A hydraulic trenchless repair device and repair method for partial collapse of pipeline

Abstract

The present invention discloses a hydraulic trenchless repair device and a repair method for partial collapse of a pipeline, which relates to the technical field of pipeline repair, and solves the problems that the existing trenchless method for repairing pipelines cannot repair pipeline damage caused by collapse, and cannot be processed after rounding the collapsed part, resulting in the phenomenon that the inner wall of the pipeline is not smooth. A hydraulic trenchless repair device and a repair method for partial collapse of a pipeline include a transmission mechanism, one end of which is equipped with a support sealing mechanism, and the support sealing mechanism includes a support guide frame, a second electric push rod, a limit frame, a notch support seat, an arc-shaped sealing gasket, a clamping strip, and a third support spring. The present invention effectively improves the smoothness of the inner wall of the collapsed part by rounding and cutting the inner wall of the collapsed part of the pipeline, and is convenient for sealing and supporting the damage caused by the collapse, thereby ensuring the safe use of the pipeline.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline repair, and in particular to a hydraulic trenchless repair device and a repair method for partial collapse of a pipeline. Background Art

[0002] With the rapid development of social economy, the scale of cities is getting larger and larger, so more and more pipelines are chosen to be laid underground. Among the underground pipelines, many pipelines are crossed and complicated. Some pipelines have been used for many years, and some large pipelines will collapse partially. Most of these pipelines are laid in densely populated and prosperous urban areas. Excavation construction will cause traffic jams, destruction of green spaces and gardens. The process of excavating and repairing pipelines often causes damage to other pipelines. The construction period is long, the environmental impact is large, and the cost is high, which limits its application in non-excavation pipeline repair work.

[0003] However, the existing trenchless method for repairing pipelines cannot repair pipeline damage caused by collapse, and cannot be processed after the collapsed part is rounded, resulting in an uneven inner wall of the pipeline; therefore, it does not meet the existing needs. In this regard, we propose a hydraulic trenchless repair device and repair method for partial collapse of pipelines. Summary of the invention

[0004] The purpose of the present invention is to provide a hydraulic trenchless repair device and method for partial collapse of a pipeline, so as to solve the problems proposed in the above background technology that the existing trenchless method for repairing pipelines cannot repair pipeline damage caused by collapse, and cannot be processed after rounding the collapsed part, resulting in uneven inner wall of the pipeline.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hydraulic trenchless repair device for partial collapse of a pipeline, comprising a transmission mechanism, a supporting sealing mechanism is installed at one end of the transmission mechanism, the supporting sealing mechanism comprises a supporting guide frame, a second electric push rod, a limiting frame, a notch support seat, an arc-shaped sealing gasket, a clamping strip and a third supporting spring, the second electric push rods are fixedly installed on the inner sides of both ends of the supporting guide frame, a notch support seat is fixedly installed at one end of the second electric push rod, an arc-shaped sealing gasket is installed at one end of the notch support seat, clamping strips are installed on both sides of the notch support seat, and two third supporting springs are arranged on one side of the clamping strip. Three support springs, a limiting frame is installed on the outer side of the four third support springs, an angle adjustment mechanism is installed on the outer side of one end of the transmission mechanism, the angle adjustment mechanism includes an installation adjustment disk, an angle adjustment roller, a locking sleeve, a connecting frame, a first electric push rod and a support rod, a locking sleeve is installed in the middle of one side of the installation adjustment disk, six connecting frames are evenly installed on the other side of the installation adjustment disk, a first electric push rod is fixedly installed on the inner side of the connecting frame, a support rod is installed on one end of the first electric push rod, the support rod is connected to the installation adjustment disk through the angle adjustment roller, and a circle calibration cutting mechanism is installed on one end of the support rod.

[0006] Preferably, the transmission mechanism includes a fixed connecting seat, a second hydraulic rod, a motor mounting box, a third transmission motor, a transmission shaft, an axial retaining sleeve and a guide sleeve, a second hydraulic rod is fixedly mounted on one end of the fixed connecting seat, a walking support mechanism is mounted on the other end of the fixed connecting seat, a motor mounting box is fixedly mounted on the end of the second hydraulic rod located away from the fixed connecting seat, the motor mounting box is connected to the fixed connecting seat through six guide sleeves, a third transmission motor is mounted on the inner side of the motor mounting box, a transmission shaft is mounted on one end of the third transmission motor, an axial retaining sleeve is slidably connected to the outer side of the transmission shaft, fixed support mechanisms are fixedly mounted on the upper and lower end surfaces of the walking support mechanism, and a pipe body is mounted on the outer sides of the two fixed support mechanisms.

[0007] Preferably, the walking support mechanism includes a sealing cover, a power supply box, a vertical sleeve, a limiting sleeve, a limiting sealing cover, an oblique wheel seat, a walking wheel, a first transmission motor, a battery box, a first support spring, a second transmission motor, a horizontal adjustment wheel, a vertical support wheel seat and a second support spring, a power supply box is fixedly installed on one side of the sealing cover, a battery box is installed on the inner side of the power supply box, a vertical sleeve is fixedly installed on the upper end surface of the power supply box, the inner side of the upper end of the vertical sleeve is slidably connected to the vertical support wheel seat, and the vertical support wheel seat The bottom end is connected to the battery box through a first supporting spring, and a horizontal adjusting wheel is slidably connected to the inner side of the upper end of the vertical supporting wheel seat, and a second transmission motor is installed at one end of the horizontal adjusting wheel. Limiting sleeves are fixedly installed on both sides of the battery box, and a limiting cover is installed at one end of the limiting sleeve. An oblique wheel seat is slidably connected to the inner side of the limiting cover, and the upper end of the oblique wheel seat is connected to the battery box through a second supporting spring, and a walking wheel is slidably connected to the inner side of the bottom end of the oblique wheel seat, and a first transmission motor is installed at the bottom end of the walking wheel.

[0008] Preferably, the fixed support mechanism comprises a first hydraulic rod, an anti-skid tooth plate and a connecting elbow, the anti-skid tooth plate is fixedly installed on the inner side of one end of the connecting elbow, and the first hydraulic rod is installed on the end of the anti-skid tooth plate away from the connecting elbow.

[0009] Preferably, the rounding and cutting mechanism includes an adjusting connecting seat, a cutting frame, a locking head and a rounding ball. The locking head is fixedly installed on the inner side of one end of the adjusting connecting seat, the upper end of the locking head is installed with a rounding ball, and the cutting frame is fixedly installed on one side of the rounding ball located on the adjusting connecting seat.

[0010] Preferably, the inner sides of both ends of the support guide frame and the outer sides of one end of the notch support seat are provided with card slots, the card strip is provided on the inner side of the card slot, the two ends of the support guide frame are connected to the two notch support seats through the card strip, and the two ends of the limit frame are connected to the card strip through a third support spring.

[0011] Preferably, one end of the transmission shaft passes through the middle of the mounting adjustment disk and is connected to the locking sleeve through a thread, the first electric push rod is connected and fixed to the mounting adjustment disk through a connecting frame, one end of the support rod passes through the angle adjustment roller and is connected to the first electric push rod through a locating pin, and both sides of the angle adjustment roller are connected to the mounting adjustment disk through cylindrical pins.

[0012] Compared with the prior art, the hydraulic trenchless repair device of the present invention has the following beneficial effects:

[0013] The present invention can meet the use of pipelines of different sizes by adjusting the repair structure. The whole can automatically perform horizontal correction during operation to ensure stable movement inside the pipeline, and can round, cut and seal the inner wall of the pipeline to effectively ensure the use strength of the collapsed part.

[0014] A method for repairing a partial collapse of a pipeline, comprising the following steps:

[0015] (A) One end of the transmission shaft is connected and fixed to the installation adjustment disk through a locking sleeve, the whole is placed in the pipe to be repaired, and the power is turned on. The upper end of the inclined wheel seat is connected to both sides of the battery box through a second support spring, so that the two inclined wheel seats are in contact with the pipe body through the walking wheels, which is convenient for positioning and supporting the whole. The first transmission motor is started, so that the first transmission motor drives the walking wheels to rotate on the inner side of the bottom end of the inclined wheel seat, and then the two walking wheels can drive the whole to walk on the inner side of the pipe body. By adjusting the rotation speed of the two walking wheels, the axis of the whole structure can always be kept parallel to the axis of the pipe body to ensure the stability of walking, and the vertical support wheel seat is connected to the upper end surface of the battery box through the first support spring, so that under the support of the first support spring, the horizontal adjustment wheel fits with the inner wall of the pipe body, and the second transmission motor is started, so that the second transmission motor drives the horizontal adjustment wheel to rotate on the inner side of the upper end of the vertical support wheel seat, so that the horizontal angle of the walking support mechanism can be adjusted by the rotation of the horizontal adjustment wheel.

[0016] Make adjustments to keep the overall level stable;

[0017] (B) When the whole body moves to the position that needs to be repaired on the inner side of the pipe body, the first transmission motor is stopped and the anti-skid tooth plate is started, so that the anti-skid tooth plate drives the first hydraulic rod to contact the pipe body under the support of the connecting bent pipe, and then the two first hydraulic rods can fix the walking support mechanism. At this time, the first electric push rod is started, so that the first electric push rod drives the support rod and the angle adjustment roller to adjust the angle through the connection of the positioning pin under the support of the connecting frame, so as to facilitate the movement of the rounding cutting mechanism to the inner wall of the pipe body, so that the rounding cutting mechanism is in close contact with the inner wall of the pipe body;

[0018] (C) Start the third transmission motor, so that the third transmission motor drives the transmission shaft to rotate through the axial retaining sleeve under the support of the motor installation box. At this time, the transmission shaft drives the six calibration and cutting mechanisms to rotate synchronously through the installation adjustment disk. Start the second hydraulic rod, so that the second hydraulic rod drives the motor installation box forward under the support of the fixed connecting seat, thereby facilitating the synchronous movement and rotation of the calibration and cutting mechanism, so that the calibration ball can calibrate the partially collapsed pipe, and then the cutting frame can cut the part of the pipe body after calibration, so as to avoid damage to the pipe body affecting the subsequent plugging and sealing operations, and improve the smoothness of the inner wall of the pipe body. During the calibration and cutting process, two anti-slip tooth plates can be used.

[0019] Effectively ensure the relative fixation of the whole and the pipe body;

[0020] (D) The whole is taken out from the inside of the tube body, and the transmission mechanism is separated from the angle adjustment mechanism. At this time, the support sealing mechanism and the transmission mechanism are installed. One end of the transmission shaft is connected to the middle part of the support guide frame through a positioning pin. The power is turned on, and the whole is driven to the vicinity of the collapsed part. The second hydraulic rod is started, so that the second hydraulic rod drives the support sealing mechanism to move to the center of the collapsed part through the transmission shaft under the support of the fixed connection seat. The third transmission motor is started, so that the third transmission motor drives the support sealing mechanism to rotate through the transmission shaft, so that the notch support seat rotates to the nearest point of the collapsed part. The second electric push rod is started, so that the second electric push rod drives the notch support seat to slide on the inner side of the two ends of the support guide frame under the support of the support guide frame. The inner side of the two ends of the support guide frame and the outer side of one end of the notch support seat are both provided with a card slot, and the card strip is provided on the inner side of the card slot, and the card strip is connected to the limit frame through the third support spring, so that the card strip can support the notch support seat under the support of the third support spring.

[0021] The two ends of the mouth support seat and the support guide frame are clamped and fixed;

[0022] (E) The notch support seat can seal and support the inner wall of the tube body after rounding cutting through the arc-shaped sealing pad, effectively ensuring the safety of the subsequent use of the tube body and effectively solving the problem of damage to the tube body during the collapse process. The transmission shaft is reset by the second hydraulic rod, which facilitates the separation of the transmission shaft and the support guide frame, thereby achieving continuous support for the tube body through the support sealing mechanism. The first transmission motor drives the entire body to move through the walking wheel, thereby facilitating the removal of the entire body.

[0023] Preferably, the upper end of the locking head passes through the upper end of the adjusting connecting seat and is connected to the calibration ball via a thread, the bottom end of the cutting frame is connected to the adjusting connecting seat via a thread, and the upper end of the cutting frame is provided with an arc-shaped cutting blade.

[0024] Preferably, one end of the transmission shaft passes through the axial retaining sleeve and the motor mounting box and is connected to the third transmission motor through a flat key, the transmission shaft and the axial retaining sleeve are connected through a flat key, six guide columns are evenly arranged at one end of the fixed connecting seat, the guide sleeve is sleeved on the outside of the guide column, and the motor mounting box is connected to the fixed connecting seat through the guide column and the guide sleeve.

[0025] Compared with the prior art, the repair method of the present invention has the following beneficial effects:

[0026] The present invention can effectively improve the smoothness of the collapsed part of the pipeline by performing trenchless repair on the pipeline, and further can effectively improve the service life and safety of the pipeline by blocking and supporting the pipeline damage caused by the collapse. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 A side view of the present invention as a whole;

[0029] Figure 3 It is a schematic cross-sectional structure diagram of the present invention as a whole;

[0030] Figure 4 It is a schematic cross-sectional structure diagram of the circle-calibrating and cutting mechanism of the present invention;

[0031] Figure 5 It is a partial cross-sectional structural schematic diagram of the transmission mechanism of the present invention;

[0032] Figure 6 It is a structural schematic diagram of the supporting sealing mechanism of the present invention;

[0033] Figure 7 It is a schematic diagram of the partial cross-sectional structure of the support sealing mechanism of the present invention.

[0034] In the figure: 1. walking support mechanism; 101. sealing cover; 102. power supply box; 103. vertical sleeve; 104. limiting sleeve; 105. limiting cover; 106. oblique wheel seat; 107. walking wheel; 108. first transmission motor; 109. battery box; 110. first support spring; 111. second transmission motor; 112. horizontal adjustment wheel; 113. vertical support wheel seat; 114. second support spring; 2. fixed support mechanism; 201. first hydraulic rod; 202. anti-skid tooth plate; 203. connecting elbow; 3. transmission mechanism; 301. fixed connection seat; 302. second hydraulic rod; 303. motor installation box; 304. The third transmission motor; 305, transmission shaft; 306, axial retaining sleeve; 307, guide sleeve; 4, angle adjustment mechanism; 401, installation adjustment disk; 402, angle adjustment roller; 403, locking sleeve; 404, connecting frame; 405, first electric push rod; 406, support rod; 5, rounding and cutting mechanism; 501, adjustment connection seat; 502, cutting frame; 503, locking head; 504, rounding ball; 6, supporting sealing mechanism; 601, supporting guide frame; 602, second electric push rod; 603, limiting frame; 604, notched support seat; 605, arc sealing gasket; 606, clamping strip; 607, third supporting spring; 7, tube body. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0036] The first transmission motor 108 (model YS7134), the second transmission motor 111 (model YEJ3-112M-4), the first hydraulic rod 201 (model HOB80X250-100), the second hydraulic rod 302 (model SJYG70-1000), the third transmission motor 304 (model GV50-3.7KW-60-S), the first electric push rod 405 (model HTKC-35) and the second electric push rod 602 (model LBP40) mentioned in the present invention can all be purchased from the market or obtained through private customization.

[0037] See also Figures 1 to 7An embodiment of the present invention provides: a hydraulic trenchless repair device for partial collapse of a pipeline, comprising a transmission mechanism 3, one end of the transmission mechanism 3 is equipped with a support sealing mechanism 6, the support sealing mechanism 6 comprises a support guide frame 601, a second electric push rod 602, a limit frame 603, a notch support seat 604, an arc sealing gasket 605, a clamping strip 606 and a third support spring 607, the inner sides of both ends of the support guide frame 601 are fixedly installed with the second electric push rod 602, one end of the second electric push rod 602 is fixedly installed with the notch support seat 604, one end of the notch support seat 604 is equipped with an arc sealing gasket 605, and both sides of the notch support seat 604 are equipped with clamping strips 606, which facilitate the notch support seat 604 to be clamped and fixed by the clamping strips 606, so as to facilitate the support of the collapsed part of the pipeline, one side of the clamping strip 606 is provided with two third support springs 607, and the outer sides of the four third support springs 607 are equipped with a limit frame 603 An angle adjustment mechanism 4 is installed on the outer side of one end of the transmission mechanism 3, and the angle adjustment mechanism 4 includes an installation adjustment disk 401, an angle adjustment roller 402, a locking sleeve 403, a connecting frame 404, a first electric push rod 405 and a support rod 406. A locking sleeve 403 is installed in the middle of one side of the installation adjustment disk 401, and six connecting frames 404 are evenly installed on the other side of the installation adjustment disk 401. The first electric push rod 405 is fixedly installed on the inner side of the connecting frame 404, and a support rod 406 is installed at one end of the first electric push rod 405. The support rod 406 is connected to the installation adjustment disk 401 through the angle adjustment roller 402, and a rounding cutting mechanism 5 is installed at one end of the support rod 406. The rounding cutting mechanism 5 is convenient for rounding and cutting the collapsed part of the pipeline. By rounding and cutting the inner wall of the collapsed part of the pipeline as a whole, the smoothness of the inner wall of the collapsed part is effectively improved, and it is convenient to seal and support the damage caused by the collapse, so as to ensure the safe use of the pipeline.

[0038] Furthermore, the transmission mechanism 3 includes a fixed connecting seat 301, a second hydraulic rod 302, a motor mounting box 303, a third transmission motor 304, a transmission shaft 305, an axial retaining sleeve 306 and a guide sleeve 307. The second hydraulic rod 302 is fixedly installed on one end of the fixed connecting seat 301, and the walking support mechanism 1 is installed on the other end of the fixed connecting seat 301. The second hydraulic rod 302 is located at an end away from the fixed connecting seat 301 and is fixedly installed with a motor mounting box 303. The motor mounting box 303 is connected to the fixed connecting seat 301 through six guide sleeves 307. The third transmission motor 304 is installed on the inner side of the motor mounting box 303. The transmission shaft 305 is installed on one end of the third transmission motor 304. The outer side of the transmission shaft 305 is slidably connected with the axial retaining sleeve 306. The upper and lower end surfaces of the walking support mechanism 1 are fixedly installed with fixed support mechanisms 2, and the outer sides of the two fixed support mechanisms 2 are installed with pipe bodies 7. The transmission mechanism 3 is convenient for driving the angle adjustment mechanism 4, the circle cutting mechanism 5 and the support sealing mechanism 6 to perform synchronous movement and rotation operations.

[0039] Furthermore, the walking support mechanism 1 includes a sealing cover 101, a power supply box 102, a vertical sleeve 103, a limiting sleeve 104, a limiting sealing cover 105, an inclined wheel seat 106, a walking wheel 107, a first transmission motor 108, a battery box 109, a first support spring 110, a second transmission motor 111, a horizontal adjustment wheel 112, a vertical support wheel seat 113 and a second support spring 114. The power supply box 102 is fixedly installed on one side of the sealing cover 101, and the battery box 109 is installed on the inner side of the power supply box 102. The vertical sleeve 103 is fixedly installed on the upper end surface of the power supply box 102, and the inner side of the upper end of the vertical sleeve 103 is slidably connected to the vertical support wheel seat 113. The bottom end of the vertical support wheel seat 113 is connected to the battery box 109 through The first supporting spring 110 is connected, and the inner side of the upper end of the vertical supporting wheel seat 113 is slidably connected with a horizontal adjusting wheel 112, and one end of the horizontal adjusting wheel 112 is installed with a second transmission motor 111. Limiting sleeves 104 are fixedly installed on both sides of the battery box 109, and a limiting cover 105 is installed at one end of the limiting sleeve 104. The inner side of the limiting cover 105 is slidably connected with an oblique wheel seat 106. The upper end of the oblique wheel seat 106 is connected to the battery box 109 through the second supporting spring 114, and the inner side of the bottom end of the oblique wheel seat 106 is slidably connected with a walking wheel 107, and the bottom end of the walking wheel 107 is installed with a first transmission motor 108. Through the walking support mechanism 1, it is convenient to drive the whole to move on the inner side of the tube body 7, and the horizontal angle can be automatically adjusted.

[0040] Furthermore, the fixed support mechanism 2 includes a first hydraulic rod 201, an anti-skid tooth plate 202 and a connecting elbow 203. The anti-skid tooth plate 202 is fixedly installed on the inner side of one end of the connecting elbow 203. The anti-skid tooth plate 202 is located at the end away from the connecting elbow 203 and is installed with the first hydraulic rod 201. The fixed support mechanism 2 is convenient for fixing the whole to the pipe body 7 to avoid sliding during the repair process.

[0041] Furthermore, the rounding and cutting mechanism 5 includes an adjusting connecting seat 501, a cutting frame 502, a locking head 503 and a rounding ball 504. The locking head 503 is fixedly installed on the inner side of one end of the adjusting connecting seat 501, the rounding ball 504 is installed on the upper end of the locking head 503, and the cutting frame 502 is fixedly installed on one side of the adjusting connecting seat 501. The rounding and cutting mechanism 5 is convenient for rounding and cutting the collapsed part of the pipeline.

[0042] Furthermore, there are card slots on the inner sides of both ends of the support guide frame 601 and the outer sides of one end of the notch support seat 604, and the card strip 606 is arranged on the inner side of the card slot. The two ends of the support guide frame 601 are connected to the two notch support seats 604 through the card strip 606, and the two ends of the limit frame 603 are connected to the card strip 606 through the third support spring 607. The card strip 606 is used to facilitate the card connection and fixation of the notch support seat 604, thereby facilitating the support of the collapsed part of the pipeline.

[0043] Furthermore, one end of the transmission shaft 305 passes through the middle of the installation adjustment disk 401 and is connected to the locking sleeve 403 through a thread, the first electric push rod 405 is fixed to the installation adjustment disk 401 through a connecting frame 404, one end of the support rod 406 passes through the angle adjustment roller 402 and is connected to the first electric push rod 405 through a positioning pin, and both sides of the angle adjustment roller 402 are connected to the installation adjustment disk 401 through cylindrical pins.

[0044] A method for repairing a partial collapse of a pipeline, the method comprising the following steps:

[0045] (A) One end of the transmission shaft 305 is connected and fixed to the installation adjustment disk 401 through the locking sleeve 403, and the whole is placed in the pipe to be repaired. The power is turned on. The upper end of the inclined wheel seat 106 and the two sides of the battery box 109 are connected through the second support spring 114, so that the two inclined wheel seats 106 are in contact with the pipe body 7 through the walking wheels 107, which facilitates the positioning and support of the whole. The first transmission motor 108 is started, so that the first transmission motor 108 drives the walking wheels 107 to rotate on the inner side of the bottom end of the inclined wheel seat 106, and then the two walking wheels 107 can drive the whole to move on the inner side of the pipe body 7. By adjusting the rotation speed of the two walking wheels 107, the axis of the whole structure can always be kept parallel to the axis of the pipe body 7, ensuring the stability of the walking.

[0046] The vertical support wheel seat 113 is connected to the upper end surface of the battery box 109 through the first support spring 110, so that the horizontal adjustment wheel 112 is in contact with the inner wall of the tube body 7 under the support of the first support spring 110, and the second transmission motor 111 is started, so that the second transmission motor 111 drives the horizontal adjustment wheel 112 to rotate on the inner side of the upper end of the vertical support wheel seat 113, so that the horizontal angle of the walking support mechanism 1 can be adjusted by the rotation of the horizontal adjustment wheel 112, and the walking support mechanism 1 can be adjusted.

[0047] Keep the overall level stable;

[0048] (B) When the whole is moved to the position that needs to be repaired on the inner side of the pipe body 7, the first transmission motor 108 is stopped and the anti-skid tooth plate 202 is started, so that the anti-skid tooth plate 202 drives the first hydraulic rod 201 to contact the pipe body 7 under the support of the connecting elbow 203, and then the two first hydraulic rods 201 can fix the walking support mechanism 1. At this time, the first electric push rod 405 is started, so that the first electric push rod 405 drives the support rod 406 and the angle adjustment roller 402 to adjust the angle through the connection of the positioning pin under the support of the connecting frame 404, so as to facilitate the movement of the rounding cutting mechanism 5 to the inner wall of the pipe body 7, so that the rounding cutting mechanism 5 and the inner wall of the pipe body 7 are aligned.

[0049] The walls are in close contact;

[0050] (C) Start the third transmission motor 304, so that the third transmission motor 304 drives the transmission shaft 305 to rotate through the axial retaining sleeve 306 under the support of the motor installation box 303. At this time, the transmission shaft 305 drives the six rounding and cutting mechanisms 5 to rotate synchronously through the installation adjustment disk 401. Start the second hydraulic rod 302, so that the second hydraulic rod 302 drives the motor installation box 303 to move forward under the support of the fixed connection seat 301, thereby facilitating the synchronous operation of the movement and rotation of the rounding and cutting mechanism 5, so that the rounding ball 504 can perform rounding operation on the partially collapsed pipeline, and then the cutting frame 502 can cut the part of the pipe body 7 after rounding, so as to avoid the damage of the pipe body 7 affecting the subsequent plugging and sealing operations, and improve the smoothness of the inner wall of the pipe body 7. During the rounding and cutting process, the two anti-slip tooth plates 202 can effectively ensure the relative fixation of the whole with the pipe body 7;

[0051] (D) The whole is taken out from the inside of the tube body 7, and the transmission mechanism 3 is separated from the angle adjustment mechanism 4. At this time, the support sealing mechanism 6 is installed with the transmission mechanism 3, and one end of the transmission shaft 305 is connected to the middle of the support guide frame 601 through a positioning pin. The power is turned on, and the whole is driven to the vicinity of the collapsed part. The second hydraulic rod 302 is started, so that the second hydraulic rod 302 drives the support sealing mechanism 6 to move to the center of the collapsed part through the transmission shaft 305 under the support of the fixed connection seat 301, and the third transmission motor 304 is started, so that the third transmission motor 304 drives the support sealing mechanism 6 to rotate through the transmission shaft 305, so that The notch support seat 604 rotates to the nearest point of the collapsed part, and the second electric push rod 602 is started, so that the second electric push rod 602 drives the notch support seat 604 to slide on the inner sides of the two ends of the support guide frame 601 under the support of the support guide frame 601. The inner sides of the two ends of the support guide frame 601 and the outer sides of one end of the notch support seat 604 are both provided with card slots, and the card strip 606 is provided on the inner side of the card slot, and the card strip 606 and the limit frame 603 are connected by the third support spring 607, so that under the support of the third support spring 607, the card strip 606 can clamp and fix the notch support seat 604 and the two ends of the support guide frame 601;

[0052] (E) The notch support seat 604 can seal and support the inner wall of the tube body 7 after the rounding cutting through the arc-shaped sealing gasket 605, effectively ensuring the safety of the subsequent use of the tube body 7 and effectively solving the problem of damage to the tube body 7 during the collapse process. The transmission shaft 305 is reset by the second hydraulic rod 302, which facilitates the separation of the transmission shaft 305 from the support guide frame 601, thereby achieving continuous support for the tube body 7 through the support sealing mechanism 6. The first transmission motor 108 drives the entire body to move through the walking wheel 107, thereby facilitating the removal of the entire body.

[0053] Furthermore, the upper end of the locking head 503 passes through the upper end of the adjusting connecting seat 501 and is connected to the calibration ball 504 by a thread. The bottom end of the cutting frame 502 is connected to the adjusting connecting seat 501 by a thread. The upper end of the cutting frame 502 is provided with an arc-shaped cutting blade. The cutting frame 502 is rotated and adjusted relative to the adjusting connecting seat 501, so as to facilitate cutting the inner wall of the tube body 7 of different sizes.

[0054] Furthermore, one end of the transmission shaft 305 passes through the axial retaining sleeve 306 and the motor mounting box 303 and is connected to the third transmission motor 304 through a flat key. The transmission shaft 305 is connected to the axial retaining sleeve 306 through a flat key. Six guide columns are evenly arranged at one end of the fixed connection seat 301. The guide sleeve 307 is sleeved on the outside of the guide column. The motor mounting box 303 is connected to the fixed connection seat 301 through the guide column and the guide sleeve 307, so that the motor mounting box 303 can be easily kept horizontal and stable through the guide sleeve 307.

[0055] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A hydraulic trenchless repair device for partial collapse of a pipeline, comprising a transmission mechanism (3), characterized in that: A support sealing mechanism (6) is installed at one end of the transmission mechanism (3), and the support sealing mechanism (6) comprises a support guide frame (601), a second electric push rod (602), a limiting frame (603), a notch support seat (604), an arc-shaped sealing gasket (605), a clamping strip (606) and a third support spring (607). The second electric push rod (602) is fixedly installed on the inner side of both ends of the support guide frame (601), a notch support seat (604) is fixedly installed on one end of the second electric push rod (602), an arc-shaped sealing gasket (605) is installed on one end of the notch support seat (604), clamping strips (606) are installed on both sides of the notch support seat (604), two third support springs (607) are arranged on one side of the clamping strip (606), and the limiting frame is installed on the outer side of the four third support springs (607). (603), an angle adjustment mechanism (4) is installed on the outer side of one end of the transmission mechanism (3), and the angle adjustment mechanism (4) includes an installation adjustment disk (401), an angle adjustment roller (402), a locking sleeve (403), a connecting frame (404), a first electric push rod (405) and a support rod (406), a locking sleeve (403) is installed in the middle of one side of the installation adjustment disk (401), six connecting frames (404) are evenly installed on the other side of the installation adjustment disk (401), a first electric push rod (405) is fixedly installed on the inner side of the connecting frame (404), a support rod (406) is installed on one end of the first electric push rod (405), the support rod (406) is connected to the installation adjustment disk (401) through the angle adjustment roller (402), and a circle calibration cutting mechanism (5) is installed on one end of the support rod (406); The transmission mechanism (3) comprises a fixed connection seat (301), a second hydraulic rod (302), a motor installation box (303), a third transmission motor (304), a transmission shaft (305), an axial retaining sleeve (306) and a guide sleeve (307); the second hydraulic rod (302) is fixedly mounted on one end of the fixed connection seat (301); the walking support mechanism (1) is mounted on the other end of the fixed connection seat (301); the motor installation box (303) is fixedly mounted on the end of the second hydraulic rod (302) that is located away from the fixed connection seat (301); 03), the motor installation box (303) is connected to the fixed connection seat (301) through six guide sleeves (307), a third transmission motor (304) is installed on the inner side of the motor installation box (303), a transmission shaft (305) is installed on one end of the third transmission motor (304), an axial retaining sleeve (306) is slidably connected to the outer side of the transmission shaft (305), the upper and lower end surfaces of the walking support mechanism (1) are fixedly installed with fixed support mechanisms (2), and the outer sides of the two fixed support mechanisms (2) are installed with pipe bodies (7); The roundness correction and cutting mechanism (5) comprises an adjusting connection seat (501), a cutting frame (502), a locking head (503) and a roundness correction ball (504); the locking head (503) is fixedly mounted on the inner side of one end of the adjusting connection seat (501); the roundness correction ball (504) is mounted on the upper end of the locking head (503); and the cutting frame (502) is fixedly mounted on one side of the roundness correction ball (504) located on the side of the adjusting connection seat (501).

2. A hydraulic trenchless repair device for partial pipeline collapse according to claim 1, characterized in that: The walking support mechanism (1) comprises a sealing cover (101), a power supply box (102), a vertical sleeve (103), a limiting sleeve (104), a limiting sealing cover (105), an oblique wheel seat (106), a walking wheel (107), a first transmission motor (108), a battery box (109), a first support spring (110), a second transmission motor (111), a horizontal adjustment wheel (112), a vertical support wheel seat (113) and a second support spring (114); a power supply box (102) is fixedly mounted on one side of the sealing cover (101); a battery box (109) is mounted on the inner side of the power supply box (102); a vertical sleeve (103) is fixedly mounted on the upper end surface of the power supply box (102); a vertical support wheel seat (113) is slidably connected to the inner side of the upper end of the vertical sleeve (103); The bottom end of the supporting wheel seat (113) is connected to the battery box (109) via a first supporting spring (110); the inner side of the upper end of the vertical supporting wheel seat (113) is slidably connected to a horizontal adjustment wheel (112); one end of the horizontal adjustment wheel (112) is mounted with a second transmission motor (111); both sides of the battery box (109) are fixedly mounted with a limiting sleeve (104); one end of the limiting sleeve (104) is mounted with a limiting cover (105); the inner side of the limiting cover (105) is slidably connected to an inclined wheel seat (106); the upper end of the inclined wheel seat (106) is connected to the battery box (109) via a second supporting spring (114); the inner side of the bottom end of the inclined wheel seat (106) is slidably connected to a walking wheel (107); the bottom end of the walking wheel (107) is mounted with a first transmission motor (108).

3. The hydraulic trenchless repair device for partial pipeline collapse according to claim 1 is characterized by: The fixed support mechanism (2) comprises a first hydraulic rod (201), an anti-skid tooth plate (202) and a connecting elbow (203), one end of the connecting elbow (203) is connected to the first hydraulic rod (201), and an anti-skid tooth plate (202) is installed at one end of the first hydraulic rod (201) away from the connecting elbow (203), and the anti-skid tooth plate (202) contacts the inner wall of the tube body (7).

4. The hydraulic trenchless repair device for partial pipeline collapse according to claim 1 is characterized by: The inner sides of both ends of the support guide frame (601) and the outer sides of one end of the notch support seat (604) are both provided with card slots, and the card strip (606) is provided on the inner side of the card slots. The two ends of the support guide frame (601) and the two notch support seats (604) are both connected via the card strip (606), and the two ends of the limit frame (603) and the card strip (606) are both connected via a third support spring (607).

5. The hydraulic trenchless repair device for partial pipeline collapse according to claim 1 is characterized by: One end of the transmission shaft (305) passes through the middle of the installation adjustment disk (401) and is connected to the locking sleeve (403) via a thread; the first electric push rod (405) and the installation adjustment disk (401) are connected and fixed via a connecting frame (404); one end of the support rod (406) passes through the angle adjustment roller (402) and is connected to the first electric push rod (405) via a positioning pin; both sides of the angle adjustment roller (402) are connected to the installation adjustment disk (401) via cylindrical pins.

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