阅读说明：本技术 一种隧道衬砌无损检测装置 (Tunnel lining nondestructive test device ) 是由 曾开华 戴红涛 田海 李学军 李汉龙 于 2020-06-10 设计创作，主要内容包括：本发明公开了一种隧道衬砌无损检测装置,包括支撑板,所述支撑板顶部固定连接有上位机,所述支撑板顶部设有移动机构,所述移动机构顶部设有检测机构；所述检测机构包括第一板,所述第一板顶部固定连接有冂形板,所述冂形板外壁一侧固定连接有限位块,所述第一板顶部固定连接有电机,所述电机输出端顶端固定连接有第一轴,所述第一轴贯穿限位块,所述第一轴与限位块转动连接。本发明可以判断隧道衬砌是否出现问题和出现问题的位置,减少了搜索出问题位置的时间,提高了精准度,还提高了检测效率,能调节检测机构工作时的角度和位置,使得此装置可以适应不同大小的隧道衬砌,提高了此装置的灵活性。(The invention discloses a tunnel lining nondestructive testing device which comprises a supporting plate, wherein the top of the supporting plate is fixedly connected with an upper computer, the top of the supporting plate is provided with a moving mechanism, and the top of the moving mechanism is provided with a testing mechanism; detection mechanism includes the first board, first board top fixedly connected with Jiong shaped plate, Jiong shaped plate outer wall one side fixedly connected with stopper, first board top fixedly connected with motor, motor output top fixedly connected with primary shaft, the primary shaft runs through the stopper, the primary shaft rotates with the stopper and is connected. The invention can judge whether the tunnel lining has problems and the position of the problem, reduces the time for searching the position of the problem, improves the precision, also improves the detection efficiency, can adjust the angle and the position of the detection mechanism during working, ensures that the device can adapt to tunnel linings with different sizes, and improves the flexibility of the device.)

1. The utility model provides a tunnel lining nondestructive test device, includes backup pad (1), its characterized in that: the top of the supporting plate (1) is fixedly connected with an upper computer (2), the top of the supporting plate (1) is provided with a moving mechanism (3), and the top of the moving mechanism (3) is provided with a detection mechanism (4);

the detection mechanism (4) comprises a first plate (5), a Jiong-shaped plate (6) is fixedly connected to the top of the first plate (5), a limiting block (7) is fixedly connected to one side of the outer wall of the Jiong-shaped plate (6), a motor (8) is fixedly connected to the top of the first plate (5), a first shaft (9) is fixedly connected to the top of the output end of the motor (8), the first shaft (9) penetrates through the limiting block (7), the first shaft (9) is rotatably connected with the limiting block (7), a first bevel gear (10) is fixedly connected to the top of the first shaft (9), a second bevel gear (11) is meshed to the outside of the first bevel gear (10), a second shaft (12) is fixedly connected to the inside of the second bevel gear (11), one end, away from the second bevel gear (11), of the second shaft (12) penetrates through the Jiong-shaped plate (6), and the second shaft (, second axle (12) outer peripheral face fixedly connected with cam (13), cam (13) outside roll connection has hollow block (14), Jiong shaped plate (6) top is run through has hollow post (15), hollow post (15) and Jiong shaped plate (6) fixed connection, the inside sliding connection of hollow post (15) has promotion post (16), promote post (16) bottom and hollow block (14) top fixed connection, promote post (16) top fixedly connected with spring (17), spring (17) top fixedly connected with striking post (18), striking post (18) and hollow post (15) sliding connection, Jiong shaped plate (6) top fixedly connected with microphone (19).

2. The nondestructive testing device for the tunnel lining according to claim 1, wherein: the moving mechanism (3) comprises a second plate (20), a first rod (21) is fixedly connected to the bottom of the second plate (20), one end, far away from the second plate (20), of the first rod (21) is rotatably connected with a second rod (22), one end, far away from the first rod (21), of the second rod (22) is rotatably connected with a third rod (23), and one end, far away from the second rod (22), of the third rod (23) is fixedly connected with a third plate (24).

3. The nondestructive testing device for the tunnel lining according to claim 2, wherein: the number of the first rods (21), the second rods (22) and the third rods (23) is set to be two, and the two first rods (21), the second rods (22) and the third rods (23) are distributed at the bottom of the first plate (5) correspondingly.

4. The nondestructive testing device for the tunnel lining according to claim 2, wherein: first pole (21) outer wall one side fixedly connected with first post (25), second pole (22) outer wall one side fixedly connected with second post (26), first post (25) outer peripheral face rotates and is connected with first pneumatic cylinder (27), first pneumatic cylinder (27) output top rotates with second post (26) and is connected.

5. The nondestructive testing device for the tunnel lining according to claim 2, wherein: second pole (22) outer wall one side fixedly connected with third post (28), fourth pole outer wall one side fixedly connected with fourth post (29), third post (28) outer peripheral face is rotated and is connected with second pneumatic cylinder (30), second pneumatic cylinder (30) output end top and fourth post (29) are rotated and are connected.

6. The nondestructive testing device for the tunnel lining according to claim 2, wherein: the first plate (5) is fixedly connected with the second plate (20) through bolts, and the lower surface of the third plate (24) is fixedly connected with the upper surface of the support plate (1).

7. The nondestructive testing device for the tunnel lining according to claim 1, wherein: the number of the moving mechanisms (3) is three, the three moving mechanisms (3) are distributed in an annular array mode and are arranged at the top of the supporting plate (1), and the microphone (19) is electrically connected with the upper computer (2) and the microphone (19).

8. The nondestructive testing device for the tunnel lining according to claim 1, wherein: backup pad (1) bottom fixedly connected with auto-lock wheel (31), the quantity of auto-lock wheel (31) sets up to four, and four auto-lock wheels (31) are the rectangle array and distribute in backup pad (1) bottom, backup pad (1) outer wall one side fixedly connected with handle (32).

Technical Field

The invention relates to the technical field of tunnel lining detection, in particular to a tunnel lining nondestructive detection device.

Background

The health condition of the operating railway tunnel is related to the safety of railway track transportation, so that the regular comprehensive detection of the railway tunnel lining plays an important role in the safety transportation of the railway. Particularly, the railway tunnel lining which is operated for years may have the defects of water leakage, lining deformation, lining back void, shallow cavity, gap, block falling and the like, and the defects are gradually shown in the construction and operation of the tunnel. Therefore, the tunnel lining quality detection device is required to be capable of comprehensively, rapidly and nondestructively detecting the tunnel lining quality, tunnel construction defects and operation diseases can be treated in advance, accidents are avoided, analysis software is installed in the upper computer and used for collecting, storing and processing sound wave signals, the health condition of the tunnel lining of an operation railway is analyzed, a microphone is used for converting the knocked sound wave signals into electric signals, then the electric signals are transmitted into the upper computer through a collection card, the detected data are collected, stored and processed by the upper computer, the health condition of the tunnel lining of the operation is analyzed by the software in the upper computer, a triangular positioning method refers to a mathematical principle, 2 or more than 2 detectors are used for detecting the position of a target at different positions, and then the position and the distance of the target are determined by using a triangular geometric principle.

However, in actual use, the main technical problems of the detection device for tunnel lining are that although the detection device for tunnel lining can detect out the problem of tunnel lining, the position with the problem cannot be accurately positioned, manual careful troubleshooting is required, the efficiency is low, labor is wasted, and the angle and the position of the detection device for tunnel during working are difficult to be adjusted simultaneously, so that the detection device for tunnel lining is difficult to adapt to detection of different positions in the tunnel lining.

Therefore, it is necessary to invent a nondestructive inspection apparatus for tunnel lining to solve the above problems.

Disclosure of Invention

The invention aims to provide a nondestructive testing device for a tunnel lining, which supplies power through a motor, drives an impact column to intermittently impact the surface of the tunnel lining by using a transmission structure, generates sound waves by impact, the sound waves are collected by a microphone, the microphone converts the knocked sound wave signals into electric signals, then the electric signals are transmitted to an upper computer through an acquisition card, the upper computer acquires, stores and processes the detected data, software in the upper computer analyzes the health condition of the tunnel lining, and the three detection mechanisms judge whether the tunnel lining has problems and the position of the problem by using a triangulation method, the angle of the second rod rotating around the third rod and the angle of the first rod rotating around the second rod are adjusted by starting the first hydraulic cylinder and the second hydraulic cylinder, thereby adjusting the angle and position of the detection mechanism during operation to address the above-mentioned deficiencies in the art.

In order to achieve the above purpose, the invention provides the following technical scheme: a nondestructive testing device for tunnel lining comprises a supporting plate, wherein the top of the supporting plate is fixedly connected with an upper computer, the top of the supporting plate is provided with a moving mechanism, and the top of the moving mechanism is provided with a testing mechanism;

the detection mechanism comprises a first plate, a Jiong-shaped plate is fixedly connected to the top of the first plate, a limiting block is fixedly connected to one side of the outer wall of a Jiong-shaped plate, a motor is fixedly connected to the top of the first plate, a first shaft is fixedly connected to the top end of the output end of the motor and penetrates through the limiting block, the first shaft is rotatably connected with the limiting block, a first bevel gear is fixedly connected to the top end of the first shaft, a second bevel gear is meshed with the outer portion of the first bevel gear, a second shaft is fixedly connected to the inner portion of the second bevel gear, one end, away from the second bevel gear, of the second shaft penetrates through a Jiong-shaped plate, the second shaft is rotatably connected with a Jiong-shaped plate, a cam is fixedly connected to the outer peripheral surface of the second shaft, a hollow block is rotatably connected to the outer portion of the cam, promote capital portion and hollow piece top fixed connection, promote capital portion fixedly connected with spring, spring top fixedly connected with striking post, striking post and hollow post sliding connection, Jiong shaped plate top fixedly connected with microphone.

Preferably, the moving mechanism includes a second plate, a first rod is fixedly connected to the bottom of the second plate, one end of the first rod, which is far away from the second plate, is rotatably connected to the second rod, one end of the second rod, which is far away from the first rod, is rotatably connected to a third rod, and one end of the third rod, which is far away from the second rod, is fixedly connected to a third plate.

Preferably, the number of the first rods, the second rods and the third rods is two, and the two first rods, the two second rods and the two third rods are distributed at the bottom of the first plate in a corresponding mode.

Preferably, first pole of first pole outer wall one side fixedly connected with, second pole outer wall one side fixedly connected with second pole, first post outer peripheral face rotates and is connected with first pneumatic cylinder, first pneumatic cylinder output top rotates with the second pole and is connected.

Preferably, one side of the outer wall of the second rod is fixedly connected with a third column, one side of the outer wall of the fourth rod is fixedly connected with a fourth column, the peripheral surface of the third column is rotatably connected with a second hydraulic cylinder, and the top of the output end of the second hydraulic cylinder is rotatably connected with the fourth column.

Preferably, the first plate and the second plate are fixedly connected through bolts, and the lower surface of the third plate is fixedly connected with the upper surface of the support plate.

Preferably, the number of the moving mechanisms is three, the three moving mechanisms are distributed in an annular array mode and arranged on the top of the supporting plate, and the microphone is electrically connected with the upper computer.

Preferably, backup pad bottom fixedly connected with auto-lock wheel, the quantity of auto-lock wheel sets up to four, and four auto-lock wheels are rectangular array and distribute in the backup pad bottom, backup pad outer wall one side fixedly connected with handle.

In the technical scheme, the invention provides the following technical effects and advantages:

1. the motor provides power, the transmission structure is used for driving the impact column to intermittently impact the surface of the tunnel lining, sound waves are generated by impact, the sound waves are collected by the microphone, a knocked sound wave signal is converted into an electric signal by the microphone, the electric signal is transmitted into the upper computer by the acquisition card, the detected data is acquired, stored and processed by the upper computer, and the health condition of the tunnel lining is analyzed by software in the upper computer, so that the detection is simple, the labor degree of workers is reduced, through the three detection mechanisms, the triangular positioning method is used for judging whether the tunnel lining has problems and the position where the tunnel lining has problems, the time for searching the position with the problems is reduced, the accuracy is improved, and the detection efficiency is also improved;

2. through starting first pneumatic cylinder and second pneumatic cylinder to adjust the flexible length of first pneumatic cylinder and first pneumatic cylinder, adjust the second pole around third pole pivoted angle and first pole around second pole pivoted angle, thereby adjust the angle and the position of detection mechanism during operation, make this device can adapt to not equidimension tunnel lining, improved the flexibility of this device.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the overall structure of the detecting mechanism of the present invention;

FIG. 4 is a side view of the detection mechanism of the present invention;

FIG. 5 is a perspective view of the movement mechanism of the present invention;

FIG. 6 is a bottom view of the shifting mechanism of the present invention;

fig. 7 is a schematic view of the cam and hollow block connection of the present invention.

Description of reference numerals:

the device comprises a support plate 1, an upper computer 2, a moving mechanism 3, a detection mechanism 4, a first plate 5, a shaped plate 6 Jiong, a limited block 7, a motor 8, a first shaft 9, a first bevel gear 10, a second bevel gear 11, a second shaft 12, a cam 13, a hollow block 14, a hollow column 15, a pushing column 16, a spring 17, an impact column 18, a microphone 19, a second plate 20, a first rod 21, a second rod 22, a third rod 23, a third plate 24, a first column 25, a second column 26, a first hydraulic cylinder 27, a third column 28, a fourth column 29, a second hydraulic cylinder 30, a self-locking wheel 31 and a handle 32.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides a nondestructive testing device for a tunnel lining as shown in figures 1-7, which comprises a supporting plate 1, wherein the top of the supporting plate 1 is fixedly connected with an upper computer 2, the top of the supporting plate 1 is provided with a moving mechanism 3, and the top of the moving mechanism 3 is provided with a detection mechanism 4;

the detection mechanism 4 comprises a first plate 5, a Jiong-shaped plate 6 is fixedly connected to the top of the first plate 5, a limiting block 7 is fixedly connected to one side of the outer wall of the Jiong-shaped plate 6, a motor 8 is fixedly connected to the top of the first plate 5, a first shaft 9 is fixedly connected to the top of the output end of the motor 8, the first shaft 9 penetrates through the limiting block 7, the first shaft 9 is rotatably connected with the limiting block 7, a first bevel gear 10 is fixedly connected to the top of the first shaft 9, a second bevel gear 11 is meshed with the outside of the first bevel gear 10, a second shaft 12 is fixedly connected to the inside of the second bevel gear 11, one end, away from the second bevel gear 11, of the second shaft 12 penetrates through a Jiong-shaped plate 6, the second shaft 12 is rotatably connected with the Jiong-shaped plate 6, a cam 13 is fixedly connected to the outer peripheral surface of the second shaft, hollow post 15 and Jiong shaped plate 6 fixed connection, the inside sliding connection of hollow post 15 has the promotion post 16, promote post 16 bottom and hollow block 14 top fixed connection, promote post 16 top fixedly connected with spring 17, spring 17 top fixedly connected with striking post 18, striking post 18 and hollow post 15 sliding connection, Jiong shaped plate 6 top fixedly connected with microphone 19.

Further, in the above technical solution, the first plate 5 is fixedly connected to the second plate 20 through bolts, the lower surface of the third plate 24 is fixedly connected to the upper surface of the support plate 1, and the first plate 5 is fixedly connected to the second plate 20 through bolts, so that the moving mechanism 3 and the detecting mechanism 4 can be conveniently mounted and dismounted.

Furthermore, in the above technical scheme, the number of the moving mechanisms 3 is set to three, three moving mechanisms 3 are distributed in an annular array and are arranged at the top of the supporting plate 1, the microphones 19 are electrically connected with the upper computer 2 and the microphones 19, and the three moving mechanisms 3 are provided with the detection mechanisms 4, so that the three detection mechanisms 4 can detect the railway tunnel lining by using a triangulation location method, and not only can the detection mechanisms 4 be used for judging whether the railway tunnel lining is in a problem, but also the position where the problem is in can be judged, and the maintenance of the railway tunnel lining is convenient.