CN219951970U - Pit cover digs section steel-pipe column installation positioner - Google Patents
Pit cover digs section steel-pipe column installation positioner Download PDFInfo
- Publication number
- CN219951970U CN219951970U CN202321166198.1U CN202321166198U CN219951970U CN 219951970 U CN219951970 U CN 219951970U CN 202321166198 U CN202321166198 U CN 202321166198U CN 219951970 U CN219951970 U CN 219951970U
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- steel pipe
- pipe column
- ring
- positioning
- column
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- 238000009434 installation Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 124
- 239000010959 steel Substances 0.000 claims abstract description 124
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000009412 basement excavation Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000004873 anchoring Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a device for installing and positioning a steel pipe column of a foundation pit cover excavation section, which comprises an orientation base station device, an orientation auxiliary device and a steel pipe column to be installed and positioned, wherein the orientation base station device comprises a guide table, a sliding mechanism and a lifting mechanism, the sliding mechanism is arranged on the guide table, and the steel pipe column is arranged on the sliding mechanism through the lifting mechanism and moves circumferentially on the guide table through the sliding mechanism; the orientation auxiliary device comprises a positioning ring, a positioning rope and a protective cylinder; the positioning ring comprises a steel pipe column ring, an anchor grommet and a ground surface ring, the installation positions of the steel pipe column ring and the anchor grommet are opposite, the installation positions of the anchor grommet and the ground surface ring form a vertical plane with the axis of the steel pipe column, the positioning rope is connected with the steel pipe column ring and sequentially penetrates through the anchor grommet and the ground surface ring, the column top elevation, the installation azimuth and the verticality of the steel pipe column are positioned through the device, the construction process is greatly reduced, and the installation of the steel pipe column can be rapidly realized.
Description
Technical Field
The utility model relates to the technical field of underground construction, in particular to a device for installing and positioning a steel pipe column of a foundation pit cover and excavation section
Background
The steel pipe column is one of the main parts of the enclosure structure when the subway station is covered and excavated, and is used as a fulcrum, the enclosure pile and the retaining wall, and the steel pipe column, the enclosure pile and the retaining wall are mutually combined and stressed together so as to achieve the effect of stabilizing the foundation pit, and the steel pipe column is required to be fixed before the foundation pit is excavated in the actual construction process, so that the safety of the subsequent foundation pit construction process is ensured, and the requirements on the top elevation, the perpendicularity and the installation azimuth of the steel pipe column are extremely high. If the perpendicularity or the installation azimuth of the steel pipe column deviates, the whole steel pipe column is inclined or the horizontal position of the steel pipe column changes, so that the positions of components such as steel pipe column brackets are staggered, and the whole stability of the open cut foundation pit retaining structure is affected. If the elevation control of the steel pipe column is problematic, the problem of later-stage structural construction connection is caused, and the stability of the supporting structure is affected.
Because the steel-pipe column installation needs to be installed in sections, the perpendicularity of each section of steel-pipe column is controlled in sequence, and the column top elevation and the installation azimuth of the steel-pipe column are uniformly adjusted after the steel-pipe column is in butt joint, the steel-pipe column sections are easy to have more procedures in the installation process, the problem of deviation frequently occurs, the subsequent positioning of the column top elevation and the installation azimuth are difficult, and therefore the installation cost is increased and the overall working efficiency is reduced.
Disclosure of Invention
The utility model provides a steel pipe column installation positioning device for a foundation pit cover digging section, which aims to solve the problems of difficulty in adjusting the top elevation and the installation azimuth of a column, low working efficiency and increased cost caused by the fact that the steel pipe column is easy to deviate due to complex installation procedures of sections.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the device comprises an orientation base station device, an orientation auxiliary device and a steel pipe column to be installed and positioned, wherein the orientation base station device is arranged around the steel pipe column and used for supporting the steel pipe column, and the orientation auxiliary device is connected with the steel pipe column;
the steel pipe column is arranged on the sliding mechanism through the lifting mechanism and moves circumferentially on the guide table through the sliding mechanism;
the orientation auxiliary device comprises at least three groups of positioning rings, at least three positioning ropes and a protective cylinder; each group of positioning rings comprises a steel pipe column ring, an anchor grommet and a ground surface ring, wherein the end part of the steel pipe column is arranged in the protective cylinder, the steel pipe column ring is connected with the outer wall of the steel pipe column, the anchor grommet is arranged on the inner wall of the protective cylinder, the ground surface ring is fixed at the position where the ground surface is connected with the end part of the protective cylinder, the mounting positions of the steel pipe column ring and the anchor grommet are opposite, the mounting positions of the anchor grommet and the ground surface ring and the axis of the steel pipe column form a vertical plane, one end of each positioning cable is connected with the steel pipe column ring and sequentially penetrates through the anchor grommet and the ground surface ring, and the other end of each positioning cable is arranged on the ground surface.
Further, the sliding mechanism comprises a circular groove, a plurality of rolling beads and at least three bearing platforms, wherein the circular groove is arranged on the end face of the guide table, and the plurality of rolling beads are uniformly arranged in the circular groove; the end face of each bearing platform is provided with a clamping groove, and the bearing platform slides on the rolling beads through the clamping grooves.
Further, the lifting mechanism is a jack, and the jack is arranged on the bearing platform and is abutted with steel pipe column brackets arranged on the side wall of the steel pipe column so as to support the steel pipe column.
Further, the positioning cable comprises a positioning cable marking section and a positioning cable rear section, the length of the positioning cable marking section is the length of a connecting line among the steel pipe column ring, the anchor cable ring and the ground surface ring, and the positioning cable rear section is arranged on the ground surface.
Further, the orientation auxiliary device further comprises an anchor rope, one end of the anchor rope penetrates through the inner wall of the casing and is anchored in the stratum, and the other end of the anchor rope is connected with the anchor rope ring.
Further, the orientation base device further comprises a plurality of base columns, and each base column comprises a column body, base column rib plates and a base; the column body is connected with the lower end face of the guide table, the base column rib plate is obliquely arranged between the side wall of the column body and the lower end face of the guide table, and the base is arranged at the end part of the column body.
The beneficial effects are that: when the steel pipe column is installed, the column top elevation and the installation azimuth of the steel pipe column are adjusted through the orientation base device, the orientation auxiliary device assists the orientation base device to accurately adjust the column top elevation, the installation azimuth and the verticality of the steel pipe column, the construction procedure is greatly reduced, the accurate installation of the whole steel pipe column can be rapidly completed, the efficiency of the installation work of the steel pipe column and the positioning accuracy are improved, the principle of the positioning device is simple and easy to understand, the number of constructors is greatly reduced, the orientation base device can be reused, and the construction cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic structural view of a steel pipe column installation positioning device for a foundation pit cover and excavation section in the present utility model;
FIG. 2 is a front view of an orientation base station apparatus of the present utility model;
FIG. 3 is a top view of an orientation abutment apparatus of the present utility model;
fig. 4 is a partial enlarged view at a in fig. 1.
In the figure: 1. an orientation base device; 11. a guide table; 12. a sliding mechanism; 121. a circular groove; 122. rolling the beads; 123. bearing platform; 13. a lifting mechanism; 14. a base column; 2. orientation auxiliary device; 21. a positioning rope; 211. positioning the cable marking section; 212. positioning the rear section of the cable; 22. a steel pipe column ring; 23. an anchor grommet; 24. a surface ring; 25. a protective barrel; 26. an anchor cable; 3. and (3) a steel pipe column.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides a foundation pit cover excavation section steel pipe column installation positioning device, which can position an integral steel pipe column 3 after the butt joint of each section steel pipe column is completed, and comprises an orientation base station device 1, an orientation auxiliary device 2 and a steel pipe column 3 to be installed and positioned, wherein the orientation base station device 1 is arranged around the steel pipe column 3 and used for supporting the steel pipe column 3, and the orientation auxiliary device 2 is connected with the steel pipe column 3;
specifically, the orientation base station device 1 comprises a guide table 11, a sliding mechanism 12 and a lifting mechanism 13, wherein the sliding mechanism 12 is arranged on the guide table 11, the steel pipe column 3 is arranged on the sliding mechanism 12 through the lifting mechanism 13, and the sliding mechanism 12 performs circumferential movement on the guide table 11, so that the orientation base station device 1 can be reused, and the construction cost is reduced.
Specifically, the orientation assisting apparatus 2 includes at least three sets of positioning rings, at least three positioning cables 21, and a casing 25; each group of positioning rings comprises a steel pipe column ring 22, an anchor rope ring 23 and a ground surface ring 24, the end part of the steel pipe column 3 is arranged in the protective cylinder 25, the steel pipe column ring 22 is connected with the outer wall of the steel pipe column 3, the anchor rope ring 23 is arranged on the inner wall of the protective cylinder 25, the ground surface ring 24 is fixed at the position where the ground surface is connected with the end part of the protective cylinder 25, the steel pipe column ring 22 is opposite to the installation position of the anchor rope ring 23, the installation positions of the anchor rope ring 23 and the ground surface ring 24 and the axis of the steel pipe column 3 form a vertical plane, one end of each positioning rope 21 is connected with the steel pipe column ring 22 and sequentially penetrates through the anchor rope ring 23 and the ground surface ring 24, and the other end of each positioning rope 21 is arranged on the ground surface. In this embodiment, according to the installation requirement, a section of steel pipe column near the ground surface is modified, and structures such as a steel pipe column ring 22 and a steel pipe column bracket are added.
Specifically, the orientation base station device 1 is of a hollow cylindrical structure, the orientation base station device 1 is placed on the ground surface of a dug steel pipe column foundation pit, after the positioning ring and the positioning rope 31 are arranged, one end of the steel pipe column 3 to be installed and positioned penetrates through the orientation base station device 1 to be inserted into the dug steel pipe column foundation pit, the other end of the steel pipe column is arranged on the orientation base station device 1, the installation azimuth of the steel pipe column 3 is adjusted through the sliding mechanism 12, the column top elevation of the steel pipe column 3 is adjusted through the lifting mechanism 13, and the installation azimuth, the column top elevation and the verticality of the steel pipe column 3 are accurately controlled in an auxiliary mode through the positioning ring and the positioning rope 31.
Specifically, as shown in fig. 3, the sliding mechanism 12 includes a circular groove 121, a plurality of rolling balls 122, and at least three bearing platforms 123, where the circular groove 121 is disposed on an end surface of the guide table 11, and the plurality of rolling balls 122 are uniformly disposed in the circular groove 121; a clamping groove is formed in the end face of each bearing platform 123, and the bearing platforms 123 slide on the rolling beads 122 through the clamping grooves.
Specifically, two circles of annular grooves 121 with the same circle center and different diameters are arranged on the guide table 11, a plurality of rolling beads 122 are uniformly arranged in the two circles of annular grooves 121, the rolling beads 122 can smoothly roll when being stuck together, the bearing platform 123 can continuously and smoothly roll on the rolling beads 122 through two clamping grooves, the direction of the steel pipe column 3 is adjusted by means of the sliding mechanism 12, labor is saved and convenience is achieved, and in the embodiment, the installation direction of the steel pipe column 3 is preferably adjusted by three bearing platforms 123.
Specifically, the lifting mechanism 13 is a jack, preferably, the number of the jacks is three, the jacks are arranged on the bearing platform 123 and are in butt joint with steel pipe column brackets arranged on the side wall of the steel pipe column 3 to support the steel pipe column 3, three evenly distributed steel pipe column brackets are arranged on the side wall of the steel pipe column 3 in the embodiment, the steel pipe column brackets are trapezoidal steel bodies with the thickness of 22mm, the steel pipe column brackets are welded to the steel pipe column 3, the position of the steel pipe column brackets is determined by the distance from the design elevation of the steel pipe column 3 to the directional base device 1, when the steel pipe column 3 is hoisted, the jack positioned above the bearing platform 123 is aligned with the position of the jack, the steel pipe column brackets are all placed on the jack after being aligned, and the column elevation of the steel pipe column 3 is adjusted conveniently and rapidly through the jack.
The positioning cable 21 comprises a positioning cable marking section 211 and a positioning cable rear section 212, the length of the positioning cable marking section 211 is the connecting line length among the steel pipe column ring 22, the anchor cable ring 23 and the ground surface ring 24, and the positioning cable rear section 212 is arranged on the ground surface.
Specifically, as shown in fig. 4, the steel pipe column ring 22, the anchor rope ring 23 and the earth surface ring 24 are sequentially connected through the positioning rope 21, after the steel pipe column 3 is positioned, the steel pipe column ring 22 is opposite to the installation position of the anchor rope ring 23, and the installation positions of the anchor rope ring 23 and the earth surface ring 24 and the axis of the steel pipe column 3 form a vertical plane, so that the length of the positioning rope mark section 211 can be calculated in advance, as shown in fig. 1, the length of the positioning rope mark section 211 is l=l3-l2+ (R2-R1), L3 is the elevation of the earth surface ring 24, L2 is the elevation of the anchor rope ring 23, R2 is the radius length of the protecting cylinder 25, R1 is the radius length of the steel pipe column 3, the mark distinguishing positioning rope mark section 211 is made on the positioning rope 21 according to the length of L, and the relative positions of each group of the steel pipe column ring 22, the anchor rope ring 23 and the earth surface ring 24 and the position of the positioning rope mark section 211 are pulled and observed in advance, and the vertical column positioning pile 3, and the vertical column positioning column is finished by using the bearing platform 123 and jack 3.
The orientation assisting apparatus 2 further comprises an anchor cable 26, one end of the anchor cable 26 penetrates through the inner wall of the casing 25 and is anchored in the stratum, and the other end is connected with the anchor grommet 23.
Specifically, as shown in fig. 1, anchor cable holes are formed in the inner wall of the casing 25, one end of each anchor cable 26 penetrates through the anchor cable holes and penetrates into the stratum to strengthen the whole installation structure, and the other end of each anchor cable 26 is used for installing an anchor grommet 23.
The orientation abutment device 1 further comprises a plurality of abutment posts 14, each abutment post 14 comprising a post body, an abutment post rib plate and a base; the column body is connected with the lower end face of the guide table 11, the base column rib plate is obliquely arranged between the side wall of the column body and the lower end face of the guide table 21, and the base is arranged at the end part of the column body.
Specifically, as shown in fig. 2, three base posts 14 uniformly distributed along the circumferential direction are provided in this embodiment and are used for supporting the guide table 11, so that not only can the steel pipe column 3 be stably supported, but also the influence of the horizontal degree of the ground on the directional base table device 1 is reduced, the positioning efficiency is affected, and only the ground smoothness of the base for placing the three base posts 14 is ensured and the same horizontal plane is required, and the installation efficiency is improved.
Specifically, the positioning steps in this embodiment are:
s1, selecting an anchoring position, wherein the specific anchoring position is selected according to the actual condition of the site, a horizontal plane is determined on the inner wall of the pile casing 25 at a position away from the ground surface, 3 anchoring positions are uniformly arranged on the horizontal plane along the inner wall of the pile casing 25, anchor cable holes are reserved on the inner wall of the pile casing 25 before anchoring, and anchor cables 26 are anchored on the inner wall of the pile casing 25 and driven into a stratum for a certain distance;
s2, determining the positions of the positioning rings, arranging an anchor rope ring 23 at one end of an anchor rope 26, which is close to the inner wall of the pile casing 25, and arranging a steel pipe column ring 22 and a ground surface ring 24 at corresponding elevations of the steel pipe column 3 according to the positions of the anchor rope ring 23;
s3, determining the length of the positioning rope marking section 211, enabling the positioning rope marking section 211 to sequentially pass through the positioning ring, and enabling the rear positioning rope section 212 to be manually controlled to be retracted and released;
s4, after all sections of the steel pipe column 3 are connected, the steel pipe column 3 is hung through a crane, steel pipe column brackets are placed on a jack, the installation azimuth of the steel pipe column 3 is adjusted through movement of a bearing platform 123, the column top elevation of the steel pipe column 3 is adjusted through the height of the jack, the column top elevation, the installation azimuth and the verticality of the steel pipe column 3 are adjusted through the positioning ring and the positioning rope 21 in an auxiliary mode through accurate control of the jack and the bearing platform 123, finally all groups of positioning rope mark sections 211 are just located at the position of a surface ring 24 in a straightening state, the lengths of the three groups of positioning rope mark sections 211 are equal to each other and are L, the verticality of the steel pipe column 3 is met at the moment, the column top elevation is L1, the positioning device is simple in principle and easy to understand, the number of constructors can be greatly reduced, and the applicability is strong.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. The device is characterized by comprising an orientation base station device (1), an orientation auxiliary device (2) and a steel pipe column (3) to be installed and positioned, wherein the orientation base station device (1) is arranged around the steel pipe column (3) and is used for supporting the steel pipe column (3), and the orientation auxiliary device (2) is connected with the steel pipe column (3);
the orientation base station device (1) comprises a guide table (11), a sliding mechanism (12) and a lifting mechanism (13), wherein the sliding mechanism (12) is arranged on the guide table (11), and the steel pipe column (3) is arranged on the sliding mechanism (12) through the lifting mechanism (13) and moves circumferentially on the guide table (11) through the sliding mechanism (12);
the orientation auxiliary device (2) comprises at least three groups of positioning rings, at least three positioning ropes (21) and a protective cylinder (25); each group of positioning rings comprises a steel pipe column ring (22), an anchor grommet (23) and a ground surface ring (24), wherein the end part of the steel pipe column (3) is arranged in the protective cylinder (25), the steel pipe column ring (22) is connected with the outer wall of the steel pipe column (3), the anchor grommet (23) is arranged on the inner wall of the protective cylinder (25), the ground surface ring (24) is fixed at the position where the ground surface is connected with the end part of the protective cylinder (25), the mounting positions of the steel pipe column ring (22) and the anchor grommet (23) are opposite, the mounting positions of the anchor grommet (23) and the ground surface ring (24) and the axis of the steel pipe column (3) form a vertical plane, one end of each positioning cable (21) is connected with the steel pipe column ring (22) and sequentially penetrates through the anchor grommet (23) and the ground surface ring (24), and the other end of each positioning cable (21) is arranged on the ground surface.
2. The foundation pit cover excavation section steel pipe column installation positioning device according to claim 1, wherein the sliding mechanism (12) comprises a circular groove (121), a plurality of rolling beads (122) and at least three bearing platforms (123), the circular groove (121) is arranged on the end face of the guide table (11), and the rolling beads (122) are uniformly arranged in the circular groove (121); the end face of each bearing platform (123) is provided with a clamping groove, and the bearing platforms (123) slide on the rolling beads (122) through the clamping grooves.
3. The foundation pit cover excavation section steel pipe column installation positioning device according to claim 2, wherein the lifting mechanism (13) is a jack, the jack is arranged on the bearing platform (123) and is abutted with a steel pipe column bracket arranged on the side wall of the steel pipe column (3) so as to support the steel pipe column (3).
4. The steel pipe column installation positioning device for the foundation pit cover digging section according to claim 1, wherein the positioning rope (21) comprises a positioning rope marking section (211) and a positioning rope rear section (212), the length of the positioning rope marking section (211) is the connecting line length among the steel pipe column ring (22), the anchor rope ring (23) and the earth surface ring (24), and the positioning rope rear section (212) is arranged on the earth surface.
5. The foundation pit cover excavation section steel pipe column installation positioning device according to claim 4, wherein the orientation assisting device (2) further comprises an anchor rope (26), one end of the anchor rope (26) penetrates through the inner wall of the casing (25) and is anchored in a stratum, and the other end of the anchor rope is connected with the anchor grommet (23).
6. The foundation pit cover excavation section steel pipe column installation positioning device according to claim 1, wherein the directional base device (1) further comprises a plurality of base columns (14), each base column (14) comprising a column body, a base column rib plate and a base; the column body is connected with the lower end face of the guide table (11), the base column rib plate is obliquely arranged between the side wall of the column body and the lower end face of the guide table (11), and the base is arranged at the end part of the column body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166198.1U CN219951970U (en) | 2023-05-15 | 2023-05-15 | Pit cover digs section steel-pipe column installation positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166198.1U CN219951970U (en) | 2023-05-15 | 2023-05-15 | Pit cover digs section steel-pipe column installation positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219951970U true CN219951970U (en) | 2023-11-03 |
Family
ID=88556665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321166198.1U Active CN219951970U (en) | 2023-05-15 | 2023-05-15 | Pit cover digs section steel-pipe column installation positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219951970U (en) |
-
2023
- 2023-05-15 CN CN202321166198.1U patent/CN219951970U/en active Active
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