Bogie mounting and positioning device

Abstract

The utility model discloses a bogie installing and positioning device, and belongs to the technical field of auxiliary tools for assembling rail transit vehicle parts. The device is provided with a base of which the bottom is provided with a laser transmitter; the positioning column is fixedly connected to the upper portion of the base and concentric with a light beam emitted by the laser emitter, the positioning column can penetrate into a vehicle body positioning hole, and a matching face is formed on the outer wall of the positioning column and used for being matched with the positioning hole; the positioning device further comprises a magnet embedded in the positioning column, the magnet is used for enabling the positioning device to be fixedly connected with a vehicle body so that the positioning column can be inserted into the positioning hole, and the circle center of the positioning hole can be hit to a bogie positioning pin through light beams emitted by the laser emitter. And the working efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit vehicle component assembly auxiliary tool technical field, especially a bogie installation positioning device. BACKGROUND

[0002] At present, the motor train unit is disassembled into a car body (carriage and above part) and a bogie (frame with wheels at the bottom) during maintenance, and then each is maintained, after maintenance, the car body and the bogie need to be assembled again, the lower surface of the car body is provided with positioning holes on both sides, the upper surface of the bogie is provided with positioning pins matched with the positioning holes at the corresponding positions, the shapes of the positioning pins are different in different boggies, two positioning pins in a bogie are in the form of conical pins, and the form of combination of square prism positioning pins and cylindrical positioning pins is also used, after inspection and maintenance, the positioning pins on the bogie need to be assembled in the positioning holes of the car body again during assembly.

[0003] The traditional operation mode is manual positioning, and whether the car body positioning hole and the bogie positioning pin are properly aligned is observed by relying on human eyes, then the car body is slowly lowered from top to bottom, and the alignment is slowly aimed, the positioning point of this mode cannot be accurately grasped, the error is large, the bogie position is repeatedly adjusted during the falling process of the car body, and the working efficiency is low. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects in the prior art, and provides a bogie installation positioning device, which is used to solve the problems of inaccurate visual positioning, large error and low working efficiency when the bogie and the car body are assembled again after being disassembled.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model discloses a bogie installation positioning device, which comprises:

[0007] A base is provided at the bottom of the positioning device, and a laser emitter is arranged on the base.

[0008] A positioning column is fixedly connected to the upper part of the base and concentric with the light beam emitted by the laser emitter, and the positioning column is configured to be capable of being inserted into the positioning hole of the car body and has a matching surface formed on the outer wall for matching with the positioning hole.

[0009] A magnet is embedded in the positioning column, which is used to fix the positioning device to the car body so that the positioning column can be inserted into the positioning hole, and the center of the positioning hole is marked on the bogie positioning pin by the light beam emitted by the laser emitter.

[0010] Further, the matching surface comprises a first matching surface A, a second matching surface B and a third matching surface C.

[0011] Further, the positioning column has a cylindrical segment fixedly connected with the base, and an outer wall of the cylindrical segment forms the first matching surface A;

[0012] The cylindrical segment is formed with a necking segment away from the base connecting end, and an outer wall of the necking segment is formed with the second matching surface B in a square configuration in a cross section;

[0013] The necking segment is formed with a conical segment away from the cylindrical segment end, and an outer wall of the conical segment forms the third matching surface C.

[0014] Further, the cylindrical segment top end edge position has a chamfer.

[0015] Further, the positioning column is uniformly and circumferentially provided with mounting grooves embedding the magnets at positions corresponding to the first matching surface A and the second matching surface B.

[0016] Further, the base is configured as a conical circular table structure, and an upper surface of the base is formed with a positioning surface, and the positioning surface is attached to a lower surface of a vehicle body.

[0017] Further, the base top end is formed with a connecting column for fixed connection with the positioning column.

[0018] Further, the base lower part is uniformly and circumferentially provided with mounting grooves embedding the magnets at positions corresponding to the positioning surface.

[0019] Further, the base lower part is uniformly and circumferentially provided with mounting grooves embedding the magnets at positions corresponding to the positioning surface.

[0020] Further, the base is internally provided with a power supply for providing electric energy for the laser emitter, and a switch for controlling the laser emitter is mounted on the base lower surface.

[0021] In the above technical solution, the bogie mounting and positioning device has the following beneficial effects:

[0022] The bogie mounting and positioning device is designed, the base bottom is provided with a laser emitter, the positioning column at the base top is concentric with a light beam emitted by the laser emitter, the positioning column outer wall is formed with a matching surface, and the positioning column is internally embedded with a magnet, the magnet is used for fixed connection of the positioning device and the vehicle body, the positioning column is inserted into a positioning hole of the vehicle body, the matching surface is matched with the positioning hole, the light beam emitted by the laser emitter is concentric with the positioning hole, and the light beam is shot on a bogie positioning pin, precise and rapid alignment of the bogie positioning pin center position is realized, the vehicle is directly landed, and the working efficiency is improved.

[0023] Second, the positioning column is integrated with three kinds of matching surfaces, which are used for cooperating with three kinds of positioning holes, so that the positioning column has good versatility and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0025] Figure 1 is a schematic diagram of the bogie mounting and positioning device in the use state in the circular positioning hole of the vehicle body according to the present application;

[0026] Figure 2 is an axonometric view of the bogie mounting and positioning device according to the present application;

[0027] Figure 3 is another axonometric view of the bogie mounting and positioning device according to the present application from another perspective;

[0028] Figure 4 is a front view of the bogie mounting and positioning device according to the present application;

[0029] Figure 5 is a top view of the bogie mounting and positioning device according to the present application;

[0030] Figure 6 is an axonometric view of the positioning column of the bogie mounting and positioning device according to the present application;

[0031] Figure 7 is an axonometric view of the base of the bogie mounting and positioning device according to the present application;

[0032] Figure 8 is another axonometric view of the base of the bogie mounting and positioning device according to the present application from another perspective;

[0033] Figure 9 is a schematic diagram of the blocking ring structure of the bogie mounting and positioning device according to the present application.

[0034] Explanation of Reference Signs:

[0035] 1, base; 11, positioning surface; 12, connecting column; 13, mounting groove; 2, positioning column; 21, cylindrical section; 22, necked section; 23, conical section; 24, mounting groove; 3, blocking ring; 4, laser emitter; 5, switch. DETAILED DESCRIPTION

[0036] In order to make the technical scheme of the utility model better understood by the skilled in the art, the utility model will be further described in detail below in conjunction with the drawings.

[0037] Referring to Figures 1-3 As shown in the figure;

[0038] The utility model mounting and positioning device of bogie comprises base 1 and positioning column 2.

[0039] The base 1 bottom is installed with laser emitter, the positioning column 2 is fixedly connected to the base 1 upper portion and is concentric with the light beam emitted by laser emitter 4, the positioning column 2 is structured to be able to go into the car body positioning hole, and the outer wall is formed with the matching surface, is matched with the positioning hole through the matching surface, thereby the light beam emitted by laser emitter 4 is concentric with the positioning hole, and the magnet is embedded in the positioning column 2 inside;

[0040] When using, the positioning device is fixedly connected with the car body through the magnet, so that the positioning column 2 is inserted in the car body positioning hole, and the positioning device is used to hit the center of the positioning hole on the bogie positioning pin through the light beam emitted by laser emitter 4, so that the center position of the bogie positioning pin is accurately and quickly found, and the work efficiency is improved;

[0041] Referring to Figure 2 、 4 , 5 as shown in the figure:

[0042] Preferably, the matching surface formed by the outer wall of the positioning column 2 comprises three, first matching surface A, second matching surface B and third matching surface C, in the structure, three matching surfaces are adapted to three different shapes of positioning holes on the car body;

[0043] The positioning column 2 is of segmented structure, which comprises a cylindrical segment 21 fixedly connected with the base 1, the first matching surface A is formed on the outer wall of the cylindrical segment 21, and the cylindrical segment 21 is matched with the circular positioning hole of the car body through the first matching surface A, the necked segment 22 is integrally formed at the end away from the base 1 of the cylindrical segment 21, the second matching surface B in square structure in the cross section is formed on the outer wall of the necked segment 22, and the necked segment 22 is matched with the square positioning hole of the car body through the second matching surface B, the conical segment 23 is integrally formed at the end away from the cylindrical segment 21 of the necked segment 22, the third matching surface C is formed on the outer wall of the conical segment 23, and the third matching surface C is a taper surface, and the third matching surface C is matched with the conical positioning hole of the car body, so that one positioning column 2 can match three different shapes of positioning holes.

[0044] Referring to Figure 4 As shown in the figure, preferably, the top edge position of the cylindrical segment 21 has a chamfer, and the chamfer is coplanar with the conical segment 23. When the first matching surface A on the cylindrical segment 21 is matched with the circular positioning hole of the car body, the positioning column 2 can quickly enter the hole by using the chamfer, and the chamfer is coplanar with the conical segment 23, and is matched with the conical positioning hole of the car body synchronously with the third matching surface C on the conical segment 23.

[0045] Referring to Figure 6 as shown:

[0046] Preferably, the positioning column 2 is a hollow structure, and mounting grooves 24 are uniformly arranged in the positioning column 2 inside corresponding to positions of the first matching surface A and the second matching surface B in the circumferential direction, and magnets are embedded in the mounting grooves 24, and in use, each matching surface can be fixedly connected with the vehicle body through the magnets.

[0047] Referring to Figure 1 , 7 as shown:

[0048] Preferably, the base 1 is configured as a conical circular table structure, and a positioning surface 11 is formed on the upper surface of the base 1, and the base 1 is abutted with the lower surface of the vehicle body through the positioning surface 11, so that the positioning device is accurately positioned on the vehicle body, and a laser emitter 4 mounting seat is formed in the middle of the base 1.

[0049] Referring to Figure 8 as shown, mounting grooves 13 are uniformly arranged in the lower part of the base 1 corresponding to the positions of the positioning surface 11 in the circumferential direction, and magnets are embedded in the mounting grooves 13, so that the base 1 can be fixedly connected with the vehicle body, and a connecting column 12 is formed at the top end of the base 1, and the base 1 is fixedly connected with the positioning column 2 in the form of bolt connection, and the base 1 utilizes the conical circular table structure to form an inclined angle with the lower surface of the vehicle body, as shown in Figure 1 as shown, in use, the fingers can grip the base 1 through the inclined angle, and the positioning device can be easily taken off.

[0050] Referring to Figure 3 as shown:

[0051] Preferably, the positioning device further comprises a blocking ring 3, the blocking ring 3 is fixedly connected to the lower part of the base 1 covering the mounting grooves 13, and blocks the magnets from falling off, and a protrusion is formed on the upper surface of the blocking ring 3, and the protrusion is clamped with the mounting grooves 13, wherein the lower surface of the blocking ring 3 is higher than the lower surface of the base 1, so that a height difference is generated, and a protection area is formed in the blocking ring 3 for protecting the laser emitter and other components such as the switch 5.

[0052] Preferably, a power supply for providing electric energy for the laser emitter 4 is installed in the base 1, and a switch 5 for controlling the laser emitter 4 is installed on the lower surface of the base 1, and specifically, the switch 5 is connected with the power supply circuit to control the laser emitter 4 to be turned on or off, and according to the needs, the laser emitter 4 can use an alternating current power supply or any other device capable of providing power.

[0053] In the above technical solution, the bogie mounting and positioning device provided by the utility model has the following advantages:

[0054] The positioning device is installed in the positioning hole under the vehicle body by the positioning column 2, the laser emitter 4 is opened, the light beam emitted by the laser emitter 4 is shot on the bogie positioning pin, whether the bottom bogie is in place is judged, the positioning device is taken out after being in place, and the upper and lower butt joint work can be completed by directly falling the vehicle body, the positioning device is simple in structure, good in universality, convenient to use, and work efficiency is greatly improved;

[0055] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A bogie mounting and positioning device, characterized in that, include: A base (1) with a laser emitter installed at the bottom; as well as A positioning post (2) is fixed to the upper part of the base (1) and concentric with the beam emitted by the laser emitter. The positioning post (2) is constructed to penetrate into the positioning hole of the vehicle body and has a mating surface on its outer wall for mating with the positioning hole. The system also includes... The magnet embedded inside the positioning post (2) is used to fix the positioning device to the vehicle body so that the positioning post (2) can be inserted into the positioning hole and the center of the positioning hole can be hit onto the bogie positioning pin by the beam emitted by the laser emitter.

2. The bogie mounting and positioning device according to claim 1, characterized in that... ； The mating surfaces include a first mating surface A, a second mating surface B, and a third mating surface C.

3. The bogie mounting and positioning device according to claim 2, characterized in that... ； The positioning post (2) has a cylindrical section (21) fixedly connected to the base (1), and the outer wall of the cylindrical section (21) forms the first mating surface A; The cylindrical segment (21) has a necked section (22) formed at the connection end away from the base (1), and the outer wall of the necked section (22) has a second mating surface B with a square cross-section. The constricted section (22) has a conical section (23) formed at the end away from the cylindrical section (21), and the outer wall of the conical section (23) has the third mating surface C.

4. The bogie mounting and positioning device according to claim 3, characterized in that... ； The top edge of the cylindrical segment (21) has a chamfer.

5. The bogie mounting and positioning device according to claim 3, characterized in that... ； The positioning post (2) has mounting grooves for embedding the magnets evenly distributed circumferentially at the positions corresponding to the first mating surface A and the second mating surface B.

6. The bogie mounting and positioning device according to claim 1, characterized in that... ； The base (1) is constructed as a cone-shaped frustum structure, and a positioning surface (11) is formed on the upper surface of the base (1), which is in contact with the lower surface of the vehicle body.

7. The bogie mounting and positioning device according to claim 6, characterized in that... ； A connecting post (12) is formed at the top of the base (1) for fixed connection with the positioning post (2).

8. The bogie mounting and positioning device according to claim 6, characterized in that... ； The base (1) has mounting grooves for embedding magnets evenly distributed around its lower part corresponding to the positioning surface (11).

9. The bogie mounting and positioning device according to claim 6, characterized in that... ； It also includes a retaining ring (3), which is fixed to the lower cover mounting groove (13) of the base (1), and the lower surface of the retaining ring (3) is higher than the lower surface of the base (1).

10. The bogie mounting and positioning device according to claim 1, characterized in that... ； The base (1) is equipped with a power supply that provides power to the laser emitter (4), and a switch (5) for controlling the laser emitter (4) is installed on the lower surface of the base (1).

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