CN107910983A - Self-retention decelerator used for high-voltage switch - Google Patents
Self-retention decelerator used for high-voltage switch Download PDFInfo
- Publication number
- CN107910983A CN107910983A CN201711299612.5A CN201711299612A CN107910983A CN 107910983 A CN107910983 A CN 107910983A CN 201711299612 A CN201711299612 A CN 201711299612A CN 107910983 A CN107910983 A CN 107910983A
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- China
- Prior art keywords
- motor
- shaft
- voltage switch
- friction plate
- centre bore
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
- H02K7/1021—Magnetically influenced friction brakes
- H02K7/1023—Magnetically influenced friction brakes using electromagnets
- H02K7/1025—Magnetically influenced friction brakes using electromagnets using axial electromagnets with generally annular air gap
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to high voltage switch part, is specifically a kind of self-retention decelerator used for high-voltage switch.It includes motor and reduction box, and the output section of motor is connected with the input unit of reduction box.Reduction box has output shaft, and one end of output shaft is stretched out outside reduction box.Its main feature is that one end of machine shaft is stretched out outside motor and is connected with arrestment mechanism.Arrestment mechanism includes shell, and there is centre bore in one end which corresponds to motor, there is compression spring in centre bore.There is annular groove in the periphery of centre bore, there is coil in annular groove, and coil is connected by conducting wire with the power cord of motor.There is the brake(-holder) block for covering centre bore and annular groove in one end that shell corresponds to motor, there is friction plate on the outside of brake(-holder) block, and friction plate is in be fixedly connected with machine shaft.The installing plate for being fixedly connected with the shell of arrestment mechanism with motor is useful on the outside of the friction plate.The decelerator when power is off can self-retention, avoid overdriving for high-voltage switch gear, be hardly damaged its parts.
Description
Technical field
The present invention relates to high voltage switch part, it is specifically a kind of be used to controlling high-voltage switch gear divide-shut brake can automatic braking
Decelerator.
Background technology
High-voltage switch gear, is that rated voltage 3kV and the above are mainly used for cut-offfing and close the electric appliance of galvanic circle.Cut-off and close
Conjunction is two basic operations action of high-voltage switch gear, the two operational motions are required for by the operating of decelerator come real
It is existing.
Traditional decelerator used for high-voltage switch all includes motor and reduction box, the output section of motor and reduction box it is defeated
Enter portion to be connected；The reduction box has output shaft, and the output shaft is parallel with the axis of motor, and one end of output shaft is stretched out in reduction box
Outside.In use, the reduction gearbox output shaft of the decelerator is connected by transmission mechanism with the divide-shut brake of high-voltage switch gear, profit
With the rotating of motor, and after the deceleration for passing through reduction box, to control divide-shut brake, cut-offfing and close so as to fulfill high-voltage switch gear
Close.However, this decelerator does not possess braking function, its motor when power is off, due to the effect of inertia still can by shaft
Certain angle is rotated, the rotation of this inertia also can pass to high-voltage switch gear by reduction box and output shaft, cause height to press off
What is closed overdrives, and is easily damaged its parts.
The content of the invention
The problem to be solved in the present invention is to provide a kind of self-retention decelerator used for high-voltage switch, which exists
During power-off can self-retention, avoid overdriving for high-voltage switch gear, be hardly damaged its parts.
To solve the above problems, take following technical scheme：
The self-retention decelerator used for high-voltage switch of the present invention includes motor and reduction box, the output section of motor and reduction box
Input unit is connected.The reduction box has output shaft, and the output shaft is parallel with the axis of motor, and one end of output shaft, which is stretched out, is slowing down
Outside case.Its main feature is that one end of the machine shaft is stretched out outside motor, and the end of shaft is connected with arrestment mechanism.Institute
Stating arrestment mechanism includes shell, and there is centre bore in one end which corresponds to motor, there is compression spring in centre bore.The centre bore
Periphery have annular groove, have coil in annular groove, coil is connected by conducting wire with the power cord of motor.The shell corresponds to motor
One end have the brake(-holder) block of covering centre bore and annular groove, have friction plate on the outside of brake(-holder) block, friction plate is with machine shaft in solid
Fixed connection.The installing plate for being fixedly connected with the shell of arrestment mechanism with motor is useful on the outside of the friction plate.
Wherein, there is polygonal hole at the center of the friction plate, there is the fixation being adapted with its shape size in polygonal hole
Piece, fixinig plate are sleeved in the shaft of motor, and there is shaft locking bolt in the side of fixinig plate.
The polygonal hole and fixinig plate of the friction plate are regular hexagon.
Such scheme is taken, is had the following advantages：
Since one end of the machine shaft of the self-retention decelerator used for high-voltage switch of the present invention is stretched out outside motor, and turn
The end of axis is connected with arrestment mechanism；The arrestment mechanism includes shell, and there are centre bore, center in one end which corresponds to motor
There is compression spring in hole；There is annular groove in the periphery of the centre bore, there is coil in annular groove, and coil passes through conducting wire and the electricity of motor
Source line is connected；There is the brake(-holder) block for covering centre bore and annular groove in one end that the shell corresponds to motor, rubs on the outside of brake(-holder) block
Pad, friction plate are in be fixedly connected with machine shaft；It is useful for the shell and motor of arrestment mechanism on the outside of the friction plate
The installing plate being fixedly connected.In the decelerator normal operation, electrical power rotates, and coil, which is also powered, produces suction adsorption
Brake(-holder) block so that brake(-holder) block is not contacted with friction plate, and friction plate rotates together in company with machine shaft.At the same time brake(-holder) block extrudes
Compress spring energy-storage.When motor powers off, coil also powers off, and compression spring energy-storage release ejection brake(-holder) block, makes itself and friction plate
It is in contact, produces great frictional force so that friction plate and the stalling of coupled machine shaft moment, so as to reach automatic system
Dynamic effect.Therefore, which can automatically generate braking force control machine shaft and stops while stoppage in transit is powered off
Turn, be not in that inertia rotates, can avoid overdriving to high-voltage switch gear, be hardly damaged its parts.
Brief description of the drawings
Fig. 1 is the structure diagram of the self-retention decelerator used for high-voltage switch of the present invention；
Fig. 2 is the enlarged diagram of arrestment mechanism；
Fig. 3 is the bottom view of Fig. 2.
Embodiment
The present invention is described in further details below in conjunction with attached drawing.
As shown in Figure 1, Figure 2 and Figure 3, self-retention decelerator used for high-voltage switch of the invention includes motor 1 and slows down
Case 2, the output section of motor 1 are connected with the input unit of reduction box 2.The reduction box 2 has output shaft 3, the output shaft 3 and motor 1
Axis it is parallel, one end of output shaft 3 is stretched out outside reduction box 2.One end of 1 shaft 4 of motor stretch out motor 1 it
Outside, and the end of shaft 4 is connected with arrestment mechanism.The arrestment mechanism includes shell 11, which corresponds to one end of motor 1
There is centre bore, there is compression spring 9 in centre bore.There is annular groove in the periphery of the centre bore, there is coil 10, coil 10 in annular groove
It is connected by conducting wire with the power cord of motor 1.There is the system for covering centre bore and annular groove in one end that the shell 11 corresponds to motor 1
There is friction plate 8 in movable plate 7, the outside of brake(-holder) block 7, and friction plate 8 is in be fixedly connected with 1 shaft 4 of motor.The outside of the friction plate 8
It is useful for the installing plate 6 for being fixedly connected with the shell 11 of arrestment mechanism with motor 1.
Friction plate 8 is all usually the vulnerable part with certain toughness, if being directly connected with the shaft 4 of motor 1, may be gone out
Now take off the phenomenon of axis.Therefore, the present embodiment is in the polygonal hole that is provided centrally with of the friction plate 8, have in polygonal hole and its
The fixinig plate 5 that shape size is adapted, fixinig plate 5 are sleeved in the shaft 4 of motor 1, and there is shaft locking bolt in the side of fixinig plate 5
12.The polygonal hole and fixinig plate 5 of the friction plate 8 are regular hexagon.Using polygonal hole and the excessive knot of fixinig plate 5
Structure, can improve the stability that friction plate 8 is connected with 1 shaft 4 of motor, and the stress between the polygonal hole of hexagon and fixinig plate 5
Uniformly, stress is small, easy processing.
In use, the overhanging end of 2 output shaft 3 of reduction box in the self-retention decelerator used for high-voltage switch of the present invention is led to
Transmission mechanism is crossed with the divide-shut brake of high-voltage switch gear to be connected.In the decelerator normal operation, motor 1, which is powered, to be rotated, coil
10, which are also powered, produces suction adsorption brake(-holder) block 7 so that brake(-holder) block 7 is not contacted with friction plate 8, and friction plate 8 is in company with 1 shaft 4 of motor
Rotate together.At the same time the extruding of brake(-holder) block 7 compression 9 accumulation of energy of spring.The torque that motor 1 rotates passes through after the deceleration of reduction box 2
Output shaft 3 passes to high-voltage switch gear divide-shut brake, controls it to cut-off or close.When motor 1 powers off, coil 10 also powers off, compression
9 accumulation of energy of spring release ejection brake(-holder) block 7, it is in contact with friction plate 8, produce great frictional force so that friction plate 8 and with
Its connected 4 moment of 1 shaft of motor stalling, so as to reach the effect of automatic braking.Therefore, the motor 1 one of the decelerator
Denier power-off will automatically generate braking force control shaft 4 and stall, and be not in that inertia rotates, no longer moment exports, and can avoid
Overdrive to high-voltage switch gear, be hardly damaged its parts.
Claims (3)
1. self-retention decelerator used for high-voltage switch, including motor（1）And reduction box（2）, motor（1）Output section and deceleration
Case（2）Input unit be connected；The reduction box（2）There is output shaft（3）, the output shaft（3）With motor（1）Axis it is parallel, it is defeated
Shaft（3）One end stretch out in reduction box（2）Outside；It is characterized in that the motor（1）Shaft（4）One end stretch out in motor
（1）Outside, and shaft（4）The end be connected with arrestment mechanism；The arrestment mechanism includes shell（11）, the shell（11）It is corresponding
Motor（1）One end have centre bore, have compression spring in centre bore（9）；There is an annular groove in the periphery of the centre bore, in annular groove
There is coil（10）, coil（10）Pass through conducting wire and motor（1）Power cord be connected；The shell（11）Corresponding motor（1）One
There is the brake(-holder) block of covering centre bore and annular groove at end（7）, brake(-holder) block（7）Outside have friction plate（8）, friction plate（8）With motor
（1）Shaft（4）In being fixedly connected；The friction plate（8）Outside be useful for the shell of arrestment mechanism（11）With motor（1）Gu
Surely the installing plate connected（6）.
2. self-retention decelerator used for high-voltage switch as claimed in claim 1, it is characterised in that the friction plate（8）In
The heart has polygonal hole, there is the fixinig plate being adapted with its shape size in polygonal hole（5）, fixinig plate（5）It is sleeved on motor（1）'s
Shaft（4）On, and fixinig plate（5）Side have shaft locking bolt（12）.
3. self-retention decelerator used for high-voltage switch as claimed in claim 2, it is characterised in that the friction plate（8）It is more
Side shape hole and fixinig plate（5）It is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711299612.5A CN107910983A (en) | 2017-12-10 | 2017-12-10 | Self-retention decelerator used for high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711299612.5A CN107910983A (en) | 2017-12-10 | 2017-12-10 | Self-retention decelerator used for high-voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107910983A true CN107910983A (en) | 2018-04-13 |
Family
ID=61865179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711299612.5A Pending CN107910983A (en) | 2017-12-10 | 2017-12-10 | Self-retention decelerator used for high-voltage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107910983A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203840U (en) * | 1987-03-16 | 1987-10-21 | 罗其生 | Electromagnetic brake for ac motor |
| CN2622916Y (en) * | 2003-06-05 | 2004-06-30 | 孙宜培 | Brake of tubular dynamo |
| CN101043166A (en) * | 2007-04-13 | 2007-09-26 | 浙江新益控制系统有限公司 | Drive apparatus for tunable furniture |
| CN200996421Y (en) * | 2006-12-11 | 2007-12-26 | 刘硕毅 | Power-off friction brake |
| CN201383732Y (en) * | 2009-03-24 | 2010-01-13 | 浙江康明斯机械有限公司 | Braking device in brake speed reduction motor |
| CN202565095U (en) * | 2012-05-31 | 2012-11-28 | 苏剑雄 | Braking type motor |
| CN202790253U (en) * | 2012-07-09 | 2013-03-13 | 广德正道电器有限公司 | Regulation-free electromagnetic clutch miniature brake |
| CN203756813U (en) * | 2014-02-25 | 2014-08-06 | 无锡新华胜电滚筒制造有限公司 | Power-off brake of external rotor motor |
| CN207612167U (en) * | 2017-12-10 | 2018-07-13 | 华星传动科技无锡有限公司 | Self-retention decelerator used for high-voltage switch |
-
2017
- 2017-12-10 CN CN201711299612.5A patent/CN107910983A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203840U (en) * | 1987-03-16 | 1987-10-21 | 罗其生 | Electromagnetic brake for ac motor |
| CN2622916Y (en) * | 2003-06-05 | 2004-06-30 | 孙宜培 | Brake of tubular dynamo |
| CN200996421Y (en) * | 2006-12-11 | 2007-12-26 | 刘硕毅 | Power-off friction brake |
| CN101043166A (en) * | 2007-04-13 | 2007-09-26 | 浙江新益控制系统有限公司 | Drive apparatus for tunable furniture |
| CN201383732Y (en) * | 2009-03-24 | 2010-01-13 | 浙江康明斯机械有限公司 | Braking device in brake speed reduction motor |
| CN202565095U (en) * | 2012-05-31 | 2012-11-28 | 苏剑雄 | Braking type motor |
| CN202790253U (en) * | 2012-07-09 | 2013-03-13 | 广德正道电器有限公司 | Regulation-free electromagnetic clutch miniature brake |
| CN203756813U (en) * | 2014-02-25 | 2014-08-06 | 无锡新华胜电滚筒制造有限公司 | Power-off brake of external rotor motor |
| CN207612167U (en) * | 2017-12-10 | 2018-07-13 | 华星传动科技无锡有限公司 | Self-retention decelerator used for high-voltage switch |
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