CN210665615U

CN210665615U - Bridge prestressing force detection device

Info

Publication number: CN210665615U
Application number: CN201921154211.5U
Authority: CN
Inventors: 黄祖华; 赖苍林; 黄学漾; 游小宁
Original assignee: Fujian Academy Of Building Research Co ltd; Fujian Building Engineering Quality Inspection Center Co ltd
Current assignee: Fujian Academy Of Building Research Co ltd; Fujian Building Engineering Quality Inspection Center Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-02
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a bridge prestressing force detection device, including box and telescopic link, the lower terminal surface of box is fixed with the thickening plate, logical groove has all been seted up to the lower terminal surface four corners department of thickening plate, the department sets up flutedly in the middle of the lower terminal surface of thickening plate, the inside bottom four corners department of box all is fixed with the mount pad, the telescopic link runs through logical groove after running through box and mount pad, the lower extreme of telescopic link is fixed with the runner, the upper end of telescopic link is rotated through the bearing and is installed the rolling valve, the lower extreme outside of rolling valve is fixed with the thread bush, the up end off-plate side of mount pad is seted up the thread groove, and thread bush screw thread mounting is in the thread groove, the inside bottom mounting of box has ultrasonic detector, the inside lower extreme of box is fixed with the baffle, and the baffle is located ultrasonic detector's upside. The utility model discloses possess small, portable and detect structure convenient to use, operate handy advantage.

Description

Bridge prestressing force detection device

Technical Field

The utility model relates to a check out test set technical field specifically is a bridge prestressing force detection device.

Background

The prestressed concrete bridge steel strand is generally manually controlled to stretch, and is influenced by factors such as construction experience of stretch-draw control personnel, corrugated pipe positioning, temperature, loading force and the like, so that the actual prestress level of each control section steel strand of a main beam is always an important problem commonly concerned by bridge workers, wherein the accurate detection of the permanent stress plays an important role in determining the current stress level of a bridge structure and the future stress safety reserve.

Cracks in the bridge concrete can change the overall prestress, which causes quality failure in the later period. The existing prestress detection equipment is large in size, inconvenient to use in real-time detection of a bridge and inconvenient to carry and operate; the manual probe that current check out test set used needs the handheld probe of staff to carry out each position and detects, and physical demands is big, and detects the place and just be the construction place, and internal environment is complicated, comparatively jolts during the removal, and current equipment does not have effective shock attenuation measure, makes inside precision machine component damage easily.

Disclosure of Invention

An object of the utility model is to provide a bridge prestressing force detection device possesses smallly, and portable and detection structure convenient to use operate the handy advantage, has solved that current equipment is bulky, uses the problem inconvenient and that operate the difficulty.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge prestress detection device comprises a box body and a telescopic rod, wherein a thickening plate is fixed on the lower end face of the box body, through grooves are formed in four corners of the lower end face of the thickening plate, a groove is formed in the middle of the lower end face of the thickening plate, a mounting seat is fixed at four corners of the bottom end inside the box body, the telescopic rod penetrates through the box body and the mounting seat and then penetrates through the through grooves, a rotating wheel is fixed at the lower end of the telescopic rod, a rotating valve is rotatably mounted at the upper end of the telescopic rod through a bearing, a threaded sleeve is fixed on the outer side of the lower end of the rotating valve, a threaded groove is formed in the outer side of the upper end face of the mounting seat, the threaded sleeve is in the threaded groove in a threaded manner, an ultrasonic detector is fixed at the bottom end inside the box body, a partition plate is fixed at the lower end inside the box body, the top end of the interior of the box body is fixed with a main board, and a cover plate is fixed at an opening of the front end face of the box body through screws.

Preferably, an ultrasonic probe is fixed in the groove and electrically connected with the ultrasonic detector through a lead.

Preferably, the rotating wheel is located at the lower end of the through groove, the telescopic rod is sleeved with the spring, and the spring is located between the rotating wheel and the thickening plate.

Preferably, the limiting blocks are fixed on two sides inside the through groove, the limiting grooves are formed in two sides of the telescopic rod, and the limiting blocks are slidably mounted in the limiting grooves.

Preferably, the lower extreme both sides of apron and the lower extreme both sides of box rear end face have all been seted up the regulation mouth, and the regulation mouth corresponds the mount pad.

Preferably, a control panel is embedded in the middle of the upper end face of the box body, and a handle is fixed on the upper side of the rear end face of the box body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

firstly, the utility model discloses a set up ultrasonic probe and spring, the staff pulls this device through the handle, realize moving through the rotation of runner, when the detection environment is comparatively complicated, when the ground is uneven, rotate the rotary valve through adjusting the mouth, the rotary valve drives the thread bush and rotates to the thread groove inside, the rotary valve moves down and drives the telescopic link to move down, drive the runner through the telescopic link and move down, through adjusting the height of runner, make ultrasonic probe be difficult for with ground and road surface stone contact, avoid damaging, realize the shock attenuation through spring cooperation telescopic link, reach appointed detection position, start up ultrasonic detector through control panel, the power supply, release the ultrasonic wave through ultrasonic probe, receive the reflected ultrasonic wave through ultrasonic detector, whether there is the gap through ultrasonic detector analysis bridge inside, show through control panel, the staff pulls this device and moves on the bridge, carry out all-round detection to the bridge through the sound wave detection that lasts, this device is small, portable uses, and the simple operation effectively improves work efficiency.

Description of the drawings

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

FIG. 2 is a schematic structural diagram of A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the appearance structure of the present invention;

sixth, fig. 4 is the side view structure diagram of the present invention.

Seventhly, in the figure: 1. a box body; 2. a main board; 3. a power source; 4. a partition plate; 5. a rotating wheel; 6. a groove; 7. an ultrasonic probe; 8. a telescopic rod; 9. a spring; 10. thickening the plate; 11. an ultrasonic detector; 12. a handle; 13. a control panel; 14. a threaded sleeve; 15. a thread groove; 16. a mounting seat; 17. a through groove; 18. a bearing; 19. a rotary valve; 20. a cover plate; 21. and adjusting the port.

Eighth, detailed description of the invention

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 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 to 4, the present invention provides a technical solution: the utility model provides a bridge prestressing force detection device, includes box 1 and telescopic link 8, the lower terminal surface of box 1 is fixed with thickening plate 10, and logical groove 17 has all been seted up to thickening plate 10's lower terminal surface four corners department, and department has seted up recess 6 in the middle of thickening plate 10's the lower terminal surface, and recess 6 internal fixation has ultrasonic transducer 7, and ultrasonic transducer 7 passes through the wire and is connected with ultrasonic detector 11 electricity, the utility model discloses in, ultrasonic detector 11's model is HC-CS201, possesses the high and low advantage of power consumption of sensitivity.

Box 1's inside bottom four corners department all is fixed with mount pad 16, it runs through logical groove 17 to run through behind box 1 and the mount pad 16 to stretch through telescopic link 8, the lower extreme of telescopic link 8 is fixed with runner 5, runner 5 is located the lower extreme that leads to groove 17, spring 9 has been cup jointed on telescopic link 8, and spring 9 is located between runner 5 and the thickening board 10, the upper end of telescopic link 8 is rotated through bearing 18 and is installed rolling valve 19, the lower extreme outside of rolling valve 19 is fixed with thread bush 14, mount pad 16's the up end outside is seted up

thread groove

15, and 14 threaded mounting of thread bush is in thread groove 15, box 1's inside bottom mounting has ultrasonic detector 11, it is fixed with the spacing piece to lead to the inside both sides of groove 17, the spacing groove has been seted up to telescopic link 8's both sides, and.

A partition plate 4 is fixed at the lower end inside a box body 1, the partition plate 4 is positioned on the upper side of an ultrasonic detector 11, a power supply 3 is fixed on the upper end face of the partition plate 4, a main board 2 is fixed at the top end inside the box body 1, a cover plate 20 is fixed at the opening of the front end face of the box body 1 through screws, adjusting ports 21 are respectively formed in the two sides of the lower end of the cover plate 20 and the two sides of the lower end of the rear end face of the box body 1, the adjusting ports 21 correspond to mounting seats 16, a control panel 13 is embedded in the middle of the upper end face of the box body 1, a handle 12 is fixed on the upper side of the rear end face of the box body 1, a worker pulls the device through the handle 12 to realize movement through rotation of a rotating wheel 5, when the detection environment is complex and the ground is uneven, a rotating valve 19 is rotated through the adjusting ports 21, the rotating valve 19 drives a threaded sleeve 14 to rotate, through the height of adjusting runner 5, make ultrasonic probe 7 be difficult for with ground and the contact of road surface stone, avoid damaging, realize the shock attenuation through spring 9 cooperation telescopic link 8, reach appointed detection position, start ultrasonic detector 11 through control panel 13, the power supply of 3, release the ultrasonic wave through ultrasonic probe 7, receive the ultrasonic wave of reflection through ultrasonic detector 11, whether there is the gap through ultrasonic detector 11 analysis bridge inside, show through control panel 13, this device of staff pulling removes on the bridge, detect through the sound wave that lasts and carry out all-round detection to the bridge, this device is small, and convenient for carry uses, and the simple operation, effectively improve work efficiency.

The working principle is as follows: the device is pulled by the handle 12, and the rotating wheel 5 is used for moving, when the detection environment is complex and the ground is uneven, the rotary valve 19 is rotated through the adjusting port 21, the rotary valve 19 drives the thread bushing 14 to rotate towards the inside of the thread groove 15, the rotary valve 19 moves downwards to drive the telescopic rod 8 to move downwards, the telescopic rod 8 drives the rotating wheel 5 to move downwards, and the height of the rotating wheel 5 is adjusted, so that the ultrasonic probe 7 is not easy to contact with the ground and road surface stones, the damping is realized by the spring 9 matching with the telescopic rod 8, the ultrasonic detector 11 is started by the control panel 13, the power supply 3 supplies power, ultrasonic waves are released through the ultrasonic probe 7, reflected ultrasonic waves are received through the ultrasonic detector 11, whether a gap exists in the bridge or not is analyzed, show through control panel 13, this device of staff pulling removes on the bridge, detects to carry out all-round detection to the bridge through the sound wave that lasts.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bridge prestressing force detection device, includes box (1) and telescopic link (8), its characterized in that: the ultrasonic detector is characterized in that a thickening plate (10) is fixed on the lower end face of the box body (1), through grooves (17) are formed in four corners of the lower end face of the thickening plate (10), a groove (6) is formed in the middle of the lower end face of the thickening plate (10), mounting seats (16) are fixed on four corners of the inner bottom end of the box body (1), the telescopic rod (8) penetrates through the through grooves (17) after penetrating through the box body (1) and the mounting seats (16), a rotating wheel (5) is fixed at the lower end of the telescopic rod (8), a rotating valve (19) is rotatably mounted at the upper end of the telescopic rod (8) through a bearing (18), a threaded sleeve (14) is fixed on the outer side of the lower end of the rotating valve (19), a threaded groove (15) is formed in the outer side of the upper end face of the mounting seat (16), the threaded sleeve (14) is threadedly mounted in the threaded groove (15), and an ultrasonic, the utility model discloses a portable ultrasonic detector, including box (1), the inside lower extreme of box (1) is fixed with baffle (4), and baffle (4) are located the upside of ultrasonic detector (11), the up end of baffle (4) is fixed with power (3), the inside top of box (1) is fixed with mainboard (2), the preceding terminal surface opening part of box (1) is through the screw fixation have apron (20).

2. The bridge prestress detection device according to claim 1, wherein: an ultrasonic probe (7) is fixed in the groove (6), and the ultrasonic probe (7) is electrically connected with an ultrasonic detector (11) through a lead.

3. The bridge prestress detection device according to claim 1, wherein: the rotating wheel (5) is located at the lower end of the through groove (17), the telescopic rod (8) is sleeved with the spring (9), and the spring (9) is located between the rotating wheel (5) and the thickening plate (10).

4. The bridge prestress detection device according to claim 1, wherein: the limiting block is fixed on two sides inside the through groove (17), the limiting grooves are formed in two sides of the telescopic rod (8), and the limiting blocks are slidably mounted in the limiting grooves.

5. The bridge prestress detection device according to claim 1, wherein: adjusting openings (21) are formed in the two sides of the lower end of the cover plate (20) and the two sides of the lower end of the rear end face of the box body (1), and the adjusting openings (21) correspond to the mounting seats (16).

6. The bridge prestress detection device according to claim 1, wherein: a control panel (13) is embedded in the middle of the upper end face of the box body (1), and a handle (12) is fixed on the upper side of the rear end face of the box body (1).