CN108386456A - Rotary encoder elastic connecting device - Google Patents
Rotary encoder elastic connecting device Download PDFInfo
- Publication number
- CN108386456A CN108386456A CN201810433127.0A CN201810433127A CN108386456A CN 108386456 A CN108386456 A CN 108386456A CN 201810433127 A CN201810433127 A CN 201810433127A CN 108386456 A CN108386456 A CN 108386456A
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- China
- Prior art keywords
- fixing plate
- axis
- encoder
- cup dolly
- base fixing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The present invention relates to a kind of rotary encoder elastic connecting devices, including cup dolly, fixing bracket and yielding coupling；Cup dolly center is provided with the pedestal circular hole of thickness perforation；Fixing bracket includes base fixing plate, motor fixing plate and cylinder, and base fixing plate, motor fixing plate are symmetrically fixed on the both ends of cylinder；The center of base fixing plate and motor fixing plate is provided with circular hole；The rotary encoder includes shell, encoder axis；Cup dolly is fixedly connected with encoder housing, base fixing plate respectively, the axis coincidence of the axis of encoder axis, the axis of pedestal circular hole, the axis of base fixing plate center hole, the axis of cylinder and motor fixing plate center hole after connection；Encoder axis passes through the circular hole at pedestal circular hole, base fixing plate center to be connect with yielding coupling.The present invention realizes being stably connected with for rotary encoder and electric machine main shaft, and effectively eliminates the subtle Concentricity tolerance of encoder axis and electric machine main shaft.
Description
Technical field
The present invention relates to a kind of rotary encoder elastic connecting devices, belong to technical field of the electromechanical equipment.
Background technology
Frequency converter is widely used in smelter, in the frequency converter course of work, velocity sensor vector control algorithm with
And the realization of synchronizing function needs the velocity feedback of velocity sensor, generally use rotary encoder carries out adopting for speed in industry
Collection and feedback, this just needs to be attached electric machine main shaft and rotary encoder to realize the function of rotary encoder；Metallurgy enterprise
Industry alternating current generator is mostly the large ac machines of the foot section brought projecting shaft, is found in actual production, large ac machines main shaft and rotation
When turning encoder connection, the concentricity calibrating of electric machine main shaft and encoder axis is difficult, and since encoder is accurate device, price
Costliness, if using Hard link, under the action of radial stress, encoder is easy to damage long-play；It is asked to solve this
Electric machine main shaft and encoder are attached by topic, portion of techniques personnel using the simple elastic connecting device such as oxygen bag, but real
It finds that the stability of system can not ensure in the application of border, causes the promotion of maintenance cost, for master ＆ slave control, or even evil can be caused
Sexual behavior event, causes mechanically or electrically equipment damage, increases production cost, influences normally to produce.
Invention content
Technical problem to be solved by the invention is to provide a kind of rotary encoder elastic connecting devices, it can be achieved that there is speed
The closed-loop control system rotary encoder of feedback and being stably connected with for electric machine main shaft, and subtle Concentricity tolerance can be effectively eliminated,
Realize the purpose of transmission control.
Solving the technical solution of above-mentioned technical problem is：
Rotary encoder elastic connecting device, including cup dolly, fixing bracket and yielding coupling；Cup dolly center is provided with
The pedestal circular hole of thickness perforation；Fixing bracket includes base fixing plate, motor fixing plate and cylinder, and base fixing plate, motor are solid
Fixed board is symmetrically fixed on the both ends of cylinder；The center of base fixing plate and motor fixing plate is provided with circular hole；The rotary encoder
Including shell, encoder axis；Cup dolly is fixedly connected with encoder housing, base fixing plate respectively, encoder axis after connection
Axis, the axis of pedestal circular hole, the axis of base fixing plate center hole, the axis of cylinder and motor fixing plate center hole
Axis overlap；Encoder axis passes through the circular hole at pedestal circular hole, base fixing plate center to be connect with yielding coupling.
Above-mentioned rotary encoder elastic connecting device, the rotary encoder further include the circle for protruding from housing upper surface
Shape boss and the round bearing box being fixed on round boss；After the encoder housing is fixed with cup dolly, shell upper table
Face is overlapped with the bottom surface of cup dolly；After cup dolly is fixedly connected with base fixing plate, the upper surface of cup dolly and pedestal
The upper surface of fixed plate overlaps.
Above-mentioned rotary encoder elastic connecting device, the round boss of the diameter and rotary encoder of the pedestal circular hole
Diameter matches；The diameter of round bearing box is less than the diameter of round boss；After encoder housing is fixed with cup dolly, in circle
1 annular gap is formed between shape bearing box and pedestal circular hole；The upper surface of cup dolly is provided with the axis of axis and pedestal circular hole
The circular groove that line overlaps；The upper surface of the base fixing plate is fixed with annular convex platform, and annular convex platform upper surface is fixed with directly
Diameter is less than the annulus of annular convex platform diameter, and the axis of annular convex platform, annulus and base fixing plate center hole is respectively superposed, annular
The outer diameter of boss and the circular groove diameter of cup dolly upper surface match, the diameter of annulus and the diameter phase of annular gap
Match；After cup dolly is fixedly connected with base fixing plate, annulus is inserted into annular gap, and the upper surface of annular convex platform and circle are recessed
The slot bottom bottom surface of slot overlaps, and lower surface is overlapped with the upper surface of cup dolly.
Above-mentioned rotary encoder elastic connecting device is provided with the connection of perforation wall thickness on the support bracket fastened cylinder side wall
Axis device peep hole.
The present invention installation method be：
The pedestal circular hole that encoder axis is passed through to cup dolly from bottom to top first, encoder is fixedly connected with cup dolly,
The upper surface of encoder housing is overlapped with the bottom surface of cup dolly after connection, later from top to bottom consolidates encoder axis across pedestal
The circular hole at fixed board center simultaneously makes cup dolly be fixedly connected with base fixing plate, by yielding coupling upper end and encoder axis connection
Fastening；Then motor fixing plate is fixedly connected with the tail portion of alternating current generator, ensures the axis and volume of electric machine main shaft after connection
The axis of code device axis overlaps, and yielding coupling lower end and electric machine main shaft are fastenedly connected completion peace by shaft coupling peep hole later
Dress.
The present invention is fixedly connected by encoder housing and cup dolly, ensures that encoder will not radially slide,
Pass through circle on the tight fit of the annular convex platform and cup dolly upper surface circular groove of base fixing plate upper surface, annular convex platform
The tight fit of ring and annular gap further promotes the radial stability of encoder, passes through motor fixing plate and motor tail portion
It is fixedly connected with the concentricity for ensureing electric machine main shaft and encoder axis, after the completion of integral installation, encoder axis is concentric with motor shaft
Degree is effectively ensured, and stability is increased dramatically, it is ensured that the normal of rotary encoder works long hours, reduce spare part at
This, ensure that normal production.
Beneficial effects of the present invention are：
The present invention realizes the closed-loop control system rotary encoder of velocity feedback and being stably connected with for electric machine main shaft, and effectively
The subtle Concentricity tolerance of encoder axis and electric machine main shaft is eliminated, the purpose of transmission control is realized, ensures rotary encoder
Normal work, improves the service life of encoder, reduces spare parts cost, ensure that normal production.
Description of the drawings
Fig. 1 is cup dolly sectional view；
Fig. 2 is cup dolly vertical view；
Fig. 3 is the front view of rotary encoder；
Fig. 4 is the vertical view of rotary encoder；
Fig. 5 is the sectional view after rotary encoder is fixed with cup dolly；
Fig. 6 is the vertical view after rotary encoder is fixed with cup dolly；
Fig. 7 is support bracket fastened sectional view；
Fig. 8 is support bracket fastened vertical view；
Fig. 9 is the vertical view of motor fixing plate；
Figure 10 is the sectional view after the completion of integral installation of the present invention；
In figure label for：Cup dolly 1, yielding coupling 2, pedestal circular hole 3, base fixing plate 4, motor fixing plate 5, cylinder 6,
Circular hole 7, shell 8, encoder axis 9, round boss 10, round bearing box 11, annular gap 12, circular groove 13, annular convex platform
14, annulus 15, shaft coupling peep hole 16, pedestal fixing threaded hole 17, encoder fixing threaded hole 18, base fixing plate screw hole 19, electricity
Machine fixed plate screw hole 20, encoder screw hole 21, dormant bolt 22, bolt 23, electric machine main shaft 24, motor tail portion 25.
Specific implementation mode
Figure 10 shows that rotary encoder elastic connecting device of the present invention, including cup dolly 1, fixing bracket and elasticity join
Axis device 2；
Fig. 3 and Fig. 4 show that rotary encoder includes shell 8, protrudes from the round boss 10 of 8 upper surface of shell, is fixed on circle
Round bearing box 11 on boss 10 and encoder axis 9；The diameter of round bearing box 11 is less than the diameter of round boss 10；Shell
8 upper table is provided with 3 equidistant encoder screw holes 21 downwards；Fig. 1 and Fig. 2 show that the center of cup dolly 1 is provided with thickness
The pedestal circular hole 3 of perforation, the diameter of pedestal circular hole 3 and 10 diameter of round boss of rotary encoder match；Cup dolly 1
Upper table is provided with the circular groove 13 that axis is overlapped with the axis of pedestal circular hole 3 downwards；The slot bottom of circular groove 13 is provided with downwards 3
18,3 encoder fixing threaded holes 18 of encoder fixing threaded hole of a perforation are corresponding with 3 encoder screw holes 21；Cup dolly 1
Upper table be provided with downwards 4 perforation 17,4 pedestal fixing threaded holes 17 of pedestal fixing threaded hole between spacing it is equal；
Fig. 5 and Fig. 6 show that the encoder axis 9 of rotary encoder passes through the pedestal circular hole 3,3 of cup dolly 1 heavy from bottom to top
Hook bolt 22 is each passed through 3 encoder fixing threaded holes, 18,3 encoder screw holes 21 and consolidates rotary encoder and cup dolly 1
Fixed connection, it is fixed after the upper surface of shell 8 of rotary encoder overlapped with the bottom surface of cup dolly 1, the axis of encoder axis 9 and
The axis of pedestal circular hole 3 overlaps, and 1 annular gap 12 is formed between round bearing box 11 and pedestal circular hole 3；
Fig. 7 and Fig. 8 show, fixing bracket includes base fixing plate 4, motor fixing plate 5 and cylinder 6, base fixing plate 4 and motor
Fixed plate 5 is the identical circular slab of size, is symmetrically fixed on the both ends of cylinder 6；In base fixing plate 4 and motor fixing plate 5
The heart has circular hole 7；The upper surface of base fixing plate 4 is fixed with annular convex platform 14, and 14 upper surface of annular convex platform is fixed with directly
Diameter is less than the annulus 15 of 14 diameter of annular convex platform, the axis point of 4 center hole 7 of annular convex platform 14, annulus 15 and base fixing plate
It does not overlap, the diameter of the outer diameter and the circular groove 13 of 1 upper surface of cup dolly of annular convex platform 14 matches, the diameter of annulus 15
Match with the diameter of annular gap 12；The base fixing plate screw hole 19,4 for being provided with 4 on base fixing plate 4 equidistantly and penetrating through
A base fixing plate screw hole 19 and 4 pedestal fixing threaded holes 17 correspond；The side wall of cylinder 6 is provided with the shaft coupling of perforation wall thickness
Peep hole 16；Fig. 9 is shown, 4 is provided on motor fixing plate 5 equidistantly and the motor fixing plate screw hole 20 of perforation；
Figure 10 is shown, after cup dolly 1 is fixedly connected with rotary encoder, the upper surface of cup dolly 1 is fastened on pedestal and fixes
On plate 4, it is each passed through pedestal fixing threaded hole 17 by 4, the bolt 23 of base fixing plate screw hole 19 realizes cup dolly 1 and bottom
Seat fixed plate 4 is fixedly connected；Annulus 15 is inserted into annular gap 12 after connection, the upper surface of annular convex platform 14 and circular groove
13 bottom surface overlaps, and the lower surface of annular convex platform 14 is overlapped with the upper surface of cup dolly 1；It will be compiled by shaft coupling peep hole 16
Code device axis 9 is connect with the upper end of yielding coupling 2；By realizing that motor is solid across 4 bolts 23 of motor fixing plate screw hole 20
Fixed board 5 is fixedly connected with motor tail portion 25, to ensure the axis of electric machine main shaft 24 and the axis weight of encoder axis 9 after connection
It closes, then electric machine main shaft 24 is connect to completion installation by shaft coupling peep hole 16 with the lower end of yielding coupling 2；Installation is complete
Afterwards the axis of the center hole 7 of the axis of encoder axis 9, the axis of pedestal circular hole 3, base fixing plate 4 and motor fixing plate 5,
The axis of cylinder 6, the axis of electric machine main shaft 24 are respectively superposed.
The present invention is fixedly connected by encoder housing 8 and cup dolly 1, ensures that radial cunning will not occur for encoder
It is dynamic, tight fit, ring by the annular convex platform 14 of 4 upper surface of base fixing plate with 1 upper surface circular groove 13 of cup dolly
Annulus 15 further promotes the radial stability of encoder with the tight fit of annular gap 12 on shape boss 14, solid by motor
The concentricity for being fixedly connected with guarantee electric machine main shaft 24 and encoder axis 9 of fixed board 5 and motor tail portion 25, after the completion of integral installation,
Encoder axis 9 and the concentricity of electric machine main shaft 24 are effectively ensured, and stability is increased dramatically, it is ensured that rotary encoder
Long-period stable operation reduces spare parts cost, ensure that normal production.
Claims (4)
1. rotary encoder elastic connecting device, it is characterised in that：It includes cup dolly（1）, fixing bracket and elastic shaft coupling
Device（2）；Cup dolly（1）Center be provided with thickness perforation pedestal circular hole（3）；Fixing bracket includes base fixing plate（4）, electricity
Machine fixed plate（5）And cylinder（6）, base fixing plate（4）, motor fixing plate（5）It is symmetrically fixed on cylinder（6）Both ends；Pedestal
Fixed plate（4）And motor fixing plate（5）Center be provided with circular hole（7）；The rotary encoder includes shell（8）, encoder axis
（9）；Cup dolly（1）Respectively with encoder housing（8）, base fixing plate（4）It is fixedly connected, encoder axis after connection（9）'s
Axis, pedestal circular hole（3）Axis, base fixing plate（4）Center hole（7）Axis, cylinder（6）Axis and motor fix
Plate（5）Center hole（7）Axis overlap；Encoder axis（9）Across pedestal circular hole（3）, base fixing plate（4）The circular hole at center
（7）With yielding coupling（2）Connection.
2. rotary encoder elastic connecting device as described in claim 1, it is characterised in that：The rotary encoder further includes
Protrude from shell（8）The round boss of upper surface（10）Be fixed on round boss（10）On round bearing box（11）；It is described
Encoder housing（8）With cup dolly（1）After fixation, shell（8）Upper surface and cup dolly（1）Bottom surface overlap；It is round
Pedestal（1）With base fixing plate（4）After being fixedly connected, cup dolly（1）Upper surface and base fixing plate（4）Upper surface weight
It closes.
3. rotary encoder elastic connecting device as claimed in claim 2, it is characterised in that：The pedestal circular hole（3）It is straight
The round boss of diameter and rotary encoder（10）Diameter match；Round bearing box（11）Diameter be less than round boss（10）
Diameter；Encoder housing（8）With cup dolly（1）After fixation, in round bearing box（11）With pedestal circular hole（3）Between formed
1 annular gap（12）；Cup dolly（1）Upper surface be provided with axis and pedestal circular hole（3）Axis overlap circular groove
（13）；The base fixing plate（4）Upper surface be fixed with annular convex platform（14）, annular convex platform（14）Upper surface be fixed with directly
Diameter is less than annular convex platform（14）The annulus of diameter（15）, annular convex platform（14）, annulus（15）And base fixing plate（4）Center hole
（7）Axis be respectively superposed, annular convex platform（14）Outer diameter and cup dolly（1）The circular groove of upper surface（13）Diameter phase
Match, annulus（15）Diameter and annular gap（12）Diameter match；Cup dolly（1）With base fixing plate（4）It is fixed to connect
After connecing, annulus（15）It is inserted into annular gap（12）In, annular convex platform（14）Upper surface and circular groove（13）Slot bottom bottom surface
It overlaps, lower surface and cup dolly（1）Upper surface overlap.
4. rotary encoder elastic connecting device as described in claim 1, it is characterised in that：The support bracket fastened cylinder
（6）Side wall on be provided with perforation wall thickness shaft coupling peep hole（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433127.0A CN108386456B (en) | 2018-05-08 | 2018-05-08 | Elastic connecting device for rotary encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433127.0A CN108386456B (en) | 2018-05-08 | 2018-05-08 | Elastic connecting device for rotary encoder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108386456A true CN108386456A (en) | 2018-08-10 |
| CN108386456B CN108386456B (en) | 2023-06-30 |
Family
ID=63071381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810433127.0A Active CN108386456B (en) | 2018-05-08 | 2018-05-08 | Elastic connecting device for rotary encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108386456B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179385A (en) * | 2020-09-24 | 2021-01-05 | 长春荣德光学有限公司 | Encoder with ultrathin integral structure and elastic connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471556A (en) * | 2013-08-22 | 2013-12-25 | 恒天九五重工有限公司 | Device for measuring rotation angle for return driving during loading of rotary drilling rig |
| CN204755624U (en) * | 2013-12-06 | 2015-11-11 | 西克斯特格曼有限公司 | Fixing device and motor feedback system who has said fixing device |
| CN105403185A (en) * | 2015-12-08 | 2016-03-16 | 中交天津港航勘察设计研究院有限公司 | Chain-type encoder rope length measuring sensor device |
| CN205333045U (en) * | 2015-10-27 | 2016-06-22 | 兰州飞行控制有限责任公司 | Increment type rotary encoder's calibration frock |
-
2018
- 2018-05-08 CN CN201810433127.0A patent/CN108386456B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471556A (en) * | 2013-08-22 | 2013-12-25 | 恒天九五重工有限公司 | Device for measuring rotation angle for return driving during loading of rotary drilling rig |
| CN204755624U (en) * | 2013-12-06 | 2015-11-11 | 西克斯特格曼有限公司 | Fixing device and motor feedback system who has said fixing device |
| CN205333045U (en) * | 2015-10-27 | 2016-06-22 | 兰州飞行控制有限责任公司 | Increment type rotary encoder's calibration frock |
| CN105403185A (en) * | 2015-12-08 | 2016-03-16 | 中交天津港航勘察设计研究院有限公司 | Chain-type encoder rope length measuring sensor device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179385A (en) * | 2020-09-24 | 2021-01-05 | 长春荣德光学有限公司 | Encoder with ultrathin integral structure and elastic connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108386456B (en) | 2023-06-30 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190313 Address after: No. 232, Fuxing Road, Fuxing District, Handan, Hebei Province Applicant after: HANDAN IRON & STEEL GROUP Co.,Ltd. Applicant after: Handan Branch of Hegang Co.,Ltd. Applicant after: Handan Handan Iron and Steel Group Fengda Metallurgical Raw Materials Co.,Ltd. Address before: No. 232, Fuxing Road, Fuxing District, Handan, Hebei Province Applicant before: HANDAN IRON & STEEL GROUP Co.,Ltd. Applicant before: Handan Branch of Hegang Co.,Ltd. |
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