CN210176300U - Tail lifting appliance for lifting wind power tower cylinder - Google Patents
Tail lifting appliance for lifting wind power tower cylinder Download PDFInfo
- Publication number
- CN210176300U CN210176300U CN201920452762.3U CN201920452762U CN210176300U CN 210176300 U CN210176300 U CN 210176300U CN 201920452762 U CN201920452762 U CN 201920452762U CN 210176300 U CN210176300 U CN 210176300U
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- 238000005452 bending Methods 0.000 claims abstract description 34
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Wind Motors (AREA)
Abstract
The utility model discloses a tail lifting appliance for lifting a wind power tower cylinder, which comprises a fixed rod, an upper bending lever component, a brace rod, a lower lever component, a lifting hook and an adjusting bolt, wherein one side of the fixed rod is provided with a groove-shaped supporting part for supporting the wind power tower cylinder, the two ends of the fixed rod are respectively hinged to the middle parts of the upper bending lever assembly and the lower lever assembly, the stay bar is parallel to the fixed rod and is positioned at one side opposite to the groove-shaped supporting part, and the two ends of the stay bar are respectively hinged with the end parts of the upper bending lever component and the lower lever component, one end of the upper bending lever component far away from the stay bar is used for installing a lifting sling, one end of the lower lever assembly, which is far away from the stay bar, is connected with a lifting hook below the lower lever assembly, and the lifting hook is connected to any two positions of the tower drum flange through two connecting pieces. The utility model has the advantages of simple structure, convenient operation, reliable performance, high efficiency and the like.
Description
Technical Field
The utility model belongs to the technical field of the technique of large-scale wind generating set tower section of thick bamboo hoist and mount and specifically relates to indicate a afterbody hoist for wind power tower section of thick bamboo hoist and mount.
Background
At present, in the wind power industry, a method of hoisting a tower drum of a large-scale wind generating set by two cranes is adopted in the hoisting process of the tower drum, as shown in fig. 1, each crane respectively hoists two ends of the tower drum, and after the tower drum is lifted off the ground, the upper end of the tower drum continues to be hoisted, and the tail part of the tower drum is not moved until the tower drum is vertical. And then, taking down the tail lifting appliance, and continuously lifting the tower drum for installation. When the method is used for hoisting the tower drum, in order to adapt to the hoisting of each tower drum, generally, round holes with different sizes and distribution circle diameters are formed on the tail hanging plate, as shown in fig. 2. Although the tail hanging plate can meet the requirement of hoisting a tower barrel, the following problems also exist: 1) the tail hanging plate has a huge structure and heavy weight, so that the carrying and installation operations are troublesome; 2) when the tower drum of the ultra-large wind generating set (such as more than 5.0 MW) is hoisted, because the tower drum has large self weight, in order to avoid the deformation of the tower drum and internal parts thereof during hoisting, the tail part of the tower drum is hoisted by adopting a multi-point stress hoisting mode, but the structure of the tail part hoisting plate is larger at the moment, and the tail part hoisting plate is hoisted by 2 points from top to bottom as shown in figure 3; 3) the installation and disassembly processes are complicated and locked, the efficiency is low, and because the tail hanging plate is connected with the tower barrel by bolts and bears the weight of the tower barrel by friction force during the hoisting operation, each bolt needs to be provided with larger torque, the installation and disassembly processes are complicated and the working efficiency is low; 4) the operation seriously violates the safety operation regulations and has serious potential safety hazards, so that the conditions of hook slipping of a crane or breakage of a hanging strip and the like occur in the process, and the consequences are not imaginable; 5) the tool lifting appliance has the advantages that the tool lifting appliance is not universal, the tower drum of the fan with one specification can only be lifted by one set of tail lifting plate, and the lifting appliance for lifting MY2.0MW the tower drum cannot be used for lifting SCD3.0MW the tower drum of the fan, so that the tool lifting appliance is high in cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a simple structure, convenient operation, dependable performance, with low costs, efficient a afterbody hoist that is used for wind power tower cylinder hoist and mount, can adapt to the hoist and mount operation of all wind power tower cylinders (including ordinary type, large-scale and super large-scale wind power tower cylinder).
In order to achieve the above object, the present invention provides a technical solution: a tail lifting appliance for lifting a wind power tower comprises a fixed rod, an upper bending lever assembly, a support rod, a lower lever assembly, a lifting hook and an adjusting bolt, wherein a groove-shaped supporting part for supporting the wind power tower is formed on one side of the fixed rod, the width of a notch of the groove-shaped supporting part is larger than the thickness of a tower flange, so that the tail lifting appliance can adapt to different thicknesses of the tower flange, the adjusting bolt penetrates through the side wall of the groove-shaped supporting part and is abutted against the tower flange for fixing, two ends of the fixed rod are respectively hinged to the middle parts of the upper bending lever assembly and the lower lever assembly, the support rod is parallel to the fixed rod and is positioned on one side opposite to the groove-shaped supporting part, two ends of the support rod are respectively hinged to the end parts of the upper bending lever assembly and the lower lever assembly, and the fixed rod, the lifting device is characterized in that one end, far away from the stay bar, of the upper bending lever assembly is used for installing a lifting strap, one end, far away from the stay bar, of the lower lever assembly is connected with a lifting hook below the upper bending lever assembly, the lifting hook is connected to any two positions of a tower barrel flange through two connecting pieces to form three-point stress, and therefore deformation caused by single-point stress during hoisting of a large tower barrel is avoided.
Furthermore, the number of the adjusting bolts is two, and a tower cylinder flange pressing plate is arranged between the two adjusting bolts and the tower cylinder flange.
Furthermore, the upper bending lever assembly comprises two upper bending levers which are symmetrical to each other, the two ends and the middle part of each upper bending lever are connected through three pin shafts, the top of the fixed rod is hinged between the two upper bending levers through a middle pin shaft, the top of the supporting rod is hinged between the two upper bending levers through a pin shaft at one end, and the lifting sling is connected to the pin shaft at one end, far away from the supporting rod, of each upper bending lever; the lower lever assembly comprises two lower levers which are symmetrical to each other, the two ends and the middle of the two lower levers are connected through three pin shafts, the bottom of the fixed rod is hinged between the two lower levers through a middle pin shaft, the bottom of the supporting rod is hinged between the two lower levers through a pin shaft at one end, and the lifting hook is connected to the pin shaft at one end, far away from the supporting rod, of the two lower levers.
Furthermore, the connecting pieces are mutually connected with the connecting hanging strip and the shackle, and a chain block is further arranged between the connecting hanging strip and the shackle of one connecting piece.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
1. the utility model discloses the commonality is high, with low costs, the hoist and mount of all steel construction tower barrels of the adaptable wind-powered electricity generation trade of this hoist, including the fan tower section of thick bamboo of models such as 1.5MW, 2.0MW, 3.0MW, 3.2MW, 3.6MW, 5.5MW, 6.0MW, 7.0MM, 8MW, afterbody hoist and mount problem when a pair hoist can solve all tower barrels of hoists promptly, traditional afterbody hoist than, the cost is very reduced, and economic benefits is very obvious.
2. The utility model has the advantages of being simple in structure and convenient in operation, the installation and the dismantlement process of whole hoist except two adjusting bolt (these two adjusting bolt with the hand wrench beat tightly can, need not to beat the moment of torsion), all the other parts do not contain any one big bolted connection, more need not beat the moment of torsion, relative tradition afterbody hanger plate, convenient operation, swift, the operating efficiency improves greatly.
3. The utility model discloses a security performance is reliable, because people's life safety is first all the time, because when this hoist is dismantled, the operator stands outside a tower section of thick bamboo, rather than operating below a tower section of thick bamboo, when taking place unexpected circumstances such as crane swift current hook or suspender fracture, can not cause the casualties accident to operator's personal safety has been guaranteed.
Drawings
FIG. 1 is a schematic diagram of a conventional tower crane.
Fig. 2 is a schematic structural diagram of a single-point hoisting tail spreader used in the prior art.
Fig. 3 is a schematic view of a two-point lifting tail spreader used in the prior art.
Fig. 4 is a schematic view of the installation and use of the present invention.
Fig. 5 is a schematic structural diagram of the present invention.
Fig. 6 is a schematic structural view of the fixing rod with the groove-shaped supporting portion according to the present invention.
Fig. 7 is a schematic view of the use condition of the tower of the present invention when the tower starts to hoist.
Fig. 8 is a schematic view of the use condition of the present invention when the tower is inclined.
Fig. 9 is a schematic view of the use condition of the present invention when the tower is vertical.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 4 to 6, the tail lifting appliance for hoisting a wind power tower tube in this embodiment includes a fixing rod 1, an upper bending lever assembly 2, a stay bar 3, a lower lever assembly 4, a hook 5, an adjusting bolt 6 and a tower tube flange pressing plate 7, wherein a groove-shaped supporting portion 11 for supporting the wind power tower tube is formed at one side of the fixing rod 1, and the width of a notch of the groove-shaped supporting portion 11 is larger than the thickness of a tower tube flange, so that the two adjusting bolts 6 can be adapted to different thicknesses of the tower tube flange, the two adjusting bolts 6 penetrate through the side wall of the groove-shaped supporting portion 11 and abut against the tower tube flange for fixing, the tower tube flange pressing plate 7 is further disposed between the two adjusting bolts 6 and the tower tube flange, so that the required width of the tower tube flange can be adjusted according to the thicknesses of tower tube flanges of different models, the upper bending lever, the two ends and the middle part of the two upper bending levers 21 are connected through three pin shafts, the top part of the fixed rod 1 is hinged between the two upper bending levers 21 through a middle pin shaft, the top part of the support rod 3 is hinged between the two upper bending levers 21 through a pin shaft at one end, the lifting sling 9 is connected to the pin shaft at one end of the two upper bending levers 21 far away from the support rod 3, the lower lever assembly 4 comprises two lower levers 41 which are symmetrical to each other, the two ends and the middle part of the two lower levers 41 are connected through three pin shafts, the bottom part of the fixed rod 1 is hinged between the two lower levers 41 through a pin shaft at one end, the bottom part of the support rod 3 is hinged between the two lower levers 41 through a pin shaft at one end, the lifting hook 5 is connected to the pin shaft at one end of the two lower levers 41 far away from the support rod 3, and the fixed rod 1, the upper, each part can rotate around the round pin axle is nimble, lifting hook 5 is connected to the arbitrary two of tower section of thick bamboo flange through two connecting pieces, the connecting piece is interconnect's connection suspender 81 and break out 82, and wherein, still be equipped with chain block 83 between the connection suspender 81 of a connecting piece and the break out 82, whole hoist constitutes three point atress to because of the deformation that the single-point atress produced when having avoided large-scale tower section of thick bamboo to hoist.
After the lifting appliance is assembled, as shown in fig. 4, when in use, a lifting sling 9 or a steel rope is used for lifting a pin shaft at one end of an upper bending lever component 2, referring to fig. 5, a groove-shaped supporting part 11 is used for supporting the inner diameter edge of a tower flange, a chain block 83, a connecting sling 81 and a shackle 82 are used for being connected with two bolt holes below the tower flange, the chain block 83 is tensioned, the fixed rods 1 and 2 shackles 82 are simultaneously stressed, when a crane lifts a hook, the groove-shaped supporting part 11 is made to be in contact with the upper part of the tower flange, the hook is continuously lifted, the fixed rod 1 is blocked by the tower and cannot rise, at the moment, an upper bending lever 21 has a tendency of rotating clockwise (according to the structure shown in fig. 5) around a middle pin shaft, as the mechanism is a parallelogram mechanism, the lifting hook 5 below has a tendency of moving upwards, so that the connecting sling 81 and the chain, the 3 points on the flange of the tower cylinder are always stressed simultaneously, the deformation caused by single-point stress when the large tower cylinder is hoisted is avoided, meanwhile, in order to adapt to different flange diameters, the chain block 83 is adopted to adjust the length of the lower connecting hanging strip 81, in order to be convenient to disassemble, a pull rope (such as a hemp rope, a nylon rope and the like) can be tied on the zipper of the chain block 83 in advance, the use condition of the lifting appliance in the horizontal-inclined-vertical state when the tower cylinder is hoisted by the lifting appliance is shown in figures 7 to 9, finally, when the tower cylinder is completely vertical, the upper bending lever 21 is not stressed, at the moment, an operator can stand outside the tower cylinder to pull the zipper of the chain block 83 by the pull rope first, then the zipper of the chain block 83 is pulled, the lifting appliance can be taken down easily, finally, 2 shackle 82 are taken down, and the operator stands outside the tower cylinder (but below the tower cylinder) in the disassembling process of the whole lifting appliance, thereby eliminating potential safety hazards.
When the lifting device is used for lifting a tower cylinder with a smaller diameter, the tower cylinder is lighter in weight, so that the parts such as the chain block 83, the connecting hanging strip 81, the shackle 82 and the like can be removed, namely, single-point lifting is adopted, and the structure is simpler.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a afterbody hoist for wind power tower cylinder hoist and mount which characterized in that: the lifting device comprises a fixed rod, an upper bending lever component, a support rod, a lower lever component, a lifting hook and an adjusting bolt, wherein a groove-shaped supporting part used for supporting the wind power tower is formed on one side of the fixed rod, the width of a groove opening of the groove-shaped supporting part is larger than the thickness of a tower flange, so that the lifting device can adapt to different thicknesses of the tower flange, the adjusting bolt penetrates through the side wall of the groove-shaped supporting part and abuts against the tower flange to be fixed, two ends of the fixed rod are respectively hinged to the middle parts of the upper bending lever component and the lower lever component, the support rod is parallel to the fixed rod and is positioned on one side opposite to the groove-shaped supporting part, two ends of the support rod are respectively hinged to the end parts of the upper bending lever component and the lower lever component, the fixed rod, the upper bending lever component, the support rod and the lower, one end of the lower lever assembly, which is far away from the stay bar, is connected with the lifting hook below, and the lifting hook is connected to any two positions of the tower drum flange through two connecting pieces to form three-point stress, so that deformation caused by single-point stress during hoisting of a large tower drum is avoided.
2. The tail lifting appliance for lifting the wind power tower drum as claimed in claim 1, wherein: the adjusting bolts are two, and a tower drum flange pressing plate is arranged between the two adjusting bolts and the tower drum flange.
3. The tail lifting appliance for lifting the wind power tower drum as claimed in claim 1, wherein: the upper bending lever assembly comprises two upper bending levers which are symmetrical to each other, the two ends and the middle of the two upper bending levers are connected through three pin shafts, the top of the fixed rod is hinged between the two upper bending levers through a middle pin shaft, the top of the supporting rod is hinged between the two upper bending levers through a pin shaft at one end, and the lifting sling is connected to the pin shaft at one end, far away from the supporting rod, of the two upper bending levers; the lower lever assembly comprises two lower levers which are symmetrical to each other, the two ends and the middle of the two lower levers are connected through three pin shafts, the bottom of the fixed rod is hinged between the two lower levers through a middle pin shaft, the bottom of the supporting rod is hinged between the two lower levers through a pin shaft at one end, and the lifting hook is connected to the pin shaft at one end, far away from the supporting rod, of the two lower levers.
4. The tail lifting appliance for lifting the wind power tower drum as claimed in claim 1, wherein: the connecting pieces are mutually connected with the connecting hanging strip and the shackle, wherein a chain block is further arranged between the connecting hanging strip and the shackle of one connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920452762.3U CN210176300U (en) | 2019-04-04 | 2019-04-04 | Tail lifting appliance for lifting wind power tower cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920452762.3U CN210176300U (en) | 2019-04-04 | 2019-04-04 | Tail lifting appliance for lifting wind power tower cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210176300U true CN210176300U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920452762.3U Withdrawn - After Issue CN210176300U (en) | 2019-04-04 | 2019-04-04 | Tail lifting appliance for lifting wind power tower cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210176300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969929A (en) * | 2019-04-04 | 2019-07-05 | 明阳智慧能源集团股份公司 | A kind of omnipotent tail portion suspender of wind-power tower lifting |
| CN115140640A (en) * | 2021-03-31 | 2022-10-04 | 江苏金风科技有限公司 | Lifting appliance and lifting system |
-
2019
- 2019-04-04 CN CN201920452762.3U patent/CN210176300U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969929A (en) * | 2019-04-04 | 2019-07-05 | 明阳智慧能源集团股份公司 | A kind of omnipotent tail portion suspender of wind-power tower lifting |
| CN109969929B (en) * | 2019-04-04 | 2024-03-15 | 明阳智慧能源集团股份公司 | Universal tail lifting appliance for lifting wind power tower |
| CN115140640A (en) * | 2021-03-31 | 2022-10-04 | 江苏金风科技有限公司 | Lifting appliance and lifting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200324 Effective date of abandoning: 20240315 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200324 Effective date of abandoning: 20240315 |