CN215890075U - Tunnel bores and explodes dust collector - Google Patents
Tunnel bores and explodes dust collector Download PDFInfo
- Publication number
- CN215890075U CN215890075U CN202122006114.5U CN202122006114U CN215890075U CN 215890075 U CN215890075 U CN 215890075U CN 202122006114 U CN202122006114 U CN 202122006114U CN 215890075 U CN215890075 U CN 215890075U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- water
- assembly
- installation box
- lifting platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Special Spraying Apparatus (AREA)
Abstract
The application relates to a tunnel drilling and blasting dust removal device which comprises an installation box and a water spraying assembly arranged in the installation box, wherein the water spraying assembly comprises a water storage tank fixedly installed in the installation box, a high-pressure water pump communicated with the water storage tank, a lifting platform fixedly installed on the top surface of the installation box and a water mist spray head fixedly installed on the lifting platform and communicated with the high-pressure water pump; the device comprises a mounting box, a lifting platform, a driving device, a swinging component and a control device, wherein the mounting box is connected with the lifting platform, the driving device is used for driving the lifting platform to change the angle, the swinging component is arranged in the water spray nozzle and drives the water spray nozzle to swing in a reciprocating mode in the horizontal direction, and the swinging component comprises a supporting rod fixedly connected to the bottom end of the mounting box. This application has the effect that reduces dust collector water spray angle and has the dead angle to improve dust collection efficiency.
Description
Technical Field
The application relates to the field of dust removal devices for tunnel engineering, in particular to a dust removal device for tunnel drilling and blasting.
Background
The tunnel is a key project in road construction, common excavation methods of the tunnel comprise a drilling and blasting method, a shield method, a tunneling machine method and the like, the drilling and blasting method is high in adaptability to geological conditions and low in excavation cost, and the method is particularly suitable for construction of hard rock tunnels, broken rock tunnels and a large number of short tunnels.
Current dust collector includes the install bin, rotates the wheel of connecting in the install bin bottom, sets up at the inside storage water tank and the water pump of install bin, respectively fixed mounting in the install bin both sides and a plurality of shower nozzles of front end, the end and the storage water tank intercommunication of intaking of water pump, the play water end and the shower nozzle intercommunication of water pump.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the water spray angle of the spray head has dead angles, dust above the dust removal device is difficult to spray by water, and the dust removal effect is poor.
SUMMERY OF THE UTILITY MODEL
There is the dead angle in order to improve dust collector water spray angle and leads to the relatively poor problem of dust removal effect, this application provides a tunnel bores and explodes dust collector.
The application provides a tunnel bores and explodes dust collector adopts following technical scheme:
a tunnel drilling and blasting dust removal device comprises an installation box and a water spraying assembly arranged in the installation box, wherein the water spraying assembly comprises a water storage tank fixedly installed in the installation box, a high-pressure water pump communicated with the water storage tank, a lifting platform fixedly installed on the top surface of the installation box and a water spray nozzle fixedly installed on the lifting platform and communicated with the high-pressure water pump;
the device comprises a mounting box, a lifting platform, a driving device, a swinging component and a control device, wherein the mounting box is connected with the lifting platform, the driving device is used for driving the lifting platform to change the angle, the swinging component is arranged in the water spray nozzle and drives the water spray nozzle to swing in a reciprocating mode in the horizontal direction, and the swinging component comprises a supporting rod fixedly connected to the bottom end of the mounting box.
Through adopting above-mentioned technical scheme, the water smoke shower nozzle sprays the water atomization, and swing subassembly makes the water smoke shower nozzle reciprocate to swing on the horizontal direction, can adjust the inclination of elevating platform through the tilting gearing, and water smoke can be followed more angles and more wide range blowout, reduces the dead angle that the water smoke shower nozzle can not spout the water smoke, improves dust collector's dust removal effect.
Optionally, the tilting device includes the support column that articulates in one of elevating platform and the electric hydraulic pressure push rod of swing joint on the other end of elevating platform, electric hydraulic pressure push rod's bottom fixed connection is at the elevating platform, and electric hydraulic pressure push rod's top articulates there is the removal round bar, has seted up the confession on the elevating platform remove round bar male bar groove, remove the round bar can the bar inslot removes.
Through adopting above-mentioned technical scheme, the electronic hydraulic push rod of operation makes the one end of elevating platform rise or descend, removes the round bar and slides in the bar inslot, can conveniently adjust the inclination of elevating platform.
Optionally, the water mist nozzle further comprises a housing fixedly connected with the swing assembly and provided with an opening, a fan assembly arranged in the housing and rotatably connected with the swing assembly, and an annular water pipe fixedly installed at the opening of the housing, wherein an atomizer is fixedly installed on the annular water pipe; the annular water pipe is communicated with the high-pressure water pump.
Through adopting above-mentioned technical scheme, during high pressure water pump transported water to annular water pipe, the atomizer atomized water, and fan assembly can conveniently blow out water smoke.
Optionally, the fan assembly includes a rotating motor fixedly connected to the inner wall of the housing, a rotating shaft with one end fixedly connected to an output shaft of the rotating motor, and a fan head fixedly connected to the other end of the rotating shaft.
By adopting the technical scheme, the rotating motor is operated, so that the rotating shaft drives the fan head to rotate, and the water mist can be conveniently blown out.
Optionally, the swing assembly further comprises a supporting block fixedly connected to the top end of the supporting rod, a connecting block hinged to one end of the supporting block, a worm wheel connected to one end of the connecting block in a rotating mode, a worm meshed with the worm wheel and sleeved with the worm wheel, a rotating strip fixedly connected to the circle center of the worm wheel at one end, and a swing strip hinged to the other end of the rotating strip, the other end of the swing strip is hinged to the supporting block, the rotating strip and the worm wheel rotate synchronously, the rotating shaft is connected to the connecting block in a rotating mode, a fixing rod is fixedly connected to the connecting block, and the fixing rod is fixedly connected to the inner wall of the shell.
By adopting the technical scheme, the rotating shaft drives the worm to rotate, the worm wheel drives the rotating strip to rotate, the swinging strip swings to form the eccentric wheel mechanism, and the rotating shaft swings to drive the water mist spray head to swing.
Optionally, still include the mounting panel the bottom fixed mounting of mounting panel has power component, power component include one end and mounting panel fixed connection's bumper shock absorber, with bumper shock absorber other end fixed connection's bottom plate and with bottom plate bottom surface fixed mounting's removal wheel.
Through adopting above-mentioned technical scheme, remove the wheel and can conveniently make dust collector remove in the tunnel, the bumper shock absorber makes dust collector remove more steadily when removing in the tunnel simultaneously.
Optionally, a power motor is fixedly mounted on the bottom plate, an output shaft of the power motor is fixedly connected with a driving sprocket, the moving wheel comprises two power wheels arranged at one end of the bottom plate, a power shaft is fixedly connected between the two power wheels, a driven sprocket is fixedly connected to the power shaft, and the driving sprocket is connected with the driven sprocket through a transmission chain.
By adopting the technical scheme, the power motor is operated to drive the driving wheel to rotate, and the power shaft and the power wheel are driven to rotate through the transmission chain and the driven wheel, so that the dust removal device can be conveniently moved.
Optionally, the power supply further comprises an electric control assembly, wherein the electric control assembly comprises a storage battery and a control box which are fixedly installed in the installation box, and the storage battery and the control box are electrically connected with power consumption components.
By adopting the technical scheme, the power consumption components in the dust removal device can be conveniently operated or stopped through the control box.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the installation box, the lifting platform and the water mist spray heads, the water mist can be sprayed out from more angles and in a larger range, so that dead angles of the water mist spray heads, which cannot spray the water mist, are reduced, and the dust removal effect of the dust removal device is improved;
by arranging the shock absorber, the dust removal device can move more stably in the tunnel;
by arranging the power motor, the driving chain wheel, the driven chain wheel, the power shaft and the power wheel, the dust removal device can be conveniently moved by operating the power motor.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of the dust removing device.
Fig. 2 is a schematic structural diagram of a first view angle of the dust removing device.
Fig. 3 is a sectional view of the dust removing device.
Fig. 4 is a schematic structural view of the water mist head.
Description of reference numerals: 1. mounting a plate; 2. a power assembly; 21. a shock absorber; 22. a base plate; 23. a power motor; 231. a drive sprocket; 232. a protective shell; 24. a universal wheel; 25. a power wheel; 251. a power shaft; 252. a driven sprocket; 3. installing a box; 31. a handle; 32. a separator plate; 4. a water spray assembly; 41. a water storage tank; 42. a high pressure water pump; 421. a water inlet pipe; 422. a high pressure water pipe; 43. a lifting platform; 431. a support pillar; 432. a strip-shaped groove; 433. moving the round bar; 434. an electric hydraulic push rod; 44. a water mist spray head; 441. an annular water pipe; 442. an atomizer; 443. a housing; 444. a fan assembly; 4441. a fan head; 4442. a rotating shaft; 4443. a rotating electric machine; 445. a swing assembly; 4451. a support bar; 4452. a support block; 4453. connecting blocks; 4454. a worm gear; 4455. a worm; 4456. rotating the strip; 4457. a swing bar; 4458. fixing the rod; 5. an electronic control assembly; 51. a storage battery; 52. and a control box.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses tunnel bores and explodes dust collector. Referring to fig. 1, the dust removing device includes a mounting plate 1, a power assembly 2 fixedly connected to a bottom surface of the mounting plate 1, a mounting box 3 fixedly mounted on a top surface of the mounting plate 1, a water spray assembly 4 disposed in the mounting box 3, and an electric control assembly 5 disposed in the mounting box 3.
The mounting plate 1 is a rectangular plate, and the power assembly 2 comprises four shock absorbers 21 with upper ends fixedly connected with the bottom surface of the mounting plate 1, a bottom plate 22 with top surfaces fixedly connected with the lower ends of the four shock absorbers 21, a power motor 23 fixedly arranged on the top surfaces of the four shock absorbers 21 and a bottom plate 22, and two universal wheels 24 and two power wheels 25 arranged on the bottom surface of the bottom plate 22.
Referring to fig. 1 and 2, the bottom plate 22 is a rectangular plate, four shock absorbers 21 are distributed at four corners of the mounting plate 1 in a rectangular shape, two universal wheels 24 are fixedly connected to one side of the bottom plate 22 in the width direction, and two power wheels 25 are located on one side of the bottom plate 22 in the other width direction. A power shaft 251 is arranged between the two power wheels 25, two ends of the power shaft 251 are respectively and fixedly connected with the two power wheels 25, and the power shaft 251 is rotatably connected on the bottom plate 22. The power shaft 251 is fixedly connected with a driven chain wheel 252, the output shaft of the power motor 23 is fixedly connected with a driving chain wheel 231, the driving chain wheel 231 is connected with the driven chain wheel 252 through a transmission chain, a strip-shaped through hole for the transmission chain to pass through is formed in the surface of the bottom plate 22, a protective shell 232 is arranged outside the power motor 23, and the protective shell 232 is fixedly installed on the top surface of the bottom plate 22.
Referring to fig. 2 and 3, the mounting box 3 is a rectangular parallelepiped box, a handle 31 is fixedly connected to an outer wall of the mounting box 3 near the universal wheel 24, a partition plate 32 is fixedly connected to an inner wall of the mounting box 3 near the handle 31, and a plate surface of the partition plate 32 is parallel to a bottom surface of the mounting box 3.
Referring to fig. 3, the water spraying assembly 4 includes a water storage tank 41 fixedly connected to the bottom of the installation box 3, two high pressure water pumps 42 fixedly disposed on the top surface of the isolation plate 32, two lifting platforms 43 fixedly disposed on the top surface of the installation box 3, and two water mist spray heads 44 respectively fixedly disposed on the two lifting platforms 43.
Referring to fig. 2 and 3, the water storage tank 41 is a rectangular water tank, a circular water tank port is disposed at the top of the water storage tank 41, a water inlet pipe 421 is disposed between the high pressure water pump 42 and the water storage tank 41, one end of the water inlet pipe 421 is fixedly connected to a water inlet end of the high pressure water pump 42, the other end is fixedly connected to the lower portion of the side wall of the water storage tank 41 and is communicated with the inside and the outside of the water storage tank 41, a high pressure water pipe 422 is disposed between the high pressure water pump 42 and the water mist nozzle 44, one end of the high pressure water pipe 422 is fixedly connected to a water outlet end of the high pressure water pump 42, and the other end is fixedly connected to the water mist nozzle 44.
Referring to fig. 1 and 2, two elevating platforms 43 are oppositely disposed on one end of the installation case 3 away from the handle 31, the elevating platforms 43 are rectangular plates, and a tilting device is disposed on the elevating platforms 43, a length direction of the elevating platforms 43 is perpendicular to a length direction of the installation case 3, the tilting device includes two support columns 431 disposed on opposite sides of one end of the elevating platforms 43, and two electric hydraulic push rods 434 disposed on opposite sides of the other end of the elevating platforms 43.
The upper end of the supporting column 431 is hinged with the long side of the lifting platform 43, and the lower end is fixedly connected to the position of the installation box 3 close to the long side. Bottom fixed connection of electronic hydraulic rod 434 has articulated on the top of install bin 3 on the top of electronic hydraulic rod 434 has removal round bar 433, has seted up two bar grooves 432 on two long sides of elevating platform 43 respectively, removes round bar 433 activity and inserts and establish in bar groove 432.
Referring to fig. 2 and 4, the water mist head 44 includes an annular water pipe 441 communicating with the high pressure water pipe 422, an atomizer 442 provided on an inner circumferential wall of the annular water pipe 441, a housing 443 fixedly connected to an outer circumferential wall of the annular water pipe 441, a fan assembly 444 provided in the housing 443, and a swing assembly 445 connected to the fan assembly 444.
The casing 443 is composed of a first cylinder and two second cylinders which are integrally formed, the second cylinders are gradually reduced from one end to the other end, the small-opening ends of the two second cylinders are fixedly connected with each other, one end of the first cylinder is a sealing end and is the sealing end of the casing 443, the other end of the first cylinder is fixedly connected with the large-opening end of one of the second cylinders, and the large-opening end of the other second cylinder is the opening end of the casing 443.
Referring to fig. 4, the circular water tube 441 is disposed on the inner wall of the cylindrical member adjacent to the circular truncated cone-shaped member, the atomizers 442 are disposed in four and fixedly connected to the circular water tube 441 at intervals, an acute angle is formed between the longitudinal direction of the atomizers 442 and the inner diameter of the circular water tube 441, and the atomizers 442 are disposed toward the open end of the casing 443.
Referring to fig. 4, the fan assembly 444 and the swing assembly 445 are disposed in a cylindrical member, the fan assembly 444 includes a fan head 4441, a rotation shaft 4442 having one end fixedly connected to the fan head 4441, and a rotation motor 4443 fixedly connected to the other end of the rotation shaft 4442, an outer wall of the rotation motor 4443 is fixedly connected to a sealed end of the housing 443, and a blowing direction of the fan head 4441, a length direction of the rotation shaft 4442, and an output shaft of the rotation motor 4443 are all oriented in the same direction and are disposed toward an open end of the housing 443.
Referring to fig. 4, the swing assembly 445 includes a support rod 4451 having a lower end fixedly connected to the top surface of the lifting platform 43, a support block 4452 having a bottom surface fixedly connected to the upper end of the support rod 4451, a connection block 4453 hinged to one end of the support block 4452, a worm wheel 4454 rotatably connected to the connection block 4453, a worm 4455 fixedly connected to the shaft of the rotation shaft 4442 and adapted to the worm wheel 4454, a rotation bar 4456 provided at the center of the worm wheel 4454 and rotating synchronously with the worm wheel 4454, and a swing bar 4457 having one end hinged to one end of the rotation bar 4456, wherein the other end of the swing bar 4457 is hinged to the other end of the support block 4452. The length of the rotating strip 4456 is smaller than the radius of the worm wheel 4454, and the other end of the rotating strip 4456 is hinged to the same end of the connecting block 4453 as the center of the worm wheel 4454.
The connecting block 4453 is an L-shaped block composed of a long strip block and a short strip block which are integrally formed, the length direction of the long strip block is parallel to the length direction of the rotating shaft 4442, a notch for the supporting block 4452 to be hinged is formed at the joint of the long strip block and the short strip block, a notch for the worm wheel 4454 to be rotatably connected is formed in one end of the long strip block, which is far away from the short strip block, a through hole for the rotating shaft 4442 to be rotatably connected is formed in one end of the short strip block, a fixing rod 4458 is fixedly connected to the top surface and the bottom surface of the connecting block 4453, which are close to the through hole, respectively, and the other end of the fixing rod 4458 is fixedly connected with the inner wall of the casing 443.
Referring to fig. 2 and 3, the electronic control assembly 5 includes a battery 51 fixedly mounted between the bottom surface of the partition plate 32 and the mounting box 3, and a control box 52 fixedly mounted on the top surface of the partition plate 32, the battery 51 and the control box 52 are electrically connected to the power motor 23, the electric hydraulic push rod 434 and the rotating motor 4443, respectively, and a rectangular hole for facilitating the operation of the control box 52 is formed in the side wall of the mounting box 3.
The implementation principle of the tunnel drilling and blasting dust removal device in the embodiment of the application is as follows: the high-pressure water pump 42 is operated to convey water from the water storage tank 41 to the atomizer 442 to generate water mist, the fan assembly 444 is operated to blow the water mist out of the shell 443, the swinging assembly 445 is operated at the moment, the shell 443 and the fan assembly 444 swing in a reciprocating mode on the plane where the lifting platform 43 is located, the electric hydraulic push rod 434 is operated, the inclination angle of the lifting platform 43 can be adjusted, the water mist is sprayed out from different angles, the existing water mist spraying dead angle is reduced, and the dust removing effect is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a tunnel bores and explodes dust collector which characterized in that: the water spraying device comprises an installation box (3) and a water spraying assembly (4) arranged in the installation box (3), wherein the water spraying assembly (4) comprises a water storage tank (41) fixedly installed in the installation box (3), a high-pressure water pump (42) communicated with the water storage tank (41), a lifting platform (43) fixedly installed on the top surface of the installation box (3), and a water mist spray head (44) fixedly installed on the lifting platform (43) and communicated with the high-pressure water pump (42);
an inclination device for driving the lifting platform (43) to change the angle is connected between the installation box (3) and the lifting platform (43), a swing assembly (445) for driving the water mist spray head (44) to swing in a reciprocating mode in the horizontal direction is arranged in the water mist spray head (44), and the swing assembly (445) comprises a supporting rod (4451) with the bottom end fixedly connected to the installation box (3).
2. The dust removal device for tunnel drilling explosion according to claim 1, characterized in that: the tilting device is including articulating support column (431) and the electronic hydraulic rod (434) of swing joint on the other end of elevating platform (43) on one end of elevating platform (43), the bottom fixed connection of electronic hydraulic rod (434) is at elevating platform (43), and the top of electronic hydraulic rod (434) articulates there is removal round bar (433), has seted up the confession on elevating platform (43) removal round bar (433) male bar groove (432), and removal round bar (433) can remove in bar groove (432).
3. The dust removal device for tunnel drilling explosion according to claim 1, characterized in that: the water mist spray head (44) further comprises a shell (443) which is fixedly connected with the swinging assembly (445) and is provided with an opening, a fan assembly (444) which is arranged in the shell (443) and is rotatably connected with the swinging assembly (445), and an annular water pipe (441) which is fixedly arranged at the opening of the shell (443), wherein an atomizer (442) is fixedly arranged on the annular water pipe (441); the annular water pipe (441) is communicated with the high-pressure water pump (42).
4. The dust removal device for tunnel drilling explosion according to claim 3, characterized in that: the fan assembly (444) comprises a rotating motor (4443) fixedly connected to the inner wall of the shell (443), a rotating shaft (4442) with one end fixedly connected to an output shaft of the rotating motor (4443), and a fan head (4441) fixedly connected to the other end of the rotating shaft (4442).
5. The dust removal device for tunnel drilling explosion according to claim 1, characterized in that: the swinging component (445) further comprises a supporting block (4452) fixedly connected to the top end of the supporting rod (4451), a connecting block (4453) hinged to one end of the supporting block (4452), a worm wheel (4454) rotatably connected to one end of the connecting block (4453), a worm (4455) sleeved on the rotating shaft (4442) and meshed with the worm wheel (4454), a rotating strip (4456) with one end fixedly connected to the circle center of the worm wheel (4454), and a swinging strip (4457) with one end hinged to the other end of the rotating strip (4456), the other end of the swinging strip (4457) is hinged with the supporting block (4452), the rotating strip (4456) and the worm wheel (4454) synchronously rotate, the rotating shaft (4442) is rotatably connected on the connecting block (4453), and a fixing rod (4458) is fixedly connected to the connecting block (4453), and the fixing rod (4458) is fixedly connected with the inner wall of the shell (443).
6. The dust removal device for tunnel drilling explosion according to claim 1, characterized in that: still include mounting panel (1) the bottom fixed mounting of mounting panel (1) has power component (2), power component (2) include one end and mounting panel (1) fixed connection's bumper shock absorber (21), with bumper shock absorber (21) other end fixed connection's bottom plate (22) and with bottom plate (22) bottom surface fixed mounting's removal wheel.
7. The dust removal device for tunnel drilling explosion according to claim 6, wherein: the power motor (23) is fixedly mounted on the bottom plate (22), an output shaft of the power motor (23) is fixedly connected with a driving chain wheel (231), the moving wheel comprises two power wheels (25) arranged at one end of the bottom plate (22), a power shaft (251) is fixedly connected between the two power wheels (25), a driven chain wheel (252) is fixedly connected onto the power shaft (251), and the driving chain wheel (231) is connected with the driven chain wheel (252) through a transmission chain.
8. The dust removal device for tunnel drilling explosion according to claim 1, characterized in that: the electric control device is characterized by further comprising an electric control assembly (5), wherein the electric control assembly (5) comprises a storage battery (51) and a control box (52) which are fixedly installed in the installation box (3), and the storage battery (51) and the control box (52) are electrically connected with power consumption parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006114.5U CN215890075U (en) | 2021-08-24 | 2021-08-24 | Tunnel bores and explodes dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006114.5U CN215890075U (en) | 2021-08-24 | 2021-08-24 | Tunnel bores and explodes dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215890075U true CN215890075U (en) | 2022-02-22 |
Family
ID=80341539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122006114.5U Active CN215890075U (en) | 2021-08-24 | 2021-08-24 | Tunnel bores and explodes dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215890075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753020A (en) * | 2023-08-04 | 2023-09-15 | 中交一公局海威工程建设有限公司 | Tunnel construction dust collector |
-
2021
- 2021-08-24 CN CN202122006114.5U patent/CN215890075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753020A (en) * | 2023-08-04 | 2023-09-15 | 中交一公局海威工程建设有限公司 | Tunnel construction dust collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215890075U (en) | Tunnel bores and explodes dust collector | |
| CN211159063U (en) | Environment-friendly water-saving spraying device for building construction | |
| CN114086901A (en) | Drilling machine drilling device with dust falling function | |
| CN210614131U (en) | Novel pipeline inner wall spraying robot | |
| CN211598738U (en) | Movable dust removal equipment for coal mining | |
| CN210509168U (en) | Spraying dust-settling device | |
| CN216767456U (en) | Portable tunnel water curtain intelligent purification device | |
| CN217939614U (en) | Construction dust reducing device | |
| CN217631725U (en) | Protection device is used in garden engineering construction | |
| CN108104863B (en) | Intelligent dust fall system and method in underground excavation construction of subway | |
| CN114534968B (en) | Lacquer powder type gear box shell painting device | |
| CN216517881U (en) | Drilling machine drilling device with dust falling function | |
| CN215332971U (en) | Dust collector of usefulness is tunneled in colliery | |
| CN112343643B (en) | Self-propelled air replacement device for coal mine tunnel that can prevent anticollision and empty | |
| CN210613226U (en) | A dust collector for construction site | |
| CN113910108A (en) | Large-scale oil storage tank floats storehouse and uses anticorrosive robot | |
| CN207795520U (en) | A kind of pump valve body structure | |
| CN214577159U (en) | Automatic spraying dust-settling device for open coal mine | |
| CN113738358B (en) | Automatic dust collector | |
| CN216665668U (en) | Drilling and blasting dust removal curtain falling device used in tunnel engineering | |
| CN217287716U (en) | Dust removal and suppression device for ore mining | |
| CN211515431U (en) | Continuous belt cleaning device of seamless steel pipe | |
| CN218669211U (en) | Concrete cofferdam blasting drilling equipment | |
| CN109989750A (en) | A kind of fully-mechanized digging machine high-pressure water jet spraying device | |
| CN215539451U (en) | A dust device for construction of municipal administration bridge tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |