CN105048767B - The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting - Google Patents

The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting Download PDF

Info

Publication number
CN105048767B
CN105048767B CN201510413669.8A CN201510413669A CN105048767B CN 105048767 B CN105048767 B CN 105048767B CN 201510413669 A CN201510413669 A CN 201510413669A CN 105048767 B CN105048767 B CN 105048767B
Authority
CN
China
Prior art keywords
load
final drive
shaft
speed
drive shaft
Prior art date
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.)
Active
Application number
CN201510413669.8A
Other languages
Chinese (zh)
Other versions
CN105048767A (en
Inventor
丁兆勇
郭冰
赵虎军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guoneng Longyuan Lantian Energy Saving Technology Co.,Ltd.
Original Assignee
Guodian Longyuan Energy Saving Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guodian Longyuan Energy Saving Technology Co Ltd filed Critical Guodian Longyuan Energy Saving Technology Co Ltd
Priority to CN201510413669.8A priority Critical patent/CN105048767B/en
Priority to CN201710485885.2A priority patent/CN107302283B/en
Publication of CN105048767A publication Critical patent/CN105048767A/en
Application granted granted Critical
Publication of CN105048767B publication Critical patent/CN105048767B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K49/00Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/102Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K49/00Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/104Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
    • H02K49/108Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap

Abstract

The invention discloses a kind of equipment for switching load speed between power frequency rotating speed and permanent magnetic speed-adjusting, belong to dynamic field, equipment includes:Permanent magnetic speed-adjusting unit, power frequency rotating speed unit and switch unit;The switch unit is used to make the permanent magnetic speed-adjusting unit and the power frequency rotating speed unit between the load and the motor switch.The present invention is avoided when permanent-magnet speed governor breaks down by above-mentioned technical proposal, by the operation such as permanent-magnet speed governor Demolition Construction, not only greatly save the time and artificial, be more that of avoiding unit and be unable to bringing onto load operation for a long time and the economic benefit caused and social influence.

Description

The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting
Technical field
The invention belongs to dynamic field, more particularly to one kind switches load speed between power frequency rotating speed and permanent magnetic speed-adjusting Equipment.
Background technology
Diagnosing System for Oil Pump, such as blower fan and pump, on the one hand, in order to run safety, design capacity is all larger, the opposing party Face, because the equipment such as blower fan and pump are unable to oepration at full load, some equipment are even chronically at the flow of underload, blower fan and pump Respectively by baffle plate and Valve controlling, larger restriction loss is caused.The power of load and motor speed are closed into cube ratio System, during underload in the case of power frequency rotating speed motor consume energy in itself it is larger, if it is possible to when loading underload by motor speed Appropriate reduction there will be larger consumption reduction space.Therefore, speed control device:Frequency converter and permanent-magnet speed governor, arise at the historic moment.
According to formulaWith(Q in formula1、Q2、n1、n2、P1、P2Different operating modes are represented respectively Under flow, rotating speed and power), it is known that flow and rotating speed are into first power proportional relationship, power and rotating speed into cube direct ratio Example relation, when demand volume is reduced, while direct proportion reduction rotating speed, it is only original cube relation to exert oneself, therefore drop Power consumption reduction is significantly larger than rotating speed reduction amplitude during low motor speed.
The general principle of variable-frequency control technique is the relation being directly proportional according to motor speed to working power incoming frequency:n =60 × f (1-s)/p (n, f, s, p represent rotating speed, incoming frequency, motor slip ratio, motor pole logarithm respectively in formula);Pass through Change electric motor operation supply frequency and reach the purpose for changing motor speed.Current variable-frequency control technique comparative maturity, Ke Yiyong In current almost all of varying duty slewing, energy-saving effect is notable.And variable-frequency governor can realize online switching, one Denier frequency converter breaks down, and frequency conversion can be switched into power frequency operation online, the safe operation of whole system is not influenceed.But, Because frequency converter is to strong environmental adaptability, to dust and sensitive, it is necessary to which frequency converter to be individually placed in the closed room of air-conditioning Interior, on the other hand, frequency converter short life, maintenance are big, and module aging is very fast, replacement frequency is high, even if so current frequency converter Extensive use, but be due to the limitation of its structure and performance, denounce always and exist and can not thoroughly solve.
Permanent-magnet speed governor is analogous to a class speed control device of frequency converter, and it is by the gas between copper conductor and permanent magnet Gap is realized to be transmitted by the torque of motor to load.The technology realizes in driving (motor) and is driven (load) side not have Mechanical linkages.Its operation principle is one end rare metal oxide ferro-boron neodymium permanent magnet and the interaction production of other end induced field Raw torque, the torque of transmission can be just controlled by adjusting the air gap between permanent magnet and conductor, so as to realize that loading speed is adjusted Section.Permanent-magnet speed governor floor space is small, it is not necessary to which house and air-conditioning temperature-reducing are installed in capping in addition, and usually maintenance is small, the equipment longevity Life length, but there is a weakness that at present can not be commonly used in permanent-magnet speed governor, that is, because permanent-magnet speed governor is directly pacified It between motor and load, once permanent-magnet speed governor breaks down, can only shut down, then permanent-magnet speed governor be overhauled again, such as Permanent-magnet speed governor can not can only be removed quickly by failture evacuation and return factory, motor is moved forward, is connected again with load by fruit. Can not be switched to quickly for not standby Diagnosing System for Oil Pump, after permanent-magnet speed governor failure power frequency be energy unit not A receptible major defect is also main body power plant the reason for slowly not using permanent magnetic speed-adjusting in terms of blower fan.
The content of the invention
In order to solve the above problems, the present invention provides one kind and switches load speed between power frequency rotating speed and permanent magnetic speed-adjusting Equipment, it includes:Permanent magnetic speed-adjusting unit, power frequency rotating speed unit and switch unit;The permanent magnetic speed-adjusting unit is arranged at described Load and being rotated for the load is provided between the motor of driving source, is had:Permanent-magnet speed governor, enters for the rotating speed to load Row regulation;First final drive shaft, the right side of first final drive shaft is connected with the power rotor side of the permanent-magnet speed governor, institute The left side of the first final drive shaft is stated to be connected with the output shaft of the motor to be connected;And second final drive shaft, institute The left side of the second final drive shaft is stated to be connected with the driven rotor side of the permanent-magnet speed governor, the right side of second final drive shaft with The input shaft drive connection of the load to be connected;The power frequency rotating speed unit be arranged at it is described load and the motor it Between, have:3rd power transmission shaft, the left side of the 3rd power transmission shaft and the output shaft of the motor to be connected are connected, The right side of 3rd power transmission shaft and the input shaft of the load to be connected are connected;The switch unit is described for making Permanent magnetic speed-adjusting unit and the power frequency rotating speed unit switch between the load and the motor.
In equipment as described above, it is preferable that the left side of first final drive shaft and the right side of second final drive shaft Side is provided with the first socket along the axial direction of respective power transmission shaft;First socket of first final drive shaft is socketed on described The output shaft of motor, and the first socket of first final drive shaft and the output shaft of the motor are successively through the first latch Pass through, to realize the drive connection of first final drive shaft and the motor;First socket of second final drive shaft The input shaft of the load is socketed on, and the first socket of second final drive shaft and the input shaft of the load are successively through Two latches are passed through, and are connected with the input shaft for realizing second final drive shaft and the load.
In equipment as described above, it is preferable that the left side of first final drive shaft and the right side of second final drive shaft Side is socketed with gear;The output shaft transmission company for passing on left gear engagement and the motor of first final drive shaft Connect;The input shaft drive connection with the load is engaged by gear in the right side of second final drive shaft.
In equipment as described above, it is preferable that the left side and right side of the 3rd power transmission shaft are along the 3rd power transmission shaft Axial direction is provided with the second socket;Second socket in the left side of the 3rd power transmission shaft is socketed on the output of the motor Axle, and the second socket of the 3rd power transmission shaft and the output shaft of the motor pass through through the first latch successively, to realize State the drive connection of the 3rd power transmission shaft and the motor;Second socket of the 3rd power transmission shaft is socketed on the defeated of the load Enter axle, and the second socket of the 3rd power transmission shaft and the input shaft of the load are passed through through the second latch successively, to realize State the input shaft drive connection of the 3rd power transmission shaft and the load.
In equipment as described above, it is preferable that the switch unit includes:For driving the permanent magnetic speed-adjusting unit to do water Put down reciprocating first telescoping mechanism and for driving the power frequency rotating speed unit to do the second telescopic machine of horizontal reciprocating movement Structure;First telescoping mechanism and second telescoping mechanism are respectively provided with:Driver element and hook;The driver element is used for The horizontal reciprocating movement of the hook provides driving force;The base portion of the hook is connected with the telescopic end of the driver element, institute The claw for stating hook is formed with opening, to block first final drive shaft to be exercised or the second final drive shaft or the 3rd transmission Axle.
In equipment as described above, it is preferable that the permanent magnetic speed-adjusting unit also includes:Slide rail, one end of the slide rail is set The bottom of the permanent-magnet speed governor is placed in, the other end of the slide rail is extended between the load and the motor.
The embodiment of the present invention passes through having the beneficial effect that above-mentioned technical proposal is brought:
By setting permanent magnetic speed-adjusting unit, power frequency rotating speed unit and switch unit between load and motor, realize Power transmission shaft (i.e. the first final drive shaft and the second final drive shaft) the input fortune being connected under normal operating conditions with permanent-magnet speed governor OK, once permanent-magnet speed governor breaks down, by permanent-magnet speed governor off-the-line, the first final drive shaft and the second final drive shaft exit fortune OK, standby power transmission shaft (i.e. the 3rd power transmission shaft) is put into operation.Using foregoing control switching mode, even if using manually operated, Only a few minutes can just realize switching, it is to avoid operate permanent-magnet speed governor Demolition Construction etc., not only greatly save the time and Manually, be more that of avoiding unit for a long time be unable to bringing onto load operation and the economic benefit caused and social influence.
Brief description of the drawings
Fig. 1 is provided in an embodiment of the present invention a kind of by setting that load speed switches between power frequency rotating speed and permanent magnetic speed-adjusting Standby structural representation;
Fig. 2 is that a kind of motor provided in an embodiment of the present invention and the 3rd power transmission shaft are passed by the second socket and the first latch The structural representation of dynamic connection;
Fig. 3 is provided in an embodiment of the present invention another to be switched load speed between power frequency rotating speed and permanent magnetic speed-adjusting The structural representation of equipment;
In figure, symbol description is as follows:
2 motor, 3 loads, 11 permanent-magnet speed governors, 12 first final drive shafts, 13 second final drive shafts, 14 the 3rd transmissions Axle, 15 first sockets, 16 first latches, 17 second sockets, 18 second latches, 19 gears, 41 first telescoping mechanisms, 42 second are stretched Contracting mechanism.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.
Referring to Fig. 1~3, the invention provides a kind of by setting that load speed switches between power frequency rotating speed and permanent magnetic speed-adjusting Standby, it includes:Permanent magnetic speed-adjusting unit, power frequency rotating speed unit and switch unit.Permanent magnetic speed-adjusting unit and power frequency rotating speed unit are all provided with It is placed between motor 2 and load 3, convenient in order to switch, permanent magnetic speed-adjusting unit and power frequency rotating speed unit are respectively in motor 2 The axis both sides of output shaft or the input shaft of load 3.Motor 2 is operated for driving load 3, and load 3 is slewing, for example Blower fan, pump.
Specifically, permanent magnetic speed-adjusting unit has:Permanent-magnet speed governor 11, the first final drive shaft 12 and the second final drive shaft 13.Permanent-magnet speed governor 11 is used to the rotating speed of load 3 is adjusted, and does not change the rotating speed of motor during regulation, i.e., not Change the rotating speed of motor output shaft.The right side of first final drive shaft 12 is connected with the power rotor side of permanent-magnet speed governor 11, the The left side of one final drive shaft 12 and the output shaft of motor 2 to be connected are connected.The left side of second final drive shaft 13 with forever The driven rotor side connection of magnetic speed regulator 11, the right side of the second final drive shaft 13 and the input shaft transmission of load 3 to be connected connect Connect.Using when, under the driving of motor output shaft, the rotation of the first final drive shaft 12, and then drive with the first final drive shaft The power rotor side rotation of the permanent-magnet speed governor 11 of connection, then drives the driven rotor side rotation of permanent-magnet speed governor 11, so that The rotation of the second final drive shaft 13 is driven, the rotation for the load 3 being connected with the second final drive shaft 13 is realized, when to load speed When being adjusted, by the air gap for controlling permanent-magnet speed governor.Because the regulation for loading rotary speed have passed through permanent magnetic speed-adjusting The processing of device, therefore loaded work piece can be claimed in permanent magnetic speed-adjusting pattern.In practice, load is chronically at underrun, in order to Energy consumption is reduced, therefore load 3 is operated in permanent magnetic speed-adjusting pattern in normal operation.
Power frequency rotating speed unit has:3rd power transmission shaft 14, its left side and the output shaft transmission of motor 2 to be connected connect Connect, its right side and the input shaft of load 3 to be connected are connected.Using when, motor output shaft driving under, the 3rd pass Moving axis 14 rotates, so as to drive the load 3 being connected with the 3rd power transmission shaft to rotate, defeated due to load rotary speed and motor 2 Go out rotating speed consistent, therefore loaded work piece can be claimed in power frequency rotating speed pattern.
Switch unit is used to make permanent magnetic speed-adjusting unit and power frequency rotating speed unit alternatively be connected with motor 2 and load 3, with Realize that load speed switches between power frequency rotating speed and permanent magnetic speed-adjusting.Power frequency is switched to by permanent magnetic speed-adjusting below with load speed to turn The process of switching is illustrated exemplified by speed:By mobile first final drive shaft and the second final drive shaft, and then permanent magnetism is driven to adjust Fast device disengaging work, then makes the 3rd power transmission shaft put into operation, realization is supported on power frequency rotating speed mould by mobile 3rd power transmission shaft Worked under formula, power frequency rotating speed is switched to by permanent magnetic speed-adjusting so as to realize.Power frequency rotating speed switch to the operating process of permanent magnetic speed-adjusting with Aforementioned operation process is on the contrary, this is no longer going to repeat them.
When loading 3 underload, by the way that permanent-magnet speed governor 11, the first final drive shaft 12 and the second final drive shaft 13 are put into Operation, makes loaded work piece in permanent magnetic speed-adjusting pattern, now, the rotating speed of motor 2 is reduced, so as to reduce energy consumption.In permanent magnetism After speed regulator 11 breaks down, motor 2 is stopped transport, and off-the-line permanent magnetism permanent magnetism device 11, the 3rd power transmission shaft 14 is put into operation, made Loaded work piece is in power frequency rotating speed pattern, now, it is to avoid after permanent-magnet speed governor 11 breaks down, and the long-time of motor 2 can not Economic benefit reduction and bad social influence that bringing onto load 3 runs and caused.
The drive connection of drive connection and second final drive shaft 13 and load of first final drive shaft 12 with motor 2 can To be:The left side of first final drive shaft 12 and the right side of the second final drive shaft 13 are provided with along the axial direction of respective power transmission shaft First socket 15;First socket 15 of the first final drive shaft 12 is socketed on the output shaft of motor 2, and the first final drive shaft 12 The output shaft of first socket 15 and motor 2 is passed through through the first latch 16 successively, to realize the first final drive shaft 12 and motor 2 Drive connection;First socket 15 of the second final drive shaft 13 is socketed on the input shaft of load 3, and the of the second final drive shaft 13 One socket 15 and the input shaft of load 3 are passed through through the second latch 18 successively, to realize the input of the second final drive shaft 13 and load 3 Axle is connected.In order to improve the intensity and fingerprinting stress of socket, the first socket 15, the second following sockets 17 material it is preferred For 3Cr13 stainless steels.First socket 15, the second following sockets 17 are preferably cylindrical.
Drive connection and second final drive shaft 13 and the drive connection of load of first final drive shaft 12 with motor 2 Can be:The left side of first final drive shaft 12 and the right side of the second final drive shaft 13 are socketed with gear 19, the output of motor Axle and the input shaft of load are also socketed with gear, the output shaft for passing on left gear engagement and motor 2 of the first final drive shaft Drive connection;The input shaft that the right side of second final drive shaft 13 is engaged with loading 3 by gear is connected, and can so realize Permanent magnetic speed-adjusting unit quickly puts into operation, and avoids on the first final drive shaft and the second final drive shaft brought by longtime running Socket to the high request of the strength of materials, that is, require that the strength of materials is high.
The both sides (i.e. left side and right side) of 3rd power transmission shaft 14 are each provided with the second socket 17 along its axial direction;3rd passes Second socket 17 in the left side of moving axis 14 is socketed on the output shaft of motor 2, and the second socket 17 and electricity of the 3rd power transmission shaft 14 The output shaft of motivation 2 is passed through through the first latch 16 successively, to realize the drive connection of the 3rd power transmission shaft 14 and motor 2;3rd Second socket 17 of power transmission shaft 14 is socketed on the input shaft of load 3, and the 3rd power transmission shaft 14 the second socket 17 and load 3 it is defeated Enter axle to pass through through the second latch 18 successively, be connected with the input shaft for realizing the 3rd power transmission shaft 14 and load 3.
Referring to Fig. 1, in order to strengthen the first final drive shaft 12, the second final drive shaft 13, the 3rd power transmission shaft 14 and load 3 or electricity Power is gearing between motivation 2, and the axial direction of the first latch 16 and the second latch 18 is each perpendicular to the first final drive shaft, The axial direction of two final drive shafts and the 3rd power transmission shaft.First latch 16 and the second latch 18 are fixed on the first socket 15 or the second socket Between 17, power transmission shaft 14 can rotate when realizing motor rotation, so as to be rotated with dynamic load 3.
Equipment also includes slide rail, and one end of slide rail is arranged at the bottom of permanent-magnet speed governor 11, and the other end of slide rail is extended to Between load 3 and motor 2, so that when moving to permanent-magnet speed governor between load and motor, guiding is provided for its movement, from And realize the quick in place of permanent-magnet speed governor.
Switch unit includes the first telescoping mechanism 41 and the second telescoping mechanism 42, and the first telescoping mechanism 41 is used to drive permanent magnetism Speed adjustment unit does horizontal reciprocating movement, and the second telescoping mechanism 42 is used to drive power frequency rotating speed unit to do horizontal reciprocating movement.First The telescoping mechanism 42 of telescoping mechanism 41 and second is respectively provided with:Driver element and hook.Driver element is used for the horizontal reciprocating for hook Motion provides driving force, such as cylinder, screw feeding device.The base portion of hook and the telescopic end of driver element are connected, hook Claw is formed with opening, and it is used to block the first final drive shaft or the second final drive shaft or the 3rd power transmission shaft to drive corresponding biography Moving axis is moved.It is preferred that the quantity of the hook of the first telescoping mechanism is two, one-to-one corresponding blocks the first final drive shaft and the second master Power transmission shaft, while driving the first final drive shaft and the motion of the second final drive shaft.
Process to switching so that load speed is switched to power frequency rotating speed by permanent magnetic speed-adjusting as an example is described in detail:First stretches The hook of contracting mechanism stretches out, and its claw blocks the first final drive shaft or the second final drive shaft of permanent magnetic speed-adjusting unit, stretched first Under the driving of the driver element of contracting mechanism, telescopic end drives hook to retract, and realizes permanent magnetic speed-adjusting unit away from load and motor, Put into operation for power frequency rotating speed unit and space is provided, then, the claw of the hook of the second telescoping mechanism blocks power frequency rotating speed unit The 3rd power transmission shaft, under the driving of the driver element of the second telescoping mechanism 42, telescopic end drive hook stretch out, realize power frequency turn Fast unit enters between load 3 and motor 2, and then the claw of hook unclamps the 3rd power transmission shaft, under the driving of driver element Retract, then power frequency rotating speed unit is connected with load 3 and motor 2 respectively, realize that power frequency rotating speed unit puts into operation.At other Embodiment in, the first telescoping mechanism and the second telescoping mechanism can also include lifting unit, be arranged at the bottom of driver element, For driving driver element to be moved reciprocatingly in vertical direction.
In summary, what the embodiment of the present invention was brought has the beneficial effect that:
By setting permanent magnetic speed-adjusting unit, power frequency rotating speed unit and switch unit between load and motor, realize Power transmission shaft (i.e. the first final drive shaft and the second final drive shaft) the input fortune being connected under normal operating conditions with permanent-magnet speed governor OK, once permanent-magnet speed governor breaks down, by permanent-magnet speed governor off-the-line, standby power transmission shaft (i.e. the 3rd power transmission shaft) is put into operation. Using foregoing control switching mode, even if using manually operated, also only a few minutes can just realize switching, although fail to realize and exist Line switches, but is that of avoiding the operation such as permanent-magnet speed governor Demolition Construction, not only greatlys save the time and artificial, even more avoids Unit is unable to bringing onto load operation and the economic benefit caused and social influence for a long time.
As known by the technical knowledge, the present invention can be by the embodiment party of other essence or essential feature without departing from its spirit Case is realized.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.

Claims (4)

1. a kind of equipment for switching load speed between power frequency rotating speed and permanent magnetic speed-adjusting, it is characterised in that the equipment bag Include:Permanent magnetic speed-adjusting unit, power frequency rotating speed unit and switch unit;
The permanent magnetic speed-adjusting unit is arranged at the load and provided for the load rotation between the motor of driving source, has Have:
Permanent-magnet speed governor, is adjusted for the rotating speed to load;
First final drive shaft, the right side of first final drive shaft is connected with the power rotor side of the permanent-magnet speed governor, described The left side of first final drive shaft and the output shaft of the motor to be connected are connected;And
Second final drive shaft, the left side of second final drive shaft is connected with the driven rotor side of the permanent-magnet speed governor, described The right side of second final drive shaft and the input shaft of the load to be connected are connected;
The power frequency rotating speed unit is arranged between the load and the motor, is had:
3rd power transmission shaft, the left side of the 3rd power transmission shaft and the output shaft of the motor to be connected are connected, described The right side of 3rd power transmission shaft and the input shaft of the load to be connected are connected;
The switch unit is used to make the permanent magnetic speed-adjusting unit and the power frequency rotating speed unit load and described electronic described Switch between machine;
The left side of first final drive shaft and the right side of second final drive shaft are set along the axial direction of respective power transmission shaft It is equipped with the first socket;
First socket of first final drive shaft is socketed on the output shaft of the motor, and the of first final drive shaft The output shaft of one socket and the motor is passed through through the first latch successively, to realize first final drive shaft and described electronic The drive connection of machine;
First socket of second final drive shaft is socketed on the input shaft of the load, and the first of second final drive shaft Socket and the input shaft of the load are passed through through the second latch successively, to realize the defeated of second final drive shaft and the load Enter axle drive connection;
The left side of first final drive shaft and the right side of second final drive shaft are socketed with gear;
The gear engagement that passes on left of first final drive shaft is connected with the output shaft of the motor;
The input shaft drive connection with the load is engaged by gear in the right side of second final drive shaft.
2. equipment according to claim 1, it is characterised in that the left side and right side of the 3rd power transmission shaft are along the described 3rd The axial direction of power transmission shaft is provided with the second socket;
Second socket in the left side of the 3rd power transmission shaft is socketed on the output shaft of the motor, and the 3rd power transmission shaft The output shaft of second socket and the motor is passed through through the first latch successively, to realize the 3rd power transmission shaft and described electronic The drive connection of machine;
Second socket of the 3rd power transmission shaft is socketed on the input shaft of the load, and the second socket of the 3rd power transmission shaft Pass through, passed with the input shaft for realizing the 3rd power transmission shaft and the load through the second latch successively with the input shaft of the load Dynamic connection.
3. equipment according to claim 1, it is characterised in that the switch unit includes:For driving the permanent magnetism to adjust Fast unit does the first telescoping mechanism of horizontal reciprocating movement and for driving the power frequency rotating speed unit to do horizontal reciprocating movement Second telescoping mechanism;
First telescoping mechanism and second telescoping mechanism are respectively provided with:Driver element and hook;
The driver element is used to provide driving force for the horizontal reciprocating movement of the hook;
The base portion of the hook is connected with the telescopic end of the driver element, and the claw of the hook is formed with opening, to block First final drive shaft to be exercised or the second final drive shaft or the 3rd power transmission shaft.
4. equipment according to claim 1, it is characterised in that the permanent magnetic speed-adjusting unit also includes:Slide rail, the slide rail One end be arranged at the bottom of the permanent-magnet speed governor, the other end of the slide rail extend to the load and the motor it Between.
CN201510413669.8A 2015-07-14 2015-07-14 The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting Active CN105048767B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510413669.8A CN105048767B (en) 2015-07-14 2015-07-14 The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting
CN201710485885.2A CN107302283B (en) 2015-07-14 2015-07-14 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency revolving speed unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510413669.8A CN105048767B (en) 2015-07-14 2015-07-14 The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201710485885.2A Division CN107302283B (en) 2015-07-14 2015-07-14 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency revolving speed unit

Publications (2)

Publication Number Publication Date
CN105048767A CN105048767A (en) 2015-11-11
CN105048767B true CN105048767B (en) 2017-08-08

Family

ID=54455055

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201710485885.2A Active CN107302283B (en) 2015-07-14 2015-07-14 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency revolving speed unit
CN201510413669.8A Active CN105048767B (en) 2015-07-14 2015-07-14 The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201710485885.2A Active CN107302283B (en) 2015-07-14 2015-07-14 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency revolving speed unit

Country Status (1)

Country Link
CN (2) CN107302283B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107302283A (en) * 2015-07-14 2017-10-27 国电龙源节能技术有限公司 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency rotating speed unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111593442B (en) * 2020-06-01 2021-09-14 嵊州市科隆自动化设备有限公司 Two-for-one twister with automatic broken yarn braking function

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005076654A (en) * 2003-08-29 2005-03-24 Isuzu Motors Ltd Transmission device
CN102751845B (en) * 2012-07-09 2014-04-09 上海锅炉厂有限公司 Transmission system of rotary-type heat exchanger
CN104467360A (en) * 2013-09-13 2015-03-25 天津永磁节能科技有限公司 Permanent magnetic speed regulator with brake function
CN204392066U (en) * 2015-02-06 2015-06-10 磁谷科技(集团)有限公司 Based on the standby usage motor automatic moving type switching device shifter of permanent magnet transmission technology
CN107302283B (en) * 2015-07-14 2019-05-17 国电龙源节能技术有限公司 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency revolving speed unit
CN204993020U (en) * 2015-07-14 2016-01-20 国电龙源节能技术有限公司 Equipment that switches load speed between power frequency rotational speed and permanent magnetism speed governing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107302283A (en) * 2015-07-14 2017-10-27 国电龙源节能技术有限公司 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency rotating speed unit
CN107302283B (en) * 2015-07-14 2019-05-17 国电龙源节能技术有限公司 Load speed switching equipment including permanent magnetic speed-adjusting unit and power frequency revolving speed unit

Also Published As

Publication number Publication date
CN107302283A (en) 2017-10-27
CN107302283B (en) 2019-05-17
CN105048767A (en) 2015-11-11

Similar Documents

Publication Publication Date Title
CN105048767B (en) The equipment that load speed is switched between power frequency rotating speed and permanent magnetic speed-adjusting
WO2016197283A1 (en) Ventilation device with contra-rotating impellers driven by long shaft
CN108584763A (en) A kind of cargo lifting device
CN108674980A (en) A kind of steel plate processing equipment hand
CN202609844U (en) Built-in electric winch
CN204993020U (en) Equipment that switches load speed between power frequency rotational speed and permanent magnetism speed governing
CN109488581A (en) The mutual balanced linear drive pumping unit control system of one machine twin-well and oil rig
KR20100084556A (en) Control of heavy machines
CN201925436U (en) Energy-saving device for textile machine
CN204436762U (en) A kind of concrete electric pump with frequency control of motor speed function
CN206606649U (en) A kind of changeable conveyer of power
CN101222162A (en) Permanent magnetic synchronous arm rest lift traction machine
CN202130919U (en) Cable-former take-up stand driven by double motors
CN203879780U (en) Fan control circuit
CN203888789U (en) Auxiliary transmission system of high-power electric transmission heavy track car
CN102969946A (en) Starting method of high load motor
CN201711192U (en) Center driving ball mill
KR20160130800A (en) Lifting/skidding device with a permanent magnet synchronous motor
CN204716888U (en) A kind of traveller classification drive device
CN205061446U (en) Safe aggregate unit
CN201779043U (en) Motor direct-drive high-speed centrifugal drum pressure fan
CN204311221U (en) A kind of micro servo motor direct drive sewing machine
CN220596841U (en) Emergency security device for lifting/pitching mechanism of port lifting loading and unloading equipment
CN102979877A (en) Energy-saving transmission device
CN208561444U (en) A kind of direct-connected shackle hook component

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 102200 room 5413, building 305, Guodian New Energy Technology Research Institute, future science city, Beiqijia Town, Changping District, Beijing

Patentee after: Guoneng Longyuan Lantian Energy Saving Technology Co.,Ltd.

Address before: Room 1205, building 1, courtyard 16, Middle West Fourth Ring Road, Haidian District, Beijing 100039

Patentee before: GUODIAN LONGYUAN ENERGY SAVING TECHNOLOGY Co.,Ltd.