CN108996439B - Wind power tower cylinder vertical lift construction equipment - Google Patents
Wind power tower cylinder vertical lift construction equipment Download PDFInfo
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- CN108996439B CN108996439B CN201810809200.XA CN201810809200A CN108996439B CN 108996439 B CN108996439 B CN 108996439B CN 201810809200 A CN201810809200 A CN 201810809200A CN 108996439 B CN108996439 B CN 108996439B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
Abstract
A vertical lifting construction device for a wind power tower cylinder comprises a bottom frame, wherein rope tying blocks are arranged on the bottom frame, a base is installed between the bottom frames through screws in a locking mode, and escalator pulleys are installed on the front side and the rear side of the base; the invention has the beneficial effects that: the climbing device utilizes reasonable structural design, can climb by a mechanical transmission principle, has safe and reliable structure, high climbing speed and convenient adjustment, improves the construction efficiency, and is suitable for popularization and use.
Description
Technical Field
The invention relates to a vertical lifting construction device and a vertical lifting construction method for a wind power tower, and belongs to the technical field of wind power engineering.
Background
The wind power tower cylinder is exposed in the natural environment for a long time and is subjected to wind, sun and rain, even the invasion of salt mist and sand dust, so that the coating on the outer wall of the steel tower cylinder is easy to be stained, and paint is easy to fall off and rust. Some aerogenerators operate after a period of time, lubricating grease leaks from the cabin and spills on a tower section of thick bamboo, combines debris such as dust to adhere in the tower section of thick bamboo outer wall, forms the one deck dirt, like this not only can influence the pleasing to the eye of fan, leads to the fact the influence to the safety in utilization of fan even. Therefore, the outer wall coating of the tower drum of the wind turbine needs to be repaired and cleaned in time so as to improve the attractiveness of the wind turbine and prolong the service life of the tower drum.
If a publication number is CN107697818A, a construction method and special construction equipment for the wall of a prestressed concrete wind power tower are disclosed, and a wall attaching device, special construction equipment and a 2t double-cantilever flat-head tower crane are installed on a pre-poured foundation; transporting the operating personnel to the annular telescopic construction platform through the manned elevator; a multi-layer annular horizontal transportation platform is formed by an annular telescopic construction platform, a turnover formwork lifting platform and an inner suspension platform in special construction equipment to perform reinforcement binding, concrete pouring and inner and outer arc adjusting template assembly and disassembly construction; the inner arc adjusting template and the outer arc adjusting template are used in a turnover mode layer by layer, and the special construction equipment and the climbing guide rail are lifted alternately until the concrete cylinder wall of the wind power tower is constructed; adjusting a pushing device of an annular telescopic construction platform in time along with the reduction of the radius of the wind power tower in the lifting process of the special construction equipment, and contracting the turnover formwork lifting platform; the construction is close to the top of the wind power tower, the internal suspension platform is removed, the drum ring of the annular telescopic construction platform is connected with the bracket support which is embedded in the construction process of the top of the wind power tower, and the temporary scaffold platform is set up to complete the construction of the cylinder wall of the top of the wind power tower.
If a publication number is CN105858554A again discloses a from lift platform for maintenance of wind power tower section of thick bamboo outer wall, contain a plurality of platform module, a plurality of platform module connects into an annular platform, be equipped with a plurality of power arm of group on the annular platform, the power arm contains first group power arm and second group power arm that has flexible function, every power arm one end links to each other through articulated with the construction platform, the other end is equipped with automatically controlled magnet subassembly, automatically controlled magnet subassembly is to wind power tower section of thick bamboo outer wall absorption tight or desorption, it goes up and down on wind power tower section of thick bamboo to drive annular platform through the flexible of power arm. The self-lifting platform for maintaining the outer wall of the wind power tower cylinder can carry constructors and equipment, automatically climbs to a required height from a tower foundation, returns after operation is finished, and can be automatically locked on the tower cylinder under emergency conditions, so that dangers and accidents caused by falling of the platform and the constructors are avoided.
At present, the common method in China is that constructors climb the top of a tower firstly, then are fastened by ropes fixed on an engine room and gradually lowered down, and are suspended in the air near a tower barrel for construction; or the cage is lifted by a large crane, and constructors operate in the cage. The height of a large-scale fan tower barrel is dozens of meters to hundreds of meters, and the wind speed is often higher at the place where the fan is built, so that the wind speed is very high, the wind speed tower barrel has great requirements on physical quality and psychological quality of constructors, the labor intensity is high, the working efficiency is low, and the construction in a suspension cage lifted by a crane has strict requirements on external environments such as an operation field and the wind speed, long preparation time and high cost.
Disclosure of Invention
The invention overcomes the problems in the prior art, and provides a vertical lifting construction device for a wind power tower and a construction method thereof.
The specific technical scheme of the invention is as follows:
a vertical lifting construction device of a wind power tower cylinder comprises a bottom frame, a rope tying block is arranged on the bottom frame, a base is installed between the bottom frames through screw locking, escalator pulleys are installed on the front side and the rear side of the base, and the vertical lifting construction device is characterized in that,
the bottom frame is provided with a vertical frame, a middle block is arranged on the vertical frame, a motor is arranged above the middle block, and climbing mechanisms are arranged on two sides of the motor;
the climbing mechanism comprises a first long shaft rod which is driven to rotate by a motor driving gear, the first long shaft rod drives a first short shaft rod to rotate by a first chain transmission structure, a first lifting cam and a second lifting cam are mounted on the first long shaft rod, a first extrusion cam and a second extrusion cam are mounted on the first short shaft rod, and the climbing mechanism comprises a first chain transmission structure and a second chain transmission structure, wherein: the first extrusion cam and the second extrusion cam are arranged between the first lifting cam and the second lifting cam; a first inner hinged support and a first outer hinged support are respectively arranged on the middle block through an inner spring column and an outer spring column, a first short grapple which swings under the control of a second extrusion cam is hinged on the first inner hinged support, and a first long grapple which swings under the control of the first extrusion cam is hinged on the first outer hinged support; the middle block is also hinged with a first inner rocker acting on the first inner hinged support and a first outer rocker acting on the first outer hinged support (114);
a hand-operated mechanism is arranged below the middle block, and descending grasping mechanisms are arranged on two sides of the hand-operated mechanism;
decline promptly mechanism includes through hand mechanism drive gear drive rotatory second long axis pole, the second long axis pole is rotatory through second chain transmission structure drive second minor axis pole, install third lifting cam and fourth lifting cam on the second long axis pole, install third extrusion cam and fourth extrusion cam on the second minor axis pole, wherein: the third extrusion cam and the fourth extrusion cam are arranged between the third lifting cam and the fourth lifting cam; a second inner hinged support and a second outer hinged support are respectively arranged below the middle block through an inner spring column II and an outer spring column II, a second short rod which swings under the control of a fourth extrusion cam is hinged to the second inner hinged support, and a second long rod which swings under the control of a third extrusion cam is hinged to the second outer hinged support; a second inner rocker acting on the second inner hinged support and a second outer rocker acting on the second outer hinged support are hinged below the middle block; the tail end of the second long rod is hinged with a first hook claw, a first spring is installed between an extension plate of the first hook claw and the second long rod, the tail end of the second short rod is hinged with a second hook claw, and a second spring is installed between the extension plate of the second hook claw and the second short rod.
Preferably, the bottom of the bottom frame is provided with a limiting block.
Based on the device, the invention also provides a vertical lifting construction method of the wind power tower, which is characterized by comprising the following steps,
1) the top of the wind power tower cylinder is provided with a pulley I and a pulley II, one end of a steel wire rope is fixed at the top of the wind power tower cylinder, and the other end of the steel wire rope penetrates through the pulley I and the pulley II to be connected with a rope tying block on the base;
2) the first long grapple and the first short grapple are both grappled on a handrail of the wind power tower and are stationary, when ascending construction is needed, a first long shaft rod is driven to rotate by a motor driving gear, and the first short shaft rod is driven to rotate by a first chain type transmission structure; at the moment, the first extrusion cam, the second extrusion cam, the first lifting cam and the second lifting cam rotate continuously, in the process, the first extrusion cam extrudes the first long grab hook to enable the first long grab hook to swing and break away from the handrail of the wind power tower, then the first lifting cam presses the first outer warping plate to enable the first outer warping plate to tilt the first outer hinged support to drive the first long grab hook to climb upwards, and when the first lifting cam leaves, the first outer hinged support is pulled back by the outer spring column, so that the first long grab hook hooks the handrail above; in the process, the first short shaft rod hooks the handrail and is still;
3) based on the step 2), after the first long grapple ascends, the second extrusion cam extrudes the first short grapple to enable the first short grapple to swing to be separated from the handrail of the wind power tower, then the second lifting cam presses the first inner rocker to enable the first inner rocker to tilt the first inner hinged support to drive the first short grapple to ascend, and when the second lifting cam leaves, the first inner hinged support is pulled back by the inner spring column, so that the first short grapple hooks the handrail above; in the process, the first long grapple hooks the handrail and keeps still;
4) and step 2) and step 3) are repeated continuously, so that the first long grapple and the first short grapple climb upwards continuously to hook the handrail in a staggered manner, and the constructor in the bottom frame can construct conveniently.
Based on the device, the invention also provides a vertical descending construction method of the wind power tower, which is characterized by comprising the following steps,
1) the top of the wind power tower cylinder is provided with a pulley I and a pulley II, one end of a steel wire rope is fixed at the top of the wind power tower cylinder, and the other end of the steel wire rope penetrates through the pulley I and the pulley II to be connected with a rope tying block on the base;
2) the second hook claw and the first hook claw are both grabbed on a handrail of the wind power tower cylinder and still, when downward movement construction is needed, the second long shaft rod is driven to rotate through a hand-operated mechanism or a second motor driving gear, and the second short shaft rod is driven to rotate through a second chain type transmission structure; at the moment, the third extrusion cam, the fourth extrusion cam, the third lifting cam and the fourth lifting cam rotate continuously, in the process, the third extrusion cam extrudes the second long rod to enable the second long rod to swing to enable the extension plate of the first hook claw to be far away from the handrail of the wind power tower, so that the first hook claw can be separated from the handrail of the wind power tower in an original position due to the resilience of the spring, then the third extrusion cam presses the second outer rocker plate to enable the second outer rocker plate to tilt the second outer hinge base to drive the second long rod (204) to move downwards, the extension plate of the first hook claw is driven to move towards the handrail direction and is blocked by the handrail to rotate, the first hook claw rotates and displaces the handrail below, when the third lifting cam leaves, the second outer hinge base is pulled back by the outer spring column II, so that the first hook claw hooks the handrail below, and the first spring is in a compressed state at the moment; in the process, the second claw hooks the handrail all the time;
3) based on the step 2), after the first claw moves downwards to hook tightly, the fourth extrusion cam extrudes the second claw to enable the second short rod to swing to enable the second claw to be away from the handrail of the wind power tower, so that the second spring rebounds to enable the second claw to be separated from the handrail of the wind power tower in situ, then the fourth lifting cam presses the second inner rocker to enable the second inner rocker to tilt the second inner hinged support to drive the second short rod to move downwards, an extension plate of the second claw is driven to move towards the handrail direction and is blocked by the handrail to rotate, the second claw rotates and displaces to hook the handrail below, when the fourth lifting cam leaves, the second inner hinged support is pulled back by the second inner spring column, so that the second claw hooks the handrail below tightly, and the second spring is in a compressed state; in the process, the first claw hooks the handrail all the time;
4) and 3) continuously repeating the step 2) and the step 3), so that the first hook claw and the second hook claw continuously move downwards in a staggered mode to hook the handrail, and construction personnel in the bottom frame can construct the handrail conveniently.
The invention has the beneficial effects that: the climbing device utilizes reasonable structural design, can climb by a mechanical transmission principle, has safe and reliable structure, high climbing speed and convenient adjustment, improves the construction efficiency, and is suitable for popularization and use.
Drawings
FIG. 1 is a structural diagram of a vertical lifting construction device of a wind power tower of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top block diagram of FIG. 1;
FIG. 4 is a view showing a structure of a vertical lift construction apparatus;
FIG. 5 is a further disassembled view of FIG. 4;
FIG. 6 is a side view structural diagram of FIG. 5;
FIG. 7 is a bottom view of the structure of FIG. 4;
fig. 8 is a partially enlarged structural view of the descending grip mechanism.
Detailed Description
Example 1
As shown in the figure, the handrail 2 is installed on the wind power tower cylinder, the first pulley 7 and the second pulley 5 are installed at the top of the wind power tower cylinder 1, one end of the steel wire rope 3 is fixed to the top of the wind power tower cylinder 1, and the other end of the steel wire rope penetrates through the first pulley 7 and the second pulley 5 to be connected with the rope tying block 53 on the base 51.
The rope tying block 53 is arranged on the bottom frame 50, the base 51 is installed between the bottom frames 50 through the locking of the screws 27, the escalator pulleys 22 are installed on the front side and the rear side of the base 51, the vertical frame 54 is arranged on the bottom frame 50, the middle block 55 is installed on the vertical frame 54, the motor 102 is installed above the middle block 55, and the climbing mechanism 100 is installed on two sides of the motor 102.
The climbing mechanism 100 includes a first long shaft 130 driven by a gear through a motor 102, the first long shaft 130 drives a first short shaft 120 to rotate through a first chain transmission structure 105, a first lifting cam 112 and a second lifting cam 110 are mounted on the first long shaft 130, and a first extrusion cam 113 and a second extrusion cam 111 are mounted on the first short shaft 120, wherein: the first pressing cam 113 and the second pressing cam 111 are arranged between the first lifting cam 112 and the second lifting cam 110; a first inner hinged support 107 and a first outer hinged support 114 are respectively installed on the middle block 55 through an inner spring column 109 and an outer spring column 115, a first short grapple 103 controlled to swing through a second extrusion cam 111 is hinged on the first inner hinged support 107, and a first long grapple 104 controlled to swing through a first extrusion cam 113 is hinged on the first outer hinged support 114; the intermediate block 55 is further hinged with a first inner rocker 108 acting on the first inner hinge support 107 and a first outer rocker 106 acting on the first outer hinge support 114.
In this embodiment, the first pressing cam 113, the second pressing cam 111, the first lifting cam 112, and the second lifting cam 110 in the above structure are installed in a staggered manner, so that 3 grapples can be guaranteed to be grabbed on the handrail at every moment, and the safety of the device is improved. Meanwhile, the directions of the first extrusion cam 113 and the second extrusion cam 111 can be consistent, and the directions of the first lifting cam 112 and the second lifting cam 110 are consistent, so that the actions of the two first short grabs 103 can be consistent, and the actions of the two first long grabs 104 can be consistent, and thus, 2 grabs on the handrail at every moment can be guaranteed.
A hand-operated mechanism 202 is arranged below the middle block 55, and descending grasping mechanisms 200 are arranged on two sides of the hand-operated mechanism 202. The descending grasping mechanism 200 comprises a second long shaft rod 230 which is driven by a hand-operated mechanism 202 to drive a gear to rotate, the second long shaft rod 230 drives a second short shaft rod 220 to rotate through a second chain transmission structure 205, a third lifting cam 212 and a fourth lifting cam 210 are installed on the second long shaft rod 230, a third extrusion cam 213 and a fourth extrusion cam 211 are installed on the second short shaft rod 220, wherein: the third pressing cam 213 and the fourth pressing cam 211 are arranged between the third lifting cam 212 and the fourth lifting cam 210; a second inner hinged support 207 and a second outer hinged support 214 are respectively installed below the middle block 55 through an inner spring column II 209 and an outer spring column II 215, a second short rod 203 which is controlled by a fourth extrusion cam 211 to swing is hinged on the second inner hinged support 207, and a second long rod 204 which is controlled by a third extrusion cam 213 to swing is hinged on the second outer hinged support 214; a second inner rocker 208 acting on a second inner hinge base 207 and a second outer rocker 206 acting on a second outer hinge base 214 are hinged below the middle block 55; the tail end of the second long rod 204 is hinged with a first hook claw 26, a first spring 24 is installed between an extension plate of the first hook claw 26 and the second long rod 204, the tail end of the second short rod 203 is hinged with a second hook claw 62, and a second spring 61 is installed between the extension plate of the second hook claw 62 and the second short rod 203.
In this embodiment, the third pressing cam 213, the fourth pressing cam 211, the third lifting cam 212, and the fourth lifting cam 210 in the above structure are also installed in a staggered manner, so that 3 grapples can be guaranteed to be grabbed on the handrail at every moment, and the safety of the device is improved. Meanwhile, the directions of the third extrusion cam 213 and the fourth extrusion cam 211 are consistent, and the directions of the third lifting cam 212 and the fourth lifting cam 210 are consistent, so that the actions of the first hook claw 26 are consistent, and the actions of the second hook claw 62 are consistent, and therefore 2 hook claws can be guaranteed to be caught on the handrail at every moment.
The middle of the handrail 2 is also provided with a limit groove 4, the bottom of the bottom frame 50 is provided with a limit block 29, when the bottom frame 50 reaches the construction position, the limit block 29 is inserted into the limit groove 4 besides the grab hook is adopted to grab the handrail, and thus the safety factor can be increased.
Based on the device, the invention also provides a vertical lifting construction method of the wind power tower, which is characterized by comprising the following steps,
1) the top of the wind power tower barrel 1 is provided with a pulley I7 and a pulley II 5, one end of a steel wire rope 3 is fixed on the top of the wind power tower barrel 1, and the other end of the steel wire rope passes through the pulley I7 and the pulley II 5 to be connected with a rope tying block 53 on a base 51;
2) the first long grapple 104 and the first short grapple 103 are both grappled on the handrail 2 of the wind power tower 1 and are stationary, when ascending construction is needed, the first long shaft lever 130 driven by the gear driven by the motor 102 rotates, and the first long shaft lever 130 drives the first short shaft lever 120 to rotate through the first chain transmission structure 105; at this time, the first extrusion cam 113, the second extrusion cam 111, the first lifting cam 112 and the second lifting cam 110 are continuously rotated, in the process, firstly, the first extrusion cam 113 extrudes the first long grab hook 104 to enable the first long grab hook 104 to swing to be separated from the handrail 2 of the wind power tower 1, then, the first lifting cam 112 presses the first outer warping plate 106 to enable the first outer warping plate 106 to tilt the first outer hinged support 114 to drive the first long grab hook 104 to ascend upwards, and when the first lifting cam 112 leaves, the first outer hinged support 114 is pulled back by the outer spring column 115, so that the first long grab hook 104 hooks the handrail 2 above; in the above process, the first short shaft rod 120 hooks the handrail 2 and keeps still;
3) based on the step 2), after the first long grapple 104 ascends, the second extrusion cam 111 extrudes the first short grapple 103 to enable the first short grapple 103 to swing to be separated from the handrail 2 of the wind power tower 1, then the second lifting cam 110 presses the first inner rocker 108, so that the first inner rocker 108 tilts the first inner hinge base 107 to drive the first short grapple 103 to ascend upwards, and when the second lifting cam 110 leaves, the first inner hinge base 107 is pulled back by the inner spring column 109, so that the first short grapple 103 hooks the handrail 2 above; in the above process, the first long grapple 104 hooks the handrail 2 all the time;
4) and 3) continuously repeating the step 2) and the step 3), so that the first long grapple 104 and the first short grapple 103 continuously climb upwards in a staggered mode to hook the handrail 2, and construction is facilitated for constructors in the bottom frame 50.
Based on the device, the invention also provides a vertical descending construction method of the wind power tower, which is characterized by comprising the following steps,
1) the top of the wind power tower barrel 1 is provided with a pulley I7 and a pulley II 5, one end of a steel wire rope 3 is fixed on the top of the wind power tower barrel 1, and the other end of the steel wire rope passes through the pulley I7 and the pulley II 5 to be connected with a rope tying block 53 on a base 51;
2) the second hook claw 62 and the first hook claw 26 are both grabbed on the handrail 2 of the wind power tower 1 and are still, when downward movement construction is needed, the second long shaft lever 230 is driven to rotate through the hand-operated mechanism 202 or the second motor driving gear, and the second short shaft lever 220 is driven to rotate through the second chain type transmission structure 205 by the second long shaft lever 230; at this time, the third extrusion cam 213, the fourth extrusion cam 211, the third lifting cam 212 and the fourth lifting cam 210 are all rotated, in this process, firstly, the third extrusion cam 213 extrudes the second long rod 204 to make the second long rod 204 swing to make the extension plate of the first hook claw 26 far away from the armrest 2 of the wind power tower 1, so that the first spring 24 rebounds to make the first hook claw 26 separate from the armrest 2 of the wind power tower 1, then the third lifting cam 212 presses the second outer rocker 206 to make the second outer rocker 206 tilt the second outer hinge base 214 to drive the second long rod 204 to move downwards, to drive the extension plate of the first hook claw 26 to move towards the armrest 2 and be blocked by the armrest 2 to rotate, so that the first hook claw 26 rotates and displaces to hook the armrest 2 below, when the third lifting cam 212 leaves, the second outer hinge base 214 is pulled back by the second outer spring post 215, so that the first hook claw 26 hooks the armrest 2 below, at the moment, the first spring 24 is in a compressed state; in the process, the second claw 62 hooks the handrail 2 all the time;
3) based on the step 2), after the first hook claw 26 moves downwards to hook tightly, the fourth extrusion cam 211 extrudes the second hook claw 62 to enable the second short rod 203 to swing to enable the second hook claw 62 to be far away from the handrail 2 of the wind power tower 1, so that the second spring 61 rebounds to enable the second hook claw 62 to be separated from the handrail 2 of the wind power tower 1 in situ, then the fourth extrusion cam 210 presses the second inner warping plate 208 to enable the second inner warping plate 208 to tilt the second inner hinge base 207 to drive the second short rod 203 to move downwards, drive the extension plate of the second hook claw 62 to move towards the handrail 2 and be blocked by the handrail 2 to rotate, enable the second hook claw 62 to rotate and displace to hook the handrail 2 below, when the fourth extrusion cam 210 leaves, the second inner hinge base 207 is pulled back by the second inner spring column 209, so that the second hook claw 62 hooks the handrail 2 below, and the second spring 61 is in a compressed state; in the process, the first claw 26 hooks the handrail 2 all the time;
4) and 3) continuously repeating the step 2) and the step 3), so that the first hook claw 26 and the second hook claw 62 continuously move downwards in a staggered mode to hook the handrail 2, and construction is facilitated for constructors in the bottom frame 50.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (1)
1. A wind power tower cylinder vertical lifting construction device comprises a bottom frame (50), wherein rope tying blocks (53) are arranged on the bottom frame (50), bases (51) are installed between the bottom frames (50) through screws (27) in a locking mode, and escalator pulleys (22) are installed on the front side and the rear side of each base (51), and the wind power tower cylinder vertical lifting construction device is characterized in that a vertical frame (54) is arranged on the bottom frame (50), a middle block (55) is installed on the vertical frame (54), a motor (102) is installed above the middle block (55), and climbing mechanisms (100) are installed on two sides of the motor (102); the climbing mechanism (100) comprises a first long shaft rod (130) driven to rotate by a driving gear of a motor (102), the first long shaft rod (130) drives a first short shaft rod (120) to rotate through a first chain transmission structure (105), a first lifting cam (112) and a second lifting cam (110) are installed on the first long shaft rod (130), a first extrusion cam (113) and a second extrusion cam (111) are installed on the first short shaft rod (120), wherein: the first extrusion cam (113) and the second extrusion cam (111) are arranged between the first lifting cam (112) and the second lifting cam (110); a first inner hinged support (107) and a first outer hinged support (114) are respectively installed on the middle block (55) through an inner spring column (109) and an outer spring column (115), a first short grapple (103) controlled to swing through a second extrusion cam (111) is hinged to the first inner hinged support (107), and a first long grapple (104) controlled to swing through a first extrusion cam (113) is hinged to the first outer hinged support (114); the middle block (55) is also hinged with a first inner rocker (108) acting on the first inner hinged support (107) and a first outer rocker (106) acting on the first outer hinged support (114); a hand-operated mechanism (202) is arranged below the middle block (55), and descending grasping mechanisms (200) are arranged on two sides of the hand-operated mechanism (202); mechanism (200) is grasped in decline includes and drives rotatory second long axostylus axostyle (230) of gear drive through hand mechanism (202), second long axostylus axostyle (230) are rotatory through second chain transmission structure (205) drive second short axostylus axostyle (220), install third lifting cam (212) and fourth lifting cam (210) on second long axostylus axostyle (230), install third extrusion cam (213) and fourth extrusion cam (211) on second short axostylus axostyle (220), wherein: the third extrusion cam (213) and the fourth extrusion cam (211) are arranged between the third lifting cam (212) and the fourth lifting cam (210); a second inner hinged support (207) and a second outer hinged support (214) are respectively installed below the middle block (55) through a second inner spring column (209) and a second outer spring column (215), a second short rod (203) controlled to swing through a fourth extrusion cam (211) is hinged to the second inner hinged support (207), and a second long rod (204) controlled to swing through a third extrusion cam (213) is hinged to the second outer hinged support (214); a second inner rocker (208) acting on a second inner hinged support (207) and a second outer rocker (206) acting on a second outer hinged support (214) are hinged below the middle block (55); the tail end of the second long rod (204) is hinged with a first hook claw (26), a first spring (24) is installed between an extension plate of the first hook claw (26) and the second long rod (204), a second hook claw (62) is hinged to the tail end of the second short rod (203), and a second spring (61) is installed between the extension plate of the second hook claw (62) and the second short rod (203).
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| CN201810809200.XA CN108996439B (en) | 2018-07-23 | 2018-07-23 | Wind power tower cylinder vertical lift construction equipment |
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| CN110778098A (en) * | 2019-10-23 | 2020-02-11 | 大唐甘肃发电有限公司八〇三热电厂 | Thermal power plant desulfurizing tower body outside construction platform |
| CN115321446B (en) * | 2022-09-29 | 2022-12-16 | 张家港市国恒装备有限公司 | Sectional type wind power tower cylinder platform |
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| CN2929056Y (en) * | 2005-05-25 | 2007-08-01 | 北京卓良模板有限公司 | Hydraulic driving automatic climbing formwork |
| CN104799769A (en) * | 2015-05-17 | 2015-07-29 | 郑祥模 | Climbing structure for stair armrest cleaning robot |
| CN107055261A (en) * | 2016-12-13 | 2017-08-18 | 范兆骥 | A kind of wind-power tower vertical lift device |
| CN207142587U (en) * | 2017-08-24 | 2018-03-27 | 沃迪克（北京）工业技术有限公司 | The auxiliary climbing device of wind power tower drum |
| CN107572459A (en) * | 2017-09-06 | 2018-01-12 | 山东特瑞电力器材有限公司 | A kind of high-voltage transmission line towers operation Motorized lift device |
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