CN204267544U - The mounting structure of small aperture encoder - Google Patents

The mounting structure of small aperture encoder Download PDF

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Publication number
CN204267544U
CN204267544U CN201420473828.4U CN201420473828U CN204267544U CN 204267544 U CN204267544 U CN 204267544U CN 201420473828 U CN201420473828 U CN 201420473828U CN 204267544 U CN204267544 U CN 204267544U
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China
Prior art keywords
encoder
main shaft
bearing
whirligig
speed big
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CN201420473828.4U
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Chinese (zh)
Inventor
喻林
刘亮
罗金波
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JIANGXI GONG BU MACHINERY Co Ltd
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JIANGXI GONG BU MACHINERY Co Ltd
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Abstract

The utility model relates to the mounting structure of a kind of small aperture encoder, comprise encoder, also comprise multidiameter shaft and support, described rotating coder comprises the inner sleeve and overcoat that are mutually rotatably connected, gap is left between described inner sleeve and overcoat, described inner sleeve and/or put outward and be provided with corresponding position sensible element, described multidiameter shaft is installed on the bracket by outer bearing, the inner end of described multidiameter shaft is provided with radial flange, described radial flange coaxially connects the end flanges dish that described external rotor whirligig is positioned at encoder connecting end, the fixedly sleeved outer end at described multidiameter shaft of inner sleeve of described encoder or be coaxially connected by the outer end of coupling with described multidiameter shaft, the overcoat of coded device is fixedly connected with described support by link.The utility model testing precision is high, and installation approach safety is succinct, firm, reliability is high good, is specially adapted to low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism.

Description

The mounting structure of small aperture encoder
Technical field
The utility model relates to a kind of structure of installing encoders, and the encoder be particularly useful for for external rotor whirligig is installed.
Background technique
Encoder used in Crane Industry adopts the internal rotor encoder of band coupling shaft usually, generally be used in crane hoisting or run on motor, most and motor is made of one, adopting hollow shaft encoder directly to install is fixed on motor shaft, also have and encoder installed separately as parts, first encoder is installed on support, and then by flexible coupling, encoder is connected on motor shaft or crane hoisting mechanism lower velocity shaft on (being generally in spool shaft), with PLC with the use of, form closed loop control, its rotational position is detected with encoder, rotating speed and acceleration, object is the precision in order to control hoisting speed of crane and motion speed more accurately.But, along with the use of low-speed big outer rotor motor or the gearless external rotor crane hoisting mechanism based on this motor, main shaft due to this kind of whirligig is fixing different, external rotor rotates, and the connection size that main shaft etc. adapt to much larger than conventional coder about the diameter of installation connecting element, therefore the mounting structure of existing internal rotor encoder can not meet needs, in the urgent need to designing a kind of small aperture structure of installing encoders being adapted to the larger external rotor whirligig of this kind of diameter.
Summary of the invention
In order to solve the problems referred to above under prior art, the utility model provides the mounting structure of a kind of small aperture encoder, small aperture internal rotor encoder can be installed on the larger external rotor whirligig of radial dimension by this mounting structure, meets its position or speed etc. and detects needs.
The technical solution of the utility model is: the mounting structure of a kind of small aperture encoder, comprise encoder, also comprise multidiameter shaft and support, described encoder is rotating coder, described rotating coder comprises the inner sleeve and overcoat that are mutually rotatably connected, described inner sleeve and/or put outward and be provided with corresponding position sensible element, described multidiameter shaft is installed on the bracket by outer bearing, the inner end of described multidiameter shaft is provided with radial flange, described radial flange coaxially connects the end flanges dish that described external rotor whirligig is positioned at encoder connecting end, the fixedly sleeved outer end at described multidiameter shaft of inner sleeve of described encoder or be coaxially connected by the outer end of coupling with described multidiameter shaft, the overcoat of coded device is fixedly connected with described support by link.
The beneficial effects of the utility model are: the inner sleeve and the connection of overcoat respectively and between whirligig stator main shaft and end flanges that achieve encoder, overcome the problem that internal rotor encoder under prior art cannot be connected with external rotor whirligig, and the coupling achieved in Conncetion cimension, therefore adopt conventional internal rotor encoder just can externally the rotor-position parameter of rotor turning gear and the on-line monitoring of kinematic parameter, and testing precision is high, installation approach safety is succinct, firm, reliability is high good.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model.
Embodiment
See Fig. 1, the utility model provides the mounting structure of a kind of small aperture encoder, be applicable to low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism, it comprises encoder 1, multidiameter shaft 2 and support, described encoder can adopt small aperture internal rotor encoder, described multidiameter shaft is installed on the bracket by outer bearing 3, the inner end of described multidiameter shaft is provided with radial flange, described radial flange coaxially connects the end flanges dish 4 that described external rotor whirligig is positioned at encoder connecting end, the fixedly sleeved outer end at described multidiameter shaft of inner sleeve of described encoder or be coaxially connected with the outer end of described multidiameter shaft by coupling 5 or similar link, the overcoat of coded device is fixedly connected with described support by link.Coaxially be connected with the external rotor 6 of external rotor whirligig owing to being made the inner sleeve of encoder by multidiameter shaft, by corresponding link, overcoat is maintained static, the internal rotor encoder under routine techniques can be used for the detection of the larger external rotor whirligig of diameter thus.
Usually, described support is provided with the outer bearing carrier for installing described outer bearing, and described outer bearing carrier is preferably docked by the seat of honour 7 and lower seat 8 two-part and forms, together with the described seat of honour is fastened by bolts with lower seat, to facilitate processing, installation and maintenance.
Preferably, described outer bearing adopts double-row self-aligning bearing, to improve stress performance.
Preferably, described outer bearing carrier is fixed with the baffle ring 9 for bearing outer ring axial limiting and bearing cap 10, described baffle ring is positioned at the inner side of described outer bearing, described bearing cap is positioned at the outside of described outer bearing, described baffle ring and leave gap between bearing cap and described multidiameter shaft, to realize locating and avoiding the obstruction to multidiameter shaft reliably.
Preferably, described bearing cap and be equipped with between baffle ring and described bearing support sealing configuration and/Sealing, to improve sealability.
Usually, on described multidiameter shaft, the diameter of each shaft part successively decreases from inside to outside piecemeal, to be adapted to the installation dimension requirement of on whirligig and encoder corresponding.
Usually, described multidiameter shaft can be solid or hollow rotary structure part, when adopting hollow-core construction, can carry out threading and ventilation etc. by mesopore.
Preferably, described encoder overcoat and the link between described support comprise the Special-shaped flange 11 that transition is connected, the two ends of described Special-shaped flange are respectively peripheral annual joint and inner edge annular joint, part between described peripheral annual joint and inner edge annular joint is in the tubular with ring ladder, described peripheral annual connection part is in the inner end of described Special-shaped flange, be connected with bearing cap, described inner edge annular connection part is in the outer end of described Special-shaped flange, be connected with the mounting flange put outside described encoder, the axial position of corresponding and the connection request of radial dimension on whirligig and encoder are not only adapted to thus, but also effective protective action is played to parts such as outer bearings.
Preferably, at the encoder connecting end of described external rotor whirligig, the spindle nose of described external rotor whirligig is connected with the described end flanges disc spins of this end by the main shaft bearing 12 of this end, the outer ring of described main shaft bearing is arranged in the inner circle of described end flanges dish, the fixedly sleeved end at described main shaft of inner ring of described main shaft bearing, thus achieve the supporting of this end main-axis end and be rotatably connected, for the use of internal rotor encoder provides advantage.
Especially, described external rotor whirligig can be low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism, the external rotor of described whirligig is the external rotor of described low-speed big outer rotor motor or the reel of described low-speed big gearless crane hoisting mechanism, the stator main shaft 13 of described whirligig is the stator main shaft of described low-speed big outer rotor motor or the main shaft of described low-speed big gearless crane hoisting mechanism, the described end flanges dish being positioned at described encoder connecting end can be deceleration method orchid dish, is furnished with braking device, to solve the problem that prior art internal rotor encoder is unsuitable for low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism.

Claims (14)

1. the mounting structure of a small aperture encoder, comprise encoder, described encoder is rotating coder, described rotating coder comprises the inner sleeve and overcoat that are mutually rotatably connected, described inner sleeve and/or put outward and be provided with corresponding position sensible element, characterized by further comprising multidiameter shaft and support, described multidiameter shaft is installed on the bracket by outer bearing, the inner end of described multidiameter shaft is provided with radial flange, described radial flange coaxially connects the end flanges dish that external rotor whirligig is positioned at encoder connecting end, the fixedly sleeved outer end at described multidiameter shaft of inner sleeve of described encoder or be coaxially connected by the outer end of coupling with described multidiameter shaft, the overcoat of coded device is fixedly connected with described support by link.
2. the mounting structure of small aperture as claimed in claim 1 encoder, it is characterized in that described support is provided with the outer bearing carrier for installing described outer bearing, described outer bearing carrier is docked by the seat of honour and lower seat two-part and forms, together with the described seat of honour is fastened by bolts with lower seat.
3. the mounting structure of small aperture as claimed in claim 2 encoder, is characterized in that described outer bearing adopts double-row self-aligning bearing.
4. the mounting structure of small aperture as claimed in claim 3 encoder, it is characterized in that described outer bearing carrier being fixed with the baffle ring for bearing outer ring axial limiting and bearing cap, described baffle ring is positioned at the inner side of described outer bearing, described bearing cap is positioned at the outside of described outer bearing, described baffle ring and leave gap between bearing cap and described multidiameter shaft.
5. the mounting structure of small aperture as claimed in claim 4 encoder, is characterized in that described bearing cap and is equipped with sealing configuration and/or Sealing between baffle ring and described bearing support.
6. the mounting structure of small aperture as claimed in claim 5 encoder, is characterized in that the diameter of each shaft part on described multidiameter shaft successively decreases from inside to outside piecemeal.
7. the mounting structure of the small aperture encoder as described in claim 1,2,3,4,5 or 6, is characterized in that described multidiameter shaft is solid or hollow rotary structure part.
8. the mounting structure of small aperture as claimed in claim 7 encoder, it is characterized in that the Special-shaped flange that described encoder overcoat and the link between described support comprise transition and be connected, the two ends of described Special-shaped flange are respectively peripheral annual joint and inner edge annular joint, part between described peripheral annual joint and inner edge annular joint is in the tubular with ring ladder, described peripheral annual connection part is in the inner end of described Special-shaped flange, be fixedly connected with described bearing cap, described inner edge annular connection part is in the outer end of described Special-shaped flange, be connected with the mounting flange put outside described encoder.
9. the mounting structure of the small aperture encoder as described in claim 1,2,3,4,5 or 6, it is characterized in that the encoder connecting end at described external rotor whirligig, the spindle nose of described external rotor whirligig is connected with the described end flanges disc spins of this end by the main shaft bearing of this end, the outer ring of described main shaft bearing is arranged in the inner circle of described end flanges dish, the fixedly sleeved end at described main shaft of inner ring of described main shaft bearing.
10. the mounting structure of small aperture as claimed in claim 9 encoder, it is characterized in that described external rotor whirligig is low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism, the external rotor of described whirligig is the external rotor of described low-speed big outer rotor motor or the reel of described low-speed big gearless crane hoisting mechanism, the stator main shaft of described whirligig is the stator main shaft of described low-speed big outer rotor motor or the main shaft of described low-speed big gearless crane hoisting mechanism, be positioned at the described end flanges dish of described encoder connecting end for braking flange plate, is furnished with braking device.
The mounting structure of 11. small aperture as claimed in claim 7 encoders, it is characterized in that the encoder connecting end at described external rotor whirligig, the spindle nose of described external rotor whirligig is connected with the described end flanges disc spins of this end by the main shaft bearing of this end, the outer ring of described main shaft bearing is arranged in the inner circle of described end flanges dish, the fixedly sleeved end at described main shaft of inner ring of described main shaft bearing.
The mounting structure of 12. small aperture as claimed in claim 11 encoders, it is characterized in that described external rotor whirligig is low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism, the external rotor of described whirligig is the external rotor of described low-speed big outer rotor motor or the reel of described low-speed big gearless crane hoisting mechanism, the stator main shaft of described whirligig is the stator main shaft of described low-speed big outer rotor motor or the main shaft of described low-speed big gearless crane hoisting mechanism, be positioned at the described end flanges dish of described encoder connecting end for braking flange plate, is furnished with braking device.
The mounting structure of 13. small aperture as claimed in claim 8 encoders, it is characterized in that the encoder connecting end at described external rotor whirligig, the spindle nose of described external rotor whirligig is connected with the described end flanges disc spins of this end by the main shaft bearing of this end, the outer ring of described main shaft bearing is arranged in the inner circle of described end flanges dish, the fixedly sleeved end at described main shaft of inner ring of described main shaft bearing.
The mounting structure of 14. small aperture as claimed in claim 13 encoders, it is characterized in that described external rotor whirligig is low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism, the external rotor of described whirligig is the external rotor of described low-speed big outer rotor motor or the reel of described low-speed big gearless crane hoisting mechanism, the stator main shaft of described whirligig is the stator main shaft of described low-speed big outer rotor motor or the main shaft of described low-speed big gearless crane hoisting mechanism, be positioned at the described end flanges dish of described encoder connecting end for braking flange plate, is furnished with braking device.
CN201420473828.4U 2014-08-21 2014-08-21 The mounting structure of small aperture encoder Active CN204267544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420473828.4U CN204267544U (en) 2014-08-21 2014-08-21 The mounting structure of small aperture encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420473828.4U CN204267544U (en) 2014-08-21 2014-08-21 The mounting structure of small aperture encoder

Publications (1)

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CN204267544U true CN204267544U (en) 2015-04-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329868A (en) * 2015-06-30 2017-01-11 西门子公司 Motor, electric vehicle with same motor, and hybrid vehicle with same motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329868A (en) * 2015-06-30 2017-01-11 西门子公司 Motor, electric vehicle with same motor, and hybrid vehicle with same motor
CN106329868B (en) * 2015-06-30 2021-10-22 西门子公司 Motor and electric vehicle and hybrid vehicle with same

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