Non-excavation pipeline repairing device

Abstract

The utility model relates to the technical field of trenchless pipeline repairing devices, and discloses a trenchless pipeline repairing device, which comprises a machine body and a polishing and coating mechanism, the polishing and coating mechanism comprises a rotating frame, the rotating frame is movably connected with an extension bar through a connecting piece, and the extension bar is connected with the machine body. The lengthened rod is movably connected with circular polishing sand through a motor and a rotating shaft, the connecting piece is movably connected with a limiting bolt through a fixing piece, the circular polishing sand abuts against the inner wall of the pipeline by stretching out and drawing back the lengthened rod through the arranged polishing and coating mechanism, and then the circular polishing sand rotates clockwise through a rotating frame; the inner wall of the pipeline is polished by matching with anticlockwise rotation of a rotating shaft of the motor, foreign matters on the inner wall of the pipeline are eliminated, then circular polishing sand is replaced with a brush cylinder with a resin material, the inner wall of the pipeline is coated, and after resin is solidified, a brand new and firm pipeline wall layer is formed, so that the repairing effect is achieved.

Description

Technical Field

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

[0002] Structural damage caused by ground settlement or excessive dynamic load on the ground in urban underground pipelines must be replaced to solve the problem. These pipelines are generally laid on densely populated and commercial urban roads. Excavation construction will cause traffic jams or damage to nearby pipelines. Advanced trenchless repair technology is needed. Trenchless technology is a timely, powerful and irreplaceable advanced means. It is an essential technology for completing the construction of lifeline projects such as urban water, gas, electricity, and communications. It is also one of the basic technologies that must be mastered for the utilization of underground space. It is an important supplement to conventional construction methods for underground projects, and sometimes it is the only choice.

[0003] In the prior art, when repairing a pipeline well, it is necessary to pre-treat the inner wall of the pipeline well, grind off the attached foreign matter, and then spray the resin material, waiting for it to solidify to form a new and solid well wall layer, thereby achieving the purpose of repair. This process requires manual step-by-step operation and is inefficient. For this reason, we propose a non-excavation pipeline repair device. Utility Model Content

[0004] The purpose of the utility model is to provide a trenchless pipeline repair device to solve the problem proposed in the above-mentioned background technology that when repairing a pipeline well, the inner wall of the pipeline well needs to be pre-treated, the attached foreign matter needs to be polished off, and then the resin material is sprayed, and a new and solid well wall layer is formed after solidification, so as to achieve the purpose of repair. This process requires manual step-by-step operation and has low efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trenchless pipeline repair device, comprising a body and a grinding and coating mechanism, the grinding and coating mechanism comprising a rotating frame, the rotating frame is movably connected to an extension rod through a connecting piece, the extension rod is movably connected to circular grinding sand and gravel through a motor and a rotating shaft, the connecting piece is movably connected to a limiting bolt through a fixing piece, and a groove is provided in the middle of the upper surface of the connecting piece.

[0006] As a preferred solution, a lift is fixedly mounted at the lower end of the machine body, a driving vehicle is fixedly mounted at the bottom of the lift, and a rotating shaft is provided inside the machine body, with its outer end extending to the outside of the machine body.

[0007] As a preferred solution, the rotating frame is fixedly mounted on the outer wall of the rotating shaft, one end of the connecting piece is fixedly mounted on the outer wall of the rotating frame, the extension rod is slidably connected to the inside of the connecting piece, the motor is fixedly mounted on the outer end of the extension rod, one end of the rotating shaft is fixedly mounted in the internal rotating groove of the motor, the circular grinding stone is sleeved on the outer wall of the outer end of the rotating shaft, and the circular grinding stone can be replaced by a brush tube coated with resin material.

[0008] As a preferred solution, the fixing member is fixedly installed at the middle position of the upper surface of the connecting member, and the limiting bolt is rotatably connected to the inside of the fixing member.

[0009] As a preferred embodiment, an adsorption mechanism is provided on the outside of the body, and the adsorption mechanism includes a vacuum cleaner, which is fixedly mounted on the upper surface of the body, a sprayer is fixedly mounted on the back of the vacuum cleaner, and an interception grille is movably mounted on the surface of the sprayer.

[0010] As a preferred solution, extended hoses are fixedly installed on both sides of the vacuum cleaner, and an angled dust hood for adsorbing debris inside the pipe is fixedly installed on the bottom of the extended hose. Fixed clips are fixedly installed on the outer wall of the extended hose, and the fixed clips are fixedly installed on the two sides of the machine body.

[0011] Technical effects and advantages of the utility model:

[0012] Through the polishing and coating mechanism, the circular polishing sand and gravel are pressed against the inner wall of the pipe through the telescopic extension rod, and then the rotating frame rotates clockwise, coordinated with the counterclockwise rotation of the motor shaft, to polish the inner wall of the pipe to eliminate foreign matter on the inner wall of the pipe, and then the circular polishing sand and gravel are replaced with a brush tube with resin material to coat the inner wall of the pipe. After the resin solidifies, a new and solid pipe wall layer is formed, thereby achieving the purpose of repair.

[0013] Through the adsorption mechanism, the dust generated by grinding is adsorbed by the water mist of the sprayer to prevent the dust from flying and affecting the construction. The angled dust hoods on both sides can suck in the debris and dust that fall to the bottom, so that you can clean while grinding and improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is an exploded view of the utility model.

[0016] Figure 3 It is an exploded view of the grinding and coating mechanism of the utility model.

[0017] Figure 4This is one of the partial structural exploded views of the grinding and coating mechanism of the utility model.

[0018] Figure 5 This is the second partial structural exploded diagram of the grinding and coating mechanism of the utility model.

[0019] Figure 6 It is an exploded diagram of the adsorption mechanism of the utility model.

[0020] In the figure: 1. machine body; 2. lift; 3. driving vehicle; 4. rotating shaft; 5. grinding and coating mechanism; 51. rotating frame; 52. connecting piece; 53. slotting; 54. fixing piece; 55. limiting bolt; 56. extension rod; 57. motor; 58. rotating shaft; 59. circular grinding sandstone; 6. adsorption mechanism; 61. vacuum cleaner; 62. sprayer; 63. intercepting grille; 64. fixing clamp; 65. extension hose; 66. angled dust hood. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-6The trenchless pipeline repair device shown in the figure comprises a body 1 and a grinding and coating mechanism 5, the grinding and coating mechanism 5 comprises a rotating frame 51, the rotating frame 51 is movably connected to an extension rod 56 through a connecting member 52, the extension rod 56 is movably connected to a circular grinding sandstone 59 through a motor 57 and a rotating shaft 58, the connecting member 52 is movably connected to a limiting bolt 55 through a fixing member 54, a slot 53 is provided at the middle position of the upper surface of the connecting member 52, the rotating frame 51 is fixedly mounted on the outer wall of the rotating shaft 4, one end of the connecting member 52 is fixedly mounted on the outer wall of the rotating frame 51, the extension rod 56 is slidably connected to the inside of the connecting member 52, the motor 57 is fixedly mounted on the outer end of the extension rod 56, one end of the rotating shaft 58 is fixedly mounted in the internal rotating groove of the motor 57, and the circular grinding sandstone 59 is sleeved on the rotating shaft 58. The outer wall of the outer end of the pipe, the circular grinding sandstone 59 can be replaced by a brush tube coated with resin material. The fixing member 54 is fixedly installed in the middle position of the upper surface of the connecting member 52, and the limit bolt 55 is rotatably connected to the inside of the fixing member 54. The limit bolt 55 is loosened from the fixing member 54, and then the extension rod 56 is slid and pulled out along the inside of the connecting member 52 until the circular grinding sandstone 59 abuts against the inner wall of the pipe, and then the limit bolt 55 is tightened until it abuts against the surface of the extension rod 56 to fix it, and then the rotating shaft 4 is controlled by the body 1 to rotate clockwise, driving the rotating frame 51 to rotate clockwise, and the motor 57 controls the rotating shaft 58 to rotate counterclockwise, driving the circular grinding sandstone 59 to grind the inner wall of the pipe. After the grinding is completed, the circular grinding sandstone 59 is replaced with a brush tube with resin material.

[0023] In this embodiment, an adsorption mechanism 6 is provided on the outside of the body 1, and the adsorption mechanism 6 includes a vacuum cleaner 61, which is fixedly mounted on the upper surface of the body 1, a sprayer 62 is fixedly mounted on the back of the vacuum cleaner 61, and an interception grille 63 is movably mounted on the surface of the sprayer 62. Extension hoses 65 are fixedly mounted on both sides of the vacuum cleaner 61, and an angled dust hood 66 for adsorbing debris inside the pipeline is fixedly mounted on the bottom of the extension hose 65. A fixed clamp 64 is fixedly mounted on the outer wall of the extension hose 65, and the fixed clamp 64 is fixedly mounted on the two side surfaces of the body 1. When grinding the inner wall of the pipeline, the vacuum cleaner 61 and the sprayer 62 are turned on, and the grinding dust will be absorbed by the water mist sprayed by the sprayer 62 and will not fly everywhere. The interception grille 63 is used to intercept fallen foreign objects that are not completely ground, and the angled dust hoods 66 on both sides are used to absorb debris and dust on the ground.

[0024] In this embodiment, a lift 2 is fixedly installed at the lower end of the body 1, a driving vehicle 3 is fixedly installed at the bottom of the lift 2, a rotating shaft 4 is provided inside the body 1 and its outer end extends to the outside of the body 1, the lift 2 is used to adjust so that the center point of the grinding and coating mechanism 5 is located at the center of the pipe, the driving vehicle 3 is used to drive the entire repair device forward and backward, and the rotating shaft 4 drives the entire grinding and coating mechanism 5 to rotate clockwise.

[0025] Working principle of the utility model: The utility model is a non-excavation pipeline repair device. The limit bolt 55 is loosened from the fixing part 54, and then the extension rod 56 is slid and pulled out along the inside of the connecting part 52 until the circular grinding sandstone 59 abuts against the inner wall of the pipeline, and then the limit bolt 55 is tightened until it abuts against the surface of the extension rod 56 to fix it, and then the rotating shaft 4 is controlled by the body 1 to rotate clockwise, driving the rotating frame 51 to rotate clockwise, and the motor 57 controls the rotating shaft 58 to rotate counterclockwise, driving the circular grinding sandstone 59 to grind the inner wall of the pipeline. After the grinding is completed, the circular grinding sandstone 59 can be replaced with a brush cylinder with resin material.

[0026] When grinding the inner wall of the pipe, turn on the vacuum cleaner 61 and the sprayer 62, the grinding dust will be absorbed by the water mist sprayed by the sprayer 62 and will not fly everywhere. The interception grille 63 is used to intercept the fallen foreign objects that are not completely ground, and the angled dust hoods 66 on both sides are used to absorb the debris and dust on the ground.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A trenchless pipeline repair device, comprising a body (1) and a grinding and coating mechanism (5), characterized in that: The grinding and coating mechanism (5) comprises a rotating frame (51), the rotating frame (51) is movably connected to an extension rod (56) via a connecting member (52), the extension rod (56) is movably connected to a circular grinding sandstone (59) via a motor (57) and a rotating shaft (58), the connecting member (52) is movably connected to a limiting bolt (55) via a fixing member (54), and a slot (53) is provided at the middle position of the upper surface of the connecting member (52).

2. A trenchless pipeline repair device according to claim 1, characterized in that: A lift (2) is fixedly mounted at the lower end of the machine body (1), a driving vehicle (3) is fixedly mounted at the bottom of the lift (2), and a rotating shaft (4) is arranged inside the machine body (1), the outer end of which extends to the outside of the machine body (1).

3. A trenchless pipeline repair device according to claim 2, characterized in that: The rotating frame (51) is fixedly mounted on the outer wall of the rotating shaft (4); one end of the connecting member (52) is fixedly mounted on the outer wall of the rotating frame (51); the extension rod (56) is slidably connected to the inside of the connecting member (52); the motor (57) is fixedly mounted on the outer end of the extension rod (56); one end of the rotating shaft (58) is fixedly mounted in the internal rotating groove of the motor (57); the circular grinding sandstone (59) is sleeved on the outer wall of the outer end of the rotating shaft (58); and the circular grinding sandstone (59) can be replaced by a brush cylinder coated with a resin material.

4. A trenchless pipeline repair device according to claim 3, characterized in that: The fixing member (54) is fixedly mounted at the middle position of the upper surface of the connecting member (52), and the limiting bolt (55) is rotatably connected to the inside of the fixing member (54).

5. The trenchless pipeline repair device according to claim 2, characterized in that: An adsorption mechanism (6) is arranged on the outside of the machine body (1), and the adsorption mechanism (6) comprises a vacuum cleaner (61), the vacuum cleaner (61) is fixedly mounted on the upper surface of the machine body (1), a sprayer (62) is fixedly mounted on the back of the vacuum cleaner (61), and an interception grille (63) is movably mounted on the surface of the sprayer (62).

6. A trenchless pipeline repair device according to claim 5, characterized in that: An extended hose (65) is fixedly mounted on both sides of the vacuum cleaner (61); an angled dust hood (66) for absorbing debris inside the pipe is fixedly mounted on the bottom of the extended hose (65); a fixed clamp (64) is fixedly mounted on the outer wall of the extended hose (65); and the fixed clamp (64) is fixedly mounted on the two side surfaces of the machine body (1).

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