Road crack detection device

Abstract

The present invention belongs to the technical field of road detection, and in particular discloses a road crack detection device, including a chassis, a universal wheel, an air compressor, two pump bodies, a hose and two valve islands, a container block is fixed on the top of the chassis, a trapezoidal groove penetrating to the bottom of the container block is provided on the bottom of the chassis, a transmission cavity is provided inside the container block, a plurality of adjustment holes are provided on the inner top surface of the transmission cavity at equal intervals, and a sensing component for detecting road cracks is provided inside the plurality of adjustment holes; the present invention, by providing a sensing component, an alarm component and a feedback component, is conducive to issuing an alarm indication to people when cracks are detected in the road, and filling the cracks at the same time, and can also timely block the filling when the sensing component slides out of the cracks after the cracks are filled, so as to prevent the filling material from spilling outside the cracks.

Description

Technical Field

[0001] The present invention relates to the technical field of road detection, and in particular to a road crack detection device. Background Art

[0002] Municipal roads are one of the important transportation facilities in the city. During the use of municipal roads, cracks in the road surface need to be repaired and maintained in time. If they are not repaired in time, it will not only quickly cause the road surface to break, but also create safety hazards for vehicles during driving. When maintaining the roads, most of them need to use crack detection equipment to detect the road surface first. During the detection process, the micro roller contacts the ground, and when encountering cracks, the micro roller can extend into it. As the micro roller descends, it can drive the alarm device to alarm, thereby reminding people that there are cracks on the current road surface.

[0003] Currently, existing equipment can only detect whether there are cracks in the road surface, but cannot further fill and repair the cracks. At the same time, after the micro roller enters the crack, since the shape of the crack is mostly narrow at both ends, the two sides of the roller and the two sides of the crack are engaged with each other during the forward pushing process, which will cause the roller to be unable to rotate and produce motion interference. Summary of the invention

[0004] In order to solve the problems in the prior art, the present invention provides a road crack detection device.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a road crack detection device, comprising a chassis, a universal wheel, an air compressor, two pump bodies, a hose and two valve islands, a container block is fixed on the top of the chassis, a trapezoidal groove penetrating to the bottom of the container block is provided at the bottom of the chassis, a transmission cavity is provided inside the container block, a plurality of adjustment holes are provided at equal intervals on the inner top surface of the transmission cavity, and a sensing component for detecting road cracks is provided inside each of the plurality of adjustment holes;

[0006] The universal wheel is installed at the bottom of the chassis at the four corners, a push handle is fixed on the top of the chassis near the edge of the other side, a storage cylinder is arranged on the top of the chassis, the air compressor is fixed on the top of the chassis, the two pump bodies are fixed on the top of the chassis, one of the pump bodies is connected to the storage cylinder, the other pump body is connected to the air compressor, the two valve islands are fixed on the top of the chassis, the two valve islands are connected to the two pump bodies respectively, the sensing component includes a reciprocating rod, the reciprocating rod is slidably arranged between the inner walls of the adjustment hole, and the outer surface of the reciprocating rod is provided with an alarm component A feedback component is provided inside the reciprocating rod, the bottom of the reciprocating rod slides through the bottom of the assembly block and extends into the trapezoidal groove, a hexagonal marking rod is fixed on the top of the reciprocating rod, the top of the hexagonal marking rod slides through the top of the assembly block, a bottom groove is opened at the bottom of the reciprocating rod and penetrates the outer surfaces on both sides, a contact knife plate is rotatably connected between the inner walls on both sides of the bottom groove, a baffle is fixed on the inner top surface of the bottom groove near the edge of the outer surface of one side of the reciprocating rod, one side of the baffle is in contact with one side of the contact knife plate, and the bottom of the contact knife plate is in an arc shape near one side edge.

[0007] Preferably, a plurality of feed pipes are equidistantly fixed on one side of the assembly block and extend to the other side, and the plurality of feed pipes are correspondingly connected to the adjusting holes. A plurality of air supply pipes are equidistantly fixed on one side of the assembly block and extend to the other side, and the plurality of air supply pipes are correspondingly connected to the adjusting holes, and the plurality of air supply pipes are correspondingly located below the feed pipes.

[0008] Preferably, a plurality of discharge pipes are equidistantly fixed on the top of the chassis on one side of the assembly block, one end of the plurality of discharge pipes correspondingly extends to an inner wall of one side of the trapezoidal groove, one end of the plurality of discharge pipes and one end of the plurality of feeding pipes are connected by a hose, a plurality of injection pipes are equidistantly fixed on the top of the chassis near the other side edge, one end of the plurality of injection pipes are obliquely extended toward the front side of the chassis, and one end of the plurality of air supply pipes is connected to one end of the injection pipe by a hose.

[0009] Preferably, an air cavity is opened inside the reciprocating rod, both sides of the air cavity penetrate to the outside of the reciprocating rod, and the air supply pipes located on both sides of the regulating hole are connected to each other through the air cavity.

[0010] Preferably, the feedback assembly includes an adjusting block, an adjusting cavity is opened inside the reciprocating rod near the top edge, the adjusting block is slidably connected between the inner walls of the adjusting cavity, a second spring is fixed to the bottom of the adjusting block, the bottom of the second spring is fixed to the inner bottom surface of the adjusting cavity, a feed hole is opened on the outer surface of one side of the reciprocating rod and extends to the other side, the feed hole is connected to the adjusting cavity, and a through hole is opened on one side of the adjusting block and extends to the other side, and the through hole is opposite to the feed hole.

[0011] Preferably, the feeding pipes located on both sides of the adjusting hole are connected to each other through the feeding hole and the through hole, a lower transition chamber is opened inside the reciprocating rod near the bottom edge, an upper transition chamber is opened inside the reciprocating rod above the lower transition chamber, a hexagonal hole is opened on the inner bottom surface of the upper transition chamber and passes through the lower transition chamber, and a hexagonal sliding rod is slidably connected to the inside of the hexagonal hole.

[0012] Preferably, the inner bottom surface of the adjustment cavity is provided with two through holes which penetrate into the upper transition cavity, and the first traction rope is arranged inside the two through holes, and the tops of the two first traction ropes are fixed to the bottom of the adjustment block, and the bottoms of the two first traction ropes are fixed to the top of the hexagonal slide bar, and the second traction rope is fixed to the bottom of the hexagonal slide bar, and the bottom of the second traction rope slides through the interior of the bottom groove, and the bottom of the second traction rope is fixed to the top of the contact blade plate near the edge of one side of the baffle.

[0013] Preferably, the alarm assembly includes a fixed ring, which is fixed on the outer surface of the reciprocating rod, and copper contacts are fixed on the bottom of the fixed ring near the edges on both sides, and a first spring is fixed on the top of the fixed ring, and the first spring is fixed on the inner top surface of the transmission cavity.

[0014] Preferably, an insulating ring is fixed to the inner bottom surface of the transmission cavity, and electrical connection grooves are opened on the top of the insulating ring near both sides, and the two electrical connection grooves are correspondingly located directly below the two copper contacts, and a plurality of indicator lights are fixed to one side of the assembly block, and the plurality of indicator lights are correspondingly located above the feeding pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention is provided with a sensing component, an alarm component and a feedback component, which is conducive to issuing an alarm indication to people when cracks are detected on the road, and filling the cracks at the same time. It can also stop the filling in time when the sensing component slides out of the cracks after the cracks are filled, so as to prevent the filling material from spilling outside the cracks;

[0017] 2. The present invention is provided with a sensing component, which can detect whether there are cracks on the road surface. When the sensing component is working, it will extend into the crack by contacting the bottom of the blade, thereby driving the reciprocating rod to slide downward. During the downward sliding process of the reciprocating rod, the feeding pipe will be connected, and the filling material can be delivered to fill the crack;

[0018] 3. The present invention is provided with an alarm component, which can be triggered to warn people when the sensing component detects cracks in the road surface. When the alarm component is working, when the sensing component detects cracks in the road surface, the bottom of the contact blade extends into the crack, which drives the reciprocating rod to slide downward. When the reciprocating rod slides downward, the copper contact is engaged in the electrical connection slot, so that the corresponding indicator light flashes to warn people;

[0019] 4. The present invention is provided with a feedback component, which can timely block the filling when the sensing component slides out of the crack after the crack is filled, so as to prevent the filling material from spilling outside the crack. When the feedback component is working, since the bottom of the contact blade extends into the crack, it will interfere with one side of the contact blade when sliding to the end of the crack. At this time, the contact blade will be pushed to one side to cause the contact blade and the reciprocating rod to rotate. During the rotation, the second traction rope will be pulled downward, and then the first traction rope will be pulled downward to make the adjustment block slide toward the bottom of the adjustment cavity, so that the through hole and the feed hole are offset relative to each other, so that the supply of filling material can be cut off. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the main stereoscopic structure of a road crack detection device proposed by the present invention;

[0021] Figure 2 A schematic diagram of a top-down stereoscopic structure of a road crack detection device proposed by the present invention;

[0022] Figure 3 A schematic diagram of a bottom-up stereoscopic structure of a road crack detection device proposed by the present invention;

[0023] Figure 4 A partial cross-sectional three-dimensional structural schematic diagram of a road crack detection device proposed by the present invention;

[0024] Figure 5 A side sectional view of the internal structure of a container block in a road crack detection device provided by the present invention;

[0025] Figure 6 A cross-sectional view of the other side of the internal structure of a container block in a road crack detection device proposed by the present invention;

[0026] Figure 7 The present invention provides a schematic cross-sectional three-dimensional structure diagram of a container block in a road crack detection device;

[0027] Figure 8 A schematic diagram of a three-dimensional structure of a reciprocating rod in a road crack detection device provided by the present invention;

[0028] Fig. 9 The present invention provides a schematic diagram of a three-dimensional structure of a reciprocating rod in a road crack detection device from the other side;

[0029] Fig.10 For the present invention Figure 4 A partial enlarged view of point A in the middle;

[0030] Fig.11 For the present invention Figure 5 A partial enlarged view of point B in the middle;

[0031] Fig.12 For the present invention Figure 6 A magnified partial view of point C in the middle.

[0032] In the figure: 1, chassis; 2, push handle; 3, storage cylinder; 4, universal wheel; 5, air compressor; 6, pump body; 7, assembly block; 8, hose; 9, jet pipe; 10, valve island; 11, discharge pipe; 12, feed pipe; 13, air supply pipe; 14, transmission chamber; 15, hexagonal marking rod; 16, indicator light; 17, trapezoidal groove; 18, adjustment hole; 19, insulation ring; 20, electrical connection groove; 21, reciprocating rod; 22. Air cavity; 23. Fixed ring; 24. Copper contact; 25. First spring; 26. Contact blade; 27. Bottom groove; 28. Upper transition cavity; 29. ​​Lower transition cavity; 30. Hexagonal hole; 31. Hexagonal slide bar; 32. Through hole; 33. First traction rope; 34. Adjustment cavity; 35. Adjustment block; 36. Through hole; 37. Second spring; 38. Feed hole; 39. Second traction rope; 40. Baffle. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-12 The present invention provides a technical solution: a road crack detection device, comprising a chassis 1, a universal wheel 4, an air compressor 5, two pump bodies 6, a hose 8 and two valve islands 10, a container block 7 is fixed on the top of the chassis 1, a trapezoidal groove 17 penetrating to the bottom of the container block 7 is provided at the bottom of the chassis 1, a transmission cavity 14 is provided inside the container block 7, a plurality of adjustment holes 18 are equidistantly provided on the inner top surface of the transmission cavity 14, and a sensing component for detecting road cracks is provided inside each of the plurality of adjustment holes 18;

[0035] Universal wheels 4 are installed at the bottom of the chassis 1 at the four corners, a push handle 2 is fixed on the top of the chassis 1 near the edge of the other side, a storage cylinder 3 is arranged on the top of the chassis 1, an air compressor 5 is fixed on the top of the chassis 1, two pump bodies 6 are fixed on the top of the chassis 1, one pump body 6 is interconnected with the storage cylinder 3, and the other pump body 6 is interconnected with the air compressor 5, two valve islands 10 are fixed on the top of the chassis 1, and the two valve islands 10 are connected with the two pump bodies 6 accordingly, a plurality of feed pipes 12 penetrating to the other side are equidistantly fixed on one side of the assembly block 7, and the plurality of feed pipes 12 are correspondingly connected with the adjustment hole 18, and a plurality of feed pipes 12 penetrating to the other side are equidistantly fixed on one side of the assembly block 7 To the air supply pipe 13 on the other side, multiple air supply pipes 13 are correspondingly interconnected with the adjustment hole 18, and multiple air supply pipes 13 are correspondingly located below the feeding pipe 12. The top of the chassis 1 is located on one side of the assembly block 7, and multiple discharge pipes 11 are equidistantly fixed, and one end of the multiple discharge pipes 11 extends to the inner wall of one side of the trapezoidal groove 17, and one end of the multiple discharge pipes 11 is connected to one end of the multiple feeding pipes 12 through a hose 8. Multiple injection pipes 9 are equidistantly fixed at the top of the chassis 1 near the edge of the other side, and one end of the multiple injection pipes 9 is inclined to extend toward the front side of the chassis 1, and one end of the multiple air supply pipes 13 is connected to one end of the injection pipe 9 through a hose 8.

[0036] The effect achieved is that the device is pushed to move on the road surface, and the universal wheel 4 can drive the chassis 1 to slide forward horizontally at a certain height above the road surface. During the sliding process, the sensing component can be set to detect whether there are cracks in the road surface. By setting the alarm component, the alarm component can be triggered to warn people when the sensing component detects that there are cracks in the road surface. By setting the feedback component, the filling can be blocked in time when the sensing component slides out of the crack after filling the crack, so as to prevent the filling material from spilling outside the crack. On the chassis 1, the air compressor 5 can supply high-pressure air to the inside of the jet pipe 9, so that the chassis 1 can remove dust on the road surface and the inside of the crack when moving forward, so as to facilitate the filling of the crack when the crack is detected later. When the high-pressure air is delivered, the valve island 10 can be used for diversion delivery, and the pump body 6 can be used to increase the pressure of the air delivery. The pump body 6 is connected to the storage cylinder 3 on the chassis 1, and the filling material inside the storage cylinder 3 can be delivered to the discharge pipe 11, so that the crack can be filled. When the filling material is delivered, the valve island 10 can be used for diversion delivery, so as to facilitate the simultaneous filling of multiple cracks.

[0037] like Figure 4-9As shown, the sensing assembly includes a reciprocating rod 21, which is slidably arranged between the inner walls of the adjustment hole 18, an alarm assembly is arranged on the outer surface of the reciprocating rod 21, and a feedback assembly is arranged inside the reciprocating rod 21. The bottom of the reciprocating rod 21 slides through the bottom of the assembly block 7 and extends to the inside of the trapezoidal groove 17. A hexagonal marking rod 15 is fixed on the top of the reciprocating rod 21, and the top of the hexagonal marking rod 15 slides through the top of the assembly block 7. The bottom of the reciprocating rod 21 is provided with a A bottom groove 27, a contact blade 26 is rotatably connected between the inner walls on both sides of the bottom groove 27, a baffle 40 is fixed to the inner top surface of the bottom groove 27 near the edge of the outer surface of one side of the reciprocating rod 21, one side of the baffle 40 is in contact with one side of the contact blade 26, the bottom of the contact blade 26 is in an arc shape near one edge, an air cavity 22 is opened inside the reciprocating rod 21, both sides of the air cavity 22 penetrate to the outside of the reciprocating rod 21, and the air supply pipes 13 located on both sides of the adjusting hole 18 are connected to each other through the air cavity 22.

[0038] The effect achieved is that, by arranging a contact blade 26 at the bottom of the reciprocating rod 21, the bottom of the contact blade 26 can contact the road surface, thereby detecting whether there are cracks in the road surface. When no cracks are generated on the road surface, the bottom of the contact blade 26 will slide on the road surface, and the reciprocating rod 21 will not slide downward at this time. The air supply pipe 13 is connected through the air cavity 22, so that high-pressure air can be delivered to the inside of the jet pipe 9 to remove dust on the road surface in front of the chassis 1. When cracks are generated on the road surface, the bottom of the contact blade 26 extends into the crack, thereby driving the reciprocating rod 21 to slide downward. In the process of the reciprocating rod 21 sliding downward, the air cavity 22 and the air supply pipe 13 will be misaligned with each other, thereby cutting off the air supply pipe 13. At the same time, in the process of the reciprocating rod 21 sliding downward, the feed hole 38 will be opposite to the feed pipe 12, so that the filling material is filled into the crack through the discharge pipe 11.

[0039] like Figure 2 , Figure 5 and Fig.11 As shown, the alarm assembly includes a fixed ring 23, which is fixed on the outer surface of the reciprocating rod 21, and copper contacts 24 are fixed to the bottom of the fixed ring 23 near the edges on both sides, and a first spring 25 is fixed to the top of the fixed ring 23, and the first spring 25 is fixed to the inner top surface of the transmission cavity 14, and an insulating ring 19 is fixed to the inner bottom surface of the transmission cavity 14, and electrical connection grooves 20 are opened on the top of the insulating ring 19 near both sides, and the two electrical connection grooves 20 are correspondingly located directly below the two copper contacts 24, and a plurality of indicator lights 16 are fixed to one side of the assembly block 7, and the plurality of indicator lights 16 are correspondingly located above the feeding pipe 12.

[0040] The effect achieved is that, in actual use, the two ends of the indicator light 16 are electrically connected to the two copper contacts 24 on the fixing ring 23, and the two electrical connection grooves 20 on the insulating ring 19 are electrically connected to the positive and negative poles of the external power supply, so when the sensing component detects a crack in the road surface, the reciprocating rod 21 is pressed downward under the elastic pressure of the first spring 25, so that the bottom of the contact blade 26 extends into the crack, and when the reciprocating rod 21 slides downward, the copper contact 24 will be engaged in the electrical connection groove 20, causing the corresponding indicator light 16 to flash to alert people.

[0041] like Figure 4 , Figure 6 , Figure 8 , Fig. 9 , Fig.10 and Fig.12 As shown, the feedback assembly includes an adjustment block 35, an adjustment cavity 34 is opened near the top edge of the reciprocating rod 21, the adjustment block 35 is slidably connected between the inner walls of the adjustment cavity 34, a second spring 37 is fixed to the bottom of the adjustment block 35, and the bottom of the second spring 37 is fixed to the inner bottom surface of the adjustment cavity 34, a feed hole 38 is opened on the outer surface of one side of the reciprocating rod 21 and extends to the other side, and the feed hole 38 is connected to the adjustment cavity 34, a through hole 36 is opened on one side of the adjustment block 35 and extends to the other side, and the through hole 36 is opposite to the feed hole 38, and the feed pipes 12 located on both sides of the adjustment hole 18 are connected to each other through the feed hole 38 and the through hole 36, a lower transition cavity 29 is opened near the bottom edge of the reciprocating rod 21, and the reciprocating rod 21 is located at the lower transition cavity 29. An upper transition chamber 28 is provided above the chamber 29, and a hexagonal hole 30 is provided on the inner bottom surface of the upper transition chamber 28, which penetrates into the lower transition chamber 29, and a hexagonal slide rod 31 is slidably connected to the interior of the hexagonal hole 30. Two through holes 32 are provided on the inner bottom surface of the adjustment chamber 34, which penetrate into the interior of the upper transition chamber 28, and a first traction rope 33 is provided inside the two through holes 32. The tops of the two first traction ropes 33 are fixed to the bottom of the adjustment block 35, and the bottoms of the two first traction ropes 33 are fixed to the top of the hexagonal slide rod 31. A second traction rope 39 is fixed to the bottom of the hexagonal slide rod 31, and the bottom of the second traction rope 39 slides through the interior of the bottom groove 27, and the bottom of the second traction rope 39 is fixed to the top of the contact blade 26 near the edge of one side of the baffle 40.

[0042] The effect achieved is that after the bottom of the contact blade 26 extends into the crack, as people push the chassis 1, the contact blade 26 will slide inside the crack. At this time, since the second spring 37 has an upward elastic force on the adjustment block 35, it will drive the first traction rope 33 to pull the hexagonal slide bar 31 upward. When the hexagonal slide bar 31 is pulled upward, it will pull the contact blade 26 to flip toward the side of the baffle 40 through the second traction rope 39, so that one side of the contact blade 26 is tightly fitted with one side of the baffle 40, and at this time, the contact blade 26 is vertically opposite to the reciprocating rod 21. When the contact blade 26 slides to the end of the crack, it will be pressed against the side of the contact blade 26 and the baffle 40 that are in contact with each other. Interference occurs, and the contact blade 26 is pushed to the side away from the baffle 40 to cause rotation between the contact blade 26 and the reciprocating rod 21. During the rotation, the second traction rope 39 is pulled downward, and then the first traction rope 33 is pulled downward to make the adjustment block 35 slide below the adjustment cavity 34, so that the through hole 36 and the feed hole 38 are offset relative to each other, so that the supply of filling material can be cut off. In actual use, the elastic force of the second spring 37 is much greater than the elastic force of the first spring 25, so when the contact blade 26 slides out of the crack, interference occurs to the contact blade 26, and an upward thrust is also generated on the contact blade 26, so that the reciprocating rod 21 slides upward and resets;

[0043] When the contact blade 26 slides normally on the road surface, the first spring 25 is in a compressed state, the force of the second spring 37 on the adjustment block 35 is in an initial lifting state, and the first traction rope 33 pulls the hexagonal slide bar 31 upward under the elastic lifting force of the second spring 37, thereby driving the second traction rope 39 to pull the contact blade 26 to flip toward the side of the baffle 40, so that one side of the contact blade 26 and one side of the baffle 40 fit each other. At this time, the feed hole 38 is opposite to the through hole 36, and both are located above the feed pipe 12;

[0044] When the contact blade 26 extends into the crack, the first spring 25 is in the pop-up state, the force of the second spring 37 on the adjustment block 35 is still in the initial lifting state, and the first traction rope 33 pulls the hexagonal slide bar 31 upward under the elastic lifting force of the second spring 37, thereby driving the second traction rope 39 to pull the contact blade 26 to flip toward the side of the baffle 40, so that one side of the contact blade 26 and one side of the baffle 40 are in contact with each other. At this time, the feed hole 38 is opposite to the through hole 36 and is connected to the feed pipe 12, so that the feed pipe 12 is turned on;

[0045] When the contact blade 26 slides out from one end of the crack, due to the interference between one end of the crack and one side of the contact blade 26 during the sliding process, the contact blade 26 is pushed in the opposite direction of the baffle 40. In the process of pushing the contact blade 26 in the opposite direction of the baffle 40, due to the rotation of the contact blade 26 to one side, the second traction rope 39 is pulled downward, thereby driving the hexagonal slide bar 31 to slide downward. In the process of the hexagonal slide bar 31 sliding downward, the first traction rope 33 is pulled downward to make the adjustment block 35 slide toward the inner bottom surface of the adjustment cavity 34. At this time, the first spring 25 is still in the pop-up state and the second spring 37 is in the compressed state. At this time, the feed hole 38 and the through hole 36 are misaligned with each other to cut off the feed pipe 12. When the contact blade 26 slides out from one end of the crack, due to the contact blade The bottom of one side of the plate 26 is in an arc shape. The contact between the arc surface and the crack will generate an upward lifting force. Under the action of the lifting force, the reciprocating rod 21 will be lifted upward. At this time, the first spring 25 is in a compressed state. After the reciprocating rod 21 is lifted upward, the contact knife plate 26 can slide out from the inside of the crack. After sliding out, the interference force on one side of the contact knife plate 26 disappears. At this time, the elastic force of the second spring 37 drives the adjustment block 35 to reset. When the adjustment block 35 slides upward, it will pull the first traction rope 33 upward, thereby pulling the hexagonal slide rod 31 upward, and then drive the second traction rope 39 to pull the contact knife plate 26 to flip and reset to the side of the baffle 40, so that one side of the contact knife plate 26 and one side of the baffle 40 are in contact with each other. At this time, the feed hole 38 is opposite to the through hole 36, and both are located above the feeding pipe 12.

[0046] Working principle: When using the device, by setting a contact blade 26 at the bottom of the reciprocating rod 21, the bottom of the contact blade 26 can contact the road surface, so as to detect whether there are cracks on the road surface. When there are no cracks on the road surface, the bottom of the contact blade 26 will slide on the road surface, and the reciprocating rod 21 will not slide downward. The air supply pipe 13 is connected through the air cavity 22, so that high-pressure air can be transported to the inside of the jet pipe 9 to remove dust on the road surface in front of the chassis 1. When cracks appear on the road surface, the bottom of the contact blade 26 extends into the crack, thereby driving the reciprocating rod 21 to slide downward. In the process of the reciprocating rod 21 sliding downward, the air cavity 22 and the air supply pipe 13 are misaligned with each other, thereby cutting off the air supply pipe 13, and when the reciprocating rod 21 slides downward When it moves, the copper contact 24 will be engaged with the inside of the electrical connection groove 20, causing the corresponding indicator light 16 to flash to warn people. At the same time, when the reciprocating rod 21 slides downward, the feed hole 38 will be opposite to the feeding tube 12, so that the filling material can be filled into the crack through the discharge tube 11. When the contact blade 26 slides to the end of the crack, it will interfere with the side where the contact blade 26 and the baffle 40 are in contact with each other. At this time, the contact blade 26 will be pushed away from the baffle 40 to cause the contact blade 26 and the reciprocating rod 21 to rotate. During the rotation, the second traction rope 39 will be pulled downward, and then the first traction rope 33 will be pulled downward to make the adjustment block 35 slide below the adjustment cavity 34, so that the through hole 36 and the feed hole 38 are offset relative to each other, so that the supply of filling material can be cut off.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A road crack detection device, characterized in that: The invention comprises a chassis (1), a universal wheel (4), an air compressor (5), two pump bodies (6), a hose (8) and two valve islands (10), wherein a container block (7) is fixed on the top of the chassis (1), a trapezoidal groove (17) penetrating to the bottom of the container block (7) is provided on the bottom of the chassis (1), a transmission cavity (14) is provided inside the container block (7), a plurality of adjustment holes (18) are provided on the top surface of the transmission cavity (14) at equal intervals, and a sensing component for detecting road cracks is provided inside each of the plurality of adjustment holes (18); The universal wheel (4) is mounted on the bottom of the chassis (1) at four corners. A push handle (2) is fixed to the top of the chassis (1) near the other side edge. A storage cylinder (3) is arranged on the top of the chassis (1). The air compressor (5) is fixed to the top of the chassis (1). The two pump bodies (6) are fixed to the top of the chassis (1). One of the pump bodies (6) is interconnected with the storage cylinder (3), and the other pump body (6) is interconnected with the air compressor (5). The two valve islands (10) are fixed to the top of the chassis (1). The two valve islands (10) are connected to the two pump bodies (6) respectively. The sensing component includes a reciprocating rod (21). The reciprocating rod (21) is slidably arranged between the inner walls of the adjustment hole (18). The outer surface of the reciprocating rod (21) is provided with an alarm group. The reciprocating rod (21) is provided with a feedback component inside, the bottom of the reciprocating rod (21) slides through the bottom of the assembly block (7) and extends into the trapezoidal groove (17), the top of the reciprocating rod (21) is fixed with a hexagonal marking rod (15), the top of the hexagonal marking rod (15) slides through the top of the assembly block (7), the bottom of the reciprocating rod (21) is provided with a bottom groove (27) penetrating to the outer surfaces on both sides, the inner walls on both sides of the bottom groove (27) are rotatably connected with a contact blade (26), the inner top surface of the bottom groove (27) is fixed with a baffle (40) near the edge of the outer surface of one side of the reciprocating rod (21), one side of the baffle (40) is in contact with one side of the contact blade (26), and the bottom of the contact blade (26) is in an arc shape near one side edge; A plurality of feed pipes (12) are fixed at equal distances on one side of the assembly block (7) and extend to the other side. The plurality of feed pipes (12) are mutually connected to the regulating holes (18). A plurality of air supply pipes (13) are fixed at equal distances on one side of the assembly block (7) and extend to the other side. The plurality of air supply pipes (13) are mutually connected to the regulating holes (18). The plurality of air supply pipes (13) are located below the feed pipes (12). A plurality of discharge ports are fixed at equal distances on the top of the chassis (1) and located on one side of the assembly block (7). Tube (11), one end of each of the plurality of discharge tubes (11) correspondingly extends to the inner wall of one side of the trapezoidal groove (17), one end of each of the plurality of discharge tubes (11) and one end of each of the plurality of feed tubes (12) are connected via a hose (8), a plurality of injection tubes (9) are equidistantly fixed at the top of the chassis (1) near the edge of the other side, one end of each of the plurality of injection tubes (9) extends obliquely toward the front side of the chassis (1), and one end of each of the plurality of air supply tubes (13) and one end of each of the injection tubes (9) are connected via a hose (8); The feedback assembly comprises an adjusting block (35), an adjusting cavity (34) is provided inside the reciprocating rod (21) near the top edge, the adjusting block (35) is slidably connected between the inner walls of the adjusting cavity (34), a second spring (37) is fixed at the bottom of the adjusting block (35), the bottom of the second spring (37) is fixed to the inner bottom surface of the adjusting cavity (34), a feed hole (38) is provided on the outer surface of one side of the reciprocating rod (21) and extends to the other side, the feed hole (38) and the adjusting cavity (34) are communicated with each other, a through hole (36) is provided on one side of the adjusting block (35) and extends to the other side, the through hole (36) is opposite to the feed hole (38), the feed pipes (12) located on both sides of the adjusting hole (18) are communicated with each other through the feed hole (38) and the through hole (36), a lower transition cavity (29) is provided inside the reciprocating rod (21) near the bottom edge, the interior of the reciprocating rod (21) is located at the lower transition cavity (29), and the interior of the reciprocating rod (21) is located at the lower transition cavity (29). An upper transition chamber (28) is provided above the transition chamber (29); a hexagonal hole (30) is provided on the inner bottom surface of the upper transition chamber (28) and penetrates into the lower transition chamber (29); a hexagonal slide bar (31) is slidably connected to the inside of the hexagonal hole (30); two through holes (32) are provided on the inner bottom surface of the adjustment chamber (34) and penetrate into the upper transition chamber (28); a first traction rope (33) is provided inside the two through holes (32); the tops of the two first traction ropes (33) are fixed to the bottom of the adjustment block (35); the bottoms of the two first traction ropes (33) are fixed to the top of the hexagonal slide bar (31); a second traction rope (39) is fixed to the bottom of the hexagonal slide bar (31); the bottom of the second traction rope (39) slides and penetrates into the inside of the bottom groove (27); the bottom of the second traction rope (39) is fixed to the top of the contact blade (26) near the edge of one side of the baffle (40); An air cavity (22) is provided inside the reciprocating rod (21), and both sides of the air cavity (22) extend to the outside of the reciprocating rod (21). The air supply pipes (13) located on both sides of the regulating hole (18) are connected to each other through the air cavity (22).

2. A road crack detection device according to claim 1, characterized in that: The alarm assembly comprises a fixing ring (23), wherein the fixing ring (23) is fixed on the outer surface of the reciprocating rod (21), copper contacts (24) are fixed on the bottom of the fixing ring (23) near the edges on both sides, and a first spring (25) is fixed on the top of the fixing ring (23), wherein the first spring (25) is fixed on the inner top surface of the transmission chamber (14).

3. A road crack detection device according to claim 2, characterized in that: An insulating ring (19) is fixed to the inner bottom surface of the transmission cavity (14), and electrical connection grooves (20) are provided on the top of the insulating ring (19) near both sides, and the two electrical connection grooves (20) are respectively located directly below the two copper contacts (24), and a plurality of indicator lights (16) are fixed to one side of the assembly block (7), and the plurality of indicator lights (16) are respectively located above the feeding pipe (12).

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