Wrench special for height adjusting valve connector of motor train unit

Abstract

The special spanner comprises a handle, one end of the handle is connected with a spanner head through a turning body, the handle is parallel to the spanner head, an opening of the spanner head faces the other end of the handle, and the turning body is connected with the spanner head. The other end of the handle is provided with a switching body used for being connected with a torque wrench, and the opening of the wrench head can be connected to the switching body of the torque calibrator in a clamped mode. According to the design, the reverse opening of the wrench can be used for simply and smoothly clamping and disassembling from the upper part of the height adjusting valve joint, even though the space between the upper part of the joint and a vehicle body is small, the wrench is not hindered for disassembling or assembling, and the wrench can enable the opening to be clamped from the upper part of the joint and the handle to be disassembled or assembled from the lower part of the joint.

Description

TECHNICAL FIELD

[0001] The utility model relates to an intercity rail vehicle assembly, overhaul auxiliary device especially, relates to a special spanner of EMU height adjustment valve joint. BACKGROUND

[0002] When the height adjustment valve joint of the intercity rail vehicle appears the air leakage phenomenon, needs to carry out its dismounting or installation, but due to the operation space limitation of rail vehicle, normal spanner and other tools cannot be operated flexibly. The upper part of part joint fastener even only exists 100mm or so space with the vehicle body space, the lower part cannot be dismounted from the lower part due to the component structure reason, is difficult to dismount or needs to use the special tool to dismount when not carrying out bogie dismounting, such as cutting the commonly used movable spanner handle to less than 100mm to dismount, cannot carry out fixed torque fastening. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. For this purpose, the utility model provides a convenient to use special spanner of EMU height adjustment valve joint.

[0004] The utility model discloses a technical scheme that solves the above technical problem is as follows:

[0005] A special spanner of EMU height adjustment valve joint, it includes handle, one end of handle is connected with spanner head through the turning body, the turning body includes cross bar, and the cross bar both ends are provided with vertical pole respectively, and the whole is arch bridge shape, the handle and the spanner head are parallel to each other, the opening of the spanner head is towards the other end of the handle, the other end of the handle is provided with the adapter body for connecting the torque spanner, the opening of the spanner head can be clamped on the torque calibrator adapter body.

[0006] According to some embodiments of the utility model, the distance between the handle and the spanner head is 8-12mm.

[0007] According to some embodiments of the utility model, the handle can be sleeved with a lengthened sleeve rod.

[0008] According to some embodiments of the utility model, the lengthened sleeve rod is a round sleeve.

[0009] According to some embodiments of the utility model, the opening of the spanner head is a fixed size opening for screwing the nut.

[0010] According to some embodiments of the utility model, the opening size of the spanner head is 17mm.

[0011] According to some embodiments of the utility model, the adapter body is a cuboid inserted on the torque spanner.

[0012] According to some embodiments of the utility model, the handle is fixed by welding with the wrench head through the turning body.

[0013] According to some embodiments of the utility model, the torque calibrator adapter is composed of a bolt head and a fixed column, the fixed column is a cuboid, and one side is embedded with telescopic beads for limiting clamping.

[0014] The utility model has at least the following beneficial effects: the reverse opening of the wrench can be used for simple and smooth clamping and dismounting from the upper part of the height adjustment valve joint, even if the upper part of the joint and the vehicle body space is small, it does not hinder the use of the wrench for dismounting or mounting, the wrench can clamp from above the joint, and the handle can be dismounted or mounted from below the joint. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings and embodiments, wherein:

[0016] Figure 1 It is the wrench structure schematic view of the utility model;

[0017] Figure 2 It is the use state installation schematic view of the utility model. DETAILED DESCRIPTION

[0018] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0019] In the description of the utility model, it should be understood that the orientation description, such as the orientation or position relationship of up, down and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0020] In the description of the utility model, multiple means more than two. If there is a description of first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0021] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood in a broad sense, and the skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0022] Referring to Figure 1 A special spanner for EMU height adjustment valve joint, which comprises a handle 1, one end of the handle 1 is connected with a spanner head 2 through a turning body 3, the turning body 3 comprises a horizontal rod, vertical rods are arranged at both ends of the horizontal rod respectively, and the whole is in the shape of an arch bridge, in order to ensure the firmness of the product, the handle 1 is welded and fixed with the spanner head 2 through the turning body 3, the handle 1 and the spanner head 2 are directly welded on the vertical rods, the handle 1 and the spanner head 2 are parallel to each other, the opening of the spanner head 2 faces the other end of the handle 1, that is, the spanner head 2 is installed reversely, the distance between the handle 1 and the spanner head 2 is 8-12 mm, and the optimal distance is 10 mm, the reversely installed spanner head 2 can avoid that one end of the handle interferes with the disassembly and fastening operation, and if the upper interference can be adjusted to the lower operation, the limited operation space of the interference end can be successfully avoided.

[0023] The opening of the spanner head 2 is a common and commonly used fixed size opening for screwing nuts, and the size is 17 mm.

[0024] Referring to Figure 2 The other end of the handle 1 is provided with an adapter body 4 for connecting a torque spanner, the adapter body 4 is a cuboid inserted on the torque spanner, the size of the adapter body 4 is 23 mm in length, 12 mm in width and 8 mm in thickness.

[0025] The opening of the spanner head 2 can be clamped on a torque calibrator adapter body 5. The torque calibrator adapter body 5 is composed of a bolt head 51 of M10 and a fixed column 52 with a length of 20 mm, the fixed column is a cuboid with a width of 13 mm, and one side is embedded with a telescopic bead 53 with a diameter of 5 mm for limiting clamping.

[0026] The handle 1 is 85 mm in length, in order to facilitate use, a lengthened sleeve rod 6 can be used to fasten or disassemble the work by sleeving into the handle 1. The lengthened sleeve rod 6 is a circular sleeve with a length of 158 mm and a thickness of 1.5 mm.

[0027] A method for using the special spanner for EMU height adjustment valve joint, which comprises the following steps:

[0028] Step 1), insert the adapter body 4 at one end of the spanner into the torque spanner, insert the matched torque calibrator adapter body 5 into the torque calibrator, insert the opening of the spanner head 2 into the bolt head 51 on the torque calibrator adapter body 5, and use uniform force to move the torque spanner so that the torque value displayed on the torque calibrator is 25 N·m;

[0029] Step 2, the opening of the wrench head 2 is clamped from the upper part of the height adjustment valve joint downwards, and the lengthened sleeve rod 6 is sleeved into the handle 1 to disassemble or fasten the joint;

[0030] Step 3, when fastening, the adapter 4 at one end of the wrench is inserted into the torque wrench, a torque of 25 N·m is applied by using the torque wrench to fasten, and the torque wrench is moved to clearly hear the click sound, indicating that the required torque has been applied.

[0031] The design utilizes the reverse opening of the wrench to simply and smoothly clamp and disassemble from the upper part of the height adjustment valve joint. Although the upper part of the joint is small in space with the vehicle body, it does not hinder the use of the wrench to disassemble or install. The wrench can clamp from above the joint, and the handle is disassembled or installed from below the joint.

[0032] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A special wrench for the connector of a height adjustment valve on a high-speed train, characterized in that: Includes a handle (1), one end of which is connected to a wrench head (2) via a pivot (3). The pivot (3) includes a horizontal bar with vertical bars at both ends, forming an arch bridge shape. The handle (1) and the wrench head (2) are parallel to each other. The opening of the wrench head (2) faces the other end of the handle (1). The other end of the handle (1) is provided with an adapter (4) for connecting a torque wrench. The opening of the wrench head (2) can be snapped onto the torque calibrator adapter (5).

2. The special wrench for the height adjustment valve connector of a high-speed train according to claim 1, characterized in that: The distance between the handle (1) and the wrench head (2) is 8-12 mm.

3. A special wrench for a height adjustment valve connector of a high-speed train according to claim 1, characterized in that: An extended sleeve (6) can be sleeved onto the outside of the handle (1).

4. A special wrench for a height adjustment valve connector of a high-speed train according to claim 3, characterized in that: The extended sleeve (6) is a round sleeve.

5. A special wrench for a height adjustment valve connector of a high-speed train according to claim 1, characterized in that: The opening of the wrench head (2) is a fixed-size opening for turning the nut.

6. A special wrench for a height adjustment valve connector of a high-speed train according to claim 5, characterized in that: The opening size of the wrench head (2) is 17mm.

7. A special wrench for a height adjustment valve connector of a high-speed train according to claim 1, characterized in that: The adapter (4) is a cuboid that is inserted into the torque wrench.

8. A special wrench for a height adjustment valve connector of a high-speed train according to claim 1, characterized in that: The handle (1) is welded and fixed to the wrench head (2) via a bending body (3).

9. A special wrench for a height adjustment valve connector of a high-speed train according to claim 1, characterized in that: The torque calibrator adapter (5) consists of a bolt head (51) and a fixing post (52). The fixing post (52) is a cuboid with a telescopic ball (53) embedded in one side for limiting and locking.

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