CN218027834U

CN218027834U - Rotary sprayer for repairing reinforced concrete inspection well

Info

Publication number: CN218027834U
Application number: CN202221778623.8U
Authority: CN
Inventors: 路广; 于博源
Original assignee: Hebei Institute of Investigation and Design of Water Conservancy and Hydropower Group Co Ltd
Current assignee: Hebei Institute of Investigation and Design of Water Conservancy and Hydropower Group Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-13
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a rotary sprayer for repairing a reinforced concrete inspection well, which comprises a butt joint component, a spiral conveying component and a spraying component, wherein the butt joint component is connected with one end of the spiral conveying component, and the other end of the spiral conveying component is communicated with the spraying component; the spiral spraying device is characterized in that the butt joint component is provided with a hoisting hole, so that the spiral spraying device is hoisted on the winch through the hoisting hole, the spiral conveying component is provided with a grouting hole on a top end plate connected with the butt joint component, and the grouting hole is connected with a grouting system. The utility model can stir the paint more fully in the rotary sprayer, so that the paint has better fluidity and does not lose the corresponding viscosity; meanwhile, a spray head with a smaller caliber can be adopted for spraying, the blocking probability of the rotary sprayer is reduced, the coating is sprayed more finely and uniformly, and the repair efficiency is improved; the method is particularly suitable for repairing the inspection well in a narrow operation space.

Description

Rotary sprayer for repairing reinforced concrete inspection well

Technical Field

The utility model belongs to the technical field of the reinforced concrete inspection shaft is restoreed, especially, relate to a reinforced concrete inspection shaft is restoreed with spouting ware soon.

Background

Along with the rapid development of economy in China, the urbanization process is increasingly accelerated, and the requirement on public infrastructure is also continuously improved. The inspection well is used as an important component of infrastructure, and the structure and the operation of the inspection well are directly related to the economic development of cities and the environmental protection. The inspection well is an accessory facility for connecting pipelines and supplying maintenance workers to inspect, clear and access the pipelines in a drainage pipeline system, is deeply buried and has a severe operating environment, on one hand, the inspection well overcomes the defects of surrounding soil, external traffic load and underground hydrostatic pressure, and on the other hand, the inspection well faces the erosion of various sewage and waste gas, so that various defects are easily caused after long-time operation, such as well wall water leakage, well body structure damage and the like, and the inspection well needs to be repaired in a non-excavation mode in time.

Because the peripheral construction site of many inspection wells is narrow and small, and the inspection well buries the degree of depth deeply underground, and the construction degree of difficulty is big, and the inspection well construction excavation supporting engineering construction degree of difficulty is huge and the expense is high simultaneously, can't build new inspection well again, consequently adopts "well shield" restoration technique to restore current inspection well at present mostly. The jet grouting device is needed when the inspection well is repaired, but the conventional jet grouting device is inconvenient for repairing operation in the inspection well with a smaller caliber due to larger volume; and for more viscous paint, the spraying device is easy to block, and the paint cannot be sprayed uniformly, so that the repairing effect is poor. Therefore, it is very important to develop a rotary sprayer suitable for narrow working space and coating with high viscosity.

Disclosure of Invention

The utility model provides a solve the problem that prior art exists, provide a reinforced concrete inspection shaft restores with spouting ware soon, should spout the ware soon and adopt spiral delivery structure, use the less shower nozzle of more bore to replace original great shower nozzle, spray the lateral wall and the bottom that the inspection shaft was restoreed to thick liquids, be suitable for and carry out the restoration operation in the inspection shaft of less bore, can build the inside lining thick liquids of allotment evenly, in succession on waiting to restore the inner wall of inspection shaft.

The utility model discloses a rotary sprayer for repairing reinforced concrete inspection well, which comprises a butt joint component, a spiral conveying component and a spraying component, wherein the butt joint component is connected with one end of the spiral conveying component, and the other end of the spiral conveying component is communicated with the spraying component; the spiral spraying device is characterized in that the butt joint component is provided with a hoisting hole, so that the spiral spraying device is hoisted on the winch through the hoisting hole, the spiral conveying component is provided with a grouting hole on a top end plate connected with the butt joint component, and the grouting hole is connected with a grouting system.

In the above technical solution, preferably, the screw conveying assembly includes a conveying housing, a screw blade, a screw shaft and a driving motor, the screw blade is mounted on the screw shaft and located in the conveying housing, an outer edge of the screw blade is close to an inner wall of the conveying housing, the screw shaft extends out of the conveying housing and is connected with the driving motor through a coupling, and the driving motor is mounted on the docking assembly.

In the above technical solution, it is further preferable that the conveying housing is a cylindrical housing.

In the above technical solution, preferably, the injection assembly includes an injection casing and a nozzle, one end of the injection casing is communicated with the conveying casing of the spiral conveying assembly, a plurality of nozzles are uniformly arranged on the outer peripheral surface of the injection casing in the radial direction for injecting the slurry to the sidewall of the inspection well, and a plurality of nozzles are axially arranged on the lower end surface of the injection casing for injecting the slurry to the bottom of the inspection well.

In the above technical solution, it is further preferable that an umbrella-shaped spray cover is mounted on an edge of the lower end surface of the spray casing, and the spray cover separates the spray head on the outer peripheral surface from the spray head on the lower end surface.

In the above technical solution, it is further preferable that the size of the showerhead is DN5-10cm.

In the above technical scheme, preferably, the docking assembly includes a docking housing, the docking housing is of a hollow structure, a supporting hanging plate is integrally connected to the periphery of the top of the docking housing, and the hoisting holes are uniformly distributed in the circumferential direction on the supporting hanging plate.

The utility model has the advantages and positive effects that:

1. the utility model adopts a brand new technical proposal, compared with the prior art, the utility model adopts a spiral conveying structure to convey the slurry, which can better cut and stir the coating, increase the adding proportion of water in the coating stirring process, and lead the coating to be stirred more fully in the rotary sprayer, thereby leading the coating to have better fluidity without losing the corresponding viscosity; meanwhile, a sprayer with a smaller caliber can be adopted for spraying, so that the coating is more delicate and uniform, and the repair efficiency is improved.

2. The rotary sprayer of the utility model can greatly reduce the size of the rotary sprayer, simultaneously reduce the blocking probability of the rotary sprayer, ensure more uniform spraying of the coating, reduce the volume of the rotary sprayer, simultaneously have no influence on the spraying effect, and is suitable for repairing inspection wells in narrow operation spaces; the problem of conventional spout ware soon because the volume is great, be not convenient for carry out the restoration operation in less bore inspection shaft, and repair inefficiency is solved to and to more viscous coating, injection apparatus is easily stifled, and coating can't spray evenly, lead to the not good problem of repair effect.

Drawings

Fig. 1 is a schematic structural diagram of a jet grouting device for repairing a reinforced concrete inspection well provided by the embodiment of the invention.

In the figure: 1. a docking assembly; 11. butting the shell; 12. supporting the hanger plate; 13. hoisting holes; 2. a screw conveying assembly; 21. a transport housing; 22. a helical blade; 23. a screw shaft; 24. a drive motor; 3. a spray assembly; 31. a spray housing; 32. a spray hood; 33. a spray head; 4. grouting holes; 5. a coupler is provided.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1, an embodiment of the present invention provides a rotary sprayer for repairing a reinforced concrete inspection well, including a docking assembly 1, a spiral conveying assembly 2 and a spraying assembly 3, wherein the docking assembly 1 is connected to one end of the spiral conveying assembly 2, and the other end of the spiral conveying assembly 2 is communicated with the spraying assembly 3. The butt joint component 1 is provided with a hoisting hole 13, so that the rotary sprayer is hoisted on a winch through the hoisting hole 13, the spiral conveying component 2 is provided with a grouting hole 4 on a top end plate connected with the butt joint component 1, and the grouting hole 4 is connected with a grouting system.

Spiral conveying subassembly 2 is including carrying casing 21, helical blade 22, screw axis 23 and driving motor 24, it is cylindrical casing to carry casing 21, helical blade 22 installs on screw axis 23 and is located and carries casing 21, helical blade 22's outward flange is close carries casing 21 inner wall, is convenient for better with the thick liquids stirring, screw axis 23 stretches out and carries casing 21 to be connected with driving motor 24 through shaft coupling 5, driving motor 24 installs on butt joint subassembly 1, plays fine supporting role to driving motor 24.

The spraying assembly 3 comprises a spraying shell 31, a spraying cover 32 and spraying heads 33, one end of the spraying shell 31 is communicated with the conveying shell 21 of the spiral conveying assembly 2, a plurality of spraying heads 33 are uniformly distributed on the outer peripheral surface of the spraying shell 31 in the radial direction and used for spraying slurry to the side wall of the inspection well, a plurality of spraying heads 33 are axially distributed on the lower end surface of the spraying shell 31 in a scattering form and used for spraying slurry to the bottom of the inspection well, the spraying cover 32 is umbrella-shaped, the spraying cover 32 is installed on the edge of the lower end surface of the spraying shell 31 and separates the spraying heads 33 on the outer peripheral surface from the spraying heads 33 on the lower end surface, and the spraying heads 33 on the outer peripheral surface of the spraying shell 31 and the spraying heads 33 on the lower end surface are prevented from mutual interference when the slurry is sprayed. The size of the spray head 33 is DN5-10cm, so that the coating is sprayed more finely and uniformly.

The butt joint assembly 1 comprises a butt joint shell 11, a supporting hanging plate 12 is integrally connected to the periphery of the top of the butt joint shell 11, a driving motor 24 is installed on the supporting hanging plate 12, the butt joint shell 11 is of a hollow structure, so that a screw shaft 23 can be connected with the driving motor 24 through the butt joint shell 11, and hoisting holes 13 are evenly distributed in the circumferential direction on the supporting hanging plate 12 and are conveniently connected with a winch.

The utility model discloses a concrete working process as follows:

before repairing the inspection well, firstly, cutting off the pipeline for water supply, and if the steps in the inspection well need to be replaced, the steps are implemented before spraying. Aiming at serious water leakage in a well, when the conventional plugging technology cannot effectively plug water, a chemical grouting mode is adopted for quickly plugging water, and polyurethane slurry permeates and diffuses outwards through cracks, mao Xiankong and the like mainly by injecting a polyurethane foaming material to the back of a water leakage structure, and reacts with water in the cracks and holes in the process; the polyurethane can be rapidly foamed and expanded by 20-50 times within a few seconds after entering water, and the formed foam expansive soil rapidly fills the passing cracks and cavities to form a closed waterproof system in the cracks, thereby achieving the purpose of stopping water and plugging. And then, uniformly and continuously spraying the prepared slurry to the bottom and the inner wall of the inspection well to be repaired by using the rotary sprayer, and suspending the rotary sprayer by a winch to reciprocate up and down in the well so as to form a lining with uniform and continuous thickness at the bottom of the well and the wall of the well.

The utility model can stir the paint more fully in the rotary sprayer, so that the paint has better fluidity and does not lose the corresponding viscosity; meanwhile, a spray head with a smaller caliber can be adopted for spraying, the blocking probability of the rotary sprayer is reduced, the coating is more delicate and uniform, and the repair efficiency is improved. The method is particularly suitable for repairing the inspection well in a narrow operation space.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The rotary sprayer for repairing the reinforced concrete inspection well is characterized by comprising a butt joint assembly, a spiral conveying assembly and a spraying assembly, wherein the butt joint assembly is connected with one end of the spiral conveying assembly, and the other end of the spiral conveying assembly is communicated with the spraying assembly; the spiral spraying device is characterized in that the butt joint component is provided with a hoisting hole, so that the spiral spraying device is hoisted on the winch through the hoisting hole, the spiral conveying component is provided with a grouting hole on a top end plate connected with the butt joint component, and the grouting hole is connected with a grouting system.

2. The rotary sprayer for repairing the reinforced concrete inspection well according to claim 1, wherein the spiral conveying assembly comprises a conveying shell, a spiral blade, a spiral shaft and a driving motor, the spiral blade is mounted on the spiral shaft and located in the conveying shell, the outer edge of the spiral blade is close to the inner wall of the conveying shell, the spiral shaft extends out of the conveying shell and is connected with the driving motor through a coupler, and the driving motor is mounted on the butt joint assembly.

3. The rotary sprayer for repairing a reinforced concrete inspection well according to claim 2, wherein the conveying housing is a cylindrical housing.

4. The rotary sprayer for repairing the reinforced concrete inspection well according to claim 1, wherein the spraying assembly comprises a spraying shell and spraying heads, one end of the spraying shell is communicated with the conveying shell of the spiral conveying assembly, a plurality of spraying heads are uniformly distributed on the outer peripheral surface of the spraying shell in the radial direction and used for spraying slurry to the side wall of the inspection well, and a plurality of spraying heads are axially distributed on the lower end surface of the spraying shell and used for spraying slurry to the bottom of the inspection well.

5. The rotary sprayer for repairing a reinforced concrete inspection well according to claim 4, wherein an umbrella-shaped spraying cover is installed on the edge of the lower end surface of the spraying housing, and the spraying cover separates the spraying head on the outer peripheral surface from the spraying head on the lower end surface.

6. The rotary sprayer for repairing a reinforced concrete inspection well according to claim 4, wherein the size of the spray head is DN5-10cm.

7. The rotary sprayer for repairing the reinforced concrete inspection well according to claim 1, wherein the butt joint assembly comprises a butt joint shell, the butt joint shell is of a hollow structure, a supporting hanging plate is integrally connected to the periphery of the top of the butt joint shell, and the hanging holes are uniformly distributed in the circumferential direction on the supporting hanging plate.