CN214403588U

CN214403588U - A reaming fortune native structure for miniature push pipe

Info

Publication number: CN214403588U
Application number: CN202120393302.5U
Authority: CN
Inventors: 林华涛; 陈建福; 林志康
Original assignee: Fujian Nachuan Pipe Industry Technology Co ltd
Current assignee: Fujian Nachuan Pipe Industry Technology Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-10-15
Anticipated expiration: 2031-02-22

Abstract

The utility model provides a reaming fortune native structure for miniature push pipe, include auger delivery pipe, dig and cut the aircraft nose and impel the pipe, the auger delivery pipe orientation the one end of digging and cutting the aircraft nose is provided with the internal thread hole, dig and cut the aircraft nose including fixed connection's in proper order dig cut the pipe, dig and cut body and connecting pipe, be provided with the external screw thread section on the lateral wall of connecting pipe, it includes outer pipe box, inner pipe box and cutting board to dig to cut the body, outer pipe box or dig and cut intraductal broken blade disc that is provided with, be provided with in the connecting pipe and dig and cut the auger, dig cut intraductal interlude have with broken blade disc fixed connection's the transfer line of digging, impel intraductal interlude have with dig the propulsion transfer line that the transfer line transmission is connected. The auger is arranged, so that the excavated soil can be conveyed forwards, the soil can be conveyed in the operation well at the end point, and the operation well at the end point does not need equipment such as a propelling machine, so that the space is relatively large, and the soil can be conveyed conveniently.

Description

A reaming fortune native structure for miniature push pipe

Technical Field

The utility model relates to a arrange mud pipeline construction equipment's local structure, especially a reaming fortune native structure for miniature push pipe.

Background

The construction of traditional underground pipeline usually is to dig whole ground and form the slot, then lays the pipeline in the slot, and occupation place is big and long time, seriously influences normal transportation order. With the development of the micro pipe jacking technology, the traditional underground pipeline construction mode is gradually eliminated.

The construction method that miniature push pipe technique adopted does, two operation wells are dug to the starting point and the terminal point of present pipeline, then carry out drilling in proper order between two operation wells, reaming and wearing to establish operations such as pipeline, realize laying of pipeline, present miniature push pipe technique is in the reaming stage, the soil that the reaming was excavated usually need be followed reverse (the opposite direction with reaming direction promptly) and discharged, consequently need be located the soil that will excavate in the operation well of starting point and carry out, owing to be located equipment such as pusher need be placed in the operation well of starting point, the space is relatively less, the transport of soil is more inconvenient.

In view of the above, the applicant has made intensive studies to solve the above problems and has made the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil is carried comparatively convenient be used for miniature big your reaming fortune soil structure of propping up.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hole-expanding soil-transporting structure for a micro-pipe-jacking comprises a spiral conveying pipe, a digging machine head detachably and fixedly connected with one end of the spiral conveying pipe and a propelling pipe abutting against one end of the digging machine head far away from the spiral conveying pipe, wherein one end of the spiral conveying pipe facing the digging machine head is provided with an internal threaded hole, the digging machine head comprises a digging pipe, a digging body and a connecting pipe which are fixedly connected in sequence, the inner diameter of the digging pipe is larger than the outer diameter of the connecting pipe, the outer side wall of the connecting pipe is provided with an external threaded section which is spirally connected in the internal threaded hole, the digging body comprises an outer pipe sleeve fixedly connected with one end of the digging pipe, an inner pipe sleeve fixedly connected with one end of the connecting pipe and a plurality of cutter plates, the two ends of the inner pipe sleeve and the outer pipe sleeve are fixedly connected between the inner pipe sleeve and the inner pipe sleeve respectively, and a crushing cutter head is arranged in the outer pipe sleeve or the digging pipe, an excavating auger in transmission connection with the crushing cutter head is arranged in the connecting pipe, an excavating transmission rod fixedly connected with the crushing cutter head is inserted in the excavating pipe, and a propelling transmission rod in transmission connection with the excavating transmission rod is inserted in the propelling pipe.

As an improvement of the utility model, auger delivery pipe includes a plurality of screwed connection's in proper order delivery pipe section, the delivery pipe section is in including carrying the body and setting the internal transport auger of delivery pipe, carry the auger with hexagonal hole in digging the one end of cutting the auger has all been seted up, the other end of carrying the auger be provided with interior hexagonal hole complex outer hexagonal post.

As an improvement of the present invention, the propulsion pipe includes a plurality of propulsion pipe sections that are spirally connected in sequence.

As an improvement of the utility model, the outer jacket with the inner jacket is coaxially arranged, the cutting board from its with the one end that the outer jacket is connected is toward other end direction gradually toward the axis direction slope of outer jacket is arranged, and each the cutting board is located respectively on the radial cross-section of outer jacket

As an improvement of the utility model, can dismantle on the lateral wall of outer pipe box and be connected with two at least rings, each the rings are followed the axis direction of outer pipe box arranges in proper order.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

1. the auger is arranged, so that the excavated soil can be conveyed forwards, the soil can be conveyed in the operation well at the end point, and the operation well at the end point does not need equipment such as a propelling machine, so that the space is relatively large, and the soil can be conveyed conveniently.

2. Through setting up the cutting board, can carry out the breakage in advance to stereoplasm soil, help improving the crushing efficiency of broken blade disc, and then improve reaming speed.

3. Through setting up rings, be convenient for hoist and mount the hand-piece of digging, simultaneously because rings can dismantle the connection, can dismantle during the use, avoid rings to increase the resistance that moves ahead of hand-piece of digging when using.

Drawings

FIG. 1 is a schematic view of the reaming earth-carrying structure for WeChat push pipes of the present invention;

FIG. 2 is a schematic structural view of a conveying pipe section according to the present invention;

fig. 3 is a schematic structural view of the middle digging machine head of the present invention.

The designations in the figures correspond to the following:

10-spiral conveying pipe; 11-a conveying pipe section;

12-conveying the tube body; 13-conveying the packing auger;

14-conveying threaded holes; 15-conveying the external thread section;

16-hexagon socket; 17-outer hexagonal column;

20 digging machine heads; 21-digging and cutting the auger;

22-digging and cutting the pipe; 23-digging and cutting the body;

24-a connecting tube; 25-outer pipe sleeve;

26-an inner tube; 27-a cutting board;

28-a crushing cutter head; 29-a hoisting ring;

30-a propulsion tube.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the present embodiment provides a reaming earth-moving structure for micro-jacking pipes, which comprises a spiral conveying pipe 10, a digging head 20 detachably and fixedly connected to one end of the spiral conveying pipe 10, and a pushing pipe 30 abutting against one end of the digging head 20 far away from the spiral conveying pipe 10, wherein the spiral conveying pipe 10 and the digging head 20 are detachably connected through a threaded structure. It should be noted that, when the reaming earth-moving structure provided by this embodiment is used, equipment such as a pusher needs to be configured, and since the matching manner of the reaming earth-moving structure and the equipment such as the pusher is the same as that of the conventional micro pipe-jacking process, this is not the focus of this embodiment, and details are not described here.

The end of the spiral conveying pipe 10 facing the excavator head 20 is provided with an internally threaded hole, specifically, the spiral conveying pipe 10 comprises a plurality of conveying pipe sections 11 which are sequentially spirally connected, it should be noted that the length of the spiral conveying pipe 10 depends on the number of the conveying pipe sections 11, the number of the conveying pipe sections 11 is not fixed, and in use, as the hole expansion is performed, the conveying pipe 11 continuously penetrates out of the side wall of the operation well at the end point and is removed. The conveying pipe section comprises conveying pipe bodies 12 and conveying augers 13 arranged in the conveying pipe bodies 12, wherein one end of each conveying pipe body 12 is provided with a conveying threaded hole 14, the other end of each conveying pipe body is provided with a conveying external threaded section 15 matched with the conveying threaded hole 14, in two adjacent conveying pipe bodies 12, a conveying internal and external threaded section 15 of one conveying pipe body 12 is in threaded connection with a conveying threaded hole 14 of the other conveying pipe body 12 to realize connection, and conveying threaded holes on the conveying pipe bodies 12 relatively close to the digging machine head 20 form internal threaded holes of the bolt conveying pipes 10; the conveying auger 13 and a digging auger 21 which will be mentioned below are provided with inner hexagonal holes 16 at one end, the other end of the conveying auger 13 is provided with outer hexagonal columns 17 matched with the inner hexagonal holes 16, in two adjacent conveying augers 13, the outer hexagonal column 17 of one conveying auger 13 is inserted in the inner hexagonal hole 16 of the other conveying auger 13 to realize transmission connection, and the outer hexagonal column 17 of the conveying auger 13 relatively close to the digging machine head 20 is inserted in the inner hexagonal hole 16 of the digging auger 21 to realize transmission connection.

The excavating head 20 includes an excavating pipe 22, an excavating body 23 and a connecting pipe 24 fixedly connected in a straight line in sequence, wherein the inner diameter of the excavating pipe 22 is larger than the outer diameter of the connecting pipe 24, so that reaming can be performed. The outer side wall of the connecting tube 24 is provided with an external thread section (not shown) screwed into the internally threaded hole, thereby achieving the detachable connection between the excavator head 20 and the screw conveyor tube 10. The digging body 23 comprises an outer sleeve 25 fixedly connected with one end of the digging pipe 22, an inner sleeve 26 fixedly connected with one end of the connecting pipe 24, and a plurality of knife boards 27 fixedly connected between the outer sleeve 25 and the inner sleeve 26 at two ends respectively, wherein the outer sleeve 25 and the inner sleeve 26 are coaxially arranged, the knife boards 27 are uniformly distributed by taking the axis of the outer sleeve 25 as the center, the knife boards 25 are gradually and obliquely arranged towards the direction of the axis of the outer sleeve 25 from one end connected with the outer sleeve 25 to the other end direction, and the knife boards 27 are respectively positioned on the radial section of the outer sleeve 25. Furthermore, a crushing cutter head 28 is arranged in the outer jacket 25 or in the excavating pipe 30, the side of the crushing cutter head 28 facing the conveying pipe 10 having crushing blades for crushing rock material. An excavating auger 21 in transmission connection with the crushing cutter head 28 is arranged in the connecting pipe 24, and an excavating transmission rod (not shown in the figure) fixedly connected with the crushing cutter head 28 is inserted in the excavating pipe 22.

Preferably, at least two hanging rings 29 are detachably connected to the outer side wall of the outer sleeve 25 through a spiral connecting structure, and the hanging rings 29 are sequentially arranged along the axial direction of the outer sleeve 25, so that the outer sleeve is convenient to hoist, and the hanging rings 29 can be detached when the outer sleeve is used. A plurality of drainage holes are formed on the periphery of the digging pipe 22 at positions close to the outer sleeve 25.

The propulsion tube 30 comprises a plurality of propulsion tube segments that are in turn helically connected. It should be noted that the length of the propelling pipe 30 depends on the number of propelling pipes, while the number of propelling pipe sections is not fixed, and in use, as the reaming is performed, it is necessary to add propelling pipe sections in the operation well at the beginning so that the propelling machine can propel the excavator head 20 to advance by pushing the propelling pipe 30. A propelling transmission rod (not shown in the figure) is inserted into the propelling pipe 30 and is in transmission connection with the excavating transmission rod through a bolt, the propelling transmission rod comprises rod sections respectively positioned in the propelling pipe sections, and the adjacent two rod sections are in transmission connection through bolts.

When the hole-expanding machine is used, the propelling pipe 30 is pushed to move forwards by the propelling machine, so that the excavating and cutting machine head 20 is driven to move completely to expand holes, in the process, the propelling transmission rod and the excavating and cutting transmission rod are driven by the motor to drive the crushing cutter head 28 and the packing augers to rotate, so that soil and stones are crushed, and the crushed soil and stones are conveyed forwards by the packing augers.

The present invention has been described in detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention according to the prior art, and these all belong to the protection scope of the present invention.

Claims

1. A hole-expanding soil-transporting structure for a micro-pipe-jacking is characterized by comprising a spiral conveying pipe, a digging machine head detachably and fixedly connected to one end of the spiral conveying pipe and a pushing pipe abutting against one end, far away from the spiral conveying pipe, of the digging machine head, wherein one end, facing the digging machine head, of the spiral conveying pipe is provided with an internal threaded hole, the digging machine head comprises a digging pipe, a digging body and a connecting pipe which are fixedly connected in sequence, the inner diameter of the digging pipe is larger than the outer diameter of the connecting pipe, an external threaded section which is spirally connected in the internal threaded hole is arranged on the outer side wall of the connecting pipe, the digging body comprises an outer pipe sleeve fixedly connected with one end of the digging pipe, an inner pipe sleeve fixedly connected with one end of the connecting pipe and a plurality of cutter plates, two ends of the inner pipe sleeve and the cutter plates are fixedly connected between the outer pipe sleeve and the inner pipe sleeve respectively, the outer pipe sleeve or the digging pipe is internally provided with a crushing cutter head, the connecting pipe is internally provided with a digging auger in transmission connection with the crushing cutter head, a digging transmission rod fixedly connected with the crushing cutter head is inserted in the digging pipe, and a pushing transmission rod in transmission connection with the digging transmission rod is inserted in the pushing pipe.

2. The hole expanding and soil transporting structure for the mini pipe jacking according to claim 1, wherein the spiral conveying pipe comprises a plurality of conveying pipe sections which are spirally connected in sequence, the conveying pipe sections comprise a conveying pipe body and a conveying auger arranged in the conveying pipe body, one end of the conveying auger and one end of the digging auger are both provided with hexagonal socket holes, and the other end of the conveying auger is provided with an outer hexagonal column matched with the hexagonal socket holes.

3. The underreamed earthmoving structure for a mini jacking pipe as claimed in claim 1, wherein said propulsion pipe comprises a plurality of propulsion pipe sections which are sequentially helically connected.

4. A hole-enlarging earth-moving structure for a mini-size pipe jacking according to claim 1, wherein said outer jacket and said inner jacket are coaxially arranged, said blades are gradually inclined from the end connected with said outer jacket to the other end thereof in the direction of the axis of said outer jacket, and each of said blades is located on the radial section of said outer jacket.

5. The structure of any one of claims 1 to 4, wherein at least two hanging rings are detachably connected to the outer side wall of the outer pipe sleeve, and the hanging rings are sequentially arranged along the axial direction of the outer pipe sleeve.