CN210623912U

CN210623912U - Old pipeline spraying prosthetic device

Info

Publication number: CN210623912U
Application number: CN201921729657.6U
Authority: CN
Inventors: 曹桂军
Original assignee: Zhejiang Zhongzhuo Environmental Technology Co Ltd
Current assignee: Zhejiang Zhongzhuo Environmental Technology Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-05-26
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to a prosthetic device of old pipeline spraying, including being responsible for, flatbed, camera and scribbling the workbin, be responsible for and scribble and be connected with the hydraulic pump between the workbin. The main pipe is communicated with a plurality of branch pipes which are arranged at intervals along the circumferential direction of the main pipe. One end of the branch pipe, which is far away from the main pipe, is communicated with a ring pipe, and the ring pipe is sleeved outside the main pipe. The excircle of the ring pipe is connected with a plurality of nozzles. The ring pipe is internally provided with a baffle which is arranged between every two adjacent branch pipes. The main pipe is divided into a plurality of channels by a plurality of clapboards, and the channels are communicated with the branch pipes in a one-to-one correspondence manner. The one end of being responsible for keeping away from the ring canal is connected with many connecting pipes, and the connecting pipe communicates the setting with the passageway one-to-one, and all is connected with the valve on the connecting pipe. The end of each connecting pipe far away from the main pipe is communicated, and the end communicated with the connecting pipes is connected to the paint tank. The utility model discloses the selective pertinence carries out the spraying to old pipeline inner wall and restores for coating effective utilization obtains promoting.

Description

Old pipeline spraying prosthetic device

Technical Field

The utility model relates to a non-excavation pipeline repair technical field, in particular to prosthetic device of old pipeline spraying.

Background

In recent years, accidents caused by corrosion, blockage or damage of pipelines are more and more, and the economic loss is more and more serious. Especially for the treatment of hidden troubles of pipelines in important areas or sensitive areas such as busy areas in cities and towns, rivers and lakes, expressways, railways and the like, the replacement or maintenance of damaged pipelines by adopting the traditional excavation mode is very difficult to implement.

The traditional reconstruction method of the drainage pipeline is to excavate and lay a new pipeline, but as the drainage pipeline is generally arranged in a densely-populated and commercially-prosperous urban area, the periphery of the pipeline is filled with other municipal pipelines and facilities such as sewage, rainwater, coal gas, heat, power, communication cables and the like, and the upper part of pipelines is pressed against a building or is completely pressed under a road, the reconstruction engineering has great difficulty. To solve this problem, trenchless pipeline rehabilitation techniques are used. The drainage pipeline trenchless repairing technology is a high and new technology developed in recent years, has the characteristics of small construction site, simple construction, avoidance of phenomena like pavement settlement or large-area water, low manufacturing cost and the like, and is widely applied. The method for repairing the pipeline by spraying is a representative process technology in the trenchless repairing technology, and the method is characterized in that epoxy resin is used as a spraying material, the material is sequentially sprayed in an old pipeline or a channel box by a rotary spray head under the action of the pulling force of a winch or an artificial method to form a reinforcing layer with a certain thickness, so that a pipeline-lining composite pipe is formed, and the effect of integrally repairing the old pipeline or the channel box is achieved. The technology can improve the pressure resistance, corrosion resistance and wear resistance of the pipeline and prolong the service life of the pipeline or the ditch box. However, the method mainly adopts a hand-held spray gun for spraying in the pipeline by workers at present, and is mainly suitable for in-situ repair of the pipeline with large pipe diameter of more than 800mm or the pipeline with irregular shape, the operation mode causes great threat to the personal safety of the operators, and the difference of the operational proficiency of the workers can cause uneven engineering quality and is difficult to be applied to repair of the damaged pipeline with small pipe diameter. Thus, devices for automated spray repair of pipes have emerged.

Referring to fig. 7 and 8, the automatic spray painting repair apparatus of the prior art includes a main pipe 10, a platform truck 5 supported below the main pipe 10, and a sprayer 25 attached to an end of the main pipe 10, a paint tank 20 is connected to one end of the main pipe 10, and a hydraulic pump 8 is connected between the paint tank 20 and the main pipe 10. A supporting rod 27 is fixed on the upper surface of the flat car 5, and is perpendicular to the supporting rod 27, a clamping member 23 for fixing the main pipe 10 is fixed on the top of the supporting rod 27, and the clamping member 23 can be a hoop or other conventional clamps. The operator places the flat car 5 and the main pipe 10 at the same time at the position of the orifice of the old pipe 1 to be repaired. And then the flat car 5 is controlled by a remote controller to enter the interior of the pipeline to be repaired. The main pipe 10 is also connected with a camera 12; a U-shaped fixing plate 28 is arranged at one end of the main pipe 10, and the camera 12 is fixed in the U-shaped fixing plate 28. The camera 12 is connected with a display screen 9 in a signal mode, and the display screen 9 is installed outside the old pipeline 1 needing to be repaired. With the movement of the flat car 5, the condition of the inner wall of the old pipeline 1 needing to be repaired is displayed on the display screen 9. The nozzle device 24 is a trapezoidal truncated cone, and a plurality of small holes 25 are uniformly arranged on the circumference of the sprayer 24. As the paint flows onto the spray head assembly 24, the spray head assembly 24 evenly sprays the repair paint around the inner wall of the pipe. When the damaged position is displayed on the display screen 9 as the flat car 5 moves, the hydraulic pump 8 is activated to spray the paint from the sprayer 24, and the old pipe 1 is repaired.

The prior art has the following defects: the sprayer sprays the coating on the inner wall of the old pipeline for a circle, and the coating is sprayed on the undamaged part, so that the waste of the coating is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an old pipeline spraying prosthetic devices, it has reached the effect of practicing thrift coating.

The technical purpose of the utility model is realized through following technical scheme: a device for spraying and repairing old pipelines comprises a main pipe, a flat car and a camera; one end of the main pipe is communicated with a coating tank, and a hydraulic pump is connected between the main pipe and the coating tank; the camera is arranged towards the ring pipe, and is in signal connection with a display screen; the flat car is positioned below the main pipe; a plurality of branch pipes are communicated with the main pipe; the branch pipes are arranged at intervals along the circumferential direction of the main pipe, and the flat car is arranged close to the branch pipes; one end of the branch pipe, which is far away from the main pipe, is communicated with a ring pipe, and the ring pipe is sleeved outside the main pipe; the outer circle of the ring pipe is connected with a plurality of nozzles; a baffle is arranged in the ring pipe and is arranged between every two adjacent branch pipes; and the baffle divides the interior of the annular tube into a plurality of cavities; a partition plate is arranged in the main pipe and is positioned between every two adjacent branch pipes; the main pipe is divided into a plurality of mutually isolated channels by the partition boards; the channels are communicated with the branch pipes in a one-to-one correspondence manner; one end of the main pipe, which is far away from the ring pipe, is connected with a plurality of connecting pipes, the connecting pipes are respectively communicated with corresponding channels, and each connecting pipe is connected with a valve; all the connecting pipes are communicated with each other at the ends far away from the main pipe, and the ends communicated with each other are connected to the paint tank.

By adopting the technical scheme, the main pipe enters the old pipeline under the driving of the flat car, and the damage condition of the inner wall of the pipeline is displayed by the camera through the display screen; opening a hydraulic pump connected to one end of the main pipe and a valve on a connecting pipe to be selectively opened; the coating in the coating box enters the pipeline separated by the main pipe partition plate and is communicated with the through hole on the excircle of the ring pipe to spray the inner wall of the damaged pipeline, and the use amount of the coating is greatly saved by the spraying mode of selecting the spraying direction of the spray head.

The utility model discloses further set up to: the number of the branch pipes is at least three, and the cross sections of the baffle plates are matched with the cross sections of the ring pipes.

By adopting the technical scheme, the three branch pipes divide the ring pipe into three parts, so that the spray heads on the ring pipe can spray and repair the inner wall of the pipeline more accurately.

The utility model discloses further set up to: a clamp is sleeved outside the main pipe, and a clamping bolt is arranged at the lower end of the clamp in a penetrating manner; the inner wall of the hoop is tightly propped against the outer wall of the main pipe; the camera is connected to the clamp.

Through adopting above-mentioned technical scheme, the clamp is fixed on being responsible for, provides the specific position that can install for the camera.

The utility model discloses further set up to: two fixing plates extend from the hoop and are arranged in parallel, wherein a bolt is arranged on one fixing plate and is matched with the bolt of the fixing plate; the camera is arranged between the two fixing plates, and the end part of the bolt is tightly propped against the outer wall of the camera.

Through adopting above-mentioned technical scheme, the camera is fixed on the clamp, has fine stability, and the camera of being convenient for carries out stable detection to pipeline inner wall.

The utility model discloses further set up to: and a support assembly is supported below the main pipe and is positioned outside the old pipeline.

Through adopting above-mentioned technical scheme, the support plays a supporting role to being responsible for be responsible for with old pipeline coaxial motion on an axis.

The utility model discloses further set up to: the supporting assembly comprises a straight rod, a sleeve, a support and a positioning bolt, the straight rod is inserted into the sleeve and is in sliding fit along the axial direction of the sleeve, a plurality of holes are formed in the straight rod, and the holes are axially arranged along the straight rod at intervals; the positioning bolt penetrates through the sleeve, the positioning bolt is in threaded fit with the sleeve, and the end part of the positioning bolt is in inserted fit with the hole. The support bracket is fixedly connected to the upper end of the straight rod and supported below the main pipe.

Through adopting above-mentioned technical scheme, the hole that the interval set up on the straight-bar makes the support have flexible effect, is convenient for control to be responsible for the height in old pipeline.

The utility model discloses further set up to: the flat car is provided with two support frames, and the two support frames are arranged at intervals.

Through adopting above-mentioned technical scheme, the support frame has played the effect of support to being responsible for the tip for be responsible for and be in a horizontality.

The utility model discloses further set up to: the supporting frame comprises a sleeve rod, an outer barrel, a clamping piece and a connecting bolt, the sleeve rod is inserted into the outer barrel and is in sliding fit along the axial direction of the outer barrel, a plurality of holes are formed in the sleeve rod, and the holes are arranged at intervals along the axial direction of the sleeve rod; the connecting bolt penetrates through the outer barrel, the connecting bolt is in threaded fit with the outer barrel, and the end part of the connecting bolt is in inserted fit with the hole; the clamping piece is fixedly connected to the upper end of the loop bar and abuts against the lower semicircular outer wall of the main pipe.

Through adopting above-mentioned technical scheme, the support frame can guarantee that the dolly is the state of a water flat line with the support under the motion state. And according to different conditions in the pipeline, the height of the support frame can be adjusted by adjusting the position of the connecting bolt.

To sum up, the utility model discloses following beneficial effect has:

1. the condition on the inner wall of the old pipeline can be clearly seen through the recording of the camera and the display of the display screen, and the inner wall of the old pipeline can be selectively and pertinently sprayed and repaired by controlling the valve on the branch pipe, so that the effective utilization rate of the coating is improved;

2. the support frame plays a role in supporting between the flat car and the main pipe, so that the flat car and the main pipe can effectively and stably move on the inner wall of the pipeline;

3. the supporting component plays a role of supporting the main pipe outside the old pipeline, so that the main pipe and the old pipeline can be on the same axis all the time in the moving process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic structural view of the connecting position of the middle main pipe and the ring pipe according to the present invention;

fig. 5 is a schematic view of the overall structure of the support assembly of the present invention;

FIG. 6 is a schematic structural view of the connecting position between the main pipe and the hydraulic pump according to the present invention;

FIG. 7 is a schematic view of the prior art after the apparatus for spray repairing of old pipelines and old pipelines is separated;

fig. 8 is an enlarged schematic view of a portion of the structure of fig. 7.

Reference numerals: 1. an old pipeline; 2. a spray head; 3. a ring pipe; 4. a branch pipe; 5. flatbed vehicle; 6. a support frame; 7. a valve; 8. a hydraulic pump; 9. a display screen; 10. a main pipe; 11. a baffle plate; 111. a partition plate; 12. a camera; 13. a support assembly; 131. a straight rod; 132. a sleeve; 133. positioning the bolt; 14. a loop bar; 141. an outer cylinder; 142. a connecting bolt; 15. clamping a hoop; 151. clamping a bolt; 152. a connecting assembly; 16. a fixing plate; 161. fixing the bolt; 17. a connecting pipe; 19. a controller; 20. a paint tank; 21. a channel; 22. a cavity; 23. a clamping member; 24. a spraying device; 25. a small hole; 26. supporting; 27. a support bar; 28. a U-shaped fixing plate; 29. a manifold.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1, the utility model discloses a device for spraying and repairing old pipelines, which comprises a main pipe 10 which needs to be inserted into the old pipeline 1. Referring to fig. 2 and 3, a partition 111 is fixed to the main pipe 10 in the axial direction thereof. The partition 111 is provided with three, one side of each of the three partitions 111 is arranged along the axial direction of the main pipe 10, and an included angle of 120 degrees is formed between every two adjacent partitions 111. The three partitions 111 divide the inner space of the main pipe 10 into three passages 21 independent of each other.

One end of the main pipe 10 is extended into the inside of the old pipe 1, and the main pipe 10 is connected to the end thereof with three branch pipes 4. The branch pipes 4 are arranged perpendicular to the main pipe 10, and the bustle pipe 3 and the main pipe 10 are coaxially arranged. And each branch pipe 4 is positioned at the middle position of two adjacent partition boards 111, so that each channel is communicated with one branch pipe 4. One end of each branch pipe 4, which is far away from the main pipe 10, is connected with a ring pipe 3, and the three branch pipes 4 are all communicated with the ring pipe 3. A plurality of spray heads 2 are uniformly arranged on the excircle of the ring pipe 3.

Three baffles 11 are fixed inside the ring pipe 3, and each baffle 11 is positioned between every two adjacent branch pipes 4. The baffle 11 divides the interior of the loop 3 into three cavities 22, so that each cavity 22 is correspondingly communicated with one branch pipe 4.

In order to facilitate the observation of the inside of the old pipeline 1, a camera 12 is further provided on the main pipe 10. The signal on the camera 12 is displayed and installed outside the old pipeline 1, so that the constructor can observe the internal condition of the old pipeline 1 conveniently.

Referring to fig. 1 and 4, a connecting assembly 152 is disposed between the main tube 10 and the camera 12, and the connecting assembly 152 includes a clamp 15, two fixing plates 16, a clamping bolt 151, and a fixing bolt 161. The clamp 15 is sleeved outside the main pipe 10, and the clamping bolt 151 penetrates through the bottom of the clamp 15 to fix the clamp; the clamping bolt 151 and the two fixing plates 16 are parallel to each other on the clamping hoop 15. The two fixing plates 16 are disposed parallel to each other and fixed to the yoke 15, and when installed, the two fixing plates 16 are located above the main pipe 10. The fixing bolt 161 is inserted into one of the fixing plates 16, and the fixing bolt 161 and the fixing plate 16 are engaged with each other by screw threads. When the camera is used, the camera 12 is placed between the two fixing plates 16, and the fixing bolt 161 is rotated to make the end portion of the camera abut against one side of the camera 12, so that the camera 12 is fixed between the two fixing plates 16. Camera 12 signal connection has display screen 9, and display screen 9 installs in old pipeline 1 outside, and the constructor of being convenient for can know the inside condition of old pipeline 1 in real time.

In order to improve the stability of the main pipe 10 when moving inside the old pipe 1, a flat car 5 is provided below the loop pipe 3 at one end inside the old pipe 1. The platform lorry 5 is controlled in its movement by a controller 19 outside the old pipe 1, and the display screen 9 is mounted above the controller 19. Two support frames 6 which are arranged at intervals are fixed on the upper surface of the flat car 5. The support frame 6 comprises a loop bar 14, an outer cylinder 141, a clamping piece 23 and a connecting bolt 142; the loop bar 14 is located in the outer cylinder 141, and a connecting bolt 142 is arranged between the outer cylinder 141 and the loop bar 14. The clamping member 23 is fixed on the top of the loop bar 14, the clamping member 23 can be selected from a hoop or other conventional clamps, and the clamping member 23 is sleeved outside the main pipe 10 during installation.

In order to further improve the structural stability of the main pipe 10 during its movement, in conjunction with fig. 1 and 5, a support assembly 13 is also supported below the main pipe 10, the support assembly 13 being mounted on the outside of the old pipe 1. The support assembly 13 includes a straight rod 131, a sleeve 132, a lug 26, and a positioning bolt 133. The straight rod 131 is located in the sleeve 132, and a positioning bolt 133 is arranged between the sleeve 132 and the straight rod 131. The upper end of the straight rod 131 is fixedly provided with a support 26, and the support 26 is supported below the main pipe 10.

As shown in fig. 6, three connection pipes 17 are connected to one end of the main pipe 10 located outside the old pipe 1. The connecting pipes 17 are arranged in the axial direction of the main pipe 10, and each connecting pipe 17 communicates with a channel 21 (see fig. 3) inside the main pipe 10. The three connecting pipes 17 are all provided with a valve 7, and one end of each connecting pipe 17 far away from the main pipe 10 is communicated with a main pipe 29. The end of the manifold 29 remote from the connecting pipe 17 is connected to the paint tank 20, and the hydraulic pump 8 is connected between the manifold 29 and the paint tank 20.

The utility model discloses a use as follows: the end of the main pipe 10 to which the branch pipe 4 is connected is fixed to a clamp 23 on the flat car 5. Next, the camera 12 is fixed between the two fixing plates 16. The platform lorry 5 is lowered to the opening of the old pipeline 1 and the main pipe 10 rests on the support 26. Through controller 19 control flatbed 5 towards old pipeline 1 internal motion, flatbed 5 is at old pipeline 1 internal motion in-process, and camera 12 scans on the pipeline inner wall, and constructor observes the damaged condition of old pipeline 1 inner wall through the display screen 9 of outside for constructor confirms the position of old pipeline 1 inner wall concrete damage. When a breakage is observed inside the old pipe 1, the hydraulic pump 8 is turned on, the desired connecting pipe 17 is selected, and the valve 7 corresponding to the connecting pipe 17 is opened, so that the paint enters the connecting pipe 17 corresponding to the opened valve 7 through the manifold 29. Then, the paint enters the channel 21 in the main pipe 10 of the corresponding connecting pipe 17, enters the corresponding cavity 22, and finally is swept out of the nozzle 2 corresponding to the cavity 22, so that the inner wall of the old pipeline 1 is repaired.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A device for spraying and repairing old pipelines comprises a main pipe (10), a flat car (5) and a camera (12); one end of the main pipe (10) is communicated with a paint tank (20), and a hydraulic pump (8) is connected between the main pipe (10) and the paint tank (20); the camera (12) is arranged towards the ring pipe (3), and the camera (12) is connected with a display screen (9) in a signal mode; the flat car (5) is positioned below the main pipe (10); the method is characterized in that: a plurality of branch pipes (4) are communicated with the main pipe (10), the branch pipes (4) are arranged at intervals along the circumferential direction of the main pipe (10), and the flat car (5) is arranged close to the branch pipes (4); one end of the branch pipe (4) far away from the main pipe (10) is communicated with a ring pipe (3), and the ring pipe (3) is sleeved outside the main pipe (10); the excircle of the ring pipe (3) is connected with a plurality of nozzles (2); a baffle (11) is arranged in the ring pipe (3), and the baffle (11) is arranged between every two adjacent branch pipes (4); the baffle (11) divides the interior of the ring pipe (3) into a plurality of cavities (22); a partition plate (111) is arranged in the main pipe (10), and the partition plate (111) is positioned between every two adjacent branch pipes (4); and the partition (111) divides the main pipe (10) into a plurality of mutually isolated channels (21); the channels (21) are communicated with the branch pipes (4) in a one-to-one correspondence manner; one end of the main pipe (10) far away from the ring pipe (3) is connected with a plurality of connecting pipes (17), the connecting pipes (17) are respectively communicated with corresponding channels (21), and each connecting pipe (17) is connected with a valve (7); one ends of all the connecting pipes (17) far away from the main pipe (10) are communicated, and the ends of all the connecting pipes (17) communicated with each other are connected to the paint tank (20).

2. The device for spray repairing of old pipeline according to claim 1, wherein: the number of the branch pipes (4) is at least three, and the cross sections of the baffle plates (11) are matched with the cross sections of the ring pipes (3).

3. The device for spray repairing of old pipeline according to claim 1, wherein: a clamp (15) is sleeved outside the main pipe (10), and a clamping bolt (151) penetrates through the lower end of the clamp (15); the inner wall of the hoop (15) is tightly propped against the outer wall of the main pipe (10); the camera (12) is connected to the clamp (15).

4. The device for spray repairing of old pipeline according to claim 3, wherein: two fixing plates (16) extend on the hoop (15), and the two fixing plates (16) are arranged in parallel; a fixing bolt (161) penetrates through one fixing plate (16), and the fixing bolt (161) is in threaded fit with the fixing plate (16); the camera (12) is arranged between the two fixing plates (16), and the end part of the fixing bolt (161) is abutted against the outer wall of the camera (12).

5. The device for spray repairing of old pipeline according to claim 4, wherein: and a support component (13) is also supported below the main pipe (10), and the support component (13) is positioned outside the old pipeline (1).

6. The device for spray repairing of old pipeline according to claim 5, wherein: the supporting assembly (13) comprises a straight rod (131), a sleeve (132), a support (26) and a positioning bolt (133), the straight rod (131) is inserted into the sleeve (132) and is in sliding fit with the sleeve (132) in the axial direction, a plurality of holes are formed in the straight rod (131), and the holes are arranged at intervals in the axial direction of the straight rod; the positioning bolt (133) penetrates through the sleeve (132), the positioning bolt (133) is in threaded fit with the sleeve (132), and the end part of the positioning bolt (133) is in inserted fit with the hole; the support bracket (26) is fixedly connected to the upper end of the straight rod (131), and the support bracket (26) is supported below the main pipe (10).

7. The device for spray repairing of old pipeline according to claim 1, wherein: the flat car (5) is provided with two support frames (6), and the two support frames (6) are arranged at intervals.

8. The device for spray repairing of old pipeline according to claim 7, wherein: the supporting frame (6) comprises a loop bar (14), an outer cylinder (141), a clamping piece (23) and a connecting bolt (142), the loop bar (14) is inserted into the outer cylinder (141) and is in sliding fit along the axial direction of the outer cylinder (141), the loop bar (14) is provided with a plurality of holes, and the holes are arranged at intervals along the axial direction of the loop bar (14); the connecting bolt (142) penetrates through the outer cylinder (141), the connecting bolt (142) is in threaded fit with the outer cylinder (141), and the end part of the connecting bolt (142) is in inserted fit with the hole; the clamping piece (23) is fixedly connected to the upper end of the loop bar (14), and the clamping piece (23) is supported below the main pipe (10).