CN210859064U - Mechanical barring gear of wind generating set - Google Patents

Abstract

The utility model discloses a wind generating set machinery barring gear, establish the ring gear of fixing outside the brake disc and fix the pillar on the gear box including the cover, pillar top side is fixed with the diaphragm, vertically on the diaphragm has passed the lifting screw, lifting screw and diaphragm threaded connection, the lifting screw top is fixed with the hand wheel, the lifting screw bottom is rotated and is connected with trinity gear motor, the coaxial gear that is fixed with of output shaft tip of trinity gear motor, the gear cooperatees with the ring gear, the output shaft of trinity gear motor and the output shaft parallel arrangement of gear box, the gear is in the coplanar with the ring gear; the utility model has the advantages that: the gear drives the ring gear through trinity gear motor and rotates, and the ring gear passes through the brake disc and drives the output shaft rotation of gear box, and then drives wheel hub through the main shaft and rotate to suitable position, has less operation personnel's intensity of labour, has promoted work efficiency, has reduced the risk that operation personnel pressed from both sides the injure because of manual rotatable parts.

Description

Mechanical barring gear of wind generating set

The technical field is as follows:

the utility model relates to a fan generator technical field, concretely relates to wind generating set machinery barring gear.

Background art:

the power generation part of the wind generating set generally comprises blades, a hub and a cabin, and also comprises a main shaft, a bearing seat, a cabin base, a gear box, a brake device and a generator inside the cabin, wherein the blades drive the hub to rotate through wind energy, the hub drives the main shaft to rotate, the main shaft is rotatably arranged on the bearing seat through the bearing, the bearing seat is fixed in the cabin base, the main shaft is connected with the gear box to drive an output shaft of the gear box to rotate, and the output shaft of the gear box drives the generator to generate power; the braking device is arranged on an output shaft of the gear box, drives a fan main shaft connected with the gear box to brake through braking the output shaft of the gear box, and finally stops the rotation of the hub, so that the aim of quickly and stably stopping the wind generating set under the condition of failure or emergency is fulfilled, and the effect of keeping the set stable under the running condition and not influenced by wind measurement or turbulence is achieved.

Usually, when an operator enters the hub to perform the works such as regular inspection, defect elimination and the like, the operator needs to enter the hub through the manhole of the engine room and the manhole of the hub in sequence, but the manhole of the hub is in a staggered state with the manhole of the engine room after the hub rotates, so that the hub rotates under the action of wind energy on the blades until the engine room and the manhole of the hub reach the corresponding positions and then the main shaft is fixed through the brake device, and the operator can enter the hub. However, in windless weather, the hub cannot rotate to a proper position, and an operator can only manually turn the wheel (manually rotate the main shaft to drive the hub to rotate) to align the cabin to the manhole of the hub. The work not only increases the labor intensity of the operating personnel, but also reduces the working efficiency, and increases the risk of clamping injury caused by rotating parts of the operating personnel to a certain extent.

The utility model has the following contents:

an object of the utility model is to provide a wind generating set machinery barring gear.

The utility model discloses by following technical scheme implement:

a mechanical barring gear of a wind generating set comprises a gear ring fixed on the outer side of a brake disc and a supporting column fixed on a gear box, wherein a transverse plate is fixed on the side face of the top of the supporting column, a lifting screw rod vertically penetrates through the transverse plate and is in threaded connection with the transverse plate, a hand wheel is fixed at the top end of the lifting screw rod, a three-in-one speed reduction motor is rotatably connected to the bottom end of the lifting screw rod, a gear is coaxially fixed at the end part of an output shaft of the three-in-one speed reduction motor and is matched with the gear ring, the output shaft of the three-in-one speed reduction motor is parallel to the output shaft of the gear box, and the gear; the top of trinity gear motor is fixed with the connecting rod, the connecting rod top is fixed with the sleeve, the sleeve slip cap is established on the pillar.

Preferably, a limit screw is further fixed at the top of the three-in-one speed reduction motor, a through hole corresponding to the limit screw is formed in the transverse plate, and the top of the limit screw penetrates through the through hole and is arranged above the transverse plate; and locking nuts are respectively screwed on the limiting screw rods above and below the transverse plate.

Preferably, the inner diameter of the through hole is larger than the outer diameter of the limiting screw rod.

The utility model has the advantages that: the gear ring is driven to rotate by an output shaft of the three-in-one speed reducing motor, the gear ring drives an output shaft of the gear box to rotate by the brake disc, the hub is driven to rotate to a proper position by the main shaft, and the three-in-one speed reducing motor is stopped after the cabin is aligned to the manhole of the hub, so that the labor intensity of operators is reduced, the working efficiency is improved, and the risk of clamping injury of the operators due to manual rotation of parts is reduced; the lifting screw rod is rotated and lifted, the lifting screw rod drives the three-in-one speed reducing motor to lift, a gear on an output shaft of the three-in-one speed reducing motor is separated from a gear ring, and a brake disc where the gear ring is located can return to the original normal work without influencing the normal operation of the wind generating set; the three-in-one speed reducing motor is easy to control the descending speed of the lifting screw, when the gear is adjacent to the gear ring, the gear and the gear ring are adjusted, the mutual collision between the gear and the gear ring is avoided, and the gear ring are convenient to engage.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: the gear ring comprises a gear ring 1, a support column 2, a transverse plate 3, a lifting screw rod 4, a hand-operated wheel 5, a three-in-one speed reduction motor 6, a gear 7, a connecting rod 8, a sleeve 9, a limiting screw rod 10, a through hole 11, a locking nut 12, a brake disc 13 and a gear box 14.

The specific implementation mode is as follows:

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, a mechanical barring gear of a wind generating set comprises a gear ring 1 fixed on the outer side of a brake disc 13 and a strut 2 fixed on a gear box 14, wherein a transverse plate 3 is fixed on the side surface of the top of the strut 2, a lifting screw 4 vertically penetrates through the transverse plate 3, the lifting screw 4 is in threaded connection with the transverse plate 3, a hand wheel 5 is fixed at the top end of the lifting screw 4, a three-in-one speed reducing motor 6 is rotatably connected to the bottom end of the lifting screw 4, a gear 7 is coaxially fixed at the end part of an output shaft of the three-in-one speed reducing motor 6, the gear 7 is matched with the gear ring 1, the output shaft of the three-in-one speed reducing motor 6 is parallel to the output; the three-in-one gear motor 6 provides kinetic energy through an external power supply, the hand wheel 5 is rotated, the lifting screw rod 4 is driven to rotate and descend, the lifting screw rod 4 drives the three-in-one gear motor 6 to descend, the gear 7 on the output shaft of the three-in-one gear motor 6 is meshed with the gear ring 1, when the three-in-one gear motor 6 is started, the gear 7 drives the gear ring 1 to rotate, the gear ring 1 drives the output shaft of the gear box 14 to rotate through the brake disc 13, the hub is driven to rotate to a proper position through the spindle, after the cabin is aligned to the hub manhole, the three-in-one gear motor 6 is stopped, the labor intensity of operating personnel is reduced, the working efficiency is improved, and the risk of clamping injury of the; after the maintenance is finished, the hand wheel 5 is rotated reversely to drive the lifting screw rod 4 to rotate and lift the lifting screw rod 4, the lifting screw rod 4 drives the three-in-one speed reducing motor 6 to lift, the gear 7 on the output shaft of the three-in-one speed reducing motor 6 is separated from the gear ring 1, and the brake disc 13 where the gear ring 1 is located can return to the original normal work without influencing the normal operation of the wind generating set; the descending speed of the three-in-one speed reducing motor 6 is easily controlled by using the lifting screw rod 4, when the gear 7 is adjacent to the toothed ring 1, the positions of the gear 7 and the toothed ring 1 are adjusted, so that the mutual collision between the gear 7 and the toothed ring 1 is avoided, and the mutual meshing between the gear 7 and the toothed ring 1 is facilitated; be fixed with connecting rod 8 at trinity gear motor 6's top, connecting rod 8 top is fixed with sleeve 9, sleeve 9 slip cap is established on pillar 2, trinity gear motor 6 is when descending, drives sleeve 9 through connecting rod 8 simultaneously and slides down on pillar 2, sleeve 9 slides down on pillar 2 and plays spacing effect, prevents that trinity gear motor 6 from taking place to rotate at the in-process that descends, avoids gear 7 and 1 dislocation of ring gear, unable meshing.

A limiting screw rod 10 is further fixed at the top of the three-in-one speed reducing motor 6, a through hole 11 corresponding to the limiting screw rod 10 is formed in the transverse plate 3, and the top of the limiting screw rod 10 penetrates through the through hole 11 and is arranged above the transverse plate 3; and locking nuts 12 are respectively screwed on the limiting screw rods 10 on the upper and lower parts of the transverse plate 3. When trinity gear motor 6 rises or descends, all drive stop screw 10 and go up and down in through-hole 11, descend when trinity gear motor 6 to make gear 7 and the meshing of ring gear 1 back, screw up two lock nut 12 of diaphragm 3 upper and lower side, make stop screw 10 unable removal, and then lock trinity gear motor 6's position, when making trinity gear motor 6 drive ring gear 1 through gear 7 and rotate, operate steadily, do not rock.

The inner diameter of the through hole 11 is larger than the outer diameter of the limit screw 10.

The working principle is as follows: the utility model discloses when using, 1 cover of ring gear is established and is fixed on brake equipment (the effect of utilizing hydraulic pressure or spring, make brake block and brake disc friction, produce braking moment, brake equipment is current equipment) on the brake disc 13 outside, through rotating hand wheel 5, drive lifting screw 4 rotatory and make its decline, lifting screw 4 drives trinity gear motor 6 and descends, gear 7 on the output shaft of trinity gear motor 6 meshes with ring gear 1, when starting trinity gear motor 6, gear 7 drives ring gear 1 and rotates, ring gear 1 drives the output shaft of gear box 14 through brake disc 13 and rotates, and then the main shaft rotates to suitable position through driving the wheel hub, cabin to wheel hub manhole after aiming at, stop trinity gear motor 6; after the maintenance, hand wheel 5 is rotated in the opposite direction, drives lifting screw 4 rotatory and makes it rise, and lifting screw 4 drives trinity gear motor 6 and rises, and gear 7 on trinity gear motor 6's the output shaft separates with ring gear 1, and the brake disc 13 at ring gear 1 place can get back to original normal work in, does not influence wind generating set's normal operating.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A wind generating set mechanical barring gear comprises a gear ring fixed on the outer side of a brake disc and a supporting column fixed on a gear box, and is characterized in that a transverse plate is fixed on the side face of the top of the supporting column, a lifting screw rod vertically penetrates through the transverse plate and is in threaded connection with the transverse plate, a hand wheel is fixed at the top end of the lifting screw rod, a three-in-one speed reducing motor is rotatably connected to the bottom end of the lifting screw rod, a gear is coaxially fixed at the end part of an output shaft of the three-in-one speed reducing motor and is matched with the gear ring, the output shaft of the three-in-one speed reducing motor is parallel to the output shaft of the gear box, and the gear and the; the top of trinity gear motor is fixed with the connecting rod, the connecting rod top is fixed with the sleeve, the sleeve slip cap is established on the pillar.

2. The mechanical barring gear of the wind generating set according to claim 1, wherein: a limiting screw is further fixed at the top of the three-in-one speed reducing motor, a through hole corresponding to the limiting screw is formed in the transverse plate, and the top of the limiting screw penetrates through the through hole and is arranged above the transverse plate; and locking nuts are respectively screwed on the limiting screw rods above and below the transverse plate.

3. The mechanical barring gear of the wind generating set according to claim 2, wherein: the inner diameter of the through hole is larger than the outer diameter of the limiting screw rod.

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