CN112814691A - Shoe supporting device and TBM (tunnel boring machine) with same - Google Patents
Shoe supporting device and TBM (tunnel boring machine) with same Download PDFInfo
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- CN112814691A CN112814691A CN202110286701.6A CN202110286701A CN112814691A CN 112814691 A CN112814691 A CN 112814691A CN 202110286701 A CN202110286701 A CN 202110286701A CN 112814691 A CN112814691 A CN 112814691A
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- cylinder
- shoe
- supporting
- oil cylinder
- shoe supporting
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- 239000000463 material Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a boot supporting device and a TBM (tunnel boring machine), wherein the boot supporting device comprises a tightening shield, an upper boot supporting oil cylinder, a lower boot supporting oil cylinder and a support fixedly arranged with the tightening shield, the support is of a hollow structure capable of reducing the space occupying the section of the tightening shield, at least one of the upper boot supporting oil cylinder and the lower boot supporting oil cylinder comprises a first oil cylinder group and a second oil cylinder group, the two ends of the first oil cylinder group are connected with the left end and the left boot supporting of the support, and the two ends of the second oil cylinder group are connected with the right end and the right boot supporting of the support. According to the invention, the upper shoe supporting oil cylinder or the lower shoe supporting oil cylinder is divided into two sections of oil cylinder groups, the middle parts of the two sections of oil cylinder groups are connected by the support with a hollow structure, the two oil cylinder groups are respectively connected with the corresponding shoe supporting, the hollow structure in the middle part of the support can be used for personnel operation and the like, the oil cylinder is prevented from occupying the space in the middle part, the stability of the use of the oil cylinder is ensured, and meanwhile, the space of the section of the tightening shield occupied by the shoe supporting system can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of tunneling, in particular to a boot supporting device. In addition, the invention also relates to a TBM comprising the shoe supporting device.
Background
With the development of national science and technology and economy, the development machine is widely applied to tunnel construction of water conservancy and hydropower, rail transit and municipal engineering.
At present, the boot supporting form of the traditional double-shield type heading machine generally adopts a horizontal arrangement structure form of an upper set of boot supporting oil cylinders and a lower set of boot supporting oil cylinders, as shown in fig. 1, fig. 1 is a schematic diagram of a boot supporting system of the double-shield heading machine in the prior art, and left and right boot supporting 01 of a supporting shield 06 stretch out simultaneously through two sets of boot supporting oil cylinders 02 to support a hole wall, so as to provide counter force for heading of the heading machine. Because the two groups of the supporting shoe oil cylinders 02 occupy larger section space, the double-shield tunneling machine with a smaller section is greatly limited in personnel passage, electric hydraulic pipe arrangement and wiring and main machine belt conveyor arrangement.
Therefore, a structural form of the supporting shoe capable of effectively reducing the occupation of the supporting shoe system on the section space of the supporting shield is needed to be designed so as to increase the space for personnel operation, component installation and material transportation.
Disclosure of Invention
In view of the above, the present invention provides a shoe supporting device, which occupies a small space of a tightening shield, thereby increasing the space for personnel operation, component installation and material transportation.
Another object of the invention is to provide a TBM including the shoe supporting device.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a prop boots device, including propping tight shield, upper portion and prop boots hydro-cylinder and lower part and prop the boots hydro-cylinder, still include with prop the fixed support that sets up of tight shield, the support has and reduces to occupy prop the hollow structure of tight shield cross section space, upper portion prop the boots hydro-cylinder with at least one of the boots hydro-cylinder is propped to the lower part includes first hydro-cylinder group and second hydro-cylinder group, the both ends of first hydro-cylinder group are connected the left end and the left side of support prop boots, the right-hand member and the right side of the both ends linking bridge of second hydro-cylinder group prop boots.
Preferably, the lower shoe supporting cylinder comprises the first cylinder group and the second cylinder group, and the support is a lower shoe supporting cylinder barrel fixed to the lower portion of the support shield;
and two ends of the upper shoe supporting oil cylinder are respectively connected to the upper parts of the left shoe supporting and the right shoe supporting through oil cylinder lug seats.
Preferably, the first cylinder group is connected with the left support shoe through a spherical hinge, and/or the second cylinder group is connected with the right support shoe through a spherical hinge.
Preferably, the first oil cylinder group is connected with the lower shoe supporting cylinder barrel through a spherical hinge, and/or the second oil cylinder group is connected with the lower shoe supporting cylinder barrel through a spherical hinge.
Preferably, the tightening shield, the left shoe and the right shoe are provided with gaps in the axial direction of the tightening shield.
Preferably, the lower shoe supporting cylinder barrel comprises a cylinder barrel shell, a pressing ring and an elastic ring piece;
the inner ring suit of elasticity loop forming element is in the axle outside of lower part boots hydro-cylinder, the outer lane laminate in the cylinder shell, the clamping ring will elasticity loop forming element the cylinder shell is fixed.
Preferably, the cylinder barrel shell and the lower shoe supporting oil cylinder are fixed through anti-rotation screws.
Preferably, the device also comprises an upper stroke sensor oil cylinder and a lower stroke sensor oil cylinder which are used for enabling the upper shoe supporting oil cylinder and the lower shoe supporting oil cylinder to synchronously extend and retract under the cooperation effect;
one end of the upper stroke sensor oil cylinder is connected to one of the left support shoe and the right support shoe, and the other end of the upper stroke sensor oil cylinder is connected to the tightening shield;
two ends of one lower stroke sensor oil cylinder are respectively connected with the left supporting shoe and the lower supporting shoe cylinder barrel, and two ends of the other lower stroke sensor oil cylinder are respectively connected with the right supporting shoe and the lower supporting shoe cylinder barrel.
A TBM comprising a shoe support apparatus including a shoe support apparatus as claimed in any one of the preceding claims.
According to the shoe supporting device, the upper shoe supporting oil cylinder or the lower shoe supporting oil cylinder is divided into two-section oil cylinder group structures, the middle parts of the two oil cylinder groups are connected by the support with the hollow structure, the two oil cylinder groups are respectively connected with the corresponding shoe supporting, the hollow structure in the middle part of the support can be used for personnel operation and the like, the oil cylinders are prevented from occupying the space in the middle part, a large space can be provided for personnel passage, electric hydraulic pipe arrangement and wiring and host belt conveyor arrangement while the stability of the use of the oil cylinders is ensured, and the section space of the supporting shield occupied by the shoe supporting system can be effectively reduced.
The invention also provides the TBM comprising the shoe supporting device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a prior art boot support system for a double shield tunneling machine;
FIG. 2 is a front cross-sectional view of a shoe-supporting device provided by the present invention;
FIG. 3 is a side cross-sectional view of a shoe staying device provided by the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at position A;
fig. 5 is a partially enlarged view of a portion B in fig. 3.
In fig. 1, reference numerals include:
01-left and right supporting shoes, 02-supporting shoe oil cylinders and 06-tensioning shields;
in fig. 2 to 5, reference numerals include:
1-left and right supporting shoes, 2-upper supporting shoe oil cylinders, 3-lower supporting shoe oil cylinders, 4-upper stroke sensor oil cylinders, 5-lower stroke sensor oil cylinders, 6-bracing shields and 7-lower supporting shoe cylinder barrels;
31-a first cylinder group, 32-a second cylinder group;
701-cylinder shell, 702-elastic rubber ring, 703-press ring and 704-anti-rotation screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a shoe supporting device, which occupies small space of a tightening shield, thereby increasing the space of personnel operation, component installation and material transportation.
Another core of the invention is to provide a TBM comprising the shoe supporting device.
Referring to fig. 2 to 5, fig. 2 is a front sectional view of a shoe supporting device provided in the present invention; FIG. 3 is a side cross-sectional view of a shoe staying device provided by the present invention; FIG. 4 is an enlarged view of a portion of FIG. 2 at position A; fig. 5 is a partially enlarged view of a portion B in fig. 3.
The application provides a prop boots device, prop boots hydro-cylinder 2 and lower part including propping tight shield 6, upper portion and prop boots hydro-cylinder 3, still include and prop the support of tight shield 6 fixed settings, the support has and reduces to occupy and prop the hollow structure of tight shield 6 cross-sectional space, upper portion props boots hydro-cylinder 2 and lower part and props at least one of boots hydro-cylinder 3 and include first hydro-cylinder group 31 and second hydro-cylinder group 32, the left end and the left side of the both ends linking bridge of first hydro-cylinder group 31 prop boots, the right-hand member and the right side of the both ends linking bridge of second hydro-cylinder group 32 prop boots.
The left and right shoe supporting cylinders 1, the upper shoe supporting cylinder 2 and the lower shoe supporting cylinder 3 are all arranged in the supporting shield 6, the upper shoe supporting cylinder 2 and the lower shoe supporting cylinder 3 both comprise at least two cylinders under normal conditions, and the cylinders are sequentially arranged in the axial direction of the supporting shield 6. In this application, the upper shoe supporting cylinder 2 or the lower shoe supporting cylinder 3 includes two cylinder groups, the two cylinder groups are arranged along a straight line perpendicular to the axial direction of the tightening shield 6, and the first cylinder group 31 and the second cylinder group 32 are respectively located on two sides of the bracket 6, for example, the first cylinder group 31 is arranged on the left side of the bracket and connected with the shoe supporting on the left side of the bracket, and the second cylinder group 32 is arranged on the right side of the bracket and connected with the shoe supporting on the right side of the bracket.
It should be noted that the first cylinder group 31 and the second cylinder group 32 may each include 1, 2 or more cylinders, and preferably, the first cylinder group 31 and the second cylinder group 32 are symmetrically disposed about the bracket.
Preferably, the axis of movement of the first cylinder group 31 is parallel to or coincident with the axis of movement of the second cylinder group 32.
Because the support is for having the hollow structure that reduces to occupy and prop tight shield 6 space, sets up first cylinder group 31, second cylinder group 32 respectively in the both sides of support, and the hollow structure at support middle part sets up along propping tight shield 6's axial direction, can conveniently carry out personnel's operation, each parts installation and as material transportation space.
Please refer to fig. 2 and 3, which are a front cross-sectional view and a side cross-sectional view of the shoe supporting device, respectively. The tightening shield 6 is of a circular ring structure of an outer ring in the figure, and the left and right shoe supporting cylinders 1, the upper shoe supporting cylinder 2 and the lower shoe supporting cylinder 3 are all arranged in the tightening shield 6. The lower shoe supporting cylinder 3 comprises a first cylinder group 31 and a second cylinder group 32 which are arranged on the bracket, wherein the first cylinder group 31 is connected to the left side of the bracket, and the second cylinder group 32 is connected to the right side of the bracket.
The two oil cylinder groups can be stretched, so that the supporting shoes on two sides are driven to stretch relative to the supporting shield 6. Optionally, when the extension and retraction are controlled, the controller or other control means may keep the same extension and retraction amount of the first cylinder group 31 and the second cylinder group 32 on both sides.
The utility model provides a pair of prop boots device is with the hydro-cylinder split in same direction for the structure of two segmentations, the middle leg joint that has hollow structure that is used to the space of mid portion can be used for uses such as personnel's operation, has avoided the hydro-cylinder to occupy the space at middle part, when guaranteeing the stability of hydro-cylinder use, can arrange the aspect and provide great space for personnel's passageway, electric hydraulic pressure stringing wiring and host computer belt feeder.
Fig. 2 shows an example in which the lower shoe supporting cylinder 3 has a two-stage structure, and in actual use, the lower shoe supporting cylinder 3 is not necessarily required, and the upper shoe supporting cylinder 2 may be provided in two stages.
Optionally, besides one support, a plurality of supports can be arranged, and certainly, the two-section structure can expand the inner space of the tightening shield 6 to the maximum extent to be used for material transportation and the like.
On the basis of the above embodiment, the lower shoe supporting cylinder 3 includes the first cylinder group 31 and the second cylinder group 32; the bracket is a lower shoe supporting cylinder barrel 7 fixed with the lower part of the supporting shield 6; two ends of the upper shoe supporting oil cylinder 2 are respectively connected to the upper parts of the left shoe supporting and the right shoe supporting through oil cylinder lug seats.
Referring to fig. 2 and 3, the present embodiment is still described with the lower shoe supporting cylinder 3 as a two-stage structure. The support is specifically a lower shoe supporting cylinder barrel 7 connected to the lower position of the tightening shield 6, and the first oil cylinder group 31 and the second oil cylinder group 32 are respectively arranged on the left side and the right side of the lower shoe supporting cylinder barrel 7 and are symmetrically arranged about the diameter of the cross section of the tightening shield 6.
The upper shoe supporting cylinder 2 in this embodiment is similar to the cylinder in the prior art and is connected by a cylinder lug. The two ends of the oil cylinder lug seat can be connected with the left supporting shoe and the right supporting shoe through hinges, or can be connected through other rotating connection modes.
It should be noted that the lower shoe supporting cylinder tube 7 may be a cylinder tube with a U-shaped cross section, two sides of the lower shoe supporting cylinder tube 7 are respectively connected to the oil cylinder groups, and the middle of the lower shoe supporting cylinder tube 7 is a hollow structure, that is, a U-shaped middle space, which can provide a space for personnel to operate, and also can be used for installing components, or for transporting materials, so as to provide a space for the personnel to operate.
The lower part props boots hydro-cylinder 3 and is two segmentation structures, and two hydro-cylinder groups all are connected with lower part props boots cylinder 7, preferably two hydro-cylinder directions collineations. Two oil cylinder groups and the left and right supporting shoes 1 corresponding to the two oil cylinder groups can have various connection modes and can be adjusted according to actual conditions so as to improve the stability of the telescopic process of the oil cylinder groups.
On the basis of the above-described embodiment, the first cylinder group 31 is connected to the left shoe by a ball joint, and/or the second cylinder group 32 is connected to the right shoe by a ball joint.
It should be noted that the first cylinder group 31 and the second cylinder group 32 may be connected to the corresponding shoe through a spherical hinge.
Optionally, the first cylinder group 31 is connected to the lower shoe supporting cylinder barrel 7 by a ball joint, and/or the second cylinder group 32 is connected to the lower shoe supporting cylinder barrel 7 by a ball joint.
Combining the arrangement condition in each embodiment, in the axial direction of the tightening shield 6, the tightening shield 6 is provided with gaps with the left and right support shoes, and the gaps can prevent the left and right support shoes 1 from being stuck in the moving process relative to the tightening shield 6, so that the tightening shield is more flexible and the left and right support shoes 1 can be smoothly extended and retracted.
Alternatively, the spherical hinge structures provided at the end portions of the first cylinder group 31 and the second cylinder group 32 may be other types of rotary connection structures.
On the basis of any one of the above embodiments, two ends of the upper shoe supporting oil cylinder 2 are connected with the corresponding upper part of the supporting shoe through oil cylinder ear seats, and the connection mode of the oil cylinder ear seats and the upper part of the supporting shoe comprises pin shaft connection.
Optionally, the lower shoe-supporting cylinder barrel 7 and the tightening shield 6 are fixedly connected through bolts.
On the basis of the above embodiment, the lower shoe cylinder tube 7 includes a cylinder tube housing 701, a press ring 703, and an elastic ring member; the inner ring of the elastic ring-shaped element is sleeved on the outer side of the shaft of the lower shoe supporting oil cylinder 3, the outer ring of the elastic ring-shaped element is attached to the cylinder barrel shell 701, and the elastic ring-shaped element and the cylinder barrel shell 701 are fixed by the pressing ring 703.
Referring to fig. 3, 4 and 5, the lower shoe cylinder tube 7 is a cylindrical structure and is disposed along the transverse direction in fig. 3, and the middle portion thereof has a hollow structure, i.e., a blank space between the first cylinder group 31 and the second cylinder group 32.
The lower shoe supporting cylinder barrel 7 comprises a cylinder barrel housing 701, an elastic rubber ring 702, an anti-rotation screw 704 and a pressing ring 703.
Specifically, the inner ring of the elastic ring-shaped member is attached to the shaft of the lower shoe cylinder 3, the outer ring of the elastic ring-shaped member is attached to the cylinder housing 701, the inner ring and the outer ring are fixed to each other by a press ring 703, and the press ring 703 is fixedly connected to the cylinder housing 701. In the use, the elastic ring-shaped part can relatively fix the cylinder shell 701 and the shaft of the lower shoe supporting oil cylinder 3, and simultaneously, when the elastic ring-shaped part is subjected to external force, the elastic ring-shaped part and the lower shoe supporting oil cylinder can also relatively move within a certain range, and the elastic restoring force of the elastic ring-shaped part can provide certain restoring force for the left shoe supporting 1 and the right shoe supporting 1 when the elastic ring-shaped part is abutted by the wall surface.
Optionally, the pressing ring 703 is a rubber pressing ring. The elastic ring member may be an elastic rubber ring 702.
Optionally, the cylinder housing 701, the press ring 703 and the lower shoe supporting cylinder 3 are fixed by an anti-rotation screw 704. Specifically, the anti-rotation screw 704 penetrates through a positioning hole in the end face of the cylinder barrel housing 701 and is in threaded connection with a threaded hole of the lower shoe supporting cylinder 3 to be fixed, so that the lower shoe supporting cylinder 3 is prevented from rotating around the axis of the cylinder group, and damage to an oil inlet and outlet pipe of the cylinder group is avoided.
Optionally, the shaft of the lower shoe supporting cylinder 3 is specifically a circular shaft.
The fixing of the press ring 703 and the cylinder housing 701 may be achieved by a fixing member, a snap-in member, or a threaded connecting member.
On the basis of any one of the above embodiments, the device further comprises an upper stroke sensor cylinder 4 and a lower stroke sensor cylinder 5, which are used for enabling the upper shoe supporting cylinder 2 and the lower shoe supporting cylinder 3 to synchronously extend and retract under the cooperation effect.
One end of the upper stroke sensor cylinder 4 is connected to one of the left shoe and the right shoe, and the other end is connected to the tightening shield 6.
Two ends of one lower stroke sensor cylinder 5 are respectively connected to the left shoe support and the lower shoe support cylinder barrel 7, and two ends of the other lower stroke sensor cylinder 5 are respectively connected to the right shoe support and the lower shoe support cylinder barrel 7.
It should be noted that the upper stroke sensor cylinder 4 and the lower stroke sensor cylinder 5 are simply referred to as sensor cylinders, and are used in cooperation to limit the amount of extension and retraction of the upper and lower portions to remain the same. The sensor cylinder may be a cylinder group with a built-in stroke sensor, which cooperate to define the stroke.
Optionally, the upper stroke sensor cylinder 4 and the lower stroke sensor cylinder 5 may also be implemented by feedback control, that is, the upper stroke sensor cylinder 4 and the lower stroke sensor cylinder 5 are both adjusted to corresponding sensors, the sensors are both connected to a controller, the controller receives stroke information of the two in response to movement or sensed relative position information, and the controller is also connected to the upper shoe supporting cylinder 2 and the lower shoe supporting cylinder 3 to implement feedback control according to the stroke information or the relative position information.
The cooperation control or feedback control of the sensor oil cylinders ensures the synchronization of the telescopic movement of the upper shoe supporting oil cylinder 2 and the lower shoe supporting oil cylinder 3, and prevents the shoe supporting movement from being blocked.
In addition to the main structure and the connection structure of the shoe supporting device provided in each of the above embodiments, the present invention also provides a TBM including the shoe supporting device disclosed in the above embodiments, and the structure of other parts of the TBM refers to the prior art, and is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The shoe supporting device and the TBM having the shoe supporting device provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a prop boots device, including propping tight shield (6), upper portion and prop boots hydro-cylinder (2) and lower part and prop boots hydro-cylinder (3), its characterized in that, still include with prop the support that tight shield (6) was fixed to be set up, the support has and reduces to occupy prop the hollow structure of tight shield (6) cross sectional space, upper portion prop boots hydro-cylinder (2) and at least one of lower part props boots hydro-cylinder (3) includes first hydro-cylinder group (31) and second hydro-cylinder group (32), the both ends of first hydro-cylinder group (31) are connected the left end and the left side of support prop boots, the both ends of second hydro-cylinder group (32) are connected the right-hand member and the right side of support prop boots.
2. The shoe supporting device according to claim 1, wherein the lower shoe supporting cylinder (3) comprises the first cylinder group (31) and the second cylinder group (32), and the bracket is a lower shoe supporting cylinder barrel (7) fixed to the lower portion of the tightening shield (6);
two ends of the upper shoe supporting oil cylinder (2) are respectively connected to the upper parts of the left shoe supporting and the right shoe supporting through oil cylinder lug seats.
3. The shoe spreading device according to claim 2, wherein the first cylinder group (31) is connected to the left shoe by a ball joint and/or the second cylinder group (32) is connected to the right shoe by a ball joint.
4. The shoe spreading device according to claim 3, wherein the first cylinder group (31) is connected to the lower shoe spreading cylinder barrel (7) by a ball joint and/or the second cylinder group (32) is connected to the lower shoe spreading cylinder barrel (7) by a ball joint.
5. The shoe supporting device according to any one of claims 2 to 4, wherein the tightening shield (6) is provided with a gap in the axial direction of the tightening shield (6) with the left shoe and the right shoe.
6. The shoe device according to any one of claims 2 to 4, characterized in that the lower shoe cylinder tube (7) comprises a cylinder tube housing (701), a pressure ring (703) and an elastic ring member;
the inner ring of the elastic ring-shaped part is sleeved on the outer side of the shaft of the lower shoe supporting oil cylinder (3), the outer ring of the elastic ring-shaped part is attached to the cylinder barrel shell (701), and the elastic ring-shaped part and the cylinder barrel shell (701) are fixed through the pressing ring (703).
7. The shoe supporting device according to claim 6, characterized in that the cylinder housing (701) and the lower shoe supporting cylinder (3) are fixed by anti-rotation screws (704).
8. The shoe supporting device according to any one of claims 2 to 4, characterized by further comprising an upper stroke sensor cylinder (4) and a lower stroke sensor cylinder (5) for cooperating to make the upper shoe supporting cylinder (2) and the lower shoe supporting cylinder (3) extend and retract synchronously;
one end of the upper stroke sensor oil cylinder (4) is connected to one of the left support shoe and the right support shoe, and the other end of the upper stroke sensor oil cylinder is connected to the tightening shield (6);
two ends of one lower stroke sensor oil cylinder (5) are respectively connected with the left shoe supporting cylinder and the lower shoe supporting cylinder barrel (7), and two ends of the other lower stroke sensor oil cylinder (5) are respectively connected with the right shoe supporting cylinder and the lower shoe supporting cylinder barrel (7).
9. A TBM including a shoe means, wherein the shoe means includes a shoe means as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110286701.6A CN112814691B (en) | 2021-03-17 | 2021-03-17 | Shoe supporting device and TBM (tunnel boring machine) with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110286701.6A CN112814691B (en) | 2021-03-17 | 2021-03-17 | Shoe supporting device and TBM (tunnel boring machine) with same |
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| CN112814691A true CN112814691A (en) | 2021-05-18 |
| CN112814691B CN112814691B (en) | 2022-12-20 |
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| CN202110286701.6A Active CN112814691B (en) | 2021-03-17 | 2021-03-17 | Shoe supporting device and TBM (tunnel boring machine) with same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323684A (en) * | 2021-07-02 | 2021-08-31 | 中国铁建重工集团股份有限公司 | Supporting system for heading machine, heading machine and heading method |
| CN114320323A (en) * | 2021-12-27 | 2022-04-12 | 北方重工集团有限公司 | Three-support-shoe tightening shield for double-shield coal roadway heading machine |
| CN115387803A (en) * | 2022-08-11 | 2022-11-25 | 华能云南滇东能源有限责任公司 | Heading machine stretching shield and heading machine |
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| CN105756681A (en) * | 2016-04-25 | 2016-07-13 | 中铁工程装备集团有限公司 | Double-shield TBM hinged type supporting boot structure |
| CN106285703A (en) * | 2016-08-31 | 2017-01-04 | 中国铁建重工集团有限公司 | Boots and tunneler are supportted in seriation for tunneler |
| CN106761799A (en) * | 2017-01-19 | 2017-05-31 | 中铁工程装备集团有限公司 | A kind of double-shielded TBM moment of torsion boom device |
| CN208431006U (en) * | 2018-07-19 | 2019-01-25 | 中国铁建重工集团有限公司 | Shield machine and its double shields support shoe apparatus |
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2021
- 2021-03-17 CN CN202110286701.6A patent/CN112814691B/en active Active
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| DE2262388A1 (en) * | 1972-12-20 | 1974-06-27 | Gewerk Eisenhuette Westfalia | SHIELD LIFTING MACHINE FOR TUNNELS |
| CN105756681A (en) * | 2016-04-25 | 2016-07-13 | 中铁工程装备集团有限公司 | Double-shield TBM hinged type supporting boot structure |
| CN106285703A (en) * | 2016-08-31 | 2017-01-04 | 中国铁建重工集团有限公司 | Boots and tunneler are supportted in seriation for tunneler |
| CN106761799A (en) * | 2017-01-19 | 2017-05-31 | 中铁工程装备集团有限公司 | A kind of double-shielded TBM moment of torsion boom device |
| CN208431006U (en) * | 2018-07-19 | 2019-01-25 | 中国铁建重工集团有限公司 | Shield machine and its double shields support shoe apparatus |
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| CN113323684A (en) * | 2021-07-02 | 2021-08-31 | 中国铁建重工集团股份有限公司 | Supporting system for heading machine, heading machine and heading method |
| CN113323684B (en) * | 2021-07-02 | 2022-06-24 | 中国铁建重工集团股份有限公司 | Supporting system for heading machine, heading machine and heading method |
| CN114320323A (en) * | 2021-12-27 | 2022-04-12 | 北方重工集团有限公司 | Three-support-shoe tightening shield for double-shield coal roadway heading machine |
| CN114320323B (en) * | 2021-12-27 | 2024-04-09 | 北方重工集团有限公司 | Three-support shoe tightening shield for double-shield coal roadway heading machine |
| CN115387803A (en) * | 2022-08-11 | 2022-11-25 | 华能云南滇东能源有限责任公司 | Heading machine stretching shield and heading machine |
| CN115387803B (en) * | 2022-08-11 | 2023-09-22 | 华能云南滇东能源有限责任公司 | Heading machine tightening shield and heading machine |
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