CN218121803U - Concrete crack detection device - Google Patents
Concrete crack detection device Download PDFInfo
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- CN218121803U CN218121803U CN202222266075.7U CN202222266075U CN218121803U CN 218121803 U CN218121803 U CN 218121803U CN 202222266075 U CN202222266075 U CN 202222266075U CN 218121803 U CN218121803 U CN 218121803U
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Abstract
The application relates to a concrete crack detection device relates to the technical field that the municipal administration detected, and it includes: detecting a trolley; the distance measuring sensor is arranged at the bottom side of the detection trolley and outputs a distance measuring signal; the control assembly is in signal connection with the ranging sensor and receives the ranging signal, and the control assembly judges whether a crack exists according to the ranging signal; and the object collecting hopper is obliquely arranged at the bottom side of the detection trolley and is closer to the head of the detection trolley than the distance measuring sensor, and one side of the object collecting hopper, which is far away from the detection trolley, is in contact with the road surface to be detected. This application has and makes the difficult barrier that contacts of range sensor, reduces the effect of the probability of range sensor damage.
Description
Technical Field
The application relates to the technical field of municipal administration detection, especially, relate to concrete crack detection device.
Background
Concrete pavement refers to a pavement surfaced with a cement concrete slab. The concrete pavement structure is a pavement structure which is formed by taking a concrete slab as a surface course and arranging a base course and a cushion course under the concrete slab, and is also called as a rigid pavement.
Due to long-time wind and sun exposure and vehicle running, the probability of cracks on the concrete pavement is usually detected by adopting a crack detection device. However, since the concrete pavement is easy to have stone obstacles, the crack detection device is easy to be damaged due to collision.
Disclosure of Invention
In order to reduce the probability that crack detection device damaged, this application provides concrete crack detection device.
The application provides a concrete crack detection device adopts following technical scheme:
concrete crack detection device includes:
detecting a trolley;
the distance measuring sensor is arranged at the bottom side of the detection trolley and outputs a distance measuring signal;
the control assembly is in signal connection with the ranging sensor and receives the ranging signal, and the control assembly judges whether a crack exists according to the ranging signal; and the number of the first and second groups,
and the object collecting hopper is obliquely arranged at the bottom side of the detection trolley and is closer to the head of the detection trolley than the distance measuring sensor, and one side of the object collecting hopper, which is far away from the detection trolley, is in contact with the road surface to be detected.
Through adopting above-mentioned technical scheme, when treating to detect the road surface and carry out the crack detection, the detection dolly can be along waiting to detect the road surface walking, receives the thing fill and can collect barriers such as stone earlier and receive the thing fill for distance measuring sensor is difficult for touching the barrier, reduces the probability that distance measuring sensor damaged.
The distance measuring sensor detects a road surface to be detected, then outputs a distance measuring signal to the control assembly, and the control assembly judges whether a crack exists on the currently detected ground after receiving the distance measuring signal, so that the detection operation of the ground crack is completed.
Preferably, a connecting plate is arranged between the material receiving hopper and the detection trolley, and one side of the material receiving hopper, which is far away from the connecting plate, is connected with a horizontally arranged extending part.
Through adopting above-mentioned technical scheme, through the setting of extension for the barrier more easily remains in receiving the thing fill, further reduces the probability that range sensor contacted the barrier.
Preferably, one side of the extending part, which is far away from the material receiving hopper, is connected with an inclined feeding plate, and the inclined plane of the inclined feeding plate and the extending part are continuously arranged and form an obtuse angle.
By adopting the technical scheme, the barrier can enter the object receiving hopper more easily, and the object receiving hopper is convenient to remove the barrier on the road surface to be detected.
Preferably, a stepped storage platform is arranged in the middle of the storage hopper and is horizontally arranged.
Through adopting above-mentioned technical scheme, the ladder is deposited the platform and has further increased the holding capacity who receives the thing fill to further reduce distance measuring sensor and barrier contact's probability, ensure the smooth walking of detection trolley simultaneously.
Preferably, a dust removal rotating brush is further arranged on one side, close to the object collecting hopper, of the connecting plate, and a brush head of the dust removal rotating brush is in contact with a road surface to be detected; the end of the dust removal rotating brush, which is far away from the brush head, is provided with a rotating motor, and the rotating motor is controlled by the control component.
Through adopting above-mentioned technical scheme, control assembly control rotates the motor and rotates, then drives the dust removal and changes the brush rotation, further clears away and waits to detect the road surface dust to improve distance measuring sensor's detection precision.
Preferably, a water spraying hole is formed in the middle of the dust removing rotating brush, the water spraying hole is connected with a water storage container through a water pipe, the water pipe is arranged in the connecting plate, the water storage container is arranged in the detection trolley, a water pumping valve is arranged at the position, close to the water pipe, of the water storage container, and the water pumping valve is controlled to be connected to the control assembly.
Through adopting above-mentioned technical scheme, control assembly control pumping valve opens for water in the trap can be along water pipe to hole for water spraying, then spout to waiting to detect the road surface, and the rotation of brush is changeed in the dust removal simultaneously along the dust removal, realizes the clean purpose of waiting to detect the road surface, is convenient for improve distance measuring sensor's detection precision more.
Preferably, the control assembly comprises:
the controller is in signal connection with the ranging sensor and forwards the ranging signal;
the comparator is in signal connection with the controller, receives the ranging signal, judges the ranging signal and outputs a comparison result to the controller; and the number of the first and second groups,
and the calculator is in signal connection with the controller, calculates the width, the length and the depth of the crack according to the comparison result, and outputs the width, the length and the depth of the crack to the controller.
Through adopting above-mentioned technical scheme, control the detection dolly through the controller to the crack information that detects is exported, and the staff of being convenient for handles the crack.
Preferably, a plurality of telescopic rods are arranged between the distance measuring sensor and the detection trolley, and the telescopic rods are controlled by the control assembly.
Through adopting above-mentioned technical scheme, at the in-process of non-detection operation, there is the condition that detects the dolly and still need further walking, for further protection distance measuring sensor, reduces the probability that distance measuring sensor damaged, and the control telescopic link shrink for distance measuring sensor keeps away from ground, thereby realizes the purpose of protection distance measuring sensor.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the crack of the road surface to be detected is detected, the detection trolley can walk along the road surface to be detected, and the collecting hopper can collect obstacles such as stones into the collecting hopper, so that the distance measuring sensor is not easy to contact with the obstacles, and the probability of damage of the distance measuring sensor is reduced;
2. the holding capacity of the receiving hopper is increased, so that the contact probability of the distance measuring sensor and the obstacle is further reduced, and meanwhile, the detection trolley is ensured to walk smoothly;
3. control assembly control pumping valve opens for water in the deposit water container can be along water pipe to hole for water spraying, then spout to waiting to detect the road surface, and the rotation of brush is changeed in the dust removal simultaneously along the company, realizes the clean purpose of waiting to detect the road surface, is convenient for improve distance measuring sensor's detection precision more.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 isbase:Sub>A cross-sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic diagram of the signal transmission relationship of the control module in the embodiment of the present application;
FIG. 4 is an enlarged view of portion B of FIG. 1;
fig. 5 is an enlarged schematic view of a portion C in fig. 2.
Reference numerals are as follows: 1. detecting a trolley; 11. a traveling wheel; 12. a drive motor; 2. a distance measuring sensor; 21. a telescopic rod; 3. a control component; 31. a controller; 32. a comparator; 33. a calculator; 4. a collecting hopper; 41. a telescopic cylinder; 42. a ladder storage platform; 43. a first plate; 44. a second plate; 45. an extension portion; 46. inclining a feeding plate; 5. a connecting plate; 6. a dust removal rotary brush; 61. rotating the motor; 62. a water spray hole; 63. a water storage container; 631. a water pumping valve; 64. a water pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses concrete crack detection device. Referring to fig. 1 and 2, the concrete crack detection device comprises a detection trolley 1, a distance measuring sensor 2, a control component 3 and a receiving hopper 4, wherein the distance measuring sensor 2, the control component 3 and the receiving hopper 4 are all arranged on the detection trolley 1.
When needs detect the crack, detect dolly 1 and detect the road surface walking along the area under control assembly 3's drive, receive that thing fill 4 will wait to detect barrier such as stone on the road surface and collect into the fill earlier, then range finding sensor 2 treats the road surface of detecting and carries out crack detection to output range finding signal to control assembly 3, control assembly 3 judges behind the range finding signal whether there is the crack on current road surface.
In detail, four traveling wheels 11 are arranged on one side of the detection trolley 1, the traveling wheels 11 are driven by the control component 3 to rotate, and related technologies known to those skilled in the art such as a driving motor 12 can be adopted.
Further, ranging sensor 2 can adopt one of ultrasonic ranging sensor 2, laser ranging sensor 2, infrared ranging sensor 2 or millimeter wave radar sensor etc. and the theory of operation of above-mentioned sensor is the launching wave, receives the back wave after the object reflection, then calculates according to the time difference between launching wave and the receiving wave and the speed of wave and reachs the distance.
In the embodiment of the present application, a row of distance measuring sensors 2 is disposed on the bottom side of the detection trolley 1, and the row of distance measuring sensors 2 is disposed perpendicular to the length direction of the detection trolley 1. A plurality of range finding sensors 2 and 3 signal connection of control module, control module 3 can calculate out the width and the degree of depth of crack according to range finding sensor 2 output range finding signal. The ranging signal is a voltage signal.
In order to protect the distance measuring sensor 2 when not detecting, reduce the distance measuring sensor 2 by the fish tail, in the embodiment of the application, be provided with a plurality of telescopic links 21 between the distance measuring sensor 2 and the detection trolley 1. The telescopic rod 21 can be an electric telescopic rod 21 or a telescopic motor, etc., and the telescopic rod 21 is controlled by the control component 3, and the control signal output by the control component 3 controls the extension or contraction of the telescopic rod 21.
Further, the control module 3 is used for outputting different control signals, implementing control of each device, and performing simple calculation and the like.
Referring to fig. 3, the control assembly 3 includes a controller 31, a comparator 32, and a calculator 33, wherein the controller 31 is mainly used for receiving signals and outputting various control signals, the comparator 32 is used for judging whether a crack exists, and the calculator 33 is used for calculating the width and depth of the crack, etc.
The controller 31 is in signal connection with the distance measuring sensor 2 and the driving motor 12, and controls the operation of the distance measuring sensor 2 and the detection trolley 1. In this embodiment, the controller 31 may adopt a microcontroller such as a PLC or a MCU, and when the controller 31 controls the detection cart 1 to walk, a person skilled in the art needs to match a corresponding driving circuit according to the model of the driving motor 12 selected by time, so that the controller 31 can control the driving motor 12 to run.
The inverting input end of the comparator 32 is in signal connection with the controller 31, the comparator 32 receives the ranging signal forwarded by the controller 31, the non-inverting input end of the comparator 32 is connected to a reference signal Vref, the reference signal Vref is preset by a worker, and the reference signal Vref indicates that the distance is slightly larger than the distance between the position of the ranging sensor 2 during detection and the road surface to be detected.
When the distance represented by the ranging signal is greater than the distance represented by the reference signal Vref, the comparator 32 outputs a high level signal to the controller 31, which indicates that a crack exists on the road surface to be detected. When the distance represented by the ranging signal is smaller than the distance represented by the reference signal Vref, the comparator 32 outputs a low level signal to the controller 31, which indicates that no crack exists on the road surface to be detected.
Further, the calculator 33 is in signal connection with the controller 31, and the calculator 33 receives the comparison result forwarded by the controller 31, where the comparison result can be understood as comparing the output high level signal with the output low level signal.
The calculator 33 calculates the width of the crack according to the comparison result of the ranging signals continuously output by the same ranging sensor 2, and the calculation formula of the width is as follows: the width of the crack = the time at which the comparison result of the same distance measuring sensor 2 continues to be high level, the travelling speed of the trolley 1 is detected.
The calculator 33 calculates the length of the crack according to the comparison result of the high level signals received at the same time, that is, the ranging signals output by the array of ranging sensors 2 at the same time, where the length is calculated according to the formula: the length of the crack = the number of the distance measuring sensors 2 whose comparison result is output as a high level signal x the distance between two adjacent distance measuring sensors 2.
Meanwhile, the calculator 33 may also calculate the depth of the crack according to the ranging signal, and the calculation formula of the crack depth is as follows: the depth of the crack = the time difference between the wave generated and the wave received by the same distance measuring sensor 2.
The width, length and depth of the crack calculated by the calculator 33 are all output to the controller 31, and in the calculation process, a memory is usually required, and the memory can adopt a memory function carried by the controller 31 or an external memory.
Further, referring to fig. 4 and 5, the object receiving hopper 4 is closer to the head of the detection trolley 1 than the distance measuring sensor 2, a connecting plate 5 is arranged between the object receiving hopper 4 and the detection trolley 1, the connecting plate 5 and the detection trolley 1 are in telescopic connection, a telescopic cylinder 41 and the like can be adopted for connection, the telescopic cylinder 41 is arranged in the detection trolley 1, and the telescopic cylinder 41 is controlled by the controller 31.
During detection, the controller 31 controls the telescopic cylinder 41 to contract, so that the connecting plate 5 descends until one side of the receiving hopper 4, which is far away from the connecting plate 5, is in contact with the road surface to be detected; when the detection is not performed, the controller 31 controls the telescopic cylinder 41 to extend and lift the connecting plate 5, so that the receiving hopper 4 is closer to the detection trolley 1, and the abrasion of the receiving hopper 4 is reduced.
Receive thing fill 4 and be the slabby setting, and the slope is connected in one side that detection dolly 1 was kept away from to connecting plate 5, and receive thing fill 4 towards the locomotive one side slope of detection dolly 1, is convenient for collect in advance and waits to detect barriers such as stone that exist on the road surface.
In order to further improve the collecting capacity of the receiving bucket 4, in another embodiment, the middle part of the receiving bucket 4 is provided with a horizontally arranged ladder storage platform 42, the ladder storage platform 42 divides the receiving bucket 4 into two parts which are respectively provided with a first plate 43 and a second plate 44, and the inclination angles of the first plate 43 and the second plate 44 are arranged in the same way; the first plate 43 is located between the stepped storage platform 42 and the connecting plate 5, and the second plate 44 is located on the side of the stepped storage platform 42 away from the first plate 43.
In another embodiment, in order to facilitate the entry of an obstacle into the article receiving bucket 4, an extension 45 is extended from one side of the second plate 44 away from the step storage platform 42 toward the direction of the head of the detection trolley 1, and the extension 45 may be integrally provided with the second plate 44.
In another embodiment, the side of the extending portion 45 away from the second plate 44 is connected with an inclined feeding plate 46, the inclined feeding plate 46 and the extending portion are integrally formed, and the inclined surface of the inclined feeding plate 46 and the extending portion 45 are continuously arranged at an obtuse angle, which can be referred to as a dustpan in daily life.
Furthermore, one side of the connecting plate 5 close to the receiving hopper 4 is also provided with a dust removing rotating brush 6, the dust removing rotating brush 6 is controlled by a rotating motor 61 to rotate, the rotating motor 61 can be arranged in the connecting plate 5, and the rotating motor 61 is controlled by the controller 31.
When detecting, the brush head of dust removal commentaries on classics brush 6 with wait to detect road surface contact for the brush head of dust removal commentaries on classics brush 6 can clean and wait to detect the road surface, further improves distance measuring sensor 2's detection precision.
In another embodiment, the middle part of the dust removing rotating brush 6 close to one side of the brush head is provided with a plurality of water spraying holes 62, and the water spraying holes 62 are distributed in a circumferential array. A water storage container 63 is arranged in the detection trolley 1, and the water storage container 63 can be a bucket or a water tank. The water storage tank 63 and the water jetting hole 62 are connected by a water pipe 64, and the water pipe 64 is mainly provided in the connection plate 5.
In order to facilitate the control of the controller 31, the water storage container 63 is provided with a water pumping valve 631 near the water pipe 64, and when water needs to be sprayed, the controller 31 controls the water pumping valve 631 to be opened, so that water in the water storage container 63 can flow to the water spraying hole 62 through the water pipe 64 and be sprayed to the road surface to be detected, and the road surface to be detected is further cleaned.
The implementation principle of the concrete crack detection device in the embodiment of the application is as follows: during detection, the telescopic cylinder 41 is contracted until the object receiving hopper 4 and the dust removing rotating brush 6 are contacted with the road surface to be detected under the control of the controller 31, and simultaneously the telescopic rods 21 are synchronously extended until the distance measuring sensor 2 is close to the road surface to be detected; then the controller 31 controls the detection trolley 1 to travel along the road surface to be detected, in the traveling process, the collecting hopper 4 collects obstacles such as stones and the like, and the dedusting rotary brush 6 and the water spray holes 62 clean the road surface to be detected; then the distance measuring sensor 2 detects and outputs a distance measuring signal, the controller 31 receives the distance measuring signal and then judges, and if a crack exists, the width, the length and the depth of the crack are calculated.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. Concrete crack detection device, its characterized in that includes:
a detection trolley (1);
the distance measuring sensor (2) is arranged at the bottom side of the detection trolley (1) and outputs a distance measuring signal;
the control assembly (3) is in signal connection with the ranging sensor (2) and receives the ranging signal, and the control assembly (3) judges whether a crack exists according to the ranging signal; and (c) a second step of,
the object receiving hopper (4) is obliquely arranged at the bottom side of the detection trolley (1) and is closer to the head of the detection trolley (1) than the distance measuring sensor (2), and one side, far away from the detection trolley (1), of the object receiving hopper (4) is in contact with a road surface to be detected.
2. The concrete crack detection device according to claim 1, characterized in that a connecting plate (5) is arranged between the material receiving hopper (4) and the detection trolley (1), and a horizontally arranged extension part (45) is connected to one side of the material receiving hopper (4) far away from the connecting plate (5).
3. The concrete crack detection device according to claim 2, characterized in that an inclined feeding plate (46) is connected to one side of the extension part (45) far away from the material receiving hopper (4), and the inclined surface of the inclined feeding plate (46) is continuously arranged with the extension part (45) and forms an obtuse angle.
4. The concrete crack detection device according to claim 1, characterized in that a stepped storage platform (42) is arranged in the middle of the storage hopper (4), and the stepped storage platform (42) is horizontally arranged.
5. The concrete crack detection device according to claim 2, characterized in that a dust removing rotating brush (6) is further arranged on one side of the connecting plate (5) close to the collecting hopper (4), and a brush head of the dust removing rotating brush (6) is in contact with a road surface to be detected; one end of the dust removal rotating brush (6) far away from the brush head is provided with a rotating motor (61), and the rotating motor (61) is controlled by the control component (3).
6. The concrete crack detection device according to claim 5, characterized in that a water spraying hole (62) is formed in the middle of the dust removing rotating brush (6), the water spraying hole (62) is connected with a water storage container (63) through a water pipe (64), the water pipe (64) is arranged in the connecting plate (5), the water storage container (63) is arranged in the detection trolley (1), a water pumping valve (631) is arranged at the position, close to the water pipe (64), of the water storage container (63), and the water pumping valve (631) is controlled and connected to the control component (3).
7. The concrete crack detection device of claim 1, wherein the control assembly (3) comprises:
the controller (31) is in signal connection with the ranging sensor (2) and forwards the ranging signal;
the comparator (32) is in signal connection with the controller (31), receives and judges the ranging signal, and outputs a comparison result to the controller (31); and the number of the first and second groups,
and the calculator (33) is in signal connection with the controller (31), calculates the width, the length and the depth of the crack according to the comparison result and outputs the width, the length and the depth of the crack to the controller (31).
8. The concrete crack detection device according to claim 1, characterized in that a plurality of telescopic rods (21) are arranged between the distance measuring sensor (2) and the detection trolley (1), and the telescopic rods (21) are controlled by the control assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222266075.7U CN218121803U (en) | 2022-08-27 | 2022-08-27 | Concrete crack detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222266075.7U CN218121803U (en) | 2022-08-27 | 2022-08-27 | Concrete crack detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218121803U true CN218121803U (en) | 2022-12-23 |
Family
ID=84528297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222266075.7U Active CN218121803U (en) | 2022-08-27 | 2022-08-27 | Concrete crack detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218121803U (en) |
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2022
- 2022-08-27 CN CN202222266075.7U patent/CN218121803U/en active Active
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