CN202967862U - Lifting appliance for beam channel reinforcement cage - Google Patents
Lifting appliance for beam channel reinforcement cage Download PDFInfo
- Publication number
- CN202967862U CN202967862U CN2012205994325U CN201220599432U CN202967862U CN 202967862 U CN202967862 U CN 202967862U CN 2012205994325 U CN2012205994325 U CN 2012205994325U CN 201220599432 U CN201220599432 U CN 201220599432U CN 202967862 U CN202967862 U CN 202967862U
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- lifting
- girder
- girders
- suspension centre
- suspension
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Abstract
The utility model discloses a lifting appliance for a beam channel reinforcement cage. The lifting appliance comprises girders at two sides, wherein a connecting truss is arranged between the girders at two sides, distributive girders are arranged on the girders, main lifting points are arranged above the girders and are connected with a main lifting steel rope, web lifting points are longitudinally arranged below the girders, bottom plate lifting points are transversely arranged below the distributive girders, the web lifting points and the bottom plate lifting points comprise lifting rings and lifting cables, common lifting hooks are arranged at one ends of the lifting cables, and guide chains of sheep-horn grab hooks are arranged at the other ends of the lifting cables. Therefore, the problems of simplifying the lifting point binding method, reducing the deformation of the reinforcement cage in a lifting process and increasing the construction efficiency are solved. The lifting appliance has the characteristics of convenience in use, simplicity in operation, and convenience in processing and maintaining.
Description
Technical field
The utility model relates to a kind of channel-section rail framework of steel reinforcement suspender, particularly a kind of post stressed concrete freely-supported channel-section rail framework of steel reinforcement suspender.
Background technology
In recent years, develop rapidly along with high speed railway construction, China is obtaining remarkable achievement aspect the railroad bridge prefabricating technique, especially aspect the tie with reinforcing bar and lifting of the whole opening prefabricated bridge of large-tonnage, formed a fairly perfect technical system of cover, wherein the overall binding of steel bar framework of box beam and hoisting technology, be most widely used in the passenger dedicated railway line simple supported box beam prefabricated construction that builds and building.Existing box girder integral formula suspender has Stability Analysis of Structures, recycles the rate advantages of higher, its shortcoming is steel rope colligation troublesome poeration, and consistent because guaranteeing every lifting rope length, easily cause each suspension centre unbalance stress, finally cause beam body framework of steel reinforcement local deformation larger, thereby reduce framework of steel reinforcement lifting quality.
Enforcement along with China's strategy to develop western regions, high speed railway construction is already fully under way, be to reduce the multiple strong wind weather in this area to the impact of railway transportation, adopted in destructive force extremely strong Bai Lifeng district a kind of with windproof structure and agent structure combine together design the bridge structure form---15.9m is across prestressed concrete freely-supported channel-section rail.The design of this channel-section rail adopts web perpendicular to the version of base plate, and cross-sectional plane is the U font, and web is provided with windproof built-in fitting outside, makes in construction side template could to install after beam body framework of steel reinforcement hoisted in position and fixes.Therefore, the excessive side template that will certainly cause of channel-section rail reinforcing bar local deformation is installed and the built-in fitting location difficulty, thereby also can greatly reduce its construction quality and work efficiency.Work capacity is maximum in construction link, the most loaded down with trivial details, the used time is the longest, belongs to the important construction link of precast beam in the colligation of precast beam reinforced bar skeleton.Tie with reinforcing bar is as the important procedure of precast beam construction, and its colligation quality and speed are restricting the construction speed of in-situ precast beam.Therefore, the design and construction quality of steel bar binding clamping fixture is most important.
The utility model content
Its purpose of the utility model just is to provide a kind of channel-section rail framework of steel reinforcement suspender, simplifies the suspension centre binding method, reduces the deflection of framework of steel reinforcement in hoisting process, improves the problem of construction efficiency thereby solved.Have easy to use, simple to operate, be convenient to the characteristics of processing and safeguarding.
The technical scheme that realizes above-mentioned purpose and take, comprise the both sides girder, be provided with truss frame for connecting between the girder of described both sides, described girder is provided with distribution beam, is provided with main suspension centre above girder, and main suspension centre connects the main steel rope that hangs, described girder below vertically is provided with the web suspension centre, described distribution beam below laterally is provided with the base plate suspension centre, and described web suspension centre and base plate suspension centre comprise suspension ring and hoist cable, and described hoist cable one end is that ordinary lifting hook, the other end are the guide chain of goat's horn grapple.
Compared with prior art the utlity model has following advantage.
The actual proof of using adopts the utility model lifting channel-section rail framework of steel reinforcement, not only can effectively improve the lifting of beam body reinforcing bar and template installation rate, can also effectively guarantee beam body built-in fitting accuracy of positioning, has greatly improved channel-section rail prefabricated construction quality and work efficiency.The utility model is easy to use, simple to operate, be convenient to processing and safeguard, is the preferred unit of post stressed concrete single supported beam beam body framework of steel reinforcement lifting construction from now on.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is this apparatus structure schematic front view.
Fig. 2 is this apparatus structure diagrammatic top view.
Fig. 3 is this apparatus structure diagrammatic side view.
The specific embodiment
Comprise both sides girder N1, as shown in Figure 1, 2, 3, be provided with truss frame for connecting N3 between described both sides girder N1, described girder N1 is provided with distribution beam N2, is provided with main suspension centre N4 above girder, and main suspension centre N4 connects the main steel rope N5 that hangs, described girder N1 below vertically is provided with the web suspension centre, described distribution beam N2 below laterally is provided with the base plate suspension centre, and described web suspension centre and base plate suspension centre comprise suspension ring N6 and hoist cable N7, and described hoist cable N7 one end is that ordinary lifting hook, the other end are the guide chain of goat's horn grapple.
Described main suspension centre N4 is arranged on girder N1, and every girder N1 is provided with 4,2, every end, and two main suspension centre N4 of the every same end of girder N1 establish 1 master and hang steel rope N5, and described girder N1 vertically arranges 14 web suspension centres in the below.
Described distribution beam N2 is horizontal to be taken in twice girder N1 top, longitudinally arranges 14 roads, 2 base plate suspension centres of per pass distribution beam N2 below lateral arrangement.
Embodiment, in design of the present utility model, by girder being arranged at the web center, cancel the version that distribution beam is chosen outward, and to adopt an end be that ordinary lifting hook, the other end are that the guide chain of goat's horn grapple replaces steel rope, realized that sling length regulates arbitrarily, guaranteed that effectively each suspension centre is stressed evenly.
1, structure
The utility model mainly by girder N1, distribution beam N2, truss frame for connecting N3, main suspension centre N4, the master hangs steel rope N5, suspension ring N6, hoist cable N7(one end is that ordinary lifting hook, the other end are the guide chain of goat's horn grapple) etc. form, its structure sees Fig. 1, Fig. 2 for details.
The twice girder is separately positioned on two coxostermum lateral centre, form integral structure by truss frame for connecting between girder, distribution beam is horizontal takes in twice girder top, longitudinally arrange 14 roads, per pass girder top is provided with four road master's suspension centres (two, every end), two main suspension centres of same end are established 1 master and are hung steel rope, and whole suspender is established altogether 4 masters and hung steel rope, whole suspender can be sling by steel rope being hung on the gauntry crane suspension hook.14 web suspension centres are vertically arranged in per pass girder below, 2 base plate suspension centres of per pass distribution beam below lateral arrangement, web and base plate suspension centre form by suspension ring and hoist cable, it is that ordinary lifting hook, the other end are the guide chain of goat's horn grapple that hoist cable adopts an end, during lifting operation, first ordinary lifting hook is hung on suspension ring, after then the other end being walked around beam body master muscle and being regulated sling length as required, then its end goat's horn is hung on guide chain with fixing sling length.
2, using method
(1) master at suspender two ends is hung on the suspension hook that steel rope is hung on respectively two gauntrys crane, utilize gauntry crane with suspender winch to steel bar binding clamping fixture directly over, and keep suitable distance with framework of steel reinforcement.
(2) put down hoist cable, hoist cable is naturally drooped.
(3) hoist cable end goat's horn grapple is walked around beam body master muscle, after the tension guide chain, the goat's horn grapple is hung on guide chain.
(4) repeat the program of (3), until the hoist cable installation in position of whole suspension centres.
(5) utilize two gauntrys crane that framework of steel reinforcement is lifted installation in position to the bed die.
3, application notice
In the prefabricated process of whole channel-section rail, the frequency of utilization of suspender is higher, that its hoist cable guide chain and suspension ring are in for a long time is stressed-lax circulation in, easily produce tired, should notice in use procedure checking whether suspension ring solder joint and guide chain chain link have cracking phenomena, and add and think and safeguard and change.
4, method for making and principle of work
The utility model is mainly hung steel rope N5, suspension ring N6, hoist cable N7 etc. and is formed by girder N1, distribution beam N2, truss frame for connecting N3, main suspension centre N4, master, and its structure sees Fig. 1, Fig. 2 for details.
Girder N1, distribution beam N2, truss frame for connecting N3 all adopt section steel manufacture, be welded into by design drawing girder N1, distribution beam N2, truss frame for connecting N3 are welded into integral body, main suspension centre N4 adopts the thick steel plate of 40mm to process and be welded on girder, the main pulling force calculative determination (the utility model master hangs steel rope and selects 6 * 37-28.0-170-I type) that bears when steel rope N5 selects diameter according to main suspension centre work that hangs, suspension ring adopt φ 20 round steel to bend moulding and are welded on each suspension centre place.It is that ordinary lifting hook, the other end are the guide chain of goat's horn grapple that hoist cable N7 adopts an end.
The twice girder is separately positioned on two coxostermum lateral centre, form integral structure by truss frame for connecting between girder, distribution beam is horizontal takes in twice girder top, longitudinally arrange 14 roads, per pass girder top is provided with four road master's suspension centres (two, every end), two main suspension centres of same end are established 1 master and are hung steel rope, and whole suspender is established altogether 4 masters and hung steel rope, whole suspender can be sling by steel rope being hung on the gauntry crane suspension hook.14 web suspension centres are vertically arranged in per pass girder below, 2 base plate suspension centres of per pass distribution beam below lateral arrangement, web and base plate suspension centre form by suspension ring and hoist cable, it is that ordinary lifting hook, the other end are the guide chain of goat's horn grapple that hoist cable adopts an end, during lifting operation, first ordinary lifting hook is hung on suspension ring, after then the other end being walked around beam body master muscle and being regulated sling length as required, then its end goat's horn is hung on guide chain with fixing sling length.
5, utilize the utility model to carry out the control step of beam body framework of steel reinforcement lifting operation
(1) master at suspender two ends is hung on the suspension hook that steel rope is hung on respectively two gauntrys crane, utilize gauntry crane with suspender winch to steel bar binding clamping fixture directly over, and keep suitable distance with framework of steel reinforcement;
(2) put down hoist cable, hoist cable is naturally drooped;
(3) hoist cable end goat's horn grapple is walked around beam body master muscle, after the tension guide chain, the goat's horn grapple is hung on guide chain;
(4) repeat the program of (3), until the hoist cable installation in position of whole suspension centres;
(5) utilize two gauntrys crane that framework of steel reinforcement is lifted installation in position to the bed die.
Claims (3)
1. channel-section rail framework of steel reinforcement suspender, comprise both sides girder (N1), it is characterized in that, be provided with truss frame for connecting (N3) between described both sides girders (N1), described girder (N1) is provided with distribution beam (N2), the girder top is provided with main suspension centre (N4), main suspension centre (N4) connects the main steel rope (N5) that hangs, described girder (N1) below vertically is provided with the web suspension centre, described distribution beam (N2) below laterally is provided with the base plate suspension centre, described web suspension centre and base plate suspension centre comprise suspension ring (N6) and hoist cable (N7), described hoist cable (N7) end is ordinary lifting hook, the other end is the guide chain of goat's horn grapple.
2. a kind of channel-section rail framework of steel reinforcement suspender according to claim 1, it is characterized in that, described main suspension centre (N4) is arranged on girder (N1), every girder (N1) is provided with 4,2, every end, two main suspension centres (N4) of the same end of every girder (N1) are established 1 master and are hung steel rope (N5), 14 web suspension centres of the vertical layout in described girder (N1) below.
3. a kind of channel-section rail framework of steel reinforcement suspender according to claim 1 and 2, is characterized in that, described distribution beam (N2) is horizontal takes in twice girder (N1) top, longitudinally arranges 14 roads, 2 base plate suspension centres of per pass distribution beam (N2) below lateral arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205994325U CN202967862U (en) | 2012-11-14 | 2012-11-14 | Lifting appliance for beam channel reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205994325U CN202967862U (en) | 2012-11-14 | 2012-11-14 | Lifting appliance for beam channel reinforcement cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202967862U true CN202967862U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205994325U Expired - Fee Related CN202967862U (en) | 2012-11-14 | 2012-11-14 | Lifting appliance for beam channel reinforcement cage |
Country Status (1)
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|---|---|
| CN (1) | CN202967862U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444774A (en) * | 2014-12-03 | 2015-03-25 | 舟山长宏国际船舶修造有限公司 | 40-ton cabin module lifting bracket |
| CN110092288A (en) * | 2019-06-05 | 2019-08-06 | 上海建工四建集团有限公司 | Multilayer shear force wall reinforcing steel bar skeleton Lift-on/Lift-off System |
| CN114772429A (en) * | 2022-05-09 | 2022-07-22 | 常州市新创智能科技有限公司 | Web demolding and hoisting tool and demolding and hoisting method |
-
2012
- 2012-11-14 CN CN2012205994325U patent/CN202967862U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444774A (en) * | 2014-12-03 | 2015-03-25 | 舟山长宏国际船舶修造有限公司 | 40-ton cabin module lifting bracket |
| CN110092288A (en) * | 2019-06-05 | 2019-08-06 | 上海建工四建集团有限公司 | Multilayer shear force wall reinforcing steel bar skeleton Lift-on/Lift-off System |
| CN110092288B (en) * | 2019-06-05 | 2024-01-09 | 上海建工四建集团有限公司 | Multi-layer shear wall reinforcement cage hoisting system |
| CN114772429A (en) * | 2022-05-09 | 2022-07-22 | 常州市新创智能科技有限公司 | Web demolding and hoisting tool and demolding and hoisting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131114 |