CN204130377U - Switchgear two station operating mechanisms - Google Patents

Switchgear two station operating mechanisms Download PDF

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Publication number
CN204130377U
CN204130377U CN201420483188.5U CN201420483188U CN204130377U CN 204130377 U CN204130377 U CN 204130377U CN 201420483188 U CN201420483188 U CN 201420483188U CN 204130377 U CN204130377 U CN 204130377U
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China
Prior art keywords
screw
support
output shaft
connecting lever
shift fork
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CN201420483188.5U
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Chinese (zh)
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李程程
王杰
李春江
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李程程
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Priority to CN201420483188.5U priority Critical patent/CN204130377U/en
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Abstract

The utility model relates to electric power system field of switch equipment, specifically a kind of switchgear two station operating mechanisms, comprise motor, gear drive, screw-nut mechanism, connecting lever linkage, support, shift fork, output shaft, casing and auxiliary switch, wherein motor, support and auxiliary switch are all packed in casing, screw-nut mechanism is arranged in described support, motor is connected with the leading screw in screw-nut mechanism by gear drive, output shaft is installed in rotation on support, shift fork to be arranged in support and to be packed on described output shaft, shift fork is by the screw driven rotary in screw-nut mechanism, the output of described output shaft is connected with output gear wheels, the supported end of described output shaft is connected with auxiliary switch by described connecting lever linkage, parts can Double-directional rotary in three-dimensional transmission process for described connecting lever linkage, do not produce catching phenomenon.Structure is compacter, small volume, and greatly reduces production cost.

Description

Switchgear two station operating mechanisms
Technical field
The utility model relates to electric power system field of switch equipment, specifically a kind of two station operating mechanisms of the switchgear for GIS switch.
Background technology
On high voltage switchgear, two station mechanisms for operating GIS device isolation and earthed switch action in prior art adopt the transmission of driven by motor worm-and-wheel gear to carry out switch conjunction point mostly, and this mechanism structure is complicated, and manufacture process requirement is high, and volume is larger.In addition, in high voltage switchgear, adopt auxiliary switch output signal, the contact of auxiliary switch is generally rotated versions, and the output form of operating mechanism can only be the form that rotation and direct acting combine, owing to limitting by mechanism position, to rotate and direct acting two kinds exports and is connected not when same plane, three-dimensionally connect often difficult, it is all very complicated that existing mechanism is that realization steadily connects the connected mode designed.
Utility model content
The purpose of this utility model is to provide a kind of switchgear miniaturized two station operating mechanisms, adopt a screw-nut mechanism to drive shift fork to rotate, and drive auxiliary switch to rotate by a connecting lever linkage, overall structure is simply compact, volume is little, and reduces production cost.
The purpose of this utility model is achieved through the following technical solutions:
A kind of switchgear two station operating mechanisms, comprise motor, gear drive, screw-nut mechanism, connecting lever linkage, support, shift fork, output shaft, casing and auxiliary switch, wherein motor, support and auxiliary switch are all packed in casing, screw-nut mechanism is arranged in described support, motor is connected with the leading screw in described screw-nut mechanism by gear drive, output shaft is installed in rotation on support, shift fork to be arranged in support and to be packed on described output shaft, described shift fork is by the screw driven rotary in screw-nut mechanism, the output of described output shaft is connected with output gear wheels, the supported end of described output shaft is connected with auxiliary switch by described connecting lever linkage.
Described connecting lever linkage comprises connecting lever, rotating shaft and connecting rod, and two connecting levers are hingedly mounted on the two ends of connecting rod respectively by rotating shaft, one of them connecting lever is connected with the supported end of output shaft, and another connecting lever is then connected with auxiliary switch.
Described rotating shaft is connected with described connecting rod by pivot pin, and is arranged on connecting lever by spring collar.
Described shift fork comprises two swinging plates, the free end of described two swinging plates all has shifting chute, screw both sides in screw-nut mechanism are respectively equipped with a short traveller and a long traveller, and described short traveller and long traveller are placed in two shifting chutes on shift fork respectively.
Described support is provided with a rectilinear movement groove parallel with leading screw length direction, and the long traveller on screw is also placed in described rectilinear movement groove simultaneously.
Be provided with contactor in described casing, motor controls to start by described contactor.
Be separately installed with a travel switch in the both sides of support, motor controls to stop by described travel switch.
Advantage of the present utility model and good effect are:
1, the utility model drives shift fork rotation to carry out switch deciliter by a screw-nut mechanism, and carry out switch conjunction point compared to common driven by motor worm-and-wheel gear transmission, structure is compacter, small volume.
2, the utility model drives auxiliary switch to rotate by a connecting lever linkage, simple and practical, greatly reduces production cost.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation one,
Fig. 2 is the utility model structural representation two,
Fig. 3 is the utility model structure cutaway view in Fig. 2,
Fig. 4 is shifting fork structure schematic diagram in Fig. 2,
Fig. 5 is the structural representation one of connecting lever linkage in Fig. 1,
Fig. 6 is the structural representation two of connecting lever linkage in Fig. 1.
Wherein, 1 is motor, and 2 is gear drive, and 3 is screw-nut mechanism, 4 is support, and 5 is shift fork, and 6 is output shaft, and 7 is long traveller, 8 is casing, and 9 is contactor, and 10 is auxiliary switch, and 11 is travel switch, 12 is connecting lever linkage, and 13 is connecting lever, and 14 is rotating shaft, and 15 is connecting rod, 16 is pivot pin, and 17 is spring collar, and 18 is rectilinear movement groove, and 19 is shifting chute, 20 is swinging plate, and 21 is output, and 22 is supported end.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises motor 1, gear drive 2, screw-nut mechanism 3, connecting lever linkage 12, support 4, shift fork 5, output shaft 6, casing 8, contactor 9, auxiliary switch 10 and travel switch 11, wherein motor 1, support 4, contactor 9 and auxiliary switch 10 are all packed in casing 8, screw-nut mechanism 3 is packed in support 4, motor 1 is connected with described screw-nut mechanism 3 by gear drive 2, described gear drive 2 comprises intermeshing driving gear and driven gear, output shaft and the described driving gear of motor 1 are connected, driven gear is packed on the leading screw in screw-nut mechanism 3.
As shown in Figure 3, output shaft 6 is arranged on support 4 by bearing supporting, shift fork 5 to be arranged in support 4 and to be packed on described output shaft 6, described shift fork 5 comprises two swinging plates 20, as shown in Figure 4, the free end of described two swinging plates 20 all has shifting chute 19, screw both sides in screw-nut mechanism 3 are respectively equipped with a short traveller and a long traveller 7, namely described short traveller and long traveller 7 are placed in two shifting chutes 19 on shift fork 5 respectively, support 4 is also provided with a rectilinear movement groove 18 parallel with leading screw length direction, long traveller 7 on screw is also placed in described rectilinear movement groove 18 to ensure that screw linearly moves simultaneously.Screw rotates along driving shift fork 5 during lead screw straight-line, and then drives output shaft 6 to rotate by shift fork 5, and in the process, the short traveller of screw both sides and long traveller 7 are placed in all the time in the shifting chute 19 on shift fork 5 and do not skid off shift fork 5.
As shown in Figure 3, the output 21 of output shaft 6 is connected with output gear wheels, and described output gear wheels can expand output angle, exports angle and can be 60 degree to 300 degree.Be provided with connecting lever linkage 12 in the outside of support 4, namely the supported end 22 of output shaft 6 is connected with auxiliary switch 10 by described connecting lever linkage 12.As shown in Fig. 5 ~ 6, described connecting lever linkage 12 comprises connecting lever 13, rotating shaft 14, connecting rod 15, pivot pin 16 and spring collar 17, two connecting levers 13 are hingedly mounted on the two ends of connecting rod 15 respectively by rotating shaft 14, described rotating shaft 14 is connected with described connecting rod 15 by pivot pin 16, described rotating shaft 14 is arranged on connecting lever 13 by spring collar 17, a connecting lever 13 is connected with the supported end 22 of output shaft 6, another connecting lever 13 is connected with auxiliary switch 10, the connecting lever 13 be connected with output shaft 6 rotates with output shaft 6, therefore the output of this connecting lever 13 is camber lines, therefore this connecting lever 13 can drive connecting rod 15 lifting and swinging be attached thereto, and drive the connecting lever 13 be connected with auxiliary switch 10 to rotate by described connecting rod 15, thus drive auxiliary switch 10 rotation to send signal, can Double-directional rotary in described connecting lever linkage 12 transmission process, do not produce catching phenomenon.
Be separately installed with a travel switch 11 in the both sides of support 4, start travel switch 11 when the screw in screw-nut mechanism 3 moves into place, described travel switch 11 sends signal control motor 1 and stops operating.In the present embodiment, described travel switch 11 model is CSK2-22, and manufacturer is north, the Ningbo City complete Co., Ltd of logical sequence electrical equipment.
Operation principle of the present utility model is:
This mechanism is two station mechanisms, and namely mechanism kinematic has two positions: close a floodgate and separating brake.Mechanism's initial position is generally gate-dividing state, after mechanism receives reclosing command, electric motor loop is connected in contactor 9 action makes motor 1 rotate, the leading screw that motor 1 moves in screw-nut mechanism 3 through gear drive 2 driving-belt rotates, the screw in screw-nut mechanism 3 is made to do rectilinear motion along leading screw, screw moves and namely drives shift fork 5 to rotate, and drive output shaft 6 to rotate by described shift fork 5, the output 21 of output shaft 6 is connected with output gear wheels, output angle can be expanded, export angle and can be 60 degree to 300 degree, the supported end 22 of output shaft 6 drives auxiliary switch 10 to rotate by a connecting lever linkage 12 and sends signal.

Claims (7)

1. switchgear two station operating mechanisms, it is characterized in that: comprise motor (1), gear drive (2), screw-nut mechanism (3), connecting lever linkage (12), support (4), shift fork (5), output shaft (6), casing (8) and auxiliary switch (10), wherein motor (1), support (4) and auxiliary switch (10) are all packed in casing (8), screw-nut mechanism (3) is arranged in described support (4), motor (1) is connected with the leading screw in described screw-nut mechanism (3) by gear drive (2), output shaft (6) is installed in rotation on support (4), shift fork (5) to be arranged in support (4) and to be packed on described output shaft (6), described shift fork (5) is by the screw driven rotary in screw-nut mechanism (3), the output (21) of described output shaft (6) is connected with output gear wheels, the supported end (22) of described output shaft (6) is connected with auxiliary switch (10) by described connecting lever linkage (12).
2. switchgear according to claim 1 two station operating mechanisms, it is characterized in that: described connecting lever linkage (12) comprises connecting lever (13), rotating shaft (14) and connecting rod (15), two connecting levers (13) are hingedly mounted on the two ends of connecting rod (15) respectively by rotating shaft (14), one of them connecting lever (13) is connected with the supported end (22) of output shaft (6), and another connecting lever (13) is then connected with auxiliary switch (10).
3. switchgear according to claim 2 two station operating mechanisms, it is characterized in that: described rotating shaft (14) is connected with described connecting rod (15) by pivot pin (16), and be arranged on connecting lever (13) by spring collar (17).
4. switchgear according to claim 1 two station operating mechanisms, it is characterized in that: described shift fork (5) comprises two swinging plates (20), the free end of described two swinging plates (20) all has shifting chute (19), screw both sides in screw-nut mechanism (3) are respectively equipped with a short traveller and a long traveller (7), and described short traveller and long traveller (7) are placed in two shifting chutes (19) on shift fork (5) respectively.
5. switchgear according to claim 4 two station operating mechanisms, it is characterized in that: described support (4) is provided with a rectilinear movement groove (18) parallel with leading screw length direction, and the long traveller (7) on screw is also placed in described rectilinear movement groove (18) simultaneously.
6. switchgear according to claim 1 two station operating mechanisms, is characterized in that: be provided with contactor (9) in described casing (8), and motor (1) controls to start by described contactor (9).
7. switchgear according to claim 1 two station operating mechanisms, it is characterized in that: be separately installed with a travel switch (11) in the both sides of support (4), motor controls to stop by described travel switch (11).
CN201420483188.5U 2014-08-25 2014-08-25 Switchgear two station operating mechanisms Active CN204130377U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420483188.5U CN204130377U (en) 2014-08-25 2014-08-25 Switchgear two station operating mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420483188.5U CN204130377U (en) 2014-08-25 2014-08-25 Switchgear two station operating mechanisms

Publications (1)

Publication Number Publication Date
CN204130377U true CN204130377U (en) 2015-01-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420483188.5U Active CN204130377U (en) 2014-08-25 2014-08-25 Switchgear two station operating mechanisms

Country Status (1)

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CN (1) CN204130377U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106548898A (en) * 2015-09-22 2017-03-29 张亚宇 A kind of three positions of employing ball-screw isolate-it is grounded operating mechanism
CN106783359A (en) * 2017-01-04 2017-05-31 北海银河开关设备有限公司 Two station disconnecting switch operating mechanisms are pressed in one kind

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106548898A (en) * 2015-09-22 2017-03-29 张亚宇 A kind of three positions of employing ball-screw isolate-it is grounded operating mechanism
CN106783359A (en) * 2017-01-04 2017-05-31 北海银河开关设备有限公司 Two station disconnecting switch operating mechanisms are pressed in one kind
CN106783359B (en) * 2017-01-04 2018-06-19 北海银河开关设备有限公司 Two station disconnecting switch operating mechanisms are pressed in one kind

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