CN210774665U

CN210774665U - Bolt looseness detection device based on video image

Info

Publication number: CN210774665U
Application number: CN201922013566.9U
Authority: CN
Inventors: 范钦南
Original assignee: Nanjing Huaderui Technology Co ltd
Current assignee: Nanjing Huaderui Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-06-16
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a bolt looseness detection device based on video image, including support, bolt detection sensor, step motor, signal amplifier and projection screen, the middle part of support is provided with the fixed plate, bolt detection sensor sets up the top at the fixed plate, the top outside of stripper bar is provided with the connection pad, step motor installs the below at the roof, the stripper bar is provided with the guide pin bushing with the junction of support, the projection screen sets up the right side at the support, the below of projection screen is provided with the plummer, the fixed block is installed to the front side of plummer, and the inside of fixed block is provided with rotatory piece to the fixed block passes through the dead lever and is connected with rotatory piece. This bolt looseness detection device based on video image is convenient for adjust the size of applying external force to the bolt, conveniently detects the not hard up condition of bolt, and can adjust the direction of projection screen, and the people of being convenient for watch the analysis.

Description

Bolt looseness detection device based on video image

Technical Field

The utility model relates to a bolt not hard up technical field specifically is a bolt is not hard up detection device based on video image.

Background

The bolt is a common fastener and widely applied to the fields of railways, vehicles, bridges, engineering equipment and the like, the bolt is mainly divided into a fixed type and a detachable type, most of the fixed type bolts are fixed through welding and belong to disposable products, and the detachable type bolts can be detached and used for multiple times, are easy to loosen and need periodic detection.

Present bolt looseness detection device based on video image detects through the manual work during most, and its detected data is not accurate, and the amount of labour is big, and video angle is fixed mostly, inconvenient adjustment, consequently, we propose a bolt looseness detection device based on video image to in solving the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt looseness detection device based on video image to solve the present bolt looseness detection device based on video image that above-mentioned background art provided, detect through the manual work during most, it detects data not accurate, and the amount of labour is big, and the most fixed of video angle, the problem of inconvenient adjustment.

In order to achieve the above object, the utility model provides a following technical scheme: a bolt looseness detection device based on video images comprises a support, a bolt detection sensor, a stepping motor, a signal amplifier and a projection screen, wherein a fixing plate is arranged in the middle of the support, a top plate is mounted at the top end of the fixing plate, the bolt detection sensor is arranged above the fixing plate, an extrusion rod is arranged above the bolt detection sensor, a connecting disc is arranged on the outer side of the top of the extrusion rod, a gear is arranged on the left side of the outer side of the connecting disc, the stepping motor is mounted below the top plate, the output end of the stepping motor is connected with the gear, a guide sleeve is arranged at the joint of the extrusion rod and the support, a connector is connected to the bottom end of the extrusion rod, the projection screen is arranged on the right side of the support, the signal amplifier is arranged between the projection screen and the bolt detection sensor, a bearing table is arranged below the projection, and the draw-in groove has been seted up to the front end bottom of plummer, the fixed block is installed to the front side of plummer, and the inside of fixed block is provided with rotatory piece to the fixed block passes through the dead lever and is connected with rotatory piece.

Preferably, the connection mode of the extrusion rod and the guide sleeve is threaded connection, the connection mode of the extrusion rod and the connector is hinged, and the guide sleeve is connected with the top plate in an embedded mode.

Preferably, the outer side of the connecting disc is in an inclined sawtooth structure, and the connecting disc is meshed with the gear.

Preferably, the bearing table and the support frame form a rotating structure, and the bottom of the bearing table is provided with clamping grooves at equal angles.

Preferably, the weight of the front end of the rotating block is greater than the weight of the rear end of the rotating block, and the rotating block is connected with the clamping groove in a clamping mode.

Preferably, the fixed block is fixedly connected with the support frame through a bolt, and the fixed block is of a hollow structure.

Compared with the prior art, the beneficial effects of the utility model are that: the bolt looseness detection device based on the video image is convenient for adjusting the magnitude of external force applied to the bolt, detecting the looseness condition of the bolt, adjusting the direction of a projection screen and being convenient for people to watch and analyze;

1. the extrusion rod and the guide sleeve are arranged, the extrusion rod is in threaded connection with the guide sleeve, and the guide sleeve is embedded in the top plate, so that the extrusion rod can be conveniently displaced stably when rotating, the extrusion rod drives the bolt to perform micro displacement through the connector, and the loosening condition of the bolt can be conveniently detected;

2. the gear and the connecting disc are arranged, the diameter of the gear is smaller than that of the connecting disc, the gear is meshed with the connecting disc, the connecting disc is conveniently driven to rotate in the rotation process of the gear, so that the extrusion rod rotates, the rotation speed and the rotation time of the gear are accurately controlled through the stepping motor, the telescopic pressure of the extrusion rod is adjusted, the size of an external force applied to the bolt is adjusted, and the loosening condition of the bolt is conveniently detected;

3. the bearing table and the rotating block are arranged, the bearing table is convenient for placing the projection screen, and when the bearing table rotates, the projection screen rotates, the direction of the projection screen is convenient to adjust, the rotating block is connected with the bearing table in a clamped mode, the direction of the bearing table is stable, the direction of the projection screen is stable, and people can watch and analyze the projection screen conveniently.

Drawings

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is a schematic view of a top-down cutting structure of the carrier of the present invention;

fig. 3 is a schematic top view of the top plate of the present invention;

fig. 4 is a schematic view of the structure of the working state of the rotating block of the present invention.

In the figure: 1. a support; 2. a fixing plate; 3. a top plate; 4. a bolt detection sensor; 5. an extrusion stem; 6. a gear; 7. a stepping motor; 8. a connecting disc; 9. a connector; 10. a guide sleeve; 11. a signal amplifier; 12. a projection screen; 13. a support frame; 14. a bearing table; 15. rotating the block; 16. a card slot; 17. a fixed block; 18. and (5) fixing the rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a bolt looseness detection device based on video images comprises a support 1, a fixing plate 2, a top plate 3, a bolt detection sensor 4, an extrusion rod 5, a gear 6, a stepping motor 7, a connecting disc 8, a connector 9, a guide sleeve 10, a signal amplifier 11, a projection screen 12, a support frame 13, a bearing platform 14, a rotating block 15, a clamping groove 16, a fixing block 17 and a fixing rod 18, wherein the fixing plate 2 is arranged in the middle of the support 1, the top end of the fixing plate 2 is provided with the top plate 3, the bolt detection sensor 4 is arranged above the fixing plate 2, the extrusion rod 5 is arranged above the bolt detection sensor 4, the connecting disc 8 is arranged on the outer side of the top of the extrusion rod 5, the gear 6 is arranged on the left side of the outer side of the connecting disc 8, the stepping motor 7 is arranged below the top plate 3, the output end of the stepping motor 7 is connected with the, and the bottom of the extrusion stem 5 is connected with the connector 9, the projection screen 12 is arranged on the right side of the support 1, a signal amplifier 11 is arranged between the projection screen 12 and the bolt detection sensor 4, a bearing table 14 is arranged below the projection screen 12, a support frame 13 is arranged below the bearing table 14, a clamping groove 16 is formed in the bottom of the front end of the bearing table 14, a fixing block 17 is arranged on the front side of the bearing table 14, a rotating block 15 is arranged inside the fixing block 17, and the fixing block 17 is connected with the rotating block 15 through a fixing rod 18.

As shown in fig. 1 and 3, the connection mode of the extrusion rod 5 and the guide sleeve 10 is a threaded connection, the connection mode of the extrusion rod 5 and the connector 9 is a hinged connection mode, the guide sleeve 10 and the top plate 3 are connected in an embedded mode, so that the extrusion rod 5 is driven to stably extend and retract, the outer side of the connecting disc 8 is of an inclined sawtooth structure, and the connecting disc 8 is meshed with the gear 6 to be connected, so that power is provided for rotation of the extrusion rod 5.

Like fig. 1, bearing platform 14 constitutes revolution mechanic with support frame 13 in fig. 2 and fig. 4, and draw-in groove 16 has been seted up to angles such as the bottom of bearing platform 14, be convenient for adjust the angle of bearing platform 14, rotatory 15 front end weight is greater than the rear end weight of rotatory piece 15, and rotatory piece 15 is connected with draw-in groove 16 block, be convenient for rotatory piece 15 under the effect of self gravity, be in vertical state, it is fixed with bearing platform 14, fixed block 17 passes through bolt fixed connection with support frame 13, and fixed block 17 is hollow structure, make things convenient for the rotation of rotatory piece 15.

The working principle is as follows: when the bolt looseness detection device based on the video image is used, as shown in figure 1, firstly, a bolt penetrates through a bolt detection sensor 4, then, the bolt is connected with a standard screw hole on a fixing plate 2, the top of the bolt is in contact with the bolt detection sensor 4, meanwhile, a connector 9 at the bottom end of an extrusion rod 5 is connected with the bolt, the extrusion rod 5 and a connecting disc 8 form a disassembly structure, the connector 9 is conveniently connected with the bolt, through a control panel, a stepping motor 7 is started, the rotating speed and the rotating time of the stepping motor 7 are adjusted according to the control panel, the stepping motor 7 drives a gear 6 to rotate, the connecting disc 8 and the outer side of the gear 6 are both in an inclined sawtooth structure, the gear 6 drives the connecting disc 8 to rotate, the diameter of the gear 6 is smaller than that of the connecting disc 8, the connecting disc 8 rotates at a low speed, and the extrusion rod 5 rotates, the extrusion rod 5 is in threaded connection with the guide sleeve 10, so that the extrusion rod 5 is subjected to stable displacement, the connector 9 drives the bolt to be subjected to micro displacement, the bolt detection sensor 4 is extruded, the numerical value of the bolt detection sensor 4 is changed when the bolt is extruded, the signal is amplified through the signal amplifier 11, and the signal is transmitted to the projection screen 12;

after the projection screen 12 receives the signal, as shown in fig. 1, the projection screen 12 is processed by its own system, the signal is displayed in the form of an image, when the projection screen 12 is watched, the rotation angle of the bearing platform 14 can be properly adjusted according to the direction of a person's seat, so that the projection screen 12 rotates, when the bearing platform 14 is adjusted, as shown in fig. 4, the rotation block 15 is rotated manually, so that the rotation block 15 rotates around the fixing rod 18, the top of the rotation block 15 is separated from the clamping groove 16, and the bearing platform 14 and the support frame 13 form a rotation structure, the bearing platform 14 can be rotated manually, the direction of the projection screen 12 is adjusted, after the direction of the projection screen 12 is adjusted, the rotation block 15 is released, so that the rotation block 15 rotates under its own gravity, the top of the rotation block 15 is contacted with the clamping groove 16 again, and the direction of the projection screen 12 is fixed, this is the whole working process of the bolt loosening detection device based on video images, and the content which is not described in detail in the present specification belongs to the prior art which is well known to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a bolt looseness detection device based on video image, includes support (1), bolt detection sensor (4), step motor (7), signal amplifier (11) and projection screen (12), its characterized in that: a fixing plate (2) is arranged in the middle of the support (1), a top plate (3) is installed at the top end of the fixing plate (2), the bolt detection sensor (4) is arranged above the fixing plate (2), an extrusion rod (5) is arranged above the bolt detection sensor (4), a connecting disc (8) is arranged on the outer side of the top of the extrusion rod (5), a gear (6) is arranged on the left side of the outer side of the connecting disc (8), the stepping motor (7) is installed below the top plate (3), the output end of the stepping motor (7) is connected with the gear (6), a guide sleeve (10) is arranged at the joint of the extrusion rod (5) and the support (1), a connector (9) is connected to the bottom end of the extrusion rod (5), the projection screen (12) is arranged on the right side of the support (1), and a signal amplifier (11) is arranged between the projection screen (12) and the bolt detection sensor, the utility model discloses a screen, including projection screen (12), the below of bearing table (14) is provided with plummer (14), and support frame (13) are installed to the below of bearing table (14) to draw-in groove (16) have been seted up to the front end bottom of bearing table (14), fixed block (17) are installed to the front side of bearing table (14), and the inside of fixed block (17) is provided with rotatory piece (15), and fixed block (17) are connected with rotatory piece (15) through dead lever (18).

2. The video image-based bolt looseness detection device according to claim 1, wherein: the extrusion rod (5) is connected with the guide sleeve (10) in a threaded manner, the extrusion rod (5) is hinged with the connector (9), and the guide sleeve (10) is connected with the top plate (3) in an embedded manner.

3. The video image-based bolt looseness detection device according to claim 1, wherein: the outer side of the connecting disc (8) is of an inclined sawtooth structure, and the connecting disc (8) is meshed with the gear (6).

4. The video image-based bolt looseness detection device according to claim 1, wherein: bearing platform (14) and support frame (13) constitute rotating-structure, and the bottom of bearing platform (14) is the equidistance seted up draw-in groove (16).

5. The video image-based bolt looseness detection device according to claim 1, wherein: the weight of the front end of the rotating block (15) is larger than that of the rear end of the rotating block (15), and the rotating block (15) is connected with the clamping groove (16) in a clamping mode.

6. The video image-based bolt looseness detection device according to claim 1, wherein: the fixing block (17) is fixedly connected with the support frame (13) through bolts, and the fixing block (17) is of a hollow structure.