CN203670556U - Closed complete disc wet brake with multiple discs - Google Patents
Closed complete disc wet brake with multiple discs Download PDFInfo
- Publication number
- CN203670556U CN203670556U CN201420044046.9U CN201420044046U CN203670556U CN 203670556 U CN203670556 U CN 203670556U CN 201420044046 U CN201420044046 U CN 201420044046U CN 203670556 U CN203670556 U CN 203670556U
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- Prior art keywords
- brake
- piston
- friction plate
- brake cylinder
- wheel hub
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 239000004519 grease Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007654 immersion Methods 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 27
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a closed complete disc wet brake with multiple discs. The closed complete disc wet brake comprises a brake oil cylinder, a brake shell, a piston, two rectangular sealing rings, a spline sleeve, a driving friction plate, a driven friction plate and piston return mechanisms. One end of the brake oil cylinder is connected with one end of the brake shell, the piston is arranged in the brake oil cylinder, a closed high-pressure oil cavity is formed between an end of the piston and an inner hole of the brake oil cylinder, the spline sleeve is fixed onto an outer circle of an end of a hub, and two ends of the hub are respectively supported on support shafts by bearings; an inner hole of the driving friction plate is axially movably connected with an outer spline of the spline sleeve, an outer circle of the driven friction plate is axially movably connected with an inner spline hole of the brake shell, and a floating oil seal and a combination oil seal are arranged between an inner hole in the other end of the brake shell and the hub. The closed complete disc wet brake has the advantages that the closed complete disc wet brake is mounted at the rear of a planetary speed reducer of a loading machine and is large in piston brake area and high in brake capacity, the piston return mechanisms are simple and reliable, a friction plate group works in an oil immersion closed environment, and accordingly excellent lubricating and cooling effects can be realized.
Description
Technical field
The utility model relates to a kind of break of industrial wheeled equipment, and especially a kind of large overall wet brake of capacity, belongs to technical field of engineering machinery.
Background technique
The foundation brakes of Driving Axle of Wheel Loader extensively adopts dry-type caliper disc brake at present, the brake friction area of this structure is little, cooling effect is poor, braking capacity is little, the break of 5 tonnes of following loader ransaxles of carrying capacity adopts the overall wet brake of multi-disc of enclosed construction, the overall wet brake of sealing multi-disc is arranged on planetary reducer front side more, realize complete machine braking by braking semiaxis, its brake fluid enters the pipeline complexity of piston, easy to leak, piston return structure complexity, braking capacity is less, is not suitable for large-tonnage loader.
Model utility content
The purpose of this utility model is to provide a kind of overall wet brake of sealing multi-disc that capacity is large, be applicable to large-tonnage loader of braking.
The utility model is achieved by the following technical programs:
The overall wet brake of a kind of sealing multi-disc, comprise brake cylinder, brake casing, piston, two rectangular seals, spline housing, several pieces active friction plates, several pieces driven friction disks and multiple piston return mechanism, several fastening pieces are respectively through axle housing and supporting axle, by axle housing, supporting axle is connected with brake cylinder one end, the brake cylinder the other end is connected with brake casing one end by several fastening pieces, piston is arranged in brake cylinder, piston radial is respectively equipped with two rectangular seals, between piston one end and brake cylinder endoporus, form the high-voltage oil cavity of sealing, spline housing is fixed on the cylindrical of wheel hub one end, wheel hub one end is arranged in brake casing, wheel hub two ends are bearing on supporting axle by bearing respectively, wheel hub the other end flange edge is connected with the carrier flange limit of Wheel-side planetary reducer, several pieces active friction plate endoporus with spline housing male splined shaft to being flexibly connected, several pieces driven friction disk cylindricals are axially flexibly connected with brake casing inner splined hole, the staggered friction plate group that is overlapped into of several pieces active friction plates and several pieces driven friction disks, friction plate group is positioned at piston the other end outside, between brake casing the other end endoporus and wheel hub, be provided with float grease seal and combination oil seal, between the piston the other end, brake casing and wheel hub three, form the cooling oil chamber of sealing.
The purpose of this utility model can also further realize by following technical measures.
The overall wet brake of aforesaid sealing multi-disc, wherein multiple piston return mechanisms are evenly distributed in brake cylinder one end, piston return mechanism comprises return spring, pilot pin and fixing lateral pin, pilot pin is arranged in brake cylinder pilot hole, pilot pin one end puts in piston guide hole, fixing lateral pin crosses pilot pin one end, termination, fixing lateral pin two ends is resisted against respectively on the step of piston guide hole, return spring is sleeved on pilot pin, and return spring two ends are resisted against respectively on the pilot pin shaft shoulder and brake cylinder pilot hole step.
The overall wet brake of aforesaid sealing multi-disc, is also provided with support plate between wherein said friction plate group and brake casing, support plate cylindrical with brake casing female splined shaft to being flexibly connected.
The overall wet brake of aforesaid sealing multi-disc, wherein said high-voltage oil cavity is connected with the hydraulic pressure oil duct on brake cylinder.
The utility model is arranged on loader planetary reducer rear side, hydraulic oil promotes piston the active friction plate of friction plate group and driven friction disk is mutually combined, driven friction disk compresses brake casing by support plate and realizes wheel hub braking, thereby realizes complete machine braking, and piston deceleration area is large, brake oil forces down, braking capacity is large, and piston return mechanism is simple and reliable, and friction plate group is operated in immersion oil enclosed environment, lubrication and cooling is effective, applicable to large-tonnage loader.
Advantage and disadvantage of the present utility model, by for illustration and explanation the non-limitative illustration by preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model brake cylinder;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the A-A cutaway view Amplified image of Fig. 3.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1 to 4, the utility model comprises brake cylinder 1, brake casing 2, piston 3, two rectangular seals 4, spline housing 5, active friction plate 6, 7 and 8 piston return mechanisms 8 of driven friction disk, several bolts are respectively through axle housing 9 and supporting axle 10, by axle housing 9, supporting axle 10 is connected with brake cylinder 1 left end, brake cylinder 1 right-hand member is connected with brake casing 2 left ends by several bolts, piston 3 is multidiameter shaft structure, be arranged in brake cylinder 1, between piston 3 left ends and brake cylinder 1 endoporus, form the high-voltage oil cavity 20 of sealing, two rectangular seals 4 are separately positioned on piston 3 ladder cylindricals and seal up high-voltage oil cavity 20, high-voltage oil cavity 20 is connected with the hydraulic pressure oil duct 11 on brake cylinder 1, as shown in Figure 4, when braking, brake fluid and enter high-voltage oil cavity 20 by hydraulic pressure oil duct 11, realize braking, plug screw 12 is in order to confining liquid force feed road 11, spline housing 5 is bolted on wheel hub 30 left end cylindricals by multiple, wheel hub 30 left ends embed in brake casing 2, wheel hub 30 two ends are bearing on supporting axle 10 by tapered roller bearing 40 respectively, wheel hub 30 right-hand member flange edges are connected with planet carrier 50 flange edges of Wheel-side planetary reducer by bolt.
8 piston return mechanisms 8 are evenly distributed in brake cylinder 1 left end, piston return mechanism 8 comprises return spring 81, pilot pin 82 and fixing lateral pin 83, pilot pin 82 is arranged in brake cylinder pilot hole 84, pilot pin 82 right-hand members put in piston guide hole 85, fixing lateral pin 83 crosses pilot pin 82 right-hand members, its termination, two ends is resisted against respectively piston guide hole 85 radially on step, return spring 81 is sleeved on pilot pin 82, be positioned at brake cylinder pilot hole 84, its two ends are resisted against respectively on pilot pin 82 shaft shoulders and brake cylinder pilot hole 84 steps.
The utility model working procedure is as follows: hydraulic oil flows into high-voltage oil cavity 20 by hydraulic pressure oil duct 11, along with promoting piston 3, the increase of oil pressure moves axially, the right side of piston 3 promotes driven friction disk 7 and moves axially, the staggered driven friction disk 7 being stacked and active friction plate 6 promote to eliminate gap mutually, be pressed on brake casing 2 by support plate 90, wheel hub 30 is braked, thereby realize complete machine braking, now return spring 81 compresses, end of braking, oil pressure reduces, and piston 3 is return under multiple return spring 81 restoring force effects, brake off.Along with spline housing 5 rotates with active friction plate 6, the hydraulic oil in cooling oil chamber 80 enters the gap of active friction plate 6 and driven friction disk 7, sufficient lubrication and cooling active friction plate 6 and driven friction disk 7.
In addition to the implementation, the utility model can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (4)
1. the overall wet brake of sealing multi-disc, it is characterized in that: comprise brake cylinder, brake casing, piston, two rectangular seals, spline housing, several pieces active friction plates, several pieces driven friction disks and multiple piston return mechanism, several fastening pieces are respectively through axle housing and supporting axle, by axle housing, supporting axle is connected with brake cylinder one end, the brake cylinder the other end is connected with brake casing one end by several fastening pieces, piston is arranged in brake cylinder, piston radial is respectively equipped with two rectangular seals, between piston one end and brake cylinder endoporus, form the high-voltage oil cavity of sealing, spline housing is fixed on the cylindrical of wheel hub one end, wheel hub one end is arranged in brake casing, wheel hub two ends are bearing on supporting axle by bearing respectively, wheel hub the other end flange edge is connected with the carrier flange limit of Wheel-side planetary reducer, several pieces active friction plate endoporus with spline housing male splined shaft to being flexibly connected, several pieces driven friction disk cylindricals are axially flexibly connected with brake casing inner splined hole, the staggered friction plate group that is overlapped into of several pieces active friction plates and several pieces driven friction disks, friction plate group is positioned at piston the other end outside, between brake casing the other end endoporus and wheel hub, be provided with float grease seal and combination oil seal, between the piston the other end, brake casing and wheel hub three, form the cooling oil chamber of sealing.
2. the overall wet brake of sealing multi-disc as claimed in claim 1, it is characterized in that: multiple piston return mechanisms are evenly distributed in brake cylinder one end, piston return mechanism comprises return spring, pilot pin and fixing lateral pin, pilot pin is arranged in brake cylinder pilot hole, pilot pin one end puts in piston guide hole, fixing lateral pin crosses pilot pin one end, termination, fixing lateral pin two ends is resisted against respectively on the step of piston guide hole, return spring is sleeved on pilot pin, and return spring two ends are resisted against respectively on the pilot pin shaft shoulder and brake cylinder pilot hole step.
3. the overall wet brake of sealing multi-disc as claimed in claim 1, is characterized in that: between described friction group sheet and brake casing, be also provided with support plate, support plate cylindrical with brake casing female splined shaft to being flexibly connected.
4. the overall wet brake of sealing multi-disc as claimed in claim 1, is characterized in that: described high-voltage oil cavity is connected with the hydraulic pressure oil duct on brake cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044046.9U CN203670556U (en) | 2014-01-24 | 2014-01-24 | Closed complete disc wet brake with multiple discs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044046.9U CN203670556U (en) | 2014-01-24 | 2014-01-24 | Closed complete disc wet brake with multiple discs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670556U true CN203670556U (en) | 2014-06-25 |
Family
ID=50966858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044046.9U Expired - Fee Related CN203670556U (en) | 2014-01-24 | 2014-01-24 | Closed complete disc wet brake with multiple discs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670556U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489044A (en) * | 2014-07-03 | 2017-03-08 | 株式会社小松制作所 | Power transmission |
| CN110469603A (en) * | 2019-08-16 | 2019-11-19 | 徐州徐工矿业机械有限公司 | A kind of wet brake and hub reduction driving device |
| CN114704563A (en) * | 2022-04-14 | 2022-07-05 | 一汽解放汽车有限公司 | Jackshaft stopper and car |
| CN114776734A (en) * | 2022-05-17 | 2022-07-22 | 一汽解放汽车有限公司 | Jackshaft stopper and vehicle |
-
2014
- 2014-01-24 CN CN201420044046.9U patent/CN203670556U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489044A (en) * | 2014-07-03 | 2017-03-08 | 株式会社小松制作所 | Power transmission |
| US10099550B2 (en) | 2014-07-03 | 2018-10-16 | Komatsu Ltd. | Power Transmission Device |
| CN106489044B (en) * | 2014-07-03 | 2019-10-18 | 株式会社小松制作所 | Power transmission |
| CN110469603A (en) * | 2019-08-16 | 2019-11-19 | 徐州徐工矿业机械有限公司 | A kind of wet brake and hub reduction driving device |
| CN114704563A (en) * | 2022-04-14 | 2022-07-05 | 一汽解放汽车有限公司 | Jackshaft stopper and car |
| CN114704563B (en) * | 2022-04-14 | 2023-05-23 | 一汽解放汽车有限公司 | Intermediate shaft brake and automobile |
| CN114776734A (en) * | 2022-05-17 | 2022-07-22 | 一汽解放汽车有限公司 | Jackshaft stopper and vehicle |
| CN114776734B (en) * | 2022-05-17 | 2023-05-23 | 一汽解放汽车有限公司 | Intermediate shaft brake and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 |