Tool for quickly adjusting height of coupler of railway wagon

Abstract

The utility model provides a tool for quickly adjusting the height of a wagon coupler, which provides guarantee for operators to carry the tool to quickly arrive at a site, timely and standardly dispose faults and quickly open a transportation line. The tool comprises a screw jack, a telescopic sleeve assembly and a base, the telescopic sleeve assembly is of a height-adjustable structure composed of an inner cylinder and an outer cylinder, and a safety pin is arranged for height fixation; the screw jack is welded and fixed to the top of the inner cylinder, and the base is installed at the bottom of the outer cylinder through quick connection. The lower part of the product adopts a sleeve combination design, the safety pin is inserted after the inner cylinder is directly pulled out by a proper height during use, the first-stage height adjustment is realized, and then the screw jack at the upper part is used for jacking a car coupler and then performing fine adjustment, so that faults can be quickly handled, and a transportation line can be quickly opened.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment for quickly adjusting and handling a failure of over-limit height of a coupler used by railway freight car operators. Background Art

[0002] For the failure of coupling height exceeding the limit, the general-purpose oil pick purchased on the market is generally used to deal with it. First, the oil pick is heavy and not convenient to carry to the scene quickly; second, the height of the railway freight car coupling is between 815mm-890mm, and the lifting height of the ordinary oil pick is insufficient, and a large number of pads need to be carried at the same time, which brings inconvenience to the rapid handling of the fault.

[0003] The handling of coupler height failure is a unique situation in the operation of railway freight cars. It is relatively specialized and has a limited scope of application. Currently, there are no special handling tools for this type of failure on the market. Summary of the invention

[0004] The utility model provides a simple and portable tool for quickly handling vehicle coupler height faults, which ensures that operators can carry the tool to quickly arrive at the site, handle the faults in a timely and standardized manner, and quickly open the transportation route.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A tool for quickly adjusting the height of a railway freight car coupler comprises a screw jack, a retractable sleeve assembly and a base. The retractable sleeve assembly is a height-adjustable structure consisting of an inner cylinder and an outer cylinder, and is provided with a safety pin for height fixation. The screw jack is welded and fixed to the top of the inner cylinder, and the base is installed at the bottom of the outer cylinder through a quick connection.

[0007] Furthermore, the base is disc-shaped.

[0008] Furthermore, the upper surface of the base is provided with a dovetail groove or a T-groove, and the bottom of the outer cylinder is provided with a dovetail block or a T-block matching therewith.

[0009] Furthermore, a positioning hole is provided at the center of the base, a threaded pin is welded and fixed on the outer cylinder, a nut is mounted on the threaded pin, and the positioning hole in the base is inserted into the threaded pin and fixed using the nut.

[0010] Furthermore, the base has two spatial states: state one, it is installed at the bottom of the telescopic sleeve assembly; state two, it can be fixed on the threaded pin.

[0011] Furthermore, the adjustment range of the retractable sleeve assembly is from 0 cm to 30 cm.

[0012] Furthermore, a handle is welded and fixed on the outer cylinder.

[0013] Furthermore, the product parameters of the screw jack are a tonnage of 2T and a lifting stroke in the range of 0 cm to 20 cm.

[0014] The beneficial effects of the utility model are:

[0015] The product is portable. In the past, ordinary oil picks on the market were used to deal with the over-limit fault of the coupler height. Ordinary oil picks are heavy, and because the lifting height is insufficient, a large number of pads must be carried at the same time. When dealing with the fault, 2 to 3 people are required to carry the tool. This product integrates the pad and the tool into one, and adopts a lightweight design. The tool is equipped with a handle, and the total weight is only about 10KG. Only one person can carry it and handle the fault.

[0016] High efficiency in troubleshooting. In the past, troubleshooting required carrying too many tools and materials, which slowed down the arrival at the site; secondly, the lifting speed of ordinary oil picks was slow, which affected the troubleshooting time. The lower part of this product adopts a sleeve combination design. When in use, the inner cylinder is directly pulled out to an appropriate height and the safety pin is inserted to achieve the first-level height adjustment. Then, the upper screw jack is used to lift the hook and make fine adjustments, which is convenient for quickly handling faults and quickly opening transportation routes.

[0017] After multiple actual verifications on site, the use of this tool to handle coupler height over-limit faults has reduced the number of operators from 2 to 3 to 1, and the fault handling time has been saved by more than 70% compared with the original method, achieving the purpose of convenient, fast and efficient handling of coupler height over-limit faults. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the utility model.

[0019] Figure 2 It is a top view of the utility model.

[0020] Figure 3 It is a partial cross-sectional view of the adjustable telescopic sleeve assembly.

[0021] Figure 4 This is the working state diagram of the utility model (low point).

[0022] Figure 5 It is the working state diagram of the utility model (high point).

[0023] Figure 6 This is the portable state of the utility model.

[0024] Figure 7 A three-dimensional diagram of the base.

[0025] In the figure:

[0026] 10 screw jack, 11 handle,

[0027] 20 telescopic sleeve assembly, 21 inner cylinder, 22 outer cylinder, 23 safety pin, 24 threaded pin, 25 nut, 26 handle, 27 T block,

[0028] 30 base, 31 T slot, 32 positioning hole. DETAILED DESCRIPTION

[0029] In view of the technical difficulties in dealing with the over-limit fault of the coupler height, this simple and portable coupler height fault quick handling tool was designed and developed to ensure that the operator can carry the tool to the site quickly, handle the fault in a timely and standardized manner, and quickly open the transportation line. Figure 1 To Attachment Figure 7 A detailed introduction to this tool.

[0030] 1. Technical principles

[0031] 1. The upper part of the tool is designed as a screw jack 10 structure, and the lower part is designed as a retractable sleeve assembly 20 structure. The screw jack is welded to the inner cylinder of the lower retractable sleeve assembly, that is, an integrated structure is formed by welding. The position of the screw jack in the height direction can be adjusted by pulling out the retractable sleeve assembly.

[0032] 2. Aiming at the height of the railway vehicle coupler, the retractable sleeve assembly is designed with multiple gears and adjustable height. The retractable sleeve assembly 20 is composed of an inner cylinder 21 and an outer cylinder 22, which are connected axially and slidably. The adjustment range of the retractable sleeve assembly is within 0-30 cm. The adjustment method is to open a circular hole at a specific height of the retractable sleeve assembly and use a safety pin 23 to fix the height, that is, after the upper screw jack is lifted together with the inner cylinder, the safety pin 23 is inserted into the circular hole.

[0033] Furthermore, a threaded pin 24 is welded and fixed on the outer cylinder, and a nut 25 is installed on the threaded pin. The base is fixed by inserting the threaded pin into the positioning hole in the base 30 and fixing it with the nut.

[0034] Furthermore, a handle 26 is welded and fixed on the outer tube. The handle 26 is U-shaped and attached to the outer tube, so as to be convenient for single-handed holding and carrying.

[0035] 3. For the over-limit failure of the coupler height, a handle 11 is set on the outer end port of the driving shaft of the upper screw jack, and the handle is plugged into the driving shaft port. The screw jack is driven by the handle to lift and lower the coupler, and fine-tune it after lifting the lower part of the coupler to ensure that the coupler height meets the application limit requirements.

[0036] 5. The upper screw jack 10 is purchased from the market, and the product parameters are: tonnage 2T, net weight 4.03KG, and jacking stroke in the range of 0-20 cm.

[0037] 6. It also includes a base 30, which is disc-shaped and has a large ground contact area. It is installed at the bottom of the telescopic sleeve assembly to increase the contact area with the ground. The base has two spatial states. State 1 is installed at the bottom of the telescopic sleeve assembly to increase the ground contact area. State 2 is fixed on the threaded pin for easy carrying.

[0038] Furthermore, the upper surface of the base 30 has a dovetail groove or T-slot 31, and the corresponding dovetail block or T-block 27 is at the bottom of the outer tube, and the two are quickly connected by plugging. A positioning hole 32 is set at the center of the base, and the positioning hole is used to cooperate with the threaded pin 24.

[0039] (ii) Technical know-how.

[0040] 1. The tool and the base are integrated into one design, which is easy to carry and saves you from carrying a lot of wood when troubleshooting.

[0041] 2. The materials and structures of the tools are designed to be lightweight, making it easy for operators to carry them.

[0042] 3. According to the height of the coupler of the railway vehicle, the tool is designed to lift the upper jack and insert the safety pin at the bottom, avoiding the slow lifting and lowering process when using an ordinary oil pick, saving troubleshooting time.

[0043] (III) Usage process

[0044] 1. Remove the base 30 from the threaded pin and place it under the hook (the part to be repaired) as a pad to increase stability by increasing the ground contact area.

[0045] 2. Quickly install the bottom of the telescopic sleeve assembly 20 with the base, then adjust the height of the telescopic sleeve assembly to a suitable height, and then insert the safety pin 23 to lock the height of the telescopic sleeve.

[0046] 3. Turn the handle 11 of the upper screw jack until the screw jack lifts the coupler and inspects it to ensure that the coupler height meets the application limit requirements.

[0047] 4. After the inspection is completed, turn the handle of the screw jack in the opposite direction, then remove the tool. After all the inspection work is completed, fix the base on the threaded pin for easy carrying.

[0048] The embodiments described above are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements to the present invention by relevant technical personnel in the field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A quick height adjustment tool for railway freight car couplers, characterized in that: It includes a screw jack, a retractable sleeve assembly and a base. The retractable sleeve assembly is a height-adjustable structure consisting of an inner cylinder and an outer cylinder, and is equipped with a safety pin for height fixation. The screw jack is welded and fixed to the top of the inner cylinder, and the base is installed at the bottom of the outer cylinder through a quick connection.

2. The railway freight car coupler height quick adjustment tool according to claim 1, characterized in that: The base is in the shape of a disc.

3. The railway freight car coupler height quick adjustment tool according to claim 2, characterized in that: The upper surface of the base is provided with a dovetail groove or a T-groove, and the bottom of the outer cylinder is provided with a dovetail block or a T-block matching therewith.

4. The railway freight car coupler height quick adjustment tool according to claim 3, characterized in that: A positioning hole is arranged at the center of the base, a threaded pin is welded and fixed on the outer cylinder, a nut is mounted on the threaded pin, the threaded pin is inserted into the positioning hole in the base and fixed with the nut.

5. The railway freight car coupler quick height adjustment tool according to claim 4, characterized in that: The base has two spatial states: state one, it is installed at the bottom of the telescopic sleeve assembly; state two, it can be fixed on the threaded pin.

6. The railway freight car coupler height quick adjustment tool according to claim 1, characterized in that: The adjustment range of the telescopic sleeve assembly is from 0 cm to 30 cm.

7. The railway freight car coupler height quick adjustment tool according to claim 1, characterized in that: A fixed handle is welded on the outer cylinder.

8. The railway freight car coupler height quick adjustment tool according to claim 1, characterized in that: The product parameters of the screw jack are a tonnage of 2T and a lifting stroke in the range of 0 cm to 20 cm.

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