CN202560887U - Wet-type braking device for mine tipping truck - Google Patents
Wet-type braking device for mine tipping truck Download PDFInfo
- Publication number
- CN202560887U CN202560887U CN2012201598343U CN201220159834U CN202560887U CN 202560887 U CN202560887 U CN 202560887U CN 2012201598343 U CN2012201598343 U CN 2012201598343U CN 201220159834 U CN201220159834 U CN 201220159834U CN 202560887 U CN202560887 U CN 202560887U
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- gear ring
- piston
- end cap
- braking device
- spring
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Abstract
The utility model discloses a wet-type braking device for a mine tipping truck, which comprises a gear ring, a piston, a brake disk, and a hub. The left and right sides of the gear ring are provided with left and right end covers, respectively, the hub is fitted in the gear ring, an annular cavity is formed between the hub and the gear ring and filled with cooling oil, the brake disk is fitted in the annular cavity, and includes a steel disk and a friction disk space from each other, the friction disk and the outer wall of the hub are in splined connection, the steel disk and the inner wall of the gear ring are in splined connection, the piston is mounted between the left end cover and the brake disk, an annular hydraulic cavity is formed among the piston, the gear ring and the left end cover, and two sides of the annular hydraulic cavity are provided with sealing members, respectively, and the inner side of the piston is provided with a piston reset device. The wet-type braking device has the advantages that the whole sealing is adopted to prevent the effect from environment dust, the friction area is large, the working performance is stable, and the service life is long.
Description
Technical field
The utility model relates to the break technical field, relates in particular to a kind of wet type braking device of mining dump truck.
Background technique
Opencut is with the widely-used caliper disc brake of dump truck, and caliper disc brake in use has following shortcoming:
1. because effective utilization is lower,, need to add servomechanism installation so required brake actuation loine pressure is higher when being used for hydraulic braking sytem;
2. very high to the accuracy of manufacturing requirement of break and braking line, increase manufacture cost;
3. must there be the vehicle of power assisting device to use, uses so can only be applicable to Light-duty Vehicle;
4. in braking process, exist friction area little, the friction surface unit pressure is high, and is high to the intensity and the requirement of the withstand voltage properties under the high temperature of friction lining material, and compensates gasket wear gap poor reliability automatically, causes usability unstable.
Summary of the invention
The utility model provides a kind of wet type braking device of mining dump truck to the deficiency of above-mentioned existing technology, to solve the problem of caliper disc brake unstable properties.
The technological scheme that the utility model solves the problems of the technologies described above is following: a kind of wet type braking device of mining dump truck, it is characterized in that, and comprise gear ring, piston, brake disc and wheel hub; And arranged on left and right sides at said gear ring is respectively equipped with left end cap and right end cap; Said wheel hub is sleeved in the said gear ring, between said wheel hub and gear ring, forms toroidal cavity and is full of cold oil, and said brake disc is sleeved in the said toroidal cavity; Said brake disc comprises steel disk and the friction disk that the space is provided with; Said friction disk is connected through spline with the outer wall of said wheel hub, and said steel disk is connected through spline with the inwall of said gear ring, and said piston is installed between said left end cap and the said brake disc; Form the annular hydraulic pressure cavity of sealing between said piston, gear ring and the left end cap; The both sides of said annular hydraulic pressure cavity are respectively equipped with Sealing, and said gear ring is provided with the oil inlet hole that is communicated with annular hydraulic pressure cavity, and the inboard of said piston is provided with the piston reset device.
The beneficial effect of the utility model is:
1, this wet type braking device integral body is sealing mechanism, makes break avoid the influence of external temperature and dust, stable work in work, and it is very little to wear and tear, and can exempt adjustment in the using process.
2, brake disc adopts the polydisc structure, and friction area is big like this, can under less hydraulic pressure, obtain bigger braking moment, changes the friction pair number and can adjust braking moment.Require low to break and braking line.
3, stable work in work, the heat radiation good cooling results, long service life, the 3-5 that is generally caliper disc brake is doubly.Being particularly suitable for 45 tons of-60 tons of opencuts uses with dump truck.
On the basis of technique scheme, the utility model can also be done following improvement.
Further; Said piston reset device comprises spring, spring seat, pull bar and spring tray; One end of said pull bar is fixed on the said left end cap; The other end is provided with said spring seat, and said spring tray is sleeved on the said pull bar and with said piston and is fixedly connected, and said spring is fixed between said spring seat and the said spring tray.
Adopt the beneficial effect of above-mentioned further scheme to be, this piston reset is simple in structure, reliable operation.
Further, said Sealing is " U " type Sealing.
Adopt the beneficial effect of above-mentioned further scheme to be, select conventional " U " type Sealing for use, can satisfy the seal request of annular hydraulic pressure cavity.
Further, also be provided with adjustment dish in gap between said brake disc and the said right end cap.
Adopt the beneficial effect of above-mentioned further scheme to be, can adjust, and then adjusted the total kilometres of piston the total backlash between grinding disk and the steel disk.
Further, also be provided with float grease seal between said wheel hub and the said right end cap.
Adopt the beneficial effect of above-mentioned further scheme to be, float grease seal can better guarantee the sealing effect between the face of being association of activity and inertia.
Further, also be provided with the gap spring in the said annular hydraulic pressure cavity.
Adopt the beneficial effect of above-mentioned further scheme to be, the gap spring is separated two lips of U type sealing, makes lip can be attached to the two side of inner chamber.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure, 1, gear ring; 2, annular hydraulic pressure cavity; 3, left end cap; 4, right end cap; 5, gap spring; 6, Sealing; 7, piston; 8, float grease seal; 9, gap adjustment dish; 10, friction disk; 11, steel disk; 12, pull bar; 13, oil inlet hole; 14, spring tray; 15, spring; 16, spring seat; 17, bolt; 18, " O " RunddichtringO; 19, wheel hub; 20. screw.
Embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
As shown in Figure 1, a kind of wet type braking device of mining dump truck is characterized in that; Comprise gear ring 1, piston 7, brake disc and wheel hub 19, be fixed with left end cap 3 and right end cap 4 through bolt 17 respectively in the and arranged on left and right sides of said gear ring 1, said wheel hub 19 is sleeved in the said gear ring 1; Between said wheel hub 19 and gear ring 1, form toroidal cavity and be full of cold oil; Said brake disc is sleeved in the said toroidal cavity, and said brake disc comprises the steel disk 11 and friction disk 10 that the space is provided with, and said steel disk 11 is connected through spline with the outer wall of said gear ring 1; Said friction disk 10 is connected through spline with the inwall of said wheel hub 19; Said piston 7 is installed between said left end cap 3 and the said brake disc, forms the annular hydraulic pressure cavity 2 of sealing between said piston 7, gear ring 1 and the left end cap 3, and the both sides of said annular hydraulic pressure cavity 2 are respectively equipped with Sealing 6; Said gear ring 1 is provided with the oil inlet hole 13 that is communicated with annular hydraulic pressure cavity 2, and the inboard of said piston 7 is provided with the piston reset device.
Said piston reset device comprises spring 15, spring seat 16, pull bar 12 and spring tray 14; One end of said pull bar 12 is fixed on the said left end cap 3; The other end is provided with said spring seat 16; Said spring tray 14 is sleeved on the said pull bar 12 and with said piston 7 and is fixedly connected, and said spring 15 is fixed between said spring seat 16 and the said spring tray 14.Also be provided with gap spring 5 in the said annular hydraulic pressure cavity 2.
Said Sealing 6 is " U " type Sealing.
Also be provided with gap adjustment dish 9 between said brake disc and the said right end cap 4.
Also be provided with float grease seal 8 between said wheel hub 19 and the said right end cap 4, be respectively equipped with " O " RunddichtringO 18 between said gear ring and left end cap, the right end cap.
The working principle of the utility model is that when pressure being provided for annular hydraulic pressure cavity 2 through oil inlet hole 13, hydraulic oil acts between the two U type Sealings 6; Make U type Sealing 6 be close to the internal surface of piston 7 and gear ring 1, piston 7 moves right, owing to adopt spline to be connected respectively between friction disk 10 and steel disk 11 and gear ring 1 and the wheel hub 19; It can move vertically; Therefore piston 7 moves steel disk 11 and friction disk 10 is compressed, thereby produces frictional force, makes wheel hub 19 brakings.Spring tray 14 is connected on the piston 7 through screw 20, and in the process that piston 7 moves right, spring tray 14 moves spring 15 compressions with piston 7.When braking was removed, the mechanical energy of Returnning spring storage discharged piston 7 is pushed back, and the pressure between steel disk 11 and the friction disk 10 disappears and is separated from each other, and friction torque disappears, and braking is removed.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. the wet type braking device of a mining dump truck is characterized in that, comprises gear ring, piston, brake disc and wheel hub; And arranged on left and right sides at said gear ring is respectively equipped with left end cap and right end cap; Said wheel hub is sleeved in the said gear ring, between said wheel hub and gear ring, forms toroidal cavity and is full of cold oil, and said brake disc is sleeved in the said toroidal cavity; Said brake disc comprises steel disk and the friction disk that the space is provided with; Said friction disk is connected through spline with the outer wall of said wheel hub, and said steel disk is connected through spline with the inwall of said gear ring, and said piston is installed between said left end cap and the said brake disc; Form the annular hydraulic pressure cavity of sealing between said piston, gear ring and the left end cap; The both sides of said annular hydraulic pressure cavity are respectively equipped with Sealing, and said gear ring is provided with the oil inlet hole that is communicated with annular hydraulic pressure cavity, and the inboard of said piston is provided with the piston reset device.
2. the wet type braking device of a kind of mining dump truck according to claim 1; It is characterized in that; Said piston reset device comprises spring, spring seat, pull bar and spring tray, and an end of said pull bar is fixed on the said left end cap, and the other end is provided with said spring seat; Said spring tray is sleeved on the said pull bar and with said piston and is fixedly connected, and said spring is fixed between said spring seat and the said spring tray.
3. the wet type braking device of a kind of mining dump truck according to claim 1 and 2 is characterized in that, said Sealing is " U " type Sealing.
4. the wet type braking device of a kind of mining dump truck according to claim 3 is characterized in that, also is provided with adjustment dish in gap between said brake disc and the said right end cap.
5. the wet type braking device of a kind of mining dump truck according to claim 4 is characterized in that, also is provided with float grease seal between said wheel hub and the said gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201598343U CN202560887U (en) | 2012-04-16 | 2012-04-16 | Wet-type braking device for mine tipping truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201598343U CN202560887U (en) | 2012-04-16 | 2012-04-16 | Wet-type braking device for mine tipping truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202560887U true CN202560887U (en) | 2012-11-28 |
Family
ID=47210547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201598343U Expired - Fee Related CN202560887U (en) | 2012-04-16 | 2012-04-16 | Wet-type braking device for mine tipping truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202560887U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105134826A (en) * | 2015-07-07 | 2015-12-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wet type multi-disc service brake |
| CN105835623A (en) * | 2016-05-13 | 2016-08-10 | 中国煤炭科工集团太原研究院有限公司 | Compact drive axle for coal mine underground vehicle |
-
2012
- 2012-04-16 CN CN2012201598343U patent/CN202560887U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105134826A (en) * | 2015-07-07 | 2015-12-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wet type multi-disc service brake |
| CN105134826B (en) * | 2015-07-07 | 2017-08-29 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of Wet-type multi-disc running brake |
| CN105835623A (en) * | 2016-05-13 | 2016-08-10 | 中国煤炭科工集团太原研究院有限公司 | Compact drive axle for coal mine underground 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 |
Granted publication date: 20121128 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |