CN104675887A - Wet type multi-disc brake - Google Patents
Wet type multi-disc brake Download PDFInfo
- Publication number
- CN104675887A CN104675887A CN201410324845.6A CN201410324845A CN104675887A CN 104675887 A CN104675887 A CN 104675887A CN 201410324845 A CN201410324845 A CN 201410324845A CN 104675887 A CN104675887 A CN 104675887A
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- cylinder body
- brake
- friction plate
- disc brake
- parking
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Abstract
The invention discloses a wet type multi-disc brake integrating functions of speed lowering, braking and parking. The wet type multi-disc brake which is mainly applicable to the harsh-condition and inconvenient-to-maintain brake systems of various machines is characterized in that parts are mounted by using a shell as a base, the brake is fixed by the connection of a stud and an axle, and a drive wheel is connected with a hub through a connecting bolt to synchronously rotate with car wheels; each friction plate working cavity is a sealed cavity which can effectively deal with external harsh work conditions, circulation cooling oil is fed into the sealed cavity, temperature rise can be lowered effectively, consumption is reduced, stable work performance is achieved, slight abrasion is achieved, and adjustment is generally not needed during use; each friction plate is annular and large in working area, the multi-disc structure is used, and large brake torque can be obtained under small gasket pressure; the brake torque can be adjusted by changing the number of friction pairs, and friction pair standardization can be achieved easily; good radiating and cooling effect, low working temperature and long service life are achieved, and the service life of the wet type multi-disc brake is generally 3-5 times of that of a dry type brake.
Description
Technical field
The present invention relates to a kind ofly integrate slow, wet multi-disc brake that braking, parking etc. are multi-functional, be mainly used in the braking system of various machineries of inclement condition, maintenance inconvenience, as engineering machinery, mine equipment, heavy truck, loader etc.
Background technique
Traditional engineering machinery brake generally adopts dry type friction plate, friction plate exposes to be braked, by naturally cooling or air cooling, in use effectively cannot solve the intensification problem of frequently braking and extraneous rugged environment as the impact of high dust etc., in high strength, during long-play, easily there is brake fault, bring potential safety hazard, need often maintenance, frequent more renewal of facing renewal, the demand of user can not be met.
Summary of the invention
For above-mentioned problem, in order to solve Problems existing in above-mentioned engineering machinery brake, the object of the present invention is to provide a kind of with hydronicly integrating slow, the multi-functional wet multi-disc brake of braking, parking etc., complete machine adopts seal structure, friction plate works in circulation cooling oil, effectively can avoid the impact of external temperature, dust etc., working stability adjusts, friction plate loss is little, generally can avoid safeguarding, effectively can meet the high strength user demand in various bad working environments.
The present invention is for solving the problems of the technologies described above adopted technological scheme as described below:
A kind of wet multi-disc brake, form primarily of cylinder body, friction plate, output flange and drive flange, described friction plate is arranged in an airtight chamber, described airtight chamber is enclosed formed by drive flange, inner seal ring, exterior seal ring, floating seal, No. two floating seals, parking end cap, driving end cap and a vehicle bridge, friction plate is connected with drive flange, drive flange is connected with output flange, output flange is connected with wheel hub by coupling bolt, friction disk and baffle plate are fixed on cylinder body, and cylinder body is fixed in vehicle bridge by stud.
Further, the left side of described break cylinder body fixedly mounts parking piston, parking spring, parking end cap, output flange and coupling bolt, fixed installation friction plate, friction disk, baffle plate, drive flange, a floating seal and No. two floating seals in the middle of cylinder body, fixed installation driving piston, driving end cap, Returnning spring, return pin and stud on the right side of cylinder body.
Further, described friction plate is connected with drive flange by internal spline, and drive flange is connected with output flange by external splines, and output flange is connected with wheel hub by coupling bolt.
Further, described friction disk and baffle plate are fixed on cylinder body by external splines, and cylinder body is fixed in vehicle bridge by stud.
Further again, described friction plate is toroidal polydisc structure.
Beneficial effect of the present invention is as follows:
1. wet multi-disc brake of the present invention adopts enclosed construction, avoids affecting by external temperature and dust, stable work in work, weares and teares very micro-, the general adjustment-free of using process.
2. friction plate adopts toroidal, and work area is large, and uses polydisc structure, can obtain larger braking moment under less liner pressure.
3. getting final product adjusting brake moment by changing friction pair number, being easy to the standardization realizing friction pair.
4. cooling is effective, and operating temperature is low, long service life, is generally the 3-5 of dry brake doubly.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention;
Fig. 2 be in Fig. 1 A-A face appearance schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, present invention is described.
A kind of wet multi-disc brake, as shown in Figure 1, primarily of cylinder body 10, friction plate 12, output flange 2 and drive flange 8 form, described friction plate 12 is arranged in an airtight chamber, described airtight chamber is by drive flange 8, inner seal ring 3, exterior seal ring 4, a floating seal 6, No. two floating seals 9, parking end cap 5, driving end cap 15 and vehicle bridge 20 enclose and form, friction plate 12 is connected with drive flange 8 by internal spline, drive flange 8 is connected with output flange 2 by external splines, output flange 2 is connected with wheel hub by coupling bolt 1, friction disk 8 and baffle plate 13 are fixed on cylinder body 10 by external splines, cylinder body 10 is fixed in vehicle bridge 20 by stud 16.
The left side fixed installation parking piston 7 of described break cylinder body 10, parking spring 17, parking end cap 5, the composition such as output flange 2 and coupling bolt 1 parking brake device, fixed installation friction plate 12 in the middle of cylinder body 10, friction disk 11, baffle plate 13, drive flange 8, the airtight active chamber of the composition friction plate such as a floating seal 6 and No. two floating seals 9, fixed installation driving piston 14 on the right side of cylinder body, driving end cap 15, Returnning spring 18, the composition such as return pin 19 and stud 16 service brake assembly, three part common combinations form collection driving, the brake structural of parking integration.
Described friction plate 12 is toroidal polydisc structure.
Fig. 2 is the appearance schematic diagram in A-A face in Fig. 1.
In one embodiment, can find out concrete structure of the present invention by Fig. 1, it is made up of coupling bolt 1, output flange 2, inner seal ring 3, exterior seal ring 4, parking end cap 5, floating seal 6, parking piston 7, drive flange 8, No. two floating seals 9, cylinder body 10, friction disk 11, friction plate 12, baffle plate 13, driving piston 14, driving end cap 15, stud 16, parking spring 17, Returnning spring 18, return pin 19 etc.
Each parts are that pedestal is assembled with cylinder body above, the left side of cylinder body 10 fixedly mounts parking piston 7, parking spring 17, parking end cap 5, output flange 2 and coupling bolt 1 etc., in the middle of cylinder body 10, friction plate 12, friction disk 11, baffle plate 13, drive flange 8, floating seal 6 and No. two floating seals 9 etc. are installed, the right side fixed installation driving piston 14 of cylinder body 10, driving end cap 15, Returnning spring 18, return pin 19 and stud 16 etc.Wherein drive flange 8, inner seal ring 3, exterior seal ring 4, floating seal 6, No. two floating seals 9, parking end cap 5, driving end cap 15 and vehicle bridge 20 form an airtight chamber, this airtight chamber is used for passing into circulation cooling oil, and friction plate is immersed in circulation cooling oil and works; Friction plate 12 is connected with drive flange 8 by internal spline, and drive flange 8 is connected with output flange 2 by external splines again, and output flange 2 is connected with wheel hub, with wheel synchronous axial system by coupling bolt 1; Friction disk 8 and baffle plate 13 are fixed on cylinder body 10 by external splines, and cylinder body is bound up on by stud 16 that vehicle bridge 20 to carry out installations fixing.
Working principle of the present invention is: when vehicle does not work, parking piston 7 oppressed by parking spring 17, make baffle plate 13, friction plate 12, friction disk 11 close contact being locked by frictional force, the drive flange 8 making it be connected, output flange 2 and wheel hub all cannot rotate, and realize wheel parking braking; During vehicle operation, pressure oil is passed into parking piston 7 active chamber, make parking piston 7 compress parking spring 17 to reset, remove the locking state between baffle plate 13, friction plate 12, friction disk 11, wheel drives wheel hub, output flange 2, drive flange 8 to rotate, friction plate 12 is thrown away automatically, normal vehicle operation; In vehicle travel process, certain pressure oil is passed into driving piston 14 inner chamber, make driving piston overpowers Returnning spring resistance, compressing baffle plate, friction plate, friction disk, reduce its mutual spacing or make it lock completely, realize braking action of vehicle or brake completely, when vehicle needs again to travel, pressure oil pressure release, Returnning spring 18 drives return pin 19 and driving piston 14 to reset, remove the locking state between baffle plate, friction plate, friction disk, band motor vehicle travels again; When vehicle parking is little need parking time, the pressure release of parking piston cavity, parking spring return function, compression parking piston movement, compresses baffle plate, friction plate, friction disk, realizes vehicle parking.
Based on said structure and working principle, beneficial effect of the present invention is as follows:
1. wet multi-disc brake of the present invention adopts enclosed construction, avoids affecting by external temperature and dust, stable work in work, weares and teares very micro-, the general adjustment-free of using process.
2. friction plate adopts toroidal, and work area is large, and uses polydisc structure, can obtain larger braking moment under less liner pressure.
3. getting final product adjusting brake moment by changing friction pair number, being easy to the standardization realizing friction pair.
4. cooling is effective, and operating temperature is low, long service life, is generally the 3-5 of dry brake doubly.
The present invention be applicable to loader, quarry tipper and other there is the braking device of similar brake structure.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion all drops in protection scope of the present invention.It will be understood by those skilled in the art that specific descriptions are above to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is by claim and equivalents thereof.
Claims (5)
1. a wet multi-disc brake, primarily of cylinder body (10), friction plate (12), output flange (2) and drive flange (8) composition, it is characterized in that, described friction plate (12) is arranged in an airtight chamber, described airtight chamber is by drive flange (8), inner seal ring (3), exterior seal ring (4), a floating seal (6), No. two floating seals (9), parking end cap (5), driving end cap (15) and vehicle bridge (20) enclose and form, friction plate (12) is connected with drive flange (8), drive flange (8) is connected with output flange (2), output flange (2) is connected with wheel hub, friction disk (8) and baffle plate (13) are fixed on cylinder body (10), cylinder body (10) is fixed in vehicle bridge (20).
2. wet multi-disc brake as claimed in claim 1, it is characterized in that, left side fixed installation parking piston (7) of described break cylinder body (10), parking spring (17), parking end cap (5), output flange (2) and coupling bolt (1), fixed installation friction plate (12) in the middle of cylinder body (10), friction disk (11), baffle plate (13), drive flange (8), a floating seal (6) and No. two floating seals (9), fixed installation driving piston (14) on the right side of cylinder body, driving end cap (15), Returnning spring (18), return pin (19) and stud (16).
3. wet multi-disc brake as claimed in claim 2, it is characterized in that, described friction plate (12) is connected with drive flange (8) by internal spline, and drive flange (8) is connected with output flange (2) by external splines, and output flange (2) is connected with wheel hub by coupling bolt (1).
4. wet multi-disc brake as claimed in claim 3, it is characterized in that, described friction disk (8) and baffle plate (13) are fixed on cylinder body (10) by external splines, and cylinder body (10) is fixed in vehicle bridge (20) by stud (16).
5. the wet multi-disc brake as described in one of claim 1-4, is characterized in that, described friction plate (12) is toroidal polydisc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324845.6A CN104675887A (en) | 2014-07-09 | 2014-07-09 | Wet type multi-disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324845.6A CN104675887A (en) | 2014-07-09 | 2014-07-09 | Wet type multi-disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675887A true CN104675887A (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410324845.6A Pending CN104675887A (en) | 2014-07-09 | 2014-07-09 | Wet type multi-disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675887A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795610A (en) * | 2016-08-30 | 2018-03-13 | Zf腓特烈斯哈芬股份公司 | Multi-disc brake |
| CN111133219A (en) * | 2017-09-22 | 2020-05-08 | 彼奥刹车解决方案有限公司 | Brake device |
| CN111409606A (en) * | 2020-04-13 | 2020-07-14 | 长沙凯瑞重工机械有限公司 | Driven axle braking system |
| CN111638151A (en) * | 2020-07-15 | 2020-09-08 | 一汽解放汽车有限公司 | Test method for detecting abrasion resistance of friction pair |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649877A (en) * | 2009-08-27 | 2010-02-17 | 三一重机有限公司 | Complete-disc brake |
| CN201723624U (en) * | 2010-06-06 | 2011-01-26 | 内蒙古北方重型汽车股份有限公司 | Mine dump truck wet type multi-disc brake |
| CN103375515A (en) * | 2012-04-13 | 2013-10-30 | 上海宇意机械有限公司 | Service and parking linked multi-disc wet hydraulic brake |
| CN103644223A (en) * | 2013-12-12 | 2014-03-19 | 丹东黄海矿业备件制造有限公司 | Wet disc brake used for heavy mining truck |
-
2014
- 2014-07-09 CN CN201410324845.6A patent/CN104675887A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649877A (en) * | 2009-08-27 | 2010-02-17 | 三一重机有限公司 | Complete-disc brake |
| CN201723624U (en) * | 2010-06-06 | 2011-01-26 | 内蒙古北方重型汽车股份有限公司 | Mine dump truck wet type multi-disc brake |
| CN103375515A (en) * | 2012-04-13 | 2013-10-30 | 上海宇意机械有限公司 | Service and parking linked multi-disc wet hydraulic brake |
| CN103644223A (en) * | 2013-12-12 | 2014-03-19 | 丹东黄海矿业备件制造有限公司 | Wet disc brake used for heavy mining truck |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795610A (en) * | 2016-08-30 | 2018-03-13 | Zf腓特烈斯哈芬股份公司 | Multi-disc brake |
| CN107795610B (en) * | 2016-08-30 | 2020-10-30 | Zf腓特烈斯哈芬股份公司 | Multi-disc brake |
| CN111133219A (en) * | 2017-09-22 | 2020-05-08 | 彼奥刹车解决方案有限公司 | Brake device |
| CN111409606A (en) * | 2020-04-13 | 2020-07-14 | 长沙凯瑞重工机械有限公司 | Driven axle braking system |
| CN111638151A (en) * | 2020-07-15 | 2020-09-08 | 一汽解放汽车有限公司 | Test method for detecting abrasion resistance of friction pair |
| CN111638151B (en) * | 2020-07-15 | 2022-02-22 | 一汽解放汽车有限公司 | Test method for detecting abrasion resistance of friction pair |
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Application publication date: 20150603 |
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| RJ01 | Rejection of invention patent application after publication |