CN115306476A - Tunnel construction drainage box capable of filtering sludge and using method thereof - Google Patents
Tunnel construction drainage box capable of filtering sludge and using method thereof Download PDFInfo
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- CN115306476A CN115306476A CN202210938589.4A CN202210938589A CN115306476A CN 115306476 A CN115306476 A CN 115306476A CN 202210938589 A CN202210938589 A CN 202210938589A CN 115306476 A CN115306476 A CN 115306476A
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- sludge
- box
- box body
- water
- tunnel construction
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- 239000010802 sludge Substances 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 238000004804 winding Methods 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a tunnel construction drainage box capable of filtering sludge and a use method thereof, and relates to the technical field of drainage boxes.
Description
Technical Field
The invention relates to the technical field of drainage boxes, in particular to a tunnel construction drainage box capable of filtering sludge and a using method thereof.
Background
In the tunnel construction, an anchor rod and sprayed concrete are used as main supporting means to reinforce the surrounding rock, the looseness and deformation of the surrounding rock are restrained, the design and construction of underground engineering are guided by measuring and monitoring the surrounding rock and the support, in the tunnel construction process, a submersible pump is generally required to be utilized to pump water in a water collecting tank into a water discharging tank, and then the water is sent into a sedimentation tank outside a hole through the water discharging tank.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a tunnel construction drainage tank capable of filtering sludge and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a tunnel construction drainage box of filterable silt, includes the box, one side of box is close to bottom surface position department and is equipped with the water pump admittedly, the input fixedly connected with pipe of water pump, the motor is equipped with to the rear surface of box, the output fixedly connected with cam of motor, the position department of being close to the cam between the box rotates there is the link, the silt screen cloth is equipped with to one side of link, the link rotates for one side of silt screen cloth has the runner, fixedly connected with spring between one side of silt screen cloth and the box.
In order to collect the sludge, the invention improves that a collecting box is arranged on one side of the box body close to the spring.
In order to make the silt screen move stably, the invention improves that the springs are symmetrically distributed on two sides of the silt screen, and the silt screen is in an inclined plane structure.
In order to clean the surface of the sludge screen, the invention is improved in that a hanging rod is arranged on one side of the box body, a hanging rope is arranged on the outer surface of the hanging rod, and a cleaning brush is fixedly arranged at one end of the hanging rope.
In order to facilitate the movement of the box body for people, the improved box body of the invention also comprises universal wheels which are fixedly arranged at the bottom of the box body and positioned at the four corners.
In order to improve the stability of the box body, the invention improves that a supporting device is arranged at the bottom of the box body, the supporting device comprises a threaded rod, the threaded rod is rotatably connected to the bottom of the box body and is positioned at two sides, and a supporting disc is fixedly arranged at the bottom end of the threaded rod.
In order to increase the friction force of the supporting disc, the invention improves that the bottom surface of the supporting disc is provided with anti-skid convex particles which are distributed on the supporting disc in a circumferential state at equal intervals.
In order to accommodate the hose, the improved structure of the hose winding device is characterized in that a winding device is further arranged on one side of the box body, the winding device comprises a rotary table, the rotary table is rotatably connected to one side of the box body, a winding rod is fixedly arranged on one side of the rotary table, and a connecting disc is arranged at one end of the winding rod.
In order to facilitate winding of the hose, the invention is improved in that a crank is arranged on one side of the connecting disc.
A use method of a tunnel construction drainage box capable of filtering sludge comprises the following steps:
the method comprises the following steps: when people need to drain water, firstly, the box body is moved to a specified position, then, the submersible pump is utilized to send water in the water collecting tank into the box body, the water in the water collecting tank enters through the top of the box body, at the moment, people start the motor, the motor drives the cam to rotate on one side of the box body, when the cam rotates, the rotating wheel continuously rotates between the connecting frames, meanwhile, the cam jacks up the rotating wheel, the rotating wheel drives the connecting frames to move, one side of the sludge screen connected with the connecting frames moves in the opposite direction, when the sludge screen is pressed downwards, the spring is continuously compressed under the influence of external force, along with the continuous rotation of the cam, when one end of the cam bulge leaves the rotating wheel, one side of the sludge screen is slowly lifted under the influence of the spring, and sludge in the water can flow into the collecting box along the inclined plane of the screen;
step two: by connecting the output end of the water pump, water in the box body can be pumped out through the water pump and the guide pipe, and then is discharged to the sedimentation tank outside the hole, so that the effect of draining water is achieved;
step three: when the water pump works, the water pump can generate certain vibration per se, so that the universal wheels at the bottom of the box body are easy to slide, the threaded rod is rotated, the threaded rod is arranged in the box body and is meshed with the surface of the threaded rod, and when the threaded rod rotates, the threaded rod drives the support disc at the bottom end to move, so that the support disc is attached to the ground and plays a role in supporting the box body;
step four: when people need accomodate the hose that connects the water pump, only need pass between two sets of winding rods and tentatively convolute its one end, will change afterwards again rotate the rotation can, change then drive connection pad and winding rod motion to make it and carousel linkage, at this moment the carousel then rotates in box one side, played the effect of coiling the hose, make things convenient for people to accomodate the hose, when the hose winding finishes, people only need knot its one end and can place it and drop.
Compared with the prior art, the invention has the advantages and positive effects that,
1. in the invention, when the sludge filtering machine is actually used, the sludge continuously conveyed into the box body can be separated from water and filtered by arranging the box body, the water pump, the guide pipe, the motor, the cam, the connecting frame, the sludge screen, the rotating wheel and the spring and by utilizing a mode of continuously vibrating the sludge screen, so that the condition that the sludge is deposited at the bottom of the box body and is inconvenient for people to clean is avoided.
2. In the invention, when in actual use, the supporting device is arranged, so that the stability of the box body in the use process is further improved, and the universal wheels at the bottom of the box body are not easy to slide in the running process of the water pump.
3. In the invention, when in actual use, the winding device is arranged, so that the practicability of the box body is improved, people can directly store the hose at one side of the box body, and the space occupation is reduced.
Drawings
FIG. 1 is a schematic view showing the overall structure of a tunnel construction drainage tank capable of filtering sludge according to the present invention;
FIG. 2 is a side view of a tunnel construction drainage box according to the present invention for filtering sludge;
FIG. 3 is a schematic cross-sectional view of FIG. 2 in a tunnel construction drainage box according to the present invention for filtering sludge;
FIG. 4 is a plan view of a tunnel construction drainage tank capable of filtering sludge according to the present invention;
fig. 5 is a bottom view of a tunnel construction drainage box capable of filtering sludge according to the present invention.
Illustration of the drawings:
1. a box body; 2. a water pump; 3. a conduit; 4. a motor; 5. a cam; 6. a connecting frame; 7. a sludge screen; 8. a rotating wheel; 9. a spring; 10. a collection box; 11. a hanging rod; 12. hanging a rope; 13. a cleaning brush; 14. a universal wheel; 15. a threaded rod; 16. supporting a disc; 17. anti-skid convex particles; 18. a turntable; 19. winding the rod; 20. a connecting disc; 21. a crank handle.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the present invention is not limited to the specific embodiments disclosed in the following description.
In a first embodiment, referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a tunnel construction drainage box that can filter silt, the power distribution box comprises a box body 1, one side of box 1 is close to bottom surface position department and is equipped with water pump 2 admittedly, water pump 2's input fixedly connected with pipe 3, motor 4 is equipped with to box 1's rear surface, motor 4's output end fixedly connected with cam 5, the position department that is close to cam 5 between the box 1 rotates has link 6, silt screen cloth 7 is equipped with to one side of link 6, silt screen cloth 7 is the inclined plane structure, link 6 rotates for one side of silt screen cloth 7 has runner 8, fixedly connected with spring 9 between one side of silt screen cloth 7 and the box 1, spring 9 symmetric distribution is in the both sides of silt screen cloth 7, spring 9 through setting up symmetric distribution, make silt screen cloth 7 both sides all can obtain the support, the stability of silt screen cloth 7 has been improved.
Please refer to fig. 1, a collecting box 10 is installed on one side of a box body 1 close to a spring 9, the collecting box 10 is arranged to collect sludge after screening, a hanging rod 11 is installed on one side of the box body 1, a hanging rope 12 is arranged on the outer surface of the hanging rod 11, a cleaning brush 13 is fixedly installed at one end of the hanging rope 12, through the arrangement of the cleaning brush 13, people can conveniently clean the surface of the sludge screen 7, meanwhile, the hanging rope 12 can be hung on the hanging rod 11 by people to achieve the effect of storing the cleaning brush 13, the multifunctional sludge screening box further comprises a universal wheel 14, the universal wheel 14 is fixedly installed at the bottom of the box body 1 and located at four corners, and through the arrangement of the universal wheel 14, the multifunctional sludge screening box has the effect of assisting people in carrying the box body 1.
In a second embodiment, referring to fig. 2, a supporting device is arranged at the bottom of the box body 1, the supporting device includes a threaded rod 15, the threaded rod 15 is rotatably connected to the bottom of the box body 1 at two side positions, a supporting disc 16 is fixedly mounted at the bottom end of the threaded rod 15, and the supporting disc 16 is arranged to support two sides of the box body 1.
Referring to fig. 5, the bottom surface of the supporting plate 16 is provided with the anti-slip convex particles 17, the anti-slip convex particles 17 are distributed on the supporting plate 16 in a circumferential state at equal intervals, and the anti-slip convex particles 17 are arranged to increase the friction force of the supporting plate 16.
In a third embodiment, referring to fig. 1 and 4, a winding device is further disposed on one side of the box body 1, the winding device includes a turntable 18, the turntable 18 is rotatably connected to one side of the box body 1, a winding rod 19 is fixedly mounted on one side of the turntable 18, and the winding rods 19 are symmetrically distributed, so that people can quickly wind the hose.
Referring to fig. 1 and 4, a connecting disc 20 is installed at one end of the winding rod 19, a crank 21 is installed at one side of the connecting disc 20, and the crank 21 is arranged to assist people to wind the hose.
A use method of a tunnel construction drainage box capable of filtering sludge comprises the following steps:
the method comprises the following steps: when people need to drain water, firstly, the box body 1 is moved to a specified position, then, the submersible pump 2 is utilized to send water in the water collecting tank into the box body 1, the water in the water collecting tank enters through the top of the box body 1, then, people start the motor 4, the motor 4 drives the cam 5 to rotate on one side of the box body 1, when the cam 5 rotates, the rotating wheel 8 can continuously rotate between the connecting frames 6, meanwhile, the cam 5 can jack up the rotating wheel 8, the rotating wheel 8 drives the connecting frame 6 to move, one side of the sludge screen 7 connected with the connecting frame 6 can move in the opposite direction, when the sludge screen 7 is pressed downwards, the spring 9 is continuously compressed under the influence of external force, along with the continuous rotation of the cam 5, when the protruding end of the cam 5 leaves the rotating wheel 8, one side of the sludge screen 7 is slowly lifted under the influence of the spring 9, and the sludge containing the water can flow to the inner part of the collecting box 10 along the inclined plane of the sludge screen 7;
step two: by connecting the output end of the water pump 2, water in the box body 1 can be pumped out through the water pump 2 and the guide pipe 3, and then the water is discharged to a sedimentation tank outside the hole, so that the effect of draining water is achieved;
step three: when the water pump 2 works, the water pump per se can vibrate to a certain degree, so that the universal wheel 14 at the bottom of the box body 1 is easy to slide, the threaded rod 15 is rotated, the threads meshed with the surface of the threaded rod 15 are arranged in the box body 1, and when the threaded rod 15 rotates, the threaded rod 15 drives the support disc 16 at the bottom end to move, so that the support disc is attached to the ground to support the box body 1;
step four: when people need accomodate the hose of connecting water pump 2 usefulness, only need to pass two sets of winding rods 19 between and tentatively convolute with its one end, will change afterwards again rotate the rotation can, change then drive connection pad 20 and around the motion of rod 19, thereby make it and the linkage of carousel 18, at this moment carousel 18 then rotates in 1 one side of box, the effect of coiled hose has been played, make things convenient for people to accomodate the hose, when the hose winding finishes, people only need to tie a knot its one end and can place it and drop.
The working principle is as follows: by arranging the box body 1, the water pump 2, the guide pipe 3, the motor 4, the cam 5, the connecting frame 6, the sludge screen 7, the rotating wheel 8 and the spring 9, when people need to drain water, firstly, the box body 1 is moved to a specified position, then, the submersible pump 2 is utilized to send water in the water collecting tank into the box body 1, because the water in the water collecting tank enters through the top of the box body 1, at the moment, the people start the motor 4, the motor 4 drives the cam 5 to rotate at one side of the box body 1, when the cam 5 rotates, because the surface of the cam 5 is always attached to the rotating wheel 8, the rotating wheel 8 can also continuously rotate between the connecting frames 6, when the convex end of the cam 5 is attached to the rotating wheel 8, at the moment, the cam 5 can jack up the rotating wheel 8, the rotating wheel 8 drives the connecting frame 6 to move, and one side of the sludge screen 7 connected with the connecting frame 6 can move in the opposite direction, when the sludge screen 7 is pressed downwards, at the moment, the spring 9 is continuously contracted under the influence of external force, along with the continuous rotation of the cam 5, when the raised end of the cam 5 leaves the rotating wheel 8, one side of the sludge screen 7 is slowly lifted under the influence of the spring 9, so that the sludge screen 7 is vibrated in a reciprocating manner, sludge carried in water can flow into the collecting box 10 along the inclined plane of the sludge screen 7, the sludge is filtered, water flow normally flows into the box body 1 through the sludge screen 7, people can extract water in the box body 1 through the water pump 2 and the guide pipe 3 in a manner of connecting the output end of the water pump 2, the water is discharged into a settling pond outside a hole, the drainage effect is achieved, and by arranging the supporting device, when the water pump 2 works, certain vibration can be generated by the water pump, so that the universal wheel 14 at the bottom of the box body 1 is easy to slide, at this moment, by means of rotating the threaded rod 15, because the inside of the box body 1 is provided with threads which are meshed with the surface of the threaded rod 15, when the threaded rod 15 rotates, the threaded rod 15 drives the support disc 16 at the bottom end to move, so that the threaded rod is attached to the ground, the box body 1 is supported, when people need to move the box body 1, the threaded rod 15 only needs to be reversed, so that the support disc 16 moves to the position above the universal wheel 14, by means of the winding device, when people need to store the hose for connecting the water pump 2, only one end of the hose needs to penetrate between the two sets of winding rods 19 and is wound preliminarily, then the rotating handle rotates, the rotating handle drives the connection disc 20 and the winding rods 19 to move, so that the hose is linked with the rotating disc 18, at this time, the rotating disc 18 rotates on one side of the box body 1, the hose winding effect is achieved, people can store the hose conveniently, and when the hose winding is finished, people only need to tie one end of the hose to place the hose to fall off.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. The utility model provides a tunnel construction drainage box of filterable silt, includes box (1), its characterized in that: one side of box (1) is close to bottom surface position department and is equipped with water pump (2) admittedly, input fixedly connected with pipe (3) of water pump (2), motor (4) are equipped with to the rear surface of box (1), output fixedly connected with cam (5) of motor (4), the position department of being close to cam (5) between box (1) rotates there is link (6), silt screen cloth (7) are equipped with to one side of link (6), link (6) rotate for one side of silt screen cloth (7) have runner (8), fixedly connected with spring (9) between one side of silt screen cloth (7) and box (1).
2. The sludge filterable tunnel construction drainage box of claim 1, wherein: and a collecting box (10) is arranged on one side of the box body (1) close to the spring (9).
3. The sludge filterable tunnel construction drainage box of claim 2, wherein: the springs (9) are symmetrically distributed on two sides of the sludge screen (7), and the sludge screen (7) is of an inclined plane structure.
4. The sludge filterable tunnel construction drainage box of claim 2, wherein: a hanging rod (11) is installed on one side of the box body (1), a hanging rope (12) is arranged on the outer surface of the hanging rod (11), and a cleaning brush (13) is fixedly installed at one end of the hanging rope (12).
5. The sludge filterable tunnel construction drainage tank of claim 4, wherein: the box body is characterized by further comprising universal wheels (14), wherein the universal wheels (14) are fixedly arranged at the four corners of the bottom of the box body (1).
6. The sludge filterable tunnel construction drainage tank of claim 5, wherein: the bottom of box (1) is provided with strutting arrangement, strutting arrangement include threaded rod (15), threaded rod (15) rotate to be connected and are located both sides position department in the bottom of box (1), the bottom of threaded rod (15) is equipped with admittedly and props dish (16).
7. The sludge filterable tunnel construction drainage tank of claim 6, wherein: the bottom surface of propping dish (16) is equipped with anti-skidding protruding grain (17), anti-skidding protruding grain (17) are circumference state equidistance and distribute on propping dish (16).
8. The sludge filterable tunnel construction drainage tank of claim 6, wherein: one side of the box body (1) is further provided with a winding device, the winding device comprises a rotary disc (18), the rotary disc (18) is rotatably connected to one side of the box body (1), a winding rod (19) is fixedly arranged on one side of the rotary disc (18), and a connecting disc (20) is arranged at one end of the winding rod (19).
9. The sludge filterable tunnel construction drainage box of claim 8, wherein: and a crank (21) is arranged on one side of the connecting disc (20).
10. The use method of the tunnel construction drainage tank capable of filtering sludge is characterized by comprising the following steps of:
the method comprises the following steps: when people need to drain water, firstly, the box body (1) is moved to a specified position, then, water in the water collecting tank is sent into the box body (1) by using the submersible pump (2), the water in the water collecting tank enters through the top of the box body (1), at the moment, people start the motor (4), the motor (4) drives the cam (5) to rotate on one side of the box body (1), when the cam (5) rotates, the rotating wheel (8) can continuously rotate between the connecting frames (6), meanwhile, the cam (5) can jack up the rotating wheel (8), the rotating wheel (8) drives the connecting frames (6) to move, one side of the sludge screen (7) connected with the connecting frames (6) can move in the opposite direction, when the sludge screen (7) is pressed downwards, the spring (9) is continuously tightened under the influence of external force, the cam (5) continuously rotates, when the raised end of the cam (5) leaves the rotating wheel (8), at the side of the sludge screen (7) is influenced by the spring (9), the sludge slowly rises, and the sludge in the box can slowly flow along the inclined plane (10) in the water, so that the sludge in the collecting box (7) can be lifted to the water;
step two: the water in the box body (1) can be pumped out through the water pump (2) and the guide pipe (3) by connecting the output end of the water pump (2), so that the water is discharged to a sedimentation tank outside the hole, and the effect of draining water is achieved;
step three: when the water pump (2) works, the water pump can vibrate to a certain degree, so that the universal wheel (14) at the bottom of the box body (1) is easy to slide, the threaded rod (15) is rotated, the threads meshed with the surface of the threaded rod (15) are arranged in the box body (1), and when the threaded rod (15) rotates, the threaded rod (15) drives the support disc (16) at the bottom end to move, so that the threaded rod is attached to the ground, the box body (1) is supported, and when people need to move the box body (1), the threaded rod (15) is only required to be rotated reversely, so that the support disc (16) is moved to a position above the universal wheel (14);
step four: when people need accomodate the hose of connecting water pump (2) usefulness, only need to pass two sets of winding rods (19) between and tentatively convolute with its one end, will change again afterwards rotate can, change then drive connection pad (20) and around rod (19) motion, thereby make its and carousel (18) linkage, at this moment carousel (18) then rotate in box (1) one side, the effect of coiling the hose has been played, make things convenient for people to accomodate the hose, when the hose winding finishes, people only need to tie a knot its one end and can place it and drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938589.4A CN115306476A (en) | 2022-08-05 | 2022-08-05 | Tunnel construction drainage box capable of filtering sludge and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938589.4A CN115306476A (en) | 2022-08-05 | 2022-08-05 | Tunnel construction drainage box capable of filtering sludge and using method thereof |
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| CN115306476A true CN115306476A (en) | 2022-11-08 |
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| CN202210938589.4A Pending CN115306476A (en) | 2022-08-05 | 2022-08-05 | Tunnel construction drainage box capable of filtering sludge and using method thereof |
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| CN208865949U (en) * | 2018-09-20 | 2019-05-17 | 景德镇品安特陶有限公司 | Ceramic manufacturing pug vibrating screen |
| CN211678750U (en) * | 2020-02-17 | 2020-10-16 | 林秋琴 | Civil engineering construction is with screening husky device |
| CN213231791U (en) * | 2020-06-18 | 2021-05-18 | 天津绿诺环保科技有限公司 | Novel sewage treatment device |
| CN213349701U (en) * | 2020-07-10 | 2021-06-04 | 徐州维尔德科技发展有限公司 | Screen cloth for construction |
| CN215407471U (en) * | 2021-08-09 | 2022-01-04 | 浙江信瑞重工科技有限公司 | Concrete pumping equipment |
| CN216800600U (en) * | 2021-11-19 | 2022-06-24 | 威海鑫友高分子科技有限公司 | Screening shale shaker convenient to clearance |
| CN114163090A (en) * | 2021-11-23 | 2022-03-11 | 陈丽 | Based on biotechnology activated sludge treatment facility |
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