CN216695560U

CN216695560U - Detection device for bolt looseness

Info

Publication number: CN216695560U
Application number: CN202220308786.3U
Authority: CN
Inventors: 闫晓宇; 袁广民; 谭海峰
Original assignee: Shanxi Ruixiang Micro Nano Sensor Technology Co ltd
Current assignee: Shanxi Ruixiang Micro Nano Sensor Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-07
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a detection device for bolt loosening, which comprises: the top end of the upper disc body is fixedly connected with a controller, a motor is fixedly connected in the upper disc body, and the controller is electrically connected with the motor; the lower disc body is positioned below the upper disc body, a torsion sensor is arranged between the upper disc body and the lower disc body, one end of the torsion sensor is coaxially and fixedly connected with an output shaft of the motor, and the other end of the torsion sensor is fixedly connected with the bottom end of the lower disc body; the clamping mechanism comprises clamping heads symmetrically connected to the bottom end of the lower disc body in a sliding mode, an adjusting knob is installed on the side wall of the lower disc body, and the two clamping heads are in transmission connection with the adjusting knob.

Description

Detection device for bolt looseness

Technical Field

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

Background

The bolt mainly plays a fastening role in application, and is easy to disassemble, so that the bolt is the first choice for the fastener in various industries and applications, however, the bolt is easy to generate the problem of spontaneous loosening and losing pretightening force, and the bolt is applied under different conditions; loosening of bolts has different consequences, and loosening of one bolt may cause the whole set of production equipment to be in a stagnation state, thereby causing great economic loss, and even loose bolts may cause serious safety hazards.

The bolt often arouses not hard up phenomenon because vibrations arouse not hard up, and the material warp also can arouse not hard up of bolt, carries out the not hard up detection of bolt to the bolt, and is very necessary, and current bolt not hard up detection device detection efficiency is low, can not be fine satisfies the detection needs, and the most only can detect one kind or several kinds of fixed dimension's bolt of current detection device simultaneously, and the commonality is not good, leads to the not increase of the one-tenth that the bolt becomes flexible and detects.

Therefore, it is desirable to design a bolt loosening detection device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a detection device for bolt loosening, which comprises:

the top end of the upper disc body is fixedly connected with a controller, a motor is fixedly connected in the upper disc body, and the controller is electrically connected with the motor;

the lower disc body is positioned below the upper disc body, a torsion sensor is arranged between the upper disc body and the lower disc body, one end of the torsion sensor is coaxially and fixedly connected with an output shaft of the motor, and the other end of the torsion sensor is fixedly connected with the bottom end of the lower disc body;

the clamping mechanism comprises clamping heads symmetrically connected to the bottom end of the lower disc body in a sliding mode, an adjusting knob is installed on the side wall of the lower disc body, and the two clamping heads are in transmission connection with the adjusting knob.

Preferably, the bottom end of the lower disc body is provided with a sliding groove, a bidirectional screw rod is rotatably connected in the sliding groove, and the adjusting knob is connected with the bidirectional screw rod; the bidirectional screw rod is symmetrically and threadedly sleeved with sliding blocks, the sliding blocks are in sliding connection with the sliding grooves, and the two clamping heads are fixedly connected with the two sliding blocks respectively.

Preferably, a fixed block is fixedly connected to the side wall of the lower disc body, the adjusting knob is located on one side, far away from the lower disc body, of the fixed block, a plurality of limiting holes are formed in one side, close to the adjusting knob, of the fixed block, the limiting holes are distributed at equal intervals along the circumferential direction, and a limiting rod matched with the limiting holes is fixedly connected to one side, close to the fixed block, of the adjusting knob; the two-way screw rod is elastically limited and connected with a sliding rod in a sliding manner in the end part close to the adjusting knob, and one end of the sliding rod close to the adjusting knob is fixedly connected with the adjusting knob.

Preferably, a slide way is arranged in the end part of the bidirectional screw rod close to the adjusting knob, and the slide rod is arranged in the slide way; a plurality of limiting grooves are formed in the inner wall of the slide way in the circumferential direction at equal intervals, a plurality of limiting blocks matched with the limiting grooves are fixedly connected to the outer wall of the slide rod, and the limiting blocks are in sliding connection with the limiting grooves; the slide is kept away from adjusting knob one side inner wall rigid coupling has the spring, the end of spring with the slide bar is kept away from adjusting knob's one end rigid coupling.

Preferably, the clamping head comprises two clamping plates which are arranged at 60 degrees, the two clamping plates are fixedly connected with the sliding block, and a plurality of anti-skidding grooves are formed in the two clamping plates.

Preferably, the controller comprises a handle fixedly connected to the top end of the upper disc body, a switch is mounted on the handle, and the switch is electrically connected with the motor.

Preferably, a storage battery is fixedly connected in the upper disc body, and the motor and the torque sensor are electrically connected with the storage battery.

Preferably, a display screen is fixedly embedded at the top end of the upper disc body, and the storage battery and the torque sensor are electrically connected with the display screen.

The utility model discloses the following technical effects:

when the bolt clamping device is used, the clamping head is close to a bolt to be detected, the adjusting knob is rotated to enable the clamping head to clamp the bolt, the switch is pressed, the motor runs, the torque sensor can detect the torque force due to the fact that a detection person holds the handle, the torque force is further displayed on the display, and the detection person can judge whether the bolt is loosened or not according to the displayed numerical value. This device detects convenient and fast, can let the more audio-visual observation testing result of testing personnel through setting up the display, can make this device can be applicable to the detection of the hexagon head bolt of different specifications through setting up adjustable holding head, and general degree is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is an isometric view of a bolt loosening detection device of the present invention;

FIG. 2 is a cross-sectional view of a bolt loosening detection device of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

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

FIG. 5 is a schematic structural view of an adjusting knob and a slide bar according to the present invention;

FIG. 6 is a schematic view of the structure of the gripping head of the present invention;

FIG. 7 is a top view of the gripping head of the present invention;

wherein, 1, an upper tray body; 2. a handle; 3. a display screen; 4. a connecting cylinder; 5. a lower tray body; 6. adjusting a knob; 7. a clamping head; 8. a fixed block; 9. an anti-slip groove; 10. a limiting rod; 11. a slide bar; 12. a limiting block; 13. a limiting hole; 14. a chute; 15. a bidirectional screw; 16. a slideway; 17. a slider; 18. a limiting groove; 19. a spring; 20. a switch; 21. a storage battery; 22. a motor; 23. a torque sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1 to 7, the present invention provides a bolt loosening detection device, including:

the automatic feeding device comprises an upper tray body 1, wherein a controller is fixedly connected to the top end of the upper tray body 1, a motor 22 is fixedly connected to the inside of the upper tray body 1, and the controller is electrically connected with the motor 22;

the lower tray body 5 is positioned below the upper tray body 1, a torsion sensor 23 is arranged between the upper tray body 1 and the lower tray body 5, one end of the torsion sensor 23 is coaxially and fixedly connected with an output shaft of the motor 22, and the other end of the torsion sensor 23 is fixedly connected with the bottom end of the lower tray body 5;

the clamping mechanism comprises clamping heads 7 symmetrically connected to the bottom end of the lower disc body 5 in a sliding mode, adjusting knobs 6 are installed on the side walls of the lower disc body 5, and the two clamping heads 7 are in transmission connection with the adjusting knobs 6.

Furthermore, the bottom end of the upper tray body 1 is slidably connected with a connecting cylinder 4, the bottom end of the connecting cylinder 4 is fixedly connected with the lower tray body 5, and the torque sensor 23 is positioned in the connecting cylinder 4.

Further, a sliding groove 14 is formed in the bottom end of the lower disc body 5, a bidirectional screw rod 15 is rotatably connected in the sliding groove 14, and the adjusting knob 6 is connected with the bidirectional screw rod 15; the bidirectional screw 15 is symmetrically and threadedly sleeved with sliding blocks 17, the sliding blocks 17 are in sliding connection with the sliding grooves 14, and the two clamping heads 7 are fixedly connected with the two sliding blocks 17 respectively.

Through rotating adjusting knob 6, adjusting knob 6 drives two-way lead screw 15 and rotates, and two-way lead screw 15 rotates and drives two sliders 17 and be close to each other or keep away from each other for this detection device can be applicable to the hexagon head bolt of different specifications.

Further, a fixed block 8 is fixedly connected to the side wall of the lower tray body 5, the adjusting knob 6 is located on one side, far away from the lower tray body 5, of the fixed block 8, a plurality of limiting holes 13 are formed in one side, close to the adjusting knob 6, of the fixed block 8, the limiting holes 13 are distributed equidistantly in the circumferential direction, and a limiting rod 10 matched with the limiting holes 13 is fixedly connected to one side, close to the fixed block 8, of the adjusting knob 6; the bidirectional screw rod 15 is elastically limited and connected with a sliding rod 11 in a sliding manner in the end part close to the adjusting knob 6, and one end of the sliding rod 11 close to the adjusting knob 6 is fixedly connected with the adjusting knob 6.

Further, a slide way 16 is arranged in the end part, close to the adjusting knob 6, of the bidirectional screw rod 15, and the slide rod 11 is arranged in the slide way 16; a plurality of limiting grooves 18 are circumferentially and equidistantly formed in the inner wall of the slide rail 16, a plurality of limiting blocks 12 matched with the limiting grooves 18 are fixedly connected to the outer wall of the slide bar 11, and the limiting blocks 12 are in sliding connection with the limiting grooves 18; the slide 16 is far away from the inner wall of one side of the adjusting knob 6 and fixedly connected with a spring 19, and the tail end of the spring 19 is fixedly connected with one end, far away from the adjusting knob 6, of the slide bar 11.

When the distance between the two clamping heads 7 needs to be adjusted, the adjusting knob 6 is pulled to enable the limiting rod 10 on the adjusting knob 6 to be separated from the limiting hole 13, the adjusting knob 6 is rotated, due to the existence of the limiting groove 18 and the limiting block 12, the adjusting knob 6 rotates to drive the slide bar 11 to rotate, the slide bar 11 drives the bidirectional screw 15 to rotate to realize the adjustment of the distance between the two clamping heads 7, so as to clamp the outer hexagon head bolt or clamp the outer hexagon head bolt in the groove of the inner hexagon head bolt, the device can be suitable for the hexagon head bolts with different specifications, after the adjustment is finished, the limiting rod 10 is aligned with the nearest limiting hole 13, the adjusting knob 6 is loosened, the adjusting knob 6 is restored under the action of the spring 19, the limiting rod 10 enters the limiting hole 13 again, whether the in-process that detects the bolt not hard up can prevent that the centre gripping of clamping head 7 to the bolt is lax, influences the testing result.

Furthermore, the clamping head 7 comprises two clamping plates which are arranged at 60 degrees and fixedly connected with each other, the two clamping plates are fixedly connected with the sliding block 17, and a plurality of anti-skidding grooves 9 are formed in the two clamping plates. The clamping head 7 is formed by two clamping plates which are arranged by 60 degrees and can adapt to the structure of the hexagon bolt, the clamping effect on the hexagon bolt is better, the detection result is more accurate, the anti-slip groove 9 can prevent slipping, and the clamping effect is further ensured.

Further, the controller comprises a handle 2 fixedly connected to the top end of the upper tray body 1, a switch 20 is mounted on the handle 2, and the switch 20 is electrically connected with the motor 22. Whether the motor 22 operates or not can be controlled by pressing or loosening the switch 20, and the bolt looseness detection is quicker and more convenient.

Further, in order to make the device more portable, a storage battery 21 is fixedly connected in the upper tray body 1, and the motor 22 and the torque sensor 23 are electrically connected with the storage battery 21.

Further, the display screen 3 is fixedly embedded in the top end of the upper tray body 1, and the storage battery 21 and the torque sensor 23 are electrically connected with the display screen 3. Data detected by the torque sensor 23 are displayed on the display screen 3, so that a detector can more visually know whether the bolt is loosened.

The working process is as follows: the clamping head 7 is close to the bolt to be detected, the adjusting knob 6 is rotated to enable the clamping head 7 to clamp the bolt, the switch 20 is pressed, the motor 22 runs, and the detecting personnel hold the handle 2, so that the torque sensor 23 can detect torque and further display the torque on the display, and the detecting personnel judge whether the bolt is loosened or not through the displayed numerical value. This device detects convenient and fast, can let the more audio-visual observation testing result of testing personnel through setting up the display, can make this device can be applicable to the detection of the hexagon head bolt of different specifications through setting up adjustable holding head 7, and general degree is high.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a bolt is not hard up uses detection device which characterized in that includes:

the automatic feeding device comprises an upper tray body (1), wherein a controller is fixedly connected to the top end of the upper tray body (1), a motor (22) is fixedly connected to the inside of the upper tray body (1), and the controller is electrically connected with the motor (22);

the lower tray body (5) is positioned below the upper tray body (1), a torsion sensor (23) is arranged between the upper tray body (1) and the lower tray body (5), one end of the torsion sensor (23) is coaxially and fixedly connected with an output shaft of the motor (22), and the other end of the torsion sensor (23) is fixedly connected with the bottom end of the lower tray body (5);

the clamping mechanism comprises clamping heads (7) symmetrically connected to the bottom end of the lower disc body (5) in a sliding mode, an adjusting knob (6) is installed on the side wall of the lower disc body (5), and the clamping heads (7) are in transmission connection with the adjusting knob (6).

2. The bolt loosening detection device according to claim 1, wherein: a sliding groove (14) is formed in the bottom end of the lower disc body (5), a bidirectional screw rod (15) is rotatably connected to the sliding groove (14), and the adjusting knob (6) is connected with the bidirectional screw rod (15); the bidirectional screw rod (15) is symmetrically and threadedly provided with a sliding block (17), the sliding block (17) is in sliding connection with the sliding groove (14), and the two clamping heads (7) are fixedly connected with the two sliding blocks (17) respectively.

3. The detection device for bolt loosening according to claim 2, wherein: a fixed block (8) is fixedly connected to the side wall of the lower tray body (5), the adjusting knob (6) is located on one side, far away from the lower tray body (5), of the fixed block (8), a plurality of limiting holes (13) are formed in one side, close to the adjusting knob (6), of the fixed block (8), the limiting holes (13) are distributed at equal intervals in the circumferential direction, and a limiting rod (10) matched with the limiting holes (13) is fixedly connected to one side, close to the fixed block (8), of the adjusting knob (6); the bidirectional screw rod (15) is close to the end part of the adjusting knob (6), the end part of the bidirectional screw rod is elastically limited and connected with a sliding rod (11) in a sliding mode, and one end, close to the adjusting knob (6), of the sliding rod (11) is fixedly connected with the adjusting knob (6).

4. The bolt loosening detection device according to claim 3, wherein: a slide way (16) is arranged in the end part, close to the adjusting knob (6), of the bidirectional screw rod (15), and the slide rod (11) is arranged in the slide way (16); a plurality of limiting grooves (18) are formed in the inner wall of the slide way (16) at equal intervals in the circumferential direction, a plurality of limiting blocks (12) matched with the limiting grooves (18) are fixedly connected to the outer wall of the slide rod (11), and the limiting blocks (12) are in sliding connection with the limiting grooves (18); slide (16) are kept away from adjusting knob (6) one side inner wall rigid coupling has spring (19), the end of spring (19) with slide bar (11) are kept away from the one end rigid coupling of adjusting knob (6).

5. The bolt loosening detection device according to claim 2, wherein: the clamping head (7) comprises two clamping plates which are arranged at 60 degrees and fixedly connected with each other, the two clamping plates are fixedly connected with the sliding block (17), and a plurality of anti-skidding grooves (9) are formed in the two clamping plates.

6. The detection device for bolt loosening according to claim 1, wherein: the controller includes the rigid coupling and is in handle (2) on upper tray body (1) top, install switch (20) on handle (2), switch (20) with motor (22) electric connection.

7. The bolt loosening detection device according to claim 1, wherein: a storage battery (21) is fixedly connected into the upper plate body (1), and the motor (22) and the torque sensor (23) are electrically connected with the storage battery (21).

8. The bolt loosening detection device according to claim 7, wherein: go up fixed the inlaying in disk body (1) top and be equipped with display screen (3), battery (21) with torque sensor (23) all with display screen (3) electric connection.