CN108249328A - The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives - Google Patents
The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives Download PDFInfo
- Publication number
- CN108249328A CN108249328A CN201810097429.5A CN201810097429A CN108249328A CN 108249328 A CN108249328 A CN 108249328A CN 201810097429 A CN201810097429 A CN 201810097429A CN 108249328 A CN108249328 A CN 108249328A
- Authority
- CN
- China
- Prior art keywords
- rotary shaft
- stator
- synchronous motor
- permanent magnet
- magnet synchronous
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- 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
Abstract
The present invention discloses the tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives, and the tower crane rotating device includes pedestal, rotary shaft and platform base；The platform base is fixedly mounted in the rotary shaft, and the rotary shaft is fixed on by bearing in the pedestal, and the rotary shaft is directly driven by no frame permanent magnet synchronous motor.The present invention provides the tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives, and the tower crane rotating device reduces intermediate transmission component, simple in structure, transmission efficiency.
Description
Technical field
The present invention relates to Workpiece machining apparatus technical field, tower that more particularly to a kind of no frame permanent magnet synchronous motor directly drives
Hang rotating device.
Background technology
Tower crane is most common a kind of lifting equipment on construction site, is called derrick crane, and steel is used to obtain for hanging construction
The equipment of the construction raw material such as muscle, wood stupefied, scaffold tubes, is a kind of essential equipment in construction site.The function of tower crane is to hold
By the upper load that arm support drawstring and counter-jib drawstring transmit, and pass through turn round pylon, turntable, bearing etc. structure member formula it is straight
It connected turntable and passes to tower body structure.The rotating device of wherein tower crane is mostly important position, needs to undertake rotation, radial direction
And axial load.
Tower crane rotating device type is more and more at present, and function is more and more perfect, and structure is also to become increasingly complex, but it drives
Dynamic device is generally still to be formed using transmission devices such as motor gear and connecting rods, and the intermediate link of transmission is more, the efficiency of transmission
It is larger with loss of significance, simultaneously because the increase of the quantity of transmission parts, performance are affected, also cause to design, manufacture and fill
The difficulty matched increases, the increase of cost.
Invention content
In order to solve the problems in the prior art, the purpose of the present invention is to provide what a kind of no frame permanent magnet synchronous motor directly drove
Tower crane rotating device, the tower crane rotating device reduce intermediate transmission component, simple in structure, transmission efficiency.
To achieve the above object, the technical solution adopted by the present invention is：
The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives, the tower crane rotating device include pedestal, rotation
Shaft and platform base；The platform base is fixedly mounted in the rotary shaft, and the rotary shaft is fixed on the bottom by bearing
In seat, the rotary shaft is directly driven by no frame permanent magnet synchronous motor, and the no frame permanent magnet synchronous motor includes stator pack
Part and rotor assembly；The stator module is fixedly installed on the pedestal, and rotating excitation field is provided for the rotor assembly；Have
The rotor assembly of magnetic property is fixedly installed in the rotary shaft；
Wherein, the stator module includes stator core and the stator winding being wrapped in the stator core, described
Stator core is in be integrally machined molding circular cylindrical structure or ring discoid structure.
Preferably, the rotary shaft is equipped with fixed step；The bearing is placed in the fixed step both ends, and by setting
It is fixed in the pedestal in the support level of the pedestal lower end and the gland of upper end；The pedestal upper port is equipped with adaptation institute
State the seam allowance of gland；It is intended that the fixation step set in the rotary shaft, which can improve the rotary shaft, undertakes axial direction
The ability of load, the bearing that can be also opposite to both sides play the role of positioning, convenient for the accuracy of rotary shaft when mounted；It is described
The support level of pedestal lower end can provide strong support when bearing huge axial load for the bearing, make equipment dependability
Higher；The design of the seam allowance, was both easily installed, and improved labor efficiency, and the accuracy of the installation improved, prevented rotary shaft from pacifying
The offset of holding position
Preferably, the rotor assembly is magnet steel substrate, and the magnet steel substrate is distributed in institute around the rotary shaft axial line
It states in rotary shaft；It is intended that rotor assembly and rotary shaft are combined together, reduce motor component composition, make motor knot
Structure is simpler, and cost-effective；The rotary shaft can provide an installation form for magnet steel substrate, described in assembling
Rotary shaft can assemble completion in advance with magnet steel substrate, and the installation procedure of next step is entered as an entirety, easy for installation, carry
High installation effectiveness.
It is further preferred that the rotary shaft is hollow cylinder structure, it is intended that the hollow design was both saved
Material utilization amount, alleviates the weight of the rotary shaft, it is the electricity for overcoming itself rotor weight and additionally consuming to reduce motor
Can, while the contact area of the rotor pedestal and outside air is also increased, heat dissipation effect is increased, ensures equipment operation
Stability.
Preferably, the magnet steel substrate is placed in bottom side of the wall and/or the end face of the rotary shaft, it is intended that convenient
Dismounting, replacement to motor.
Preferably, the stator module has further included stator base；The stator base is fixedly installed in the motor peace
It fills on seat；The stator core is fixedly installed in the stator base；It is intended that the stator base can be stator
Iron core provides an installation form, and in assembling, the stator base can assemble completion in advance with stator core, as one
The whole installation procedure for entering next step, it is easy for installation, improve installation effectiveness.
Preferably, capping structure, top end cover outer rim are equipped with installation step to the stator base in a ring；The stator iron
The heart is placed in side wall and/or the end face of the stator base；It is intended that the stator base of capping structure is institute in a ring
The diversity that stator core provides installation site is stated, the stator core can be that circular cylindrical structure is fixed on side wall,
Can be that ring discoid structure is fixed on end face, the corresponding magnet steel substrate.
Preferably, the stator module is equipped with bosh；It is intended that the stator module is that electric power is needed to produce
The magnetic field of raw rotation while rotating excitation field is tested and the rotation of the gear shaft, can supervene a large amount of heat,
The normal operation of equipment is influenced, the cooling unit can quickly take away heat, ensure the stable of equipment.
Preferably, the stator module be equipped with stop mechanism, the stop mechanism include magnetic force generator, arresting lever and
Resetting spring；The arresting lever is placed among the magnetic force generator, and end is equipped with arc stop rack；The resetting spring is put
Between the magnetic force generator and the arresting lever；The rotary shaft is equipped with the stop tooth for being adapted to the arc stop rack
Wheel construction；It is intended that the stop performance of the situation realization tower crane rotating device in power-off, prevents in strong wind weather
When, the tower crane rotating device rotates under the action of the forces of the wind, causes safety accident, and it is safer to be that equipment uses.
Preferably, the no frame permanent magnet synchronous motor includes encoder, the encoder include code-disc and with it is described
The magnetic strength element of code-disc flexible connection, the code-disc and magnetic strength element are separately fixedly installed in the rotary shaft and the stator pack
On part；It is intended that providing servo-control system for the no frame permanent magnet synchronous motor, motor closed-loop vector control is realized
System, realization rotor speed and position are precisely controlled.
Compared with prior art, the beneficial effects of the invention are as follows：1st, using no frame permanent magnet synchronous motor as nut
Driving motor, directly with rotating axis connection, motor stator is looped around around rotor rotor, is fixed on motor mount
On, to reduce the driving intermediate link such as gear, reduction box, the type of drive of equipment and the structure type of equipment are simplified, is improved
Drive efficiency reduces the loss of the energy；2nd, the mode directly driven substantially reduces the volume of equipment, alleviates weight of equipment；3rd, forever
The advantages of drive form of magnetic-synchro electric-machine directly-driven has fast response time, and control accuracy is high；4th, magnet steel substrate is directly installed on
In rotary shaft, motor and rotary shaft are combined together, simplify device structure, makes equipment lighter.
Description of the drawings
Fig. 1 is the structure of tower crane rotating mechanism that a kind of no frame permanent magnet synchronous motor described in the embodiment of the present invention one directly drives
Schematic diagram；
Fig. 2 is the structure diagram of stop mechanism of the present invention；
Fig. 3 is the structure diagram of magnet steel substrate one of the present invention；
Fig. 4 is the structure diagram of stator core one of the present invention；
Fig. 5 is the structure of tower crane rotating mechanism that a kind of no frame permanent magnet synchronous motor described in the embodiment of the present invention two directly drives
Schematic diagram；
Fig. 6 is the structure diagram of magnet steel substrate two of the present invention；
Fig. 7 is the structure diagram of stator core two of the present invention；
Fig. 8 is the structure of tower crane rotating mechanism that a kind of no frame permanent magnet synchronous motor described in the embodiment of the present invention three directly drives
Schematic diagram；
In figure：1st, pedestal；11st, support level；12nd, seam allowance；2nd, rotary shaft；21st, fixed step；22nd, gear hole；3rd, platform
Seat；4th, bearing；5th, gland；6th, stator module；61st, stator base；62nd, stator core one；63rd, stator core two；7th, rotor set
Part；71st, magnet steel substrate one；72nd, magnet steel substrate two；8th, encoder；81st, code-disc；82nd, magnetic strength element；9th, stop mechanism；91st, magnetic
Forcer；92nd, arresting lever；93rd, resetting spring；10th, bosh.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical scheme of the present invention is clearly and completely described, it is clear that
Described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, all other embodiment that those of ordinary skill in the art are obtained under the conditions of creative work is not made belong to
The scope of protection of the invention.
Embodiment one
As shown in Figs. 1-3, the tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives, the tower crane rotating device
Including pedestal 1, rotary shaft 2 and platform base 3；The platform base 3 is fixedly mounted in the rotary shaft 2, and the rotary shaft 2 passes through
Bearing 4 is fixed in the pedestal 1, and the rotary shaft 2 is directly driven by no frame permanent magnet synchronous motor, the no frame permanent magnetism
Synchronous motor includes stator module 6 and rotor assembly 7；The stator module 6 is fixedly installed on the pedestal 1, is turned to be described
Sub-component 7 provides rotating excitation field；The rotor assembly 7 with magnetic property is fixedly installed in the rotary shaft 2；
Wherein, the stator module 6 includes stator core 1 and the stator being wrapped in the stator core 1
Winding, the stator core 1 are in be integrally machined molding circular cylindrical structure.
As the preferred of the present embodiment, the rotary shaft 2 is equipped with fixed step 21；The bearing 4 is placed in the fixation
21 both ends of step, and be fixed in the pedestal 1 by being arranged on the support level 11 of the pedestal lower end and the gland 5 of upper end；
1 upper port of pedestal is equipped with the seam allowance 12 for being adapted to the gland；The rotor assembly 7 be magnet steel substrate 1, the magnet steel
Substrate 1 is distributed in around 2 axial line of rotary shaft in the rotary shaft 2；It is further preferred that the rotary shaft 2 is hollow
Cylindrical structure；The magnet steel substrate 1 is in fan-shaped arc structure, is distributed in the bottom side of the wall of the rotary shaft 2；The stator
Component 6 has further included stator base 61；The stator base 61 is fixedly installed in the pedestal；The stator core 1 is solid
Dingan County is loaded in the stator base 61；Further, capping structure, top end cover outer rim are set the stator base 61 in a ring
There is installation step；The stator core 1 is placed in 61 side wall of stator base, corresponding with the magnet steel substrate 1；Institute
Stator base is stated equipped with bosh 10；Installation step is equipped at 61 center of stator base, the step is equipped with only
Motivation structure 9, the stop mechanism include magnetic force generator 91, arresting lever 92 and resetting spring 93；The arresting lever 92 is placed in institute
Among stating magnetic force generator 91, end is equipped with arc stop rack；The resetting spring 93 be placed in the magnetic force generator 91 with
Between the arresting lever 92；Gear hole 22 is provided at the 2 lower end surface center of rotary shaft, the gear hole 22 is adapted to the arc
Shape stop rack；Further, the no frame permanent magnet synchronous motor includes encoder 8, the encoder 8 include code-disc 81 and
The magnetic strength element 82 being flexibly connected with the code-disc, the code-disc 81 and magnetic strength element 82 are separately fixedly installed in the sliding tooth
At wheel shaft lower edge and in the stator base 61.
After energization, the magnetic force generator 91 generates electromagnetic force, and 92 drawing of arresting lever is detached from the gear hole
22,；The stator core 1 provides the magnetic field radially rotated for the magnet steel substrate 1, promotes the stator
Component 6 and rotor assembly 7 provide the torque rotated around 2 axial line of rotary shaft for the rotary shaft 2, directly drive the rotation
Shaft 2 rotates；During power-off, the magnetic force generator 91 loses electromagnetic force, and the arresting lever 92 is under the action of resetting spring 93
It is engaged with the gear hole 22, realizes stopping function.
Embodiment two
As illustrated in figs. 5-7, the tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives, the tower crane rotating device
Including pedestal 1, rotary shaft 2 and platform base 3；The platform base 3 is fixedly mounted in the rotary shaft 2, and the rotary shaft 2 passes through
Bearing 4 is fixed in the pedestal 1, and the rotary shaft 2 is directly driven by no frame permanent magnet synchronous motor, the no frame permanent magnetism
Synchronous motor includes stator module 6 and rotor assembly 7；The stator module 6 is fixedly installed on the pedestal 1, is turned to be described
Sub-component 7 provides rotating excitation field；The rotor assembly 7 with magnetic property is fixedly installed in the rotary shaft 2；
Wherein, the stator module 6 includes stator core 2 63 and the stator being wrapped in the stator core 2 63
Winding, the stator core 2 63 are in be integrally machined molding ring discoid structure.
As the preferred of the present embodiment, the rotary shaft 2 is equipped with fixed step 21；The bearing 4 is placed in the fixation
21 both ends of step, and be fixed in the pedestal 1 by being arranged on the support level 11 of the pedestal lower end and the gland 5 of upper end；
1 upper port of pedestal is equipped with the seam allowance 12 for being adapted to the gland；The rotor assembly 7 be magnet steel substrate 2 72, the magnet steel
Substrate 2 72 is distributed in around 2 axial line of rotary shaft in the rotary shaft 2；It is further preferred that the rotary shaft 2 is hollow
Cylindrical structure；The magnet steel substrate 2 72 is in fan-shaped disk-like structure, is distributed in the lower end surface of the rotary shaft 2；The stator
Component 6 has further included stator base 61；The stator base 61 is fixedly installed in the pedestal；The stator core 2 63 is solid
Dingan County is loaded in the stator base 61；Further, capping structure, top end cover outer rim are set the stator base 61 in a ring
There is installation step；The stator core 2 63 is placed in 61 end face of stator base, corresponding with the magnet steel substrate 2 72；Institute
Stator base is stated equipped with bosh 10；Installation step is equipped at 61 center of stator base, the step is equipped with only
Motivation structure 9, the stop mechanism include magnetic force generator 91, arresting lever 92 and resetting spring 93；The arresting lever 92 is placed in institute
Among stating magnetic force generator 91, end is equipped with arc stop rack；The resetting spring 93 be placed in the magnetic force generator 91 with
Between the arresting lever 92；Gear hole 22 is provided at the 2 lower end surface center of rotary shaft, the gear hole 22 is adapted to the arc
Shape stop rack；Further, the no frame permanent magnet synchronous motor includes encoder 8, the encoder 8 include code-disc 81 and
The magnetic strength element 82 being flexibly connected with the code-disc, the code-disc 81 and magnetic strength element 82 are separately fixedly installed in the sliding tooth
At wheel shaft lower edge and in the stator base 61.
After energization, the magnetic force generator 91 generates electromagnetic force, and 92 drawing of arresting lever is detached from the gear hole
22,；The stator core 2 63 provides the magnetic field that an axis rotates up for the magnet steel substrate 2 72, promotes the stator
Component 6 and rotor assembly 7 provide the torque rotated around 2 axial line of rotary shaft for the rotary shaft 2, directly drive the rotation
Shaft 2 rotates；During power-off, the magnetic force generator 91 loses electromagnetic force, and the arresting lever 92 is under the action of resetting spring 93
It is engaged with the gear hole 22, realizes stopping function.
Embodiment three
As shown in figure 8, the tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives, the tower crane rotating device packet
Include pedestal 1, rotary shaft 2 and platform base 3；The platform base 3 is fixedly mounted in the rotary shaft 2, and the rotary shaft 2 passes through axis
It holds 4 to be fixed in the pedestal 1, the rotary shaft 2 is directly driven by no frame permanent magnet synchronous motor, and the no frame permanent magnetism is same
It walks motor and includes stator module 6 and rotor assembly 7；The stator module 6 is fixedly installed on the pedestal 1, is the rotor
Component 7 provides rotating excitation field；The rotor assembly 7 with magnetic property is fixedly installed in the rotary shaft 2；
Wherein, the stator module 6 includes stator core 1 and stator core 2 63, the stator core 1 and
Stator core 2 63 is respectively wound with stator winding；The stator core 1 is in be integrally machined molding circular cylindrical structure,
The stator core 2 63 is in be integrally machined molding ring discoid structure.
As the preferred of the present embodiment, the rotary shaft 2 is equipped with fixed step 21；The bearing 4 is placed in the fixation
21 both ends of step, and be fixed in the pedestal 1 by being arranged on the support level 11 of the pedestal lower end and the gland 5 of upper end；
1 upper port of pedestal is equipped with the seam allowance 12 for being adapted to the gland；The rotor assembly 7 includes magnet steel substrate 1 and magnet steel
Substrate 2 72, the magnet steel substrate 1 and magnet steel substrate 2 72 are distributed in the rotary shaft 2 around 2 axial line of rotary shaft
On；It is further preferred that the rotary shaft 2 is hollow cylinder structure；The magnet steel substrate 1 is in fan-shaped arc structure, uniformly distributed
In the bottom side of the wall of the rotary shaft 2；The magnet steel substrate 2 72 is in fan-shaped disk-like structure, is distributed under the rotary shaft 2
Hold end-face wall；The stator module 6 has further included stator base 61；The stator base 61 is fixedly installed in the pedestal；
The stator core 1 and stator core 2 63 are fixedly installed in the stator base 61；Further, the stator base
Capping structure, top end cover outer rim are equipped with installation step to seat 61 in a ring；The stator core 1 is placed in the stator base
61 side walls, it is corresponding with the magnet steel substrate 1；The stator core 2 63 is placed in 61 end face of stator base, and described
Magnet steel substrate 2 72 is corresponding；The stator base is equipped with bosh 10；Installation is equipped at 61 center of stator base
Step, the step are equipped with stop mechanism 9, and the stop mechanism includes magnetic force generator 91, arresting lever 92 and resetting spring
93；The arresting lever 92 is placed among the magnetic force generator 91, and end is equipped with arc stop rack；The resetting spring 93 is put
Between the magnetic force generator 91 and the arresting lever 92；Gear hole 22, institute are provided at the 2 lower end surface center of rotary shaft
It states gear hole 22 and is adapted to the arc stop rack；Further, the no frame permanent magnet synchronous motor includes encoder 8, institute
It states encoder 8 and includes code-disc 81 and the magnetic strength element 82 being flexibly connected with the code-disc, the code-disc 81 and magnetic strength element 82 divide
It opens and is fixedly installed at the gear shaft lower edge and in the stator base 61.
After energization, the magnetic force generator 91 generates electromagnetic force, and 92 drawing of arresting lever is detached from the gear hole
22,；The stator core 1 provides the magnetic field radially rotated, the stator iron for the magnet steel substrate 1
The heart 2 63 provides the magnetic field that an axis rotates up for the magnet steel substrate 2 72, promotes the stator module 6 and rotor jointly
Component 7 provides the torque rotated around 2 axial line of rotary shaft for the rotary shaft 2, directly drives the rotary shaft 2 and rotates；
During power-off, the magnetic force generator 91 loses electromagnetic force, the arresting lever 92 under the action of resetting spring 93 with the gear
Hole 22 is engaged, and realizes stopping function.
It should be pointed out that the stator base 61 can be an integral molding structure, the form of combination can also be used.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives, the tower crane rotating device includes pedestal, rotation
Axis and platform base；It is characterized in that:The platform base is fixedly mounted in the rotary shaft, and the rotary shaft is fixed by bearing
In the pedestal, the rotary shaft is directly driven by no frame permanent magnet synchronous motor, the no frame permanent magnet synchronous motor packet
Include stator module and rotor assembly；The stator module is fixedly installed on the pedestal, and rotation is provided for the rotor assembly
Magnetic field；The rotor assembly with magnetic property is fixedly installed in the rotary shaft；
Wherein, the stator module includes stator core and the stator winding being wrapped in the stator core, the stator
Iron core is in be integrally machined molding circular cylindrical structure or ring discoid structure.
2. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The rotary shaft is equipped with fixed step；The bearing is placed in the fixed step both ends, and by being arranged on the pedestal lower end
Support level and the gland of upper end be fixed in the pedestal；The pedestal upper port is equipped with the seam allowance for being adapted to the gland.
3. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The rotor assembly is magnet steel substrate, and the magnet steel substrate is distributed in around the rotary shaft axial line in the rotary shaft.
4. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The rotary shaft is hollow cylinder structure.
5. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 3 directly drives, which is characterized in that
The magnet steel substrate is placed in bottom side of the wall and/or the end face of the rotary shaft.
6. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The stator module has further included stator base；The stator base is fixedly installed in the pedestal；The stator core is consolidated
Dingan County is loaded in the stator base.
7. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 6 directly drives, which is characterized in that
Capping structure, top end cover outer rim are equipped with installation step to the stator base in a ring；The stator core is placed in the stator
The side wall of pedestal and/or end face.
8. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The stator module is equipped with bosh.
9. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The stator module is equipped with stop mechanism, and the stop mechanism includes magnetic force generator, arresting lever and resetting spring；It is described to stop
Lever is placed among the magnetic force generator, and end is equipped with arc stop rack；The resetting spring is placed in the magnetic force and occurs
Between device and the arresting lever；The rotary shaft is equipped with the stopping gear structure for being adapted to the arc stop rack.
10. the tower crane rotating device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, feature exist
In the no frame permanent magnet synchronous motor includes encoder, and the encoder includes code-disc and is flexibly connected with the code-disc
Magnetic strength element, the code-disc and magnetic strength element are separately fixedly installed on the rotary shaft and the stator module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810097429.5A CN108249328A (en) | 2018-01-31 | 2018-01-31 | The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810097429.5A CN108249328A (en) | 2018-01-31 | 2018-01-31 | The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108249328A true CN108249328A (en) | 2018-07-06 |
Family
ID=62742407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810097429.5A Pending CN108249328A (en) | 2018-01-31 | 2018-01-31 | The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives |
Country Status (1)
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| CN (1) | CN108249328A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2817196Y (en) * | 2005-08-24 | 2006-09-13 | 周勇 | Electromagnetic driving rotary seat ring |
| CN203474327U (en) * | 2013-07-01 | 2014-03-12 | 国家电网公司 | Crane base |
| CN204416866U (en) * | 2014-12-26 | 2015-06-24 | 浙江西子富沃德电机有限公司 | A kind of permanent-magnet synchnorous gearless dragging machine |
| CN104907583A (en) * | 2015-05-25 | 2015-09-16 | 黄琦恒 | Numerical control horizontal lathe directly driven by linear motors |
| CN105143091A (en) * | 2012-12-31 | 2015-12-09 | Imo控股有限责任公司 | Drive mechanism for rotatably coupling a system part or a machine part |
| CN106026592A (en) * | 2016-07-05 | 2016-10-12 | 肖红 | Frameless combined type permanent magnet synchronous motor |
| CN207973429U (en) * | 2018-01-31 | 2018-10-16 | 湖北环一电磁装备工程技术有限公司 | A kind of tower crane rotating device that no frame permanent magnet synchronous motor directly drives |
-
2018
- 2018-01-31 CN CN201810097429.5A patent/CN108249328A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2817196Y (en) * | 2005-08-24 | 2006-09-13 | 周勇 | Electromagnetic driving rotary seat ring |
| CN105143091A (en) * | 2012-12-31 | 2015-12-09 | Imo控股有限责任公司 | Drive mechanism for rotatably coupling a system part or a machine part |
| CN203474327U (en) * | 2013-07-01 | 2014-03-12 | 国家电网公司 | Crane base |
| CN204416866U (en) * | 2014-12-26 | 2015-06-24 | 浙江西子富沃德电机有限公司 | A kind of permanent-magnet synchnorous gearless dragging machine |
| CN104907583A (en) * | 2015-05-25 | 2015-09-16 | 黄琦恒 | Numerical control horizontal lathe directly driven by linear motors |
| CN106026592A (en) * | 2016-07-05 | 2016-10-12 | 肖红 | Frameless combined type permanent magnet synchronous motor |
| CN207973429U (en) * | 2018-01-31 | 2018-10-16 | 湖北环一电磁装备工程技术有限公司 | A kind of tower crane rotating device that no frame permanent magnet synchronous motor directly drives |
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