CN216867700U

CN216867700U - Convenient pipe jacking device

Info

Publication number: CN216867700U
Application number: CN202220127721.9U
Authority: CN
Inventors: 王振文; 邹亚莉; 陈巧云; 黄枝兵; 齐飞飞; 张琦
Original assignee: Hubei Luyuan Construction Group Co ltd
Current assignee: Hubei Luyuan Construction Group Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-01
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to a convenient pipe jacking device, and belongs to the technical field of pipeline construction devices. The lifting mechanism comprises a bottom plate, hydraulic cylinders, supporting mechanisms and a lifting mechanism, wherein the hydraulic cylinders are arranged on the bottom plate side by side through mounting seats, the supporting mechanisms are uniformly distributed on the bottom plate on one side of the hydraulic cylinders arranged side by side, and the lifting mechanism is arranged on the ground above the supporting mechanisms. The fixed piles are arranged at the bottom of the bottom plate, so that the ground grabbing effect of the pipe jacking device is improved, and the pipe jacking device is prevented from moving under the reaction force of a pipe during pipe jacking operation; the pipe is clamped and then lifted by the left clamping hook and the right clamping hook, and under the action of the gravity of the pipe, the left clamping hook and the right clamping hook are clasped to further clamp the pipe and lift the pipe onto the arc-shaped plate, so that the working steps of pipe lifting are simplified, and the working efficiency is effectively improved; the rollers are arranged on the arc-shaped plate, so that the pipe is subjected to rolling friction in the jacking process, the friction resistance is reduced, and the mechanical efficiency of the hydraulic cylinder is improved.

Description

Convenient pipe jacking device

Technical Field

The utility model relates to a convenient pipe jacking device, and belongs to the technical field of pipeline construction devices.

Background

When pipeline burying facilities are carried out in cities, in order to reduce the influence of pipeline burying on the life of residents, a pipe-jacking construction technology is generally adopted, the pipe-jacking construction is that jacking equipment is utilized in a working pit, the friction force between a pipeline and surrounding soil is overcome, the pipeline is jacked into the soil according to a pre-designed direction, and after one section of pipe is completely jacked into the soil, the second section of pipe is jacked into the soil.

The existing pipe jacking device is used, a crane is usually used for hoisting a bound and fixed pipe into a support frame of the pipe jacking device in a working well, after hoisting is completed, the rope needs to be untied for pipe jacking operation, although the method can smoothly and stably place the pipe on the support frame, the hoisting work is complex, the pipe jacking operation efficiency is reduced, on the other hand, when the pipe is jacked into a soil layer through a hydraulic cylinder, sliding friction can be generated between the pipe and the support frame, and the friction resistance between the pipe and the support frame is large due to the rough outer surface of the pipe, so that the mechanical efficiency of the hydraulic cylinder is reduced, and the energy consumption is increased. Therefore, there is a need for improvement thereof.

Disclosure of Invention

The utility model aims to provide the convenient pipe jacking device which is simple in structure, simplifies the working steps of pipe hoisting, effectively improves the working efficiency, and solves the problems that the existing pipe jacking device is complex in hoisting work, the friction resistance between a pipe and a support frame is large, and the energy consumption is increased.

The technical scheme of the utility model is as follows:

the utility model provides a convenient pipe jacking device, it comprises bottom plate, pneumatic cylinder, supporting mechanism and hoisting machine structure, its characterized in that: the hydraulic cylinders are arranged on the bottom plate side by side through the mounting seats, the supporting mechanisms are uniformly distributed on the bottom plate on one side of the hydraulic cylinders arranged side by side, and the hoisting mechanisms are arranged on the ground above the supporting mechanisms.

The bottom of the bottom plate is fixedly provided with a fixed pile, and the end of the fixed pile is conical.

And a top plate is fixedly arranged on a hydraulic rod of the hydraulic cylinder.

And limiting rods are horizontally arranged at four corners of the top plate.

The supporting mechanism comprises two supporting plates, reinforcing plates, arc plates and rollers, wherein the top of each supporting plate is provided with a slope, the arc plates are fixedly arranged on the slopes of the two supporting plates, the rollers are uniformly distributed above the arc plates through assembling seats, and the reinforcing plates are fixedly arranged between the supporting plates below the arc plates.

Hoisting machine construct by portal frame, connecting rod, articulated arm, left centre gripping collude and right centre gripping collude and constitute, the lifting hook of portal frame passes through lifting rope and connecting rod swing joint, the bilateral symmetry of connecting rod articulates there is the articulated arm, one side of articulated arm bottom is equipped with admittedly that left centre gripping colludes, colludes the articulated arm bottom that corresponds with left centre gripping and is equipped with admittedly that right centre gripping colludes.

The utility model has the beneficial effects that:

according to the convenient pipe jacking device, the fixing pile is arranged at the bottom of the bottom plate, so that the ground grabbing effect of the pipe jacking device is improved, and the pipe jacking device is prevented from moving under the reaction force of a pipe during pipe jacking operation; the pipe is clamped and then lifted by the left clamping hook and the right clamping hook, and under the action of the gravity of the pipe, the left clamping hook and the right clamping hook are clasped to further clamp the pipe and lift the pipe onto the arc-shaped plate, so that the working steps of pipe lifting are simplified, and the working efficiency is effectively improved; the rollers are arranged on the arc-shaped plate, so that the pipe is subjected to rolling friction in the jacking operation process, the friction resistance is reduced, and the mechanical efficiency of the hydraulic cylinder is improved; the problem of current pipe jacking device can't carry out the pipe jacking operation in succession, the frictional resistance between pipe and the support frame is great, has increased the energy consumption is solved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

fig. 3 is an enlarged structural diagram at B in fig. 2.

In the figure: 1. a base plate; 2. a hydraulic cylinder; 3. a top plate; 4. a support plate; 5. an arc-shaped plate; 6. a roller; 7. fixing the pile; 8. a gantry; 9. a limiting rod; 10. a connecting rod; 11. an articulated arm; 12. a left clamping hook; 13. and a right clamping hook.

Detailed Description

This convenient push pipe device comprises bottom plate 1, pneumatic cylinder 2, supporting mechanism and hoisting machine structure, is provided with bottom plate 1 on the shaft bottom of working well, and the spud pile 7 is equipped with admittedly to the bottom of bottom plate 1, and the end of spud pile 7 is the toper, and the effect of spud pile 7 is the ground effect of grabbing that improves push pipe device, prevents at the in-process of push pipe operation that push pipe device receives the reaction force of pipe and takes place to remove in the shaft bottom, influences normal construction.

The hydraulic cylinders 2 are arranged on the bottom plate 1 side by side through the mounting seats, the top plate 3 is fixedly arranged on the hydraulic rods of the hydraulic cylinders 2 arranged side by side, the width of the top plate 3 is larger than the diameter of a pipe, the limiting rods 9 are horizontally arranged at four corners of the top plate 3, the wall of a well corresponding to the limiting rods 9 is provided with a limiting groove, when the top plate 3 at one side of the hydraulic cylinder 2 pushes the pipe to jack the soil layer of the wall of the well, the limiting rods 9 are matched and spliced with the limiting grooves on the wall of the well to prevent rework caused by overlarge offset in the pipe jacking process, the bottom plate 1 at one side of the hydraulic cylinders 2 arranged side by side is uniformly provided with a support mechanism, the support mechanism comprises two support plates 4, a reinforcing plate, an arc-shaped plates 5 and rollers 6, the top of the support plates 4 is provided with a slope surface, the arc-shaped plates 5 are fixedly arranged on the slope surfaces of the two support plates 4, the rollers 6 are uniformly arranged above the arc-shaped plates 5 through the assembly seats, the pipe is subjected to rolling friction in the jacking operation process, so that the friction resistance is reduced, and the mechanical efficiency of the hydraulic cylinder 2 is improved; a reinforcing plate is fixedly arranged between the supporting plates 4 below the arc-shaped plates 5.

The subaerial hoisting machine that is provided with of supporting mechanism top constructs, hoisting machine constructs by portal frame 8, connecting rod 10, articulated arm 11, left centre gripping colludes 12 and right centre gripping and colludes 13 and constitutes, portal frame 8's lifting hook passes through lifting rope and connecting rod 10 swing joint, the bilateral symmetry of connecting rod 10 articulates there is articulated arm 11, one side of articulated arm 11 bottom is equipped with left centre gripping colludes 12 admittedly, the articulated arm 11 bottom that corresponds with left centre gripping colludes 12 admittedly is equipped with right centre gripping colludes 13, collude 12 and right centre gripping collude 13 through left centre gripping and hang up after the pipe centre gripping, under the action of gravity of pipe, left centre gripping colludes 12 and right centre gripping colludes 13 cohesion and further presss from both sides tightly the pipe, the staff controls portal frame 8 and hangs the pipe on arc 5, the work step of pipe hoist has been simplified, effectively improve work efficiency.

When the pipe jacking device works, a worker on the bottom surface controls the portal frame 8 to move the left clamping hook 12 and the right clamping hook 13 to two sides of the middle part of a pipe firstly, positions of the left clamping hook 12 and the right clamping hook 13 are adjusted manually to clamp the pipe, then the portal frame 8 is controlled to lift the pipe from the ground, under the action of pulling (lifting) force of the portal frame 8 and gravity of the pipe, the articulated arm 11 is vertical to extend, the pulling (lifting) force of the portal frame 8 and the gravity of the pipe are converted into radial clamping force of the clamping hook on the pipe when the articulated arm 11 is vertical to extend, and the left clamping hook 12 and the right clamping hook 13 are clasped to further clamp the pipe.

The pipe which is adjusted away from the ground is hung above the arc-shaped plate 5 and continuously descends, so that two ends of the pipe are in abutting connection with the rollers 6 on the arc-shaped plate 5, a worker in a working well moves the left clamping hook 12 and the right clamping hook 13 out of two sides of the pipe, then the hydraulic cylinder 2 is started, the hydraulic rod of the hydraulic cylinder 2 pushes the top plate 3 outwards and is in abutting connection with the end head of the pipe, the pipe moves on the rollers 6 of the arc-shaped plate 5 through the thrust of the hydraulic cylinder 2 to carry out jacking operation, meanwhile, the limiting rods 9 which are horizontally arranged at four corners of the top plate 3 are matched and spliced with the limiting grooves on the well wall, the worker in the working well judges whether the jacking direction of the pipe deviates or not by observing the deviation amount of the limiting rods 9 in the limiting grooves, if the deviation amount of the limiting rods 9 and the limiting grooves is larger, the jacking direction of the pipe deviates, and if the deviation amount of the limiting rods 9 and the limiting grooves is smaller, the jacking is continued.

According to the convenient pipe jacking device, the fixing pile 7 is arranged at the bottom of the bottom plate 1, so that the ground grabbing effect of the pipe jacking device is improved, and the pipe jacking device is prevented from moving under the reaction force of a pipe during pipe jacking operation; the pipe is clamped and then lifted by the left clamping hook 12 and the right clamping hook 13, and under the action of the gravity of the pipe, the left clamping hook 12 and the right clamping hook 13 are clasped to further clamp the pipe and lift the pipe onto the arc-shaped plate 5, so that the working steps of pipe lifting are simplified, and the working efficiency is effectively improved; the rollers 6 are arranged on the arc-shaped plate 5, so that the pipe is subjected to rolling friction in the jacking operation process, the friction resistance is reduced, and the mechanical efficiency of the hydraulic cylinder 2 is improved; the problem of current pipe jacking device can't carry out the pipe jacking operation in succession, the frictional resistance between pipe and the support frame is great, has increased the energy consumption is solved.

Claims

1. The utility model provides a convenient pipe jacking device, it comprises bottom plate (1), pneumatic cylinder (2), supporting mechanism and hoisting machine structure, its characterized in that: the hydraulic cylinders (2) are arranged on the bottom plate (1) side by side through the mounting seats, the supporting mechanisms are uniformly distributed on the bottom plate (1) on one side of the hydraulic cylinders (2) arranged side by side, and the hoisting mechanisms are arranged on the ground above the supporting mechanisms.

2. A portable push bench as claimed in claim 1, wherein: the bottom of the bottom plate (1) is fixedly provided with a fixed pile (7), and the end of the fixed pile (7) is conical.

3. A portable push bench as claimed in claim 1, wherein: and a top plate (3) is fixedly arranged on a hydraulic rod of the hydraulic cylinder (2).

4. A portable push bench as claimed in claim 3, wherein: and limiting rods (9) are horizontally arranged at four corners of the top plate (3).

5. A portable push bench as claimed in claim 1, wherein: the supporting mechanism comprises two supporting plates (4), reinforcing plates, arc plates (5) and rollers (6), wherein the top of each supporting plate (4) is provided with a slope surface, the arc plates (5) are fixedly arranged on the slope surfaces of the two supporting plates (4), the rollers (6) are uniformly distributed above the arc plates (5) through assembling seats, and the reinforcing plates are fixedly arranged between the supporting plates (4) below the arc plates (5).

6. A portable push bench as claimed in claim 1, wherein: hoisting machine construct by portal frame (8), connecting rod (10), articulated arm (11), left centre gripping collude (12) and right centre gripping collude (13) and constitute, the lifting hook of portal frame (8) passes through lifting rope and connecting rod (10) swing joint, the bilateral symmetry of connecting rod (10) articulates there is articulated arm (11), one side of articulated arm (11) bottom is equipped with admittedly that left centre gripping colludes (12), articulated arm (11) bottom that corresponds with left centre gripping colludes (12) is equipped with admittedly that right centre gripping colludes (13).