CN113430981A - Water-saving watering device for construction - Google Patents
Water-saving watering device for construction Download PDFInfo
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- CN113430981A CN113430981A CN202110726173.1A CN202110726173A CN113430981A CN 113430981 A CN113430981 A CN 113430981A CN 202110726173 A CN202110726173 A CN 202110726173A CN 113430981 A CN113430981 A CN 113430981A
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- Prior art keywords
- water
- base
- water tank
- water pipe
- rear end
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention relates to the technical field of building watering, and discloses a water-saving type watering device for building construction, which comprises a base, a water tank, a side plate, a servo motor and a water pump, wherein the water tank is arranged on the base; the water tank is fixed on the surface above the left side of the base, a water filling port is formed in the middle position above the water tank and communicated with the inside of the water tank, the number of the side plates is two, the two side plates are obliquely fixed at the front end and the rear end above the right side of the base, and the side plates at the front end and the rear end are parallel to each other. According to the invention, the arc cover is arranged above the water pipe, the water mist sprayed out of the atomizing spray head can carry out dust removal work, the servo motor drives the water pipe to rotate to enable the atomizing spray head to face upwards, the water mist and the arc cover act to form water drops for sprinkling maintenance, the water is not required to be sprinkled to the ground during dust removal, the dust removal work can be carried out under the condition of saving more water, meanwhile, sludge pollution is avoided, the sprinkling work can be conveniently carried out during maintenance, and the sprinkling maintenance function is ensured.
Description
Technical Field
The invention relates to the technical field of building watering, in particular to a water-saving watering device for building construction.
Background
At present, building construction is a production process for building various building products by using various building materials and mechanical equipment according to a specific design blueprint in a certain space and time, and the production process comprises the whole production processes from construction preparation, earth breaking and engineering completion acceptance, more dust is generated on the ground of a building site, the dust is raised when vehicles pass by to pollute the environment, and in addition, the ground needs to be maintained and water needs to be sprayed.
The problem of prior art at solving dust and maintenance all adopts the mode of water pipe watering to handle, and these moisture can be absorbed fast when the maintenance to ground, can not have too much accumulation, and also adopt the water pipe watering to remove dust to the dust, and moisture can have the accumulation, produces extravagantly, mixes still can lead to more in disorder simultaneously with earth or dust together. Therefore, we propose a water-saving building construction sprinkler.
Disclosure of Invention
The invention aims to provide a water-saving type building construction watering device, wherein an arc cover is arranged above a water pipe, water mist sprayed out of an atomizing nozzle can be used for dedusting, a servo motor drives the water pipe to rotate so that the atomizing nozzle faces upwards, the water mist and the arc cover act to form water drops for watering maintenance, and the water is not required to be sprinkled to the ground during dedusting, so that the dedusting can be carried out under the condition of saving more water, the sludge pollution is avoided, the watering can be conveniently carried out during maintenance, the watering maintenance function is ensured, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a water-saving type sprinkling device for building construction comprises a base, a water tank, a side plate, a servo motor and a water pump; the water tank is fixed on the upper surface of the left side of the base, a water filling port is arranged in the middle position above the water tank, and the water filling port is communicated with the inside of the water tank;
the two side plates are obliquely fixed at the front end and the rear end above the right side of the base, the side plate at the front end and the side plate at the rear end are parallel to each other, a left rotating groove is formed in the surface above the inner side of the side plate at the front end, a right rotating groove is formed in the surface above the inner side of the side plate at the rear end, a water pipe is arranged between the left rotating groove and the right rotating groove, two ends of the water pipe are rotatably clamped in the left rotating groove and the right rotating groove respectively, the water pipe is vertically fixed above the side plate at the front end and the rear end, an atomizing nozzle is arranged at the bottom of the water pipe and is uniformly distributed at the bottom of the water pipe, the atomizing nozzle is communicated with the inside of the water pipe, an arc cover is transversely fixed between the front end above the water pipe and the side plate at the rear end, and an inclined plate is obliquely fixed below the left side of the arc cover;
the servo motor is arranged on the upper surface of the front side of the front end side plate, a transmission shaft of the servo motor penetrates to the inner side of the side plate, a gear is arranged on the transmission shaft of the servo motor and is positioned above the water pipe on the inner side of the arc cover, and the outer ring of the water pipe below the gear is provided with ruler lines in a surrounding manner, and the ruler lines are meshed with the gear;
the base surface at water tank right side rear end is installed to the water pump, and the water inlet of water pump and the inside below intercommunication of water tank are connected with the hose on the delivery port of water pump, the rear side top surface mounting of curb plate has rotary joint, rotary joint's inboard run through to the turn right inslot and with the inside intercommunication of water pipe, rotary joint and hose intercommunication, the base fixed surface of water pump front end has the battery, the front end surface mounting of water tank has the industrial computer, and the industrial computer is installed on the right side front end surface of water tank, and the industrial computer passes through wire and servo motor electric connection.
As a preferred embodiment of the present invention, a protrusion is disposed in the middle of the front end of the water pipe, a groove is disposed in the left-turning groove on the left side of the protrusion, the protrusion is rotatably disposed in the groove, and the protrusion and the water pipe are connected to form an integral joint.
In a preferred embodiment of the present invention, the front side surface of the water tank is provided with an observation window, the observation window is arranged at a middle position of the front side of the water tank, and the observation window is vertically arranged on the surface of the water tank.
In a preferred embodiment of the present invention, a reinforcing rod is fixedly connected between the side plate at the front end above the base and the side plate at the rear end above the base, and the reinforcing rod is connected between the middle portions of the side plates.
As a preferred embodiment of the present invention, four rollers are mounted at four corners of the bottom of the base, and the number of the rollers is four.
In a preferred embodiment of the present invention, the left side of the base is connected to a traction ring via a connecting rod, and the traction ring is connected to a middle position of the left side of the base.
In a preferred embodiment of the present invention, the right side of the pulling ring is fixed to the left side of the connecting rod by welding, and the connecting rod is fixed to the surface of the base by welding.
As a preferred embodiment of the present invention, the servo motor and the water pump are electrically connected to the industrial computer through wires.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the water-saving type sprinkling device for building construction, the arc cover is arranged above the water pipe, the water mist sprayed out of the atomizing spray head can be used for dedusting, the servo motor drives the water pipe to rotate to enable the atomizing spray head to face upwards, the water mist and the arc cover act to form water drops for sprinkling maintenance, sprinkling to the ground is not needed during dedusting, dedusting can be carried out under the condition of saving more water, sludge pollution is avoided, sprinkling can be conveniently carried out during maintenance, and the sprinkling maintenance function is guaranteed.
2. The water-saving type building construction sprinkler is characterized in that the middle position of the front end of the water pipe is provided with the convex block, the left-turning groove on the left side of the convex block is internally provided with the groove, the convex block is rotatably arranged in the groove, the convex block and the water pipe are connected into the integral joint, and when the water pipe is driven to rotate, the convex block is limited in the groove, so that the water pipe can be stably guided to rotate.
3. According to the water-saving type sprinkling device for building construction, the observation window is arranged on the front side surface of the water tank, the observation window is arranged in the middle of the front side of the water tank, and the observation window is vertically arranged on the surface of the water tank, so that the residual amount of water in the water tank can be seen through the observation window in the sprinkling and dust removing processes, and timely addition is facilitated.
4. According to the water-saving type building construction sprinkler, the reinforcing rods are fixedly connected between the side plate at the front end above the base and the side plate at the rear end above the base, the reinforcing rods are connected between the middle parts of the side plates, and the fixing strength between the side plate at the front end and the side plate at the rear end can be improved through the arrangement of the reinforcing rods.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view showing the overall structure of a water saving type sprinkler for building construction according to the present invention;
FIG. 2 is a schematic view showing a connection structure between a front side plate and a water pipe of the water saving type sprinkler for building construction according to the present invention;
FIG. 3 is a schematic cross-sectional view of the joint between the front side plate and the water pipe of the sprinkler for water-saving building construction according to the present invention;
FIG. 4 is a schematic cross-sectional view of the connection between the rear end side plate and the water pipe of the sprinkler for water-saving building construction of the present invention;
FIG. 5 is a schematic view showing the arrangement of water pipes and arc shrouds of the sprinkler for water-saving building construction according to the present invention;
FIG. 6 is a schematic view of the left side structure of the base of the water saving type sprinkler for building construction of the present invention.
In the figure: 1. a base; 2. a water tank; 3. a side plate; 4. a servo motor; 5. a water pump; 6. a water filling port; 7. a hose; 8. an arc shield; 9. a water pipe; 10. an observation window; 11. an industrial control computer; 12. a storage battery; 13. a roller; 14. a left turn trough; 15. ruler lines; 16. a gear; 17. a bump; 18. a groove; 19. a right turn trough; 20. a rotary joint; 21. an atomizing spray head; 22. a connecting rod; 23. a traction ring; 24. a sloping plate; 25. a reinforcing rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-6, the present invention provides a technical solution: a water-saving building construction sprinkler comprises a base 1, a water tank 2, a side plate 3, a servo motor 4 and a water pump 5; the water tank 2 is fixed on the upper surface of the left side of the base 1, a water filling port 6 is arranged at the middle position above the water tank 2, and the water filling port 6 is communicated with the inside of the water tank 2;
the number of the side plates 3 is two, the two side plates 3 are obliquely fixed at the front end and the rear end above the right side of the base 1, the side plate 3 at the front end and the side plate 3 at the rear end are parallel to each other, a left rotating groove 14 is formed in the upper surface of the inner side of the side plate 3 at the front end, a right rotating groove 19 is formed in the upper surface of the inner side of the side plate 3 at the rear end, a water pipe 9 is arranged between the left rotating groove 14 and the right rotating groove 19, two ends of the water pipe 9 are respectively and rotatably clamped in the left rotating groove 14 and the right rotating groove 19, and the water pipe 9 is vertically fixed above the space between the front end and the rear end side plate 3, the bottom of the water pipe 9 is provided with a plurality of atomizing spray heads 21, the plurality of atomizing spray heads 21 are uniformly distributed at the bottom of the water pipe 9, the atomizing spray heads 21 are communicated with the interior of the water pipe 9, an arc hood 8 is transversely fixed between the front end above the water pipe 9 and the side plate 3 at the rear end, and an inclined plate 24 is obliquely fixed below the left side of the arc hood 8;
the servo motor 4 is arranged on the upper surface of the front side of the front end side plate 3, a transmission shaft of the servo motor 4 penetrates to the inner side of the side plate 3, a gear 16 is arranged on the transmission shaft of the servo motor 4, the gear 16 is positioned above the water pipe 9 on the inner side of the arc cover 8, the outer ring of the water pipe 9 below the gear 16 is provided with ruler lines 15 in a surrounding mode, and the ruler lines 15 are meshed with the gear 16;
the base 1 surface at 2 right sides rear ends of water tank is installed to water pump 5, and the water inlet of water pump 5 communicates with the inside below of water tank 2, is connected with hose 7 on the delivery port of water pump 5, the rear end surface mounting has rotary joint 20 above the rear side of curb plate 3, and rotary joint 20's inboard run through to the turning to the right 19 in the groove and with the inside intercommunication of water pipe 9, rotary joint 20 and hose 7 intercommunication, and the base 1 surface mounting of 5 front ends of water pump has battery 12, the front end surface mounting of water tank 2 has industrial computer 11, and industrial computer 11 installs on the right side front end surface of water tank 2, and industrial computer 11 passes through wire and servo motor 4 electric connection.
In the invention, clear water is added into the water tank 2 through the water adding port 6, then the water adding port 6 is sealed, the device is pushed to a designated position to be fixed, when simple dust removal work is carried out, the water pump 5 can be started to pump water from the inside of the water tank 2, the water enters the water pipe 9 through the hose 7 and the rotary joint 20, then the water is sprayed out from the atomizing spray head 21 to form water mist, the water mist sprayed into the air can have the dust removal effect, when maintenance work needs to be carried out on a road surface, the device can be used for continuously dragging the device to move, the servo motor 4 is started to work when the water pump 5 is started to work through the industrial control computer 11, the water pipe 9 is driven to rotate through the gear 16 and the insection, the atomizing spray head 21 is turned over to the upper direction, the water mist is sprayed at the bottom of the arc cover 8 to be accumulated into water drops, and then the water drops to the ground under the guiding action of the inclined plate 24, and the water can play a role, the realization need not to spill to ground when removing dust to the maintenance of watering of highway, can carry out dust removal work under the condition of water-saving more, avoids mud pollution simultaneously, and the function of watering maintenance has been guaranteed to the work of sprinkling that equally can be convenient during the maintenance.
In an optional embodiment, a protrusion 17 is disposed in the middle of the front end of the water pipe 9, a groove 18 is disposed in the left-turning groove 14 on the left side of the protrusion 17, the protrusion 17 is rotatably disposed in the groove 18, the protrusion 17 is connected with the water pipe 9 to form an integral joint, in this embodiment (see fig. 3), the protrusion 17 is disposed in the middle of the front end of the water pipe 9, the groove 18 is disposed in the left-turning groove 14 on the left side of the protrusion 17, the protrusion 17 is rotatably disposed in the groove 18, the protrusion 17 is connected with the water pipe 9 to form an integral joint, and when the water pipe 9 is driven to rotate, the protrusion 17 is limited in the groove 18, so that the water pipe 9 can be stably guided to rotate.
In an alternative embodiment, the front side surface of the water tank 2 is provided with an observation window 10, the observation window 10 is arranged in the middle of the front side of the water tank 2, and the observation window 10 is vertically arranged on the surface of the water tank 2, in this embodiment (please refer to fig. 1), by arranging the observation window 10 on the front side surface of the water tank 2, the observation window 10 is arranged in the middle of the front side of the water tank 2, and the observation window 10 is vertically arranged on the surface of the water tank 2, during the sprinkling and dust removing processes, the observation window 10 can see the residual amount of water in the water tank 2, which is convenient for adding in time.
In an alternative embodiment, a reinforcing rod 25 is fixedly connected between the side plate 3 at the front end above the base 1 and the side plate 3 at the rear end above the base 1, and the reinforcing rod 25 is connected between the middle portions of the side plates 3, in this embodiment (see fig. 1), the reinforcing rod 25 is fixedly connected between the side plate 3 at the front end above the base 1 and the side plate 3 at the rear end above the base 1, and the reinforcing rod 25 is connected between the middle portions of the side plates 3, so that the fixing strength between the side plate 3 at the front end and the side plate 3 at the rear end can be improved by the arrangement of the reinforcing rod 25.
In an optional embodiment, four rollers 13 are installed at four corners of the bottom of the base 1, and the number of the rollers 13 is four, in this embodiment (please refer to fig. 1), the rollers 13 at the four corners of the base 1 can drive the base 1 to move, and can also be locked by braking the rollers 13.
In an alternative embodiment, the left side of the base 1 is connected with a traction ring 23 through a connecting rod 22, and the traction ring 23 is connected to the middle position of the left side of the base 1, in this embodiment (see fig. 6), the traction device can be connected to the base 1 through the traction ring 23 to drive the base to move.
In an alternative embodiment, the right side of the pulling ring 23 is fixed to the left side of the connecting rod 22 by welding, and the connecting rod 22 is fixed to the surface of the base 1 by welding, in this embodiment (see fig. 6), the stability of the fixing of the device is improved by welding.
In an optional embodiment, the industrial personal computer 11 and the water pump 5 are both electrically connected to the industrial personal computer 11 through wires, and in this embodiment (see fig. 1), the servo motor 4 and the water pump 5 are controlled through the servo motor 4.
It should be noted that the invention is a water-saving building construction sprinkler, which comprises a base 1, a water tank 2, a side plate 3, a servo motor 4, a water pump 5, a water filling opening 6, a hose 7, an arc cover 8, a water pipe 9, an observation window 10, an industrial control computer 11, a storage battery 12, a roller 13, a left rotary groove 14, a scale 15, a gear 16, a bump 17, a groove 18, a right rotary groove 19, a rotary joint 20, an atomizing spray head 21, a connecting rod 22, a traction ring 23, an inclined plate 24 and a reinforcing rod 25, wherein the parts are all universal standard parts or parts known by the technical staff in the field, the structure and the principle of the parts are known by the technical handbook or the conventional experimental method, in the spare part of the sprinkler, all the electric parts refer to power elements, electric parts and adaptive monitoring computers and power supplies which are connected by leads, and a specific connecting means, in the above working principle, the electrical connection between the electrical devices is completed in sequence, and the detailed connection means is a technique known in the art, and the above description mainly describes the working principle and process, and does not describe the electrical control.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A water-saving type sprinkling device for building construction is characterized by comprising a base (1), a water tank (2), a side plate (3), a servo motor (4) and a water pump (5); the water tank (2) is fixed on the upper surface of the left side of the base (1), a water filling port (6) is arranged in the middle position above the water tank (2), and the water filling port (6) is communicated with the inside of the water tank (2);
the side plates (3) are two, the two side plates (3) are obliquely fixed at the front end and the rear end above the right side of the base (1), the side plates (3) at the front end and the side plates (3) at the rear end are parallel to each other, the left rotating groove (14) is formed in the upper surface of the inner side of the side plates (3) at the front end, the right rotating groove (19) is formed in the upper surface of the inner side of the side plates (3) at the rear end, a water pipe (9) is arranged between the left rotating groove (14) and the right rotating groove (19), the two ends of the water pipe (9) are respectively rotatably clamped in the left rotating groove (14) and the right rotating groove (19), the water pipe (9) is vertically fixed above the space between the front end and the rear end side plates (3), the atomizing nozzles (21) are installed at the bottom of the water pipe (9), the atomizing nozzles (21) are multiple, and are uniformly distributed at the bottom of the water pipe (9), and the atomizing nozzles (21) are communicated with the inside of the water pipe (9), an arc hood (8) is transversely fixed between the front end above the water pipe (9) and the side plate (3) at the rear end, and an inclined plate (24) is obliquely fixed below the left side of the arc hood (8);
the servo motor (4) is arranged on the upper surface of the front side of the front end side plate (3), a transmission shaft of the servo motor (4) penetrates through the inner side of the side plate (3), a gear (16) is arranged on the transmission shaft of the servo motor (4), the gear (16) is positioned above the water pipe (9) on the inner side of the arc cover (8), the outer ring of the water pipe (9) below the gear (16) is provided with ruler grains (15) in a surrounding mode, and the ruler grains (15) are meshed with the gear (16);
base (1) surface at water tank (2) right side rear end is installed in water pump (5), the water inlet of water pump (5) and the inside below intercommunication of water tank (2), be connected with hose (7) on the delivery port of water pump (5), the rear end rear side top surface mounting of curb plate (3) has rotary joint (20), and the inboard of rotary joint (20) runs through in right turn trough (19) and with water pipe (9) inside intercommunication, rotary joint (20) and hose (7) intercommunication, base (1) fixed surface of water pump (5) front end has battery (12), the front end surface mounting of water tank (2) has industrial computer (11), and the right side front end surface at water tank (2) is installed in industrial computer (11), and industrial computer (11) pass through wire and servo motor (4) electric connection.
2. A water-saving building construction sprinkler according to claim 1, wherein: the middle position of the front end of the water pipe (9) is provided with a convex block (17), a left-turning groove (14) on the left side of the convex block (17) is internally provided with a groove (18), the convex block (17) is rotatably arranged in the groove (18), and the convex block (17) is connected with the water pipe (9) into an integral joint.
3. A water-saving building construction sprinkler according to claim 1, wherein: the front side surface of the water tank (2) is provided with an observation window (10), the observation window (10) is arranged in the middle of the front side of the water tank (2), and the observation window (10) is vertically arranged on the surface of the water tank (2).
4. A water-saving building construction sprinkler according to claim 1, wherein: a reinforcing rod (25) is fixedly connected between the side plate (3) at the front end above the base (1) and the side plate (3) at the rear end above the base (1), and the reinforcing rod (25) is connected between the middle parts of the side plates (3).
5. A water-saving building construction sprinkler according to claim 1, wherein: the four corners of the lower part of the base (1) are provided with four rollers (13), and the number of the rollers (13) is four.
6. A water-saving building construction sprinkler according to claim 1, wherein: the left side of the base (1) is connected with a traction ring (23) through a connecting rod (22), and the traction ring (23) is connected to the middle position of the left side of the base (1).
7. A water-saving building construction watering device according to claim 6, wherein: the right side of the traction ring (23) is fixed on the left side of the connecting rod (22) in a welding mode, and the connecting rod (22) is fixed on the surface of the base (1) in a welding mode.
8. A water-saving building construction sprinkler according to claim 1, wherein: the servo motor (4) and the water pump (5) are electrically connected with the industrial personal computer (11) through leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110726173.1A CN113430981A (en) | 2021-06-29 | 2021-06-29 | Water-saving watering device for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110726173.1A CN113430981A (en) | 2021-06-29 | 2021-06-29 | Water-saving watering device for construction |
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| CN113430981A true CN113430981A (en) | 2021-09-24 |
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| CN202110726173.1A Pending CN113430981A (en) | 2021-06-29 | 2021-06-29 | Water-saving watering device for construction |
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| CN114100281A (en) * | 2021-11-29 | 2022-03-01 | 徐清云 | Spraying tool for highway construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100281A (en) * | 2021-11-29 | 2022-03-01 | 徐清云 | Spraying tool for highway construction |
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Application publication date: 20210924 |