CN210985570U - Power transmission line disconnection device - Google Patents
Power transmission line disconnection device Download PDFInfo
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- CN210985570U CN210985570U CN201921767631.0U CN201921767631U CN210985570U CN 210985570 U CN210985570 U CN 210985570U CN 201921767631 U CN201921767631 U CN 201921767631U CN 210985570 U CN210985570 U CN 210985570U
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Abstract
The utility model discloses a power transmission line off-line device, belonging to the field of power transmission equipment, wherein the power transmission line off-line device comprises a supporting base; the side edge of one end of the buckle plate A can be rotated, reset and tightly attached to and hinged with the side edge of the supporting base, for example, the buckle plate A is connected to the side edge of the supporting base by using a deformed elastic plastic rod; the lower part of the wire-releasing seat is hinged with the supporting base by a hinge, the other end of the pinch plate A is detachably buckled and contacted with the middle part of the wire-releasing seat, and the top edge of the wire-releasing seat is provided with a notch for placing a cable. Support the base and fix on the insulator on the pole, buckle A uses the elastic plastic stick as the initial point rotatory to with take off the line seat lock, the cable mounting is on the breach when taking off the line seat, when the cable is blown by strong wind and is drawn or the branch is beaten or is dragged by adjacent continuous cable when dragging, guaranteed that the cable is not broken, because the cable is deviate from, the pole can not form pulling force to the pole yet, the pole of fixed cable itself and adjacent pole also can not break.
Description
Technical Field
The utility model belongs to electric power transmission equipment field relates to a transmission line device of taking off production line.
Background
With the rapid development of economy in China, the living standard gradually rises, the requirement of people on the reliability of power supply is also improved, at present, for example, in power supply in dense population places such as cities, villages, towns and urban areas, insulated high-voltage cables are used for protecting the safety of people, but in coastal areas, typhoons can be attacked every year, a large number of cables connected with each other can be broken by strong wind, electrified broken cables are connected with surface water, people and livestock can be killed by electricity, meanwhile, a plurality of electric poles supporting the connected cables can be broken, people and livestock can be easily injured by the broken electric poles during movement, and the phenomenon that people die due to broken wires or broken electric poles can be easily caused after typhoons. Through the analysis of actual conditions, because when a cable or an electric pole at a certain position is hit by branches blown by strong wind, the cable can be pulled by the branches, or the electric pole at a certain position is broken, the connected cables can pull adjacent cables, and therefore a malignant chain reaction occurs.
It is thus seen that it is desirable to provide a device that allows the cable to automatically drop from the insulator on the pole in high winds.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a transmission line device that takes off production line.
The utility model discloses a following technical scheme can realize.
The utility model provides a power transmission line off-line device, which comprises a supporting base;
the side edge of one end of the buckle plate A can be rotated, reset and tightly attached to and hinged with the side edge of the supporting base, for example, the buckle plate A is connected to the side edge of the supporting base by using a deformed elastic plastic rod;
the lower part of the wire-releasing seat is hinged with the supporting base by a hinge, the other end of the pinch plate A is detachably buckled and contacted with the middle part of the wire-releasing seat, and the top edge of the wire-releasing seat is provided with a notch for placing a cable.
The utility model has the advantages that: support the base to fix on the insulator on the pole, buckle A uses the elastic plastic stick rotatory to and take off line seat lock as the initial point, the cable mounting is on the breach when taking off the line seat, when the cable is blown by strong wind and is drawn or the branch is beaten or is dragged by adjacent continuous cable, the power that the cable rocked is greater than buckle A and when supporting the base and hugging closely the power, the cable can drive and take off the line seat and rotate, take off line seat and buckle A and break away from, the cable will be followed and taken off the breach of line seat and deviate from, it is not broken to have guaranteed the cable, because the cable is deviate from, the pole also can not form pulling force to the pole, the pole of fixed cable itself and adjacent pole also can not be.
Preferably, still include buckle B, buckle B both ends are installed at the seat of taking off the line, the opposite side of supporting the base like buckle A for buckle A, buckle B form two-sided firm locking to rotary motion's the seat of taking off the line, improve the stability that does not have the normal use state when the strong wind or not being dragged and take off the line seat, make the cable stabilize under the normal state and be located the breach of the seat of taking off the line.
Preferably, be equipped with the through-hole on the board of line seat both sides of taking off, the through-hole that corresponds the line seat of taking off on the board of the both sides of support base also is equipped with the through-hole, and the bull stick penetrates respectively and installs in the through-hole of the line seat of taking off and the through-hole of support base, and bull stick interference fit or screw-thread fit fix in the through-hole of support base for it is articulated to take off line seat and support base formation, and the bull stick is spacing with the nut at both ends, and convenient the dismantlement improves simultaneously.
The utility model discloses a take-off line seat, including buckle A, buckle B, locating piece, buckle A and buckle B, take off line seat's both sides all fixed mounting has the locating piece on the both sides of seat, on the buckle A with take off line seat's link fixedly connected with draw-in groove A, on the buckle B with take off line seat's link fixedly connected with draw-in groove B, draw-in groove A, draw-in groove B respectively with the locating piece cooperation reach.
Preferably, both sides set up the through-hole on the seat of taking off the line, and locating piece interference fit or screw-thread fit penetrate fixed mounting in the through-hole of the both sides board of the seat of taking off the line, and the locating piece both ends that are located the seat of taking off the line are connected with buckle A's draw-in groove A, buckle B's draw-in groove B block respectively, and the locating piece both ends are spacing with the nut for buckle A, buckle B are to the pulling force homodisperse at locating piece both ends to the seat of taking off the line, improve the seat pivoted uniformity of taking off the line, and the cable of being convenient for can break.
The wire-releasing seat, the pinch plate A or the pinch plate B and the supporting base form a triangle with stable stress at the mutual contact point; the right-angled triangle is preferably selected to form a triangle, the buckle plate A and the buckle plate B are longest edges, so that the buckle plate A and the buckle plate B can enable the wire-off seat to obtain larger force in a normal state, and the wire-off seat is more stable.
The wire-off seat consists of two side plates and a bottom plate, and the two side plates are respectively vertically and fixedly connected with the two sides of the bottom plate to form an integral part; the top edges of the two side plates are provided with notches for placing cables, the centers of the notches are collinear, and on the basis of reducing the weight of the whole block adopted by the wire-off seat, the stress of the cables is ensured to form a line at two points, and the stability of the cables in a normal state is ensured.
Preferably, the notch of the wire-releasing seat is an arc notch so as to be matched with a cylindrical cable.
Preferably, the buckle plate comprises a torsion spring A and a torsion spring B, wherein one end of the torsion spring A extends into a through hole formed in the buckle plate A, the other end of the torsion spring A is fixedly connected with the supporting base, the torsion spring A is in a maximum torsion state at the moment, when the buckle plate A is perpendicular to the supporting base, the torsion spring A is in a normal state, the buckle plate A is not in close contact with the supporting base but has an interval, and the buckle plate A is not connected with the supporting base by an elastic plastic rod; one end of a torsion spring B extends into the through hole of the pinch plate B, the other end of the torsion spring B is fixedly connected with the support base, the torsion spring B is in the maximum torsion state at the moment, when the pinch plate B is vertical to the support base, the torsion spring B is in a normal state, the pinch plate B is not in close contact with the support base but has a gap, and the pinch plate B is not connected with the support base by an elastic plastic rod; at torsion spring A, torsion spring B's effect down, make buckle A terminal draw-in groove A, buckle B terminal draw-in groove B gets tighter with the locating piece lock, guarantee when the cable rocks too big simultaneously, in case the cable breaks away from the breach on the seat of taking off the line, at torsion spring A, torsion spring B resets to the inertial force effect of normality under, buckle A, buckle B and the seat of taking off the line quick separation, the cable can drive the seat of taking off the line and rotate fast, the cable will be followed the breach of the seat of taking off the line and deviate from fast, because deviate from very slow the breach of the seat of taking off the line when the cable, can make the cable take place the rupture easily, also can make self can transmit on the adjacent pole that links to each other simultaneously, adjacent pole can make too big moment of torsion and take place the rupture.
Preferably, the support device also comprises a rotating shaft, wherein the rotating shaft sequentially penetrates through a through hole arranged in the pinch plate A, the center of the torsion spring A, through holes arranged on two sides of the support base, through holes arranged in the pinch plate B and the center of the torsion spring B; at the moment, the connecting ends of the torsion spring A and the torsion spring B and the supporting base are fixedly connected with the rotating shaft; the pivot both ends are all spacing with the nut cooperation, pivot interference fit or screw-thread fit fix in the through-hole that sets up on supporting the base both sides, make torsion spring A, torsion spring B transmit to the support base in the vibration of the rotatory time that resets, reduce holistic resonance amplitude, improve torsion spring A pair buckle A simultaneously, torsion spring B is to the stability of the fixed atress of buckle B, thereby promote buckle A, buckle B is to the locking fastness of seat in the normality of taking off the line, buckle A has been improved and has been passed through torsion spring A, buckle B passes through the anti-vibration performance of torsion spring B joint support base.
For the convenience of disassembly, through holes for installing the ends of the torsion spring A and the torsion spring B are respectively formed at two ends of the optimized rotating shaft.
Still include anticreep spare A, anticreep spare B, anticreep spare A, anticreep spare B are L font, anticreep spare A, anticreep spare B's one end and support base bolt fixed connection, anticreep spare A, anticreep spare B's the other end is located the top of the breach of off-line seat both sides respectively, the minimum and the biggest cable diameter that can not surpass of off-line seat top line parallel and level of interval with off-line seat breach, when the normality when there is not strong wind such as typhoon, avoid nature weak wind or vibration to make the cable easily take off in the breach of off-line seat, improve the stability under the cable normality, when having guaranteed that strong wind that causes at typhoon etc. makes buckle A, buckle B and off-line seat break away from the connection, the cable breaks away from the breach of off-line seat in the rotation of off-line seat self.
Preferably, through holes are formed in the middle of the anti-disengaging part A and the anti-disengaging part B, the through holes are in clearance fit with the rotating shaft, the anti-disengaging part A and the anti-disengaging part B can be limited by the movement of the two points of the rotating shaft and the supporting base under the normal state that the anti-disengaging part A and the anti-disengaging part B are fixed, and the anti-disengaging part A and the anti-disengaging part B still bear the force of the two points under the condition that a bolt fixedly connected with the supporting base is loosened in time, so that the stability of the anti-disengaging part A and the anti-; when the detached cable needs to be installed, the anti-falling piece A, the anti-falling piece B and the bolt of the supporting base are still hung on the rotating shaft when being released, so that the load of maintenance workers is reduced, the labor intensity is reduced, and the maintenance speed is increased.
And a U-shaped ferrule fixedly connected with the insulator is fixed at the bottom of the supporting base.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the connection structure of the buckle plate A, the buckle plate B, the rotating shaft and the torsion spring of the present invention;
FIG. 3 is a schematic view of the connection structure of the anti-slip member A, the supporting base, the anti-slip member B and the ferrule of the present invention;
fig. 4 is a schematic structural view of a torsion spring a or a torsion spring B according to the present invention.
In the figure: 1-anti-drop part A; 2-a wire-off seat; 3-positioning a block; 4-buckle plate A; 5-rotating the rod; 6-a rotating shaft; 7-supporting the base; 8-torsion spring A; 9-anti-drop part B; 10-buckle B; 11-torsion spring B; 12-an insulator; 14-a ferrule; 22-card slot A; 23-card slot B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-4.
The utility model relates to a power transmission line off-line device, which comprises a supporting base 7;
the buckle plate A4, the buckle plate A4 one end side can rotate and reset and is clung to the side of the supporting base 7, for example, a deformed elastic plastic bar is used to connect the buckle plate A4 to the side of the supporting base 7; the lower part of the wire-off seat 2 is hinged with the supporting base 7 by a hinge, the other end of the pinch plate A4 is detachably buckled and contacted with the middle part of the wire-off seat 2, and the top edge of the wire-off seat 2 is provided with a notch for placing a cable.
The working principle during the use is as follows: support base 7 to fix on the insulator on the pole, buckle A4 uses the elastic plastic stick to rotatory to and take off line seat 2 lock as the initial point, the cable is installed on the breach when taking off line seat 2, when the cable is blown by strong wind and is drawn or the branch is beaten or is dragged by adjacent continuous cable, the power that the cable rocked is greater than buckle A4 and when supporting base 7 and hugging closely the power, the cable can drive and take off line seat 2 and rotate, take off line seat 2 and buckle A4 and break away from, the cable will be followed and taken off line seat 2's breach and deviate from, guaranteed that the cable is not broken, because the cable deviates from, the pole also can not form the pulling force to the pole, the pole of fixed cable itself and adjacent pole also can not break.
Preferably, the cable release device further comprises a buckle plate B10, wherein two ends of the buckle plate B10 are arranged on the other side of the release wire seat 2 and the support base 7 like the buckle plate A4, so that the buckle plate A4 and the buckle plate B10 form double-sided firm locking on the release wire seat 2 capable of rotating, the stability of the release wire seat 2 in a normal use state when no strong wind exists or the release wire seat is not pulled is improved, and a cable is stably positioned in a notch of the release wire seat 2 in a normal state.
Preferably, be equipped with the through-hole on the board of the both sides of seat of taking off the line 2, the through-hole that corresponds seat of taking off the line 2 on the board of the both sides of support base 7 also is equipped with the through-hole, bull stick 5 penetrates respectively and installs in the through-hole of seat of taking off the line 2 and the through-hole of support base 7, 5 interference fit of bull stick or screw-thread fit fix in the through-hole of support base 7 for it is articulated to take off seat 2 and support base 7 formation, 5 for the both ends of bull stick are spacing with the nut, convenient dismantlement, improve simultaneously and take off 2 pivoted stability of seat.
All fixed mounting has locating piece 3 on the both sides of seat 2 that takes off a line, on the buckle A4 with take off a line link fixedly connected with draw-in groove A22 of seat 2, on the buckle B10 with take off a line link fixedly connected with draw-in groove B23 of seat 2, draw-in groove A22, draw-in groove B23 reach respectively with locating piece 3 cooperation and take off a line block of seat 2 and be connected.
Preferably, both sides set up the through-hole on the seat of taking off the line 2, 3 interference fit of locating piece or screw-thread fit penetrate fixed mounting in the through-hole of the both sides board of seat of taking off the line 2, the 3 both ends of locating piece that are located the seat of taking off the line 2 both sides respectively with buckle A22 of buckle A4, buckle B23 block of buckle B10 is connected, 3 both ends of locating piece are spacing with the nut, make buckle A4, buckle B10 to the pulling force homodisperse at 3 both ends of locating piece on the seat of taking off the line 2, improve the seat of taking off the line 2 pivoted uniformity, the cable of being convenient for can break away from out fast when deviating from.
The contact points of the wire-releasing seat 2, the buckle plate A4 or the buckle plate B10 and the support base 7 form a triangle which is stably stressed; the triangle is preferably a right-angled triangle, and the buckle plate A4 and the buckle plate B10 are the longest edges, so that the buckle plate A4 and the buckle plate B10 can ensure that the wire-off seat 2 obtains larger force in a normal state, and the wire-off seat 2 is more stable.
The wire-off seat 2 consists of two side plates and a bottom plate, and the two side plates are respectively vertically and fixedly connected with the two sides of the bottom plate to form an integral part; the top edges of the two side plates are provided with notches for placing cables, the centers of the notches are collinear, and on the basis of reducing the weight of the whole block adopted by the wire-off seat 2, the stress of the cables is ensured to form a line at two points, and the stability of the cables in a normal state is ensured. Preferably, the notch of the wire-releasing seat 2 is a circular arc notch so as to be matched with a cylindrical cable.
Preferably, the buckle plate further comprises a torsion spring A8 and a torsion spring B11, one end of the torsion spring A8 extends into a through hole formed in the buckle plate A4, the other end of the torsion spring A8 is fixedly connected with the supporting base 7, the torsion spring A8 is in the maximum torsion state, when the buckle plate A4 is perpendicular to the supporting base 7, the torsion spring A8 is in a normal state, the buckle plate A4 is not in close contact with the supporting base 7 but is spaced, and the buckle plate A4 is not connected with the supporting base 7 by an elastic plastic rod; one end of a torsion spring B11 extends into a through hole of a buckle plate B10, the other end of a torsion spring B11 is fixedly connected with the supporting base 7, the torsion spring B11 is in a maximum torsion state at the moment, when the buckle plate B10 is vertical to the supporting base 7, the torsion spring B11 is in a normal state, the buckle plate B10 is not in close contact with the supporting base 7 any more but has a gap, and the buckle plate B10 is not connected with the supporting base 7 any more by elastic plastic rods; under the effect of torsion spring A8, torsion spring B11, make buckle A22 at buckle A4 end, buckle B23 at buckle B10 end and locating piece 3 buckle more tightly, guarantee simultaneously when the cable shakes too big, in case the cable breaks away from the breach on the seat 2 of taking off the line, under torsion spring A8, torsion spring B11 resets to the inertia effect of normality, buckle A4, buckle B10 and the seat 2 of taking off the line are quick to be separated, the cable can drive the seat 2 of taking off the line to rotate fast, the cable will be followed the breach of seat 2 of taking off the line and pulled out fast, because when the cable will be followed the breach of seat 2 of taking off the line very slow, can make the cable take place the rupture easily, also can make self power can transmit to the adjacent pole that links to on, can make the adjacent pole bear too big moment of torsion and take place the rupture.
Preferably, the buckle plate further comprises a rotating shaft 6, wherein the rotating shaft 6 sequentially penetrates through a through hole formed in the buckle plate A4, the center of a torsion spring A8, through holes formed in two sides of the supporting base 7, a through hole formed in the buckle plate B10 and the center of a torsion spring B11; at the moment, the connecting ends of the torsion spring A8 and the torsion spring B11 and the supporting base 7 are fixedly connected with the rotating shaft 6; the two ends of the rotating shaft 6 are both limited by nut matching, the rotating shaft 6 is fixed in through holes formed in two sides of the supporting base 7 in an interference fit mode or a thread fit mode, the torsion spring A8 and the torsion spring B11 transmit vibration to the supporting base 7 when the rotating shaft is reset, integral resonance amplitude is reduced, meanwhile, the stability of the torsion spring A8 to the buckle plate A4 and the stability of the torsion spring B11 to the buckle plate B10 in a fixed stress mode are improved, the buckling plate A4 is promoted, the buckling plate B10 is firmly locked in a normal state to the wire-separating seat 2, and the anti-vibration performance of the buckling plate A4 through the torsion spring A8 and the buckling plate B10 through the torsion spring B11 to connect the supporting base 7 is improved. For the convenience of disassembly, the two ends of the rotating shaft 6 are preferably provided with through holes for installing the ends of the torsion spring A8 and the torsion spring B11.
The anti-disengaging device further comprises an anti-disengaging piece A1 and an anti-disengaging piece B9, wherein the anti-disengaging piece A1 and the anti-disengaging piece B9 are L-shaped, one ends of the anti-disengaging piece A1 and the anti-disengaging piece B9 are fixedly connected with the supporting base 7 through bolts, the other ends of the anti-disengaging piece A1 and the anti-disengaging piece B9 are respectively located above notches on two sides of the wire-disengaging base 2, the minimum distance between the notches of the wire-disengaging base 2 and the top edge line of the wire-disengaging base 2 is flush with the top edge line of the wire-disengaging base 2, the maximum distance cannot exceed the diameter of a cable, when no strong wind such as typhoon exists, the cable is prevented from being easily disengaged from the notches of the wire-disengaging base 2 due to natural small wind or vibration, the stability of the cable in the normal state is improved, and when the buckle A4 and the buckle B10 are disengaged from the wire-disengaging base 2 due.
Preferably, through holes are formed in the middles of the anti-falling piece A1 and the anti-falling piece B9 and are in clearance fit with the rotating shaft 6, the anti-falling piece A1 and the anti-falling piece B9 can be limited by the movement of two points of the rotating shaft 6 and the supporting base 7 under the normal state that the anti-falling piece A1 and the anti-falling piece B9 are fixed, and in time, under the condition that bolts fixedly connected with the supporting base 7 are loosened, the anti-falling piece A1 and the anti-falling piece B9 still bear the force of the two points, so that the stability of the anti-falling piece A1 and the anti-falling piece B36; when the detached cable needs to be installed, the rotation shaft 6 is still hung when the anti-dropping piece A1, the anti-dropping piece B9 and the bolt of the supporting base 7 are released, the load of maintenance workers is reduced, the labor intensity is reduced, and the maintenance speed is increased. And U-shaped ferrules 14 fixedly connected with the insulators 12 are fixed through holes in the two sides of the bottom of the supporting base 7 through bolts.
Claims (10)
1. The power transmission line disconnection device is characterized by comprising a supporting base (7);
the side edge of one end of the pinch plate A (4) can be rotated, reset and is clung to the side edge hinged with the support base (7);
the lower part of the wire-releasing seat (2) is hinged with the supporting base (7) by a hinge, the other end of the pinch plate A (4) is detachably buckled and contacted with the middle part of the wire-releasing seat (2) to be connected, and the top edge of the wire-releasing seat (2) is provided with a notch for placing a cable.
2. The power transmission line disconnection apparatus of claim 1, wherein: the wire releasing device further comprises a buckle plate B (10), and two ends of the buckle plate B (10) are fixedly connected with the other sides of the wire releasing seat (2) and the supporting base (7) respectively.
3. The power transmission line disconnection apparatus of claim 2, wherein: the wire releasing seat is characterized by further comprising a positioning block (3), the positioning block (3) is fixedly installed in through holes in two sides of the wire releasing seat (2) and extends outwards, and two ends of the positioning block (3) are respectively connected with a clamping groove A (22) of the buckling plate A (4) and a clamping groove B (23) of the buckling plate B (10) in a clamping mode.
4. The power transmission line disconnection apparatus of claim 1, wherein: still include bull stick (5), bull stick (5) fixed mounting is in the through-hole of supporting base (7), and off-line seat (2) rotates with bull stick (5) to be connected.
5. The power transmission line disconnection apparatus of claim 1, wherein: the buckling plate is characterized by further comprising a torsion spring A (8), wherein two ends of the torsion spring A (8) are fixedly connected with the buckling plate A (4) and the supporting base (7) respectively;
and two ends of the torsion spring B (11) are respectively and fixedly connected with the pinch plate B (10) and the support base (7).
6. The transmission line offline device of claim 1, 2 or 5, characterized in that: the novel buckle plate is characterized by further comprising a rotating shaft (6), wherein the rotating shaft (6) penetrates through the buckle plate A (4), the torsion spring A (8), the supporting base (7), the buckle plate B (10) and the torsion spring B (11) in sequence, the rotating shaft (6) corresponds to and is fixedly connected with the buckle plate A (4) and the buckle plate B (10) through the torsion spring A (8) and the torsion spring B (11), and the rotating shaft (6) is fixedly connected with the supporting base (7).
7. The power transmission line wire-releasing device of claim 1, further comprising a wire-releasing preventing piece A (1) and a wire-releasing preventing piece B (9), wherein the wire-releasing preventing piece A (1) and the wire-releasing preventing piece B (9) are L-shaped, one ends of the wire-releasing preventing piece A (1) and the wire-releasing preventing piece B (9) are fixedly connected with the supporting base (7) through bolts, the other ends of the wire-releasing preventing piece A (1) and the wire-releasing preventing piece B (9) are respectively located above notches on two sides of the wire-releasing base (2), and the minimum distance between the notches of the wire-releasing base (2) and the top edge line of the wire-releasing base (2) are flush with each other.
8. The power transmission line disconnection apparatus of claim 7, wherein: through holes in clearance fit with the rotating shaft (6) are formed in the middle of the anti-falling part A (1) and the anti-falling part B (9).
9. The power transmission line disconnection apparatus of claim 1, wherein: and a U-shaped ferrule (14) fixedly connected with the insulator is fixed at the bottom of the supporting base (7).
10. The power transmission line disconnection apparatus of claim 1, wherein: the triangular buckle plate A (4) which is stably stressed is formed by the mutual contact points of the wire-releasing seat (2), the buckle plate A (4) and the supporting base (7) and is the longest edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767631.0U CN210985570U (en) | 2019-10-21 | 2019-10-21 | Power transmission line disconnection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767631.0U CN210985570U (en) | 2019-10-21 | 2019-10-21 | Power transmission line disconnection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210985570U true CN210985570U (en) | 2020-07-10 |
Family
ID=71438525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921767631.0U Active CN210985570U (en) | 2019-10-21 | 2019-10-21 | Power transmission line disconnection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210985570U (en) |
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2019
- 2019-10-21 CN CN201921767631.0U patent/CN210985570U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanning Youpuna Culture Media Co.,Ltd. Assignor: NANNING University Contract record no.: X2022450000606 Denomination of utility model: A transmission line disconnection device Granted publication date: 20200710 License type: Common License Record date: 20221230 |