Disassembling device for axle bearing box of subway train

Abstract

The utility model discloses a subway train axle bearing box disassembling device which comprises a sleeve, and a working cavity is formed in the sleeve and used for containing a jack for disassembling. A front cover is arranged at one end of the sleeve, and the sleeve is connected with a bearing box through the front cover; one end of the sleeve is a working cavity, the other end of the sleeve is a rear cover, the jack is placed in the working cavity, one end of the jack abuts against the rear cover, the other end of the jack penetrates through the front cover to abut against the end of a train axle, a jack cylinder body acts on the train axle, and the front cover, the bearing box and the train axle generate displacement through counter-acting force. And finally, the bearing box is withdrawn from the train axle. The subway train axle bearing box disassembling device has the advantages of being small in size, easy to operate, large in bearing pressure and the like; and the bearing box can be quickly disassembled in cooperation with a hydraulic jack.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit wheel pair system maintenance appliance technical field, especially relates to a subway train axle bearing box dismounting device. BACKGROUND

[0002] With the progress of science and technology and the development of subway train technology, the axle end of subway train is equipped with a bearing box, when the bearing box needs to be maintained, the bearing box needs to be dismounted from the axle. The existing bearing box dismounting method has knocking method, pulling out method, pressing and pushing method, hot dismounting and the like.

[0003] But when the dismounting process encounters the situation of jam, there is no special dismounting tool, and manual dismounting consumes much time, which affects the maintenance efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a subway train axle bearing box dismounting device to solve the problem that manual dismounting is difficult when the subway bearing box body dismounting encounters jam.

[0005] To solve the above technical problem, the utility model provides a subway train axle bearing box dismounting device, including the sleeve, the inside of sleeve is the working cavity, is used for accommodating the dismounting jack;

[0006] One end of sleeve is the front cover, is connected with bearing box through front cover;

[0007] The other end of sleeve is the back cover, and the jack is placed in the working cavity, and one end abuts against the back cover, and the other end passes through the front cover and is in abutment with the train axle end, and the jack cylinder body acts on the train axle, and the reaction force makes the front cover and the bearing box and the train axle produce displacement, finally makes the bearing box exit from the train axle.

[0008] Preferably, a plurality of connecting holes are formed in the front cover, and the front cover and the box body of the bearing box are connected through connecting bolts penetrating the connecting holes.

[0009] Preferably, the connecting holes are four, and are uniformly distributed around the central axis of the front cover.

[0010] Preferably, the sleeve side wall is provided with a plurality of reinforcing ribs, and the reinforcing ribs are arranged at the connecting position of the sleeve and the front cover to strengthen the connection strength at the position.

[0011] Preferably, the reinforcing ribs are four groups, and are uniformly distributed around the side wall of the sleeve.

[0012] Preferably, the sleeve is provided with a pipe penetrating hole in the side wall of one end close to the rear cover, when the jack is placed in the sleeve, the hydraulic pipe joint of the jack is connected with the external hydraulic system through the pipe penetrating hole.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The subway train axle bearing box disassembling device has the characteristics of small size, simple operation, high pressure bearing, etc. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 Is the schematic diagram of the subway train axle bearing box disassembling device provided by the utility model when disassembling;

[0016] Fig. 2 Is the structural schematic diagram of the subway train axle bearing box disassembling device first view provided by the utility model;

[0017] Fig. 3 Is the structural schematic diagram of the subway train axle bearing box disassembling device second view provided by the utility model;

[0018] Fig. 4 Is the front view of the subway train axle bearing box disassembling device provided by the utility model;

[0019] Fig. 5 Is the top view of the subway train axle bearing box disassembling device provided by the utility model.

[0020] In the drawing: 1, sleeve;101, working cavity;102, pipe penetrating hole;2, front cover;201, connecting hole;3, rear cover;4, reinforcing rib;100, jack;200, bearing box;300, train axle. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail below in combination with the drawings and specific embodiments. The advantages and features of the utility model will be more clear according to the following description and claims. It should be noted that the drawings are all very simplified and use non-precise scale, only to facilitate, clear and assist the purpose of explaining the embodiment of the utility model.

[0022] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example

[0024] This utility model provides a disassembly device for a subway train axle bearing housing. Please refer to [link / reference]. Figs. 1-3 The device includes a sleeve 1, the inside of which is a working cavity 101 for accommodating a jack 100 for disassembly; one end of the sleeve 1 is a front cover 2, which is connected to a bearing housing 200; the other end of the sleeve 1 is a rear cover 3. The jack 100 is placed in the working cavity 101, with one end abutting against the rear cover 3 and the other end passing through the front cover 2 and abutting against the end of the train axle 300. The cylinder of the jack 100 acts on the train axle 300, and the reaction force causes the front cover 2 and the bearing housing 200 to displace from the train axle 300, ultimately causing the bearing housing 200 to be removed from the train axle 300.

[0025] Specifically, the front cover 2 has multiple connection holes 201, and the front cover 2 is connected to the housing of the bearing housing 200 by connecting bolts passing through the connection holes 201.

[0026] In this embodiment, four connection holes 201 are provided, which are evenly distributed around the central axis of the front cover 2.

[0027] Specifically, the sleeve 1 has multiple sets of reinforcing ribs 4 on its side wall. The reinforcing ribs 4 are located at the connection between the sleeve 1 and the front cover 2 to strengthen the connection at that point.

[0028] In this embodiment, the reinforcing ribs 4 are provided in four groups and are evenly distributed around the side wall of the sleeve 1.

[0029] Furthermore, a pipe connection hole 102 is provided on the side wall of the sleeve 1 near the rear cover 3. When the jack 100 is placed inside the sleeve 1, the hydraulic pipe connector of the jack 100 is connected to the external hydraulic system through the pipe connection hole 102.

[0030] This subway train axle bearing housing disassembly device is characterized by its small size, simple operation, and high pressure resistance; when used with a hydraulic jack, it can quickly disassemble the bearing housing.

[0031] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. A disassembly device for a subway train axle bearing housing, characterized in that, Includes a sleeve (1), the inside of which is a working cavity (101) for accommodating a jack (100) for disassembly. One end of the sleeve (1) is a front cover (2), which is connected to the bearing housing (200). The other end of the sleeve (1) is the rear cover (3). The jack (100) is placed in the working cavity (101), with one end abutting against the rear cover (3) and the other end passing through the front cover (2) and abutting against the end of the train axle (300). The cylinder of the jack (100) acts on the train axle (300), and the reaction force causes the front cover (2) and the bearing box (200) to be displaced from the train axle (300), ultimately causing the bearing box (200) to be removed from the train axle (300).

2. The disassembly device for a subway train axle bearing housing as described in claim 1, characterized in that, The front cover (2) has multiple connection holes (201), and the front cover (2) is connected to the housing of the bearing housing (200) by connecting bolts that pass through the connection holes (201).

3. The subway train axle bearing housing disassembly device as described in claim 2, characterized in that, The connection hole (201) is provided in four parts, which are evenly distributed around the central axis of the front cover (2).

4. The subway train axle bearing housing disassembly device as described in claim 1, characterized in that, The sleeve (1) has multiple sets of reinforcing ribs (4) on its side wall. The reinforcing ribs (4) are located at the connection between the sleeve (1) and the front cover (2) to strengthen the connection strength at that point.

5. A disassembly device for a subway train axle bearing housing as described in claim 4, characterized in that, The reinforcing ribs (4) are provided in four groups and are evenly distributed around the side wall of the sleeve (1).

6. The disassembly device for a subway train axle bearing housing as described in claim 1, characterized in that, The sleeve (1) has a pipe connection hole (102) on one side wall near the rear cover (3). When the jack (100) is placed in the sleeve (1), the hydraulic pipe connector of the jack (100) is connected to the external hydraulic system through the pipe connection hole (102).

Images