CN102494055A - Multi-disk wet-type brake for loading machine - Google Patents
Multi-disk wet-type brake for loading machine Download PDFInfo
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- CN102494055A CN102494055A CN2011104006554A CN201110400655A CN102494055A CN 102494055 A CN102494055 A CN 102494055A CN 2011104006554 A CN2011104006554 A CN 2011104006554A CN 201110400655 A CN201110400655 A CN 201110400655A CN 102494055 A CN102494055 A CN 102494055A
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Abstract
The invention relates to a multi-disk wet-type brake for a loading machine, and belongs to the technical field of mechanical braking. The multi-disk wet-type brake for the loading machine is characterized in that: a planet wheel carrier is arranged on a wheel shell; a check ring, a left bearing plate, a right bearing plate, friction sheets and braking sheets are arranged in a brake shell; the check ring is used for limiting the left bearing plate, the right bearing plate and the friction sheets and the braking sheets which are arranged at intervals in the brake shell; the brake shell is connected with an oil cylinder and a supporting shaft through bolts to form a whole; the supporting shaft is fixed with a bridge shell; the friction sheets which are arranged at intervals are connected with the wheel shell through a spline, and can move along an axial direction; the braking sheets which are arranged at intervals, the left bearing plate and the right bearing plate are connected with the brake shell through splines, and can move along the axial direction; and a piston of the oil cylinder can move along the axial direction to push the bearing plates, and is provided with a resetting mechanism. The multi-disk wet-type brake has the advantages of simple structure, convenience for assembly and disassembly, steady braking property, safe and reliable performance, high sealing and heat dissipation performance, low cost, long service life and the like.
Description
Technical field
The invention belongs to the mechanical braking technical field, particularly relate to a kind of loader and use multi-disk wet brake.
Background technique
At present, what engineering machinery loader ransaxle generally adopted with break is the dry type caliper disc brake, for wet brake; Though caliper disc brake is simple in structure, braking ability stable; But have distinct disadvantage: 1, owing to be exposed to the outside all the time, brake disc very easily is stained with greasy dirt, and corrosion takes place; Influence braking effect, have very big potential safety hazard; 2, single-deck friction catch area is little, and unit pressure is high, and operating temperature is high, and radiating condition is poor, and Properties of Friction Materials is had relatively high expectations.The drawbacks limit that dry brake is difficult to overcome the using scope of respective drive bridge, the research and development that are used for the wet brake of ransaxle become the main flow of loader ransaxle research and development.The braking model of wet type ransaxle mainly contains 3 kinds at present: 1, totally-enclosed absolute construction wet brake, and the mounting point of this break is similar to the mounting point of dry type caliper disc brake, is positioned at the wheel hub inboard; 2, centralized wet brake, this break is installed in the main reducing gear, is located on the ransaxle middle part with main reducing gear one; 3, be installed in the interior wet brake of wheel reductor.There is complex structure in existing wet brake as a kind of full-closed structure, poor stop, and it is not steady to work, and uses to receive the order technical problem such as short.
Summary of the invention
The technical problem of the present invention for existing in the solution known technology, and provide a kind of loader to use multi-disk wet brake.
The purpose of this invention is to provide a kind of have simple in structure, easy accessibility, braking steadily, the loader of characteristics such as performance is safe and reliable, and sealing and thermal diffusivity are good, and cost is low, and the life-span is long is used multi-disk wet brake.
The technological scheme that loader of the present invention uses multi-disk wet brake to take for the problem that solves the existing technology existence is:
A kind of loader is used multi-disk wet brake; Be characterized in: hub is installed on planetary wheel carrier, and back-up ring, left and right sides bearing plate, friction plate and braking plate are arranged in the brake casing, and back-up ring is limited in left and right sides bearing plate, spaced friction plate and braking plate in the brake casing; Brake casing and oil cylinder, supporting axle link into an integrated entity through bolt; Supporting axle and axle housing are fixed, and spaced friction plate has spline to be connected with hub to move vertically, and spaced braking plate, left and right sides bearing plate have spline to be connected with brake casing to move vertically; The piston of oil cylinder can move the pushing bearing plate vertically, and piston is provided with resetting-mechanism.
Loader of the present invention can also adopt following technical measures with multi-disk wet brake:
Described loader is used multi-disk wet brake, is characterized in: be provided with the sealing of 2-6 road between piston and oil cylinder.
Described loader is used multi-disk wet brake, is characterized in: piston reset mechanism is the spring returning device that is provided with between piston and the oil cylinder.
Described loader is used multi-disk wet brake, is characterized in: the spring returning device is formed by connecting piston, oil cylinder and spring screw bolt and nut, and spring housing is positioned in the oil cylinder on bolt.
Described loader is used multi-disk wet brake, is characterized in: friction plate has liner, and liner adopts paper friction material, is provided with the square structure groove.
Structure of the present invention is described: hub directly links to each other with planetary wheel carrier, together rotates with planetary wheel carrier; Between hub and brake casing seal arrangement is arranged; Brake casing is connected with piston, and piston is connected with supporting axle, and supporting axle is connected with axle housing, does not have relative movement to each other.
Back-up ring, left bearing plate, spaced apart multi-disc friction sheet and multi-disc braking plate, right bearing plate are installed in the brake casing.Wherein the multi-disc friction sheet is connected through spline with hub; Together rotate and can move axially with hub in the hub upper edge; Left side bearing plate, multi-disc braking plate, right bearing plate are connected through spline with brake casing, are fixed together with brake casing and also can in brake casing, move vertically; Left and right sides bearing plate is clipped in the middle spaced apart multi-disc friction sheet and multi-disc braking plate, the left side by the back-up ring axially locating in brake casing.
The friction plate liner adopts paper friction material, and tank structure adopts grid groove structure, can guarantee that enough cold oils flow through, and produces eddy current and make cooling effect be able to further reinforcement at each place, oil groove point of intersection.
Piston adopts dish configuration, and the thin circumference punishment of outer shroud is furnished with a plurality of holes, passes in order to bolt, and bolts and nuts, spring cooperate, and piston return spring power is provided; Piston right-hand member flange inserts the oil cylinder oil groove, can move axially along the oil cylinder oil groove.
Oil cylinder is provided with a plurality of axial deep holes, and spring holder is limited in the deep hole on bolt; Be provided with four seal grooves in the oil cylinder oil groove, in order to a plurality of seal rings to be installed; The oil cylinder sidewall has oil channel hole, in order to external hydraulic oil pipe.
Braking principle: during braking, hydraulic oil gets into the oil cylinder oil groove through oil duct on the oil cylinder sidewall, provides oil pressure to promote to be inserted in the piston in the oil groove, and piston produces axial motion to the bearing plate direction; Bolt, nut on the piston move simultaneously, make length of spring compressed, produce length of spring compressed power; Piston motion to right bearing plate place, stressed the moving vertically left of right bearing plate compresses friction plate and braking plate, produces braking moment and through hub planetary wheel carrier braked; During brake off, the hydraulic oil pressure release, spring is discharged by compressive state, produces thrust and promotes bolt, bolt, nut pulling piston return, brake off.
Advantage and good effect that the present invention has are:
Owing to adopted brand-new technology scheme of the present invention, compared with prior art, the present invention has simple in structure loader with multi-disk wet brake, easy accessibility, and braking is steady, and sealing and thermal diffusivity are good, and cost is low, advantages such as life-span length.
Description of drawings
Fig. 1 is the structural representation of loader of the present invention with multi-disk wet brake.
Among the figure, 1-planetary wheel carrier, 2-hub, 3-brake casing, 4-back-up ring, 5-bearing plate, 6-friction plate; The 7-braking plate, 8-piston, 9-nut, 10-sealing, 11-sealing, 12-sealing; The 13-sealing, 14-spring, 15-bolt, 16-oil cylinder, 17-supporting axle, 18-axle housing.
Embodiment
For further understanding technology contents of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
With reference to accompanying drawing 1.
Embodiment 1
A kind of loader is used multi-disk wet brake; Hub 2 is installed on planetary wheel carrier 1; Back-up ring 4, left bearing plate 5, right bearing plate, friction plate 6 and braking plate 7 are arranged in the brake casing 3; Back-up ring 4 is limited in left bearing plate 5, spaced friction plate 6 and braking plate 7, right bearing plate in the brake casing 3, and brake casing 3 and oil cylinder 16, supporting axle 17 link into an integrated entity through bolt, and supporting axle 17 is fixing with axle housing 18; Spaced friction plate 6 has spline to be connected with hub 2 to move vertically; Spaced braking plate 7, left bearing plate 5, right bearing plate have spline to be connected with brake casing 3 to move vertically, and the piston 8 of oil cylinder 16 can move the pushing bearing plate vertically, and piston 8 is provided with resetting-mechanism.
16 of piston 8 and oil cylinders are provided with 4 roads sealing 10, sealing 11, sealing 12 and seal 13.Piston 8 resetting-mechanisms are the spring returning device that is provided with between piston 8 and the oil cylinder 16.The spring returning device is formed by connecting piston 8, oil cylinder 16 and spring 14 on bolt 15 and nut 9, and spring 14 is enclosed within on the bolt 15 and is positioned in the oil cylinder 16.Friction plate has liner, and liner adopts paper friction material, is provided with the square structure groove.
The concrete structure of present embodiment and braking process thereof:
Loader is used the multi-disk wet brake concrete structure: hub 2 is directly installed with planetary wheel carrier 1; Back-up ring 4 is limited in the spaced friction plate of left bearing plate 5, a group 6, braking plate 7 and right bearing plate in the brake casing 3; Brake casing 3 links into an integrated entity through bolt respectively with oil cylinder 16, supporting axle 17; Supporting axle 17 is fixing with axle housing 18; Multi-disc friction sheet 6 is connected through spline with hub 2 and can moves vertically, and multi-disc braking plate 7, left bearing plate 5, right bearing plate are connected through spline with brake casing 3 and can move vertically, and piston 8 can move in oil cylinder 16 vertically; Be provided with multi-sealed 10, sealing 11, sealing 12 between the two and seal 13, be provided with a plurality of spring returning devices between piston 8 and the oil cylinder 16.
During braking, hydraulic oil gets into the oil cylinder oil groove through oil duct on oil cylinder 16 sidewalls, provides oil pressure to promote to be inserted in the piston 8 right-hand member flanges in the oil groove, and piston 8 produces axial motion to the bearing plate direction; Bolt 15 on the piston 8, nut 9 move simultaneously, and a plurality of springs 14 are compressed simultaneously, produce length of spring compressed power; Piston 8 moves to right bearing plate place, and stressed the moving vertically left of right bearing plate compresses friction plate 6 and braking plate 7, produces braking moment and through hub 2 planetary wheel carrier 1 is braked; During brake off, the hydraulic oil pressure release, a plurality of springs 14 are discharged by compressive state simultaneously, produce thrust and promote bolt 15, bolt 15, nut 9 pulling pistons 8 returns, brake off.
Claims (5)
1. a loader is used multi-disk wet brake; It is characterized in that: hub (2) is installed on planetary wheel carrier (1); Back-up ring (4), left and right sides bearing plate (5), friction plate (6) and braking plate (7) are arranged in the brake casing (3); Back-up ring (4) is limited in left and right sides bearing plate (5), spaced friction plate (6) and braking plate (7) in the brake casing (3); Brake casing (3) links into an integrated entity through bolt with oil cylinder (16), supporting axle (17); Supporting axle (17) and axle housing (18) are fixing, and spaced friction plate (6) has spline to be connected with hub (2) to move vertically, and spaced braking plate (7), left and right sides bearing plate (5) have spline to be connected with brake casing (3) to move vertically; The piston (8) of oil cylinder (16) can move the pushing bearing plate vertically, and piston (8) is provided with resetting-mechanism.
2. use multi-disk wet brake according to the described loader of claim 1, it is characterized in that: be provided with the sealing of 2-6 road between piston (8) and oil cylinder (16).
3. use multi-disk wet brake according to the described loader of claim 1, it is characterized in that: piston (8) resetting-mechanism is the spring returning device that is provided with between piston (8) and the oil cylinder (16).
4. use multi-disk wet brake according to the described loader of claim 3; It is characterized in that: the spring returning device is formed by connecting piston (8), oil cylinder (16) and spring (14) on bolt (15) and nut (9), and spring (14) is enclosed within on the bolt (15) and is positioned in the oil cylinder (16).
5. use multi-disk wet brake according to the described loader of claim 1, it is characterized in that: friction plate has liner, and liner adopts paper friction material, is provided with the square structure groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104006554A CN102494055A (en) | 2011-12-06 | 2011-12-06 | Multi-disk wet-type brake for loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104006554A CN102494055A (en) | 2011-12-06 | 2011-12-06 | Multi-disk wet-type brake for loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102494055A true CN102494055A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104006554A Pending CN102494055A (en) | 2011-12-06 | 2011-12-06 | Multi-disk wet-type brake for loading machine |
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| CN (1) | CN102494055A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927164A (en) * | 2012-10-10 | 2013-02-13 | 江苏大学 | Soft brake employing liquid viscosity |
| CN103322097A (en) * | 2013-07-10 | 2013-09-25 | 常州南车铁马科技实业有限公司 | Heavy duty truck wet-type multiple-disk brake |
| CN103486159A (en) * | 2013-10-12 | 2014-01-01 | 重庆大江工业有限责任公司 | Driving and parking dual-purpose wet-type multi-piece brake |
| CN103496356A (en) * | 2013-09-27 | 2014-01-08 | 徐工集团工程机械股份有限公司科技分公司 | Assembly type drive axle of built-in wet type brake wheel edge |
| CN103910300A (en) * | 2014-03-06 | 2014-07-09 | 武汉船用机械有限责任公司 | Winding mechanism |
| CN105313854A (en) * | 2014-08-01 | 2016-02-10 | 绩溪县徽洋车桥有限责任公司 | Hydraulic steering wet brake front axle |
| CN105402283A (en) * | 2016-01-02 | 2016-03-16 | 玉林市富山液压件制造有限公司 | Wet-type vehicle 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 |
| CN107218320A (en) * | 2017-08-01 | 2017-09-29 | 北京理工大学 | Electric current becomes retarder brake |
| CN110043585A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | A kind of wet-type braking driving axle |
| 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 |
| CN110043586A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | Drive axle and its input assembly |
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| CN101823433A (en) * | 2010-05-21 | 2010-09-08 | 徐工集团工程机械股份有限公司科技分公司 | Wet braking drive axle and loading machine with same |
| CN101846149A (en) * | 2010-05-26 | 2010-09-29 | 厦门大学 | Multi-disc brake |
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| US5535850A (en) * | 1994-02-24 | 1996-07-16 | Raba Magyar Vagon-Es Gepgyar Rt. | Driven axle assembly for vehicles with a lubricant circulation system |
| JP2000161403A (en) * | 1998-11-26 | 2000-06-16 | Mitsubishi Heavy Ind Ltd | Wet type multiplate brake |
| US20070034458A1 (en) * | 2005-08-15 | 2007-02-15 | Rogers Ralph F | Gearbox brake for mining machinery |
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| CN101823433A (en) * | 2010-05-21 | 2010-09-08 | 徐工集团工程机械股份有限公司科技分公司 | Wet braking drive axle and loading machine with same |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927164A (en) * | 2012-10-10 | 2013-02-13 | 江苏大学 | Soft brake employing liquid viscosity |
| CN103322097A (en) * | 2013-07-10 | 2013-09-25 | 常州南车铁马科技实业有限公司 | Heavy duty truck wet-type multiple-disk brake |
| CN103322097B (en) * | 2013-07-10 | 2016-02-03 | 常州南车铁马科技实业有限公司 | Heavy duty truck wet-type multiple-disk brake |
| CN103496356B (en) * | 2013-09-27 | 2016-03-02 | 徐州徐工传动科技有限公司 | Built-in wet braking wheel limit build-up type drive axle |
| CN103496356A (en) * | 2013-09-27 | 2014-01-08 | 徐工集团工程机械股份有限公司科技分公司 | Assembly type drive axle of built-in wet type brake wheel edge |
| CN103486159A (en) * | 2013-10-12 | 2014-01-01 | 重庆大江工业有限责任公司 | Driving and parking dual-purpose wet-type multi-piece brake |
| CN103486159B (en) * | 2013-10-12 | 2015-12-23 | 重庆大江工业有限责任公司 | The wet multi-disk brake that driving parking is dual-purpose |
| CN103910300A (en) * | 2014-03-06 | 2014-07-09 | 武汉船用机械有限责任公司 | Winding mechanism |
| CN105313854A (en) * | 2014-08-01 | 2016-02-10 | 绩溪县徽洋车桥有限责任公司 | Hydraulic steering wet brake front axle |
| CN105313854B (en) * | 2014-08-01 | 2018-05-15 | 绩溪县徽洋车桥有限责任公司 | Bridge before a kind of fluid-link steering wet braking |
| CN105402283A (en) * | 2016-01-02 | 2016-03-16 | 玉林市富山液压件制造有限公司 | Wet-type vehicle 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 |
| CN107218320A (en) * | 2017-08-01 | 2017-09-29 | 北京理工大学 | Electric current becomes retarder brake |
| CN110043585A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | A kind of wet-type braking driving axle |
| 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 |
| CN110043586A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | Drive axle and its input assembly |
| CN110043586B (en) * | 2019-04-28 | 2024-02-20 | 浙江金道科技股份有限公司 | Driving axle and input assembly thereof |
| CN110043585B (en) * | 2019-04-28 | 2024-02-20 | 浙江金道科技股份有限公司 | Wet braking drive axle |
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Application publication date: 20120613 |