CN215565939U

CN215565939U - Spoke rotary type cutting tool

Info

Publication number: CN215565939U
Application number: CN202121419422.4U
Authority: CN
Inventors: 解萍; 杨旭明; 杨启双; 曹磊; 刁振轩
Original assignee: Jiangsu Xurui Heavy Industry Technology Co ltd
Current assignee: Jiangsu Xurui Heavy Industry Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-18
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a spoke rotary type cutting tool, which belongs to the field of machinery and comprises a circular cutter head main body, wherein 4 groups of rotary spokes arranged oppositely are arranged on the cutter head main body, the rotary spokes rotate 360 degrees around a rotary spoke shaft, any two groups of adjacent rotary spokes are perpendicular to each other, a cutting tool and a standby cutting tool are arranged on the rotary spokes, each cutting tool and the standby cutting tool are blade groups formed by a plurality of blades with the same size, and any blade group is parallel to the rotary spoke shaft. The technical problem to be solved by the utility model is to provide a spoke rotary type cutting tool, which solves the problems that the cost is consumed for replacing the existing cutter head and the construction period is short, and through the arrangement of the rotary spokes, the cutter can be quickly replaced under the conditions that the shield machine is abnormally worn away from a tunneling cutter and the cutter in a special stratum is damaged, so that the construction period is saved, and the cost loss caused by construction period delay and manpower is reduced.

Description

Spoke rotary type cutting tool

Technical Field

The utility model belongs to the field of machinery, and particularly relates to a spoke rotary type cutting tool.

Background

The cutting tools on the shield cutterhead are configured according to the geological detail of the shield tunnel, the conventional geological detail is that a hole is drilled at an interval of 50 meters, and the stratum penetrated by the shield cannot be completely summarized, particularly the abrupt stratum. A plurality of cutters of the shield cutter head, such as shell cutters and cavel cutters, are welded on the soil facing surface of the cutter head. When a stratum with high quartz sand content is encountered, the cutter abrasion is abnormally accelerated; or the shield tunneling encounters a sudden change hard stratum to cause cutter damage; if the replacement is not carried out in time, the tunneling speed is greatly reduced, the cutter head torque is increased, the cutter head body is seriously abraded, and the shield tunneling machine cannot tunnel.

The replacement of cutters on the soil-facing surface of the cutter head usually requires geological improvement and the establishment of a temporary foundation pit, which consumes capital and construction period.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a spoke rotary type cutting tool, which solves the problems that the cost is consumed for replacing the existing cutter head and the construction period is short, and through the arrangement of the rotary spokes, the cutter can be quickly replaced under the conditions that the shield machine is abnormally worn away from a tunneling cutter and the cutter in a special stratum is damaged, so that the construction period is saved, and the cost loss caused by construction period delay and manpower is reduced.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a spoke rotation type cutting tool, includes circular shape blade disc main part, be equipped with 4 sets of rotary wheel spoke that set up in opposite directions in the blade disc main part, rotary wheel spoke is 360 degrees rotations around the rotary wheel spoke axle, and arbitrary two sets of adjacent rotary wheel spokes are mutually perpendicular, be equipped with cutting tool and reserve cutting tool on the rotary wheel spoke, cutting tool with reserve cutting tool is by the blade group that a plurality of sizes are the same blade constitute, arbitrary the blade group with the rotary wheel spoke axle parallels.

Furthermore, two ends of the rotary spoke shaft are arranged in the bearing seats, a rotary driving device is arranged on the rotary spoke, and the rotary driving device is connected with the rotary spoke shaft and a power supply.

Preferably, the rotation driving device is a hydraulic motor with a self-locking function.

Preferably, the rotary spoke and the cutter head main body are welded.

Furthermore, the spare cutting tools have 1 or more groups, and the spare cutting tools and the cutting tools are arranged on the rotary wheel spoke shaft at equal intervals.

Preferably, the spare cutting blades have 1, 2 or 3 groups.

Furthermore, a cutter head opening is formed between any two groups of adjacent rotary spokes on the cutter head main body.

Preferably, the cutter head opening is equidistant from the adjacent rotating spokes.

Preferably, the cutter head opening points to the circle center of the cutter head main body.

Preferably, the cutter head opening is gradually enlarged in the direction of keeping away from the centre of a circle of cutter head main body, and is closer to the centre of a circle of cutter head main body, the shorter the cutter head opening width is, the farther away the centre of a circle of cutter head main body is, the longer the cutter head opening width is.

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

(1) The utility model has wide application range, and can be used for slurry shield and soil pressure shield.

(2) The utility model can set the number of groups of spare cutters according to the diameter of the cutter head and the types of the cutters.

(3) The utility model has simple and reliable cutter replacement without the need of foundation pit establishment and cutter head entering operation.

(4) The spare cutter can adopt different types of cutters, so that more applicable cutters can be switched according to different geological conditions actually appearing in shield tunneling.

Drawings

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

FIG. 2 is a cross-sectional view taken along line A-A of a set of rotating spokes of the present invention;

FIG. 3 is a sectional view of a set of rotating spokes according to the present invention in an as-constructed condition;

1-cutter head main body, 2-rotary spoke, 3-cutter head opening, 21-rotary driving device, 22-bearing seat, 23-cutting tool, 24-rotary spoke shaft and 25-spare cutting tool.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a spoke rotary cutting tool comprises a circular cutter head main body 1, wherein 4 sets of rotary spokes 2 arranged in opposite directions are arranged on the cutter head main body 1, the rotary spokes 2 rotate around a rotary spoke shaft 24 by three hundred and sixty degrees, any two sets of adjacent rotary spokes 2 are perpendicular to each other, a cutting tool 23 and a standby cutting tool 25 are arranged on the rotary spokes 2, the cutting tool 23 and the standby cutting tool 25 are blade sets formed by a plurality of blades with the same size, and any blade set is parallel to the rotary spoke shaft 24.

Further, there are 1 or more sets of the spare cutting tools 25, and the spare cutting tools 25 and the cutting tools 23 are arranged on the rotary spoke shaft 24 at equal intervals.

Preferably, the spare cutting tools 25 have 1, 2 or 3 sets.

The cutting tool 23 is used for cutting the soil-facing surface, the spare cutting tool 25 is used for spare use of the cutting tool 23, and when the cutting tool 23 on the soil-facing surface needs to be replaced, the rotary spoke 2 only needs to be rotated, so that the unused spare cutting tool 25 rotates to the soil-facing surface, and the cutting operation can be realized.

Example 2

Example 2 differs from example 1 only in that: a concrete structure of the rotary spoke is provided.

Specifically, two ends of the rotary wheel spoke shaft 24 are arranged in the bearing seat 22, the rotary wheel spoke 2 is provided with a rotary driving device 21, and the rotary driving device 21 is connected with the rotary wheel spoke shaft 24 and a power supply.

Preferably, the rotation driving device 21 is a hydraulic motor with a self-locking function.

Preferably, the bearing seat 22 and the cutter head main body 1 are welded.

Example 3

Example 3 differs from example 1 only in that: the structure of the cutter head opening is added, so that soil cut by the cutter head can be conveniently discharged into the soil bin.

Specifically, a cutter head opening 3 is formed between any two adjacent groups of rotary spokes 2 on the cutter head main body 1.

Preferably, the cutter disc opening 3 is equidistant from the adjacent rotary spokes 2.

Preferably, the cutter head opening 3 points to the center of the cutter head main body 1.

Preferably, the cutter head opening 3 is away from the gradual increase in the direction of the centre of a circle of the cutter head main body 1, the closer to the centre of a circle of the cutter head main body 1, the shorter the width of the cutter head opening 3 is, the farther away from the centre of a circle of the cutter head main body 1 is, the longer the width of the cutter head opening 3 is. These arrangements are provided for the cutting process to be performed more smoothly and efficiently.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

While the utility model has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this description, will appreciate that other embodiments can be devised which do not depart from the scope of the utility model as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The present invention has been disclosed in an illustrative rather than a restrictive sense, and the scope of the present invention is defined by the appended claims.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims

1. A spoke rotating cutting tool, comprising: including circular shape blade disc main part (1), be equipped with 4 groups of spoke (2) that set up in opposite directions on blade disc main part (1), spoke (2) are around 360 degrees rotations of gyration wheel spoke axle (24), and arbitrary two sets of adjacent spoke (2) are mutually perpendicular, be equipped with cutting tool (23) and reserve cutting tool (25) on spoke (2), cutting tool (23) with reserve cutting tool (25) constitute by the blade group that a plurality of sizes are the same, arbitrary blade group with gyration wheel spoke axle (24) parallel.

2. A radial rotary cutting tool according to claim 1, wherein: the two ends of the rotary spoke shaft (24) are arranged in the bearing seats (22), the rotary spoke (2) is provided with a rotary driving device (21), and the rotary driving device (21) is connected with the rotary spoke shaft (24) and the hydraulic station.

3. A radial rotary cutting tool according to claim 2, wherein: the rotary driving device (21) is a hydraulic motor with a self-locking function.

4. A radial rotary cutting tool according to claim 2, wherein: the bearing seat (22) and the cutter head main body (1) are welded.

5. A radial rotary cutting tool according to claim 1, wherein: the spare cutting tools (25) are arranged in 1 or more groups, and the spare cutting tools (25) and the cutting tools (23) are arranged on the rotary spoke shaft (24) at equal intervals.

6. A radial rotary cutting tool according to claim 1, wherein: the spare cutting tools (25) have 1, 2 or 3 groups.

7. A radial rotary cutting tool according to claim 1, wherein: and a cutter head opening (3) is arranged between any two groups of adjacent rotary spokes (2) on the cutter head main body (1).

8. A radial rotary cutting tool according to claim 7, wherein: the cutter head opening (3) is equidistant to the adjacent rotary spokes (2).

9. A radial rotary cutting tool according to claim 7, wherein: the cutter head opening (3) points to the circle center of the cutter head main body (1).

10. A radial rotary cutting tool according to claim 9, wherein: cutter head opening (3) is keeping away from the gradual grow in the direction of the centre of a circle of cutter head main part (1), be closer more the centre of a circle of cutter head main part (1), the width of cutter head opening (3) is shorter, keeps away from more the centre of a circle of cutter head main part (1), the width of cutter head opening (3) is longer.