CN214879532U

CN214879532U - Generator rotor lifts by crane upset frock structure

Info

Publication number: CN214879532U
Application number: CN202121211229.1U
Authority: CN
Inventors: 谭军
Original assignee: Anhui Quanxin Precision Work Equipment Co ltd
Current assignee: Anhui Quanxin Precision Work Equipment Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-26
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a generator rotor lifting and overturning tool structure, which comprises a lifting plate, wherein lifting arms are fixedly arranged at the bottoms of the two ends of the lifting plate, a fixed shaft is rotatably arranged at the bottom of each lifting arm, the fixed shaft is rotatably connected with an upper fixed plate, and the bottom of the upper fixed plate is fixedly connected with a lower fixed plate through a plurality of bolts; fixed mounting has the spacing portion of upset in the top both sides of an upper fixed plate, and the spacing portion of upset runs through and is equipped with the arc spout, and the bottom indent of arc spout is equipped with rack groove, the top indent is equipped with the arc recess, and rack groove meshing is connected with the gear, and the one end slip joint that rack groove was kept away from to the gear is in the arc recess, and gear coaxial rotation installs on step motor, and step motor is fixed the embedded on the hoist and mount arm.

Description

Generator rotor lifts by crane upset frock structure

Technical Field

The utility model relates to a lift by crane tipping arrangement technical field specifically is a generator rotor lifts by crane upset frock structure.

Background

The generator rotor hoisting is one of the most important operation steps for installing the rotor into the generator, and the quality of the generator rotor and the accuracy requirement in the installation process greatly increase the difficulty of the hoisting assembly operation.

To this, the utility model CN205932956U, entitled chinese utility model, discloses a generator rotor hoisting tool, which is characterized by comprising an upper clamp, a lower clamp and a hanging plate, wherein the upper clamp is composed of a semicircular upper ring and upper clamp plates fixedly arranged at two sides of the upper ring, the lower clamp is composed of a semicircular lower ring and lower clamp plates fixedly arranged at two sides of the lower ring, two first pin shafts are coaxially arranged at two sides of the upper clamp, and the axes of the first pin shafts are perpendicular to the central line of the upper ring and in the same plane; the two lifting lugs are respectively rotatably connected to two side ends of the upper clamping piece through first pin shafts, and the upper parts of the lifting lugs are respectively rotatably connected with pin shafts of the shackle; through holes are symmetrically formed in two ends of the hanging plate, the upper ends of the two hanging strips are respectively connected with the through holes in the two ends of the hanging plate, and the lower ends of the two hanging strips are respectively connected with the two shackles.

The utility model discloses an utilize the gravity of rotor to overturn the rotor after the hoist and mount, the hoist and mount position of gravity point requires the precision higher, if just in time hoist and mount to the gravity balance point, the device just can not realize the operation of upset, for this reason we propose a generator rotor lifts by crane upset frock structure and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a generator rotor lifts by crane upset frock structure 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 generator rotor lifting and overturning tool structure comprises a lifting plate, wherein lifting arms are fixedly mounted at the bottoms of two ends of the lifting plate, a fixed shaft is rotatably mounted at the bottoms of the lifting arms, the fixed shaft is rotatably connected with an upper fixed plate, and the bottom of the upper fixed plate is fixedly connected with a lower fixed plate through a plurality of bolts;

the top both sides fixed mounting of an upper fixed plate has the spacing portion of upset, the spacing portion of upset runs through and is equipped with the arc spout, the bottom indent of arc spout is equipped with rack groove, the top indent is equipped with the arc recess, rack groove meshing is connected with the gear, the one end slip joint that the rack groove was kept away from to the gear is in the arc recess, gear coaxial rotation installs on step motor, step motor fixes the embedded on the hoist and mount arm.

Preferably, a fixing hole is formed between the upper fixing plate and the lower fixing plate, and a plurality of sawtooth grooves are fixedly arranged in the fixing hole.

Preferably, the top of the hanging plate is in an isosceles triangle structure, and a lifting hole penetrates through the center line of the top of the hanging plate.

Preferably, the end parts of the two sides of the arc-shaped sliding groove are of semicircular structures and are provided with semicircular grooves, and the circle centers of the semicircular structures at the two ends of the arc-shaped sliding groove and the circle center of the fixed shaft are on the same horizontal line.

Preferably, the turnover limiting part is of a semicircular sliding rail structure, the circle center of the turnover limiting part is overlapped with the circle center of the fixed shaft, and the distance from the circle center of the fixed shaft to the circle center of the gear is equal to the distance from the circle center of the fixed shaft to the circle centers of semicircular grooves at two ends of the arc-shaped sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that: can fix through an upper fixed plate and bottom plate generator rotor, can be suitable for lifting device to hoist and mount the operation through the hole for hoist on the hanger plate, drive the gear through step motor after hoist to a take the altitude and rotate, drive the spacing portion of upset during gear revolve and remove, thereby the spacing portion of upset drives fixed mounting's rotor and carries out the upset operation, the utility model is simple in operation, the requirement that does not remove to the fixed position of rotor, can adjust at will to the angle of upset simultaneously, the scope of being suitable for is more extensive.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the structural schematic diagram of the hoisting arm of the utility model.

In the figure: the lifting plate comprises a lifting plate 1, a lifting hole 11, a lifting arm 12, a fixed shaft 13, an upper fixed plate 2, a lower fixed plate 3, a bolt 4, a turnover limiting part 5, a rack groove 51, an arc-shaped sliding groove 52, an arc-shaped groove 53, a fixed hole 6, a gear 7 and a stepping motor 8.

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. 1-2, the present invention provides a technical solution: a generator rotor hoisting and overturning tool structure comprises a hoisting plate 1, wherein the top of the hoisting plate 1 is in an isosceles triangle structure, a hoisting hole 11 penetrates through the center line of the top of the hoisting plate 1, hoisting arms 12 are fixedly installed at the bottoms of two ends of the hoisting plate 1, a fixed shaft 13 is rotatably installed at the bottoms of the hoisting arms 12, the fixed shaft 13 is rotatably connected with an upper fixed plate 2, and the bottom of the upper fixed plate 2 is fixedly connected with a lower fixed plate 3 through a plurality of bolts 4; a fixing hole 6 is formed between the upper fixing plate 2 and the lower fixing plate 3, and a plurality of sawtooth grooves are fixedly arranged in the fixing hole 6. When the generator rotor fixing device is used, an operator installs a generator rotor in a fixing hole 6 of a lower fixing plate 3, then the upper fixing plate 2 is fixedly installed through a bolt 4, the rotor is clamped and fixed by the upper fixing plate 2 and the lower fixing plate 3, the friction force connected with the rotor is increased by a sawtooth-shaped groove in the fixing hole 6, the rotor is prevented from falling off, and after the rotor is fixed, a hoisting hole 11 in a hoisting plate 1 is connected with a hoisting hook of hoisting equipment;

as shown in fig. 1 and 2, fixed mounting has the spacing portion 5 of upset in the top both sides of upper fixed plate 2, and the spacing portion 5 of upset runs through and is equipped with arc spout 52, and the bottom indent of arc spout 52 is equipped with rack groove 51, and the top indent is equipped with arc recess 53, and the meshing of rack groove 51 is connected with gear 7, and the one end slip joint that rack groove 51 was kept away from to gear 7 is in arc recess 53, and gear 7 coaxial rotation is installed on step motor 8, and step motor 8 is fixed the embedded on hoisting arm 12. After the hoisting equipment is hoisted, the fixed rotor is hoisted through the two hoisting arms 12, after the rotor is hoisted to a certain height, an operator starts the stepping motor 8, the stepping motor 8 drives the gear 7 to rotate, and the gear 7 drives the overturning limiting part 5 to move through the meshed rack slot 51, so that the two fixing plates are overturned.

As shown in fig. 1, the two side ends of the arc chute 52 are semicircular structures and are provided with semicircular grooves, and the centers of circles of the semicircular structures at the two ends of the arc chute 52 and the center of circle of the fixed shaft 13 are on the same horizontal line. The circle centers are on the same horizontal line, so that the rotor fixedly installed can be turned over by an angle of up to 180 degrees, the turning angle can be adjusted through the rotation frequency of the stepping motor 8, the installation position of the rotor is not required, and the application range is wider; the overturning limiting part 5 is of a semicircular sliding rail structure, the circle center of the overturning limiting part 5 is overlapped with the circle center of the fixed shaft 13, and the distance from the circle center of the fixed shaft 13 to the circle center of the gear 7 is equal to the distance from the circle center of the fixed shaft 13 to the circle centers of the semicircular grooves at the two ends of the arc-shaped sliding groove 52. The distance of the overturning limiting part 5, the gear 7 and the fixed shaft 13 ensures that the stepping motor 8 can smoothly drive the rotor to overturn, and the situation of blocking and stopping in the overturning process is prevented.

The working principle is as follows: when the utility model is used, an operator installs the generator rotor in the fixing hole 6 of the lower fixing plate 3, then the upper fixing plate 2 is fixedly installed through the bolt 4, the upper fixing plate 2 and the lower fixing plate 3 clamp and fix the rotor, the sawtooth-shaped groove in the fixing hole 6 increases the friction force connected with the rotor, and the rotor is prevented from falling off, after the rotor is fixed, the hoisting hole 11 on the hoisting plate 1 is connected with the hoisting hook of the hoisting equipment, after the hoisting equipment hoists the fixed rotor through the two hoisting arms 12, after the rotor is hoisted to a certain height, the operator starts the stepping motor 8, the stepping motor 8 drives the gear 7 to rotate, the gear 7 drives the overturning limiting part 5 to move through the meshed rack groove 51, thereby overturning the two fixing plates, the overturning angle can be adjusted through the rotating frequency of the stepping motor 8, and simultaneously, the installation position of the rotor has no requirement, the application range is wider.

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 generator rotor lifts by crane upset frock structure, includes hanger plate (1), its characterized in that: the bottom parts of two ends of the hanging plate (1) are fixedly provided with hanging arms (12), the bottom parts of the hanging arms (12) are rotatably provided with fixing shafts (13), the fixing shafts (13) are rotatably connected with upper fixing plates (2), and the bottom parts of the upper fixing plates (2) are fixedly connected with lower fixing plates (3) through a plurality of bolts (4);

the top both sides fixed mounting of an upper fixed plate (2) has spacing portion of upset (5), spacing portion of upset (5) runs through and is equipped with arc spout (52), the bottom indent of arc spout (52) is equipped with rack groove (51), the top indent is equipped with arc recess (53), rack groove (51) meshing is connected with gear (7), the one end slip joint that rack groove (51) were kept away from in gear (7) is in arc recess (53), gear (7) coaxial rotation is installed on step motor (8), step motor (8) are fixed the inlay in hoist and mount arm (12) are last.

2. The generator rotor hoisting and overturning tool structure as claimed in claim 1, wherein: a fixing hole (6) is formed between the upper fixing plate (2) and the lower fixing plate (3), and a plurality of sawtooth grooves are fixedly formed in the fixing hole (6).

3. The generator rotor hoisting and overturning tool structure as claimed in claim 1, wherein: the top of the hanging plate (1) is of an isosceles triangle structure, and a hoisting hole (11) penetrates through the center line of the top of the hanging plate (1).

4. The generator rotor hoisting and overturning tool structure as claimed in claim 1, wherein: the two side end parts of the arc-shaped sliding groove (52) are of semicircular structures and are provided with semicircular grooves, and the circle centers of the semicircular structures at the two ends of the arc-shaped sliding groove (52) and the circle center of the fixed shaft (13) are on the same horizontal line.

5. The generator rotor hoisting and overturning tool structure as claimed in claim 1, wherein: the overturning limiting part (5) is of a semicircular sliding rail structure, the circle center of the overturning limiting part (5) is overlapped with the circle center of the fixed shaft (13), and the distance from the circle center of the fixed shaft (13) to the circle center of the gear (7) is equal to the distance from the circle center of the fixed shaft (13) to the circle centers of semicircular grooves at two ends of the arc-shaped sliding groove (52).