CN211974438U - Safety protection access structure - Google Patents

Safety protection access structure Download PDF

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Publication number
CN211974438U
CN211974438U CN202020617405.0U CN202020617405U CN211974438U CN 211974438 U CN211974438 U CN 211974438U CN 202020617405 U CN202020617405 U CN 202020617405U CN 211974438 U CN211974438 U CN 211974438U
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China
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reinforced concrete
girder
layer
steel
foundation
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CN202020617405.0U
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Chinese (zh)
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童镇华
高成明
李明太
唐明华
张海发
张信意
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Abstract

The utility model provides a safety protection access structure, including foundation structure, steelframe and hard protective structure that seals up, the steelframe includes the stand, the girder, secondary beam and roof boarding, the girder is equipped with two-layerly altogether, be lower floor's girder and upper girder respectively, every layer of girder is two, lower floor's girder anchor is connected between the top portion of two fore-and-aft stands, upper girder anchor is connected between the top of two fore-and-aft stands, the both ends anchor connection respectively of secondary beam is between every layer of girder, the upside of secondary beam is spread to the roof boarding tile, one deck reinforcing bar net piece has been laid to the roof boarding upside of upper strata, hard protective structure that seals up includes upwards until the enclosed iron sheet of the upside cladding of reinforcing bar net piece around four sides of girder of. The utility model discloses protection passageway wholeness can be good, and is safe firm, and the outward appearance is succinctly generous, can realize passing in and out at job site protection personnel safety to can have enough to meet the need the secondary and use.

Description

Safety protection access structure
Technical Field
The utility model relates to a safety protection passageway, especially an assembled passageway.
Background
At present, in the building industry, a construction safety channel must be arranged at an entrance and an exit of a building based on safety considerations of workers and managers who enter and exit the building. But traditional construction safety passageway outward appearance is simple and crude, and can't have enough to meet the need the use for the secondary, has caused the waste of certain degree to the material.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a safety protection access structure, the unable secondary turnover of traditional construction escape way outward appearance simple and crude is used will be solved, causes extravagant technical problem to the material.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safety protection channel structure comprises a foundation structure, a steel frame and a capping hard protection structure, wherein the foundation structure comprises reinforced concrete foundation columns, retaining walls, reinforced concrete capping beams, backfill materials and reinforced concrete horizontal plates,
the reinforced concrete foundation columns are positioned at four corners of the safety protection channel,
the retaining wall is fixedly connected between the two longitudinal reinforced concrete foundation columns,
the reinforced concrete capping beam is fixedly connected to the upper side of the retaining wall and is simultaneously fixedly connected with the tops of two longitudinal reinforced concrete foundation columns,
the backfill materials are filled among the reinforced concrete foundation columns,
the reinforced concrete horizontal plate is fully paved and fixedly connected to the upper side of the backfilling material, the reinforced concrete horizontal plate is flush with the upper side surface of the reinforced concrete capping beam,
the steel frame comprises four upright columns, a main beam, secondary beams and a roof panel, the bottom of each upright column is respectively arranged in the middle and detachably connected to the top of the reinforced concrete foundation column, the main beams are respectively arranged in two layers, namely a lower layer main beam and an upper layer main beam, each layer of the main beams is provided with two layers, the lower layer main beam is connected between the top ends of the two longitudinal upright columns in an anchoring manner, the upper layer main beam is connected between the tops of the two longitudinal upright columns in an anchoring manner, the secondary beams are arranged in two layers, each layer is arranged at intervals in groups, the two ends of each secondary beam are respectively connected between the main beams of each layer in an anchoring manner, the roof panel is arranged in two layers, each layer is tiled at the upper side of the secondary beams, and the upper side,
the hard top-sealing protection structure comprises a closed iron sheet which is coated from the periphery of four sides of the lower main beam to the upper side of the reinforcing mesh.
The retaining wall is an aerated concrete block, and the surface of the retaining wall is coated with cement mortar for plastering.
The reinforced concrete foundation comprises foundation steel bars and foundation concrete, and the foot of the reinforced concrete foundation is provided with a reinforced concrete bottom beam extending towards the appearance.
The upright columns are square steel tubes, the main beams are rectangular steel tubes, the secondary beams are rectangular steel tubes or channel steel, and the roof panel is a profiled steel sheet.
The upright post is provided with a hole for the main beam to pass through, the connecting end of the main beam passes through the hole and is anchored with the side plate of the upright post through a beam-column connecting bolt, the lower side of the main beam and the upright post are fixedly connected with a main beam support, and the main beam support is main beam angle steel.
The secondary beam is connected with the main beam through a connecting angle steel, the connecting angle steel comprises parallel limbs of the parallel main beam and vertical limbs of the vertical main beam, the parallel limbs are fully welded with the side wall of the main beam, the vertical limbs face the deep part of the outer side, and the secondary beam is closely attached to the inner side of the vertical limbs and anchored through a primary beam connecting bolt and a secondary beam connecting bolt.
The reinforced concrete foundation column is pre-embedded with a bolt base, and the bottom of the upright column is inserted into the bolt base.
The distance between the upper sides of the two layers of roof panels is not less than 800 mm.
The distance between the two vertical columns is not more than 6000 mm.
The inboard fixed connection full spread of the latter half of two fore-and-aft stands has enclosed the plywood, enclose the plywood and make by the iron sheet, it is stupefied that the back of enclosing the plywood has the horizontally back of the body along direction of height interval fixed connection, the back of the body is stupefied for square steel pipe.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses a steelframe is assembled, and protection channel wholeness can be good, and is safe firm, and the outward appearance is succinctly generous, can realize passing in and out at job site protection personnel safety to can have enough to meet the need the secondary and use. The utility model discloses a square steel pipe, rectangle steel pipe or channel-section steel are chooseed for use to the material, simple process, and the material is easy, and the preparation is convenient, long service life. The utility model discloses a bolted connection is all adopted to the steelframe part, and whole quality is light, and convenient turnover removes, receives the place limitation little, and application scope is wide, can artifical transport, can directly transport the use place and assemble the use can.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of the lateral structure of the present invention.
Fig. 2 is an enlarged view of a portion of the beam structure of fig. 1.
Fig. 3 is a schematic longitudinal structure of the present invention.
Fig. 4 is an enlarged view of a portion of the beam structure of fig. 3.
Fig. 5 is a schematic structural view of a reinforced concrete foundation column.
Fig. 6 is a schematic sectional view taken along line a-a in fig. 1.
Fig. 7 is a schematic top view of a beam-column connection node.
Fig. 8 is a side view schematic of the structure of fig. 7.
Fig. 9 is a side view structural schematic diagram of a primary and secondary beam connection node.
Fig. 10 is a schematic top view of the structure of fig. 9.
Reference numerals: the concrete wall structure comprises 1-reinforced concrete foundation columns, 2-retaining walls, 3-reinforced concrete capping beams, 4-backfill materials, 5-reinforced concrete horizontal plates, 6-vertical columns, 7-main beams, 71-lower-layer main beams, 72-upper-layer main beams, 8-secondary beams, 9-roof panels, 10-reinforcing mesh sheets, 11-foundation reinforcing steel bars, 12-foundation concrete, 13-bottom beams, 14-closed iron sheets, 15-beam column connecting bolts, 16-connecting angle steel, 161-parallel limbs, 162-vertical limbs, 17-primary and secondary beam connecting bolts, 18-bolt bases, 19-surrounding plates, 20-dorsal ridges and 21-main beam supports.
Detailed Description
Examples referring to fig. 1 to 10, a safety passageway structure includes a foundation structure including reinforced concrete foundation columns 1, retaining walls 2, reinforced concrete capping beams 3, backfill materials 4, and reinforced concrete horizontal plates 5, a steel frame, and a hard capping structure.
The reinforced concrete foundation columns 1 are located at four corners of the safety protection channel.
And the retaining wall 2 is fixedly connected between the two longitudinal reinforced concrete foundation columns 1.
The reinforced concrete capping beam 3 is fixedly connected to the upper side of the retaining wall 2 and fixedly connected to the tops of the two longitudinal reinforced concrete foundation columns 1.
The backfill materials 4 are filled between the reinforced concrete foundation columns 1.
The reinforced concrete horizontal plate 5 is fully paved and fixedly connected to the upper side of the backfill material 4, and the reinforced concrete horizontal plate 5 is flush with the upper side surface of the reinforced concrete capping beam 3.
The steel frame comprises upright posts 6, main beams 7, secondary beams 8 and a roof panel 9, the number of the upright posts 6 is four, the bottoms of the upright posts 6 are respectively arranged in the middle and detachably connected to the top of the reinforced concrete foundation post 1, the main beams 7 are provided with two layers, namely a lower layer main beam 71 and an upper layer main beam 72, each layer of the main beams 7 is provided with two layers, the lower layer main beam 71 is anchored and connected between the top ends of the two longitudinal upright posts 6, the upper layer main beam 72 is anchored and connected between the tops of the two longitudinal upright posts 6, the secondary beams 8 are provided with two layers, each layer is arranged at intervals, the two ends of each layer of the secondary beams 8 are respectively anchored and connected between the main beams 7 of each layer, the roof panel 9 is provided with two layers, each layer is tiled on the upper side of the secondary beams 8, and a layer of reinforced mesh sheets,
the hard top-sealing protection structure comprises a closed iron sheet 14 which is coated from the periphery of four sides of the lower main beam 7 to the upper side of the steel mesh 10.
The retaining wall 2 is an aerated concrete block, and the surface of the retaining wall is coated with cement mortar for plastering.
The reinforced concrete foundation comprises foundation steel bars 11 and foundation concrete 12, and the foot part of the reinforced concrete foundation is provided with a reinforced concrete bottom beam 13 extending towards the appearance.
The upright posts 6 are square steel tubes, the main beams 7 are rectangular steel tubes, the secondary beams 8 are rectangular steel tubes or channel steel, and the roof panels 9 are profiled steel plates.
The upright post 6 is provided with a hole for the main beam 7 to pass through, the connecting end of the main beam 7 passes through the hole and is anchored with the side plate of the upright post 6 through a beam-column connecting bolt 15, the lower side of the main beam 7 and the upright post 6 are fixedly connected with a main beam support 21, and the main beam support is an angle steel.
The secondary beam 8 is connected with the main beam 7 through a connecting angle steel 16, the connecting angle steel comprises a parallel limb 161 of the parallel main beam 7 and a vertical limb 162 of the vertical main beam 7, the parallel limb 161 is fully welded with the side wall of the main beam 7, the vertical limb 162 faces to the deep part of the outer side, and the secondary beam 8 and the inner side of the vertical limb 162 are tightly attached to the disease and are anchored through a primary and secondary beam connecting bolt 17.
The reinforced concrete foundation column 1 is pre-embedded with a bolt base 18, and the bottom of the upright column 6 is inserted into the bolt base 18.
The distance between the upper sides of the two layers of roof panels 9 is not less than 800 mm.
The distance between the two vertical columns 6 is not more than 6000 mm.
The inboard fixed connection of the latter half of two fore-and-aft stands 6 has full spread and has enclosed plywood 19, enclose the plywood and make by the iron sheet, enclose the stupefied 20 of horizontally back of the body along direction of height interval fixed connection, the stupefied square steel pipe that is of back of the body.
In this embodiment, the stand adopts 150mm x 5.0mm square steel pipe, and the girder adopts 160mm x 80mm x 5mm rectangle steel pipe, also can add welding web and stiffening rib when the stand is opened a hole, and the angle steel that the girder supported welds on the girder, and beam column connecting bolt is high strength bolt M18. Meanwhile, after the angle steel is welded on the main beam, the secondary beam is a rectangular steel pipe with the length of 120mm multiplied by 60mm multiplied by 5mm and is fixed through a main beam and secondary beam connecting bolt. In a similar way, purlines which are 50mm multiplied by 5mm and are fixedly connected with the rectangular steel pipes through bolts can be arranged on the secondary beam last time, the purlines can also be welded on the secondary beam 21 to form a truss and then are hoisted, and the purlines mainly play a role in fixing the capping hard protection structure.
During construction, the method comprises the steps of firstly measuring and setting out the line on the site, and determining the position and the trend of a site safety channel; accurately determining the position of the stand column, anchoring the stand column on the reinforced concrete foundation column, and adjusting the verticality of the stand column before anchoring; then hoisting the main beam, and connecting and fixing the main beam through a high-strength bolt; then hoisting a truss consisting of the secondary beam and the purlines, and connecting and fixing the main beam and the secondary beam through bolts; and finally, hard protection is paved on the truss and fixed on the purline or the beam to prevent wind, and the truss is convenient to drain due to a certain gradient.

Claims (10)

1. A safety protection channel structure is characterized in that: comprises a foundation structure, a steel frame and a capping hard protection structure, wherein the foundation structure comprises a reinforced concrete foundation column (1), a retaining wall (2), a reinforced concrete capping beam (3), a backfill material (4) and a reinforced concrete horizontal plate (5),
the reinforced concrete foundation columns (1) are positioned at four corners of the safety protection channel,
the retaining wall (2) is fixedly connected between the two longitudinal reinforced concrete foundation columns (1),
the reinforced concrete capping beam (3) is fixedly connected to the upper side of the retaining wall (2) and is simultaneously fixedly connected with the tops of two longitudinal reinforced concrete foundation columns (1),
the backfill materials (4) are filled between the reinforced concrete foundation columns (1),
the reinforced concrete horizontal plate (5) is fully paved and fixedly connected to the upper side of the backfill material (4), the reinforced concrete horizontal plate (5) is flush with the upper side surface of the reinforced concrete capping beam (3),
the steel frame comprises upright posts (6), main beams (7), secondary beams (8) and a roof panel (9), wherein the number of the upright posts (6) is four, the bottoms of the upright posts (6) are respectively connected to the tops of the reinforced concrete foundation columns (1) in a centered detachable mode, the main beams (7) are provided with two layers, namely a lower-layer main beam (71) and an upper-layer main beam (72), each layer of the main beams (7) is provided with two layers, the lower-layer main beam (71) is connected between the top ends of the two longitudinal upright posts (6) in an anchoring mode, the upper-layer main beam (72) is connected between the tops of the two longitudinal upright posts (6) in an anchoring mode, the secondary beams (8) are provided with two layers, each layer is arranged at intervals in groups, the two ends of the secondary beams (8) are respectively connected between the main beams (7) of each layer in an anchoring mode, the roof panel (9) is provided with two layers, a layer of steel bar net (10) is laid on the upper side of the roof board (9) of the upper layer,
the hard top-sealing protection structure comprises a closed iron sheet (14) which is coated from the periphery of four sides of the lower-layer main beam (7) to the upper side of the steel mesh (10).
2. The secure gateway structure of claim 1, wherein: the retaining wall (2) is an aerated concrete block, and the surface of the retaining wall is coated with cement mortar for plastering.
3. The secure gateway structure of claim 1, wherein: the reinforced concrete foundation comprises foundation steel bars (11) and foundation concrete (12), and the foot part of the reinforced concrete foundation is provided with a bottom beam (13) of the reinforced concrete extending towards the appearance.
4. The secure gateway structure of claim 1, wherein: the upright posts (6) are square steel tubes, the main beams (7) are rectangular steel tubes, the secondary beams (8) are rectangular steel tubes or channel steel, and the roof panels (9) are profiled steel plates.
5. The secure tunnel structure of claim 4, wherein: the utility model discloses a steel plate column, including stand (6), the curb plate that is provided with on the stand (6) and supplies girder (7) to pass, the link of girder (7) passes the curb plate of entrance to a cave and stand (6) and passes through beam column connecting bolt (15) anchor, fixedly connected with girder support (21) on the downside of girder (7), stand (6), the girder support is the angle steel.
6. The secure tunnel structure of claim 4, wherein: secondary beam (8) are connected with girder (7) through angle connection (16), angle connection includes parallel limb (161) of parallel girder (7) and perpendicular limb (162) of perpendicular girder (7), parallel limb (161) and the lateral wall full weld of girder (7), perpendicular limb (162) are towards outside depths, secondary beam (8) are hugged closely the disease with perpendicular limb (162) inboard and are passed through primary and secondary beam connecting bolt (17) anchor.
7. The secure tunnel structure of claim 4, wherein: a bolt base (18) is embedded in the reinforced concrete foundation column (1), and the bottom of the upright column (6) is inserted into the bolt base (18).
8. The secure gateway structure of claim 1, wherein: the distance between the upper sides of the two layers of roof panels (9) is not less than 800 mm.
9. The secure gateway structure of claim 1, wherein: the distance between the two vertical columns (6) is not more than 6000 mm.
10. The secure gateway structure of claim 1, wherein: the inboard fixed connection of the latter half of two fore-and-aft stands (6) has been fully laid and has been enclosed plywood (19), enclose the plywood and make by the iron sheet, enclose the dorsal part of plywood and have stupefied (20) of horizontally back along direction of height interval fixed connection, the stupefied square steel pipe that is of back of the body.
CN202020617405.0U 2020-04-22 2020-04-22 Safety protection access structure Active CN211974438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020617405.0U CN211974438U (en) 2020-04-22 2020-04-22 Safety protection access structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020617405.0U CN211974438U (en) 2020-04-22 2020-04-22 Safety protection access structure

Publications (1)

Publication Number Publication Date
CN211974438U true CN211974438U (en) 2020-11-20

Family

ID=73345129

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020617405.0U Active CN211974438U (en) 2020-04-22 2020-04-22 Safety protection access structure

Country Status (1)

Country Link
CN (1) CN211974438U (en)

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