CN220699493U - Auxiliary device is changed to wind turbine generator system driftage clamp - Google Patents

Abstract

The utility model discloses an auxiliary device for replacing yaw clamps of a wind turbine generator. The yaw caliper aims to solve the problems that due to the small size and the large weight of the clamp, workers cannot hold the clamp by hands when the clamp is detached, the bolt eyes cannot be aligned when the clamp is installed, the working space is small, and too many people cannot insert the clamp, so that the disassembly and assembly difficulty of the yaw caliper is high, and inconvenience is brought to the workers. The composition of the utility model comprises: the screw rod shaft penetrates through the threaded hole in the center of the supporting groove block, the support sleeve is sleeved on the screw rod shaft and is in threaded connection with the screw rod shaft, and the wheel seat is fixed at the bottom of the supporting groove block. The yaw clamp replacement assisting device is used for wind turbine generator yaw clamp replacement assistance.

Description

Auxiliary device is changed to wind turbine generator system driftage clamp

Technical Field

The utility model relates to the technical field of wind power generation, in particular to an auxiliary device for replacing yaw clamps of a wind turbine generator.

Background

In daily inspection and maintenance of the wind turbine generator, it is found that leakage oil exists in the yaw clamp of the wind turbine generator, sand holes and air holes exist in part of the clamp casting body, the leakage oil of the clamp body after pressurization is serious, and faults can be removed only by replacing a new clamp. Because the clamp is small in size and heavy, workers cannot hold the clamp by hand when the clamp is detached, cannot align bolt eyes when the clamp is installed, and has small working space, and too many people cannot insert the clamp, the disassembly and assembly difficulty of the yaw clamp is high, and a plurality of inconveniences are brought to the workers.

Disclosure of Invention

The utility model aims to provide an auxiliary device for replacing a yaw clamp of a wind turbine generator, which solves the problem of high dismounting difficulty of a yaw clamp in the prior art.

In order to achieve the above purpose, the utility model provides an auxiliary device for replacing a yaw clamp of a wind turbine, which comprises a screw shaft, a support sleeve, a supporting groove block and a wheel seat, wherein the screw shaft penetrates through a threaded hole in the center of the supporting groove block, the support sleeve is sleeved on the screw shaft and is in threaded connection with the screw shaft, and the wheel seat is fixed at the bottom of the supporting groove block.

As a further explanation of the auxiliary device for replacing yaw clamps of a wind turbine generator, preferably, the wheel seat comprises a square bottom plate, four fixing rods are fixed on the square bottom plate, and universal wheels are fixed at the end parts of each fixing rod.

As a further explanation of the auxiliary device for replacing the yaw clamp of the wind turbine generator, preferably, the sleeve comprises an outer sleeve and an outer screw sleeve, the outer sleeve is connected with the outer screw sleeve through a bearing, and a holding rod is fixed on the side surface of the outer screw sleeve.

As a further explanation of the auxiliary device for replacing the yaw clamp of the wind turbine generator, preferably, an opening is formed in the center of the square bottom plate.

As a further explanation of the auxiliary device for replacing the yaw clamp of the wind turbine generator, preferably, the supporting groove block has a groove type structure.

As a further illustration of a wind turbine yaw clamp replacement aid according to the utility model, the universal wheels are preferably provided with four groups.

As a further explanation of the yaw clamp replacement auxiliary device for a wind turbine according to the present utility model, preferably, the wheel seat is detachably connected to the bottom of the supporting groove block through a connecting plate.

The utility model has the beneficial effects that:

1. according to the yaw clamp, the screw shaft is arranged, when the yaw clamp is used, the screw shaft is rotated to penetrate through the connecting hole of the yaw clamp and then enters the threaded groove of the clamp disc to be in threaded connection with the threaded groove, the device is fixed, then the bolts of the yaw clamp are all detached, the support sleeve can realize the support of the yaw clamp, the height of the yaw clamp can be lowered until the yaw clamp is lowered onto the support groove block through the rotation of the support sleeve, and the auxiliary support for dismounting the yaw clamp can be realized.

2. The yaw clamp can be completely disassembled and then falls on the supporting groove block, so that the yaw clamp is convenient to replace.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a bottom view of the present utility model;

FIG. 5 is a schematic view of the structure of the inventive brace;

FIG. 6 is a schematic view of the structure of the present utility model in use;

FIG. 7 is a schematic view of the structure of the yaw clamp of the present utility model falling onto the support groove block after removal;

icon: 1. a support sleeve; 2. a screw shaft; 3. a support groove block; 4. a wheel seat; 5. a clamp plate; 6. yaw clamp; 7. a threaded hole; 11. a grip lever; 12. an outer screw sleeve; 13. a bearing; 14. an outer sleeve; 41. a square bottom plate; 42. a fixed rod; 43. a universal wheel; 44. and (5) opening holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1-7, the auxiliary device for replacing yaw clamps of a wind turbine generator provided by the utility model comprises a screw shaft 2, a support sleeve 1, a supporting groove block 3 and a wheel seat 4, wherein the screw hole 7 is formed in the center of the supporting groove block 3 and is penetrated by the screw shaft 2, the screw shaft is in threaded connection with the screw hole, the support sleeve 1 is sleeved on the screw shaft 2 and is in threaded connection with the screw shaft 2, and the wheel seat 4 is fixed at the bottom of the supporting groove block 3.

The wheel seat comprises a square bottom plate 41, four fixing rods 42 are fixed on the square bottom plate 41, the fixing rods are welded and fixed with the square bottom plate, and universal wheels 43 are fixed at the end parts of the fixing rods 42;

the square bottom plate is connected with the supporting groove block through a bolt, the supporting groove block 3 is of a groove type structure, and an opening 44 is formed in the center of the square bottom plate 41 and used for the passing of a screw shaft.

The support sleeve 1 comprises an outer sleeve 14 and an outer screw sleeve 12, the outer sleeve 14 and the outer screw sleeve 12 are connected through a bearing 13, a hand holding rod 11 is fixed on the side surface of the outer screw sleeve 12, the bearing is positioned in the middle of the outer sleeve, so that a yaw clamp falls on the outer sleeve when falling on the support sleeve, and the outer screw sleeve is connected with the outer sleeve through the bearing, so that the outer sleeve cannot rotate along with the outer screw sleeve due to the rotation of the outer screw sleeve, and the yaw clamp is stably supported;

working principle: when the yaw clamp is used, the device is pushed to the lower part of the yaw clamp, the yaw clamp is connected in a thread groove of the yaw disc through a connecting hole on the yaw clamp and then passes through the connecting hole by using a bolt, the connecting hole is a circular through hole, the installation of the yaw clamp is realized, and when the yaw clamp needs to be disassembled, the bolts of the yaw clamp are completely disassembled; the bolts at the middle part are all disassembled, and only two bolts are left at the edge; rotating the screw shaft to enable the screw shaft to rise in height, continuing to rotate to enable the screw shaft to pass through the connecting hole of the yaw clamp and then screwed into the thread groove of the clamp disc, and then rotating the support sleeve to enable the support sleeve to prop against the bottom of the yaw clamp; removing the residual bolts of the yaw clamps; at this moment, the yaw clamp falls on the support sleeve, then the outer sleeve is rotated to enable the height of the yaw clamp to gradually descend, then the height of the yaw clamp descends along with the yaw clamp until the yaw clamp falls on the support groove block, then the outer sleeve of the support sleeve is kept motionless, the screw shaft is rotated, the height of the screw shaft descends and is separated from the thread groove of the clamp disc, then the device is pushed away, then the outer sleeve is kept motionless, the screw shaft is rotated, the screw shaft gradually breaks away from the thread groove of the support groove block until the screw shaft is pulled out of the support groove block, at this moment, the yaw clamp can be replaced, a new yaw clamp is placed on the support groove block after replacement, then the screw shaft is screwed into the thread hole through the connecting hole of the yaw clamp again, then the device is pushed to the position where the yaw clamp needs to be installed, the screw shaft is rotated to enable the upper end to be screwed into the thread groove of the yaw disc, then the outer sleeve is rotated by the hand-held holding rod, the height of the support sleeve is lifted until the yaw clamp is lifted to the installation height, and then the yaw clamp is installed.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. Wind turbine generator system yaw clamp changes auxiliary device, a serial communication port, wind turbine generator system yaw clamp change auxiliary device include lead screw axle (2), brace (1), supporting groove piece (3) and wheel seat (4), lead screw axle (2) pass screw hole (7) at supporting groove piece (3) center, brace (1) cover lead screw axle (2) on and with lead screw axle (2) threaded connection, wheel seat (4) fix the bottom of supporting groove piece (3).

2. The yaw clamp replacement auxiliary device for the wind turbine generator system according to claim 1, wherein the wheel seat comprises a square bottom plate (41), four fixing rods (42) are fixed on the square bottom plate (41), and universal wheels (43) are fixed at the end parts of each fixing rod (42).

3. The auxiliary device for replacing yaw clamps of a wind turbine generator system according to claim 2, wherein the support sleeve (1) comprises an outer sleeve (14) and an outer screw sleeve (12), the outer sleeve (14) is connected with the outer screw sleeve (12) through a bearing (13), and a hand-held rod (11) is fixed on the side surface of the outer screw sleeve (12).

4. A wind turbine yaw clamp replacement aid according to claim 3, wherein an opening (44) is provided in the centre of the square base plate (41).

5. The auxiliary device for replacing the yaw clamp of the wind turbine generator system according to claim 4, wherein the supporting groove block (3) is of a groove type structure.

6. A wind turbine yaw clamp replacement aid according to claim 3, wherein the universal wheels (43) are provided with four sets.

7. The auxiliary device for replacing yaw clamps of a wind turbine generator according to claim 1, wherein the wheel seat (4) is detachably connected with the bottom of the supporting groove block (3) through a connecting plate.