CN101913531A - Lifting appliance for large-tonnage concrete blocks and fixing method thereof - Google Patents
Lifting appliance for large-tonnage concrete blocks and fixing method thereof Download PDFInfo
- Publication number
- CN101913531A CN101913531A CN 201010249327 CN201010249327A CN101913531A CN 101913531 A CN101913531 A CN 101913531A CN 201010249327 CN201010249327 CN 201010249327 CN 201010249327 A CN201010249327 A CN 201010249327A CN 101913531 A CN101913531 A CN 101913531A
- Authority
- CN
- China
- Prior art keywords
- suspender
- hole
- concrete blocks
- lifting appliance
- steel rope
- 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.)
- Granted
Links
Images
Landscapes
- Revetment (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a lifting appliance for large-tonnage concrete blocks and a fixing method thereof, which can solve the problems of difficult operation and poor safety reliability of a lifting appliance existing in the prior art. Besides, when concrete blocks increase, the diameter of a steel wire rope must be increased because the lifting appliance in the prior art is only provided with one through hole. Thereby, the weight of the lifting appliance is increased. The lifting appliance for large-tonnage concrete blocks comprises a lifting appliance body and a lifting leg, wherein the upper part of the lifting appliance body is provided with at least two through holes which are axially and evenly distributed along the lifting appliance body in an interlaced way. When large-tonnage concrete blocks are lifted, the through holes are wound by a steel wire rope and are evenly loaded by a plurality of steel wire ropes by axially and evenly distributing at least two through holes on the lifting appliance body in an interlaced way. Thus, the diameter of each steel wire rope can be decreased and the weight of the lifting appliance can be decreased to realize safe construction, convenient operation and low manufacture cost. Therefore, the working efficiency of a ship group for the whole lifting ships can be improved.
Description
Technical field
The present invention relates to lifting tool, relate in particular to and realize safely, lift by crane reliably the suspender of large-tonnage concrete blocks and the fixing means of suspender in the Wharf Construction.
Background technology
In Wharf Construction, during the lifting concrete blocks, suspender is behind its suspender through hole of steel wire penetrating, two end buttons by steel rope hang on the gib head of crane ship, then under the effect of the suspender handle that is positioned at the suspender top and is welded as a whole with it, the Kongzui of hanging oneself that hangs pin process concrete blocks of suspender is buckled in the following lifting hole(eyelet) of concrete blocks eventually, realizes lifting under the draw of crane ship.
In the prior art, as shown in Figure 1, the suspender 1 of handling concrete blocks comprises suspender body 11 and hangs pin 12, only be provided with a suspender through hole 2 on the suspender body 11, pass this suspender through hole 2 by steel cable 3, detain respectively on the suspension hook that hangs over crane ship two terminations of this steel rope 3, lifts then.Continuous increase along with the Wharf Construction tonnage, concrete blocks weight is also continuing to increase, owing to only have a suspender through hole, and lift by crane by steel cable, in order to realize safety in production, the diameter of steel rope must strengthen, then the sectional dimension of concrete blocks lifting hole(eyelet) also will strengthen, therefore bring following problem: 1, wirerope diameter increases, the lifting radius of turn increases, just need lengthening suspender suspension rod, the lengthening suspension rod causes the increasing of suspender weight to increase diver's work difficulty of operation under water again; 2, after the lifting hole(eyelet) size strengthened, the concrete square bulk strength was damaged, and lifting hole(eyelet) inwall bottom concrete pressure increases, and is unfavorable to safety; 3, wirerope diameter increases, and the lifting radius of turn increases, and steel rope is run into the rotational resistance that has increased suspender behind the lifting hole(eyelet) inwall in lifting hole(eyelet), and making the diver load and unload suspender has under water increased difficulty; 4, wirerope diameter increases, and the lifting radius of turn increases, and makes friction force increase in the lifting hole(eyelet) of steel rope on concrete blocks, and steel rope is easy to wear.Simultaneously, because Wharf Construction place, generally of strong winds and high waves, when appliance for large-tonnage concrete blocks is fixed on the suspension hook of crane ship, one end button of steel rope is hung over an end of suspension hook, because suspender only has a suspender through hole, steel rope can only simply wear, be after the other end of steel rope passes the suspender through hole, this end directly again button hang on the other end of suspension hook, then suspender fixing built on the sand, under this of strong winds and high waves environment of harbour during the handling concrete blocks, be easy under the effect of harbour stormy waves, produce and rock, cause potential safety hazard.
Summary of the invention
The invention provides a kind of appliance for large-tonnage concrete blocks, the suspender that can solve the prior art existence is only established a suspender through hole, makes when concrete blocks increases, wirerope diameter must strengthen, cause suspender weight to strengthen operating difficulties, the problem of safe reliability difference.
In order to reach above-mentioned technical purpose, the present invention is achieved by the following technical solutions:
A kind of appliance for large-tonnage concrete blocks comprises suspender body and hang pin, and described suspender upper part of body has the suspender through hole, and described suspender through hole is at least 2, each described suspender through hole along described suspender body shaft to evenly being interspersed.
Aforesaid suspender, for the time infringement steel rope that prevents that hoisting wirerope from passing the suspender through hole, described suspender through hole is a U-shaped.
Aforesaid suspender, the diameter range of described suspender through hole are 50～80mm.
Aforesaid suspender, described suspender through hole along described suspender body shaft to height difference range be 70～100mm.
Aforesaid suspender, the friction drag when rotating for reducing the following lifting hole(eyelet) bottom of suspender on concrete blocks, the described foot plate surface center of hanging has projection.
Preferably, described projection is truncated conical shape.
Aforesaid suspender, for reducing the friction drag that hangs the following lifting hole(eyelet) perisporium on pin and the concrete blocks of suspender, arc transition is adopted in described perisporium end of hanging pin.
The present invention also provides a kind of fixing means based on above-mentioned appliance for large-tonnage concrete blocks, comprises the steps:
The one termination I button of a, steel rope hangs on the end A that treats fixed parts;
Relative another termination II of b, steel rope walks around the relative the other end B that treats fixed parts after passing a minimum suspender through hole of position on the described suspender body;
After the termination II of c, steel rope walks around the end B that treats fixed parts, pass in time low second the suspender through hole in position from the described suspender body;
D, steel rope termination II button hangs on the end A that treats fixed parts;
After e, steel rope termination II circulated successively and pass other suspender through hole, button hung on the end A or end B that treats fixed parts at last.
Compared with prior art, the present invention has following advantage and good effect:
1, appliance for large-tonnage concrete blocks of the present invention, be set to along the suspender body shaft at least 2 that evenly are interspersed by the suspender through hole on the suspender body, can be when lifting large-tonnage concrete blocks, one end button of steel rope is hung over an end of the suspension hook of lifting ship, after only the other end of steel rope need being passed each suspender through hole successively, detain on a certain end in the two ends that hang over suspension hook, then suspender will evenly be carried by at least four sections steel ropes, pass by steel cable with an existing suspender through hole and to establish the back and compare wirerope diameter by two sections steel ropes carryings and can dwindle greatly, thereby reduce suspender weight, be convenient to operation, low cost of manufacture has improved the work efficiency of whole lifting ship ship group.
2, the fixing means of appliance for large-tonnage concrete blocks proposed by the invention, hang over an end of the suspension hook that lifts by crane ship by an end button after with steel rope, its other end is passed each suspender through hole successively, last this end button hangs on a certain end in the two ends of suspension hook, since the suspender through hole along the suspender body shaft to evenly being interspersed, then final suspender can repeatedly be twined by steel rope, thereby firmly is fixed on the suspension hook of crane ship, and is safe and reliable.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the working state structure scheme drawing of concrete blocks suspender in the prior art;
Fig. 2 is the structural front view of an embodiment of appliance for large-tonnage concrete blocks of the present invention;
Fig. 3 is the structure left view of an embodiment of appliance for large-tonnage concrete blocks of the present invention;
Fig. 4 is working state structure (semi-sictional view) scheme drawing of an embodiment of appliance for large-tonnage concrete blocks of the present invention;
Among the figure, 1, suspender; 11, suspender main body; 12, hang pin; 2, suspender through hole; 21, go up the suspender through hole; 22, following suspender through hole; 3, steel rope; 4, suspension hook; 5, concrete blocks; 51, go up lifting hole(eyelet); 52, following lifting hole(eyelet); 6, suspender handle; 7, projection; 8, lifting hole(eyelet) box.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Extremely shown in Figure 4 as Fig. 2, present embodiment appliance for large-tonnage concrete blocks 1 comprises suspender body 11 and hangs pin 12 that the top of suspender body 11 has suspender through hole 2, suspender through hole 2 is at least 2, each suspender through hole 2 axially evenly being interspersed along suspender body 11.
Particularly, in the concrete use of present embodiment appliance for large-tonnage concrete blocks, with 2 the suspender through holes 2 that evenly are interspersed vertically on its suspender body 11 is example, promptly go up suspender through hole 21 and following suspender through hole 22, the two axial upper and lower position along suspender body 11 evenly is interspersed, and it is vertical mutually with the plane at following suspender through hole 22 places promptly to go up suspender through hole 21.Then when lifting, suspender 1, steel rope 3 and crane ship (not shown) are used, owing to be provided with two suspender through holes 2, then the termination I of steel rope 3 button hangs over the A end for the treatment of fixed parts, be the A end of the suspension hook 4 of crane ship, termination II passes down suspender through hole 22, and after walking around the B end of suspension hook 4, this end passes in last suspender through hole 21, and button hangs over the A end of suspension hook 4.Button is hung can adopt simple setting fastening mode or alternate manner, and present embodiment is not done concrete restriction to this.
This fixing means of suspender 1, promptly wear the method for steel rope 3, steel rope 3 is twined twice between suspension hook 4 and suspender 1 back and forth, suspender 1 is freely worn between suspension hook 4 and suspender 1 through steel rope 3 behind lift heavy and is reached balance, four sections steel ropes are evenly carried, lift concrete blocks 5 then.If two above suspender through holes 2, then steel rope termination II passes other each suspender through hole successively, final button hangs over the A end or the B end of suspension hook 4, because suspender through hole 2 axially evenly is interspersed along suspender body 11, then final suspender 1 can repeatedly be twined by steel rope, thereby firmly be fixed on the suspension hook of crane ship, safe and reliable.
During lifting concrete blocks 5, two groups of lifting hole(eyelet)s generally are set on concrete blocks 5, by two suspender synchronization jobs, diver operation is positioned at suspender 1 top and makes the last lifting hole(eyelet) 51 that pin 12 is aimed at concrete blocks that hangs of suspender 1 bottom with the suspender handle 6 that suspender body 11 is welded as a whole, the long limit that keeps hanging pin 12 and following lifting hole(eyelet) 52 to grow the mouth direction consistent, the diver commands the crane ship off the hook, allow and hang pin 12 and enter down lifting hole(eyelet) 52 bottoms by last lifting hole(eyelet) 51, the diver makes 6 rotations of suspender handle for 90 ° and hangs the opening part that pin 12 is stuck in down lifting hole(eyelet) 52, after commanded hook again, determine to command crane ship to stop hook when suspender 1 is fixed on down in the lifting hole(eyelet) 52, commander's crane ship lifted by crane concrete blocks 5 after the diver transferred to perch.When unloading concrete blocks 5, crane ship plays and begins off the hook after suspender 1 and concrete blocks 5 move to the destination, when concrete blocks 5 has just been fallen the bottom (on crane ship, feeling), crane ship stops off the hook, the diver transfers near the concrete blocks 5, commander's crane ship is in place concrete blocks 5 exactly, the diver transfers to the hand steered suspender handle 6 in concrete blocks 5 tops, commander's crane ship continues off the hook, when the diver can rotate suspender handle 6, commander's crane ship stops off the hook, and suspender handle 6 is rotated 90 °, and commander's crane ship plays hook.
The present embodiment appliance for large-tonnage concrete blocks, be set to along the suspender body shaft at least 2 that evenly are interspersed by the suspender through hole on the suspender body, then when the identical large-tonnage concrete blocks of lifting, compare existing suspender through hole, after steel cable wears a plurality of suspender through holes, the final even stand under load of multistage steel rope that forms, then under same load, can reduce the diameter of steel rope greatly, thereby the radius of gyration of suspender is dwindled, alleviate suspender weight, be convenient to operation, low cost of manufacture, simultaneously the radius of gyration of suspender dwindles the lifting hole(eyelet) sectional dimension is dwindled, and is highly beneficial near the concrete pressure the lifting hole(eyelet).
Based on technique scheme, optionally, wearing and tearing when preventing that hoisting wirerope 3 from passing suspender through hole 2, last suspender through hole 21 is the U-shaped through hole with following suspender through hole 22.
Particularly, last suspender through hole 21 and following suspender through hole 22 can pass through processes such as boring, bore hole, add man-hour, on suspender main body 11, mold earlier horizontal straight hole, on the direction vertical, mold the two side holes of U-shaped through hole then with horizontal straight hole, and two side holes is communicated with horizontal straight hole, finally forming the U-shaped through hole, i.e. the requirement of perforate is that steel rope 3 is circular-arc with position that last suspender through hole 21 contacts with following suspender through hole 22 when stressed.
Based on technique scheme, in the tonnage scope of the large-tonnage concrete blocks 5 that generally uses, the diameter range of last suspender through hole 21 and following suspender through hole 22 is that 50～80mm is advisable, and its diameter is decided according to calculation of strength by the concrete tonnage of the concrete blocks 5 that is lifted by crane.It is example that present embodiment is 300 tons with the tonnage that lifts by crane concrete blocks 5, under the prerequisite that guarantees safe lifting, according to calculation of strength and check, definite diameter of going up suspender through hole 21 and following suspender through hole 22 is 54mm, and the used single wire rope of concrete blocks of 200 tons of tonnages of lifting in the prior art, its diameter just reaches 65mm, has then reduced the diameter of steel rope greatly.
Based on technique scheme, in the tonnage scope of the large-tonnage concrete blocks 5 that generally uses, last suspender through hole 21 and following suspender through hole 22 are that 70～100mm is advisable along suspender main body 1 axial height difference Δ h scope, this height difference also is to be decided according to calculation of strength by the concrete tonnage of the concrete blocks 5 that is lifted by crane, and satisfies the shear strength and the diameter requirement of steel rope simultaneously.
Based on technique scheme, optionally, when lifting for reducing suspender, the friction drag when hanging the following lifting hole(eyelet) 51 bottoms rotation of pin on concrete blocks 5, the bottom center place of hanging pin 12 has projection 7.
The present embodiment appliance for large-tonnage concrete blocks, suspender hang pin aim at concrete blocks on after lifting hole(eyelet) enters and finally enters down in the lifting hole(eyelet), hang pin can be in rotation under the effect of the suspender handle that is welded as a whole with the suspender body in case its long checkpost in lifting hole(eyelet) down.By hanging projection is set on the foot plate surface at it, when then hanging the pin rotation, its contact surface with following lifting hole(eyelet) only is the projection bottom surface, area of contact reduces greatly, thereby hanging the friction drag of pin when the lifting hole(eyelet) bottom rotates down reduces greatly, greatly facilitate the workmen and operate the suspender handle, improved operating efficiency.
Based on technique scheme, projection 7 is preferably truncated conical shape, and round table-like projection 7 is easy to process, does not have sharp-pointed seamed edge simultaneously, clashing and breaking concrete blocks 5 when having avoided lifting.
For reducing to hang the friction drag of following lifting hole(eyelet) 51 place lifting hole(eyelet) box 8 perisporiums on pin 12 and the concrete blocks 5, hang the perisporium end of pin 12 and adopt arc transition.Wherein, lifting hole(eyelet) box 8 is pre-buried in concrete blocks, is used to form down lifting hole(eyelet).
The present embodiment appliance for large-tonnage concrete blocks, adopt arc transition by the perisporium end that will hang pin, when then hanging the pin rotation, reduced to hang the friction drag of pin and following lifting hole(eyelet) place lifting hole(eyelet) box perisporium, greatly facilitate the workmen and operate the suspender handle, improved operating efficiency.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. appliance for large-tonnage concrete blocks comprises the suspender body and hangs pin that described suspender upper part of body has the suspender through hole, it is characterized in that, described suspender through hole is at least 2, along described suspender body shaft to evenly being interspersed.
2. suspender according to claim 1 is characterized in that, described suspender through hole is a U-shaped.
3. suspender according to claim 2 is characterized in that, the diameter range of described suspender through hole is 50～80mm.
4. suspender according to claim 3 is characterized in that, described suspender through hole along described suspender body shaft to height difference range be 70～100mm.
5. suspender according to claim 1 is characterized in that, the described foot plate surface center of hanging has projection.
6. suspender according to claim 5 is characterized in that described projection is truncated conical shape.
7. suspender according to claim 6 is characterized in that, arc transition is adopted in described perisporium end of hanging pin.
8. the fixing means based on the described appliance for large-tonnage concrete blocks of claim 1 to 7 is characterized in that, fixedly the comprising the steps: of described appliance for large-tonnage concrete blocks
The one termination I button of a, steel rope hangs on the end A that treats fixed parts;
Relative another termination II of b, steel rope walks around the relative the other end B that treats fixed parts after passing a minimum suspender through hole of position on the described suspender body;
After the termination II of c, steel rope walks around the end B that treats fixed parts, pass in time low second the suspender through hole in position from the described suspender body;
D, steel rope termination II button hangs on the end A that treats fixed parts;
After e, steel rope termination II circulated successively and pass other suspender through hole, last steel rope termination II button hung on the end A or end B that treats fixed parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102493274A CN101913531B (en) | 2010-08-05 | 2010-08-05 | Lifting appliance for large-tonnage concrete blocks and fixing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102493274A CN101913531B (en) | 2010-08-05 | 2010-08-05 | Lifting appliance for large-tonnage concrete blocks and fixing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101913531A true CN101913531A (en) | 2010-12-15 |
| CN101913531B CN101913531B (en) | 2012-07-25 |
Family
ID=43321219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102493274A Active CN101913531B (en) | 2010-08-05 | 2010-08-05 | Lifting appliance for large-tonnage concrete blocks and fixing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101913531B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517866A (en) * | 2011-03-18 | 2014-01-15 | 费佛控股有限公司及有限合伙公司 | Load suspension means |
| CN104627812A (en) * | 2015-02-14 | 2015-05-20 | 合肥誉联信息科技有限公司 | Simple grappling mechanism |
| CN105119190A (en) * | 2015-08-27 | 2015-12-02 | 国家电网公司 | Self-locking type ceramic sheet type insulator lifting rack |
| CN105119189A (en) * | 2015-08-27 | 2015-12-02 | 国家电网公司 | Super-long ceramic sheet type insulator chain lifting frame |
| CN107445053A (en) * | 2017-09-15 | 2017-12-08 | 锦萧建筑科技有限公司 | Suspender |
| CN107539875A (en) * | 2017-10-19 | 2018-01-05 | 张家港凯航通力船用设备有限公司 | A kind of suspender of steel structure member with holes |
| CN109055754A (en) * | 2018-08-08 | 2018-12-21 | 中国二十冶集团有限公司 | Zinc pot leakage zinc leaks to the recovery method of draining trench |
| CN111877194A (en) * | 2020-09-08 | 2020-11-03 | 浙江世润建创科技发展有限公司 | Manufacturing and using method of splicing clamp for new and old bridges |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9320407U1 (en) * | 1992-12-31 | 1994-06-23 | Weidner, Georg, 97854 Steinfeld | Coupling device for a transport anchor in a precast concrete part |
| WO2007073108A1 (en) * | 2005-12-22 | 2007-06-28 | Il Do Chang | Coupling apparatus for moving concrete structure |
| JP4137531B2 (en) * | 1999-07-05 | 2008-08-20 | 株式会社日栄商事 | Concrete product lifting equipment |
| CN201161871Y (en) * | 2007-12-21 | 2008-12-10 | 宝山钢铁股份有限公司 | Special sling for replacing blade of scissor machine |
| CN201817192U (en) * | 2010-08-05 | 2011-05-04 | 中建筑港集团有限公司 | Large-tonnage concrete block lifting appliance |
-
2010
- 2010-08-05 CN CN2010102493274A patent/CN101913531B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9320407U1 (en) * | 1992-12-31 | 1994-06-23 | Weidner, Georg, 97854 Steinfeld | Coupling device for a transport anchor in a precast concrete part |
| JP4137531B2 (en) * | 1999-07-05 | 2008-08-20 | 株式会社日栄商事 | Concrete product lifting equipment |
| WO2007073108A1 (en) * | 2005-12-22 | 2007-06-28 | Il Do Chang | Coupling apparatus for moving concrete structure |
| CN201161871Y (en) * | 2007-12-21 | 2008-12-10 | 宝山钢铁股份有限公司 | Special sling for replacing blade of scissor machine |
| CN201817192U (en) * | 2010-08-05 | 2011-05-04 | 中建筑港集团有限公司 | Large-tonnage concrete block lifting appliance |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517866A (en) * | 2011-03-18 | 2014-01-15 | 费佛控股有限公司及有限合伙公司 | Load suspension means |
| CN103517866B (en) * | 2011-03-18 | 2016-03-30 | 费佛控股有限公司及有限合伙公司 | Suspension apparatus |
| CN104627812A (en) * | 2015-02-14 | 2015-05-20 | 合肥誉联信息科技有限公司 | Simple grappling mechanism |
| CN105119190A (en) * | 2015-08-27 | 2015-12-02 | 国家电网公司 | Self-locking type ceramic sheet type insulator lifting rack |
| CN105119189A (en) * | 2015-08-27 | 2015-12-02 | 国家电网公司 | Super-long ceramic sheet type insulator chain lifting frame |
| CN107445053A (en) * | 2017-09-15 | 2017-12-08 | 锦萧建筑科技有限公司 | Suspender |
| CN107539875A (en) * | 2017-10-19 | 2018-01-05 | 张家港凯航通力船用设备有限公司 | A kind of suspender of steel structure member with holes |
| CN107539875B (en) * | 2017-10-19 | 2024-04-19 | 张家港凯航通力船用设备有限公司 | Lifting appliance for steel structural member with holes |
| CN109055754A (en) * | 2018-08-08 | 2018-12-21 | 中国二十冶集团有限公司 | Zinc pot leakage zinc leaks to the recovery method of draining trench |
| CN111877194A (en) * | 2020-09-08 | 2020-11-03 | 浙江世润建创科技发展有限公司 | Manufacturing and using method of splicing clamp for new and old bridges |
| CN111877194B (en) * | 2020-09-08 | 2022-05-27 | 浙江世润建创科技发展有限公司 | Manufacturing and using method of splicing clamp for new and old bridges |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101913531B (en) | 2012-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101913531B (en) | Lifting appliance for large-tonnage concrete blocks and fixing method thereof | |
| CN201817192U (en) | Large-tonnage concrete block lifting appliance | |
| CN101357736B (en) | Method for hoisting and turning over large articles using frame crane | |
| CN108163694A (en) | A kind of body section hanging method with hatch coaming | |
| CN109775565A (en) | A kind of large-diameter pile single hook turns over piling method under water | |
| CN100567129C (en) | A kind of hoisting device for loop wheel machine | |
| CN108946475B (en) | Overturning and hoisting system and method for horizontal equipment | |
| CN206927497U (en) | A kind of suspension hook protection device about rope jumping | |
| CN202030434U (en) | Large-span whole-section hoisting sling for steel box girder | |
| CN204342257U (en) | A kind of large-scale component turning device | |
| CN109835807A (en) | The unmanned draw off gear and implementation method of floating body are carried in automatic positioning | |
| CN209583430U (en) | A kind of loop wheel machine | |
| CN102556850A (en) | Hoisting adjusting device and component hoisting method | |
| CN107010534B (en) | It is a kind of can Automatic-clamping article friction hoisting sling | |
| CN206569904U (en) | A kind of suspender for lifting steel plate | |
| CN102530717B (en) | Lifting appliance | |
| CN205170157U (en) | Turn round king's block handling instrument | |
| CN110963407B (en) | Hoisting and overturning method for square pyramid equipment | |
| CN104724623A (en) | Marine movable sundry lifting appliance | |
| CN210418892U (en) | Hoisting tool for steel pipe for ship | |
| CN201941944U (en) | Integral building hoisting lug | |
| CN203653145U (en) | Mobile sundry hoist for ship | |
| CN203319500U (en) | Reinforcing cage abutting-joint adjusting device | |
| CN103264953B (en) | Butt-joint adjusting device of steel bar cage | |
| CN205687389U (en) | A kind of slipping tail suspension rod for the lifting of tower kind equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |