CN221235189U - Large-diameter tower tube turning device - Google Patents
Large-diameter tower tube turning device Download PDFInfo
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- CN221235189U CN221235189U CN202322539562.0U CN202322539562U CN221235189U CN 221235189 U CN221235189 U CN 221235189U CN 202322539562 U CN202322539562 U CN 202322539562U CN 221235189 U CN221235189 U CN 221235189U
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- turnover frame
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- 230000007306 turnover Effects 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 19
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 19
- 241001330002 Bambuseae Species 0.000 claims description 19
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 19
- 239000011425 bamboo Substances 0.000 claims description 19
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a large-diameter tower turnover device, which comprises a rest frame (2) for supporting the middle part of a tower body when the tower (12) is in a horizontal state, a turnover frame (1) for supporting the bottom end of the tower (12) and rotating around a turnover axis along with the tower (12), wherein a follow-up supporting mechanism is also arranged on the turnover frame (1), and comprises a rotating arm (3) which is rotatably arranged on the turnover frame (1) by taking the turnover axis of the turnover frame (1) as a rotation center, a supporting part (4) which is arranged at the outer end of the rotating arm (3) and is propped against the bottom surface of the tower (12), and a supporting seat (5) which is arranged on a base of the turnover frame (1); the support cylinder (6) is hinged between the support part (4) and the support seat (5). The tower drum overturning device has the advantages of high overturning efficiency, good overturning stability and high safety.
Description
Technical Field
The utility model relates to a large-diameter tower overturning device, and belongs to the technical field of tower hoisting.
Background
As offshore wind power evolves into the deep ocean, larger megawatt generator sets gradually appear, with accompanying thicker, longer, heavier towers. The tower is in a lying state when passing through the transport ship to the installation ship, and the tower needs to be turned over in the process of installing the wind generating set, namely the tower is turned over from a parallel state to a vertical state and then is installed. The turning operation is generally to install the bottom end of the tower barrel on the turning device, the crane lifts the top end of the tower barrel, and the tower barrel rotates around the rotation axis of the bottom turning device to realize the conversion from a horizontal state to a vertical state. Because the weight, the volume and the length of the tower are large, the factors of the offshore construction operation environment are complex, and the problem that how to improve the turnover efficiency of the tower and ensure the hoisting safety is needed to be solved.
Chinese patent CN209853584U discloses a tower turnover device, which uses a threaded mounting hole at the bottom of the tower to be mounted on an arc block with a turnover shaft, so that the tower rotates around the turnover shaft to realize turnover operation. Because the tower section of thick bamboo weight is great, needs turning device to provide great holding power, simultaneously in the upset in-process, its stress state can also constantly change, consequently the bolt that tower section of thick bamboo bottom and arc piece are connected causes the damage to the screw thread mounting hole of tower section of thick bamboo bottom easily.
Chinese patent application CN116409739a discloses a rotatory equipment of standing up of marine major diameter tower section of thick bamboo, utilizes tower section of thick bamboo support mount to carry out centre gripping support to tower section of thick bamboo bottom outer disc, can use single loop wheel machine hoist and mount to stand up, has avoided bolted connection to cause the damage of tower section of thick bamboo bolt hole, has improved tower section of thick bamboo hoist and mount efficiency. Because the tower section of thick bamboo is from 0~ 90's upset in-process, tower section of thick bamboo bottom turning device's holding power and the pulling force of top loop wheel machine are in constantly changing, and when tower section of thick bamboo focus passed through the axle center of turning device rotation round pin axle, the loop wheel machine can suddenly additionally bear the pulling force that prevents that the tower section of thick bamboo from toppling over forward (tower section of thick bamboo focus surpasses the fulcrum, leads to the upset, and the hoist gib head can prevent the dead weight upset of tower section of thick bamboo to cause the gib head wire rope to the hoist to cause the impact), causes system stress state to produce great fluctuation, and when upset speed is faster, causes the impact to hoist gib head and relevant part, has the potential safety hazard.
Therefore, a large-diameter tower tube turning device with high turning efficiency, good turning stability and high safety is needed.
Disclosure of Invention
The utility model aims to overcome the defects and provide the large-diameter tower tube turning device with high turning efficiency, good turning stability and high safety.
The purpose of the utility model is realized in the following way:
A large-diameter tower turnover device comprises a shelf for supporting the middle part of a tower body when the tower is in a horizontal state, and a turnover frame for supporting the bottom end of the tower and rotating around a turnover axis along with the tower; the turnover frame is also provided with a follow-up supporting mechanism, and comprises a rotating arm which is rotatably arranged on the turnover frame by taking the turnover axis of the turnover frame as a rotation center, a supporting part which is arranged at the outer end of the rotating arm and is propped against the bottom surface of the tower barrel, and a supporting seat which is arranged on the base of the turnover frame; and the support cylinder is hinged between the support part and the support seat.
Further, the roll-over stand and the shelf are respectively provided with a self-adaptive clamping mechanism, so that towers with different diameters are automatically adapted to clamp and support the towers.
Further, the self-adaptive clamping mechanism comprises clamping blocks symmetrically arranged on the roll-over stand or the rest stand in a rotating mode, and tension springs are connected between the roll-over stand or the rest stand and the clamping blocks.
Further, a polyurethane backing plate buffer layer is arranged on the supporting surface of the clamping block.
Further, a return oil cylinder is hinged between the turnover beam of the turnover frame and the turnover frame base.
Further, the supporting part is a portal frame, and telescopic extension frames are arranged at two ends of the portal frame.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the follow-up supporting mechanism is arranged on the turnover device, and the bottom of the tower barrel is supported in a follow-up way by utilizing the supporting part which rotates coaxially with the tower barrel, so that the bottom supporting force is provided for the turnover process of the tower barrel in real time, and the turnover of the tower barrel is more stable, faster and safer; the crane can be used for protecting the crane to a certain extent.
Drawings
FIG. 1 is a schematic structural view of a large diameter tower turnover device according to the present utility model.
Fig. 2 is a schematic view of a structure of a rest of a turning device for a large-diameter tower.
Fig. 3 is a schematic diagram showing the working state of a roll-over stand of the large-diameter tower turnover device.
Fig. 4 is a schematic diagram showing the working state of a roll-over stand of a large-diameter tower turnover device.
Fig. 5 is a schematic view of a support portion extension frame of a large diameter tower turnover device according to the present utility model.
Wherein:
The turnover frame 1, the rest frame 2, the rotating arm 3, the supporting part 4, the supporting seat 5, the supporting cylinder 6, the clamping block 7, the tension spring 8, the turnover beam 9, the return cylinder 10, the extension frame 11 and the tower 12.
Detailed Description
Referring to fig. 1-4, the large-diameter tower turnover device provided by the utility model comprises a rest 2 for supporting the middle part of a tower 12 when the tower 12 is in a horizontal state, and a turnover frame 1 for supporting the bottom end of the tower 12 and rotating around a turnover axis along with the tower 12;
The turnover frame 1 and the rest 2 are respectively provided with a self-adaptive clamping mechanism which can automatically adapt to tower barrels 12 with different diameters and clamp and support the tower barrels 12, the self-adaptive clamping mechanisms comprise clamping blocks 7 symmetrically and rotatably arranged on the turnover frame 1 or the rest 2, and tension springs 8 are connected between the outer sides of the turnover frame 1 or the rest 2 and the clamping blocks 7; when the tower 12 is placed on the roll-over stand 1 or the rest stand 2, the rotary clamping blocks 7 can automatically attach to the outer surface of the tower 12, and in order to prevent the clamping blocks 7 from being in hard contact with the outer surface of the tower 12 and damaging the tower 12, a polyurethane backing plate buffer layer is arranged on the supporting surface of the clamping blocks 7;
A return oil cylinder 10 is hinged between the turnover beam 9 of the turnover frame 1 and the base of the turnover frame 1, so that the turnover beam 9 is ensured to turn along the tower 12 in real time, and the return oil cylinders 10 are symmetrically arranged; the turnover frame 1 is also provided with a follow-up supporting mechanism, and comprises a rotating arm 3 which is rotatably arranged on the turnover frame 1 by taking the turnover axis of the turnover frame 1 as a rotation center, a portal frame type supporting part 4 which is arranged at the outer end of the rotating arm 3 and is propped against the bottom surface of the tower 12, and a supporting seat 5 which is arranged on the base of the turnover frame 1; a support oil cylinder 6 is hinged between the support part 4 and the support seat 5, and the support oil cylinder 6 is symmetrically arranged in two sets; the two ends of the supporting part 4 are provided with telescopic extension frames 11, when the diameter of the tower 12 is large, the extension frames 11 can extend out to ensure the contact support of the supporting part to the tower 12.
When the tower drum 12 is turned over, the tower drum 12 is firstly placed on the turning frame 1 and the rest frame 2, wherein the bottom of the tower drum 12 is positioned on the turning frame 1, the outer circular surface of the bottom end of the tower drum 12 is supported and clamped by the clamping blocks 7 on the turning frame 1, and the middle part of the tower drum 12 is supported and clamped by the clamping blocks 7 on the rest frame 2; the top end of the tower barrel 12 is gradually lifted by using a single crane, the middle part of the tower barrel 12 is separated from the rest frame 2, the bottom of the tower barrel 12 is controlled by the turning beam 9 on the turning frame 1 through the return oil cylinder 10 to turn along with the tower barrel 12, and the clamping block 7 and the turning beam 9 play a role in synchronously supporting the bottom end of the tower barrel 12; when the gravity center of the tower 12 passes over the overturning axle center, the support cylinder 6 controls the portal frame of the support part 4 to prop against the bottom surface of the tower 12 and to overturn to a vertical state along with the tower 12, and bottom support is continuously provided, so that instability caused by fluctuation of the stress state of the overturning system in the later period of overturning is compensated, and safety is ensured. Under the support of the double hydraulic systems of the return oil cylinder 10 and the support oil cylinder 6, the whole overturning process of the tower 12 from 0-90 degrees is supported and protected, the overturning stability is high, the safety is good, the stroke speed of the return oil cylinder 10 and the support oil cylinder 6 is controlled, the overturning speed can be conveniently regulated, and the overturning efficiency of the sleeve 12 can be effectively improved.
In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.
Claims (6)
1. The utility model provides a major diameter tower section of thick bamboo turnover device, contains rest (2) at section of thick bamboo middle part when being used for supporting tower section of thick bamboo (12) horizontality, supports tower section of thick bamboo (12) bottom and follows tower section of thick bamboo (12) around upset axle center pivoted roll-over stand (1), its characterized in that: the turnover frame (1) is also provided with a follow-up supporting mechanism, and comprises a rotating arm (3) which is rotatably arranged on the turnover frame (1) by taking a turnover shaft center of the turnover frame (1) as a rotation center, a supporting part (4) which is arranged at the outer end of the rotating arm (3) and is in propping contact with the bottom surface of the tower drum (12), and a supporting seat (5) which is arranged on a base of the turnover frame (1); the support cylinder (6) is hinged between the support part (4) and the support seat (5).
2. The large diameter tower turn-over device according to claim 1, wherein: the turnover frame (1) and the shelving frame (2) are respectively provided with a self-adaptive clamping mechanism, and the self-adaptive clamping mechanisms are automatically adapted to tower drums (12) with different diameters to clamp and support the tower drums (12).
3. The large diameter tower turn-over device according to claim 2, wherein: the self-adaptive clamping mechanism comprises clamping blocks (7) symmetrically arranged on the roll-over stand (1) or the rest stand (2) in a rotating mode, and tension springs (8) are connected between the roll-over stand (1) or the rest stand (2) and the clamping blocks (7).
4. A large diameter tower turn-over device according to claim 3, wherein: and a polyurethane backing plate buffer layer is arranged on the supporting surface of the clamping block (7).
5. The large diameter tower turn-over device according to claim 1, wherein: a return oil cylinder (10) is hinged between the turnover beam (9) of the turnover frame (1) and the base of the turnover frame (1).
6. The large diameter tower turn-over device according to claim 1, wherein: the supporting part (4) is a portal frame, and telescopic extension frames (11) are arranged at two ends of the portal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539562.0U CN221235189U (en) | 2023-09-19 | 2023-09-19 | Large-diameter tower tube turning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539562.0U CN221235189U (en) | 2023-09-19 | 2023-09-19 | Large-diameter tower tube turning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221235189U true CN221235189U (en) | 2024-06-28 |
Family
ID=91615622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322539562.0U Active CN221235189U (en) | 2023-09-19 | 2023-09-19 | Large-diameter tower tube turning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221235189U (en) |
-
2023
- 2023-09-19 CN CN202322539562.0U patent/CN221235189U/en active Active
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