CN218619828U

CN218619828U - Backing plate disengaging device for wind power generation blade lifting appliance

Info

Publication number: CN218619828U
Application number: CN202223162534.3U
Authority: CN
Inventors: 张腾云; 袁鹏飞; 王诗鸿; 张恒; 于春生
Original assignee: Cooper New Energy Co ltd
Current assignee: Cooper New Energy Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-14
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a backing plate disengaging device for wind power generation blade hoist. The device comprises a winch, a main pull cable and two split pull cables, wherein the split pull cables are connected with the main pull cable through cable connectors; the cable guiding device comprises an outer support, an upper cable guiding beam, a second cable wheel, a pipe sleeve type base with an opening at the outer side, an inner side longitudinal supporting rod, an inclined support bracket, an outer side longitudinal supporting rod, a lower cable guiding beam and third cable wheels, wherein the upper cable guiding beam is arranged on the beam, the two ends of the upper cable guiding beam are provided with the first cable wheels, the outer end of the outer support is provided with the second cable wheels, the lower part of the outer end of the outer support is provided with the pipe sleeve type base with an opening at the outer side, the inner side longitudinal supporting rod is hinged and arranged in the pipe sleeve type base, the lower part of the inner side longitudinal supporting rod is provided with the inclined support bracket, the outer end of the inclined support bracket is provided with the outer side longitudinal supporting rod, the lower cable guiding beam is arranged at the lower end of the outer side longitudinal supporting rod, and the two ends of the lower cable guiding beam are provided with the third cable wheels; the two split pull cables sequentially bypass the first cable wheel, the second cable wheel and the third cable wheel on the side, and the end parts of the two split pull cables are connected with the protective backing plate. The utility model discloses a backing plate separation device structural design is reasonable, controllable operation.

Description

Backing plate separation device for wind power generation blade lifting appliance

Technical Field

The utility model belongs to the technical field of wind-powered electricity generation construction equipment, especially, relate to a backing plate disengaging device for wind power generation blade hoist.

Background

With the progress of the technology and the gradual increase of the demand of people for clean energy, the wind power generation technology is developed greatly. Wind power generation refers to the conversion of wind energy into electrical energy by using wind power generation facilities, which generally include a wind turbine tower, wind blades and a generator set. The construction modes of the on-road wind power facility and the offshore wind power facility are basically the same: firstly, a supporting base is built, then a tower is constructed and installed on the supporting base, then a generator set is installed at the top of the tower, and then blades are installed on the generator set. The wind power generation blade is large in length and size and irregular in shape, so that the transfer, transportation and hoisting construction of the blade are difficult, and the research and development focus in the industry is on how to stably and reliably transport and stably and reliably construct and install the blade.

The existing blade lifting appliance can only apply simple lifting operation to the blade generally, the stability of the blade in the lifting installation construction process is insufficient due to the lack of effective auxiliary stabilizing means in the blade lifting moving process, the construction effect is influenced, and meanwhile, the combination and separation control between the lifting appliance and the blade are also one of important links. The existing blade lifting appliance is not enough in the aspects of construction stability, convenience, transfer convenience and the like, a novel special lifting appliance for the blades needs to be developed and designed according to needs in the industry, the special lifting appliance is used for lifting the flat edges of the blades due to the fact that the lifting belt of the special lifting appliance acts on the flat edges of the blades, a protection base plate needs to be arranged between the lifting belt and the edges of the blades, the protection base plate needs to be controllably separated from the edges of the blades after lifting construction is completed, and therefore a base plate separation device which is reasonable in structure and controllable needs to be developed and designed for the special lifting appliance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a backing plate disengaging device for wind power generation blade lifting appliance with reasonable structural design and controllable operation for solving the technical problem existing in the prior art.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a backing plate separation device for a wind power generation blade lifting appliance comprises a winch, a main pull cable wound and unwound by the winch and two split pull cables, wherein the split pull cables are connected with the main pull cable through cable connectors; the cable guide device comprises a hoisting device beam, an upper cable guide beam, second cable wheels, an outer support, an inner longitudinal support rod, an inclined support rod, an outer longitudinal support rod, a lower cable guide beam, third cable wheels, a first cable wheel, a second cable wheel, a pipe sleeve type base and a third cable wheel, wherein the upper cable guide beam is arranged at the end part of the hoisting device beam; the two split pull cables sequentially bypass the first cable wheel, the second cable wheel and the third cable wheel on the side, and the end parts of the two split pull cables are connected with the protective backing plate.

Preferably: the two ends of the lower cable guide beam are respectively provided with two third cable wheels, the split cable occupies one third cable wheel, and the manual separation cable occupies the other third cable wheel.

Preferably: the pipe sleeve type base is provided with a plurality of groups of pin holes from top to bottom, the upper end of the inner side longitudinal supporting rod is provided with the pin hole, and the upper end of the inner side longitudinal supporting rod is connected with the pipe sleeve type base through a pin shaft positioned in the pin hole.

Preferably: the lower end of the inner side longitudinal strut is provided with a roller.

Preferably: the cable limiting device comprises a limiting device support and two opposite limiting rollers arranged on the limiting device support, and the main pull cable penetrates through a gap between the two limiting rollers.

Preferably: the cable connector is triangular, the outer end of the main pull cable is connected with the tip end of the cable connector, and the upper ends of the two split pull cables are connected with the two bottom corners of the cable connector.

Preferably: the main pull cable and the split pull cable are connected with the cable connector through shackles, and the ends of the split pull cable and the manual separation cable are connected with the protective backing plate through shackles.

Preferably: a protective cover is also arranged above the winch.

The utility model has the advantages that:

the utility model provides a backing plate disengaging device for wind power generation blade hoist that structural design is reasonable receives the main cable that draws that unreels through setting up by the winch, provides necessary pulling force for the separation of protection backing plate and blade. Through setting up two components of a whole that can function independently pull cables and components of a whole that can function independently pull cable and protection backing plate are connected, realized carrying out the technological effect of tractive to the protection backing plate from two positions about to, guaranteed the stability of protection backing plate from blade edge disengagement process, through setting up cable guide crossbeam and first cable wheel on the roof beam, upper portion cable guide crossbeam and second cable wheel, lower part cable guide crossbeam and third cable wheel, realized the direction removal to two components of a whole that can function independently pull cables, cooperation cable connector can make two components of a whole that can function independently pull cable synchronous motion, further promote the stability of protection backing plate from blade edge disengagement process.

The pipe sleeve type base is arranged on the lower portion of the outer support, the inner side longitudinal supporting rod is hinged and arranged in the pipe sleeve type base, the outer side longitudinal supporting rod is arranged on the lower portion of the inner side longitudinal supporting rod through the inclined strut support, in the process that the blade lifting appliance is placed towards the ground and gradually contacts with the ground, the lower portion cable guide cross beam and the third cable wheel firstly contact with the ground, therefore, the lower portion of the base plate disengaging device deflects outwards in the process that the lifting appliance is placed downwards, and rigid contact between the lower portion of the base plate disengaging device and the ground is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the application state structure of the present invention.

In the figure:

1. a protective cover; 2. a winch; 3. a cable stop; 4. a main pull cable; 5. shackle dismounting; 6. a cable connector; 7. a first sheave; 8. guiding a cable cross beam on the beam; 9. a second sheave; 10. an upper fairlead beam; 11. an outer support; 12. a pipe-in-pipe base; 13. an inboard longitudinal strut; 14. a roller; 15. a split cable is pulled; 16. a diagonal bracing support; 17. an outboard longitudinal strut; 18. a lower fairlead beam; 19. manually disengaging the cable; 20. a third sheave.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1, the backing plate detaching device for a wind turbine blade lifting tool of the present invention includes a main stay cable 4 wound and unwound by a winch 2 and two split stay cables 15, wherein the split stay cables 15 are connected to the main stay cable 4 by a cable connector 6. When the winch 2 retracts and unwinds the main pull cable 4, the two split pull cables 15 are synchronously pulled and moved.

Winch 2 installs in cable suspension device's crossbeam middle part, in order to protect winch 2, still installs protection casing 1 above it, and protection casing 1 mainly plays rainproof function, avoids winch 2 to be drenched by rain.

In this embodiment, the cable connector 6 is triangular, the outer end of the main pulling cable 4 is connected to the tip of the cable connector 6, and the upper ends of the two split pulling cables 15 are connected to the two bottom corners of the cable connector 6. Furthermore, the main pull cable 4 and the split pull cable 15 are connected with the cable connector 6 by the shackle 5, so that the connection and the disassembly can be carried out quickly and conveniently.

In this embodiment, in order to improve the stability of the main stay cable 4 during movement, the winch further comprises a cable stopper 3, the cable stopper 3 comprises a stopper support and two opposite limiting rollers installed on the stopper support, the main stay cable 4 penetrates through a gap between the two limiting rollers, and the cable stopper 3 is usually installed on a cross beam of the hanging device and located on the outer side of the winch 2.

The cable guide device is characterized by further comprising a cable guide beam 8 arranged on the beam at the end part of the beam of the hanging device, wherein first cable wheels 7 are arranged at two ends of the cable guide beam 8 on the beam, the first cable wheels 7 flexibly rotate, and the cable guide beam 8 on the beam is fixedly connected with the beam of the hanging device through bolts.

The device is characterized by further comprising an outer support 11 arranged at the outer end of the beam of the hoisting device, an upper cable guide beam 10 is arranged above the outer end of the outer support 11, second cable wheels 9 are arranged at two ends of the upper cable guide beam 10, the second cable wheels 9 flexibly rotate, the outer support 11 is fixedly connected with the beam of the hoisting device through bolts, and the upper cable guide beam 10 is fixedly welded with the outer support 11.

A pipe sleeve type base 12 with an opening at the outer side is installed below the outer end of the outer support 11, an inner longitudinal support rod 13 is hinged in the pipe sleeve type base 12, an inclined support bracket 16 is installed on the outer side of the lower portion of the inner longitudinal support rod 13, an outer longitudinal support rod 17 is installed at the outer end of the inclined support bracket 16, a lower cable guide cross beam 18 is installed at the lower end of the outer longitudinal support rod 17, third cable wheels 20 are installed at two ends of the lower cable guide cross beam 18, and the third cable wheels 20 flexibly rotate.

As shown in the drawing, the tube-in-tube base 12 is formed by splicing three base plates of a front portion, a rear portion and an inner side, the outer side is open, so that the cross section is U-shaped, and a plurality of reinforcing ribs are provided on the outer portion thereof for the purpose of raising the overall structural strength of the tube-in-tube base 12. In this embodiment, a plurality of pin holes are formed in the pipe-sleeve base 12 from top to bottom, a pin hole is formed in the upper end of the inner longitudinal strut 13, the upper end of the inner longitudinal strut 13 is connected to the pipe-sleeve base 12 by a pin located in the pin hole, and the hinge connection position between the inner longitudinal strut 13 and the pipe-sleeve base 12 can be adjusted as required.

The inner end of the inclined strut support 16 is welded and fixed with the inner side longitudinal support rod 13, the outer end of the inclined strut support 16 is welded and fixed with the outer side longitudinal support rod 17, and the middle part of the lower cable guide cross beam 18 is welded and fixed with the lower end of the outer side longitudinal support rod 17.

In this embodiment, rollers 14 are mounted at the lower end of the inner longitudinal struts 13. In the process of parking the blade lifting appliance to the ground, the bottom of the base plate separation device is in contact with the ground prior to the main body part of the lifting appliance, the lifting appliance is continuously placed, the lower part of the base plate separation device swings outwards until the main body part of the lifting appliance is stably placed on the ground, the lower part of the base plate separation device reaches the maximum swing position, and in the process, the roller 14 and the third cable wheel 20 are in contact rolling with the ground, so that the base plate separation device can be prevented from being in rigid contact with the ground due to the structural design.

The middle parts of the two split stay cables 15 sequentially pass around the first cable wheel 7, the second cable wheel 9 and the third cable wheel 20 on the side, and the end parts of the two split stay cables are connected with the protective backing plate. The first cable wheel 7, the second cable wheel 9 and the third cable wheel 20 guide the split stay cable 15, the moving smoothness of the split stay cable 15 is improved, meanwhile, the cable wheels on the two sides can guarantee the synchronous movement of the two split stay cables 15, and the stability of the double-point traction effect applied to the protection pad is improved.

In this embodiment, two manual disengaging cables 19 are further included, and two third cable wheels 20 are respectively disposed at two ends of the lower cable guiding beam 18, wherein the split cable 15 occupies one third cable wheel 20, and the manual disengaging cable 19 occupies the other third cable wheel 20. The manual disengagement cable 19 is provided for: in some cases, the winch 2 may experience a power outage problem, where the release cable 19 may be pulled manually to apply an outward-facing traction force to the protective pad, forcing the protective pad away from the edge of the blade.

In the embodiment, the end parts of the split stay cable 15 and the manual separation cable 19 are connected with the protective backing plate by the shackle 5, so that the split stay cable can be quickly and conveniently connected and detached.

Application mode and working process please refer to fig. 2, which can be seen that:

the backing plate separation device is arranged on a hanging device of a special lifting appliance, a winch 2 and a cable limiter 3 are arranged in the middle of a beam of the hanging device, an upper beam cable guide beam 8 is arranged above the end part of the beam, and an outer support 11 is arranged at the outer end of the beam;

before the construction of hoist and mount to the blade, set up the protection backing plate between the flat edge of blade suspender and blade, the protection backing plate is drawn cable 15 and manual separation hawser 19 with two components of a whole that can function independently and is connected, when the blade was accomplished to the installation on the wind-powered electricity generation unit, start winch 2 and draw cable 4 to rolling to the owner, then two components of a whole that can function independently draw cable 15 and apply the tractive pulling force towards the outside simultaneously to the protection backing plate, force protection backing plate and blade to break away from, when the system power failure problem appears, winch 2 can't start, draw two manual separation hawser 19 by the manual work outwards this moment, force protection backing plate and blade to break away from.

Claims

1. The utility model provides a backing plate disengaging gear for wind power generation blade hoist, characterized by: the winch comprises a winch (2), a main pull cable (4) wound and unwound by the winch (2) and two split pull cables (15), wherein the split pull cables (15) are connected with the main pull cable (4) through cable connectors (6); the cable-guiding device is characterized by further comprising an upper cable-guiding beam (8) arranged at the end part of the beam of the hanging device, first cable wheels (7) are arranged at two ends of the upper cable-guiding beam (8) on the beam, an outer support (11) arranged at the outer end of the beam of the hanging device, an upper cable-guiding beam (10) is arranged above the outer end of the outer support (11), second cable wheels (9) are arranged at two ends of the upper cable-guiding beam (10), a pipe sleeve type base (12) with an opening at the outer side is arranged below the outer end of the outer support (11), an inner longitudinal support rod (13) is hinged and arranged in the pipe sleeve type base (12), an inclined support bracket (16) is arranged at the outer side of the lower part of the inner longitudinal support rod (13), an outer longitudinal support rod (17) is arranged at the outer end of the inclined support bracket (16), a lower cable-guiding beam (18) is arranged at the lower end of the outer longitudinal support rod (17), and third cable wheels (20) are arranged at two ends of the lower cable-guiding beam (18); the two split pulling cables (15) sequentially pass around the first cable wheel (7), the second cable wheel (9) and the third cable wheel (20) on the side, and the end parts of the two split pulling cables are connected with the protective backing plate.

2. The spacer release device for a wind turbine blade sling according to claim 1, characterised in that: the cable pulling device is characterized by further comprising two manual separation cables (19), two third cable wheels (20) are respectively arranged at two ends of the lower cable guiding beam (18), the split cable pulling (15) occupies one third cable wheel (20), and the manual separation cable (19) occupies the other third cable wheel (20).

3. The spacer release device for a wind turbine blade sling according to claim 2, characterised in that: a plurality of groups of pin holes are arranged on the pipe sleeve type base (12) from top to bottom, the upper end of the inner side longitudinal strut (13) is provided with the pin hole, and the upper end of the inner side longitudinal strut (13) is connected with the pipe sleeve type base (12) by a pin shaft positioned in the pin hole.

4. The backing plate release device for a wind-power-generation blade sling according to claim 3, wherein: the lower end of the inner longitudinal strut (13) is provided with a roller (14).

5. The spacer release device for wind turbine blade slings of claim 4, wherein: the cable pulling device is characterized by further comprising a cable limiter (3), wherein the cable limiter (3) comprises a limiter support and two opposite limiting rollers installed on the limiter support, and the main pulling cable (4) penetrates through a gap between the two limiting rollers.

6. The backing plate release device for a wind-power-generation blade sling according to claim 5, wherein: the cable connector (6) is triangular, the outer end of the main stay cable (4) is connected with the tip end of the cable connector (6), and the upper ends of the two split stay cables (15) are connected with two bottom corners of the cable connector (6).

7. The spacer release device for a wind turbine blade sling according to claim 6, characterised in that: the main pull cable (4) and the split pull cable (15) are connected with the cable connector (6) through the shackle (5), and the ends of the split pull cable (15) and the manual separation cable (19) are connected with the protective backing plate through the shackle (5).

8. The spacer release device for a wind turbine blade sling according to claim 7, characterised in that: a protective cover (1) is also arranged above the winch (2).