CN220619835U - Shed tunnel quick-release support structure suitable for stride on car passageway - Google Patents

Shed tunnel quick-release support structure suitable for stride on car passageway Download PDF

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Publication number
CN220619835U
CN220619835U CN202322159683.2U CN202322159683U CN220619835U CN 220619835 U CN220619835 U CN 220619835U CN 202322159683 U CN202322159683 U CN 202322159683U CN 220619835 U CN220619835 U CN 220619835U
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China
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steel
steel pipe
shed tunnel
roadway
structure suitable
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CN202322159683.2U
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Chinese (zh)
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刘建国
商海波
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Third Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
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Third Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
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Abstract

The utility model discloses a shed tunnel quick-release support structure suitable for a midspan roadway, which comprises a socket type disc buckle type steel pipe support, steel pipe columns, a cross beam and a top plate, wherein the socket type disc buckle type steel pipe support is respectively positioned at the positions of the columns on two sides of the shed tunnel, I-steel I-bars are arranged on top supports, I-steel II are arranged at the chamfer positions of the cross beam according to the structural height change characteristics, two transverse main keels are arranged above the I-steel I-bars, two ends of the main keels are supported by the I-steel I-bars, two steel pipe columns are arranged below the main keels, a temporary sand box support is arranged between the tops of the steel pipe columns and the main keels, and a distribution beam I and a distribution beam II which are longitudinally arranged above the main keels are arranged. The shed tunnel quick-dismantling support structure suitable for the upward-span roadway can be quickly dismantled, is firm and reliable in structure, reserves the roadway, saves construction time, reduces material consumption, ensures construction safety, and effectively solves the construction technical problems of large span, upward-span roadway and the like.

Description

Shed tunnel quick-release support structure suitable for stride on car passageway
Technical Field
The utility model relates to the technical field of shed tunnel support structures, in particular to a shed tunnel quick-release support structure suitable for an upper-span vehicle road.
Background
The southwest remote mountain area has severe geographic environment, complex geological structure and higher railway construction difficulty. The tunnel portal side slope is steep, dangerous rock develops, the possibility of collapse, block falling and landslide exists locally, and the tunnel portal side slope is subjected to natural disasters such as debris flow, so that great potential safety hazards are caused to railway operation, valley bridges, roads, passers-by, vehicles and finished product structures. Along with the importance of the national and social security of railway operation, a frame bridge type railway protection shed tunnel is gradually added at the tunnel portal of the high and steep side slope to protect the valley bridge line and the roadbed line, and the tunnel bridge is in butt joint sealing with the open tunnel, so that an integral protection system is formed. The frame bridge type railway protection shed tunnel is additionally arranged in valley areas, the sites are narrow, the traffic is inconvenient, construction is required under the condition that the passage of tunnel openings is not affected, the difficulty is high, and the safety coefficient is low. The traditional steel support is adopted, so that the mounting and dismounting difficulty is high, the construction risk is high, the material consumption is high, the embedded part (hole) damages the main reinforcement of the upright post to bear the force, and the construction period is long.
Disclosure of Invention
The utility model aims to provide a shed tunnel quick-dismantling support structure suitable for a midspan roadway, which can be quickly dismantled, has a firm and reliable structure, reserves the roadway, saves construction time, reduces material consumption, ensures construction safety, and effectively solves the construction technical problems of large span, midspan roadway and the like.
The quick-dismantling support structure for the shed tunnel comprises a socket type disc buckle type steel pipe support, steel pipe columns, a cross beam and a top plate, wherein the socket type disc buckle type steel pipe support is respectively located at two side column positions of the shed tunnel, I-steel I-bars are arranged on top supports, I-steel II-bars are arranged on the chamfer positions of the cross beam according to structural height change characteristics, two transverse main keels are arranged above the I-steel I-bars, two ends of the main keels are supported through the I-steel I-bars, two steel pipe columns are arranged below the main keels, a temporary sand box support is arranged between the tops of the steel pipe columns and the main keels, and a distribution beam I and a distribution beam II which are longitudinally arranged are arranged above the main keels.
Preferably, the first distribution beam is positioned right above the steel pipe upright post, and the second distribution beam is positioned on two sides of the first distribution beam.
Preferably, a plurality of channel steels which are arranged at equal intervals are arranged between the two steel pipe upright posts, and two ends of the channel steels are respectively connected with the inner sides of the steel pipe upright posts.
Preferably, a transverse square timber I is arranged above the first distribution beam and the second distribution beam, and a bamboo plywood I is arranged above the square timber I.
Preferably, the socket type disc buckle type steel pipe support jacking at two sides is provided with a I-steel III, I-steel IV is transversely and uniformly arranged above the I-steel III and the distribution beam II at intervals of 0.6m, square timber II is longitudinally and uniformly arranged on the I-steel IV at intervals of 0.6m, transverse square timber III is arranged on the square timber II, longitudinal square timber IV is arranged on the square timber III, and a bamboo plywood II is arranged on the square timber IV.
Preferably, the transverse spacing of the socket type disc buckle type steel pipe support is 0.3m, and the longitudinal spacing of the socket type disc buckle type steel pipe support is 0.6m.
Preferably, the main joist adopts double-spliced I40a I-steel, and the distribution beam II adopts triple-spliced I40a I-steel.
Therefore, the shed tunnel quick-dismantling support structure suitable for the upward-span roadway can be quickly dismantled, the structure is firm and reliable, the roadway is reserved, the construction time is saved, the material consumption is reduced, the construction safety is ensured, and the construction technical problems of large span, upward-span roadway and the like are effectively solved.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic cross-sectional view of a beam position suitable for use in an embodiment of a quick release bracket structure for a walk-over shed tunnel of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional structure of a roof in place of an embodiment of a quick release bracket structure for a walk-over shed tunnel of the present utility model;
FIG. 3 is a schematic view of two side vertical sections of a shed tunnel according to an embodiment of the utility model for a quick release bracket structure for a road shed tunnel;
FIG. 4 is a schematic illustration of a shed tunnel mid-span vertical section structure suitable for use in an embodiment of a quick release bracket structure for a walk-over shed tunnel of the present utility model.
Reference numerals
1. A socket type disc-mouth steel pipe bracket; 2. a steel pipe column; 3. i-steel I; 4. a sand box support; 5. a main keel; 6. a first distribution beam; 7. i-steel II; 8. a second distribution beam; 9. i-steel IV; 10. square lumber II; 11. square timber III; 12. square timber; 13. square timber I; 14. a second bamboo plywood; 15. a first bamboo plywood; 16. channel steel; 17. i-steel III.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in the figure, the shed tunnel quick-release support structure suitable for a midspan roadway comprises a socket type disc buckle type steel pipe support 1, steel pipe stand columns 2, a cross beam and a top plate, wherein the socket type disc buckle type steel pipe support 1 is respectively positioned at the stand column positions at two sides of the shed tunnel. The upright posts on two sides of the shed tunnel are provided with a plurality of rows of socket type disc buckle type steel pipe brackets 1, and different structural heights are adjusted through the disc buckle upright posts. The jacking is provided with a I-steel I3 which is used as a vertical supporting point of the shed tunnel together with the middle-span vertical steel pipe upright post 2.
The transverse spacing of the socket type disc buckle type steel pipe bracket 1 is 0.3m, and the longitudinal spacing is 0.6m. The structure and the installation composition of the socket type disc buckle type steel pipe bracket 1 belong to the prior art, and are not repeated here. The socket-type disc buckle type steel pipe bracket 1 utilizes the characteristics of the self-frame, and the top part of the socket-type disc buckle type steel pipe bracket forms an integral vertical stress structure through I-steel I3, so that the socket-type disc buckle type steel pipe bracket has the function of replacing a steel pipe upright post 2 or a bracket; simultaneously and through the adjustable effect of pole setting, jacking, freely adjust at crossbeam, roof different positions respectively, adapt to the structural height change, reach the purpose of quick installation and removal simultaneously.
The beam chamfering position is provided with an I-steel II 7 according to the structural height change characteristics, two transverse main joists 5 are arranged above the I-steel I3, the main joists 5 are double-spliced I40a I-steel, two ends of each main joist 5 are supported by the I-steel I3, two steel pipe columns 2 are arranged below the main joists 5, a temporary sand box support 4 is arranged between the tops of the steel pipe columns 2 and the main joists 5, a plurality of channel steels 16 which are arranged at equal intervals are arranged between the two steel pipe columns 2, and two ends of each channel steel 16 are respectively connected with the inner sides of the steel pipe columns 2. And a first distribution beam 6 and a second distribution beam 8 which are longitudinally arranged are arranged above the main joist 5. The second distribution beam 8 is positioned right above the steel pipe upright post 2, and the second distribution beam 8 adopts three-piece I40a I-steel. The first distributing beam 6 is positioned on two sides of the second distributing beam 8.
The top of the steel pipe upright posts 2 is provided with a temporary sand box support 4, the supporting height can be adjusted, the steel pipe upright posts 2 are connected and reinforced through channel steel 16, the weight of the shed tunnel in the middle is supported, and meanwhile, the influence on a car running channel is avoided. And the upper part of the shed tunnel quick-release support structure is provided with a transverse and longitudinal staggered main keel 5 and a distribution beam as main and secondary keels according to the top plate, the cross beam and the chamfer structures, and the shed tunnel load is transferred to the socket type disc buckle type steel pipe support 1 and the steel pipe upright post 2 to form a space stress structure.
A transverse square timber 13 is arranged above the first distribution beam 6 and the second distribution beam 8, and a bamboo plywood 15 is arranged above the square timber 13.
A temporary sand box support 4 is arranged at the top of each beam position through a double-side socket type disc buckle type steel pipe support 1 jacking I-steel I3 and a midspan steel pipe upright post 2 to serve as a support; two double-spliced I40a I-shaped steels are arranged at the upper part and serve as main keels 5 (transversely); a first distribution beam 6 and a second distribution beam 8 (longitudinal) are arranged at the upper part of the main keel 5, and I-steel II 7 is arranged at the chamfering position according to the characteristic of structural height change; the top is provided with a square timber 13 and a bamboo plywood 15 as a beam bottom template. The second distribution beam 8 is three-piece I40a I-steel and is positioned right above the steel pipe upright post 2, and is used as a cross beam distribution beam and also used as a top plate midspan support main beam (longitudinal direction), as shown in figure 1.
I-steel III 17 is supported and supported on the non-cross beam position of the shed tunnel roof, I-steel IV 9 is transversely and uniformly arranged above the I-steel III 17 and the distribution beam II 8 at intervals of 0.6m, square timber II 10 is longitudinally and uniformly arranged on the I-steel IV 9 at intervals of 0.6m, transverse square timber III 11 is arranged on the square timber II 10, longitudinal square timber IV 12 is arranged on the square timber III 11, and a bamboo plywood II 14 is arranged on the square timber IV 12.
In the non-beam position of the shed tunnel roof, jacking I-steel III 17 and a midspan distributing beam II 8 main beams serving as supports through two side socket type disc buckle type steel pipe supports 1; i-steel IV 9 is uniformly arranged on the main joist according to 0.6 m; square timber II 10 is uniformly arranged on the main joist according to 0.6m to serve as a distribution beam; the top is provided with a third square timber 11, a fourth square timber 12 and a second bamboo plywood 14 as top plate bottom templates, as shown in figure 2.
The shed tunnel quick-release support structure combines the stress characteristics, adopts single-spliced, double-spliced and three-spliced I-steel as a transverse and longitudinal support structure at the bottom of the shed tunnel, forms a space stress structure with the socket-type disc buckle type steel pipe support 1 and the steel pipe upright post 2 at two sides, and solves the technical problems of large span and upward-span vehicle running passage.
Therefore, the shed tunnel quick-dismantling support structure suitable for the upward-span roadway can be quickly dismantled, the structure is firm and reliable, the roadway is reserved, the construction time is saved, the material consumption is reduced, the construction safety is ensured, and the construction technical problems of large span, upward-span roadway and the like are effectively solved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims (7)

1. Shed tunnel quick detach supporting structure suitable for stride car passageway on, its characterized in that: including socket joint formula dish knot formula steel pipe support, steel pipe stand, crossbeam, roof, socket joint formula dish knot formula steel pipe support is located shed tunnel both sides stand position respectively, and the jacking is equipped with I-steel one, and the crossbeam chamfer position is equipped with I-steel two according to structural height change characteristics, and I-steel one top is equipped with the horizontal main joist of twice, main joist both ends are supported through I-steel one, main joist below is equipped with two steel pipe stands, be equipped with interim sand box support between steel pipe stand top and the main joist, main joist top is equipped with the distribution roof beam one and the distribution roof beam two of vertical setting.
2. The shed tunnel quick release support structure suitable for a midspan roadway of claim 1, wherein: the first distribution beam is positioned on two sides of the second distribution beam.
3. The shed tunnel quick release support structure suitable for a midspan roadway of claim 1, wherein: a plurality of channel steels which are arranged at equal intervals are arranged between the two steel pipe upright posts, and two ends of the channel steels are respectively connected with the inner sides of the steel pipe upright posts.
4. The shed tunnel quick release support structure suitable for a midspan roadway of claim 1, wherein: and a transverse square timber I is arranged above the first distribution beam and the second distribution beam, and a bamboo plywood I is arranged above the square timber I.
5. The shed tunnel quick release support structure suitable for a midspan roadway of claim 1, wherein: i-steel III is arranged on the jacking of the socket-type disc buckle type steel pipe support on the two sides, I-steel IV is transversely and uniformly arranged above the I-steel III and the distribution beam II at intervals of 0.6m, square timber II is longitudinally and uniformly arranged on the I-steel IV at intervals of 0.6m, transverse square timber III is arranged on the square timber II, longitudinal square timber IV is arranged on the square timber III, and a bamboo plywood II is arranged on the square timber IV.
6. The shed tunnel quick release support structure suitable for a midspan roadway of claim 1, wherein: the transverse spacing of the socket type disc buckle type steel pipe support is 0.3m, and the longitudinal spacing is 0.6m.
7. The shed tunnel quick release support structure suitable for a midspan roadway of claim 1, wherein: the main joist adopts double-spliced I40a I-steel, and the distribution beam II adopts triple-spliced I40a I-steel.
CN202322159683.2U 2023-08-11 2023-08-11 Shed tunnel quick-release support structure suitable for stride on car passageway Active CN220619835U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322159683.2U CN220619835U (en) 2023-08-11 2023-08-11 Shed tunnel quick-release support structure suitable for stride on car passageway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322159683.2U CN220619835U (en) 2023-08-11 2023-08-11 Shed tunnel quick-release support structure suitable for stride on car passageway

Publications (1)

Publication Number Publication Date
CN220619835U true CN220619835U (en) 2024-03-19

Family

ID=90214445

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322159683.2U Active CN220619835U (en) 2023-08-11 2023-08-11 Shed tunnel quick-release support structure suitable for stride on car passageway

Country Status (1)

Country Link
CN (1) CN220619835U (en)

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