CN220267696U - Reaction structure is originated to dark hole shield - Google Patents

Reaction structure is originated to dark hole shield Download PDF

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Publication number
CN220267696U
CN220267696U CN202321888234.5U CN202321888234U CN220267696U CN 220267696 U CN220267696 U CN 220267696U CN 202321888234 U CN202321888234 U CN 202321888234U CN 220267696 U CN220267696 U CN 220267696U
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CN
China
Prior art keywords
steel
shield
fixedly connected
concrete layer
dark tunnel
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Active
Application number
CN202321888234.5U
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Chinese (zh)
Inventor
付正伟
苗善科
曹军
朱思红
周波
谢清梅
王泽宇
丁利
杨雪健
林岳
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China Railway No 8 Engineering Group Co Ltd
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China Railway No 8 Engineering Group Co Ltd
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Priority to CN202321888234.5U priority Critical patent/CN220267696U/en
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Abstract

The utility model relates to the technical field of shield reaction structures, in particular to a hidden hole shield starting reaction structure, which comprises the following components: the tunnel and shield constructs machine, its characterized in that: concrete layer has been pour on the inside in hole tunnel, shield constructs the machine and originates from hole tunnel, concrete layer's on the surface fixedly connected with supports the steel column, support fixedly connected with direction steel ring on the surface of steel column, concrete layer's on the surface offered the spacing groove, fixedly connected with counter-force bracket on the spacing groove. According to the utility model, the guide steel ring is fixed through the support steel column, the guide steel ring is supported through the blind tunnel and the support steel plate, the shield machine is supported through the counter-force bracket, the shield machine is continuously propelled to the starting layer by the counter-force bracket, the design of the shield counter-force frame is completed, and the problem of starting propulsion of the shield machine is solved.

Description

Reaction structure is originated to dark hole shield
Technical Field
The utility model relates to the technical field of shield reaction structures, in particular to a hidden hole shield starting reaction structure.
Background
The shield machine drives to the starting layer in the dark tunnel, is limited by clearance conditions in the dark tunnel, and cannot set a conventional shield reaction frame like a station, so that the shield machine is difficult to enter the starting layer.
Disclosure of Invention
The utility model aims to provide a hidden hole shield starting counterforce structure, which solves the problem that the existing hidden hole in the prior art is limited by clearance conditions and a conventional shield counterforce frame cannot be arranged like a station.
In order to achieve the above purpose, the present utility model provides a reaction structure for starting a blind tunnel shield, comprising: the tunnel and shield constructs machine, its characterized in that: the concrete layer has been pour on the inside of dark tunnel, shield constructs the machine and originates from dark tunnel, fixedly connected with support steel column on the surface of concrete layer, fixedly connected with direction steel ring on the surface of support steel column, the spacing groove has been seted up on the surface of concrete layer, fixedly connected with counter-force bracket on the spacing groove, the bottom fixedly connected with I-steel of concrete layer, the top fixedly connected with supporting steel plate of concrete layer.
Preferably, the support steel columns are arranged in a plurality of groups, the support steel columns are annularly and uniformly arranged on the inner wall of the concrete layer, and the support steel columns fix the guide steel rings through welding.
Preferably, the limit groove is in a circular ring shape, and the limit groove guides the starting of the shield machine in the dark tunnel.
Preferably, the limit grooves are arranged in a group of five, and the limit grooves are in a plurality of groups and are linearly and uniformly arranged on the surface of the concrete layer.
Preferably, the limit groove is circular, the counter-force bracket comprises a fixed column and a limit block, the fixed column is circular and fixedly connected to the limit groove, and the limit block is propped against and connected to the guide steel ring.
Preferably, the I-steel is provided with four groups, the I-steel is fixedly connected with the bottom and the two sides of the guide steel ring, and the I-steel supports the bottom and the two sides of the guide steel ring.
Preferably, the top fixedly connected with supporting steel plate of direction steel ring, the supporting steel plate is pre-buried at concrete layer top, the supporting steel plate supports the top of direction steel ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. this reaction structure is originated to dark hole shield constructs, through supporting the steel column and fix the direction steel loop, rethread dark hole tunnel and supporting steel sheet support the direction steel loop, support the shield machine through the counter-force bracket, the shield machine is with the help of the counter-force bracket to the layer of launching impel constantly, accomplishes the design of shield reaction frame, has solved the problem that the shield machine was launched impelling.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;
FIG. 2 is a schematic side view of a portion of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 4 is a top view partially schematic cross-sectional illustration of the structure of the present utility model;
fig. 5 is a front perspective view of the reaction bracket structure of the present utility model.
In the figure: 1. a dark tunnel; 2. a concrete layer; 3. a shield machine; 4. supporting a steel column; 5. a guide steel ring; 6. a limit groove; 7. a counter-force bracket; 8. fixing the column; 9. a limiting block; 10. i-steel; 11. and supporting the steel plate.
Detailed Description
Referring to fig. 1-5, an embodiment of the present utility model is provided:
a dark tunnel shield initiation reaction structure comprising: dark tunnel 1 and shield constructs machine 3: concrete layer 2 has been pour on the inside of dark tunnel 1, shield constructs quick-witted 3 and originates from dark tunnel 1, concrete layer 2's fixedly connected with support steel column 4 on the surface, support steel column 4's fixedly connected with direction steel ring 5 on the surface, concrete layer 2's surface has seted up spacing groove 6, fixedly connected with counter-force bracket 7 on the spacing groove 6, concrete layer 2's bottom fixedly connected with I-steel 10, concrete layer 2's top fixedly connected with supporting steel plate 11, this counter-force structure sets up in the inside of dark tunnel 1, use at shield constructs the afterbody of machine 3, when shield constructs quick-witted 3 and originates through dark tunnel 1, can appear backward phenomenon, counter-force mechanism can give shield constructs quick-witted 3 afterbody support for the landing, prevent shield constructs quick-witted 3 backward landing.
Further, the supporting steel columns 4 are provided with a plurality of groups, the supporting steel columns 4 are annularly and uniformly arranged on the inner wall of the concrete layer 2, the supporting steel columns 4 fix the guiding steel rings 5 through welding, the supporting steel columns 4 are cylindrical, and the supporting steel columns 4 are embedded in the concrete layer 2 for initialization and fixing.
Further, the limiting groove 6 is annular, and the limiting groove 6 guides the shield machine 3 to start in the dark tunnel 1, so that the phenomenon of deviation in the process of the occurrence of the shield machine 3 is avoided.
Further, the limiting grooves 6 are arranged in a group, the limiting grooves 6 are in a plurality of groups and are linearly and uniformly arranged on the surface of the concrete layer 2, the reaction structure moves along with the movement of the shield machine 3, and when the shield machine 3 moves to the other group of limiting grooves 6, the reaction bracket 7 can be arranged on the limiting groove 6 at the tail part of the shield machine 3, and the new position of the shield machine 3 is supported by the reaction bracket 7.
Further, the spacing groove 6 is circular, but pre-buried steel cylinder fixed connection is on shield constructs machine 3 on the machine 3, make things convenient for spacing groove 6 and counter-force bracket 7 to carry out welded fastening, counter-force bracket 7 includes fixed column 8 and stopper 9, fixed column 8 is circular fixed connection on spacing groove 6, the steel cylinder on fixed column 8 and the spacing groove 6 welds, can be for fixing rapidly spacing groove 6 and counter-force bracket 7, stopper 9 butt joint is on direction steel ring 5, stopper 9 is isosceles right trapezoid, have stronger stability, shield constructs machine 3 effect on direction steel ring 5, direction steel ring 5 is again used on counter-force bracket 7, counter-force bracket 7 supports shield constructs machine 3.
Further, the i-steel 10 is provided with four groups, the i-steel 10 is fixedly connected to the bottom and two sides of the guide steel ring 5, the i-steel 10 is inclined, two groups of the i-steel 10 are fixedly connected to the bottom of the guide steel ring 5, two other groups of the i-steel 10 are fixedly connected to two sides of the guide steel ring 5, the i-steel 10 supports the bottom and two sides of the guide steel ring 5, and the i-steel 10 reinforces the guide steel ring 5.
Further, the top fixedly connected with supporting steel plate 11 of direction steel ring 5, supporting steel plate 11 pre-buried at concrete layer 2 top, supporting steel plate 11 support the top of direction steel ring 5, and supporting steel plate 11 has two steel columns to constitute, supporting steel plate 11 is "Y" shape, and supporting steel plate 11 has consolidated direction steel ring 5.
Working principle: the top of the inner wall of the concrete layer 2 is embedded with a supporting steel plate 11, the supporting steel plate 11 is fixed through bolts and a guide steel ring 5, I-steel 10 is fixedly connected to the concrete layer 2 through bolts, the other end of the I-steel 10 is connected to the bottom and two sides of the guide steel ring 5 through bolts, at the moment, the I-steel 10 and the supporting steel plate 11 fix the structure of the guide steel ring 5, a limit groove 6 is formed in advance on the surface of the concrete layer 2, a dry steel cylinder is embedded on the limit groove 6, a fixing column 8 is clamped and connected to the limit groove 6, at the moment, the fixing column 8 and the steel cylinder are welded, at the moment, a limit block 9 is propped and connected to the guide steel ring 5 on the surface of a blind tunnel 1, the support of the counter-force bracket 7 to the bottom of the guide steel ring 5 is completed, the counter-force bracket 7 supports the shield machine 3 through the guide steel ring 5, reverse acting force is provided for the shield machine 3, and the shield machine 3 is prevented from sliding backwards in the blind tunnel 1.

Claims (7)

1. The utility model provides a reaction structure is originated to dark tunnel shield, includes dark tunnel and shield constructs machine, its characterized in that: the concrete layer has been pour on the inside of dark tunnel, shield constructs the machine and originates from dark tunnel, fixedly connected with support steel column on the surface of concrete layer, fixedly connected with direction steel ring on the surface of support steel column, the spacing groove has been seted up on the surface of concrete layer, fixedly connected with counter-force bracket on the spacing groove, the bottom fixedly connected with I-steel of concrete layer, the top fixedly connected with supporting steel plate of concrete layer.
2. A dark tunnel shield initiation reaction structure according to claim 1, characterized in that: the support steel columns are arranged on the inner wall of the concrete layer in a ring-shaped and uniform manner, and the guide steel rings are fixed by the support steel columns through welding.
3. A dark tunnel shield initiation reaction structure according to claim 2, characterized in that: the limiting groove is annular, and guides the shield tunneling machine to start in the dark tunnel.
4. A dark tunnel shield initiation reaction structure according to claim 3, characterized in that: the limiting grooves are arranged in groups of five, and the limiting grooves are in groups and are linearly and uniformly arranged on the surface of the concrete layer.
5. The dark tunnel shield initiation reaction structure of claim 4, wherein: the limiting groove is circular, the counter-force bracket comprises a fixed column and a limiting block, the fixed column is circular and fixedly connected to the limiting groove, and the limiting block is propped against and connected to the guide steel ring.
6. The dark tunnel shield initiation reaction structure of claim 4, wherein: the I-steel is provided with four groups, I-steel is fixedly connected with the bottom and the two sides of the guide steel ring, and the I-steel supports the bottom and the two sides of the guide steel ring.
7. The dark tunnel shield initiation reaction structure of claim 6, wherein: the top fixedly connected with supporting steel plate of direction steel ring, the supporting steel plate is pre-buried at concrete layer top, supporting steel plate supports the top of direction steel ring.
CN202321888234.5U 2023-07-18 2023-07-18 Reaction structure is originated to dark hole shield Active CN220267696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321888234.5U CN220267696U (en) 2023-07-18 2023-07-18 Reaction structure is originated to dark hole shield

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321888234.5U CN220267696U (en) 2023-07-18 2023-07-18 Reaction structure is originated to dark hole shield

Publications (1)

Publication Number Publication Date
CN220267696U true CN220267696U (en) 2023-12-29

Family

ID=89312518

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321888234.5U Active CN220267696U (en) 2023-07-18 2023-07-18 Reaction structure is originated to dark hole shield

Country Status (1)

Country Link
CN (1) CN220267696U (en)

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