CN217535150U - Lifting appliance for integral hoisting of steel reinforcement framework of prefabricated part - Google Patents
Lifting appliance for integral hoisting of steel reinforcement framework of prefabricated part Download PDFInfo
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- CN217535150U CN217535150U CN202221198961.4U CN202221198961U CN217535150U CN 217535150 U CN217535150 U CN 217535150U CN 202221198961 U CN202221198961 U CN 202221198961U CN 217535150 U CN217535150 U CN 217535150U
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- web member
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Abstract
The utility model provides a lifting appliance for integral lifting of a prefabricated component steel reinforcement framework, which comprises a lifting appliance truss, lifting lugs and chain rigging, wherein the lifting appliance truss is composed of an upper chord member, two lower chord members, a web member connecting device and a plurality of parallel links; the left end and the right end of the upper chord are symmetrically provided with a lifting lug at the distance from the midpoint, and the lifting lugs are steel plates provided with lifting holes and are fixedly connected with the upper chord in a full welding manner; the chain rigging consists of a steel rope and a lifting hook and is used for connecting the hanger truss with the prefabricated member steel reinforcement framework. The beneficial effects of the utility model reside in that: 1. the utility model utilizes the arranged hanger truss to hoist the whole prefabricated component steel bar framework below the hanger truss through the chain rigging, and meanwhile, the hanger truss is hoisted and moved by the crane, thereby being convenient for transportation, improving the construction efficiency and reducing the construction cost; 2. simple structure, convenient operation, safe and reliable, the atress is clear and definite, easy to assemble and dismantlement.
Description
Technical Field
The utility model belongs to the technical field of the construction of assembled bridge and specifically relates to a hoist for prefabricated component steel reinforcement framework integral hoisting is related to.
Background
With the popularization of bridge prefabrication and assembly construction technology in urban bridge construction, bridge construction gradually moves to a standardized and normalized direction. In the large-scale production of the prefabricated parts, integrally manufactured upright columns, cover beams and even prefabricated part steel reinforcement frameworks need to be integrally lifted and transported to a template for pouring. However, the whole prefabricated component steel reinforcement framework is poor in overall stability, difficult to operate and easy to deform in the hoisting process, so that the prefabricated component steel reinforcement framework is easy to damage, and the quality of the prefabricated component steel reinforcement framework cannot be ensured.
Disclosure of Invention
An object of the utility model is to provide a hoist for prefabricated component steel reinforcement framework integral hoisting, easy operation, safe convenient, the condition such as deformation, structural damage in having avoided the prefabricated component steel reinforcement framework handling.
The purpose of the utility model is realized like this:
the utility model provides a hoist for prefabricated component framework of steel reinforcement integral hoisting, the characteristic is: including hoist truss, lug, chain rigging, wherein:
the lifting appliance truss is composed of an upper chord, two lower chords, a web member connecting device and a plurality of parallel links, wherein the upper chord and the two lower chords are identical in structure and length and are arranged in parallel in an aligned mode, the upper chord positioned above and the two lower chords positioned below form a shape with a cross section in an isosceles triangle shape, the upper chord is positioned above the middle of the plane where the two lower chords are positioned, the parallel links for connecting the two lower chords into a whole are arranged between the two ends and between the middle parts of the two lower chords at intervals, and the web member connecting devices for connecting the upper chord and the lower chord into a whole are arranged between the two ends and between the middle parts of the upper chord and the lower chord;
the left end and the right end of the upper chord are symmetrically provided with a lifting lug from the midpoint;
and a plurality of chain riggings consisting of steel ropes and lifting hooks are uniformly arranged on each lower chord at intervals, the upper ends of the steel ropes are fixed on the lower chords through shackles, and the lifting hooks for connecting a reinforcement cage are fixed at the lower ends of the steel ropes.
The lifting lug is a steel plate with a lifting hole arranged above, a semicircular groove capable of being clamped on the upper chord is arranged in the middle of the lower end of the steel plate, and the steel plate is fixed on the upper chord through the semicircular groove.
The plurality of parallel connection bodies are arranged in a Z shape.
The web member connecting device comprises two end straight web members and a plurality of groups of web member connecting units, wherein one end straight web member which is vertical to the upper chord member and the lower chord member is respectively fixed at the left end and the right end of the upper chord member and the lower chord member, the plurality of groups of web member connecting units are arranged between the end straight web members at the left end and the right end of the upper chord member and the lower chord member, each group of web member connecting units comprises three middle straight web members and two inclined web members, the three middle straight web members which are equidistantly arranged are vertically fixed between the upper chord member and the lower chord member, the upper ends of the two inclined web members are respectively fixed with the top end of the middle straight web member and the connecting part of the upper chord member together, and the lower ends of the two inclined web members are respectively fixed with the connecting part of the bottom end of the middle straight web member and the lower chord member at the side edge of each inclined web member together in an inclined manner; two adjacent groups of web member connecting units share one middle straight web member.
The upper chord member, the lower chord member, the web member connecting device and the parallel connection are all made of steel pipes with different diameters.
The utility model discloses a hoist truss, lug, chain rigging, wherein: the hanger truss is composed of an upper chord member, two lower chord members, a plurality of web members and a plurality of parallel links, wherein the upper chord member and the lower chord members are connected through the web member connecting devices and the parallel links so as to connect the hanger truss into a whole; the lifting lug is a steel plate provided with a lifting hole and is fixedly connected with the upper chord in a full welding way; the chain rigging consists of a steel rope and a lifting hook and is used for connecting the lifting appliance truss with the prefabricated part steel reinforcement framework.
The beneficial effects of the utility model reside in that:
1. the utility model utilizes the arranged hanger truss to lead the whole prefabricated reinforcement framework to be lifted below the hanger truss through the chain rigging, and meanwhile, the hanger truss is lifted and moved by the crane, thus being convenient for transportation, improving the construction efficiency and reducing the construction cost;
2. simple structure, convenient operation, safe and reliable, the atress is clear and definite, easy to assemble and dismantlement.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the connection of the upper chord, the lower chord and the web;
reference numerals: 1, a lifting appliance truss; 1-1 upper chord; 1-2 lower chords; 1-3 web member connecting devices; 1-31 ends of straight web rods; 1-32 middle straight web members; 1-33 diagonal web members; 1-4 parallel connection; 2, lifting lugs; 2-1 steel plate; 2-2, lifting holes; hanging 2-3 semicircular grooves; 3, chain rigging; 3-1 steel rope; 3-2 hook heads.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a hoist for prefabricated component framework of steel reinforcement integral hoisting, the characteristic is: including hoist truss 1, lug 2, chain rigging 3, wherein:
the lifting appliance truss 1 comprises an upper chord 1-1, two lower chords 1-2, web member connecting devices 1-3 and a plurality of parallel links 1-4, wherein the structures and the lengths of the upper chord 1-1 and the two lower chords 1-2 are completely the same and are arranged in parallel in an aligned manner, the interval between the two lower chords 1-2 is 1.2m, the upper chord 1-1 positioned above and the two lower chords 1-2 positioned below jointly form a shape with an isosceles triangle section, the vertical distance between the upper chord 1-1 and the plane where the two lower chords 1-2 are positioned is 1.2m, the parallel links 1-4 with the two lower chords 1-2 connected into a whole are arranged between the two ends and the middle part of the two lower chords 1-2 at intervals, and the web member connecting devices 1-3 for connecting the upper chord 1-1 and the lower chords 1-2 into a whole are arranged between the two ends and the middle part of the upper chord 1-1 and the lower chord 1-2;
the left end and the right end of the upper chord 1-1 are symmetrically provided with a lifting lug 2 from the middle point;
the chain rigging 3 consists of a steel rope 3-1 and a lifting hook 3-2, the upper end of the steel rope 3-1 is fixed on the lower chord 1-2 through a shackle, and the lower end of the steel rope 3-1 is fixed with the lifting hook 3-2 for connecting a prefabricated steel bar framework.
Starting from the left end of the lower chords 1-2 as a starting point, one chain rigging 3 is arranged on each lower chord 1-2 every 1.2m, and 22 chain rigging 3 are arranged on the two lower chords 1-2.
The lifting lug 2 is a steel plate 2-1 provided with a lifting hole 2-2 at the upper part, a semicircular groove 2-3 capable of being clamped on the upper chord 1-1 is arranged in the middle of the lower end of the steel plate 2-1, and the steel plate 2-1 is fixed on the upper chord 1-1 through the semicircular groove 2-3.
The plurality of parallel joints 1-4 are arranged in a Z shape.
The web member connecting device 1-3 comprises two end straight web members 1-31 and a plurality of groups of web member connecting units, wherein the left and right ends of an upper chord member 1-1 and a lower chord member 1-2 are respectively fixed with one end straight web member 1-31 vertical to the upper chord member 1-1 and the lower chord member 1-2, the plurality of groups of web member connecting units are arranged between the end straight web members 1-31 at the left and right ends of the upper chord member 1-1 and the lower chord member 1-2, each group of web member connecting units comprises three middle straight web members 1-32 and two inclined web members 1-33, the three middle straight web members 1-32 arranged at equal intervals are vertically fixed between the upper chord member 1-1 and the lower chord member 1-2, the upper ends of the two inclined web members 1-33 are respectively fixed with the connecting parts of the top ends of the middle straight web members 1-32 and the upper chord member 1-1, and the lower ends of the two inclined web members 1-33 are respectively fixed with the connecting parts of the bottom ends of the middle straight web members 1-32 and the lower chord member 1-2; two adjacent groups of web member connecting units share one middle straight web member 1-32.
The upper chord 1-1, the lower chord 1-2, the web members 1-3 and the parallel connection 1-4 are all made of steel pipes with different diameters.
The using method comprises the following steps:
1. firstly, two identical lower chords 1-2 are arranged in an aligned mode at an interval of 1.2m, one parallel connection 1-4 is welded to one end of each of the two lower chords 1-2, and the two lower chords are sequentially arranged to the other end. Then, fixing the upper chord 1-1 at a position 1.2m above the two lower chords 1-2 and arranging the upper chord 1-1 at the midpoint, and fixing a web member connecting device between the upper chord 1-1 and the lower chord 1-2;
2. then, clamping the semicircular grooves 2-3 in the middle below the steel plates 2-1 of the two lifting lugs 2 on the upper chord 1-1, and fully welding;
3. and finally, fixing the upper end of the steel rope 3-1 on the lower chord 1-2 through a shackle, fixing the lifting hook 3-2 at the lower end of the steel rope 3-1, and lifting 22 lifting hooks 3-2 to the prefabricated member steel reinforcement framework at the same time, so that the prefabricated member steel reinforcement framework can be lifted.
The above is only a preferred and feasible embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and the drawings of the present invention are included in the scope of the present invention.
Claims (4)
1. The utility model provides a hoist for prefabricated component framework of steel reinforcement integral hoisting which characterized in that: including hoist truss, lug, chain rigging, wherein:
the lifting appliance truss is composed of an upper chord, two lower chords, a web member connecting device and a plurality of parallel links, wherein the structures and the lengths of the upper chord and the two lower chords are completely the same and are arranged in parallel in an aligned mode, the upper chord above and the two lower chords below form a shape with a cross section of an isosceles triangle, the upper chord is above the middle of the plane where the two lower chords are located, the parallel links are arranged between the two ends and between the middle of the two lower chords at intervals, the two lower chords are connected into a whole, and the web member connecting devices are arranged between the two ends and between the middle of the upper chord and the lower chord and are used for connecting the upper chord and the lower chord into a whole;
the left end and the right end of the upper chord are symmetrically provided with a lifting lug from the midpoint;
the chain rigging is composed of a steel rope and a lifting hook, the upper end of the steel rope is fixed on the lower chord through a shackle, and the lower end of the steel rope is fixed with the lifting hook used for connecting the prefabricated member steel reinforcement framework.
2. The lifting appliance for integral hoisting of the steel reinforcement framework of the prefabricated part according to claim 1, characterized in that: the lifting lug is a steel plate with a lifting hole arranged above, a semicircular groove capable of being clamped on the upper chord is arranged in the middle of the lower end of the steel plate, and the steel plate is fixed on the upper chord through the semicircular groove.
3. The lifting appliance for integral hoisting of the steel reinforcement framework of the prefabricated part according to claim 1, characterized in that: the plurality of parallel connection bodies are arranged in a Z shape.
4. The lifting appliance for integral hoisting of the steel reinforcement framework of the prefabricated part according to claim 1, characterized in that: the web member connecting device comprises two end straight web members and a plurality of groups of web member connecting units, wherein one end straight web member which is vertical to the upper chord member and the lower chord member is respectively fixed at the left end and the right end of the upper chord member and the lower chord member, the plurality of groups of web member connecting units are arranged between the end straight web members at the left end and the right end of the upper chord member and the lower chord member, each group of web member connecting units comprises three middle straight web members and two inclined web members, the three middle straight web members which are equidistantly arranged are vertically fixed between the upper chord member and the lower chord member, the upper ends of the two inclined web members are respectively fixed with the top end of the middle straight web member and the connecting part of the upper chord member together, and the lower ends of the two inclined web members are respectively fixed with the connecting part of the bottom end of the middle straight web member and the lower chord member at the side edge of each inclined web member together in an inclined manner; two adjacent groups of web member connecting units share one middle straight web member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198961.4U CN217535150U (en) | 2022-05-19 | 2022-05-19 | Lifting appliance for integral hoisting of steel reinforcement framework of prefabricated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198961.4U CN217535150U (en) | 2022-05-19 | 2022-05-19 | Lifting appliance for integral hoisting of steel reinforcement framework of prefabricated part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217535150U true CN217535150U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221198961.4U Active CN217535150U (en) | 2022-05-19 | 2022-05-19 | Lifting appliance for integral hoisting of steel reinforcement framework of prefabricated part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217535150U (en) |
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2022
- 2022-05-19 CN CN202221198961.4U patent/CN217535150U/en active Active
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