CN220716372U

CN220716372U - Polyurea spraying device for well wall

Info

Publication number: CN220716372U
Application number: CN202322315134.XU
Authority: CN
Inventors: 顾磊; 岳立章; 尤庆飞; 李辉; 吴来顺
Original assignee: Municipal Environmental Construction Co Ltd of CREC
Current assignee: Municipal Environmental Construction Co Ltd of CREC
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-05
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to a well wall polyurea spraying device which comprises a mounting tube and two circular plates, wherein the two circular plates are respectively fixed on the upper side and the lower side of the inner wall of the mounting tube, two lifting lugs which are used for being connected with an external middle lifting machine are fixed on the upper surface of the upper circular plate, a supporting mechanism for supporting the mounting tube is arranged on the circular plate, and a spraying mechanism for cleaning a well wall and spraying polyurea is arranged on the circular plate. This wall of a well polyurea spraying device through equipment such as loop wheel machine and screw mechanism, has realized automation mechanized operation and continuous operation, has improved work efficiency, and clearance and spraying can accomplish in shorter time, have saved manpower and time cost, according to the internal diameter size of wall of a well, can be through the expansion angle of adjusting the bracing piece for leading wheel and wall of a well in close contact with, ensure stability and the accuracy in the spraying process, the regulation of bracing piece angle can adapt to the demand of different diameter walls of a well.

Description

Polyurea spraying device for well wall

Technical Field

The utility model relates to the technical field of well wall treatment, in particular to a well wall polyurea spraying device.

Background

The well wall polyurea spraying is a coating technology applied to the surface of a well wall, and the well wall is protected and repaired by using a polyurea material in a spraying mode. The technology is commonly used in the fields of oil-gas wells, water wells, geothermal wells, underground structures and the like to provide the functions of corrosion resistance, water resistance, reinforcement and the like of well walls.

The well wall polyurea spraying is generally required to be performed at a well site, and may be required to be performed under a severe working environment, which may be limited, for example, under narrow, high temperature or high humidity conditions, construction may become difficult, and meanwhile, chemical substances used for the polyurea spraying may release harmful gases or generate irritating odors, constructors may suffer from skin, eyes and respiratory tract irritation during contacting the chemical substances, and long-term exposure may cause health problems of respiratory systems, skin and eyes, so a well wall polyurea spraying apparatus is proposed to solve the above technical problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a well wall polyurea spraying device which has the advantages of good safety coefficient and the like, and solves the problems that constructors can be stimulated by skin, eyes and respiratory tract in the process of contacting the chemical substances, and the respiratory system, the skin and the eyes can be caused by long-term exposure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a well wall polyurea spraying device comprises an installation tube and two circular plates;

the two circular plates are respectively fixed on the upper side and the lower side of the inner wall of the mounting tube, and the upper surface of the upper circular plate is fixed with two lifting lugs which are used for being connected with an external middle lifting machine;

the circular plate is provided with a supporting mechanism for supporting the installation tube, and the circular plate is provided with a spraying mechanism for cleaning the well wall and spraying polyurea;

wherein, supporting mechanism includes the threaded rod, the threaded rod rotates to be connected between two opposite one sides of plectane, the upside the center department of plectane upper surface rotates and is connected with one end and threaded rod fixed connection's hand wheel, the outside threaded connection of threaded rod has two movable disks, two the outside of movable disk all is fixed with three connecting rod, the one end that movable disk was kept away from to the connecting rod is fixed with the slider, the outside of slider is equipped with two and all fixes the draw runner at the installation tube inner wall, one side that the connecting rod was kept away from to the slider articulates through the articulated shaft has the actuating lever, the one end that the slider was kept away from to the actuating lever articulates through the articulated seat has the bracing piece, the one end of bracing piece articulates at the inner wall of installation tube through the articulated seat, the other end rotation of bracing piece is connected with the leading wheel.

Further, one of the sliding blocks is connected between the two sliding strips in a sliding mode, threads on the outer surface of the threaded rod are divided into two sections, and the two sections of threads are opposite.

Further, the number of the support rods is six, and six square openings which are respectively used for the six support rods to rotate are formed in the inner wall of the installation tube.

Further, the two movable disks are symmetrically distributed on the upper side and the lower side of the transverse central axis of the threaded rod.

Further, the spraying mechanism comprises a cleaning assembly and a spraying assembly, the cleaning assembly comprises an air pump, the air pump is fixed on the right side of the upper surface of the lower circular plate, the output end of the air pump is fixedly communicated with an air outlet pipe, one end of the air outlet pipe penetrates through the lower circular plate and extends to the outer side of the installation pipe, a plurality of first cross rods are fixed on the outer side of the installation pipe, and one end, far away from the installation pipe, of each first cross rod is fixedly communicated with an air outlet ring;

the spraying assembly comprises a plurality of second cross bars, the second cross bars are fixed on the upper side of the outer surface of the installation tube, one end, far away from the installation tube, of each second cross bar is fixed with a spray paint ring, and two connecting pipes which are connected inside the installation tube in a penetrating mode are fixedly communicated with the inner side of each spray paint ring.

Further, the outer diameter of the paint spraying ring is equal to the outer diameter of the air outlet ring, and the connecting pipe is fixedly communicated with a high-pressure pneumatic spraying machine in the outside.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this wall of a well polyurea spraying device through equipment such as loop wheel machine and screw mechanism, has realized automation mechanized operation and continuous operation, has improved work efficiency, and clearance and spraying can accomplish in shorter time, have saved manpower and time cost, according to the internal diameter size of wall of a well, can be through the expansion angle of adjusting the bracing piece for leading wheel and wall of a well in close contact with, ensure stability and the accuracy in the spraying process, the regulation of bracing piece angle can adapt to the demand of different diameter walls of a well.

2. This wall of a well polyurea spraying device, through high-pressure gas from the ring jet of giving vent to anger, can clear up the spot and the adhesion thing on the wall of a well effectively, the powerful cleaning effect that can reach of spraying of gas ensures that the well inner wall keeps clean and does not have the spot, provides good basis for follow-up spraying, in the spraying process, evenly sprays the polyurea on the wall of a well through high-pressure pneumatic flush coater and paint ring, ensures homogeneity and the uniformity of coating, and the spraying mode can cover whole wall of a well surface, has guaranteed the integrality and the uniformity of polyurea coating.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a support mechanism according to the present utility model;

FIG. 3 is a schematic view of a spray mechanism according to the present utility model.

In the figure: 1. installing a pipe; 2. a circular plate; 3. a support mechanism; 301. a threaded rod; 302. a hand wheel; 303. a moving tray; 304. a connecting rod; 305. a slide block; 306. a slide bar; 307. a driving rod; 308. a support rod; 309. a guide wheel; 4. a spraying mechanism; 401. an air pump; 402. an air outlet pipe; 403. a first cross bar; 404. an air outlet ring; 405. a second cross bar; 406. a paint spraying ring; 407. and (5) connecting pipes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the well wall polyurea spraying device in this embodiment includes a mounting tube 1 and two circular plates 2, the two circular plates 2 are respectively fixed on the upper and lower sides of the inner wall of the mounting tube 1, two lifting lugs 5 connected with a crane in the outside are fixed on the upper surface of the upper circular plate 2, when the well wall is cleaned, the side lugs are firstly connected with the crane in the outside, the mounting tube 1 is lifted and placed into the well through the crane, a supporting mechanism 3 for supporting the mounting tube 1 is arranged on the circular plate 2, and a spraying mechanism 4 for cleaning the well wall and spraying polyurea is arranged on the circular plate 2.

Referring to fig. 2, in order to adapt to shafts with different diameters, the supporting mechanism 3 in this embodiment includes a threaded rod 301, the threaded rod 301 is rotatably connected between opposite sides of two circular plates 2, a hand wheel 302 with one end fixedly connected with the threaded rod 301 is rotatably connected at the center of the upper surface of the upper circular plate 2, two movable disks 303 are rotatably connected at the outer side of the threaded rod 301, the threaded rod 301 connected with the threaded rod 301 is driven to rotate by the rotating hand wheel 302, the threaded rod 301 is rotatably driven to move by the threaded connection, three connecting rods 304 are respectively fixed at the outer sides of the two movable disks 303, one end of each connecting rod 304, which is far away from the movable disk 303, is fixedly provided with a sliding block 305 connected with the movable disk 303, slides in a sliding bar 306, two sliding bars 306 are respectively fixed at the outer sides of the sliding block 305, one side, which is far away from the connecting rod 304, of the sliding block 307 is hinged with a driving rod 307 through a hinge shaft, namely, when the sliding block 305 moves upwards, one end, which is hinged with the sliding block 305, is driven by the driving rod 307, and one end, which is hinged with a supporting rod 308, is driven by the driving rod 308, and simultaneously, the other end, which is connected with the supporting rod 308 is hinged with a guide wheel 308 through the hinge base, and the inner diameter of the sliding rod 308, and is enabled to be unfolded by the sliding rod 308, and the inner diameter of the sliding rod 308, and the guide wheel, and the sliding rod 308 is further enabled to be unfolded by the inner wall of the guide tube 308.

One of them slider 305 sliding connection is between two draw bars 306, and the screw thread of threaded rod 301 surface divide into two sections and two sections screw threads are opposite, and the quantity of bracing piece 308 is six, and six square mouths that just supply six bracing pieces 308 rotatory respectively have been seted up to the inner wall of mounting tube 1, and two movable disks 303 are the upper and lower both sides of the horizontal axis of symmetric distribution at threaded rod 301.

In the supporting mechanism 3 of the present embodiment, the hand wheel 302 is rotated to drive the threaded rod 301 connected with the hand wheel to rotate, and the threaded rod 301 is in threaded connection to drive the two moving plates 303 to move, that is, when the sliding block 305 moves upwards, the hinged end of the driving rod 307 and the sliding block 305 rotates along with the movement, and the hinged end of the driving rod 307 and the supporting rod 308 jacks up the supporting rod 308, at this time, the six supporting rods 308 are unfolded simultaneously, and the unfolding angle of the supporting rod 308 is adjusted according to the inner diameter of the well wall.

Referring to fig. 3, in order to play the roles of spraying polyurea and cleaning the well wall, the spraying mechanism 4 in this embodiment includes a cleaning assembly and a spraying assembly, the cleaning assembly includes an air pump 401, the air pump 401 is fixed on the right side of the upper surface of the lower circular plate 2, the output end of the air pump 401 is fixedly communicated with an air outlet pipe 402, one end of which penetrates through the lower circular plate 2 and extends to the outer side of the installation pipe 1, a plurality of first cross rods 403 are fixed on the outer side of the installation pipe 1, one end of the first cross rods 403, far away from the installation pipe 1, is fixedly communicated with the air outlet pipe 402, the direction of the installation pipe 1 is controlled by a crane, an electric control switch of the air pump 401 is opened, the air pump 401 conveys generated high-pressure air into the air outlet ring 404 through the air outlet pipe 402, and stains adhered on the well wall are cleaned after being sprayed out through the air outlet ring 404.

The spraying subassembly includes a plurality of second horizontal pole 405, and the upside at the installation tube 1 surface is all fixed to a plurality of second horizontal pole 405, and the one end that installation tube 1 was kept away from to second horizontal pole 405 is fixed with the paint spraying ring 406, and the inboard fixed intercommunication of paint spraying ring 406 has two and all runs through the connecting pipe 407 of connection in installation tube 1 inside, and the inner wall of well is cleared up in the process of whereabouts to the ring 404 of giving vent to anger, and then high-pressure pneumatic flush coater carries the polyurea of extraction to the inside of two connecting pipes 407.

The external diameter of ring 406 that sprays paint equals with the external diameter of ring 404 that gives vent to anger, carry the inside of ring 406 that sprays paint with the polyurea through two connecting pipes 407, spray the polyurea through the ring 406 that sprays paint finally on the wall of a well after the clearance, and then accomplish the spraying treatment to the wall of a well polyurea, the connecting pipe 407 is fixed the intercommunication with the high-pressure pneumatic flush coater among the external world, it should be noted that high-pressure pneumatic flush coater is prior art, and its model is OMD6C (A), carry the polyurea to the inside of ring 406 that sprays paint through high-pressure pneumatic flush coater in the middle of this application, and then carry out the spraying treatment to the wall of a well.

The spraying mechanism 4 in this embodiment can effectively clean dirt and adhesion on the well wall by spraying high-pressure gas from the gas outlet ring 404, the spraying strength of the gas can achieve a higher cleaning effect, the inner wall of the well is ensured to be clean and free of dirt, and a good foundation is provided for subsequent spraying.

The working principle of the embodiment is as follows:

when the well wall is cleaned, the side ears are connected with a crane in the outside, the installation tube 1 is lifted and placed into the interior of the well by the crane, the threaded rod 301 connected with the side ears is driven to rotate by rotating the hand wheel 302, the two movable disks 303 are driven to move by rotating the threaded rod 301 under the action of the threaded connection, namely the movable disks 303 drive the sliding block 305 connected with the movable disks to slide in the sliding block 306 in the moving process, namely when the sliding block 305 moves upwards, one hinged end of the driving rod 307 and the sliding block 305 rotates along with the sliding block, one hinged end of the driving rod 307 and the supporting rod 308 jacks up the supporting rod 308, at the moment, the six supporting rods 308 are unfolded simultaneously, the unfolding angle of the supporting rod 308 is adjusted according to the inner diameter of the well wall, and then the guide wheels 309 on the six support rods 308 can be contacted with the well wall, at this time, the crane is used for installing the pipe 1, the electric control switch of the air pump 401 is turned on, the air pump 401 is used for conveying generated high-pressure air to the inside of the air outlet ring 404 through the air outlet pipe 402, and cleaning stains adhered to the well wall after being sprayed out through the air outlet ring 404, namely, the inner wall of the well is cleaned in the falling process of the air outlet ring 404, then the high-pressure pneumatic spraying machine is used for conveying the extracted polyurea to the inside of the two connecting pipes 407, then the polyurea is conveyed to the inside of the spray ring 406 through the two connecting pipes 407, and finally the polyurea is sprayed to the cleaned well wall through the spray ring 406, so that the spraying treatment of the polyurea on the well wall is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wall of a well polyurea spraying device, includes mounting tube (1) and two plectane (2), its characterized in that:

the two circular plates (2) are respectively fixed on the upper side and the lower side of the inner wall of the mounting pipe (1), and two lifting lugs (5) which are used for being connected with an external middle crane are fixed on the upper surface of the upper circular plate (2);

the circular plate (2) is provided with a supporting mechanism (3) for supporting the installation tube (1), and the circular plate (2) is provided with a spraying mechanism (4) for cleaning a well wall and spraying polyurea;

wherein, supporting mechanism (3) include threaded rod (301), threaded rod (301) rotate and connect between the opposite one side of two plectanes (2), the upside the center department rotation of plectane (2) upper surface is connected with hand wheel (302) of one end and threaded rod (301) fixed connection, the outside threaded connection of threaded rod (301) has two movable disks (303), two the outside of movable disks (303) all is fixed with three connecting rod (304), the one end that movable disks (303) were kept away from to connecting rod (304) is fixed with slider (305), the outside of slider (305) is equipped with two and all fixes slide bar (306) at mounting tube (1) inner wall, one side that slider (305) kept away from connecting rod (304) articulates through the articulated shaft has actuating lever (307), the one end that slider (305) were kept away from to actuating lever (307) articulates through articulated seat has bracing piece (308), the one end of bracing piece (308) articulates at the inner wall of mounting tube (1) through articulated seat, the other end rotation of bracing piece (308) is connected with leading wheel (309).

2. The well wall polyurea spraying apparatus according to claim 1, wherein: one of the sliding blocks (305) is connected between two sliding strips (306) in a sliding way, and the threads on the outer surface of the threaded rod (301) are divided into two sections, and the two sections of threads are opposite.

3. The well wall polyurea spraying apparatus according to claim 1, wherein: the number of the supporting rods (308) is six, and six square openings which are respectively used for the six supporting rods (308) to rotate are formed in the inner wall of the installation tube (1).

4. The well wall polyurea spraying apparatus according to claim 1, wherein: the two movable disks (303) are symmetrically distributed on the upper side and the lower side of the transverse central axis of the threaded rod (301).

5. The well wall polyurea spraying apparatus according to claim 1, wherein: the spraying mechanism (4) comprises a cleaning assembly and a spraying assembly, the cleaning assembly comprises an air pump (401), the air pump (401) is fixed on the right side of the upper surface of the lower circular plate (2), an air outlet pipe (402) with one end penetrating through the lower circular plate (2) and extending to the outer side of the mounting pipe (1) is fixedly communicated with the output end of the air pump (401), a plurality of first cross rods (403) are fixed on the outer side of the mounting pipe (1), and an air outlet ring (404) fixedly communicated with the air outlet pipe (402) is fixed at one end, far away from the mounting pipe (1), of the first cross rods (403);

the spraying assembly comprises a plurality of second cross bars (405), the second cross bars (405) are all fixed on the upper side of the outer surface of the installation pipe (1), one end, away from the installation pipe (1), of each second cross bar (405) is fixed with a spraying paint ring (406), and two connecting pipes (407) which are all connected inside the installation pipe (1) in a penetrating mode are fixedly communicated with the inner side of each spraying paint ring (406).

6. The well wall polyurea spraying apparatus according to claim 5, wherein: the outer diameter of the paint spraying ring (406) is equal to the outer diameter of the air outlet ring (404), and the connecting pipe (407) is fixedly communicated with a high-pressure pneumatic spraying machine in the outside.