CN218991595U

CN218991595U - Pipeline shield organism with plain end face blade disc

Info

Publication number: CN218991595U
Application number: CN202221569598.2U
Authority: CN
Inventors: 亚春国
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-05-09
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to the technical field of engineering machinery, and particularly discloses a pipeline shield machine body with a flat-end-face cutter disc, wherein a front barrel body, a rear barrel body, a pipeline and a pipe jacking cylinder are arranged in the inner cavities of the front barrel body, the rear barrel body and the pipeline, a front conveying belt and a rear conveying belt for conveying dregs are arranged in the inner cavities of the front barrel body, a tunneling motor is fixed on the back of a round partition plate, the back of the round partition plate is fixed near the front end, a driving main shaft in transmission connection with the power output end of the tunneling motor penetrates through the center of the round partition plate, a cutter disc assembly comprises a central column body fixedly sleeved at the front end of the driving main shaft, an annular plate body rotatably sleeved at the front end of the inner cavity of the front barrel body and cutter arms uniformly fixedly connected with the periphery of the front end of the central column in the circumferential direction, digging cutter heads are arranged at the edges of the cutter arms, feeding plates uniformly connected with the back of the annular plate bodies extend radially respectively, and the feeding plates are positioned at the periphery of the front end of the front conveying belt; the problem that the ground is easy to collapse when a pipeline shield is used for constructing a soft stratum is solved.

Description

Pipeline shield organism with plain end face blade disc

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a pipeline shield machine body with a flat end face cutter head.

Background

Along with the progress of national modernization, urban construction steps are faster and faster, various municipal pipelines are crisscrossed, layered and densely distributed underground, municipal buildings on the ground are more and more, road quality is deteriorated due to excavation construction, and construction cost is higher and higher. In order to solve the contradiction between the existing municipal facilities and construction, a new construction technology-non-excavation technology is created. The non-excavation technology is to lay, repair and replace pipelines by using the rock-soil drilling technology under the condition of not excavating or only excavating a small number of operation pits, has the advantages of high efficiency, high quality, moderate cost, environment friendliness, no influence on traffic, no environmental pollution and the like, and has a shorter construction period, low comprehensive cost and good safety compared with the excavation method in many cases. The method is widely applied to laying pipelines such as coal gas, electric power, telecommunication, cable television lines, petroleum, natural gas, heat and drainage under the condition that the pipelines cannot be excavated or can not be excavated in downtown areas, ancient site protection areas, crops, vegetation protection areas and the like. Among them, a small-sized shield machine (abbreviated as a pipeline shield) for pipeline construction is widely used.

However, when the traditional pipeline shield is used for construction of soft underground pipeline engineering such as sand, the ground collapse is easily formed above the vicinity of the excavation surface, and great potential safety hazards are caused to pedestrians and vehicles.

Disclosure of Invention

The utility model designs a pipeline shield machine body with a flat end face cutter head, aiming at solving the problem that the pipeline shield in the prior art is easy to cause the formation of subsidence of the ground during the construction of soft stratum.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipeline shield organism with flush end face blade disc, includes preceding barrel, back barrel, pipeline that connects gradually and is used for the top tube hydro-cylinder of pushing the pipeline, the front end of preceding barrel is provided with the blade disc subassembly, the inner chamber of preceding barrel, back barrel, pipeline is provided with front portion conveyer belt and the rear portion conveyer belt that is used for carrying dregs, the front end position fixedly connected with circular baffle that is close to of preceding barrel inner chamber, the circular baffle back is fixed with the tunneling motor, the power take off end transmission of tunneling motor is connected with the drive spindle, the drive spindle run through in the center of circular baffle, the blade disc subassembly including fixed cup joint in the center cylinder of drive spindle front end, rotate cup joint in the annular plate body of preceding barrel inner chamber front end and along circumference evenly fixed connection in center cylinder front end periphery and respectively along radially extending's tool arm, the outer end fixed connection of tool arm in the inner edge of annular plate body can dismantle fixed mounting and have the excavation tool bit, the back of annular plate body is followed circumference evenly connected with a plurality of upper plates, the annular plate is located the radial front end of conveyer belt, the annular plate is located the front end is located.

Preferably, the middle part of the front end surface of the central cylinder is vertically and fixedly connected with a central cutter head.

Preferably, a telescopic sleeve is connected between the front end of the pipeline and the rear end of the rear barrel, the telescopic sleeve comprises an inner sliding barrel, a front end of which is fixedly connected with the front end of the pipeline, an outer sliding barrel and a telescopic cylinder, the outer sliding barrel and the telescopic cylinder are fixedly connected with the rear end of the rear barrel and are sleeved on the outer sliding barrel, the rear end of the telescopic cylinder fixing part is connected with the rear end of the inner wall of the inner sliding barrel, and the front end of the telescopic cylinder telescopic part is connected with the front end of the inner wall of the outer sliding barrel.

Preferably, the top, the bottom and the left and right sides of the inner wall of the front end of the rear cylinder are respectively and fixedly connected with a correction oil cylinder, and the front end of the telescopic part of the correction oil cylinder is rotationally connected with an ear seat at a corresponding position of the rear end of the inner wall of the front cylinder.

Preferably, the number of the telescopic cylinders is at least two, and the telescopic cylinders are distributed in an annular array mode by taking the central axes of the inner sliding cylinder body and the outer sliding cylinder body as the center.

Preferably, a lifting hopper for lifting the dregs is arranged at the rear side of the pipeline, and a belt conveyor extending along an inclined direction is arranged between the top opening of the lifting hopper and the discharging end of the rear conveyor belt.

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

in the construction process, the pipe shield body disclosed by the utility model always keeps the close fit between the cylinder body and surrounding soil, and the suspension distance of the tunneling surface is short, so that the cavitation phenomenon is avoided, the compaction and stability of the soil below the ground are maintained, and the potential safety hazard is greatly reduced. The method can be widely applied to urban rail transit, construction of rain and sewage diversion pipelines, construction of underground space such as underground comprehensive pipe galleries, underground roads, underground parking lots, underground power stations and the like, road crossing, railway tunnel engineering construction, river crossing tunnel engineering, diversion tunnel engineering and military protection engineering.

Drawings

FIG. 1 is a schematic side view of the overall structure of the present utility model;

fig. 2 is a schematic front view of a cutterhead assembly of the present utility model.

In the figure: 1-a pipe jacking oil cylinder;

2-piping;

3-telescoping sleeves; 301-an outer slide cylinder; 302-an inner slide cylinder; 303-a telescopic oil cylinder;

4-a rear cylinder;

5-a front cylinder; 501-a circular partition;

6, a correction oil cylinder;

7-a cutter head assembly; 701-an annular plate body; 702-a cutter arm; 703-a central column; 704-excavating bit; 705-center cutter head; 706-a loading plate;

8-a tunneling motor; 801-drive spindle;

9-front conveyor belt;

10-rear conveyor belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the utility model provides a technical scheme, a pipeline shield body with a flat-end-face cutter head, which comprises a front barrel 5, a rear barrel 4, a pipeline 2 and a pipe jacking cylinder 1 for pushing the pipeline 2, wherein the front end of the front barrel 5 is provided with a cutter head assembly 7, the front barrel 5, the rear barrel 4 and an inner cavity of the pipeline 2 are provided with a front conveying belt 9 and a rear conveying belt 10 for conveying dregs, a circular partition plate 501 is fixedly connected to the position, close to the front end, of the inner cavity of the front barrel 5, a tunneling motor 8 is fixedly arranged on the back surface of the circular partition plate 501, a driving spindle 801 is connected to the power output end of the tunneling motor 8 in a transmission manner, the driving spindle 801 penetrates through the center of the circular partition plate 501, the cutter head assembly 7 comprises a central cylinder 703 fixedly sleeved on the front end of the driving spindle 801, annular plate 701 rotatably sleeved on the front end of the inner cavity of the front barrel 5, cutter arms 702 uniformly fixedly connected to the periphery of the central cylinder 703 in the circumferential direction and respectively extending in the radial direction, the outer ends of the cutter arms 702 are fixedly connected to the inner edges of the annular plate 701, the edges of the annular plate body 702 are detachably fixedly connected to the annular plate 706, the edges of the annular plate body is fixedly arranged at the edges of the cutter arms 702, the edges are fixedly connected to the annular plate 706, and the front edges of the annular plate 706 are uniformly arranged along the periphery and the front edges and are fixedly connected to the annular plate 706, and the front edges of the annular plate 706 and are fixedly connected to the annular plate bodies.

In this embodiment, a central cutter head 705 is vertically and fixedly connected to the middle part of the front end surface of the central column 703, and the central cutter head 705 may be an isosceles triangle plate structure or other plate structures with the bottom edge connected to the front end surface of the central column 703, or a cutter head structure similar to the excavating cutter head 704.

In this embodiment, a telescopic sleeve 3 is connected between the front end of the pipe 2 and the rear end of the rear cylinder 4, the telescopic sleeve 3 includes an inner slide cylinder 302 with the rear end fixedly connected with the front end of the pipe 2, an outer slide cylinder 301 with the front end fixedly connected with the rear end of the rear cylinder 4 and slidingly sleeved outside the inner slide cylinder 302, and a telescopic cylinder 303, wherein the rear end of the fixed part of the telescopic cylinder 303 is connected to the rear end of the inner wall of the inner slide cylinder 302, and the front end of the telescopic part of the telescopic cylinder 303 is connected to the front end of the inner wall of the outer slide cylinder 301.

In this embodiment, the top, bottom and left and right sides of the inner wall of the front end of the rear cylinder 4 are respectively and fixedly connected with a correction cylinder 6, and the front end of the telescopic part of the correction cylinder 6 is rotationally connected with an ear seat at a corresponding position of the rear end of the inner wall of the front cylinder 5.

In this embodiment, there are at least two telescopic cylinders 303, and the telescopic cylinders 303 are distributed in an annular array with the central axes of the inner cylinder 302 and the outer cylinder 301 as the center.

In this embodiment, the rear side of the pipe 2 is provided with a hopper for lifting the slag, and a belt conveyor extending in an inclined direction is provided between the top end opening of the hopper and the discharge end of the rear conveyor 10.

Working principle: during construction, the tunneling motor 8 drives the central column 703 to rotate through the driving main shaft 801 so as to realize the integral rotation of the cutterhead assembly 7; the center cutter head 705 is used for positioning and drilling soil; the excavating tool bit 704 cuts soil body of the excavated surface; the cut soil body enters a space in front of the circular partition plate 501 in the inner cavity of the front cylinder body 5 from the position between the cutter arms 702, the loading plate 706 turns over the residue soil at the bottom of the space, the turned-over residue soil falls on the front end of the front conveying belt 9, the front conveying belt 9 continuously conveys and unloads the residue soil to the front end of the rear conveying belt 10, the rear conveying belt 10 conveys the residue soil backwards, and finally the residue soil is conveyed into a lifting hopper by a belt conveyor extending in an inclined direction in a working well and is lifted and discharged by a lifting device;

during excavation, the telescopic cylinder 303 is extended, so that the outer slide cylinder 301, the rear cylinder 4, the front cylinder 5 and the cutter head assembly 7 are integrally moved forward to realize footage; after one cycle of footage, the telescopic cylinder 303 is retracted, and meanwhile, the jacking cylinder 1 is extended, so that the inner sliding cylinder 302 moves forwards along with the pipeline 2 connected with the rear end of the inner sliding cylinder 302; after the telescopic oil cylinder 303 is completely contracted, the pipe jacking oil cylinder 1 is retracted, and a pipe 2 is additionally arranged between the front end of the pipe jacking oil cylinder 1 and the rear end of the last pipe 2, so that the tunneling of a pipe tunnel and the laying and installation of the pipe 2 are realized; in addition, the rear conveyor belt 10 is extended at the same time when the pipe 2 is added.

In the tunneling process, if deviation occurs in tunneling of the cutterhead assembly 7, corresponding contraction or extension can be performed by the corresponding deviation correcting oil cylinders 6 so as to complete the tunneling deviation correcting process.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline shield organism with plane end face blade disc, includes preceding barrel (5), back barrel (4), pipeline (2) and is used for the top tube hydro-cylinder (1) of pushing that connect gradually pipeline (2), the front end of preceding barrel (5) is provided with blade disc subassembly (7), the inner chamber of preceding barrel (5), back barrel (4), pipeline (2) is provided with anterior conveyer belt (9) and rear portion conveyer belt (10) that are used for carrying dregs, its characterized in that: the utility model provides a conveyer belt, including preceding barrel (5) inner chamber, be close to front end position fixedly connected with circular baffle (501), circular baffle (501) back is fixed with tunneling motor (8), the power take off end transmission of tunneling motor (8) is connected with drive spindle (801), drive spindle (801) run through in the center of circular baffle (501), blade disc subassembly (7) including fixed cup joint in center cylinder (703) of drive spindle (801) front end, rotate cup joint in annular plate body (701) of preceding barrel (5) inner chamber front end and along circumference evenly fixed connection in center cylinder (703) front end periphery and respectively along radially extending's tool arm (702), the outer end fixedly connected with of tool arm (702) in the inner edge of annular plate body (701), the detachable fixed mounting of tool arm (702) edge have excavation tool bit (704), the back of annular plate body (701) evenly fixedly connected with a plurality of material loading boards (706) along circumference, material loading board (706) respectively along annular plate body (701) the radial extension in preceding portion (706) of taking place in preceding portion (9) of running through of conveyer belt.

2. A pipe shield body with a flat-faced cutterhead as claimed in claim 1, wherein: the middle part of the front end surface of the central column body (703) is vertically and fixedly connected with a central cutter head (705).

3. A pipe shield body with a flat-faced cutterhead as claimed in claim 1, wherein: the telescopic tube is characterized in that a telescopic tube (3) is connected between the front end of the pipeline (2) and the rear end of the rear tube body (4), the telescopic tube (3) comprises an inner sliding tube body (302) with the rear end fixedly connected with the front end of the pipeline (2), an outer sliding tube body (301) and a telescopic cylinder (303) which are fixedly connected with the rear end of the rear tube body (4) and are sleeved outside the inner sliding tube body (302) in a sliding manner, the rear end of a fixed part of the telescopic cylinder (303) is connected to the rear end of the inner wall of the inner sliding tube body (302), and the front end of a telescopic part of the telescopic cylinder (303) is connected to the front end of the inner wall of the outer sliding tube body (301).

4. A pipe shield body with a flat-faced cutterhead as claimed in claim 1, wherein: the top, the bottom and the left and right sides of the inner wall of the front end of the rear cylinder body (4) are respectively and fixedly connected with a correction oil cylinder (6), and the front end of the telescopic part of the correction oil cylinder (6) is rotationally connected with an ear seat at the corresponding position of the rear end of the inner wall of the front cylinder body (5).

5. A pipe shield body having a flat-faced cutterhead as claimed in claim 3, wherein: the number of the telescopic cylinders (303) is at least two, and a plurality of the telescopic cylinders (303) are distributed in an annular array mode by taking the central axes of the inner sliding cylinder body (302) and the outer sliding cylinder body (301) as the center.

6. A pipe shield body with a flat-faced cutterhead as claimed in claim 1, wherein: the rear side of the pipeline (2) is provided with a lifting hopper for lifting dregs, and a belt conveyor extending along an inclined direction is arranged between the top opening of the lifting hopper and the discharging end of the rear conveying belt (10).