CN106015396B - Vehicle driving and parking integrated brake device - Google Patents
Vehicle driving and parking integrated brake device Download PDFInfo
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- CN106015396B CN106015396B CN201610526958.3A CN201610526958A CN106015396B CN 106015396 B CN106015396 B CN 106015396B CN 201610526958 A CN201610526958 A CN 201610526958A CN 106015396 B CN106015396 B CN 106015396B
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- traveling crane
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- 238000007789 sealing Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A vehicle driving and parking integrated brake device comprises a driving end cover, a driving cylinder body, a driving piston, a cylindrical intermediate body, a brake friction pair assembly, a parking cylinder body, a parking piston, a parking end cover and a main parking spring; the driving end cover and the parking end cover are respectively connected to two ends of the intermediate body, and the driving cylinder body and the parking cylinder body are respectively positioned on two sides of the friction pair assembly and are respectively connected with the driving end cover and the parking end cover; the parking brake device comprises a parking cylinder body, a traveling piston, a friction pair group, a parking brake oil cavity, a friction pair group and a friction pair group, wherein the traveling piston is sleeved on the traveling cylinder body in a movable fit manner and can abut against the friction pair group; and a parking spring tightly abutting against a parking end cover is arranged in each spring hole. The invention fully utilizes the space, has simple and compact structure and is suitable for flexible configuration with various vehicles with narrow design space.
Description
Technical Field
The present invention relates to a brake device.
Background
The invention patent application of Chinese application number 201210109980.X discloses a traveling and parking linkage multi-disc wet hydraulic brake, which comprises a brake seat, a floating seal seat, a front flange, a parking piston, a parking cylinder, an inner gear ring, a brake friction disc set, a traveling cylinder, a traveling piston and a rear flange, wherein the parking piston is supported on the parking cylinder; a group of brake springs are further installed between the parking piston and the front flange, and the brake springs are pressed on the brake friction plate set through the parking piston by spring force, so that brake torque is generated; the traveling crane piston is supported on the traveling crane cylinder body, a group of return bolts are mounted on the traveling crane piston, return springs are sleeved on the return bolts and mounted on the rear flange through light holes in the traveling crane piston, and generated spring force acts on the traveling crane piston, so that the brake friction plate group can be completely and reliably disengaged in a non-braking state. Because the friction pair of the wet brake adopts forced oil cooling, an additional matched hydraulic system and manufacturing cost are increased.
The utility model discloses a chinese application No. 201520191387.3 is a dry brake device, through air cooling. The oil cylinder block of the utility model is provided with an axial oil cylinder hole, a hollow traveling crane piston with a ladder excircle is arranged in the large-diameter section and the reducing section of the oil cylinder hole, and the traveling crane piston and an annular cavity formed at the reducing positions of the large-diameter section and the reducing section form a traveling crane braking oil cylinder; the parking piston, an annular cavity formed at the reducing positions of the isolation section and the diameter expanding section form a parking brake cylinder; parking springs are circumferentially distributed in the parking piston at intervals, the parking springs are internally provided with return springs pressed and held by return bolts, and one ends of the return bolts, far away from the pressing and holding ends, penetrate through the bottom of the parking piston and are fixedly connected with the traveling piston. Symmetrical gap adjusting mechanisms are circumferentially distributed in the parking piston at intervals. The utility model discloses a go, parking piston is the linkage, if certain piston takes place the jamming phenomenon and directly can influence the action of another piston.
Disclosure of Invention
The invention aims to provide a vehicle running and parking integrated braking device which is simple and compact in structure and enables a running piston and a parking piston to operate independently.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention comprises a traveling end cover, a traveling cylinder body, a traveling piston, a cylindrical intermediate body, a braking friction pair assembly, a parking cylinder body, a parking piston, a parking end cover and a main parking spring; the friction plate of the braking friction pair assembly and the intermediate form an axial moving pair, the driving end cover and the parking end cover are respectively connected to two ends of the intermediate, and the driving cylinder and the parking cylinder are respectively positioned on two sides of the friction pair assembly and are respectively connected with the driving end cover and the parking end cover; the traveling crane piston is sleeved on the traveling crane cylinder body in a movable fit manner and can abut against the friction pair group, the traveling crane piston is T-shaped, and an annular gap between the traveling crane piston and the traveling crane cylinder body forms a traveling crane braking oil cavity; the parking piston is movably matched with the parking cylinder body and can be abutted to the friction pair group, an annular gap between the parking cylinder body and the parking piston forms a parking braking oil cavity, spring holes are uniformly distributed in the circumferential direction of the parking piston, a parking spring tightly abutted to a parking end cover is arranged in each spring hole, and the service braking oil cavity is a variable-section oil cavity.
The traveling crane cylinder body is provided with a big warp section, a conical section and a small diameter section, wherein the big warp section is close to the traveling crane end cover, the traveling crane piston is provided with a big warp hole, a conical hole and a small diameter hole which are respectively matched with the big warp section, the conical section and the small diameter section of the traveling crane cylinder body, and a gap between the bottom surface of the annular conical section of the traveling crane cylinder body and the bottom surface of the annular conical hole of the traveling crane piston forms the variable-section traveling crane brake oil cavity.
The parking piston is provided with a large-diameter section and a small-diameter section, wherein the large-diameter section is close to the parking end cover, the parking cylinder body is provided with a large-diameter hole and a small-diameter hole which are matched with the large-diameter section and the small-diameter section of the parking piston, and a gap between the annular bottom surface of the large-diameter section of the parking piston and the annular bottom surface of the large-diameter hole of the parking cylinder body forms the parking braking oil cavity.
The service piston is provided with a top part with radially expanded periphery, and the top part of the service piston is positioned between a service end cover and the braking friction pair assembly.
Sleeve holes which are circumferentially distributed and symmetrical are formed in the position, opposite to the top of the travelling crane piston, of the travelling crane end cover, and adjusting holes are formed in the top of the travelling crane piston and opposite to each sleeve hole; each sleeve hole is provided with a gap adjusting mechanism, and each gap adjusting mechanism is partially inserted into the corresponding adjusting hole.
The clearance adjustment mechanism comprises a sleeve fixed in a sleeve hole, a compensation spring which is positioned in a center hole and limited in a sleeve clamping ring is arranged in the sleeve, an adjusting screw rod is inserted into the sleeve clamping ring and the compensation spring, the head of the adjusting screw rod is inserted into an adjusting hole corresponding to the traveling crane piston, and a screw rod clamping spring which enables the adjusting screw rod to be tightly attached to the bottom surface of the adjusting hole is arranged in the adjusting hole.
The adjusting screw rod is tightly matched with the compensating spring.
The big footpath section of driving cylinder body is equipped with 2 annular outer wall recesses, inlays respectively and is equipped with first sealing washer and first wear ring, be equipped with 3 annular outer wall recesses on the path section of driving cylinder body, inlay respectively and adorn second wear ring, second sealing washer and second dust ring.
The first sealing ring, the second sealing ring and the second dustproof ring are sealing rings and dustproof rings of U-shaped structures.
The parking cylinder is characterized in that 2 annular inner wall grooves are formed in the wall of a large-diameter hole of the parking cylinder body and are respectively embedded with a third sealing ring and a third wear-resistant ring, and 3 annular inner wall grooves are formed in the wall of a small-diameter hole of the parking cylinder body and are respectively embedded with a fourth wear-resistant ring, a fourth sealing ring and a fourth dust ring.
The third sealing ring, the fourth sealing ring and the fourth dustproof ring are sealing rings and dustproof rings of U-shaped structures.
And the intermediate body is provided with radial heat dissipation holes.
The invention has the following positive effects: 1. the invention relates to a traveling and parking brake integrated design, which is air-cooled heat dissipation, and the traveling brake and the parking brake are respectively arranged at two sides of a friction pair. The driving piston is sleeved on the driving cylinder body and is T-shaped, the space for axially thickening the edge of the driving end cover is provided, and the gap adjusting mechanism can be arranged in the driving end cover and does not need to occupy space additionally. The traveling piston and the parking cylinder are both provided with through cavities, so that a space is reserved for installing the speed reducer. The deformation force of the sealing ring and the dustproof ring of the U-shaped structure is utilized to help the traveling piston and the parking piston to recover after displacement, so that a return device is omitted. The invention fully utilizes the space, has simple and compact structure and is very suitable for being flexibly configured with various vehicles with narrow design space. 2. The service braking oil cavity is of a variable section, the sectional area of the service braking oil cavity is increased along with the increase of the moving distance of the service piston to the friction pair, the braking thrust is increased, the braking torque can be improved by increasing the braking thrust under the condition of certain hydraulic pressure, and when the friction plate is abraded to reduce the friction coefficient, the braking torque cannot be reduced. 3. Because the action between the traveling piston and the parking piston is not related, the phenomenon that one piston is blocked to influence the action of the other piston can not occur. 4. The key index of the vehicle braking device is the response speed, and the clearance adjusting device can improve the response speed of the brake and shorten the response time. 5. The sealing ring and the dustproof ring are arranged on the cylinder body, so that the phenomenon of fluctuation and oil leakage caused by the fact that the sealing ring and the dustproof ring are arranged on the piston when the piston moves is avoided. 6. On the premise of ensuring basic functions, the invention can realize larger braking torque in a smaller installation space, brings great convenience to the arrangement of the whole automobile, is beneficial to improving the heat load capacity of the friction plate, obviously prolongs the service life and saves the maintenance cost.
Drawings
FIG. 1 is a block diagram of the present invention.
Fig. 2 is an enlarged view of the lower part of fig. 1.
Fig. 3 is an enlarged view of a portion i of fig. 1.
Fig. 4 is a traveling crane cylinder block diagram.
FIG. 5 is a traveling piston diagram.
Fig. 6 is a parking cylinder diagram.
Fig. 7 is a parking piston diagram.
Fig. 8 is a right side view of fig. 1.
Fig. 9 is a left side view of fig. 1.
Detailed Description
Example 1
Referring to fig. 1 to 9, embodiment 1 includes a service end cap 1, a service cylinder 2, a service piston 3, a cylindrical intermediate body 5, a brake friction pair assembly 6, a parking cylinder 7, a parking piston 8, a parking end cap 9, and a main parking spring 10. The brake friction pair assembly 6 is formed by arranging a friction plate 6-1 and a brake disc 6-2 at intervals, and the friction plate and the intermediate body 5 form an axial moving pair. The driving end cover 1 and the parking end cover 9 are respectively connected to two ends of the intermediate body 5, and the driving cylinder 2 and the parking cylinder 7 are respectively located on two sides of the friction pair assembly 6 and are respectively connected with the driving end cover 1 and the parking end cover 9. The driving cylinder 2 and the parking piston 8 are provided with through cavities, and the friction plate 6-1 and the brake disc 6-2 of the braking friction pair assembly are provided with central holes, so that a cavity of the brake 2 is formed for placing a speed reducer. In order to improve the heat dissipation performance of the braking device, the intermediate body 5 is provided with radial heat dissipation holes 5-1.
The traveling crane piston 3 is sleeved on the traveling crane cylinder body 2 in a movable fit manner and can abut against the friction pair group 6, and an annular gap between the traveling crane piston 3 and the traveling crane cylinder body 2 forms a traveling crane braking oil cavity E. The traveling crane cylinder 2 of the embodiment has a large warp section 2a, a tapered section 2b and a small diameter section 2c, wherein the large warp section 2a is adjacent to the traveling crane end cover 1. The traveling crane piston 3 is provided with a large diameter hole 3a, a tapered hole 3b and a small diameter hole 3c which are respectively matched with the large diameter section, the tapered section and the small diameter section of the traveling crane cylinder 2. When the service piston 3 is sleeved on the service cylinder body 2 in a movable fit manner, an annular gap is formed between the annular conical section bottom surface 2d of the service cylinder body 2 and the annular conical hole bottom surface 3d of the service piston 3, the annular gap is a service brake oil cavity E, and the service brake oil cavity E is a variable-section oil cavity because the section of the service brake oil cavity E is in a right-angled trapezoid shape. The sectional area of the service brake oil cavity is increased along with the increase of the moving distance of the service piston to the friction pair, the brake thrust is also increased, under the condition of certain hydraulic pressure, the brake thrust is increased to improve the brake torque, and when the friction coefficient is reduced due to the abrasion of the friction plate, the brake torque is not reduced.
If the traveling crane cylinder body 2 is a stepped cylinder body with a large diameter section and a small diameter section, the traveling crane piston 3 is provided with a stepped hole matched with the traveling crane cylinder body 2, and the section of an annular gap formed by movable fit between the traveling crane cylinder body and the traveling crane piston is rectangular, the traveling crane brake oil cavity E is an oil cavity with an equal section.
The parking piston 8 is movably matched and arranged in the parking cylinder body 7 and can abut against the friction pair group 6, and an annular gap between the parking cylinder body 7 and the parking piston 8 forms a parking braking oil cavity F. The parking piston 8 of this embodiment has big footpath section 8a and path section 8b, and wherein big footpath section 8a is close to parking end cover 9, and parking cylinder 7 has big footpath section, path section matching's big footpath hole 7a and path hole 7b with parking piston 8, and in parking cylinder 7 was arranged in to parking piston 8 clearance fit, annular clearance had between the annular bottom surface 7d of the big footpath section annular bottom surface 8d of parking piston 8 and the big footpath hole of parking cylinder 7, and this annular clearance is equal cross-section parking braking oil pocket F promptly.
Spring holes 8-1 are uniformly distributed in the circumferential direction of the parking piston 8, and a parking spring 11 tightly abutting against a parking end cover 9 is arranged in each spring hole 8-1. The parking spring 11 is composed of an outer parking spring 11-1 and an inner parking spring 11-2 embedded in the outer parking spring.
The traveling crane piston 3 is T-shaped and provided with a top part 3-1 radially expanded at the periphery, the top part 3-1 is positioned between the traveling crane end cover 2 and the brake friction pair assembly 6, the part, opposite to the top part 3-1, of the traveling crane piston on the traveling crane end cover 1 can be axially thickened, sleeve holes 1-1 which are circumferentially distributed and symmetrical are arranged on the thickened part of the traveling crane end cover 1, and adjusting holes 3-2 are formed in the top part 3-1 of the traveling crane piston 3 and opposite to each sleeve hole 1-1. Each sleeve hole 1-1 is provided with a gap adjusting mechanism 4, and parts of each gap adjusting mechanism 4 are inserted into the corresponding adjusting holes 3-2. The clearance adjusting mechanism 4 comprises a sleeve 4-1 fixed in a sleeve hole 1-1, a compensating spring 4-3 which is positioned in a central hole and limited by the sleeve clamping ring 4-4 is arranged in the sleeve 4-1, an adjusting screw rod 4-2 is inserted into the sleeve clamping ring 4-4 and the compensating spring 4-3, the adjusting screw rod 4-2 is tightly matched with the compensating spring 4-3, the partial insertion of the clearance adjusting mechanism 4 into the opposite adjusting hole 3-2 means that the head of the adjusting screw rod 4-2 is inserted into the opposite adjusting hole 3-2 of the traveling crane piston, and a screw clamping spring 4-5 which tightly clings the adjusting screw rod 4-2 to the bottom surface of the adjusting hole is arranged in the adjusting hole 3-2. When the traveling crane piston 3 moves, the adjusting screw rod 4-2 of the clearance adjusting mechanism 4 is driven to move, when the friction plate is abraded, the braking distance of the traveling crane piston 3 is increased, the length of the adjusting screw rod 4-2 extending out of the compensating spring 4-3 is increased due to the limit of the screw rod clamp spring 4-5, and the increased length is the braking increasing distance of the traveling crane piston 3. The function of clearance compensation of friction pair abrasion is realized.
The large-diameter section 2a of the traveling crane cylinder body 2 is provided with 2 annular outer wall grooves 2a-1 which are respectively embedded with a first sealing ring 13-1 and a first wear-resistant ring 12-1, the small-diameter section 2c of the traveling crane cylinder body 2 is provided with 3 annular outer wall grooves 2c-1 which are respectively embedded with a second wear-resistant ring 12-2, a second sealing ring 13-2 and a second dust-proof ring 14-2. The first sealing ring 13-1, the second sealing ring 13-2 and the second dust ring 14-2 are sealing rings and dust rings with U-shaped structures.
The wall of the large-diameter hole of the parking cylinder 7 is provided with 2 annular inner wall grooves 7a-1 which are respectively embedded with a third sealing ring 13-3 and a third wear-resistant ring 12-3, the wall of the small-diameter hole of the parking cylinder 7 is provided with 3 annular inner wall grooves 7b-1 which are respectively embedded with a fourth wear-resistant ring 12-4, a fourth sealing ring 13-4 and a fourth dust-proof ring 14-4, and the third sealing ring 13-3, the fourth sealing ring 13-4 and the fourth dust-proof ring 14-4 are sealing rings and dust-proof rings with U-shaped structures.
When the automobile is driven, high-pressure liquid is controlled to enter the parking brake oil cavity F, the parking piston 8 is pushed to move towards the parking end cover 9, and the parking spring 11 is compressed, so that the friction plate of the friction pair 6 is separated from the brake disc, and the automobile can be driven. When the high-pressure liquid enters the service braking oil cavity E, the service piston 3 is pushed to move towards the friction pair 6 until the friction pair is pressed, and service braking is realized. When the service braking oil cavity E and the parking braking oil cavity F are both decompressed, the parking spring 11 pushes the parking piston 6 to compress the friction pair, and parking braking is achieved.
Claims (12)
1. A vehicle driving and parking integrated brake device comprises a driving end cover (1), a driving cylinder body (2), a driving piston (3), a cylindrical intermediate body (5), a brake friction pair assembly (6), a parking cylinder body (7), a parking piston (8), a parking end cover (9) and a main parking spring (10); the friction plate of the braking friction pair component (6) and the intermediate body (5) form an axial moving pair, and the braking friction pair component is characterized in that: the driving end cover (1) and the parking end cover (9) are respectively connected to two ends of the intermediate body (5), and the driving cylinder body (2) and the parking cylinder body (7) are respectively positioned on two sides of the friction pair assembly (6) and are respectively connected with the driving end cover (1) and the parking end cover (9); the traveling crane piston (3) is sleeved on the traveling crane cylinder body (2) in a movable fit manner and can abut against the friction pair group (6), the traveling crane piston (3) is T-shaped, and an annular gap between the traveling crane piston (3) and the traveling crane cylinder body (2) forms a traveling crane brake oil cavity (E); parking piston (8) movable fit arranges the intracavity of parking cylinder body (7) in and can support and vice group of friction (6), and the annular gap between parking cylinder body (7) and parking piston (8) constitutes parking braking oil pocket (F), circumference evenly distributed is gone up in parking piston (8) has spring hole (8-1), is equipped with in every spring hole (8-1) tightly to parking spring (11) of parking end cover (9), and service braking oil pocket (E) is the variable cross section oil pocket.
2. The parking brake apparatus for a vehicle according to claim 1, wherein: the traveling crane cylinder body (2) is provided with a big warp section (2 a), a conical section (2 b) and a small diameter section (2 c), wherein the big warp section (2 a) is close to the traveling crane end cover (1), the traveling crane piston (3) is provided with a big warp hole (3 a), a conical hole (3 b) and a small diameter hole (3 c) which are respectively matched with the big warp section, the conical section and the small diameter section of the traveling crane cylinder body (2), and a gap between the annular conical section bottom surface (2 d) of the traveling crane cylinder body (2) and the annular conical hole bottom surface (3 d) of the traveling crane piston (3) forms the traveling crane brake oil cavity (E) with the variable cross section.
3. The parking brake apparatus for a vehicle according to claim 1, wherein: parking piston (8) have big footpath section (8 a) and path section (8 b), and wherein big footpath section (8 a) closes on parking end cover (9), and parking cylinder body (7) have big footpath section, path section matching with parking piston (8) big footpath hole (7 a) and path hole (7 b), and the clearance between big footpath section annular bottom surface (8 d) of parking piston (8) and the annular bottom surface (7 d) of the big footpath hole of parking cylinder body (7) constitutes parking braking oil chamber (F).
4. The parking brake apparatus for a vehicle according to claim 1, wherein: the traveling crane piston (3) is provided with a top part (3-1) with radially expanded periphery, and the top part (3-1) is positioned between the traveling crane end cover (2) and the braking friction pair assembly (6).
5. The parking brake apparatus for a vehicle according to claim 4, wherein: sleeve holes (1-1) which are circumferentially distributed and symmetrical are formed in the position, opposite to the top of the travelling crane piston (3), of the travelling crane end cover (1), and adjusting holes (3-2) are formed in the top (3-1) of the travelling crane piston (3) and opposite to each sleeve hole (1-1); each sleeve hole (1-1) is provided with a gap adjusting mechanism (4), and each gap adjusting mechanism (4) is partially inserted into the corresponding adjusting hole (3-2).
6. The parking brake apparatus for a vehicle according to claim 5, wherein: the clearance adjusting mechanism (4) comprises a sleeve (4-1) fixed in a sleeve hole (1-1), a compensating spring (4-3) which is positioned in a center hole and limited in the sleeve clamping ring (4-4) is arranged in the sleeve (4-1), an adjusting screw rod (4-2) is inserted into the sleeve clamping ring (4-4) and the compensating spring (4-3), the head (4-1) of the adjusting screw rod (4-2) is inserted into an adjusting hole (3-2) corresponding to the traveling crane piston, and a screw clamping spring (4-5) which tightly clings the adjusting screw rod (4-2) to the bottom surface of the adjusting hole is arranged in the adjusting hole (3-2).
7. The parking brake apparatus for a vehicle according to claim 6, wherein: the adjusting screw rod (4-2) is tightly matched with the compensating spring (4-3).
8. The parking brake apparatus for a vehicle according to claim 1, wherein: the large-diameter section (2 a) of the traveling crane cylinder body (2) is provided with 2 annular outer wall grooves (2 a-1) which are respectively embedded with a first sealing ring (13-1) and a first wear-resistant ring (12-1), and the small-diameter section (2 c) of the traveling crane cylinder body (2) is provided with 3 annular outer wall grooves (2 c-1) which are respectively embedded with a second wear-resistant ring (12-2), a second sealing ring (13-2) and a second dust ring (14-2).
9. The parking brake apparatus for a vehicle according to claim 8, wherein: the first sealing ring (13-1), the second sealing ring (13-2) and the second dust ring (14-2) are sealing rings and dust rings with U-shaped structures.
10. The parking brake apparatus for a vehicle according to claim 1, wherein: the parking cylinder is characterized in that 2 annular inner wall grooves (2 a-1) are formed in the wall of a large-diameter hole of the parking cylinder (7), a third sealing ring (13-3) and a third wear-resistant ring (12-3) are embedded in the grooves respectively, 3 annular inner wall grooves (2 b-1) are formed in the wall of a small-diameter hole of the parking cylinder (7), and a fourth wear-resistant ring (12-4), a fourth sealing ring (13-4) and a fourth dust-proof ring (14-4) are embedded in the grooves respectively.
11. The parking brake apparatus for vehicle according to claim 10, wherein: the third sealing ring (13-3), the fourth sealing ring (13-4) and the fourth dustproof ring (14-4) are sealing rings and dustproof rings with U-shaped structures.
12. The parking brake apparatus for a vehicle according to claim 1, wherein: the intermediate body (5) is provided with radial heat dissipation holes (5-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526958.3A CN106015396B (en) | 2016-07-06 | 2016-07-06 | Vehicle driving and parking integrated brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526958.3A CN106015396B (en) | 2016-07-06 | 2016-07-06 | Vehicle driving and parking integrated brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015396A CN106015396A (en) | 2016-10-12 |
| CN106015396B true CN106015396B (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610526958.3A Active CN106015396B (en) | 2016-07-06 | 2016-07-06 | Vehicle driving and parking integrated brake device |
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| CN (1) | CN106015396B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523550B (en) * | 2017-01-04 | 2018-09-25 | 中车戚墅堰机车车辆工艺研究所有限公司 | Automobile-used gap adjustable cone shape brake apparatus |
| CN108662048B (en) * | 2018-08-13 | 2023-07-04 | 眉山中车制动科技股份有限公司 | Locking mechanism |
| CN109707766A (en) * | 2019-03-06 | 2019-05-03 | 莱州亚通重型装备有限公司 | A kind of wet brake preventing venthole bleed |
| CN113531011B (en) * | 2021-09-17 | 2021-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Parking brake with braking force automatic compensation function |
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| EP0189892A1 (en) * | 1985-01-29 | 1986-08-06 | Mk "Balkan" | Wheel-reducing gear for a driving axle |
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| CN104773140A (en) * | 2015-03-31 | 2015-07-15 | 南车戚墅堰机车车辆工艺研究所有限公司 | Transmission brake integrated device for vehicle |
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| CN206159317U (en) * | 2016-07-06 | 2017-05-10 | 中车戚墅堰机车车辆工艺研究所有限公司 | Integrative arresting gear of automobile -used capable parking |
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| US8662277B2 (en) * | 2011-12-22 | 2014-03-04 | Fairfield Manufacturing Company, Inc. | Planetary gearbox with integral service brake |
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| 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 |
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| CN104728313A (en) * | 2015-03-31 | 2015-06-24 | 南车戚墅堰机车车辆工艺研究所有限公司 | Braking device for vehicle |
| CN104773140A (en) * | 2015-03-31 | 2015-07-15 | 南车戚墅堰机车车辆工艺研究所有限公司 | Transmission brake integrated device for vehicle |
| CN104989749A (en) * | 2015-07-07 | 2015-10-21 | 南车戚墅堰机车车辆工艺研究所有限公司 | Multi-plate dry brake |
| 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 |
| CN206159317U (en) * | 2016-07-06 | 2017-05-10 | 中车戚墅堰机车车辆工艺研究所有限公司 | Integrative arresting gear of automobile -used capable parking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015396A (en) | 2016-10-12 |
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