CN219224383U

CN219224383U - High-strength bolt tensile strength detection clamp

Info

Publication number: CN219224383U
Application number: CN202320131484.8U
Authority: CN
Inventors: 宫鸿; 王惠敏; 姚汝新; 谢必德
Original assignee: Karamay Dushanzi Dingxin Building Materials Testing Co ltd
Current assignee: Karamay Dushanzi Dingxin Building Materials Testing Co ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-06-20
Anticipated expiration: 2033-01-14

Abstract

The utility model discloses a high-strength bolt tensile strength detection clamp, which comprises a tensile testing machine body, wherein a first clamp for clamping a high-strength bolt and nut part is movably assembled on a first support plate of the tensile testing machine body, a second clamp for clamping a high-strength bolt and nut part is horizontally fixed on a second support plate, clamping grooves are symmetrically formed in the vertical end faces of one side of a clamping plate and one side of a moving plate in the first clamp, a moving plate is vertically and movably arranged in a sliding groove of the clamping plate, one end of a sliding frame in the second clamp is fixed on the second support plate, a sliding block is slidably arranged in the sliding frame, a through hole is horizontally formed in the center of the sliding block in a penetrating mode, a screw cylinder is horizontally inserted in the through hole of the sliding block, and the screw cylinder is used for being assembled with threads of the high-strength bolt and nut part. The utility model solves the problem that the high-strength bolt is easy to separate from the pincer-shaped clamp when the tensile testing machine tests the high-strength bolt because the pincer-shaped clamp occupies a longer length of the high-strength bolt when the conventional high-strength bolt is used for tensile testing.

Description

High-strength bolt tensile strength detection clamp

Technical Field

The utility model relates to the technical field of clamp equipment, in particular to a high-strength bolt tensile strength detection clamp.

Background

The high-strength bolt is made of high-strength steel or a bolt with larger pretightening force is needed, a high-strength bolt finished product is needed to be subjected to tensile strength test, a tensile testing machine is needed to be used in the tensile strength test, a clamp for clamping the high-strength bolt finished product is in a clamp shape, and a certain length of the high-strength bolt finished product is needed to be clamped during clamping, so that tensile performance detection can be performed.

When the existing high-strength bolt is short in length, special in shape and high in strength, the clamp is used for clamping the high-strength bolt, one end of the bolt needs to be reserved for a longer length to extend into the clamp, so that the clamp and the bolt have a longer clamping contact surface, one end of the high-strength bolt can be clamped and fixed, when the tensile testing machine is used for clamping the high-strength bolt by using the clamp, the clamp is used for clamping one end of the high-strength bolt, a certain length is consumed, the other end of the high-strength bolt cannot be sufficiently clamped by the clamp on the other side, and the high-strength bolt is easy to separate from the clamp when the tensile testing machine is used for testing the high-strength bolt, so that the detection of the high-strength bolt is affected.

Disclosure of Invention

The utility model aims to provide a high-strength bolt tensile strength detection clamp, which aims to solve the problems that when the existing high-strength bolt is subjected to tensile force test, the clamp-shaped clamp occupies a longer length of the high-strength bolt, so that the other end of the high-strength bolt cannot be sufficiently clamped by the clamp-shaped clamp at the other side, and the high-strength bolt is easy to separate from the clamp-shaped clamp when the tensile force tester tests the high-strength bolt, so that the detection of the high-strength bolt is affected.

The utility model is realized in the following way:

the utility model provides a high-strength bolt tensile strength detects anchor clamps, including the tensile testing machine body, the top platform both sides of tensile testing machine body are vertical respectively fixed with first extension board and second extension board, and the first anchor clamps of centre gripping high strength bolt nut portion are equipped with to movable assembly on the first extension board, and the second anchor clamps of centre gripping high strength bolt screw rod portion are fixed with to the level on the second extension board, first anchor clamps include splint and movable plate, wherein splint and movable plate have been seted up the draw-in groove on the vertical terminal surface of splint one side, and the spout has vertically movable mounting has the movable plate in the spout of splint, the second anchor clamps include sliding frame and slider, wherein the one end of sliding frame is fixed on the second extension board, and slidable mounting has the slider in the sliding frame, and the through-hole has been seted up to the center department level of slider, and the level has pegged graft the screw barrel in the through-hole of slider, and the screw barrel is used for with high strength bolt screw rod portion screw thread equipment.

Further, a plug cylinder is horizontally fixed on the clamping plate, a hydraulic cylinder is horizontally fixed on the first support plate of the tensile testing machine body, and a plug column is horizontally fixed at the output end of the hydraulic cylinder.

Furthermore, the plug posts are inserted into the plug cylinders, and the plug cylinders are assembled and connected with the plug posts through bolts.

Further, a screw hole block is horizontally fixed at the top end of the clamping plate, and an adjusting stud is vertically arranged in the screw hole block in a threaded manner.

Further, the bottom end of the adjusting stud is rotatably connected to the top surface of the moving plate through a bearing.

Further, one end of the sliding frame is fixed with a fixed disc, and the fixed disc is assembled on the second support plate through bolts.

Further, one end of the screw cylinder is fixed with a baffle, and the outer diameter of the baffle of the screw cylinder is larger than the inner diameter of the through hole of the sliding block.

Compared with the prior art, the utility model has the beneficial effects that: the first fixture and the second fixture carry out tensile strength test to the high-strength bolt to the first fixture and the second fixture centre gripping high-strength bolt nut portion and screw rod portion respectively, effectively avoid using pincerlike fixture to occupy the longer length of high-strength bolt now, lead to the high-strength bolt other end can not fully be centre gripping by the pincerlike fixture of opposite side, when leading to tensile testing machine test high-strength bolt, high-strength bolt breaks away from with pincerlike fixture easily, thereby influence the problem of high-strength bolt's detection, improve the stability that detects clamping bolt.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic exploded view of the present utility model;

FIG. 3 is a schematic view of an exploded construction of a first clamp in an embodiment of the utility model;

FIG. 4 is a schematic view of an exploded construction of a second clamp in an embodiment of the utility model;

fig. 5 is a schematic structural diagram of a tensile tester body according to an embodiment of the present utility model.

In the figure: 1. a tensile tester body; 11. a first support plate; 12. a hydraulic cylinder; 13. inserting a column; 14. a second support plate; 2. a first clamp; 21. a clamping plate; 22. a plug cylinder; 23. screw hole blocks; 24. a moving plate; 25. adjusting the stud; 3. a second clamp; 31. a sliding frame; 32. a fixed plate; 33. a slide block; 34. and a screw cylinder.

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. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. 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, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3, 4 and 5, a high-strength bolt tensile strength detection clamp comprises a tensile tester body 1, wherein a first support plate 11 and a second support plate 14 are vertically fixed on two sides of a top platform of the tensile tester body 1, a first clamp 2 for clamping a high-strength bolt nut portion is movably assembled on the first support plate 11, a second clamp 3 for clamping a high-strength bolt screw portion is horizontally fixed on the second support plate 14, the first clamp 2 comprises a clamping plate 21 and a moving plate 24, clamping grooves are symmetrically formed on vertical end surfaces of one side of the clamping plate 21 and the moving plate 24, a sliding groove is vertically formed in the clamping plate 21, the moving plate 24 is vertically and movably installed in the sliding groove of the clamping plate 21, the second clamp 3 comprises a sliding frame 31 and a sliding block 33, one end of the sliding frame 31 is fixed on the second support plate 14, the sliding block 33 is slidably installed in the sliding frame 31, the center of the sliding block 33 is horizontally penetrated and provided with a through hole, the through hole of the sliding block 33 is horizontally inserted with a screw cylinder 34, the screw cylinder 34 is used for being assembled with the screw rod part of the high-strength bolt, the first clamp 2 and the second clamp 3 on the tensile testing machine body 1 are used for clamping the screw rod part and the screw rod part of the high-strength bolt respectively in use, then the hydraulic cylinder 12 on the tensile testing machine body 1 is started to drive the first clamp 2 to horizontally move, the tensile strength test is carried out on the high-strength bolt by the first clamp 2 and the second clamp 3, the first clamp 2 and the second clamp 3 respectively clamp the screw rod part and the screw rod part of the high-strength bolt, the condition that the other end of the high-strength bolt cannot be fully clamped by the clamp on the other side due to the fact that the clamp-shaped clamp is used at present is effectively avoided, and the high-strength bolt is easy to be separated from the clamp-shaped clamp when the tensile testing machine tests the high-strength bolt, thereby influencing the problem of high strength bolt's detection, improving the stability of detecting clamping bolt.

Referring to fig. 3, an insert cylinder 22 is horizontally fixed on the clamping plate 21, a hydraulic cylinder 12 is horizontally fixed on the first support plate 11 of the tensile testing machine body 1, an insert column 13 is horizontally fixed at the output end of the hydraulic cylinder 12, the insert column 13 is inserted into the insert cylinder 22, the insert cylinder 22 and the insert column 13 are assembled and connected through bolts, and the first clamp 2 moves under the telescopic driving of the hydraulic cylinder 12, so that pulling of high-strength bolts is facilitated to carry out tensile testing.

Referring to fig. 3, a screw hole block 23 is horizontally fixed at the top end of the clamping plate 21, an adjusting stud 25 is vertically screwed in the screw hole block 23, the bottom end of the adjusting stud 25 is rotatably connected to the top surface of the moving plate 24 through a bearing, the moving plate 24 is driven to vertically move in a chute of the clamping plate 21 by using the adjusting stud 25 on the rotating screw hole block 23, and the clamping plate 21 and the moving plate 24 are matched with adjacent clamping grooves to stably clamp and clamp the high-strength bolt and nut parts, so that the high-strength bolt is convenient to clamp and drag.

Referring to fig. 4, a fixed disc 32 is fixed at one end of the sliding frame 31, the fixed disc 32 is assembled on the second support plate 14 through bolts, a baffle is fixed at one end of the screw barrel 34, the outer diameter of the baffle of the screw barrel 34 is larger than the inner diameter of the through hole of the sliding block 33, the inner diameter of the screw barrel 34 is provided with various types, the screw barrel is inserted into the through hole of the sliding block 33 in use, and the baffle is blocked and clamped in the sliding block 33, so that the screw part of the high-strength bolt is convenient to be fixedly installed at the later stage.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a high-strength bolt tensile strength detects anchor clamps, includes tensile testing machine body (1), its characterized in that: the utility model provides a tensile testing machine body (1) top platform both sides are vertical respectively fixed with first extension board (11) and second extension board (14), and movable equipment has first anchor clamps (2) of centre gripping high strength bolt nut portion on first extension board (11), and second anchor clamps (3) of centre gripping high strength bolt screw portion are fixed with to the level on second extension board (14), first anchor clamps (2) are including splint (21) and movable board (24), and clamp groove has been seted up to the symmetry on the vertical terminal surface in splint (21) and movable board (24) one side, and the spout has been seted up on splint (21) vertically, and vertical movable installation has movable board (24) in the spout of splint (21), second anchor clamps (3) are including sliding frame (31) and slider (33), and sliding mounting has slider (33) in sliding frame (31) wherein the one end is fixed on second extension board (14), and the center department level of slider (33) runs through and has seted up the through-hole, and the level has screw barrel (34) in the through-hole that slider (33) excels in, and screw barrel (34) are used for assembling screw bolt portion with screw bolt portion.

2. The high-strength bolt tensile strength detection clamp according to claim 1, wherein an inserting cylinder (22) is horizontally fixed on the clamping plate (21), a hydraulic cylinder (12) is horizontally fixed on the first support plate (11) of the tensile testing machine body (1), and an inserting column (13) is horizontally fixed at the output end of the hydraulic cylinder (12).

3. The high-strength bolt tensile strength detection clamp according to claim 2, wherein the plug post (13) is inserted into the plug cylinder (22), and the plug cylinder (22) and the plug post (13) are assembled and connected through bolts.

4. The high-strength bolt tensile strength detection clamp according to claim 1, wherein a screw hole block (23) is horizontally fixed at the top end of the clamping plate (21), and an adjusting stud (25) is vertically arranged in the screw hole block (23) in a threaded manner.

5. The high-strength bolt tensile strength detection clamp according to claim 4, wherein the bottom end of the adjusting stud (25) is rotatably connected to the top surface of the moving plate (24) through a bearing.

6. The high-strength bolt tensile strength detection clamp according to claim 1, wherein a fixed disc (32) is fixed at one end of the sliding frame (31), and the fixed disc (32) is assembled on the second support plate (14) through bolts.

7. The high-strength bolt tensile strength detection clamp according to claim 6, wherein a baffle is fixed at one end of the screw cylinder (34), and the baffle outer diameter of the screw cylinder (34) is larger than the inner diameter of the through hole of the sliding block (33).