CN207600483U - A kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke - Google Patents
A kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke Download PDFInfo
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- CN207600483U CN207600483U CN201721881760.3U CN201721881760U CN207600483U CN 207600483 U CN207600483 U CN 207600483U CN 201721881760 U CN201721881760 U CN 201721881760U CN 207600483 U CN207600483 U CN 207600483U
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- detection
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Abstract
The utility model discloses one kind and turns round the dedicated multi-turn absolute encoder of Electric Actuator stroke more.It includes pedestal and shell, partition board is provided in shell, drive shaft, level-one detection gear shaft and secondary detection gear shaft are installed between partition board and pedestal, the lower end of drive shaft is stretched out except pedestal, and drive gear is installed in the drive shaft in the shell, drive gear is connected with level-one by stage-geared and detects gear and secondary detection gear, detection plate is installed on the upside of partition board, level-one detects gear shaft and secondary detection gear shaft upper end is separately installed with level-one magnet steel and two level magnet steel, is equipped with and magnet steel detection chip on the downside of detection plate.Not only measurement accuracy is higher for the utility model, service life is longer, but also transmission is relatively steady, can carry out multi-turn angle displacement measurement, and mostly revolution Electric Actuator is effectively made to be precisely controlled the stroke implementation of all kinds of multi-turn valves.
Description
Technical field
The utility model belongs to encoder techniques field, and in particular to a kind of more revolution Electric Actuator strokes are dedicated more
Enclose absolute encoder.
Background technology
The Electric Actuator used in the technical fields such as valve control, instrument and meter, automation control, number display is being controlled
Check valve, shut-off valve, regulating valve are mostly driven when multi-turns valve switch stroke with mechanical gear at present, as shown in Figure 1,
Gear-driven series is adjusted by power shift gear, and the single-ring encoder being rotated by 360 ° is passed to by gear, final to obtain
Valve signal state.Such as figure, when power shift gear 1 is in the first gear, valve rotation drives input shaft 3,3 band of input shaft through transmitting
Dynamic input gear 2, input gear 2 are engaged with the lower gear 41 of excessive gear 4, the gear 42 and Transmission gear of excessive gear 4
The lower gear 911 of I 9 first segment gears 91 of group engages, the gear 912 and Transmission gear of I 9 first segment gear 91 of Transmission gear group
Group II 10 first segment gears 101 lower gear 1012 engage, the lower gear 1012 of II 10 first segment gear 101 of Transmission gear group with
Power shift gear 1 engages, and power shift gear 1 passes to gearshift shaft gear 12, gearshift shaft gear 12 and the lower gear 112 of middle rotating disk 11
Engagement, the gear 111 of middle rotating disk 11 are engaged with encoder gear 8, and encoder gear 8 drives single-ring encoder 7 to export number
Word electric signal.
But the bore of various valves varies, and stroke also has with short, and when stirring power shift gear 1, gear transmits sometimes
The partially short stroke sometimes of stroke it is again partially long, be unfavorable for the raising of working efficiency；Or dialled there are power shift gear 1 not in place, it can not obtain
Know the specific location of stroke；When being driven with gear mechanism, since transmission chain is too long, gear clearance is too big, be easy to cause
Measurement error is big, precision is relatively low；Therefore the defects of measurement accuracy is relatively low, service life is shorter and problem exists in the prior art.
Utility model content
Purpose of utility model：In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of structure letter
Single, easy to operate dedicated multi-turn absolute encoder of more revolution Electric Actuator strokes.
Technical solution：In order to realize above-mentioned purpose of utility model, the technical solution adopted in the utility model is as follows：
A kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke, including pedestal and are connected to the pedestal
The shell of upside is provided with the partition board parallel with the pedestal in the shell, driving is equipped between the partition board and pedestal
Axis, level-one detection gear shaft and secondary detection gear shaft, the lower end of the drive shaft are stretched out except the pedestal, and the shell
Drive gear is installed, the drive gear is connected with level-one by stage-geared and detects gear and two in interior drive shaft
Grade detection gear, the level-one detection gear and secondary detection gear are separately positioned on the level-one detection gear shaft and two level inspection
It surveys on gear shaft, the upper end of detection plate, the level-one detection gear shaft and secondary detection gear shaft is installed on the upside of the partition board
It stretches between the partition board and detection plate, and the upper end is separately installed with level-one magnet steel and two level magnet steel, the detection plate
Downside is equipped with the detection chip coordinated with the magnet steel.
Preferably, No.1 gear shaft, No. two gear shafts, No. three gear shafts and four are installed between the partition board and pedestal
Number gear shaft,
Be separately installed on the No.1 gear shaft, No. two gear shafts, No. three gear shafts and No. four gear shafts No.1 gear,
No. two gears, No. three gears and No. four gears,
The No.1 gear includes No.1 gear and No.1 lower gear, and No. two gears include No. two gears and two
Number lower gear, No. three gears include No. three gears and No. three lower gears, No. four gears include No. four gears and
No. four lower gears.
Preferably, the drive gear is meshed with the No.1 gear, the No.1 lower gear with described No. two
Gear is meshed, and No. two lower gears are meshed with level-one detection gear, the level-one detection gear and described three
Number lower gear is meshed, and No. three gears are meshed with No. four lower gears, No. four gears and the two level
Detection gear is meshed.
Preferably, the drive shaft, level-one detection gear shaft, secondary detection gear shaft, No.1 gear shaft, No. two gears
Axis, No. three gear shafts and No. four gear shafts are stainless steel shaft.
Preferably, the drive shaft, level-one detection gear shaft, secondary detection gear shaft, No.1 gear shaft, No. two gears
The both ends of axis, No. three gear shafts and No. four gear shafts are mounted on bearing, and the bearing is corresponding to be arranged on the partition board
With on pedestal.
Preferably, the drive gear, level-one detection gear, secondary detection gear, No.1 gear, No. two gears, three
Number gear and No. four gears respectively with the drive shaft, level-one detection gear shaft, secondary detection gear shaft, No.1 gear shaft, two
Number gear shaft, No. three gear shafts and No. four gear shafts interference fit connections.
Advantageous effect：The quantity for the detection part that the present invention uses improves the precision and acuity of measurement for two.Magnetic
Steel is non-contact setting with detection chip, and not only measurement accuracy is higher, but also without mechanical wear, service life is longer, detects core
The measurement angle of piece is more rich.Each axis is stainless steel shaft, and is to be interference fitted with a mating corresponding gear, and the two of each axis
End is both provided with bearings, improves the efficiency and reliability of present apparatus operation.Not only measurement accuracy is higher, uses the longevity by the present invention
Life is longer, and transmission is relatively steady, can carry out multi-turn angle displacement measurement, effectively makes Electric Actuator of turning round to all kinds of multi-turns more
The stroke implementation of valve is precisely controlled.
Description of the drawings
Fig. 1 is the coder structure schematic diagram of Electric Actuator of the prior art；
Fig. 2 is the structure diagram of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, embodiment is with the utility model skill
Implemented under premised on art scheme, it should be understood that these embodiments are merely to illustrate the utility model rather than limit this practicality
Novel range.
As shown in Fig. 2, a kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke, the encoder include bottom
Seat 3 and the shell 1 for being connected to the upside of pedestal 3, are provided with the partition board 13 parallel with pedestal 3 in shell 1, partition board 13 and pedestal 3 it
Between drive shaft 4, level-one detection gear shaft 7 and secondary detection gear shaft 12 are installed, the lower end of drive shaft 4 passes through pedestal 3 and stretches
Go out the downside of pedestal 3, and drive gear 2 is installed in the drive shaft 4 in shell 1.Drive gear 2 is connected by stage-geared
Level-one detection gear 8 and secondary detection gear 11 are connected to, level-one detection gear 8 and secondary detection gear 11 are separately positioned on level-one
It detects on gear shaft 7 and secondary detection gear shaft 12,13 upside of partition board is equipped with detection plate 14, level-one detection gear shaft 7 and two
The upper end of grade detection gear shaft 12 is stretched between partition board 13 and detection plate 14, and the upper end is separately installed with level-one magnet steel 20
With two level magnet steel 17, detection plate downside is equipped with the level-one detection chip 19 and two with level-one magnet steel 20 and two level magnet steel 17 respectively
Grade detection chip 16.Level-one magnet steel 20 and two level magnet steel 17 are installed respectively by level-one magnet steel pallet 21 and two level magnet steel pallet 18
The upper end of gear shaft 7 and secondary detection gear shaft 12 is detected in level-one.
The gear shaft 6, three of No.1 gear shaft 5, two is installed between the partition board 13 of the utility model embodiment and pedestal 3
Gear shaft 9 and No. four gear shafts 10, on the gear shaft 9 of gear shaft 6, three of No.1 gear shaft 5, two and No. four gear shafts 10 respectively
No.1 gear, No. two gears, No. three gears and No. four gears are installed, No.1 gear is included under No.1 gear 511 and No.1
Gear 512, No. two gears include No. two gears 611 and No. two lower gears 612, and No. three gears include No. three 911 Hes of gear
No. three lower gears 912, No. four gears include No. four gears 1011 and No. four lower gears 1012.Also it can pass through other structures reality
Existing, need to only meet level-one detection gear shaft 7 and secondary detection gear shaft 12 can rotate with drive shaft 4.
The drive gear 2 of the utility model embodiment is meshed with No.1 gear 511, No.1 lower gear 512 and No. two
Gear 611 is meshed, and No. two lower gears 612 are meshed with level-one detection gear 8, level-one detection gear 8 and No. three lower gears
912 are meshed, and No. three gears 911 are meshed with No. four lower gears 1012, No. four gears 1011 and secondary detection gear 11
It is meshed.The engagement connection of upper lower gear can also carry out respective change.
It gets rusty in order to prevent, the level-one detection gear shaft 7 of the utility model embodiment, secondary detection gear shaft 12, No.1
The gear shaft 9 of gear shaft 6, three of gear shaft 5, two and No. four gear shafts 10 are stainless steel shaft.
For ease of rotation, mitigate the resistance in rotation process, gear shaft 7, secondary detection gear shaft 11, one are detected in level-one
The both ends of number gear shaft 5, No. two gear shafts, 6, No. three gear shafts 9 and No. four gear shafts 10 are mounted on bearing, upper end bearing 15
It is arranged on partition board, bottom end bearing 22 is set on the base 3.
The drive gear 2, level-one detection gear, secondary detection gear, No.1 gear, No. two teeth of the utility model embodiment
Wheel, No. three gears and No. four gears can detect gear shaft 7, secondary detection gear shaft 12, No.1 with drive shaft 4, level-one respectively
The gear shaft 9 of gear shaft 6, three of gear shaft 5, two and No. four gear shafts 10 weld, preferably interference fit connection.
When in use, the connection of gear shaft 4 and Electric Actuator, the rotation of gear shaft 4 drive drive gear 2,
Drive gear 2 is meshed with No.1 gear 511, and No.1 lower gear 512 is meshed with No. two gears 611, No. two lower gears
612 are meshed with level-one detection gear 8, and level-one detection gear 8 is meshed with No. three lower gears 912, No. three gears 911 and four
Number lower gear 1012 is meshed, and No. four gears 1011 are meshed with secondary detection gear 11.In this transmission chain, level-one detection
Gear 8 and secondary detection gear 11 drive level-one detection gear shaft 7 and secondary detection gear shaft 12 respectively, while also drive and correspond to
Level-one magnet steel pallet 21 and two level magnet steel pallet 18 and pallet in corresponding level-one magnet steel 20 and two level magnet steel 17 rotated,
Detection plate 14 corresponds to the level-one detection chip 19 of installation and secondary detection chip 16 receives rotation magnetic signal and carries out to score simultaneously
Analysis, realizes accurate multi-turn angle displacement measurement, so as to accurately control the stroke of Electric Actuator.
In conclusion the quantity of detection part that the present invention uses improves the precision and acuity of measurement for two.Magnetic
Steel is non-contact setting with detection chip, and not only measurement accuracy is higher, but also without mechanical wear, service life is longer, detects core
The measurement angle of piece is more rich.Each axis is stainless steel shaft, and is to be interference fitted with a mating corresponding gear, and the two of each axis
End is both provided with bearings, improves the efficiency and reliability of present apparatus operation.Not only measurement accuracy is higher, uses the longevity by the present invention
Life is longer, and transmission is relatively steady, can carry out multi-turn angle displacement measurement, effectively makes Electric Actuator of turning round to all kinds of multi-turns more
The stroke implementation of valve is precisely controlled.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke, it is characterised in that：Including pedestal and connection
Shell on the upside of the pedestal is provided with the partition board parallel with the pedestal in the shell, between the partition board and pedestal
Drive shaft, level-one detection gear shaft and secondary detection gear shaft are installed, the lower end of the drive shaft is stretched out except the pedestal,
And drive gear is installed in the drive shaft in the shell, the drive gear is connected with level-one by stage-geared and examines
Gear and secondary detection gear are surveyed, the level-one detection gear and secondary detection gear are separately positioned on the level-one detection gear
On axis and secondary detection gear shaft, detection plate, the level-one detection gear shaft and secondary detection tooth are installed on the upside of the partition board
The upper end of wheel shaft is stretched between the partition board and detection plate, and the upper end is separately installed with level-one magnet steel and two level magnet steel,
The detection chip coordinated with the magnet steel is installed on the downside of the detection plate.
2. more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke according to claim 1, it is characterised in that：
No.1 gear shaft, No. two gear shafts, No. three gear shafts and No. four gear shafts are installed between the partition board and pedestal,
Be separately installed on the No.1 gear shaft, No. two gear shafts, No. three gear shafts and No. four gear shafts No.1 gear, No. two
Gear, No. three gears and No. four gears,
The No.1 gear includes No.1 gear and No.1 lower gear, and No. two gears are included under No. two gears and No. two
Gear, No. three gears include No. three gears and No. three lower gears, and No. four gears include No. four gears and No. four
Lower gear.
3. more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke according to claim 2, it is characterised in that：
The drive gear is meshed with the No.1 gear, and the No.1 lower gear is meshed with No. two gears, described
No. two lower gears are meshed with level-one detection gear, and the level-one detection gear is meshed with No. three lower gears, institute
It states No. three gears to be meshed with No. four lower gears, No. four gears are meshed with the secondary detection gear.
4. more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke according to claim 2, it is characterised in that：
The drive shaft, level-one detection gear shaft, secondary detection gear shaft, No.1 gear shaft, No. two gear shafts, No. three gear shafts and four
Number gear shaft is stainless steel shaft.
5. more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke according to claim 2, it is characterised in that：
The drive shaft, level-one detection gear shaft, secondary detection gear shaft, No.1 gear shaft, No. two gear shafts, No. three gear shafts and four
The both ends of number gear shaft are mounted on bearing, the bearing is corresponding is arranged on the partition board on pedestal.
6. more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke according to claim 1, it is characterised in that：
The drive gear, level-one detection gear, secondary detection gear, No.1 gear, No. two gears, No. three gears and No. four gears point
Gear shaft, secondary detection gear shaft, No.1 gear shaft, No. two gear shafts, No. three gear shafts are not detected with the drive shaft, level-one
With No. four gear shaft interference fit connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881760.3U CN207600483U (en) | 2017-12-28 | 2017-12-28 | A kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881760.3U CN207600483U (en) | 2017-12-28 | 2017-12-28 | A kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600483U true CN207600483U (en) | 2018-07-10 |
Family
ID=62768927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721881760.3U Active CN207600483U (en) | 2017-12-28 | 2017-12-28 | A kind of more revolution dedicated multi-turn absolute encoders of Electric Actuator stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207600483U (en) |
-
2017
- 2017-12-28 CN CN201721881760.3U patent/CN207600483U/en active Active
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