CN203939896U - A kind of vehicle bridge wheel multi-disc disc type wet brake for limit - Google Patents
A kind of vehicle bridge wheel multi-disc disc type wet brake for limit Download PDFInfo
- Publication number
- CN203939896U CN203939896U CN201420227968.3U CN201420227968U CN203939896U CN 203939896 U CN203939896 U CN 203939896U CN 201420227968 U CN201420227968 U CN 201420227968U CN 203939896 U CN203939896 U CN 203939896U
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Abstract
Vehicle bridge wheel is a multi-disc disc type wet brake for limit, belongs to vehicle bridge rim brake.The brake shell body of this break or end cap, inner housing connect by bolt, spring washer; Break inner housing is directly fixed on break integral body on vehicle bridge flange by bolt, and break can wholely assemble or dismounting, without disintegration; Wheel hub is connected with wheel rim, tire with rim bolt, nut by seam; Active friction plate internal spline is connected with wheel hub external splines, and active friction plate can slide on wheel hub; Passive steel disc external splines is connected with brake shell body internal spline or by pin or gudgeon.Advantage: simple in structure, easy to loading and unloading; The mode of braking that adopts braking vehicle bridge low speed end wheel hub, heating value is little, good heat dissipation; Break is not subject to external environment condition pollute and affect, and brake safe is reliable.Make full use of space, return spring is arranged in piston, effectively compressed break axial dimension.There is friction disc wear detection device, facilitated break operation and maintenance.
Description
technical field:
The utility model relates to a kind of vehicle bridge rim brake, particularly a kind of vehicle bridge wheel limit multi-disc disc type wet brake.
background technique:
At home, overwhelming majority transportation at present and engineering vehicle bridge adopt dry brake, as drum brake or caliper disc brake.The natural air cooled structure of the general employing of dry brake, cooling effect is poor compared with oil cooling, makes the thermostability variation of friction plate, and braking effect is affected.In addition, at some special occasions, as environment such as dust work, collieries, requirement is dustproof, explosion-proof, and dry brake does not possess above function.Vehicle multi-disc disc type wet brake is oil immersed type full-closed structure, has higher serviceability and reliability (be 3～5 times of dry brake its working life, and braking capacity is large, and braking ability is good); The plurality of advantages such as heat resistanceheat resistant decline and contamination resistance are strong, freedom from repairs, are applicable to the severe working environments such as engineering machinery, mining machinery, become the development trend of break product, are widely used abroad in vehicle bridge product.In order to realize special operation condition operation and to improve brake performance, wet brake market prospects are good, and at present domestic relevant producer is setting foot in this field, but the wet brake complex structure of each producer at present, expensive, versatility is poor.
summary of the invention:
The purpose of this utility model is exactly in order to overcome the above problems, provide a kind of simple in structure, versatility better, convenient, the moderate vehicle bridge wheel of mounting or dismounting multi-disc disc type wet brake for limit.
The technological scheme that realizes the utility model object is: this wet brake comprises: break connecting bolt, friction disc wear detection device and friction disc wear regulating mechanism, return spring, return bolt, piston in combination oil sealing, pressure hydraulic fluid port, break inner housing, piston, brake shell body, active friction plate, passive steel disc, baffle plate, brake oil seal and wheel hub;
Break inner housing, brake shell body and end cap link into an integrated entity at the equally distributed break connecting bolt of circumferencial direction by several, and described break connecting bolt comprises spring washer; Break inner housing is directly fixed on brake assembly on vehicle bridge flange by bolt, is shaped with external splines on wheel hub, and active friction plate is connected with wheel hub external splines by its internal spline, and active friction plate can slide vertically on wheel hub spline; On brake shell body, be shaped with internal spline, it is spacing that its clearance groov position has baffle plate to be used for; External splines on passive steel disc is connected with the internal spline of brake shell body or is connected with brake shell body by bearing pin; Active friction plate, passive steel disc are arranged in order layout, and active friction plate and passive steel disc form friction pair; Be not less than the polished rod portion of return bolt that six groups of return springs are evenly arranged in the equal number of internal piston, one end of return spring contacts with return bolt, and the other end contacts with piston cavity; Return bolton is on break inner housing; Piston in combination oil sealing adopts y-type seal ring or implements the sealing in piston pressure chamber with the combination of O type circle; On break inner housing, be provided with friction disc wear detection device and friction disc wear regulating mechanism, can be used for observing and adjusting friction compensation pad wear, on break inner housing, be also provided with pressure hydraulic fluid port; Between wheel hub and brake shell body, there is brake oil seal.
Beneficial effect, owing to having adopted such scheme, break inner housing, brake shell body or end cap link into an integrated entity at the equally distributed break connecting bolt of circumferencial direction by several; Break inner housing is directly fixed on brake assembly on vehicle bridge flange by bolt, and brake assembly can be fitted in vehicle bridge or dismounting by integral installation, without disintegration; Wheel hub is connected with main frame wheel rim, tire with rim bolt, rim nut by seam, is shaped with external splines, material selection Cast Steel or the forging of wheel hub on wheel hub.Active friction plate is connected with wheel hub external splines by its internal spline, and active friction plate can slide vertically on wheel hub spline.On brake shell body, be shaped with internal spline, it is spacing that its clearance groov position has baffle plate to be used for; External splines on passive steel disc is connected with the internal spline of brake shell body or is connected with brake shell body by pin or ear seat.Active friction plate, passive steel disc are arranged in order layout, according to the size in break space, rationally adjust the quantity that above friction pair is active friction plate and passive steel disc, to meet braking moment demand.The above return spring of six groups or six groups is evenly arranged in the polished rod portion of return bolt of the equal number of internal piston, its one end contacts with return bolt, the other end contacts with piston cavity, return bolton is on break inner housing, and utilize step accurately to locate, to guarantee that return spring has identical work pretightening force.Brake oil is enclosed in when axial space allows can adopt float grease seal sealing, also can adopt rotation box-type oil seal or rotation skeleton oil seal.Piston in combination oil sealing adopts y-type seal ring or implements the sealing in piston pressure chamber with the combination of O type circle.Wet brake is provided with friction disc wear detection device and friction disc wear regulating mechanism, for observing and adjusting.
Piston under the effect of hydraulic fluid pressure, mobile pressing friction sheet, steel disc vertically, thus realize car brakeing.During brake off, hydraulic oil is discharged from piston pressure chamber, and piston resets under return spring effect; Piston oil seal plays the effect of the inside and outside height of packed-piston force feed.The present invention is simple and practical, easy to loading and unloading; The mode of braking that adopts braking vehicle bridge low speed end wheel hub, heating value is little, good heat dissipation; Break is not subject to external environment condition pollute and affect, and brake safe is reliable.
Advantage: simple in structure, easy to loading and unloading, can directly exchange with former vehicle bridge dry brake, vehicle bridge housing and axle tube and inside and outside bearing are without replacing; The mode of braking that adopts braking vehicle bridge low speed end wheel hub, heating value is little, good heat dissipation; Break is not subject to external environment condition pollute and affect, and brake safe is reliable.Make full use of space, return spring is arranged in piston, effectively compressed break axial dimension.There is friction disc wear detection device, facilitated break operation and maintenance.
Can be used for the braking of vehicle drive axle and dead axle, be specially adapted to the occasion of the demand wet braking of severe working environments such as preventing dust, explosion-proof.
accompanying drawing explanation:
Fig. 1 is structural drawing of the present utility model.
In figure 1, break connecting bolt; 2, friction disc wear detection device and friction disc wear regulating mechanism; 3, inner bearing and adjustment pad; 4, return spring; 5, return bolt; 6, piston in combination oil sealing; 7, pressure hydraulic fluid port; 8, break inner housing; 9, piston; 10, brake shell body; 11, active friction plate; 12, passive steel disc; 13, baffle plate; 14, brake oil seal; 15, wheel hub; 16, outer bearing.
embodiment:
Embodiment: a kind of vehicle bridge wheel limit comprises that with multi-disc disc type wet brake brake shell body 10, break inner housing 8, piston 9, piston in combination oil sealing 6, friction pair are active friction plate 11 and passive steel disc 12, baffle plate 13, return spring 4, return bolt 5, wheel hub 15, friction disc wear detection device and friction disc wear regulating mechanism 2; Break inner housing 8, brake shell body 10 and end cap link into an integrated entity at the equally distributed break connecting bolt 1 of circumferencial direction by several, and described break connecting bolt 1 comprises spring washer; Break inner housing 8 is directly fixed on brake assembly on vehicle bridge flange by bolt, and brake assembly can be fitted in vehicle bridge or dismounting by integral installation, without disintegration; Wheel hub 15 is connected with main frame wheel rim, tire with rim bolt, rim nut by seam, is shaped with external splines, material selection Cast Steel or the forging of wheel hub 15 on wheel hub 15.Active friction plate 11 is connected with wheel hub 15 external spliness by its internal spline, and active friction plate 11 can slide vertically on wheel hub 15 splines; On brake shell body 10, be shaped with internal spline, it is spacing that its clearance groov position has baffle plate 13 to be used for; External splines on passive steel disc 12 is connected with the internal spline of brake shell body 10 or is connected with brake shell body 10 by bearing pin; Active friction plate 11, passive steel disc 12 are arranged in order layout, and active friction plate 11 and passive steel disc 12 form friction pair; According to the size in break space, rationally adjust the quantity that above friction pair is active friction plate 11 and passive steel disc 12, to meet braking moment demand.Be not less than the polished rod portion of return bolt 5 that six groups of return springs 4 are evenly arranged in the equal number of piston 9 inside, one end of return spring 4 contacts with return bolt 5, and the other end contacts with piston 9 inner chambers; Return bolt 5 is fastened on break inner housing 8, and utilizes step accurately to locate, to guarantee that return spring 4 has identical work pretightening force; Brake oil seal 14 can adopt float grease seal sealing when axial space allows, and also can adopt rotation box-type oil seal or rotation skeleton oil seal; Piston in combination oil sealing 6 adopts y-type seal ring or implements the sealing in piston pressure chamber with the combination of O type circle; On break inner housing 8, be provided with friction disc wear detection device and friction disc wear regulating mechanism 2, can be used for observing and adjusting friction compensation pad wear, on break inner housing 8, be also provided with pressure hydraulic fluid port 7.
In the interior order of wheel hub 15, there are outer bearing 16 and inner bearing and adjust pad 3; Between wheel hub 15 and brake shell body 10, there is brake oil seal 14.
Working principle: during vehicle to run, wheel hub 15 together rotates with axle half shafts or planetary wheel carrier.During car brakeing, hydraulic oil or the brake oil with setting pressure enter the hyperbaric chamber of piston 9 from pressure hydraulic fluid port 2; Piston 9 moves vertically under retardation pressure effect, compression retracteding position spring, and overcome spring force and frictional force pressing friction pair is active friction plate 11, passive steel disc 12 simultaneously; After friction pair is compacted, static break inner housing 8 hinders the rotation of wheel hub 15 by friction pair, thereby brake hub 15 is realized car brakeing.During brake off, hydraulic oil is discharged from piston 9 pressure chambers, and piston 9 resets under the spring-force driven dual of return spring 4, friction pair is active friction plate 11,12 separation of passive steel disc, thereby brake off, now wheel hub 15 recovers relative movement, normal vehicle operation with static break inner housing 8.Piston in combination oil sealing 6 plays the effect of the inside and outside high and low force feed of packed-piston 9 pressure chambers.On break inner housing 8, be provided with friction disc wear detection device and regulating mechanism 2, by the position dimension of indirect detection piston, understand the abrasion condition of friction plate; The position that simultaneously regulates regulating mechanism 2 is friction compensation pad wear within the specific limits.
Embodiment 2: described piston in combination oil sealing 6 adopts y-type seal ring to implement the sealing in piston pressure chamber.Other and embodiment 1 are together.
Claims (1)
1. a multi-disc disc type wet brake for vehicle bridge wheel limit, is characterized in that: this wet brake comprises: break connecting bolt, friction disc wear detection device and friction disc wear regulating mechanism, return spring, return bolt, piston in combination oil sealing, pressure hydraulic fluid port, break inner housing, piston, brake shell body, active friction plate, passive steel disc, baffle plate, brake oil seal and wheel hub;
Break inner housing, brake shell body and end cap link into an integrated entity at the equally distributed break connecting bolt of circumferencial direction by several, and described break connecting bolt comprises spring washer; Break inner housing is directly fixed on brake assembly on vehicle bridge flange by bolt, is shaped with external splines on wheel hub, and active friction plate is connected with wheel hub external splines by its internal spline, and active friction plate can slide vertically on wheel hub spline; On brake shell body, be shaped with internal spline, it is spacing that its clearance groov position has baffle plate to be used for; External splines on passive steel disc is connected with the internal spline of brake shell body or is connected with brake shell body by bearing pin; Active friction plate, passive steel disc are arranged in order layout, and active friction plate and passive steel disc form friction pair; Be not less than the polished rod portion of return bolt that six groups of return springs are evenly arranged in the equal number of internal piston, one end of return spring contacts with return bolt, and the other end contacts with piston cavity; Return bolton is on break inner housing; Piston in combination oil sealing adopts y-type seal ring or implements the sealing in piston pressure chamber with the combination of O type circle; On break inner housing, be provided with friction disc wear detection device and friction disc wear regulating mechanism, can be used for observing and adjusting friction compensation pad wear, on break inner housing, be also provided with pressure hydraulic fluid port; Between wheel hub and brake shell body, there is brake oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227968.3U CN203939896U (en) | 2014-05-06 | 2014-05-06 | A kind of vehicle bridge wheel multi-disc disc type wet brake for limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227968.3U CN203939896U (en) | 2014-05-06 | 2014-05-06 | A kind of vehicle bridge wheel multi-disc disc type wet brake for limit |
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|---|---|
| CN203939896U true CN203939896U (en) | 2014-11-12 |
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|---|---|---|---|
| CN201420227968.3U Expired - Fee Related CN203939896U (en) | 2014-05-06 | 2014-05-06 | A kind of vehicle bridge wheel multi-disc disc type wet brake for limit |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235662A (en) * | 2015-11-10 | 2016-01-13 | 徐州科源液压股份有限公司 | Service brake of mining rubber-tyred vehicle dead axle |
| CN105383455A (en) * | 2015-11-02 | 2016-03-09 | 徐州徐工传动科技有限公司 | Wet brake drive axle |
| CN105650147A (en) * | 2015-02-04 | 2016-06-08 | 湖北康晨安宝矿业设备有限责任公司 | Hydraulic brake device |
| CN106195078A (en) * | 2016-07-21 | 2016-12-07 | 吴林 | Self-adjustable environmental protection clutch brake |
| CN106884895A (en) * | 2017-04-21 | 2017-06-23 | 重庆齿轮箱有限责任公司 | A kind of freely falling body clutch |
| CN106979261A (en) * | 2017-04-28 | 2017-07-25 | 徐工集团工程机械有限公司 | Reductor |
| CN107191513A (en) * | 2017-04-01 | 2017-09-22 | 重庆电子工程职业学院 | New-energy automobile gear box hydraulic formula brake apparatus |
| CN107299946A (en) * | 2017-08-23 | 2017-10-27 | 龙岩文伍车桥制造有限公司 | A kind of wet multi-disc brake |
| CN110043583A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | Drive axle and its brake assembly |
| 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 |
| CN110701218A (en) * | 2019-09-24 | 2020-01-17 | 内蒙古北方重型汽车股份有限公司 | Oil-cooled multi-disc type service brake of mining dump truck and assembly thereof |
| CN111692243A (en) * | 2020-06-24 | 2020-09-22 | 徐州徐工矿业机械有限公司 | Multi-piston wet brake of electric drive mining dump truck |
| CN113757273A (en) * | 2021-08-20 | 2021-12-07 | 北京工业大学 | Multi-piece friction-hydraulic composite brake support bridge |
-
2014
- 2014-05-06 CN CN201420227968.3U patent/CN203939896U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650147A (en) * | 2015-02-04 | 2016-06-08 | 湖北康晨安宝矿业设备有限责任公司 | Hydraulic brake device |
| CN105383455A (en) * | 2015-11-02 | 2016-03-09 | 徐州徐工传动科技有限公司 | Wet brake drive axle |
| CN105235662B (en) * | 2015-11-10 | 2017-09-05 | 徐州科源液压股份有限公司 | A kind of mining rubber-tired cart dead axle running brake |
| CN105235662A (en) * | 2015-11-10 | 2016-01-13 | 徐州科源液压股份有限公司 | Service brake of mining rubber-tyred vehicle dead axle |
| CN106195078A (en) * | 2016-07-21 | 2016-12-07 | 吴林 | Self-adjustable environmental protection clutch brake |
| CN106195078B (en) * | 2016-07-21 | 2018-10-02 | 吴林 | Self-adjustable environmental protection clutch brake |
| CN107191513A (en) * | 2017-04-01 | 2017-09-22 | 重庆电子工程职业学院 | New-energy automobile gear box hydraulic formula brake apparatus |
| CN106884895A (en) * | 2017-04-21 | 2017-06-23 | 重庆齿轮箱有限责任公司 | A kind of freely falling body clutch |
| CN106884895B (en) * | 2017-04-21 | 2023-04-18 | 重庆齿轮箱有限责任公司 | Free-falling body clutch |
| CN106979261A (en) * | 2017-04-28 | 2017-07-25 | 徐工集团工程机械有限公司 | Reductor |
| CN107299946B (en) * | 2017-08-23 | 2023-04-14 | 龙岩文伍车桥制造有限公司 | Wet-type polydisc stopper |
| CN107299946A (en) * | 2017-08-23 | 2017-10-27 | 龙岩文伍车桥制造有限公司 | A kind of wet multi-disc brake |
| CN110043583A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | Drive axle and its brake assembly |
| CN110043583B (en) * | 2019-04-28 | 2024-05-24 | 浙江金道科技股份有限公司 | Driving axle and brake assembly thereof |
| 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 |
| CN110701218A (en) * | 2019-09-24 | 2020-01-17 | 内蒙古北方重型汽车股份有限公司 | Oil-cooled multi-disc type service brake of mining dump truck and assembly thereof |
| CN111692243A (en) * | 2020-06-24 | 2020-09-22 | 徐州徐工矿业机械有限公司 | Multi-piston wet brake of electric drive mining dump truck |
| CN111692243B (en) * | 2020-06-24 | 2021-12-21 | 徐州徐工矿业机械有限公司 | Multi-piston wet brake of electric drive mining dump truck |
| CN113757273A (en) * | 2021-08-20 | 2021-12-07 | 北京工业大学 | Multi-piece friction-hydraulic composite brake support bridge |
| CN113757273B (en) * | 2021-08-20 | 2022-06-21 | 北京工业大学 | Multi-piece friction-hydraulic composite braking support bridge |
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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 |
Granted publication date: 20141112 Termination date: 20150506 |
|
| EXPY | Termination of patent right or utility model |