CN216336173U

CN216336173U - Shield constructs machine cutter hoisting structure

Info

Publication number: CN216336173U
Application number: CN202122750390.2U
Authority: CN
Inventors: 谭德文; 俞迎建
Original assignee: Hunan Detiandun Construction Machine Tool Co ltd
Current assignee: Hunan Detiandun Construction Machine Tool Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a shield tunneling machine cutter hoisting structure which comprises a hoisting rod, two U-shaped frames and a control panel, wherein the two U-shaped frames are arranged at the lower end of the hoisting rod, mounting seats are arranged in two supporting legs of the U-shaped frames and are connected with the U-shaped frames through electric push rods, the upper end and the lower end of each mounting seat are fixedly connected with a support, rectangular openings are formed in the side walls of the two supports in a penetrating mode, the inner walls of the two rectangular openings are rotatably connected with two transmission rods, and a driving motor connected with the transmission rods is fixedly connected to the side walls of the supports. According to the utility model, the driving motor drives the two clamping plates to fix the cutter, so that the two U-shaped frames are respectively used for fixing an old cutter and a new cutter, after the old cutter is fixed by one of the U-shaped frames, the old cutter is detached, the other U-shaped frame is aligned to the cutter head by directly rotating the U-shaped frame, the new cutter is conveniently and rapidly installed, and the time for detaching and installing the cutter on the clamp is further saved.

Description

Shield constructs machine cutter hoisting structure

Technical Field

The utility model relates to the technical field of shield machine accessories, in particular to a shield machine cutter hoisting structure.

Background

The shield machine is a tunnel boring machine using a shield method, the shield method is that a shield which is used for constructing and laying a tunnel is a supporting segment while the boring machine is boring, a cutter on the shield machine is a wear part, after the shield machine is used for a period of time, the cutter is seriously worn, and the cutter needs to be replaced so as to continuously keep the shield machine in a good working state.

However, when the cutter is replaced, the clamp is moved to one side of the old cutter by using a hanger rod which is arranged on the shield machine, the old cutter is taken down from a cutter head of the shield machine by using the clamp, the old cutter is loosened, and the new cutter is moved to the cutter head by using the clamp for installation, so that the time consumption of the whole process is long, the cutter changing personnel in the cutter changing process of the shield machine is carried out under the normal pressure condition, the mud sump generally has higher pressure, and the danger condition is easy to occur, so the cutter changing process needs to be completed in as short time as possible.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a shield tunneling machine cutter hoisting structure.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a shield constructs machine cutter hoisting structure, includes jib and two U-shaped framves and control panel, be equipped with the PLC controller in the control panel, two the U-shaped frame all sets up the lower extreme at the jib, be equipped with the mount pad in two landing legs of U-shaped frame, the mount pad passes through electric putter with the U-shaped frame and is connected, the equal fixedly connected with support in upper and lower both ends of mount pad, two all run through on the lateral wall of support and seted up the rectangle opening, and two rectangle open-ended inner walls all rotate and be connected with two transfer lines, fixedly connected with is connected with driving motor with the transfer line on the lateral wall of support, and two transfer lines pass through the lazytongs and connect, rectangle open-ended inner wall rotates and is connected with two splint of being connected with the transfer line.

Preferably, the inner walls of the two supporting legs of the U-shaped frame are provided with strip-shaped grooves, and the inner walls of the two strip-shaped grooves are connected with limiting blocks fixed with the mounting seat in a sliding mode.

Preferably, the two U-shaped frames are in a cross shape, and the cross point of the two U-shaped frames is rotatably connected with the lower end of the hanging rod.

Preferably, the lazytongs is including running through the bar hole of seting up in the mount pad, and the rectangle opening on bar hole and two supports all communicates the setting, two all fixed band pulleys that have cup jointed on the lateral wall of transfer line, and two band pulleys pass through the drive belt and connect.

Preferably, one end of the transmission rod is fixedly connected with a worm, worm wheels meshed with the worm are arranged on the left side and the right side of the worm, and the two clamping plates are fixedly connected with the two worm wheels respectively.

Preferably, two splint are the arc structure, and two splint set up relatively, two equal fixedly connected with a plurality of anti-skidding cushion on the relative lateral wall of splint.

Compared with the prior art, the utility model has the beneficial effects that: the U-shaped frame, the driving motor and the clamping plates are matched for use, so that the effect of fixing the cutter by driving the two clamping plates through the driving motor is achieved, the two U-shaped frames are favorable for fixing an old cutter and a new cutter respectively, the old cutter is detached after one of the U-shaped frames is fixed, the U-shaped frame is directly rotated to align the other U-shaped frame to the cutter head, the new cutter is convenient to install quickly, and the time consumed by detaching the cutter on the clamp is saved.

Drawings

Fig. 1 is a schematic view of a first viewing angle structure according to the present invention.

Fig. 2 is a schematic view of a second viewing angle structure according to the present invention.

Fig. 3 is a schematic view of a partial structure according to the present invention.

Fig. 4 is a schematic cross-sectional view of a stent according to the present invention.

In the figure: 1 suspender, 2U-shaped frame, 3 control panel, 4 mount pads, 5 electric push rods, 6 supports, 7 transmission rods, 8 driving motors, 9 clamping plates, 10 strip-shaped grooves, 11 limiting blocks, 12 belt wheels, 13 driving belts, 14 worms, 15 worm wheels, 16 anti-skid rubber pads and 17 handrails.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a shield tunneling machine cutter hoisting structure comprises a hoisting rod 1, two U-shaped frames 2 and a control panel 3, wherein a PLC controller is arranged in the control panel 3, the PLC controller is the same as the existing S7-200CN type PLC controller, the two U-shaped frames 2 are both arranged at the lower end of the hoisting rod 1, the two U-shaped frames 2 are in a cross shape, the intersection point of the two U-shaped frames 2 is rotationally connected with the lower end of the suspension rod 1, the side wall of the intersection of the two U-shaped frames 2 is fixedly connected with a handrail 17, the control panel 3 is fixedly connected on the side wall of the handrail 17, the control panel 3 is connected with the electric push rod 5 and the two driving motors 8, and the staff can work through the control panel 3 on the handrail 17, the working states of the electric push rod 5 and the two driving motors 5 can be controlled, the mounting seats 4 are arranged in the two supporting legs of the U-shaped frame 2, and the mounting seats 4 are of rectangular structures.

When the tool is used, a worker holds the handrails 17, rotates the handrails 17 to enable one of the U-shaped frames 2 to be aligned with a new tool, starts the electric push rod 5 to drive the mounting seat 4 to move outwards, starts the driving motor 8 to enable the transmission rod 7 to rotate when the mounting seat 4 drives the two groups of clamping plates 9 to move to the outer side of the new tool, then enables the electric push rod 17 to enable the other U-shaped frame 2 to be aligned with an old tool, repeats the steps to fix the old tool in the U-shaped frame 2, starts the electric push rod 5 to withdraw the old tool into the U-shaped frame 2 after the old tool is disassembled, rotates the handrails 17 to enable the new tool to be aligned with a tool pan, so that the new tool is convenient to install, the inner walls of two supporting legs of the U-shaped frames 2 are respectively provided with the strip-shaped grooves 10, the inner walls of the two strip-shaped grooves 10 are respectively connected with the limiting blocks 11 fixed with the mounting seat 4 in a sliding manner, and the effect that the limiting blocks 11 on the two sides of the mounting seat 4 are respectively connected with the two strip-shaped grooves 10 in a sliding manner, the weight borne by the mounting seat 4 is favorably shared 2 to the U-shaped frame 2, so that the bearing capacity of the U-shaped frame 1 is improved.

The mounting seat 4 is connected with the U-shaped frame 2 through an electric push rod 5, one end of the electric push rod 5 is fixedly connected with the inner wall of the U-shaped frame 2, the output end of the electric push rod 5 is fixedly connected with the mounting seat 4, a worker starts the electric push rod 5 through a control panel 3 to enable the electric push rod 5 to drive the mounting seat 4 to move outwards or inwards, the upper end and the lower end of the mounting seat 4 are fixedly connected with a support 6, the support 6 is of an L-shaped structure, rectangular openings are formed in the side walls of the two support 6 in a penetrating mode, the inner walls of the two rectangular openings are rotatably connected with two transmission rods 7, a driving motor 8 connected with the transmission rods 7 is fixedly connected onto the side walls of the support 6, the driving motor 8 is the same as an existing servo motor, the worker starts the driving motor 8 to rotate forwards or backwards through the control panel 3, when a new cutter is mounted, the driving motor 8 can be started to overturn to enable the two clamping plates 9 to move backwards, the old cutter is dismounted, the clamping is convenient to carry out again, the time consumed by dismounting and mounting the cutter on the clamp is further saved, and the two transmission rods 7 are connected through the synchronous mechanism.

The synchronous mechanism comprises a strip-shaped hole penetrating through the mounting seat 4, the strip-shaped hole is communicated with rectangular openings on the two brackets 6, belt wheels 12 are fixedly sleeved on the side walls of the two transmission rods 7, the two belt wheels 12 are connected through a transmission belt 13, when a driving motor 8 drives one of the transmission rods 7 to rotate, the belt wheel 12 on the side wall of one transmission rod 7 is connected with the belt wheel 12 on the side wall of the other transmission rod 7 through the transmission rod 13, so that the two transmission rods 7 synchronously rotate, the inner wall of the rectangular opening is rotatably connected with the two clamping plates 9 connected with the transmission rods 7, one end of the transmission rod 7 is fixedly connected with a worm 14, the left side and the right side of the worm 14 are respectively provided with worm wheels 15 meshed and connected with the worm wheels 9, the transmission rods 7 rotate to drive the worm 14 to rotate, and the worm 14 drives the two worm wheels 15 to simultaneously rotate, thereby make two splint 9 of striding fix the cutter, two splint 9 are the arc structure, and two splint 9 set up relatively, and a plurality of anti-skidding cushion 16 of equal fixedly connected with on the relative lateral wall of two splint 9, when splint 9 and cutter contact, have improved the frictional force of splint 9 with the cutter through a plurality of anti-skidding cushion 16, avoid the condition that the landing appears in the cutter.

The working principle of the utility model is that when the utility model is used, a worker holds the handrail 17, rotates the handrail 17 to align one of the U-shaped frames 2 with a new cutter, starts the electric push rod 5 to drive the mounting seat 4 to move outwards, when the mounting seat 4 drives the two groups of clamping plates 9 to move to the outer side of the new cutter, starts the driving motor 8 to drive the driving rods 7 to rotate, the two driving rods 7 synchronously rotate under the action of the driving belt 13, the driving rods 7 drive the worm 15 to rotate, the worm 14 drives the worm gears 15 on the two sides of the worm gears 15 to rotate, so that the two worm gears 15 respectively drive one clamping plate 9 to rotate oppositely to fix the new cutter, then rotates the handrail 17 to align the other U-shaped frame 2 with the old cutter, repeats the steps to fix the old cutter in the U-shaped frame 2, after the old cutter is detached, starts the electric push rod 5 to withdraw the old cutter into the U-shaped frame 2 to rotate the handrail 17 again to align the new cutter with the cutter, the novel cutter is convenient to install, when the novel cutter is installed, the driving motor 8 can be started to turn over, the two clamping plates 9 move back to back, the old cutter is detached, the clamping is convenient to take again, and time consumed by detaching the cutter on the clamp and then installing the cutter is saved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A hoisting structure of a shield machine cutter comprises a suspender (1), two U-shaped frames (2) and a control panel (3), wherein a PLC controller is arranged in the control panel (3), and the hoisting structure is characterized in that the two U-shaped frames (2) are arranged at the lower end of the suspender (1), mounting seats (4) are arranged in two supporting legs of the U-shaped frames (2), the mounting seats (4) are connected with the U-shaped frames (2) through electric push rods (5), the upper end and the lower end of each mounting seat (4) are fixedly connected with supports (6), rectangular openings are formed in the side walls of the two supports (6) in a penetrating mode, the inner walls of the two rectangular openings are rotatably connected with two transmission rods (7), the side walls of the supports (6) are fixedly connected with driving motors (8) connected with the transmission rods (7), and the two transmission rods (7) are connected through a synchronization mechanism, the inner wall of the rectangular opening is rotatably connected with two clamping plates (9) connected with the transmission rod (7).

2. The shield tunneling machine cutter hoisting structure according to claim 1, wherein the inner walls of the two legs of the U-shaped frame (2) are both provided with a strip-shaped groove (10), and the inner walls of the two strip-shaped grooves (10) are both slidably connected with a limiting block (11) fixed with the mounting seat (4).

3. The shield tunneling machine tool hoisting structure according to claim 1, wherein the two U-shaped frames (2) are cross-shaped, and the cross point of the two U-shaped frames (2) is rotatably connected with the lower end of the hanger rod (1).

4. The shield tunneling machine cutter hoisting structure according to claim 1, wherein the synchronizing mechanism comprises a strip-shaped hole penetrating through the mounting seat (4), the strip-shaped hole is communicated with the rectangular openings of the two brackets (6), the side walls of the two transmission rods (7) are fixedly sleeved with belt wheels (12), and the two belt wheels (12) are connected through a transmission belt (13).

5. The shield tunneling machine cutter hoisting structure according to claim 1, wherein one end of the transmission rod (7) is fixedly connected with a worm (14), worm wheels (15) meshed and connected with the worm (14) are arranged on the left side and the right side of the worm (14), and the two clamping plates (9) are respectively and fixedly connected with the two worm wheels (15).

6. The shield tunneling machine cutter hoisting structure according to claim 1, wherein the two clamping plates (9) are both arc-shaped, the two clamping plates (9) are arranged oppositely, and a plurality of anti-skid rubber pads (16) are fixedly connected to the opposite side walls of the two clamping plates (9).