Rapid construction frame body structure for high concrete structure of shield tunnel

Abstract

The utility model provides a rapid construction frame body structure for a high-position concrete structure of a shield tunnel. A plurality of frame body sections in the frame body structure are symmetrically arranged on the two sides of the tunnel with the tunnel center line as the axis. Between every two adjacent frame body sections, the two ends of the connecting rod and the two connecting vertical rods of the two frame body sections are connected into a whole through two fasteners. A segmental lining is arranged on the outer sides of the frame body sections in a surrounding mode, a plurality of connecting holes are formed in the segmental lining, and threads are arranged in each connecting hole. One end of each wall connecting piece is provided with threads, the end, provided with the threads, of each wall connecting piece is in threaded connection with the corresponding connecting hole, and the other end is connected with the corresponding frame body section. The bottom of each frame body section is provided with a plurality of sliding pieces, and the frame body sections can be integrally transferred and reused when the sliding pieces are unfolded. According to the construction frame body structure, the problems that a construction frame body is troublesome, time-consuming and labor-consuming to disassemble and assemble and poor in stability can be solved, and the purposes of rapid construction and improvement of the stability of the construction frame body are achieved.

Description

Technical Field

[0001] This utility model relates to the field of shield tunnel construction technology, and in particular to a rapid construction frame structure for high-altitude concrete structures in shield tunnels. Background Technology

[0002] With the rapid development of my country's economy, the demand for urban underground space development is increasing, leading to a surge in urban tunnel projects. Among these, the shield tunneling method is becoming increasingly widely used in urban tunnel excavation due to its advantages such as high construction efficiency (enabling integrated excavation and support construction), good tunnel formation, and minimal impact on the surrounding environment. However, existing shield tunnels suffer from problems during the construction of high-altitude concrete structures, including cumbersome and time-consuming scaffolding assembly and disassembly, and poor scaffolding stability. Utility Model Content

[0003] In view of the above problems, this utility model is proposed to provide a rapid construction frame structure for high-altitude concrete structures in shield tunnels that overcomes or at least partially solves the above problems. It can solve the problems of troublesome, time-consuming and labor-intensive disassembly and assembly of construction frames and poor stability of construction frames, thereby achieving the purpose of rapid construction and improving the stability of construction frames.

[0004] Specifically, this utility model provides a rapid construction frame structure for high-altitude concrete structures in shield tunnels. The frame structure includes multiple frame segments, wall ties, connecting rods, and fasteners. The multiple frame segments are symmetrically arranged on both sides of the tunnel with the tunnel centerline as the axis. Each frame segment has multiple connecting parts on both sides. Each connecting part includes a connecting upright. Between every two adjacent frame segments, the two ends of the connecting rod are connected to the two connecting uprights of the two frame segments by two fasteners to form a whole. There are multiple connecting rods in the vertical direction. The outer side of the multiple frame segments is surrounded by segment lining. The segment lining has multiple connecting holes. Each connecting hole has threads. One end of the wall tie has threads. One end of each wall tie is threaded to the connecting hole, and the other end is connected to the frame segment.

[0005] Optionally, the frame segment includes an adjusting element; the adjusting element is used to adjust the height of the frame segment.

[0006] Optionally, the frame segment also includes multiple sliding members; the multiple sliding members are located at the bottom of the frame segment and are used to transfer the frame segment; the sliding members have two states: extended and retracted.

[0007] Optionally, the frame segment is divided into an inner frame and an outer frame; the inner frame is close to the tunnel lining and is used to support the weight of the concrete structure; the outer frame is far from the tunnel lining and has a working platform at the top.

[0008] Optionally, the adjusting component includes multiple bottom supports and top supports; the multiple bottom supports are located at the bottom of the frame segment and are height-adjustable, used to distribute the weight borne on the frame segment to the ground and to adjust the height of the frame segment; the multiple top supports are located at the top of the frame segment; the height of the top supports is adjustable, and a template is installed on them.

[0009] Optionally, the sliding component includes a support plate, a telescopic cylinder, and a steering wheel; the upper part of the support plate is connected to the frame segment, and the lower part is installed on the upper part of the telescopic cylinder; the steering wheel is installed on the lower part of the telescopic cylinder; the telescopic cylinder is used to raise or lower the frame segment; when the sliding component is in the extended state, the telescopic cylinder controls the frame segment to rise, and multiple sliding components bear the weight of the frame segment. At this time, the frame segment can be moved by moving multiple steering wheels.

[0010] Optionally, the outer side of the frame includes a working ladder, a guardrail, and a kick plate; the working ladder is located inside the outer side of the frame, with its bottom in contact with the ground and its top extending to the working platform; the guardrail is installed on the side of the working platform away from the segment lining and on both sides; the kick plate is installed at the bottom of the guardrail.

[0011] In this utility model, a rapid construction frame structure for high-altitude concrete structures in shield tunnels is provided. The construction frame is divided into multiple frame segments, and each frame segment has multiple sliding parts at its bottom. When the multiple sliding parts are unfolded, the frame segment can be transferred and reused as a whole, saving time on frame assembly and disassembly, thus saving time and effort.

[0012] Furthermore, in this utility model's rapid construction frame structure for high-altitude concrete structures in shield tunnels, adjacent frame segments are connected by multiple connecting rods and fasteners to form an integral construction frame structure. These connecting rods and fasteners facilitate easy assembly and disassembly. By using multiple connecting rods to connect adjacent frame segments together to form a whole, and by allowing each frame segment to be transferred as a whole, the dismantling and reassembly of frame segments are avoided. This significantly saves construction time while ensuring the load-bearing capacity and stability of the construction frame, achieving the goal of rapid construction.

[0013] Furthermore, in this utility model's rapid construction frame structure for high-altitude concrete structures in shield tunnels, the presence of multiple wall ties connecting the frame segments to the shield tunnel lining significantly improves the stability of the construction frame. Simultaneously, one end of each wall tie is threaded into a connection hole on the lining segment, which is a pre-reserved grouting hole in the lining segment, thus avoiding damage to the lining segment and further saving construction time.

[0014] Furthermore, in the rapid construction frame structure for high-altitude concrete structures of shield tunnels of this utility model, since multiple frame segments are symmetrically arranged on both sides of the tunnel with the tunnel centerline as the axis, it does not affect the passage of vehicles and personnel in the middle of the tunnel.

[0015] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0016] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0017] Figure 1 This is a schematic structural diagram of a rapid construction frame structure for high-altitude concrete structures in a shield tunnel according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic elevation view of a rapid construction frame structure for high-altitude concrete structures in a shield tunnel, according to an embodiment of the present invention.

[0019] Figure 3 yes Figure 2 A magnified view of a section at point A in the middle;

[0020] Figure 4 This is a side schematic structural diagram of a rapid construction frame structure for high-altitude concrete structures in a shield tunnel according to an embodiment of the present invention.

[0021] In the diagram: 1. Frame segment; 101. Connecting part; 102. Connecting upright; 103. Inner side of the frame; 104. Outer side of the frame; 105. Base support; 106. Top support; 2. Connecting hole; 3. Wall tie; 4. Segment lining; 5. Guardrail; 501. Protective net; 502. Kickboard; 6. Connecting rod; 7. Sliding part; 701. Support plate; 702. Telescopic cylinder; 703. Steering wheel; 8. Working ladder; 9. Reinforcing parts; 10. Ladder platform; 11. Fastener; 12. Working platform. Detailed Implementation

[0022] The following reference Figures 1 to 4This invention describes a rapid construction frame structure for high-altitude concrete structures in shield tunnels, according to an embodiment of the present invention. In this description, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of this invention, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0023] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," and "couple" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Furthermore, in the description of this embodiment, "above" or "below" the second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. That is, in the description of this embodiment, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "below" of the second feature can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0025] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0026] Figure 1This is a schematic structural diagram of a rapid construction frame structure for high-altitude concrete structures in a shield tunnel, according to an embodiment of the present invention. Figure 1 As shown, and refer to Figures 2 to 4 This utility model embodiment provides a rapid construction frame structure for high-altitude concrete structures in shield tunnels. The frame structure includes multiple frame segments 1, wall ties 3, connecting rods 6, and fasteners 11.

[0027] Multiple frame segments are symmetrically arranged on both sides of the tunnel with the tunnel centerline as the axis, and a space is reserved in the middle of the tunnel for the passage of vehicles and construction personnel. Each frame segment 1 has multiple connecting parts 101 on both the left and right sides, and the multiple connecting parts 101 on the same side are located on the same vertical line. Each connecting part 101 includes a connecting upright 102, and the multiple connecting uprights 102 on the same side of the frame segment 1 are coaxial. Each pair of adjacent frame segments 1 are connected to form a whole by multiple connecting rods 6. Specifically, two fasteners 11 are used to connect the two ends of a connecting rod 6 to the two uprights of two frame segments 1 to form a whole. The connection between two adjacent frame segments 1 by multiple connecting rods 6 and fasteners 11 not only connects the two adjacent frame segments 1 into a whole, but also allows for fast installation and dismantling.

[0028] Multiple frame segments 1 are surrounded by pipe lining 4. The pipe lining 4 has multiple connection holes 2, which are grouting holes reserved in the pipe lining 4. Each connection hole 2 has threads. One end of the wall tie 3 has threads that match the threads in the connection hole 2. Each wall tie 3 has one threaded end connected to the connection hole 2, and the other end connected to the frame segment 1 via a fastener 11.

[0029] In this embodiment, the wall tie 3 and the connecting hole 2 are connected by bolts. The threaded end of the wall tie 3 is tightened to the nut of the connecting hole 2 (pre-reserved grouting hole) on the connecting hole 2 on the segment lining 4, and the other end is connected to the frame segment 1. Each frame segment 1 is equipped with no less than 2 wall ties 3. The specific installation position is adjusted appropriately according to the position of the pre-reserved grouting hole (installation hole) of the segment lining 4.

[0030] Multiple wall ties 3 connect the frame segment 1 to the tunnel lining 4, greatly improving the stability of the construction frame. Simultaneously, the threaded end of the wall tie 3 connects to the connection hole 2 on the tunnel lining 4. During use, the threaded end of the wall tie 3 is directly screwed onto the connection hole 2 (pre-reserved grouting hole) on the tunnel lining 4, achieving rapid construction. The tunnel lining 4 has pre-reserved grouting holes (connection holes 2), avoiding damage to the tunnel lining 4.

[0031] In some embodiments of this utility model, such as Figures 1 to 2As shown, the frame segment 1 also includes multiple sliding members 7. These sliding members 7 are located at the bottom of the frame segment 1, specifically installed at the four corners of the bottom of the frame, and are used to move the frame segment 1. The sliding members 7 have two states: extended and retracted.

[0032] The sliding component 7 includes a support plate 701, a telescopic cylinder 702, and a steering wheel 703. The upper part of the support plate 701 is connected to the frame segment 1, and the lower part of the support plate 701 is mounted on the upper part of the telescopic cylinder 702. The steering wheel 703 is mounted on the lower part of the telescopic cylinder 702. Specifically, as shown... Figure 2 As shown, the two steering wheels 703 on the left side of each frame segment 1 are directional wheels, and the two steering wheels 703 on the right side are omnidirectional wheels. The two directional wheels and the two omnidirectional wheels facilitate the overall transfer of the frame segment 1.

[0033] Support plate 701 supports the weight of frame segment 1. Telescopic cylinder 702 is used to raise or lower frame segment 1. When the sliding member 7 is in the extended state, telescopic cylinder 702 controls the raising of frame segment 1, with multiple sliding members 7 bearing the weight of frame segment 1. Specifically, frame segment 1 is raised and suspended in the air, with only the steering wheels 703 of the four corner sliding members 7 in direct contact with the ground. Moving the steering wheels 703 moves frame segment 1. When the sliding member 7 needs to be retracted, telescopic cylinder 702 is controlled to lower the frame height until frame segment 1 contacts the ground and is placed stably on the ground, thus completing the retraction of the sliding member 7. With all four sliding members 7 in the extended state, each frame segment 1 can be transferred as a whole for reuse. By moving a single frame segment 1 to the corresponding position and connecting two adjacent frame segments 1 to form a whole, the construction frame can be quickly assembled and disassembled, saving time and effort in dismantling and reassembling frame segments 1.

[0034] In other embodiments of this utility model, such as Figures 1 to 2 As shown, the frame segment 1 also includes a reinforcing member 9. The reinforcing member 9 is located in the middle of the frame segment 1 and includes a double-layered steel pipe. The reinforcing member 9 is used to reinforce the frame segment 1. Specifically, when the frame segment 1 is transferred using equipment such as forklifts, to prevent deformation of the frame segment 1 during transport and ensure construction safety, a horizontal double-layered steel pipe connected by fasteners 11 is added to the middle of the frame segment 1 to reinforce it. During transport, the forklift teeth drag the double-layered steel pipe, moving it to the construction area and connecting multiple frame segments 1 together to form a whole, thus achieving rapid construction.

[0035] In some embodiments of this utility model, such as Figure 1 and Figure 4 As shown, frame segment 1 includes an adjusting member. The adjusting member is used to adjust the height of frame segment 1, and is not shown in the figure.

[0036] The adjusting mechanism includes multiple base supports 105 and a top support 106. The base supports 105 are located at the bottom of the frame segment 1 and are height-adjustable, used to distribute the weight borne by the frame segment 1 to the ground and to adjust the height of the frame segment 1. The top support 106 is located at the top of the frame segment 1, and its height is adjustable to be adjusted according to the height of the concrete structure; a concrete pouring formwork is mounted on it.

[0037] In some embodiments of this utility model, such as Figures 1 to 4 As shown, frame segment 1 is divided into an inner frame 103 and an outer frame 104. The inner frame 103 is close to the tunnel lining 4 and is used to support the weight of the concrete structure. The outer frame 104 is away from the tunnel lining 4, and its top is a working platform 12.

[0038] The outer side 104 of the scaffold includes a working ladder 8, a guardrail 5, and a kick plate 502. The working ladder 8 is located inside the outer side 104 of the scaffold, with its bottom in contact with the ground and its top extending to the working platform 12. Specifically, the working ladder 8 is divided into two sections, suspended inside the outer side 104 of the scaffold, with a ladder platform 10 located between the two sections. The ladder platform 10 is composed of four scaffold boards spliced ​​together. The guardrail 5 is installed on the four sides of the working platform 12 away from the segment lining and on the left and right sides, at a height of not less than 1.5 meters. A protective net 501 is installed on the guardrail 5. The kick plate 502 is installed at the bottom of the guardrail 5 and is fixed to the guardrail 5 with a 180mm high board and wire through holes.

[0039] The inner side 103 of the frame differs in structure from the outer side 104. The inner side 103 has a denser structure and can withstand greater pressure from the upper concrete structure. The outer side 104 mainly provides ladders 8 and work platforms 12 for construction workers. The frame segment 1 is divided into the inner side 103 and the outer side 104, which reduces the overall weight of the frame segment 1, saves construction costs, and facilitates the transfer and reuse of the frame segment 1.

[0040] Work Process: The construction scaffold structure is divided into multiple scaffold segments 1. Adjacent scaffold segments 1 are connected by connecting rods 6 to form a whole, thus connecting multiple scaffold structures into a unified whole. Multiple wall ties 3 are connected at one end to the tunnel lining 4 and at the other end to the scaffold segment 1, improving the stability of the scaffold segment 1. Then, formwork is laid on the construction scaffold structure formed by the multiple scaffold segments 1, and concrete is poured. After the concrete has solidified and the formwork is removed, the multiple connecting rods 6 and fasteners 11 between the formwork and adjacent scaffold segments 1 are removed. Then, the multiple wall ties 3 between the scaffold segment 1 and the tunnel lining 4 are removed, thus completing the scaffold dismantling work.

[0041] After the dismantling of the scaffolding is completed, multiple scaffolding segments 1 need to be transferred section by section to the construction area. Specific steps: Control the telescopic cylinder 702 of each scaffolding segment 1 to raise its height; move the four steering wheels 703 at the bottom of each scaffolding segment 1 to move each segment to the construction area. After multiple scaffolding segments 1 are transferred to their positions, repeat the connection steps described above. In addition to using the sliding parts 7 for transfer, multiple scaffolding segments 1 can also be transferred using equipment such as forklifts. During transfer, the forklift's picks pull the double-layer steel pipe located at the middle reinforcement 9 of the scaffolding segment 1, and transfer the scaffolding segment 1 to the construction area, thus completing the rapid transfer of the scaffolding segments 1 and achieving the goal of rapid construction of the high-altitude concrete scaffolding structure in the shield tunnel.

[0042] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A rapid construction frame structure for high-altitude concrete structures in shield tunnels, characterized in that, Includes multiple frame segments, wall ties, connecting rods, and fasteners; Multiple frame segments are symmetrically arranged on both sides of the tunnel with the tunnel centerline as the axis; each frame segment has multiple connecting parts on both sides; each connecting part includes a connecting upright; between every two adjacent frame segments, the two ends of the connecting upright are connected to the two connecting uprights of the two frame segments by two fasteners to form a whole; The connecting rod has multiple vertical rods; Multiple frame segments are surrounded by pipe lining; the pipe lining has multiple connection holes; each connection hole has a thread; one end of each wall tie has a thread; one threaded end of each wall tie is threaded to the connection hole, and the other end is connected to the frame segment.

2. The rapid construction frame structure for high-altitude concrete structures in shield tunnels according to claim 1, characterized in that, The frame segment includes an adjusting component; the adjusting component is used to adjust the height of the frame segment.

3. The rapid construction frame structure for high-altitude concrete structures in shield tunnels according to claim 1, characterized in that, The frame segment also includes multiple sliding components; Multiple sliding members are located at the bottom of the frame segment for transferring the frame segment; the sliding members have two states: extended and retracted.

4. The rapid construction frame structure for high-altitude concrete structures in shield tunnels according to claim 1, characterized in that, The frame segment is divided into an inner frame and an outer frame; The inner side of the frame is close to the tunnel lining and is used to support the weight of the concrete structure; the outer side of the frame is away from the tunnel lining, and the top is a working platform.

5. The rapid construction frame structure for high-altitude concrete structures in shield tunnels according to claim 2, characterized in that, The adjusting component includes multiple base supports and top supports; Multiple base supports are located at the bottom of the frame segment and are height-adjustable, used to distribute the weight borne by the frame segment to the ground and to adjust the height of the frame segment; Multiple top supports are located at the top of the frame segment; the height of the top supports is adjustable, and templates are installed on them.

6. The rapid construction frame structure for high-altitude concrete structures in shield tunnels according to claim 3, characterized in that, The sliding component includes a support plate, a telescopic cylinder, and a steering wheel; The upper part of the support plate is connected to the frame segment, and the lower part is installed on the upper part of the telescopic cylinder; the steering wheel is installed on the lower part of the telescopic cylinder; the telescopic cylinder is used to raise or lower the frame segment; when the sliding member is in the extended state, the telescopic cylinder controls the frame segment to rise, and multiple sliding members bear the weight of the frame segment. At this time, the frame segment can be moved by moving multiple steering wheels.

7. The rapid construction frame structure for high-altitude concrete structures in shield tunnels according to claim 4, characterized in that, The outer side of the frame includes a working ladder, guardrails, and kickboards; The working ladder is located inside the outer side of the frame, with its bottom in contact with the ground and its top extending to the working platform; the guardrail is installed on the working platform away from the tunnel lining and on both sides; the kick plate is installed at the bottom of the guardrail.

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