CN211220526U

CN211220526U - Wind-powered electricity generation main shaft bearing pull rod dismounting device

Info

Publication number: CN211220526U
Application number: CN201922309572.9U
Authority: CN
Inventors: 徐世普; 陈勇; 杜少山
Original assignee: Huaneng Lancangjiang New Energy Co ltd
Current assignee: Huaneng Lancangjiang New Energy Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-11
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a wind-powered electricity generation main shaft bearing pull rod dismounting device, which comprises a fixed block, fixed block front end welded fastening is provided with the extension piece, it is provided with first screw rod to extend a right side end level welded fastening, the activity of first screw rod center outside position cup joints and is provided with the support frame, first screw rod right side end position cup joints through the screw thread and is provided with stop nut, fixed block upper end central point puts and is provided with the carousel through hollow rotating shaft movable mounting, fixed block central point puts the perpendicular activity interlude and is provided with the second screw rod, second screw rod upper end welded fastening is provided with the stopper. The utility model discloses rotate the support frame for support frame lower extreme fixed stay makes the arc piece be located simultaneously and waits to dismantle the inside position of bearing, then the user rotates stop nut, and stop nut removes to the left side along first screw rod, extrudees the support frame, and the piece is extended with the support frame extrusion fixedly to the last cooperation, stability when guaranteeing the device use.

Description

Wind-powered electricity generation main shaft bearing pull rod dismounting device

Technical Field

The utility model relates to a disassembling equipment field specifically is a wind-powered electricity generation main shaft bearing pull rod dismounting device.

Background

The wind power bearing is a special bearing, the use environment is severe, the maintenance cost is high, and the service life is required to be long.

In the process of disassembling the bearing at the front end of the main shaft, tools such as an iron hammer and the like are mainly adopted to knock the two opposite sides of the space ring in the prior art so as to enable the bearing to move slowly and take out the bearing; when the opposite sides of the space ring are knocked by using a tool, the outer ring of the bearing is stressed unevenly, knocking traces can be generated on the matching surface of the knocked space ring, and meanwhile, the inner surface of the front end cover bearing seat assembled with the bearing is easily scratched by the disassembling method, so that a device is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind-powered electricity generation main shaft bearing pull rod dismounting 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: a wind power main shaft bearing pull rod dismounting device comprises a fixed block, wherein an extension block is fixedly welded at the front end of the fixed block, a first screw rod is horizontally and fixedly welded at the right side end of the extension block, a support frame is movably sleeved at the outer side of the center of the first screw rod, the support frame is convenient for supporting the whole device, a limit nut is sleeved at the right side end of the first screw rod through threads, the limit nut moves left and right along the first screw rod through rotation, a rotary disc is movably installed at the central position of the upper end of the fixed block through a hollow rotary shaft, the rotary disc rotates around a joint, a second screw rod is vertically and movably inserted at the central position of the fixed block, a limit block is fixedly welded at the upper end of the second screw rod, a fixed ring is fixedly welded at the lower end of the, the fixed ring two side positions are provided with an extension ring in the outer side of the hollow rod in an integrated forming mode, the extension ring is convenient to rotate the hollow rod, the two side positions of the hollow rod are respectively provided with a third screw rod in a sleeved mode through threads, the third screw rods move left and right along the hollow rod through rotation, the outer ends of the third screw rods are fixedly welded and provided with arc-shaped blocks, the outer ends of the arc-shaped blocks are fixedly bonded and provided with anti-slip pads, and positioning rods are horizontally and fixedly welded and arranged between the inner ends of the arc-.

Preferably, the left side of the upper end of the rotary table is vertically welded and fixed with an operating rod, and the operating rod is convenient for rotating the rotary table.

Preferably, the upper end of the second screw vertically penetrates through the center of the hollow rotating shaft and is in threaded connection with the contact position of the rotating disc.

Preferably, the threads on the outer sides of the third screws on the left side and the right side are opposite.

Preferably, the positioning rod is a telescopic rod, and the positioning ensures the left and right movement of the arc-shaped block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses rotate the support frame, make support frame lower extreme fixed stay, make the arc piece be located the bearing inner position of waiting to dismantle simultaneously, then the user rotates stop nut, stop nut moves to the left side along first screw rod, extrudees the support frame, cooperates the extension piece to extrude the support frame fixedly at last, guarantees the stability when device uses;

2. the utility model discloses the user rotates hollow pole through extending the ring, make hollow pole and third screw rod relative movement, thereby make the third screw rod move to the outside, end position extrusion bearing inside wall until arc piece outside, make arc piece joint fix at the inside position of bearing, later the user passes through the action bars and rotates the carousel, utilize carousel and second screw rod to take place relative movement, make the second screw rod upwards move along the carousel, drive the bearing and upwards remove, until the bearing is pulled out, need not to beat and dismantle, dismantle the installation mechanism has been protected simultaneously, make things convenient for the change of bearing.

Drawings

Fig. 1 is a schematic view of the overall structure of a wind power main shaft bearing pull rod dismounting device of the present invention;

fig. 2 is a schematic structural view of an arc-shaped block of the wind power main shaft bearing pull rod dismounting device of the present invention;

fig. 3 is a schematic structural view of a hollow rod of the wind power main shaft bearing pull rod dismounting device of the present invention;

fig. 4 is the utility model relates to a wind-powered electricity generation main shaft bearing pull rod dismounting device's extension block structure schematic diagram.

In the figure: 1. a fixed block; 2. a support frame; 3. a turntable; 4. an operating lever; 5. a limiting block; 6. a second screw; 7. a fixing ring; 8. a hollow shaft; 9. an extension ring; 10. a third screw; 11. an arc-shaped block; 12. a non-slip mat; 13. positioning a rod; 14. an extension block; 15. a first screw; 16. and a limiting nut.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a wind power main shaft bearing pull rod dismounting device comprises a fixed block 1, an extension block 14 is fixedly welded at the front end of the fixed block 1, a first screw 15 is horizontally fixedly welded at the right side end of the extension block 14, a support frame 2 is movably sleeved at the outer side position of the center of the first screw 15, the support frame 2 is convenient for supporting the whole device, a limit nut 16 is sleeved at the right side end position of the first screw 15 through threads, the limit nut 16 moves left and right along the first screw 15 through rotation, a rotary disc 3 is movably installed at the center position of the upper end of the fixed block 1 through a hollow rotating shaft, the rotary disc 3 rotates around a joint, an operating rod 4 is vertically and fixedly welded at the left side of the upper end of the rotary disc 3, the operating rod 4 is convenient for rotating the rotary disc 3, a second screw 6 is vertically and movably inserted at the center position of the fixed block 1, the upper end of the, 6 upper end welded fastening of second screw rod has spacing

piece

5, 6 lower extreme welded fastening of second screw rod has solid fixed ring 7, gu fixed ring 7 central point puts the horizontal activity interlude and has hollow rod 8, gu fixed ring 7 both sides position has extension ring 9 at hollow rod 8 outside integrated into one piece, extension ring 9 is convenient for rotate hollow rod 8, hollow rod 8 both sides position all has cup jointed third screw rod 10 through the screw thread, third screw rod 10 is removed about hollow rod 8 through rotating, left and right sides third screw rod 10 outside screw thread is opposite, third screw rod 10 outside end welded fastening has arc piece 11, arc piece 11 outside end bonded fastening has slipmat 12, position level welded fastening has locating lever 13 between the arc piece 11 medial extremity, locating lever 13 is the telescopic link.

The working principle is as follows: when the utility model is used, a user rotates the support frame 2 to fixedly support the lower end of the support frame 2, meanwhile, the arc-shaped block 11 is positioned at the inner position of a bearing to be disassembled, then the user rotates the limit nut 16, the limit nut 16 moves to the left side along the first screw 15 to extrude the support frame 2, and finally the support frame 2 is extruded and fixed by matching the extension block 14, so that the stability of the device in use is ensured, then the user rotates the hollow rod 8 through the extension ring 9 to enable the hollow rod 8 and the third screw 10 to move relatively, thereby enabling the third screw 10 to move outwards until the outer end position of the arc-shaped block 11 extrudes the inner side wall of the bearing, so that the arc-shaped block 11 is clamped and fixed at the inner position of the bearing, then the user rotates the rotary table 3 through the operating rod 4, and the rotary table 3 and the second screw, the bearing is driven to move upwards, until the bearing is pulled out, knocking and dismounting are not needed, the mounting mechanism is protected during dismounting, the bearing is convenient to replace, and the bearing mounting device has the advantages of being simple in structure, convenient to use and good in using effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wind-powered electricity generation main shaft bearing pull rod dismounting device, includes fixed block (1), its characterized in that: the front end of the fixed block (1) is fixedly welded with an extension block (14), the right side end of the extension block (14) is horizontally welded with a first screw (15), the outer side of the center of the first screw (15) is movably sleeved with a support frame (2), the right side end of the first screw (15) is provided with a limit nut (16) in a sleeved mode through threads, the upper end of the fixed block (1) is movably installed with a turntable (3) through a hollow rotating shaft, the central position of the fixed block (1) is vertically movably inserted with a second screw (6), the upper end of the second screw (6) is fixedly welded with a limit block (5), the lower end of the second screw (6) is fixedly welded with a fixed ring (7), the central position of the fixed ring (7) is horizontally movably inserted with a hollow rod (8), and both sides of the fixed ring (7) are integrally formed with an extension ring (9) outside the hollow rod, the hollow rod (8) is characterized in that third screw rods (10) are sleeved on two sides of the hollow rod (8) through threads, arc-shaped blocks (11) are fixedly welded at the outer side ends of the third screw rods (10), anti-slip pads (12) are fixedly bonded at the outer side ends of the arc-shaped blocks (11), and positioning rods (13) are horizontally and fixedly welded between the inner side ends of the arc-shaped blocks (11).

2. The wind power main shaft bearing pull rod dismounting device according to claim 1, characterized in that: and an operating rod (4) is vertically and fixedly welded on the left side of the upper end of the turntable (3).

3. The wind power main shaft bearing pull rod dismounting device according to claim 1, characterized in that: the upper end of the second screw rod (6) vertically penetrates through the center of the hollow rotating shaft and is in threaded connection with the contact position of the rotating disc (3).

4. The wind power main shaft bearing pull rod dismounting device according to claim 1, characterized in that: the threads on the outer sides of the third screw rods (10) on the left side and the right side are arranged oppositely.

5. The wind power main shaft bearing pull rod dismounting device according to claim 1, characterized in that: the positioning rod (13) is a telescopic rod.