CN210855047U - Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist - Google Patents
Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist Download PDFInfo
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- CN210855047U CN210855047U CN201921741503.9U CN201921741503U CN210855047U CN 210855047 U CN210855047 U CN 210855047U CN 201921741503 U CN201921741503 U CN 201921741503U CN 210855047 U CN210855047 U CN 210855047U
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- reverse construction
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Abstract
The utility model relates to a be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist, including the spacing installation component of taking the hoop piece, connect the spacing assembly seat that the bracket fills by the U-shaped, by the three horn shape cantilever assemblies in right angle that spacing installation arm, crane crossbeam and davit truss girder constitute, contain pendulum-type motor and steering gear's deflection drive accuse mechanism and be equipped with the electric hoist mechanism of lifting hook and pulley on. The whole elevator is fastened on the vertical supporting column of the soil taking opening in a hanging mode through the limiting installation assembly, the cantilever assembly is controlled to deflect as required, the electric elevator moves inside and outside and hangs up and down on the guide rail as required, the bottom material is lifted up and placed on the floor slab in a deflecting mode, the floor material is lifted up and then deflects and falls onto the floor slab through the soil taking opening, rapid and safe transfer of the material between floors in an underground narrow space is achieved, and the problem that the existing reverse construction method is not suitable for lifting machinery and is blocked in popularization and application is solved developmentally.
Description
Technical Field
The utility model relates to a capital construction facility technical field, especially a be suitable for in reverse construction method construction transmission floor between transmission material with, help improving transmission efficiency, alleviate positive negative zero-layer place service pressure and ensure construction safety and management's small-size swing arm formula electric lift.
Background
The reverse construction method is a new foundation pit construction technology which is published in recent years and is suitable for the construction of underground multi-layer structures of high-rise buildings, and is characterized in that a floor system structure, beams, plates, columns and outer walls of a basement are used as foundation pit retaining and foundation construction supporting structures, and the construction of a covered and excavated closed basement structure is carried out from top to bottom under the support of a horizontal supporting system and a retaining system in a pit. Because the construction can be carried out simultaneously without mutual interference with the superstructure of the high-rise building, the construction method has the advantages of high efficiency, social resource saving, environmental protection, shortening of the construction period of the building and the like, and the application is increasingly popularized. The basement structure construction mainly comprises the steps of firstly, pouring a first floor on a clean foundation ground level, and arranging a first floor soil taking opening on the first floor; then, underground excavation of a first-layer floor space through the first-layer plate soil taking opening, pouring of a first-layer floor, and forming of a first-layer plate soil taking opening on the first-layer floor; then, underground two-layer space is dug through a first-layer plate soil taking opening, and an underground two-layer floor is poured; and performing construction as required, or continuing to dig the lower-layer space after arranging the soil taking opening, or using the lower-layer space as the lowest-layer bottom plate of the underground building, and performing construction of basic facilities such as pile heads, elevator shafts and the like as required. During the construction, material transfer operations such as outward transportation of a large amount of excavated sandy soil, internal supply of construction materials, inter-transfer of materials among floors and the like need to be carried out in a narrow space defined by taking the soil taking port as a unique channel and the floor height, and the field operation difficulty is high. At present, although the reverse construction method shows a certain technical advantage and is gradually popularized, a plurality of new technical difficulties are yet to be explored and solved in the starting stage. Particularly, in the aspect of supporting facilities, at present, no lifting machine suitable for material transfer in a narrow space under the ground exists temporarily, so that the conventional ground construction is generally followed by using a conventional tower crane or truck crane for coping, and due to the large volume, smooth, unobstructed and rapid and safe material transfer operation between a positive zero-layer site and a negative zero-layer site and a bottommost operation surface layer site is difficult to perform in a narrow space with limited soil taking opening size and limited layer height, so that the resource utilization rate is low, the transfer efficiency is low, the field materials are seriously accumulated, the construction period is long, the construction cost is high, and potential safety hazards exist, so that the lifting machine is not ideal from the economic aspect. Therefore, the lack of suitable material lifting machinery has become a big difficulty in the popularization and application of the reverse construction method, so it is necessary to research and develop a small lifting device for efficiently, quickly and safely transferring materials between floors in a special environment suitable for the construction of the reverse construction method.
Disclosure of Invention
The utility model discloses an overcome and lack the not enough of being suitable for hoisting device in the construction of present reverse construction method, provide one kind can directly settle on the vertical support post of floor soil-taking mouth, help the material quick and safe transmission between the floor, be favorable to on-the-spot civilized construction management and ensure the high-efficient and high-quality small-size swing arm formula electric material lifting machine who constructs.
The utility model discloses a be suitable for transmission material between reverse construction method floor and use small-size swing arm formula electric hoist, the main part includes spacing installation component, spacing assembly seat, cantilever subassembly, the drive control mechanism that deflects, electric hoist mechanism, and the vertical support post of the fixed adapted spare of scene mouth that fetches earth, wherein:
the main body of the limiting installation component is formed by a pair of two sheets, the end parts of the two sheets are respectively provided with a buckle, the inner surface of the main body is fixedly provided with a rubber damping lining, and a hoop sheet which is formed by fastening an assembly bolt and locking the buckle and has an inner diameter matched with the outer diameter of the soil sampling port vertical supporting column in a ring shape in an assembling way is used as a filler;
the limiting assembly seat is formed by a U-shaped connecting bracket fixedly welded on one hoop sheet in the limiting installation component;
the cantilever assembly main body is in a right-angled triangle and consists of a limiting installation arm with a vertical short side serving as a main body, a crane beam with a horizontal long side serving as a main body and a suspension arm truss beam with a bevel side serving as a main body;
the limiting installation arm is cylindrical and movably arranged between the upper U-shaped connecting bracket and the lower U-shaped connecting bracket, and the outer surface of the cylinder wall of the limiting installation arm is fixedly welded with the tail ends of the crane beam and the suspension arm truss beam;
the crane beam is made of hot rolled I-shaped steel with the length of 4 meters, the front and rear grooves of the I-shaped steel serve as crane guide rails, an inner stop block is arranged at the position close to the inner part of the middle part of the I-shaped steel, and an outer stop block is arranged at the position close to the outer top end of the I-shaped steel;
the suspension arm truss beam is made of 40mm square tubes and comprises an oblique traction rod and a vertical supporting rod vertically welded between the oblique traction rod and the upper side face of the crane beam;
the deflection driving and controlling mechanism is meshed between the limiting mounting arm cylinder cavity and the U-shaped connecting bracket and comprises a 0.75KW cycloid needle type motor and a steering gear;
the electric lifting mechanism comprises an electric lifter, a movable pulley arranged above the electric lifter and a telescopic lifting hook arranged below the electric lifter;
the electric hoister is served by an electric crane with the vertical transportation height of 4 meters and the power selected according to the requirement;
in addition, the vertical supporting column can be filled by a supporting column of a reverse construction site; the hoop sheet main body is made by cutting a steel pipe;
when the device works, the limiting installation component is limited by the limiting installation arm, the hoop sheets are fastened on the vertical supporting column by fastening assembly bolts and are positioned on the column surface close to the upper floor, the cantilever component is in an outward suspension shape and is controlled by the deflection driving and controlling mechanism to deflect as required, the electric elevator is controlled to move within the range of the crane guide rail limited by the inner stop block and the outer stop block as required, so that the device can smoothly lift materials on the lower floor upwards, deflect through the soil taking port and transfer the materials to the floor of the floor as required, and can smoothly lift the materials on the floor of the floor and deflect the materials after being lifted and transfer the materials to the unfinished floor of the lower floor through the soil taking port as required, thereby solving the problem of material transfer between floors in a narrow space of reverse construction.
The small rotary arm type electric elevator is suitable for transferring materials between floors by a reverse construction method, is reasonably developed and successfully can be fixedly arranged on a vertical supporting column of a soil taking opening near the upper part of the floor according to special environmental conditions and functional requirements of deep foundation pit construction by the reverse construction method, can conveniently deflect and internally and externally shift, hoist or lower the materials to the floor of the floor or the floor of the unfinished floor without hindrance from the top down or from the bottom up to the floor of the floor, is suitable for transferring materials between the floors in a narrow space underground, realizes the aim of the utility model of efficiently, safely and quickly transferring the materials between the floors in the construction environment of the reverse construction method, has simple structure, scientific and reasonable structure, strong working applicability and low cost, and solves the problem that the prior reverse construction method lacks suitable material lifting machinery, the method has the advantages of overcoming the defects of long material transfer line between floors, low efficiency, serious material overstock on site, long construction period, high construction cost, potential safety hazard and the like, is a great innovation in reverse construction method construction facilities, provides basic guarantee for popularization and application of reverse construction methods, and has strong practicability and valuable market application prospect.
Drawings
Fig. 1 is a schematic diagram of the basic structure of the embodiment of the present invention;
fig. 2 is a schematic structural diagram of a limiting installation assembly in an embodiment of the present invention;
fig. 3 is a schematic diagram of an application of the embodiment of the present invention.
In the figure:
1. limiting installation assembly 11, buckle 12, damping lining 13 and fastening assembly bolt
14. Hoop sheet 2, limiting assembly seat 21, U-shaped connecting bracket 3, cantilever assembly 31, limiting installation arm 311, end installation groove 32, crane beam 321 and crane guide rail
322. Inner block 323, outer block 33, boom truss girder 331, slant traction rod
332. Vertical supporting rod 4, deflection driving and controlling mechanism 41, cycloid needle type motor 42 and steering gear
5. Electric lifting mechanism 51, electric lifter 52, movable pulley 53 and telescopic hook
6. Vertical supporting column of soil sampling port
Detailed Description
The invention will be further described with reference to the accompanying drawings and exemplary embodiments.
In fig. 1, fig. 2 and fig. 3, the utility model discloses a be suitable for transmission material between reverse construction method floor and use small-size swing arm formula electric hoist, the main part includes spacing installation component 1, spacing assembly seat 2, cantilever subassembly 3, the drive control mechanism 4 that deflects, electric hoist mechanism 5, and the vertical support post 6 of the opening of fetching earth of fixed adapted spare in site, wherein:
the main body of the limiting installation component 1 is composed of a pair of two pieces, buckle hoops 11 are respectively arranged on the end parts of the two pieces, a rubber damping lining 12 is fixedly arranged on the inner surface of the two pieces, and a hoop-shaped hoop piece 14 which is assembled to be matched with the outer diameter of the soil-taking-opening vertical supporting column 6 in the inner diameter formed after the buckle hoops 11 are locked by fastening assembly bolts 13 is used as a main body;
the limiting assembly seat 2 is formed by a U-shaped connecting bracket 21 fixedly welded on one hoop sheet 14 in the limiting installation component 1;
the main body of the cantilever assembly 3 is in a right triangle shape and consists of a limiting installation arm 31 with a vertical short side serving as a main body, a crane cross beam 32 with a horizontal long side serving as a main body and a cantilever truss beam 33 with a bevel side serving as a main body;
the limiting installation arm 31 is cylindrical and movably arranged between the upper U-shaped connecting bracket 21 and the lower U-shaped connecting bracket 21, and the outer surface of the cylinder wall of the limiting installation arm is fixedly welded with the tail ends of a crane beam 32 and a suspension arm truss beam 33;
the crane beam 32 is made of hot rolled I-shaped steel with the length of 3-5 meters, the front and rear grooves of the I-shaped steel serve as crane guide rails 321, an inner stop block 322 is arranged at the position close to the inner part of the middle part of the I-shaped steel, and an outer stop block 323 is arranged at the position close to the outer top end of the I-shaped steel;
the boom truss girder 33 is made of a 40mm square pipe and comprises a diagonal draw bar 331 and a vertical strut 332 vertically welded between the diagonal draw bar 331 and the upper side of the crane beam 32;
the deflection driving and controlling mechanism 4 is meshed between the cylinder cavity of the limiting mounting arm 31 and the U-shaped connecting bracket 21 and comprises a cycloidal needle type motor 41 and a steering gear 42;
the electric lifting mechanism 5 comprises an electric lifting machine 51, a movable pulley 52 arranged above the electric lifting machine 51 and a telescopic hook 53 arranged below the electric lifting machine 51;
the electric hoister 51 is an electric crane with vertical transport height of 3-5 m and power selected according to requirements;
in addition, the vertical supporting column 6 can be served by a supporting column or an adaptive vertical solid component of a reverse construction site; the main body of the hoop sheet 14 is made by cutting a steel pipe;
when the limiting installation component 1 works, the limiting installation arm 31 limits the limiting installation component, the hoop sheets 14 are fastened on the vertical supporting columns 6 on the cylindrical surface close to the upper floor through the fastening assembly bolts 13, the cantilever component 3 is in an outward suspension shape and is controlled by the deflection driving and controlling mechanism 4 to deflect as required, the electric elevator 51 is controlled to move in the range of the crane guide rail 321 limited by the inner stop block 322 and the outer stop block 323 as required, so that the lower-layer material can be lifted up and deflected smoothly and then deflected through the soil taking opening and placed on the floor of the floor as required, the material on the floor of the floor can be lifted up and deflected smoothly and then transferred through the soil taking opening and placed on the unfinished floor of the lower layer as required, and the problem of material transfer between floors in a narrow space constructed by a reverse construction method is solved.
Claims (2)
1. The utility model provides a be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist, its characterized in that main part includes spacing installation component (1), spacing assembly seat (2), cantilever subassembly (3), deflects and drives control mechanism (4), electric hoist mechanism (5) and the fixed adapted piece of scene is got native mouthful vertical supporting column (6), wherein:
the main body of the limiting installation component (1) is formed by a pair of two pieces, the end parts of the two pieces are respectively provided with a buckle hoop (11), the inner surface of the main body is fixedly provided with a damping lining (12), and a hoop sheet (14) which is formed by fastening an assembly bolt (13) and locking the buckle hoop (11) and has a circular inner diameter matched with the outer diameter of the soil-taking-opening vertical supporting column (6) in assembly;
the limiting assembly seat (2) is formed by a U-shaped connecting bracket (21) fixedly welded on one hoop sheet (14) in the limiting installation component (1);
the main body of the cantilever assembly (3) is in a right-angled triangle and consists of a limiting installation arm (31) with a vertical short side serving as a main body, a crane cross beam (32) with a horizontal long side serving as a main body and a suspension arm truss beam (33) with a bevel side serving as a main body;
the limiting mounting arm (31) is cylindrical and movably arranged between the upper U-shaped connecting bracket and the lower U-shaped connecting bracket (21), and the outer surface of the cylinder wall of the limiting mounting arm is fixedly welded with the tail ends of a crane beam (32) and a suspension arm truss beam (33);
the crane beam (32) is made of hot rolled I-shaped steel with the length of 3-5 meters, the front and rear grooves of the I-shaped steel serve as crane guide rails (321), an inner stop block (322) is arranged at the position close to the inner part of the middle part of the I-shaped steel, and an outer stop block (323) is arranged at the position close to the outer top end of the I-shaped steel;
the suspension arm truss girder (33) is made of 40mm square tubes and comprises an oblique traction rod (331) and a vertical strut (332) vertically welded between the oblique traction rod (331) and the upper side face of the crane crossbeam (32);
the deflection driving and controlling mechanism (4) is meshed between a cylinder cavity of the limiting mounting arm (31) and the U-shaped connecting bracket (21) and comprises a wired needle type motor (41) and a steering gear (42);
the electric lifting mechanism (5) comprises an electric lifting machine (51), a movable pulley (52) arranged above the electric lifting machine (51) and a telescopic hook (53) arranged below the electric lifting machine (51);
the electric hoist (51) is an electric crane with the vertical transportation height of 3-5 m and the power selected according to the requirement.
2. The small swing-arm electric hoist for transferring materials between floors according to the reverse construction method as claimed in claim 1, characterized in that the vertical support column (6) is filled by a support column or an adapted on-site vertical solid member provided near the corner of the soil-taking opening at the reverse construction site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741503.9U CN210855047U (en) | 2019-10-17 | 2019-10-17 | Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741503.9U CN210855047U (en) | 2019-10-17 | 2019-10-17 | Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist |
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| Publication Number | Publication Date |
|---|---|
| CN210855047U true CN210855047U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921741503.9U Expired - Fee Related CN210855047U (en) | 2019-10-17 | 2019-10-17 | Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210855047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606439A (en) * | 2019-10-17 | 2019-12-24 | 中铁建工集团有限公司 | Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist |
| CN110606435A (en) * | 2019-10-17 | 2019-12-24 | 中铁建工集团有限公司 | Be suitable for reverse construction method to get soil mouthful and pass suspension type electric hoist for material |
-
2019
- 2019-10-17 CN CN201921741503.9U patent/CN210855047U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606439A (en) * | 2019-10-17 | 2019-12-24 | 中铁建工集团有限公司 | Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist |
| CN110606435A (en) * | 2019-10-17 | 2019-12-24 | 中铁建工集团有限公司 | Be suitable for reverse construction method to get soil mouthful and pass suspension type electric hoist for material |
| CN110606435B (en) * | 2019-10-17 | 2024-05-14 | 中铁建工集团有限公司 | Suspension type electric hoist suitable for reverse construction method soil taking port transferring materials |
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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: 20200626 |