Fixing clamp for detecting hardness of spherical bearing roller
By designing a fixing fixture for spherical bearing rollers, the automatic stable fixation and automatic rotation of the rollers are achieved by using hydraulic telescopic rods and motors, the trouble of manual support and rotation in the detection of spherical bearing rollers is solved, and the accuracy of test data and the convenience of operation are improved.
Patent Information
- Application Number
- CN202421781904.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The spherical bearing rollers need to be manually supported and rotated during hardness detection, and the test surface needs to be replaced many times. The operation is troublesome and it is difficult to ensure the accuracy of the test data.
Design a fixed fixture, including a testing table, hydraulic telescopic rod, motor and pressure rod, which pushes the motor to drive the pressure rod to press the roller to increase stability; the motor drives the pressure rod to rotate, automatically rotate the roller through static friction, and switches the test surface.
It realizes automatic stable fixation and automatic rotation of spherical bearing rollers, reduces manual operation, improves the accuracy of test data and facilitates operation.
Smart Images
Figure CN222952096U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bearing roller detection, and in particular relates to a fixing fixture used for detecting the hardness of a spherical bearing roller. Background Art
[0002] When testing the hardness of a spherical bearing roller, the spherical roller is usually placed directly on a cylindrical bracket, and then the hardness test probe is pressed down to the surface of the spherical bearing roller to test the hardness. During the test, the spherical roller needs to be supported by one hand to increase the stability of the roller. In addition, the roller needs to be continuously rotated, the test surface needs to be changed, and multi-point hardness testing needs to be performed to increase the accuracy of the test data. This operation method is more troublesome, and we need a fixing fixture to increase the stability of the spherical roller. In addition, the spherical roller needs to be automatically rotated and the test surface needs to be automatically changed. Utility Model Content
[0003] In view of the above problems, the purpose of the utility model is to provide a fixing fixture for testing the hardness of spherical bearing rollers, so as to solve the problem that when performing hardness testing on spherical bearing rollers, the spherical rollers are generally placed directly on a cylindrical bracket through a cylindrical bracket, and then the hardness testing probe is pressed down to the surface of the spherical bearing roller to test the hardness. During the testing, the spherical rollers need to be supported by one hand to increase the stability of the rollers. In addition, the rollers need to be continuously rotated, the test surfaces need to be changed, and multi-point hardness tests need to be performed to increase the accuracy of the test data. This operation method is relatively cumbersome. We need a fixing fixture to increase the stability of the spherical rollers, and in addition, the spherical rollers can be automatically rotated and the test surfaces can be automatically changed.
[0004] To achieve the above purpose, the utility model adopts the following technical solution: a fixing fixture for testing the hardness of a spherical bearing roller, comprising a testing platform with foot rods arranged at the four corners of the lower side, a back plate arranged on one side of the upper side of the testing platform, a top plate arranged on the upper side of the back plate close to the testing platform, a hydraulic telescopic rod 1 arranged on the upper side of the top plate, a testing head arranged on the lower side of the output end of the hydraulic telescopic rod 1 passing through the top plate, a control box arranged on the side of the back plate close to the testing platform, a placement groove opened on the upper side of the testing platform, a cylindrical bracket arranged on the inner side of the placement groove, the cylindrical bracket arranged just below the testing head, fixing fixtures symmetrically arranged on both sides of the cylindrical bracket, the fixing fixture comprising a vertical plate, a hydraulic telescopic rod 2, a motor and a pressure rod, the lower side of the vertical plate is fixedly connected to the testing platform, a hydraulic telescopic rod 2 is arranged on the side of the vertical plate close to the cylindrical bracket, a motor is arranged on the output end of the hydraulic telescopic rod 2 facing the cylindrical bracket, and a pressure rod is arranged on the output end of the motor facing the cylindrical bracket.
[0005] The beneficial effects of the utility model are as follows: the spherical bearing roller is placed on the upper side of the cylindrical bracket, and then the hydraulic telescopic rod 2 is started, and the output end of the hydraulic telescopic rod 2 pushes the motor, and the motor pushes the pressure rod to press the two sides of the spherical roller, which can increase the stability of the spherical roller. During detection, the output end of the hydraulic telescopic rod 1 is used to press the detection head to the upper side of the spherical roller for detection, and the motor is started, and the output end of the motor drives the pressure rod to rotate, and the pressure rod drives the spherical roller to rotate through static friction, and the spherical roller can be automatically rotated, thereby switching the test surface, without manual support and rotation, which is convenient and quick.
[0006] In order to facilitate the replacement of the cylindrical bracket at any time according to the diameter of the spherical roller;
[0007] As a further improvement of the above technical solution: a plug-in rod is provided at a corner of the upper side of the detection platform, and a plurality of cylindrical brackets are sleeved on the upper side of the plug-in rod, and the inner diameters of the cylindrical brackets are different.
[0008] The beneficial effect of this improvement is that when testing spherical rollers of different sizes, the cylindrical bracket cannot adapt to different spherical rollers well. By placing cylindrical brackets with different inner diameters through the plug-in rod, the cylindrical bracket can be replaced at any time according to the diameter of the spherical roller.
[0009] In order to facilitate the rotation of the spherical roller;
[0010] As a further improvement of the above technical solution: the inner diameter edge of the upper side surface of the cylindrical bracket is provided with a rounded corner.
[0011] The beneficial effect of this improvement is that the inner diameter edge of the upper side surface of the cylindrical bracket is rounded to facilitate the rotation of the spherical roller.
[0012] In order to place the spherical rollers that have been tested and are to be tested;
[0013] As a further improvement of the above technical solution: placement boxes are symmetrically arranged on both sides of the detection table.
[0014] The beneficial effect of this improvement is that a placement box is provided for placing the spherical rollers that have been tested and are to be tested.
[0015] In order to increase the static friction between the spherical roller;
[0016] As a further improvement of the above technical solution: a rubber head is provided at one end of the pressure rod close to the cylindrical bracket.
[0017] The beneficial effect of this improvement is that the rubber head is provided to increase the static friction between the rubber head and the spherical roller.
[0018] In order to ensure that the rubber head is in the best clamping position;
[0019] As a further improvement of the above technical solution: the output end of the second hydraulic telescopic rod is provided with an adjustment block, and the side of the adjustment block close to the cylindrical bracket is provided with an adjustment groove, the inner side of the adjustment groove is slidably connected with a slider, the side of the slider close to the cylindrical bracket is fixedly connected to the motor, and the upper side of the adjustment block is provided with a bolt rod, and the bolt rod passes through the adjustment block to the inner side of the adjustment groove and is threadedly connected to the slider.
[0020] The beneficial effect of this improvement is that by twisting the bolt rod, the bolt rod and the slider thread rotate, the slider can be adjusted to slide up and down in the adjustment groove, so that the pressure rod and the rubber head can be driven up and down by the motor, which is convenient for adjusting the position of the rubber head, so that when testing spherical rollers of different diameters, the rubber head can be in the best clamping position.
[0021] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of the utility model;
[0023] Figure 2 It is a structural side view of the utility model;
[0024] Figure 3 It is a structural schematic diagram of the fixing fixture in the utility model;
[0025] Figure 4 This is a schematic diagram of the connection structure of the detection platform in the utility model;
[0026] Figure 5 It is a side structural sectional view of the adjustment block in the utility model;
[0027] In the figure: 1. test table; 2. back plate; 3. top plate; 4. hydraulic telescopic rod 1; 5. test head; 6. control box; 7. placement slot; 8. cylinder bracket; 9. fixing fixture; 91. vertical plate; 92. hydraulic telescopic rod 2; 93. motor; 94. pressure rod; 95. rubber head; 96. adjustment block; 97. adjustment slot; 98. slider; 99. bolt rod; 10. plug-in rod; 11. placement box. DETAILED DESCRIPTION
[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.
[0029] like Figure 1 — Figure 5As shown: a fixing fixture for testing the hardness of a spherical bearing roller, comprising a testing platform 1 with foot rods arranged at the four corners of the lower side, a back plate 2 arranged on one side of the upper side of the testing platform 1, a top plate 3 arranged on the upper side of the back plate 2 close to the testing platform 1, a hydraulic telescopic rod 4 arranged on the upper side of the top plate 3, a testing head 5 arranged on the lower side of the output end of the hydraulic telescopic rod 4 passing through the top plate 3, a control box 6 arranged on the side of the back plate 2 close to the testing platform 1, a placement groove 7 opened on the upper side of the testing platform 1, a cylindrical bracket 8 arranged on the inner side of the placement groove 7, the cylindrical bracket 8 arranged just below the testing head 5, and fixing fixtures 9 symmetrically arranged on both sides of the cylindrical bracket 8, the fixing fixture 9 comprising a vertical plate 91, a hydraulic telescopic rod 92 and a control box 6 arranged on the lower side of the back plate 2. The retractable rod 92, the motor 93 and the pressure rod 94, the lower side of the vertical plate 91 is fixedly connected to the detection platform 1, and the side of the vertical plate 91 close to the cylindrical bracket 8 is provided with a hydraulic telescopic rod 92, and the output end of the hydraulic telescopic rod 92 is provided with a motor 93 toward the cylindrical bracket 8, and the output end of the motor 93 is provided with a pressure rod 94 toward the cylindrical bracket 8, and the spherical bearing roller is placed on the upper side of the cylindrical bracket 8, and then the hydraulic telescopic rod 92 is started, and the output end of the hydraulic telescopic rod 92 pushes the motor 93, and the motor 93 pushes the pressure rod 94 to press the two sides of the spherical roller, which can increase the stability of the spherical roller. During the detection, the detection head 5 is pressed down to the upper side of the spherical roller through the output end of the hydraulic telescopic rod 4 for detection, and the motor 93 is started.The output end of the motor 93 drives the pressure rod 94 to rotate, and the pressure rod 94 drives the spherical roller to rotate through the static friction force, and the spherical roller can be automatically rotated, so as to switch the test surface, without manual support and rotation, which is convenient and fast. A plug-in rod 10 is provided at one corner of the upper side of the detection platform 1, and a plurality of cylindrical brackets 8 are sleeved on the upper side of the plug-in rod 10. The inner diameters of the cylindrical brackets 8 are different. When testing spherical rollers of different sizes, the cylindrical brackets 8 cannot adapt to different spherical rollers well. The cylindrical brackets 8 with different inner diameters are placed by the plug-in rod 10, so that the cylindrical brackets 8 can be replaced at any time according to the diameter of the spherical roller. The inner diameter edge of the upper side of the cylindrical bracket 8 is provided with a rounded corner, and the inner diameter edge of the upper side of the cylindrical bracket 8 is provided with a rounded corner, which is convenient for the rotation of the spherical roller. The two sides of the detection platform 1 are symmetrically provided with a placement box 11, and the placement box 11 is provided for placing the spherical rollers that have been tested and to be tested. The pressure rod 94 is close to A rubber head 95 is provided at one end of the cylindrical bracket 8, and the rubber head 95 is provided to increase the static friction between the cylindrical roller and the cylindrical bracket. An adjustment block 96 is provided at the output end of the hydraulic telescopic rod 2 92. An adjustment groove 97 is provided on the side of the adjustment block 96 close to the cylindrical bracket 8. A slider 98 is provided on the inner side of the adjustment groove 97 for sliding engagement. The slider 98 is fixedly connected to the motor 93 on the side close to the cylindrical bracket 8. A bolt rod 99 is provided on the upper side of the adjustment block 96. The bolt rod 99 penetrates the adjustment block 96 to the inner side of the adjustment groove 97 and is threadedly connected to the slider 98. By twisting the bolt rod 99, the bolt rod 99 and the slider 98 are threadedly rotated, and the slider 98 can be adjusted to slide up and down in the adjustment groove 97, so that the motor 93 can drive the pressure rod 94 and the rubber head 95 to move up and down, which is convenient for adjusting the position of the rubber head 95, so that when testing spherical rollers of different diameters, the rubber head 95 can be in the best clamping position.
[0030] The working principle and use process of this utility model:
[0031] When in use, the spherical bearing roller is placed on the upper side of the cylindrical bracket 8, and then the hydraulic telescopic rod 2 92 is started. The output end of the hydraulic telescopic rod 2 92 pushes the motor 93, and the motor 93 pushes the pressure rod 94 to press the two sides of the spherical roller, which can increase the stability of the spherical roller. During detection, the output end of the hydraulic telescopic rod 1 4 is used to press the detection head 5 to the upper side of the spherical roller for detection. By starting the motor 93, the output end of the motor 93 drives the pressure rod 94 to rotate, and the pressure rod 94 drives the spherical roller to rotate through static friction, which can automatically rotate the spherical roller, thereby switching the test surface, without manual support and rotation, which is convenient and fast. In addition, when in use, when testing spherical rollers of different sizes, the cylindrical bracket 8 cannot adapt to different spherical rollers well. Cylindrical holders 8 with different inner diameters are placed through the plug-in rod 10, so that the cylindrical holder 8 can be replaced at any time according to the diameter of the spherical roller. The inner diameter edge of the upper side of the cylindrical holder 8 is rounded to facilitate the rotation of the spherical roller. In addition, a placement box 11 is provided to place spherical rollers that have been tested and are to be tested. In addition, a rubber head 95 is provided to increase the static friction between the spherical roller and the spherical roller. In addition, by twisting the bolt rod 99, the bolt rod 99 and the slider 98 are threaded and rotated, so that the slider 98 can be adjusted to slide up and down in the adjustment groove 97, so that the motor 93 can drive the pressure rod 94 and the rubber head 95 to move up and down, which is convenient for adjusting the position of the rubber head 95 so that the rubber head 95 can be in the best clamping position when testing spherical rollers with different diameters.
[0032] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0033] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.
Claims
1. A fixing fixture for testing the hardness of a spherical bearing roller, characterized in that: The invention comprises a detection platform (1) with foot rods arranged at the four corners of the lower side, a back plate (2) arranged on one side of the upper side of the detection platform (1), a top plate (3) arranged on the upper side of the back plate (2) close to the detection platform (1), a hydraulic telescopic rod (4) arranged on the upper side of the top plate (3), an output end of the hydraulic telescopic rod (4) passing through the lower side of the top plate (3) is provided with a detection head (5), a control box (6) is arranged on the side of the back plate (2) close to the detection platform (1), a placement groove (7) is opened on the upper side of the detection platform (1), a cylindrical bracket (8) is arranged on the inner side of the placement groove (7), and the cylindrical bracket ( 8) is arranged on the lower side of the detection head (5), and fixing fixtures (9) are symmetrically arranged on both sides of the cylindrical bracket (8), and the fixing fixture (9) includes a vertical plate (91), a hydraulic telescopic rod (92), a motor (93) and a pressure rod (94). The lower side of the vertical plate (91) is fixedly connected to the detection platform (1), and a hydraulic telescopic rod (92) is arranged on the side of the vertical plate (91) close to the cylindrical bracket (8), and the output end of the hydraulic telescopic rod (92) is provided with a motor (93) facing the cylindrical bracket (8), and the output end of the motor (93) is provided with a pressure rod (94) facing the cylindrical bracket (8).
2. A fixing fixture for testing the hardness of a spherical bearing roller according to claim 1, characterized in that: A plug-in rod (10) is provided at one corner of the upper side of the detection platform (1), and a plurality of cylindrical brackets (8) are sleeved and provided on the upper side of the plug-in rod (10), wherein the inner diameters of the cylindrical brackets (8) are different.
3. A fixing fixture for testing the hardness of a spherical bearing roller according to claim 1, characterized in that: The inner diameter edge of the upper side surface of the cylindrical bracket (8) is provided with a rounded corner.
4. A fixing fixture for testing the hardness of a spherical bearing roller according to claim 1, characterized in that: Placement boxes (11) are symmetrically arranged on both sides of the detection platform (1).
5. A fixing fixture for testing the hardness of a spherical bearing roller according to claim 1, characterized in that: A rubber head (95) is provided at one end of the pressure rod (94) close to the cylindrical bracket (8).
6. A fixing fixture for testing the hardness of a spherical bearing roller according to claim 1, characterized in that: The output end of the hydraulic telescopic rod (92) is provided with an adjustment block (96), and the side of the adjustment block (96) close to the cylindrical bracket (8) is provided with an adjustment groove (97), and the inner side of the adjustment groove (97) is provided with a slider (98) for sliding engagement, and the side of the slider (98) close to the cylindrical bracket (8) is fixedly connected to the motor (93), and the upper side of the adjustment block (96) is provided with a bolt rod (99), and the bolt rod (99) passes through the adjustment block (96) to the inner side of the adjustment groove (97) and is threadedly connected to the slider (98).