CN207098564U - A kind of protector of power transmission tower and insulator - Google Patents
A kind of protector of power transmission tower and insulator Download PDFInfo
- Publication number
- CN207098564U CN207098564U CN201721085007.3U CN201721085007U CN207098564U CN 207098564 U CN207098564 U CN 207098564U CN 201721085007 U CN201721085007 U CN 201721085007U CN 207098564 U CN207098564 U CN 207098564U
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- insulator
- power transmission
- transmission tower
- safety rope
- breaking device
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Abstract
The utility model belongs to field of electrical equipment, is related to the protector of power transmission tower and insulator, including：Casing, breaking device, lower hole blocking device and the safety rope with through hole；Lower hole blocking device and safety rope are located at box house；The bottom of casing sets lower hole；Safety rope is connected with lower hole blocking device, and lower hole blocking device blocks lower hole, prevents safety rope from departing from from box house；One end of breaking device and the bottom of casing connect, and through hole connects with lower hole；Safety rope is fixedly connected by lower hole and through hole with insulator；The other end of breaking device is hinged with insulator；The top of casing is connected with power transmission tower；Wherein, safety rope is fixed on inside through hole；When breaking device is under the external force effect of insulator so that breaking device exceedes the fracture limit value of breaking device so as to being broken.When broken string situation occurs for power transmission tower, the present apparatus can effectively reduce the unbalanced tensile force in circuit, so as to avoid power transmission tower from being collapsed because of broken string accident.
Description
Technical field
The utility model belongs to electrical equipment technical field, more particularly to the protector of a kind of power transmission tower and insulator.
Background technology
With the fast development of social economy and the continuous improvement of living standards of the people, society and the people be unable to do without electric power
Transmission network.Electric power transmission network is the important component of power construction, is the carrier of conveying and distribution electric energy, once occur
Destroy, normal supply of electric power can be had a strong impact on.In power network disaster, if power transmission tower occurs to destroy or collapse, its maintenance cost
Grown with huge and maintenance time, and because maintenance can influence normal supply of electric power, so as to cause bigger economic loss.
It can be seen from the survey report that transmission line of electricity destroys, circuit longitudinal unbalance overtension and resulting moment of torsion are transmissions of electricity
The common cause that tower destroys.
In summary, broken string phenomenon occurs for power transmission tower, and especially when ice load acts on, the larger circuit of span occurs
Break, can produce huge unbalanced tensile force in circuit, serious threat is caused to the safety of power transmission tower.The utility model is intended to subtract
Unbalanced tensile force in small circuit.
Utility model content
In view of this, the utility model discloses a kind of power transmission tower and the protector of insulator, occur in power transmission tower disconnected
During line situation, the utility model can effectively reduce the residual tensions of the adjacent shelves wire of broken string, so as to reduce the injustice in circuit
Weigh tension force, avoids power transmission tower from being collapsed because of broken string accident.
The utility model additionally provides a kind of power transmission tower protector, including：
Casing, breaking device, lower hole blocking device and the safety rope with through hole；
The lower hole blocking device and the safety rope are located at the box house；
The bottom of the casing sets lower hole；
The safety rope is connected with the lower hole blocking device, and the lower hole blocking device is blocked under the casing
Hole, prevent the safety rope from departing from from the box house；
One end of the breaking device is connected with the bottom of the casing, and the through hole connects with the lower hole；
The safety rope is fixed by the lower hole of the casing and the through hole of the breaking device with the insulator to be connected
Connect；
The other end of the breaking device is hinged with the insulator；
The top of the casing is connected with the power transmission tower；
Wherein, the safety rope is fixed on inside the through hole of the breaking device；When the breaking device is in the insulation
Under the external force effect of son so that the breaking device exceedes the fracture limit value of the breaking device so as to being broken.
Preferably, described power transmission tower and the protector of insulator also include the friction column with passage, the tool
The friction column for having passage is installed between the casing and the breaking device, the bottom of the passage of the friction column and the casing
The lower hole in portion connects with the through hole of the breaking device.
Preferably, the safety rope is fixedly connected by the lower hole blocking device with the interior, prevent
Only the safety rope departs from from box house.
Preferably, the lower hole blocking device is integrally formed with the safety rope, the lower hole blocking device with
The safety rope, which is not done, to be split, and directly manufacture obtains.
Wherein, the lower hole blocking device is bigger than the lower hole so that the lower hole blocking device is blocked described
The lower hole of casing.
Preferably, described power transmission tower and the protector of insulator also include barred body, the safety rope is wrapped in institute
State barred body periphery.
More preferably, the barred body is fixed on the box house.
Wherein, the barred body can prevent safety rope from mutually winding, it is ensured that safety rope can be slided smoothly from box house
Go out.
Preferably, the lower hole blocking device is integrally formed with the barred body, the lower hole blocking device and institute
State barred body and do not do and split, directly manufacture obtains.
Preferably, described power transmission tower and the protector of insulator also include lower connector, the lower connector with
The breaking device connection, the safety rope are connected by the through hole of the breaking device with the lower connector.
Preferably, described power transmission tower and the protector of insulator also include hanging plate, the hanging plate is arranged on described
The top of casing.
Preferably, the top of the casing is connected by the hanging plate with the power transmission tower so that described power transmission tower
Swung with the protector of insulator on the power transmission tower.
More preferably, the hanging plate and the power transmission tower are be hinged.
Preferably, the insulator is suspension insulator.
Preferably, the barred body is metal bar.
Preferably, the breaking device is prepared by rigid material.
Wherein, different rigid materials causes breaking device to have different fracture limit values, when the breaking device is in institute
State under the effect of insulator external force so that the breaking device exceedes fracture limit value so as to be broken.
Therefore, the breaking device that prepared by different rigidity material is applied to different types of power transmission tower.
In addition, the smallest cross-section area of adjustment breaking device also can be suitably used for different types of power transmission tower.
Preferably, the friction column with passage is prepared by friction material, when the safety rope rubs described
When the passage of wiping post skids off, the friction column can consume the energy that a part of safety rope skids off.
Refer to Fig. 4 to Fig. 7, the casing top of the protector of this power transmission tower and insulator is connected with power transmission tower, is broken
Device is connected with insulator.After breaking device pulls destruction by insulator, breaking device is broken, and safety rope skids off length and is
L, the length equivalent to insulator increase L, therefore can play a part of reducing the adjacent shelves residual tensions that break.The utility model
It was found that after power transmission tower broken string, the tension force for the shelves that break is zero, and the adjacent shelves to break, due to the flexing and insulator of power transmission tower
Deflection, the tension force of adjacent shelves wire is caused to reduce, this residual tensions is the unbalanced tensile force of circuit.Imbalance in circuit
Power is bigger, and power transmission tower is easier to be destroyed, or even is collapsed.Further, since the percussion of broken string, circuit unbalanced tensile force will
A peak value occurs, serious threat is caused to the safety of transmission line of electricity.Therefore, reduce the adjacent shelves wire of broken string remnants
Power, that is, the unbalanced tensile force of power transmission tower circuit is reduced, can effectively avoid collapsing for power transmission tower.The utility model is found with increasing
Big insulator length, the unloading effect to the residual tensions of the adjacent shelves wire of broken string is stronger, can effectively reduce the phase of broken string
The residual tensions of adjacent shelves wire, so as to reduce the unbalanced tensile force that power transmission tower is born.
Based on above technical problem, the utility model provides a kind of protector of power transmission tower and insulator, the transmission of electricity
Tower protector includes：Casing, breaking device, lower hole blocking device and the safety rope with through hole；This protector is installed
Between power transmission tower and insulator, the circuit of power transmission tower once breaks, and the breaking device being hinged with insulator is in insulator
External force effect under so that breaking device exceed fracture limit value so as to be broken, now, the guarantor being fixedly connected with breaking device
Danger rope is not broken so that safety rope skids off from lower hole, after safety rope skids off preset distance, is connected down with safety rope
Hole blocking device blocks the lower hole of casing, prevents safety rope from departing from from box house, increase the top of insulator with it is defeated
The distance of electric tower, therefore, this protector is equivalent to the length for increasing insulator, to the residual tensions of the adjacent shelves wire of broken string
Unloading effect it is stronger, the residual tensions of the adjacent shelves wire of broken string can be effectively reduced, born not so as to reduce power transmission tower
Balance tension.
, wherein it is desired to explanation is that the top of insulator is connected by this protector with power transmission tower, specially insulator
Top and protector of the present utility model breaking device (or lower connector) it is be hinged, protector of the present utility model
Casing top (or upper connector) be hinged with power transmission tower.
, wherein it is desired to explanation is that the lower end of insulator is connected with wire.
, wherein it is desired to explanation be this protector breaking device fracture after, safety rope skids off, and increases insulator
Top and the distance of power transmission tower, this is equivalent to the length for increasing insulator.
, wherein it is desired to explanation is that power transmission line belongs to suspended-cable structure.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art.
Fig. 1 shows a kind of structural representation of power transmission tower protector provided by the utility model；
Fig. 2 shows a kind of another structural representation of power transmission tower protector provided by the utility model；
Fig. 3 shows a kind of upward view of power transmission tower protector provided by the utility model；
Fig. 4 shows the breaking device fracture schematic diagram of power transmission tower protector provided by the utility model；
Fig. 5 shows two grades of wire schematic diagrames；
Fig. 6 shows the residual tensions of the adjacent shelves wire of broken string and the graph of a relation of insulator length；
Fig. 7 shows that residual tensions are with the variation diagram of insulator length corresponding to different ice covering thickness；
Wherein, 1. times connectors, 2. breaking devices, 3. casings, 4. safety ropes, 5. friction columns, 6. times hole blocking devices,
7. hanging plate, 8. barred bodies, 9. upper connectors, 10. times holes, 11. passages, 12. through holes, Ts are the remnants of the adjacent shelves wire of broken string
Tension force.
Embodiment
The utility model provides a kind of protector of power transmission tower and insulator, can effectively solve power transmission tower and break
In the case of reduce unbalanced tensile force in circuit, so as to avoid power transmission tower from being collapsed because of broken string accident.
The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described
Embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
The utility model provides the embodiment of the protector of a power transmission tower and insulator, and embodiment 1 includes：Casing
3rd, there is breaking device 2, lower hole blocking device 6 and the safety rope 4 of passage 12；Lower hole blocking device 6 and safety rope 4 are located at
Inside the casing 3；The bottom of casing 3 sets lower hole 10；Safety rope 4 is connected with lower hole blocking device 6, and lower hole blocks
Device 6 blocks the lower hole 10 of casing 3, prevents safety rope 4 from departing from from the inside of casing 3；One end of breaking device 2 and casing 3
Bottom connects；The other end of breaking device 2 is hinged with insulator, and through hole 12 connects with lower hole 10；Safety rope 4 passes through casing 3
Lower hole 10 and the through hole 12 of breaking device 2 be fixedly connected with insulator；The top of casing 3 is connected with the power transmission tower.
Wherein, safety rope 4 is fixed on inside the through hole 12 of breaking device 2；When breaking device 2 acts in the external force of insulator
Under so that breaking device 2 exceedes the fracture limit value of breaking device 2 so as to be broken, but safety rope 4 is not broken.
The protector of embodiment 1 is arranged between power transmission tower and insulator, and the circuit of power transmission tower once breaks, with
The be hinged breaking device 2 of insulator is under the external force effect of insulator so that breaking device 2 exceedes fracture limit value so as to break
Split, now, the safety rope 4 being fixedly connected with breaking device is not broken, and the external force of insulator, which acts on, causes safety rope 4 under
Hole 10 skids off, and after safety rope 4 skids off preset distance, the lower hole blocking device 6 being connected with safety rope 4 is by under casing 3
Hole 10 is blocked, and prevents safety rope 4 from departing from from the inside of casing 3, and the protector of embodiment 1 is skidded off after safety rope equivalent to increase
The length of insulator (increasing insulator in the distance of power transmission tower), effectively reduce remnants of the adjacent shelves wire of broken string
Power, thus reduce the unbalanced tensile force that power transmission tower is born.
Fig. 1 to Fig. 3 is referred to, the utility model provides the embodiment of the protector of a power transmission tower and insulator,
Embodiment 2 includes：Casing 3, the breaking device 2 with through hole 12, lower hole blocking device 6, safety rope 4 and with passage 11
Friction column 5；Lower hole blocking device 6 and safety rope 4 are inside the casing 3；The bottom of casing 3 sets lower hole 10；Protect
Danger rope 4 is connected with lower hole blocking device 6, and lower hole blocking device 6 blocks the lower hole 10 of casing 3, prevents safety rope 4 from case
The inside of body 3 departs from；One end of friction column 5 with passage 11 is connected with the bottom of casing 3, one end of breaking device 2 and friction
The other end connection of post 5, the three of through hole 12 of the lower hole 10 of the bottom of casing 3 and the passage 11 of friction column 5 and breaking device 2
Connection；Safety rope 4 is hinged by the lower hole 10 of casing 3, through hole 12 and the insulator of breaking device 2；The top of casing 3 and institute
Power transmission tower is stated to be hinged.
Wherein, safety rope 4 is fixed on inside the through hole of breaking device 2；When breaking device 2 acts in the external force of insulator
Under so that breaking device 2 exceedes the fracture limit value of breaking device 2 so as to be broken, but safety rope 4 is not broken.
The protector of embodiment 2 is arranged between power transmission tower and insulator, and the circuit of power transmission tower once breaks, with
The breaking device 2 that insulator is fixedly connected is under the external force effect of insulator so that breaking device 2 exceedes fracture limit value so as to send out
Raw fracture, now, the safety rope 4 being fixedly connected with breaking device is not broken, and the external force of insulator, which acts on, causes safety rope 4
Skidded off by passage 11 from lower hole 10, after safety rope 4 skids off certain distance, the lower hole being connected with safety rope 4 blocks dress
Put 6 to block the lower hole 10 of casing 3, prevent safety rope 4 from departing from from the inside of casing 3, the protector of embodiment 2 skids off insurance
Equivalent to the length (increasing insulator in the distance of power transmission tower) for increasing insulator after rope, the length of increase is about safety rope
4 length, the residual tensions of the adjacent shelves wire of broken string are effectively reduced, thus reduce the unbalanced tensile force that power transmission tower is born.
In addition, when safety rope 4 is skidded off by friction column 5, friction column 5 can consume the energy that insulator outwards involves safety rope 4
Amount, increase the residual tensions for reducing the adjacent shelves wire of power transmission tower, the final unbalanced tensile force for reducing power transmission tower and bearing.
Fig. 1 to Fig. 3 is referred to, the utility model provides the embodiment of the protector of a power transmission tower and insulator,
Embodiment 3 includes：Casing 3, the breaking device 2 with through hole 12, lower hole blocking device 6, safety rope 4, with passage 11
Friction column 5, barred body 8, lower connector 1 and hanging plate 7；Lower hole blocking device 6 and safety rope 4 are inside the casing 3；Casing
3 bottom sets lower hole 10；Safety rope 4 is connected with lower hole blocking device 6, and lower hole blocking device 6 is blocked under casing 3
Hole 10, prevent safety rope 4 from departing from from the inside of casing 3；One end of friction column 5 with passage 11 is connected with the bottom of casing 3,
One end of breaking device 2 is connected with the other end of friction column 5, and one end of lower connector 1 is connected with the other end of breaking device 2；
The lower hole 10 of the bottom of casing 3 connects with the three of through hole 12 of the passage 11 of friction column 5 and breaking device 2；The top of casing 3
It is hinged by hanging plate and the power transmission tower.Safety rope 4 is wrapped in the periphery of barred body 8；Safety rope 4 by the lower hole 10 of casing 3, rub
The through hole 12 of the passage 11 and breaking device 2 of wiping post 5 is fixedly connected with lower connector 1；One end of lower connector 1 and breaking device
2 connections, the other end of lower connector 1 are hinged with insulator, and hanging plate 7 is arranged on the top of casing 3.
Wherein, safety rope 4 is fixed on inside the through hole of breaking device 2；When breaking device 2 by lower connector 1 by exhausted
Under the external force effect of edge so that breaking device 2 exceedes the fracture limit value of breaking device 2 so as to be broken, and safety rope 4 is not sent out
Raw fracture.
Further, safety rope 4 can be fixedly connected by lower hole blocking device 6 with the inner surface of casing 3, equally be played
The effect for preventing safety rope 4 from departing from from the inside of casing 3.
Further, lower hole blocking device 6 is integrally formed with safety rope 4.
Further, lower hole blocking device 6 is integrally formed with barred body 8.
Further, the top of casing 3 is fixedly connected by hanging plate 7 with power transmission tower.
Further, the insulator is suspension insulator.
Further, barred body 8 is metal bar.
Further, barred body 8 can prevent safety rope 4 from winding, it is ensured that safety rope 4 can be skidded off smoothly.
Further, breaking device is prepared by rigid material, according to different rigid materials so that breaking device has not
Same fracture limit value.
Further, the middle friction column with through hole is prepared by friction material.
Between the protector installation of embodiment 3 and power transmission tower and insulator, broken string situation occurs for power transmission tower, with insulator
The lower connector 1 of connection is under the external force effect of insulator so that the breaking device 2 being connected with lower connector 1 is also by external force
Effect, limit value is broken so as to be broken when the external force that breaking device 2 is subject to exceedes, now, is fixedly connected with lower connector 1
Safety rope 4 is not broken, and the external force of lower connector 1, which acts on, causes safety rope 4 to be skidded off by passage 11 from lower hole 10, this
When, safety rope 4 by barred body 8 from friction column 5 skid off when, barred body 8 cause safety rope 4 smoothly skidded off from friction column 5, friction column 5
The energy that the lower connector 1 in part outwards involves safety rope 4 can be consumed, so as to increase remnants that reduce the adjacent shelves wire of power transmission tower
Power, after safety rope 4 skids off certain distance, the lower hole blocking device 6 being connected with safety rope 4 blocks up the lower hole 10 of casing 3
Firmly, prevent safety rope 4 from departing from from the inside of casing 3, the protector of embodiment 3 is skidded off after safety rope equivalent to increasing insulator
Length (increasing insulator in the distance of power transmission tower), effectively reduce power transmission tower broken string adjacent shelves wire residual tensions,
Thus reduce the unbalanced tensile force that power transmission tower is born.
In addition, when safety rope 4 is skidded off by friction column 5, friction column 5 can consume the energy that insulator outwards involves safety rope 4
Amount, reduce the residual tensions of the adjacent shelves wire of power transmission tower, the final unbalanced tensile force for reducing power transmission tower and bearing.
Finally, power transmission tower is hung in different types of power transmission tower by the power transmission tower protector of hanging plate 7, works as transmission of electricity
When broken string situation occurs for tower, the protector of embodiment 3 equivalent to the length for increasing insulator, increase the top of insulator with
The distance of power transmission tower, the residual tensions of the adjacent shelves wire of broken string are effectively reduced, thus reduce the imbalance that power transmission tower is born
Power.
Refer to Fig. 5 two grades of wire schematic diagrames, Fig. 4 protector of the present utility model fracture schematic diagram and Fig. 6's
The graph of a relation of residual tensions and the insulator length of the adjacent shelves wire of broken string, the residual tensions of the adjacent shelves wire of broken string with absolutely
The length relation figure of edge is into negative correlation, after power transmission tower broken string, with the growth of the length of insulator, and the adjacent shelves wire of broken string
Residual tensions (Ts) reducing, it can be seen that, increase insulator length (equivalent to increase insulator and power transmission tower away from
From), the residual tensions reduction amplitude of the adjacent shelves wire of broken string can be made bigger.
Refer to residual tensions corresponding to Fig. 7 different ice covering thickness and understand that icing is made with the variation diagram of insulator length
Used time, the tension force increase of wire, the harm brought of breaking is also bigger, with the increase of ice covering thickness, the length increase of insulator
Reduction effect for wire residual tensions is more obvious.
Embodiment of the present utility model should be noted：First, the fracture limit value of breaking device is needed according to different shaped
Number the maximum unbalanced tensile force that can bear of power transmission tower be designed；Second, the setting of friction column 5 should ensure safety rope 4
Increase resistance on the premise of can smoothly skidding off；3rd, hole blocking device 6 will ensure that safety rope can block when skidding off under through hole
At the lower hole 10 of casing, therefore, there must be certain rigidity at lower hole 10, lower hole 10 can not be by hole under through hole
Blocking device 6 destroys；4th, safety rope 4 can not occur in protection process it is ensured that the load of roadway of power transmission tower can be born
Fracture.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. protector of power transmission tower and insulator, it is characterised in that including：Casing, breaking device, lower hole blocking device and the safety rope with through hole；The lower hole blocking device and the safety rope are located at the box house；The bottom of the casing sets lower hole；The safety rope is connected with the lower hole blocking device, and the lower hole blocking device blocks the lower opening of the casing Hole, prevent the safety rope from departing from from the box house；One end of the breaking device is connected with the bottom of the casing, and the through hole connects with the lower hole；The safety rope is fixedly connected by the lower hole of the casing and the through hole of the breaking device with the insulator；The other end of the breaking device is hinged with the insulator；The top of the casing is connected with the power transmission tower；Wherein, the safety rope is fixed on inside the through hole of the breaking device；When the breaking device is in the insulator Under external force effect so that the breaking device exceedes the fracture limit value of the breaking device so as to being broken.
- 2. the protector of power transmission tower according to claim 1 and insulator, it is characterised in that also include with passage Friction column, the friction column with passage are installed between the casing and the breaking device, the passage of the friction column Connected with the lower hole of the bottom of the casing and the through hole of the breaking device.
- 3. the protector of power transmission tower according to claim 1 or 2 and insulator, it is characterised in that the safety rope leads to Cross the lower hole blocking device to be fixedly connected with the interior, prevent the safety rope from departing from from box house.
- 4. the protector of power transmission tower according to claim 1 or 2 and insulator, it is characterised in that the lower hole blocks up Plug device is integrally formed with the safety rope.
- 5. the protector of power transmission tower according to claim 1 or 2 and insulator, it is characterised in that also including barred body, institute State safety rope and be wrapped in the barred body periphery.
- 6. the protector of power transmission tower according to claim 5 and insulator, it is characterised in that the lower hole blocks dress Put and be integrally formed with the barred body.
- 7. the protector of power transmission tower according to claim 1 and insulator, it is characterised in that also including lower connector, The lower connector is connected with the breaking device, through hole and the lower connector of the safety rope by the breaking device Connection.
- 8. the protector of power transmission tower according to claim 1 or 2 and insulator, it is characterised in that also including hanging plate, institute State the top that hanging plate is arranged on the casing.
- 9. the protector of power transmission tower according to claim 8 and insulator, it is characterised in that the top of the casing leads to Cross the hanging plate to be connected with the power transmission tower so that described power transmission tower and the protector of insulator is put on the power transmission tower It is dynamic.
- 10. the protector of power transmission tower according to claim 1 or 2 and insulator, it is characterised in that the insulator is Suspension insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085007.3U CN207098564U (en) | 2017-08-28 | 2017-08-28 | A kind of protector of power transmission tower and insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085007.3U CN207098564U (en) | 2017-08-28 | 2017-08-28 | A kind of protector of power transmission tower and insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098564U true CN207098564U (en) | 2018-03-13 |
Family
ID=61540219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085007.3U Withdrawn - After Issue CN207098564U (en) | 2017-08-28 | 2017-08-28 | A kind of protector of power transmission tower and insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207098564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317291A (en) * | 2017-08-28 | 2017-11-03 | 广东电网有限责任公司电力科学研究院 | A kind of protector of power transmission tower and insulator |
-
2017
- 2017-08-28 CN CN201721085007.3U patent/CN207098564U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317291A (en) * | 2017-08-28 | 2017-11-03 | 广东电网有限责任公司电力科学研究院 | A kind of protector of power transmission tower and insulator |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230516 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230516 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |