CN110697564A - Hoisting device and hoisting method for precast concrete beam - Google Patents
Hoisting device and hoisting method for precast concrete beam Download PDFInfo
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- CN110697564A CN110697564A CN201911020051.XA CN201911020051A CN110697564A CN 110697564 A CN110697564 A CN 110697564A CN 201911020051 A CN201911020051 A CN 201911020051A CN 110697564 A CN110697564 A CN 110697564A
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- precast concrete
- steel wire
- concrete beam
- wire rope
- auxiliary
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 152
- 239000010959 steel Substances 0.000 claims abstract description 152
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 10
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a hoisting device and a hoisting method for a precast concrete beam, and relates to the technical field of hoisting of building components. The method aims at solving the problem of potential safety hazard in the existing hoisting method of the precast concrete beam. The top and the bottom of the steel beam are respectively provided with a main steel wire rope and a plurality of auxiliary steel wire ropes with equal length, the two ends of the main steel wire rope are respectively connected with the two lifting lugs at the top of the steel beam after penetrating through a lifting hook of the hoisting equipment, the plurality of auxiliary steel wire ropes with equal length are sequentially arranged along the length direction of the steel beam and connected between the steel beam and the precast concrete beam to be hoisted, and the plurality of auxiliary steel wire ropes with equal length enable the precast concrete beam to be stressed evenly, so that potential safety and quality hazards during.
Description
Technical Field
The invention relates to the technical field of building component hoisting, in particular to a hoisting device and a hoisting method for a precast concrete beam.
Background
In order to meet the national requirements on the assembly rate, the prefabrication rate and the green building of the building, in recent years, the overall assembly type frame structure has more and more buildings, and as the dead weight of the precast concrete beam is relatively large, the hoisting construction and the erection of the supporting formwork of the precast concrete beam have certain difficulty.
At present, the existing hoisting method of the precast concrete beam has the following defects:
firstly, the general length of the precast concrete beam is long, the hoisting points are often located at two ends of the precast concrete beam during hoisting, and the precast concrete beam may be distorted and deformed or even broken from the middle in the hoisting process, so that safety accidents are caused;
secondly, when the steel beam is used for hoisting the precast concrete beam, the length of the steel wire rope of each hoisting point of the precast concrete beam is often inconsistent due to inconsistent distances from the steel beam to the two ends of the precast concrete beam, so that the precast concrete beam is inclined in the hoisting process, and potential safety hazards exist.
Disclosure of Invention
Aiming at the problem of potential safety hazards in the existing hoisting method of the precast concrete beam, the invention aims to provide a hoisting device and a hoisting method of the precast concrete beam.
The technical scheme adopted by the invention for solving the technical problems is as follows: a hoisting device for a precast concrete beam comprises a steel beam, a main steel wire rope and a plurality of auxiliary steel wire ropes with equal length; the main steel wire rope penetrates through a lifting hook of the hoisting equipment, two ends of the main steel wire rope are respectively connected to the two lifting lugs at the top of the steel beam, and a plurality of auxiliary steel wire ropes with equal length are sequentially arranged along the length direction of the steel beam and connected between the steel beam and the precast concrete beam to be hoisted.
According to the hoisting device for the precast concrete beam, the top and the bottom of the steel beam are respectively provided with the main steel wire rope and the multiple auxiliary steel wire ropes with equal lengths, the two ends of the main steel wire rope penetrate through the lifting hook of the hoisting device and are respectively connected to the two lifting lugs at the top of the steel beam, the multiple auxiliary steel wire ropes with equal lengths are sequentially arranged along the length direction of the steel beam and are connected between the steel beam and the precast concrete beam to be hoisted, the multiple auxiliary steel wire ropes with equal lengths enable the precast concrete beam to be stressed evenly, the precast concrete beam cannot be twisted or even broken in the hoisting process, and potential safety and quality hazards in hoisting operation are.
Preferably, it further comprises: the steel beam comprises a steel beam body and is characterized in that the steel beam body is arranged in parallel in the length direction and fixedly connected with two limiting plates on two sides of the bottom of the steel beam body, a plurality of through holes corresponding in position are formed in the two limiting plates, the auxiliary steel wire rope penetrates through the through holes of the limiting plates, and two ends of the auxiliary steel wire rope are connected to the precast concrete beam to be hoisted respectively.
Preferably, the horizontal distance between the lifting point of the auxiliary steel wire rope on the limiting plate and the two lifting points of the two ends of the auxiliary steel wire rope on the precast concrete beam is equal.
Preferably, the through holes in the limiting plate are arranged at equal intervals.
Preferably, the through-hole on the limiting plate is connected with a first shackle, a second shackle is connected to the pre-buried rings of the precast concrete beam, and the auxiliary steel wire rope passes through the first shackle and the two ends of the auxiliary steel wire rope pass through the second shackle is connected to the precast concrete beam.
In addition, the invention also provides a hoisting method of the precast concrete beam, which comprises the following steps:
the hoisting device for installing the precast concrete beam comprises the following steps of firstly, confirming the intermediate position of two adjacent pre-buried hanging rings of the precast concrete beam, installing and tripping a first auxiliary steel wire rope on a through hole of a corresponding position on a steel beam limiting plate, arranging and sequentially connecting a plurality of auxiliary steel wire ropes with equal lengths in the length direction of the steel beam between the precast concrete beam and the steel beam, and enabling the auxiliary steel wire ropes to pass through the first auxiliary hanging rings, connecting two ends of the auxiliary steel wire ropes with the two adjacent pre-buried hanging rings of the precast concrete beam respectively to enable the auxiliary steel wire ropes to be connected with the steel beam and between the precast concrete beams, enabling a main steel wire rope to pass through a lifting hook of hoisting equipment, connecting two ends of the main steel wire rope with two lifting lugs of the steel beam respectively, and then hoisting the precast concrete.
According to the hoisting method of the precast concrete beam, a plurality of auxiliary steel wire ropes with equal length are sequentially arranged along the length direction of the steel beam and connected between the steel beam and the precast concrete beam, each auxiliary steel wire rope penetrates through the shackle I connected to the steel beam limiting plate, two ends of each auxiliary steel wire rope are respectively connected to the two adjacent embedded hanging rings of the precast concrete beam, each auxiliary steel wire rope is connected between the steel beam and the precast concrete beam in an included angle, and the auxiliary steel wire ropes can freely and flexibly slide on the shackles, so that the precast concrete beam can quickly reach a balanced state during hoisting, the safety of high-altitude hoisting construction is ensured, potential safety hazards are reduced, the precast concrete beam is convenient and quick to hoist, the site construction progress is not influenced, the construction cost is controlled, and the construction difficulty is reduced.
Drawings
Fig. 1 is a schematic structural view of an embodiment in which a precast concrete beam is hoisted by using the hoisting device for a precast concrete beam of the present invention.
The numbers in the figures are as follows:
prefabricating a concrete beam 1; embedding a hanging ring 2;
a hoisting device 10 for precast concrete beams; a steel beam 11; a limit plate 12; a through hole 14; a lifting lug 15; a main wire rope 16; an auxiliary wire rope 17; a first shackle 18; and a second shackle 19.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
A hoist apparatus 10 for a precast concrete beam according to the present invention is described with reference to fig. 1, and includes: a steel beam 11, a main steel wire rope 16 and a plurality of auxiliary steel wire ropes 17 with equal length; the main steel wire rope 16 passes through a lifting hook (not shown in the figure) of the hoisting equipment, two ends of the main steel wire rope 16 are respectively connected to the two lifting lugs 15 on the top of the steel beam 11, and the plurality of auxiliary steel wire ropes 17 with equal length are sequentially arranged along the length direction of the steel beam 11 and connected between the steel beam 11 and the precast concrete beam 1 to be hoisted.
According to the hoisting device 10 for the precast concrete beam, the top and the bottom of the steel beam 11 are respectively provided with the main steel wire rope 16 and the plurality of auxiliary steel wire ropes 17 with equal lengths, the main steel wire rope 16 penetrates through the lifting hook of the hoisting device, then two ends of the main steel wire rope 16 are respectively connected to the two lifting lugs 15 on the top of the steel beam 11, the plurality of auxiliary steel wire ropes 17 with equal lengths are sequentially arranged along the length direction of the steel beam 11 and are connected between the steel beam 11 and the precast concrete beam 1 to be hoisted, the plurality of auxiliary steel wire ropes 17 with equal lengths enable the precast concrete beam 1 to be stressed evenly, the precast concrete beam 1 cannot be twisted or even broken in the hoisting process, and potential safety.
Referring to fig. 1, the hoisting device 10 for the precast concrete beam of the present invention further includes two limiting plates 12 disposed in parallel along the length direction of the steel beam 11 and fixedly connected to two sides of the bottom of the steel beam 11, and a plurality of through holes 14 are disposed on the two limiting plates 12, in this embodiment, the two limiting plates 12 are fixedly connected to two sides of the bottom of the steel beam 11 in a preferred welding manner, the auxiliary steel wire ropes 17 disposed at included angles penetrate the through holes 14 of the limiting plates 12, two ends of the auxiliary steel wire ropes 17 are respectively connected to the precast concrete beam 1 to be hoisted, and by disposing the plurality of through holes 14 on the limiting plates 12, the plurality of auxiliary steel wire ropes 17 with equal length can be flexibly distributed between the steel beam 11 and the precast concrete beam 1 according to the actual size and the stress condition of the precast concrete beam.
Preferably, the horizontal distance between the lifting point of the auxiliary steel wire rope 17 located on the limiting plate 12 and the two lifting points of the auxiliary steel wire rope 17 located on the precast concrete beam 1 at two ends is equal, specifically, the two adjacent embedded hanging rings 2 on the precast concrete beam 1 are the two lifting points of the precast concrete beam 1, the through hole 14 of the steel beam 11 corresponding to the midpoint position of the two lifting points is the lifting point on the limiting plate 12, the horizontal distance between the through hole 14 and the two adjacent embedded hanging rings 2 is equal, and the two ends of the auxiliary steel wire rope 17 can be guaranteed to be stressed in a balanced manner.
The through holes 14 of the limiting plate 12 are arranged at equal intervals, so that the horizontal distance between the lifting points of the limiting plate 12 and the two lifting points of the precast concrete beam 1 can be conveniently controlled and adjusted. The pitch between two adjacent through holes 14 in this embodiment is preferably 0.3 m.
Preferably, the through hole 14 on the limiting plate 12 is connected with a first shackle 18, the embedded hoisting ring 2 of the precast concrete beam 1 is connected with a second shackle 19, and the auxiliary steel wire rope 17 passes through the first shackle 18 and two ends of the auxiliary steel wire rope are connected to the precast concrete beam 1 through the second shackle 19; specifically, the through holes 14 corresponding to the positions of the two limit plates 12 are respectively connected with a first shackle 18, the body of the first shackle 18 penetrates through the through holes 14 of the limit plates 12 and is locked by a bolt, the body of the second shackle 19 penetrates through the embedded hanging ring 2 and is locked by the bolt, and after the auxiliary steel wire rope 17 penetrates through the bodies of the first shackle 18, the two ends of the auxiliary steel wire rope respectively penetrate through the bodies of the second shackle 19 and are fixed; because the auxiliary steel wire ropes 17 are connected with the steel beam 11 and the precast concrete beam 1 through the shackles, the auxiliary steel wire ropes 17 can freely and flexibly slide on the shackles, so that the precast concrete beam 1 can quickly reach a balanced state when lifted, the safety of high-altitude lifting construction is ensured, and the loss of the auxiliary steel wire ropes 17 is reduced.
The hoisting method of the precast concrete beam of the present invention is described with reference to fig. 1, and specifically includes the following steps:
before the precast concrete beam 1 is hoisted, the hoisting device 10 of the precast concrete beam is installed, firstly, the middle positions of two adjacent embedded hoisting rings 2 of the precast concrete beam 1 are confirmed, a shackle 18 is installed on a through hole 14 at a corresponding position on a limiting plate 12 of a steel beam 11, a plurality of auxiliary steel wire ropes 17 with equal length are arranged along the length direction of the steel beam 11 and are sequentially connected between the precast concrete beam 1 and the steel beam 11, each auxiliary steel wire rope 17 penetrates through the shackle 18, two ends of each auxiliary steel wire rope 17 are respectively connected with the two adjacent embedded hoisting rings 2 of the precast concrete beam 1, each auxiliary steel wire rope 17 is connected between the steel beam 11 and the precast concrete beam 1 at an included angle, after a main steel wire rope 16 penetrates through a lifting hook of hoisting equipment, two ends of the main steel wire rope 16 are respectively connected with two lifting lugs 15 of the steel beam 11, and.
According to the hoisting method of the precast concrete beam, a plurality of auxiliary steel wire ropes 17 with equal length are sequentially arranged along the length direction of the steel beam 11 and connected between the steel beam 11 and the precast concrete beam 1, each auxiliary steel wire rope 17 penetrates through the shackle 18 connected to the limiting plate 12 of the steel beam 11, two ends of each auxiliary steel wire rope 17 are respectively connected to the two adjacent embedded hanging rings 2 of the precast concrete beam 1, so that each auxiliary steel wire rope 17 is connected between the steel beam 11 and the precast concrete beam 1 at an included angle, and the precast concrete beam 1 can quickly reach a balanced state during hoisting because the auxiliary steel wire ropes 17 can freely and flexibly slide on the shackles, so that the safety of high-altitude hoisting construction is ensured, potential safety hazards are reduced, the precast concrete beam 1 is convenient and quick to hoist, the site construction progress is not influenced, the construction cost is controlled, and the construction difficulty is.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (6)
1. A hoist device of precast concrete roof beam which characterized in that includes: the steel wire rope comprises a steel beam, a main steel wire rope and a plurality of auxiliary steel wire ropes with equal length; the main steel wire rope penetrates through a lifting hook of the hoisting equipment, two ends of the main steel wire rope are respectively connected to the two lifting lugs at the top of the steel beam, and a plurality of auxiliary steel wire ropes with equal length are sequentially arranged along the length direction of the steel beam and connected between the steel beam and the precast concrete beam to be hoisted.
2. The hoist apparatus of a precast concrete beam according to claim 1, further comprising: the steel beam comprises a steel beam body and is characterized in that the steel beam body is arranged in parallel in the length direction and fixedly connected with two limiting plates on two sides of the bottom of the steel beam body, a plurality of through holes corresponding in position are formed in the two limiting plates, the auxiliary steel wire rope penetrates through the through holes of the limiting plates, and two ends of the auxiliary steel wire rope are connected to the precast concrete beam to be hoisted respectively.
3. The hoist apparatus of a precast concrete beam according to claim 2, wherein: and the horizontal distance between the lifting point of the auxiliary steel wire rope on the limiting plate and the two lifting points of the two ends of the auxiliary steel wire rope on the precast concrete beam is equal.
4. The hoist apparatus of a precast concrete beam according to claim 2, wherein: and the through holes on the limiting plate are arranged at equal intervals.
5. The hoist apparatus of a precast concrete beam according to claim 2, wherein: the through hole on the limiting plate is connected with a first shackle, a second shackle is connected to the pre-buried rings of the precast concrete beam, and the auxiliary steel wire rope penetrates the first shackle and the two ends of the auxiliary steel wire rope are connected to the precast concrete beam through the second shackle.
6. A hoisting method of a precast concrete beam is characterized by comprising the following steps:
the hoisting device for installing the precast concrete beam according to any one of claims 1 to 5, first, confirming the middle position of two adjacent embedded hanging rings of the precast concrete beam, installing a first shackle on a through hole at a corresponding position on a steel beam limiting plate, arranging a plurality of auxiliary steel wire ropes with equal length along the length direction of the steel beam and sequentially connecting the auxiliary steel wire ropes between the precast concrete beam and the steel beam, wherein each auxiliary steel wire rope penetrates through the first shackle, two ends of each auxiliary steel wire rope are respectively connected with the two adjacent embedded hanging rings of the precast concrete beam, so that each auxiliary steel wire rope is connected between the steel beam and the precast concrete beam at an included angle, after a main steel wire rope penetrates through a lifting hook of hoisting equipment, two ends of the main steel wire rope are respectively connected with the two lifting lugs of the steel beam, and then hoisting the precast concrete beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020051.XA CN110697564A (en) | 2019-10-25 | 2019-10-25 | Hoisting device and hoisting method for precast concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020051.XA CN110697564A (en) | 2019-10-25 | 2019-10-25 | Hoisting device and hoisting method for precast concrete beam |
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| Publication Number | Publication Date |
|---|---|
| CN110697564A true CN110697564A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911020051.XA Pending CN110697564A (en) | 2019-10-25 | 2019-10-25 | Hoisting device and hoisting method for precast concrete beam |
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| CN (1) | CN110697564A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635363A (en) * | 2022-03-23 | 2022-06-17 | 保利长大工程有限公司 | I-beam height hoisting installation method |
| CN118206031A (en) * | 2024-05-22 | 2024-06-18 | 南通玺施新型建筑材料科技有限公司 | Concrete prefabricated member lifting device with multipoint fixing function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202429868U (en) * | 2012-01-16 | 2012-09-12 | 中国建筑一局(集团)有限公司 | Novel hoisting and positioning device for prefabricated part |
| JP2017105627A (en) * | 2015-12-02 | 2017-06-15 | 戸田建設株式会社 | Suspended load swing control method |
| CN209396758U (en) * | 2018-12-14 | 2019-09-17 | 陕西凝远新材料科技股份有限公司 | A kind of self-balance sling for multiple spot lifting precast concrete thin plate |
| CN211283412U (en) * | 2019-10-25 | 2020-08-18 | 上海建工七建集团有限公司 | Hoisting device for precast concrete beam |
-
2019
- 2019-10-25 CN CN201911020051.XA patent/CN110697564A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202429868U (en) * | 2012-01-16 | 2012-09-12 | 中国建筑一局(集团)有限公司 | Novel hoisting and positioning device for prefabricated part |
| JP2017105627A (en) * | 2015-12-02 | 2017-06-15 | 戸田建設株式会社 | Suspended load swing control method |
| CN209396758U (en) * | 2018-12-14 | 2019-09-17 | 陕西凝远新材料科技股份有限公司 | A kind of self-balance sling for multiple spot lifting precast concrete thin plate |
| CN211283412U (en) * | 2019-10-25 | 2020-08-18 | 上海建工七建集团有限公司 | Hoisting device for precast concrete beam |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635363A (en) * | 2022-03-23 | 2022-06-17 | 保利长大工程有限公司 | I-beam height hoisting installation method |
| CN118206031A (en) * | 2024-05-22 | 2024-06-18 | 南通玺施新型建筑材料科技有限公司 | Concrete prefabricated member lifting device with multipoint fixing function |
| CN118206031B (en) * | 2024-05-22 | 2024-10-18 | 南通玺施新型建筑材料科技有限公司 | Concrete prefabricated member lifting device with multipoint fixing function |
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