CN204303649U - A kind of three station operating mechanisms and power transmission shaft thereof - Google Patents
A kind of three station operating mechanisms and power transmission shaft thereof Download PDFInfo
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- CN204303649U CN204303649U CN201420695939.XU CN201420695939U CN204303649U CN 204303649 U CN204303649 U CN 204303649U CN 201420695939 U CN201420695939 U CN 201420695939U CN 204303649 U CN204303649 U CN 204303649U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
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- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
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Abstract
The utility model relates to three station operating mechanisms and power transmission shaft thereof, the power transmission shaft that three station operating mechanisms comprise motor and are connected with motor-driven, power transmission shaft comprises the axis body that axis extends along the longitudinal direction, axis body is installed with cut-out cam, cutting off cam has around the spaced apart ground connection position of circumference protruding, sub-gate position is protruding and closing position is protruding, sub-gate position is protruding protruding with ground connection position, closing position projection staggers setting in the longitudinal direction, three station operating mechanisms also comprise be respectively used to and ground connection position protruding, sub-gate position is protruding, the protruding pushing tow in closing position coordinate with at drive axis to earthing position, open position, the ground connection travel switch of described motor is cut off respectively during closing position, separating brake travel switch and combined floodgate travel switch.The utility model provide a kind of can cut off motor when drive axis puts in place three station operating mechanisms and this three station operating mechanism in the power transmission shaft that uses.
Description
Technical field
The utility model relates to three station operating mechanisms and power transmission shaft thereof.
Background technology
At present, emerge in large numbers along with crossing increasing ring main unit in inside and outside market, three station operating mechanisms are as the vitals in ring main unit, and the quality of its performance directly decides the quality of ring main unit quality.Existing three station operating mechanisms are " three position self-locking type cam operation mechanism and method of operation thereof " disclosed in Chinese patent CN102751129A, a kind of like this three station operating mechanisms are disclosed in this patent documentation, comprise motor, manual actuating bar and and motor, the first power transmission shaft that the output of manual actuating bar is in transmission connection, also comprise the second driving shaft be arranged in parallel with the first power transmission shaft, first power transmission shaft is installed with disc cam, disc cam offers the ear shape groove meeting and export angle requirement, second driving shaft is installed with the power transmission shaft connecting lever be in transmission connection with ear shape groove, ear shape groove is connected groove by but three of different radii sections of arc grooves concentric with the first power transmission shaft and two sections and forms, three sections of arc grooves are three station positioning round grooves, two sections connect groove is station conversion groove, station conversion groove is arranged between adjacent two station positioning round grooves, the link of power transmission shaft connecting lever and disc cam is arranged in ear shape groove by roller bearing.During by " combined floodgate " to " open position " position, motor or manual actuating bar drive the first power transmission shaft to rotate, first power transmission shaft drives disc cam to rotate, roller bearing first rotates in the station positioning round groove of " combined floodgate " position ear shape groove, then the station conversion groove of ear shape groove is forwarded to, by driving power transmission shaft connecting lever to arrive the station positioning round groove of " separating brake " position ear shape groove with roller bearing, when by " separating brake " position to " combined floodgate " position time, motor or the reversion of manual actuating bar, make roller bearing by " separating brake " position to " combined floodgate " position, when needs by " separating brake " position to " ground connection " position time, motor and manual actuating bar drive the first power transmission shaft, disc cam rotates, roller bearing turns to the station positioning round groove of " ground connection " position by the station positioning round groove of the ear shape groove of " separating brake " position.Existing this three station operating mechanism Problems existing are: when disc cam turns to the opposite position with separating brake, combined floodgate, ground connection, motor must be cut off, if the not cut-off disc cam of motor is rotated further and will produces serious consequence to ring main unit.
Utility model content
The purpose of this utility model is to provide a kind of three station operating mechanisms that can cut off motor when drive axis puts in place; The purpose of this utility model is also to provide the power transmission shaft used in this three station operating mechanism a kind of.
In order to solve the problem, in the utility model, the technical scheme of three station operating mechanisms is:
Three station operating mechanisms, the power transmission shaft comprising motor and be connected with motor-driven, power transmission shaft comprises the axis body that axis extends along the longitudinal direction, axis body is installed with cut-out cam, cutting off cam has around the spaced apart ground connection position of circumference protruding, sub-gate position is protruding and closing position is protruding, sub-gate position is protruding protruding with ground connection position, closing position projection staggers setting in the longitudinal direction, three station operating mechanisms also comprise be respectively used to and ground connection position protruding, sub-gate position is protruding, the protruding pushing tow in closing position coordinate with at drive axis to earthing position, open position, the ground connection travel switch of described motor is cut off respectively during closing position, separating brake travel switch and combined floodgate travel switch.
Described cut-out cam comprises spaced apart first cam and the second cam along the longitudinal direction, and described sub-gate position projection is arranged on described first cam, and described ground connection position is protruding, closing position is protruding is arranged on described second cam.
Described ground connection travel switch is arranged at directly over described combined floodgate travel switch, and described separating brake travel switch is arranged at front side or the rear side of described combined floodgate travel switch.
Described axis body is also installed with locking wheel, the outer peripheral face of locking wheel is provided with ground connection position draw-in groove around circumference is spaced apart, sub-gate position draw-in groove and closing position draw-in groove, three station operating mechanisms also comprise the latching electromagnet along power transmission shaft radial arrangement, latching electromagnet comprises deadlock lever and the coil for driving deadlock lever court to move away from locking wheel direction, latching electromagnet also comprise force deadlock lever towards the motion of described locking wheel with at drive axis to earthing position, open position, deadlock lever is made to extend into ground connection position draw-in groove respectively during closing position, case spring in sub-gate position draw-in groove and closing position draw-in groove.
Three station operating mechanisms also comprise output and are plugged in manual actuating bar on the motor shaft of described motor for spline suit or spline, and manual actuating bar is other is provided with the unblock travel switch be in transmission connection to cut off described motor in manual actuating bar and motor shaft connection procedure with manual actuating bar.
The output of operating mechanism comprises the drive sleeve be set in for spline on described motor shaft, drive sleeve and unlocking between travel switch is in transmission connection by the unlocking board that the axis of hinge axes and motor shaft is perpendicular, and unlocking board has for sliding the outer plate surface of pushing up press-fit and the inner plate surface for coordinating with described unblock travel switch pushing tow with the outer peripheral face of drive sleeve.
In the utility model, the technical scheme of power transmission shaft is:
The power transmission shaft of three station operating mechanisms, comprise the axis body that axis extends along the longitudinal direction, axis body is installed with cut-out cam, cut off cam have around circumference spaced apart protruding for the ground connection position that coordinates with corresponding ground connection travel switch, separating brake travel switch, combined floodgate travel switch pushing tow respectively at earthing position, open position, closing position, sub-gate position is protruding and closing position is protruding, sub-gate position protruding with ground connection position projection, arrange closing position protruding staggering in the longitudinal direction.
Described cut-out cam comprises spaced apart first cam and the second cam along the longitudinal direction, and described sub-gate position projection is arranged on described first cam, and described ground connection position is protruding, closing position is protruding is arranged on described second cam.
Described axis body is also installed with locking wheel, around spaced apart ground connection position draw-in groove, sub-gate position draw-in groove and the closing position draw-in groove be provided with for supplying the deadlock lever of corresponding latching electromagnet to stretch into respectively at earthing position, open position, closing position of circumference on the outer peripheral face of locking wheel.
The beneficial effects of the utility model are: when motor drives drive axis to closing position, the closing position projection cut off on cam will coordinate with combined floodgate travel switch pushing tow, combined floodgate travel switch cuts off motor power, with coordinating of combined floodgate travel switch, closing position projection ensures that drive axis is reliably cut off to motor power during closing position; As a same reason, when power transmission shaft turn to open position by closing position, turn to earthing position by open position time, sub-gate position projection and ground connection position projection coordinate with separating brake travel switch, ground connection travel switch pushing tow respectively, and correspondence course switch ensures the reliable power-off of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the utility model three station operating mechanism;
Fig. 2 is the structural representation of power transmission shaft in Fig. 1, is also the structural representation of an embodiment of power transmission shaft in the utility model simultaneously;
To be that when in Fig. 1, power transmission shaft is in closing position, closing position is protruding coordinate schematic diagram with combined floodgate travel switch to Fig. 3;
To be that when in Fig. 1, power transmission shaft is in open position, sub-gate position is protruding coordinate schematic diagram with separating brake travel switch to Fig. 4;
To be that when in Fig. 1, power transmission shaft is in earthing position, ground connection position is protruding coordinate schematic diagram with ground connection travel switch to Fig. 5;
Fig. 6 be when in Fig. 1, power transmission shaft is in closing position latching electromagnet and closing position draw-in groove coordinate schematic diagram;
Fig. 7 be when in Fig. 1, power transmission shaft is in open position latching electromagnet and sub-gate position draw-in groove coordinate schematic diagram;
Fig. 8 be when in Fig. 1, power transmission shaft is in earthing position latching electromagnet and ground connection position draw-in groove coordinate schematic diagram;
The layout schematic diagram of manual actuating bar when Fig. 9 is motor operation pattern in Fig. 1;
When Figure 10 is manual operation mode in Fig. 1, manual actuating bar and motor shaft coordinates schematic diagram.
Embodiment
The embodiment of three station operating mechanisms is as shown in Fig. 1 ~ 10: comprise frame, frame is provided with motor 1, manual actuating bar 23, power transmission shaft 6 and the output shaft be arranged in parallel with power transmission shaft, the motor shaft 25 of motor is in transmission connection by gear drive 5 and power transmission shaft 6, the output of manual actuating bar 23 is provided with the drive sleeve 24 be sheathed on for spline on motor shaft, manual actuating bar is other to be provided with unlocking board 26 and to unlock travel switch 2, unlocking board 26 is articulated with in frame, the hinge axes of unlocking board and the axial vertical of motor shaft, the outer peripheral face of drive sleeve has taper pushing tow section, unlocking board 26 have for taper pushing tow section slide the outer plate surface of pushing up press-fit and for the inner plate surface unlocking travel switch 2 pushing tow and coordinate, when electrical machine working mode, drive sleeve 24 on manual actuating bar is separated as shown in Figure 9 with motor shaft 25, when needs manual operation mode, promote manual actuating bar 23 to move towards motor shaft 25 direction and make drive sleeve spline be sheathed on the outer square structure of motor shaft ends, in the moving process of drive sleeve, the outer plate surface of taper pushing tow section meeting pushing tow unlocking board 26 makes unlocking board overturn towards unblock travel switch 2, the inner plate surface pushing tow of unlocking board 26 unlocks travel switch 2, unlock the power supply that travel switch can cut off motor 1, thus realize manual drive mode, arranging of unlocking board can conveniently arrange unblock travel switch.Power transmission shaft comprises the axis body that axis extends along the longitudinal direction, axis body is installed with disc cam 14, cut off cam and locking wheel 11, gear drive comprises the travelling gear 13 be fixedly arranged on axis body, output shaft is installed with output shaft connecting lever 10, disc cam 14 offers the ear shape groove meeting and export angle requirement, ear shape groove belongs to prior art, ear shape groove is connected groove by but three of different radii sections of arc grooves concentric with power transmission shaft and two sections and forms, three sections of arc grooves be respectively with closing position, three station positioning round grooves that open position is corresponding with earthing position, two sections connect groove is station conversion groove, station conversion groove is arranged between adjacent two station positioning round grooves, one end that output shaft connecting lever closes on disc cam is provided with the roller bearing be arranged in ear shape groove, the other end of output shaft connecting lever is used for being in transmission connection with moving contact, when disc cam 14 rotates, output shaft connecting lever can be driven to rotate by roller bearing, thus realize the combined floodgate of corresponding moving contact, separating brake and ground connection.Cut off cam and comprise spaced apart first cam 16 and the second cam 15 along the longitudinal direction, first cam 16 has sub-gate position projection 18, second cam 15 have ground connection position protruding 19 and closing position projection 17, ground connection position projection 19, sub-gate position protruding 18 and closing position projection 17 are arranged around circumferential interval, frame is provided with combined floodgate travel switch 8, ground connection travel switch 7 is provided with directly over combined floodgate travel switch 8, the front side of combined floodgate travel switch 8 is provided with separating brake travel switch 9, when power transmission shaft 6 turns to closing position, closing position protruding 17 coordinates with combined floodgate travel switch 8 pushing tow, combined floodgate travel switch can cut off the power supply of motor 1 with regard to 8 by electromagnet, as a same reason with the viewing angles of Fig. 3, power transmission shaft rotate counterclockwise to open position as shown in Figure 4, sub-gate position projection 18 will coordinate with separating brake travel switch 9 pushing tow, separating brake travel switch 18 will cut off the power supply of motor, if needed by open position to earthing position, power transmission shaft rotate counterclockwise to earthing position as shown in Figure 5, ground connection position protruding 19 coordinates with ground connection travel switch 7 pushing tow, ground connection travel switch will cut off the power supply of motor 1, if needed by open position to closing position, power transmission shaft is clockwise to closing position, closing position projection will coordinate with combined floodgate travel switch pushing tow, combined floodgate travel switch can cut off the power supply of motor, thus ensure the reliable cut-out of the power supply when each service position.Be provided with clutch between power transmission shaft and motor, if correspondence course switch failure, clutch will be thrown off, and motor dallies.Fig. 2 middle term 12 represents instruction gear.
The outer peripheral face of locking wheel 11 is provided with ground connection position draw-in groove 22 around circumference is spaced apart, sub-gate position draw-in groove 21 and closing position draw-in groove 20, three station operating mechanisms also comprise the latching electromagnet 4 along power transmission shaft radial arrangement, latching electromagnet 4 comprises deadlock lever 4-2 and the coil for driving deadlock lever 4-2 court to move away from locking wheel direction, latching electromagnet also comprise force deadlock lever towards the motion of described locking wheel with at drive axis to earthing position, open position, deadlock lever is made to extend into ground connection position draw-in groove respectively during closing position, case spring 4-1 in sub-gate position draw-in groove and closing position draw-in groove.Closing position is to open position: when power transmission shaft moves to before open position, latching electromagnet dead electricity, the arc surface that deadlock lever is taken turns in locking slides, close to during open position as shown in Figure 7 the deadlock lever 4-2 of latching electromagnet be slipped under case spring effect in sub-gate position draw-in groove 21, now separating brake travel switch cuts off motor power, can prevent the coordinating of deadlock lever 4-2 and sub-gate position draw-in groove 21 power transmission shaft from continuing to rotate because of inertia, after motor stalls, the charged deadlock lever that makes of latching electromagnet is deviate from towards away from the direction motion of locking wheel by sub-gate position draw-in groove.Open position is to closing position: after power transmission shaft turns an angle to closing position motion, corresponding stroke switch cutoff latching electromagnet power supply, after latching electromagnet dead electricity deadlock lever drop on locking wheel arc surface on slide, to be slipped in the draw-in groove of closing position as shown in Figure 6 close to deadlock lever during closing position, combined floodgate travel switch cuts off motor power, deadlock lever 4-2 extend in closing position draw-in groove 20 and prevents power transmission shaft from continuing to rotate under inertia to coordinate with closing position draw-in groove, after motor stalls, latching electromagnet drives and makes deadlock lever towards moving away from locking wheel direction by deviating from combined floodgate draw-in groove, wait for next operating procedure.Open position to earthing position and earthing position to open position with open position to closing position and closing position to open position.
In the utility model, ground connection position is protruding, sub-gate position is protruding and closing position is protruding and ground connection travel switch, separating brake travel switch, combined floodgate travel switch coordinate the reliable cut-out of power supply when can ensure that drive axis puts in place respectively; And locking wheel and arranging of latching electromagnet can reduce the impact of inertia on mechanism as far as possible; What unlock travel switch arranges the automatic switchover that can realize between manual operation mode, motor operation pattern.In other embodiment of the present utility model: the first cam, the second cam can also be one-body molded; Ground connection position is protruding, closing position is protruding also can be arranged on different cams respectively; Latching electromagnet and locking wheel also can not be established; Unlocking board also can not be established, and now can unlock travel switch by the direct pushing tow of taper pushing tow section; Drive sleeve can also be replaced by the driving plug rod that has outer square structure, now need arrange on motor shaft for square set in the grafting of driving plug rod spline, and other position pushing tow of drive link now can be utilized to unlock travel switch; Certain unblock travel switch also can not be established, and now manually can cut-off the power supply of motor to realize the conversion between motor drive mode and manual drive mode; Because power transmission shaft and output shaft are interaction relation, so cut-out cam and locking wheel also can be arranged on output shaft, now output shaft is equivalent to the power transmission shaft in claims; Certain disc cam also can not be established, and now output shaft connecting lever can directly be fixedly arranged on power transmission shaft.
The embodiment of power transmission shaft is as Fig. 1 ~ 10, and the concrete structure of power transmission shaft is identical with the power transmission shaft described in above-mentioned each three station operating mechanism embodiments, is not described in detail in this.
Claims (9)
1. three station operating mechanisms, the power transmission shaft comprising motor and be connected with motor-driven, power transmission shaft comprises the axis body that axis extends along the longitudinal direction, it is characterized in that: axis body is installed with cut-out cam, cutting off cam has around the spaced apart ground connection position of circumference protruding, sub-gate position is protruding and closing position is protruding, sub-gate position is protruding protruding with ground connection position, closing position projection staggers setting in the longitudinal direction, three station operating mechanisms also comprise be respectively used to and ground connection position protruding, sub-gate position is protruding, the protruding pushing tow in closing position coordinate with at drive axis to earthing position, open position, the ground connection travel switch of described motor is cut off respectively during closing position, separating brake travel switch and combined floodgate travel switch.
2. three station operating mechanisms according to claim 1, it is characterized in that: described cut-out cam comprises spaced apart first cam and the second cam along the longitudinal direction, described sub-gate position projection is arranged on described first cam, and described ground connection position is protruding, closing position is protruding is arranged on described second cam.
3. three station operating mechanisms according to claim 2, is characterized in that; Described ground connection travel switch is arranged at directly over described combined floodgate travel switch, and described separating brake travel switch is arranged at front side or the rear side of described combined floodgate travel switch.
4. three station operating mechanisms according to claim 1, it is characterized in that: described axis body is also installed with locking wheel, the outer peripheral face of locking wheel is provided with ground connection position draw-in groove around circumference is spaced apart, sub-gate position draw-in groove and closing position draw-in groove, three station operating mechanisms also comprise the latching electromagnet along power transmission shaft radial arrangement, latching electromagnet comprises deadlock lever and the coil for driving deadlock lever court to move away from locking wheel direction, latching electromagnet also comprise force deadlock lever towards the motion of described locking wheel with at drive axis to earthing position, open position, deadlock lever is made to extend into ground connection position draw-in groove respectively during closing position, case spring in sub-gate position draw-in groove and closing position draw-in groove.
5. three station operating mechanisms according to claim 1 ~ 4 any one, it is characterized in that: three station operating mechanisms also comprise output and are plugged in manual actuating bar on the motor shaft of described motor for spline suit or spline, manual actuating bar is other is provided with the unblock travel switch be in transmission connection to cut off described motor in manual actuating bar and motor shaft connection procedure with manual actuating bar.
6. three station operating mechanisms according to claim 5, it is characterized in that: the output of operating mechanism comprises the drive sleeve be set in for spline on described motor shaft, drive sleeve and unlocking between travel switch is in transmission connection by the unlocking board that the axis of hinge axes and motor shaft is perpendicular, and unlocking board has for sliding the outer plate surface of pushing up press-fit and the inner plate surface for coordinating with described unblock travel switch pushing tow with the outer peripheral face of drive sleeve.
7. the power transmission shaft of three station operating mechanisms, comprise the axis body that axis extends along the longitudinal direction, it is characterized in that: axis body is installed with cut-out cam, cut off cam have around circumference spaced apart protruding for the ground connection position that coordinates with corresponding ground connection travel switch, separating brake travel switch, combined floodgate travel switch pushing tow respectively at earthing position, open position, closing position, sub-gate position is protruding and closing position is protruding, sub-gate position protruding with ground connection position projection, arrange closing position protruding staggering in the longitudinal direction.
8. power transmission shaft according to claim 7, it is characterized in that: described cut-out cam comprises spaced apart first cam and the second cam along the longitudinal direction, described sub-gate position projection is arranged on described first cam, and described ground connection position is protruding, closing position is protruding is arranged on described second cam.
9. the power transmission shaft according to claim 7 or 8, it is characterized in that: described axis body is also installed with locking wheel, around spaced apart ground connection position draw-in groove, sub-gate position draw-in groove and the closing position draw-in groove be provided with for supplying the deadlock lever of corresponding latching electromagnet to stretch into respectively at earthing position, open position, closing position of circumference on the outer peripheral face of locking wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695939.XU CN204303649U (en) | 2014-11-20 | 2014-11-20 | A kind of three station operating mechanisms and power transmission shaft thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695939.XU CN204303649U (en) | 2014-11-20 | 2014-11-20 | A kind of three station operating mechanisms and power transmission shaft thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204303649U true CN204303649U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420695939.XU Withdrawn - After Issue CN204303649U (en) | 2014-11-20 | 2014-11-20 | A kind of three station operating mechanisms and power transmission shaft thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN204303649U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485250A (en) * | 2014-11-20 | 2015-04-01 | 平高集团有限公司 | Three-position operating mechanism and transmission shaft thereof |
| CN105118745A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Linkage turbine for automatic breaking-closing driving mechanism |
| WO2023173781A1 (en) * | 2022-03-18 | 2023-09-21 | 珠海优特电力科技股份有限公司 | Operating device for three-station knife switch, and three-station knife switch |
-
2014
- 2014-11-20 CN CN201420695939.XU patent/CN204303649U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485250A (en) * | 2014-11-20 | 2015-04-01 | 平高集团有限公司 | Three-position operating mechanism and transmission shaft thereof |
| CN105118745A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Linkage turbine for automatic breaking-closing driving mechanism |
| WO2023173781A1 (en) * | 2022-03-18 | 2023-09-21 | 珠海优特电力科技股份有限公司 | Operating device for three-station knife switch, and three-station knife switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160104 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: Pinggao Group Co., Ltd. Patentee after: State Grid Corporation of China Patentee after: Henan high General Electric Co., Ltd. Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. Patentee before: State Grid Corporation of China |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20180327 |