CN211500664U

CN211500664U - Temporary supporting structure of shield communication channel

Info

Publication number: CN211500664U
Application number: CN202020174598.7U
Authority: CN
Inventors: 张道兵; 孙望成; 张佳华; 尹华东; 蒋瑾; 蔚彪; 马宗宇
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2020-02-16
Filing date: 2020-02-16
Publication date: 2020-09-15
Anticipated expiration: 2030-02-16

Abstract

The application discloses shield constructs interim bearing structure of contact passageway includes: a shield segment; the supporting assembly is arranged on the inner wall of the shield segment and comprises a plurality of transverse supporting frames and a plurality of vertical supporting frames which are vertically arranged with the transverse supporting frames and used for supporting the transverse supporting frames, reinforcing cross beams are arranged among the vertical supporting frames, and a plurality of upward supporting stand columns are arranged on the reinforcing cross beams; and the upper ends of the prestress devices are fixedly connected with the supporting component, and the lower ends of the prestress devices are fixed on the shield segment and used for supporting the supporting component and the shield segment. Compared with the existing supporting structure, the supporting structure has the advantages that the number of partial horizontal and vertical supporting rods is reduced, a larger construction space is provided, the supporting structure is abutted against the vertical supporting frame, the reinforcing cross beam of the horizontal supporting frame and the supporting stand column of the shield segment, the supporting component is supplemented to longitudinally transfer force in the shield segment, and the stability of the supporting component is improved.

Description

Temporary supporting structure of shield communication channel

[ technical field ] A method for producing a semiconductor device

The application relates to the technical field of tunnel shield construction, in particular to a shield connection channel temporary supporting structure.

[ background of the invention ]

In subway shield tunnel contact channel construction, for guaranteeing that contact channel position section of jurisdiction warp at the allowed range, need set up interim support before the section of jurisdiction cutting is demolishd, current shield contact channel supports temporarily through setting up a plurality of horizontal and fore-and-aft support columns and supports, but owing to set up too much support column and can occupy more area, reduce workman construction operation face, bring certain potential safety hazard for the follow-up construction operation of workman.

[ Utility model ] content

This application will be solved current shield and construct contact passageway and support through setting up a plurality of horizontal and fore-and-aft support columns temporarily, but owing to set up too much support column and can occupy more area, reduce workman construction operation face, bring the technical problem of certain potential safety hazard for workman's follow-up construction operation, provide shield and construct the interim bearing structure of contact passageway.

In order to solve the technical problem, the method is realized by the following technical scheme:

a shield-access temporary support structure comprising:

a shield segment;

the supporting assembly is arranged on the inner wall of the shield segment and comprises a plurality of transverse supporting frames which are transversely arranged and a plurality of vertical supporting frames which are vertically arranged with the transverse supporting frames and are used for supporting the transverse supporting frames, reinforcing cross beams are further arranged among the vertical supporting frames and along the length direction of the shield segment, and a plurality of supporting stand columns which extend towards the inner wall of the shield segment are arranged on the reinforcing cross beams;

and the upper ends of the prestress devices are fixedly connected with the supporting component, and the lower ends of the prestress devices are fixed on the shield segment and used for supporting the supporting component and the shield segment.

The prestressing device includes:

the lower ends of the two steel plate brackets are fixed on the shield pipe sheet, and the upper ends of the two steel plate brackets are fixed on the transverse supporting frame;

the thread plate is arranged between the two steel plate brackets;

and the supporting device is arranged on the thread plate, and one end of the supporting device props the transverse supporting frame.

The support device includes:

the screw rod penetrates through the threaded plate, a threaded hole is formed in the threaded plate, the screw rod is in threaded connection with the threaded hole, and a fixing nut is further arranged on the screw rod below the threaded plate;

the push plate is arranged at the top of the screw rod, and the screw rod moves upwards to enable the push plate to abut against the transverse supporting frame.

And a rubber pad is arranged on the top surface of the push plate.

The shield segment is an adjacent ring shield segment and a split ring shield segment.

The plurality of transverse supporting frames and the plurality of vertical supporting frames are matched to form a walking channel.

The push plate and the screw are connected in a welding mode.

The materials of the transverse support frames, the vertical support frames, the reinforcing cross beams and the support columns are Q235B carbon steel.

Compared with the prior art, the application has the following advantages:

in the technical scheme, the transverse support frame and the vertical support frame are used for supporting the shield segment, and a prestressing device for increasing supporting force and stress is arranged between the transverse supporting frame and the shield segment, compared with the existing supporting structure, the prestressing device reduces partial transverse and vertical supporting rods, provides larger construction space, the reinforcing cross beams abutting against the vertical support frame and the transverse support frame and the support upright posts abutting against the shield segment are arranged to provide longitudinal force transmission for supplementing the support component in the shield segment and improve the stability of the support component, the temporary support of the existing shield communication channel is supported by arranging a plurality of transverse and longitudinal support columns, but because set up too much support column and can occupy more area, reduce workman construction operation face, bring the problem of certain potential safety hazard for workman's follow-up construction operation.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of a shield communication channel temporary support structure according to the present application.

Fig. 2 is a schematic view of adjacent ring shield segments of the present application.

Fig. 3 is a schematic view of a split ring shield segment of the present application.

Fig. 4 is an elevation view of the prestressing device of the present application.

Fig. 5 is a plan view of the prestressing device of the present application.

[ detailed description ] embodiments

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

As shown in fig. 1 to 5, a shield communication passage temporary support structure includes: a shield segment 10; the supporting assembly 20 is arranged on the inner wall of the shield segment 10, the supporting assembly 20 comprises a plurality of transverse supporting frames 210 which are transversely arranged and a plurality of vertical supporting frames 220 which are vertically arranged with the transverse supporting frames 210 and are used for supporting the transverse supporting frames 210, reinforcing cross beams 230 are further arranged among the plurality of vertical supporting frames 220 and along the length direction of the shield segment 10, and a plurality of supporting upright posts 240 which extend towards the inner wall of the shield segment 10 are arranged on the reinforcing cross beams 230; the upper ends of the prestress devices 30 are fixedly connected with the support assemblies 20, and the lower ends of the prestress devices are fixed on the shield segment 10 and used for supporting the support assemblies 20 and the shield segment 10. In the embodiment of the present application, the horizontal support frame 210 and the vertical support frame 220 are used for supporting the shield segment 10, and the horizontal support frame 210 and the pre-stressing device 30 for increasing the support force and stress are arranged between the shield segments 10, so that compared with the existing support structure, the number of the partial horizontal and vertical support rods is reduced, a larger space is provided, and the support columns 240 are arranged to abut against the vertical support frame 220 and the reinforcing beam 230 of the horizontal support frame 210 and the support column 240 abutting against the shield segment 10, so as to provide support supplement for the longitudinal force transmission of the support component 20 in the shield segment 10, thereby improving the stability of the support component 20.

The prestressing device 30 comprises: at least two steel plate supports 310, the lower ends of which are fixed on the shield segment 10 and the upper ends of which are fixed on the transverse support frame 210; a thread plate 320 provided between the two steel plate brackets 310; the supporting device 330 is disposed on the thread plate 320, and one end of the supporting device 330 supports the transverse supporting frame 210. The steel plate support 310 is used for supporting the shield segment 10 with the transverse support frame 210, and set up the strutting arrangement 330 forms three strong point, possesses better supporting effect, the steel plate support 310 with strutting arrangement 330 is used for providing stress, reduces the stress to supporting component 20 when the shield segment 10 produces deformation, reduces the scope that the shield segment 10 warp provides the support, simple structure, simple to operate.

The supporting device 330 includes: a screw 3310 passing through the screw plate 320, the screw plate 320 having a threaded hole 3210, the screw 3310 being in threaded connection with the threaded hole 3210, the screw 3310 being located below the screw plate 320 further having a fixing nut 3320; a push plate 3330 disposed on the top of the screw 3310, wherein the screw 3310 moves upward to make the push plate 3330 abut against the lateral support frame 210. The supporting device 330 is used for providing stress, reducing the stress to the supporting component 20 when the shield segment 10 deforms, reducing the deformation range of the shield segment 10, and providing support.

And a rubber pad 3340 is arranged on the top surface 3331 of the push plate 3330. The rubber pad 3340 is used for shock absorption and increases the friction between the push plate 3330 and the transverse support frame 210.

The shield segment 10 is an adjacent ring shield segment 110 and a split ring shield segment 120. The adjacent ring shield segment 110 and the split ring shield segment 120 are commonly used segments, and the shield segment 10 in this embodiment may be the adjacent ring shield segment 110 without an opening or the split ring shield segment 120 with an opening.

The plurality of the lateral support frames 210 and the plurality of the vertical support frames 220 cooperate to form a walking channel 40. The walking channel 40 is convenient for workers to walk and remove, has larger moving space compared with the temporary support arranged in the past, and is convenient for the workers to enter the shield segment 10 to remove segments and supports.

The push plate 3330 and the screw 3310 are connected by welding. The push plate 3330 and the screw 3310 are fixed by welding, so that better supporting force is provided.

The material of the transverse support frame 210, the vertical support frame 220, the reinforcing cross beam 230 and the support upright 240 is Q235B carbon steel. The Q235B carbon steel has good toughness, good plasticity, certain elongation, good welding performance and heating performance.

As described above, the embodiments of the present application have been described in detail, but the present application is not limited to the above embodiments. Even if various changes are made in the present application, the protection scope of the present application is still included.

Claims

1. The utility model provides a shield constructs interim bearing structure of contact passageway which characterized in that includes:

a shield segment (10);

the supporting assembly (20) is arranged on the inner wall of the shield segment (10), the supporting assembly (20) comprises a plurality of transverse supporting frames (210) which are transversely arranged and a plurality of vertical supporting frames (220) which are vertically arranged with the transverse supporting frames (210) and are used for supporting the transverse supporting frames (210), reinforcing cross beams (230) are further arranged among the vertical supporting frames (220) and along the length direction of the shield segment (10), and a plurality of supporting upright columns (240) extending towards the inner wall of the shield segment (10) are arranged on the reinforcing cross beams (230);

the upper ends of the prestress devices (30) are fixedly connected with the supporting assemblies (20), and the lower ends of the prestress devices are fixed on the shield segment (10) and used for supporting the supporting assemblies (20) and the shield segment (10).

2. The shield communication channel temporary support structure of claim 1, wherein: the prestressing device (30) comprises:

the lower ends of the two steel plate supports (310) are fixed on the shield segment (10), and the upper ends of the two steel plate supports are fixed on the transverse support frame (210);

a thread plate (320) provided between the two steel plate brackets (310);

and the supporting device (330) is arranged on the thread plate (320), and one end of the supporting device (330) props the transverse supporting frame (210).

3. The shield communication channel temporary support structure of claim 2, wherein: the support device (330) comprises:

the screw rod (3310) penetrates through the thread plate (320), a thread hole (3210) is formed in the thread plate (320), the screw rod (3310) is in threaded connection with the thread hole (3210), and a fixing nut (3320) is further arranged on the screw rod (3310) below the thread plate (320);

the push plate (3330) is arranged at the top of the screw rod (3310), and the screw rod (3310) moves upwards so that the push plate (3330) abuts against the transverse support frame (210).

4. The shield communication channel temporary support structure of claim 3, wherein: and a rubber pad (3340) is arranged on the top surface (3331) of the push plate (3330).

5. The shield communication channel temporary support structure of claim 1, wherein: the shield segment (10) is an adjacent ring shield segment (110) and a split ring shield segment (120).

6. The shield communication channel temporary support structure of claim 1, wherein: the plurality of transverse supporting frames (210) and the plurality of vertical supporting frames (220) are matched to form a walking channel (40).

7. The shield communication channel temporary support structure of claim 3, wherein: the push plate (3330) and the screw rod (3310) are connected by welding.

8. The shield communication channel temporary support structure of claim 1, wherein: the materials of the transverse support frame (210), the vertical support frame (220), the reinforcing cross beam (230) and the support upright post (240) are Q235B carbon steel.