CN104827432B - A kind of pneumatic impact spanner for power industry determine torque force device - Google Patents
A kind of pneumatic impact spanner for power industry determine torque force device Download PDFInfo
- Publication number
- CN104827432B CN104827432B CN201510190879.5A CN201510190879A CN104827432B CN 104827432 B CN104827432 B CN 104827432B CN 201510190879 A CN201510190879 A CN 201510190879A CN 104827432 B CN104827432 B CN 104827432B
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- CN
- China
- Prior art keywords
- cylinder
- spring sheet
- moment
- spring leaf
- torsion
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
- B25B23/1453—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers for impact wrenches or screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention relates to a kind of pneumatic impact spanner for power industry determines torque force device, including one end close the cylinder in cylinder barrel shaped of one end open, central shaft, be installed on by holding screw cartridge openings end supporter, be installed in cylinder near the inner spring sheet of blind end and in being installed on cylinder near the outer spring sheet structure of supporter.Upper bolt when, according to the moment of regulation, by adjusting the size and number of spring leaf in torsion ring so that it is be set to required moment, easy to adjust simply.When the moment of the screw-nut tightened reaches the moment of needs then, cylinder is by the equal moment of reaction, now spring leaf enters elastic deformation stage, due to elastically-deformable reason, spring leaf can skid off from the spine groove cylinder, spring leaf is relative to barrel body rotation, thus cylinder stops selecting to make tightened screw-nut no longer stress.
Description
Technical field
The present invention be filing date " on 04 11st, 2012 ", Application No. " 2012101037057 ", entitled " one
Determine torque force device kind for pneumatic impact spanner " the divisional application of patent of invention.
Background technology
Pneumatic impact spanner is the efficient mechanical instrument of dismounting screw nut, and it has purposes widely in power industry.At machine
Tool manufacturing industry, on general assembly line, in addition to each part, most be exactly screw bolt and nut.A product to a great extent
The quality of quality, does not lies in the quality of each part, and is the quality of assembling.
At present domestic application compares pneumatic impact spanner widely and is divided into and is generally divided into two classes, and a class is impact wrench routinely,
One class is pulse pneumatic spanner, and both differences are, the former can not determine moment of torsion, and the latter can but equipment price is expensive.
The pneumatic impact spanner that the assembly shop of integrated mill often service efficiency is high carries out twisting the work of bolt, but difference is advised
Lattice, different parts bolt needed for moment different, in order to ensure that the moment tighted a bolt is qualified, also need after pneumatic impact spanner is tightened
Special messenger is with the tight bolt of common wrench.Often final workman puts forth one's strength excessive, more than required screw-down torque.The most not only waste
Manpower, can't ensure that the concordance of moment, the bolt that relative screw-down torque is little are easy for loosening, there is potential safety hazard.
Summary of the invention
The present invention is in order to overcome the deficiency of above technology, it is provided that a kind of determine torque force device for pneumatic impact spanner.Can root
The moment that requires according to the specification of screw nut to be tightened and tightened position is convenient to be adjusted this and determines torsion for pneumatic impact spanner
The working torque forces of device.
The present invention overcomes what its technical problem be the technical scheme is that a kind of pneumatic impact spanner for power industry to determine torsion
Power apparatus, closes the cylinder in cylinder barrel shaped of one end open, central shaft including an one end, is installed on cylinder by holding screw
The supporter of body opening, it is installed in cylinder the inner spring sheet near blind end, is installed in cylinder the outer bullet near supporter
Reed, is provided with the square shaft identical with wrench socket square hole size outside described cylinder blind end, the inner hole wall of cylinder circumferentially side
To being provided with several spine grooves, central shaft is made up of square hole shaft and the splined shaft being connected with pneumtic impact wrench, and splined shaft is installed on cylinder
Interior and one end is rotatably supported the other end by supporter and is rotationally connected with in cylinder blind end axis hole, inner spring sheet and outer spring sheet
Being the rectangular patch body with chamfered end, chamfered end is positioned in cylinder bore spine groove, and the other end is installed on splined shaft keyway；
The length of inner spring sheet is more than the length of outer spring sheet, so inner spring sheet is for providing the spring leaf of high torque, outer spring
Sheet is for providing the spring leaf of less moment of torsion；The moment of torsion of inner spring sheet is more than the moment of torsion of outer spring sheet；Inner spring sheet and outer spring sheet exist
During use, the size according to required torsion selects outer spring sheet and the quantity of inner spring sheet so that it is be set to the moment of standard；Start
During work, pneumtic impact wrench drives central axis, is installed on central shaft due to spring leaf and spring leaf chamfered end is positioned at cylinder bore
In spine groove, so central axis can drive torsion ring to rotate, torsion ring drives wrench socket to rotate, and wrench socket is with bolt
Or nut rotates；It is provided with the T-shaped adjustment spring leaf with chamfered end between inner spring sheet and outer spring sheet, adjusts bullet
Reed one end is installed on splined shaft keyway, and the other end is positioned in cylinder bore spine groove；Adjust that spring leaf is T-shaped is installed on spline
Partial width width in shaft key groove, and it is positioned at the narrow width in cylinder bore spine groove, so adjusting spring leaf also for providing less torsion
The spring leaf of square；One plane of square shaft has been disposed radially a tapered blind hole, is provided with jump ring and card bead in tapered blind hole；And cone
The axis of great circle of shape blind hole more than the diameter of card bead, axis of small circle less than the diameter of card bead, card bead under the effect of jump ring relative to
Square shaft only exposes a segment；When assembly wrench sleeve, card bead can be depressed jump ring and realizes the square hole of wrench socket and be installed to square shaft
On, install rear card bead and can eject realization under the effect of jump ring and block wrench socket.
The invention has the beneficial effects as follows: the present invention determines torque force device simple in construction for pneumatic impact spanner, with low cost,
May be mounted at and use on common pneumatic impact spanner, make common pneumatic impact spanner have the function determining torsion, possessed equivalent pulses
The effect of pneumatic impact spanner.Carry out transforming and significantly for the torque force device of determining of pneumatic impact spanner by increasing this on original pneumatic impact spanner
Save cost.Upper bolt when, according to the moment of regulation, by adjusting inner spring sheet and the size sum of outer spring sheet
Amount so that it is be set to required moment, easy to adjust simply.When the moment of the screw-nut tightened reaches the moment of needs
Then, cylinder is by the equal moment of reaction, and now spring leaf enters elastic deformation stage, due to elastically-deformable former
Cause, spring leaf can skid off from the spine groove cylinder, and spring leaf is relative to barrel body rotation, thus cylinder stops selection and makes to be tightened
Screw-nut no longer stress.Owing to the spring leaf of now elastic deformation can beat the spine groove portion of cylinder when relative to barrel body rotation
Dividing and sending the sound to remind the moment of the tighted a bolt nut of operator just to reach the moment of regulation, it should stop behaviour
Make.
Accompanying drawing explanation
Fig. 1 is assembly of the invention connection diagram；
Fig. 2 be the present invention determine torque force device schematic diagram for pneumatic impact spanner；
Fig. 3 be the present invention determine the torque force device generalized section along central axis for pneumatic impact spanner；
Fig. 4 is that the A-A determining torque force device for pneumatic impact spanner of the present invention is to generalized section；
Fig. 5 is that the B-B determining torque force device for pneumatic impact spanner of the present invention is to generalized section；
Fig. 6 is the inner spring chip architecture schematic diagram of the present invention；
Fig. 7 is the adjustment chip architecture of the spring schematic diagram of the present invention；
Fig. 8 is the outer spring chip architecture schematic diagram of the present invention；
In figure, 1. torque force device 2.1 central shaft 2.2 holding screw 2.3 supporter 2.4 cylinder 2.5 jump ring 2.6 card bead determined by pneumtic impact wrench 2.
2.7 inner spring sheets 2.8 adjust spring leaf 2.9 outer spring sheet 2.10 square shaft 2.11 tapered blind hole 3. wrench socket.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, accompanying drawing 8 are to this
Bright it is described further.
Assembly of the invention connection diagram as shown in Figure 1, this is installed to commonly for the torque force device 2 of determining of pneumatic impact spanner
Pneumtic impact wrench 1 on, sleeve 3 is arranged on torsion ring.Common pneumtic impact wrench thus can be made to possess the effect determining torsion.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, for the torque force device 2 of determining of pneumatic impact spanner, this includes that an one end closes one
The cylinder 2.4 in cylinder barrel shaped of end opening, central shaft 2.1, it is installed on the supporter of cylinder 2.4 opening by holding screw
2.3, it is installed in cylinder 2.4 the inner spring sheet 2.7 near blind end, is installed in cylinder 2.4 the outer bullet near supporter 2.3
Reed 2.9, is provided with the square shaft 2.10 identical with wrench socket 3 square hole size, cylinder 2.4 outside described cylinder 2.4 blind end
Inner hole wall peripherally disposed have several spine grooves, central shaft 2.1 is by the square hole shaft being connected with pneumtic impact wrench 1 and splined shaft
Constitute, in splined shaft is installed on cylinder 2.4 and one end is rotatably supported the other end and is rotationally connected with cylinder 2.4 by supporter 2.3
In blind end axis hole.
Fig. 6, Fig. 8 are respectively inner spring sheet 2.7 and the schematic diagram of outer spring sheet 2.9, inner spring sheet 2.7 and outer spring sheet
2.9 are the rectangular patch body with chamfered end, and chamfered end is positioned in cylinder 2.4 endoporus spine groove, and the other end is installed on splined shaft
On keyway.During use, the size according to required torsion selects outer spring sheet 2.9 and the quantity of inner spring sheet 2.7 so that it is be set to
The moment of standard.Length due to inner spring sheet 2.7 is more than the length of outer spring sheet 2.9, so inner spring sheet 2.7 is permissible
Thering is provided the spring leaf of high torque, outer spring sheet 2.9 is for providing the spring leaf of less moment of torsion.So can moment of torsion side as required
Just the specification of cluster spring sheet and quantity.When starting working, pneumtic impact wrench 1 drives central shaft 2.1 to rotate, owing to spring leaf is installed
On central shaft 2.1 and spring leaf chamfered end is positioned in cylinder 2.4 endoporus spine groove, so central shaft 2.1 rotation can drive torsion
Ring rotates, and torsion ring drives wrench socket 3 to rotate, and wrench socket 3 rotates with bolt or nut.
When the screw-down torque of bolt and nut reach regulation moment then, wrench socket 3 by equal countertorque, this
Time spring leaf at stress reach the marginal value of its elastic deformation, due to elastically-deformable reason, spring leaf can disconnect from spine groove,
Thus central shaft 2.1 drives spring leaf can rotate relative to cylinder 2.4, in rotary course, spring leaf is due to continuously from spine groove
Disconnect thus realize beating the sound of rattling away of cylinder 2.4.Operator hears sound, quits work the most immediately.The now moment of bolt
Just reach the moment of regulation.
The T-shaped adjustment spring leaf with chamfered end it is provided with between above-mentioned inner spring sheet 2.7 and outer spring sheet 2.9
2.8, adjust spring leaf 2.8 one end and be installed on splined shaft keyway, the other end is positioned in cylinder 2.4 endoporus spine groove.Owing to adjusting
The T-shaped partial width width being installed on splined shaft keyway of spring leaf 2.8, and it is positioned at the width in cylinder 2.4 endoporus spine groove
Narrow.So adjusting spring leaf 2.8 also for providing the spring leaf of less moment of torsion.So determining torsion in the present invention for pneumatic impact spanner
Power apparatus 2, when only needing the situation of low-force square, only need to install less inner spring sheet 2.7 in cylinder, so in order to prevent
The phenomenon that inner spring sheet 2.7 is toppled over time very few, so introducing adjustment spring leaf 2.8 to primarily serve the work filling interval location
With.
One plane of above-mentioned square shaft 2.10 has been disposed radially a tapered blind hole, is provided with jump ring 2.5 and card in tapered blind hole
Pearl 2.6.And the axis of great circle of tapered blind hole is less than the diameter of card bead 2.6 more than the diameter axis of small circle of card bead 2.6, so card bead
2.6 only expose a segment under the effect of jump ring 2.5 relative to square shaft.When assembly wrench sleeve 3, card bead 2.6 can depress card
Spring 2.5 realizes the square hole of wrench socket 3 and is installed on square shaft, and installing rear card bead 2.6 can eject under the effect of jump ring 2.5
Realize blocking the effect of wrench socket 3.Make wrench socket 3 the most solid and reliable, difficult drop-off.
Claims (1)
1. the pneumatic impact spanner for power industry determine torque force device, it is characterised in that: include that one end open is closed in one end
The cylinder (2.4) in cylinder barrel shaped, central shaft (2.1), be installed on the support of cylinder (2.4) opening by holding screw
Body (2.3), be installed in cylinder (2.4) the inner spring sheet (2.7) near blind end, be installed in cylinder (2.4) near
The outer spring sheet (2.9) of support body (2.3), is provided with outside described cylinder (2.4) blind end and wrench socket (3) square hole chi
Very little identical square shaft (2.10), the inner hole wall of cylinder (2.4) is peripherally disposed several spine grooves, central shaft (2.1)
Being made up of square hole shaft and the splined shaft being connected with pneumtic impact wrench (1), splined shaft is installed in cylinder (2.4) and one end is by supporting
Body (2.3) rotatably supports the other end and is rotationally connected with in cylinder (2.4) blind end axis hole, inner spring sheet (2.7) and outward
Spring leaf (2.9) is the rectangular patch body with chamfered end, and chamfered end is positioned in cylinder (2.4) endoporus spine groove, the other end
It is installed on splined shaft keyway；The length of inner spring sheet is more than the length of outer spring sheet, so inner spring sheet is for providing bigger
The spring leaf of moment of torsion, outer spring sheet is for providing the spring leaf of less moment of torsion；The moment of torsion of inner spring sheet is more than the moment of torsion of outer spring sheet；
Inner spring sheet and outer spring sheet select outer spring sheet and the quantity of inner spring sheet according to the size of required torsion in use so that it is set
Surely the moment of standard is arrived；When starting working, pneumtic impact wrench drives central axis, owing to spring leaf is installed on central shaft and spring
Sheet chamfered end is positioned in cylinder bore spine groove, so central axis can drive torsion ring to rotate, torsion ring drives wrench socket to turn
Dynamic, wrench socket rotates with bolt or nut；Be provided with chamfered end between inner spring sheet and outer spring sheet is T-shaped
Adjustment spring leaf, adjust spring leaf one end be installed on splined shaft keyway, the other end is positioned in cylinder bore spine groove；Adjust bullet
The T-shaped partial width width being installed on splined shaft keyway of reed, and it is positioned at the narrow width in cylinder bore spine groove, so adjusting
Spring leaf is also for providing the spring leaf of less moment of torsion；One plane of square shaft has been disposed radially a tapered blind hole, peace in tapered blind hole
Equipped with jump ring and card bead；And the axis of great circle of tapered blind hole is more than the diameter of card bead, axis of small circle is less than the diameter of card bead, card bead
Only expose a segment relative to square shaft under the effect of jump ring；When assembly wrench sleeve, card bead can be depressed jump ring and realize spanner set
The square hole of cylinder is installed on square shaft, installs rear card bead and can eject realization under the effect of jump ring and block wrench socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190879.5A CN104827432B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190879.5A CN104827432B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201210103705.7A CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210103705.7A Division CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104827432A CN104827432A (en) | 2015-08-12 |
| CN104827432B true CN104827432B (en) | 2016-10-12 |
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Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190435.1A Expired - Fee Related CN104827430B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510191163.7A Expired - Fee Related CN104827433B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191870.6A Expired - Fee Related CN104827436B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191350.5A Expired - Fee Related CN104827434B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510195755.6A Expired - Fee Related CN104827437B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191611.3A Expired - Fee Related CN104827435B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201210103705.7A Expired - Fee Related CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
| CN201510190879.5A Expired - Fee Related CN104827432B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510190451.0A Expired - Fee Related CN104827431B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510190420.5A Expired - Fee Related CN104827429B (en) | 2012-04-11 | 2012-04-11 | For power industry pneumatic impact spanner determine torque force device |
Family Applications Before (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190435.1A Expired - Fee Related CN104827430B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510191163.7A Expired - Fee Related CN104827433B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191870.6A Expired - Fee Related CN104827436B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191350.5A Expired - Fee Related CN104827434B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510195755.6A Expired - Fee Related CN104827437B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201510191611.3A Expired - Fee Related CN104827435B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic impact spanner for power industry determine torque force device |
| CN201210103705.7A Expired - Fee Related CN102785208B (en) | 2012-04-11 | 2012-04-11 | A kind ofly determine torque force device for pneumatic impact spanner |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190451.0A Expired - Fee Related CN104827431B (en) | 2012-04-11 | 2012-04-11 | A kind of pneumatic wrench for power industry determine torque force device |
| CN201510190420.5A Expired - Fee Related CN104827429B (en) | 2012-04-11 | 2012-04-11 | For power industry pneumatic impact spanner determine torque force device |
Country Status (1)
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| CN104827430B (en) * | 2012-04-11 | 2016-06-01 | 国家电网公司 | A kind of pneumatic wrench for power industry determine torque force device |
| CN104476175A (en) * | 2014-11-21 | 2015-04-01 | 重庆耀勇减震器有限公司 | Tightening mechanism of damper tightening-connecting device |
| CN107081707A (en) * | 2017-05-11 | 2017-08-22 | 山东帝伯教育科技有限公司 | A kind of torsion ring for being used to determine torsion |
| CN112338849B (en) * | 2020-11-03 | 2024-08-06 | 杭州倍力耐工具有限公司 | Use convenient preset formula moment of torsion spanner |
| CN113319774B (en) * | 2021-07-07 | 2022-04-15 | 福建清流汽枪厂有限公司 | Pneumatic wrench for fishbone inner ring of gun |
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| CN202147246U (en) * | 2011-06-27 | 2012-02-22 | 东莞乐域塑胶电子制品有限公司 | Force-limiting screwdriver |
| CN202556325U (en) * | 2012-04-11 | 2012-11-28 | 田丽欣 | Torque force fixing apparatus for pneumatic wrench |
| CN104827430B (en) * | 2012-04-11 | 2016-06-01 | 国家电网公司 | A kind of pneumatic wrench for power industry determine torque force device |
-
2012
- 2012-04-11 CN CN201510190435.1A patent/CN104827430B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191163.7A patent/CN104827433B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191870.6A patent/CN104827436B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191350.5A patent/CN104827434B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510195755.6A patent/CN104827437B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510191611.3A patent/CN104827435B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201210103705.7A patent/CN102785208B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190879.5A patent/CN104827432B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190451.0A patent/CN104827431B/en not_active Expired - Fee Related
- 2012-04-11 CN CN201510190420.5A patent/CN104827429B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104827432A (en) | 2015-08-12 |
| CN104827437B (en) | 2016-08-31 |
| CN104827433A (en) | 2015-08-12 |
| CN104827434A (en) | 2015-08-12 |
| CN102785208B (en) | 2015-10-07 |
| CN104827435B (en) | 2016-06-22 |
| CN104827430A (en) | 2015-08-12 |
| CN104827436B (en) | 2016-07-13 |
| CN104827436A (en) | 2015-08-12 |
| CN104827431A (en) | 2015-08-12 |
| CN104827431B (en) | 2016-06-01 |
| CN104827433B (en) | 2016-08-31 |
| CN104827429B (en) | 2016-08-17 |
| CN102785208A (en) | 2012-11-21 |
| CN104827437A (en) | 2015-08-12 |
| CN104827430B (en) | 2016-06-01 |
| CN104827435A (en) | 2015-08-12 |
| CN104827429A (en) | 2015-08-12 |
| CN104827434B (en) | 2016-08-24 |
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Inventor after: Zhao Bin Inventor after: Zhao Junwen Inventor after: Lu Zhaowen Inventor after: Yang Yu Inventor before: Hu Yan |
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Effective date of registration: 20170512 Address after: 010000, No. 90 tin Lin Road, Saihan District, the Inner Mongolia Autonomous Region, Hohhot Patentee after: INNER MONGOLIA POWER TRANSMISSION AND DISTRIBUTION CO.,LTD. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170512 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: Yueqing City, Zhejiang province 325600 bovine cave village in Wenzhou City Patentee before: Hu Yan |
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