CN112217123B - Method for replacing valve base insulator of column type converter valve column - Google Patents
Method for replacing valve base insulator of column type converter valve column Download PDFInfo
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- CN112217123B CN112217123B CN202011071551.9A CN202011071551A CN112217123B CN 112217123 B CN112217123 B CN 112217123B CN 202011071551 A CN202011071551 A CN 202011071551A CN 112217123 B CN112217123 B CN 112217123B
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The invention discloses a method for replacing a valve base insulator of a column type converter valve tower, which comprises a supporting insulator, a new insulator, an upper hoisting assembly and a lower connecting assembly, wherein the upper hoisting assembly comprises a hoisting rod and a hoisting rod; the top of the supporting insulator is provided with a jack and is suitable for supporting the valve tower; the upper hoisting assembly can be connected with the upper ends of the new insulator and the supporting insulator; the lower connecting assembly can be used for connecting the new insulator and the supporting insulator or the lower end of the insulator to be replaced so as to enable the new insulator and the supporting insulator to move simultaneously; and, go up hoist and mount subassembly and can connect new insulator and the upper end of waiting to change the insulator, lower coupling assembling can connect the lower extreme of new insulator and waiting to change the insulator to make new insulator and waiting to change the insulator simultaneous movement. The device and the method for replacing the valve base insulator of the column type converter valve tower have the advantages of few dismounting devices, low working strength and short power failure maintenance time.
Description
Technical Field
The invention relates to the technical field of high-voltage insulators, in particular to a device and a method for replacing a valve base insulator of a column type converter valve tower.
Background
In electrical products, insulators are used quite widely, and are often used as supporting insulating members due to their functional characteristics. In the power industry, the level of voltage borne by two ends of an insulator is high, the insulator can be broken down due to the high level of voltage, or due to the reasons that the quality of the insulator is not over-qualified and aging is caused, and the damaged insulator needs to be replaced.
Valve base support insulator is at the bottom of product, and upper strata part is more, and weight is also very huge, directly dismantles to change unable realization, and similar valve base support insulator's change scheme generally is for having a power failure to overhaul, demolishs and need to overhaul all parts on the insulator upper strata, makes support insulator not atress completely, utilizes the driving to accomplish the hoist and mount of insulator and changes, later carries out the reinstallation of upper strata part, and the inspection is installed after intact, and equipment drops into the operation once more.
The disadvantages of the existing replacement mode are as follows: too many detachable parts easily cause equipment damage and collision risk due to frequent detachment; the operating personnel working strength is big, has also produced the power failure maintenance time overlength from this, the risk of repeated installation.
Therefore, the research on the replacement device and method for the valve base insulator of the strut-type converter valve is significant.
Disclosure of Invention
In order to solve the technical problems of excessive disassembly parts, high working strength and long power failure maintenance time in the prior art when a valve base supporting insulator is replaced, the invention provides a device and a method for replacing a valve base insulator of a strut type converter valve tower.
The invention provides a device and a method for replacing a valve base insulator of a column type converter valve tower, which comprises a supporting insulator, a new insulator, an upper hoisting assembly and a lower connecting assembly, wherein the upper hoisting assembly is arranged on the supporting insulator; the top of the supporting insulator is provided with a jack and is suitable for supporting the valve tower; the upper hoisting assembly can be connected with the new insulator and the upper end of the supporting insulator; the lower connecting assembly can be used for connecting the new insulator and the supporting insulator or the lower end of the insulator to be replaced so as to enable the new insulator and the supporting insulator to move simultaneously; and, go up hoist and mount subassembly can connect new insulator and the upper end of waiting to change the insulator, lower coupling assembling can connect the lower extreme of new insulator and waiting to change the insulator to make new insulator and waiting to change the insulator simultaneous movement.
Furthermore, the bottom of the supporting insulator is also provided with a supporting frame, and the supporting frame is connected with the supporting insulator through a flange plate.
Furthermore, go up hoist and mount subassembly includes first balanced bracing piece and is fixed in the first staple bolt at first balanced bracing piece both ends.
Furthermore, the lower connecting assembly comprises a second balance supporting rod and a second hoop fixed at two ends of the second balance supporting rod.
Furthermore, the device for replacing the valve base insulator of the column type converter valve tower further comprises two groups of transverse fixing devices, wherein one group of transverse fixing devices are connected with the upper ends of the supporting insulator and the intact insulator, and the other group of transverse fixing devices are connected with the lower ends of the supporting insulator and the intact insulator.
Furthermore, each group of transverse fixing devices comprises a connecting upright post, transverse supports connected with the two ends of the connecting upright post, and a third hoop positioned at the tail ends of the transverse supports.
Preferably, the upper end and the lower end of the jack are also provided with cushion blocks.
Furthermore, the device for replacing the valve base insulator of the strut-type converter valve tower further comprises a travelling crane and a lifting rope, and the lifting rope is connected with the upper hoisting assembly.
The invention also provides a method for replacing the valve base insulator of the strut type converter valve tower, which uses the device for replacing the valve base insulator of the strut type converter valve tower and comprises the following steps: s1: disassembling the relevant interference device; s2: hoisting a support insulator and a new insulator, wherein an upper hoisting assembly and a lower connecting assembly are respectively fixed at the upper end and the lower end of the new insulator and the support insulator, and the new insulator and the support insulator are sent into a valve tower; s3: replacing the hoisting point, detaching the upper hoisting assembly and the lower connecting assembly on the supporting insulator, and transferring the upper hoisting assembly and the lower connecting assembly to the upper end and the lower end of the insulator to be replaced; s4: replacing the insulator: pressurizing by a jack, supporting the valve tower, and simultaneously rotating the upper hoisting assembly and the lower connecting assembly to exchange the positions of the new insulator and the insulator to be replaced; s5: and replacing the hoisting point again: removing the upper hoisting assembly and the lower connecting assembly on the new insulator, and transferring the upper hoisting assembly and the lower connecting assembly to the upper end and the lower end of the supporting insulator and the insulator to be replaced; s6: hoisting out the insulator: the jack releases the pressure, and the supporting insulator and the insulator to be replaced are lifted out together.
Further, in S3, the lower connecting assembly on the supporting insulator is removed and transferred to the lower end of the insulator to be replaced, and then the upper hoisting assembly on the supporting insulator is removed and transferred to the upper end of the insulator to be replaced.
The invention has the beneficial effects that:
(1) the device and the method for replacing the valve base insulator of the strut type converter valve tower have the advantages of few dismounting devices, low working strength and short power failure maintenance time.
(2) According to the device and the method for replacing the valve base insulator of the column type converter valve tower, the insulator to be replaced is in a contact stress state by using the supporting insulator, the new insulator and the insulator to be replaced are rotatably replaced by using the upper hoisting assembly and the lower connecting assembly, and then the insulator to be replaced and the supporting insulator are hoisted out together, so that the occupied space in the whole process is small, and only a few interference parts need to be removed.
(3) According to the device and the method for replacing the valve base insulator of the column type converter valve tower, the upper hoisting component and the lower connecting component are fixed with the insulator in a hoop connecting mode, when one hoop is switched among different insulators, only the other hoop is needed to be used as a center to rotate the two components, and the hoop is sleeved and installed after rotating to the position of the insulator to be hoisted, so that the dismounting mode is simple and convenient.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a lower connecting assembly in a strut-type converter valve tower base insulator replacing device according to the present invention;
FIG. 2 is a schematic structural diagram of an upper hoisting assembly in the device for replacing the valve base insulator of the strut-type converter valve tower according to the present invention
FIG. 3 is a schematic structural diagram of a support frame in the device for replacing the valve base insulator of the support column type converter valve tower according to the present invention;
FIG. 4 is a schematic structural diagram of a transverse fixing device in the replacement device for the valve base insulator of the strut-type converter valve tower according to the present invention;
fig. 5 is a schematic view of the support insulator and a new insulator of the present invention being suspended inside a valve tower;
FIG. 6 is an enlarged view taken at a point a in FIG. 5;
fig. 7 is a schematic view of the upper and lower lifting assemblies transferred to the insulator to be replaced (the lateral fixing means is not installed);
figure 8 is a schematic view of the upper and lower lifting assemblies transferred to the insulator to be replaced (with the lateral securing means installed);
fig. 9 is a schematic view of the new insulator and the insulator to be replaced after the positions are changed;
fig. 10 is a schematic view of the upper and lower lifting assemblies being transferred onto the support insulator again;
FIG. 11 is a schematic view of a lateral fixation device installation.
In the figure, 1, a supporting insulator, 2, a new insulator, 3, an upper hoisting component, 301, a first balance supporting rod, 3011, a hoisting hole, 302, a first hoop, 4, a lower connecting component, 401, a second balance supporting rod, 402, a second hoop, 5, a supporting frame, 6, a flange plate, 7, a jack, 8, a transverse fixing device, 801, a connecting upright column, 802, a transverse support, 803, a third hoop, 9, a cushion block, 10, a hoisting rope, 11, an insulator to be replaced, 12, a complete insulator, 13, a frame, 14 and a cushion block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 11, a device for replacing a valve base insulator of a strut-type converter valve tower comprises a supporting insulator 1, a new insulator 2, an upper hoisting component 3 and a lower connecting component 4; the top of the supporting insulator 1 is provided with a jack 7 and is suitable for supporting the valve tower; the upper hoisting assembly 3 can be connected with the new insulator 2 and the upper end of the supporting insulator 1; the lower connecting assembly 4 can connect the new insulator 2 with the support insulator 1 or the lower end of the insulator 11 to be replaced, so that the new insulator 2 and the support insulator 1 move simultaneously; and, go up hoist and mount subassembly 3 and can connect new insulator 2 and the upper end of waiting to change insulator 11, lower coupling assembling 4 can connect the lower extreme of new insulator 2 and waiting to change insulator 11 to make new insulator 2 and waiting to change insulator 11 simultaneous movement.
The upper hoisting component 3 and the lower connecting component 4 are firstly connected with a new insulator 2 and a supporting insulator 1, the new insulator 2 and the supporting insulator 1 are hoisted into a valve tower together (as shown in figure 5), a jack 7 is fixed at the top of the supporting insulator 1, after the supporting insulator 1 is fixed, a certain distance is left between the top of the jack 7 and a frame 13 of the valve tower, then the upper hoisting component 3 and the lower connecting component 4 are connected with the new insulator 2 and an insulator 11 to be replaced (as shown in figure 7), the jack 7 pressurizes to support the valve tower, at the moment, the insulator 11 to be replaced is separated from the frame 13 of the valve tower, the upper hoisting component 3 and the lower connecting component 4 can be rotated to change the positions of the new insulator 2 and the insulator 11 to be replaced (as shown in figure 9), and finally the upper hoisting component 3 and the lower connecting component 4 are connected with the insulator 11 to be replaced and the supporting insulator 1 (at the moment, the insulator 11 to be replaced is at the original position of the new insulator 2, as shown in fig. 10), the insulator 11 to be replaced is hoisted out together with the supporting insulator 1.
Specifically, as shown in fig. 1 and 2, the upper lifting assembly 3 includes a first balance support rod 301 and first anchor ears 302 fixed to two ends of the first balance support rod 301. The lower connecting assembly 4 includes a second balance support bar 401 and second hoops 402 fixed to both ends of the second balance support bar 401. The first anchor ear 302 is sleeved on the upper end of the insulator, and the second anchor ear 402 is sleeved on the lower end of the insulator. The staple bolt is prior art, and is fixed in the periphery and the locking of insulator with two arc clamp covers through bolt assembly or fast switch.
Preferably, as shown in fig. 3 and 5, a support frame 5 is further provided at the bottom of the support insulator 1, and the support frame 5 is connected to the support insulator 1 through a flange plate 6. The supporting insulator 1 is hung in the valve tower and then placed on the flange plate 6 of the supporting frame 5, and is fixed with the flange plate 6 through bolts, so that the position of the supporting insulator 1 is fixed. The supporting insulator 1 is preferably fixed between the insulator 11 to be replaced and the intact insulator 12, and the distance from the insulator 11 to be replaced is preferably 4-6 mm. The distance between the supporting insulator 1 and the insulator 11 to be replaced is shown in fig. 5 as 4 mm. The support frame 5 is a long I-shaped steel.
In order to avoid the shaking of the valve tower after the supporting insulator 1 supports the valve tower, in a further design of the present invention, as shown in fig. 8 and 11, the device for replacing the valve base insulator of the strut-type converter valve tower further comprises two sets of transverse fixing devices 8, wherein one set of transverse fixing device 8 is connected with the upper ends of the supporting insulator 1 and the intact insulator 12, and the other set of transverse fixing device 8 is connected with the lower ends of the supporting insulator 1 and the intact insulator 12. The transverse fixing device 8 is installed after the supporting insulator 1 is hung into the valve tower. Specifically, as shown in fig. 4, each set of transverse fixing devices 8 includes a connecting upright 801, transverse supports 802 connecting two ends of the connecting upright 801, and a third hoop 803 located at the end of the two transverse supports 802. The connecting columns 801 are arranged in the vertical direction and the lateral supports 802 are arranged in the horizontal direction. Since the bottom height of the supporting insulator 1 is lower than the bottom height of the intact insulator 12 (the top of the supporting insulator 1 needs to have a certain gap with the frame 13), the connecting column 801 is needed to compensate the height difference between the supporting insulator 1 and the intact insulator 12, wherein the third hoop 803 below the connecting column 801 is connected to the supporting insulator 1, and the third hoop 803 above the connecting column 801 is connected to the intact insulator 12.
As shown in fig. 6, in order to prevent the jack 7 from damaging the valve tower and the support insulator 1 when the valve tower is supported by the jack 7, the upper and lower ends of the jack 7 are further provided with spacers 149, and each spacer 149 is provided with a groove suitable for the jack 7 to press in for limiting the jack 7.
Preferably, the device for replacing the valve base insulator of the strut-type converter valve tower further comprises a crane and a lifting rope 10, wherein the lifting rope 10 is connected with the upper lifting assembly 3, and the insulator is lifted in or out by adopting a crane lifting mode, so that the labor force is saved, and the lifting is convenient and reliable. As shown in fig. 2, the middle portion of the first balance supporting bar 301 is provided with a hanging hole 3011 adapted to wind the hanging rope 10.
The invention also provides a method for replacing the valve base insulator of the strut type converter valve tower, which uses the device for replacing the valve base insulator of the strut type converter valve tower and comprises the following steps:
s1: the relevant interference devices are disassembled, only two spaces for lifting the insulators need to be reserved, the position of the insulators inside the valve tower can be adjusted during hoisting, most devices can be flexibly avoided, and the interference devices to be disassembled can be greatly reduced.
S2: and hoisting the supporting insulator 1 and the new insulator 2, fixing the upper hoisting component 3 and the lower connecting component 4 at the upper end and the lower end of the new insulator 2 and the supporting insulator 1 respectively, and feeding the new insulator 2 and the supporting insulator 1 into a valve tower. As shown in fig. 5, the supporting insulator 1 is suspended in the valve tower and fixed on the flange plate 6, and the new insulator 2 is in a suspended state.
S3: replacing the hoisting point, namely removing the upper hoisting component 3 and the lower connecting component 4 on the supporting insulator 1 as shown in fig. 7, and transferring the hoisting components to the upper end and the lower end of the insulator 11 to be replaced; the specific disassembly and assembly sequence is as follows: firstly, removing the lower connecting assembly 4 on the supporting insulator 1, and transferring the lower connecting assembly to the lower end of the insulator 11 to be replaced, namely, removing the second anchor ear 402 connected with the supporting insulator 1 and then connecting the second anchor ear to the insulator 11 to be replaced; the upper hoisting assembly 3 of the support insulator 1 is removed and transferred to the upper end of the insulator 11 to be replaced, that is, the second anchor ear 402 connected with the support insulator 1 is removed and then connected to the insulator 11 to be replaced. Of course, the upper hoisting component 3 may be transferred first and then the lower connecting component 4 may be transferred, and the two components are transferred in sequence in order to keep the new suspended insulator 2 in a supported state all the time.
After the upper hoisting component 3 and the lower connecting component 4 are transferred, the supporting insulator 1 is only subjected to the fixed supporting action of the supporting frame 5, in order to avoid the supporting insulator 1 from shaking, preferably, after the hoisting point is changed, the transverse fixing device 8 is connected between the supporting insulator 1 and the intact insulator 12, the third hoop 803 at one end can be fixed on the intact insulator 12 in advance, and after the upper hoisting component 3 and the lower connecting component 4 are detached from the supporting insulator 1, the third hoop 803 at the other end is fixed on the supporting insulator 1, so that the state shown in fig. 8 is formed.
S4: replacing the insulator: the jack 7 is pressurized to support the valve tower, and the upper hoisting component 3 and the lower connecting component 4 are rotated simultaneously to exchange the positions of the new insulator 2 and the insulator 11 to be replaced to form a state shown in fig. 9; before the jack 7 pressurizes, will wait to change insulator 11 and the screw of the flange joint at both ends about it earlier and loosen, after the pressurization is accomplished, wait to change insulator 11 and have the longitudinal movement space, can change new insulator 2 and the position of waiting to change insulator 11 through the hoist and mount mode this moment, also hoist and mount subassembly 3 on the horizontal rotation. After the replacement is finished, the new insulator 2 is fixed on the valve tower and is fixedly connected with the flange, and the insulator 11 to be replaced is in a suspended state.
S5: and replacing the hoisting point again: the upper hoisting component 3 and the lower connecting component 4 on the new insulator 2 are removed and transferred to the upper and lower ends of the supporting insulator 1 and the insulator 11 to be replaced, as shown in fig. 10; the disassembly and assembly sequence at this time is the same as that in S3, and the upper hoisting assembly 3 and the lower connecting assembly 4 are respectively disassembled and assembled, so that the suspended insulator 11 to be replaced is always in a supported state.
S6: hoisting out the insulator: the jack 7 is decompressed, and the supporting insulator 1 and the insulator 11 to be replaced are lifted out together. When installing the transverse fixing device 8, the transverse fixing device 8 needs to be removed first and then the supporting insulator 1 and the insulator 11 to be replaced need to be hoisted out together.
In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "vertical," "horizontal," and the like, as used herein, are based on the orientation or positional relationship shown in the drawings and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A method for replacing a valve base insulator of a strut type converter valve tower is characterized by comprising the following steps: the method uses a support column type converter valve tower valve base insulator replacing device which comprises a support insulator, a new insulator, an upper hoisting assembly and a lower connecting assembly;
the top of the supporting insulator is provided with a jack and is suitable for supporting the valve tower;
the upper hoisting assembly can be connected with the new insulator and the upper end of the supporting insulator; the lower connecting assembly can be used for connecting the new insulator and the supporting insulator or the lower end of the insulator to be replaced so as to enable the new insulator and the supporting insulator to move simultaneously;
the upper hoisting assembly can be connected with the upper ends of the new insulator and the insulator to be replaced, and the lower connecting assembly can be connected with the lower ends of the new insulator and the insulator to be replaced, so that the new insulator and the insulator to be replaced move simultaneously;
the method comprises the following steps:
s1: disassembling the relevant interference device;
s2: hoisting a supporting insulator and a new insulator, wherein an upper hoisting assembly and a lower connecting assembly are respectively fixed at the upper end and the lower end of the new insulator and the supporting insulator, and the new insulator and the supporting insulator are sent into a valve tower;
s3: replacing the hoisting point, detaching the upper hoisting assembly and the lower connecting assembly on the supporting insulator, and transferring the upper hoisting assembly and the lower connecting assembly to the upper end and the lower end of the insulator to be replaced;
s4: replacing the insulator: pressurizing by a jack, supporting the valve tower, and simultaneously rotating the upper hoisting assembly and the lower connecting assembly to exchange the positions of the new insulator and the insulator to be replaced;
s5: and replacing the hoisting point again: removing the upper hoisting assembly and the lower connecting assembly on the new insulator, and transferring the upper hoisting assembly and the lower connecting assembly to the upper end and the lower end of the supporting insulator and the insulator to be replaced;
s6: hoisting out the insulator: releasing the pressure by the jack, and lifting the supporting insulator and the insulator to be replaced together;
in S3, the lower connection assembly on the support insulator is removed first and transferred to the lower end of the insulator to be replaced, and then the upper hoisting assembly on the support insulator is removed and transferred to the upper end of the insulator to be replaced.
2. The method for replacing the valve base insulator of the strut type converter valve tower according to claim 1, wherein the method comprises the following steps: the bottom of the supporting insulator is also provided with a supporting frame, and the supporting frame is connected with the supporting insulator through a flange plate.
3. The method for replacing the valve base insulator of the strut type converter valve tower according to claim 1, wherein the method comprises the following steps: the upper hoisting assembly comprises a first balance supporting rod and first hoops fixed at two ends of the first balance supporting rod.
4. The method for replacing the valve base insulator of the strut type converter valve tower according to claim 1, wherein the method comprises the following steps: the lower connecting assembly comprises a second balance supporting rod and second hoops fixed at two ends of the second balance supporting rod.
5. The method for replacing the valve base insulator of the strut type converter valve tower according to claim 1, wherein the method comprises the following steps: the device for replacing the valve base insulator of the column type converter valve tower further comprises two groups of transverse fixing devices, wherein one group of transverse fixing devices are connected with the upper ends of the supporting insulator and the intact insulator, and the other group of transverse fixing devices are connected with the lower ends of the supporting insulator and the intact insulator.
6. The method for replacing the valve base insulator of the strut type converter valve tower according to claim 5, wherein the method comprises the following steps: each group of transverse fixing devices comprises a connecting upright post, transverse supports connected with the two ends of the connecting upright post and a third hoop positioned at the tail ends of the transverse supports.
7. The method for replacing the valve base insulator of the strut type converter valve tower according to claim 1, wherein the method comprises the following steps: cushion blocks are further arranged at the upper end and the lower end of the jack.
8. The method for replacing the valve base insulator of the strut type converter valve tower according to any one of claims 1 to 7, wherein the method comprises the following steps: the device for replacing the valve base insulator of the column type converter valve tower further comprises a travelling crane and a lifting rope, and the lifting rope is connected with the upper lifting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071551.9A CN112217123B (en) | 2020-10-09 | 2020-10-09 | Method for replacing valve base insulator of column type converter valve column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071551.9A CN112217123B (en) | 2020-10-09 | 2020-10-09 | Method for replacing valve base insulator of column type converter valve column |
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| CN112217123A CN112217123A (en) | 2021-01-12 |
| CN112217123B true CN112217123B (en) | 2022-05-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202564850U (en) * | 2012-05-22 | 2012-11-28 | 四川省电力公司南充电业局 | Replacement and lifting tool for tubular bus pillar insulator |
| CN204012455U (en) * | 2014-07-18 | 2014-12-10 | 国家电网公司 | The replacing instrument of insulator |
| CN104901206A (en) * | 2015-06-01 | 2015-09-09 | 国家电网公司 | Supporting apparatus for adjusting pillar type electrical equipment |
| CN107800272A (en) * | 2017-10-18 | 2018-03-13 | 许继电气股份有限公司 | Brace type converter valve valve tower |
| CN111313324A (en) * | 2020-03-30 | 2020-06-19 | 国网江苏省电力有限公司电力科学研究院 | Adjustable monitoring type replacing device for light large-tonnage porcelain insulator |
| CN111462960A (en) * | 2020-05-22 | 2020-07-28 | 孙志 | U-shaped bracket for composite post insulator |
-
2020
- 2020-10-09 CN CN202011071551.9A patent/CN112217123B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202564850U (en) * | 2012-05-22 | 2012-11-28 | 四川省电力公司南充电业局 | Replacement and lifting tool for tubular bus pillar insulator |
| CN204012455U (en) * | 2014-07-18 | 2014-12-10 | 国家电网公司 | The replacing instrument of insulator |
| CN104901206A (en) * | 2015-06-01 | 2015-09-09 | 国家电网公司 | Supporting apparatus for adjusting pillar type electrical equipment |
| CN107800272A (en) * | 2017-10-18 | 2018-03-13 | 许继电气股份有限公司 | Brace type converter valve valve tower |
| CN111313324A (en) * | 2020-03-30 | 2020-06-19 | 国网江苏省电力有限公司电力科学研究院 | Adjustable monitoring type replacing device for light large-tonnage porcelain insulator |
| CN111462960A (en) * | 2020-05-22 | 2020-07-28 | 孙志 | U-shaped bracket for composite post insulator |
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| CN112217123A (en) | 2021-01-12 |
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