CN220428228U

CN220428228U - Yaw caliper dismounting device

Info

Publication number: CN220428228U
Application number: CN202321954244.4U
Authority: CN
Inventors: 王传杰; 王超; 董月; 周伟; 梁友云; 王磊; 古海光; 梁少峰; 邵长顺
Original assignee: China Resources Power Wind Energy Yantai Co ltd
Current assignee: China Resources Power Wind Energy Yantai Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-02-02
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses a yaw caliper dismounting device, which comprises a screw rod, wherein the screw rod is provided with a first end and a second end which are opposite, the periphery of the screw rod is provided with external threads extending from the first end to the second end, and the external threads are in threaded fit with bolt holes on a yaw caliper; and the rotating seat is in threaded connection with the first end of the screw rod, is rotationally sleeved on the periphery of the screw rod and performs reciprocating motion along the axial direction of the screw rod. The utility model provides a yaw caliper dismounting device, which solves the problem that the existing yaw caliper is difficult to dismount.

Description

Yaw caliper dismounting device

Technical Field

The utility model relates to the technical field of yaw systems in wind power plants, in particular to a yaw caliper dismounting device.

Background

Yaw callipers are the main component part of wind turbine generator system yaw system, need examine and repair the yaw calliper every year and maintain, change and wash calliper friction disc, or trouble calliper change, if not in time change the friction disc, can cause the yaw ring to damage.

However, due to the fact that the size of the yaw calipers is large, the weight is heavy, even ninety kilograms are exceeded, and the dismounting difficulty of the yaw calipers is high; when the yaw calipers are dismounted, the manual lifting is mainly needed at present, and a manual chain-pulling method is used, so that the method is high in labor intensity, relatively large in labor quantity, low in labor efficiency and inconvenient for staff.

Disclosure of Invention

The utility model mainly aims to provide a yaw caliper dismounting device which aims to solve the problem that an existing yaw caliper is not easy to dismount.

In order to achieve the above object, the yaw caliper dismounting device provided by the utility model comprises:

the screw rod is provided with a first end and a second end which are opposite, the periphery of the screw rod is provided with external threads extending from the first end to the second end, and the external threads are in threaded fit with the bolt holes on the yaw calipers; and

The rotating seat is in threaded connection with the first end of the screw rod, and is rotationally sleeved on the periphery of the screw rod and reciprocates along the axial direction of the screw rod.

Optionally, in an embodiment of the present utility model, the rotating base includes:

the thread sleeve is sleeved on the periphery of the screw rod and is in threaded connection with the screw rod; and

The support frame is connected with the thread sleeve, and the thread sleeve is driven to reciprocate along the axial direction of the screw rod through rotation of the support frame.

Optionally, in an embodiment of the present utility model, the supporting frame includes:

a rotating ring; and

And one end of the supporting rod is connected with the threaded sleeve, the other end of the supporting rod is connected with the rotating ring, and the supporting rod is provided with a plurality of supporting rods.

Optionally, in an embodiment of the present utility model, a handle is further provided on the rotating ring, and the handle is provided on a side of the rotating ring facing away from the supporting rod and is fixedly connected with the rotating ring.

Optionally, in an embodiment of the present utility model, the supporting rod is obliquely disposed between the threaded sleeve and the rotating ring.

Alternatively, in an embodiment of the present utility model, a plurality of the support rods are disposed at regular intervals along the circumference of the rotating ring.

Optionally, in an embodiment of the present utility model, the yaw caliper dismounting device further includes a sleeve, the sleeve is sleeved on the outer periphery of the screw rod and slides along the axial direction of the screw rod, and the sleeve abuts against the rotating seat.

Optionally, in an embodiment of the present utility model, the yaw caliper dismounting device further includes a thrust bearing, where the thrust bearing is disposed at a junction of the sleeve and the rotating seat, and connects the sleeve and the rotating seat.

Optionally, in an embodiment of the present utility model, a washer is further disposed on a side of the rotating seat facing the sleeve, and the washer abuts against the thrust bearing.

Optionally, in an embodiment of the present utility model, the yaw caliper dismounting device further includes a nut, and the nut is screwed to the second end of the screw rod.

Compared with the prior art, in the technical scheme provided by the utility model, the device can be used for assisting in the disassembly and the assembly of the yaw calipers, when the yaw calipers need to be overhauled or disassembled, a torque wrench is used for loosening the bolts on the yaw calipers, then one bolt is disassembled, one end of the screw rod is arranged in one bolt hole of the yaw calipers, and the rotating seat is rotated to enable the screw rod to prop against the yaw calipers; and then removing the rest bolts, controlling the yaw calipers by the dismounting device, and slowly rotating the rotating seat in the opposite direction, so that the yaw calipers slowly move downwards until the yaw calipers move to a position where overhaul, maintenance or replacement can be completed. In addition, the installation process of yaw callipers is opposite with above-mentioned process, and the device aligns bolt hole convenient and fast, and whole operation process is very laborsaving, can effectively improve yaw calliper's maintenance or dismouting efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a yaw caliper assembly and disassembly apparatus of the present utility model;

FIG. 2 is an exploded view of one embodiment of the yaw caliper assembly and disassembly apparatus of the present utility model;

FIG. 3 is a schematic view of a rotating base of an embodiment of a yaw caliper assembly and disassembly apparatus according to the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Screw rod	2211	Handle
200	Rotary seat	223	Support bar
				210	Screw sleeve	300	Sleeve barrel
211	Gasket ring	400	Thrust bearing
				220	Supporting frame	500	Nut
221	Rotary ring

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Because the yaw calipers are large in size and heavy in weight, even more than ninety kilograms, the yaw calipers are difficult to assemble and disassemble; when the yaw calipers are dismounted, the manual lifting is mainly needed at present, and a manual chain-pulling method is used, so that the method is high in labor intensity, relatively large in labor quantity, low in labor efficiency and inconvenient for staff.

Based on the above, the utility model provides the yaw caliper dismounting device, and the screw rod in the yaw caliper dismounting device is matched with the bolt hole on the yaw caliper, so that the weight of the yaw caliper is converted into the friction force of the screw rod by utilizing the pushing principle of the screw thread on the screw rod, and the labor intensity of workers is greatly reduced. The device simple structure, small, portable simple to operate, easy operation has improved work efficiency.

As shown in fig. 1 to 3, the yaw caliper dismounting device includes:

the screw rod 100 is provided with a first end and a second end which are opposite, and the periphery of the screw rod 100 is provided with external threads extending from the first end to the second end, and the external threads are in threaded fit with the bolt holes on the yaw calipers; and

The rotating seat 200 is in threaded connection with the first end of the screw rod 100, and the rotating seat 200 is rotationally sleeved on the periphery of the screw rod 100 and performs reciprocating motion along the axial direction of the screw rod 100.

In the technical scheme adopted by the embodiment, the device can be used for assisting in dismounting and mounting of the yaw calipers, when the yaw calipers need to be overhauled or dismounted, a torque wrench is used for loosening the bolts on the yaw calipers, then one bolt is dismounted, one end of the screw rod 100 is mounted in one bolt hole of the yaw calipers, and the rotating seat 200 is rotated to enable the rotating seat to prop against the yaw calipers; the remaining bolts are then removed, the yaw calipers are controlled by the dismounting device, and then the rotating base 200 is slowly rotated in the opposite direction, so that the yaw calipers slowly move downwards until the yaw calipers move to a position where overhaul, maintenance or replacement can be completed. In addition, after the maintenance is completed, the installation process of the yaw caliper is opposite to the above process, one end of the screw rod 100 is installed in one of the bolt holes of the yaw caliper, and the rotating seat 200 is rotated to be approximately fixed with the wind power main machine by propping against the yaw caliper; and then installing the rest bolts on the yaw calipers, fixing the yaw calipers and the host bolts, then slowly rotating the rotating seat 200 in the opposite direction, taking down the screw rod 100, and then tightening and fixing the other bolt hole by the bolts. The device aligns bolt hole convenient and fast, and whole operation process is very laborsaving, can effectively improve yaw calliper's maintenance or dismouting efficiency.

Specifically, the length of the screw 100 is not specifically limited in this embodiment, and may be selected according to the length of the yaw caliper, and preferably, the length of the screw 100 should be slightly greater than the length of the bolt hole in the yaw caliper. The diameter of the screw 100 is not particularly limited, and may be adapted to the bolt hole of the yaw caliper. It should be noted that the shape and the material of the rotary table 200 are not particularly limited, as long as the yaw caliper is supported. In the practical application process, the yaw calipers are generally fixed by adopting a plurality of bolts. When carrying out the dismouting, consider yaw calliper weight great, can adopt two this dismouting devices to accomplish the dismouting of yaw calliper simultaneously, for example when yaw calliper adopts four bolts to fix, when dismantling, can loosen the back with first and fourth bolt, two lead screws 100 are packed into wherein respectively, so, can improve the equilibrium to yaw calliper is fixed. It will be appreciated that both of these devices may also be used to provide support to the yaw caliper when the yaw caliper is installed.

Optionally, as shown in fig. 3, in an embodiment of the present utility model, the rotating base 200 includes:

the thread sleeve 210 is sleeved on the periphery of the screw rod 100 and is in threaded connection with the screw rod 100; and

The support 220 is connected with the screw sleeve 210, and the screw sleeve 210 is driven to reciprocate along the axial direction of the screw rod 100 by the rotation of the support 220.

Specifically, the threaded sleeve 210 in the rotating seat 200 is in threaded connection with the screw rod 100 in this embodiment, and it can be understood that the interior of the threaded sleeve 210 has an internal thread that mates with an external thread on the screw rod 100; it should be noted that, the supporting frame 220 not only can enhance the strength of the rotating seat 200, but also can drive the threaded sleeve 210 to reciprocate along the axial direction of the screw rod 100 through rotation of the supporting frame. The material of the support frame 220 is not particularly limited, and for example, a metal alloy, glass fiber reinforced plastic, or the like may be used as long as it has high strength. Preferably, the screw sleeve 210 and the supporting frame 220 are manufactured by integral molding in order to simplify the manufacturing process.

Optionally, as shown in fig. 3, in an embodiment of the present utility model, the support frame 220 includes:

a rotating ring 221; and

The supporting rod 223, one end of the supporting rod 223 is connected with the threaded sleeve 210, the other end is connected with the rotating ring 221, and the supporting rod 223 is provided with a plurality of supporting rods.

Specifically, in order to improve the supporting strength of the overall structure, the supporting frame 220 in this embodiment includes a rotation ring 221 and a supporting rod 223, and the entire rotation seat 200 can be moved in a direction approaching or separating from the yaw caliper by the rotation of the rotation ring 221 during the disassembly and assembly of the yaw caliper. Preferably, the supporting rod 223 is disposed between the threaded sleeve 210 and the rotating ring 221 at a certain inclination angle, and the inclination angle of the supporting rod 223 is not particularly limited in this embodiment. Further, in order to improve the overall stability of the structure of the support frame 220, a plurality of support rods 223 are uniformly spaced along the circumference of the rotation ring 221.

Alternatively, as shown in fig. 3, in an embodiment of the present utility model, in order to facilitate the rotation of the rotating ring 221, a handle 2211 may be further disposed on a side of the rotating ring 221 away from the supporting rod 223, where the handle 2211 is fixedly connected to the rotating ring 221, for example, may be welded or riveted, etc., and when the rotating seat 200 needs to be rotated, an operator only needs to hold the handle 2211 to rotate in a desired direction.

Alternatively, as shown in fig. 2, in an embodiment of the present utility model, in order to increase the supporting force of the device on the yaw caliper, a socket 300 may be further provided in the yaw caliper assembling and disassembling device, and by sleeving the socket 300 on the outer circumference of the screw rod 100 to abut against the rotating seat 200, and sliding along the axial direction of the screw rod 100 may be performed following the rotation of the rotating seat 200, when the rotating seat 200 approaches the position of the yaw caliper, one end of the socket 300 abuts against the rotating seat 200, and the other end abuts against the yaw caliper, so as to play a role of supporting the yaw caliper.

Alternatively, as shown in fig. 2, in an embodiment of the present utility model, in order to transfer the axial load of the rotating hub 200 to the yaw caliper, a thrust bearing 400 may be further provided in the yaw caliper attaching/detaching device, and the thrust bearing 400 is provided at the junction of the hub 300 and the rotating hub 200 to connect the hub 300 and the rotating hub 200. In this embodiment, friction during the removal or installation of the yaw caliper can be minimized by the action of the thrust bearing 400.

Optionally, as shown in fig. 3, in an embodiment of the present utility model, in order to better achieve the effect of transmitting the axial torque from the rotating seat 200 to the thrust bearing 400, a washer 211 is further disposed on a side of the rotating seat 200 facing the sleeve 300, and the washer 211 abuts against the thrust bearing 400, preferably, the outer diameter of the washer 211 is equal to the outer diameter of the thrust bearing 400.

Optionally, as shown in fig. 1-2, in an embodiment of the present utility model, in order to prevent the sleeve 300 from slipping off the screw 100 during the carrying and transferring of the yaw caliper removing device, the yaw caliper removing device further includes a nut 500, and the nut 500 is screwed to the second end of the screw 100, so as to prevent the sleeve 300 from being separated from the screw 100.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. Yaw calliper dismouting device, its characterized in that includes:

2. Yaw caliper dismounting apparatus of claim 1 wherein the swivel mount comprises:

3. Yaw caliper dismounting apparatus of claim 2 wherein the support bracket includes:

a rotating ring; and

4. The yaw caliper dismounting device of claim 3, wherein a handle is further provided on the rotating ring, and the handle is provided on a side of the rotating ring away from the support rod and fixedly connected with the rotating ring.

5. A yaw caliper mounting/dismounting device as claimed in claim 3, wherein the support bar is provided obliquely between the screw bush and the rotating ring.

6. The yaw caliper mounting/dismounting device of claim 5, wherein a plurality of the support bars are provided at regular intervals along the circumference of the rotating ring.

7. The yaw caliper dismounting device of claim 1, further comprising a sleeve, wherein the sleeve is sleeved on the outer periphery of the screw rod and slides along the axial direction of the screw rod, and the sleeve is abutted with the rotating seat.

8. The yaw caliper removal device of claim 7, further comprising a thrust bearing disposed at a junction of the hub and the rotating mount to connect the hub and the rotating mount.

9. Yaw caliper mounting/dismounting device according to claim 8, characterized in that the side of the swivel seat facing the sleeve is further provided with a washer, and the washer is in abutment with the thrust bearing.

10. Yaw caliper dismounting apparatus of any one of claims 1-9, further comprising a nut threadedly connected to the second end of the screw.