CN214527846U

CN214527846U - Hoisting mechanism of wind driven generator

Info

Publication number: CN214527846U
Application number: CN202022809031.5U
Authority: CN
Inventors: 朱文杰; 魏思航; 张恩慈
Original assignee: Zhejiang Jujie Technology Development Group Co Ltd
Current assignee: Jujie Technology Development Group Co.,Ltd.
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-29
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a aerogenerator's hoisting machine constructs, which comprises a bracket, and with support fixed connection's ring shape hoop, the hoop is equipped with first connecting hole and a plurality of fastening hole, fastening bolt is equipped with in the fastening hole, the support is equipped with changes the hole, the pull-up hole, the second connecting hole is equipped with the fastener with first connecting hole fixed connection, the steel cable is equipped with in the pull-up hole, the steel cable lower extreme is equipped with the earth anchor, the earth anchor is equipped with the lower pull-down hole that is used for fixed steel cable, it is equipped with rotatable gallows to change the hole, the gallows is equipped with guide rail and regulation hole, the support is equipped with the bracing piece, and the pneumatic cylinder of being connected with the regulation hole, the guide rail is equipped with motor and hoist engine, the hoist engine bottom is equipped with the slider with guide rail sliding connection, the lead screw of being connected with the slider is equipped with to the motor. The utility model discloses a windlass can hoist wind wheel, generator, then installs the pylon with wind wheel, generator.

Description

Hoisting mechanism of wind driven generator

Technical Field

The utility model belongs to the technical field of at aerogenerator accessory and specifically relates to a hoisting machine of aerogenerator constructs.

Background

The wind generating set is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and alternating current is finally output. The wind generating set generally comprises components such as a wind wheel, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and the like. The wind generating set has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity.

When the wind generating set is installed, because the wind wheel is large in size and the generator is heavy in weight, a large-scale sling cart is needed to be used for installing the wind wheel and the generator on the tower after being hoisted. And many wind generating sets lay on the mountain top, and the mountain road is rugged, and large-scale sling cart business turn over is not very convenient, and the cost is also higher, becomes the problem that needs to solve.

Disclosure of Invention

The utility model aims to solve the technical problem that a hoisting machine of aerogenerator constructs is provided, uses small-size sling cart to adorn support, gallows and hoop in aerogenerator's pylon department, and wind wheel, generator are installed on the pylon after being hoisted by the hoist engine.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the hoisting mechanism of the wind driven generator comprises a support and a circular hoop fixedly connected with the support, wherein the hoop is provided with a first connecting hole and a plurality of fastening holes, the fastening holes are provided with fastening bolts, the support is provided with a rotating hole, an upper pulling hole and a second connecting hole, the second connecting hole is provided with a fastening piece fixedly connected with the first connecting hole, a steel cable is arranged in the upper pulling hole, the lower end of the steel cable is provided with a ground anchor, the ground anchor is provided with a lower pulling hole for fixing the steel cable, the rotating hole is provided with a rotatable hanger, the hanger is provided with a guide rail and an adjusting hole, the support is provided with a support rod and a hydraulic cylinder (the hydraulic cylinder is a hydraulic actuating element for converting hydraulic energy into mechanical energy and performing linear reciprocating motion or swinging motion), the guide rail is provided with a motor and a hoisting machine (the hoisting machine: a hoisting device for hoisting or pulling a heavy object by winding a steel cable or a chain by using a winding drum, also called winch, the hoist can vertically lift, horizontally or obliquely drag heavy objects), the bottom of the hoist is provided with a slide block connected with the guide rail in a sliding way, and the motor is provided with a screw rod connected with the slide block.

As the utility model discloses further improve: the hydraulic cylinder is provided with a direction adjusting seat, the direction adjusting seat is provided with a strip hole, and the adjusting hole is provided with a screw rod penetrating through the strip hole.

As the utility model discloses further improve: the screw rod comprises a thread part, a compression part and a hexagonal head part, the thread part is in threaded connection with the adjusting hole, and the compression part is sleeved with the strip hole.

As the utility model discloses further improve: the support is of a triangular structure and comprises a horizontal rod and two inclined rods.

As the utility model discloses further improve: the rotary hole and the hydraulic cylinder are arranged on the horizontal rod, the support rod is arranged at the intersection of the two inclined rods, and the pull-up hole and the second connecting hole are respectively arranged at the intersection of the horizontal rod and the two inclined rods.

As the utility model discloses further improve: the hanger is provided with a rotating shaft, and the rotating shaft is sleeved with the rotating hole.

As the utility model discloses further improve: the hoop is provided with a hoop hole, and the hoop hole has taper.

As the utility model discloses further improve: the guide rail is provided with a bearing seat for supporting the screw rod.

As the utility model discloses further improve: the winch is provided with a limiting block, and the limiting block is provided with a steel cable limiting groove.

The utility model has the advantages of the hoist engine on the gallows can hoist wind wheel, generator, then install wind wheel, generator on the pylon. The support, the hanging bracket and the hoop are light in weight and small in size, the support, the hanging bracket and the hoop can be hung by a small-sized sling cart and then installed on the tower, so that the large sling cart is not needed, the cost is reduced, and after the wind wheel and the generator are assembled, the support, the hanging bracket and the hoop can be detached from the tower and then used again for other wind generating sets.

The utility model discloses a theory of operation is: firstly, sleeving a hoop at a tower frame, and fixedly connecting the hoop with the tower frame after a fastening bolt penetrates through a fastening hole; then the support rod in the support is attached to the circumferential surface of the tower, the second connecting hole of the support and the first connecting hole are kept in a concentric state, and the support and the hoop are fixedly connected together by using a fastener; the ground anchor is fixed on the ground firstly, the steel cable is arranged in the lower pull hole of the ground anchor, and the upper end of the steel cable is arranged in the upper pull hole, so that the left end and the right end of the bracket are fixed; the windwheel and the generator are hoisted by the winch, the motor drives the screw rod to rotate, the screw rod can drive the sliding block and the winch to move transversely along the guide rail, and the transverse position of the windwheel and the generator can be adjusted by the transverse movement; the piston rod of the hydraulic cylinder extends upwards, so that the hanger is driven by the piston rod of the hydraulic cylinder to rotate clockwise around the rotating hole, and the wind wheel and the generator gradually approach the top end of the tower in the process; and finally, the wind wheel and the generator are placed at the top end of the tower to be fixedly installed through the work of three driving components, namely the motor, the winch and the hydraulic cylinder.

Drawings

FIG. 1 is a schematic view of the present invention mounted to a tower of a wind turbine generator system;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of the various components mounted on the guide rail;

fig. 4 is a schematic view of a combination of parts mounted on a rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-4: wind driven generator's hoisting machine constructs, which comprises a bracket 3, and the ring hoop 2 with bracket 3 fixed connection, hoop 2 is equipped with first connecting hole 22 and a plurality of fastening hole 24, fastening bolt 25 is equipped with to fastening hole 24, bracket 3 is equipped with changes hole 34, upward-pulling hole 35, second connecting hole 33 is equipped with fastener 23 with first connecting hole 22 fixed connection, be equipped with steel cable 5 in the upward-pulling hole 35, steel cable 5 lower extreme is equipped with ground anchor 6, ground anchor 6 is equipped with the lower-pulling hole 61 that is used for fixed steel cable 5, it is equipped with rotatable gallows 1 to change hole 34, gallows 1 is equipped with guide rail 13 and regulation hole 12, bracket 3 is equipped with bracing piece 32, and the pneumatic cylinder 4 of being connected with regulation hole 12, guide rail 13 is equipped with motor 17 and hoist 7, hoist 7 bottom is equipped with the slider 15 with guide rail 13 sliding connection, motor 17 is equipped with the lead screw 16 of being connected with slider 15.

Fig. 1 is a schematic view of the tower 100 installed on the wind turbine generator system of the present invention, the hoop 2 is fixedly connected to the tower 100, and the wire rope of the winding machine 7 can hoist the wind wheel and the generator of the wind turbine generator system.

The hydraulic cylinder 4 is provided with a direction adjusting seat 41, the direction adjusting seat 41 is provided with a long hole 42, and the adjusting hole 12 is provided with a screw rod 11 penetrating through the long hole 42. When the hydraulic cylinder works in a telescopic mode, the hanging bracket can rotate around the rotating hole, the moving track of the adjusting hole is an arc line, and therefore the direction adjusting seat is provided with the strip hole adaptive to the adjusting hole, and the hanging bracket can rotate smoothly.

The screw 11 includes a threaded portion 11c, a pressure receiving portion 11b, and a hexagonal head portion 11a, the threaded portion 11c is screwed to the adjustment hole 12, and the pressure receiving portion 11b is fitted to the elongated hole 42. The length of the pressed part is slightly larger than the thickness of the direction-adjusting seat (the thickness of the direction-adjusting seat is equal to the depth of the long strip hole), so that the pressed part can freely move left and right in the long strip hole; the hexagonal head is screwed with a wrench so that the threaded portion is screwed into the adjustment hole.

The bracket 3 is of a triangular structure and comprises a horizontal rod 30 and two inclined rods 31. The horizontal rods and the two inclined rods are combined in a triangular structure, so that the combined triangular bracket is most stable and accords with the mechanical principle.

The rotating hole 34 and the hydraulic cylinder 4 are both arranged on the horizontal rod 30, the support rod 32 is arranged at the intersection of the two inclined rods 31, and the pull-up hole 35 and the second connecting hole 33 are respectively arranged at the intersection of the horizontal rod 30 and the two inclined rods 31.

The hanger 1 is provided with a rotating shaft 10, and the rotating shaft 10 is sleeved with the rotating hole 34. Therefore, the rotating shaft can rotate around the rotating hole, and the rotating shaft can also play a role in reinforcing the hanging bracket.

The hoop 2 is provided with a hoop hole 21, and the hoop hole 21 has a taper. The tower of the wind generating set has conicity (the upper end has a small diameter, and the lower end has a large diameter), and the conicity of the hoop hole is consistent with the periphery conicity of the tower, so that the hoop hole can clamp the tower.

The guide rail 13 is provided with a bearing block 14 supporting a screw 16. Two ends of the screw rod are respectively supported by the motor and the bearing seat.

The winding machine 7 is provided with a stopper 71, and the stopper 71 is provided with a wire rope stopper groove 72. The limiting groove can enable a steel cable of the winch to be in a vertical state, and swing is reduced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The hoisting mechanism of the wind driven generator comprises a bracket and a circular hoop fixedly connected with the bracket, it is characterized in that the hoop is provided with a first connecting hole and a plurality of fastening holes, the fastening holes are provided with fastening bolts, the bracket is provided with a rotating hole, an upper pulling hole and a second connecting hole, the second connecting hole is provided with a fastener fixedly connected with the first connecting hole, a steel cable is arranged in the upper pull hole, an earth anchor is arranged at the lower end of the steel cable, a lower pull hole for fixing the steel cable is arranged on the earth anchor, the rotary hole is provided with a rotatable hanger which is provided with a guide rail and an adjusting hole, the bracket is provided with a support rod and a hydraulic cylinder connected with the adjusting hole, the guide rail be equipped with motor and hoist engine, the hoist engine bottom be equipped with guide rail sliding connection's slider, the motor be equipped with the lead screw of slider connection.

2. The hoisting mechanism of the wind driven generator according to claim 1, wherein the hydraulic cylinder is provided with a direction-adjusting seat, the direction-adjusting seat is provided with a long hole, and the adjusting hole is provided with a screw rod penetrating through the long hole.

3. The hoisting mechanism of the wind driven generator according to claim 2, wherein the screw comprises a threaded portion, a pressed portion and a hexagonal head portion, the threaded portion is in threaded connection with the adjusting hole, and the pressed portion is sleeved with the elongated hole.

4. The hoisting mechanism of the wind driven generator as claimed in claim 1, wherein the support is of a triangular structure and comprises a horizontal rod and two inclined rods.

5. The hoisting mechanism of the wind driven generator according to claim 4, wherein the rotating hole and the hydraulic cylinder are both arranged on a horizontal rod, the supporting rod is arranged at the intersection of the two inclined rods, and the pull-up hole and the second connecting hole are respectively arranged at the intersection of the horizontal rod and the two inclined rods.

6. The hoisting mechanism of the wind driven generator as claimed in claim 1, wherein the hoisting frame is provided with a rotating shaft, and the rotating shaft is sleeved with the rotating hole.

7. The wind turbine lifting mechanism according to claim 1, wherein said collar has a collar hole, said collar hole having a taper.

8. The hoisting mechanism of the wind driven generator according to claim 1, wherein the guide rail is provided with a bearing seat for supporting the screw rod.

9. The hoisting mechanism of the wind driven generator as claimed in claim 1, wherein the winding machine is provided with a limiting block, and the limiting block is provided with a steel cable limiting groove.