CN210344519U

CN210344519U - Pipe jacking device for underground pipeline construction

Info

Publication number: CN210344519U
Application number: CN201921127189.5U
Authority: CN
Inventors: 牛广窑; 从雁华
Original assignee: Hangzhou Jingsheng Environmental Engineering Co ltd
Current assignee: Hangzhou Jingsheng Environmental Technology Co.,Ltd.
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-17
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an underground pipeline construction pipe jacking device in the technical field of pipeline construction, which comprises a machine base, a pipe jacking and a tunneling pipe, wherein one end of the machine base is fixedly connected with a plurality of groups of jacks, the outer ends of the right sides of the pipe jacking and the tunneling pipe are fixedly connected with fixing rings, the inner parts of the right sides of the pipe jacking and the tunneling pipe are provided with first threads, the left side of the pipe jacking is fixedly connected with a connecting pipe, the outer side of the connecting pipe is provided with second threads matched with the first threads, the left side of the pipe jacking is fixedly connected with a sealing plate, the inner part of the right side of the tunneling pipe is provided with a motor, a driving rod is fixedly connected with a driving rod, a helical blade is fixedly connected on the driving rod, the pipe jacking device with a helical blade structure is installed in the tunneling pipe at the front end of the pipe jacking, the pipe jacking device can further reduce the working resistance, through the setting of closing plate, further improved the sealed effect of pipe connection, prevent the seepage.

Description

Pipe jacking device for underground pipeline construction

Technical Field

The utility model relates to a pipeline construction technical field specifically is an underground pipeline construction pipe jacking device.

Background

Pipe-jacking construction is a non-excavation construction method, can realize pipeline burying without excavation or with few excavation, overcomes the friction force between the pipeline and the surrounding soil by means of jacking force generated by jacking equipment in a working pit, jacks the pipeline into the soil according to the designed gradient and direction, and transports away the earthwork. After one pipe section is pushed into the soil layer, the second pipe section is pushed into the receiving pit continuously, and the principle is that by means of the thrust of the main jacking oil cylinder, the thrust of the pipe and the thrust of the relay, the tool pipe or the heading machine penetrates through the soil layer from the working pit and is pushed into the receiving pit. Through the development of many years, the pipe jacking technology has been applied to a large number of practical projects, the high-speed growth momentum is kept, and great progress is made in the technology, pipe jacking equipment and construction process; the pipe jacking machine set device is important equipment for pipe jacking construction, comprises a hydraulic oil cylinder, a hydraulic pump station, a supporting plate, a push rod, a pull head and the like, and can greatly save manpower when the pipe jacking device is used for pipe jacking construction.

The trenchless engineering technology thoroughly solves the problems of damage to urban buildings, road traffic blockage and the like in pipeline embedding construction, and has obvious advantages in soil stabilization and environmental protection. This is very important for cities with heavy traffic, dense population, numerous ground buildings and complex underground pipelines, which will create a clean, comfortable and beautiful environment for the cities. The technical point of the method is to correct the deviation of the underground extension of the pipe. Is particularly suitable for trenchless laying of large and medium pipe diameters. Has the comprehensive functions of economy, high efficiency and environmental protection. The advantages of this technique are: the ground is not excavated; the floor building is not detached and damaged; the environment is not damaged; the segment difference deformation of the pipeline is not influenced; time saving, high efficiency, safety and low comprehensive cost.

At the push pipe in-process, there is the friction in the pipeline and the soil body on every side when promoting, causes the soil body to remove and leads to ground subside to produce the gap between the messenger push pipe, cause the appearance of seepage condition, the sealed effect of traditional push pipe that prevents the seepage is poor, and lacks the structural support of steadiness, leads to the body seepage, causes the pollution.

Based on this, the utility model designs an underground pipe construction pipe jacking device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an underground pipe construction pipe jacking device to there is the friction with the soil body on every side when advancing in the pipeline that provides in solving above-mentioned background art, causes the soil body to remove and leads to ground subside, thereby makes to produce the gap between the push pipe, causes the appearance of the seepage condition, and the traditional push pipe that prevents the seepage seals the effect poor, and lacks the structural support of steadiness, leads to the body seepage, causes the problem of pollution.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an underground pipeline construction pipe jacking device, includes frame, push pipe and tunnelling pipe, frame one end fixedly connected with multiunit jack, push pipe and the equal fixedly connected with solid fixed ring in tunnelling pipe right side outer end, gu set up multiunit evenly distributed's through-hole on the fixed ring, push pipe and the inside first screw thread that is equipped with in tunnelling pipe right side, push pipe left side fixedly connected with connecting pipe, the connecting pipe outside is equipped with the second screw thread that mutually supports with first screw thread, push pipe left side fixedly connected with closing plate, the inside motor that is equipped with in tunnelling pipe right side, the motor outside is equipped with waterproof housing, the lower extreme all is through the inside fixed connection of dead lever and tunnelling pipe upper and lower extreme on the waterproof housing, motor power shaft end fixedly connected with actuating lever, fixedly connected with helical blade.

Preferably, the front end of the jack is fixedly connected with an installation rod, the installation rod is inserted into the through hole, and the front end of the installation rod is in threaded connection with a limit nut.

Preferably, the outer diameter of the connecting pipe is equal to the inner diameter of the top pipe and the digging pipe.

Preferably, the sealing plate is provided with a threaded hole matched with the through hole, and the sealing plate and the fixing ring are connected with each other through a fixing bolt.

Preferably, the front end of the digging pipe is of a conical structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install helical blade structure's row mud device in the pipe of digging into of push pipe front end to can make the push pipe device at the in-process of work through the toper structure, further alleviate the working resistance, make the push pipe work go on more high-efficiently, and the length that can tunnel selects the push pipe of suitable group number, convenient in time regulation, it is further, through the setting of closing plate, when push pipe and push pipe, push pipe and tunnelling union coupling, further improved sealed effect between the two, prevent the seepage.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the pipe jacking and tunneling structure shown in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the inner structure of the excavation pipe of fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-machine base, 2-top pipe, 3-digging pipe, 4-jack, 5-fixing ring, 6-through hole, 7-first thread, 8-connecting pipe, 9-second thread, 10-sealing plate, 11-motor, 12-waterproof shell, 13-fixing rod, 14-driving rod, 15-helical blade, 16-threaded hole, 17-fixing bolt and 18-conical structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pipe jacking device for underground pipeline construction comprises a machine base 1, a pipe jacking 2 and a digging pipe 3, wherein one end of the machine base 1 is fixedly connected with a plurality of groups of jacks 4, the outer ends of the right sides of the pipe jacking 2 and the digging pipe 3 are fixedly connected with fixing rings 5, the fixing rings 5 are provided with a plurality of groups of through holes 6 which are uniformly distributed, first threads 7 are arranged inside the right sides of the pipe jacking 2 and the digging pipe 3, the left side of the pipe jacking 2 is fixedly connected with a connecting pipe 8, the outer side of the connecting pipe 8 is provided with second threads 9 which are matched with the first threads 7, the left side of the pipe jacking 2 is fixedly connected with a sealing plate 10, the inside of the right side of the digging pipe 3 is provided with a motor 11, the outer side of the motor 11 is provided with a waterproof shell 12, the upper end and the lower end of the waterproof shell 12 are fixedly connected with, a helical blade 15 is fixedly connected to the driving rod 14.

Wherein, jack 4 front end fixedly connected with installation pole, the installation pole is pegged graft in through-hole 6, and installation pole front end threaded connection has stop nut, and the back is pegged graft in solid fixed ring 5's through-hole 6 to the mounting hole of jack 4 front end, is being connected stop nut and installation pole, makes fixed connection between jack 4 and the push pipe 2. The outer diameter of the connecting pipe 8 is equal to the inner diameters of the top pipe 2 and the tunneling pipe 3, the connecting pipe 8 can enter the inner end of the right side of the top pipe 2 or the tunneling pipe 3 through the mutual matching of the first thread 7 and the second thread 9, and the connecting effect is better. Threaded holes 16 matched with the through holes 6 are formed in the sealing plate 10, the sealing plate 10 and the fixing ring 5 are connected with each other through fixing bolts 17, and the sealing plate 10 and the fixing ring 5 can be connected with each other through the sealing plate 10, so that the push pipe 2 and the push pipe 2 are connected with each other, and the push pipe 2 and the stop 3 are connected with each other stably. The front end of the digging pipe 3 is a conical structure 18, the conical structure 18 is convenient for digging a soil layer, and the resistance applied in the digging process is reduced.

One specific application of this embodiment is: during construction, firstly, a guide hole is drilled in a muddy soil layer, then the excavation pipe 3 is guided in the guide hole of a construction well, meanwhile, the rear end of the excavation pipe 3 is advanced through a fixing bolt 17, the first thread 7 and the second thread 9 are matched with each other, the jacking pipe 2 is connected in the excavation pipe 3, meanwhile, the rear end of the jacking pipe 2 is connected with the jack 4, the jack 4 is started, the jacking pipe 2 drives the excavation pipe 3 to move towards the inside of the muddy soil layer, the front end of the jack 4 can be separated from the jacking pipe 2 in the moving process, the other group of jacking pipes 2 is installed at the rear end of the jacking pipe 2, excavation is continued, further, a motor in the excavation pipe 3 can be started, the driving rod 14 and the spiral blade 15 are driven to rotate, soil is ground and dispersed, further, water can be continuously injected into the excavation pipe 3 through a water pipe, so that the soil and the water are mixed to form slurry, the slurry is convenient to discharge, and excavation is stopped when the excavation pipe 3 is excavated to a receiving well, the pipe jacking operation can be completed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an underground pipeline construction pipe jacking device, includes frame (1), push pipe (2) and tunnelling pipe (3), its characterized in that: one end of the machine base (1) is fixedly connected with a plurality of groups of jacks (4), the outer ends of the right sides of the top pipe (2) and the tunneling pipe (3) are fixedly connected with fixing rings (5), the fixing rings (5) are provided with a plurality of groups of uniformly distributed through holes (6), the inner parts of the right sides of the top pipe (2) and the tunneling pipe (3) are provided with first threads (7), the left side of the top pipe (2) is fixedly connected with a connecting pipe (8), the outer side of the connecting pipe (8) is provided with second threads (9) which are matched with the first threads (7), the left side of the top pipe (2) is fixedly connected with a sealing plate (10), the inner part of the right side of the tunneling pipe (3) is provided with a motor (11), the outer side of the motor (11) is provided with a waterproof shell (12), the upper end and the lower end of the waterproof shell (, the motor (11) power shaft end fixedly connected with actuating lever (14), fixedly connected with helical blade (15) on actuating lever (14).

2. The pipe jacking device for underground pipe construction of claim 1, wherein: the front end of the jack (4) is fixedly connected with an installation rod, the installation rod is inserted into the through hole (6), and the front end of the installation rod is in threaded connection with a limiting nut.

3. The pipe jacking device for underground pipe construction of claim 1, wherein: the outer diameter of the connecting pipe (8) is equal to the inner diameters of the top pipe (2) and the tunneling pipe (3).

4. The pipe jacking device for underground pipe construction of claim 1, wherein: threaded holes (16) matched with the through holes (6) are formed in the sealing plate (10), and the sealing plate (10) and the fixing ring (5) are connected with each other through fixing bolts (17).

5. The pipe jacking device for underground pipe construction of claim 1, wherein: the front end of the digging pipe (3) is a conical structure (18).