CN212871575U

CN212871575U - High-strength bolt torque detection device for supervision

Info

Publication number: CN212871575U
Application number: CN202022463942.7U
Authority: CN
Inventors: 周嘉辉; 魏临; 郑莉莉; 张涛; 杨涛
Original assignee: Zhejiang Nanzheng Project Management Consulting Co ltd
Current assignee: Zhejiang Nanzheng Project Management Consulting Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-04-02
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a high strength bolt torque detection device for supervision relates to torque detection device technical field, and the structure of having solved current bolt torque detection device is most can not be adjusted according to the length and the diameter of bolt, the comparatively single problem of suitability. A high-strength bolt torque detection device for supervision comprises a bottom plate, wherein the bottom plate is divided into a front part and a rear part, two anti-rotation shafts are symmetrically inserted in the left side and the right side of the inner parts of the two bottom plates in a penetrating manner, and a rotating shaft is transversely inserted in the center of the two bottom plates in a rotating manner; two fixing blocks are symmetrically welded on the left side and the right side of the upper end face of the bottom plate on the front side, two sliding grooves are symmetrically arranged on the left side and the right side of the upper end face of the bottom plate on the rear side in a penetrating mode, and two fixing blocks are slidably mounted in the two sliding grooves. This practicality compares with other moment of torsion detection devices, can measure the bolt of different specifications, and the suitability is more extensive, and the result of use is better.

Description

High-strength bolt torque detection device for supervision

Technical Field

The utility model relates to a torque detection device technical field specifically is a high strength bolt torque detection device is used in prison.

Background

The bolt torque detection is actually the tightening quality detection of the bolt, and the torque is used as a major item of the bolt detection and has direct influence on the connection strength, the assembly and disassembly performance, the interchangeability, the fastening performance, the safety performance, the reliability and the like of the bolt. Many engineering accidents caused by bolt breakage are probably due to the breakage phenomenon caused by unqualified torque. After the Bayer detection engineer summarizes the bolt failure analysis for many years, the Bayer detection engineer also provides that the torque is a key index of the quality performance of the bolt.

For example, patent No. CN203422186U discloses a bolt torque detection device, which is characterized in that: the rack vertically slides on the rack seat, the gear rotates around a horizontal line through the support of the rack seat, the gear is coaxially connected with the rotating sleeve, and the tensile testing machine is in transmission connection with the rack to drive the rack to slide; the head clamp is placed in the head support seat hole to limit the rotation of the head clamp relative to the head support seat around the horizontal line; the rotation of the bolt head relative to the head chuck around the horizontal line is limited; limiting rotation of the nut chuck relative to the rotating sleeve around a horizontal line and translation along the horizontal line; the rotation of the nut relative to the nut holder around the horizontal line is limited; the height of the nut is consistent with that of the matching hole of the bolt head; the head supporting seat is provided with a back cap hole, the end part of the back cap extends into the head supporting seat hole and abuts against the head chuck and a bolt head of a bolt in the head chuck, and the bolt head is limited to move leftwards along a horizontal line and rotate around the horizontal line.

The most use torque tester to detect during current bolt torque test, the purchase cost of tester is higher, and detection device's structure can not adjust according to the length and the diameter of bolt mostly, and the suitability is comparatively single, and in addition, in bolt torque testing process, applied external force probably leads to the bolt clamping unstability, influences the problem of test result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength bolt torque detection device is used in supervision to solve the current bolt torque test who proposes in the above-mentioned background art and mostly use the torque tester to detect, the purchasing cost of tester is higher, and detection device's structure can mostly not adjust according to the length and the diameter of bolt, the suitability is comparatively single, in addition, in bolt torque detection process, the external force of applying probably leads to the bolt clamping unstable, influence the problem of test result.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength bolt torque detection device for supervision comprises a bottom plate, wherein the bottom plate is divided into a front part and a rear part, two anti-rotation shafts are symmetrically inserted in the left side and the right side of the inner parts of the two bottom plates in a penetrating manner, and a rotating shaft is transversely inserted in the center of the two bottom plates in a rotating manner; two fixing blocks are symmetrically welded at the left side and the right side of the upper end surface of the front bottom plate, two sliding grooves are symmetrically arranged at the left side and the right side of the upper end surface of the rear bottom plate in a penetrating manner, and two fixing blocks are slidably arranged in the two sliding grooves; threaded grooves are formed in the side walls of the left and right groups of fixed blocks in a penetrating manner, and two bidirectional screw rods are rotatably inserted between the left and right groups of fixed blocks; the middle sections of the two bidirectional screw rods are provided with bidirectional threads, and the two bidirectional screw rods are symmetrically and rotatably provided with two rotary nuts in the left and right directions.

Preferably, the bottom plate comprises a cushion block, a rectangular groove is formed in the middle of the upper end face of the bottom plate, and the cushion block is arranged in the groove in a sliding mode; the upper side position of the circumferential side wall of the rotating shaft is provided with a steel sheet, and the steel sheet is provided with scale marks.

Preferably, the anti-rotation shaft comprises a rotation baffle and a U-shaped anti-rotation shaft, the front end and the rear end of the anti-rotation shaft are rotatably provided with two rotation baffles, and the shape and the size of the two rotation baffles are the same as the shape and the size of the longitudinal section of the anti-rotation shaft; two U-shaped anti-rotation shafts are inserted and installed on two fixing blocks above the two rotation shafts.

Preferably, the bidirectional screw rod comprises a nut, the bidirectional screw rod is fixedly mounted with the fixing block through the nut, two rectangular clamping grooves are symmetrically formed in the left end section and the right end section of the bidirectional screw rod, and two U-shaped rotation preventing shafts are inserted in the two rectangular clamping grooves in a sliding mode.

Preferably, the swivel nut comprises a clamping plate and a screw, the rear side of the inner side wall of the swivel nut is fixedly provided with one clamping plate through the screw, and the tail ends of the two U-shaped anti-rotation shaft rear side cross-brace shaft sections penetrate through and are inserted into the two clamping plates.

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

1. this practical front and back distance between two sets of fixed blocks can be adjusted, conveniently measures the bolt of different length, in addition this practicality has realized the function that the moment of torsion detected through simple mechanical transmission, compares and uses the tester to carry out the moment of torsion and detects, and purchasing cost is lower, this practicality compares with other moment of torsion detection devices, can measure the bolt of different specifications, and the suitability is more extensive, and the result of use is better.

2. The utility model discloses the steerable two nuts of two-way lead screw carry out reciprocating motion, drive the clamp plate and press from both sides tightly or loosen the bolt of surveying, and the interval between the clamp plate of two places can be adjusted according to the diameter size of the bolt of surveying, and the suitability is comparatively extensive, and two U types prevent that the rotation axis can avoid in the moment of torsion testing process, and the bolt of surveying leads to rotatory nut when rotating, prevents that the clamp plate from to the bolt clamping instability of surveying, influences the test result, the utility model is compared with other torque detection device, in carrying out the moment of torsion testing process, fasten the clamp of bolt more, and the test result is comparatively accurate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rear side structure of the present invention;

FIG. 3 is a bottom schematic view of the present invention;

FIG. 4 is a schematic view of the bottom plate structure of the present invention;

FIG. 5 is a schematic view of the fixing block structure of the present invention;

FIG. 6 is a schematic view of the structure of the two-way screw rod of the present invention;

FIG. 7 is a schematic view of the U-shaped anti-rotation shaft of the present invention;

in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base plate; 101. cushion blocks; 2. a rotation prevention shaft; 201. rotating the baffle; 202. a U-shaped rotation-preventing shaft; 3. a rotating shaft; 4. a fixed block; 5. a bidirectional screw rod; 501. a nut; 6. rotating the nut; 601. a clamping plate; 602. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 7, the present invention provides an embodiment: a high-strength bolt torque detection device for supervision comprises a base plate 1, wherein the base plate 1 is divided into a front part and a rear part, two anti-rotation shafts 2 are symmetrically inserted in the left side and the right side of the inner parts of the two base plates 1 in a penetrating manner, and a rotating shaft 3 is transversely inserted in the center position of the two base plates 1 in a rotating manner; two fixing blocks 4 are symmetrically welded at the left side and the right side of the upper end surface of the front side bottom plate 1, two sliding grooves are symmetrically arranged at the left side and the right side of the upper end surface of the rear side bottom plate 1 in a penetrating manner, and two fixing blocks 4 are slidably arranged in the two sliding grooves; threaded grooves are formed in the side walls of the left and right groups of fixed blocks 4 in a penetrating manner, and two bidirectional screw rods 5 are rotatably inserted between the left and right groups of fixed blocks 4; the middle sections of the two bidirectional screw rods 5 are provided with bidirectional threads, and the middle sections of the two bidirectional screw rods 5 are respectively provided with two rotary nuts 6 which are bilaterally symmetrical and rotatably arranged; the bottom plate 1 comprises a cushion block 101, a rectangular groove is formed in the middle of the upper end face of the bottom plate 1, and the cushion block 101 is arranged in the groove in a sliding mode; the upside position of 3 circumference lateral walls of pivot is provided with a steel sheet, be provided with the scale mark on this steel sheet, distance between two sets of fixed blocks 4 can be adjusted around, conveniently measure the bolt of different length, during the use, it fixes between two clamp plates 601 to screw up the back clamp tightly with the bolt of surveying, then rotate front side bottom plate 1, it is rotatory to drive the bolt of surveying, continue to screw up the bolt of surveying, in the twinkling of an eye when the bolt of surveying is rotated suddenly by static, note 1 pivoted angle of front side bottom plate, then calculate out the moment of torsion size of the bolt of surveying according to moment of torsion and torsion angle formula, the utility model discloses a simple mechanical transmission has realized the function of moment of torsion detection, compare and use the tester to carry out the moment of torsion and detect, purchase cost is lower.

Further, the anti-rotation shaft 2 comprises a rotation baffle 201 and a U-shaped anti-rotation shaft 202, two rotation baffles 201 are rotatably mounted at the front end and the rear end of the anti-rotation shaft 2, and the shape and the size of the two rotation baffles 201 are the same as the shape and the size of the longitudinal section of the anti-rotation shaft 2; two U-shaped anti-rotation shafts 202 are installed on two fixing blocks 4 at positions above two rotating shafts 2 in an inserting mode, the anti-rotation shafts 2 can avoid relative rotation of two bottom plates 1, when torque is measured, the rotating baffle plates 201 can rotate at two positions, the side walls of the rotating baffle plates 201 at two positions are not stopped and lean on the front side wall and the rear side wall of the bottom plates 1, then the anti-rotation shafts 2 are disassembled, torque testing is conducted, the utility model discloses an anti-rotation shafts 2 prevent relative rotation between each part, and anti-rotation shafts 2 are used for fixing a device, and the device is convenient to disassemble.

Further, the bidirectional screw rod 5 comprises a nut 501, the bidirectional screw rod 5 is fixedly mounted with the fixing block 4 through the nut 501, two rectangular clamping grooves are symmetrically formed in the left end section and the right end section of the bidirectional screw rod 5, two U-shaped rotation preventing shafts 202 are inserted in the two rectangular clamping grooves in a sliding mode, the bidirectional screw rod 5 can control the two nuts 501 to reciprocate, the clamping plates 601 are driven to clamp or loosen the tested bolt, the distance between the two clamping plates 601 can be adjusted according to the diameter of the tested bolt, and the applicability is wide.

Further, swivel nut 6 includes clamp plate 601 and screw 602, there is a clamp plate 601 at the rear side position of 6 inside walls of swivel nut through screw 602 fixed mounting, and two U types prevent that the end of 202 rear side stull sections of pivot runs through the grafting on two clamp plate 601, two U types prevent that pivot 202 can avoid in the torque test process, lead to swivel nut 6 rotatory when the bolt that surveys rotates, prevent that clamp plate 601 from to survey the bolt clamping unstability, influence the test result, the utility model discloses compare with other torque detection device, carrying out the torque detection in-process, fasten more to the clamp of bolt, the test result is comparatively accurate.

The working principle is as follows: when in use, the two rotating baffles 201 can be rotated to ensure that the side walls of the two rotating baffles 201 are not abutted against the front and rear side walls of the bottom plate 1 any more, then the anti-rotating shaft 2 is dismounted, torque test is carried out, during the test, the tested bolt is tightened and then clamped and fixed between the two clamping plates 601, then the front side bottom plate 1 is rotated to drive the tested bolt to rotate, the tested bolt is continuously tightened, when the tested bolt suddenly rotates from a static state, the rotating angle of the front side bottom plate 1 is recorded, then the torque of the tested bolt is calculated according to a torque and torsion angle formula, the distance between the front and rear two groups of fixed blocks 4 can be adjusted, bolts with different lengths can be conveniently measured, in addition, the two nuts 501 can be controlled by the bidirectional screw rod 5 to carry out reciprocating motion to drive the clamping plates 601 to clamp or loosen the tested bolt, the distance between the two clamping plates 601 can be adjusted according to the diameter of the tested bolt, the applicability is comparatively extensive, and two U types can be avoided in the moment of torsion test process to the pivot 202 is prevented to the department, leads to swivel nut 6 rotatory when surveying the bolt rotation, prevents that clamp plate 601 from to surveying the bolt clamping unstability, influencing the test result.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high strength bolt torque detection device for supervision which characterized in that: the anti-rotation device comprises a bottom plate (1), wherein the bottom plate (1) is divided into a front part and a rear part, two anti-rotation shafts (2) are symmetrically inserted in the left side and the right side of the inner parts of the two bottom plates (1) in a penetrating manner, and a rotation shaft (3) is transversely inserted in the center positions of the two bottom plates (1) in a rotating manner; two fixing blocks (4) are symmetrically welded at the left side and the right side of the upper end surface of the front side bottom plate (1), two sliding grooves are symmetrically arranged at the left side and the right side of the upper end surface of the rear side bottom plate (1) in a penetrating manner, and the two fixing blocks (4) are slidably mounted in the two sliding grooves; threaded grooves are formed in the side walls of the left and right groups of fixed blocks (4) in a penetrating manner, and two bidirectional screw rods (5) are rotatably inserted between the left and right groups of fixed blocks (4); the middle sections of the two bidirectional screw rods (5) are provided with bidirectional threads, and the middle sections of the two bidirectional screw rods (5) are symmetrically and rotatably provided with two rotary nuts (6).

2. The high-strength bolt torque detection device for proctoring as claimed in claim 1, wherein: the bottom plate (1) comprises a cushion block (101), a rectangular groove is formed in the middle of the upper end face of the bottom plate (1), and the cushion block (101) is arranged in the groove in a sliding mode; the upper side position of the circumferential side wall of the rotating shaft (3) is provided with a steel sheet, and the steel sheet is provided with scale marks.

3. The high-strength bolt torque detection device for proctoring as claimed in claim 1, wherein: the anti-rotation shaft (2) comprises a rotation baffle (201) and a U-shaped anti-rotation shaft (202), the front end and the rear end of the anti-rotation shaft (2) are rotatably provided with two rotation baffles (201), and the shape and the size of the two rotation baffles (201) are the same as the shape and the size of the longitudinal section of the anti-rotation shaft (2); two U-shaped rotation-preventing shafts (202) are inserted and installed on the two fixing blocks (4) above the two rotation shafts (2).

4. The high-strength bolt torque detection device for proctoring as claimed in claim 1, wherein: the bidirectional screw rod (5) comprises a nut (501), the bidirectional screw rod (5) is fixedly installed with the fixing block (4) through the nut (501), two rectangular clamping grooves are symmetrically formed in the left end section and the right end section of the bidirectional screw rod (5), and two U-shaped rotation preventing shafts (202) are inserted in the two rectangular clamping grooves in a sliding mode.

5. The high-strength bolt torque detection device for proctoring as claimed in claim 1, wherein: the rotary nut (6) comprises a clamping plate (601) and a screw (602), the rear side position of the inner side wall of the rotary nut (6) is fixedly provided with one clamping plate (601) through the screw (602), and the tail ends of the rear side cross-bracing shaft sections of the two U-shaped anti-rotation shafts (202) penetrate through and are inserted into the two clamping plates (601).