CN210315664U - Reverse construction method foundation pit rectangular lattice column positioning and verticality adjusting device - Google Patents
Reverse construction method foundation pit rectangular lattice column positioning and verticality adjusting device Download PDFInfo
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- CN210315664U CN210315664U CN201920728431.8U CN201920728431U CN210315664U CN 210315664 U CN210315664 U CN 210315664U CN 201920728431 U CN201920728431 U CN 201920728431U CN 210315664 U CN210315664 U CN 210315664U
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Abstract
The utility model relates to a positioning and verticality-adjusting device for rectangular latticed columns of foundation pits by a reverse construction method, which comprises a base provided with an engineering pile extending hole, a rigid frame body formed by interconnecting vertical upright rods, a transverse connecting rod and oblique connecting rod ends, wherein the bottom, the lower part and the upper part of the frame body are respectively provided with a bottom supporting and adjusting bracket capable of adjusting and limiting the verticality of the frame body and an upper and a lower positioning brackets capable of accurately adjusting the verticality of the latticed columns by means of the frame body, the top of the frame body is provided with an operating platform comprising an operating platform surface, a guard fence, a guard gate, a hopper bracket and a hopper, and the operating platform is convenient for safe and vertical concrete pouring, the pouring concrete is poured along with a pouring guide pipe on the axis position of the latticed columns, the impact disturbance to the latticed columns can not be generated, the positioning precision of the positioning and verticality-adjusting device can not be influenced, the construction is convenient and efficient, has strong practicability.
Description
Technical Field
The utility model relates to a foundation ditch engineering construction facility technical field, especially a reverse construction method foundation ditch rectangle lattice column location accent device that hangs down.
Background
With the development of building construction technology in China and the shortage of central urban land resources, urban buildings are developing towards super high-rise and deep foundation pits. In order to reasonably shorten the construction period of the deep foundation pit building, the reverse construction method is undoubtedly the best choice. The engineering pile and the lattice column are common vertical supporting members of the underground structure of the reverse construction method, and the lattice column can be used as a temporary vertical supporting member in the earth excavation process and a formal structural column during structural construction, so that the positioning requirements including plane position, direction, perpendicularity, elevation and the like are high. At present, the technology is mature and the effect is good in the aspect of lattice column positioning, but the defect is large in the aspect of constructability, and particularly in the pouring and tamping process of pumping concrete, the lattice column is easily disturbed, so that the final forming effect of an engineering pile and the construction quality of foundation pit engineering are influenced. Therefore, there is a need to develop a reliable position-limiting device that can ensure the reliable positioning of the lattice column during the process of receiving the poured concrete, avoid the disturbance influence and ensure the final forming effect of the corresponding engineering pile, so as to alleviate a big problem in the industry at present.
Disclosure of Invention
The utility model discloses an overcome not enough that exist among the prior art, provide one kind and help ensureing that the lattice column reliably fixes a position and correspond the device that hangs down of reverse construction method foundation ditch rectangle lattice column location of engineering stake final forming effect.
The utility model discloses a device that hangs down is transferred in reverse construction method foundation ditch rectangle lattice column location, characterized in that main part include base, support body, top operation platform, pedestrian's cat ladder, bottom supporting regulation support and transfer the support that hangs down, wherein:
the base is fixedly arranged on a foundation and filled by a site concrete pouring part or a prefabricated part, and the middle of the base is provided with an extension hole with the aperture slightly larger than the diameter of the corresponding engineering pile of the lattice column;
the frame body is in a firm rectangular frame shape and is formed by interconnecting a plurality of vertical upright rods, transverse connecting rods and oblique connecting rod ends, and comprises a square bottom frame, a square upper frame and a square top frame which are formed by interconnecting the transverse connecting rod ends, well-shaped brackets which are fixedly welded in enclosing frames of the square bottom frame, the square upper frame and the square top frame respectively, and lifting lugs which are welded on the left and right near ends of the front transverse connecting rod and the rear transverse connecting rod of the square top frame respectively; the vertical upright posts are fixedly welded between the square bottom frame and the square upper frame and between the square upper frame and the square top frame respectively, and the oblique connecting rod is fixedly arranged between every two adjacent vertical upright posts;
the inside of the enclosing frame of the square bottom frame is welded with the verticality adjusting bracket supported by the bracket shaped like a Chinese character 'jing', and the corner of the enclosing frame is fixedly provided with a limiting butt plate with a limiting hole and an assembling hole;
the square upper frame enclosing frame is internally welded with the verticality adjusting support supported by the bracket shaped like a Chinese character 'jing';
a firm operating platform surface formed by horizontally and vertically alternating steel pipes which are tiled and welded is arranged on the frame surface around the central hole of the bracket shaped like a Chinese character 'jing' in the square top frame;
the bottom of the top operating platform is filled by the operating platform surface, a guard fence and a guard door are arranged on a peripheral frame of the operating platform surface, and a hopper bracket and a hopper are arranged above a central hole of the 'Chinese character jing' -shaped bracket;
the pedestrian ladder is fixedly welded between the transverse connecting rods of the square top frame and the square bottom frame below the protective door gate;
the bottom supporting and adjusting bracket has the functions of supporting and limiting a bracket body and adjusting the setting angle and positioning of the bracket body, and mainly comprises a fixed support fixedly arranged on a base through anchor screws, a vertical adjusting rod arranged between the fixed support and four corners of the square bottom frame and an adjusting jack arranged between the base and a transverse connecting rod of the square bottom frame;
the verticality adjusting bracket has the functions of supporting and limiting and adjusting and fixing the lattice column at a vertical position, and mainly comprises a middle working hole with the aperture larger than the diameter of the lattice column, a regulating and controlling tray of a supporting strip block and a limiting and adjusting screw rod, a limiting and supporting connecting rod and a verticality adjusting jack which are fixedly arranged at the periphery of the regulating and controlling tray, wherein the verticality adjusting bracket is respectively welded and interconnected through the limiting and supporting connecting rod and is fixedly arranged in a surrounding frame which is internally provided with a 'well' -shaped bracket in a square bottom frame and a square upper frame to form a lower positioning bracket and an upper positioning bracket of a frame body; when the device works, firstly, a precast concrete base is cast or laid on a leveled and compacted ground base layer, then, the positioning and verticality adjusting device which is assembled and is provided with a bottom supporting and adjusting support is directionally limited and fixedly arranged on the base through a bottom fixing support by using an expansion screw, and then, the self positioning verticality of the frame body is accurately adjusted through a vertical adjusting rod; the lattice column is put into a frame body from the upper part of the positioning and verticality adjusting device through a center hole on a top operating platform by a crane, passes through a middle working hole on an upper positioning support and a lower positioning support of the frame body and a stretching hole on a base, partially stretches into an engineering pile setting position below the base, and partially limits the lattice column in the frame body; when the pile foundation concrete pouring device is used, the pile foundation concrete pouring guide pipe and the hopper are firstly placed, the hopper bracket is placed on the central hole to support the pouring guide pipe and the hopper, and the pouring guide pipe is upwards dismantled section by utilizing the hopper bracket in the concrete pouring process until the concrete pouring is completed.
The utility model relates to a positioning and verticality-adjusting device for rectangular latticed column of foundation pit by reverse construction method based on the above conception, because the frame body is composed of a plurality of vertical rods, transverse connecting rods and oblique connecting rod end rigid interconnection, the whole body is firm and durable, and can not be easily deformed by external interference, the bottom, lower part and upper part of the frame body are respectively provided with a bottom supporting and adjusting bracket with the function of adjusting and reliably limiting the self verticality of the frame body, an upper and lower positioning bracket with the function of accurately adjusting the vertical state of the spacing latticed column by means of the frame body, the top of the frame body is provided with an operation platform convenient for vertically pouring concrete, so that the pouring concrete is poured on the axis position of the latticed column along with the pouring guide pipe, the latticed column can not be disturbed by impact, the positioning precision of the positioning and verticality-adjusting device can not be influenced, therefore, the problem that the latticed column, thereby affecting the final forming effect of the engineering pile and the construction quality of the foundation pit engineering. The utility model discloses a device that hangs down is transferred in location simple structure and scientific and reasonable, it is quick and reliable to set up convenient and adjust the location, can ensure that the lattice column avoids the disturbance influence accepting the pouring concrete in-process, can bring construction convenience and high efficiency and ensure the positive effect of the final shaping quality of the engineering stake of pouring, has solved a long-term puzzlement industry's a big difficult problem conscientiously, is an innovation product in the aspect of foundation ditch construction facility, has very strong practicality and valuable market perspective.
Drawings
Fig. 1 is a schematic diagram of the general basic structure of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an operating state of the embodiment of the present invention;
FIG. 3 is a schematic view of an embodiment of the invention showing a structure of a droop-adjusting bracket;
FIG. 4 is a schematic structural view of a lower positioning bracket according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of an upper positioning bracket according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the top operation platform in the embodiment of the present invention.
In the figure:
1. base 11, extending hole 2, frame 21, vertical upright 22 and transverse connecting rod
23. Oblique connecting rod 24, square bottom frame 241, limiting hole 242 and assembling hole
243. Position limiting butt plate 25, square upper frame 26, square top frame 261, operation platform surface
30. Upper positioning support 3, top operating platform 31, guard fence 32 and guard door
33. Hopper bracket 34, hopper 4, pedestrian ladder 5, bottom supporting and adjusting support
51. Fixed support 52, vertical adjusting rod 53, leveling jack 6 and vertical adjusting support
61. Regulating and controlling tray 611, middle working hole 612, top supporting strip block 613, limit adjusting screw
62. Position-limiting support connecting rod 63, verticality-adjusting jack 7, lattice column 8, engineering pile 9 and blanking guide pipe
Detailed Description
The invention will be further described with reference to the accompanying drawings and exemplary embodiments.
In fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the utility model discloses a device that hangs down is adjusted in reverse construction method foundation ditch rectangle lattice column location, characterized in that main part includes base 1, support body 2, top operation platform 3, pedestrian's cat ladder 4, bottom support adjusting bracket 5 and the support 6 that hangs down of transferring, wherein:
the base 1 is fixedly arranged on a foundation and filled by a site concrete pouring part or a prefabricated part, and the middle part of the base is provided with an extension hole 11 with the diameter slightly larger than that of the corresponding engineering pile 8 of the lattice column 7;
the main body of the frame body 2 is in a firm rectangular frame shape and is formed by interconnecting a plurality of vertical upright rods 21, transverse connecting rods 22 and end parts of an oblique connecting rod 23, and comprises a square bottom frame 24, a square upper frame 25 and a square top frame 26 which are formed by interconnecting end parts of the transverse connecting rods 22, a 'well' -shaped bracket 27 which is fixedly welded in a surrounding frame of the square bottom frame 24, the square upper frame 25 and the square top frame 26 respectively, and lifting lugs 28 which are welded on left and right near end parts of the front transverse connecting rod 22 and the rear transverse connecting rod 22 of the square top frame 26 respectively; the vertical upright rods 21 are respectively fixedly welded between the square bottom frame 24 and the square upper frame 25 and between the square upper frame 25 and the square top frame 26, and the inclined connecting rod 23 is fixedly arranged between every two adjacent vertical upright rods 21;
the inner part of the enclosing frame of the square bottom frame 24 is welded with the verticality adjusting bracket 6 supported by the bracket 27 shaped like a Chinese character 'jing', and the corner of the enclosing frame is fixedly provided with a limiting butt plate 243 with a limiting hole 241 and an assembling hole 242;
the verticality adjusting support 6 supported by a bracket 27 shaped like a Chinese character 'jing' is welded in the surrounding frame of the square upper frame 25;
a firm operating platform surface 261 formed by horizontally laying and welding vertically and horizontally alternate steel pipes is arranged on the frame surface around the central hole 271 of the 'Chinese character jing' shaped bracket 27 in the square top frame 26;
the bottom of the top operating platform 3 is filled by the operating platform surface 261, a guard fence 31 and a guard door 32 are arranged on the peripheral frame of the operating platform surface 261, and a hopper bracket 33 and a hopper 34 are arranged above a central hole 271 of the 'shaft' -shaped bracket 27;
the pedestrian ladder 4 is fixedly welded between the square top frame 26 below the doorway of the protective door 32 and the transverse connecting rod 22 of the square bottom frame 24;
the bottom supporting and adjusting bracket 5 has the functions of supporting and limiting the frame body 2 and adjusting the setting angle and positioning of the frame body 2, and mainly comprises a fixed support 51 fixedly arranged on the base 1 through anchor screws, a vertical adjusting rod 52 arranged between the fixed support 51 and the four corners of the square bottom frame 24, and a leveling jack 53 arranged between the base 1 and the transverse connecting rod 22 of the square bottom frame 24;
the verticality adjusting support 6 has the functions of supporting, limiting and adjusting and fixing the lattice column 7 in the vertical position, and mainly comprises a middle working hole 611 with the aperture larger than the diameter of the lattice column 7, an adjusting and controlling tray 61 with a top supporting strip block 612 and a limiting and adjusting screw rod 613, a limiting and supporting connecting rod 62 and a verticality adjusting jack 63 which are fixedly arranged on the periphery of the adjusting and controlling tray 61, the verticality adjusting support 6 is respectively welded and interconnected through the limiting and supporting connecting rod 62 and fixedly arranged in a surrounding frame of a square bottom frame 24 and a square upper frame 25, wherein a 'well' -shaped bracket 27 is arranged in the surrounding frame, so that a lower positioning support 29 and an upper positioning support 30 of a frame body 2 are formed, the limiting and adjusting screw rod 613 and the verticality adjusting jack 63 drive the top supporting strip block 612 to move inwards and outwards to adjust, and the verticality adjusting and the fixing limiting of the lattice column extending in the;
when the device works, firstly, a precast concrete base 1 is cast or laid on a leveled and compacted foundation layer, then, the positioning and verticality adjusting device which is assembled and is provided with a bottom supporting and adjusting bracket 51 is directionally limited and fixedly arranged on the base 1 through a bottom fixing support 51 by using an expansion screw, and then, the self positioning verticality of the frame body 2 is accurately adjusted through a vertical adjusting rod 52; the lattice column 6 is put into the frame body from the upper part of the positioning and verticality adjusting device through a center hole 271 on the top operating platform 3 by a crane, passes through a middle working hole 611 on the upper and lower positioning supports of the frame body and an extension hole 11 on the base 1, partially extends into an engineering pile setting position below the base 1, is partially limited in the frame body 2, is primarily fixed after the elevation of the lattice column meets the design requirement by adopting a level gauge, then precisely adjusts the axial position and direction of the lattice column through a limiting adjusting screw 613 and a jack 63 on the lower positioning support, locks a limiting adjusting screw 613, precisely adjusts the verticality of the lattice column through a limiting adjusting screw 613 and a jack 63 on the upper positioning support, and finally locks the limiting adjusting screw 613 to complete the positioning and verticality adjusting work of the lattice column; when the pile foundation concrete pouring guide pipe 9 and the hopper 34 are used, the pile foundation concrete pouring guide pipe 9 and the hopper 34 are firstly put down, the hopper bracket 33 is placed on the central hole 271, the pouring guide pipe 9 and the hopper 34 are supported, and the pouring guide pipe 9 is upwards dismantled section by utilizing the hopper bracket 33 in the concrete pouring process until the concrete pouring is finished.
Claims (1)
1. The utility model provides a device that hangs down is transferred in reverse construction method foundation ditch rectangle lattice column location which characterized in that main part includes base (1), support body (2), top operation platform (3), pedestrian's cat ladder (4), bottom sprag adjust support (5) and transfer support (6) that hangs down, wherein:
the base (1) is fixedly arranged on a foundation and filled by a site concrete pouring part or a prefabricated part, and the middle of the base is provided with a stretching hole (11) with the diameter slightly larger than that of the corresponding engineering pile (8) of the lattice column (7);
the frame body (2) is in a firm rectangular frame shape and is formed by interconnecting a plurality of vertical upright rods (21), transverse connecting rods (22) and oblique connecting rods (23), and comprises a square bottom frame (24), a square upper frame (25) and a square top frame (26) which are formed by interconnecting the ends of the transverse connecting rods (22), a 'well' -shaped bracket (27) which is fixedly welded in the enclosing frame of the square bottom frame (24), the square upper frame (25) and the square top frame (26) respectively, and lifting lugs (28) which are welded on the left and right near ends of the front transverse connecting rods (22) and the rear transverse connecting rods (22) of the square top frame (26) respectively; the vertical upright posts (21) are respectively fixedly welded between the square bottom frame (24) and the square upper frame (25) and between the square upper frame (25) and the square top frame (26), and the oblique connecting rods (23) are fixedly arranged between every two adjacent vertical upright posts (21);
the inner part of the enclosing frame of the square bottom frame (24) is welded with the verticality adjusting bracket (6) supported by a bracket (27) shaped like a Chinese character 'jing', and the corner of the enclosing frame is fixedly provided with a limiting butt plate (243) with a limiting hole (241) and an assembling hole (242);
the verticality adjusting support (6) supported by a bracket (27) shaped like a Chinese character 'jing' is welded in the enclosing frame of the square upper frame (25);
a firm operating platform surface (261) formed by horizontally and vertically alternating steel pipes in a tiled and welded mode is arranged on the frame surface around a central hole (271) of the 'Chinese character' shaped bracket (27) in the square top frame (26);
the bottom of the top operating platform (3) is served by the operating platform surface (261), a guard fence (31) and a guard door (32) are arranged on a peripheral frame of the operating platform surface (261), and a hopper bracket (33) and a hopper (34) are arranged above a central hole (271) of the 'shaft' -shaped bracket (27);
the pedestrian ladder (4) is fixedly welded between the square top frame (26) below the doorway of the protective door (32) and the transverse connecting rod (22) of the square bottom frame (24);
the bottom supporting and adjusting bracket (5) mainly comprises a fixed support (51) fixedly arranged on the base (1) through anchor screws, a vertical adjusting rod (52) arranged between the fixed support (51) and the four corners of the square bottom frame (24), and an adjusting jack (53) arranged between the base (1) and the transverse connecting rod (22) of the square bottom frame (24);
the verticality adjusting support (6) mainly comprises a middle working hole (611) with the aperture larger than the column diameter of a lattice column (7), a top supporting strip block (612) and a regulating and controlling tray (61) of a limiting and adjusting screw rod (613), limiting and supporting connecting rods (62) and verticality adjusting jacks (63) are fixedly arranged on the periphery of the regulating and controlling tray (61), the verticality adjusting support (6) is respectively welded and interconnected through the limiting and supporting connecting rods (62) and is fixedly arranged in an enclosing frame of a square bottom frame (24) and a square upper frame (25) which are internally provided with a 'well' -shaped bracket (27), a lower positioning support (29) and an upper positioning support (30) of a frame body (2) are formed, and the verticality adjusting and fixing limiting of the lattice column extending in the middle working hole (611) are realized by driving the top supporting strip block (612) to move and adjust inwards and outwards through the limiting and verticality adjusting jacks (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728431.8U CN210315664U (en) | 2019-05-21 | 2019-05-21 | Reverse construction method foundation pit rectangular lattice column positioning and verticality adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728431.8U CN210315664U (en) | 2019-05-21 | 2019-05-21 | Reverse construction method foundation pit rectangular lattice column positioning and verticality adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN210315664U true CN210315664U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728431.8U Expired - Fee Related CN210315664U (en) | 2019-05-21 | 2019-05-21 | Reverse construction method foundation pit rectangular lattice column positioning and verticality adjusting device |
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| CN (1) | CN210315664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016938A (en) * | 2019-05-21 | 2019-07-16 | 中铁建工集团有限公司 | A kind of contrary sequence method foundation pit rectangle lattice column positioning and plumbing device |
| CN115125995A (en) * | 2022-06-13 | 2022-09-30 | 中电建南方建设投资有限公司 | Construction method for entrance and exit ring frame of assembled station |
-
2019
- 2019-05-21 CN CN201920728431.8U patent/CN210315664U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016938A (en) * | 2019-05-21 | 2019-07-16 | 中铁建工集团有限公司 | A kind of contrary sequence method foundation pit rectangle lattice column positioning and plumbing device |
| CN110016938B (en) * | 2019-05-21 | 2023-12-08 | 中铁建工集团有限公司 | Positioning and verticality adjusting device for rectangular lattice column of reverse construction method foundation pit |
| CN115125995A (en) * | 2022-06-13 | 2022-09-30 | 中电建南方建设投资有限公司 | Construction method for entrance and exit ring frame of assembled station |
| CN115125995B (en) * | 2022-06-13 | 2024-05-10 | 中电建南方建设投资有限公司 | Construction method for entrance and exit ring frames of assembled station |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |