CN215215037U

CN215215037U - Middle deviation correcting device for jacking pipe

Info

Publication number: CN215215037U
Application number: CN202121348749.7U
Authority: CN
Inventors: 陈威; 宋志彬; 张智; 韩墨豪; 张俊岭; 刘满意; 徐耀华; 魏本飞; 杨传英; 杨清思
Original assignee: China National Chemical Engineering No16 Construction Co ltd
Current assignee: China National Chemical Engineering No16 Construction Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-17
Anticipated expiration: 2031-06-17

Abstract

The utility model provides a deviation correcting device in middle of push pipe includes support ring and cover and establishes the adjustable ring of support ring one end the support ring inner wall on be equipped with at least one hydraulic pressure part, the pneumatic branch part other end connect the adjustable ring on, the adjustable ring be in the promotion of hydraulic pressure part on relatively the support ring removes. The utility model has the advantages that, realize rectifying from the middle of the push pipe, improve the biggest angle of rectifying of push pipe at the angle that does not change instrument pipe (drill bit).

Description

Middle deviation correcting device for jacking pipe

Technical Field

The utility model relates to a push pipe deviation correcting device, concretely relates to be used for the middle device of rectifying of push pipe.

Background

The Hangzhou natural gas utilizes project natural gas reconstruction projects of project Fuyang branch lines (river reach) (S12 migration), the total length of a line is 10.2 kilometers, the terrain along the line is complex, non-excavation horizontal directional drilling and continuous pipe jacking construction in mountain sections are adopted, the construction process and the construction technology in long-distance pipeline projects are the most complex, and strong project management teams are needed to cooperate and carefully manage. The top pipe section is the longest section of the engineering in working period, has the total length of 2.8 kilometers, and consists of 11 sections of top pipe sections and 12 operating wells. The deviation of the jacking line can occur under the influence of geological conditions or jacking operators during the advancing process of the tool pipe (drill bit). When the offset is small and smaller than the design value of the deviation correcting system in the tool pipe, the numerical control system on the operating platform can control the circumferential expansion and contraction amount of the deviation correcting system to four hydraulic oil cylinders to adjust the jacking line in a small angle. And requires severe control of the deflection angle to be less than the tool tube adjustable deflection, which would otherwise invalidate the project.

The pipeline jacking pipe passes through the eastern mountain of the octagonal road (7 # foundation pit-8 # foundation pit jacking process, as the maximum deviation angle reaches 5.4 degrees, is 1.8 degrees larger than the maximum deviation angle of a tool pipe, exceeds the allowable deviation value of the design by 3.2 degrees, only the pipeline is abandoned according to the previous construction experience or the design is required to be adjusted by a design institute according to the drilled practical situation, the influence of the construction site environment is avoided, the design is not possible to be changed, in order to avoid the abandoned drilled pipeline, a device for correcting the deviation in the middle of the pipeline is developed, and the deviation of 5.4 degrees is realized through the deviation correction in the middle of the pipeline and the deviation correction of the tool pipe.

Disclosure of Invention

The utility model provides a deviation correcting device in middle of push pipe realizes rectifying from the middle of the push pipe, has improved the biggest angle of rectifying of push pipe at the instrument pipe (drill bit) that does not change.

The technical scheme of the invention is that a jacking pipe middle deviation correcting device comprises a support ring and an adjusting ring sleeved at one end of the support ring, at least one hydraulic part is arranged on the inner wall of the support ring, the other end of a pneumatic support part is connected to the adjusting ring, and the adjusting ring moves relative to the support ring under the pushing of the hydraulic part.

Further, the support ring include basic ring, first ring establish the one end of basic ring, the adjustable ring cover establish first ring is last.

Further, the adjustable ring include that the propelling movement encircles and the second is dicyclo, the propelling movement ring is connected the second is dicyclo, the propelling movement ring can insert in the push pipe heavy insert ring, the second ring cover establish first ring surface, or first ring cover establishes the second ring surface.

Furthermore, a first sealing structure is arranged on the outer surface of the first ring and the inner surface of the second ring, or a first sealing structure is arranged on the outer surface of the second ring and the inner surface of the first ring.

Furthermore, a first supporting seat is arranged on the inner wall of the foundation ring, and a second supporting seat is arranged on the inner wall of the second ring;

one end of the hydraulic component is fixed on the first supporting seat, and the other end of the hydraulic component is fixed on the second supporting seat.

Furthermore, one end of the hydraulic component is connected to the first support seat through a rotating shaft and/or the other end of the hydraulic component is connected to the second support seat through a rotating shaft.

Further, a pressure sensor is arranged on the hydraulic component.

Furthermore, a second sealing structure is arranged on the outer surface of the pushing ring.

And the support ring further comprises a lower connecting ring, and the lower connecting ring can be sleeved on the top pipe sinking socket.

Furthermore, the support ring is formed by splicing a plurality of small support rings;

the adjusting ring is formed by splicing a plurality of small adjusting rings.

The utility model has the advantages that:

1) the traditional deviation rectifying mode is changed, the original deviation rectifying is realized through deviation rectifying of the tool pipe (drill bit), the deviation rectifying range of the tool pipe is improved through rectifying on the middle pipeline of the jacking pipe, and the deviation rectifying range of the tool pipe can be improved by 10% or more by the aid of the middle deviation rectifying device and the tool pipe in a stepwise rectifying mode under the condition that the structure of the existing tool pipe is not changed.

2) The correcting device in the middle of the jacking pipe can be disassembled and assembled, can be conveniently transported to any position where the jacking pipe is formed, namely, the correcting device in the middle of the jacking pipe does not need to be installed on the jacking pipe in advance, and can be randomly arranged according to the actual deviation place, so that the correction of any position of the jacking pipe is realized.

3) The jacking pipe middle deviation correcting device and the tool pipe are linked to correct the deviation (simultaneously start the deviation correction), so that the correction amplitude of the tool pipe can be improved by 30 percent.

Drawings

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

FIG. 2 is a schematic cross-sectional view B-B of FIG. 1.

Fig. 3 is a schematic sectional view taken along line a-a of fig. 1.

Fig. 4 is a schematic view of the first ring being sleeved on the second ring.

Fig. 5 is a schematic diagram illustrating the control of the pressure sensor according to the present invention.

Fig. 6 is a schematic illustration of support ring splicing.

FIG. 7 is a schematic view of the adjustment ring splice.

As shown in the figure, the support ring 1, the adjusting ring 2, the hydraulic component 3, the first sealing structure 4, the pressure sensor 5, the controller 6, the second sealing structure 7, the base ring 11, the first ring 12, the first support seat 13, the lower connecting ring 14, the small support ring 15, the pushing ring 21, the second ring 22, the second support seat 23 and the small adjusting ring 24.

Detailed Description

As shown in figure 1, a jacking pipe middle deviation correcting device comprises a support ring 1 and an adjusting ring 2 sleeved at one end of the support ring 1, as shown in figures 2 and 3, four hydraulic components 3 (two hydraulic components 3, three hydraulic components 3 (hydraulic jacks) or five hydraulic components 3) are arranged on the inner wall of the support ring 1, the other end of the pneumatic branch component 3 is connected to the adjusting ring 2, the adjusting ring 2 moves relative to the support ring 1 under the pushing of the hydraulic component 3, the power part of the hydraulic component 3 can be arranged on the support ring 1, and can also be arranged on the adjusting ring 2, when the power part of the hydraulic component 3 is arranged on the support ring 1, the moving part of which is connected to the adjusting ring 2 and, when the power part of the hydraulic part 3 is arranged on the adjusting ring 2, the moving part of which is connected to the support ring 1.

As shown in fig. 3, the support ring 1 includes a base ring 11 and a first ring 12, the first ring 12 is disposed at one end of the base ring 11, the adjusting ring 2 is sleeved on the first ring 12, preferably, the adjusting ring 2 includes a pushing ring 21 and a second ring 22, the pushing ring 21 is connected to the second ring 22, the pushing ring 21 can be inserted into a top pipe sinking-inserting ring (a top pipe generally includes a sinking-inserting ring at one end and a sinking-inserting opening at the other end, when adjacent top pipes are connected, the pushing ring 21 is inserted into the sinking-inserting ring at the sinking-inserting opening, i.e. the pushing ring 21 is equivalent to the sinking-inserting opening at one end of the top pipe), as shown in fig. 3, the second ring 22 is sleeved on an outer surface of the first ring 12, and a first sealing structure 4 is disposed on the outer surface of the first ring 12 and the inner surface of the second ring 22, or as shown in fig. 4, the first ring 12 is sleeved on an outer surface of the second ring 22, the outer surface of the second ring 22 and the inner surface of the first ring 12 are provided with a first sealing structure 4, and the first sealing structure 4 can prevent muddy water from entering the support ring 1 through a gap between the first ring 12 and the second ring.

Preferably, the inner wall of the base ring 11 is provided with a first supporting seat 13, and the inner wall of the second ring 22 is provided with a second supporting seat 23;

one end of the hydraulic component 3 is fixed on the first support seat 13, and the other end is fixed on the second support seat 23, and further preferably, one end of the hydraulic component 3 is connected to the first support seat 13 through a rotating shaft and/or the other end of the hydraulic component 3 is connected to the second support seat 23 through a rotating shaft.

As shown in fig. 5, a pressure sensor 5 is disposed on the hydraulic component 3, a controller 6 is connected to the pressure sensor 5 by wireless or wire, the pressure sensor 5 collects pressure change data of the hydraulic component 3 in real time, and the controller 6 controls the working state of the hydraulic component 3 to prevent accidents caused by sudden pressure change, and during operation, the moving stroke of the movable components of the hydraulic component 3 at different positions is determined by the position and angle to be adjusted.

Preferably, the outer surface of the pushing ring 21 is provided with a second sealing structure 6, and when the pushing ring 21 is inserted into the sinking ring of the jacking pipe, the second sealing structure 7 can seal the gap between the pushing ring 21 and the jacking pipe, and can prevent muddy water from entering the jacking pipe through the gap.

Preferably, the support ring 1 further comprises a lower connecting ring 14, and the lower connecting ring 14 can be sleeved on the top pipe sunken jack.

Preferably, as shown in fig. 6, the support ring 1 is formed by splicing a plurality of small support rings 15 (actually, a detachable structure, generally, a bolt connection is adopted), the number of the small support rings 15 may be three, four, or two, or more, the small support rings 15 also include one or more base rings 11 and one or more first rings 12, a plurality of base rings 11 in the plurality of small support rings 15 are spliced into an annular base ring 11, a plurality of first rings 12 in the plurality of small support rings 15 are spliced into an annular first ring 12, and an annular base ring 11 and an annular first ring 12 are spliced into one support ring 1;

as shown in fig. 7, the adjusting ring 2 is formed by splicing a plurality of small adjusting rings 24 (actually, a detachable structure, generally, a bolt connection is adopted), the number of the small adjusting rings 24 may be three, four, or two, or more, the small adjusting rings 24 also include one or more pushing rings 21 and one or more second rings 22, a plurality of pushing rings 21 in the plurality of small adjusting rings 24 are spliced to form an annular pushing ring 21, a plurality of second rings 22 in the plurality of small adjusting rings 24 are spliced to form an annular second ring 22, and an annular pushing ring 21 and an annular second ring 22 are spliced to form the adjusting ring 2.

The working principle is as follows: when the deviation of the drilling direction of the tool pipe (drill bit) exceeds the limit of the deviation correction of the tool pipe (drill bit) or when the deviation of the drilling direction of the tool pipe (drill bit) exceeds the limit of the deviation correction of the tool pipe (drill bit) and the deviation of the deviation correction of the tool pipe (drill bit) is difficult, one or more sections of the top pipe which is drilled into the soil layer or the rock layer can be crushed manually and/or mechanically; then, a plurality of small supporting rings and a plurality of small adjusting rings are manually and/or mechanically used, a supporting ring is formed at the broken position of the jacking pipe by the plurality of small supporting rings, the small adjusting rings are spliced to form an adjusting ring, one end of the supporting ring is sleeved on the adjusting ring and is used for replacing one or more broken jacking pipes, the non-connecting end of the supporting ring is sleeved on the jacking pipe sinking and inserting ring of the original jacking pipe, the non-connecting end of the adjusting ring is sleeved in the jacking pipe sinking and inserting port of the original jacking pipe, at least one hydraulic part is arranged on the inner wall of the supporting ring, the other end of the pneumatic supporting part is connected to the adjusting ring, the adjusting ring moves relative to the supporting ring under the pushing of the hydraulic part, and the deviation rectification is carried out in the middle of the jacking pipe so as to assist the deviation rectification of the tool pipe, and the specific principle of the adjustment is as follows: taking four hydraulic parts as an example, the adjustment can be realized by matching one hydraulic part with three hydraulic parts or two hydraulic parts with two hydraulic parts, for example, there are four hydraulic parts 3 which are respectively arranged in twelve, three, six and nine directions, and the deviation correction is needed in the twelve direction, only the hydraulic part 3 in the twelve direction is started, the hydraulic parts 3 in other directions are not started, if the deviation correction is needed in the one or two directions, the two hydraulic parts 3 in the twelve and six directions are started, the other directions are not started, and the distance of pushing the hydraulic parts in the twelve and six directions after being started is determined according to the field calculation, so that the deflection of the adjusting ring relative to the support ring is realized.

Claims

1. The utility model provides a deviation correcting device in middle of push pipe, characterized by: the device package support ring and cover are established the adjustable ring of support ring one end the support ring inner wall on be equipped with at least one hydraulic pressure part, the hydraulic pressure part other end connect the adjustable ring on, the adjustable ring be in the promotion of hydraulic pressure part on relative the support ring removes.

2. The jacking pipe intermediate deviation correcting device of claim 1, wherein: the support ring include basic ring, first ring establish the one end of basic ring, the adjustable ring cover establish on the first ring.

3. The jacking pipe intermediate deviation correcting device of claim 2, wherein: the adjusting ring comprises a pushing ring and a second ring, the pushing ring is connected to the second ring, the pushing ring can be inserted into the jacking pipe sinking and inserting ring, the second ring is sleeved on the outer surface of the first ring, or the first ring is sleeved on the outer surface of the second ring.

4. The jacking pipe intermediate deviation correcting device of claim 3, wherein: the outer surface of the first ring and the inner surface of the second ring are provided with first sealing structures, or the outer surface of the second ring and the inner surface of the first ring are provided with first sealing structures.

5. A jacking pipe intermediate deviation correcting device according to any one of claims 3 to 4, wherein: the inner wall of the base ring is provided with a first supporting seat, and the inner wall of the second ring is provided with a second supporting seat;

6. The jacking pipe intermediate deviation correcting device of claim 5, wherein: one end of the hydraulic component is connected to the first supporting seat through a rotating shaft and/or the other end of the hydraulic component is connected to the second supporting seat through a rotating shaft.

7. The jacking pipe intermediate deviation correcting device of claim 5, wherein: and a pressure sensor is arranged on the hydraulic component.

8. The jacking pipe intermediate deviation correcting device of claim 3, wherein: and a second sealing structure is arranged on the outer surface of the pushing ring.

9. The jacking pipe intermediate deviation correcting device of claim 2, wherein: the support ring further comprises a lower connecting ring, and the lower connecting ring can be sleeved on the top pipe sinking socket.

10. The jacking pipe intermediate deviation correcting device of claim 1, wherein: the support ring is formed by splicing a plurality of small support rings; the adjusting ring is formed by splicing a plurality of small adjusting rings.