CN109780089A - A kind of hydraulic rim brake - Google Patents
A kind of hydraulic rim brake Download PDFInfo
- Publication number
- CN109780089A CN109780089A CN201711103397.7A CN201711103397A CN109780089A CN 109780089 A CN109780089 A CN 109780089A CN 201711103397 A CN201711103397 A CN 201711103397A CN 109780089 A CN109780089 A CN 109780089A
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- hydraulic
- guide rod
- spring
- pressure
- oil
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- 230000005611 electricity Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 63
- 239000007788 liquid Substances 0.000 description 14
- 239000010720 hydraulic oil Substances 0.000 description 6
- 239000010727 cylinder oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 208000032368 Device malfunction Diseases 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of hydraulic rim brakes, including symmetrically arranged holder arms, clamp seat, brake shoe, valve block, spring hydraulic cylinder, hydraulic pump, hydraulic valve bank, hydraulic pump to be connected to motor；Pressure chamber, back pressure cavity, oil inlet, oil return opening are equipped in spring hydraulic cylinder cylinder body, oil duct and the oil inlet and oil return opening of valve block are docked and connected；Pressure end guide rod is equipped on piston end surface, which stretches out from cylinder body one end；Spring is equipped in cylinder body, which is fixedly connected with cylinder body end face, the other end is abutted with the end face of the not set pressure end guide rod of piston；One holder arms and pressure end guide rod are hinged, another holder arms and cylinder body are hinged；Clamp seat one end and a holder arms are hinged, and the other end and another holder arms are hinged；A pair of of brake shoe respectively corresponds to the end for being articulated with a pair of of holder arms.The present invention uses highly integrated hydraulic driving mode, respectively works independently, has prevented oil leak, improved the safety of host equipment.
Description
Technical field
The present invention relates to a kind of hydraulic rim brakes, are particularly suitable for harbour large lifting equipment.
Background technique
Currently, the hydraulic rim brake for harbour large lifting equipment is to drive several liquid using a hydraulic station
The form of pinch roller side brake oil cylinder, i.e., so-called one drag it is more.It is connected between hydraulic station and oil cylinder using oil pipe and connector.It is existing
Structure type have following defects that in use
(1) fluid pressure line is long between hydraulic station and each oil cylinder, and connector is more, great in constructing amount, it is desirable that and it is high, because operating reason or aging are former
Cause has higher leakage hidden danger.Pipeline is too long, and air-discharging is also required to carry out one by one, and the difficulty of air-discharging is big.
(2) one drag in more composition forms, if wherein leakage failure occurs in an oil cylinder, will lead to oil pressure can not be protected
It holds, the possibility for thering are all rim brakes for causing the driving of this hydraulic station all to fail.
If hydraulic station breaks down, the case where immediately large area rim brake occur while fail, for one
It is abnormally dangerous for host equipment.
(3) during prolonged use, since pipeline is long, and oil cylinder use is one-way cylinder, can be led
The oil liquid in oil pipe is caused to be unable to get update, in-oil cylinder oil liquid is situated between due to being not involved in circulation, meeting faster aging, surrounding enviroment
The reason of matter such as moisture content, salt, soda acid component etc. is slowly immersed in and cause oil product to decline, can aggravate oil cylinder abrasion, increase life
The possibility of rust, seriously reduces the service life.
(4) traditional rim brake oil cylinder is one-way cylinder, the piston back side (spring installation side) not liquid storage pressure oil,
Between dust and lubricating grease etc. will form greasy filth, be brought into pistons work area, piston can be polluted, piston seal is caused to be let out
Leakage.If piston seal leaks, hydraulic oil can all leak into spring side, and not only oil liquid can lose, and
Will form vicious circle, dust and lubricating grease therebetween can be further formed further amounts of greasy filth together with the hydraulic oil of leakage,
Further resulting in good cannot seal and substantially reduce service life, and failure rate greatly improves.Piston seal leaks
The oil liquid for also resulting in hydraulic system is reduced, and the oil liquid of leakage also can be to environmental danger.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of avoidable oil leak, improves the independence of the safety of host equipment
Formula hydraulic rim brake.
The technical solution that the present invention solves the problems, such as is: a kind of hydraulic rim brake, including symmetrically arranged one
To holder arms, clamp seat, symmetrically arranged a pair of of brake shoe, the interior valve block for setting oil duct, spring hydraulic cylinder, the liquid being mounted in valve block
Press pump, the hydraulic valve bank being mounted in valve block, hydraulic pump are connected to motor；
The spring hydraulic cylinder includes hollow cylinder body, is set to the intracorporal piston of cylinder；In cylinder body, it is equipped with positioned at piston side
Pressure chamber is located at the piston other side and is equipped with back pressure cavity, oil inlet is equipped at pressure chamber, is equipped with oil return opening at back pressure cavity, valve block
Oil duct is docked and connected with oil inlet and oil return opening；
Pressure end guide rod is equipped on end face of the piston towards pressure chamber, which stretches out from cylinder body one end；
It is equipped with spring in cylinder body, which is fixedly connected with cylinder body end face, the other end and the not set pressure end guide rod of piston
End face abut；
In holder arms, one of holder arms and pressure end guide rod are hinged, the one end of another holder arms and cylinder body equipped with spring
Hingedly；
Described clamp seat one end and a holder arms are hinged, and the clamp seat other end and another holder arms are hinged；
A pair of of brake shoe respectively corresponds to the end for being articulated with a pair of of holder arms.
In above scheme, cancel traditional one and drag more forms, using highly integrated hydraulic driving mode, does not need to make
With oil pipe and connector, the product with compact structure made, sealed reliable, movement is timely, respectively works independently.
In a kind of specific scheme, the chamber to be formed is surrounded in inboard wall of cylinder block in the end face of the not set pressure end guide rod of piston
Room is back pressure cavity, and the spring is located in back pressure cavity.
In another specific scheme, oil removal is equipped in cylinder body, positioned at the piston end surface side of not set pressure end guide rod
Wall, the chamber between the oil removal wall and the end face of the not set pressure end guide rod of piston are back pressure cavity, oil removal wall and separate piston one
The inboard wall of cylinder block of side surrounds to form spring plenum length, and the spring is located in spring plenum length；
Back pressure end guide rod is equipped on end face of the piston towards back pressure cavity, which may pass through oil removal wall and protrude into spring sky
Chamber；The spring one end is fixedly connected with cylinder body end face, the other end is abutted with the end face of back pressure end guide rod；
The distance between back pressure end guide rod end and pressure end guide rod end are greater than the width summation of back pressure cavity and pressure chamber.
Preferably, adjusting screw rod is equipped between pressure end guide rod and holder arms, which leads with pressure end
Bar is threadedly coupled, the other end and holder arms are hinged.
Adjusting screw rod can be used for adjusting the length that pressure end guide rod protrudes into pressure chamber, to compensate the gap after brake block abrasion.
Specifically, the hydraulic valve bank includes overflow valve, check valve, solenoid directional control valve, pressure switch；
Described solenoid directional control valve P mouthfuls connect with hydraulic pump, and check valve and overflow valve are equipped between solenoid directional control valve and hydraulic pump；
Described solenoid directional control valve T mouthfuls are connected to spring hydraulic cylinder oil return opening；
The A mouth of the solenoid directional control valve is connect with spring hydraulic cylinder oil inlet, solenoid directional control valve and spring hydraulic cylinder oil inlet it
Between be equipped with pressure switch.
Preferably, the handwheel coaxial with motor output shaft is equipped on motor.Handwheel is used for disk hydrodynamic press pump, makees interim hand
Dynamic brake of opening is used.
Remarkable result of the invention is:
1. cancelling traditional one drags more forms, every brake comes with fluid power system, using highly integrated liquid
Driving method is pressed, does not need the product with compact structure using oil pipe and connector, made, sealed reliable, movement is timely, respectively
It works independently, relative to traditional compositional model, simplifies the work difficulty of working service, different braking device malfunction and failure will not
It influences each other, also improves the safety of host equipment.
2. the leakage phenomenon being easy to appear has been effectively prevented, theoretically close to forever without oil leak in the past.In cylinder body, piston
There is oil liquid two sides, even if leakage, also belongs to interior leakage, will not impact to environment.
3. the present invention is using the mode recycled in oil liquid, not the pipeline of long range, opens a sluice gate, brakes each time
Process carries out one cycle to oil liquid, avoids the stagnant of local oil liquid and deposits, and the oil liquid in whole system is allowed to keep flowing and fill
Part mixing, to substantially prolong the speed of oil product decline.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is 1 principle schematic diagram of embodiment.
Fig. 2 is 1 hydraulic principle schematic diagram of embodiment.
Fig. 3 is 2 principle schematic diagram of embodiment.
In figure: 1- valve block, 2- hydraulic pump, 3- hydraulic valve bank, 4- motor, 5- piston, 5a- piston pressure end guide rod, 5b- are living
Fill in back pressure end guide rod, 6- spring, 7- spring hydraulic cylinder, 8- oil sealing, 9- cylinder body, 10- holder arms, 11- brake shoe, 12- brake disc,
17- adjusting screw rod, 18- clamp seat, 19- pressure chamber, 20- back pressure cavity, 21- handwheel, 22- oil removal wall, 23- spring plenum length, 24- overflow
Flow valve, 25- check valve, 26- solenoid directional control valve, 27- pressure switch.
Specific embodiment
Embodiment 1
As shown in Fig. 1~2, a kind of hydraulic rim brake, including symmetrically arranged a pair of of holder arms 10, clamp seat
18, symmetrically arranged a pair of of brake shoe 11, the interior valve block 1 for setting oil duct, spring hydraulic cylinder 7, the hydraulic pump 2 being mounted in valve block 1, peace
Hydraulic valve bank 3 in valve block 1.Hydraulic pump 2 is connect with motor 4.The handwheel coaxial with motor output shaft is equipped on motor 4
21。
The spring hydraulic cylinder 7 includes hollow cylinder body 9, the piston 5 being set in cylinder body 9.
9 in cylinder body, it is located at 5 side of piston and is equipped with pressure chamber 19, is located at 5 other side of piston and is equipped with back pressure cavity 20, pressure
It is equipped with oil inlet at chamber 19, is equipped with oil return opening at back pressure cavity 20, oil duct and the oil inlet and oil return opening of valve block 1 are docked and connected.
In piston 5 towards being equipped with pressure end guide rod 5a on the end face of pressure chamber 19, the pressure end guide rod 5a is from 9 one end of cylinder body
It stretches out.
Piston 5 and pressure end guide rod 5a and cylinder body contact site are sealed using oil sealing 8.
It is equipped with spring 6 in cylinder body 9, which is fixedly connected with 9 end face of cylinder body, the other end and the not set pressure of piston
The end face of power end guide rod 5a abuts.
In holder arms 10, one of holder arms 10 and pressure end guide rod 5a are hinged, another holder arms 10 is set with cylinder body 9
There is one end of spring 6 hinged.
Described 18 one end of clamp seat is hinged with a holder arms 10, and 18 other end of clamp seat and another holder arms 10 are cut with scissors
It connects.
A pair of of brake shoe 11 respectively corresponds to the end for being articulated with a pair of of holder arms 10.
It is back pressure cavity 20 that the chamber to be formed is surrounded in 9 inner wall of cylinder body in the end face of the not set pressure end guide rod 5a of piston,
The spring 6 is located in back pressure cavity 20.
Adjusting screw rod 17 is equipped between pressure end guide rod 5a and holder arms 10, which leads with pressure end
Bar 5a is threadedly coupled, the other end and holder arms 10 are hinged.
The hydraulic valve bank 3 includes overflow valve 24, check valve 25, solenoid directional control valve 26, pressure switch 27.
Described solenoid directional control valve 26P mouthfuls connect with hydraulic pump 2, and check valve is equipped between solenoid directional control valve 26 and hydraulic pump 2
25 and overflow valve 24.
Described solenoid directional control valve 26T mouthfuls are connected to 7 oil return opening of spring hydraulic cylinder.
The A mouth of the solenoid directional control valve is connect with 7 oil inlet of spring hydraulic cylinder, solenoid directional control valve 26 and spring hydraulic cylinder 7
Pressure switch 27 is equipped between oil inlet.
When work (opening), motor 4, which is powered, drives hydraulic pump 2 to establish hydraulic fluid pressure, while the electricity in hydraulic magnet valve group 3
The energization of magnetic reversal valve 26 switches over oil circuit, allows the hydraulic oil of pressure that can enter pressure by the oil duct in valve block 1
In chamber 19, to push 5 compressed spring 6 of piston, and hinge joint rotation of the holder arms 10 on base is driven, brake shoe 11 is taken away
12 braking surface of brake disc, to release braking.When hydraulic oil pressure reaches the value of setting, pressure switch 27 provides motor 4 and stops
Rotaring signal, brake opening action are completed.After opening, motor 4 stops working, and hydraulic magnet valve group 3 remains powered on maintenance state, electricity
Magnetic reversal valve 26 and check valve 25 keep the state of pressure keeping of oil circuit, are maintained open.In pressure maintaining period, pressure switch 27 is to hydraulic
Oil pressure is monitored, and when oil pressure drops to setting value, system is powered to motor 4, it is allowed to be rotated in short-term again to execute benefit
Press work, it is ensured that spring 6, which is able to maintain, effectively opens a sluice gate compressive state, and brake is allowed to be kept open.
Do not work (braking) when, hydraulic magnet valve group 3 powers off, and oil circuit is returned to original state.Compressed spring 6, which pushes, lives
5 returns are filled in, return to hydraulic oil in back pressure cavity 20 by the oil return circuit in valve block 1, while holder arms 10 being driven reversely to turn
It is dynamic, up to the effect of spring 6 so that brake shoe 11 clamps again with brake disc 12, generate braking action.
Embodiment 2
As shown in figure 3, embodiment 1 is repeated, and except that: in cylinder body 9, positioned at the piston 5 of not set pressure end guide rod 5a
End surface side is equipped with oil removal wall 22.Chamber between the oil removal wall 22 and the end face of the not set pressure end guide rod 5a of piston is back pressure cavity
20.Oil removal wall 22 and 9 inner wall of cylinder body of separate 5 side of piston surround to form spring plenum length 23, and the spring 6 is located at spring plenum length
In 23.
It may pass through oil removal towards back pressure end guide rod 5b, back pressure end guide rod 5b is equipped on the end face of back pressure cavity 20 in piston 5
Wall 22 protrudes into spring plenum length 23.Described 6 one end of spring is fixedly connected with 9 end face of cylinder body, the end of the other end and back pressure end guide rod 5b
Face abuts.Back pressure end guide rod 5b and cylinder body contact site are sealed using oil sealing 8.
The distance between the back pressure end end guide rod 5b and the end pressure end guide rod 5a are greater than back pressure cavity 20 and pressure chamber 19
Width summation.
Theoretically, the volume in the scheme of embodiment 1 between back pressure cavity 20 and pressure chamber 19 is different, can there is difference in volume,
For this gentle difference, needs that oil storage space additionally is arranged, cause to occupy certain volume.
The principle of 2 scheme of embodiment is same as Example 1, unlike, the chamber that spring 6 is arranged is divided into cavity, is carried on the back
Press chamber 21 and pressure chamber 19 without volume differences, the advantage is that: be not necessarily to design special oil storage space during oil circulation, it is more sharp
In the microminiaturization of structure.
Claims (6)
1. a kind of hydraulic rim brake, it is characterised in that: including symmetrically arranged a pair of of holder arms (10), clamp seat
(18), symmetrically arranged a pair of of brake shoe (11), the interior valve block (1) for setting oil duct, spring hydraulic cylinder (7), be mounted on valve block (1)
Hydraulic pump (2), the hydraulic valve bank (3) being mounted on valve block (1), hydraulic pump (2) are connect with motor (4)；
The spring hydraulic cylinder (7) includes hollow cylinder body (9), the piston (5) being set in cylinder body (9)；In cylinder body (9),
Pressure chamber (19) are equipped with positioned at piston (5) side, is located at piston (5) other side and is equipped with back pressure cavity (20), pressure chamber is set at (19)
There is oil inlet, is equipped with oil return opening at back pressure cavity (20), the oil duct of valve block (1) is docked and connected with oil inlet and oil return opening；
It is equipped with pressure end guide rod (5a) on end face of the piston (5) towards pressure chamber (19), the pressure end guide rod (5a) is from cylinder body
(9) one end is stretched out；
Spring (6) are equipped in cylinder body (9), which is fixedly connected with cylinder body (9) end face, the other end and piston are not set
The end face for setting pressure end guide rod (5a) abuts；
In holder arms (10), one of holder arms (10) and pressure end guide rod (5a) hingedly, another holder arms (10) and cylinder
One end that body (9) is equipped with spring (6) is hinged；
Described clamp seat (18) one end and a holder arms (10) hingedly, clamp seat (18) other end and another holder arms (10)
Hingedly；
A pair of of brake shoe (11) respectively corresponds to the end for being articulated with a pair of of holder arms (10).
2. hydraulic rim brake according to claim 1, it is characterised in that: the not set pressure end of piston
It is back pressure cavity (20) that the chamber to be formed is surrounded in cylinder body (9) inner wall in the end face of guide rod (5a), and the spring (6) is located at back pressure cavity
(20) in.
3. hydraulic rim brake according to claim 1, it is characterised in that: in the cylinder body (9), positioned at not setting
Piston (5) end surface side for setting pressure end guide rod (5a) is equipped with oil removal wall (22), the oil removal wall (22) and the not set pressure end of piston
Chamber between the end face of guide rod (5a) is back pressure cavity (20), oil removal wall (22) and cylinder body (9) inner wall far from piston (5) side
It surrounds to be formed spring plenum length (23), the spring (6) is located in spring plenum length (23)；
Back pressure end guide rod (5b) is equipped on end face of the piston (5) towards back pressure cavity (20), which may pass through
Oil removal wall (22) protrudes into spring plenum length (23)；Described spring (6) one end is fixedly connected with cylinder body (9) end face, the other end and back pressure
The end face of guide rod (5b) is held to abut；
The distance between the back pressure end guide rod end (5b) and the end pressure end guide rod (5a) are greater than back pressure cavity (20) and pressure chamber
(19) width summation.
4. hydraulic rim brake according to claim 1, it is characterised in that: in pressure end guide rod (5a) and folder
Adjusting screw rod (17) are equipped between tong arm (10), which is threadedly coupled with pressure end guide rod (5a), is another
End is hinged with holder arms (10).
5. hydraulic rim brake according to claim 1, it is characterised in that: the hydraulic valve bank (3) includes
Overflow valve (24), check valve (25), solenoid directional control valve (26), pressure switch (27)；
P mouthfuls of the solenoid directional control valve (26) connect with hydraulic pump (2), is equipped between solenoid directional control valve (26) and hydraulic pump (2) single
To valve (25) and overflow valve (24)；
T mouthfuls of the solenoid directional control valve (26) are connected to spring hydraulic cylinder (7) oil return opening；
The A mouth of the solenoid directional control valve is connect with spring hydraulic cylinder (7) oil inlet, solenoid directional control valve (26) and spring hydraulic cylinder
(7) pressure switch (27) are equipped between oil inlet.
6. hydraulic rim brake according to claim 1, it is characterised in that: be equipped with and electricity on motor (4)
The coaxial handwheel of machine output shaft (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103397.7A CN109780089A (en) | 2017-11-10 | 2017-11-10 | A kind of hydraulic rim brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103397.7A CN109780089A (en) | 2017-11-10 | 2017-11-10 | A kind of hydraulic rim brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109780089A true CN109780089A (en) | 2019-05-21 |
Family
ID=66484374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711103397.7A Pending CN109780089A (en) | 2017-11-10 | 2017-11-10 | A kind of hydraulic rim brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109780089A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979282A (en) * | 2019-12-26 | 2020-04-10 | 山东交通学院 | Electro-hydraulic brake-by-wire device with redundancy function and control method |
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|---|---|---|---|---|
| CN1103052A (en) * | 1993-11-26 | 1995-05-31 | 中国矿业大学 | Self-adaptive compensation booster brake for elevator |
| US5826682A (en) * | 1996-08-30 | 1998-10-27 | Unique Functional Products | Disk brake assembly for wheel of a trailer |
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| CN201317375Y (en) * | 2008-11-27 | 2009-09-30 | 天津机辆轨道交通装备有限责任公司 | Mechanical brake of middle-low speed maglev train |
| CN101806281A (en) * | 2010-04-28 | 2010-08-18 | 哈尔滨工业大学 | Hydraulic device for spindle brake of wind generating set |
| CN201606431U (en) * | 2010-01-28 | 2010-10-13 | 湖南金三星煤机制造有限公司 | Hydraulic brake-shoe brake |
| CN201779191U (en) * | 2010-09-13 | 2011-03-30 | 江西华伍制动器股份有限公司 | Two-step brake |
| CN202441767U (en) * | 2012-02-29 | 2012-09-19 | 重庆市双鹰制动器有限公司 | Single driving traveling wheel braking device used on crane |
| CN204458933U (en) * | 2015-02-15 | 2015-07-08 | 北京纵横机电技术开发公司 | With the cyclostrophic liquid type brake clamp unit of stopping brake |
| CN206129947U (en) * | 2016-08-31 | 2017-04-26 | 山西潞安集团余吾煤业有限责任公司 | Rubber belt conveyor disc brake hydraulic control system |
| CN207454606U (en) * | 2017-11-10 | 2018-06-05 | 湖南三占科技股份有限公司 | A kind of hydraulic rim brake |
-
2017
- 2017-11-10 CN CN201711103397.7A patent/CN109780089A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103052A (en) * | 1993-11-26 | 1995-05-31 | 中国矿业大学 | Self-adaptive compensation booster brake for elevator |
| US5826682A (en) * | 1996-08-30 | 1998-10-27 | Unique Functional Products | Disk brake assembly for wheel of a trailer |
| CN2835196Y (en) * | 2005-09-21 | 2006-11-08 | 新泰市国力矿山设备厂 | Hydraulic band-brake type double-brake hoisting winch |
| CN101279700A (en) * | 2007-04-06 | 2008-10-08 | 中信重工机械股份有限公司 | Hydraulic radial translational internal contracting brake device |
| CN101244730A (en) * | 2008-03-26 | 2008-08-20 | 西北工业大学 | Power system of jump robot |
| CN201317375Y (en) * | 2008-11-27 | 2009-09-30 | 天津机辆轨道交通装备有限责任公司 | Mechanical brake of middle-low speed maglev train |
| CN201606431U (en) * | 2010-01-28 | 2010-10-13 | 湖南金三星煤机制造有限公司 | Hydraulic brake-shoe brake |
| CN101806281A (en) * | 2010-04-28 | 2010-08-18 | 哈尔滨工业大学 | Hydraulic device for spindle brake of wind generating set |
| CN201779191U (en) * | 2010-09-13 | 2011-03-30 | 江西华伍制动器股份有限公司 | Two-step brake |
| CN202441767U (en) * | 2012-02-29 | 2012-09-19 | 重庆市双鹰制动器有限公司 | Single driving traveling wheel braking device used on crane |
| CN204458933U (en) * | 2015-02-15 | 2015-07-08 | 北京纵横机电技术开发公司 | With the cyclostrophic liquid type brake clamp unit of stopping brake |
| CN206129947U (en) * | 2016-08-31 | 2017-04-26 | 山西潞安集团余吾煤业有限责任公司 | Rubber belt conveyor disc brake hydraulic control system |
| CN207454606U (en) * | 2017-11-10 | 2018-06-05 | 湖南三占科技股份有限公司 | A kind of hydraulic rim brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979282A (en) * | 2019-12-26 | 2020-04-10 | 山东交通学院 | Electro-hydraulic brake-by-wire device with redundancy function and control method |
| CN110979282B (en) * | 2019-12-26 | 2021-10-19 | 山东交通学院 | Electro-hydraulic brake-by-wire device with redundancy function and control method |
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