CN220912880U - Torsion detection device - Google Patents

Abstract

The utility model discloses a torsion detection device, which comprises a cabinet body, wherein one end of the top of the cabinet body is provided with a screw fixing mechanism for fixing a bolt and a screw part and a torsion applying mechanism for applying torsion to the head of a bolt; the screw fixing mechanism includes: the device comprises fixing blocks, two-way screw rods, clamping blocks and arc-shaped grooves, wherein the fixing blocks are provided with a pair of fixing blocks which are fixed at the top of a cabinet body, the two-way screw rods are rotatably arranged between the pair of fixing blocks, and a first driving motor for driving the two-way screw rods to rotate is arranged on one of the fixing blocks; the clamping blocks are arranged on the bidirectional screw rod in a threaded sleeve mode, and the two clamping blocks are symmetrically arranged and are in sliding fit with the upper surface of the cabinet body. The screw rod part of the detected bolt can be rotated and limited on the basis of being fixed by the ring buckle, so that the screw rod is fixed more stably and effectively, the phenomenon that the screw rod part slips in the bolt torsion detection process is avoided, and the bolt torsion detection can be smoothly carried out.

Description

Torsion detection device

Technical Field

The utility model relates to the technical field of torsion detection, in particular to a torsion detection device.

Background

The screw is a tool for gradually fastening a machine part by utilizing the physical and mathematical principles of the inclined plane circular rotation and friction force of an object, people often need to install or reform something in home, often use screws for fixation, often do not know the torsion of the screws, use too much force to cause the breakage of the screws on a wall body and the like, and generally screw manufacturers can detect the quality of the screws before leaving the factory, wherein the torsion is detected to prevent the breakage problem caused by too much force in the use process of the screws.

In the prior art, the utility model with the application number of 201820008276.8 discloses a torsion applying device for detecting bolt torsion, which comprises a fixed table and a torsion applying device for detecting bolt torsion, wherein a detected bolt is inserted into a through hole, a rotating handle is rotated, a threaded rod drives a fastening plate to move, so that a screw rod of the detected bolt is fixed, the threaded rod is fixed by the fixed bolt, a second motor drives a rotary table to rotate, the rotary table drives a driven rod to move, the driven rod further pushes a connecting block and a rack to move, a rack further drives a transmission gear to rotate, the transmission gear further drives a driving gear to rotate, and the driving gear further drives a fixed arm to clamp and fix the head of the detected bolt.

However, in the practical detection application process of the screw torsion, the applicant finds that in the technical scheme, the screw is clamped and fixed by adopting a pair of fastening plates, but because the screw is of a cylindrical structure as a whole, the clamping of the fastening plates is only adopted, and the phenomenon that the screw slips between the fastening plates easily occurs along with the increase of the detection applied torsion, so that the normal detection of the screw torsion is affected.

Disclosure of utility model

The utility model aims to provide a torsion detection device, wherein the screw rod part of a detected bolt can be rotated and limited on the basis of being fixed by a ring buckle, so that the fixation of the screw rod is more stable and effective, the phenomenon that the screw rod part slips in the bolt torsion detection process is avoided, and the bolt torsion detection can be smoothly carried out.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The torsion detection device comprises a cabinet body, wherein one end of the top of the cabinet body is provided with a screw fixing mechanism for fixing a screw part of a bolt and a torsion applying mechanism for applying torsion to the head of the bolt; the screw fixing mechanism includes: the device comprises fixing blocks, two-way screw rods, clamping blocks and arc-shaped grooves, wherein the fixing blocks are provided with a pair of fixing blocks which are fixed at the top of a cabinet body, the two-way screw rods are rotatably arranged between the pair of fixing blocks, and a first driving motor for driving the two-way screw rods to rotate is arranged on one of the fixing blocks; the clamping blocks are sleeved on the bidirectional screw rod in a threaded manner, and the two clamping blocks are symmetrically arranged and are in sliding fit with the upper surface of the cabinet body; the arc-shaped grooves are arranged on one surface of the two clamping blocks, which is opposite to the clamping blocks, and the arc-shaped inner walls of the arc-shaped grooves are provided with abutting strips capable of being pressed into the bolt and screw portions.

Preferably, the top of one surface of each clamping block is embedded with an embedded block, the arc-shaped groove is formed in the embedded block, the clamping blocks are penetrated with connecting screws, and the connecting screws are in threaded connection with the embedded blocks.

Preferably, the abutting strips are arranged in a conical structure and are vertically distributed, and a plurality of abutting strips are arranged along the arc inner wall of the arc groove.

Preferably, a supporting table is arranged at the middle part between the two clamping blocks, and the bidirectional screw rod penetrates through the supporting table.

Preferably, the upper surface of the supporting table is lower than the bottom end surface of the embedded block, and the bottoms of the opposite surfaces of the two clamping blocks are provided with matching grooves matched with the supporting table.

Preferably, the torsion applying mechanism comprises an electric telescopic rod vertically arranged at the top of the cabinet body, the electric telescopic rods are provided with four electric telescopic rods and uniformly distributed around two clamping blocks, top plates are jointly arranged at the top ends of the electric telescopic rods, a second driving motor is arranged on the top plates, the second driving motor and the supporting table are coaxially arranged, and an output shaft of the second driving motor is vertically downward and provided with a chuck.

Preferably, a torque sensor is arranged between the chuck and the output shaft of the second driving motor, and a torsion testing host connected with the torque sensor, the second driving motor and the first driving motor is arranged at the top of the cabinet body.

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

According to the utility model, the two clamping blocks are in threaded fit with the bidirectional screw rod, the first driving motor is started to drive the two clamping blocks to mutually approach and slide, the arc grooves arranged on the opposite sides of the two clamping blocks are utilized to fix the screw rod part of the bolt in a ring-buckling manner, in addition, as the two clamping blocks are continuously approached, the abutting strips of the conical structures on the arc surfaces of the arc grooves are extruded and embedded into the screw rod part of the bolt, so that the screw rod part of the detected bolt can be rotated and limited through the embedding of the abutting strips on the basis of being fixed by the ring-buckling manner, compared with the mode of clamping and fixing the screw rod by adopting the fastening plate in the prior art, the screw rod stress surface is larger in the mode of ring-buckling fixation, the screw rod is rotated and limited through the abutting strips, the fixation of the screw rod is more stable and effective, the phenomenon that the screw rod part slides in the torque detection process of the bolt is avoided, and the torque detection of the bolt can be smoothly carried out.

According to the utility model, the arc-shaped groove is formed on the embedded block embedded in the clamping block, and the embedded block is fixedly connected with the clamping block by using the connecting screw, so that the arc-shaped groove and the abutting strip are conveniently assembled, replaced and maintained, and the clamping block is more practical.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

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

FIG. 2 is a schematic view of the screw fixing mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of the fitting block of the present utility model;

FIG. 4 is a schematic view of the structure of the support table of the present utility model;

fig. 5 is a schematic structural view of the torsion applying mechanism of the present utility model.

In the figure: 1. a cabinet body; 2. a screw fixing mechanism; 3. a torque force applying mechanism; 4. twisting a test host; 5. a fixed block; 6. a two-way screw rod; 7. a clamping block; 8. a first driving motor; 9. an arc-shaped groove; 10. a tightening strip; 11. a mating groove; 12. a fitting block; 13. a support table; 14. a connecting screw; 15. an electric telescopic rod; 16. a top plate; 17. a second driving motor; 18. a chuck; 19. a torque sensor.

Detailed Description

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Examples

Referring to fig. 1 to 5, the present utility model preferably provides the following technical solutions: the utility model provides a torsion detection device, includes cabinet body 1, and cabinet body 1 top one end is provided with the screw rod fixed establishment 2 that is used for bolt screw rod part fixed and is used for applying torsion to the torsion applying mechanism 3 of bolt head, utilizes screw rod fixed establishment 2 and torsion applying mechanism 3 to be fixed bolt screw rod part and head respectively to apply torsion to the bolt head, through the torsion of calculating the application, can be used for detecting the torsion of bolt.

In the present embodiment, the screw fixing mechanism 2 includes: the two-way screw rod 6 is rotatably arranged between the pair of fixed blocks 5, a first driving motor 8 for driving the two-way screw rod 6 to rotate is arranged on one fixed block 5, and the two-way screw rod 6 is horizontally arranged; the clamping blocks 7 are sleeved on the bidirectional screw rod 6 in a threaded manner, two clamping blocks 7 are symmetrically arranged and are in sliding fit with the upper surface of the cabinet body 1, and when the first driving motor 8 drives the bidirectional screw rod 6 to rotate, the two clamping blocks 7 can be driven to slide close to each other; the arc-shaped grooves 9 are arranged on one surface of the two clamping blocks 7, and when the two clamping blocks 7 slide close to each other, the arc-shaped grooves 9 arranged on one surface of the two clamping blocks 7 are used for fixing the screw rod part of the bolt in a ring buckle manner; be provided with on the circular arc inner wall of arc recess 9 can impress the tight strip 10 of support of bolt screw rod part, when two grip blocks 7 last to be close to, the tight strip 10 of support on the arc face of arc recess 9 is by the screw rod part of extrusion embedding bolt, from this, the screw rod part of detected bolt is by the fixed basis of latch closure, utilize the embedding of supporting tight strip 10 to rotate spacingly, compare in prior art adopts the mode that the fastening plate was fixed to the screw rod centre gripping, the mode screw rod stress surface of latch closure is bigger, and the screw rod is through the tight strip 10 rotation spacing of support, it is more stable effective to the fixed of screw rod, avoid the phenomenon that screw rod part slipped in the bolt torsion testing process, ensure that bolt torsion detection can go on smoothly.

In this embodiment, the torque applying mechanism 3 includes four electric telescopic rods 15 vertically installed at the top of the cabinet body 1, the electric telescopic rods 15 are disposed around two clamping blocks 7 and are uniformly distributed, top boards 16 are jointly installed at the top ends of the four electric telescopic rods 15, a second driving motor 17 is installed on the top boards 16, the second driving motor 17 and the supporting table 13 are coaxially arranged, an output shaft of the second driving motor 17 is vertically downward and provided with a chuck 18, a torque sensor 19 is installed between the chuck 18 and the output shaft of the second driving motor 17 and used for sensing torque for obtaining rotation output of the chuck 18 driven by the second driving motor 17, a torsion testing host 4 in control connection with the torque sensor 19, the second driving motor 17 and the first driving motor 8 is installed at the top of the cabinet body 1, the chuck 18 is any one of the two types on the market, and in order to ensure stable clamping of the heads of bolts, and the number of clamping jaws of the chuck 18 should be not less than three. Through this structural style, after the screw rod part of bolt utilizes two grip blocks 7 to fix, control lead screw electric telescopic rod 15 to drive roof 16 whole and move down, use chuck 18 to fix the head centre gripping of bolt, control second driving motor 17 start drive chuck 18 rotatory, apply torsion to the bolt head, until the bolt breaks, perhaps until the torsion that the screw design was bearable, obtain chuck 18 rotation through having twisted test host computer 4 and torque sensor 19 cooperation response and applyed torsion to the bolt, reach the purpose to bolt torsion detection.

As a preferred practical manner in this embodiment, the top of one surface of the two clamping blocks 7 opposite to each other is embedded with the embedded block 12, the arc-shaped groove 9 is opened on the embedded block 12, the clamping block 7 is penetrated with the connecting screw 14, and the connecting screw 14 is in threaded connection with the embedded block 12, so that the embedded block 12 is convenient to assemble, and further the assembly, the replacement and the maintenance of the arc-shaped groove 9 and the abutting strip 10 are convenient. The tight strip 10 of support sets up to toper structure and vertical distribution, supports tight strip 10 and is provided with many along the arc inner wall of arc recess 9, and the tight strip 10 of support of vertical toper structure is favorable to being pressed in the screw rod of embedding bolt, and many tight strips 10 of support are extrudeed the rotation positioning effect of embedding screw rod part to the bolt simultaneously.

As a preferable facts mode of the embodiment, a supporting table 13 is arranged at the middle between the two clamping blocks 7, the bidirectional screw rod 6 penetrates through the supporting table 13, and the supporting table 13 is used for supporting the bottom end of the screw rod of the detected bolt, so that the bottom end of the screw rod is prevented from being in interference with the bidirectional screw rod 6. The upper surface of the supporting table 13 is lower than the bottom end surface of the embedded block 12, and the bottoms of the opposite surfaces of the two clamping blocks 7 are provided with a matching groove 11 matched with the supporting table 13, so that the supporting table 13 is prevented from influencing the clamping and fixing of the two clamping blocks 7 to the detected bolt and screw parts.

When the torsion detection device detects the torsion of a bolt, the screw rod part of the bolt is vertically arranged between two clamping blocks 7, the end part of the screw rod is aligned and abutted with a supporting table 13, then a first driving motor 8 is controlled to start to drive a bidirectional screw rod 6 to rotate, a pair of clamping blocks 7 are driven to slide close to each other, the screw rod part of the bolt is fastened and fixed by an arc-shaped groove 9 arranged on the opposite side of the two clamping blocks 7, in addition, as the two clamping blocks 7 are continuously abutted, a plurality of conical-structure abutting strips 10 on the arc-shaped surface of the arc-shaped groove 9 are extruded and embedded into the screw rod part of the bolt, therefore, the screw rod part of the detected bolt is rotated and limited by the embedding of the abutting strips 10 on the basis of being fastened and fixed by the fastening plate, compared with the prior art, the fastening plate is adopted to clamp and fix the screw rod by the fastening mode, the screw rod bearing surface is larger, the screw rod is rotated and limited by the abutting strips 10, the fixing of the screw rod is more stable and effective, and the phenomenon of slipping of the screw rod part in the bolt torsion detection process is avoided. Further, after the screw portion of the bolt is effectively fixed, the screw rod electric telescopic rod 15 is controlled to drive the top plate 16 to integrally move downwards, the chuck 18 is used for clamping and fixing the head portion of the bolt, meanwhile, the second driving motor 17 is controlled to start to drive the chuck 18 to rotate, torsion is applied to the head portion of the bolt until the bolt is broken, or the torsion which can be born by the design of the screw is reached, the torsion applied to the bolt by the rotation of the chuck 18 is obtained through the induction of the torque sensor 19, and the purpose of detecting the torsion of the bolt is achieved.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.

The conception, specific structure, and technical effects produced by the present utility model are clearly and completely described above in connection with the embodiments and the drawings so as to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims (7)

1. A torsion detection device, characterized by comprising:

The novel anti-theft cabinet comprises a cabinet body (1), wherein one end of the top of the cabinet body (1) is provided with a screw fixing mechanism (2) for fixing a screw part of a bolt and a torsion applying mechanism (3) for applying torsion to the head of the bolt;

The screw fixing mechanism (2) includes:

A pair of fixed blocks (5) fixed at the top of the cabinet body (1), a bidirectional screw rod (6) is rotatably arranged between the pair of fixed blocks (5), and a first driving motor (8) for driving the bidirectional screw rod (6) to rotate is arranged on one fixed block (5);

the clamping blocks (7) are sleeved on the bidirectional screw rod (6), and the two clamping blocks (7) are symmetrically arranged and are in sliding fit with the upper surface of the cabinet body (1);

The arc-shaped grooves (9) are arranged on one opposite surfaces of the two clamping blocks (7), and the arc-shaped inner walls of the arc-shaped grooves (9) are provided with abutting strips (10) capable of being pressed into bolt and screw parts.

2. A torsion detecting apparatus according to claim 1, wherein: two the clamping blocks (7) are embedded with the embedded blocks (12) at the tops of one opposite surfaces, the arc-shaped grooves (9) are formed in the embedded blocks (12), the clamping blocks (7) are penetrated with connecting screws (14), and the connecting screws (14) are in threaded connection with the embedded blocks (12).

3. A torsion detecting apparatus according to claim 1, wherein: the abutting strips (10) are arranged in a conical structure and are vertically distributed, and a plurality of abutting strips (10) are arranged along the arc-shaped inner wall of the arc-shaped groove (9).

4. A torsion detecting apparatus according to claim 2, wherein: a supporting table (13) is arranged at the middle part between the two clamping blocks (7), and the bidirectional screw rod (6) penetrates through the supporting table (13).

5. The torsion detection apparatus according to claim 4, wherein: the upper surface of the supporting table (13) is lower than the bottom end surface of the embedded block (12), and the bottoms of the opposite surfaces of the two clamping blocks (7) are provided with matching grooves (11) matched with the supporting table (13).

6. A torsion detecting apparatus according to claim 1, wherein: the torsion applying mechanism (3) comprises an electric telescopic rod (15) vertically arranged at the top of the cabinet body (1), four electric telescopic rods (15) are arranged around two clamping blocks (7) and uniformly distributed, a top plate (16) is jointly arranged at the top end of each electric telescopic rod (15), a second driving motor (17) is arranged on the top plate (16), the second driving motor (17) and the supporting table (13) are coaxially arranged, and an output shaft of each second driving motor (17) is vertically downwards provided with a chuck (18).

7. The torsion detection apparatus according to claim 6, wherein: a torque sensor (19) is arranged between the chuck (18) and the output shaft of the second driving motor (17), and a torsion testing host (4) in control connection with the torque sensor (19), the second driving motor (17) and the first driving motor (8) is arranged at the top of the cabinet body (1).