A bearing ring radial stiffness automatic tester

Abstract

The application relates to the technical field of bearing testers, and discloses a bearing ring radial stiffness automatic tester. The bearing ring radial stiffness automatic tester comprises a base, an L-shaped support plate is fixed to the top of the base, a gas cylinder is fixed to the top of the L-shaped support plate, a piston rod is connected to a piston in the gas cylinder, a fixed plate is fixed to the bottom of the piston rod, a pressurizing rod is fixed to the bottom of the fixed plate, a control plate is fixed to the inner side of the L-shaped support plate, and a placing groove is formed in the top of the base. When the bearing to be measured needs to be clamped, two groups of sliding plates can be pushed to move close to each other. Through cooperation of the connecting rod, the clamping plate, the connecting column, the rubber plate, the limiting groove and the limiting rod, the bearing to be measured can be clamped and fixed. Different sizes of bearings to be measured can be clamped and fixed through the multiple limiting grooves.

Description

Technical Field

[0001] This invention relates to the field of bearing testing instruments, specifically an automatic bearing ring radial stiffness tester. Background Technology

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support rotating mechanical parts, reduce the coefficient of friction during their movement, and ensure their rotational accuracy.

[0003] When manufacturing bearings, it is necessary to test the radial stiffness of the bearing rings. During the testing of the bearings, they need to be clamped and fixed.

[0004] Existing automatic bearing ring radial stiffness testers clamp the bearings using bolts. This method not only increases the workload for operators, but also makes it difficult to tighten the bolts, as they may rust over time. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic bearing ring radial stiffness tester to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic bearing ring radial stiffness tester, comprising a base, an L-shaped support plate fixed to the top of the base, a cylinder fixed to the top of the L-shaped support plate, a piston rod connected to a piston inside the cylinder, a fixing plate fixed to the bottom of the piston rod, a pressure rod fixed to the bottom of the fixing plate, a control plate fixed to the inner side of the L-shaped support plate, a placement groove formed on the top of the base, a bearing to be tested fitting against the inner wall of the placement groove, a sliding groove formed on the top of the base, a clamping mechanism provided in the sliding groove, the clamping mechanism comprising a sliding plate, a connecting rod, and a connecting plate, the sliding plate being slidably mounted on the inner wall of the sliding groove, one end of the connecting rod being fixed to the side wall of the sliding plate, the other end of the connecting rod being fixed to the clamping plate, the connecting plate being fixed to the top of the base, the connecting rod penetrating the connecting plate, and the penetrating part of the connecting rod and the connecting plate being slidably connected.

[0007] Preferably, a connecting spring is fixed to the side wall of the clamping plate, and the side of the connecting spring away from the clamping plate is fixed to the side wall of the connecting plate. Two sets of clamping plates are provided, and the two sets of clamping plates are symmetrically arranged about the center line of the vertical direction of the base. A groove is provided on the clamping plate, and a compression spring is fixed to the inner wall of the groove. A connecting column is fixed to the side wall of the compression spring, and the connecting column is slidably installed on the inner wall of the groove. A rubber plate is fixed to the side of the connecting column away from the compression spring. Two sets of rubber plates are provided, and the two sets of rubber plates are mirror images of the base. The side wall of the clamping plate is set as an inclined surface.

[0008] Preferably, the outer wall of the connecting rod has multiple sets of equidistant limiting grooves, the inner wall of the limiting grooves has an inclined surface, the connecting plate has a fixing groove, the inner wall of the fixing groove has a limiting rod slidably installed, the bottom of the limiting rod has an inclined surface, the top of the limiting rod has a pull rod fixed, the top of the pull rod has a pull ring fixed, there are two sets of limiting rods, and the two sets of limiting rods are symmetrically arranged about the center line of the vertical direction of the base as the axis of symmetry, the bottom of the limiting rod has an inclined surface, the top of the limiting rod has a transmission spring fixed, the top of the transmission spring is fixed to the inner wall of the fixing groove, there are two sets of transmission springs, and the two sets of transmission springs are symmetrically arranged about the center line of the vertical direction of the L-shaped support plate as the axis of symmetry.

[0009] Preferably, there are two sets of connecting plates, and the two sets of connecting plates are symmetrically arranged with the center line of the base in the vertical direction as the axis of symmetry. There are two sets of connecting springs, and the two sets of connecting springs are symmetrically arranged with the center line of the placement groove in the vertical direction as the axis of symmetry. There are two sets of sliding plates, and the two sets of sliding plates are symmetrically arranged with the center line of the L-shaped support plate in the vertical direction as the axis of symmetry.

[0010] Preferably, the clamping plate has a striking mechanism at its bottom. The striking mechanism includes a support rod, a connecting block, a semi-cylinder, a return spring, a fixing block, a movable rod, a transmission rod, a striking block, a sliding rod, and a connecting groove. The top of the support rod is fixed to the bottom of the clamping plate, and the bottom of the support rod is fixed to the connecting block. A semi-cylinder passes through the connecting block, and the semi-cylinder is slidably connected to the connecting block at the through-hole. The bottom of the semi-cylinder is an arc surface, and a fixing block is fixed to the outer wall of the semi-cylinder. A return spring is fixed to the bottom of the fixing block, and the bottom of the return spring is fixed to the top of the connecting block. Two sets of semi-cylinders are provided, and the two sets of semi-cylinders are symmetrically arranged with the center line of the vertical direction of the L-shaped support plate as the axis of symmetry.

[0011] Preferably, a movable rod is hinged to the top of the semi-cylinder, and the end of the movable rod away from the semi-cylinder is hinged to the end of the transmission rod. A striking block for striking the rubber plate is fixed to the end of the transmission rod away from the support rod. Two sets of striking blocks are provided, and the two sets of striking blocks are symmetrically arranged about the center line of the vertical direction of the L-shaped support plate. The striking blocks are made of rubber. A sliding rod for supporting and guiding the transmission rod is fixed to the bottom of the transmission rod. The bottom of the sliding rod is slidably installed on the inner wall of the connecting groove. The connecting groove is opened on the top of the connecting block. Two sets of connecting blocks are provided, and the two sets of connecting blocks are symmetrically arranged about the center line of the vertical direction of the base.

[0012] Preferably, a long plate is fixed to the inner side of the L-shaped support plate, and a semi-circular block is fixed to the top of the long plate. Multiple sets of semi-circular blocks are provided, and the multiple sets of semi-circular blocks are fixed to the long plate at equal distances. The top of the semi-circular block is set as an arc surface. Two sets of long plates are provided, and the two sets of long plates are symmetrically arranged with the center line in the vertical direction of the L-shaped support plate as the axis of symmetry.

[0013] Preferably, a displacement sensor is fixed to the top of the fixing plate.

[0014] Preferably, the control board is equipped with a display screen, and the control board is electrically connected to the displacement sensor and the cylinder.

[0015] Preferably, the pull ring is provided in two sets, and the two sets of pull rings are symmetrically arranged with the center line in the vertical direction of the base as the axis of symmetry.

[0016] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention.

[0017] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 For the present invention Figure 1 Enlarged schematic diagram of structure A;

[0020] Figure 3 This is a schematic diagram of the overall front view of the present invention;

[0021] Figure 4 For the present invention Figure 2 Enlarged schematic diagram of structure B;

[0022] Figure 5For the present invention Figure 4 A magnified schematic diagram of the C-structure;

[0023] Figure 6 For the present invention Figure 4 A magnified schematic diagram of the D structure. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0025] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0027] like Figures 1 to 6As shown, in this embodiment, an automatic bearing ring radial stiffness tester includes a base 1, an L-shaped support plate 2 fixed to the top of the base 1, a cylinder 4 fixed to the top of the L-shaped support plate 2, a piston rod 5 connected to a piston inside the cylinder 4, a fixing plate 6 fixed to the bottom of the piston rod 5, a pressure rod 7 fixed to the bottom of the fixing plate 6, and a displacement sensor 8 at the top of the fixing plate 6. By activating the cylinder 4, the piston rod 5 drives the fixing plate 6 to move downward. Through the cooperation of the pressure rod 7 and the displacement sensor 8, the pressure rod 7 presses against the outer wall of the bearing 10 under test, thereby testing the stiffness of the bearing 10 under test. A control plate 3 is fixed to the inner side of the L-shaped support plate 2. The control plate 3 is electrically connected to the cylinder 4 and the displacement sensor 8. A screen is provided on the control plate 3, through which data can be displayed. A placement groove 9 is opened on the top of the base 1, and the bearing 10 under test is placed on the inner wall of the placement groove 9. A sliding groove 11 is opened on the top of the base 1, and a clamping mechanism 12 is provided on the sliding groove 11.

[0028] In this embodiment, a connecting spring 123 is fixed to the side wall of the clamping plate 124. The side of the connecting spring 123 away from the clamping plate 124 is fixed to the side wall of the connecting plate 129. Two sets of clamping plates 124 are provided, and the two sets of clamping plates 124 are symmetrically arranged about the center line in the vertical direction of the base 1. A groove 125 is provided on the clamping plate 124. A compression spring 128 is fixed to the inner wall of the groove 125. A connecting post 126 is fixed to the side wall of the compression spring 128. The connecting post 126 is slidably installed on the inner wall of the groove 125. A rubber plate 127 is fixed to the side of the connecting post 126 away from the compression spring 128. Two sets of rubber plates 127 are provided, and the two sets of rubber plates 127 are mirror images of the base 1. The side wall of the clamping plate 124 is set as an inclined surface.

[0029] In this embodiment, the outer wall of the connecting rod 122 is provided with multiple sets of equidistant limiting grooves 17, the inner wall of the limiting groove 17 is provided with an inclined surface, the connecting plate 129 is provided with a fixing groove 16, the inner wall of the fixing groove 16 is slidably installed with a limiting rod 18, the bottom of the limiting rod 18 is provided with an inclined surface, the top of the limiting rod 18 is fixed with a pull rod 19, the top of the pull rod 19 is fixed with a pull ring 20, there are two sets of limiting rods 18, and the two sets of limiting rods 18 are symmetrically arranged with the center line of the vertical direction of the base 1 as the axis of symmetry, the bottom of the limiting rod 18 is provided with an inclined surface, the top of the limiting rod 18 is fixed with a transmission spring 21, the top of the transmission spring 21 is fixed to the inner wall of the fixing groove 16, there are two sets of transmission springs 21, and the two sets of transmission springs 21 are symmetrically arranged with the center line of the vertical direction of the L-shaped support plate 2 as the axis of symmetry.

[0030] In this embodiment, two sets of connecting plates 129 are provided, and the two sets of connecting plates 129 are symmetrically arranged with the center line in the vertical direction of the base 1 as the axis of symmetry. Two sets of connecting springs 123 are provided, and the two sets of connecting springs 123 are symmetrically arranged with the center line in the vertical direction of the placement groove 9 as the axis of symmetry. Two sets of sliding plates 121 are provided, and the two sets of sliding plates 121 are symmetrically arranged with the center line in the vertical direction of the L-shaped support plate 2 as the axis of symmetry.

[0031] In this embodiment, a striking mechanism 13 is provided at the bottom of the clamping plate 124. The striking mechanism 13 includes a support rod 1301, a connecting block 1302, a semi-cylinder 1303, a return spring 1304, a fixing block 1305, a movable rod 1306, a transmission rod 1307, a striking block 1308, a sliding rod 1310, and a connecting groove 1309. The top of the support rod 1301 is fixed to the bottom of the clamping plate 124, and the bottom of the support rod 1301 is fixed with the connecting block 1302. A semi-cylinder 1303 is inserted through the connecting block 1302. The semi-cylinder 1303 is slidably connected to the connecting block 1302 at the through point. The bottom of the semi-cylinder 1303 is set as an arc surface. A fixing block 1305 is fixed to the outer wall of the semi-cylinder 1303. A return spring 1304 is fixed to the bottom of the fixing block 1305. The bottom of the return spring 1304 is fixed to the top of the connecting block 1302. There are two sets of semi-cylinders 1303, and the two sets of semi-cylinders 1303 are symmetrically arranged with the center line in the vertical direction of the L-shaped support plate 2 as the axis of symmetry.

[0032] In this embodiment, a movable rod 1306 is hinged to the top of the semi-cylinder 1303. The end of the movable rod 1306 away from the semi-cylinder 1303 is hinged to the end of the transmission rod 1307. A striking block 1308 for striking the rubber plate 127 is fixed to the end of the transmission rod 1307 away from the support rod 1301. Two sets of striking blocks 1308 are provided, and the two sets of striking blocks 1308 are arranged vertically in the L-shaped support plate 2. The center line is symmetrically arranged with the axis of symmetry. The striking block 1308 is made of rubber. The bottom of the transmission rod 1307 is fixed with a slide rod 1310 for supporting and guiding the transmission rod 1307. The bottom of the slide rod 1310 is slidably installed on the inner wall of the connecting groove 1309. The connecting groove 1309 is opened on the top of the connecting block 1302. There are two sets of connecting blocks 1302, and the two sets of connecting blocks 1302 are symmetrically arranged with the center line in the vertical direction of the base 1 as the axis of symmetry.

[0033] In this embodiment, a long plate 14 is fixed to the inner side of the L-shaped support plate 2, and a semi-circular block 15 is fixed to the top of the long plate 14. Multiple sets of semi-circular blocks 15 are provided, and the multiple sets of semi-circular blocks 15 are fixed to the long plate 14 at equal distances. The top of the semi-circular block 15 is set as an arc surface. Two sets of long plates 14 are provided, and the two sets of long plates 14 are symmetrically arranged with the center line in the vertical direction of the L-shaped support plate 2 as the axis of symmetry.

[0034] In this embodiment, a displacement sensor 8 is fixed to the top of the fixing plate 6.

[0035] In this embodiment, the control board 3 is equipped with a display screen, the control board 3 is electrically connected to the displacement sensor 8, and the control board 3 is electrically connected to the cylinder 4.

[0036] In this embodiment, two sets of pull rings 20 are provided, and the two sets of pull rings 20 are symmetrically arranged with the center line in the vertical direction of the base 1 as the axis of symmetry.

[0037] The working principle and beneficial effects of the above technical solution are as follows:

[0038] In this embodiment, when the bearing 10 to be tested needs to be clamped, the two sets of sliding plates 121 can be pushed closer to each other, thereby driving the connecting rod 122 to move towards the placement groove 9. When the two sets of clamping plates 124 are close to each other, the clamping plates 124 can cause the connecting spring 123 to be stretched. As the connecting rod 122 moves towards the placement groove 9, the inclined surface of the limiting groove 17 will press against the inclined surface of the limiting rod 18, thereby causing the limiting rod 18 to move upward in the fixing groove 16, compressing the transmission spring 21. After the two sets of rubber plates 127 are clamped to the bearing 10 to be tested, the limiting rod 18 will extend into the corresponding limiting groove 17, thereby fixing the connecting rod 122. In the extended state, the plane of the limiting groove 17 can be made to fit with the plane of the limiting rod 18, thereby fixing the clamping plate 124. By setting multiple sets of limiting grooves 17, different sizes of bearings 10 under test can be clamped. When it is necessary to release the limiting of the bearing 10 under test, the pull ring 20 can be pulled, causing the pull rod 19 to move the limiting rod 18 out of the limiting groove 17, thereby releasing the limiting of the connecting rod 122. Because the connecting spring 123 is in a stretched state, the connecting spring 123 can cause the two sets of clamping plates 124 to move away from each other, thereby releasing the limiting of the bearing 10 under test. When the limiting of the clamping plate 124 is released, the connecting spring 123 moves the clamping plate 124 away from each other. When 124 approaches the connecting plate 129, it causes the semi-cylinder 1303 to move on the semi-circular block 15. When the semi-cylinder 1303 contacts the inclined surface of the semi-circular block 15, the squeezing force causes the semi-cylinder 1303 to move upward. When the semi-cylinder 1303 moves upward, it stretches the return spring 1304. When the semi-cylinder 1303 moves between the semi-circular blocks 15, the return spring 1304 is in a stretched state, causing the semi-cylinder 1303 to move downward. When the semi-cylinder 1303 moves on the semi-circular block 15, it can move up and down. When the semi-cylinder 1303 moves upward, it can cause the movable rod 130 to move upward. 6. Rotating at the hinge point causes the movable rod 1306 to pull the transmission rod 1307 closer to the support rod 1301. When the semi-cylinder 1303 moves downward, the movable rod 1306 causes the transmission rod 1307 to return to its original position. A striking block 1308 is fixed to one end of the transmission rod 1307 away from the support rod 1301. When the transmission rod 1307 drives the striking block 1308 to move back and forth, the striking block 1308 can strike the rubber plate 127 back and forth, thereby knocking off the impurities and debris attached to the rubber plate 127 and preventing metal debris from adhering to the rubber plate 127. When the rubber plate 127 clamps the bearing 10 under test again, it may easily cause damage to the bearing 10 under test.

[0039] The above are merely preferred embodiments of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concept, should be covered within the scope of protection of the present invention.

Claims

1. An automatic bearing ring radial stiffness tester, comprising a base (1), characterized in that, An L-shaped support plate (2) is fixed to the top of the base (1), and a cylinder (4) is fixed to the top of the L-shaped support plate (2). A piston rod (5) is connected to the piston in the cylinder (4). A fixing plate (6) is fixed to the bottom of the piston rod (5), and a pressure rod (7) is fixed to the bottom of the fixing plate (6). A control plate (3) is fixed to the inner side of the L-shaped support plate (2). A placement groove (9) is opened on the top of the base (1), and the bearing to be tested (10) is attached to the inner wall of the placement groove (9). A sliding groove (11) is opened on the top of the base (1), and a clamping machine is installed in the sliding groove (11). The clamping mechanism (12) includes a sliding plate (121), a connecting rod (122), and a connecting plate (129). The sliding plate (121) is slidably installed on the inner wall of the slide groove (11). One end of the connecting rod (122) is fixed to the side wall of the sliding plate (121), and the other end of the connecting rod (122) is fixed with a clamping plate (124). The connecting plate (129) is fixed to the top of the base (1). The connecting rod (122) passes through the connecting plate (129), and the connecting rod (122) and the connecting plate (129) are slidably connected at the point where they pass through. The bottom of the clamping plate (124) is provided with a striking mechanism (13), which includes a support rod (1301), a connecting block (1302), a semi-cylinder (1303), a return spring (1304), a fixing block (1305), a movable rod (1306), a transmission rod (1307), a striking block (1308), a sliding rod (1310), and a connecting groove (1309). The top of the support rod (1301) is fixed to the bottom of the clamping plate (124), and the bottom of the support rod (1301) is fixed with a connecting block (1302). A semi-cylinder (1303) is inserted through the connecting block (1302), and the semi-cylinder (1303) is slidably connected to the connecting block (1302) at the through point. The bottom of the semi-cylinder (1303) is set as an arc surface. A fixing block (1305) is fixed to the outer wall of the semi-cylinder (1303). A return spring (1304) is fixed to the bottom of the fixing block (1305). The bottom of the return spring (1304) is fixed to the top of the connecting block (1302). There are two sets of semi-cylinders (1303), and the two sets of semi-cylinders (1303) are symmetrically arranged with the center line in the vertical direction of the L-shaped support plate (2) as the axis of symmetry. A movable rod (1306) is hinged to the top of the semi-cylinder (1303). The end of the movable rod (1306) away from the semi-cylinder (1303) is hinged to the end of the transmission rod (1307). A striking block (1308) for striking the rubber plate (127) is fixed to the end of the transmission rod (1307) away from the support rod (1301). Two sets of striking blocks (1308) are provided, and the two sets of striking blocks (1308) are arranged with the center line of the L-shaped support plate (2) in the vertical direction. The striking block (1308) is made of rubber and is symmetrically arranged along the axis of symmetry. The bottom of the transmission rod (1307) is fixed with a slide rod (1310) for supporting and guiding the transmission rod (1307). The bottom of the slide rod (1310) is slidably installed on the inner wall of the connecting groove (1309). The connecting groove (1309) is opened on the top of the connecting block (1302). There are two sets of connecting blocks (1302), and the two sets of connecting blocks (1302) are symmetrically arranged with the center line of the vertical direction of the base (1) as the axis of symmetry.

2. The automatic bearing ring radial stiffness tester according to claim 1, characterized in that: A connecting spring (123) is fixed to the side wall of the clamping plate (124). The side of the connecting spring (123) away from the clamping plate (124) is fixed to the side wall of the connecting plate (129). There are two sets of clamping plates (124), and the two sets of clamping plates (124) are symmetrically arranged with the center line of the vertical direction of the base (1) as the axis of symmetry. A groove (125) is opened on the clamping plate (124). A compression spring (128) is fixed to the inner wall of the groove (125). A connecting column (126) is fixed to the side wall of the compression spring (128). The connecting column (126) is slidably installed on the inner wall of the groove (125). A rubber plate (127) is fixed to the side of the connecting column (126) away from the compression spring (128). There are two sets of rubber plates (127), and the two sets of rubber plates (127) are mirror images of the base (1). The side wall of the clamping plate (124) is set as an inclined surface.

3. The automatic bearing ring radial stiffness tester according to claim 1, characterized in that: The outer wall of the connecting rod (122) has multiple sets of equidistant limiting grooves (17), the inner wall of the limiting grooves (17) is provided with an inclined surface, the connecting plate (129) is provided with a fixing groove (16), the inner wall of the fixing groove (16) is slidably installed with a limiting rod (18), the bottom of the limiting rod (18) is provided with an inclined surface, the top of the limiting rod (18) is fixed with a pull rod (19), the top of the pull rod (19) is fixed with a pull ring (20), the limiting rod (18) Two sets of limiting rods (18) are provided, and the two sets of limiting rods (18) are symmetrically arranged with the center line of the vertical direction of the base (1) as the axis of symmetry. The bottom of the limiting rod (18) is set as an inclined surface, and the top of the limiting rod (18) is fixed with a transmission spring (21). The top of the transmission spring (21) is fixed to the inner wall of the fixing groove (16). There are two sets of transmission springs (21), and the two sets of transmission springs (21) are symmetrically arranged with the center line of the vertical direction of the L-shaped support plate (2) as the axis of symmetry.

4. The automatic bearing ring radial stiffness tester according to claim 1, characterized in that: Two sets of connecting plates (129) are provided, and the two sets of connecting plates (129) are symmetrically arranged with the center line of the vertical direction of the base (1) as the axis of symmetry. Two sets of connecting springs (123) are provided, and the two sets of connecting springs (123) are symmetrically arranged with the center line of the vertical direction of the placement groove (9) as the axis of symmetry. Two sets of sliding plates (121) are provided, and the two sets of sliding plates (121) are symmetrically arranged with the center line of the vertical direction of the L-shaped support plate (2) as the axis of symmetry.

5. An automatic bearing ring radial stiffness tester according to claim 1, characterized in that: The inner side of the L-shaped support plate (2) is fixed with a long plate (14), and the top of the long plate (14) is fixed with a semi-circular block (15). There are multiple sets of semi-circular blocks (15), and the multiple sets of semi-circular blocks (15) are fixed at equal distances on the long plate (14). The top of the semi-circular block (15) is set as an arc surface. There are two sets of long plates (14), and the two sets of long plates (14) are symmetrically arranged with the center line in the vertical direction of the L-shaped support plate (2) as the axis of symmetry.

6. An automatic bearing ring radial stiffness tester according to claim 1, characterized in that: A displacement sensor (8) is fixed to the top of the fixing plate (6).

7. An automatic bearing ring radial stiffness tester according to claim 1, characterized in that: The control board (3) is equipped with a display screen. The control board (3) is electrically connected to the displacement sensor (8) and the control board (3) is electrically connected to the cylinder (4).

8. An automatic bearing ring radial stiffness tester according to claim 3, characterized in that: The pull ring (20) is provided in two sets, and the two sets of pull rings (20) are symmetrically arranged with the center line of the vertical direction of the base (1) as the axis of symmetry.

Images