CN202624190U - Hydraulic braking device - Google Patents
Hydraulic braking device Download PDFInfo
- Publication number
- CN202624190U CN202624190U CN 201220104062 CN201220104062U CN202624190U CN 202624190 U CN202624190 U CN 202624190U CN 201220104062 CN201220104062 CN 201220104062 CN 201220104062 U CN201220104062 U CN 201220104062U CN 202624190 U CN202624190 U CN 202624190U
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- valve
- hydraulic
- pressure
- gear pump
- motor
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Abstract
The utility model relates to a control system, in particular to a hydraulic braking device. The hydraulic braking device is characterized by comprising a hydraulic valve block, a gear pump, a motor, an overflow valve, an electromagnetic valve and an energy accumulator, wherein the gear pump is connected with the hydraulic valve block, and the motor is used for driving the gear pump, and the electromagnetic valve is connected with a hydraulic valve block. A hydraulic outlet of the gear pump is connected with a first pressure switch through a one-way valve to form a first pressure return circuit. The overflow valve is connected with the hydraulic outlet of the gear pump and a hydraulic inlet of the gear pump in parallel mode and forms a return circuit with the gear pump. The electromagnetic valve is connected with a second pressure switch and a pressure sensor through a proportional valve in sequence to form a second pressure return circuit. The energy accumulator is divided into three routes, one route of the energy accumulator is connected with the hydraulic valve block through a hand valve, and the other two routes of the energy accumulator are respectively connected with the pressure monitoring end of the first pressure return circuit and the proportional valve on the second pressure return circuit. Compared with the prior art, the hydraulic braking device can meet compensation energy-saving module of any pressure, and facilitates prolonging of service life of components like the motor.
Description
[technical field]
The utility model relates to a kind of control system, a kind of specifically hydraulic brake system that is used for the floor vehicle.
[background technology]
At present in small and medium cities; All will consider and use low floor vehicle to replace subway; And low floor vehicle need be simplified, actv., integrated control system; Because of adopting air operated control to need main equipments such as Air compressor, taking up room is difficult to get on the bus, so a kind of integrated hydraulic brake system need be provided.
[summary of the invention]
The utility model provides a kind of hydraulic brake system that is used for the floor vehicle in order to overcome the deficiency of prior art.
To achieve these goals; The utility model has designed a kind of hydraulic brake system; It is characterized in that: comprise hydraulic valve block; And be connected the gear type pump on the hydraulic valve block, and also comprising a motor that is used for driving gear pump, the hydraulic pressure outlet of gear type pump connects first pressure switch through check valve and forms first pressure circuit; Also comprise a by pass valve, by pass valve is connected in parallel on hydraulic pressure outlet and the hydraulic inlet of gear type pump and forms the loop with gear type pump; Also comprise an electromagnetic valve that is connected on the hydraulic valve block, electromagnetic valve connects second pressure switch and pressure sensor forms second pressure circuit successively through apportioning valve; Also comprise an energy storage, energy storage divides three the tunnel, the one tunnel to connect hydraulic valve block through hand valve, and two-way is connected with the pressure monitoring end of first pressure circuit and the apportioning valve on second pressure circuit respectively in addition.
Also be provided with first filter on said first pressure circuit, between check valve and motor.
Also be provided with second filter on said second pressure circuit, between the apportioning valve and second pressure switch.
Also be provided with oily visor on the said hydraulic valve block.
Said electromagnetic valve is a two-position two-way solenoid valve.
Said hand valve is the bi-bit bi-pass hand valve.
The utility model is compared with prior art, has advanced closed loop control condition, and adopts energy storage as pressurizer, can satisfy the compensation energy-saving pattern of any pressure, helps the service life of each parts such as motor.
[description of drawings]
Fig. 1 is the hydraulic schematic diagram of the utility model.
Fig. 2 is the structural representation of the utility model.
Referring to Fig. 1 and Fig. 2,1 is hydraulic valve block; 2 is gear type pump; 3 is motor; 4 is check valve; 5 is first pressure switch; 6 is first pressure circuit; 7 is by pass valve; 8 is electromagnetic valve; 9 is apportioning valve; 10 is second pressure switch; 11 is pressure sensor; 12 is second pressure circuit; 13 is energy storage; 14 is hand valve; 15 is first filter; 16 is second filter; 17 is oily visor.
[specific embodiment]
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1; The utility model comprises hydraulic valve block 1; And be connected the gear type pump 2 on the hydraulic valve block 1, and also comprising a motor 3 that is used for driving gear pump 2, the hydraulic pressure outlet of gear type pump 2 connects first pressure switch 5 through check valve 4 and forms first pressure circuit 6.Also comprise a by pass valve 7, by pass valve 7 is connected in parallel on hydraulic pressure outlet and the hydraulic inlet of gear type pump 2 and forms the loop with gear type pump.Also comprise an electromagnetic valve 8 that is connected on the hydraulic valve block 1, electromagnetic valve 8 connects second pressure switch 10 and pressure sensor 11 formation second pressure circuit 12 successively through apportioning valve 9; Also comprise an energy storage 13, two-way was connected with the pressure detection end of first pressure circuit 6 and the apportioning valve 9 on second pressure circuit 12 respectively energy storage in addition through hand valve 14 connection hydraulic valve blocks 1 in 13 minutes three the tunnel, the one tunnel.
Also be provided with first filter 15 in the utility model on first pressure circuit 6, between check valve and motor.Also be provided with second filter 16 on second pressure circuit, between the apportioning valve 9 and second pressure switch 10.Also be provided with oily visor 17 on the loop that by pass valve 7 and gear type pump 2 form.
The principle of work of the utility model is: by motor 3 power is provided; Driving gear pump 2 provides pressure to whole hydraulic efficiency pressure system; When whole hydraulic system pressure rises to 12MPa; The first pressure pressure switch 10 is sent signal, and motor 3 stops operating, and the hydraulic efficiency pressure system line pressure relies on energy storage 13 to keep apportioning valve 9 a small amount of internal leakages.
After hydraulic efficiency pressure system was sent braking instruction, passing ratio valve 9 control provided a corresponding pressure for the delivery port of second pressure circuit 12, and formed closed loops with the pressure sensor 11 and second pressure switch 10 on the branch road.
When hydraulic system pressure was lower than 9MPa, first pressure switch 5 was sent signal, and this moment, motor 3 restarted, and gave energy storage 13 energy storage.
Whole hydraulic efficiency pressure system adopts energy storage can satisfy the compensation energy-saving pattern of any pressure as pressurizer, helps the service life of each parts such as motor.
As shown in Figure 2, all hydraulic function unit of the utility model is integrated in the hydraulic valve block 1 all, has strengthened the space Occupation coefficient of whole hydraulic brake system.
Claims (6)
1. hydraulic brake system; It is characterized in that: comprise hydraulic valve block (1); And be connected the gear type pump (2) on the hydraulic valve block (1); Also comprise a motor (3) that is used for driving gear pump (2), the hydraulic pressure outlet of gear type pump (2) connects first pressure switch (5) through check valve (4) and forms first pressure circuit (6); Also comprise a by pass valve (7), by pass valve (7) is connected in parallel on hydraulic pressure outlet and the hydraulic inlet of gear type pump (2) and forms the loop with gear type pump; Also comprise an electromagnetic valve (8) that is connected on the hydraulic valve block (1), electromagnetic valve (8) connects second pressure switch (10) and pressure sensor (11) formation second pressure circuit (12) successively through apportioning valve (9); Also comprise an energy storage (13), energy storage (13) Fen Sanlu, the one tunnel through hand valve (14) connection hydraulic valve block (1), and two-way is connected with the pressure detection end of first pressure circuit (6) and the apportioning valve (9) on second pressure circuit (12) respectively in addition.
2. hydraulic brake system according to claim 1 is characterized in that: also be provided with first filter (15) on said first pressure circuit (6), be positioned between check valve (4) and the motor (3).
3. hydraulic brake system according to claim 1 is characterized in that: also be provided with second filter (16) on said second pressure circuit (12), be positioned between apportioning valve (9) and second pressure switch (10).
4. hydraulic brake system according to claim 1 is characterized in that: also be provided with oily visor (17) on the hydraulic valve block (1).
5. hydraulic brake system according to claim 1 is characterized in that: said electromagnetic valve (8) is a two-position two-way solenoid valve.
6. hydraulic brake system according to claim 1 is characterized in that: said hand valve (14) is the bi-bit bi-pass hand valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220104062 CN202624190U (en) | 2012-03-16 | 2012-03-16 | Hydraulic braking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220104062 CN202624190U (en) | 2012-03-16 | 2012-03-16 | Hydraulic braking device |
Publications (1)
Publication Number | Publication Date |
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CN202624190U true CN202624190U (en) | 2012-12-26 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220104062 Expired - Lifetime CN202624190U (en) | 2012-03-16 | 2012-03-16 | Hydraulic braking device |
Country Status (1)
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CN (1) | CN202624190U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102582606A (en) * | 2012-03-16 | 2012-07-18 | 上海庞丰交通设备科技有限公司 | Hydraulic brake device |
CN104943669A (en) * | 2015-07-13 | 2015-09-30 | 青岛四方车辆研究所有限公司 | Passive type tramcar hydraulic brake system provided with high-speed switch valves |
CN104960515A (en) * | 2015-07-13 | 2015-10-07 | 青岛四方车辆研究所有限公司 | Active hydraulic brake system of tramcar |
CN105000008A (en) * | 2015-07-13 | 2015-10-28 | 青岛四方车辆研究所有限公司 | Active tram hydraulic braking system with high speed switch valve |
CN107839712A (en) * | 2017-10-30 | 2018-03-27 | 中车唐山机车车辆有限公司 | The hydraulic brake system and magnetic suspension train of magnetic suspension train |
CN111016864A (en) * | 2019-12-31 | 2020-04-17 | 中铁磁浮科技(成都)有限公司 | Hydraulic braking system suitable for suspension type rail vehicle |
CN111688655A (en) * | 2020-08-05 | 2020-09-22 | 中铁磁浮科技(成都)有限公司 | Hydraulic brake control system |
-
2012
- 2012-03-16 CN CN 201220104062 patent/CN202624190U/en not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102582606A (en) * | 2012-03-16 | 2012-07-18 | 上海庞丰交通设备科技有限公司 | Hydraulic brake device |
CN102582606B (en) * | 2012-03-16 | 2015-05-20 | 上海庞丰交通设备科技有限公司 | Hydraulic brake device |
CN104943669A (en) * | 2015-07-13 | 2015-09-30 | 青岛四方车辆研究所有限公司 | Passive type tramcar hydraulic brake system provided with high-speed switch valves |
CN104960515A (en) * | 2015-07-13 | 2015-10-07 | 青岛四方车辆研究所有限公司 | Active hydraulic brake system of tramcar |
CN105000008A (en) * | 2015-07-13 | 2015-10-28 | 青岛四方车辆研究所有限公司 | Active tram hydraulic braking system with high speed switch valve |
CN104943669B (en) * | 2015-07-13 | 2018-10-19 | 中车青岛四方车辆研究所有限公司 | High-speed switch valve passive type tramcar brake fluid system |
CN105000008B (en) * | 2015-07-13 | 2019-02-15 | 中车青岛四方车辆研究所有限公司 | The active tramcar brake fluid system of high-speed switch valve |
CN107839712A (en) * | 2017-10-30 | 2018-03-27 | 中车唐山机车车辆有限公司 | The hydraulic brake system and magnetic suspension train of magnetic suspension train |
CN107839712B (en) * | 2017-10-30 | 2019-08-27 | 中车唐山机车车辆有限公司 | The hydraulic brake system and magnetic suspension train of magnetic suspension train |
CN111016864A (en) * | 2019-12-31 | 2020-04-17 | 中铁磁浮科技(成都)有限公司 | Hydraulic braking system suitable for suspension type rail vehicle |
CN111688655A (en) * | 2020-08-05 | 2020-09-22 | 中铁磁浮科技(成都)有限公司 | Hydraulic brake control system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 201802 Shanghai, South Jiading District, South Road, No. 500, No. 12 Patentee after: China railway traffic equipment (Shanghai) Co., Ltd. Address before: 201802 Shanghai, South Jiading District, South Road, No. 500, No. 12 Patentee before: Shanghai Pangfeng Traffic Equipment Technology Co., Ltd. |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Ran Jingxian Document name: Notification of Passing Examination on Formalities |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20121226 |