CN214008274U

CN214008274U - Pipe jacking device for pipeline repair

Info

Publication number: CN214008274U
Application number: CN202023280398.9U
Authority: CN
Inventors: 陈雪华; 王和川; 崔杰平; 周丽红
Original assignee: Guangzhou Golden Earth Geotechnical Engineering Technology Co ltd
Current assignee: Guangzhou Golden Earth Geotechnical Engineering Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-20
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of pipe jacking equipment, in particular to a pipe jacking device for pipeline repair, which comprises a supporting frame, wherein a fixed frame is arranged on a fixed frame at the top of the supporting frame, an L-shaped supporting seat is clamped at the inner side of the fixed frame, adjusting mechanisms are arranged at the front end and the rear end of the fixed frame, fixing mechanisms are arranged at the two ends of each adjusting mechanism, each fixing mechanism comprises an adjusting plate fixedly connected with the outer side of one end of each adjusting mechanism, a plurality of threaded columns are inserted into the inner side of each adjusting plate along the horizontal direction at equal intervals by threads, a fixed part is arranged at the tops of the plurality of threaded columns, a conical reinforcing seat is fixedly connected at one end of each threaded column far away from the fixed part, and a driving mechanism is symmetrically arranged on the inner wall of each L-shaped supporting seat, and when being convenient for carry out the tunnelling to initial pipeline, the connection effect is better.

Description

Pipe jacking device for pipeline repair

Technical Field

The utility model relates to a pipe jacking equipment technical field especially relates to a pipe jacking device for pipeline restoration.

Background

The pipe jacking engineering technology is a non-excavation or less-excavation construction method, the acting force generated by jacking equipment is utilized to jack a pipeline into the earth according to the actual design gradient, the friction force between the pipeline and the earth is overcome, the earth is transported away, the final pipeline construction is realized, the pipe jacking construction technology is a muddy water balanced construction technology, the method refers to a method for pipe jacking work of a pipe jacking machine by keeping certain pressure of muddy water in a cutting tool cavity of the pipe jacking machine, in some urban rock strata, because of more rocks, when the pipe jacking engineering construction of the rock strata is carried out, the existing pipe jacking machine cutter head is mainly utilized to work, the rocks are constructed by a hob, the rocks are broken by utilizing the generated load, the working principle is that the load exceeding the bearing capacity of the rocks is applied on the surface of the rocks, the pipe jacking construction is carried out after the breaking, at present, when the pipe jacking is connected, the pipe jacking initially has hard rocks in a sand layer, not only can cause hobbing cutter face fracture, still can be when connecting first push pipe because do not bore and grind the rock, cause the comparatively unstable imagination of back end connection to need carry out rework repair to the pipeline junction again, and when erectting the push pipe device, need make level ground, otherwise can influence the use of push pipe device, the unstable use that erects the push pipe device and can influence the later stage, for this reason, we propose a push pipe device for pipeline restoration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the meeting of rolling the knife face among the prior art and causing the fracture to the pipe-line connection of the top pipe that influences initial jacking and back end is comparatively unstable, and the relatively poor needs of joint effect rework again, secondly, the unstable problem that erects the pipe jacking device and can influence the later stage and use, and a pipe jacking device for pipeline restoration that provides.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a pipe jacking device for pipeline repair comprises a supporting frame, wherein a fixed frame is arranged on a fixed frame at the top of the supporting frame, an L-shaped supporting seat is clamped on the inner side of the fixed frame, adjusting mechanisms are respectively arranged at the front end and the rear end of the fixed frame, fixing mechanisms are respectively arranged at the two ends of each adjusting mechanism, each fixing mechanism comprises an adjusting plate fixedly connected with the outer side of one end of each adjusting mechanism, a plurality of threaded columns are inserted into the inner sides of the adjusting plates along the horizontal direction at equal intervals in a threaded manner, fixing members are respectively arranged at the tops of the plurality of threaded columns, one ends of the plurality of threaded columns, which are far away from the fixing members, are respectively and fixedly connected with a conical reinforcing seat, driving mechanisms are symmetrically arranged on the inner walls of the L-shaped supporting seats, one ends of the driving mechanisms are fixedly connected with a pipe, the outer wall of the semicircular reinforcing seat is provided with a mounting seat, the mounting seat is cross-shaped, a mounting sleeve is clamped on the inner side of the mounting seat, a plurality of groups of drilling tools are clamped on the inner side of the mounting seat, a rotating shaft is fixedly connected with an output shaft of the motor, and one end, far away from the motor, of the rotating shaft penetrates through the outer side of the semicircular reinforcing seat and the end part of the rotating shaft is fixedly connected with the mounting sleeve.

Preferably, the adjusting mechanism comprises a bidirectional telescopic rod clamped on the inner side of one end of the support frame, and two ends of the bidirectional telescopic rod penetrate through the outer side of the support frame and are fixedly connected with the adjusting plate.

Preferably, the fixing piece comprises a fixing bolt, and the fixing bolt is inserted in the inner side of the threaded column in a threaded manner.

Preferably, the driving mechanism comprises a hydraulic cylinder, one end of the hydraulic cylinder is fixedly connected with the outer wall of the top pipe frame, and a stabilizing assembly is arranged at the bottom end of the hydraulic cylinder.

Preferably, the stabilizing assembly comprises a stabilizing seat sleeved at the bottom end of the hydraulic cylinder, and the stabilizing seat is fixedly connected to the inner wall of the L-shaped supporting seat.

Compared with the prior art, the utility model discloses following beneficial effect has: through setting up through regulating plate, two-way telescopic link, the screw thread post, according to the different structure in underground, it is more stable when making the support frame erect, cup joint in the outside of gim peg through mounting tool, drive each screw thread post, make the screw thread post avoid stratum such as rock according to underground different structure, stably seek the strong point and pile, the regulating plate at the adjustable both ends of two-way telescopic link combines with the screw thread post, erect and push pipe again after stabilizing.

The pipe-jacking frame can be convenient to tunnel through the installation seat and the drill cutter that set up semi-circular reinforcement seat and cross shape in the one end at the pipe-jacking frame, bore and grind hard rock layer, cross shape's installation seat and drill cutter can carry out initial brill and grind to the rock layer from the centre, thereby it is comparatively stable to connect the face when making originally to fill the pipeline, the firm effect of back end junction has been strengthened, thereby reduce the insecure phenomenon of each junction of pipeline, the phenomenon that the pipeline caused the damage in the early stage because of the rock layer has also been avoided.

Drawings

FIG. 1 is a schematic structural view of a pipe jacking device for repairing a pipe according to the present invention;

fig. 2 is a schematic view of another view angle structure of the pipe jacking device for repairing pipes of the present invention.

In the figure: 1. a pipe-jacking frame; 2. a hydraulic cylinder; 3. a fixed frame; 4. an adjusting plate; 5. a fixing bolt; 6. an L-shaped support seat; 7. a conical reinforcement base; 8. a bidirectional telescopic rod; 9. a support frame; 10. a threaded post; 11. a mounting seat; 12. drilling a cutter; 13. installing a sleeve; 14. a motor; 15. a rotating shaft; 16. a stabilizing base; 17. semicircular reinforcing seats.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The pipe jacking device for pipeline repair shown in figures 1-2 comprises a support frame 9, a fixed frame 3 is arranged on a fixed frame on the top of the support frame 9, an L-shaped support seat 6 is clamped on the inner side of the fixed frame 3, an adjusting mechanism is arranged at each of the front end and the rear end of the fixed frame 3, a fixing mechanism is arranged at each of the two ends of the adjusting mechanism, the fixing mechanism comprises an adjusting plate 4 fixedly connected with the outer side of one end of the adjusting mechanism, a plurality of threaded columns 10 are inserted into the inner side of the adjusting plate 4 along the horizontal direction at equal intervals in a threaded manner, a fixing member is arranged on the top of each of the plurality of threaded columns 10, a conical reinforcing seat 7 is fixedly connected to one end of each of the plurality of threaded columns 10 far away from the fixing member, a driving mechanism is symmetrically arranged on the inner wall of each of the L-shaped support seat 6, a pipe jacking frame 1 is fixedly connected with one end of the driving mechanism, a motor 14 is fixedly arranged on the inner side of the pipe frame 1, and a semicircular reinforcing seat 17 is fixedly connected to the end of the pipe frame 1, the outer wall of the semicircular reinforcing seat 17 is provided with a mounting seat 11, the mounting seat 11 is in a cross shape, and the inner side of the mounting seat 11 is clamped with a mounting sleeve 13, the inner side of the mounting seat 11 is clamped with a plurality of groups of drill cutters 12, an output shaft of the motor 14 is fixedly connected with a rotating shaft 15, one end of the rotating shaft 15, which is far away from the motor 14, penetrates through the outer side of the semicircular reinforcing seat 17, the end part of the rotating shaft is fixedly connected with the mounting sleeve 13, the supporting frame 9 is convenient for stably mounting and fixing the framework 3, the L-shaped supporting seat 6 can ensure that when the driving mechanism is used for jacking the pipe, the stability effect is enhanced, the conical reinforcing seat 7 is convenient for inserting the threaded column 10 in an underground deep layer, the motor 14 drives the pipe jacking frame 1, the semicircular reinforcing seat 17 and the multiple groups of drill cutters 12 to conduct tunneling, the cross-shaped arrangement enables the drilling surface to be smooth, the mounting seat 11 is convenient for clamping the multiple groups of drill cutters 12, and the semicircular reinforcing seat 17 can enhance the stability effect of the multiple groups of drill cutters 12 during tunneling.

Adjustment mechanism is including clamping the two-way telescopic rod 8 at support frame 9 one end inboard, and 8 both ends of two-way telescopic rod all run through the outside and the adjusting plate 4 fixed connection of support frame 9, can drive the adjusting plate 4 at both ends through two-way telescopic rod 8 and carry out the removal of whole horizontal direction to be convenient for many screw thread post 10 cartridge are inboard at comparatively firm stratum.

The fixing piece comprises a fixing bolt 5, the fixing bolt 5 is inserted into the inner side of the threaded column 10 in a threaded mode, and the threaded column 10 can be installed through the fixing bolt 5 quickly through an installation tool.

The driving mechanism comprises a hydraulic cylinder 2, one end of the hydraulic cylinder 2 is fixedly connected with the outer wall of the pipe-jacking frame 1, a stabilizing component is arranged at the bottom end of the hydraulic cylinder 2, the hydraulic cylinder 2 and the pipe-jacking frame 1 are pushed in, the drilling tool 12 can conveniently tunnel deep rocks, and meanwhile the pipeline can also be pushed in.

The stabilizing assembly comprises a stabilizing seat 16 sleeved at the bottom end of the hydraulic cylinder 2, the stabilizing seat 16 is fixedly connected to the inner wall of the L-shaped supporting seat 6, and the stabilizing seat 16 can stably support the hydraulic cylinder 2 to stably jack on the L-shaped supporting seat 6.

When the device works, a user takes out a damaged pipeline when repairing the pipeline, then the support frame 9 is erected more stably according to different underground structures through the adjusting plate 4, the two-way telescopic rod 8 and the threaded columns 10, the mounting tool is sleeved on the outer side of the fixed bolt 5 to drive each threaded column 10, so that the threaded column 10 avoids strata such as rocks according to different underground structures, a support point is stably found for piling, the adjusting plate 4 at two ends can be adjusted through the two-way telescopic rod 8 and combined with the threaded column 10, re-excavation is carried out after erection is stable, the pipe-jacking frame 1 can be conveniently excavated through the semicircular reinforcing seat 17, the cross-shaped mounting seat 11 and the cross-shaped drill cutter 12 arranged at one end of the pipe-jacking frame 1, drilling and grinding are carried out on a hard rock layer, and the cross-shaped mounting seat 11 and the cross-shaped drill cutter 12 can initially drill and grind the rock layer from the middle, thereby it is comparatively stable to connect the face when making to fill the pipeline at first, has strengthened the firm effect of back end junction to reduce the insecure phenomenon of each junction of pipeline, also avoided the pipeline to lead to the fact the phenomenon of damage because of the rock layer in the front stage.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pipe jacking device for pipeline repair comprises a support frame (9) and is characterized in that a fixed frame (3) is arranged on a fixed frame at the top of the support frame (9), an L-shaped support seat (6) is clamped on the inner side of the fixed frame (3), adjusting mechanisms are arranged at the front end and the rear end of the fixed frame (3), fixing mechanisms are arranged at two ends of each adjusting mechanism, each fixing mechanism comprises an adjusting plate (4) fixedly connected to the outer side of one end of each adjusting mechanism, a plurality of threaded columns (10) are inserted into the inner side of each adjusting plate (4) in an equidistant threaded manner along the horizontal direction, fixing parts are arranged at the tops of the plurality of threaded columns (10), a conical reinforcing seat (7) is fixedly connected to one ends, far away from the fixing parts, of the plurality of threaded columns (10), driving mechanisms are symmetrically arranged on the inner wall of the L-shaped support seat (6), and a pipe jacking frame (1) is fixedly connected to one end of each driving mechanism, the pipe jacking frame is characterized in that a motor (14) is fixedly mounted on the inner side of the pipe jacking frame (1), a semicircular reinforcing seat (17) is fixedly connected to the end portion of the pipe jacking frame (1), a mounting seat (11) is arranged on the outer wall of the semicircular reinforcing seat (17), the mounting seat (11) is in a cross shape, a mounting sleeve (13) is clamped on the inner side of the mounting seat (11), a plurality of groups of drilling tools (12) are clamped on the inner side of the mounting seat (11), a rotating shaft (15) is fixedly connected to an output shaft of the motor (14), and one end, far away from the motor (14), of the rotating shaft (15) penetrates through the outer side of the semicircular reinforcing seat (17) and the end portion of the rotating shaft and is fixedly connected with the mounting sleeve (13).

2. The pipe jacking device for repairing the pipeline as claimed in claim 1, wherein the adjusting mechanism comprises a bidirectional telescopic rod (8) clamped inside one end of the supporting frame (9), and both ends of the bidirectional telescopic rod (8) penetrate through the outside of the supporting frame (9) and are fixedly connected with the adjusting plate (4).

3. Pipe jacking device for rehabilitating pipes according to claim 1, wherein said fixing means comprise a fixing bolt (5), said fixing bolt (5) being threadedly inserted inside the threaded post (10).

4. The pipe jacking device for repairing pipes according to claim 1, wherein the driving mechanism comprises a hydraulic cylinder (2), one end of the hydraulic cylinder (2) is fixedly connected with the outer wall of the pipe jacking frame (1), and a stabilizing component is arranged at the bottom end of the hydraulic cylinder (2).

5. The pipe jacking device for repairing pipes of claim 4, wherein said stabilizing assembly comprises a stabilizing base (16) sleeved on the bottom end of the hydraulic cylinder (2), said stabilizing base (16) being fixedly connected to the inner wall of the L-shaped supporting base (6).