CN201868263U - Withdrawable switchgear grounding switch operating device - Google Patents
Withdrawable switchgear grounding switch operating device Download PDFInfo
- Publication number
- CN201868263U CN201868263U CN2010205927815U CN201020592781U CN201868263U CN 201868263 U CN201868263 U CN 201868263U CN 2010205927815 U CN2010205927815 U CN 2010205927815U CN 201020592781 U CN201020592781 U CN 201020592781U CN 201868263 U CN201868263 U CN 201868263U
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- Prior art keywords
- cabinet
- switch
- bevel gear
- plate
- interlocking
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 40
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a withdrawable switchgear grounding switch operating device, which comprises a switch operating device and a mechanical interlocking device. The front of an operating shaft of the switch operating device is movably mounted on a cabinet, the tail of the operating shaft is provided with a small bevel gear, the small bevel gear meshes with a large bevel gear, the large bevel gear is connected with a spindle of a grounding switch, the large bevel gear meshes with a small interlocking bevel gear, and the small interlocking bevel gear is connected with an interlocking shaft of the mechanical interlocking device. The withdrawable switchgear grounding switch operating device has the advantages that switching off and on of the grounding switch are realized by means of bevel gear transmission and only by smaller rotational angles, and the withdrawable switchgear grounding switch operating device can be used with various grounding switches and is safe and reliable.
Description
Technical field
The invention belongs to armored withdraw type metal enclosed switchgear technical field, especially relate to withdraw-type switch cabinet earthed switch operating means.
Background technology
In the armored withdraw type metal enclosed switchgear of 35KV, earthed switch is a main element, and ground protection when it mainly act as overhaul of the equipments is to ensure the safety of human body and equipment; What the operating mechanism of earthed switch adopted at present is connecting rod, connecting lever actuating mode; Because the safety air clear distance between 35KV earthed switch fracture is bigger, the spacing of the dynamic and static contact of earthed switch when disconnecting is also bigger, and the switch distance of closing, operating during separating brake is just long like this, therefore, is operating when the operational grounding switch and is just requiring great effort very much; And this kind mode is bad as the assembling adjustment, and operation dead point phenomenon very easily takes place, and influences the operate as normal of earthed switch.
Summary of the invention
The objective of the invention is to improve the deficiency of prior art and providing a kind of adopts bevel geared mode to carry out the branch of earthed switch, combined floodgate, only need the less angle of rotation just can be grounded branch, the combined floodgate of switch, and can with the supporting use of multiple earthed switch, be a kind of safe and reliable withdraw-type switch cabinet earthed switch operating means.
The object of the present invention is achieved like this, a kind of withdraw-type switch cabinet earthed switch operating means, form by switch operation device and mechanical interlocking device, be characterized in that described switch operation device is that the operating axis front portion is movably arranged on the cabinet, afterbody is provided with cone pinion, cone pinion and large bevel gear engagement, and large bevel gear links to each other with the main shaft of earthed switch, large bevel gear and the engagement of interlocking cone pinion, the interlocking cone pinion is connected with the chain axle of mechanical interlocking device.
In order further to realize purpose of the present invention, can be described mechanical interlocking device by cabinet before behind interlock and the cabinet interlock form, interlock is to be fixed with front limit plate and rear position margining plate in the front portion of operating axis before the cabinet, the valve bent plate is contained between cabinet and the bent plate bearing, fixedly connected with junction panel, guide pad and fairlead then are contained in respectively in the chute of valve bent plate and junction panel and with cabinet and link to each other, and support is fixed on the cabinet, link to each other by extension spring between support and the junction panel; Interlock is that chain head is connected with chain axle with elastic cylindrical pin and is fixed on the cabinet by bearing behind the cabinet, and the other end insertion of chain axle is interlocked and fixed in the hole of cone pinion, is fixed with jam plate on cabinet back door or the shrouding.
In order further to realize purpose of the present invention, can be in cabinet, to be provided with electric interlocking installation, this device is made up of auxiliary switch and electric-magnetic lock iron, auxiliary switch has three often to open, two normally closed five groups of contacts, on the operating axis of the rear of rear position margining plate, be fixed with pressing plate, pressing plate can contact with the action bars top of auxiliary switch by backing plate, on the action bars, following motion can realize respectively organizing the conversion of contact, three normally opened contacts of auxiliary switch respectively with the sub-gate circuit of breaker control circuit, the sub-gate circuit of system's control loop and the overhaul of the equipments of signal circuit caution show and link to each other, two normally-closed contacts of auxiliary switch link to each other with the closing circuit of breaker control circuit and the closing circuit of system's control loop respectively, electric-magnetic lock iron links to each other with the control loop of system, when electric-magnetic lock iron dead electricity, its iron core can block the valve bent plate.
Compared with the prior art the present invention has following distinguishing feature and good effect: the present invention is by switch operation device, mechanical interlocking device and electric interlocking installation are formed, described switch operation device is that the operating axis front portion is movably arranged on the cabinet, afterbody is provided with cone pinion, cone pinion and large bevel gear engagement, large bevel gear links to each other with the main shaft of earthed switch, drive small umbrella gear by the rotating operation axle, large umbrella gear rotates, thereby the main shaft that drives earthed switch rotates, being grounded switch closes a floodgate, so only need the less angle of rotation just can be grounded the branch of switch, close a floodgate, thereby make the operator more laborsaving when the operational grounding switch, and, fundamentally eliminated the employing pull bar, the mechanism of Abduction arm transmission, the operation that causes easily the phenomenon at dead point; Interlock composition behind interlock and the cabinet before the cabinet, interlock is to be fixed with front limit plate and rear position margining plate in the front portion of operating axis before the cabinet, the valve bent plate is contained between cabinet and the bent plate bearing, fixedly connected with junction panel, guide pad and fairlead then are contained in respectively in the chute of valve bent plate and junction panel and with cabinet and link to each other, link to each other by extension spring between support and the junction panel, support is fixed on the cabinet, on the operating axis of the rear of rear position margining plate, be fixed with pressing plate, can effectively control earthed switch by this device is in when closing a floodgate, the primary circuit is in off-state all the time, avoids owing to misoperation causes big equipment breakdown; Interlock is that chain head is connected with chain with elastic cylindrical pin and is fixed on the cabinet by bearing behind the cabinet, fixing in the hole of the other end insertion cone pinion of chain axle, be fixed with jam plate on cabinet back door or the shrouding, mutual motion by above-mentioned part, open the back door in the time of avoiding the primary circuit charged, thereby avoided the generation of great human casualty accident; Described electric interlocking installation is made up of auxiliary switch and electric-magnetic lock iron, on operating axis, be fixed with pressing plate, pressing plate can contact with the contact of auxiliary switch, often opening of auxiliary switch, normally-closed contact respectively with the branch of circuit breaker, the control loop of combined floodgate control loop and system links to each other, electric-magnetic lock iron links to each other with the control loop of system, when electric-magnetic lock iron dead electricity, its iron core can block the valve bent plate, when earthed switch is in "on" position, because the effect of pressing plate changes the contact of auxiliary switch, the normally opened contact closure, normally-closed contact disconnects, like this, because the combined floodgate control loop disconnects, can make circuit breaker be in "on" position all the time, otherwise, when earthed switch is in gate-dividing state, auxiliary switch returns to normal, like this, just can normal running, simultaneously when the system primary circuit disconnects, the electric-magnetic lock sheet iron strip, iron core is by adhesive, at this moment can the normal running earthed switch, otherwise, when the system primary circuit is connected, electric-magnetic lock iron dead electricity, iron core returns to normal, and has blocked the valve bent plate, cause operating grip can't insert in the handle hole, also just can't normally carry out the operation of earthed switch, strengthen the safeguard function of earthed switch operating means further, thereby avoid the generation of substantial equipment accident and human casualty accident to a greater degree.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further details.
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is that the local A of Fig. 1 is to view.
Fig. 3 is an another kind of structural representation of the present invention.
Fig. 4 is a kind of structural representation at interlock position before the cabinet of the present invention.
Fig. 5 is a kind of structural representation at interlock position behind the cabinet of the present invention.
Fig. 6 is a kind of structural representation at electric interlocking installation of the present invention position.
Embodiment
Embodiment 1, a kind of withdraw-type switch cabinet earthed switch operating means, form by switch operation device, mechanical interlocking device with reference to Fig. 1, Fig. 2, switch operation device is that operating axis 5 front portions are movably arranged on the cabinet, afterbody is provided with cone pinion 11, cone pinion 11 and large bevel gear 6 engagements, large bevel gear 6 links to each other with the main shaft 12 of earthed switch, large bevel gear 6 and 10 engagements of interlocking cone pinion, interlocking cone pinion 10 is connected with the chain axle 7 of mechanical interlocking device, the structure of mechanical interlocking device is same as the prior art, and this constitutes a kind of structure of the present invention.
Embodiment 2, a kind of withdraw-type switch cabinet earthed switch operating means, with reference to Fig. 2, Fig. 3, Fig. 4, Fig. 5, be on the basis of embodiment 1, mechanical interlocking device by cabinet before behind interlock and the cabinet interlock form, interlock is to be fixed with front limit plate 16 and rear position margining plate 17 in the front portion of operating axis 5 before the cabinet, valve bent plate 3 is contained between cabinet and the bent plate bearing 15, fixedly connected with junction panel 1, guide pad 14 and 13 of fairleads are contained in respectively in the chute of valve bent plate 3 and junction panel 1 and with cabinet and link to each other, support 4 is fixed on the cabinet, link to each other by extension spring 2 between support 4 and the junction panel 1, on the rear of rear position margining plate 17 operating axis 5, be fixed with pressing plate 18; Interlock is that chain 9 usefulness elastic cylindrical pin is connected with chain axle 7 and is fixed on the cabinet by bearing 8 behind the cabinet, fixing in the hole of the other end insertion interlocking cone pinion 10 of chain axle 7, be fixed with jam plate 21 on cabinet back door or the shrouding, other and embodiment 1 are identical.
The present invention adopts gear-driven mode to carry out the transmission of operating physical force, and has machinery, electric anti-misoperation function, partly is made up of switching manipulation part, mechanical chain part and electrical interlock; Wherein, mechanical chain part is divided into chain and chain two parts in cabinet back door before the cabinet again, during the operational grounding switch, operating grip is inserted the operation termination of this mechanism, is rotated counterclockwise 180 degree, realizes that switch closes a floodgate; Cabinet back door or shrouding release can normally be opened back door or shrouding simultaneously, otherwise, as operational grounding switch separating brake, opposite when then program is with combined floodgate; When circuit breaker is in "on" position, when charged, earthed switch can't be operated on the circuit.Only when circuit breaker is in, just can carry out the earthed switch operation.And when earthed switch was in "on" position, circuit breaker can't close a floodgate.
This mechanism is a manual operation mechanism, and the operator utilizes operating grip, and earthed switch is carried out branch, combined floodgate.
The operating process that earthed switch closes a floodgate: at first with breaker open operation, make system be in off-position, at this moment, electric-magnetic lock iron 20 electric, circuit breaker cart is shaken out to test position, unclamp the junction panel 1 with cabinet, perhaps circuit breaker cart is shifted out outside the cabinet; Opening operation mechanism termination valve, operating grip is inserted in the operating axis 5, be rotated counterclockwise 180 degree, drive cone pinion 11 by operating axis 5, large bevel gear 6 rotates, driving earthed switch main shaft 12 rotates, after making earthed switch realize closing a floodgate, because the effect of front limit plate 16, cause operating axis 5 again can't be rotated further, simultaneously, because the motion of pressing plate 18 changes the contact of auxiliary switch 19, so that the closing circuit of circuit breaker is in off-state all the time, rear position margining plate 17 is also pushed down valve bent plate 3 along with the rotation of operating axis 5, and the junction panel 1 that links to each other with valve bent plate 3 and then moves downward, and has blocked the chain hole of cabinet, even circuit breaker cart junction panel, can't insert in the chain hole of cabinet, like this, because chain effect, circuit breaker cart just can't shake and enter the service position, thereby has guaranteed maintainer's personal safety; The chain also release along with the rotation of operating axis 5 in cabinet back door, the maintainer also just can enter in the cabinet of back and carry out overhaul of the equipments.
The operating process of earthed switch separating brake: maintenance finishes, shut cabinet back door or shrouding, before cabinet in the earthed switch handle hole, insert operating grip, the dextrorotation turnback drives the bevel gear mechanism kinematics by operating axis 5, make earthed switch realize separating brake after, because the effect of front limit plate 16 causes operating axis 5 to be rotated further; Simultaneously, each several part is chain before the cabinet also removes thereupon, and the cabinet back door is chain also can't open along with the rotation of operating axis 5 again; Extract operating grip, junction panel 1 drives valve bent plate 3 and moves upward, thereby blocked the earthed switch handle hole under the effect of extension spring 2; The circuit breaker cart junction panel is inserted in the chain hole of cabinet, shake to the service position and combined floodgate, at this moment, because the effect of electric-magnetic lock iron 20 and handcart junction panel, the earthed switch handle hole again can't be opened, and also just can't carry out earthed switch again and operate.
The present invention can with the supporting uses of earthed switch such as JN22B-40.5KV, JN15-40.5KV, JN15-10KV, be widely used in middle and high be pressed into the cover electric equipment in.
Claims (3)
1. withdraw-type switch cabinet earthed switch operating means, form by switch operation device and mechanical interlocking device, it is characterized in that described switch operation device is that operating axis (5) front portion is movably arranged on the cabinet, afterbody is provided with cone pinion (11), cone pinion (11) and large bevel gear (6) engagement, large bevel gear (6) link to each other with the main shaft of earthed switch (12), large bevel gear (6) and interlocking cone pinion (10) engagement, interlocking cone pinion (10) is connected with the chain axle (7) of mechanical interlocking device.
2. a kind of withdraw-type switch cabinet earthed switch operating means according to claim 1, it is characterized in that before described mechanical interlocking device is by cabinet that interlock is formed behind the interlock and cabinet, interlock is to be fixed with front limit plate (16) and rear position margining plate (17) in the front portion of operating axis (5) before the cabinet, valve bent plate (3) is contained between cabinet and the bent plate bearing (15), fixedly connected with junction panel (1), guide pad (14) and fairlead (13) then are contained in respectively in the chute of valve bent plate (3) and junction panel (1) and with cabinet and link to each other, support (4) is fixed on the cabinet, links to each other by extension spring (2) between support (4) and the junction panel (1);
Interlock is that chain head (9) is connected with chain (7) with elastic cylindrical pin and is fixed on the cabinet by bearing (8) behind the cabinet, fixing in the hole of the other end insertion interlocking cone pinion (10) of chain axle (7), be fixed with jam plate (21) on cabinet back door or the shrouding.
3. a kind of withdraw-type switch cabinet earthed switch operating means according to claim 1, it is characterized in that in cabinet, being provided with electric interlocking installation, this device is made up of auxiliary switch (19) and electric-magnetic lock iron (20), auxiliary switch (19) has three often to open, two normally closed five groups of contacts, on the rear operating axis (5) of rear position margining plate (17), be fixed with pressing plate (18), pressing plate (18) can pass through backing plate (22) and contact with action bars (23) top of auxiliary switch (19), on the action bars (23), following motion can realize respectively organizing the conversion of contact, three normally opened contacts of auxiliary switch (19) respectively with the sub-gate circuit of breaker control circuit, the sub-gate circuit of system's control loop and the overhaul of the equipments of signal circuit caution show and link to each other, two normally-closed contacts of auxiliary switch (19) link to each other with the closing circuit of breaker control circuit and the closing circuit of system's control loop respectively, electric-magnetic lock iron (20) links to each other with the control loop of system, when electric-magnetic lock iron (20) dead electricity, its iron core can block valve bent plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205927815U CN201868263U (en) | 2010-11-02 | 2010-11-02 | Withdrawable switchgear grounding switch operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205927815U CN201868263U (en) | 2010-11-02 | 2010-11-02 | Withdrawable switchgear grounding switch operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868263U true CN201868263U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205927815U Expired - Lifetime CN201868263U (en) | 2010-11-02 | 2010-11-02 | Withdrawable switchgear grounding switch operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201868263U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976622A (en) * | 2010-11-02 | 2011-02-16 | 山东鲁亿通电气设备有限公司 | Grounding switch operating device of removable switch cabinet |
| CN113643926A (en) * | 2021-09-06 | 2021-11-12 | 杭州玖熠信息科技有限公司 | Auxiliary grounding switch of environment-friendly gas insulation ring main unit |
| CN114937568A (en) * | 2022-06-22 | 2022-08-23 | 常熟市国瑞科技股份有限公司 | Novel high-voltage interlocking mechanism |
-
2010
- 2010-11-02 CN CN2010205927815U patent/CN201868263U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976622A (en) * | 2010-11-02 | 2011-02-16 | 山东鲁亿通电气设备有限公司 | Grounding switch operating device of removable switch cabinet |
| CN101976622B (en) * | 2010-11-02 | 2012-01-11 | 山东鲁亿通智能电气股份有限公司 | Grounding switch operating device of removable switch cabinet |
| CN113643926A (en) * | 2021-09-06 | 2021-11-12 | 杭州玖熠信息科技有限公司 | Auxiliary grounding switch of environment-friendly gas insulation ring main unit |
| CN113643926B (en) * | 2021-09-06 | 2024-03-01 | 杭州玖熠信息科技有限公司 | Auxiliary grounding switch of environment-friendly gas-insulated ring main unit |
| CN114937568A (en) * | 2022-06-22 | 2022-08-23 | 常熟市国瑞科技股份有限公司 | Novel high-voltage interlocking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG LUYITONG INTELLIGENT ELECTRIC CO., LTD. Free format text: FORMER NAME: SHANDONG LUYITONG ELECTRIC EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 265200, No. 256 West Longmen Road, Yantai, Shandong, Laiyang Patentee after: Shandong Luyitong Intelligent Electrical Co., Ltd. Address before: 265200, No. 256 West Longmen Road, Yantai, Shandong, Laiyang Patentee before: Shandong Luyitong Electric Equipment Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20120111 |