CN113979352A - Lifting positioning device for overall assembly of high-voltage inverted current transformer - Google Patents
Lifting positioning device for overall assembly of high-voltage inverted current transformer Download PDFInfo
- Publication number
- CN113979352A CN113979352A CN202010731871.6A CN202010731871A CN113979352A CN 113979352 A CN113979352 A CN 113979352A CN 202010731871 A CN202010731871 A CN 202010731871A CN 113979352 A CN113979352 A CN 113979352A
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- China
- Prior art keywords
- lifting
- positioning device
- positioning
- current transformer
- inverted current
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 230000007306 turnover Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000003860 storage Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a lifting positioning device for integrally assembling a high-voltage inverted current transformer, which comprises a lifting device, a positioning device and a lifting mechanism, wherein the lifting mechanism and the lifting device are arranged in a workshop below the ground; the positioning device comprises two symmetrical parts, and the lifting device and the positioning device are mutually independent at a ground lifting opening of the workshop; the lifting device comprises rollers, channels, a lifting platform and underground walls, wherein the underground walls are arranged on two sides respectively, the rollers are mounted at the bottom of the lifting platform through supports, the two underground walls are provided with vertical channels, and the rollers are in rolling connection with the channels. The positioning device is provided with the circumferential positioning structures with various sizes, and the allowance circumferential butt joint gap is reserved in the middle, so that the positioning device is suitable for assembling the mutual inductors with various sizes; the phenomenon of dumping in the assembling process can be avoided, the height of the mutual inductor from the ground can be adjusted, and the assembling efficiency is improved.
Description
Technical Field
The invention relates to a mutual inductor assembly tool, in particular to a lifting positioning device for the integral assembly of a high-voltage inverted current mutual inductor.
Background
At present, the minimum height of an inverted current transformer above 363KV voltage level is about 4900mm, the minimum weight is about 1100kg, and the common assembly mode in the existing production is to adopt an electric lift truck for assembly due to the fact that the whole height of a transformer product with a high voltage level is too high and the weight is too large. The following disadvantages exist in the operation process:
1) when too many mutual inductor products need to be assembled, a plurality of lifting trucks are needed to assemble the mutual inductor products at the same time, which not only needs a large expenditure of car purchasing cost, but also is not in place for communication and matching of workers in the assembling process and low in assembling efficiency, and is not beneficial to the workers to accurately assemble the wiring of the wiring terminals of the mutual inductor base and the parts such as the oil conservator and the expander at the top;
2) because of the whole height and the weight of the mutual inductor product, the phenomenon of dumping easily occurs in the assembling process, and great personal injury is caused to personnel.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when a high-voltage-class inverted current transformer is assembled and assembled at the same time, a plurality of lifting trucks are required to be matched with a transformer product at the same time, the assembly efficiency is low, the phenomenon of toppling is easy to occur in the assembly process, and the like.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides a lifting positioning device for integrally assembling a high-voltage inverted current transformer, which comprises a lifting device, a positioning device and a lifting mechanism, wherein the lifting mechanism and the lifting device are arranged in a workshop below the ground; the positioning device comprises two symmetrical parts, a ground lifting opening of the workshop, and the lifting device and the positioning device are mutually independent.
The lifting device comprises rollers, channels, a lifting platform and underground walls, wherein the underground walls are arranged on two sides respectively, the rollers are mounted at the bottom of the lifting platform through supports, the two underground walls are provided with vertical channels, and the rollers are in rolling connection with the channels.
The positioning device comprises two parts with symmetrical structures and is slidably mounted at a ground lifting hole of a workshop in a split mode, each part of the positioning device comprises a supporting block, a mesh plate and a positioning block, the supporting block, the mesh plate and the positioning block are arranged on the same plane, the supporting block and the positioning block are rotatably connected with the mesh plate through hinges and can be arranged above the mesh plate in a turnover mode of 180 degrees.
Each part of positioning block is of a plate type structure with a semicircular gap; or each part of positioning blocks are of two plate-type structures with quarter-circle gaps to form a semicircular cylinder opening, and the positioning blocks of the two parts of structures surround to form a circular station.
1-15 stations correspond to products with different sizes; and supporting blocks are arranged between the adjacent positioning stations.
The invention also comprises a disc which is sealed on the station hole.
The lifting mechanism comprises two folding lifting frames, each folding lifting frame is provided with a hydraulic cylinder, and the two folding lifting frames are supported at the bottom of the lifting platform.
The folding lifting frames adopt a double-X structure which is connected up and down, a first connecting cross beam is connected between the cross points of the X structures of the upper parts of the two folding lifting frames, and a second connecting cross beam is connected between the support legs of the X structures of the lower parts; the hydraulic cylinder is arranged on the second connecting beam, and the end part of a piston rod of the hydraulic cylinder is connected with the first connecting beam.
The invention has the following beneficial effects and advantages:
1. the positioning device is provided with the circumferential positioning structures with various sizes, and the allowance circumferential butt joint gap is reserved in the middle, so that the positioning device is suitable for assembling the mutual inductors with various sizes; the phenomenon of toppling over in the assembly process can be avoided.
2. According to the invention, through the design of the lifting platform device and the matching of the lifting mechanism, the height of the mutual inductor from the ground can be adjusted, the assembly of the components such as the expander and the primary terminal at the top of the mutual inductor and the wiring of the wiring terminal of the base are facilitated, the integral assembly process is simplified, and the assembly efficiency is improved.
Drawings
FIG. 1 is a general schematic diagram of an integral assembly lifting and positioning device for a mutual inductor according to the invention;
FIG. 2 is an external view of the lifting device of the present invention;
FIG. 3A is a schematic view of the roller and groove structure of FIG. 2;
FIG. 3B is a top view of FIG. 3A;
FIG. 4 is a schematic view of a positioning device of the present invention;
FIG. 5A is a front view of the positioning block of FIG. 4;
FIG. 5B is a bottom view of FIG. 5A;
FIG. 6A is a schematic view of the disk structure of FIG. 4;
FIG. 6B is a bottom view of FIG. 6A;
FIG. 7 is a side schematic view of the lift mechanism of the present invention;
fig. 8 is a front view schematically showing the elevating mechanism of the present invention.
Wherein, 1 is a lifting device, 101 is a roller, 102 is a channel, and 103 is a lifting platform. 104 external platform, 2 is positioner, 201 is the supporting shoe, 202 is the mesh board, 203 is the locating piece, 204 is the disc, 3 is elevating system, 301 is first landing leg, 302 is the second landing leg, 303 is the third landing leg, 304 is the fourth landing leg, 305 is first connection leg 306 is the pneumatic cylinder, 307 is the second connection leg, 308 is the third connection leg, 309 is the fourth connection leg, 310 is first connection crossbeam, 311 is the second connection crossbeam.
Detailed Description
The invention is further elucidated with reference to the accompanying drawings.
As shown in fig. 1, the lifting and positioning device for the integral assembly of a high-voltage inverted current transformer of the present invention comprises a lifting device 1, a positioning device 2 and a lifting mechanism 3, wherein the lifting mechanism 3 and the lifting device 1 are both arranged in a workshop below the ground, and the lifting mechanism 3 is installed at the bottom of the lifting device 1; the positioning device 2 comprises two symmetrical parts, and the lifting device 1 and the positioning device 2 are independent and do not interfere with each other at a ground lifting opening of the workshop.
As shown in fig. 2, 3A and 3B, the lifting device 1 includes rollers 101, a channel 102, a lifting platform 103 and an underground wall 104, wherein the underground wall 104 is respectively disposed at two sides, a plurality of rollers 101 are mounted at the bottom of the lifting platform 103 through a bracket, two underground walls 104 are both provided with vertical channels 102, and the rollers 101 are connected with the channels 102 in a rolling manner.
As shown in fig. 4, the positioning device 2 includes two symmetrical parts, which are slidably mounted at a ground lifting opening of a workshop in a split manner, each part of the positioning device 2 includes a supporting block 201, a mesh plate 202 and a positioning block 203, which are located on the same plane, wherein the supporting block 201 and the positioning block 203 are rotatably connected with the mesh plate 202 through hinges, and can be placed above the mesh plate 202 by being turned 180 °.
Each part of the positioning block 203 is of a plate type structure with a semicircular notch; or each part of the positioning blocks 203 is of a plate type structure (shown in fig. 5A-5B) with a quarter-circle notch combined into a semi-circular cylinder opening, and the positioning blocks of the two parts of the structure surround to form a circular station; and a disc 204 (shown in fig. 6A-6B) enclosed over the station hole.
1-15 stations are corresponding to products with different sizes; supporting blocks 201 are arranged between the adjacent positioning stations. And arranging a set of lifting device and positioning device at every 3-4 stations. This embodiment employs 3 stations.
As shown in fig. 7 to 8, the lifting mechanism comprises two folding lifting frames, each folding lifting frame is provided with a hydraulic cylinder, and the two folding lifting frames are supported at the bottom of the lifting platform 103; the folding lifting frames adopt a double-X structure which is connected up and down, the cross points of the X structures of the upper parts of the two folding lifting frames are connected with a first connecting cross beam 310 through bolts and nuts, and the support legs of the X structures of the lower parts are connected with a second connecting cross beam 311; the hydraulic cylinder is mounted on the second connecting beam 311, and the end of the piston rod of the hydraulic cylinder is connected with the first connecting beam 310.
In this embodiment, the roller 101 is mounted at the bottom of the lifting platform 103 through a bracket, and is matched with the channel 102 welded on the inner side of the underground wall 104, so that the lifting platform is lifted, and the groove outside the channel 102 can ensure that the roller 101 does not break away from the rail during the action.
In the positioning device, the inner diameter of the positioning block 203 corresponds to different stations, so that each station can position mutual inductors with different overall dimensions, and the mutual inductor products with various dimensions can be stably limited during assembly. When not using, positioner accomodates in secret workshop, when needs are fixed a position mutual-inductor oil storage cabinet, uses platform control switch control positioner to extend out and dock, makes both sides supporting shoe 201 and locating piece 203 link up fixedly with mesh board 202, forms plane operation platform, guarantees the personal safety of staff when parts such as oil storage cabinet, expander are assembled to operation platform on the ground. When the assembly station is not used, the station hole is sealed by the disc 204, so that accidents such as falling of personnel are prevented.
The hydraulic cylinder 306 in the lifting mechanism plays a role in driving the lifting mechanism to lift. When the control platform switch makes the hydraulic cylinder 306 act, the two hydraulic cylinders drive the first to fourth supporting legs 301-304 to be folded or unfolded at the same time, so that the height of the lifting platform 103 is reduced or raised, and the mutual inductor product is convenient to assemble.
The working principle of the invention is as follows: the hydraulic cylinder controls the lifting mechanism to move so as to drive the lifting platform to lift or descend; make positioner extend from external platform bottom through control switch, utilize the oil conservator of the spacing mutual-inductor of locating hole on the positioner, make things convenient for workman's assembly, guarantee the safety of personnel and product simultaneously. The power part of the hydraulic cylinder mainly comprises an oil tank, an oil pump, a one-way valve and a hydraulic valve, wherein oil is used as a working medium, and the hydraulic cylinder works up and down through oil inlet and outlet of an oil inlet and an oil return port. The hydraulic cylinder transmits motion through the change of the sealing volume and transmits power through the pressure in the oil.
The working process of the invention is as follows: the device is as shown in fig. 2, firstly, the mutual inductor base is fixed on the lifting platform 103 through the base tool, then the external porcelain bushing and the lower oil storage cabinet are assembled from bottom to top in sequence, after partial assembly is completed, a product is lowered to the underground to wait for the next assembly, and in the process, the action of the lifting mechanism is required to be adjusted through the platform control switch, as shown in fig. 7. The hydraulic cylinder 306 drives the lifting mechanism through the action of the piston rod, so that the whole height of the device is lowered, meanwhile, the roller 101 at the bottom of the lifting platform 103 is driven to roll along the channel 102 welded on the inner side of the external platform picture 104, and a product is also lowered into an underground workshop along with the lifting platform 10-3.
After the product falls to underground workshop, get into the positioning process to oil storage tank under the mutual-inductor, use platform control switch control positioner to extend out, overturn 180 expandes both sides supporting shoe 201 and locating piece 203, utilize oil storage tank under the round hole location that locating piece 203 formed, prevent that the product from appearing empting. The disks 204 are used to seal off unused station holes and prevent workers from falling. Then, the transformer body is lifted to the lifting platform 103 from the drying furnace, and the transformer body is placed into the lower oil conservator after being cooled to the room temperature. After the inner part of the transformer is filled with the paperboard, the parts such as the oil conservator, the primary conductor, the external expander and the like are assembled, and the integral assembly of the transformer is completed.
And finally, controlling the lifting platform 103 to be lifted to a proper height, and hoisting the mutual inductor product on the lifting platform 103 to the next procedure.
The invention has simple and convenient operation, is convenient for the communication between the ground personnel and the underground personnel during the assembly, can position the mutual inductor with various external dimensions during the positioning, and simplifies the assembly process; the unfolded supporting block and the unfolded positioning block can ensure that personnel can safely walk and assemble on the platform through the clamping grooves; the lowest descending height of the lifting platform is 7000mm away from the ground surface, the lifting platform bears 14T, and the three 550KV inverted current transformers can be assembled simultaneously and safely. Three assembly stations are included in fig. 4, and the number of stations can be changed according to actual requirements.
Claims (8)
1. The utility model provides a high voltage handstand formula current transformer lifting positioning device for unit mount which characterized in that: the lifting device is arranged on the bottom of the lifting device; the positioning device comprises two symmetrical parts, a ground lifting opening of the workshop, and the lifting device and the positioning device are mutually independent.
2. The lifting positioning device for the integral assembly of the high-voltage inverted current transformer according to claim 1, characterized in that: the lifting device comprises rollers, channels, a lifting platform and underground walls, wherein the underground walls are arranged on two sides respectively, the rollers are mounted at the bottom of the lifting platform through supports, the two underground walls are provided with vertical channels, and the rollers are in rolling connection with the channels.
3. The lifting positioning device for the integral assembly of the high-voltage inverted current transformer according to claim 1, characterized in that: the positioning device comprises two parts with symmetrical structures and is slidably mounted at a ground lifting hole of a workshop in a split mode, each part of the positioning device comprises a supporting block, a mesh plate and a positioning block, the supporting block, the mesh plate and the positioning block are arranged on the same plane, the supporting block and the positioning block are rotatably connected with the mesh plate through hinges and can be arranged above the mesh plate in a turnover mode of 180 degrees.
4. The lifting positioning device for the integral assembly of the high-voltage inverted current transformer according to claim 3, characterized in that: each part of positioning block is of a plate type structure with a semicircular gap; or each part of positioning blocks are of two plate-type structures with quarter-circle gaps to form a semicircular cylinder opening, and the positioning blocks of the two parts of structures surround to form a circular station.
5. The lifting positioning device for the integral assembly of the high-voltage inverted current transformer according to claim 4, wherein: 1-15 stations correspond to products with different sizes; and supporting blocks are arranged between the adjacent positioning stations.
6. The lifting positioning device for the integral assembly of the high-voltage inverted current transformer according to claim 3, characterized in that: the device also comprises a disc which is sealed on the station hole.
7. The lifting positioning device for the integral assembly of the high-voltage inverted current transformer according to claim 1, characterized in that: the lifting mechanism comprises two folding lifting frames, each folding lifting frame is provided with a hydraulic cylinder, and the two folding lifting frames are supported at the bottom of the lifting platform.
8. The lifting positioning device for the integral assembly of the high-voltage inverted current transformer according to claim 7, characterized in that: the folding lifting frames adopt a double-X structure which is connected up and down, a first connecting cross beam is connected between the cross points of the X structures of the upper parts of the two folding lifting frames, and a second connecting cross beam is connected between the support legs of the X structures of the lower parts; the hydraulic cylinder is arranged on the second connecting beam, and the end part of a piston rod of the hydraulic cylinder is connected with the first connecting beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731871.6A CN113979352B (en) | 2020-07-27 | 2020-07-27 | Lifting positioning device for integral assembly of high-voltage inverted current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731871.6A CN113979352B (en) | 2020-07-27 | 2020-07-27 | Lifting positioning device for integral assembly of high-voltage inverted current transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113979352A true CN113979352A (en) | 2022-01-28 |
| CN113979352B CN113979352B (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010731871.6A Active CN113979352B (en) | 2020-07-27 | 2020-07-27 | Lifting positioning device for integral assembly of high-voltage inverted current transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180145A (en) * | 2011-04-18 | 2011-09-14 | 北京邮电大学 | Battery change system of portable electric car and change method thereof |
| CN204868248U (en) * | 2015-08-04 | 2015-12-16 | 重庆山青机械制造有限公司 | Reverse gear and shift cantilever at anchor clamps of machine with central end face milling |
| CN105632746A (en) * | 2014-10-29 | 2016-06-01 | 江苏思源赫兹互感器有限公司 | Assembling method and equipment for current transformer |
| US20180022591A1 (en) * | 2016-07-22 | 2018-01-25 | Zhejiang Dingli Machinery Co., Ltd. | Hydraulic steering shear-fork type aerial work platform |
| US20190127191A1 (en) * | 2017-10-31 | 2019-05-02 | Hyundai Motor Company | Lifting jack for automotive |
| CN212769645U (en) * | 2020-07-27 | 2021-03-23 | 特变电工康嘉(沈阳)互感器有限责任公司 | Lifting positioning device for integral assembly of high-voltage inverted current transformer |
-
2020
- 2020-07-27 CN CN202010731871.6A patent/CN113979352B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180145A (en) * | 2011-04-18 | 2011-09-14 | 北京邮电大学 | Battery change system of portable electric car and change method thereof |
| CN105632746A (en) * | 2014-10-29 | 2016-06-01 | 江苏思源赫兹互感器有限公司 | Assembling method and equipment for current transformer |
| CN204868248U (en) * | 2015-08-04 | 2015-12-16 | 重庆山青机械制造有限公司 | Reverse gear and shift cantilever at anchor clamps of machine with central end face milling |
| US20180022591A1 (en) * | 2016-07-22 | 2018-01-25 | Zhejiang Dingli Machinery Co., Ltd. | Hydraulic steering shear-fork type aerial work platform |
| US20190127191A1 (en) * | 2017-10-31 | 2019-05-02 | Hyundai Motor Company | Lifting jack for automotive |
| CN212769645U (en) * | 2020-07-27 | 2021-03-23 | 特变电工康嘉(沈阳)互感器有限责任公司 | Lifting positioning device for integral assembly of high-voltage inverted current transformer |
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| Publication number | Publication date |
|---|---|
| CN113979352B (en) | 2024-07-26 |
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