CN110580962A - Nuclear power hydrogen cooler overhauling platform and building method thereof - Google Patents
Nuclear power hydrogen cooler overhauling platform and building method thereof Download PDFInfo
- Publication number
- CN110580962A CN110580962A CN201910828090.6A CN201910828090A CN110580962A CN 110580962 A CN110580962 A CN 110580962A CN 201910828090 A CN201910828090 A CN 201910828090A CN 110580962 A CN110580962 A CN 110580962A
- Authority
- CN
- China
- Prior art keywords
- detection
- nuclear power
- ladder
- support
- hydrogen cooler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 54
- 239000001257 hydrogen Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 238000012423 maintenance Methods 0.000 claims abstract description 13
- 230000009194 climbing Effects 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/022—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/028—Devices or arrangements for monitoring coolant or moderator for monitoring gaseous coolants
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention provides a nuclear power hydrogen cooler overhauling platform and a building method thereof. The nuclear power hydrogen cooler maintenance platform is arranged on the stator (10) in a spanning mode; a flange (11) is respectively arranged at the left edge and the right edge of the top of the stator (10); the nuclear power hydrogen cooler overhauling platform comprises two detection supports (1), and the detection supports (1) are buckled on corresponding flanges (11); each detection support (1) is vertically provided with a safety guardrail (2) at the front side and the rear side; the nuclear power hydrogen cooler overhauling platform also comprises connecting guardrails (3) which are respectively connected between the two detection brackets (1); a detachable railing (7) is detachably arranged between the two safety guardrails (2) on each detection bracket (1); each detection bracket (1) is provided with a ladder stand (8) in a turnable way. The nuclear power hydrogen cooler overhauling platform and the building method thereof are convenient to install and stable and safe to support.
Description
Technical Field
The invention relates to the field of maintenance tools of nuclear power stations, in particular to a nuclear power hydrogen cooler overhauling platform and a building method thereof.
Background
For the existing half-speed turbonator, an axial flow multistage compression fan is adopted at the front end, and a static blade seat is designed at the corresponding position; the front steam end is provided with a plurality of hydrogen coolers which are vertically arranged, and hydrogen circulates in a generator with a closed system by means of a multi-stage axial flow fan positioned at the end part of a steam end rotor. The weight of the hydrogen cooler is supported by the bottom plate, the upper water chamber and the lower water chamber can be detached, and water inlet and outlet of the hydrogen cooler are arranged below the engine base. Before each round of overhaul, a scaffold is needed to be adopted to set up a hydrogen cooler overhaul platform, which wastes time and labor and is not beautiful. When the scaffold is erected, sparks and static electricity generated by contact between the scaffold erecting materials do not meet industrial safety management regulations of a nuclear power hydrogen system (iron objects and tools cannot be used for mutually contacting to generate sparks during the hydrogen charging period of a generator); the staff touches the probe easily, leads to the unit wrong report to police, leads to the machine jump when serious, and these are all unfavorable for on-the-spot standardization management.
Disclosure of Invention
The invention provides a nuclear power hydrogen cooler overhauling platform and a building method thereof aiming at the technical problems.
The technical scheme provided by the invention is as follows:
The invention provides a nuclear power hydrogen cooler maintenance platform which is arranged on a stator in a spanning mode; flanges are respectively arranged at the left edge and the right edge of the top of the stator; the nuclear power hydrogen cooler overhauling platform comprises two detection supports, the two detection supports correspond to two flanges on the top of the stator one by one, and the detection supports are buckled on the corresponding flanges; each detection support is vertically provided with a safety guardrail at the front side and the rear side; the nuclear power hydrogen cooler overhauling platform also comprises two connecting guardrails which are respectively connected between the safety guardrails at the rear sides of the two detection brackets and between the safety guardrails at the front sides of the two detection brackets; a detachable rail is detachably mounted between the two safety guardrails on each detection bracket; each detection support is provided with a ladder stand in a turnable way, and the bottom of the ladder stand is supported on the ground.
In the nuclear power hydrogen cooler overhauling platform, the detection support comprises a first supporting surface and a second supporting surface which are arranged in parallel; the first supporting surface and the second supporting surface are connected through a connecting ladder to form a second-level ladder; the second supporting surface is respectively connected with the flange and the safety barrier in an installing way; the first supporting surface is connected with the ladder stand.
In the nuclear power hydrogen cooler overhauling platform, the nuclear power hydrogen cooler overhauling platform further comprises a supporting rod which is arranged in parallel with the climbing direction of the crawling ladder and is arranged on the first supporting surface, and a connecting cross rod which is respectively and vertically connected with the climbing direction of the crawling ladder and the supporting rod.
In the nuclear power hydrogen cooler overhauling platform, the bottom of the ladder stand is provided with the adjusting anchor feet.
the invention also provides a building method of the nuclear power hydrogen cooler overhauling platform, which comprises the following steps:
step S1, vertically installing a safety barrier at the front side and the rear side of each detection bracket; a detachable railing is arranged between the two safety guardrails on each detection bracket;
Step S2, hoisting the maintenance bracket, and then installing the ladder stand on the maintenance bracket in a turnover manner; the two detection supports are respectively buckled on flanges corresponding to the top of the stator, and then the bottom of the ladder stand on the detection supports is supported on the ground;
and step S3, connecting the safety guardrails on the rear sides of the two detection brackets together by adopting a connecting guardrail, and connecting the safety guardrails on the front sides of the two detection brackets together by adopting a connecting guardrail.
in the above construction method of the present invention, the detection support includes a first support surface and a second support surface which are arranged in parallel; the first supporting surface and the second supporting surface are connected through a connecting ladder to form a second-level ladder;
In step S1, the safety barrier is installed on the second support surface;
in step S2, the second support surface is fastened to the flange; the ladder stand is arranged on the first supporting surface in a reversible way.
in the above construction method of the present invention, step S2 further includes: fixedly mounting a support rod on the first support surface, and enabling the support rod to be arranged in parallel with the climbing direction of the ladder stand; then the connecting cross rod is respectively and fixedly connected with the climbing direction of the ladder stand and the supporting rod in a vertical mode.
according to the nuclear power hydrogen cooler overhauling platform and the construction method thereof, a large amount of pioneering technical research and development are carried out, on one hand, the platform can be quickly installed during the operation of a generator, the basic requirements of the safety of the overhauling industry of a hydrogen system are met, on the other hand, the phenomenon that personnel touch an instrument control probe by mistake in the installation process can be avoided, and therefore the false alarm of a unit is avoided. The nuclear power hydrogen cooler overhauling platform and the building method thereof are convenient to install, stable and safe in support, save a large amount of overhauling time and are beneficial to on-site standardized management.
drawings
the invention is further described below with reference to the accompanying drawings:
FIG. 1 shows a schematic structural diagram of a nuclear power hydrogen cooler service platform according to a preferred embodiment of the invention;
FIG. 2 is a schematic structural view of the nuclear power hydrogen cooler overhaul platform shown in FIG. 1 in another direction;
FIG. 3 is a schematic structural view of the nuclear power hydrogen cooler overhaul platform shown in FIG. 1 in another direction.
Detailed Description
The invention aims to provide a nuclear power hydrogen cooler overhauling platform which is simple to lay, stable and safe to support, convenient to operate and concise and elegant in appearance on a nuclear power overhaul site, so that the error collision of precision instrument control equipment is protected, the platform can be quickly installed during the running period of a generator, and the basic requirement of the safety of the hydrogen system overhauling industry is met.
In order to make the technical solutions, technical objects, and technical effects of the present invention clearer so as to enable those skilled in the art to understand and implement the present invention, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, fig. 1 shows a schematic structural diagram of a nuclear power hydrogen cooler overhaul platform according to a preferred embodiment of the present invention, fig. 2 shows a schematic structural diagram of the nuclear power hydrogen cooler overhaul platform shown in fig. 1 in another direction, and fig. 3 shows a schematic structural diagram of the nuclear power hydrogen cooler overhaul platform shown in fig. 1 in yet another direction. Specifically, the nuclear power hydrogen cooler maintenance platform is spanned on the stator 10; a flange 11 is respectively arranged at the left edge and the right edge of the top of the stator 10; the nuclear power hydrogen cooler overhauling platform comprises two detection supports 1, the two detection supports 1 correspond to two flanges 11 on the top of a stator 10 one by one, and the detection supports 1 are buckled on the corresponding flanges 11; each detection support 1 is vertically provided with a safety guardrail 2 at the front side and the rear side; the nuclear power hydrogen cooler overhauling platform also comprises two connecting guardrails 3 which are respectively connected between the safety guardrails 2 at the rear sides of the two detection brackets 1 and between the safety guardrails 2 at the front sides of the two detection brackets 1; a detachable railing 7 is detachably arranged between the two safety guardrails 2 on each detection bracket 1; each detection bracket 1 is provided with a ladder stand 8 in a turnable way, and the bottom of the ladder stand 8 is supported on the ground.
In the technical scheme, the positioning between the nuclear power hydrogen cooler overhauling platform and the stator 10 and the firm fixation between the nuclear power hydrogen cooler overhauling platform and the stator 10 are realized by detecting the mounting structure between the support 1 and the flange 11. By adopting the connecting guardrail 3, the relative position between the two detection brackets 1 is determined, and the two detection brackets 1 are connected. Can dismantle railing 7 through the adoption and realize detecting the connection between two safety barrier 2 on the support 1 to improve the wholeness and the safety in utilization that nuclear power hydrogen cooler overhauld the platform.
specifically, the detection bracket 1 is mainly formed by assembling and welding 304 stainless steel rectangular square tubes, round tubes, stainless steel meshes and aluminum alloy plates.
furthermore, safety belt binding positions are specially designed on the safety guardrails, and personnel safety protection is facilitated.
In order to prevent articles such as tools from falling off in the maintenance process, a stainless steel mesh is specially designed between the safety guardrails, and the requirement of preventing foreign matters in the overhaul process is met.
further, the detection bracket 1 comprises a first support surface 12 and a second support surface 9 which are arranged in parallel; the first supporting surface 12 and the second supporting surface 9 are connected through a connecting ladder 5 to form a secondary ladder; the second supporting surface 9 is respectively connected with the flange 11 and the safety barrier 2 in an installing way; the first support surface 12 is connected to the ladder 8. Here, the two-step structure is designed to facilitate the installation and fixation of the detection bracket 1, and to meet the requirements of the maintenance personnel for the multiple inspections of the equipment (hydrogen cooler).
Further, the nuclear power hydrogen cooler overhaul platform further comprises a support rod 4 which is arranged in parallel with the climbing direction of the ladder stand 8 and is arranged on the first support surface 12, and a connecting cross rod 6 which is respectively connected with the climbing direction of the ladder stand 8 and the support rod 4 in a perpendicular mode.
Further, the bottom of the ladder stand 8 is provided with an adjusting foot 13. By adjusting the feet 13, the ladder 8 can be supported on the ground.
Further, the invention also provides a building method of the nuclear power hydrogen cooler overhauling platform, which comprises the following steps:
Step S1, vertically installing a safety barrier 2 on the front side and the rear side of each detection support 1; a detachable railing 7 is arranged between the two safety guardrails 2 on each detection bracket 1;
Step S2, hoisting the maintenance bracket 1, and then installing the ladder stand 8 on the maintenance bracket 1 in a turnover manner; the two detection brackets 1 are respectively buckled on the corresponding flanges 11 at the top of the stator, and then the bottom of the ladder stand 8 on the detection brackets is supported on the ground; preferably, the flanges 11 are arranged horizontally, and care needs to be taken to adjust the level when mounting the test carriage 1 on the corresponding flange 11.
And step S3, connecting the safety barriers 2 at the rear sides of the two detection brackets 1 together by adopting a connecting guardrail 3, and connecting the safety barriers 2 at the front sides of the two detection brackets 1 together by adopting a connecting guardrail 3. Here, by connecting the guard rails 3, the two service brackets are integrated, ensuring integrity and safety.
Further, in the above technical solution, the detecting bracket 1 includes a first supporting surface 12 and a second supporting surface 9 which are arranged in parallel; the first supporting surface 12 and the second supporting surface 9 are connected through a connecting ladder 5 to form a secondary ladder;
In step S1, the safety barrier 2 is mounted on the second support surface 9;
In step S2, the second support surface 9 is fastened to the flange 11; the ladder 8 is pivotably mounted on the first support surface 12.
Here, after the ladder stand 8 is mounted on the first support surface 12, the orientation of the ladder stand 8 is adjusted such that the climbing direction of the ladder stand 8 is vertically arranged; and then the positioning bolt is adopted for fixing and screwing.
Further, step S2 further includes: the supporting rod 4 is fixedly arranged on the first supporting surface 12, and the supporting rod 4 and the climbing direction of the ladder stand 8 are arranged in parallel; then the connecting cross bar 6 is respectively and fixedly connected with the climbing ladder 8 and the support bar 4 in the vertical climbing direction.
according to the nuclear power hydrogen cooler overhauling platform and the construction method thereof, a large amount of pioneering technical research and development are carried out, on one hand, the platform can be quickly installed during the operation of a generator, the basic requirements of the safety of the overhauling industry of a hydrogen system are met, on the other hand, the phenomenon that personnel touch an instrument control probe by mistake in the installation process can be avoided, and therefore the false alarm of a unit is avoided. The nuclear power hydrogen cooler overhauling platform and the building method thereof are convenient to install, stable and safe in support, save a large amount of overhauling time and are beneficial to on-site standardized management.
while the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A nuclear power hydrogen cooler maintenance platform is characterized in that the platform is arranged on a stator (10) in a spanning mode; a flange (11) is respectively arranged at the left edge and the right edge of the top of the stator (10); the nuclear power hydrogen cooler overhauling platform comprises two detection supports (1), the two detection supports (1) correspond to two flanges (11) on the top of a stator (10) one by one, and the detection supports (1) are buckled on the corresponding flanges (11); each detection support (1) is vertically provided with a safety guardrail (2) at the front side and the rear side; the nuclear power hydrogen cooler overhauling platform also comprises two connecting guardrails (3) which are respectively connected between the safety guardrails (2) at the rear sides of the two detection brackets (1) and between the safety guardrails (2) at the front sides of the two detection brackets (1); a detachable railing (7) is detachably arranged between the two safety guardrails (2) on each detection bracket (1); each detection support (1) is provided with a ladder stand (8) in a turnable way, and the bottom of the ladder stand (8) is supported on the ground.
2. The nuclear power hydrogen cooler overhaul platform of claim 1, wherein the detection bracket (1) comprises a first support surface (12) and a second support surface (9) arranged in parallel; the first supporting surface (12) and the second supporting surface (9) are connected through a connecting ladder (5) to form a two-stage ladder; the second supporting surface (9) is respectively connected with the flange (11) and the safety barrier (2); the first supporting surface (12) is connected with the ladder stand (8).
3. The nuclear power hydrogen cooler overhaul platform according to claim 2, further comprising a support rod (4) arranged in parallel with the climbing direction of the ladder (8) and mounted on the first support surface (12), and a connecting cross rod (6) respectively connected with the climbing direction of the ladder (8) and the support rod (4) in a perpendicular manner.
4. The nuclear power hydrogen cooler overhaul platform of claim 3, wherein the bottom of the ladder (8) is provided with an adjusting foot (13).
5. A building method of the nuclear power hydrogen cooler overhauling platform according to claim 1, which is characterized by comprising the following steps:
Step S1, vertically installing a safety barrier (2) on the front side and the rear side of each detection support (1); a detachable railing (7) is arranged between the two safety guardrails (2) on each detection bracket (1);
Step S2, hoisting the maintenance support (1), and then installing the ladder stand (8) on the maintenance support (1) in a turnover manner; the two detection brackets (1) are respectively buckled on the corresponding flanges (11) at the top of the stator, and then the bottom of the ladder stand (8) on the detection brackets is supported on the ground;
And S3, connecting the safety guardrails (2) at the rear sides of the two detection brackets (1) together by adopting a connecting guardrail (3), and connecting the safety guardrails (2) at the front sides of the two detection brackets (1) together by adopting a connecting guardrail (3).
6. A building method according to claim 5, characterised in that the detection bracket (1) comprises a first support face (12) and a second support face (9) arranged in parallel; the first supporting surface (12) and the second supporting surface (9) are connected through a connecting ladder (5) to form a two-stage ladder;
in step S1, the safety barrier (2) is mounted on the second support surface (9);
In step S2, the second support surface (9) is fastened to the flange (11); the ladder (8) is mounted on the first support surface (12) in a reversible manner.
7. the construction method according to claim 6, characterized in that step S2 further comprises: the supporting rod (4) is fixedly arranged on the first supporting surface (12), and the supporting rod (4) and the climbing direction of the ladder stand (8) are arranged in parallel; then a connecting cross rod (6) is respectively and fixedly connected with the climbing direction of the ladder stand (8) and the supporting rod (4) in a vertical mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828090.6A CN110580962A (en) | 2019-09-03 | 2019-09-03 | Nuclear power hydrogen cooler overhauling platform and building method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828090.6A CN110580962A (en) | 2019-09-03 | 2019-09-03 | Nuclear power hydrogen cooler overhauling platform and building method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110580962A true CN110580962A (en) | 2019-12-17 |
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ID=68812609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910828090.6A Pending CN110580962A (en) | 2019-09-03 | 2019-09-03 | Nuclear power hydrogen cooler overhauling platform and building method thereof |
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| Country | Link |
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| CN (1) | CN110580962A (en) |
Citations (7)
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|---|---|---|---|---|
| KR20130010217A (en) * | 2011-07-18 | 2013-01-28 | 한전케이피에스 주식회사 | Scaffolder for checking the generator stator |
| CN205271974U (en) * | 2015-11-30 | 2016-06-01 | 金川集团股份有限公司 | Platform is overhauld in travelling hoist grab bucket |
| CN107476557A (en) * | 2017-07-31 | 2017-12-15 | 张志通 | A kind of architectural engineering staircase trick maintenance work frame |
| CN206828042U (en) * | 2017-05-08 | 2018-01-02 | 中国葛洲坝集团机电建设有限公司 | A kind of inspection platform of power station main building rack illuminator |
| US20190136626A1 (en) * | 2017-11-07 | 2019-05-09 | General Electric Company | External ladder assembly for wind turbine nacelle |
| CN209000697U (en) * | 2018-12-19 | 2019-06-18 | 保定天威保变电气股份有限公司 | A kind of high-power transformer oil conservater maintenance operating platform |
| CN210722483U (en) * | 2019-09-03 | 2020-06-09 | 阳江核电有限公司 | Nuclear power hydrogen cooler overhauling platform |
-
2019
- 2019-09-03 CN CN201910828090.6A patent/CN110580962A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130010217A (en) * | 2011-07-18 | 2013-01-28 | 한전케이피에스 주식회사 | Scaffolder for checking the generator stator |
| CN205271974U (en) * | 2015-11-30 | 2016-06-01 | 金川集团股份有限公司 | Platform is overhauld in travelling hoist grab bucket |
| CN206828042U (en) * | 2017-05-08 | 2018-01-02 | 中国葛洲坝集团机电建设有限公司 | A kind of inspection platform of power station main building rack illuminator |
| CN107476557A (en) * | 2017-07-31 | 2017-12-15 | 张志通 | A kind of architectural engineering staircase trick maintenance work frame |
| US20190136626A1 (en) * | 2017-11-07 | 2019-05-09 | General Electric Company | External ladder assembly for wind turbine nacelle |
| CN209000697U (en) * | 2018-12-19 | 2019-06-18 | 保定天威保变电气股份有限公司 | A kind of high-power transformer oil conservater maintenance operating platform |
| CN210722483U (en) * | 2019-09-03 | 2020-06-09 | 阳江核电有限公司 | Nuclear power hydrogen cooler overhauling platform |
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