CN216429613U

CN216429613U - Cutting cutter head for pipe jacking machine capable of avoiding earth accumulation and blockage

Info

Publication number: CN216429613U
Application number: CN202122881486.2U
Authority: CN
Inventors: 王会民; 刘洪亮
Original assignee: Jiangsu Tiandun Heavy Industry Machinery Technology Co ltd
Current assignee: Jiangsu Tiandun Heavy Industry Machinery Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-03
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a cutting cutter head for a pipe pushing jack capable of avoiding earth accumulation and blockage, which comprises a connecting sleeve, wherein the front surface of the connecting sleeve is provided with a panel, the circle center position of the front surface of the panel is provided with a fishtail cutter, both sides of the front surface of the panel are provided with edge hobs, a plurality of cutting assemblies are arranged between the two sides of the fishtail cutter and the edge hobs, the top and the bottom of the fishtail cutter are provided with a plurality of straight hobs which are arranged at equal intervals, the top of one side of the front surface of the panel and the bottom of the other side of the front surface of the panel are both provided with a discharging assembly, and the top of the other side of the front surface of the panel and the bottom of the other side of the front surface of the panel are both provided with a plurality of alloy cutter grains; the back of the connecting sleeve is provided with a mounting frame. Has the advantages that: by arranging a plurality of groups of cutting cutters, the earth layer can be deeply cut in multiple aspects, so that the uniformity of the cut earth is ensured, and the earth blocks are prevented from being accumulated to cause blockage; meanwhile, the mud discharging holes which are arranged in a staggered mode are matched, so that mud or muddy water can be discharged in time after cutting is finished, and the construction efficiency can be improved.

Description

Cutting cutter head for pipe push bench capable of avoiding earth accumulation and blockage

Technical Field

The utility model relates to a top pushes away cutter head equipment field, particularly, relates to a cutting cutter head for push bench of jam is piled up to avoiding earth.

Background

At present, urban water supply and drainage engineering is more and more urgent to construct, and more attention is paid to pipe jacking construction as a main construction method in water supply and drainage engineering, the pipe jacking construction is a pipeline embedding construction technology without excavation or with few excavation, the pipe jacking construction is a jacking force generated in a working pit by means of jacking equipment, the friction force between a pipeline and surrounding soil is overcome, the pipeline is jacked into the soil according to the designed gradient, and earthwork is transported away. After one pipe section is pushed into the soil layer, the second pipe section is pushed into the soil layer continuously, the principle is that a tool pipe or a heading machine is pushed into a receiving pit from a working pit through the soil layer to be hoisted by means of the pushing force of a main jacking oil cylinder, a pipeline and a relay, and the machine head excavation is an important link in the construction of the pipe jacking machine.

And a high-strength tunneling cutter head is required to be assembled in the process of digging by the machine head, so that soil and rocks are excavated and crushed, and the pipeline is drilled. Most of current blade disc are equipped with the cutter or the drill bit of various shapes at the terminal surface, guarantee going on of tunnelling, but current blade disc when tunnelling earth, and the earth of cutting is not even enough, and when the earth stickness of dirt layer was stronger, there can be the earth piece that the volume differs, and some blade disc mud discharging hole is less or less, leads to the getting rid of that earth can not be timely, causes certain jam easily, influences the progress of construction and the effect of tunnelling.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an avoid earth to pile up cutting cutter head for push bench of jam possesses the tunnelling ability reinforce, and the high difficult advantage of blockking up of broken degree, and then solves the earth and pushes away the problem that the in-process easily blockked up.

(II) technical scheme

For realizing above-mentioned tunnelling ability reinforce, the high difficult advantage that blocks up of broken degree, the utility model discloses a concrete technical scheme as follows:

a cutting cutter head for a push bench for avoiding earth accumulation and blockage comprises a connecting sleeve, wherein a panel is arranged on the front surface of the connecting sleeve, a fishtail cutter is arranged in the circle center position of the front surface of the panel, edge hobs are arranged on two sides of the front surface of the panel, a plurality of cutting assemblies are arranged between two sides of the fishtail cutter and the edge hobs, a plurality of straight surface hobs which are arranged at equal intervals are arranged at the top and the bottom of the fishtail cutter, a discharging assembly is arranged at the top of one side and the bottom of the other side of the front surface of the panel, and a plurality of alloy cutter grains are arranged at the top of the other side and the bottom of the other side of the front surface of the panel; the back of the connecting sleeve is provided with a mounting frame.

Further, in order to improve the cutting ability to earth, helical structure can realize gathering together the inside of earth simultaneously, and the panel is round platform structure and circumference outer fringe is provided with a plurality of annular cutters, and a plurality of annular cutters form helical structure.

Further, can cut apart the cutting to earth for make cut apart the board with cut apart the taper sleeve to the cooperation first mud discharge opening realizes the discharge to cutting earth, under the circumstances of guaranteeing the cutting ability, improves the efficiency of mud discharging, cuts apart the subassembly including setting up at the positive taper sleeve of cutting apart of panel, cuts apart the taper sleeve and offers the first mud discharge opening that runs through the panel for hollow structure and back, cuts apart the taper sleeve top and is provided with apart the board.

Furthermore, in order to enable the cutting assemblies on the two sides to be matched with each other, clockwise homodromous is achieved, then soil is cut, the directions of the cutting taper sleeves on the two sides of the fishtail cutter are opposite to those of the cutting plates, and the cutting plates are of triangular structures.

Further, in order to cut earth through the cutter is further to make earth slide into and lead the mud groove and discharge through second mud discharging port at last after the cutting, further improve the efficiency of arranging mud, arrange the material subassembly and include a plurality of settings at the positive and equidistance cutter of panel, be provided with between two adjacent cutters and lead the mud groove, lead the mud groove bottom and offer the second mud discharging port that runs through the panel.

Furthermore, in order to ensure that the two sides are symmetrical with each other and ensure the cutting uniformity and the structural strength of the cutter head, the cutters are positioned on one side of the cutting taper sleeve away from the cutting plate, and the cutters positioned on the two sides of the fishtail cutter are positioned on the same diameter of the panel.

Furthermore, in order to further improve the sludge discharge capacity, third sludge discharge openings are formed in two sides of the straight surface hob

(III) advantageous effects

Compared with the prior art, the utility model provides an it piles up cutting blade disc for push bench of jam to avoid earth possesses following beneficial effect:

(1) the earth layer can be deeply cut in multiple aspects by arranging a plurality of groups of cutting cutters, so that the uniformity of the cut earth is ensured, and the earth blocks are prevented from being accumulated to cause blockage; meanwhile, the mud discharging holes which are arranged in a staggered mode are matched, so that mud or muddy water can be discharged in time after cutting is finished, normal operation of tunneling work is guaranteed, construction efficiency is improved, and structural strength and stability of the cutter head are guaranteed by means of a mode that a small hole is formed in a large number.

(2) Through the annular cutter that sets up in the panel circumference outside, can cooperate the marginal hobbing cutter to carry out abundant cutting to marginal soil layer, guarantee to cut off sectional neatly prevent that earth from piling up, the helical structure that annular cutter formed simultaneously can make the marginal earth after the cutting gather together to the panel center, is convenient for carry out further cutting breakage and discharge to it, and then improves the efficiency of construction.

Drawings

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

Fig. 1 is a schematic front structural view of a cutting disc for a push bench for avoiding blockage due to accumulation of soil according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a back structure of a cutting cutter head for a push bench for avoiding blockage due to accumulation of soil according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a cutting assembly in a cutter head for a push bench to avoid blockage due to accumulation of mud according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1.

In the figure:

1. connecting sleeves; 2. a panel; 3. a fish tail knife; 4. an edge hob; 5. a partitioning component; 501. cutting the taper sleeve; 502. a first sludge discharge port; 503. dividing the plate; 6. a straight hob; 7. a discharge assembly; 701. a cutter; 702. a mud guide groove; 703. a second sludge discharge port; 8. alloy knife particles; 9. a mounting frame; 10. a ring-shaped cutter; 11. and a third sludge discharge port.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a cutting cutter head for push bench of jam is piled up to avoid earth.

The present invention will be further explained with reference to the accompanying drawings and the detailed description, as shown in fig. 1-4, according to the cutting cutter head for a push bench for avoiding earth accumulation and blocking of the embodiment of the present invention, the cutting cutter head comprises a connecting sleeve 1, the connecting sleeve 1 is provided with a panel 2 on the front side, a fishtail cutter 3 is arranged at the center of the front side of the panel 2, edge hobs 4 are arranged on both sides of the front side of the panel 2, a plurality of cutting assemblies 5 are arranged between both sides of the fishtail cutter 3 and the edge hobs 4, a plurality of straight hobs 6 arranged at equal distance are arranged on the top and the bottom of the fishtail cutter 3, a discharging assembly 7 is arranged on both the top of one side and the bottom of the other side of the front side of the panel 2, and a plurality of alloy cutter particles 8 are arranged on both the top of the other side and the bottom of the front side of the panel 2; the back of the connecting sleeve 1 is provided with a mounting rack 9.

By means of the technical scheme, the earth layer can be deeply cut in multiple aspects by arranging the plurality of groups of cutting cutters, so that the uniformity of the cut earth is ensured, and the earth blocks are prevented from being accumulated to cause blockage; meanwhile, the mud discharging holes which are arranged in a staggered mode are matched, so that mud or muddy water can be discharged in time after cutting is finished, normal operation of tunneling work is guaranteed, construction efficiency is improved, and structural strength and stability of the cutter head are guaranteed by means of a mode that a small hole is formed in a large number.

In one embodiment, for the panel 2, the panel 2 is of a circular truncated cone structure, the plurality of annular cutters 10 are arranged on the outer edge of the circumference of the panel, and the plurality of annular cutters 10 form a spiral structure, so that the cutting capability of the soil is improved, and meanwhile, the spiral structure can realize inward gathering of the soil.

In one embodiment, for the above-mentioned cutting assembly 5, the cutting assembly 5 includes a cutting taper sleeve 501 disposed on the front surface of the panel 2, the cutting taper sleeve 501 is of a hollow structure, the back surface of the cutting taper sleeve 501 is provided with a first mud discharging port 502 penetrating through the panel 2, and a cutting plate 503 is disposed on the top of the cutting taper sleeve 501, so that the cutting plate 503 and the cutting taper sleeve 501 can cut and cut mud, and the first mud discharging port 502 is matched to discharge the cut mud, thereby improving the mud discharging efficiency while ensuring the cutting ability.

In one embodiment, for the above fishtail knife 3, the directions of the dividing taper sleeves 501 and the dividing plates 503 on both sides of the fishtail knife 3 are opposite, and the dividing plates 503 are triangular structures, so that the dividing components 5 on both sides cooperate with each other to realize clockwise homodromous and further cut soil.

In an embodiment, for the above discharging assembly 7, the discharging assembly 7 includes a plurality of cutters 701 arranged on the front surface of the panel 2 at equal intervals, a mud guiding groove 702 is arranged between two adjacent cutters 701, and a second mud discharging port 703 penetrating through the panel 2 is formed in the bottom of the mud guiding groove 702, so that mud can be further cut by the cutters 701, and the mud slides into the mud guiding groove 702 and is finally discharged through the second mud discharging port 703 after being cut, thereby further improving the mud discharging efficiency.

In one embodiment, for the above-mentioned cutting knife 701, the cutting knife 701 is located on one side of the dividing taper sleeve 501 far away from the dividing plate 503, and a plurality of cutting knives 701 located on both sides of the fishtail knife 3 are located on the same diameter of the face plate 2, so that both sides are symmetrical to each other, and the cutting uniformity and the structural strength of the cutterhead are ensured.

In one embodiment, for the above-mentioned straight-face hob 6, third sludge discharge ports 11 are opened on both sides of the straight-face hob 6, so as to further improve the sludge discharge capability.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the cutter head is fixed at the head part of the push bench through the mounting frame 9, and the structure such as a spline ensures that the cutter head can rotate and push forwards along with the driving motor. In the construction process, the cutter head performs rotary cutting, and a plurality of groups of cutters are used for tunneling and cutting a mud layer. The edge hob 4 and the annular cutter 10 can cut apart the soil layer, the specific position and the size diameter of the tunneling hole are determined, and soil can be gathered inwards under the action of the annular cutter 10. Along with the rotation of the cutter head, the straight-face hob 6, the dividing plate 503, the cutter 701, the alloy cutter particles 8 and other structures sequentially contact with a soil layer to continuously divide and crush soil, the soil is crushed into uniform soil blocks, the uniform soil blocks can pass through the first sludge discharge port 502, the second sludge discharge port 703 and the third sludge discharge port 11, and the panel 2 is free from accumulation of redundant soil blocks in a tunneling path, so that the blockage in the cutter head is prevented.

In conclusion, by means of the technical scheme of the utility model, the earth layer can be deeply cut in multiple aspects by arranging a plurality of groups of cutting cutters, thereby ensuring the uniformity of the cut earth and preventing the earth blocks from being accumulated to cause blockage; meanwhile, the mud discharging holes which are arranged in a staggered mode are matched, so that mud or muddy water can be discharged in time after cutting is finished, normal operation of tunneling work is guaranteed, construction efficiency is improved, and structural strength and stability of the cutter head are guaranteed by means of a mode that a small hole is formed in a large number. Through setting up annular cutter 10 in the 2 circumference outsides of panel, can cooperate edge hobbing cutter 4 to carry out abundant cutting to edge dirt layer, guarantee to cut off sectional neat and prevent that earth from piling up, the helical structure that annular cutter 10 formed simultaneously can make the marginal earth after the cutting to gather together to the panel center, is convenient for carry out further cutting breakage and discharge to it, and then improves the efficiency of construction.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 an avoid earth to pile up cutting blade disc for push bench of jam, includes adapter sleeve (1), adapter sleeve (1) openly is provided with panel (2), its characterized in that:

a fishtail cutter (3) is arranged at the center of the circle on the front side of the panel (2), edge hobs (4) are arranged on two sides of the front side of the panel (2), a plurality of cutting assemblies (5) are arranged between two sides of the fishtail cutter (3) and the edge hobs (4), a plurality of straight surface hobs (6) which are arranged at equal intervals are arranged on the top and the bottom of the fishtail cutter (3), a discharging assembly (7) is arranged on the top of one side of the front side of the panel (2) and the bottom of the other side of the front side of the panel (2), and a plurality of alloy cutter grains (8) are arranged on the top of the other side of the front side of the panel (2) and the bottom of the other side of the front side of the panel (2);

the back of the connecting sleeve (1) is provided with a mounting rack (9).

2. The cutting cutter head for the push bench for avoiding earth accumulation and blockage according to claim 1, characterized in that the face plate (2) is of a circular truncated cone structure, a plurality of annular cutters (10) are arranged on the outer edge of the circumference, and the annular cutters (10) form a spiral structure.

3. The cutting cutter head for the push bench for avoiding earth accumulation and blockage according to claim 1, wherein the dividing assembly (5) comprises a dividing taper sleeve (501) arranged on the front surface of the face plate (2), the dividing taper sleeve (501) is of a hollow structure, the back surface of the dividing taper sleeve is provided with a first mud outlet (502) penetrating through the face plate (2), and the top of the dividing taper sleeve (501) is provided with a dividing plate (503).

4. The cutting cutter head for the push bench for avoiding the blockage of the soil accumulation according to claim 3, wherein the direction of the dividing taper sleeve (501) on both sides of the fishtail cutter (3) is opposite to that of the dividing plate (503), and the dividing plate (503) has a triangular structure.

5. The cutting cutter head for the push bench for avoiding earth accumulation and blockage according to claim 4, wherein the discharge assembly (7) comprises a plurality of cutters (701) which are arranged on the front surface of the panel (2) and are arranged at equal intervals, a mud guide groove (702) is arranged between every two adjacent cutters (701), and a second mud discharge port (703) which penetrates through the panel (2) is formed in the bottom of the mud guide groove (702).

6. The cutting cutter head for the push bench for avoiding the blockage of the soil accumulation according to claim 5, characterized in that the cutting knife (701) is positioned at one side of the dividing taper sleeve (501) far away from the dividing plate (503), and a plurality of cutting knives (701) positioned at two sides of the fishtail knife (3) are positioned on the same diameter of the face plate (2).

7. The cutting cutter head for the push bench for avoiding the blockage due to the accumulation of the soil as claimed in claim 1, wherein the straight surface hob (6) is provided with third sludge discharge ports (11) at both sides.