Underground roadway surface cleaning device

Abstract

The utility model discloses an underground roadway pavement cleaning device, including T -shaped pipe, the side of T -shaped pipe's horizontal pipe is away from the vertical pipe and is installed with a plurality of spray head along its extension direction, and the other side of horizontal pipe is hinged with scale removal mechanism, and the vertical pipe is installed with ball valve and switch, and ball valve and switch are electrically connected, and the side of vertical pipe is away from scale removal mechanism and is hinged with water collecting mechanism, and water collecting mechanism is fixed with the collection of pollution mechanism and is located at the side of being close to horizontal pipe, the utility model discloses can effectively remove the dirt on the road surface through scale removal mechanism, and cooperate on spray head can realize the effective cleaning to the road surface, and after cleaning, the water on the road is gathered through water collecting mechanism, improves sewage recovery efficiency, and is collected through the collection of pollution mechanism again, avoids secondary pollution, meets the environmental protection requirement in pit, and only one person can operate simultaneously, reduces the labor intensity, and the cleaning efficiency is 2-3 times of manual promotion, has the characteristics such as good atomization cleaning effect, low labor intensity, good water saving, high operation efficiency.

Description

Technical Field

[0001] This utility model belongs to the technical field of cleaning equipment and relates to a cleaning device for underground roadway surfaces. Background Technology

[0002] Due to the complex underground environment, dust and oil stains often accumulate on the road surface and chamber floor. In the past, cleaning was mainly done by sweeping and rinsing with water pipes, which could not effectively remove the dirt attached to the road surface, resulting in low work efficiency. There is an urgent need for a new cleaning device. Utility Model Content

[0003] The purpose of this invention is to provide a roadway cleaning device for underground mines, which solves the problem of low roadway cleaning efficiency in the existing technology.

[0004] The technical solution adopted by this utility model is a road surface cleaning device for underground tunnels, including a T-shaped pipe. Several nozzles are installed obliquely along the extension direction on the side of the horizontal pipe away from the vertical pipe. A descaling mechanism is hinged to the other side of the horizontal pipe. A ball valve and a switch are installed on the vertical pipe. The ball valve and the switch are electrically connected. A water collection mechanism is hinged to the side of the vertical pipe away from the descaling mechanism. A dirt collection mechanism is fixed on the side where the water collection mechanism is located, and the water collection mechanism is located on the side close to the horizontal pipe.

[0005] The features of this utility model also include: Rollers are installed on both sides of the horizontal tube.

[0006] Several circular retaining rings are fixed on the vertical pipe along its extension direction.

[0007] A handle is installed at the end of the vertical tube away from the horizontal tube, and a gripping hole is provided on the handle.

[0008] A connection hole is provided on the vertical tube near the handle, and a water supply pipe is connected to the connection hole.

[0009] The descaling mechanism includes two first connecting rods. One end of the first connecting rod is hinged to the horizontal pipe, and the other end of the two first connecting rods is connected to one side of the descaling plate. Several protruding teeth are fixed on the other side of the descaling plate, and one side of the descaling plate is opposite to the horizontal pipe.

[0010] The water-gathering mechanism includes a second connecting rod, one end of which is hinged to the vertical pipe, and the other end of which is connected to one side of a wiper blade. One side of the wiper blade faces the vertical pipe, and a through hole is provided on the wiper blade.

[0011] The sewage collection mechanism includes a third connecting rod, which is connected to a sewage collection tank. A negative pressure fan is fixed to the top inside the sewage collection tank. A filter screen is fixed to the bottom inside the sewage collection tank, and the filter screen is positioned opposite to the negative pressure fan. A liquid level sensor is also installed inside the sewage collection tank. A suction port is opened at the bottom of the sewage collection tank. A suction pipe is connected to the outside of the suction port and passes through a through hole. A sealing strip is fixed along the edge of the suction port. A discharge port is opened on one side of the sewage collection tank, and a discharge valve is installed on the outside of the discharge port.

[0012] A PLC controller is installed on the outside of the sewage collection tank. The PLC controller is electrically connected to the negative pressure fan, the drain valve, and the liquid level sensor.

[0013] Lighting is also installed on the vertical pipe, and the lighting is electrically connected to the PLC controller.

[0014] The beneficial effects of this utility model are: This utility model can effectively remove dirt from the road surface through the descaling mechanism. With the nozzle, it can effectively clean the road surface. After cleaning, the water collection mechanism gathers the water on the road surface, improving the wastewater recycling efficiency. Then, the wastewater collection mechanism collects the wastewater to avoid secondary pollution. The structure is simple and meets the environmental protection requirements of underground wells. At the same time, it can be operated by only one person, reducing labor intensity. The cleaning efficiency is 2-3 times higher than manual cleaning. It has the characteristics of good atomized cleaning effect, low labor intensity, good water saving and high operation efficiency. Attached Figure Description

[0015] Figure 1 This is the front view of this utility model; Figure 2 This is a structural diagram of the annular retaining ring in this utility model; Figure 3 This is a structural diagram of the descaling mechanism in this utility model; Figure 4 This is a structural diagram of the water-gathering mechanism in this utility model; Figure 5 This is a structural diagram of the sewage collection mechanism in this utility model.

[0016] In the diagram, 1. T-shaped tube, 2. Nozzle, 3. Handle, 31. Grip hole, 4. Roller, 5. Ball valve, 6. Connection hole, 7. Water supply pipe, 8. Switch, 9. Descaling mechanism, 91. First connecting rod, 92. Descaling plate, 93. Protruding tooth, 10. Water collection mechanism, 101. Second connecting rod, 102. Scraper, 103. Through hole, 11. Circular retaining ring, 12. Sludge collection mechanism, 121. Sludge collection tank, 122. Negative pressure fan, 123. Third connecting rod, 124. Suction port, 125. Suction pipe, 126. Sludge outlet, 127. Sludge valve, 128. Filter screen, 129. Liquid level sensor, 13. Sealing strip, 14. PLC controller, 15. Lighting lamp. Detailed Implementation

[0017] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0018] Mining roadway surface cleaning device, refer to Figure 1 The system includes a T-shaped pipe 1, made of DN20 steel pipe. Several nozzles 2 are installed obliquely along the extension direction of the horizontal section of the T-shaped pipe 1 on the side away from the vertical section. A descaling mechanism 9 is hinged to the other side of the horizontal section. A ball valve 5 and a switch 8 are installed on the vertical section, electrically connected. A water-collecting mechanism 10 is hinged to the side of the vertical section away from the descaling mechanism 9. A dirt-collecting mechanism 12 is fixed to the side where the water-collecting mechanism 10 is located, and the water-collecting mechanism 10 is located near the horizontal section. Rollers 4 are installed on both sides of the horizontal section. (Refer to...) Figure 2 Several annular retaining rings 11 are fixed on the vertical pipe along its extension direction, as shown in the reference. Figure 1 A handle 3 is installed at the end of the vertical pipe away from the horizontal pipe. The handle 3 has a gripping hole 31 for easy gripping by the staff. A connection hole 6 is provided on the vertical pipe near the handle 3. The connection hole 6 is connected to a water supply pipe 7, which can deliver water into the T-shaped pipe 1.

[0019] Reference Figure 3 The descaling mechanism 9 includes two first connecting rods 91. One end of the first connecting rod 91 is hinged to the horizontal pipe, and the other end of the two first connecting rods 91 is connected to one side of the descaling plate 92. Several protruding teeth 93 are fixed on the other side of the descaling plate 92. The protruding teeth 93 are made of hard alloy and can break down hard dirt on the road surface. One side of the descaling plate 92 is opposite to the horizontal pipe.

[0020] Reference Figure 4 The water collection mechanism 10 includes a second connecting rod 101. One end of the second connecting rod 101 is hinged to the vertical pipe, and the other end of the second connecting rod 101 is connected to one side of the wiper blade 102. One side of the wiper blade 102 is opposite to the vertical pipe, and a through hole 103 is provided on the wiper blade 102. The wiper blade 102 is used to collect water on the road surface and improve the efficiency of sewage recycling.

[0021] Reference Figure 5The sewage collection mechanism 12 includes a third connecting rod 123, which is connected to a sewage collection tank 121. A negative pressure fan 122 is fixed to the top of the inner side of the sewage collection tank 121. A filter screen 128 is fixed to the inner side of the sewage collection tank 121 near the bottom. The filter screen 128 is positioned opposite to the negative pressure fan 122 and can block slag particles, preventing them from being sucked into the negative pressure fan 122 and causing equipment damage. A liquid level sensor 129 is also installed inside the sewage collection tank 121 to detect liquid level in real time. The sewage level is measured; a suction port 124 is provided at the bottom of the sewage collection tank 121, and a suction pipe 125 is connected to the outside of the suction port 124 and passes through the through hole 103. A sealing strip 13 is wrapped and fixed along the edge of the suction port 124. The sealing strip 13 is made of rubber to prevent sewage from splashing when suctioning. A sewage outlet 126 is provided on one side of the sewage collection tank 121. A sewage valve 127 is installed on the outside of the sewage outlet 126. Excess sewage can be discharged to the outside of the alley through the sewage outlet 126 by connecting a pipe.

[0022] Reference Figure 1 A PLC controller 14 is installed on the outside of the sewage collection tank 121. The PLC controller 14 is model S7-1200. The PLC controller 14 is electrically connected to the negative pressure fan 122, the sewage discharge valve 127, and the liquid level sensor 129. A lighting lamp 15 is also installed on the vertical pipe. The lighting lamp 15 is electrically connected to the PLC controller 14 to improve the safety and visibility of the equipment in the underground environment.

[0023] The working process of this utility model: When cleaning the alleyway surface, turn on the lighting 15, adjust the first connecting rod 91 to a suitable angle so that the protruding teeth 93 are in contact with the road surface, and the staff grasps the handle 3 and pushes it back and forth to remove the hard dirt on the road surface. After completion, the descaling mechanism 9 is retracted. Water is supplied to the T-shaped pipe 1 through the water supply pipe 7, the switch 8 is turned on, the water is atomized through the nozzle 2 and pushed by the staff to clean the ground. During the cleaning process, the second connecting rod 101 is adjusted so that the squeegee 102 gathers the water. At the same time, the negative pressure fan 122 is turned on, and the sewage enters the sewage collection tank 121 through the suction pipe 125. The liquid level sensor 129 detects the liquid level of the sewage in real time. When there is too much sewage, the sewage is discharged to the outside of the alleyway through the sewage outlet 126 connected to the pipe. After the road surface is cleaned, the sewage outlet 126 is pulled out from the through hole 103, the squeegee 102 is retracted, and the suction pipe 125 is fixed by several circular retaining rings 11 on the vertical pipe so that the pipe opening of the suction pipe 125 faces upward to prevent sewage leakage.

[0024] Example 1: The underground roadway surface cleaning device includes a T-shaped pipe 1. Several nozzles 2 are installed obliquely along the extension direction of the horizontal pipe of the T-shaped pipe 1 on the side away from the vertical pipe. A descaling mechanism 9 is hinged to the other side of the horizontal pipe. A ball valve 5 and a switch 8 are installed on the vertical pipe. The ball valve 5 and the switch 8 are electrically connected. A water collection mechanism 10 is hinged to the side of the vertical pipe away from the descaling mechanism 9. A dirt collection mechanism 12 is fixed on the side where the water collection mechanism 10 is located, and the water collection mechanism 10 is located on the side close to the horizontal pipe.

[0025] Rollers 4 are installed on each side of the horizontal tube.

[0026] Several annular retaining rings 11 are fixed on the vertical pipe along its extension direction.

[0027] A handle 3 is installed at the end of the vertical tube away from the horizontal tube, and a gripping hole 31 is provided on the handle 3.

[0028] A connection hole 6 is provided on the vertical pipe near the handle 3, and a water supply pipe 7 is connected to the connection hole 6.

[0029] The descaling mechanism 9 includes two first connecting rods 91. One end of the first connecting rod 91 is hinged to the horizontal pipe, and the other end of the two first connecting rods 91 is connected to one side of the descaling plate 92. Several protruding teeth 93 are fixed on the other side of the descaling plate 92, and one side of the descaling plate 92 is opposite to the horizontal pipe.

[0030] Example 2: The underground roadway surface cleaning device includes a T-shaped pipe 1. Several nozzles 2 are installed obliquely along the extension direction of the horizontal pipe of the T-shaped pipe 1 on the side away from the vertical pipe. A descaling mechanism 9 is hinged to the other side of the horizontal pipe. A ball valve 5 and a switch 8 are installed on the vertical pipe. The ball valve 5 and the switch 8 are electrically connected. A water collection mechanism 10 is hinged to the side of the vertical pipe away from the descaling mechanism 9. A dirt collection mechanism 12 is fixed on the side where the water collection mechanism 10 is located, and the water collection mechanism 10 is located on the side close to the horizontal pipe.

[0031] The descaling mechanism 9 includes two first connecting rods 91. One end of the first connecting rod 91 is hinged to the horizontal pipe, and the other end of the two first connecting rods 91 is connected to one side of the descaling plate 92. Several protruding teeth 93 are fixed on the other side of the descaling plate 92, and one side of the descaling plate 92 is opposite to the horizontal pipe.

[0032] The water collection mechanism 10 includes a second connecting rod 101. One end of the second connecting rod 101 is hinged to the vertical pipe, and the other end of the second connecting rod 101 is connected to one side of the wiper blade 102. One side of the wiper blade 102 is opposite to the vertical pipe, and a through hole 103 is provided on the wiper blade 102.

[0033] The sewage collection mechanism 12 includes a third connecting rod 123, which is connected to a sewage collection tank 121. A negative pressure fan 122 is fixed to the top of the inner side of the sewage collection tank 121. A filter screen 128 is fixed to the bottom of the inner side of the sewage collection tank 121. The filter screen 128 is arranged opposite to the negative pressure fan 122. A liquid level sensor 129 is also installed inside the sewage collection tank 121. A suction port 124 is opened at the bottom of the sewage collection tank 121. A suction pipe 125 is connected to the outside of the suction port 124 and passes through the through hole 103. A sealing strip 13 is fixed along the edge of the suction port 124. A sewage outlet 126 is opened on one side of the sewage collection tank 121. A sewage valve 127 is installed on the outside of the sewage outlet 126.

[0034] A PLC controller 14 is installed on the outside of the sewage collection tank 121. The PLC controller 14 is electrically connected to the negative pressure fan 122, the sewage discharge valve 127, and the liquid level sensor 129.

[0035] A lighting lamp 15 is also installed on the vertical pipe, and the lighting lamp 15 is electrically connected to the PLC controller 14.

[0036] Example 3: The underground roadway surface cleaning device includes a T-shaped pipe 1. Several nozzles 2 are installed obliquely along the extension direction of the horizontal pipe of the T-shaped pipe 1 on the side away from the vertical pipe. A descaling mechanism 9 is hinged to the other side of the horizontal pipe. A ball valve 5 and a switch 8 are installed on the vertical pipe. The ball valve 5 and the switch 8 are electrically connected. A water collection mechanism 10 is hinged to the side of the vertical pipe away from the descaling mechanism 9. A dirt collection mechanism 12 is fixed on the side where the water collection mechanism 10 is located, and the water collection mechanism 10 is located on the side close to the horizontal pipe.

[0037] Rollers 4 are installed on each side of the horizontal tube.

[0038] Several annular retaining rings 11 are fixed on the vertical pipe along its extension direction.

[0039] The descaling mechanism 9 includes two first connecting rods 91. One end of the first connecting rod 91 is hinged to the horizontal pipe, and the other end of the two first connecting rods 91 is connected to one side of the descaling plate 92. Several protruding teeth 93 are fixed on the other side of the descaling plate 92, and one side of the descaling plate 92 is opposite to the horizontal pipe.

[0040] The water collection mechanism 10 includes a second connecting rod 101. One end of the second connecting rod 101 is hinged to the vertical pipe, and the other end of the second connecting rod 101 is connected to one side of the wiper blade 102. One side of the wiper blade 102 is opposite to the vertical pipe, and a through hole 103 is provided on the wiper blade 102.

[0041] The sewage collection mechanism 12 includes a third connecting rod 123, which is connected to a sewage collection tank 121. A negative pressure fan 122 is fixed to the top of the inner side of the sewage collection tank 121. A filter screen 128 is fixed to the bottom of the inner side of the sewage collection tank 121. The filter screen 128 is arranged opposite to the negative pressure fan 122. A liquid level sensor 129 is also installed inside the sewage collection tank 121. A suction port 124 is opened at the bottom of the sewage collection tank 121. A suction pipe 125 is connected to the outside of the suction port 124 and passes through the through hole 103. A sealing strip 13 is fixed along the edge of the suction port 124. A sewage outlet 126 is opened on one side of the sewage collection tank 121. A sewage valve 127 is installed on the outside of the sewage outlet 126.

[0042] Example 4: The underground roadway surface cleaning device includes a T-shaped pipe 1. Several nozzles 2 are installed obliquely along the extension direction of the horizontal pipe of the T-shaped pipe 1 on the side away from the vertical pipe. A descaling mechanism 9 is hinged to the other side of the horizontal pipe. A ball valve 5 and a switch 8 are installed on the vertical pipe. The ball valve 5 and the switch 8 are electrically connected. A water collection mechanism 10 is hinged to the side of the vertical pipe away from the descaling mechanism 9. A dirt collection mechanism 12 is fixed on the side where the water collection mechanism 10 is located, and the water collection mechanism 10 is located on the side close to the horizontal pipe.

[0043] A handle 3 is installed at the end of the vertical tube away from the horizontal tube, and a gripping hole 31 is provided on the handle 3.

[0044] A connection hole 6 is provided on the vertical pipe near the handle 3, and a water supply pipe 7 is connected to the connection hole 6.

[0045] The descaling mechanism 9 includes two first connecting rods 91. One end of the first connecting rod 91 is hinged to the horizontal pipe, and the other end of the two first connecting rods 91 is connected to one side of the descaling plate 92. Several protruding teeth 93 are fixed on the other side of the descaling plate 92, and one side of the descaling plate 92 is opposite to the horizontal pipe.

[0046] Example 5: The underground roadway surface cleaning device includes a T-shaped pipe 1. Several nozzles 2 are installed obliquely along the extension direction of the horizontal pipe of the T-shaped pipe 1 on the side away from the vertical pipe. A descaling mechanism 9 is hinged to the other side of the horizontal pipe. A ball valve 5 and a switch 8 are installed on the vertical pipe. The ball valve 5 and the switch 8 are electrically connected. A water collection mechanism 10 is hinged to the side of the vertical pipe away from the descaling mechanism 9. A dirt collection mechanism 12 is fixed on the side where the water collection mechanism 10 is located, and the water collection mechanism 10 is located on the side close to the horizontal pipe.

[0047] Rollers 4 are installed on each side of the horizontal tube.

[0048] The water collection mechanism 10 includes a second connecting rod 101. One end of the second connecting rod 101 is hinged to the vertical pipe, and the other end of the second connecting rod 101 is connected to one side of the wiper blade 102. One side of the wiper blade 102 is opposite to the vertical pipe, and a through hole 103 is provided on the wiper blade 102.

[0049] The sewage collection mechanism 12 includes a third connecting rod 123, which is connected to a sewage collection tank 121. A negative pressure fan 122 is fixed to the top of the inner side of the sewage collection tank 121. A filter screen 128 is fixed to the bottom of the inner side of the sewage collection tank 121. The filter screen 128 is arranged opposite to the negative pressure fan 122. A liquid level sensor 129 is also installed inside the sewage collection tank 121. A suction port 124 is opened at the bottom of the sewage collection tank 121. A suction pipe 125 is connected to the outside of the suction port 124 and passes through the through hole 103. A sealing strip 13 is fixed along the edge of the suction port 124. A sewage outlet 126 is opened on one side of the sewage collection tank 121. A sewage valve 127 is installed on the outside of the sewage outlet 126.

[0050] A PLC controller 14 is installed on the outside of the sewage collection tank 121. The PLC controller 14 is electrically connected to the negative pressure fan 122, the sewage discharge valve 127, and the liquid level sensor 129.

[0051] A lighting lamp 15 is also installed on the vertical pipe, and the lighting lamp 15 is electrically connected to the PLC controller 14.

[0052] Example 6: The underground roadway surface cleaning device includes a T-shaped pipe 1. Several nozzles 2 are installed obliquely along the extension direction of the horizontal pipe of the T-shaped pipe 1 on the side away from the vertical pipe. A descaling mechanism 9 is hinged to the other side of the horizontal pipe. A ball valve 5 and a switch 8 are installed on the vertical pipe. The ball valve 5 and the switch 8 are electrically connected. A water collection mechanism 10 is hinged to the side of the vertical pipe away from the descaling mechanism 9. A dirt collection mechanism 12 is fixed on the side where the water collection mechanism 10 is located, and the water collection mechanism 10 is located on the side close to the horizontal pipe.

[0053] Rollers 4 are installed on each side of the horizontal tube.

[0054] Several annular retaining rings 11 are fixed on the vertical pipe along its extension direction.

[0055] A handle 3 is installed at the end of the vertical tube away from the horizontal tube, and a gripping hole 31 is provided on the handle 3.

[0056] The descaling mechanism 9 includes two first connecting rods 91. One end of the first connecting rod 91 is hinged to the horizontal pipe, and the other end of the two first connecting rods 91 is connected to one side of the descaling plate 92. Several protruding teeth 93 are fixed on the other side of the descaling plate 92, and one side of the descaling plate 92 is opposite to the horizontal pipe.

[0057] The water collection mechanism 10 includes a second connecting rod 101. One end of the second connecting rod 101 is hinged to the vertical pipe, and the other end of the second connecting rod 101 is connected to one side of the wiper blade 102. One side of the wiper blade 102 is opposite to the vertical pipe, and a through hole 103 is provided on the wiper blade 102.

Claims

1. A roadway surface cleaning device for underground mines, characterized in that, The device includes a T-shaped pipe (1), on which several nozzles (2) are installed at an angle along the extension direction on the side away from the vertical pipe of the horizontal pipe of the T-shaped pipe (1). A descaling mechanism (9) is hinged to the other side of the horizontal pipe. A ball valve (5) and a switch (8) are installed on the vertical pipe. The ball valve (5) and the switch (8) are electrically connected. A water collection mechanism (10) is hinged to the side of the vertical pipe away from the descaling mechanism (9). A dirt collection mechanism (12) is fixed on the side where the water collection mechanism (10) is located, and the water collection mechanism (10) is located on the side close to the horizontal pipe.

2. The underground roadway surface cleaning device according to claim 1, characterized in that, Rollers (4) are installed on both sides of the horizontal tube.

3. The underground roadway surface cleaning device according to claim 1, characterized in that, Several annular retaining rings (11) are fixed on the vertical tube along its extension direction.

4. The downhole roadway floor cleaning device of claim 1, wherein, A handle (3) is installed at the end of the vertical tube away from the horizontal tube, and a gripping hole (31) is provided on the handle (3).

5. The downhole roadway floor cleaning device according to claim 4, wherein, A connection hole (6) is provided on the vertical pipe near the handle (3), and a water supply pipe (7) is connected to the connection hole (6).

6. The downhole roadway floor cleaning device of claim 1, wherein, The descaling mechanism (9) includes two first connecting rods (91). One end of the first connecting rod (91) is hinged to the horizontal pipe, and the other end of the two first connecting rods (91) is connected to one side of the descaling plate (92). The other side of the descaling plate (92) is fixed with several protruding teeth (93), and one side of the descaling plate (92) is opposite to the horizontal pipe.

7. The downhole roadway floor cleaning device according to claim 1, wherein, The water collection mechanism (10) includes a second connecting rod (101), one end of which is hinged to the vertical pipe, and the other end of which is connected to one side of a scraper (102). One side of the scraper (102) is opposite to the vertical pipe, and a through hole (103) is provided on the scraper (102).

8. The downhole roadway pavement cleaning device according to claim 7, characterized in that, The sewage collection mechanism (12) includes a third connecting rod (123), which is connected to a sewage collection tank (121). A negative pressure fan (122) is fixed to the top of the inside of the sewage collection tank (121). A filter screen (128) is fixed to the bottom of the inside of the sewage collection tank (121). The filter screen (128) is arranged opposite to the negative pressure fan (122). A liquid level sensor (129) is also installed inside the sewage collection tank (121). A suction port (124) is opened at the bottom of the sewage collection tank (121). A suction pipe (125) is connected to the outside of the suction port (124) and the suction pipe (125) passes through the through hole (103). A sealing strip (13) is wrapped and fixed along the edge of the outside of the suction port (124). A sewage outlet (126) is opened on one side of the sewage collection tank (121). A sewage valve (127) is installed on the outside of the sewage outlet (126).

9. The downhole roadway floor cleaning device according to claim 8, characterized in that, A PLC controller (14) is installed on the outside of the sewage collection tank (121). The PLC controller (14) is electrically connected to the negative pressure fan (122), the drain valve (127), and the liquid level sensor (129).

10. The downhole roadway pavement cleaning device according to claim 9, characterized in that, A lighting lamp (15) is also installed on the vertical pipe, and the lighting lamp (15) is electrically connected to the PLC controller (14).

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