CN114597849B - A lightning protection device for distribution network lines - Google Patents
A lightning protection device for distribution network lines Download PDFInfo
- Publication number
- CN114597849B CN114597849B CN202210295223.XA CN202210295223A CN114597849B CN 114597849 B CN114597849 B CN 114597849B CN 202210295223 A CN202210295223 A CN 202210295223A CN 114597849 B CN114597849 B CN 114597849B
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- lightning protection
- fixedly arranged
- installation
- page
- protection device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a distribution network line lightning protection device, which comprises: the electric box is characterized in that an installation supporting page is fixedly arranged at the bottom of the outer side of the electric box, a protector base is arranged at the top of the installation supporting page, a lightning protection protector is fixedly arranged at the top of one end of the protector base, an installation threaded column is fixedly arranged in the middle of the installation supporting page, a stud hole is fixedly arranged in the middle of the protector base, and the installation threaded column is sleeved with the stud hole; the electrician's incasement portion is fixed and is provided with the fixed axle, fixed axle surface activity is provided with rotates the mounting panel, it is provided with the spacing groove to rotate mounting panel surface mounting, the spacing groove sets up with the installation screw thread post is matchd, it is provided with lock nut to rotate the mounting panel top, lock nut and installation screw thread post threaded connection. The power supply device is suitable for towers of different types, improves the power supply reliability, reduces the labor intensity of constructors, and improves the work safety of the constructors.
Description
Technical Field
The invention relates to the technical field of line lightning protection, in particular to a distribution network line lightning protection device.
Background
With the increase of distribution network lines, the safety problem of the lines cannot be ignored. The lightning overvoltage amplitude of the 10kV overhead distribution line is high, the discharge time is short, but the insulation level of the 10kV distribution line is low, under the condition of lacking a lightning protection device, the lightning overvoltage possibly occurs, so that the insulator is flashover, and a power frequency flywheel blowing wire is formed on a lightning flashover channel, so that the effect of the lightning protection device is particularly important.
However, the current lightning protection device is influenced by the installation structure, the fixed installation is complex, the disassembly process is complex, and the lightning protection device is only applicable to the problem of the linear towers.
Disclosure of Invention
The invention provides a distribution network line lightning protection device, which is used for solving the problems that the lightning protection device is influenced by an installation structure, is complex in fixed installation and complex in disassembly process and is only suitable for a linear tower at present.
The embodiment of the invention provides a lightning protection device for a distribution network line, which comprises the following components: the electric box is characterized in that an installation supporting page is fixedly arranged at the bottom of the outer side of the electric box, a protector base is arranged at the top of the installation supporting page, a lightning protection protector is fixedly arranged at the top of one end of the protector base, an installation threaded column is fixedly arranged in the middle of the installation supporting page, a stud hole is fixedly arranged in the middle of the protector base, and the installation threaded column is sleeved with the stud hole;
the electrician's incasement portion is fixed and is provided with the fixed axle, fixed axle surface activity is provided with rotates the mounting panel, it is provided with the spacing groove to rotate mounting panel surface mounting, the spacing groove sets up with the installation screw thread post is matchd, it is provided with lock nut to rotate the mounting panel top, lock nut and installation screw thread post threaded connection.
Optionally, the fixed support post that is provided with in installation support page surface, support post length and protector base thickness correspond the setting, protector base surface fixed is provided with the support hole, support post and support hole match grafting.
Optionally, the spacing groove is the arc setting, the circular arc axle center and the fixed axle collineation setting of spacing groove, electrician's case top outside is fixed and is provided with the block groove, rotate mounting panel and the matching joint of block groove, it is fixed to be provided with the dwang to rotate the mounting panel edge.
Optionally, the lightning protection device bottom fixedly connected with connects the line.
Optionally, electrician's case outside one side articulates and is provided with the revolving door, revolving door surface one side is fixed to be provided with the lock page or leaf groove, electrician's case outside opposite side is fixed to be provided with the lock page or leaf, lock page or leaf groove and lock page or leaf are mateed the grafting.
Optionally, the rotation limiting groove is fixedly arranged at the inner side edge of the rotation support plate, the limiting clamping strip is fixedly arranged on the inner surface of the rotation door, and the limiting clamping strip is matched and clamped with the rotation limiting groove.
Optionally, the number of the support columns is 4, and 4 support columns are fixedly arranged at four corners of the surface of the mounting support page.
Optionally, the electrical box is rectangular in shape.
Optionally, the limiting clip strip is in interference fit with the rotation limiting groove.
Optionally, to 10kV overhead distribution lines.
From the above technical scheme, the invention has the following advantages:
the invention discloses a distribution network line lightning protection device, which comprises: the electric box is characterized in that an installation supporting page is fixedly arranged at the bottom of the outer side of the electric box, a protector base is arranged at the top of the installation supporting page, a lightning protection protector is fixedly arranged at the top of one end of the protector base, an installation threaded column is fixedly arranged in the middle of the installation supporting page, a stud hole is fixedly arranged in the middle of the protector base, and the installation threaded column is sleeved with the stud hole; the electrician's incasement portion is fixed and is provided with the fixed axle, fixed axle surface activity is provided with rotates the mounting panel, it is provided with the spacing groove to rotate mounting panel surface mounting, the spacing groove sets up with the installation screw thread post is matchd, it is provided with lock nut to rotate the mounting panel top, lock nut and installation screw thread post threaded connection.
So, carry out circuit lightning protection to the distribution lines through setting up lightning protection device, the protector base mounting of lightning protection device bottom is on the installation supporting page, installation screw thread post cup joints with the double-screw bolt hole, the operation rotates the mounting panel and rotates protector base top, spacing groove and installation screw thread post matching joint, locking nut screws again, compress tightly and rotate the mounting panel and fix the protector base, the succinct construction installation of being convenient for of design is suitable for the shaft tower of different grade type, the power supply reliability has been improved, constructor's intensity of labour has been reduced, constructor's security of working has been improved.
Drawings
For a clearer description of embodiments of the invention or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, from which, without inventive faculty, other drawings can be obtained for a person skilled in the art;
fig. 1 is a schematic diagram of the overall structure of a lightning protection device for a distribution network line according to the present invention;
FIG. 2 is a schematic view of the installation support page and the protector base of the distribution network line lightning protection device of the present invention;
FIG. 3 is a schematic structural view of an installation supporting page of the lightning protection device for distribution network lines according to the present invention;
fig. 4 is a schematic top view of a rotating support plate of the lightning protection device for distribution network lines.
In the figure: 1. an electrician box; 2. installing a supporting page; 3. a protector base; 4. a lightning protection device; 5. installing a threaded column; 6. stud holes; 7. a fixed shaft; 8. rotating the support plate; 9. a limit groove; 10. a lock nut; 11. a support column; 12. a bracket hole; 13. a clamping groove; 14. a rotating lever; 15. connecting a lead; 16. a rotating door; 17. a page locking groove; 18. locking pages; 19. a rotation limiting groove; 20. limiting the clamping strip.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, a schematic diagram of an overall structure of a lightning protection device for a distribution network line according to the present invention includes: the electric box 1, the fixed installation supporting page 2 that is provided with in electrician's case 1 outside bottom, installation supporting page 2 top is provided with protector base 3, protector base 3 one end top is fixed and is provided with lightning protection protector 4, installation supporting page 2 middle part is fixed and is provided with installation screw thread post 5, the fixed stud hole 6 that is provided with in the middle part of protector base 3, installation screw thread post 5 cup joints with stud hole 6;
The electrician box 1 is internally and fixedly provided with a fixed shaft 7, a rotary support plate 8 is movably arranged on the surface of the fixed shaft 7, a limit groove 9 is fixedly arranged on the surface of the rotary support plate 8, the limit groove 9 is matched with the mounting threaded column 5, a locking nut 10 is arranged at the top of the rotary support plate 8, and the locking nut 10 is in threaded connection with the mounting threaded column 5.
In the embodiment of the invention, the installation thread post 5 is sleeved with the stud hole 6, the protector base 3 at the bottom of the lightning protector 4 is installed on the installation supporting page 2, the installation thread post 5 is sleeved with the stud hole 6, and the lightning protector 4 performs line lightning protection on the distribution line; the operation rotates mounting plate 8 and rotates to protector base 3 top, screws lock nut 10, compresses tightly and rotates mounting plate 8 and fix protector base 3, and the meter is succinct the construction installation of being convenient for, has improved the power supply reliability, has reduced constructor's intensity of labour, has improved constructor's security of working.
Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of an installation supporting page and a protector base of the distribution network line lightning protection device of the present invention, and fig. 3 is a schematic structural diagram of an installation supporting page of the distribution network line lightning protection device of the present invention, a support post 11 is fixedly arranged on a surface of the installation supporting page 2, a length of the support post 11 is correspondingly arranged with a thickness of the protector base 3, a support hole 12 is fixedly arranged on a surface of the protector base 3, and the support post 11 is in matching insertion connection with the support hole 12.
In an alternative embodiment, the number of the bracket posts 11 is 4, and 4 bracket posts 11 are fixedly arranged at four corners of the surface of the mounting support page 2.
In the embodiment of the invention, the four support posts 11 correspond to the four support holes 12, so that the stabilizing effect of the protector base 3 can be improved.
Referring to fig. 4, a schematic top view of a rotating support plate of a distribution network line lightning protection device of the present invention is shown, the limiting groove 9 is arc-shaped, the arc axis of the limiting groove 9 is arranged co-linear with the fixed shaft 7, a clamping groove 13 is fixedly arranged on the outer side of the top of the electrical box 1, the rotating support plate 8 is in matching and clamping connection with the clamping groove 13, and a rotating rod 14 is fixedly arranged at the edge of the rotating support plate 8.
In the embodiment of the invention, the rotary support plate 8 rotates to the top of the protector base 3 to be clamped with the clamping groove 13, the outer end of the rotary support plate 8 extends out of the clamping groove 13, the rotary support plate 8 is positioned at the top of the protector base 3, the stabilizing effect of the rotary support plate 8 is improved, and the circular-arc limiting groove 9 is accurately clamped with the mounting threaded column 5.
Further, the bottom end of the lightning protection device 4 is fixedly connected with a connecting wire 15.
In the embodiment of the present invention, the lead 15 is electrically connected to conduct current.
Further, a rotary door 16 is hinged to one side of the outer portion of the electrical box 1, a lock page groove 17 is fixedly formed in one side of the surface of the rotary door 16, a lock page 18 is fixedly formed in the other side of the outer portion of the electrical box 1, and the lock page groove 17 is in matched insertion connection with the lock page 18.
In the embodiment of the invention, the rotary door 16 is arranged outside the electrical box 1 to realize opening and closing, and the lock leaves 18 extend out of the lock leaf grooves 17 and are locked on the lock leaves 18, so that the management of the device is facilitated.
Further, a rotation limiting groove 19 is fixedly formed in the inner side edge of the rotation support plate 8, a limiting clamping strip 20 is fixedly arranged on the inner surface of the rotation door 16, and the limiting clamping strip 20 is in matched clamping connection with the rotation limiting groove 19.
In the embodiment of the invention, the rotary support plate 8 rotates to the top of the protector base 3 to be clamped with the clamping groove 13, then the rotary door 16 is closed, the limiting clamping strip 20 is matched and clamped with the rotary limiting groove 19, the rotary state of the rotary support plate 8 is fixed, and the installation stability effect of the lightning protection protector 4 is improved.
In an alternative embodiment, the electrical box 1 is rectangular in shape.
In an alternative embodiment, the limiting snap bar 20 is an interference fit with the rotation limiting slot 19.
It should be noted that during the mechanical installation process, there are many parts that need to be tightly fitted to prevent the connection from coming off or transmitting large torque, thus creating an interference technique. The interference fit is to enlarge and deform the hole by using the elasticity of the material to sleeve the hole on the shaft, and the hole is restored to generate the tightening force of the shaft so as to connect the two parts. In the interference fit tolerance band diagram, the tolerance band of the bore is below the tolerance band of the shaft.
In an alternative embodiment, it is applied to a 10kV overhead distribution line.
In specific implementation, when carrying out device installation operation, the protector base 3 of lightning protection protector 4 bottom is installed on installation supporting page 2, installation screw thread post 5 cup joints with stud hole 6, support post 11 matches grafting with support hole 12, operation rotates support plate 8 and rotates protector base 3 top, rotate support plate 8 and rotate protector base 3 top and block groove 13 joint, spacing groove 9 matches the joint with installation screw thread post 5, lock nut 10 is screwed again, compress tightly and rotate support plate 8 and fix protector base 3, close and rotate door 16, restriction clamping bar 20 matches the joint with rotation restriction groove 19, fix the rotation state of rotating support plate 8, improve lightning protection protector 4's installation stabilization effect, seal block groove 13 simultaneously, follow-up lock page 18 stretches out from lock page groove 17, and lock on lock page 18. Through setting up electrician's case 1, electrician's case 1 outside has the revolving door to realize opening and closing, rotate mounting plate 8 rotatory to protector base 3 top and the joint of block groove 13, the revolving door of closing again, restriction clamping strip 20 and the matching joint of rotation restriction groove 19, fix the rotation state of rotating mounting plate 8, improve the installation stabilization effect of lightning protection device 4, seal block groove 13 simultaneously, follow-up lock page 18 stretches out from lock page groove 17, and lock on lock page 18, the management design of convenient device is succinct be convenient for construction installation, power supply reliability has been improved, constructor's intensity of labour has been reduced, constructor's operational safety has been improved, lightning protection device 4 carries out the line lightning protection to the distribution lines.
The embodiment of the invention discloses an overall structure schematic diagram of a distribution network line lightning protection device, which comprises: the electric box 1, the fixed installation supporting page 2 that is provided with in electrician's case 1 outside bottom, installation supporting page 2 top is provided with protector base 3, protector base 3 one end top is fixed and is provided with lightning protection protector 4, installation supporting page 2 middle part is fixed and is provided with installation screw thread post 5, the fixed stud hole 6 that is provided with in the middle part of protector base 3, installation screw thread post 5 cup joints with stud hole 6; the electrician box 1 is internally and fixedly provided with a fixed shaft 7, a rotary support plate 8 is movably arranged on the surface of the fixed shaft 7, a limit groove 9 is fixedly arranged on the surface of the rotary support plate 8, the limit groove 9 is matched with the mounting threaded column 5, a locking nut 10 is arranged at the top of the rotary support plate 8, and the locking nut 10 is in threaded connection with the mounting threaded column 5.
So, carry out circuit lightning protection to the distribution lines through setting up lightning protection device 4, the protector base 9 of lightning protection device 4 bottom is installed on installation supporting page 2, installation screw thread post 5 cup joints with double-screw bolt hole 6, the operation rotates support plate 8 and rotates protector base 3 top, spacing groove 19 and installation screw thread post 5 matching joint, lock nut 10 screws again, compress tightly and rotate support plate 8 and fix protector base 3, the succinct construction installation of being convenient for of design is suitable for the shaft tower of different grade type, power supply reliability has been improved, constructor's intensity of labour has been reduced, constructor's security of working has been improved.
It should be understood that in the present application, "at least one (item)" means one or more, and "a plurality" means two or more. "and/or" for describing the association relationship of the association object, the representation may have three relationships, for example, "a and/or B" may represent: only a, only B and both a and B are present, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (6)
1. The utility model provides a join in marriage net twine way lightning protection device which characterized in that includes: the electric box is characterized in that an installation supporting page is fixedly arranged at the bottom of the outer side of the electric box, a protector base is arranged at the top of the installation supporting page, a lightning protection protector is fixedly arranged at the top of one end of the protector base, an installation threaded column is fixedly arranged in the middle of the installation supporting page, a stud hole is fixedly arranged in the middle of the protector base, and the installation threaded column is sleeved with the stud hole;
The electrician box is characterized in that a fixed shaft is fixedly arranged in the electrician box, a rotary support plate is movably arranged on the surface of the fixed shaft, a limit groove is fixedly arranged on the surface of the rotary support plate, the limit groove is matched with the mounting threaded column, a locking nut is arranged at the top of the rotary support plate, and the locking nut is in threaded connection with the mounting threaded column;
The limiting groove is arranged in an arc shape, the arc axis of the limiting groove is arranged in line with the fixed shaft, a clamping groove is fixedly arranged on the outer side of the top of the electrical box, the rotary support plate is matched and clamped with the clamping groove, and a rotary rod is fixedly arranged at the edge of the rotary support plate;
A rotary door is hinged to one side of the outer part of the electrical box, a lock page slot is fixedly arranged on one side of the surface of the rotary door, a lock page is fixedly arranged on the other side of the outer part of the electrical box, and the lock page slot is matched and spliced with the lock page;
the surface of the mounting support page is fixedly provided with a support column, the length of the support column is correspondingly arranged with the thickness of the protector base, the surface of the protector base is fixedly provided with a support hole, and the support column is matched and spliced with the support hole;
The inner side edge of the rotary support plate is fixedly provided with a rotary limiting groove, the inner surface of the rotary door is fixedly provided with a limiting clamping strip, and the limiting clamping strip is in matched clamping connection with the rotary limiting groove.
2. The distribution network line lightning protection device according to claim 1, wherein the lightning protection device bottom end is fixedly connected with a connecting wire.
3. The distribution network line lightning protection device according to claim 1, wherein the number of the support columns is 4, and 4 support columns are fixedly arranged at four corners of the surface of the installation support page.
4. The distribution network line lightning protection device of claim 1, wherein the electrical box is rectangular in shape.
5. The distribution network line lightning protection device of claim 1, wherein the limiting clip is an interference fit with the rotation limiting slot.
6. The distribution network line lightning protection device of claim 1, wherein the device is applied to a 10kV overhead distribution line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210295223.XA CN114597849B (en) | 2022-03-24 | 2022-03-24 | A lightning protection device for distribution network lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210295223.XA CN114597849B (en) | 2022-03-24 | 2022-03-24 | A lightning protection device for distribution network lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114597849A CN114597849A (en) | 2022-06-07 |
| CN114597849B true CN114597849B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210295223.XA Active CN114597849B (en) | 2022-03-24 | 2022-03-24 | A lightning protection device for distribution network lines |
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| CN (1) | CN114597849B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290177A (en) * | 2011-07-27 | 2011-12-21 | 武汉水院电气有限责任公司 | 10kV multi-stage series gap lightning stroke flashover protector with arc striking electrode |
| CN202248952U (en) * | 2011-09-21 | 2012-05-30 | 中建钢构有限公司 | Adjustable steel beam tool clamp |
| CN202661021U (en) * | 2012-05-05 | 2013-01-09 | 芜湖力天检具有限公司 | Rotating movement mechanism assembly |
| CN204639513U (en) * | 2015-05-27 | 2015-09-16 | 安徽江淮汽车股份有限公司 | A kind of welded limiting fixture |
| CN206415916U (en) * | 2016-12-30 | 2017-08-18 | 上海昌强重工机械有限公司 | Special piece processing tool |
| CN206677458U (en) * | 2017-03-31 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | Weld positioning tool |
| CN107617898A (en) * | 2016-07-14 | 2018-01-23 | 扬州添博汽车工装有限公司 | A kind of new positioning fixture |
| CN208723377U (en) * | 2018-09-19 | 2019-04-09 | 张凯生 | A kind of comprehensive distribution box |
| CN209159938U (en) * | 2018-10-27 | 2019-07-26 | 东华理工大学 | Receive multi-beam mounting device in the portable side being installed on research vessel |
| CN209504433U (en) * | 2018-10-10 | 2019-10-18 | 中国建筑第二工程局有限公司 | Assembled building wall component |
| CN210685659U (en) * | 2019-08-02 | 2020-06-05 | 广州市索西纳建材有限公司 | Multi-direction adjustable door lock |
| CN211128699U (en) * | 2020-01-08 | 2020-07-28 | 昆山雷克斯电子科技有限公司 | Printed circuit board |
| CN211405349U (en) * | 2020-03-21 | 2020-09-01 | 江苏全东电力科技有限公司 | Bridge installation fixing support |
| CN211736044U (en) * | 2020-01-06 | 2020-10-23 | 中国建筑第八工程局有限公司 | Rotary push-pull system for steel beam mounting connecting plate |
| CN111925938A (en) * | 2020-08-25 | 2020-11-13 | 张洪涛 | Mechanical stimulation loading device for three-dimensional cell culture support |
| CN212779615U (en) * | 2020-09-04 | 2021-03-23 | 中船动力研究院有限公司 | Thermocouple support, diesel engine and ship |
| CN213341104U (en) * | 2020-09-04 | 2021-06-01 | 陈俊杰 | Lightning protection device for power distribution network line |
| CN215070887U (en) * | 2021-07-27 | 2021-12-07 | 武汉神宇电气有限公司 | A protective structure of a distribution box |
| CN215989829U (en) * | 2021-09-27 | 2022-03-08 | 米昂光伏科技（上海）有限公司 | Lightning protection block terminal |
-
2022
- 2022-03-24 CN CN202210295223.XA patent/CN114597849B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290177A (en) * | 2011-07-27 | 2011-12-21 | 武汉水院电气有限责任公司 | 10kV multi-stage series gap lightning stroke flashover protector with arc striking electrode |
| CN202248952U (en) * | 2011-09-21 | 2012-05-30 | 中建钢构有限公司 | Adjustable steel beam tool clamp |
| CN202661021U (en) * | 2012-05-05 | 2013-01-09 | 芜湖力天检具有限公司 | Rotating movement mechanism assembly |
| CN204639513U (en) * | 2015-05-27 | 2015-09-16 | 安徽江淮汽车股份有限公司 | A kind of welded limiting fixture |
| CN107617898A (en) * | 2016-07-14 | 2018-01-23 | 扬州添博汽车工装有限公司 | A kind of new positioning fixture |
| CN206415916U (en) * | 2016-12-30 | 2017-08-18 | 上海昌强重工机械有限公司 | Special piece processing tool |
| CN206677458U (en) * | 2017-03-31 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | Weld positioning tool |
| CN208723377U (en) * | 2018-09-19 | 2019-04-09 | 张凯生 | A kind of comprehensive distribution box |
| CN209504433U (en) * | 2018-10-10 | 2019-10-18 | 中国建筑第二工程局有限公司 | Assembled building wall component |
| CN209159938U (en) * | 2018-10-27 | 2019-07-26 | 东华理工大学 | Receive multi-beam mounting device in the portable side being installed on research vessel |
| CN210685659U (en) * | 2019-08-02 | 2020-06-05 | 广州市索西纳建材有限公司 | Multi-direction adjustable door lock |
| CN211736044U (en) * | 2020-01-06 | 2020-10-23 | 中国建筑第八工程局有限公司 | Rotary push-pull system for steel beam mounting connecting plate |
| CN211128699U (en) * | 2020-01-08 | 2020-07-28 | 昆山雷克斯电子科技有限公司 | Printed circuit board |
| CN211405349U (en) * | 2020-03-21 | 2020-09-01 | 江苏全东电力科技有限公司 | Bridge installation fixing support |
| CN111925938A (en) * | 2020-08-25 | 2020-11-13 | 张洪涛 | Mechanical stimulation loading device for three-dimensional cell culture support |
| CN212779615U (en) * | 2020-09-04 | 2021-03-23 | 中船动力研究院有限公司 | Thermocouple support, diesel engine and ship |
| CN213341104U (en) * | 2020-09-04 | 2021-06-01 | 陈俊杰 | Lightning protection device for power distribution network line |
| CN215070887U (en) * | 2021-07-27 | 2021-12-07 | 武汉神宇电气有限公司 | A protective structure of a distribution box |
| CN215989829U (en) * | 2021-09-27 | 2022-03-08 | 米昂光伏科技（上海）有限公司 | Lightning protection block terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114597849A (en) | 2022-06-07 |
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