CN215984269U

CN215984269U - Blade zero calibration device for assembling blades of wind turbine generator

Info

Publication number: CN215984269U
Application number: CN202121864972.7U
Authority: CN
Inventors: 韩明帅
Original assignee: Individual
Current assignee: Shanghai Energy Technology Development Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-08
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a blade zero calibration device for assembling blades of a wind turbine generator, which comprises a shell, two movable plates, a fixed sleeve and an indicating rod, wherein the two movable plates are connected to two sides of the shell, a gear box is connected to the rear end of the inner bottom wall of the shell, a rotating shaft is connected to the top of the gear box, the top end of the rotating shaft penetrates through the top wall of the shell, a first rotating handle is connected to the top of the rotating shaft, the bottom end of the rotating shaft extends into the gear and is connected with a driving bevel gear, two driven bevel gears are meshed below the driving bevel gear, screw rods are connected to the opposite surfaces of the two driven bevel gears, the screw rods are positioned in the gear box, and ejector rods are sleeved on the outer walls of the screw rods. Has the advantages that: this zero calibration device is light easily to carry, through setting up two gauge rods, can accurately carry out zero calibration operation, and two gauge rods can be to the extension of both ends, have solved the problem that zero pointer and zero bit mark distance are far away, improve zero calibration precision.

Description

Blade zero calibration device for assembling blades of wind turbine generator

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a blade zero calibration device for assembling blades of a wind turbine generator.

Background

The wind generating set comprises a wind wheel and a generator, wherein the wind wheel comprises blades, a hub, a reinforcing member and the like, the wind wheel has the functions of generating electricity by the rotation of the blades by wind power, rotating a generator head and the like, a wind generating power supply comprises the wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like, the blades of the wind generating set are assembled to be zero-corrected to ensure the zero position of the blades, the existing zero-correcting operation is usually carried out according to the zero position mark of the root part of the blades and a zero position pointer arranged on a variable-pitch bearing, then the worker aligns the zero pointer and the zero mark by visual observation so as to realize zero calibration operation, however, the zero pointer and the zero mark are not on the same plane and are separated by a certain distance, so that a large error is generated in the visual zero calibration, and the performance of the wind turbine generator is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a blade zero calibration device for assembling a wind turbine blade.

The utility model realizes the purpose through the following technical scheme:

a blade zero calibration device for assembling blades of a wind turbine generator comprises a shell, two movable plates, a fixed sleeve and an indication rod, wherein the two movable plates are connected to two sides of the shell and used for installing a sliding block and enabling the device to be placed more stably, when the movable plates are in a horizontal state, the bottom walls of the movable plates and the bottom wall of the shell are located on the same horizontal plane, when the movable plates are in a vertical state, the movable plates are located in the shell, the rear end of the inner bottom wall of the shell is connected with a gear box, the top of the gear box is connected with a rotating shaft, the rotating shaft is used for driving a driving bevel gear to rotate, the top end of the rotating shaft penetrates through the top wall of the shell, the top of the rotating shaft is connected with a first rotating handle, the first rotating handle is used for rotating the rotating shaft, the bottom end of the rotating shaft extends into the gear box and is connected with a driving bevel gear, and the driving bevel gear is used for driving a driven bevel gear to rotate, two driven bevel gears are meshed below the driving bevel gear and are used for driving a screw to rotate, screw rods are connected to the opposite surfaces of the two driven bevel gears and are used for driving ejector rods to move left and right, the screw rods are located in the gear box, ejector rods are sleeved on the outer walls of the screw rods, internal threads are arranged on the inner walls of the ejector rods, one ends, far away from the driven bevel gears, of the ejector rods extend out of the gear box, sliding strips are connected to the front side and the rear side of the outer walls of the ejector rods and are used for preventing the ejector rods from rotating and enabling the ejector rods to move left and right, accommodating grooves for sliding of the sliding strips are formed in the inner walls of the front side and the rear side of the gear box, the sliding strips are located in the accommodating grooves, sliding grooves are formed in the tops of the movable plates, sliding blocks are connected in the sliding grooves, and springs are connected to one sides, far away from the gear box, of the sliding blocks, the spring is used for restoring the sliding block to an initial position, the spring is located in the sliding groove, the other end of the spring is connected with the inner wall of the sliding groove, the sliding block is used for installing a rotating plate and the fixed sleeve, a groove is formed in the rear end of the top of the sliding block, the rotating plate is connected in the groove and used for driving the sliding block to move, the rotating plate is located on two sides of the ejector rod, one side, away from the gear box, of the sliding block is connected with the fixed sleeve, the fixed sleeve is used for adjusting the length of the indicating rod, internal threads are arranged on the inner wall of the fixed sleeve, the indicating rod is connected in the fixed sleeve and used for aligning a zero-position pointer and a zero-position mark, threads are arranged on the outer wall of the indicating rod, one end, away from the sliding block, of the indicating rod is arranged in a conical shape, and the two indicating rods are located on the same axis in a horizontal state, the fixed sleeve is kept away from the top of slider one end is connected with the threaded rod, the threaded rod is used for the fastening the indicator lever, the threaded rod bottom stretches into inside the fixed sleeve and with the indicator lever contact, the threaded rod top is connected with the second and changes the handle, the second is changeed the handle and is used for rotating the threaded rod.

In the structure, the movable plate is rotated to be in a horizontal state, the rotating plate is rotated to enable the rotating plate to be positioned on two sides of the ejector rod, the rotating shaft is rotated through the first rotating handle, the rotating shaft drives the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the screw rod to rotate, the screw rod drives the ejector rod to move towards two sides, the ejector rod pushes the rotating plate towards two sides, the rotating plate drives the sliding block to move towards two sides, the fixed sleeve extends outwards, the indicating rod is rotated to extend out of the fixed sleeve, the threaded rod is rotated through the second rotating handle to press the indicating rod, then one end of the indicating rod is aligned to a zero pointer on the variable pitch bearing, and a zero mark on the blade is aligned to the indicating rod at the other end, and after the zero calibration operation is finished, the indicating rod is retracted into the fixed sleeve, the ejector rod is retracted into the gear box, the sliding block is rebounded to the initial position by the spring, the movable plate is rotated into the shell, so that the zero calibration device is closed, and a certain protection effect is achieved.

Preferably, the movable plate is hinged to the housing, the gear box is welded to the housing, the rotating shaft is connected to a bearing of the gear box, the rotating shaft is connected to a bearing of the housing, and the first rotating handle is welded to the rotating shaft.

Preferably, the driving bevel gear is in key connection with the rotating shaft, the driven bevel gear is in key connection with the screw rod, the screw rod is in threaded connection with the ejector rod, the ejector rod is welded with the sliding strip, and the sliding strip is in sliding connection with the gear box.

Preferably, the slider with spout sliding connection, the commentaries on classics board with the recess is rotated and is connected, fixed sleeve with the slider welding, the indicator lever with fixed sleeve threaded connection, the threaded rod with fixed sleeve threaded connection, the second is changeed the handle with the threaded rod welding.

Has the advantages that: this zero calibration device is light easily to carry, through setting up two gauge rods, can accurately carry out zero calibration operation, and two gauge rods can be to the extension of both ends, have solved the problem that zero pointer and zero bit mark distance are far away, improve zero calibration precision.

Drawings

FIG. 1 is a perspective view of a blade zero alignment device for assembling a wind turbine blade according to the present invention;

FIG. 2 is a front view of a blade zero alignment device for assembling a wind turbine blade according to the present invention;

FIG. 3 is a schematic view of the internal structure of a gear box of the blade zero calibration device for assembling the blades of the wind turbine generator set;

FIG. 4 is an enlarged view of the structure at the position A of the blade zero calibration device for assembling the blades of the wind turbine generator set;

FIG. 5 is a schematic view of the internal structure of the fixing sleeve of the blade zero calibration device for assembling the blades of the wind turbine generator.

The reference numerals are explained below: 1. a housing; 2. a movable plate; 3. a first rotating handle; 4. a rotating shaft; 5. a gear case; 6. a drive bevel gear; 7. a driven bevel gear; 8. a screw; 9. a top rod; 10. a slide bar; 11. a chute; 12. a slider; 13. fixing the sleeve; 14. an indication lever; 15. a threaded rod; 16. a second rotating handle; 17. a groove; 18. rotating the plate; 19. a spring.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-5, a blade zero calibration device for assembling blades of a wind turbine generator comprises a housing 1, two movable plates 2, a fixed sleeve 13 and an indication rod 14, wherein two movable plates 2 are connected to two sides of the housing 1, when the movable plates 2 are in a horizontal state, the bottom walls of the movable plates and the bottom wall of the housing 1 are located on the same horizontal plane, when the movable plates 2 are in a vertical state, the movable plates 2 are located in the housing 1, the rear end of the inner bottom wall of the housing 1 is connected with a gear box 5, the top of the gear box 5 is connected with a rotating shaft 4, the top end of the rotating shaft 4 penetrates through the top wall of the housing 1, the top of the rotating shaft 4 is connected with a first rotating handle 3, the bottom end of the rotating shaft 4 extends into the gear box 5 and is connected with a driving bevel gear 6, two driven bevel gears 7 are engaged below the driving bevel gear 6, the opposite back surfaces of the two driven bevel gears 7 are both connected with a screw 8, the screw 8 is located in the gear box 5, and an ejector rod 9 is sleeved on the outer wall of the screw rod 8, the inner wall of the ejector rod 9 is provided with internal threads, one end of the ejector rod 9, far away from the driven bevel gear 7, extends out of the gear box 5, the front side and the rear side of the outer wall of the ejector rod 9 are connected with a slide bar 10, the inner walls of the front side and the rear side of the gear box 5 are provided with accommodating grooves for the slide bar 10 to slide, the slide bar 10 is positioned in the accommodating grooves, the top of the movable plate 2 is provided with a chute 11, the chute 11 is internally connected with a slide block 12, one side of the slide block 12, far away from the gear box 5, is connected with a spring 19, the spring 19 is positioned in the chute 11, the other end of the spring 19 is connected with the inner wall of the chute 11, the rear end of the top of the slide block 12 is provided with a groove 17, the groove 17 is internally connected with a rotating plate 18, the rotating plate 18 is positioned at two sides of the ejector rod 9, one side of the slide block 12, far away from the gear box 5, the inner wall of the fixing sleeve 13 is provided with internal threads, the internal threads are connected with the fixed sleeve 13, the indicating rod 14, one end that slider 12 was kept away from to instruction pole 14 sets up to the circular cone type, and two instruction poles 14 are located the same axis when the horizontality, and the top that slider 12 one end was kept away from to fixed sleeve 13 is connected with threaded rod 15, and threaded rod 15 bottom stretches into inside fixed sleeve 13 and with instruction pole 14 contact, and threaded rod 15 top is connected with the second and changes 16.

In the structure, the movable plate 2 is rotated to be in a horizontal state, the rotating plate 18 is rotated to enable the rotating plate 18 to be positioned at two sides of the ejector rod 9, the rotating shaft 4 is rotated through the first rotating handle 3, the rotating shaft 4 drives the driving bevel gear 6 to rotate, the driving bevel gear 6 drives the driven bevel gear 7 to rotate, the driven bevel gear 7 drives the screw rod 8 to rotate, the screw rod 8 drives the ejector rod 9 to move towards two sides, the ejector rod 9 pushes the rotating plate 18 towards two sides, the rotating plate 18 drives the sliding block 12 to move towards two sides, the fixed sleeve 13 extends outwards, the indicating rod 14 is rotated to extend out of the fixed sleeve 13, the threaded rod 15 is rotated through the second rotating handle 16 to enable the threaded rod 15 to press the indicating rod 14, then one end of the indicating rod 14 is aligned with a zero-position pointer on a variable pitch bearing, a zero-position mark on a blade is aligned with the indicating rod 14 at the other end, zero-position correcting operation is completed, then the indicating rod 14 is retracted into the fixed sleeve 13, the ejector rod 9 is retracted into the gear box 5, the slide block 12 is rebounded to the initial position by the spring 19, and the movable plate 2 is rotated into the shell 1, so that the zero calibration device is closed, and has a certain protection effect.

Preferably, the movable plate 2 is hinged to the shell 1, the gear box 5 is welded to the shell 1, the rotating shaft 4 is in bearing connection with the gear box 5, the rotating shaft 4 is in bearing connection with the shell 1, the first rotating handle 3 is welded to the rotating shaft 4, the driving bevel gear 6 is in key connection with the rotating shaft 4, the driven bevel gear 7 is in key connection with the screw rod 8, the screw rod 8 is in threaded connection with the ejector rod 9, the ejector rod 9 is welded to the slide bar 10, the slide bar 10 is in sliding connection with the gear box 5, the sliding block 12 is in sliding connection with the sliding groove 11, the rotating plate 18 is in rotating connection with the groove 17, the fixed sleeve 13 is welded to the sliding block 12, the indicating rod 14 is in threaded connection with the fixed sleeve 13, the threaded rod 15 is in threaded connection with the fixed sleeve 13, and the second rotating handle 16 is welded to the threaded rod 15.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wind turbine generator system blade is blade zero calibration device for equipment which characterized in that: the device comprises a shell (1), two movable plates (2), a fixed sleeve (13) and an indicating rod (14), wherein the two movable plates (2) are connected to two sides of the shell (1), when the movable plates (2) are in a horizontal state, the bottom walls of the movable plates and the bottom wall of the shell (1) are positioned on the same horizontal plane, when the movable plates (2) are in a vertical state, the movable plates (2) are positioned in the shell (1), a gear box (5) is connected to the rear end of the inner bottom wall of the shell (1), a rotating shaft (4) is connected to the top of the gear box (5), the top of the rotating shaft (4) penetrates through the top wall of the shell (1), a first rotating handle (3) is connected to the top of the rotating shaft (4), the bottom end of the rotating shaft (4) extends into the gear box (5) and is connected with a driving bevel gear (6), two driven bevel gears (7) are meshed below the driving bevel gear (6), the reverse surfaces of the two driven bevel gears (7) are connected with screw rods (8), the screw rods (8) are located inside the gear box (5), ejector rods (9) are sleeved on the outer walls of the screw rods (8), internal threads are arranged on the inner walls of the ejector rods (9), one ends, far away from the driven bevel gears (7), of the ejector rods (9) extend out of the gear box (5), sliding strips (10) are connected to the front side and the rear side of the outer walls of the ejector rods (9), accommodating grooves used for the sliding of the sliding strips (10) are formed in the inner walls of the front side and the rear side of the gear box (5), the sliding strips (10) are located in the accommodating grooves, sliding grooves (11) are formed in the tops of the movable plates (2), sliding blocks (12) are connected in the sliding grooves (11), one sides, far away from the gear box (5), of the sliding blocks (12) are connected with springs (19), and the springs (19) are located in the sliding grooves (11), spring (19) the other end with spout (11) inner wall connection, slider (12) top rear end is seted up fluted (17), recess (17) in-connection has commentaries on classics board (18), commentaries on classics board (18) are located ejector pin (9) both sides, slider (12) are kept away from one side of gear box (5) is connected with fixed sleeve (13), be provided with the internal thread on fixed sleeve (13) inner wall, fixed sleeve (13) internal connection has indicator lever (14), be provided with the screw thread on indicator lever (14) outer wall, indicator lever (14) are kept away from the one end of slider (12) sets up to the circular cone type, two indicator lever (14) are located on the same axis when the horizontality, fixed sleeve (13) are kept away from the top of slider (12) one end is connected with threaded rod (15), threaded rod (15) bottom stretches into inside fixed sleeve (13) and with indicator lever (14) connect And the top of the threaded rod (15) is connected with a second rotating handle (16).

2. The blade zero calibration device for assembling the blades of the wind turbine generator set according to claim 1, wherein: fly leaf (2) with casing (1) hinged joint, gear box (5) with casing (1) welding, pivot (4) with gear box (5) bearing connection, pivot (4) with casing (1) bearing connection, first commentaries on classics handle (3) with pivot (4) welding.

3. The blade zero calibration device for assembling the blades of the wind turbine generator set according to claim 1, wherein: the driving bevel gear (6) is in key connection with the rotating shaft (4), the driven bevel gear (7) is in key connection with the screw (8), the screw (8) is in threaded connection with the ejector rod (9), the ejector rod (9) is welded with the sliding strip (10), and the sliding strip (10) is in sliding connection with the gear box (5).

4. The blade zero calibration device for assembling the blades of the wind turbine generator set according to claim 1, wherein: the slider (12) with spout (11) sliding connection, change board (18) with recess (17) rotate to be connected, fixed sleeve (13) with slider (12) welding, indicator lever (14) with fixed sleeve (13) threaded connection, threaded rod (15) with fixed sleeve (13) threaded connection, the second change handle (16) with threaded rod (15) welding.