Non-excavation pipeline repairing device

By designing a non-excavated pipeline repair device with split-mounted housing, telescopic pulley mechanism and telescopic cleaning components, the problem that existing devices cannot adapt to pipes and attachments in different specifications is solved, and efficient cleaning and repair of pipes in different specifications is achieved.

CN222848903UActive Publication Date: 2025-05-09HENGSHUI HUIGANG RUBBER & PLASTIC CO LTD
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Patent Information

Application Number
CN202421745449.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-09
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The existing non-excavation pipeline repair devices cannot adapt to the cleaning of pipes of different specifications and attachments of different thicknesses, resulting in poor cleaning results.

Method used

A non-excavation pipeline repair device is designed, adopting a split-mounted housing and a telescopic pulley mechanism, and adapting to pipes and attachments of different specifications through vertically sliding cleaning mechanisms and retractable cleaning components.

Benefits of technology

The device can be adjusted according to the length and size of the pipe, and through the adaptability of the telescopic pulley mechanism and cleaning components, it can achieve efficient cleaning and repair of pipes of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a trenchless pipeline repairing device which comprises a split type installation shell formed by connecting and fixing three independent installation shells in series, the front portion and the rear portion of the left side face and the right side face of the split type installation shell are respectively and fixedly connected with two pulley installation frames, and the inner sides of the four pulley installation frames are rotationally connected with two electric sliding blocks. The cleaning assembly drives a first fixing piece through a second electric push rod so that four arc-shaped scraping plates can move, the number of independently-installed shells can be conveniently increased or decreased according to the length of a pipeline through the split-type installation shells so that the cleaning assembly can adapt to the length of the pipeline, and the cleaning assembly can adapt to pipelines of different specified sizes through a telescopic pulley mechanism; the cleaning mechanism is vertically connected to the front side face of the split type mounting shell in a sliding mode so as to adapt to the size of a pipeline through the telescopic pulley mechanism and change of the overall center point of the device, and pipelines of different specifications and sizes can be adapted and cleaned through stretching and retracting of the cleaning assembly.
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Description

Technical Field

[0001] The utility model relates to the relevant field of trenchless pipeline repairing devices, in particular to a trenchless pipeline repairing device. Background Art

[0002] With the continuous development of urban construction, the construction of drainage pipelines has increased year by year. When the buried pipeline leaks or perforates due to vehicles or other factors during use, the traditional excavation repair is likely to affect roads and other pipelines. Trenchless pipeline repair technology is more suitable for the current pipeline repair needs. Among the related technologies, the pull-in in-situ curing repair method is a type of trenchless pipeline repair method. It mainly pulls the hose into the cleaned pipeline to be repaired, expands the hose to fit the pipeline, and uses ultraviolet rays to cure the hose to quickly repair the pipeline. Among them, the staff mainly uses high-pressure water pipes to pre-clean the pipeline.

[0003] The existing Chinese utility model patent with patent number: CN202321650607.5 discloses "A Trenchless Pipeline Repair Device". The utility model sets an image acquisition device on an L-shaped water pipe. One end of the L-shaped water pipe is connected to the pressure reducing mechanism through a first gear, and the other end of the L-shaped water pipe passes through a slide rail and is connected to a slider. The slider is slidably connected to the slide rail. A fixed cylinder is connected to the slider, and a water guide cavity is arranged in the fixed cylinder. The L-shaped water pipe is connected to the water guide cavity through the slider. A scraper is connected to the fixed cylinder, and a plurality of spray holes are arranged in the scraper. The plurality of spray holes are connected to the water guide cavity, so that the inner wall of the pipeline can be cleaned before the pull-in in-situ curing repair, thereby reducing the influence of attachments on the repair effect.

[0004] Although the above device has certain advantages in cleaning, since the size of the slide rail is fixed, the cleaning range of the scraper is fixed, making the device unsuitable for cleaning pipes of different specifications and attachments of different thicknesses, and there is much room for improvement. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a trenchless pipeline repair device.

[0006] The utility model is implemented by constructing a non-excavation pipeline repair device, which includes:

[0007] A split installation housing, wherein the split installation housing is composed of three separate installation housings fixed in series;

[0008] Wherein, the front and rear parts of the left and right sides of the split installation shell are respectively fixedly connected with two pulley mounting frames, and the inner sides of the four pulley mounting frames are rotatably connected with two electric slides;

[0009] A telescopic pulley mechanism, wherein two telescopic pulley mechanisms are arranged at the front and rear parts of the top of the split mounting housing;

[0010] A cleaning mechanism, the rear end of which is vertically slidably connected to the front side of the split installation housing;

[0011] Cleanup agencies also include:

[0012] A cleaning component drives the first fixing member through the second electric push rod to cause four arc-shaped scrapers to move.

[0013] Preferably, the telescopic pulley mechanism comprises:

[0014] A first electric push rod, wherein the output shaft on the front side of the first electric push rod is fixedly connected to the rear end of the first transmission rod;

[0015] Among them, the middle part of the first transmission rod passes through and is slidably connected to the middle part of the fixed block, the bottom of the fixed block is fixedly connected to the top surface of the first mounting base plate, the front end of the first transmission rod is fixedly connected to a fixed plate, the upper end of the fixed plate is rotatably connected to the front end of the first rotating rod, and the rear end of the first rotating rod is rotatably connected to the second pulley.

[0016] Preferably, the rear end of the first rotating rod is rotatably connected to the front end of the second rotating rod, the rear end of the second rotating rod is rotatably connected to the top surface of the fixed block, the front side surface of the first mounting base plate is fixedly connected to the front fixing plate, and the bottom of the first mounting base plate is fixedly connected to the top surface of the split mounting shell, and the left and right parts of the front side surface of the first electric push rod are fixedly connected to the side fixing plates.

[0017] Preferably, the cleaning mechanism comprises:

[0018] A second mounting base plate, the bottom of which is slidably connected to the front side of the split mounting housing;

[0019] The first drive motor is fixedly connected to the middle of the top surface of the second mounting base plate, the output shaft of the first drive motor is fixedly connected to the middle of the bottom of the third mounting base plate, and an annular groove is provided at the bottom of the third mounting base plate.

[0020] Preferably, the bottom of the third mounting base plate is slidably connected to the upper ends of four support rods through an annular groove, the lower ends of the four support rods are fixedly connected to the four corners of the top surface of the second mounting base plate, a second electric push rod is fixedly connected to the middle of the top surface of the third mounting base plate, the top surface output shaft of the second electric push rod is fixedly connected to the second transmission rod, and the upper end of the second transmission rod is slidably connected to the first fixing part.

[0021] Preferably, the top surface of the upper end of the second transmission rod is fixedly connected to a limited top plate, a return spring is sleeved on the middle part of the second transmission rod, the upper end of the return spring is in contact with the bottom of the first fixing member, the lower end of the return spring is in contact with the top surface of the first driving motor, and four cleaning components are arranged around the outer end of the first fixing member and the outer side of the third mounting base plate.

[0022] Preferably, the cleaning component comprises:

[0023] An arc-shaped scraper, the bottom of which is slidably connected to the outer ends of two sliding fixing rods;

[0024] Among them, the inner end of the sliding fixed rod has a through hole and is slidably connected to the middle part of the fixed short rod, the two fixed short rods are fixedly connected to the outer ring of the top surface of the third mounting base plate, the middle part of the inner side of the arc-shaped scraper is fixedly connected with a second fixing piece, the left side surface of the inner end of the second fixing piece is rotatably connected to the outer end of the third rotating rod, the inner end of the third rotating rod is rotatably connected to the outer ring of the top surface of the third mounting base plate, the right side surface of the inner end of the second fixing piece is rotatably connected to the outer end of the fourth rotating rod, and the inner end of the fourth rotating rod is rotatably connected to the outer end of the first fixing piece.

[0025] The utility model has the following advantages: The utility model provides a trenchless pipeline repair device through improvement, which has the following improvements compared with the same type of equipment:

[0026] The utility model discloses a trenchless pipeline repair device, which provides a split installation shell to facilitate the selection of adding or reducing separate installation shells according to the length of the pipeline so as to adapt to the length of the pipeline, and provides a telescopic pulley mechanism to adapt to pipelines of different specified sizes, and connects a cleaning mechanism to the front side of the split installation shell through vertical sliding to adapt to the size of the pipeline through the telescopic pulley mechanism, and changes in the overall center point of the device, and adapts to and cleans pipelines of different specifications and sizes through the telescopic cleaning component. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the structure of the telescopic pulley mechanism of the utility model;

[0029] Figure 3 It is a schematic diagram of the cleaning mechanism structure of the utility model;

[0030] Figure 4 It is a schematic diagram of the cleaning component structure of the utility model.

[0031] Wherein: split installation housing-101, pulley mounting frame-102, electric slide-103, telescopic pulley mechanism-201, first electric push rod-202, first transmission rod-203, fixed block-204, fixed plate-205, first installation base plate-206, first rotating rod-207, second pulley-208, second rotating rod-209, front fixing plate-210, side fixing plate-211, cleaning mechanism-301, second installation Mounting base plate 302, first driving motor 303, third mounting base plate 304, supporting rod 305, second electric push rod 306, second transmission rod 307, first fixing member 308, limiting top plate 309, return spring 310, cleaning assembly 311, arc scraper 312, sliding fixing rod 313, fixing short rod 314, second fixing member 315, third rotating rod 316, fourth rotating rod 317. DETAILED DESCRIPTION

[0032] The following is combined with Figures 1 to 4 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0033] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] Embodiment 1:

[0036] See also Figure 1 and Figure 2The utility model provides a trenchless pipeline repair device, comprising:

[0037] The split installation housing 101 is composed of three separate installation housings fixed in series, which is convenient for adjustment and assembly according to pipelines of different lengths;

[0038] The front and rear parts of the left and right sides of the split installation housing 101 are respectively fixedly connected to two pulley mounting frames 102, and the inner sides of the four pulley mounting frames 102 are rotatably connected to two electric slides 103;

[0039] Telescopic pulley mechanism 201, two telescopic pulley mechanisms 201 are arranged at the front and rear of the top of the split installation housing 101;

[0040] The cleaning mechanism 301, the rear end of the cleaning mechanism 301 is vertically slidably connected to the front side of the split installation housing 101, so as to adapt to the center point of the device after adjusting the telescopic pulley mechanism 201, and then adapt to pipes of different specifications;

[0041] The cleaning mechanism 301 also includes:

[0042] The cleaning assembly 311 drives the first fixing member 308 through the second electric push rod 306 to cause the four arc-shaped scrapers 312 to move.

[0043] The telescopic pulley mechanism 201 comprises:

[0044] A first electric push rod 202, wherein the output shaft on the front side of the first electric push rod 202 is fixedly connected to the rear end of the first transmission rod 203;

[0045] The middle part of the first transmission rod 203 passes through and is slidably connected to the middle part of the fixed block 204, the bottom of the fixed block 204 is fixedly connected to the top surface of the first mounting base plate 206, the front end of the first transmission rod 203 is fixedly connected to a fixed plate 205, the upper end of the fixed plate 205 is rotatably connected to the front end of the first rotating rod 207, the rear end of the first rotating rod 207 is rotatably connected to the second pulley 208, the rear end of the first rotating rod 207 is rotatably connected to the front end of the second rotating rod 209, the rear end of the second rotating rod 209 is rotatably connected to the top surface of the fixed block 204, the front side surface of the first mounting base plate 206 is fixedly connected to a front fixing plate 210, and the bottom of the first mounting base plate 206 is fixedly connected to the top surface of the split mounting shell 101, and the left and right parts of the front side surface of the first electric push rod 202 are fixedly connected to side fixing plates 211, so as to drive the second pulley 208 to move, thereby resisting the top surface of the inner side of the pipeline.

[0046] The working principle of a trenchless pipeline repair device based on the first embodiment is:

[0047] The device is placed in the pipe to be repaired, and the output shaft of the first electric push rod 202 in the telescopic pulley mechanism 201 drives the first transmission rod 203 to be displaced, thereby driving the fixed plate 205 to slide on the top surface of the front end of the first mounting base plate 206, thereby driving the first rotating rod 207 to rotate in coordination with the second rotating rod 209, thereby driving the second pulley 208 to be displaced, so that the second pulley 208 is against the top surface of the inner side of the pipe, so that the electric pulley 103 presses down on the inner bottom of the pipe to obtain sufficient friction force and thereby drive the device to be displaced inside the pipe.

[0048] Embodiment 2:

[0049] See also Figure 1 , Figure 3 and Figure 4 Compared with the first embodiment, the present invention is a trenchless pipeline repair device. The present embodiment further includes: a cleaning mechanism 301 includes:

[0050] A second mounting base plate 302, the bottom of which is slidably connected to the front side of the split mounting housing 101;

[0051] Among them, the middle part of the top surface of the second mounting base plate 302 is fixedly connected with the first driving motor 303. The output shaft of the top surface of the first driving motor 303 is fixedly connected to the middle part of the bottom of the third mounting base plate 304. The bottom of the third mounting base plate 304 is provided with an annular groove to increase the stability of the third mounting base plate 304 when rotating. The bottom of the third mounting base plate 304 is slidably connected to the upper ends of four support rods 305 through the annular groove. The lower ends of the four support rods 305 are fixedly connected to the four corners of the top surface of the second mounting base plate 302. The middle part of the top surface of the third mounting base plate 304 is fixedly connected with the second electric push rod 306. The output shaft of the top surface of the second electric push rod 306 is fixedly connected to the second transmission rod 307. The upper end of the transmission rod 307 is slidably connected to the first fixing piece 308, and the top surface of the upper end of the second transmission rod 307 is fixedly connected to the limiting top plate 309, so as to cooperate with the second electric push rod 306 to change the outer ring size of the cleaning component 311 composed of the arc scraper 312. A return spring 310 is sleeved on the middle part of the second transmission rod 307, and the upper end of the return spring 310 is in contact with the bottom of the first fixing piece 308, and the lower end of the return spring 310 is in contact with the top surface of the first drive motor 303, so as to reset the cleaning component 311. Four cleaning components 311 are arranged around the outer end of the first fixing piece 308 and the outer side of the third mounting base plate 304, so as to clean the attachments on the inner side of the pipeline.

[0052] The cleaning assembly 311 includes:

[0053] The arc-shaped scraper 312, the bottom of the arc-shaped scraper 312 is slidably connected to the outer ends of the two sliding fixing rods 313, so as to increase the firmness of the arc-shaped scraper 312 and prevent the arc-shaped scraper 312 from falling when scraping off the attached matter;

[0054] The inner end of the sliding fixed rod 313 is through-hole and slidably connected to the middle part of the fixed short rod 314. The two fixed short rods 314 are fixedly connected to the outer ring of the top surface of the third mounting base plate 304. The second fixing member 315 is fixedly connected to the middle part of the inner side of the arc scraper 312. The left side of the inner end of the second fixing member 315 is rotatably connected to the outer end of the third rotating rod 316. The inner end of the third rotating rod 316 is rotatably connected to the outer ring of the top surface of the third mounting base plate 304. The right side of the inner end of the second fixing member 315 is rotatably connected to the outer end of the fourth rotating rod 317. The inner end of the fourth rotating rod 317 is rotatably connected to the outer end of the first fixing member 308.

[0055] In this embodiment:

[0056] When the device is displaced, the telescopic pulley mechanism 201 on the front side of the split installation housing 101 scrapes and cleans the attachments inside the pipe through the arc-shaped scraper 312 in the cleaning mechanism 301;

[0057] During this process, the output shaft of the first driving motor 303 of the cleaning mechanism 301 drives the third mounting base plate 304 to rotate, so that the third mounting base plate 304 cooperates with the support rod 305 to drive the four cleaning components 311 to rotate, so that the arc scraper 312 can completely clean the attachments inside the pipe;

[0058] When it is necessary to adjust the cleaning component 311 according to pipes of different specifications, the second transmission rod 307 is extended and retracted through the output shaft of the second electric push rod 306, thereby driving the limiting top plate 309 to move, and the limiting top plate 309 cooperates with the return spring 310 to drive the first fixing member 308 to move, thereby driving the fourth rotating rod 317 to rotate, and the arc scraper 312 is pushed to move on the sliding fixing rod 313 through the second fixing member 315, and at the same time drives the sliding fixing rod 313 to cooperate with the fixed short rod 314 to make a certain displacement, thereby changing the size of the outer circle of the four cleaning components 311 composed of the arc scraper 312, thereby adapting to pipes of different specifications.

[0059] The utility model provides a trenchless pipeline repair device through improvement. By setting a split installation shell 101, it is convenient to increase or reduce the number of separate installation shells according to the length of the pipeline to adapt to the length of the pipeline. By setting a telescopic pulley mechanism 201, it can adapt to pipelines of different specified sizes. By vertically sliding a cleaning mechanism 301 connected to the front side of the split installation shell 101 to adapt to the size of the pipeline through the telescopic pulley mechanism 201, the overall center point of the device can be changed, and the cleaning component 311 can be telescopically adapted to and clean pipelines of different sizes.

[0060] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0061] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A trenchless pipeline repair device, comprising: A split installation housing (101), wherein the split installation housing (101) is composed of three separate installation housings fixed in series; The front and rear parts of the left and right sides of the split installation housing (101) are respectively fixedly connected to two pulley mounting frames (102), and the inner sides of the four pulley mounting frames (102) are rotatably connected to two electric slides (103); the characteristic is that it also includes: A telescopic pulley mechanism (201), wherein two telescopic pulley mechanisms (201) are arranged at the front and rear parts of the top of the split installation housing (101); A cleaning mechanism (301), the rear end of the cleaning mechanism (301) being vertically slidably connected to the front side of the split installation housing (101); The cleaning mechanism (301) further comprises: A cleaning component (311), wherein the cleaning component (311) drives the first fixing member (308) via the second electric push rod (306) to cause four arc-shaped scrapers (312) to move.

2. A trenchless pipeline repair device according to claim 1, characterized in that: The telescopic pulley mechanism (201) comprises: A first electric push rod (202), wherein an output shaft on the front side of the first electric push rod (202) is fixedly connected to a rear end of a first transmission rod (203); The middle part of the first transmission rod (203) passes through and is slidably connected to the middle part of the fixed block (204); the bottom of the fixed block (204) is fixedly connected to the top surface of the first mounting base plate (206); the front end of the first transmission rod (203) is fixedly connected to a fixed plate (205); the upper end of the fixed plate (205) is rotatably connected to the front end of the first rotating rod (207); the rear end of the first rotating rod (207) is rotatably connected to a second pulley (208).

3. A trenchless pipeline repair device according to claim 2, characterized in that: The rear end of the first rotating rod (207) is rotatably connected to the front end of the second rotating rod (209), the rear end of the second rotating rod (209) is rotatably connected to the top surface of the fixed block (204), the front side surface of the first mounting base plate (206) is fixedly connected to a front fixing plate (210), and the bottom of the first mounting base plate (206) is fixedly connected to the top surface of the split mounting shell (101), and the left and right parts of the front side surface of the first electric push rod (202) are fixedly connected to side fixing plates (211).

4. A trenchless pipeline repair device according to claim 3, characterized in that: The cleaning mechanism (301) comprises: A second mounting base plate (302), the bottom of the second mounting base plate (302) being slidably connected to the front side of the split mounting housing (101); The middle of the top surface of the second mounting base plate (302) is fixedly connected to a first drive motor (303); the output shaft of the top surface of the first drive motor (303) is fixedly connected to the middle of the bottom of the third mounting base plate (304); and an annular groove is provided at the bottom of the third mounting base plate (304).

5. A trenchless pipeline repair device according to claim 4, characterized in that: The bottom of the third mounting base plate (304) is slidably connected to the upper ends of four support rods (305) through an annular sliding groove, and the lower ends of the four support rods (305) are fixedly connected to the four corners of the top surface of the second mounting base plate (302). A second electric push rod (306) is fixedly connected to the middle of the top surface of the third mounting base plate (304), and a second transmission rod (307) is fixedly connected to the output shaft of the top surface of the second electric push rod (306), and the upper end of the second transmission rod (307) is slidably connected to a first fixing member (308).

6. A trenchless pipeline repair device according to claim 5, characterized in that: The top surface of the upper end of the second transmission rod (307) is fixedly connected to a limiting top plate (309), and a return spring (310) is sleeved on the middle part of the second transmission rod (307). The upper end of the return spring (310) is in contact with the bottom of the first fixing member (308), and the lower end of the return spring (310) is in contact with the top surface of the first driving motor (303). Four cleaning components (311) are arranged around the outer end of the first fixing member (308) and the outer side of the third mounting base plate (304).

7. A trenchless pipeline repair device according to claim 6, characterized in that: The cleaning component (311) comprises: An arc-shaped scraper (312), the bottom of which is slidably connected to the outer ends of two sliding fixing rods (313); The inner end of the sliding fixed rod (313) is through-hole and slidably connected to the middle of the fixed short rod (314); the two fixed short rods (314) are fixedly connected to the outer ring of the top surface of the third mounting base plate (304); a second fixing member (315) is fixedly connected to the middle of the inner side of the arc scraper (312); the left side surface of the inner end of the second fixing member (315) is rotatably connected to the outer end of the third rotating rod (316); the inner end of the third rotating rod (316) is rotatably connected to the outer ring of the top surface of the third mounting base plate (304); the right side surface of the inner end of the second fixing member (315) is rotatably connected to the outer end of the fourth rotating rod (317); the inner end of the fourth rotating rod (317) is rotatably connected to the outer end of the first fixing member (308).

Citation Information

Patent Citations

  • Non-excavation type pipeline repairing device

    CN220061044U