CN108726358B - Batch hoisting device and method for main reinforcement of high-rise concrete structure - Google Patents
Batch hoisting device and method for main reinforcement of high-rise concrete structure Download PDFInfo
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- CN108726358B CN108726358B CN201810751490.7A CN201810751490A CN108726358B CN 108726358 B CN108726358 B CN 108726358B CN 201810751490 A CN201810751490 A CN 201810751490A CN 108726358 B CN108726358 B CN 108726358B
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
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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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
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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
- B66C1/62—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 comprising article-engaging members of a shape complementary to that of the articles to be handled
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- Engineering & Computer Science (AREA)
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a batch hoisting device and method for main bars of a high-rise concrete structure, wherein the batch hoisting device for the main bars of the high-rise concrete structure comprises a main framework, a lifting appliance and bar positioning frames, wherein the middle part of the main framework is provided with two hanging tables, the inner side edges of the two hanging tables are oppositely arranged, the hanging tables are provided with hanging table ear plates, the hanging table ear plates are hinged with the main framework, the lifting appliance comprises two groups of hanging arms, the two hanging arms are respectively used for driving the two hanging tables to rotate, so that the inner side edges of the two hanging tables are close to or far away from each other, the bar positioning frames are positioned at positions to be installed of bars and comprise limiting plates, the front side and the rear side of each limiting plate are respectively provided with a positioning plate and a positioning frame, and positioning grooves are formed between. According to the invention, the clamping and loosening of the steel bar group are realized through the self-weight of the main framework and the hanging table plate, the problems of difficult positioning and low efficiency in the steel bar hoisting process are solved, the hoisting method is simple, the use is flexible and effective, and the advantages of energy conservation and consumption reduction are also realized.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a batch hoisting device and method for main bars of a high-rise concrete structure.
Background
With the vigorous development of bridge construction, the bridge spanning capability and the bearing capability are larger and larger, and high-rise concrete structures such as bridge towers are more and more widely used in bridge engineering; the main reinforcement for high-altitude concrete construction generally adopts large-diameter straight thread sleeve connection, and the lengths of the large-diameter reinforcement bars of 6m and 9m are more and more common along with the increase of construction height and the gradual maturity of high-altitude creeping formwork construction technology and field control technology.
The method for installing the large-diameter overlong steel bar mainly comprises the following steps: firstly, hoisting equipment is adopted to be bundled and hoisted to a construction platform, and then two persons or even three persons are installed one by one on the construction platform manually, so that the construction efficiency is low, and a large amount of labor force is required; and the whole sections of concrete steel bars of the column body are spliced into a whole on the ground on the spot, and then the whole concrete steel bars are integrally installed by a large crane such as a truck crane or a crawler belt, the construction method is only suitable for pier column construction with lower height, and the hoisting load of the tower crane for high-altitude operation is generally about 10 tons, so that the standard section steel bars of the column body of hundreds of tons cannot be integrally hoisted frequently.
In order to improve the hoisting efficiency of the steel bars and give full play to the advantages of the tower crane, the invention provides a batch hoisting method of large-diameter steel bars for a high-rise concrete structure, which has the characteristics of simple process, quick construction, safety and the like, and is one of the construction methods which are high-efficiency, safe and feasible for hoisting the large-diameter steel bars of the high-rise concrete structure.
The invention aims to solve the technical problem of improving the installation efficiency of large-diameter steel bars of a high-rise concrete structure and provides a construction method.
Disclosure of Invention
The invention aims to solve the technical problem of the hoisting efficiency of the steel bar of the high-rise concrete structure.
In order to solve the technical problems, the technical scheme adopted by the invention is to provide a batch hoisting device for main reinforcements of a high-rise concrete structure, which comprises:
the middle of the main framework is provided with two hanging table plates, the inner side edges of the two hanging table plates are oppositely arranged, and the hanging table plates are provided with hanging table ear plates which are hinged with the main framework;
the lifting appliance comprises two groups of lifting arms which are respectively used for driving the two hanging bedplate to rotate so as to enable the inner side edges of the two hanging bedplate to be close to or far away from each other;
the reinforcing steel bar locating rack is located the position of waiting to install of reinforcing steel bar, and it includes the limiting plate, both sides are equipped with locating plate and locating rack respectively around the limiting plate, form the constant head tank between the locating plate.
In the scheme, the main framework is a rectangular frame with a hollow middle part, the hanging platform ear plate is arranged on the outer edge of the hanging platform plate, and a gap is formed between the hanging platform plate and the main framework.
In the scheme, the hanging table plate is driven to rotate by the suspension arm through the bracket, the bracket is hinged to the lower end of the suspension arm, the main framework is provided with the bracket seat, one end of the bracket is hinged to the bracket seat, and the other end of the bracket is provided with the bearing for bearing the hanging table plate.
In the above scheme, the middle of the bracket is provided with a groove, and the lower end of the suspension arm is positioned in the groove.
In the above scheme, the bracket seat is provided with a bracket stopping rail, and the bracket is provided with a bearing stopping rail adapted to the bracket stopping rail.
In the scheme, the inner side edge of the bedplate is provided with a notch for clamping a reinforcing steel bar.
In the above scheme, the lifting appliance further comprises a lifting beam, the lifting beam is hinged with the upper end of the lifting arm, and a lifting lug is arranged in the middle of the lifting beam.
In the scheme, the left side and the right side of the limiting plate are respectively provided with a supporting seat, and the supporting seats are obliquely provided with guide plates.
In the above scheme, the locating plate is the curved form of upwards buckling, the top surface of locating rack is higher than the upper surface of limiting plate.
The invention also provides a batch hoisting method for the main reinforcement of the high-rise concrete structure, which comprises the following steps:
s1, hoisting the main framework through the lifting appliance, enabling the main framework to be located above the steel bar support for placing the steel bar groups, lowering the main framework, and completing horizontal positioning of the main framework through a guide device on the steel bar support;
s2, in the process of placing the steel bar support under the main framework, the steel bar groups on the steel bar support prop the two hanging bedplate open; the hanging plates pass through the gap between the two hanging plates and are continuously lowered, so that the two hanging plates are closed under the action of self weight;
s3, slowly lifting the main framework to enable the two hanging platform boards to clamp the steel bar group tightly;
s4, moving the steel bar group to the upper part of the steel bar positioning frame, slowly lowering the main framework to enable each steel bar of the steel bar group to penetrate through the positioning groove on the positioning plate, continuously lowering the main framework to enable the bracket to drive the two hanging table plates to be opened, enabling the hanging table plates to give up support, and replacing the steel bar group to the steel bar positioning frame;
and S5, lifting the main framework to separate the main framework from the steel bar group.
Compared with the prior art, the invention can automatically enter and leave the groove of the large-diameter steel bar with the sleeve by the dead weight of the main framework and the hanging plate and the clamping and loosening of the steel bar group, can effectively accelerate the hoisting speed of the large-diameter overlength steel bar, reduces the hoisting process of the large-diameter steel bar, and solves the problems of difficult positioning and low efficiency in the hoisting process of the steel bar.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the main frame of the present invention;
FIG. 3 is a schematic structural view of a hitching stage plate according to the present invention;
FIG. 4 is a schematic view of the present invention showing the connection of the boom to the bracket;
FIG. 5 is a schematic view of the structure of the bracket of the present invention;
fig. 6 is a schematic structural view of a spreader according to the present invention;
FIG. 7 is a schematic view of the structure of the reinforcing bar positioning frame of the present invention;
FIG. 8 is a schematic view of the present invention hoisting a rebar set;
fig. 9 is a schematic view of the present invention placing rebar sets on a rebar locator.
Detailed Description
Aiming at the problems of the existing hoisting system, the invention solves the defects that the hoisting system needs to be repeatedly disassembled and assembled in use, is complicated in construction, has lower efficacy and cannot realize batch and quick hoisting of large-length steel bars. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 7, the invention provides a batch hoisting device for main bars of a high-rise concrete structure, which comprises a main frame 1, a lifting appliance 4 and a steel bar positioning frame 5. The middle part of the main framework 1 is provided with a hanging bedplate 2. According to the invention, the main framework 1 and the hanging bedplate 2 are driven by the lifting appliance 4 to lift the steel bar group, and the steel bar group is placed at a specified position by the steel bar positioning frame 5, so that the steel bar group can be lifted efficiently and quickly.
The main framework 1 comprises a main framework body 1-1, the main framework body 1-1 is a rectangular frame and comprises a frame, vertical plates are vertically arranged on the inner sides of the frame, and reinforcing ribs 1-5 are arranged between the vertical plates and the frame.
The hanging table plates 2 are arranged in two and are oppositely arranged at the inner side edges, each hanging table plate 2 comprises a hanging table plate main body 2-1, each hanging table plate main body 2-1 is rectangular, hanging table ear plates 2-2 are arranged on the hanging table plate main bodies 2-1, and the hanging table ear plates 2-2 are arranged at the outer side edges of the hanging table plate main bodies 2-1. The main framework 1 is provided with ear plates 1-2, the lug plates 2-2 of the hanging table are hinged with the ear plates 1-2, and the inner side edge of the main body 2-1 of the hanging table is provided with a notch 2-3 for clamping a reinforcing steel bar. The two hanging table plate main bodies 2-1 change the dead-against distance of the notches 2-3 on the two hanging table plate main bodies 2-1 by rotating around the hinge point, thereby realizing the clamping and loosening of the reinforcing steel bars.
The lifting appliance 4 comprises two groups of lifting arms 4-1, and the two groups of lifting arms 4-1 are respectively used for driving the two hanging bedplate plates 2 to rotate so as to enable the inner side edges of the two hanging bedplate plates 2 to be close to or far away from each other, thereby realizing the clamping and loosening of the reinforcing steel bars. The main framework 1 is a rectangular framework with a hollow middle part, and a gap is formed between the lug plate 2-2 of the hanging platform and the main framework 1 and is used for penetrating through the suspension arm 4-1 so as to enable the suspension arm 4-1 to move freely. The hanging table plate main body 2-1 is driven to rotate by the suspension arm 4-1 through the bracket 3, the bracket 3 is hinged with the lower end of the suspension arm 4-1, the main framework 1 is provided with a bracket seat 1-3, one end of the bracket 3 is hinged with the bracket seat 1-3, and the other end of the bracket 3 is provided with a support 3-1 for bearing the hanging table plate main body 2-1. Preferably, a first pin hole 3-4 and a second pin hole 3-5 are respectively arranged at one end and the middle part of the bracket 3, and the first pin hole 3-4 and the second pin hole 3-5 are respectively matched with a pin column to be hinged with the lower ends of the bracket seat 1-3 and the suspension arm 4-1. The middle part of the bracket 3 is provided with a groove 3-3 with an upward opening, and the lower end of the suspension arm 4-1 is positioned in the groove 3-3. Preferably, the bracket seat 1-3 is provided with a bracket stop rail 1-4, and the bracket 3 is provided with a bearing stop rail 3-2 matched with the bracket stop rail 1-4, so that the limiting effect is achieved, and the bracket 3 is prevented from being excessively rotated to cause unnecessary damage.
The lifting appliance 4 further comprises a lifting beam 4-2, the lifting beam 4-2 is hinged with the upper end of the lifting arm 4-1, and a lifting lug 4-3 is arranged in the middle of the lifting beam 4-2. Preferably, the hanging beam 4-2 is strip-shaped, the hanging arms 4-1 are 4, are respectively arranged at the four corners of the hanging beam 4-2, and are hinged with the hanging beam 4-2 through pins.
The steel bar positioning frame 5 is located at a position, to be installed, of a steel bar and used for being matched with the main framework 1, the hanging table plate 2, the bracket 3 and the lifting appliance 4 to achieve automatic steel bar unloading and placing the steel bar at an appointed position, the steel bar positioning frame 5 comprises a limiting plate, a positioning plate 5-4 and a positioning frame 5-1 are arranged on the front side and the rear side of the limiting plate respectively, a positioning groove 5-5 is formed between the positioning plates 5-4, and the positioning groove 5-5 is used for positioning a single steel bar.
The left side and the right side of the limiting plate are respectively provided with a supporting seat 5-3, the supporting seats 5-3 are obliquely provided with a guide plate 5-2, and the guide plates 5-2 are used for guiding the downward placement of the main framework 1 to realize quick in-place. The positioning plate 5-4 is bent upwards, and the top surface of the positioning frame 5-1 is higher than the upper surface of the limiting plate. After the main framework 1 is arranged on the steel bar positioning frame 5, the bracket 3 can be supported, so that the hanging bedplate 2 is turned downwards under the gravity action of the bracket 3, the lifting appliance 4 and the steel bar group, the hanging bedplate 2 is opened, and the steel bar group is released.
The working principle of the invention is as follows:
hoisting a steel bar group: when a crane lifts the main framework 1 and is positioned right above the steel bar support, slowly lowering the main framework 1, positioning through a guide device on the steel bar support, enabling the steel bar group to jack and penetrate the hanging bedplate 2, after the main framework 1 is lowered to a certain position, enabling a sleeve at the top of the steel bar to penetrate through the hanging bedplate 2, enabling the hanging bedplate 2 to recover to the original position under the action of self weight, clamping the steel bar by a notch 2-3 on the hanging bedplate 2, lifting the hanging bracket main framework 1, and lifting the steel bar group away from the steel bar support;
and (3) steel bar assembling and disassembling: the steel bar group is placed above the steel bar positioning frame 5 through the lifting appliance 4, the main framework 1 is slowly lowered, under the action of the guide plate 5-2 and the positioning frame 5-1, each steel bar of the steel bar group is embedded into the positioning groove 5-5, when the main framework 1 is lowered onto the supporting seat 5-3, the main framework 1 is continuously lowered through the lifting appliance 4 until the steel bar group cannot be lowered, at the moment, the bracket 3 is supported by the positioning plate 5-4 and the positioning frame 5-1, the hanging table plate 2 is suspended, the hanging table plate 2 is turned downwards under the action of the gravity of the steel bars and the hanging table plate 2, the hanging table plate 2 is opened, the steel bars are released, the main framework 1 is lifted upwards, the whole steel bar group can be replaced onto the positioning plate 5-4, and the main framework 1 is separated from the steel bar group so as to be lifted next.
As shown in fig. 8 to 9, the invention further provides a batch hoisting method for main bars of a high-rise concrete structure, which is used for realizing batch hoisting of the steel bars and comprises the following steps:
s1, hoisting the main framework through the lifting appliance, enabling the main framework to be located above the steel bar support for placing the steel bar groups, lowering the main framework, and completing horizontal positioning of the main framework through a guide device on the steel bar support;
s2, in the process of placing the steel bar support under the main framework, the steel bar groups on the steel bar support prop the two hanging bedplate open; the hanging plates pass through the gap between the two hanging plates and are continuously lowered, so that the two hanging plates are closed under the action of self weight;
s3, slowly lifting the main framework to enable the two hanging platform boards to clamp the steel bar group tightly;
s4, moving the steel bar group to the upper part of the steel bar positioning frame, slowly lowering the main framework to enable each steel bar of the steel bar group to penetrate through the positioning groove on the positioning plate, continuously lowering the main framework to enable the bracket to drive the two hanging table plates to be opened, enabling the hanging table plates to give up support, and replacing the steel bar group to the steel bar positioning frame;
and S5, lifting the main framework to separate the main framework from the steel bar group.
Compared with the prior art, the invention can automatically enter and leave the groove of the large-diameter steel bar with the sleeve by the dead weight of the main framework and the hanging plate and the clamping and loosening of the steel bar group, can effectively accelerate the hoisting speed of the large-diameter overlength steel bar, reduces the hoisting process of the large-diameter steel bar, and solves the problems of difficult positioning and low efficiency in the hoisting process of the steel bar.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
Claims (9)
1. The utility model provides a high concrete structure owner muscle is hoist device in batches which characterized in that includes:
the middle of the main framework is provided with two hanging table plates, the inner side edges of the two hanging table plates are oppositely arranged, and the hanging table plates are provided with hanging table ear plates which are hinged with the main framework;
the lifting appliance comprises two groups of lifting arms, wherein the two groups of lifting arms are respectively used for driving the two hanging table plates to rotate through brackets, so that the inner side edges of the two hanging table plates are close to or far away from each other, the brackets are hinged with the lower ends of the lifting arms, a bracket seat is arranged on the main framework, one end of each bracket is hinged with the corresponding bracket seat, and the other end of each bracket is provided with a bearing for bearing the corresponding hanging table plate;
the reinforcing bar locating rack is located the mounted position of treating of reinforcing bar, and it includes the limiting plate, both sides are equipped with locating plate and locating rack respectively around the limiting plate, form the constant head tank between the locating plate, the left and right sides of limiting plate is equipped with the supporting seat respectively, the slope is equipped with the deflector on the supporting seat.
2. The batch hoisting device for the main bars of the high-rise concrete structure as claimed in claim 1, wherein the main frame is a rectangular frame with a hollow middle part, the hanging platform ear plate is arranged at the outer edge of the hanging platform plate, and a gap is formed between the hanging platform plate and the main frame.
3. The batch hoisting device for the main reinforcement of the high-rise concrete structure as claimed in claim 1, wherein the bracket is provided with a groove at the middle part, and the lower end of the boom is positioned in the groove.
4. The device for batch hoisting of the main reinforcement of the high-rise concrete structure as claimed in claim 1, wherein the bracket seat is provided with a bracket stop rail, and the bracket is provided with a bearing stop rail adapted to the bracket stop rail.
5. The mass hoisting device of the main reinforcement of the high-rise concrete structure as claimed in claim 1, wherein the inside edge of the hanging plate is provided with a notch for clamping the reinforcement.
6. The batch hoisting device for the main reinforcement of the high-rise concrete structure as claimed in claim 1, wherein the lifting tool further comprises a lifting beam, the lifting beam is hinged with the upper end of the lifting arm, and a lifting lug is arranged in the middle of the lifting beam.
7. The batch hoisting device for the main reinforcement of the high-rise concrete structure as claimed in claim 1, wherein the left and right sides of the position-limiting plate are respectively provided with a support seat, and the support seats are provided with guide plates thereon.
8. The batch hoisting device for the main reinforcement of the high-rise concrete structure as claimed in claim 1, wherein the positioning plate is bent upwards, and the top surface of the positioning frame is higher than the upper surface of the limiting plate.
9. A method for batch hoisting of main reinforcement of a high-rise concrete structure, which is carried out by using the hoisting device as claimed in claim 1, and comprises the following steps:
s1, hoisting the main framework through the lifting appliance, enabling the main framework to be located above the steel bar positioning frame for placing the steel bar group, lowering the main framework, and completing horizontal positioning of the main framework through a guide device on the steel bar positioning frame;
s2, in the process of lowering the main framework, the steel bar group on the steel bar positioning frame jacks up the two hanging bedplate; the hanging plates pass through the gap between the two hanging plates and are continuously lowered, so that the two hanging plates are closed under the action of self weight;
s3, slowly lifting the main framework to enable the two hanging platform boards to clamp the steel bar group tightly;
s4, moving the steel bar group to the upper part of the steel bar positioning frame, slowly lowering the main framework to enable each steel bar of the steel bar group to penetrate through the positioning groove on the positioning plate, continuously lowering the main framework to enable the bracket to drive the two hanging table plates to be opened, enabling the hanging table plates to give up support, and replacing the steel bar group to the steel bar positioning frame;
and S5, lifting the main framework to separate the main framework from the steel bar group.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810751490.7A CN108726358B (en) | 2018-07-10 | 2018-07-10 | Batch hoisting device and method for main reinforcement of high-rise concrete structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810751490.7A CN108726358B (en) | 2018-07-10 | 2018-07-10 | Batch hoisting device and method for main reinforcement of high-rise concrete structure |
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| CN108726358A CN108726358A (en) | 2018-11-02 |
| CN108726358B true CN108726358B (en) | 2020-01-07 |
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| CN110329896A (en) * | 2019-08-14 | 2019-10-15 | 四川路桥华东建设有限责任公司 | The curtain hoisting structure and lift-on/lift-off system that square concrete pier stud main reinforcement quickly positions, installs |
| CN113235826B (en) * | 2021-05-19 | 2022-10-28 | 中建桥梁有限公司 | Steel bar wire connection installation positioning method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU925839A1 (en) * | 1980-08-25 | 1982-05-07 | Государственный Всесоюзный научно-исследовательский институт строительных материалов и конструкций им.П.П.Будникова | Gripper for piece loads |
| CN2537692Y (en) * | 2002-04-22 | 2003-02-26 | 张德生 | Multifunctional hanging tongs |
| CN202643100U (en) * | 2012-06-21 | 2013-01-02 | 中铁隧道装备制造有限公司 | Mechanical self-locking pipe sheet clamp |
| CN203474231U (en) * | 2013-08-08 | 2014-03-12 | 中交第二航务工程局有限公司 | Steel bar tower safety hoisting device |
| CN203545431U (en) * | 2013-11-27 | 2014-04-16 | 葛洲坝集团第五工程有限公司 | Device for vertically hoisting whole large-diameter rebar in high pier construction |
| CN105152006B (en) * | 2015-09-24 | 2017-05-03 | 太原高科锐志物流仓储设备有限公司 | Gravity-controlled opening and closing lifting appliance |
| CN205973440U (en) * | 2016-08-02 | 2017-02-22 | 威海银河风力发电有限公司 | Special lifting device of permanent magnet wind power generator main shaft tapered roller bearing |
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