CN220373096U - Bearing experiment table clamp - Google Patents

Abstract

The utility model discloses a bearing experiment table clamp, and belongs to the technical field of bearing experiment equipment. Including base (1), splint subassembly and retaining member, base (1) are channel-section steel column structure, and splint subassembly includes two splint (10), and the one end of two splint (10) is articulated, the other end and base (1) inside wall sliding connection, the interval that articulated end was kept away from to two splint (10) of retaining member steerable. According to the structure, one ends of the two clamping plates (10) are hinged, the other ends of the two clamping plates are arranged on the base (1) and are in sliding connection with the base, the distance between the two clamping plates (10) away from the hinged ends is controlled through the locking piece, and the bearing is actually only required to be placed between the two clamping plates (10) and locked into the fixable bearing. Because the aperture of the two clamping plates of the structure is adjustable, the clamping requirements of bearings with different sizes are met. The problem that the size of the existing bearing test bed is fixed and cannot meet the bearing test requirements of different sizes is solved.

Description

Bearing experiment table clamp

Technical Field

The utility model discloses a bearing experiment table clamp, and belongs to the technical field of bearing experiment equipment.

Background

The rapid development of science and technology drives the level of modern equipment to rapidly increase, and various bearing equipment increasingly has the characteristics of continuous production, economic maximization and the like. In the limited life period of the bearing, the life is different according to the different life, types and batches, and research test and quality spot check work are required to be carried out on the product, so that a bearing test bed is required to detect the undetermined bearing and evaluate the undetermined bearing.

The test detection device is designed into an advanced bearing test bed, and a large amount of performance test data related to bearing structure, lubrication, process, failure and the like can be provided through tests, so that development and improvement basis is provided for bearing technology. From the integrity analysis of system development, the existing bearing test bed system is huge, parts are complex and not easy to detach, and most of the existing bearing performance test beds are used for only testing the performance of a bearing with certain specification, namely one test bed is used for testing a bearing, as disclosed in the patent CN 202083407U of this country, a simple bearing fixture is used for testing, and the sizes of an outer ring positioning tire and a pressing block are fixed and cannot be adjusted; not only wasting the financial resources of the experiment, but also wasting a great deal of time for the design of the test bed, obstructing the experiment and affecting the research and production progress of the product. It is therefore an urgent need to develop a test stand for testing multiple bearings.

Disclosure of Invention

The utility model aims to solve the technical problem that the prior bearing test bed cannot meet the bearing test requirements of different sizes due to fixed size.

The technical scheme adopted for solving the technical problems is as follows: bearing experiment table anchor clamps, including base, clamp plate assembly and retaining member, the base is channel-section steel column structure, and clamp plate assembly includes two blocks of clamp plates, and the one end of two blocks of clamp plates is articulated, the other end and base inside wall sliding connection, the interval that articulated end was kept away from to the steerable two blocks of clamp plates of retaining member.

Wherein, the locking piece in the device comprises a screw rod, a chute is arranged on the inner wall of the base, and the clamping plates are respectively clamped into the chute away from the hinged end, so that the clamping plates are in sliding connection with the base; the screw penetrates into the sliding groove along the two end surfaces of the base, the screw is in threaded connection with the base, and the penetrating end is in contact connection with the clamping plate clamping-in sliding groove.

Wherein, in above-mentioned device splint be arc structure, and be provided with fine and close insection on the inner wall.

Wherein the device also comprises a pre-fastening component, the pre-fastening component comprises a rotating shaft and a fastening belt, the rotating shaft is arranged in the middle of the base, and the fastening belts are symmetrically arranged on the side wall of the rotating shaft, and the other ends of the fastening belts are respectively connected with clamping plates on the corresponding sides.

Further, the device further comprises vertical plates, wherein the vertical plates are symmetrically arranged on two sides of the rotating shaft, openings are formed in the upper portions of the vertical plates, and the fastening belt is far away from the rotating shaft end, penetrates through the openings and then is connected with the clamping plates.

Further, the device further comprises springs, the springs are symmetrically arranged on the outer sides of the two vertical plates, one ends of the springs are connected with the vertical plates on the corresponding sides, and the other ends of the springs are in contact with the clamping plates on the corresponding sides.

Further, still include bull stick, clutch blocks and fixed cover in the above-mentioned device, the bull stick wears to establish in the pivot along the pivot axial, and the clutch blocks wears to establish in the pivot along the pivot is radial in the rear whole to penetrate in the fixed cover, and fixed cover is fixed on the riser, rotates the bull stick and can make the clutch blocks along the radial removal of pivot and the contact locking of fixed cover inner wall.

Further, in the device, an anti-slip rubber layer is arranged on the outer wall of the friction block and the inner wall of the fixed sleeve.

Further, in the device, a plurality of arc grooves are circumferentially arranged at intervals on one end side wall of the rotating rod, the friction block is of an arc structure, a push rod is arranged on the inner wall, and the push rod penetrates through the rotating shaft and then is arranged in the groove on the rotating rod.

Further, in the device, the rotating rod is in threaded connection with the rotating shaft.

The utility model has the beneficial effects that: the device is simple to manufacture, low in cost and capable of testing the performance of bearings of different specifications and types. The device is actually hinged with one end of the two clamping plates, the other end of the two clamping plates is arranged on the base and is in sliding connection with the base, the distance between the two clamping plates away from the hinged ends is controlled through the locking piece, and the bearing is actually only required to be placed between the two clamping plates and locked into the fixable bearing. Because the aperture of the two clamping plates of the structure is adjustable, the clamping requirements of bearings with different sizes are met, the assembly of bearings with various specifications can be realized, the replacement of the bearings is convenient, the dependence and the use of the traditional bearing seat can be reduced, and various expenditure on the traditional bearing seat can be reduced. The lower end of the clamping plate can slide, and the bearing can be clamped only by fixing the lower end; similarly, when the lower end of the clamping plate is in a free state, the bearing can be easily taken out, and the operation is simple and convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of the structure of the base of the present utility model after being disassembled.

FIG. 3 is an exploded view of the present utility model.

Fig. 4 is a schematic structural view of the base of the present utility model.

Fig. 5 is a schematic structural view of the rotating shaft of the present utility model.

Fig. 6 is a schematic view of the friction block of the present utility model after installation.

FIG. 7 is a schematic view of the structure of the present utility model after the shaft and the rotating rod are connected.

Marked in the figure as: the device comprises a base, 111, a sliding chute, 2, a spring, 3, a fastening belt, 5, a screw, 6, a rotating rod, 61, 7, a rotating shaft, 8, a friction block, 10, a clamping plate, 101, a sliding block, 12, a vertical plate and 13, and a fixed sleeve.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the bearing experiment table clamp of the utility model comprises a base 1, a clamping plate assembly and a locking piece, wherein the base 1 is of a channel steel-shaped structure, the clamping plate assembly comprises two clamping plates 10, one ends of the two clamping plates 10 are hinged, the other ends of the two clamping plates 10 are in sliding connection with the inner side wall of the base 1, and the locking piece can control the distance between the two clamping plates 10 away from the hinged ends. As will be appreciated by those skilled in the art, the device actually articulates one end of the two clamping plates 10, the other end is arranged on the base 1 and is in sliding connection with the base, the distance between the clamping plates 10 and the articulation ends is controlled by the locking member, and the bearing is actually only required to be arranged between the two clamping plates 10 and locked into the fixable bearing. The opening degree of the two clamping plates 10 of the structure is adjustable, so that the clamping requirements of bearings with different sizes are met. Preferably, the base 1 is of a channel steel-shaped structure, so that the clamping plate 10 is conveniently connected with the side wall of the base 1 in a sliding manner away from the hinged end, and meanwhile, the side wall and the bottom surface of the opening of the base 1 can be further fixed with the bearing outer ring, and the stability of clamping is guaranteed.

Preferably, in the above device, the locking member includes a screw 5, a sliding groove 111 is formed on the inner wall of the base 1, and the clamping plates 10 are respectively clamped into the sliding groove 111 away from the hinged end, so that the clamping plates 10 are slidably connected with the base 1; the screw rod 5 penetrates into the sliding groove 111 along the two end surfaces of the base 1, the screw rod 5 is in threaded connection with the base 1, and the penetrating end is in contact connection with the clamping plate 10 clamped into the sliding groove 111. It can be understood by those skilled in the art that the preferred retaining member of the device comprises a screw 5, meanwhile, a chute 111 is formed on the inner wall of the base 1, the clamping plates 10 are far away from the hinged ends and are respectively clamped into the chute 111, the sliding blocks 101 can be preferably arranged on two sides of the end parts of the clamping plates 10 in practice, the sliding blocks 101 are directly clamped into the chute 111, the clamping plates 10 are in sliding connection with the base 1, the screw 5 penetrates into the chute 111 along two end surfaces of the base 1, the chute 111 does not completely penetrate through the side wall of the base 1, so that the penetrating ends of the screw 5 are clamped into the chute 111 by the clamping plates 10 to be in contact connection, the screw 5 is preferably in threaded connection with the base 1 for conveniently fixing the extending amount of the screw 5, the distance between the end parts of the two clamping plates 10 can be controlled by actually rotating the screw 5, the number of the screws 5 can be preferably 4, and the screws 5 are conveniently operated by hand.

Preferably, in the above device, the clamping plate 10 has an arc structure, and fine insections are provided on the inner wall. It can be appreciated by those skilled in the art that in order to ensure the stability of clamping, the preferred clamping plate 10 of the device is of an arc structure, the distance between the two clamping plates 10 is increased, fine insections are arranged on the inner wall, friction is increased through the fine insections, and the influence of bearing movement after clamping the bearing on testing is avoided.

Preferably, the device further comprises a pre-fastening assembly, the pre-fastening assembly comprises a rotating shaft 7 and a fastening belt 3, the rotating shaft 7 is erected in the middle of the base 1 and is rotationally connected with the base 1, the fastening belt 3 is symmetrically arranged on the side wall of the rotating shaft 7, and the other ends of the fastening belts 3 are respectively connected with clamping plates 10 on corresponding sides. It can be understood by those skilled in the art that, in order to ensure that the bearing after clamping is located in the middle of the base 1, the device preferably realizes the pretension of the bearing through the pretension assembly, and particularly, the preferential pretension assembly comprises a rotating shaft 7 and a fastening belt 3, the rotating shaft 7 is erected in the middle of the base 1, that is, the middle of the length direction of the base 1 of the rotating shaft 7 is erected along the width direction of the base 1, meanwhile, the rotating shaft 7 is rotationally connected with the base 1, the fastening belt 3 is symmetrically arranged on the side wall of the rotating shaft 7, the other end of the fastening belt 3 is respectively connected with a clamping plate 10 on the corresponding side, the fastening belt 3 is prepared by selecting inelastic materials, the structural arrangement is such that the bearing is actually placed between the two clamping plates 10, the rotating shaft 7 enables the clamping plates 10 to close to clamp the bearing for prefastening, and then the bearing is ensured to be in the middle of the base 1, and then the screw 5 is screwed to fix the two clamping plates 10 at intervals.

Preferably, the device further comprises vertical plates 12, wherein the vertical plates 12 are symmetrically arranged on two sides of the rotating shaft 7, openings are formed in the upper parts of the vertical plates 12, and the fastening belt 3 is connected with the clamping plate 10 after penetrating through the openings away from the end of the rotating shaft 7. It will be appreciated by those skilled in the art that the device is further preferably provided with risers 12, wherein the risers 12 are symmetrically arranged on two sides of the rotating shaft 7, that is, the number of the risers 12 is two, and an opening is formed in the upper portion of each riser 12, and the fastening strap 3 is connected with the clamping plate 10 after penetrating through the opening away from the end of the rotating shaft 7, so that the fastening strap 3 is ensured to be opened and tightened horizontally.

Preferably, the device further comprises springs 2, wherein the springs 2 are symmetrically arranged outside the two vertical plates 12, one end of each spring 2 is connected with the corresponding vertical plate 12, and the other end of each spring 2 is in contact with the corresponding clamping plate 10. It will be appreciated by those skilled in the art that, in order to achieve the restoration of the clamping plate 10, the device is preferably provided with springs 2, specifically, the springs 2 are symmetrically arranged outside the two risers 12, one end of each spring 2 is connected with the corresponding riser 12, the other end of each spring 2 is in contact with the corresponding clamping plate 10, the springs 2 are preferably arranged in the sliding grooves 111, one end of each spring 2 is connected with the side wall of each riser 12, and the other end of each spring 2 is directly in contact connection with the sliding block 101 at the end of each clamping plate 10.

Preferably, the device further comprises a rotating rod 6, a friction block 8 and a fixing sleeve 13, wherein the rotating rod 6 axially penetrates into the rotating shaft 7 along the rotating shaft 7, the friction block 8 radially penetrates into the rotating shaft 7 and then integrally penetrates into the fixing sleeve 13, the fixing sleeve 13 is fixed on the vertical plate 12, and the rotating rod 6 can enable the friction block 8 to radially move along the rotating shaft 7 to be in contact locking with the inner wall of the fixing sleeve 13. It can be understood by those skilled in the art that, in order to realize the pretension of the clamping plate 10, the device is further provided with a rotating rod 6, a friction block 8 and a fixing sleeve 13, wherein the rotating rod 6 axially penetrates into the rotating shaft 7 along the rotating shaft 7, so that the rotating rod 6 can rotate in the rotating shaft 7, the friction block 8 radially penetrates into the fixing sleeve 13 integrally after penetrating into the rotating shaft 7, that is, one end of the rotating shaft 7 radially penetrates into the fixing sleeve 13, but the rotating connection of the rotating shaft 7 and the base 1 needs to be ensured, the fixing sleeve 13 is preferably fixed on the vertical plates 12, the fixing sleeve 13 can be practically arranged between the two vertical plates 12, the penetrating end of the friction block 8 is in contact with the rotating rod 6, and the friction block 8 can radially move along the rotating shaft 7 by actually rotating the rotating rod 6, so that the friction block 8 is outwards fed and is locked by acting with the fixing sleeve 13. In order to facilitate the rotation of the rotary lever 6, it may be preferable in practice to provide the turntable 61 at its end remote from the friction block 8, so that the rotary lever 6 can be rotated by directly rotating the turntable 61.

Preferably, in the above device, an anti-slip rubber layer is arranged on the outer wall of the friction block 8 and the inner wall of the fixed sleeve 13. It will be appreciated by those skilled in the art that in order to increase the friction between the outer wall of the friction block 8 and the inner wall of the fixed sleeve 13, the present device preferably provides an anti-slip rubber layer on the outer wall of the friction block 8 and the inner wall of the fixed sleeve 13.

Preferably, in the above device, a plurality of arc grooves are circumferentially spaced on a side wall of one end of the rotating rod 6, the friction block 8 is of an arc structure, and a push rod is arranged on the inner wall and is placed in the groove on the rotating rod 6 after passing through the rotating shaft 7. It can be understood by those skilled in the art that, in order to facilitate radial movement of the friction block 8 along the rotating shaft 7, the device is preferably provided with a plurality of arc-shaped grooves at circumferential intervals on one end side wall of the rotating rod 6, and the contact positions between the friction block 8 and the ejector rod of the friction block 8 are different when the friction block rotates due to inconsistent depths of the grooves, so that radial movement of the friction block 8 along the rotating shaft 7 is realized, the friction block 8 is actually preferably in an arc-shaped structure, the contact area with the inner wall of the fixed sleeve 13 is increased, enough locking is ensured, meanwhile, the ejector rods are arranged on the inner wall of the friction block 8, and the ejector rods penetrate through the rotating shaft 7 and then are arranged in the grooves on the rotating rod 6. The friction block 8 is preferably 4 in total and forms a tubular structure, so that 4 arc grooves are uniformly arranged on the actual rotating rod 6 at intervals in the circumferential direction, the rotating rod 6 is in a plum blossom shape on a certain length, the arc grooves are smooth, the arc grooves are matched with the friction block 8, the rotating rod 6 is rotated anticlockwise by about 90 degrees, the friction block 8 is outwards fed, the self-locking of the rotating shaft 7 is realized, and the unlocking can be realized by reverse rotation.

Preferably, in the above device, the rotating rod 6 is in threaded connection with the rotating shaft 7. It can be understood by those skilled in the art that the device can further preferably connect the rotating rod 6 with the rotating shaft 7 by screw threads, and the rotating rod 6 can complete the locking of the rotating shaft 7, and the unlocking can be realized by reverse rotation.

Claims (10)

1. Bearing experiment table anchor clamps, characterized by: including base (1), splint subassembly and retaining member, base (1) are channel-section steel column structure, and splint subassembly includes two splint (10), and the one end of two splint (10) is articulated, the other end and base (1) inside wall sliding connection, the interval that articulated end was kept away from to two splint (10) of retaining member steerable.

2. The bearing bench clamp of claim 1, wherein: the locking piece comprises a screw (5), a sliding groove (111) is formed in the inner wall of the base (1), and the clamping plates (10) are far away from the hinged ends and are respectively clamped into the sliding groove (111), so that the clamping plates (10) are in sliding connection with the base (1); the screw rod (5) penetrates into the sliding groove (111) along the two end surfaces of the base (1), the screw rod (5) is in threaded connection with the base (1), and the penetrating end is in contact connection with the clamping plate (10) clamped into the sliding groove (111).

3. The bearing bench clamp of claim 1, wherein: the splint (10) is of an arc-shaped structure, and fine insections are arranged on the inner wall.

4. The bearing bench clamp of claim 1, wherein: still include the prefastening subassembly, prefastening subassembly includes pivot (7) and fastening band (3), and pivot (7) erect in the middle part of base (1), and rotate with base (1) and be connected, and fastening band (3) symmetry sets up on pivot (7) lateral wall, and the other end of fastening band (3) is connected with splint (10) of corresponding side respectively.

5. The bearing bench clamp as in claim 4, wherein: the clamping device is characterized by further comprising vertical plates (12), wherein the vertical plates (12) are symmetrically arranged on two sides of the rotating shaft (7), openings are formed in the upper parts of the vertical plates (12), and the fastening belt (3) is connected with the clamping plate (10) after penetrating through the openings away from the end of the rotating shaft (7).

6. The bearing bench clamp as in claim 5, wherein: the spring (2) is symmetrically arranged outside the two vertical plates (12), one end of the spring (2) is connected with the vertical plate (12) on the corresponding side, and the other end of the spring is contacted with the clamping plate (10) on the corresponding side.

7. The bearing bench clamp as in claim 4, wherein: still include bull stick (6), clutch blocks (8) and fixed cover (13), bull stick (6) are worn to establish in pivot (7) along pivot (7) axial, and clutch blocks (8) are worn to establish in pivot (7) radial along pivot (7) back is whole to penetrate in fixed cover (13), and fixed cover (13) are fixed on riser (12), rotate bull stick (6) can make clutch blocks (8) along pivot (7) radial movement and fixed cover (13) inner wall contact locking.

8. The bearing bench clamp as in claim 7, wherein: an anti-slip rubber layer is arranged on the outer wall of the friction block (8) and the inner wall of the fixed sleeve (13).

9. The bearing bench clamp as in claim 7, wherein: a plurality of arc grooves are circumferentially arranged at intervals on one end side wall of the rotating rod (6), the friction block (8) is of an arc structure, an ejector rod is arranged on the inner wall of the friction block, and the ejector rod penetrates through the rotating shaft (7) and then is arranged in the groove on the rotating rod (6).

10. The bearing bench clamp as in claim 7, wherein: the rotating rod (6) is in threaded connection with the rotating shaft (7).