CN213569194U - Cutter transfer device for shield machine - Google Patents

Abstract

The utility model discloses a cutter transfer device for a shield machine, which comprises a transverse moving mechanism, a hoisting mechanism and a cutter storage mechanism, wherein the transverse moving mechanism comprises a main rail and an auxiliary rail, the auxiliary rail is connected to the bottom of the main rail in a sliding manner, the hoisting mechanism is connected to the bottom of the auxiliary rail in a sliding manner, and the cutter storage mechanism is fixed to the bottom of the hoisting mechanism; the cutter containing mechanism comprises a containing frame and a cutter frame, the cutter frame is installed in the containing frame, a cutter fork is fixed to the front end of the cutter frame, a balancing weight is connected to the containing frame in a sliding mode, and the sliding direction of the balancing weight is parallel to the cutter fork. The cutter transfer device for the shield machine is used for transferring cutters, so that the operation is more convenient, the efficiency of cutter transfer can be effectively improved, the safety in the cutter transfer process can be greatly improved, and the dangerous accidents caused by unstable gravity center and sliding in the cutter transfer process are avoided.

Description

Cutter transfer device for shield machine

Technical Field

The utility model relates to a shield constructs the machine field, more specifically relates to a shield constructs machine cutter transfer device.

Background

The basic construction of China is in the period of high-speed development, however, in China, many mountainous regions exist, tunnels are often required to be excavated so as to facilitate the construction of railways or roads, and the application of a shield machine cannot be avoided in the process of excavating the tunnels. The shield constructs the machine in the use, and shield constructs the cutter wearing and tearing of machine seriously, for keeping higher excavation efficiency, need carry out artificial tool changing operation, and shield constructs the cutter of machine usually bulky, and weight is heavier, artifical transport and trouble and danger.

During the existing cutter transportation for the shield machine, a chain block is mostly adopted to drive a cutter frame to lift the cutter. However, a certain horizontal distance exists between the material bin of the shield tunneling machine and the working platform, and a step is arranged at the cabin door of the material bin, so that the tool is difficult to transport by simply using the chain block; and along with the horizontal pulling of chain block, the cutter frame very easily causes the cutter to drop because of the central skew, causes the cutter to damage or injures staff by a crashing object.

Therefore, a cutter transferring device for a shield machine with high reliability is needed to solve the above problems.

Disclosure of Invention

An object of the utility model is to provide a new technical scheme that cutter was transported for the shield constructs machine.

According to a first aspect of the utility model, a cutter transfer device for a shield machine is provided, comprising a transverse moving mechanism, a lifting mechanism and a cutter storage mechanism, wherein the transverse moving mechanism comprises a main rail and an auxiliary rail, the auxiliary rail is connected to the bottom of the main rail in a sliding manner, the lifting mechanism is connected to the bottom of the auxiliary rail in a sliding manner, and the cutter storage mechanism is fixed to the bottom of the lifting mechanism; the cutter containing mechanism comprises a containing frame and a cutter frame, the cutter frame is installed in the containing frame, a cutter fork is fixed to the front end of the cutter frame, a balancing weight is connected to the containing frame in a sliding mode, and the sliding direction of the balancing weight is parallel to the cutter fork.

According to the technical scheme, the main rail is mounted at the top of the material bin, the thickness of the main rail can be matched with the step of the bin door of the material bin, and the auxiliary rail can smoothly extend out of the material bin and extend to the upper side of the working platform; the lifting mechanism can move above the material bin and the working platform along the auxiliary rail and lift the cutter storage mechanism to transport the cutters; the tool rack in the tool containing mechanism extends the tool fork out and retracts the containing frame after the tool is forked, the balance of the tool containing mechanism is kept by adjusting the balancing weight, and the tool falling caused by the inclination in the moving process is avoided.

Preferably, the secondary rail is connected to the primary rail by a first connecting block, the top of the first connecting block is slidably connected to the bottom of the primary rail, and the bottom of the first connecting block is slidably connected to the top of the secondary rail.

Through this scheme, the rightmost side that first connecting block can be followed to the left side of vice rail slides to the main rail to improve cutter receiving mechanism's horizontal displacement distance, make it can stretch into material storehouse bottom and work platform department completely, improve the convenience of cutter transportation.

Preferably, the containing frame comprises two containing cavities, at least one end of each containing cavity is opened, the containing cavities are arranged in a vertically stacked mode, and the cutter frame and the balancing weight are arranged in the containing cavities.

According to the scheme, the two containing cavities can contain the new cutter and the old cutter at the same time, so that the old cutter does not need to be dismounted at the working platform, and the cutter transferring efficiency is greatly improved; the containing cavity of upper and lower range upon range of arrangement can improve the stability of cutter transportation in the axis department of cutter containing mechanism with focus control.

Preferably, the openings of the two receiving cavities face opposite directions, a rotating disc is rotatably connected to the top of the receiving frame, and the top of the rotating disc is fixed to the hoisting mechanism.

Through the scheme, if one cutter is arranged in the cutter accommodating mechanism, in the process that the other cutter frame stretches out to fork and takes the other cutter, the existing cutter can be prevented from sliding out due to the inclination of the cutter accommodating mechanism.

Preferably, be provided with the transportation handle on the cutter frame, be provided with adjustment handle on the balancing weight, transport the handle and adjustment handle all side direction is stretched out accomodate the frame.

Through this scheme, make things convenient for the position control of cutter frame and balancing weight to cutter receiving mechanism's focus position is avoided the slope of cutter receiving mechanism to control.

Preferably, the tool rack includes support body and two driving sprocket, support body sliding connection to in accomodating the frame, the cutter fork is fixed to on the support body, driving sprocket follows the slip direction of support body is arranged, the winding has the chain between the driving sprocket, the both ends of chain are fixed respectively extremely the both ends of support body, the transportation handle is connected to one of them on the driving sprocket.

Through this scheme, the rotation that drive sprocket was controlled to the handle is transported in control to drive the back-and-forth movement of support body, can reach laborsaving effect, avoided sharp transportation in-process hand moreover to need stretch into the problem of inside, the inconvenient operation of shield structure machine.

Preferably, a first rack is fixed to the bottom of the frame body, a second rack parallel to the first rack is fixed to the top of the balancing weight, an intermediate gear is arranged between the first rack and the second rack, and the intermediate gear is matched with the first rack and the second rack.

Through this scheme, tool rest and balancing weight can be in synchronous motion under the cooperation of first rack and second rack, can stretch out or retract in step promptly, guarantee to be located the middle of the cutter receiving mechanism all the time at the in-process focus that the cutter shifted into or shifted out and accomodate the chamber, avoided the inaccurate or complex operation's of manual regulation problem.

Preferably, the support body includes adjustable shelf and mount, mount sliding connection to accomodate on the frame, the adjustable shelf passes through clutch spring elastic connection to on the mount, the cutter fork is fixed extremely on the adjustable shelf, first rack is fixed extremely the adjustable shelf bottom, first rack is located the top of second rack, clutch spring is right all the time the adjustable shelf is applyed and is kept away from intermediate gear's elasticity.

Through this scheme, when not having the cutter on the tool rest, the adjustable shelf breaks away from under clutch spring's the elastic force effect with the meshing of intermediate gear, the adjustable shelf can not be connected with the balancing weight and freely remove, the adjustable shelf of being convenient for stretches out to waiting to get cutter department.

Preferably, the movable frame is located above the fixed frame, a connecting rod is arranged at the bottom of the movable frame, the connecting rod penetrates through the fixed frame and is in sliding connection with the fixed frame, and the first rack is fixed to the connecting rod.

Through this scheme, the adjustable shelf is installed to the mount, and the mount can regard as stop device restriction adjustable shelf's distance of pushing down, and the connecting rod can play the effect of direction to the displacement of adjustable shelf.

Preferably, a guide rod is vertically arranged at the top of the fixed frame, penetrates through the movable frame and is in sliding connection with the movable frame.

Through this scheme, the guide bar can play further guide effect and additional strengthening to the adjustable shelf.

According to an embodiment of the disclosure, the cutter transferring device for the shield machine is used for transferring cutters, so that the operation is more convenient, the efficiency of cutter transferring can be effectively improved, the safety in the cutter transferring process can be greatly improved, and the dangerous accident caused by the unstable gravity center and the sliding in the cutter transferring process is avoided.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is the installation position schematic diagram of the cutter transfer device for the shield machine of the embodiment of the present invention.

Fig. 2 is a schematic structural view of the cutter transfer device for the shield tunneling machine of fig. 1.

Fig. 3 is a schematic structural view of a cutter housing mechanism in the cutter transfer device for a shield machine of fig. 1.

Fig. 4 is a schematic view of the receiving cavity and the tool rack of fig. 3.

Fig. 5 is a schematic sectional view taken along the line a-a in fig. 4.

Fig. 6 is a schematic view of the position structure of the tool carrier of fig. 4 during the operation.

Fig. 7 is a schematic structural view of the shelf body in fig. 4.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Examples

As shown in fig. 1 to 7, the cutter transfer device for a shield machine in the present embodiment includes a traverse mechanism 1100, a hoisting mechanism 1200, and a cutter receiving mechanism 1300, where the traverse mechanism 1100 includes a primary rail 1110 and a secondary rail 1120, the secondary rail 1120 is slidably connected to the bottom of the primary rail 1100, the hoisting mechanism 1200 is slidably connected to the bottom of the secondary rail 1120, and the cutter receiving mechanism 1300 is fixed to the bottom of the hoisting mechanism 1200; the tool receiving mechanism 1300 includes a receiving frame 1310 and a tool rack installed in the receiving frame 1310, a tool fork 1336 is fixed to a front end of the tool rack, a weight block 1340 is slidably connected in the receiving frame 1310, and a sliding direction of the weight block 1340 is parallel to the tool fork 1336.

According to the scheme of the embodiment, the main rail 1110 is installed at the top of the material bin 2000, the thickness of the main rail 1110 can be matched with the step 2100 of the bin door of the material bin, and the auxiliary rail 1120 can smoothly extend out of the material bin 2000 and extend to the upper part of the working platform 3000; the hoisting mechanism 1200 can move above the material bin 2000 and the working platform 3000 along the auxiliary rail 1120, and hoist the cutter accommodating mechanism 1300 to transport the cutter 4000; the tool rack in the tool storage mechanism 1300 moves the tool fork 1336 out and retracts the tool 4000 into the storage frame 1310 after the tool fork is lifted, and the balance of the tool storage mechanism 1300 is kept by adjusting the balancing weight 1340, so that the tool slide caused by the inclination in the moving process is avoided.

The cutter fork 1336 in this embodiment is the same as the existing cutter transport device, and can fork the hob of the shield machine; the lifting mechanism 1200 is, for example, a hoist or a chain block, and can lift and transfer the tool storage mechanism 1300 by a wire rope or a chain.

In this or other embodiments, the secondary rail 1120 is connected to the primary rail 1110 by a first connecting block 1130, the top of the first connecting block 1130 is slidably connected to the bottom of the primary rail 1110, and the bottom of the first connecting block 1130 is slidably connected to the top of the secondary rail 1120; the leftmost side of secondary rail 1120 can slide to the rightmost side of main rail 1110 along first connecting block 1130 to improve cutter receiving mechanism 1300's horizontal displacement distance, make it to stretch into material storehouse 2000 bottom and work platform 3000 department completely, improve the convenience of cutter transportation.

In this embodiment, the main rail 1110 and the sub rail 1120 are, for example, i-shaped steel, the first connecting block 1130 is, for example, a "C" -shaped frame, pulleys are disposed on upper and lower sides of an inner side of the "C" -shaped frame, and the first connecting block 1130 is hooked to wing plates of the i-shaped steel, so as to achieve sliding connection with the i-shaped steel. In other embodiments, the primary rail 1110 and the secondary rail 1120 may be made of channel steel, square steel, etc., and the first connecting block 1130 is slidably connected thereto through rollers.

In this or other embodiments, the receiving frame 1310 includes two receiving cavities 1311, one end of the receiving cavity 1311 is open, and the cutter fork 1336 can extend out of the receiving cavity 1311 through the opening; the storage cavities 1311 are arranged in a stacked manner, the tool rack and the weight block 1340 are arranged in each storage cavity 1311, and the weight block 1340 can slide in a direction away from the opening.

In the traditional process of replacing the cutter, a new cutter needs to be lifted from the material bin 2000 to a cutter changing position, then the new cutter is manually taken down, and after the old cutter is taken down by using a cutter fork, the new cutter is replaced to the shield machine; in the embodiment, the two storage cavities 1311 are arranged in the storage frame 1310, so that a new cutter and an old cutter can be simultaneously stored, the new cutter does not need to be dismounted from the working platform 3000, and the cutter transferring efficiency is greatly improved;

the containing cavities 1311 arranged in an up-and-down stacked manner can control the center of gravity at the central axis of the cutter containing mechanism 1300, and stability of the cutter in the transferring process is improved.

In this embodiment or other embodiments, the openings of the two receiving cavities 1311 face oppositely, and a rotating disc 1312 is rotatably connected to the top of the receiving frame 1310, and the top of the rotating disc 1312 is fixed to the hoisting mechanism 1200. When a tool is already present in the tool-receiving mechanism, the tool-receiving mechanism 1300 may tilt due to the newly-picked tool during the process of extending another tool rack out of the tool fork 1336 to pick another tool, and the arrangement of the openings facing opposite directions can prevent the existing tool 4000 from slipping out due to the tilting of the tool-receiving mechanism.

In this embodiment or other embodiments, a transfer handle 1323 is disposed on the tool rack, an adjusting handle 1343 is disposed on the weight block 1340, and both the transfer handle 1323 and the adjusting handle 1343 laterally extend out of the storage frame 1310. Adjusting the transfer handle 1323 and the adjustment handle 1343 can facilitate the position adjustment of the tool rack and the counterweight 1340, thereby controlling the gravity center position of the tool storage mechanism and avoiding the inclination of the tool storage mechanism.

In this or other embodiments, the tool rack includes a rack body 1330 and two driving sprockets 1321, the rack body 1330 is slidably connected to the receiving frame 1310, the tool fork 1336 is fixed to the rack body 1330, the driving sprockets 1321 are arranged along the sliding direction of the rack body 1330, a chain 1322 is wound between the driving sprockets 1321, two ends of the chain 1322 are respectively fixed to two ends of the rack body 1330, and the transfer handle 1323 is connected to one of the driving sprockets 1321.

Because the position of the working platform 3000 is narrow and needs the cutter fork 1336 to extend into the cutter head to fork the cutter 4000, the transfer handle 1323 is controlled to control the rotation of the driving chain wheel 1321, so that the frame body 1330 is driven to move back and forth, and the problem that the hand needs to extend into the shield machine and is inconvenient to operate in the linear conveying process is solved; and moreover, the size ratio of the transfer handle 1323 and the driving chain wheel 1321 can be adjusted to achieve the effect of saving labor, so that the cutter 4000 can be further conveniently transported.

In this embodiment or other embodiments, a first rack 1331 is fixed at the bottom of the frame body 1330, a second rack 1341 parallel to the first rack 1331 is fixed at the top of the counterweight 1340, an intermediate gear 1342 is disposed between the first rack 1331 and the second rack 1341, and the intermediate gears 1342 are both matched with the first rack 1331 and the second rack 1341.

Frame body 1330 is at the removal in-process, and first rack 1331 can drive intermediate gear 1342 rotatory, and intermediate gear 1342's rotation drives second rack 1341 simultaneous movement, makes cutter fork 1336 and balancing weight 1340 can the simultaneous movement, guarantees to be located cutter containing mechanism 1300 middle throughout at the in-process focus that cutter 4000 moved into or shifted out containing chamber 1311, has avoided the manual regulation inaccurate or complex operation's problem.

In this embodiment or other embodiments, the rack body 1330 includes a movable frame 1333 and a fixed frame 1332, the fixed frame 1332 is slidably connected to the receiving frame 1310, the movable frame 1333 is elastically connected to the fixed frame 1332 through a clutch spring 1335, the cutter fork 1336 is fixed to the movable frame 1333, the first rack 1331 is fixed to the bottom of the movable frame 1333, the first rack 1331 is located above the second rack 1341, and the clutch spring 1335 always applies an elastic force to the movable frame 1333 away from the intermediate gear 1342.

When no tool is present on the tool rack, the movable frame 1333 is disengaged from the intermediate gear 1342 by the elastic force of the clutch spring 1335, and the movable frame 1333 can move freely without being connected with the counterweight 1340, so that the movable frame 1333 extends to the position where the tool is to be taken.

Because the frame body 1330 is light, if the balancing weight 1340 is moved at the same time, the gravity center of the cutter accommodating mechanism 1300 is possibly unstable and inclined, so that the position of the balancing weight 1340 is kept unchanged in the process that the frame body 1330 extends outwards, the position of the cutter accommodating mechanism 1300 can be ensured to be accurate, and the cutter fork 1336 can be conveniently forked on the cutter 4000; after the knife fork 1336 is forked on the knife 4000, the weight block 1340 is manually pulled to the end opposite to the knife fork 1336, and the knife accommodating mechanism 1300 is kept stable because the weight of the knife 4000 is balanced with the weight block 1340; at this time, the movable frame 1333 compresses the clutch spring 1335 under the gravity of the cutter 4000, so that the first rack 1331 is pressed onto the intermediate gear 1342 to be engaged, and when the transfer handle 1323 is rotated, the frame body 1330 and the counterweight 1340 synchronously move towards each other until the storage of the cutter 4000 is completed.

In this embodiment or other embodiments, the movable frame 1333 is located above the fixed frame 1332, a connecting rod 1334 is disposed at the bottom of the movable frame 1333, the connecting rod 1334 penetrates through the fixed frame 1332 and is slidably connected with the fixed frame 1332, the first rack 1331 is fixed to the connecting rod 1334, the movable frame 1333 is mounted on the fixed frame 1332, the fixed frame 1332 can be used as a limiting device to limit the downward pressing distance of the movable frame 1333, and the connecting rod 1334 can guide the displacement of the movable frame 1333.

In this embodiment or other embodiments, a guide rod 1337 is vertically disposed at the top of the fixed frame 1332, and the guide rod 1337 penetrates through the movable frame 1333 and is slidably connected with the movable frame 1333. The guide rod 1337 can further guide and reinforce the movable frame 1333, and the overall stability and reliability of the device are improved.

When the device is used, the lifting mechanism 1200 is controlled to lift the cutter containing mechanism 1300, the cutter containing mechanism 1300 is pushed to a new cutter of the material bin 2000, the rotating handle 1323 is rotated to enable the cutter fork 1336 to extend until the cutter fork is forked into a groove of the cutter 4000, the adjusting handle 1343 is pulled to enable the balancing weight 1340 to reach the bottommost part of the containing cavity 1311, at the moment, the cutter containing mechanism 1300 is inclined and tilts the cutter 4000 due to the effect of the balancing weight 1340, the cutter 4000 is convenient to take down, at the moment, the first rack 1331 is meshed with the intermediate gear 1342, and when the rotating handle 1323 is rotated, the cutter 4000 and the balancing weight 1340 synchronously move and retract into the containing cavity 1311;

the tool storage mechanism 1300 is pulled out of the material bin 2000, at this time, the secondary rail 1120 slides to the upper side of the operation platform 2000 along the main rail 1110, the lifting mechanism 1200 is controlled to move the tool storage mechanism 1300 downwards to the position to be replaced, after the other tool rack is controlled to complete the storage of the old tool, the storage frame 1310 is rotated 180 degrees along the rotating disc 1312, the storage cavity 1311 with the new tool is aligned with the tool seat, the rotating handle 1323 is rotated to extend the tool fork 1336 for tool installation, after the installation, because the movable frame 1333 has no gravity of the tool, the clutch spring 1335 pushes the movable frame 1333 to separate the first rack 1331 from the meshing with the intermediate gear 1342, the counterweight block 1340 is pushed to the intermediate position of the storage frame 1310, and then the tool fork 1336 is retracted, so that the tool replacement is completed.

According to this embodiment, use this cutter transfer device for shield machine to carry out the transportation of cutter, it is not only convenient to operate more, can effectual improvement cutter efficiency of transporting, can also improve the security in the cutter transportation greatly, avoids the dangerous accident that the landing caused because of the focus is unstable in the cutter transportation.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. The cutter transfer device for the shield machine comprises a transverse moving mechanism (1100), a hoisting mechanism (1200) and a cutter containing mechanism (1300), and is characterized in that the transverse moving mechanism (1100) comprises a main rail (1110) and an auxiliary rail (1120), the auxiliary rail (1120) is connected to the bottom of the main rail (1110) in a sliding manner, the hoisting mechanism (1200) is connected to the bottom of the auxiliary rail (1120) in a sliding manner, and the cutter containing mechanism (1300) is fixed to the bottom of the hoisting mechanism (1200); the cutter receiving mechanism (1300) comprises a receiving frame (1310) and a cutter frame, wherein the cutter frame is installed in the receiving frame (1310), a cutter fork (1336) is fixed at the front end of the cutter frame, a balancing weight (1340) is connected in the receiving frame (1310) in a sliding mode, and the sliding direction of the balancing weight (1340) is parallel to the cutter fork (1336).

2. The cutter transfer device for the shield tunneling machine according to claim 1, wherein the secondary rail (1120) is connected to the primary rail (1110) through a first connecting block (1130), the top of the first connecting block (1130) is slidably connected to the bottom of the primary rail (1110), and the bottom of the first connecting block (1130) is slidably connected to the top of the secondary rail (1120).

3. The cutter transfer device for the shield machine according to claim 1, wherein the receiving frame (1310) comprises two receiving cavities (1311), at least one ends of the receiving cavities (1311) are open, the receiving cavities (1311) are arranged in a vertically stacked manner, and the cutter frame and the counterweight block (1340) are arranged in each of the receiving cavities (1311).

4. The cutter transfer device for the shield tunneling machine according to claim 3, wherein the openings of the two receiving cavities (1311) face opposite directions, a rotating disc (1312) is rotatably connected to the top of the receiving frame (1310), and the top of the rotating disc (1312) is fixed to the hoisting mechanism (1200).

5. The cutter transfer device for the shield tunneling machine according to claim 4, wherein a transfer handle (1323) is disposed on the cutter frame, an adjusting handle (1343) is disposed on the counterweight block (1340), and the transfer handle (1323) and the adjusting handle (1343) both laterally extend out of the receiving frame (1310).

6. The cutter transfer device for the shield tunneling machine according to claim 5, wherein the cutter frame includes a frame body (1330) and two driving sprockets (1321), the frame body (1330) is slidably coupled into the receiving frame (1310), the cutter fork (1336) is fixed to the frame body (1330), the driving sprockets (1321) are arranged along a sliding direction of the frame body (1330), a chain (1322) is wound between the driving sprockets (1321), both ends of the chain (1322) are respectively fixed to both ends of the frame body (1330), and the transfer handle (1323) is coupled to one of the driving sprockets (1321).

7. The cutter transfer device for the shield tunneling machine according to claim 6, wherein a first rack (1331) is fixed to the bottom of the frame body (1330), a second rack (1341) parallel to the first rack (1331) is fixed to the top of the counterweight block (1340), an intermediate gear (1342) is arranged between the first rack (1331) and the second rack (1341), and the intermediate gears (1342) are matched with the first rack (1331) and the second rack (1341).

8. The cutter transfer device for the shield tunneling machine according to claim 7, wherein the frame body (1330) comprises a movable frame (1333) and a fixed frame (1332), the fixed frame (1332) is slidably connected to the receiving frame (1310), the movable frame (1333) is elastically connected to the fixed frame (1332) through a clutch spring (1335), the cutter fork (1336) is fixed to the movable frame (1333), the first rack (1331) is fixed to the bottom of the movable frame (1333), the first rack (1331) is located above the second rack (1341), and the clutch spring (1335) always applies an elastic force to the movable frame (1333) away from the intermediate gear (1342).

9. The cutter transfer device for the shield tunneling machine according to claim 8, wherein the movable frame (1333) is located above the fixed frame (1332), a connecting rod (1334) is provided at the bottom of the movable frame (1333), the connecting rod (1334) penetrates through the fixed frame (1332) and is slidably connected with the fixed frame (1332), and the first rack (1331) is fixed to the connecting rod (1334).

10. The cutter transfer device for the shield tunneling machine according to claim 9, wherein a guide rod (1337) is vertically disposed on the top of the fixed frame (1332), and the guide rod (1337) penetrates through the movable frame (1333) and is slidably connected with the movable frame (1333).

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