CN202624190U - Hydraulic braking device - Google Patents

Hydraulic braking device Download PDF

Info

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
Authority
CN
China
Prior art keywords
valve
hydraulic
pressure
gear pump
motor
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.)
Expired - Lifetime
Application number
CN 201220104062
Other languages
Chinese (zh)
Inventor
曾宪华
徐乐
姚雪荣
刘睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China railway traffic equipment (Shanghai) Co., Ltd.
Original Assignee
SHANGHAI PANGFENG TRAFFIC EQUIPMENT TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI PANGFENG TRAFFIC EQUIPMENT TECHNOLOGY Co Ltd filed Critical SHANGHAI PANGFENG TRAFFIC EQUIPMENT TECHNOLOGY Co Ltd
Priority to CN 201220104062 priority Critical patent/CN202624190U/en
Application granted granted Critical
Publication of CN202624190U publication Critical patent/CN202624190U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Fluid-Pressure Circuits (AREA)

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

Hydraulic brake system
[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.
CN 201220104062 2012-03-16 2012-03-16 Hydraulic braking device Expired - Lifetime CN202624190U (en)

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
CN202624190U true CN202624190U (en) 2012-12-26

Family

ID=47377417

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)

Country Link
CN (1) CN202624190U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
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

Cited By (11)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN202624190U (en) Hydraulic braking device
CN102582606B (en) Hydraulic brake device
CN203698256U (en) Special-purpose vehicle braking system
CN201923122U (en) Brake control device for rail vehicles
CN208544412U (en) A kind of comprehensive folding and unfolding brake dual system of unmanned plane undercarriage
CN103693592B (en) A kind of scissor-type aerial platform vibration hydraulic system
CN203920726U (en) Integrated form automatic parking brake device
CN104960515A (en) Active hydraulic brake system of tramcar
CN202170940U (en) Automatic clutch control device based on dual-mode double-motor hybrid connection system
CN105000008A (en) Active tram hydraulic braking system with high speed switch valve
CN204978623U (en) Active hydraulic braking system of tram
CN104943669A (en) Passive type tramcar hydraulic brake system provided with high-speed switch valves
CN203063930U (en) Hydraulic service brake system for milling machine
CN106828194A (en) The auxiliary power system and its control method of a kind of pure electric automobile
CN204726414U (en) High-speed switch valve passive type tramway train hydraulic brake system
CN205524208U (en) Electronic round of hydraulic pressure of drive -by -wire for car parking braking system of all wheel steering
CN202790241U (en) Hydraulic system used for disc-type brake and hydraulic station used for disc-type brake
CN202827109U (en) Performing mechanism for hybrid electric vehicle clutch with limp function
CN201753040U (en) Packing case lifting safety control device
CN202673653U (en) Air compressor vacuum pump overall performance experimental table
CN202657018U (en) Parking braking system
CN203199027U (en) Hydraulic transmission system of full-hydraulic drive crawler-type tractor
CN105257617B (en) Pressure-filling and unloading-controlling integrated system of large electric wheel dump truck
CN201712482U (en) Hydraulic retarder drive controller
CN204821530U (en) Active tram hydraulic braking system of high speed switch valve

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