CN203588911U - Grounding switch applied to low end direct current valve hall - Google Patents
Grounding switch applied to low end direct current valve hall Download PDFInfo
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- CN203588911U CN203588911U CN201320795527.9U CN201320795527U CN203588911U CN 203588911 U CN203588911 U CN 203588911U CN 201320795527 U CN201320795527 U CN 201320795527U CN 203588911 U CN203588911 U CN 203588911U
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- conducting rod
- bevel gear
- connecting lever
- switch
- valve room
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Abstract
The utility model discloses a grounding switch applied to a low end direct current valve hall, and relates to the field of direct current transmission and transformation equipment. According to the utility model, a grounding conductive rod is formed by welding two parts of a thick tube and a thin tube together; the weight is effectively reduced; mechanism operation is convenient; a switch chassis and a steering bracket are fixedly connected with the wall of the valve hall through adjusting screws; the angle and the distance from the wall can be freely adjusted; a dynamic contact and a contact seat are in sliding structure; the position of the dynamic contact on the grounding conductive rod can be freely adjusted; a first crank arm end face of a conductive rod rotating device in a zigzag long hole structure; free adjusting can be carried out when installation is carried out; field switch debugging is convenient; the operation forces of closing and opening are moderate; a movement process is stable and reliable; and the service life of the grounding switch is prolonged.
Description
Technical field
The utility model relates to DC power transmission equipment field, specifically a kind of low side straight-wavy valve Room earthed switch.
Background technology
Along with the economic sustained and rapid development of China, power consumption keeps rapid growth, in order to meet the development of following national economy, will add the construction of great development superhigh pressure and extra-high voltage direct-current transmission.The advantages such as it is far away that direct current transportation has transmission distance, and adjusting function is good, overvoltage level is low, line loss is little, are applicable to the occasions such as remote high-power transmission of electricity, interval Power System Interconnection peak regulation, extra large cable transmission of electricity.
Key equipment as direct current transportation, the fail safe that is arranged on equipment in the valve Room of converter valve is most important, in the valve Room, earthed switch is the important component part of high voltage direct current transmission project, being the safety guarantee that in the valve Room, other direct current transportation equipment overhauls, is one of key equipment of ultra-high voltage converter station DC fields design arrangement.And switchgear in the valve Room due to the area constraints in the valve Room, for switchgear, must reduce its floor space, so the earthed switch in the valve Room can not use general earthed switch version as far as possible.Earthed switch as disclosed in Chinese patent CN 202352576U " a kind of ± 400kv straight-wavy valve Room earthed switch " for the existing straight-wavy valve Room.The problem that existing this earthed switch exists is: earthed switch conducting rod is longer, dead weight is large, operating mechanism is during to the actuating of ground connection conducting rod, need to overcome the gravitational moment of ground connection conducting rod itself, required operating physical force is larger, this just make ground connection conducting rod minute, making process is steady not, easily occurs the situation of ground connection conducting rod fracture; And assembling and setting difficulty, especially dynamic/static contact engagement is unstable.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of low side straight-wavy valve Room earthed switch, and breaking-closing operating process is steady, effectively protective earthing conducting rod.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of low side straight-wavy valve Room earthed switch, comprise switch underframe and conducting rod tumbler, counter weight device, ground connection conducting rod, operating mechanism and static contact head device, described switch underframe and conducting rod tumbler are fixedly installed on the metope of the valve Room, described counter weight device is connected with conducting rod tumbler, described ground connection conducting rod one end is connected with the rotating shaft of conducting rod tumbler, the other end connects trigger device, described operating mechanism is connected with conducting rod tumbler by transmission mechanism, drive conducting rod to rotate and trigger device accessed to static contact head device and close a floodgate, described switch underframe is by bolt and adjusting screw(rod) and valve Room wall connecting, described ground connection conducting rod is by extra heavy pipe and tubule two parts are supporting is welded to form, the contact base of described trigger device is set on ground connection conducting rod, to slide and to fix, described conducting rod tumbler comprises the first power transmission shaft and the first connecting lever, described the first power transmission shaft is installed on switch underframe, one end is connected with the first connecting lever, the other end is connected with the bevel gear of counter weight device, described the first connecting lever end face adopts zigzag slotted hole.
Described transmission mechanism comprises the first drive link, the second drive link and transfer, described first drive link one end is connected with operating mechanism, the other end is connected with transfer, and described second drive link one end is connected with conducting rod tumbler, the other end is connected with transfer.
Described transfer is by turning rack, horizontal bevel gear, vertical bevel gear, second driving shaft and the second connecting lever, described turning rack is fixedly installed on the metope of the valve Room, described horizontal bevel gear, vertically bevel gear vertically connects, described second driving shaft is fixed on turning rack, described second driving shaft one end is connected with the second connecting lever, the other end is connected with vertical bevel gear, described horizontal bevel gear is fixedly installed on the lower end of turning rack, described first drive link one end is connected with operating mechanism, the other end is connected with horizontal bevel gear, described second drive link one end is connected with the first connecting lever, the other end is connected with the second connecting lever.
Described turning rack is connected with valve Room metope with adjusting screw(rod) by bolt.
Described static contact head device comprises mounting panel, fingertip, holddown spring and horn cover, described mounting panel is connected with valve Room bus gold utensil, described fingertip is arranged at the lower end of mounting panel, described holddown spring is arranged on fingertip, and described horn cover is fixed on mounting panel top and covers mounting panel, fingertip and holddown spring.
Also comprise bolster, described bolster and operating mechanism are adjacent, are fixedly installed on the metope of the valve Room.
Ground connection conducting rod of the present utility model adopts extra heavy pipe and tubule two parts to be welded to form, and effectively alleviates deadweight, and mechanism operation is lighter; Switch underframe all adopts adjusting screw(rod) to be fixedly connected with valve Room metope with turning rack, angle and with the distance of metope can free adjustment; The contact base of moving contact adopts slidably structure, and the position of moving contact on ground connection conducting rod can free adjustment; The first connecting lever end face of conducting rod tumbler adopts zigzag slotted hole structure, can free adjustment during installation, facilitate on-the-spot switch debugging, and the operating physical force of having realized divide-shut brake is moderate, and motion process is steadily reliable, has extended the useful life of earthed switch.
Accompanying drawing explanation
Fig. 1 is "on" position structural representation of the present utility model;
Fig. 2 is the local enlarged diagram that in Fig. 1, dynamic/static contact closes a floodgate;
Fig. 3 is the end view of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
As Figure 1-3, this low side straight-wavy valve Room earthed switch, comprise switch underframe 1 and conducting rod tumbler 2, counter weight device 3, ground connection conducting rod 4, operating mechanism 5 and static contact head device 6, described switch underframe 1 and conducting rod tumbler 2 are fixedly installed on the metope of the valve Room, described counter weight device 3 is connected with conducting rod tumbler 2, described ground connection conducting rod 4 one end are connected with the rotating shaft of conducting rod tumbler 2, the other end connects trigger device 7, described operating mechanism 5 is connected with conducting rod tumbler 2 by transmission mechanism 8, drive conducting rod to rotate and trigger device 7 access static contact head devices 6 are closed a floodgate.
Described switch underframe 1, by bolt and adjusting screw(rod) 11 and valve Room wall connecting, is first arranged on metope relevant position, the valve Room according to actual requirement by adjusting bolt 11 during installation, then with bolt, switch underframe 1 is fastening good.Switch underframe 1 both sides ledge is installed grading ring, reduces radio interference to meet the electric field requirement of equipment in the valve Room.
Described ground connection conducting rod 4 comprises conducting bracket and contact tube, and conducting bracket is arranged on the power transmission shaft of described conducting rod tumbler 2, and contact tube is by extra heavy pipe and tubule two parts are supporting is welded to form, and effectively reduces deadweight.
The contact base 71 of described trigger device 7 is set on ground connection conducting rod 4, to horizontally slip and to fix, and makes the position of moving contact on ground connection conducting rod 4 can free adjustment, is adjusted to behind optimum position by jackscrew and bolted.
Described conducting rod tumbler 2 comprises the first power transmission shaft 21 and the first connecting lever 22, described the first power transmission shaft 21 is installed on switch underframe 1, one end is connected with the first connecting lever 22, the other end is connected with the bevel gear of counter weight device 3, described the first connecting lever 22 end faces adopt zigzag slotted hole, can free adjustment during installation, facilitate on-the-spot switch debugging.Described counter weight device 3 comprises gear support, bevel-gear sett, weight linear meter and balancing weight.
As preferred mode, transmission mechanism described in the present embodiment 8 comprises the first drive link 81, the second drive link 82 and transfer 83, described first drive link 81 one end are connected with operating mechanism 5, the other end is connected with transfer 83, and described second drive link 82 one end are connected with conducting rod tumbler 2, the other end is connected with transfer 83.
As preferred mode, transfer described in the present embodiment 83 is by turning rack 831, horizontal bevel gear 832, vertical bevel gear 833, second driving shaft 834 and the second connecting lever 835, described turning rack 831 is fixedly installed on the metope of the valve Room, described horizontal bevel gear 832, vertically bevel gear 833 vertically connects, described second driving shaft 834 is fixed on turning rack 831, described second driving shaft 834 one end are connected with the second connecting lever 835, the other end is connected with vertical bevel gear 833, described horizontal bevel gear 832 is fixedly installed on the lower end of turning rack 831, described first drive link 81 one end are connected with operating mechanism 5, the other end is connected with horizontal bevel gear 832, described second drive link 82 one end are connected with the first connecting lever 22, the other end is connected with the second connecting lever 835.Described turning rack 831 is connected with valve Room metope with adjusting screw(rod) by bolt, and turning rack 831 can regulate by adjusting bolt with distance and the angle of valve Room body of wall.
As preferred mode, described static contact head device 6 comprises mounting panel 61, fingertip 62, holddown spring 63 and horn cover 64, described mounting panel 61 is connected with valve Room bus gold utensil, described fingertip 62 is arranged at the lower end of mounting panel 61, described holddown spring 63 is arranged on fingertip 62, described horn cover 64 is fixed on mounting panel 61 tops and covers mounting panel 61, fingertip 62 and holddown spring 63, plays guiding and reduce radio interference effect when divide-shut brake.
The utility model also comprises bolster 8, and described bolster 8 is adjacent with operating mechanism 5, is fixedly installed on the metope of the valve Room.Operating mechanism 5 adopts motor-operating mechanism, is the power source of ground connection conducting rod breaking-closing operating, and the impact that when bolster 8 can reduce separating brake, ground connection conducting rod is received guarantees the steadily reliable of breaking-closing operating.
During combined floodgate, operating mechanism 5 energisings drive the first drive link 81 horizontal directions to be rotated counterclockwise, by the first drive link 81, drive bevel-gear sett to rotate, due in 90 ° between bevel-gear sett, revolving force in horizontal direction is transformed in the direction perpendicular to valve Room metope, drive the second connecting lever 835 to rotate in the direction perpendicular to valve Room metope, the second connecting lever 835 drives the first connecting lever 22 to rotate up in the side perpendicular to valve Room metope by the second drive link 82 simultaneously.The first connecting lever 22 wherein one end with by the first power transmission shaft 21, be connected with a pair of vertically disposed bevel gear of counter weight device 3, the other end is connected with ground connection conducting rod 4.Due in 90 ° between bevel-gear sett, the revolving force on the vertical direction of the first connecting lever 22 is converted to the revolving force that is parallel to valve Room metope by bevel-gear sett.The gravity of counter weight device 3 is apart from direction and ground connection conducting rod 4 gravity apart from opposite direction like this, the gravity distance of coming 4 deadweights of balance ground connection conducting rod to produce by counter weight device 3.Ground connection conducting rod 4 moves upward in the side perpendicular to valve Room metope by the active force of the first connecting lever 22, finally the moving contact of trigger device 7 is squeezed in static contact head device 6, and making process completes.
Otherwise separating brake,, repeat no more here.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection range of the present utility model.
Claims (6)
1. a low side straight-wavy valve Room earthed switch, comprise switch underframe (1) and conducting rod tumbler (2), counter weight device (3), ground connection conducting rod (4), operating mechanism (5) and static contact head device (6), described switch underframe (1) and conducting rod tumbler (2) are fixedly installed on the metope of the valve Room, described counter weight device (3) is connected with conducting rod tumbler (2), described ground connection conducting rod (4) one end is connected with conducting rod tumbler (2), the other end connects trigger device (7), described operating mechanism (5) is connected with conducting rod tumbler (2) by transmission mechanism (8), drive conducting rod to rotate and trigger device (7) access static contact head device (6) is closed a floodgate, it is characterized in that, described switch underframe (1) is by bolt and adjusting screw(rod) (11) and valve Room wall connecting, described ground connection conducting rod (4) is by extra heavy pipe and tubule two parts are supporting is welded to form, the contact base (71) of described trigger device (7) is set to above to slide and to fix at ground connection conducting rod (4), described conducting rod tumbler (2) comprises the first power transmission shaft (21) and the first connecting lever (22), described the first power transmission shaft (21) is installed on switch underframe (1), described the first power transmission shaft (21) one end is connected with the first connecting lever (22), the other end is connected with the bevel gear of counter weight device (3), the other end of described the first connecting lever (22) connects ground connection conducting rod (4), described the first connecting lever (22) end face adopts zigzag slotted hole.
2. a kind of low side straight-wavy valve according to claim 1 Room earthed switch, it is characterized in that, described transmission mechanism (8) comprises the first drive link (81), the second drive link (82) and transfer (83), described the first drive link (81) one end is connected with operating mechanism (5), the other end is connected with transfer (83), and described the second drive link (82) one end is connected with conducting rod tumbler (2), the other end is connected with transfer (83).
3. a kind of low side straight-wavy valve according to claim 2 Room earthed switch, it is characterized in that, described transfer (83) is by turning rack (831), horizontal bevel gear (832), vertical bevel gear (833), second driving shaft (834) and the second connecting lever (835), described turning rack (831) is fixedly installed on the metope of the valve Room, described horizontal bevel gear (832), vertically bevel gear (833) vertically connects, described second driving shaft (834) is fixed on turning rack (831), described second driving shaft (834) one end is connected with the second connecting lever (835), the other end is connected with vertical bevel gear (833), described horizontal bevel gear (832) is fixedly installed on the lower end of turning rack (831), described the first drive link (81) one end is connected with operating mechanism (5), the other end is connected with horizontal bevel gear (832), described the second drive link (82) one end is connected with the first connecting lever (22), the other end is connected with the second connecting lever (835).
4. a kind of low side straight-wavy valve according to claim 3 Room earthed switch, is characterized in that, described turning rack (831) is connected with valve Room metope with adjusting screw(rod) by bolt.
5. a kind of low side straight-wavy valve according to claim 1 Room earthed switch, it is characterized in that, described static contact head device (6) comprises mounting panel (61), fingertip (62), holddown spring (63) and horn cover (64), described mounting panel (61) is connected with valve Room bus gold utensil, described fingertip (62) is arranged at the lower end of mounting panel (61), it is upper that described holddown spring (63) is arranged at fingertip (62), and described horn cover (64) is fixed on mounting panel (61) top and covers mounting panel (61), fingertip (62) and holddown spring (63).
6. according to a kind of low side straight-wavy valve Room earthed switch described in any one in claim 1-5, it is characterized in that, also comprise bolster (10), described bolster (10) is adjacent with operating mechanism (5), is fixedly installed on the metope of the valve Room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795527.9U CN203588911U (en) | 2013-12-06 | 2013-12-06 | Grounding switch applied to low end direct current valve hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795527.9U CN203588911U (en) | 2013-12-06 | 2013-12-06 | Grounding switch applied to low end direct current valve hall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588911U true CN203588911U (en) | 2014-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320795527.9U Expired - Fee Related CN203588911U (en) | 2013-12-06 | 2013-12-06 | Grounding switch applied to low end direct current valve hall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-12-06 CN CN201320795527.9U patent/CN203588911U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106653459B (en) * | 2017-02-18 | 2018-10-02 | 国家电网公司 | It is folded for insertion into formula valve Room earthing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140507 Termination date: 20191206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |