CN213331102U - Shield constructs sealed stagnant water structure of portal of starting - Google Patents
Shield constructs sealed stagnant water structure of portal of starting Download PDFInfo
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- CN213331102U CN213331102U CN202021947978.6U CN202021947978U CN213331102U CN 213331102 U CN213331102 U CN 213331102U CN 202021947978 U CN202021947978 U CN 202021947978U CN 213331102 U CN213331102 U CN 213331102U
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Abstract
The utility model relates to a shield constructs sealed stagnant water structure in portal of starting, including pre-buried steel ring, pre-buried steel ring is pre-buried to starting on the portal, pre-buried steel ring includes four arc billet, four the arc billet encloses into cyclic annularly, be fixed with "U" shape draw-in groove of ring arrangement on the pre-buried steel ring, be fixed with spring steel bundle in the draw-in groove, spring steel bundle includes a plurality of crisscross range upon range of spring steel pieces of arranging, spring steel's one end all stretches out the draw-in groove and the direction the centre of a circle of the circle that the draw-in groove encloses. The utility model has the advantages that the structure adopts the splicing type installation, the operation is simple, the installation is convenient, meanwhile, the elastic steel sheet bundle has strong stability, higher strength and difficult falling, the friction requirement with the shield body is met, and the resilience and the sealing performance are greatly improved; the problem of current stagnant water curtain cloth installation inconvenient, the leakproofness is not strong, rubber tensile strength is lower is solved, the practicality is strong.
Description
Technical Field
The utility model relates to a shield constructs construction field, more specifically, the utility model relates to a shield constructs originating portal sealing water stop structure.
Background
In the shield construction process, the starting tunnel portal needs to be sealed, and the common method is to adopt the installation of rubber curtain cloth and a folding plate to achieve the aim of sealing the tunnel portal.
However, the method can only be used for constructing the tunnel by a shield method under relatively good construction conditions and low water and soil pressure. However, the above-mentioned tunnel portal sealing construction method mainly has the following defects: when the starting posture of the shield body is not good, the shield body is easy to extrude with the folding plate, so that the folding plate is damaged and is not easy to take out; meanwhile, the sealing is mainly made of rubber, and the rubber is relatively low in tensile strength and is easy to damage in the shield construction process, so that water burst and sand burst accidents are caused.
Therefore, a strong tensile strength, strong and durable originating tunnel door sealing and water stopping structure is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solve the current problem that the sealed stagnant water structure tensile property of originating hole door is poor, fragile.
According to an aspect of the utility model provides a shield constructs sealed stagnant water structure of portal of launching, including pre-buried steel ring, pre-buried steel ring is pre-buried to launching on the portal, pre-buried steel ring includes four arc billet, four the arc billet encloses into cyclic annularly, be fixed with "U" shape draw-in groove of ring arrangement on the pre-buried steel ring, be fixed with spring steel bundle in the draw-in groove, spring steel bundle includes a plurality of crisscross range upon range of spring steel sheets of arranging, spring steel's one end all stretches out the draw-in groove and the direction the centre of a circle of the circle that the draw-in groove encloses.
Through the scheme, the structure is installed in a splicing mode, the operation is simple, the installation is convenient, meanwhile, the elastic steel sheet bundle is strong in stability and higher in strength and is not easy to fall off, the friction requirement with the shield body is met, and the resilience and the sealing performance are greatly improved; the problem of current stagnant water curtain cloth installation inconvenient, the leakproofness is not strong, rubber tensile strength is lower is solved, the practicality is stronger.
Preferably, the four arc-shaped clamping grooves are enclosed into a circle, and each clamping groove is fixed to a connecting seam between the arc-shaped steel bars.
Through this scheme, can further improve the stability of pre-buried steel ring with pre-buried steel ring staggered arrangement's draw-in groove, play the effect of strengthening, can also seal the seam crossing on the pre-buried steel ring, improve sealing performance.
Preferably, the top of the spring steel sheet is provided with two fixing holes, the distance between the two fixing holes is smaller than the width of the spring steel sheet, and a bolt sequentially penetrates through the clamping groove and the fixing holes and then is fixed to the embedded steel ring.
Through the scheme, the distance between the fixing holes can keep the sealing performance between the steel sheets when each spring steel sheet is fixed with the adjacent spring steel sheet.
Preferably, two connecting lugs protrude from one end, located in the clamping groove, of the spring steel sheet, and the two fixing holes are respectively formed in the two connecting lugs.
Through this scheme, the engaging lug of outstanding setting can add long moment, under the prerequisite that improves the elasticity effect, alleviates elastic steel sheet's weight.
Preferably, both sides of the spring steel sheet bundle are provided with cover plates, the cover plates at least cover the connecting lugs, and the clamping grooves are wrapped on the outer sides of the cover plates.
Through the scheme, the cover plate can protect the spring steel sheet, avoid the spring steel sheet from being bent and broken too much, and improve the tensile strength; and certain sealing effect can be achieved between the spring steel sheets, and the sealing effect of the structure is improved.
The utility model discloses a technological effect lies in, this structure adopts concatenation formula installation, easy operation, simple to operate, and the stable in structure that spring steel piece restrainted simultaneously, intensity is higher, is difficult for droing, satisfies the friction demand with the shield body, has greatly improved resilience and leakproofness. The problem of current stagnant water curtain cloth installation inconvenient, the leakproofness is not strong, rubber tensile strength is lower is solved, the practicality is stronger.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic view of a shield starting tunnel portal sealing water-stopping structure implemented by the utility model.
Fig. 2 is a schematic sectional view taken along the line a-a in fig. 1.
Fig. 3 is a schematic diagram of the structure at B in fig. 1.
Fig. 4 is a schematic structural diagram of a pre-buried steel ring in the shield originating tunnel portal sealing water-stopping structure of fig. 1.
Fig. 5 is a schematic view of an installation structure of a clamping groove and an elastic steel sheet bundle in the shield starting tunnel portal sealing water-stopping structure of fig. 1.
Fig. 6 is a schematic structural diagram of an elastic steel sheet in the shield originating tunnel portal sealing water-stopping structure of fig. 1.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Examples
As shown in fig. 1 to 3, the shield starting tunnel portal sealing and water stopping structure in this embodiment includes an embedded steel ring 1100, the embedded steel ring 1100 is embedded in a starting tunnel portal (not shown in the drawings), the embedded steel ring 1100 includes four arc-shaped steel bars 1110, the four arc-shaped steel bars 1110 surround to form a ring, a "U" -shaped slot 1200 arranged in a ring shape is fixed on the embedded steel ring 1100, a spring steel sheet bundle 1300 is fixed in the slot 1200, the spring steel sheet bundle 1300 includes a plurality of spring steel sheets 1310 arranged in a staggered and stacked manner, and one end of each spring steel sheet 1310 extends out of the slot 1200 and points to a center of a circle surrounded by the slot 1200.
According to the scheme, the structure is installed in a splicing mode, the operation is simple, the installation is convenient, meanwhile, the elastic steel sheet bundle 1300 is high in stability and strength and not prone to falling off, the friction requirement between the elastic steel sheet bundle and the shield body is met, and the resilience and the sealing performance are greatly improved; the problem of current stagnant water curtain cloth installation inconvenient, the leakproofness is not strong, rubber tensile strength is lower is solved, the practicality is stronger.
A plurality of bolt holes are uniformly arranged on the embedded steel ring 1100 in the embodiment, so that the clamping groove 1200 and the spring steel sheet bundle 1300 can be conveniently fixed; the spring steel sheet bundle 1300 comprises 29 layers of spring steel sheets 1310 with the thickness of 0.6mm, wherein the length of the rear end part of the material of the spring steel sheets 1310 is determined according to the gap between the portal embedded steel ring 1100 and the duct piece, and is usually 600 mm; the spring steel sheet bundle 1300 is coated with grease to improve sealability.
In this embodiment or other embodiments, the four arc-shaped slots 1200 are enclosed into a circle, and each of the slots 1200 is fixed to the connecting seam of the arc-shaped steel bars 1110. Draw-in groove 1200 with arc billet 1110 staggered arrangement can further improve pre-buried steel ring 1100's stability, plays the effect of strengthening, can also seal the seam crossing on the pre-buried steel ring 1100, improves sealing performance.
In this embodiment or other embodiments, two fixing holes 1311 are disposed on the top of the spring steel plate 1310, the distance between the two fixing holes 1311 is smaller than the width of the spring steel plate 1310, and the bolt 1210 sequentially passes through the slot 1200 and the fixing holes 1311 and then is fixed to the embedded steel ring 1100. The spacing of the fixing holes 1311 is such that each spring steel sheet 1310 is fixed to the adjacent spring steel sheet 1310 without a gap, thereby maintaining the sealing performance of the spring steel sheet bundle 1300.
In this embodiment or other embodiments, two engaging lugs 1312 protrude from one end of the spring steel sheet 1310 located in the slot 1200, two fixing holes 1311 are respectively disposed on the two engaging lugs 1312, and the protruding engaging lugs 1312 can increase the moment, so that the weight of the spring steel sheet 1310 is reduced on the premise of improving the elastic effect, and the installation and use are convenient.
In this embodiment or other embodiments, the cover plates 1220 are disposed on both sides of the spring steel sheet bundle 1300, the cover plates 1220 at least cover the connecting lugs 1312, the locking slots 1200 are wrapped on the outer sides of the cover plates 1220, and the cover plates 1220 can protect the spring steel sheets 1310, prevent the spring steel sheets 1310 from being bent too much and broken, and improve the tensile strength; and certain sealing effect can be achieved between the spring steel sheets 1310, and the sealing effect of the structure is further improved.
The cover plates 1220 in this embodiment are arc-shaped, the radian of each cover plate is consistent with that of each slot 1200, two cover plates 1220 which are parallel to each other are arranged in each slot 1200, and the spring steel sheet bundle 1300 is clamped between the cover plates 1220 to be fixed.
A technical effect of this embodiment lies in, this structure adopts the concatenation formula installation, easy operation, simple to operate, and the stable in structure that spring steel restrainted simultaneously, intensity is higher, is difficult for droing, satisfies the friction demand with the shield body, has greatly improved resilience and leakproofness. The problem of current stagnant water curtain cloth installation inconvenient, the leakproofness is not strong, rubber tensile strength is lower is solved, the practicality is stronger.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (5)
1. The utility model provides a shield constructs sealed stagnant water structure of portal of starting, includes pre-buried steel ring, pre-buried steel ring is pre-buried to the portal of starting on, pre-buried steel ring includes four arc billet, four the arc billet encloses into cyclic annularly, a serial communication port, be fixed with "U" shape draw-in groove of ring arrangement on the pre-buried steel ring, be fixed with spring steel sheet bundle in the draw-in groove, spring steel sheet bundle includes a plurality of crisscross range upon range of spring steel sheets of arranging, spring steel sheet's one end all stretches out the draw-in groove and point to the centre of a circle of the circle that the draw-in groove encloses.
2. The shield originating portal sealing and water stopping structure according to claim 1, wherein four arc-shaped clamping grooves are formed in a circular shape, and each clamping groove is fixed to a connecting joint between the arc-shaped steel bars.
3. The shield starting tunnel door sealing and water stopping structure according to claim 2, wherein two fixing holes are formed in the top of the spring steel sheet, the distance between the two fixing holes is smaller than the width of the spring steel sheet, and a bolt sequentially penetrates through the clamping groove and the fixing holes and then is fixed to the embedded steel ring.
4. The seal water-stop structure for the shield starting tunnel portal according to claim 3, wherein two connection lugs protrude from one end of the spring steel sheet located in the slot, and two fixing holes are respectively arranged on the two connection lugs.
5. The shield starting tunnel door sealing and water stopping structure according to claim 4, wherein cover plates are arranged on two sides of the spring steel sheet bundle, the cover plates at least cover the connecting lugs, and the clamping grooves are wrapped to the outer sides of the cover plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947978.6U CN213331102U (en) | 2020-09-08 | 2020-09-08 | Shield constructs sealed stagnant water structure of portal of starting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947978.6U CN213331102U (en) | 2020-09-08 | 2020-09-08 | Shield constructs sealed stagnant water structure of portal of starting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213331102U true CN213331102U (en) | 2021-06-01 |
Family
ID=76060792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021947978.6U Active CN213331102U (en) | 2020-09-08 | 2020-09-08 | Shield constructs sealed stagnant water structure of portal of starting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213331102U (en) |
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2020
- 2020-09-08 CN CN202021947978.6U patent/CN213331102U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220422 Address after: 200000 No. 1, Fenghe Road, pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: China Construction port and Waterway Bureau Group Co.,Ltd. Address before: No.68, Jiading Road, Shibei District, Qingdao, Shandong Province Patentee before: CHINA STATE CONSTRUCTION PORT ENGINEERING GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |