CN212614726U

CN212614726U - Telescopic shield constructs quick-witted blade disc

Info

Publication number: CN212614726U
Application number: CN202021008819.XU
Authority: CN
Inventors: 杜亚红
Original assignee: Individual
Current assignee: DALIAN LITIAN MOLDING CO LTD
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-02-26
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a telescopic shield constructs quick-witted blade disc, including the blade holder, be fixed with the blade disc on the blade holder, the blade disc passes through the stiffener and consolidates the setting with the blade holder, and the welding is provided with first blade on the blade disc, and the welding has the second blade on the outer wall of blade disc, and fixed mounting has well core rod on the blade holder, and the welding has the third blade on well core rod, and the welding has the drill bit on well core rod, and the welding has the helical blade on the drill bit. The drill bit is matched with the spiral blade and the third blade, so that a tunneling soil layer can be excavated and loosened firstly, and then the tunneling can be gradually conducted by matching with the first blade and the second blade.

Description

Telescopic shield constructs quick-witted blade disc

Technical Field

The utility model belongs to the technical field of shield constructs the machine cutter head, specifically is a telescopic shield constructs quick-witted cutter head.

Background

The shield tunneling machine is a special engineering machine for tunneling, integrates light, mechanical, electrical, hydraulic, sensing and information technologies into a whole, and has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting deviation and the like.

The shield machine mainly tunnels through the blades on the cutter head, the conventional blades are single in type, the tunneling direction is large in limitation, and the tunneling efficiency is influenced when the shield machine encounters soil of different levels.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic shield constructs quick-witted blade disc to solve the single problem of blade kind.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a telescopic shield constructs quick-witted blade disc, includes the blade holder, be fixed with the blade disc on the blade holder, the blade disc passes through the stiffener and consolidates the setting with the blade holder, the welding is provided with first blade on the blade disc, the welding has the second blade on the outer wall of blade disc, fixed mounting has well core rod on the blade holder, the welding has the third blade on well core rod, the welding has the drill bit on well core rod, the welding has the spiral blade on the drill bit.

Preferably, the first blades are divided into an upper layer, a middle layer and a lower layer, six groups of blades are distributed on the blade disc, and the propelling effect of the blade disc during tunneling is guaranteed.

Preferably, the number of the second blades is six, the second blades are uniformly distributed, and the secondary cleaning can be performed on the protruding parts on the inner wall of the tunneling space after tunneling.

Preferably, the number of the third blades is not less than fourteen, the third blades are uniformly distributed, the excavation strength of a soil layer at the center of excavation can be enhanced, and a conical excavation form is formed by matching with the first blades, so that the excavation effect is ensured.

Preferably, the third blade is welded with a bulge, so that the drilling and digging effect on a soil layer can be improved.

Preferably, the bulges are divided into an upper layer, a middle layer and a lower layer, and the middle part of the bulges can be tunneled.

Preferably, the cutter head is provided with built-in holes, the built-in holes can convey soft soil after drilling into the cutter head, and the number of the built-in holes is six and the built-in holes are uniformly distributed.

Compared with the prior art, the beneficial effects of the utility model are that: the drill bit is matched with the spiral blade and the third blade, so that a tunneling soil layer can be excavated and loosened firstly, and then the tunneling can be gradually conducted by matching with the first blade and the second blade.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the distribution of the first blade and the second blade of the present invention;

FIG. 3 is a partially enlarged view of a third blade according to the present invention;

fig. 4 is a schematic view of the distribution of the third blade according to the present invention.

In the figure: 1. a tool apron; 11. a cutter head; 12. a reinforcing bar; 13. a first blade; 14. a second blade; 15. a center pole; 16. a third blade; 17. a drill bit; 18. a helical blade; 2. a protrusion; 21. a hole is arranged inside.

Detailed Description

Referring to fig. 1, 2 and 3, the telescopic shield tunneling machine cutter head comprises a cutter base 1, a cutter head 11 is fixed on the cutter base 1, the cutter head 11 is reinforced with the cutter base 1 through a reinforcing rod 12, a first blade 13 is welded on the cutter head 11, a second blade 14 is welded on the outer wall of the cutter head 11, a central rod 15 is fixedly installed on the cutter base 1, an inner ring is fixedly embedded on the cutter head 11, the central rod 15 rotatably penetrates through the inner ring, a third blade 16 is welded on the central rod 15, a drill bit 17 is welded on the central rod 15, and a spiral blade 18 is welded on the drill bit 17.

Referring to fig. 2, the first blades 13 are divided into three layers, namely an upper layer, a middle layer and a lower layer, and six groups are distributed on the cutter head 11, so that the propelling effect of the cutter head 11 during tunneling is ensured.

Referring to fig. 2, the number of the second blades 14 is six, and the second blades are uniformly distributed, so that the secondary cleaning can be performed on the protruding part on the inner wall of the tunneling space after tunneling.

Referring to fig. 4, the number of the third blades 16 is not less than fourteen, and the third blades are uniformly distributed, so that the excavation strength of a soil layer at the excavation center can be enhanced, and a conical excavation form is formed by matching with the first blades 13, so that the excavation effect is ensured.

Referring to fig. 3, the third blade 16 is welded with the protrusions 2, which can improve the soil layer drilling effect.

Referring to fig. 3, the projection 2 is divided into an upper layer, a middle layer and a lower layer, and can tunnel in the middle.

Referring to fig. 2, the cutter head 11 is provided with built-in holes 21, the built-in holes 21 can send soft soil after drilling into the cutter head 11, and the number of the built-in holes 21 is six and is uniformly distributed.

The working principle of the scheme is as follows: when the tunneling needs to be carried out, the cutter holder 1 drives the cutter head 11 to rotate, so that the first blade 13, the second blade 14, the third blade 16 and the central rod 15 rotate, the central rod 15 rotates firstly, the drill bit 17 and the spiral blade 18 rotate, the central part of a tunneling soil layer can be infiltrated, and then the third blade 16 can be matched with the protrusion 2 to gradually excavate the central position.

And then the first blade 13 is used for tunneling in a large area, so that the whole tunneling process is in a step type, meanwhile, the blade is similar to a conical tunneling mode, the abrasion damage of the blade is greatly reduced, and finally, the inner wall of the tunneling space can be cleaned in an auxiliary mode through the second blade 14, so that the smoothness of the inner wall is ensured.

Claims

1. The utility model provides a telescopic shield constructs quick-witted blade disc, includes blade holder (1), its characterized in that: be fixed with blade disc (11) on blade holder (1), blade disc (11) are consolidated through stiffener (12) and blade holder (1) and are set up, the welding is provided with first blade (13) on blade disc (11), the welding has second blade (14) on the outer wall of blade disc (11), fixed mounting has well core rod (15) on blade holder (1), the welding has third blade (16) on well core rod (15), the welding has drill bit (17) on well core rod (15), the welding has spiral blade (18) on drill bit (17).

2. The telescopic shield tunneling machine cutterhead according to claim 1, wherein: the first blades (13) are divided into an upper layer, a middle layer and a lower layer, and six groups are distributed on the cutter head (11).

3. The telescopic shield tunneling machine cutterhead according to claim 1, wherein: the number of the second blades (14) is six, and the second blades are uniformly distributed.

4. The telescopic shield tunneling machine cutterhead according to claim 1, wherein: the number of the third blades (16) is not less than fourteen, and the third blades are uniformly distributed.

5. The telescopic shield tunneling machine cutterhead according to claim 4, wherein: the third blade (16) is welded with a bulge (2).

6. The telescopic shield tunneling machine cutterhead of claim 5, wherein: the bulges (2) are divided into an upper layer, a middle layer and a lower layer.

7. The telescopic shield tunneling machine cutterhead according to claim 1, wherein: the cutter head (11) is provided with six built-in holes (21), and the built-in holes (21) are uniformly distributed.