CN213176548U - Adjustable wet brake with parking brake - Google Patents
Adjustable wet brake with parking brake Download PDFInfo
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- CN213176548U CN213176548U CN202021031567.2U CN202021031567U CN213176548U CN 213176548 U CN213176548 U CN 213176548U CN 202021031567 U CN202021031567 U CN 202021031567U CN 213176548 U CN213176548 U CN 213176548U
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- parking
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Abstract
The utility model discloses a take parking braking's wet brake with adjustable, it is great for solving the axial length that has wet brake to exist, not easy not enough of assembly, the utility model discloses take be provided with driving piston (8) in parking piston (7), make driving piston (8) one end and push pedal (3) one side contact, leave the space that can pour into hydraulic oil into between driving piston (8) other end and parking piston (7), this space communicates with each other with the external world through parking unblock screw rod (6).
Description
Technical Field
The utility model relates to a brake especially relates to a take parking braking's wet brake with adjustable constitute by a plurality of friction disc that move, a plurality of static friction disc, a plurality of spring, fixed disk, driving piston, parking piston, braking cylinder body and ring gear.
Background
At present, the market discloses an adjustable wet brake that can relieve parking brake, its structural feature is: the parking device comprises a plurality of dynamic friction plates, a plurality of static friction plates, a plurality of springs, a fixed disc, a traveling piston, a parking piston, a brake cylinder body and a gear ring, wherein the dynamic friction plates and the static friction plates are arranged in parallel at intervals, a tooth-shaped spline is arranged in an inner hole of the gear ring, a tooth-shaped spline is also arranged on the excircle of the static friction plate, the static friction plates are arranged on the tooth-shaped spline in the gear ring to form a whole, the tooth-shaped spline inner hole of the dynamic friction plates is connected with an external spline at one end of a wheel core into a whole, the parking piston is arranged into a T-shaped axial section, the large end surface of the parking piston is contacted with the springs, a space capable of injecting hydraulic oil is reserved between the other surface of the large end surface of the parking piston and the brake cylinder body, the traveling piston is sleeved on the parking piston, a space capable of injecting the hydraulic oil is reserved between one end of the traveling, the parking piston is sleeved with the push plate, the other surface of the push plate is in contact with a plurality of dynamic friction plates or a plurality of static friction plates, a plurality of parking releasing bolts respectively penetrate through the fixed plate and the spring to be connected with the parking piston, a plurality of adjusting bolts respectively penetrate through the fixed plate to be in contact with one surface of the adjusting plate, and the other surface of the adjusting plate is in contact with the dynamic friction plates or the static friction plates. However, the structure has a large axial length and is not easy to assemble.
Disclosure of Invention
The utility model aims at providing a take wet brake of parking braking with adjustable compact structure, axial length are less, the assembly of being convenient for.
In order to achieve the above purpose, the adjustable wet brake with parking brake of the utility model comprises a plurality of dynamic friction plates, a plurality of static friction plates, a plurality of springs, a fixed plate, a traveling piston, a parking piston, a brake cylinder body and a gear ring, wherein the dynamic friction plates and the static friction plates are arranged in parallel at intervals, a tooth-shaped spline is arranged in an inner hole of the gear ring, the outer circle of the static friction plates is also provided with the tooth-shaped spline, the static friction plates are arranged on the tooth-shaped spline of the gear ring to form a whole, the tooth-shaped spline inner hole of the dynamic friction plates is connected with an outer spline at one end of a wheel core into a whole, the parking piston is arranged into a T-shaped axial section, the large end surface of the parking piston is contacted with the plurality of springs, a space for injecting hydraulic oil is reserved between the other surface of the large end surface of the parking, and a space capable of injecting hydraulic oil is reserved between the other end of the traveling piston and the parking piston, and the space is communicated with the outside through the parking unlocking screw rod.
And arranging the parking unlocking screw rod into a tubular shape, and arranging one end of the parking unlocking screw rod arranged in the parking piston into an elliptical shape.
The parking piston is characterized in that an annular groove capable of being matched with a travelling piston is formed in the small end face of the parking piston, at least two holes convenient for a parking unlocking screw rod to penetrate are uniformly distributed in the bottom face of the groove, and one end of the hole at the joint of the hole and the bottom face of the groove is set to be an oval shape capable of being matched with one end of the parking unlocking screw rod.
The traveling piston is arranged in a circular ring shape.
After the structure is adopted, the parking piston is internally provided with the traveling piston, one end of the traveling piston is in contact with one surface of the push plate, a space capable of injecting hydraulic oil is reserved between the other end of the traveling piston and the parking piston, and the space is communicated with the outside through the parking unlocking screw rod. Thereby achieving the purposes of compact structure, small axial length and convenient assembly. And the parking unlocking screw and the traveling oil pipe joint are combined into a whole, so that the oil leakage problem can be reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic main sectional view of an adjustable wet brake with parking brake of the present invention.
FIG. 2 is a schematic sectional view A-A of FIG. 1.
In the figure: 1. the brake device comprises a fixed plate 2, a gear ring 3, a push plate 4, a brake cylinder 5, a fixed plate 6, a parking unlocking screw 7, a parking piston 8, a driving piston 9, a static friction plate 10 and a dynamic friction plate.
Detailed Description
The utility model discloses a wet brake with parking brake with adjustable that fig. 1, fig. 2 show, by a plurality of dynamic friction piece 10, a plurality of static friction piece 9, a plurality of spring, fixed disk 5, driving piston 8, parking piston 7, brake cylinder 4 and ring gear 2 constitute, dynamic friction piece 10, static friction piece 9 alternate parallel arrangement, be provided with the profile of tooth spline in ring gear 2 hole, also be provided with the profile of tooth spline on the excircle of static friction piece 9, install static friction piece 9 on ring gear 2 profile of tooth spline, make it constitute an organic whole, dynamic friction piece 10 profile of tooth spline hole and the external splines of wheel core one end are connected into an organic whole, set up parking piston 7 into axial cross-section and be the T form, parking piston 7 big terminal surface and a plurality of spring contact, leave the space that can pour into hydraulic oil between another side of parking piston 7 big terminal surface and brake cylinder 4 be in parking piston 7 is provided with driving piston 8, one end of a travelling crane piston 8 is in contact with one surface of the push plate 3, a space capable of injecting hydraulic oil is reserved between the other end of the travelling crane piston 8 and the parking piston 7, and the space is communicated with the outside through a parking unlocking screw 6; the parking unlocking screw 6 is arranged to be tubular, so that the traveling oil can pass through the parking unlocking screw conveniently, the parking unlocking screw and a traveling oil pipe joint are combined into a whole, one end of the parking unlocking screw 6 arranged in the parking piston 7 is arranged to be elliptical, the parking unlocking screw 6 is prevented from rotating, a groove capable of being provided with an oil seal is formed in the outer surface of the parking unlocking screw 6 in contact with the parking piston 7, the parking unlocking screw 6 is further connected with the fixed disk 5 through a framework oil seal, and an unlocking nut is arranged on the parking unlocking screw 6 extending out of the fixed disk 5; an annular groove capable of being matched with the travelling piston 8 is formed in the small end face of the parking piston 7, at least two holes convenient for the parking unlocking screw 6 to penetrate through are uniformly distributed in the bottom face of the groove, and one end of the hole at the joint of the hole and the bottom face of the groove is set to be an oval shape capable of being matched with one end of the parking unlocking screw 6; the traveling piston 8 is arranged in a circular ring shape, and a groove capable of installing an oil seal is formed in the outer surface of the traveling piston 8.
Claims (4)
1. The utility model provides a wet brake of area parking braking with adjustable, by a plurality of friction discs that move, a plurality of static friction disc, a plurality of spring, the fixed disk, the driving piston, the parking piston, braking cylinder body and ring gear are constituteed, move the friction disc, the static friction disc is alternate parallel arrangement, be provided with the tooth-shaped spline at the ring gear hole, also be provided with the tooth-shaped spline on the excircle of static friction disc, adorn the static friction disc on the tooth-shaped spline of ring gear, make it constitute an organic whole, move friction disc tooth-shaped spline hole and the external spline of wheel core one end and link into an organic whole, set the parking piston to the axial cross-section and be the T form, parking piston big terminal surface and a plurality of spring contact, leave the space that can pour into hydraulic oil into between the another side: be provided with driving piston (8) in parking piston (7), make driving piston (8) one end and push pedal (3) one side contact, leave the space that can pour into hydraulic oil between driving piston (8) other end and parking piston (7), this space communicates with each other with the external world through parking unblock screw rod (6).
2. The adjustable wet brake with parking brake of claim 1, wherein: the parking unlocking screw rod (6) is arranged to be tubular, and one end of the parking unlocking screw rod (6) arranged in the parking piston (7) is arranged to be oval.
3. The adjustable wet brake with parking brake of claim 1, wherein: the parking piston (7) is provided with an annular groove capable of being matched with a traveling piston (8) on the small end face, at least two holes convenient for the parking unlocking screw (6) to pass are uniformly distributed on the bottom face of the groove, and one end of the hole at the joint of the hole and the bottom face of the groove is set to be elliptical and matched with one end of the parking unlocking screw (6).
4. The adjustable wet brake with parking brake of claim 1, wherein: the traveling piston (8) is provided in an annular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021031567.2U CN213176548U (en) | 2020-06-08 | 2020-06-08 | Adjustable wet brake with parking brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021031567.2U CN213176548U (en) | 2020-06-08 | 2020-06-08 | Adjustable wet brake with parking brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176548U true CN213176548U (en) | 2021-05-11 |
Family
ID=75787442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021031567.2U Active CN213176548U (en) | 2020-06-08 | 2020-06-08 | Adjustable wet brake with parking brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213176548U (en) |
-
2020
- 2020-06-08 CN CN202021031567.2U patent/CN213176548U/en active Active
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