CN222812575U - A rolling bearing wear resistance testing device - Google Patents
A rolling bearing wear resistance testing device Download PDFInfo
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- CN222812575U CN222812575U CN202421826819.9U CN202421826819U CN222812575U CN 222812575 U CN222812575 U CN 222812575U CN 202421826819 U CN202421826819 U CN 202421826819U CN 222812575 U CN222812575 U CN 222812575U
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Abstract
本实用新型公开了一种滚动轴承耐磨性测试装置，涉及轴承测试技术领域。本实用新型包括底座，所述底座内壁底面固定安装有支撑柱，所述支撑柱贯穿底座顶面设置，所述支撑柱顶面固定安装有内圈托板，所述内圈托板顶面放置有滚动轴承本体。本实用新型通过调距组件的作用，使得滚动轴承本体的内圈和外圈在分别被内撑块和外夹板施加的横向力挤压固定的同时，内圈被外圈下压组件和内圈托板配合纵向挤压固定，外圈被外圈托板和外圈下压组件配合纵向挤压固定，使得滚动轴承本体的内圈和外圈被进一步挤压固定，固定更加可靠牢固，避免在多次转动后滚动轴承本体的滚珠摩擦力增大导致外圈相对外夹板发生滑动而影响测试结果准确性。
The utility model discloses a rolling bearing wear resistance test device, which relates to the technical field of bearing testing. The utility model comprises a base, wherein a support column is fixedly installed on the bottom surface of the inner wall of the base, the support column is arranged through the top surface of the base, an inner ring support plate is fixedly installed on the top surface of the support column, and a rolling bearing body is placed on the top surface of the inner ring support plate. The utility model uses the function of the distance adjustment component to make the inner ring and the outer ring of the rolling bearing body squeezed and fixed by the lateral force applied by the inner support block and the outer clamping plate respectively, while the inner ring is longitudinally squeezed and fixed by the outer ring pressing component and the inner ring support plate, and the outer ring is longitudinally squeezed and fixed by the outer ring support plate and the outer ring pressing component, so that the inner ring and the outer ring of the rolling bearing body are further squeezed and fixed, and the fixation is more reliable and firm, so as to avoid the increase of the ball friction of the rolling bearing body after multiple rotations, which causes the outer ring to slide relative to the outer clamping plate and affects the accuracy of the test result.
Description
Technical Field
The utility model relates to the technical field of bearing testing, in particular to a rolling bearing wear resistance testing device.
Background
The service life of the rolling bearing is used as an important mechanical part, the normal operation of the machine is directly influenced, the service life of the rolling bearing is correctly estimated, the rolling bearing has important significance for the maintenance of mechanical equipment, the service life of the rolling bearing is determined by the wear resistance of the rolling bearing, and in laboratory tests, a special testing device is required to test the wear resistance of the rolling bearing.
The invention discloses a bearing wear-resistant testing device, which is characterized in that a Chinese patent with an authorized bulletin number of CN107389348A discloses a bearing wear-resistant testing device, the distance between two clamping blocks is changed by driving a third rotating motor through the matching of a gear and a rack, the distance between two supporting blocks is changed by driving a first rotating motor through the matching of a threaded rod and a sliding block, the effect of automatically fixing a bearing is achieved through the matching between the supporting blocks and the clamping blocks, the height of the clamping blocks is adjusted through a push rod motor, the bearing is conveniently placed and taken down, and the bearing is tested by driving a fixing frame to rotate through a second rotating motor.
The prior art scheme has the following defects that friction force exists among the bearing outer ring, the inner ring and the balls, the surfaces of the balls are coarser and coarser along with the increase of the revolution in the test process, so that the friction force born by the bearing outer ring and the inner ring is gradually increased, the inner ring is fixed only through two supporting blocks, the outer ring is fixed only through two clamping blocks, the generated static friction force can not overcome the gradually increased rolling friction force, and finally the inner ring or the outer ring of the bearing slides, so that the accuracy of a detection result is influenced.
For this purpose, a device for testing the wear resistance of a rolling bearing is proposed.
Disclosure of utility model
The utility model aims to solve the problems in the background art, and provides a rolling bearing wear resistance testing device.
The utility model adopts the following technical scheme for realizing the purposes:
The utility model provides a antifriction bearing wearability testing arrangement, includes the base, base inner wall bottom surface fixed mounting has the support column, the support column runs through the base top surface setting, support column top surface fixed mounting has the inner circle layer board, antifriction bearing body has been placed to inner circle layer board top surface, base top surface fixed mounting has the portal frame, portal frame horizontal part bottom surface fixed mounting has electric telescopic handle, electric telescopic handle flexible end bottom surface fixed mounting has the inner circle holding down plate, support column lateral surface rotates installs the rotor plate, rotor plate top surface and inner circle holding down plate bottom surface all are equipped with the roll adjustment subassembly, and the upside the moving part fixed surface of roll adjustment subassembly installs interior supporting shoe, the downside the moving part fixed surface of roll adjustment subassembly installs the external splint, external splint bottom surface fixed mounting has outer lane layer board and surface to be equipped with outer lane hold down the subassembly, the inside rotation drive assembly that is used for driving the rotor plate pivoted that is equipped with of base.
Further, the roll adjustment subassembly includes spout and control motor, the quantity of the spout that the roll adjustment subassembly contained is two, two spout symmetry sets up, two control motor is fixed mounting respectively in inner circle holding down plate and rotation inboard, control motor output fixedly connected with double-end threaded rod, double-end threaded rod runs through two spout inner wall surface rotation setting, spout inner wall surface slidable mounting has the slider, slider symmetry screw thread mounting is in double-end threaded rod surface, interior supporting shoe fixed mounting is in upper side slider bottom surface, external splint fixed mounting is in lower side slider surface.
Further, the sliding block at the lower side is of an L-shaped structure, and the double-head threaded rod at the lower side is arranged offset from the axis of the rotating plate.
Further, the outer ring pushing assembly comprises a longitudinal groove, the longitudinal groove is formed in the opposite surfaces of the two outer clamping plates, a longitudinal threaded rod is rotatably arranged on the bottom surface of the inner wall of the longitudinal groove, the longitudinal threaded rod penetrates through the top surface of the outer clamping plates to be rotatably arranged, a knob is fixedly arranged on the top surface of the longitudinal threaded rod, an outer ring pressing plate is slidably arranged on the surface of the inner wall of the longitudinal groove, and the outer ring pressing plate is threadedly arranged on the surface of the longitudinal threaded rod.
Further, the rotation drive assembly comprises a drive motor, the drive motor is fixedly arranged on the bottom surface of the inner wall of the base, the output end of the drive motor is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with the top wall of the base, a driving gear is fixedly arranged on the surface of the rotating shaft, a driven toothed ring is meshed with the surface of the driving gear, and the driven toothed ring is fixedly sleeved on the outer side surface of the rotating plate.
Further, the diameters of the inner ring supporting plate and the inner ring lower pressing plate are the same as the outer diameter of the inner ring of the rolling bearing body.
The beneficial effects of the utility model are as follows:
Through the effect of roll adjustment subassembly for antifriction bearing body's inner circle and outer lane are being exerted by interior supporting shoe and external splint respectively and are extrudeing fixedly, and the inner circle is pushed down subassembly and inner circle layer board cooperation longitudinal extrusion by the outer lane and is fixed, and the outer lane is pushed down subassembly cooperation longitudinal extrusion by outer lane layer board and outer lane and is fixed, and make antifriction bearing body's inner circle and outer lane by further extrusion fixed, fixed more reliable firm, avoid the increase of antifriction bearing body's ball frictional force to lead to the outer lane to take place to slide and influence test result accuracy relative external splint after many times rotation.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a front cross-sectional view of a three-dimensional structure of the present utility model;
FIG. 3 is a top view of a perspective structure of the present utility model;
FIG. 4 is an enlarged view of the structure of portion A of FIG. 2 in accordance with the present utility model;
The device comprises the following components of 1, a base, 2, a support column, 3, an inner ring supporting plate, 4, a portal frame, 5, an electric telescopic rod, 6, an inner ring lower pressing plate, 7, a rotating plate, 8, a distance adjusting component, 801, a sliding groove, 802, a control motor, 803, a double-head threaded rod, 804, a sliding block, 9, an inner supporting block, 10, an outer clamping plate, 11, an outer ring supporting plate, 12, an outer ring pressing component, 121, a longitudinal groove, 122, a longitudinal threaded rod, 123, a knob, 124, an outer ring lower pressing plate, 13, a rotating driving component, 131, a driving motor, 132, a rotating shaft, 133, a driving gear, 134, a driven toothed ring, 14 and a rolling bearing body.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
As shown in fig. 1 to 4, a rolling bearing wear resistance testing device comprises a base 1, a support column 2 is fixedly installed on the bottom surface of the inner wall of the base 1, the support column 2 penetrates through the top surface of the base 1, an inner ring supporting plate 3 is fixedly installed on the top surface of the support column 2, a rolling bearing body 14 is placed on the top surface of the inner ring supporting plate 3, a portal frame 4 is fixedly installed on the top surface of the base 1, an electric telescopic rod 5 is fixedly installed on the bottom surface of the transverse portion of the portal frame 4, an inner ring lower pressing plate 6 is fixedly installed on the bottom surface of the telescopic end of the electric telescopic rod 5, a rotating plate 7 is rotatably installed on the outer side surface of the support column 2, distance adjusting components 8 are respectively arranged on the top surface of the rotating plate 7 and the bottom surface of the inner ring lower pressing plate 6, an outer clamping plate 10 is fixedly installed on the surface of a moving part of the upper distance adjusting component 8, an outer ring supporting plate 11 is fixedly installed on the bottom surface of the outer clamping plate 10, an outer ring pressing component 12 is arranged on the surface of the inner ring, and a rotating driving component 13 for driving the rotating plate 7 is arranged inside the base 1.
More specifically, place antifriction bearing body 14 at inner circle layer board 3 top surface, antifriction bearing body 14's inner circle is supported by inner circle layer board 3 and the outer lane is unsettled, electric telescopic handle 5 flexible end drives inner circle holding down plate 6 and roll adjustment subassembly 8 and moves down, make inner circle holding down plate 6 extrusion inner circle top surface, adjust the interval of two interior supporting pieces 9 through the roll adjustment subassembly 8 of upside, make two interior supporting pieces 9 open the inner circle that supports antifriction bearing body 14, simultaneously adjust the interval of two outer splint 10 through the roll adjustment subassembly 8 of downside, make two outer splint 10 carry out the centre gripping fixed to the outer lane of antifriction bearing body 14 from both sides, outer splint 10 bottom surface of outer splint 11 bearing outer lane, utilize outer lane push down subassembly 12 to extrude outer lane top surface, drive rolling plate 7 through rotating, and then drive the outer lane rotation of antifriction bearing body 14, carry out the wearability test, make the inner circle by outer lane push down subassembly 12 and 3 cooperation longitudinal extrusion fixed by the lateral force extrusion of inner race supporting pieces 9 and outer splint 10 respectively, make the outer lane and the outer lane is pushed down by outer lane pressing subassembly 12 and outer lane 12 and the outer lane is fixed by the outer splint 10, the opposite direction is pressed down the fixed bearing body is pressed down by the outer lane 12 and is more firmly the fixed at the fixed bearing body of the opposite side, the opposite direction, the result is avoided rolling bearing body is more fixed to the rolling bearing body is more pressed by the extrusion, the outer lane is more firm to the opposite rolling bearing body is more pressed and the outer lane is more than the outer lane is pressed.
The distance adjusting assembly 8 comprises two sliding grooves 801 and control motors 802, the distance adjusting assembly 8 comprises two sliding grooves 801, the two sliding grooves 801 are symmetrically arranged, the two control motors 802 are fixedly mounted inside an inner ring lower pressing plate 6 and a rotating plate 7 respectively, the output end of each control motor 802 is fixedly connected with a double-head threaded rod 803, the double-head threaded rods 803 penetrate through the inner wall surfaces of the two sliding grooves 801 to rotate, sliding blocks 804 are slidably mounted on the inner wall surfaces of the sliding grooves 801, the sliding blocks 804 are symmetrically mounted on the surfaces of the double-head threaded rods 803 in a threaded manner, the inner supporting blocks 9 are fixedly mounted on the bottom surfaces of the upper sliding blocks 804, and the outer clamping plates 10 are fixedly mounted on the surfaces of the lower sliding blocks 804.
Specifically, the output end of the control motor 802 drives the double-ended threaded rod 803 to rotate, so that the symmetric threads are installed on the surface of the double-ended threaded rod 803 and the sliding blocks 804 slidably installed on the inner wall surface of the sliding groove 801 synchronously move in opposite directions or in opposite directions, and further the inner supporting blocks 9 or the outer clamping plates 10 are driven to synchronously move, so that the two symmetrically arranged inner supporting blocks 9 move in opposite directions, the inner side of the inner ring of the rolling bearing body 14 is supported, the two symmetrically arranged outer clamping plates 10 move in opposite directions, and the outer side of the outer ring of the rolling bearing body 14 is clamped and fixed.
The lower slide block 804 has an L-shaped structure, and the lower double-headed screw rod 803 is arranged offset from the axial center of the rotation plate 7.
Specifically, by arranging the lower double-headed screw 803 offset from the axis of the rotating plate 7, collision between the lower double-headed screw 803 and the support column 2 is avoided, and the outer clamping plate 10 fixedly mounted on the surface of the slider 804 can be ensured to move radially along the rotating plate 7 by the L-shaped structure of the slider 804 on the lower side.
The outer ring pressing assembly 12 comprises a longitudinal groove 121, the longitudinal groove 121 is formed in the opposite surfaces of the two outer clamping plates 10, a longitudinal threaded rod 122 is rotatably mounted on the bottom surface of the inner wall of the longitudinal groove 121, the longitudinal threaded rod 122 penetrates through the top surface of the outer clamping plates 10 to be rotatably arranged, a knob 123 is fixedly mounted on the top surface of the longitudinal threaded rod 122, an outer ring pressing plate 124 is slidably mounted on the inner wall surface of the longitudinal groove 121, and the outer ring pressing plate 124 is mounted on the surface of the longitudinal threaded rod 122 in a threaded manner.
Specifically, the rotation knob 123 drives the longitudinal threaded rod 122 to rotate, so that the outer ring lower pressing plate 124 which is mounted on the surface of the longitudinal threaded rod 122 in a threaded manner and is mounted on the inner wall surface of the longitudinal groove 121 in a sliding manner is lifted, and then the outer ring lower pressing plate 124 presses the top surface of the outer ring of the rolling bearing body 14, so that the outer ring of the rolling bearing body 14 is further fixed.
The rotation driving assembly 13 comprises a driving motor 131, the driving motor 131 is fixedly mounted on the bottom surface of the inner wall of the base 1, the output end of the driving motor 131 is fixedly connected with a rotating shaft 132, the rotating shaft 132 is rotationally connected with the top wall of the base 1, a driving gear 133 is fixedly mounted on the surface of the rotating shaft 132, a driven toothed ring 134 is meshed with the surface of the driving gear 133, and the driven toothed ring 134 is fixedly sleeved on the outer side surface of the rotating plate 7.
Specifically, the output end of the driving motor 131 drives the rotating shaft 132 and the driving gear 133 to rotate, so that the driven gear ring 134 meshed with the surface of the driving gear 133 rotates, and finally drives the rotating plate 7 fixedly connected with the driven gear ring 134 to rotate, so as to drive the outer ring of the rolling bearing body 14 which is extruded and fixed by the outer clamping plate 10 to rotate relative to the rotating plate 7, thereby performing the wear resistance test.
The diameters of the inner ring supporting plate 3 and the inner ring lower pressing plate 6 are the same as the outer diameter of the inner ring of the rolling bearing body 14.
Specifically, the inner ring supporting plate 3 and the inner ring lower pressing plate 6 are used for pressing and fixing the upper side and the lower side of the inner ring of the rolling bearing body 14, and meanwhile, contact with other parts of the rolling bearing body 14 is avoided, so that reliable fixing of the inner ring is ensured, and meanwhile, normal actions of other parts in the testing process are ensured.
In sum, through the action of the distance adjusting assembly 8, the inner ring and the outer ring of the rolling bearing body 14 are extruded and fixed by the transverse force exerted by the inner supporting block 9 and the outer clamping plate 10 respectively, the inner ring is extruded and fixed by the outer ring pressing assembly 12 and the inner ring supporting plate 3 in a matched mode, the outer ring is extruded and fixed by the outer ring supporting plate 11 and the outer ring pressing assembly 12 in a matched mode, the inner ring and the outer ring of the rolling bearing body 14 are extruded and fixed further, the fixing is more reliable and firm, and the problem that the outer ring slides relative to the outer clamping plate 10 due to the increase of the ball friction force of the rolling bearing body 14 after multiple rotations is avoided, so that the accuracy of a test result is affected.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a antifriction bearing wearability testing arrangement, its characterized in that, including base (1), base (1) inner wall bottom surface fixed mounting has support column (2), support column (2) run through base (1) top surface setting, support column (2) top surface fixed mounting has inner circle layer board (3), antifriction bearing body (14) have been placed to inner circle layer board (3) top surface, base (1) top surface fixed mounting has portal frame (4), portal frame (4) horizontal portion bottom surface fixed mounting has electric telescopic handle (5), electric telescopic handle (5) flexible end bottom surface fixed mounting has inner circle holding down plate (6), support column (2) lateral surface rotates and installs rotating plate (7), rotating plate (7) top surface and inner circle holding down plate (6) bottom surface all are equipped with roll adjustment subassembly (8), upside moving part surface fixed mounting of roll adjustment subassembly (8) has inner supporting block (9), the downside moving part surface fixed mounting of roll adjustment subassembly (8) has outer (10), outer splint (10) bottom surface fixed mounting has inner circle holding down plate (11) and outer lane holding down plate (12), rotating plate (1) are equipped with outer lane holding down assembly (13) and are used for driving rotating plate (13).
2. The rolling bearing wear resistance testing device according to claim 1, wherein the distance adjusting assembly (8) comprises two sliding grooves (801) and two control motors (802), the distance adjusting assembly (8) comprises the two sliding grooves (801), the two sliding grooves (801) are symmetrically arranged, the two control motors (802) are fixedly mounted inside an inner ring lower pressing plate (6) and a rotating plate (7) respectively, the output ends of the control motors (802) are fixedly connected with double-headed threaded rods (803), the double-headed threaded rods (803) penetrate through the inner wall surfaces of the two sliding grooves (801) to be rotatably arranged, sliding blocks (804) are slidably mounted on the inner wall surfaces of the sliding grooves (801), the sliding blocks (804) are symmetrically mounted on the surfaces of the double-headed threaded rods (803), the inner supporting blocks (9) are fixedly mounted on the bottom surfaces of the upper sliding blocks (804), and the outer clamping plates (10) are fixedly mounted on the surfaces of the lower sliding blocks (804).
3. A rolling bearing wear resistance testing device according to claim 2, characterized in that the slider (804) is of L-shaped structure, and the double-ended threaded rod (803) is arranged at the lower side offset from the axis of the rotating plate (7).
4. The rolling bearing wear resistance testing device according to claim 1, wherein the outer ring pressing assembly (12) comprises a longitudinal groove (121), the longitudinal groove (121) is formed in the opposite surfaces of the two outer clamping plates (10), a longitudinal threaded rod (122) is rotatably mounted on the bottom surface of the inner wall of the longitudinal groove (121), the longitudinal threaded rod (122) penetrates through the top surface of the outer clamping plates (10) to be rotatably arranged, a knob (123) is fixedly mounted on the top surface of the longitudinal threaded rod (122), an outer ring pressing plate (124) is slidably mounted on the inner wall surface of the longitudinal groove (121), and the outer ring pressing plate (124) is mounted on the surface of the longitudinal threaded rod (122) in a threaded manner.
5. The rolling bearing wear resistance testing device according to claim 1, wherein the rotary driving assembly (13) comprises a driving motor (131), the driving motor (131) is fixedly installed on the bottom surface of the inner wall of the base (1), the output end of the driving motor (131) is fixedly connected with a rotating shaft (132), the rotating shaft (132) is rotationally connected with the top wall of the base (1), a driving gear (133) is fixedly installed on the surface of the rotating shaft (132), a driven toothed ring (134) is meshed with the surface of the driving gear (133), and the driven toothed ring (134) is fixedly sleeved on the outer side surface of the rotating plate (7).
6. A rolling bearing wear resistance testing device according to claim 1, characterized in that the diameters of the inner ring support plate (3) and the inner ring lower pressure plate (6) are the same as the outer diameter of the inner ring of the rolling bearing body (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421826819.9U CN222812575U (en) | 2024-07-31 | 2024-07-31 | A rolling bearing wear resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421826819.9U CN222812575U (en) | 2024-07-31 | 2024-07-31 | A rolling bearing wear resistance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222812575U true CN222812575U (en) | 2025-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421826819.9U Active CN222812575U (en) | 2024-07-31 | 2024-07-31 | A rolling bearing wear resistance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222812575U (en) |
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2024
- 2024-07-31 CN CN202421826819.9U patent/CN222812575U/en active Active
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