Convenient-to-install clamp for detecting automobile axle tube

Abstract

The utility model discloses an automobile axle tube detection clamp convenient to install, which comprises a workbench, a positioning tube is arranged on the outer wall of the top of the workbench, a connecting tube is integrally formed at the bottom of the positioning tube, the connecting tube is connected with the workbench through a bearing, a conical cavity is arranged in the positioning tube, and an axle tube body is inserted in the conical cavity. A key groove is formed in the side wall of the bottom end of the shaft tube body, an insertion hole is formed in the outer wall of one side of the positioning tube, an insertion plate is inserted into the insertion hole, and a dial indicator is arranged on one side of the shaft tube body. According to the utility model, the shaft tube body is automatically centered through the conical cavity in the positioning tube, and then one end of the plug board is matched with the key groove, so that the positioning tube can drive the shaft tube body to rotate together when rotating, when the shaft tube body is subjected to circle run-out detection, the shaft tube body is simply placed and rotated, and the detection efficiency is greatly improved. And large force is not needed, so that the shaft tube body is more convenient to fix during circular run-out detection.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile axle tube detection, in particular to an automobile axle tube detection fixture which is easy to install. Background Art

[0002] With the development of social economy and automobile industry, automobiles are becoming more and more popular. The processing of any parts on the automobile is very important. When processing automobile axle tubes, their circular runout needs to be detected so that the car can maintain a stable state when driving.

[0003] Chinese patent application No. 201921298762.9 discloses an automobile component clamp, including a base plate, a clamping distance adjustment mechanism, a clamping angle adjustment mechanism, a locking mechanism and a buffer mechanism. Vertical plates are symmetrically arranged on the left and right sides of the upper end of the base plate. The clamping distance adjustment mechanism is arranged on the side wall of the vertical plate, the clamping angle adjustment mechanism is arranged on the inner side surface of the clamping distance adjustment mechanism, and the locking mechanism is arranged on the inner side surface of the clamping distance adjustment mechanism.

[0004] At present, when performing circular runout detection on automobile axle tubes, it is necessary to fix them on a rotating component for detection. However, when fixing the axle tube, it is usually necessary to clamp the axle tube with a large force, which makes the installation of the axle tube inconvenient during detection. Therefore, it is urgent to design an easy-to-install automobile axle tube detection fixture to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a fixture for detecting an automobile axle tube which is easy to install, so as to solve the above-mentioned shortcomings in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A fixture for detecting automobile axle tubes which is easy to install comprises a workbench, a positioning tube is provided on the top outer wall of the workbench, a connecting tube is integrally formed at the bottom of the positioning tube, the connecting tube is connected to the workbench via a bearing, a conical cavity is provided inside the positioning tube, a shaft tube body is plugged into the inside of the conical cavity, a key groove is provided on the bottom side wall of the shaft tube body, a plug-in hole is provided on the outer wall of one side of the positioning tube, a plug-in plate is plugged into the inside of the plug-in hole, and a dial indicator is provided on one side of the shaft tube body.

[0008] Furthermore, the bottom end of the connecting tube passes through the workbench and is fixed with a driven gear ring, the top outer wall of the workbench is fixed with a motor, the output shaft of the motor passes through the workbench and is fixed with a driving gear, and the driving gear is meshed with the driven gear ring.

[0009] Furthermore, a fixing cylinder is fixed to an outer wall of one side of the positioning tube, a slider is slidably connected to the interior of the fixing cylinder, one end of the plug-in board is fixed to the slider, a spring is provided inside the fixing cylinder, an arc surface is provided at one end of the plug-in board, and an air hole is provided on the bottom outer wall of the fixing cylinder.

[0010] Furthermore, a support plate is fixed to the bottom of the workbench, an electric telescopic rod is fixed to the bottom outer wall of the support plate, and an output end of the electric telescopic rod extends to the inside of the positioning tube.

[0011] Furthermore, a push plate is fixed to the top of the electric telescopic rod, a protective layer is fixed to the top outer wall of the push plate, and the push plate is located at the bottom of the shaft tube body.

[0012] Furthermore, an adjustment mechanism is fixed to the top outer wall of the workbench, and an output end of the adjustment mechanism is fixed to a dial indicator.

[0013] In the above technical scheme, the utility model provides an easy-to-install automobile axle tube detection fixture, which has the following beneficial effects: the axle tube body is automatically centered by the conical cavity inside the positioning tube, and then one end of the plug-in plate cooperates with the keyway, so that when the positioning tube rotates, the axle tube body can be driven to rotate together, and when the axle tube body is undergoing circular runout detection, there is no need to use a large force to lock and fix the axle tube body, making it more convenient to fix the axle tube body during circular runout detection; the push plate is driven to move by the electric telescopic rod, so that the push plate can lift the axle tube body from the inside of the positioning tube, so that the axle tube body can be conveniently removed after the detection is completed; an arc surface is set at the end of the plug-in plate, so that when the axle tube body is inserted into the positioning tube, the arc surface of the plug-in plate will not form an obstruction to the insertion of the axle tube body; when one end of the plug-in plate cooperates with the keyway, the side of the plug-in plate can form an obstruction with the inner wall of the keyway, making it more reliable for the plug-in plate to limit the axle tube body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 The present invention is a schematic diagram of the main structure of an embodiment of a fixture for detecting an automobile axle tube which is easy to install.

[0016] Figure 2 The present invention is a schematic diagram of the structure of a plug-in board provided in an embodiment of a fixture for detecting an automobile axle tube which is easy to install.

[0017] Figure 3 The present invention is a schematic diagram of a keyway structure provided in an embodiment of a fixture for detecting an automobile axle tube which is easy to install.

[0018] Figure 4 The present invention is a schematic diagram of the enlarged structure of point A provided in an embodiment of a fixture for detecting an automobile axle tube which is easy to install.

[0019] Description of reference numerals:

[0020] 1 workbench, 2 support plate, 3 positioning tube, 4 conical cavity, 5 shaft tube body, 6 connecting tube, 7 driven gear ring, 8 motor, 9 driving gear, 10 electric telescopic rod, 11 fixed cylinder, 12 slider, 13 plug-in plate, 14 arc surface, 15 keyway, 16 spring, 17 air vent, 18 plug-in hole, 19 push plate, 20 protective layer, 21 dial indicator, 22 adjustment mechanism. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1-4 As shown, an embodiment of the utility model provides an easy-to-install automobile axle tube detection fixture, comprising a workbench 1, a positioning tube 3 is provided on the top outer wall of the workbench 1, a connecting tube 6 is integrally formed at the bottom of the positioning tube 3, the connecting tube 6 is connected to the workbench 1 through a bearing, a conical cavity 4 is provided inside the positioning tube 3, a shaft tube body 5 is plugged into the inside of the conical cavity 4, a key groove 15 is provided on the bottom side wall of the shaft tube body 5, a plug-in hole 18 is provided on the outer wall of one side of the positioning tube 3, a plug-in plate 13 is plugged into the plug-in hole 18, and a dial indicator 21 is provided on one side of the shaft tube body 5.

[0023] Specifically, in this embodiment, a workbench 1 is included, a positioning tube 3 is provided on the top outer wall of the workbench 1, a connecting tube 6 is integrally formed on the bottom of the positioning tube 3, the connecting tube 6 and the positioning tube 3 are coaxial, the connecting tube 6 is connected to the workbench 1 through a bearing, the connecting tube 6 can drive the positioning tube 3 to rotate, a conical cavity 4 is provided inside the positioning tube 3, a shaft tube body 5 is inserted inside the conical cavity 4, the taper of the outer wall of the shaft tube body 5 is the same as the taper of the inner wall of the conical cavity 4, a keyway 15 is provided on the bottom side wall of the shaft tube body 5, the keyway 15 is the inherent structure of the shaft tube body 5, a plug-in hole 18 is provided on the outer wall of one side of the positioning tube 3, the cross-section of the plug-in hole 18 is rectangular, a plug-in board 13 is inserted inside the plug-in hole 18, and the cross-section of the plug-in board 13 is also rectangular, a dial indicator 21 is provided on one side of the shaft tube body 5, and the circular runout of the shaft tube body 5 is detected by the dial indicator 21.

[0024] The utility model provides an easy-to-install automobile axle tube detection fixture, which automatically centers the axle tube body 5 through the tapered cavity 4 inside the positioning tube 3, and then cooperates with the key slot 15 through one end of the plug-in plate 13, so that when the positioning tube 3 rotates, the axle tube body 5 can be driven to rotate together. When the axle tube body 5 is undergoing circular runout detection, it can be simply placed and rotated without using a large force, making it more convenient to fix the axle tube body 5 during circular runout detection.

[0025] In another embodiment provided by the utility model, the bottom end of the connecting tube 6 passes through the workbench 1 and is fixed with a driven gear ring 7, the connecting tube 6 is communicated with the inside of the positioning tube 3, a motor 8 is fixed to the top outer wall of the workbench 1, and the output shaft of the motor 8 passes through the workbench 1 and is fixed with a driving gear 9, the motor 8 drives the driving gear 9 to rotate, the driving gear 9 is meshed with the driven gear ring 7, and when the driving gear 9 rotates, it drives the driven gear ring 7 and the connecting tube 6 to rotate.

[0026] In another embodiment provided by the utility model, a fixing cylinder 11 is fixed to the outer wall of one side of the positioning tube 3, a slider 12 is slidably connected inside the fixing cylinder 11, one end of the plug-in plate 13 is fixed to the slider 12, a spring 16 is arranged inside the fixing cylinder 11, and the spring 16 is used to apply elastic force to the slider 12, so that when the shaft tube body 5 is rotated inside the positioning tube 3, one end of the plug-in plate 13 can automatically cooperate with the key slot 15, and one end of the plug-in plate 13 is provided with an arc surface 14, and the plug-in plate A circular arc surface 14 is provided at the end of 13, so that when the shaft tube body 5 is inserted into the positioning tube 3, the circular arc surface 14 of the plug-in board 13 will not form an obstacle to the insertion of the shaft tube body 5; when one end of the plug-in board 13 cooperates with the key slot 15, the side surface of the plug-in board 13 can form an obstacle with the inner wall of the key slot 15, so that the plug-in board 13 can limit the shaft tube body 5 more reliably, and the bottom outer wall of the fixed tube 11 is provided with an air vent 17, and the air vent 17 is used to connect the interior of the fixed tube 11 with the atmosphere.

[0027] In another embodiment provided by the utility model, a support plate 2 is fixed to the bottom of the workbench 1, and an electric telescopic rod 10 is fixed to the bottom outer wall of the support plate 2, and the output end of the electric telescopic rod 10 extends to the inside of the positioning tube 3; a push plate 19 is fixed to the top of the electric telescopic rod 10, and the push plate 19 is driven to move by the electric telescopic rod 10, so that the push plate 19 can lift the shaft tube body from the inside of the positioning tube 3, so that the shaft tube body 5 can be conveniently taken out after the detection is completed, and a protective layer 20 is fixed to the top outer wall of the push plate 19, and the protective layer 20 plays a protective role for the shaft tube body 5, and the push plate 19 is located at the bottom of the shaft tube body 5; an adjustment mechanism 22 is fixed to the top outer wall of the workbench 1, and the adjustment mechanism 22 is a prior art. The output end of the adjustment mechanism 22 is fixed to the dial indicator 21, and the adjustment mechanism 22 is used to drive the dial indicator 21 to move up and down. The fixed distance between the dial indicator 21 and the adjustment mechanism 22 can also be adjusted, so that the dial indicator 21 can perform circular runout detection on different points of the shaft tube body 5.

[0028] Working principle: When in use, insert one end of the shaft tube body 5 with the keyway 15 into the interior of the positioning tube 3, so that the tapered cavity 4 of the positioning tube 3 cooperates with the shaft tube body 5, and then fix the positioning tube 3 by hand and rotate the shaft tube body 5. When the keyway 15 on the shaft tube body 5 corresponds to the plug-in board 13, the elastic force of the spring 16 drives the plug-in board 13 to cooperate with the keyway 15 on the shaft tube body 5, and then the motor 8 drives the active gear 9 to rotate, so that the active gear 9 drives the driven gear ring 7 and the connecting tube 6 to rotate, and then the connecting tube 6 drives the positioning tube 3 and the shaft tube body 5 inside the positioning tube 3 to rotate, and then the outer diameter of the shaft tube body 5 can be measured by the dial indicator 21 for circular runout; at the end of the measurement, the electric telescopic rod 10 can drive the push plate 19 to move upward, so that the push plate 19 lifts the shaft tube body 5.

[0029] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fixture for detecting automobile axle tubes that is easy to install, characterized in that: The workbench (1) comprises a workbench (1), wherein a positioning tube (3) is arranged on the top outer wall of the workbench (1), a connecting tube (6) is integrally formed at the bottom of the positioning tube (3), the connecting tube (6) is connected to the workbench (1) via a bearing, a conical cavity (4) is arranged inside the positioning tube (3), an axle tube body (5) is inserted into the conical cavity (4), a keyway (15) is arranged on the bottom side wall of the axle tube body (5), a plug-in hole (18) is arranged on the outer wall of one side of the positioning tube (3), a plug-in plate (13) is inserted into the plug-in hole (18), and a dial indicator (21) is arranged on one side of the axle tube body (5).

2. The easy-to-install automobile axle tube detection fixture according to claim 1 is characterized in that: The bottom end of the connecting pipe (6) passes through the workbench (1) and is fixed with a driven gear ring (7); a motor (8) is fixed to the top outer wall of the workbench (1); an output shaft of the motor (8) passes through the workbench (1) and is fixed with a driving gear (9); the driving gear (9) is meshed with the driven gear ring (7).

3. The easy-to-install automobile axle tube detection fixture according to claim 1 is characterized in that: A fixing tube (11) is fixed to an outer wall of one side of the positioning tube (3); a slider (12) is slidably connected to the interior of the fixing tube (11); one end of the plug board (13) is fixed to the slider (12); a spring (16) is arranged inside the fixing tube (11); an arc surface (14) is arranged at one end of the plug board (13); and a ventilation hole (17) is arranged on the bottom outer wall of the fixing tube (11).

4. The easy-to-install automobile axle tube detection fixture according to claim 1 is characterized in that: A support plate (2) is fixed to the bottom of the workbench (1), an electric telescopic rod (10) is fixed to the outer wall of the bottom of the support plate (2), and an output end of the electric telescopic rod (10) extends to the interior of the positioning tube (3).

5. The easy-to-install automobile axle tube detection fixture according to claim 4, characterized in that: A push plate (19) is fixed to the top of the electric telescopic rod (10), a protective layer (20) is fixed to the top outer wall of the push plate (19), and the push plate (19) is located at the bottom of the shaft tube body (5).

6. The easy-to-install automobile axle tube detection fixture according to claim 1, characterized in that: An adjustment mechanism (22) is fixed to the top outer wall of the workbench (1), and an output end of the adjustment mechanism (22) is fixed to a dial indicator (21).

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