CN105041947A - Working method of two stages of buffers controlled by processor module - Google Patents
Working method of two stages of buffers controlled by processor module Download PDFInfo
- Publication number
- CN105041947A CN105041947A CN201510428940.5A CN201510428940A CN105041947A CN 105041947 A CN105041947 A CN 105041947A CN 201510428940 A CN201510428940 A CN 201510428940A CN 105041947 A CN105041947 A CN 105041947A
- Authority
- CN
- China
- Prior art keywords
- piston
- buffer
- piston body
- stage buffer
- medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/22—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger
- F16F9/26—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger with two cylinders in line and with the two pistons or plungers connected together
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3292—Sensor arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
The invention relates to a working method of two stages of buffers controlled by a processor module. The two stages of buffers include the head-stage buffer and the tail-stage buffer. The head-stage buffer and the tail-stage buffer each comprise a cylindrical cylinder body where a buffer medium is filled, wherein a cylinder cover is arranged at the opening end of the cylinder body and seals an opening, a central through hole extending axially is formed in the central axis position of the cylinder cover, a piston rod penetrates through the central through hole, and a piston body assembly is arranged at the top end of the piston rod, is suitable for conducting piston motions in the cylinder body and is in movable sealing fit with the inner wall of the cylinder body. The cylinder body of the head-stage buffer forms the piston rod of the tail-stage buffer. A pressure sensor for detecting medium pressure is arranged on the right end face of the piston body assembly of the head-stage buffer. When the piston body assembly of each buffer is suitable for conducting piston motions, according to the medium pressure detected by the pressure sensor, the medium reciprocating flow in the corresponding cylinder is adjusted, and the movement speed of the corresponding piston is controlled.
Description
Technical field
The present invention relates to a kind of method of work of buffer, particularly relating to a kind of take elastic gel as the method for work of the buffer of buffer medium.
Background technique
In bumper and absorbing shock field, buffer uses very extensive, and its Main Function absorbs various impact energy, proterctive equipment and reduction noise etc.
Grant number CN202149175 discloses a kind of buffer, and it is two-stage buffer, different with initial minimum force F2cmin by the medium maximum, force F1max in chopped-off head buffer, secondary buffer, to control the sequence of operation of chopped-off head buffer, secondary buffer; And mention in the description, set the capacity of whole buffer according to impact energy, but, in practical work, because impact energy can not be constant, likely there will be change, so rely on medium difference to realize the job order of buffer at different levels, be difficult in practice realize.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of work of two-stage buffer, and the method for work of this two-stage buffer avoids the change due to impact energy, and relies on the difference of medium, is difficult to the technical problem limiting buffer operative at different levels order.
The invention provides a kind of method of work of two-stage buffer, described two-stage buffer comprises: chopped-off head buffer, final stage buffer; Described chopped-off head buffer, final stage buffer comprise respectively: cylindrical cylinder body, cylinder cap is provided with in the opening end sealing of this cylinder body, in the central through bore of described cylinder cap, air-tight movable is combined with a piston rod, the right-hand member of this piston rod is provided with piston body assembly, this piston body assembly is suitable for making piston movement in described cylinder body, and coordinates with the inwall movable sealing of described cylinder body; Wherein, the cylinder body of described chopped-off head buffer forms the piston rod of described final stage buffer; The right side of the piston body assembly of described chopped-off head buffer is provided with the pressure transducer for detecting pressure medium, and this pressure transducer is connected with a processor module.
The method of work of described two-stage buffer comprises:
The piston body assembly of buffer at different levels is suitable for when making piston movement, the pressure medium that described processor module detects according to described pressure transducer, regulates medium in corresponding cylinder body toward regurgitation volume, with the speed of control piston motion.
Further, described piston body assembly comprises: described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, this left and right piston body is arranged with several through holes for medium axial flow, being sealed and matched between the adjacent face of left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole on described left and right piston body; The cavity for placing motor is provided with in described left piston body, this motor is controlled by described processor module, its rotor is connected to described right piston body, rotate for driving this right piston body according to pressure medium, to control the relative position relation of each through hole on left and right piston body, and then control media flow, i.e. control piston movement velocity.
Compared with prior art, tool of the present invention has the following advantages: (1) instant invention overcomes in prior art due to impact energy fluctuation, and cause multi-stage buffer cannot the technical problem of co-ordination, the present invention detects impact energy by pressure transducer, and the medium of suitable adjustment buffer at different levels is toward regurgitation volume, to control the movement velocity of each piston body assembly, make buffer co-ordination at different levels, avoid certain one-level buffer that may occur excessive because of impact energy, all the other buffers have little time compression, and cause this grade of buffer long-term work in a high voltage state, easily cause damage, (2) coordinated by each through hole in left and right piston body, to control medium in corresponding cylinder body toward regurgitation volume, thus change the shuttle speed of respective pistons, to alleviate the cavity pressure of cylinder body at different levels, extend the buffer life-span, (3) this two-stage buffer is without the need to considering that medium is different, and application place is extensive, without the need to regulating buffer operative order in addition.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
The structural representation one of Fig. 1 two-stage buffer of the present invention;
The structural representation two of Fig. 2 two-stage buffer of the present invention;
The structural representation of the piston body assembly in Fig. 3 two-stage buffer of the present invention;
The operating diagram of Fig. 4 piston body assembly of the present invention;
The control circuit block diagram of Fig. 5 two-stage buffer of the present invention.
Wherein, piston rod, the piston rod of 6-1 final stage buffer, 7 piston body assemblies, 8 urceolus, 9 pressure transducers, 7-1 left piston body, the right piston body of 7-2,7-3 through hole, 7-4 motor, the 7-5 rotor of 1 chopped-off head buffer, 2 final stage buffers, 4 cylinder bodies, 5 cylinder caps, 6 chopped-off head buffers.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Embodiment 1
See Fig. 1, Fig. 2 and Fig. 5, a kind of method of work of two-stage buffer, described two-stage buffer comprises: chopped-off head buffer 1, final stage buffer 2; Described chopped-off head buffer 1, final stage buffer 2 comprise respectively: cylindrical, and for filling the cylinder body 4 of buffer medium, cylinder cap 5 is provided with in the opening end sealing of this cylinder body 4, in the central through bore of described cylinder cap 5, air-tight movable is combined with a piston rod 6, the right-hand member of this piston rod 6 is provided with piston body assembly 7, this piston body assembly 7 is suitable for making piston movement in described cylinder body 4, and coordinates with the inwall movable sealing of described cylinder body 4; Wherein, the cylinder body 4 of described chopped-off head buffer 1 forms the piston rod 6-1 of described final stage buffer 2; The right side of the piston body assembly of described chopped-off head buffer 1 is provided with the pressure transducer 9 for detecting pressure medium, and this pressure transducer is connected with a processor module.
The method of work of described two-stage buffer comprises:
The piston body assembly 7 of buffer at different levels is suitable for when piston movement, the pressure medium that described processor module detects according to described pressure transducer 9, regulates medium in corresponding cylinder body 4 toward regurgitation volume, with the speed of control piston motion.
Urceolus 8 inside bottom (as figure, its right end face for urceolus 8) is fixed on bottom the piston rod 6 of described chopped-off head buffer 1.
See Fig. 3 and Fig. 4, described piston body assembly 7 comprises: the left and right piston body 7-2 of arranged in co-axial alignment, this left and right piston body is arranged with several through holes for medium axial flow, being sealed and matched between the adjacent face of left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole 7-3 on described left and right piston body; The cavity for placing motor 7-4 is provided with in described left piston body 7-1, this motor 7-4 is controlled by described processor module, its rotor 7-5 is connected to described right piston body 7-2, rotate for driving this right piston body 7-2 according to pressure medium, also can be understood as and coaxially deflect respective angles, to control the relative position relation of each through hole on left and right piston body, and then control media flow, i.e. control piston movement velocity.
In Fig. 4, dotted line through hole represents it is through hole 7-3 in left piston body 7-1, solid line through hole represents the through hole in right piston body 7-2, arrow represents motor 7-4 sense of rotation, and this Fig. 4 represents respective through hole docking operation on the fitting surface of left and right piston body, to control the flow in through hole.
Described right piston body 7-2 coaxially deflects relative to right piston body 7-2, its slewing area is no more than the diameter of through hole, namely motor 7-4 drives right piston body 7-2 in this diameter range according to pressure medium, do to come and go and rotate, to reach the object of control media flow, thus play the piston movement speed controlling respective pistons body assembly 7, and then alleviate pressure medium in cylinder body 4, play the object extending the buffer life-span.
The direct current generator 7-4 that described motor 7-4 can adopt precision high, or stepper motor 7-4.Power pack can adopt powered battery.Battery can be installed in left or right piston body 7-2, and pressure transducer 9 such as can adopt the gloomy P499VBS-404C in river.
See Fig. 4, if many of described through hole 7-3, its distribution can be that concentric circle distributes with left and right piston body 7-2.
In order to accurately reach control object, described processor module can adopt single-chip microcomputer, embedded control chip, the pressure signal that described pressure transducer 9 obtains, each motor 7-4 deflection angle in buffer at different levels is accurately controlled by processor module, to control piston body assembly 7 medium flow at different levels, regulate each cylinder body medium pressure.Described processor module can put into described left piston body or right piston body.Connecting line between described pressure transducer 9, motor 7-4, control chip can be placed in the cylinder wall of buffer at different levels, or is directly placed in medium.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (1)
1. a method of work for two-stage buffer, comprising:
Described two-stage buffer comprises: chopped-off head buffer and final stage buffer;
Described chopped-off head buffer, final stage buffer comprise respectively:
Cylindrical cylinder body, cylinder cap is provided with in the opening end sealing of this cylinder body, in the central through bore of described cylinder cap, air-tight movable is combined with a piston rod, the right-hand member of this piston rod is provided with piston body assembly, this piston body assembly is suitable for making piston movement in described cylinder body, and coordinates with the inwall movable sealing of described cylinder body; Wherein, the cylinder body of described chopped-off head buffer forms the piston rod of described final stage buffer;
The right side of the piston body assembly of described chopped-off head buffer is provided with the pressure transducer for detecting pressure medium, and this pressure transducer is connected with a processor module;
Urceolus inside bottom is fixed on bottom the piston rod of described chopped-off head buffer;
The method of work of described two-stage buffer comprises:
The piston body assembly of buffer at different levels is suitable for when making piston movement, the pressure medium that described processor module detects according to described pressure transducer, regulates medium in corresponding cylinder body toward regurgitation volume, with the speed of control piston motion;
Described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, this left and right piston body is arranged with several be concentric circle distribution, for the through hole of medium axial flow, being sealed and matched between the adjacent face of left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole on described left and right piston body;
The cavity for placing motor is provided with in described left piston body, this motor is controlled by described processor module, its rotor is connected to described right piston body, rotate for driving this right piston body according to pressure medium, to control the relative position relation of each through hole on left and right piston body, and then control media flow, i.e. control piston movement velocity.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256614.1A CN103307180B (en) | 2013-06-25 | 2013-06-25 | Working method of two-stage buffer suitable for adjusting buffer sequences of all stages |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310256614.1A Division CN103307180B (en) | 2013-06-25 | 2013-06-25 | Working method of two-stage buffer suitable for adjusting buffer sequences of all stages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105041947A true CN105041947A (en) | 2015-11-11 |
Family
ID=49132748
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310256614.1A Active CN103307180B (en) | 2013-06-25 | 2013-06-25 | Working method of two-stage buffer suitable for adjusting buffer sequences of all stages |
| CN201510428940.5A Pending CN105041947A (en) | 2013-06-25 | 2013-06-25 | Working method of two stages of buffers controlled by processor module |
| CN201510427609.1A Pending CN105156547A (en) | 2013-06-25 | 2013-06-25 | Working method of two stages of buffers controlled by processor module |
| CN201510428199.2A Pending CN105065538A (en) | 2013-06-25 | 2013-06-25 | Working method of two stages of buffers controlled by processor module |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310256614.1A Active CN103307180B (en) | 2013-06-25 | 2013-06-25 | Working method of two-stage buffer suitable for adjusting buffer sequences of all stages |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510427609.1A Pending CN105156547A (en) | 2013-06-25 | 2013-06-25 | Working method of two stages of buffers controlled by processor module |
| CN201510428199.2A Pending CN105065538A (en) | 2013-06-25 | 2013-06-25 | Working method of two stages of buffers controlled by processor module |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN103307180B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3215614A1 (en) * | 1982-04-27 | 1983-02-03 | Anna Dorothea 8000 München Sapunarow-Ryffel | Hydraulic single-tube shock absorber with damping control |
| EP1232884A2 (en) * | 2001-02-16 | 2002-08-21 | Trw Inc. | Anti-roll bar with link actuator for controlling torsional rigidity |
| DE102008054573A1 (en) * | 2008-12-12 | 2010-06-17 | Robert Bosch Gmbh | Method for determining compression travel of two pipe-shock absorber for motor vehicle, involves determining compression path from differences of pressures, and calculating compression travel from speed |
| CN101874165A (en) * | 2007-06-04 | 2010-10-27 | 罗伯特.博世有限公司 | Damper |
| CN202149175U (en) * | 2011-06-30 | 2012-02-22 | 北京金自天和缓冲技术有限公司 | Buffer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19734375C1 (en) * | 1997-08-08 | 1999-02-11 | Stabilus Gmbh | Piston-cylinder for motor vehicle gas spring |
| KR20060021456A (en) * | 2004-09-03 | 2006-03-08 | 현대모비스 주식회사 | Single body suspension with spring and damper for vehicles |
| JP5081066B2 (en) * | 2008-06-04 | 2012-11-21 | 株式会社日立製作所 | Hydraulic shock absorber for elevator |
| CN101639106B (en) * | 2009-08-25 | 2011-05-11 | 深圳市中车业成实业有限公司 | Piston-type hydro-pneumatic buffer |
| JP2012240439A (en) * | 2011-05-16 | 2012-12-10 | Suzuki Motor Corp | Shock absorber stroke detecting device of motorcycle |
| CN202833822U (en) * | 2012-08-20 | 2013-03-27 | 成都市翻鑫家科技有限公司 | Temperature measure type automobile shock absorber |
| CN103032510B (en) * | 2012-12-12 | 2016-06-01 | 重庆大学 | Stretching type magnetic current becomes snubber |
-
2013
- 2013-06-25 CN CN201310256614.1A patent/CN103307180B/en active Active
- 2013-06-25 CN CN201510428940.5A patent/CN105041947A/en active Pending
- 2013-06-25 CN CN201510427609.1A patent/CN105156547A/en active Pending
- 2013-06-25 CN CN201510428199.2A patent/CN105065538A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3215614A1 (en) * | 1982-04-27 | 1983-02-03 | Anna Dorothea 8000 München Sapunarow-Ryffel | Hydraulic single-tube shock absorber with damping control |
| EP1232884A2 (en) * | 2001-02-16 | 2002-08-21 | Trw Inc. | Anti-roll bar with link actuator for controlling torsional rigidity |
| CN101874165A (en) * | 2007-06-04 | 2010-10-27 | 罗伯特.博世有限公司 | Damper |
| DE102008054573A1 (en) * | 2008-12-12 | 2010-06-17 | Robert Bosch Gmbh | Method for determining compression travel of two pipe-shock absorber for motor vehicle, involves determining compression path from differences of pressures, and calculating compression travel from speed |
| CN202149175U (en) * | 2011-06-30 | 2012-02-22 | 北京金自天和缓冲技术有限公司 | Buffer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103307180A (en) | 2013-09-18 |
| CN105156547A (en) | 2015-12-16 |
| CN105065538A (en) | 2015-11-18 |
| CN103307180B (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103307176B (en) | A kind ofly be suitable for the two-stage buffer realizing even buffering at different levels | |
| CN103352953B (en) | A kind of two-stage buffer being suitable for gradual control buffering order | |
| CN103291826B (en) | A kind of method of work being suitable for the three grades of buffers regulating buffering order at different levels | |
| CN103352952B (en) | A kind ofly be suitable for the three grades of buffers realizing even buffering at different levels | |
| CN103307181B (en) | A kind of method of work of the two-stage buffer with temperature-detecting device | |
| CN103335053B (en) | A kind of three grades of buffers being suitable for gradual control buffering order | |
| CN103307171B (en) | According to the method for work of the buffer of surge pressure control piston movement velocity | |
| CN103307180B (en) | Working method of two-stage buffer suitable for adjusting buffer sequences of all stages | |
| CN103307179B (en) | A kind of method of work being suitable for the two-stage buffer of gradual control buffering order | |
| CN103307178B (en) | A kind of two-stage buffer being suitable for gradual control buffering order | |
| CN103322110B (en) | Two-stage buffer with temperature detection device | |
| CN103291806B (en) | A kind ofly be suitable for the three grades of buffers realizing even buffering at different levels | |
| CN103291807B (en) | According to the buffer of surge pressure control piston movement velocity | |
| CN103291820B (en) | A kind of three grades of buffers being suitable for gradual control buffering order | |
| CN103335054B (en) | A kind of method of work of three grades of buffers | |
| CN103322112A (en) | Operating method of buffer unit which adjusts motion of piston according to impact pressure | |
| CN104712698A (en) | Buffer capable of displaying medium temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |