CN111082352A - Maintenance vehicle for box type transformer substation - Google Patents
Maintenance vehicle for box type transformer substation Download PDFInfo
- Publication number
- CN111082352A CN111082352A CN202010045586.9A CN202010045586A CN111082352A CN 111082352 A CN111082352 A CN 111082352A CN 202010045586 A CN202010045586 A CN 202010045586A CN 111082352 A CN111082352 A CN 111082352A
- Authority
- CN
- China
- Prior art keywords
- frame
- clamping
- manipulator
- clamping head
- maintenance vehicle
- 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
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/20—Chain, belt, or friction drives, e.g. incorporating sheaves of fixed or variable ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/015—Actuated by chain, belt or by friction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Robotics (AREA)
- Handcart (AREA)
Abstract
The invention discloses a box-type substation maintenance vehicle, which belongs to the technical field of tools for maintaining substations and comprises a vehicle frame, wherein wheels are arranged at the bottom of the vehicle frame, a clamping mechanism is connected on the vehicle frame in a sliding manner, a horizontal driving mechanism for driving the clamping mechanism to horizontally move along the vehicle frame is also arranged on the vehicle frame, the clamping mechanism comprises a moving frame, a fastening barrel and a manipulator, the moving frame is connected with the horizontal driving mechanism, the fastening barrel is arranged on the moving frame, a locking screw rod with adjustable length is sleeved in the fastening barrel, the first end of the locking screw rod extends out of the first end of the fastening barrel and is connected with an adjusting knob, and the second end of the locking screw rod is connected with the first; the second end of the manipulator extends out of the second end of the fastening cylinder, the second end of the manipulator is a clamping end, and the manipulator is a double-hinged scissor-type manipulator. The invention adopts the mechanical arm to replace manual operation to enter the cabinet body for construction and replacement of the fuse, and has the advantages of convenient use, safety and high efficiency.
Description
Technical Field
The invention belongs to the technical field of tools for maintaining a transformer substation, and particularly relates to a box-type transformer substation maintenance vehicle.
Background
At present at urban power system, photoelectricity, the extensive box-type substation that uses of wind-powered electricity generation system, when the maintenance of transformer substation, in order to ensure maintenance personal's safety, need install insulating barrier additional and keep apart the high-voltage electrification body, all adopt the manual work to lift up and insert in the transformer substation box at present to keep apart electrified part and uncharged part, but insulating barrier is heavier, inserts the transformer substation incasement very hard. In addition, when the fuse is required to be replaced during maintenance, maintenance personnel are required to enter the high-voltage box for construction, and the maintenance personnel are difficult, complicated, high in replacement difficulty and inconvenient to operate.
Disclosure of Invention
The invention aims to provide a box-type substation maintenance vehicle, which adopts a manipulator to replace manual operation to enter a cabinet body for construction and replacement of a fuse and has the advantages of convenience in use, safety and high efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: the box-type substation maintenance vehicle comprises a frame, wheels are arranged at the bottom of the frame, a clamping mechanism is connected onto the frame in a sliding mode, a horizontal driving mechanism for driving the clamping mechanism to move horizontally along the frame is further arranged on the frame, the clamping mechanism comprises a moving frame, a fastening cylinder and a manipulator, the moving frame is connected with the horizontal driving mechanism, the fastening cylinder is mounted on the moving frame, a locking screw rod with adjustable length is sleeved in the fastening cylinder, the first end of the locking screw rod extends out of the first end of the fastening cylinder and is connected with an adjusting knob, and the second end of the locking screw rod is connected with the first end of the manipulator; the second end of the manipulator extends out of the second end of the fastening cylinder, the second end of the manipulator is a clamping end, and the manipulator is a double-hinge scissor-type manipulator.
Preferably, the manipulator comprises two groups of clamping claws which are consistent in structure and hinged to each other, the two groups of clamping claws are respectively a first clamping claw and a second clamping claw, the first clamping claw comprises a first connecting rod and a first clamping head, and the second clamping claw comprises a second connecting rod and a second clamping head;
the first end of the first connecting rod and the first end of the second connecting rod are hinged and then connected with the second end of the locking screw rod, the second end of the first connecting rod is hinged and connected with the first end of the first clamping head, the second end of the second connecting rod is hinged and connected with the first end of the second clamping head, the first clamping head and the second clamping head are hinged and connected, and the second ends of the first clamping head and the second clamping head are both arc-shaped structures.
Preferably, the first clamping head is provided with a hinge hole, and the distance from the hinge hole to the first end of the first clamping head is consistent with the length of the first connecting rod.
Preferably, the horizontal driving mechanism comprises a first driven wheel and a second driven wheel which are fixed on the frame, the first driven wheel and the second driven wheel are connected through a transmission belt, two ends of the transmission belt are respectively connected with the first winding wheel and the second winding wheel, and the movable frame is connected with the transmission belt.
Preferably, the bottom of the moving frame is provided with a moving wheel, the frame is provided with a guide rail contacting with the moving wheel, and the moving frame is further connected with the transmission belt through a connecting piece.
Preferably, a lifting mechanism for lifting the insulating partition plate is further arranged on the frame.
Preferably, the lifting mechanism comprises a pulley block, a third winding wheel and a lifting rope, the first end of the lifting rope is connected with a supporting plate for placing the insulating partition plate, the second end of the lifting rope is connected with the third winding wheel after bypassing the pulley block, and the frame is connected with a vertical rod for mounting the pulley block.
Preferably, the layer board is "Z" shape structure, and the layer board includes first diaphragm, second diaphragm and riser, and first diaphragm, second diaphragm pass through the riser and connect, and first diaphragm is connected with lifting rope first end.
Preferably, the upright rod is adjustable in length and is hinged with the frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the manipulator has a simple and practical structure, replaces manual operation to enter the cabinet body for construction and fuse replacement, and has the advantages of convenience in use, safety and high efficiency.
2. The manipulator is a double-hinge scissor-type manipulator, the first clamping claw is provided with a hinge hole, the distance between the hinge hole and the first end of the first clamping claw is consistent with the length of the first connecting rod, the second ends of the first clamping claw and the second clamping claw are both arc-shaped structures by utilizing the principle of a diamond double-hinge connecting rod, when the manipulator is used, a fastening cylinder is used for pressing the outward-protruding radian, and the purpose of quickly clamping the first clamping claw and the second clamping claw is achieved.
3. The clamping mechanism is designed to be capable of moving relative to the frame, so that the clamping mechanism is simple to operate and low in manufacturing cost.
4. According to the invention, the lifting mechanism for lifting the insulating partition plate is arranged, and the lifting mechanism utilizes the labor-saving principle of the pulley block, so that the problem of labor waste caused by the fact that the insulating partition plate on the manual platform is inserted into the box body of the transformer substation is solved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a partial sectional view of the gripping mechanism according to the first embodiment;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a fourth embodiment of the present invention;
in the figure: the clamping device comprises a frame 100, wheels 102, a moving frame 200, moving wheels 201, a connecting piece 202, a fastening barrel 300, a first connecting rod 401, a first clamping head 402, a second connecting rod 403, a second clamping head 404, a locking screw 500, an adjusting knob 501, a first driven wheel 601, a second driven wheel 602, a transmission belt 603, a first rolling wheel 604, a second rolling wheel 605, an insulating partition 700, a pulley block 801, a third rolling wheel 802, a lifting rope 803, a first transverse plate 8041, a second transverse plate 8043, a vertical plate 8042, a vertical rod 900 and a fixing piece 1000.
Detailed Description
In order that those skilled in the art will better understand the present invention, the invention will now be further described with reference to the following specific embodiments:
as shown in fig. 1-2, a maintenance vehicle for a box-type substation comprises a vehicle frame 100, wheels 102 with brakes are arranged at the bottom of the vehicle frame 100, a clamping mechanism is connected to the vehicle frame 100 in a sliding mode and comprises a moving frame 200, a fastening barrel 300 and a manipulator, the moving frame 200 is connected with the vehicle frame 100 in a sliding mode, the fastening barrel 300 is installed on the moving frame 200, a locking screw 500 with adjustable length is sleeved in the fastening barrel 300, a first end of the locking screw 500 extends out of a first end of the fastening barrel 300 and is connected with an adjusting knob 501, a second end of the locking screw 500 is connected with a first end of the manipulator, a second end of the manipulator extends out of a second end of the fastening barrel 300, a second end of the manipulator 400 is a clamping end.
Specifically, the manipulator comprises two groups of clamping claws which are consistent in structure and hinged with each other, the two groups of clamping claws are respectively a first clamping claw and a second clamping claw, the first clamping claw comprises a first connecting rod 401 and a first clamping head 402, and the second clamping claw comprises a second connecting rod 403 and a second clamping head 404; the first end of the first connecting rod 401 and the first end of the second connecting rod 403 are hinged and then connected with the second end of the locking screw 500, the second end of the first connecting rod 401 is hinged and connected with the first end of the first clamping head 402, the second end of the second connecting rod 403 is hinged and connected with the first end of the second clamping head 404, the first clamping head and the second clamping head are hinged and connected, and the second ends of the first clamping head and the second clamping head are both arc-shaped structures. In this embodiment, the first clamping head is provided with a hinge hole, and the distance from the hinge hole to the first end of the first clamping head is the same as the length of the first connecting rod 401, so that the first connecting rod 401, the first clamping head 402, the second clamping head 404 and the second connecting rod 403 are mutually hinged to form a double-hinge scissor-type manipulator with a parallelogram at the front end and a clamping opening at the rear end.
The bottom of the moving frame 200 is provided with a moving wheel 201 which moves horizontally along the frame 100, the frame 200 is provided with a guide rail which contacts with the moving wheel 201 and supports the moving wheel 201, and the moving frame 200 is further connected with a transmission belt through a connecting piece 202.
The horizontal driving mechanism comprises a first driven wheel 601 and a second driven wheel 602 which are fixed on the frame 100 and sequentially arranged along the length direction of the frame 100, the first driven wheel 601 and the second driven wheel 602 are connected with the frame 100 through a rotating shaft so as to rotate relative to the frame 100, the first driven wheel 601 and the second driven wheel 602 are connected through a transmission belt 603, two ends of the transmission belt 603 are respectively correspondingly connected with a first winding wheel 604 and a second winding wheel 605, the moving frame 200 is connected with the transmission belt 603 through a connecting piece 202 and moves relative to the frame 100 under the drive of the transmission belt 603, and a first rotating handle (not shown in the figure) for rotating the first winding wheel 604 to enable the moving frame 200 to move backwards is arranged on the first winding wheel 604; the second rolling wheel 605 is provided with a second rotating handle for rotating the second rolling wheel 605 to move the movable frame forward.
The working principle is as follows: firstly, the frame 100 is moved to a proper position, then the grasping and loosening of the manipulator is controlled through the locking screw 500, if the adjusting knob 501 is rotated clockwise, the locking screw 500 is extended, the adjusting knob 501 is rotated anticlockwise, the locking screw 500 is shortened, the fastening barrel 300 is designed to be a hollow barrel-shaped structure, the locking screw 500 can be accommodated, and when the clamping end of the manipulator contacts with the fastening barrel 300, if the adjusting knob 501 is rotated anticlockwise continuously, the locking screw 500 is shortened and drives the manipulator to move towards the direction close to the fastening barrel 300, the clamping head of the manipulator is pressed by the fastening barrel 300, and the manipulator is in a clamping trend. When the automatic fuse taking-out device is used, the manipulator extends into the distribution box and contacts with a fuse to be replaced, the fuse is tightened by the manipulator through rotating the adjusting knob 501, the manipulator and the fuse rotate along with the locking screw 500 while the fuse is tightened by the manipulator, and the position of the movable frame 200 on the frame 100 is adjusted in a matching mode, so that the purpose of taking out the fuse is achieved; similarly, when the fuse is replaced, the manipulator clamps a new fuse, then the position of the movable frame 200 on the frame 100 is adjusted, the manipulator extends into a proper position in the cabinet body, and then the new fuse is installed by rotating the adjusting knob 501.
The first winding wheel 604 and the second winding wheel 605 are manually driven, and the first winding wheel 604 and the second winding wheel 605 are both provided with a rotating handle.
It should be noted that, because the switch board is the standard specification spare, when this manipulator was used for dismouting other part, can be as required, with removal frame 200 design for height-adjustable's structure, and then can adjust the height of installing the fastening section of thick bamboo 300 on removal frame 200 to satisfy different operation requirements.
Example two
The second embodiment is basically the same as the first embodiment, and has the following differences: as shown in fig. 3, a sliding base 203 is disposed at the upper bottom of the moving frame 200, a guiding rail adapted to the sliding base 203 is disposed on the frame 100, the sliding base 203 is slidably connected to the guiding rail, and the sliding base 203 is further connected to a driving belt 603 for driving the moving frame 200 to move horizontally along the frame 100 through a connecting member 202.
EXAMPLE III
The third embodiment is basically the same as the first embodiment, and has the following differences: as shown in fig. 4, a clamping plate for placing the insulating partition is arranged on the frame 100, the clamping plate is a clamping plate with two U-shaped structures on the side surface of the frame 100, and the grooves of the U-shaped structures can store the clamping insulating partition 700. The frame 100 is further provided with a lifting mechanism for lifting the insulating partition 700 and a vertical rod 900 for mounting the pulley block 801, the lifting mechanism comprises a pulley block 801, a third rolling wheel 802 and a lifting rope 803, a first end of the lifting rope 803 is connected with a supporting plate 804 for placing the insulating partition 700, a second end of the lifting rope 803 bypasses the pulley block 801 and is connected with the third rolling wheel 802, the supporting plate 804 is of a Z-shaped structure, the supporting plate 804 comprises a first transverse plate 8041, a second transverse plate 8043 and a vertical plate 8042, the first transverse plate 8041 and the second transverse plate 8043 are connected through the vertical plate 8042, and the first transverse plate 8041 is connected with a first end of the lifting rope 803. The third winding wheel 802 may be driven by a motor or manually, and in this embodiment, the third winding wheel 802 is driven by a manual motor and is provided with a rotating handle. The third rolling wheel 802, the pulley block 801 and the lifting rope 803 in this embodiment are used in cooperation, during operation, the insulating partition 700 is correctly placed on the supporting plate 804, the supporting plate 804 supports the bottom of the insulating partition 700 (the width of the supporting plate is not greater than the width of the insulating partition, so that when the insulating partition is inserted, two ends of the insulating partition can move down along the guide chute in the cabinet body), the insulating partition 700 can be lifted to a specified height position by rotating the third rolling wheel 802, then the insulating partition 700 is manually pushed into the cabinet body at a position where the insulating partition needs to be inserted (the supporting plate and the insulating partition enter the cabinet body together, the existing power distribution cabinet is provided with the guide chute convenient for inserting the insulating partition), a high-voltage charged body is isolated, the safety of maintenance personnel is ensured, after maintenance is completed, the third rolling wheel 802 is rotated reversely, the insulating partition 700 can be pulled out, the insulating partition 700 is taken out and then taken out, the insulating partition 700 is taken off from the, and is placed on the frame 100 for standby at a clamping plate for clamping the insulating partition 700.
Specifically, pole setting 900 adjustable length in this embodiment, pole setting 900 adopt interior pole and outer pole cup joint the mode of connecting, interior pole cover establish with outer pole in, the structure of the bracing piece of similar scalable umbrella is conveniently accomodate.
In the fourth embodiment, the first step is that,
the fourth embodiment is basically the same as the third embodiment in technical solution, and the difference is that: as shown in fig. 5, the upright 900 is hinged to the frame 100, and when not in use, the upright 900 can be folded relative to the frame 100, so as to reduce the occupied space. In addition, the fixing part 1000 is arranged at the hinged position of the vertical rod 900 and the frame 100, the fixing part 1000 comprises a positioning plate, the frame 100 is hinged and connected with the positioning plate, a first positioning through hole is formed in the positioning plate, a groove for accommodating the positioning plate is formed in the outer rod, a second positioning hole is formed in the groove, when the fixing device is used, one end, provided with the first positioning through hole, of the positioning plate extends into the groove, then the positioning pin sequentially penetrates through the second positioning hole and the first positioning hole, the vertical rod is fixedly connected with the positioning plate, and the stability of the vertical rod 900 in the vertical state and when the pulley block. When not using, take off insulating barrier 700 and place on the cardboard, then shrink pole setting 900, with mounting 1000 and pole setting 900 separation, rotate pole setting 900, pole setting 900 can be laminated with frame 100 (the pole setting is rotatable 180 degrees relative to the frame), reduce occupation space.
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 (9)
1. The maintenance vehicle for the box-type transformer substation is characterized in that: the clamping mechanism comprises a frame (100), wheels (102) are arranged at the bottom of the frame (100), the frame (100) is connected with a clamping mechanism in a sliding mode, a horizontal driving mechanism for driving the clamping mechanism to move horizontally along the frame (100) is further arranged on the frame (100), the clamping mechanism comprises a moving frame (200), a fastening cylinder (300) and a manipulator, the moving frame (200) is connected with the horizontal driving mechanism, the fastening cylinder (300) is mounted on the moving frame (200), a locking screw rod (500) with adjustable length is sleeved in the fastening cylinder (300), the first end of the locking screw rod (500) extends out of the first end of the fastening cylinder (300) and is connected with an adjusting knob (501), and the second end of the locking screw rod (500) is connected with the first end of the manipulator; the second end of the manipulator extends out of the second end of the fastening cylinder (300), the second end of the manipulator is a clamping end, and the manipulator is a double-hinge scissor-type manipulator.
2. The box substation maintenance vehicle according to claim 1, characterized in that: the manipulator comprises two groups of clamping claws which are consistent in structure and hinged with each other, the two groups of clamping claws are respectively a first clamping claw and a second clamping claw, the first clamping claw comprises a first connecting rod (401) and a first clamping head (402), and the second clamping claw comprises a second connecting rod (403) and a second clamping head (404);
the first end of the first connecting rod (401) and the first end of the second connecting rod (403) are hinged and then connected with the second end of the locking screw rod (500), the second end of the first connecting rod (401) is hinged and connected with the first end of the first clamping head (402), the second end of the second connecting rod (403) is hinged and connected with the first end of the second clamping head (404), the first clamping head (402) and the second clamping head (404) are hinged and connected, and the second ends of the first clamping head (402) and the second clamping head (404) are both arc-shaped structures.
3. The box substation maintenance vehicle according to claim 2, characterized in that: the first clamping head (402) is provided with a hinge hole, and the distance between the hinge hole and the first end of the first clamping head (402) is consistent with the length of the first connecting rod (401).
4. The box substation maintenance vehicle according to claim 3, characterized in that: the horizontal driving mechanism comprises a first driven wheel (601) and a second driven wheel (602) which are fixed on a frame (100), the first driven wheel (601) and the second driven wheel (602) are connected through a transmission belt (603), two ends of the transmission belt (603) are correspondingly connected with a first winding wheel (604) and a second winding wheel (605), and the moving frame (200) is connected with the transmission belt (603).
5. The box substation maintenance vehicle according to claim 4, characterized in that: the bottom of the moving frame (200) is provided with moving wheels (201), the frame (100) is provided with guide rails contacting with the moving wheels (201), and the moving frame (200) is further connected with a transmission belt (603) through a connecting piece.
6. The box substation maintenance vehicle according to any one of claims 1 to 5, characterized in that: and a lifting mechanism for lifting the insulating partition plate (700) is further arranged on the frame (100).
7. The box substation maintenance vehicle according to claim 6, characterized in that: the lifting mechanism comprises a pulley block (801), a third winding wheel (802) and a lifting rope (803), wherein the first end of the lifting rope (803) is connected with a supporting plate (804) for placing the insulating partition plate (700), the second end of the lifting rope (803) rounds the pulley block (801) and then is connected with the third winding wheel (802), and the frame (100) is connected with a vertical rod (900) for mounting the pulley block (801).
8. The box substation maintenance vehicle according to claim 7, characterized in that: the supporting plate (804) is of a Z-shaped structure, the supporting plate (804) comprises a first transverse plate (8041), a second transverse plate (8043) and a vertical plate (8042), the first transverse plate (8041) and the second transverse plate (8043) are connected through the vertical plate (8042), and the first transverse plate (8041) is connected with the first end of the lifting rope (803).
9. The box substation maintenance vehicle according to claim 8, characterized in that: the length of the vertical rod (900) is adjustable, and the vertical rod (900) is hinged with the frame (100).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010045586.9A CN111082352A (en) | 2020-01-16 | 2020-01-16 | Maintenance vehicle for box type transformer substation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010045586.9A CN111082352A (en) | 2020-01-16 | 2020-01-16 | Maintenance vehicle for box type transformer substation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111082352A true CN111082352A (en) | 2020-04-28 |
Family
ID=70323414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010045586.9A Pending CN111082352A (en) | 2020-01-16 | 2020-01-16 | Maintenance vehicle for box type transformer substation |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111082352A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113436884A (en) * | 2021-07-02 | 2021-09-24 | 广东电网有限责任公司 | Automatic replacement equipment for high-voltage capacitor fuse |
-
2020
- 2020-01-16 CN CN202010045586.9A patent/CN111082352A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113436884A (en) * | 2021-07-02 | 2021-09-24 | 广东电网有限责任公司 | Automatic replacement equipment for high-voltage capacitor fuse |
CN113436884B (en) * | 2021-07-02 | 2022-04-12 | 广东电网有限责任公司 | Automatic replacement equipment for high-voltage capacitor fuse |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109921721B (en) | Flexibly-unfolded photovoltaic trolley | |
CN111976515B (en) | Hanger rail type system for charging electric automobile | |
CN213906249U (en) | Cable strutting arrangement for electric power construction convenient to use | |
CN105048318A (en) | Breaker transfer trolley | |
CN111082352A (en) | Maintenance vehicle for box type transformer substation | |
CN211018005U (en) | Novel middle-arranged high-voltage switch cabinet | |
CN215558699U (en) | Adjustable subway traction box overhauling lifting device | |
CN211266225U (en) | Maintenance vehicle for box type transformer substation | |
CN113331580A (en) | Architectural design drawing frame and using method thereof | |
CN216625105U (en) | Transmission line overhauls driving | |
CN115741620A (en) | Movable tool vehicle for on-site overhaul of hydraulic power plant | |
CN210818080U (en) | Subway vehicle body part welding device | |
CN214323313U (en) | Maintenance tool box for rail transit electrical equipment | |
CN220923843U (en) | Novel linear track removes fills electric pile | |
CN220465421U (en) | Vehicle-mounted intelligent power supply device | |
CN220129968U (en) | Electric automobile fills electric pile of portable dismantlement | |
CN220332515U (en) | Novel automobile level changing table | |
CN214899622U (en) | Regulator cubicle fixing device | |
CN215990304U (en) | Automatic switching device for introducing mains outside base station | |
CN108777447A (en) | A kind of walking dolly for aerial cable | |
CN210210289U (en) | Fixing base for assembling industrial equipment | |
CN220660814U (en) | Become electric secondary operation tool car | |
CN217607316U (en) | Telescopic guide rail for preventing handcart of switch cabinet from toppling | |
CN216057337U (en) | Large-scale communication device easy to assemble | |
CN220131848U (en) | Inspection device is maintained in inspection of transformer substation's inspection |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |