An adjustable municipal engineering road construction device

Abstract

The application discloses an adjustable road surface construction device for municipal engineering and relates to the technical field of road surface construction devices. The device comprises a base, supports arranged around the base, a driving motor fixedly installed at the upper end of the base, a control machine box arranged on the side of the driving motor, a water tank fixedly connected to the lower end of the base, a linkage shaft arranged in the middle of the water tank, a cleaning disc fixedly connected to the bottom of the linkage shaft, water leakage holes and a brush arranged on the lower surface of the cleaning disc, a protective cover arranged outside the cleaning disc, an extension rod fixedly connected to the top of the protective cover, and a water suction pump machine fixedly installed on the side of the protective cover. The locking disc and the protective cover are combined to form a locking structure, the extension rod is used for lifting, the supports are used for sliding, the lifting and lowering actions are formed, the lifting action of the well lid is realized, and the consumption of manpower during the installation of the well lid is reduced.

Description

Technical Field

[0001] This invention relates to the field of road construction equipment technology, specifically an adjustable road construction equipment for municipal engineering. Background Technology

[0002] With the development of civilized cities, the maintenance and inspection of urban roads play an important role in urban construction. Only by strictly controlling the quality of road construction can we eliminate the defects in the roads. We also need to inspect and maintain the roads and related facilities in a timely manner, strengthen the overall control of roads, and improve the level of road construction, so as to make the city more beautiful.

[0003] In the existing technology, manholes are a basic infrastructure in the city, and manhole openings are usually set on the road surface. During the construction of these manholes, structures such as manhole seats and manhole covers need to be installed. These structures are usually made of materials such as metal and reinforced concrete, which are heavy and require a lot of labor for construction. At the same time, during road construction, asphalt, sand and gravel and other impurities can easily flow and splash onto the manhole openings, requiring equipment for cleaning. Summary of the Invention

[0004] This invention provides an adjustable road construction device for municipal engineering to solve the problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an adjustable road construction device for municipal engineering, comprising a base, wherein supports are provided around the base;

[0006] A drive motor is fixedly installed at the upper end of the base, and a control box is provided on the side of the drive motor. A water tank is fixedly connected to the lower end of the base. A linkage shaft is provided in the middle of the water tank. A cleaning disc is fixedly connected to the bottom of the linkage shaft. A drain hole and a brush are provided on the lower surface of the cleaning disc. A protective cover is provided on the outside of the cleaning disc. A telescopic rod is fixedly connected to the top of the protective cover. A water pump is fixedly installed on the side of the protective cover. A locking disc is rotatably connected to the bottom of the protective cover.

[0007] The side of the bracket is bolted to a handrail. The side of the bracket is provided with a sliding groove. The bracket is slidably connected to a connecting rod through the sliding groove. The bottom of the connecting rod is fixedly connected to a seat ring. The inner wall of the seat ring is provided with a positioning groove. The bottom of the bracket is slidably connected to a support rod. The bottom of the support rod is provided with a roller.

[0008] Furthermore, the support includes four brackets, which are connected in pairs by bolts to a connecting beam, and two of the connecting beams are bolted to both sides of the base.

[0009] Furthermore, the interior of the water tank is divided into two cavities by a partition, and each cavity has a cover plate hinged to its side. The side of the water tank is connected to two external water pipes via connector interfaces, and the two external water pipes are respectively connected to the two cavities. An arc-shaped groove is provided in the middle of the partition, and an inner arc ring is provided on the inner side of the arc-shaped groove. The inner arc ring is rotatably connected to the outside of the linkage shaft. Both the linkage shaft and the inner arc ring have through holes. Mechanical seals are provided at the upper and lower ends of the inner arc ring. The input end of the water pump extends to the bottom of the protective cover.

[0010] Furthermore, the top end of the linkage shaft is fixedly connected to the output end of the drive motor. The linkage shaft is based on a telescopic sleeve. A directional rib is provided between the inner and outer cylinders of the linkage shaft. Positioning bolts and positioning holes are provided on the sides of the inner and outer cylinders of the linkage shaft. When the linkage shaft retracts, the positioning bolts are inserted into the positioning holes. The water leakage holes are evenly spaced on the lower surface of the cleaning disc. The water leakage holes are connected to the linkage shaft. A water pump is fixedly installed inside the linkage shaft. The water leakage holes and the brush are arranged radially and staggered.

[0011] Furthermore, the control chassis is based on a PLC controller. The top of the control chassis is connected to a power supply line and a control line via a connector interface. The control chassis is externally powered via the power supply line and externally connected to a control terminal via the control line. The control terminal includes personal computer devices such as tablet computers and laptops. The telescopic rod is based on an electric cylinder. The control chassis is electrically connected to the drive motor, the water pump, the telescopic rod, and the water pump.

[0012] Furthermore, a connecting ring is fixedly connected to the bottom of the protective cover, and a connecting tenon is fixedly connected to the bottom of the connecting ring. The connecting tenon corresponds one-to-one with the positioning groove. A clamping bolt is slidably connected to the side wall of the connecting ring. The clamping bolts are evenly spaced on the connecting ring, and the front end of the clamping bolt is inclined towards the inside of the connecting ring. A through groove is opened at the tail end of the clamping bolt. A protruding tenon is fixedly connected to the inner wall of the locking disc. The protruding tenon extends into the through groove. A locking bolt that is threadedly connected to the connecting ring is provided on the side of the locking disc.

[0013] Furthermore, four connecting rods are provided, symmetrically connected to the side of the seat ring. The end of the connecting rod connected to the seat ring is inclined downward. The side of the slide groove is provided with a toothed groove, and the side of the connecting rod is provided with a locking bolt. The threaded part of the locking bolt is in close contact with the toothed groove.

[0014] Furthermore, a wheel seat is rotatably connected to the bottom of the support rod, the rollers are symmetrically arranged on both sides of the wheel seat, a positioning bolt is provided on the side of the bracket, and a groove adapted to the positioning bolt is opened on the side of the support rod. When the positioning bolt is opposite to the groove, the seat ring height is higher than the wheel seat.

[0015] Compared with the prior art, the present invention provides an adjustable road construction device for municipal engineering, which has the following beneficial effects:

[0016] 1. This adjustable road construction device for municipal engineering uses a locking disc combined with a protective cover to form a locking structure. It uses the telescopic movement of the telescopic rod to raise and lower the manhole cover, and coordinates with the sliding of the support to form a gripping and lowering action, thereby realizing the movement of the manhole cover and reducing the manpower consumption during the installation of the manhole cover.

[0017] 2. This adjustable road construction device for municipal engineering combines a cleaning disc for road cleaning and a locking disc for fixing manhole covers by setting up a protective cover. This allows the device to be used for both moving manhole covers and cleaning the surface of already installed manhole covers. The seat ring provides dust protection for the manhole covers during road construction, preventing hard-to-clean materials such as asphalt from contaminating the manhole covers, thus maintaining the cleanliness of the manhole covers during road construction. At the same time, the seat ring is a detachable structure, and the road surface can be cleaned using the equipment after removal, facilitating post-construction cleaning work. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of an adjustable road construction device for municipal engineering according to the present invention;

[0019] Figure 2 This is a schematic diagram of the protective cover structure of an adjustable road construction device for municipal engineering according to the present invention.

[0020] Figure 3 This invention relates to an adjustable road construction device for municipal engineering. Figure 1 Enlarged view of part A in the middle;

[0021] Figure 4 This is a cross-sectional view of the water tank of an adjustable road construction device for municipal engineering according to the present invention.

[0022] Figure 5 This is a schematic diagram of the inner arc ring structure of an adjustable road construction device for municipal engineering according to the present invention;

[0023] Figure 6 This is a top view of the cleaning disc of an adjustable road construction device for municipal engineering according to the present invention.

[0024] Figure 7 This is a schematic diagram of the protective cover structure of an adjustable road construction device for municipal engineering according to the present invention.

[0025] Figure 8 This is a cross-sectional view of the connecting ring of an adjustable road construction device for municipal engineering according to the present invention.

[0026] In the diagram: 1. Base; 11. Drive motor; 12. Control box; 1201. Power supply line; 1202. Control line; 13. Water tank; 1301. Partition plate; 1302. Cover plate; 1303. External water pipe; 1304. Arc groove; 1305. Inner arc ring; 1306. Through hole; 1307. Mechanical seal; 1308. Flexible hose; 14. Linkage shaft; 1401. Orientation rib; 1402. Positioning bolt; 1403. Positioning groove; 1404. Water pump; 15. Cleaning tray; 16. Drain hole; 17. 18. Brush; 19. Protective cover; 10. Connecting ring; 11. Connecting tenon; 12. Clamping bolt; 13. Through groove; 14. Tenon; 15. Locking bolt; 16. Locking bolt; 17. Telescopic rod; 18. Water pump; 19. Locking disc; 20. Bracket; 20. Connecting beam; 20. Positioning bolt; 21. Handrail; 22. Slide groove; 22. Tooth groove; 23. Connecting rod; 23. Locking bolt; 24. Seat ring; 25. Positioning groove; 26. Support rod; 27. Wheel seat; 28. Roller. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Please see Figure 1-8 This invention discloses an adjustable road construction device for municipal engineering, comprising a base 1, with supports 2 arranged around the base 1; a drive motor 11 is fixedly installed on the upper end of the base 1, a control box 12 is arranged on the side of the drive motor 11, a water tank 13 is fixedly connected to the lower end of the base 1, a linkage shaft 14 is arranged in the middle of the water tank 13, a cleaning disc 15 is fixedly connected to the bottom of the linkage shaft 14, a drainage hole 16 and a brush 17 are arranged on the lower surface of the cleaning disc 15, and a protective cover 18 is arranged on the outside of the cleaning disc 15. A telescopic rod 19 is fixedly connected to the top of the cover 18. A water pump 110 is fixedly installed on the side of the cover 18. A locking disc 111 is rotatably connected to the bottom of the cover 18. A handrail 21 is bolted to the side of the support 2. A sliding groove 22 is provided on the side of the support 2. A connecting rod 23 is slidably connected to the support 2 through the sliding groove 22. A seat ring 24 is fixedly connected to the bottom of the connecting rod 23. A positioning groove 25 is opened on the inner wall of the seat ring 24. A support rod 26 is slidably connected to the bottom of the support 2. A roller 27 is provided at the bottom of the support rod 26.

[0029] Specifically, the bracket 2 comprises four brackets, which are connected in pairs by bolts to a connecting beam 201. The two connecting beams 201 are bolted to both sides of the base 1.

[0030] In this embodiment, the four supports 2 are connected in pairs by connecting beams 201, which are fixed to the side of the base 1. This facilitates the combination and installation of the supports 2 and the base 1, and makes it easy to replace the supports 2 according to the working environment.

[0031] Specifically, the interior of the water tank 13 is divided into two cavities by a partition 1301, and each cavity is hinged with a cover plate 1302. The side of the water tank 13 is connected to two external water pipes 1303 through a connector interface. The two external water pipes 1303 are respectively connected to the two cavities. An arc-shaped groove 1304 is provided in the middle of the partition 1301. An inner arc ring 1305 is provided on the inner side of the arc-shaped groove 1304. The inner arc ring 1305 is rotatably connected to the outside of the linkage shaft 14. Through holes 1306 are provided on both the linkage shaft 14 and the inner arc ring 1305. Mechanical seals 1307 are provided at the upper and lower ends of the inner arc ring 1305. The input end of the water pump 110 extends to the bottom of the protective cover 18.

[0032] In this embodiment, the water tank 13 is divided into an inlet cavity and a drain cavity by a partition 1301. Both cavities can be opened by a cover 1302 for easy cleaning of the water tank 13. The inlet cavity is positioned directly opposite the arc groove 1304. During the rotation of the linkage shaft 14, the linkage shaft 14 and the through hole 1306 on the inner arc ring 1305 are alternately positioned opposite each other, thereby connecting the inlet cavity and the linkage shaft 14. Clean water introduced into the inlet cavity through the external water pipe 1303 enters the interior of the linkage shaft 14 and then enters the interior of the cleaning disc 15. The wastewater after cleaning is drawn into the hose 1308 through the input end of the water pump 110 and then enters the interior of the drain cavity. The wastewater is discharged through the external water pipe 1303 connected to the drain cavity.

[0033] Specifically, the top end of the linkage shaft 14 is fixedly connected to the output end of the drive motor 11. The linkage shaft 14 is based on a telescopic sleeve. A directional rib 1401 is provided between the inner and outer cylinders of the linkage shaft 14. Positioning bolts 1402 and positioning holes 1403 are provided on the sides of the inner and outer cylinders of the linkage shaft 14. When the linkage shaft 14 retracts, the positioning bolts 1402 and positioning holes 1403 are inserted and connected. The drain holes 16 are evenly spaced on the lower surface of the cleaning disc 15. The drain holes 16 are connected to the linkage shaft 14. A water pump 1404 is fixedly installed inside the linkage shaft 14. The drain holes 16 and the brushes 17 are arranged radially and staggered.

[0034] In this embodiment, the height of the cleaning disc 15 is finely adjusted by the telescopic movement of the linkage shaft 14. When the cleaning disc 15 is raised, space is left inside the cover 18 to accommodate the manhole cover. When the cleaning disc 15 is lowered, it contacts the surface of the installed manhole cover, thereby cleaning the surface of the manhole cover by rotating the cleaning disc 15. When the linkage shaft 14 is retracted, the positioning bolt 1402 is aligned with the positioning hole 1403, which locks the retracted state of the linkage shaft 14. The inner and outer cylinders of the linkage shaft 14 are connected by a directional rib 1401 to ensure synchronous rotation of the inner and outer cylinders of the linkage shaft 14, thereby driving the cleaning disc 15 to rotate when the drive motor 11 drives the linkage shaft 14 to rotate.

[0035] Specifically, the control box 12 is based on a PLC controller. The top of the control box 12 is connected to a power supply line 1201 and a control line 1202 via a connector interface. The control box 12 is connected to an external power source via the power supply line 1201 and to an external control terminal via the control line 1202. The control terminal includes personal computer devices such as tablet computers and laptops. The telescopic rod 19 is based on an electric cylinder. The control box 12 is electrically connected to the drive motor 11, the water pump 1404, the telescopic rod 19, and the water pump 110.

[0036] In this embodiment, the control box 12 receives control signals through the control line 1202 and controls the working status of the drive motor 11, the water pump 1404, the telescopic rod 19 and the water pump 110. The power supply line 1201 introduces external power and, after being branched inside the control box 12, is connected to the drive motor 11, the water pump 1404, the telescopic rod 19 and the water pump 110 respectively, providing power to the above-mentioned electrical structures.

[0037] Specifically, a connecting ring 1801 is fixedly connected to the bottom of the protective cover 18, and a connecting tenon 1802 is fixedly connected to the bottom of the connecting ring 1801. The connecting tenon 1802 corresponds one-to-one with the positioning groove 25. A clamping bolt 1803 is slidably connected to the side wall of the connecting ring 1801. The clamping bolts 1803 are evenly spaced on the connecting ring 1801, and the front end of the clamping bolt 1803 is inclined towards the inside of the connecting ring 1801. A through groove 1804 is opened at the tail end of the clamping bolt 1803. A protruding tenon 1805 is fixedly connected to the inner wall of the locking disc 111. The protruding tenon 1805 extends into the through groove 1804. A locking bolt 1806 is provided on the side of the locking disc 111 and is threadedly connected to the connecting ring 1801.

[0038] In this embodiment, the protective cover 18 rises and falls with the extension and retraction of the telescopic rod 19. When the protective cover 18 falls, the connecting tenon 1802 is engaged in the positioning groove 25, which fixes the relative angle between the protective cover 18 and the seat ring 24. During the rotation of the locking disc 111, the protruding tenon 1805 contacts the inner wall of the through groove 1804, thereby pushing the clamping bolt 1803 to slide inside the connecting ring 1801, thereby controlling the extension and retraction of the clamping bolt 1803 on the inner wall of the connecting ring 1801. When the clamping bolt 1803 extends, it clamps the round object inside the connecting ring 1801. By setting the locking bolt 1806, the angle between the locking disc 111 and the connecting ring 1801 is fixed, thereby locking the extension and retraction state of the clamping bolt 1803.

[0039] Specifically, four connecting rods 23 are provided, and the four connecting rods 23 are symmetrically connected to the side of the seat ring 24. The end of the connecting rod 23 connected to the seat ring 24 is inclined downward. The side of the sliding groove 22 is provided with a toothed groove 2201, and the side of the connecting rod 23 is provided with a locking bolt 2301. The threaded part of the locking bolt 2301 is in close contact with the toothed groove 2201.

[0040] In this embodiment, the connecting rod 23 is inclined downwards, extending the seat ring 24 downwards, which facilitates the connection of the seat ring 24 to the manhole opening. During the sliding process of the connecting rod 23 on the side of the slide groove 22, it plays an adjustment role in the height of the seat ring 24. The locking bolt 2301 is screwed in and out to fix the position of the connecting rod 23 on the side of the slide groove 22.

[0041] Specifically, the bottom of the support rod 26 is rotatably connected to a wheel seat 2601, the rollers 27 are symmetrically arranged on both sides of the wheel seat 2601, the side of the bracket 2 is provided with a positioning bolt 202, and the side of the support rod 26 is provided with a groove that matches the positioning bolt 202. When the positioning bolt 202 is opposite to the groove, the height of the seat ring 24 is higher than that of the wheel seat 2601.

[0042] In this embodiment, a rotatable connecting wheel seat 2601 is provided at the bottom of the support rod 26 to facilitate the adjustment of the orientation of the roller 27 and the turning of the device. The positioning bolt 202 provided on the side of the bracket 2 fixes the length of the support rod 26 extending out of the bracket 2 and adjusts the overall height of the device.

[0043] When using the device, the following situations apply depending on its intended use:

[0044] ① During the process of moving the manhole cover, lift the seat ring 24, slide the connecting rod 23 out of the slide groove 22, then remove the seat ring 24, slide the device above the manhole cover, activate the telescopic rod 19, so that the protective cover 18 is lowered and close to the ground, the protective cover 18 is fastened to the outside of the manhole cover, rotate the locking disc 111, so that the clamping bolt 1803 extends into the inside of the connecting ring 1801 and presses against the manhole cover, and bolt in the locking bolt 1806 to fix it. After lifting the protective cover 18, move the device to the manhole opening, lower the protective cover 18 again, unscrew the locking bolt 1806, reverse the locking disc 111 to release the fixation of the manhole cover, and complete the manhole cover moving action;

[0045] ② When protecting and cleaning the manhole cover, the device is moved above the manhole cover, and the lower seat ring 24 is brought into contact with the ground around the manhole cover. The telescopic rod 19 drives the protective cover 18 to descend and fit tightly with the seat ring 24. During road construction, it can shield the asphalt, sand and gravel generated around the manhole. The water tank 13 is connected to the external water supply source and drainage pipe through two external water pipes 1303. The water source is in one cavity of the water tank 13 and enters the inside of the linkage shaft 14 through the inner arc ring 1305. It is pumped by the water pump 110 to the inside of the cleaning disc 15. At the same time, the drive motor 11 drives the cleaning disc 15 to rotate through the linkage shaft 14. While the brush 17 brushes the surface of the manhole cover, the cleaning water is sprayed on the surface of the manhole cover through the drain hole 16, which can wash the manhole cover. The generated sewage accumulates inside the seat ring 24 and eventually comes into contact with the input end of the water pump 110. The sewage is pumped into another cavity in the water tank 13 by the water pump 110 and finally discharged.

[0046] ③ When cleaning the road surface, as described in ① above, remove the seat ring 24, remove the positioning bolt 1402, extend the linkage shaft 14, and stop when the guard 18 is lowered close to the ground, so that the brush 17 contacts the ground surface. As described in ② above, use the cleaning disc 15 to clean the corresponding ground surface, and cooperate with the sliding of the bracket 2 to clean the road surface.

[0047] In summary, this adjustable road construction device for municipal engineering, by combining the locking disc 111 with the protective cover 18 to form a locking structure, utilizes the telescopic movement of the telescopic rod 19 for lifting and lowering, and coordinates with the sliding of the bracket 2 to form a gripping and lowering action, thereby realizing the movement of manhole covers and reducing the manpower consumption during manhole cover installation. By combining the cleaning disc 15 for road cleaning and the locking disc 111 for manhole cover fixing with the protective cover 18, the device can be used to both move manhole covers and clean the surface of already installed manhole covers. The seat ring 24 provides dust protection for the manhole cover during road construction, preventing asphalt and other difficult-to-clean materials from contaminating the manhole cover, thus maintaining the cleanliness of the manhole cover during road construction. At the same time, the seat ring 24 is a detachable structure, and after removal, the equipment can also be used to clean the road surface, facilitating post-road cleaning work.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable road construction device for municipal engineering, comprising a base (1), characterized in that: The base (1) is surrounded by a support (2); A drive motor (11) is fixedly installed at the upper end of the base (1). A control box (12) is provided on the side of the drive motor (11). A water tank (13) is fixedly connected to the lower end of the base (1). A linkage shaft (14) is provided in the middle of the water tank (13). A cleaning disc (15) is fixedly connected to the bottom of the linkage shaft (14). A drain hole (16) and a brush (17) are provided on the lower surface of the cleaning disc (15). A protective cover (18) is provided on the outside of the cleaning disc (15). A telescopic rod (19) is fixedly connected to the top of the protective cover (18). A water pump (110) is fixedly installed on the side of the protective cover (18). A locking disc (111) is rotatably connected to the bottom of the protective cover (18). The interior of the water tank (13) is divided into two cavities by a partition (1301), and the sides of the two cavities are hinged with cover plates (1302). The sides of the water tank (13) are connected to two external water pipes (1303) through a connector interface. The two external water pipes (1303) are respectively connected to the two cavities. The partition (1301) has an arc groove (1304) in the middle. The inner side of the arc groove (1304) is provided with an inner arc ring (1305). The inner arc ring (1305) is rotatably connected to the outside of the linkage shaft (14). The linkage shaft (14) and the inner arc ring (1305) are both provided with through holes (1306). The upper and lower ends of the inner arc ring (1305) are provided with mechanical seals (1307). The input end of the water pump (110) extends to the bottom of the protective cover (18). The bottom of the protective cover (18) is fixedly connected to a connecting ring (1801), and the bottom of the connecting ring (1801) is fixedly connected to a connecting tenon (1802). The connecting tenon (1802) corresponds one-to-one with the positioning groove (25). The side wall of the connecting ring (1801) is slidably connected to a clamping bolt (1803). The clamping bolts (1803) are evenly spaced on the connecting ring (1801), and the front end of the clamping bolt (1803) is inclined towards the inside of the connecting ring (1801). The tail end of the clamping bolt (1803) is provided with a through groove (1804). The inner wall of the locking disc (111) is fixedly connected to a protruding tenon (1805). The protruding tenon (1805) extends into the through groove (1804). The side of the locking disc (111) is provided with a locking bolt (1806) that is threadedly connected to the connecting ring (1801). The side of the bracket (2) is bolted to a handrail (21). The side of the bracket (2) is provided with a sliding groove (22). The bracket (2) is slidably connected to a connecting rod (23) through the sliding groove (22). The bottom of the connecting rod (23) is fixedly connected to a seat ring (24). The inner wall of the seat ring (24) is provided with a positioning groove (25). The bottom of the bracket (2) is slidably connected to a support rod (26). The bottom of the support rod (26) is provided with a roller (27).

2. The adjustable road construction device for municipal engineering according to claim 1, characterized in that: The bracket (2) comprises four brackets, which are connected in pairs by bolts to a connecting beam (201). The two connecting beams (201) are bolted to both sides of the base (1).

3. The adjustable road construction device for municipal engineering according to claim 1, characterized in that: The top end of the linkage shaft (14) is fixedly connected to the output end of the drive motor (11). The linkage shaft (14) is based on a telescopic sleeve. A directional rib (1401) is provided between the inner and outer cylinders of the linkage shaft (14). A positioning bolt (1402) and a positioning hole (1403) are provided on the sides of the inner and outer cylinders of the linkage shaft (14). When the linkage shaft (14) retracts, the positioning bolt (1402) and the positioning hole (1403) are inserted and connected. The water leakage holes (16) are evenly spaced on the lower surface of the cleaning disc (15). The water leakage holes (16) are connected to the linkage shaft (14). A water pump (1404) is fixedly installed inside the linkage shaft (14). The water leakage holes (16) and the brush (17) are arranged radially and staggered.

4. The adjustable road construction device for municipal engineering according to claim 1, characterized in that: The control box (12) is based on a PLC controller. The top of the control box (12) is connected to a power supply line (1201) and a control line (1202) through a connector interface. The control box (12) is connected to an external power source through the power supply line (1201). The control box (12) is connected to an external control terminal through the control line (1202). The control terminal includes a tablet computer and a laptop computer. The telescopic rod (19) is based on an electric cylinder. The control box (12) is electrically connected to the drive motor (11), the water pump (1404), the telescopic rod (19), and the water pump (110).

5. An adjustable road construction device for municipal engineering according to claim 1, characterized in that: Four connecting rods (23) are provided, and the four connecting rods (23) are symmetrically connected to the side of the seat ring (24). The end of the connecting rod (23) connected to the seat ring (24) is inclined downward. The side of the slide groove (22) is provided with a toothed groove (2201). The side of the connecting rod (23) is provided with a locking bolt (2301). The screw part of the locking bolt (2301) is in close contact with the toothed groove (2201).

6. An adjustable road construction device for municipal engineering according to claim 1, characterized in that: The bottom of the support rod (26) is rotatably connected to a wheel seat (2601). The rollers (27) are symmetrically arranged on both sides of the wheel seat (2601). The side of the bracket (2) is provided with a positioning bolt (202). The side of the support rod (26) is provided with a groove that matches the positioning bolt (202). When the positioning bolt (202) is opposite to the groove, the height of the seat ring (24) is higher than that of the wheel seat (2601).

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