CN221572080U - Stop clamp for fatigue testing machine - Google Patents

Abstract

The utility model relates to the technical field of tools for fatigue testing machines, and discloses a stop clamp for a fatigue testing machine, which comprises U-shaped blocks, wherein a plurality of clamping blocks are rotatably connected inside each U-shaped block, a connecting frame is fixedly connected between each U-shaped block, grooves are formed in the left end and the right end of the inner side of the connecting frame, an adjusting mechanism is arranged in the grooves on the left side, a plurality of stop plates are arranged on the adjusting mechanism, the two stop plates are positioned on the inner side of the connecting frame, a plurality of arc-shaped openings are formed in one sides, close to each other, of the two stop plates, a rolling mechanism is arranged in each arc-shaped opening, and the adjusting mechanism comprises a bidirectional screw rod, two thread sleeves and a handle; when the clamp body stop device is used, the use position of the stop plate is convenient to adjust, so that the clamp body is more convenient to stop, the stop range of the clamp body is larger, and the stop effect of the clamp body is greatly improved.

Description

Stop clamp for fatigue testing machine

Technical Field

The utility model relates to the technical field of tools for fatigue testing machines, in particular to a stop clamp for a fatigue testing machine.

Background

The fatigue testing machine is mainly used for testing the fatigue performance of metal and alloy materials thereof under the conditions of stretching, compressing or alternating load of stretching and compressing at room temperature. In order to prevent the workpiece from shifting during testing and influence the testing result of the workpiece, a stop clamp is used for limiting and stopping the workpiece.

The utility model patent of China as the publication number of CN218239579U discloses a stop clamp for a fatigue testing machine, which comprises a clamping seat for connecting an upright post of the fatigue testing machine, two bearings for limiting the clamp of the fatigue testing machine and a mounting seat … … for fixing each bearing, wherein the stop clamp is adjustable in extension length, width and clamping position, the upper and lower movable positions of a clamp body of the fatigue testing machine are limited, and the friction force between the stop clamp and the clamp body is avoided by arranging the bearings at the contact surface of the stop clamp and the clamp body, so that the excessive influence of the limited stop clamp on an experimental result is avoided.

According to the related technology, the bearing is moved to be in contact with the clamp body to stop the clamp body, but when the position of the bearing is adjusted, the first clamping bolt and the second clamping bolt are required to be screwed for many times, so that the operation is troublesome, and meanwhile, the two end faces on one side of the clamp body can be stopped, so that the stopping effect on the clamp body is greatly reduced. Accordingly, a person skilled in the art provides a stop clamp for a fatigue testing machine to solve the above-mentioned problems in the background art.

Disclosure of utility model

The utility model provides a stop clamp for a fatigue testing machine, which aims to solve the problem that when a clamp body is stopped by a bearing, the position of the bearing is troublesome to adjust, and simultaneously, only two end faces on one side of the clamp body can be stopped, so that the stop effect on the clamp body is greatly reduced.

The utility model provides a stop clamp for a fatigue testing machine, which adopts the following technical scheme: the utility model provides a fatigue testing machine backstop anchor clamps, two include the U-shaped piece, two the inside of U-shaped piece is all rotated and is connected with a plurality of clamping blocks, two fixedly connected with linking bridge between the U-shaped piece, the recess is all seted up at the inboard left and right sides both ends of linking bridge, the left side be provided with adjustment mechanism in the recess, be provided with a plurality of backstop boards on the adjustment mechanism, and two the backstop board is located the inboard of linking bridge, two a plurality of arc mouths have all been seted up to one side that the backstop board is close to each other, be provided with rolling mechanism in the arc mouth.

Preferably, the adjusting mechanism comprises a bidirectional screw rod, two thread sleeves and a handle, wherein the bidirectional screw rod is rotationally connected in the left groove, the two thread sleeves are in threaded connection with the bidirectional screw rod, one end of each thread sleeve penetrates through the left groove and is connected with the left end of the stop plate, the handle is rotationally connected to the left side of the front surface of the connecting frame, and one end of the handle is connected with the bidirectional screw rod.

Preferably, the rolling mechanism comprises a connecting shaft and a circular block, wherein the connecting shaft is fixedly connected in the arc-shaped opening, and the circular block is rotationally connected on the connecting shaft.

Preferably, the right side fixedly connected with guide bar in the recess, sliding connection has a plurality of guide blocks on the guide bar, two the one end of guide block is connected with the right-hand member of corresponding backstop board respectively.

Preferably, a bolt is arranged between the two clamping blocks on the same side.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model is provided with the clamping blocks, the connecting frames, the adjusting mechanisms, the stop plates and the rolling mechanisms, the clamping blocks are fixed on the upright posts of the fatigue testing machine, so that the connecting frames can be conveniently installed and fixed, then when the clamp body is tested, the using positions of the stop plates can be conveniently adjusted through the adjusting mechanisms, the round blocks on the two stop plates can be contacted with the front end and the rear end of the clamp body, the clamp body can be stopped, the stop range of the clamp body is larger through the round blocks, and the stop effect on the clamp body is greatly improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a connecting frame according to the present utility model;

FIG. 3 is a schematic view of a partial explosion connection of a stop plate and a rolling mechanism according to the present utility model.

Reference numerals illustrate: 1. a U-shaped block; 2. a clamping block; 3. a connection frame; 4. a groove; 5. an adjusting mechanism; 501. a bidirectional screw; 502. a thread sleeve; 503. a handle; 6. a stop plate; 7. an arc-shaped opening; 8. a rolling mechanism; 801. a connecting shaft; 802. a circular block; 9. a guide rod; 10. a guide block; 11. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

The embodiment of the utility model discloses a stop clamp for a fatigue testing machine. Referring to fig. 1-3, a stop clamp for a fatigue testing machine is disclosed, wherein two stop clamps comprise a U-shaped block 1, a plurality of clamping blocks 2 are rotatably connected in the two U-shaped blocks 1, a connecting frame 3 is fixedly connected between the two U-shaped blocks 1, grooves 4 are formed in the left end and the right end of the inner side of the connecting frame 3, an adjusting mechanism 5 is arranged in the left groove 4, a plurality of stop plates 6 are arranged on the adjusting mechanism 5, the two stop plates 6 are positioned on the inner side of the connecting frame 3, a plurality of arc-shaped openings 7 are formed in one sides, close to each other, of the two stop plates 6, and a rolling mechanism 8 is arranged in each arc-shaped opening 7;

Referring to fig. 2, the adjusting mechanism 5 includes a bidirectional screw 501, two threaded sleeves 502 and a handle 503, the bidirectional screw 501 is rotationally connected in the left groove 4, the two threaded sleeves 502 are both threaded on the bidirectional screw 501, one end of the threaded sleeve 502 penetrates through the left groove 4 and is connected with the left end of the stop plate 6, the handle 503 is rotationally connected on the front left side of the connecting frame 3, and one end of the handle 503 is connected with the bidirectional screw 501.

Through adopting above-mentioned technical scheme, when carrying out the backstop to the anchor clamps body, can drive two-way screw rod 501 through rotating handle 503 and rotate, two thread bush 502 removal can be driven in two-way screw rod 501 rotations, then conveniently adjust the position of use of backstop board 6 for more convenient when backstop is carried out the anchor clamps body.

Referring to fig. 3, the rolling mechanism 8 includes a connection shaft 801 and a circular block 802, the connection shaft 801 is fixedly connected in the arc-shaped opening 7, and the circular block 802 is rotatably connected to the connection shaft 801.

Through adopting above-mentioned technical scheme, when backstop to the anchor clamps body, make circular block 802 and anchor clamps body contact through adjusting the position of use of backstop board 6, then can backstop the anchor clamps body through circular block 802, through circular block 802 and anchor clamps body rolling contact moreover, can avoid producing too much influence to the test of anchor clamps body.

Referring to fig. 2, a guide rod 9 is fixedly connected in the right groove 4, a plurality of guide blocks 10 are slidably connected on the guide rod 9, and one ends of the two guide blocks 10 are respectively connected with the right ends of the corresponding stop plates 6.

Through adopting above-mentioned technical scheme, when thread bush 502 removes and drives the baffle 6 and remove, slide on guide bar 9 through guide block 10 and make the baffle 6 more stable when removing.

Referring to fig. 1, a bolt 11 is provided between two clamping blocks 2 on the same side.

Through adopting above-mentioned technical scheme, be convenient for through bolt 11 with the stand of clamp block 2 installation at fatigue testing machine, then be convenient for install fixedly to connecting frame 3.

Working principle: when the clamp is used, the clamping block 2 can be fixed on the upright post of the fatigue testing machine through the bolt 11, so that the connecting frame 3 can be conveniently installed and fixed at a proper position, the clamp body is positioned between the two stop plates 6, then a worker can rotate the handle 503, the handle 503 rotates to drive the bidirectional screw 501 to rotate, the bidirectional screw 501 rotates to drive the threaded sleeve 502 to move through the cooperation of the guide rod 9 and the guide block 10, the two stop plates 6 can be mutually close, the handle 503 is stopped rotating when the circular block 802 on the stop plate 6 is contacted with the clamp body, the clamp body can be stopped through the circular block 802, and the contact area with the clamp body is more due to the fact that the number of the circular blocks 802 is more, so that the stop effect on the clamp body is better, and after the clamp body test is finished, the connecting frame 3 is also conveniently detached through the bolt 11.

When the fixture is used, the use position of the stop plate 6 is convenient to adjust, so that the fixture is more convenient to stop, the stop range of the fixture is larger, and the stop effect of the fixture is greatly improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Stop clamp for fatigue testing machine, two including U-shaped piece (1), its characterized in that: two the inside of U-shaped piece (1) all rotates and is connected with a plurality of clamp blocks (2), two fixedly connected with connecting frame (3) between U-shaped piece (1), recess (4) are all seted up at the inboard left and right sides both ends of connecting frame (3), the left side be provided with adjustment mechanism (5) in recess (4), be provided with a plurality of stop plates (6) on adjustment mechanism (5), and two stop plate (6) are located the inboard of connecting frame (3), two a plurality of arc mouths (7) have all been seted up to one side that stop plate (6) are close to each other, be provided with rolling mechanism (8) in arc mouths (7).

2. The stop clamp for a fatigue testing machine according to claim 1, wherein: adjustment mechanism (5) are including two-way screw rod (501), two thread bush (502) and handle (503), two in two-way screw rod (501) rotate and connect in left recess (4), equal threaded connection of thread bush (502) is on two-way screw rod (501), left recess (4) are run through to the one end of thread bush (502) and are connected with the left end of backstop board (6), handle (503) rotate and connect in the positive left side of connecting frame (3), just the one end and the two-way screw rod (501) of handle (503) are connected.

3. The stop clamp for a fatigue testing machine according to claim 1, wherein: the rolling mechanism (8) comprises a connecting shaft (801) and a circular block (802), wherein the connecting shaft (801) is fixedly connected in the arc-shaped opening (7), and the circular block (802) is rotatably connected to the connecting shaft (801).

4. The stop clamp for a fatigue testing machine according to claim 1, wherein: the right side fixedly connected with guide bar (9) in recess (4), sliding connection has a plurality of guide blocks (10) on guide bar (9), and two the one end of guide block (10) is connected with the right-hand member of corresponding backstop board (6) respectively.

5. The stop clamp for a fatigue testing machine according to claim 1, wherein: a bolt (11) is arranged between the two clamping blocks (2) on the same side.