CN218841526U - Upper and lower ladder cage structure of lattice type tower crane foundation for deep foundation pit - Google Patents
Upper and lower ladder cage structure of lattice type tower crane foundation for deep foundation pit Download PDFInfo
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- CN218841526U CN218841526U CN202222657646.XU CN202222657646U CN218841526U CN 218841526 U CN218841526 U CN 218841526U CN 202222657646 U CN202222657646 U CN 202222657646U CN 218841526 U CN218841526 U CN 218841526U
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Abstract
The utility model discloses an upper and lower ladder cage structure for lattice tower crane foundation of deep basal pit through respectively through cantilever beam and attach post roof beam installation ladder cage body on the lattice column of tower crane foundation cushion cap and foundation cushion cap, and the ladder cage body adopts the unitized construction of pin-connected panel to assemble, and then makes can connect long or gradually festival demolish fast, conveniently after foundation ditch excavation or underground structure form. On the other hand, because the ladder cage body sets firmly on the lattice column, stable in structure, the security is high. The utility model provides a tower crane to foundation ditch Zhang Hong independent setting often adopt fastener formula steel pipe to set up simple and easy steel pipe stair from the hole end and have higher potential safety hazard and install and demolish comparatively trouble problem.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to ladder cage structure about lattice tower crane foundation for deep basal pit.
Background
When the underground structure of the deep foundation pit is constructed, a channel for a tower crane driver to get on and off a tower crane needs to be built. When some project designs adopt the lattice type tower crane which is not adjacent to the trestle, the edge of the foundation pit and the middle part of the independent foundation pit, a channel from the walking platform to the tower crane foundation cannot be built. The conventional method is to adopt fastener formula steel pipe to set up simple and easy steel pipe stair from the hole bottom, nevertheless because the deep basal pit degree of depth exceeds 5 meters, whole rigidity is little when adopting steel pipe stair to set up, and volatile steady has great potential safety hazard, and need set up along with the earthwork progress downwards during the excavation, demolishs along with the progress during underground structure construction, and the operation in-process is comparatively inconvenient.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, an up-down ladder cage structure of a lattice type tower crane foundation for a deep foundation pit is provided so as to solve the problems that a fastener type steel pipe is often adopted to erect a simple steel pipe stair from the bottom of the pit, higher potential safety hazards exist, and the installation and the dismantling are troublesome for a tower crane independently arranged for the foundation pit Zhang Hong.
In order to realize above-mentioned purpose, provide an upper and lower ladder cage structure for lattice tower crane foundation of deep basal pit, include:
the ladder cage comprises a ladder cage body and a plurality of ladder cage units, wherein the ladder cage units are vertically arranged and comprise two upright posts, a plurality of climbing rods and an arc-shaped enclosure, the climbing rods are connected between the two upright posts, two opposite sides of the arc-shaped enclosure are respectively connected to the two upright posts, the inner arc surface of the arc-shaped enclosure is arranged towards the plurality of climbing rods, and the upright posts of the two vertically adjacent ladder cage units are detachably and coaxially connected together through connecting pieces;
the cantilever beam is provided with a fixed end and an overhanging end which are opposite, the fixed end is fixedly arranged on a foundation bearing platform of the tower crane, the overhanging end extends to the outer side of the foundation bearing platform, the foundation bearing platform is poured on a plurality of lattice columns, the lattice columns are buried in the middle of the deep foundation pit, and the overhanging end is connected to the upper end of an upright column of a ladder cage unit at the top layer;
follow the multichannel that vertical direction interval set up and attach the post roof beam, attach the post roof beam connect in the lattice column, attach the post roof beam and set up the first perforation of the lower extreme of the stand of upper ladder cage unit of detachably cover, the upper portion that attaches the post roof beam is formed with the flange plate that supports the climbing pole in the bottom of a section ladder cage unit, the flange plate sets up in two the opposite side of pole setting, adjacent twice attach distance adaptation between the post roof beam in one the height of stand, the top layer attach the post roof beam with between the end of encorbelmenting apart from adaptation one the height of stand.
Further, the end of encorbelmenting has seted up the second and has perforated, one on the top layer the upper end of the stand of terraced cage unit is worn to locate in the second perforation, the upper end detachably of the stand of a terraced cage unit on top layer is connected with and holds and draws the piece, the end of encorbelmenting support in hold and draw the piece.
Furthermore, each attach post roof beam includes two girder steels that set up along the horizontal direction, two the opposite side of girder steel is formed with the flange board, the girder steel has seted up first perforation.
Furthermore, the connecting piece is a threaded sleeve, external threads are formed at two ends of each upright column respectively, and the end parts of two adjacent upright columns are screwed at two ends of the threaded sleeve.
Furthermore, jacks arranged along the length direction of the connecting piece are formed in the two ends of the connecting piece respectively, first locking holes are formed in the two ends of the connecting piece and communicated with the jacks, second locking holes are formed in the end portions of the stand columns, the end portions of the two adjacent stand columns are detachably inserted into the jacks in the two ends of the connecting piece, the second locking holes of the stand columns are aligned to the first locking holes, and locking pins are detachably inserted into the first locking holes and the second locking holes in opposite positions.
Further, the arc encloses the fender and includes:
the stop levers are arranged at intervals in the vertical direction and are arc-shaped, the inner arc surfaces of the stop levers are arranged towards the lattice column, and the stop levers are arranged in the same direction;
and a connecting rod connected to a plurality of the stop rods.
The beneficial effects of the utility model reside in that, the utility model discloses an upper and lower ladder cage structure for deep basal pit's lattice tower crane basis through respectively on the lattice column at tower crane basis cushion cap and basis cushion cap through cantilever beam and attach post roof beam installation ladder cage body, and ladder cage body adopts the cellular structure of pin-connected panel to assemble, and then makes can connect the length fast after foundation ditch excavation or underground structure form or gradually the festival demolish. On the other hand, because the ladder cage body sets firmly on the lattice column, stable in structure, the security is high.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is the utility model discloses a structural schematic of ladder cage structure about a lattice tower crane foundation for deep basal pit.
Fig. 2 is the utility model discloses a structural schematic diagram that is used for the upper and lower ladder cage structure's of lattice tower crane foundation of deep basal pit upper portion.
Fig. 3 is a schematic structural view of a joint between a top-layer ladder cage unit and a cantilever beam of the embodiment of the present invention.
Fig. 4 is the utility model discloses a structural schematic diagram at the middle part of the ladder cage structure about a lattice tower crane foundation for deep basal pit.
Fig. 5 is the utility model discloses a structure schematic diagram for lower part of ladder cage structure about lattice tower crane foundation of deep basal pit.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 5, the utility model provides an upper and lower ladder cage structure for lattice tower crane foundation of deep basal pit, include: the ladder cage comprises a ladder cage body 1, cantilever beams 2 and a plurality of auxiliary column beams 3.
Wherein, ladder cage body 1 adopts the concatenation of unit formula ladder cage to form. Specifically, the ladder cage body 1 comprises a plurality of vertically arranged ladder cage units.
Each section of ladder cage unit comprises two upright posts 11, a plurality of climbing rods 12 and an arc-shaped enclosure 13. The two upright posts 11 are respectively vertically arranged. A plurality of climbing rods 12 are connected between the two vertical posts 11. And a preset distance is reserved between the top layer climbing rod and the bottom layer climbing rod and the end faces of the two ends of the upright post respectively.
The arc-shaped fence 13 has opposite sides in its arcing direction. The opposite sides of the arc-shaped enclosure 13 are connected to the two vertical rods respectively. The inner arc surface of the arc-shaped enclosure 13 is arranged towards the plurality of climbing rods 12. The upright columns 11 of the two sections of ladder cage units adjacent to each other from top to bottom are detachably and coaxially connected together through connecting pieces, namely, each section of ladder cage unit can be lengthened with the next section of ladder cage unit through the connecting pieces.
The cantilever beam 2 has a fixed end and an overhanging end opposite to each other. The fixed end of the cantilever beam 2 is fixedly arranged on a foundation bearing platform 4 of the tower crane. The overhanging end of the overhanging beam 2 extends to the outer side of the foundation bearing platform 4.
In this embodiment, the foundation platform 4 is cast over a plurality of lattice columns 5. The lattice column 5 is embedded in the middle of the deep foundation pit. The latticed columns are independently arranged in the deep foundation pit. The overhanging end of the overhanging beam 2 is connected with the upper end of the upright post 11 of the ladder cage unit a at the top layer.
And a plurality of column attaching beams 3 are arranged at intervals along the vertical direction. Each secondary column beam is connected to a lattice column 5. Specifically, the auxiliary column beam is connected with an end plate. The end portions are welded to the lattice columns. The cantilever beam is fixedly arranged on the foundation bearing platform through an expansion bolt.
The column attaching beam is provided with a first through hole. The first through hole is detachably sleeved at the lower end of the upright post 11 of the upper-layer ladder cage unit. The upper part of the column-attached beam is formed with a flange plate. The flange plates are supported on the climbing poles 12 of the bottom layer of a section of the ladder cage unit. The flange plate is vertically arranged, and the height of the flange plate is adaptive to the preset distance. The flange plates are arranged on the opposite sides of the two vertical rods. The distance between two adjacent column-attached beams is adapted to the height of a column 11. The distance between the top layer column-attached beam and the overhanging end is matched with the height of a column 11.
The utility model discloses an upper and lower ladder cage structure for lattice tower crane foundation of deep basal pit through respectively through cantilever beam and attach post roof beam installation ladder cage body on the lattice column of tower crane foundation cushion cap and basic cushion cap, and ladder cage body adopts the cellular structure of pin-connected panel to assemble, and then makes can connect long or demolish gradually fast, conveniently after foundation ditch excavation or underground structure form. On the other hand, because the ladder cage body sets firmly on the lattice column, stable in structure, the security is high.
As a preferred embodiment, referring to fig. 2 and 3, the cantilever end of the cantilever beam is provided with a second through hole. The upper end of the upright post 11 of one ladder cage unit a at the top layer is arranged in the second through hole in a penetrating way. The upper end of the upright post 11 of one ladder cage unit a at the top layer is detachably connected with a tension bearing piece. The overhanging end is supported on the tensile member.
In this embodiment, the tensile member is formed with a threaded hole. The end of the upright post is formed with external threads. The tensile member is screwed to the upper end of the upright post 11 of the top cage unit a. The outer diameter of the tensile member is larger than the inner diameter of the second through hole.
In this embodiment, the number of the cantilever beams is two, and the distance between the two cantilever beams is adapted to the distance between the two vertical columns. Each attaches post roof beam 3 and includes two girder steels that set up along the horizontal direction, and the opposite side of two girder steels is formed with flange plate 31, and the first perforation has been seted up to the girder steel.
The ladder cage unit is convenient to lengthen and disassemble. In some embodiments, the connection is a threaded bushing. External threads are formed at both ends of the pillar 11, respectively. The end parts of the two adjacent upright columns 11 are screwed with the two ends of the threaded sleeve.
In some embodiments, the connector is formed with insertion holes at both ends thereof, respectively, in a length direction of the connector. The two ends of the connecting piece are provided with first lock holes. The first lock hole is communicated with the jack. The end of the upright post 11 is provided with a second lock hole. The end parts of two adjacent upright posts 11 are detachably inserted into the insertion holes at two ends of the connecting piece. The second locking hole of the upright post 11 is aligned with the first locking hole. Locking pins are detachably inserted into the first locking hole and the second locking hole which are opposite in position.
Referring to fig. 4, the arc-shaped enclosure 13 includes: a plurality of bars 131 and a tie bar 132.
Specifically, the plurality of blocking bars 131 are arranged at intervals in the vertical direction. Each stop lever 131 is arc-shaped, and the inner arc surface of the stop lever 131 is arranged towards the lattice column. The plurality of bars 131 are arranged in the same direction. The tie bar 132 is connected to a plurality of bars 131.
The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (6)
1. The utility model provides an upper and lower ladder cage structure for lattice tower crane foundation of deep basal pit which characterized in that includes:
the ladder cage comprises a ladder cage body and a plurality of ladder cage units, wherein the ladder cage units are vertically arranged and comprise two stand columns, a plurality of climbing rods and an arc-shaped enclosure, the climbing rods and the arc-shaped enclosure are connected between the two stand columns, two opposite sides of the arc-shaped enclosure are respectively connected to the two stand columns, the inner arc surface of the arc-shaped enclosure is arranged towards the plurality of climbing rods, and the stand columns of the two vertically adjacent ladder cage units are coaxially connected together in a detachable mode through connecting pieces;
the cantilever beam is provided with a fixed end and an overhanging end which are opposite, the fixed end is fixedly arranged on a foundation bearing platform of the tower crane, the overhanging end extends to the outer side of the foundation bearing platform, the foundation bearing platform is poured on a plurality of lattice columns, the lattice columns are buried in the middle of the deep foundation pit, and the overhanging end is connected to the upper end of an upright column of a ladder cage unit at the top layer;
follow multichannel that vertical direction interval set up and attach the post roof beam, attach the post roof beam connect in the lattice column, attach the post roof beam and set up the first perforation of the lower extreme of the stand of upper ladder cage unit of detachably cover locating, the upper portion that attaches the post roof beam is formed with the flange plate that supports the climbing pole in the bottom of a section ladder cage unit, the flange plate sets up in two the opposite side of stand, adjacent twice attach distance adaptation between the post roof beam in one the height of stand, the top layer attach the post roof beam with between the end of encorbelmenting apart from adaptation one the height of stand.
2. The upper and lower ladder cage structure of lattice tower crane foundation for deep basal pit according to claim 1, characterized in that the second perforation has been seted up to the end of encorbelmenting, the top layer one the upper end of the stand of ladder cage unit is worn to locate in the second perforation, the upper end detachably of the stand of a ladder cage unit on top layer is connected with and is held the piece, the end of encorbelmenting support in hold the piece.
3. The ascending and descending ladder cage structure of the lattice tower crane foundation for the deep foundation pit as claimed in claim 1, wherein each of the auxiliary column beams comprises two steel beams arranged in a horizontal direction, the flange plates are formed on opposite sides of the two steel beams, and the first through holes are formed in the steel beams.
4. The upper and lower ladder cage structure of the lattice tower crane foundation for the deep foundation pit as claimed in claim 1, wherein the connecting member is a threaded sleeve, external threads are formed at both ends of the columns respectively, and the end portions of two adjacent columns are screwed to both ends of the threaded sleeve.
5. The going up and down ladder cage structure of lattice tower crane foundation for deep basal pit according to claim 1, characterized in that, the both ends of connecting piece are formed with the jack that sets up along the length direction of connecting piece respectively, the both ends of connecting piece have seted up first lockhole, first lockhole communicate in the jack, the tip of stand has seted up the second lockhole, the tip detachably of two adjacent stands is inserted and is located in the jack at the both ends of connecting piece, the second lockhole of stand aim at in the first lockhole, detachably is inserted and is equipped with the stop pin in the first lockhole that the position is relative with in the second lockhole.
6. The upper and lower ladder cage structure of lattice tower crane foundation for deep foundation pit of claim 1, wherein the arc enclosure comprises:
the stop levers are arranged at intervals in the vertical direction and are arc-shaped, the inner arc surfaces of the stop levers are arranged towards the lattice column, and the stop levers are arranged in the same direction;
and the connecting rod is connected with a plurality of the stop rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222657646.XU CN218841526U (en) | 2022-10-10 | 2022-10-10 | Upper and lower ladder cage structure of lattice type tower crane foundation for deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222657646.XU CN218841526U (en) | 2022-10-10 | 2022-10-10 | Upper and lower ladder cage structure of lattice type tower crane foundation for deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218841526U true CN218841526U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222657646.XU Active CN218841526U (en) | 2022-10-10 | 2022-10-10 | Upper and lower ladder cage structure of lattice type tower crane foundation for deep foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218841526U (en) |
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2022
- 2022-10-10 CN CN202222657646.XU patent/CN218841526U/en active Active
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