CN214794802U - Detect cracked detection lever in tunnel top - Google Patents
Detect cracked detection lever in tunnel top Download PDFInfo
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- CN214794802U CN214794802U CN202120824432.XU CN202120824432U CN214794802U CN 214794802 U CN214794802 U CN 214794802U CN 202120824432 U CN202120824432 U CN 202120824432U CN 214794802 U CN214794802 U CN 214794802U
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Abstract
A detection rod for detecting cracks at the top of a tunnel, comprising: base, strutting arrangement and detection device. The supporting device is arranged on the base and comprises an outer cylinder, an inner supporting rod and an elastic supporting device, and the elastic supporting device is arranged between the outer cylinder and the inner supporting rod. The elastic supporting device is used for elastically supporting the inner supporting rod, the limiting block is connected to the inner top of the outer barrel, sliding grooves are formed in two sides of the inner supporting rod, the sliding grooves are inserted into the limiting block along the groove openings, and the inner supporting rod slides along the sliding grooves in a preset sliding direction. The control device is connected with the detection device, and the detection device is used for detecting the tunnel wall. The device has the effect that the height that makes the measuring pole detect can follow the condition of fluctuation in tunnel and adjust, makes the detection precision higher.
Description
Technical Field
The utility model relates to a tunnel top crack detects technical field, specifically is a detect cracked measuring staff in tunnel top.
Background
A large part of the tunnel is located underground, so that the occurrence and development of concrete cracks need to be effectively controlled in order to improve the durability of the subway tunnel, and the concrete leakage of the tunnel is a non-negligible link. The concrete is a heterogeneous brittle material formed by mixing sand aggregate, cement, water and other additional materials. Due to a series of problems of concrete construction, self deformation, constraint and the like, the concrete cracks become the most common engineering diseases in tunnel engineering. In order to prevent the occurrence of diseases, the tunnel wall needs to be frequently detected and maintained.
The existing detection rod detects the position of deformation and the deformation severity of a tunnel through the thickness of a line drawn by a flexible pen point, and safety precautionary measures are conveniently taken in advance. However, the detection accuracy of the method is related to the position accuracy of the track and the tunnel top, and if the height between the track and the tunnel top changes along the whole tunnel direction, the detection result is directly influenced. Therefore, it is urgently needed to provide a tunnel top crack detection device, and the height that detects can be adjusted along with the fluctuation condition in tunnel, has avoided the influence of altitude variation between track and the tunnel top to the testing result, and it is higher to detect the precision.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses a detect cracked measuring staff in tunnel top to solve the problem that the precision that proposes is low among the above-mentioned background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a detection rod for detecting cracks at the top of a tunnel, comprising: a base; the supporting device is arranged on the base and comprises an outer cylinder, an inner supporting rod and an elastic supporting device, the elastic supporting device is arranged between the outer cylinder and the inner supporting rod, the elastic supporting device is used for elastically supporting the inner supporting rod, a limiting block is connected to the inner top of the outer cylinder, sliding grooves are formed in two sides of the inner supporting rod, the sliding grooves are inserted into the limiting block along a groove opening, and the inner supporting rod slides along the sliding grooves in a preset sliding direction; the detection device is connected with the supporting device and used for detecting the tunnel wall. In one embodiment, a first threaded hole is formed in one side of the inner support rod, and the first threaded hole is connected with a corresponding bolt.
In an embodiment, the detection rod further comprises a connecting plate, wherein the supporting device comprises a first supporting device and a second supporting device, the first supporting device and the second supporting device are arranged at intervals, and two ends of the connecting plate are respectively connected with the inner supporting rods of the first supporting device and the second supporting device.
In an embodiment, a second threaded hole is formed in one side of the connecting plate, and the second threaded hole is connected with the first threaded hole through the bolt.
In an embodiment, the number of the first threaded holes is multiple, and one first threaded hole is selected to be connected with the second threaded hole through the bolt.
In one embodiment, the first and second threaded holes have the same diameter.
In one embodiment, the detection device comprises a connection block, an arc plate and a connection rod, the arc plate is connected with the connection rod, the connection rod is connected with the connection block, and the connection block is located at the top of the inner support rod.
In an embodiment, the detection rod further includes a motor and a detection rod, the motor is connected with the detection rod, the detection rod is connected with the inner support rod, the motor is disposed on the connection plate, and the motor drives a probe of the detection rod to perform circular motion along a tunnel wall and detect the tunnel wall.
In an embodiment, the detection rod further includes a gearbox, the gearbox is electrically connected to the motor, an output end of the gearbox is connected to the detection rod, and the gearbox is used for adjusting a movement speed of the detection rod.
In one embodiment, the resilient support means comprises a spring.
The utility model discloses a detect cracked measuring staff in tunnel top, include: base, strutting arrangement and detection device. The supporting device is arranged on the base and comprises an outer cylinder, an inner supporting rod and an elastic supporting device, and the elastic supporting device is arranged between the outer cylinder and the inner supporting rod. The elastic supporting device is used for elastically supporting the inner supporting rod, the limiting block is connected to the inner top of the outer barrel, sliding grooves are formed in two sides of the inner supporting rod, the sliding grooves are inserted into the limiting block along the groove openings, and the inner supporting rod slides along the sliding grooves in a preset sliding direction. The detection device is connected with the supporting device and used for detecting the tunnel wall. The device has the effect that the height that makes the measuring pole detect can follow the condition of fluctuation in tunnel and adjust, makes the detection precision higher.
Drawings
Fig. 1 is a schematic structural diagram of a detection rod for detecting a crack at a top of a tunnel according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a detection rod for detecting cracks on the top of a tunnel according to another embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of a detection rod for detecting a crack at the top of a tunnel according to an embodiment of the present disclosure;
fig. 4 is a schematic side structure view of a detection rod for detecting a crack at the top of a tunnel according to an embodiment of the present application.
Detailed Description
Fig. 1 is a schematic structural view of a detection rod for detecting a crack at the top of a tunnel according to an embodiment of the present application, and fig. 2 is a schematic structural view of a detection rod for detecting a crack at the top of a tunnel according to another embodiment of the present application. As shown in fig. 1-2. This detection rod includes: base 1, strutting arrangement and detection device. The supporting device is arranged on the base 1. The supporting device comprises an outer cylinder 2, an inner supporting rod 4 and an elastic supporting device 3, wherein the elastic supporting device 3 is arranged between the outer cylinder 2 and the inner supporting rod 4. The elastic supporting device 3 is used for elastically supporting the inner supporting rod 4, wherein the inner top of the outer barrel 2 is connected with a limiting block 201, sliding grooves 401 are formed in two sides of the inner supporting rod 4, the sliding grooves 401 are inserted into the limiting block 201 along the groove openings, and the inner supporting rod 4 slides along the sliding grooves 401 in a preset sliding direction. And the detection device is connected with the supporting device and is used for detecting the tunnel wall.
It will be appreciated that the base may be arranged to be movable, i.e. wheels may be arranged under the base to enable it to move. Or a trolley may be provided on which the base is arranged and also movable.
It will be appreciated that the elastic support means 3 has elasticity and can support the inner support rod 4 to facilitate the sliding of the inner support rod 4. The limiting block 201 can be inserted into the sliding groove 401 to promote the sliding of the sliding groove 401.
It will be appreciated that the detection means are intended to detect the tunnel wall so that the detection is more accurate. When the detection device reaches the tunnel wall, the elasticity of the elastic supporting device 3 causes the inner supporting rod 4 to bring the detection device into contact with the tunnel. When the inner supporting rod 4 is sleeved in the outer cylinder 2 in a sliding manner, the elastic supporting device 3 supports the inner supporting rod 4 in the outer cylinder 2. When the detection device on the inner support rod 4 contacts the top of the tunnel, the top with different heights enables the detection device to drive the inner support rod 4 to slide up and down in the outer cylinder 2. When the detection device moves to the low position of the top of the tunnel, the elastic force of the elastic supporting device 3 enables the inner supporting rod 4 to be downward, when the detection device leaves the low position and comes to the high position, the elastic force of the elastic supporting device 3 enables the inner supporting rod 4 to be upward, the detection device can be attached to the top of the tunnel, and the detection device has the function of enabling the height detected by the detection rod to be adjusted along with the fluctuation condition of the tunnel, so that the detection precision is higher.
The utility model discloses a detect cracked measuring staff in tunnel top, include: base 1, strutting arrangement and detection device. The supporting device is arranged on the base 1 and comprises an outer cylinder 2, an inner supporting rod 4 and an elastic supporting device 3, wherein the elastic supporting device 3 is arranged between the outer cylinder 2 and the inner supporting rod 4. The elastic supporting device 3 is used for elastically supporting the inner supporting rod 4, wherein the inner top of the outer barrel 2 is connected with a limiting block 201, sliding grooves 401 are formed in two sides of the inner supporting rod 4, the sliding grooves 401 are inserted into the limiting block 201 along the groove openings, and the inner supporting rod 4 slides along the sliding grooves 401 in a preset sliding direction. The detection device is connected with the supporting device and used for detecting the tunnel wall. The device has the effect that the height that makes the measuring pole detect can follow the condition of fluctuation in tunnel and adjust, makes the detection precision higher.
Fig. 3 is a schematic cross-sectional structural view of a detection rod for detecting a crack at a top of a tunnel according to an embodiment of the present application, and as shown in fig. 3, the detection rod may further include: one side of the inner support rod 4 is provided with a first threaded hole 5, and the first threaded hole 5 is connected with a corresponding bolt 6.
It can be understood that the inner support rod 4 is provided with a first threaded hole 5 on one side, and the first threaded hole 5 is connected with a corresponding bolt 6. The purpose is to allow a better fastening of the bolts to the inner support 4. The first threaded hole 5 penetrates through the back surface of the inner support rod 4.
In one embodiment, the detection rod may further include: and a connecting plate 405, wherein the supporting device comprises a first supporting device and a second supporting device, the first supporting device and the second supporting device are arranged at intervals, and two ends of the connecting plate 7 are respectively connected with the inner supporting rods 4 of the first supporting device and the second supporting device.
It will be appreciated that the connection plate 405 connects the first support means and the second support means. Stabilizing the first support means and the second support means. When the interval between the first supporting device and the second supporting device is larger and more stable, the device is not easy to overturn.
In one embodiment, one side of the connecting plate 7 is provided with a second threaded hole 701, and the second threaded hole 701 is connected with the first threaded hole 5 through a bolt 6.
It will be appreciated that one side of the attachment plate 7 is provided with a second threaded hole 701. The second threaded hole 701 is fixedly connected with the first threaded hole 5 through a bolt 6, so that the connecting plate 7 is fixed on the supporting device.
In one embodiment, the number of the first threaded holes 5 is multiple, and one first threaded hole is selected to be connected with the second threaded hole through the bolt.
It is understood that the first threaded hole 5 is provided with a plurality of ones, and one selected from the plurality of ones is used to connect the second threaded hole 701 with the first threaded hole 5 through the bolt 6. In order to fix the first and second support means, the first threaded hole 5 may be provided in plurality. For example 3, the first support means has three first threaded holes 5 and the second support means has three threaded holes 5. The 2 nd first threaded hole 5 is selected, that is, the first threaded hole 5 arranged in the middle of the plurality of first threaded holes 5 is selected. The middle first threaded hole 5 enables two ends of the connecting plate 7 to be stably connected with the first threaded hole 5 and the second threaded hole 701 respectively. Because the center of gravity is moderate, the device will not tip over easily. In addition, two ends of the connecting plate 4 are detachably connected with the inner supporting rods of the first supporting device and the second supporting device respectively.
In one embodiment, the first threaded hole 5 and the second threaded hole 404 have the same diameter.
It will be appreciated that the first threaded hole 5 and the second threaded hole 404 have the same diameter in order to allow the bolt 6 to pass through the first threaded hole 5 and the second threaded hole 404 exactly, so that the first support means and the second support means are fixed to the connecting plate 7.
Fig. 4 is a schematic side structure view of a detection rod for detecting a crack at the top of a tunnel according to an embodiment of the present application. As shown in fig. 4, the detecting device includes a connecting block 7, an arc plate 405 and a connecting rod, the arc plate 405 is connected to the connecting rod, the connecting rod is connected to the connecting block 7, and the connecting block 7 is located on the top of the inner supporting rod 4.
It is understood that the connecting rods include a first connecting rod 403 and a second connecting rod 404. When the detection device is used, the connecting block 402 is fixedly connected to the top of the inner support rod 4, the first connecting rod 403 is fixedly connected to the top of the connecting block 7, the second connecting rod 404 is fixedly connected to the top of the connecting block 402, and the arc-shaped plates 405 are fixedly connected to the tops of the first connecting rod 403 and the second connecting rod 404. First, the detection means is located on top of the inner support rod 4. When arc 405 contacts the tunnel top, adjust along with the height fluctuation condition at the tunnel top, arc 405 can more laminate the tunnel top, is more convenient for remove at the tunnel top. The device has the effect that the height that makes the measuring pole detect can follow the condition of fluctuation in tunnel and adjust, makes the detection precision higher.
In an embodiment, the detection rod may further include a motor and a detection rod, the motor is connected with the detection rod, the detection rod is connected with the inner support rod 4, the motor is disposed on the connection plate 7, and the motor drives a probe of the detection rod to do circular motion along the tunnel wall and detect the tunnel wall.
In order to make the measurement more accurate and reduce the strength, the detection rod for detecting the crack at the top of the tunnel further comprises a motor and a detection rod. And when the motor is operated, the probe of the detection rod can do circular motion along the tunnel wall and detect the tunnel wall. This feeler lever is connected with displacement sensor, and displacement sensor connects the computer and takes notes to obtain a series of detection curves, so that this measurement is more accurate.
In an embodiment, the detection rod may further include a gearbox, the gearbox is electrically connected to the motor, an output end of the gearbox is connected to the detection rod, and the gearbox is configured to adjust a speed of movement of the detection rod.
It can be understood that the speed of the gearbox can be changed at any time, so that the motor drives the detection rod to move. Due to the existence of the gearbox, the detection time can be saved in the detection process, so that the detection speed and efficiency are improved.
In an embodiment, the elastic support means 3 may comprise a spring.
It will be appreciated that the resilient support means 3 may comprise a spring. Wherein, the elasticity of spring is great, and equipment is simple. The spring is easily compressed and stretched. When the inner support rod 4 is forced downwards, the spring compresses the inner support rod 4 according to the elasticity of the compression of the spring so as to support the inner support rod to move downwards. When the inner supporting rod 4 is forced upwards, the spring stretches the inner supporting rod 4 according to the stretching elasticity of the spring so as to support the inner supporting rod to move upwards.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a detect cracked check rod in tunnel top which characterized in that includes:
a base;
the supporting device is arranged on the base and comprises an outer cylinder, an inner supporting rod and an elastic supporting device, the elastic supporting device is arranged between the outer cylinder and the inner supporting rod, the elastic supporting device is used for elastically supporting the inner supporting rod, a limiting block is connected to the inner top of the outer cylinder, sliding grooves are formed in two sides of the inner supporting rod, the sliding grooves are inserted into the limiting block along a groove opening, and the inner supporting rod slides along the sliding grooves in a preset sliding direction;
the detection device is connected with the supporting device and used for detecting the tunnel wall.
2. The detecting rod for detecting the cracks on the top of the tunnel as claimed in claim 1, wherein a first threaded hole is formed on one side of the inner supporting rod, and the first threaded hole is connected with the corresponding bolt.
3. The detection rod for detecting the cracks on the top of the tunnel as claimed in claim 2, further comprising a connection plate, wherein the supporting means comprises a first supporting means and a second supporting means, the first supporting means and the second supporting means are arranged at intervals, and two ends of the connection plate are respectively connected with the inner supporting rods of the first supporting means and the second supporting means.
4. The detecting rod for detecting the cracks on the top of the tunnel according to claim 3, wherein a second threaded hole is formed on one side of the connecting plate, and the second threaded hole is connected with the first threaded hole through the bolt.
5. The detecting rod for detecting the cracks on the top of the tunnel as claimed in claim 4, wherein the number of the first threaded holes is plural, and one of the first threaded holes is connected to the second threaded hole through the bolt.
6. The detecting rod for detecting the crack of the top of the tunnel according to claim 4, wherein the diameters of the first threaded hole and the second threaded hole are the same.
7. The detecting rod for detecting the crack on the top of the tunnel according to claim 1, wherein the detecting device comprises a connecting block, an arc plate and a connecting rod, the arc plate is connected with the connecting rod, the connecting rod is connected with the connecting block, and the connecting block is located on the top of the inner supporting rod.
8. The detecting rod for detecting cracks on the top of a tunnel according to claim 3, further comprising a motor and a detecting rod, wherein the motor is connected to the detecting rod, the detecting rod is connected to the inner supporting rod, the motor is disposed on the connecting plate, and the motor drives a probe of the detecting rod to move in an arc along the tunnel wall and detect the tunnel wall.
9. The detecting rod for detecting the crack on the top of the tunnel according to claim 8, further comprising a gear box, wherein the gear box is electrically connected to the motor, an output end of the gear box is connected to the detecting rod, and the gear box is used for adjusting the moving speed of the detecting rod.
10. The inspection bar of claim 1, wherein said resilient support means comprises a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120824432.XU CN214794802U (en) | 2021-04-21 | 2021-04-21 | Detect cracked detection lever in tunnel top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120824432.XU CN214794802U (en) | 2021-04-21 | 2021-04-21 | Detect cracked detection lever in tunnel top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214794802U true CN214794802U (en) | 2021-11-19 |
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ID=78688366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120824432.XU Active CN214794802U (en) | 2021-04-21 | 2021-04-21 | Detect cracked detection lever in tunnel top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214794802U (en) |
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2021
- 2021-04-21 CN CN202120824432.XU patent/CN214794802U/en active Active
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