CN220153786U

CN220153786U - Bridge welding residual stress detection device

Info

Publication number: CN220153786U
Application number: CN202321485715.1U
Authority: CN
Inventors: 李丕周; 刘见星; 彭暄; 张敏亚; 刘建飞
Original assignee: Zhejiang Zhongyan Engineering Technology Research Co ltd
Current assignee: Zhejiang Zhongyan Engineering Technology Research Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-12-08
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a bridge welding residual stress detection device, which belongs to the field of stress detection and comprises a mounting frame, an ultrasonic stress detector, an adsorption mechanism and an adjusting mechanism, wherein the ultrasonic stress detector is mounted on one side plate of the mounting frame, one side of the ultrasonic stress detector is electrically connected with a detection head, the adsorption mechanism comprises two L-shaped frames, and the two L-shaped frames are respectively connected with the outer walls of two corresponding side plates on the mounting frame; through setting up adsorption equipment, utilize the position cooperation to date of L type frame, C type frame and supporting leg, the position fixing of L type frame, C type frame and supporting leg is twisted with the hand again and is screwed up screw and first screw, can make the supporting leg be in vertical direction or be in the horizontal direction to accomplish the support to installing the frame, when the sucking disc of device both sides is located the detection face, inserts two breather pipes and pumps, and under the effect of atmospheric pressure, the device can firmly adsorb at the detection face.

Description

Bridge welding residual stress detection device

Technical Field

The utility model belongs to the technical field of stress detection, and particularly relates to a bridge welding residual stress detection device.

Background

The bridge is a building which is erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like, and can be divided into a girder bridge, a slab bridge, an arch bridge, a steel structure bridge and the like according to the stress condition of a bearing member, wherein the steel structure bridge is a novel bridge construction mode which is fashionable at present, welding is the most important in the steel structure bridge, and the stress of a welding position is detected after the welding of the bridge, so that the safety and stability of the bridge are ensured.

The utility model discloses a stress detection device for road and bridge construction, relates to bridge stress detection technical field, including L type fixed plate, ultrasonic emitter and ultrasonic receiver, L type fixed plate is including perpendicular board and horizontal plate, the wheelset is installed to horizontal plate bilateral symmetry, just the horizontal plate is including first recess, second recess and lockhole, vertical lifting platform is installed to first recess upper end, vertical lifting platform upper end is equipped with control panel, just be equipped with the detector display screen on the perpendicular board, detector display screen one side is equipped with the signal input part, the perpendicular board top is equipped with the handle, handle one side is equipped with shift knob. The following technical problems are considered to exist in practice for the technical proposal disclosed in the patent document: 1. the device is more suitable for detecting the welding surface with low position, but is difficult to detect the welding surface at high position; 2. the probe head generates ultrasonic waves during detection, so that certain vibration is generated, and the separation of the probe head and the detection surface is easy to occur.

Disclosure of Invention

The utility model aims to provide a bridge welding residual stress detection device, which is used for solving the problems that the welding surface at a high position is difficult to detect and the detection head and the detection surface are easy to separate in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bridge welding residual stress detection device, includes installing frame, ultrasonic stress detector, adsorption equipment and adjustment mechanism, ultrasonic stress detector installs on an installing frame's a curb plate, one side electric connection of ultrasonic stress detector has the detection head, adsorption equipment includes two L type frames, two the outer wall of the both sides board that mutually corresponds on the installing frame is connected respectively to L type frame, two the same side of L type frame all is provided with C type frame, two all install the supporting leg in the L type frame, two the supporting leg is located two C type frames respectively, two all install the sucking disc on the homonymy end of supporting leg, two through connection has the breather pipe on the sucking disc.

The adjusting mechanism comprises two sliding frames, the two sliding frames are respectively connected with the inner walls of two side plates corresponding to each other on the mounting frame, sliding parts are arranged in the sliding frames in a sliding mode, the ultrasonic stress detector is arranged between the same side ends of the two sliding parts, threaded rods are respectively and rotatably arranged at the lower ends of the sliding frames, screw barrels are respectively and rotatably connected with the lower ends of the sliding parts, the screw barrels are respectively and rotatably connected with the two threaded rods, the same side ends of the threaded rods are respectively and rotatably connected with side plates penetrating through the mounting frame and chain wheels, and chains are connected between the two chain wheels in a transmission mode.

By adopting the scheme, through setting up adsorption equipment, utilize L type frame, C type frame and supporting leg's position cooperation until now, the position fixing of L type frame, C type frame and supporting leg is lived to the screw and first screw is twisted to the hand again, can make the supporting leg be in vertical direction or be in the horizontal direction, thereby accomplish the support to installing the frame, when the sucking disc of device both sides is located the detection face, insert the aspiration pump with two breather pipes and bleed, under the effect of atmospheric pressure, the device can firmly adsorb at the detection face, the convenience detects the welding face of different orientation, through setting up adjustment mechanism, because the screw cooperation between threaded rod and the spiral shell section of thick bamboo, and the transmission relation between chain and two sprockets, shake the turning handle of arbitrary one side, both can drive two threaded rods simultaneously, thereby through the direction of rotation control slider of change threaded rod, thereby adjust the position between detection head and the detection face, convenient and quick, and the regulation precision is higher, prevent that the contact of detection head and detection face is insufficient.

In the above scheme, it should be noted that the ultrasonic stress detector is externally connected with a power supply.

As a preferred implementation mode, the lower end of one side plate of the installation frame is provided with a storage box, and one side of the storage box is hinged with a box cover.

By adopting the scheme, through setting up storing box and lid, can place some little articles in the storing box, conveniently carry, prevent losing.

As a preferred implementation mode, two clamping blocks are arranged in the two L-shaped frames, one side of each supporting leg is connected with a circular plate, the two circular plates are respectively positioned in the two L-shaped frames, and clamping grooves matched with the clamping blocks are formed in the two circular plates.

By adopting the scheme, the circular plate on the supporting leg can be clamped on the clamping block in the L-shaped frame by arranging the clamping block and the circular plate.

As a preferable implementation mode, two hand-screwed screws are connected to the two L-shaped frames in a threaded mode, and two first screw holes corresponding to positions of adjacent hand-screwed screws are formed in the two circular plates.

By adopting the scheme, the L-shaped frame and the support leg can be fixed in position by arranging the hand-screwed screws and the first screw holes, so that the support leg is prevented from sliding.

As a preferable implementation mode, two support legs are connected with hand-screwed bolts in a threaded mode, the two hand-screwed bolts slide in two C-shaped frames respectively, and the two C-shaped frames are provided with second screw holes at positions corresponding to the adjacent hand-screwed bolts.

By adopting the scheme, the C-shaped frame and the support leg can be fixed in position by arranging the hand-screwed bolt and the second screw hole, so that the stability of the device is ensured.

As a preferable implementation mode, the lower ends of the two sliding frames are provided with sliding grooves, the two screw barrels are respectively positioned in the sliding grooves at the lower ends of the two sliding frames, and the detection head is positioned between the two sliding frames.

By adopting the scheme, the sliding groove is formed in the sliding frame, so that the moving range of the screw cylinder can be limited while the screw cylinder is convenient to move.

As a preferred implementation mode, one side of the installation frame is provided with a dustproof frame, the chain and the two chain wheels are both positioned in the dustproof frame, the same side surfaces of the two chain wheels are both connected with rotating handles, and the two rotating handles are both rotated to penetrate through the dustproof frame.

By adopting the scheme, the chain wheel and the chain can be protected by arranging the dustproof frame, and the rotation of the two threaded rods can be facilitated by arranging the rotating handle.

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

according to the bridge welding residual stress detection device, the adsorption mechanism is arranged, the positions of the L-shaped frame, the C-shaped frame and the supporting legs are matched with each other by utilizing the positions of the L-shaped frame, the C-shaped frame and the supporting legs to date, and then the positions of the L-shaped frame, the C-shaped frame and the supporting legs are fixed by screwing the screws and the first screw holes by hands, so that the supporting legs are in the vertical direction or in the horizontal direction, the supporting of the installation frame is completed, when the suckers on the two sides of the device are positioned on the detection surface, the two breather pipes are connected into the air suction pump to suck air, and under the action of air pressure, the device can be firmly adsorbed on the detection surface, so that the welding surfaces with different directions can be detected conveniently;

this bridge welding residual stress detection device is through setting up adjustment mechanism, because the screw thread cooperation between threaded rod and the spiral shell section of thick bamboo to and the transmission relation between chain and two sprockets, shake the commentaries on classics handle of arbitrary one side, both can drive two threaded rods simultaneously and rotate, thereby through the direction of movement of change threaded rod's rotation direction control slider, with this position between regulation detection head and the detection face, adjust convenient and fast, and the regulation precision is higher, prevents that the contact of detection head and detection face is insufficient.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of the connection structure of the detection head and the sliding member according to the present utility model;

FIG. 4 is a schematic cross-sectional view of an L-shaped frame of the present utility model;

FIG. 5 is a schematic view of a C-shaped frame according to the present utility model;

fig. 6 is a schematic view of the structure of the connection of the support leg and the circular plate according to the present utility model.

In the figure: 1. a mounting frame; 2. an ultrasonic stress detector; 3. a detection head; 4. an L-shaped frame; 5. a C-shaped frame; 6. support legs; 7. a suction cup; 8. a sliding frame; 9. a slider; 10. a threaded rod; 11. a screw cylinder; 12. a sprocket; 13. a chain; 14. a storage box; 15. a box cover; 16. a clamping block; 17. a circular plate; 18. screwing the screw by hand; 19. a first screw hole; 20. screwing the bolt by hand; 21. a second screw hole; 22. a dust-proof frame; 23. a rotating handle; 24. and (5) a vent pipe.

Detailed Description

Referring to fig. 1-6, the utility model provides a bridge welding residual stress detection device, which comprises a mounting frame 1, an ultrasonic stress detector 2, an adsorption mechanism and an adjusting mechanism, wherein the ultrasonic stress detector 2 is mounted on a side plate of the mounting frame 1, one side of the ultrasonic stress detector 2 is electrically connected with a detection head 3, the adsorption mechanism comprises two L-shaped frames 4, the two L-shaped frames 4 are respectively connected with the outer walls of the two side plates corresponding to each other on the mounting frame 1, C-shaped frames 5 are respectively arranged on the same side edges of the two L-shaped frames 4, supporting legs 6 are respectively mounted in the two L-shaped frames 4, suckers 7 are respectively mounted on the same side ends of the two supporting legs 6, and ventilation pipes 24 are connected to the two suckers 7 in a penetrating manner.

Wherein, adjustment mechanism includes two sliding frame 8, the inner wall of the both sides board that corresponds each other on installing frame 1 is connected respectively to two sliding frame 8, equal slidable mounting has slider 9 in the two sliding frame 8, ultrasonic stress detector 2 installs between the homonymy end of two sliders 9, threaded rod 10 is all installed in the lower extreme of two sliding frame 8 rotation, the lower extreme of two sliders 9 all is connected with a spiral shell section of thick bamboo 11, two spiral shell section of thick bamboo 11 are threaded respectively cup joint on two threaded rods 10, the homonymy end of two threaded rods 10 all rotates the curb plate that runs through installing frame 1 and is connected with sprocket 12, the transmission is connected with chain 13 between two sprocket 12.

Meanwhile, a storage box 14 is arranged at the lower end of one side plate of the installation frame 1, and a box cover 15 is hinged to one side of the storage box 14. When in use, through the storage box 14 and the box cover 15, small objects can be placed in the storage box 14, so that the storage box is convenient to carry and can be prevented from being lost.

In addition, two clamping blocks 16 are arranged in the two L-shaped frames 4, one sides of the two supporting legs 6 are connected with circular plates 17, the two circular plates 17 are respectively positioned in the two L-shaped frames 4, and clamping grooves matched with the clamping blocks 16 are formed in the two circular plates 17. When in use, the circular plate 17 on the supporting leg 6 can be clamped on the clamping block 16 in the L-shaped frame 4 by arranging the clamping block 16 and the circular plate 17.

In addition, two hand-screwed screws 18 are connected to the two L-shaped frames 4 in a threaded manner, and two first screw holes 19 corresponding to the positions of the adjacent hand-screwed screws 18 are formed in the two circular plates 17. In use, the positions of the L-shaped frame 4 and the supporting legs 6 can be fixed by arranging the hand-screwed screws 18 and the first screw holes 19, so that the supporting legs 6 are prevented from sliding.

Simultaneously, the two support legs 6 are respectively connected with hand-screwed bolts 20 in a threaded manner, the two hand-screwed bolts 20 slide in the two C-shaped frames 5 respectively, and the two C-shaped frames 5 are provided with second screw holes 21 at positions corresponding to the adjacent hand-screwed bolts 20. When the device is used, the positions of the C-shaped frame 5 and the supporting legs 6 can be fixed by arranging the hand-screwed bolts 20 and the second screw holes 21, so that the stability of the device is ensured.

Wherein, the lower ends of the two sliding frames 8 are provided with sliding grooves, the two screw barrels 11 are respectively positioned in the sliding grooves of the lower ends of the two sliding frames 8, and the detection head 3 is positioned between the two sliding frames 8. When the screw barrel 11 is used, the sliding groove is formed in the sliding frame 8, so that the screw barrel 11 can be conveniently moved, and the moving range of the screw barrel 11 can be limited.

In addition, a dust-proof frame 22 is provided on one side of the mounting frame 1, the chain 13 and the two sprockets 12 are both positioned in the dust-proof frame 22, the same side surfaces of the two sprockets 12 are both connected with rotating handles 23, and the two rotating handles 23 are both rotated to penetrate through the dust-proof frame 22. When the novel anti-dust chain is used, the chain wheel 12 and the chain 13 can be protected by arranging the dustproof frame 22, and the rotation of the two threaded rods 10 can be facilitated by arranging the rotating handle 23.

When the ultrasonic stress detector is used, the position of the supporting leg 6 is adjusted according to the direction of the detection surface, so that the ultrasonic stress detector 2 is positioned at a position convenient to observe, when the detection surface is a vertical surface, the supporting leg 6 is rotated to the horizontal direction, then the supporting leg 6 is horizontally slid, a circular plate 17 on the supporting leg 6 is clamped with a clamping block 16 in the L-shaped frame 4, and the positions of the L-shaped frame 4, the C-shaped frame 5 and the supporting leg 6 are fixed by using a hand screw 18 and a hand screw bolt 20;

when the detection surface is a horizontal plane, the supporting leg 6 is horizontally pulled out and vertically slides when rotating to the vertical direction, so that the supporting leg 6 is vertically clamped on the L-shaped frame 4, then the positions of the L-shaped frame 4, the C-shaped frame 5 and the supporting leg 6 are fixed by screwing the screw 18 and the screw bolt 20 by hands, then the suction cups 7 on two sides are attached to the detection surface, the two ventilation pipes 24 are connected with the air pump to suck air, under the action of air pressure, the device can be firmly adsorbed on the detection surface, then one of the rotating handles 23 is rotated, and due to the threaded fit between the threaded rod 10 and the screw cylinder 11 and the transmission relation between the chain 13 and the two chain wheels 12, the rotating handle 23 on any side can simultaneously drive the two threaded rods 10 to control the moving direction of the sliding piece 9 by changing the rotating direction of the threaded rod 10, so that the positions between the detection head 3 and the detection surface are adjusted, the adjustment is convenient and quick, the adjustment accuracy is high, the detection head 3 and the detection surface are prevented from being insufficiently contacted, and the device can be taken down after the detection is finished by disconnecting the ventilation pipes 24 from the connection with the air pump.

Claims

1. Bridge welding residual stress detection device, its characterized in that: the ultrasonic stress detector (2) is mounted on a side plate of the mounting frame (1), one side of the ultrasonic stress detector (2) is electrically connected with a detection head (3), the adsorption mechanism comprises two L-shaped frames (4), the two L-shaped frames (4) are respectively connected with the outer walls of two side plates corresponding to each other on the mounting frame (1), C-shaped frames (5) are respectively arranged on the same side edges of the two L-shaped frames (4), supporting legs (6) are respectively mounted in the two C-shaped frames (4), suckers (7) are respectively mounted on the same side ends of the two supporting legs (6), and ventilation pipes (24) are connected to the suckers (7) in a penetrating manner;

the utility model provides an adjusting mechanism includes two sliding frame (8), two sliding frame (8) connect respectively on installing frame (1) the inner wall of the both sides board that corresponds each other, two equal slidable mounting has slider (9) in sliding frame (8), ultrasonic stress detector (2) are installed between the homonymy end of two sliders (9), two the lower extreme of sliding frame (8) is all rotated and is installed threaded rod (10), two the lower extreme of slider (9) all is connected with spiral shell section of thick bamboo (11), two spiral shell section of thick bamboo (11) are threaded respectively cup joint on two threaded rods (10), two the homonymy end of threaded rod (10) all rotates and runs through the curb plate of installing frame (1) and be connected with sprocket (12), two the transmission is connected with chain (13) between sprocket (12).

2. The bridge welding residual stress detection device according to claim 1, wherein: the storage box (14) is arranged at the lower end of one side plate of the installation frame (1), and a box cover (15) is hinged to one side of the storage box (14).

3. The bridge welding residual stress detection device according to claim 1, wherein: two clamping blocks (16) are arranged in the L-shaped frames (4), one sides of the two supporting legs (6) are connected with circular plates (17), the two circular plates (17) are respectively arranged in the two L-shaped frames (4), and clamping grooves matched with the clamping blocks (16) are formed in the two circular plates (17).

4. The bridge welding residual stress detection device according to claim 3, wherein: two hand-screwed screws (18) are connected to the two L-shaped frames (4) in a threaded mode, and two first screw holes (19) corresponding to the positions of the adjacent hand-screwed screws (18) are formed in the two circular plates (17).

5. The bridge welding residual stress detection device according to claim 1, wherein: the two support legs (6) are connected with hand-screwed bolts (20) in a threaded manner, the two hand-screwed bolts (20) slide in the two C-shaped frames (5) respectively, and the two C-shaped frames (5) are provided with second screw holes (21) at positions corresponding to the adjacent hand-screwed bolts (20).

6. The bridge welding residual stress detection device according to claim 1, wherein: the lower ends of the two sliding frames (8) are provided with sliding grooves, the two screw barrels (11) are respectively positioned in the sliding grooves at the lower ends of the two sliding frames (8), and the detection head (3) is positioned between the two sliding frames (8).

7. The bridge welding residual stress detection device according to claim 1, wherein: one side of the installation frame (1) is provided with a dustproof frame (22), the chain (13) and the two chain wheels (12) are both positioned in the dustproof frame (22), the same side surfaces of the two chain wheels (12) are both connected with rotating handles (23), and the two rotating handles (23) are both rotated to penetrate through the dustproof frame (22).