CN112086891A - Tool assembly for replacing circuit breaker mechanism box component - Google Patents

Tool assembly for replacing circuit breaker mechanism box component Download PDF

Info

Publication number
CN112086891A
CN112086891A CN202010859597.0A CN202010859597A CN112086891A CN 112086891 A CN112086891 A CN 112086891A CN 202010859597 A CN202010859597 A CN 202010859597A CN 112086891 A CN112086891 A CN 112086891A
Authority
CN
China
Prior art keywords
hand wheel
horizontal
vertical
operating hand
circuit breaker
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.)
Granted
Application number
CN202010859597.0A
Other languages
Chinese (zh)
Other versions
CN112086891B (en
Inventor
张志业
周棚
朱金康
陈旭
黄经纬
李洪渊
雷小龙
左稳
何政毅
张乾源
胡培杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maintenance Company State Grid Xinjiang Electric Power Co
State Grid Corp of China SGCC
Original Assignee
Maintenance Company State Grid Xinjiang Electric Power Co
State Grid Corp of China SGCC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maintenance Company State Grid Xinjiang Electric Power Co, State Grid Corp of China SGCC filed Critical Maintenance Company State Grid Xinjiang Electric Power Co
Priority to CN202010859597.0A priority Critical patent/CN112086891B/en
Publication of CN112086891A publication Critical patent/CN112086891A/en
Application granted granted Critical
Publication of CN112086891B publication Critical patent/CN112086891B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F13/00Common constructional features or accessories

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Trip Switchboards (AREA)

Abstract

The invention discloses a tool assembly for replacing a circuit breaker mechanism box component, which can realize relatively accurate operation and can mechanically assist component transportation in a component replacement process, thereby liberating manpower and improving working efficiency. The invention comprises a horizontal lead screw, a vertical lead screw, an operating hand wheel and a supporting base; the horizontal lead screw and the vertical lead screw are steel lead screws, and the bottom of the vertical lead screw is provided with the supporting base; the operating hand wheels comprise two vertical operating hand wheels and one horizontal operating hand wheel, the number of the vertical screw rods is two, and the number of the horizontal screw rods is one; the vertical operating hand wheel is assembled on the vertical screw rod, and the horizontal operating hand wheel is assembled on the horizontal screw rod; every operation hand wheel all contains two embedded bearing cylinder liners, and the inside car has the screw thread that matches with the horizontal lead screw and the perpendicular lead screw that correspond.

Description

Tool assembly for replacing circuit breaker mechanism box component
Technical Field
The invention relates to an auxiliary tool for replacing a mechanism box component of a circuit breaker of a transformer substation, which is particularly used for carrying a motor, a working cylinder, a pressure storage cylinder and the like in the replacement process of the mechanism box of the circuit breaker.
Background
At present, for the replacement of mechanism box parts of a high-low beam (LW) 55B-800 type circuit breaker of a large-scale transformer substation, a forklift and manpower assistance are often required, and in actual work, the work cannot be completed quickly and efficiently due to the limited influence of transportation and manpower of the forklift;
the part weight of change in-process is at 20 kilograms to 50 kilograms within range, and working space is narrow and small, and at whole part change in-process, the part by inside transport outside the mechanism case and the part after will maintaining is very big by the work load of mechanism case transport to the inside mounted position of mechanism case, and this process does not have fine appurtenance at present, has the potential safety hazard, changes inefficiency.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a tooling assembly for replacing a circuit breaker mechanism box component, which can realize relatively accurate operation and can mechanically assist component transportation in a component replacement process, thereby releasing manpower and improving working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
the tool assembly for replacing the circuit breaker mechanism box component comprises a horizontal lead screw, a vertical lead screw, an operating hand wheel and a supporting base;
the horizontal lead screw and the vertical lead screw are steel lead screws, and the bottom of the vertical lead screw is provided with the supporting base; the operating hand wheels comprise two vertical operating hand wheels and one horizontal operating hand wheel, the number of the vertical screw rods is two, and the number of the horizontal screw rods is one; the vertical operating hand wheel is assembled on the vertical screw rod, and the horizontal operating hand wheel is assembled on the horizontal screw rod;
every operation hand wheel all contains two embedded bearing cylinder liners, and the inside car has the screw thread that matches with the horizontal lead screw and the perpendicular lead screw that correspond.
As a preferred embodiment of the present invention: the inner embedded bearing cylinder sleeve is an inner operating hand wheel cylinder, and the outer embedded bearing cylinder sleeve is an outer operating hand wheel cylinder; the operation hand wheels comprise annular operation hand wheel rudders which are arranged on the operation hand wheel inner cylinders, and the annular operation hand wheel rudders are connected with the operation hand wheel inner cylinders through operation hand wheel rudder support legs; the number of the operating hand wheel rudder supporting legs is two, three or four.
As a preferred embodiment of the present invention: the opposite surfaces of the outer cylinders of the two vertical operating handwheels are provided with connecting bayonets, and two ends of the horizontal screw rod are respectively arranged on the two connecting bayonets; and an object hanging ring is arranged on the operating hand wheel outer cylinder of the horizontal operating hand wheel.
As a preferred embodiment of the present invention: the object hanging ring is arranged on the upper surface of an operation hand wheel outer cylinder of the horizontal operation hand wheel, and the upper surface is the surface far away from the supporting base.
As a preferred embodiment of the present invention: the supporting base is a disc-shaped supporting base or a truncated cone-shaped supporting base or a tripod.
As a preferred embodiment of the present invention: the connecting bayonets are two through hole baffles which are oppositely arranged, and correspondingly, the end part of the horizontal screw rod is an assembling end provided with a connecting hole; and the connecting bolt passes through the through hole and the connecting hole and then fixes the horizontal screw rod and the connecting bayonet.
As a preferred embodiment of the present invention: the vertical screw rod is in threaded connection with the supporting base.
As a preferred embodiment of the present invention: the through holes and the connecting holes are threaded holes.
As a preferred embodiment of the present invention: the lifting rope is used for penetrating through the lifting ring; the bottom of the lifting rope fixes the lifting object through the connecting piece.
The invention has the beneficial effects that:
the tool assembly for replacing the mechanism box component of the circuit breaker, disclosed by the invention, has the characteristics of high strength, bearing capacity, operational flexibility, convenience in carrying and transportation and convenience in installation, and can realize relatively accurate operation, so that the manpower is liberated, and the working efficiency is improved. The device adopts a high-quality steel structure, and has the characteristics of high structural strength, strong bearing capacity, operational flexibility, convenience in carrying and transportation, convenience in installation and the like; the main body of the invention is a screw rod structure, which is convenient for accurate guiding operation and can smoothly complete the functions of vertical lifting and horizontal displacement; the operating hand wheel of the invention adopts the design of double bearings, inner and outer double-layer cylinders and a large rotary rudder, and the operation is labor-saving and accurate. The connecting bayonet is a single bolt, so that the quick mounting and dismounting are facilitated, and the arrangement time of work preparation is saved. The base is designed as a disc, and the bearing is reliable and stable. The annular design of the lifting point is convenient for locking the lifting rope and reducing the offset of the lifted object.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention.
Description of reference numerals:
1-horizontal screw rod, 2-vertical screw rod, 3-vertical operating hand wheel, 4-horizontal operating hand wheel, 5-supporting base, 6-operating hand wheel rudder, 7-bearing, 8-operating hand wheel rudder supporting leg, 9-connecting bayonet, 10-operating hand wheel outer cylinder, 12-hanging ring, 13-operating hand wheel inner cylinder and 14-connecting bolt.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
as shown in fig. 1-2, which illustrate a specific embodiment of the present invention, a tooling assembly for replacing a circuit breaker mechanism box component includes a horizontal screw 1, a vertical screw 2, an operating hand wheel and a support base 5;
the horizontal lead screw 1 and the vertical lead screw 2 are steel lead screws, and the bottom of the vertical lead screw 2 is provided with the supporting base 5; the operating hand wheels comprise two vertical operating hand wheels 3 and one horizontal operating hand wheel 4, the number of the vertical screw rods 2 is two, and the number of the horizontal screw rods 1 is one; the vertical operating hand wheel 3 is assembled on the vertical screw rod, and the horizontal operating hand wheel 4 is assembled on the horizontal screw rod;
every operation hand wheel all contains two embedded bearing cylinder liners, and the inside car has the screw thread that matches with the horizontal lead screw and the perpendicular lead screw that correspond. Preferably, as shown in fig. 1 and 2: the inner embedded bearing cylinder sleeve is an inner operating hand wheel cylinder 13, and the outer embedded bearing cylinder sleeve is an outer operating hand wheel cylinder 10; the operation hand wheels comprise annular operation hand wheel rudders 6 which are arranged on the inner operation hand wheel cylinders, and the annular operation hand wheel rudders 6 are connected with the inner operation hand wheel cylinders through operation hand wheel rudder support legs 8; the operating hand wheel rudder supporting legs 8 are two, three or four which are uniformly distributed.
Preferably, as shown in fig. 1 and 2: the opposite surfaces of the outer cylinders of the two vertical operating handwheels are provided with connecting bayonets 9, and two ends of the horizontal screw rod are respectively arranged on the two connecting bayonets; and an operating hand wheel outer cylinder of the horizontal operating hand wheel is provided with a hanging ring 12.
Preferably, as shown in fig. 1 and 2: the object hanging ring is arranged on the upper surface of an operation hand wheel outer cylinder of the horizontal operation hand wheel, and the upper surface is the surface far away from the supporting base 5. The setting is easily fixed the locking at the upper surface, and the reliability promotes.
Preferably, as shown in fig. 1 and 2: the supporting base is a disc-shaped supporting base or a truncated cone-shaped supporting base or a tripod. The tripod is convenient to fold and support, and the disc shape and the circular truncated cone shape are relatively stable on the flat ground.
Preferably, as shown in fig. 1 and 2: the connecting bayonets are two through hole baffles which are oppositely arranged, and correspondingly, the end part of the horizontal screw rod is an assembling end provided with a connecting hole; and the connecting bolt passes through the through hole and the connecting hole and then fixes the horizontal screw rod and the connecting bayonet. The connection structure of the embodiment is fast and reliable.
Preferably, as shown in fig. 1 and 2: the vertical screw rod is in threaded connection with the supporting base. Preferably, as shown in fig. 1 and 2: the through holes and the connecting holes are threaded holes.
Preferably, as shown in fig. 1 and 2: the lifting rope is used for penetrating through the lifting ring; the bottom of the lifting rope fixes the lifting object through the connecting piece.
Example 1: as shown in the figures, the tooling assembly for replacing the mechanism box component of the circuit breaker, disclosed by the invention, is a tooling for replacing the mechanism box component of the horizontal-high LW55B-800 type circuit breaker, and comprises a horizontal lead screw 1, a vertical lead screw 2, operating hand wheels (a vertical operating hand wheel 3 and a horizontal operating hand wheel 4) and a supporting base; the tool is a steel screw rod serving as a main body, a supporting base is installed at the bottom of a vertical screw rod 2, and an operating hand wheel is divided into 2 vertical lifting hand wheels 3 and 1 horizontal operating hand wheel 4; every operation hand wheel all contains 2 embedded bearing cylinder liners, and inside car has the screw thread that matches with the lead screw, and the exterior design has the installation bayonet socket. The leveling of the horizontal screw rod 1 and the lifting of a hoisted object can be realized by adjusting 2 vertical operation hand wheels 3, and the moving out or pushing in of the hoisted object can be realized by adjusting the horizontal operation hand wheels 4. The tool is made of a high-quality steel structure, has strong bearing capacity, and can play an auxiliary role in replacing accessories such as a flat and high LW55B-800 type circuit breaker mechanism box motor, a working cylinder, a pressure storage cylinder, an oil tank and the like.
In the embodiment, the high-quality steel structure is adopted, and the high-quality steel structure has the characteristics of high structural strength, strong bearing capacity, flexibility in operation, convenience in carrying and transportation, convenience in installation and the like; the main body of the invention is a screw rod structure, which is convenient for accurate guiding operation and can smoothly complete the functions of vertical lifting and horizontal displacement; the operating hand wheel of the invention adopts the design of double bearings, inner and outer double-layer cylinders and a large rotary rudder, and the operation is labor-saving and accurate. The connecting bayonet is a single bolt, so that the quick mounting and dismounting are facilitated, and the arrangement time of work preparation is saved. The base is designed as a disc, and the bearing is reliable and stable. The annular design of the lifting ring 12 facilitates the locking of the lifting rope and reduces the offset of the lifting object.
In conclusion, in the embodiment, the invention can solve the problem of part replacement operation of the LW55B-800 type breaker in the ultra-high voltage large-scale substation and the power plant, and has the advantages of time saving and labor saving. The circuit breaker component replacement device provides guarantee for technicians to accurately and efficiently complete the replacement work of circuit breaker components.
While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes, which relate to the related art known to those skilled in the art and fall within the scope of the present invention, can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims (9)

1. A frock subassembly for circuit breaker mechanism case part is changed, its characterized in that: comprises a horizontal screw rod, a vertical screw rod, an operating hand wheel and a supporting base;
the horizontal lead screw and the vertical lead screw are steel lead screws, and the bottom of the vertical lead screw is provided with the supporting base; the operating hand wheels comprise two vertical operating hand wheels and one horizontal operating hand wheel, the number of the vertical screw rods is two, and the number of the horizontal screw rods is one; the vertical operating hand wheel is assembled on the vertical screw rod, and the horizontal operating hand wheel is assembled on the horizontal screw rod;
every operation hand wheel all contains two embedded bearing cylinder liners, and the inside car has the screw thread that matches with the horizontal lead screw and the perpendicular lead screw that correspond.
2. The tooling assembly for circuit breaker mechanism case component replacement of claim 1, wherein: the inner embedded bearing cylinder sleeve is an inner operating hand wheel cylinder, and the outer embedded bearing cylinder sleeve is an outer operating hand wheel cylinder; the operation hand wheels comprise annular operation hand wheel rudders which are arranged on the operation hand wheel inner cylinders, and the annular operation hand wheel rudders are connected with the operation hand wheel inner cylinders through operation hand wheel rudder support legs; the number of the operating hand wheel rudder supporting legs is two, three or four.
3. The tooling assembly for circuit breaker mechanism case component replacement of claim 2, wherein: the opposite surfaces of the outer cylinders of the two vertical operating handwheels are provided with connecting bayonets, and two ends of the horizontal screw rod are respectively arranged on the two connecting bayonets; and an object hanging ring is arranged on the operating hand wheel outer cylinder of the horizontal operating hand wheel.
4. The tooling assembly for circuit breaker mechanism case component replacement of claim 3, wherein: the object hanging ring is arranged on the upper surface of an operation hand wheel outer cylinder of the horizontal operation hand wheel, and the upper surface is the surface far away from the supporting base.
5. The tooling assembly for circuit breaker mechanism case component replacement of claim 1, wherein: the supporting base is a disc-shaped supporting base or a truncated cone-shaped supporting base or a tripod.
6. The tooling assembly for circuit breaker mechanism case component replacement of claim 3, wherein: the connecting bayonets are two through hole baffles which are oppositely arranged, and correspondingly, the end part of the horizontal screw rod is an assembling end provided with a connecting hole; and the connecting bolt passes through the through hole and the connecting hole and then fixes the horizontal screw rod and the connecting bayonet.
7. The tooling assembly for circuit breaker mechanism case component replacement of claim 1, wherein: the vertical screw rod is in threaded connection with the supporting base.
8. The tooling assembly for circuit breaker mechanism case component replacement of claim 6, wherein: the through holes and the connecting holes are threaded holes.
9. The tooling assembly for circuit breaker mechanism case component replacement of claim 1, wherein: the lifting rope is used for penetrating through the lifting ring; the bottom of the lifting rope fixes the lifting object through the connecting piece.
CN202010859597.0A 2020-08-24 2020-08-24 Tool assembly for replacing circuit breaker mechanism box component Active CN112086891B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010859597.0A CN112086891B (en) 2020-08-24 2020-08-24 Tool assembly for replacing circuit breaker mechanism box component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010859597.0A CN112086891B (en) 2020-08-24 2020-08-24 Tool assembly for replacing circuit breaker mechanism box component

Publications (2)

Publication Number Publication Date
CN112086891A true CN112086891A (en) 2020-12-15
CN112086891B CN112086891B (en) 2022-06-14

Family

ID=73729559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010859597.0A Active CN112086891B (en) 2020-08-24 2020-08-24 Tool assembly for replacing circuit breaker mechanism box component

Country Status (1)

Country Link
CN (1) CN112086891B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007066221A2 (en) * 2005-12-09 2007-06-14 Eaton Corporation Adjustable adapter for mounting electrical switching apparatus and enclosure assembly employing the same
CN103151721A (en) * 2013-03-27 2013-06-12 福建省电力有限公司漳州电业局 Central-positioned switch cabinet circuit breaker transfer cart
CN103366993A (en) * 2013-07-03 2013-10-23 安徽省电力公司安庆供电公司 Precise mounting platform with full-degree-of-freedom regulation for disconnecting link operating mechanism
CN103986084A (en) * 2014-03-28 2014-08-13 吴胜 Moving overhaul platform of high-voltage breaker mechanism case
CN203871714U (en) * 2014-05-26 2014-10-08 国家电网公司 Breaker overhaul device
CN104400425A (en) * 2014-11-26 2015-03-11 天津市亚星散热器有限公司 Parallel flow evaporator core assembly tool
EP2887782A1 (en) * 2013-12-20 2015-06-24 Abb Ag Switchgear assembly and power distribution system
CN105070597A (en) * 2015-07-16 2015-11-18 江苏华鹏智能电气股份有限公司 Framework breaker front and back function merging apparatus
CN205725355U (en) * 2016-05-25 2016-11-23 宣化钢铁集团有限责任公司 A kind of motor coil cutter sweep
CN107140536A (en) * 2017-07-12 2017-09-08 国电联合动力技术有限公司 A kind of wind wheel of not tearing open can change the assembly tooling of gear-box in the air
CN107394646A (en) * 2017-08-25 2017-11-24 贵州电网有限责任公司 A kind of portable central switch cabinet overhaul of line breaker work-saving device
CN108128694A (en) * 2017-12-22 2018-06-08 中车唐山机车车辆有限公司 Transformer replaces device and method
CN208644135U (en) * 2018-05-03 2019-03-26 中铁十八局集团第五工程有限公司 A kind of ballastless track of high-speed railway drilling device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007066221A2 (en) * 2005-12-09 2007-06-14 Eaton Corporation Adjustable adapter for mounting electrical switching apparatus and enclosure assembly employing the same
CN103151721A (en) * 2013-03-27 2013-06-12 福建省电力有限公司漳州电业局 Central-positioned switch cabinet circuit breaker transfer cart
CN103366993A (en) * 2013-07-03 2013-10-23 安徽省电力公司安庆供电公司 Precise mounting platform with full-degree-of-freedom regulation for disconnecting link operating mechanism
EP2887782A1 (en) * 2013-12-20 2015-06-24 Abb Ag Switchgear assembly and power distribution system
CN103986084A (en) * 2014-03-28 2014-08-13 吴胜 Moving overhaul platform of high-voltage breaker mechanism case
CN203871714U (en) * 2014-05-26 2014-10-08 国家电网公司 Breaker overhaul device
CN104400425A (en) * 2014-11-26 2015-03-11 天津市亚星散热器有限公司 Parallel flow evaporator core assembly tool
CN105070597A (en) * 2015-07-16 2015-11-18 江苏华鹏智能电气股份有限公司 Framework breaker front and back function merging apparatus
CN205725355U (en) * 2016-05-25 2016-11-23 宣化钢铁集团有限责任公司 A kind of motor coil cutter sweep
CN107140536A (en) * 2017-07-12 2017-09-08 国电联合动力技术有限公司 A kind of wind wheel of not tearing open can change the assembly tooling of gear-box in the air
CN107394646A (en) * 2017-08-25 2017-11-24 贵州电网有限责任公司 A kind of portable central switch cabinet overhaul of line breaker work-saving device
CN108128694A (en) * 2017-12-22 2018-06-08 中车唐山机车车辆有限公司 Transformer replaces device and method
CN208644135U (en) * 2018-05-03 2019-03-26 中铁十八局集团第五工程有限公司 A kind of ballastless track of high-speed railway drilling device

Also Published As

Publication number Publication date
CN112086891B (en) 2022-06-14

Similar Documents

Publication Publication Date Title
CN201573764U (en) Adjustable buttress device
CN204472952U (en) A kind of assembly tooling of dynamic assembly
CN110182700B (en) GIS metal tank body disassembling tool
CN201813109U (en) Adjustable insulator closed card
CN203557336U (en) Press mounting device for skeleton oil seal
CN112086891B (en) Tool assembly for replacing circuit breaker mechanism box component
CN205380617U (en) Bearing seal reinforced seal circle installation specialized tool
CN204221722U (en) Power plant is large-scale to be threaded parts mounting auxiliary without guide frame
CN204291668U (en) A kind of intelligent comprehensive case
CN213410966U (en) Box frame welding tool
CN105643263A (en) Lower nut screwing tooling for rudderstock
CN203582416U (en) Multifunctional installing vehicle for accessory installing in wind power generation tower
CN205440836U (en) Device for connecting unmanned aerial vehicle horn
CN208906307U (en) A kind of single cone internal-expansion type fixture
CN212159059U (en) Universal auxiliary frame tool for test
CN214446134U (en) Narrow space horizontal motor dismouting lift dolly
CN204841243U (en) Installation of rotatory jetting device is with supplementary adjusting device
CN208854068U (en) A kind of stronger liquid storage cylinder positioning device of versatility
CN209522531U (en) A kind of tray carriage and its auxiliary wheel assembly
CN207218098U (en) A kind of 220kV potting breakers arc-chutes overhaul assembly tooling
CN205438412U (en) Manual hydraulic means of axle sleeve compression
CN206738413U (en) A kind of non-porous assembling external flange disk
CN214527768U (en) A portable hoist device for assembly of diaphragm compressor cylinder cap
CN204154102U (en) A kind of big gear ring of rotary kiln latch plate Special tool for correcting
CN216328002U (en) Tool for replacing elastic support of gear box of wind generating set

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
CB02 Change of applicant information

Address after: 830002 Jianshe Road 5, Tianshan District, Urumqi, the Xinjiang Uygur Autonomous Region

Applicant after: Super high voltage branch of State Grid Xinjiang Electric Power Co.,Ltd.

Applicant after: State Grid Co., Ltd.

Address before: 830001 No.5 Jianshe Road, Tianshan District, Urumqi, Xinjiang Uygur Autonomous Region

Applicant before: MAINTENANCE COMPANY, STATE GRID XINJIANG ELECTRIC POWER Co.

Applicant before: State Grid Co., Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant