Replacement type miniature jacking pipe

Abstract

The utility model discloses a replaceable miniature jacking pipe, which comprises a jacking pipe and a sleeve joint, wherein the sleeve joint is arranged on the jacking pipe and is used for connecting adjacent jacking pipes; the mortise and tenon socket structure is arranged at the end part of the sleeve joint and the end part of the top pipe and is convenient for connection; and the mortise and tenon socket structure comprises a boss which is arranged on the top pipe and is matched with the sleeve joint and guide surfaces which are arranged on the inner sides of the two ends of the sleeve joint in an inclined manner. When the broken pipeline is replaced, the broken pipeline is crushed by the crusher, and then the jacking pipe is jacked by the pipe jacking equipment to replace the original pipeline, so that the operation is simple and convenient, the efficiency is high, and the ground does not need to be excavated and replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe jacking, concretely refers to a replacement type micro pipe jacking. BACKGROUND

[0002] With the acceleration of urbanization, the traditional pipeline system is prone to deformation, aging, clogging, damage and other problems in the long-term use process, resulting in decreased operation efficiency, failure to meet the use requirements, and increased safety hazards. In order to ensure the normal and effective operation of the pipeline system, the existing safety hazards need to be eliminated. The replacement and maintenance of underground pipelines are increasingly required. The traditional excavation construction method has many drawbacks, such as great impact on traffic, long construction period, serious environmental pollution, and high cost; and the replacement type micro pipe jacking as a new type of trenchless construction pipe material can be jacked through a very small construction well to replace and repair the original pipeline, which can complete the replacement and repair of underground pipelines without damaging the ground surface and with minimal impact on the original flow capacity, and is suitable for use in densely populated urban areas, busy road sections, and areas with high environmental protection requirements. Therefore, a replacement type micro pipe jacking is proposed. SUMMARY

[0003] The utility model aims at solving the above problems and provides a replacement type micro pipe jacking.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a replacement type micro pipe jacking, which comprises a pipe jacking and a sleeve joint installed on the pipe jacking for connecting adjacent pipe jackings; characterized in that it further comprises a mortise and tenon socket structure arranged at the end of the sleeve joint and the pipe jacking for easy connection, the mortise and tenon socket structure comprising a boss arranged on the pipe jacking and adapted to the sleeve joint, and a guide surface arranged on the inner side of the two ends of the sleeve joint in an inclined manner.

[0005] Further preferably, it further comprises a sealing groove arranged on the boss and a helical tooth sealing element installed in the sealing groove.

[0006] Further preferably, the upper end of the helical tooth sealing element is arranged in an inclined manner, and the helical tooth sealing element is further provided with a contraction groove capable of being contracted downward for deformation under pressure at the upper end of the helical tooth sealing element.

[0007] Further preferably, it further comprises a buffer plate installed at the end of the pipe jacking for buffering the end of the pipe jacking.

[0008] Further preferably, the end of the sleeve joint is provided with a circular arc end for reducing the resistance during insertion.

[0009] Further preferably, the buffer plate is made of solid rubber plate, and further comprises a plurality of release holes arranged on the buffer plate for releasing stress under pressure.

[0010] The utility model discloses a beneficial effect: when replacing the damaged pipeline, the damaged pipeline is crushed through the crusher, and then the pipe jacking equipment is used to replace the original pipeline, so that the operation is simple and convenient, and the efficiency is high, and the ground does not need to be excavated and replaced.

[0011] Through the setting of the sleeve joint, the sleeve joint is used for connecting between adjacent pipe jacking, and through the setting of the bevel tooth sealing piece, the sealing property between the pipe jacking and the sleeve joint is increased, the upper end of the bevel tooth sealing piece is inclined, the sleeve joint is installed on the pipe jacking and contacts the bevel tooth sealing piece, and the bevel tooth sealing piece is contracted into the contraction groove under pressure, and the bevel tooth sealing piece is tightly attached to the pipe jacking and the sleeve through the reset force of the bevel tooth sealing piece after contraction, so that the sealing property is improved.

[0012] Through the installation of the buffer plate at the end of the pipe jacking, the buffer plate is used for buffering when the end of the pipe jacking contacts the end of another pipe jacking, and the pipe jacking is prevented from being damaged due to collision between the ends. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the structural schematic diagram of the utility model;

[0014] Figure 2 is the partial cross-sectional structural schematic diagram of the pipe jacking in the utility model;

[0015] Figure 3 is the partial cross-sectional structural schematic diagram of the sleeve joint in the utility model;

[0016] Figure 4 is another embodiment structural schematic diagram of the buffer plate in the application.

[0017] Legend: 1, pipe jacking; 11, boss; 2, sleeve joint; 22, guide surface; 3, sealing groove; 31, bevel tooth sealing piece; 32, contraction groove; 4, buffer plate; 41, release hole; 5, arc end. DETAILED DESCRIPTION

[0018] The utility model discloses a further explanation of a kind of replacement formula micro pipe jacking described in the utility model in combination with drawings.

[0019] It should be noted that all directional indications in the embodiments of the utility model, such as up, down, left, right, front, back, etc., are only used to explain the relative position relationship, movement condition, etc.

[0020] In the utility model, unless another definite provision and limitation, the terms "connect", "fix" and the like should be understood broadly; for example, "fix" can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, unless another definite limitation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0021] Referring to Figures 1-4 As shown in the figure, it comprises top pipe 1 and sleeve joint 2 installed on top pipe 1 for connecting adjacent top pipe 1;Characterized in that it further comprises mortise and tenon socket structure arranged at the end of sleeve joint 2 and top pipe 1 for facilitating connection, and the mortise and tenon socket structure comprises boss 11 arranged on top pipe 1 and matched with sleeve joint 2 and guiding surface 22 arranged on the inner side of both ends of sleeve joint 2 in an inclined manner;

[0022] Top pipe 1 is made of high tensile strength glass fiber, which greatly improves the crack resistance, tensile resistance and compression resistance of the pipe joint;

[0023] When replacing the damaged pipeline, the damaged pipeline is crushed by the crusher, and then the top pipe 1 is inserted into the replaced original pipeline by the top pipe 1 equipment, which is simple and convenient to operate, high in efficiency and does not need to excavate the ground for replacement;

[0024] Top pipe 1 is a micro top pipe 1, and the micro top pipe 1 is a top pipe 1 with a relatively short length, so that it can be directly taken into the pipe well for replacement, and is suitable for short pipe repair and replacement. The top pipe 1 in the application can also be a relatively long top pipe 1, and the relatively long top pipe 1 is suitable for repairing long pipes in a spacious position.

[0025] In one embodiment, it further comprises sealing groove 3 arranged on boss 11 and oblique tooth sealing element 31 installed in sealing groove 3;The upper end of oblique tooth sealing element 31 is arranged in an inclined manner, and the upper end of oblique tooth sealing element 31 is further provided with contraction groove 32 which can be contracted downward to deform under pressure;

[0026] Through the arrangement of sleeve joint 2, adjacent top pipe 1 is connected, and through the arrangement of oblique tooth sealing element 31, the sealing property between top pipe 1 and sleeve joint 2 is improved. By arranging the upper end of oblique tooth sealing element 31 in an inclined manner, the sleeve joint 2 is installed on top pipe 1 and contacts oblique tooth sealing element 31, which plays a guiding role. By arranging contraction groove 32, oblique tooth sealing element 31 can be contracted into contraction groove 32 after being pressed. After contraction, oblique tooth sealing element 31 is tightly attached to top pipe 1 and sleeve through the restoring force of oblique tooth sealing element 31, so as to improve the sealing property;

[0027] The design of mortise and tenon socket structure matched with low-height and high-elasticity oblique tooth sealing element effectively guarantees the sealing property and maximizes the effective wall thickness, thereby increasing the allowable jacking force.

[0028] In one embodiment, further comprising a buffer plate 4 installed at the end of the top pipe 1 to buffer the end of the top pipe 1;

[0029] By installing the buffer plate 4 at the end of the top pipe 1, the buffer plate 4 is set to buffer when the end of the top pipe 1 contacts the end of another top pipe 1, avoiding damage to the top pipe 1 caused by collision between the ends of the top pipe 1.

[0030] In one embodiment, the sleeve joint 2 end is provided with a circular arc end 5 to reduce the resistance during insertion; by setting the sleeve end to the circular arc end 5, the resistance during insertion of the sleeve end is reduced by the setting of the circular arc end 5.

[0031] In one embodiment, the buffer plate 4 is made of solid rubber plate, which can effectively extend the service life of the buffer plate and avoid damage to the buffer plate when it is impacted, and further comprises a plurality of release holes 41 provided on the buffer plate 4 for releasing stress when under pressure, which can effectively improve the buffering force of the buffer plate 41 by releasing stress through the release holes 41 when the buffer plate 4 is under pressure.

[0032] In use, the sleeve joint 2 is first installed at one end of the top pipe 1, then the end of the top pipe 1 is inserted into the pipe slot, and the top pipe 1 is pushed by the equipment of the top pipe 1 to push the top pipe 1 and the sleeve joint 2 into the underground pipe slot, and after the sleeve joint 2 is inserted onto the boss 11 of another top pipe 1, it is continuously pushed until the buffer plate 4 at the end of the top pipe 1 contacts the end of another top pipe 1 to complete the installation.

[0033] The protection scope of the utility model is not limited to the above embodiments and their transformations. The routine modifications and replacements made by the skilled in the art based on the content of the embodiments all belong to the protection scope of the utility model.

Claims

1. A replacement-type micro jacking pipe, comprising a jacking pipe (1) and a sleeve joint (2) mounted on the jacking pipe (1) for connecting adjacent jacking pipes (1); characterized in that... It also includes a tenon and tenon joint structure for easy connection between the sleeve joint (2) and the end of the jacking pipe (1). The tenon and tenon joint structure includes a boss (11) on the jacking pipe (1) that is adapted to the sleeve joint (2) and a guide surface (22) on the inner side of both ends of the sleeve joint (2) that is inclined.

2. The replacement-type micro-jacking pipe according to claim 1, characterized in that: It also includes a sealing groove (3) on the boss (11) and a helical tooth seal (31) installed in the sealing groove (3).

3. The replacement-type micro-jacking pipe according to claim 2, characterized in that: The upper end of the oblique tooth seal (31) is inclined, and the oblique tooth seal (31) is also provided with a shrinkage groove (32) that can shrink downward and deform after the upper end of the oblique tooth seal (31) is pressed.

4. The replacement-type micro-jacking pipe according to claim 1, characterized in that: It also includes a buffer plate (4) installed at the end of the jacking pipe (1) to buffer the end of the jacking pipe (1).

5. A replacement-type micro-jacking pipe according to claim 1, characterized in that: The sleeve joint (2) is provided with an arc end (5) to reduce resistance during insertion.

6. A replacement-type micro-jacking pipe according to claim 4, characterized in that: The buffer plate (4) is made of solid rubber and also includes several relief holes (41) provided on the buffer plate (4) for releasing stress when under pressure.

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