CN113104743A - Intelligent high-voltage bushing dismounting platform in direct-current valve hall - Google Patents
Intelligent high-voltage bushing dismounting platform in direct-current valve hall Download PDFInfo
- Publication number
- CN113104743A CN113104743A CN202110420294.3A CN202110420294A CN113104743A CN 113104743 A CN113104743 A CN 113104743A CN 202110420294 A CN202110420294 A CN 202110420294A CN 113104743 A CN113104743 A CN 113104743A
- Authority
- CN
- China
- Prior art keywords
- amplitude
- variable
- current valve
- platform
- voltage bushing
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/823—Bracing equipment acting in vertical direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses an intelligent disassembling platform for a high-voltage sleeve in a direct-current valve hall, which comprises a wheat wheel chassis and an upper assembly, wherein a switching base is welded on the wheat wheel chassis, the upper assembly is installed on the switching base through a mechanical arm installation seat at the bottom end of the upper assembly, a rotating disc is installed at the top of the mechanical arm installation seat, an amplitude-variable large arm is connected onto the rotating disc through a hinged support, the amplitude-variable large arm is controlled to lift through an amplitude-variable oil cylinder, the bottom of the amplitude-variable oil cylinder is fixedly connected onto the rotating disc, the top of the amplitude-variable oil cylinder is fixedly connected onto the bottom side surface of the amplitude-variable large arm, the head of the amplitude-variable large arm is connected with a disassembling device through a rotatable joint, the disassembling device comprises a linear sliding base, the bottom of the linear sliding base is connected. The problem of the consuming time and the power of traditional mode is solved, greatly improve the operating efficiency, save the power off time in the sleeve pipe change flow, saved a large amount of stealthy costs.
Description
Technical Field
The invention relates to the technical field of high-voltage power maintenance, in particular to an intelligent disassembling platform for a high-voltage bushing in a direct-current valve hall.
Background
Because the high-voltage bushing in the direct current valve hall has a long service life and enters a failure high-voltage period, the traditional dismounting process needs a crane due to the self quality, the installation size and the like of the bushing. Because clearance in the valve hall is not enough and the blocking of valve hall partition wall, the crane can't be at the inside casing pipe of lifting by crane in the valve hall, can only use the tractor to draw the change of current transformer to spacious department, adopts the crane to lift the sheathed tube mode of dismouting.
The traditional mode is time-consuming and labor-consuming, and the converter is required to be pulled to an open place by using a tractor, and a primary and secondary wiring, an auxiliary fire-fighting pipeline and the like of the converter are required to be dismantled. Because the crane needs a vertical clear space for hoisting, and the projections of the two sleeves of the star-shaped converter transformer on a vertical plane are overlapped, when the 2.2 sleeves at the lower position are removed, the 2.1 sleeves at the upper position need to be removed, and the engineering quantity and the risk are additionally increased; the crane lifts by crane dismouting belongs to original extensive formula operation, and the precision is poor, and the sleeve pipe is easily collided when lifting by crane, damages the sleeve pipe, or the angle is inaccurate when the sleeve pipe inserts, causes the sleeve pipe and the device contact friction that is qualified for the next round of competitions and causes equipment trouble during the operation, and has great operation potential safety hazard.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the intelligent disassembling platform for the high-voltage sleeve in the direct-current valve hall, which solves the problems of time and labor consumption in the traditional mode, greatly improves the working efficiency, saves the power failure time in the sleeve replacing process and saves a large amount of invisible cost.
The invention discloses an intelligent disassembling platform for a high-voltage sleeve in a direct-current valve hall, which comprises a wheat wheel chassis and an upper assembly, wherein a switching base is welded on the wheat wheel chassis, the upper assembly is installed on the switching base through a mechanical arm installation seat at the bottom end of the upper assembly, a rotating disc is installed at the top of the mechanical arm installation seat, a variable-amplitude large arm is connected onto the rotating disc through a hinged support, the variable-amplitude large arm is controlled to lift through a variable-amplitude oil cylinder, the bottom of the variable-amplitude oil cylinder is fixedly connected onto the rotating disc, the top of the variable-amplitude large arm is fixedly connected onto the bottom side surface of the variable-amplitude large arm, the head of the variable-amplitude large arm is connected with a disassembling device through a rotatable joint, the disassembling device comprises a linear sliding base, the bottom of the linear sliding base is connected with.
According to one embodiment of the invention, a Mecanum wheel is mounted at the bottom of the wheat wheel chassis, and the Mecanum wheel is composed of a whole wheel hub and a plurality of driven small wheels, and the axes of the driven small wheels are at an included angle of 45 degrees with the whole wheel axis.
According to one embodiment of the invention, at least 4 Mecanum wheels are provided on a single side of the wheel chassis.
According to one embodiment of the invention, the bottom of the mechanical arm mounting seat is welded on the adapter base, the top of the mechanical arm mounting seat is connected with a bearing through a bolt, and the rotating disc is buckled on the bearing and can horizontally rotate in the plane of the adapter base.
According to one embodiment of the invention, a valve body control box is fixedly connected to the rotating disc, and a hydraulic control manual operating rod is installed in the valve body control box.
According to one embodiment of the invention, the four corners of the wheat wheel chassis are provided with balance legs.
According to one embodiment of the invention, the obstacle avoidance radar is arranged outside two corners of a diagonal line of the wheel chassis.
According to an embodiment of the invention, the telescopic arm is a hydraulic telescopic arm.
According to one embodiment of the invention, the power source of the wheat wheel chassis is driven by a storage battery.
The invention has the beneficial effects that:
1. according to the intelligent disassembling platform for the high-voltage bushing in the direct-current valve hall, the wheat wheel chassis is adopted, walking in any direction can be realized, the disassembling platform is convenient to move to the side of the high-voltage bushing in the direct-current valve hall for disassembling operation, the height of an operation space is reduced, a converter transformer is not required to be pulled to outdoor operation, the bushing is smoothly disassembled and assembled in the valve hall, tools such as a crane high-altitude operation vehicle and the like are omitted, the steps of disassembling a first-time wiring and a second-time wiring of the converter transformer and an auxiliary fire fighting pipeline and the like are omitted, and the operation efficiency is greatly improved;
2. the intelligent high-voltage bushing dismounting platform in the direct current valve hall is used for dismounting the high-voltage bushing, so that equipment damage caused by collision caused by manual operation is avoided, the power failure time in the bushing replacing process is saved, a large amount of invisible cost is saved, economic benefits are indirectly generated, and due to the particularity of electric power, the high-voltage bushing cannot be stored and cached, and only two states of on-state and off-state exist. The power failure means economic loss, the power transmission power is 50 ten thousand kW and is calculated according to the power yield of 0.1 yuan per degree of power of a power grid company in the power transmission process, and the power failure per hour causes the economic loss of 5.00 ten thousand yuan.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a structural diagram of an intelligent high-voltage bushing dismounting platform inside a direct current valve hall according to the invention;
FIG. 2 is a side view of an intelligent high-voltage bushing dismounting platform inside a DC valve hall according to the present invention;
fig. 3 is a top view of an intelligent high-voltage bushing dismounting platform inside a direct current valve hall.
Description of reference numerals: 1. the device comprises a wheat wheel base plate, 2 mechanical arm mounting seats, 3 switching bases, 4 rotating disks, 5 valve body control boxes, 6 hinged supports, 7 variable-amplitude large arms, 8 variable-amplitude oil cylinders, 9 linear sliding bases, 10 telescopic arms, 11 lifting hooks, 12 Mecanum wheels, 13 balance supporting legs, 14 obstacle avoidance radars and 15 rotatable joints.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention relates to an intelligent disassembly platform for a high-voltage sleeve in a direct-current valve hall, which has a structure shown in figures 1, 2 and 3, and comprises a wheat wheel chassis 1 and an upper assembly, wherein a switching base 3 is welded on the wheat wheel chassis 1, the upper assembly is arranged on the switching base 3 through a mechanical arm mounting seat 2 at the bottom end of the upper assembly, a rotating disc 4 is arranged at the top of the mechanical arm mounting seat 2, the rotating disc 4 is connected with an amplitude-variable large arm 7 through a hinged support 6, the amplitude-variable large arm 7 is controlled to lift through an amplitude-variable oil cylinder 8, the bottom of the amplitude-variable oil cylinder 8 is fixedly connected on the rotating disc 4, the top of the amplitude-variable oil cylinder 8 is fixedly connected on the bottom side surface of the amplitude-variable large arm 7, the head of the amplitude-variable arm 7 is connected with a disassembly device through a rotatable joint 15, the disassembly device comprises a linear sliding base 9, the bottom, the top end of the telescopic arm 10 is fixedly connected with a lifting hook 11.
At least 4 mecanum wheels 12 are arranged on one side of the wheel chassis 1.
The bottom of arm mount pad 2 welds on switching base 3, and there is the bearing at the top of arm mount pad 2 through bolted connection, and rotary disk 4 lock joint can rotate at switching base 3's plane internal level on the bearing, can adjust its upper portion through rotating rotary disk 4 and become the angle of width of cloth big arm 7, makes the dismounting device who becomes width of cloth big arm 7 head contact and dismantle high-voltage bushing smoothly with high-voltage bushing.
And a valve body control box 5 is fixedly connected to the rotating disk 4, and a hydraulic control manual operating rod is installed in the valve body control box 5.
The four corners of the wheat wheel chassis 1 are provided with balance support legs 13.
The telescopic arm 10 is a hydraulic telescopic arm.
The power source of the wheat wheel chassis 1 is driven by a storage battery.
When the intelligent high-voltage bushing dismounting platform in the direct current valve hall is used for dismounting a bushing, firstly, the dismounting platform is moved to the side of a current conversion transformer bushing through a Mecanum wheel 12 at the bottom of a wheat wheel chassis 1, so that the traveling direction of the dismounting platform forms an angle of 90 degrees with the projection of the axis of the current conversion transformer high-voltage bushing on the ground, the dismounting platform is close to the position of the high-voltage bushing suitable for operation as much as possible, then, the whole platform is supported and fixed through balance support legs 13 at the four corners of the wheat wheel chassis 1, a telescopic arm 10 is moved to the position right above the high-voltage bushing to be dismounted by adjusting the lifting of a variable amplitude oil cylinder 8, the angle of the telescopic arm 10 is adjusted by the rotation of a rotating disk 4 to be basically parallel to the axis of the high-voltage bushing, then, the length of the telescopic arm 10 is adjusted to be matched with the length of the high-voltage bushing to be dismounted, and the, at this time, the mounting screw of the high-voltage bushing is manually dismounted, the high-voltage bushing is jacked from the mounting flange by using a special tool, and then the telescopic arm 10 is operated to stably move along the axial direction of the high-voltage bushing until the high-voltage bushing is completely separated from the mounting flange.
After the disassembly is finished, the disassembled high-voltage bushing is placed on a trolley special for conveying the bushing on the ground through the lifting of the amplitude-variable oil cylinder 8 and the telescopic arm 10 and the rotating motion of the rotating disk 4, and the disassembly of the high-voltage bushing is finished.
By utilizing the intelligent disassembly platform for the high-voltage bushing in the direct current valve hall, the high-voltage bushing which is overhauled can be installed back, and the operation process and the disassembly process are opposite to each other.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The intelligent high-voltage bushing dismounting platform in the direct-current valve hall comprises a wheat wheel chassis (1) and an upper assembly, and is characterized in that a switching base (3) is welded on the wheat wheel chassis (1), the upper assembly is installed on the switching base (3) through a mechanical arm installation seat (2) at the bottom end of the upper assembly, a rotating disc (4) is installed at the top of the mechanical arm installation seat (2), an amplitude-variable large arm (7) is connected onto the rotating disc (4) through a hinged support (6), the amplitude-variable large arm (7) is controlled to ascend and descend through an amplitude-variable oil cylinder (8), the bottom of the amplitude-variable oil cylinder (8) is fixedly connected onto the rotating disc (4), the top of the amplitude-variable large arm (7) is fixedly connected onto the bottom side face of the amplitude-variable large arm (7), the head of the amplitude-variable large arm (7) is connected with a dismounting device through a rotatable, the bottom of the linear sliding base (9) is connected with a rotatable joint (15) at the head of the variable-amplitude large arm (7), the linear sliding base (9) is hollow and sleeved with a telescopic arm (10), and the top end of the telescopic arm (10) is fixedly connected with a lifting hook (11).
2. The intelligent high-voltage bushing dismounting platform in the direct current valve hall as claimed in claim 1, wherein a Mecanum wheel (12) is installed at the bottom of the wheat wheel chassis (1), the Mecanum wheel (12) is composed of a whole wheel hub and a plurality of driven small wheels, and the axis of each driven small wheel forms an included angle of 45 degrees with the whole wheel axis.
3. The intelligent high-voltage bushing dismounting platform in a direct current valve hall as claimed in claim 2, characterized in that at least 4 Mecanum wheels (12) are arranged on one side of said wheat wheel chassis (1).
4. The intelligent high-voltage bushing dismounting platform in the direct current valve hall as claimed in claim 1, wherein the bottom of said mechanical arm mounting seat (2) is welded on the adapter base (3), the top of said mechanical arm mounting seat (2) is connected with a bearing through a bolt, said rotating disk (4) is fastened on the bearing and can horizontally rotate in the plane of the adapter base (3).
5. The intelligent disassembling platform for the high-voltage bushing inside the direct current valve hall according to claim 1, characterized in that a valve body control box (5) is fixedly connected to the rotating disk (4), and a hydraulic control manual operating rod is installed inside the valve body control box (5).
6. The intelligent disassembly platform for high-voltage bushings inside direct current valve halls according to claim 1, characterized in that the four corners of the wheat wheel chassis (1) are provided with balance legs (13).
7. The intelligent dismantling platform for high voltage bushings inside a direct current valve hall as claimed in claim 1, characterized in that said wheat wheel chassis (1) is provided with obstacle avoidance radars (14) outside the two corners of the diagonal.
8. The intelligent high-voltage bushing dismounting platform in the direct current valve hall as recited in claim 1, characterized in that said telescopic arm (10) is a hydraulic telescopic arm.
9. The intelligent disassembly platform for the high-voltage bushing inside the direct current valve hall is characterized in that a power source of the wheat wheel chassis (1) is driven by a storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420294.3A CN113104743A (en) | 2021-04-19 | 2021-04-19 | Intelligent high-voltage bushing dismounting platform in direct-current valve hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420294.3A CN113104743A (en) | 2021-04-19 | 2021-04-19 | Intelligent high-voltage bushing dismounting platform in direct-current valve hall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113104743A true CN113104743A (en) | 2021-07-13 |
Family
ID=76718470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110420294.3A Pending CN113104743A (en) | 2021-04-19 | 2021-04-19 | Intelligent high-voltage bushing dismounting platform in direct-current valve hall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113104743A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310778A (en) * | 2021-12-28 | 2022-04-12 | 云南治邦科技有限公司 | Platform vibration disassembly mechanism is dismantled to inside high-voltage bushing intelligence of direct current valve room |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201999651U (en) * | 2011-01-31 | 2011-10-05 | 徐州徐工随车起重机有限公司 | Heavy tonnage lorry-mounted crane |
| CN206244303U (en) * | 2016-11-21 | 2017-06-13 | 宋其昌 | A kind of forestry sapling Special lifting device |
| EP3456601A1 (en) * | 2017-09-15 | 2019-03-20 | Novium | System for handling of longitudinal construction element, handling vehicle equipped with such a system |
| CN109650302A (en) * | 2018-12-11 | 2019-04-19 | 中联重科股份有限公司 | high-altitude operation equipment |
| CN209337942U (en) * | 2018-10-22 | 2019-09-03 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of universal scalable hoisting fixture of bushing class |
| CN209872125U (en) * | 2018-09-20 | 2019-12-31 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Appliance for hoisting converter transformer field overhaul iron core |
| DE202019101572U1 (en) * | 2019-03-19 | 2020-06-22 | Hohenloher Spezial-Maschinenbau GmbH & Co. KG | Crane arm |
| CN212269252U (en) * | 2020-09-30 | 2021-01-01 | 长沙远大模块集成科技有限公司 | Transfer trolley control system for hoisting PC (personal computer) component |
-
2021
- 2021-04-19 CN CN202110420294.3A patent/CN113104743A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201999651U (en) * | 2011-01-31 | 2011-10-05 | 徐州徐工随车起重机有限公司 | Heavy tonnage lorry-mounted crane |
| CN206244303U (en) * | 2016-11-21 | 2017-06-13 | 宋其昌 | A kind of forestry sapling Special lifting device |
| EP3456601A1 (en) * | 2017-09-15 | 2019-03-20 | Novium | System for handling of longitudinal construction element, handling vehicle equipped with such a system |
| CN209872125U (en) * | 2018-09-20 | 2019-12-31 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Appliance for hoisting converter transformer field overhaul iron core |
| CN209337942U (en) * | 2018-10-22 | 2019-09-03 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of universal scalable hoisting fixture of bushing class |
| CN109650302A (en) * | 2018-12-11 | 2019-04-19 | 中联重科股份有限公司 | high-altitude operation equipment |
| DE202019101572U1 (en) * | 2019-03-19 | 2020-06-22 | Hohenloher Spezial-Maschinenbau GmbH & Co. KG | Crane arm |
| CN212269252U (en) * | 2020-09-30 | 2021-01-01 | 长沙远大模块集成科技有限公司 | Transfer trolley control system for hoisting PC (personal computer) component |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310778A (en) * | 2021-12-28 | 2022-04-12 | 云南治邦科技有限公司 | Platform vibration disassembly mechanism is dismantled to inside high-voltage bushing intelligence of direct current valve room |
| CN114310778B (en) * | 2021-12-28 | 2024-07-19 | 云南治邦科技有限公司 | Inside high-voltage bushing intelligence of direct current valve room dismantles platform vibration detaching mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113104743A (en) | Intelligent high-voltage bushing dismounting platform in direct-current valve hall | |
| CN110182700B (en) | GIS metal tank body disassembling tool | |
| CN110356959B (en) | Wind wheel hoisting tool | |
| CN113211403A (en) | Intelligent dismounting method for high-voltage bushing in direct-current valve hall | |
| CN210419034U (en) | GIS metal can body assembly and disassembly tools | |
| CN210973769U (en) | Live working platform and insulating bucket arm vehicle | |
| CN217046247U (en) | Disassembly and reassembly mechanism of intelligent disassembly platform for high-voltage bushing in direct-current valve hall | |
| CN109244946A (en) | A kind of electric integrated apparatus for examination and repair | |
| CN208881944U (en) | A kind of spare tyre attaching/detaching apparatus | |
| CN108974152A (en) | A kind of spare tyre attaching/detaching apparatus | |
| CN210060950U (en) | Auxiliary mounting tool vehicle | |
| CN113103181A (en) | Platform disassembly body is dismantled to inside high-voltage bushing intelligence of direct current valve room | |
| CN205210270U (en) | Earthing switch predelivery test device | |
| CN216327996U (en) | Aircraft undercarriage annex dismouting frock | |
| CN114906730B (en) | Hoisting device for electrical equipment of transformer substation | |
| CN114310778B (en) | Inside high-voltage bushing intelligence of direct current valve room dismantles platform vibration detaching mechanism | |
| CN221674829U (en) | Baking lamp for automobile paint spraying | |
| CN220715261U (en) | Engineering dust removal mechanism is built in room | |
| CN219585665U (en) | Detachable vacuum pump repair and maintenance dual-purpose lifting appliance device | |
| CN220950958U (en) | Movable multifunctional hydraulic lifting device | |
| CN210373187U (en) | A lighting apparatus for municipal works for rugged road surface | |
| CN211733627U (en) | Dismounting type movable monorail crane | |
| CN211958438U (en) | Installation mechanism of wall-hung control box | |
| CN219453380U (en) | Weak current security engineering security alarm device | |
| CN212038712U (en) | Lifting water cannon for fire fighting |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210713 |