CN220230475U

CN220230475U - Tunnel crack depth measuring instrument

Info

Publication number: CN220230475U
Application number: CN202321970159.7U
Authority: CN
Inventors: 朱辉
Original assignee: Third Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-22
Anticipated expiration: 2033-07-26

Abstract

The utility model belongs to the technical field of tunnel crack measurement, in particular to a tunnel crack depth measuring instrument which comprises a detector and a supporting device, wherein two connecting wires are inserted into the inner wall of the detector, and one end of each connecting wire, which is far away from the detector, is fixedly connected with a probe; the surface of the two probes is provided with a supporting device, the supporting device comprises two placing blocks, the two placing blocks are positioned under the probes, the upper surfaces of the placing blocks are fixedly connected with a supporting plate, the surfaces of the supporting plate are provided with sliding grooves, the surfaces of the two placing blocks are provided with adjusting devices, the adjusting devices comprise placing plates, the placing plates are sleeved on the surfaces of the two placing blocks, the surfaces of the placing blocks are rotationally connected with two rollers, and the side walls of the placing plates are fixedly connected with fixing plates; can support the probe to a certain extent through setting up backup pad and slide bar, the threaded rod also can be according to demand adjustment probe height simultaneously to reach the effect that also can detect the crack when height is insufficient.

Description

Tunnel crack depth measuring instrument

Technical Field

The utility model relates to the technical field of tunnel crack measurement, in particular to a tunnel crack depth measuring instrument.

Background

The comprehensive crack detector is used for accurately detecting the width and depth of cracks of bridges, tunnels, buildings, concrete pavements, metal surfaces and the like; wave speed measurement is not needed in the process of specially designing the crack sounding, the image automatic identification and width intelligent computing technology is greatly simplified in the field operation steps, the crack position is not needed to be adjusted, the crack automatic identification and computing are convenient and quick in field detection, real-time display is achieved, and the intelligent degree is high.

One Chinese patent of Chinese patent application CN112229354A discloses a highway bridge tunnel crack depth measuring instrument, which has the technical scheme that: through setting up protector, before using, insert the measuring head in the positioning tube, the measuring head promotes the clearance piece, the clearance piece drives lag, the transfer line, guide block and slider displacement, compression spring atress extrusion deformation produces elasticity, the guide block is along heliciform guide slot displacement when the displacement, the guide block drives transfer line and clearance piece rotation, the clearance piece is cleaned the surface of measuring head, pull out the measuring head after accomplishing the clearance, compression spring drives slider, the transfer line, guide rod and lag reset.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the safety detection is carried out on the tunnel, a crack depth measuring instrument is needed, the crack depth of the inner wall of the tunnel is measured through the measuring instrument, and as most of probes on the measuring instrument are fixed only through hand holding, the problem that the probes cannot move to the corresponding height is likely to occur when the crack height is higher; therefore, a tunnel crack depth measuring instrument is proposed for the above problems.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a tunnel crack depth measuring instrument which comprises a detector and a supporting device, wherein two connecting wires are inserted into the inner wall of the detector, and one end of each connecting wire, which is far away from the detector, is fixedly connected with a probe; the surface of two the probe is provided with a supporting device, the supporting device comprises two placing blocks, two placing blocks are located under the probe, the upper surface of each placing block is fixedly connected with a supporting plate, a sliding groove is formed in the surface of each supporting plate, a sliding rod is connected to the inner wall of each sliding groove in a sliding mode, the outer surface of the probe is connected with the inner wall of each sliding rod in a threaded mode, when the height of the probe needs to be adjusted, the sliding rods are pulled to enable the sliding rods to slide on the inner walls of the sliding grooves of the supporting plates, and the probe can be supported to a certain extent through the placing blocks, the supporting plates and the sliding rods.

Preferably, the upper surface rotation of placing the piece is connected with the threaded rod, the fixed surface of slide bar is connected with the movable block, the inner wall and the threaded rod surface threaded connection of movable block can rotate at the movable block inner wall when the threaded rod rotates, and the movable block can drive slide bar shift position, and the setting of threaded rod can adjust the height of slide bar to a certain extent.

Preferably, the fixed surface of backup pad is connected with the connecting block, the bottom and the threaded rod upper surface of connecting block rotate and are connected, the fixed surface of threaded rod is connected with the knob, when needs remove the movable block, promotes the knob and lets the knob drive the threaded rod and rotate, and the threaded rod rotates in the connecting block bottom, and the knob can make things convenient for the threaded rod to rotate to a certain extent.

Preferably, the surface of movable block has seted up the screw hole, the screw hole inner wall and the threaded rod surface threaded connection of movable block can rotate at the screw hole inner wall of movable block when the threaded rod rotates, and the seting up of screw hole can let the threaded rod rotate to a certain extent.

Preferably, two the surface of placing the piece is equipped with adjusting device, adjusting device is including placing the board, place the board cover and place the surface of piece at two, the surface rotation of placing the piece is connected with two gyro wheels, the lateral wall fixedly connected with fixed plate of placing the board can drive the gyro wheel and place the inboard wall roll of board when placing the piece and slide, can conveniently adjust the position of placing the piece through setting up and placing board, gyro wheel.

Preferably, a plurality of locating holes are formed in the surface of the fixing plate, locating pins are connected with the inner walls of the locating holes of the fixing plate and the inner walls of the placing blocks in a threaded mode, and after the placing blocks move to the proper positions, the locating pins are rotated to the inner walls of the locating holes of the fixing plate and the inner walls of the placing blocks, and the locating pins can limit the positions of the placing blocks.

The utility model has the advantages that:

1. when the probe is needed to be used, the probe is rotated to the inner wall of the slide bar, the supporting plate is raised again, the placing block is attached to the ground, then the knob is rotated to drive the threaded rod to rotate, the threaded rod rotates at the bottom end of the connecting block, the threaded rod also rotates at the inner wall of the threaded hole of the moving block when rotating, the moving block drives the slide bar to slide on the inner wall of the slide groove of the supporting plate, the probe is driven to move when the slide bar slides, after the probe moves to a proper height, the supporting plate is moved to drive the slide bar and the probe to move towards the crack, the detector is operated to detect after the probe is attached to the crack, the probe can be supported to a certain extent by arranging the supporting plate and the slide bar, and meanwhile, the height of the probe can be adjusted according to requirements, so that the effect of detecting the crack can be achieved when the height is insufficient.

2. When the gap width is large and the interval between two probes needs to be adjusted, the placing block is pushed to drive the supporting plate to slide, the placing block can drive the roller to roll on the inner surface of the placing plate when moving, after the placing block moves to a proper position, the positioning pin is rotated to the inner wall of the positioning hole of the fixed plate and the inner wall of the placing block, the placing block can be conveniently placed to a certain extent through the roller, and meanwhile, the placing block is limited by the positioning pin, so that the effects of conveniently adjusting the probe position and fixing the probe position are achieved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of a detector according to a first embodiment;

FIG. 2 is a schematic view of an exploded structure of a supporting device according to the first embodiment;

FIG. 3 is a schematic side view of a detector according to the first embodiment;

FIG. 4 is a schematic diagram of the structure A in FIG. 3 according to the first embodiment;

fig. 5 is a schematic perspective view of a film in the second embodiment.

In the figure: 1. a detector; 2. a connecting wire; 3. a probe; 4. a support device; 41. placing a block; 42. a support plate; 43. a slide bar; 44. a chute; 45. a threaded rod; 46. a moving block; 47. a knob; 48. a connecting block; 49. a threaded hole; 5. an adjusting device; 51. placing a plate; 52. a roller; 53. a fixing plate; 54. positioning holes; 55. a positioning pin; 6. a film.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a tunnel crack depth measuring instrument comprises a detector 1 and a supporting device 4, wherein two connecting wires 2 are inserted into the inner wall of the detector 1, and a probe 3 is fixedly connected to one end of the connecting wire 2 away from the detector 1; the surface of the two probes 3 is provided with a supporting device 4, the supporting device 4 comprises two placing blocks 41, the two placing blocks 41 are positioned right below the probes 3, the upper surface of each placing block 41 is fixedly connected with a supporting plate 42, the surface of each supporting plate 42 is provided with a sliding groove 44, the inner wall of each sliding groove 44 of each supporting plate 42 is slidably connected with a sliding rod 43, and the outer surface of each probe 3 is in threaded connection with the inner wall of each sliding rod 43; during operation, the probe 3 is rotated to the inner wall of the sliding rod 43, then the movable placing block 41 and the supporting plate 42 are moved, the sliding rod 43 is driven to slide when the supporting plate 42 is moved, the sliding rod 43 drives the probe 3 to be attached to the inner wall of a tunnel, when the height of the probe 3 needs to be adjusted, the sliding rod 43 is pulled to enable the sliding rod 43 to slide on the inner wall of the sliding groove 44 of the supporting plate 42, and the probe 3 can be supported to a certain extent through the arrangement of the placing block 41, the supporting plate 42 and the sliding rod 43.

The upper surface of the placement block 41 is rotatably connected with a threaded rod 45, the surface of the sliding rod 43 is fixedly connected with a moving block 46, and the inner wall of the moving block 46 is in threaded connection with the outer surface of the threaded rod 45; during operation, when the threaded rod 45 rotates, the inner wall of the moving block 46 rotates, the moving block 46 drives the sliding rod 43 to move, and the height of the sliding rod 43 can be adjusted to a certain extent through the arrangement of the threaded rod 45.

The surface of the supporting plate 42 is fixedly connected with a connecting block 48, the bottom end of the connecting block 48 is rotationally connected with the upper surface of the threaded rod 45, and the surface of the threaded rod 45 is fixedly connected with a knob 47; when the rotary knob 47 is pushed in operation, the rotary knob 47 drives the threaded rod 45 to rotate, the threaded rod 45 rotates at the bottom end of the connecting block 48, and the rotary knob 47 can facilitate the rotation of the threaded rod 45 to a certain extent.

A threaded hole 49 is formed in the surface of the movable block 46, and the inner wall of the threaded hole 49 of the movable block 46 is in threaded connection with the outer surface of the threaded rod 45; during operation, when the threaded rod 45 rotates, the inner wall of the threaded hole 49 of the moving block 46 rotates, and the threaded hole 49 can rotate the threaded rod 45 to a certain extent.

The surface of the placing block 41 is provided with an adjusting device 5, the adjusting device 5 comprises a placing plate 51, the placing plate 51 is sleeved on the surfaces of the two placing blocks 41, the surface of the placing block 41 is rotatably connected with two rollers 52, and the side wall of the placing plate 51 is fixedly connected with a fixing plate 53; during operation, the placing block 41 is pushed to enable the placing block 41 to slide on the inner wall of the placing plate 51, and the placing block 41 can drive the roller 52 to roll on the inner wall of the placing plate 51 when sliding, so that the position of the placing block 41 can be conveniently adjusted by arranging the placing plate 51 and the roller 52.

A plurality of positioning holes 54 are formed in the surface of the fixing plate 53, and positioning pins 55 are connected with the inner walls of the positioning holes 54 of the fixing plate 53 and the inner walls of the placing blocks 41 in a threaded manner; in operation, the positioning pin 55 is rotated to the inner wall of the positioning hole 54 of the fixing plate 53 and the inner wall of the placement block 41, and the positioning pin 55 can restrict the position of the placement block 41.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, a thin film 6 is magnetically attracted to a side wall of the detector 1, and the thin film 6 is a magnetic film; during operation, the film 6 is magnetically attracted to the surface of the detector 1, and the possibility that the finger scratches the touch screen of the detector 1 can be reduced to a certain extent due to the arrangement of the film 6.

The working principle is that when the probe 3 is needed, the probe 3 is rotated to the inner wall of the slide bar 43, the supporting plate 42 is raised again, the placing block 41 is attached to the ground, then the knob 47 is rotated, the knob 47 drives the threaded rod 45 to rotate, the threaded rod 45 rotates at the bottom end of the connecting block 48, the threaded rod 45 also rotates at the inner wall of the threaded hole 49 of the moving block 46 when rotating, the moving block 46 drives the slide bar 43 to slide, the slide bar 43 slides at the inner wall of the slide groove 44 of the supporting plate 42, the probe 3 is driven to move when the slide bar 43 slides, after the probe 3 moves to a proper height, the supporting plate 42 is moved, the supporting plate 42 drives the slide bar 43 and the probe 3 to move towards the crack, the detector 1 is operated to detect after the probe 3 is attached to the crack, the probe 3 can be supported to a certain extent by arranging the supporting plate 42 and the slide bar 43, simultaneously, the height of the probe 3 can be adjusted according to the requirement by the threaded rod 45, thereby achieving the effect of detecting cracks when the height is insufficient, pushing the placing block 41 to enable the placing block 41 to drive the supporting plate 42 to slide when the gap width is large and the interval between the two probes 3 needs to be adjusted, driving the roller 52 to roll on the inner surface of the placing plate 51 when the placing block 41 moves, rotating the positioning pin 55 to the inner wall of the positioning hole 54 of the fixing plate 53 and the inner wall of the placing block 41 after the placing block 41 moves to a proper position, conveniently placing the position of the block 41 to a certain extent by arranging the roller 52, and simultaneously limiting the position of the placing block 41 by the positioning pin 55, thereby achieving the effect of conveniently adjusting the position of the probe 3 and fixing the position of the probe 3.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a tunnel crack depth measuring apparatu, includes detector (1) and strutting arrangement (4), the inner wall of detector (1) is inserted and is equipped with two connecting wires (2), the one end that detector (1) was kept away from to connecting wire (2) is fixedly connected with probe (3); the method is characterized in that: the surface of two probe (3) is equipped with strutting arrangement (4), strutting arrangement (4) are including two place piece (41), two place piece (41) are located under probe (3), the last fixed surface who places piece (41) is connected with backup pad (42), spout (44) have been seted up on the surface of backup pad (42), spout (44) inner wall sliding connection of backup pad (42) has slide bar (43), the inner wall threaded connection of probe (3) surface and slide bar (43).

2. The tunnel fracture depth gauge according to claim 1, wherein: the upper surface of placing piece (41) rotates and is connected with threaded rod (45), the fixed surface of slide bar (43) is connected with movable block (46), the inner wall and the threaded rod (45) surface threaded connection of movable block (46).

3. The tunnel fracture depth gauge according to claim 2, wherein: the surface fixedly connected with connecting block (48) of backup pad (42), the bottom of connecting block (48) rotates with threaded rod (45) upper surface to be connected, the surface fixedly connected with knob (47) of threaded rod (45).

4. A tunnel fracture depth gauge according to claim 3, wherein: a threaded hole (49) is formed in the surface of the moving block (46), and the inner wall of the threaded hole (49) of the moving block (46) is in threaded connection with the outer surface of the threaded rod (45).

5. The tunnel fracture depth gauge according to claim 1, wherein: two the surface of placing piece (41) is equipped with adjusting device (5), adjusting device (5) are including placing board (51), place board (51) cover at the surface of two placing pieces (41), the surface rotation of placing piece (41) is connected with two gyro wheels (52), the lateral wall fixedly connected with fixed plate (53) of placing board (51).

6. The tunnel fracture depth gauge according to claim 5, wherein: a plurality of locating holes (54) are formed in the surface of the fixing plate (53), and locating pins (55) are connected with the inner walls of the locating holes (54) of the fixing plate (53) and the inner walls of the placing blocks (41) in a threaded mode.