CN113790124A

CN113790124A - Steel rope retaining device for blade based on wind power generation

Info

Publication number: CN113790124A
Application number: CN202111204362.9A
Authority: CN
Inventors: 刘骏
Original assignee: Nantong Chuangzhi New Material Technology Co ltd
Current assignee: Nantong Chuangzhi New Material Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2021-12-14

Abstract

The invention provides a steel rope retaining device for a blade based on wind power generation, which relates to the technical field of wind power generation blade protection and solves the problem that the conventional steel rope retaining device is used for adjusting the steering of the blade or avoiding the runaway phenomenon of the blade caused by wind by adopting a speed reduction set when the wind receiving degree of the blade is controlled, the rotating speed of the blade can be controlled, but the self-swing of the blade caused by wind blowing cannot be avoided, a bottom plate is embedded into the bottom end of a main body, side plates are fixedly connected to the front side and the rear side of the top end surface of the bottom plate, rotating shafts are rotatably connected inside the side plates, the two rotating shafts are respectively and fixedly connected to the bottom side positions of the front end surface and the rear end surface of a supporting column, the top end of the supporting column is connected with the top end surface inside the main body, the fixed connection end of the supporting column and the main body is one end of the wind power blade far away from a generator body, and the bottom end of the strut is also hinged with a structure which is a bottom plate.

Description

Steel rope retaining device for blade based on wind power generation

Technical Field

The invention belongs to the technical field of wind power generation blade protection, and particularly relates to a steel rope retaining device for a blade based on wind power generation.

Background

Wind power generation means that kinetic energy of wind is converted into electric energy, the arrangement of blades directly influences the conversion efficiency of wind energy and the annual energy production, and the blades are an important ring for wind energy utilization, can generate violent swinging in severe weather, can tear the blades, and further generate economic loss

The existing wind power generation blade protection device has the following defects:

1. its when control blade's the degree of catching wind, mostly be adjustment blade turn to or adopt the speed reduction group to avoid the blade because of catching wind the driving phenomenon that causes, its slew velocity that can control the blade, nevertheless can't avoid the blade autologous that causes because of blowing, the autologous of blade sways not only can lead to the fact the damage to aerogenerator's body, still can lead to the fact the damage to the blade body because of the swaying of blade.

In view of the above, it is an object of the present invention to provide a wire rope holding device for a blade based on wind power generation, which is improved in view of the conventional structure and disadvantages, and has a practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a steel rope holding device for a blade based on wind power generation, which is used for solving the problems that the conventional method for controlling the wind receiving degree of the blade mostly adjusts the turning direction of the blade or adopts a speed reduction set to avoid the phenomenon of galloping of the blade caused by wind, the blade can not be prevented from swinging by itself due to wind although the rotation speed of the blade can be controlled, and the swinging by itself of the blade can not only damage the body of the wind power generator but also damage the body of the blade due to the swinging of the blade.

The invention relates to a wind power generation-based steel rope retaining device for blades, which has the purpose and the effect and is achieved by the following specific technical means:

a steel rope holding device for a blade based on wind power generation comprises a main body;

the bottom of main part is embedded with the bottom plate, and both sides are fixed connection with the curb plate around the top face of bottom plate still, and the inside of curb plate still rotates and is connected with the pivot, and two pivots are fixed connection respectively in the bottom side position of both ends face around the pillar, and the pillar rotates the inboard of connecting at two curb plates through the pivot that both sides fixed connection around, and the top of pillar is connected with the inside top face of main part, and the pillar is located the top central point of bottom plate and puts.

Further, the top face fixedly connected with mount pad of bottom plate, the mount pad is equipped with four places altogether, and wherein every two vertical adjacent mount pads of department are a set of, and two sets of mount pads are fixed connection respectively in the top face left and right sides position of bottom plate, and two sets of mount pads are located the left and right sides of two places curb plates respectively, and motor A is still installed to the rear side that lies in the mount pad of rear side in two sets of mount pads, and motor A's transmission shaft is located motor A's front side to be located the inboard position of two places mount pads.

Furthermore, one side of the guide rod B, which is far away from the guide rod A, is hinged with a driver, the driver is electrically connected with the support, a coil is arranged inside the driver, the coil is matched with an induction coil inside the support, one side of the support, which is far away from the guide rod B, is also fixedly connected with a central controller, and the central controller is electrically connected with the support and the driver.

Furthermore, the base is sleeved on the outer side of the support column, the base is of a frame structure, guide plates are fixedly connected to the center positions of the front side face and the rear side face of the inner portion of the base, the two guide plates are respectively matched with guide grooves formed in the front side face and the rear side face of the support column, and gaps are formed between the longitudinal members in the base and the left side face and the right side face of the support column in an overlooking state.

Furthermore, the left side and the right side of the supporting column are both provided with grooves, the two grooves are not communicated, guide teeth are oppositely arranged at the front end face and the rear end face of the inside of each groove, each guide tooth is of a rack structure, guide grooves are formed in the center positions of the front end face and the rear end face of the supporting column, the guide grooves are located on the inner sides of the two grooves, and the supporting column and the bottom plate are perpendicular to each other in a normal state.

Further, the inboard of mount pad is still rotated and is connected with the capstan winch, and the capstan winch is installed in motor A's front side to cup joint the outside position at the transmission shaft, and the outside winding of capstan winch has the steel cable, keeps away from the one end of capstan winch at the steel cable and still fixedly connected with couple.

Furthermore, the outer side of the rotating shaft is rotatably connected with a guide rod A, the length of the guide rod A is smaller than the distance between the rotating shaft and the bottom plate, the guide rod A is provided with two positions, the directions of the two guide rods A are opposite, the inner sides of the two guide rods A are also hinged with guide rods B, and the two guide rods B are respectively hinged on one sides of the two guide rods A far away from the rotating shaft.

Further, motor B is installed to the left end of base, and motor B's transmission shaft is located the inboard position of base, and gear A is equipped with two altogether, and one of them gear A installs the right side at the transmission shaft, and another gear A rotates to be connected on the inside right-hand member face of base, and two gear A all with the direction tooth phase-match that is located the rear side.

Further, the inside of base rotates and is connected with gear B, and gear B is equipped with two altogether, and two gear B rotate respectively and connect the inside left and right sides position at the base, and gear B and gear A contactless, and two gear B and the direction tooth phase-match that is located the front side.

Compared with the prior art, the invention has the following beneficial effects:

1. the top that will articulate the pillar at the bottom plate upside through the curb plate is connected with the inside top face of main part, and the fixed connection end of pillar and main part is the one end that the generator body was kept away from to the wind-powered electricity generation blade promptly this moment, and the bottom of pillar still with for bottom plate articulated structure, and then can ensure not appearing because of the main part that rigid connection caused and the circumstances that the pillar damaged after the pillar assembly is accomplished.

2. When the base is positioned at the tail end of the support column, namely the base is positioned at the top end of the support column, the motor A is turned off to stop the rotation of the winch, and then the paying-off operation of the steel rope is stopped, at the moment, the steel rope keeps a straight state between the winch and the base at two positions, and at the moment, the protection operation of keeping the position of the support column and the main body fixedly connected with the support column can be finished through the traction force of the steel rope.

3. Guide arm A who cup joints through the pivot outside promotes the person and takes place the displacement rather than articulated guide arm B, when guide arm B takes place the displacement, can promote person's actuator and take place the displacement in the inside of support, and all be provided with induction coil in the inside of actuator and support, and then when the support can not experience the coil position of actuator, can drive the capstan winch through motor A that well accuse ware started the opposite side, make the capstan winch receive the line operation to the steel cable, guarantee the position maintenance to the main part through the pulling of steel cable, in order to reach more practical purpose.

Drawings

Fig. 1 is a front side view schematically showing the structure of the mechanism of the present invention in a half-section state.

Fig. 2 is a front view of the mechanism of the present invention in a half-section state.

Fig. 3 is a front side view schematically showing the disassembled state of the main body of the present invention.

Fig. 4 is a schematic axial side view of the present invention in a disassembled state after the main body is removed.

Fig. 5 is a schematic view showing a structure from a guide rod a to a central controller and a bottom plate according to the present invention.

Fig. 6 is a schematic view of a side plate-to-guide groove display structure of the present invention.

Fig. 7 is a schematic view of the installation seat-gear B showing structure from top to side, wherein the base is a split structure with a half-section back.

Fig. 8 is a schematic diagram of a right side view showing structure from the mounting seat to the gear B of the present invention, wherein the base is a split structure with a half-section.

Fig. 9 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention.

Fig. 10 is an enlarged view of the structure of fig. 3B according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 2. a base plate; 3. a side plate; 4. a pillar; 5. a rotating shaft; 6. a groove; 7. a guide tooth; 8. a guide groove; 9. a guide rod A; 10. a guide rod B; 11. a driver; 12. a support; 13. a central controller; 14. a mounting seat; 15. a motor A; 16. a winch; 17. a steel cord; 18. hooking; 19. a base; 20. a guide plate; 21. a motor B; 22. a gear A; 23. and a gear B.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 10:

the invention provides a wind power generation-based steel rope holding device for a blade, which comprises: the main body 1, the bottom of the main body 1 is embedded with the bottom plate 2, the front and back sides of the top end surface of the bottom plate 2 are fixedly connected with the side plates 3, the inside of the side plates 3 is rotatably connected with the rotating shaft 5, the two rotating shafts 5 are respectively and fixedly connected with the bottom side positions of the front and back end surfaces of the support 4, the support 4 is rotatably connected with the inner sides of the two side plates 3 through the rotating shafts 5 fixedly connected with the front and back sides, the driver is pushed to displace with the guide rod B10 hinged with the driver through the guide rod A9 sleeved outside the rotating shaft 5, when the guide rod B10 displaces, the driver 11 displaces inside the support 12, and the driver 11 and the support 12 are both provided with induction coils, and then when the support 12 cannot sense the coil position of the driver 11, the motor A15 on the other side is started through the central controller 13 to drive the winch 16, so that the winch 16 carries out the wire winding operation on the steel rope 17, the position of the main body 1 is maintained by the traction of the steel rope 17, so as to achieve the purpose of more practical use, the top end of the support 4 is connected with the top end surface of the inner part of the main body 1, and the support 4 is positioned at the top center position of the bottom plate 2.

Referring to fig. 1-3, the left and right sides of the pillar 4 are both provided with grooves 6, the two grooves 6 are not communicated, the front and rear end surfaces inside the grooves 6 are oppositely provided with guide teeth 7, the guide teeth 7 are in a rack structure, the center positions of the front and rear end surfaces of the pillar 4 are both provided with guide slots 8, referring to fig. 3, the guide slots 8 are positioned at the inner sides of the two grooves 6, the pillar 4 and the bottom plate 2 are normally and vertically arranged, the outer side of the rotating shaft 5 is rotatably connected with a guide rod a9, the length of the guide rod a9 is smaller than the distance between the rotating shaft 5 and the bottom plate 2, the guide rod a9 is provided with two positions, the orientations of the two guide rods a9 are opposite, referring to fig. 1, the inner sides of the two guide rods a9 are also hinged with a guide rod B10, the two guide rods B10 are respectively hinged at one side of the two guide rods a9 away from the rotating shaft 5, one side of the guide rod B10 away from the guide rod a9 is hinged with a driver 11, and the driver 11 is electrically connected with a support 12, referring to fig. 2, a coil is installed inside the actuator 11, the coil matches with an induction coil inside the support 12, a central controller 13 is fixedly connected to one side of the support 12 far away from the guide rod B10, and the central controller 13 is electrically connected with the support 12 and the actuator 11.

Referring to fig. 4-6, the top end surface of the bottom plate 2 is fixedly connected with mounting seats 14, the mounting seats 14 are provided with four positions, wherein every two longitudinally adjacent mounting seats 14 are in one group, two groups of mounting seats 14 are respectively fixedly connected at the left and right side positions of the top end surface of the bottom plate 2, and two groups of mounting seats 14 are respectively located at the left and right sides of the two side plates 3, referring to fig. 4, a motor a15 is further installed at the rear side of the mounting seat 14 located at the rear side among the two groups of mounting seats 14, a transmission shaft of the motor a15 is located at the front side of the motor a15 and at the inner side positions of the two mounting seats 14, a winch 16 is further rotatably connected at the inner side of the mounting seat 14, referring to fig. 1, the winch 16 is installed at the front side of the motor a15 and is sleeved at the outer side position of the transmission shaft, a steel cable 17 is wound at the outer side of the winch 16, a hook 18 is further fixedly connected at one end of the steel cable 17 far from the winch 16, and the top end of the strut 4 hinged at the upper side of the bottom plate 2 through the side plate 3 is connected with the inner end surface of the main body 1, the fixed connection end of pillar 4 and main part 1 is the one end that the wind-powered electricity generation blade kept away from the generator body promptly this moment, and the bottom of pillar 4 still with be bottom plate 2 articulated structure, and then can ensure not appearing because of the condition that main part 1 and pillar 4 that rigid connection caused damage after pillar 4 assembles the completion.

Referring to fig. 7-10, a base 19 is sleeved outside the pillar 4, referring to fig. 7-8, the base 19 is a frame structure, and the centers of the front and rear sides of the inside of the base 19 are fixedly connected with guide plates 20, the two guide plates 20 are respectively matched with the guide grooves 8 formed on the front and rear sides of the pillar 4, two longitudinal members in the base 19 in a top view state have gaps from the left and right sides of the pillar 4, the left end of the base 19 is provided with a motor B21, the transmission shaft of the motor B21 is located at the inner side of the base 19, referring to fig. 1-8, two positions of a gear a22 are provided, one position of the gear a22 is installed on the right side of the transmission shaft, the other position of the gear a22 is rotatably connected to the right end face of the inside of the base 19, the two positions of the gear a22 are matched with the guide teeth 7 located on the rear side, the inside of the base 19 is rotatably connected with a gear B23, referring to fig. 8, the gear B23 is provided with two positions, and two gears B23 are respectively connected to the left and right sides of the inside of the base 19 in a rotating manner, the gear B23 is not in contact with the gear A22, and the two gears B23 are matched with the guide teeth 7 positioned at the front side, when the base 19 is positioned at the tail end of the support column 4, namely the base 19 is positioned at the top end close to the support column 4, the rotation of the winch 16 is stopped by closing the motor A15, the paying-off operation of the stopped steel rope 17 is further stopped, at the moment, the steel rope 17 keeps a stretched state between the two winches 16 and the base 19, and at the moment, the protection operation of keeping the position of the support column 4 and the main body 1 fixedly connected with the support column can be completed through the traction force of the steel rope 17.

When in use: the main body 1 is connected with the body of the wind driven generator through a bottom plate 2 embedded at the bottom side of the main body, then the top end of a strut 4 hinged to the upper side of the bottom plate 2 through a side plate 3 is connected with the top end face of the inside of the main body 1, at the moment, the fixed connecting end of the strut 4 and the main body 1 is the end of the wind power blade far away from the generator body, the bottom end of the strut 4 is also hinged with the bottom plate 2, and the main body 1 and the strut 4 can be prevented from being damaged due to rigid connection after the strut 4 is assembled;

at this time, the wire rope 17 wound on the capstan 16 at the inner sides of the two mounting seats 14 is pulled out, the hook 18 fixedly connected with one end of the wire rope 17 far away from the capstan 16 is hooked with the hook 18 fixedly connected with the outer side of the base 19, then the capstan 16 is driven by starting the motor A15 arranged at the rear side of the mounting seat 14 at the rear side, the wire rope 17 is paid out by the capstan 16, at this time, the gear A22 arranged at the inner side of the base 19 is driven by starting the motor B21 arranged at the outer side of the base 19, and when the gear A22 is meshed with the guide teeth 7 arranged in the groove 6, the distance of the base 19 on the support column 4 is adjusted through the meshing of the gear A22 and the gear B23 with the guide teeth 7;

when the base 19 is located at the end of the pillar 4, that is, the base 19 is located near the top end of the pillar 4, the rotation of the winch 16 is stopped by turning off the motor a15, and the paying-off operation of the steel cable 17 is further stopped, at this time, the steel cable 17 keeps a straight state between the two winches 16 and the base 19, and at this time, the protection operation of the pillar 4 and the main body 1 fixedly connected with the pillar 4 at the holding position can be completed through the traction force of the steel cable 17;

when the main body 1 is bent by wind, the strut 4 arranged in the main body 1 is synchronously driven to rotate along the side plate 3 through the rotating shaft 5 at the bottom, when the rotating shaft 5 rotates, the driver can displace with the guide rod B10 hinged with the driver through the guide rod A9 sleeved outside the rotating shaft 5, when the guide rod B10 displaces, the driver 11 can displace in the support 12, induction coils are arranged in the driver 11 and the support 12, and when the support 12 cannot sense the coil position of the driver 11, the motor A15 at the other side can be started through the central controller 13 to drive the winch 16, so that the winch 16 can take up the steel rope 17, and the position of the main body 1 is ensured to be kept through the traction of the steel rope 17, thereby achieving the purpose of more practicability.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A steel rope holding device for blades based on wind power generation is characterized in that: comprises a main body (1);

the bottom of the main body (1) is embedded with a bottom plate (2), the front side and the rear side of the top end surface of the bottom plate (2) are fixedly connected with side plates (3), the inside of each side plate (3) is rotatably connected with a rotating shaft (5), the two rotating shafts (5) are respectively and fixedly connected with the bottom side positions of the front end surface and the rear end surface of the strut (4), the strut (4) is rotatably connected with the inner sides of the two side plates (3) through the rotating shafts (5) fixedly connected with the front side and the rear side, the top end of the strut (4) is connected with the inner top end surface of the main body (1), the strut (4) is positioned at the top end central position of the bottom plate (2), the left side and the right side of the strut (4) are both provided with grooves (6), the two grooves (6) are not communicated, the front end surface and the rear end surface of the inner part of the groove (6) are oppositely provided with guide teeth (7), the guide teeth (7) are of a rack structure, the front end surface and rear end surface central position of the strut (4) are both provided with guide grooves (8), guide way (8) are located the inboard of two places recess (6), and pillar (4) set up with bottom plate (2) mutually perpendicularly under the normality, the rear side that is located rear side mount pad (14) in two sets of mount pads (14) still installs motor A (15), the transmission shaft of motor A (15) is located the front side of motor A (15), and be located the inboard position of two mount pads (14), the outside winding of capstan winch (16) has steel cable (17), still fixedly connected with couple (18) two guide plates (20) of keeping away from capstan winch (16) in steel cable (17) respectively with guide way (8) phase-match that pillar (4) front and back both sides were seted up, longitudinal member under two overlooking states all has the clearance apart from the left and right sides face of pillar (4) in base (19).

2. A wind power generation-based blade steel cord holding device as claimed in claim 1, wherein: the outer side of the rotating shaft (5) is rotatably connected with a guide rod A (9), the length of the guide rod A (9) is smaller than the distance between the rotating shaft (5) and the bottom plate (2), the guide rods A (9) are arranged at two positions, the orientations of the two guide rods A (9) are opposite, the inner sides of the two guide rods A (9) are hinged with guide rods B (10), and the two guide rods B (10) are hinged to one side, away from the rotating shaft (5), of the two guide rods A (9) respectively.

3. A wind power generation-based blade steel cord holding device as claimed in claim 2, wherein: one side that guide arm B (10) kept away from guide arm A (9) articulates there is actuator (11), actuator (11) and support (12) electric connection, and the internally mounted of actuator (11) has the coil, and the coil matches with the inside induction coil of support (12), and one side of keeping away from guide arm B (10) in support (12) is accuse ware (13) in still fixedly connected with, and well accuse ware (13) are connected with support (12) and actuator (11) electric connection.

4. A wind power generation-based blade steel cord holding device as claimed in claim 2, wherein: the top end face of the bottom plate (2) is fixedly connected with mounting seats (14), the mounting seats (14) are arranged at four positions, every two longitudinally adjacent mounting seats (14) are in a group, two groups of mounting seats (14) are fixedly connected to the left side and the right side of the top end face of the bottom plate (2) respectively, and the two groups of mounting seats (14) are located on the left side and the right side of the side plates (3) at two positions respectively.

5. A wind power generation-based blade steel cord holding device as claimed in claim 4, wherein: the inner side of the mounting seat (14) is also rotatably connected with a winch (16), and the winch (16) is mounted on the front side of the motor A (15) and sleeved on the outer side of the transmission shaft.

6. A wind power generation-based blade steel cord holding device as claimed in claim 1, wherein: the outer side of the support column (4) is sleeved with a base (19), the base (19) is of a frame structure, and the center positions of the front side surface and the rear side surface in the base (19) are fixedly connected with guide plates (20).

7. A wind power generation-based blade steel cord holding device as claimed in claim 6, wherein: motor B (21) are installed to the left end of base (19), and the transmission shaft of motor B (21) is located the inboard position of base (19), and gear A (22) are equipped with two places altogether, and one of them gear A (22) is installed on the right side of transmission shaft, and another gear A (22) rotate to be connected on the inside right-hand member face of base (19), and two gear A (22) all with be located the direction tooth (7) phase-match of rear side.

8. A wind power generation-based blade steel cord holding device as claimed in claim 7, wherein: the inside of base (19) rotates and is connected with gear B (23), and gear B (23) are equipped with two altogether, and two gear B (23) rotate respectively and connect in the inside left and right sides position of base (19), and gear B (23) and gear A (22) contactless, and two gear B (23) and the direction tooth (7) phase-match that are located the front side.