CN212375904U - Assembled underground pedestrian passageway unit, assembly and underground pedestrian passageway - Google Patents
Assembled underground pedestrian passageway unit, assembly and underground pedestrian passageway Download PDFInfo
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- CN212375904U CN212375904U CN202020542532.9U CN202020542532U CN212375904U CN 212375904 U CN212375904 U CN 212375904U CN 202020542532 U CN202020542532 U CN 202020542532U CN 212375904 U CN212375904 U CN 212375904U
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Abstract
The utility model discloses an assembled underground pedestrian passageway unit, an assembly and an underground pedestrian passageway, wherein the underground pedestrian passageway unit comprises a U-shaped component which is integrally formed by two side plates and a connecting plate; first mounting holes for the prestressed component to extend into are formed in the top end faces of the two side plates, and first hand holes communicated with the corresponding first mounting holes are formed in the inner side faces of the side plates; the lower parts of two side end surfaces of the side plates are respectively provided with a second mounting hole for the prestressed component to extend into, and the inner side surfaces of the side plates are provided with second hand holes communicated with the corresponding second mounting holes; the first mounting hole is a vertically arranged hole, and the second mounting hole is consistent with the length direction of the underground pedestrian passageway. Therefore, the upper U-shaped member, the lower U-shaped member and the adjacent assemblies are tensioned in a counter-pulling mode through the prestress members, and therefore reliable connection of adjacent pedestrian passageway sections is achieved. And the prestressed component is convenient to install, and two ends of the prestressed component are pre-tightened and oppositely pulled to be operated through hand holes, so that the construction efficiency is greatly improved.
Description
Technical Field
The utility model relates to an assembly type structure field especially relates to an assembled secret pedestrian passageway unit, subassembly and secret pedestrian passageway.
Background
At present, China is in the development period of the assembly type building, and the assembly type building technology is being vigorously developed. The novel assembled underground pedestrian passageway is researched, the engineering construction quality can be efficiently improved, the construction efficiency is improved, the construction difficulty is reduced, the safety risk is reduced, good economic benefits are generated, and the requirements of energy conservation, environmental pollution reduction, cost reduction and efficiency improvement of enterprises are met.
The construction mode of the pedestrian passageway at the present stage is usually open cut construction, large-scale enclosure construction needs to be carried out on a road, the influence on traffic is large, and due to the fact that wet operation is mainly carried out on site, multiple formwork supporting including a bottom formwork, a side formwork and a top formwork needs to be carried out, construction propulsion of a standard section can be completed after the construction is completed in sequence, the number of site workers is large, the number of working procedures is large, the construction period is long, reinforcing steel bars are bound, formwork supporting plates are supported, supporting is erected, concrete is poured and the like, safety accidents are easy to occur, the site civilized construction is poor, noise pollution and dust pollution are difficult to control effectively. Moreover, the construction techniques of workers are uneven, concrete curing is often not in place, the engineering quality is difficult to guarantee, the problems of water leakage and water seepage of pedestrian passages are easily caused, and unnecessary troubles are brought to the later use process of owners.
CN209907234U, CN104018437A et al disclose fabricated underground shaft segments which are assembled from at least two prefabricated parts to form an annular segment. Although the assembly of the prefabricated components to form the pedestrian passageway can improve the construction efficiency, the sections do not consider the reliable connection between the prefabricated components and between the sections, and the risks of water leakage, collapse and the like exist after long-term use.
CN208830353U, CN208884288U, etc. disclose multi-segment fabricated underground manway segments, which are cast-in-situ connected by at least two prefabricated components, and a plurality of segments are cast-in-situ connected to form the manway. Although the structure avoids the risks of water leakage, collapse and the like, the structure still needs on-site formwork support and pouring, and the construction efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a connect reliable and assembly underground pedestrian passageway unit that efficiency of construction is high, subassembly and underground pedestrian passageway.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an assembled underground pedestrian passage unit comprises a U-shaped component which is integrally formed by two side plates and a connecting plate; first mounting holes for the first prestress member to extend into are formed in the top end faces of the two side plates, and first hand holes communicated with the corresponding first mounting holes are formed in the inner side faces of the side plates; the lower parts of two side end faces of the side plate are respectively provided with a second mounting hole for a second prestress member to extend into, and the inner side face of the side plate is provided with a second hand hole communicated with the corresponding second mounting hole; the first mounting hole is a vertically arranged hole, and the second mounting hole is consistent with the length direction of the underground pedestrian passageway.
Therefore, the upper U-shaped member and the lower U-shaped member are butted to form a pedestrian passageway section, and the upper U-shaped member and the lower U-shaped member are tensioned in a counter-pulling mode through the prestressed members, so that the upper U-shaped member and the lower U-shaped member are reliably connected; and then the plurality of pedestrian passageway segments are sequentially butted, and the adjacent pedestrian passageway segments are also tensioned in a counter-pulling manner through the prestressed components, so that the reliable connection of the adjacent pedestrian passageway segments is realized. And the prestressed component is convenient to install, and two ends of the prestressed component are pre-tightened and oppositely pulled to be operated through hand holes, so that the construction efficiency is greatly improved.
As a further improvement of the above technical solution:
in order to avoid seam leakage between adjacent members, grooves for containing sealant are formed in the side end faces of the U-shaped members and the top end faces of the two side plates, the sealant is smeared after the members are butted conveniently, and the grooves penetrate through the inner side faces of the U-shaped members to form gaps.
In order to facilitate the butt joint assembly of adjacent components, a mortise is formed in one side end face of the U-shaped component, and a tenon matched with the mortise of the adjacent U-shaped component is arranged on the other side end face of the U-shaped component. Therefore, after the underground pedestrian passageway is formed by installation, a water-stopping tongue-and-groove is formed between the left and right adjacent underground pedestrian passageway components, so that the water-stopping effect is improved.
The first mounting hole penetrates through the upper end face and the lower end face of the side plate, so that the prestress member can be inserted after the upper U-shaped member and the lower U-shaped member are butted, and the mounting efficiency can be further improved.
The top end face of the side plate is provided with a positioning hole for the positioning pin to extend into, or the top end face of the side plate is provided with at least one positioning pin and at least one positioning hole. Through locating pin installation location, can fix a position assembled underground pedestrian passageway unit fast accurately to further improve the installation effect.
As a general inventive concept, the present invention further provides an assembly-type underground pedestrian passageway assembly, which includes two of the above-mentioned assembly-type underground pedestrian passageway units, wherein two U-shaped members are butted to form a square-shaped member, corresponding first mounting holes of the two U-shaped members are communicated to form a first pre-stressed hole, a first pre-stressed member is disposed in the first pre-stressed hole, two ends of the first pre-stressed member respectively extend into the corresponding first hand holes, a first fastening member abutted against the side wall surface of the corresponding first hand hole is mounted at the end of the first pre-stressed member, and two upper and lower assembly-type underground pedestrian passageway units are fixedly connected together through the corresponding first fastening member at two ends of the first pre-stressed member.
As a further improvement of the above technical solution:
in order to quickly and accurately position the assembled underground pedestrian passageway unit, the top end face of the side plate is provided with a positioning hole for the positioning pin to extend into, the positioning holes corresponding to the two U-shaped components are communicated to form a positioning pin hole, and the positioning pin is arranged in the positioning pin hole. The positioning pin can be arranged in two modes, one mode is that the top end face of the side plate is provided with at least one positioning pin and at least one positioning pin hole, and when the upper assembled underground pedestrian passageway unit and the lower assembled underground pedestrian passageway unit are butted, the positioning pin of one underground pedestrian passageway unit is inserted into the positioning pin hole of the other underground pedestrian passageway unit, so that quick and accurate positioning is realized, and errors after positioning are very small. Another arrangement mode is that the top end face of the side plate is provided with a plurality of positioning pin holes, when the side plate is assembled, the lower part of the positioning pin is inserted into the positioning pin hole of the next underground pedestrian passageway unit, then the next underground pedestrian passageway unit is assembled on the next underground pedestrian passageway unit, the upper part of the positioning pin extends into the positioning pin hole of the next underground pedestrian passageway unit, generally speaking, the upper part of the positioning pin is conical, and the positioning pin hole is a conical hole.
The top end faces of the two side plates are provided with grooves for containing sealant, the grooves penetrate through the inner side faces of the U-shaped members to form notches, the corresponding notches of the two U-shaped members are communicated to form a containing cavity, and the containing cavity is filled with sealant.
As a general inventive concept, the present invention further provides an underground pedestrian passageway, wherein the underground pedestrian passageway is formed by sequentially connecting a plurality of the assembled underground pedestrian passageway assemblies, the second mounting holes oppositely disposed between two adjacent assembled underground pedestrian passageway assemblies are communicated to form a second prestressed hole, a second prestressed member is disposed in the second prestressed hole, two ends of the second prestressed member respectively extend into the corresponding second hand holes, and a second fastening member abutting against the side wall surface of the corresponding second hand hole is mounted at the end of the second prestressed member; two ends of the second prestress component fixedly connect two adjacent assembled underground pedestrian passageway assemblies together through corresponding second fasteners.
As a further improvement of the above technical solution:
the side end face of the U-shaped member is provided with a groove for containing sealant, the corresponding grooves of two adjacent underground pedestrian passage assemblies are communicated to form an accommodating cavity, and the accommodating cavity is filled with the sealant.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses an installation of assembled underground pedestrian passageway is convenient, and the construction degree of difficulty is low, and the work progress is few, and does not have wet operation, has improved the efficiency of construction greatly.
2. The utility model discloses an assembled underground pedestrian passageway connects reliably between the component, and the potential safety hazard is little, and has guaranteed the whole waterproof sealing effect of structure.
Drawings
Fig. 1 is a schematic perspective view of an assembled underground walkway unit according to an embodiment.
Fig. 2 is a schematic top view of the assembled underground walkway unit of the embodiment.
Fig. 3 is a schematic structural diagram of an assembled underground pedestrian passageway unit to be assembled according to the embodiment.
Fig. 4 is a schematic structural diagram of the fabricated underground walkway assembly of the embodiment.
Fig. 5 is a schematic structural diagram of two adjacent assembled underground pedestrian passageway units after assembly.
Fig. 6 is a schematic perspective view of an assembled underground pedestrian passageway according to the embodiment.
Illustration of the drawings: 1. a side plate; 11. a first mounting hole; 12. a first hand hole; 13. a second mounting hole; 14. a second hand hole; 15. positioning holes; 2. a connecting plate; 3. A notch; 4. mortises; 5. a tenon portion; 6. a first pre-stressed member; 7. a first fastener; 8. positioning pins; 9. a second pre-stressed member; 10. a second fastener.
Detailed Description
The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.
Example 1:
as shown in fig. 1 and 2, the fabricated underground walkway unit of the present embodiment includes a U-shaped member integrally formed mainly by two side plates 1 and a connecting plate 2; a plurality of first mounting holes 11 for the first pre-stress members 6 to extend into and a plurality of positioning holes 15 for the positioning pins 8 to extend into are formed in the top end faces of the two side plates 1, and the first mounting holes 11 penetrate through the upper end face and the lower end face of the side plates 1. A plurality of first mounting holes 11 are arranged at intervals along the extending direction of the underground pedestrian passageway, and first hand holes 12 communicated with the corresponding first mounting holes 11 are formed in the inner side face of the side plate 1. The lower parts of two side end faces of the side plate 1 are provided with second mounting holes 13 for the second pre-stress members 9 to extend into, and the inner side face of the side plate 1 is provided with second hand holes 14 communicated with the corresponding second mounting holes 13. The first mounting holes 11 are vertically arranged holes, and the second mounting holes 13 are consistent with the length direction of the underground pedestrian passageway.
Two grooves for containing sealant are formed in the side end face of the U-shaped component and the top end faces of the two side plates 1, one groove penetrates through the inner side face of the U-shaped component, and the other groove penetrates through the outer side face of the U-shaped component to form a notch 3. The notch 3 on the top end face of the side plate 1 penetrates through two side end faces of the corresponding side plate 1, the notch 3 on the side end face of the U-shaped component is a U-shaped notch, and two upper end portions of the U-shaped notch extend to penetrate through the top end faces of the two side plates 1.
And one side end face of the U-shaped component is provided with a mortise 4, and the other side end face of the U-shaped component is provided with a tenon part 5 matched with the mortise 4 of the adjacent U-shaped component. The mortise 4 or tenon 5 is located between the inner and outer notches 3 on the side end face of the U-shaped member.
As shown in fig. 3 and 4, one of the assembled underground walkway units is reversely butted on the other assembled underground walkway unit, so as to form the assembled underground walkway assembly of the square member of the present embodiment. Before butt joint, the lower underground pedestrian passageway unit is fixed in the excavated underground passageway, the positioning pin 8 is placed in the positioning hole 15 in the top of the lower underground pedestrian passageway unit, the waterproof rubber mat is laid on the top end face of the side plate 1, then the other U-shaped component is reversely butted to the lower U-shaped component, the upper portion of the positioning pin 8 extends into the positioning hole 15 of the upper U-shaped component, and the positioning holes 15 corresponding to the two U-shaped components are communicated to form a positioning pin hole. After butt joint, the corresponding first mounting holes 11 of the two U-shaped components are communicated to form a first prestressed hole. And then inserting the first prestress member 6 from the first mounting hole 11 of the upper U-shaped member until the lower end of the first prestress member 6 passes through the first mounting hole 11 of the lower U-shaped member and extends into the first hand hole 12 of the lower U-shaped member, wherein the upper end of the first prestress member 6 is positioned in the first hand hole 12 of the upper U-shaped member, manually penetrating the first fasteners 7 consisting of two sets of gaskets and fasteners and nuts at the upper and lower ends of the first prestress member 6 respectively, screwing the nuts to enable the gaskets to be abutted against the side wall surfaces of the corresponding first hand holes 12, and performing prestress tension on the upper and lower U-shaped members by the first prestress member 6 and the two sets of fasteners, so that the upper and lower U-shaped members are connected into a whole by prestress, and the connection reliability is greatly improved. After butt joint, the corresponding gaps 3 of the two U-shaped components are communicated to form a containing cavity, and finally, sealant is filled in the containing cavity to avoid water leakage of the upper joint and the lower joint.
In other embodiments, a plurality of positioning holes 15 may be formed in the top end surfaces of the two side plates 1, and a plurality of positioning pins 8 may be fixed thereto, and the plurality of positioning holes and the positioning pins 8 may be alternately and uniformly distributed along the extending direction of the underground walkway. The positioning pin 8 of the lower U-shaped component extends into the positioning hole 15 corresponding to the upper U-shaped component, and the positioning pin 8 of the upper U-shaped component extends into the positioning hole 15 corresponding to the lower U-shaped component, so that the assembly positioning of the upper U-shaped component and the lower U-shaped component can be realized.
As shown in fig. 5 and 6, the underground walkways of this embodiment can be formed by sequentially pre-stressing and tensioning a plurality of fabricated underground walkway assemblies; or the underground pedestrian passageway can also be formed by sequentially pre-stressing, tensioning and butting the plurality of lower U-shaped members, reversely butting the plurality of upper U-shaped members to the corresponding lower U-shaped members, sequentially pre-stressing, tensioning and butting the plurality of upper U-shaped members, and then pre-stressing, tensioning and butting the corresponding upper U-shaped members and the corresponding lower U-shaped members.
Before the adjacent underground pedestrian passageway components are in butt joint, a second prestress member 9 is arranged in a second mounting hole 13 at four corners of the former component, one end of the second prestress member 9 extends into a second hand hole 14 of the component, the other component is in butt joint with the component, the other end of the second prestress member 9 penetrates through the second mounting hole 13 of the other component and extends into the second hand hole 14 of the other component, second fasteners 10 consisting of two sets of gaskets and fasteners and nuts are manually arranged at two end parts of the second prestress member 9 in a penetrating mode, the nuts are tightened to enable the gaskets to be abutted against the side wall surfaces of the corresponding second hand holes 14, and the second prestress member 9 and the two sets of second fasteners apply prestress tension to the two adjacent components, so that the two adjacent components are connected in a prestress mode to form a whole. The gaps 3 of the butt joint of the side end faces of the two assemblies are communicated to form an accommodating cavity, and sealant is filled in the accommodating cavity to ensure the integral waterproof sealing effect of the structure. And by parity of reasoning, the construction between the standard sections is completed.
In this embodiment, the first pre-stressed member 6 is a high-strength steel bar, and the second pre-stressed member 9 is a steel strand.
The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.
Claims (10)
1. An assembled underground pedestrian passageway unit is characterized by comprising a U-shaped component which is integrally formed by two side plates (1) and a connecting plate (2); a plurality of first mounting holes (11) for the first prestress members (6) to extend into are formed in the top end surfaces of the two side plates (1), and first hand holes (12) communicated with the corresponding first mounting holes (11) are formed in the inner side surfaces of the side plates (1); the lower parts of two side end faces of the side plate (1) are respectively provided with a second mounting hole (13) for a second prestress member (9) to extend into, and the inner side face of the side plate (1) is provided with a second hand hole (14) communicated with the corresponding second mounting hole (13); the first mounting holes (11) are vertically arranged, and the second mounting holes (13) are consistent with the length direction of the underground pedestrian passageway.
2. The fabricated underground walkway unit of claim 1, wherein the side end faces of the U-shaped member and the top end faces of the two side plates (1) are provided with grooves for accommodating sealant, and the grooves penetrate through the inner side faces of the U-shaped member to form gaps (3).
3. The fabricated underground walkway unit of claim 1, wherein one side end surface of the U-shaped member is provided with a mortise (4), and the other side end surface of the U-shaped member is provided with a tenon part (5) matched with the mortise (4) of the adjacent U-shaped member.
4. Fabricated underpass unit as claimed in any one of claims 1-3, wherein said first mounting hole (11) extends through both the upper and lower end faces of the side plate (1).
5. The assembled underground walkway unit of any one of claims 1 to 3, wherein the top end face of the side plate (1) is provided with a positioning hole (15) into which the positioning pin (8) extends; or the top end surface of the side plate (1) is provided with at least one positioning pin (8) and at least one positioning hole (15).
6. An assembled underground pedestrian passageway assembly, characterized by comprising two assembled underground pedestrian passageway units according to any one of claims 1 to 5, wherein the two U-shaped members are butted to form a square-shaped member, the corresponding first mounting holes (11) of the two U-shaped members are communicated to form a first prestressed hole, a first prestressed member (6) is arranged in the first prestressed hole, two ends of the first prestressed member (6) respectively extend into the corresponding first hand holes (12), and the end part of the first prestressed member (6) is provided with a first fastening member (7) butted with the side wall surface of the corresponding first hand hole (12); and the two ends of the first prestress member (6) are used for fixedly connecting the upper assembled underground pedestrian passageway unit and the lower assembled underground pedestrian passageway unit together through corresponding first fasteners (7).
7. The assembly type underground manway assembly according to claim 6, wherein the top end face of the side plate (1) is provided with a positioning hole (15) for a positioning pin (8) to extend into, the positioning holes (15) corresponding to the two U-shaped components are communicated to form a positioning pin hole, and the positioning pin (8) is arranged in the positioning pin hole;
or the top end surface of the side plate (1) is provided with at least one positioning pin (8) and at least one positioning hole (15), the positioning pin (8) of the lower U-shaped component extends into the positioning hole (15) of the upper U-shaped component, and the positioning pin (8) of the upper U-shaped component extends into the positioning hole (15) of the lower U-shaped component.
8. The assembly type underground pedestrian passageway assembly according to claim 6 or 7, wherein the top end surfaces of the two side plates (1) are respectively provided with a groove for accommodating the sealant, the grooves penetrate through the inner side surfaces of the U-shaped members to form gaps (3), the corresponding gaps (3) of the two U-shaped members are communicated to form accommodating cavities, and the accommodating cavities are filled with the sealant.
9. An underground pedestrian passageway, characterized in that the underground pedestrian passageway is formed by connecting a plurality of assembled underground pedestrian passageway assemblies according to any one of claims 6 to 8 in sequence, second mounting holes (13) oppositely arranged between two adjacent assembled underground pedestrian passageway assemblies are communicated to form a second prestressed hole, a second prestressed member (9) is arranged in the second prestressed hole, two ends of the second prestressed member (9) respectively extend into corresponding second hand holes (14), and second fastening pieces (10) abutted against the side wall surfaces of the corresponding second hand holes (14) are mounted at the end parts of the second prestressed member (9); two ends of the second prestress component (9) fixedly connect two adjacent assembled underground pedestrian passageway assemblies together through corresponding second fasteners (10).
10. The underground walkway of claim 9, wherein the U-shaped member has a groove formed on a side end surface thereof for receiving the sealant, and the corresponding grooves of two adjacent underground walkway assemblies are communicated to form a receiving cavity filled with the sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020542532.9U CN212375904U (en) | 2020-04-14 | 2020-04-14 | Assembled underground pedestrian passageway unit, assembly and underground pedestrian passageway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020542532.9U CN212375904U (en) | 2020-04-14 | 2020-04-14 | Assembled underground pedestrian passageway unit, assembly and underground pedestrian passageway |
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| Publication Number | Publication Date |
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| CN212375904U true CN212375904U (en) | 2021-01-19 |
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| CN202020542532.9U Active CN212375904U (en) | 2020-04-14 | 2020-04-14 | Assembled underground pedestrian passageway unit, assembly and underground pedestrian passageway |
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| CN (1) | CN212375904U (en) |
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