CN107257187A - Electric machine rotor suit stator centering positioner - Google Patents
Electric machine rotor suit stator centering positioner Download PDFInfo
- Publication number
- CN107257187A CN107257187A CN201710484946.3A CN201710484946A CN107257187A CN 107257187 A CN107257187 A CN 107257187A CN 201710484946 A CN201710484946 A CN 201710484946A CN 107257187 A CN107257187 A CN 107257187A
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- Prior art keywords
- slide unit
- motor
- slide
- alignment pin
- stator
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- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 238000013519 translation Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 abstract description 31
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to a kind of motor assembly equipment, specifically electric machine rotor, which is set with, uses stator centering positioner.Its feature is to include base, and having on base on the base between two translation mechanisms along horizontal linear move toward one another, two translation mechanisms has motor stator supporting mechanism.There is alignment pin on the opposite face of described two translation mechanisms, the alignment pin is used for the end cap installing hole of positioning motor stator.There is elevating mechanism on the base, the elevating mechanism is used to drive the alignment pin on two translation mechanisms to make synchronization lifting relative to motor stator supporting mechanism.Device operation is easy, and simple in construction, manufacturing cost is low, and without measurement and positioning, can conveniently complete the suit operation of rotor, improves efficiency of assembling.
Description
Technical field
The present invention relates to a kind of motor assembly equipment, specifically motor it is fixed-stator that uses of rotor suit process looks for
Positive positioner, the large-size machine that is particularly suitable for use in is fixed-suit of rotor.
Background technology
Fixed-rotor suit process is that motor assembles a procedure particularly important in each operation, and large-size machine is due to body
Product is big, weight weight, how to realize that the accurate suit of its fixed-rotor just seems more important.
Traditional large-size machine is fixed-and rotor suit mode is to be sling rotor using loop wheel machine, then again by people's industry control
System is inserted in motor stator.This assembling mode easily cause motor it is fixed-rotor between collide with, assembling quality is difficult to control
System, and also very high is required to the technical skills of operating personnel.
In recent years, with the development of science and technology, occur in that on some high-end motor products application apparatus complete it is fixed-
The situation of rotor suit.These equipment are all that the position of centering motor stator is adjusted by the survey calculation of a series of complex,
Recycle conveying mechanism that rotor set is fitted into stator.Although this kind equipment can realize motor it is fixed-the accurate set of rotor
Industry is pretended, but its structure is extremely complex, and equipment cost is higher, and adjustment operation is also required to take a substantial amount of time, assembling effect
Rate is relatively low.
The content of the invention
The problem to be solved in the present invention is to provide a kind of motor and determines-rotor suit stator centering positioner, the device
Operation is easy, and simple in construction, manufacturing cost is low, and without measurement and positioning, the set that can conveniently complete fixed-rotor is pretended
Industry, improves efficiency of assembling.
To solve the above problems, taking following technical scheme：
The motor of the present invention is fixed-rotor suit with stator centering positioner the characteristics of be to include base, have on base along level
There is motor stator supporting mechanism on base between two translation mechanisms of straight line move toward one another, two translation mechanisms.Described two
There is alignment pin on the opposite face of individual translation mechanism, the alignment pin is used for the end cap installing hole of positioning motor stator.The bottom
There is elevating mechanism on seat, the elevating mechanism is used to drive the alignment pin on two translation mechanisms relative to motor stator supporting mechanism
Make synchronization lifting.
Wherein, described two translation mechanisms are to have to arrange in horizontal linear on the first slide unit and the second slide unit, the base
Slide rail, the first slide unit and the second slide unit are respectively positioned on the slide rail, and the first slide unit and the second slide unit are respectively connected with drive mechanism.
Further improvement of the present invention scheme is that the slide rail has two, and they are positioned opposite in horizontal parallel.Described
One slide unit, the second slide unit are seated on two slide rails, and between the first slide unit and two slide rails, between the second slide unit and two slide rails
It is in be slidably matched.
Further improvement of the present invention scheme is that the motor stator supporting mechanism supports to be fixed, the fixed support bag
Include more than one support column.Preferably, the quantity of the support column is four, and four support columns are in one group two-by-two along the cunning
The parallel longitudinal arrangement of rail.There is slot to make way on the opposite face of first slide unit and the second slide unit, when the first slide unit and second
When slide unit is in slide in opposition, slot to make way, which is used to step down, accommodates support column.Corresponding first slide unit in slot to make way openend both sides
There is float support with the second slide unit；The float support is compression spring mechanism, cylinder or oil cylinder.
The further improvement project of the present invention is that the elevating mechanism has two, and they are located at the first slide unit and the respectively
On two slide units, the alignment pin is located on the opposite face of two elevating mechanisms.The elevating mechanism includes two columns, and two
The line of column and the slide rail are perpendicular；Lift is connected between the upper end of described two columns, the alignment pin is located at two
Lift side between individual column.There are two alignment pins on the elevating mechanism, the two alignment pins are between two columns
Horizontal symmetrical is arranged；Alignment pin on described two elevating mechanisms is in one-to-one corresponding and coaxial or parallel arrangement.
Such scheme is taken, with advantages below：
Due to the motor of the present invention it is fixed-rotor suit includes having along horizontal linear on base, base with stator centering positioner
There is motor stator supporting mechanism on base between two translation mechanisms of move toward one another, two translation mechanisms；Two translation machines
There is alignment pin on the opposite face of structure, alignment pin is used for the end cap installing hole of positioning motor stator；There is elevating mechanism on base, should
Elevating mechanism is used to drive the alignment pin on two translation mechanisms to make synchronization lifting relative to motor stator supporting mechanism.Use
When, the base of the device is fixed on the operation post of suit process or become one with operation post, then by two translation machines
Structure and elevating mechanism are connected with being set with the controller of equipment.During work, the stator of motor is sling simultaneously first with loop wheel machine
It is landed on the motor stator supporting mechanism of the device, then controls two translation mechanisms to translate in opposite directions by controller so that is fixed
Position pin is fully inserted into the end cap installing hole at motor stator two ends, then by controller control elevating mechanism action so that motor stator
Depart from motor stator supporting mechanism, support is sling by alignment pin completely.Because the end cap installing hole at motor stator two ends is same
The circle of axle, thus when two ends alignment pin with stator end cap installing hole along contact when, the position of stator can be corrected automatically,
So that the axis and the diameter parallel of alignment pin of stator.And rotor once be put into suit equipment after, its position be it is fixed,
Therefore only need to motor stator lifting to the position for making it with rotor coaxial.Finally, conveying mechanism is recycled directly will
Rotor set loads stator.It follows that the device is using circular support positioning principle, can be accurately to motor
Stator carries out centering positioning.Compared with the equipment in background technology using survey calculation to adjust positioning, its task difficulty is small, knot
Structure is very simple, and manufacturing cost is relatively low.Meanwhile, the action step of the device is simple, almost without manual intervention, Neng Goufang
Just efficiently realize motor it is fixed-suit of rotor, be greatly improved the efficiency of assembling of motor.
Further, the translation mechanism being engaged using the first slide unit, the second slide unit and two slide rails, it is possible to increase device
The flatness and stability of action.
Further, supported using setting is fixed on base to support motor stator, and two elevating mechanisms are distinguished
It is arranged on the first slide unit and the second slide unit, the space-consuming of device can be reduced so that structure is simpler.Meanwhile,
The float support set on one slide unit and the second slide unit, can elevating mechanism driving alignment pin rise lift motor stator when,
Control float support to float support motor stator bottom using the controller for being set with equipment, mitigate the load of alignment pin, it is ensured that its
It is indeformable to damage.
Further, using set respectively on the first slide unit and the second slide unit by two columns and elevator group into
Elevating mechanism, structure is simpler.Meanwhile, the distance between two columns can also be the end cap installing hole at electronics stator two ends
Outside reserves enough working spaces, it is ensured that rotor can smoothly load stator during suit operation.Each elevating mechanism
On be respectively provided with alignment pin on two alignment pins, and two elevating mechanisms and determine in coaxial or parallel arrangement, i.e. motor is corresponded
The end cap installing hole at sub- two ends is all positioned using two alignment pins so that motor stator is positioned when pin lifts will not left and right rolling
It is dynamic, improve the stability of stator lifting.
Brief description of the drawings
Fig. 1 be the present invention motor it is fixed-structure of rotor suit stator centering positioner（Operating state one）Signal
Figure；
Fig. 2 is Fig. 1 A-A direction views；
Fig. 3 be the present invention motor it is fixed-schematic diagram of operating state two of rotor suit stator centering positioner；
Fig. 4 is Fig. 3 B-B direction view；
Fig. 5 be the present invention motor it is fixed-rotor suit is applied to use state in suit equipment with stator centering positioner
One schematic diagram；
Fig. 6 be the present invention motor it is fixed-rotor suit is applied to use state in suit equipment with stator centering positioner
Two schematic diagrames；
Fig. 7 be the present invention motor it is fixed-rotor suit is applied to use state in suit equipment with stator centering positioner
Three schematic diagrames.
Embodiment
The present invention is described in further details below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, motor of the invention it is fixed-rotor suit includes base 8, bottom with stator centering positioner
Having on seat 8 on the base 8 between two translation mechanisms along horizontal linear move toward one another, two translation mechanisms has motor stator branch
Support mechanism.There is alignment pin 2 on the opposite face of described two translation mechanisms, the alignment pin 2 is used for positioning motor stator 10
End cap installing hole.There is elevating mechanism on the base 8, the elevating mechanism is used to drive the phase of alignment pin 2 on two translation mechanisms
Make synchronization lifting for motor stator supporting mechanism.
Wherein, described two translation mechanisms are to have on the first slide unit 6 and the second slide unit 9, the base 8 in horizontal linear cloth
The slide rail 7 put, the first slide unit 6 and the second slide unit 9 are respectively positioned on the slide rail 7, and the first slide unit 6 and the second slide unit 9 are respectively connected with
Drive mechanism.The slide rail 7 has two, and they are positioned opposite in horizontal parallel.First slide unit 6, the second slide unit 9 are located
On two slide rails 7, and in being slidably matched between the first slide unit 6 and two slide rails 7, between the second slide unit 9 and two slide rails 7.Adopt
The translation mechanism being engaged with the first slide unit 6, the second slide unit 9 and two slide rails 7, it is possible to increase the flatness of device action and steady
It is qualitative.It is of course also possible to two levels and telescopic arm structure positioned opposite be set on base 8, to realize translation mechanism
Function.As long as alignment pin 2 can be stretched into smoothly to the end cap installing hole of motor stator 10, the follow-up centering of stator 10 positioning is realized
Purpose, just meet the present invention design concept.
The motor stator supporting mechanism is fixed support 4.The fixed support 4 includes more than one support column.When
When the volume and weight of motor stator 10 is all smaller, it can be played a supporting role using a support column.When the body of motor stator 10
During the larger or heavier-weight of product, a support column is difficult to smoothly support stator 10, at this moment can use more than two
Dagger.The distribution of these support columns can be arranged in a row along the longitudinal direction of slide rail 7 or two-by-two one group along slide rail 7
Parallel longitudinal arrangement, naturally it is also possible to using the arrangement of two and one collocation, as long as support motor stator can be realized
10 function.Four support column arrangements in one group of parallel arrangement two-by-two, such arrangement are used in the present embodiment
Mode has good support effect.If motor stator 10 is longer, increase it can also be set in the middle of this two groups of support columns
More than one support column is put, more preferable support effect is obtained.
There is slot to make way on the opposite face of the slide unit 9 of first slide unit 6 and second, when the first slide unit 6 and the second slide unit 9 are in
During slide in opposition, slot to make way, which is used to step down, accommodates support column.Corresponding first slide unit 6 and second in slot to make way openend both sides
There is float support 5 on slide unit 9.The float support 5 is compression spring mechanism, cylinder or oil cylinder.Using float support 5 and admittedly
Surely the supporting construction that support 4 is engaged, effect is accepted with good load-bearing.Rise in elevating mechanism driving alignment pin 2 and lift
During motor stator 10, stator 10 is separated with fixed support 4, if all carrying out suspended support stator 10 by alignment pin 2, alignment pin 2
Load is too big.Now, float support motor stator 10 bottom using the controller control float support 5 of suit equipment 13, subtract
The load of light alignment pin 2, it is ensured that alignment pin 2 is not in deformation or damage.
The elevating mechanism has two, and they are located on the first slide unit 6 and the second slide unit 9 respectively, and the alignment pin 2 is located at
On the opposite face of two elevating mechanisms.In the present embodiment, the elevating mechanism includes two columns 3, and the line of two columns 3
It is perpendicular with the slide rail 7.Lift 1 is connected between the upper end of described two columns 3, the alignment pin 2 is located at two columns 3
Between the side of lift 1.There are two alignment pins 2 on the elevating mechanism, the two alignment pins 2 are in water between two columns 3
It is flat to be arranged symmetrically.Alignment pin 2 on described two elevating mechanisms is in one-to-one corresponding and coaxial or parallel arrangement.When motor stator two
When the end cap installing hole at end is size identical and coaxial circle, alignment pin 2 on two elevating mechanisms using corresponding and
Coaxial arrangement；When the end cap installing hole at motor stator two ends is circle of different sizes but coaxial, two lifts
Alignment pin 2 on structure is using one-to-one corresponding and parallel high infraversion malposition arrangement.In the structure, between two columns 3 away from
From can for the two ends of electronics stator 10 end cap installing hole on the outside of reserve enough working spaces, it is ensured that suit operation when motor turn
Son can smoothly load stator 10.And the end cap installing hole that two alignment pins 2 come the two ends of positioning motor stator 10 is respectively adopted,
Double swerve phenomenon when can alleviate or even avoid the motor stator 10 from being raised, improves the stability that stator 10 is lifted.Certainly,
The purpose of the lifting motor stator 10 of alignment pin 2 is also can reach using the telescopic arm structure or other hoisting mechanisms that are vertically arranged, but
It is required for being thought of as the enough rotors of follow-up suit operation offer by bit space.And the preferred elevating mechanism of the present embodiment is in reality
Now lifted and allowed on the premise of bit function, structure is relatively simple, the overall manufacturing cost of device can be reduced.
In use, by the motor of the present invention it is fixed-base 8 of rotor suit stator centering positioner is fixed on set installing
Become one on standby 13 operation post or with operation post, then by device first slide unit 6, the drive mechanism of the second slide unit 9, two
Individual elevating mechanism and float support 5 are connected with being set with the controller of equipment 13.During work, first with loop wheel machine by the stator of motor
10 sling and are landed in the fixed support 4 of the device, as depicted in figs. 1 and 2；Then the first slide unit 6, the are controlled by controller
Two slide units 9 do slide in opposition along slide rail 7 so that the alignment pin 2 of two structures of lift 1 is fully inserted into the end at the two ends of motor stator 10
In lid mounting hole；Two elevating mechanisms are controlled to rise by controller again, using the alignment pin 2 of two elevating mechanisms by motor stator
10 sling the axis and the fixed bit axis coaxle of rotor 14 to stator 10, as shown in Figure 3 and Figure 4.Now, motor stator 10 is looked for
Positive positioning operation is just completed, and it is as shown in Figure 5 in the use state being set with equipment 13.Then, controlled using being set with equipment 13
Device processed controls the first slide unit 6, the second slide unit 9 to move on to the other end of suit equipment 13 with motor stator 10 together, avoids electronics
The installation position of rotor 14, and rotor 14 is fixed in suit equipment 13, as shown in Figure 6.Finally, set is reused
Standby 13 controllers of installing control the first slide unit 6, the second slide unit 9 together with motor stator 10 to the fixed displacement of rotor 14
Dynamic, rotor 14 just accurately can smoothly be fitted into stator 10, complete suit operation, as shown in Figure 7.
Motor of the invention determines-rotor suit support positioning principle of the stator centering positioner using circle, can
Centering positioning quickly and accurately is carried out to motor stator.Equipment phase with adjusting positioning in background technology using survey calculation
Than its task difficulty is small, and structure is very simple, and manufacturing cost is relatively low.Meanwhile, the action step of the device is simple, almost
Without manual intervention, can conveniently realize motor it is fixed-suit of rotor, be greatly improved the efficiency of assembling of motor.
Claims (10)
1. motor determines-rotor suit stator centering positioner, it is characterised in that including base（8）, base（8）On have along water
Base between two translation mechanisms of flat line move toward one another, two translation mechanisms（8）On have motor stator supporting mechanism；Institute
There is alignment pin on the opposite face for stating two translation mechanisms（2）, the alignment pin（2）End cap for positioning motor stator is installed
Hole；The base（8）On have lift（1）Structure, the lift（1）Structure is used to drive the alignment pin on two translation mechanisms（2）
Make synchronization lifting relative to motor stator supporting mechanism.
2. motor as claimed in claim 1 determines-rotor suit stator centering positioner, it is characterised in that described two flat
Telephone-moving structure is the first slide unit（6）With the second slide unit（9）, the base（8）On have the slide rail arranged in horizontal linear（7）, first
Slide unit（6）With the second slide unit（9）It is respectively positioned on the slide rail（7）On, and the first slide unit（6）With the second slide unit（9）It is respectively connected with driving
Mechanism.
3. motor as claimed in claim 2 determines-rotor suit stator centering positioner, it is characterised in that the slide rail
（7）There are two, they are positioned opposite in horizontal parallel；First slide unit（6）, the second slide unit（9）It is seated in two slide rails
（7）On, and the first slide unit（6）With two slide rails（7）Between, the second slide unit（9）With two slide rails（7）Between in being slidably matched.
4. motor as claimed in claim 2 determines-rotor suit stator centering positioner, it is characterised in that the motor is determined
Sub- supporting mechanism supports to be fixed（4）, the fixed support（4）Including more than one support column.
5. motor as claimed in claim 4 determines-rotor suit stator centering positioner, it is characterised in that the support column
Quantity be four, four support columns are in one group two-by-two along the slide rail（7）Parallel longitudinal arrangement.
6. motor as claimed in claim 5 determines-rotor suit stator centering positioner, it is characterised in that described first slides
Platform（6）With the second slide unit（9）Opposite face on have slot to make way, when the first slide unit（6）With the second slide unit（9）In slide in opposition
When, slot to make way, which is used to step down, accommodates support column.
7. motor as claimed in claim 6 determines-rotor suit stator centering positioner, it is characterised in that the slot to make way
Corresponding first slide unit in openend both sides（6）With the second slide unit（9）On have float support（5）；The float support（5）For pressure
Contracting spring mechanism, cylinder or oil cylinder.
8. the motor as any one of claim 2 to 7 determines-rotor suit stator centering positioner, its feature exists
In the lift（1）Structure has two, and they are located at the first slide unit respectively（6）With the second slide unit（9）On, the alignment pin（2）
Positioned at two lifts（1）On the opposite face of structure.
9. motor as claimed in claim 8 determines-rotor suit stator centering positioner, it is characterised in that the lift
（1）Structure includes two columns（3）, and two columns（3）Line and the slide rail（7）It is perpendicular；Described two columns（3）'s
Lift is connected between upper end（1）, the alignment pin（2）Positioned at two columns（3）Between lift（1）Side.
10. motor as claimed in claim 9 determines-rotor suit stator centering positioner, it is characterised in that the lifting
Machine（1）There are two alignment pins on structure（2）, the two alignment pins（2）In two columns（3）Between in horizontal symmetrical arrangement；It is described
Two lifts（1）Alignment pin on structure（2）In one-to-one corresponding and coaxial or parallel arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484946.3A CN107257187A (en) | 2017-06-23 | 2017-06-23 | Electric machine rotor suit stator centering positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484946.3A CN107257187A (en) | 2017-06-23 | 2017-06-23 | Electric machine rotor suit stator centering positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107257187A true CN107257187A (en) | 2017-10-17 |
Family
ID=60024231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710484946.3A Pending CN107257187A (en) | 2017-06-23 | 2017-06-23 | Electric machine rotor suit stator centering positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107257187A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800253A (en) * | 2017-12-07 | 2018-03-13 | 合肥珺安机电设备有限公司 | The automatic assembling device of motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478955U (en) * | 2009-07-13 | 2010-05-19 | 湘潭电机股份有限公司 | Assembly tooling of electric motor stator set rotor |
| CN103887931A (en) * | 2014-04-01 | 2014-06-25 | 武汉轻工大学 | Motor numerical control assembling device and method |
| CN205595975U (en) * | 2015-12-16 | 2016-09-21 | 石狮市通达电机有限公司 | Permanent -magnet machine assembles tool |
| CN205753902U (en) * | 2016-05-16 | 2016-11-30 | 中山市睿望达精密科技有限公司 | A kind of rotor and the assembling device of stator |
| CN206948156U (en) * | 2017-06-23 | 2018-01-30 | 无锡艾森保自动化装备有限公司 | Electric machine rotor suit uses stator centering positioner |
-
2017
- 2017-06-23 CN CN201710484946.3A patent/CN107257187A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478955U (en) * | 2009-07-13 | 2010-05-19 | 湘潭电机股份有限公司 | Assembly tooling of electric motor stator set rotor |
| CN103887931A (en) * | 2014-04-01 | 2014-06-25 | 武汉轻工大学 | Motor numerical control assembling device and method |
| CN205595975U (en) * | 2015-12-16 | 2016-09-21 | 石狮市通达电机有限公司 | Permanent -magnet machine assembles tool |
| CN205753902U (en) * | 2016-05-16 | 2016-11-30 | 中山市睿望达精密科技有限公司 | A kind of rotor and the assembling device of stator |
| CN206948156U (en) * | 2017-06-23 | 2018-01-30 | 无锡艾森保自动化装备有限公司 | Electric machine rotor suit uses stator centering positioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800253A (en) * | 2017-12-07 | 2018-03-13 | 合肥珺安机电设备有限公司 | The automatic assembling device of motor |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171017 |
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