CN217710839U - Be used for steel-pipe column and steel reinforcement cage integration construction equipment - Google Patents
Be used for steel-pipe column and steel reinforcement cage integration construction equipment Download PDFInfo
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- CN217710839U CN217710839U CN202220655326.8U CN202220655326U CN217710839U CN 217710839 U CN217710839 U CN 217710839U CN 202220655326 U CN202220655326 U CN 202220655326U CN 217710839 U CN217710839 U CN 217710839U
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Abstract
The utility model discloses a be used for steel-pipe column and steel reinforcement cage integration construction equipment for subway station lid digs reverse construction method steel core concrete center pillar construction installation, its characterized in that: the pile comprises a pile hole, a full-slewing drilling machine, a tool column and a steel pipe column, wherein the tool column and the steel pipe column are connected in a contraposition mode through bolts; the steel pipe column is formed by combining a column body and a bracket plate, the bracket plate is welded on the column body, and studs are arranged on the periphery of the lower end of the steel pipe column; the full-slewing drilling machine is arranged above the pile hole, a steel casing is arranged on the inner wall of the upper section of the pile hole, and the steel pipe column can be placed into the pile hole through the full-slewing drilling machine; the pile hole bottom still is provided with foundation pile and first steel reinforcement cage, the peg of steel pipe column bottom can be embedded into in the first steel reinforcement cage. This application adopts the steel-pipe column and takes the instrument post cooperation of reflection of light strip, carries out the below through full rotary drilling machine again to monitor through the total powerstation, can ensure that the steel-pipe column transfers perpendicularly.
Description
Technical Field
The utility model relates to a construction field, concretely relates to be used for steel-pipe column and steel reinforcement cage integration construction equipment.
Background
The cover and excavation construction method is a common method during the construction of the existing subway station, a steel pipe column in the cover and excavation construction subway station is one of diversified structural forms which are researched and applied in recent years, successful application is more and more attracted by more and more building industries, a steel pipe concrete plate column or a beam plate column structure is formed by utilizing a force transmission mode of a steel corbel, a beam steel bar and a node ring plate, the advantages of the steel pipe column are fully exerted, the cover and excavation construction method is gradually popularized and applied to a permanent structural column of the subway station, the installation of the steel pipe column is an indispensable first procedure in the cover and excavation construction, and the installation of the steel pipe column becomes an important link after the construction of a pile foundation is completed.
When an existing steel pipe column is installed, the steel pipe column is generally firstly hoisted by using a crane, the steel pipe column is suspended, then the state of the steel pipe column is adjusted, the steel pipe column is required to be vertically and vertically aligned with a pile hole during adjustment, the axis of the steel pipe column is also required to be coincided with the axis of the pile hole, the steel pipe column can be placed in the pile hole at the moment, and when the steel pipe column is arranged below the steel pipe column, the state of the steel pipe column is required to be frequently measured, the steel pipe column is required to be kept without deviation all the time, the operation is troublesome, the efficiency of installing the steel pipe column is low, and therefore the improvement is needed.
Patent with application number CN201920352523.0 proposes that reverse construction steel pipe post and steel reinforcement cage suspend connecting device in midair, and its structure is fixed with annular stiffening rib plate on the steel pipe post, is fixed with steel reinforcement cage reinforcing ring board in the upper end of steel reinforcement cage, is connected with between annular stiffening rib plate and the steel reinforcement cage reinforcing ring board to be no less than 3 wire rope, and the central angle of wire rope between each tie point on annular stiffening rib plate and steel reinforcement cage reinforcing ring board is the same. Because the steel-pipe column is mainly connected through wire rope between the steel reinforcement cage, belongs to the flexonics, and difficult emergence is rocked during hoist and mount to influence the straightness that hangs down of steel reinforcement cage.
The existing method has more working procedures, low construction efficiency and difficult guarantee of construction quality, and influences the construction progress; after the structure is completely hoisted into the hole, if the verticality is not met, the structure needs to be hoisted again, so that the construction efficiency is low, and the construction cost is high; the existing method can not solve the construction problem caused by no steel pipe column section between the station top plate and the road plane.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a be used for steel-pipe column and steel reinforcement cage integration construction equipment.
To realize the technical purpose, the utility model discloses a scheme is: a construction structure for integrating a steel pipe column and a reinforcement cage is used for construction and installation of a steel pipe concrete center column in a subway station cover excavation top-down method and comprises a pile hole, a full-slewing drilling machine, a tool column and the steel pipe column, wherein the tool column and the steel pipe column are connected in an alignment mode through bolts;
the steel pipe column is formed by combining a column body and a bracket plate, at least one bracket plate is welded on the column body, steel ring plates are respectively arranged on the upper side and the lower side of the bracket plate, and studs are arranged on the periphery of the lower end of the steel pipe column;
the full-slewing drilling machine is arranged above a pile hole, a steel casing is arranged on the inner wall of the upper section of the pile hole, and the steel pipe column can be placed into the pile hole through the full-slewing drilling machine;
the bottom of the pile hole is further provided with a foundation pile and a first steel reinforcement cage, and the stud at the bottom of the steel pipe column can be embedded into the first steel reinforcement cage.
Preferably, at least two circles of light reflecting strips and a level meter are further arranged on the tool post;
preferably, the steel ring plate is provided with a mounting hole, and the steel ring plate can be mounted on the bracket plate through bolts.
Preferably, the bottommost part of the steel pipe column is further provided with a tapered part, and the tapered part at the bottom end of the steel pipe column can be embedded into the first reinforcement cage.
Preferably, the outer side of the tool column is further provided with a vertical ladder, and constructors can enter the joint of the tool column and the steel pipe column through the lateral vertical ladder.
Preferably, the outer diameter of the steel ring plate is smaller than the inner diameter of the steel casing.
The utility model has the advantages that the steel pipe column is matched with the tool column with the reflecting strip, the lower part of the tool column is arranged through the full-circle slewing drilling machine, the monitoring is carried out through the total station, the vertical lowering of the steel pipe column can be ensured, and the tool column can be repeatedly used for multiple times; meanwhile, a steel ring plate and a bracket plate are welded on the column body of the steel pipe column, so that after foundation pit excavation construction is facilitated, the middle plate and the steel pipe column are connected for construction, and the steel ring plate has a limiting effect in the lowering process of the steel pipe column, so that the perpendicularity of the steel pipe column is preliminarily guaranteed; meanwhile, a vertical ladder is installed on the inner side of the tool post, so that a constructor can conveniently enter the bottom of the tool post to remove the tool post.
Drawings
FIG. 1 is a reference diagram of the construction state of the present invention;
FIG. 2 is a schematic structural view of the tool column and the steel pipe column of the present invention;
FIG. 3 is a schematic structural view of the construction structure of the present invention;
fig. 4 is a schematic structural view of the steel annular plate of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. In order to clearly and completely describe the technical scheme, the following embodiments are selected for illustration; the following embodiments are some of the embodiments of the present invention; based on this application, do not make other embodiments that obtain under the creative work prerequisite, all belong to the utility model discloses the scope of protection.
In the following embodiments, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top/bottom", and other orientations and positional relationships are all based on the orientations and positional relationships shown in the drawings, and are only for the convenience of clarity of description of the embodiments, but do not indicate or imply that the devices or elements referred to must have specific orientations, and therefore, should not be construed as limiting the present application. Meanwhile, the terms "first" and "second" in the embodiments are used only for distinguishing the descriptive purposes and are not intended to indicate or imply relative importance.
As shown in fig. 1-4, the embodiment of the present invention is a construction structure for constructing and installing a steel pipe concrete center column in a cover-excavation top-down method of a subway station, including a pile hole 1, a full-circle slewing drilling machine 2, a tool column 3 and a steel pipe column 4, wherein the tool column 3 and the steel pipe column 4 are connected by a bolt;
the steel pipe column 4 is formed by combining a column body 401 and a bracket plate 402, at least one bracket plate 402 is welded on the column body 401, steel ring plates 403 are respectively welded on the upper side and the lower side of the bracket plate 402, studs 404 are arranged around the lower end of the steel pipe column 4, and a conical part 405 is further arranged at the bottommost part of the steel pipe column 4;
the tool post 3 is also provided with at least two circles of reflective strips 301 and a level gauge;
as shown in fig. 2-4, the full slewing drilling machine 2 is installed above the pile hole 1, a steel casing 5 is installed on the inner wall of the upper section of the pile hole 1, and the steel pipe column 4 can be lowered into the pile hole 1 through the full slewing drilling machine 2;
the bottom of the pile hole 1 is further provided with a foundation pile 6 and a first reinforcement cage 7, and the stud 404 and the conical part 405 at the bottom of the steel pipe column 4 can be embedded into the first reinforcement cage 7.
The specific construction method of the construction structure of the application is as follows:
s1, a preparation stage, namely flattening and hardening a field, and determining a pile position;
s2, constructing the pile hole by adopting a rotary drilling hole forming technology, embedding a pile casing in the upper section of the pile hole after the pile hole is obtained, wherein the axis of the pile casing is superposed with the axis of the pile hole, and the outer side wall of the pile casing is abutted against the side wall of the pile hole;
s3, placing a first reinforcement cage at a designated position in the bottom of the pile hole, and pouring concrete to obtain a foundation pile in the pile hole, wherein part of the first reinforcement cage extends out of the top of the foundation pile;
s4, mounting a full-slewing drilling machine on the pile hole, lowering the steel pipe column to the specified position of the pile hole through the full-slewing drilling machine, and controlling the verticality of the steel pipe column in the lowering process;
in the step S4, a tool column is connected to the top of the steel pipe column in an alignment mode through a bolt, and the axis of the connecting sleeve is overlapped with the axis of the steel pipe column;
two or more circles of reflecting strips are arranged on the tool post, a total station for observing the deviation and the corner condition of the reflecting strips is arranged on one side of the tool post, and the total station can monitor the change of the reflecting strips on the tool post in real time in the process of lowering the steel pipe post; and when the verticality of the steel pipe column meets 1/1000 and below, continuing to transfer the steel pipe column, and if the verticality does not meet the requirements, continuing to transfer the steel pipe column after the adjustment of the full-slewing drilling machine.
S4, when the steel pipe column is lowered to the designed elevation, gravel is backfilled on the outer side of the steel pipe column, and stability of the steel pipe column is guaranteed;
the instrument post outside still is provided with erects the ladder, and constructor erects the ladder through the side and gets into instrument post and steel-pipe column junction, demolishs the bolt, treats that constructor takes out the instrument post after leaving the instrument post.
In the step S4, a steel ring plate and a bracket plate which can be connected with the middle plate are welded on the column body of the steel pipe column; this steel ring plate transfers the in-process at the steel-pipe column and can carry out limiting displacement to the steel-pipe column, lets the steel-pipe column and steel protect a section of thick bamboo and be in parallel state. The verticality of the steel pipe column can be preliminarily guaranteed by means of the limiting effect of the steel ring plate. Meanwhile, after the steel ring plate and the bracket plate are convenient for excavation construction of a foundation pit, the middle plate and the steel pipe column are connected for construction.
S5, pouring the bottom of the steel pipe column and the foundation pile together through concrete, after pouring to a designed elevation, putting a second reinforcement cage down and installing the reinforcement cage at the top of the steel pipe column, and backfilling broken stones in the pile hole; and S5, a plurality of studs for reinforcing connection between the steel pipe column and the foundation pile are further arranged at the lowest end of the steel pipe column, and the steel pipe column, the studs and the foundation pile can be poured together through concrete.
And in the step S5, the pouring height position of the bottom of the steel pipe column and the foundation pile is smaller than the height position of the bracket plate on the steel pipe column. The external diameter of the steel ring plate is smaller than the internal diameter of the steel casing, and the length of the steel casing is larger than the elevation of the top plate.
S6, a second reinforcement cage is placed downwards and installed on the top of the steel pipe column, broken stones are backfilled in the pile hole, and the steel casing is pulled out;
s7, excavating a soil layer between the road and the elevation of the top plate of the station, constructing the top plate of the subway station, and connecting the top plate, the top of the steel pipe column and the second reinforcement cage through concrete pouring;
and (5) covering soil above the top plate and backfilling, recovering road construction, and finishing the construction of the steel pipe concrete center pillar.
According to the method, the steel pipe column is matched with the tool column with the light reflecting strips, the lower part of the steel pipe column is monitored through the full-slewing drilling machine and the total station, so that the steel pipe column can be vertically lowered, and the tool column can be repeatedly used for multiple times; meanwhile, a steel ring plate and a bracket plate are welded on the column body of the steel pipe column, so that after foundation pit excavation construction is facilitated, the middle plate and the steel pipe column are connected for construction, and the steel ring plate has a limiting effect in the lowering process of the steel pipe column, so that the perpendicularity of the steel pipe column is preliminarily guaranteed; meanwhile, the vertical ladder is arranged on the inner side of the tool post, so that a constructor can conveniently enter the bottom of the tool post to dismantle the tool post; the construction structure is high in construction efficiency and low in construction difficulty, and construction quality and construction progress can be effectively guaranteed.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (6)
1. The utility model provides a be used for steel-pipe column and steel reinforcement cage integration construction equipment for subway station lid digs reverse construction method steel core concrete center pillar construction installation, its characterized in that: the tool column is connected with the steel pipe column in an alignment mode through bolts;
the steel pipe column is formed by combining a column body and a bracket plate, at least one bracket plate is welded on the column body, steel ring plates are respectively arranged on the upper side and the lower side of the bracket plate, and studs are arranged on the periphery of the lower end of the steel pipe column;
the full-slewing drilling machine is arranged above a pile hole, a steel casing is arranged on the inner wall of the upper section of the pile hole, and the steel pipe column can be placed into the pile hole through the full-slewing drilling machine;
the bottom of the pile hole is further provided with a foundation pile and a first steel reinforcement cage, and the stud at the bottom of the steel pipe column can be embedded into the first steel reinforcement cage.
2. The integrated construction device for the steel pipe column and the reinforcement cage according to claim 1, wherein: at least two circles of light reflecting strips and a level meter are further arranged on the tool post.
3. The integrated construction device for the steel pipe column and the reinforcement cage according to claim 1, wherein: the steel ring plate is provided with a mounting hole and can be mounted on the bracket plate through bolts.
4. The integrated construction device for the steel pipe column and the reinforcement cage according to claim 1, wherein: the bottommost part of the steel pipe column is also provided with a conical part, and the conical part at the bottom end of the steel pipe column can be embedded into the first reinforcement cage.
5. The integrated construction device for the steel pipe column and the reinforcement cage according to claim 1, wherein: the outside of the tool post is also provided with a vertical ladder, and constructors can enter the joint of the tool post and the steel pipe post through the lateral vertical ladder.
6. The integrated construction device for the steel pipe column and the reinforcement cage according to claim 1, wherein: the outer diameter of the steel ring plate is smaller than the inner diameter of the steel casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220655326.8U CN217710839U (en) | 2022-03-24 | 2022-03-24 | Be used for steel-pipe column and steel reinforcement cage integration construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220655326.8U CN217710839U (en) | 2022-03-24 | 2022-03-24 | Be used for steel-pipe column and steel reinforcement cage integration construction equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217710839U true CN217710839U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220655326.8U Active CN217710839U (en) | 2022-03-24 | 2022-03-24 | Be used for steel-pipe column and steel reinforcement cage integration construction equipment |
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| Country | Link |
|---|---|
| CN (1) | CN217710839U (en) |
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2022
- 2022-03-24 CN CN202220655326.8U patent/CN217710839U/en active Active
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