Non-excavation pipeline repair lining pipe

Abstract

The utility model discloses a trenchless pipeline repair lining pipe which comprises a lining pipe body, the surface of the lining pipe body is provided with a shrinkage recess, the right end of the lining pipe body is provided with a fixing disc, the surface of the fixing disc is connected with a connecting rod in a sliding mode, the right end of the connecting rod penetrates through the fixing disc, the right end of the connecting rod is fixedly connected with a scraping ring, and the scraping ring is fixedly connected with the lining pipe body. The scraping ring is made of a material easy to deform, a mounting plate is fixedly connected to the inner wall of the scraping ring, a wear-resistant rope is fixedly connected to the left surface of the mounting plate, the length of the wear-resistant rope is larger than that of the lining pipe body, supporting springs are fixedly connected to the upper surface and the lower surface of the mounting plate, and the two supporting springs are oppositely distributed up and down; the end, away from the mounting plate, of the supporting spring is fixedly connected with the inner wall of the scraping ring, a storage groove is formed in the left surface of the fixing disc, and when the lining pipe is not mounted, the scraping ring is located in the storage groove. By means of the structure, the convenience of recovering the groove of the lining pipe is improved, and the convenience of pipeline repairing work is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline repair technical field especially relates to non -excavation pipeline repair inner lining pipe. BACKGROUND

[0002] When repairing pipeline by using inner lining pipe, one end of the inner lining pipe needs to be concave to increase the smoothness when the inner lining pipe enters the pipeline, and because the inner lining pipe lacks measures for recovery, the difficulty of recovery work at the concave part of the inner lining pipe increases, and the time for pipeline repair work is wasted, and the "inner lining pipe for non-excavation pipeline repair" disclosed on the Chinese patent network has the application number "202221078528.7", the inner lining pipe reduces its diameter and sets water expansion strips on its surface to reduce the influence of the sealing performance of the inner lining pipe with a smaller diameter than the inner diameter of the pipeline, although this method improves the convenience of adding the inner lining pipe, the gap between the inner lining pipe and the pipeline and the water expansion strips that increase the cost affect the practicability of the inner lining pipe. SUMMARY

[0003] The utility model aims at least solves one of prior art technical problems, provides non -excavation pipeline repair inner lining pipe, improves the convenience of recovering the concave part of the inner lining pipe, improves the efficiency of pipeline repair work, and the inner lining pipe has simple and convenient structure and reduces the use cost.

[0004] The utility model discloses still provide with above -mentioned non -excavation pipeline repair inner lining pipe, include: inner lining pipe body, the surface of inner lining pipe body is provided with shrinkage, the right -hand member of inner lining pipe body is provided with fixed disc, and the recess of inner lining pipe body is connected with the fixed disc, the surface sliding of fixed disc is connected with connecting rod, and the right -hand member of connecting rod is through fixed disc, and the right -hand member of connecting rod is fixedly connected with the scraper ring of scraping ring, the scraper ring is made of easy material of deformation, the inner wall fixedly connected with the mounting plate of scraping ring, the left surface fixedly connected with wear -resisting rope of mounting plate, the length of wear -resisting rope is greater than the length of inner lining pipe body, the upper and lower two surfaces of mounting plate are all fixedly connected with support spring, and two support springs are distributed oppositely, and the inner wall fixedly connected with the scraper ring of one end of support spring away from mounting plate, the left surface of fixed disc is provided with storage recess, when not installing inner lining pipe, the scraper ring is located in the inside of storage recess.

[0005] According to the non-excavation pipeline repair inner lining pipe of the utility model, the side surface of the fixed disc is provided with the article recess, the inside of the article recess is provided with the sticky strip, and the sticky strip is in contact with the inner wall of the inner lining pipe body. Improve the stability of the fixed disc.

[0006] The connecting rod is fixedly connected with the limiting block at the right end, and the diameter of the limiting block is larger than that of the connecting rod.

[0007] The surface of the scraping ring is provided with a ball group, the ball group is distributed opposite to the supporting spring, and the ball group is in contact with the inner wall of the inner lining pipe body.

[0008] The inner diameter of the inner lining pipe body is smaller than the length of the two supporting springs in the stretched state, and when the inner lining pipe is restored, the surface of the scraping ring is in contact with the inner wall of the inner lining pipe body. Advantages

[0009] Compared with the prior art, the inner lining pipe for trenchless pipeline repair has the advantages that the fixed disc, the storage groove, the connecting rod, the scraping ring, the mounting plate, the supporting spring and the wear-resistant rope increase the deformation stability of the inner lining pipe when entering one end of the pipeline, provide a restoring force for the recess of the inner lining pipe by using the elastic deformation characteristics, increase the convenience of restoring the inner lining pipe, and improve the efficiency of pipeline repair work. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further explained in connection with the drawings and embodiments;

[0011] Figure 1 It is right view structural drawing of non - excavation pipeline repair inner lining pipe of the utility model;

[0012] Figure 2 It is left view structural drawing of non - excavation pipeline repair inner lining pipe of the utility model;

[0013] Figure 3 It is right view structural drawing of section state of non - excavation pipeline repair inner lining pipe of the utility model;

[0014] Figure 4 It is left view structural drawing of section state of non - excavation pipeline repair inner lining pipe of the utility model.

[0015] Legend:

[0016] 1, inner lining pipe body; 2, shrink recess; 3, fixed disc; 4, scraping ring; 5, connecting rod; 6, mounting plate; 7, supporting spring; 8, storage groove; 9, wear-resistant rope; 10, storage recess; 11, limiting block; 12, ball group. DETAILED DESCRIPTION

[0017] The detailed embodiments of the utility model will be described in detail in this part, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0018] Referring to Figures 1-4 The utility model discloses a trenchless pipeline repair inner lining pipe, it includes: inner lining pipe body 1, the surface of inner lining pipe body 1 is provided with shrinkage recess 2, the right end of inner lining pipe body 1 is provided with fixed disc 3, inner lining pipe body 1 recess and fixed disc 3 joint, fixed disc 3 is used to increase the stability of the right end deformation of inner lining pipe body 1, the side surface of fixed disc 3 is provided with article recess 10, the inside of article recess 10 is provided with sticky strip, and the inner wall of inner lining pipe body 1 is contacted with sticky strip, and article recess 10 is cooperated with sticky strip, and the stability when fixed disc 3 acts is improved.

[0019] Specifically, the sticky strip is added to the inside of the article recess 10, so that the fixed disc 3 is fixed in the inside of the inner lining pipe body 1, and when the recess is needed to reduce the diameter of the inner lining pipe body 1, the part opposite to the surface recess of the fixed disc 3 at the right end of the inner lining pipe body 1 is directly pressed, after the recess of the inner lining pipe body 1 enters the recess inside the fixed disc 3, the automatic recovery of the recess of the inner lining pipe body 1 is avoided due to the influence of the friction of the two.

[0020] The surface of fixed disc 3 is slidably connected with connecting rod 5, the right end of connecting rod 5 penetrates fixed disc 3, the right end of connecting rod 5 is fixedly connected with limiting block 11, the diameter of limiting block 11 is greater than the diameter of connecting rod 5, limiting block 11 avoids that connecting rod 5 is separated from fixed disc 3, the right end of connecting rod 5 is fixedly connected with scraping ring 4, scraping ring 4 is made of material that is easy to deform, the inner wall of scraping ring 4 is fixedly connected with mounting plate 6, the left surface of mounting plate 6 is fixedly connected with wear-resistant rope 9, the length of wear-resistant rope 9 is greater than the length of inner lining pipe body 1, and wear-resistant rope 9 is used to provide the convenience for staff to apply pressure to scraping ring 4 outside.

[0021] Specifically, after the inner lining pipe is added to the inside of the pipeline, the left end of wear-resistant rope 9 is still outside, when the recess of the inner lining pipe needs to be recovered, wear-resistant rope 9 is pulled to provide power for scraping ring 4 to slide to the left, and when the pulling force is greater than the sticky force that fixed disc 3 receives after scraping ring 4 is pulled out of the storage recess 8, fixed disc 3 is driven to slide to the left by scraping ring 4 under the influence of limiting block 11.

[0022] The upper and lower surfaces of the mounting plate 6 are fixedly connected with support springs 7, the two support springs 7 are distributed oppositely, the ends of the support springs 7 away from the mounting plate 6 are fixedly connected with the inner wall of the scraping ring 4, the inner diameter of the inner liner pipe body 1 is less than the length of the two support springs 7 in the stretched state, when the inner liner pipe is recovered, the surface of the scraping ring 4 is in contact with the inner wall of the inner liner pipe body 1, the support springs 7 provide the condition for the scraping ring 4 to be in contact with the inner wall of the inner liner pipe body 1, the surface of the scraping ring 4 is provided with a ball group 12, the ball group 12 is distributed oppositely with the support springs 7, the ball group 12 is in contact with the inner wall of the inner liner pipe body 1, the ball group 12 reduces the friction force suffered by the scraping ring 4, the left surface of the fixed disc 3 is provided with a receiving groove 8, when the inner liner pipe is not installed, the scraping ring 4 is located in the inside of the receiving groove 8, and the receiving groove 8 is used for limiting the activity range of the support springs 7.

[0023] Specifically, when the scraping ring 4 is pulled out of the receiving groove 8, the support springs 7 are no longer limited and automatically stretch to drive the scraping ring 4 to contact the inner wall of the inner liner pipe body 1, so that the recesses of the inner liner pipe body 1 are directly recovered, and in the process of pulling the scraping ring 4 to the left, the ball group 12 changes the sliding friction force into rolling friction force, thereby improving the convenience of pulling the scraping ring 4.

[0024] Working principle: the fixed disc 3 is fixed to the right end inside the inner liner pipe body 1 by means of the adhesive strip, when it is needed to reduce the recesses of the inner liner pipe, the inner liner pipe body 1 is directly pressed according to the grooves of the fixed disc 3, thereby improving the convenience of the recessed inner liner pipe, after the inner liner pipe completely enters the specified position of the pipeline, the wear-resistant rope 9 is pulled to take out the scraping ring 4 from the receiving groove 8, the support springs 7 stretch after lacking the limitation, thereby driving the surface of the scraping ring 4 to be in contact with the inner wall of the inner liner pipe body 1, so as to recover the recesses of the inner liner pipe body 1, during the process of continuously pulling the wear-resistant rope 9, the fixed disc 3 is separated from the inner wall of the inner liner pipe body 1 after the pulling force is greater than the adhesive force, at this time, the left end of the inner liner pipe can be recovered by pulling the wear-resistant rope 9, and the fixed disc 3 is recovered at the same time.

[0025] The embodiments of the utility model are explained in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A trenchless pipe rehabilitation inner lining tube, characterized in that The utility model relates to a kind of inner tube body (1), the surface of the inner tube body (1) is provided with shrinkage recess (2), the right end of the inner tube body (1) is provided with fixed disc (3), and the inner tube body (1) recess is clamped with fixed disc (3); The surface of the fixed disc (3) is slidably connected with connecting rod (5), the right end of the connecting rod (5) penetrates fixed disc (3), the right end of the connecting rod (5) is fixedly connected with scraping ring (4), the scraping ring (4) is made of easily deformed material, the inner wall of the scraping ring (4) is fixedly connected with mounting plate (6), the left surface of the mounting plate (6) is fixedly connected with wear-resistant rope (9), and the length of the wear-resistant rope (9) is greater than the length of the inner tube body (1); The upper and lower surfaces of the mounting plate (6) are fixedly connected with support spring (7), and the two support springs (7) are distributed oppositely, one end of the support spring (7) away from the mounting plate (6) is fixedly connected with the inner wall of the scraping ring (4), the left surface of the fixed disc (3) is provided with receiving groove (8), and when the inner tube is not installed, the scraping ring (4) is located in the inside of receiving groove (8). The side surface of the fixed disc (3) is provided with storage groove (10), and the inside of the storage groove (10) is provided with sticky strip, and the sticky strip is in contact with the inner wall of the inner tube body (1).

2. The trenchless pipe rehabilitation liner pipe of claim 1, wherein, The right end of the connecting rod (5) is fixedly connected with limit block (11), and the diameter of the limit block (11) is greater than the diameter of the connecting rod (5).

3. The trenchless pipe rehabilitation liner pipe of claim 1, wherein, The surface of the scraping ring (4) is provided with ball group (12), the ball group (12) is oppositely distributed with support spring (7), and the ball group (12) is in contact with the inner wall of the inner tube body (1).

4. The trenchless pipe rehabilitation liner pipe of claim 1, wherein, The inner diameter of the inner tube body (1) is less than the length of two support springs (7) in stretched state, and when the inner tube is restored, the surface of the scraping ring (4) is in contact with the inner wall of the inner tube body (1).

5. The trenchless pipe rehabilitation liner pipe of claim 1, wherein, ​

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