Clamping mechanism and shaft measuring device thereof

Abstract

The utility model discloses a clamping mechanism and a shaft measuring device thereof, which comprise a workbench, bearing plates are symmetrically arranged at the top end of the workbench, hydraulic cylinders are arranged at the side parts of the bearing plates, a laminating plate is arranged at the side part of a clamping plate, a connecting mechanism is arranged between the clamping plate and the laminating plate, and the connecting mechanism comprises a positioning column and a limiting plate. The limiting plate is slidably arranged on the positioning column and used for locking the connecting position of the positioning column and the clamping plate, the mounting rod and the sliding frame. The hydraulic cylinder, the clamping plate, the attaching plate, the connecting plate, the positioning column, the limiting plate, the mounting rod, the sliding frame, the fixing frame, the fixing rod and the spring are matched with one another, the attaching plate is connected with the clamping plate through the positioning column, the limiting plate limits the relative positions of the positioning column and the clamping plate, the mounting rod limits the position of the limiting plate, and the sliding frame is arranged on the fixing frame. And therefore, mounting and dismounting of the laminating plate are facilitated, independent taking down and replacement of the laminating plate are facilitated, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the field of clamping mechanisms of shaft measuring devices, in particular to a clamping mechanism and a shaft measuring device thereof. Background Art

[0002] The shaft measuring device is usually a commonly used measuring equipment. When measuring the shaft body, the shaft measuring device usually needs to keep the shaft body stable, and then a clamping mechanism is used.

[0003] The clamping mechanism of the shaft measuring device in the prior art usually includes a workbench, a load-bearing plate, a clamping plate and a hydraulic cylinder. The load-bearing plate is fixed on the top of the workbench, the hydraulic cylinder is located on the workbench, and the output end of the hydraulic cylinder is transmission-connected to the clamping plate. The hydraulic cylinder drives the clamping plate to move, places the shaft body on the top of the workbench and between the two clamping plates, and then drives the clamping plate to clamp and fix the shaft body, and then measures the shaft body.

[0004] When the clamping plate clamps the shaft, friction will be generated between the clamping plate and the shaft. After the clamping plate is used for a long time, the surface of the clamping plate will be worn, affecting the stability of the clamping of the shaft. It is usually necessary to disassemble the clamping plate, replace it as a whole or continue to use it after processing the surface. This method will result in waste of resources or cumbersome operation. It is not convenient to replace the clamping surface of the clamping plate after the clamping plate is worn, and there are certain limitations. Utility Model Content

[0005] The purpose of the utility model is to provide a clamping mechanism and an axis measuring device thereof to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping mechanism, comprising:

[0007] A workbench, wherein a bearing plate is symmetrically arranged on the top of the workbench, a hydraulic cylinder is installed on the side of the bearing plate, and the output end of the hydraulic cylinder is transmission-connected with a clamping plate;

[0008] The side of the clamping plate is provided with a bonding plate for bonding and clamping with the shaft body, and a connecting mechanism for locking the mounting position of the bonding plate is provided between the clamping plate and the bonding plate, and the connecting mechanism includes:

[0009] A positioning column, which is slidably disposed on the side of the clamping plate and is used for positioning the mounting of the bonding plate;

[0010] A limit plate, which is slidably disposed on the positioning column and is used to lock the connection position between the positioning column and the clamping plate;

[0011] The mounting rod and the sliding frame are used to drive the mounting rod to move. The mounting rod is slidably arranged on the other side of the clamping plate, and the sliding frame is located on the other side of the clamping plate. The mounting rod is used to protect the limit plate from falling off, and the sliding frame is used to drive the mounting rod to move.

[0012] Preferably, a plurality of mounting grooves are provided on the side of the clamping plate, the side of the positioning column is fixedly connected to the bonding plate, the positioning column is slidably and interlacedly connected to the inner cavity of the mounting groove, a first sliding groove is provided between the inner walls of the mounting groove, a second sliding groove is provided on both sides of the clamping plate, a limiting groove is provided on the side of the positioning column, and the limiting plate is slidably and interlacedly connected to the first sliding groove, the second sliding groove and the inner cavity of the limiting groove.

[0013] Preferably, a connecting plate for pulling the limiting plate to slide horizontally is fixedly connected to the side of the limiting plate, one end of the mounting rod is fixedly connected to the sliding frame, a third sliding groove is provided on the other side of the clamping plate, a positioning groove is provided on the side of the limiting plate, and the mounting rod is slidably and interlacedly connected with the inner cavity of the third sliding groove and the positioning groove.

[0014] Preferably, a fixing frame is fixedly connected to a side portion of the sliding frame, and a fixing rod for guiding the sliding frame to slide is fixedly connected to the other side portion of the clamping plate.

[0015] Preferably, the outer wall of the fixing rod is slidably and interlacedly connected with the sliding frame, the fixing rod is located inside the fixing frame, and the outer wall of the fixing rod is fixedly connected with a square plate.

[0016] Preferably, the outer wall of the fixing rod is sleeved with a spring for driving the sliding frame to slide horizontally, one end of the spring is fixedly connected to the sliding frame, and the other end of the spring is fixedly connected to the square plate.

[0017] Another object of the utility model is to provide an axle measuring device, which includes the above-mentioned clamping mechanism.

[0018] Technical effects and advantages of the utility model:

[0019] The utility model utilizes the mutual cooperation of a hydraulic cylinder, a clamping plate, a bonding plate, a connecting plate, a positioning column, a limiting plate, a mounting rod, a sliding frame, a fixing rod and a spring. The hydraulic cylinder drives the clamping to move, the positioning column connects the bonding plate with the clamping plate, the limiting plate limits the relative position of the positioning column and the clamping plate, and the mounting rod limits the position of the limiting plate, which is beneficial to the installation and disassembly of the bonding plate, and is convenient for independent removal and replacement of the bonding plate, and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a front sectional structural schematic diagram of the clamping plate of the utility model.

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the clamping plate of the utility model in a top view.

[0023] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0024] In the figure: 1. workbench; 2. load-bearing plate; 3. hydraulic cylinder; 4. clamping plate; 5. bonding plate; 6. connecting mechanism; 61. connecting plate; 62. positioning column; 63. limit plate; 64. mounting rod; 65. sliding frame; 66. fixed frame; 67. fixed rod; 68. spring; 69. square plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-4 A clamping mechanism shown includes a workbench 1, a supporting plate 2 is symmetrically arranged on the top of the workbench 1, a hydraulic cylinder 3 is installed on the side of the supporting plate 2, the hydraulic cylinder 3 is electrically connected to an external power supply through an external switch, and the output end of the hydraulic cylinder 3 is transmission-connected to a clamping plate 4, which is beneficial to supporting the bonding plate 5.

[0027] Furthermore, a bonding plate 5 for bonding and clamping the shaft body is provided on the side of the clamping plate 4, which is conducive to bonding with the surface of the shaft body, and further facilitates clamping and fixing when measuring the shaft body. The bonding plate 5 is the clamping surface of the clamping plate 4, and a connecting mechanism 6 for locking the installation position of the bonding plate 5 is provided between the clamping plate 4 and the bonding plate 5. The connecting mechanism 6 includes a positioning column 62, and the positioning column 62 is conducive to installing and positioning the bonding plate 5, which is convenient for increasing the stability of the installation of the bonding plate 5. The positioning column 62 is slidably arranged on the side of the clamping plate 4, and the positioning column 62 is used for installing and positioning the bonding plate 5. The limiting plate 63 is conducive to limiting the relative position of the positioning column 62 and the clamping plate 4, and further facilitates the installation and removal of the bonding plate 5. , it is convenient to directly replace the fitting surface of the clamping plate 4 independently, and the operation is convenient. The limit plate 63 is slidably arranged on the positioning column 62, and the limit plate 63 is used to lock the connection position between the positioning column 62 and the clamping plate 4, the mounting rod 64 and the sliding frame 65, the mounting rod 64 is conducive to limiting the relative position of the limit plate 63 and the clamping plate 4, and avoiding the limit plate 63 from sliding randomly. The sliding frame 65 is L-shaped, and the sliding frame 65 is conducive to driving the mounting rod 64 to move, which is convenient for pulling the mounting rod 64. The mounting rod 64 is slidably arranged on the other side of the clamping plate 4, and the sliding frame 65 is located on the other side of the clamping plate 4. The mounting rod 64 is used to prevent the limit plate 63 from falling off, and the sliding frame 65 is used to drive the mounting rod 64 to move.

[0028] Specifically, a plurality of mounting grooves are provided on the side of the clamping plate 4, the side of the positioning column 62 is fixedly connected to the bonding plate 5, the positioning column 62 is slidably and interlacedly connected to the inner cavity of the mounting groove, a first sliding groove is provided between the inner walls of the mounting groove, a second sliding groove is provided on both sides of the clamping plate 4, a limiting groove is provided on the side of the positioning column 62, and the limiting plate 63 is slidably and interlacedly connected to the first sliding groove, the second sliding groove and the inner cavity of the limiting groove.

[0029] Specifically, a connecting plate 61 for pulling the limiting plate 63 to slide horizontally is fixedly connected to the side of the limiting plate 63, which is conducive to pulling the limiting plate 63 to move and facilitates the pulling operation of the limiting plate 63. One end of the mounting rod 64 is fixedly connected to the sliding frame 65, and a third sliding groove is provided on the other side of the clamping plate 4. A positioning groove is provided on the side of the limiting plate 63. The mounting rod 64 is slidably and interlacedly connected with the inner cavities of the third sliding groove and the positioning groove.

[0030] More specifically, a fixing frame 66 is fixedly connected to the side of the sliding frame 65, which is beneficial to sealing and protecting the spring 68 and facilitating the movement of the sliding frame 65. A fixing rod 67 for guiding the sliding frame 65 to slide is fixedly connected to the other side of the clamping plate 4, which is beneficial to making the sliding frame 65 slide thereon and facilitating the sliding guidance of the sliding frame 65. The outer wall of the fixing rod 67 is slidably connected and interlaced with the sliding frame 65. The fixing rod 67 is located inside the fixing frame 66. A square plate 69 is fixedly connected to the outer wall of the fixing rod 67, which is beneficial to compressing the spring 68. A spring 68 for driving the sliding frame 65 to slide horizontally is sleeved on the outer wall of the fixing rod 67. The elastic force of the spring 68 is beneficial to pushing the sliding frame 65 to move, so that the sliding frame 65 and the mounting rod 64 return to their original positions after movement, so as to facilitate repeated operation of the mounting rod 64. One end of the spring 68 is fixedly connected to the sliding frame 65, and the other end of the spring 68 is fixedly connected to the square plate 69.

[0031] This embodiment provides an axle measuring device, which includes the above-mentioned clamping mechanism.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamping mechanism, comprising: A workbench (1), wherein a bearing plate (2) is symmetrically arranged at the top of the workbench (1), a hydraulic cylinder (3) is installed on the side of the bearing plate (2), and the output end of the hydraulic cylinder (3) is transmission-connected to a clamping plate (4); The invention is characterized in that a bonding plate (5) for bonding and clamping the shaft body is provided on the side of the clamping plate (4), and a connecting mechanism (6) for locking the installation position of the bonding plate (5) is provided between the clamping plate (4) and the bonding plate (5), and the connecting mechanism (6) comprises: A positioning column (62), wherein the positioning column (62) is slidably disposed on the side of the clamping plate (4), and the positioning column (62) is used for installing and positioning the bonding plate (5); A limiting plate (63), wherein the limiting plate (63) is slidably disposed on the positioning column (62), and the limiting plate (63) is used to lock the connection position between the positioning column (62) and the clamping plate (4); A mounting rod (64) and a sliding frame (65), wherein the mounting rod (64) is slidably arranged on the other side of the clamping plate (4), and the sliding frame (65) is located on the other side of the clamping plate (4). The mounting rod (64) is used to prevent the limiting plate (63) from falling off, and the sliding frame (65) is used to drive the mounting rod (64) to move.

2. A clamping mechanism according to claim 1, characterized in that: The side of the clamping plate (4) is provided with a plurality of mounting grooves, the side of the positioning column (62) is fixedly connected to the bonding plate (5), the positioning column (62) is slidably and interlacedly connected to the inner cavity of the mounting groove, a first sliding groove is provided between the inner walls of the mounting groove, a second sliding groove is provided on both sides of the clamping plate (4), a limiting groove is provided on the side of the positioning column (62), and the limiting plate (63) is slidably and interlacedly connected to the first sliding groove, the second sliding groove and the inner cavity of the limiting groove.

3. A clamping mechanism according to claim 1, characterized in that: A connecting plate (61) for pulling the limiting plate (63) to slide horizontally is fixedly connected to the side of the limiting plate (63); one end of the mounting rod (64) is fixedly connected to the sliding frame (65); a third sliding groove is provided on the other side of the clamping plate (4); a positioning groove is provided on the side of the limiting plate (63); the mounting rod (64) is slidably connected with the inner cavity of the third sliding groove and the positioning groove.

4. A clamping mechanism according to claim 1, characterized in that: A fixed frame (66) is fixedly connected to the side of the sliding frame (65), and a fixed rod (67) for slidingly guiding the sliding frame (65) is fixedly connected to the other side of the clamping plate (4).

5. A clamping mechanism according to claim 4, characterized in that: The outer wall of the fixed rod (67) is slidably connected to the sliding frame (65), the fixed rod (67) is located inside the fixed frame (66), and the outer wall of the fixed rod (67) is fixedly connected to a square plate (69).

6. A clamping mechanism according to claim 4, characterized in that: The outer wall of the fixed rod (67) is sleeved with a spring (68) for driving the sliding frame (65) to slide horizontally, one end of the spring (68) is fixedly connected to the sliding frame (65), and the other end of the spring (68) is fixedly connected to the square plate (69).

7. An axle measuring device, characterized in that: The axle measuring device comprises the clamping mechanism as described in any one of claims 1-6.

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