Vehicle side manual relieving device for automatic parking device

Abstract

The utility model discloses a vehicle side manual relieving device for an automatic parking device. The vehicle side manual relieving device specifically comprises the automatic parking device, a gear set, a steel wire rope and a handle. The gear set is installed on the end face of the automatic parking device, and the output end of the gear set is connected to a rotating shaft of the automatic parking device. The inner end of the steel wire rope is wound on the gear set, and the outer end is connected with the handle; on one hand, by means of the novel manual relieving structure, the operation position is arranged at the position, where operation is convenient, of the vehicle, relieving of the automatic parking device can be controlled only by pulling the manual relieving handle, extra tools are not needed, and personal safety and driving safety of operators are guaranteed; on the other hand, through labor-saving structures such as a V-shaped wheel and a gear, the problem that on-site users cannot operate or are difficult to operate in place is solved; in addition, through the corrosion-resistant protective outer cover and the sealing gasket, the situation that water enters the device to cause corrosion when the vehicle is cleaned or rained can be avoided, and the requirements for corrosion prevention and dust prevention are met.

Description

Technical Field

[0001] This application belongs to the technical field of railway vehicle braking, and in particular, relates to a manual release device on the vehicle side for an automatic parking brake. Background Art

[0002] Currently, the manual release devices of locomotive and vehicle automatic parking brakes are all directly led out by a rotating shaft, with an external handle, and the manual handle is rotated to release the parking brake;

[0003] The existing directly led-out type manual release device has no force-saving mechanism, and the operation is very laborious. In some cases, external tools / forces are needed to operate it in place. Secondly, the existing manual release operation is on the automatic parking brake body and needs to be carried out above the middle track of the vehicle. Some vehicles and lines do not have this operation space or the operation space is limited, making it very inconvenient to use and bringing great inconvenience and potential safety hazards to the safety of operators themselves and train operation. Content of the Utility Model

[0004] The purpose of this application is to provide a remote release device for use in conjunction with an automatic parking brake of a locomotive and vehicle. The operation position is installed at a convenient position on the vehicle. By simply pulling the manual release handle, the release of the automatic parking brake can be controlled without additional tools, and the structure is simple, compact, and easy to manufacture and implement.

[0005] To solve the technical problem of inconvenient operation and potential safety hazards of the manual release device in the prior art, this application provides a manual release device on the vehicle side for an automatic parking brake, including an automatic parking brake, and is characterized by further including a gear set, a steel wire rope, and a handle; the gear set is installed on the end face of the automatic parking brake, and the output end of the gear set is connected to the rotating shaft of the automatic parking brake; the inner end of the steel wire rope is wound around the gear set, and the outer end is connected to the handle.

[0006] Further, in the manual release device on the vehicle side for an automatic parking brake provided by this application, the gear set includes a V-shaped wheel, a V-shaped wheel shaft, a large gear, and a large gear shaft; small gears are circumferentially arranged on the V-shaped wheel shaft, the inner end of the V-shaped wheel shaft is inserted into the positioning hole a on the end face of the automatic parking brake, and the V-shaped wheel is key-connected to the V-shaped wheel shaft; the large gear shaft is connected to the rotating shaft of the automatic parking brake, and the large gear is key-connected to the large gear shaft; the small gears and the large gear are meshed and connected; the inner end of the steel wire rope is wound around the V-shaped wheel.

[0007] Further, in the manual release device on the vehicle side for an automatic parking brake provided by this application, a threaded guide post is further included. An axial shaft hole is opened in the large gear shaft, and the inner end of the threaded guide post penetrates through the shaft hole and is connected to the rotating shaft of the automatic parking brake, and the outer end abuts against the large gear shaft.

[0008] Further, a vehicle - side manual release device for an automatic parking brake provided by the present application further includes a V - shaped wheel cover. A positioning hole b is arranged inside the V - shaped wheel cover. The V - shaped wheel cover covers the gear set, and the outer end of the V - shaped wheel shaft is inserted into the positioning hole b.

[0009] Further, a vehicle - side manual release device for an automatic parking brake provided by the present application. The V - shaped wheel cover is installed on the end face of the automatic parking brake by hexagon socket head cap screws. A sealing gasket is clamped between the V - shaped wheel cover and the end face of the automatic parking brake. A self - locking washer is clamped between the hexagon socket head cap screws and the V - shaped wheel cover.

[0010] Further, a vehicle - side manual release device for an automatic parking brake provided by the present application. Several exhaust groove dowel pins are arranged at the inner end of the V - shaped wheel cover. The exhaust groove dowel pins are inserted into the end face pin holes of the automatic parking brake, and the exhaust groove dowel pins communicate the inner cavity of the V - shaped wheel cover with the outside.

[0011] Further, a vehicle - side manual release device for an automatic parking brake provided by the present application further includes a wire rope fixing structure. The wire rope fixing structure includes a wire rope locking device, a hexagon nut and a hexagon hollow screw. A bolt hole is opened on the handle. The outer end of the wire rope is connected to the wire rope locking device. The wire rope locking device is fitted into the bolt hole. The hexagon nut is tightened on the hexagon hollow screw. The hexagon hollow screw is screwed into the bolt hole, and the outer end of the wire rope penetrates through the hexagon hollow screw.

[0012] Compared with the prior art, the present application has the following advantages: By setting a new manual release structure, the operation position is installed at a convenient position on the vehicle. Just pulling the manual release handle can control the release of the automatic parking brake, without the need for additional tools. The structure is simple, compact and easy to manufacture and implement.

[0013] The present application is provided with a labor - saving structure, which solves the problem that on - site users cannot operate or it is difficult to operate in place.

[0014] The present application is provided with a protective cover and a sealing gasket for dust and water protection, which can avoid the situation of water entering the device and causing corrosion when the vehicle is washed or in the rain, and has strong environmental adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a vehicle - side manual release device for an automatic parking brake of the present utility model;

[0016] Figure 2 is Figure 1 a cross - sectional view.

[0017] Wherein: 1. Automatic parking brake; 2. Steel wire rope; 3. Handle; 4. Steel wire rope locking device; 5. Hexagonal nut; 6. Hexagonal hollow screw; 7. V-shaped wheel; 8. V-shaped wheel shaft; 9. Large gear; 10. Large gear shaft; 11. Threaded guide post; 12. V-shaped wheel cover; 13. Small gear; 14. Positioning hole b; 15. Socket head cap screw; 16. Gasket; 17. Self-locking washer; 18. Exhaust groove dowel pin. Detailed implementation manners

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0021] The following will detail the specific implementation manners of the present invention with reference to the accompanying drawings and further explain the technical effects that the present invention can achieve.

[0022] As Figure 1 and Figure 2As shown in the figure, this embodiment provides a vehicle-side manual release device for an automatic parking brake, including an automatic parking brake 1, a gear set, a steel wire rope 2, a handle 3, and a steel wire rope fixing structure; the gear set is installed on the end face of the automatic parking brake 1, and the output end of the gear set is connected to the rotating shaft of the automatic parking brake 1; the inner end of the steel wire rope 2 is wound around the gear set, and the outer end is connected to the handle 3; the steel wire rope fixing structure includes a steel wire rope wire lock 4, a hexagonal nut 5, and a hexagonal hollow screw 6; a bolt hole is opened in the handle 3, the outer end of the steel wire rope 2 is connected to the steel wire rope wire lock 4, the steel wire rope wire lock 4 is fitted into the bolt hole, the hexagonal nut 5 is tightened on the hexagonal hollow screw 6, the hexagonal hollow screw 6 is screwed into the bolt hole, and the outer end of the steel wire rope 2 passes through the hexagonal hollow screw 6;

[0023] Among them, as Figure 2 shown, the gear set includes a V-shaped wheel 7, a V-shaped wheel shaft 8, a large gear 9, a large gear shaft 10, a threaded guide post 11, and a V-shaped wheel outer cover 12; a small gear 13 is circumferentially arranged on the V-shaped wheel shaft 8, the inner end of the V-shaped wheel shaft 8 is inserted into the positioning hole a on the end face of the automatic parking brake 1, and the V-shaped wheel 7 is key-connected to the V-shaped wheel shaft 8; the large gear shaft 10 is connected to the rotating shaft of the automatic parking brake 1, and the large gear 9 is key-connected to the large gear shaft 10; the small gear 13 and the large gear 9 are meshed and connected; the inner end of the steel wire rope 2 is wound around the V-shaped wheel 7; an axial hole is opened in the large gear shaft 10, the inner end of the threaded guide post 11 passes through the axial hole and is connected to the rotating shaft of the automatic parking brake 1, and the outer end abuts against the large gear shaft 10; a positioning hole b14 is arranged on the inner side of the V-shaped wheel outer cover 12, the V-shaped wheel outer cover 12 covers the gear set, and the outer end of the V-shaped wheel shaft 8 is inserted into the positioning hole b14; the V-shaped wheel outer cover 12 is installed on the end face of the automatic parking brake 1 through an inner hexagon socket head cap screw 15, a sealing gasket 16 is clamped between the V-shaped wheel outer cover 12 and the end face of the automatic parking brake 1, and a self-locking washer 17 is clamped between the inner hexagon socket head cap screw 15 and the V-shaped wheel outer cover 12; a plurality of exhaust groove dowel pins 18 are arranged at the inner end of the V-shaped wheel outer cover 12, the exhaust groove dowel pins 18 are inserted into the end face pin holes of the automatic parking brake 1, and the exhaust groove dowel pins 18 communicate the inner cavity of the V-shaped wheel outer cover 12 with the outside.

[0024] In this embodiment, the handle 3 is connected to the outer end of the steel wire rope 2 by a steel wire rope wire lock 4, a hexagon nut 5 and a hexagon hollow screw 6. The inner end of the steel wire rope 2 is embedded in the V-shaped wheel housing 12 and wound into the V-shaped wheel. The V-shaped wheel and the V-shaped wheel shaft are connected by a key. One end of the V-shaped wheel shaft is inserted into the positioning hole b14 of the V-shaped wheel housing, and the other end is inserted into the positioning hole a of the automatic parking brake 1 body. A small gear 13 is circumferentially arranged on the V-shaped wheel shaft and meshes with the tooth end of the large gear 9. The large gear 9 is connected to the large gear shaft 10 by a key. The large gear shaft 10 and the large gear shaft 10 gasket are connected and fixed to the rotating shaft of the automatic parking brake 1 by a threaded guide post 11. The V-shaped wheel housing and the gasket 16 are fixed to the automatic parking brake 1 body by an internal hexagon socket head screw 15 and a self-locking washer 17. The overall position of the device is accurately positioned by an exhaust groove cylindrical pin 18;

[0025] By extending the length of the steel wire rope 2, the manual release handle 3 can be installed at convenient positions on both sides of the vehicle, thus avoiding the safety risks of operators entering under the vehicle or in the middle of the vehicle (the installation position of the automatic parking brake 1) for operation.

[0026] Details not described in this utility model are all well-known techniques to those skilled in the art.

[0027] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of the present utility model through logical analysis, reasoning or limited experiments based on the concept of the present utility model on the basis of the existing technology should be within the protection scope determined by the claims.

Claims

1. A vehicle-side manual release device for an automatic parking brake, comprising an automatic parking brake (1), characterized in that, It also includes a gear set, a steel wire rope (2) and a handle (3); the gear set is installed on the end face of the automatic parking brake (1), and the output end of the gear set is connected to the rotating shaft of the automatic parking brake (1); the inner end of the steel wire rope (2) is wound around the gear set, and the outer end is connected to the handle (3).

2. The vehicle-side manual release device for an automatic parking brake according to claim 1, characterized in that, The gear set includes a V-shaped wheel (7), a V-shaped wheel shaft (8), a large gear (9) and a large gear shaft (10); a small gear (13) is circumferentially arranged on the V-shaped wheel shaft (8), the inner end of the V-shaped wheel shaft (8) is inserted into the positioning hole a on the end face of the automatic parking brake (1), and the V-shaped wheel (7) is key-connected to the V-shaped wheel shaft (8); the large gear shaft (10) is connected to the rotating shaft of the automatic parking brake (1), and the large gear (9) is key-connected to the large gear shaft (10); the small gear (13) and the large gear (9) are meshed and connected; the inner end of the steel wire rope (2) is wound around the V-shaped wheel (7).

3. The vehicle-side manual release device for an automatic parking brake according to claim 2, wherein, It also includes a threaded guide post (11), an axial shaft hole is opened on the large gear shaft (10), the inner end of the threaded guide post (11) penetrates through the shaft hole and is connected to the rotating shaft of the automatic parking brake (1), and the outer end is stopped against the large gear shaft (10).

4. The vehicle-side manual release device for an automatic parking brake according to claim 2, wherein, It also includes a V-shaped wheel outer cover (12), a positioning hole b (14) is arranged on the inner side of the V-shaped wheel outer cover (12), the V-shaped wheel outer cover (12) covers the gear set, and the outer end of the V-shaped wheel shaft (8) is inserted into the positioning hole b (14).

5. The vehicle-side manual release device for an automatic parking brake according to claim 4, wherein, The V-shaped wheel outer cover (12) is installed on the end face of the automatic parking brake (1) through an inner hexagonal socket head cap screw (15), a sealing gasket (16) is clamped between the V-shaped wheel outer cover (12) and the end face of the automatic parking brake (1), and a self-locking washer (17) is clamped between the inner hexagonal socket head cap screw (15) and the V-shaped wheel outer cover (12).

6. The vehicle-side manual release device for an automatic parking brake according to claim 4 or 5, characterized in that, Several exhaust groove cylindrical pins (18) are arranged at the inner end of the V-shaped wheel outer cover (12), the exhaust groove cylindrical pins (18) are inserted into the end face pin holes of the automatic parking brake (1), and the exhaust groove cylindrical pins (18) communicate the inner cavity of the V-shaped wheel outer cover (12) with the outside.

7. The vehicle-side manual release device for an automatic parking brake according to claim 1, characterized in that, It also includes a fixing structure for the steel wire rope (2), and the fixing structure for the steel wire rope (2) includes a steel wire rope wire lock (4), a hexagonal nut (5) and a hexagonal hollow screw (6); a bolt hole is opened on the handle (3), the outer end of the steel wire rope (2) is connected to the steel wire rope wire lock (4), the steel wire rope wire lock (4) is fitted into the bolt hole, the hexagonal nut (5) is tightened on the hexagonal hollow screw (6), the hexagonal hollow screw (6) is screwed into the bolt hole, and the outer end of the steel wire rope (2) penetrates through the hexagonal hollow screw (6).

Images