CN215369850U

CN215369850U - Shield constructs quick-witted hobbing cutter dismouting device

Info

Publication number: CN215369850U
Application number: CN202121757714.9U
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: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-31
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a shield machine hobbing cutter dismounting device, which belongs to the field of machinery and comprises a cutter head (1), wherein the cutter head (1) comprises a cutter holder (11) and a blade (13), and a cutter dismounting device (2) is detachably arranged between the cutter holder (11) and the blade (13). The problem that an existing shield machine hob is complicated to replace manually is solved, a user manually operates the manual rotating device through the arrangement of the cutter disassembling and assembling device to drive the tool support and the tool arm to rotate, the tool arm is matched with the blade to drive the blade to rotate on a vertical surface, the rotation reaches 90 degrees, the blade can leave the cutter holder, and the cutter is pulled out through the hoisting hoist to complete the whole operation process.

Description

Shield constructs quick-witted hobbing cutter dismouting device

Technical Field

The utility model belongs to the field of machinery, and particularly relates to a shield tunneling machine hob dismounting device.

Background

The shield machine is a tunnel boring machine using a shield method, a cutter head is mainly responsible for excavation in the process of shield advancing, so that the phenomenon that a cutter is worn and abraded is difficult to avoid, once the cutter is damaged, a project is greatly influenced, a related technician is required to replace the cutter, the cutter required to be replaced is often a single-edge hob and a double-edge hob, the weights of the two hobs are generally large, the replacement operation of the worker is complex, the worker is required to enter the inside of the cutter head, a bolt is removed, tools such as crowbars and the like are used for detaching the cutter, and then a hoisting hoist is adopted to pull out the cutter.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a shield machine hob dismounting device, which solves the problem that the existing shield machine hob is complicated to replace manually, and through the arrangement of the hob dismounting device, a user manually operates a manual rotating device to drive a tool support and a tool arm to rotate, and through the matching of the tool arm and a blade, the blade is driven to rotate on a vertical surface and rotate to 90 degrees, the blade can leave a cutter holder, and then is pulled out of the cutter head through a hoisting hoist to complete a whole operation flow.

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

the utility model provides a shield constructs quick-witted hobbing cutter dismouting device, includes the blade disc, the blade disc includes blade holder and blade, can dismantle between blade holder and the blade and be equipped with cutter dismouting device.

Further, the tool disassembling and assembling device comprises a tool support, tool arms and a manual rotating device, the manual rotating device is fixedly installed on one side of the tool support, the tool arms are respectively arranged at two ends of one side, opposite to the manual rotating device, of the tool support, and the tool arms are inserted into the cutter holder and close to the blade.

Furthermore, the blades are in a group, and the tool arm is inserted into the seam allowance position of the tool apron.

Preferably, the tool arm comprises a first connecting block and a bolt, one end of the first connecting block is fixedly connected with the tool support, and the bolt penetrates through the first connecting block and extends out.

Preferably, the first connecting block is a cube or a cylinder.

Preferably, the manual rotating device comprises a second connecting block and a handheld rod, the second connecting block is fixedly connected with the tool support, the handheld rod is fixedly arranged on the second connecting block, and the handheld rod is perpendicular to the tool support.

Preferably, the second connecting blocks are two in number and arranged in parallel.

Furthermore, the blades can be also two groups, and the tool arm is inserted between the two groups of blades.

Preferably, the tool support is a U-shaped groove, the middle position in the U-shaped groove of the tool support is fixedly provided with the manual rotating device, the tool arm is composed of two groups of equilateral triangular plates, and the bottom edges of the triangular plates are in contact with the tool support.

Preferably, manual rotary device includes fixed block and cylindricality pole, the fixed block is fixed to be set up the U type inslot intermediate position of frock support, the cylindricality pole with fixed block fixed connection to the cylindricality pole with the direction in the U type groove of frock support is unanimous.

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

1. The utility model is convenient for effectively operating, improves the working efficiency and ensures that the tool changing is simpler and more convenient;

2. the cutter changing device has smaller requirement on physical strength, does not need multiple persons to cooperate to change the cutter in the cutter head, and saves space.

3. The utility model has simple manufacture, does not need complicated processing, is convenient for popularization and utilization and has higher practicability.

Drawings

FIG. 1 (a) is an overall schematic view of the single-edged hob and the cutter assembly and disassembly according to the present invention;

FIG. 1 (b) is an overall schematic view of the double-edged hob and the tool of the present invention;

FIG. 2 is a schematic view of the cutter mounting and dismounting device of the single-edged hob of the present invention;

FIG. 3 is a schematic view of the device for mounting and dismounting the cutting tools of the double-edged hob according to the present invention;

1-cutter head, 11-cutter seat, 12-spigot, 13-blade, 2-cutter dismounting device, 21-tool support, 22-tool arm, 23-manual rotating device, 221 a-first connecting block, 222 a-bolt, 231 a-second connecting block, 232 a-handheld rod, 221 b-fixing block, 222 b-cylindrical rod and 231 b-triangular plate.

Detailed Description

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

Example 1

As shown in figure 1, the shield machine hobbing cutter dismounting device comprises a cutter head 1, wherein the cutter head 1 comprises a cutter holder 11 and a blade 13, and a cutter dismounting device 2 is detachably arranged between the cutter holder 11 and the blade 13.

Further, the tool disassembling and assembling device 2 comprises a tool support 21, a tool arm 22 and a manual rotating device 23, the manual rotating device 23 is fixedly installed on one side of the tool support 21, the tool arm 22 is respectively arranged at two ends of one side of the tool support 21 opposite to the manual rotating device 23, and the tool arm 22 is inserted into the tool apron 11 and close to the blade 13.

Example 2

Example 2 differs from example 1 only in that: the specific structure of the cutter dismounting device of the single-edge hob is provided.

Specifically, as shown in fig. 2, the blades 13 are grouped, and the tool arm 22 is inserted into the seam allowance 12 of the tool holder 11.

Preferably, the tooling arm 22 includes a first connecting block 221a and a bolt 222a, one end of the first connecting block 221a is fixedly connected to the tooling support 21, and the bolt 222a passes through the first connecting block 221a and extends out.

Preferably, the first connection block 221a is a cube or a cylinder.

Preferably, the manual rotation device 23 includes a second connection block 231a and a hand-held rod 232a, the second connection block 231a is fixedly connected to the tool holder 21, the hand-held rod 232a is fixedly disposed on the second connection block 231a, and the hand-held rod 232a is perpendicular to the tool holder 21.

Preferably, the second connection block 231a has two, and is arranged in parallel.

At this time, the tool holder 21 is made of square steel,

example 3

Example 3 differs from example 1 only in that: the specific structure of the cutter dismounting device of the double-edged hob is provided.

Specifically, as shown in fig. 3, the number of the blades 13 may be two, and the tool arm 22 is inserted between the two sets of the blades 13.

Preferably, the tool support 21 is a U-shaped groove, the middle position in the U-shaped groove of the tool support 21 is fixedly provided with the manual rotating device 23, the tool arm 22 is composed of two sets of equilateral triangular plates 231b, and the bottom edges of the triangular plates 231b are in contact with the tool support 21.

Preferably, the manual rotation device 23 includes a fixing block 221b and a cylindrical rod 222b, the fixing block 221b is fixedly disposed at a middle position in a U-shaped groove of the tool holder 21, the cylindrical rod 222b is fixedly connected to the fixing block 221b, and the direction of the cylindrical rod 222b is the same as that of the U-shaped groove of the tool holder 21.

At this time, the tool support 21 is made of square steel, the triangular plate 231b is made of a plate material and welded to the tool support 21, and the tool arm is also welded to the tool support 21.

In the tunneling process of the shield tunneling machine, once the shield tunneling machine needs to be changed, workers need to ensure safety on the tunnel face, and then the shield tunneling machine needs to be changed inside the cutter head 1.

The installation method comprises the following steps: the anti-rotation block behind the cutter head 1 is detached, the cutter detaching device 2 of the double-edged hob can be directly inserted between blades of the double-edged hob, the cutter detaching device 2 of the single-edged hob needs to insert the tool arm 22 into the seam allowance 12 of the hob and the anti-rotation block, then the bolt 222a is screwed into the cutter head 1 to be connected in a reinforcing mode, the tool arm 22 is clamped, the blade 13 is driven to rotate, in order to achieve the purpose of labor saving, a section of section bar can be sleeved at the steel pipe at the rear side of the cutter detaching device 2, the effect of prolonging the force arm is achieved, and the blade 13 can be easily rotated. After the blade 13 is rotated to the right position, the blade 13 is transversely pulled out by using a hoisting hoist, and the aim of disassembling the blade 13 can be fulfilled.

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. The utility model provides a shield constructs quick-witted hobbing cutter dismouting device which characterized in that: including blade disc (1), blade disc (1) includes blade holder (11) and blade (13), can dismantle between blade holder (11) and blade (13) and be equipped with cutter dismouting device (2), cutter dismouting device (2) are including frock support (21), frock arm (22) and manual rotary device (23), one side of frock support (21) is fixed to be equipped with manual rotary device (23), on frock support (21) with one side both ends that manual rotary device (23) are relative are equipped with frock arm (22) respectively, frock arm (22) are pegged graft and are in be close to in blade holder (11) the position of blade (13).

2. The shield tunneling machine hob dismounting device according to claim 1, characterized in that: the cutter comprises a cutter holder (11), wherein the cutter blades (13) are in a group, and the tool arm (22) is inserted into a spigot (12) of the cutter holder (11).

3. The shield tunneling machine hob dismounting device according to claim 2, characterized in that: the tool arm (22) comprises a first connecting block (221 a) and a bolt (222 a), one end of the first connecting block (221 a) is fixedly connected with the tool support (21), and the bolt (222 a) penetrates through the first connecting block (221 a) and extends out.

4. The shield tunneling machine hob dismounting device according to claim 3, characterized in that: the first connection block (221 a) is a cube or a cylinder.

5. The shield tunneling machine hob dismounting device according to claim 2, characterized in that: the manual rotating device (23) comprises a second connecting block (231 a) and a handheld rod (232 a), the second connecting block (231 a) is fixedly connected with the tool support (21), the handheld rod (232 a) is fixedly arranged on the second connecting block (231 a), and the handheld rod (232 a) is perpendicular to the tool support (21).

6. The shield tunneling machine hob dismounting device according to claim 5, characterized in that: the second connection blocks (231 a) are two in number and arranged in parallel.

7. The shield tunneling machine hob dismounting device according to claim 1, characterized in that: the cutter is characterized in that the number of the blades (13) is two, and the tool arm (22) is inserted between the two blades (13).

8. The shield tunneling machine hob dismounting device according to claim 7, characterized in that: frock support (21) are U type groove, the fixed being equipped with of U type inslot intermediate position of frock support (21) manual rotary device (23), frock arm (22) comprise two sets of equilateral set squares (231 b), the base of set square (231 b) with frock support (21) contact.

9. The shield tunneling machine hob dismounting device according to claim 8, characterized in that: the manual rotating device (23) comprises a fixing block (221 b) and a cylindrical rod (222 b), the fixing block (221 b) is fixedly arranged at the middle position in a U-shaped groove of the tool support (21), the cylindrical rod (222 b) is fixedly connected with the fixing block (221 b), and the direction of the cylindrical rod (222 b) is consistent with that of the U-shaped groove of the tool support (21).