CN215053235U - Lattice column mounting device for reverse construction method - Google Patents
Lattice column mounting device for reverse construction method Download PDFInfo
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- CN215053235U CN215053235U CN202121795490.0U CN202121795490U CN215053235U CN 215053235 U CN215053235 U CN 215053235U CN 202121795490 U CN202121795490 U CN 202121795490U CN 215053235 U CN215053235 U CN 215053235U
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- reverse construction
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Abstract
The utility model discloses a lattice column installation device for reverse construction method construction, including lattice column and the stake hole that is located the below ground, the concrete pile has been pour to the downthehole bottom of stake, and stake downthehole internal fixation has the cylindrical frame who extends to concrete pile top, and the preceding of the interior top of cylindrical frame, the left and right side of rear side and interior below correspond respectively installs two upper and lower baffles, and the interval of two upper and lower baffles is all adjustable, and two upper and lower baffles constitute in space and supply the lattice column to fall to the downthehole passageway of stake. The utility model discloses can provide the guide effect for the decline of lattice column, and can guarantee the straightness that hangs down of lattice column to make the placement of lattice column and the straightness that hangs down can not deviate, reduced the construction degree of difficulty, avoided the potential safety hazard; in addition, the requirement of descending of latticed columns with different widths can be met.
Description
Technical Field
The utility model relates to a construction technical field specifically is a lattice column installation device for reverse construction method construction.
Background
In the field of building construction, a reverse construction method is an ultra-conventional construction method and is generally adopted under special conditions of deep foundation pits, complex geology, high underground water level and the like. The underground continuous wall or other supporting structures are firstly constructed along the axis or the periphery of the basement of the building, and meanwhile, the middle supporting piles and the lattice columns are poured or driven down at the relevant positions inside the building and are used as supports for bearing the self weight of the upper structure and the construction load before the bottom plate is sealed during construction. And then excavating the earthwork to the top surface elevation of the basement of the first layer, finishing the beam slab floor structure of the layer to serve as a support with high rigidity of the supporting structure, and then excavating the earthwork downwards layer by layer and pouring underground structures of all layers until the bottom plate is sealed. Meanwhile, the floor structure of the ground layer is finished, so that conditions are created for the construction of the upper structure, and the construction of the ground structure can be simultaneously carried out layer by layer upwards. And constructing the ground up and down at the same time until the project is finished.
In the process of construction by adopting a reverse construction method, a pile column (foundation) is formed at the bottom in a pile hole usually by pouring concrete in the pile hole dug in advance, then a hoisting device is adopted to lower the lattice column into the pile hole, and then installation is realized by pouring concrete to form a supporting structure of one pile and one column. Because the degree of depth in stake hole is great (often more than 10 meters), the bore is less again relatively, often can't follow the subaerial inside of observing the stake hole, also can't directly master the decline condition of lattice column, consequently, can lead to the fact the position of the placement of lattice column and the straightness that hangs down to take place the deviation unavoidably, has not only increased the construction degree of difficulty, in case form vertical support structure from this moreover, can bring very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect that prior art exists and not enough, providing a lattice column installation device for reverse construction method construction, can provide the guide effect for the decline of lattice column, and can guarantee the straightness that hangs down of lattice column for the drop point position and the straightness that hangs down of lattice column can not take place the deviation, reduce the construction degree of difficulty, avoid the potential safety hazard.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a lattice column installation device for reverse construction method construction, is including lattice column and the stake hole that is located the below ground, concrete pile has been pour to the downthehole bottom of stake, its characterized in that: stake downthehole be fixed with extend to the tubular frame of concrete pile top, the preceding, the rear side of the interior top of tubular frame correspond respectively and install two overhead fenders, the interval of two overhead fenders is adjustable, and the left and right sides of the interior below of tubular frame correspond respectively and install two lower baffles, the interval of two lower baffles is adjustable, two overhead fenders and two lower baffles constitute the confession in the space the lattice column descend to the downthehole passageway of stake.
Further, the four corners of the bottom end of the lattice column are fixedly connected with a plurality of vertically arranged steel bars.
Further, a guide tube extending in the height direction of the lattice column is fixed to the inside of the lattice column.
Furthermore, the outer side of the top end of the cylindrical frame is respectively and fixedly connected with two cross beams correspondingly, vertical pin holes are formed in the two cross beams, two pin columns respectively penetrate through the two vertical pin holes correspondingly and are inserted into the ground, and the two cross beams are fixed on the ground.
Furthermore, level gauges are arranged on the two cross beams.
Furthermore, the front crosspiece and the rear crosspiece on the upper part of the cylindrical frame are both provided with upper screw holes, and are respectively provided with upper screw rods through thread matching, and one ends of the two upper screw rods are respectively and correspondingly connected with the two upper baffle plates in a rotating way; the left crosspiece and the right crosspiece on the lower part of the cylindrical frame are both provided with lower screw holes, lower screw rods are respectively installed through thread matching, and one ends of the two lower screw rods are respectively and correspondingly connected with the two lower baffle plates in a rotating mode.
Furthermore, the other ends of the two upper screw rods and the two lower screw rods extend to the outer side of the cylindrical frame and are fixedly connected with rocking handles.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses at the fixed cylindrical frame in the stake hole to left and right side at the front and rear side of the interior upper place of cylindrical frame and interior lower place correspond respectively installs two upper and lower baffles, from this, two upper and lower baffles and constitute the passageway that supplies the lattice column to descend to in the stake hole in space, can provide the guide effect for the decline of lattice column, and only need keep its level when installing cylindrical frame, can guarantee the straightness that hangs down of lattice column, thereby make the placement position and the straightness that hangs down of lattice column can not deviate, reduced the construction degree of difficulty, avoided the potential safety hazard; in addition, the distance between the two upper baffles and the two lower baffles can be adjusted, and the requirement of descending of latticed columns with different widths can be met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the lattice column of the present invention.
Fig. 3 is a schematic structural diagram of the middle cylindrical frame of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a lattice column installation device for reverse construction method construction comprises a lattice column 1 and a pile hole 2 located below the ground, a concrete pile 3 is poured at the bottom in the pile hole 2, a cylindrical frame 4 extending to the upper side of the concrete pile 3 is fixed in the pile hole 2, two upper baffles 5 are correspondingly installed on the front side and the rear side of the inner upper side of the cylindrical frame 4 respectively, the distance between the two upper baffles 5 is adjustable, two lower baffles 6 are correspondingly installed on the left side and the right side of the inner lower side of the cylindrical frame 4 respectively, the distance between the two lower baffles 6 is adjustable, and a channel for the lattice column to fall into the pile hole is formed by the two upper baffles 5 and the two lower baffles 6 in space.
The utility model discloses in, the equal fixedly connected with in four corners of the bottom of lattice column 1 is a plurality of reinforcing bar 7 of vertical setting. This enables the lower end of the lattice column 1 to be better bonded to the concrete pile 3 after the concrete has been poured.
In the utility model, the inside of the lattice column 1 is fixed with the guide tube 8 extending along the height direction. Therefore, after the lattice column 1 descends to the right position, concrete can be poured through the guide pipe 8, and the lower end of the lattice column 1 is combined with the concrete pile 3.
The utility model discloses in, the outside on the top of cylindrical frame 4 corresponds two crossbeams 9 of fixedly connected with respectively, all is equipped with vertical pinhole (for showing in the picture, lower with) on two crossbeams 9, has two round pins 10 to correspond respectively and passes two vertical pinholes and insert the below ground, fixes two crossbeams 9 subaerial. Thereby, the fixing of the cylindrical frame 4 is achieved.
Correspondingly, level gauges 11 are mounted on the two cross beams 9. Thus, the cylindrical frame 4 is kept horizontal at the time of mounting by the provision of the level 11.
In the utility model, the front and rear crosspieces at the upper part of the cylindrical frame 4 are both provided with upper screw holes (shown in the figure) and are respectively provided with upper screw rods 12 through thread matching, and one ends of the two upper screw rods 12 are respectively correspondingly and rotatably connected with the two upper baffles 5; lower screw holes (not shown in the figure) are respectively formed on the left crosspiece and the right crosspiece at the lower part of the cylindrical frame 4, lower screw rods 13 are respectively installed through thread matching, and one ends of the two lower screw rods 13 are respectively and correspondingly connected with the two lower baffle plates 6 in a rotating mode.
Correspondingly, the other ends of the two upper screws 12 and the two lower screws 13 extend to the outer side of the cylindrical frame 4 and are fixedly connected with rocking handles 14.
Therefore, the two upper screw rods 12 and the two lower screw rods 13 are correspondingly rotated by holding the rocking handle 14, so that the two upper baffles 5 and the two lower baffles 6 move in opposite directions or move back to back, and the distance between the two upper baffles 5 and the distance between the two lower baffles 6 are adjusted.
The invention is further described below with reference to the accompanying drawings:
before the cylindrical frame 4 is installed, the rocking handle 14 is held by hands according to the actual width (size) of the lattice column 1, then the two upper screw rods 12 and the two lower screw rods 13 are correspondingly rotated respectively, so that the two upper baffles 5 and the two lower baffles 6 move in opposite directions or move back to back, and the distance between the two upper baffles 5 and the distance between the two lower baffles 6 are adjusted to adapt to the actual width (size) of the lattice column 1.
Then, a hoisting device is adopted to lower the main body part of the cylindrical frame 4 into the pile hole 2, the cylindrical frame 4 is adjusted according to the indication of a level gauge 11 to keep horizontal, two pins 10 are correspondingly inserted into the two vertical pin holes respectively and inserted into the ground, and the two cross beams 9 are fixed on the ground, so that the cylindrical frame 4 is fixed.
It should be noted that, in the process of installing the cylindrical frame 4, it is ensured that not only the verticality of the cylindrical frame 4 but also the center of the cylindrical frame 4 coincides with the center of the concrete pile 3, so that the lattice column 1 can be prevented from being eccentric during installation.
When the lattice column 1 is installed, hoisting equipment is adopted to slowly lower the lattice column 1 into the pile hole 2 along a channel consisting of the two upper baffles 5 and the two lower baffles 6.
It should be noted that, in the descending process of the lattice column 1, because the lattice column 1 always descends along the channel formed by the two upper baffles 5 and the two lower baffles 6, the falling point of the lattice column 1 is not deviated; further, since the cylindrical frame 4 is kept horizontal, the lattice column 1 is always lowered in a vertical posture, that is, the perpendicularity of the lattice column 1 is not deviated.
After the lattice column 1 is lowered to the position, concrete is poured into the pile hole 2 through the guide pipe 6, so that the lower end of the lattice column 1 is combined with the concrete pile 3.
After the poured concrete is cured, the cylindrical frame 4 and the guide pipe 6 are disassembled and removed. To this end, the lattice columns 1 and the concrete piles 3 form a "one-pile-one-column" support structure.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. The utility model provides a lattice column installation device for reverse construction method construction, is including lattice column and the stake hole that is located the below ground, concrete pile has been pour to the downthehole bottom of stake, its characterized in that: stake downthehole be fixed with extend to the tubular frame of concrete pile top, the preceding, the rear side of the interior top of tubular frame correspond respectively and install two overhead fenders, the interval of two overhead fenders is adjustable, and the left and right sides of the interior below of tubular frame correspond respectively and install two lower baffles, the interval of two lower baffles is adjustable, two overhead fenders and two lower baffles constitute the confession in the space the lattice column descend to the downthehole passageway of stake.
2. A lattice column installation unit for reverse construction according to claim 1, wherein: the equal fixedly connected with in four corners of the bottom of lattice column is a plurality of reinforcing bar of vertical setting.
3. A lattice column installation unit for reverse construction according to claim 1, wherein: a conduit extending in the height direction of the lattice column is fixed inside the lattice column.
4. A lattice column installation unit for reverse construction according to claim 1, wherein: the outer side of the top end of the cylindrical frame is fixedly connected with two cross beams correspondingly, vertical pin holes are formed in the two cross beams, two pin columns correspondingly penetrate through the two vertical pin holes and are inserted into the ground, and the two cross beams are fixed on the ground.
5. A lattice column installation device for reverse construction according to claim 4, wherein: and level gauges are arranged on the two cross beams.
6. A lattice column installation unit for reverse construction according to claim 1, wherein: the front crosspiece and the rear crosspiece on the upper part of the cylindrical frame are both provided with upper screw holes and are respectively provided with upper screw rods in threaded fit, and one ends of the two upper screw rods are respectively and correspondingly connected with the two upper baffle plates in a rotating way; the left crosspiece and the right crosspiece on the lower part of the cylindrical frame are both provided with lower screw holes, lower screw rods are respectively installed through thread matching, and one ends of the two lower screw rods are respectively and correspondingly connected with the two lower baffle plates in a rotating mode.
7. A lattice column installation device for reverse construction according to claim 6, wherein: the other ends of the two upper screw rods and the two lower screw rods extend to the outer side of the cylindrical frame and are fixedly connected with rocking handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121795490.0U CN215053235U (en) | 2021-08-03 | 2021-08-03 | Lattice column mounting device for reverse construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121795490.0U CN215053235U (en) | 2021-08-03 | 2021-08-03 | Lattice column mounting device for reverse construction method |
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| CN215053235U true CN215053235U (en) | 2021-12-07 |
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| CN202121795490.0U Active CN215053235U (en) | 2021-08-03 | 2021-08-03 | Lattice column mounting device for reverse construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492403A (en) * | 2022-10-09 | 2022-12-20 | 浙江省一建建设集团有限公司 | Combined type precise positioning construction device for tower footing steel latticed column |
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2021
- 2021-08-03 CN CN202121795490.0U patent/CN215053235U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492403A (en) * | 2022-10-09 | 2022-12-20 | 浙江省一建建设集团有限公司 | Combined type precise positioning construction device for tower footing steel latticed column |
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