CN204424804U - Equipotential changes the instrument of the two soft bus strain insulator of simply connected - Google Patents

Equipotential changes the instrument of the two soft bus strain insulator of simply connected Download PDF

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Publication number
CN204424804U
CN204424804U CN201520140388.5U CN201520140388U CN204424804U CN 204424804 U CN204424804 U CN 204424804U CN 201520140388 U CN201520140388 U CN 201520140388U CN 204424804 U CN204424804 U CN 204424804U
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CN
China
Prior art keywords
soft bus
card
bottle
simply connected
strain insulator
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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.)
Expired - Fee Related
Application number
CN201520140388.5U
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Chinese (zh)
Inventor
朱建军
张运库
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
Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520140388.5U priority Critical patent/CN204424804U/en
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Publication of CN204424804U publication Critical patent/CN204424804U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of equipotential changes the instrument of the two soft bus strain insulator of simply connected, relate to electric power overhaul technical field, front card is connected through insulation pulling plate with rear card, drag bottle stand respectively with front card, after link and connect, front card is provided with fixing yoke plate bayonet socket, also be provided with and place right angle link plate bolt U-type groove, rear card is provided with vertical U-type draw-in groove, horizontally U-shaped draw-in groove, and safeguard assembly, wing nut are fixed link string; Screw component, the left and right screw mandrel that revolves are connected with insulation pulling plate, and insulation pulling plate locking pin is fixed insulation pulling plate; Bottle-holding rack locking pin is fastening to bottle-holding rack, front card is established bulb pin, and pellet, spring, plug screw are to bulb pin location, and link string is by two link connections in tandem.The utility model adopts yoke plate and right angle link plate to be connected with two soft bus, opposite side structure link in tandem is connected with door frame, and its profile, function and place are all different from existing instrument, more can change jobs under equipotential condition to the two soft bus-bar insulator of simply connected, structure is simple, workable.

Description

Equipotential changes the instrument of the two soft bus strain insulator of simply connected
Technical field
The utility model relates to electric power overhaul technical field, and especially a kind of equipotential changes the instrument of the two soft bus strain insulator of simply connected.
Background technology
In prior art, the instrument changing simply connected strain insulator has two kinds, is that the strain insulator be applied on transformer station's intercoil connection changes instrument respectively, and is applied in the simply connected strain insulator electrification replacing tool on 110kV transmission line.Wherein, the former can not meet equal potential working condition, and the replacing of insulator must complete under equipment power down mode; And the latter can only carry out hotline maintenance on the simply connected strain insulator of 110kV transmission line, insulator cannot be changed on the two soft bus of transformer station.And, both all cannot meet the two soft bus field apparatus situation of transformer station's simply connected, its forward and backward card can not realize fixing the two soft bus strain insulator string two ends of simply connected, thus insulator string cannot be made to be in relaxed state, also just can not carry out more changing jobs of insulator.
In transformer station, there is a large amount of 110kV, 220kV bus to adopt the two soft bus connection type of simply connected (the fastening two soft form of bus bars of simply connected strain insulator string), deterioration (low null value) is inevitably there is or flashover occurs in insulator in long-time running, thus affect the safe operation of bus, therefore must change the insulator of deterioration or flashover in time.Due to the deficiencies in the prior art, generally take the mode of interruption maintenance insulator in power industry, also do not implement the precedent that equipotential changes the two soft bus-bar insulator of simply connected, tracing it to its cause is lack corresponding insulator clamp apparatus.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model provides a kind of equipotential to change the instrument of the two soft bus strain insulator of simply connected, with the needs of the hotline maintenance of the two soft bus strain insulator of the simply connected realizing 220 kV and following electric pressure.
For achieving the above object, simply connected strain insulator string one end of the present utility model is connected with two soft bus through yoke plate, right angle link plate; The other end is connected with transformer station door frame through link string, it is characterized in that: front card and rear cartoon are crossed two insulation pulling plates and be connected, carrying simply connected strain insulator string drag bottle stand one end through bottle supporting ring assemblies with before link and connect, the other end through bottle-holding rack fixation kit and after link and connect; Before described, card is provided with the bayonet socket of fixing yoke plate, front card is also provided with the U-type groove of placing right angle link plate and bolt.
Described rear card is provided with vertical U-type draw-in groove, the horizontally U-shaped draw-in groove of fixing link string, and safeguard assembly, wing nut are fixed link string; Screw component, the left and right screw mandrel that revolves are connected with insulation pulling plate through insulation pulling plate fixing port, and insulation pulling plate locking pin is fixed insulation pulling plate; The bottle-holding rack locking pin of bottle-holding rack fixation kit is fastening to bottle-holding rack.
Described insulation pulling plate one end is provided with rear card connecting hole one, and the other end is provided with multiple front card connecting hole.
Described bottle-holding rack is connected through interval adjustable plate by two cylindrical insulating rods, and cylindrical insulating rod one end is provided with rear card connecting hole two.
Before described, card is provided with the through hole connecting insulation pulling plate and the bulb pin of locking it, and pellet, spring, plug screw are to the screens of bulb pin.
Described link string is by two link connections in tandem.
Described two soft bus is connected with simply connected strain insulator string through yoke plate, right angle link plate and hydraulic strain clamp.
Soft bus interval wire clamp is provided with between described two soft bus.
Compared with prior art, the utility model is all different from existing instrument of the same type from profile, function and aspect, field of employment, achieve more changing jobs to the two soft bus-bar insulator of simply connected under equipotential condition, the utility model mainly achieves the effect of following three aspects:
Effect one: realize the replacing operation to the two soft bus-bar insulator of simply connected under equipotential condition, solve the difficult problem that must cause bus power failure when changing insulator, reduce bus grid switching operation program, alleviate the labour intensity of operating personnel, operating efficiency is improved, and ensures power supply reliability and maintenance benefit.
Effect two: it is fixing that front card achieves the two soft bus strain insulator string bus end yoke plate of simply connected, wherein, the key position such as the bayonet socket of card, U-type groove, bottle supporting ring and through hole is reasonable in design, matches and fixed with field apparatus.
Effect three: rear card achieves fixing the two soft bus strain insulator string door frame end link string of simply connected, the vertical U-type draw-in groove wherein blocked afterwards, horizontally U-shaped draw-in groove, the key positions such as safeguard assembly, wing nut and link String matching rationally, realize fixing the firm of link string.
The utility model structure is simple, easy to use, workable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is using state schematic diagram of the present utility model.
Fig. 3 is front card structure schematic diagram of the present utility model.
Fig. 4 is the end view of Fig. 3.
Fig. 5 is the vertical view of Fig. 3.
Fig. 6 is rear card structure schematic diagram of the present utility model.
Fig. 7 is the upward view of Fig. 6.
Fig. 8 is insulation pulling plate structural representation of the present utility model.
Fig. 9 is bottle-holding rack structural representation of the present utility model.
In figure, 1, front card, 2, rear card, 3, insulation pulling plate, 4, bottle-holding rack, 5, transformer station's door frame, 6, link, 7, link string, 8, simply connected strain insulator string, 9, yoke plate, 10, right angle link plate, 11, two soft bus, 12, hydraulic strain clamp, 13, soft bus interval wire clamp, 14, bayonet socket, 15, U-type groove, 16, bottle supporting ring assemblies, 17, pellet, 18, spring, 19, plug screw, 20, bulb pin, 21, through hole, 22, vertical U-type draw-in groove, 23, horizontally U-shaped draw-in groove, 24, safeguard assembly, 25, wing nut, 26, screw component, 27, left, dextrorotation screw mandrel, 28, insulation pulling plate fixing port, 29, insulation pulling plate locking pin, 30, bottle-holding rack fixation kit, 31, bottle-holding rack locking pin, 32, rear card connecting hole one, 33, front card connecting hole, 34, rear card connecting hole two, 35, cylindrical insulating rod, 36, interval adjustable plate.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, simply connected strain insulator string 8 one end is connected with two soft bus 11 through LV-0712 type yoke plate 9, Z-10 type right angle link plate 10; The other end is connected with transformer station door frame 5 through U-10 type link string 7, front card 1 is connected by two insulation pulling plates 3 with rear card 2, bottle stand 4 one end of dragging of carrying simply connected strain insulator string 8 is connected with front card 1 through bottle supporting ring assemblies 16, the other end through bottle-holding rack fixation kit 30 with after block 2 and be connected; Bottle supporting ring assemblies 16, bottle-holding rack fixation kit 30 are contained on front card 1, rear card 2 respectively; Before described, card 1 is provided with the bayonet socket 14 of fixing yoke plate 9, front card 1 is also provided with the U-type groove 15 of placing right angle link plate 10 and bolt, for the bolt headspace on Z-10 type right angle link plate 10, to ensure that the bayonet socket 14 on front card 1 can be fixed LV-0712 type yoke plate 9.
Described link string 7 is by the connection in tandem of two Z-10 type links 6.
Described two soft bus 11 is connected with simply connected strain insulator string 8 through LV-0712 type yoke plate 9, Z-10 type right angle link plate 10 and hydraulic strain clamp 12.
Soft bus interval wire clamp 13 is provided with between described two soft bus 11.
Before described, card 1 is provided with the bulb pin 20 of locking insulation pulling plate 3, and pellet 17, spring 18, plug screw 19 pairs of bulb pins 20 are located, and prevent insulation pulling plate 3 from coming off from through hole 21.
As shown in Figure 6, Figure 7, described rear card 2 is provided with vertical U-type draw-in groove 22, the horizontally U-shaped draw-in groove 23 of fixing link string 7, wherein, vertical U-type draw-in groove 22 places first (door frame side) U-10 type link 6 of connection in tandem, and horizontally U-shaped draw-in groove 23 places second U-10 type link 6 of connection in tandem; Safeguard assembly 24, wing nut 25 are fixed with the use of to link string 7.
Screw component 26, the left and right screw mandrel 27 that revolves are connected with insulation pulling plate 3 through insulation pulling plate fixing port 28, the left and right screw mandrel 27 that revolves is by regulating screw mandrel, realize the control to front card 1, rear card 2 spacing, thus make simply connected strain insulator string 8 reach relaxed state or tighten up state.Its adjustable extent width is between 0-18cm.
Insulation pulling plate locking pin 29 pairs of insulation pulling plates 3 are fixed, and prevent insulation pulling plate 3 landing; The bottle-holding rack locking pin 31 of bottle-holding rack fixation kit 30 is connected with rear card connecting hole 2 34, fastening to bottle-holding rack 4.
Front card 1 of the present utility model, rear card 2 main part all adopt aluminum alloy materials manufacture (also can adopt titanium alloy material), and live load reaches 30KN, and dynamic test load reaches 30KN, can meet the maintenance requirement of the two soft bus equipment of transformer station's simply connected.
As shown in Figure 8, described insulation pulling plate 3 one end is provided with the rear card connecting hole 1 be connected with rear card insulation pulling plate fixing port 28; The other end is provided with multiple alternative front card connecting hole 33 and is connected with front cartoon hole 21, according to the length of simply connected strain insulator string 8 select on insulation pulling plate 3 suitable before card connecting hole 33, to adapt to the requirement of dissimilar simply connected strain insulator string 8.
As shown in Figure 9, described bottle-holding rack 4 is connected through interval adjustable plate 36 by two cylindrical insulating rods 35, the spacing of the adjustable cylindrical insulating rod 35 of interval adjustable plate 36, and spacing range, between 0-20cm, conveniently transports and keeping; Cylindrical insulating rod 35 one end is provided with rear card connecting hole 2 34, is connected with rear Kato bottle stand fixation kit 30, and fastening to it by bottle-holding rack locking pin 31; Cylindrical insulating rod 35 is made up of High Performance Insulation material, can bear larger mechanical load.
During use, the utility model carries out according to the following steps:
The first step: ground handling operator assembles front card 1, rear card 2 and insulation pulling plate 3, strict implement following steps are needed: 1, the through hole 21 of 1 left and right sides is blocked in one end of two insulation pulling plates 3 before being each passed through when assembling, according to the length of on-the-spot two soft bus insulation substring 8, select suitable front card connecting hole 33, and with bulb pin 20, insulation pulling plate 3 is locked.2, before rear card 2 and insulation pulling plate 3 are assembled, first adjust and left and rightly revolve screw mandrel 27, make the length of left and right screw mandrel be about the half of total length; Again the other end of two insulation pulling plates 3 is put into respectively the insulation pulling plate fixing port 28 on rear card 2, and insulation pulling plate locking pin 29 is locked.
Second step: ground handling operator, by being arranged on transformer station's door frame 5 and two soft bus 11 liang of coasters located, draws 3 plates to pass to the equal potential working personnel on two soft bus 11 and the earth potential working personnel on transformer station's door frame 5 with insulation ropes by assembling front card 1, rear card 2 and insulation.
3rd step: the bayonet socket 14 of front card 1 is stuck on the edge of the LV-0712 type yoke plate 9 between two Z-10 type right angle link plates 10 by equal potential working personnel, side by side the vertical U-type draw-in groove 22 on rear card 2 and horizontally U-shaped draw-in groove 23 are inserted on two U-10 type link strings 7 be connected in tandem of door frame side by current potential operating personnel respectively, cover safeguard assembly 24, and with wing nut 25 by fastening firm for U-10 type link string 7.
4th step: bottle-holding rack 4 is passed to equal potential working personnel and earth potential working personnel by ground handling operator, before first one end of bottle-holding rack 4 being put into respectively by equal potential working personnel in card 1 two bottle supporting ring assemblies 16, by earth potential working personnel, card connecting hole 2 34 after bottle-holding rack 4 is inserted rear Kato bottle stand fixation kit 30 respectively again, and fastening with bottle-holding rack locking pin 31.
5th step: after instrument installs, earth potential working personnel regulate that rear card is left and right revolves screw mandrel 27, until simply connected strain insulator string 8 is in complete relaxed state, bottle-holding rack 4 bears the total weight of insulator string.
6th step: according to bus-bar insulator deterioration or the degree of flashover, take two kinds of modes to change insulator: 1, whole string is changed: by equipotential personnel and earth potential personnel cooperatively interact pull down bunch of insulator string after passed younger brother to ground by two ends coaster, new insulator string is passed to equipotential and earth potential working personnel by ground handling operator again, realizes the replacing of bunch of insulator.2, part is changed: being taken by equal potential working personnel or earth potential working personnel needs the insulator changed to change it.
7th step: after replacing insulator end-of-job, is regulated by earth potential working person that rear card is left and right revolves screw mandrel 27, recovers the original stress of insulator string.
8th step: remove front card 1, rear card 2, insulation pulling plate 3 and bottle-holding rack 4, dismounting order is contrary with installation process.
9th step: after instrument is removed completely, be passed to ground by insulation ropes.Earth potential working personnel and equal potential working personnel depart from bus equipment and get back to ground, and everything goes well with your work completes for replacing insulator.

Claims (8)

1. equipotential changes an instrument for the two soft bus strain insulator of simply connected, and simply connected strain insulator string (8) one end is connected with two soft bus (11) through yoke plate (9), right angle link plate (10); The other end is connected with transformer station's door frame (5) through link string (7), it is characterized in that: front card (1) is connected by two insulation pulling plates (3) with rear card (2), carrying simply connected strain insulator string (8) bottle stand (4) one end of dragging be connected with front card (1) through bottle supporting ring assemblies (16), the other end through bottle-holding rack fixation kit (30) with after card (2) be connected; Before described, card (1) is provided with the bayonet socket (14) of fixing yoke plate (9), front card (1) is also provided with the U-type groove (15) of placing right angle link plate (10) and bolt.
2. equipotential according to claim 1 changes the instrument of the two soft bus strain insulator of simply connected, it is characterized in that: described rear card (2) is provided with vertical U-type draw-in groove (22), the horizontally U-shaped draw-in groove (23) of fixing link string (7), safeguard assembly (24), wing nut (25) are fixed link string (7); Screw component (26), the left and right screw mandrel (27) that revolves are connected with insulation pulling plate (3) through insulation pulling plate fixing port (28), and insulation pulling plate locking pin (29) is fixed insulation pulling plate (3); The bottle-holding rack locking pin (31) of bottle-holding rack fixation kit (30) is fastening to bottle-holding rack (4).
3. equipotential according to claim 1 changes the instrument of the two soft bus strain insulator of simply connected, and it is characterized in that: described insulation pulling plate (3) one end is provided with rear card connecting hole one (32), the other end is provided with multiple front card connecting hole (33).
4. equipotential according to claim 1 changes the instrument of the two soft bus strain insulator of simply connected, it is characterized in that: described bottle-holding rack (4) is connected through interval adjustable plate (36) by two cylindrical insulating rods (35), and cylindrical insulating rod (35) one end is provided with rear card connecting hole two (34).
5. equipotential according to claim 1 changes the instrument of the two soft bus strain insulator of simply connected, it is characterized in that: before described, card (1) is provided with the through hole (21) connecting insulation pulling plate (3) and the bulb pin (20) of locking it, and pellet (17), spring (18), plug screw (19) are to bulb pin (20) screens.
6. equipotential according to claim 1 changes the instrument of the two soft bus strain insulator of simply connected, it is characterized in that: described link string (7) is by the connection in tandem of two links (6).
7. equipotential according to claim 1 changes the instrument of the two soft bus strain insulator of simply connected, it is characterized in that: described two soft bus (11) is connected with simply connected strain insulator string (8) through yoke plate (9), right angle link plate (10) and hydraulic strain clamp (12).
8. equipotential according to claim 1 changes the instrument of the two soft bus strain insulator of simply connected, it is characterized in that: be provided with soft bus interval wire clamp (13) between described two soft bus (11).
CN201520140388.5U 2015-03-12 2015-03-12 Equipotential changes the instrument of the two soft bus strain insulator of simply connected Expired - Fee Related CN204424804U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106033872A (en) * 2015-03-12 2016-10-19 国家电网公司 Tool for equipotential replacement of single-joint double-flexible bus tension insulator
CN107611850A (en) * 2016-04-26 2018-01-19 江苏省电力公司常州供电公司 Portable charged for replacement 35kV strain insulator string specific purpose tools
CN108711778A (en) * 2018-05-25 2018-10-26 国网河南省电力公司检修公司 Six strain insulator of 550kN grades replaces tool and method
CN111181078A (en) * 2020-03-12 2020-05-19 广东电网有限责任公司 35KV strain insulator string replacing device and operation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106033872A (en) * 2015-03-12 2016-10-19 国家电网公司 Tool for equipotential replacement of single-joint double-flexible bus tension insulator
CN106033872B (en) * 2015-03-12 2018-04-10 国家电网公司 Equipotential changes the instrument of the double soft bus strain insulators of simply connected
CN107611850A (en) * 2016-04-26 2018-01-19 江苏省电力公司常州供电公司 Portable charged for replacement 35kV strain insulator string specific purpose tools
CN108711778A (en) * 2018-05-25 2018-10-26 国网河南省电力公司检修公司 Six strain insulator of 550kN grades replaces tool and method
CN111181078A (en) * 2020-03-12 2020-05-19 广东电网有限责任公司 35KV strain insulator string replacing device and operation method thereof
CN111181078B (en) * 2020-03-12 2021-09-10 广东电网有限责任公司 35KV strain insulator string replacing device and operation method thereof
WO2021179580A1 (en) * 2020-03-12 2021-09-16 广东电网有限责任公司清远供电局 35kv strain insulator string replacement device and operating method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150624

Termination date: 20180312

CF01 Termination of patent right due to non-payment of annual fee