CN210286539U - Hoisting device for isolating switch - Google Patents
Hoisting device for isolating switch Download PDFInfo
- Publication number
- CN210286539U CN210286539U CN201920806368.5U CN201920806368U CN210286539U CN 210286539 U CN210286539 U CN 210286539U CN 201920806368 U CN201920806368 U CN 201920806368U CN 210286539 U CN210286539 U CN 210286539U
- Authority
- CN
- China
- Prior art keywords
- supporting rod
- traction rope
- rod
- hoisting
- hoisting device
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 abstract description 6
- 230000009931 harmful effect Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an isolating switch hoisting device, which belongs to the technical field of electric power maintenance equipment and comprises a supporting rod, a fixing mechanism, a lap joint guide mechanism, a hoisting mechanism, a traction rope and a power mechanism, wherein the supporting rod is used for extending to the upper part of the lap joint structure; the fixing mechanism is connected with the lower part of the supporting rod and is used for fixing the lower part of the supporting rod on a working surface; the lap joint guide mechanism is arranged at the upper part of the support rod and is used for lap joint with the lap joint structure; the hoisting mechanism is used for being connected with the component of the isolating switch; the traction rope bypasses the lap joint guide mechanism, and one end of the traction rope is connected with the hoisting mechanism and used for drawing the hoisting mechanism to move; the power mechanism is arranged on the support rod, is connected with the other end of the traction rope and is used for drawing the traction rope to move. The utility model discloses a hoist and mount of isolator can be accomplished in the cooperation of each part, and the workspace that occupies simultaneously is minimum, has enough big safe distance, avoids the outage operation, is favorable to shortening construction period, avoids the outage to cause harmful effects to the user simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the power maintenance equipment, more specifically say, relate to an isolator hoist device.
Background
In the reconstruction and extension engineering construction of the existing 220kV transformer substation, the installation or the replacement of the isolating switch is very common and the number of the isolating switches is large.
The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely an isolating switch with rated voltage of more than 1kV, the high-voltage isolating switch has a simple working principle and structure, but has high requirements on working reliability due to large usage amount, and has large influence on the design, establishment and safe operation of a substation and a power plant.
Because the components of the isolating switch are mostly heavy, the conventional installation or replacement method is to use a truck crane to move and assemble after hoisting, but various lines in a transformer substation are complicated, the size of hoisting devices such as the truck crane is large, the hoisting arm is high, the moving range is large, the situation that the safe distance between the hoisting arm and live equipment and a main bus is insufficient is often met during hoisting, and the hoisting can be carried out after power failure in order to avoid the danger of electric shock. However, the establishment, application and examination of the power failure scheme need coordinated research by a plurality of departments, the required time is long, the construction period is prolonged, the overall progress of the project is influenced, and meanwhile, the power failure construction can also cause adverse effects on users.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an isolator hoist device to solve the technical problem that the time limit for a project that isolator hoist and mount that exist among the prior art needs the outage operation to cause delays and leads to the fact the harmful effects to the user.
In order to achieve the above object, the utility model adopts the following technical scheme: the hoisting device for the isolating switch comprises a supporting rod, a fixing mechanism, a lap joint guide mechanism, a hoisting mechanism, a traction rope and a power mechanism, wherein the supporting rod is used for extending to the upper part of the lap joint structure; the fixing mechanism is connected with the lower part of the supporting rod and is used for fixing the lower part of the supporting rod on a working surface; the lap joint guide mechanism is arranged at the upper part of the support rod and is used for lap joint with the lap joint structure; the hoisting mechanism is used for being connected with the component of the isolating switch; the traction rope bypasses the lap joint guide mechanism, and one end of the traction rope is connected with the hoisting mechanism and used for drawing the hoisting mechanism to move; the power mechanism is arranged on the support rod, is connected with the other end of the traction rope and is used for drawing the traction rope to move.
Furthermore, in the hoisting device for the isolating switch, a cavity is formed in the supporting rod, and the middle part of the traction rope is arranged in the supporting rod in a penetrating manner; the lower part of the supporting rod is used for a first wire passing hole through which a traction rope penetrates, and the upper part of the supporting rod is used for a second wire passing hole through which the traction rope penetrates; the part of the support rod provided with the first wire passing hole and the second wire passing hole is provided with a first pulley which is used for being connected with the traction rope.
Furthermore, in the hoisting device for the isolating switch, the supporting rod is of a telescopic rod structure.
Furthermore, in the hoisting device for the isolating switch, the supporting rod comprises an outer pipe, an inner pipe and a pin, the outer pipe is connected with the fixing mechanism, and the inner part of the outer pipe is hollow; the lower end part of the inner pipe is used for being inserted in the outer pipe in a sliding manner, and a plurality of pin holes are formed in the axial direction; the pin is used for pegging graft with the pin hole, and both ends are used for with outer tube upper end butt.
Furthermore, in the hoisting device for the isolating switch, the inner pipe and the outer pipe are both circular pipes, and two ends of the pin are provided with rollers which are rotatably connected with the pin and are used for abutting against the upper end of the outer pipe; the inner tube is provided with a rotating handle for rotating the inner tube.
Furthermore, in the hoisting device for the isolating switch, the lapping guide mechanism comprises a lapping rod, a second pulley and an inclined stay bar, and one end of the lapping rod is connected with the upper part of the support rod and is used for lapping with the lapping structure; the second pulley is arranged at one end of the lapping rod, which is far away from the supporting rod, and is used for being connected with the traction rope; one end of the diagonal brace is connected with the upper end of the support rod, and the other end of the diagonal brace is connected with the end part of the lap joint rod, which is far away from the support rod.
Furthermore, in the hoisting device for the isolating switch, the fixing mechanism comprises a first slideway and a second slideway, and two ends of the first slideway are respectively connected with the pillar and are used for being in sliding connection with the lower part of the supporting rod; the two ends of the second slide way are respectively connected with the support column and are used for being in sliding connection with the middle of the support rod.
Furthermore, in the hoisting device for the isolating switch, the fixing mechanism further comprises a first sliding component and a second sliding component, wherein the first sliding component is arranged at the lower part of the supporting rod and is in sliding connection with the first slideway and used for fastening the supporting rod on the first slideway; the second sliding assembly is arranged in the middle of the supporting rod and is in sliding connection with the second slide way and used for fastening the supporting rod on the second slide way.
Furthermore, in the hoisting device for the isolating switch, the second sliding component is connected with the middle part of the supporting rod in a sliding manner along the axial direction of the supporting rod.
Furthermore, in the hoisting device for the isolating switch, the first slideway and the second slideway are arranged in parallel, and are fixedly connected with the pillar through the hoop; the first sliding assembly is a first bolt which is arranged on the supporting rod and is in sliding connection with the first slideway; the second sliding assembly comprises a sliding sleeve body arranged on the supporting rod in a sliding mode and a second bolt which is connected with the sliding sleeve body through a threaded structure and is connected with the second slideway in a sliding mode.
Further, among the aforementioned isolator hoist device, isolator hoist device still includes: the switch contact is arranged on the traction rope; the limit switch is connected with the power mechanism and used for controlling the power mechanism to stop power output after the switch contact touches the limit switch.
The utility model provides an isolator hoist device's beneficial effect lies in: compared with the prior art, the utility model discloses a bracing piece, fixed establishment, overlap joint guiding mechanism, hoisting machine constructs, haulage rope and power unit's cooperation, can accomplish isolator's hoist and mount, upper portion only has bracing piece and overlap joint guiding mechanism simultaneously, there is not traditional davit, the working space who occupies is minimum, can have enough big safe distance with live equipment and main bus, can install and change isolator under transformer substation's live working's the condition, avoid the outage operation, be favorable to sparingly working out at the power failure scheme, the time of link waste such as application and approval, shorten construction period, avoid the outage to cause harmful effects to the user simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of an isolator hoisting device provided in an embodiment of the present invention;
fig. 2 is a schematic view of a lap joint guide mechanism part of the disconnecting switch hoisting device provided by the embodiment of the invention;
fig. 3 is an enlarged cross-sectional view of a structure at a in fig. 1.
Wherein, in the figures, the respective reference numerals:
10-a support bar;
11-a first wire passing hole; 12-a second wire passing hole; 13-an outer tube;
14-an inner tube; 15-pins; 16-a roller; 17-turning the handle;
20-a securing mechanism;
21-a first slide; 22-a second slide; 23-a first slide assembly; 24-a second slide assembly;
30-a lap guide mechanism; 31-lap joint bar; 32-a second pulley; 33-diagonal brace rods;
40-a hoisting mechanism;
50-a hauling rope; 51-a switch contact;
60-a power mechanism;
70-limit switch;
81-cross arm; 82-pillar.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and fig. 2, a hoisting device for an isolation switch according to the present invention will now be described. The isolating switch hoisting device comprises a supporting rod 10, a fixing mechanism 20, a lap joint guide mechanism 30, a hoisting mechanism 40, a traction rope 50 and a power mechanism 60, wherein the supporting rod 10 is used for extending to the upper part of a lap joint structure; the fixing mechanism 20 is connected with the lower part of the supporting rod 10 and is used for fixing the lower part of the supporting rod 10 on a working surface; the lap joint guide mechanism 30 is arranged at the upper part of the support rod 10 and is used for lap joint with the lap joint structure; the hoisting mechanism 40 is used for being connected with a component of the isolating switch; the traction rope 50 bypasses the lap joint guide mechanism 30, and one end of the traction rope is connected with the hoisting mechanism 40 and used for drawing the hoisting mechanism 40 to move; the power mechanism 60 is arranged on the support bar 10, connected with the other end of the traction rope 50 and used for drawing the traction rope 50 to move. The hoisting mechanism 40 can be a hoisting piece such as a hook and a hoisting ring for connecting with hoisting objects such as a component of the isolating switch.
The hoisting of isolator hoist and mount is mainly after lifting isolator's subassembly, installs on the base that is equipped with pillar 82, and isolator upper portion generally all has bearing structure such as cross arm 81 or power transmission line (be used for connecting isolator and uncharged). Therefore, before the isolating switch is hoisted, the fixing mechanism 20 can be fixed on the base (i.e. the working surface), the supporting rod 10 extends upwards to the cross arm 81 or the power transmission line, the lap guide mechanism 30 is lapped on the cross arm 81 or the power transmission line, and the traction rope 50 and the hoisting mechanism 40 hang down after bypassing the lap guide mechanism 30. When the isolating switch is hoisted, after the hoisting mechanism 40 is connected with the components of the isolating switch, the power mechanism 60 is driven to pull the traction rope 50, and then the components of the isolating switch are hoisted to a preset position for installation. When the isolating switch needs to be detached, the reverse operation is carried out.
The utility model provides an isolator hoist device, compared with the prior art, through bracing piece 10, fixed establishment 20, overlap joint guiding mechanism 30, hoisting mechanism 40, haulage rope 50 and power unit 60's cooperation, can accomplish isolator's hoist and mount, upper portion only has bracing piece 10 and overlap joint guiding mechanism 30 simultaneously, there is not traditional davit, the working space who occupies is minimum, can have enough big safe distance with live equipment and main bus, can install and change isolator under transformer substation's live working's the condition, avoid the outage operation, be favorable to sparingly the establishment at the power failure scheme, the time of link waste such as application and approval, shorten construction period, avoid the outage to cause harmful effects to the user simultaneously.
Referring to fig. 1 and 2 together, as a specific embodiment of the isolating switch hoisting device provided by the present invention, a cavity is provided inside the supporting rod 10, and the middle part of the pulling rope 50 is inserted into the supporting rod 10; a first wire passing hole 11 for the traction rope 50 to pass through is arranged at the lower part of the support rod 10, and a second wire passing hole 12 for the traction rope 50 to pass through is arranged at the upper part of the support rod 10; the supporting rod 10 is provided with a first pulley for connecting with the traction rope 50 at the positions where the first wire passing hole 11 and the second wire passing hole 12 are provided. The pulling rope 50 is arranged inside the support rod 10, which is beneficial to protecting the pulling rope 50 and preventing the pulling rope 50 from winding with other parts or structures.
Referring to fig. 3, as a specific embodiment of the isolating switch hoisting device provided by the present invention, the supporting rod 10 is a telescopic rod structure. Optionally, the support rod 10 comprises an outer tube 13, an inner tube 14 and a pin 15, wherein the outer tube 13 is connected with the fixing mechanism 20 and is hollow inside; the lower end part of the inner tube 14 is used for being inserted in the outer tube 13 in a sliding way, and a plurality of pin holes are arranged along the axial direction; the pin 15 is used for being inserted into the pin hole, and two ends of the pin are used for being abutted against the upper end of the outer tube 13.
When the bracing piece 10 height is adjusted to needs, select suitable pin hole to insert behind pin 15, support pin 15 outside pipe 13 upper end can, convenient operation can play stable, better bearing effect simultaneously, can not obstruct inside haulage rope 50's motion simultaneously.
Optionally, the inner tube 14 and the outer tube 13 are both circular tubes, and two ends of the pin 15 are provided with rollers 16 for being rotatably connected with the pin 15 and abutting against the upper end of the outer tube 13; the inner tube 14 is provided with a turning handle 17 for turning the inner tube 14. This configuration allows the inner tube 14 to rotate while ensuring load bearing, thereby facilitating adjustment of the orientation of the lap guide mechanism 30.
Referring to fig. 1 and fig. 2, as a specific embodiment of the isolating switch hoisting device provided by the present invention, the lapping guide mechanism 30 includes a lapping rod 31, a second pulley 32 and an inclined strut 33, one end of the lapping rod 31 is connected to the upper portion of the supporting rod 10 for lapping with the lapping structure; the second pulley 32 is arranged at one end of the lapping rod 31 far away from the support rod 10 and is used for being connected with the traction rope 50; one end of the inclined strut 33 is connected to the upper end of the support rod 10, and the other end is connected to the end of the lapping rod 31 far away from the support rod 10.
The lap joint guide mechanism 30 is used for lap joint with the cross arm 81 or the power transmission line and providing a supporting force for hoisting together with the fixing mechanism 20; on the other hand, the lifting mechanism 40 can play a guiding role, namely the lifting mechanism 40 is limited to a position with a certain distance from the supporting rod 10, so that collision friction between the lifting mechanism 40 and the supporting rod 10 is prevented during lifting; in addition, the device is also used for judging the position of the whole device, and the safety distance between the whole device and the electrified equipment and the main bus is prevented from being too small. When the upper part of the isolating switch generally has no lapping structure such as a cross arm 81 or a power transmission line, the lapping guide mechanism 30 can be arranged in a suspended manner and only plays a role of guiding.
Referring to fig. 1, as a specific embodiment of the isolating switch hoisting device provided by the present invention, the fixing mechanism 20 includes a first slideway 21 and a second slideway 22, two ends of the first slideway 21 are respectively connected with the pillar 82 and are used for being slidably connected with the lower portion of the supporting rod 10; the two ends of the second slideway 22 are respectively connected with the supporting columns 82 and are used for being connected with the middle part of the supporting rod 10 in a sliding way. The first and second slides 21 and 22 are used to facilitate the adjustment of the position and orientation of the support bar 10 while stably transmitting a force.
Optionally, the fixing mechanism 20 further comprises a first sliding assembly 23 and a second sliding assembly 24, the first sliding assembly 23 is disposed at the lower portion of the supporting rod 10 and is slidably connected to the first slideway 21 for fastening the supporting rod 10 to the first slideway 21; the second sliding assembly 24 is disposed at the middle portion of the support pole 10 and is slidably connected to the second sliding track 22 for fastening the support pole 10 to the second sliding track 22.
Optionally, a second slide assembly 24 is slidably coupled to the central portion of the brace 10 along the axis of the brace 10 to facilitate adjustment of the orientation of the brace 10.
Optionally, the first slideway 21 and the second slideway 22 are arranged in parallel, and both the first slideway 21 and the second slideway 22 are fixedly connected with the pillar 82 through a hoop; the first sliding component 23 is a first bolt which is arranged on the support bar 10 and is connected with the first slideway 21 in a sliding way; the second sliding assembly 24 includes a sliding sleeve slidably disposed on the support rod 10 and a second bolt connected to the sliding sleeve via a threaded structure and slidably connected to the second sliding rail 22.
Referring to fig. 2, as a specific implementation manner of the isolating switch hoisting device provided by the present invention, the isolating switch hoisting device further includes: the switch contact 51 and the limit switch 70, wherein the switch contact 51 is arranged on the traction rope 50; the limit switch 70 is connected with the power mechanism 60, and is used for controlling the power mechanism 60 to stop power output after the switch contact 51 touches the limit switch 70. The power mechanism 60 may be an electric hoist. The limit switch 70 may be an electronic switch electrically connected to the power mechanism 60, or may be a mechanical switch connected to the switch of the power mechanism 60 through a mechanical transmission structure.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. An isolating switch hoisting device is characterized by comprising a supporting rod, a fixing mechanism, a lap joint guide mechanism, a hoisting mechanism, a traction rope and a power mechanism, wherein the supporting rod is used for extending to the upper part of a lap joint structure; the fixing mechanism is connected with the lower part of the supporting rod and is used for fixing the lower part of the supporting rod on a working surface; the lap joint guide mechanism is arranged at the upper part of the supporting rod and is used for lap joint with the lap joint structure; the hoisting mechanism is used for being connected with the component of the isolating switch; the traction rope bypasses the lap joint guide mechanism, and one end of the traction rope is connected with the hoisting mechanism and used for drawing the hoisting mechanism to move; the power mechanism is arranged on the support rod, is connected with the other end of the traction rope and is used for drawing the traction rope to move.
2. The isolating switch hoisting device of claim 1, wherein: a cavity is formed in the supporting rod, and the middle of the traction rope penetrates through the supporting rod; a first wire passing hole for the traction rope to penetrate through is formed in the lower portion of the supporting rod, and a second wire passing hole for the traction rope to penetrate through is formed in the upper portion of the supporting rod; the support rod is provided with the first wire passing hole and the second wire passing hole, and the positions of the support rod, which are provided with the first wire passing hole and the second wire passing hole, are provided with first pulleys used for being connected with the traction rope.
3. The disconnector hoisting device of claim 1 or 2, characterized in that: the support rod is of a telescopic rod piece structure.
4. The disconnector hoisting device of claim 3, wherein the support bar comprises:
the outer tube is connected with the fixing mechanism and is hollow inside;
the lower end part of the inner pipe is used for being inserted in the outer pipe in a sliding mode, and a plurality of pin holes are formed in the inner pipe along the axis direction; and
and the pin is used for being inserted into the pin hole, and two ends of the pin are used for being abutted against the upper end of the outer pipe.
5. The isolating switch hoisting device of claim 4, wherein: the inner pipe and the outer pipe are both round pipes, and two ends of the pin are provided with rollers which are rotatably connected with the pin and are abutted against the upper end of the outer pipe; and the inner pipe is provided with a rotating handle for rotating the inner pipe.
6. The disconnector hoisting device of claim 1, wherein the lap guide mechanism comprises:
one end of the lapping rod is connected with the upper part of the supporting rod and is used for lapping with the lapping structure;
the second pulley is arranged at one end, far away from the supporting rod, of the lapping rod and is used for being connected with the traction rope; and
and one end of the inclined supporting rod is connected with the upper end of the supporting rod, and the other end of the inclined supporting rod is connected with the end part of the lapping rod, which is far away from the supporting rod.
7. The disconnector hoisting device of claim 1, wherein the fixing mechanism comprises:
the two ends of the first slideway are respectively connected with the support column and are used for being in sliding connection with the lower part of the support rod; and
and two ends of the second slide way are respectively connected with the support column and are used for being connected with the middle part of the supporting rod in a sliding manner.
8. The disconnector hoisting device of claim 7, wherein the fixing mechanism further comprises:
the first sliding assembly is arranged at the lower part of the supporting rod, is connected with the first slide way in a sliding way and is used for fastening the supporting rod on the first slide way; and
and the second sliding assembly is arranged in the middle of the supporting rod, is in sliding connection with the second slide way and is used for fastening the supporting rod on the second slide way.
9. The isolating switch hoisting device of claim 8, wherein: the second sliding assembly is connected with the middle part of the supporting rod in a sliding mode along the axis direction of the supporting rod.
10. The isolating switch hoisting device of claim 9, wherein: the first slideway and the second slideway are arranged in parallel, and are fixedly connected with the support through hoops; the first sliding assembly is a first bolt which is arranged on the supporting rod and is in sliding connection with the first slideway; the second sliding assembly comprises a sliding sleeve body arranged on the supporting rod in a sliding mode and a second bolt connected with the sliding sleeve body through a threaded structure and connected with the second slide in a sliding mode.
11. The disconnector hoisting device of claim 1, further comprising:
the switch contact is arranged on the traction rope; and
and the limit switch is connected with the power mechanism and used for controlling the power mechanism to stop power output after the switch contact touches the limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806368.5U CN210286539U (en) | 2019-05-31 | 2019-05-31 | Hoisting device for isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806368.5U CN210286539U (en) | 2019-05-31 | 2019-05-31 | Hoisting device for isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210286539U true CN210286539U (en) | 2020-04-10 |
Family
ID=70071824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920806368.5U Active CN210286539U (en) | 2019-05-31 | 2019-05-31 | Hoisting device for isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210286539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127532A (en) * | 2019-05-31 | 2019-08-16 | 河北省送变电有限公司 | Disconnecting switch hanging apparatus |
-
2019
- 2019-05-31 CN CN201920806368.5U patent/CN210286539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127532A (en) * | 2019-05-31 | 2019-08-16 | 河北省送变电有限公司 | Disconnecting switch hanging apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101478124B (en) | Automatic laying method for electric cable and apparatus thereof | |
| CN204778471U (en) | Single armed formula on -load tap -changer core hoisting accessory | |
| CN103058065A (en) | Novel sliding-type gantry crane and use thereof | |
| US20160083229A1 (en) | Crane comprising a crane cantilever arm, wherein the current is supplied to the load hook and/or crane trolley via a rope transmitting tractive forces | |
| CN210286539U (en) | Hoisting device for isolating switch | |
| CN108643674A (en) | A kind of electric force pole tower | |
| CN104143782A (en) | Electrified replacement tool and method for +/-800 kV circuit strain insulator string | |
| CN211655450U (en) | Intelligent maintenance-free direct-current power supply screen | |
| CN108963857B (en) | 10kV overhead line combined type limiting and insulating device and using method thereof | |
| CN101640115B (en) | On-load tapping switch hanger | |
| CN216818669U (en) | A earth connection dismouting device for transformer substation maintains | |
| CN216530465U (en) | Bypass insulation drainage wire fixing device | |
| CN110048337A (en) | A kind of hanging type does not have a power failure conducting wire sectionaliser | |
| CN201250062Y (en) | Double-cab crane | |
| CN213753774U (en) | 10kV straight line pole three-phase wire supporting and jacking device | |
| CN201252354Y (en) | On-load tapping changing switch suspension bracket | |
| CN110880716B (en) | High-voltage switch cabinet cable access device and construction method | |
| CN209298577U (en) | A kind of intelligent power distribution integration apparatus | |
| CN110127532A (en) | Disconnecting switch hanging apparatus | |
| CN213935251U (en) | Gear-variable and load-variable distribution network overhead line experiment platform | |
| CN205355656U (en) | Outdoor compact substation high -voltage switch gas tank | |
| CN219918099U (en) | Hoisting type power transformation switch cabinet | |
| CN219587320U (en) | Distribution net rack with traction collapse-preventing components on periphery for building construction | |
| CN220886674U (en) | Hoisting tool for GIS bus tube | |
| CN215711282U (en) | Auxiliary device for replacing isolating switch of electrified railway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |