CN214556520U

CN214556520U - Novel tongue spring sheet folding device for axle box rear cover

Info

Publication number: CN214556520U
Application number: CN202023319234.2U
Authority: CN
Inventors: 林强波; 李�浩; 徐露; 周兵
Original assignee: Chengdu CRRC Sifang Railway Vehicle Co Ltd
Current assignee: Chengdu CRRC Sifang Railway Vehicle Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-02
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a novel reed shell fragment folding device for lid behind axle box belongs to the railcar and overhauls the conveyer field, has solved among the prior art reed shell fragment and has rotated along with the bolt, and can't be in the problem of the regulation position of bending, include: the upper end surface of the bottom plate is provided with a groove; the first baffle is arranged on one side of the bottom plate and is fixedly connected with the bottom plate; the second baffle is arranged on the other side of the bottom plate, is parallel to the first baffle and is fixedly connected with the bottom plate; the upper end surface of the bottom plate and the lower end surface of the axle box rear cover lower cover can be in contact connection, the first baffle and the second baffle can be in contact connection with the two side surfaces of the axle box rear cover lower cover, and the reed spring is arranged in the groove of the bottom plate. The utility model discloses an at the in-process of tightening the bolt, fix the reed shell fragment, prevent that the reed shell fragment from rotating along with the bolt. The utility model is used for axle box upper and lower end cover's is fixed.

Description

Novel tongue spring sheet folding device for axle box rear cover

Technical Field

The utility model belongs to the railcar overhauls conveyer field, concretely relates to a novel tongue shell fragment folding device for lid behind axle box.

Background

The axle box rear cover is one of key parts of the wheel set axle box device, is formed by assembling an upper cover and a lower cover through fasteners, and has the functions of sealing the rear end face of the axle box and preventing water and dust. When the axle box rear cover is assembled, a connecting bolt between the upper rear cover and the lower rear cover is required to be fastened in a crossed mode, and after torque is applied, the reed elastic sheet is bent by using a water pump clamp and a rubber hammer.

In the actual assembly process, the reed elastic sheet can rotate along with the bolt when the bolt is fastened, and the bending operation cannot be performed when the angle is rotated to pass through the surface to which the reed elastic sheet is attached.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a novel reed shell piece folding device for axle box back cover, has solved among the prior art reed shell piece and has rotated along with the bolt, and can't be at the problem of regulation position bending, has realized fixing the reed shell piece at the in-process of screwing up the bolt, prevents that the reed shell piece from rotating along with the bolt.

The embodiment of the application provides a novel reed shell fragment folding device for axle box back cover, folding device includes:

the upper end surface of the bottom plate is provided with a groove;

the first baffle is arranged on one side of the bottom plate and is fixedly connected with the bottom plate;

the second baffle plate is arranged on the other side of the bottom plate, is parallel to the first baffle plate and is fixedly connected with the bottom plate;

the upper end surface of the bottom plate and the lower end surface of the axle box rear cover lower cover can be in contact connection, the first baffle and the second baffle can be in contact connection with two side surfaces of the axle box rear cover lower cover, and the reed spring is arranged in the groove of the bottom plate.

Preferably, the folding device further comprises:

the third baffle is perpendicular to the first baffle and the second baffle and fixedly connected with the bottom plate, the first baffle and the second baffle;

and the third baffle is in contact connection with the other side surface of the axle box rear cover lower cover.

Preferably, the contact surfaces of the first baffle, the second baffle and the third baffle and the lower cover of the axle box are all flat surfaces.

Preferably, the lower end surface of the third baffle is arranged above the groove.

Preferably, one end of the reed elastic sheet is provided with a bolt, and the bolt is used for connecting the lower cover of the axle box rear cover and the upper cover of the axle box rear cover.

Preferably, the other end of the reed spring is arranged outside the groove, and the length of the reed spring is greater than that of the groove.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

in the embodiment of the application, because folding device prescribes a limit to the position of tongue shell fragment, the other end of tongue shell fragment links to each other with the bolt, when the bolt rotates, folding device's first baffle and second baffle and axle box back cover lower cover relatively fixed, and the tongue shell fragment sets up in the recess, make the tongue shell fragment can not change the position along with the rotation of bolt, the problem of tongue shell fragment change the position along with the bolt rotation among the prior art has been solved, the in-process at the tightening bolt has been realized, fix the tongue shell fragment, prevent that the tongue shell fragment from rotating along with the bolt.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a structural diagram of a folding principle of a reed and a shrapnel in the embodiment of the application;

FIG. 2 is a schematic view of the folding device of the embodiment of the present application;

FIG. 3 is a front view of a folding device in an embodiment of the present application;

fig. 4 is a sectional view taken along line a-a of fig. 3.

Reference numerals: 1. the axle box rear cover is covered; 2. a lower cover of the axle box rear cover; 3. a bolt; 4. a reed spring; 5. a folding device; 501. a base plate; 502. a first baffle plate; 503. a second baffle; 504. a third baffle plate; 505. and (4) a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 4 of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

The first embodiment is as follows:

as shown in fig. 1 to 4, the folding device 5 of the present embodiment of the novel reed leaf folding device for axle box back cover includes:

the structure comprises a bottom plate 501, wherein a groove 505 is formed in the upper end surface of the bottom plate 501;

the first baffle 502 is arranged on one side of the bottom plate 501, and the first baffle 502 is fixedly connected with the bottom plate 501;

the second baffle 503 is arranged on the other side of the bottom plate 501, the second baffle 503 is parallel to the first baffle 502, and the second baffle 503 is fixedly connected with the bottom plate 501;

the upper end surface of the bottom plate 501 and the lower end surface of the axle box rear cover lower cover 2 are in contact connection, the first baffle 502 and the second baffle 503 are in contact connection with the two side surfaces of the axle box rear cover lower cover 2, and the reed elastic sheet 4 is disposed in the groove 505 of the bottom plate 501.

Specifically, the width of the bottom plate 501 is 35mm, the thickness of the bottom plate 501 is 20mm, the groove width of the groove 505 on the upper end surface of the bottom plate 501 is 12mm, the groove depth of the groove is 5mm, the widths of the first baffle 502 and the second baffle 503 arranged at the two ends of the bottom plate 501 are 7mm, and the distance between the inner opposite surfaces of the two baffles is 21 mm. The bottom plate 501, the first baffle 502 and the second baffle 503 are all formed by processing the same square cast iron, a square groove with a groove width of 21mm and a groove depth of 10mm is processed on the upper end surface of the square cast iron, and the two end surfaces of the groove are the first baffle 502 and the second baffle 503 respectively.

The folding device 5 further comprises:

the third baffle 504 is perpendicular to the first baffle 502 and the second baffle 503, and the third baffle 504 is fixedly connected with the bottom plate 501, the first baffle 502 and the second baffle 503;

the third baffle 504 is in contact connection with the other side of the under-cover 2.

The contact surfaces of the first baffle 502, the second baffle 503 and the third baffle 504 and the axle box lower cover are all flat surfaces.

The lower end surface of the third baffle 504 is disposed above the groove 505.

Specifically, the third baffle 504 is 20mm long, the third baffle 504 is also made of cast iron, the lower end surface of the third baffle 504 is located above the groove 505 and is welded and fixed with the bottom plate 501, and one side surface of the third baffle 504 is welded and fixed with the first baffle 502 and the second baffle 503.

And one end of the reed elastic sheet 4 is provided with a bolt 3, and the bolt 3 is used for connecting the lower cover 2 of the axle box rear cover and the upper cover 1 of the axle box rear cover.

The other end of the reed elastic piece 4 is arranged outside the groove 505, and the length of the reed elastic piece 4 is larger than that of the groove 505.

Specifically, when in use, one end of the reed elastic sheet 4 passes through the groove 505 of the folding device 5, respectively attaching the bottom plate 501 to the lower end of the axle box rear cover lower cover 2, pushing the folding device 5 upwards to attach the first baffle 502 and the second baffle 503 to the two side surfaces of the axle box rear cover lower cover 2, approaching the folding device 5 to the axle box rear cover lower cover 2 to attach the third baffle 504 to the other side surface of the axle box rear cover lower cover 2, because the reed spring 4 is arranged in the round hole, the bolt 3 passes through the round hole, and the bolt 3 is rotated by a spanner, because the round hole corresponding to the axle box rear cover upper cover 1 is provided with the screw thread, the axle box rear cover lower cover 2 is tightly connected with the axle box rear cover upper cover 1, then the folding device 5 is far away from the axle box rear cover lower cover 2 until the reed elastic sheet 4 is separated from the groove 505, the reed elastic sheet 4 is bent by the water pump pliers and the rubber hammer until the reed elastic sheet 4 is jointed with the axle box rear cover lower cover 2 by the bent end.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present invention, which shall all be covered by the present application.

Claims

1. A new reed leaf folding device for axle box back covers, characterized in that the folding device (5) comprises:

the device comprises a bottom plate (501), wherein a groove (505) is formed in the upper end face of the bottom plate (501);

the first baffle plate (502) is arranged on one side of the bottom plate (501), and the first baffle plate (502) is fixedly connected with the bottom plate (501);

the second baffle (503) is arranged on the other side of the bottom plate (501), the second baffle (503) is parallel to the first baffle (502), and the second baffle (503) is fixedly connected with the bottom plate (501);

the upper end surface of the bottom plate (501) is in contact connection with the lower end surface of the axle box rear cover lower cover (2), the first baffle (502) and the second baffle (503) are in contact connection with two side surfaces of the axle box rear cover lower cover (2), and the reed spring (4) is arranged in the groove (505) of the bottom plate (501).

2. A new reed leaf folding device for axle box back covers according to claim 1, characterized in that the folding device (5) further comprises:

the third baffle (504), the first baffle (502) and the second baffle (503) are perpendicular to each other on the third baffle (504), and the third baffle (504) is fixedly connected with the bottom plate (501), the first baffle (502) and the second baffle (503);

the third baffle (504) is in contact connection with the other side face of the axle box rear cover lower cover (2).

3. The novel reed folding device for axle box back cover according to claim 2, characterized in that: the contact surfaces of the first baffle (502), the second baffle (503) and the third baffle (504) and the lower cover of the axle box are all flat.

4. The novel reed folding device for axle box back cover according to claim 2, characterized in that: the lower end face of the third baffle plate (504) is arranged above the groove (505).

5. The novel reed folding device for axle box back cover according to claim 1, characterized in that: and one end of the reed elastic sheet (4) is provided with a bolt (3), and the bolt (3) is used for connecting the lower cover (2) of the axle box rear cover and the upper cover (1) of the axle box rear cover.

6. The novel reed folding device for axle box back cover according to claim 5, characterized in that: the other end of the reed spring (4) is arranged outside the groove (505), and the length of the reed spring (4) is larger than that of the groove (505).