CN113525488A - Multifunctional transport vehicle for tool of transformer substation - Google Patents
Multifunctional transport vehicle for tool of transformer substation Download PDFInfo
- Publication number
- CN113525488A CN113525488A CN202110976456.1A CN202110976456A CN113525488A CN 113525488 A CN113525488 A CN 113525488A CN 202110976456 A CN202110976456 A CN 202110976456A CN 113525488 A CN113525488 A CN 113525488A
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- CN
- China
- Prior art keywords
- gas cylinder
- clamping device
- platform
- jaw
- motor
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
- B62B2202/02—Cylindrically-shaped articles, e.g. drums, barrels, flasks
- B62B2202/022—Gas bottles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
- B62B2202/60—Motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2203/00—Grasping, holding, supporting the objects
- B62B2203/60—Positioning, means on a cart for loads
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention provides a multifunctional transport vehicle for a tool device of a transformer substation, which comprises a flat car, wherein a gas cylinder clamping device is movably arranged at the end part of a platform of the flat car, a motor clamping device and a driving device for driving the gas cylinder clamping device are arranged in the middle of the platform of the flat car, and the gas cylinder clamping device is connected with the driving device. The invention has the following beneficial effects: be equipped with motor clamping device and gas cylinder clamping device on the flatbed, be convenient for carry motor and gas cylinder, the taut rope of drive arrangement rolling can make gas cylinder clamping device press from both sides tight gas cylinder to make the baffle of leaning on the pole bottom break away from ground, make things convenient for the flatbed to remove, and flatbed accessible transport motor and gas cylinder improve handling efficiency, and the handle can control dull and stereotyped direction of advance, and the flatbed of being convenient for uses.
Description
Technical Field
The invention relates to the technical field of electric power operation and maintenance, in particular to a multifunctional transport vehicle for a tool of a transformer substation.
Background
Due to the important function of the transformer substation in the power grid, the requirements on the operation and maintenance level and the overhaul efficiency of the transformer substation are also more strict. The operation and maintenance business of the conventional transformer substation rises year by year, the operation and maintenance business comprises 100 operation and maintenance businesses, the professional and responsible maintenance business, equipment, spare parts and tools need to be transported in large quantities, the traditional manual transportation is delayed, the labor is strong, the time and the labor are wasted, and the efficiency is low.
At present, the equipment, spare parts and tools of the transformer substation are transported by a crane, but the crane cannot be used in a narrow space, and needs a professional to operate, so that the adaptability is low, a manual transportation mode is still adopted in the field working process, but the manual transportation difficulty is high, the maintenance and repair working time is prolonged, the efficiency is low, and in the transportation process, the transportation articles such as a motor and a gas cylinder are easily damaged due to vibration or collision.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multifunctional transport vehicle for a tool device of a transformer substation, which solves the problem that transported articles such as a motor and a gas cylinder are difficult to transport in the prior art.
The technical scheme of the invention is realized as follows:
the utility model provides a multi-functional transport vechicle of instrument ware of transformer substation, includes the flatbed, the platform tip activity of flatbed is equipped with gas cylinder clamping device, the platform middle part of flatbed is equipped with motor clamping device and the drive arrangement who is used for driving gas cylinder clamping device, gas cylinder clamping device is connected with drive arrangement, drive arrangement can make gas cylinder clamping device press from both sides the gas cylinder and tightly make it rotate certain angle, make things convenient for the gas cylinder transportation, motor clamping device can press from both sides the convenient transportation of tight motor to the flatbed can transport gas cylinder and motor simultaneously.
The driving device comprises a winding motor and a winding wheel, the winding motor is fixedly arranged on the bottom surface of the platform, the winding wheel is rotatably arranged on the ground of the platform, a main shaft of the winding motor is connected with the winding wheel, the winding motor can drive the winding wheel to rotate, a tensioning rope is wound on the winding wheel and is connected with the gas cylinder clamping device, the winding wheel rotates to wind the tensioning rope, and the tensioning rope can clamp the gas cylinder by the gas cylinder clamping device and enable the gas cylinder to rotate by a certain angle, so that the gas cylinder is convenient to transport.
The upper plane of the platform is rotatably provided with a guide wheel, the platform is provided with a line hole, the free end of the tensioning rope sequentially penetrates through the line hole and the guide wheel to be connected with the gas cylinder clamping device, and the guide wheel plays a role in guiding the tensioning rope, so that the tensioning rope is prevented from contacting the edge of the line hole, and the tensioning rope or the line hole is prevented from being abraded.
The gas cylinder clamping device comprises a backup rod, the backup rod is connected with the platform in a rotating mode, a baffle is arranged at the lower end of the backup rod, an upper clamping jaw and a lower clamping jaw are movably arranged on the backup rod, the upper clamping jaw is connected with the lower clamping jaw through a connecting rod, the tail portion of the upper clamping jaw is connected with the free end of a tensioning rope, the tensioning rope is wound to enable the upper clamping jaw to clamp the gas cylinder, meanwhile, the lower clamping jaw clamps the gas cylinder under the action of the connecting rod, the winding rope continues to be wound to pull the backup rod to rotate by a certain angle, the baffle at the bottom of the backup rod is separated from the ground, and gas cylinder transportation is facilitated.
Go up the jack catch and include jack catch I and jack catch II, jack catch I and jack catch II cross arrangement, and the afterbody of jack catch I and jack catch II all with being connected of taut rope, jack catch I and jack catch II closed clamp gas cylinder after the taut rope rolling.
And an extension spring is arranged on the outer side of the upper jaw, two ends of the extension spring are respectively connected with the jaw I and the jaw II, and the jaw I and the jaw II are opened under the action of the extension spring after the tensioning rope is loosened to loosen the gas cylinder.
The end part of the platform is provided with a support, the middle part of the leaning rod is provided with a connecting plate, the support is connected with the connecting plate through a pin shaft, and the leaning rod can rotate along the pin shaft under the action of the tensioning rope.
Motor clamping device is including the guide rail and the two-way lead screw of mutual parallel arrangement, the fixed bottom surface that sets up at the platform of guide rail, two-way lead screw rotates the bottom surface that sets up at the platform, it is equipped with slider I and slider II to slide on the guide rail, slider I and slider II all are connected with two-way lead screw thread fit, and slider I and slider II set up respectively at two-way lead screw both ends, be equipped with the splint of mutual arrangement on slider I and the slider II, two-way lead screw rotates and drives slider I and slider II or opposite movement in opposite directions, and then drive splint and press from both sides tightly or loosen the motor.
The platform is provided with a slide way, the clamping plate penetrates through the slide way to upwards extend out of the platform, and the end part of the bidirectional screw rod is provided with a handle which is convenient for rotating the bidirectional screw rod.
One end of the platform, which is far away from the gas cylinder clamping device, is provided with a pedal and a handle, the control panel is arranged on the handle, an operator stands on the pedal to operate the handle and the operation panel, and the motion direction of the control flat car and the gas cylinder clamping device clamp or loosen a gas cylinder.
The invention has the following beneficial effects: be equipped with motor clamping device and gas cylinder clamping device on the flatbed, be convenient for carry motor and gas cylinder, the taut rope of drive arrangement rolling can make gas cylinder clamping device press from both sides tight gas cylinder to make the baffle of leaning on the pole bottom break away from ground, make things convenient for the flatbed to remove, and flatbed accessible transport motor and gas cylinder improve handling efficiency, and the handle can control dull and stereotyped direction of advance, and the flatbed of being convenient for uses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a main view of a multifunctional transportation vehicle for a substation tool.
Fig. 2 is a top view of a multifunctional transportation vehicle for substation tools.
Fig. 3 is a schematic structural diagram of a transportation gas cylinder of the transportation vehicle.
Fig. 4 is a schematic structural diagram of a transport motor of the transport vehicle.
Fig. 5 is a schematic structural view of the motor clamping device.
Fig. 6 is a schematic structural view of the gas cylinder clamping device.
In the figure: 1-handle, 2-control panel, 3-platform, 31-slideway, 32-wire through hole, 4-motor clamping device, 41-guide rail, 42-slide block I, 43-bidirectional screw rod, 44-handle, 45-clamping plate, 46-slide block II, 5-winding motor, 6-winding wheel, 7-guide wheel, 8-tensioning rope, 9-upper jaw, 91-tension spring, 92-jaw I, 93-jaw II, 10-leaning rod, 101-connecting plate, 11-support, 12-connecting rod, 13-lower jaw, 14-baffle, 15-wheel, 16-pedal and 17-control box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Further, as shown in fig. 3, the driving device includes a winding motor 5 and a winding wheel 6, the winding motor 5 is fixedly arranged on the bottom surface of the platform 3, the winding wheel 6 is rotatably arranged on the bottom surface of the platform 3, a spindle of the winding motor 5 is connected with the winding wheel 6, the winding motor 5 drives the winding wheel 6 to rotate, a tensioning rope 8 is wound on the winding wheel 6, the tensioning rope 8 is connected with the gas cylinder clamping device, and the winding wheel 6 rotates to enable the tensioning rope 8 to tension or loosen the gas cylinder clamping device. The upper plane of the platform 3 rotates to be provided with a guide wheel 7, the platform 3 is provided with a line hole 32, the free end of the tensioning rope 8 sequentially penetrates through the line hole 32 and the guide wheel 7 to be connected with the gas cylinder clamping device, the guide wheel 7 guides the tensioning rope 8, and the situation that the tensioning rope 8 is in contact with the edge of the line hole 32 to cause abrasion and influence on the use of the gas cylinder clamping device is avoided.
Further, as shown in fig. 2 and fig. 6, the gas cylinder clamping device includes a backup rod 10, the backup rod 10 is rotatably connected to the platform 3, a support 11 is disposed at an end of the platform 3, a connecting plate 101 is disposed in a middle of the backup rod 10, the support 11 is connected to the connecting plate 101 through a pin, a baffle 14 is disposed at a lower end of the backup rod 10, the backup rod 10 can rotate around the pin to separate the baffle 14 at the lower end of the backup rod 10 from the ground, so that the gas cylinder can be transported conveniently, an upper jaw 9 and a lower jaw 13 are movably disposed on the backup rod 10, the upper jaw 9 is connected to the lower jaw 13 through a connecting rod 12, the lower jaw 13 can be driven by the connecting rod 12 to clamp the gas cylinder when the upper jaw 9 clamps the gas cylinder, the upper jaw 9 and the lower jaw 13 jointly clamp the gas cylinder to ensure the stability of the gas cylinder, a tail of the upper jaw 9 is connected to a free end of a tension rope 8, and the tension rope 8 tightens or loosens the upper jaw 9 to clamp or loosen the gas cylinder.
Further, go up jack catch 9 and include jack catch I92 and jack catch II 93, jack catch I92 and jack catch II 93 are crossed and are arranged, and the afterbody of jack catch I92 and jack catch II 93 all with the connection of taut rope 8, when taut rope 8 was taut, jack catch I92 and jack catch II 93 closed and press from both sides tight gas cylinder. Go up the outside of jack catch 9 and be equipped with extension spring 91, extension spring 91 both ends are connected jack catch I92 and jack catch II 93 respectively, and when the taut rope 8 loosened, jack catch I92 and jack catch II 93 opened under extension spring's effect, loosen the gas cylinder.
Further, be equipped with slide 31 on the platform 3, splint 45 pass slide 31 and upwards stretch out platform 3, and platform 3 is through supporting the motor, and splint 45 stretches out platform 3 and presss from both sides tight spacing to the motor, guarantees the stability of motor in handling.
The other structure is the same as that of embodiment 1.
The use of transport vechicle when carrying the gas cylinder: an operator stands on a pedal 16, the motion direction of the flat car is controlled by a handle 1, the flat car is operated to enable a gas cylinder clamping device to be close to a gas cylinder, the operator controls a winding motor 5 to rotate through an operation panel 2 and a control box 17, a winding wheel 6 is enabled to wind a tensioning rope 8, the tensioning rope 8 tensions a clamping jaw 9, a clamping jaw I92 and a clamping jaw II 93 are enabled to close and clamp the gas cylinder, the gas cylinder is located on a baffle 14, the tensioning rope 8 is continuously wound to enable a backup rod 10 to rotate along a support 11, the baffle 14 is separated from the ground, the flat car is driven to move to carry the gas cylinder at the moment, the operator controls the winding motor 5 to rotate reversely through the operation panel 2 and the control box 17 after the gas cylinder is carried to a designated position, the tensioning rope 8 is released from the winding wheel 6, the backup rod 10 rotates to the original position under the gravity action of the gas cylinder, then the clamping jaw I92 and the clamping jaw II 93 are opened under the action of a tension spring 91 to release the gas cylinder, the gas cylinder is separated from the gas cylinder clamping device, and the gas cylinder is carried.
Use of transport vehicle when carrying motor: an operator rotates the handle 44 to open the clamping plates 45 on the sliding block I42 and the sliding block II 46, the motor is placed between the clamping plates 45, the handle 44 is rotated reversely to enable the sliding block I42 and the clamping plates 45 on the sliding block II 46 to be close to each other, the clamping plates 45 clamp and fix the motor, then the operator stands on the pedal plate 16, the movement direction of the flat car is controlled through the handle 1, the flat car is moved to a designated position, the operator rotates the handle 44 to open the clamping plates 45, the motor is released, the motor is detached from the flat car, and the motor is conveyed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a multi-functional transport vechicle of instrument ware of transformer substation, includes the flatbed, its characterized in that, platform (3) tip activity of flatbed is equipped with gas cylinder clamping device, and platform (3) middle part of flatbed is equipped with motor clamping device (4) and is used for driving gas cylinder clamping device's drive arrangement, and gas cylinder clamping device is connected with drive arrangement.
2. The multifunctional transport cart for the tool equipment of the transformer substation as claimed in claim 1, wherein the driving device comprises a winding motor (5) and a winding wheel (6), the winding motor (5) is fixedly arranged on the bottom surface of the platform (3), a main shaft of the winding motor (5) is connected with the winding wheel (6), a tensioning rope (8) is wound on the winding wheel (6), and the tensioning rope (8) is connected with the gas cylinder clamping device.
3. The multifunctional transportation vehicle for the tool equipment of the transformer substation as claimed in claim 2, wherein a guide wheel (7) is rotatably arranged on the upper plane of the platform (3), a wire through hole (32) is formed in the platform (3), and the free end of the tension rope (8) sequentially passes through the wire through hole (32) and the guide wheel (7) to be connected with the gas cylinder clamping device.
4. The multifunctional transport cart for the tool equipment of the transformer substation as claimed in claim 2 or 3, wherein the gas cylinder clamping device comprises a leaning rod (10), the leaning rod (10) is rotatably connected with the platform (3), a baffle (14) is arranged at the lower end of the leaning rod (10), an upper clamping jaw (9) and a lower clamping jaw (13) are movably arranged on the leaning rod (10), the upper clamping jaw (9) is connected with the lower clamping jaw (13) through a connecting rod (12), and the tail part of the upper clamping jaw (9) is connected with the free end of the tensioning rope (8).
5. The multifunctional substation toolware transport vehicle as claimed in claim 4, wherein the upper jaw (9) comprises a jaw I (92) and a jaw II (93), the jaw I (92) and the jaw II (93) are arranged in a crossed manner, and the tail parts of the jaw I (92) and the jaw II (93) are connected with the tension rope (8).
6. The multifunctional substation tool transporter according to claim 5, wherein an extension spring (91) is arranged on the outer side of the upper jaw (9), and two ends of the extension spring (91) are respectively connected with the jaw I (92) and the jaw II (93).
7. The multifunctional transportation vehicle for the substation toolware as claimed in claim 6, wherein a support (11) is arranged at the end of the platform (3), a connecting plate (101) is arranged in the middle of the leaning rod (10), and the support (11) is connected with the connecting plate (101) through a pin shaft.
8. The multifunctional transport vehicle for the tool equipment of the transformer substation as claimed in claim 1, 2, 5 or 7, wherein the motor clamping device (4) comprises a guide rail (41) and a bidirectional lead screw (43) which are arranged in parallel, the guide rail (41) is fixedly arranged on the bottom surface of the platform (3), the bidirectional lead screw (43) is rotatably arranged on the bottom surface of the platform (3), a sliding block I (42) and a sliding block II (46) are arranged on the guide rail (41) in a sliding manner, the sliding block I (42) and the sliding block II (46) are both in threaded fit connection with the bidirectional lead screw (43), the sliding block I (42) and the sliding block II (46) are respectively arranged at two ends of the bidirectional lead screw (43), and clamping plates (45) which are arranged oppositely are arranged on the sliding block I (42) and the sliding block II (46).
9. The multifunctional transportation vehicle for substation tools and equipment according to claim 8, characterized in that the platform (3) is provided with a slideway (31), and the clamping plate (45) passes through the slideway (31) and extends upwards out of the platform (3).
10. The multifunctional transportation vehicle for the tool equipment of the transformer substation as claimed in claim 1, 5 or 9, wherein a pedal (16) and a handle (1) are arranged at one end of the platform (3) far away from the gas cylinder clamping device, and a control panel (2) is arranged on the handle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976456.1A CN113525488A (en) | 2021-08-24 | 2021-08-24 | Multifunctional transport vehicle for tool of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976456.1A CN113525488A (en) | 2021-08-24 | 2021-08-24 | Multifunctional transport vehicle for tool of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113525488A true CN113525488A (en) | 2021-10-22 |
Family
ID=78092036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110976456.1A Pending CN113525488A (en) | 2021-08-24 | 2021-08-24 | Multifunctional transport vehicle for tool of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113525488A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB659743A (en) * | 1948-01-13 | 1951-10-24 | Arthur Gillard Cove | An accessory for use in conjunction with hydraulic or mechanical jacks |
| CN102336207A (en) * | 2011-08-09 | 2012-02-01 | 四川欧曼机械有限公司 | Manual carriage trolley capable of crossing obstacles |
| CN206217947U (en) * | 2016-08-26 | 2017-06-06 | 新兴能源装备股份有限公司 | A kind of gas cylinder handcart |
| CN107191782A (en) * | 2017-06-09 | 2017-09-22 | 国网辽宁省电力有限公司朝阳供电公司 | SF6 gas tonifying Qi special operation cars |
| CN107792136A (en) * | 2017-10-25 | 2018-03-13 | 国网青海省电力公司海北供电公司 | A kind of power network gas cylinder travelling bogie |
| CN207657863U (en) * | 2017-12-20 | 2018-07-27 | 成都正通航空设备有限责任公司 | A kind of gas cylinder transport vehicle |
| CN208842447U (en) * | 2018-10-07 | 2019-05-10 | 衡水瀚润橡塑制品有限公司 | A kind of handling device of gas cylinder |
| CN209814074U (en) * | 2019-03-28 | 2019-12-20 | 衡水瀚润橡塑制品有限公司 | Liftable gas cylinder handling device |
| CN112249191A (en) * | 2020-11-02 | 2021-01-22 | 北京卫星环境工程研究所 | Multifunctional automatic remote control gas cylinder truck for gas cylinder transportation |
| CN112758226A (en) * | 2021-02-26 | 2021-05-07 | 国网河南省电力公司检修公司 | Multifunctional operation and maintenance operation vehicle for extra-high voltage direct current phase modulator station |
-
2021
- 2021-08-24 CN CN202110976456.1A patent/CN113525488A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB659743A (en) * | 1948-01-13 | 1951-10-24 | Arthur Gillard Cove | An accessory for use in conjunction with hydraulic or mechanical jacks |
| CN102336207A (en) * | 2011-08-09 | 2012-02-01 | 四川欧曼机械有限公司 | Manual carriage trolley capable of crossing obstacles |
| CN206217947U (en) * | 2016-08-26 | 2017-06-06 | 新兴能源装备股份有限公司 | A kind of gas cylinder handcart |
| CN107191782A (en) * | 2017-06-09 | 2017-09-22 | 国网辽宁省电力有限公司朝阳供电公司 | SF6 gas tonifying Qi special operation cars |
| CN107792136A (en) * | 2017-10-25 | 2018-03-13 | 国网青海省电力公司海北供电公司 | A kind of power network gas cylinder travelling bogie |
| CN207657863U (en) * | 2017-12-20 | 2018-07-27 | 成都正通航空设备有限责任公司 | A kind of gas cylinder transport vehicle |
| CN208842447U (en) * | 2018-10-07 | 2019-05-10 | 衡水瀚润橡塑制品有限公司 | A kind of handling device of gas cylinder |
| CN209814074U (en) * | 2019-03-28 | 2019-12-20 | 衡水瀚润橡塑制品有限公司 | Liftable gas cylinder handling device |
| CN112249191A (en) * | 2020-11-02 | 2021-01-22 | 北京卫星环境工程研究所 | Multifunctional automatic remote control gas cylinder truck for gas cylinder transportation |
| CN112758226A (en) * | 2021-02-26 | 2021-05-07 | 国网河南省电力公司检修公司 | Multifunctional operation and maintenance operation vehicle for extra-high voltage direct current phase modulator station |
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| PB01 | Publication | ||
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Application publication date: 20211022 |