CN219416021U - Tunnel lining thickness detection device - Google Patents

Abstract

The utility model discloses a tunnel lining thickness detection device which comprises a detection shell, wherein a threaded rod is rotatably arranged in the detection shell, a moving block is sleeved on the threaded rod in a threaded manner, the threaded rod is driven to rotate by a driving motor on one side of the detection shell, a drilling motor is fixed at the bottom end of the moving block, a drill rod is arranged at one end of the drilling motor, an opening is formed in one end of the drill rod, and a scale penetrating through the detection shell is fixed at the other end of the drilling motor. After the drilling is finished, the distance between the head of the drill rod and the outer wall of the lining is fixed, namely, the distance from the head of the drill rod to the joint surface of the joint plate is a value, so that the detected thickness value is obtained at the moment and is obtained by subtracting the distance value between the drill rod and the joint plate from the scale value of the alignment scale of the light rays of the infrared laser lamp, and the measurement work is completed, so that the drilling and the measurement are synchronously carried out, and the detection efficiency is greatly improved.

Description

Tunnel lining thickness detection device

Technical Field

The utility model relates to the technical field of tunnel detection, in particular to a tunnel lining thickness detection device.

Background

Tunnel lining is a permanent structure for supporting and maintaining long-term stability and durability of a tunnel, and functions to support and maintain a space required for stabilizing and maintaining a train operation of the tunnel, prevent weathering of surrounding rocks, relieve influence of groundwater, and the like, and in the construction process of the tunnel lining, it is often necessary to detect the thickness of the tunnel lining, and the existing equipment is complicated and inconvenient to operate and use.

In the device for detecting the thickness of the tunnel lining disclosed in the Chinese patent publication No. CN208476137U, the device can be used for pre-selecting a proper position for drilling, and inserting a measuring tube for measuring the thickness of the lining after drilling, so that the device is simple and convenient, and is convenient for workers to operate and use.

Therefore, in order to solve the above-mentioned drawbacks, it is necessary to design a tunnel lining thickness detection device.

Disclosure of Invention

The utility model aims to solve the problems mentioned in the background and provides a tunnel lining thickness detection device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a tunnel lining thickness detection device, includes detects the shell, the inside rotation of detecting the shell installs the threaded rod, the movable block has been cup jointed to the screw thread on the threaded rod, and the threaded rod drives rotatoryly through the driving motor who detects shell one side, movable block bottom mounting has drilling motor, drilling motor's one end is installed the drilling rod, and detects the shell and be equipped with the opening at drilling rod one end, drilling motor's the other end is fixed with the scale that passes the detecting the shell, and drilling motor's bottom mounting has the gliding slider in detecting the shell opening, one side of detecting the shell is fixed with infrared laser lamp, and the light of infrared laser lamp aims at the initial scale of scale, it is fixed with two adhesive plates to detect the shell opposite side.

Preferably, a handle is fixed at the top of the detection shell, and an anti-slip holding sleeve is sleeved outside the handle.

Preferably, the front face of the detection shell is hinged with a door plate, and toughened glass is fixed on the inner wall of an opening of the door plate.

Preferably, the outer wall of the side of the laminating plate of the detection shell is fixed with a blocking plate, and a round hole through which the drill rod passes is formed in the blocking plate.

Preferably, the bonding surface of the bonding plate is bonded with an anti-slip pad, and the area of the anti-slip pad is the same as the area of the bonding surface of the bonding plate.

Preferably, the bottom clamping groove of the detection shell is connected with a bottom plate, and the bottom plate shields a sliding opening where the sliding block is located.

Compared with the prior art, the utility model has the following advantages:

when the detection work is carried out, the bonding plate is bonded with the drilling surface, then the infrared laser lamp is started, the drilling motor is started to rotate the drill rod, the driving motor is started to rotate the threaded rod, the moving block moves on the threaded rod and drives the drilling motor to move forward due to the limit of the sliding block, meanwhile, the graduated scale moves towards the inside of the detection shell, after the drilling is finished, the distance between the head of the drill rod and the outer wall of the lining is fixed, namely the value from the head of the drill rod to the bonding surface of the bonding plate is obtained, the detected thickness value is obtained at the moment and is the distance value between the drill rod and the bonding plate subtracted from the scale value of the alignment graduated scale of the infrared laser lamp, so that the measurement work is completed, the drilling and the measurement are synchronously carried out, and the detection efficiency is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall three-dimensional structure of a tunnel lining thickness detection device according to the present utility model;

fig. 2 is a schematic diagram of the whole front internal structure of a tunnel lining thickness detection device according to the present utility model;

FIG. 3 is a schematic diagram of the whole front external structure of a tunnel lining thickness detection device according to the present utility model;

fig. 4 is an enlarged schematic view of a structure of a portion a in fig. 2 of a tunnel lining thickness detecting device according to the present utility model;

in the figure: 1. a detection housing; 2. a threaded rod; 3. a moving block; 4. a drive motor; 5. a drilling motor; 6. a slide block; 7. a drill rod; 8. a graduated scale; 9. an infrared laser lamp; 10. bonding plates; 11. an anti-slip grip; 12. a handle; 13. an anti-slip pad; 14. a blocking plate; 15. a door panel; 16. a bottom plate.

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.

Referring to fig. 1 to 4, a tunnel lining thickness detecting device includes a detecting housing 1, a threaded rod 2 is rotatably installed inside the detecting housing 1, a moving block 3 is screw-coupled to the threaded rod 2, and the threaded rod 2 is rotated by a driving motor 4 at one side of the detecting housing 1, a drilling motor 5 is fixed at the bottom end of the moving block 3, a drill rod 7 is installed at one end of the drilling motor 5, and the detecting housing 1 is provided with an opening at one end of the drill rod 7, a scale 8 penetrating the detecting housing 1 is fixed at the other end of the drilling motor 5, and a slider 6 sliding in the opening of the detecting housing 1 is fixed at the bottom end of the drilling motor 5, an infrared laser lamp 9 is fixed at one side of the detecting housing 1, and the light of the infrared laser lamp 9 is aligned with the initial scale 8, two attaching plates 10 are fixed at the other side of the detecting housing 1, the bonding plate 10 is bonded with the drilling surface, then the drilling motor 5 is started after the infrared laser lamp 9 is started to rotate the drill rod 7, the driving motor 4 is started again to rotate the threaded rod 2, the moving block 3 moves on the threaded rod 2 and drives the drilling motor 5 to move forward due to the limit of the sliding block 6, meanwhile, the graduated scale 8 moves towards the inside of the detection shell 1, after the drilling is finished, the distance between the head of the drill rod 7 and the lining outer wall is fixed, namely, the value of the bonding surface from the head of the drill rod 7 to the bonding plate 10 is obtained, the detected thickness value is obtained at the moment, the value of the distance between the drill rod 7 and the bonding plate 10 is subtracted from the graduated scale 8 of the light of the infrared laser lamp 9, so that the measurement work is completed, the drilling and the measurement are synchronously carried out, the detection efficiency is greatly improved, and the detection is noted that when the drilling motor 5 is in the initial position after being reset, the light of the infrared laser lamp 9 is aligned with the initial graduation of the graduation scale 8.

It should be noted that the top of the detection housing 1 is fixed with a handle 12, and the outside of the handle 12 is sleeved with an anti-slip grip 11, so that the handle 12 can be held by both hands during measurement, the grip strength can be increased by the anti-slip grip 11, slipping of hands is avoided, and stability is improved.

It is worth mentioning that the front of detecting shell 1 articulates there is door plant 15, and door plant 15 opening inner wall is fixed with toughened glass, can carry in a lot of piece dust to detecting shell 1 inside after drilling like this and reset, can observe inside cleanliness through the toughened glass of door plant 15 this moment to open door plant 15 when needs the clearance can, very fine use.

It should be noted that the outer wall of the side of the attaching plate 10 of the detection housing 1 is fixed with a blocking plate 14, and a round hole through which the drill rod 7 passes is formed in the blocking plate 14, so that the blocking plate 14 can play a role in blocking during drilling, and some chips are prevented from splashing into the detection housing 1 through the opening.

It should be noted that the anti-slip pad 13 is adhered to the bonding surface of the bonding plate 10, and the area of the anti-slip pad 13 is the same as that of the bonding surface of the bonding plate 10, so that the bonding between the bonding plate 10 and the lining outer wall is more stable due to the anti-slip pad 13, and the deviation caused by vibration is avoided.

It should be noted that, the bottom clamping groove of the detection housing 1 is connected with the bottom plate 16, and the bottom plate 16 shields the sliding opening where the sliding block 6 is located, so that when the detection housing 1 is not used to be placed underground, more dust exists on the ground due to the working environment, the bottom of the detection housing 1 is easy to be polluted, and some dust easily enters the interior from the sliding opening where the sliding block 6 is located, at the moment, the bottom plate 16 can play a good protective role, and the clamping groove is connected so as to facilitate disassembly and cleaning.

Working principle: when the infrared laser drilling machine is used, hold the handle 12 and laminate the plywood 10 with the drilling face, then start infrared laser lamp 9 back again drilling motor 5 makes drilling rod 7 rotate, restart driving motor 4 makes threaded rod 2 rotate, because the spacing of slider 6, make movable block 3 remove and drive drilling motor 5 advance on threaded rod 2, scale 8 is toward detecting shell 1 inside removal simultaneously, after drilling finishes, because the head of drilling rod 7 is fixed with lining outer wall distance, namely the numerical value of the laminating face of drilling rod 7 to laminating plate 10, then can obtain the thickness numerical value that detects this moment for infrared laser lamp 9 light alignment scale 8 numerical value subtracts the distance numerical value between drilling rod 7 and the plywood 10, thereby accomplish measurement work, drilling and measurement are gone on in step like this, thereby detection efficiency has been improved greatly, note that when drilling motor 5 resets back in initial position, infrared laser lamp 9's light alignment scale 8 initial scale has just been accomplished, the utility model has the advantage that work efficiency is high scale just like this, and use comparatively portably worth using.

In the present utility model, unless explicitly specified and limited otherwise, the terms "slide", "rotate", "fixed", "provided" and the like are to be construed broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a tunnel lining thickness detection device, includes detects shell (1), its characterized in that, the inside rotation of detecting shell (1) installs threaded rod (2), threaded rod (2) go up the screw thread and cup jointed movable block (3), and threaded rod (2) drive rotatoryly through driving motor (4) of detecting shell (1) one side, movable block (3) bottom mounting has drilling motor (5), drilling rod (7) are installed to the one end of drilling motor (5), and detect shell (1) are equipped with the opening in drilling rod (7) one end, the other end of drilling motor (5) is fixed with scale (8) that pass detect shell (1), and the bottom mounting of drilling motor (5) has slider (6) that slides in detecting shell (1) opening, one side of detecting shell (1) is fixed with infrared laser lamp (9), and the light of infrared laser lamp (9) aims at scale (8) initial scale, detecting shell (1) opposite side is fixed with two and pastes plywood (10).

2. The tunnel lining thickness detection device according to claim 1, wherein a handle (12) is fixed to the top of the detection housing (1), and an anti-slip grip sleeve (11) is sleeved outside the handle (12).

3. The tunnel lining thickness detection device according to claim 1, wherein the front surface of the detection housing (1) is hinged with a door plate (15), and toughened glass is fixed on the inner wall of an opening of the door plate (15).

4. A tunnel lining thickness detection device according to claim 1, wherein the outer wall of the detection housing (1) on the side of the attaching plate (10) is fixed with a blocking plate (14), and the blocking plate (14) is provided with a round hole through which the drill rod (7) passes.

5. The tunnel lining thickness detection device according to claim 1, wherein the bonding surface of the bonding plate (10) is bonded with an anti-slip pad (13), and the area of the anti-slip pad (13) is the same as the bonding surface area of the bonding plate (10).

6. The tunnel lining thickness detection device according to claim 1, wherein a bottom clamping groove of the detection housing (1) is connected with a bottom plate (16), and the bottom plate (16) shields a sliding opening where the sliding block (6) is located.