CN216747092U

CN216747092U - Screw rod pulling force detects anchor clamps

Info

Publication number: CN216747092U
Application number: CN202123204300.6U
Authority: CN
Inventors: 张福龙
Original assignee: Changzhou Hongshan New Material Co ltd
Current assignee: Changzhou Hongshan New Material Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-14
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to a pulling force detects technical field, concretely relates to screw rod pulling force detects anchor clamps, including the bottom plate, the upper end of bottom plate is provided with the upper fixed plate, be provided with clamping device between bottom plate and the upper fixed plate, be provided with protector between upper fixed plate and the bottom plate, protector includes protection component and anchor clamps subassembly, protection component sets up between bottom plate and upper fixed plate, the anchor clamps subassembly sets up between bottom plate and upper fixed plate, the beneficial effects of the utility model are that: can be used for not the screw rod of equidimension to detect, and need not change the pulling force and detect the machine, practice thrift the cost, and when the screw rod pulling force detects, protect through the protection casing, guaranteed measurement personnel's safety, reasonable in design, simple structure, anchor clamps installation is nimble convenient, and the convertibility is good, operation use safe and reliable, low in production cost, convenient to popularize and use.

Description

Screw rod pulling force detects anchor clamps

Technical Field

The utility model relates to a tensile force detects technical field, concretely relates to screw rod pulling force detects anchor clamps.

Background

According to the requirements of the national standard GB/T3098.1-2000 fastener mechanical performance screw rod, the mechanical performance detection contents of three fastener varieties of the screw rod comprise four items of nominal tensile strength, minimum tensile strength, guaranteed stress and wedge load, and during detection, the four items are subjected to a tensile test of a product on a universal tensile testing machine.

When the screw fastener is subjected to a tensile test, the screw fastener needs to be clamped on a test bed through a special clamp. The existing clamp is only suitable for a screw rod with one specification, and clamps with different specifications are required to be matched with screw rods with different specifications, so that the use is extremely inconvenient, and the assembly and disassembly are troublesome. Meanwhile, the existing clamps are provided with notches, when the detected screw rod is subjected to a tensile test and is broken or the head falls off or the gasket is broken, scattered fragments can splash along the oblique line, operators are easy to hurt, and the safety is poor.

Therefore, it is necessary to design a screw tension detection jig.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a screw rod pulling force detects anchor clamps through clamping device and protector to when solving at present to the capable tensile test of screw rod fastener, need through special fixture with its clamp on the test bench. The existing clamp is only suitable for a screw rod with one specification, and clamps with different specifications are required to be matched with screw rods with different specifications, so that the clamp is extremely inconvenient to use and troublesome to assemble and disassemble. Meanwhile, the existing clamps are provided with notches, when the detected screw rod is subjected to a tensile test and is broken or the head falls off or the gasket is broken, scattered fragments can splash along the oblique line, operators are easy to hurt, and the safety is poor.

In order to achieve the above object, the present invention provides the following technical solutions: the screw tension detection clamp comprises a lower fixing plate, wherein an upper fixing plate is arranged at the upper end of the lower fixing plate, a clamping device is arranged between the lower fixing plate and the upper fixing plate, and a protective device is arranged between the upper fixing plate and the lower fixing plate;

the protection device comprises a protection assembly and a clamp assembly, wherein the protection assembly is arranged between a lower fixing plate and an upper fixing plate, the clamp assembly is arranged between the lower fixing plate and the upper fixing plate, and the clamp assembly is arranged in the middle of the protection assembly.

Preferably, the clamping device comprises a lower tensile machine rod, the lower tensile machine rod is arranged below the lower fixing plate, and a first rubber block is fixedly connected to one side, close to the lower fixing plate, of the upper end of the lower tensile machine rod.

Preferably, the upper end of the lower rod of the tensile machine is fixedly connected with a first clamping screw, the first clamping screw penetrates through the middle of the lower fixing plate in a sliding connection mode, and a first screw hole is formed in the upper end of the first clamping screw.

Preferably, the upper end of the upper fixing plate is provided with a tensile machine upper rod, and the lower end of the tensile machine upper rod and one side close to the upper fixing plate are fixedly connected with a second rubber block.

Preferably, the lower end of the upper rod of the tensile machine is fixedly connected with a second clamping screw, the second clamping screw penetrates through the middle of the upper fixing plate in a sliding connection mode, and a second screw hole is formed in the lower end of the second clamping screw.

Preferably, the clamp assembly comprises a first stud, the side wall of the first stud is in threaded connection with the middle of the first screw hole, a first screw clamp is fixedly connected to the upper end of the first stud, and a clamp groove is formed in the middle of the first screw clamp.

Preferably, the middle part of the second screw hole is in threaded connection with a second stud, one end of the second stud is fixedly connected with a second screw clamp, a thread groove is formed in the lower end of the second screw clamp, the middle part of the thread groove is in threaded connection with a screw rod to be tested, and one end of the screw rod to be tested is arranged in the middle of the clamp groove.

Preferably, the protection subassembly includes the protection casing, protection casing fixed connection is between last fixed plate and bottom plate, the lateral wall of protection casing rotates through the hinge and is connected with the guard gate, the quantity of hinge is two, the lateral wall fixedly connected with handle of guard gate.

The utility model has the advantages that: the middle part that detects anchor clamps is provided with the anchor clamps subassembly that can change, can be used for not the screw rod of equidimension to detect, and need not change the pulling force and detect the machine, practices thrift the cost, and when the screw rod pulling force detected, protects through the protection casing, has guaranteed measurement personnel's safety, reasonable in design, simple structure, and anchor clamps installation is nimble convenient, and the convertibility is good, operation use safe and reliable, low in production cost, convenient to popularize and use.

Drawings

Fig. 1 is a front view of a screw tension detecting clamp provided by the present invention;

fig. 2 is a cross-sectional view of the screw tension detecting fixture provided by the present invention;

fig. 3 is a three-dimensional schematic view of a screw clamp of the screw tension detecting clamp provided by the present invention;

fig. 4 is an enlarged view of the structure of the area a in fig. 2 according to the present invention;

fig. 5 is an enlarged view of the structure of the region B in fig. 2 according to the present invention.

In the figure: 1. an upper fixing plate; 2. a protective cover; 3. a hinge; 4. a lower fixing plate; 5. a first rubber block; 6. a lower rod of a tensile machine; 7. a first clamping screw; 8. a handle; 9. a protective door; 10. a second rubber block; 11. a second clamping screw; 12. a tensile machine upper rod; 13. a second screw clamp; 14. a screw to be tested; 15. a first screw clamp; 16. a second screw hole; 17. a first stud; 18. a clamp groove; 19. a thread groove; 20. a second stud; 21. a first screw hole.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-5, the screw tension detection clamp provided by the utility model comprises a lower fixing plate 4, the lower fixing plate 4 has the fixing and supporting functions and is made of metal, an upper fixing plate 1 is arranged at the upper end of the lower fixing plate 4, the upper fixing plate 1 has the fixing and supporting functions and is made of metal, a clamping device is arranged between the lower fixing plate 4 and the upper fixing plate 1, a protection device is arranged between the upper fixing plate 1 and the lower fixing plate 4, the protection device comprises a protection component and a clamp component, the protection component is arranged between the lower fixing plate 4 and the upper fixing plate 1, the clamp component is arranged in the middle of the protection component, the clamping device comprises a tension machine lower rod 6, the tension machine lower rod 6 has the connecting and fixing functions and is made of metal, the tension machine lower rod 6 is arranged below the lower fixing plate 4, the upper end of the tensile machine lower rod 6 and one side close to the lower fixing plate 4 are fixedly connected with a first rubber block 5, the first rubber block 5 has buffering and protecting functions and is made of rubber, the upper end of the tensile machine lower rod 6 is fixedly connected with a first clamping screw 7, the first clamping screw 7 can play a role in connection and sliding and is made of metal, the first clamping screw 7 penetrates through the middle of the lower fixing plate 4 in a sliding mode, the upper end of the first clamping screw 7 is provided with a first screw hole 21, the first screw hole 21 facilitates the threaded rotation and fixation of a first stud 17, the upper end of the upper fixing plate 1 is provided with a tensile machine upper rod 12, the tensile machine upper rod 12 has connecting and fixing functions and is made of metal, a second rubber block 10 is fixedly connected to the lower end of the tensile machine upper rod 12 and one side close to the upper fixing plate 1, the second rubber block 10 has buffering and protecting functions, the lower end of an upper rod 12 of a tensile machine is fixedly connected with a second clamping screw 11, the second clamping screw 11 has the connecting and sliding effects and is made of metal, the second clamping screw 11 penetrates through the middle of an upper fixing plate 1 in a sliding manner and is connected with the lower end of the upper fixing plate 1 in a sliding manner, a second screw hole 16 is formed in the lower end of the second clamping screw 11, the second screw hole 16 facilitates the threaded rotation and fixation of a second stud 20, a clamp assembly comprises a first stud 17, the first stud 17 has the rotating and connecting effects and is a product in the prior art of the patent application, the side wall of the first stud 17 is in threaded connection with the middle of a first screw hole 21, a first screw clamp 15 is fixedly connected with the upper end of the first stud 17, the first screw clamp 15 facilitates the installation and fixation of a screw rod 14 to be tested and is made of metal, a clamp groove 18 is formed in the middle of the first screw clamp 15, and the clamp groove 18 facilitates the sliding fixation of one end of the screw rod 14 to be tested, the middle part of the second screw hole 16 is in threaded connection with a second stud 20, the second stud 20 has the functions of rotation and installation and is made of metal, one end of the second stud 20 is fixedly connected with a second screw clamp 13, the second screw clamp 13 facilitates the installation and the fixation of a screw 14 to be tested and is made of metal, the lower end of the second screw clamp 13 is provided with a thread groove 19, the thread groove 19 facilitates the thread rotation and the fixation of the screw 14 to be tested, the middle part of the thread groove 19 is in threaded connection with the screw 14 to be tested, one end of the screw 14 to be tested is arranged in the middle part of the clamp groove 18, the protection assembly comprises a protection cover 2, the protection cover 2 can play a protection role and is made of plastic, the protection cover 2 is fixedly connected between the upper fixing plate 1 and the lower fixing plate 4, the side wall of the protection cover 2 is rotatably connected with a protection door 9 through a hinge 3, the protection door 9 has a protection role and is made of plastic, the number of the hinges 3 is two, the side wall of the protective door 9 is fixedly connected with a handle 8, the protective door 9 is convenient to open and close by using the handle 8, and the protective door is made of plastics;

the utility model discloses a use as follows: when a person skilled in the art needs to detect a screw 14 to be detected, a handle 8 is used to rotate and open a protective door 9 through a hinge 3, then a second screw clamp 13 and a first screw clamp 15 which can be meshed with the screw 14 to be detected are found, the first screw clamp 15 is screwed into a first screw hole 21 through a first stud 17 at the lower end to be fixed, the second screw clamp 13 is screwed into a second screw hole 16 through a second stud 20 at the upper end to be fixed, then one end of the screw 14 to be detected is slid into a clamp groove 18, then the upper end screw of the screw 14 to be detected is screwed into a screw groove 19 to be fixed in a rotating manner, after the screw 14 to be detected is fixed, the handle 8 is used to close the protective door 9 at one side of a protective cover 2, a detector starts to work, a lower rod 6 and an upper rod 12 of a tensile machine are respectively pulled upwards or downwards to detect garbage, and the first rubber block 5 and the second rubber block 10 can play a role of buffer protection.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. Screw rod pulling force detects anchor clamps, including bottom plate (4), the upper end of bottom plate (4) is provided with upper fixed plate (1), be provided with clamping device, its characterized in that between bottom plate (4) and upper fixed plate (1): a protective device is arranged between the upper fixing plate (1) and the lower fixing plate (4);

the protection device comprises a protection assembly and a clamp assembly, wherein the protection assembly is arranged between a lower fixing plate (4) and an upper fixing plate (1), the clamp assembly is arranged between the lower fixing plate (4) and the upper fixing plate (1), and the clamp assembly is arranged in the middle of the protection assembly.

2. The screw tension detecting jig according to claim 1, wherein: the clamping device comprises a tensile machine lower rod (6), the tensile machine lower rod (6) is arranged below the lower fixing plate (4), and the upper end of the tensile machine lower rod (6) is close to one side of the lower fixing plate (4) and is fixedly connected with a first rubber block (5).

3. The screw tension detection jig according to claim 2, characterized in that: the upper end fixedly connected with first clamping screw (7) of tensile machine lower beam (6), sliding connection is run through in the middle part of bottom plate (4) in first clamping screw (7), the upper end of first clamping screw (7) is provided with first screw (21).

4. The screw rod tension detection clamp according to claim 3, characterized in that: the upper end of the upper fixing plate (1) is provided with a tensile machine upper rod (12), and one side, close to the upper fixing plate (1), of the lower end of the tensile machine upper rod (12) is fixedly connected with a second rubber block (10).

5. The screw rod tension detection clamp according to claim 4, characterized in that: the lower end of the tensile machine upper rod (12) is fixedly connected with a second clamping screw (11), the second clamping screw (11) penetrates through the middle of the upper fixing plate (1) in a sliding connection mode, and a second screw hole (16) is formed in the lower end of the second clamping screw (11).

6. The screw rod tension detecting jig as set forth in claim 5, wherein: the clamp assembly comprises a first stud (17), the side wall of the first stud (17) is in threaded connection with the middle of a first screw hole (21), a first screw clamp (15) is fixedly connected to the upper end of the first stud (17), and a clamp groove (18) is formed in the middle of the first screw clamp (15).

7. The screw tension detecting jig according to claim 6, wherein: the middle part threaded connection of second screw hole (16) has second double-screw bolt (20), the one end fixedly connected with second screw anchor clamps (13) of second double-screw bolt (20), thread groove (19) have been seted up to the lower extreme of second screw anchor clamps (13), the middle part threaded connection of thread groove (19) has screw rod (14) that awaits measuring, the one end setting of screw rod (14) that awaits measuring is in the middle part of anchor clamps groove (18).

8. The screw rod tension detecting jig as set forth in claim 7, wherein: the protection assembly comprises a protection cover (2), the protection cover (2) is fixedly connected between an upper fixing plate (1) and a lower fixing plate (4), the side wall of the protection cover (2) is rotatably connected with a protection door (9) through hinges (3), the number of the hinges (3) is two, and the side wall of the protection door (9) is fixedly connected with a handle (8).