CN219619108U

CN219619108U - Traction hook limiting device of traction arm

Info

Publication number: CN219619108U
Application number: CN202320907376.5U
Authority: CN
Inventors: 肖晶; 唐军; 唐小欢
Original assignee: Hunan Shengshitong Technology Co ltd
Current assignee: Hunan Shengshitong Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-09-01
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a traction hook limiting device of a traction arm, which comprises the traction arm; a draft gear assembly for hooking a train; the fixed seat is arranged at one end of the traction arm; the fixing seat is provided with a notch for the connecting rod device to pass through; the fixing seat is provided with a through hole for the rotation shaft to pass through; the rotation axis is close to fixing base one end is provided with the locking piece, and the other end is provided with the locking stem. According to the utility model, the through hole is formed in the fixing seat, and the locking block is arranged after the rotating shaft passes through the through hole, so that the locking block and the fixing seat form resultant force on the connecting rod device at the opening of the fixing seat, the connecting rod device is fully fixed, larger push-pull force can be born in the traction process of the railway carriage, and the service life of the traction hook is prolonged.

Description

Traction hook limiting device of traction arm

Technical Field

The utility model relates to the technical field of traction equipment, in particular to a traction hook limiting device of a traction arm.

Background

In the current freight railway transportation process, due to the cargo handling requirement, a traction device is often required to be used for traction of a freight car. The installation seat in the traditional traction vehicle hook is connected with the connecting rod in a plug-in mode, so that the connection between the traction vehicle and the towed carriage is realized. When the traction hook is in the working position, the traction hook needs to drag and push and pull the heavy-load carriage, so that the traction force needed to bear is large, the traction hook is easy to damage or deform, and the operation safety is affected.

Therefore, how to provide a traction device for traction of a railway carriage, which increases the overall structural strength and prolongs the service life of the traction device, thereby reducing the use cost is a problem to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide a traction hook limiting device of a traction arm, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a traction hook limiting device of a traction arm comprises the traction arm; a draft gear assembly for hooking a train; the fixed seat is arranged at one end of the traction arm; the fixing seat is provided with a notch for the connecting rod device to pass through; the fixing seat is provided with a through hole for the rotation shaft to pass through; a locking block is arranged at one end of the rotating shaft, which is close to the fixed seat, and a locking rotating handle is arranged at the other end of the rotating shaft; the method is characterized in that: one end of the locking rotating handle is connected with the locking oil cylinder, and the locking rotating handle, the rotating shaft and the locking block are driven to rotate by stretching or shrinking of the locking oil cylinder.

Further, the lower end of the traction hook assembly is provided with a connecting rib plate, and the connecting rib plate is provided with a first hinge hole and a second hinge hole.

Further, the device also comprises a supporting rod; the upper end of the supporting rod is hinged with the connecting rib plate through a hinge hole, and the lower end of the supporting rod is hinged with the traction arm through a hinge hole.

Further, the upper end of the connecting rod device is hinged with the connecting rib plate through the first hinge hole, and the lower end of the connecting rod device is hinged on the traction arm through the hinge hole.

Further, the rotating shaft is connected with the locking rotating handle in a sleeving manner, and a device for increasing the rotating force transmitted to the rotating shaft by the locking rotating handle is arranged at the connecting part of the rotating shaft.

Further, the rotating shaft is connected with the locking block in a sleeving manner, and a device for increasing the rotating force transmitted by the rotating shaft to the locking block is arranged at the connecting part of the rotating shaft.

The utility model has the technical effects and advantages that:

(1) According to the utility model, the through hole is formed in the fixing seat, and the locking block is arranged after the rotating shaft passes through the through hole, so that the locking block and the fixing seat form resultant force on the connecting rod device at the opening of the fixing seat, the connecting rod device is fully fixed, larger push-pull force can be born in the traction process of the railway carriage, and the service life of the traction hook is prolonged.

(2) The traction device comprises a traction arm, a connecting rib plate, a connecting rod device and a supporting rod, wherein the traction arm, the connecting rib plate, the connecting rod device and the supporting rod form a quadrilateral structure; when the connecting rod device is not fixed by the locking block, the traction hook component can naturally fall down to be contracted to a position close to the traction arm, so that space can be effectively saved, and meanwhile, stress deformation and loss caused by the influence of gravity on the whole component are reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of a link device according to the present utility model;

FIG. 3 is a schematic view of a partial structure of a lock block according to the present utility model;

the attached table indicates: 1. a draft gear assembly; 2. a link device; 3. a locking swivel handle; 4. a locking oil cylinder; 5. a locking block; 6. a fixing seat; 7. a support rod; 8. a traction arm body; 10. a notch; 12. connecting rib plates; 101. a first hinge hole; 202. a second hinge hole; 303. a third hinge hole; 404. a fourth hinge hole; 20. and (3) rotating the shaft.

Detailed Description

For a better understanding of the utility model with its objects, structures and functions. The utility model relates to a traction hook limiting device of a traction arm, which is further described in detail below with reference to the accompanying drawings.

In the description of this patent, it should be understood that, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to the orientation or positional relationship as shown in the drawings, merely for convenience in describing the patent and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the patent, but rather that the terms "mounted," "configured," "connected," "secured," "screwed," etc. should be construed broadly, and may be fixedly connected, or may be detachably connected, or integrated, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this patent will be understood by those of ordinary skill in the art.

As shown in fig. 1 to 3, a traction hook limiting device of a traction arm comprises a traction arm 8; a draft gear assembly 1 for hooking a train; the fixed seat 6 is arranged at one end of the traction arm 8; the traction arm 8 is a main force transmission member, and the traction device is used for traction of the railway carriage and mainly transmits by the traction arm 8. The main function of the fixing seat 6 is to provide a condition for the fixed locking of the link device 2.

The fixed seat 6 is provided with a notch 10 for the connecting rod device 2 to pass through; the whole design of the fixing seat 6 is similar to a cuboid shape, and the notch 10 on the longer side is mainly used for accommodating the connecting rod device 2 to be close to the fixing seat 6, the design size of the fixing seat 6 can be changed according to the design of the connecting rod device 2, and the matching relationship between the fixing seat and the connecting rod device is clearance fit.

The fixing base 6 is provided with a through hole 606 for the rotation shaft 20 to pass through; a locking block 5 is arranged at one end of the rotating shaft 20, which is close to the fixed seat 6, and a locking rotating handle 3 is arranged at the other end; one end of the locking rotary handle 3 is connected with the locking oil cylinder 4, and the locking rotary handle 3, the rotating shaft 20 and the locking block 5 are driven to rotate by stretching or shrinking of the locking oil cylinder 4. After the rotating shaft 20 passes through the fixed seat 6, one end, close to the connecting rod device 2, of the rotating shaft 20 is connected with the locking block 5, the other end of the rotating shaft is connected with the locking rotating handle 3, and when the locking oil cylinder 4 drives the rotating shaft 20 to rotate, the rotating shaft 20 also drives the locking block 5 to rotate. When the locking block 5 rotates to the locking position, three stress surfaces of the locking block 5 and the notch 10 form resultant force, and the locking limit of the connecting rod device 2 is completed, so that the integral strength of the traction hook assembly 1 is increased, and the service life of the integral device is prolonged.

The lower end of the traction hook assembly 1 is provided with a connecting rib plate 12, and the connecting rib plate 12 is provided with a first hinge hole 101 and a second hinge hole 202. The traction force of the traction arm 1 is transmitted to the traction hook assembly 1 by the connecting rib plates 12, the connecting rib plates 12 are made of high-strength steel, and the design parameters meet the traction operation requirements of the railway carriage under heavy load.

The technical scheme of the utility model also comprises a supporting rod 7; the upper end of the supporting rod 7 is hinged with the connecting rib plate 12 through a hinge hole 202, and the lower end of the supporting rod is hinged with the traction arm 8 through a fourth hinge hole 404.

The upper end of the connecting rod device 2 is hinged with the connecting rib plate 12 through the first hinge hole 101, and the lower end of the connecting rod device 2 is hinged on the traction arm 8 through the third hinge hole 303. The traction device comprises a traction arm 1, a connecting rib plate 12, a connecting rod device 2 and a supporting rod 7, wherein the traction arm is similar to a quadrilateral structure, and when a locking block fixes the connecting rod device, a traction hook component is positioned at a working position; when the connecting rod device is not fixed by the locking block, the traction hook component can naturally fall down to be contracted to a position close to the traction arm, so that space can be effectively saved, and meanwhile, stress deformation and loss caused by the influence of gravity on the whole component are reduced.

In the present utility model, the rotation shaft 20 is connected to the locking knob 3 by a socket joint, and a means for increasing the rotation force transmitted from the locking knob 3 to the rotation shaft 20 is provided at the connection portion thereof.

The rotation shaft 20 is connected with the locking block 5 by a socket joint, and a connection part thereof is provided with a device for increasing the rotation force transmitted from the rotation shaft 20 to the locking block 5. In all shaft pin connection modes, modes such as clamping groove connection, threaded connection and the like can be added, so that the two modes are synchronous when rotating, and energy loss is reduced.

When the traction device is in the working position, the connecting rod device 2 is positioned in the notch of the fixed seat 6, the locking oil cylinder 4 drives the locking rotary handle 3 to rotate, the locking rotary handle 3 drives the rotating shaft 20 to rotate, the rotating shaft 20 drives the locking block 5 to rotate to the locking position, the connecting rod device 2 is fixed together through the notch 10 of the fixed seat 6 and the locking block 5 to form mechanical limit, and the push-pull force of the traction device for the traction train is born. When the traction hook component needs to be retracted, the locking oil cylinder 4 drives the locking rotary handle 3 to rotate, so that the rotating shaft 20 is driven to rotate, the rotating shaft 20 drives the locking block 5 to the release position, and the traction hook component can fall to the retraction position.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A traction hook limiting device of a traction arm, which comprises the traction arm (8); a draft gear assembly (1) for hooking a train; the fixed seat (6) is arranged at one end of the traction arm (8); a notch (10) for the connecting rod device (2) to pass through is arranged on the fixed seat (6); a through hole (606) for the rotation shaft (20) to pass through is formed in the fixed seat (6); one end of the rotating shaft (20) close to the fixed seat (6) is provided with a locking block (5), and the other end is provided with a locking rotating handle (3); the method is characterized in that: one end of the locking rotating handle (3) is connected with the locking oil cylinder (4), and the locking rotating handle (3), the rotating shaft (20) and the locking block (5) are driven to rotate by stretching or shrinking of the locking oil cylinder (4).

2. The draft gear hook limiting device of a draft gear arm according to claim 1 wherein: the traction device is characterized in that a connecting rib plate (12) is arranged at the lower end of the traction device hook assembly (1), and a first hinge hole (101) and a second hinge hole (202) are formed in the connecting rib plate (12).

3. The draft gear hook limiting device of a draft gear arm according to claim 2 wherein: also comprises a supporting rod (7); the upper end of the supporting rod (7) is hinged with the connecting rib plate (12) through a hinge hole (202), and the lower end of the supporting rod is hinged with the traction arm (8) through a fourth hinge hole (404).

4. The draft gear hook limiting device of a draft gear arm according to claim 2 wherein: the upper end of the connecting rod device (2) is hinged with the connecting rib plate (12) through the first hinge hole (101), and the lower end of the connecting rod device (2) is hinged on the traction arm (8) through the third hinge hole (303).

5. The draft gear hook limiting device of a draft gear arm according to claim 1 wherein: the rotating shaft (20) is connected with the locking rotating handle (3) in a sleeving manner, and a connecting part of the rotating shaft is provided with a device for increasing the rotating force transmitted by the locking rotating handle (3) to the rotating shaft (20).

6. The draft gear hook limiting device of a draft gear arm according to claim 1 wherein: the rotating shaft (20) is connected with the locking block (5) in a sleeving manner, and a connecting part of the rotating shaft is provided with a device for increasing the rotating force transmitted by the rotating shaft (20) to the locking block (5).