CN210033447U - Open-type TBM auxiliary shoe supporting device - Google Patents
Open-type TBM auxiliary shoe supporting device Download PDFInfo
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- CN210033447U CN210033447U CN201920707505.XU CN201920707505U CN210033447U CN 210033447 U CN210033447 U CN 210033447U CN 201920707505 U CN201920707505 U CN 201920707505U CN 210033447 U CN210033447 U CN 210033447U
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Abstract
The utility model discloses an open-type TBM assists and props boots device has solved among the prior art open-type TBM and has propped boots mechanism and prop the problem that the boots area is limited, prop the boots mode singleness. The utility model discloses a girder and the main boots that prop of setting on the girder, one side of main boots that prop is connected with the girder through thrust cylinder, the opposite side is equipped with the assistance and props boots, and the assistance props boots and is connected through the connecting piece, is equipped with the auxiliary stay corresponding with the girder on the connecting piece. The utility model adopts the auxiliary supporting shoes to be matched with the main supporting shoes for use and also can be independently stretched, when the surrounding rock is better, the auxiliary supporting shoes are recovered, the main supporting shoes are used for supporting the tunnel wall tightly, and the propelling counter force and the tunneling counter torque required by TBM propelling are provided; under the conditions of weak surrounding rocks and broken surrounding rocks, the pressure borne by the surrounding rocks is small, and meanwhile, the main supporting shoes and the auxiliary supporting shoes are used for tightly supporting the tunnel wall, so that the contact area between the supporting shoes and the surrounding rocks is increased, and the contact pressure between the supporting shoes and the surrounding rocks is reduced.
Description
Technical Field
The utility model relates to an open-type TBM technical field especially indicates an open-type TBM assists and props boots device.
Background
The TBM is a short for a full-face hard rock tunnel boring machine, is special equipment for tunnel excavation, and plays an important role in the construction of mountain tunnels and urban subways. According to the working principle and the structural form of the TBM, the TBM comprises a shield type TBM and an open type TBM. The open TBM can be divided into a Kjeldahl TBM and a girder TBM according to different support forms. 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 the like. The propulsion system is used as a key part of the open TBM and has the main functions of transmitting torque generated by the rotation excavation of the 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. In the case of weak broken surrounding rock, the rock can be subjected to a small pressure, which requires that the shoe area be large enough to reduce the ground pressure (contact pressure of the shoe with the surrounding rock) of the shoe. The first type is that a slot is reserved in the middle of the supporting shoe, the supporting shoe spans a ring steel arch, the supporting shoe and the steel arch are easy to match, the structure is applied more, but the structure is influenced by a propelling stroke and the steel arch, and the supporting shoe area of the structure is usually limited; the second type is that two slots are reserved on the supporting boots, the slots are matched with the steel arch frames, the supporting boots span the two-ring arch frames, the supporting boot area is large, but because the supporting boots need to span the two-ring arch frames, the supporting boot slots need to be matched with the two-ring steel arch frames at the same time during actual use, the matching is difficult, the steel arch frames are easy to extrude, and the supporting boots with the structure are rarely used at present.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides an open-type TBM assists and props boots device has solved among the prior art open-type TBM and has propped boots mechanism and prop the problem that the area of boots is restricted, prop the boots mode singleness.
The technical scheme of the utility model is realized like this: an open type TBM auxiliary shoe supporting device comprises a main beam and a main supporting shoe arranged on the main beam, wherein one side of the main supporting shoe is connected with the main beam through a propulsion oil cylinder, the other side of the main supporting shoe is provided with the auxiliary supporting shoe, the auxiliary supporting shoe is connected through a connecting piece, and the connecting piece is provided with an auxiliary support corresponding to the main beam.
The auxiliary shoe supporting device comprises a main beam, auxiliary shoe supporting plates, auxiliary shoe supporting oil cylinders and a connecting piece, wherein the auxiliary shoe supporting plates are symmetrically arranged on two sides of the main beam and comprise auxiliary shoe plates and auxiliary shoe supporting oil cylinders, one ends of the auxiliary shoe supporting oil cylinders are connected with the axial surfaces of the auxiliary shoe plates, and the other ends of the auxiliary shoe supporting oil cylinders are connected through the connecting piece; the radial surface of the auxiliary shoe plate is connected with the main supporting shoe through a connecting rod and an adjusting oil cylinder.
One end of the connecting rod is hinged with the main supporting shoe through a first pin shaft, and the other end of the connecting rod is hinged with the auxiliary shoe plate through a second pin shaft; one end of the adjusting oil cylinder is hinged with the auxiliary boot plate, and the other end of the adjusting oil cylinder is hinged with the main supporting boot; and the adjusting oil cylinder is positioned below the connecting rod.
The connecting piece comprises an upper connecting beam and a lower connecting beam, two groups of auxiliary shoe supporting oil cylinders which are arranged in parallel up and down are arranged on the auxiliary shoe plate, the upper group of auxiliary shoe supporting oil cylinders are connected through the upper connecting beam, and the lower group of auxiliary shoe supporting oil cylinders are connected through the lower connecting beam; and at least one auxiliary support is arranged on the upper connecting beam.
The auxiliary support comprises a guide seat, the guide seat is matched with a guide groove on the connecting piece, a bottom plate is fixedly arranged in the guide seat, a screw rod is vertically arranged on the bottom plate, a cover plate is arranged at the upper end of the screw rod and fixedly connected with the connecting piece, and a spring is arranged between the cover plate and the bottom plate; and the bottom of the guide seat is provided with a travelling wheel.
A saddle is arranged on the main beam in a sliding mode, a main supporting shoe oil cylinder is arranged on the saddle, one end of the main supporting shoe oil cylinder is connected with the saddle, and the other end of the main supporting shoe oil cylinder is connected with the main supporting shoe.
The utility model is mainly implemented for the main beam type TBM, the auxiliary supporting shoes are matched with the main supporting shoes for use, and can also be independently stretched, when the surrounding rock is better, the auxiliary supporting shoes are recovered, the main supporting shoes are used for supporting the wall of the hole tightly, and the propelling counter force and the tunneling counter torque required by the TBM are provided; under the conditions of weak surrounding rocks and broken surrounding rocks, the pressure borne by the surrounding rocks is small, and meanwhile, the main supporting shoes and the auxiliary supporting shoes are used for tightly supporting the tunnel wall, so that the contact area between the supporting shoes and the surrounding rocks is increased, and the contact pressure between the supporting shoes and the surrounding rocks is reduced. The shoe supporting mode can be adjusted according to the working condition, the applicability is better, and the working efficiency is improved. In addition, compare the double flute that adopts for the increase props boots area and props boots, the utility model discloses the flexible auxiliary boots that prop of coming the adjustment of accessible adjusting cylinder makes the auxiliary better adaptation steel bow member that props boots, avoids propping boots extrusion bow member, improves and the cooperation degree between the construction equipment, and the operation is more nimble.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is a schematic top view of the auxiliary supporting boot in an extended state of the utility model.
Fig. 2 is a schematic view of the whole main view of the present invention.
Fig. 3 is a sectional view of the auxiliary shoe-supporting structure of the present invention.
Fig. 4 is the structure diagram of the auxiliary support of the present invention.
Fig. 5 is a schematic top view of the auxiliary supporting boot in a retracted state.
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 any creative effort belong to the protection scope of the present invention.
As shown in fig. 1-2, in embodiment 1, an open-type TBM auxiliary shoe supporting device includes a main beam 9 and a main shoe 10 disposed on the main beam 9, the main shoe 10 can adopt an existing shoe supporting mechanism, the main shoe is a single-groove shoe supporting, a steel arch can be used well, and the auxiliary shoe structure does not affect the use of the main shoe. The main beam 9 is provided with a saddle 12 in a sliding way, and the saddle can move along the main beam under the action of the propelling oil cylinder. A main supporting shoe oil cylinder 11 is arranged on the saddle 12, one end of the main supporting shoe oil cylinder 11 is connected with the saddle 12, and the other end is connected with the main supporting shoe 10. Under the action of the main supporting shoe oil cylinder, the main supporting shoe moves radially to support the wall of the hole tightly. One side of the main supporting shoe 10 is connected with the main beam 9 through a propelling oil cylinder 13, the other side of the main supporting shoe is provided with an auxiliary supporting shoe, the propelling oil cylinder 13 and the main beam are obliquely arranged, and the main supporting shoe can axially move along the main beam under the action of the propelling oil cylinder. The auxiliary supporting boots are connected through the connecting pieces 3, namely the auxiliary supporting boots are arranged on two sides of the main beam, the auxiliary supporting boots on the two sides are connected through the connecting pieces, the connecting pieces 3 are provided with auxiliary supports 8 corresponding to the main beam 9, and the lower portions of the auxiliary supports are in contact with the main beam and used for supporting the weight of the auxiliary supporting boots. The auxiliary supporting shoes are connected with the main supporting shoes and can independently stretch out and draw back, when surrounding rocks are good, the auxiliary supporting shoes are recovered, the main supporting shoes are used for supporting and tightening the tunnel wall, propelling counter force and tunneling counter torque required by TBM propelling are provided, the surrounding rocks can bear smaller pressure under the conditions of weak surrounding rocks and broken surrounding rocks, the main supporting shoes and the auxiliary supporting shoes are used for supporting and tightening the tunnel wall, the contact area between the supporting shoes and the surrounding rocks is increased, and the contact pressure between the supporting shoes and the surrounding rocks is reduced.
Furthermore, the auxiliary shoe supporting cylinders are symmetrically arranged on two sides of the main beam 9 and comprise an auxiliary shoe plate 1 and an auxiliary shoe supporting cylinder 2, one end of the auxiliary shoe supporting cylinder 2 is connected with the axial surface of the auxiliary shoe plate 1, and the other end of the auxiliary shoe supporting cylinder is connected through a connecting piece 3, namely the auxiliary shoe supporting cylinder and the connecting piece span above and below the main beam. The auxiliary shoe plate 1 moves radially under the action of the auxiliary shoe supporting oil cylinder 2 and is used for supporting the wall of the hole tightly or not. The radial surface of the auxiliary shoe plate 1 is connected with the main supporting shoe 10 through a connecting rod 4 and an adjusting oil cylinder 7. The connecting rod 4 is connected with the auxiliary shoe plate 1 through a joint bearing, and the auxiliary shoe plate can swing back and forth under the action of the adjusting oil cylinder so as to be better suitable for a steel arch. One end of the connecting rod 4 is hinged with the main supporting shoe 10 through a first pin shaft 5, and the other end of the connecting rod is hinged with the auxiliary shoe plate 1 through a second pin shaft 6; under the action of the adjusting oil cylinder, the auxiliary shoe plate can swing around the second pin shaft, so that the angle of the auxiliary shoe plate can be adjusted. One end of the adjusting oil cylinder 7 is hinged with the auxiliary shoe plate 1, and the other end is hinged with the main supporting shoe 10; and the adjusting oil cylinder 7 is positioned below the connecting rod 4, so that the expansion of the adjusting oil cylinder is convenient to realize the swing of the auxiliary shoe plate.
As shown in fig. 3-5, in embodiment 2, the connecting member 3 includes an upper connecting beam 3-1 and a lower connecting beam 3-2 which are arranged in parallel, two sets of auxiliary shoe supporting cylinders 2 which are arranged in parallel up and down are arranged on the auxiliary shoe plate 1, the upper set of auxiliary shoe supporting cylinders 2 are connected through the upper connecting beam 3-1, and the lower set of auxiliary shoe supporting cylinders 2 are connected through the lower connecting beam 3-2; and at least one auxiliary support 8 is arranged on the upper connecting beam 3-1, and the auxiliary support can float up and down on the upper connecting beam. Two auxiliary supports can be symmetrically arranged according to the requirement; for supporting the weight of the auxiliary shoe.
Further, the auxiliary support 8 includes a guide seat 806, the guide seat 806 is matched with a guide groove 3-3 on the connecting member 3, that is, the guide seat is located in the guide groove and can slide up and down in the guide groove, a bottom plate 804 is fixedly arranged inside the guide seat 806, a screw 802 is vertically arranged on the bottom plate 804, the upper end of the screw 802 extends upwards out of the connecting member, and a cover plate 801 is arranged at the upper end of the screw 802, the screw 802 is connected to the cover plate 801 through a nut, the cover plate 801 is fixedly connected with the connecting member 3 through a bolt, and the screw 802 is fixed on the connecting member under the action. A spring 803 is sleeved outside the screw 802, and the spring 803 is positioned between the cover plate 801 and the bottom plate 804; the extension of the screw 802 is adjusted through a nut, so that the pre-tightening force of the spring is adjusted, and a travelling wheel 805 is arranged at the bottom of the guide seat 806. The walking wheels 805 can move back and forth on the main beams 9 along with the auxiliary supporting shoes 1, the pre-compression amount of the springs 803 can be adjusted through the screws 802 to support the auxiliary supporting shoes 1, when the TBM is vertically adjusted, the up-down distance between the main beams 9 and the auxiliary supporting shoes 1 can be changed, the springs 804 can be extended or compressed, and the guide seats 806 and the walking wheels 805 slide in the connecting pieces 3 to adapt to the adjustment of the TBM.
When the surrounding rock is good, the auxiliary supporting shoes 1 are recovered, the main supporting shoes 10 tightly support the wall of the tunnel, and the reverse thrust and the reverse torque during TBM tunneling are provided. Under the conditions of weak surrounding rocks and broken surrounding rocks, the auxiliary supporting shoes 1 extend out to tightly support the wall of the tunnel together with the main supporting shoes 10, and the auxiliary supporting shoes 1 and the main supporting shoes 10 are kept relatively fixed through the connecting rods 4 and the adjusting oil cylinders 7 to jointly bear the reverse thrust and the reverse torque during TBM tunneling.
The other structure is the same as embodiment 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an open-type TBM assists and props boots device, includes girder (9) and main boots (10) that prop of setting on girder (9), its characterized in that: one side of the main supporting boot (10) is connected with the main beam (9) through a propulsion oil cylinder (13), the other side of the main supporting boot is provided with an auxiliary supporting boot, the auxiliary supporting boot is connected through a connecting piece (3), and an auxiliary support (8) corresponding to the main beam (9) is arranged on the connecting piece (3).
2. The open TBM auxiliary shoe device of claim 1, wherein: the auxiliary shoe supporting device is characterized in that the auxiliary shoe supporting devices are symmetrically arranged on two sides of the main beam (9), each auxiliary shoe supporting device comprises an auxiliary shoe plate (1) and an auxiliary shoe supporting oil cylinder (2), one end of each auxiliary shoe supporting oil cylinder (2) is connected with the axial surface of each auxiliary shoe plate (1), and the other end of each auxiliary shoe supporting oil cylinder is connected with a connecting piece (3); the radial surface of the auxiliary shoe plate (1) is connected with the main supporting shoe (10) through a connecting rod (4) and an adjusting oil cylinder (7).
3. The auxiliary shoe-supporting device for an open TBM according to claim 2, characterized in that: one end of the connecting rod (4) is hinged with the main supporting shoe (10) through a first pin shaft (5), and the other end of the connecting rod is hinged with the auxiliary shoe plate (1) through a second pin shaft (6); one end of the adjusting oil cylinder (7) is hinged with the auxiliary boot plate (1), and the other end of the adjusting oil cylinder is hinged with the main supporting boot (10); and the adjusting oil cylinder (7) is positioned below the connecting rod (4).
4. The auxiliary shoe-supporting device for an open TBM according to claim 2, characterized in that: the connecting piece (3) comprises an upper connecting beam (3-1) and a lower connecting beam (3-2), two groups of auxiliary shoe supporting oil cylinders (2) which are arranged in parallel up and down are arranged on the auxiliary shoe plate (1), the upper group of auxiliary shoe supporting oil cylinders (2) are connected through the upper connecting beam (3-1), and the lower group of auxiliary shoe supporting oil cylinders (2) are connected through the lower connecting beam (3-2); and at least one auxiliary support (8) is arranged on the upper connecting beam (3-1).
5. The open TBM auxiliary shoe device of claim 1 or 4, wherein: the auxiliary support (8) comprises a guide seat (806), the guide seat (806) is matched with a guide groove (3-3) on the connecting piece (3), a bottom plate (804) is fixedly arranged inside the guide seat (806), a screw rod (802) is vertically arranged on the bottom plate (804), a cover plate (801) is arranged at the upper end of the screw rod (802), the cover plate (801) is fixedly connected with the connecting piece (3), and a spring (803) is arranged between the cover plate (801) and the bottom plate (804); and a travelling wheel (805) is arranged at the bottom of the guide seat (806).
6. The open TBM auxiliary shoe device of claim 1, wherein: a saddle frame (12) is arranged on the main beam (9) in a sliding mode, a main supporting shoe oil cylinder (11) is arranged on the saddle frame (12), one end of the main supporting shoe oil cylinder (11) is connected with the saddle frame (12), and the other end of the main supporting shoe oil cylinder is connected with a main supporting shoe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707505.XU CN210033447U (en) | 2019-05-17 | 2019-05-17 | Open-type TBM auxiliary shoe supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707505.XU CN210033447U (en) | 2019-05-17 | 2019-05-17 | Open-type TBM auxiliary shoe supporting device |
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| Publication Number | Publication Date |
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| CN210033447U true CN210033447U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920707505.XU Active CN210033447U (en) | 2019-05-17 | 2019-05-17 | Open-type TBM auxiliary shoe supporting device |
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| CN (1) | CN210033447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056366A (en) * | 2019-05-17 | 2019-07-26 | 中铁工程装备集团有限公司 | A kind of open type TBM auxiliary support shoe apparatus |
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2019
- 2019-05-17 CN CN201920707505.XU patent/CN210033447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056366A (en) * | 2019-05-17 | 2019-07-26 | 中铁工程装备集团有限公司 | A kind of open type TBM auxiliary support shoe apparatus |
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