CN202394787U - +/- 800 kV DC valve hall grounding switch - Google Patents

+/- 800 kV DC valve hall grounding switch Download PDF

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Publication number
CN202394787U
CN202394787U CN2011204393162U CN201120439316U CN202394787U CN 202394787 U CN202394787 U CN 202394787U CN 2011204393162 U CN2011204393162 U CN 2011204393162U CN 201120439316 U CN201120439316 U CN 201120439316U CN 202394787 U CN202394787 U CN 202394787U
Authority
CN
China
Prior art keywords
transmission
knife bar
ground connection
earthed switch
valve room
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.)
Expired - Lifetime
Application number
CN2011204393162U
Other languages
Chinese (zh)
Inventor
司小伟
梁静林
王宇驰
李卫党
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.)
China XD Electric Co Ltd
Original Assignee
China XD Electric 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 China XD Electric Co Ltd filed Critical China XD Electric Co Ltd
Priority to CN2011204393162U priority Critical patent/CN202394787U/en
Application granted granted Critical
Publication of CN202394787U publication Critical patent/CN202394787U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a +/- 800 kV DC valve hall grounding switch, which is characterized by comprising an installation pedestal, a first transmission apparatus, a grounding knife bar and a transmission connecting lever. The installation pedestal and the first transmission apparatus are arranged on the side wall of the valve hall; one end of the grounding knife bar is hinged to the installation pedestal, and the other end is provided with a moving contact; and one end of the transmission connecting lever is hinged to the central section of the knife bar, and the other end is connected to the first transmission apparatus. A transmission connecting lever driving the grounding knife bar to move up and down is in a folding form, which effectively provides a bearing point for the grounding conducting rod to rotate, the folding of the connecting lever guarantees the correct splitting and integrating of the grounding knife bar, the moving contact on the grounding knife bar is vertical to the grounding knife bar, which guarantees that the moving contact can be conveniently inserted into the static contact, and the splitting and integrating is correctly realized. According to the utility model, the structure is simple and compact, the operation is convenient, the reliability of long-term usage is high, and he comprehensive properties are excellent.

Description

A kind of ± 800kV straight-wavy valve Room earthed switch
[technical field]
The utility model relates to the dc power transmission equipment field, relates in particular to a kind of ± 800kV straight-wavy valve Room earthed switch.
[background technology]
Along with our national rapid development of national economy, increasing to the demand of electricity consumption, because the decision of domestic energy layout structure, trans-regional remote jumbo DC power transmission line begins a large amount of construction, and is more and more to the direct current transportation device requirement.Domestic power consumer urgently hope domestic manufacturer can develop advantages of small volume, dependability simple in structure, easy to operate, long-term high ± 800kV straight-wavy valve Room earthed switch.
[utility model content]
The purpose of the utility model is to provide a kind of ± 800kV straight-wavy valve Room earthed switch is to solve the problems of the technologies described above.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of ± 800kV straight-wavy valve Room earthed switch, it is characterized in that, comprise mounting seat, first transmission device, ground connection knife bar and transmission crank arm; Said mounting seat, first transmission device are installed on the sidewall of the valve Room; The hinged mounting seat of ground connection knife bar one end, the other end is provided with moving contact; The hinged ground connection knife bar of said transmission crank arm one end middle part, the other end connects said first transmission device.
On the said mounting seat bascule is installed.
Transmission crank arm is the folding-jib transmission crank arm.
Said earthed switch also comprises second transmission device, operating mechanism, first vertical links and second vertical links; Said second transmission device is installed on the sidewall of the valve Room, and operating mechanism connects second transmission device through first vertical links, and second transmission device connects first transmission device through second vertical links.
Said earthed switch also comprises the shielding ball, is provided with the ground connection fixed contact in the shielding ball; Closing position, the moving contact of ground connection knife bar electrically connects the ground connection fixed contact.
The ground connection knife bar is vertical with moving contact to be provided with.
With respect to prior art, the utlity model has following advantage: the transmission crank arm that drive ground connection knife bar moves up and down is a folding-jib, has effectively solved the stress point of ground connection conducting rod rotation, folding correct deciliter of the ground connection knife bar that guaranteed of connecting lever; Moving contact on the ground connection knife bar and ground connection knife bar are dressed up 90 ° of angles, have guaranteed that moving contact inserts fixed contact easily, accurately realize deciliter; The utility model earthed switch dependability simple and compact for structure, easy to operate, long-term is high, combination property is better.
[description of drawings]
Fig. 1 is the side schematic view of the utility model ± 800kV straight-wavy valve Room earthed switch;
Fig. 2 is the front view of the utility model ± 800kV straight-wavy valve Room earthed switch;
Fig. 3 is the utility model ± 800kV straight-wavy valve Room earthed switch mounting seat 2 and bascule 1 sketch map;
Fig. 4 is the utility model ± 800kV straight-wavy valve Room earthed switch transmission crank arm 9 structural representations;
Fig. 5 is the ground connection knife bar sketch map of the utility model ± 800kV straight-wavy valve Room earthed switch;
Fig. 6 is the drive system sketch map of the utility model ± 800kV straight-wavy valve Room earthed switch;
Fig. 7 is the utility model ± 800kV straight-wavy valve Room earthed switch gate-dividing state sketch map.
[embodiment]
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Extremely shown in Figure 7 referring to Fig. 1; The utility model is a kind of ± 800kV straight-wavy valve Room earthed switch, and comprise mounting seat 2, bascule 1, ground connection knife bar 6, operating mechanism 5, first transmission device 3, second transmission device 4, transmission crank arm 9 and be installed on the ground connection fixed contact 7 in the shielding ball 8 of outlet cannula tip.
Referring to Fig. 1 and shown in Figure 3, mounting seat 2 sides are loaded on valve Room wall, and bascule 1 is installed in above the mounting seat 2, and bascule 1 is used for moving up and down of balance ground connection knife bar 6 centers of gravity, to reduce operating physical force;
Ground connection knife bar 6 one ends are fixed on the mounting seat 2, can do 90 ° of rotations around mounting seat 2; Moving contact 60 on the ground connection knife bar 6 is dressed up 90 ° of angles with ground connection knife bar 6, has guaranteed that moving contact 60 inserts fixed contact 7 easily, accurately realizes deciliter.
Consult Fig. 1 to shown in Figure 4; The hinged ground connection knife bar of transmission crank arm 9 one ends 6 centre positions, the other end is connected with first transmission device 3; The transmission crank arm 9 that drive ground connection knife bar 6 moves up and down is folding-jib, has effectively solved the stress point of ground connection knife bar 6 rotations, the folding ground connection knife bar 6 correct deciliters that guaranteed of connecting lever.
Second transmission device 4 is connected with first transmission device 3 through second vertical links 20 among Fig. 6; Second transmission device 4 is connected with operating mechanism 5 through first vertical links 10 among Fig. 6.In second transmission device 4 a pair of worm gear is housed, the little connecting lever of worm gear drives on it rotates first transmission device 3, is grounded the action of knife bar 6 through transmission crank arm 9; Operating mechanism 5 has been realized the control to ground connection knife bar 6 through this drive system.
Close a floodgate: close a floodgate before the beginning, earthed switch is in Fig. 7 state, after sending the order of closing a floodgate; Operating mechanism 5 prolongs the clockwise direction rotation; Through first vertical links 10 among Fig. 6 and second transmission device 4 second vertical links 20 is moved upward, second vertical links 20 is upwards done transmission crank arm 9 through first transmission device 3 and is rotated counterclockwise, simultaneously to straight stretching, extension; Promoting ground connection knife bar 6 is rotated counterclockwise; Finally let ground connection knife bar 6 moving contacts 60 insert in the fixed contact 7 in Fig. 1 middle sleeve top shielding ball 8, realize closing a floodgate, see Fig. 1.
The separating brake process in contrast.
This product structure compact, easy to operate, long-term dependability are high, combination property is better.
Above content is the further explain to the utility model ± 800kV straight-wavy valve Room earthed switch is done; Those of ordinary skill for technical field under the utility model; Under the prerequisite that does not break away from the utility model design; Can also make some simple deduction or replace, all should be regarded as belonging in the scope of patent protection that claims that the utility model submits to confirm.

Claims (6)

1. one kind ± 800kV straight-wavy valve Room earthed switch is characterized in that, comprises mounting seat (2), first transmission device (3), ground connection knife bar (6) and transmission crank arm (9); Said mounting seat (2), first transmission device (3) are installed on the sidewall of the valve Room; The ground connection knife bar hinged mounting seat of (6) one ends (2), the other end are provided with moving contact (60); The said transmission crank arm hinged ground connection knife bars of (9) one ends (6) middle part, the other end connects said first transmission device (3).
2. according to claim 1 a kind of ± 800kV straight-wavy valve Room earthed switch, it is characterized in that, bascule (1) is installed on the said mounting seat (2).
3. according to claim 1 a kind of ± 800kV straight-wavy valve Room earthed switch, it is characterized in that transmission crank arm (9) is the folding-jib transmission crank arm.
4. according to claim 1 a kind of ± 800kV straight-wavy valve Room earthed switch, it is characterized in that said earthed switch also comprises second transmission device (4), operating mechanism (5), first vertical links (10) and second vertical links (20); Said second transmission device (4) is installed on the sidewall of the valve Room, and operating mechanism (5) connects second transmission device (4) through first vertical links (10), and second transmission device (4) connects first transmission device (3) through second vertical links (20).
5. according to claim 1 a kind of ± 800kV straight-wavy valve Room earthed switch, it is characterized in that said earthed switch also comprises shielding ball (8), is provided with ground connection fixed contact (7) in shielding ball (8); Closing position, the moving contact (60) of ground connection knife bar (6) electrically connects ground connection fixed contact (7).
6. according to claim 1 a kind of ± 800kV straight-wavy valve Room earthed switch, it is characterized in that ground connection knife bar (6) and the vertical setting of moving contact (60).
CN2011204393162U 2011-11-08 2011-11-08 +/- 800 kV DC valve hall grounding switch Expired - Lifetime CN202394787U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204393162U CN202394787U (en) 2011-11-08 2011-11-08 +/- 800 kV DC valve hall grounding switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204393162U CN202394787U (en) 2011-11-08 2011-11-08 +/- 800 kV DC valve hall grounding switch

Publications (1)

Publication Number Publication Date
CN202394787U true CN202394787U (en) 2012-08-22

Family

ID=46669694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204393162U Expired - Lifetime CN202394787U (en) 2011-11-08 2011-11-08 +/- 800 kV DC valve hall grounding switch

Country Status (1)

Country Link
CN (1) CN202394787U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103617919A (en) * 2013-12-06 2014-03-05 山东泰开隔离开关有限公司 Grounding switch for high-end straight-way valve hall
CN106653459A (en) * 2017-02-18 2017-05-10 山东泰开隔离开关有限公司 Folding plug-in type valve hall grounding switch
US10064260B2 (en) 2013-11-05 2018-08-28 Abb Schweiz Ag Ground system for high voltage semiconductor valve
CN109119281A (en) * 2018-09-04 2019-01-01 湖南长高高压开关有限公司 A kind of folding-jib extra-high voltage direct-current valve hall earthing switch

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10064260B2 (en) 2013-11-05 2018-08-28 Abb Schweiz Ag Ground system for high voltage semiconductor valve
CN103617919A (en) * 2013-12-06 2014-03-05 山东泰开隔离开关有限公司 Grounding switch for high-end straight-way valve hall
CN103617919B (en) * 2013-12-06 2016-05-25 山东泰开隔离开关有限公司 A kind of high-end straight-wavy valve Room earthed switch
CN106653459A (en) * 2017-02-18 2017-05-10 山东泰开隔离开关有限公司 Folding plug-in type valve hall grounding switch
CN109119281A (en) * 2018-09-04 2019-01-01 湖南长高高压开关有限公司 A kind of folding-jib extra-high voltage direct-current valve hall earthing switch
CN109119281B (en) * 2018-09-04 2020-08-18 湖南长高高压开关有限公司 Folding arm type grounding switch of ultra-high voltage direct current valve hall

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GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120822