CN205693506U - A kind of servomotor presser device - Google Patents
A kind of servomotor presser device Download PDFInfo
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- CN205693506U CN205693506U CN201620526751.1U CN201620526751U CN205693506U CN 205693506 U CN205693506 U CN 205693506U CN 201620526751 U CN201620526751 U CN 201620526751U CN 205693506 U CN205693506 U CN 205693506U
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- connecting portion
- servomotor
- bearing
- rotor shaft
- pressing plate
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Abstract
This utility model is a kind of servomotor presser device, relates to technical field of motors, designs for solving the problem of rotor structure poor stability.This servomotor presser device includes rotor shaft, the fore bearing being sleeved on rotor shaft outfan, the drive end bearing bracket being sleeved on fore bearing, the rear bearing being sleeved on the non-outfan of rotor shaft, the rear end cap that is sleeved on rear bearing；One end of fore bearing leans with a shaft shoulder of rotor shaft, and the other end and a pressing plate of fore bearing lean；Pressing plate is sleeved on rotor shaft, and fixing with drive end bearing bracket is connected；One end of rear bearing leans with another shaft shoulder of rotor shaft, and the other end of rear bearing leans with rear end cap.The servomotor presser device that this utility model provides is for carrying out axial limiting to rotor shaft.
Description
Technical field
This utility model relates to technical field of motors, particularly relates to a kind of servomotor presser device.
Background technology
Servomotor is electromotor voltage signal being converted into torque and rotating speed to drive mechanical organ operating, as closing
Ring control system, it controls speed and positional precision is very accurate, and it is the core by servomotor that this high accuracy controls
Part encoder realizes.Encoder is positioned at the side of the non-outfan of servo motor shaft, is connected with rotor shaft, at servo electricity
In machine work process, encoder can be used for communication, biography by working out signal (such as bit stream) or data, being converted into
Signal that is defeated and that store, to realize the control of the high accuracy to servomotor.If encoder is damaged, then can cause servo electricity
Machine cannot normally work, and reduces production efficiency, shortens the service life of servomotor.
At present, in servomotor manufacturing technology, limit, if servo is electric owing to lacking the axial location to rotor shaft
The outfan of machine connects similar helical gear, rack gear, or in the complexity by alternate loads such as speed change degree, varying loads
Under operating mode, rotor shaft will produce axial tension load and by compressive load, thus cause the axial jump of rotor shaft.This
The kind amount of jumping, generally up to 1mm, not only results in the stress deformation of wave washer, reduces the structural stability of rotor, also can damage
Evil encoder, so that umber of pulse is lost, reduces the control accuracy of encoder, increases the fault rate of servomotor, shorten servo
The working life of motor, improves operation and maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of servomotor presser device, to solve above-mentioned rotor structure stability
The technical problem of difference.
This utility model is a kind of servomotor presser device, including rotor shaft, is sleeved on the output of described rotor shaft
Fore bearing on end, the drive end bearing bracket being sleeved on described fore bearing, the rear bearing being sleeved on the non-outfan of described rotor shaft,
It is sleeved on the rear end cap on described rear bearing；
One end of described fore bearing leans with a shaft shoulder of described rotor shaft, the other end of described fore bearing and a pressure
Plate leans；
Described pressing plate is sleeved on described rotor shaft, and fixing with described drive end bearing bracket is connected；
One end of described rear bearing leans with another shaft shoulder of described rotor shaft, the other end of described rear bearing and institute
State rear end cap to lean.
Further, described rotor shaft and described fore bearing are that interference fit is installed.
Further, the degree of depth of described drive end bearing bracket dead eye is less than the width of described fore bearing outer ring.
Further, described pressing plate includes the first connecting portion for installing motor and for against compressing described fore bearing
The second connecting portion, described second connecting portion and described drive end bearing bracket are fixing to be connected.
Further, when the diameter of axle of described first connecting portion is less than the diameter of axle of described second connecting portion, described second connects
In portion, the end face near described first connecting portion is less than the described drive end bearing bracket end face 0.2-2mm near described first connecting portion.
Further, when the diameter of axle of described first connecting portion is more than the diameter of axle of described second connecting portion, described first connects
In portion, the end face near described second connecting portion is higher than the described drive end bearing bracket end face 0.2-2mm near described first connecting portion.
Further, described pressing plate and described drive end bearing bracket are uniformly arranged by 3-6 circumference bolt or screw closely connect
Connect.
Further, described second connecting portion is for being provided with lightening grooves against the end face compressing described fore bearing.
Further, the center bore inner wall of described pressing plate has several cannelure, Matching installation in each described cannelure
There is dynamic seal.
Further, described dynamic seal is O RunddichtringO or lip-type packing, or described dynamic seal is that O type seals
Circle and the combination of lip-type packing.
This utility model has the benefit that
(1) this utility model is by arranging the outer ring of pressing plates fore bearing, together with the shaft shoulder of rotor shaft, jointly
Limit the axial location of fore bearing outer ring, it is achieved that the location completely of fore bearing outer ring, meanwhile, at the non-outfan of rotor shaft
Side, another shaft shoulder of rotor shaft and rear end cap limit the axial location of rear bearing jointly.For fore bearing and rear axle
The axial location held limits the axial location indirectly limiting rotor shaft, thus eliminates the axial float of rotor shaft
Amount, significantly reduces servomotor vibration in use and noise, improves stablizing of servomotor duty
Property, efficiently avoid the axial jump phenomenon of rotor shaft, improve the operating accuracy of encoder, thus improve servo electricity
The positioning precision of machine.
(2) stairstepping of pressing plate arranges the versatility significantly enhancing servomotor and motor mount.Real in factory
During the debugging of border, only can meet different production requirements by the pressing plate of replacing different model, drastically increase work
The interchangeability of factory's parts, decreases the acquisition cost of parts, makes production more convenient and efficient.
(3) for using the different operating modes of servomotor and different degree of protection, can to select different movable sealing forms,
And sealing member replacing is convenient.
(4) in the servomotor presser device that this utility model provides, it is solid with drive end bearing bracket that pressing plate is threaded connection part
Fixed connect, only can dismantle pressing plate and charging-up lubricant oil or lubrication in the case of servomotor entirety not being disassembled
Fat, it is simple to servomotor uses the maintenance in later stage.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right
In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model embodiment one servomotor presser device, and wherein, the first of pressing plate is even
Connect portion's diameter of axle less than the second connecting portion diameter of axle；
Fig. 2 is the structural representation of this utility model embodiment two servomotor presser device, and wherein, the first of pressing plate is even
Connect portion's diameter of axle more than the second connecting portion diameter of axle.
Reference:
1-rotor shaft, 2-fore bearing, 3-drive end bearing bracket, 4-pressing plate, 5-screw, 6-dynamic seal,
7-rear bearing, 8-wave washer, 9-rear end cap, 10-encoder, 11-casing；
41-the first connecting portion, 42-the second connecting portion.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
The technical scheme of type carries out clear, complete description.Obviously, described embodiment is only that a part of the present utility model is implemented
Example rather than whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the property made work premise, broadly falls into the scope of this utility model protection.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Embodiment one
As it is shown in figure 1, this utility model provides a kind of servomotor presser device, including rotor shaft 1, it is sleeved on and turns
Fore bearing 2, the drive end bearing bracket 3 being sleeved on fore bearing 2 on sub-rotating shaft 1 outfan, it is sleeved on the non-outfan of rotor shaft 1
Rear bearing 7, the rear end cap 9 being sleeved on rear bearing 7.One end of fore bearing 2 leans with a shaft shoulder of rotor shaft 1, front axle
Holding the other end and a pressing plate 4 of 2 to lean, pressing plate 4 is sleeved on rotor shaft 1, and fixing with drive end bearing bracket 3 is connected, rear bearing 7
Another shaft shoulder of one end and rotor shaft 1 lean, the other end of rear bearing 7 leans with rear end cap 9.
When installing left-hand helical gear and servo motor rotor rotating shaft 1 on servo motor rotor rotating shaft 1 outfan with clockwise
When direction rotates, or dextrorotation helical gear and servo motor rotor rotating shaft 1 are installed with inverse on servo motor rotor rotating shaft 1 outfan
When clockwise rotates, servo motor rotor rotating shaft 1 will be by direction axial load to the left, the transmission road of this axial load
Footpath is: axial load is passed to helical gear catch by helical gear left end face, and fixes spiral shell by being arranged on the helical gear of axle head
Nail passes to rotor shaft 1, then passes to coordinate with it on fore bearing 2 inner ring of installation by the spacing shaft shoulder of fore bearing 2, then leads to
Cross fore bearing 2 inner ring to pass on the rolling element of fore bearing 2, then passed to the outer ring of fore bearing 2 by the rolling element of fore bearing 2
On, and the pressing plate 4 that the outer ring left end face of fore bearing 2 is fixedly installed on drive end bearing bracket 3 is spacing, it is thereby achieved that in servo
The most spacing when motor rotor shaft 1 bears axial load to the left.Finally, axial load transmission gives drive end bearing bracket 3.
When installing left-hand helical gear and servo motor rotor rotating shaft 1 on servo motor rotor rotating shaft 1 outfan with counterclockwise
When direction rotates, or dextrorotation helical gear and servo motor rotor rotating shaft 1 are installed with suitable on servo motor rotor rotating shaft 1 outfan
When clockwise rotates, servo motor rotor rotating shaft 1 will be by direction axial load to the right, the transmission road of this axial load
Footpath is: axial load passes to rotor shaft 1 by helical gear its right end face, then by the spacing shaft shoulder of rear bearing 7 pass to
It coordinates on rear bearing 7 inner ring installed, then is passed on the rolling element of rear bearing 7 by rear bearing 7 inner ring, then passes through rear axle
Hold the rolling element of 7 to pass on the outer ring of rear bearing 7, and rear bearing 7 outer ring is spacing by rear end cap 9, it is thereby achieved that in servo
The most spacing when motor rotor shaft 1 bears axial load to the right.Finally, axial load transmission gives rear end cap 9.
In this utility model, fore bearing 2 is by a spacing shaft shoulder of rotor shaft 1 with against the pressure compressing fore bearing 2 outer ring
Plate 4 realizes the most spacing, and rear bearing 7 is by another spacing shaft shoulder of rotor shaft 1 with against compressing rear bearing 7 outer ring
Rear end cap 9 realizes the most spacing.By this limit method, what no matter servo motor rotor rotating shaft 1 was born is axially to be subject to
Drawing load or axial compression load, the servomotor presser device that this utility model provides all can ensure that servo motor rotor
Rotating shaft 1 axially the most spacing, eliminates the axial jump that rotor shaft 1 occurs in servomotor work process, improves turn
The job stability of sub-shafting structure, it is to avoid cause be connected to the non-output of rotor shaft 1 because of the axial jump of rotor shaft 1
The generation of the rough sledding that the encoder 10 on end damages, improves location and the control accuracy of servomotor.
Rotor shaft 1 is installed for interference fit with fore bearing 2, and the degree of depth of drive end bearing bracket 3 dead eye is less than fore bearing 2 outer ring
Width, such setting, pressing plate 4 can be made reliably to be compressed fore bearing 2 outer ring, thus ensure the second connecting portion 42
Seal face reliably compresses location for fore bearing 2 outer ring, meets the assembling of machine components in actual production process simultaneously and wants
Ask.
In the present embodiment, rotor shaft 1 is installed for interference fit with fore bearing 2, and the degree of depth of drive end bearing bracket 3 dead eye is less than front
The width of bearing 2 outer ring, fore bearing 2 outer ring reliably can be compressed, thus ensure that pressing plate 4 seal face is for front axle by pressing plate 4
That holds 2 outer rings reliably compresses location, meets the matching requirements of machine components simultaneously.
In the present embodiment, pressing plate 4 includes the first connecting portion 41 for installing servomotor and for described against compressing
Second connecting portion 42 of fore bearing 2, the second connecting portion 42 is fixing with drive end bearing bracket to be connected, and specifically, this fixing connected mode is permissible
It is that the second connecting portion 42 is installed for interference fits with drive end bearing bracket 3.Additionally, the axial width of the first connecting portion 41 of pressing plate 4 is permissible
It is set to 2-8mm.
Servomotor operationally needs to connect load by motor mount and uses, it is generally the case that motor is pacified
Dress seat can bought on the market, and for universal standard part, the aperture of its centre bore falls within standard series.In view of these feelings
Condition, pressing plate 4 is divided into the first connecting portion 41 for installing motor and is used for against compressing described fore bearing 2 by this utility model
Second connecting portion 42, wherein, the diameter of axle of the first connecting portion 41 can be equal with the diameter of axle of the second connecting portion 42, it is also possible to,
Its concrete diameter of axle size can according to the centre bore aperture of motor mount to be mounted be determined.So,
Pressing plate 4 can be manufactured into the standardized element of generalization, seriation, when servomotor needs to use under different work condition environments
Time, only by change with institute motor mount centre bore to be mounted adaptation pressing plate 4, just can meet servomotor at different rings
Use requirement under border.
Servomotor guiding on motor mount and location are to be pacified with motor by the first connecting portion 41 on pressing plate 4
Dress seat centre bore cooperates and realizes, in order to realize the reliable guiding of servomotor, and can axial by the first connecting portion 41
Thickness is set to 2-8mm.Pressing plate 4 and drive end bearing bracket 3 fixing is connected, in the installation process of pressing plate 4 for detachable, it is necessary first to
It is accurately positioned, with realize pressing plate 4 quick, accurately change, and being accurately positioned of pressing plate 4 is by the second connecting portion
42 cooperate with the drive end bearing bracket 3 being sleeved on fore bearing 2 realizes, and is meeting the detachable connection of pressing plate 4 and second even
On the premise of connecing being accurately positioned of portion 42, the second connecting portion 42 is that interference fits is installed with the fixing connected mode of drive end bearing bracket 3.
When the diameter of axle of the second connecting portion 42 that the diameter of axle of the first connecting portion 41 of pressing plate 4 is less than pressing plate 4, the second connecting portion
On 42, the end face near the first connecting portion 41 is less than the drive end bearing bracket 3 plane 0.2-2mm near the first connecting portion 41.
Servomotor is before use, it is necessary first to by drive end bearing bracket 3 near end face (drive end bearing bracket 3 in Fig. 1 of the first connecting portion 41
Leftmost side end face) cooperate with the end face of motor mount, then by some threaded connectors, drive end bearing bracket 3 is pacified with motor
Dress seat is fixing to be connected, to realize servomotor fixed installation before use.When the diameter of axle of the first connecting portion 41 of pressing plate 4 is less than
During the diameter of axle of the second connecting portion 42 of pressing plate 4, owing to, before servomotor is installed, needing the first connecting portion 41 stretches into motor peace
The centre bore of dress seat guides, in addition it is also necessary to by the end face of the drive end bearing bracket 3 end face near the first connecting portion 41 with motor mount
Cooperate, therefore, in order to avoid drive end bearing bracket 3 cannot coordinate with the end face of motor mount near the end face of the first connecting portion 41
Situation occur, the second connecting portion 42 should be slightly inseted into drive end bearing bracket 3 near first even near the end face of the first connecting portion 41
Connect the end face in portion 41, to meet assembly relation.When this kind of pressing plate 4 of processing and manufacturing, can be according to working condition and equipment and add
Work complexity, specifically determines the axial width of the second connecting portion 42, to meet on the second connecting portion near the first connecting portion 41
End face be slightly inseted into the drive end bearing bracket 3 matching requirements near the end face of the first connecting portion.
Additionally, screw 5 compact siro spinning technology that pressing plate 4 can be evenly arranged by 3-6 circumference with drive end bearing bracket 3.On pressing plate
Be provided with 3-6 through hole, through hole be shaped as notch cuttype counter sink, the counter sink of this shape adaptive can install GB/T
The hexagon socket cap head screw of 70.1-2008 series, the slotted cheese head screw of GB/T 65-2000 series, GB/T 822-
The cross recess fillister head screw of 2000 series or other fillister head screws.Such setting, it is possible to achieve pressing plate 4 detachable
Formula connects so that in the case of not disassembling servomotor entirety, it is possible to easily to fore bearing 2 charging-up lubricant oil
Or grease, reduces or avoids the fore bearing 2 close to load end and easily occur lacking lubrication and cause fore bearing 2 to lose efficacy
The generation of phenomenon, so that servomotor can bear relatively large load or be operated in the most severe working condition, greatly
Facilitate needs of production, enhance its suitability.Meanwhile, the setting of the notch cuttype counter sink on pressing plate 4, can avoid
Screw 5 is exposed to outside servomotor, increases the safety during servomotor uses, and saves space.For high-power,
The servomotor of large scale series, it is also possible to reasonably increase the quantity of screw 5 is strong with the connection of drive end bearing bracket 3 to improve pressing plate 4
Degree.
It should be noted that the shape of through holes on this utility model center platen 4 can also is that taper counter sink, when pressing plate 4
On counter sink when being shaped as taper, adaptive the cross recessed countersunk head sscrew of GB/T819.1-2000 series, GB/T can be installed
The cross recessed countersunk head sscrew of 819.2-1997 series, the slotted countersunk flat head screw of GB/T 68-2000 series or other conical head spiral shells
Nail.Additionally, the fixing connected mode of pressing plate 4 and drive end bearing bracket 3 can be to be the form that is attached of above-mentioned screw 5, but not only
It is confined to above-mentioned this type of attachment, it is also possible to use other types of attachment, as bolt connects, as long as it is by this connection
Form is capable of pressing plate 4 and is connected with the detachable fixing of drive end bearing bracket 3.
Second connecting portion 42 is for being provided with lightening grooves against the end face compressing described fore bearing 2.The size of lightening grooves, shape
Shapes etc. comprehensively can determine, as long as disclosure satisfy that the second connecting portion 42 can reliably compress according to the complexity of processing and cost
Fore bearing 2.So arrange, it is possible on the premise of meeting pressing plate 4 basic function, alleviate the weight of pressing plate 4, improve dismounting
The convenience of process.
Having several cannelure on the center bore inner wall of pressing plate 4, such as, the quantity of cannelure is 1-2, in each cannelure
Matching installation has dynamic seal 6, is i.e. provided with several dynamic seal 6 between the center bore inner wall and rotor shaft 1 of pressing plate 4,
Dynamic seal 6 is arranged in cannelure.
Dynamic seal 6 is set between pressing plate 4 and rotor shaft 1, it is possible to achieve servomotor internal medium is miscellaneous with the external world
The isolation of matter, prevents impurity from invading inside servomotor, to reduce servomotor mechanical loss in the course of the work and fortune
Row fault rate, thus improve the production efficiency of servomotor, and extend the service life of servomotor.
Specifically, dynamic seal 6 can be to select polytype sealing member form, and such as, dynamic seal 6 can be O type
Sealing ring or lip-type packing, or dynamic seal 6 can also be the combination of O RunddichtringO and lip-type packing.At motor
During actually used, degree of protection required when can use under different operating modes for servomotor is different, selects voluntarily
Meet dynamic seal 6 type and the quantity of this kind of environment, to extend the service life of servomotor.
Embodiment two
The present embodiment is also a kind of servomotor presser device, the structure and working principle of this servomotor presser device with
Servomotor presser device described in above-described embodiment one is essentially identical, and its difference is as described below.
In the present embodiment, the diameter of axle of the first connecting portion 41 of pressing plate 4 is more than the diameter of axle of the second connecting portion 42 of pressing plate 4, its
Remaining part separation structure and annexation, with described in embodiment one, do not repeat them here.As in figure 2 it is shown, when the first connecting portion of pressing plate 4
When the diameter of axle of 41 is more than the diameter of axle of the second connecting portion 42 of pressing plate 4, near the end face of the second connecting portion 42 on the first connecting portion 41
Higher than drive end bearing bracket 3 near the end face 0.2-2mm of the first connecting portion 41.
Owing to the compression of fore bearing 2 outer ring is the realization on end face that compresses by being resisted against the second connecting portion 42, now,
Compression end face on second connecting portion 42 should fit tightly with fore bearing 2 cycle surface, can ensure that pressing plate 4 compresses front axle
Hold 2 outer rings.Therefore, when the diameter of axle of the second connecting portion 42 that the diameter of axle of the first connecting portion 41 of pressing plate 4 is more than pressing plate 4, first
On connecting portion 41, the end face near the second connecting portion 42 should be slightly higher than drive end bearing bracket 3 end face (Fig. 2 near the first connecting portion 41
The leftmost side end face of middle drive end bearing bracket 3), in order to avoid the situation of excessively location occurs, cause fore bearing 2 cycle surface cannot be resisted against pressure
Situation on second connecting portion 42 end face of plate 4, causes location, fore bearing 2 outer ring to be lost efficacy so that axially leaping up occurs in rotor shaft 1
Dynamic.When this kind of pressing plate 4 of processing and manufacturing, can specifically determine second even according to working condition and equipment and processing complexity
Connect the axial width in portion 42, drive end bearing bracket should be slightly higher than with the end face of second connecting portion 42 close on satisfied first connecting portion 41
3 near the matching requirements of the end face of the first connecting portion 41.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (10)
1. a servomotor presser device, it is characterised in that include rotor shaft (1), to be sleeved on described rotor shaft (1) defeated
Go out fore bearing (2), the drive end bearing bracket (3) being sleeved on described fore bearing (2) on end, to be sleeved on described rotor shaft (1) non-defeated
The rear end cap (9) go out the rear bearing (7) on end, being sleeved on described rear bearing (7)；
One end of described fore bearing (2) leans with a shaft shoulder of described rotor shaft (1), the other end of described fore bearing (2)
Lean with a pressing plate (4)；
Described pressing plate (4) is sleeved on described rotor shaft (1), and fixing with described drive end bearing bracket (3) is connected；
One end of described rear bearing (7) leans with another shaft shoulder of described rotor shaft (1), another of described rear bearing (7)
End leans with described rear end cap (9).
Servomotor presser device the most according to claim 1, it is characterised in that described rotor shaft (1) with described before
Bearing (2) is that interference fit is installed.
Servomotor presser device the most according to claim 1, it is characterised in that described drive end bearing bracket (3) dead eye deep
Degree is less than the width of described fore bearing (2) outer ring.
Servomotor presser device the most according to claim 1, it is characterised in that described pressing plate (4) includes for installing
First connecting portion (41) of motor and for against compressing second connecting portion (42) of described fore bearing (2), described second connects
Portion (42) is fixing with described drive end bearing bracket (3) to be connected.
Servomotor presser device the most according to claim 4, it is characterised in that the diameter of axle of described first connecting portion (41)
During less than the diameter of axle of described second connecting portion (42), the upper end near described first connecting portion (41) of described second connecting portion (42)
Face is less than the end face 0.2-2mm of close described first connecting portion (41) of described drive end bearing bracket (3).
Servomotor presser device the most according to claim 4, it is characterised in that the diameter of axle of described first connecting portion (41)
During more than the diameter of axle of described second connecting portion (42), described first connecting portion (41) is upper near described second connecting portion (42)
End face is higher than the end face 0.2-2mm of close described first connecting portion (41) of described drive end bearing bracket (3).
Servomotor presser device the most according to claim 1, it is characterised in that described pressing plate (4) and described drive end bearing bracket
(3) bolt being uniformly arranged by 3-6 circumference or screw (5) compact siro spinning technology.
Servomotor presser device the most according to claim 4, it is characterised in that be used on described second connecting portion (42)
The end face compressing described fore bearing (2) is provided with lightening grooves.
Servomotor presser device the most according to claim 1, it is characterised in that the center bore inner wall of described pressing plate (4)
On have several cannelure, in each described cannelure, Matching installation has dynamic seal (6).
Servomotor presser device the most according to claim 9, it is characterised in that described dynamic seal (6) is that O type is close
Seal or lip-type packing, or the combination that described dynamic seal (6) is O RunddichtringO and lip-type packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526751.1U CN205693506U (en) | 2016-06-01 | 2016-06-01 | A kind of servomotor presser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526751.1U CN205693506U (en) | 2016-06-01 | 2016-06-01 | A kind of servomotor presser device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693506U true CN205693506U (en) | 2016-11-16 |
Family
ID=57259649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620526751.1U Active CN205693506U (en) | 2016-06-01 | 2016-06-01 | A kind of servomotor presser device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149844A (en) * | 2018-10-19 | 2019-01-04 | 核心驱动科技（金华）有限公司 | Disc type electric machine and its fixed structure of rotor |
| CN109546788A (en) * | 2019-01-18 | 2019-03-29 | 扬州电力设备修造厂有限公司 | A kind of valve fixes device with motor front end cover |
-
2016
- 2016-06-01 CN CN201620526751.1U patent/CN205693506U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149844A (en) * | 2018-10-19 | 2019-01-04 | 核心驱动科技（金华）有限公司 | Disc type electric machine and its fixed structure of rotor |
| CN109149844B (en) * | 2018-10-19 | 2024-04-02 | 浙江盘毂动力科技有限公司 | Disk motor and rotor fixing structure thereof |
| CN109546788A (en) * | 2019-01-18 | 2019-03-29 | 扬州电力设备修造厂有限公司 | A kind of valve fixes device with motor front end cover |
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