CN210034630U

CN210034630U - Trenchless pipe dragging pulley structure

Info

Publication number: CN210034630U
Application number: CN201920698000.1U
Authority: CN
Inventors: 彭立钧; 莫涛
Original assignee: Anhui Haoyu Construction Engineering Co Ltd
Current assignee: Anhui Haoyu Construction Engineering Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-07
Anticipated expiration: 2029-05-15

Abstract

The utility model relates to a non-excavation pipe-dragging pulley structure, include the base, install backup pad and the transport pulley structure on the base, transport pulley structure fixed mounting at the upper surface of backup pad, the base upper surface on the fixed at least three guide threaded rods that are provided with, the plane at guide threaded rod perpendicular to base upper surface place, the point that each guide threaded rod is connected with the base is not located same straight line completely, the cover is equipped with fixation nut on guide threaded rod, guide threaded rod all passes the backup pad, and there is fixation nut in the equal butt in both sides of backup pad, a guide threaded rod passes two piece at least backup pads, transport pulley structure is provided with two at least, and department respectively is provided with one at the both ends of backup pad. The phenomenon of mutual winding of crossed and overlapped power tubes is not easy to cause, and the device can be well suitable for various different power tubes.

Description

Trenchless pipe dragging pulley structure

Technical Field

The utility model relates to a technical field of non-excavation construction especially relates to a non-excavation towing pipe pulley structure.

Background

The non-excavation means a new construction technology for laying, replacing and repairing various underground pipelines by utilizing various rock-soil drilling equipment and technical means and adopting the modes of guiding, directional drilling and the like under the condition of excavating at a very small part of the earth surface, has small damage and influence on surrounding traffic, environment and surrounding buildings, and has higher social and economic effects. In the non-excavation construction of the prior art, particularly in the back dragging construction of the porous power pipe, when the power pipe is dragged back, the drill bit and the power pipe are connected through the steel wire rope. When pulling back, because the angle of drill bit and wire rope is inconsistent, cause electric power pipe alternately overlapping and intertwine's phenomenon easily, lead to dragging the pipe and accomplish the back, pipeline both ends dislocation phenomenon is serious, brings the difficulty for the calibration tube head to because the tube head of electric power pipe is gone into the soil angle and drill bit and drilling rod are different, cause electric power pipe welding position cracked phenomenon to appear easily.

For example, chinese patent No. CN201672145U discloses a pulley structure for a pipe of a trenchless pipeline, which includes a pulley bracket, the pulley bracket is in a step shape, and a pulley is fixed on each step. The phenomena of breakage of the welding part of the power tube and dislocation of the tube head can be effectively reduced. However, in the actual use process of such a structure, different brackets need to be arranged according to different power tubes, which is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a non-excavation of electric power pipe can be applicable to multiple difference drags a tub pulley structure.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a non-excavation towing pipe pulley structure, includes the base, installs backup pad and the transport pulley structure on the base, transport pulley structure fixed mounting at the upper surface of backup pad, the base upper surface on the fixed at least three direction threaded rods that are provided with, the plane at direction threaded rod perpendicular to base upper surface place, the point that each direction threaded rod is connected with the base is not located same straight line completely, the cover is equipped with fixation nut on the direction threaded rod, the direction threaded rod all passes the backup pad, and there is fixation nut in the equal butt in both sides of backup pad, a direction threaded rod passes two piece at least backup pads, transport pulley structure is provided with two at least, and department respectively is provided with one at the both ends of backup pad.

Through adopting above-mentioned technical scheme, when facing different electric power pipes, through the backup pad that installation quantity and electric power pipe quantity are the same on the base to fix the position of backup pad through fixation nut. After the electric power pipe is fixed, the electric power pipe is transported through the conveying pulley and finally driven by the drill bit and the drill rod to enter the soil layer. The angle of each power tube driven by the drill bit and the drill rod to enter the soil is approximate by adjusting the position of the supporting plate, so that the probability of the fracture phenomenon at the welding position of the power tube is reduced. And the phenomenon of mutual winding of crossed and overlapped power tubes is not easy to cause, and the device can be well suitable for various different power tubes.

The utility model discloses further set up to: the conveying pulley structure comprises support rings, a plane perpendicular to support plate where the support rings are located, the axes of the two support rings are located on the same straight line, at least three installation through grooves are formed in the inner side walls of the support rings, the distance between every two adjacent installation through grooves is equal, conveying rollers are fixedly installed in the installation through grooves, rotating shafts of the conveying rollers are located in the plane of the axis of the support rings, and the diameter of each conveying roller is larger than the shortest distance between the rotating shaft of each conveying roller and the inner side face of each support ring.

Through adopting above-mentioned technical scheme, when the electric power pipe worn to establish in the support ring, the transport roller who leads to the inslot of installation and the inside wall butt of electric power pipe, and the interval has certain space between the inside wall of electric power pipe and support ring, reduces the friction between electric power pipe and the support ring, has reduced the wearing and tearing speed of support ring. And the back dragging construction operation of the power pipe is conveniently executed by an operator.

The utility model discloses further set up to: the outer side surface of the support ring is fixedly provided with a mounting seat, and the mounting seat is fixedly mounted on the upper surface of the support plate through screws.

Through adopting above-mentioned technical scheme, support ring detachable installs on the upper surface of backup pad, can install the support ring of different models according to the diameter of power pipe, and the power pipe of multiple difference that is applicable to that can be fine.

The utility model discloses further set up to: the corners of the conveying rollers are all set to be round corners.

Through adopting above-mentioned technical scheme, make conveying roller when keeping original support function, make conveying roller's edge be difficult for causing the damage to the electric power pipe surface that passes from the support intra-annular.

The utility model discloses further set up to: the base is set to be rectangular, and the guide threaded rods are provided with four guide threaded rods which are respectively positioned at four corners of the base.

Through adopting above-mentioned technical scheme, the base bearing structure of rectangle is more firm, is difficult for appearing rocking and the phenomenon of empting to it is less to take up an area of the space, is convenient for transport.

The utility model discloses further set up to: the threaded rod is installed in the threaded hole through threads.

Through adopting above-mentioned technical scheme, the direction threaded rod passes through the screw thread and installs on the base, can dismantle it when need not using, is convenient for accomodate and carry, and it is more convenient to use.

The utility model discloses further set up to: the base on fixed mounting have the balancing weight.

Through adopting above-mentioned technical scheme, the balancing weight reduces whole pulley structure's focus, when placing this pulley structure subaerial, and is more firm, is difficult for appearing rocking and the phenomenon of empting.

The utility model discloses further set up to: the bottom surface of the base is provided with a height adjusting foot cup.

Through adopting above-mentioned technical scheme, because the ground on the building site often is uneven, through the height of adjusting height control foot cup to can place steadily on uneven ground.

To sum up, the utility model discloses a beneficial technological effect does:

1. the phenomenon of mutual winding of crossed and overlapped power tubes is not easy to cause, and the device can be well suitable for various different power tubes;

2. the back dragging construction operation of the power pipe is conveniently executed by an operator.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a base; 11. a support plate; 12. a threaded hole; 13. a threaded rod; 14. fixing a nut; 2. a conveying pulley structure; 21. a support ring; 22. a mounting seat; 23. installing a through groove; 24. a conveying roller; 3. a balancing weight; 31. height adjustment foot cup.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the trenchless pipe dragging pulley structure comprises a rectangular base 1 and a supporting plate 11, wherein threaded holes 12 are formed in four corners of the upper surface of the base 1. A threaded rod 13 is threadedly mounted in the threaded hole 12 to be perpendicular to the upper surface of the base 1. The threaded rod 13 is sleeved with a fixing nut 14. The supporting plate 11 is parallel to the upper surface of the base 1, the threaded rod 13 penetrates through the supporting plate 11, and the upper side and the lower side of the supporting plate 11 are respectively abutted with a fixing nut 14. And conveying pulley structures 2 are fixedly arranged at both ends of the supporting plate 11. With this arrangement, the same number of support plates 11 as the number of power tubes can be installed while facing different numbers of power tubes. Then, the position of the supporting plate 11 is adjusted, so that the angle of each power tube driven by the drill bit and the drill rod to enter the soil is approximate, and the probability of the fracture phenomenon at the welding position of the power tube is reduced. The phenomenon of mutual winding of crossed and overlapped power tubes is not easy to cause, and the device can be well suitable for various different power tubes. The rectangular base 1 is stable in structure, the threaded rod 13 can be detached when the threaded rod is not needed to be used, storage and carrying are convenient, and the use is more convenient.

As shown in fig. 1 and 2, the conveying pulley structure 2 includes a support ring 21 and a mount 22 mounted on an outer side surface of the support ring 21, the mount 22 being fixedly mounted on an upper surface of the support plate 11 by screws. The planes of the two support rings 21 are perpendicular to the upper surface of the support plate 11, and the axes of the two support rings 21 are located on the same line. Four installation through grooves 23 are formed in the inner side face of the support ring 21, conveying rollers 24 are installed in the installation through grooves 23, the distance between every two adjacent conveying rollers 24 is equal, the rotating shafts of the four conveying rollers 24 are located on the same plane, and the plane is perpendicular to the axis of the support ring 21. The diameter of the conveyor roller 24 is slightly larger than the shortest distance between the axis of rotation of the conveyor roller 24 and the inner side of the support ring 21. The corners of the conveying rollers 24 are all set to be round corners. Through such setting, can install suitable conveying pulley structure 2 according to the diameter of the electric power pipe that needs to carry, conveying roller 24 can reduce the friction between electric power pipe and support ring 21, and the operating personnel of being convenient for carries out back of electric power pipe and drags the construction operation.

As shown in fig. 1, a weight block 3 is fixedly mounted on the bottom surface of the base 1. The balancing weight 3 reduces the gravity center of the whole pulley structure, and when the pulley structure is placed on the ground, the pulley structure is more stable and is not easy to shake and topple. The four corners of the bottom surface of the base 1 are also provided with height adjusting foot cups 31. Can be stably placed on uneven ground.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a non-excavation pipe-dragging pulley structure, includes base (1), installs backup pad (11) and conveying pulley structure (2) on base (1), conveying pulley structure (2) fixed mounting at the upper surface of backup pad (11), its characterized in that: base (1) upper surface on the fixed at least three direction threaded rod (13) that are provided with, the plane at direction threaded rod (13) perpendicular to base (1) upper surface place, the point that each direction threaded rod (13) and base (1) are connected is not located same straight line completely, the cover is equipped with fixation nut (14) on direction threaded rod (13), backup pad (11) are all passed in direction threaded rod (13), and there are fixation nut (14) in the equal butt in both sides of backup pad (11), two piece at least backup pad (11) are passed in a direction threaded rod (13), carry pulley structure (2) to be provided with two at least, and each is provided with one in the both ends department of backup pad (11).

2. The trenchless tug tube pulley configuration of claim 1, wherein: carry pulley structure (2) including support ring (21), plane perpendicular to backup pad (11) at support ring (21) place, and the axis of two support rings (21) is located same straight line, support ring (21) inside wall is last to have seted up logical groove (23) of at least three installation, the interval between two adjacent installation logical grooves (23) equals, equal fixed mounting has transport roller (24) in logical groove (23) is led to in the installation, and the rotation axis of each transport roller (24) all is located the plane of same perpendicular to support ring (21) axis, the diameter of transport roller (24) is greater than the shortest distance between the rotation axis of transport roller (24) and support ring (21) medial surface.

3. The trenchless tug tube pulley configuration of claim 2, wherein: the outer side surface of the support ring (21) is fixedly provided with a mounting seat (22), and the mounting seat (22) is fixedly mounted on the upper surface of the support plate (11) through screws.

4. The trenchless tug tube pulley configuration of claim 3, wherein: the corners of the conveying rollers (24) are all set to be round corners.

5. The trenchless tug tube pulley configuration of claim 1, wherein: the base (1) is arranged to be rectangular, and the guide threaded rods (13) are four and are respectively positioned at four corners of the base (1).

6. The trenchless tug tube pulley configuration of claim 1, wherein: the bottom surface of the base (1) is provided with a threaded hole (12), and the threaded rod (13) is installed in the threaded hole (12) through threads.

7. The trenchless tug tube pulley configuration of claim 1, wherein: the base (1) is fixedly provided with a balancing weight (3).

8. The trenchless tug tube pulley configuration of claim 1, wherein: the bottom surface of the base (1) is provided with a height adjusting foot cup (31).