CN218973435U - Reinforcing bar detection device based on machine vision - Google Patents

Abstract

The application relates to a reinforcing bar detection device based on machine vision relates to the field of machine vision detection device, including two frames and a glide machanism, two frames are used for installing the one end at the reinforcing bar respectively, and the frame includes base plate and hawser, and hawser one end is installed on a base plate, and glide machanism sliding connection is provided with the camera on the hawser, and glide machanism is used for driving camera reciprocating motion on the hawser. The application has the effect that the convenience of using the image pickup device to scan the steel bars and detect the flatness of the steel bars.

Description

Reinforcing bar detection device based on machine vision

Technical Field

The application relates to the field of machine vision detection devices, in particular to a reinforcing steel bar detection device based on machine vision.

Background

Machine vision is a branch of the rapid development of the artificial intelligence field, and by using a machine to replace human eyes for measurement and judgment, the working efficiency can be improved.

The related machine vision system converts the shot target into an image signal through the image shooting device, the image signal is transmitted to a special image processing system to obtain the form information of the shot target, the image system calculates the signal and extracts the characteristics of the target, and then the detection result is output according to the discrimination result. When the machine vision system is used for detecting the steel bar, the image pickup device is required to be arranged on one side of the steel bar and moved, so that the image pickup device can completely scan the steel bar to be detected.

The related technical scheme has the defect that when the length of the steel bar is large, arranging the sliding rail on one side of the steel bar and arranging the image pickup device on the sliding rail is time-consuming, and the sliding rail is time-consuming to detach after detection.

Disclosure of Invention

In order to facilitate the use of a person to scan a steel bar and detect the flatness of the steel bar by using the image pickup device, the application provides a steel bar detection device based on machine vision.

The application provides a reinforcing bar detection device based on machine vision adopts following technical scheme:

the utility model provides a reinforcing bar detection device based on machine vision, includes two frames and a glide machanism, and two frames are used for installing respectively in the one end of reinforcing bar, and the frame includes base plate and hawser, and hawser one end is installed on a base plate, and glide machanism sliding connection is provided with the camera on the hawser on the glide machanism, and glide machanism is used for driving camera reciprocating motion on the hawser.

Through adopting above-mentioned technical scheme, through setting up the hawser on the base plate, the user is through setting up two base plates at the both ends of reinforcing bar respectively, makes the hawser keep the state of tightening, and then makes sliding mechanism can reciprocate on the hawser, reaches the effect that makes the camera remove and shoot the image to the reinforcing bar, and the user only need carry out the installation and the dismantlement work of base plate, can make the hawser setting of tightening in reinforcing bar one side, can conveniently use the image pickup device to scan the reinforcing bar and detect the reinforcing bar straightness.

Optionally, the substrate is rotatably connected with a winding roller, one end of the cable is fixed on the winding roller of one substrate, and the winding roller is used for rotating and winding the cable.

Through adopting above-mentioned technical scheme, through rotating the wind-up roll of connection on the base plate, make the hawser can twine on the wind-up roll, and then the convenience of use personnel wind the hawser and carry the frame.

Optionally, the wind-up roller is provided with a torsion spring, and the torsion spring is used for driving the wind-up roller to rotate and wind up the mooring rope in a natural state.

Through adopting above-mentioned technical scheme, through setting up the torsional spring on the wind-up roll, make the torsional spring can drive the wind-up roll and rotate, when the interval of two frames changes, the torsional spring can drive the wind-up roll and rotate to make the hawser still keep the state of tightening, the convenience of use personnel measures the reinforcing bar of different length.

Optionally, a plurality of supports are arranged on the base plate, the supports are arranged in groups, and the two groups of supports are used for being respectively arranged on two sides of the steel bar.

Through adopting above-mentioned technical scheme, through setting up a plurality of supports on the base plate, make the support set up to two sets of, the reinforcing bar can set up between two sets of supports, when two frames set up at the reinforcing bar both ends, the user can observe the contained angle of reinforcing bar extending direction and hawser length direction, and then tentatively judge the straightness of reinforcing bar.

Optionally, a fixing bolt is arranged on the bracket, the fixing bolt penetrates through the bracket, and the fixing bolt is used for being inserted into the ground.

Through adopting above-mentioned technical scheme, through setting up fixing bolt on the support, make fixing bolt can screw in subaerial, and then make support and ground stable connection, can install the frame subaerial at the slope.

Optionally, the sliding mechanism includes slide and driving piece, and slide sliding connection is on the hawser, and driving piece sets up on the slide, and driving piece is used for driving slide reciprocating motion on the hawser, and the camera is installed on the side near ground on the slide.

Through adopting above-mentioned technical scheme, through setting up the driving piece on the slide, make the driving piece can drive slide reciprocating motion on the hawser, and then make the slide can drive camera reciprocating motion and shoot the image on the hawser.

Optionally, the driving piece includes action wheel and motor, and the action wheel rotates to be connected on the slide, action wheel and hawser butt, and the casing of motor is fixed on the slide, and the output shaft and the action wheel coaxial coupling of motor, motor are used for driving the action wheel and just reversing.

Through adopting above-mentioned technical scheme, through rotating the connection action wheel on the slide, make action wheel butt on the hawser, the action wheel can be through the motor forward and backward rotation, and then makes the slide can reciprocating motion on the hawser.

Optionally, the driving wheel is provided with a groove, and the cross-sectional area of the end surface of the driving wheel is larger than the cross-sectional area of the middle part of the driving wheel.

Through adopting above-mentioned technical scheme, through seting up the recess on the action wheel, make the hawser can block in the recess of action wheel, and then make the action wheel can stablely butt on the hawser, reduce the action wheel and break away from the probability of being connected with the hawser.

In summary, the beneficial technical effects of the application are:

1. through setting up the hawser on the base plate, the user makes the hawser keep the state of tightening through setting up two base plates at the both ends of reinforcing bar respectively, and then makes the sliding mechanism can reciprocate on the hawser, reaches the effect that makes the camera remove and shoot the image to the reinforcing bar, and the user only need carry out the installation and the dismantlement work of base plate, can make the hawser setting of tightening in one side of reinforcing bar, can conveniently use image pickup device to scan the reinforcing bar and detect the reinforcing bar straightness;

2. the torsion spring is arranged on the wind-up roller, so that the torsion spring can drive the wind-up roller to rotate, and when the distance between the two racks is changed, the torsion spring can drive the wind-up roller to rotate, so that a mooring rope still keeps a tight state, and a user can conveniently measure steel bars with different lengths;

3. through setting up the driving piece on the slide, make the driving piece can drive slide reciprocating motion on the hawser, and then make the slide can drive camera reciprocating motion and shoot the image on the hawser.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram of the overall structure of the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a frame; 11. a substrate; 12. a wind-up roll; 13. a cable; 14. a bracket; 141. a fixing bolt; 2. a sliding mechanism; 21. a slide plate; 22. a driving member; 221. a driving wheel; 222. a motor; 223. a groove; 23. and a video camera.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses reinforcing bar detection device based on machine vision, refer to fig. 1, including two frames 1 and a slide mechanism 2, frame 1 is used for installing subaerial, and a frame 1 sets up the one end tip at the reinforcing bar, and slide mechanism 2 connects between two frames 1, and slide mechanism 2 is used for reciprocating motion between frame 1. The sliding mechanism 2 is provided with a camera 23, and the camera 23 is used for taking pictures of the steel bars and collecting image information, so that information acquisition of the steel bars is completed.

Referring to fig. 1 and 2, the frame 1 includes a base plate 11, wind-up rollers 12 and a cable 13, the base plate 11 is fixed on the ground, the wind-up rollers 12 are rotatably connected to the base plate 11, two wind-up rollers 12 are provided on each base plate 11, and the wind-up rollers 12 are perpendicular to the base plate 11. The two cables 13 are arranged in parallel, one end of each cable 13 is connected with the wind-up roll 12 on one base plate 11, and when the two frames 1 are respectively fixed at two ends of the steel bar, the cables 13 can be kept tight and parallel to the ground. The sliding mechanism 2 is slidably connected to the cable 13, and the sliding mechanism 2 can reciprocate on the cable 13. The winding roller 12 is provided with a torsion spring which is used for driving the winding roller 12 to rotate, so that the winding roller 12 automatically winds the mooring rope 13. When a user removes the base plate 11 from the ground, the torsion spring can drive the winding roller 12 to rotate, so that the cable 13 is wound on the winding roller 12, and the winding roller is convenient for the user to store.

Referring to fig. 1 and 2, a plurality of brackets 14 are provided on a substrate 11, the brackets 14 are provided in groups, the brackets 14 are provided in two groups, and the two groups of brackets 14 are symmetrically provided on the substrate 11. The same group of holders 14 are arranged on the substrate 11 in a straight line direction. When the user fixes the base plate 11 on the ground, the ends of the bars can be positioned between the two sets of brackets 14, and when there is a significant difference between the extending direction of the bars and the length direction of the cable 13, it is indicated that the flatness of the bars is low. A plurality of bars can be stacked between the two sets of brackets 14 so that the glide mechanism 2 can drive the camera 23 to simultaneously detect the flatness of the plurality of bars.

Referring to fig. 1 and 2, a fixing bolt 141 is provided at an end of the bracket 14 remote from the base plate 11, the fixing bolt 141 penetrates an end of the bracket 14, and the fixing bolt 141 is used to be inserted into the ground, thereby enabling the bracket 14 to be stably coupled to the ground.

Referring to fig. 2 and 3, the sliding mechanism 2 further includes a sliding plate 21 and a driving member 22, a plurality of sliding members are provided on the sliding plate 21, the cable 13 penetrates the sliding members, and the sliding plate 21 is connected with the cable 13 through the sliding members. The camera 23 is arranged on the side of the sledge 21 close to the ground, the camera 23 being located on the symmetry axis of the two cables 13. The driving piece 22 comprises a driving wheel 221 and a motor 222, the driving wheel 221 is rotatably connected to the sliding plate 21, the driving wheel 221 is abutted to the cable 13 and is in friction connection, a shell of the motor 222 is fixed to the sliding plate 21, an output shaft of the motor 222 is coaxially connected with the driving wheel 221, and the motor 222 can drive the driving wheel 221 to rotate positively and reversely, so that the sliding plate 21 moves on the cable 13 through the driving wheel 221. The driving wheel 221 is provided with a groove 223, the groove 223 is an annular groove, the cross section area of the end surface of the driving wheel 221 is larger than the cross section area of the middle part of the driving wheel 221, and the driving wheel 221 is clamped on the cable 13 through the groove 223, so that the driving wheel 221 can be stably connected with the cable 13.

The implementation principle of the embodiment of the application is as follows: through setting up wind-up roll 12 on base plate 11, set up hawser 13 between wind-up roll 12 of two base plates 11, the user is through setting up two base plates 11 respectively at the both ends of reinforcing bar, make slide mechanism 2 reciprocating motion on hawser 13 to make camera 23 can shoot the image and carry out the detection of reinforcing bar straightness, through setting up the torsional spring on wind-up roll 12, make the torsional spring can drive wind-up roll 12 rotation under the natural state, and then make wind-up roll 12 play the effect of rolling hawser 13, can facilitate the use person accomodate frame 1.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. Reinforcing bar detection device based on machine vision, its characterized in that: including two frames (1) and a slide mechanism (2), two frames (1) are used for installing respectively in the one end of reinforcing bar, and frame (1) are including base plate (11) and hawser (13), and hawser (13) one end is installed on a base plate (11), and slide mechanism (2) sliding connection is provided with camera (23) on hawser (13), and slide mechanism (2) are used for driving camera (23) reciprocating motion on hawser (13).

2. The machine vision-based rebar detection device of claim 1, wherein: the base plate (11) is rotatably connected with a winding roller (12), one end of a mooring rope (13) is fixed on the winding roller (12) of one base plate (11), and the winding roller (12) is used for rotating and winding the mooring rope (13).

3. The machine vision-based rebar detection device of claim 2, wherein: the winding roller (12) is provided with a torsion spring which is used for driving the winding roller (12) to rotate in a natural state and winding the mooring rope (13).

4. The machine vision-based rebar detection device of claim 1, wherein: the base plate (11) is provided with a plurality of brackets (14), the brackets (14) are arranged in groups, and the two groups of brackets (14) are respectively arranged on two sides of the steel bar.

5. The machine vision-based rebar inspection device of claim 4, wherein: the support (14) is provided with a fixing bolt (141), the fixing bolt (141) penetrates through the support (14), and the fixing bolt (141) is used for being inserted into the ground.

6. The machine vision-based rebar detection device of claim 1, wherein: the sliding mechanism (2) comprises a sliding plate (21) and a driving piece (22), the sliding plate (21) is connected to the cable (13) in a sliding mode, the driving piece (22) is arranged on the sliding plate (21), the driving piece (22) is used for driving the sliding plate (21) to reciprocate on the cable (13), and the camera (23) is arranged on one side, close to the ground, of the sliding plate (21).

7. The machine vision-based rebar inspection device of claim 6, wherein: the driving piece (22) comprises a driving wheel (221) and a motor (222), the driving wheel (221) is rotationally connected to the sliding plate (21), the driving wheel (221) is abutted to the cable (13), a shell of the motor (222) is fixed to the sliding plate (21), an output shaft of the motor (222) is coaxially connected with the driving wheel (221), and the motor (222) is used for driving the driving wheel (221) to rotate positively and negatively.

8. The machine vision-based rebar inspection device of claim 7, wherein: the driving wheel (221) is provided with a groove (223), and the cross section area of the end surface of the driving wheel (221) is larger than the cross section area of the middle part of the driving wheel (221).

Images