CN217205574U - Supporting device for reversely dismantling high-rise frame structure - Google Patents
Supporting device for reversely dismantling high-rise frame structure Download PDFInfo
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- CN217205574U CN217205574U CN202221091611.8U CN202221091611U CN217205574U CN 217205574 U CN217205574 U CN 217205574U CN 202221091611 U CN202221091611 U CN 202221091611U CN 217205574 U CN217205574 U CN 217205574U
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Abstract
The utility model relates to a high-rise frame construction is reverse demolishs and uses strutting arrangement belongs to the building construction field. The supporting device for reversely dismantling the high-rise frame structure comprises a plurality of steel columns which are arranged at intervals, wherein the top ends of the steel columns are simultaneously and fixedly connected with a frame body, the steel columns jointly support the frame body, the frame body is formed by combining a plurality of transverse steel beams and longitudinal steel beams which are staggered transversely and longitudinally, the transverse steel beams are fixedly connected with the longitudinal steel beams, a plurality of telescopic jacking devices are fixedly arranged on the frame body at intervals, and the jacking devices are used for supporting main beams of the frame structure; an operation space for dismantling the frame column is formed between the steel columns, a plurality of openings communicated with the operation space are formed between the transverse steel beams and the longitudinal steel beams, and the openings are used for penetrating through the frame column. When the device is used for dismantling a high-rise frame structure, the problems of low high-altitude transportation efficiency, poor safety and low dismantling efficiency are solved.
Description
Technical Field
The utility model relates to a high-rise frame construction is reverse demolishs and uses strutting arrangement belongs to the building construction field.
Background
The frame structure is a structure for bearing all loads of a house by a frame which is composed of a plurality of concrete beams and frame columns, wherein the concrete beams comprise main beams and secondary beams. For high-rise civil buildings and multi-storey industrial plants, the load bearing of brick walls cannot meet the requirement of large load, and a frame is often adopted as a load bearing structure.
Two methods are generally adopted for dismantling the high-rise frame structure: one method is an explosion method, which has great pollution to urban air and threats to surrounding buildings and is extremely unsafe; the other method is a method for partially disassembling from top to bottom, which has low efficiency and poor safety in high-altitude transportation.
The patent with publication number CN215949009U discloses a steel structure supporting base convenient to disassemble, which comprises a base and a mounting plate, wherein the top of the mounting plate is provided with a chute, the chute is connected with a slide block in a sliding way, the top of the slide block is fixedly connected with a plugboard, the top surface of one side of the chute is welded with a fixed mounting frame, the fixed mounting frame is screwed with a screw rod, one end of the screw rod is provided with a knob, one end of the screw rod, which is far away from the knob, is fixedly connected with a bearing, one side of the bearing is fixedly connected with the plugboard, one side of the inner wall of the fixed mounting frame is fixedly provided with a locking spring, the surface of one side of the fixed mounting frame is fixedly connected with a fixed inserting barrel, the steel structure is contacted with a pressing plate to deform the locking spring, the steel structure is fixed on the supporting base at the moment, the steel structure can be disassembled by reversely screwing the knob, and the installation and the disassembly of the steel structure are simple, can meet the use requirement. However, the disassembled steel structure support base only applies the disassembly of the steel structure and cannot be applied to a high-rise frame structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a when demolising high-rise frame structure, pollute little, waste material conveying efficiency is high and high-rise frame structure is reverse demolishs and uses strutting arrangement.
The utility model provides a technical scheme that its technical problem adopted is: the supporting device for reversely dismantling the high-rise frame structure comprises a plurality of steel columns which are arranged at intervals, wherein the top ends of the steel columns are simultaneously and fixedly connected with a frame body, the steel columns jointly support the frame body, the frame body is formed by combining a plurality of transverse steel beams and longitudinal steel beams which are staggered transversely and longitudinally, the transverse steel beams are fixedly connected with the longitudinal steel beams, a plurality of telescopic jacking devices are fixedly arranged on the frame body at intervals, and the jacking devices are used for supporting main beams of the frame structure;
an operation space for dismantling the frame column is formed among the steel columns, a plurality of openings communicated with the operation space are formed between the transverse steel beams and the longitudinal steel beams, and the openings are used for penetrating through the frame column.
Further, still including setting up the apron at the framework top, the opening includes first opening and second opening, and first opening is used for passing the frame post, and the apron closing cap second opening.
Furthermore, the multifunctional stair also comprises a stair, and one end of the stair is fixedly connected with the top of the frame body.
Furthermore, the cover plate is a patterned steel plate.
Further, the jacking device is a hydraulic cylinder.
Furthermore, many steel columns are the rectangle and distribute, and many jacking devices are the rectangle and distribute.
Furthermore, the steel column, the transverse steel beam and the longitudinal steel beam are H-shaped steel.
The utility model has the advantages that:
when the device is used for dismantling a high-rise frame structure, the frame columns can be directly dismantled on a layer of foundation, and concrete beams can be dismantled on the steel beams, so that the device overcomes the problems of low high-altitude transportation efficiency, poor safety and low dismantling efficiency compared with the traditional top-down local dismantling method; in addition, the method does not need to use blasting means for demolition, so that compared with the traditional blasting method, the method solves the problems of great pollution to urban air and safety threat to surrounding buildings.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a top view of the apparatus of the present invention in a disassembled configuration;
FIG. 4 is an enlarged view of the utility model at A;
fig. 5 is a front view of the lifting device of the present invention when it is removed and extended;
fig. 6 is a front view of the jacking device of the present invention when it is disassembled and retracted.
Labeled as: 12 is a frame column, 14 is a main beam, 16 is a secondary beam, 2 is a steel beam, 22 is a transverse steel beam, 24 is a longitudinal steel beam, 3 is a jacking device, 4 is a steel column, 5 is a working space, 6 is a cover plate, and 7 is a stair.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are some, not all embodiments of the invention.
Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 2, the supporting device for reversely dismantling a high-rise frame structure of the present invention comprises a plurality of steel columns 4 arranged at intervals, wherein the top ends of the plurality of steel columns 4 are fixedly connected with a frame body at the same time, the plurality of steel columns 4 support the frame body together, the frame body is formed by combining a plurality of transverse steel beams 22 and longitudinal steel beams 24 which are staggered transversely and longitudinally, the transverse steel beams 22 are fixedly connected with the longitudinal steel beams 24, a plurality of telescopic jacking devices 3 are fixedly arranged at intervals on the frame body, and the jacking devices 3 are used for supporting the main beams 14 of the frame structure;
a working space 5 for dismantling the frame column 12 is formed among the plurality of steel columns 4, a plurality of openings communicated with the working space 5 are formed between the plurality of transverse steel beams 22 and the plurality of longitudinal steel beams 24, and the openings are used for penetrating through the frame column 12.
Preferably, the frame further comprises a cover plate 6 arranged on the top of the frame body, the opening comprises a first opening and a second opening, the first opening is used for penetrating through the frame column 12, and the cover plate 6 covers the second opening.
Preferably, the multifunctional combined type stair further comprises a stair 7, and one end of the stair 7 is fixedly connected with the top of the frame body.
Preferably, the cover plate 6 is a patterned steel plate.
Preferably, the jacking device 3 is a hydraulic cylinder.
Preferably, a plurality of steel columns 4 are distributed in a rectangular shape, and a plurality of jacking devices 3 are distributed in a rectangular shape.
Preferably, the steel columns 4, the transverse steel beams 22 and the longitudinal steel beams 24 are H-shaped steel.
Application the utility model discloses the method of high-rise frame construction is demolishd to the device is as follows: as shown in fig. 3 to 6, the method for reversely dismantling the high-rise frame structure comprises the following steps:
s10, dismantling the wall structures of the first layer and the second layer, dismantling the beam plates of the second layer, dismantling the frame columns 12 of the first layer step by step until the frame columns 12 are completely dismantled, replacing at least part of the frame columns 12 with steel columns 4 in the dismantling process, fixedly installing the steel columns 4 on the foundation of the first layer, arranging the steel columns 4 and the frame columns 12 before dismantling in a staggered mode, and forming an operation space 5 among a plurality of steel columns 4;
s20, gradually removing the two layers of concrete beams until the concrete beams are completely removed, at least replacing part of the main beams 14 with steel beams 2 in the removing process, fixedly connecting the steel beams 2 to the steel columns 4, fixing the crossed steel beams 2, arranging the steel beams 2 and the main beams 14 before removing in a staggered manner, fixing a plurality of telescopic jacking devices 3 on the steel beams 2 at intervals in the process of replacing the steel beams 2, and jacking the three layers of the main beams 14 by using the jacking devices 3 so as to support the high-rise frame structure;
s30, driving the pushing device to contract, descending the high-rise frame structure, enabling the second-layer frame columns 12 to fall into the operation space 5, and detaching the second-layer frame columns 12;
s40, dismantling the three-layer wall structure and the three-layer beam slab, dismantling the three-layer concrete beam step by step, jacking the four-layer main beam 14 by using the jacking device 3 in the dismantling process, driving the jacking device to contract, enabling the three-layer frame column 12 to fall into the operation space 5, dismantling the three-layer frame column 12;
referring to the construction method of step S40, the high-rise frame structure is dismantled upward layer by layer.
The steel column 4 can be fixedly connected to the foundation of one layer through expansion bolts and chemical anchor bolts, or a concrete layer of one layer of foundation is broken, the steel column 4 is welded with the steel bars of the foundation of one layer, and concrete is poured to fix the steel column 4. The steel column 4 is connected with the frame column 12 through welding, and the two crossed steel beams 2 are connected through welding.
The invention can directly remove the frame column 12 on a layer of foundation, and the concrete beam can be removed on the steel beam 2, thus overcoming the problems of low high-altitude transportation efficiency, poor safety and low removal efficiency compared with the traditional top-down local removal method; in addition, the invention does not need to be dismantled by using blasting means, so that compared with the traditional blasting method, the invention overcomes the problems of great pollution to urban air and safety threat to surrounding buildings; in conclusion, the invention provides the method for dismantling the high-rise frame structure, which has the advantages of high dismantling speed, environmental protection and low labor intensity.
The number of the jacking devices 3 is determined by the jacking force of each jacking device 3 and the gravity of the high-rise frame structure; as long as the resultant force provided by all the jacking devices 3 is greater than the gravity of the high-rise frame structure; the concrete beam comprises a main beam and a secondary beam; the concrete beam of the second layer is the concrete beam at the top of the frame column of the first layer and is also the concrete beam at the bottom of the beam slab of the second layer; the concrete beam of each layer is understood in the same way as the two layers.
Preferably, in step S10, all of the frame columns 12 are replaced with steel columns 4. Specifically, in step S20, the steel columns 4 are combined with the steel beams 2 to form the supporting device for reverse dismantling of the high-rise frame structure as shown in fig. 5 and 6, and the transverse and longitudinal steel beams 2 are combined to form the frame body, in which all the frame columns 12 are replaced with the steel columns 4, so that the steel columns 4 stably support the frame body.
Preferably, in step S10, after one frame column 12 is removed and before the next frame column 12 is removed, the removed frame column 12 is replaced with the corresponding steel column 4. Specifically, the scheme can avoid the risk of collapse of the high-rise frame structure caused by dismantling more frame columns 12 at one time.
Preferably, in step S10, the frame columns 12 are removed one by one, and the frame columns 12 are replaced one by one with the steel columns 4.
Preferably, in step S20, after one main beam 14 is removed and before the next main beam 14 is removed, the removed main beam 14 is replaced with the corresponding steel beam 2. In particular, the solution can avoid the risk of collapsing the frame structure due to the removal of more main beams 14 at a time.
Preferably, in step S20, the concrete beams are removed one by one, and the main beams 14 are replaced with the steel beams 2 one by one.
Preferably, in step S40, the concrete beams of the three floors are removed one by one, and the main beams 14 of the four floors are braced one by one using the jacking device 3.
Preferably, in step S20, all the main beams 14 are replaced with the steel beams 2. Specifically, the scheme can increase the strength of the frame body so as to improve the stability of the supporting device for reversely dismantling the high-rise frame structure.
Preferably, all the secondary beams 16 are replaced with steel beams 2. Specifically, the scheme can increase the strength of the frame body so as to improve the stability of the supporting device for reversely dismantling the high-rise frame structure.
Preferably, the jacking devices 3 are jacked at the positions of the main beams 14 close to the frame columns 12, and the jacking devices 3 are positioned at the positions of the steel beams 2 close to the steel columns 4. Specifically, the stress of the position of the main beam 14 close to the frame column 12 is good, the main beam 14 is not easy to break when the main beam 14 is jacked, the stress of the jacking device 3 close to the steel column 4 is good, and the stability is high.
Preferably, in step S20, the completed steel beams 2 are replaced to form a frame, the steel beams 2 include transverse steel beams 22 and longitudinal steel beams 24, a plurality of openings communicated with the working space 5 are formed between the transverse steel beams 22 and the longitudinal steel beams 24, the openings include a first opening and a second opening, and the first opening is used for passing through the frame column 12;
a cover plate 6 is fixedly arranged at the top of the frame body, and the cover plate 6 is used for covering the second opening.
Specifically, the cover plate 6 is a patterned steel plate; if the cover plate 6 is not arranged, workers need to stand on the steel beam 2 to dismantle the concrete beam, so that the method is dangerous, and the risk that the workers fall from the steel beam 2 exists; set up 6 back workmans and can stand and demolish the concrete beam on apron 6, operation safety reduces the risk that the workman falls.
In addition, the stair 7 can be fixedly connected to the top of the frame body, so that workers can go up and down conveniently.
Preferably, the jacking device 3 is a hydraulic cylinder. Specifically, the jacking device 3 can also select an electro-hydraulic push rod, a jack or a motor to drive a nut screw rod and other devices.
In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the method is usually placed when in use, or the orientation or position relationship that the skilled person usually understands, such terms are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In this context, "parallel," "perpendicular," and the like are not strictly mathematical and/or geometric limitations, but also encompass tolerances as would be understood by one skilled in the art and permitted by fabrication or use.
It should be noted that, in the embodiments and features and technical solutions in the embodiments of the present invention may be combined with each other without conflict.
Claims (7)
1. High-rise frame construction is reverse demolishs and uses strutting arrangement, its characterized in that: the steel column structure is characterized by comprising a plurality of steel columns (4) which are arranged at intervals, wherein the top ends of the steel columns (4) are fixedly connected with a frame body at the same time, the frame body is supported by the steel columns (4) together, the frame body is formed by combining a plurality of transverse steel beams (22) and longitudinal steel beams (24) which are staggered transversely and longitudinally, the transverse steel beams (22) are fixedly connected with the longitudinal steel beams (24), a plurality of telescopic jacking devices (3) are fixedly arranged on the frame body at intervals, and the jacking devices (3) are used for supporting main beams (14) of a frame structure;
a working space (5) for dismantling the frame column (12) is formed among the steel columns (4), a plurality of openings communicated with the working space (5) are formed between the transverse steel beams (22) and the longitudinal steel beams (24), and the openings are used for penetrating through the frame column (12).
2. The supporting device for the reverse demolition of a high-rise frame structure according to claim 1, wherein: the frame further comprises a cover plate (6) arranged at the top of the frame body, the opening comprises a first opening and a second opening, the first opening is used for penetrating through the frame column (12), and the cover plate (6) covers the second opening.
3. The supporting device for the reverse demolition of a high-rise frame structure according to claim 2, wherein: still include stair (7), the one end of stair (7) with the top fixed connection of framework.
4. The supporting device for the reverse demolition of a high-rise frame structure according to claim 2, wherein: the cover plate (6) is a patterned steel plate.
5. The supporting device for the reverse demolition of a high-rise frame structure according to claim 1, wherein: the jacking device (3) is a hydraulic cylinder.
6. The supporting device for the reverse demolition of a high-rise frame structure according to claim 1, wherein: the steel columns (4) are distributed in a rectangular shape, and the jacking devices (3) are distributed in a rectangular shape.
7. The supporting device for the reverse demolition of a high-rise frame structure according to claim 1, wherein: the steel column (4), the transverse steel beam (22) and the longitudinal steel beam (24) are H-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221091611.8U CN217205574U (en) | 2022-05-07 | 2022-05-07 | Supporting device for reversely dismantling high-rise frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221091611.8U CN217205574U (en) | 2022-05-07 | 2022-05-07 | Supporting device for reversely dismantling high-rise frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217205574U true CN217205574U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221091611.8U Active CN217205574U (en) | 2022-05-07 | 2022-05-07 | Supporting device for reversely dismantling high-rise frame structure |
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| Country | Link |
|---|---|
| CN (1) | CN217205574U (en) |
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2022
- 2022-05-07 CN CN202221091611.8U patent/CN217205574U/en active Active
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