Novel shield segment embedded part convenient to install

Abstract

The utility model discloses a novel shield segment embedded part convenient to install, and relates to the technical field of shield segment production. The embedded part comprises a fixing frame, a mold assembly and embedded part bodies, the mold assembly comprises a mold groove and a bottom plate, the bottom plate can be clamped at the bottom end of the mold groove in a sealed mode, a plurality of bolt rods which are annularly distributed at equal intervals are rotatably installed on the bottom plate, and the embedded part bodies are arranged on the bolt rods in a threaded and sleeved mode. A plurality of fixing plates which are distributed at equal intervals up and down are fixedly mounted on the outer rings of the plurality of embedded part bodies; the mold assembly comprises a mold groove and a bottom plate, the bottom plate can be clamped at the bottom end of the mold groove in a sealed mode, the mold groove is fixedly installed at the top end of the fixing frame, a plurality of bolt rods which are annularly distributed at equal intervals are rotatably installed on the bottom plate, and the bolt rods are all sleeved with the embedded part bodies in a threaded mode. And a plurality of fixing plates which are distributed at equal intervals up and down are fixedly mounted on the outer rings of the plurality of embedded part bodies.

Description

Technical Field

[0001] This utility model relates to the field of shield tunnel segment production technology, specifically a new type of pre-embedded component for shield tunnel segments that is easy to install. Background Technology

[0002] Shield tunnel segments are the main assembly components in shield tunneling. They are the innermost barrier of the tunnel, bearing the responsibility of resisting soil pressure, groundwater pressure, and some special loads. Shield tunnel segments are the permanent lining structure of shield tunnels. The quality of shield tunnel segments is directly related to the overall quality and safety of the tunnel, and affects the tunnel's waterproof performance and durability.

[0003] During the production of tunnel segments, internal threaded sleeves need to be pre-embedded inside them for the installation of supports on the subsequent segments. When the segments are precast and poured, the internal threaded sleeves are placed in designated positions within the mold. After the internal threaded sleeves are placed, they are prone to displacement during concrete pouring, which can lead to misalignment of the subsequent installation positions. Utility Model Content

[0004] To address the problem that the embedded internal threaded sleeve is prone to displacement during the casting of tunnel lining segments, leading to misalignment during subsequent installation, this utility model aims to provide a new type of embedded component for tunnel lining segments that is easy to install.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a novel pre-embedded component for shield tunnel segments that is easy to install, comprising a fixing frame, a mold assembly, and a pre-embedded component body. The mold assembly includes a mold groove and a base plate. The base plate is sealed and clamped at the bottom end of the mold groove. The mold groove is fixedly installed at the top end of the fixing frame. Multiple bolt rods are rotatably installed on the base plate in a ring and are evenly distributed. The pre-embedded component body is threaded onto each of the multiple bolt rods. Multiple fixing plates are fixedly installed on the outer ring of the multiple pre-embedded component bodies and are evenly distributed vertically.

[0006] Preferably, a support assembly is installed inside the fixed frame. The support assembly includes a support frame that is slidably installed inside the fixed frame. A threaded rod is rotatably installed at the bottom of the fixed frame, and a worm gear is fixedly installed at the bottom of the threaded rod. A threaded sleeve is fixedly installed on the lower surface of the support frame, and the threaded rod can be threadedly inserted into the threaded sleeve. A worm is rotatably installed at the bottom of the fixed frame, and the worm meshes with the worm gear. A motor is fixedly installed on one side of the bottom of the fixed frame, and the output end of the motor is fixedly connected to one end of the worm.

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0008] 1. In this utility model, by installing a bolt rod that is compatible with the internal threaded sleeve of the embedded part on the bottom plate of the mold, and threading the internal threaded sleeve embedded in the shield tunnel segment onto the bolt rod, it is easy to install the threaded sleeve embedded part in the shield tunnel segment, and it is not easy to displace or misalign during casting.

[0009] 2. In this utility model, by setting up a support component, the base plate can be supported during the pouring process to prevent the base plate from falling off during pouring. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the mold assembly structure of this utility model;

[0013] Figure 3 This is a schematic diagram of the cross-sectional structure of the base plate of this utility model;

[0014] Figure 4 This is a schematic diagram of the cross-sectional structure of the embedded part of this utility model;

[0015] Figure 5 This is a schematic diagram of the support component structure of this utility model.

[0016] In the diagram: 1. Fixing frame; 2. Mold assembly; 201. Mold groove; 2011. Slot; 202. Base plate; 2021. Block; 3. Embedded part body; 301. Fixing plate; 4. Support assembly; 401. Support frame; 402. Threaded sleeve; 403. Threaded rod; 404. Worm gear; 405. Worm; 406. Motor; 5. Bolt rod. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example: Figure 1-5As shown, this utility model provides a novel pre-embedded component for shield tunnel segments that is easy to install. It includes a fixing frame 1, a mold assembly 2, and an embedded component body 3. The mold assembly 2 is used to manufacture molds for shield tunnel segments. The fixing frame 1 supports and fixes the mold groove 201. The embedded component body 3 is an internally threaded sleeve pre-embedded within the shield tunnel segment. The mold assembly 2 includes a mold groove 201 and a base plate 202. The base plate 202 is sealably mounted on the bottom end of the mold groove 201. The mold groove 201 is fixedly installed on the top of the fixing frame 1. Multiple bolt rods 5 are rotatably mounted on the base plate 202 at equal intervals in a ring. Each bolt rod 5 is threaded with an embedded component body 3. Multiple fixing plates 301, equally spaced vertically, are fixedly mounted on the outer ring of each embedded component body 3. By providing a detachable base plate 202, the embedded component body 3 can be installed within the shield tunnel segment according to different processing requirements. The number of embedded parts required varies, so the base plate 202 with different numbers of bolt rods 5 and embedded part bodies 3 is replaced to produce shield tunnel segments that meet the requirements. The matching base plate 202 is installed at the bottom of the mold groove 201, and the bottom opening of the mold groove 201 is sealed. Then, the embedded part body 3 is installed on the bolt rods 5 on the base plate 202. Next, concrete is poured into the mold groove 201. After the concrete in the mold groove 201 has solidified, the bolt rods 5 can be loosened with tools to detach the bolt rods 5 from the embedded part body 3, thereby removing the base plate 202 from the mold groove 201, which facilitates subsequent demolding. The embedded part body 3 is then pre-embedded and installed in the shield tunnel segment. This process is simple and quick, and it is not easy to shift or misalign during pouring. The fixing plate 301 on the embedded part body 3 can increase the stability of the embedded part body 3.

[0019] The bottom of the mold groove 201 has multiple ring-shaped slots 2011 on both sides. The bottom plate 202 has multiple ring-shaped blocks 2021 fixedly installed on both sides. The blocks 2021 can be locked in the corresponding slots 2011, so that the blocks 2021 on the bottom plate 202 are locked in the corresponding slots 2011 at the bottom of the mold groove 201.

[0020] A support assembly 4 is installed inside the fixed frame 1. The support assembly 4 includes a support frame 401, which is slidably installed inside the fixed frame 1. A threaded rod 403 is rotatably installed at the bottom of the fixed frame 1, and a worm gear 404 is fixedly installed at the bottom of the threaded rod 403. A threaded sleeve 402 is fixedly installed on the lower surface of the support frame 401, and the threaded rod 403 can be threadedly inserted into the threaded sleeve 402. A worm 405 is rotatably installed at the bottom of the fixed frame 1, and the worm 405 meshes with the worm gear 404. A motor 406 is fixedly installed on one side of the bottom of the fixed frame 1, and the output end of the motor 406 is connected to one end of the worm 405. The fixed connection allows the support component 4 to support the base plate 202, preventing it from falling off during casting. After the locking block 2021 on the base plate 202 is locked into the corresponding locking groove 2011 at the bottom of the mold groove 201, the motor 406 drives the worm gear 405 to rotate, the worm gear 405 drives the worm wheel 404 to rotate, the worm wheel 404 drives the threaded rod 403 to rotate, the threaded rod 403 drives the threaded sleeve 402 to rise, and the threaded sleeve 402 drives the support frame 401 to slide and rise within the fixed frame 1 until the support frame 401 is completely in contact with the lower surface of the base plate 202, thus supporting the base plate 202.

[0021] Working principle: When using this utility model, firstly, according to the actual processing requirements, the matching base plate 202 is installed at the bottom end of the mold groove 201 to seal the bottom opening of the mold groove 201. Then, the motor 406 drives the worm gear 405 to rotate, the worm gear 405 drives the worm wheel 404 to rotate, the worm wheel 404 drives the threaded rod 403 to rotate, the threaded rod 403 drives the threaded sleeve 402 to rise, and the threaded sleeve 402 drives the support frame 401 to slide and rise within the fixed frame 1 until the support frame 401 is completely in contact with the lower surface of the base plate 202 to support the base plate 202 and prevent the base plate 202 from falling off during casting.

[0022] Then, the embedded part body 3 is installed on the bolt rod 5 on the base plate 202. Next, concrete is poured into the mold groove 201. After the concrete in the mold groove 201 has solidified, the bolt rod 5 can be loosened with a tool to detach the bolt rod 5 from the embedded part body 3, thereby removing the base plate 202 from the mold groove 201, which facilitates subsequent demolding. Thus, the embedded part body 3 is pre-embedded and installed in the shield tunnel segment. It is simple and quick, and it is not easy to shift or misalign during pouring. The fixing plate 301 on the embedded part body 3 can increase the stability of the embedded part body 3.

[0023] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0024] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A novel pre-embedded component for tunnel boring machine segments that is easy to install, comprising a fixing frame (1), a mold assembly (2), and a pre-embedded component body (3), characterized in that: The mold assembly (2) includes a mold groove (201) and a base plate (202). The base plate (202) is sealed and clamped at the bottom end of the mold groove (201). The mold groove (201) is fixedly installed at the top of the fixing frame (1). A plurality of bolt rods (5) are rotatably installed on the base plate (202) and are distributed in a ring. A pre-embedded part body (3) is threaded on each of the bolt rods (5). A plurality of fixing plates (301) are fixedly installed on the outer ring of each of the pre-embedded part bodies (3) and are distributed in a ring ...

2. The novel embedded component for shield tunnel segments that is easy to install as described in claim 1, characterized in that, The bottom of the mold groove (201) has multiple ring-shaped slots (2011) on both sides, and the bottom plate (202) has multiple ring-shaped blocks (2021) fixedly installed on both sides, and the blocks (2021) can be locked in the corresponding slots (2011).

3. The novel embedded component for shield tunnel segments that is easy to install as described in claim 1, characterized in that, The fixed frame (1) is equipped with a support component (4), which includes a support frame (401) that is slidably installed inside the fixed frame (1).

4. A novel pre-embedded component for shield tunnel segments that is easy to install, as described in claim 1, characterized in that, The bottom of the fixed frame (1) is rotatably mounted with a threaded rod (403), and a worm gear (404) is fixedly mounted at the bottom of the threaded rod (403).

5. A novel pre-embedded component for shield tunnel segments that is easy to install, as described in claim 3, is characterized in that... A threaded sleeve (402) is fixedly installed on the lower surface of the support frame (401), and the threaded rod (403) can be threadedly inserted into the threaded sleeve (402).

6. A novel pre-embedded component for shield tunnel segments that is easy to install, as described in claim 1, characterized in that, The bottom of the fixed frame (1) is rotatably mounted with a worm (405), and the worm (405) meshes with the worm wheel (404).

7. A novel embedded component for tunnel segments that is easy to install, as described in claim 1, characterized in that, A motor (406) is fixedly installed on one side of the bottom end of the fixed frame (1), and the output end of the motor (406) is fixedly connected to one end of the worm gear (405).

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