CN219453266U - Non-excavation pipeline draw gear - Google Patents

Abstract

The utility model discloses a non-excavation pipeline traction device, which relates to the technical field of pipeline restoration and comprises a hollow connecting ring, wherein both sides of the hollow connecting ring are connected with supporting fixed legs, the front surface of the hollow connecting ring is provided with connecting mounting holes at equal intervals, the inside of the connecting mounting holes is connected with the connecting ring through a telescopic connecting rod A at equal intervals, the connecting mounting holes and the outside of the connecting ring are connected with a pipe wall internal supporting mechanism at equal intervals, the pipe wall internal supporting mechanism comprises a hollow connecting column, the inside of the hollow connecting column is connected with a connecting column in a sliding mode, and one side of the connecting column, which is close to a transmission screw rod, is fixedly connected with a connecting seat. Non-excavation pipeline draw gear prevents that pipeline inside diameter size from being different, and the too big pipeline of diameter leads to pipe wall inside supporting mechanism unable to contact with the pipeline inner wall to reduce its quality of use's problem, prevent to need the staff to carry out individual regulation with pipe wall inside supporting mechanism by hand, reduce work efficiency, increase staff's amount of labour.

Description

Non-excavation pipeline draw gear

Technical Field

The utility model relates to the technical field of pipeline repair, in particular to a non-excavation pipeline traction device.

Background

With the development of town, the number of the drainage pipelines is increased every year, however, after the underground pipelines are operated for many years, due to the reasons of insufficient investment in maintenance and repair, the conditions of pipeline corrosion, serious leakage, damage deformation, uneven settlement and the like are caused, once the pipelines are disturbed by external factors, accidents such as road surface collapse, drainage pipeline bursting and the like are easily caused, so that serious economic loss and potential safety hazards are brought, the pipelines are replaced by the whole pipeline, the engineering quantity is huge, the cost is high, the engineering period is long, so that the cost is saved, the pipeline repair technology is often adopted to prolong the service life of the pipelines, and can be divided into the excavation repair technology and the non-excavation repair technology according to the construction conditions, the non-excavation repair technology is widely used due to the small influence on infrastructure, low maintenance cost, high construction repair efficiency and good repair effect, and the glass fiber hose is required to be pulled into the pipeline needing repair in the process of pipeline repair, and the situation that the lining is worn by the pipeline is contacted with the original pipeline is effectively avoided, as proposed by Chinese patent 2021230506751.

The contrast case is in carrying out the friction through supporting the walking wheel with prosthetic pipe wall to the in-process of drawing the hose to modifying the pipeline to will reduce the friction of prosthetic pipeline to the hose, but pipeline inside diameter size is different, and the too big pipeline of diameter leads to supporting the walking wheel and can't contact with the pipeline inner wall, thereby reduces its quality of use.

In the prior art, the length of supporting walking wheels is adjusted through a telescopic structure in the using process, so that the supporting walking wheels can adapt to pipelines with various diameters, but due to the fact that the number of the supporting walking wheels is large, workers are required to adjust the supporting walking wheels one by one manually, the working efficiency is reduced, and the labor capacity of the workers is increased.

There is a need for a fast-adjusting trenchless pipe pulling apparatus.

Disclosure of Invention

The utility model aims to provide a non-excavation pipeline traction device, which solves the problems that in the prior art, the inner diameters of pipelines are different, and the supporting travelling wheels cannot be contacted with the inner wall of the pipeline due to the fact that the pipelines with the overlarge diameters are different, so that the use quality of the pipeline is reduced.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a non-excavation pipeline draw gear, includes hollow go-between, the both sides of hollow go-between all are connected with the support fixed leg, the front equidistant connection mounting hole that is equipped with of hollow go-between, the inside of connecting the mounting hole is connected with the go-between through telescopic link A equidistant connection, the inside supporting mechanism of pipe wall is connected with to the inside equidistant connection of connection mounting hole and go-between, pipe wall inside supporting mechanism includes hollow spliced pole, the inside sliding connection of hollow spliced pole has the spliced pole, one side fixedly connected with connecting seat that the spliced pole is close to the transmission lead screw, the back of connecting seat is connected with between through round pin axle and the drive arm, one side fixedly connected with support walking wheel that hollow spliced pole was kept away from to the spliced pole.

The outer part of the pipe wall inner supporting mechanism is connected with a telescopic connecting rod B, and the inner part of the hollow connecting ring is connected with a transmission structure for the supporting mechanism.

The transmission structure for the supporting mechanism comprises a transmission screw rod, a bearing is sleeved outside the transmission screw rod, a movable nut is sleeved outside the transmission screw rod, a transmission arm is connected to the outside of the movable nut at equal intervals through a hinge A, and the transmission arm is connected with the supporting mechanism inside the pipe wall.

Optionally, the bottom of support fixed leg is fixedly connected with stabilizing piece.

Optionally, the outer part of the bearing is connected with the inner part of the hollow connecting ring through a vertical arm.

Optionally, the front of transmission lead screw is fixedly connected with turns round.

Optionally, the outside of supporting fixed leg is sprayed with rust-proof paint.

The utility model has the technical effects and advantages that:

1. non-excavation pipeline draw gear, carry out prosthetic in-process to repairing the pipeline at traction hose and use the transmission structure to adjust the inside supporting mechanism's of pipe wall length and make it laminate with repairing the inner wall of pipeline, prevent that the inside diameter size of pipeline from being different, the too big pipeline of diameter leads to pipe wall inside supporting mechanism unable and the pipeline inner wall to contact to reduce its quality of use's problem.

2. Non-excavation pipeline draw gear, the in-process that uses through bearing mechanism is with the high of the inside supporting mechanism of direct regulation of all pipe walls that transmission structure can be quick, prevents to need the staff to carry out individual regulation with the inside supporting mechanism of pipe wall manually, reduces work efficiency, increases staff's amount of labour.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present utility model;

FIG. 2 is a right side schematic view of the hollow connecting ring of the structure of the present utility model;

FIG. 3 is a right side schematic view of the support mechanism inside the pipe wall of the structure of the present utility model.

In the figure: the device comprises a hollow connecting ring 1, a supporting and fixing leg 2, a connecting and mounting hole 3, a telescopic connecting rod A4, a connecting ring 5, a supporting mechanism in the pipe wall 6, a hollow connecting column 61, a connecting column 62, a walking wheel 63, a transmission structure for the supporting mechanism 7, a transmission screw rod 71, a bearing 72, a moving nut 73, a transmission arm 74 and a telescopic connecting rod B8.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The utility model provides a non-excavation pipeline traction device as shown in figures 1-3, which comprises a hollow connecting ring 1 of a connecting component, wherein both sides of the hollow connecting ring 1 are connected with support fixing legs 2 for supporting the hollow connecting ring 1, rust-proof paint for preventing the support fixing legs 2 from rusting is sprayed outside the support fixing legs 2, the bottoms of the support fixing legs 2 are fixedly connected with stabilizing blocks for increasing the stability of the support fixing legs 2, and the front surfaces of the hollow connecting ring 1 are provided with connecting mounting holes 3 of the connecting component at equal intervals.

The inside of connecting the mounting hole 3 is connected with the go-between 5 that inside can connect the hose through the equidistant flexible connecting rod A4 that can stretch out and draw back, and the inside supporting mechanism 6 of pipe wall that the inside equidistant connection of connecting mounting hole 3 and go-between 5 has can stretch out and draw back and need prosthetic pipeline inner wall to laminate mutually, and inside supporting mechanism 6 of pipe wall includes coupling assembling's hollow spliced pole 61, and a plurality of hollow spliced poles 61 are connected with the outside of hollow spliced ring 1 and go-between 5 respectively.

The inside sliding connection of hollow spliced pole 61 has the spliced pole 62 of coupling assembling, and one side that spliced pole 62 is close to transmission lead screw 71 fixedly connected with connecting seat, and the back of connecting seat is connected with between the drive arm 74 through the round pin axle, and one side that spliced pole 62 kept away from hollow spliced pole 61 fixedly connected with can be in the pipeline inner wall the support walking wheel 63 that removes.

The outside of pipe wall inside supporting mechanism 6 is connected with can stretch out and draw back and link together a plurality of pipe wall inside supporting mechanism 6 telescopic link B8, the outside of spliced pole 62 is connected with telescopic link B8's outside, the internal connection of hollow go-between 1 has the supporting mechanism that can control pipe wall inside supporting mechanism 6 whole length variation to use transmission structure 7, the transmission structure 7 for supporting mechanism includes coupling assembling's transmission lead screw 71, the front fixedly connected with of transmission lead screw 71 makes things convenient for its rotatory torsion wheel of staff's drive.

The outside of transmission lead screw 71 has cup jointed through the bearing 72 that supports transmission lead screw 71, and the outside of bearing 72 is connected with the inside of hollow go-between 1 through erecting the arm, and the outside of transmission lead screw 71 has cup jointed through the rotatory removal nut 73 that moves of transmission lead screw 71, and the outside equidistant of removal nut 73 is connected with the drive arm 74 of length through hinge A, is connected between drive arm 74 and the pipe wall internal support mechanism 6, and a plurality of drive arms 74 can restrict the removal nut 73 and prevent that it from rotating at the in-process of motion.

The hose that will pull in the in-process of using is fixed with the inside of go-between 5, puts into the pipe that needs restoration with go-between 5 inside, drives the motion of removal nut 73 through rotatory transmission lead screw 71, and the in-process of removal nut 73 motion drives the support walking wheel 63 of drive spliced pole 62 and top and rises, and the support walking wheel 63 rises the in-process that needs restoration pipe's body and laminate and support.

The length of pipe wall inside supporting mechanism 6 can be adjusted through supporting mechanism for transmission structure 7 to make it laminate with the inner wall of restoration pipeline at the prosthetic in-process of traction hose to restoration pipeline, prevent that pipeline inside diameter size is different, and the too big pipeline of diameter leads to pipe wall inside supporting mechanism 6 unable and the pipeline inner wall to contact to reduce its quality of use's problem.

In the use process, the heights of all the pipe wall internal supporting mechanisms 6 can be quickly and directly adjusted through the transmission structure 7 for the supporting mechanism, so that the pipe wall internal supporting mechanisms 6 are prevented from being adjusted one by one manually by workers, the working efficiency is reduced, and the labor capacity of the workers is increased.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Non-excavation pipeline draw gear, including hollow go-between (1), its characterized in that: the two sides of the hollow connecting ring (1) are connected with supporting fixing legs (2), the front surface of the hollow connecting ring (1) is provided with connecting mounting holes (3) at equal intervals, the inside of the connecting mounting holes (3) is connected with connecting rings (5) at equal intervals through telescopic connecting rods A (4), and the connecting mounting holes (3) are connected with pipe wall inner supporting mechanisms (6) at equal intervals with the outside of the connecting rings (5);

the pipe wall internal supporting mechanism (6) comprises a hollow connecting column (61), the inside of the hollow connecting column (61) is connected with a connecting column (62) in a sliding manner, one side, close to a transmission screw rod (71), of the connecting column (62) is fixedly connected with a connecting seat, the back surface of the connecting seat is connected with a transmission arm (74) through a pin shaft, and one side, far away from the hollow connecting column (61), of the connecting column (62) is fixedly connected with a supporting travelling wheel (63);

the outer part of the pipe wall inner supporting mechanism (6) is connected with a telescopic connecting rod B (8), and the inner part of the hollow connecting ring (1) is connected with a transmission structure (7) for the supporting mechanism;

the transmission structure (7) for the supporting mechanism comprises a transmission screw rod (71), a bearing (72) is sleeved outside the transmission screw rod (71), a movable nut (73) is sleeved outside the transmission screw rod (71), transmission arms (74) are connected to the outside of the movable nut (73) at equal intervals through hinges A, and the transmission arms (74) are connected with the supporting mechanism (6) inside the pipe wall.

2. A trenchless pipeline pulling apparatus as defined in claim 1 wherein: the bottom of the supporting fixed leg (2) is fixedly connected with a stabilizing block.

3. A trenchless pipeline pulling apparatus as defined in claim 1 wherein: the outer part of the bearing (72) is connected with the inner part of the hollow connecting ring (1) through a vertical arm.

4. A trenchless pipeline pulling apparatus as defined in claim 1 wherein: the front face of the transmission screw rod (71) is fixedly connected with a torsion wheel.

5. A trenchless pipeline pulling apparatus as defined in claim 1 wherein: the outside of the supporting and fixing leg (2) is sprayed with rust-proof paint.