Gear shaft roundness testing fixture

Abstract

The utility model relates to the field of mechanical detection equipment, and discloses a gear shaft roundness testing fixture, which comprises a workbench, the two sides of the upper surface of the workbench are connected with vertically arranged side plates, the middle part of one group of side plates is provided with a clamping mechanism capable of clamping and driving a gear shaft to rotate, and the middle part of the other group of side plates is provided with a clamping mechanism capable of clamping and driving the gear shaft to rotate. The top of the two sets of side plates is provided with a guide rail parallel to the gear shaft, the guide rail is provided with a plurality of sets of detection mechanisms, each detection mechanism comprises a pressure telescopic mechanism, a detection head and a roller, and the detection heads and the rollers are located at the lower ends of the pressure telescopic mechanisms. Each section of the gear shaft can be detected simultaneously, repeated detection is not needed, and convenience is achieved; and the pressure telescoping mechanism is matched with the detection head, so that the position of the detection head can be adjusted according to the size of each section of the gear shaft, and each section of the gear shaft can be effectively detected by each detection head.

Description

Technical Field

[0001] The present application relates to the field of mechanical testing equipment, and in particular to a gear shaft roundness testing device. Background Art

[0002] A gear shaft refers to a mechanical part that supports a rotating part and rotates with it to transmit motion, torque or bending moment. It is generally in the shape of a metal round rod, and each section can have different diameters. The parts that perform rotating motion in the machine are installed on the shaft. At present, in order to ensure that the gear shaft has a good assembly effect, the gear shaft needs to be tested after production. However, the diameters of the existing gear shafts are different, and the testing needs to be repeated many times, which is inconvenient. Therefore, a gear shaft roundness inspection tool is proposed. Utility Model Content

[0003] In order to solve the problem that the diameters of various sections of the existing gear shaft are different and the inspection needs to be repeated multiple times, which is inconvenient, the present application provides a gear shaft roundness inspection tool.

[0004] A gear shaft roundness gauge provided in the present application adopts the following technical solution: a gear shaft roundness gauge, comprising a workbench, wherein both sides of the upper surface of the workbench are connected with vertically arranged side panels, wherein a clamping mechanism capable of clamping and driving the gear shaft to rotate is arranged in the middle of one group of the side panels, and guide rails parallel to the gear shaft are arranged on the tops of the two groups of side panels, and several groups of detection mechanisms are arranged on the guide rails, wherein the detection mechanisms each include a pressure telescopic mechanism, a detection head and a roller, wherein the detection head and the roller are both located at the lower end of the pressure telescopic mechanism, and the detection head and the roller can be moved in the vertical direction according to the size of the gear shaft through the pressure telescopic mechanism.

[0005] Preferably, the rollers are provided in two groups and are located on both sides of the detection head, and the central axis of the rollers is arranged parallel to the axis of the gear shaft.

[0006] Preferably, the pressure telescopic mechanisms include a sliding sleeve, a first bolt, a vertical rod and a compression spring. The sliding sleeves are sleeved on the guide rail and form a horizontal moving pair therewith. The first bolt is inserted into the sliding sleeve, and one end of the first bolt is against the surface of the guide rail. The vertical rod is inserted in the middle of the sliding sleeve and moves in the vertical direction. The detection head and the roller are both arranged at the lower end of the vertical rod. The compression spring is sleeved on the outer surface of the vertical rod, and the two ends of the compression spring are respectively connected to the sliding sleeve and the detection head.

[0007] Preferably, the upper ends of the vertical rods are fixedly connected to the top plate, the two sides of the guide rails are fixedly connected to electric push rods, the upper ends of the electric push rods are commonly connected to a lifting plate, a groove is provided on the surface of the lifting plate, the vertical rods are located inside the groove, and when the electric push rods drive the lifting plate to move up, the lifting plate can lift the top plate.

[0008] Preferably, the clamping mechanism comprises a cylinder rotatably mounted on the surface of one group of side plates, the surface of the cylinder is inserted with second bolts distributed in a circular array, and the surface of the side plate is fixedly mounted with a motor, and the power end of the motor is mounted at the center of the cylinder.

[0009] In summary, this application includes the following beneficial technical effects:

[0010] The utility model can detect various sections of the gear shaft at the same time by arranging several groups of detection mechanisms, without the need for repeated detection, which is more convenient; and by arranging a pressure expansion and contraction mechanism to cooperate with the detection head, the position of the detection head can be adjusted according to the size of each section of the gear shaft, so that each detection head can effectively detect each section of the gear shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0012] Figure 2 is a schematic structural diagram of a pressure telescopic mechanism of an embodiment of the application;

[0013] Figure 3 Application Example Figure 1 Schematic diagram of the local structure.

[0014] Explanation of the accompanying drawings: 1. workbench; 2. side panel; 3. guide rail; 4. motor; 5. cylinder; 6. first bolt; 7. sliding sleeve; 8. top plate; 9. second bolt; 10. vertical rod; 11. compression spring; 12. detection head; 13. roller; 14. lifting plate; 15. trough body; 16. electric push rod. DETAILED DESCRIPTION

[0015] The following is combined with Figure 1-3 This application is described in further detail.

[0016] The embodiment of the present application discloses a gear shaft roundness inspection tool, including a workbench 1, wherein both sides of the upper surface of the workbench 1 are connected to vertically arranged side panels 2, wherein a clamping mechanism capable of clamping and driving the gear shaft to rotate is arranged in the middle of one group of side panels 2, and guide rails 3 parallel to the gear shaft are arranged on the tops of the two groups of side panels 2, and a plurality of detection mechanisms are arranged on the guide rails 3, wherein the detection mechanisms each include a pressure telescopic mechanism, a detection head 12 and a roller 13, wherein the detection head 12 and the roller 13 are both located at the lower end of the pressure telescopic mechanism, and the detection head 12 and the roller 13 can be moved in the vertical direction according to the size of the gear shaft through the pressure telescopic mechanism.

[0017] In this embodiment, by setting up several groups of detection mechanisms, each section of the gear shaft can be detected at the same time, without the need for repeated detection, which is more convenient; and by setting up a pressure expansion mechanism to cooperate with the detection head 12, the position of the detection head 12 can be adjusted according to the size of each section of the gear shaft, so that each detection head 12 can effectively detect each section of the gear shaft.

[0018] Furthermore, two groups of rollers 13 are provided and are located on both sides of the detection head 12, and the central axis of the rollers 13 is arranged parallel to the axis of the gear shaft.

[0019] In this embodiment, by setting the roller 13, when the clamping mechanism clamps and drives the gear shaft to rotate, the roller 13 can rotate along the surface of the gear shaft. During actual installation, the contact point between the roller 13 and the gear shaft should be lower than the detection head 12, so that the detection head 12 does not contact the gear shaft, avoiding wear caused by contact between the detection head 12 and the gear shaft.

[0020] Furthermore, the pressure telescopic mechanisms include a sleeve 7, a first bolt 6, a vertical rod 10 and a compression spring 11. The sleeves 7 are sleeved on the guide rail 3 and form a horizontal moving pair therewith. The first bolt 6 is inserted into the sleeve 7, and one end of the first bolt 6 is against the surface of the guide rail 3. The vertical rod 10 is inserted in the middle of the sleeve 7 and moves in the vertical direction. The detection head 12 and the roller 13 are both arranged at the lower end of the vertical rod 10. The compression spring 11 is sleeved on the outer surface of the vertical rod 10, and the two ends of the compression spring 11 are respectively connected to the sleeve 7 and the detection head 12.

[0021] In this embodiment, by setting the guide rail 3, the sliding sleeve 7 and the first bolt 6, the sliding sleeve 7 can move in the horizontal direction along the guide rail 3, that is, it can adjust the horizontal position of the pressure telescopic mechanism and the detection head 12, and fix them by the first bolt 6. In actual application, the detection mechanism can be adjusted according to the different lengths of each section of the gear shaft.

[0022] Furthermore, the upper ends of the vertical rods 10 are fixedly connected to the top plate 8, and the electric push rods 16 are fixedly connected to the two sides of the guide rails 3. The upper ends of the electric push rods 16 are commonly connected to the lifting plate 14. The surface of the lifting plate 14 is provided with a groove 15, and the vertical rods 10 are located inside the groove 15. When the electric push rods 16 drive the lifting plate 14 to move upward, the lifting plate 14 can lift the top plate 8.

[0023] In this embodiment, by providing an electric push rod 16, before the clamping mechanism is used to clamp the gear shaft, the electric push rod 16 can be driven to extend, driving the lifting plate 14 to move upward, thereby driving the top plate 8, the vertical rod 10 and the detection head 12 to move upward, which can prevent the detection head 12 and other mechanisms from obstructing the clamping of the gear shaft. After the clamping is completed, the electric push rod 16 can be driven to retract, and the top plate 8 and the vertical rod 10 are affected by the restoring action of the compression spring 11, and both move downward until the roller 13 moves to contact the gear shaft.

[0024] Furthermore, the clamping mechanism includes a cylinder 5 rotatably mounted on the surface of one group of side plates 2, the surface of the cylinder 5 is inserted with second bolts 9 distributed in a circular array, and the surface of the side plate 2 is fixedly mounted with a motor 4, and the power end of the motor 4 is mounted at the center of the cylinder 5.

[0025] In this embodiment, one end of the gear shaft is placed in the cylinder 5 and the second bolt 9 is tightened to fix the gear shaft. The drive motor 4 is rotated to drive the cylinder 5 and the gear shaft to rotate.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0029] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A gear shaft roundness inspection tool, comprising a workbench (1), characterized in that: Both sides of the upper surface of the workbench (1) are connected with vertically arranged side panels (2), wherein a clamping mechanism capable of clamping and driving the gear shaft to rotate is arranged in the middle of one group of the side panels (2), and guide rails (3) parallel to the gear shaft are arranged on the tops of the two groups of side panels (2), and a plurality of detection mechanisms are arranged on the guide rails (3), wherein the detection mechanisms each include a pressure telescopic mechanism, a detection head (12) and a roller (13), wherein the detection head (12) and the roller (13) are both located at the lower end of the pressure telescopic mechanism, and the detection head (12) and the roller (13) can be moved in the vertical direction according to the size of the gear shaft through the pressure telescopic mechanism.

2. A gear shaft roundness inspection tool according to claim 1, characterized in that: The rollers (13) are provided in two groups and are located on both sides of the detection head (12), and the central axis of the rollers (13) is arranged parallel to the axis of the gear shaft.

3. A gear shaft roundness inspection tool according to claim 2, characterized in that: The pressure telescopic mechanism comprises a sliding sleeve (7), a first bolt (6), a vertical rod (10) and a compression spring (11); the sliding sleeve (7) is sleeved on the guide rail (3) and forms a horizontal moving pair therewith; the first bolt (6) is inserted into the sliding sleeve (7), and one end of the first bolt (6) abuts against the surface of the guide rail (3); the vertical rod (10) is inserted into the middle of the sliding sleeve (7) and moves in the vertical direction; the detection head (12) and the roller (13) are both arranged at the lower end of the vertical rod (10); the compression spring (11) is sleeved on the outer surface of the vertical rod (10), and the two ends of the compression spring (11) are respectively connected to the sliding sleeve (7) and the detection head (12).

4. A gear shaft roundness inspection tool according to claim 3, characterized in that: The upper ends of the vertical rods (10) are fixedly connected to the top plate (8), the two sides of the guide rails (3) are fixedly connected to electric push rods (16), the upper ends of the electric push rods (16) are commonly connected to a lifting plate (14), the surface of the lifting plate (14) is provided with a groove body (15), the vertical rods (10) are located inside the groove body (15), and when the electric push rods (16) drive the lifting plate (14) to move upward, the lifting plate (14) can lift the top plate (8).

5. The gear shaft roundness inspection tool according to claim 1, characterized in that: The clamping mechanism comprises a cylinder (5) rotatably mounted on the surface of one group of side plates (2), the surface of the cylinder (5) is inserted with second bolts (9) distributed in a circular array, and the surface of the side plate (2) is fixedly mounted with a motor (4), and the power end of the motor (4) is mounted at the center of the cylinder (5).

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