Bearing double-sided flexible radial clearance inspection equipment
The system automatically adapts and fixes the inner and outer rings of the bearing by means of a two-way lead screw system driven by a hydraulic cylinder and a motor, which solves the cumbersome problem of fixing bearings of different sizes in existing equipment and realizes efficient and accurate clearance detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-03-20
AI Technical Summary
Existing bearing clearance inspection equipment involves cumbersome procedures when fixing bearing inner rings of different sizes, which affects efficiency and increases workload.
A bearing double-sided flexibility radial clearance inspection device was designed. It utilizes a hydraulic cylinder and a motor-driven bidirectional screw system to automatically adapt and fix the inner and outer rings of the bearing, and measures the clearance using a dial indicator.
It simplifies the bearing clearance inspection process, improves inspection efficiency and accuracy, reduces manual operation steps, and adapts to the fixing requirements of bearings of different sizes.
Smart Images
Figure CN224018978U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing play inspection technical field, specifically is a bearing double -faced flexibility radial play inspection equipment. BACKGROUND
[0002] Bearing double -faced flexibility radial play inspection equipment is a kind of special equipment, for measuring the play of bearing in radial direction, equipment is through the radial force, the displacement between bearing inner and outer ring is measured, to calculate the play value, widely used in bearing manufacturing, quality control, maintenance detection etc. Scene, ensure that bearing performance meets the requirements, when checking equipment operation, generally, the bearing inner ring needing to check play is fixed in advance, and the bearing is checked for play.
[0003] The bearing play inspection usually needs to be placed on the inspection table, and the bearing inner ring is pressed from top to bottom by the external extrusion block to complete the fixation of the bearing inner ring, when the bearing inner ring of different sizes needs to be fixed, the size of the extrusion block needs to be disassembled and adjusted to adapt to the size of the bearing inner ring, which causes the steps of bearing play inspection to be more complicated, and the efficiency of bearing play inspection is affected to some extent, and the work burden of workers is increased, therefore, the bearing double -faced flexibility radial play inspection equipment is provided. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a bearing double -faced flexibility radial play inspection equipment to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A bearing double -faced flexibility radial play inspection equipment, including installation platform, the bottom four corners of installation platform are all provided with support block, the top of installation platform is provided with mounting bracket, the bottom of mounting bracket is fixed with installation platform through bolt, the front end of mounting bracket is provided with movable frame, the bottom end four corners of movable frame are all provided with hydraulic oil cylinder, the bottom end of hydraulic oil cylinder is fixedly connected with installation platform.
[0007] Preferably, the front end of the mounting bracket is provided with a first sliding groove, the inside of the first sliding groove is provided with a bidirectional screw rod, the threads of the two ends of the bidirectional screw rod are opposite, the two ends of the bidirectional screw rod are both movably connected with the mounting bracket, one end of the bidirectional screw rod is fixedly connected with the first motor by penetrating one end of the mounting bracket, and the first motor is fixed on one side of the mounting bracket by bolts.
[0008] Preferably, the outer sides of the two ends of the bidirectional screw rod are respectively provided with a first sliding block and a second sliding block, the outer side of the middle part of the bidirectional screw rod is provided with a limiting spring, and the two ends of the limiting spring are respectively fixedly connected with the first sliding block and the second sliding block.
[0009] Preferably, the outer side of the first sliding block and the second sliding block is respectively fixed with a first fixed block and a second fixed block, and the first fixed block and the second fixed block are provided with a baffle plate close to the outer side of the side of the mounting frame.
[0010] Preferably, the top of the mounting frame is provided with a second sliding groove, the inside of the second sliding groove is provided with a mounting plate, and the front side of the top of the mounting plate is fixed with a micrometer through a connecting rod.
[0011] Preferably, the top of the mounting frame is provided with a second motor through a bolt, the output end of the second motor is fixed with a gear, the side close to the gear of the mounting plate is provided with a gear slot, and the gear is engaged with the gear slot.
[0012] The working principle and beneficial effects of the utility model are as follows:
[0013] The utility model discloses a first motor drives bidirectional screw rod to drive first sliding block and second sliding block to move to both sides through first sliding groove, and first sliding block and second sliding block move to both sides to drive first fixed block and second fixed block to move to the outside and contact the inner ring of bearing to complete the fixing of the inner ring of bearing, and the distance between first fixed block and second fixed block can be controlled to fix bearings of various sizes.
[0014] The utility model discloses opening hydraulic oil cylinder, and hydraulic oil cylinder pushes up movable frame upwards, and movable frame contacts the bottom of bearing outer ring upwards, and pushes up bearing outer ring, can simulate the situation when bearing moves and better check the play of bearing outer ring and inner ring. DRAWINGS
[0015] Figure 1 It is external structure schematic diagram of the utility model;
[0016] Figure 2 It is mounting frame structure schematic diagram of the utility model;
[0017] Figure 3 It is fixed block structure schematic diagram of the utility model.
[0018] In the drawing: 1, installation platform;2, supporting block;3, hydraulic oil cylinder;4, movable frame;5, mounting frame;6, first sliding groove;7, bidirectional screw rod;8, first sliding block;9, second sliding block;10, first fixed block;11, second fixed block;12, baffle plate;13, limit spring;14, first motor;15, second sliding groove;16, mounting plate;17, gear slot;18, second motor;19, gear;20, micrometer. CONCRETE IMPLEMENTATION
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] like Figures 1-3 As shown, a bearing double-sided flexibility radial clearance inspection device includes a mounting platform 1, with support blocks 2 at each of the four bottom corners of the mounting platform 1, and a mounting frame 5 at the top of the mounting platform 1. The bottom ends of the mounting frame 5 are fixed to the mounting platform 1 by bolts. A movable frame 4 is provided at the front end of the mounting frame 5, and hydraulic cylinders 3 are provided at each of the four bottom corners of the movable frame 4. The bottom ends of the hydraulic cylinders 3 are fixedly connected to the mounting platform 1.
[0021] like Figure 1 and Figure 3 As shown, the front end of the mounting bracket 5 is provided with a first sliding groove 6, and a bidirectional lead screw 7 is provided inside the first sliding groove 6. The two ends of the bidirectional lead screw 7 have opposite threads, and both ends of the bidirectional lead screw 7 are movably connected to the mounting bracket 5. One end of the bidirectional lead screw 7 passes through one end of the mounting bracket 5 and is fixedly connected to the first motor 14. The first motor 14 is fixed to one side of the mounting bracket 5 by bolts.
[0022] The two ends of the bidirectional lead screw 7 are respectively fitted with a first slider 8 and a second slider 9, and the middle part of the bidirectional lead screw 7 is fitted with a limiting spring 13. The two ends of the limiting spring 13 are respectively fixedly connected to the first slider 8 and the second slider 9.
[0023] The first slider 8 and the second slider 9 are respectively fixed with a first fixing block 10 and a second fixing block 11 on their outer sides. The first fixing block 10 and the second fixing block 11 are provided with baffles 12 on their outer sides near the mounting bracket 5.
[0024] In this embodiment, the support block 2 provides support for the mounting table 1, and the bearing to be inspected is installed outside the first fixed block 10 and the second fixed block 11, so that one side of the bearing is in contact with the baffle 12. The first motor 14 is turned on, which drives the bidirectional screw 7 to rotate, and the bidirectional screw 7 drives the first sliding block 8 and the second sliding block 9 to move to both sides through the first sliding groove 6. The first sliding block 8 and the second sliding block 9 move to both sides to stretch the limiting spring 13, and at the same time drive the first fixed block 10 and the second fixed block 11 to move outward to contact the inner ring of the bearing, thereby completing the fixation of the inner ring of the bearing. The stretching force of the limiting spring 13 improves the friction between the first sliding block 8, the second sliding block 9 and the bidirectional screw 7, so as to avoid the bearing from falling off due to the movement of the first sliding block 8 and the second sliding block 9. The hydraulic oil cylinder 3 is turned on, which pushes the movable frame 4 upward, and the movable frame 4 contacts the bottom end of the outer ring of the bearing, thereby pushing the outer ring of the bearing upward, and better checking the running clearance between the outer ring and the inner ring of the bearing.
[0025] As shown in Figure 1 and Figure 2 , the top of the mounting frame 5 is provided with a second sliding groove 15, and the inside of the second sliding groove 15 is provided with a mounting plate 16. The front side of the top of the mounting plate 16 is fixed with a micrometer 20 through a connecting rod;
[0026] The top side of the mounting frame 5 is fixed with a second motor 18 through a bolt, and the output end of the second motor 18 is fixed with a gear 19. The side close to the gear 19 of the mounting plate 16 is provided with a gear slot 17, and the gear 19 is engaged with the gear slot 17.
[0027] In this embodiment, the second motor 18 is turned on, which drives the gear 19 to rotate, and the gear 19 drives the gear slot 17 to control the mounting plate 16 to move up and down through the second sliding groove 15. The mounting plate 16 moves up and down through the connecting rod to drive the micrometer 20 to move up and down and adjust the position of the micrometer 20. The bottom end of the micrometer 20 is in contact with the outer ring of the bearing, and the clearances of the bearing when it is normal and when the inner ring and the outer ring are separated are measured respectively, thereby improving the detection accuracy.
[0028] In summary, the working principle is:
[0029] The bearing to be checked is sleeved outside the first fixed block 10 and the second fixed block 11, one side of the bearing is in contact with the baffle 12, the first motor 14 is turned on, the bidirectional screw rod 7 is rotated by the first motor 14, the first sliding block 8 and the second sliding block 9 are guided to move to two sides through the first sliding groove 6, the first sliding block 8 and the second sliding block 9 move to two sides to stretch the limiting spring 13, at the same time, the first fixed block 10 and the second fixed block 11 are moved to the outside to contact the inner ring of the bearing, the fixing of the inner ring of the bearing is completed, the friction force between the first sliding block 8, the second sliding block 9 and the bidirectional screw rod 7 is improved through the stretching force of the limiting spring 13, the bearing is prevented from falling off due to the movement of the first sliding block 8 and the second sliding block 9, the second motor 18 is turned on, the gear 19 is rotated by the second motor 18, the gear groove 17 controls the mounting plate 16 to move up and down through the second sliding groove 15, the mounting plate 16 moves up and down to drive the micrometer 20 to move up and down and adjust the position of the micrometer 20, the bottom end of the micrometer 20 is in contact with the outer ring of the bearing for measurement, at the same time, the hydraulic oil cylinder 3 is turned on, the movable frame 4 is pushed upward by the hydraulic oil cylinder 3, the movable frame 4 is in contact with the bottom end of the outer ring of the bearing, the outer ring of the bearing is pushed upward, the movable state of the bearing during work is simulated, the movable play of the outer ring and the inner ring of the bearing is better checked.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A bearing double-sided flexibility radial clearance inspection device, comprising a mounting platform (1), characterized in that: The mounting platform (1) has support blocks (2) at its four bottom corners. The mounting platform (1) has a mounting frame (5) at its top. The mounting frame (5) is fixed to the mounting platform (1) at both bottom ends by bolts. The mounting frame (5) has a movable frame (4) at its front end. The movable frame (4) has hydraulic cylinders (3) at its four bottom corners. The bottom ends of the hydraulic cylinders (3) are fixedly connected to the mounting platform (1).
2. The bearing double-sided flexibility radial clearance inspection device according to claim 1, characterized in that: The front end of the mounting bracket (5) is provided with a first sliding groove (6), and a bidirectional lead screw (7) is provided inside the first sliding groove (6). The two ends of the bidirectional lead screw (7) have opposite threads. Both ends of the bidirectional lead screw (7) are movably connected to the mounting bracket (5). One end of the bidirectional lead screw (7) passes through one end of the mounting bracket (5) and is fixedly connected to the first motor (14). The first motor (14) is fixed to one side of the mounting bracket (5) by bolts.
3. The bearing double-sided flexibility radial clearance inspection device according to claim 2, characterized in that: The two ends of the bidirectional lead screw (7) are respectively fitted with a first slider (8) and a second slider (9), and the middle part of the bidirectional lead screw (7) is fitted with a limiting spring (13). The two ends of the limiting spring (13) are respectively fixedly connected to the first slider (8) and the second slider (9).
4. The bearing double-sided flexibility radial clearance inspection device according to claim 3, characterized in that: The first slider (8) and the second slider (9) are respectively fixed with a first fixing block (10) and a second fixing block (11), and a baffle (12) is provided on the outer side of the first fixing block (10) and the second fixing block (11) near the mounting bracket (5).
5. The bearing double-sided flexibility radial clearance inspection device according to claim 1, characterized in that: The top of the mounting bracket (5) is provided with a second slide groove (15), and the interior of the second slide groove (15) is provided with a mounting plate (16). A dial indicator (20) is fixed to the front side of the top of the mounting plate (16) by a connecting rod.
6. The bearing double-sided flexibility radial clearance inspection device according to claim 5, characterized in that: A second motor (18) is fixed to one side of the top of the mounting bracket (5) by bolts. A gear (19) is fixed to the output end of the second motor (18). A tooth groove (17) is provided on the side of the mounting plate (16) near the gear (19). The gear (19) meshes with the tooth groove (17).