CN107237451A - The crossbeam set up for high-altitude - Google Patents
The crossbeam set up for high-altitude Download PDFInfo
- Publication number
- CN107237451A CN107237451A CN201710465462.4A CN201710465462A CN107237451A CN 107237451 A CN107237451 A CN 107237451A CN 201710465462 A CN201710465462 A CN 201710465462A CN 107237451 A CN107237451 A CN 107237451A
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- Prior art keywords
- cross
- clamping plate
- beam body
- suspender
- plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of crossbeam set up for high-altitude, including in the cross-beam body of I-steel shape, the cross-beam body includes the wing plate of both sides and the web of centre, and the two ends of the cross-beam body are respectively and fixedly provided with a suspender；The suspender includes journal stirrup and at least two clamping plates, bolt hole is provided with the clamping plate, also include being used for bolted connecting bolt between clamping plate, the compression that the clamping plate leads to connecting bolt offer is clamped on the wing plate of cross-beam body, and the journal stirrup is fixed on any one piece of clamping plate；And two suspenders are fixed on the same wing plate of cross-beam body, the journal stirrup on each suspender is provided with hole for hoist both with respect to the cross-beam body end evagination where each suspender on each journal stirrup.The crossbeam carry out when lifting is installed it is few to the holding time of crane, crossbeam installation effectiveness is high, can strengthen the security of construction.
Description
Technical field
The present invention relates to steel frame technical field, more particularly to a kind of crossbeam set up for high-altitude.
Background technology
With heavy construction increase and long-span beams extensive utilization, lifting be mounted in order to crossbeam install main side
Formula.Because the big weight of existing crossbeam is larger, it is necessary to complete pair with building main body in the air after these transverse beam liftings are in place
Constraint of the crane to it could be removed after connecing, because lifting rope has flexibility, particularly when arm of crane extension elongation is longer, is completed
The skyborne positioning of crossbeam is extremely difficult, therefore the skyborne docking of crossbeam is actually extremely difficult.
Because the docking difficulty of crossbeam is big, this allows for that crossbeam progress upper air installing operation is needed to take for a long time to hang
Car, meanwhile, the extension of upper air installing activity duration also considerably increases the danger of lifting.To sum up, in the prior art for horizontal stroke
The high-altitude of beam is set up, and not only hanging device economy is not high, the longer construction period for being unfavorable for shortening building of required time, together
When also increase the insecurity of architecture construction.
The content of the invention
Set up in the prior art for the high-altitude of crossbeam for set forth above, not only hanging device economy is not high, institute
Take time the longer construction period for being unfavorable for shortening building, while the problem of also increasing the insecurity of construction, the present invention
There is provided a kind of crossbeam set up for high-altitude, the crossbeam is pacified carrying out, crossbeam few to the holding time of crane when lifting is installed
Fill efficiency high, the security of construction can be strengthened.
The crossbeam set up provided by the present invention for high-altitude by following technical essential solves problem：Set up for high-altitude
Crossbeam, including in the cross-beam body of I-steel shape, the cross-beam body includes the wing plate of both sides and the web of centre, the horizontal stroke
The two ends of beam body are respectively and fixedly provided with a suspender；
The suspender includes being provided with bolt hole on journal stirrup and at least two clamping plates, the clamping plate, in addition to for
Bolted connecting bolt between clamping plate, the compression that the clamping plate leads to connecting bolt offer is clamped in the wing plate of cross-beam body
On, the journal stirrup is fixed on any one piece of clamping plate；
And two suspenders are fixed on the same wing plate of cross-beam body, the journal stirrup on each suspender is both with respect to where each suspender
Cross-beam body end evagination, be provided with hole for hoist on each journal stirrup.
Specifically, two suspenders being individually fixed on the different ends of the same wing plate of cross-beam body are being lifted as cross-beam body
During installation, the connector of cross-beam body two ends and crane such as connects lifting rope, directly hangs crane hook.The spiral shell of arrangement above
Keyhole is used to wear connecting bolt, so, clamping plate thereon can be driven to clamp by connecting bolt, to complete suspender and the corresponding wing
The connection of plate, while in transverse beam lifting, the wing plate on cross-beam body for fixed spreader is the upper side wing of cross-beam body.
In this programme, because the journal stirrup on each suspender is both with respect to the cross-beam body end evagination where each suspender, so,
Journal stirrup on above suspender is the equal of the extension of cross-beam body end, so, and the cross-beam body for being provided with above suspender is being hung
During dress, the positioning in building main body can be completed in the following way：Just positioning：Each journal stirrup is placed in by hanging device
In the building main body of cross-beam body position to be connected, now the gravity of crossbeam is held jointly by hanging device and building main body
By；Fine positioning：The position of crossbeam is adjusted by instruments such as drawstring, crowbar, hammers, to cause position and the building of cross-beam body
The installation site matching of the cross-beam body set in main body；Remove hanging device：Remove the connection of hanging device and suspender, crossbeam
Gravity born completely by building main body；Complete connection：Complete the connection of cross-beam body and building main body and disassemble horizontal stroke
Suspender on beam body.As those skilled in the art, above building main body can be the steel for being located at the different ends of crossbeam respectively
Structural upright, concrete column etc..
In above scheme, because hanging device can provide pulling force for cross-beam body during fine positioning, so when operate
Personnel are relatively easy to on cross-beam body applying power to force its to produce displacement, during displacement, due to journal stirrup and building
There is frictional force between owner's body, therefore easily accomplish accurate control to above displacement；After fine positioning is completed and in completion connection
Between, due to support of the cross-beam body in building main body can be completed by suspender, now removable hanging device, so,
It can be prevented effectively from and complete still to take hanging device during connection sets bolt, beneficial to the utilization for improving hanging device
Rate；As noted previously, as being easily able to be accurately positioned using this programme, therefore horizontal stroke can be effectively improved compared to prior art this programme
The efficiency in place of beam, while efficiency of construction is improved, it is to avoid because crossbeam rocking during in place may bring not
Safety factor；Suspender and cross-beam body are bolt type detachable annexation in this programme simultaneously, therefore when removing suspender, are used
This programme can not only realize the recycling of suspender, at the same can avoid such as using welding after cut by the way of bring to crossbeam
Bulk material performance brings influence.
Further technical scheme is：
The suspender implementation of this suspender is installed as a kind of convenience on correspondence wing plate, each suspender includes three pieces of folders
Plate：One piece of first clamping plate and two pieces of second clamping plates, two pieces of second clamping plates difference bolt connections are in the different ends of first clamping plate, and institute
State first clamping plate length be longer than in the width of the wing plate for being connected with clamping plate, first clamping plate respectively with two pieces of second clamping plates
Tie point is located at the not homonymy of cross-beam body respectively；
The first clamping plate is affixed with the lateral surface of corresponding wing plate, and the journal stirrup is both secured to the lateral surface of first clamping plate
On.In this programme, before cross-beam body lifting, first cross-beam body can be kept flat, and the wing plate outside for being connected with suspender
Up, first clamping plate is placed on the lateral surface of correspondence wing plate, then, can complete each the successively from the not homonymy of cross-beam body
The bolt connection at second splint ends different from first clamping plate respectively, i.e., using this programme, suspender install convenient on cross-beam body.Together
Shi Caiyong above scheme, when dismantling suspender, the removal of correspondence clamping plate is not influenceed by cross-beam body weight.
It is to optimize journal stirrup with after the stress and completion crossbeam fine positioning of first clamping plate tie point, conveniently removing hook, lifting rope
Scheme, the hole for hoist on each journal stirrup connects with the end of cross-beam body.
When lifting this crossbeam, to avoid each suspender from being slided on the length direction of cross-beam body, or increase occurs
The difficulty of slip, each second clamping plate is by a connecting bolt and first clamping plate bolt connection, and the side of two connecting bolts
Contacts side surfaces of the face with corresponding wing plate.In this programme, when the unilateral clamping plate of cross-beam body is slided, two connecting bolts
It can mutually constrain to realize the purpose.
To strengthen the non-deformability of second clamping plate, to optimize the stability that suspender is clamped on correspondence wing plate, each second
Clamping plate is provided with wedge shaped reinforcement on the side away from first clamping plate.
To enable the upper second clamping plate of each suspender mutually to constrain, to avoid each suspender in the length direction of cross-beam body
It is upper to slide, or the difficulty that increase is slided, the two ends of the web are provided with breach, and the breach is with being used for
The wing plate being connected with clamping plate connects；
In two pieces of second clamping plates on each suspender, set fluted in one piece of second clamping plate therein, another piece second folder
The projection with matching grooves is provided with plate, two pieces of second clamping plates are described raised embedded after completion and the connection of cross-beam body
In the groove, and the breach when being engaged as two pieces of second clamping plates through web passage.In this programme, corresponding two
Block second clamping plate mutually constrains to reach that the clamping plate for avoiding cross-beam body unilateral is slided or the unilateral clamping plate of increase cross-beam body is slided
Difficulty,, also can be in the one side operation of cross-beam body corresponding the when mounting and dismounting second clamping plate while using this programme
Second splint, to ensure convenience that suspender is installed on cross-beam body.
The invention has the advantages that：
In above scheme, because hanging device can provide pulling force for cross-beam body during fine positioning, so when operate
Personnel are relatively easy to on cross-beam body applying power to force its to produce displacement, during displacement, due to journal stirrup and building
There is frictional force between owner's body, therefore easily accomplish accurate control to above displacement；After fine positioning is completed and in completion connection
Between, due to support of the cross-beam body in building main body can be completed by suspender, now removable hanging device, so,
It can be prevented effectively from and complete still to take hanging device during connection sets bolt, beneficial to the utilization for improving hanging device
Rate；As noted previously, as being easily able to be accurately positioned using this programme, therefore horizontal stroke can be effectively improved compared to prior art this programme
The efficiency in place of beam, while efficiency of construction is improved, it is to avoid because crossbeam rocking during in place may bring not
Safety factor；Suspender and cross-beam body are bolt type detachable annexation in this programme simultaneously, therefore when removing suspender, are used
This programme can not only realize the recycling of suspender, at the same can avoid such as using welding after cut by the way of bring to crossbeam
Bulk material performance brings influence.
Brief description of the drawings
Fig. 1 is the partial structural diagram of crossbeam one specific embodiment of the present invention set up for high-altitude；
Fig. 2 is the side view of crossbeam one specific embodiment of the present invention set up for high-altitude；
Fig. 3 is the specific embodiment that crossbeam one second clamping plate of the present invention set up for high-altitude is mutually constrained
Structural representation；
During Fig. 4 is the specific embodiment of Fig. 3 reflections, the structure of two pieces of second clamping plates and matching relationship signal on same suspender
Figure.
Reference in figure is followed successively by：1st, cross-beam body, 11, wing plate, 12, web, 2, first clamping plate, the 3, second folder
Plate, 4, reinforcement, 5, connecting bolt, 6, journal stirrup, 7, hole for hoist, 8, breach.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As shown in Figures 1 to 4, the crossbeam set up for high-altitude, including in the cross-beam body 1 of I-steel shape, the crossbeam
Body 1 includes the wing plate 11 of both sides and the web 12 of centre, and the two ends of the cross-beam body 1 are respectively and fixedly provided with a suspender；
The suspender includes being provided with bolt hole on journal stirrup 6 and at least two clamping plates, the clamping plate, in addition to for
Bolted connecting bolt 5 between clamping plate, the compression that the clamping plate leads to the offer of connecting bolt 5 is clamped in cross-beam body 1
On wing plate 11, the journal stirrup 6 is fixed on any one piece of clamping plate；
And two suspenders are fixed on the same wing plate 11 of cross-beam body 1, the journal stirrup 6 on each suspender is both with respect to each suspender
Hole for hoist 7 is provided with the end evagination of cross-beam body 1 at place, each journal stirrup 6.
Specifically, two suspenders being individually fixed on the different ends of the same wing plate 11 of cross-beam body 1 exist as cross-beam body 1
When lifting is installed, the connector of the two ends of cross-beam body 1 and crane such as connects lifting rope, directly hangs crane hook.Arrangement above
Bolt hole be used to wear connecting bolt 5, so, clamping plate thereon can be driven to clamp by connecting bolt 5, with complete suspender with
The connection of correspondence wing plate 11, while in transverse beam lifting, the wing plate 11 on cross-beam body 1 for fixed spreader is cross-beam body 1
Upper side wing 11.
In this programme, because the journal stirrup 6 on each suspender is both with respect to the end evagination of cross-beam body 1 where each suspender, this
Journal stirrup 6 on sample, above suspender is the equal of the extension of the end of cross-beam body 1, so, is provided with the cross-beam body of above suspender
1, in lifting, the positioning in building main body can be completed in the following way：Just positioning：By hanging device by each journal stirrup 6
In the building main body for being placed in the position to be connected of cross-beam body 1, now the gravity of crossbeam is by hanging device and building main body
Bear jointly；Fine positioning：The position of crossbeam is adjusted by instruments such as drawstring, crowbar, hammers, to cause the position of cross-beam body 1
The installation site of cross-beam body 1 with being set in building main body is matched；Remove hanging device：Remove hanging device and suspender
Connection, the gravity of crossbeam is born by building main body completely；Complete connection：Complete cross-beam body 1 and the connection of building main body
And disassemble the suspender on cross-beam body 1.As those skilled in the art, above building main body can be located at crossbeam respectively
Steel structural upright column, the concrete column at different ends etc..
In above scheme, due to during fine positioning hanging device can for cross-beam body 1 provide pulling force, so when operate
Personnel are relatively easy to on cross-beam body 1 applying power to force its to produce displacement, during displacement, because journal stirrup 6 is with building
Building between owner's body has frictional force, therefore easily accomplishes accurate control to above displacement；After fine positioning is completed and in the company of completion
Between connecing, due to support of the cross-beam body 1 in building main body can be completed by suspender, now removable hanging device, this
Sample, can be prevented effectively from and complete still to take hanging device during connection sets bolt, beneficial to the profit for improving hanging device
With rate；As noted previously, as being easily able to be accurately positioned using this programme, therefore it can be effectively improved compared to prior art this programme
The efficiency in place of crossbeam, while efficiency of construction is improved, it is to avoid because crossbeam rocks what may be brought during in place
Unsafe factor；Suspender and cross-beam body 1 are bolt type detachable annexation in this programme simultaneously, therefore when removing suspender,
The recycling of suspender can not only be realized using this programme, while pair such as brought by the way of being cut after welding can be avoided
The material property of cross-beam body 1 brings influence.
Embodiment 2：
As shown in Figures 1 to 4, the present embodiment is further qualified on the basis of embodiment 1：It is convenient right as one kind
The suspender implementation that this suspender is installed on wing plate 11 is answered, each suspender includes three pieces of clamping plates：One piece of first clamping plate 2 and two piece
Second splint 3, two pieces of second clamping plates 3 distinguish bolt connection in the different ends of first clamping plate 2, and the length of the first clamping plate 2 is long
It is located at respectively in the tie point on the width of the wing plate 11 for being connected with clamping plate, first clamping plate 2 respectively with two pieces of second clamping plates 3
The not homonymy of cross-beam body 1；
The first clamping plate 2 is affixed with the lateral surface of corresponding wing plate 11, and the journal stirrup 6 is both secured to the outer of first clamping plate 2
On side.In this programme, before the lifting of cross-beam body 1, first cross-beam body 1 can be kept flat, and the wing for being connected with suspender
Up, first clamping plate 2 is placed on the lateral surface of correspondence wing plate 11 in the outside of plate 11, then, can be successively from the difference of cross-beam body 1
Side, completes the bolt connection of each second clamping plate 3 respectively from the different ends of first clamping plate 2, i.e., using this programme, suspender is in cross-beam body
Install convenient on 1.
Embodiment 3：
The present embodiment is further qualified on the basis of the technical scheme that embodiment 2 is provided to this case, as shown in Figure 1 to Figure 4
It is shown, it is to optimize journal stirrup 6 with after the stress and completion crossbeam fine positioning of the tie point of first clamping plate 2, conveniently removing hook, lifting rope,
End of the hole for hoist 7 with cross-beam body 1 on each journal stirrup 6 connects.
When lifting this crossbeam, to avoid each suspender from being slided on the length direction of cross-beam body 1, or increase occurs
The difficulty of slip, each second clamping plate 3 is by a connecting bolt 5 and the bolt connection of first clamping plate 2, and two connecting bolts 5
Contacts side surfaces of the side with corresponding wing plate 11.In this programme, when the unilateral clamping plate of cross-beam body 1 is slided, two
Connecting bolt 5 can mutually constrain to realize the purpose.
To strengthen the non-deformability of second clamping plate 3, to optimize suspender stability for clamping on correspondence wing plate 11, each the
Second splint 3 is provided with wedge shaped reinforcement 4 on the side away from first clamping plate 2.
To enable the upper second clamping plate 3 of each suspender mutually to constrain, to avoid each suspender in the length side of cross-beam body 1
Slide upwards, or the difficulty that increase is slided, the two ends of the web 12 are provided with breach 8, and the breach 8 is equal
Connect with the wing plate 11 for being connected with clamping plate；
In two pieces of second clamping plates 3 on each suspender, set fluted in one piece of second clamping plate 3 therein, another piece second
The projection with matching grooves is provided with clamping plate 3, two pieces of second clamping plates 3 are after completion and the connection of cross-beam body 1, the projection
In the embedded groove, and the breach 8 when being engaged as two pieces of second clamping plates 3 through web 12 passage.In this programme,
The mutually constraint of corresponding two pieces of second clamping plates 3 avoids the clamping plate slip of the one side of cross-beam body 1 or increase cross-beam body 1 single to reach
The difficulty that side clamping plate is slided, while using this programme, also can be in the one side of cross-beam body 1 when mounting and dismounting second clamping plate 3
Corresponding second clamping plate 3 is operated, to ensure convenience that suspender is installed on cross-beam body 1.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.
Claims (6)
1. the crossbeam set up for high-altitude, including in the cross-beam body (1) of I-steel shape, the cross-beam body (1) includes both sides
Wing plate (11) and centre web (12), it is characterised in that the two ends of the cross-beam body (1) are respectively and fixedly provided with a suspender；
The suspender includes being provided with bolt hole on journal stirrup (6) and at least two clamping plates, the clamping plate, in addition to for pressing from both sides
Bolted connecting bolt (5) between plate, the compression that the clamping plate leads to connecting bolt (5) offer is clamped in cross-beam body
(1) on wing plate (11), the journal stirrup (6) is fixed on any one piece of clamping plate；
And two suspenders are fixed on the same wing plate (11) of cross-beam body (1), journal stirrup (6) on each suspender is both with respect to respectively hanging
Hole for hoist (7) is provided with cross-beam body (1) end evagination where tool, each journal stirrup (6).
2. the crossbeam according to claim 1 set up for high-altitude, it is characterised in that each suspender includes three pieces of clamping plates：
One piece of first clamping plate (2) and two pieces of second clamping plates (3), two pieces of second clamping plates (3) respectively bolt connections in first clamping plate (2) no
Length with end, and the first clamping plate (2) is longer than in the width of the wing plate (11) for being connected with clamping plate, first clamping plate (2)
The tie point with two pieces of second clamping plates (3) is located at the not homonymy of cross-beam body (1) respectively respectively；
The first clamping plate (2) is affixed with the lateral surface of corresponding wing plate (11), and the journal stirrup (6) is both secured to first clamping plate (2)
Lateral surface on.
3. the crossbeam according to claim 2 set up for high-altitude, it is characterised in that the hole for hoist (7) on each journal stirrup (6)
End with cross-beam body (1) connects.
4. the crossbeam according to claim 2 set up for high-altitude, it is characterised in that each second clamping plate (3) passes through one
Connecting bolt (5) and first clamping plate (2) bolt connection, and two connecting bolts (5) side with corresponding wing plate (11)
Contacts side surfaces.
5. the crossbeam according to claim 2 set up for high-altitude, it is characterised in that each second clamping plate (3) is away from first
Wedge shaped reinforcement (4) is provided with the side of clamping plate (2).
6. the crossbeam according to claim 2 set up for high-altitude, it is characterised in that the two ends of the web (12) are all provided with
Breach (8) is equipped with, and the breach (8) connects with the wing plate (11) for being connected with clamping plate；
In two pieces of second clamping plates (3) on each suspender, set fluted on one piece of second clamping plate (3) therein, another piece second
The projection with matching grooves is provided with clamping plate (3), two pieces of second clamping plates (3) are after completion and the connection of cross-beam body (1), institute
State in the raised embedded groove, and the breach (8) when being engaged as two pieces of second clamping plates (3) through the logical of web (12)
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465462.4A CN107237451A (en) | 2017-06-19 | 2017-06-19 | The crossbeam set up for high-altitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465462.4A CN107237451A (en) | 2017-06-19 | 2017-06-19 | The crossbeam set up for high-altitude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107237451A true CN107237451A (en) | 2017-10-10 |
Family
ID=59986406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710465462.4A Pending CN107237451A (en) | 2017-06-19 | 2017-06-19 | The crossbeam set up for high-altitude |
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| Country | Link |
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| CN (1) | CN107237451A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2354107A (en) * | 1943-07-16 | 1944-07-18 | Diamond Irving | Beam clamp |
| JPH08245159A (en) * | 1995-03-07 | 1996-09-24 | Misawa Homes Co Ltd | Lifting sling of h-section steel |
| CN202808179U (en) * | 2011-03-29 | 2013-03-20 | 中建钢构有限公司 | Hoisting clamp and hoisting clamp assembly |
| CN103879886A (en) * | 2014-04-08 | 2014-06-25 | 中建钢构有限公司北京分公司 | Steel beam lifting fastening type special clamp |
| CN103879883A (en) * | 2014-04-08 | 2014-06-25 | 中建钢构有限公司北京分公司 | Fastening special clamp for girder hoisting |
| CN204917664U (en) * | 2015-09-28 | 2015-12-30 | 浙江中南建设集团钢结构有限公司 | Repeatedly usable's lifting device |
-
2017
- 2017-06-19 CN CN201710465462.4A patent/CN107237451A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2354107A (en) * | 1943-07-16 | 1944-07-18 | Diamond Irving | Beam clamp |
| JPH08245159A (en) * | 1995-03-07 | 1996-09-24 | Misawa Homes Co Ltd | Lifting sling of h-section steel |
| CN202808179U (en) * | 2011-03-29 | 2013-03-20 | 中建钢构有限公司 | Hoisting clamp and hoisting clamp assembly |
| CN103879886A (en) * | 2014-04-08 | 2014-06-25 | 中建钢构有限公司北京分公司 | Steel beam lifting fastening type special clamp |
| CN103879883A (en) * | 2014-04-08 | 2014-06-25 | 中建钢构有限公司北京分公司 | Fastening special clamp for girder hoisting |
| CN204917664U (en) * | 2015-09-28 | 2015-12-30 | 浙江中南建设集团钢结构有限公司 | Repeatedly usable's lifting device |
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Application publication date: 20171010 |