CN201038039Y - Separation switch transmission device with earthing switch - Google Patents
Separation switch transmission device with earthing switch Download PDFInfo
- Publication number
- CN201038039Y CN201038039Y CNU2007200358816U CN200720035881U CN201038039Y CN 201038039 Y CN201038039 Y CN 201038039Y CN U2007200358816 U CNU2007200358816 U CN U2007200358816U CN 200720035881 U CN200720035881 U CN 200720035881U CN 201038039 Y CN201038039 Y CN 201038039Y
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Abstract
The utility model discloses a switch disconnecting gearing with a grounding switch, which relates to a power switch technique field. Two rows of insulator are arranged on a bottom frame; wherein, an insulating drawbar is arranged between two rows of corresponding insulators; top ends of one row of insulators are respectively connected with static contacts; top ends of the other row of insulators are respectively connected with touching seats; each touching seat is connected with a dynamic touching knife through a pin; a spindle is arranged between two rows of insulators; wherein, a handle is connected on the spindle. An earth axis is supported by two ends of the bottom frame on the ship side of one row of the insulators; the earth axis is connected with a grounding knife which is corresponding to the insulators; the top ends of the insulator row are respectively connected with the grounding axis; the front end of each grounding knife is matched with the corresponding grounding touches. A master arm of the spindle and a turn arm of the earth axis are respectively connected on the spindle and the earth axis; a connecting pole is arranged between the master arm of the spindle and the turn arm of the earth axis; two ends of the connecting pole are respectively reamed and connected with the master arm of the spindle and the turn arm of the earth axis. The utility model realizes the objects of conversing action accurately, simply and reliably with small operation strength.
Description
Background technology
The utility model relates to the technical field of power switch.
Technical field
The isolating switch transmission device of band earthed switch is most important, if the isolating switch branch of band earthed switch, close a floodgate not in placely, gently then has influence on normal use, and serious meeting causes a serious accident.The isolator operation mode of band earthed switch mainly contains two big classes at present, and a class is to come disconnecting switch operation and earthed switch respectively with two operating mechanisms, its shortcoming: the one, used an operating mechanism more, and increased the cost of switch cubicle; Another disadvantage be when the switch cubicle requirement is upper and lower all be furnished with the band earthed switch isolating switch the time, can't assemble four operating mechanisms simultaneously on its switch cabinet panel.Another kind of is to utilize transmission device, the transmission device of general using has two kinds of forms, a kind of is the four bar linkage mechanism driver form, this form or " five the is anti-" requirement that operator separating brake and ground cutter close a floodgate that do not reach that operator is closed a floodgate and ground cutter separating brake---centre position (operator separating brake and ground cutter separating brake)---, because angle of eccentricity is too big, more than or equal to 105 °, owing in the operation running dead point is arranged, operating physical force can't be operated too greatly at switch cubicle.Second kind is to adopt cam board slot transmission mechanism, has indivedual reasons owing to pressure angle to cause operating physical force excessive and can't operate in the whole operation process all the time.
The utility model content
The purpose of this utility model provides a kind of---centre position (operator separating brake and ground cutter separating brake)---" five is anti-" requirement that operator separating brake and ground cutter close a floodgate, isolating switch transmission device of the band earthed switch that the action conversion is accurate, simple and reliable, operating physical force is little that can guarantee that operator is closed a floodgate and ground cutter separating brake.
The utility model installs two row's insulators on underframe, be provided with insulated tension pole between relative two insulators of two rows; Wherein the upper end of each insulator of row connects fixed contact respectively, and another is arranged each insulator upper end and connects touch base respectively, connects movable touch knife respectively by pin on each touch base; Between two row's insulators main shaft is set, the main shaft two ends are supported on respectively on the underframe, connect handle on the described main shaft; Be positioned at the wherein underframe two end supports earth's axis in row's insulator outside, connect and corresponding ground of insulator cutter on the earth's axis, the upper end of this row's insulator connects grounding contact respectively, and the front end of various places cutter cooperates with corresponding grounding contact respectively; Be connected main shaft master arm and earth's axis connecting lever respectively on main shaft and the earth's axis, be provided with connecting rod between main shaft master arm and the earth's axis connecting lever, the two ends of connecting rod are hinged with main shaft master arm and earth's axis connecting lever respectively.
During use, when handle drove main shaft and rotates, insulated tension pole promoted movable touch knife and rotates, and movable touch knife one end separates with fixed contact, realizes separating brake, and the connecting rod that connect with the main shaft master arm this moment is along with the main shaft master arm rotates, and earth's axis connecting lever does not rotate; When the main shaft master arm turned to certain angle, connecting rod promoted earth's axis connecting lever and rotates, and had realized that the ground cutter closes a floodgate, and promptly cutter contacts with grounding contact.Utilize such drive mechanism, can assemble four operating mechanisms simultaneously on switch cabinet panel, by four connecting rod transmissions, isolation strip ground connection reaches the scheme of isolation strip ground connection down in the realization; The corner of main shaft is not too large in addition, does not have the dead point in the process of operation and run switch cabinet like this, has reduced operating physical force greatly.Conversion between each position of the utility model accurately, put in place, can not appear at has indivedual points because pressure angle former thereby situation about can't operate make that the realization of action is simple and reliable in the operating process.The utility model has been realized the purpose that the action conversion is accurate, simple and reliable, operating physical force is little.
The utility model is provided with the main shaft rotating limit device that cooperatively interacts on underframe and main shaft.Two outsides that are positioned at main shaft on the underframe are fixing prodger respectively, the affixed shelves of mediating of the correspondence position on the main shaft, and the described shelves of mediating are provided with left and right sides extension respectively, and described left and right sides extension is corresponding with two prodger positions.Along with transfer can take place in the rotation insulated tension pole of main shaft, run into one of them insulator in order to prevent insulated tension pole, utilization can be mediated shelves and be regulated, when rotating, when an extension is close together with corresponding prodger, will stop main shaft to be rotated further, also just avoid the collide generation of phenomenon of insulated tension pole and insulator.
The utility model is provided with special-shaped groove along the length direction of earth's axis connecting lever, one end of connecting rod connects bearing pin, described bearing pin packaged type is arranged in the special-shaped groove, away from the radial arrangement of the special-shaped groove of the leading portion in earth's axis axle center along the earth's axis, near the oblique layout of back segment abnormity groove in earth's axis axle center.Described special-shaped groove is the L type or is boot last.Move in the special-shaped groove of connecting rod on earth's axis connecting lever, strengthened the stability in the use on the one hand, make the action conversion accurately; Reduced operating physical force on the other hand.
The utility model is provided with torque spring between underframe and earth's axis connecting lever, described torque spring is set in the outer wall of the earth's axis.In order to guarantee that the ground cutter can reduce resistance by "on" position during to separating brake, moves more reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an another kind of structural representation of the present utility model.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 be the utility model movable touch knife close a floodgate, a kind of structural representation of cutter gate-dividing state.
Fig. 5 be the utility model movable touch knife separating brake, a kind of structural representation of cutter gate-dividing state.
Fig. 6 be the utility model movable touch knife separating brake, a kind of structural representation of cutter "on" position.
Fig. 7 be the utility model movable touch knife close a floodgate, the another kind of structural representation of cutter gate-dividing state.
Fig. 8 be the utility model movable touch knife separating brake, the another kind of structural representation of cutter gate-dividing state.
Fig. 9 be the utility model movable touch knife separating brake, the another kind of structural representation of cutter "on" position.
Figure 10 is the structural representation that the utility model can be mediated shelves.
Figure 11 is a kind of structural representation of the utility model earth's axis connecting lever abnormity groove.
Figure 12 is the another kind of structural representation of the utility model earth's axis connecting lever abnormity groove.
Embodiment
As shown in the figure, the utility model is mainly by underframe 1,, and 2, handle, 3, main shaft, 4, main shaft master arm, 5, fixed contact, 6, insulated tension pole, 7, movable touch knife, 8, connecting rod, 9, earth's axis connecting lever, 10, the earth's axis, 11, cutter, 12, touch base, 13, can mediate shelves, 14, torque spring, 15, insulator, 16, grounding contact, 17, pin, 18, prodger, 19, special-shaped groove, 20, composition such as bearing pin.
On underframe 1, install two row's insulators 15, be provided with insulated tension pole 6 between relative two insulators 15 of two rows, wherein the upper end of each insulator 15 of row connects fixed contact 5 respectively, another is arranged each insulator 15 upper end and connects touch base 12 respectively, connect movable touch knife 7 respectively by pin 17 on each touch base 12, between the two row's insulators 15 of front and back main shaft 3 is set, main shaft 3 two ends are supported on respectively on the underframe 1, connect handle 2 on the described main shaft 3; Be positioned at the wherein underframe 1 two end supports earth's axis 10 in row's insulator 15 outsides, connect and insulator 15 corresponding ground cuttves 11 on the earth's axis 10, the upper end of this row's insulator 15 connects grounding contact 16 respectively, and the front end of various places cutter 11 cooperates with corresponding grounding contact 16 respectively; Be connected main shaft master arm 4 and earth's axis connecting lever 9 respectively on main shaft 3 and the earth's axis 10, be provided with connecting rod 8 between main shaft master arm 4 and the earth's axis connecting lever 9, the two ends of connecting rod 8 are hinged with main shaft master arm 4 and earth's axis connecting lever 9 respectively.
Be positioned at 3 two outsides of main shaft fixing prodger 18 respectively on the underframe 1, the affixed shelves 13 of mediating of correspondence position on the main shaft 3, the described shelves 13 of mediating are provided with left and right sides extension 13-1,13-2 respectively, and described left and right sides extension 13-1,13-2 are corresponding with two prodger 18 positions.Length direction along earth's axis connecting lever 9 is provided with special-shaped groove 19, one end of connecting rod 8 connects bearing pin 20, described bearing pin 20 packaged types are arranged in the special-shaped groove 19, away from the radial arrangement of the special-shaped groove 19-1 of the leading portion in the earth's axis 10 axle center, near the oblique layout of back segment abnormity groove 19-2 in the earth's axis 10 axle center along the earth's axis 10.As shown in figure 11, described special-shaped groove 19 is the L type.As shown in figure 12, described special-shaped groove 19 is boot last.Between underframe 1 and earth's axis connecting lever 9 torque spring 14 is set, described torque spring 14 is set in outside the earth's axis 10.
As shown in Figure 3, the isolating switch transmission device of band earthed switch is in initial condition, this moment operator closes a floodgate, the cutter separating brake, handle 2 rotates 86 °～89 ° in the direction of the clock under operating mechanism drives, main shaft 3 drives the same angle of main shaft master arm 4 rotations, main shaft master arm 4 upwards promotes insulated tension pole 6, insulated tension pole 6 promotes movable touch knife 7 solderless wrapped connections ground contact 16 and rotates, make movable touch knife 7 separate with fixed contact 5, its fracture distance is more than or equal to 150 millimeters, movable touch knife 7 separating brakes are realized the operator separating brake to the centre position; In main shaft 3 rotation, slide in the special-shaped groove 19 of main shaft master arm 4 drivening rods 8 on earth's axis connecting lever 9, the earth's axis 10 does not rotate, transmission device is in state as shown in Figure 4, the separating brake of operating this moment, the cutter separating brake.When main shaft 3 continues to rotate 20 °～23 °, main shaft master arm 4 has rotated identical angle synchronously, main shaft master arm 4 promotes 64 °～80 ° of earth's axis connecting lever 9 rotations by bearing pin 20, connecting rod 8, earth's axis connecting lever 9 drives ground cutter 11 by the earth's axis 10 and does same angle rotation, transmission device is in state shown in Figure 5, the separating brake of operating this moment, cutter close a floodgate.The overall process that operator separating brake and ground cutter close a floodgate that operating structure of the present utility model has been finished operator and closed a floodgate and ground cutter separating brake---centre position (operator separating brake and ground cutter separating brake)---.The reverse operating program of the isolating switch transmission device of band earthed switch is as the same.
In the process that reality is made, in order to reduce connecting rod 7 resistance when mobile special-shaped groove 19 in, can in bearing pin 20, ball be set, make the whole operation process accurately, simple, reliably.The utility model can use in electric current is the scope of 630A～1250A.
Claims (7)
1. the isolating switch transmission device of band earthed switch installs two row's insulators on underframe, is provided with insulated tension pole between relative two insulators of two rows; Wherein the upper end of each insulator of row connects fixed contact respectively, and another is arranged each insulator upper end and connects touch base respectively, connects movable touch knife respectively by pin on each touch base; Between two row's insulators main shaft is set, the main shaft two ends are supported on respectively on the underframe, connect handle on the described main shaft; Be positioned at the wherein underframe two end supports earth's axis in row's insulator outside, connect and corresponding ground of insulator cutter on the earth's axis, the upper end of this row's insulator connects grounding contact respectively, and the front end of various places cutter cooperates with corresponding grounding contact respectively; It is characterized in that being connected main shaft master arm and earth's axis connecting lever respectively on main shaft and the earth's axis, be provided with connecting rod between main shaft master arm and the earth's axis connecting lever, the two ends of connecting rod are hinged with main shaft master arm and earth's axis connecting lever respectively.
2. according to the isolating switch transmission device of the described band earthed switch of claim 1, it is characterized in that on underframe and main shaft, being provided with the main shaft rotating limit device that cooperatively interacts.
3. according to the isolating switch transmission device of the described band earthed switch of claim 2, two outsides that it is characterized in that being positioned on the underframe main shaft are fixing prodger respectively, the affixed shelves of mediating of correspondence position on the main shaft, the described shelves of mediating are provided with left and right sides extension respectively, and described left and right sides extension is corresponding with two prodger positions.
4. according to the isolating switch transmission device of the described band earthed switch of claim 1, it is characterized in that special-shaped groove being set along the length direction of earth's axis connecting lever, one end of connecting rod connects bearing pin, described bearing pin packaged type is arranged in the special-shaped groove, away from the radial arrangement of the special-shaped groove of the leading portion in earth's axis axle center, near the oblique layout of back segment abnormity groove in earth's axis axle center along the earth's axis.
5. according to the isolating switch transmission device of the described band earthed switch of claim 4, it is characterized in that described special-shaped groove is the L type.
6. according to the isolating switch transmission device of the described band earthed switch of claim 4, it is characterized in that described special-shaped groove is boot last.
7. according to the isolating switch transmission device of the described band earthed switch of claim 1, it is characterized in that between underframe and the earth's axis connecting lever torque spring being set, described torque spring is set in outside the earth's axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200358816U CN201038039Y (en) | 2007-04-17 | 2007-04-17 | Separation switch transmission device with earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200358816U CN201038039Y (en) | 2007-04-17 | 2007-04-17 | Separation switch transmission device with earthing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201038039Y true CN201038039Y (en) | 2008-03-19 |
Family
ID=39210558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200358816U Expired - Fee Related CN201038039Y (en) | 2007-04-17 | 2007-04-17 | Separation switch transmission device with earthing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201038039Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268836A (en) * | 2013-05-13 | 2013-08-28 | 周文伟 | Anti-misoperation demarcating load switch with disconnecting link |
| CN104051177A (en) * | 2013-03-11 | 2014-09-17 | 台达电子工业股份有限公司 | Electrical device and manually operated bypass cabinet, and manually operated isolation knife switch thereof |
| CN105609360A (en) * | 2016-03-04 | 2016-05-25 | 王世孝 | Novel isolation and ground switch |
| CN108648948A (en) * | 2018-07-23 | 2018-10-12 | 西安航空学院 | High current earthing or grounding means |
| CN108922817A (en) * | 2018-07-10 | 2018-11-30 | 深圳市地铁集团有限公司运营总部 | Earthed system is isolated in traction rectifier transformer |
| CN110401131A (en) * | 2019-07-12 | 2019-11-01 | 湖州电力设备成套有限公司 | A kind of low capacity substation high_voltage isolation cabinet |
| CN112038157A (en) * | 2020-07-16 | 2020-12-04 | 湖南长高高压开关集团股份公司 | Isolating switch |
| CN113257610A (en) * | 2021-05-13 | 2021-08-13 | 西安金叶电力科技有限公司 | High-voltage isolating switch, method for isolating power supply and application |
| CN114388282A (en) * | 2021-12-28 | 2022-04-22 | 北京四方继保工程技术有限公司 | Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch |
| CN108054049B (en) * | 2018-01-31 | 2023-08-01 | 大连北方真空开关有限公司 | Knife falling preventing device of high-voltage isolating switch |
-
2007
- 2007-04-17 CN CNU2007200358816U patent/CN201038039Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051177A (en) * | 2013-03-11 | 2014-09-17 | 台达电子工业股份有限公司 | Electrical device and manually operated bypass cabinet, and manually operated isolation knife switch thereof |
| CN104051177B (en) * | 2013-03-11 | 2016-06-01 | 台达电子工业股份有限公司 | Electric installation, manual bypass cabinet and manual isolation knife lock thereof |
| CN103268836A (en) * | 2013-05-13 | 2013-08-28 | 周文伟 | Anti-misoperation demarcating load switch with disconnecting link |
| CN105609360A (en) * | 2016-03-04 | 2016-05-25 | 王世孝 | Novel isolation and ground switch |
| CN108054049B (en) * | 2018-01-31 | 2023-08-01 | 大连北方真空开关有限公司 | Knife falling preventing device of high-voltage isolating switch |
| CN108922817A (en) * | 2018-07-10 | 2018-11-30 | 深圳市地铁集团有限公司运营总部 | Earthed system is isolated in traction rectifier transformer |
| CN108648948B (en) * | 2018-07-23 | 2023-05-16 | 西安航空学院 | Heavy current grounding device |
| CN108648948A (en) * | 2018-07-23 | 2018-10-12 | 西安航空学院 | High current earthing or grounding means |
| CN110401131A (en) * | 2019-07-12 | 2019-11-01 | 湖州电力设备成套有限公司 | A kind of low capacity substation high_voltage isolation cabinet |
| CN110401131B (en) * | 2019-07-12 | 2024-04-12 | 湖州电力设备成套有限公司 | High-voltage isolation cabinet for small-capacity transformer substation |
| CN112038157A (en) * | 2020-07-16 | 2020-12-04 | 湖南长高高压开关集团股份公司 | Isolating switch |
| CN113257610A (en) * | 2021-05-13 | 2021-08-13 | 西安金叶电力科技有限公司 | High-voltage isolating switch, method for isolating power supply and application |
| CN114388282A (en) * | 2021-12-28 | 2022-04-22 | 北京四方继保工程技术有限公司 | Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20140417 |