CN113267437A - Subway tunnel dust detection device - Google Patents

Subway tunnel dust detection device Download PDF

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Publication number
CN113267437A
CN113267437A CN202110526953.1A CN202110526953A CN113267437A CN 113267437 A CN113267437 A CN 113267437A CN 202110526953 A CN202110526953 A CN 202110526953A CN 113267437 A CN113267437 A CN 113267437A
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China
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fixedly connected
dust
detection device
subway tunnel
box
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CN202110526953.1A
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CN113267437B (en
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王振华
吴波
李栋伟
袁昌
王天源
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East China Institute of Technology
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East China Institute of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The invention discloses a subway tunnel dust detection device which comprises a track box, wherein a motor is connected with the gear in a transmission manner, a supporting component is fixedly connected to the bottom of the motor, a dust detector and a data transmission box are fixedly connected to the bottom of a supporting plate, a protective cover is fixedly connected to the bottom of the track box, a dust removal device is fixedly connected to the bottom of a movable plate, and a mounting and fixing component is fixedly connected to the upper surface of the track box. This subway tunnel dust detection device, through the setting of gear and rack, reached and to have used less dust detector to carry out the purpose that detects, reduced the detection cost, through the setting of protection casing and dust cover, the strong purpose of protective capacities has been reached, through the setting of the fixed subassembly of installation, prevent that this subway tunnel dust detection device is not hard up, the purpose that needs often maintain, the rectifying groove of seting up through the surface of dust cover can reduce the windage, reduce the influence of air current to the device.

Description

Subway tunnel dust detection device
Technical Field
The invention relates to the technical field of dust detection, in particular to a dust detection device for a subway tunnel.
Background
With the development and population growth of cities, urban subways are continuously built and expanded to become main transportation means of large cities, and the environmental conditions inside the subways are more and more concerned by people. In, for example, tunnel construction, excavation, rock drilling and the like produce a large amount of dust particles. In such an environment, visibility becomes very low, and other operations such as vehicle transportation cannot be performed in synchronization. Moreover, a large amount of dust particles also pose a great threat to the health of constructors. Therefore, dust detection and dust removal work for the air in the tunnel are required.
The existing tunnel dust detection device has the following defects: the dust detector has the advantages that firstly, the number of the dust detectors is large, the cost is large, secondly, the detection device in a large and large time only has general detection capability and does not have processing capability in emergency, dust cannot be timely settled after dust exceeding is found, accidents are easy to happen, thirdly, the fixed protection capability is weak, and air flow generated during subway operation can affect the device.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a dust detection device for a subway tunnel, which has the advantages of reducing the use of a dust detector, reducing the cost, finding dust, processing the dust in time, having strong protection and shock absorption capabilities and the like, and solves the problems in the background art.
(II) technical scheme
In order to realize the purposes of reducing the cost, finding dust, processing the dust in time and having strong protection and shock absorption capacity, the invention provides the following technical scheme: a subway tunnel dust detection device comprises a track box, wherein a rack is fixedly connected to the inner bottom wall of the track box, a gear is meshed and connected to one side of the rack, the gear is connected with a motor in a transmission manner, a supporting part is fixedly connected to the bottom of the motor, a dust cover is fixedly connected to the outer surface of the track box, a rectifying groove is formed in the outer surface of the dust cover, a supporting plate is fixedly connected to the bottom of the supporting part, a dust detector and a data transmission box are fixedly connected to the bottom of the supporting plate, a protective cover is fixedly connected to the bottom of the track box, a ventilating groove is formed in the surface of the protective cover, an axle seat is fixedly connected to the bottom surface of the track box, a transmission lead screw is rotatably connected to the inside of the axle seat, a movable plate is connected to the surface of the transmission lead screw in a threaded manner, and a dust removal device is fixedly connected to the bottom of the movable plate, the dust removal device is composed of a fan, a dust suction hopper and a filter box, and the upper surface of the track box is fixedly connected with an installation fixing component.
Preferably, the inner wall of the track box is provided with two steering switches, the two steering switches are arranged at two ends of the inner wall of the track box, and the steering switches are electrically connected with the motor.
Preferably, the supporting component is composed of a motor base plate and a fixing column, a groove is formed in the lower portion of the outer surface of the track box, the motor base plate is arranged inside the groove, a through groove is formed in the inner bottom wall of the groove, the fixing column is arranged inside the through groove, the upper end of the fixing column is fixedly connected with the bottom of the motor base plate, and the bottom of the fixing column is fixedly connected with the surface of the supporting plate.
Preferably, a position sensor is arranged on the surface of the supporting plate, a position receiver is arranged on the surface of the moving plate, and the position sensor and the position receiver are both in conductive connection with a remote terminal.
Preferably, one end of the transmission screw is fixedly connected with a transmission motor, the transmission motor is fixedly connected with the inner bottom wall of the track box, the bottom of the track box is provided with a sliding groove, and the upper end of the moving plate is in sliding connection with the sliding groove.
Preferably, the fan is fixedly connected with the bottom of the movable plate, an air inlet of the fan is fixedly connected with the dust collection hopper, a dust inlet of the dust collection hopper is formed in the bottom of the dust collection hopper, and an air outlet of the fan is inserted into the filter box through a pipeline.
Preferably, the inside of rose box is provided with the filter layer, the rose box is connected for dismantling with the movable plate, one side of protection casing articulates there is the dodge gate.
Preferably, the installation fixing assembly consists of a fixing seat, a damping mechanism, a connecting plate and expansion bolts, the installation fixing assembly is distributed on the upper surface of the track box in a linear array mode, and the fixing seat is fixedly connected with the upper surface of the track box.
Preferably, damper comprises damping spring, sleeve and inserted bar, telescopic bottom and the last fixed surface of fixing base are connected, the upper end of inserted bar and the bottom surface fixed connection of connecting plate, damping spring's both ends respectively with the upper surface of fixing base and the bottom surface fixed connection of connecting plate, sleeve and inserted bar set up the inside at damping spring, expansion bolts and the last fixed surface of connecting plate are connected.
(III) advantageous effects
Compared with the prior art, the invention provides a subway tunnel dust detection device, which has the following beneficial effects:
1. this subway tunnel dust detection device, setting through gear and rack, drive the gear through the motor and remove on the rack when using, make dust detector remove along the rack, make subway tunnel dust detection device possess the ability that can adjust the detection position, reached and to have used less dust detector to carry out the purpose that detects, the detection cost has been reduced, setting through protection casing and dust cover, prevent that the outside from causing the damage to dust detector through the protection casing when using, prevent the inside that the dust got into box track case through the dust cover, destroy the lubrication of inside gear and rack toothing department, cause gear and rack to rust easily, the mesh that protective capacities is strong has been reached.
2. This subway tunnel dust detection device, through the setting of the fixed subassembly of installation, carry out shock attenuation processing by the inside damper of the fixed subassembly of installation, prevent to cause the influence because of outside air current is fixed to whole device, reached and improved shock-absorbing capacity, prevent that this subway tunnel dust detection device is not hard up, the purpose that needs often to carry out the maintenance, the fairing groove of seting up through the surface of dust cover can reduce the windage, flow the ability to the air current and increase, reduce the influence of air current to the device.
Drawings
FIG. 1 is a schematic view of an internal structure of a dust detection device for a subway tunnel according to the present invention;
FIG. 2 is a schematic front view of a dust detection device for a subway tunnel according to the present invention;
FIG. 3 is a schematic diagram of a right-side view structure of a dust detection device for a subway tunnel according to the present invention;
FIG. 4 is a cross-sectional enlarged view of part A in FIG. 1 of the subway tunnel dust detection device provided by the present invention;
FIG. 5 is an enlarged cross-sectional view of part B in FIG. 1 of the subway tunnel dust detection apparatus according to the present invention;
fig. 6 is a three-dimensional schematic diagram of the interior of a rail box and a protective cover of the dust detection device for the subway tunnel.
In the figure: 1. a track box; 2. a rack; 3. a gear; 4. a motor; 5. a support member; 501. a motor base plate; 502. fixing a column; 6. a dust cover; 7. a support plate; 8. a dust detector; 9. a data transfer box; 10. a protective cover; 11. a shaft seat; 12. a drive screw; 13. moving the plate; 14. a fan; 15. a dust suction hopper; 16. a filter box; 17. a steering switch; 18. a groove; 19. a position sensor; 20. a position receiver; 21. a drive motor; 22. a movable door; 23. a fixed seat; 24. a connecting plate; 25. an expansion bolt; 26. a damping spring; 27. a sleeve; 28. and (4) inserting the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a dust detection device for a subway tunnel comprises a track box 1, a rack 2 is fixedly connected to the inner bottom wall of the track box 1, a gear 3 is engaged and connected to one side of the rack 2, the gear 3 is connected to a motor 4 in a transmission manner, two steering switches 17 are arranged on the inner wall of the track box 1, the two steering switches 17 are arranged at two ends of the inner wall of the track box 1, the steering switches 17 are electrically connected to the motor 4, a supporting member 5 is fixedly connected to the bottom of the motor 4, the supporting member 5 is composed of a motor backing plate 501 and fixing posts 502, a groove 18 is formed in the lower portion of the outer surface of the track box 1, the motor backing plate 501 is arranged inside the groove 18, a through groove is formed in the inner bottom wall of the groove 18, the fixing posts 502 are arranged inside the through groove, the upper ends of the fixing posts 502 are fixedly connected to the bottom of the motor backing plate 501, and the bottoms of the fixing posts 502 are fixedly connected to the surface of a supporting plate 7, the outer surface of the track box 1 is fixedly connected with a dust cover 6, the outer surface of the dust cover 6 is provided with a rectifying groove, the bottom of the supporting component 5 is fixedly connected with a supporting plate 7, the surface of the supporting plate 7 is provided with a position sensor 19, the surface of a moving plate 13 is provided with a position receiver 20, the position sensor 19 and the position receiver 20 are both in conductive connection with a remote terminal, the bottom of the supporting plate 7 is fixedly connected with a dust detector 8 and a data transmission box 9, the bottom of the track box 1 is fixedly connected with a protective cover 10, the surface of the protective cover 10 is provided with a ventilating groove, the bottom surface of the track box 1 is fixedly connected with a shaft seat 11, the inside of the shaft seat 11 is rotatably connected with a transmission lead screw 12, the surface of the transmission lead screw 12 is in threaded connection with the moving plate 13, one end of the transmission lead screw 12 is fixedly connected with a transmission motor 21, the transmission motor 21 is fixedly connected with the inner bottom wall of the track box 1, and the bottom of the track box 1 is provided with a sliding groove, the upper end of the movable plate 13 is connected with the chute in a sliding manner, the bottom of the movable plate 13 is fixedly connected with a dust removal device, the dust removal device comprises a fan 14, a dust collection hopper 15 and a filter box 16, the fan 14 is fixedly connected with the bottom of the movable plate 13, an air inlet of the fan 14 is fixedly connected with the dust collection hopper 15, a dust inlet of the dust collection hopper 15 is arranged at the bottom of the dust collection hopper, an air outlet of the fan 14 is inserted into the filter box 16 through a pipeline, a filter layer is arranged inside the filter box 16, the filter box 16 is detachably connected with the movable plate 13, one side of the protective cover 10 is hinged with a movable door 22, the upper surface of the track box 1 is fixedly connected with an installation and fixation assembly, the installation and fixation assembly comprises a fixed seat 23, a damping mechanism, a connecting plate 24 and an expansion bolt 25, the installation and fixation assembly is distributed on the upper surface of the track box 1 in a linear array manner, and the fixed seat 23 is fixedly connected with the upper surface of the track box 1, damping mechanism comprises damping spring 26, sleeve 27 and inserted bar 28, and the bottom of sleeve 27 and the last fixed surface of fixing base 23 are connected, and the upper end of inserted bar 28 and the bottom surface fixed connection of connecting plate 24, damping spring 26's both ends respectively with the upper surface of fixing base 23 and the bottom surface fixed connection of connecting plate 24, sleeve 27 and inserted bar 28 set up the inside at damping spring 26, expansion bolts 25 and the last fixed surface of connecting plate 24 are connected.
When the device is used, the device is firstly installed on the inner top wall of a subway tunnel through the installation fixing component, then the motor 4 is started, the motor 4 drives the gear 3 to rotate, the gear 3 drives the motor 4 to move along the direction of the rack 2 due to the fact that the rack 2 is fixedly connected when rotating, the motor 4 drives the dust detector 8 and the data transmission box 9 at the bottom to move when moving, remote detection can be carried out, the motor 4 touches the steering switch 17 when reaching the two ends of the track box 1, the motor 4 can be rotated through the steering switch 17, the motor 4 can drive the dust detector 8 and the data transmission box 9 to move back and forth, the detection position can be changed, detected data are transmitted to a remote terminal through the data transmission box 9, after dust in the subway tunnel exceeds a certain value, the position sensor 19 and the position receiver 20 are started, can long-range drive motor 21 start, drive motor 21 drives drive screw 12 and rotates, drive screw 12 drives movable plate 13 and slides in the inside of spout, start fan 14 after reacing appointed position, fan 14 can carry out the dust absorption to this position and handle, filter through rose box 16, after removing dust, remove dust collector to one side of drive motor 21 through drive motor 21, when the subway passes through, great change can take place for inside air current, carry out quick mediation to the air current through the rectifier tank, reduce the influence of air current to the device, setting through damping spring 26, can effectual shock attenuation, it is not hard up to prevent that the fixed subassembly of installation from taking place, improve its fixity.
In conclusion, the subway tunnel dust detection device has the advantages that through the arrangement of the gear 3 and the rack 2, the gear 3 is driven by the motor 4 to move on the rack 2 when the subway tunnel dust detection device is used, the dust detector 8 moves along the rack 2, the subway tunnel dust detection device has the capability of adjusting the detection position, the purpose of detecting by using less dust detectors 8 is achieved, the detection cost is reduced, through the arrangement of the protective cover 10 and the dust cover 6, the dust detector 8 is prevented from being damaged by the outside through the protective cover 10 when the subway tunnel dust detection device is used, the dust is prevented from entering the inside of the track box 1 through the dust cover 6, the lubrication of the meshing part of the gear 3 and the rack 2 inside is damaged, the gear 3 and the rack 2 are easy to rust, the purpose of strong protection capability is achieved, through the arrangement of the installation and fixation assembly, the shock absorption mechanism inside the installation and fixation assembly is used for shock absorption treatment, prevent to cause the influence because of outside air current to the fixed of whole device, reached and improved shock-absorbing capacity, prevent that this subway tunnel dust detection device is not hard up, need often carry out the purpose of maintenance, the fairing groove of seting up through the surface of dust cover 6 can reduce the windage, increases the ability that flows of air current, reduces the influence of air current to the device.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a subway tunnel dust detection device, includes track case (1), its characterized in that: the inner bottom wall of the track box (1) is fixedly connected with a rack (2), one side of the rack (2) is meshed with a gear (3), the gear (3) is connected with a motor (4) in a transmission manner, the bottom of the motor (4) is fixedly connected with a supporting component (5), the outer surface of the track box (1) is fixedly connected with a dust cover (6), the outer surface of the dust cover (6) is provided with a rectifying groove, the bottom of the supporting component (5) is fixedly connected with a supporting plate (7), the bottom of the supporting plate (7) is fixedly connected with a dust detector (8) and a data transmission box (9), the bottom of the track box (1) is fixedly connected with a protective cover (10), the surface of the protective cover (10) is provided with a ventilating groove, the bottom surface of the track box (1) is fixedly connected with a shaft seat (11), and the inner part of the shaft seat (11) is rotatably connected with a transmission lead screw (12), the surface threaded connection of transmission lead screw (12) has movable plate (13), the bottom fixedly connected with dust collector of movable plate (13), dust collector comprises fan (14), dust absorption fill (15) and rose box (16), the fixed subassembly of installation is connected with to the upper surface fixed of track case (1).
2. The subway tunnel dust detection device of claim 1, characterized in that: the inner wall of track case (1) is provided with steering switch (17), steering switch (17) are provided with two, two steering switch (17) set up the both ends at track case (1) inner wall, steering switch (17) and motor (4) conductive connection.
3. The subway tunnel dust detection device of claim 1, characterized in that: the supporting component (5) is composed of a motor base plate (501) and a fixing column (502), a groove (18) is formed in the lower portion of the outer surface of the track box (1), the motor base plate (501) is arranged inside the groove (18), a through groove is formed in the inner bottom wall of the groove (18), the fixing column (502) is arranged inside the through groove, the upper end of the fixing column (502) is fixedly connected with the bottom of the motor base plate (501), and the bottom of the fixing column (502) is fixedly connected with the surface of the supporting plate (7).
4. The subway tunnel dust detection device of claim 1, characterized in that: the surface of the supporting plate (7) is provided with a position sensor (19), the surface of the moving plate (13) is provided with a position receiver (20), and the position sensor (19) and the position receiver (20) are both in conductive connection with a remote terminal.
5. The subway tunnel dust detection device of claim 1, characterized in that: one end of the transmission lead screw (12) is fixedly connected with a transmission motor (21), the transmission motor (21) is fixedly connected with the inner bottom wall of the track box (1), a sliding groove is formed in the bottom of the track box (1), and the upper end of the moving plate (13) is in sliding connection with the sliding groove.
6. The subway tunnel dust detection device of claim 1, characterized in that: the fan (14) is fixedly connected with the bottom of the movable plate (13), an air inlet of the fan (14) is fixedly connected with the dust absorption hopper (15), a dust inlet of the dust absorption hopper (15) is formed in the bottom of the dust absorption hopper, and an air outlet of the fan (14) is inserted into the filter box (16) through a pipeline.
7. The subway tunnel dust detection device of claim 6, wherein: the inside of rose box (16) is provided with the filter layer, rose box (16) and movable plate (13) are for dismantling to be connected, one side of protection casing (10) articulates there is dodge gate (22).
8. The subway tunnel dust detection device of claim 1, characterized in that: the installation fixing component is composed of a fixing seat (23), a damping mechanism, a connecting plate (24) and expansion bolts (25), the installation fixing component is distributed on the upper surface of the track box (1) in a linear array mode, and the fixing seat (23) is fixedly connected with the upper surface of the track box (1).
9. The subway tunnel dust detection device of claim 8, wherein: damper comprises damping spring (26), sleeve (27) and inserted bar (28), the bottom of sleeve (27) is connected with the last fixed surface of fixing base (23), the upper end of inserted bar (28) and the bottom surface fixed connection of connecting plate (24), damping spring's (26) both ends respectively with the upper surface of fixing base (23) and the bottom surface fixed connection of connecting plate (24), sleeve (27) and inserted bar (28) set up the inside at damping spring (26), expansion bolt (25) are connected with the last fixed surface of connecting plate (24).
CN202110526953.1A 2021-05-14 2021-05-14 Subway tunnel dust detection device Active CN113267437B (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110016574A (en) * 2009-08-12 2011-02-18 서울메트로 Apparatus and method for dust cut in subway ternal
CN105972324A (en) * 2016-06-08 2016-09-28 洛阳海惠新材料股份有限公司 Wall damping device of ethylene glycol antimony raw material conveying pipeline
CN205620272U (en) * 2016-05-20 2016-10-05 云南方源科技有限公司 Intelligent subway tunnel dust monitoring devices
CN205973569U (en) * 2016-08-04 2017-02-22 河南省中原起重机械有限公司 A dustproof electric block for single -beam crane
CN207163769U (en) * 2017-08-30 2018-03-30 中天道成(苏州)洁净技术有限公司 Airborne dust collects detection device
CN208187921U (en) * 2018-06-11 2018-12-04 浙江德恒检测科技有限公司 A kind of dust determination device used for dust allergy personnel
CN208350576U (en) * 2018-06-25 2019-01-08 江苏吉华电子科技有限公司 A kind of dust monitor with dust-absorbing function
CN109228740A (en) * 2017-07-11 2019-01-18 河北艾业科技发展有限公司 A kind of blackboard for preventing dust from splashing
CN210238498U (en) * 2019-07-12 2020-04-03 中南大学 Energy-absorbing and shock-absorbing anchor rod and anchor head device
CN213041693U (en) * 2020-06-18 2021-04-23 陈明信 Tunnel dust detection device
CN213151394U (en) * 2020-09-25 2021-05-07 纪凯凯 Electrical equipment protection mechanism

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110016574A (en) * 2009-08-12 2011-02-18 서울메트로 Apparatus and method for dust cut in subway ternal
CN205620272U (en) * 2016-05-20 2016-10-05 云南方源科技有限公司 Intelligent subway tunnel dust monitoring devices
CN105972324A (en) * 2016-06-08 2016-09-28 洛阳海惠新材料股份有限公司 Wall damping device of ethylene glycol antimony raw material conveying pipeline
CN205973569U (en) * 2016-08-04 2017-02-22 河南省中原起重机械有限公司 A dustproof electric block for single -beam crane
CN109228740A (en) * 2017-07-11 2019-01-18 河北艾业科技发展有限公司 A kind of blackboard for preventing dust from splashing
CN207163769U (en) * 2017-08-30 2018-03-30 中天道成(苏州)洁净技术有限公司 Airborne dust collects detection device
CN208187921U (en) * 2018-06-11 2018-12-04 浙江德恒检测科技有限公司 A kind of dust determination device used for dust allergy personnel
CN208350576U (en) * 2018-06-25 2019-01-08 江苏吉华电子科技有限公司 A kind of dust monitor with dust-absorbing function
CN210238498U (en) * 2019-07-12 2020-04-03 中南大学 Energy-absorbing and shock-absorbing anchor rod and anchor head device
CN213041693U (en) * 2020-06-18 2021-04-23 陈明信 Tunnel dust detection device
CN213151394U (en) * 2020-09-25 2021-05-07 纪凯凯 Electrical equipment protection mechanism

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