CN113007166B - Multipurpose integrated hydraulic functional valve bank - Google Patents
Multipurpose integrated hydraulic functional valve bank Download PDFInfo
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- CN113007166B CN113007166B CN202110355300.1A CN202110355300A CN113007166B CN 113007166 B CN113007166 B CN 113007166B CN 202110355300 A CN202110355300 A CN 202110355300A CN 113007166 B CN113007166 B CN 113007166B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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Abstract
The invention relates to the technical field of hydraulic systems of fully mechanized coal mining face transportation equipment, in particular to a multipurpose integrated hydraulic functional valve bank. The utility model provides a multipurpose integrated form hydraulic function valves, includes that the main valve joins in marriage liquid piece, embedded tight chain motor function valve piece, embedded flexible tail function valve piece, embedded lubricating arrangement function valve piece and embedded cooling water system function valve piece, each function valve piece from left to right imbeds in proper order on the main valve joins in marriage the liquid piece, main valve joins in marriage liquid piece left side and is equipped with high-pressure inlet, high-pressure liquid return mouth and high-pressure drainage mouth, and the right side is equipped with the cooling water inlet, cooling water liquid return mouth and cooling water drainage mouth, and the main valve is joined in marriage liquid piece upper surface and is provided with the electromagnetic pilot valve of four group end-face connections to the action is carried out to the function valve piece that the drive corresponds, and the main valve is joined in marriage the inside connecting line that is provided with of liquid piece. The hydraulic control system is ingenious in design and reasonable in structure, and can effectively solve the problem that a plurality of hydraulic pipelines are complicated in the underground working environment of a coal mine.
Description
Technical Field
The invention relates to the technical field of hydraulic systems of fully mechanized coal mining face transportation equipment, in particular to a multipurpose integrated hydraulic functional valve bank.
Background
The scraper conveyor is one of the main devices of the fully mechanized mining face. Generally, a scraper conveyor realizes startup chain tightening and shutdown chain loosening through the action of a telescopic tail so as to ensure normal engagement or disengagement of a scraper chain and a chain wheel and play a role in protecting the chain; the lubricating device plays a role in lubricating the bearing assembly; in the working process, the cooling system of the conveying equipment can effectively reduce the temperature of the motor and the speed reducer and ensure the reliable and safe working of the transmission device; in the processes of chain cutting and chain connecting, the conveyor can realize chain connecting through a hydraulic chain tightening system.
In the traditional method, the functions of the telescopic tail, the hydraulic chain tensioning system and the lubricating device are realized by hydraulic control systems arranged at different positions, the control of a cooling system is realized by an electric ball valve, and the four hydraulic control systems are arranged and dispersed, so that liquid inlet and return pipelines and control pipelines are more and complicated, and the field arrangement is disordered. In the working environment of the underground coal mine, the hydraulic pipelines are multiple and complicated, so that the hydraulic control system has multiple fault hidden dangers and certain difficulty in troubleshooting.
At present, the underground coal mine in China mainly adopts a hydraulic control function valve group with different functions in a distributed mode.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a multipurpose integrated hydraulic functional valve bank, which integrates a multipurpose functional valve block into a whole to realize centralized management and control of liquid supply and cooling, and adopts the technical scheme that:
the utility model provides a multipurpose integrated form hydraulic pressure function valves, includes that the main valve joins in marriage liquid piece, embedded tight chain motor function valve piece, embedded flexible tail function valve piece, embedded lubricating arrangement function valve piece and embedded cooling water system function valve piece, each function valve piece from left to right imbeds in proper order on the main valve joins in marriage liquid piece, main valve joins in marriage liquid piece left side and is equipped with high-pressure inlet, high-pressure liquid return mouth and high-pressure drain mouth, and the right side is equipped with cooling water inlet, cooling water liquid return mouth and cooling water drain mouth, and main valve joins in marriage liquid piece upper surface and is provided with the electromagnetic pilot valve of four group end face connections to the action is carried out to the function valve piece that the drive corresponds, and the main valve joins in marriage the inside connecting tube who is provided with of liquid piece.
The left high-pressure inlet of liquid piece, high-pressure liquid return port and high-pressure liquid leakage mouth are joined in marriage to the main valve and correspond respectively and are connected with high-pressure liquid inlet channel, high-pressure liquid return channel and high-pressure liquid leakage passageway, high-pressure liquid inlet channel, high-pressure liquid return channel and high-pressure liquid leakage passageway parallel arrangement and extend to embedded lubricating arrangement function valve block department always, embedded tight chain motor function valve block, embedded flexible tail function valve block, embedded lubricating arrangement function valve block all are connected to high-pressure liquid inlet channel, high-pressure liquid return channel and high-pressure liquid leakage passageway respectively with parallelly connected mode through the branch pipeline. High-pressure liquid enters the left high-pressure liquid inlet, returns from the high-pressure liquid return port and is discharged from the high-pressure liquid discharge port.
The cooling water inlet, the cooling water return port and the cooling water drain port on the right side of the main valve liquid distribution block are respectively and correspondingly connected with a cooling water inlet channel, a cooling water return channel and a cooling water drain channel, the cooling water inlet channel, the cooling water return channel and the cooling water drain channel are arranged in parallel and connected to the embedded cooling water system function valve block, only the embedded cooling water system function valve block is supplied with liquid, cooling water enters from the cooling water inlet on the right side, and the liquid returns from the cooling water return port; and liquid is discharged from the cooling water liquid discharge port, so that the overpressure liquid discharge action of the cooling system is realized.
A liquid inlet channel, a liquid return channel and a liquid discharge channel are respectively arranged in the space of each embedded function valve block, and the liquid inlet channel, the liquid return channel and the liquid discharge channel of each embedded chain tightening motor function valve block, each embedded telescopic tail function valve block and each embedded lubricating device function valve block are respectively communicated to the high-pressure liquid inlet channel, the high-pressure liquid return channel and the high-pressure liquid discharge channel; and the liquid inlet channel, the liquid return channel and the liquid discharge channel inside the embedded cooling water system function valve block are respectively and correspondingly communicated to the cooling water liquid inlet channel, the cooling water liquid return channel and the cooling water liquid discharge channel.
The upper surface of main valve liquid distribution block is provided with four work ports A, work port B, inlet and the liquid return port of connecting with end face seal, correspond with four embedded function valve blocks respectively, wherein embedded tight chain motor function valve block, embedded flexible tail function valve block, three work ports A, the work port B that three groups that embedded lubricating arrangement function valve block corresponds are connected to the corresponding kneck of above-mentioned three groups of function valve blocks, three groups of inlets communicate to high-pressure liquid inlet channel through parallelly connected mode, three groups of liquid return ports communicate to high-pressure liquid return channel through parallelly connected mode.
The working port A and the working port B are connected to the corresponding interface of the embedded cooling water system function valve block, the liquid inlet is communicated to the cooling water liquid inlet channel, and the liquid return port is communicated to the cooling water liquid return channel.
The working port A, the working port B, the liquid inlet and the liquid return port of each group correspond to one group of electromagnetic pilot valves so as to control the action of each embedded functional valve block, and the electromagnetic pilot valves are fixed on the main valve liquid distribution block through mounting holes formed in the upper surface of the main valve liquid distribution block.
The lower surface position of the main valve liquid distribution block is provided with four rectangular sunken spaces for installing the embedded functional valve blocks according to the external dimensions of the embedded functional valve blocks.
The embedded chain tightening motor function valve block, the embedded telescopic tail function valve block and the embedded lubricating device function valve block are driven to move by high-pressure liquid, and the embedded cooling water system function valve block is driven to move by cooling water.
The upper surface of main valve liquid distribution block is equipped with 3 sensor interfaces, corresponds the top of installing in embedded flexible tail function valve piece, embedded lubricating arrangement function valve piece and embedded cooling water system function valve piece respectively, and the passageway of sensor interface extends to the inlet channel pipeline of embedded flexible tail function valve piece, embedded lubricating arrangement function valve piece and embedded cooling water system function valve piece, is convenient for real-time supervision inlet pipeline's pressure or flow.
The upper surface of the main valve liquid distribution block is also provided with four pressure regulating terminals which are respectively installed and fixed above each functional valve block, and the pipeline of each pressure regulating terminal directly extends to the liquid inlet channel of each functional valve block so as to adjust the pressure of the pipeline.
The embedded chain tightening motor function valve block, the embedded telescopic tail function valve block, the embedded lubricating device function valve block and the embedded cooling water system function valve block are respectively independent modules and embedded into the main valve liquid distribution block, so that the maintenance and the replacement are convenient; and an external equipment connecting interface connected with external equipment or a pipeline is arranged below each module.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a multipurpose integrated hydraulic functional valve bank, which is characterized in that a plurality of functional valve banks are embedded into a main valve liquid distribution block in an embedded mode, so that the phenomena of multiple liquid inlet and return pipelines and control pipelines in a coal mine underground site and disordered site arrangement are avoided, and the difficulty of troubleshooting of a hydraulic control system is reduced.
2. The left three functional valves are connected in parallel to realize the centralized arrangement of the high-pressure liquid inlet-return channel and the liquid discharge channel, and the right functional valve is driven by cooling water independently, so that the centralized control, management and monitoring of various hydraulic pressures are realized, the mutual influence is avoided, the structure is reasonable, and the installation is simple and convenient.
3. The pressure regulating device is provided with the pressure regulating terminal and the sensor, is used for regulating the pressure of the pipeline, ensures the safety of the pipeline, monitors the pressure or the flow of the liquid inlet pipeline in real time and the like, and is stable and reliable.
In conclusion, the hydraulic control system is ingenious in design and reasonable in structure, can effectively solve the problem that a plurality of hydraulic pipelines are complicated in the underground working environment of a coal mine, is convenient for eliminating a plurality of hidden troubles of faults, and has remarkable popularization and application significance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a bottom view of the overall structure of the present invention;
FIG. 4 is a top view of the main valve dispensing block of the present invention;
FIG. 5 is a left side view of the main valve dispensing block of the present invention;
FIG. 6 is a right side view of the main valve dispensing block of the present invention;
FIG. 7 is a bottom view of the main valve dispensing block of the present invention;
FIG. 8 is a view of the mounting plate of the present invention;
FIG. 9 is a hydraulic control schematic of the present invention;
in the figure: the hydraulic schematic diagram part is characterized in that the hydraulic schematic diagram part is composed of a high-pressure liquid inlet 1, a high-pressure liquid return port 2, a cooling water inlet 3, a cooling water liquid return port 4, an electromagnetic pilot valve 5, a high-pressure liquid discharge port 6, a cooling water liquid discharge port 7, a main valve liquid distribution block 8, an embedded chain tightening motor function valve block 9, an embedded telescopic tail function valve block 10, an embedded lubricating device function valve block 11, an embedded cooling water system function valve block 12, an external equipment connecting port 13, a sensor interface 14, a pressure regulating terminal 15, a working port A16B, a working port B17 a, a liquid inlet 17B, a liquid return port 17, a rectangular groove I18, a rectangular groove II 19, a rectangular groove III 20, a rectangular groove IV 21, a rectangular groove IV 22, a hydraulic schematic diagram part of the embedded chain tightening motor function valve block 23, a hydraulic schematic diagram part of the embedded telescopic tail function valve block 24, a hydraulic schematic diagram part of the lubricating device function valve block 25, a cooling water system function valve block 25, a hydraulic schematic diagram part of the embedded chain tightening motor function valve block 26, an electromagnetic chain tightening motor function valve block mounting hole 27, an electromagnetic pilot valve block mounting function base plate B, and a base plate mounting function block c.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the invention provides a multipurpose integrated hydraulic functional valve group, which comprises a main valve liquid distribution block 8, an embedded chain-tightening motor functional valve block 9, an embedded telescopic tail functional valve block 10, an embedded lubricating device functional valve block 11 and an embedded cooling water system functional valve block 12, wherein each functional valve block is sequentially embedded into the main valve liquid distribution block 8 from left to right in an embedded manner, the left side of the main valve liquid distribution block 8 is provided with a high-pressure liquid inlet 1, a high-pressure liquid return port 2 and a high-pressure liquid discharge port 6, the right side of the main valve liquid distribution block is provided with a cooling water liquid inlet 3, a cooling water liquid return port 4 and a cooling water liquid discharge port 7, the upper surface of the main valve liquid distribution block 8 is provided with four groups of electromagnetic pilot valves 5 connected by end faces to drive the corresponding functional valve blocks to act, and corresponding connecting pipelines are arranged inside the main valve liquid distribution block 8.
The left high-pressure inlet 1 of the main valve liquid distribution block 8, the high-pressure liquid return port 2 and the high-pressure liquid discharge port 6 are respectively connected with a high-pressure liquid inlet channel, a high-pressure liquid return channel and a high-pressure liquid discharge channel in a corresponding mode, the high-pressure liquid inlet channel, the high-pressure liquid return channel and the high-pressure liquid discharge channel are arranged in parallel and extend to the embedded lubricating device function valve block 11, and the embedded chain tightening motor function valve block 9, the embedded telescopic tail function valve block 10 and the embedded lubricating device function valve block 11 are respectively connected with the high-pressure liquid inlet channel, the high-pressure liquid return channel and the high-pressure liquid discharge channel in a parallel mode through branch pipelines. High-pressure liquid enters from the left high-pressure liquid inlet 1, returns from the high-pressure liquid return port 2 and is discharged from the high-pressure liquid discharge port 6.
The cooling water inlet 3, the cooling water return port 4 and the cooling water drain port 7 on the right side of the main valve liquid distribution block 8 are respectively and correspondingly connected with a cooling water inlet channel, a cooling water return channel and a cooling water drain channel, the cooling water inlet channel, the cooling water return channel and the cooling water drain channel are arranged in parallel and connected to the embedded cooling water system function valve block 12, only the embedded cooling water system function valve block 12 is supplied with liquid, cooling water enters from the cooling water inlet 1 on the right side and returns from the cooling water return port 2; and liquid is discharged from the cooling water liquid discharge port 7, so that the overpressure liquid discharge action of the cooling system is realized.
A liquid inlet channel, a liquid return channel and a liquid discharge channel are respectively arranged in the space of each embedded functional valve block, and the liquid inlet channel, the liquid return channel and the liquid discharge channel of each embedded chain tightening motor functional valve block 9, each embedded telescopic tail functional valve block 10 and each embedded lubricating device functional valve block 11 are respectively communicated to the high-pressure liquid inlet channel, the high-pressure liquid return channel and the high-pressure liquid discharge channel; the liquid inlet channel, the liquid return channel and the liquid discharge channel inside the embedded cooling water system function valve block 12 are respectively and correspondingly communicated to the cooling water liquid inlet channel, the cooling water liquid return channel and the cooling water liquid discharge channel.
The upper surface of the main valve liquid distribution block 8 is provided with four groups of working ports A16a, working ports B16B, liquid inlets 17a and liquid return ports 17B which are connected in an end surface sealing mode and respectively correspond to four embedded function valve blocks, wherein three groups of working ports A16a and working ports B16B corresponding to the embedded chain motor function valve block 9, the embedded telescopic tail function valve block 10 and the embedded lubricating device function valve block 11 are connected to corresponding interfaces of the three groups of function valve blocks, the three groups of liquid inlets 17a are communicated to a high-pressure liquid inlet channel in a parallel connection mode, and the three groups of liquid return ports 17B are communicated to the high-pressure liquid return channel in a parallel connection mode.
The embedded cooling water system function valve block 12 corresponds to a group of working ports A16a, B16B, a liquid inlet 17a and a liquid return port 17B, wherein the working ports A16a and B16B are connected to corresponding ports of the embedded cooling water system function valve block 12, the liquid inlet 17a is communicated with a cooling water inlet channel, and the liquid return port 17B is communicated with a cooling water return channel.
The working port a16a, the working port B16B, the liquid inlet 17a and the liquid return port 17B of each group correspond to a group of electromagnetic pilot valves 5 to control the operation of each embedded function valve block, and the electromagnetic pilot valves 5 are fixed on the main valve liquid distribution block 8 through mounting holes 26 formed in the upper surface of the main valve liquid distribution block 8.
The lower surface position of the main valve liquid distribution block 8 is provided with four rectangular concave spaces for installing each embedded functional valve block according to the external dimension of each embedded functional valve block.
The embedded chain tightening motor function valve block 9, the embedded telescopic tail function valve block 10 and the embedded lubricating device function valve block 11 are driven to move by high-pressure liquid, and the embedded cooling water system function valve block 12 is driven to move by cooling water.
The upper surface of the main valve liquid distribution block 8 is provided with 3 sensor interfaces 14 which are respectively and correspondingly arranged above the embedded telescopic tail function valve block 10, the embedded lubricating device function valve block 11 and the embedded cooling water system function valve block 12, and the channels of the sensor interfaces 14 extend to the inlet channel pipelines of the embedded telescopic tail function valve block 10, the embedded lubricating device function valve block 11 and the embedded cooling water system function valve block 12, so that the pressure or the flow of the inlet pipeline can be monitored in real time conveniently.
Four pressure regulating terminals 15 are further mounted on the upper surface of the main valve liquid distribution block 1 and are respectively mounted and fixed above each functional valve block, and pipelines of the pressure regulating terminals 15 directly extend to liquid inlet channels of the functional valve blocks so as to adjust the pressure of the pipelines.
The embedded chain tightening motor function valve block 9, the embedded telescopic tail function valve block 10, the embedded lubricating device function valve block 11 and the embedded cooling water system function valve block 12 are independent modules respectively and embedded into the main valve liquid distribution block 8, so that the maintenance and the replacement are convenient; and an external equipment connecting interface 13 connected with external equipment or pipelines is arranged below each module.
The invention relates to the following principle:
as shown in fig. 1 to 3, the present invention provides a multipurpose integrated hydraulic functional valve set, which includes an electromagnetic pilot valve 5, a main valve liquid distribution block 8, an embedded chain motor functional valve block 9, an embedded telescopic tail functional valve block 10, an embedded lubrication device functional valve block 11, and an embedded cooling water system functional valve block 12. The left side of the multipurpose integrated hydraulic functional valve bank is integrated with a high-pressure liquid inlet 1, a high-pressure liquid return port 2 and a high-pressure liquid discharge port 6; a cooling water inlet 3, a cooling water return port 4 and a cooling water drain port 7 are integrated on the right side of the multipurpose integrated hydraulic function valve bank; the upper side of the multipurpose integrated hydraulic functional valve bank is integrated with 4 pressure regulating terminals 5 and 3 sensor interfaces, and 4 electromagnetic pilot valves can be integrally installed; the lower side of the multipurpose integrated hydraulic functional valve group is provided with embedded installation positions of an embedded chain tightening motor functional valve block 9, an embedded telescopic tail functional valve block 10, an embedded lubricating device functional valve block 11 and an embedded cooling water system functional valve block 12, and is provided with an external equipment connecting interface 13.
Furthermore, liquid inlet and return pipelines and liquid discharge pipelines arranged on the main valve liquid distribution block 8 are grouped, the left side is driven by high-pressure emulsion, and the right side is driven by cooling water. The left side of the embedded lubricating device is arranged according to positions, a high-pressure liquid inlet 1 and a high-pressure liquid return port 2 are respectively arranged at the upper left position and the upper right position of the left side, and two hydraulic oil channels are arranged in parallel and side by side and extend from the left side to the position of a functional valve block 11 of the embedded lubricating device; the left lower middle position is a high-pressure liquid discharge port 6 which is arranged in parallel with the high-pressure liquid inlet and return pipeline and also extends from the left to the position of the embedded lubricating device function valve block 11. The right side is arranged according to the position, the upper left position on the right side and the upper right position on the left side are respectively a cooling water inlet 3 and a cooling water return port 4, and the two cooling water channels are arranged in parallel and side by side and extend from the right side to the position of a functional valve block 12 of the embedded cooling water system; the lower middle position of the right side is a cooling water drainage port 7 which is arranged in parallel with a cooling water inlet and return pipeline and also extends from the right side to the position of an embedded cooling water system function valve block 12.
Further, in view of the difference of the driving modes of the functional valve blocks, the arrangement sequence of the functional valve blocks on the lower surface of the main valve liquid distribution block 8 from left to right is as follows: the system comprises an embedded chain tightening motor function valve block 9, an embedded telescopic tail function valve block 10, an embedded lubricating device function valve block 11 and an embedded cooling water system function valve block 12, wherein the first three are high-pressure liquid function valve blocks, and the latter one is a cooling water function valve block. The in-line installation of the functional valve blocks must be performed in strict functional order.
Further, after each function valve block is installed in place, the high-pressure liquid inlet and return pipeline and the liquid discharge pipeline of the embedded tight-chain motor function valve block 9, the high-pressure liquid inlet and return pipeline and the liquid discharge pipeline of the embedded telescopic tail function valve block 10, and the high-pressure liquid inlet and return pipeline and the liquid discharge pipeline of the embedded lubricating device function valve block 11 are respectively communicated with the high-pressure liquid inlet pipeline, the high-pressure liquid return pipeline and the high-pressure liquid discharge pipeline in a parallel mode, and the high-pressure liquid inlet 1, the high-pressure liquid return port 2 and the high-pressure liquid discharge port 6 complete the supply circulation of the high-pressure liquid and the safety protection of the pipeline pressure. The cooling water inlet and return pipelines and the drain pipelines of the embedded cooling water system function valve block 12 are respectively communicated with the cooling water inlet pipeline, the cooling water return pipeline and the cooling water drain pipeline, and the cooling water inlet 3, the cooling water return port 4 and the cooling water drain port 7 are used for completing the supply and circulation of cooling water and the safety protection of pipeline pressure.
Furthermore, the upper surface of the main valve liquid distribution block 8 is provided with four groups of working ports A, B and liquid inlet and return ports which are arranged in a square shape and connected in an end face sealing mode. The left and right interfaces of each group of connecting interfaces are a working port A and a working port B, directly extend to each functional valve block and are connected with the working ports A, B of each functional valve block; the upper and lower interfaces extend to a high-pressure liquid inlet channel and a high-pressure liquid return channel (or a cooling water inlet channel and a cooling water return channel) respectively.
Furthermore, the main valve liquid distribution block 8 upper surface still is provided with 4 pressure regulating terminals 15, and the pipeline of pressure regulating terminal 15 directly extends to the feed liquor pipeline of each function valve block for adjust the pressure of its pipeline, in order to guarantee the safety of pipeline.
Furthermore, the upper surface of the main valve liquid distribution block is also provided with 3 sensor installation interfaces, and a sensor interface channel directly extends to the liquid inlet pipelines of the embedded telescopic tail function valve block 10, the embedded lubricating device function valve block 11 and the embedded cooling water system function valve block 12, so that the pressure or the flow of the liquid inlet pipelines can be monitored in real time conveniently.
The electromagnetic pilot valve 5 can be connected with the main valve liquid distribution block 8 in a connection mode of end face sealing.
Further, the multipurpose integrated hydraulic function valve set feeds liquid through the liquid inlet, a small part of driving liquid enters the electromagnetic pilot valve 5 through the liquid inlet and return ports connected with the end face, and the action mode of each embedded function valve block is determined by the electromagnetic pilot valve 5; most of the driving liquid enters each functional valve block to participate in corresponding actions so as to drive external equipment to work.
Fig. 4 to 7 are structural views of the main valve liquid distribution block. The main valve liquid distribution block 8 is used for distributing liquid for each embedded functional valve block, and ensures that driving liquid in the liquid inlet pipeline enters the corresponding embedded functional valve block when the main valve liquid distribution block works. The upper surface of the main valve liquid distribution block 8 is provided with four groups of working ports A, B and liquid inlet and return ports which are connected in a four-way mode in an end face sealing mode. The left and right interfaces of each group of connecting interfaces are working ports A, B, directly extend to the positions of the functional valve blocks and are connected with the working ports A, B of the functional valve blocks; the upper and lower interfaces extend to a high-pressure liquid inlet channel and a high-pressure liquid return channel (or a cooling water inlet channel and a cooling water return channel) respectively. Four concave rectangular grooves are sequentially arranged on the lower surface of the main valve liquid distribution block 8, wherein the rectangular groove I18 is used for embedding the embedded chain tightening motor function valve block 9; the rectangular groove II 19 is used for embedding the embedded telescopic tail function valve block 10; the rectangular groove III 20 is used for embedding the embedded type lubricating device function valve block 11; the rectangular groove IV 21 is used for embedding the embedded type cooling water system function valve block 12; the left side surface of the main valve liquid distribution block 8 is provided with a high-pressure liquid inlet 1, a high-pressure liquid return port 2 and a high-pressure liquid discharge port 7; the right side surface of the main valve liquid distribution block 8 is provided with a cooling water inlet 3, a cooling water return port 4 and a cooling water drain port 7.
Fig. 8 shows the installation bottom plate of each in-line functional valve block, and the periphery of each in-line functional valve block is provided with an annular groove 27 around for placing an O-ring to ensure the sealing performance between the main valve fluid distribution block 8 and the installation bottom plate of each in-line functional valve block, and after the installation bottom plate of each in-line functional valve block is embedded into the main valve fluid distribution block 8, the installation bottom plate is fixed by 2M 5 x 10 screws.
The embedded chain tightening motor function valve block mounting base plate a is a base plate used for integrally mounting a hydraulic element for realizing the action of a chain tightening motor, and the hydraulic element on the base plate is reasonably arranged according to a hydraulic schematic diagram part 22 of the embedded chain tightening motor function valve block and is embedded into a rectangular groove I18 of a main valve liquid distribution block 8; after the installation and arrangement are finished, the built-in chain tightening motor function valve block 9 is arranged, and working ports A and B of the built-in chain tightening motor function valve block are communicated with a first group of working ports A16a and a first group of working ports B16B of a main valve liquid distribution block 8 respectively; the liquid inlet, the liquid return port and the liquid discharge port of the embedded chain tightening motor function valve block 9 are respectively communicated with the high-pressure liquid inlet 1, the high-pressure liquid return port 2 and the high-pressure liquid discharge port 6, and the embedded chain tightening motor function valve block 9 is driven by hydraulic oil to complete actions.
The embedded type telescopic tail function valve block mounting base plate b is a base plate used for integrally mounting a hydraulic element for realizing telescopic tail action, and the hydraulic element on the base plate is reasonably arranged according to a hydraulic schematic diagram part 23 of the embedded type telescopic tail function valve block and is embedded into a rectangular groove II 19 of a main valve liquid distribution block 8; after the installation and arrangement are finished, the embedded telescopic tail function valve block 10 is formed, and working ports A and B of the embedded telescopic tail function valve block are communicated with a second group of working ports A16a and a second group of working ports B16B of a main valve liquid distribution block 8 respectively; the liquid inlet, the liquid return port and the liquid discharge port of the embedded telescopic tail function valve block 10 are respectively communicated with the high-pressure liquid inlet 1, the high-pressure liquid return port 2 and the high-pressure liquid discharge port 6, and the embedded telescopic tail function valve block 10 is driven by hydraulic oil to complete actions.
The installation bottom plate c of the functional valve block of the embedded lubricating device is a bottom plate for integrally installing hydraulic elements for realizing the action of the lubricating device, and the hydraulic elements on the bottom plate are reasonably arranged according to a hydraulic schematic diagram part 24 of the functional valve block of the embedded lubricating device and are embedded into the rectangular groove III 20 of the main valve liquid distribution block 8; after the installation and arrangement are finished, the in-line lubricating device function valve block 11 is formed, and working ports A and B of the in-line lubricating device function valve block are communicated with a third group of working ports A16a and a third group of working ports B16B of the main valve liquid distribution block 8 respectively; the liquid inlet, the liquid return port and the liquid discharge port of the embedded lubricating device function valve block 11 are respectively communicated with the high-pressure liquid inlet 1, the high-pressure liquid return port 2 and the high-pressure liquid discharge port 6, and the embedded lubricating device function valve block 11 is driven by hydraulic oil to complete actions.
The mounting bottom plate d of the embedded cooling water system function valve block is used for integrally mounting a hydraulic element for realizing the action of the cooling system, and the hydraulic element on the bottom plate is reasonably arranged according to a hydraulic schematic diagram part 25 of the embedded cooling water system function valve block and is embedded into the rectangular groove IV 21 of the main valve liquid distribution block 8; after the installation and arrangement are finished, the in-line cooling water system function valve block 12 is formed, and working ports A and B of the in-line cooling water system function valve block are communicated with a first group of working ports A16a and a first group of working ports B16B which are arranged on the right side of the main valve liquid distribution block 8 respectively; the liquid inlet, the liquid return port and the liquid discharge port of the embedded cooling water system function valve block 12 are respectively communicated with the cooling water liquid inlet 3, the cooling water liquid return port 4 and the cooling water liquid discharge port 7, and the embedded cooling water system function valve block 12 is driven by hydraulic oil to complete actions.
Fig. 9 is a schematic diagram of the multipurpose integrated hydraulic functional valve set, which collectively and accurately describes that the electromagnetic pilot valve 5, the main valve liquid distribution block 8, the embedded chain tightening motor functional valve block 9, the embedded telescopic tail functional valve block 10, the embedded lubricating device functional valve block 11 and the embedded cooling water system functional valve block 12 are integrally installed, and the arrangement of hydraulic components and the connection therebetween are integrated. The functions of the embedded chain tightening motor function valve block 9, the embedded chain tightening motor function valve block 10, the embedded lubrication device function valve block 11 and the embedded cooling water system function valve block 12 can be realized by connecting hydraulic devices according to the hydraulic principle as described above, because 22 is the hydraulic principle diagram of the embedded chain tightening motor function valve block, 23 is the hydraulic principle diagram of the embedded telescopic tail function valve block, 24 is the hydraulic principle diagram of the embedded lubrication device function valve block, and 25 is the hydraulic principle diagram of the embedded cooling water system function valve block.
In conclusion, the multipurpose integrated hydraulic functional valve bank enables control and monitoring of various hydraulic pressures of conveying equipment to be more centralized, reduces the number of underground on-site hydraulic pipelines, effectively avoids the phenomena that the underground on-site liquid inlet and return pipelines and the control pipelines are more and complicated and the on-site arrangement is disordered, enables the on-site hydraulic control system to be more convenient to check and troubleshoot, and effectively improves adaptability to underground on-site space of a coal mine.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (8)
1. The utility model provides a multipurpose integrated form hydraulic function valves which characterized in that: the system comprises a main valve liquid distribution block (8), an embedded chain-tightening motor function valve block (9), an embedded telescopic tail function valve block (10), an embedded lubricating device function valve block (11) and an embedded cooling water system function valve block (12), wherein each function valve block is sequentially embedded into the main valve liquid distribution block (8) from left to right in an embedded mode, the left side of the main valve liquid distribution block (8) is provided with a high-pressure liquid inlet (1), a high-pressure liquid return port (2) and a high-pressure liquid discharge port (6), the right side of the main valve liquid distribution block is provided with a cooling water inlet (3), a cooling water liquid return port (4) and a cooling water liquid discharge port (7), the upper surface of the main valve liquid distribution block (8) is provided with four groups of electromagnetic pilot valves (5) which are connected with end faces so as to drive the corresponding function valve blocks to execute actions, and corresponding connecting pipelines are arranged inside the main valve liquid distribution block (8);
the high-pressure liquid inlet (1), the high-pressure liquid return port (2) and the high-pressure liquid discharge port (6) on the left side of the main valve liquid distribution block (8) are correspondingly connected with a high-pressure liquid inlet channel, a high-pressure liquid return channel and a high-pressure liquid discharge channel respectively, the high-pressure liquid inlet channel, the high-pressure liquid return channel and the high-pressure liquid discharge channel are arranged in parallel and extend to the embedded lubricating device function valve block (11), the embedded chain tightening motor function valve block (9), the embedded telescopic tail function valve block (10) and the embedded lubricating device function valve block (11) are connected to the high-pressure liquid inlet channel, the high-pressure liquid return channel and the high-pressure liquid discharge channel respectively in a parallel mode through branch pipelines, high-pressure liquid is fed from the high-pressure liquid inlet (1) on the left side, returns from the high-pressure liquid return port (2), and is discharged from the high-pressure liquid discharge port (6);
the cooling water inlet (3), the cooling water return channel (4) and the cooling water drain port (7) on the right side of the main valve liquid distribution block (8) are respectively and correspondingly connected with a cooling water inlet channel, a cooling water return channel and a cooling water drain channel, the cooling water inlet channel, the cooling water return channel and the cooling water drain channel are arranged in parallel and connected to the embedded cooling water system function valve block (12) and only supply liquid for the embedded cooling water system function valve block (12), cooling water enters the liquid from the cooling water inlet (3) on the right side, returns the liquid from the cooling water return port (4), drains the liquid from the cooling water drain port (7), and overpressure liquid draining action of the cooling system is realized;
the embedded chain tightening motor function valve block (9), the embedded telescopic tail function valve block (10), the embedded lubricating device function valve block (11) and the embedded cooling water system function valve block (12) are independent modules respectively and embedded into the main valve liquid distribution block (8), so that the maintenance and the replacement are convenient; and an external equipment connecting interface (13) connected with external equipment or pipelines is arranged below each module.
2. A multi-purpose integrated hydraulic function valve block as claimed in claim 1, wherein: a liquid inlet channel, a liquid return channel and a liquid discharge channel are respectively arranged in the space of each embedded function valve block, and the liquid inlet channel, the liquid return channel and the liquid discharge channel of each embedded chain tightening motor function valve block (9), each embedded telescopic tail function valve block (10) and each embedded lubricating device function valve block (11) are respectively communicated to the high-pressure liquid inlet channel, the high-pressure liquid return channel and the high-pressure liquid discharge channel; and a liquid inlet channel, a liquid return channel and a liquid discharge channel inside the embedded cooling water system function valve block (12) are respectively and correspondingly communicated to the cooling water liquid inlet channel, the cooling water liquid return channel and the cooling water liquid discharge channel.
3. A multi-purpose integrated hydraulic function valve block as claimed in claim 1, wherein: the upper surface of the main valve liquid distribution block (8) is provided with four groups of working ports A (16 a), working ports B (16B), liquid inlets (17 a) and liquid return ports (17B) which are connected in an end surface sealing mode and respectively correspond to the four embedded function valve blocks, wherein three groups of working ports A (16 a) and working ports B (16B) corresponding to the embedded chain tightening motor function valve block (9), the embedded telescopic tail function valve block (10) and the embedded lubricating device function valve block (11) are connected to corresponding interface parts of the three function valve blocks, the three groups of liquid inlets (17 a) are communicated to a high-pressure liquid inlet channel in a parallel connection mode, and the three groups of liquid return ports (17B) are communicated to the high-pressure liquid return channel in a parallel connection mode;
the embedded cooling water system function valve block comprises a group of working ports A (16 a), a group of working ports B (16B), a group of liquid inlet ports (17 a) and a group of liquid return ports (17B), wherein the working ports A (16 a) and the working ports B (16B) correspond to the embedded cooling water system function valve block (12), the working ports A (16 a) and the working ports B (16B) are connected to corresponding interfaces of the embedded cooling water system function valve block (12), the liquid inlet ports (17 a) are communicated to a cooling water liquid inlet channel, and the liquid return ports (17B) are communicated to a cooling water liquid return channel.
4. A multi-purpose integrated hydraulic function valve block as claimed in claim 3, wherein: the working port A (16 a), the working port B (16B), the liquid inlet (17 a) and the liquid return port (17B) of each group correspond to one group of electromagnetic pilot valves (5) so as to control the action of each embedded functional valve block, and the electromagnetic pilot valves (5) are fixed on the main valve liquid distribution block (8) through mounting holes (26) formed in the upper surface of the main valve liquid distribution block (8).
5. A multi-purpose integrated hydraulic function valve block as claimed in claim 1, wherein: the lower surface position of the main valve liquid distribution block (8) is provided with four rectangular sunken spaces for installing each embedded functional valve block according to the external dimension of each embedded functional valve block.
6. A multi-purpose integrated hydraulic function valve block as claimed in claim 1, wherein: the embedded chain tightening motor function valve block (9), the embedded telescopic tail function valve block (10) and the embedded lubricating device function valve block (11) are driven to move by high-pressure liquid, and the embedded cooling water system function valve block (12) is driven to move by cooling water.
7. A multi-purpose integrated hydraulic function valve block as claimed in claim 2, wherein: the upper surface of main valve liquid distribution block (8) is equipped with 3 sensor interface (14), corresponds the top of installing in embedded flexible tail function valve block (10), embedded lubricating arrangement function valve block (11) and embedded cooling water system function valve block (12) respectively, and the passageway of sensor interface (14) extends to the inlet channel pipeline of embedded flexible tail function valve block (10), embedded lubricating arrangement function valve block (11) and embedded cooling water system function valve block (12), is convenient for real-time supervision inlet pipeline's pressure or flow.
8. A multi-purpose integrated hydraulic function valve block as claimed in claim 2, wherein: four pressure regulating terminals (15) are further mounted on the upper surface of the main valve liquid distribution block (8), and are respectively mounted and fixed above each functional valve block, and pipelines of the pressure regulating terminals (15) directly extend to liquid inlet channels of the functional valve blocks so as to adjust the pressure of the pipelines.
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| CN212106419U (en) * | 2020-03-27 | 2020-12-08 | 陕西朗浩传动技术有限公司 | Electro-hydraulic tight chain control valve group for scraper conveyor |
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| US6505645B1 (en) * | 2001-10-08 | 2003-01-14 | Husco International, Inc. | Multiple hydraulic valve assembly with a monolithic block |
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| CN113007166A (en) | 2021-06-22 |
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