CN217629940U - Ladder cage top and foundation pit connecting device for subway foundation pit construction - Google Patents
Ladder cage top and foundation pit connecting device for subway foundation pit construction Download PDFInfo
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- CN217629940U CN217629940U CN202221990715.2U CN202221990715U CN217629940U CN 217629940 U CN217629940 U CN 217629940U CN 202221990715 U CN202221990715 U CN 202221990715U CN 217629940 U CN217629940 U CN 217629940U
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- rod
- vertical rod
- foundation pit
- reinforced concrete
- retaining wall
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Abstract
The utility model discloses a ladder cage top and foundation ditch connecting device for subway foundation ditch construction. The reinforced concrete retaining wall is characterized in that a crown beam is poured at the upper part of the fender pile, a reinforced concrete retaining wall is poured on the outer side of the top surface of the crown beam, a first connecting component and a second connecting component which are identical in structure are erected on the reinforced concrete retaining wall, the first connecting component is F-shaped and horizontally arranged and comprises an outer vertical rod, an inner vertical rod, a cross rod, an inclined rod and a clamping plate, the outer vertical rod and the inner vertical rod are respectively attached to the outer wall surface and the inner wall surface of the reinforced concrete retaining wall, and the top surfaces of the outer vertical rod and the inner vertical rod are respectively fixedly connected with the outer end of the cross rod; the bottom surface of the cross rod is fixedly connected with the upper end of the inclined rod, the lower end of the inclined rod is fixedly connected with an angular clamping plate, the clamping plate is clamped at the corner of the crown beam, and the top of the ladder cage is suspended on the cross rods of the first connecting member and the second connecting member on the inner side of the reinforced concrete retaining wall. The utility model discloses be convenient for ann tears open, can have enough to meet the need the use, improves the efficiency of construction, can use under the operating mode of limitation, saves mechanical hoist and mount expense.
Description
Technical Field
The utility model relates to a subway foundation ditch construction, especially a ladder cage top and foundation ditch connecting device for subway foundation ditch construction.
Background
In subway foundation ditch construction, can use the ladder cage as passageway about interim, the fixed mode of traditional ladder cage has two kinds, one kind adopts I-steel or channel-section steel in the concrete support position, and another kind is to use channel-section steel or I-steel cross arm on the barricade with the ladder cage, and two kinds of fixed modes all have certain limitation, can't implement when the span is great or when not having the concrete to support.
The application number is CN 201711415951.5's chinese invention patent application discloses a foundation ditch hangs passageway device, and this utility model application buries the built-in fitting underground on concrete foundation platform, and the support frame is connected with the built-in fitting, and the support frame hangs the ladder cage, and this utility model application work progress is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and provides a simple structure's ladder cage top and foundation ditch connecting device for subway foundation ditch construction.
The utility model provides a its technical problem, the technical scheme of adoption is:
a connecting device for the top of a ladder cage and a foundation pit for subway foundation pit construction is characterized in that a fender post is embedded in the foundation pit, a top beam is poured on the upper portion of the fender post, a reinforced concrete retaining wall is poured on the outer side of the top surface of the top beam, a first connecting component and a second connecting component which are identical in structure are erected on the reinforced concrete retaining wall, the first connecting component is F-shaped and horizontally arranged and comprises an outer vertical rod, an inner vertical rod, a cross rod, an inclined rod and a clamping plate, the outer vertical rod and the inner vertical rod are respectively attached to the outer wall surface and the inner wall surface of the reinforced concrete retaining wall, and the top surfaces of the outer vertical rod and the inner vertical rod are respectively fixedly connected with the outer end of the cross rod; the bottom surfaces of the cross rods are fixedly connected with the upper ends of the inclined rods, the lower ends of the inclined rods are fixedly connected with angular clamping plates, the clamping plates are clamped at the corners of the crown beams, and the top of the ladder cage is suspended on the cross rods of the first connecting member and the second connecting member on the inner side of the reinforced concrete retaining wall.
Adopt above-mentioned technical scheme the utility model discloses compare with prior art, beneficial effect is:
simple structure, it is with low costs, be convenient for ann tears open, can have enough to meet the need the use, improves the efficiency of construction, can use under the operating mode of limitation, saves mechanical hoist and mount expense.
Further, the utility model discloses an optimization scheme is:
and the outer vertical rod and the inner vertical rod are respectively provided with a jackscrew.
And a pull rod is arranged between the lower end of the inner vertical rod and the clamping plate.
The lower end of the inner vertical rod is fixedly connected with a vertical sleeve, the outer end of the pull rod is fixedly connected with a clamping column inserted into the sleeve, the inner end of the pull rod is provided with a round hole, and the round hole is sleeved on a screw rod fixedly connected with the inclined rod.
The outer vertical rod, the inner vertical rod, the cross rod and the inclined rod are all made of H-shaped steel.
Drawings
FIG. 1 is a perspective view of the inner side of the foundation pit according to the embodiment of the present invention;
fig. 2 is a perspective view of the connection of the outer side of the foundation pit of the embodiment of the present invention.
Fig. 3 is a front view of an embodiment of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a left side view of FIG. 3;
FIG. 6 is a rear view of FIG. 3;
fig. 7 is a schematic view of a pull rod connection according to an embodiment of the present invention.
In the figure: a crown beam 1; a reinforced concrete retaining wall 2; a first connecting member 3; 3-1 parts of an outer vertical rod; 3-2 parts of an inner vertical rod; 3-3 of a cross bar; 3-4 of an inclined rod; 3-5 parts of a clamping plate; a second connecting member 4; a pull rod 5; 5-1 of a sleeve; 5-2 of a clamping column; and 5-3 of screws.
Detailed Description
The present invention will be further described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1-2, the embodiment is a connecting device for a top of a ladder cage and a foundation pit in subway foundation pit construction, a fender post (not shown) is embedded in the foundation pit, a top beam 1 is cast on the upper part of the fender post, and a reinforced concrete retaining wall 2 is cast on the outer side of the top surface of the top beam 1.
The reinforced concrete retaining wall 2 is provided with a first connecting member 3 and a second connecting member 4, and the first connecting member 3 and the second connecting member 4 have the same structure. The first connecting component 3 is F-shaped (shown in figures 3-6), is horizontally arranged and mainly comprises an outer vertical rod 3-1, an inner vertical rod 3-2, a cross rod 3-3, an inclined rod 3-4 and a clamping plate 3-5, wherein the outer vertical rod 3-1, the inner vertical rod 3-2, the cross rod 3-3 and the inclined rod 3-4 are all made of H-shaped steel, and top threads are respectively arranged on webs of the outer vertical rod 3-1 and the inner vertical rod 3-2. The outer vertical rods 3-1 are attached to the outer wall surface of the reinforced concrete retaining wall 2, the inner vertical rods 3-2 are attached to the inner wall surface of the reinforced concrete retaining wall 2, the top surfaces of the outer vertical rods 3-1 and the inner vertical rods 3-2 are respectively welded with the outer ends of the cross rods 3-3, and the inner ends of the cross rods 3-3 are cantilevered in the foundation pit. The upper end of the diagonal rod 3-4 is welded with the bottom surface of the cross rod 3-3, the upper end of the diagonal rod 3-4 is close to the inner end of the cross rod 3-3, the lower end of the diagonal rod 3-4 is welded with an angular clamping plate 3-5, and the clamping plate 3-5 is clamped at the corner of the crown beam 1.
A pull rod 5 (shown in figure 7) is arranged between the lower end of the inner vertical rod 3-2 and the clamping plate 3-5, a vertical sleeve 5-1 is welded at the lower end of the inner side of the inner vertical rod 3-2, a clamping column 5-2 is welded at the outer end of the pull rod 5, the clamping column 5-2 is inserted into the sleeve 5-1, a screw rod 5-3 vertical to the inclined rod 3-4 is welded at the side of the inclined rod 3-4, a circular hole is formed in the inner end of the pull rod 5, the circular hole is sleeved on the screw rod 5-3, and a nut is installed on the screw rod 5-3. When the ladder cage is installed, the top of the ladder cage is hung on the cross bars 3-3 of the first connecting member 3 and the second connecting member 4 on the inner side of the reinforced concrete retaining wall 2.
The construction process of the embodiment is as follows:
firstly, manufacturing and welding a first connecting component 3 and a second connecting component 4, determining the heights of an outer vertical rod 3-1 and an inner vertical rod 3-2 according to the height of a reinforced concrete retaining wall 2 above a crown beam 1, and determining the length of a cross rod 3-3 according to the specific size of a ladder cage; installing the first connecting member 3 and the second connecting member 4 on the reinforced concrete retaining wall 2, adjusting the distance between the first connecting member 3 and the second connecting member 4, and screwing a jackscrew for positioning;
installing a diagonal rod 3-4 and a clamping plate 3-5 between the first connecting member 3 and the crown beam 1 and between the second connecting member 4 and the crown beam 1; a pull rod 5 is arranged between the lower end of the inner vertical rod 3-2 and the horizontal part of the clamping plate 3-5; the top of the ladder cage is suspended to the cross bars 3-3 of the first and second connecting members 3, 4.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (5)
1. The utility model provides a terraced cage top and foundation ditch connecting device for subway foundation ditch construction, the fender post is buried underground to the foundation ditch, and the upper portion pouring of fender post is guan liang, guan liang top surface's outside pouring reinforced concrete retaining wall, its characterized in that:
the reinforced concrete retaining wall is characterized in that a first connecting component and a second connecting component which are identical in structure are erected on the reinforced concrete retaining wall, the first connecting component is F-shaped and horizontally arranged and comprises an outer vertical rod, an inner vertical rod, a cross rod, an inclined rod and a clamping plate, the outer vertical rod and the inner vertical rod are respectively attached to the outer wall surface and the inner wall surface of the reinforced concrete retaining wall, and the top surfaces of the outer vertical rod and the inner vertical rod are respectively fixedly connected with the outer ends of the cross rod;
the bottom surface of the cross rod is fixedly connected with the upper end of the inclined rod, the lower end of the inclined rod is fixedly connected with an angular clamping plate, the clamping plate is clamped at the corner of the crown beam, and the top of the ladder cage is suspended on the cross rods of the first connecting member and the second connecting member on the inner side of the reinforced concrete retaining wall.
2. The ladder cage top and foundation pit connecting device for subway foundation pit construction as claimed in claim 1, wherein: and the outer vertical rod and the inner vertical rod are respectively provided with a jackscrew.
3. The ladder cage top and foundation pit connecting device for subway foundation pit construction as claimed in claim 1, wherein: and a pull rod is arranged between the lower end of the inner vertical rod and the clamping plate.
4. The ladder cage top and foundation pit connecting device for subway foundation pit construction as claimed in claim 3, wherein: the lower end of the inner vertical rod is fixedly connected with a vertical sleeve, the outer end of the pull rod is fixedly connected with a clamping column inserted into the sleeve, the inner end of the pull rod is provided with a round hole, and the round hole is sleeved on a screw rod fixedly connected with the inclined rod.
5. The ladder cage top and foundation pit connecting device for subway foundation pit construction as claimed in claim 1, wherein: the outer vertical rod, the inner vertical rod, the cross rod and the inclined rod are all made of H-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990715.2U CN217629940U (en) | 2022-07-30 | 2022-07-30 | Ladder cage top and foundation pit connecting device for subway foundation pit construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990715.2U CN217629940U (en) | 2022-07-30 | 2022-07-30 | Ladder cage top and foundation pit connecting device for subway foundation pit construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217629940U true CN217629940U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221990715.2U Active CN217629940U (en) | 2022-07-30 | 2022-07-30 | Ladder cage top and foundation pit connecting device for subway foundation pit construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217629940U (en) |
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2022
- 2022-07-30 CN CN202221990715.2U patent/CN217629940U/en active Active
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