CN216587766U - Hoisting facility and hoisting structure of large-span overhanging steel structural member - Google Patents
Hoisting facility and hoisting structure of large-span overhanging steel structural member Download PDFInfo
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- CN216587766U CN216587766U CN202122336639.5U CN202122336639U CN216587766U CN 216587766 U CN216587766 U CN 216587766U CN 202122336639 U CN202122336639 U CN 202122336639U CN 216587766 U CN216587766 U CN 216587766U
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Abstract
The utility model provides a hoisting facility and a hoisting structure of a large-span overhanging steel structural member, relates to the field of constructional engineering, and solves the problem of splicing steel members at high altitude. Roof steel members in the hoisting structure are arranged on a slope structural surface of the building main body, the top end of the roof steel members is hinged with the temporary support frame, and the body section of the roof steel members is connected with the lifting equipment. The utility model can mount the whole large-span cantilever steel structural member in a vertical overturning and lifting mode, can avoid the problems caused by high-altitude hoisting and splicing operation and reduce the cost.
Description
Technical Field
The utility model relates to the field of constructional engineering, in particular to a hoisting facility and a hoisting structure of a large-span overhanging steel structural member.
Background
At present, buildings such as large-scale comprehensive stadiums, professional football fields, comprehensive stadiums, cable exhibition halls and the like all relate to the characteristics of high altitude, large span, large steel structure size and high building height, a large-tonnage crawler crane is required to be adopted for construction when a roof steel structure is hoisted, the method of assembling the building tower crane and the large-tonnage crawler crane at high altitude is common, and the hoisting method is generally as follows: (1) measuring, and checking and rechecking steel members; (2) trial assembly of roof steel members on the ground; (3) positioning a large-tonnage crawler crane; (4) mounting temporary supporting jig frames (supporting jig frames are arranged below two ends of each steel member and serve as temporary supporting points); (5) hoisting the roof steel member section by section; (6) assembling the roof steel members at a high place; (7) installing repeated roof steel members; (8) mounting a connecting rod piece, a supplementing rod piece and a purline; (9) the roof steel structure net rack forms a whole; (10) safety monitoring and integral unloading; (11) removing the temporary support jig; (12) and (5) returning the crawler crane.
The hoisting of the large-span overhanging steel structure member adopts a large-scale building tower crane or a large-tonnage crawler crane to be assembled at a high place in a combined mode, is limited by site environment, installation height and maximum single-piece (truss) weight, and hoisting equipment is relatively limited, and generally has the following defects:
1. the high-place assembly safety risk is high.
2. The high-altitude assembly welding quantity is large, and the quality control difficulty is large.
3. The work efficiency of assembling a large number of high positions is low.
4. A large number of temporary moulding beds are used as supporting points for high-altitude assembly, and the cost is high.
5. The large-span overhanging steel structure member is long in length and high in hoisting height, the steel member is heavy, needs the tonnage of hoisting equipment, is large in working radius and high in working height, a conventional building tower crane or crawler crane cannot meet the hoisting requirement, an ultra-large building tower crane or an ultra-large building tower crane needs to be adopted, but the market of the ultra-large tower crane or the ultra-large building tower crane equipment is limited (the ultra-large tower crane is few in the market), and in the limited projects of building geology, building appearance and building structure (a structural plate cannot bear the load of the ultra-large tonnage equipment), in-field limited projects, the large-tonnage crawler crane cannot be frequently and cannot be in place, and hoisting of the steel member can be restricted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to design a hoisting facility and a hoisting structure of a large-span overhanging steel structural member, which can be used for installing the large-span overhanging steel structural member integrally in a vertical overturning and lifting mode, can avoid the problems caused by high-altitude hoisting and splicing operation and reduce the cost.
The utility model is realized by the following technical scheme:
the utility model provides a hoisting facility for a large-span overhanging steel structure member, which comprises a building main body, an outer upright post, a steel upright post, a temporary support frame and a lifting device, wherein the outer upright post is arranged on the building main body; the part of the top surface of the building main body, which is positioned at the inner side, is set as a slope structure surface; the outer upright posts and the lifting equipment are respectively arranged on the outer side and the inner side of the building main body; the top of the building main body is fixedly connected with the steel upright post; the top of building subject is located the position of steel stand is connected with interim support frame, the top of interim support frame is provided with the round pin shaft hole that axial level set up, the steel stand is located interim support frame is inboard.
When the structure is arranged, the slope structural surface of the building main body is used for obliquely placing the roof steel member, the lifting device located on the inner side of the building main body can provide rising power for the overhanging end of the roof steel member, the temporary support frame located at the top of the building main body is used for hinging the hinged end with the roof steel member, and the lifting device can replace a large-tonnage hoisting device to drive the overhanging end of the roof steel member to vertically turn upwards to move until reaching the design height by taking the hinged end as a fulcrum. Therefore, roof steel members can be assembled on the ground in a split manner, and can be welded with the outer upright posts and the steel upright posts after being integrally lifted in place. Therefore, the adoption of the structure reduces high-altitude operation and is beneficial to safety control; the high-altitude operation is reduced, and the welding quality control is facilitated; the high-altitude operation is reduced, and the work efficiency is favorably improved; the amount of temporary moulding beds is reduced, and the cost is favorably reduced; the use of large-tonnage hoisting equipment is cancelled, and the selection range of the hoisting equipment is wider; the problem of the installation of large-scale steel member when complicated place, large-tonnage jack-up lifting device can't take one's place is solved.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: the temporary support frame comprises two groups of symmetrically arranged diagonal braces, and the top ends of the diagonal braces are provided with the pin shaft holes.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: the lifting device is arranged as a hydraulic stay bar.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: the lifting device comprises a lifting jig frame and a winch, the winch is connected to the top of the lifting jig frame, and a steel strand is wound and connected to the winch.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: lifting equipment is including promoting bed-jig and electric block, electric block connect in the top of promoting the bed-jig, the electric block winding is connected with the steel strand wires.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: the lifting equipment comprises a lifting jig frame, a through hydraulic jack and a hydraulic pump, the through hydraulic jack is connected to the top of the lifting jig frame, a steel strand is arranged on the through hydraulic jack in a penetrating mode, and the hydraulic pump is connected with the through hydraulic jack through an oil way.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: the top of the lifting jig frame is connected with a jack support frame, and the center-penetrating hydraulic jack is connected to the jack support frame.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: the two sets of the straight-through hydraulic jacks are arranged.
When the structure is arranged, one set of the straight-through hydraulic jack is used as a main hydraulic jack for lifting, and the other set of the straight-through hydraulic jack is used as an auxiliary hydraulic jack for lifting, so that the load on the single set of the straight-through hydraulic jack is reduced, and the stability and the reliability of the roof steel member during lifting are improved.
In order to further better implement the utility model, the following arrangement structure is particularly adopted: the periphery of the lifting jig frame is connected with a plurality of guy cables which are sequentially arranged from top to bottom, and the free ends of the guy cables are connected with a reinforced concrete foundation.
When adopting above-mentioned structure that sets up, the setting of guy rope is used for increasing and promotes bed-jig wholeness.
Further: the lifting jig frame is of a combined structure in a shape like a Chinese character 'tian' formed by combining finished products of square-shaped components.
The utility model also provides a hoisting structure of the large-span overhanging steel structure component, which comprises a roof steel structure component and the hoisting facility of the large-span overhanging steel structure; the roof steel member wholly place in on the slope structural plane of building main part, the preformed hole that roof steel member top set up with the coaxial round pin axle hole that penetrates the round pin axle realizes the roof steel member with the articulated of interim support frame, be provided with at least one lug on the body section of roof steel member, steel strand wires's one end is connected the rope card of connecting on the lug is connected.
Further: two lifting lugs are sequentially arranged on the body section of the roof steel member along the length direction of the body section, one end of each steel strand is connected with one rope clamp connected to the lifting lug, and the other end of each steel strand is connected with the other rope clamp connected to the lifting lug.
The utility model has the following advantages and beneficial effects:
according to the utility model, the slope structural surface of the building main body is used for obliquely placing the roof steel member, the lifting equipment positioned on the inner side of the building main body can provide lifting power for the overhanging end of the roof steel member, the temporary support frame positioned on the top of the building main body is used for being hinged with the hinged end of the roof steel member, and the lifting equipment can replace large-tonnage hoisting equipment to drive the overhanging end of the roof steel member to vertically turn upwards by taking the hinged end as a fulcrum until the designed height is reached. Therefore, roof steel members can be assembled on the ground in a split manner, and can be welded with the outer upright posts and the steel upright posts after being integrally lifted in place. Therefore, the adoption of the structure reduces high-altitude operation and is beneficial to safety control; the high-altitude operation is reduced, and the welding quality control is facilitated; the high-altitude operation is reduced, and the work efficiency is favorably improved; the amount of temporary moulding beds is reduced, and the cost is favorably reduced; the use of large-tonnage hoisting equipment is cancelled, and the selection range of the hoisting equipment is wider; the problem of the installation of large-scale steel member when complicated place, large-tonnage jack-up lifting device can't take one's place is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hoisting facility of a large-span overhanging steel structural member adopting a jack;
FIG. 2 is a schematic structural diagram of a hoisting structure of a large-span cantilever steel structural member by using a jack;
labeled as:
1. a building body; 2. an outer column; 3. a steel upright post; 4. a temporary support frame; 41. a pin shaft hole; 5. lifting the jig frame; 6. a jack support frame; 7. a feed-through hydraulic jack; 8. steel strand wires; 9. a hydraulic pump; 10. a guy rope; 11. a concrete foundation; 12. civil engineering embedded parts; 13. a roof steel member; 131. and (7) lifting lugs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Example 1:
the utility model provides a large-span steel structural component's of encorbelmenting hoist and mount facility, can encorbelment the whole perpendicular upset of adopting of steel structural component of large-span and promote the mode installation, can avoid the problem and the reduce cost that overhead hoist and mount concatenation operation brought, as shown in figure 1, figure 2, set to following structure very much:
this kind of hoisting facility is to the hoist and mount design of large-span steel structural component that encorbelments, and it includes building subject 1, outer column 2, steel column 3, interim support frame 4 and jacking equipment.
The building main body 1 can be a building body such as a stadium main body structure which needs to be provided with a large-span overhanging steel structural member. The portion of the top surface of the building body 1 located on the inner side is set as a slope structure surface, and the portion located on the outer side is set as a horizontal surface, wherein the inner side and the outer side of the building body 1 are only relative concepts, and are not necessarily the inner side or the outer side recognized in the overall structure form of the building body. In the present embodiment, an area located on the right side of the building body 1 in the drawing is defined as the inside of the building body 1. The outer column 2 and the lifting device are respectively provided on the outer side and the inner side of the building body 1, i.e., on the side away from the slope structural face and on the side close to the slope structural face.
The horizontal plane part of the top surface of the building main body 1 is provided with a civil embedded part 12, the steel upright posts 3 are vertically arranged, and the bottom ends of the steel upright posts 3 are fixedly connected to the horizontal plane part of the top surface of the building main body 1. Arranged interim support frame 4 around steel stand 3, it is inboard to make steel stand 3 be located interim support frame 4, and interim support frame 4 includes the bracing column that two sets of symmetries set up, and the top of two sets of bracing columns is provided with the round pin shaft hole 41 that an axial level set up in advance, and interim support frame 4's bottom detachably fixed connection is on civil engineering built-in fitting 12.
The bottom fixed connection of outer column 2 is in ground, and outer column 2 is connected with building body 1 through the steelframe.
Lifting means can adopt the hydraulic pressure vaulting pole, and the bottom detachably fixed connection of hydraulic pressure vaulting pole is on reinforced concrete basis, and the top of hydraulic pressure vaulting pole is the free end for connect on roof steel member 13 with its jacking that makes progress.
The lifting device can also adopt a structure that the lifting jig frame 5 is matched with an electric hoist or a hydraulic jack. The lifting jig frame 5 is of a combined structure in a shape like a Chinese character 'tian' formed by combining finished product 'mouth' -shaped components, and the bottom end of the lifting jig frame 5 is detachably and fixedly connected to the reinforced concrete foundation 11. When power equipment is the electric winch, the winch is detachably connected to the rack arranged at the top of the lifting jig frame 5, a steel strand is wound on a winding drum of the winch, and the free end of the steel strand is used for being connected to the roof steel member 13 and upwards lifting the roof steel member. When power equipment is electric block, electric block detachably connects in the top frame that promotes bed-jig 5, and the winding is connected with the steel strand wires on electric block's the reel, and the free end of steel strand wires is used for connecting upwards promoting it on roof steel member 13. The preferred punching type hydraulic jack 7 that is preferred to the power equipment of this embodiment, punching type hydraulic jack 7 detachably installs on the jack support frame 6 that 5 tops of promotion bed-jig are connected, wear to be equipped with a steel strand wires 8 in the punching type hydraulic jack 7, punching type hydraulic jack 7 is worn out to the one end of steel strand wires 8 and is the nature state of drooping, the other end of steel strand wires 8 is used for connecting upwards promoting it on room lid steel member 13, and simultaneously, be provided with a hydraulic pressure station on ground, hydraulic pump 9 in the hydraulic pressure station passes through the oil circuit and is connected with the hydro-cylinder of punching type hydraulic jack 7.
When the hoisting facility of this kind of large-span steel structural component that encorbelments is adopted, building subject 1's slope structural plane is used for putting roof steel member 13 to one side, the lift device that is located building subject 1 inboard can provide ascending power for the end of encorbelmenting of roof steel member 13, the interim support frame 4 that is located building subject 1 top is used for articulated with the articulated end of roof steel member 13, lift device can replace the hoisting device of big tonnage to drive the end of encorbelmenting of roof steel member 13 and use the articulated end to do the vertical flip-over movement that makes progress as the fulcrum until reaching design height. Thus, the roof steel members 13 can be assembled on the ground in a split manner, and can be welded with the outer columns 2 and the steel columns 3 after being integrally lifted in place. Therefore, the adoption of the structure reduces high-altitude operation and is beneficial to safety control; the high-altitude operation is reduced, and the welding quality control is facilitated; the high-altitude operation is reduced, and the work efficiency is favorably improved; the amount of temporary moulding beds is reduced, and the cost is favorably reduced; the use of large-tonnage hoisting equipment is cancelled, and the selection range of the hoisting equipment is wider; the problem of the installation of large-scale steel member when complicated place, large-tonnage jack-up lifting device can't take one's place is solved.
As a preferred scheme of a lifting jig frame adopted by lifting equipment, the cable wind ropes 10 are arranged around the lifting jig frame 5, the cable wind ropes 10 on one side of the lifting jig frame 5 are sequentially arranged from top to bottom, namely an upper, a middle and a lower, the top ends of the cable wind ropes 10 are detachably connected with the lifting jig frame 5, and the bottom ends of the cable wind ropes 10 are detachably connected to the reinforced concrete foundation 11. The provision of the guy cable 10 serves to increase the integrity of the lift jig 5.
As a preferred scheme of adopting a straight-through hydraulic jack as power equipment, two sets of straight-through hydraulic jacks 7 are arranged on a jack support frame 6. One set of the penetrating hydraulic jack 7 is used as a hydraulic jack for main lifting, and the other set of the penetrating hydraulic jack is used as a hydraulic jack for auxiliary lifting, so that the load on the single set of the penetrating hydraulic jack 7 is reduced, and the stability and the reliability of the roof steel member 13 during lifting are improved.
Example 2:
this embodiment further provides a hoisting structure of large-span overhanging steel structural component on the basis of above-mentioned embodiment, adopts following setting structure especially:
this kind of hoisting structure of large-span steel structural component that encorbelments, including the hoisting facility of the large-span steel construction that encorbelments among roof steel member 13 and the above-mentioned embodiment 1.
The roof steel member 13 is formed by assembling three sections, and the whole roof steel member is placed on the slope structural surface of the building main body 1 through a hoisting device such as a crawler crane. The top end of the roof steel member 13 is a hinged end, a preformed hole is arranged at the hinged end, and the preformed hole is coaxial with the pin shaft hole 41 on the temporary support frame 4 and penetrates a pin shaft to realize the hinging of the roof steel member 13 and the temporary support frame 4. One or two lifting lugs 131 are provided on the body section of the roof steel member 13.
Taking the combined structure of the hoisting jig frame 5 and the penetrating hydraulic jack 7 in the embodiment 1 as an example, when the penetrating hydraulic jack 7 is set as a set, only one steel strand 8 is provided, at this time, a lifting lug 131 is provided on the bottom end of the roof steel member 13, which is at the overhanging end, and one end of the steel strand 8 is fixedly connected with the rope fastener connected to the lifting lug 131. When the two sets of the through hydraulic jacks 7 are arranged, two steel strands 8 exist, the positions of the overhanging end and the middle section of the roof steel member 13 are respectively provided with a lifting lug 131, one end of one steel strand 8 is fixedly connected with a rope clamp connected with the lifting lug 131 on the middle section of the roof steel member 13, and one end of the other steel strand 8 is fixedly connected with a rope clamp connected with the lifting lug 131 on the overhanging end. In this way, one set of the penetrating hydraulic jack 7 is used as a hydraulic jack for main lifting, and the other set of the penetrating hydraulic jack is used as a hydraulic jack for auxiliary lifting, so that the load on the single set of the penetrating hydraulic jack 7 is reduced, and the stability and the reliability of the roof steel member 13 during lifting are improved.
The application this kind of large-span steel structural component's that encorbelments hoisting structure can upwards overturn the promotion perpendicularly with roof steel member 13 through power equipment such as punching hydraulic jack 7, and after roof steel member 13 was promoted predetermined elevation, with roof steel member 13's hinged end and outer column 2 and steel stand 3 welded fastening, later can demolish interim support frame 4 after dismantling the round pin axle, can demolish jacking equipment at last.
Because of the building geology, the building appearance, building structure (the structural slab can not bear the load of super large tonnage equipment), the restriction of all ring edge borders (the super large tonnage equipment can not occupy), when conventional building tower crane, large tonnage crawler crane can not satisfy the hoist and mount demand of hoist and mount, this technical scheme problem can be solved to the hoisting structure of the large-span steel construction component that encorbelments of application in this embodiment, and the eminence operation that can significantly reduce, interim bed-jig volume significantly reduces, the wide selection of hoisting equipment, the benefit is showing, can solve complicated place, technical problem when super large tonnage crawler crane can't use.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (12)
1. The utility model provides a hoisting facility of large-span steel structural member of encorbelmenting which characterized in that: comprises a building main body (1), an outer upright post (2), a steel upright post (3), a temporary support frame (4) and lifting equipment;
the part of the top surface of the building main body (1) positioned at the inner side is set as a slope structure surface;
the outer upright (2) and the lifting device are respectively arranged on the outer side and the inner side of the building main body (1);
the top of the building main body (1) is fixedly connected with the steel upright post (3);
the top of building subject (1) is located the position of steel stand (3) is connected with interim support frame (4), the top of interim support frame (4) is provided with pin shaft hole (41) that axial level set up, steel stand (3) are located interim support frame (4) are inboard.
2. The hoisting facility of the large-span cantilever steel structural member according to claim 1, wherein: the temporary support frame (4) comprises two groups of symmetrically arranged diagonal braces, and the top ends of the two groups of diagonal braces are provided with the pin shaft holes (41).
3. The hoisting facility of the large-span overhanging steel structural member according to claim 1 or 2, wherein: the lifting device is arranged as a hydraulic stay bar.
4. The hoisting facility of the large-span overhanging steel structural member according to claim 1 or 2, wherein: the lifting device comprises a lifting jig frame (5) and a winch, wherein the winch is connected to the top of the lifting jig frame (5), and a steel strand is wound and connected on the winch.
5. The hoisting facility of the large-span overhanging steel structural member according to claim 1 or 2, wherein: lifting equipment is including promoting bed-jig (5) and electric block, electric block connect in the top of promoting bed-jig (5), the electric block winding is connected with the steel strand wires.
6. The hoisting facility of the large-span overhanging steel structural member according to claim 1 or 2, wherein: the lifting equipment comprises a lifting jig frame (5), a feed-through hydraulic jack (7) and a hydraulic pump (9), wherein the feed-through hydraulic jack (7) is connected to the top of the lifting jig frame (5), a steel strand is arranged in the feed-through hydraulic jack (7) in a penetrating mode, and the hydraulic pump (9) is connected with the feed-through hydraulic jack (7) through an oil way.
7. The hoisting facility of the large-span cantilever steel structural member according to claim 6, wherein: the top of the lifting jig frame (5) is connected with a jack support frame (6), and the feed-through hydraulic jack (7) is connected with the jack support frame (6).
8. The hoisting facility of the large-span cantilever steel structural member according to claim 6, wherein: the two sets of the straight-through hydraulic jacks (7) are arranged.
9. The hoisting facility of the large-span cantilever steel structural member according to claim 4, wherein: the periphery of the lifting jig frame (5) is connected with a plurality of guy cables (10) which are sequentially arranged from top to bottom, and the free ends of the guy cables (10) are connected with a reinforced concrete foundation (11).
10. The hoisting facility of the large-span cantilever steel structural member according to claim 5, wherein: the periphery of the lifting jig frame (5) is connected with a plurality of guy cables (10) which are sequentially arranged from top to bottom, and the free ends of the guy cables (10) are connected with a reinforced concrete foundation (11).
11. The hoisting facility of the large-span cantilever steel structural member according to claim 6, wherein: the periphery of the lifting jig frame (5) is connected with a plurality of guy cables (10) which are sequentially arranged from top to bottom, and the free ends of the guy cables (10) are connected with a reinforced concrete foundation (11).
12. The utility model provides a hoisting structure of large-span steel structural component that encorbelments which characterized in that: hoisting installation comprising a roof steel member (13) and a large span cantilevered steel structural member of any of claims 4-11; roof steel member (13) whole place in on the slope structural plane of building subject (1), the preformed hole that roof steel member (13) top set up with round pin axle hole (41) are coaxial and penetrate the round pin axle and realize roof steel member (13) with the articulated of interim support frame (4), be provided with at least one lug (131) on the body section of roof steel member (13), the one end of steel strand wires is connected the rope clip of connecting on lug (131) is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336639.5U CN216587766U (en) | 2021-09-26 | 2021-09-26 | Hoisting facility and hoisting structure of large-span overhanging steel structural member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336639.5U CN216587766U (en) | 2021-09-26 | 2021-09-26 | Hoisting facility and hoisting structure of large-span overhanging steel structural member |
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| CN216587766U true CN216587766U (en) | 2022-05-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467421A (en) * | 2022-09-29 | 2022-12-13 | 中建八局第三建设有限公司 | Hoisting construction method for complex large-span steel roof |
| CN115893175A (en) * | 2023-01-09 | 2023-04-04 | 中铁城建集团第一工程有限公司 | Hyperboloid overhanging steel net rack synchronous integral lifting system and construction method |
-
2021
- 2021-09-26 CN CN202122336639.5U patent/CN216587766U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467421A (en) * | 2022-09-29 | 2022-12-13 | 中建八局第三建设有限公司 | Hoisting construction method for complex large-span steel roof |
| CN115467421B (en) * | 2022-09-29 | 2023-09-22 | 中建八局第三建设有限公司 | Hoisting construction method for complex large-span steel roof |
| CN115893175A (en) * | 2023-01-09 | 2023-04-04 | 中铁城建集团第一工程有限公司 | Hyperboloid overhanging steel net rack synchronous integral lifting system and construction method |
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