CN211975003U

CN211975003U - Open-type TBM steel arch erector

Info

Publication number: CN211975003U
Application number: CN202020325381.1U
Authority: CN
Inventors: 谢钧; 徐红璐; 赵小明; 刘彦军; 杨茹沫; 李翔
Original assignee: China Railway Engineering Equipment Group Shield Manufacturing Co Ltd
Current assignee: China Railway Engineering Equipment Group Shield Manufacturing Co Ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-20
Anticipated expiration: 2030-03-16

Abstract

The utility model relates to an open-type TBM steel bow member erector, include: the TBM girder is sleeved on the TBM girder and used for supporting a mounting frame body for forming a steel arch, the pushing mechanisms are arranged on two sides of the TBM girder and used for driving the mounting frame body to move, the tightening mechanisms are arranged on the top and two sides of the mounting frame body and used for tightening the steel arch, and the hoisting mechanisms are arranged at the bottom of the mounting frame body and used for hoisting the steel arch. The utility model discloses can realize assembling the convenient of steel bow member and strut, guarantee to assemble simultaneously and strut the quality, have good practicality.

Description

Open-type TBM steel arch erector

Technical Field

The utility model relates to a tunnel steel bow member installation technical field especially relates to an open-type TBM steel bow member erector.

Background

An open TBM (tunnel boring machine), namely an open tunnel boring machine, is a large complex tunnel boring complete equipment integrating functions of boring, deslagging, supporting and the like, can realize one-step forming of a tunnel, and in TBM boring construction, after the TBM finishes one-ring boring, surrounding rocks need to be effectively supported in time through a steel arch to improve the stability of the surrounding rocks and prevent collapse, so that the assembly and supporting of the steel arch plays a crucial role in the safety and quality of the excavated tunnel.

The traditional steel arch assembly support mostly depends on manual work to operate, a plurality of arc-shaped steel arches are sequentially connected end to end through the manual work to be assembled into an annular whole, and the assembled steel arch is supported in a tunnel constructed by a TBM (tunnel boring machine) to form support for surrounding rocks, but the problems of high labor intensity, long time and low automation degree exist in the whole operation process, the support quality is unstable, and the support is not suitable for the modern construction requirements. Therefore, an open type TBM steel arch erector is provided.

Disclosure of Invention

The utility model discloses a solve the artifical problem of strutting the steel bow member of assembling of tradition and have inconvenience, provide an open-type TBM steel bow member erector, adopt mechanical equipment to replace manual work, can guarantee to assemble the effect of strutting to the steel bow member simultaneously.

In order to achieve the above object, the utility model adopts the following technical scheme:

an open-type TBM steel arch installer, comprising: the TBM girder is sleeved on the TBM girder and used for supporting a mounting frame body for forming a steel arch, the pushing mechanisms are arranged on two sides of the TBM girder and used for driving the mounting frame body to move, the tightening mechanisms are arranged on the top and two sides of the mounting frame body and used for tightening the steel arch, and the hoisting mechanisms are arranged at the bottom of the mounting frame body and used for hoisting the steel arch.

Further, the pushing mechanism comprises: the sliding device comprises two guide rails, a sliding block arranged between the two guide rails in a sliding manner and a pushing oil cylinder used for driving the sliding block to move; the mounting frame body is arranged between the sliding blocks on the two sides.

Further, the installation support body includes major arc form slide and sets up a plurality of struggles in the major arc form slide.

Furthermore, the major arc slideway consists of a top section, a middle section and a bottom section; the both sides of slide top segment all interval distribution in proper order middle section and end section, the interval department between slide top segment, middle section and the end section is the equal distribution the breast beam.

Further, it is adjacent through a plurality of between slide top section, middle section and the end section prop the roof beam and connect as a whole, the support roof beam of installation support body both sides with slider fixed connection, the support roof beam at installation support body top with TBM girder sliding connection.

Furthermore, the supporting beams positioned at the top and two sides of the slideway are respectively provided with the tightening mechanism; the tightening mechanism includes: at least two tensioning oil cylinders and cushion blocks; the supporting oil cylinders are arranged on the side surfaces of the supporting beams, and the cushion blocks are arranged between the piston rods of the two supporting oil cylinders; and chutes for laying steel wire ropes are formed in the cushion blocks and the slide ways.

Furthermore, the tightening mechanisms on the supporting beams at the top of the slideway are vertically arranged, and the tightening mechanisms on the supporting beams at the two sides of the slideway are transversely arranged; the tensioning oil cylinder is fixedly arranged on the supporting beam, and a piston rod of the tensioning oil cylinder is hinged with the cushion block; the inner side surface of the cushion block and the inner side surface of the slide way are both arc surfaces, and the cushion block arc surface and the slide way arc surface are on the same arc surface; the chute is positioned on the cambered surfaces of the cushion block and the slide way.

Furthermore, the hoisting mechanism is arranged on a supporting beam positioned at the bottom of the slideway; the hoisting mechanism comprises: the first retractable part and the second retractable part are symmetrically distributed on the supporting beams positioned on two sides of the bottom of the slideway, the first retractable part and the second retractable part both comprise windlasses and track wheels, the track wheels are distributed on one sides of the windlasses, the windlasses of the first retractable part and the windlasses of the second retractable part are connected through steel wire ropes, and the steel wire ropes are provided with traction parts used for being connected with steel arches.

Furthermore, the steel wire rope is arranged between the winch drum of the first retractable part and the winch drum of the second retractable part; one end of the steel wire rope is led out from the winch drum of the first retractable part, sequentially bypasses the rail wheel, the chute and the rail wheel and then is connected with the winch drum of the second retractable part.

Further, the pulling member includes: the connecting piece I, the connecting piece II, the round-link chain and the connecting piece III; the first connecting piece, the second connecting piece and the third connecting piece are all H-shaped plate structures; the first connecting piece is arranged on the steel wire rope, the second connecting piece is hinged to the first connecting piece, the second connecting piece and the third connecting piece are connected through the round-link chain, and the third connecting piece is connected with the steel arch frame.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses assemble the steel bow member multistage in proper order through rotatory mode, it is convenient that the whole is assembled and is strutted, the thrust mechanism who sets up can make the installation support body move along the TBM girder, when TBM carries out the tunnelling operation, carries out the assembly supporting operation of steel bow member, and then can improve tunnel excavation supporting efficiency; the installation support body that sets up is used for assembling and supports the steel bow member, and the installation support body passes through the stay beam and the slider fixed connection of both sides, and the installation support body passes through the stay beam and the TBM girder sliding connection at top, can realize the firm support of TBM girder to the installation support body, and then increase the supporting role to the steel bow member.

The utility model discloses four of setting prop tight mechanism and prop tightly the steel bow member simultaneously from steel bow member both sides and top respectively for prop tight action more accurate reliable, every props tight mechanism and includes two and prop tight hydro-cylinders, props the combined action of tight hydro-cylinder through two, can guarantee the dynamics that supports the steel bow member, makes it hug closely the hole wall, still is provided with simultaneously and props the piece, can prop tightly the steel bow member bottom, and then guarantees propping tightly of steel bow member whole ring, has improved the effect of strutting.

The utility model discloses the winding mechanism who sets up realizes receiving and releasing of wire rope through two hoist engine cooperations, and two hoist engine cooperations realize reversible rotation, and the flexibility is strong, pulls a steel bow member of completion after, pulls a piece and need not to resume to the original condition, turns to the drawing that can carry out another steel bow member through the adjustment hoist engine, and whole convenient operation is swift.

Drawings

Fig. 1 is the overall structure schematic diagram of the utility model discloses an open-type TBM steel bow member erector.

Fig. 2 is the utility model discloses an installation support body travel L schematic diagram of open-type TBM steel bow member erector.

Fig. 3 is the installation schematic diagram of the installation frame body, the tightening mechanism and the hoisting mechanism of the open type TBM steel arch erector of the utility model.

Fig. 4 is a schematic view of the installation frame body of the open type TBM steel arch installer of the present invention.

Fig. 5 is a schematic diagram of the steel arch assembly of the open type TBM steel arch erector of the present invention.

Fig. 6 is a schematic drawing of a traction piece of the open type TBM steel arch erector of the present invention.

Fig. 7 is a schematic diagram of a full-ring steel arch of the open type TBM steel arch erector of the present invention.

Fig. 8 is a steel arch bolt connection schematic diagram of the open type TBM steel arch erector of the present invention.

The reference numbers in the drawings are as follows: the device comprises a TBM main beam 1, a guide rail 201, a sliding block 202, a pushing oil cylinder 203, a slideway 3, a supporting beam 4, a tightening oil cylinder 5, a cushion block 6, a chute 7, a winch 8, a rail wheel 9, a steel wire rope 10, a rail 11, a wheel pair 12, a connecting piece I13, a connecting piece II 14, a round-link chain 15, a connecting piece III 16, a roller 17, a steel arch 18, a steel plate 19, a connecting hole 20 and a tightening piece 21.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1 to 8, an open TBM steel arch erector includes: TBM girder 1, the cover is established on TBM girder 1, is used for supporting the fashioned installation support body of steel bow member 18, sets up in 1 both sides of TBM girder, is used for the drive the thrust gear that the installation support body removed, set up at installation support body top and both sides, be used for propping tight supporting mechanism and the setting in installation support body bottom, be used for promoting the hoist mechanism of steel bow member 18.

In this embodiment, the pushing mechanism includes: the device comprises two guide rails 201, a sliding block 202 arranged between the two guide rails 201 in a sliding mode and a pushing cylinder 203 used for driving the sliding block 202 to move; the mounting bracket body is arranged between the sliding blocks 202 on both sides.

Specifically, two guide rails 201 are arranged up and down, the guide rails 201 and a pushing cylinder 203 are both fixedly arranged on the TBM main beam 1, the pushing cylinder 203 is located between the two guide rails 201, and a piston rod of the pushing cylinder 203 is connected with the sliding block 202.

In this embodiment, the mounting frame body includes a major arc-shaped slideway 3 and a plurality of supporting beams 4 arranged in the major arc-shaped slideway 3. Specifically, the major arc slideway 3 is composed of a top section, a middle section and a bottom section; the middle section and the bottom section are sequentially distributed at intervals on two sides of the top section of the slideway 3, and the supporting beams 4 are distributed at intervals among the top section, the middle section and the bottom section of the slideway 3; and the top section, the middle section and the bottom section of the slide 3 which are adjacent are connected into a whole through a plurality of supporting beams 4.

In order to increase the strength and stability of being connected of installation support body and TBM girder 1, the support beam 4 of installation support body both sides with slider 202 fixed connection, the support beam 4 at installation support body top with 1 sliding connection of TBM girder.

Specifically, a track 11 is arranged on the upper plane of the main beam 1 of the TBM, a wheel pair 12 is arranged on the lower plane of the top supporting beam 4 of the slideway 3, and the wheel pair 12 rolls along the track 11; the both sides and the top of installation support body all are connected with TBM girder 1, have increased the stability of installation support body, can play good supporting role to steel bow member 18, can make slider 202 remove along guide rail 201 through advancing the action of hydro-cylinder 203, and wheel pair 12 removes along track 11, and then removes the installation support body.

In this embodiment, the supporting beams 4 on the top and two sides of the slideway 3 are respectively provided with the tightening mechanism; the tightening mechanism includes: at least two tensioning cylinders 5 and a cushion block 6; the tensioning oil cylinders 5 are arranged on the side surfaces of the supporting beams 4, and the cushion blocks 6 are arranged between the piston rods of the two tensioning oil cylinders 5; and chutes 7 for laying steel wire ropes 10 are arranged on the cushion blocks 6 and the slide ways 3.

Specifically, the tightening mechanisms on the supporting beams 4 at the top of the slideway 3 are vertically arranged, and the tightening mechanisms on the supporting beams 4 at the two sides of the slideway 3 are transversely arranged; the tensioning oil cylinder 5 is fixedly arranged on the supporting beam 4, and a piston rod of the tensioning oil cylinder 5 is hinged with the cushion block 6; the inner side surface of the cushion block 6 and the inner side surface of the slide rail 3 are both arc surfaces, and the arc surface of the cushion block 6 and the arc surface of the slide rail 3 are on the same arc surface; the chute 7 is positioned on the cambered surfaces of the cushion block 6 and the slide 3.

In this embodiment, the hoisting mechanism is arranged on the supporting beam 4 at the bottom of the slideway 3; the hoisting mechanism comprises: the first retractable part and the second retractable part are symmetrically distributed on the supporting beams 4 on two sides of the bottom of the slide 3, the first retractable part and the second retractable part both comprise windlasses 8 and rail wheels 9, the rail wheels 9 are distributed on one sides of the windlasses 8, the windlasses 8 of the first retractable part and the windlasses 8 of the second retractable part are connected through a steel wire rope 10, and a traction part used for connecting a steel arch 18 is arranged on the steel wire rope 10.

Specifically, the steel wire rope 10 is arranged between a winding drum 8 of the first winding and unwinding member and a winding drum 8 of the second winding and unwinding member; one end of the steel wire rope 10 is led out from a winding drum 8 of the first retractable part, and is connected with a winding drum 8 of the second retractable part after sequentially bypassing the track wheel 9, the chute 7 and the track wheel 9.

In this embodiment, the pulling member includes: the connecting piece I13, the connecting piece II 14, the round-link chain 15 and the connecting piece III 16; the first connecting piece 13, the second connecting piece 14 and the third connecting piece 16 are all H-shaped plate-shaped structures;

the first connecting piece 13 is arranged on the steel wire rope 10, the second connecting piece 14 is hinged to the first connecting piece 13, the second connecting piece 14 is connected with the third connecting piece 16 through the circular ring chain 15, and the third connecting piece 16 is connected with the steel arch 18.

In order to ensure the running stability of the traction part and prevent the running abrasion of the first connecting part 13, rollers 17 are arranged on two sides of the first connecting part 13 and the third connecting part 16 in a rotating mode, and the rollers 17 on two sides of the first connecting part 13 roll along the inner side face of the slideway 3.

The steel arch 18 and the steel arch crane are arranged in the embodiment, the steel arch 18 in a whole ring comprises a first section steel arch, three middle section steel arches and a tail section steel arch which are sequentially assembled into a ring, each steel arch is of an arc-shaped structure formed by bending I-shaped steel, one end of the first section steel arch is provided with a connecting hole 20 used for being installed with a connecting piece III 16, the other end of the first section steel arch is welded with a steel plate 19, two ends of the middle section steel arch are both welded with the steel plates 19, one end of the tail section steel arch is welded with the steel plate 19, each steel plate 19 is provided with a plurality of bolt holes, and the first section steel arch, the middle section steel arch and the tail section steel arch are connected through corresponding bolt holes through bolts; the steel arch crane is located at the bottom of the TBM main beam 1 and moves along the TBM main beam 1, and the steel arch crane can transport multiple sections of steel arches for supporting to the bottom of the installation frame body so as to be used for assembling and supporting the steel arch 18.

Still be provided with the stay member 21 that is used for propping the 18 bottoms of steel bow member in this embodiment, stay member 21 includes telescopic cylinder and the buckle that is used for detaining on the steel arch of setting at telescopic cylinder both ends, and stay member 21 is small and exquisite light, and it is convenient to use, makes things convenient for personnel to prop tightly first section and back end steel arch.

When the steel arch 18 is assembled and supported, the steel arch crane sequentially transports the segmented steel arches to the bottom of the mounting frame body, firstly, the connecting piece III 16 is fixedly connected with the connecting hole 20 of the first segment of the steel arch through a bolt, simultaneously, the windlasses 8 of the first retractable part and the second retractable part are started, the two windlasses 8 are mutually matched to realize the retraction of the steel wire rope 10, then the first section of steel arch is driven by the steel wire rope 10 to lift along the circumference direction of the slideway 3, when the first section of steel arch is lifted to be completely off the ground, the winch 8 is closed, at the moment, one middle section of steel arch is connected with the first section of steel arch through a bolt, the winch 8 is started again to be closed after the middle section of steel arch is off the ground, the two remaining middle steel arches and the tail steel arch are connected in sequence through bolts according to the mode to finally form an annular steel arch frame 18, when the first section, the middle section and the tail section of the steel arch are connected through the bolts, the bolts are not screwed down, and the whole steel arch frame 18 is in a loose state;

then prop tight through propping mechanism with lax steel bow member 18, start a plurality of tight hydro-cylinders 5 that prop simultaneously, and then 6 horizontal outside stretches out of cushion of installation support body both sides, 6 vertical upwards stretches out of cushion at installation support body top, place between first section steel arch and last section steel arch simultaneously and prop up piece 21 and start, through four combined action that prop tight mechanism and one prop up piece 21, and then make the 18 tight hole walls that paste of steel bow member of whole ring, the manual work will connect the first section this moment, the bolt that middle section and last section steel arch are screwed up, then close and prop up hydro-cylinder 5 and prop up piece 21, steel bow member 18 is in the tensioning state this moment, can strut the hole wall.

After the assembly and support of one whole ring steel arch 18 is completed, the pushing oil cylinder 203 is started, the sliding block 202 moves on the guide rail 201, the wheel pair 12 rolls along the rail 11, the installation frame moves to another position after the distance of L under the drive of the sliding block 202, namely, the moving stroke of the installation frame is L, the assembly and support of another whole ring steel arch 18 can be performed according to the mode, the operation is repeated, and the protection of the whole tunnel is realized through the combined action of the assembled steel arches 18.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. An open-type TBM steel arch erector, characterized by comprising: TBM girder (1), the cover is established on TBM girder (1), is used for supporting the fashioned installation support body of steel bow member (18), sets up in TBM girder (1) both sides, is used for the drive the thrust gear that the installation support body removed sets up at installation support body top and both sides, is used for propping tight the mechanism of propping of steel bow member (18) and sets up in installation support body bottom, is used for promoting the hoist mechanism of steel bow member (18).

2. The open type TBM steel arch installer as claimed in claim 1, wherein the pushing mechanism comprises: the device comprises two guide rails (201), a sliding block (202) arranged between the two guide rails (201) in a sliding mode and a pushing cylinder (203) used for driving the sliding block (202) to move; the mounting frame body is arranged between the sliding blocks (202) on the two sides.

3. An open TBM steel arch installer according to claim 2, characterized in that the installation frame body comprises a major arc shaped chute (3) and a plurality of bracing beams (4) arranged inside the major arc shaped chute (3).

4. The open TBM steel arch installer according to claim 3, wherein the major arc chute (3) is composed of a top section, a middle section and a bottom section; the both sides of slide (3) top segment all interval distribution in proper order middle section and end section, the cloth is equallyd divide to the interval department between slide (3) top segment, middle section and the end section prop roof beam (4).

5. The open type TBM steel arch installer as claimed in claim 4, wherein the top section, the middle section and the bottom section of the adjacent slide ways (3) are connected into a whole through a plurality of support beams (4), the support beams (4) on two sides of the installation frame body are fixedly connected with the sliding block (202), and the support beams (4) on the top of the installation frame body are slidably connected with the TBM main beam (1).

6. An open TBM steel arch erector according to claim 3 or 4, wherein the bracing mechanism is arranged on the bracing beam (4) at the top and at the two sides of the slideway (3);

the tightening mechanism includes: at least two tensioning oil cylinders (5) and cushion blocks (6); the tensioning oil cylinders (5) are arranged on the side surfaces of the supporting beams (4), and the cushion blocks (6) are arranged between the piston rods of the two tensioning oil cylinders (5);

and chutes (7) for distributing steel wire ropes (10) are respectively arranged on the cushion blocks (6) and the slide ways (3).

7. The open TBM steel arch erector of claim 6, wherein the bracing mechanisms on the top bracing beams (4) of the slideway (3) are arranged vertically and the bracing mechanisms on the bracing beams (4) on the two sides of the slideway (3) are arranged horizontally;

the tightening oil cylinder (5) is fixedly arranged on the support beam (4), and a piston rod of the tightening oil cylinder (5) is hinged with the cushion block (6);

the inner side surface of the cushion block (6) and the inner side surface of the slide way (3) are both arc surfaces, and the arc surface of the cushion block (6) and the arc surface of the slide way (3) are on the same arc surface;

the chute (7) is positioned on the cambered surfaces of the cushion block (6) and the slide way (3).

8. The open TBM steel arch erector of claim 6, wherein said hoisting mechanism is arranged on the supporting beam (4) at the bottom of said chute (3);

the hoisting mechanism comprises: the steel arch support is characterized in that a first retractable part and a second retractable part are symmetrically distributed on the supporting beam (4) on two sides of the bottom of the slide (3), the first retractable part and the second retractable part both comprise a winch (8) and a rail wheel (9), the rail wheel (9) is distributed on one side of the winch (8), the winch (8) of the first retractable part and the winch (8) of the second retractable part are connected through a steel wire rope (10), and a traction part used for connecting a steel arch (18) is arranged on the steel wire rope (10).

9. The open type TBM steel arch erector of claim 8, wherein the wire rope (10) is arranged between a winding drum of the first retractable part (8) and a winding drum of the second retractable part (8);

one end of the steel wire rope (10) is led out from a winding drum of the winding machine (8) of the first winding and unwinding component, and is connected with the winding drum of the winding machine (8) of the second winding and unwinding component after sequentially bypassing the track wheel (9), the chute (7) and the track wheel (9).

10. The open TBM steel arch installer of claim 9, wherein said pulling member comprises: the connecting piece I (13), the connecting piece II (14), the round-link chain (15) and the connecting piece III (16); the first connecting piece (13), the second connecting piece (14) and the third connecting piece (16) are all H-shaped plate-shaped structures;

the first connecting piece (13) is arranged on the steel wire rope (10), the second connecting piece (14) is hinged to the first connecting piece (13), the second connecting piece (14) and the third connecting piece (16) are connected through the circular ring chain (15), and the third connecting piece (16) is connected with the steel arch (18).