Wind-driven self-locking fastener

Abstract

The utility model discloses a wind driven self-locking fastener, which belongs to the technical field of wind driven generator blade fastening and comprises a mechanical self-locking fastener and a hub, the mechanical self-locking fastener comprises a base, the hub is mounted on the base, self-locking devices are arranged on the periphery of the surface of the base, the self-locking devices are positioned on the inner ring of the hub, and the self-locking devices are positioned on the outer ring of the hub. A through hole is formed in the position, corresponding to the self-locking device, of the surface of the base, one end of the self-locking device penetrates through the through hole and extends outwards, a mechanical self-locking fastener is additionally arranged at the wind power driven connecting position, the wind power driven blades can be automatically locked, the blades can stop rotating, and the wind power driven blades are prevented from rotating. According to the device, the blade connecting position can be conveniently maintained and detected by a worker, the working difficulty of the worker is reduced, the movement of the push plate on the supporting frame can be limited through the cooperation of the sliding groove and the sliding block, and the movement stability of the push plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind driven self locking fastener of wind driven. BACKGROUND

[0002] Wind driven generator is the mechanical work that will wind energy conversion, mechanical work drives rotor rotation, ultimately output ac power equipment, wind driven generator generally has wind wheel, generator (including device), steering (tail wing), tower, speed limiting safety mechanism and energy storage device etc.

[0003] The existing wind driven is under the action of wind force and can rotate continuously, which can cause abrasion of the connecting part, thereby requiring regular maintenance. However, during the maintenance, the blades cannot be stopped due to uncontrollable wind force, which increases the difficulty of maintenance for the workers. In order to solve the above problems, the wind driven self locking fastener is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a wind driven self locking fastener, which can automatically lock the blades of the wind driven by adding a mechanical self locking fastener at the connecting part of the wind driven, so that the blades can stop rotating, thereby facilitating the workers to maintain and detect the position of the connecting part of the blades and reducing the working difficulty of the workers, to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a wind driven self locking fastener, comprising a mechanical self locking fastener and a hub, the mechanical self locking fastener comprises a base, the hub is installed on the base, the periphery of the surface of the base is provided with a self locking device, the self locking device is located in the inner ring of the hub, the surface of the base is provided with a through hole corresponding to the self locking device, one end of the self locking device penetrates through the through hole and extends outward.

[0006] Preferably, the self locking device comprises a support frame, the bottom of the support frame is installed on the base through a fixing piece, the top of the support frame is inserted with a threaded rod, the upper end of the threaded rod is bolted with a threaded sleeve, the lower end of the threaded rod is connected with an electric push rod, the piston rod of the electric push rod is connected with a push plate, the lower surface of the push plate is fixedly connected with a locking pin, the through hole between the support frame and the base is embedded with a sleeve, one end of the locking pin penetrates through the sleeve and extends outward.

[0007] Preferably, one side of the support frame is provided with a self locking controller, and the self locking controller is electrically connected with the electric push rod.

[0008] Preferably, the inner side wall of the support frame is provided with a sliding groove, and a sliding block is slidably connected in the sliding groove, and one side of the sliding block is fixed on the push plate.

[0009] Preferably, the fixing member comprises a fixing bolt and a threaded hole, the threaded hole is arranged on the base and the support frame, and the fixing bolt is threadedly connected in the threaded hole.

[0010] Preferably, two ends of the push plate are fixedly connected with springs, and one end of the spring is fixed on the support frame.

[0011] Compared with the prior art, the wind power driven self-locking fastener has the advantages that:

[0012] The wind power driven self-locking fastener has the advantages that: the mechanical self-locking fastener is arranged at the connecting position of the wind power driven blade, so that the wind power driven blade can be automatically locked, the position of the connecting position of the blade can be conveniently maintained and detected, and the working difficulty of the worker is reduced.

[0013] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the present application;

[0015] Fig. 2 It is a rear view schematic view of the base and hub structure of the present application;

[0016] Fig. 3 It is a schematic view of the hub and base structure of the present application;

[0017] Fig. 4 It is a schematic view of the self-locking device structure of the present application;

[0018] Fig. 5 It is a schematic view of the support frame structure of the present application;

[0019] Fig. 6 It is a schematic view of the electric push rod and push plate structure of the present application.

[0020] The figure mark: 1, mechanical self-locking fastener; 11, base; 12, self-locking device; 121, support frame; 122, threaded rod; 123, threaded sleeve; 124, electric push rod; 125, push plate; 126, locking pin; 127, sleeve; 13, through hole; 14, self-locking controller; 2, wheel hub; 3, sliding groove; 4, sliding block; 5, fixed part; 51, fixed bolt; 52, threaded hole; 6, spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] The utility model provides a kind of wind-driven self-locking fastener as shown in Figs. 1-6 The utility model provides a kind of wind-driven self-locking fastener as shown in

[0023] The self-locking device 12 comprises a support frame 121, the bottom of the support frame 121 is installed on the base 11 through a fixing part 5, the top of the support frame 121 is inserted with a threaded rod 122, the upper end of the threaded rod 122 is bolted with a threaded sleeve 123, the lower end of the threaded rod 122 is connected with an electric push rod 124, the piston rod of the electric push rod 124 is connected with a push plate 125, the lower surface of the push plate 125 is fixedly connected with a locking pin 126, a sleeve 127 is embedded in the through hole 13 between the support frame 121 and the base 11, one end of the locking pin 126 penetrates through the sleeve 127 and extends outward, the support frame 121 can conveniently install the electric push rod 124, the electric push rod 124 is installed on the support frame 121 through the threaded rod 122, then the piston rod of the electric push rod 124 connects the push plate 125, the push plate 125 drives the locking pin 126 to extend and retract in the sleeve 127, then the locking pin 126 penetrates through the sleeve 127 and the through hole 13 and extends outward, so that the rotating blade can be self-locked, so that the rotating blade stops rotating, and then the staff can conveniently maintain.

[0024] One side of the support frame 121 is provided with a self-locking controller 14, and the self-locking controller 14 and the electric push rod 124 are electrically connected, the self-locking controller 14 can control the working state of the electric power driving and stopping of the electric push rod 124.

[0025] The inner side wall of the support frame 121 is provided with a sliding groove 3, the sliding groove 3 is slidably connected with a sliding block 4, one side of the sliding block 4 is fixed on the push plate 125, and the cooperation of the sliding groove 3 and the sliding block 4 can limit the movement of the push plate 125 on the support frame 121, and the stability of the movement of the push plate 125 is improved.

[0026] The fixing part 5 comprises a fixed bolt 51 and a threaded hole 52, the threaded hole 52 is formed in the base 11 and the support frame 121, and the fixed bolt 51 is threadedly connected in the threaded hole 52, and the cooperation of the fixed bolt 51 and the threaded hole 52 can install and fix the support frame 121 and the base 11.

[0027] Both ends of the push plate 125 are fixedly connected with springs 6, one end of the spring 6 is fixed on the support frame 121, the buffering effect between the push plate 125 and the support frame 121 is enhanced, and the problem that the push plate 125 collides with the support frame 121 and the fixing part 5 is avoided.

[0028] Specific use, when the staff need to repair the position of the fan blade, first through the support frame 121 can be convenient for the installation of electric push rod 124, electric push rod 124 is installed on the support frame 121 through the threaded rod 122, then the piston rod of electric push rod 124 connects the push plate 125, through the push plate 125 drive locking pin 126 in the sleeve 127 in the extension, then the locking pin 126 through the sleeve 127 and the hole 13 extends outward, can be self locking to the rotating blade, so that the rotating blade stops rotating, then the staff is convenient for repair, improve the work efficiency, at the same time, the fixation of the blade increases the self locking function.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wind-driven self-locking fastener, comprising a mechanical self-locking fastener (1) and a hub (2), characterized in that: The mechanical self-locking fastener (1) comprises a base (11), the wheel hub (2) is mounted on the base (11), a self-locking device (12) is provided around the surface of the base (11), the self-locking device (12) is located on the inner ring of the wheel hub (2), a through hole (13) is provided on the surface of the base (11) at a position corresponding to the self-locking device (12), and one end of the self-locking device (12) passes through the through hole (13) and extends outward.

2. A wind-driven self-locking fastener according to claim 1, characterized in that: The self-locking device (12) includes a support frame (121), the bottom of the support frame (121) is mounted on the base (11) through a fixing member (5), a threaded rod (122) is inserted into the top of the support frame (121), the upper end of the threaded rod (122) is bolted with a threaded sleeve (123), the lower end of the threaded rod (122) is connected to an electric push rod (124), the piston rod of the electric push rod (124) is connected to a push plate (125), the lower surface of the push plate (125) is fixedly connected to a locking pin (126), a sleeve (127) is embedded in the through hole (13) opened between the support frame (121) and the base (11), and one end of the locking pin (126) passes through the sleeve (127) and extends outward.

3. A wind-driven self-locking fastener according to claim 2, characterized in that: A self-locking controller (14) is installed on one side of the support frame (121), and the self-locking controller (14) is electrically connected to the electric push rod (124).

4. A wind-driven self-locking fastener according to claim 3, characterized in that: The inner side wall of the support frame (121) is provided with a sliding groove (3), a slider (4) is slidably connected in the sliding groove (3), and one side of the slider (4) is fixed on the push plate (125).

5. The wind-driven self-locking fastener according to claim 2, characterized in that: The fixing member (5) comprises a fixing bolt (51) and a threaded hole (52), wherein the threaded hole (52) is provided on the base (11) and the support frame (121), and the fixing bolt is threadedly connected in the threaded hole (52).

6. The wind-driven self-locking fastener according to claim 4, characterized in that: Both ends of the push plate (125) are fixedly connected to springs (6), and one end of the spring (6) is fixed to the support frame (121).

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