CN219233281U

CN219233281U - Cutter head flushing device of shield tunnel boring machine

Info

Publication number: CN219233281U
Application number: CN202320168374.9U
Authority: CN
Inventors: 卢洪强; 牟晶; 符小林; 李志超
Original assignee: China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-23
Anticipated expiration: 2033-02-09

Abstract

The utility model provides a cutter head flushing device of a shield tunnel boring machine, which belongs to the field of flushing devices and comprises the following components: a base; a lifting mechanism; a rotating shaft; a flushing pipe; according to the adjusting structure, the push rod is driven to do circular motion through rotating the rotary table, the limiting ring is driven to reciprocate through the push rod, the connecting rod is driven to reciprocate through the limiting ring, the T-shaped sliding block is driven to reciprocate through the connecting rod, the rack is driven to reciprocate through the connecting rod, the two gears are driven to partially reciprocate through the rack reciprocating motion, the rotary shaft is driven to rotate partially reciprocate through the gear rotation, the flushing pipe is driven to swing through the rotary shaft, the flushing pipe can swing, the cutter head of the shield tunnel boring machine can be flushed cleanly through swing flushing water, the problem that swing spraying flushing water cannot be easily achieved by a flushing device in the prior art, and the cutter head cannot be flushed cleanly is solved.

Description

Cutter head flushing device of shield tunnel boring machine

Technical Field

The utility model belongs to the field of flushing devices, and particularly relates to a flushing device for a cutterhead of a shield tunnel boring machine.

Background

The shield tunneling machine is a tunnel tunneling machine using a shield tunneling method. The construction method of the shield is that the tunneling machine constructs (lays) a "shield" (which refers to a supporting segment) of a tunnel while tunneling, and is different from the open construction method. Internationally, the generalized shield tunneling machine can also be used for rock strata, but is different from an open (non-shield) tunneling machine. In China, tunnel boring machines for soft soil formations are conventionally called (narrow) shield machines.

The utility model discloses a "CN207823475U" of authorized publication recorded "a shield tunnel boring machine blade disc washing unit, including shield machine air cavity inner wall, connecting seat, ball joint, pipe and connecting pipe, shield machine air cavity inner wall is provided with the wash hole, and the connecting seat passes through the bolt fastening at shield machine air cavity inner wall, and ball joint articulates on the connecting seat, and ball joint's inside is formed with the stand pipe, and catheter connection is at the left end of stand pipe, the right-hand member at the stand pipe is connected to the connecting pipe, and the right-hand member of connecting pipe is connected with force (forcing) pump and water pump through the pressurization pipe, and the water pump passes through water piping connection water tank. The utility model has the beneficial effects that: the connecting pipe is connected to the right end of the guide pipe, the right end of the connecting pipe is connected with a pressurizing pump and a water pump through a pressurizing pipe, the water pump is connected with a water tank through a water pipe, the lower part of the connecting pipe is connected with a pressure relief valve, the pressure relief valve is provided with a switch handle, the pressure relief valve is arranged between an electromagnetic valve and a manual butterfly valve, and the upper part of the connecting pipe is provided with a pressure gauge between the electromagnetic valve and the manual butterfly valve.

The pressure gauge is arranged between the electromagnetic valve and the manual butterfly valve through the upper part of the connecting pipe, but the swinging and spraying flushing water is not easy to realize, and the sprayed water cannot be swung and the cutterhead cannot be flushed clean because hardened soil can be reserved on the cutterhead of the shield tunnel boring machine.

Disclosure of Invention

The utility model aims to provide a cutter head flushing device of a shield tunnel boring machine, and aims to solve the problem that flushing devices in the prior art are difficult to realize swinging and spraying flushing water, so that the cutter head cannot be flushed cleanly.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a shield tunnel boring machine cutterhead flushing device comprising:

a base;

the lifting mechanism is arranged at the top of the base;

the two rotating shafts are arranged and are both rotatably arranged on the lifting mechanism;

two flushing pipes, each of which is fixedly connected to the circumferential surface of each rotating shaft; and

and the adjusting structure is arranged on the lifting mechanism and is connected with the two rotating shafts, and the adjusting structure is used for realizing the rotation of the two rotating shafts.

As a preferable mode of the utility model, the lifting mechanism comprises a lifting component and a pushing component, wherein the lifting component is arranged at the top of the base, the pushing component is arranged at the top of the base, and the pushing component is connected with the lifting component.

As a preferable scheme of the utility model, the lifting component comprises two lifting slide rails, a U-shaped mounting plate and lifting slide blocks, wherein the two lifting slide rails are fixedly connected to the upper end of the base, the two lifting slide rails are symmetrically arranged, the two lifting slide blocks are respectively connected in each lifting slide rail in a sliding manner, and the U-shaped mounting plate is fixedly connected to the side ends of the two lifting slide blocks.

As a preferable scheme of the utility model, the pushing component comprises a hydraulic telescopic rod and a connecting frame, the connecting frame is fixedly connected to the side end of the U-shaped mounting plate, one end of the hydraulic telescopic rod is fixedly connected to the upper end of the base, and the extension end of the hydraulic telescopic rod is fixedly connected with the connecting frame.

As a preferable scheme of the utility model, the adjusting structure comprises a transmission part and a driving part, wherein the transmission part is arranged on the U-shaped mounting plate, the transmission part is connected with two rotating shafts, the driving part is arranged on the U-shaped mounting plate, and the driving part is connected with the transmission part.

As a preferable scheme of the utility model, the transmission part comprises two gears, racks, a T-shaped sliding block and a T-shaped sliding groove, wherein each gear is fixedly connected with one end of each rotating shaft, the two gears are symmetrically arranged, the T-shaped sliding groove is arranged at the side end of the U-shaped mounting plate, the T-shaped sliding block is slidingly connected in the T-shaped sliding groove, the racks are fixedly connected at the side end of the T-shaped sliding block, and the racks are mutually meshed with the two gears.

As a preferable scheme of the utility model, the driving component comprises a U-shaped mounting plate, a vertical plate, a connecting rod, a limiting ring, a push rod, a rotary table and a driving motor, wherein the vertical plate is fixedly connected with the side end of the U-shaped mounting plate, the connecting rod is fixedly connected with the side end of the T-shaped sliding block, the limiting ring is fixedly connected with one end of the connecting rod, the driving motor is fixedly connected with the side end of the vertical plate, the output end of the driving motor rotates to penetrate through the vertical plate and extends to the outer side of the vertical plate, the rotary table is fixedly connected with the output end of the driving motor, the push rod is fixedly connected with the side end of the rotary table, and the push rod is movably inserted into the limiting ring.

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

1. in this scheme, the output through driving motor rotates and drives the carousel and rotate, drive the push rod through the carousel rotation and do circular motion, through push rod removal promotion spacing ring reciprocating motion, drive connecting rod reciprocating motion through spacing ring reciprocating motion, drive T type slider reciprocating motion through connecting rod reciprocating motion, drive rack reciprocating motion through connecting rod reciprocating motion, drive two gears and rotate in a local reciprocating manner through rack reciprocating motion, drive the pivot through gear rotation and rotate in a local reciprocating manner, drive the wash pipe swing through the pivot rotation, make wash pipe spun water can swing, can wash shield tunnel boring machine blade disc clean through the swing wash water.

2. In this scheme, can realize the link lift through hydraulic telescoping rod is flexible, can realize U type mounting panel lift through the link lift, can realize two wash pipes lifts through U type mounting panel lift, can height-adjusting through the wash pipe lift to wash the shield tunnel boring machine blade disc of not co-altitude.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the rotating shaft of the present utility model;

fig. 5 is an enlarged view of the present utility model at B in fig. 4.

In the figure: 1. a base; 2. lifting the sliding rail; 3. a hydraulic telescopic rod; 4. a U-shaped mounting plate; 5. a vertical plate; 7. a lifting slide block; 8. a flushing pipe; 9. a rotating shaft; 10. a connecting frame; 11. a gear; 12. a rack; 13. a T-shaped slider; 14. a T-shaped chute; 15. a connecting rod; 16. a limiting ring; 17. a push rod; 18. a turntable; 19. and driving the motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the technical scheme provided in this embodiment is as follows:

a shield tunnel boring machine cutterhead flushing device comprising:

a base 1;

the lifting mechanism is arranged at the top of the base 1;

the two rotating shafts 9 are arranged, and the two rotating shafts 9 are both rotatably arranged on the lifting mechanism;

two flushing pipes 8, each flushing pipe 8 is fixedly connected to the circumferential surface of each rotating shaft 9; and

and the adjusting structure is arranged on the lifting mechanism and is connected with the two rotating shafts 9, and the adjusting structure is used for realizing the rotation of the two rotating shafts 9.

In the specific embodiment of the utility model, two rotating shafts 9 are rotatably connected between the side walls of the U-shaped mounting plate 4, two ends of each rotating shaft 9 rotatably penetrate through the U-shaped mounting plate 4 and extend to the outer side of the U-shaped mounting plate 4, the rotating shafts 9 are fixedly connected with a flushing pipe 8, the rotating shafts 9 can rotate to drive the flushing pipe 8 to rotate, the flushing pipe 8 can adjust the flushing direction of water through the rotation of the flushing pipe 8, the flushing pipe 8 is connected with a water pump, and the cutter head of the shield tunnel boring machine can be flushed through the arrangement of the flushing pipe 8, so that soil is prevented from accumulating on the cutter head of the shield tunnel boring machine.

Specifically, elevating system includes lifting unit and pushing component, and lifting unit sets up in the top of base 1, and pushing component is connected with lifting unit.

In a specific embodiment of the present utility model, the lifting mechanism includes a lifting member disposed at the top of the base 1 and a pushing member disposed at the top of the base 1, and the pushing member is connected to the lifting member.

Specifically, the lifting part comprises lifting slide rails 2, U-shaped mounting plates 4 and lifting slide blocks 7, wherein two lifting slide rails 2 are arranged, the two lifting slide rails 2 are fixedly connected to the upper end of the base 1, the two lifting slide rails 2 are symmetrically arranged, the lifting slide blocks 7 are arranged two, each lifting slide block 7 is slidably connected to each lifting slide rail 2, and the U-shaped mounting plates 4 are fixedly connected to the side ends of the two lifting slide blocks 7.

In the specific embodiment of the utility model, the lifting slide rail 2 is used for being connected with the lifting slide block 7, the lifting slide block 7 is used for being connected with the U-shaped mounting plate 4, and the lifting slide block 7 is connected in the lifting slide rail 2 in a sliding way, so that the lifting slide block 7 can slide in the lifting slide rail 2.

Specifically, the pushing component comprises a hydraulic telescopic rod 3 and a connecting frame 10, the connecting frame 10 is fixedly connected to the side end of the U-shaped mounting plate 4, one end of the hydraulic telescopic rod 3 is fixedly connected to the upper end of the base 1, and the extension end of the hydraulic telescopic rod 3 is fixedly connected with the connecting frame 10.

In the embodiment of the present utility model, the extension end of the hydraulic telescopic rod 3 is fixedly connected with the connecting frame 10, so that the hydraulic telescopic rod 3 can stretch to drive the connecting frame 10 to lift, and the connecting frame 10 can lift to drive the U-shaped mounting plate 4 to lift through the fixed connection between the connecting frame 10 and the U-shaped mounting plate 4, so that the working principle and the internal structure of the hydraulic telescopic rod 3 are common knowledge of those skilled in the art, and are not repeated.

Specifically, the adjusting structure comprises a transmission part and a driving part, wherein the transmission part is arranged on the U-shaped mounting plate 4 and is connected with the two rotating shafts 9, the driving part is arranged on the U-shaped mounting plate 4, and the driving part is connected with the transmission part.

In a specific embodiment of the utility model, the adjusting structure comprises a transmission part and a driving part, wherein the transmission part is arranged on the U-shaped mounting plate 4 and is connected with the two rotating shafts 9, the driving part is arranged on the U-shaped mounting plate 4, and the driving part is connected with the transmission part.

Specifically, the transmission part includes gear 11, rack 12, T type slider 13 and T type spout 14, and gear 11 is provided with two, and every gear 11 all fixed connection is in the one end of every pivot 9, and two gears 11 symmetry sets up, and the side of U type mounting panel 4 is seted up to T type spout 14, and T type slider 13 sliding connection is in T type spout 14, and rack 12 fixed connection is in the side of T type slider 13, and rack 12 all meshes with two gears 11 each other.

In the specific embodiment of the utility model, the T-shaped sliding groove 14 is used for connecting the T-shaped sliding block 13, the T-shaped sliding block 13 is slidably connected in the T-shaped sliding groove 14, the T-shaped sliding block 13 can slide in the T-shaped sliding groove 14, the T-shaped sliding block 13 can be fixedly connected with the rack 12, the rack 12 can be driven to move by moving the T-shaped sliding block 13, the rack 12 can be driven to rotate by moving the rack 12 through the mutual meshing of the rack 12 and the two gears 11, and the rotating shaft 9 can be driven to rotate by rotating the gears 11 through the fixed connection between the gears 11 and the rotating shaft 9.

Specifically, the drive component includes U type mounting panel 4, riser 5, connecting rod 15, spacing ring 16, push rod 17, carousel 18 and driving motor 19, riser 5 fixed connection is in the side of U type mounting panel 4, connecting rod 15 fixed connection is in the side of T type slider 13, spacing ring 16 fixed connection is in the one end of connecting rod 15, driving motor 19 fixed connection is in the side of riser 5, and driving motor 19's output rotates and runs through riser 5 and extends to the outside of riser 5, carousel 18 fixed connection is in driving motor 19's output, push rod 17 fixed connection is in the side of carousel 18, and push rod 17 activity is pegged graft in spacing ring 16.

In the specific embodiment of the utility model, the vertical plate 5 is used for being connected with the driving motor 19, the turntable 18 can be rotated through the fixed connection between the driving motor 19 and the turntable 18, the turntable 18 can be rotated to drive the push rod 17 to do circular motion through the fixed connection between the turntable 18 and the push rod 17, the push rod 17 is movably inserted on the limiting ring 16, so that the push rod 17 moves to push the limiting ring 16 to reciprocate, the limiting ring 16 can be moved to drive the connecting rod 15 to move through the fixed connection between the limiting ring 16 and the connecting rod 15, and the connecting rod 15 can be moved to drive the T-shaped slide block 13 to reciprocate through the fixed connection between the connecting rod 15 and the T-shaped slide block 13.

The working principle or working process of the cutter head flushing device of the shield tunnel boring machine provided by the utility model is as follows: the hydraulic telescopic rod 3 stretches to drive the connecting frame 10 to rise, the connecting frame 10 rises to drive the U-shaped mounting plate 4, the U-shaped mounting plate 4 rises to drive the lifting slide block 7 to slide in the lifting slide rail 2, the lifting slide block 7 slides in the lifting slide rail 2, the lifting stability of the U-shaped mounting plate 4 can be improved, water is led into the two flushing pipes 8, the driving motor 19 is started, the output end of the driving motor 19 rotates to drive the turntable 18 to rotate, the turntable 18 rotates to drive the push rod 17 to do circular motion, the push rod 17 moves to push the limiting ring 16 to reciprocate, the limiting ring 16 reciprocates to drive the connecting rod 15 to reciprocate, the connecting rod 15 reciprocates to drive the T-shaped slide block 13 to reciprocate, the connecting rod 15 reciprocates to drive the rack 12 to reciprocate to drive the two gears 11 to reciprocate locally, the gears 11 rotate to drive the rotating shaft 9 to rotate to reciprocate locally, the rotating shaft 9 drives the flushing pipes 8 to swing, and the water sprayed out of the flushing pipes 8 can swing.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A shield tunnel boring machine blade disc washing unit, characterized in that includes:

a base (1);

the lifting mechanism is arranged at the top of the base (1);

the two rotating shafts (9) are arranged, and the two rotating shafts (9) are both rotatably arranged on the lifting mechanism;

two flushing pipes (8), each flushing pipe (8) is fixedly connected to the circumferential surface of each rotating shaft (9); and

and the adjusting structure is arranged on the lifting mechanism and is connected with the two rotating shafts (9) and used for realizing the rotation of the two rotating shafts (9).

2. A shield tunnel boring machine blade disc washing apparatus as claimed in claim 1, wherein: the lifting mechanism comprises a lifting part and a pushing part, wherein the lifting part is arranged at the top of the base (1), the pushing part is arranged at the top of the base (1), and the pushing part is connected with the lifting part.

3. A shield tunnel boring machine blade disc washing apparatus as claimed in claim 2, wherein: the lifting part comprises lifting slide rails (2), U-shaped mounting plates (4) and lifting slide blocks (7), wherein the lifting slide rails (2) are provided with two lifting slide rails (2) are fixedly connected to the upper ends of the base (1), the two lifting slide rails (2) are symmetrically arranged, the lifting slide blocks (7) are provided with two lifting slide blocks, each lifting slide block (7) is slidably connected to each lifting slide rail (2), and the U-shaped mounting plates (4) are fixedly connected to the side ends of the two lifting slide blocks (7).

4. A shield tunnel boring machine blade disc washing apparatus as claimed in claim 3, wherein: the pushing component comprises a hydraulic telescopic rod (3) and a connecting frame (10), the connecting frame (10) is fixedly connected to the side end of the U-shaped mounting plate (4), one end of the hydraulic telescopic rod (3) is fixedly connected to the upper end of the base (1), and the extension end of the hydraulic telescopic rod (3) is fixedly connected with the connecting frame (10).

5. The shield tunneling machine cutterhead flushing device according to claim 4, wherein: the adjusting structure comprises a transmission part and a driving part, wherein the transmission part is arranged on the U-shaped mounting plate (4), the transmission part is connected with two rotating shafts (9), the driving part is arranged on the U-shaped mounting plate (4), and the driving part is connected with the transmission part.

6. The shield tunneling machine cutterhead flushing device according to claim 5, wherein: the transmission part comprises gears (11), racks (12), T-shaped sliding blocks (13) and T-shaped sliding grooves (14), the gears (11) are arranged in two, each gear (11) is fixedly connected to one end of each rotating shaft (9), the gears (11) are symmetrically arranged, the T-shaped sliding grooves (14) are formed in the side ends of the U-shaped mounting plates (4), the T-shaped sliding blocks (13) are slidably connected in the T-shaped sliding grooves (14), the racks (12) are fixedly connected to the side ends of the T-shaped sliding blocks (13), and the racks (12) are meshed with the two gears (11).

7. The shield tunneling machine cutterhead flushing device according to claim 6, wherein: the driving part comprises a U-shaped mounting plate (4), a vertical plate (5), a connecting rod (15), a limiting ring (16), a push rod (17), a rotary table (18) and a driving motor (19), wherein the vertical plate (5) is fixedly connected to the side end of the U-shaped mounting plate (4), the connecting rod (15) is fixedly connected to the side end of a T-shaped sliding block (13), the limiting ring (16) is fixedly connected to one end of the connecting rod (15), the driving motor (19) is fixedly connected to the side end of the vertical plate (5), the output end of the driving motor (19) rotates to penetrate through the vertical plate (5) and extends to the outer side of the vertical plate (5), the rotary table (18) is fixedly connected to the output end of the driving motor (19), the push rod (17) is fixedly connected to the side end of the rotary table (18), and the push rod (17) is movably inserted into the limiting ring (16).