Railway passenger car axle box body positioning clamp

Abstract

The utility model relates to the technical field of axle box body machining, in particular to a railway passenger car axle box body positioning clamp which comprises a stable base, a clamp table is placed on the top of the stable base, a first driving motor is fixedly installed in the stable base, and the output end of the first driving motor is fixedly connected with the bottom of the clamp table. A second driving motor is fixedly installed on the left side of the clamp table through a fixing frame, the output end of the second driving motor is fixedly connected with a two-way threaded rod, and the different threaded surfaces of the two-way threaded rod are in threaded connection with matched threaded sleeve plates correspondingly; by arranging the driving adjusting structure in the clamp table, the positioning clamping frame can move to clamp left and right, the driving end in the positioning clamping frame can be restrained in the front-back direction, the driving end in the stable base can be used for steering positioning of the clamp table, and the restraining, positioning and clamping effects adapting to axle boxes of different sizes are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rail passenger car axle box body positioning fixture belongs to axle box body machining technical field. BACKGROUND

[0002] The axle box body is the important component of light rail train bogie, is installed on the axle journal of axle, is used to set up bearing, links wheelset and side frame or frame together, makes the rolling of wheelset along the rail into the translation of car body along the line, and the axle box body needs to be positioned during the machining process, and then the axle box body is machined.

[0003] Because the axle box body needs to use the fixture to be clamped and positioned during the machining process, and the screw rod adjusting clamping plate is adjusted through the fixed structure to clamp the axle box body, but the clamping process of the clamped rail passenger car axle box body is insufficient, which affects the subsequent machining operation of the rail passenger car axle box body, and brings certain adverse effect to the actual use, so it needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model discloses a rail passenger car axle box body positioning fixture, the utility model discloses a movable left and right clamping of positioning clamping frame can be carried out through the inside drive adjusting structure of fixture platform, and the inside drive end of positioning clamping frame can carry out the constraint of front and back direction, and the steering positioning of fixture platform can be carried out in the drive end in stable base, to solve the problem in above -mentioned background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A rail passenger car axle box body positioning fixture, including stable base, the top of stable base places the fixture platform, the inside fixed mounting of stable base has drive motor no.

[0007] Further, the bottom of the fixture platform is fixedly connected with a sliding plate, and the top of the stable base is provided with an annular groove, and the inner wall of the annular groove and the surface of the sliding plate are in sliding connection.

[0008] Further, the limiting assembly comprises a limiting plate and a limiting groove, the limiting plate is fixedly connected on the bottom of the threaded sleeve plate, the limiting groove is arranged on the inner wall of the fixture table, and the inner wall of the limiting groove and the surface of the limiting plate are in sliding connection.

[0009] Further, the side surface of the movable table is fixedly connected with a clamping plate, the side surface of the inner wall of the fixture table is provided with a clamping groove, the inner wall of the clamping groove and the surface of the clamping plate are in clamping and fitting.

[0010] Further, the main body of the positioning clamping frame is a fitting plate, an electric push rod is fixedly installed on the side surface of the fitting plate close to the middle part, a fixed plate is fixedly connected to the output end of the electric push rod, an electric telescopic rod is fixedly installed in the fixed plate, and an anti-skid clamping plate is fixedly installed at one end of the electric telescopic rod.

[0011] Further, the bottom of the positioning clamping frame is fixedly connected with a balance plate, a balance groove is arranged on the top of the side surface of the fixture table, and the inner wall of the balance groove and the surface of the balance plate are in sliding connection.

[0012] Further, the side surface of the movable table is fixedly connected with a wear-resistant elastic sleeve, and the wear-resistant elastic sleeve is located directly above the bidirectional threaded rod.

[0013] The utility model discloses a beneficial effect is:

[0014] In the utility model, through setting the stable base that can be positioned installation processing device, according to the size axle box body specification change of different, can carry out the positioning clamping frame of suitable size range specification installation on movable table, the operation drive motor two can drive bidirectional threaded rod to rotate, through the limiting setting of limiting assembly, make bidirectional threaded rod rotation can drive the threaded sleeve plate on different threads to follow mobile, make two threaded sleeve plates approach each other or away from each other, carry out the clamping locking of axle box body at left and right positions, the operation electric push rod on positioning clamping frame starts and drives fixed plate to move, in combination electric telescopic rod operation drives anti -skid clamping plate to move, can from the constraint clamping of axle box body in front and back direction, and in the constraint of wear -resistant elastic sleeve can carry out the acceptance of the chip in axle box body processing, so as to carry out the cleaning operation of chip subsequently, for the positioning clamping effect of axle box body bottom, can operate electric cylinder and drive energized electromagnetic attraction support base to move, make the energized electromagnetic attraction support base energized and carry out the bottom magnetic attraction positioning of axle box body, complete the constraint positioning clamping effect of adaptation different size axle box body;

[0015] In the utility model, through setting drive motor one drives the whole fixture table to rotate stably, under the action of sliding plate and annular groove, can enhance the rotating stability degree of fixture table on stable base, realizes the stable rotation effect of axle box body in the processing of clamping. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the specific embodiments of the present application, and do not constitute a limitation on the present application.

[0017] Figure 1 is a whole structure schematic view of a rail passenger car axle box body positioning clamp of the present application;

[0018] Figure 2 is a front view sectional view of a rail passenger car axle box body positioning clamp of the present application;

[0019] Figure 3 is a top view of a positioning clamping frame in a rail passenger car axle box body positioning clamp of the present application;

[0020] Figure 4 is an enlarged view of A in a rail passenger car axle box body positioning clamp of the present application;

[0021] Figure 5 is an enlarged view of B in a rail passenger car axle box body positioning clamp of the present application;

[0022] In the drawing, reference numerals: 1, stable base; 2, clamp table; 3, drive motor one; 4, drive motor two; 5, two-way threaded rod; 6, threaded sleeve plate; 7, moving table; 8, positioning clamping frame; 9, electric cylinder; 10, power electromagnetic suction support base; 11, sliding plate; 12, annular groove; 13, limiting plate; 14, limiting groove; 15, clamping plate; 16, clamping groove; 17, electric push rod; 18, fixed plate; 19, electric telescopic rod; 20, anti-skid clamping plate; 21, balancing plate; 22, balancing groove; 23, wear-resistant elastic sleeve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Embodiment 1, please refer to Figures 1-5 The present application provides a technical solution:

[0025] A rail car axle box body positioning clamp, comprising a stable base 1, a clamp table 2 is placed on the top of the stable base 1, a drive motor one 3 is fixedly installed inside the stable base 1, the output end of the drive motor one 3 is fixedly connected with the bottom of the clamp table 2, a drive motor two 4 is fixedly installed on the left side of the clamp table 2 through a fixed frame, a bidirectional threaded rod 5 is fixedly connected with the output end of the drive motor two 4, a threaded sleeve plate 6 matched with the different threaded surfaces of the bidirectional threaded rod 5 is threadedly connected with the different threaded surfaces of the bidirectional threaded rod 5 respectively, a limiting assembly is connected to the bottom of the threaded sleeve plate 6, a moving table 7 is fixedly connected to the top of the threaded sleeve plate 6, a positioning clamping frame 8 is clamped to the top of the moving table 7, an electric cylinder 9 is fixedly installed at the bottom of the moving table 7, and a power electromagnetic suction support seat 10 is fixedly connected with the output end of the electric cylinder 9.

[0026] Specifically, as shown in Figures 1-5 The bottom of the clamp table 2 is fixedly connected with a sliding plate 11, the top of the stable base 1 is provided with an annular groove 12, and the inner wall of the annular groove 12 is in sliding connection with the surface of the sliding plate 11. Under the action of the sliding plate 11 and the annular groove 12, the rotating stability of the clamp table 2 on the stable base 1 can be enhanced.

[0027] Further, the side surface of the moving table 7 is fixedly connected with a clamping plate 15, the side surface of the inner wall of the clamp table 2 is provided with a clamping groove 16, the inner wall of the clamping groove 16 is in clamping and matching connection with the surface of the clamping plate 15, and under the constraint and positioning of the clamping plate 15 and the clamping groove 16, the moving table 7 can be normally stored in the clamp table 2 and unlocked for control operation.

[0028] Further, the side surface of the moving table 7 is fixedly connected with a wear-resistant elastic sleeve 23, and the wear-resistant elastic sleeve 23 is located directly above the bidirectional threaded rod 5. Under the constraint of the wear-resistant elastic sleeve 23, the debris in the axle box body machining process can be received, so that subsequent debris cleaning operation can be carried out.

[0029] Specifically, as shown in Figures 1-5 The limiting assembly comprises a limiting plate 13 and a limiting groove 14, the limiting plate 13 is fixedly connected to the bottom of the threaded sleeve plate 6, the limiting groove 14 is formed in the bottom of the inner wall of the clamp table 2, and the inner wall of the limiting groove 14 is in sliding connection with the surface of the limiting plate 13. Through the arrangement of the limiting plate 13 and the limiting groove 14, the movement track of the threaded sleeve plate 6 is limited, so that the rotation of the bidirectional threaded rod 5 can drive the threaded sleeve plate 6 with different threads to move.

[0030] Embodiment 2, please refer to Figures 1-5The difference between the embodiment and embodiment 1 is that the main body of the positioning clamping frame 8 is a matched plate, an electric push rod 17 is fixedly installed on the side surface close to the middle part of the matched plate, the output end of the electric push rod 17 is fixedly connected with a fixed plate 18, an electric telescopic rod 19 is fixedly installed in the inside of the fixed plate 18, and an anti-skid clamp fixing plate 20 is fixedly installed on one end of the electric telescopic rod 19.

[0031] The working principle of the utility model is: in use, the positioning clamping frame 8 of the appropriate size range specification can be installed on the moving table 7 according to the specification change of different size axle housings, the driving motor two 4 can drive the bidirectional screw rod 5 to rotate through the setting of the limiting plate 13 and the limiting groove 14, the movement track of the threaded sleeve plate 6 is limited, the bidirectional screw rod 5 can drive the threaded sleeve plate 6 on different threads to move, the two threaded sleeve plates 6 are close to or away from each other, the axle housing at the left and right positions is clamped and locked, the electric push rod 17 on the positioning clamping frame 8 is started to drive the fixed plate 18 to move, the electric telescopic rod 19 is operated to drive the anti-skid clamp fixing plate 20 to move, the axle housing can be clamped and constrained from the front and rear directions, the debris in the axle housing machining process can be accepted through the constraint of the wear-resistant elastic sleeve 23, so that the subsequent debris cleaning operation is carried out, in order to enhance the bottom positioning clamping effect of the axle housing, the electric cylinder 9 is operated to drive the electromagnetic suction support seat 10 to move, the electromagnetic suction support seat 10 is magnetically attracted to the bottom of the axle housing after being electrified, then the driving motor one 3 is operated to drive the clamp table 2 to stably rotate, the sliding plate 11 and the annular groove 12 can enhance the rotation stability of the clamp table 2 on the stable base 1, and the constraint positioning clamping effect of different size axle housings is realized.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A railcar axle box positioning fixture, comprising a stable base (1), the top of which is placed with a fixture table (2), characterized in that: The interior of the stable base (1) is fixedly installed with a driving motor one (3), the output end of the driving motor one (3) is fixedly connected with the bottom of the clamp table (2), the left side of the clamp table (2) is fixedly installed with a driving motor two (4) through a fixed frame, the output end of the driving motor two (4) is fixedly connected with a bidirectional threaded rod (5), the different threaded surfaces of the bidirectional threaded rod (5) are respectively threadedly connected with the matching threaded sleeve plates (6), the bottom of the threaded sleeve plate (6) is connected with a limiting assembly, the top of the threaded sleeve plate (6) is fixedly connected with a moving table (7), the top of the moving table (7) is clamped with a positioning clamping frame (8), the bottom of the moving table (7) is fixedly installed with an electric cylinder (9), the output end of the electric cylinder (9) is fixedly connected with a power electromagnetic suction support base (10).

2. An axle box body positioning fixture for a railcar as defined in claim 1 wherein: The bottom of the clamp table (2) is fixedly connected with a sliding plate (11), the top of the stable base (1) is provided with an annular groove (12), and the inner wall of the annular groove (12) and the surface of the sliding plate (11) are in sliding connection.

3. An axle box body positioning fixture for a railcar as defined in claim 1 wherein: The limiting assembly comprises a limiting plate (13) and a limiting groove (14), the limiting plate (13) is fixedly connected to the bottom of the threaded sleeve plate (6), the limiting groove (14) is formed in the bottom of the inner wall of the clamp table (2), and the inner wall of the limiting groove (14) and the surface of the limiting plate (13) are in sliding connection.

4. The railcar axle box body positioning fixture of claim 1 wherein: The side of the moving table (7) is fixedly connected with a clamping plate (15), the side of the inner wall of the clamp table (2) is provided with a clamping groove (16), the inner wall of the clamping groove (16) and the surface of the clamping plate (15) are clamped and matched.

5. An axle box body positioning fixture for a railcar as defined in claim 1 wherein: The main body of the positioning clamping frame (8) is a matching plate, an electric push rod (17) is fixedly installed on the side of the matching plate close to the middle part, the output end of the electric push rod (17) is fixedly connected with a fixed plate (18), the inside of the fixed plate (18) is fixedly installed with an electric telescopic rod (19), and one end of the electric telescopic rod (19) is fixedly installed with an anti-skid clamping plate (20).

6. An axle box body positioning fixture for a railcar as defined in claim 1 wherein: The bottom of the positioning clamping frame (8) is fixedly connected with a balance plate (21), the top of the side of the clamp table (2) is provided with a balance groove (22), and the inner wall of the balance groove (22) and the surface of the balance plate (21) are in sliding connection.

7. An axle box body positioning fixture for a railcar as defined in claim 1 wherein: The side of the moving table (7) is fixedly connected with a wear-resistant elastic sleeve (23), and the wear-resistant elastic sleeve (23) is located directly above the bidirectional threaded rod (5).

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