Working platform for detecting pavement diseases and underground disease bodies

Abstract

The invention discloses a working platform for detecting pavement diseases and underground disease bodies, and relates to the technical field of pavement disease and underground disease body detection.The working platform for detecting the pavement diseases and the underground disease bodies comprises a working vehicle, a working chamber is formed in the working vehicle, and the working platform for detecting the pavement diseases and the underground disease bodies is provided with a push rod, a connecting groove and a detection vehicle; when a working vehicle cannot enter a narrow road section or an obstacle exists on the road surface, the detection vehicle can be controlled by the automatic controller to automatically move and enter a certain road section for detection, after detection is completed, the detection vehicle automatically moves to the inner side of a connecting groove, and then the telescopic end of a first electric telescopic rod pushes one end of a clamping block to move; when the detection vehicle is used, one end of the clamping block is inserted into the clamping groove to fix the detection vehicle, so that the detection vehicle continues to be dragged behind the working vehicle, road surface and underground diseases are detected through the detection vehicle along with running of the working vehicle, and a proper using method can be selected for use according to needs.

Description

Technical Field

[0001] The invention relates to the technical field of road surface disease and underground disease body detection, and in particular to a working platform for road surface disease and underground disease body detection. Background Art

[0002] Road underground disease bodies generally include cavities, voids, looseness and water-rich types. In order to ensure the safe and stable operation of urban infrastructure and eliminate the potential safety hazards of urban underground cavities, geological exploration is necessary. As an emerging and popular technology in the field of detection, geological radar technology is widely used in the detection of underground diseases on urban roads with its characteristics of non-destructive, rapid and accurate detection, and plays an important role in preventing road collapse accidents. In the existing detection process, the radar antenna is set in the antenna box, the antenna box is close to the ground, and the antenna box is fixed on the inspection vehicle for detection as the vehicle moves. However, when encountering a narrow section that the work vehicle cannot enter or there are obstacles on the road surface, it is impossible to enter the section for detection. Summary of the invention

[0003] In view of the deficiencies of the prior art, the present invention provides a working platform for detecting road surface defects and underground defect bodies, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a work platform for detecting road defects and underground defect bodies, including a work vehicle, a work studio is provided inside the work vehicle, a first storage cavity is provided inside the work vehicle and on one side of the work studio, a first servo motor is fixedly connected to one side of the inner cavity of the first storage cavity, a first screw rod is rotatably connected to the other side of the inner cavity of the first storage cavity, an output end of the first servo motor is fixedly connected to one end of the first screw rod, a first moving block is threadedly connected to the outer side of the first screw rod, a bottom end of the first moving block extends to the bottom of the first storage cavity and is fixedly connected to a moving plate, a second screw rod is rotatably connected to the top of the inner cavity of the moving plate, a fixed plate is threadedly connected to the outer side of the second screw rod, one end of the fixed plate extends to the outside of the moving plate, and the fixed plate The bottom of the telescopic cylinder is fixedly connected to the telescopic cylinder, a moving cavity is opened inside the telescopic cylinder, the top of the inner cavity of the moving cavity is fixedly connected to a first spring, the bottom end of the first spring is fixedly connected to a second moving block, the bottom of the second moving block is fixedly connected to a push rod, a second spring is arranged inside the moving cavity and on the outside of the push rod, the top of the second spring is connected to the bottom of the second moving block, the bottom end of the second spring is fixedly connected to the bottom of the inner cavity of the moving cavity, the bottom end of the push rod extends to the bottom of the telescopic cylinder and is fixedly connected to a connecting groove, both sides of the connecting groove are fixedly connected to the first electric telescopic rod, one end of the first electric telescopic rod is inserted into the connecting groove and fixedly connected to a card block, an inspection vehicle is placed inside the connecting groove, card slots are opened on both sides of the inspection vehicle, and one end of the card block extends into the card slot.

[0005] Optionally, an automatic controller is fixedly connected to the top of the inspection vehicle, and a radar antenna module is installed inside the inspection vehicle.

[0006] Optionally, a second servo motor is fixedly connected to the bottom of the inner cavity of the movable plate, and an output end of the second servo motor is fixedly connected to the bottom end of the second screw rod.

[0007] Optionally, a connecting groove is provided inside the work vehicle and below the first storage cavity, a fifth servo motor is fixedly connected to one side of the inner cavity of the connecting groove, a fourth screw rod is rotatably connected to the other side of the inner cavity of the connecting groove, an output end of the fifth servo motor is fixedly connected to one end of the fourth screw rod, a connecting block is threadedly connected to the outer side of the fourth screw rod, one end of the connecting block is fixedly connected to a driving plate, a second electric telescopic rod is fixedly connected to the bottom of the inner cavity of the driving plate, a fourth moving block is fixedly connected to the telescopic end of the second electric telescopic rod, one end of the fourth moving block extends to the outside of the driving plate and is fixedly connected to the first support plate.

[0008] Optionally, a storage groove is defined in the inner cavity of the first support plate, a rotating rod is rotatably connected to the inner cavity of the storage groove, a second support plate is fixedly sleeved on the outer side of the rotating rod, a storage groove is defined inside the first support plate and above the storage groove, a third electric telescopic rod is fixedly connected to the top of the inner cavity of the storage groove, a column is fixedly connected to the telescopic end of the third electric telescopic rod, a column groove is defined on one side of the second support plate, and one end of the column extends into the interior of the storage groove.

[0009] Optionally, a sixth servo motor is fixedly connected to one side of the first support plate, and an output end of the sixth servo motor is fixedly connected to one end of the rotating rod.

[0010] Optionally, a second storage cavity is opened inside the first support plate and on both sides of the storage slot, and a fourth electric telescopic rod is fixedly connected to one side of the inner cavity of the second storage cavity, and the telescopic end of the fourth electric telescopic rod extends into the storage slot and is fixedly connected to a limit clamp.

[0011] Optionally, sliding grooves are opened inside the telescopic cylinder and on both sides of the movable cavity, and a movable groove is opened inside the telescopic cylinder and on one side of the sliding groove, the bottom of the inner cavity of the movable groove is fixedly connected to a third servo motor, the top of the inner cavity of the movable groove is rotatably connected to a third screw rod, the output end of the third servo motor is fixedly connected to the bottom end of the third screw rod, the outer side of the third screw rod is threadedly connected to a third movable block, one end of the third movable block extends into the interior of the sliding groove, and both ends of the second movable block extend into the corresponding sliding grooves.

[0012] The present invention provides a working platform for detecting road surface defects and underground defect bodies, which has the following beneficial effects:

[0013] 1. The working platform for detecting road surface diseases and underground disease bodies is provided with a push rod, a connecting groove and a detection vehicle. The staff sits inside the studio and then drags the detection vehicle behind the working vehicle. As the working vehicle travels, the road surface and underground diseases are detected by the detection vehicle. When encountering a narrow road section that the working vehicle cannot enter or there is an obstacle on the road surface, the telescopic end of the first electric telescopic rod drives the card block to move, so that the card block is collected into the connecting groove, so that the card block is separated from the card groove. The detection vehicle can be controlled by an automatic controller to move by itself and enter a certain road section for detection. After the detection is completed, the detection vehicle automatically moves to the inner side of the connecting groove, and then the telescopic end of the first electric telescopic rod pushes one end of the card block to move, so that one end of the card block is inserted into the card groove, and the detection vehicle is fixed, so that the detection vehicle continues to be dragged behind the working vehicle. As the working vehicle travels, the road surface and underground diseases are detected by the detection vehicle. According to needs, a suitable method of use can be selected for use.

[0014] 2. The working platform for detecting road surface diseases and underground disease bodies is provided with a first storage cavity, a movable plate and a detection vehicle. When the detection vehicle is not needed, the output end of the third servo motor drives the third screw to rotate, so that the third screw drives the third movable block to move, so that the third movable block pushes the second movable block to move upward, so that the second movable block drives the push rod and the detection vehicle to move to a specified height, and then the output end of the fifth servo motor drives the fourth screw to rotate, so that the fourth screw drives the connecting block to drive the driving plate and the first support plate to move toward the outside direction of the working vehicle, and then the telescopic end of the second electric telescopic rod pushes the fourth movable block and the first support plate to move upward, so that the top of the first support plate and the bottom of the inner cavity of the first storage cavity are on the same horizontal line, and then the output end of the sixth servo motor drives the rotating rod and the second support plate to rotate, so that the bottom of the second support plate contacts the ground, and then the telescopic end of the third electric telescopic rod pushes one end of the plug column to be inserted into the column slot, thereby fixing the position of the second support plate, and then the movable wheel on the detection vehicle contacts the surface of the first support plate, so as to facilitate the storage of the detection vehicle into the first storage cavity, or the movement of the detection vehicle out of the first storage cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0016] Figure 2 This is a schematic diagram of the side view structure of the detection vehicle of the present invention;

[0017] Figure 3 This is a schematic diagram of the internal structure of the first support plate of the present invention from a side view;

[0018] Figure 4 This is a schematic diagram of the outer structure of the first support plate of the present invention;

[0019] Figure 5 For the present invention Figure 1 A magnified image of point A;

[0020] Figure 6 For the present invention Figure 1 A magnified view of point B;

[0021] Figure 7 For the present invention Figure 1 Enlarged view of point C.

[0022] In the figure: 1, working vehicle; 2, working room; 3, first storage cavity; 4, moving plate; 5, first servo motor; 6, first screw rod; 7, first moving block; 8, second screw rod; 9, fixing plate; 10, second servo motor; 11, telescopic cylinder; 12, moving cavity; 13, first spring; 14, second moving block; 15, push rod; 16, second spring; 17, third servo motor; 18, moving slot; 19, third moving block; 20, third screw rod; 21, slide slot; 22, automatic controller; 23, inspection vehicle; 24 , the first electric telescopic rod; 25, the card block; 26, the card slot; 27, the first support plate; 28, the fourth screw rod; 29, the fifth servo motor; 30, the connecting block; 31, the driving plate; 32, the second electric telescopic rod; 33, the fourth moving block; 34, the second support plate; 35, the storage slot; 36, the third electric telescopic rod; 37, the plug column; 38, the column slot; 39, the rotating rod; 40, the sixth servo motor; 41, the second storage cavity; 42, the fourth electric telescopic rod; 43, the limit clamp; 44, the storage slot; 45, the connecting slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Embodiment 1

[0025] See also Figures 1 to 7The present invention provides a technical solution: a working platform for detecting road surface diseases and underground disease bodies, comprising a working vehicle 1, a working room 2 is provided inside the working vehicle 1, a first storage chamber 3 is provided inside the working vehicle 1 and on one side of the working room 2, a first servo motor 5 is fixedly connected to one side of the inner cavity of the first storage chamber 3, a first screw rod 6 is rotatably connected to the other side of the inner cavity of the first storage chamber 3, an output end of the first servo motor 5 is fixedly connected to one end of the first screw rod 6, a first moving block 7 is threadedly connected to the outer side of the first screw rod 6, the bottom end of the first moving block 7 extends to the bottom of the first storage chamber 3 and is fixedly connected to a moving plate 4, a second screw rod 8 is rotatably connected to the top of the inner cavity of the moving plate 4, a fixed plate 9 is threadedly connected to the outer side of the second screw rod 8, one end of the fixed plate 9 extends to the outside of the moving plate 4, a telescopic cylinder 11 is fixedly connected to the bottom of the fixed plate 9, and the inside of the telescopic cylinder 11 A moving chamber 12 is provided, and a first spring 13 is fixedly connected to the top of the inner cavity of the moving chamber 12, and a second moving block 14 is fixedly connected to the bottom end of the first spring 13, and a push rod 15 is fixedly connected to the bottom of the second moving block 14. A second spring 16 is provided inside the moving chamber 12 and on the outside of the push rod 15, and the top of the second spring 16 is connected to the bottom of the second moving block 14, and the bottom end of the second spring 16 is fixedly connected to the bottom of the inner cavity of the moving chamber 12. The bottom end of the push rod 15 extends to the bottom of the telescopic cylinder 11 and is fixedly connected to a connecting groove 45, and both sides of the connecting groove 45 are fixedly connected to the first electric telescopic rod 24, one end of the first electric telescopic rod 24 is inserted into the interior of the connecting groove 45 and is fixedly connected to a clamping block 25, and an inspection vehicle 23 is placed inside the connecting groove 45, and clamping grooves 26 are provided on both sides of the inspection vehicle 23, and one end of the clamping block 25 extends to the interior of the clamping groove 26.

[0026] The top of the inspection vehicle 23 is fixedly connected with an automatic controller 22, and a radar antenna module is installed inside the inspection vehicle 23, through which ground pavement defects and underground defect bodies can be detected.

[0027] Among them, a second servo motor 10 is fixedly connected to the bottom of the inner cavity of the movable plate 4, and the output end of the second servo motor 10 is fixedly connected to the bottom end of the second screw rod 8, so that the output end of the second servo motor 10 can drive the second screw rod 8 to rotate, thereby driving the fixed plate 9 and the automatic controller 22 and the inspection vehicle 23 to move through the second screw rod 8.

[0028] Among them, a connecting groove 45 is opened inside the working vehicle 1 and below the first storage cavity 3, a fifth servo motor 29 is fixedly connected to one side of the inner cavity of the connecting groove 45, and a fourth screw rod 28 is rotatably connected to the other side of the inner cavity of the connecting groove 45, the output end of the fifth servo motor 29 is fixedly connected to one end of the fourth screw rod 28, the outer side of the fourth screw rod 28 is threadedly connected to a connecting block 30, one end of the connecting block 30 is fixedly connected to a driving plate 31, a second electric telescopic rod 32 is fixedly connected to the bottom of the inner cavity of the driving plate 31, the telescopic end of the second electric telescopic rod 32 is fixedly connected to a fourth moving block 33, one end of the fourth moving block 33 extends to the outside of the driving plate 31 and is fixedly connected to the first support plate 27, through the first support plate 27, the inspection vehicle 23 can be supported when it is moved.

[0029] Among them, a storage groove 44 is opened in the inner cavity of the first support plate 27, and a rotating rod 39 is rotatably connected to the inner cavity of the storage groove 44, and a second support plate 34 is fixedly sleeved on the outer side of the rotating rod 39. A storage groove 35 is opened inside the first support plate 27 and located above the storage groove 44. A third electric telescopic rod 36 is fixedly connected to the top of the inner cavity of the storage groove 35, and a plug column 37 is fixedly connected to the telescopic end of the third electric telescopic rod 36. A column groove 38 is opened on one side of the second support plate 34, and one end of the plug column 37 extends to the inside of the storage groove 44, so that the second support plate 34 can be stored through the storage groove 44.

[0030] Among them, a sixth servo motor 40 is fixedly connected to one side of the first support plate 27, and the output end of the sixth servo motor 40 is fixedly connected to one end of the rotating rod 39. The output end of the sixth servo motor 40 can drive the rotating rod 39 to rotate, so that the rotating rod 39 drives the second support plate 34 to rotate.

[0031] Among them, a second storage cavity 41 is opened inside the first support plate 27 and on both sides of the storage groove 44, and a fourth electric telescopic rod 42 is fixedly connected to one side of the inner cavity of the second storage cavity 41. The telescopic end of the fourth electric telescopic rod 42 extends to the inside of the storage groove 44 and is fixedly connected with a limit clamp 43. The position of the second support plate 34 can be limited by the limit clamp 43.

[0032] Embodiment 2

[0033] See also Figure 1 and Figure 7The present invention provides a technical solution: a slide groove 21 is opened inside the telescopic cylinder 11 and on both sides of the moving cavity 12, a moving groove 18 is opened inside the telescopic cylinder 11 and on one side of the slide groove 21, the bottom of the inner cavity of the moving groove 18 is fixedly connected with a third servo motor 17, the top of the inner cavity of the moving groove 18 is rotatably connected with a third screw rod 20, the output end of the third servo motor 17 is fixedly connected to the bottom end of the third screw rod 20, the outer side of the third screw rod 20 is threadedly connected with a third moving block 19, one end of the third moving block 19 extends into the inside of the slide groove 21, and both ends of the second moving block 14 extend into the corresponding slide groove 21.

[0034] In summary, when the working platform for detecting road defects and underground defect bodies is used, the staff sits in the studio 2, and then drags the detection vehicle 23 behind the working vehicle 1. As the working vehicle 1 travels, the road surface and underground defects are detected by the detection vehicle 23. When encountering a narrow road section that the working vehicle 1 cannot enter or an obstacle on the road surface, the telescopic end of the first electric telescopic rod 24 drives the block 25 to move, so that the block 25 is retracted into the connecting groove 45, so that the block 25 is separated from the slot 26. The detection vehicle 23 can be controlled by the automatic controller 22 to move by itself and enter a certain road section for detection. After the detection is completed, the detection vehicle 23 automatically moves to the inner side of the connecting groove 45, and then the telescopic end of the first electric telescopic rod 24 pushes One end of the movable card block 25 moves, so that one end of the card block 25 is inserted into the card slot 26 to fix the detection vehicle 23, so that the detection vehicle 23 continues to be dragged behind the working vehicle 1. As the working vehicle 1 travels, the road surface and underground diseases are detected by the detection vehicle 23. When the detection vehicle 23 is dragged and moved behind the working vehicle 1, it encounters a bumpy road section, so that the push rod 15 can squeeze the first spring 13 and the second spring 16 to shake up and down to prevent the radar antenna module at the bottom of the detection vehicle 23 from hitting the ground. When the detection vehicle 23 is not needed, the output end of the third servo motor 17 drives the third screw rod 20 to rotate, so that the third screw rod 20 drives the third moving block 19 to move, so that the third moving block 19 pushes the second moving block 14 to move up. The second moving block 14 drives the push rod 15 and the inspection vehicle 23 to move up to a specified height, and then the output end of the fifth servo motor 29 drives the fourth screw rod 28 to rotate, so that the fourth screw rod 28 drives the connecting block 30 to drive the driving plate 31 and the first support plate 27 to move toward the outside direction of the working vehicle 1, and then the telescopic end of the second electric telescopic rod 32 pushes the fourth moving block 33 and the first support plate 27 to move up, so that the top of the first support plate 27 and the bottom of the inner cavity of the first storage chamber 3 are on the same horizontal line, and then the output end of the sixth servo motor 40 drives the rotating rod 39 and the second support plate 34 to rotate, so that the bottom of the second support plate 34 contacts the ground, and then the telescopic end of the third electric telescopic rod 36 pushes one end of the plug column 37 to be inserted into the column slot 38, thereby The position of the second support plate 34 is fixed, and then the moving wheel on the detection vehicle 23 contacts the surface of the first support plate 27, and then the output end of the first servo motor 5 drives the first screw 6 to rotate, so that the moving plate 4 drives the fixed plate 9 and the detection vehicle 23 to enter the first storage chamber 3, and then the telescopic end of the third electric telescopic rod 36 drives the plug column 37 to move into the storage slot 35, so that one end of the plug column 37 moves out of the column slot 38, and then the output end of the sixth servo motor 40 drives the rotating rod 39 and the second support plate 34 to rotate, so that the second support plate 34 rotates to the inside of the storage slot 44, and then the telescopic end of the fourth electric telescopic rod 42 pushes the limit clamp 43 to move, so that the two limit clamps 43 contact the outer side of the second support plate 34.The position of the second support plate 34 is limited, and then the output end of the fifth servo motor 29 drives the fourth screw rod 28 to reset and rotate, so that the fourth screw rod 28 drives the connecting block 30, the driving plate 31 and the first support plate 27 to move into the connecting groove 45.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A working platform for detecting road surface defects and underground defect bodies, comprising a working vehicle (1), characterized in that: The working vehicle (1) is provided with a working room (2) inside, and a first storage chamber (3) is provided inside the working vehicle (1) and on one side of the working room (2), one side of the inner cavity of the first storage chamber (3) is fixedly connected to a first servo motor (5), and the other side of the inner cavity of the first storage chamber (3) is rotatably connected to a first screw rod (6), an output end of the first servo motor (5) is fixedly connected to one end of the first screw rod (6), and the outer side of the first screw rod (6) is threadedly connected to a first moving block (7), The bottom end of the first moving block (7) extends to the bottom of the first storage cavity (3) and is fixedly connected to the moving plate (4); the top of the inner cavity of the moving plate (4) is rotatably connected to the second screw rod (8); the outer side of the second screw rod (8) is threadedly connected to the fixed plate (9); one end of the fixed plate (9) extends to the outer side of the moving plate (4); the bottom of the fixed plate (9) is fixedly connected to a telescopic cylinder (11); a moving cavity (12) is provided inside the telescopic cylinder (11); the top of the inner cavity of the moving cavity (12) is The first spring (13) is fixedly connected to the bottom of the movable cavity (12), the bottom end of the first spring (13) is fixedly connected to the second movable block (14), the bottom of the second movable block (14) is fixedly connected to the push rod (15), a second spring (16) is arranged inside the movable cavity (12) and outside the push rod (15), the top end of the second spring (16) is connected to the bottom of the second movable block (14), the bottom end of the second spring (16) is fixedly connected to the bottom of the inner cavity of the movable cavity (12), and the push rod (15) is fixedly connected to the bottom of the inner cavity of the movable cavity (12). ) extends to the bottom of the telescopic cylinder (11) and is fixedly connected to a connecting groove (45), both sides of the connecting groove (45) are fixedly connected to a first electric telescopic rod (24), one end of the first electric telescopic rod (24) is inserted into the interior of the connecting groove (45) and is fixedly connected to a clamping block (25), an inspection vehicle (23) is placed inside the connecting groove (45), both sides of the inspection vehicle (23) are provided with clamping grooves (26), and one end of the clamping block (25) extends into the interior of the clamping groove (26).

2. A working platform for detecting road surface defects and underground defect bodies according to claim 1, characterized in that: The top of the detection vehicle (23) is fixedly connected to an automatic controller (22), and a radar antenna module is installed inside the detection vehicle (23).

3. A working platform for detecting road surface defects and underground defect bodies according to claim 1, characterized in that: A second servo motor (10) is fixedly connected to the bottom of the inner cavity of the movable plate (4), and an output end of the second servo motor (10) is fixedly connected to the bottom end of the second screw rod (8).

4. A working platform for detecting road surface defects and underground defect bodies according to claim 1, characterized in that: A connecting groove (45) is provided inside the working vehicle (1) and below the first storage cavity (3); a fifth servo motor (29) is fixedly connected to one side of the inner cavity of the connecting groove (45); a fourth screw rod (28) is rotatably connected to the other side of the inner cavity of the connecting groove (45); an output end of the fifth servo motor (29) is fixedly connected to one end of the fourth screw rod (28); a connecting block (30) is threadedly connected to the outer side of the fourth screw rod (28); one end of the connecting block (30) is fixedly connected to a driving plate (31); a second electric telescopic rod (32) is fixedly connected to the bottom of the inner cavity of the driving plate (31); a fourth moving block (33) is fixedly connected to the telescopic end of the second electric telescopic rod (32); one end of the fourth moving block (33) extends to the outer side of the driving plate (31) and is fixedly connected to the first supporting plate (27).

5. A working platform for detecting road surface defects and underground defect bodies according to claim 4, characterized in that: The first support plate (27) has an inner cavity provided with a storage groove (44), the inner cavity of the storage groove (44) is rotatably connected with a rotating rod (39), the outer side of the rotating rod (39) is fixedly sleeved with a second support plate (34), the first support plate (27) has an inner cavity provided with a storage groove (35) located above the storage groove (44), the top of the inner cavity of the storage groove (35) is fixedly connected with a third electric telescopic rod (36), the telescopic end of the third electric telescopic rod (36) is fixedly connected with a plug column (37), a column groove (38) is provided on one side of the second support plate (34), and one end of the plug column (37) extends into the inner cavity of the storage groove (44).

6. A working platform for detecting road surface defects and underground defect bodies according to claim 4, characterized in that: A sixth servo motor (40) is fixedly connected to one side of the first support plate (27), and an output end of the sixth servo motor (40) is fixedly connected to one end of a rotating rod (39).

7. A working platform for detecting road surface defects and underground defect bodies according to claim 4, characterized in that: A second storage cavity (41) is provided inside the first support plate (27) and on both sides of the storage groove (44); a fourth electric telescopic rod (42) is fixedly connected to one side of the inner cavity of the second storage cavity (41); and the telescopic ends of the fourth electric telescopic rod (42) extend into the storage groove (44) and are fixedly connected to a limit clamp (43).

8. A working platform for detecting road surface defects and underground defect bodies according to claim 1, characterized in that: A slide groove (21) is provided inside the telescopic cylinder (11) and on both sides of the movable cavity (12); a movable groove (18) is provided inside the telescopic cylinder (11) and on one side of the slide groove (21); a third servo motor (17) is fixedly connected to the bottom of the inner cavity of the movable groove (18); a third screw rod (20) is rotatably connected to the top of the inner cavity of the movable groove (18); an output end of the third servo motor (17) is fixedly connected to the bottom end of the third screw rod (20); a third movable block (19) is threadedly connected to the outer side of the third screw rod (20); one end of the third movable block (19) extends into the inner cavity of the slide groove (21); and both ends of the second movable block (14) extend into the corresponding inner cavity of the slide groove (21).

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