CN216432889U

CN216432889U - Bridge tunnel crack depth measuring instrument

Info

Publication number: CN216432889U
Application number: CN202122973621.6U
Authority: CN
Inventors: 宋振财
Original assignee: Shenhua Ganquan Railway Co Ltd
Current assignee: Shenhua Ganquan Railway Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-03
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a bridge detects technical field, and discloses a bridge tunnel crack depth measuring apparatu, comprising a base plate, damper is all installed to four ends in the bottom of bottom plate, the universal wheel is installed to damper's bottom, the top surface middle part of bottom plate is fixed with the fixed case. This bridge tunnel crack depth measuring apparatu, through setting up the protection casing, gu fixed ring, first spring and loose ring recover, the protection casing can be protected acoustic generator, the protection casing highly equals with acoustic generator, can effectually avoid acoustic generator and the great and damage that receives of the conflict power of detection face, can fix the top at the rotor plate with the protection casing through four screws on solid fixed ring, the loose ring cup joints the outside upper end at the protection casing and is connected with the solid fixed ring of protection casing outside lower extreme through first spring that recovers, can effectual increase is to acoustic generator's protection scope, in order to avoid acoustic generator to receive the damage because of colliding with external object.

Description

Bridge tunnel crack depth measuring instrument

Technical Field

The utility model relates to a bridge detects technical field, specifically is a bridge tunnel crack depth measuring apparatu.

Background

The crack depth tester applies a sound wave diffraction principle, is an intelligent nondestructive testing device integrating testing, storage and transmission, and is mainly used for measuring the depth of a concrete crack and the propagation speed of ultrasonic waves in concrete.

Some fracture depth measuring instruments on the market today:

when the crack depth measuring instrument is used, the crack depth measuring instrument is firstly moved to a proper position, then the driving mechanism is started to drive the crack depth measuring instrument to move upwards, the bridge and the tunnel are detected through the sound wave generator, and when the crack depth measuring instrument is moved, the structure of the bottom of the bridge or the tunnel is complex and is easy to collide with the sound wave generator, so that the sound wave generator is damaged.

Therefore, we propose a bridge and tunnel crack depth measuring instrument so as to solve the problems proposed in the above.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough among the above-mentioned background art, the utility model aims to provide a bridge tunnel crack depth measuring apparatu to solve some bridge tunnel crack depth measuring apparatus on the existing market that propose in the above-mentioned background art, when having moved crack depth measuring apparatu, because the structure of bridge or tunnel bottom is complicated, collide with acoustic generator easily, thereby lead to the problem of acoustic generator damage.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a bridge tunnel crack depth measuring instrument comprises a bottom plate, wherein four ends of the bottom plate are respectively provided with a damping assembly, universal wheels are arranged at the bottom of the damping assembly, a fixed box is fixed in the middle of the top surface of the bottom plate, a driving motor is arranged on the inner bottom wall of the fixed box, the output end of the driving motor is connected with a threaded rod through a coupling, the top end of the threaded rod is rotatably connected with the inner top wall of the fixed box through a bearing, two limiting holes are formed in the top of the fixed box, the outer side of the threaded rod is in threaded connection with a lifting frame, two sides of the lifting frame respectively penetrate through the two limiting holes, the top of the lifting frame is fixedly provided with a mounting seat, the inner side of the mounting seat is rotatably connected with a rotating plate, a torsional spring is fixed at the joint of the rotating plate and the mounting seat, a sound wave generator is arranged in the middle of the top surface of the rotating plate, and a protective cover is sleeved outside the sound wave generator, the outside lower extreme of protection casing is fixed with solid fixed ring, gu fixed ring's top is fixed with first reset spring, first reset spring cup joints with the outside of protection casing, the activity ring has been cup jointed to the outside upper end of protection casing, the bottom of activity ring is fixed with the top of first reset spring, the telescopic link is all installed at the top both ends of rotor plate, the top of telescopic link is fixed with the fixed plate, the gyro wheel is installed at the top of fixed plate, the bottom of fixed plate is fixed with second reset spring, second reset spring cup joints with the telescopic link, second reset spring's bottom is fixed with the top of rotor plate, the right side of fixed case is fixed with the power supply box, the controller is installed to the front side of fixed case.

Preferably, the shock-absorbing assembly comprises a loop bar, the top end of the loop bar is fixed to the bottom of the bottom plate, an inserted bar is inserted into the bottom end of the loop bar, the bottom end of the inserted bar is connected with the universal wheel, a damping spring is fixed to the inner top wall of the loop bar, the bottom end of the damping spring is fixed to the top end of the inserted bar, and the shock-absorbing assembly can be used for achieving the purpose of absorbing shock of the crack depth measuring instrument.

Preferably, driving motor's bottom is fixed with the motor cabinet, the equal threaded connection in four ends in top of motor cabinet has the bolt, driving motor passes through four bolts on the motor cabinet and fixes with the interior diapire of fixed case, can be through four bolts on the motor cabinet to dismantle driving motor.

Preferably, the top threaded connection of solid fixed ring has four screws that are the annular and arrange, gu fixed ring is fixed through the top of four screws and rotor plate, can be through four screws at solid fixed ring top to dismantle the protection casing.

Furthermore, the front side of power supply box is provided with charging socket, charging socket's inboard is pegged graft and is had dustproof stopper, can pass through charging socket inboard dustproof stopper to reach and carry out dirt-proof purpose to charging socket.

Furthermore, the front side of the dustproof plug is bonded with a first connecting sheet, the front end of the first connecting sheet is fixedly provided with a connecting wire, one end, away from the first connecting sheet, of the connecting wire is fixedly provided with a second connecting sheet, the rear side of the second connecting sheet is connected with the front side of the power box in an inserting mode, and the dustproof plug can be prevented from being lost due to the fact that the dustproof plug is pulled out from the charging socket.

Furthermore, the power box internally mounted has the battery, driving motor and sound generator all are connected with the controller.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the bridge tunnel crack depth measuring instrument comprises:

when using, through setting up the protection casing, gu fixed ring, first reset spring and loose ring, the protection casing can be protected sound generator, the protection casing highly equals with sound generator, can effectually avoid sound generator and the great and damage of the conflict power of detection face, can fix the top at the rotor plate with the protection casing through four screws on solid fixed ring, the loose ring cup joints the outside upper end at the protection casing and is connected through the solid fixed ring of first reset spring with protection casing outside lower extreme, can effectual increase is to sound generator's protection zone, receive the damage because of colliding with external object in order to avoid sound generator.

Drawings

Fig. 1 is a schematic view of a main-view section structure of the bridge and tunnel crack depth measuring instrument of the present invention;

FIG. 2 is a schematic view of a front view cross-sectional structure of a damping assembly of the bridge and tunnel crack depth measuring instrument of the present invention;

fig. 3 is a schematic view of a front view cross-sectional structure of the mounting seat of the bridge and tunnel crack depth measuring instrument of the present invention;

fig. 4 is a schematic perspective view of the protective cover of the bridge and tunnel crack depth measuring instrument of the present invention;

fig. 5 is a schematic view of the appearance structure of the power box of the bridge and tunnel crack depth measuring instrument according to the present invention;

fig. 6 is the utility model discloses the main outward appearance structure sketch map of bridge tunnel crack depth measuring apparatu's fixed case.

In the figure: 1. a base plate; 2. a shock absorbing assembly; 201. a loop bar; 202. inserting a rod; 203. a damping spring; 3. a universal wheel; 4. a fixed box; 5. a drive motor; 6. a threaded rod; 7. a limiting hole; 8. a lifting frame; 9. a mounting seat; 10. a rotating plate; 11. a torsion spring; 12. an acoustic wave generator; 13. a protective cover; 14. a fixing ring; 15. a first return spring; 16. a movable ring; 17. a telescopic rod; 18. a fixing plate; 19. a second return spring; 20. a roller; 21. a power supply box; 22. a charging jack; 23. a dust plug; 24. a first connecting piece; 25. a connecting wire; 26. a second connecting sheet; 27. and a controller.

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. 1-6, the present invention provides a crack depth measuring instrument for bridge and tunnel; the damping device comprises a bottom plate 1, damping assemblies 2 are respectively arranged at four ends of the bottom plate 1, universal wheels 3 are arranged at the bottoms of the damping assemblies 2, a fixed box 4 is fixed at the middle part of the top surface of the bottom plate 1, a driving motor 5 is arranged on the inner bottom wall of the fixed box 4, the output end of the driving motor 5 is connected with a threaded rod 6 through a coupler, the top end of the threaded rod 6 is rotatably connected with the inner top wall of the fixed box 4 through a bearing, two limiting holes 7 are formed in the top part of the fixed box 4, a lifting frame 8 is in threaded connection with the outer side of the threaded rod 6, two sides of the lifting frame 8 respectively penetrate through the two limiting holes 7, a mounting seat 9 is fixed at the top part of the lifting frame 8, a rotating plate 10 is rotatably connected to the inner side of the mounting seat 9, a torsion spring 11 is fixed at the joint of the rotating plate 10 and the mounting seat 9, a sound generator 12 is arranged in the middle part of the top surface of the rotating plate 10, and a protective cover 13 is sleeved outside the sound generator 12, a fixed ring 14 is fixed at the lower end of the outer side of the protective cover 13, a first restoring spring 15 is fixed at the top of the fixed ring 14, the first restoring spring 15 is sleeved with the outer side of the protective cover 13, a movable ring 16 is sleeved at the upper end of the outer side of the protective cover 13, the bottom of the movable ring 16 is fixed with the top of the first restoring spring 15, telescopic rods 17 are installed at two ends of the top of the rotating plate 10, a fixed plate 18 is fixed at the top end of each telescopic rod 17, rollers 20 are installed at the top of the fixed plate 18, a second restoring spring 19 is fixed at the bottom of the fixed plate 18, the second restoring spring 19 is sleeved with the telescopic rods 17, the bottom end of the second restoring spring 19 is fixed with the top of the rotating plate 10, a power supply box 21 is fixed at the right side of the fixed box 4, and a controller 27 is installed at the front side of the fixed box 4;

as an optimal technical solution of the utility model: the damping assembly 2 comprises a loop bar 201, the top end of the loop bar 201 is fixed with the bottom of the bottom plate 1, an inserted link 202 is inserted into the bottom end of the loop bar 201, the bottom end of the inserted link 202 is connected with the universal wheel 3, a damping spring 203 is fixed on the inner top wall of the loop bar 201, the bottom end of the damping spring 203 is fixed with the top end of the inserted link 202, and the purpose of damping the crack depth measuring instrument can be achieved through the damping assembly 2;

as an optimal technical solution of the utility model: a motor base is fixed at the bottom of the driving motor 5, bolts are connected to four ends of the top of the motor base in a threaded manner, the driving motor 5 is fixed to the inner bottom wall of the fixing box 4 through four bolts on the motor base, and the driving motor 5 can be conveniently detached through the four bolts on the motor base;

as an optimal technical solution of the utility model: the top of the fixed ring 14 is in threaded connection with four screws which are arranged in a ring shape, the fixed ring 14 is fixed with the top of the rotating plate 10 through the four screws, and the four screws at the top of the fixed ring 14 can be used for conveniently disassembling the protective cover 13;

as a preferred technical solution of the utility model: a charging socket 22 is arranged on the front side of the power box 21, a dustproof plug 23 is inserted into the inner side of the charging socket 22, and the purpose of preventing dust on the charging socket 22 can be achieved through the dustproof plug 23 on the inner side of the charging socket 22;

as an optimal technical solution of the utility model: a first connecting piece 24 is bonded on the front side of the dustproof plug 23, a connecting line 25 is fixed on the front end of the first connecting piece 24, a second connecting piece 26 is fixed on one end, far away from the first connecting piece 24, of the connecting line 25, the rear side of the second connecting piece 26 is connected with the front side of the power box 21 in an inserting mode, and the dustproof plug 23 pulled out from the charging jack 22 can be prevented from being lost through the matching among the first connecting piece 24, the connecting line 25 and the second connecting piece 26;

as a preferred technical solution of the utility model: the power box 21 is internally provided with a storage battery, and the storage battery, the driving motor 5 and the sound generator 12 are all connected with the controller 27.

The working principle of the embodiment is as follows: when the bridge and tunnel crack depth measuring instrument is used, as shown in figures 1-6, the crack depth measuring instrument is firstly moved to a proper position through the universal wheels 3 below the bottom plate 1, in the moving process, the damping component 2 is used for damping, then the driving motor 5 is started, the lifting frame 8 is driven to move upwards through the threaded rod 6, when the roller 20 is contacted with the detection surface, the rotating plate 10 is driven to rotate according to the inclination angle of the detection surface, so that the rotating plate 10 is parallel to the detection surface, at the moment, the movable ring 16 downwards extrudes the torsion spring 11, so that the sound wave generator 12 is in contact with the detection surface, the height value of the protective cover 13 is equal to the height value of the sound wave generator 12, so that the damage of the sound wave generator 12 due to large interference force with the detection surface can be effectively avoided, the above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "set", "mounted", "connected", "fixed", and the like are to be interpreted broadly, and may be, for example, either fixedly connected or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art; it will be appreciated by those skilled in the art that modifications may be made to the above-described embodiments, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and the like which fall within the spirit and scope of the present invention may be resorted to.

Claims

1. The utility model provides a bridge tunnel crack depth measuring apparatu, includes bottom plate (1), its characterized in that, damper (2) are all installed at four ends in the bottom of bottom plate (1), universal wheel (3) are installed to damper (2)'s bottom, the top surface middle part of bottom plate (1) is fixed with fixed case (4), driving motor (5) are installed to the inner diapire of fixed case (4), driving motor's (5) output has threaded rod (6) through the coupling joint, the top of threaded rod (6) is rotated with the interior roof of fixed case (4) through the bearing and is connected, two spacing holes (7) have been seted up at the top of fixed case (4), the outside threaded connection of threaded rod (6) has lift frame (8), two spacing holes (7) are run through respectively to the both sides of lift frame (8), the top of lift frame (8) is fixed with mount pad (9), the inner side of the mounting seat (9) is rotatably connected with a rotating plate (10), a torsion spring (11) is fixed at the joint of the rotating plate (10) and the mounting seat (9), a sound wave generator (12) is mounted in the middle of the top surface of the rotating plate (10), a protective cover (13) is sleeved on the outer side of the sound wave generator (12), a fixing ring (14) is fixed at the lower end of the outer side of the protective cover (13), a first recovery spring (15) is fixed at the top of the fixing ring (14), the first recovery spring (15) is sleeved with the outer side of the protective cover (13), a movable ring (16) is sleeved at the upper end of the outer side of the protective cover (13), the bottom of the movable ring (16) is fixed with the top of the first recovery spring (15), telescopic rods (17) are mounted at two ends of the top of the rotating plate (10), and a fixing plate (18) is fixed at the top end of the telescopic rod (17), gyro wheel (20) are installed at the top of fixed plate (18), the bottom of fixed plate (18) is fixed with second and restores spring (19), second restores spring (19) and telescopic link (17) and cup joints, the bottom that the second restores spring (19) is fixed with the top of rotor plate (10), the right side of fixed case (4) is fixed with power supply box (21), controller (27) are installed to the front side of fixed case (4).

2. The bridge and tunnel crack depth measuring instrument is characterized in that the shock absorption assembly (2) comprises a sleeve rod (201), the top end of the sleeve rod (201) is fixed with the bottom of the bottom plate (1), an inserted rod (202) is inserted into the bottom end of the sleeve rod (201), the bottom end of the inserted rod (202) is connected with the universal wheel (3), a damping spring (203) is fixed on the inner top wall of the sleeve rod (201), and the bottom end of the damping spring (203) is fixed with the top end of the inserted rod (202).

3. The bridge and tunnel crack depth measuring instrument according to claim 1, characterized in that a motor base is fixed at the bottom of the driving motor (5), bolts are connected to four ends of the top of the motor base in a threaded manner, and the driving motor (5) is fixed to the inner bottom wall of the fixing box (4) through four bolts on the motor base.

4. The bridge and tunnel crack depth measuring instrument according to claim 1, characterized in that the top of the fixing ring (14) is threaded with four screws arranged in a ring shape, and the fixing ring (14) is fixed with the top of the rotating plate (10) through the four screws.

5. The bridge and tunnel crack depth measuring instrument of claim 1, wherein a charging socket (22) is arranged on the front side of the power box (21), and a dust plug (23) is inserted into the inner side of the charging socket (22).

6. The bridge and tunnel crack depth measuring instrument is characterized in that a first connecting piece (24) is bonded on the front side of the dustproof plug (23), a connecting line (25) is fixed on the front end of the first connecting piece (24), a second connecting piece (26) is fixed on one end, away from the first connecting piece (24), of the connecting line (25), and the rear side of the second connecting piece (26) is inserted into the front side of the power box (21).

7. The bridge and tunnel crack depth measuring instrument according to claim 1, characterized in that a storage battery is installed inside the power box (21), and the storage battery, the driving motor (5) and the sound generator (12) are all connected with the controller (27).