CN-121974238-A - Clamp device suitable for hoisting wind power ultrathin blade and control method thereof

CN121974238ACN 121974238 ACN121974238 ACN 121974238ACN-121974238-A

Abstract

The invention relates to the technical field of wind power generation equipment hoisting, and discloses a clamp device and a control method thereof suitable for wind power ultrathin blade hoisting, wherein a main hoisting system is used for bearing the integral hoisting load of a device, a beam body is rotatably connected below the main hoisting system, a clamping system comprises a pair of clamp mechanisms respectively arranged at two ends of the beam body, each clamp mechanism comprises a clamp body, an upper clamping jaw, a lower clamping jaw and a supporting jaw, each upper clamping jaw and each lower clamping jaw are of a multi-stage rotating structure, each lower clamping jaw has a height adjusting function, the supporting jaw is arranged on each lower clamping jaw and is used for stably supporting the integral hoisting device, a rotating driving system comprises a rotating frame and a plurality of rotating cylinders, the rotating cylinders are connected between the main hoisting system and the beam body in a symmetrical mode through the rotating frame, and an intelligent control system is used for monitoring the clamping force of the clamping system in real time and has an automatic pressure supplementing function.

Inventors

YANG CHAO
LIU SAI
ZHAO CHUNJIANG
ZHAI LEI
LIU HAILONG
Yan Kaiqing
Qie Yanyan
ZHU SIYUAN

Assignees

巨力索具股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260331

Claims (10)

1. Clamping device suitable for wind-powered electricity generation ultra-thin blade hoist and mount, characterized in that includes: The main hoisting system is used for bearing the whole hoisting load of the device; a beam body (7) rotatably connected below the main suspension system; The clamping system comprises a pair of clamping mechanisms respectively arranged at two ends of the beam body (7), the pair of clamping mechanisms respectively correspond to a blade root and a blade tip of the blade, the clamping mechanisms comprise a clamping body (15), an upper clamping jaw (11), a lower clamping jaw (13) and a supporting jaw (14), the upper clamping jaw (11) and the lower clamping jaw (13) are arranged on the clamping body (15) through position adjusting mechanisms, the upper clamping jaw (11) and the lower clamping jaw (13) are of multi-stage rotating structures and are used for self-adapting to a curved surface of the blade, the lower clamping jaw (13) has a height adjusting function, and the supporting jaw (14) is arranged on the lower clamping jaw (13) and is used for stably supporting the whole device when standing; the rotary driving system comprises a rotary frame (22) and a plurality of rotary oil cylinders (21), wherein the rotary oil cylinders (21) are connected between the main hoisting system and the beam body (7) in a symmetrical mode through the rotary frame (22) and are used for driving the beam body (7) to rotate relative to the main hoisting system so as to realize a turning function; the protection system is used for providing the whole anti-collision protection and environmental protection for the device; And the intelligent control system is used for monitoring the clamping force of the clamping system in real time and has an automatic pressure supplementing function.
2. Clamping device suitable for wind power ultra-thin blade hoisting according to claim 1, characterized in that the upper clamping jaw (11) comprises a first upper segment (24), a plurality of second upper segments (25), a plurality of third upper segments (26) and a plurality of fourth upper segments (27), wherein the first upper segment (24) is arranged on the position adjusting mechanism, a plurality of second upper segments (25) are hinged on the first upper segment (24) along a first direction, a plurality of third upper segments (26) are hinged on the second upper segment (25) along a second direction, a plurality of fourth upper segments (27) are hinged on the third upper segment (26) through ball shafts (28), and the fourth upper segments (27) are arranged in double rows, the first direction is the length direction of the blade, and the second direction is the width direction of the blade.
3. Clamping device suitable for wind power ultra-thin blade hoisting according to claim 2, characterized in that the lower clamping jaw (13) comprises a first lower section (29), a plurality of second lower sections (30) and a plurality of third lower sections (31), wherein the first lower section (29) is arranged on the position adjusting mechanism, a plurality of second lower sections (30) are hinged on the first lower section (29) along the first direction, a plurality of third lower sections (31) are hinged on the second lower section (30) through screw ball shafts (32), and the third lower sections (31) are arranged in double rows.
4. Clamping device suitable for wind power ultra-thin blade hoisting according to claim 1, characterized in that the supporting claw (14) comprises a supporting leg (35), and a supporting plate (33) and an anti-collision guide wheel (34) arranged on the supporting leg (35).
5. The clamping device for hoisting wind power ultrathin blades according to claim 1, wherein the position adjusting mechanism comprises a first assembly frame (16) and a second assembly frame (17) which are rotatably connected together, the first assembly frame (16) is rotatably connected with the clamp body (15), a first position adjusting oil cylinder (18) is hinged between the first assembly frame (16) and the clamp body (15), a second position adjusting oil cylinder (19) is hinged between the second assembly frame (17) and the first assembly frame (16), and the upper clamping jaw (11) and the lower clamping jaw (13) are mounted on the second assembly frame (17).
6. The clamp device suitable for wind power ultrathin blade hoisting according to claim 1, wherein the main hoisting system comprises a main hoisting belt (1), a weighing sensor shackle (2), a steering hoisting fork (3) and an A-shaped hoisting frame (4), the top of the A-shaped hoisting frame (4) is connected with the main hoisting belt (1) through the steering hoisting fork (3), the weighing sensor shackle (2) is connected in series between the main hoisting belt (1) and the steering hoisting fork (3), and the bottom of the A-shaped hoisting frame (4) is rotationally connected with the beam body (7) through a hoisting shaft (20).
7. The clamping device for hoisting wind power ultrathin blades according to claim 1, wherein the protection system comprises a fence (8) and an anti-collision positioning block (12), the fence (8) is arranged at the edge of the beam body (7), and the anti-collision positioning block (12) is arranged at the inner side of the clamping mechanism and is used for being in contact with the surface of the blade.
8. The clamping device suitable for hoisting wind power ultrathin blades according to claim 1, wherein the intelligent control system comprises an electric control cabinet (6), a hydraulic station (9), a generator (10), a storage battery (5) and a remote controller, wherein the electric control cabinet (6), the hydraulic station (9), the generator (10) and the storage battery are arranged on the beam body (7).
9. The clamping device for hoisting wind power ultrathin blades according to claim 1, wherein the intelligent control system further comprises a pressure sensor and an automatic pressure supplementing module.
10. A control method of a clamping device suitable for wind power ultrathin blade hoisting, which is applied to the clamping device suitable for wind power ultrathin blade hoisting as claimed in any one of claims 1-9, and is characterized by comprising the following steps: carrying a hoisting load through the main hoisting system, and monitoring hoisting weight in real time; self-adaptively attaching the blade surface through the upper clamping jaw (11) and the lower clamping jaw (13); the turning action of a set angle is realized by driving the clamp mechanism through a plurality of rotary cylinders (21); The intelligent control system monitors the clamping force, the oil cylinder pressure and the environmental parameters in real time, and automatically supplements pressure when the clamping force is lower than a threshold value; When the whole device is kept still, stable support is realized through the supporting claw (14).

Description

Clamp device suitable for hoisting wind power ultrathin blade and control method thereof Technical Field The invention relates to the technical field of wind power generation equipment hoisting, in particular to a clamping device suitable for hoisting wind power ultrathin blades and a control method thereof. Background Along with the development of the wind power industry to the cost reduction and efficiency enhancement, the external dimension of the wind power blade is continuously increased, the wall thickness is continuously thinned, the pressure allowed to bear by the blade is extremely small, and the blade is easy to be clamped and broken by a clamp in the hoisting process. Meanwhile, part of fans lack of autonomous turning functions, and blade hoisting clamps are required to have +/-30-degree turning capacity, but when the existing clamps are turned, the clamping force is easy to rise abnormally due to the increase of the rotation angle, so that the damage risk of the blades is further increased. In the prior art, 2 large-load and large-stroke rotary cylinders are adopted in the lifting appliance for realizing the + -30 DEG rotary function, so that the lifting appliance is high in purchase cost and maintenance difficulty, and in addition, the contact area of the traditional clamping jaw module and the blade is small, the fitting degree is low, the surface of the streamline blade cannot be adapted, and the probability of compression damage of the blade is further increased. Meanwhile, the existing lifting appliance is stored with an additional design support, stability and durability under a complex environment are difficult to meet long-term operation requirements, and the problems restrict the safety and economy of wind power blade lifting operation. Disclosure of Invention The invention aims to provide a clamping device suitable for hoisting wind power ultrathin blades and a control method thereof, and aims to solve or improve at least one of the technical problems. In order to achieve the purpose, the invention provides the following scheme that the clamp device suitable for hoisting the wind power ultrathin blade comprises: The main hoisting system is used for bearing the whole hoisting load of the device; The beam body is rotatably connected below the main hoisting system; The clamping system comprises a pair of clamping mechanisms respectively arranged at two ends of the beam body, the pair of clamping mechanisms respectively correspond to a blade root and a blade tip of the blade, the clamping mechanisms comprise a clamping body, an upper clamping jaw, a lower clamping jaw and a supporting jaw, the upper clamping jaw and the lower clamping jaw are arranged on the clamping body through position adjusting mechanisms, the upper clamping jaw and the lower clamping jaw are of multi-stage rotating structures and are used for self-adapting to the curved surface of the blade, the lower clamping jaw has a height adjusting function, and the supporting jaw is arranged on the lower clamping jaw and is used for stably supporting the whole device when standing; the rotary driving system comprises a rotary frame and a plurality of rotary oil cylinders, wherein the rotary oil cylinders are connected between the main hanging system and the beam body in a symmetrical mode through the rotary frame and are used for driving the beam body to rotate relative to the main hanging system so as to realize a turning function; the protection system is used for providing the whole anti-collision protection and environmental protection for the device; And the intelligent control system is used for monitoring the clamping force of the clamping system in real time and has an automatic pressure supplementing function. Optionally, the upper clamping jaw includes first upper segment, a plurality of second upper segment, a plurality of third upper segment and a plurality of fourth upper segment, first upper segment sets up on the position adjustment mechanism, first upper segment is gone up along the first direction and articulates there is a plurality of second upper segment, second upper segment is gone up along the second direction and articulates there is a plurality of third upper segment, third upper segment is gone up and is articulated through the ball axle and have a plurality of fourth upper segment, just the fourth upper segment is double and arranges, first direction is the length direction of blade, the second direction is the width direction of blade. Optionally, the lower clamping jaw includes first section, a plurality of second section and a plurality of third section down, first section sets up down on the position adjustment mechanism, along on the first section the first direction articulates there is a plurality of second section down, a plurality of third section down is articulated through the screw ball axle on the second section down, just the third section down is double and arranges. Optionally, the supp