Non-excavation opening PP thermal lining plastic forming liner pipe with high supporting strength

Abstract

The utility model provides a trenchless opening PP thermal lining plastic molding liner tube with high supporting strength, which comprises an outer tube, a liner tube body is arranged in the outer tube, a plurality of sliding chutes are arranged on the inner wall of an inner cavity of the liner tube body, a cleaning mechanism is arranged in the liner tube body in a sliding manner, and a magnetic ring is connected to the surface of the outer tube in a sliding manner. The magnetic ring can drive the cleaning mechanism to move in the moving process, by arranging the cleaning mechanism, by means of magnetic attraction of the magnetic ring and the magnetic block, when the magnetic ring slides on the surface of the outer pipe, the rubber ring can be driven to move in the liner pipe body, the rubber ring makes contact with the inner wall of the liner pipe body, attached impurities can be effectively scraped away, and it is avoided that the impurities are accumulated for a long time to corrode the liner pipe body; two inclined surfaces are designed on the rubber ring, so that scraped impurities are difficult to attach and directly slide down, and the impurities are cleaned more thoroughly without residues; meanwhile, the protruding blocks in the sliding grooves are matched with the magnetic blocks, in the moving process of the magnetic blocks, the protruding blocks extrude the magnetic blocks to enable the rubber rings to deform in multiple directions, and impurities with high adhesive force can be removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lining pipe, specifically to a non-excavation opening PP heat plastic forming lining pipe with high support strength. BACKGROUND

[0002] In the field of modern pipeline engineering, non-excavation technology has been widely used due to its advantages of small environmental damage, high construction efficiency, and no impact on surrounding traffic. Among them, the PP heat plastic forming lining pipe, as a key component in non-excavation repair technology, plays an important role in repairing old pipelines and improving pipeline performance.

[0003] Traditional non-excavation opening PP heat plastic forming lining pipes have exposed many problems in actual use. First, the support strength of the lining pipe is insufficient. Under the condition of long-term bearing of external soil pressure, underground water seepage pressure and internal conveying medium pressure, deformation, rupture and other damage phenomena are likely to occur. This not only causes the pipeline conveying function to be blocked, but also may cause leakage, polluting the surrounding environment. For example, in the repair project of urban underground sewage pipeline, due to the insufficient support strength of the lining pipe, after a period of use, the pipeline appears local depression, sewage flow is not smooth, and even leakage occurs, polluting the underground water resources and affecting the quality of life of the surrounding residents.

[0004] Secondly, in the long-term use process, various impurities will inevitably adhere to the inside of the pipeline, such as particles in the conveying medium and dirt formed by the growth of microorganisms. These impurities gradually accumulate, not only reducing the flow area of the pipeline and the conveying efficiency, but also causing corrosion to the inner wall of the lining pipe, shortening the service life of the lining pipe. For example, in the oil conveying pipeline, the adhesion of impurities in the pipeline will cause the pipeline conveying capacity to decrease and the conveying cost to increase. At the same time, the corrosion of impurities will cause the lining pipe to appear perforation and other damage, which will affect the conveying. Therefore, we design a non-excavation opening PP heat plastic forming lining pipe with high support strength. UTILITY MODEL CONTENTS

[0005] The utility model provides a non-excavation opening PP heat plastic forming lining pipe with high support strength, which is characterized by setting a sliding groove in the inner wall of the lining pipe body and slidingly installing a cleaning mechanism inside the sliding groove. The surface of the outer pipe is slidingly connected with a magnetic ring. Moving the magnetic ring can drive the cleaning mechanism to clean the impurities on the inner wall of the lining pipe body, ensuring the normal use of the pipeline.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a non-excavation opening PP heat plastic forming lining pipe with high support strength, comprising an outer pipe, an inner lining pipe body provided in the outer pipe, a plurality of sliding grooves opened on the inner wall of the inner lining pipe body, a cleaning mechanism slidingly installed in the inner lining pipe body, and a magnetic ring slidingly connected to the surface of the outer pipe. The magnetic ring can drive the cleaning mechanism to move during movement.

[0007] Preferably, the cleaning mechanism comprises magnetic blocks, which are located inside the sliding groove and are in sliding connection with the liner body, a plurality of the magnetic blocks are fixedly installed with rubber rings, and two inclined surfaces are formed in the rubber rings.

[0008] Preferably, the cleaning mechanism further comprises protrusions, which are arranged inside the sliding groove and are in fixed connection with the liner body.

[0009] Preferably, the cleaning mechanism further comprises one-way components, which are installed on the rubber rings, every three one-way components form a group, and the middle one-way component in the group is opposite to the installation directions of the other two one-way components.

[0010] Preferably, the one-way component comprises an installation pipe, which is in fixed connection with the rubber ring, a fixed plate is fixedly installed inside the installation pipe, a spring is fixedly installed on the fixed plate, a sliding plate is fixedly installed on the spring, a blocking ball is fixedly installed on the sliding plate, and a horn cover is fixedly installed inside the installation pipe, and the blocking ball is used for blocking the horn cover.

[0011] The utility model has the advantages of:

[0012] By setting the cleaning mechanism, the magnetic ring and the magnetic block are magnetically attracted, when the magnetic ring slides on the surface of the outer pipe, the magnetic block and the rubber ring connected therewith can be moved in the liner body, the rubber ring contacts the inner wall of the liner body, can effectively scrape off the attached impurities, avoids that the impurities are long-term accumulated and corrode the liner body, and greatly prolongs the service life of the liner and the outer pipe.

[0013] The two inclined surfaces designed on the rubber ring are smooth, the scraped impurities are difficult to adhere and directly slide off, the impurities cleaning is more thorough, and there is no residue; meanwhile, the protrusions in the sliding groove cooperate with the magnetic blocks, in the moving process of the magnetic blocks, the protrusions extrude the magnetic blocks to make the rubber ring deform in multiple directions, the impurities with strong adhesion can be cleaned, the cleaning effect is further improved, and the inner wall of the pipeline is ensured to be clean.

[0014] The one-way components in the cleaning mechanism are installed on the rubber ring, when the rubber ring is deformed due to extrusion of the magnetic blocks and the protrusions, the internal cavity gas is discharged and acts on the one-way components to further clean the impurities on the inclined surface of the rubber ring; and when the rubber ring returns, the gas can be recovered through the one-way components with opposite installation directions, the next cleaning is facilitated, and the pipeline cleaning is continuously ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the accompanying drawings required to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the premise that the accompanying drawings are not all the embodiments of the present application.

[0016] Figure 1 A schematic diagram of the overall structure of the non-excavation opening PP heat plastic forming lining pipe with high support strength according to the present application is shown in the figure.

[0017] Figure 2 A schematic diagram of the internal structure of the non-excavation opening PP heat plastic forming lining pipe with high support strength according to the present application is shown in the figure.

[0018] Figure 3 A schematic diagram of the internal structure of the rubber ring of the non-excavation opening PP heat plastic forming lining pipe with high support strength according to the present application is shown in the figure.

[0019] Figure 4 A schematic diagram of the internal structure of the mounting ring of the non-excavation opening PP heat plastic forming lining pipe with high support strength according to the present application is shown in the figure.

[0020] Reference numerals in the figure: 1, outer pipe; 2, lining pipe body; 3, magnetic ring; 4, fixed plate; 5, sliding groove; 6, protruding block; 7, rubber ring; 8, magnetic block; 9, spring; 10, mounting ring; 11, horn cover; 12, plugging ball; 13, sliding plate. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely below in combination with the accompanying drawings of the present application. Obviously, the described embodiments only represent some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort fall within the scope of protection of the present application.

[0022] According to Figure 1 , Figure 2 , Figure 3 , Figure 4 , a non-excavation opening PP heat plastic forming lining pipe with high support strength comprises an outer pipe 1, the inner part of the outer pipe 1 is provided with a lining pipe body 2, a plurality of sliding grooves 5 are formed on the inner wall of the inner cavity of the lining pipe body 2, a cleaning mechanism is slidingly installed inside the lining pipe body 2, a magnetic ring 3 is slidingly connected to the surface of the outer pipe 1, and the magnetic ring 3 can drive the cleaning mechanism to move during movement.

[0023] The outer pipe 1 is installed with the liner body 2, mainly to provide all-round protection for the outer pipe 1; in actual use, the outer pipe 1 will be corroded and worn by the internal conveying medium, and will also be affected by environmental factors such as external soil extrusion and underground water infiltration, after the liner body 2 is installed, the damage of these adverse factors to the outer pipe can be effectively blocked, and the corrosion and blockage caused by impurities adhering to the inner wall of the outer pipe can be prevented, thereby significantly prolonging the service life of the outer pipe 1; the liner body 2 is installed inside the outer pipe 1 and combined with the outer pipe 1 for protecting the outer pipe 1, but the traditional liner body 2 does not have a cleaning mechanism, impurities can easily adhere to the pipe wall during long-term use, and over time, the liner body 2 will be damaged, thereby affecting the use of the outer pipe 1, and the magnetic ring 3 is driven to move on the outer pipe 1, and the cleaning mechanism is driven to move by the magnetic ring 3, so that the cleaning mechanism cleans the inner wall of the liner body 2 to avoid the adhesion of impurities.

[0024] The cleaning mechanism comprises a magnetic block 8, the magnetic block 8 is located inside the sliding groove 5 and is in sliding connection with the liner body 2, a plurality of magnetic blocks 8 are fixedly installed with rubber rings 7, and two inclined surfaces are formed in the rubber rings 7.

[0025] Since the magnetic ring 3 and the magnetic block 8 have the characteristics of magnetic attraction, the magnetic ring 3 can drive the magnetic block 8 to move during movement, so that the magnetic block 8 drives the rubber ring 7 to move, and since the rubber ring 7 is in contact with the inner wall of the liner body 2, the impurities on the inner wall of the liner body 2 can be cleaned, and the impurities can be prevented from adhering to the inner wall of the liner body 2, but the impurities may be attached to the rubber ring 7 after being scraped off, in order to prevent the impurities from adhering to the rubber ring 7, the surface of the rubber ring 7 is provided as an inclined surface, the inclined surface is smooth, and when the impurities fall on the surface, the impurities will directly slide off and will not accumulate, so that the impurities can be better cleaned and there is no residue.

[0026] The movement of the rubber ring 7 can also move it to a specified position, such as a position that needs strong support, so that the rubber ring 7 can further play a supporting role to avoid the occurrence of a concave situation at a position with high pressure, thereby improving the overall support.

[0027] The cleaning mechanism further comprises a protruding block 6, the protruding block 6 is arranged inside the sliding groove 5 and is fixedly connected with the liner body 2.

[0028] When the magnetic ring 3 drives the magnetic block 8 to move, the magnetic block 8 will continuously encounter the sliding groove 5, at this time, the magnetic block 8 will be squeezed, since the sliding groove 5 is provided with four, so the protrusion 6 will be provided with four groups, but the four groups are correspondingly staggered, when the magnetic block 8 moves to a group of protrusions 6, only two magnetic blocks 8 will be squeezed by the protrusion 6, so that the rubber ring 7 is bent, the bending of the rubber ring 7 can better squeeze the distribution of impurities and assist the sliding of the impurities, and with the further sliding of the magnetic block 8, the other two magnetic blocks 8 will squeeze the rubber ring 7 in different directions, so that the rubber ring 7 is deformed in multiple directions, thereby cleaning some impurities with strong adhesion.

[0029] The cleaning mechanism further comprises a one-way component, the one-way component is installed on the rubber ring 7, every three one-way components are a group, and the middle one-way component in the group is opposite to the installation direction of the other two one-way components.

[0030] Since the inside of the rubber ring 7 is a cavity structure, when the rubber ring 7 is deformed due to the squeezing of the magnetic block 8 and the protrusion 6, the gas in the cavity of the rubber ring 7 will be discharged, and the discharged gas will directly act on the one-way component, thereby cleaning the impurities at the one-way component, ensuring further cleaning of the inclined surface of the rubber ring 7, and better discharging the impurities, and when the rubber ring 7 is bent and returns, the one-way component opposite to the installation direction can recover the gas, facilitating the next use.

[0031] The one-way component comprises an installation pipe 10, the installation pipe 10 is fixedly connected with the rubber ring 7, a fixed plate 4 is fixedly installed in the installation pipe 10, a spring 9 is fixedly installed on the fixed plate 4, a sliding plate 13 is fixedly installed on the spring 9, a plugging ball 12 is fixedly installed on the sliding plate 13, and a horn cover 11 is fixedly installed in the installation pipe 10, and the plugging ball 12 is used to block the horn cover 11.

[0032] When the rubber ring 7 is deformed, the gas will be squeezed, the gas will squeeze the plugging ball 12, the plugging ball 12 will be separated from the horn cover 11, so that the gas will be discharged, thereby cleaning the impurities, and since a certain gas pressure is required to discharge the gas, therefore, after the gas is discharged, the impurities can be completely cleaned.

[0033] Working principle: the outer tube 1 is used in cooperation with the liner body 2, the liner body 2 is used for protecting the outer tube 1, a plurality of chutes 5 are formed on the inner cavity inner wall of the liner body 2, the cleaning mechanism is slidably installed in the chute 5, when the magnetic ring 3 is slid on the surface of the outer tube 1, the movement of the magnetic ring 3 drives the magnetic block 8 to slide in the chute 5 by using the magnetic attraction characteristics of the magnetic ring 3 and the magnetic block 8. The magnetic block 8 is fixedly installed on the rubber ring 7, so that the movement of the magnetic block 8 drives the movement of the rubber ring 7, the rubber ring 7 is in contact with the inner wall of the liner body 2, thereby cleaning the impurities on the inner wall of the liner body 2. The inclined surface on the rubber ring 7 can make the scraped impurities directly slide off, avoiding the attachment of impurities; the protrusions 6 in the chute 5 are fixedly connected with the liner body 2, when the magnetic ring 3 drives the magnetic block 8 to move, the magnetic block 8 will intermittently encounter the protrusions 6 and be extruded; since the protrusions 6 are arranged in four groups with two groups staggered, the movement of the magnetic block 8 will deform the rubber ring 7 in different directions, thereby cleaning the impurities with strong adhesion. The rubber ring 7 is provided with one-way components, every three one-way components form a group, the middle one-way component in the group is opposite to the other two in installation direction; when the rubber ring 7 is deformed due to the extrusion of the magnetic block 8 and the protrusion 6, the gas in the internal cavity of the rubber ring 7 is discharged and acts on the one-way component, further cleaning the impurities on the inclined surface of the rubber ring 7; the mounting pipe 10 in the one-way component is fixed on the rubber ring 7, the fixed plate 4 in the mounting pipe 10 fixes the spring 9, the spring 9 is connected with the sliding plate 13, and the blocking ball 12 on the sliding plate 13 is used for blocking the horn cover 11; when the rubber ring 7 is deformed and extruded by the gas, the gas extrudes the blocking ball 12 to separate the blocking ball 12 from the horn cover 11, and the gas is discharged to clean the impurities; when the rubber ring 7 returns, the gas is recovered through the one-way components with opposite installation directions, so as to be used next time; through the cooperative driving operation of the above-mentioned parts, the cleaning of the impurities on the inner wall of the liner body 2 is realized, the attachment of the impurities to damage the liner body 2 is avoided, and the normal use of the outer tube 1 is ensured.

[0034] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A non-excavation PP thermoplastic liner with high support strength, comprising an outer tube (1), characterized in that: The outer tube (1) is provided with a liner body (2) inside. Multiple sliding grooves (5) are opened on the inner wall of the inner cavity of the liner body (2). A cleaning mechanism is slidably installed inside the liner body (2). A magnetic ring (3) is slidably connected to the surface of the outer tube (1). The magnetic ring (3) can drive the cleaning mechanism to move during the movement.

2. The non-excavation PP thermoplastic liner with high support strength according to claim 1, characterized in that: The cleaning mechanism includes a magnetic block (8), which is located inside the chute (5) and slidably connected to the liner body (2). A rubber ring (7) is fixedly installed on a plurality of magnetic blocks (8), and the rubber ring (7) has two inclined surfaces.

3. The non-excavation PP thermoplastic liner with high support strength according to claim 2, characterized in that: The cleaning mechanism also includes a protrusion (6), which is disposed inside the groove (5) and fixedly connected to the liner body (2).

4. The non-excavation PP thermoplastic liner with high support strength according to claim 3, characterized in that: The cleaning mechanism also includes a one-way component, which is installed on a rubber ring (7). Every three one-way components form a group, and the middle one-way component in a group is installed in the opposite direction to the other two one-way components.

5. A non-excavation PP thermoplastic liner with high support strength according to claim 4, characterized in that: The unidirectional component includes an installation tube (10), which is fixedly connected to a rubber ring (7). A fixing plate (4) is fixedly installed inside the installation tube (10). A spring (9) is fixedly installed on the fixing plate (4). A sliding plate (13) is fixedly installed on the spring (9). A blocking ball (12) is fixedly installed on the sliding plate (13). A horn cover (11) is fixedly installed inside the installation tube (10). The blocking ball (12) is used to block the horn cover (11).

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