CN109149503A - A kind of high-voltage cable joint of intelligence traction power supply - Google Patents
A kind of high-voltage cable joint of intelligence traction power supply Download PDFInfo
- Publication number
- CN109149503A CN109149503A CN201811281009.9A CN201811281009A CN109149503A CN 109149503 A CN109149503 A CN 109149503A CN 201811281009 A CN201811281009 A CN 201811281009A CN 109149503 A CN109149503 A CN 109149503A
- Authority
- CN
- China
- Prior art keywords
- lateral surface
- positioning
- rectangular housing
- power supply
- voltage cable
- 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.)
- Withdrawn
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Classifications
-
- 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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- 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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/16—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes structurally associated with support for line-connecting terminals within the box
Landscapes
- Cable Accessories (AREA)
Abstract
The invention discloses a kind of high-voltage cable joints of intelligent traction power supply, including rectangular housing, the high-voltage cable joint of this intelligence traction power supply, it is compact-sized, it is easy for installation, it occupies little space when use, can rapidly and efficiently by two cable connections to together, the setting of circular mounting plate facilitates installation of the invention and fixes, first positioning plate combines the setting of the second positioning plate that rectangular housing is allowed very easily to carry out lift adjustment, the setting of rectangular housing, which is facilitated, can play good protective action to pressure-resistant rectangular housing, the setting of positioning floor increases the bend resistance ability of hollow cylindrical connector, the setting of internal thread groove facilitates pouring for sealant, it can increase the medial surface of hollow cylindrical connector and the bonding strength of circuit line lateral surface again simultaneously, damping spring combines the setting of the first telescopic rod can be tight by lower clamp plate It is pressed in the lateral surface of pressure-resistant rectangular housing.
Description
Technical field
The present invention relates to high-voltage cable joint technical field, specially a kind of high-voltage cable joint of intelligent traction power supply.
Background technique
Cable connector is also known as end.After cable laying is good, in order to become a continuous route, each section of line is necessary
It is connected as an entirety, these tie points are known as cable connector.Among cable run the cable connector at position be known as in indirectly
Head, and the cable connector of two end of route is known as terminals.Cable connector is that it is anti-to play waterproof for locking and fixing inlet-outlet line
The effect of dirt against shock.Its main function is to keep route unobstructed, so that cable is kept sealing, and guarantee the insulation at cable connector
Grade runs it safely and reliably.If poor sealing, not only can oil leak cause oil-paper withered, but also moisture can also invade
Enter inside cable, declines paper insulation performance.Existing high-voltage cable joint does not have cushioning effect, when cable shakes for a long time
When, interface disconnection can be will lead to by having.Meanwhile existing high-voltage cable joint structure is simple, installation is inconvenient, insulation effect
Generally, service life is not grown, and is easy aging.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of high-tension cable of intelligent traction power supply
Connector, can with highly effective and safe by two cable connections to together, bring convenience to the safe handling of cable, and can pacify
Dress is convenient, and insulation effect is good, further improves service efficiency of the invention, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: it is a kind of intelligence traction power supply high-voltage cable joint,
Including rectangular housing, the upper surface of the rectangular housing is equipped with mounting plate, and left and right ends are equipped in the middle part of the medial surface of rectangular housing
Two are symmetrical set the first telescopic rod, and left and right ends set that there are two the be symmetrical set in the middle part of the lower surface of mounting plate
Two telescopic rods, the lateral surface lower end of the first telescopic rod and the lateral surface upper end of the second telescopic rod are equipped with positioning table, and first is flexible
The upper surface of bar and the lower end surface of the second telescopic rod are equipped with positioning stud, the lateral surface of positioning stud and the lateral surface of positioning table
Between be equipped with damping spring, the upper surface of positioning stud is equipped with lower clamp plate, and the upper surface of lower clamp plate is equipped with pressure-resistant rectangular housing, resistance to
The upper surface of rectangular housing is pressed to be equipped with seal cover board, the upper surface of seal cover board passes through the lower end surface of upper clamp plate and the second telescopic rod
It is connected, left and right ends are set there are two the hollow cylindrical connector being symmetrical set in the middle part of the lateral surface of pressure-resistant rectangular housing, resistance to
The inside of rectangular housing is pressed to be equipped with conductor, the lateral surface left and right ends of conductor are equipped with rectangle card slot, and the lateral surface of conductor is equipped with
Inner insulating layer, the lateral surface of inner insulating layer are equipped with oil immersion filter glass varnish-treated tape layer, and the lateral surface of oil immersion filter glass varnish-treated tape layer is equipped with fiber crops
By sheath, fiber crops are equipped with the first shielding stratum reticulare by the lateral surface of sheath, and the lateral surface of the first shielding stratum reticulare is equipped with external insulation layer, conductor
Left and right ends set there are two the connector that is symmetrical set, the inside of connector is equipped with metallic channel.
As a preferred technical solution of the present invention, there are four for the lateral surface upper end surrounding part of the rectangular housing
One positioning plate, there are four the second positioning plates for the lateral surface lower end surrounding part of rectangular housing.
As a preferred technical solution of the present invention, first positioning plate is by being disposed thereon the location hole on surface
It is socketed with positioning screw, is nested in the middle part of the lateral surface of positioning screw with the location hole that the second positioning plate upper surface middle part is arranged in
It connects.
As a preferred technical solution of the present invention, the lower end surface of the positioning screw is equipped with circular mounting plate, round
The upper surface of mounting plate is uniformly distributed on peripheries with four mounting holes.
As a preferred technical solution of the present invention, the lateral surface of the positioning screw is close to the first positioning plate upper surface
Threaded one end be connected with the first nut, threaded one end of the lateral surface of positioning screw close to the first positioning plate lower surface is connected with
Second nut.
As a preferred technical solution of the present invention, the lateral surface of the positioning screw is close to the second positioning plate upper surface
Threaded one end be connected with third nut, threaded one end of the lateral surface of positioning screw close to the second positioning plate lower surface is connected with
4th nut.
As a preferred technical solution of the present invention, the medial surface of the hollow cylindrical connector is equipped with internal thread groove,
The lateral surface of hollow cylindrical connector is connected by positioning floor with the lateral surface of pressure-resistant rectangular housing.
As a preferred technical solution of the present invention, the quantity of the conductor is three, and three conductors are equal from top to bottom
The even inside for being distributed in pressure-resistant rectangular housing is equipped with asphalt insulating cement between the lateral surface of three conductors.
As a preferred technical solution of the present invention, the lateral surface left and right ends of the external insulation layer set there are two left and right
The lateral surface right end of symmetrically arranged first annular connecting plate, connector is equipped with the second annular connecting plate, the second annular connecting plate
Right side be connected with the left side of first annular connecting plate.
It as a preferred technical solution of the present invention, is equipped in the middle part of the lateral surface of the connector and presses copper sheathing, connected
The lateral surface of head is equipped with insulating protective layer, and the medial surface of insulating protective layer is equipped with secondary shielding stratum reticulare.
Compared with prior art, the high-voltage cable joint of this intelligence traction power supply has below beneficial to benefit:
1, the high-voltage cable joint of this intelligence traction power supply, compact-sized, easy for installation, when use, occupies little space, can
With rapidly and efficiently by two cable connections to together, the setting of circular mounting plate facilitates installation of the invention and fixes, first
Positioning plate combines the setting of the second positioning plate that rectangular housing is allowed very easily to carry out lift adjustment.
2, the setting of rectangular housing, which is facilitated, can play good protective action to pressure-resistant rectangular housing, position floor
The bend resistance ability for increasing hollow cylindrical connector is set, and the setting of internal thread groove facilitates pouring for sealant, while again
It can increase the medial surface of hollow cylindrical connector and the bonding strength of circuit line lateral surface.
3, lower clamp plate can be pressed on the lateral surface of pressure-resistant rectangular housing in conjunction with the setting of the first telescopic rod by damping spring,
The setting of pressure-resistant rectangular housing increases anti-pressure ability of the invention, and the setting of damping spring can play pressure-resistant rectangular housing
Good damping protection effect, the setting of seal cover board facilitate the connection of cable interface.
4, the setting of the first shielding stratum reticulare combination secondary shielding stratum reticulare can play the role of good shielding protection to conductor,
Fiber crops increase freezing tolerance of the invention by the setting of sheath, and the setting of thermoplastic tube facilitates the sealing of interface, inner insulating layer
Setting increase insulating properties of the invention, the setting of metallic channel facilitates the positioning of cable.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is cross-sectional view of the present invention；
Fig. 3 is partial enlargement diagram of the present invention.
In figure: 1 hollow cylindrical connector, 2 internal thread grooves, 3 positioning studs, 4 damping springs, 5 first telescopic rods, 6 positioning
Platform, 7 lower clamp plates, 8 pressure-resistant rectangular housings, 9 seal cover boards, 10 upper clamp plates, 11 mounting plates, 12 first positioning plates, 13 positioning floors,
Copper sheathing, 16 circular mounting plates, 17 positioning screws, 18 second positioning plates, 19 thermoplastic tubes, 20 first rings are pressed in 14 rectangular housings, 15
Shape connecting plate, 21 external insulation layers, 22 first shielding stratum reticulares, 23 fiber crops are by sheath, 24 oil immersion filter glass varnish-treated tape layers, 25 conductors, 26 drips
Green insulating cement, 27 inner insulating layers, 28 rectangle card slots, 29 metallic channels, 30 secondary shielding stratum reticulares, 31 insulating protective layers, 32 second rings
Shape connecting plate, 33 connectors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of high-voltage cable joint of intelligence traction power supply, packet
Include rectangular housing 14, the lateral surface upper end surrounding part of rectangular housing 14 there are four the first positioning plate 12, rectangular housing 14 it is outer
There are four the second positioning plate 18, the first positioning plate 12 is socketed by being disposed thereon the location hole on surface for side lower end surrounding part
There is positioning screw 17, is nested in the middle part of the lateral surface of positioning screw 17 with the location hole that 18 upper surface middle part of the second positioning plate is arranged in
It connects, the lower end surface of positioning screw 17 is equipped with circular mounting plate 16, and the upper surface of circular mounting plate 16 is uniformly distributed on peripheries with four installations
Hole, the setting of circular mounting plate 16 facilitate installation of the invention and fix, and the lateral surface of positioning screw 17 is close to the first positioning plate
The threaded one end of 12 upper surfaces is connected with the first nut, and the lateral surface of positioning screw 17 is close to the one of 12 lower surface of the first positioning plate
End is threaded with the second nut, and threaded one end of the lateral surface of positioning screw 17 close to 18 upper surface of the second positioning plate is connected with
Third nut, threaded one end of the lateral surface of positioning screw 17 close to 18 lower surface of the second positioning plate are connected with the 4th nut, the
One positioning plate 12 combines the setting of the second positioning plate 18 that rectangular housing 14 is allowed very easily to carry out lift adjustment, Rectangular shell
The upper surface of body 14 is equipped with mounting plate 11, and left and right ends set that there are two be symmetrical set the in the middle part of the medial surface of rectangular housing 14
The lower surface middle part left and right ends of one telescopic rod 5, mounting plate 11 are set there are two the second telescopic rod being symmetrical set, and first stretches
The lateral surface lower end of contracting bar 5 and the lateral surface upper end of the second telescopic rod are equipped with positioning table 6, the upper surface of the first telescopic rod 5 with
The lower end surface of second telescopic rod is equipped with positioning stud 3, is equipped between the lateral surface of positioning stud 3 and the lateral surface of positioning table 6
The setting of damping spring 4, damping spring 4 can play the role of good damping protection, positioning stud 3 to pressure-resistant rectangular housing 8
Upper surface be equipped with lower clamp plate 7, the upper surface of lower clamp plate 7 is equipped with pressure-resistant rectangular housing 8, and the upper surface of pressure-resistant rectangular housing 8 is set
There is seal cover board 9, the upper surface of seal cover board 9 is connected by upper clamp plate 10 with the lower end surface of the second telescopic rod, pressure-resistant Rectangular shell
Left and right ends set that there are two the hollow cylindrical connector 1 being symmetrical set, hollow cylindrical connectors 1 in the middle part of the lateral surface of body 8
Medial surface be equipped with internal thread groove 2, the setting of internal thread groove 2 facilitates pouring for sealant, while can increase hollow cylindrical again
The lateral surface of the medial surface of connector 1 and the bonding strength of circuit line lateral surface, hollow cylindrical connector 1 passes through positioning floor 13
It is connected with the lateral surface of pressure-resistant rectangular housing 8, the inside of pressure-resistant rectangular housing 8 is equipped with conductor 25, and the quantity of conductor 25 is three,
Three conductors 25 are evenly distributed on the inside of pressure-resistant rectangular housing 8 from top to bottom, are equipped with drip between the lateral surface of three conductors 25
Green insulating cement 26, the lateral surface left and right ends of conductor 25 are equipped with rectangle card slot 28, and the lateral surface of conductor 25 is equipped with inner insulating layer
27, the lateral surface of inner insulating layer 27 is equipped with oil immersion filter glass varnish-treated tape layer 24, and the lateral surface of oil immersion filter glass varnish-treated tape layer 24 is equipped with fiber crops
By sheath 23, the numb lateral surface by sheath 23 is equipped with the first shielding stratum reticulare 22, and the lateral surface of the first shielding stratum reticulare 22 is equipped with outer exhausted
Edge layer 21, the left and right ends of conductor 25 are set there are two the connector 33 being symmetrical set, and the inside of connector 33, which is equipped with, leads
Wire casing 29, the lateral surface left and right ends of external insulation layer 21 set there are two the first annular connecting plate 20 being symmetrical set, connect
First 33 lateral surface right end is equipped with the second annular connecting plate 32, the right side of the second annular connecting plate 32 and first annular connecting plate
20 left side is connected, and is equipped in the middle part of the lateral surface of connector 33 and presses copper sheathing 15, and the lateral surface of connector 33 is equipped with insulation and protects
Sheath 31, the medial surface of insulating protective layer 31 are equipped with secondary shielding stratum reticulare 30, and the first shielding stratum reticulare 22 combines secondary shielding stratum reticulare
30 setting can play the role of good shielding protection, the high-voltage cable joint of this intelligence traction power supply, structure to cable
Compact, easy for installation, when use, occupies little space, can rapidly and efficiently by two cable connections to together.
When in use: cableport external protection is peelled off, metal wire is exposed, metal wire is then passed through into metallic channel 29,
It metal wire and will be inserted into the rectangle card slot 28 that 25 outer end face of conductor is set again, rectangle card slot 28 flattened to cable metal
Line is wrapped up, then the position of cable is fixed in the lateral surface for pressing copper sheathing 15 and being pressed on cable, by the first ring
Shape connecting plate 20 is connected together with the second annular connecting plate 32, and warming thermal plastic pipe 19 makes its contraction, then will be resistance to sealant
The solid of rectangular housing 8 is pressed, seal cover board 9 is mounted on to the upper surface of pressure-resistant rectangular housing 8, mounting plate 11 is mounted on
The upper surface of rectangular housing 14, in use, carrying out shock-absorbing protecting to rectangular housing 14 by damping spring 4.
What the present invention can be convenient installs, and occupied space is few when use, is easily installed and uses；It can effectively will be electric
Cable joint connects together, and improves ease of use；The setting of damping spring 4 facilitates damping, improves easy-to-use
Property.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of high-voltage cable joint of intelligence traction power supply, including rectangular housing (14), it is characterised in that: the rectangular housing
(14) upper surface is equipped with mounting plate (11), and left and right ends set that there are two bilateral symmetries to set in the middle part of the medial surface of rectangular housing (14)
It sets the first telescopic rod (5), it is flexible to set that there are two second be symmetrical set for left and right ends in the middle part of the lower surface of mounting plate (11)
Bar, the lateral surface lower end of the first telescopic rod (5) and the lateral surface upper end of the second telescopic rod are equipped with positioning table (6), and first is flexible
The upper surface of bar (5) and the lower end surface of the second telescopic rod are equipped with positioning stud (3), the lateral surface of positioning stud (3) and positioning
Damping spring (4) are equipped between the lateral surface of platform (6), the upper surface of positioning stud (3) is equipped with lower clamp plate (7), lower clamp plate (7)
Upper surface is equipped with pressure-resistant rectangular housing (8), and the upper surface of pressure-resistant rectangular housing (8) is equipped with seal cover board (9), seal cover board (9)
Upper surface be connected with the lower end surface of the second telescopic rod by upper clamp plate (10), a lateral surface middle part left side for pressure-resistant rectangular housing (8)
Right both ends are set there are two the hollow cylindrical connector (1) being symmetrical set, and the inside of pressure-resistant rectangular housing (8) is equipped with conductor
(25), the lateral surface left and right ends of conductor (25) are equipped with rectangle card slot (28), and the lateral surface of conductor (25) is equipped with inner insulating layer
(27), the lateral surface of inner insulating layer (27) is equipped with oil immersion filter glass varnish-treated tape layer (24), the outside of oil immersion filter glass varnish-treated tape layer (24)
Face is equipped with fiber crops by sheath (23), and fiber crops are equipped with the first shielding stratum reticulare (22), the first shielding stratum reticulare (22) by the lateral surface of sheath (23)
Lateral surface be equipped with external insulation layer (21), the left and right ends of conductor (25) sets that there are two the connectors that are symmetrical set
(33), the inside of connector (33) is equipped with metallic channel (29).
2. a kind of high-voltage cable joint of intelligent traction power supply according to claim 1, it is characterised in that: the Rectangular shell
There are four the first positioning plate (12), the lateral surface lower end surrounding offices of rectangular housing (14) for the lateral surface upper end surrounding part of body (14)
There are four the second positioning plate (18) in portion.
3. a kind of high-voltage cable joint of intelligent traction power supply according to claim 2, it is characterised in that: described first is fixed
Position plate (12) is socketed with positioning screw (17) by being disposed thereon the location hole on surface, in the middle part of the lateral surface of positioning screw (17)
Location hole with setting in the second positioning plate (18) upper surface middle part socket-connects.
4. a kind of high-voltage cable joint of intelligent traction power supply according to claim 3, it is characterised in that: the positioning spiral shell
The lower end surface of bar (17) is equipped with circular mounting plate (16), and the upper surface of circular mounting plate (16) is uniformly distributed on peripheries with four mounting holes.
5. a kind of high-voltage cable joint of intelligent traction power supply according to claim 3, it is characterised in that: the positioning spiral shell
Threaded one end of the lateral surface of bar (17) close to the first positioning plate (12) upper surface is connected with the first nut, positioning screw (17)
Threaded one end of the lateral surface close to the first positioning plate (12) lower surface is connected with the second nut.
6. a kind of high-voltage cable joint of intelligent traction power supply according to claim 3, it is characterised in that: the positioning spiral shell
Threaded one end of the lateral surface of bar (17) close to the second positioning plate (18) upper surface is connected with third nut, positioning screw (17)
Threaded one end of the lateral surface close to the second positioning plate (18) lower surface is connected with the 4th nut.
7. a kind of high-voltage cable joint of intelligent traction power supply according to claim 1, it is characterised in that: the hollow posts
The medial surface of shape connector (1) is equipped with internal thread groove (2), and the lateral surface of hollow cylindrical connector (1) passes through positioning floor (13)
It is connected with the lateral surface of pressure-resistant rectangular housing (8).
8. a kind of high-voltage cable joint of intelligent traction power supply according to claim 1, it is characterised in that: the conductor
(25) quantity is three, and three conductors (25) are evenly distributed on the inside of pressure-resistant rectangular housing (8), three conductors from top to bottom
(25) asphalt insulating cement (26) are equipped between lateral surface.
9. a kind of high-voltage cable joint of intelligent traction power supply according to claim 1, it is characterised in that: the external insulation
The lateral surface left and right ends of layer (21) are set there are two the first annular connecting plate (20) that is symmetrical set, connector (33) it is outer
Side right end is equipped with the second annular connecting plate (32), the right side and first annular connecting plate (20) of the second annular connecting plate (32)
Left side be connected.
10. a kind of high-voltage cable joint of intelligent traction power supply according to claim 1, it is characterised in that: the connection
It is equipped with and presses copper sheathing (15) in the middle part of the lateral surface of head (33), the lateral surface of connector (33) is equipped with insulating protective layer (31), insulation
The medial surface of protective layer (31) is equipped with secondary shielding stratum reticulare (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281009.9A CN109149503A (en) | 2018-10-30 | 2018-10-30 | A kind of high-voltage cable joint of intelligence traction power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281009.9A CN109149503A (en) | 2018-10-30 | 2018-10-30 | A kind of high-voltage cable joint of intelligence traction power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109149503A true CN109149503A (en) | 2019-01-04 |
Family
ID=64807079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281009.9A Withdrawn CN109149503A (en) | 2018-10-30 | 2018-10-30 | A kind of high-voltage cable joint of intelligence traction power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149503A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271655A (en) * | 2020-10-16 | 2021-01-26 | 安徽电缆股份有限公司 | Butt joint device for cable connection |
| CN113612041A (en) * | 2021-10-08 | 2021-11-05 | 南通屹洲网络科技有限公司 | Cable connection mechanism for data storage cabinet |
| CN114039324A (en) * | 2021-11-01 | 2022-02-11 | 国网江苏省电力有限公司常州供电分公司 | Cable joint protection device with six-prevention one-function |
-
2018
- 2018-10-30 CN CN201811281009.9A patent/CN109149503A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271655A (en) * | 2020-10-16 | 2021-01-26 | 安徽电缆股份有限公司 | Butt joint device for cable connection |
| CN112271655B (en) * | 2020-10-16 | 2022-02-22 | 安徽电缆股份有限公司 | Butt joint device for cable connection |
| CN113612041A (en) * | 2021-10-08 | 2021-11-05 | 南通屹洲网络科技有限公司 | Cable connection mechanism for data storage cabinet |
| CN113612041B (en) * | 2021-10-08 | 2021-12-07 | 南通屹洲网络科技有限公司 | Cable connection mechanism for data storage cabinet |
| CN114039324A (en) * | 2021-11-01 | 2022-02-11 | 国网江苏省电力有限公司常州供电分公司 | Cable joint protection device with six-prevention one-function |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Daohua Inventor after: Ma Daoping Inventor before: Chen Daohua Inventor before: Ma Daoping Inventor before: Gao Guoqiang Inventor before: Guo Yujun |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Daohua Inventor after: Ma Daoping Inventor before: Chen Daohua Inventor before: Ma Daoping Inventor before: Gao Guoqiang Inventor before: Guo Yujun |
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| CB03 | Change of inventor or designer information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |
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| WW01 | Invention patent application withdrawn after publication |