阅读说明：本技术 一种变压器有载分接开关检修操作台 (Transformer on-load tap-changer maintenance operation platform ) 是由 夏强峰 邓涛 屠晔炜 都敏强 潘陈志 夏晗 房成 仲君超 周咏槟 沈红峰 吴虹 于 2020-04-01 设计创作，主要内容包括：本发明公开了一种变压器有载分接开关检修操作台,包括操作台本体,所述操作台本体包括操作台面和支撑架体；换油模块,所述换油模块用于清洗待检修装置,所述换油模块固定在支撑架体上；动作感应模块,所述动作感应模块用于判别动作幅度,所述动作感应模块设置在支撑架体的底部。本发明采用提供一种变压器有载分接开关检修操作台,提升设备检修效率和质量,且换油方便、操作稳定。(The invention discloses a transformer on-load tap-changer maintenance operation table which comprises an operation table body, wherein the operation table body comprises an operation table surface and a support frame body; the oil changing module is used for cleaning the device to be overhauled and is fixed on the support frame body; the motion induction module is used for judging motion amplitude and is arranged at the bottom of the support frame body. The on-load tap-changer maintenance operation table for the transformer improves the maintenance efficiency and quality of equipment, and is convenient to change oil and stable in operation.)

1. An on-load tap-changer maintenance operation table of a transformer is characterized by comprising,

the operating table comprises an operating table body (1), wherein the operating table body (1) comprises an operating table top (2) and a support frame body (3);

the oil changing module (4), the oil changing module (4) is used for cleaning the device to be overhauled, and the oil changing module (4) is fixed on the support frame body (3);

the motion sensing module (5), the motion sensing module (5) is used for distinguishing motion amplitude, and the motion sensing module (5) is arranged at the bottom of the support frame body (3).

2. A transformer on-load tap-changer service console according to claim 1, characterized in that an upturned fold (201) is provided at the edge of the console top (2).

3. The on-load tap-changer service console of a transformer according to claim 1, characterized in that a waste oil collection module is arranged on the console top (2).

4. The on-load tap-changer maintenance operating platform of the transformer according to claim 3, characterized in that the waste oil collecting module comprises a filter screen (8) arranged on the operating platform surface (2) and a waste oil collector (6) slidably connected to the bottom of the operating platform surface (2), and the waste oil collector (6) is arranged below the filter screen (8).

5. The on-load tap changer maintenance operation desk for the transformer according to claim 1, wherein the oil change module (4) comprises a pipeline (401), a pipeline joint for communicating with the pipeline (401), a control valve (402) for controlling oil circuit switching, a centrifugal pump (403) and a flow rate controller of the centrifugal pump (403), and the pipeline (401) is provided with a first port (405) and a second port (406), respectively.

6. The transformer on-load tap-changer maintenance operation platform according to claim 5, characterized in that the oil change module (4) further comprises a flow rate indicator sensor (404), the flow rate indicator sensor (404) is arranged in the pipeline (401), and the flow rate indicator sensor (404) is electrically connected with the flow rate controller of the centrifugal pump (403).

7. A transformer on-load tap changer service station according to claim 1, characterized in that the motion sensing module (5) comprises a ground terminal, a pressure sensor for calculating the load capacity.

8. On-load tap-changer service console of a transformer according to any of claims 1 to 7, characterized in that a storage box (7) is further provided on said support frame (3), said storage box (7) is slidably connected to said support frame (3), said storage box (7) comprises a tool slot (701) for placing service tools and a component slot (702) for placing service components.

9. The on-load tap-changer service console of a transformer according to any one of claims 1 to 7, characterized in that the console body (1) is made of a stainless steel material.

Technical Field

The invention relates to an operation table, in particular to an on-load tap-changer maintenance operation table for a transformer.

Background

With the rapid development of social economy, the requirements on the power supply reliability of the power grid are continuously improved, and the requirements on the overhaul quality of power grid equipment are higher and higher. The power transformer is used as a key device in a power system, the reliable operation of the power transformer is related to the safety and the stability of the system, and the power supply reliability of a power grid is directly influenced. The tap switch is a key part of the power transformer, and the safe and stable operation of the tap switch can be effectively guaranteed only by carrying out periodical power failure and hoisting core overhaul on the tap switch. At present, in the comprehensive overhaul process of a transformer substation, overhaul operation platforms are adopted in the overhaul operation process of a tap changer hoisting core, the forms are different, a simple folding wood table is often adopted, even the overhaul operation is directly carried out on an open cement ground, great operation quality risks exist, and the overhaul stability and the safety of the overhaul operation are not guaranteed.

For example, the document CN209217539U of "a transformer on-load tap changer maintenance platform" disclosed in the chinese patent document includes a table body for carrying a transformer to be maintained, the table body includes a horizontally disposed table top, a fence for preventing transformer oil from flowing out of the table top is disposed at the edge of the table top, a gap is disposed in the fence, a movable baffle is mounted on the gap through a hinge, and a sealing strip tightly combined with the gap is disposed at the edge of the movable baffle; the table body is still including setting up the table leg in four corners below of desktop, is equipped with the slide rail on the desktop bottom surface of hoist and mount in the space that encloses in the middle of four table legs, installs slidable dismantlement's waste oil collecting vessel on the slide rail, and when waste oil collecting vessel installed on the slide rail, the adjustable fender that transformer oil accessible on the desktop was opened flows into in the waste oil collecting vessel. Through the design of addding adjustable fender and slidingtype waste oil collecting bucket for transformer oil can be when the clearance directional flow to the waste oil collecting bucket in, reduced the interference to the environment, keep operating space clean and tidy, but this operation panel only can be used for bearing the transformer that waits to overhaul, when the device need be changed oil, need additionally take one and change oily equipment, the operation is inconvenient, and the overhaul of the equipments is efficient.

Disclosure of Invention

The invention provides a transformer on-load tap-changer maintenance operation table, aiming at overcoming the problems of larger operation quality risk, low equipment maintenance efficiency and the like of the existing operation table, improving the equipment maintenance efficiency and quality, and being convenient to change oil and stable in operation.

In order to achieve the purpose, the invention adopts the following technical scheme:

a transformer on-load tap-changer maintenance operation table comprises an operation table body, wherein the operation table body comprises an operation table top and a support frame body; the oil changing module is used for cleaning the device to be overhauled and is fixed on the support frame body; the motion induction module is used for judging motion amplitude and is arranged at the bottom of the support frame body.

In this technical scheme, the operation panel body is used for bearing and treats the maintenance device, when using, for reducing maintenance operation quality risk, tap switch overhauls the operation and accomplishes on the operation mesa, the module of changing oil is used for waiting to detect remaining oil drain clean and with new oil wash clean in the device, the setting of the module of changing oil has reduced the speed of taking out the oil pipe, thereby tap switch oil change work's time has been shortened, tap switch oil change washing work efficiency has been promoted, and the setting of action response module is used for distinguishing the action range, avoid causing the potential safety hazard because misoperation, make tap switch's maintenance operation more safe and stable.

Preferably, an upturned folding edge is arranged at the edge of the operating table top.

The upwarping folded edge is used for preventing oil flow from overflowing, and the phenomenon that the transformer oil falls off from the edge of the operation table top and drips to pollute the environment in the overhauling process is avoided.

Preferably, a waste oil collecting module is arranged on the operation table top.

The waste oil collection module is arranged to discharge oil on the operation table board in time, so that inconvenience caused by excessive oil on the operation table board is avoided.

Preferably, the waste oil collecting module comprises a filter screen arranged on the operation table top and a waste oil collector connected to the bottom of the operation table top in a sliding manner, and the waste oil collector is arranged below the filter screen.

Waste oil on the operation mesa flows into the waste oil collector through the filter screen in, has effectively avoided the waste oil on the operation mesa to pile up, and the setting up of waste oil collector makes unnecessary waste transformer oil keep apart well with tap changer, guarantees that job site waste oil retrieves cleanly, reduces the pollution to the environment.

Preferably, the oil changing module comprises a pipeline, a pipeline joint for communicating the pipeline, a control valve for controlling oil circuit switching, a centrifugal pump and a centrifugal pump flow rate controller, and the pipeline is provided with a first port and a second port respectively.

The oil change module is arranged to eliminate the work of replacing the oil discharge and injection pipe by on-site oil change flushing, so that the oil change is more portable, according to the on-site actual work requirement, after the oil pipe of the device to be cleaned is connected, an oil pumping or injection program of the oil change module is started, residual oil in the device is completely discharged and is completely flushed by new oil, in the process, the control valve controls an oil way, so that the oil pumping or injection of the device can be realized only by connecting the first port or the second port with the oil pipe of the device, the oil pipe of the device is not required to be repeatedly disconnected and connected, the work efficiency is improved, the maintenance time of a tapping switch is shortened, the delay or change of power failure time caused by the maintenance work of the equipment is avoided, and unnecessary economic loss is caused.

Preferably, the oil change module further comprises a flow rate indicator sensor, the flow rate indicator sensor is arranged in the pipeline, and the flow rate indicator sensor is electrically connected with the centrifugal pump flow rate controller.

The setting of flow rate indicator sensor is convenient for give centrifugal pump flow rate controller with the velocity of flow parameter transfer, and centrifugal pump flow rate controller controls the centrifugal pump again, effectively prevents because of the oil flow velocity is too fast, leads to transformer oil because of static and degradation.

Preferably, the motion sensing module comprises a ground terminal and a pressure sensor for calculating the load capacity.

The setting of action response module is used for real-time supervision user's application of force on the operation mesa, and pressure sensor is used for the automatic calculation loading capacity to judge operation action range, when too violent with the power, pressure sensor spreads the signal and indicates, effectively prevents that misoperation when overhauing from causing the damage to spare part.

Preferably, a storage box is further arranged on the support frame body, the storage box is slidably connected to the support frame body, and the storage box comprises a tool groove for placing an overhaul tool and a part groove for placing an overhaul part.

The storage box is connected to the support frame body in a sliding mode, tool parts can be taken or placed when the storage box is pulled out, and when the storage box is not used, the storage box slides into the support frame body, so that the storage box is convenient to store, and the space is saved; the tool groove of storage box is used for placing the maintenance instrument, and the part groove is used for placing the maintenance part, has avoided maintenance instrument and part to mix and has influenced work efficiency together.

Preferably, the operating table body is made of stainless steel.

The stainless steel material effectively prolongs the service life of the operating platform.

Therefore, the invention has the following beneficial effects:

(1) the overhaul efficiency and quality of the equipment are improved, the oil change is convenient, and the operation is stable;

(2) the upwarping folded edge is arranged to prevent oil flow from overflowing, so that the environment is prevented from being polluted;

(3) the waste oil collecting module is arranged to discharge oil on the operating table board in time, so that waste oil on a working site is recycled and cleaned, and the pollution to the environment is reduced;

(4) due to the arrangement of the oil changing module, the overhauling time of the tap changer is shortened, and unnecessary economic loss caused by the delay or change of the power failure time due to the overhauling work of equipment is avoided;

(5) the setting of the flow rate indicator sensor is convenient for transmitting the flow rate parameters to the centrifugal pump flow rate controller, and the transformer oil is effectively prevented from being degraded due to static electricity caused by too high oil flow speed;

(6) the setting of action response module prevents effectively that misoperation from causing the damage to spare part when overhauing.

Drawings

Fig. 1 is a schematic structural diagram of a maintenance operation table of an on-load tap-changer of a transformer;

fig. 2 is a front view of a transformer on-load tap changer service station;

fig. 3 is a side view of a transformer on-load tap changer service station;

FIG. 4 is a schematic view of one construction of the storage case;

FIG. 5 is a schematic structural view of an oil change module;

FIG. 6 is a schematic diagram of the flow of oil from the first port to the second port in the oil change module;

FIG. 7 is a schematic diagram of the flow of oil in the oil change module from the second port to the first port;

in the figure: 1. the device comprises an operation table body 2, an operation table surface 201, an upturned hem 3, a support frame body 4, an oil changing module 401, a pipeline 402, a control valve 403, a centrifugal pump 404, a flow rate indicator sensor 405, a first port 406, a second port 407, a first control valve 408, a second control valve 409, a third control valve 410, a fourth control valve 5, an action induction module 6, a waste oil collector 7, a storage box 701, a tool groove 702, a part groove 8 and a filter screen.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.