Full-automatic pole-changing dust remover of shield tunneling machine

Abstract

The invention provides a full-automatic pole-changing dust remover of a shield tunneling machine, which comprises a dust removal box, an inlet, a discharge port, an absorption device, a discharge device, a vibration device, a sewage discharge channel, a direct-current high-voltage dust removal device and a filter device, and the inlet and the discharge port are formed in the two side surfaces of the dust removal box along the length direction; an absorption device is arranged in the inlet; a discharge device is arranged in the discharge port; vibration devices are arranged on the upper end surfaces of the dedusting boxes; a sewage discharge channel is formed in the bottom in the dust removal box; a direct-current high-voltage dust removal device is arranged in the dust removal box; a filtering device is arranged on one side of the dust removal box along the length; a reciprocating mechanism is arranged on one side face of the dust removal box in the length direction, through reciprocating rotation of a first nozzle and a second nozzle, the two sides of the dust removal plate can be completely flushed, the flushing effect is effectively improved, it is guaranteed that the dust removal plate normally adsorbs dust, the working efficiency is improved, and the working function is improved.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel construction, and in particular to a fully automatic pole-changing dust collector for a shield machine. Background Art

[0002] The dust removal system is an important auxiliary equipment in shield machine construction. At present, dust removal fans are often used in TBM construction. Conventional shield machines have fewer configurations considering their cost and environment. As the excavation mileage increases, slag accumulation occurs at the fan inlet. If it is not cleaned in time, the motor is prone to overload and damage to the dust removal fan, which delays the on-site excavation and brings great trouble to the on-site construction environment, and cannot guarantee the health of construction workers in tunneling.

[0003] In recent years, with the development of electrode technology in the field of dust removal, various forms of dust collectors have been widely used in different industries. Therefore, it is urgent to develop a dust collector suitable for high flow rate and high dust requirements of shield construction, in order to solve the high dust in shield construction and provide technical support for the construction environment.

[0004] In the dust removal process of electrode technology, nozzles need to be used for spraying to remove dust. Since the nozzle position adjustment method is not flexible enough, the sprayed water will not completely wash both sides of the electrode plate, causing the electrode plate to continue to retain dust, which will affect the adsorption capacity in the next dust adsorption, and thus reduce the flushing effect. In particular, in the vibrating electrode plate, the dust will fall down and float to the two side walls inside the dust removal box with the vibration, and multiple nozzles cannot flush both sides of the dust removal box, resulting in a large amount of dust on the two side walls inside the dust removal box, reducing the cleanliness inside the dust removal box and reducing functionality.

[0005] In order to solve the problems in the prior art, a fully automatic pole-changing dust collector for a shield machine is provided. Summary of the invention

[0006] In view of this, the present invention proposes a fully automatic pole-changing dust collector for a shield machine to solve the existing problems.

[0007] The technical solution of the present invention is implemented as follows: The present invention provides a fully automatic pole-changing dust collector for a shield machine, comprising a dust removal box, an inlet, an outlet, an absorption device, a discharge device, a vibration device, a sewage duct, a DC high-voltage dust removal device and a filtering device, wherein the dust removal box is provided with an inlet and an outlet on both sides along the length; an absorption device is arranged in the inlet; a discharge device is arranged in the outlet; a vibration device is arranged on the upper end surface of the dust removal box; a sewage duct is arranged at the bottom of the dust removal box; a DC high-voltage dust removal device is arranged inside the dust removal box; a filtering device is arranged on one side of the length of the dust removal box; and a reciprocating mechanism is arranged on one side of the length of the dust removal box.

[0008] Further, preferably, the reciprocating mechanism includes a motor provided with a dust removal box on one side along the length, the motor is rotatably connected to a rotating disk via a rotating shaft, a transmission rod is fixedly connected to one side of the rotating disk, the outer side of the transmission rod is rotatably connected to a transmission plate, the transmission plate is rotatably connected to a rack plate via a fixed rod, the rack plate is slidably fitted in a sliding groove opened on one side of the upper end face of a support plate, one side of the support plate is fixed to one side of the dust removal box, the rack plate is meshed with a gear, a first water spray assembly is sleeved inside the gear, the first water spray assembly includes a first transmission shaft, one end of the first transmission shaft is sleeved inside the gear, and a first pulley is sleeved on one side of the first transmission shaft close to the gear, the first pulley is driven by a first transmission belt and is matched with a second pulley, and a second water spray assembly is sleeved inside the second pulley.

[0009] Further, preferably, the second water spray assembly includes a second transmission shaft, one side of the second transmission shaft is sleeved inside the second pulley, and one end of the second transmission shaft is rotatably connected to the first through hole on the side of the dust removal box, and one end of the second transmission shaft is fixedly connected to the first delivery pipe, one side of the outer surface of the first delivery pipe is equidistantly arranged along the length direction and connected to the first nozzle, and the other side of the outer surface of the first delivery pipe is equidistantly arranged along the length direction and connected to the first delivery hose, the first accommodating chamber and the second accommodating chamber are opened on both sides of the dust removal box, and one end of the first delivery hose is inserted into the first accommodating chamber, a first water control device is arranged inside the first accommodating chamber, one end of the first delivery hose is connected to the water control device, and one end of the first delivery pipe is fixedly connected to the third transmission shaft.

[0010] Further, preferably, one end of the first transmission shaft is rotatably engaged in the second through hole on a side of the dust removal box, and one end of the first transmission shaft is sleeved with a second pulley, and the second pulley is coupled with a third pulley through a second transmission belt, and the third pulley is sleeved with a third transmission shaft, and one end of the third transmission shaft is rotatably engaged in the third through hole on a side of the dust removal box.

[0011] Furthermore, preferably, one end of the third transmission shaft is fixedly connected to the second delivery pipe, one side of the outer surface of the second delivery pipe is connected to second nozzles arranged at equal intervals along the length direction, one side of the outer surface of the second nozzle is connected to second delivery hoses arranged at equal intervals along the length direction, one end of the second delivery hose is inserted into the interior of the second accommodating cavity, a second water control device is arranged inside the second accommodating cavity, and one end of the second delivery hose is connected to the second water control device, one end of the second delivery pipe is fixedly connected to the fourth transmission shaft, and one end of the third transmission shaft is rotatably fitted in the fourth through hole on a side of the dust removal box.

[0012] Further, preferably, a first baffle and a second baffle are fixedly connected on both sides of the upper portion of the dust removal box, and a first inclined plate and a second inclined plate are fixedly connected on both sides of the lower portion of the dust removal box, and the structural positions of the first water spray assembly and the second water spray assembly are the same.

[0013] Further, preferably, a first guide surface and a second guide surface are provided on both sides of the upper port of the sewage discharge channel.

[0014] Compared with the prior art, the present invention has the following beneficial effects: (1) The fully automatic pole-changing dust collector for shield machine disclosed in the present invention can completely flush both sides of the dust removal plate with the water sprayed from the first nozzle and the second nozzle when the first nozzle and the second nozzle rotate back and forth, which can effectively improve the flushing effect, ensure that the dust removal plate can normally absorb dust, improve work efficiency, and improve work function; (2) By providing the first conveying pipe and the second conveying pipe, the number of conveying pipes arranged vertically can be reduced, and the welding of the conveying pipes can be reduced, thereby reducing labor and costs; (3) By setting the first baffle and the second baffle, the two sides of the dust removal box can be automatically cleaned, which can ensure that the two sides of the dust removal box continue to remain clean, thereby improving the cleanliness and functionality.

[0015] (4) Through the guidance of the first inclined plate and the second inclined plate, the dirt remaining on the first guide surface and the second guide surface can be cleaned, thereby ensuring a high overall cleanliness level inside the dust removal box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a flow chart of a circulating dust removal system of a fully automatic pole-changing dust collector for a shield machine disclosed in the present invention; Figure 2 It is a schematic diagram of a dust removal box of a fully automatic pole-changing dust collector for a shield machine disclosed in the present invention; Figure 3 It is a partial enlarged view of the transmission rod of the fully automatic pole-changing dust collector of the shield machine disclosed in the present invention; Figure 4 It is a structural schematic diagram of a rack plate of a fully automatic pole-changing dust collector for a shield machine disclosed in the present invention; Figure 5 It is a structural schematic diagram of the first conveying pipe of the fully automatic pole-changing dust collector of the shield machine disclosed in the present invention; Figure 6 It is a structural schematic diagram of the first baffle of the fully automatic pole-changing dust collector of the shield machine disclosed in the present invention; Figure 7 It is a schematic diagram of the second transmission belt of the fully automatic pole-changing dust collector of the shield machine disclosed in the present invention; Figure 8 It is a structural schematic diagram of the first guide surface of the fully automatic pole-changing dust collector of a shield machine disclosed in the present invention.

[0018] Figure ID: 1-dust removal box, 11-inlet, 12-discharge outlet, 13-absorption device, 14-discharge device, 2-vibration device, 3-drainage channel, 31-first guide surface, 32-second guide surface, 4-DC high-voltage dust removal device, 5-filter device, 6-reciprocating mechanism, 61-motor, 62-rotating disk, 63-transmission rod, 64-transmission plate, 65-rack plate, 651-support plate, 6511-sliding groove, 652-gear, 653-first water spray assembly, 6531-first transmission shaft, 654-first pulley, 655-first transmission belt, 656-second pulley, 66-second water spray assembly, 661-second transmission shaft, 662-first delivery pipe, 6621-first nozzle, 6622-first delivery hose, 663-first accommodating chamber, 6631-second accommodating chamber, 664-third transmission shaft, 665-second pulley, 666-second transmission belt, 667-third pulley, 668-third transmission shaft, 669-second delivery pipe, 6691-second nozzle, 6692-second delivery hose, 6693-fourth transmission shaft, 67-first baffle, 671-second baffle, 68-first inclined plate, 681-second inclined plate. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] like Figure 1 As shown, combined Figure 2-8The embodiment of the present invention discloses a fully automatic pole-changing dust collector for a shield machine, comprising a dust removal box 1, an inlet 11, an outlet 12, an absorption device 13, a discharge device 14, a vibration device 2, a sewage channel 3, a DC high-voltage dust removal device 4 and a filtering device 5, wherein the dust removal box 1 is provided with an inlet 11 and a discharge port 12 on both sides along the length; an absorption device 13 is arranged in the inlet 11; a discharge device 14 is arranged in the discharge port 12; a vibration device 2 is arranged on the upper end surface of the dust removal box 1; a sewage channel 3 is arranged in the bottom of the dust removal box 1; a DC high-voltage dust removal device 4 is arranged inside the dust removal box 1; a filtering device 5 is arranged on one side along the length of the dust removal box 1; and a reciprocating mechanism 6 is arranged on one side along the length of the dust removal box 1.

[0021] The reciprocating mechanism 6 includes a motor 61 provided on one side of the dust removal box 1 along the length, the motor 61 is rotatably connected to a rotating disk 62 through a rotating shaft, a transmission rod 63 is fixedly connected to one side of the rotating disk 62, a transmission plate 64 is rotatably connected to the outer side of the transmission rod 63, and the transmission plate 64 is rotatably connected to a rack plate 65 through a fixed rod, the rack plate 65 is slidably fitted in a sliding groove 6511 provided on one side of the upper end surface of a support plate 651, and one side of the support plate 651 is fixed to one side of the dust removal box 1, and the rack plate 65 is slidably fitted in a sliding groove 6511 provided on one side of the upper end surface of a support plate 651, and one side of the support plate 651 is fixed to one side of the dust removal box 1, The strip 65 is meshed with a gear 652, and a first water spray assembly 653 is sleeved inside the gear 652. The first water spray assembly 653 includes a first transmission shaft 6531, one end of which is sleeved inside the gear 652, and a first pulley 654 is sleeved on one side of the first transmission shaft 6531 near the gear 652. The first pulley 654 is driven by a first transmission belt 655 and is matched with a second pulley 656. The second water spray assembly 66 is sleeved inside the second pulley 656. The starter motor 61 drives the rotating disk 62 to rotate clockwise, and the rotating disk 62 is driven by the force to drive the transmission rod 63 to rotate in a circle, such as Figure 3 As shown, it is the original state. Then, the transmission rod 63 gradually rotates counterclockwise, so that the transmission plate 64 is forced to push the rack plate 65 to one side. The rack plate 65 is forced to slide to one side inside the sliding groove 6511. At the same time, the rack plate 65 is engaged with the gear 652. The rack 652 is forced to drive the first transmission shaft 6531 to rotate on one side of the dust removal box 1 clockwise. The first transmission shaft 6531 is forced to drive the first pulley 654 to rotate clockwise. The first pulley 654 is forced to rotate clockwise through the first transmission belt 655 to the second pulley 656. The second pulley 656 is driven by the second transmission shaft 661 to rotate clockwise, which is beneficial to utilizing the power of the rotating disk 62 to realize the reciprocating motion of the first nozzle 6621 and the second nozzle 6691.

[0022] In this embodiment, the second water spray assembly 66 includes a second transmission shaft 661, one side of which is sleeved inside the second pulley 656, and one end of the second transmission shaft 661 is rotatably connected to a first through hole on a side of the dust removal box 1, and one end of the second transmission shaft 661 is fixedly connected to a first delivery pipe 662, one side of the outer surface of the first delivery pipe 662 is equidistantly arranged along the length direction and communicated with first nozzles 6621, and the other side of the outer surface of the first delivery pipe 662 is equidistantly arranged along the length direction and communicated with first delivery hoses 6622, a first accommodating chamber 663 and a second accommodating chamber 6631 are provided on both sides of the dust removal box 1, and one end of the first delivery hose 6622 is inserted into the first accommodating chamber 663, a first water control device is arranged inside the first accommodating chamber 663, one end of the first delivery hose 6622 is connected to the water control device, and one end of the first delivery pipe 662 is fixedly connected to a third transmission shaft 664. The second transmission shaft 661 is driven by the force to drive the first conveying pipe 662, the first nozzle 6621, and the third transmission shaft 664 in a clockwise manner. The third transmission shaft 664 is driven by the force to drive the second pulley 665 in a clockwise manner. The second pulley 665 is driven by the force to drive the third pulley 667 in a clockwise manner through the second transmission belt 666. The third pulley 667 is driven by the force to drive the third transmission shaft 68. The third transmission shaft 668 is driven by the force to drive the second conveying pipe 669, the second nozzle 6691, and the fourth transmission shaft in a clockwise manner. The first nozzle 6621 rotates downward, and the second nozzle 6691 rotates upward, showing opposite movements. At the same time, the first water spraying assembly 653 has the same working movement as the second water spraying assembly 66. At this time, the first water control assembly 66 is started. The first and second water control devices deliver water to the first delivery hose 6622 and the second delivery hose 6692, and then continue to guide and deliver water to the first delivery pipe 662, the first nozzle 6621, the second delivery pipe 669, and the second nozzle 6691 to flush the two sides of the dust removal plate. The diameter of the circular rotation of the transmission plate 64 is used to rotate the first nozzle 6621 and the second nozzle 6691 to 160 degrees. The first nozzle 6621 and the second nozzle 6691 rotate back and forth, so that the water sprayed from the first nozzle 6621 and the second nozzle 6691 can completely flush the two sides of the dust removal plate, which can effectively improve the flushing effect, ensure that the dust removal plate can normally adsorb dust, improve work efficiency, and improve work functions.

[0023] In this embodiment, one end of the first transmission shaft 664 is rotatably engaged in the second through hole on one side of the dust removal box 1, and one end of the first transmission shaft 664 is sleeved with a second pulley 665, and the second pulley 665 is coupled with a third pulley 667 through a second transmission belt 666, and a third transmission shaft 668 is sleeved inside the third pulley 667, and one end of the third transmission shaft 668 is rotatably engaged in the third through hole on one side of the dust removal box 1. It is beneficial to realize the work of rotating the second nozzle 669 160 degrees through the transmission of the second transmission belt 666.

[0024] In this embodiment, one end of the third transmission shaft 668 is fixedly connected to a second delivery pipe 669, one side of the outer surface of the second delivery pipe 669 is connected to second nozzles 6691 arranged equidistantly along the length direction, one side of the outer surface of the second nozzle 6691 is connected to second delivery hoses 6692 arranged equidistantly along the length direction, one end of the second delivery hose 6692 is inserted into the second accommodating cavity 6631, a second water control device is arranged inside the second accommodating cavity 6631, and one end of the second delivery hose 6692 is connected to the second water control device, one end of the second delivery pipe 669 is fixedly connected to a fourth transmission shaft 6693, and one end of the third transmission shaft 6693 is rotatably matched in a fourth through hole on a side of the dust removal box 1. It can reduce the number of vertically arranged delivery pipes, reduce the welding of the delivery pipes, reduce labor, and reduce costs.

[0025] In this embodiment, the first baffle 67 and the second baffle 671 are fixedly connected to the upper sides of the dust removal box 1, and the first inclined plate 68 and the second inclined plate 681 are fixedly connected to the lower sides of the dust removal box 1. The first water spray assembly 653 and the second water spray assembly 66 have the same structural position. After the first delivery pipe 662 and the second delivery pipe 669 are rotated upward by 80 degrees in turn, they will stay for about 10 to 15 seconds. During this period, the first nozzle 6621 sprays water onto the inner surface of the first baffle 47. The sprayed water will flow to the inner side of the dust removal box with the guidance of the first baffle 47. After the second nozzle 6691 is upward by 80 degrees, it will be sprayed onto the inner surface of the second baffle 471. The work is the same as above, so that the two sides of the dust removal box 1 can be automatically cleaned. Through the setting of the first baffle 47 and the second baffle 471, the two sides of the dust removal box 1 can be automatically cleaned, which can ensure that the two sides of the dust removal box 1 continue to be clean, thereby improving the cleanliness and functionality.

[0026] In this embodiment, the first guide surface 31 and the second guide surface 32 are provided on both sides of the upper port of the sewage channel 3. After the first conveying pipe 662 and the second conveying pipe 669 are rotated downward by 80 degrees in sequence, they will stay for about 10 to 15 seconds. During this period, the first nozzle 6621 sprays water to the upper end surface of the first inclined plate 68. The sprayed water will be guided to the first guide surface 31 along the upper end surface of the first inclined plate 68, and the dirt remaining on the first guide surface 31 can be washed. After the second nozzle 6691 is downward by 80 degrees, it is sprayed to the upper end surface of the second inclined plate 68. The work is the same as above. Through the guidance of the first inclined plate 68 and the second inclined plate 681, the dirt remaining on the first guide surface 31 and the second guide surface 32 can be cleaned, which can ensure the overall high cleanliness of the dust removal box 1. The cleaned water flows into the sewage channel 3.

[0027] The working principle of the present invention is: In the present invention, first, the dust-laden air is absorbed into the inlet 11 by the absorption device 13, and the dust-laden air is guided to the inside of the dust removal box 1 by the inlet 11. At this time, the dust removal plate on the DC high-voltage dust removal device 4 is started to absorb the dust in the air, and the dust is adsorbed on the two sides of the dust removal plate. Then, the dust-removed air is discharged to the outside through the discharge device 13, and it will pass through the filter device in the discharge port 12 and be dust-removed again. Thus, the dust-removed air is discharged, and the environment of the tunnel is gradually improved under the back and forth circulation of the air. During the circulation period, the dust removal plate will be fully adsorbed, and the vibration device 2 will be needed to vibrate the dust removal plate. After the vibration, the motor 61 is started to drive the rotating disk 62 to drive the transmission rod 63 to rotate in a circle clockwise, such as Figure 3 As shown, it is the original state. Then, the transmission rod 63 gradually rotates counterclockwise, allowing the transmission plate 64 to push the rack plate 65 to slide to one side in the sliding groove 6511. At the same time, the rack plate 65 is engaged with the gear 652. The rack 652 is forced to drive the first transmission shaft 6531 to rotate on one side of the dust removal box 1 in a clockwise manner. The first transmission shaft 6531 is forced to drive the first pulley 654 to rotate clockwise. The first pulley 654 is forced to be transmitted to the second pulley 656 through the first transmission belt 655 to rotate clockwise. The second pulley 656 is forced to drive the second transmission shaft 661 to rotate clockwise. The second transmission shaft 661 is forced to drive the first conveying pipe 662, the first nozzle 6621, and the third transmission shaft 664 in a clockwise manner. The third transmission shaft 664 is forced to drive the second pulley 665 in a clockwise manner. The second pulley 665 is forced to The third pulley 667 is driven clockwise by the second transmission belt 666, and the third pulley 667 is driven by the force on the third transmission shaft 68. The third transmission shaft 668 is driven clockwise by the force on the second delivery pipe 669, the second nozzle 6691, and the fourth transmission shaft, wherein the first nozzle 6621 rotates downward, and the second nozzle 6691 rotates upward, showing opposite movements. At the same time, the first water spray assembly 653 and the second water spray assembly 66 have the same working motion. At this time, the first water control device and the second water control device are started to deliver water to the first nozzle 6621 and the second nozzle 6691 through the first delivery hose 6622 and the second delivery hose 6692, thereby washing the two sides of the dust removal plate, and utilizing the diameter of the circular rotation of the transmission plate 64 to make the first nozzle 6621 and the second nozzle 6691 reciprocate to 160 degrees.

[0028] After the first delivery pipe 662 and the second delivery pipe 669 rotate upward by 80 degrees in turn, they will stay for about 10 to 15 seconds. During this period, the first nozzle 6621 sprays water onto the inner surface of the first baffle 47, and the sprayed water will flow to the inner side of the dust removal box under the guidance of the first baffle 47. After the second nozzle 6691 rotates upward by 80 degrees, it will be sprayed onto the inner surface of the second baffle 471, and the work is the same as above, thereby realizing automatic cleaning of the two sides of the interior of the dust removal box 1.

[0029] After the first delivery pipe 662 and the second delivery pipe 669 rotate downward 80 degrees in turn, they will stay for about 10 to 15 seconds. During this period, the first nozzle 6621 sprays water onto the upper end surface of the first slope 68, and the sprayed water will be guided to the first guide surface 31 along the upper end surface of the first inclined plate 68, so as to wash away the dirt remaining on the first guide surface 31. After the second nozzle 6691 rotates downward 80 degrees, it will spray onto the upper end surface of the second inclined plate 68. The water after cleaning flows into the sewage channel 3 in the same way as above, and the sewage channel 3 discharges the cleaned water.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully automatic pole-changing dust collector for a shield machine, comprising a dust removal box (1), an inlet (11), an outlet (12), an absorption device (13), a discharge device (14), a vibration device (2), a sewage discharge channel (3), a DC high-voltage dust removal device (4) and a filtering device (5), wherein: The dust removal box (1) is provided with an inlet (11) and an outlet (12) along two sides of its length; an absorption device (13) is arranged in the inlet (11); a discharge device (14) is arranged in the outlet (12); a vibration device (2) is arranged on the upper end surface of the dust removal box (1); a sewage discharge channel (3) is arranged at the bottom of the dust removal box (1); a DC high-voltage dust removal device (4) is arranged inside the dust removal box (1); a filtering device (5) is arranged along one side of the length of the dust removal box (1), and is characterized in that: a reciprocating mechanism (6) is arranged along one side of the length of the dust removal box (1).

2. The fully automatic pole-changing dust collector for a shield machine as claimed in claim 1, characterized in that: The reciprocating mechanism (6) comprises a motor 61 provided on one side of the length of the dust removal box (1); the motor (61) is rotatably connected to a rotating disk (62) via a rotating shaft; a transmission rod (63) is fixedly connected to one side of the rotating disk (62); a transmission plate (64) is rotatably connected to the outer side of the transmission rod (63); the transmission plate (64) is rotatably connected to a rack plate (65) via a fixed rod; the rack plate (65) is slidably fitted in a sliding groove (6511) provided on one side of an upper end surface of a support plate (651); one side of the support plate (651) is fixed to one side of the dust removal box (1); and the rack The plate (65) is meshed with a gear (652), a first water spray assembly (653) is sleeved inside the gear (652), and the first water spray assembly (653) includes a first transmission shaft (6531), one end of the first transmission shaft (6531) is sleeved inside the gear (652), and a first pulley (654) is sleeved on a side surface of one end of the first transmission shaft (6531) close to the gear (652), and the first pulley (654) is driven by a first transmission belt (655) and is matched with a second pulley (656), and a second water spray assembly (66) is sleeved inside the second pulley (656).

3. The fully automatic pole-changing dust collector for a shield machine as claimed in claim 2, characterized in that: The second water spray assembly (66) comprises a second transmission shaft (661), one side of the second transmission shaft (661) is sleeved inside the second pulley (656), one end of the second transmission shaft (661) is rotatably connected to a first through hole on a side of the dust removal box (1), and one end of the second transmission shaft (661) is fixedly connected to a first delivery pipe (662), one side of the outer surface of the first delivery pipe (662) is equidistantly arranged along the length direction and communicates with first nozzles (6621), and the other side of the outer surface of the first delivery pipe (662) is A first delivery hose (6622) is arranged equidistantly along the length direction and communicates with each other; a first accommodating chamber (663) and a second accommodating chamber (6631) are provided on both sides of the dust removal box (1); one end of the first delivery hose (6622) is inserted into the interior of the first accommodating chamber (663); a first water control device is provided inside the first accommodating chamber (663); one end of the first delivery hose (6622) is connected to the water control device; and one end of the first delivery hose (662) is fixedly connected to a third transmission shaft (664).

4. The fully automatic pole-changing dust collector for a shield machine as claimed in claim 3, characterized in that: One end of the first transmission shaft (664) is rotatably engaged in a second through hole on a side surface of the dust removal box (1), and one end of the first transmission shaft (664) is sleeved with a second pulley (665), and the second pulley (665) is driven by a second transmission belt (666) and is sleeved with a third pulley (667), a third transmission shaft (668) is sleeved inside the third pulley (667), and one end of the third transmission shaft (668) is rotatably engaged in a third through hole on a side surface of the dust removal box (1).

5. The fully automatic pole-changing dust collector for a shield machine as claimed in claim 4, characterized in that: One end of the third transmission shaft (668) is fixedly connected to a second delivery pipe (669); one side of the outer surface of the second delivery pipe (669) is connected to second nozzles (6691) arranged at equal intervals along the length direction; one side of the outer surface of the second nozzle (6691) is connected to a second delivery hose (6692) arranged at equal intervals along the length direction; one end of the second delivery hose (6692) is inserted into the interior of the second accommodating chamber (6631); a second water control device is provided inside the second accommodating chamber (6631); one end of the second delivery hose (6692) is connected to the second water control device; one end of the second delivery pipe (669) is fixedly connected to a fourth transmission shaft (6693); one end of the third transmission shaft (6693) is rotatably engaged in a fourth through hole on a side surface of the dust removal box (1).

6. The fully automatic pole-changing dust collector for a shield machine according to claim 1, characterized in that: A first baffle (67) and a second baffle (671) are fixedly connected to both sides of the upper inner portion of the dust removal box (1), and a first inclined plate (68) and a second inclined plate (681) are fixedly connected to both sides of the lower inner portion of the dust removal box (1), and the first water spray assembly (653) and the second water spray assembly (66) have the same structural position.

7. The fully automatic pole-changing dust collector for a shield machine according to claim 1, characterized in that: A first guide surface (31) and a second guide surface (32) are provided on both sides of the upper end of the sewage discharge channel (3).

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