CN107859417A - A kind of composite insulation cross arm - Google Patents
A kind of composite insulation cross arm Download PDFInfo
- Publication number
- CN107859417A CN107859417A CN201711192229.XA CN201711192229A CN107859417A CN 107859417 A CN107859417 A CN 107859417A CN 201711192229 A CN201711192229 A CN 201711192229A CN 107859417 A CN107859417 A CN 107859417A
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- China
- Prior art keywords
- rotating shaft
- cross arm
- cavity
- composite insulation
- clamp
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a kind of composite insulation cross arm, including plug, the plug is in cylindrical structure, and the plug outer surface is provided with rubber sheath；The plug both ends are provided with the cartridge clamp of crimping；Described cartridge clamp one end offers the cavity that socket is matched with the plug, the cartridge clamp other end closing；One of them described cartridge clamp blind end side wall is provided with the first connection gold utensil for being secured to connection, is provided with ellipse through hole in the middle part of first connection gold utensil, top middle portion is provided with deep-slotted chip breaker；Top both sides are provided with lug, wherein a lug side wall is fixedly connected with the cartridge clamp；Another cartridge clamp blind end side wall is fixedly connected with one end of the second connection gold utensil；Second connection gold utensil is in integrally the curved circular column type of indent, and the other end is provided with symmetrical arc lug；The second connection gold utensil side wall is provided with the lock assembly for being secured to connection.
Description
Technical field
The invention belongs to power network apparatus field；More particularly to a kind of composite insulation cross arm.
Background technology
It can be seen from result of study, lightning stroke flashover depends on overvoltage value and line insulation is horizontal, and research shows that thunderbolt is drawn
The electric arc order of severity risen is reduced with the reduction along the electric-force gradient of flashover path；So it is horizontal to improve line insulation
Lightning stroke flashover can be significantly improved with the insulating properties of increase electric force pole tower；And current distribution network system major part electric power both at home and abroad
Shaft tower is horizontal irony cross-arm, wooden cross-arm, porcelain cross-arm；Wooden cross-arm insufficient strength, corrosion resistance are weak；Porcelain cross-arm intensity
Not enough, resist bending ability is inadequate；Irony cross-arm insulating properties are poor, easily get rusty；And before insulator crossarm installation of the prior art
The insulator crossarm for needing to be replaced unclamps and is moved down into correct position, then can carry out the peace of new insulator crossarm
Dress, need to be fixed by metal hinge during installation, and installation process is complicated, needs two people to coordinate carries out, and needs after installation
Wire on original insulator crossarm is flipped up to insulator crossarm；Staff's multiple-contact live wire in operation process,
Existing dangerous spot is more, and labor intensity is big, is unfavorable for trouble free service.
The content of the invention
In order to solve problems of the prior art, the present invention provides a kind of composite insulation cross arm.
Concrete technical scheme of the present invention is as follows：
A kind of composite insulation cross arm, including plug, the plug are in cylindrical structure, and the plug outer surface is provided with rubber
Sheath；The plug both ends are provided with the cartridge clamp of crimping；Described cartridge clamp one end offers matches socket with the plug
Cavity, cartridge clamp other end closing；One of them described cartridge clamp blind end side wall is provided with and is secured to connect
The first connection gold utensil, be provided with ellipse through hole in the middle part of first connection gold utensil, top middle portion is provided with deep-slotted chip breaker；Top both sides
Provided with lug, wherein a lug side wall is fixedly connected with the cartridge clamp；Another described cartridge clamp blind end side wall is consolidated
Surely one end of the second connection gold utensil is connected；Second connection gold utensil integrally be in indent curved circular column type, the other end be provided with pair
Claim arc lug, have gap between the arc lug, the gap location of described second connection gold utensil one end is provided with curved channel；
The second connection gold utensil side wall is provided with the lock assembly for being secured to connection.
Optimization, the lock assembly includes the side plate being fixedly connected with second connection component；In the middle part of the side plate
Provided with the arc string holes through front and rear surfaces；The arc string holes opening upwards；The arc string holes opening is provided with and extended through
The first vertical slot at the top of the side plate；The side plate is additionally provided with parallel with first vertical slot close to one end of the cartridge clamp
The second vertical slot；The second vertical slot bottom be extended with to the cartridge clamp direction through the side plate front and rear surfaces and with institute
State the neck of the second vertical slot connection；The translot through top, bottom and side wall is provided with the middle part of the side plate；Inside the translot
Provided with first rotating shaft, the first rotating shaft both ends respectively with the side plate inwall vertical connection；The company of rotation in the first rotating shaft
It is connected to rotation clamp.
Optimization, the clamp top that rotates is provided with the pressuring line groove matched with the arc string holes；The rotation clamp is remote
The first cavity is offered from first rotating shaft end face, first inside cavity slidably connects connecting seat；Outside the connecting seat
Side is provided with fixed plate；The fixture block with the pocket matches is respectively equipped with the middle part of the fixed plate front and back end；The fixed plate bottom
Provided with push-and-pull component.
Optimization, the cartridge clamp middle inside length direction is provided with card article；In the card article front side wall and rear wall
Portion offers the second cavity；Described second cavity one end is provided with the second rotating shaft vertically；Second rotating shaft is provided with triangle card
Block, the triangle fixture block can pass in and out second inside cavity；Be socketed with torsion spring in second rotating shaft, the one end with
The card article connection, the other end are connected with the second rotating shaft.
Optimization, plug both ends bottom offers the 3rd cavity；3rd cavity inner wall is provided with and the triangle
The groove of fixture block matching.
Optimization, the push-and-pull component is included vertically in two support bases being parallel to each other of fixed plate bottom；The branch
The 3rd rotating shaft of rotation connection is provided between dagger；3rd rotating shaft is provided with pull bar connected vertically；The pull bar
Lug is provided with away from the 3rd rotating shaft one end.
Optimization, the height of second vertical slot is equal with the distance at the top of the fixture block to the fixed plate bottom.
Optimization, the curved line hole surface is provided with electro-insulating rubber.
Optimization, the fixed plate lateral area is equal with the rotation clamp lateral area.
Optimization, the first cavity both sides inwall is parallel to be provided with Damping sliding rail；The connecting seat front and rear sides be provided with
The litter of the Damping sliding rail matching.
Beneficial effects of the present invention are as follows：
1. improving, line insulation is horizontal and the insulating properties of increase electric force pole tower significantly improve lightning stroke flashover, improves circuit
Security performance and service life；
2. it is not easy to get rusty, it is not perishable, it can use for a long time；
3. it need not be fixed during installation by metal hinge, and installation process is simple, does not need more people to coordinate progress,
It is rapid convenient；Staff does not need multiple-contact live wire in operation process, improves safety coefficient, and reduce work
Intensity, more conducively trouble free service.
Brief description of the drawings
Fig. 1 is a kind of composite insulation cross arm integral disassembly, assembly figure provided by the invention；
Fig. 2 is a kind of composite insulation cross arm cartridge clamp provided by the invention, the second connection gold utensil connects with lock assembly
Schematic diagram；
Fig. 3 is a kind of composite insulation cross arm lock assembly structural representation provided by the invention；
Fig. 4 rotates clamp schematic diagram for a kind of composite insulation cross arm provided by the invention；
Fig. 5 is a kind of composite insulation cross arm card article schematic diagram provided by the invention；
Fig. 6 is a kind of composite insulation cross arm plug figure provided by the invention；
Fig. 7 is enlarged drawing at Fig. 6 A；
Fig. 8 is Fig. 7 B-B sectional views；
Fig. 9 is a kind of composite insulation cross arm push-and-pull component diagram provided by the invention；
Figure 10 is a kind of the first cavity of composite insulation cross arm schematic diagram provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
Refer to shown in Fig. 1, the present invention provides a kind of composite insulation cross arm, including plug 2, the plug 2 are in cylindrical type
Structure, the outer surface of plug 2 are provided with rubber sheath 3；The both ends of plug 2 are provided with the cartridge clamp 4 of crimping；The cylinder gripper
Have 4 one end and offer the cavity that socket is matched with the plug 2, the other end of cartridge clamp 4 closing；One of them described circle
Collet chuck has 4 blind end side walls and is provided with the first connection gold utensil 1 for being secured to connection, and the middle part of the first connection gold utensil 1 is provided with ellipse
Round through hole 11, top middle portion are provided with deep-slotted chip breaker 13；Top both sides are provided with lug 12, wherein the side wall of a lug 12 and the cylinder
Fixture 4 is fixedly connected；Another blind end side wall of cartridge clamp 4 is fixedly connected with one end of the second connection gold utensil 6；Described
Two connection gold utensil 6 is overall be in indent curved circular column type, the other end is provided with symmetrical arc lug 61, between the arc lug 61
There is gap, the gap location of described one end of second connection gold utensil 6 is provided with curved channel；The side wall of second connection gold utensil 6 is provided with
It is secured to the lock assembly 5 of connection.
In use, connection gold utensil is fixedly connected on pillar；Plug injects cartridge clamp and is connected together；Electric wire carries
Locked on lock assembly.
Embodiment 2
Refer to shown in Fig. 2 and Fig. 3, as a kind of technical optimization scheme of the present invention, the lock assembly 5 includes and institute
State the side plate 51 that the second connection gold utensil 6 is fixedly connected；The middle part of side plate 51 is provided with the arc string holes 52 through front and rear surfaces；Institute
State the opening upwards of arc string holes 52；The opening of arc string holes 52 is provided with the first vertical slot for extending through the top of side plate 51
515；The side plate 51 is additionally provided with second vertical slot parallel with first vertical slot 515 close to one end of the cartridge clamp 4
516；The bottom of second vertical slot 516 be extended with to the direction of cartridge clamp 4 through the front and rear surfaces of side plate 51 and with institute
State the neck 518 of the second vertical slot 516 connection；The middle part of side plate 51 is provided with the translot 517 through top, bottom and side wall；
The inside of translot 517 is provided with first rotating shaft 514, and the both ends of first rotating shaft 514 are vertical with the inwall of side plate 51 respectively to be connected
Connect；It is rotatably connected in the first rotating shaft 514 and rotates clamp 54；Arc string holes is to play a part of placing electric wire, and second is perpendicular
The effect of groove is the purpose that can be passed through for fixture block；The purpose of neck plays the purpose engaged with fixture block.
For the first time in use, electric wire is placed in bank shape string holes along the first vertical slot, only needed line when replacing cross-arm
Road is taken out along the first vertical slot and is placed on above new cross-arm, and is placed on along the first vertical slot in arc string holes；So displacement
The frequency of exposure of staff and circuit is reduced, improves safety coefficient and operating efficiency.
Embodiment 3
Refer to shown in Fig. 4, as a kind of technical optimization scheme of the present invention, rotation clamp 54 top is provided with and institute
State the pressuring line groove 513 of the matching of arc string holes 52；The rotation clamp 54 offers the first cavity away from the end face of first rotating shaft 514
520, the internal slide of the first cavity 520 is connected with connecting seat 58；The outside of connecting seat 58 is provided with fixed plate 510；It is described
The fixture block 511 matched with the neck 518 is respectively equipped with the middle part of the front and back end of fixed plate 510；The bottom of fixed plate 510 is provided with and pushed away
Draw component；Pressuring line groove is the purpose for reaching fixed electric wire.
In use, electric wire is directly put into arc wire casing from the first vertical slot top, then will by holding push-and-pull component
Fixed plate turns in translot and pressuring line groove is pressed on the electric wire in arc wire casing, then promotes push-and-pull component, and fixed plate is to card
Groove direction is moved, and drives connecting seat to be moved to neck direction, now fixture block is moved in neck and is connected together, so as to reach
Fixation；When needing to replace cross-arm, by pulling hand handle, fixed plate is driven away from neck, so that fixture block exits neck, completely
It is lifted up when exiting by hand handle by clamp is rotated, takes out circuit, replace cross-arm.
Embodiment 4
Refer to shown in Fig. 5, as a kind of technical optimization scheme of the present invention, the middle inside length of cartridge clamp 4
Direction is provided with card article 41；The second cavity is offered in the middle part of the front side wall of card article 41 and rear wall；Described second cavity one end
It is provided with the second rotating shaft 44 vertically；Second rotating shaft 44 is provided with triangle fixture block 42, and the triangle fixture block 42 can pass in and out described
Two inside cavities；Torsion spring 43 is socketed with second rotating shaft 44, described one end of torsion spring 43 is connected with the card article 41, the other end
It is connected with the second rotating shaft 44；The effect of card article is to play positioning purpose inside guiding plug insertion cartridge clamp；Triangle fixture block
Purpose is in order to which the plug of entrance is fixed；The effect of second cavity is to play the effect of triangle fixture block smooth rotation；Torsion spring
Purpose be to reset triangle fixture block.
Refer to shown in Fig. 6 to Fig. 8, as a kind of technical optimization scheme of the present invention, the both ends bottom of plug 2 opens up
There is the 3rd cavity 21；The inwall of 3rd cavity 21 is provided with the groove 22 matched with the triangle fixture block 42；Reach smooth entrance
Cartridge clamp and the purpose being fixed.
In use, in plug insertion U-shaped card slot, the 3rd cavity of plug lower end is in card article insertion U-shaped card article, triangle
Fixture block can be squeezed into the second cavity, and groove is just moved to triangle fixture block position when plug one end contacts with cartridge clamp bottom
Put, triangle fixture block is snapped onto under the restoring force effect of torsion spring in groove；So as to reach fixation.
Embodiment 5
Please continue to refer to shown in Fig. 9, as a kind of technical optimization scheme of the present invention, the push-and-pull component includes vertically existing
The support base 57 that two of fixed plate bottom are parallel to each other；The 3rd rotating shaft 59 of rotation connection is provided between the support column 57；
3rd rotating shaft 59 is provided with pull bar 56 connected vertically；The pull bar 56 is provided with lug away from the one end of the 3rd rotating shaft 59
55；Play a part of push-and-pull fixed plate.
Embodiment 6
As a kind of technical optimization scheme of the present invention, the height of second translot 516 arrives with the top of fixture block 511
The distance of the bottom of fixed plate 510 is equal；Reach the purpose that fixture block is smoothly caught in neck.
As a kind of technical optimization scheme of the present invention, the surface of arc string holes 52 is provided with electro-insulating rubber 53.
As a kind of technical optimization scheme of the present invention, the lateral area of fixed plate 510 and rotation clamp 54 side
Product is equal.
Embodiment 7
Refer to shown in Figure 10, as a kind of technical optimization scheme of the present invention, the both sides inwall of the first cavity 520 is put down
Row is provided with Damping sliding rail 519；The front and rear sides of connecting seat 58 are provided with the litter 512 matched with the Damping sliding rail 519；Reach
The purpose smoothly slided between connecting seat and the first cavity.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations；Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of composite insulation cross arm, including plug (2), it is characterised in that：The plug (2) is in cylindrical structure, the core
Rod (2) outer surface is provided with rubber sheath (3)；Plug (2) both ends are provided with the cartridge clamp (4) of crimping；The cartridge clamp
(4) one end offers the cavity that socket is matched with the plug (2), cartridge clamp (4) other end closing；One of institute
State cartridge clamp (4) blind end side wall and be provided with the first connection gold utensil (1) for being secured to connection, first connection gold utensil (1)
Middle part is provided with ellipse through hole (11), and center bottom is provided with deep-slotted chip breaker (13)；Two bottom sides are provided with lug (12), wherein a lug
(12) side wall is fixedly connected with the cartridge clamp (4)；Another described cartridge clamp (4) blind end side wall is fixedly connected with second
One end of connection gold utensil (6)；Second connection gold utensil (6) is in integrally the curved circular column type of indent, and the other end is provided with symmetrical
Arc lug (61), there is gap between the arc lug (61), the gap location of described second connection gold utensil (6) one end is provided with
Curved channel；Second connection gold utensil (6) side wall is provided with the lock assembly (5) for being secured to connection.
2. a kind of composite insulation cross arm according to claim 1, it is characterised in that the lock assembly (5) includes and the
The side plate (51) that two connection gold utensils (6) are fixedly connected；The arc string holes through front and rear surfaces is provided with the middle part of the side plate (51)
(52)；Arc string holes (52) opening upwards；Arc string holes (52) opening, which is provided with, extends through the side plate (51) top
First vertical slot (515) in portion；The side plate (51) is additionally provided with and first vertical slot close to one end of the cartridge clamp (4)
(515) parallel the second vertical slot (516)；Second vertical slot (516) bottom is extended with to the cartridge clamp (4) direction to be run through
Side plate (51) front and rear surfaces and the neck (518) connected with second vertical slot (516)；It is provided with the middle part of the side plate (51)
Through the translot (517) of top, bottom and side wall；It is provided with first rotating shaft (514) inside the translot (517), described first
Rotating shaft (514) both ends respectively with the side plate (51) inwall vertical connection；Rotation is rotatably connected on the first rotating shaft (514)
Clamp (54).
3. a kind of composite insulation cross arm according to claim 2, it is characterised in that described rotation clamp (54) top is provided with
The pressuring line groove (513) matched with the arc string holes (52)；The rotation clamp (54) is opened away from first rotating shaft (514) end face
Provided with the first cavity (520), the first cavity (520) internal slide is connected with connecting seat (58)；The connecting seat (58) is outside
Side is provided with fixed plate (510)；The fixture block matched with the neck (518) is respectively equipped with the middle part of fixed plate (510) front and back end
(511)；Fixed plate (510) bottom is provided with push-and-pull component.
A kind of 4. composite insulation cross arm according to claim 1, it is characterised in that cartridge clamp (4) middle inside
Length direction is provided with card article (41)；The second cavity is offered in the middle part of card article (41) front side wall and rear wall；Described second
Cavity one end is provided with the second rotating shaft (44) vertically；Second rotating shaft (44) is provided with triangle fixture block (42), the triangle fixture block
(42) second inside cavity can be passed in and out；Torsion spring (43), described torsion spring (43) one end are socketed with second rotating shaft (44)
It is connected with the card article (41), the other end is connected with the second rotating shaft (44).
5. a kind of composite insulation cross arm according to claim 4, it is characterised in that plug (2) the both ends bottom opens up
There is the 3rd cavity (21)；3rd cavity (21) inwall is provided with the groove (22) matched with the triangle fixture block (42).
6. a kind of composite insulation cross arm according to claim 3, it is characterised in that the push-and-pull component is included vertically solid
The support base (57) that two of fixed board bottom are parallel to each other；The 3rd rotating shaft of rotation connection is provided between the support column (57)
(59)；3rd rotating shaft (59) is provided with pull bar connected vertically (56)；The pull bar (56) is away from the 3rd rotating shaft
(59) one end is provided with lug (55).
A kind of 7. composite insulation cross arm according to claim 2, it is characterised in that the height of second vertical slot (516)
It is equal with the distance at the top of the fixture block (511) to the fixed plate (510) bottom.
8. a kind of composite insulation cross arm according to claim 2, it is characterised in that arc string holes (52) surface is provided with
Electro-insulating rubber (53).
A kind of 9. composite insulation cross arm according to claim 2, it is characterised in that fixed plate (510) lateral area with
Described rotation clamp (54) lateral area is equal.
10. a kind of composite insulation cross arm according to claim 3, it is characterised in that in the first cavity (520) both sides
Wall is parallel to be provided with Damping sliding rail (519)；Connecting seat (58) front and rear sides are provided with the cunning matched with the Damping sliding rail (519)
Pole (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192229.XA CN107859417B (en) | 2017-11-24 | 2017-11-24 | Composite insulating cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192229.XA CN107859417B (en) | 2017-11-24 | 2017-11-24 | Composite insulating cross arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107859417A true CN107859417A (en) | 2018-03-30 |
| CN107859417B CN107859417B (en) | 2020-05-12 |
Family
ID=61702528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711192229.XA Active CN107859417B (en) | 2017-11-24 | 2017-11-24 | Composite insulating cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859417B (en) |
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| CN2398710Y (en) * | 1999-12-03 | 2000-09-27 | 吕学岐 | Low-pressure composite insulator |
| CN201649767U (en) * | 2009-09-02 | 2010-11-24 | 南通市神马电力科技有限公司 | Compound insulating tower for power transmission line |
| CN202227764U (en) * | 2011-09-15 | 2012-05-23 | 北京玻钢院复合材料有限公司 | Composite electric cross arm |
| CN202544474U (en) * | 2012-03-29 | 2012-11-21 | 浙江中瑞电气有限公司 | Cross arm used on top of telegraph pole |
| KR20130026290A (en) * | 2011-09-05 | 2013-03-13 | 한국전력공사 | Complex supporting bar structure for 2 type and cut out switch |
| CN203338884U (en) * | 2013-06-19 | 2013-12-11 | 国家电网公司 | Composite insulator |
| CN203456188U (en) * | 2013-08-26 | 2014-02-26 | 大连电瓷集团股份有限公司 | Composite cross-arm insulator for 35 kV power distribution in rural power grid |
| CN205189490U (en) * | 2015-12-09 | 2016-04-27 | 方隆电气设备有限公司 | Insulating cross arm |
| CN205558446U (en) * | 2016-04-13 | 2016-09-07 | 重庆顺泰铁塔制造有限公司 | Transmission of electricity cross arm |
| CN106972441A (en) * | 2017-04-25 | 2017-07-21 | 江苏神马电力股份有限公司 | A kind of wire fixing device and compound cross-arm |
| CN206608659U (en) * | 2017-03-29 | 2017-11-03 | 杭州炎龙建设有限公司 | A kind of dilatory pipe quickly connected |
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2017
- 2017-11-24 CN CN201711192229.XA patent/CN107859417B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2398710Y (en) * | 1999-12-03 | 2000-09-27 | 吕学岐 | Low-pressure composite insulator |
| CN201649767U (en) * | 2009-09-02 | 2010-11-24 | 南通市神马电力科技有限公司 | Compound insulating tower for power transmission line |
| KR20130026290A (en) * | 2011-09-05 | 2013-03-13 | 한국전력공사 | Complex supporting bar structure for 2 type and cut out switch |
| CN202227764U (en) * | 2011-09-15 | 2012-05-23 | 北京玻钢院复合材料有限公司 | Composite electric cross arm |
| CN202544474U (en) * | 2012-03-29 | 2012-11-21 | 浙江中瑞电气有限公司 | Cross arm used on top of telegraph pole |
| CN203338884U (en) * | 2013-06-19 | 2013-12-11 | 国家电网公司 | Composite insulator |
| CN203456188U (en) * | 2013-08-26 | 2014-02-26 | 大连电瓷集团股份有限公司 | Composite cross-arm insulator for 35 kV power distribution in rural power grid |
| CN205189490U (en) * | 2015-12-09 | 2016-04-27 | 方隆电气设备有限公司 | Insulating cross arm |
| CN205558446U (en) * | 2016-04-13 | 2016-09-07 | 重庆顺泰铁塔制造有限公司 | Transmission of electricity cross arm |
| CN206608659U (en) * | 2017-03-29 | 2017-11-03 | 杭州炎龙建设有限公司 | A kind of dilatory pipe quickly connected |
| CN106972441A (en) * | 2017-04-25 | 2017-07-21 | 江苏神马电力股份有限公司 | A kind of wire fixing device and compound cross-arm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107859417B (en) | 2020-05-12 |
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Address after: No. 88, Yingbin East Road, New Development Zone, Gaobeidian City, Baoding City, Hebei Province 074000 Applicant after: Fanglong Group Co., Ltd Address before: North Gaobeidian City Office nanxinzhaung village 074000 Hebei city of Baoding Province Applicant before: FANGLONG ELECTRICAL EQUIPMENT CO., LTD. |
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