CN210371026U

CN210371026U - Gear fixing device for blade-side encoder of wind generating set

Info

Publication number: CN210371026U
Application number: CN201921265122.8U
Authority: CN
Inventors: 武鑫; 吕佃顺; 王立鹏; 谷海涛
Original assignee: Jiangsu Guoke Intelligent Electric Co Ltd
Current assignee: Jiangsu Guoke Intelligent Electric Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-21
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a wind generating set paddle side encoder gear fixing device, comprising a base plate, the equal fixedly connected with supporting shoe in both sides on bottom plate top, the top of two supporting shoes is equipped with the bearing frame, is equipped with the gear body between two bearing frames, the equal fixedly connected with locating piece in both sides of bearing frame bottom, the constant head tank has been seted up on the supporting shoe top, the fixed orifices has all been seted up at the middle part of locating piece and constant head tank one side, the inner chamber interlude of fixed orifices is connected with the plug, the inner chamber fixed joint of bearing frame has ball bearing, ball bearing's inner circle fixed interlude is. The utility model discloses utilize locating piece, constant head tank, fixed orifices and the plug that sets up between supporting shoe and the bearing frame, the setting of two bull sticks of deuterogamying and ring baffle can be when overhauing the gear and change, only need with the supporting shoe with the bearing frame separation can, improved the convenience that the gear was dismantled, avoided the dismantlement of whole mount simultaneously to the life of mount has been improved.

Description

Gear fixing device for blade-side encoder of wind generating set

Technical Field

The utility model relates to a gear fixing device field, in particular to wind generating set paddle side encoder gear fixing device.

Background

At present, wind power generation is taken as a representative of clean energy to gradually replace traditional thermal power generation in some fields, wind power plays an increasingly important role in environmental protection nowadays, in a wind power generation set, a variable pitch system is an important component of a whole fan, the variable pitch system adjusts the blade angle of the fan through the change of wind speed so as to control absorbed mechanical energy, a side encoder is a redundant absolute value encoder arranged beside inner teeth of a variable pitch bearing at the root part of a blade, a pinion of the blade encoder is mainly meshed with a rotary large gear of a hub, and the large gear of the blade rotates to drive the pinion of the blade encoder to rotate so as to acquire the position of the blade.

The gear that uses in the present paddle side encoder all is mostly fixed with the gear frame integral type, when dismantling the maintenance change in the gear in the contralateral encoder, need dismantle whole gear frame and get off the back again and dismantle gear frame and gear, has so not only increased the loaded down with trivial details of gear maintenance change operation, often dismantles simultaneously and puts up the looseness that causes the gear frame easily, reduces the fixed strength to the gear.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind generating set paddle side encoder gear fixing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wind generating set paddle side encoder gear fixing device, includes the bottom plate, the equal fixedly connected with supporting shoe in both sides on bottom plate top, two the top of supporting shoe is equipped with the bearing frame, two be equipped with the gear body between the bearing frame, the equal fixedly connected with locating piece in both sides of bearing frame bottom, the constant head tank with locating piece assorted is seted up to the both sides on supporting shoe top, the fixed orifices has all been seted up at the middle part of locating piece and constant head tank one side, the inner chamber interlude of fixed orifices is connected with the plug, the inner chamber fixed joint of bearing frame has ball bearing, ball bearing's inner circle fixed interlude is connected with the bull stick, two the one end of bull stick alternates with the inner circle of.

Preferably, one end of one of the rotating rods is fixedly connected with a cross-shaped fixture block, and one end of the other rotating rod is provided with a cross-shaped clamping groove matched with the cross-shaped fixture block.

Preferably, the outer parts of the two rotating rods are both connected with an annular baffle through threaded grooves and threads.

Preferably, the plug consists of a T-shaped rod and a rod cap, and one end of the T-shaped rod penetrates through the fixing hole to be fixedly sleeved with the rod cap.

Preferably, the both sides of bottom plate all fixedly connected with mounting, two the both sides on mounting top all seted up the screw hole.

Preferably, the bearing frame comprises base, top cap and fastening bolt, the top cap sets up in the top of base, ball bearing fixed joint is between base and top cap, two fastening bolt's bottom is run through the both sides on top cap top respectively and is connected with the base interlude.

The utility model discloses a technological effect and advantage:

1. the utility model utilizes the positioning block, the positioning groove, the fixing hole and the plug bolt arranged between the supporting block and the bearing seat, and the arrangement of the two rotating rods and the annular baffle plate is matched, so that when the gear is overhauled and replaced, only the supporting block and the bearing seat are needed to be separated, the convenience of gear disassembly is improved, and the disassembly of the whole fixing frame is avoided, thereby prolonging the service life of the fixing frame;

2. the utility model discloses the quick accurate concatenation between two bull sticks can be realized to cross fixture block and the cross draw-in groove that utilizes two bull stick tip to set gradually, has improved the efficiency of gear installation.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic side sectional view of the present invention.

Fig. 3 is a schematic front sectional view of the rotating rod of the present invention.

In the figure: 1. a base plate; 2. a support block; 3. a bearing seat; 4. a ball bearing; 5. a rotating rod; 6. a cross-shaped fixture block; 7. a cross-shaped clamping groove; 8. an annular baffle; 9. positioning blocks; 10. positioning a groove; 11. a fixing hole; 12. plugging; 13. a fixing member; 14. a threaded hole; 15. a gear body.

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

The utility model provides a gear fixing device of a paddle side encoder of a wind generating set as shown in figures 1-3, which comprises a bottom plate 1, which plays a bearing role, supporting blocks 2 are fixedly connected with both sides of the top end of the bottom plate 1, bearing seats 3 are arranged on the top ends of the two supporting blocks 2, each bearing seat 3 consists of a base, a top cover and fastening bolts, the top cover is arranged on the top end of the base, a ball bearing 4 is fixedly clamped between the base and the top cover, the bottom ends of the two fastening bolts respectively penetrate through both sides of the top end of the top cover to be connected with the base in an inserting way, the ball bearing 4 and a rotating rod 5 can be conveniently installed and disassembled when the bearing seats 3 are arranged to be disassembled, a gear body 15 is arranged between the two bearing seats 3, positioning blocks 9 are fixedly connected with both sides of the bottom, the quick positioning and installation between the bearing seat 3 and the supporting block 2 are realized, the middle parts of one sides of the positioning block 9 and the positioning groove 10 are respectively provided with a fixing hole 11, the inner cavity of the fixing hole 11 is penetrated and connected with a plug 12 to facilitate the limiting and fixing between the bearing seat 3 and the supporting block 2, the inner cavity of the bearing seat 3 is fixedly clamped with a ball bearing 4, the inner ring of the ball bearing 4 is fixedly penetrated and connected with a rotating rod 5, one end of one rotating rod 5 is fixedly connected with a cross-shaped fixture block 6, one end of the other rotating rod 5 is provided with a cross-shaped clamping groove 7 matched with the cross-shaped fixture block 6 to facilitate the accurate butt joint of the two rotating rods 5, one ends of the two rotating rods 5 are respectively penetrated and connected with the inner ring of the gear body 15, the straight rod supporting the gear body 15 is divided into the two rotating rods 5 to facilitate the disassembly and installation of the gear body 15, the outer, the positions of the gear body 15 on the two rotating rods 5 are limited and fixed.

The plug 12 is composed of a T-shaped rod and a rod cap, one end of the T-shaped rod penetrates through the fixing hole 11 to be fixedly sleeved with the rod cap, fixing strength of the plug 12 between the bearing seat 3 and the supporting block 2 is improved, and the plug 12 is prevented from falling off.

The equal fixedly connected with mounting 13 in both sides of bottom plate 1, threaded hole 14 is all seted up to the both sides on two mounting 13 tops, and the bottom plate 1 of being convenient for is fixed with the inside installation of side encoder.

This practical theory of operation: when the gear body 15 is installed, only one end of the two rotating rods 5 fixed with the bearing seats 3 is respectively inserted into the inner ring of the gear body 15, when the gear body 15 is inserted into the inner ring, the cross-shaped clamping grooves 7 and the cross-shaped clamping blocks 6 at the end parts of the two rotating rods 5 are kept to be inserted in alignment, then the bearing seat 3 is put on the supporting block 2, the positioning block 9 at the bottom end of the bearing seat 3 is inserted into the positioning groove 10 on the supporting block 2, then the plug 12 is punched into the fixing hole 11 on the supporting block 2 to be inserted, the supporting block 2 and the bearing seat 3 are limited and fixed, and finally, the whole device and the gear body 15 are fixed in the side encoder through the use of the screw holes 14 on the fixing pieces 13 at the two sides of the bottom plate 1 in cooperation with screws, when the gear body 15 needs to be disassembled, the bolt 12 is only required to be pulled out, the two bearing blocks 3 are taken down, and the rotating rods 5 on the two bearing blocks 3 are pulled out from the gear body 15.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a wind generating set paddle side encoder gear fixing device, includes bottom plate (1), its characterized in that: supporting blocks (2) are fixedly connected to two sides of the top end of the bottom plate (1), bearing seats (3) are arranged at the top ends of the two supporting blocks (2), a gear body (15) is arranged between the two bearing seats (3), positioning blocks (9) are fixedly connected to both sides of the bottom end of the bearing block (3), positioning grooves (10) matched with the positioning blocks (9) are formed in both sides of the top end of the supporting block (2), the middle parts of one sides of the positioning block (9) and the positioning groove (10) are both provided with a fixing hole (11), the inner cavity of the fixing hole (11) is inserted and connected with a plug (12), the inner cavity of the bearing seat (3) is fixedly clamped with a ball bearing (4), the inner ring of the ball bearing (4) is fixedly inserted and connected with a rotating rod (5), one end of each of the two rotating rods (5) is respectively connected with the inner ring of the gear body (15) in a penetrating manner.

2. The gear fixing device for the blade-side encoder of the wind generating set according to claim 1, wherein: one end of one of the rotating rods (5) is fixedly connected with a cross-shaped clamping block (6), and one end of the other rotating rod (5) is provided with a cross-shaped clamping groove (7) matched with the cross-shaped clamping block (6).

3. The gear fixing device for the blade-side encoder of the wind generating set according to claim 1, wherein: the outer parts of the two rotating rods (5) are connected with an annular baffle (8) through thread grooves and threads.

4. The gear fixing device for the blade-side encoder of the wind generating set according to claim 1, wherein: the plug (12) consists of a T-shaped rod and a rod cap, and one end of the T-shaped rod penetrates through the fixing hole (11) and is fixedly sleeved with the rod cap.

5. The gear fixing device for the blade-side encoder of the wind generating set according to claim 1, wherein: the bottom plate (1) is characterized in that fixing pieces (13) are fixedly connected to the two sides of the bottom plate (1), and threaded holes (14) are formed in the two sides of the top end of each fixing piece (13).

6. The gear fixing device for the blade-side encoder of the wind generating set according to claim 1, wherein: the bearing seat (3) is composed of a base, a top cover and fastening bolts, the top cover is arranged on the top end of the base, the ball bearing (4) is fixedly connected between the base and the top cover in a clamped mode, and the bottom ends of the fastening bolts penetrate through the two sides of the top end of the top cover respectively and are connected with the base in an alternating mode.