CN214205282U

CN214205282U - Stator core assembly overturning and pressing tool

Info

Publication number: CN214205282U
Application number: CN202022915340.0U
Authority: CN
Inventors: 李进; 王明
Original assignee: Zhenjiang Zhongchuan Xiandai Generating Equipment Co ltd
Current assignee: Zhenjiang Zhongchuan Xiandai Generating Equipment Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-14
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a stator core subassembly upset pressure equipment frock, press a section of thick bamboo including the location, play a jib, make up a tight screw rod and make up a tight screw rod position control mechanism, the several jack catch of upset machine grasps the chassis outer fringe that the location pressed a section of thick bamboo to press a section of thick bamboo to fix the location on the workstation of upset machine. One end of the stator winding extends into the positioning pressing cylinder; the upper supporting ring of the positioning pressing cylinder and the lower end of the stator core assembly protecting cage are fixedly connected into a whole, the lower end of the lifting rod is screwed in and fixed at the center of the lifting rod mounting seat, the combined supporting screw rod can be fixed in the middle of the lifting rod in a vertically adjustable position through the combined supporting screw rod position adjusting mechanism, and the outer end of the combined supporting screw rod is supported on the inner wall of the stator core. The utility model discloses reduced the manufacturing cost of stator core subassembly and the installation cost of packing into in the generator frame, improved 90 work efficiency of stator core subassembly upset, stopped the potential safety hazard. The universality of the utility model is improved.

Description

Stator core assembly overturning and pressing tool

Technical Field

The utility model relates to an assembly fixture of generator, in particular to can fix stator core and stator winding on the upset machine workstation to the frock in the press-fit generator frame belongs to the motor and makes technical field.

Background

As shown in fig. 2, stator core assembly 100 includes stator winding 101 and stator core 102, and insulating paint is soaked behind the wire casing of stator winding 10 embedding stator core 20, then cladding stator core assembly protection cage 200 on stator core assembly 100 outer peripheral face, stator core assembly protection cage 200 comprises rib 201 and the twice circular hoop 202 of welding with 6 rib 201 is perpendicular respectively of 6 equipartitions, plays the effect of protection stator core assembly 100. When pressing the stator core assembly 100 into the generator base, the stator core assembly 100 needs to be turned from the vertical state to the horizontal state. The conventional method of turning the stator core assembly 100 is as follows: the two weaving lifting ropes are respectively sleeved at two ends of the stator iron core assembly protection cage 200, then the main lifting hook and the auxiliary lifting hook of the crane respectively lift two ends of the stator iron core assembly protection cage 200 through the weaving lifting ropes, after the stator iron core assembly protection cage 200 and the stator iron core assembly 100 are lifted to a certain height from the ground, the two weaving soft lifting ropes are put away one by one, and 90-degree overturning of the stator iron core assembly 100 is completed in the air. This flipping method has the following problems: because stator core 102 is stretched out at stator winding 101 both ends, when stator core subassembly 100 overturns 90, stator winding 101 both ends damage easily that damages, light then need rework maintenance, heavily cause the branch stator winding 101 to scrap, increased the manufacturing cost of stator core subassembly 100, the work efficiency is low, still has serious potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stator core subassembly upset pressure equipment frock neither can damage stator winding, can improve the upset efficiency of stator core subassembly again.

The utility model discloses a following technical scheme realizes:

a stator core assembly overturning and pressing tool comprises a positioning pressing barrel, a lifting rod, a combined supporting screw rod and a combined supporting screw rod position adjusting mechanism, wherein the positioning pressing barrel comprises a chassis, a pressing barrel body, an upper supporting ring and a lifting rod mounting seat; one end of the stator winding extends into the positioning pressing cylinder; the upper supporting ring of the positioning pressing cylinder and the lower end of the stator iron core assembly protective cage are fixedly connected into a whole through a plurality of fastening screws, the lower end of the lifting rod is screwed in and fixed at the center of the lifting rod mounting seat, the combined supporting screw rod is fixed in the middle of the lifting rod through the combined supporting screw rod position adjusting mechanism in a vertically adjustable position mode, and the outer end of the combined supporting screw rod is supported on the inner wall of the stator iron core.

The object of the invention is further achieved by the following technical measures.

Furthermore, the upper end of the lifting rod mounting seat penetrates out of the center of the chassis, a flange ring radially extends out of the lower end of the lifting rod mounting seat, and the outer edge of the flange ring is welded and fixed on the lower side of the center of the chassis; a plurality of triangular rib plates which are uniformly distributed in the radial direction are welded and fixed between the outer edge of the middle part of the lifting rod mounting seat and the upper side of the chassis.

Furthermore, the combined tightening screw comprises a central sleeve, a plurality of screw pipes and a plurality of screw rods, one ends of the plurality of screw pipes which are uniformly distributed in the radial direction are respectively welded and fixed on the middle part of the central sleeve, one ends of the screw rods are respectively screwed into the other ends of the corresponding screw pipes, the central sleeve is sleeved on the middle part of the lifting rod, the combined tightening screw is fixed on the middle part of the lifting rod through a position adjusting mechanism, the other ends of the screw rods are vertically and fixedly connected with a tightening block of which the diameter is larger than the diameter of the screw rod, and the arc-shaped outer side surface of the tightening block is abutted against the corresponding position of the inner wall of the stator core through rubber.

Furthermore, the position adjusting mechanism of the combined tightening screw rod comprises a central sleeve positioning hole which traverses through one end of the central sleeve, a plurality of lifting rod positioning holes and positioning pins which are arranged at intervals in the middle of the lifting rod, and the positioning pins traverse through the central sleeve positioning hole and the lifting rod positioning holes at the corresponding positions to position the combined tightening screw rod at the required position in the middle of the lifting rod.

The utility model discloses a stator core subassembly lower extreme presses a section of thick bamboo upper end fixed connection with the location for the stator winding that stretches out the stator core lower extreme obtains the reliable protection that the section of thick bamboo was pressed in the location, and when stator core subassembly upset 90, the stator winding lower extreme can not damage by touch. The manufacturing cost of the stator core assembly is reduced, the working efficiency of turning the stator core assembly by 90 degrees is improved, and potential safety hazards are avoided. The setting is in the jib locating hole that rises of jib middle part several, makes the utility model discloses a tight screw rod of combination can fix a position the different positions at jib middle part. Rotatory several screw rods respectively make the screw rod stretch out or retract in the screwed pipe that corresponds separately, can make the tight piece in top of screw rod end withstand the stator core hole of different models, improved the utility model discloses a commonality has reduced the installation cost in the generator frame is packed into to the stator core subassembly.

The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of the present invention vertically fixed to a work table;

fig. 2 is a front view of the stator core assembly of the present invention fixedly connected to the stator core assembly of fig. 1 after the table is turned 90 degrees;

fig. 3 is a right side view of fig. 2.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 to 3, the present embodiment includes a positioning pressing cylinder 1, a lifting rod 2, a combined tightening screw 3 and a combined tightening screw position adjusting mechanism 4, the positioning pressing cylinder 1 is a welded structural member, and includes a chassis 11, a pressing cylinder 12, an upper supporting ring 13 and a lifting rod mounting seat 14, two ends of the pressing cylinder 12 are respectively welded with the chassis 11 and the upper supporting ring 12 to form the positioning pressing cylinder 1, the upper end of the lifting rod mounting seat 14 penetrates through the center of the chassis 11, the lower end of the lifting rod mounting seat radially extends out of a flange ring 141, and the outer edge of the flange ring 141 is welded and fixed on the lower side of the center of the chassis 11; 6 radially evenly distributed triangular rib plates 142 are welded and fixed between the outer edge of the middle part of the lifting rod mounting seat 14 and the upper side of the chassis 11, so that the connection strength of the lifting rod mounting seat 14 and the chassis 11 is improved. The 4 claws 301 of the upender 300 grip the outer edge of the chassis 11, thereby fixing the positioning and pressing cylinder 1 on the worktable 302 of the upender 300. One end of the stator winding 101 extends into the positioning pressing cylinder 1, so that one end of the stator winding 101 is reliably protected. The lower ends of the 6 ribs 201 on the outer peripheral surfaces of the upper support ring 13 of the pressure cylinder body 1 and the stator core assembly protective cage 200 are fixedly connected into a whole through fastening screws 5, and the lower end of the lifting rod 2 is screwed and fixed in the center of the lifting rod mounting seat 14.

The combined supporting and tightening screw 3 comprises a central sleeve 31, 4 screw pipes 32 and 4 screw rods 33, one ends of the 4 screw pipes 32 uniformly distributed in the radial direction are welded and fixed on the middle part of the central sleeve 31 respectively, one ends of the screw rods 33 are screwed into the other ends of the corresponding screw pipes 32 respectively, the central sleeve 31 is sleeved on the middle part of the lifting rod 2, the combined supporting and tightening screw position adjusting mechanism 4 is fixed on the middle part of the lifting rod 2, the other ends of the screw rods 33 are fixedly connected with a supporting and tightening block 34 with the diameter larger than the diameter of the screw rods in a vertical mode, and the arc-shaped outer side surface of the supporting and tightening block 34 is abutted to the corresponding position of the inner wall of the stator core 102 through a rubber sheet 35.

The combined tightening screw position adjusting mechanism 4 comprises a central sleeve positioning hole 41 which traverses one end of the central sleeve 31, and a plurality of boom raising positioning holes 42 and positioning pins 43 which are arranged at intervals in the middle of the boom raising rod 2, wherein the positioning pins 43 of the embodiment adopt bolts matched with the hole diameter of the central sleeve positioning hole 41 and the hole diameter of the boom raising rod positioning hole 42, and the bolts traverse the central sleeve positioning hole 41 and the boom raising rod positioning hole 42 at the corresponding position to position and fix the combined tightening screw 3 at the required middle position of the boom raising rod 2. Thus, by rotating the plurality of screw rods 33 respectively, the plurality of screw rods 33 can extend out or retract in the respective corresponding screw tubes 32, so that the tightening blocks 34 at the ends of the screw rods 33 can be pressed against the inner holes of the stator cores 102 of the corresponding models through the rubber sheets 35. When being used for the stator core subassembly 100 of other models of upset, only need to change the location that the stator core 102 that corresponds different models corresponds and press a section of thick bamboo 1, and need not change jib 2 and make up a tight screw rod 3 to reduce the installation cost of the generator frame of packing into of stator core subassembly 100, improved the utility model discloses a commonality.

The utility model discloses an installation of stator core subassembly 100 is as follows at the process on the upset machine:

1. the positioning pressing cylinder 1 is placed on the workbench 302 of the turnover machine 300, and the 4 claws 301 of the turnover machine 300 clamp the outer edge of the chassis 11, so that the positioning pressing cylinder 1 is fixed on the workbench 302 of the turnover machine 300 in a horizontal state.

2. The 4 screws 33 are respectively screwed into the corresponding screw pipes 32 of the combined tightening screws 3 to form a cross shape, and then the central sleeve 31 of the combined tightening screws 3 is sleeved on the middle part of the hoisting rod 2. According to the length of the stator core 102 to be installed, the position of the lifting rod positioning hole 41 through which the positioning pin 22 passes is determined, and the combined supporting screw rod 3 is positioned and fixed at the middle position of the lifting rod 2 at the required position.

3. The assembled lifting rod 2 and combined supporting screw rod 3 assembly is vertically hung into the positioning pressing cylinder 1, and the lower end of the lifting rod 2 is screwed and fixed in the center of the lifting rod mounting seat 14.

4. Firstly, a workbench 302 of the tilter 300 is overturned by 90 degrees, so that the positioning pressing cylinder 1 and the lifting rod 2 are in a horizontal state, then the stator core assembly 100 provided with the stator core assembly protection cage 200 is horizontally lifted and transported to the outer side of the positioning pressing cylinder 1, the stator core assembly protection cage 200 lifted by a travelling crane and the stator core assembly 100 move towards the direction of the positioning pressing cylinder 1, and one end of a stator winding 101 extends into the positioning pressing cylinder 1; the unthreaded hole of the upper supporting ring 13 of the pressing cylinder body 1 and the threaded holes at the lower ends of the 6 ribs 201 on the outer peripheral surface of the stator iron core assembly protective cage 200 are aligned, and then the stator iron core assembly 100 is fixed on the positioning pressing cylinder body 1 by penetrating the corresponding unthreaded hole with a fastening screw 5 and screwing the threaded holes. Then, at the position where the hole wall of the inner hole of the stator core 102 corresponds to the screw 33, firstly, the rubber sheet 35 is padded to prevent the hole wall from being extruded; and then, respectively rotating the screw rods 33 to enable the jacking blocks 34 at the ends of the screw rods 33 to jack the inner holes of the stator cores 102 through the rubber sheets 35, thereby completing the installation of the stator core assembly 100.

5. The crane hook is assisted to hang stator iron core assembly 100 and one end of positioning pressing cylinder 1 to increase the turning resistance through the braided lifting rope passing through lifting rod 2 end lifting ring 21, so as to ensure stable turning. And then slowly overturning the workbench 302 of the overturning machine 300 by 90 degrees in the opposite direction, so that the positioning pressing cylinder 1 and the stator iron core assembly 100 thereon are in a vertical state, and the stator iron core assembly 100 can be prepared to be vertically pressed into a generator base.

In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A stator core assembly overturning and pressing tool is characterized by comprising a positioning pressing barrel, a lifting rod, a combined supporting screw and a combined supporting screw position adjusting mechanism, wherein the positioning pressing barrel comprises a chassis, a pressing barrel body, an upper supporting ring and a lifting rod mounting seat; one end of the stator winding extends into the positioning pressing cylinder, an upper supporting ring of the positioning pressing cylinder and the lower end of the stator iron core assembly protective cage are fixedly connected into a whole through a plurality of fastening screws, the lower end of the lifting rod is screwed in and fixed at the center of the lifting rod mounting seat, the combined tightening screw rod is fixed in the middle of the lifting rod through the combined tightening screw rod position adjusting mechanism in a vertically adjustable position mode, and the outer end of the combined tightening screw rod is supported on the inner wall of the stator iron core.

2. The stator core assembly turning press-fitting tool according to claim 1, wherein the upper end of the lifting rod mounting seat penetrates through the center of the chassis, a flange ring radially extends out of the lower end of the lifting rod mounting seat, and the outer edge of the flange ring is welded and fixed on the lower side of the center of the chassis; a plurality of triangular rib plates which are uniformly distributed in the radial direction are welded and fixed between the outer edge of the middle part of the lifting rod mounting seat and the upper side of the chassis.

3. The stator core assembly turning press-fitting tool according to claim 1, wherein the combined tightening screw comprises a central sleeve, a plurality of screw tubes and a plurality of screws, one ends of the screw tubes which are uniformly distributed in the radial direction are respectively welded and fixed on the middle part of the central sleeve, one ends of the screws are respectively screwed into the other ends of the corresponding screw tubes, the central sleeve is sleeved on the middle part of the lifting rod, the combined tightening screw is fixed on the middle part of the lifting rod through a combined tightening screw position adjusting mechanism, the other ends of the screws are vertically and fixedly connected with a tightening block of which the diameter is larger than the diameter of the screw rod, and the arc-shaped outer side surface of the tightening block is abutted against the corresponding position of the inner wall of the stator core through rubber.

4. The assembly turning and press-fitting tool for a stator core according to claim 3, wherein the assembly tightening screw position adjusting mechanism comprises a central sleeve positioning hole traversing through one end of the central sleeve, a plurality of lifting rod positioning holes and positioning pins arranged at intervals in the middle of the lifting rod, the positioning pins traversing through the central sleeve positioning hole and the corresponding lifting rod positioning holes to position the assembly tightening screw at a desired position in the middle of the lifting rod.