CN210628909U - A device for replacing current transformers in high-voltage switch cabinets - Google Patents
A device for replacing current transformers in high-voltage switch cabinets Download PDFInfo
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- CN210628909U CN210628909U CN201922021219.0U CN201922021219U CN210628909U CN 210628909 U CN210628909 U CN 210628909U CN 201922021219 U CN201922021219 U CN 201922021219U CN 210628909 U CN210628909 U CN 210628909U
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Abstract
本实用新型公开了一种高压开关柜内电流互感器更换装置，包括支架机构，支架机构上设置有动力机构，动力机构上连接有伸缩机构，伸缩机构上连接有用于承载电流互感器的平台调整机构；所述动力机构包括设置在支架机构上的液压千斤顶以及用于控制液压千斤顶升降的液压升降脚踏板，所述伸缩机构为设置在液压千斤顶上的伸缩支架，所述伸缩支架通过液压千斤顶带动进行伸缩升降，所述平台调整机构包括设置在伸缩支架上的平台导轨板以及与平台导轨板配合的作业平台。本实用新型提升了安装的工作效率，提高了工作安全系数，缩短了安装的工作时间。
The utility model discloses a current transformer replacement device in a high-voltage switch cabinet, which comprises a bracket mechanism, a power mechanism is arranged on the bracket mechanism, a telescopic mechanism is connected to the power mechanism, and a platform adjustment for carrying a current transformer is connected to the telescopic mechanism mechanism; the power mechanism includes a hydraulic jack provided on the support mechanism and a hydraulic lifting foot pedal used to control the lifting of the hydraulic jack, and the telescopic mechanism is a telescopic support set on the hydraulic jack, and the telescopic support passes through the hydraulic jack. The platform adjustment mechanism includes a platform guide rail plate arranged on the telescopic bracket and a working platform matched with the platform guide rail plate. The utility model improves the work efficiency of the installation, improves the work safety factor, and shortens the work time of the installation.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, concretely relates to device is changed to current transformer in high tension switchgear can be used to the change of the 10 kilovolts of high tension switchgear current transformer of transformer substation.
Background
In recent years, with the increasing of power loads and the increasing of power supply quality requirements, the capacity transformation ratio of a current transformer in a 10kV switch cabinet can not meet the requirement of stable operation of a power grid, and the current transformer needs to be replaced, so that great working pressure is brought to maintainers. In order to solve the problems that when a current transformer in a 10kV switch cabinet is replaced, due to the fact that manufacturers are different, sizes are different, the current transformer is heavy in weight, difficulty in installation in a limited space is high, time consumption for installation is long, a large amount of manpower is needed in actual operation, at least 4 persons are needed for replacing a group of current transformers, 5 hours can be completed, and a pure manpower method that safety requirements of an operation site cannot be met by hand lifting, shoulder resistance, lifting ropes and the like is also available, potential safety hazards that personnel and equipment are injured can be caused when current transformers are replaced by smashing, and working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an improve and have a great deal of risk factor in the current transformer change process, stop that the on-the-spot tradition that does not satisfy the safety requirement of operation is hand-lifted, is shouldered and is resisted, pure manpower methods such as lifting rope provide a device is changed to current transformer in the high tension switchgear, have promoted the work efficiency of installation, have improved operating safety factor, have shortened the operating time of installation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a current transformer replacing device in a high-voltage switch cabinet comprises a support mechanism, wherein a power mechanism is arranged on the support mechanism, a telescopic mechanism is connected to the power mechanism, and a platform adjusting mechanism used for bearing the current transformer is connected to the telescopic mechanism;
the power mechanism comprises a hydraulic jack arranged on the support mechanism and a hydraulic lifting pedal used for controlling the hydraulic jack to lift, the telescopic mechanism is a telescopic support arranged on the hydraulic jack, the telescopic support is driven by the hydraulic jack to stretch and lift, and the platform adjusting mechanism comprises a platform guide rail plate arranged on the telescopic support and an operation platform matched with the platform guide rail plate.
Further, the support mechanism comprises a support body, four adjustable support legs are symmetrically arranged at the bottom of the support body, support leg wheels are arranged at the bottoms of the adjustable support legs, a support platform is fixed between the four adjustable support legs, and the hydraulic jack and the hydraulic lifting pedal plate are arranged on the support platform.
Furthermore, the landing leg wheel is a universal wheel, and a locking mechanism matched with the universal wheel is arranged on the universal wheel.
Further, a hydraulic air release valve is connected to the hydraulic jack.
Further, the bottom of the operation platform is provided with platform rollers, and the platform guide rail plate is provided with platform roller rails matched with the platform rollers.
Further, a limiting mechanism is arranged in the platform roller track.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses in 10kV current transformer change work, when having solved and operating in the cubical switchboard, cubical switchboard inner space is narrow and small, can't satisfy the adult and stand, and the inconvenient difficulty of installation because 10kV current transformer self weight is great, needs many people's cooperations to just accomplish the installation simultaneously, has avoided operating personnel to cause the mutual-inductor to fall to cause the incident of pounding injures because of the exhaustion of force many times in the installation. Adopt the utility model discloses replace the manpower to carry out current transformer's change work, the safety risk at operation scene is reduced, the maintenance cycle has been shortened, it needs 4 individuals to change a set of current transformer in the past, at least 5 hours are accomplished, only need 3 individuals now, just can accomplish 2 hours, avoided operating personnel to cause the mutual-inductor to fall because of exhaustion in the installation to cause to pound the injury, the safety risk at operation scene has been reduced, the maintenance cycle has been shortened, the work efficiency of maintainer has been improved, the power off time has been reduced, sell electric quantity and power supply service quality for the company and provide the guarantee.
Furthermore, the telescopic support is connected with the operation platform, the telescopic support and the operation platform are in a vertical relation, the operation platform is adjusted to a certain height through the telescopic support and then slides to a proper position in the horizontal direction through the platform roller rail, so that the installation screw holes are conveniently aligned, and mutual disassembly and installation are carried out.
Furthermore, four universal wheels are arranged at the bottom of the device, so that the platform can be easily moved and braked. In the actual work of installation and replacement, because the influence that there are arrester, neutral point flow each other etc. is in cubical switchboard below current transformer, the device designs into adjustable landing leg to the landing leg, when changing the installation like this, just can be freely height-adjusting, adapts to various environments in the cabinet, can satisfy the dismantlement and the installation of each type of current transformer in the 10kV cubical switchboard.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic left side view of the present invention;
fig. 3 is a front view of the present invention.
The device comprises an operation platform 1, an expansion support 2, an adjustable supporting leg 3, a hydraulic jack 4, a platform guide rail plate 5, a supporting leg wheel 6, a platform roller 7, a platform roller 8, a platform roller rail 9, a hydraulic lifting pedal 10 and a hydraulic air release valve.
Detailed Description
The invention is further described with reference to the accompanying drawings:
referring to fig. 1 to 3, a device for replacing a current transformer applied to a high-voltage switch cabinet comprises four parts, namely a power mechanism, a telescopic mechanism, a platform adjusting mechanism and a support mechanism. Power unit includes hydraulic pressure lift running-board 9, hydraulic jack 4, hydraulic pressure bleed valve 10, drive 4 jacking of hydraulic jack through hydraulic pressure lift running-board 9, descend through hydraulic pressure bleed valve 10, telescopic machanism drives 2 jacking operation platforms 1 to suitable position of telescopic bracket by power unit, platform guiding mechanism includes operation platform 1, platform gyro wheel 7, platform guide rail board 5, platform gyro wheel track 8 is constituteed, a horizontal position for adjusting current transformer, be convenient for aim at the installation screw hole, supporting mechanism includes adjustable landing leg 3, landing leg wheel 6 is universal wheel, can easily remove and arresting gear, the height-adjusting that adjustable landing leg 3 can be freely, adapt to various environment in the cabinet. The utility model discloses the device adopts hydraulic lifting system to rise the platform to suitable position for power, then through under track adjustment platform to current transformer, makes things convenient for demolising and installing of current transformer.
The following will further describe the specific implementation steps of the present invention with reference to the accompanying drawings:
the support mechanism adjusts the adjustable supporting legs 3 to proper positions according to the environment in the 10kV switch cabinet, and the four universal wheels are locked and braked. The pedal 9 is lifted hydraulically through the power mechanism, so that the hydraulic jack 4 transmits power to the device, and the connecting rod of the power mechanism and the telescopic mechanism drives the telescopic bracket 2 to jack to a proper position; the telescopic bracket 2 is connected with the operation platform 1, the telescopic bracket and the operation platform 1 are in a vertical relation, and the operation platform 1 is slid to a proper position in the horizontal direction through the platform roller track 8 after being adjusted to a certain height, so that mutual disassembly and assembly are carried out; in order to prevent the hydraulic mechanism from being out of order, after the platform reaches a proper height, the cross rod is adopted for self-locking the device, so that the device mechanism is guaranteed to be disturbed or to shake to lose balance after bearing heavy objects.
Four universal wheels are installed at the bottom of the device, so that the platform can be easily moved and braked. In the actual work of installation change, because there is the influence that arrester, neutral point flow each other etc. below the current transformer in the cubical switchboard, the device designs into adjustable landing leg 3 the landing leg, when changing the installation like this, just can be free height-adjusting, adapts to various environments in the cabinet, can satisfy the dismantlement and the installation of various types of current transformer in the 10kV cubical switchboard.
Effects of the implementation
Through the actual test, the utility model discloses in 10kV current transformer change work, when having solved and operating in the cubical switchboard, cubical switchboard inner space is narrow and small, can't satisfy the adult and stand, and the inconvenient difficulty of installation because 10kV current transformer self weight is great, needs many people's cooperations to just accomplish the installation simultaneously, has avoided operating personnel to cause the mutual-inductor to fall to cause the incident of pounding the injure because of the exhaustion in the installation many times. Adopt the utility model discloses replacing the manpower to carry out current transformer's change work, having reduced the on-the-spot safety risk of operation, having shortened maintenance cycle, it needs 4 individuals to change a set of current transformer in the past, accomplishes at least 5 hours, only needs 3 individuals now, just can accomplish 2 hours, has improved maintainer's work efficiency, has reduced the power off time, offers the guarantee for company's electric quantity of selling and power supply service quality. The utility model discloses be particularly suitable for popularization and application in the operation is changed to current transformer in company's 10kV cubical switchboard.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021219.0U CN210628909U (en) | 2019-11-19 | 2019-11-19 | A device for replacing current transformers in high-voltage switch cabinets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021219.0U CN210628909U (en) | 2019-11-19 | 2019-11-19 | A device for replacing current transformers in high-voltage switch cabinets |
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| Publication Number | Publication Date |
|---|---|
| CN210628909U true CN210628909U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922021219.0U Active CN210628909U (en) | 2019-11-19 | 2019-11-19 | A device for replacing current transformers in high-voltage switch cabinets |
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| CN (1) | CN210628909U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422298A (en) * | 2021-06-21 | 2021-09-21 | 大航有能电气有限公司 | Automatic high-efficient installation device of current transformer |
| CN114408817A (en) * | 2021-12-17 | 2022-04-29 | 国网河南省电力公司温县供电公司 | Protective device for circuit maintenance |
-
2019
- 2019-11-19 CN CN201922021219.0U patent/CN210628909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422298A (en) * | 2021-06-21 | 2021-09-21 | 大航有能电气有限公司 | Automatic high-efficient installation device of current transformer |
| CN114408817A (en) * | 2021-12-17 | 2022-04-29 | 国网河南省电力公司温县供电公司 | Protective device for circuit maintenance |
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