CN111689391A - Large-scale motor stator air turning-over device - Google Patents
Large-scale motor stator air turning-over device Download PDFInfo
- Publication number
- CN111689391A CN111689391A CN202010558096.9A CN202010558096A CN111689391A CN 111689391 A CN111689391 A CN 111689391A CN 202010558096 A CN202010558096 A CN 202010558096A CN 111689391 A CN111689391 A CN 111689391A
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- Prior art keywords
- lifting
- turning
- over
- stator
- rope
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a large-scale motor stator in-air turning-over device, wherein an annular lifting rope 2 is connected to a lifting beam 1 through a shackle 13, the annular lifting rope 2 is hung on a lifting column 17 of a motor stator heavy turning-over lifting tool 4, an auxiliary lifting rope 5 is fixed to a light turning-over lifting tool 3 through a first through hole 14, the light turning-over lifting tool 3 is fixed to the side surface of a stator far away from the center of gravity through a bolt 7, and the heavy turning-over lifting tool 4 is fixed to the side surface of a motor stator 6 near the center of gravity through the bolt 7. The invention realizes the stable turning of the stator in the air, does not damage the stator structure, has reliable hoisting, low working strength, controllable safety risk, no damage to the insulation of the stator coil, can be used for multiple times, saves the tool cost, saves the operation difficulty and increases the working efficiency.
Description
The technical field is as follows:
the invention relates to a large-scale motor stator air turning device.
Background art:
the tonnage of a large motor stator is close to 100 tons, the stator is offline in a horizontal state, vacuum dip coating is needed to be poured into a vacuum dip coating tank for dip coating after the stator is offline, the horizontal state of the motor is large in space diagonal dimension, so that the stator cannot be poured into the vacuum dip coating tank, the stator needs to be converted from the horizontal state into a vertical state, the stator is required to be stably turned over in the whole conversion process, large impact force is not allowed, the stator coil can slide in a wire descending groove if large impact force exists, the stator coil has breaking risk, if a conventional turning-over scheme in a factory is adopted, large impact force can be generated in the turning-over process, the tonnage of the stator is overlarge, inertia is large, and great risk is.
The invention content is as follows:
the invention aims to provide an air turnover device for a large motor stator, which reduces the risk of assembly, hoisting and turnover of the large motor stator, reduces the operation difficulty of an operator, and increases the success probability of paint dipping of the motor stator and the qualification rate of products. The invention adopts the following technical scheme: a large-scale motor stator air turning-over device comprises a hanging beam (1), an annular hanging rope (2), a light turning-over hoisting tool (3), a heavy turning-over hoisting tool (4) and an auxiliary hanging rope (5), wherein the annular hanging rope (2) is connected to the hanging beam (1) through a shackle (13), the annular hanging rope (2) is hung on a hanging column (17) of the motor stator heavy turning-over hoisting tool (4), the auxiliary hanging rope (5) is fixed on the light turning-over hoisting tool (3) through a first through hole (14), the light turning-over hoisting tool (3) is fixed on the side surface of a stator far away from the center of gravity through a bolt (7), the heavy turning-over hoisting tool (4) is fixed on the side surface of the motor stator (6) near the center of gravity through the bolt (7), the center of gravity of the motor stator (6) is arranged between the light turning-over hoisting tool (3) and the heavy turning-over hoisting tool (4, the heavy-duty turning-over hoisting tool (4) is of a hollow structure.
The hanging beam (1) is fixedly connected with the upper plate (10) after being fixedly connected with the side plate (8) through the end plate (9), the lower part of the end plate (9) and the side plate (8) is fixedly connected with the hanging plate (12), the hanging column (11) and the hanging plate (12) are assembled and welded to form the hanging beam, and the hanging plate (12) is provided with the shackle (13).
The light turning-over hoisting tool (3) is provided with a first middle hole (15), the light turning-over hoisting tool (3) is fixed to the stator base by a bolt (7), and an auxiliary lifting rope (5) is arranged in the first through hole (14).
A lifting column (17) is welded on the heavy turning-over lifting tool (4), a second middle hole (18) is formed in the heavy turning-over lifting tool (4), an auxiliary lifting rope (5) is installed in the second middle hole (18), and a bolt (7) penetrates through a second through hole (16) to fix the heavy turning-over lifting tool (4) on a stator base.
The annular lifting rope (2) is an annular rigging formed by winding a jointless rope ring, and the auxiliary lifting rope (5) is an inserting and weaving steel wire rope lockset.
The working principle of the invention is as follows:
the stator in a horizontal state is lifted to a tool square box, a light-duty turnover hoisting tool and a heavy-duty turnover hoisting tool are fixed on two sides of a stator base, a crane in a factory is used for hoisting a hoisting beam, annular hoisting ropes at two ends of the hoisting beam are installed on the heavy-duty turnover hoisting tool, and an auxiliary hoisting rope is installed on the light-duty turnover hoisting tool. The other end of the auxiliary lifting rope is installed on another hook of the travelling crane, the stator is stably lifted by two lifting hooks of the travelling crane, when the stator reaches a certain height and meets the requirement of an overturning space, the auxiliary lifting rope stably descends, the stator can stably overturn by utilizing a lever principle, when the gravity center of the stator overturns to be vertical to the vertical direction of the lifting point of the heavy overturning lifting tool, the auxiliary lifting rope is disassembled and installed on another lifting hole of the heavy overturning lifting tool, the stator manually rotates 180 degrees in the air, the other end of the auxiliary lifting rope is installed on another lifting hook of the travelling crane, the hook is slowly and stably lifted, and the stator is overturned to be vertical. The height of the motor stator is stably reduced, the motor stator falls on the square tool box, and the auxiliary hoisting tool needs to be detached before the stator is horizontally hoisted into the tank, so that the stator can enter the paint dipping tank.
The specific use process of the tool is as follows: the stator in a horizontal state is lifted to a tool square box, a light-duty turnover hoisting tool and a heavy-duty turnover hoisting tool are fixed on two sides of a stator base, a crane in a factory is used for hoisting a hoisting beam, annular hoisting ropes at two ends of the hoisting beam are installed on the heavy-duty turnover hoisting tool, and an auxiliary hoisting rope is installed on the light-duty turnover hoisting tool. The other end of the auxiliary lifting rope is installed on another hook of the travelling crane, the stator is stably lifted by two lifting hooks of the travelling crane, when the stator reaches a certain height and meets the requirement of an overturning space, the auxiliary lifting rope stably descends, the stator can stably overturn by utilizing a lever principle, when the gravity center of the stator overturns to be vertical to the vertical direction of the lifting point of the heavy overturning lifting tool, the auxiliary lifting rope is disassembled and installed on another lifting hole of the heavy overturning lifting tool, the stator manually rotates 180 degrees in the air, the other end of the auxiliary lifting rope is installed on another lifting hook of the travelling crane, the hook is slowly and stably lifted, and the stator is overturned to be vertical. The height of the motor stator is stably reduced, the motor stator falls on the square tool box, and the auxiliary hoisting tool needs to be detached before the stator is horizontally hoisted into the tank, so that the stator can enter the paint dipping tank.
The invention has the beneficial effects that:
according to the invention, a light-duty turnover hoisting tool and a heavy-duty turnover hoisting tool are fixed on two side surfaces of a stator by bolts, a hoisting beam is hung on a travelling crane hook, an annular hoisting rope is hung on the hoisting beam, the annular hoisting rope is hung on a hoisting column of the heavy-duty turnover hoisting tool after the travelling crane hook is lifted to a certain height, an auxiliary hoisting rope is installed on the light-duty turnover hoisting tool, the other end of the auxiliary hoisting rope is hung on the other hoisting hook of the travelling crane, and the auxiliary hoisting rope can slowly fall down after the two hoisting hooks of the travelling crane are stably lifted to a certain height, so that the stator can be stably rotated and turned over due to the lever effect between the gravity center and a. The device can realize the stable turning of the stator in the air under the condition that the stator body has no proper lifting point, has the advantages of no damage to the stator structure, reliable lifting, low working strength, controllable safety risk and no damage to the insulation of the stator coil compared with the conventional mode of turning over the raft, can be used for multiple times, saves the tool cost, saves the operation difficulty and increases the working efficiency.
When the invention is adopted, the whole hoisting process has no impact and no acceleration, the stator stably turns over in the air, the hoisting risk is controllable, and the difficult problem of paint dipping of the large motor stator is solved.
Drawings
Fig. 1 is a schematic view of a suspension beam of the present invention.
Figure 2 is a schematic view of the looped-type sling of the present invention.
Figure 3 is a schematic view of the lightweight roll-over hoist of the present invention.
Figure 4 is a schematic view of a heavy body turn-over hoist of the present invention.
Fig. 5 is a schematic view of an auxiliary hoist rope of the present invention.
FIG. 6 is a schematic diagram of the use of the apparatus of the present invention.
Detailed Description
As shown in fig. 1, the large-scale motor stator air turning device is composed of a hanging beam 1, an annular hanging rope 2, a light turning-over hoisting tool 3, a heavy turning-over hoisting tool 4 and an auxiliary hanging rope 5, wherein the annular hanging rope 2 is connected to the hanging beam 1 through a shackle 13, the annular hanging rope 2 is hung on a hanging column 17 of the motor stator heavy turning-over hoisting tool 4, the auxiliary hanging rope 5 is fixed on the light turning-over hoisting tool 3 through a first through hole 14, the light turning-over hoisting tool 3 is fixed on a position far away from the center of gravity of the side surface of a stator through a bolt 7, the heavy turning-over hoisting tool 4 is fixed on a position near the center of gravity of the side surface of a motor stator 6 through a bolt 7, the center of gravity of the motor stator 6 is arranged between the light turning-over hoisting tool 3 and the heavy.
The hanging beam 1 is formed by fixedly connecting an end plate 9 and a side plate 8 and then fixedly connecting an upper plate 10, fixedly connecting the lower parts of the end plate 9 and the side plate 8 with a hanging plate 12, assembling and welding hanging columns 11 and the hanging plate 12, and installing shackles 13 on the hanging plate 12.
The light-duty body-turning hoisting tool 3 is provided with a first middle hole 15, the light-duty body-turning hoisting tool 3 is fixed to the stator base by bolts 7, and the auxiliary lifting rope 5 is arranged in the first through hole 14.
A lifting column 17 is welded on the heavy-duty turning-over lifting tool 4, a second middle hole 18 is formed in the heavy-duty turning-over lifting tool 4, an auxiliary lifting rope 5 is arranged in the second middle hole 18, and the heavy-duty turning-over lifting tool 4 is fixed on the stator base by penetrating a bolt 7 through a second through hole 16.
The annular lifting rope 2 is an annular rigging formed by winding a jointless rope ring, and the auxiliary lifting rope 5 is an inserting and weaving steel wire rope lockset.
As shown in figure 1, the hanging beam 1 of the invention is formed by fixedly connecting an end plate 9 and a side plate 8 and then fixedly connecting the end plate 9 and the lower part of the side plate 8 with a hanging plate 12, assembling and welding a hanging column 11 and the hanging plate 12, and installing a shackle 13 on the hanging plate 12.
As shown in fig. 2, the annular lifting rope 2 of the invention is an annular rigging formed by winding a jointless rope ring, and is used for being locked on a shackle 13 and being hung on a lifting column 17 of a heavy turnover hoisting tool 4 at the later stage for stator turnover.
As shown in figure 3, the light turnover hoisting tool 3 is formed by processing a steel plate, a first middle hole 15 of the tool is used for fixing the tool on the side surface of the motor stator 6 by using a bolt 7, a first through hole 14 is used for installing an auxiliary lifting rope 5, and the tool is fixed on the side surface of the motor stator 6 when in use, so the hole distance of the first middle hole 15 is processed according to the position of a fixed hole on the side surface of the motor stator (6).
As shown in figure 4, the heavy-duty turnover hoisting tool 4 is formed by processing a steel plate and then welding a hoisting column 17 at a calculated position, wherein a second central hole 18 is used for installing an auxiliary hoisting rope 5, a second through hole 16 is used for fixing the tool on the side surface of a motor stator 6 by using a bolt 7, and the tool is designed by adopting a hollow design for achieving the purposes of reducing weight and increasing strength.
As shown in figure 5, the auxiliary lifting rope 5 in the invention is a splicing steel wire rope lock and is used for pulling the stator when the stator turns over in the air.
As shown in figure 6, which is a schematic diagram of the use of the device of the invention, a light-duty turning-over hoisting tool 3 and a heavy-duty turning-over hoisting tool 4 are fixed on two side surfaces of a motor stator 6 by bolts 7, a hoisting beam 1 is pressed on a crane hook, a ring-shaped hoisting rope 2 is hung on a shackle 13 of the hoisting beam 1, the ring-shaped hoisting rope is hung on a hoisting post 17 of the heavy-duty turning-over hoisting tool 4 after the hoisting beam 1 is lifted to a certain height, an auxiliary hoisting rope 5 is installed in a first through hole 14 of the light-duty turning-over hoisting tool 3, the other end is hung on a crane, the auxiliary hoisting rope 5 can slowly fall down after two hooks of the crane are stably lifted to a certain height, so that the motor stator 6 can realize the stable rotation and turning-over of the motor stator 6 due to the lever effect between the center of gravity and the hoisting point, when the center of the motor stator 6 and the hoisting post 17 on the heavy-, at the moment, the auxiliary lifting rope 5 is detached and fixed in a second middle hole 18 in the heavy turning-over lifting tool 4, the stator is manually rotated 180 degrees in the air, the auxiliary lifting rope 5 is hung on another hook of the travelling crane to stably lift the auxiliary lifting rope, and finally the overhead stable turning-over of the motor stator 6 is completed when a lifting column 17 and the second middle hole 18 on the heavy turning-over lifting tool 4 reach a horizontal state.
The device can realize the stable turning of the stator in the air under the condition that the stator body has no proper lifting point, has the advantages of no damage to the stator structure, reliable lifting, low working strength, controllable safety risk and no damage to the insulation of the stator coil compared with the conventional mode of turning over the raft, can be used for multiple times, and saves the tool cost.
Claims (5)
1. A large-scale motor stator air turnover device is characterized in that: consists of a hanging beam (1) and a ring-shaped hanging rope (2), light-duty lifting device (3) that stands up, heavy lifting device (4) and supplementary lifting rope (5) are constituteed that stand up, annular lifting rope (2) are connected to on hanging beam (1) through shackle (13), annular lifting rope (2) are hung on davit (17) of the heavy lifting device (4) that stands up of motor stator, supplementary lifting rope (5) pass first through-hole (14) and fix on light-duty lifting device (3) that stands up, light-duty lifting device (3) that stands up are fixed to the stator side through bolt (7) and are kept away from centrobaric position, heavy lifting device (4) that stand up are fixed in motor stator (6) side through bolt (7) and are close to centrobaric position, motor stator (6) focus is between light-duty lifting device (3) and heavy lifting device (4) that stands up, heavy lifting device (4) are hollow out construction.
2. The large motor stator turning-over device in the air as claimed in claim 1 is characterized in that: the hanging beam (1) is fixedly connected with the upper plate (10) after being fixedly connected with the side plate (8) through the end plate (9), the lower part of the end plate (9) and the side plate (8) is fixedly connected with the hanging plate (12), the hanging column (11) and the hanging plate (12) are assembled and welded to form the hanging beam, and the hanging plate (12) is provided with the shackle (13).
3. The large motor stator turning-over device in the air as claimed in claim 1 is characterized in that: the light turning-over hoisting tool (3) is provided with a first middle hole (15), the light turning-over hoisting tool (3) is fixed to the stator base by a bolt (7), and an auxiliary lifting rope (5) is arranged in the first through hole (14).
4. The large motor stator turning-over device in the air as claimed in claim 1 is characterized in that: a lifting column (17) is welded on the heavy turning-over lifting tool (4), a second middle hole (18) is formed in the heavy turning-over lifting tool (4), an auxiliary lifting rope (5) is installed in the second middle hole (18), and a bolt (7) penetrates through a second through hole (16) to fix the heavy turning-over lifting tool (4) on a stator base.
5. The large motor stator turning-over device in the air as claimed in claim 1 is characterized in that: the annular lifting rope (2) is an annular rigging formed by winding a jointless rope ring, and the auxiliary lifting rope (5) is an inserting and weaving steel wire rope lockset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558096.9A CN111689391A (en) | 2020-06-18 | 2020-06-18 | Large-scale motor stator air turning-over device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558096.9A CN111689391A (en) | 2020-06-18 | 2020-06-18 | Large-scale motor stator air turning-over device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111689391A true CN111689391A (en) | 2020-09-22 |
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ID=72482028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010558096.9A Pending CN111689391A (en) | 2020-06-18 | 2020-06-18 | Large-scale motor stator air turning-over device |
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| Country | Link |
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| CN (1) | CN111689391A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1319013A (en) * | 1970-07-08 | 1973-05-31 | Westinghouse Electric Corp | Cable support structure in combination with an atomic reactor vessel |
| CN101117199A (en) * | 2006-08-03 | 2008-02-06 | 三菱重工业株式会社 | Crane |
| CN101254884A (en) * | 2008-03-12 | 2008-09-03 | 渤海船舶重工有限责任公司 | Screw-propeller turning-over device |
| CN203806941U (en) * | 2014-05-07 | 2014-09-03 | 新疆金风科技股份有限公司 | Hoisting overturning device of direct-drive wind power generator |
| CN110342395A (en) * | 2019-07-16 | 2019-10-18 | 十堰天凯模具制造有限公司 | A kind of pure pneumatic full-automatic transportation lifting appliance of sand core |
| CN111039171A (en) * | 2019-12-19 | 2020-04-21 | 哈尔滨电气动力装备有限公司 | Large-scale motor stator paint dipping and air-overturning process |
-
2020
- 2020-06-18 CN CN202010558096.9A patent/CN111689391A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1319013A (en) * | 1970-07-08 | 1973-05-31 | Westinghouse Electric Corp | Cable support structure in combination with an atomic reactor vessel |
| CN101117199A (en) * | 2006-08-03 | 2008-02-06 | 三菱重工业株式会社 | Crane |
| CN101254884A (en) * | 2008-03-12 | 2008-09-03 | 渤海船舶重工有限责任公司 | Screw-propeller turning-over device |
| CN203806941U (en) * | 2014-05-07 | 2014-09-03 | 新疆金风科技股份有限公司 | Hoisting overturning device of direct-drive wind power generator |
| CN110342395A (en) * | 2019-07-16 | 2019-10-18 | 十堰天凯模具制造有限公司 | A kind of pure pneumatic full-automatic transportation lifting appliance of sand core |
| CN111039171A (en) * | 2019-12-19 | 2020-04-21 | 哈尔滨电气动力装备有限公司 | Large-scale motor stator paint dipping and air-overturning process |
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Application publication date: 20200922 |
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| WD01 | Invention patent application deemed withdrawn after publication |