CN215755917U - Exempt from to open hole girder steel hoisting device - Google Patents
Exempt from to open hole girder steel hoisting device Download PDFInfo
- Publication number
- CN215755917U CN215755917U CN202121220240.4U CN202121220240U CN215755917U CN 215755917 U CN215755917 U CN 215755917U CN 202121220240 U CN202121220240 U CN 202121220240U CN 215755917 U CN215755917 U CN 215755917U
- Authority
- CN
- China
- Prior art keywords
- lifting
- steel beam
- lifting platform
- fixed
- platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model provides a holing-free steel beam lifting device, and belongs to the technical field of steel beam lifting devices. The technical scheme is as follows: a holing-free steel beam lifting device comprises a lifting platform, two pre-fixed steel beams, two lifting lugs, a group of chain blocks and a fixing structure, wherein the two pre-fixed steel beams are positioned on two sides above the lifting platform and are respectively fixed on the bottom surface of a structural floor slab; the end part of the chain block connected with the pre-fixed steel beam is provided with a transverse hoisting clamp. The utility model has the beneficial effects that: the punching-free steel beam lifting device provided by the utility model avoids punching on a structural floor slab, reduces damage to a structure, is quick and efficient in construction, wide in application range, low in construction risk and convenient to use around.
Description
Technical Field
The utility model relates to the technical field of steel beam lifting devices, in particular to a punching-free steel beam lifting device.
Background
In the field construction process, as the temporary support beam needs to be installed according to the design requirement and the steel beam needs to be newly added according to the design change, the existing method needs to open a hole on the installed floor slab, and a lifting device is installed on the floor slab on the upper portion of the newly installed steel beam, so that the problems of low efficiency, large damage area and the like exist.
How to solve the problems in the prior art described above is a problem to be faced by the present invention.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide the opening-free steel beam lifting device which avoids opening holes in a structural floor slab, reduces damage to a structure, is quick and efficient in construction, wide in application range, low in construction risk and convenient to use around.
The utility model is realized by the following measures: a holing-free steel beam lifting device comprises a lifting platform, two pre-fixed steel beams, two groups of lifting lugs, a fixing structure and a chain block, wherein the two pre-fixed steel beams are positioned on two sides above the lifting platform and are respectively fixed on the bottom surface of a structural floor slab; and the end part of the chain block connected with the pre-fixed steel beam is provided with a transverse hoisting clamp.
When the lifting device is used, a steel beam to be lifted is fixed on a lifting platform through a fixing structure, the steel beam to be lifted is located between two groups of lifting lugs, the lifting device is preferable, the longitudinal direction of the steel beam to be lifted is along the longitudinal direction of the lifting platform, the steel beam to be lifted is transferred to the position right below the position to be mounted, one end of a chain block is connected with the lifting lugs, the other end of the chain block is connected with pre-fixed steel beams corresponding to two sides of the position to be mounted through transverse lifting tongs, damage to a base material of the pre-fixed steel beams is reduced, lifting of the lifting platform can be achieved by controlling the chain block, lifting operation of the steel beam to be lifted is achieved, auxiliary lifting is achieved by means of the pre-fixed steel beams ingeniously, punching on a structural floor is avoided, damage to the structure is reduced, construction is fast and efficient, multiple working procedures such as punching, hole patching and related procedures are omitted, and the chain block and the transverse lifting tongs are the prior art, and are not repeated.
Furthermore, when the length of the steel beam to be lifted is long, the lifting platforms can be arranged at the head end and the tail end of the steel beam, so that the lifting operation is stable, and the safety of the lifting operation is ensured.
The steel beam to be lifted can be clamped on two sides of the adjusting joint by the connecting bolt, referring to the attached drawing 1, the position of the steel beam to be lifted on the lifting platform can be adjusted according to requirements, namely the steel beam to be lifted is moved along the adjusting joint in a loose state of the connecting bolt, and then the steel beam is fastened at a proper position, so that the operation is convenient, and the application range is wide.
The steel beam to be lifted is fixed on the top surface of the convex part in the middle of the shape of the Chinese character ji, and the two groups of lifting lugs are correspondingly arranged at the lower parts of the two sides of the Chinese character ji, so that the initial position of the steel beam to be lifted is higher, the lifting height required to be lifted and the angle of a lifting point of a clamp are reduced, the construction risk is reduced, and in addition, the lifting height can be prevented from being influenced by the too close distance between the two pre-fixed steel beams, and the steel beam to be lifted is not lifted in place.
The lifting platform is characterized in that a plurality of universal wheels are arranged on the bottom surface of the lifting platform, so that the lifting platform is convenient to transfer and use in a turnover manner, and when the cross section of the lifting platform is in a shape like a Chinese character ji, the universal wheels are positioned on the bottom surfaces of lower parts on two sides of the Chinese character ji, so that the layout is reasonable.
The utility model has the beneficial effects that: the utility model skillfully utilizes the pre-fixed steel beam to carry out auxiliary lifting, avoids forming holes on the structural floor slab, reduces the damage to the structure, has quick construction and high efficiency, saves the processes of forming holes, repairing holes and related multiple processes, and has quick construction and high efficiency; the utility model can adjust the position of the steel beam to be lifted on the lifting platform according to the requirement, and has convenient operation and wide application range; the lifting platform with the cross section in the shape of a Chinese character ji is arranged, so that the initial position of the steel beam to be lifted is higher, the height to be lifted and the lifting point angle of the clamp are reduced, the construction risk is reduced, and meanwhile, the lifting height is prevented from being influenced by the too close distance between the two pre-fixed steel beams, and the steel beam to be lifted is not lifted in place; the universal wheels are arranged, so that the lifting platform is convenient to transfer, and the turnover use is convenient.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention.
Wherein the reference numerals are: 1. a structural floor slab; 2. pre-fixing a steel beam; 3. transversely hoisting lifting tongs; 4. chain rewinding; 5. a connecting bolt; 6. lifting lugs; 7. a universal wheel; 8. a lifting platform; 81. and (6) adjusting the seam.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1-2, the present invention is: a steel beam lifting device without punching comprises a lifting platform 8, two pre-fixed steel beams 2 which are positioned on two sides above the lifting platform 8 and are respectively fixed on the bottom surface of a structural floor slab 1, two groups of lifting lugs 6 which are correspondingly arranged on two sides of the top surface of the lifting platform 8 and respectively correspond to the two pre-fixed steel beams 2 one by one, a group of chain blocks 4 and a fixed structure arranged on the lifting platform 8, wherein one group of chain blocks 4 is respectively arranged between each group of lifting lugs 6 and the corresponding pre-fixed steel beam 2; the end part of the chain block 4 connected with the pre-fixed steel beam 2 is provided with a transverse hoisting clamp 3, preferably, each side is respectively provided with two lifting lugs which are made of Q345B and have the aperture of 40 mm.
When in use, the steel beam to be lifted is fixed on the lifting platform 8 through the fixing structure and is positioned between the two groups of lifting lugs 6, preferably, the longitudinal direction of the steel beam to be lifted is along the longitudinal direction of the lifting platform 8, and the lifting platform is transferred to the position right below the position to be installed, one end of a chain block 4 is connected with a lifting lug 6, the other end of the chain block is connected with the pre-fixed steel beams 2 corresponding to the two sides of the position to be installed through a transverse hoisting clamp 3, the damage to the base metal of the pre-fixed steel beams 2 is reduced, the lifting platform 8 can be lifted by controlling the chain block 4, namely, the lifting operation of the steel beam to be lifted is realized, the pre-fixed steel beam 2 is skillfully utilized for auxiliary lifting, the hole opening on the structural floor slab 1 is avoided, the damage to the structure is reduced, and the construction is swift, efficient, saves and opens the hole, mends the hole and relevant multichannel process, and chain block, horizontal hoisting tongs are prior art, and it is no longer repeated here.
Further, when the length of the steel beam to be lifted is long, the lifting platforms 8 can be arranged at the head end and the tail end of the steel beam respectively, the lifting operation is stable, and the safety of the lifting operation is guaranteed.
The concrete characteristics of the utility model are also that the fixed structure comprises two adjusting seams 81 which are arranged on the lifting platform 8 and transversely penetrate through the top and bottom surfaces of the lifting platform, and two groups of connecting bolts 5 which are respectively in one-to-one correspondence with the two adjusting seams 81, preferably, the connecting bolts are large hexagon bolts with M24, performance level of 10.9 and length of 400mm, when in use, the steel beam to be lifted is placed on the lifting platform 8 and pressed in the middle of the adjusting seams 81, and the connecting bolts 5 can clamp the steel beam to be lifted on both sides of the connecting bolts, referring to the attached drawing 1, the position of the steel beam to be lifted on the lifting platform 8 can be adjusted according to requirements, namely, the steel beam to be lifted is moved along the adjusting seams 81 when the connecting bolts 5 are in a loose state, and then the steel beam to be lifted is fastened at a proper position, so that the operation is convenient and the application range is wide.
The steel beam hoisting device is characterized in that the cross section of the hoisting platform 8 is in a shape like a Chinese character ji, when the steel beam hoisting device is used, a steel beam to be hoisted is fixed on the top surface of a protruding part in the middle of the shape like the Chinese character ji, and the two groups of lifting lugs 6 are correspondingly arranged at the lower parts of the two sides of the shape like the Chinese character ji, so that the initial position of the steel beam to be hoisted is higher, the hoisting height required to be hoisted and the hoisting point angle of a clamp are reduced, the construction risk is reduced, and in addition, the situation that the hoisting height is influenced by the too close distance between the two pre-fixed steel beams 2 can be prevented, and the steel beam to be hoisted is not in place.
The lifting platform is characterized in that the bottom surface of the lifting platform 8 is provided with a plurality of universal wheels 7, the lifting platform 8 is convenient to transfer, the turnover use is convenient, when the cross section of the lifting platform 8 is shaped like a Chinese character ji, the universal wheels 7 are positioned on the bottom surfaces of the lower parts of two sides of the Chinese character ji, the layout is reasonable, and further, the universal wheels 7 are in a detachable mode and are flexible to use.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (5)
1. The punching-free steel beam lifting device is characterized by comprising a lifting platform (8), two pre-fixed steel beams (2) which are positioned on two sides above the lifting platform (8) and respectively fixed on the bottom surface of a structural floor slab (1), two groups of lifting lugs (6) which are correspondingly arranged on two sides of the top surface of the lifting platform (8) and respectively correspond to the two pre-fixed steel beams (2) one by one, a group of chain blocks (4) which are respectively arranged between each group of lifting lugs (6) and the corresponding pre-fixed steel beams (2), and a fixed structure which is arranged on the lifting platform (8); the end part of the chain block (4) connected with the pre-fixed steel beam (2) is provided with a transverse hoisting clamp (3).
2. A holistic girder hoisting device as claimed in claim 1, wherein the fixing structure comprises a plurality of adjustment slits (81) opened in the hoisting platform (8) and penetrating both top and bottom surfaces thereof, and a plurality of sets of connection pins (5) corresponding to the plurality of adjustment slits (81) one to one.
3. A hole-free steel beam hoisting device according to claim 1 or 2, wherein the cross-sectional shape of the hoisting platform (8) is "a few".
4. A holistic steel girder lifting device as claimed in claim 1 or 2, characterized in that the bottom of the lifting platform (8) is provided with a plurality of universal wheels (7).
5. A steel beam lifting device without opening a hole according to claim 3, characterized in that, a plurality of universal wheels (7) are respectively arranged on two sides of the bottom surface of the lifting platform (8) correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220240.4U CN215755917U (en) | 2021-06-02 | 2021-06-02 | Exempt from to open hole girder steel hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220240.4U CN215755917U (en) | 2021-06-02 | 2021-06-02 | Exempt from to open hole girder steel hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215755917U true CN215755917U (en) | 2022-02-08 |
Family
ID=80099009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121220240.4U Active CN215755917U (en) | 2021-06-02 | 2021-06-02 | Exempt from to open hole girder steel hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215755917U (en) |
-
2021
- 2021-06-02 CN CN202121220240.4U patent/CN215755917U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105544396A (en) | Steel arc distributive girder structure of rod type bracket for cast-in-place arch bridge and construction method | |
| CN215755917U (en) | Exempt from to open hole girder steel hoisting device | |
| CN217555572U (en) | Combined type hoisting device for I-shaped steel beam | |
| CN215592333U (en) | Multi-adaptability double-guide-beam bridge crane lifting appliance device with adjustable hole pitch | |
| CN214834922U (en) | Super-long-distance transportation device for roof color steel plates | |
| CN212866801U (en) | A cascaded platform for inclined plane or curved surface construction | |
| CN211974467U (en) | Supporting device | |
| CN204151665U (en) | A kind of cable-stayed type opens trestle | |
| CN213387377U (en) | Assembled steel case roof beam hoist | |
| CN215164727U (en) | Lifting device for installing steel box girder cantilever | |
| CN212924151U (en) | Crane protective structure device | |
| CN212025945U (en) | Walking type full-rotation beam erecting crane for steel bridge with upper-bearing type steel truss girder structure | |
| CN215925687U (en) | Steel case roof beam butt joint levelling device | |
| CN215326393U (en) | Roof plate hoisting truss | |
| CN215164725U (en) | A design arc plank sheathing bearing structure for cast-in-place box girder of bridge | |
| CN110886190A (en) | Port roof pressure adjusting device and steel box girder cable-stayed bridge | |
| CN212193742U (en) | Concrete cutting platform | |
| CN217601209U (en) | Steel case roof beam concatenation levelling device | |
| CN219860068U (en) | Special lifting appliance applied to lifting of steel structure modules | |
| CN213626574U (en) | Detachable operation platform on lattice beam | |
| CN212893471U (en) | Lifting appliance for T-shaped beam template | |
| CN217869992U (en) | Steel truss girder lower chord member connecting operation platform | |
| CN218479556U (en) | Can have enough to meet need cloth machine operation platform device | |
| CN213740624U (en) | Bridge deck mounting structure | |
| CN217458425U (en) | Lifting appliance for lifting bridge deck concrete baffle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |