CN107989197B - Side bending resistance device of jacking formwork and implementation method - Google Patents
Side bending resistance device of jacking formwork and implementation method Download PDFInfo
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- CN107989197B CN107989197B CN201711274727.9A CN201711274727A CN107989197B CN 107989197 B CN107989197 B CN 107989197B CN 201711274727 A CN201711274727 A CN 201711274727A CN 107989197 B CN107989197 B CN 107989197B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
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Abstract
The invention provides a side bending resistance device of a jacking mould frame, which is formed by sequentially connecting a plurality of side bending resistance units, wherein adjacent side bending resistance units are connected to form a quadrilateral structure capable of moving along the vertical direction, and adjacent side bending resistance units are connected to form a cylindrical structure in the horizontal direction; the side resisting unit positioned at the uppermost part is connected with the bottom of the upper support frame, and the side resisting unit positioned at the lowermost part is connected with the upper part of the lower support frame. According to the invention, the vertical side resisting unit which can freely move and has no movement in the horizontal direction and the bending moment direction is arranged between the upper support frame and the lower support frame of the jacking mould frame, so that the horizontal force and the bending moment can be effectively resisted, the displacement of the mould frame in the jacking process is reduced, and the safety of the mould frame is improved; meanwhile, the horizontal force and bending moment born by the jacking oil cylinder can be reduced, the design of the oil cylinder is favorably improved, the damage of the oil cylinder in abnormal use is avoided, the cost is saved, and the safety is ensured.
Description
Technical Field
The invention belongs to the field of super high-rise building construction, and particularly relates to a side bending resistance device of a jacking formwork and an implementation method.
Background
The existing super high-rise building usually uses a jacking formwork system for the construction of a core barrel, wherein a top formwork needs to be jacked up once. Because the load of the top die is huge, the vertical force, the horizontal force and the bending moment transmitted by the upright post are jointly born by the upper and lower support frames during normal operation, and the top die is relatively very safe. During jacking operation, the oil cylinder jacks an upper supporting frame, an upright post, a steel platform and the like to move upwards, all loads need to be transmitted to a lower supporting frame through the oil cylinder at the moment, due to the influence of wind load and eccentric stress, the oil cylinder needs to bear large horizontal force and bending moment, the bearing safety of the oil cylinder is greatly threatened, according to field experience, the oil cylinder often generates 'squeaking' and makes a sound, a sealing ring is damaged and the like, the whole top die platform is greatly potential safety hazard, and once an accident occurs, the caused loss can not be estimated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the side bending resistance device for the jacking formwork and the implementation method can reduce the displacement of the formwork in the jacking process and improve the safety of the formwork.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an anti side bending resistance device of jacking die carrier, jacking die carrier include upper bracket, lower carriage and jacking cylinder, and jacking cylinder's side direction is fixed with the lower carriage, and upper bracket fixes at jacking cylinder's top, its characterized in that: the device is formed by connecting a plurality of anti-side units in sequence, adjacent anti-side units are connected to form a quadrilateral structure capable of moving along the vertical direction, and adjacent anti-side units are connected in the horizontal direction to form a cylindrical structure; the side resisting unit positioned at the uppermost part is connected with the bottom of the upper support frame, and the side resisting unit positioned at the lowermost part is connected with the upper part of the lower support frame.
According to the scheme, the side resisting unit comprises high-strength plates, discontinuous pin lugs fixed on two sides of the high-strength plates and long rod pins used for connecting two adjacent high-strength plates, wherein the long rod pins penetrate through the discontinuous pin lugs; the quadrilateral structure is composed of four high-strength plates and 4 long rod pins, and adjacent quadrilateral structures share one long rod pin; the long rod pin positioned at the uppermost part is fixedly connected with the bottom of the upper support frame, and the long rod pin positioned at the lowermost part is fixedly connected with the upper part of the lower support frame.
According to the scheme, the device is n in number and is circumferentially and uniformly distributed around the jacking oil cylinder; n is an integer multiple of 2.
According to the scheme, the high-strength plate is a high-strength steel plate, a high-strength aluminum plate or a carbon fiber plate.
According to the scheme, the anti-side unit comprises high-strength section steel, a pin shaft connecting piece arranged in the middle of the high-strength section steel and a pin shaft, and the pin shaft is connected with the pin shaft connecting piece to enable the two pieces of high-strength section steel to be connected into an X shape; the end part of the high-strength profile steel is provided with a discontinuous pin lug, and adjacent anti-side units are connected by a long rod pin penetrating through the discontinuous pin lug, so that the quadrilateral structure is formed;
one end of the top of the side resisting unit positioned at the uppermost part is fixed at the bottom of the upper support frame through a long shaft pin, the other end of the top of the side resisting unit positioned at the uppermost part is in sliding connection at the bottom of the upper support frame through a sliding mechanism, and the sliding direction is a connecting line between two ends of the top of the side resisting unit positioned at the uppermost part;
the connection mode of the two ends of the bottom of the side resisting unit positioned at the lowest part and the upper part of the lower support frame is the same as the connection mode of the two ends of the top of the side resisting unit positioned at the highest part and the bottom of the upper support frame.
According to the scheme, the device comprises n pieces of lifting oil cylinders which are circumferentially and uniformly distributed around the lifting oil cylinder; n is an integer multiple of 2.
The implementation method of the side bending resistance device of the jacking formwork is characterized in that: it comprises the following steps:
s1, determining the number of the anti-side units according to the maximum jacking height and the minimum jacking height of the jacking formwork, and splicing the anti-side units into a whole;
s2, uniformly distributing the side bending resistant devices of the jacking mould frame along the circumferential direction of the jacking oil cylinder, and completing installation;
and S3, when the jacking formwork jacks, the jacking oil cylinder jacks gradually, the anti-side unit freely moves in the vertical direction due to the vertical flexibility, and the horizontal direction and the bending moment direction have rigidity for resisting horizontal force and bending moment.
The utility model provides a jacking die carrier with anti side bending resistance function, it includes upper bracket, lower carriage and jacking cylinder, and jacking cylinder's side direction is fixed with the lower carriage, and upper bracket fixes at jacking cylinder's top, its characterized in that: the jacking mould frame also comprises an anti-side bending device of the jacking mould frame.
The invention has the beneficial effects that: the side resisting unit which can freely move vertically and has no movement in the horizontal direction and the bending moment direction is arranged between the upper support frame and the lower support frame of the jacking mould frame, so that the horizontal force and the bending moment can be effectively resisted, the displacement of the mould frame in the jacking process is reduced, and the safety of the mould frame is improved; meanwhile, the horizontal force and bending moment born by the jacking oil cylinder can be reduced, the design of the oil cylinder is favorably improved, the damage of the oil cylinder in abnormal use is avoided, the cost is saved, and the safety is ensured.
Drawings
Fig. 1 is a schematic structural diagram before jacking according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the lifted structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the present invention before jacking.
Fig. 4 is a schematic structural diagram after jacking according to another embodiment of the present invention.
In the figure: 1-upper supporting frame, 2-lower supporting frame, 3-jacking oil cylinder, 4-chain type anti-side unit, 4-1-high-strength plate, 4-2-long rod pin, 5-base, 6-X-shaped anti-side unit, 6-1-high-strength profile steel, 6-2-pin shaft, 6-3-long rod pin and 7-sliding mechanism.
Detailed Description
The invention is further illustrated by the following specific examples and figures.
The first embodiment is as follows:
the invention provides a side bending resistance device of a jacking mould frame, as shown in figures 1 and 2, the jacking mould frame comprises an upper support frame 1, a lower support frame 2 and a jacking oil cylinder 3, the side direction of the jacking oil cylinder 3 is fixed with the lower support frame 2, the upper support frame 1 is fixed at the top of the jacking oil cylinder 3, the device is formed by sequentially connecting a plurality of side resisting units, adjacent side resisting units are connected to form a quadrilateral structure capable of moving along the vertical direction, and the adjacent side resisting units are connected to form a cylindrical structure in the horizontal direction; the side resisting unit positioned at the uppermost part is connected with the bottom of the upper support frame 1, and the side resisting unit positioned at the lowermost part is connected with the upper part of the lower support frame 2.
The lateral resisting unit is a chain type lateral resisting unit 4, the lateral resisting unit comprises high-strength plates 4-1, discontinuous pin lugs fixed on two sides of the high-strength plates 4-1 and long rod pins 4-2 used for connecting two adjacent high-strength plates 4-1, and the long rod pins 4-2 penetrate through the discontinuous pin lugs; the quadrilateral structure consists of four high-strength plates 4-1 and 4 long rod pins 4-2, and adjacent quadrilateral structures share one long rod pin 4-2; the long rod pin 4-2 at the uppermost part is fixedly connected with the bottom of the upper support frame 1, and the long rod pin 4-2 at the lowermost part is fixedly connected with the upper part of the lower support frame 2. In this embodiment, the bottom of the upper support frame 1 is further provided with a base 5 for connecting with the anti-side unit.
The device is n in number and is circumferentially and uniformly distributed around the jacking oil cylinder; n is an integer multiple of 2, and n is an even number of 100 or less, and 4 are selected in the present embodiment.
Preferably, the high-strength plate 4-1 is a high-strength steel plate, a high-strength aluminum plate or a carbon fiber plate.
The implementation method of the side bending resistance device of the jacking formwork comprises the following steps:
s1, determining the number of the anti-side units according to the maximum jacking height and the minimum jacking height of the jacking formwork, and splicing the anti-side units into a whole;
s2, uniformly distributing the side bending resistance devices of the jacking mould frame along the circumferential direction of the jacking oil cylinder 3, and completing installation;
and S3, when the jacking formwork jacks, the jacking oil cylinder 3 jacks gradually, the anti-side unit freely moves in the vertical direction due to the vertical flexibility, and the horizontal direction and the bending moment direction have rigidity for resisting horizontal force and bending moment.
The embodiment also provides a jacking formwork with anti side bending resistance function, and it includes upper support frame 1, lower support frame 2 and jacking cylinder 3, and jacking cylinder 3's side direction is fixed with lower support frame 2, and upper support frame 1 is fixed at jacking cylinder 3's top, still includes anti side bending resistance device of jacking formwork.
Example two:
as shown in fig. 3 and 4, in the embodiment, the jacking formwork comprises an upper support frame 1, a lower support frame 2 and a jacking cylinder 3, the lateral direction of the jacking cylinder 3 is fixed with the lower support frame 2, the upper support frame 1 is fixed at the top of the jacking cylinder 3, the device is formed by sequentially connecting a plurality of anti-side units, adjacent anti-side units are connected to form a quadrilateral structure capable of moving along the vertical direction, and adjacent anti-side units are connected to form a cylindrical structure in the horizontal direction; the side resisting unit positioned at the uppermost part is connected with the bottom of the upper support frame 1, and the side resisting unit positioned at the lowermost part is connected with the upper part of the lower support frame 2.
The side resisting unit is an X-shaped side resisting unit 6, the side resisting unit comprises high-strength steel 6-1, a pin shaft connecting piece arranged in the middle of the high-strength steel 6-1 and a pin shaft 6-2, and the pin shaft 6-2 is connected with the pin shaft connecting piece to enable the two pieces of high-strength steel 6-1 to be connected into an X shape; the end part of the high-strength steel 6-1 is provided with a discontinuous pin lug, and adjacent anti-side units are connected through the discontinuous pin lug by a long rod pin 6-3, so that the quadrilateral structure is formed.
One end of the top of the side resisting unit positioned at the uppermost part is fixed at the bottom of the upper support frame 1 through a long shaft pin 6-3, the other end of the top of the side resisting unit positioned at the uppermost part is connected with the bottom of the upper support frame 1 in a sliding mode through a sliding mechanism 7, and the sliding direction is a connecting line between two ends of the top of the side resisting unit positioned at the uppermost part.
The connection mode of the two ends of the bottom of the side resisting unit positioned at the lowest part and the upper part of the lower support frame 2 is the same as the connection mode of the two ends of the top of the side resisting unit positioned at the highest part and the bottom of the upper support frame 1.
According to the scheme, the device comprises n pieces of lifting oil cylinders which are circumferentially and uniformly distributed around the lifting oil cylinder; n is an integer multiple of 2, and n is an even number of 100 or less.
The content and principle of the implementation method of the embodiment are the same as those of the first embodiment.
The device is used in the jacking mould frame, so that the horizontal force and the bending moment can be effectively resisted, the oil cylinder is prevented from bearing overlarge horizontal force and bending moment, the device is simple and reliable, the durability is good, the installation and implementation are convenient, and the number of the anti-side units can be adjusted according to the maximum jacking height and the minimum jacking height in actual conditions.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides an anti side bending resistance device of jacking die carrier, jacking die carrier include upper bracket, lower carriage and jacking cylinder, and jacking cylinder's side direction is fixed with the lower carriage, and upper bracket fixes at jacking cylinder's top, its characterized in that: the device is formed by connecting a plurality of anti-side units in sequence, adjacent anti-side units are connected to form a quadrilateral structure capable of moving along the vertical direction, and adjacent anti-side units are connected in the horizontal direction to form a cylindrical structure; the side resisting unit positioned at the uppermost part is connected with the bottom of the upper support frame, and the side resisting unit positioned at the lowermost part is connected with the upper part of the lower support frame;
the side resisting unit comprises high-strength plates, discontinuous pin lugs fixed on two sides of the high-strength plates and long rod pins used for connecting two adjacent high-strength plates, and the long rod pins penetrate through the discontinuous pin lugs; the quadrilateral structure is composed of four high-strength plates and 4 long rod pins, and adjacent quadrilateral structures share one long rod pin; the long rod pin positioned at the uppermost part is fixedly connected with the bottom of the upper support frame, and the long rod pin positioned at the lowermost part is fixedly connected with the upper part of the lower support frame;
the device is n in number and is circumferentially and uniformly distributed around the jacking oil cylinder; n is an integer multiple of 2.
2. The side bending resistance device of the jacking formwork of claim 1, wherein: the high-strength plate is a high-strength steel plate, a high-strength aluminum plate or a carbon fiber plate.
3. The utility model provides an anti side bending resistance device of jacking die carrier, jacking die carrier include upper bracket, lower carriage and jacking cylinder, and jacking cylinder's side direction is fixed with the lower carriage, and upper bracket fixes at jacking cylinder's top, its characterized in that: the device is formed by connecting a plurality of anti-side units in sequence, adjacent anti-side units are connected to form a quadrilateral structure capable of moving along the vertical direction, and adjacent anti-side units are connected in the horizontal direction to form a cylindrical structure; the side resisting unit positioned at the uppermost part is connected with the bottom of the upper support frame, and the side resisting unit positioned at the lowermost part is connected with the upper part of the lower support frame;
the side resisting unit comprises high-strength section steel, a pin shaft connecting piece arranged in the middle of the high-strength section steel and a pin shaft, and the pin shaft is connected with the pin shaft connecting piece to enable the two pieces of high-strength section steel to be connected into an X shape; the end part of the high-strength profile steel is provided with a discontinuous pin lug, and adjacent anti-side units are connected by a long rod pin penetrating through the discontinuous pin lug, so that the quadrilateral structure is formed;
one end of the top of the side resisting unit positioned at the uppermost part is fixed at the bottom of the upper support frame through a long shaft pin, the other end of the top of the side resisting unit positioned at the uppermost part is in sliding connection at the bottom of the upper support frame through a sliding mechanism, and the sliding direction is a connecting line between two ends of the top of the side resisting unit positioned at the uppermost part;
the connection mode of the two ends of the bottom of the side resisting unit positioned at the lowest part and the upper part of the lower support frame is the same as the connection mode of the two ends of the top of the side resisting unit positioned at the highest part and the bottom of the upper support frame;
the device is n in number and is circumferentially and uniformly distributed around the jacking oil cylinder; n is an integer multiple of 2.
4. The method for implementing the lateral bending resistance device of the jacking formwork of claim 1 or 3, wherein: it comprises the following steps:
s1, determining the number of the anti-side units according to the maximum jacking height and the minimum jacking height of the jacking formwork, and splicing the anti-side units into a whole;
s2, uniformly distributing the side bending resistant devices of the jacking mould frame along the circumferential direction of the jacking oil cylinder, and completing installation;
and S3, when the jacking formwork jacks, the jacking oil cylinder jacks gradually, the anti-side unit freely moves in the vertical direction due to the vertical flexibility, and the horizontal direction and the bending moment direction have rigidity for resisting horizontal force and bending moment.
5. The utility model provides a jacking die carrier with anti side bending resistance function, it includes upper bracket, lower carriage and jacking cylinder, and jacking cylinder's side direction is fixed with the lower carriage, and upper bracket fixes at jacking cylinder's top, its characterized in that: the jacking formwork further comprises a side bending resistance device of the jacking formwork as claimed in any one of claims 1 to 3.
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| CN201711274727.9A CN107989197B (en) | 2017-12-06 | 2017-12-06 | Side bending resistance device of jacking formwork and implementation method |
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| CN201711274727.9A CN107989197B (en) | 2017-12-06 | 2017-12-06 | Side bending resistance device of jacking formwork and implementation method |
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| CN107989197A CN107989197A (en) | 2018-05-04 |
| CN107989197B true CN107989197B (en) | 2020-01-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3828513A (en) * | 1971-02-11 | 1974-08-13 | Research Corp | Method of erecting a multi-story building and apparatus therefor |
| CN204078655U (en) * | 2014-10-20 | 2015-01-07 | 深圳市纳瑞科技有限公司 | Hydraulic shear forks and knives jacking transferring machine |
| CN204585509U (en) * | 2015-03-31 | 2015-08-26 | 中民筑友有限公司 | Precuring storehouse, underground and the prefabricated components production system containing this precuring storehouse, underground |
| CN105672482B (en) * | 2016-01-29 | 2017-12-08 | 浙江鑫直建筑有限公司 | A kind of large span ancient building roofing repairs jacking apparatus and construction method |
| CN107190975B (en) * | 2017-07-14 | 2018-11-23 | 四川华西集团有限公司 | Construction of super highrise building integrates form frame system |
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