CN212054702U

CN212054702U - Shield cutter

Info

Publication number: CN212054702U
Application number: CN202020772819.0U
Authority: CN
Inventors: 李子杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-01
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a shield cutter, which belongs to the technical field of ground drop tunnels and comprises a cutter body, wherein the cutter body comprises a first cutter disc and a second cutter disc, the convex end of the first cutter disc is positioned in a mounting groove formed in the right side surface of the second cutter disc, the first cutter disc is provided with a plurality of slots communicated with the mounting groove, blades are arranged in the slots, a clamping mechanism is arranged in the cutter body, two fixed columns are arranged on the right side surface of the first cutter disc, and a mounting seat is arranged at one end, away from the first cutter disc, of each fixed column; the cutter body is formed by arranging the first cutter disc and the second cutter disc, the rotating shaft is utilized to rotate to drive the fixing plate to rotate, the fixing plate can drive the rotating rod to synchronously rotate to drive the clamping rod to be clamped into the clamping groove on the blade when rotating, the blade is installed on the cutter body, the fixing stability is good, the operation is convenient, the cutter body and the cutter body can be detached only by rotating the rotating shaft when the blade is broken in the subway tunnel construction process, and the structure is simple.

Description

Shield cutter

Technical Field

The utility model belongs to the technical field of the ground falls tunnel, concretely relates to shield constructs cutter.

Background

With the rapid development of modern cities, the effective utilization rate of space on the ground is greatly reduced, so more and more cities begin to develop underground, underground structures such as tunnels and subways are widely popularized, and the shield tunneling machine is a tunnel tunneling machine using a shield method, the shield construction method is a tunnel shield constructed by the tunneling machine while tunneling, and is different from an open construction method.

The mounting mode of the upper blade of the existing shield cutter is mostly directly welded on the cutter body, the cutter head is required to be integrally disassembled and replaced when the blade is worn or even broken during long-time running and digging, the replacement is inconvenient, the input cost is increased, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs cutter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shield constructs cutter, includes the cutter body, the cutter body includes blade disc one and blade disc two, the protruding one end of blade disc one is located the mounting groove that blade disc two right sides were seted up, set up the slot that a plurality of and mounting groove are linked together on the blade disc one, the inside of slot is provided with the blade, cutter body internally mounted has the solid mechanism of card, two fixed columns are installed to the right flank of blade disc one, the one end that blade disc one was kept away from to the fixed column is installed the mount pad.

Adopt above-mentioned scheme, constitute the cutter body through setting up blade disc one and blade disc two, and utilize the pivot to rotate and drive the fixed plate and rotate, can drive the synchronous rotation of bull stick when the fixed plate rotates and drive the draw-in groove that the kelly card was gone into to the blade, realize that the blade is installed on the cutter body, the fixed stability is good, high durability and convenient operation, only need rotate the pivot and just can realize dismantling between blade and the cutter body when the blade breaks in subway tunnel work progress, moreover, the steam generator is simple in structure, through setting up the tooth on the blade, can be through tooth at first with the contact of tunnel operation face when subway tunnel construction, and then can follow the point to the face and carry out the shield construction operation, effectively avoid the blade direct and the operation face.

As a preferred embodiment, the clamping mechanism comprises a rotating shaft, a fixing plate, a rotating rod and a clamping rod, the left end of the rotating shaft is rotatably connected with the inner side wall of the mounting groove, the fixing plate is fixedly connected to the outer surface of the rotating shaft, the rotating rod is welded on the fixing plate, the number of the rotating rods is the same as the number of the slots, two clamping rods are mounted on the surface of the rotating rod, and the blade is provided with a clamping groove matched with the clamping rods.

By adopting the scheme, the rotating shaft is utilized to rotate to drive the fixing plate to rotate, the fixing plate can drive the rotating rod to rotate when rotating, so that the rotating rod can drive the clamping rod to synchronously rotate, the clamping rod is clamped into the clamping groove on the blade, the fixed mounting of the blade is realized, the blade is convenient to operate, fix and disassemble, and the structure is simple.

As a preferred embodiment, the second cutter head is fixedly connected to the outer surface of the rotating shaft, an operating plate is mounted at the right end of the rotating shaft, and the operating plate is fixedly connected with the mounting seat through bolts.

By adopting the scheme, the operation plate and the mounting seat are connected through the bolts, so that the rotating shaft is fixed, the rotating shaft is fixed after the blade is fixed, and the phenomenon that the blade is loosened during shield operation is avoided.

As a preferred embodiment, an opening is formed in the second cutter head, and the fixing column penetrates through the opening and extends to the right side of the second cutter head.

By adopting the scheme, the opening is formed in the second cutter head, so that the second cutter head cannot be blocked by the fixed column when rotating along with the rotating shaft when the blade is operated, installed or detached, and smooth operation and high stability of the operation process are guaranteed.

As a preferred embodiment, the outer surface of the protruding end of the cutter head is in an annular array and is provided with a plurality of universal balls, the universal balls are connected to the inner side wall of the wheel groove in a rolling mode, and the wheel groove is formed in the inner side wall of the mounting groove.

By adopting the scheme, the universal ball can be driven to roll in the wheel groove when the second cutter head rotates along with the rotating shaft through the arrangement of the universal ball, so that the second cutter head and the first cutter head cannot be separated when rotating.

As a preferred embodiment, a rubber sealing ring is bonded to the outer surface of the protruding end of the cutter head two, and the left side surface of the rubber sealing ring is attached to the right side surface of the cutter head one.

By adopting the scheme, the first cutter head and the second cutter head are tightly attached by utilizing the arrangement of the rubber sealing ring, the good sealing characteristic is ensured, and external soil and the like are prevented from entering the cutter body when the shield is in operation.

In a preferred embodiment, the working surface of the blade is provided with a plurality of teeth.

By adopting the scheme, the arrangement of the teeth is utilized to increase the contact surface of the blade with soil on the operation surface in the operation process, so that the digging efficiency is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

the shield cutter comprises a cutter body consisting of a cutter head I and a cutter head II, and a fixed plate is driven to rotate by rotating a rotating shaft, when the fixed plate rotates, the fixed plate can drive a rotating rod to synchronously rotate to drive a clamping rod to be clamped into a clamping groove on a blade, so that the blade is mounted on the cutter body, the fixing stability is good, the operation is convenient, when the blade is broken in the construction process of a subway tunnel, the blade and the cutter body can be dismounted only by rotating the rotating shaft, and the structure is simple;

this shield constructs cutter through setting up the tooth on the blade, can be through tooth at first with the contact of tunnel operation face during subway tunnel construction, and then can carry out the shield construction operation from the point to the face, effectively avoid the blade directly with the operation face contact and the phenomenon of difficult excavation.

Drawings

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

FIG. 2 is a schematic structural view of a front view section of the present invention;

FIG. 3 is a schematic structural view of the cutter head of the present invention viewed from the right;

fig. 4 is a schematic structural view of the blade of the present invention;

fig. 5 is a schematic structural diagram of the cutter head ii of the present invention.

In the figure: 1. a cutter body; 1001. a first cutter head; 1002. a cutter head II; 2. a slot; 3. a blade; 4. a clamping mechanism; 4001. a rotating shaft; 4002. a fixing plate; 4003. a rotating rod; 4004. a clamping rod; 4005. an operation panel; 4006. a bolt; 5. fixing a column; 6. a mounting seat; 7. a card slot; 8. a universal ball; 9. a wheel groove; 10. teeth; 11. a rubber seal ring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the utility model provides a shield cutter, which comprises a cutter body 1, wherein the cutter body 1 comprises a first cutter head 1001 and a second cutter head 1002, the protruding end of the first cutter head 1001 is positioned in a mounting groove formed on the right side surface of the second cutter head 1002, the outer surface of the protruding end of the second cutter head 1002 is provided with a plurality of universal balls 8 in an annular array, the universal balls 8 are connected with the inner side wall of a wheel groove 9 in a rolling manner, and the wheel groove 9 is formed on the inner side wall of the mounting groove (see fig. 2, 3 and 5); through the arrangement of the universal ball 8, when the second cutter head 1002 rotates along with the rotating shaft 4001, the universal ball 8 can be driven to roll in the wheel groove 9, so that the second cutter head 1002 and the first cutter head 1001 cannot be separated during rotation.

The outer surface of the protruding end of the cutter head II 1002 is bonded with a rubber sealing ring 11, and the left side surface of the rubber sealing ring 11 is attached to the right side surface of the cutter head I1001 (see the figure 1, the figure 2 and the figure 5); the first cutter head 1001 and the second cutter head 1002 are tightly attached by the aid of the rubber sealing ring 11, good sealing characteristics are guaranteed, and external soil and the like are prevented from entering the cutter body 1 during shield operation.

A plurality of slots 2 communicated with the mounting groove are formed in the cutter head I1001, blades 3 are arranged in the slots 2, and a plurality of teeth 10 (see fig. 1, 2 and 4) are mounted on the working surface of each blade 3; the arrangement of the teeth 10 enables the blade 3 to increase the contact surface with soil at the working surface during the working process, thereby improving the digging efficiency.

A clamping mechanism 4 is arranged in the cutter body 1, the clamping mechanism 4 comprises a rotating shaft 4001, a fixing plate 4002, a rotating rod 4003 and a clamping rod 4004, the left end of the rotating shaft 4001 is rotatably connected with the inner side wall of the mounting groove, the fixing plate 4002 is fixedly connected with the outer surface of the rotating shaft 4001, the rotating rod 4003 is welded on the fixing plate 4002, the number of the rotating rods 4003 is the same as that of the slots 2, two clamping rods 4004 are arranged on the surface of the rotating rod 4003, and a clamping groove 7 (see fig. 1, 2, 3 and 5) matched with the clamping rods 4004 is formed in the blade 3; utilize pivot 4001's rotation to drive fixed plate 4002 and rotate, can drive bull stick 4003 when fixed plate 4002 rotates and rotate to make bull stick 4003 rotate and can drive kelly 4004 and rotate in the draw-in groove 7 of card income on blade 3 in step, realize the fixed mounting to blade 3, and be convenient for operate fixed and dismantlement, simple structure to blade 3.

The second cutter disc 1002 is fixedly connected to the outer surface of the rotating shaft 4001, an operating plate 4005 is installed at the right end of the rotating shaft 4001, and the operating plate 4005 is fixedly connected with the mounting seat 6 through a bolt 4006 (see fig. 1, 2 and 5); connect operation panel 4005 and mount pad 6 through bolt 4006, realize fixing countershaft 4001 to fix countershaft 4001 after fixing blade 3, blade 3 takes place not hard up phenomenon when avoiding shield structure operation.

Two fixing columns 5 are mounted on the right side face of the first cutter head 1001, a mounting seat 6 is mounted at one end, away from the first cutter head 1001, of each fixing column 5, an opening is formed in the second cutter head 1002, and each fixing column 5 penetrates through the opening to extend to the right side of the second cutter head 1002 (see fig. 1 and 5); through opening some on blade disc two 1002 for blade disc two 1002 can not receive the hindrance of fixed column 5 when following pivot 4001 and rotating when carrying out the operation installation or dismantling to blade 3, guarantee going on smoothly and high stability of operation process.

When the tool is used, the blade 3 is firstly inserted into the slot 2 when the blade 3 is installed, the rotating shaft 4001 and the operating plate 4005 drive the rotating shaft 4001 to rotate, the rotating shaft 4001 can drive the fixing plate 4002 to rotate when rotating, the fixing plate 4002 drives the clamping rod 4004 to rotate synchronously through the rotating rod 4003, the clamping rod 4004 is clamped into the clamping groove 7 on the blade 3, the blade 3 can be clamped and fixed, then the bolt 4006 is screwed in to fix the mounting seat 6 and the operating plate 4005, the bolt 4006 is screwed out when the damaged blade 3 needs to be disassembled, the rotating shaft 4001 is rotated reversely, the rotating shaft 4001 drives the clamping rod 4004 to be separated from the clamping groove 7 through the fixing plate 4002 and the rotating rod 4003, the clamping and fixing of the blade 3 are released, the blade 3 can be taken down, the tooth 10 on the blade 3 is firstly contacted with an operation surface when the subway shield operation is carried out, the operation is carried out from the tooth point.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shield constructs cutter, includes cutter body (1), its characterized in that: cutter body (1) includes blade disc one (1001) and blade disc two (1002), the protruding one end of blade disc one (1001) is located the mounting groove that blade disc two (1002) right flank was seted up, slot (2) that a plurality of and mounting groove are linked together are seted up on blade disc one (1001), the inside of slot (2) is provided with blade (3), cutter body (1) internally mounted has solid mechanism of card (4), two fixed columns (5) are installed to the right flank of blade disc one (1001), mount pad (6) are installed to the one end that blade disc (1001) was kept away from in fixed column (5).

2. The shield cutter of claim 1, wherein: the clamping mechanism (4) comprises a rotating shaft (4001), a fixing plate (4002), a rotating rod (4003) and a clamping rod (4004), the left end of the rotating shaft (4001) is rotatably connected with the inner side wall of the installation groove, the fixing plate (4002) is fixedly connected to the outer surface of the rotating shaft (4001), the rotating rod (4003) is welded on the fixing plate (4002), the number of the rotating rod (4003) is the same as that of the slots (2), two clamping rods (4004) are mounted on the surface of the rotating rod (4003), and clamping grooves (7) matched with the clamping rods (4004) are formed in the blade (3).

3. The shield cutter of claim 2, wherein: the cutter head II (1002) is fixedly connected to the outer surface of the rotating shaft (4001), an operating plate (4005) is installed at the right end of the rotating shaft (4001), and the operating plate (4005) is fixedly connected with the mounting seat (6) through a bolt (4006).

4. The shield cutter of claim 1, wherein: an opening is formed in the second cutter head (1002), and the fixing column (5) penetrates through the opening to extend to the right side of the second cutter head (1002).

5. The shield cutter of claim 1, wherein: the outer surface of the protruding one end of the cutter head II (1002) is in an annular array and is provided with a plurality of universal balls (8), the universal balls (8) are connected to the inner side wall of the wheel groove (9) in a rolling mode, and the inner side wall of the mounting groove is formed in the wheel groove (9).

6. The shield cutter of claim 1, wherein: the outer surface of the protruding end of the cutter head II (1002) is bonded with a rubber sealing ring (11), and the left side surface of the rubber sealing ring (11) is attached to the right side surface of the cutter head I (1001).

7. The shield cutter of claim 1, wherein: a plurality of teeth (10) are arranged on the working surface of the blade (3).