Supporting arm for automobile crankshaft detection

Abstract

The utility model belongs to the technical field of crankshaft detection supporting arms, and particularly relates to a supporting arm for automobile crankshaft detection, which comprises a base, the lower end of the base is fixedly connected with four uniformly distributed supporting legs, the right side of the upper end of the base is fixedly connected with a protective shell, and the inner wall of the protective shell is rotatably connected with a supporting shaft. A supporting plate is fixedly connected to the upper end of the supporting shaft, a reinforcing rib is welded to the lower end of the supporting plate, and the short right-angle side of the reinforcing rib is welded to the supporting shaft. Through the arrangement of the supporting seat, the mounting seat and other structures, the crankshaft body can be supported and used, under the cooperative use of the first servo motor and the first driving wheel, the crankshaft body can be actively driven to rotate slowly, and under the action of the second driving wheel, smooth rotation of the crankshaft body can be guaranteed, the crankshaft body can be rotatably supported and used, and the service life of the crankshaft body is prolonged. And comprehensive detection and use by subsequent operators are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft detection support arms, and particularly relates to a support arm for automobile crankshaft detection. Background Technique

[0002] As is well known, the support arm for automobile crankshaft detection is a tool for supporting and fixing the crankshaft, and is usually used for detecting and repairing the crankshaft. The support arm is usually made of strong metal materials to help technicians more easily access each part of the crankshaft for detection and repair work.

[0003] In the utility model patent with the patent authorization publication number CN203266482U, a crankshaft detection support device is disclosed, which includes a first limit structure for axially limiting one end of the crankshaft to be measured, a second limit structure for axially limiting the other end of the crankshaft to be measured, a V-block for supporting the main journal of the crankshaft to be measured, and also includes a guide rail fixedly arranged on the crankshaft detection platform, a slider arranged at the bottom of the V-block and adapted to the guide rail, and a positioning structure for positioning the V-block in the direction along the guide rail.

[0004] However, the existing support arms for automobile crankshaft detection also have certain deficiencies. The existing support arms for automobile crankshaft detection mostly simply use components such as V-blocks to support the crankshaft. Due to factors such as the length and damaged position of the crankshaft, the single simple support treatment is very inconvenient for subsequent operators to conduct comprehensive detection. Content of the Utility Model

[0005] The purpose of the utility model is to provide a support arm for automobile crankshaft detection, which solves the problem that the existing support arms for automobile crankshaft detection mostly simply use components such as V-blocks to support the crankshaft. Due to factors such as the length and damaged position of the crankshaft, the single simple support treatment is not convenient for subsequent operators to conduct comprehensive detection.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A support arm for automobile crankshaft detection, including a base, four uniformly distributed support legs are fixedly connected to the lower end of the base, a protective shell is fixedly connected to the upper right side of the base, a support shaft is rotatably connected to the inner wall of the protective shell, a support plate is fixedly connected to the upper end of the support shaft, a reinforcing rib is welded to the lower end of the support plate, the short right-angled side of the reinforcing rib is welded to the support shaft, a support mechanism is arranged on the support plate, and a rotating mechanism is jointly arranged on the base and the protective shell.

[0007] Preferably, the support mechanism includes a fixed plate. The left and right ends of the support plate are fixedly connected to the fixed plates. Two symmetrically distributed triangular blocks are fixedly connected to the upper end of each fixed plate. A support seat is fixedly connected between the two triangular blocks. The inner side wall of the support seat contacts the crankshaft body. The upper end of the support plate is fixedly connected to a mounting seat. The inner side wall of the mounting seat contacts the crankshaft body. A servo motor I is fixedly installed at the right end of the mounting seat. The output shaft of the servo motor I is rotatably connected to the mounting seat. A driving wheel I is fixedly sleeved on the outer side of the output shaft of the servo motor I. The driving wheel I contacts the crankshaft body. Through the arrangement of the support seat, the crankshaft body can be supported and used. Under the action of the servo motor I and the driving wheel I, the crankshaft body can be driven to rotate slowly, which is convenient for subsequent detection and use.

[0008] Preferably, a driven shaft is installed in the mounting seat through a bearing. A driving wheel II is fixedly sleeved on the outer side of the driven shaft. The driving wheel II contacts the crankshaft body. Through the arrangement of the driving wheel II, the rotation smoothness of the crankshaft body can be improved.

[0009] Preferably, the rotating mechanism includes a limiting ring groove. A limiting ring groove is formed on the surface of the support shaft. A fixed frame is fixedly connected to the inner top of the protective shell. A limiting ball is fixedly connected to the horizontal part of the fixed frame. The limiting ball is slidably connected to the limiting ring groove. A driving shaft is rotatably connected to the inside of the base. The driving shaft is fixedly connected to the support shaft. A pulley I is fixedly sleeved on the outer side of the driving shaft. A servo motor II is fixedly installed on the upper right side of the base. A pulley II is fixedly sleeved on the outer side of the output end of the servo motor II. A V-belt is jointly arranged on the surfaces of the pulley II and the pulley I. Through the arrangement of structures such as the servo motor II and the V-belt, the driving shaft can be driven to rotate, so as to drive the support shaft to rotate, and further drive the crankshaft body to deflect in a large range, which is convenient for detection and use.

[0010] Preferably, there are two limiting balls. The two limiting balls are symmetrically distributed on the limiting ring groove. Through the arrangement of the limiting balls, the rotation of the support shaft can be limited in cooperation with the limiting ring groove.

[0011] Preferably, a support ball is fixedly connected to the inside of the driving shaft. The support ball contacts the base. Through the arrangement of the support ball, the driving shaft can be rotatably supported.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. Through the arrangement of structures such as the support base and the mounting base, the present utility model can support the crankshaft body for use. With the cooperation of the first servo motor and the first driving wheel, the crankshaft body can be actively driven to rotate slowly, and with the function of the second driving wheel, the smooth rotation of the crankshaft body can be ensured, and the crankshaft body can be rotationally supported for use, facilitating the comprehensive inspection by subsequent operators.

[0014] 2. Through the arrangement of structures such as the second servo motor, the first pulley, and the V-belt, the present utility model can drive the driving shaft to drive the support shaft to rotate, so as to drive the crankshaft body to rotate within a large range, adaptively adjust the position of the crankshaft body, and improve the convenience of subsequent inspection operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 is of the present utility model Figure 1 top three-dimensional view;

[0017] Figure 3 is of the present utility model Figure 1 front elevation sectional view;

[0018] Figure 4 is of the present utility model Figure 3 enlarged view at A;

[0019] Figure 5 is of the present utility model Figure 3 enlarged view at B.

[0020] In the figure: 1, base; 2, support leg; 3, protective shell; 4, support shaft; 5, support plate; 6, reinforcing rib; 7, support mechanism; 8, rotating mechanism; 71, fixing plate; 72, triangular block; 73, support base; 74, crankshaft body; 75, mounting base; 76, first servo motor; 77, first driving wheel; 78, driven shaft; 79, second driving wheel; 81, limiting ring groove; 82, fixing frame; 83, limiting ball; 84, driving shaft; 85, support ball; 86, first pulley; 87, second servo motor; 88, second pulley; 89, V-belt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 , a support arm for automobile crankshaft detection, comprising a base 1, four uniformly distributed support legs 2 fixedly connected to the lower end of the base 1, a protective shell 3 fixedly connected to the upper right end of the base 1, a support shaft 4 rotatably connected to the inner wall of the protective shell 3, a support plate 5 fixedly connected to the upper end of the support shaft 4, a reinforcing rib 6 welded to the lower end of the support plate 5, and the short right-angled side of the reinforcing rib 6 is welded to the support shaft 4.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 , a support mechanism 7 is arranged on the support plate 5. The support mechanism 7 includes a fixing plate 71. Fixing plates 71 are fixedly connected to both the left and right ends of the support plate 5. Two symmetrically distributed triangular blocks 72 are fixedly connected to the upper end of each fixing plate 71. A support seat 73 is fixedly connected between the two triangular blocks 72. The inner side wall of the support seat 73 contacts a crankshaft body 74. An installation seat 75 is fixedly connected to the upper end of the support plate 5. The inner side wall of the installation seat 75 contacts the crankshaft body 74. A servo motor 1 76 is fixedly installed at the right end of the installation seat 75. The output shaft of the servo motor 1 76 is rotatably connected to the installation seat 75. A driving wheel 1 77 is fixedly sleeved on the outer side of the output shaft of the servo motor 1 76. The driving wheel 1 77 contacts the crankshaft body 74. Through the setting of the support seat 73, the crankshaft body 74 can be supported and used, and under the action of the servo motor 1 76 and the driving wheel 1 77, the crankshaft body 74 can be driven to rotate slowly, facilitating subsequent detection and use.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 , a driven shaft 78 is installed in the installation seat 75 through a bearing. A driving wheel 2 79 is fixedly sleeved on the outer side of the driven shaft 78. The driving wheel 2 79 contacts the crankshaft body 74. Through the setting of the driving wheel 2 79, the rotation smoothness of the crankshaft body 74 can be improved.

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5, a rotating mechanism 8 is jointly provided on the base 1 and the protective shell 3. The rotating mechanism 8 includes a limiting ring groove 81. A limiting ring groove 81 is provided on the surface of the support shaft 4. A fixing frame 82 is fixedly connected to the inner top of the protective shell 3. A limiting ball 83 is fixedly connected to the horizontal part of the fixing frame 82. The limiting ball 83 is slidably connected to the limiting ring groove 81. A driving shaft 84 is rotatably connected inside the base 1. The driving shaft 84 is fixedly connected to the support shaft 4. A first pulley 86 is fixedly sleeved on the outer side of the driving shaft 84. A second servo motor 87 is fixedly installed on the upper right side of the base 1. A second pulley 88 is fixedly sleeved on the output end of the second servo motor 87. A V-belt 89 is jointly provided on the surfaces of the second pulley 88 and the first pulley 86. Through the arrangement of the second servo motor 87, the V-belt 89 and other structures, the driving shaft 84 can be driven to rotate, so as to drive the support shaft 4 to rotate, and then drive the crankshaft body 74 to deflect in a large range, which is convenient for detection and use.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , two limiting balls 83 are provided. The two limiting balls 83 are symmetrically distributed on the limiting ring groove 81. Through the arrangement of the limiting balls 83, the rotation of the support shaft 4 can be limited in cooperation with the limiting ring groove 81. A support ball 85 is fixedly connected inside the driving shaft 84. The support ball 85 contacts the base 1. Through the arrangement of the support ball 85, the driving shaft 84 can be rotatably supported.

[0027] The specific implementation process of the present utility model is as follows: during use, through the combined use of the support base 73 and the mounting base 75, the crankshaft body 74 can be stably supported. Under the action of the fixing plate 71 and the triangular block 72, the structural strength of the support base 73 can be ensured. Start the first servo motor 76 to drive the output shaft to rotate, so as to drive the first driving wheel 77 to rotate, and the crankshaft body 74 can be actively rotated, and then drive the second driving wheel 79 to rotate, so as to ensure the smooth rotation of the crankshaft body 74, which is convenient for subsequent operators to detect and use;

[0028] Start the second servo motor 87 to drive the output end to rotate, so as to drive the second pulley 88 to rotate. Under the transmission of the V-belt 89, the first pulley 86 can be driven to rotate, so as to drive the driving shaft 84 to rotate, and the support ball 85 rotates along the inner wall of the base 1. When the driving shaft 84 rotates, the support shaft 4 can be driven to rotate, so that the limiting ball 83 slides along the inner wall of the limiting ring groove 81 to ensure the stable rotation of the support shaft 4. Finally, the support shaft 4 drives the support plate 5 to rotate. When the support plate 5 rotates, the support mechanism 7 can be driven to rotate, so as to drive the crankshaft body 74 to rotate in a large range, improving the convenience of using the support arm.

[0029] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A support arm for automobile crankshaft detection, comprising a base (1), characterized in that: The lower end of the base (1) is fixedly connected to four evenly distributed support legs (2), the upper right side of the base (1) is fixedly connected to a protective shell (3), the inner wall of the protective shell (3) is rotatably connected to a support shaft (4), the upper end of the support shaft (4) is fixedly connected to a support plate (5), the lower end of the support plate (5) is welded to a reinforcement rib (6), the short right-angle side of the reinforcement rib (6) is welded to the support shaft (4), the support plate (5) is provided with a support mechanism (7), and the base (1) and the protective shell (3) are jointly provided with a rotation mechanism (8).

2. The support arm for automobile crankshaft detection according to claim 1, characterized in that: The support mechanism (7) comprises a fixing plate (71), the left and right ends of the support plate (5) are fixedly connected to the fixing plate (71), the upper end of each fixing plate (71) is fixedly connected to two symmetrically distributed triangular blocks (72), a support seat (73) is fixedly connected between the two triangular blocks (72), the inner side wall of the support seat (73) contacts the crankshaft body (74), the upper end of the support plate (5) is fixedly connected to a mounting seat (75), the inner side wall of the mounting seat (75) contacts the crankshaft body (74), a servo motor 1 (76) is fixedly mounted on the right end of the mounting seat (75), the output shaft of the servo motor 1 (76) is rotatably connected to the mounting seat (75), a driving wheel 1 (77) is fixedly sleeved on the outer side of the output shaft of the servo motor 1 (76), and the driving wheel 1 (77) contacts the crankshaft body (74).

3. The support arm for automobile crankshaft detection according to claim 2, characterized in that: A driven shaft (78) is mounted inside the mounting seat (75) via a bearing, and a second driving wheel (79) is fixedly sleeved on the outside of the driven shaft (78), and the second driving wheel (79) is in contact with the crankshaft body (74).

4. The support arm for automobile crankshaft detection according to claim 1, characterized in that: The rotating mechanism (8) comprises a limiting ring groove (81), the surface of the supporting shaft (4) is provided with a limiting ring groove (81), the inner top of the protective shell (3) is fixedly connected to a fixing frame (82), the horizontal part of the fixing frame (82) is fixedly connected to a limiting ball (83), the limiting ball (83) is slidably connected to the limiting ring groove (81), the inner part of the base (1) is rotatably connected to a driving shaft (84), the driving shaft (84) is fixedly connected to the supporting shaft (4), the outer side of the driving shaft (84) is fixedly sleeved with a pulley 1 (86), the upper right side of the base (1) is fixedly mounted with a servo motor 2 (87), the outer side of the output end of the servo motor 2 (87) is fixedly sleeved with a pulley 2 (88), and the surfaces of the pulley 2 (88) and the pulley 1 (86) are jointly provided with a V-belt (89).

5. The support arm for automobile crankshaft detection according to claim 4, characterized in that: Two limiting balls (83) are provided, and the two limiting balls (83) are symmetrically distributed on the limiting ring groove (81).

6. The support arm for automobile crankshaft detection according to claim 4, characterized in that: A supporting ball (85) is fixedly connected inside the driving shaft (84), and the supporting ball (85) is in contact with the base (1).

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