CN117963799A - Nuclear power station transformer isolator overhauls hoist and mount frame - Google Patents
Nuclear power station transformer isolator overhauls hoist and mount frame Download PDFInfo
- Publication number
- CN117963799A CN117963799A CN202311618416.5A CN202311618416A CN117963799A CN 117963799 A CN117963799 A CN 117963799A CN 202311618416 A CN202311618416 A CN 202311618416A CN 117963799 A CN117963799 A CN 117963799A
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- driving
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- transmission shaft
- bevel gear
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The invention relates to a nuclear power station transformer isolating switch overhauling and hoisting frame in the technical field of nuclear power station equipment overhauling, wherein a shaft body of a transmission shaft is provided with a bevel gear II used for driving the transmission shaft to rotate, and the rear side of the bevel gear II is connected with a bevel gear I used for driving the bevel gear II to rotate in a meshed manner; the first lifting device comprises a first lifting assembly connected with the transmission shaft and used for driving the protective basket to move up and down, and the second lifting device comprises a third lifting assembly connected with the transmission shaft and used for driving the protective basket to move up and down. The base is moved to the lower part of the transformer isolating switch of the nuclear power station, the driving motor is used for working, the transmission shaft can rotate under the meshing connection of the bevel gear I and the bevel gear II, the steel wire rope wound on the rope wheel I can be driven to drive the protective basket to move up and down along the column body of the support columns, and the protective basket is sleeved on the two support columns, so that the shaking of the protective basket at high altitude can be reduced.
Description
Technical Field
The invention relates to the technical field of nuclear power station equipment overhaul, in particular to a nuclear power station transformer isolating switch overhaul lifting frame.
Background
The power system in the nuclear power station greatly enables the external isolating switch equipment of the user, and the isolating switch is used as important primary equipment of the power system, plays a role in switching on and off of power and isolation, is relatively harsh in working environment, so that the fault rate is relatively high, and therefore maintenance personnel are usually required to be lifted to the height of the transformer isolating switch by using a lifting frame when the transformer isolating switch of the nuclear power station is overhauled, but the lifting frame drives the fixed rail to be lifted by adopting a single lifting mechanism when in use, and the fixed rail is easy to shake in high air.
For example, chinese patent application No. CN201920699647.6 is an outdoor disconnecting switch overhauling support, the fixed sleeve is all installed in both ends outside about the fixed plate, the slip ring is installed to the fixed sleeve rear end, slip ring internally mounted has the fixed column, unable adjustment base is installed to the fixed column lower extreme, standing groove, cavity and recess have been seted up respectively to unable adjustment base, fixed column upper end and inside upside, the hydraulic pump is installed to the inside upper end of standing groove, the push rod is installed to the hydraulic pump lower extreme, the gyro wheel is installed to the push rod lower extreme, cavity internally mounted has the motor, recess internally mounted has the pivot, the wire roller is installed in the pivot outside, the wire roller is arranged in inside the recess. It has the following technical defects:
when the motor is utilized to drive the fixed fence to carry out height adjustment according to the position of the transformer isolating switch of the nuclear power station and overhaul the transformer isolating switch of the outdoor nuclear power station, the fixed fence is driven to be lifted by adopting a single hoisting mechanism, so that the fixed fence is easy to shake in high altitude, and the transformer isolating switch of the nuclear power station is not convenient to overhaul.
Disclosure of Invention
In order to solve the problems that the fixed fence is easy to shake in the high air and is unfavorable for overhauling the transformer isolating switch of the nuclear power station due to the fact that a single hoisting mechanism is adopted to drive the fixed fence to lift when the motor is used for driving the fixed fence to adjust the height according to the position of the transformer isolating switch of the nuclear power station and overhauling the transformer isolating switch of the outdoor nuclear power station, the invention provides the following technical scheme:
The utility model provides a nuclear power plant transformer isolator overhauls hoist and mount frame, includes base and two support columns of fixed mounting on the base top, its characterized in that: the protective basket for the maintainer to stand is connected to the two posts of the support column in a sliding mode, a lifting device I for driving the protective basket to move up and down is connected to the top end of the support column in a movable mode, the lifting device I and the lifting device II are symmetrically distributed, and a driving device for driving the lifting device I and the lifting device II to move up and down simultaneously is arranged between the support columns.
The driving device comprises a transmission shaft inserted between two support columns and used for rotating, a bevel gear II used for driving the transmission shaft to rotate is arranged on a shaft body of the transmission shaft, and a bevel gear I used for driving the bevel gear II to rotate is connected to the rear side of the bevel gear II in a meshed manner;
the first lifting device comprises a first lifting component which is connected with the transmission shaft and used for driving the protective basket to move up and down, a second lifting component which is used for synchronously driving the protective basket to move up and down is arranged on the rear side of the first lifting component, and the first lifting component is connected with the second lifting component through a belt;
the lifting device II comprises a lifting component III which is connected with the transmission shaft and used for driving the protective basket to move up and down, a lifting component IV which is used for synchronously driving the protective basket to move up and down is arranged on the rear side of the lifting component III, and the lifting component III is connected with the lifting component IV through a belt.
Further, a motor for driving the first bevel gear to rotate is arranged at the rear end of the first bevel gear, and a supporting plate for supporting the motor is fixedly arranged at the bottom end of the motor.
Further, the first lifting component comprises a first belt pulley fixedly arranged on a shaft body of the transmission shaft and connected with the second lifting component through a belt, the left end of the transmission shaft is fixedly provided with a first rotating shaft, the shaft body of the first rotating shaft is provided with a first rope pulley for synchronously following the first rotating shaft to rotate, and the roller body of the first rotating shaft is wound with a first steel wire rope for driving the protective basket to move up and down.
Further, the hoisting assembly III comprises a belt pulley I which is fixedly arranged on a shaft body of the transmission shaft and used for rotating, the belt pulley II and the belt pulley I are symmetrically arranged, a rotating shaft II used for rotating is fixedly arranged at the right end of the transmission shaft, a rope wheel II used for synchronously following the rotating shaft II to rotate is arranged on the shaft body of the rotating shaft II, and a steel wire rope II used for driving the protective basket to move up and down is wound on a roller body of the rotating shaft II.
Further, the bottom of protecting the basket is offered and is convenient for protect the basket and carry out the logical groove of sliding from top to bottom, and lead to the groove and be the symmetric distribution in the bottom of protecting the basket, the top fixed mounting of protecting the basket has the fixed block that is used for carrying out fixed connection with wire rope two, and the fixed block has four, and four fixed blocks are linear array and distribute on the top of protecting the basket, the front side of protecting the basket is provided with the fence door that is used for opening protecting the basket.
Further, the bottom of base is provided with the universal wheel that is used for driving the base to remove, and the universal wheel has four, and four universal wheels are linear array and distribute in the bottom of base, two the bottom fixed mounting of support column has the support frame that is used for supporting two support columns.
Compared with the prior art, the invention has the beneficial effects that:
Through setting up drive arrangement, hoisting accessory one and hoisting accessory two, when needs overhauld nuclear power station transformer isolator, alright remove the below of nuclear power station transformer isolator with the base, four universal wheels are locked to the rethread brake block, rethread driving motor carries out work, alright be under the meshing connection of bevel gear one and bevel gear two, make the transmission shaft rotate, alright drive simultaneously and drive the wire rope who winds on rope sheave one and drive the protection basket and carry out the oscilaltion along the cylinder of support column, in addition the protection basket suit is on two support columns, alright reduce the protection basket and take place to rock at the high altitude.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of a guard rail of the present invention;
FIG. 3 is a diagram showing the cooperation of a first lifting device and a second lifting device according to the present invention;
FIG. 4 is a schematic diagram of a guard rail according to the present invention.
In the drawings, the list of part names represented by the reference numerals is as follows:
100-base, 001-universal wheel and 002-support frame;
200-supporting columns;
300-driving device, 310-motor, 320-first bevel gear, 330-second bevel gear, 340-transmission shaft and 350-supporting plate;
400-hoisting device I, 410-hoisting component I, 411-rope pulley I, 412-rotating shaft I, 413-wire rope I, 414-belt pulley I, 420-hoisting group price II;
500-a second hoisting device, 510-a third hoisting component, 511-a second rope pulley, 512-a second rotating shaft, 513-a second steel wire rope, 514-a second belt pulley and 520-a fourth hoisting component;
600-protective basket, 601-fixed block, 602-through groove, 603-fence gate.
Description of the embodiments
Preferred embodiments for carrying out the present invention are described in detail below, and a clear and complete description thereof is provided with reference to the accompanying drawings.
Referring to fig. 1-4, the invention provides a nuclear power station transformer isolating switch overhauling and hoisting frame.
The power system in the nuclear power station greatly enables the external disconnecting switch equipment of the user, and the disconnecting switch is used as an important primary equipment of the power system, plays roles of on-off and isolation of power, has a relatively severe working environment, and therefore has relatively high failure rate, so that when the isolating switch of the transformer of the nuclear power station is overhauled, maintenance personnel are usually required to be lifted to the height of the isolating switch of the transformer by using a lifting frame, but when the lifting frame is used, a single lifting mechanism is adopted to drive a fixed rail to lift, the fixed rail is easy to shake in high altitude, and thus the fixed rail is required to be improved, wherein the electric power system comprises a base 100 and two supporting columns 200 fixedly arranged on the top end of the base 100, protective baskets 600 for the maintenance personnel to stand are connected on the columns of the two supporting columns 200 in a sliding manner, the top ends of the support columns 200 are movably connected with a lifting device I400 for driving the protective basket 600 to move up and down, the lifting device I400 and the lifting device II 500 are symmetrically distributed, and a driving device 300 for driving the lifting device I400 and the lifting device II 500 to move up and down simultaneously is arranged between the two support columns 200, so that when the transformer isolating switches of nuclear power stations with different heights are required to be overhauled, the driving device 300 can drive the lifting device I400 and the lifting device II 500 to move the protective basket 600 up and down, and the protective basket 600 can move up and down on the columns of the two support columns 200, thereby effectively solving the shaking phenomenon of the protective basket 600 at a high place;
The bottom end of the base 100 is provided with four universal wheels 001 for driving the base 100 to move, the four universal wheels 001 are distributed at the bottom end of the base 100 in a linear array, and the four universal wheels 001 are provided with brake pads, so that when different nuclear power station transformer isolating switches are required to be overhauled, the base 100 can be controlled to be adjusted through the universal wheels 001, the base 100 can be moved to the position below the nuclear power station transformer isolating switches, and the four universal wheels 001 are locked through the brake pads; the bottoms of the two support columns 200 are fixedly provided with a support frame 002 for supporting the two support columns 200;
The driving device 300 comprises a transmission shaft 340 inserted between two support columns 200 for rotation, and the transmission shaft 340 penetrates through the columns of the support columns 200 through bearings; the shaft body of the transmission shaft 340 is provided with a bevel gear II 330 for driving the transmission shaft 340 to rotate, the bevel gear II 330 is installed on the shaft body of the transmission shaft 340 through a key connection, the rear side of the bevel gear II 330 is connected with a bevel gear I320 for driving the bevel gear II 330 to rotate in a meshed manner, the rear end of the bevel gear I320 is provided with a motor 310 for driving the bevel gear I320 to rotate, the bottom end of the motor 310 is fixedly provided with a supporting plate 350 for supporting the motor 310, and the left end and the right end of the supporting plate 350 are welded between the two supporting columns 200 so as to facilitate the motor 310 to be installed on the plate body of the supporting plate 350 through bolts, so that when the motor 310 works, the transmission shaft 340 can rotate under the meshed connection of the bevel gear I320 and the bevel gear II 330, and the lifting device II 500 can be synchronously driven to slide up and down along the columns of the two supporting columns 200, and therefore the shaking of the protective basket 600 can be reduced in a limited manner;
The first lifting device 400 comprises a first lifting component 410 connected with the transmission shaft 340 and used for driving the protective basket 600 to move up and down, a second lifting component 420 used for synchronously driving the protective basket 600 to move up and down is arranged at the rear side of the first lifting component 410, the first lifting component 410 is connected with the second lifting component 420 through a belt, and the second lifting component 420 has the same structure as the first lifting component 410;
The first lifting component 410 comprises a first belt pulley 414 fixedly arranged on a shaft body of the transmission shaft 340 and used for rotating, the first belt pulley 414 is connected with the second lifting component 420 through a belt, so that when the transmission shaft 340 rotates, the first belt pulley 414 can synchronously drive the protective basket 600 to slide up and down along the columns of the two support columns 200 when being connected with the second lifting component 420, a first rotating shaft 412 used for rotating is fixedly arranged at the left end of the transmission shaft 340, a first rope pulley 411 used for synchronously rotating along with the first rotating shaft 412 is arranged on the shaft body of the first rotating shaft 412, a first steel wire rope 413 used for driving the protective basket 600 to move up and down is wound on the roller body of the first rotating shaft 412, and the bottom end of the first steel wire rope 413 is connected with the protective basket 600, so that when the transmission shaft 340 rotates, the first steel wire rope 413 wound on the first rope pulley 411 can be driven to drive the protective basket 600 to move up and down along the columns of the support columns 200, and maintenance personnel can conveniently overhaul the isolating switch of the transformer of the nuclear power station;
The second lifting device 500 comprises a third lifting assembly 510 connected with the transmission shaft 340 and used for driving the protective basket 600 to move up and down, a fourth lifting assembly 520 used for synchronously driving the protective basket 600 to move up and down is arranged at the rear side of the third lifting assembly 510, the third lifting assembly 510 is connected with the fourth lifting assembly 520 through a belt, and the third lifting assembly 510 has the same structure as the fourth lifting assembly 520;
the hoisting assembly III 510 comprises a belt pulley I414 fixedly arranged on a shaft body of the transmission shaft 340 and used for rotating, the belt pulley II 514 and the belt pulley I414 are symmetrically arranged, a rotating shaft II 512 used for rotating is fixedly arranged at the right end of the transmission shaft 340, a rope wheel II 511 used for synchronously following the rotating shaft II 512 to rotate is arranged on the shaft body of the rotating shaft II 512, and a steel wire rope II 513 used for driving the protective basket 600 to move up and down is wound on the roller body of the rotating shaft II 512, so that when the transmission shaft 340 rotates, the steel wire rope I413 wound on the rope wheel II 411 and the steel wire rope II 513 wound on the rope wheel II 511 can be simultaneously driven to move up and down along a column body of the support column 200 along the protective basket 600, thereby being convenient for maintenance personnel to overhaul a transformer isolating switch of a nuclear power station and reducing the phenomenon that the protective basket 600 shakes in high air;
The bottom of protection basket 600 has been offered and has been convenient for protect basket 600 and go on gliding logical groove 602 from top to bottom on the cylinder of two support columns 200, and lead to the groove 602 and be the symmetric distribution in the bottom of protection basket 600, and lead to groove 602 and fixed lantern ring and two support columns 200 sliding connection, so that protect basket 600 slide from top to bottom on the cylinder of two support columns 200, the top fixed mounting of protection basket 600 has the fixed block 601 that is used for carrying out fixed connection with wire rope two 513, and the fixed block 601 has four, four fixed blocks 601 are linear array and distribute on the top of protection basket 600, the front side of protection basket 600 is provided with the fence door 603 that is used for opening to protect basket 600, thereby when need overhauling nuclear power station transformer isolator, alright move the below of nuclear power station transformer isolator with base 100, rethread brake block locks four universal wheels 001, rethread driving motor 310 work, alright under the meshing connection of bevel gear two 330, make transmission shaft 340 rotate, alright drive wire rope 413 that drives on rope pulley 411 and drive protection basket 600 along the cylinder 200 that moves down, moreover, high protection basket 600 takes place on the high-altitude in addition, the high protection basket 600 is rocked in the support column 600.
Based on the above description and the drawings, one skilled in the art will be able to understand and practice the present invention. Furthermore, any non-inventive modifications to the present invention that would not be made by a person skilled in the art without the inventive effort would still fall within the scope of the present invention.
Claims (6)
1. The utility model provides a nuclear power plant transformer isolator overhauls hoist and mount frame, includes base (100) and two support column (200) of fixed mounting on base (100) top, its characterized in that: the two support columns (200) are slidably connected with protective baskets (600) for a maintainer to stand, the top ends of the support columns (200) are movably connected with lifting devices I (400) for driving the protective baskets (600) to move up and down, the lifting devices I (400) and the lifting devices II (500) are symmetrically distributed, and driving devices (300) for driving the lifting devices I (400) and the lifting devices II (500) to move up and down simultaneously are arranged between the two support columns (200);
The driving device (300) comprises a transmission shaft (340) which is inserted between two support columns (200) and used for rotating, a bevel gear II (330) used for driving the transmission shaft (340) to rotate is arranged on a shaft body of the transmission shaft (340), and a bevel gear I (320) used for driving the bevel gear II (330) to rotate is connected to the rear side of the bevel gear II (330) in a meshed manner;
The first lifting device (400) comprises a first lifting component (410) which is connected with a transmission shaft (340) and used for driving the protective basket (600) to move up and down, a second lifting component (420) which is used for synchronously driving the protective basket (600) to move up and down is arranged on the rear side of the first lifting component (410), and the first lifting component (410) is connected with the second lifting component (420) through a belt;
The lifting device II (500) comprises a lifting component III (510) which is connected with the transmission shaft (340) and used for driving the protective basket (600) to move up and down, a lifting component IV (520) which is used for synchronously driving the protective basket (600) to move up and down is arranged on the rear side of the lifting component III (510), and the lifting component III (510) is connected with the lifting component IV (520) through a belt.
2. The nuclear power plant transformer disconnecting switch overhaul lifting frame according to claim 1, wherein: the rear end of the first bevel gear (320) is provided with a motor (310) for driving the first bevel gear (320) to rotate, and a supporting plate (350) for supporting the motor (310) is fixedly arranged at the bottom end of the motor (310).
3. The nuclear power plant transformer disconnecting switch overhaul lifting frame according to claim 2, characterized in that: the first lifting assembly (410) comprises a first belt pulley (414) fixedly arranged on a shaft body of the transmission shaft (340) and used for rotating, the first belt pulley (414) is connected with the second lifting assembly (420) through a belt, a first rotating shaft (412) used for rotating is fixedly arranged at the left end of the transmission shaft (340), a first rope pulley (411) used for synchronously following the first rotating shaft (412) to rotate is arranged on the shaft body of the first rotating shaft (412), and a first steel wire rope (413) used for driving the protective basket (600) to move up and down is wound on a roller body of the first rotating shaft (412).
4. A nuclear power plant transformer isolator overhauling lifting frame as recited in claim 3, wherein: the hoisting assembly III (510) comprises a first belt pulley (414) fixedly arranged on a shaft body of the transmission shaft (340) and symmetrically arranged with the first belt pulley (414), a second rotating shaft (512) for rotating is fixedly arranged at the right end of the transmission shaft (340), a second rope pulley (511) for synchronously following the second rotating shaft (512) to rotate is arranged on the shaft body of the second rotating shaft (512), and a second steel wire rope (513) for driving the protective basket (600) to move up and down is wound on a roller body of the second rotating shaft (512).
5. The nuclear power plant transformer disconnecting switch overhaul lifting frame according to claim 4, wherein: the utility model discloses a guard basket, including guard basket (600), fixed block (601) that is used for carrying out fixed connection with wire rope two (513) are offered to guard basket (600)'s bottom, and guard basket (600) are equipped with logical groove (602) that is convenient for guard basket (600) to slide from top to bottom, and logical groove (602) are the symmetric distribution in guard basket (600) bottom, guard basket (600)'s top fixed block (601) have four, and four fixed blocks (601) are linear array and distribute on guard basket (600)'s top, guard basket (600) front side is provided with and is used for carrying out fence door (603) that open to guard basket (600).
6. The nuclear power plant transformer disconnecting switch overhaul lifting frame according to claim 1, wherein: the bottom of base (100) is provided with universal wheel (001) that are used for driving base (100) to remove, and universal wheel (001) have four, and four universal wheel (001) are linear array and distribute in the bottom of base (100), two the bottom fixed mounting of support column (200) has support frame (002) that are used for supporting two support columns (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311618416.5A CN117963799A (en) | 2023-11-30 | 2023-11-30 | Nuclear power station transformer isolator overhauls hoist and mount frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311618416.5A CN117963799A (en) | 2023-11-30 | 2023-11-30 | Nuclear power station transformer isolator overhauls hoist and mount frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117963799A true CN117963799A (en) | 2024-05-03 |
Family
ID=90854326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311618416.5A Pending CN117963799A (en) | 2023-11-30 | 2023-11-30 | Nuclear power station transformer isolator overhauls hoist and mount frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117963799A (en) |
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2023
- 2023-11-30 CN CN202311618416.5A patent/CN117963799A/en active Pending
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