CN109802329A - Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods - Google Patents

Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods Download PDF

Info

Publication number
CN109802329A
CN109802329A CN201910098494.4A CN201910098494A CN109802329A CN 109802329 A CN109802329 A CN 109802329A CN 201910098494 A CN201910098494 A CN 201910098494A CN 109802329 A CN109802329 A CN 109802329A
Authority
CN
China
Prior art keywords
phase conductor
operation phase
equipotential
delivery vehicle
enters
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.)
Pending
Application number
CN201910098494.4A
Other languages
Chinese (zh)
Inventor
雷兴列
彭勇
刘庭
刘凯
肖宾
霍锋
苏梓铭
唐盼
余光凯
郑秋玮
郭璇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shaanxi Electric Power Co Ltd
Electric Power Research Institute of State Grid Shaanxi Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shaanxi Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI, State Grid Shaanxi Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201910098494.4A priority Critical patent/CN109802329A/en
Publication of CN109802329A publication Critical patent/CN109802329A/en
Pending legal-status Critical Current

Links

Abstract

The present invention provides a kind of electrifications to enter 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, and this method comprises the following steps: installation steps, determines to operation phase conductor, and install delivery vehicle on hanging the cross-arm to operation phase conductor;It enters step, equipotential staff enters delivery vehicle, and according to pre-set velocity and preset path to mobile at operation phase conductor;Job step enters back into after carrying out equipotential operation at the first pre-determined distance of operation phase conductor in distance and carries out operation to operation phase conductor.In the present invention; according to determining to operation phase conductor; equipotential staff is taken delivery vehicle and is entered with pre-set velocity and preset path to the progress operation of operation phase conductor; then equipotential staff can safely and steadly enter to operation phase conductor; it is effectively protected equipotential staff; carry out with ensure that 750 kilovolts of quadri-circuit lines on the same tower road live-working safeties, improves the security and stability of supergrid.

Description

Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods
Technical field
The present invention relates to livewire work technical fields, enter 750 kilovolts of quadri-circuit lines on the same towers in particular to a kind of electrification Road equipotential method.
Background technique
Northwest China area 750kV transmission system is quickly grown, and networking, planning construction has been done step-by-step in line construction A plurality of route.And the important passway for transmitting electricity Hexi Corridor Region current power transmission route land occupation in the Northwest is especially nervous, multiple-loop line Multi circuit transmission lines are set up in same shaft tower by multi-line power transmission technology realizes large capacity and few land occupation, and area has had more throughout our country Year application practice, operating condition are good.On the basis of existing 750kV single loop and multiple-circuit on same tower design and operating experience, 750kV has become the specific direction of China's electric utility development with four circuit technology of transmission of electricity of tower.
In general, the operating maintenance work of power grid is for guaranteeing that it is very heavy that the safe and stable of power grid, reliability service have The meaning wanted.The important technical that livewire work is overhauled as operation of power networks, to ensure extra-high voltage grid it is safe and stable, can It is of great significance by operation.Tetra- return lead wiring on the same tower of 750kV is as a kind of novel line architecture mode, pyramidal structure Pattern, line parameter circuit value and wire arrangements mode 750kV multiple-circuit on same tower different from the past, the electricity of typical livewire work operating condition The phenomenon that pole structural shape changes, also, there are same layer cross-arm two phase conductors of arrangement, therefore existing 750kV is double with tower Loop line road equipotential method can not be suitable for tetra- return lead of 750kV, equipotential staff can not safely enter conducting wire into Row takes operation to.
Summary of the invention
In consideration of it, the invention proposes a kind of electrifications to enter 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, it is intended to solve Conducting wire safely can not be entered for 750 kilovolts of quadri-circuit lines on the same tower road equipotential staff in the prior art and carry out livewire work The problem of.
The invention proposes a kind of electrifications to enter 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, and this method includes as follows Step: installation steps are determined to operation phase conductor, and install delivery vehicle on hanging the cross-arm to operation phase conductor;Into Step, equipotential staff enter delivery vehicle, and according to pre-set velocity and preset path to mobile at operation phase conductor; Job step, distance after at the first pre-determined distance of operation phase conductor carry out equipotential operation after enter back into operation phase conductor into Row operation.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, and installation steps are further wrapped Include: first determines sub-step, determines the position to operation phase conductor;Second determines sub-step, according to the position to operation phase conductor It sets, the hitch point of delivery vehicle is determined on hanging the cross-arm to operation phase conductor;Delivery vehicle sub-step is installed, in hitch point Place's installation delivery vehicle.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, and second determines sub-step In, the hitch point of delivery vehicle is located to the surface of operation phase conductor or has second with the surface to operation phase conductor At pre-determined distance, so that delivery vehicle is according to preset path to mobile at operation phase conductor.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, installs delivery vehicle sub-step In rapid, if being arranged to operation phase conductor close to tower body, delivery vehicle includes: the first rope, the second rope and hanging basket;First rope One end be connected with hitch point, the other end of the first rope is connected with hanging basket, and one end of the second rope is connected with hanging basket, The other end of second rope is free end;If being arranged to operation phase conductor far from tower body, delivery vehicle includes: fixed pulley, third Rope and hanging basket;Fixed pulley is installed at hitch point, third rope is set around fixed pulley and one end is connected with hanging basket, the other end For free end.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, if remote to operation phase conductor It is arranged from tower body, hanging basket is additionally provided with auxiliary ropes.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, enters step further packet Include: first enters sub-step, and equipotential staff enters delivery vehicle by the first predeterminated position;Second enters sub-step, ground Current potential staff controls delivery vehicle in the second predetermined position so that delivery vehicle according to pre-set velocity and preset path to To mobile at operation phase conductor.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, and first enters sub-step In, if being arranged to operation phase conductor close to tower body, equipotential staff enters delivery work from the first predetermined position of tower body Tool;If being arranged to operation phase conductor far from tower body, equipotential staff is default from first to operation phase conductor lower section cross-arm Enter delivery vehicle at position;First predeterminated position should make delivery vehicle according to preset path to move at operation phase conductor It is dynamic.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, and second enters sub-step In, preset path be so that the sum of S1 and S2 within a preset range;Wherein, S2 is for delivery vehicle and between operation phase conductor Distance;If being arranged to operation phase conductor close to tower body, S1 is delivery vehicle and the vertical range at tower body;If to operation Phase conductor is arranged far from tower body, S1 be delivery vehicle on to operation phase conductor lower section cross-arm at cant beam it is vertical away from From.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, preset range be greater than etc. In 5.5m.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, preset range be greater than etc. In 5.5m and it is less than or equal to 7.0m.
Further, above-mentioned electrification enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, in job step, waits electricity Position staff is in distance to be hooked to operation phase conductor with electric potential transferring stick to realize at the first pre-determined distance of operation phase conductor Equipotential.
In the present invention, according to determining to operation phase conductor, equipotential staff takes delivery vehicle with pre-set velocity Enter with preset path and carry out operation to operation phase conductor, then equipotential staff can safely and steadly enter to operation Phase conductor is effectively protected equipotential staff, solves in the prior art for 750 kilovolts of quadri-circuit lines on the same tower road equipotentials Staff can not safely enter the problem of conducting wire carries out livewire work, ensure that 750 kilovolts of quadri-circuit lines on the same tower road electrifications are made Industry is safely carried out, and the security and stability of supergrid is improved.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the flow chart that electrification provided in an embodiment of the present invention enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods;
Fig. 2 is that electrification provided in an embodiment of the present invention enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, installation step Rapid flow chart;
Fig. 3 is that electrification provided in an embodiment of the present invention enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, into step Rapid flow chart;
Fig. 4 is that electrification provided in an embodiment of the present invention enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, power transmission tower Structural schematic diagram;
Fig. 5 is that electrification provided in an embodiment of the present invention enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, close to tower Body setting to the operation chart at operation phase conductor;
Fig. 6 is that electrification provided in an embodiment of the present invention enters in 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, far from tower Body setting to the operation chart at operation phase conductor.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig. 1, Fig. 1 is that electrification provided in an embodiment of the present invention enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods Flow chart.Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods and includes the following steps:
Installation steps S1 is determined to operation phase conductor, and install delivery vehicle on hanging the cross-arm to operation phase conductor.
Specifically, referring to fig. 4 to Fig. 6, the position to operation phase conductor 3 is shown in Fig. 4, since power transmission tower is symmetrical Setting is mutually led on the right side of power transmission tower to operation so only showing the deployment scenarios on the left of power transmission tower to operation phase conductor in Fig. 4 The deployment scenarios of line are identical to the deployment scenarios of operation phase conductor 3 as left side, also, enter equal electricity of the left side to operation phase conductor Position method is identical to the equipotential method of operation phase conductor with entrance right side.It in the present embodiment, is on the left of power transmission tower To what is be introduced for operation phase conductor.
Referring to fig. 4, in the deployment scenarios on the left of power transmission tower to operation phase conductor, at 1,2,4 and 6 positions of tower body Electrification access method is different with the electrification access method at 3 and 5 positions far from tower body, needs to be introduced respectively, because This is needed first to determine to operation phase conductor 3, and determines the position to operation phase conductor 3.
It referring to fig. 4, to operation phase conductor 3 is connected on the cross-arm 1 of power transmission tower by V-type insulator chain.Deliver work Tool is insulation, and delivery vehicle is set to suspension on the cross-arm 1 of operation phase conductor 3, and delivery vehicle is by equipotential staff It is transported to at operation phase conductor 3, so that equipotential staff enters to carry out livewire work at operation phase conductor 3.
S2 is entered step, equipotential staff enters delivery vehicle, and according to pre-set velocity and preset path to wait make It is mobile at industry phase conductor.
Specifically, then a full set of shielding clothing of equipotential live line work personnel needs wearing, which is climbed from ground to power transmission tower, waits electricity Position staff takes delivery vehicle, and speed and the path of delivery vehicle are controlled under the cooperation of ground potential staff, so that Delivery vehicle is according to pre-set velocity and preset path to mobile at operation phase conductor 3.Ground potential staff delivers in control When tool, should delivery vehicle at the uniform velocity be moved, avoid delivery vehicle movement speed fluctuations larger so that delivery vehicle is trembled It is dynamic obvious, to reduce the impact load to delivery vehicle, improve safety.
Job step S3 is entered back into after carrying out equipotential operation at the first pre-determined distance of operation phase conductor wait make in distance Industry phase conductor carries out operation.
Specifically, equipotential staff is in distance to be hooked at the first pre-determined distance of operation phase conductor with electric potential transferring stick To operation phase conductor to realize equipotential, equipotential staff enters and charges to operation phase conductor after realizing equipotential Operation.
When operation, ground potential staff stops in distance to control delivery vehicle at the first pre-determined distance of operation phase conductor Only, equipotential staff is hooked to operation phase conductor with electric potential transferring stick to realize equipotential.It is electric after realizing equipotential Position staff continues to control delivery vehicle into operation phase conductor 3, and equipotential staff carries out livewire work.
When it is implemented, the first pre-determined distance can determine that the present embodiment does not do any limit to this according to the actual situation System.In the present embodiment, the first pre-determined distance be distance to operation phase conductor 1m at.
As can be seen that, according to determining to operation phase conductor, equipotential staff takes delivery vehicle in the present embodiment Entered with pre-set velocity and preset path and carry out operation to operation phase conductor, then equipotential staff can be safely and steadly Into to operation phase conductor, it is effectively protected equipotential staff, solves and 750 kilovolts is returned with tower four in the prior art Route equipotential staff can not safely enter the problem of conducting wire carries out livewire work, ensure that 750 kilovolts are returned with tower four Line live-line work is safely carried out, and the security and stability of supergrid is improved.
Referring to fig. 2, Fig. 2 is that electrification provided in an embodiment of the present invention enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods In, the flow chart of installation steps.As shown, installation steps S1 further comprises:
First determines sub-step S11, determines the position to operation phase conductor.
Specifically, referring to fig. 4, it determines and is at tower body 2 to operation phase conductor, i.e. in Fig. 4 at 1,2,4 and 6 positions, Or at separate tower body 2, i.e. in Fig. 4 at 3 and 5 positions.
Second determines sub-step S12, according to the position to operation phase conductor, on hanging the cross-arm to operation phase conductor really Determine the hitch point of delivery vehicle.
Specifically, it is either at tower body 2 to operation phase conductor 3 or far from tower body 2, delivery vehicle hangs Hanging point (the A point in Fig. 5 and Fig. 6) is the surface positioned to operation phase conductor 3, or positioned at to operation phase conductor 3 Surface has at the second pre-determined distance, and the position of hitch point should make delivery vehicle according to preset path to operation phase conductor It is mobile at 3.
When it is implemented, if being at tower body 2 to operation phase conductor 3, i.e. in Fig. 4 at 1,2,4 and 6 positions, suspension Point A point is somebody's turn to do positioned at the surface to operation phase conductor 3 or a certain position at surface and the separate tower body 2 of deviation Position, which should meet, enables to delivery vehicle according to preset path to mobile at operation phase conductor 3.Preferably, if wait make Industry phase conductor 3 is in far from tower body 2, i.e. in Fig. 4 at 3 and 5 positions, hitch point A point be located to operation phase conductor 3 just on Side.
When it is implemented, the second pre-determined distance can determine that the present embodiment does not make any limit to this according to the actual situation System.
Delivery vehicle sub-step S13 is installed, delivery vehicle is installed at hitch point.
Specifically, if being arranged to operation phase conductor 3 close to tower body 2, i.e. in Fig. 4 at 1,2,4 and 6 positions.Referring to Fig. 5, fortune Load tool includes: the first rope 4, the second rope 5 and hanging basket 7, wherein and one end of the first rope 4 is connected with hitch point, and first The other end of rope 4 is connected with hanging basket 7, and one end of the second rope 5 is connected with hanging basket 7, and the other end of the second rope 5 is certainly By holding.Specifically, the first rope 4 has preset length, which should enable hanging basket 7 to be transported to equipotential staff To carry out livewire work at operation phase conductor 3, the present embodiment does not do any restrictions to this.The length of second rope 5 can be with It determines according to the actual situation, as long as can guarantee to be transported to equipotential staff to charge at operation phase conductor 3 Operation, the present embodiment do not do any restrictions to this.
Hanging basket 7 is used to take for equipotential staff, and ground potential staff pulls the free end of the second rope 5 to control The position of hanging basket 7 processed and the speed of service, so that hanging basket 7 is with pre-set velocity and preset path to move at operation phase conductor 3 It is dynamic.Wherein, the first rope 4, the second rope 5 and hanging basket 7 are made of isolation material.
If being arranged to operation phase conductor 3 far from tower body 2, i.e. in Fig. 4 at 3 and 5 positions.Referring to Fig. 6, delivery vehicle includes: Fixed pulley, third rope 6 and hanging basket 7.At hitch point install fixed pulley, third rope 6 be set around fixed pulley and one end with hang Basket 7 is connected, and the other end is free end.
, ground potential staff pulls the free end of third rope 6 to control position and the speed of service of hanging basket 7, thus So that hanging basket 7 is with pre-set velocity and preset path to mobile at operation phase conductor 3.Wherein, third rope 6 is isolation material system At.
If being arranged to operation phase conductor 3 far from tower body 2, i.e. in Fig. 4 at 3 and 5 positions, in order to avoid hanging basket 7 is to wait make Occurs the case where rotation, shake when mobile at industry phase conductor 3, then hanging basket 7 is additionally provided with auxiliary ropes 8, i.e. the of auxiliary ropes 8 One end is connected with hanging basket 7, and the second end of auxiliary ropes 8 is free end.Ground potential staff pulls the second of auxiliary ropes 8 End, to control the swing rotary of hanging basket 7.In practical operation, auxiliary ropes 8 do not stress, then ground potential staff pulls third Rope 6 controls the movement of hanging basket 7.When being provided with auxiliary ropes 8, ground potential staff is two, two ground potential works Make personnel and controls third rope 6 and auxiliary ropes 8 respectively.Wherein, auxiliary ropes 8 are made of isolation material.
As can be seen that being determined in suspension according to the position to operation phase conductor determined to operation phase in the present embodiment The position of hitch point on the cross-arm of conducting wire ensure that delivery vehicle according to preset path so that the position of hitch point determines accurately To mobile at operation phase conductor, also, the setting of delivery vehicle is taken convenient for equipotential staff, is also convenient for ground potential work Make the control of personnel.
Referring to Fig. 3, Fig. 3 is that electrification provided in an embodiment of the present invention enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods In, the flow chart that enters step.As shown, entering step S2 and further comprising:
First enters sub-step S21, and equipotential staff enters delivery vehicle by the first predeterminated position.
Specifically, if being arranged to operation phase conductor 3 close to tower body 2, i.e. in Fig. 4 at 1,2,4 and 6 positions, referring to Fig. 5, etc. Current potential staff enters delivery vehicle from the first predetermined position of tower body 2;If being arranged to operation phase conductor 3 far from tower body 2, That is in Fig. 4 at 3 and 5 positions, referring to Fig. 6, equipotential staff is from the first default position to 3 lower section cross-arm 1 of operation phase conductor It sets place and enters delivery vehicle.First predeterminated position should make delivery vehicle according to preset path to mobile at operation phase conductor 3.
Second enters sub-step S22, and ground potential staff controls delivery vehicle in the second predetermined position, so that delivery Tool is according to pre-set velocity and preset path to mobile at operation phase conductor.
Specifically, referring to Fig. 5, if being arranged to operation phase conductor 3 close to tower body 2, i.e. in Fig. 4 at 1,2,4 and 6 positions, ground Current potential staff controls delivery vehicle at the second predeterminated position (B point shown in fig. 5) of tower body 2, and according to pre-set velocity Discharge delivery vehicle.That is, ground potential staff discharges the second rope 5 to control hanging basket 7 to mobile at operation phase conductor 3.
Referring to Fig. 6, if being arranged to operation phase conductor 3 far from tower body 2, i.e. in Fig. 4 at 3 and 5 positions, ground potential staff Second predetermined position controls delivery vehicle on the lower section cross-arm 1 to operation phase conductor 3, and is promoted and delivered according to pre-set velocity Tool.That is, ground potential staff pulls third rope 6 to promote hanging basket 7 to mobile at operation phase conductor 3.
When it is implemented, the second predeterminated position can determine according to the actual situation, as long as making delivery vehicle according to pre- If path is to mobile at operation phase conductor, the present embodiment is not intended to be limited in any this.
The pre-set velocity of delivery vehicle should remain a constant speed, and avoid velocity fluctuation from changing so that delivery vehicle shake is obvious, with The impact load to delivery vehicle is reduced, safety is improved.When it is implemented, pre-set velocity can determine according to the actual situation, The present embodiment is not intended to be limited in any this.In the present embodiment, pre-set velocity 1m/s.
Preset path be so that the sum of S1 and S2 within a preset range;Wherein, S2 is for delivery vehicle and to operation phase conductor The distance between;If being arranged to operation phase conductor close to tower body, S1 is delivery vehicle and the vertical range at tower body;If It is arranged to operation phase conductor far from tower body, S1 is delivery vehicle and the hanging down at cant beam on to operation phase conductor lower section cross-arm Straight distance.
Specifically, delivery vehicle is constantly mobile, still, still should ensure that the sum of S1 and S2 within a preset range.Wherein, If being arranged to operation phase conductor 3 close to tower body 2, i.e. in Fig. 4 at 1,2,4 and 6 positions, delivery vehicle is on the move and near tower Vertical range at body 2 is S1.If being arranged to operation phase conductor 3 far from tower body 2, i.e. in Fig. 4 at 3 and 5 positions, mutually led to operation Cant beam 9 is provided on the cross-arm 1 of 3 lower section of line, the vertical range between cant beam 9 is S1 to delivery vehicle on the move.
Preferably, preset range is more than or equal to 5.5m, to guarantee to discharge within the scope of this.More preferably, it presets Range is more than or equal to 5.5m and to be less than or equal to 7.0m, and ensure that will not discharge, and be also convenient for ground potential staff to delivery work The control of tool.
As can be seen that entering step in S2 by limiting preset path in the present embodiment, capable of effectively guaranteeing equipotential Enter to operation phase conductor to worker safety, also, equipotential staff enters position and the ground potential of delivery vehicle The position of staff is for guaranteeing that delivery vehicle, to movement at operation phase conductor, guarantees equipotential according to preset path The personal safety of staff.
When it is implemented, determining and adjusting the position of delivery vehicle hitch point within a preset range according to the sum of S1 and S2 It sets, equipotential staff enters the first predeterminated position of delivery vehicle, ground from tower body or to cross-arm below operation phase conductor Current potential staff is in tower body or the second predeterminated position below to operation phase conductor on cross-arm, to guarantee that delivery vehicle is pressed According to preset path to mobile at operation phase conductor.
In conclusion, according to determining to operation phase conductor, equipotential staff takes delivery vehicle in the present embodiment Entered with pre-set velocity and preset path and carry out operation to operation phase conductor, then equipotential staff can be safely and steadly Into to operation phase conductor, it is effectively protected equipotential staff, ensure that 750 kilovolts of quadri-circuit lines on the same tower road livewire work peaces Carry out entirely, improves the security and stability of supergrid.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (11)

1. a kind of electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which comprises the steps of:
Installation steps are determined to operation phase conductor, and install delivery vehicle on the suspension cross-arm to operation phase conductor;
Enter step, equipotential staff enters the delivery vehicle, and according to pre-set velocity and preset path to it is described to It is mobile at operation phase conductor;
Job step, distance it is described entered back into after carrying out equipotential operation at the first pre-determined distance of operation phase conductor it is described to Operation phase conductor carries out operation.
2. electrification according to claim 1 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute Stating installation steps further comprises:
First determines sub-step, determines the position to operation phase conductor;
Second determines sub-step, according to the position to operation phase conductor, on the suspension cross-arm to operation phase conductor Determine the hitch point of delivery vehicle;
Delivery vehicle sub-step is installed, delivery vehicle is installed at the hitch point.
3. electrification according to claim 2 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute Second is stated to determine in sub-step,
The hitch point of the delivery vehicle is located at the surface to operation phase conductor or with described to operation phase conductor Surface have the second pre-determined distance at so that the delivery vehicle according to the preset path to described to operation phase conductor Place's movement.
4. electrification according to claim 2 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute It states in installation delivery vehicle sub-step,
If described be arranged to operation phase conductor close to tower body, the delivery vehicle includes: the first rope, the second rope and hanging basket; One end of first rope is connected with the hitch point, and the other end of first rope is connected with the hanging basket, institute The one end for stating the second rope is connected with the hanging basket, and the other end of second rope is free end;
If described be arranged to operation phase conductor far from tower body, the delivery vehicle includes: fixed pulley, third rope and hanging basket;? The fixed pulley is installed, the third rope is set around the fixed pulley and one end is connected with the hanging basket at the hitch point It connects, the other end is free end.
5. electrification according to claim 4 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that
If described be arranged to operation phase conductor far from tower body, hanging basket is additionally provided with auxiliary ropes.
6. electrification according to claim 1 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute It states to enter step and further comprises:
First enters sub-step, and equipotential staff enters the delivery vehicle by the first predeterminated position;
Second enters sub-step, and ground potential staff controls the delivery vehicle in the second predetermined position, so that the fortune Load tool is according to the pre-set velocity and the preset path to described to mobile at operation phase conductor.
7. electrification according to claim 6 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that the One enters in sub-step,
If described be arranged to operation phase conductor close to tower body, equipotential staff enters fortune from the first predetermined position of tower body Load tool;
If described be arranged to operation phase conductor far from tower body, equipotential staff is from described to cross-arm below operation phase conductor First predetermined position enters delivery vehicle;
First predeterminated position should make the delivery vehicle according to the preset path to it is described at operation phase conductor move It is dynamic.
8. electrification according to claim 6 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute Second is stated to enter in sub-step,
The preset path be so that the sum of S1 and S2 within a preset range;Wherein, S2 be the delivery vehicle with described wait make The distance between industry phase conductor;
If described be arranged to operation phase conductor close to tower body, S1 is the delivery vehicle and the vertical range at tower body;
If described be arranged to operation phase conductor far from tower body, S1 is for the delivery vehicle and under the phase conductor to operation Vertical range on square cross-arm at cant beam.
9. electrification according to claim 8 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute Stating preset range is more than or equal to 5.5m.
10. electrification according to claim 8 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute Stating preset range is more than or equal to 5.5m and to be less than or equal to 7.0m.
11. electrification according to claim 1 enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods, which is characterized in that institute It states in job step,
Equipotential staff distance it is described at the first pre-determined distance of operation phase conductor with electric potential transferring stick hook it is described to Operation phase conductor is to realize equipotential.
CN201910098494.4A 2019-01-31 2019-01-31 Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods Pending CN109802329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910098494.4A CN109802329A (en) 2019-01-31 2019-01-31 Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910098494.4A CN109802329A (en) 2019-01-31 2019-01-31 Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods

Publications (1)

Publication Number Publication Date
CN109802329A true CN109802329A (en) 2019-05-24

Family

ID=66560834

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910098494.4A Pending CN109802329A (en) 2019-01-31 2019-01-31 Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods

Country Status (1)

Country Link
CN (1) CN109802329A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110265914A (en) * 2019-06-13 2019-09-20 中国电力科学研究院有限公司 Electrification enters the compound equipotential device and method of cross-arm route of AC extra high voltage
CN110707595A (en) * 2019-09-18 2020-01-17 国网浙江省电力有限公司金华供电公司 Safety method for lightning arrester line to enter equipotential in live state
CN111934236A (en) * 2020-07-03 2020-11-13 中国电力科学研究院有限公司 Method for entering and exiting equipotential during live working of ultra-high voltage transmission line
CN112158781A (en) * 2020-09-16 2021-01-01 国家电网有限公司 Live working device based on motorized traction device and using method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102136693A (en) * 2010-12-28 2011-07-27 中国南方电网有限责任公司超高压输电公司百色局 Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail
JP2011259550A (en) * 2010-06-07 2011-12-22 Tokyo Electric Power Co Inc:The Hanging sheave
CN102761078A (en) * 2012-07-20 2012-10-31 江苏省电力公司南京供电公司 Live-working method of high-temperature wires of power transmission lines
CN203690799U (en) * 2014-01-02 2014-07-02 国家电网公司 Device for replacing suspension angle tower insulator string in live state
CN104979776A (en) * 2015-07-10 2015-10-14 中国电力科学研究院 Method for entering equipotential level for tension support of UHV transmission line
CN108649481A (en) * 2018-04-25 2018-10-12 中国电力科学研究院有限公司 Transmission line of alternation current livewire work personnel's equipotential safe transfer method
CN108808544A (en) * 2018-06-01 2018-11-13 国网山东省电力公司青岛供电公司 Pass in and out forceful electric power field device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011259550A (en) * 2010-06-07 2011-12-22 Tokyo Electric Power Co Inc:The Hanging sheave
CN102136693A (en) * 2010-12-28 2011-07-27 中国南方电网有限责任公司超高压输电公司百色局 Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail
CN102761078A (en) * 2012-07-20 2012-10-31 江苏省电力公司南京供电公司 Live-working method of high-temperature wires of power transmission lines
CN203690799U (en) * 2014-01-02 2014-07-02 国家电网公司 Device for replacing suspension angle tower insulator string in live state
CN104979776A (en) * 2015-07-10 2015-10-14 中国电力科学研究院 Method for entering equipotential level for tension support of UHV transmission line
CN108649481A (en) * 2018-04-25 2018-10-12 中国电力科学研究院有限公司 Transmission line of alternation current livewire work personnel's equipotential safe transfer method
CN108808544A (en) * 2018-06-01 2018-11-13 国网山东省电力公司青岛供电公司 Pass in and out forceful electric power field device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110265914A (en) * 2019-06-13 2019-09-20 中国电力科学研究院有限公司 Electrification enters the compound equipotential device and method of cross-arm route of AC extra high voltage
CN110707595A (en) * 2019-09-18 2020-01-17 国网浙江省电力有限公司金华供电公司 Safety method for lightning arrester line to enter equipotential in live state
CN110707595B (en) * 2019-09-18 2020-10-27 国网浙江省电力有限公司金华供电公司 Safety method for lightning arrester line to enter equipotential in live state
CN111934236A (en) * 2020-07-03 2020-11-13 中国电力科学研究院有限公司 Method for entering and exiting equipotential during live working of ultra-high voltage transmission line
CN112158781A (en) * 2020-09-16 2021-01-01 国家电网有限公司 Live working device based on motorized traction device and using method
CN112158781B (en) * 2020-09-16 2022-04-01 国家电网有限公司 Live working device based on motorized traction device and using method

Similar Documents

Publication Publication Date Title
CN109802329A (en) Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods
EP3047577B1 (en) Methods for enhanced power delivery to tower-mounted and other remotely-mounted remote radio heads and related systems and power cables
CN101277002B (en) Method for construction of charged assembling 10kV bi-gyrus distribution line concrete lever
CN204832624U (en) ADSS optical cable gold utensil cluster for power transmission sequence is maked somebody a mere figurehead to high pressure and connection structure thereof
CN102623926A (en) Distant equipotential tackle and method for realizing charged equipotential access by using same
CN207834943U (en) A kind of device of 10 kilovolts of overhead transmission line charged for replacement cross-arms and insulator
CN105226574A (en) Cable laying method and lay part
CN102136693A (en) Method and device for realizing long-distance equal electric potential access of winch hanging basket guide rail
CN105060123A (en) Travelling crane suspending device and method for valve tower
CN101958519A (en) Method for transforming tangent tower of double-circuit double-bundle transmission lines by lifting in electrified mode in another place
CN105514867A (en) Method for replacing V-shaped insulator string of power transmission line pole
CN1332870C (en) Method for preventing swinging of beam hanging and steel plate during starting and braking of electromagnetic beam hanging crane
CN102110499A (en) Method for manufacturing super multi-core cable of super high-speed elevator
CN105155907A (en) Strain tower
CN109061358B (en) Method and system for testing single-phase instantaneous grounding short circuit of power transmission line
US20230162888A1 (en) Cable for distributing network power and data
CN101888069A (en) Operational method for supporting 10kV-lead wire of aerial lift device with insulating arm
CN104314352A (en) Compact composite material power transmission line tower
CN201408937Y (en) Wire lifting device for crane
CN208717948U (en) Comprehensive pipe gallery structure
CN103147617B (en) The steel pipe pole that transmission pressure is buried can be realized
KR101322476B1 (en) Classification of used aluminum wire from used overhead conductor
CN202395384U (en) Operation tool for multiloop of 110-220kV electric transmission line
CN105449612A (en) A conductive wire insulation support plate apparatus
CN108675134B (en) Bridge precast beam field rail type gantry crane overhead slide wire power supply method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
TA01 Transfer of patent application right

Effective date of registration: 20200831

Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Applicant after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd.

Applicant after: STATE GRID SHAANXI ELECTRIC POWER Co.

Applicant after: ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID SHAANXI ELECTRIC POWER Co.,Ltd.

Applicant after: STATE GRID CORPORATION OF CHINA

Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Applicant before: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd.

Applicant before: STATE GRID SHAANXI ELECTRIC POWER Co.

Applicant before: STATE GRID CORPORATION OF CHINA

TA01 Transfer of patent application right
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190524

RJ01 Rejection of invention patent application after publication