CN103322097B - Heavy duty truck wet-type multiple-disk brake - Google Patents
Heavy duty truck wet-type multiple-disk brake Download PDFInfo
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- CN103322097B CN103322097B CN201310289897.XA CN201310289897A CN103322097B CN 103322097 B CN103322097 B CN 103322097B CN 201310289897 A CN201310289897 A CN 201310289897A CN 103322097 B CN103322097 B CN 103322097B
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- 239000000314 lubricant Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 60
- 239000010720 hydraulic oil Substances 0.000 description 15
- 230000009471 action Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- 230000008439 repair process Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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Abstract
The present invention relates to a kind of heavy duty truck wet-type multiple-disk brake, first housing and the second housing are along the circumferential direction evenly equipped with at least three parking spring seats and return spring holder respectively, parking braking cluster spring to be arranged in parking spring seat and to withstand on parking throw-out collar, parking throw-out collar is arranged on the push-plate side of service brake piston, each Flexible Reset to be arranged on return spring holder and to withstand on the push-plate opposite side of service brake piston, service brake piston is arranged in the service brake oil pocket of the first housing, parking braking is removed piston and is arranged in the parking braking releasing oil pocket of the second housing, the push rod that piston is removed in parking braking connects with parking throw-out collar, the manual cancel system be connected on parking throw-out collar is bearing on the first housing.The present invention has rational in infrastructure, compact, processes easy for installation, can by service brake, emergency braking and parking braking three function i ntegration in a break, and after hydraulic system breaks down brake off.
Description
Technical field
The present invention relates to a kind of heavy duty truck wet-type multiple-disk brake, belong to heavy-duty automobile brake technical field.
Background technique
Braking system is one of most important constituent element of automobile, and its performance directly has influence on the safe operation of automobile.Heavy-duty automobile brake device is primarily of service braking device and emergency brake device and locking device for a vehicle composition.Heavy-duty automobile brake device the earliest adopt mechanical three independently caliper type braking device realize three braking functions, the break of this structure needs three braking device, complex structure, and calliper wear extent is large, need the brake clearance often regulating each braking device, be subject to environment impact, the life-span is low.Current a kind of heavy-duty automobile brake device is by hydraulic pressure and mechanical bond, such break mainly comprises cincture, brake oil drive cap and driving oil duct welding assembly, brake disc is arranged in cincture, brake oil drive cap and driving oil duct welding assembly are connected on cincture by fastening piece, piston cylinder is provided with in brake oil drive cap, spring is arranged in piston cylinder, piston cylinder is withstood in elasticity one end, the other end withstands on brake oil drive cap, hydraulic oil makes plug cock cylinder move by the oil duct on brake oil drive cap and driving oil duct welding assembly, when piston cylinder presses to braking platen, the brake disc in the middle of it is clamped by two friction plates, and realize braking, although this kind of break solves the adjustment of brake clearance, but it is large also to there is wear extent, working life is low, need the problems such as often replacing, especially multiple braking function cannot be realized in a break.Another kind of break is wet multi-disc brake, this break is provided with service brake piston on piston seat cap assembly, parking piston is arranged between brake disc shell and spring flap, combination Compress Spring is uniform along spring flap internal circumference direction, combination Compress Spring left end withstands on spring seat and covers, right-hand member withstands on parking piston, friction pair is arranged in detent housing, and adopt the oil-feed of single chamber to realize service brake and parking braking in a break, by the friction pair of hydraulic oil control brake, and improve its long service life, the advantage that can reduce costs.But its piston seat cap assembly of above-mentioned break is arranged on axle housing by fastening piece, and elasticity flap is arranged on brake disc shell by fastening piece, and parking braking oil duct is arranged on elasticity flap and brake disc shell, causes processing and difficulty is installed.Secondly, because combination top, Compress Spring two ends is on spring flap and parking piston, when driving states, friction pair there will be phenomenon of dawdling, and produces fever phenomenon, affects the working life of its break.Moreover after hydraulic system breaks down, due to can not brake off, cannot pulling heavy-duty car be realized.
Summary of the invention
The object of this invention is to provide a kind of heavy duty truck wet-type multiple-disk brake, have rational in infrastructure, compact, process easy for installation, can by service brake, emergency braking and parking braking three function i ntegration in a break, and can manual brake off after hydraulic system breaks down.
The present invention is the technological scheme achieved the above object: a kind of heavy duty truck wet-type multiple-disk brake, it is characterized in that: comprise the first housing and the second housing that are tightly connected, be arranged in the second housing and form friction pair by a plurality of spaced braking plate and friction plate successively, braking plate is connected with the second housing, first housing is along the circumferential direction evenly equipped with at least three parking spring seats, at least three parking braking cluster spring to be arranged in parking spring seat and to withstand on parking throw-out collar, and parking throw-out collar is arranged on the side of its push-plate of service brake piston; Second housing is along the circumferential direction evenly equipped with at least three return spring holders, at least three Returnning springs to be arranged in return spring holder and to withstand on the opposite side of its push-plate of service brake piston, service brake piston is arranged in the service brake oil pocket of the first housing, second housing is along the circumferential direction evenly equipped with at least two parking brakings and removes oil pocket, at least two parking brakings are removed piston and are arranged in parking braking releasing oil pocket, push rod and the parking throw-out collar of parking braking releasing piston offset, and the manual cancel system be connected on parking throw-out collar is bearing on the first housing.
The present invention is provided with service brake piston in the first housing and in the second housing and piston is removed in parking braking, the service brake oil pocket that service brake piston is arranged on the first housing is interior and relative with friction pair, and parking braking releasing piston is arranged in the releasing parking braking oil pocket of the second housing, the parking braking cluster spring be arranged in the first housing is crimped on its push-plate of service brake piston by parking throw-out collar, Returnning spring withstands on the another side of its push-plate of service brake piston, the phenomenon of dawdling that when solving driving states by Returnning spring, friction pair occurs, and reduce its wearing and tearing and heating, improve the working life of break.The present invention by two-way independently oil pocket realize the function of service brake, parking braking and emergency braking, the present invention is simultaneously provided with manual cancel system on the brake, because manual cancel system is connected with parking throw-out collar, therefore when hydraulic braking system breaks down, manually can remove the Parking Brake of heavy-duty car, by trailer, heavy-duty car is towed and it is placed under repair.The present invention is separately positioned in the service brake piston oil pocket of the first housing by service brake piston and parking braking releasing piston and the parking braking of the second housing is removed in oil pocket, process easy for installation on the one hand, and hydraulic oil acts directly on each piston area, not only be swift in motion, and a break can realize multiple braking function, rational in infrastructure, compact, the break value volume and range of product on heavy-duty car can be reduced, solve break and use the restriction being subject to spatial structure.The present invention's break can have multiple braking function, and friction pair transmits friction torque by oil film, solve calliper because of wear extent large, need often to safeguard and the problem such as the life-span is low, break of the present invention also reduces the impact of environmental factor on heavy automotive brake system, can guarantee the Security that heavy-duty car uses in rugged environment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is the structural representation of heavy duty truck wet-type multiple-disk brake of the present invention.
Fig. 2 is the I place structure for amplifying schematic diagram of Fig. 1.
Wherein: the 1-the first housing, 1-1-service brake oil pocket, 1-2-service brake oil duct, 1-3-parking spring seat, piston is removed in 2-parking braking, 2-1-push rod, 3-parking throw-out collar, 4-service brake piston, 4-1-boss face, 4-2-push-plate, 5-seal ring, 6-braking plate, 7-friction plate, 8-service brake oil connection, 9-adjusting element, 10-connecting rod, 11-parking braking cluster spring, 12-bolt, 13-Returnning spring, 14-the second housing, 14-1-return spring holder, 14-2-oil leab, oil pocket is removed in 14-3-parking braking, oil duct is removed in 14-4-parking braking, oil connection is removed in 15-parking braking, 16-lubricant pipe joint.
Embodiment
As shown in Figure 1, heavy duty truck wet-type multiple-disk brake of the present invention, comprise the first housing 1 and the second housing 14 be tightly connected, be arranged on the friction pair be made up of a plurality of spaced braking plate 6 and friction plate 7 successively in the second housing 14, first housing 1 is connected by multiple bolt 12 with the second housing 14, seal ring is provided with between first housing 1 and the second housing 14 mating face, the first housing 1 and the second housing 14 is made to form a closed shell, the port that second housing 14 is positioned at oil leab 14-2 is provided with lubricant pipe joint 16, friction pair can be immersed in lubricant oil, friction torque is transmitted by oil film, realize the non-maintaining of brake clearance simultaneously.The braking plate 6 of friction pair of the present invention is connected with the second housing 14, spline joint can be adopted, friction plate 7 and wheel hub spline joint, realize braking by oil film after braking plate 6 engages with friction plate 7, the braking plate 6 in friction pair and the quantity of friction plate 7 can require to arrange according to braking moment and hydraulic system oil pressure and boundary dimension.
As shown in Figure 1, the present invention first housing 1 is along the circumferential direction evenly equipped with at least three parking spring seat 1-3, at least three parking braking cluster spring 11 to be along the circumferential direction arranged in each parking spring seat 1-3 and to withstand on parking throw-out collar 3, parking throw-out collar 3 is arranged on the side of its push-plate of service brake piston 4 4-2, parking braking cluster spring 11 of the present invention can by leading, auxiliary spring is formed, spring pressure is applied by parking braking cluster spring 11 pairs of parking throw-out collars 3, the present invention first housing 1 is evenly equipped with 8 ~ 20 parking spring seat 1-3, 8 ~ 20 parking braking cluster spring 11 are along the circumferential direction symmetricly set on parking spring seat 1-3, as the first housing 1 is evenly equipped with 18 parking spring seat 1-3, 9 or 12 parking braking cluster spring 11 are along the circumferential direction symmetricly set on parking spring seat 1-3, or 18 parking braking cluster spring 11 are arranged on each parking spring seat 1-3, to keep stress balance.As shown in Figure 1, the present invention second housing 14 is along the circumferential direction evenly equipped with at least three return spring holder 14-1, at least three Returnning springs 13 to be along the circumferential direction arranged on each return spring holder 14-1 and to withstand on the opposite side of its push-plate of service brake piston 4 4-2, the present invention second housing 14 is evenly equipped with 8 ~ 12 return spring holder 14-1, 8 ~ 12 Returnning springs 13 are along the circumferential direction symmetricly set on return spring holder 14-1, as the second housing 14 is evenly equipped with 12 return spring holder 14-1, 9 Returnning springs 13 are along the circumferential direction symmetricly set on return spring holder 14-1, or 12 Returnning springs 13 are arranged on each return spring holder 14-1, each Returnning spring 13 is withstood on service brake piston 4 all the time.The quantity of parking braking cluster spring 11 of the present invention and the quantity of Returnning spring 13 can require to arrange according to the working stroke of braking.
As shown in Figure 1, service brake piston 4 of the present invention is arranged in the service brake oil pocket 1-1 of the first housing 1, service brake piston 4 of the present invention also has the push-plate 4-2 of one, by service brake piston 4, braking plate 6 pressing friction sheet 7 is realized braking, service brake oil pocket 1-1 in the present invention first housing 1 communicates with at least two service brake oil duct 1-2, first housing 1 is positioned at service brake oil duct 1-2 port and is provided with service brake oil connection 8, by hydraulic system, hydraulic oil is passed in service brake oil pocket 1-1 or by hydraulic oil from pressure release in this service brake oil pocket 1-1, communicated with service brake oil pocket 1-1 by multiple service brake oil duct 1-2, to improve service brake piston 4 movement speed further.As shown in Figure 1, service brake piston 4 of the present invention is sealed by the chamber wall of seal ring 5 with service brake oil pocket 1-1, service brake piston 4 is provided with boss face 4-1 relative to the end face of braking plate 6, overcome the elastic force of Returnning spring 13 when hydraulic oil passes in service brake oil pocket 1-1 and then promote service brake piston 4 by braking plate 6 pressing friction sheet 7, braking after friction pair is engaged.
As shown in Figure 1, the present invention second housing 14 is along the circumferential direction evenly equipped with at least two parking brakings and removes oil pocket 14-3, at least two parking brakings are removed piston 2 and are arranged in parking braking releasing oil pocket 14-3, push rod 2-1 and the parking throw-out collar 3 of parking braking releasing piston 2 offset, the present invention second housing 14 is along the circumferential direction evenly equipped with three parking brakings and removes oil pocket 14-3, three parking brakings are removed piston 2 and are arranged in corresponding parking braking releasing oil pocket 14-3, and its quantity can moment as required be arranged.
As shown in Figure 1, the chamber wall that parking braking releasing piston 2 of the present invention removes oil pocket 14-3 by seal ring 5 and parking braking seals, parking braking releasing oil pocket 14-3 removes oil duct 14-4 with parking braking and communicates, second housing 14 removes oil duct 14-4 port in parking braking and is connected with parking braking releasing oil connection 15, by hydraulic system, hydraulic oil is passed into parking braking releasing oil duct 14-4 to enter from pressure release in parking braking releasing oil pocket 14-3 in parking braking releasing oil pocket 14-3 or by hydraulic oil, piston 2 action is removed in control parking braking.As shown in Figure 1, the present invention is provided with pilot hole on driving brake piston 4, the push rod 2-1 that piston 2 is removed in parking braking passes pilot hole and withstands on parking throw-out collar 3, control parking braking by hydraulic oil and remove piston 2 action, parking braking is removed, or realize parking braking under the effect of parking braking cluster spring 11.
See shown in Fig. 1,2, the present invention's manual cancel system be connected on parking throw-out collar 3 is bearing on the first housing 1, after hydraulic system fault, manually regulates and braking plate 6 and friction plate 7 can be made to depart from and carry out brake release.See shown in Fig. 1,2, the adjusting element 9 that the manual cancel system of the present invention comprises connecting rod 10 and moves axially for control link 10, connecting rod 10 is connected on adjusting element 9 and parking throw-out collar 3, adjusting element 9 withstands on the first housing 1, this adjusting element 9 can adopt other adjusting element such as nut or cam, because adjusting element 9 is bearing on the first housing 1, makes connecting rod 10 outwards movement by adjusting element 9 action, after hydraulic system breaks down, parking braking can be realized and remove.
As shown in Figure 1, heavy duty truck wet-type multiple-disk brake of the present invention is when parked state, now all oil circuits of HYDRAULIC CONTROL SYSTEM are without pressure, under the parking braking cluster spring 11 arranged along the first housing 1 circumferencial direction acts on, promote parking throw-out collar 3 and then promote service brake piston 4 to press to braking plate 6, by braking plate 6 pressing friction sheet 7, friction pair realizes braking after engaging.
As shown in Figure 1, heavy duty truck wet-type multiple-disk brake of the present invention is when driving states, hydraulic system makes parking braking releasing oil pocket 14-3 pass into hydraulic oil and keep pressure, service brake oil pocket 1-1 without pressure, parking braking releasing piston 2 promotes parking throw-out collar 3 and compresses parking braking cluster spring 11, realize the releasing of the braking force of parking braking, namely under Returnning spring 13 acts on, promoting service brake piston 4 makes braking plate 6 and friction plate 7 depart from, realize parking braking releasing because friction pair is separated, make normal vehicle operation.When needing service brake in driving a vehicle, hydraulic system passes into hydraulic oil to service brake oil pocket 1-1, promote service brake piston 4 to move to braking plate 6 side, compression reseting spring 13 is until make braking plate 6 and friction plate 7 compress simultaneously, friction pair is engaged and realizes braking; When service brake need be removed, hydraulic system is by the hydraulic oil pressure release of service brake oil pocket 1-1, under Returnning spring 13 acts on, promote service brake piston 4, service brake piston 4 is moved, braking plate 6 and friction plate 7 depart to be made friction pair be separated to realize service brake to remove.
As shown in Figure 1, when heavy duty truck wet-type multiple-disk brake of the present invention needs emergency braking condition in driving, hydraulic system passes into hydraulic oil to service brake oil pocket 1-1, promotes service brake piston 4 compression reseting spring 13, braking plate 6 and friction plate 7 are compressed, friction pair is engaged and realizes braking; Simultaneously, hydraulic system makes parking braking remove the hydraulic oil pressure release of oil pocket 14-3, parking braking cluster spring 11 promotes parking throw-out collar 3 and contacts with service brake piston 4, and the elastic force of parking braking cluster spring 11 is applied on service brake piston 4, and the clamping force increased friction pair, and then increase braking force realizes emergency braking.
As shown in Figure 1, heavy duty truck wet-type multiple-disk brake of the present invention is after hydraulic system fault, and because all hydraulic oil circuit is all in pressure release state, break realizes parking braking, and cannot drag wheel.By manual brake off, by operation adjusting element 9, connecting rod 10 extroversion is moved axially and drives parking throw-out collar 3 to compress parking braking cluster spring 11, now under Returnning spring 13 acts on, promoting service brake piston 4 makes friction pair be separated, finally realize parking braking to remove, conveniently heavy-duty car service brake piston 4 is delivered to maintenance station by trailer, overhaul.
Claims (9)
1. a heavy duty truck wet-type multiple-disk brake, it is characterized in that: comprise the first housing (1) and the second housing (14) that are tightly connected, be arranged in the second housing (14) and form friction pair by a plurality of spaced braking plate successively (6) and friction plate (7), braking plate (6) and the second housing (14) spline joint, first housing (1) is along the circumferential direction evenly equipped with at least three parking spring seats (1-3), at least three parking braking cluster spring (11) to be arranged in parking spring seat (1-3) and to withstand on parking throw-out collar (3), parking throw-out collar (3) is arranged on the side of service brake piston (4) its push-plate (4-2), second housing (14) is along the circumferential direction evenly equipped with at least three return spring holders (14-1), at least three Returnning springs (13) to be arranged in return spring holder (14-1) and to withstand on the opposite side of service brake piston (4) its push-plate (4-2), service brake piston (4) is arranged in the service brake oil pocket (1-1) of the first housing (1), second housing (14) is along the circumferential direction evenly equipped with at least two parking brakings and removes oil pocket (14-3), at least two parking brakings are removed piston (2) and are arranged in parking braking releasing oil pocket (14-3), the push rod (2-1) that piston (2) is removed in parking braking offsets with parking throw-out collar (3), the manual cancel system be connected on parking throw-out collar (3) is bearing on the first housing (1).
2. heavy duty truck wet-type multiple-disk brake according to claim 1, it is characterized in that: the adjusting element (9) that described manual cancel system comprises connecting rod (10) and moves axially for control link (10), connecting rod (10) is connected on adjusting element (9) and parking throw-out collar (3), and adjusting element (9) withstands on the first housing (1).
3. heavy duty truck wet-type multiple-disk brake according to claim 1, is characterized in that: described service brake piston (4) is provided with boss face (4-1) relative to the end face of braking plate (6).
4. heavy duty truck wet-type multiple-disk brake according to claim 1, it is characterized in that: described service brake piston (4) is provided with pilot hole, the push rod (2-1) that piston (2) is removed in parking braking withstands on parking throw-out collar (3) through pilot hole.
5. heavy duty truck wet-type multiple-disk brake according to claim 1, it is characterized in that: described first housing (1) is evenly equipped with 8 ~ 20 parking spring seats (1-3), 8 ~ 20 parking braking cluster spring (11) are along the circumferential direction symmetricly set on parking spring seat (1-3).
6. heavy duty truck wet-type multiple-disk brake according to claim 1, it is characterized in that: described second housing (14) is evenly equipped with in 8 ~ 12 return spring holders (14-1), and 8 ~ 12 Returnning springs (13) are along the circumferential direction symmetricly set on return spring holder (14-1).
7. heavy duty truck wet-type multiple-disk brake according to claim 1, it is characterized in that: described second housing (14) is along the circumferential direction evenly equipped with three parking brakings and removes oil pocket (14-3), three parking brakings are removed piston (2) and are arranged in corresponding parking braking releasing oil pocket (14-3).
8. heavy duty truck wet-type multiple-disk brake according to claim 1, it is characterized in that: described the second housing (14) is provided with oil leab (14-2), the port that the second housing (14) is positioned at oil leab (14-2) is provided with lubricant pipe joint (16).
9. heavy duty truck wet-type multiple-disk brake according to claim 1, it is characterized in that: the service brake oil pocket (1-1) in described the first housing (1) communicates with at least two service brake oil ducts (1-2), the port that the first housing (1) is positioned at service brake oil duct (1-2) is provided with service brake oil connection (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310289897.XA CN103322097B (en) | 2013-07-10 | 2013-07-10 | Heavy duty truck wet-type multiple-disk brake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310289897.XA CN103322097B (en) | 2013-07-10 | 2013-07-10 | Heavy duty truck wet-type multiple-disk brake |
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| CN103322097A CN103322097A (en) | 2013-09-25 |
| CN103322097B true CN103322097B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310289897.XA Active CN103322097B (en) | 2013-07-10 | 2013-07-10 | Heavy duty truck wet-type multiple-disk brake |
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| CN (1) | CN103322097B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3222478B1 (en) * | 2016-03-25 | 2021-03-17 | Poclain Hydraulics Industrie | Redundant braking system |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527684B (en) * | 2013-10-23 | 2015-11-18 | 大连华锐重工集团股份有限公司 | Industrial hydraulic disk brake |
| CN103791008B (en) * | 2014-03-06 | 2017-02-01 | 龙岩文伍车桥制造有限公司 | Wet brake having parking braking function |
| CN103912613A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wet multi-disc parking brake |
| CN106286630A (en) * | 2016-10-19 | 2017-01-04 | 徐州科源液压股份有限公司 | Wheel limit row parking one multi-sheet wet-type brake |
| CN106763307A (en) * | 2016-11-29 | 2017-05-31 | 徐州科源液压股份有限公司 | A kind of and gearbox integration-in-one multi-sheet wet-type EPB |
| CN107571096A (en) * | 2017-10-10 | 2018-01-12 | 台州厚进精密机械有限公司 | Aerobraking index dial |
| CN109114065B (en) * | 2018-08-22 | 2020-10-27 | 天津大学 | Sealing device for brake piston of quick press |
| CN111350780B (en) * | 2018-12-24 | 2021-11-02 | 陕西重型汽车有限公司 | Disc brake actuator and control method thereof |
| CN110242685A (en) * | 2019-06-17 | 2019-09-17 | 宁波海天精工股份有限公司 | A kind of rotation shaft brake device with safety function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6405837B1 (en) * | 2000-02-10 | 2002-06-18 | Mico Incorporated | Combined parking and service brake |
| CN101603573A (en) * | 2009-06-19 | 2009-12-16 | 一拖(洛阳)开创装备科技有限公司 | Multifunctional wet multi-disc brake |
| CN201991969U (en) * | 2010-08-23 | 2011-09-28 | 山东临工工程机械有限公司 | Wet-type brake hub reducer |
| CN102494055A (en) * | 2011-12-06 | 2012-06-13 | 天津工程机械研究院 | Multi-disk wet-type brake for loading machine |
| CN103080589A (en) * | 2010-10-04 | 2013-05-01 | 日立建机株式会社 | Wet brake device |
| CN203335686U (en) * | 2013-07-10 | 2013-12-11 | 常州南车铁马科技实业有限公司 | Wet multiple-disc brake for heavy truck |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07208512A (en) * | 1994-01-14 | 1995-08-11 | Kubota Corp | Negative brake |
| JP2010221947A (en) * | 2009-03-25 | 2010-10-07 | Komatsu Ltd | Braking device |
| CN202768683U (en) * | 2012-05-08 | 2013-03-06 | 焦作市大华能源机械有限公司 | Disc type hydraulic multi-disc brake |
-
2013
- 2013-07-10 CN CN201310289897.XA patent/CN103322097B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6405837B1 (en) * | 2000-02-10 | 2002-06-18 | Mico Incorporated | Combined parking and service brake |
| CN101603573A (en) * | 2009-06-19 | 2009-12-16 | 一拖(洛阳)开创装备科技有限公司 | Multifunctional wet multi-disc brake |
| CN201991969U (en) * | 2010-08-23 | 2011-09-28 | 山东临工工程机械有限公司 | Wet-type brake hub reducer |
| CN103080589A (en) * | 2010-10-04 | 2013-05-01 | 日立建机株式会社 | Wet brake device |
| CN102494055A (en) * | 2011-12-06 | 2012-06-13 | 天津工程机械研究院 | Multi-disk wet-type brake for loading machine |
| CN203335686U (en) * | 2013-07-10 | 2013-12-11 | 常州南车铁马科技实业有限公司 | Wet multiple-disc brake for heavy truck |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3222478B1 (en) * | 2016-03-25 | 2021-03-17 | Poclain Hydraulics Industrie | Redundant braking system |
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| CN103322097A (en) | 2013-09-25 |
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