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CN106525084B - Built-in bearing-free capacitive rotary encoder and mounting method thereof - Google Patents

Built-in bearing-free capacitive rotary encoder and mounting method thereof Download PDF

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Publication number
CN106525084B
CN106525084B CN201611177821.8A CN201611177821A CN106525084B CN 106525084 B CN106525084 B CN 106525084B CN 201611177821 A CN201611177821 A CN 201611177821A CN 106525084 B CN106525084 B CN 106525084B
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China
Prior art keywords
main shaft
shell
circuit board
turntable
built
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CN201611177821.8A
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CN106525084A (en
Inventor
杨艺榕
杜昭辉
刘兆祥
宋烨飞
罗日辉
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Dongguan Yingdong Electromechanical Technology Co ltd
Siemens Corp
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Dongguan Yingdong Electromechanical Technology Co ltd
Siemens Corp
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

The invention relates to a capacitance type rotary encoder without a built-in bearing, which comprises: the rotor mechanism, the stator mechanism and the mounting auxiliary part; the rotor mechanism includes: the device comprises a main shaft, a fixed ring and a turntable; the stator mechanism includes: the circuit board comprises a shell, an upper circuit board and a lower circuit board; the bottom of the shell is provided with a plurality of salient points; the shell is provided with an accommodating cavity for accommodating the turntable; a first gap exists between the upper circuit board and the upper surface of the turntable; a second gap exists between the lower circuit board and the lower surface of the turntable; the height of the second gap is equal to the height of the bump. Meanwhile, the installation method of the capacitive rotary encoder without the built-in bearing is provided. The invention has the beneficial effects that: the capacitor type structure without the built-in bearing is adopted, the installation space is saved, the size of the installation auxiliary part can be determined according to the size of the installation end, the structural requirement on the installation end is reduced, and the installation universality is improved. The precision of the axial clearance during installation is realized by the aid of the convex points, the radial concentricity is realized by the aid of the installation auxiliary parts, and the installation is very simple and convenient.

Description

Without built-in bearing capacitance type rotary encoder and its installation method
Technical field
The present invention relates to rotary encoder design fields, more particularly to a kind of no built-in bearing capacitance type rotary encoder And its installation method.
Background technique
Currently, rotary encoder can be divided into photo-electric, magneto-electric and condenser type from principle, and can from mechanical mechanism It is divided into built-in bearing and without two kinds of structures of built-in bearing.Relative to there is built-in bearing rotary encoder, no built-in bearing rotation is compiled The advantage of code device is: saving space, allows high speed shaft, do not limited by bearing life without additional starting torque and service life Deng.But there is also insufficient places for no built-in bearing rotary encoder: its by motor shaft play interference and it is difficult to install.And Capacitance-type encoder is allowed higher axially and radially error, be can overcome the disadvantages that just using the principle of circle Scanning Detction Deficiency without built-in bearing structure.Therefore, occur being broadly divided into structure without built-in bearing capacitance type rotary encoder Rotor portion and stationary part, rotor portion are fixed with motor shaft or other revolving parts, stationary part and motor flange or its He fixes non-rotating part, and installation needs to meet two conditions.First, the range that rotor portion and stationary part allow in error It is interior concentric;Second, the axially opposing distance of rotor portion and stationary part is fixed value and the fixed value is not zero.And without built-in There is no being directly fixedly connected between the rotor mechanism and stator mechanism of bearing capacitance type rotary encoder itself, rotor mechanism exists There are the spaces of free floating in stator mechanism, lead to the current no generally existing installation of built-in bearing capacitance type rotary encoder Difficult problem.
Summary of the invention
Based on this, the present invention provide a kind of simple installation without built-in bearing capacitance type rotary encoder.
A kind of no built-in bearing capacitance type rotary encoder, comprising: rotor mechanism, the stator being set on rotor mechanism Structure and the installation auxiliary being set in stator mechanism;Rotor mechanism include: main shaft, the fixed ring for being set in main shaft top, with And it is connected to the turntable of main shaft bottom end;Main shaft is equipped with the inner hole for running through main shaft along the axial direction of main shaft;Stator mechanism includes: shell Body, and the upper circuit board and lower circuit board that are respectively accommodated in shell;The bottom of shell is equipped with several salient points;Shell, which is equipped with, to be received Hold the accommodating cavity of turntable;Upper circuit board, turntable and lower circuit board are with directional spreding from top to bottom in accommodating cavity;Upper circuit There are the first gaps for the upper surface of plate and turntable;There are the second gaps for the lower surface of lower circuit board and turntable;The height in the second gap It spends equal with the height of salient point;Auxiliary is installed for cyclic structure setting;Installation auxiliary is sheathed on the outside of shell and bottom end is equipped with Convex extension part.
Fixed ring includes: ring body and the locking piece for being connected to ring body side in one of the embodiments,;Ring body is set in The top of main shaft;Ring body offers adjustable clearance;Locking piece is threaded through the both ends of adjustable clearance.
Main shaft is equipped with the tightening slot of several axial directions along main shaft in one of the embodiments,.
Electrical connector is equipped between upper circuit board and lower circuit board in one of the embodiments,;Electrical connector, which is located at, to be turned The outside of disk.
Shell is equipped with perforation and is threaded through the fixing piece of perforation in one of the embodiments,;Perforation is located at the outer of turntable Side;Fixing piece is bolt.
Correspondingly, a kind of installation method of no built-in bearing capacitance type rotary encoder is provided, comprising steps of
There is provided a kind of no built-in bearing capacitance type rotary encoder, comprising: rotor mechanism is set on rotor mechanism and determines Clamp mechanism and the installation auxiliary being set in stator mechanism;Rotor mechanism includes: main shaft, the fixation for being set in main shaft top Ring and the turntable for being connected to main shaft bottom end;Main shaft is equipped with the inner hole for running through main shaft along the axial direction of main shaft;Stator mechanism packet It includes: shell, and the upper circuit board and lower circuit board that are respectively accommodated in shell;The bottom of shell is equipped with several salient points;Shell Accommodating cavity equipped with receiving turntable;Upper circuit board, turntable and lower circuit board are with directional spreding from top to bottom in accommodating cavity; There are the first gaps for the upper surface of upper circuit board and turntable;There are the second gaps for the lower surface of lower circuit board and turntable;Between second The height of gap and the height of salient point are equal;Auxiliary is installed for cyclic structure setting;Installation auxiliary is sheathed on outside and the bottom of shell End is equipped with convex extension part;
Installation auxiliary is removed, then measured axis is threaded through on inner hole;
Rotation stator mechanism is until salient point is connected on end face of flange;
Main shaft is pushed away along the axial direction of main shaft toward end face of flange, until the lower surface of turntable is abutted with lower circuit board, At this point, the first gap increases, the second gap is reduced to zero, then passes through the fixed ring position that principal shaft locking is current in measured axis On;
Roll-shell forces salient point to be trapped in the mounting hole on end face of flange, so that the bottom end face and flange of shell End face abuts, at this point, the first gap and the second gap are restored to original state;
Installation auxiliary is covered outside shell, the position of shell is adjusted, so that installation auxiliary cooperates with flange, shell simultaneously;
It is pressed on flange along the axial direction of main shaft by auxiliary is installed, after shell and flange locking, will install auxiliary Part is withdrawn, and is installed.
Fixed ring includes: ring body and the locking piece for being connected to ring body side in one of the embodiments,;Ring body is set in The top of main shaft;Ring body offers adjustable clearance;Locking piece is threaded through the both ends of adjustable clearance.
Main shaft is equipped with the tightening slot of several axial directions along main shaft in one of the embodiments,.
Electrical connector is equipped between upper circuit board and lower circuit board in one of the embodiments,;Electrical connector, which is located at, to be turned The outside of disk.
Shell is equipped with perforation and is threaded through the fixing piece of perforation in one of the embodiments,;Perforation is located at the outer of turntable Side;Fixing piece is bolt.
The invention has the benefit that using no built-in bearing capacitance type structure installation space can be saved, and install Depending on the size of auxiliary can be with the size of installation end, the structural requirement to installation end is reduced, the versatility of installation is improved.And nothing The precision of the axial gap of built-in bearing capacitance type rotary encoder during installation assists realizing by salient point, and radial direction is concentric Degree is then realized by installation auxiliary, reduces the structural requirement to installation end, and install very easy.
Detailed description of the invention
Fig. 1 is the schematic diagram without built-in bearing capacitance type rotary encoder of an embodiment of the present invention;
Fig. 2 is the schematic diagram at another visual angle of no built-in bearing capacitance type rotary encoder shown in FIG. 1;
Fig. 3 is the perspective view of the explosion of no built-in bearing capacitance type rotary encoder shown in FIG. 1;
Fig. 4 is the cross-sectional view of no built-in bearing capacitance type rotary encoder shown in FIG. 1 (without installation auxiliary);
Fig. 5 is the simplification version cross-sectional view of no built-in bearing capacitance type rotary encoder shown in Fig. 4;
Fig. 6 is the installation condition one of no built-in bearing capacitance type rotary encoder shown in fig. 5;
Fig. 7 is the installation condition two of no built-in bearing capacitance type rotary encoder shown in fig. 6;
Fig. 8 is the installation condition three of no built-in bearing capacitance type rotary encoder shown in Fig. 7;
The meaning of each label in attached drawing are as follows:
10- is without built-in bearing capacitance type rotary encoder;
20- rotor mechanism, 21- main shaft, 22- fixed ring, 23- turntable, 24- inner hole, 25- tighten slot, 26- ring body, 27- lock Determine part, 28- adjustable clearance;
30- stator mechanism, 31- shell, the upper circuit board of 32-, circuit board under 33-, 34- salient point, 35- accommodating cavity, 36- are passed through Hole, 37- fixing piece, the first gap 38-, the second gap 39-, 310- electrical connector;
40- installs auxiliary, the convex extension part 41-;
50- measured axis;
60- flange, 61- mounting hole.
Specific embodiment
To further understand the features of the present invention, technological means and specific purposes achieved, function, parse this hair Bright advantage and spirit, is further understood detailed description of the invention by below in conjunction with attached drawing and specific embodiment.
It is one embodiment of the invention without built-in bearing capacitance type rotary encoder 10 referring to Fig. 1 to Fig. 4.
This is without built-in bearing capacitance type rotary encoder 10, comprising: rotor mechanism 20 is set on rotor mechanism 20 and determines Clamp mechanism 30 and the installation auxiliary 40 being set in stator mechanism 30.Wherein, rotor mechanism 20 is for being connected to measured axis 50 On, depending on clamp mechanism 30 for being fixed on flange 60 and cooperate rotor mechanism 20 to realize speed measuring function.The tool of each structure Body is described as follows:
The rotor mechanism 20 includes: main shaft 21, the fixed ring 22 for being set in 21 top of main shaft and is connected to 21 bottom of main shaft The turntable 23 at end.Main shaft 21 is equipped with the inner hole 24 for running through main shaft 21 along the axial direction of main shaft 21.Main shaft 21 is equipped with several along master The tightening slot 25 of the axial direction of axis 21 tightens 25 deformation of slot, so that the internal diameter of main shaft 21 when 21 outside of main shaft is by pressure It reduces.Fixed ring 22 includes: ring body 26 and the locking piece 27 for being connected to 26 side of ring body.Ring body 26 is set in the top of main shaft 21 End, and offer adjustable clearance 28.Locking piece 27 is that (in other embodiments, which can also select buckle to bolt Or the element of other lockings), and it is threaded through the both ends of adjustable clearance 28.In use, turn locking piece 27 is adjusted, this is adjustable Gap 28 so that the internal diameter of ring body 26 is shunk, and then applies pressure to the outside of main shaft 21, forces tightening 25 deformation of slot, main shaft 21 internal diameter reduces, so that main shaft 21 and the link position of measured axis 50 be fixed.
The stator mechanism 30 includes: shell 31, and the upper circuit board 32 and lower circuit board that are respectively accommodated in shell 31 33.The bottom of shell 31 is equipped with several salient points 34.Shell 31 is equipped with the accommodating cavity 35 of receiving turntable 23.Meanwhile shell 31 is equipped with Perforation 36 and the fixing piece 37 for being threaded through perforation 36.The perforation 36 is located at the outside of turntable 23, and the fixing piece 37 is bolt.On Circuit board 32 and about 33 lower circuit board are oppositely arranged, and upper circuit board 32, turntable 23 and lower circuit board 33 with by up to Under directional spreding in accommodating cavity 35.There are the first gaps 38 for the upper surface of upper circuit board 32 and turntable 23.Lower circuit board 33 There are the second gaps 39 with the lower surface of turntable 23.Wherein, the first gap 38 and the second gap 39 are not zero, and the second gap 39 height is equal with the height of salient point 34.In the present embodiment, it is equipped between upper circuit board 32 and lower circuit board 33 for connecting It connects the two and the electrical connector 310 fixed with shell 31, the electrical connector 310 is located at the outside of turntable 23.
The installation auxiliary 40 is cyclic structure setting, and installation auxiliary 40 is sheathed on the outside of shell 31 and bottom end is equipped with and protrudes out Portion 41.In use, the main part of installation auxiliary 40 is set in 31 outside of shell, and convex extension part 41 is then set on flange 60.
Above-mentioned no built-in bearing capacitance type rotary encoder 10 has the beneficial effect that using no built-in bearing condenser type knot Depending on structure can save installation space, and the size for installing auxiliary 40 can be with the size of installation end, reduce to installation end Structural requirement improves the versatility of installation.And the axial gap without built-in bearing capacitance type rotary encoder 10 during installation Precision is realized by the auxiliary of salient point 34, and radial concentricity then passes through installation auxiliary 40 and realizes, reduces the structure to installation end It is required that and installing very easy.
It is the installation side without built-in bearing capacitance type rotary encoder 10 of one embodiment of the invention referring to Fig. 5 to Fig. 7 Method.Wherein, Fig. 5 is the simplification version view of Fig. 4, when convenient for showing installation emphatically, the first gap 38 and the second gap 39 Variation.
The installation method without built-in bearing capacitance type rotary encoder 10, comprising steps of
Step 1: provide a kind of no built-in bearing capacitance type rotary encoder 10, comprising: rotor mechanism 20, be set in turn Stator mechanism 30 on clamp mechanism 20 and the installation auxiliary 40 being set in stator mechanism 30.Rotor mechanism 20 includes: main shaft 21, it is set in the fixed ring 22 on 21 top of main shaft and is connected to the turntable 23 of 21 bottom end of main shaft.Main shaft 21 is equipped with along main shaft 21 Axial direction run through main shaft 21 inner hole 24.Main shaft 21 is equipped with the tightening slot 25 of several axial directions along main shaft 21.Stator Mechanism 30 includes: shell 31, and the upper circuit board 32 and lower circuit board 33 that are respectively accommodated in shell 31.The bottom of shell 31 Equipped with several salient points 34.Shell 31 is equipped with the accommodating cavity 35 of receiving 23 mechanism of turntable.Upper circuit board 32, turntable 23 and lower circuit Plate 33 is with directional spreding from top to bottom in accommodating cavity 35.There are the first gaps for the upper surface of upper circuit board 32 and turntable 23 38.There are the second gaps 39 for the lower surface of lower circuit board 33 and turntable 23.The height phase of the height in the second gap 39 and salient point 34 Deng.Auxiliary 40 is installed for cyclic structure setting.Installation auxiliary 40 is sheathed on the outside of shell 31 and bottom end is equipped with convex extension part 41.? In the present embodiment, fixed ring 22 includes: ring body 26 and the locking piece 27 for being connected to 26 side of ring body.Ring body 26 is set in main shaft 21 Top.Ring body 26 offers adjustable clearance 28.Locking piece 27 is threaded through the both ends of adjustable clearance 28.Locking piece 27 is bolt. Electrical connector 310 is equipped between upper circuit board 32 and lower circuit board 33.Electrical connector 310 is located at the outside of turntable 23.Shell 31 Equipped with perforation 36 and the fixing piece 37 for being threaded through perforation 36.Perforation 36 is located at the outside of turntable 23.Fixing piece 37 is bolt.
Step 2: installation auxiliary 40 is removed, then measured axis 50 is threaded through on inner hole 24.
Step 3: rotation stator mechanism 30 is until salient point 34 is connected on 60 end face of flange.
Step 4: main shaft 21 is pushed away along the axial direction of main shaft 21 toward 60 end face of flange, until the lower surface of turntable 23 It is abutted with lower circuit board 33, at this point, the first gap 38 increases, the second gap 39 is reduced to zero, then will be led by fixed ring 22 Axis 21 is locked on the current position of measured axis 50 (reference can be made to attached drawing 6).In the present embodiment, the locking mode of fixed ring 22 For turn locking member, adjustable clearance 28 narrows, so that fixed ring 22 oppresses the outside of main shaft 21, the internal diameter of main shaft 21 is forced to become It is small.
Step 5: roll-shell 31 forces salient point 34 to be trapped in the mounting hole 61 on 60 end face of flange, so that shell 31 Bottom end face abutted with 60 end face of flange, at this point, the first gap 38 and the second gap 39 are restored to original state.This is arrived, rotor machine Structure 20 and the steering gap adjustment of stator mechanism 30 finish.
Step 6: will install 40 sets of auxiliary outside shell 31, adjust shell 31 position so that installation auxiliary 40 simultaneously with Flange 60, shell 31 cooperate (reference can be made to attached drawing 7).
Step 7: it is pressed on flange 60 along the axial direction of main shaft 21 by auxiliary 40 is installed, by shell 31 and flange (fixing piece 37 is penetrated into perforation 36 after 60 lockings and is locked on flange 60), at this point, installation auxiliary 40 and flange 60 are same The heart, stator mechanism 30 and installation auxiliary 40 are concentric, to realize the concentric of stator mechanism 30 and flange 60.Then, it will install Auxiliary 40 is withdrawn, and (reference can be made to attached drawing 8) is installed.
The installation method of above-mentioned no built-in bearing capacitance type rotary encoder 10 has the beneficial effect that using no built-in bearing Depending on capacitance type structure can save installation space, and the size for installing auxiliary 40 can be with the size of installation end, reduction pair The structural requirement of installation end improves the versatility of installation.And the axis without built-in bearing capacitance type rotary encoder 10 during installation It is realized to the precision in gap by the auxiliary of salient point 34, and radial concentricity then passes through installation auxiliary 40 and realizes, reduces to installation The structural requirement at end, and install very easy.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (8)

1. a kind of no built-in bearing capacitance type rotary encoder characterized by comprising rotor mechanism is set in the rotor Stator mechanism in mechanism and the installation auxiliary being set in the stator mechanism;The rotor mechanism includes: main shaft, set It is located at the fixed ring on the main shaft top and is connected to the turntable of the main shaft bottom end;The main shaft is equipped with along the main shaft Axial direction run through the main shaft inner hole;The stator mechanism includes: shell, and is respectively accommodated in the shell Upper circuit board and lower circuit board;The bottom of the shell is equipped with several salient points;The shell is equipped with the accommodating for accommodating the turntable Chamber;The upper circuit board, the turntable and the lower circuit board are with directional spreding from top to bottom in the accommodating cavity;Institute Stating the upper surface of circuit board and the turntable, there are the first gaps;There are for the lower surface of the lower circuit board and the turntable Two gaps;The height in second gap is equal with the height of the salient point;The installation auxiliary is cyclic structure setting;It is described Installation auxiliary is sheathed on the outside of the shell and bottom end is equipped with convex extension part;
The fixed ring includes: ring body and the locking piece for being connected to the ring body side;The ring body is set in the main shaft Top;The ring body offers adjustable clearance;The locking piece is threaded through the both ends of the adjustable clearance;
The main shaft is equipped with the tightening slot of several axial directions along the main shaft.
2. no built-in bearing capacitance type rotary encoder according to claim 1, which is characterized in that the upper circuit board with Electrical connector is equipped between the lower circuit board;The electrical connector is located at the outside of the turntable.
3. no built-in bearing capacitance type rotary encoder according to claim 1, which is characterized in that the shell is equipped with and passes through Hole and the fixing piece for being threaded through the perforation;The perforation is located at the outside of the turntable;The fixing piece is bolt.
4. a kind of installation method of no built-in bearing capacitance type rotary encoder, which is characterized in that comprising steps of
There is provided a kind of no built-in bearing capacitance type rotary encoder, comprising: rotor mechanism is set on the rotor mechanism and determines Clamp mechanism and the installation auxiliary being set in the stator mechanism;The rotor mechanism includes: main shaft, is set in the master The fixed ring on axis top and the turntable for being connected to the main shaft bottom end;The main shaft is equipped with the axial direction along the main shaft Through the inner hole of the main shaft;The stator mechanism includes: shell, and the upper circuit board being respectively accommodated in the shell and Lower circuit board;The bottom of the shell is equipped with several salient points;The shell is equipped with the accommodating cavity for accommodating the turntable;It is described to power on Road plate, the turntable and the lower circuit board are with directional spreding from top to bottom in the accommodating cavity;The upper circuit board There are the first gaps with the upper surface of the turntable;There are the second gaps for the lower surface of the lower circuit board and the turntable;Institute The height for stating the second gap is equal with the height of the salient point;The installation auxiliary is cyclic structure setting;The installation auxiliary It is sheathed on the outside of the shell and bottom end and is equipped with convex extension part;
The installation auxiliary is removed, then measured axis is threaded through on the inner hole;
The stator mechanism is rotated until the salient point is connected on end face of flange;
The main shaft is pushed away along the axial direction of the main shaft toward the end face of flange, until turntable lower surface and it is described under Circuit board abuts, at this point, the first gap increases, the second gap is reduced to zero, then by the fixed ring by the lock spindle Tightly on the current position of measured axis;
The shell is rotated, the salient point is forced to be trapped in the mounting hole on the end face of flange, so that the bottom of the shell End surface is abutted with the end face of flange, at this point, the first gap and the second gap are restored to original state;
The installation auxiliary is covered outside the shell, the position of the shell is adjusted so that the installation auxiliary simultaneously with institute State flange, shell cooperation;
The installation auxiliary is pressed on the flange along the axial direction of the main shaft, by the shell and the flange After locking, the installation auxiliary is withdrawn, is installed.
5. the installation method of no built-in bearing capacitance type rotary encoder according to claim 4, which is characterized in that described Fixed ring includes: ring body and the locking piece for being connected to the ring body side;The ring body is set in the top of the main shaft;It is described Ring body offers adjustable clearance;The locking piece is threaded through the both ends of the adjustable clearance.
6. the installation method of no built-in bearing capacitance type rotary encoder according to claim 4, which is characterized in that described Main shaft is equipped with the tightening slot of several axial directions along the main shaft.
7. the installation method of no built-in bearing capacitance type rotary encoder according to claim 4, which is characterized in that described Electrical connector is equipped between upper circuit board and the lower circuit board;The electrical connector is located at the outside of the turntable.
8. the installation method of no built-in bearing capacitance type rotary encoder according to claim 4, which is characterized in that described Shell is equipped with perforation and is threaded through the fixing piece of the perforation;The perforation is located at the outside of the turntable;The fixing piece is Bolt.
CN201611177821.8A 2016-12-19 2016-12-19 Built-in bearing-free capacitive rotary encoder and mounting method thereof Active CN106525084B (en)

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Application Number Priority Date Filing Date Title
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CN106525084B true CN106525084B (en) 2019-02-26

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CN113764223A (en) * 2020-06-03 2021-12-07 哈尔滨冲之科技有限公司 Encoder device

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CN204718620U (en) * 2015-07-06 2015-10-21 成都伊贝基科技有限公司 Stent-type without shaft encoder
CN204788433U (en) * 2015-06-12 2015-11-18 珠海市台金科技有限公司 Code device
CN206248101U (en) * 2016-12-19 2017-06-13 广东盈动高科自动化有限公司 Capacitive rotary encoder without integral bearing

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Publication number Priority date Publication date Assignee Title
EP1895277B1 (en) * 2006-09-04 2009-05-06 SICK STEGMANN GmbH Winkelkodierer mit Montagehilfe
US10047826B2 (en) * 2015-02-18 2018-08-14 Nidec Motor Corporation Motor having ring for axially retaining stator

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Publication number Priority date Publication date Assignee Title
CN204788433U (en) * 2015-06-12 2015-11-18 珠海市台金科技有限公司 Code device
CN204718620U (en) * 2015-07-06 2015-10-21 成都伊贝基科技有限公司 Stent-type without shaft encoder
CN206248101U (en) * 2016-12-19 2017-06-13 广东盈动高科自动化有限公司 Capacitive rotary encoder without integral bearing

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