CN203594717U - Double-pump driven safety brake hydraulic control system - Google Patents
Double-pump driven safety brake hydraulic control system Download PDFInfo
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- CN203594717U CN203594717U CN201320749526.0U CN201320749526U CN203594717U CN 203594717 U CN203594717 U CN 203594717U CN 201320749526 U CN201320749526 U CN 201320749526U CN 203594717 U CN203594717 U CN 203594717U
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Abstract
The utility model discloses a double-pump driven safety brake hydraulic control system. The double-pump driven safety brake hydraulic control system comprises a main pump and an auxiliary pump. The double-pump driven safety brake hydraulic control system has the following advantages that under the condition that a motor of the main pump cannot normally work, a motor of the auxiliary pump can be switched to, and therefore normal work is guaranteed; when power failure occurs or a brake needs to be opened temporarily, a manual pump 28 can be utilized to open the wheel brake, and therefore energy consumption is saved; the safety brake function can be effectively achieved through multiple pressure relief control modes, wherein the pressure relief control modes include power-off pressure relief of a two-position four-way electromagnetic directional valve of the main pump and a two-position four-way electromagnetic directional valve of the auxiliary pump, power-on pressure relief of a two-position four-way electromagnetic directional valve at the rear end, emergency pressure relief of a ball valve and emergency pressure relief of the manual pump.
Description
Technical field
The utility model relates to a kind of new type mining double pump and drives safety brake hydraulic control system.
Background technique
Traditional safety brake hydraulic system only has a cover system, and in this case, if there is fault, break will lose efficacy, and can not brake protection, causes the time-out of whole system to use, and brings serious inconvenience to production.Existing system on market, in the time having a solenoid valve cisco unity malfunction, will make whole sure brake system in paralyzed state.
Model utility content
The purpose of this utility model is to provide a kind of new type mining double pump and drives safety brake hydraulic control system.
The purpose of this utility model realizes in the following way: a kind of double pump drives safety brake hydraulic control system, main pump motor is connected with main pump coupler, main pump coupler is connected with main plunger pump, the filler opening of main plunger pump is connected with main pump filter, the oil outlet of main plunger pump is connected with main pump fine filter, the oil outlet of main pump fine filter respectively with the P mouth of main pump relief valve, the A mouth of front end shuttle valve, the filler opening of main pump one-way valve connects, the T mouth of main pump relief valve is connected with fuel tank, the P mouth of two four-way electromagnetic reversing valves of the outlet of one-way valve and main pump is connected, the T mouth of two four-way electromagnetic reversing valves of main pump is connected with fuel tank, the B mouth of two four-way electromagnetic reversing valves of main pump and rear end shuttle valve A mouth be connected, auxiliary pump motor is connected with auxiliary pump coupling, auxiliary pump coupling is connected with secondary plunger pump, the filler opening of secondary plunger pump is connected with auxiliary pump filter, the oil outlet of secondary plunger pump is connected with auxiliary pump fine filter filler opening, the oil outlet of auxiliary pump fine filter is respectively at the P mouth of auxiliary pump relief valve, the B mouth of front end shuttle valve, auxiliary pump one-way valve connects, the T mouth of auxiliary pump relief valve is connected with fuel tank, the P mouth of two four-way electromagnetic reversing valves of the oil outlet of auxiliary pump one-way valve and auxiliary pump is connected, the T mouth connected tank of two four-way electromagnetic reversing valves of auxiliary pump connects, after the B mouth of two four-way electromagnetic reversing valves of auxiliary pump the B mouth of shuttle valve be connected, the T mouth of rear end shuttle valve respectively with the P mouth of two four-way electromagnetic reversing valves in rear end, ball valve, intermediate ball, accumulator, pressure controller connects, the B mouth connected tank of two four-way electromagnetic reversing valves in rear end, the oil outlet connected tank of ball valve connects, the oil outlet of intermediate ball respectively with rim brake, the oil outlet of hand pump connects, the filler opening connected tank of hand pump connects.
Connect pressure gauge at the T of front end shuttle valve mouth.
Oil outlet access valve in intermediate ball has pressure gauge.
The utlity model has following beneficial effect, 1 the in the situation that of main pump motor cisco unity malfunction, can be switched on auxiliary pump motor, thereby guarantee normally the carrying out of work; 2 in the time having a power failure or need break to be opened temporarily, can rim brake be opened with hand pump 28, saves energy consumption; More than 3 kind of pressure release control mode, effectively realizes safety braking functions: the one, the power-off pressure release of two four-way electromagnetic reversing valves of main pump and two four-way electromagnetic reversing valves of auxiliary pump; The 2nd, the four-way electromagnetic reversing valve energising pressure release of two of rear ends; The 3rd, the emergency decompression of ball valve; The 4th, hand pump emergency decompression.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of double pump drives safety brake hydraulic control system, main pump motor 5 is connected with main pump coupler 4, main pump coupler 4 is connected with main plunger pump 3, the filler opening of main plunger pump 3 is connected with main pump filter 2, the oil outlet of main plunger pump 3 is connected with main pump fine filter 6, the oil outlet of main pump fine filter 6 respectively with the P mouth of main pump relief valve 7, the A mouth of front end shuttle valve 15, the filler opening of main pump one-way valve 9 connects, the T mouth of main pump relief valve 7 is connected with fuel tank 1, the P mouth of two four-way electromagnetic reversing valves 10 of the outlet of one-way valve 9 and main pump is connected, the T mouth of two four-way electromagnetic reversing valves 10 of main pump is connected with fuel tank 1, 22 A mouth of the B mouth of two four-way electromagnetic reversing valves 10 of main pump and rear end shuttle valve is connected, auxiliary pump motor 20 is connected with auxiliary pump coupling 19, auxiliary pump coupling 19 is connected with secondary plunger pump 18, the filler opening of secondary plunger pump 18 is connected with auxiliary pump filter 21, the oil outlet of secondary plunger pump 18 is connected with auxiliary pump fine filter 17 filler openings, the oil outlet of auxiliary pump fine filter 17 is respectively at the P mouth of auxiliary pump relief valve 16, the B mouth of front end shuttle valve 15, auxiliary pump one-way valve 14 connects, the T mouth of auxiliary pump relief valve 16 is connected with fuel tank 1, the P mouth of two four-way electromagnetic reversing valves 13 of the oil outlet of auxiliary pump one-way valve 14 and auxiliary pump is connected, the T mouth connected tank 1 of two four-way electromagnetic reversing valves 13 of auxiliary pump connects, after the B mouth of two four-way electromagnetic reversing valves 13 of auxiliary pump the B mouth of shuttle valve 22 be connected, the T mouth of rear end shuttle valve 22 respectively with the P mouth of two four-way electromagnetic reversing valves 23 in rear end, ball valve 25, intermediate ball 24, accumulator 11, pressure controller 12 connects, the B mouth connected tank 1 of two four-way electromagnetic reversing valves 23 in rear end, the oil outlet connected tank 1 of ball valve 25 connects, the oil outlet of intermediate ball 24 respectively with rim brake 26, the oil outlet of hand pump 28 connects, the filler opening connected tank 1 of hand pump 28 connects, the T mouth of front end shuttle valve 15 connects pressure gauge 8, oil outlet access valve in intermediate ball 24 has pressure gauge 27.
When main plunger pump 3 is worked, two four-way electromagnetic reversing valves 10 of main pump are switched on, rim brake 26 is opened, when two four-way electromagnetic reversing valve 10 power-off of main pump, rim brake 26 is closed, if can not pressure release after two four-way electromagnetic reversing valve 10 power-off of main pump, two of rear ends four-way electromagnetic reversing valve 23 can be switched on, also can be by rim brake 26 pressure releases, ball valve 25 is for emergency decompression.
In like manner, when secondary plunger pump 14 is worked, two four-way electromagnetic reversing valves 13 of auxiliary pump are switched on, rim brake 26 is opened, and when two four-way electromagnetic reversing valve 13 power-off of auxiliary pump, rim brake 26 is closed, if can not pressure release after two four-way electromagnetic reversing valve 13 power-off of auxiliary pump, two of rear ends four-way electromagnetic reversing valve 23 can be switched on, also can be by rim brake 26 pressure releases, ball valve 25 is for emergency decompression; In the time that main plunger pump 3, secondary plunger pump 18 can not be worked, intermediate ball 24 to be closed, hand pump 28 is worked, and just rim brake 26 can be opened, and hand pump 28 has the function from pressure release.
Claims (3)
1. a double pump drives safety brake hydraulic control system, it is characterized in that: main pump motor (5) is connected with main pump coupler (4), main pump coupler (4) is connected with main plunger pump (3), the filler opening of main plunger pump (3) is connected with main pump filter (2), the oil outlet of main plunger pump (3) is connected with main pump fine filter (6), the oil outlet of main pump fine filter (6) respectively with the P mouth of main pump relief valve (7), the A mouth of front end shuttle valve (15), the filler opening of main pump one-way valve (9) connects, the T mouth of main pump relief valve (7) is connected with fuel tank (1), the outlet of one-way valve (9) is connected with the P mouth of two four-way electromagnetic reversing valves of main pump (10), the T mouth of two four-way electromagnetic reversing valves of main pump (10) is connected with fuel tank (1), the B mouth of two four-way electromagnetic reversing valves of main pump (10) is connected with the A mouth of (22) of rear end shuttle valve, auxiliary pump motor (20) is connected with auxiliary pump coupling (19), auxiliary pump coupling (19) is connected with secondary plunger pump (18), the filler opening of secondary plunger pump (18) is connected with auxiliary pump filter (21), the oil outlet of secondary plunger pump (18) is connected with auxiliary pump fine filter (17) filler opening, the oil outlet of auxiliary pump fine filter (17) is respectively at the P mouth of auxiliary pump relief valve (16), the B mouth of front end shuttle valve (15), auxiliary pump one-way valve (14) connects, the T mouth of auxiliary pump relief valve (16) is connected with fuel tank (1), the oil outlet of auxiliary pump one-way valve (14) is connected with the P mouth of two four-way electromagnetic reversing valves of auxiliary pump (13), the T mouth connected tank (1) of two four-way electromagnetic reversing valves of auxiliary pump (13) connects, after the B mouth of two four-way electromagnetic reversing valves of auxiliary pump (13) the B mouth of shuttle valve (22) be connected, the T mouth of rear end shuttle valve (22) respectively with the P mouth of two four-way electromagnetic reversing valves in rear end (23), ball valve (25), intermediate ball (24), accumulator (11), pressure controller (12) connects, the B mouth connected tank (1) of two four-way electromagnetic reversing valves in rear end (23), the oil outlet connected tank (1) of ball valve (25) connects, the oil outlet of intermediate ball (24) respectively with rim brake (26), the oil outlet of hand pump (28) connects, the filler opening connected tank (1) of hand pump (28) connects.
2. a kind of double pump according to claim 1 drives safety brake hydraulic control system, it is characterized in that: connect pressure gauge (8) at the T mouth of front end shuttle valve (15).
3. a kind of double pump according to claim 1 drives safety brake hydraulic control system, it is characterized in that: have pressure gauge (27) at the oil outlet access valve of intermediate ball (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749526.0U CN203594717U (en) | 2013-11-25 | 2013-11-25 | Double-pump driven safety brake hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749526.0U CN203594717U (en) | 2013-11-25 | 2013-11-25 | Double-pump driven safety brake hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594717U true CN203594717U (en) | 2014-05-14 |
Family
ID=50675610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320749526.0U Withdrawn - After Issue CN203594717U (en) | 2013-11-25 | 2013-11-25 | Double-pump driven safety brake hydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594717U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615480A (en) * | 2013-11-25 | 2014-03-05 | 湘潭市恒欣实业有限公司 | Double-pump-driven hydraulic control system with safety brake function |
| CN104196927A (en) * | 2014-08-08 | 2014-12-10 | 徐州五洋科技股份有限公司 | Control device for disk brake of downward-conveying belt conveyor |
| CN105351407A (en) * | 2015-12-17 | 2016-02-24 | 中石化石油工程机械有限公司第四机械厂 | Combined brake control device |
-
2013
- 2013-11-25 CN CN201320749526.0U patent/CN203594717U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615480A (en) * | 2013-11-25 | 2014-03-05 | 湘潭市恒欣实业有限公司 | Double-pump-driven hydraulic control system with safety brake function |
| CN104196927A (en) * | 2014-08-08 | 2014-12-10 | 徐州五洋科技股份有限公司 | Control device for disk brake of downward-conveying belt conveyor |
| CN104196927B (en) * | 2014-08-08 | 2018-04-27 | 徐州五洋科技股份有限公司 | A kind of Disc Brakes of Downward Belt Conveyor control device |
| CN105351407A (en) * | 2015-12-17 | 2016-02-24 | 中石化石油工程机械有限公司第四机械厂 | Combined brake control device |
| CN105351407B (en) * | 2015-12-17 | 2017-06-30 | 中石化石油工程机械有限公司第四机械厂 | A kind of combined braking control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |