CN214424499U

CN214424499U - Open-type TBM auxiliary shoe supporting device

Info

Publication number: CN214424499U
Application number: CN202120485270.1U
Authority: CN
Inventors: 王磊; 刘亚辉; 尹忠辉; 曹保利; 朱晓峰; 黄运生; 王亚飞; 何占江
Original assignee: CRTG Road and Bridge Engineering Co Ltd; Beijing China Railway Tunnel Construction Co Ltd
Current assignee: CRTG Road and Bridge Engineering Co Ltd; Beijing China Railway Tunnel Construction Co Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-10-19
Anticipated expiration: 2031-03-05

Abstract

The utility model belongs to the technical field of tunnel construction, especially, be an open-type TBM assists and props boots device, prop boots including girder, main boots and supplementary, be fixed with the base on the outer wall of girder, the upper and lower both ends correspondence of base is installed main propulsion cylinder, main boots and supplementary boots that prop all are provided with two, two main boots correspond the end of fixing at main propulsion cylinder respectively, one side of base is provided with the portable support of slip on the girder, install hydraulic telescoping rod between girder and the portable support, hydraulic telescoping rod is provided with two, portable support's upper and lower both ends correspondence is installed supplementary propulsion cylinder. The utility model discloses a set up portable support, can use according to the topography, set up the arch in the peripheral department that props boots simultaneously, increase the friction between its and the well inner wall, the assistance of having solved current stage props boots position and can not adjust, and the unsatisfactory problem of fixity thereof.

Description

Open-type TBM auxiliary shoe supporting device

Technical Field

The utility model relates to a tunnel construction technical field specifically is an open-type TBM assists and props boots device.

Background

The TBM is a short-term machine for excavating a full-section hard rock tunnel, is special equipment for tunnel excavation, and plays an important role in the construction of mountain tunnels and urban subways, wherein the main beam type TBM mainly comprises a cutter head, a shield, a driving assembly, a propulsion system, a rear support, a belt conveyor, other auxiliary systems and other structures, the propulsion system is used as a key part of the open type TBM, and the propulsion system has the main functions of transmitting torque generated by the rotation excavation of a rock wall by the cutter head and the forward thrust of the whole machine. The supporting mode of the main beam type TBM is a horizontal floating support, the number of the supporting shoes is usually two, and the supporting shoes are arranged on the left and the right respectively. Under the broken country rock condition of weak, the rock bears the pressure less, and this just requires to prop the boots area and will be big enough for reduce the ground connection specific pressure (propping the contact pressure of boots and country rock) that props the boots, in order to satisfy the requirement of special geology excavation, it is not hard up to place the topography, can set up the assistance and prop the boots at the edge that props the boots mainly, is used for the location reinforcing effect of topography.

The existing boot supporting device has the following problems:

1. firstly, the distance between the auxiliary supporting boots and the main supporting boots at the current stage is certain, the position and the distance of the auxiliary supporting boots cannot be adjusted, the terrain of a well is various during actual use, the position of the auxiliary supporting boots cannot be adjusted according to requirements, and then the positioning function of the supporting boots cannot be performed according to requirements, and the using effect is reduced.

2. Secondly, prop the boots and directly contact with the well inner wall when using, stabilize the stability of well excavation through this mode, but the design of the boots that prop at present stage is unreasonable, and its fixed stability with between the well inner wall is not good, and coefficient of friction is low, and then reduces the use value of propping the boots.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an auxiliary boots device that props of open-type TBM through set up portable support on the auxiliary boots that props, can use according to the topography, sets up the arch in the peripheral department that props boots simultaneously, increases the friction between its and the well inner wall, and the auxiliary boots position of propping who has solved current stage can not be adjusted to and the unsatisfactory problem of fixity.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an open TBM auxiliary shoe supporting device comprises a main beam, a main shoe and an auxiliary shoe, wherein a base is fixed on the outer wall of the main beam, the upper end and the lower end of the base are correspondingly provided with a main propulsion oil cylinder, the number of the main supporting shoes and the number of the auxiliary supporting shoes are two, the two main supporting shoes are respectively and correspondingly fixed at the tail end of the main propulsion oil cylinder, one side of the base is provided with a movable support which slides on the main beam, a hydraulic telescopic rod is arranged between the main beam and the movable support, the hydraulic telescopic rods are provided with two hydraulic telescopic rods, the upper end and the lower end of the movable support are correspondingly provided with auxiliary propulsion oil cylinders, the two auxiliary supporting shoes are respectively and correspondingly fixed at the tail ends of the auxiliary propulsion oil cylinders, an accommodating cavity is formed inside the auxiliary supporting boot, an annular table is arranged at the upper part of the accommodating cavity, the upper surface of the annular table is provided with bulges in an array mode, and the bulges extend to the position above the auxiliary supporting boots.

As a preferred technical scheme of the utility model, strengthen the location pneumatic cylinder, and strengthen the location pneumatic cylinder and be provided with two in the bottom in holding chamber, the lower fixed surface of annular platform is in the upper end of strengthening the location pneumatic cylinder.

As an optimal technical solution of the present invention, the upper surface array of the auxiliary supporting boots has through holes penetrating into the holding cavity, and the protrusions are retractable in the through holes.

As a preferred technical scheme of the utility model, be provided with the arc wall on movable support's the inner wall, and be provided with the track on the outer wall of girder, track and arc wall looks adaptation, movable support passes through the mode slip of track and arc wall on the girder.

As a preferred technical scheme of the utility model, one side that portable support was kept away from to the base is provided with the hydro-cylinder support of fixing on the girder, and the hydro-cylinder support is provided with two, two the upper surface and the lower surface at the girder are fixed in the hydro-cylinder support correspondence, and all install the location hydro-cylinder on the hydro-cylinder support, the other end and the adjacent main supporting boots of location hydro-cylinder are connected.

As an optimal technical scheme of the utility model, be swing joint between the both ends of positioning cylinder and hydro-cylinder support and the main supporting boots.

(III) advantageous effects

Compared with the prior art, the utility model provides an open-type TBM assists and props boots device possesses following beneficial effect:

1. this supplementary boots device that props of open-type TBM through set up portable support on the supplementary boots that prop, portable support slides on the girder, and installs hydraulic telescoping rod between portable support and the base, can realize the regulation of supplementary boots position of propping during the use, and then adjusts its position according to the demand, satisfies the fixed operation to different topography, reaches the purpose of upgrading result of use, has solved the problem that the supplementary boots position of propping of current stage can not be adjusted, the utility model discloses be provided with the arc wall on portable support's the inner wall, on the track of arc wall adaptation to the girder, stability when it removes is good.

2. This supplementary boots device that props of open-type TBM sets up the annular table through the inside at supplementary boots that props to upper surface array at the annular table sets up the arch, and the arch is flexible in the through-hole, when local shape is comparatively soft, can drive protruding removal, then realizes that its gomphosis on the well inner wall is fixed, strengthens propping the stability between boots and the well, and then plays the purpose of strengthening stable effect, has solved the not good problem of the boots stability in use of propping at present stage.

Drawings

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

FIG. 2 is a top view of the auxiliary shoe of the present invention;

FIG. 3 is a schematic view of the internal structure of the auxiliary supporting boot of the present invention;

fig. 4 is a schematic structural diagram of the movable support in the present invention.

In the figure: 1. a main beam; 2. an oil cylinder support; 3. positioning the oil cylinder; 4. a main support boot; 5. a main propulsion cylinder; 6. a base; 7. a hydraulic telescopic rod; 8. auxiliary supporting boots; 9. a track; 10. an auxiliary propulsion cylinder; 11. a movable support; 12. a through hole; 13. a reinforced positioning hydraulic cylinder; 14. an annular table; 15. an accommodating cavity; 16. a protrusion; 17. an arc-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: an open type TBM auxiliary supporting shoe device comprises a main beam 1, a main supporting shoe 4 and auxiliary supporting shoes 8, wherein a base 6 is fixed on the outer wall of the main beam 1, main propulsion oil cylinders 5 are correspondingly installed at the upper end and the lower end of the base 6, two main supporting shoes 4 and two auxiliary supporting shoes 8 are respectively arranged, the two main supporting shoes 4 are respectively and correspondingly fixed at the tail ends of the main propulsion oil cylinders 5, a movable support 11 sliding on the main beam 1 is arranged at one side of the base 6, a hydraulic telescopic rod 7 is installed between the main beam 1 and the movable support 11, two hydraulic telescopic rods 7 are arranged, auxiliary propulsion oil cylinders 10 are correspondingly installed at the upper end and the lower end of the movable support 11, the two auxiliary supporting shoes 8 are respectively and correspondingly fixed at the tail ends of the auxiliary propulsion oil cylinders 10, a containing cavity 15 is formed inside each auxiliary supporting shoe 8, a ring-shaped platform 14 is arranged at the upper part of the containing cavity 15, and bulges 16 are arrayed on the upper surface of the ring-shaped platform 14, the projection 16 extends above the auxiliary shoe 8.

In this embodiment, a movable support 11 sliding on a main beam 1 is arranged on one side of a base 6, a hydraulic telescopic rod 7 is installed between the main beam 1 and the movable support 11, the position can be adjusted, auxiliary propulsion cylinders 10 are correspondingly installed at the upper end and the lower end of the movable support 11, two auxiliary supporting shoes 8 are respectively and correspondingly fixed at the tail ends of the auxiliary propulsion cylinders 10, the positions of the two auxiliary supporting shoes 8 can be adjusted through the method, the positioning requirements of different terrains are further met, an accommodating cavity 15 is formed inside the auxiliary supporting shoes 8, an annular table 14 is arranged on the upper portion of the accommodating cavity 15, bulges 16 are arrayed on the upper surface of the annular table 14, the bulges 16 extend to the upper portion of the auxiliary supporting shoes 8, and the reinforcing effect on the terrains can be achieved.

Specifically, the bottom of the accommodating cavity 15 is provided with two reinforcing and positioning hydraulic cylinders 13, and the lower surface of the annular table 14 is fixed at the upper end of the reinforcing and positioning hydraulic cylinders 13.

In this embodiment, the lower surface of the annular table 14 is fixed to the upper end of the reinforcing and positioning hydraulic cylinder 13, and then the protrusion 16 is driven to ascend and descend.

Specifically, the upper surface array of the auxiliary supporting shoe 8 is provided with a through hole 12 penetrating into the accommodating cavity 15, and the protrusion 16 extends and retracts in the through hole 12.

In this embodiment, the expansion and contraction of the projection 16 is performed in this manner.

Specifically, an arc-shaped groove 17 is formed in the inner wall of the movable support 11, a rail 9 is arranged on the outer wall of the main beam 1, the rail 9 is matched with the arc-shaped groove 17, and the movable support 11 slides on the main beam 1 in the mode of the rail 9 and the arc-shaped groove 17.

In this embodiment, the movable support 11 slides on the main beam 1 in the way of the track 9 and the arc-shaped groove 17, so as to enhance the stability of the sliding.

Specifically, one side of the base 6, which is far away from the movable support 11, is provided with two oil cylinder supports 2 fixed on the main beam 1, the two oil cylinder supports 2 are correspondingly fixed on the upper surface and the lower surface of the main beam 1, the oil cylinder supports 2 are provided with positioning oil cylinders 3, and the other ends of the positioning oil cylinders 3 are connected with the adjacent main supporting shoes 4.

In this embodiment, the other end of the positioning cylinder 3 is connected to the adjacent main shoe 4, so as to realize the positioning function of the corresponding main shoe 4.

Specifically, both ends of the positioning oil cylinder 3 are movably connected with the oil cylinder support 2 and the main supporting shoe 4.

In this embodiment, the rotation of the positioning cylinder 3 by the angle can be realized by this method.

The utility model discloses a theory of operation and use flow: the utility model is provided with a base 6 and a movable support 11 on the outer wall of a girder 1, wherein the inner wall of the movable support 11 is provided with an arc-shaped groove 17, the arc-shaped groove 17 can be adapted on a track 9 of the girder 1 to realize the sliding action of the movable support 11 on the girder 1, the auxiliary supporting shoe 8 is arranged outside the movable support 11, the distance between the auxiliary supporting shoe 8 and the main supporting shoe 4 can be adjusted according to the requirement during the actual use, thereby achieving the purposes of convenient work and convenient adjustment, a hydraulic telescopic rod 7 is arranged between the base 6 and the movable support 11, the sliding driving treatment of the movable support 11 can be completed by the way of the hydraulic telescopic rod 7 during the use, the utility model is provided with a ring platform 14 inside the auxiliary supporting shoe 8, the ring platform 14 can be driven to lift by the way of an enhanced positioning hydraulic cylinder 13, when the ring platform 14 is driven to move upwards, a bulge 16 on the upper surface of the ring platform extends to the outside of the auxiliary supporting shoe 8 and is connected with the inner wall of a well, this mode can satisfy the fixed action of soft topography, plays the purpose of consolidating the effect, realizes assisting and props boots 8 and carry out powerful fixed to the well inner wall, upgrades the result of use that assists and props boots 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an open-type TBM assists and props boots device, includes girder (1), main boots (4) and supplementary boots (8) that prop, its characterized in that: the main support structure is characterized in that a base (6) is fixed on the outer wall of the main beam (1), main propulsion cylinders (5) are correspondingly installed at the upper end and the lower end of the base (6), two main support shoes (4) and two auxiliary support shoes (8) are arranged, the main support shoes (4) are correspondingly fixed at the tail ends of the main propulsion cylinders (5) respectively, a movable support (11) sliding on the main beam (1) is arranged on one side of the base (6), a hydraulic telescopic rod (7) is installed between the main beam (1) and the movable support (11), two hydraulic telescopic rods (7) are arranged, auxiliary propulsion cylinders (10) are correspondingly installed at the upper end and the lower end of the movable support (11), two auxiliary support shoes (8) are correspondingly fixed at the tail ends of the auxiliary propulsion cylinders (10) respectively, and accommodating cavities (15) are formed inside the auxiliary support shoes (8), an annular table (14) is arranged at the upper part of the accommodating cavity (15), bulges (16) are arrayed on the upper surface of the annular table (14), and the bulges (16) extend to the upper part of the auxiliary supporting shoe (8).

2. The auxiliary shoe supporting device for the open type TBM, according to claim 1, is characterized in that: the bottom of holding chamber (15) is installed and is strengthened location pneumatic cylinder (13), and strengthens location pneumatic cylinder (13) and be provided with two, the lower surface of annular platform (14) is fixed in the upper end of strengthening location pneumatic cylinder (13).

3. The auxiliary shoe supporting device for the open type TBM, according to claim 1, is characterized in that: through holes (12) penetrating into the accommodating cavity (15) are arrayed on the upper surface of the auxiliary supporting boot (8), and the protrusions (16) stretch into the through holes (12).

4. The auxiliary shoe supporting device for the open type TBM, according to claim 1, is characterized in that: be provided with arc wall (17) on the inner wall of movable support (11), and be provided with track (9) on the outer wall of girder (1), track (9) and arc wall (17) looks adaptation, movable support (11) slide on girder (1) through the mode of track (9) and arc wall (17).

5. The auxiliary shoe supporting device for the open type TBM, according to claim 1, is characterized in that: but one side that movable support (11) was kept away from in base (6) is provided with hydro-cylinder support (2) of fixing on girder (1), and hydro-cylinder support (2) are provided with two, two hydro-cylinder support (2) correspond and fix the upper surface and the lower surface at girder (1), and all install location hydro-cylinder (3) on hydro-cylinder support (2), the other end and the adjacent main boot (4) of location hydro-cylinder (3) are connected.

6. The auxiliary shoe supporting device for the open TBM, as claimed in claim 5, wherein: and both ends of the positioning oil cylinder (3) are movably connected with the oil cylinder support (2) and the main supporting shoe (4).