CN216813130U

CN216813130U - Push bench for laying underground pipeline

Info

Publication number: CN216813130U
Application number: CN202122575337.3U
Authority: CN
Inventors: 施发杰; 左涛生; 刘延涛; 高习航; 周荣
Original assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Current assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-06-24
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a pipe jacking machine for laying underground pipelines, which comprises a machine body, a pipe jacking mechanism and an aligning mechanism, wherein a plurality of cylinder grooves are formed in the machine body, the pipe jacking mechanism and the aligning mechanism are both arranged on the machine body, the pipe jacking mechanism is arranged outside the aligning mechanism and used for pushing pipelines, the aligning mechanism enables the pipelines to be concentrically aligned when the pipelines are butted, the pipe jacking mechanism comprises a pipe jacking assembly, and the pipe jacking assembly comprises a pipe jacking pipe frame, a worm gear, a worm, a servo motor and a pipe jacking body. The utility model is scientific and reasonable, compared with the alignment mode of an electronic device, the alignment of the pipeline by a pure mechanical mechanism has no electronic error, stable and reliable work, no additional adjusting equipment is needed, the push pipe mechanism can adjust the working range of the push pipe machine, pushes pipes with different diameters, and saves equipment resources.

Description

Push bench for underground pipeline laying

Technical Field

The utility model relates to the technical field of pipeline laying, in particular to a push bench for laying an underground pipeline.

Background

As the urban construction is more and more rapid, the pipeline laying by open excavation on the ground can damage the built building, therefore, the pipeline laying becomes a project which needs to be constructed underground, a pipe jacking machine is the most commonly used machine in the underground pipeline laying, however, the pipe jacking machine has a plurality of problems in the using process, such as the fact that the pipeline needs to be aligned by a manual pipe jacking before pushing, errors are easily formed, the resistance is increased when the pipeline is pushed, and the resistance caused by deviation is increased along with the longer the pipeline is laid, and the pipeline in the middle is raised or crushed.

Therefore, there is a need for a push bench for underground pipe laying that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a push bench for laying an underground pipeline, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme:

a push bench for laying underground pipelines comprises a machine body, a push bench mechanism and an aligning mechanism, wherein the push bench mechanism and the aligning mechanism are installed on the machine body, the push bench mechanism is arranged outside the aligning mechanism, the push bench mechanism pushes pipelines, and the aligning mechanism enables two pipelines to keep concentric alignment when in butt joint.

Further, the centering mechanism comprises a centering hydraulic cylinder and a centering head, one end of the centering head is connected with a piston rod of the centering hydraulic cylinder, a plurality of cylinder grooves are formed in the machine body, the centering hydraulic cylinder is installed in the cylinder grooves in the middle of the machine body, at least two grooves and every groove are formed in the centering head, a group of strut mechanisms are arranged in each groove, mechanical structures are aligned to be compared with electronic devices, electronic errors do not exist in the mechanical structures, extra adjusting mechanisms are not needed, the centering mechanism is stable in performance and reliable in operation, and the situation that pipelines are raised or inclined in the construction process is avoided.

Furthermore, the support mechanism comprises a small hydraulic cylinder and a support frame, the lower part of the support frame is connected with a piston rod of the small hydraulic cylinder, a roller is arranged above the support frame, the small hydraulic cylinder is fixed in a groove of the centering head, the support frame on the centering head is contacted with the pipeline through the roller to correct deviation, so that the two sections of pipelines are concentric, and the roller is arranged on the support frame, so that the support frame can push the pipeline after being contacted and aligned with the pipeline, and the sliding friction between the pipeline and the support frame is changed into rolling friction;

the three groups of support frame devices are uniformly arranged on the centering head, the force output by each support frame to the pipeline is the same, and the geometric centers of the two sections of pipelines are aligned to play a centering role.

Furthermore, the pipe jacking mechanism comprises at least two long hydraulic cylinders and a pipe jacking assembly, the pipe jacking assembly is connected with a piston rod of each long hydraulic cylinder, the long hydraulic cylinders are installed in cylinder grooves of the machine body and are positioned outside the centering hydraulic cylinders, and the pipe jacking mechanism carries out jacking on two sections of concentrically aligned pipelines.

Further, the pipe jacking assembly comprises a pipe jacking frame and at least two pipe jacking bodies, a servo motor is installed on the pipe jacking frame, a plurality of sliding grooves are formed in the pipe jacking frame, the pipe jacking bodies are in sliding connection with the pipe jacking frame and a worm wheel, empty grooves are formed in the worm wheel, pins are arranged on the pipe jacking bodies, a worm is connected to a servo motor shaft in a manner that the pins slide in the empty grooves, the worm wheel is installed in the pipe jacking frame, and the worm wheel and the worm are in matched transmission;

the pipe jacking assembly is annular, and the pipe jacking body slides along the radial direction of the pipe jacking frame, so that the pipe jacking body is adjusted to a position which is consistent with the diameter of the pipeline, and the pipes with different diameters can be pushed, thereby being convenient to use and saving equipment resources.

Compared with the prior art, the utility model has the following beneficial effects:

1. adopt mechanical structure to carry out the mode of concentric alignment to two pipelines, compare with the mode that electron device aligns, mechanical structure does not have electronic error, also need not to add and establishes extra adjustment mechanism, and mechanical alignment mode stable performance, reliable operation practices thrift equipment, plays the effect of avoiding the pipeline to appear uplift or incline in the work progress.

2. The rollers are arranged on the brackets, so that the pipe jacking mechanism can push the pipes after the two pipes are aligned, the sliding friction between the pipes and the brackets is changed into rolling friction, the three groups of bracket devices are uniformly distributed and arranged on the centering head, the force output by each bracket to the pipes is the same, the geometric centers of the two sections of pipes are aligned, and the automatic centering effect is achieved.

3. The pipe jacking body on the pipe jacking assembly slides along the radial direction of the pipe jacking frame, the pipe jacking body is adjusted in advance according to the diameter of the pipeline, so that the position of the pipe jacking body is consistent with the diameter of the pipeline, the pipes with different sizes are pushed, the use is convenient, and equipment resources are saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an overall isometric view of a push bench for underground pipe laying according to the present invention;

FIG. 2 is an internal structural view of a push bench for underground pipe laying according to the present invention;

FIG. 3 is a cross-sectional view of a push bench for underground pipe laying according to the present invention;

FIG. 4 is a view of a push bench corbelling mechanism for underground pipe laying according to the present invention;

FIG. 5 is a structural diagram of a pipe jacking assembly of a pipe jacking machine for underground pipe laying according to the present invention;

FIG. 6 is a top tube rack view of a tube push bench for underground pipe laying according to the present invention;

FIG. 7 is a top view of a push bench for underground pipe laying according to the present invention;

FIG. 8 is a worm gear view of a push bench for underground pipe laying according to the present invention;

in the figure: 1. a body; 2. a centering hydraulic cylinder; 3. aligning the heart heads; 4. a long hydraulic cylinder; 5. a pipe support is pushed; 6. a worm gear; 7. a worm; 8. a servo motor; 9. a top pipe body; 10. a small hydraulic cylinder; 11. a support frame; 12. a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides the following technical solutions: including fuselage 1, push pipe mechanism, centering mechanism, push pipe mechanism and centering mechanism install on fuselage 1, and push pipe mechanism sets up outside centering mechanism, and push pipe mechanism impels the pipeline, and centering mechanism makes two pipeline align with one another when butt jointing.

The centering mechanism comprises a centering hydraulic cylinder 2 and a centering head 3, one end of the centering head 3 is connected with a piston rod of the centering hydraulic cylinder 2, a plurality of cylinder grooves are formed in the machine body 1, the centering hydraulic cylinder 2 is installed in the cylinder groove in the middle of the machine body 1, three grooves are formed in the centering head 3, a group of support mechanisms are arranged in each groove, each support mechanism comprises a small hydraulic cylinder 10 and a support 11, the lower portion of each support 11 is connected with the piston rod of the small hydraulic cylinder 10, a roller 12 is installed above each support 11, the small hydraulic cylinders 10 are fixed in the grooves of the centering head 3, the centering mode of the pure mechanical structure is stable and reliable, the rollers 12 convert sliding friction between the support 11 and a pipeline into rolling friction, and the pipeline is more beneficial to the pipeline.

Push pipe mechanism is including being no less than two long pneumatic cylinders 4, the push pipe subassembly is connected with the piston rod of every long pneumatic cylinder 4, long pneumatic cylinder 4 is installed at the cylinder inslot of fuselage 1, long pneumatic cylinder 4 is located outside 2 to the pneumatic cylinder, the push pipe subassembly includes push pipe support 5, be no less than two push pipe bodies 9, install servo motor 8 on the push pipe support 5, several spout has been seted up on the push pipe support 5, push pipe body 9 and push pipe support 5 sliding connection, servo motor 8 hub connection has worm 7, install worm wheel 6 in the push pipe support 5, worm wheel 6 and the cooperation transmission of worm 7, the dead slot has been seted up on the worm wheel 6, be equipped with the pin on the push pipe body 9, the pin slides in the dead slot, the push pipe subassembly has enlarged the push pipe scope of push pipe machine, through the position of adjusting push pipe body 9, realize pushing away to the pipeline of different pipe diameters, the saving equipment resource.

The working principle of the utility model is as follows:

in the working process of the pipe jacking machine, a new section of pipeline needs to be pushed, the new pipeline is arranged behind the pushed pipeline, the centering mechanism firstly extends out, the centering head 3 extends to the joint of the two sections of pipelines to stop, the small hydraulic cylinder 10 extends out of the support frame 11, the inner wall of the pipeline is tightly supported through the rollers 12 on the support frame 11, each support frame 11 is provided with two groups of rollers 12, the roller 12 at the front end supports the pipeline which is pushed into the stratum, and the roller 12 at the rear end supports the new section of pipeline;

oil inlets of the three small hydraulic cylinders 10 are communicated, so that the force output outwards by each support frame 11 is the same, after a roller 12 at the front end of each support frame 11 tightly supports the inner wall of a pipeline pushed into the stratum, the geometric center of the pipeline in the stratum is overlapped with the geometric center of the centering head 3, the roller 12 at the rear end of each support frame 11 simultaneously tightly supports the inner wall of a new section of pipeline, and the geometric center of the new section of pipeline is overlapped with the geometric center of the centering head 3, so that the geometric center of the pipeline in the stratum is overlapped with the geometric center of the new section of pipeline, and concentric alignment is realized;

after the completion of the alignment work, the servo motor 8 drives the worm 7 to rotate, the worm 7 drives the worm wheel 6 to rotate, the pin of the jacking pipe body 9 is stirred by the groove on the worm wheel 6, the jacking pipe body 9 is pushed to slide on the jacking pipe frame 5, the position adjustment of the jacking pipe body 9 is made to be the same as the diameter of the pipeline, the long hydraulic cylinder 4 pushes the jacking pipe assembly to push a new section of pipeline into a soil layer, the pipeline is pushed into the soil layer under the support of the roller 12, after the jacking pipe is finished, the centering mechanism and the jacking pipe mechanism are withdrawn in sequence, the circulation is reciprocating, and the function of automatically aligning the jacking pipe of the pipeline is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a push bench for underground piping is laid which characterized in that: the pipe jacking device comprises a machine body (1), a pipe jacking mechanism and an aligning mechanism, wherein the pipe jacking mechanism and the aligning mechanism are installed on the machine body (1), the pipe jacking mechanism is arranged outside the aligning mechanism, the pipe jacking mechanism pushes a pipeline, and the aligning mechanism enables two pipelines to be aligned concentrically when in butt joint.

2. A push bench for underground pipe laying according to claim 1, characterized in that: a plurality of cylinder grooves are formed in the machine body (1); the centering mechanism comprises a centering hydraulic cylinder (2) and a centering head (3), the centering hydraulic cylinder (2) is installed in a cylinder groove in the middle of the machine body (1), one end of the centering head (3) is connected with a piston rod of the centering hydraulic cylinder (2), at least two grooves are formed in the centering head (3), and each groove is internally provided with a group of support mechanisms.

3. A push bench for underground pipe laying according to claim 2, characterized in that: the support mechanism comprises a small hydraulic cylinder (10) and a support frame (11), the lower portion of the support frame (11) is connected with a piston rod of the small hydraulic cylinder (10), a roller (12) is installed above the support frame (11), and the small hydraulic cylinder (10) is fixed in the groove.

4. The pipe jacking machine for underground pipe laying as claimed in claim 1, wherein: the pipe jacking mechanism comprises at least two long hydraulic cylinders (4) and a pipe jacking assembly, the pipe jacking assembly is connected with a piston rod of each long hydraulic cylinder (4), the long hydraulic cylinders (4) are installed in a cylinder groove of the machine body (1), and the long hydraulic cylinders (4) are located outside the centering hydraulic cylinders (2).

5. A push bench for underground pipe laying according to claim 4, characterized in that: the pipe jacking assembly comprises a pipe jacking frame (5), at least two pipe jacking bodies (9), a plurality of sliding grooves are formed in the pipe jacking frame (5), the pipe jacking bodies (9) are connected with the pipe jacking frame (5) and a worm wheel (6) in a sliding mode, empty grooves are formed in the worm wheel (6), pins are arranged on the pipe jacking bodies (9), and the pins slide in the empty grooves.

6. A push bench for underground pipe laying according to claim 5, characterized in that: install servo motor (8) on pipe support (5), servo motor (8) hub connection has worm (7), install worm wheel (6) in pipe support (5), worm wheel (6) and worm (7) cooperation transmission.