CN216309879U - Sensor fixing device for concrete crack detection - Google Patents
Sensor fixing device for concrete crack detection Download PDFInfo
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- CN216309879U CN216309879U CN202122818146.5U CN202122818146U CN216309879U CN 216309879 U CN216309879 U CN 216309879U CN 202122818146 U CN202122818146 U CN 202122818146U CN 216309879 U CN216309879 U CN 216309879U
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Abstract
The utility model discloses a sensor fixing device for detecting concrete cracks, which comprises an installation seat, a threaded rod, a connecting transverse plate, a first clamping plate and a second clamping plate, wherein under the action of the rebounding force of a first spring and a second spring, a third sliding block and a fourth sliding block are close to each other, so that the first clamping plate and the second clamping plate are driven to close to each other to clamp and fix an acoustic emission sensor body, the acoustic emission sensor body is conveniently and fixedly installed, the threaded rod is driven to rotate by rotating a rotating handle, is in threaded connection fit with the fixing transverse plate through the threaded rod, and is driven to move downwards through the sliding connection fit of a vertical rod and the fixing transverse plate, so that the connecting transverse plate is driven to move downwards through the rotation of the threaded rod, the first clamping plate and the second clamping plate are driven to move downwards until the lower part of the acoustic emission sensor body is contacted and attached to the surface of concrete, the acoustic emission sensor body is tightly attached to the surface of the concrete and is not easy to fall off.
Description
Technical Field
The utility model relates to the technical field of concrete detection, in particular to a sensor fixing device for concrete crack detection.
Background
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 the engineering of civil engineering, water conservancy, bridges, tunnels and the like. The hardened concrete has numerous micro-pores, air cavities and micro-cracks, because the initial concrete buildings and members usually work with the cracks, because the existence and the development of the cracks usually can corrode materials such as internal reinforcing steel bars and the like, reduce the bearing capacity, the durability and the anti-permeability of the reinforced concrete materials, influence the appearance and the service life of the buildings, and seriously threaten the life and property of people. In order to ensure the safety of a concrete structure, the detection work of concrete cracks is very important, the traditional acoustic emission technology has the capability of remote detection, the determination of the crack position is the key for solving the problem, the propagation speed and the amplitude attenuation of waves are two key parameters for the propagation of acoustic emission waves, the wave speed is very important for positioning an acoustic emission source, a time difference positioning method is the most common acoustic emission positioning method, and the position of the acoustic emission source is determined through the arrival time difference of the acoustic emission waves received by an acoustic emission sensor.
When concrete cracks are detected, most acoustic emission sensors are stuck to the surface of concrete to be detected in a tape sticking mode and are in contact with the surface of the concrete, the use effect of the sticking mode is poor, the acoustic emission sensors are prone to falling off, and detection results are affected.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a sensor fixing device for detecting concrete cracks, which solves the above problems of the related art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a sensor fixing device for detecting concrete cracks comprises a mounting seat, wherein a fixed vertical plate is fixedly connected to the top of the mounting seat, a fixed transverse plate is fixedly connected to the top of the fixed vertical plate, a connecting transverse plate is arranged below the fixed transverse plate, a threaded rod is longitudinally connected to the fixed transverse plate in a threaded penetrating manner, the bottom end of the threaded rod is rotatably connected with the top of the connecting transverse plate, a rotating handle is fixedly connected to the top end of the threaded rod, a first clamping plate and a second clamping plate are symmetrically arranged below the connecting transverse plate, a first sliding block is fixedly connected to one side of the first clamping plate, a third sliding block is fixedly connected to the other side of the first clamping plate, a second sliding block is fixedly connected to one side of the second clamping plate, a fourth sliding block is fixedly connected to the other side of the second clamping plate, and two first connecting vertical plates are symmetrically and fixedly connected to one side of the bottom of the connecting transverse plate, two first slide bar that two symmetries of common fixedly connected with set up between the first connection riser, first slider and second slider all run through sliding connection on two first slide bars, connect two second connection risers of diaphragm bottom opposite side symmetry fixedly connected with, two the third slide bar that two symmetries of common fixedly connected with set up between the second connection riser, third slider and fourth slider all run through sliding connection on two third slide bars, two the outside of third slide bar all is overlapped and is equipped with first spring and second spring.
As a further scheme of the utility model: one end of the first spring is fixedly connected with the side wall of the third sliding block, the other end of the first spring is fixedly connected with the side wall of one of the second connecting risers, one end of the second spring is fixedly connected with the side wall of the fourth sliding block, and the other end of the second spring is fixedly connected with the side wall of the other one of the second connecting risers.
As a still further scheme of the utility model: two common fixedly connected with gear connecting plate between the riser is connected to the second, one side of gear connecting plate is rotated and is connected with the gear, two common fixedly connected with second slide bar and fourth slide bar between the riser are connected to the second, run through sliding connection on the second slide bar and have first rack, sliding connection has the second rack in the outside of fourth slide bar runs through, one side of first rack and the lateral wall fixed connection of fourth slider, one side of second rack and the lateral wall fixed connection of third slider, first rack and second rack all mesh with the gear mutually, the tooth's socket orientation of first rack and second rack is opposite, the handle is pressed to the opposite side fixedly connected with of first rack, the handle is pressed to the opposite side fixedly connected with second of second rack.
As a still further scheme of the utility model: and the inner sides of the first clamping plate and the second clamping plate are provided with acoustic emission sensor bodies together.
As a still further scheme of the utility model: the connecting transverse plate is fixedly connected with a vertical rod, and the top end of the vertical rod longitudinally slides to penetrate through a limiting block fixedly connected with the rear of the fixing transverse plate.
As a still further scheme of the utility model: two mounting holes are symmetrically formed in the mounting seat in a penetrating mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. the acoustic emission sensor body is placed between the first clamping plate and the second clamping plate, and then the first pressing handle and the second pressing handle are loosened, at the moment, the first spring and the second spring are not extruded any more, under the action of the rebounding force of the first spring and the second spring, the third sliding block and the fourth sliding block are drawn close to each other, so that the first clamping plate and the second clamping plate are driven to draw close to each other to clamp and fix the acoustic emission sensor body, the acoustic emission sensor body is convenient to fix and install, the threaded rod is driven to rotate by rotating the rotating handle, is in threaded connection and matching with the fixed transverse plate, and meanwhile, through the sliding connection and matching of the vertical rod and the fixed transverse plate, the threaded rod rotates to drive the connecting transverse plate to move downwards, so that the first clamping plate and the second clamping plate are driven to move downwards, until the lower part of the acoustic emission sensor body moves to be in contact and fit with the surface of concrete, the acoustic emission sensor body is tightly attached to the surface of the concrete and is not easy to fall off.
2. The first pressing handle and the second pressing handle are pressed, the first pressing handle and the second pressing handle are close to each other, then the first rack and the second rack are driven to move in the opposite direction, the fourth slider is driven to move through the first rack, the third slider is driven to move through the second rack, further the third slider and the fourth slider are far away, meanwhile, the first slider and the second slider are in sliding fit on the first slide bar, the third slider and the fourth slider are far away from the first clamping plate and the second clamping plate, and therefore the acoustic emission sensor body can be conveniently taken out of the first clamping plate and the second clamping plate.
Drawings
Fig. 1 is a schematic structural view of a sensor fixing device for detecting a concrete crack.
Fig. 2 is a schematic perspective view of a sensor fixing device for detecting a concrete crack.
Fig. 3 is an enlarged view of a portion a of the sensor fixing device for detecting concrete cracks.
Fig. 4 is a partial side view of a sensor fixing device for detecting a concrete crack.
Fig. 5 is a schematic partial perspective view of a sensor fixing device for detecting a concrete crack.
Shown in the figure: the acoustic emission sensor comprises a mounting seat 1, a mounting hole 2, a fixed vertical plate 3, a first sliding rod 4, a first sliding block 5, a first connecting vertical plate 6, a fixed transverse plate 7, a vertical rod 8, a limiting block 9, a rotating handle 10, a threaded rod 11, a connecting transverse plate 12, a first clamping plate 13, a second connecting vertical plate 14, a second clamping plate 15, a second sliding block 16, an acoustic emission sensor body 17, a second sliding rod 18, a first rack 19, a first pressing handle 20, a gear connecting plate 21, a gear 22, a first spring 23, a third sliding block 24, a fourth sliding block 25, a second spring 26, a third sliding rod 27, a second rack 28, a fourth sliding rod 29 and a second pressing handle 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the utility model, a sensor fixing device for detecting a concrete crack comprises an installation base 1, two installation holes 2 are symmetrically formed in the installation base 1 in a penetrating manner, a fixed vertical plate 3 is fixedly connected to the top of the installation base 1, a fixed transverse plate 7 is fixedly connected to the top of the fixed vertical plate 3, a connecting transverse plate 12 is arranged below the fixed transverse plate 7, a vertical rod 8 is fixedly connected to the top of the connecting transverse plate 12, a limiting block 9 is fixedly connected to the top end of the vertical rod 8 after longitudinally sliding through the fixed transverse plate 7, a threaded rod 11 is longitudinally connected to the fixed transverse plate 7 in a penetrating manner, the bottom end of the threaded rod 11 is rotatably connected to the top of the connecting transverse plate 12, a rotating handle 10 is fixedly connected to the top end of the threaded rod 11, a first clamping plate 13 and a second clamping plate 15 are symmetrically arranged below the connecting transverse plate 12, one side of the first clamping plate 13 is fixedly connected with a first sliding block 5, the other side of the first clamping plate 13 is fixedly connected with a third sliding block 24, one side of the second clamping plate 15 is fixedly connected with a second sliding block 16, the other side of the second clamping plate 15 is fixedly connected with a fourth sliding block 25, one side of the bottom of the connecting transverse plate 12 is symmetrically and fixedly connected with two first connecting vertical plates 6, two first sliding rods 4 which are symmetrically arranged are fixedly connected between the two first connecting vertical plates 6 together, the first sliding block 5 and the second sliding block 16 are connected on the two first sliding rods 4 in a penetrating and sliding manner, the other side of the bottom of the connecting transverse plate 12 is symmetrically and fixedly connected with two second connecting vertical plates 14, two third sliding rods 27 which are symmetrically arranged are fixedly connected between the two second connecting vertical plates 14 together, and the third sliding block 24 and the fourth sliding block 25 are connected on the two third sliding rods 27 in a penetrating and sliding manner, the outer sides of the two third sliding rods 27 are respectively sleeved with a first spring 23 and a second spring 26, one end of the first spring 23 is fixedly connected with the side wall of a third sliding block 24, the other end of the first spring 23 is fixedly connected with the side wall of one of the second connecting risers 14, one end of the second spring 26 is fixedly connected with the side wall of a fourth sliding block 25, the other end of the second spring 26 is fixedly connected with the side wall of the other one of the second connecting risers 14, a gear connecting plate 21 is fixedly connected between the two second connecting risers 14, one side of the gear connecting plate 21 is rotatably connected with a gear 22, a second sliding rod 18 and a fourth sliding rod 29 are fixedly connected between the two second connecting risers 14, the second sliding rod 18 is connected with a first rack 19 in a penetrating and sliding manner, and the outer side of the fourth sliding rod 29 is connected with a second rack 28 in a penetrating and sliding manner, one side of the first rack 19 is fixedly connected with a side wall of the fourth slider 25, one side of the second rack 28 is fixedly connected with a side wall of the third slider 24, the first rack 19 and the second rack 28 are both meshed with the gear 22, tooth grooves of the first rack 19 and the second rack 28 face opposite directions, the other side of the first rack 19 is fixedly connected with the first pressing handle 20, the other side of the second rack 28 is fixedly connected with the second pressing handle 30, and the inner sides of the first clamping plate 13 and the second clamping plate 15 are jointly provided with the acoustic emission sensor body 17.
The working principle of the utility model is as follows:
when the acoustic emission sensor is used, two screws respectively penetrate through the two mounting holes 2 in a one-to-one correspondence manner, the mounting base 1 is fixedly mounted on concrete to be detected through the screws, the first pressing handle 20 and the second pressing handle 30 are pressed by hands, the first pressing handle 20 and the second pressing handle 30 are closed, the first rack 19 and the second rack 28 are driven to move in a reverse direction, the fourth slider 25 is driven to move through the first rack 19, the third slider 24 is driven to move through the second rack 28, the third slider 24 and the fourth slider 25 are further far away, meanwhile, the first clamping plate 13 and the second clamping plate 15 are driven to be far away through the sliding fit of the first slider 5 and the second slider 16 on the first sliding rod 4, the third slider 24 and the fourth slider 25 are far away, the acoustic emission sensor body 17 is placed between the first clamping plate 13 and the second clamping plate 15, the first pressing handle 20 and the second handle 30 are loosened, at the moment, the first spring 23 and the second spring 26 are not extruded any more, and then under the action of the rebounding force of the first spring 23 and the second spring 26, the third slider 24 and the fourth slider 25 are drawn close to each other, so as to drive the first clamping plate 13 and the second clamping plate 15 to draw close to each other to clamp and fix the acoustic emission sensor body 17, thereby facilitating the fixed installation of the acoustic emission sensor body 17, and at the same time, the acoustic emission sensor body 17 is also conveniently disassembled from between the first clamping plate 13 and the second clamping plate 15, the threaded rod 11 is driven to rotate by rotating the rotating handle 10, the threaded rod 11 is connected and matched with the fixed transverse plate 7 through the threads, meanwhile, through the sliding connection and matching of the vertical rod 8 and the fixed transverse plate 7, the threaded rod 11 rotates to drive the connecting transverse plate 12 to move downwards, so as to drive the first clamping plate 13 and the second clamping plate 15 to move the acoustic emission sensor body 17 downwards, until the lower part of the acoustic emission sensor body 17 moves to contact and joint with the surface of the concrete, the acoustic emission sensor body 17 is tightly jointed with the surface of the concrete and is not easy to fall off.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a concrete crack detects uses sensor fixing device, includes mount pad (1), its characterized in that: the mounting seat is characterized in that a fixed vertical plate (3) is fixedly connected to the top of the mounting seat (1), a fixed transverse plate (7) is fixedly connected to the top of the fixed vertical plate (3), a connecting transverse plate (12) is arranged below the fixed transverse plate (7), a threaded rod (11) is longitudinally connected to the fixed transverse plate (7) in a penetrating manner, the bottom end of the threaded rod (11) is rotatably connected to the top of the connecting transverse plate (12), a rotating handle (10) is fixedly connected to the top end of the threaded rod (11), a first clamping plate (13) and a second clamping plate (15) are symmetrically arranged below the connecting transverse plate (12), a first sliding block (5) is fixedly connected to one side of the first clamping plate (13), a third sliding block (24) is fixedly connected to the other side of the first clamping plate (13), and a second sliding block (16) is fixedly connected to one side of the second clamping plate (15), the other side of the second clamping plate (15) is fixedly connected with a fourth sliding block (25), two first connecting vertical plates (6) are symmetrically and fixedly connected to one side of the bottom of the connecting transverse plate (12), two first sliding rods (4) which are symmetrically arranged are fixedly connected between the two first connecting vertical plates (6) together, the first sliding block (5) and the second sliding block (16) are both connected on the two first sliding rods (4) in a penetrating and sliding way, the other side of the bottom of the connecting transverse plate (12) is symmetrically and fixedly connected with two second connecting vertical plates (14), two symmetrically arranged third sliding rods (27) are fixedly connected between the two second connecting vertical plates (14), the third sliding block (24) and the fourth sliding block (25) are connected to the two third sliding rods (27) in a penetrating and sliding mode, and the first spring (23) and the second spring (26) are sleeved on the outer sides of the two third sliding rods (27).
2. The concrete crack detection sensor fixing device according to claim 1, wherein: one end of the first spring (23) is fixedly connected with the side wall of the third sliding block (24), the other end of the first spring (23) is fixedly connected with the side wall of one of the second connecting vertical plates (14), one end of the second spring (26) is fixedly connected with the side wall of the fourth sliding block (25), and the other end of the second spring (26) is fixedly connected with the side wall of the other one of the second connecting vertical plates (14).
3. The concrete crack detection sensor fixing device according to claim 1, wherein: a gear connecting plate (21) is fixedly connected between the two second connecting vertical plates (14) together, one side of the gear connecting plate (21) is rotatably connected with a gear (22), a second sliding rod (18) and a fourth sliding rod (29) are fixedly connected between the two second connecting vertical plates (14) together, a first rack (19) is connected onto the second sliding rod (18) in a penetrating and sliding manner, a second rack (28) is connected onto the outer side of the fourth sliding rod (29) in a penetrating and sliding manner, one side of the first rack (19) is fixedly connected with the side wall of a fourth sliding block (25), one side of the second rack (28) is fixedly connected with the side wall of a third sliding block (24), the first rack (19) and the second rack (28) are both meshed with the gear (22), the tooth grooves of the first rack (19) and the second rack (28) face opposite directions, and a first pressing handle (20) is fixedly connected onto the other side of the first rack (19), the other side of the second rack (28) is fixedly connected with a second pressing handle (30).
4. The concrete crack detection sensor fixing device according to claim 1, wherein: and the inner sides of the first clamping plate (13) and the second clamping plate (15) are provided with an acoustic emission sensor body (17) together.
5. The concrete crack detection sensor fixing device according to claim 1, wherein: the connecting transverse plate (12) is fixedly connected with a vertical rod (8) at the top, and the top end of the vertical rod (8) longitudinally slides to penetrate through a limiting block (9) fixedly connected with the rear part of the fixing transverse plate (7).
6. The concrete crack detection sensor fixing device according to claim 1, wherein: two mounting holes (2) are symmetrically formed in the mounting base (1) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818146.5U CN216309879U (en) | 2021-11-17 | 2021-11-17 | Sensor fixing device for concrete crack detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818146.5U CN216309879U (en) | 2021-11-17 | 2021-11-17 | Sensor fixing device for concrete crack detection |
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| Publication Number | Publication Date |
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| CN216309879U true CN216309879U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122818146.5U Active CN216309879U (en) | 2021-11-17 | 2021-11-17 | Sensor fixing device for concrete crack detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117250198A (en) * | 2023-11-20 | 2023-12-19 | 中国科学院沈阳自动化研究所 | Double-arm cooperative detection device and detection method thereof |
-
2021
- 2021-11-17 CN CN202122818146.5U patent/CN216309879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117250198A (en) * | 2023-11-20 | 2023-12-19 | 中国科学院沈阳自动化研究所 | Double-arm cooperative detection device and detection method thereof |
| CN117250198B (en) * | 2023-11-20 | 2024-01-30 | 中国科学院沈阳自动化研究所 | Double-arm cooperative detection device and detection method thereof |
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