Hollow shaft detection tool

Abstract

The utility model discloses a hollow shaft detection tool comprising a bearing pedestal, the top end of the bearing pedestal is symmetrically and fixedly connected with a backing plate, the backing plate is provided with a moving plate, the side part of the moving plate is provided with an arc plate, and the moving plate is provided with an adjusting mechanism used for locking different heights of the moving plate. The adjusting mechanism comprises an adjusting plate, an adjusting column, a connecting plate, an auxiliary plate and a limiting column, the moving plate is slidably arranged on the adjusting plate, the adjusting plate is used for supporting vertical movement of the moving plate, a limiting groove is formed in the side portion of the adjusting plate, and the adjusting column is slidably connected with an inner cavity of the limiting groove in a penetrating and inserting mode. Through mutual cooperation of the moving plate, the adjusting plate, the adjusting column, the connecting plate, the auxiliary plate, the limiting column, the pulling plate and the operation plate, the moving plate slides on the adjusting plate, the limiting column limits the position of the connecting plate, the height of the moving plate and the height of the arc-shaped plate can be conveniently adjusted, and the working efficiency is improved. And hollow shafts with different heights can be conveniently clamped and fixed.

Description

Technical Field

[0001] The utility model relates to the field of hollow shaft detection fixtures, and particularly relates to a hollow shaft detection fixture. Background Technique

[0002] A hollow shaft generally refers to a shaft with a through hole formed in the center of the shaft body. When processing a hollow shaft, it is usually necessary to detect the hollow shaft, and thus a hollow shaft detection fixture will be used.

[0003] A hollow shaft inner diameter detection device is mentioned in the application number 202221878581.5, which includes a bearing base. A clamping mechanism for clamping and fixing the hollow shaft is arranged at the top of the bearing base. The clamping mechanism includes two arc-shaped clamping plates for clamping the hollow shaft, and auxiliary mechanisms for rotating the hollow shaft are arranged on one side of the two arc-shaped clamping plates facing each other.

[0004] Among them, the arc-shaped plate is used to clamp the hollow shaft. A support plate is fixedly connected to the top of the bearing base, and a hydraulic cylinder is fixedly inserted through the support plate. The output end of the hydraulic cylinder is in transmission connection with the arc-shaped plate. However, the support plate usually has a fixed height, which will cause the clamping height of the arc-shaped plate for the hollow shaft to be fixed, making it inconvenient to adjust the height of the arc-shaped plate according to hollow shafts of different heights, and there are certain limitations. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hollow shaft detection fixture to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A hollow shaft detection fixture, including:

[0007] A bearing base, on the top of which two cushion blocks are symmetrically and fixedly connected. A moving plate is arranged on the top of the cushion blocks, and an arc-shaped plate is arranged on the side of the moving plate;

[0008] An adjusting mechanism for locking the moving plate at different heights is arranged on the moving plate. The adjusting mechanism includes:

[0009] An adjusting plate, the moving plate is slidably arranged on the adjusting plate, and the adjusting plate is used to support the vertical movement of the moving plate;

[0010] An adjusting column and a connecting plate, the connecting plate is located on the side of the moving plate. A limiting groove is opened on the side of the adjusting plate, and the adjusting column is slidably inserted into the inner cavity of the limiting groove. The adjusting column is used to lock the relative positions of the moving plate and the adjusting plate;

[0011] An auxiliary plate and a limiting column, the limiting column is slidably arranged on the top of the connecting plate, and the limiting column is used to lock the position of the connecting plate.

[0012] Preferably, the bottom end of the adjusting plate is fixedly connected to the backing plate, the side of the adjusting column is fixedly connected to the connecting plate, a first sliding groove is formed in the side of the moving plate, the adjusting column is slidably inserted into the inner cavity of the first sliding groove, and the side of the auxiliary plate is fixedly connected to the moving plate.

[0013] Preferably, a second sliding groove is formed in the bottom end of the moving plate, the adjusting plate is slidably inserted into the inner cavity of the second sliding groove, a positioning groove is formed in the top end of the connecting plate, and the limiting column is slidably inserted into the inner cavity of the positioning groove.

[0014] Preferably, a square groove is formed in the top end of the auxiliary plate, a third sliding groove is formed in the bottom end of the inner wall of the square groove, the limiting column is slidably inserted into the inner cavities of the square groove and the third sliding groove, a pulling plate is fixedly connected to the top end of the limiting column, and an operating plate is fixedly connected to the top end of the pulling plate.

[0015] Preferably, a through groove is formed in the side of the inner wall of the square groove, a bearing frame is embedded in the inner cavity of the through groove, a fixing rod is slidably arranged in the inner cavity of the bearing frame, a traction plate for driving the pulling plate to move vertically is fixedly connected to the side of the pulling plate, and the outer wall of the fixing rod is slidably inserted into the traction plate.

[0016] Preferably, a spring for driving the traction plate to move vertically is sleeved on the outer wall of the fixing rod, one end of the spring is fixedly connected to the bearing frame, and the other end of the spring is fixedly connected to the traction plate.

[0017] Technical effects and advantages of the present utility model:

[0018] By utilizing the mutual cooperation of the moving plate, the adjusting plate, the adjusting column, the connecting plate, the auxiliary plate, the limiting column, the pulling plate and the operating plate, the moving plate slides on the adjusting plate, the moving plate drives the arc-shaped plate to move, the connecting plate drives the adjusting column to limit the relative positions of the moving plate and the adjusting plate, and the limiting column limits the position of the connecting plate, thereby facilitating the adjustment of the heights of the moving plate and the arc-shaped plate and being convenient for clamping and fixing hollow shafts of different heights. Description of the drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0020] Figure 2 It is a front sectional view structure diagram of the moving plate of the present utility model.

[0021] Figure 3 It is a front sectional view structure diagram of the auxiliary plate of the present utility model.

[0022] In the figure: 1, bearing base; 2, backing plate; 3, moving plate; 4, arc plate; 5, adjusting mechanism; 51, adjusting plate; 52, adjusting column; 53, connecting plate; 54, auxiliary plate; 55, limiting column; 56, pulling plate; 57, bearing frame; 58, fixing rod; 59, traction plate; 510, spring; 511, operation plate. Detailed implementation manner

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] The present invention provides a hollow shaft detection jig as Figures 1-3 shown, which includes a bearing base 1. The top of the bearing base 1 is symmetrically and fixedly connected with backing plates 2, which is beneficial to support the adjusting plate 51. A moving plate 3 is arranged on the top of the backing plate 2, which is beneficial to drive the arc plate 4 to move and facilitate the height adjustment of the arc plate 4. An arc plate 4 is arranged on the side of the moving plate 3.

[0025] Furthermore, an adjusting mechanism 5 for locking the different heights at which the moving plate 3 is located is provided on the moving plate 3. The adjusting mechanism 5 includes an adjusting plate 51, an adjusting column 52, a connecting plate 53, an auxiliary plate 54, and a limiting column 55. The adjusting plate 51 is conducive to slidingly supporting the moving plate 3 thereon and is also conducive to adjusting the height of the moving plate 3. The adjusting column 52 is conducive to defining the relative position between the moving plate 3 and the adjusting plate 51, and thus is conducive to adjusting the height of the moving plate 3, facilitating clamping and fixing of hollow shafts of different heights. The connecting plate 53 is conducive to pulling the adjusting column 52 to move, facilitating the traction operation of the adjusting column 52. The auxiliary plate 54 is conducive to enabling the limiting column 55 to slide thereon, facilitating the sliding support of the limiting column 55. The limiting column 55 is conducive to defining the relative position between the auxiliary plate 54 and the connecting plate 53, and thus is conducive to defining the positions of the connecting plate 53 and the adjusting column 52, preventing the random sliding of the adjusting column 52. The moving plate 3 is slidably arranged on the adjusting plate 51, and the adjusting plate 51 is used to support the vertical movement of the moving plate 3. The connecting plate 53 is located on the side of the moving plate 3. A limiting groove is formed in the side of the adjusting plate 51, and the adjusting column 52 is slidably inserted into the inner cavity of the limiting groove. The adjusting column 52 is used to lock the relative position between the moving plate 3 and the adjusting plate 51. The limiting column 55 is slidably arranged on the top of the connecting plate 53, and the limiting column 55 is used to lock the position where the connecting plate 53 is located. The bottom end of the adjusting plate 51 is fixedly connected to the cushion plate 2. The side of the adjusting column 52 is fixedly connected to the connecting plate 53. A first sliding groove is formed in the side of the moving plate 3, and the adjusting column 52 is slidably inserted into the inner cavity of the first sliding groove. The side of the auxiliary plate 54 is fixedly connected to the moving plate 3. A second sliding groove is formed in the bottom end of the moving plate 3, and the adjusting plate 51 is slidably inserted into the inner cavity of the second sliding groove. A positioning groove is formed in the top end of the connecting plate 53, and the limiting column 55 is slidably inserted into the inner cavity of the positioning groove.

[0026] Specifically, a square groove is formed at the top end of the auxiliary plate 54, and a third sliding groove is formed at the bottom end of the inner wall of the square groove. The limiting column 55 is slidably inserted into the inner cavities of both the square groove and the third sliding groove. A pulling plate 56 is fixedly connected to the top end of the limiting column 55, which is beneficial for pulling the limiting column 55 to move and facilitating the movement of the limiting column 55. An operating plate 511 is fixedly connected to the top end of the pulling plate 56, which is beneficial for pulling the pulling plate 56. A through groove is formed at the side of the inner wall of the square groove, and a bearing frame 57 is embedded in the inner cavity of the through groove. The bearing frame 57 is arranged in a U shape and is beneficial for compressing the spring 510. A fixing rod 58 is slidably arranged in the inner cavity of the bearing frame 57, which is beneficial for guiding the deformation of the spring 510. A traction plate 59 for driving the pulling plate 56 to move vertically is fixedly connected to the side of the pulling plate 56, which is beneficial for driving the pulling plate 56 to move and facilitating the pulling operation of the pulling plate 56. The outer wall of the fixing rod 58 is slidably inserted into the traction plate 59, and a spring 510 for driving the traction plate 59 to move vertically is sleeved on the outer wall of the fixing rod 58. The elastic force of the spring 510 is beneficial for pushing the traction plate 59 to move, facilitating the restoration of the traction plate 59 and the pulling plate 56 to their original positions after movement, and facilitating the repeated operation of the limiting column 55. One end of the spring 510 is fixedly connected to the bearing frame 57, and the other end of the spring 510 is fixedly connected to the traction plate 59.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hollow shaft detection fixture, comprising: A bearing base (1), wherein a pad (2) is symmetrically fixedly connected to the top of the bearing base (1), a movable plate (3) is arranged on the top of the pad (2), and an arc-shaped plate (4) is arranged on the side of the movable plate (3); The feature is that the movable plate (3) is provided with an adjustment mechanism (5) for locking the movable plate (3) at different heights, and the adjustment mechanism (5) comprises: an adjusting plate (51), the movable plate (3) being slidably arranged on the adjusting plate (51), and the adjusting plate (51) being used to support the vertical movement of the movable plate (3); An adjusting column (52) and a connecting plate (53), wherein the connecting plate (53) is located on the side of the movable plate (3), a limiting groove is provided on the side of the adjusting plate (51), the adjusting column (52) is slidably connected with the inner cavity of the limiting groove, and the adjusting column (52) is used to lock the relative position of the movable plate (3) and the adjusting plate (51); An auxiliary plate (54) and a limiting column (55), wherein the limiting column (55) is slidably arranged on the top of the connecting plate (53), and the limiting column (55) is used to lock the position of the connecting plate (53).

2. A hollow shaft detection fixture according to claim 1, characterized in that: The bottom end of the adjustment plate (51) is fixedly connected to the pad (2), the side of the adjustment column (52) is fixedly connected to the connecting plate (53), the side of the movable plate (3) is provided with a first sliding groove, the adjustment column (52) is slidably connected to the inner cavity of the first sliding groove, and the side of the auxiliary plate (54) is fixedly connected to the movable plate (3).

3. The hollow shaft detection fixture according to claim 1, characterized in that: A second sliding groove is provided at the bottom end of the movable plate (3), the adjusting plate (51) is slidably connected with the inner cavity of the second sliding groove, a positioning groove is provided at the top end of the connecting plate (53), and the limiting column (55) is slidably connected with the inner cavity of the positioning groove.

4. The hollow shaft detection fixture according to claim 1, characterized in that: A square groove is provided at the top end of the auxiliary plate (54), a third sliding groove is provided at the bottom end of the inner wall of the square groove, the limiting column (55) is slidably connected to the inner cavities of the square groove and the third sliding groove, the top end of the limiting column (55) is fixedly connected to a pulling plate (56), and the top end of the pulling plate (56) is fixedly connected to an operating plate (511).

5. The hollow shaft detection fixture according to claim 4, characterized in that: A through groove is provided on the side of the inner wall of the square groove, a bearing frame (57) is embedded in the inner cavity of the through groove, a fixing rod (58) is slidably provided in the inner cavity of the bearing frame (57), a traction plate (59) for driving the pulling plate (56) to move vertically is fixedly connected to the side of the pulling plate (56), and the outer wall of the fixing rod (58) is slidably connected with the traction plate (59).

6. The hollow shaft detection fixture according to claim 5, characterized in that: The outer wall of the fixing rod (58) is sleeved with a spring (510) for driving the traction plate (59) to move vertically, one end of the spring (510) is fixedly connected to the supporting frame (57), and the other end of the spring (510) is fixedly connected to the traction plate (59).

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