CN104682238A - Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below - Google Patents
Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below Download PDFInfo
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- CN104682238A CN104682238A CN201510136433.4A CN201510136433A CN104682238A CN 104682238 A CN104682238 A CN 104682238A CN 201510136433 A CN201510136433 A CN 201510136433A CN 104682238 A CN104682238 A CN 104682238A
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- Prior art keywords
- support
- platform
- hydraulic
- switch cubicle
- instrument transformer
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a lifting platform for replacing a mutual inductor in a switch cabinet of 35KV or below. The lifting platform comprises an object support, a mobile chassis trolley and a hydraulic lifting device, wherein the hydraulic lifting device comprises a hydraulic pump, a hydraulic cylinder and a telescopic lifting support; the hydraulic pump and the hydraulic cylinder are respectively installed on the chassis trolley, and an oil opening of the hydraulic pump and an oil opening of the hydraulic cylinder are connected by an oil pipe; the lifting support is connected with the object support and the chassis trolley; a piston rod of the hydraulic cylinder is connected with the lifting support so as to drive the lifting support to drive the object support to ascend or descend. The lifting platform can replace labor to transport and fix a CT in the whole course, and the situation that 4-6 people are required to dismount and mount in cooperation in the past is avoided; the hidden hazard of injury of people and equipment damage caused by falling of an object in the cooperation process is eliminated; the overhauling efficiency is improved greatly; the labor cost is reduced greatly.
Description
Technical field
The present invention relates to high-tension switch cabinet, isolating switch maintenance field, particularly relate to a kind of based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle.
Background technology
At present, domestic existing various forms of hoistable platform exists, as stepped on vehicle bridge, lift, aerial work platform, fixed type lifting Cargo Lift, vehicle-mounted lifting platform, switch handcart for transporting etc., but overhaul for transformer station, power plant, the hoistable platform reaching again certain dielectric strength is also few.
The components and parts such as instrument transformer, grounding switch, lightning arrester, high voltage power cable, branch's copper bar, electrification display are generally equipped with in 35 kilovolts and following totally-enclosed switch cubicle inner cable room, narrow space, only can hold the operation working face of a people, and CT (i.e. current transformer) installation site mostly is side-stand type, inversion type, bushing type, weight can reach 30kg ~ 40kg, further increases the difficulty of replacing.Along with industry, being on the increase of house, the continuous increase of user power utilization demand, in early stage switch cubicle no-load voltage ratio be 100/5,200/5,300/5 CT can not meet consumers' demand, need to increase CT no-load voltage ratio, change the CT that no-load voltage ratio is 400/5 or 600/5.Changed instrument transformer at least to need four people's carryings, help in the past, the whole set-up time approximately needs more than 2 hour, other operating times need 3 ~ 4 hours, interruption duration is long, not only cause load loss to company, also bring the long-time worry had a power failure to user, also exist simultaneously because of manpower do not prop up, coordinate not in place, the potential safety hazard causing instrument transformer to drop hurting sb.'s feelings.
At present, the lowering or hoisting gear that prior art is conventional mainly contains fork-lift type lowering or hoisting gear, scissors and hydraulic jack formula lowering or hoisting gear.But fork-lift type lowering or hoisting gear adopts driven by motor or hand chain type lifting, and whole height is more than 1 meter.Find that this fork-lift type lowering or hoisting gear entirety is bigger than normal through field test, lay particular stress on, and be not suitable for switch cubicle use, and adopt chain type up-down mode, along with service time increases, chain pitch wheel wearing and tearing and bite situation easily occur, increase and operate strength during manual operation.The top lifting height of scissors and hydraulic jack formula lowering or hoisting gear is very limited, and after jack jacking table top can move forward or after move, side, the meeting of falling used time effusion force feed, thus, is also not suitable for switch cubicle use.
In view of above reason, manufacture a kind of new platform come instrument transformer in auxiliary 35 kilovolts and following totally-enclosed switch cubicle change imperative.
Summary of the invention
The invention provides a kind of based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, solve instrument transformer in current 35 kilovolts and following totally-enclosed switch cubicle and change the security risk problem that operation exists, take into account simultaneously and reduce production cost and increase work efficiency.
The technical solution adopted for the present invention to solve the technical problems is: a kind of based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, comprise article carrying platform, also comprise packaged type chassis dolly and hydraulic lift, hydraulic lift comprises hydraulic pump, hydraulic cylinder and extension type lifting support, hydraulic pump and hydraulic cylinder are installed on chassis dolly respectively, and the hydraulic fluid port of hydraulic pump adopts oil pipe to be connected with the hydraulic fluid port of hydraulic cylinder; Lifting support connects article carrying platform and chassis dolly, and the piston rod of hydraulic cylinder is connected with lifting support, drives article carrying platform to rise to drive this lifting support or declines.
In one embodiment, described hydraulic pump is treadle type hydraulic pump, and described chassis dolly side is also provided with hand push handrail, this hand push handrail is provided with decline handle, this decline handle adopts driving member to connect treadle type hydraulic pump, to act on treadle type hydraulic pump when pressing down, makes its pressure release.
In one embodiment, described lifting support comprises the first support and the second support, the middle part of this first support and the second support intersects and connects into X-type structure, and the top slide of the first support is connected to described article carrying platform, the top of the second support is rotationally connected with described article carrying platform, the lower rotation of the first support is connected to described chassis dolly, and the basal sliding of the second support is connected to chassis dolly; The piston rod of described hydraulic cylinder rotates with the first support and is connected.
In one embodiment, described article carrying platform comprises top platform and bottom platform, and described lifting support connects bottom platform and chassis dolly; Four angles place of bottom platform has been threaded screw rod respectively, and the top of each screw rod is mutually movable affixed with top platform respectively, and is respectively equipped with adjusting knob outside each screw rod.
In one embodiment, the bottom of described chassis dolly has front-wheel and trailing wheel, and front-wheel is directional wheel, and trailing wheel is the universal wheel of band brake.
In one embodiment, described first support and the second support comprise two brace be parallel to each other and cross bars respectively, adopt cross bar to be connected and fixed between two braces, when described first support and the second support intersect and be connected, adopt a bearing pin movable medium position through each brace successively.
In one embodiment, described driving member is chain.
In one embodiment, described hand push handrail is inverted U-shaped structure, and its two bottom is fixed in described chassis dolly respectively.
In one embodiment, the piston rod of described hydraulic cylinder tilts upward, and the angle between described hydraulic cylinder and described chassis dolly is acute angle.
In one embodiment, the upper surface of described article carrying platform scribbles insulating material.
Compared to prior art, the present invention has following beneficial effect:
1, more lighting, miniaturization, the hoistable platform that the present invention adopts article carrying platform, packaged type chassis dolly and hydraulic lift (this hydraulic lift comprises hydraulic pump, hydraulic cylinder and extension type lifting support) to form, weight about 28 kilograms, minimum height 20 centimeters, can single free, lightly operate, meet the requirement that small space uses, can use the cable vault in switch cubicle.
2, novel hydraulic lowering or hoisting gear is adopted, this hydraulic lift adopts Split type hydraulic jack-up system, overcome the deficiency of scissors and hydraulic jack, hydraulic lift of the present invention can promote effective depth and reach 90 centimeters, and put upside down, be sidelong and all there will not be Seepage, after hydraulic system jacking, article carrying platform and chassis dolly are in same vertical plane.
3, adopt 360 ° of mobile platform dollies, with the directional wheel of safeguard protection and the universal wheel of band brake bottom the dolly of chassis, can 360 ° move freely.
4. adopt pedal-operated oil pump to drive hydraulic cylinder, more convenient to operate, laborsaving.
5, top platform can be finely tuned at horizontal level, meet different gradient needs, and its surface scribbles insulating material, can prevent from being carried equipment landing.
6, applicability is strong, the work that the isolating switch mechanism case that the present invention also can be used for all electric pressures is changed.
7, job security, operating efficiency is improved, dismantled in the past, need many people to coordinate when instrument transformer in switch cubicle is installed, only one man operation is needed after using the present invention, and shortened for 3/4 operating time, eliminate because of mismate, cause article high falling, cause the possibility of the person, equipment damage, substantially increase job security and operating efficiency.
8, reduce the cost of overhaul, dismantled in the past, install instrument transformer and need 2 hours, even incessantly, after using the present invention, dismantle and only need 0.5 hour with regard to bit time, the time cost of maintenance is reduced greatly.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But one of the present invention is not limited to embodiment based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is left side view of the present invention.
Embodiment
Embodiment, refer to shown in Fig. 1, Fig. 2, one of the present invention is based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, comprise article carrying platform 5, packaged type chassis dolly 1 and hydraulic lift, hydraulic lift comprises hydraulic pump, hydraulic cylinder 3 and extension type lifting support 6, hydraulic pump and hydraulic cylinder 3 are installed on chassis dolly 1 respectively, and the hydraulic fluid port of hydraulic pump adopts oil pipe 4 to be connected with the hydraulic fluid port of hydraulic cylinder 3; Lifting support 6 connects article carrying platform 5 and chassis dolly 1, and the piston rod 31 of hydraulic cylinder 3 is connected with lifting support 6, drives article carrying platform 5 to rise or decline to drive this lifting support 6.
In the present embodiment, described hydraulic pump is treadle type hydraulic pump 2, described chassis dolly 1 side is also provided with hand push handrail 7, this hand push handrail 7 is provided with decline handle 8, this decline handle 8 adopts driving member to connect treadle type hydraulic pump 2, to act on treadle type hydraulic pump 2 when pressing down, make its pressure release.Specifically, described driving member is chain 9.
In the present embodiment, described lifting support 6 comprises the first support 61 and the second support 62, the middle part of this first support 61 and the second support 62 intersects and is hinged to X-type structure, and the top slide of the first support 61 is connected to described article carrying platform 5, the top of the second support 62 is rotationally connected with described article carrying platform 5, the basal sliding that the lower rotation of the first support 61 is connected to described chassis dolly 1, second support 62 is connected to chassis dolly 1; The piston rod 31 of described hydraulic cylinder 3 rotates with the first support 61 and is connected.Specifically, described article carrying platform 5 and chassis dolly 1 are respectively arranged with guide rail 55,14, the top of the first support 61 adopts roller shaft 64 to be snug fit at the guide rail 55 of article carrying platform 5, makes the top of this first support 61 can the top slide of relative second support 62.The bottom of the second support 62 adopts roller shaft 65 to be snug fit at the guide rail 14 of chassis dolly 1, makes the bottom of this second support 62 can the basal sliding of relative first support 61.
In the present embodiment, described article carrying platform 5 comprises top platform 51 and bottom platform 52, and described lifting support 6 connects bottom platform 52 and chassis dolly 1 in a manner described; Four angles place of bottom platform 52 has been threaded screw rod 53 respectively, and each screw rod 53 is arranged in vertical respectively, and the top of each screw rod 53 is affixed with the activity of top platform 51 phase respectively, is respectively equipped with adjusting knob 54 outside each screw rod 53.
In the present embodiment, the bottom of described chassis dolly 1 has front-wheel 11 and trailing wheel 12, and front-wheel 11 is directional wheel, and trailing wheel 12 is the universal wheel of band brake, and specifically the brake of this trailing wheel is brake block 13.
In the present embodiment, described first support 61 and the second support 62 specifically comprise two brace be parallel to each other and cross bars respectively, cross bar is adopted to be connected and fixed between two braces, when described first support 61 and the second support 62 intersect and are connected, adopt a bearing pin 63 movable medium position through each brace successively, the middle part of the first support 61 and the second support 62 is hinged.
In the present embodiment, described hand push handrail 7 is in inverted U-shaped structure, and its two bottom is fixed in described chassis dolly 1 respectively.Described decline handle 8 is installed on the side top of this hand push handrail 7.
In the present embodiment, the piston rod 31 of described hydraulic cylinder 3 tilts upward, and the angle between described hydraulic cylinder 3 and described chassis dolly 1 is acute angle.
In the present embodiment, the upper surface (i.e. the upper surface of described top platform 51) of described article carrying platform 5 scribbles insulating material, can prevent from being carried equipment landing.
One of the present invention is based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, and the elevating method of its article carrying platform 5 is as follows:
Depress brake block 13 and fix this hoistable platform, pin steps on the pedal 21 of treadle type hydraulic pump 2, treadle type hydraulic pump 2 is fuel-displaced, fluid enters hydraulic cylinder 3 by oil pipe 4, the piston rod 31 of hydraulic cylinder 3 is outwards extended, and promoting the top slide of the first support 61 top towards the second support 62, the bottom of the second support 62 is towards the basal sliding of the first support 61 simultaneously, is risen by article carrying platform 5;
After being raised to specified altitude assignment, stopping trampling pedal 21, and regulate the levelness of top platform 51 by stirring adjusting knob 54;
After end-of-job, extruding decline handle 8, treadle type hydraulic pump 2 is acted on by chain 9, make treadle type hydraulic pump 2 pressure release, the piston rod 31 of hydraulic cylinder 3 inwardly shrinks thereupon, and promote the first support 61 top and move towards away from the direction at the second support 62 top, the bottom of the second support 62 is also towards away from the direction slip bottom the first support 61 simultaneously, and article carrying platform 5 is declined; In this process, stop extruding decline handle 8, article carrying platform 5 can be made to rest on the height of needs.
One of the present invention is based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, in use, only need promote hand push handrail 7, below CT hoistable platform being pushed into switch cubicle cable vault, article carrying platform 5 is raised up to bottom CT, CT dismounting is taken out, and is positioned on article carrying platform 5, push away away the CT disassembled finally by this hoistable platform.During installation, only need first CT to be positioned on article carrying platform 5, promote hand push handrail 7, hoistable platform is pushed in switch cubicle, and carries out as stated above.
One of the present invention is based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, its omnidistance manpower that replaces is carried CT and fixes, make to need 4 ~ 6 people to coordinate situation about removing and installing no longer to occur in the past, in engagement process article fall cause hurt sb.'s feelings, the hidden danger of device damage solved, overhaul efficiency is greatly improved, and cost of labor aspect obtains very large saving.
The present invention has following features: one is light, miniaturized, its article carrying platform and lifting support are based on aluminium alloy, stainless steel lightweight material, weight about 28 kilograms, minimum altitude 20 centimeters, a people can freely, lightly operate, meet small space to use, can use the cable vault in switch cubicle, use advantage more obvious in complete factory; Two is that wheel and brake block are equipped with in bottom, can arbitrarily move and fix; Three is by manually heightening or turning down, and meets the needs of height; Four is that top platform can be finely tuned at horizontal level, meets different gradient needs; Five is that top platform has antiskid function, prevents instrument transformer landing from breaking; Six is that applicability is strong, the work that the isolating switch mechanism case that this platform also can be used for all electric pressures is changed.The present invention can reach the safe, efficient of production work and economized management, and improves job security, operating efficiency, eliminates security risk, creates economic benefit.Not only achieve the controlled in control of electric power overhaul work, also greatly saved cost of labor, created considerable economic benefit and social benefit.
Above-described embodiment is only used for further illustrating one of the present invention based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection range of technical solution of the present invention.
Claims (10)
1. one kind based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, comprise article carrying platform, it is characterized in that: also comprise packaged type chassis dolly and hydraulic lift, hydraulic lift comprises hydraulic pump, hydraulic cylinder and extension type lifting support, hydraulic pump and hydraulic cylinder are installed on chassis dolly respectively, and the hydraulic fluid port of hydraulic pump adopts oil pipe to be connected with the hydraulic fluid port of hydraulic cylinder; Lifting support connects article carrying platform and chassis dolly, and the piston rod of hydraulic cylinder is connected with lifting support, drives article carrying platform to rise to drive this lifting support or declines.
2. according to claim 1 based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, it is characterized in that: described hydraulic pump is treadle type hydraulic pump, described chassis dolly side is also provided with hand push handrail, this hand push handrail is provided with decline handle, this decline handle adopts driving member to connect treadle type hydraulic pump, to act on treadle type hydraulic pump when pressing down, make its pressure release.
3. according to claim 1 based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, it is characterized in that: described lifting support comprises the first support and the second support, the middle part of this first support and the second support intersects and connects into X-type structure, and the top slide of the first support is connected to described article carrying platform, the top of the second support is rotationally connected with described article carrying platform, the lower rotation of the first support is connected to described chassis dolly, and the basal sliding of the second support is connected to chassis dolly; The piston rod of described hydraulic cylinder rotates with the first support and is connected.
4. according to claim 1ly it is characterized in that: described article carrying platform comprises top platform and bottom platform based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, described lifting support connects bottom platform and chassis dolly; Four angles place of bottom platform has been threaded screw rod respectively, and the top of each screw rod is mutually movable affixed with top platform respectively, and is respectively equipped with adjusting knob outside each screw rod.
5. according to claim 1 based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, it is characterized in that: the bottom of described chassis dolly has front-wheel and trailing wheel, front-wheel is directional wheel, and trailing wheel is the universal wheel of band brake.
6. according to claim 3 based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, it is characterized in that: described first support and the second support comprise two brace be parallel to each other and cross bars respectively, cross bar is adopted to be connected and fixed between two braces, when described first support and the second support intersect and be connected, adopt a bearing pin movable medium position through each brace successively.
7. according to claim 2 based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, it is characterized in that: described driving member is chain.
8. according to claim 2 based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, it is characterized in that: described hand push handrail is inverted U-shaped structure, and its two bottom is fixed in described chassis dolly respectively.
9. according to claim 1ly to it is characterized in that: the piston rod of described hydraulic cylinder tilts upward based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, and the angle between described hydraulic cylinder and described chassis dolly is acute angle.
10. according to claim 1 based on instrument transformer replacing hoistable platform in 35KV and following switch cubicle, it is characterized in that: the upper surface of described article carrying platform scribbles insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136433.4A CN104682238A (en) | 2015-03-26 | 2015-03-26 | Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136433.4A CN104682238A (en) | 2015-03-26 | 2015-03-26 | Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104682238A true CN104682238A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510136433.4A Pending CN104682238A (en) | 2015-03-26 | 2015-03-26 | Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below |
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| CN (1) | CN104682238A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934886A (en) * | 2015-06-05 | 2015-09-23 | 国网天津市电力公司 | 35kV switch maintenance vehicle |
| CN106706313A (en) * | 2016-12-29 | 2017-05-24 | 渤海造船厂集团有限公司 | Ship anchor-pulling test method |
| CN107293979A (en) * | 2017-08-18 | 2017-10-24 | 国家电网公司 | Transformer is changed and shipment servicing unit |
| CN107445103A (en) * | 2017-08-18 | 2017-12-08 | 浙江韩通建材有限公司 | A kind of dolly for being capable of automatic lifting |
| CN107971988A (en) * | 2017-11-23 | 2018-05-01 | 四川辉冠金属材料有限公司 | Removable metal rack |
| CN109615975A (en) * | 2019-01-29 | 2019-04-12 | 宁夏大学 | A kind of executing agency of aerolog |
| CN112038954A (en) * | 2020-07-31 | 2020-12-04 | 国网山东省电力公司诸城市供电公司 | Mounting tool for inverted current transformer in switch cabinet and using method |
| CN112652993A (en) * | 2020-12-17 | 2021-04-13 | 国网山西省电力公司晋城供电公司 | Dismounting device for current transformer of 10KV switch cabinet |
| CN113230613A (en) * | 2021-06-24 | 2021-08-10 | 张恒芹 | Arm resumes training auxiliary device for department of neurology |
| CN117559241A (en) * | 2023-11-10 | 2024-02-13 | 江苏蓝博自动化科技有限公司 | Low-voltage control cabinet and method for degradable tableware pulp distribution system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934886A (en) * | 2015-06-05 | 2015-09-23 | 国网天津市电力公司 | 35kV switch maintenance vehicle |
| CN106706313A (en) * | 2016-12-29 | 2017-05-24 | 渤海造船厂集团有限公司 | Ship anchor-pulling test method |
| CN107293979B (en) * | 2017-08-18 | 2023-10-13 | 国网安徽省电力公司滁州供电公司 | Auxiliary device for replacing and loading transformer |
| CN107293979A (en) * | 2017-08-18 | 2017-10-24 | 国家电网公司 | Transformer is changed and shipment servicing unit |
| CN107445103A (en) * | 2017-08-18 | 2017-12-08 | 浙江韩通建材有限公司 | A kind of dolly for being capable of automatic lifting |
| CN107971988A (en) * | 2017-11-23 | 2018-05-01 | 四川辉冠金属材料有限公司 | Removable metal rack |
| CN109615975A (en) * | 2019-01-29 | 2019-04-12 | 宁夏大学 | A kind of executing agency of aerolog |
| CN112038954A (en) * | 2020-07-31 | 2020-12-04 | 国网山东省电力公司诸城市供电公司 | Mounting tool for inverted current transformer in switch cabinet and using method |
| CN112038954B (en) * | 2020-07-31 | 2022-11-22 | 国网山东省电力公司诸城市供电公司 | Mounting tool for inverted current transformer in switch cabinet and using method |
| CN112652993A (en) * | 2020-12-17 | 2021-04-13 | 国网山西省电力公司晋城供电公司 | Dismounting device for current transformer of 10KV switch cabinet |
| CN113230613A (en) * | 2021-06-24 | 2021-08-10 | 张恒芹 | Arm resumes training auxiliary device for department of neurology |
| CN117559241A (en) * | 2023-11-10 | 2024-02-13 | 江苏蓝博自动化科技有限公司 | Low-voltage control cabinet and method for degradable tableware pulp distribution system |
| CN117559241B (en) * | 2023-11-10 | 2024-06-07 | 江苏蓝博自动化科技有限公司 | Low-voltage control cabinet and method for degradable tableware pulp distribution system |
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Application publication date: 20150603 |