CN219081592U - Supporting component for arc-shaped piece inside large shield tunnel - Google Patents
Supporting component for arc-shaped piece inside large shield tunnel Download PDFInfo
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- CN219081592U CN219081592U CN202221971520.3U CN202221971520U CN219081592U CN 219081592 U CN219081592 U CN 219081592U CN 202221971520 U CN202221971520 U CN 202221971520U CN 219081592 U CN219081592 U CN 219081592U
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- steel pipe
- shield tunnel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a supporting component for an arc-shaped part inside a large shield tunnel, and aims to solve the technical problem that the existing arc-shaped part is easy to damage so as to influence tunnel construction. The support assembly comprises a support base matched with the pipe piece in the tunnel, a support connecting piece arranged on the support base and used for supporting, and a servo system arranged on the support connecting piece and used for supporting the arc-shaped piece; the servo system comprises a telescopic oil cylinder for jacking the arc-shaped piece, a controller for controlling the telescopic oil cylinder and a feedback device, wherein the controller controls the telescopic oil cylinder to jack the arc-shaped piece through a set value and the stress condition of the arc-shaped piece fed back by the feedback device. The application supporting component comprises a servo system, and the servo system is used for controlling the telescopic oil cylinder to support the arc-shaped piece through the controller according to feedback information of the feedback device, so that the stress intensity of the arc-shaped piece is improved, the stress of the arc-shaped piece is uniform, and the normal running of tunnel construction is ensured.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a supporting component for an arc-shaped piece in a large shield tunnel.
Background
The tunnel construction process mainly comprises the works of tunnel planning, surveying, designing, through control measurement, construction and the like, so that the tunnel process is complex and complicated no matter the tunnel is constructed or used. After the tunnel is excavated by the shield machine and the duct pieces are assembled, the internal structure needs to be further built to meet the operation requirement of highways or rail transit, and the construction period and the cost control difficulty are high due to a series of problems of poor operation environment, poor structure quality, difficult construction organization and the like of the internal structure of the tunnel in situ casting, so that the development of the internal assembly type construction of the tunnel tends to be advanced.
The arc-shaped piece is a structure positioned at the lower part of the tunnel, is arranged next to the duct piece and is an important component of the internal structure of the assembled tunnel, and after the arc-shaped piece is transported to the installation working surface in the tunnel, the arc-shaped piece is required to be positioned and assembled with the installed adjacent arc-shaped piece according to a certain posture.
The existing arc-shaped pieces are connected with each other through leveling bolts, gaps between the bottom of the existing arc-shaped pieces and the duct pieces are filled with concrete, but the structures of the existing arc-shaped pieces are easy to damage due to uneven stress and too concentrated stress of the arc-shaped pieces, so that tunnel construction is affected.
The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is well known to a person skilled in the art.
Disclosure of Invention
The inventors found through research that: the existing arc-shaped piece is uneven and too concentrated in stress, so that the part of the arc-shaped piece connected through the leveling bolt is easy to damage, and the problem that the stress is too concentrated is adjusted through a certain supporting effect, so that the damage of the arc-shaped piece can be effectively reduced, and the construction of a tunnel is facilitated.
In view of at least one of the above technical problems, the present disclosure provides a support assembly for an arc-shaped member inside a large shield tunnel, where the support assembly is disposed on two sides of the arc-shaped member, and the support assembly includes a servo system with a compensation function, and the controller controls the telescopic cylinder to support the arc-shaped member to ensure that the stress is uniform, thereby solving the technical problem of easy damage.
According to one aspect of the present disclosure, there is provided a support assembly for an inner arc member of a large shield tunnel, mainly including a support base for cooperating with a segment inside the tunnel, a support connection member for supporting provided on the support base, and a servo system provided on the support connection member for supporting the arc member;
the servo system comprises a telescopic oil cylinder for jacking the arc-shaped piece, a controller for controlling the telescopic oil cylinder and a feedback device, wherein the controller controls the telescopic oil cylinder to jack the arc-shaped piece through a set value and the stress condition of the arc-shaped piece fed back by the feedback device.
In some embodiments of the present disclosure, the support base includes a vertical member disposed on the tunnel inner tube sheet and a support cross plate disposed on the vertical member.
In some embodiments of the present disclosure, the support connection includes a lower steel pipe and an upper steel pipe connected with the lower steel pipe through a plug.
In some embodiments of the disclosure, the lower steel pipe comprises a lower pipe body and a top ring plate arranged at the upper part of the pipe body and used for being inserted into the plug; the upper steel pipe comprises an upper pipe body and a mounting plate arranged on the upper part of the upper pipe body and used for mounting the servo system.
In some embodiments of the present disclosure, the plug connector includes a sleeve and an isolation layer disposed in the sleeve, wherein an upper portion of the isolation layer is used for plugging the upper steel pipe, and a lower portion of the isolation layer is used for plugging the lower steel pipe.
In some embodiments of the present disclosure, the spacer layer is a single-layer support plate or a double-layer support plate including an upper plate and a lower plate with a support riser disposed therebetween.
In some embodiments of the present disclosure, the upper and lower portions of the barrier layer are each provided with a plurality of reinforcing ribs to enhance stability thereof.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
this application is through the support to the arc piece and then guarantee that its atress is even, and supporting component includes servo, servo passes through the controller and supports the arc piece according to feedback information and initial setting value and then control flexible hydro-cylinder of feedback device to improve the atress intensity of arc piece, and guarantee that its atress is even.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a schematic structural view of a support base and a lower steel pipe according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a support connector and an upper steel pipe according to an embodiment of the present application.
Fig. 4 is a schematic structural view of a double-layered support plate according to an embodiment of the present application.
Fig. 5 is an installation schematic diagram of an embodiment of the present application.
In the above figures, 1 and 2 are support components, 11 is a support base, 111 is a vertical piece, 112 is a support transverse plate, 12 is a lower steel pipe, 121 is a lower pipe body, 122 is a top ring plate, 123 and 133 are reinforcing rib plates, 13 is a support connecting piece, 131 is a sleeve, 132 is an upper plate, 133 is a lower plate, 134 is a support vertical plate, 132 is a mounting plate, 14 is an upper steel pipe, 141 is an upper pipe body, 142 is a mounting plate, 15 is a servo system, 3 is an arc-shaped piece, and 4 is a pipe piece.
Detailed Description
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "vertical," "horizontal," "clockwise," "counterclockwise," etc. indicate or refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Reference to "first," "second," etc. in this application is for distinguishing between the objects described and not necessarily for any sequential or technical purpose. Reference to "connected" and "coupled" in this application includes both direct and indirect connections (couplings), unless specifically stated otherwise.
The unit modules (components, structures, mechanisms) and materials and the like in the following examples are commercially available products unless otherwise specified.
The embodiment of the application solves the technical problem that the existing arc-shaped piece is not uniformly stressed and is easily damaged due to stress concentration, so that tunnel construction is affected, and the support assemblies are arranged on the two sides of the arc-shaped piece, so that the stress intensity of the arc-shaped piece is effectively improved.
The technical scheme in this application embodiment is for solving the fragile technical problem of above-mentioned arc piece, and the general thinking is as follows:
the support components are arranged on two sides of the arc-shaped piece to generate a certain supporting effect on the arc-shaped piece, so that the stress intensity of the arc-shaped piece is improved, and the support components comprise a support base matched with the pipe piece in the tunnel, a support connecting piece arranged on the support base and used for supporting, and a servo system arranged on the support connecting piece and used for supporting the arc-shaped piece.
The servo system comprises the telescopic oil cylinder for jacking the arc-shaped piece, a controller for controlling the telescopic oil cylinder and a feedback device, wherein the controller controls the telescopic oil cylinder to jack the arc-shaped piece through a set value and the stress condition of the arc-shaped piece fed back by the feedback device, so that the stress of the arc-shaped piece is uniform, and the normal operation of tunnel construction is ensured.
For better understanding of the technical solutions of the present application, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
The embodiment discloses a support assembly for an arc-shaped piece in a large shield tunnel, referring to fig. 1, mainly comprising a support base 11 for being matched with a duct piece 4 in the tunnel, a support connecting piece 13 arranged on the support base 11 and used for supporting, and a servo system 15 arranged on the support connecting piece 13 and used for supporting the arc-shaped piece 3.
As shown in fig. 2, the supporting base 11 includes a vertical member 111 disposed on the segment 4 in the tunnel and a supporting transverse plate 112 disposed on the vertical member 111, the supporting transverse plate 112 is welded on the vertical member 111, the vertical member 111 may be a cylinder or a supporting body with other shape, the bottom of the vertical member is matched with the radian of the segment 4, and is supported on the segment 4, the supporting connecting member 13 includes a lower steel pipe 12 and an upper steel pipe 14, the upper steel pipe 14 is connected with the lower steel pipe 12 through a plug connector, and the lower steel pipe 12 includes a lower pipe body 121 and a top ring plate 122 disposed on the upper portion of the pipe body and used for being plugged in the plug connector; as shown in fig. 3, the upper steel pipe 14 includes an upper pipe body 141 and a mounting plate 142 provided at an upper portion of the upper pipe body 141 for mounting the servo system 15; the plug comprises a sleeve 131 and an isolation layer arranged in the sleeve 131, the upper part of the isolation layer is used for plugging the upper steel pipe 14, the lower part of the isolation layer is used for plugging the lower steel pipe 12, the isolation layer is a single-layer support plate or a double-layer support plate, as shown in fig. 4, the double-layer support plate comprises an upper plate 132 and a lower plate 133, a support vertical plate 134 is arranged between the upper plate 132 and the lower plate 133, and the support effect on the pipe piece 4 can be more effectively generated through the double-layer support plate, so that the stability of the support assembly is ensured; the upper and lower portions of the barrier layer are each provided with a plurality of reinforcing ribs 123, 143 for enhancing the stability thereof.
The servo system 15 comprises a telescopic oil cylinder for jacking the arc-shaped piece 3, a controller for controlling the telescopic oil cylinder and a feedback device, wherein the controller controls the telescopic oil cylinder to jack the arc-shaped piece 3 through a set value and the stress condition of the arc-shaped piece 3 fed back by the feedback device, so that the arc-shaped piece 3 can be uniformly stressed.
The installation and use method of the support component for the arc-shaped piece in the shield tunnel comprises the following steps:
as shown in fig. 5, the supporting components 1 and 2 are installed at two sides of the arc-shaped piece 3, specifically, the supporting bases 11 are installed at the bottoms of two sides of the arc-shaped piece 3, so that the supporting bases 11 are supported on the pipe piece 4 in the tunnel, the supporting bases 11 and the pipe piece 4 can be connected through bolts, the supporting bases 11 can be solidified on the pipe piece 4 by using concrete, the connection mode can be selected according to actual construction conditions, and the lower steel pipe 12 and the upper steel pipe 14 are installed on the supporting bases 11; a servo system 15 is arranged at the top of the upper steel pipe 14, so that the cylinder top of the telescopic cylinder is tightly attached to the arc-shaped piece 3 after being lifted, a steel plate is welded on the cylinder top of the telescopic cylinder, and the telescopic cylinder is tightly attached to the arc-shaped piece 3 through the steel plate and lifted; if the telescopic cylinder is lifted, the steel plate cannot be tightly attached to the arc-shaped piece 3, a steel pipe structure should be added to the lower steel pipe 12 or/and the upper steel pipe 14, the added steel pipe structure corresponds to the structure of the lower steel pipe 12 or/and the upper steel pipe 14, and the steel pipe structures are connected through connectors.
While certain preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The support assembly for the arc-shaped piece in the large shield tunnel is characterized by comprising a support base matched with the segment in the tunnel, a support connecting piece arranged on the support base and used for supporting, and a servo system arranged on the support connecting piece and used for supporting the arc-shaped piece;
the servo system comprises a telescopic oil cylinder for jacking the arc-shaped piece, a controller for controlling the telescopic oil cylinder and a feedback device, wherein the controller controls the telescopic oil cylinder to jack the arc-shaped piece through a set value and the stress condition of the arc-shaped piece fed back by the feedback device.
2. The support assembly for an inner arc of a large shield tunnel of claim 1 wherein the support base comprises a vertical member disposed on an inner segment of the tunnel and a support cross plate disposed on the vertical member.
3. The support assembly for an inner arc of a large shield tunnel according to claim 1, wherein the support connection comprises a lower steel pipe and an upper steel pipe, the upper steel pipe and the lower steel pipe being connected by a plug.
4. A support assembly for an inner arc of a large shield tunnel according to claim 3, wherein the lower steel pipe comprises a lower pipe body and a top ring plate arranged at the upper part of the pipe body for being inserted into the insertion head; the upper steel pipe comprises an upper pipe body and a mounting plate arranged on the upper part of the upper pipe body and used for mounting the servo system.
5. A support assembly for an inner arc of a large shield tunnel according to claim 3, wherein the plug comprises a sleeve and an isolating layer arranged in the sleeve, the upper part of the isolating layer is used for plugging the upper steel pipe, and the lower part of the isolating layer is used for plugging the lower steel pipe.
6. The support assembly for an inner arc of a large shield tunnel according to claim 5, wherein the isolation layer is a single layer support plate or a double layer support plate comprising an upper plate and a lower plate with a support riser therebetween.
7. The support assembly for an inner arc of a large shield tunnel according to claim 5, wherein the upper and lower portions of the barrier layer are each provided with a plurality of reinforcing ribs for enhancing stability thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971520.3U CN219081592U (en) | 2022-07-28 | 2022-07-28 | Supporting component for arc-shaped piece inside large shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971520.3U CN219081592U (en) | 2022-07-28 | 2022-07-28 | Supporting component for arc-shaped piece inside large shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219081592U true CN219081592U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221971520.3U Active CN219081592U (en) | 2022-07-28 | 2022-07-28 | Supporting component for arc-shaped piece inside large shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219081592U (en) |
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2022
- 2022-07-28 CN CN202221971520.3U patent/CN219081592U/en active Active
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