CN205001420U - Pretightning force adjustable multi -disc wet brakes - Google Patents
Pretightning force adjustable multi -disc wet brakes Download PDFInfo
- Publication number
- CN205001420U CN205001420U CN201520762421.8U CN201520762421U CN205001420U CN 205001420 U CN205001420 U CN 205001420U CN 201520762421 U CN201520762421 U CN 201520762421U CN 205001420 U CN205001420 U CN 205001420U
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- service brake
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Abstract
The utility model belongs to engineering machinery, concretely relates to pretightning force adjustable multi -disc wet brakes can realize three kinds of modes of parking braking, service brake and emergency braking. It is including connection casing, screw, rectangular cross section spring, spring plate, middle cylinder body, parking braking piston, service brake piston, inner friction piece, external friction plate, integral key shaft etc. Connection casing, middle cylinder body, integral key shaft and stopper casing become a whole by the screw connection, form the stopper inner chamber. The inner friction piece passes through the internal spline with the integral key shaft to be connected, and external friction plate passes through the external splines with the braking casing and is connected. Interior, external friction plate arrange in alternate. Between cylinder body and the friction disc, the parking braking piston is located to be connected between casing and the middle cylinder body in the middle of the service brake piston was located. The utility model discloses simple structure, the braking is steady, sealed and good heat dissipation, use easy maintenance, anti abominable environmental factor influence can the reinforce to be favorable to the car brakeing reliability.
Description
Technical field
The utility model belongs to engineering machinery field, is specifically related to the multi-disk wet brake that a kind of pretightening force is adjustable.
Background technique
In current colliery and various rugged environment engineering, the application of engineering vehicle is increasingly extensive, and mostly travels under rugged environment, therefore to the requirement also corresponding raising of the braking device of vehicle due to engineering vehicle.
Break, as important parts, is the Focal point and difficult point of Car design always, and in existing break, have employed caliper disc brake, it is relative to traditional drum brake, has braking moment and stablizes, the advantages such as heat resistanceheat resistant is failed, and the ability of water fade is very excellent.
But caliper disc brake belongs to dry brake, the cool condition of dry brake is not as good as oil injection type, thermostability after friction facing is heated is influenced, so very high to the requirement of friction plate, the normal temperature stability adopting the measures such as the organic principle of heat-resisting tackiness agent, minimizing liner, interpolation Copper and its alloy to improve friction plate.
In recent years along with requirement braking ability being required to strict vehicle and various operating mode, multi-disk wet brake obtains applying more and more widely.If can wet brake is applied on automobile, change the working method of automotive brake, just can solve the problem.
Model utility content
The purpose of this utility model is to provide the adjustable multi-disk wet brake of a kind of pretightening force, have that insensitivity is good, reliability is high, physical dimension is little, be easy to the features such as maintenance, can by three function i ntegration such as service brake, parking braking and emergency brakings in a break, and can after hydraulic system breaks down manual brake off.
For this reason, the utility model provides the adjustable multi-disk wet brake of a kind of pretightening force, comprise the bearing housing be arranged on wheel shaft, bearing housing is installed with splined shaft by bearing outside rear portion, connection housing is connected by screw outside bearing housing upper forepart, conflict central housing in the outer position of connection case inside, the central housing the other end is connected to cover plate, makes connection housing, central housing, forms braking cavity between cover plate and splined shaft;
Rectangular Section Spring is provided with in described braking cavity, parking braking piston, service brake piston and multi-disc brake sheet, described connection inner walls is provided with spring cavity, Rectangular Section Spring is contained in this spring cavity, one end of Rectangular Section Spring is in spring cavity, the other end is conflicted on parking braking piston, the parking braking piston the other end is conflicted on driving brake piston, the service brake piston the other end is conflicted on multi-disc brake sheet, multi-disc brake sheet is connected to splined shaft for braking splined shaft, the other end of multi-disc brake sheet is conflicted on cover plate inwall, described central housing is provided with and is communicated with the outside hydraulic oil channel with braking cavity of central housing, described service brake piston and the surface of contact of parking braking piston are positioned at hydraulic oil channel inner end positions.
Described connection housing is also provided with Cock screw, also spring bearer plate is housed in spring cavity in connection housing, described Cock screw penetrates connection housing, and its inner acts on spring bearer plate, and described Rectangular Section Spring acts on spring bearer plate another side.
Also guider screw is housed in described braking cavity, guider screw to be fixed on central housing and to be consistent with service brake piston movement direction, on guider screw, cover has Returnning spring, and guider screw bottom is passed service brake piston and Returnning spring is seated on service brake piston.
Described central housing is also provided with and is communicated with the outside exhaust passage with braking cavity of central housing.
Described multi-disc brake sheet comprises many groups of outside friction discs and inner attrition piece that are intervally arranged, and described outside friction disc is arranged on central housing inwall, and described inner attrition piece is arranged on splined shaft outer wall.
The star-like circle of hole back-up ring and hole is provided with between described parking braking piston and central housing, between service brake piston and central housing.
The beneficial effects of the utility model:
1, break combines the feature of plain edition and decompression rotating vane type multi-disc brake, structurally adopts double-piston, two kinds of modes of braking, can realize parking braking, service brake and emergency braking Three models.
2, the square toes flush end Cock screw that adopts of break can the predetermined elastic force of Regulation spring.
3, after friction disc wear consumes, square toes flush end Cock screw can regulate the gap of friction plate, thus reduces costs.
4, when motor breaks down or pipelines from bursting time, unclamp square toes flush end Cock screw and remove Rectangular Section Spring pretightening force, thus remove parking braking.
Accompanying drawing explanation
Below with reference to accompanying drawing, the utility model is described in further details.
Fig. 1 is right elevation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the left view of Fig. 2.
Description of reference numerals: 1, wheel shaft; 2, bearing housing; 3, splined shaft; 4, housing is connect; 5, central housing; 6, cover plate; 7, Rectangular Section Spring; 8, parking braking piston; 9, service brake piston; 10, multi-disc brake sheet; 11, hydraulic oil channel; 12, Cock screw; 13, spring bearer plate; 14, guider screw; 15, Returnning spring; 16, exhaust passage; 17, outside friction disc; 18, inner attrition piece.
Embodiment
Embodiment 1:
The multi-disk wet brake that the present embodiment provides a kind of pretightening force adjustable, shown in composition graphs 1, Fig. 2, Fig. 3 and Fig. 4, comprise the bearing housing 2 be arranged on wheel shaft 1, bearing housing 2 is installed with splined shaft 3 by bearing outside rear portion, connection housing 4 is connected by screw outside bearing housing 2 upper forepart, inside connection housing 4, conflict central housing 5 in outer position, and central housing 5 the other end is connected to cover plate 6, makes connection housing 4, central housing 5, forms braking cavity between cover plate 6 and splined shaft 3.
Rectangular Section Spring 7 is provided with in braking cavity, parking braking piston 8, service brake piston 9 and multi-disc brake sheet 10, described connection housing 4 inwall is provided with spring cavity, Rectangular Section Spring 7 is contained in this spring cavity, one end of Rectangular Section Spring 7 is in spring cavity, the other end is conflicted on parking braking piston 8, parking braking piston 8 the other end is conflicted on driving brake piston 9, service brake piston 9 the other end is conflicted on multi-disc brake sheet 10, multi-disc brake sheet 10 is connected to splined shaft 3 for braking splined shaft 3, the other end of multi-disc brake sheet 10 is conflicted on cover plate 6 inwall, described central housing 5 is provided with and is communicated with the outside hydraulic oil channel 11 with braking cavity of central housing 5, described service brake piston 9 is positioned at hydraulic oil channel 11 inner end positions with the surface of contact of parking braking piston 8.
Service brake and parking braking are controlled by the oil circuit that two-way oil pressure is different respectively.Service brake power acts on service brake piston 9 surface by pressure oil and produces, and when entering pressure oil in service brake piston 9 oil pocket, service brake piston 9 promotes multi-disc brake sheet 10, and multi-disc brake sheet 10 makes splined shaft 3 stall, thus makes wheel braking; When removing service brake, then need pressure oil to lay down, service brake piston 9 departs from multi-disc brake sheet 10, makes vehicle be in non-brake state.
Parking braking power is produced by Rectangular Section Spring 7, during driving, the pressure oil entered in parking braking piston 8 chamber reaches rating value, and pressure oil acts on parking braking piston 8 surface and makes it to depart from service brake piston 9, and compress Rectangular Section Spring 7, be in non-parking braking state; During parking braking, Rectangular Section Spring 7 promotes parking braking piston 8 under the effect of elastic force, thus promotes multi-disc brake sheet 10, and multi-disc brake sheet 10 makes splined shaft 22 stall, wheel braking.
Embodiment 2:
Composition graphs 2, Fig. 3 and Fig. 4, the present embodiment adds emergency braking function on the basis of embodiment 1, connection housing 4 is also provided with Cock screw 12, in spring cavity in connection housing 4, spring bearer plate 13 is also housed, described Cock screw 12 penetrates connection housing 4, its the inner acts on spring bearer plate 13, and described Rectangular Section Spring 7 acts on spring bearer plate 13 another side.
When vehicle is in parking braking state due to oil-way system generation problem, can turn Cock screw 12 removes Rectangular Section Spring 7 impacting force, multi-disc brake sheet 10 brake off, plays security insurance effect.
Further, braking and brake off process in, the parts of braking inside cavity all will move, unobstructed in order to what keep in moving process, need to arrange air inlet/outlet, in the present embodiment, central housing 5 is also provided with and is communicated with the outside exhaust passage 16 with braking cavity of central housing 5, exhaust passage 16 ensure that braking and removes carrying out smoothly of braking process.
Embodiment 3:
The present embodiment is on the basis of above-mentioned two embodiments, improve further, in the present embodiment, in braking cavity, guider screw 14 is also housed, guider screw 14 to be fixed on central housing 5 and to be consistent with service brake piston 9 moving direction, on guider screw 14, cover has Returnning spring 15, and guider screw 14 bottom is passed service brake piston 9 and Returnning spring 15 is seated on service brake piston 9.
When removing service brake, then need pressure oil to lay down, service brake piston 9 is under the effect of Returnning spring 15, and service brake piston 9, along the guiding of guider screw 14, departs from multi-disc brake sheet 10, thus makes vehicle be in non-brake state.
When vehicle is in parking braking state due to oil-way system generation problem, can turn Cock screw 12 removes Rectangular Section Spring 7 impacting force, under Returnning spring 15 acts on, service brake piston 9 is along the guiding of guider screw 14, make multi-disc brake sheet 10 brake off, play security insurance effect.
Embodiment 4:
In above-mentioned three embodiments, the critical component of braking and brake off is multi-disc brake sheet 10, in the present embodiment, multi-disc brake sheet 10 comprises the many groups of outside friction discs be intervally arranged 17 and inner attrition piece 18, described outside friction disc 17 is arranged on central housing 5 inwall, and described inner attrition piece 18 is arranged on splined shaft 3 outer wall.
Service brake power acts on service brake piston 9 surface by pressure oil and produces, when entering pressure oil in service brake piston 9 oil pocket, service brake piston 9 promotes outside friction disc 17 and compresses with inner attrition piece 18, thus generation frictional force, the frictional resistance moment that this frictional force is formed makes splined shaft 3 stall, thus makes wheel braking; When removing service brake, then need pressure oil to lay down, service brake piston 9 departs from outside friction disc 17, thus inner attrition piece 18 and outside friction disc 17 are departed from, and frictional resistance moment disappears, and makes vehicle be in non-brake state.
Parking braking power is produced by Rectangular Section Spring 7, during driving, the pressure oil entered in parking braking piston 8 chamber reaches rating value, pressure oil acts on parking braking piston 8 surface and makes it depart from service brake piston 9 and compress Rectangular Section Spring 7, be in non-parking braking state, the disengaging of inner attrition piece 18 and outside friction disc 17 or compress only relevant with the action of service brake piston 9; During parking braking, Rectangular Section Spring 7 promotes parking braking piston 8 under the effect of elastic force, thus promotion outside friction disc 17 compresses with interior friction 18 and produces frictional force, and the frictional resistance moment that this frictional force is formed makes splined shaft 3 stall, wheel braking.
When vehicle is in parking braking state due to oil-way system generation problem, can turn Cock screw 12 removes Rectangular Section Spring 7 impacting force, service brake outside friction disc 17 is made to depart from service brake piston, thus inner attrition piece 18 is separated with outside friction disc 17, brake off, plays security insurance effect.
Wet brake in the course of the work, the most important thing is the sealability that will ensure its all parts working environment, in the present embodiment, between parking braking piston 8 and central housing 5, the star-like circle of hole back-up ring and hole is provided with between service brake piston 9 and central housing 5.Hole star circle, hole back-up ring ensure that between parking braking piston 8 and central housing 5, the sealing of service brake piston 9 working environment.
In sum, the multi-disk wet brake that this pretightening force of the present utility model is adjustable, parking braking, service brake and emergency braking Three models can be realized, structure is simple, braking is steady, seal and thermal diffusivity is good, easy maintenance, anti-adverse environment factor capability of influence strong, and is conducive to car brakeing reliability.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection scope of the present invention with the same or analogous design of the utility model.
Claims (6)
1. the multi-disk wet brake that a pretightening force is adjustable, comprise the bearing housing (2) be arranged on wheel shaft (1), it is characterized in that: bearing housing (2) is installed with splined shaft (3) by bearing outside upper rear portion, connection housing (4) is connected by screw outside bearing housing (2) upper forepart, conflict central housing (5) in outer position, connection housing (4) inner side, central housing (5) the other end is connected to cover plate (6), makes connection housing (4), central housing (5), forms braking cavity between cover plate (6) and splined shaft (3);
Rectangular Section Spring (7) is provided with in described braking cavity, parking braking piston (8), service brake piston (9) and multi-disc brake sheet (10), described connection housing (4) inwall is provided with spring cavity, Rectangular Section Spring (7) is contained in this spring cavity, one end of Rectangular Section Spring (7) is in spring cavity, the other end is conflicted on parking braking piston (8), parking braking piston (8) the other end is conflicted in driving brake piston (9), service brake piston (9) the other end is conflicted on multi-disc brake sheet (10), multi-disc brake sheet (10) is connected to splined shaft (3) for braking splined shaft (3), the other end of multi-disc brake sheet (10) is conflicted on cover plate (6) inwall, described central housing (5) is provided with and is communicated with the outside hydraulic oil channel (11) with braking cavity of central housing (5), described service brake piston (9) is positioned at hydraulic oil channel (11) inner end positions with the surface of contact of parking braking piston (8).
2. the multi-disk wet brake that pretightening force as claimed in claim 1 is adjustable, it is characterized in that: described connection housing (4) is also provided with Cock screw (12), in spring cavity in connection housing (4), spring bearer plate (13) is also housed, described Cock screw (12) penetrates connection housing (4), its the inner acts on spring bearer plate (13), and described Rectangular Section Spring (7) acts on spring bearer plate (13) another side.
3. the multi-disk wet brake that pretightening force as claimed in claim 1 or 2 is adjustable, it is characterized in that: guider screw (14) is also housed in described braking cavity, guider screw (14) is fixed on central housing (5) and goes up and be consistent with service brake piston (9) moving direction, the upper cover of guider screw (14) has Returnning spring (15), and guider screw (14) bottom is passed service brake piston (9) and Returnning spring (15) is seated on service brake piston (9).
4. the multi-disk wet brake that pretightening force as claimed in claim 1 or 2 is adjustable, is characterized in that: described central housing (5) is also provided with and is communicated with the outside exhaust passage (16) with braking cavity of central housing (5).
5. the multi-disk wet brake that pretightening force as claimed in claim 1 is adjustable, it is characterized in that: described multi-disc brake sheet (10) comprises the many groups of outside friction discs be intervally arranged (17) and inner attrition piece (18), described outside friction disc (17) is arranged on central housing (5) inwall, and described inner attrition piece (18) is arranged on splined shaft (3) outer wall.
6. the multi-disk wet brake that pretightening force as claimed in claim 1 is adjustable, is characterized in that: be provided with the star-like circle of hole back-up ring and hole between described parking braking piston (8) and central housing (5), between service brake piston (9) and central housing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520762421.8U CN205001420U (en) | 2015-09-29 | 2015-09-29 | Pretightning force adjustable multi -disc wet brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520762421.8U CN205001420U (en) | 2015-09-29 | 2015-09-29 | Pretightning force adjustable multi -disc wet brakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001420U true CN205001420U (en) | 2016-01-27 |
Family
ID=55158309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520762421.8U Expired - Fee Related CN205001420U (en) | 2015-09-29 | 2015-09-29 | Pretightning force adjustable multi -disc wet brakes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001420U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526283A (en) * | 2016-02-18 | 2016-04-27 | 力博重工科技股份有限公司 | Water-cooled multi-plate friction brake |
| CN105757144A (en) * | 2016-03-24 | 2016-07-13 | 西安科技大学 | Wet multi-disc decompression 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 |
| CN107265354A (en) * | 2017-06-26 | 2017-10-20 | 安徽合力股份有限公司 | A kind of fork truck driving integrated wet-type braking driving axle of parking |
| CN108644262A (en) * | 2018-08-03 | 2018-10-12 | 银川威力传动技术股份有限公司 | It is a kind of can mechanical release hydraulic brake mechanism and its mechanical release method |
| CN110701217A (en) * | 2019-10-11 | 2020-01-17 | 内蒙古第一机械集团股份有限公司 | Separation clearance adjustable moves integrative wet brake that dwells |
-
2015
- 2015-09-29 CN CN201520762421.8U patent/CN205001420U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526283A (en) * | 2016-02-18 | 2016-04-27 | 力博重工科技股份有限公司 | Water-cooled multi-plate friction brake |
| CN105526283B (en) * | 2016-02-18 | 2018-05-11 | 力博重工科技股份有限公司 | Water-cooled multi-disc friction brake |
| CN105757144A (en) * | 2016-03-24 | 2016-07-13 | 西安科技大学 | Wet multi-disc decompression brake |
| CN105757144B (en) * | 2016-03-24 | 2017-05-17 | 西安科技大学 | Wet multi-disc decompression 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 |
| CN107265354A (en) * | 2017-06-26 | 2017-10-20 | 安徽合力股份有限公司 | A kind of fork truck driving integrated wet-type braking driving axle of parking |
| CN108644262A (en) * | 2018-08-03 | 2018-10-12 | 银川威力传动技术股份有限公司 | It is a kind of can mechanical release hydraulic brake mechanism and its mechanical release method |
| CN108644262B (en) * | 2018-08-03 | 2024-03-15 | 银川威力传动技术股份有限公司 | Hydraulic braking mechanism capable of being mechanically unlocked and mechanical unlocking method thereof |
| CN110701217A (en) * | 2019-10-11 | 2020-01-17 | 内蒙古第一机械集团股份有限公司 | Separation clearance adjustable moves integrative wet brake that dwells |
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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: 20160127 Termination date: 20160929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |