CN214887457U

CN214887457U - Hub locking device of wind generating set

Info

Publication number: CN214887457U
Application number: CN202121623799.1U
Authority: CN
Inventors: 王世庆; 王作鑫
Original assignee: Avic Baian New Energy Power Co ltd
Current assignee: Avic Baian New Energy Power Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-11-26
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a wind generating set wheel hub locking device, set up the wheel hub body in intercommunication groove including the top, it is connected with the axis of rotation to rotate on the wheel hub body, the tip fixed mounting of axis of rotation has the flabellum, be equipped with buffer gear in the axis of rotation, the spread groove has all been seted up to the both ends lateral wall of wheel hub body, sliding connection has the mounting panel of two fixture blocks of inside wall fixed mounting on the wheel hub body, two fixture blocks on the mounting panel all extend to in the relative spread groove and rather than sliding connection, the lateral wall of mounting panel is equipped with telescopic machanism, telescopic machanism's telescopic end fixed mounting has locking mechanism, two first spout has all been seted up at the interior top of spread groove. The utility model has the advantages of reasonable design, it can take place to damage locking device when, dismantles locking device from wheel hub rapidly and gets off and change, and the maintenance personal of being convenient for maintains it.

Description

Hub locking device of wind generating set

Technical Field

The utility model relates to a wind power generation technical field especially relates to a wind generating set wheel hub locking device.

Background

The wind driven generator is a device for converting wind energy into electric energy, mainly comprises blades, a generator, mechanical parts and electrical parts, and when a hub in the wind driven generator set needs to be maintained, the hub needs to be stopped to rotate so as to ensure the safety of maintenance personnel.

In the prior art, a hub locking device of a wind generating set is fixedly installed on a hub through screws, when the locking device is damaged and needs to be disassembled for replacement, the fixed screws need to be disassembled one by one, the disassembling operation is complex, and maintenance personnel cannot maintain the fixed screws conveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art wind generating set wheel hub locking device and passing through screw fixed mounting on wheel hub, take place to damage when needing to dismantle it and change locking device, need pull down the screw of fixing one by one, it dismantles the operation comparatively complicatedly, the maintenance personal of being not convenient for carries out the problem of maintaining to it, and the wind generating set wheel hub locking device who provides, it can take place to damage locking device, dismantle locking device from wheel hub rapidly and change, the maintenance personal of being convenient for maintains it.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hub locking device of a wind generating set comprises a hub body with a communicating groove at the top, a rotating shaft is rotatably connected to the hub body, fan blades are fixedly mounted at the end part of the rotating shaft, a buffer mechanism is arranged on the rotating shaft, connecting grooves are formed in the side walls of the two ends of the hub body, a mounting plate with two clamping blocks fixedly mounted on the inner side wall is slidably connected to the hub body, the two clamping blocks on the mounting plate extend into and are slidably connected with the opposite connecting grooves, a telescopic mechanism is arranged on the side wall of the mounting plate, a locking mechanism is fixedly mounted at the telescopic end of the telescopic mechanism, first sliding grooves are formed in the inner tops of the two connecting grooves, second sliding grooves are formed in the inner side walls of the two first sliding grooves, blocking mechanisms are arranged in the two first sliding grooves, the two blocking mechanisms extend into the opposite connecting grooves and abut against the inner bottom of the opposite connecting grooves, and fixing mechanisms are arranged in the two second sliding grooves, extend into the opposite blocking mechanisms and are abutted against the inner side walls of the blocking mechanisms.

Preferably, buffer gear establishes the epaxial mounting groove in the rotation including the card, sliding connection has the buffer block in the mounting groove, fixedly connected with third spring between the lateral wall of buffer block and the inside wall of mounting groove.

Preferably, the telescopic mechanism comprises a fixed plate fixedly mounted on the side wall of the mounting plate, and an electric push rod is fixedly mounted at the bottom of the fixed plate.

Preferably, the locking mechanism comprises an installation block fixedly installed on the telescopic end of the electric push rod, and a stop lever is fixedly installed at the bottom of the installation block.

Preferably, the blocking mechanism comprises a stop block which is connected with the side wall in the first sliding groove in a sliding manner and is provided with a clamping groove, the stop block extends into the opposite connecting groove and abuts against the inner wall of the connecting groove, a first spring is fixedly connected between the top of the stop block and the inner top of the first sliding groove, a pressing rod is fixedly installed at the top of the stop block, and the pressing rod penetrates through the top of the hub body and is connected with the hub body in a sliding manner.

Preferably, the fixing mechanism comprises a trapezoidal clamping block which is slidably connected in the second sliding groove, the trapezoidal clamping block extends into the clamping groove on the opposite stopping block and is abutted against the inner wall of the trapezoidal clamping block, a second spring is fixedly connected between the side wall of the trapezoidal clamping block and the inner side wall of the second sliding groove, a pull rod is fixedly mounted on the side wall of the trapezoidal clamping block, and the pull rod is slidably connected with the side wall of the hub body.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the setting of fixed establishment and stop gear, it can take place to damage locking device, dismantles locking device from the wheel hub body rapidly and gets off and change, and the maintenance personal of being convenient for maintains it.

2. Through buffer gear's setting, it can be when the pin gets into the mounting groove, and the buffer block blocks the mounting groove under the effect of third spring and cushions the protection to the mounting groove, avoids the pin directly to get into in the pivoted mounting groove with the inside wall contact of mounting groove, the rotation axis pivoted inertia takes place the pin other disconnected condition, guarantees the normal clear of locking work.

To sum up, the utility model has the advantages of reasonable design, it can take place to damage locking device when, dismantles locking device from wheel hub rapidly and changes, and the maintenance personal of being convenient for maintains it.

Drawings

Fig. 1 is a schematic perspective view of a hub locking device of a wind turbine generator system according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a partial perspective view of the rotating shaft.

In the figure: 1 wheel hub body, 2 axis of rotation, 3 mounting panels, 4 spread groove, 5 fixed plates, 6 electric putter, 7 installation pieces, 8 pin, 9 first spout, 10 second spout, 11 dog, 12 first spring, 13 pressing rod, 14 trapezoidal fixture blocks, 15 second springs, 16 pull rods, 17 mounting grooves, 18 third springs, 19 buffer blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a hub locking device of a wind generating set comprises a hub body 1 with a communicating groove at the top, a rotating shaft 2 is rotatably connected on the hub body 1, a fan blade is fixedly installed at the end part of the rotating shaft 2, a buffer mechanism is arranged on the rotating shaft 2, the buffer mechanism comprises an installation groove 17 clamped on the rotating shaft 2, a buffer block 19 is slidably connected in the installation groove 17, a third spring 18 is fixedly connected between the side wall of the buffer block 19 and the inner side wall of the installation groove 17, through the arrangement of the buffer mechanism, when the stop lever 8 enters the mounting groove 17, the buffer block 19 blocks the mounting groove 17 under the action of the third spring 18 to buffer and protect the mounting groove 17, so that the stop lever 8 is prevented from directly entering the rotating mounting groove 17 to be contacted with the inner side wall of the mounting groove 17, the stop lever 8 is broken by the rotating inertia of the rotating shaft 2, and the normal operation of locking is ensured;

the side walls of two ends of the wheel hub body 1 are respectively provided with a connecting groove 4, the wheel hub body 1 is connected with a mounting plate 3 with two clamping blocks fixedly arranged on the inner side wall in a sliding manner, the two clamping blocks on the mounting plate 3 both extend into the opposite connecting grooves 4 and are connected with the connecting grooves in a sliding manner, the side wall of the mounting plate 3 is provided with a telescopic mechanism, the telescopic mechanism comprises a fixing plate 5 fixedly arranged on the side wall of the mounting plate 3, and the bottom of the fixing plate 5 is fixedly provided with an electric push rod 6;

a locking mechanism is fixedly installed at the telescopic end of the telescopic mechanism, the locking mechanism comprises an installation block 7 fixedly installed on the telescopic end of the electric push rod 6, and a stop lever 8 is fixedly installed at the bottom of the installation block 7;

the inner tops of the two connecting grooves 4 are respectively provided with a first sliding groove 9, the inner side walls of the two first sliding grooves 9 are respectively provided with a second sliding groove 10, the two first sliding grooves 9 are respectively internally provided with a blocking mechanism, the two blocking mechanisms respectively extend into the opposite connecting grooves 4 and are abutted against the inner bottom parts of the opposite connecting grooves, each blocking mechanism comprises a stop block 11 which is slidably connected with the side wall in the first sliding groove 9 and is provided with a clamping groove, each stop block 11 extends into the opposite connecting groove 4 and is abutted against the inner wall of the opposite connecting groove, a first spring 12 is fixedly connected between the top part of each stop block 11 and the inner top part of the corresponding first sliding groove 9, the top part of each stop block 11 is fixedly provided with a pressing rod 13, and each pressing rod 13 penetrates through the top part of the hub body 1 and is slidably connected with the corresponding pressing rod;

all be equipped with fixed establishment in two second spouts 10, two fixed establishment all extend to in the relative stop gear and offset rather than the inside wall, fixed establishment includes trapezoidal fixture block 14 of sliding connection in second spout 10, trapezoidal fixture block 14 extends to in the draw-in groove on the relative dog 11 and offsets tightly rather than the inner wall, fixedly connected with second spring 15 between the lateral wall of trapezoidal fixture block 14 and the inside wall of second spout 10, the lateral wall fixed mounting of trapezoidal fixture block 14 has pull rod 16, pull rod 16 and wheel hub body 1's lateral wall sliding connection, through fixed establishment and stop gear's setting, it can be when locking device takes place to damage, dismantle locking device from wheel hub body 1 rapidly and change, the maintenance personal of being convenient for maintains it.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

when the locking device on the mounting plate 3 needs to be detached for maintenance and replacement, firstly, an operator detaches the fan blade from the rotating shaft 2, pulls the pull rod 16, the pull rod 16 drives the trapezoidal fixture block 14 to slide into the second chute 10, the trapezoidal fixture block 14 is separated from blocking the stop block 11, the stop block 11 slides into the first chute 9 under the action of the pulling force of the first spring 12, the stop block 11 is separated from blocking the mounting plate 3, the mounting plate 3 can be detached, then the electric push rod 6 or the stop rod 8 on the mounting plate 3 is maintained and replaced, after the maintenance is finished, the mounting plate 3 is sleeved on the hub body 1, the fixture block on the mounting plate 3 is in sliding connection in the connecting groove 4, so that the fixture block slides to the inner side wall of the connecting groove 4 and is abutted against the inner side wall, the pressing rod 13 is pressed, the pressing rod 13 drives the stop block 11 to slide downwards, when the stop block 11 slides downwards, the side wall extrudes the trapezoidal fixture block 14 to slide into the second chute 10, when the stop block 11 slides into the connecting groove 4 and abuts against the bottom of the connecting groove, the trapezoid clamping block 14 slides into the clamping groove on the stop block 11 under the action of the elastic force of the second spring 15 and abuts against the inner side wall of the clamping groove, and the mounting plate 3 is fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hub locking device of a wind generating set comprises a hub body (1) with a communicating groove formed in the top, and is characterized in that a rotating shaft (2) is connected to the hub body (1) in a rotating mode, fan blades are fixedly mounted at the end portion of the rotating shaft (2), a buffering mechanism is arranged on the rotating shaft (2), connecting grooves (4) are formed in the side walls of the two ends of the hub body (1), a mounting plate (3) with two clamping blocks fixedly mounted on the inner side wall is connected to the hub body (1) in a sliding mode, the two clamping blocks on the mounting plate (3) extend into the opposite connecting grooves (4) and are connected with the opposite connecting grooves in a sliding mode, a telescopic mechanism is arranged on the side wall of the mounting plate (3), a locking mechanism is fixedly mounted on the telescopic end of the telescopic mechanism, and first sliding grooves (9) are formed in the top portions of the two connecting grooves (4), two second spout (10), two have all been seted up to the inside wall of first spout (9) all be equipped with barrier mechanism in first spout (9), two barrier mechanism all extends to in relative spread groove (4) and offsets rather than the bottom, two all be equipped with fixed establishment in second spout (10), two fixed establishment all extends to in the relative barrier mechanism and offsets rather than the inside wall.

2. The hub locking device of the wind generating set according to claim 1, characterized in that the buffering mechanism comprises a mounting groove (17) clamped on the rotating shaft (2), a buffering block (19) is slidably connected in the mounting groove (17), and a third spring (18) is fixedly connected between the side wall of the buffering block (19) and the inner side wall of the mounting groove (17).

3. The hub locking device of the wind generating set according to claim 1, wherein the telescoping mechanism comprises a fixing plate (5) fixedly mounted on the side wall of the mounting plate (3), and the bottom of the fixing plate (5) is fixedly mounted with an electric push rod (6).

4. The hub locking device of the wind generating set according to claim 3, characterized in that the locking mechanism comprises a mounting block (7) fixedly mounted on the telescopic end of the electric push rod (6), and a stop lever (8) is fixedly mounted at the bottom of the mounting block (7).

5. The hub locking device of the wind generating set according to claim 1, wherein the blocking mechanism comprises a block (11) slidably connected in the first sliding groove (9) and provided with a clamping groove on a side wall, the block (11) extends into the opposite connecting groove (4) and abuts against an inner wall of the connecting groove, a first spring (12) is fixedly connected between the top of the block (11) and the inner top of the first sliding groove (9), a pressing rod (13) is fixedly installed at the top of the block (11), and the pressing rod (13) penetrates through the top of the hub body (1) and is slidably connected with the hub body.

6. The hub locking device of the wind generating set according to claim 5, wherein the fixing mechanism comprises a trapezoidal clamping block (14) slidably connected in the second sliding groove (10), the trapezoidal clamping block (14) extends into a clamping groove on the opposite stopping block (11) and abuts against the inner wall of the trapezoidal clamping block, a second spring (15) is fixedly connected between the side wall of the trapezoidal clamping block (14) and the inner side wall of the second sliding groove (10), a pull rod (16) is fixedly mounted on the side wall of the trapezoidal clamping block (14), and the pull rod (16) is slidably connected with the side wall of the hub body (1).