CN110034507B - Auxiliary dismounting platform suitable for current transformer in electric switch cabinet - Google Patents
Auxiliary dismounting platform suitable for current transformer in electric switch cabinet Download PDFInfo
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- CN110034507B CN110034507B CN201910470733.4A CN201910470733A CN110034507B CN 110034507 B CN110034507 B CN 110034507B CN 201910470733 A CN201910470733 A CN 201910470733A CN 110034507 B CN110034507 B CN 110034507B
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- mechanical arm
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- sliding block
- switch cabinet
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
An auxiliary dismounting platform suitable for a current transformer in an electric switch cabinet comprises a travelling mechanism and a lifting mechanism; the travelling mechanism is a crawler chassis assembly, the lifting mechanism comprises a three-axis linkage mechanical arm, the three-axis linkage mechanical arm comprises an X-axis mechanical arm, a Y-axis mechanical arm and a Z-axis mechanical arm, wherein the X-axis mechanical arm, the Y-axis mechanical arm and the Z-axis mechanical arm all comprise ball screw mechanisms, the output ends of the ball screw mechanisms are connected with sliding blocks, and the X-axis mechanical arm and the Y-axis mechanical arm and the Z-axis mechanical arm are all connected through the sliding blocks; the sliding block of the Z-axis mechanical arm is transversely provided with a supporting frame, a second Z-axis mechanical arm is installed on the supporting frame, and an electromagnetic supporting platform is arranged on an output sliding block of the second Z-axis mechanical arm. The auxiliary dismounting platform for the current transformer in the electric switch cabinet can improve working efficiency.
Description
Technical Field
The invention relates to an electric switch cabinet current transformer dismounting tool, in particular to an auxiliary dismounting platform suitable for a current transformer in an electric switch cabinet.
Background
The switch cabinet is high-voltage distribution equipment widely applied to various power transformation stations of a power system, power plants and industrial and mining enterprises. CT (current transformer) is one of the important components of a switchgear.
According to the distance between the rear cabinet door and the wall body of the standard switch cabinet, which is not smaller than 0.8 m, the distance between the rear cabinet door and the wall body of the switch cabinet in the use site of the switch cabinet for saving space is controlled within 0.8-1.0 m. The weight of a single CT was about 30 kg. When replacing CT, because the space is narrow, CT weight is heavy, and CT surface is oily, so the change degree of difficulty is big.
The existing replacement method of the current transformer in the electrical switch cabinet comprises the following steps: 1) And 1 person drills into the electric cabinet and lays face up in the electric cabinet, the current transformer is lifted by two hands, an instruction is given to the 2 person who pulls the rope in addition, the current transformer is slowly lowered, and the mounting hole of the current transformer is aligned with the mounting partition plate of the electric cabinet. 2) And (3) screwing the screws by using the tools outside the electrical cabinet by 1 person, and finally installing the current transformer. 3) In this way, another 2 current transformers are mounted in place. 4) And mounting the external lead of the current transformer in place.
The following disadvantages exist in the above manner: 1) The space is narrow, the number of people to be matched is increased, the labor intensity is high, and the efficiency is low; 2) Because CT is oily and heavy, easy to slide, and has great threat to the safety of maintenance personnel in maintenance construction.
Disclosure of Invention
The invention aims to solve the technical problem of providing an auxiliary dismounting platform suitable for a current transformer in an electric switch cabinet, which can mechanically lift the current transformer in place and is convenient and quick to dismount.
In order to solve the technical problems, the invention adopts the following technical scheme:
An auxiliary dismounting platform suitable for a current transformer in an electric switch cabinet comprises a travelling mechanism and a lifting mechanism; the travelling mechanism is a crawler chassis assembly, the lifting mechanism comprises a three-axis linkage mechanical arm, the three-axis linkage mechanical arm comprises an X-axis mechanical arm, a Y-axis mechanical arm and a Z-axis mechanical arm, wherein the X-axis mechanical arm, the Y-axis mechanical arm and the Z-axis mechanical arm all comprise ball screw mechanisms, the output ends of the ball screw mechanisms are connected with sliding blocks, and the X-axis mechanical arm and the Y-axis mechanical arm and the Z-axis mechanical arm are all connected through the sliding blocks; the sliding block of the Z-axis mechanical arm is transversely provided with a supporting frame, a second Z-axis mechanical arm is installed on the supporting frame, and an electromagnetic supporting platform is arranged on an output sliding block of the second Z-axis mechanical arm.
The length of the supporting frame is 4mm-7mm greater than the width of the rear end bracket of the electrical switch cabinet.
The ball screw mechanism comprises a stepping motor, an output shaft of the stepping motor is connected with a ball screw through a coupler, a ball nut is arranged on the ball screw, a nut seat of the ball nut is fixed on a corresponding sliding block, and the sliding block is arranged on a corresponding sliding guide rail.
The invention relates to an auxiliary dismounting platform for a current transformer in an electric switch cabinet, which adopts a crawler-type chassis assembly as a travelling mechanism, wherein the crawler-type chassis assembly is basically the same as a traditional crawler-type chassis, and the crawler-type chassis is designed to be 800mm long, 400mm wide and 220mm high, and mainly utilizes the advantages of transportation and flexible steering. Through setting up by the motion module that X, Y, Z, Z2 four positions that triaxial linkage arm, second Z axle arm constitute, can carry out the free adjustment in the certain space scope, the effective stroke in every position in X, Y, Z here all is 300mm, and the effective stroke in Z1 position is 700mm. In the disassembly and assembly process, the crawler chassis is used for transporting the CT, the three-axis linkage mechanical arm is used for adjusting the azimuth of the CT, and the second Z-axis mechanical arm bypasses the support at the rear end of the electrical switch cabinet, so that the current transformer is disassembled and assembled in place. The whole process adopts mechanical lifting or putting down, so that the labor intensity is low, the efficiency is high, the monitoring of one person can be met, the safety is improved, and the labor cost is reduced.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
Fig. 1 is a schematic view of the structure of an electrical switchgear (to the side panels).
Fig. 2 is a schematic view of the structure of the electrical switchgear cabinet (to the side panels and the rear cabinet door).
Fig. 3 shows a schematic view of the structure of the electrical switchgear cabinet (to the side panels and the rear cabinet door).
Fig. 4 is a schematic structural diagram of a three-axis linkage mechanical arm in the present invention.
Fig. 5 is a schematic diagram of a structure for lifting a current transformer according to the present invention.
Fig. 6 is a schematic diagram of a structure for lifting a current transformer according to the present invention.
Fig. 7 is a plan view of the ball screw mechanism according to the present invention.
In the figure: the device comprises a travelling mechanism 1, a lifting mechanism 2, a three-axis linkage mechanical arm 3, an X-axis mechanical arm 4, a Y-axis mechanical arm 5, a Z-axis mechanical arm 6, a ball screw mechanism 7, a sliding block 8, a supporting frame 9, a second Z-axis mechanical arm 10, an output sliding block 11, an electromagnetic tray 12, an electrical switch cabinet 13, a supporting frame 14, a current transformer 15, a stepping motor 16, a ball screw 17, a ball nut 18 and a sliding guide rail 19.
Detailed Description
As shown in fig. 4-5, an auxiliary dismounting platform suitable for a current transformer in an electric switch cabinet comprises a travelling mechanism 1 and a lifting mechanism 2. The travelling mechanism 1 is a crawler-type chassis assembly, and the crawler-type chassis assembly is selected from the following models: KATR-5-PRO by the Rogowski robot company can be rotated and walked by arranging the walking mechanism 1, and is very stable. In addition, the crawler chassis can be directly replaced by a mobile platform with a braking function.
The lifting mechanism 2 comprises a three-axis linkage mechanical arm 3, the three-axis linkage mechanical arm 3 comprises an X-axis mechanical arm 4, a Y-axis mechanical arm 5 and a Z-axis mechanical arm 6, wherein the X-axis mechanical arm 4, the Y-axis mechanical arm 5 and the Z-axis mechanical arm 6 comprise ball screw mechanisms 7 arranged in a shell, the output ends of the ball screw mechanisms 7 are connected with sliding blocks 8, and the X-axis mechanical arm 4 and the Y-axis mechanical arm 5 and the Z-axis mechanical arm 6 are connected through the sliding blocks 8.
As shown in fig. 7, the X-axis robot arm 4 is described as an example: the X-axis mechanical arm 4 here includes a housing, one end of which is provided with a stepping motor 16, an output shaft of the stepping motor 16 is connected with a ball screw 17 through a coupling, the ball screw 17 is disposed in the housing, and the other end is mounted on the housing through a bearing. The ball screw 17 is provided with a ball nut 18, a nut seat of the ball nut 18 is fixed on a corresponding slide block 8, and the slide block 8 is arranged on a corresponding slide rail 19. The slide block 8 is connected with the shell of the Y-axis mechanical arm 5 through bolts. When the Y-axis mechanical arm 5 works, the shell of the Y-axis mechanical arm 5 is connected with the sliding block 8 of the X-axis mechanical arm 4 through the bolts, the stepping motor 16 on the X-axis mechanical arm 4 can drive the ball screw 17 to rotate, the ball screw 17 and the ball nut 18 are matched for transmission, and accordingly the sliding block 8 is driven to move forwards and backwards, and the Y-axis mechanical arm 5 is further enabled to move forwards and backwards.
The X-axis mechanical arm 4 can drive the mechanism on the corresponding sliding block 8 to move back and forth, the Y-axis mechanical arm 5 can drive the mechanism on the corresponding sliding block 8 to move left and right, and the Z-axis mechanical arm 6 can drive the mechanism on the corresponding sliding block 8 to move up and down. When the synchronous motor is in operation, the corresponding synchronous motor is controlled by the controller to act, so that the mechanism can be driven to move arbitrarily in a certain range of space.
As shown in fig. 2-3, after the rear cabinet door of the electrical switch cabinet is opened, a bracket 14 for fixing a current transformer 15 is also provided in the electrical switch cabinet. The movement of the three-axis linkage mechanical arm 3 is limited due to the structures of the support 14 and the box body, so that the tail end of the three-axis linkage mechanical arm cannot reach the designated position. In order to solve the problem, a support frame 9 which transversely extends is fixed on a sliding block 8 at the output end of the Z-axis mechanical arm 6, and the length of the support frame 9 is 4mm-7mm greater than the width of a support 14 at the rear end of the electrical switch cabinet 13. The other end of the supporting frame 9 is connected with a shell of a second Z-axis mechanical arm 10 through a fixing plate, and the second Z-axis mechanical arm 10 and the Z-axis mechanical arm 6 have the same structure. An electromagnetic supporting platform 12 is arranged on an output sliding block 11 of the second Z-axis mechanical arm 10, the electromagnetic supporting platform 12 is electrified and is magnetic, and when a current transformer 15 is placed on the electromagnetic supporting platform 12, the electromagnetic supporting platform can be electrified to perform magnetic adsorption, so that the stability in the feeding process is ensured.
Working principle and process:
1) The device is driven to the rear cabinet door of the electrical switch cabinet 13. The traveling mechanism 1 is controlled to turn to a certain angle in situ, so that the electromagnetic supporting platform 12 on the lifting mechanism 2 is aligned below the CT as much as possible. After the crawler chassis is locked, the three-axis linkage mechanical arm 3 is adjusted to enable the electromagnetic tray 12 to be in close contact with the lower end of the CT, then the electromagnet is electrified, and the CT wire and the screw are removed after the electromagnetic tray 12 is fixed with the CT through magnetic force.
2) And the lifting mechanism 2 is adjusted to take the CT out of the switch cabinet, the crawler chassis retreats, the electromagnet is powered off, and the old CT is taken down from the platform.
3) After moving the new CT to the electromagnetic tray 12, the electromagnet is energized. The crawler chassis advances, the lifting mechanism 2 is adjusted to send CT into the switch cabinet and align with the mounting holes, screws are mounted, and wires are recovered. The electromagnet is powered off, and the lifting mechanism 2 is adjusted to withdraw from the electrical switch cabinet 13. And the auxiliary platform is driven off the site to finish working.
Claims (1)
1. Auxiliary disassembly and assembly platform suitable for current transformer in electric switch cabinet, its characterized in that: comprises a travelling mechanism (1) and a lifting mechanism (2); the travelling mechanism (1) is a crawler chassis assembly, the lifting mechanism (2) comprises a three-axis linkage mechanical arm (3), the three-axis linkage mechanical arm (3) comprises an X-axis mechanical arm (4), a Y-axis mechanical arm (5) and a Z-axis mechanical arm (6), and the X-axis mechanical arm (4), the Y-axis mechanical arm (5) and the Z-axis mechanical arm (6) comprise
The output end of the ball screw mechanism (7) is connected with a sliding block (8), and the X-axis mechanical arm (4) and the Y-axis mechanical arm (5) and the Z-axis mechanical arm (6) are connected through the sliding block (8); a support frame (9) is transversely arranged on a sliding block (8) of the Z-axis mechanical arm (6), a second Z-axis mechanical arm (10) is arranged on the support frame (9), and an electromagnetic support platform (12) is arranged on an output sliding block (11) of the second Z-axis mechanical arm (10);
the length of the supporting frame (9) is 4mm-7mm greater than the width of the rear end bracket (14) of the electrical switch cabinet (13);
the ball screw mechanism (7) comprises a stepping motor (16), an output shaft of the stepping motor (16) is connected with a ball screw (17) through a coupler, a ball nut (18) is mounted on the ball screw (17), a nut seat of the ball nut (18) is fixed on a corresponding sliding block (8), and the sliding block (8) is arranged on a corresponding sliding guide rail (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470733.4A CN110034507B (en) | 2019-05-31 | 2019-05-31 | Auxiliary dismounting platform suitable for current transformer in electric switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470733.4A CN110034507B (en) | 2019-05-31 | 2019-05-31 | Auxiliary dismounting platform suitable for current transformer in electric switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN110034507A CN110034507A (en) | 2019-07-19 |
| CN110034507B true CN110034507B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910470733.4A Active CN110034507B (en) | 2019-05-31 | 2019-05-31 | Auxiliary dismounting platform suitable for current transformer in electric switch cabinet |
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| CN (1) | CN110034507B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082327B (en) * | 2019-12-13 | 2022-04-15 | 北京博大光通物联科技股份有限公司 | Power distribution cabinet |
| CN112531537B (en) * | 2020-11-13 | 2022-09-02 | 深圳供电局有限公司 | Handcart circuit breaker three-dimensional overhaul platform |
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| JPH06253422A (en) * | 1993-03-03 | 1994-09-09 | Chiyuuritsu Denki Kk | High-voltage receiving and distributing device |
| CN202405663U (en) * | 2012-01-16 | 2012-08-29 | 浙江容大电力设备制造有限公司 | Multifunctional lifting and positioning device for mutual inductor |
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| CN105598956A (en) * | 2016-03-17 | 2016-05-25 | 苏州特瑞特机器人有限公司 | Three-shaft rectangular coordinate robot |
| CN205522352U (en) * | 2016-04-07 | 2016-08-31 | 广东拓斯达科技股份有限公司 | Vertical pay -off machinery hand device |
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| CN206172902U (en) * | 2016-11-25 | 2017-05-17 | 郭兴安 | Current transformer of transformer substation dismouting auxiliary trolley |
| CN106826781A (en) * | 2017-03-16 | 2017-06-13 | 北京星和众工设备技术股份有限公司 | Coordinates robot |
| CN107290704A (en) * | 2017-07-17 | 2017-10-24 | 三峡大学 | Current mutual inductor field detecting auxiliary connection robot |
| CN207398684U (en) * | 2017-07-17 | 2018-05-22 | 顺特电气设备有限公司 | A kind of tooling trolley for current transformer installation in KYN middle-placed switch cabinets |
| CN209730614U (en) * | 2019-05-31 | 2019-12-03 | 国网湖北省电力有限公司宜昌供电公司 | A kind of auxiliary dismounting platform of the current transformer suitable for cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080087128A1 (en) * | 2006-10-12 | 2008-04-17 | Garner Timothy D | Cross-wedge motion platform |
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2019
- 2019-05-31 CN CN201910470733.4A patent/CN110034507B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06253422A (en) * | 1993-03-03 | 1994-09-09 | Chiyuuritsu Denki Kk | High-voltage receiving and distributing device |
| CN202405663U (en) * | 2012-01-16 | 2012-08-29 | 浙江容大电力设备制造有限公司 | Multifunctional lifting and positioning device for mutual inductor |
| CN204913890U (en) * | 2015-08-03 | 2015-12-30 | 东莞市恩玛自动化机械有限公司 | A transmission structure for manipulator |
| CN105598956A (en) * | 2016-03-17 | 2016-05-25 | 苏州特瑞特机器人有限公司 | Three-shaft rectangular coordinate robot |
| CN205522352U (en) * | 2016-04-07 | 2016-08-31 | 广东拓斯达科技股份有限公司 | Vertical pay -off machinery hand device |
| CN206066452U (en) * | 2016-08-12 | 2017-04-05 | 杭州娃哈哈精密机械有限公司 | A kind of telescoping mechanism of mechanical hand |
| CN206172902U (en) * | 2016-11-25 | 2017-05-17 | 郭兴安 | Current transformer of transformer substation dismouting auxiliary trolley |
| CN106826781A (en) * | 2017-03-16 | 2017-06-13 | 北京星和众工设备技术股份有限公司 | Coordinates robot |
| CN107290704A (en) * | 2017-07-17 | 2017-10-24 | 三峡大学 | Current mutual inductor field detecting auxiliary connection robot |
| CN207398684U (en) * | 2017-07-17 | 2018-05-22 | 顺特电气设备有限公司 | A kind of tooling trolley for current transformer installation in KYN middle-placed switch cabinets |
| CN209730614U (en) * | 2019-05-31 | 2019-12-03 | 国网湖北省电力有限公司宜昌供电公司 | A kind of auxiliary dismounting platform of the current transformer suitable for cabinet |
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| CN110034507A (en) | 2019-07-19 |
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