Sewage pipeline repairing method and repairing structure

Abstract

The invention discloses a repairing method and a repairing structure of a sewage pipeline, and relates to the technical field of pipeline repairing, the two ends of the sewage pipeline are communicated with a starting well and a receiving well respectively, the repairing method comprises the steps that sludge in the sewage pipeline is cleaned out from the starting well and the receiving well respectively; crushing the sewage pipe, and cleaning the crushed sewage pipe out of the sewage pipeline; expanding the sewage pipeline; arranging a replacement pipe on the sewage pipeline; two edge sealing pipes are arranged in the sewage pipeline, and the two edge sealing pipes are communicated with the two ends of the replacement pipe respectively; and two waterproof layers are respectively arranged between pipe orifices at two ends of the sewage pipeline and the two edge sealing pipes. By means of the sewage pipe repairing method, the damaged sewage pipe does not need to be dug out, repairing of the sewage pipe can be completed, repairing is easy and convenient, and the repairing effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline repair, and in particular to a repair method and a repair structure for a sewage pipeline. Background Art

[0002] Sewage pipes are important infrastructure for urban water pollution prevention and control, urban drainage and flood control. After a certain number of years of use, sewage pipes often break. Currently, the damaged parts of sewage pipes are usually repaired by digging out the damaged sewage pipes for replacement. However, digging out the damaged sewage pipes will damage the existing structure of the sewage pipes. After replacing the sewage pipes, the existing structure needs to be repaired. The repair of sewage pipes is complicated and the repair efficiency is low. Summary of the invention

[0003] The main purpose of the present invention is to provide a sewage pipe repair method and repair structure, aiming to solve the technical problems of complex repair and low repair efficiency of sewage pipes.

[0004] To achieve the above-mentioned purpose, the present invention proposes a method for repairing a sewage pipe, wherein the two ends of the sewage pipe are respectively connected to a starting well and a receiving well, a sewage pipe is arranged in the sewage pipe, and the two ends of the sewage pipe are respectively connected to the starting well and the receiving well, and the repair method comprises:

[0005] Cleaning out the sludge in the sewage pipe from the originating well and the receiving well respectively;

[0006] Breaking the sewage pipe and cleaning the broken sewage pipe out of the sewage pipeline;

[0007] expanding the sewage pipe;

[0008] placing a replacement pipe in the sewage pipe;

[0009] Two sealed edge pipes are arranged in the sewage pipe, and the two sealed edge pipes are respectively connected to the two ends of the replacement pipe;

[0010] Two waterproof layers are respectively arranged between the pipe openings at both ends of the sewage pipe and the two edge-sealed pipes.

[0011] In one embodiment, the two ends of the replacement tube are formed with a first clamping section, the edge-sealed tube includes a tube body, a second clamping section and a water stop section, and the water stop section and the second clamping section are respectively arranged at the two ends of the tube body;

[0012] The step of arranging two edge-sealed pipes in the sewage pipe, wherein the two edge-sealed pipes are respectively connected to two ends of the replacement pipe comprises:

[0013] Two sealed edge pipes are arranged in the sewage pipe;

[0014] The two first clamping sections are respectively clamped and matched with the two second clamping sections, so that the two edge-sealed pipes are respectively connected to the two ends of the replacement pipe, and the two water-stopping sections are sealed and matched with the pipe openings at the two ends of the sewage pipe;

[0015] The step of respectively providing two waterproof layers between the pipe openings at both ends of the sewage pipe and the two edge-sealed pipes comprises:

[0016] Two waterproof layers are respectively arranged between the pipe openings at both ends of the sewage pipe and the two water-stopping sections.

[0017] In one embodiment, after the step of making the two first clamping sections respectively clamped and matched with the two second clamping sections so as to connect the two edge-sealed pipes to the two ends of the replacement pipe respectively, and the two water-stopping sections seal and match with the pipe openings at the two ends of the sewage pipe, the method further includes:

[0018] Two rubber tube sleeves are respectively arranged between the two edge-sealed tubes and the two ends of the replacement tube, and each rubber tube sleeve is pasted into the replacement tube and the corresponding edge-sealed tube through asphalt coating.

[0019] In one embodiment, the water stop section includes a water stop surface, a plurality of protrusions are formed on the water stop surface, and the water stop surface is used to abut against the pipe opening to seal with the pipe opening.

[0020] In one embodiment, the step of respectively providing two waterproof layers between the pipe openings at both ends of the sewage pipe and the two sealed edge pipes comprises:

[0021] Waterproof coating is applied respectively between the pipe openings at both ends of the sewage pipe and the two water-stopping sections to form two waterproof layers.

[0022] In one embodiment, after the step of applying waterproof coating to the pipe openings at both ends of the sewage pipe and between the two water stop sections to form two waterproof layers, the method further comprises:

[0023] Cement is applied to the pipe openings at both ends of the sewage pipe to form two cement layers; wherein the two cement layers are respectively covered on the two waterproof layers and respectively covered on the two water stop sections.

[0024] In one embodiment, before the step of breaking the sewage pipe and cleaning the broken sewage pipe out of the sewage pipe, the step further includes:

[0025] Install a pipe jacking machine in the launching well;

[0026] The steps of breaking the sewage pipe and cleaning the broken sewage pipe out of the sewage pipeline include:

[0027] Installing a crushing head on the pipe jacking machine;

[0028] The crushing head is driven by a pipe jacking machine to extend into the sewage pipe to crush the sewage pipe;

[0029] Cleaning the broken sewage pipe out of the sewage pipe;

[0030] The step of expanding the sewage pipe comprises:

[0031] The crushing head is removed from the pipe jacking machine, and the expansion head is installed on the pipe jacking machine;

[0032] The expansion head is driven by a pipe jacking machine to extend into the sewage pipe to expand the sewage pipe;

[0033] The step of placing the replacement pipe in the sewage pipe comprises:

[0034] removing the expansion head from the pipe jacking machine and installing the replacement pipe on the pipe jacking machine;

[0035] The replacement pipe is pushed into the sewage pipe through the jacking pipe.

[0036] In one embodiment, the step of setting up a pipe jacking machine in the starting well includes:

[0037] A pipe jacking machine is arranged in the starting well, and a guide rod is inserted into the sewage pipe;

[0038] The guide rod is connected to the pipe jacking machine.

[0039] In one embodiment, before the step of cleaning out the sludge in the sewage pipe from the starting well and the receiving well respectively, the step further includes:

[0040] placing an endoscope in the sewage pipe;

[0041] The step of cleaning out the sludge in the sewage pipe from the originating well and the receiving well respectively comprises:

[0042] The sludge in the sewage pipe is cleaned out from the starting well and the receiving well respectively through the endoscope.

[0043] The present invention also provides a repair structure for a sewage pipe, which is formed by applying the above-mentioned sewage pipe repair method, and the repair structure includes a replacement pipe, two edge-sealed pipes and two waterproof layers.

[0044] The technical solution of the present invention can facilitate the subsequent crushing of the sewage pipe by first cleaning out the sludge in the sewage pipe. After the sewage pipe is crushed, the sewage pipe can be taken out from the sewage pipe relatively conveniently, which is simple and convenient. After the crushed sewage pipe is cleaned out of the sewage pipe, the sewage pipe is expanded, and the expanded sewage pipe can be relatively convenient for the subsequent replacement pipe to be set in the sewage pipe. The replacement pipe is set in the sewage pipe, and two edge-sealed pipes are respectively set in the pipe openings at both ends of the sewage pipe. The two edge-sealed pipes are respectively connected to the two ends of the replacement pipe to form a pipeline structure, through which the damaged sewage pipe can be replaced, and then the sewage pipe can be repaired. And through the sealing cooperation of the two edge-sealed pipes with the pipe openings at both ends of the sewage pipe, the sealing of the pipeline structure and the sewage pipe can be relatively convenient, which is simple and convenient. And through the sealing cooperation of the two edge-sealed pipes with the pipe openings at both ends of the sewage pipe, sewage can also be prevented from entering the gap between the pipeline structure and the sewage pipe, thereby further improving the repair effect of the sewage pipe. Finally, waterproof coating is applied on the two edge-sealed pipes and the pipe openings at both ends of the sewage pipe to form two waterproof layers, which can further improve the sealing effect of the two edge-sealed pipes and the pipe openings at both ends of the sewage pipe. The sewage pipe repair method provided by the present invention can complete the repair of the sewage pipe without digging out the damaged sewage pipe, and the repair is simple and convenient, and the repair effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0046] Figure 1 A schematic diagram of a flow chart of an embodiment of a method for repairing a sewage pipe provided by the present invention;

[0047] Figure 2 A schematic diagram of a partial structure of an embodiment of a repair structure for a sewage pipe provided by the present invention;

[0048] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0049] Description of Figure Numbers:

[0050] 100. Repair structure; 10. Edge-sealing pipe; 11. Second clamping section; 111. Second clamping block; 112. Second clamping groove; 12. Pipe body; 13. Water-stopping section; 131. Water-stopping surface; 132. Protrusion; 20. Replacement pipe; 21. First clamping section; 211. First clamping block; 212. First clamping groove; 30. Rubber pipe sleeve; 40. Waterproof layer; 50. Cement layer; 200. Sewage pipe; 201. Pipe mouth.

[0051] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0053] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0054] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0055] The invention provides a repair method and a repair structure for a sewage pipe.

[0056] See also Figures 1 to 3 In one embodiment of the present invention, the sewage pipe repair method, the two ends of the sewage pipe are respectively connected to the starting well and the receiving well, a sewage pipe is arranged in the sewage pipe, and the two ends of the sewage pipe are respectively connected to the starting well and the receiving well, and the repair method includes:

[0057] Step S100, cleaning out the sludge in the sewage pipe from the originating well and the receiving well respectively;

[0058] Step S200, breaking the sewage pipe and cleaning the broken sewage pipe out of the sewage pipeline;

[0059] Step S300, expanding the sewage pipe;

[0060] Step S400, placing a replacement pipe in the sewage pipe;

[0061] Step S500, two sealed edge pipes are arranged in the sewage pipe, and the two sealed edge pipes are respectively connected to two ends of the replacement pipe;

[0062] Step S600, two waterproof layers are respectively arranged between the pipe openings at both ends of the sewage pipe and the two sealed edge pipes.

[0063] The technical solution of the present invention can facilitate the subsequent crushing of the sewage pipe by first cleaning out the sludge in the sewage pipe. After the sewage pipe is crushed, the sewage pipe can be taken out from the sewage pipe 200 relatively conveniently, which is simple and convenient. After the crushed sewage pipe is cleaned out of the sewage pipe 200, the sewage pipe 200 is expanded, and the expanded sewage pipe 200 can be relatively convenient for the subsequent replacement pipe 20 to be set in the sewage pipe 200. The replacement pipe 20 is set in the sewage pipe 200, and two edge-sealed pipes 10 are respectively set in the pipe openings 201 at both ends of the sewage pipe 200. The two edge-sealed pipes 10 are respectively connected to the two ends of the replacement pipe 20 to form a pipeline structure, through which the damaged sewage pipe can be replaced, and then the sewage pipe 200 can be repaired. And through the sealing cooperation of the two edge-sealed pipes 10 with the pipe openings 201 at both ends of the sewage pipe 200, the sealing of the pipeline structure and the sewage pipe 200 can be relatively convenient, which is simple and convenient. Furthermore, the two edge-sealed pipes 10 can be sealed with the pipe openings 201 at both ends of the sewage pipe 200, thereby preventing sewage from entering the gap between the pipe structure and the sewage pipe 200, thereby further improving the repair effect of the sewage pipe. Finally, a waterproof coating is applied to the two edge-sealed pipes 10 and the pipe openings 201 at both ends of the sewage pipe 200 to form two waterproof layers 40, which can further improve the sealing effect of the two edge-sealed pipes 10 and the pipe openings 201 at both ends of the sewage pipe 200. The repair method of the sewage pipe 200 provided by the present invention can complete the repair of the sewage pipe without digging out the damaged sewage pipe, and the repair is simple and convenient, and the repair effect is good.

[0064] In one embodiment, the first clamping section 21 is formed at both ends of the replacement tube 20, and the edge-sealed tube 10 includes a tube body 12, a second clamping section 11 and a water stop section 13, and the water stop section 13 and the second clamping section 11 are respectively arranged at both ends of the tube body 12;

[0065] Step S500 includes:

[0066] Step S510, setting two sealed edge pipes in the sewage pipe;

[0067] Step S520, the two first clamping sections are respectively engaged with the two second clamping sections, so that the two edge-sealed pipes are respectively connected to the two ends of the replacement pipe, and the two water-stopping sections are sealed with the pipe openings at the two ends of the sewage pipe;

[0068] Step S600 includes:

[0069] Step S610, two waterproof layers are respectively provided between the pipe openings at both ends of the sewage pipe and the two water stop sections.

[0070] Specifically, Figure 2 and Figure 3 As shown, a first clamping block 211 and a first clamping groove 212 are formed on the first clamping section 21, and a second clamping block 111 and a second clamping groove 112 are formed on the second clamping section 11. Through the clamping fit of the first clamping block 211 and the second clamping groove 112, and through the clamping fit of the second clamping block 111 and the first clamping groove 212, the edge sealing tube 10 and the replacement tube 20 can be quickly connected, and the installation is convenient. In addition, a water stop section 13 is provided on the edge sealing tube 10, and the water stop section 13 is used to seal with the pipe mouth 201, so that the sealing fit between the edge sealing tube 10 and the pipe mouth 201 can be achieved.

[0071] In one implementation, after step S520, the method further includes:

[0072] Step S530, two rubber tube sleeves are respectively arranged between the two ends of the two edge-sealed tubes and the replacement tube, and each rubber tube sleeve is adhered to the inside of the replacement tube and the corresponding edge-sealed tube by asphalt coating.

[0073] Specifically, Figure 2 As shown, by providing a rubber tube sleeve 30 between the edge-sealed tube 10 and the replacement tube 20, the gap between the edge-sealed tube 10 and the replacement tube 20 can be sealed, thereby preventing sewage from leaking out of the gap. In addition, the rubber tube sleeve 30 can be pasted into the replacement tube 20 and the edge-sealed tube 10 by asphalt coating, and the gap between the edge-sealed tube 10 and the replacement tube 20 can be further blocked to improve the sealing effect of the gap between the edge-sealed tube 10 and the replacement tube 20.

[0074] In one embodiment, the water stop section 13 includes a water stop surface 131 , and a plurality of protrusions 132 are formed on the water stop surface 131 . The water stop surface 131 is used to abut against the pipe opening 201 to seal with the pipe opening 201 .

[0075] Furthermore, a plurality of protrusions 132 are formed on the water stop surface 131 to form a rough water stop surface 131 . When the rough water stop surface 131 is abutted against the pipe opening 201 , a better sealing effect can be achieved.

[0076] In one embodiment, step S610 includes:

[0077] Step S611, applying waterproof coating on the pipe openings at both ends of the sewage pipe and between the two water stop sections to form two waterproof layers.

[0078] Specifically, two waterproof layers 40 can be formed by applying waterproof coating between the pipe openings 201 at both ends of the sewage pipe 200 and the two water stop sections 13, thereby further blocking the gap between the two pipe openings 201 and the two water stop sections 13, which is simple and convenient.

[0079] In one implementation, after step S611, the method further includes:

[0080] Step S612, applying cement to the pipe openings at both ends of the sewage pipe to form two cement layers;

[0081] Wherein, two cement layers are respectively covered on two waterproof layers and respectively covered on two water stop sections.

[0082] Furthermore, a cement layer 50 can be formed by applying cement on the pipe mouth 201 and the water stop section 13. The cement layer 50 can provide protection for the waterproof layer 40 and the water stop section 13, thereby improving the durability of the edge sealing tube 10 and the waterproof layer 40, and the cement layer 50 can further seal the gap between the edge sealing tube 10 and the replacement tube 20, thereby further improving the sealing effect of sealing the gap between the edge sealing tube 10 and the replacement tube 20.

[0083] In one embodiment, before step S200, the method further includes:

[0084] Step A100, setting a pipe jacking machine in the starting well;

[0085] Step S200 includes:

[0086] Step S210, installing a crushing head on the pipe jacking machine;

[0087] Step S220, driving the crushing head into the sewage pipe by a pipe jacking machine to crush the sewage pipe;

[0088] Step S230, cleaning the broken sewage pipe out of the sewage pipe;

[0089] Step S300 includes:

[0090] Step S310, removing the crushing head from the pipe jacking machine, and installing the expansion head on the pipe jacking machine;

[0091] Step S320, driving the expansion head into the sewage pipe by a pipe jacking machine to expand the sewage pipe;

[0092] Step S400 includes:

[0093] Step S410, removing the expansion head from the pipe jacking machine, and installing the replacement pipe on the pipe jacking machine;

[0094] Step S420: Push the replacement pipe into the sewage pipe through the jacking pipe.

[0095] Specifically, by setting up a pipe jacking machine in the starting well, installing a crushing head, an expansion head and a replacement pipe 20 on the pipe jacking machine respectively, and then pushing the crushing head, the expansion head and the replacement pipe 20 into the sewage pipe 200 respectively, the damage to the sewage pipe, the expansion of the sewage pipe 200 and the installation of the replacement pipe 20 can be completed respectively, which is simple and convenient.

[0096] In one embodiment, step A100 includes:

[0097] Step A110, installing a pipe jacking machine in the starting well, and inserting a guide rod in the sewage pipe;

[0098] Step A120, connecting the guide rod to the pipe jacking machine.

[0099] Furthermore, a guide rod is passed through the sewage pipe 200 and connected to the pipe jacking machine. The guide rod can guide the pipe jacking machine to push the crushing head, the expansion head and the replacement pipe 20 into the sewage pipe 200 respectively, thereby providing a guiding effect for the pipe jacking machine.

[0100] In one embodiment, before step S100, the method further includes:

[0101] Step B100, placing an endoscope in the sewage pipe;

[0102] Step S100 includes:

[0103] Step S110, using the endoscope to clean out the sludge in the sewage pipe from the originating well and the receiving well respectively.

[0104] Specifically, by arranging an endoscope in the sewage pipe and observing the sludge in the sewage pipe 200 through the endoscope, the sludge in the sewage pipe 200 can be cleaned more conveniently, and the sludge cleaning effect in the sewage pipe 200 is better.

[0105] The present invention further proposes a repair structure 100 for a sewage pipe 200. The repair structure 100 for the sewage pipe 200 is formed by applying the above-mentioned repair method for the sewage pipe 200. The repair structure 100 includes a replacement pipe 20, two edge-sealed pipes 10 and two waterproof layers 40. Since the repair structure 100 for the sewage pipe 200 adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0106] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A method for repairing a sewage pipe, characterized in that: The two ends of the sewage pipeline are respectively connected to a starting well and a receiving well, a sewage pipe is arranged in the sewage pipeline, and the two ends of the sewage pipe are respectively connected to the starting well and the receiving well, and the repair method comprises: Cleaning out the sludge in the sewage pipe from the originating well and the receiving well respectively; Breaking the sewage pipe and cleaning the broken sewage pipe out of the sewage pipeline; expanding the sewage pipe; placing a replacement pipe in the sewage pipe; Two sealed edge pipes are arranged in the sewage pipe, and the two sealed edge pipes are respectively connected to the two ends of the replacement pipe; Two waterproof layers are respectively arranged between the pipe openings at both ends of the sewage pipe and the two edge-sealed pipes.

2. The method for repairing a sewage pipe according to claim 1, characterized in that: The two ends of the replacement pipe are formed with a first clamping section, the edge-sealed pipe comprises a pipe body, a second clamping section and a water-stopping section, and the water-stopping section and the second clamping section are respectively arranged at the two ends of the pipe body; The step of arranging two edge-sealed pipes in the sewage pipe, wherein the two edge-sealed pipes are respectively connected to two ends of the replacement pipe comprises: Two sealed edge pipes are arranged in the sewage pipe; The two first clamping sections are respectively clamped and matched with the two second clamping sections, so that the two edge-sealed pipes are respectively connected to the two ends of the replacement pipe, and the two water-stopping sections are sealed and matched with the pipe openings at the two ends of the sewage pipe; The step of respectively providing two waterproof layers between the pipe openings at both ends of the sewage pipe and the two edge-sealed pipes comprises: Two waterproof layers are respectively arranged between the pipe openings at both ends of the sewage pipe and the two water-stopping sections.

3. The method for repairing a sewage pipe according to claim 2, characterized in that: After the step of making the two first clamping sections respectively clamp and cooperate with the two second clamping sections so as to connect the two edge-sealed pipes to the two ends of the replacement pipe respectively, and the two water-stopping sections seal and cooperate with the pipe openings at the two ends of the sewage pipe, the method further includes: Two rubber tube sleeves are respectively arranged between the two edge-sealed tubes and the two ends of the replacement tube, and each rubber tube sleeve is pasted into the replacement tube and the corresponding edge-sealed tube through asphalt coating.

4. The method for repairing a sewage pipe according to claim 2, characterized in that: The water stop section comprises a water stop surface, a plurality of protrusions are formed on the water stop surface, and the water stop surface is used to abut against the pipe opening to seal with the pipe opening.

5. The method for repairing a sewage pipe according to claim 2, characterized in that: The step of respectively providing two waterproof layers between the pipe openings at both ends of the sewage pipe and the two edge-sealed pipes comprises: Waterproof coating is applied respectively between the pipe openings at both ends of the sewage pipe and the two water-stopping sections to form two waterproof layers.

6. The method for repairing a sewage pipe according to claim 5, characterized in that: After the step of respectively applying waterproof coating between the pipe openings at both ends of the sewage pipe and the two water stop sections to form two waterproof layers, the method further includes: Cement is applied to the pipe openings at both ends of the sewage pipe to form two cement layers; wherein the two cement layers are respectively covered on the two waterproof layers and respectively covered on the two water stop sections.

7. The method for repairing a sewage pipe according to any one of claims 1 to 6, characterized in that: Before the step of breaking the sewage pipe and cleaning the broken sewage pipe out of the sewage pipeline, the method further includes: Install a pipe jacking machine in the launching well; The steps of breaking the sewage pipe and cleaning the broken sewage pipe out of the sewage pipeline include: Installing a crushing head on the pipe jacking machine; The crushing head is driven by a pipe jacking machine to extend into the sewage pipe to crush the sewage pipe; Cleaning the broken sewage pipe out of the sewage pipe; The step of expanding the sewage pipe comprises: The crushing head is removed from the pipe jacking machine, and the expansion head is installed on the pipe jacking machine; The expansion head is driven by a pipe jacking machine to extend into the sewage pipe to expand the sewage pipe; The step of placing the replacement pipe in the sewage pipe comprises: removing the expansion head from the pipe jacking machine and installing the replacement pipe on the pipe jacking machine; The replacement pipe is pushed into the sewage pipe through the jacking pipe.

8. The method for repairing a sewage pipe according to claim 7, characterized in that: The step of arranging a pipe jacking machine in the starting well comprises: A pipe jacking machine is arranged in the starting well, and a guide rod is inserted into the sewage pipe; The guide rod is connected to the pipe jacking machine.

9. The method for repairing a sewage pipe according to any one of claims 1 to 6, characterized in that: Before the step of cleaning out the sludge in the sewage pipe from the starting well and the receiving well respectively, the method further comprises: placing an endoscope in the sewage pipe; The step of cleaning out the sludge in the sewage pipe from the originating well and the receiving well respectively comprises: The sludge in the sewage pipe is cleaned out from the starting well and the receiving well respectively through the endoscope.

10. A sewage pipe repair structure, characterized in that: The repair structure is formed by applying the sewage pipe repair method according to any one of claims 1 to 9, and the repair structure includes a replacement pipe, two edge-sealed pipes and two waterproof layers.

Images