CN207994840U - The mounting structure of traction machine encoder - Google Patents
The mounting structure of traction machine encoder Download PDFInfo
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- CN207994840U CN207994840U CN201820468639.6U CN201820468639U CN207994840U CN 207994840 U CN207994840 U CN 207994840U CN 201820468639 U CN201820468639 U CN 201820468639U CN 207994840 U CN207994840 U CN 207994840U
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Abstract
The utility model discloses a kind of mounting structures of traction machine encoder, traction machine includes traction sheave, brake hubs, shell, shell is formed with the middle shaft part of hollow structure, bearing is installed between the middle shaft part and brake hubs of shell, traction sheave is fixedly connected with the brake hubs, the front end of the shell middle shaft part is equipped with the bearing (ball) cover of bearing described in axial restraint, the bearing (ball) cover is hollow structure, the encoder is mounted in the bearing (ball) cover and encoder motion component is fixed on an encoder holder, the encoder holder is fixedly mounted on the front end face of the brake hubs and compresses the traction sheave.The utility model is suitable for the traction machine of the different housings diameter of axle, it is less economical and be difficult to when can not only solve the disadvantage that less economical when encoder is installed by shell front carriage mode in small axle diameter traction machine and difficult positioning and encoder can not be mounted on the difficult point in hollow shaft, and can solve the disadvantage that encoder is installed by reducing in big shell diameter of axle traction machine.
Description
Technical field
The utility model is related with lift facility, particularly belongs to a kind of mounting structure of encoder in traction machine.
Background technology
Currently, what well known elevator mostly used greatly is all permanent magnetism synchronization gear wheel free outer rotor tractor, compiled in traction machine
Code device is an indispensable part.In general, the mounting means of encoder mainly includes the rear-mounted installation of computer room and inorganic
The forward type in room installs two kinds.
In the traction machine for having computer room, most of encoder is selectively mounted to the rear portion of housing bore, as shown in Figure 1, utilizing
Housing bore and axis realize the positioning of encoder.Although this location structure can effectively utilize the hollow space of rear,
Be in the traction machine for but cannot be satisfied machine room encoder from front end assembly and dissembling inspection demand, therefore the scope of application exist
Limitation.
And in the traction machine of machine room, then there are many forms for the mounting means of encoder, include mainly encoder side
Installation, encoder are installed by way of housing forward end mounting bracket, encoder is in hollow shell axis etc..Machine room
When encoder in traction machine is mounted in hollow shell axis, it is desirable that the size of traction machine hollow housing axis is larger, needs simultaneously
Coordinate the bearing of the selection larger specification of internal diameter, this often may result in the performance of bearing considerably beyond demand, cost is caused to increase
Add, economy reduces.Moreover, when the inner hollow diameter size of the hollow housing axis of shell is larger, and reducing is needed to adapt to encode
The installation of device be easy to cause the waste of material in this way, and the processing positioning difficulty of shell increases.Alternatively, the axis of hollow housing axis
Encoder can only be installed by the way of the preposition holder of shell in the case that diameter is smaller, as shown in Fig. 2, space application and warp in this way
Ji property is bad.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of mounting structures of traction machine encoder, can meet
The installation requirement of the traction machine of diversified forms.
In order to solve the above technical problems, the mounting structure of traction machine encoder provided by the utility model, the traction machine
Including traction sheave, brake hubs, shell, the shell is formed with the middle shaft part of hollow structure, and the middle shaft part of the shell is mounted on
The inner ring of bearing, the brake hubs are mounted on the outer ring of bearing, and the traction sheave is fixedly connected with the brake hubs, the shell
The front end of middle shaft part is equipped with the bearing (ball) cover of bearing described in axial restraint, and the bearing (ball) cover is hollow structure, the coding
Device is mounted in the bearing (ball) cover and the moving component of encoder is fixed on an encoder holder, and the encoder holder is solid
Front end face and the compression traction sheave of the Dingan County mounted in the brake hubs.
Preferably, in said structure, the middle shaft part of the bearing (ball) cover and the shell is positioned by fixing structure.
Preferably, in said structure, the encoder holder is positioned with the brake hubs by fixing structure.
Preferably, in said structure, fore bearing is equipped between the middle shaft part of the shell and the brake hubs with after
Bearing.Further, it is clearance fit between the inner ring and the middle shaft part of the shell of the rear bearing.
Preferably, being interference fit between the traction sheave and the brake hubs in said structure.
Preferably, in said structure, the encoder, encoder holder, bearing (ball) cover, brake hubs, traction sheave with
The middle shaft part of the shell is coaxial.
Wherein in said structure, the bearing (ball) cover is in " [" type.Alternatively, the bearing (ball) cover is flange plate structure.
Preferably, in said structure, the bearing (ball) cover is fixed by screws in the middle shaft part front end of the shell.
The utility model is beneficial in that：
1) structure of installing encoders of the utility model is suitable for the traction machine of the small shell diameter of axle, can efficiently solve small
The shortcomings that less economical and difficult positioning that encoder is brought using shell front mounting bracket mode in the traction machine of the diameter of axle, and
It cannot achieve the difficult point that encoder is mounted on hollow mandrel interior in small axle diameter traction machine；
2) structure of installing encoders of the utility model is suitable for the traction machine of the big shell diameter of axle, can efficiently solve big
It needs to solve the disadvantage that encoder installation is less economical and is difficult to by way of reducing in the traction machine of the shell diameter of axle；
3) the utility model is improved the structure of bearing (ball) cover, because bearing (ball) cover with respect to shell machinability more
It is good, and positioned with coaxial bearing, it can better ensure that concentricity and verticality of the encoder relative to shafting, while encoder branch
Frame can protect encoder from hitting；
4) the utility model maintains convenient for later maintenance, and encoder can be easily dismounted in replacement process.
Description of the drawings
Fig. 1 is the schematic diagram that encoder is installed on housing bore rear portion in the traction machine for have in the prior art computer room；
The schematic diagram that Fig. 2 is installed for encoder in the traction machine of machine room in the prior art by fore-stock；
Fig. 3 is the structural schematic diagram for installing encoder in the utility model in the shell of the small shell diameter of axle；
Fig. 4 is the structural schematic diagram of the bearing (ball) cover in Fig. 3；
Fig. 5 is the structural schematic diagram of encoder holder；
Fig. 6 is the structural schematic diagram that the utility model installs encoder in the shell of the big shell diameter of axle.
Wherein the reference numerals are as follows：
1 is encoder holder；2 be bearing (ball) cover；3 be brake hubs；4 be traction sheave；5 be encoder；6 be bolt；Before 7 are
Bearing；8 be rear bearing；9 be shell.
Specific implementation mode
The utility model is described in further detail with specific implementation mode below in conjunction with the accompanying drawings.
First embodiment
The first structure of installing encoders provided by the utility model, as shown in figure 3, wherein traction machine include traction sheave 4,
Brake hubs 3, shell 9, the shell 9 are formed with the middle shaft part of hollow structure, and the middle shaft part of the shell 9 is mounted on the interior of bearing
Circle, the brake hubs 3 are mounted on the outer ring of bearing, and the traction sheave 4 is fixedly connected with the brake hubs 3.In the present embodiment,
It is interference fit between traction sheave 4 and brake hubs 3.
In the present embodiment, fore bearing 7 and rear bearing are installed between the middle shaft part of the shell 9 and the brake hubs 3
8.Also, it is clearance fit between the inner ring of rear bearing 8 and the middle shaft part of the shell 9, and rear bearing is pacified by press-fit
It is attached to brake hubs endoporus.
In first embodiment shown in Fig. 3, since the inner hollow diameter of the middle shaft part of the formation of shell 9 is smaller, so at this time
Encoder 5 can not be installed in the hollow structure of middle shaft part.In order to solve foregoing problems, the middle shaft part front end of shell 9 is equipped with
One bearing (ball) cover 2, the bearing (ball) cover 2 are fixedly connected by screw with the middle shaft part end of shell 9.2 centering of the bearing (ball) cover
Bearing between axle portion and brake hubs 3 carries out axially position.
Bearing (ball) cover 2 be hollow structure, in the present embodiment, bearing (ball) cover 2 mainly in " [" type, as shown in Figure 4.Coding
Device 5 is mounted in the hollow cavity of bearing (ball) cover 2 and the moving component of encoder is fixed on an encoder holder 1, is realized
The radial positioning and axially position of encoder.There is encoder 5 axis, the axis to be fixed on encoder holder 1 by bolt 6
On.The signal transmssion line of encoder 5 is drawn out to 9 rear portion of shell by the hollow middle shaft part of shell.
As shown in figure 5, encoder holder 1 includes the outer ring of circular ring shape and criss-cross interior truss, it is provided on the outer ring
Screw hole, the present embodiment is for four, for mounting screw to be fixedly connected with encoder holder 1 and brake hubs 3, the cross
It is provided with bolt hole at the interior truss center of shape, for installation bolt 6 to connect the axis and encoder holder 1 of encoder 5.
In order to ensure that the installation of bearing (ball) cover 2 and encoder holder 1, the front end of brake hubs 3 are formed with the cavity (shell of indent
The middle shaft part of body 9 is not extended into the cavity), bearing (ball) cover 2 is located in the cavity and is fixed, while encoder holder 1
It is fixedly mounted on the front end face of the brake hubs 3 and compresses the traction sheave 4, such traction sheave 4 is connect with 3 interference of brake hubs
When, it is not necessarily to additional axial restraint.
Bearing (ball) cover 2 and the middle shaft part of shell 9 are positioned by fixing structure, as shown in figure 3, the middle shaft part of shell 9
It is formed with male half coupling, accordingly, bearing (ball) cover 2 is formed with concave mouth.
It is positioned also by fixing structure between encoder holder 1 and brake hubs 3, as shown in figure 3, encoder holder 1
It is formed with male half coupling, accordingly, brake hubs 3 are formed with concave mouth.
In the present embodiment, the shell of encoder 5 fixes the realization of bearing (ball) cover 2 by special designing, the axis of encoder
It is paid on encoder holder 1 by the lock of bolt 6.Bearing (ball) cover 2 and encoder holder 1 wrap up encoder 5 wherein, can be to compiling
Code device 5 plays a protective role.
Encoder holder 1 is placed in the front end face of brake hubs 3, is positioned in a manner of seam allowance, and compresses traction sheave 4, makes traction
When wheel 4 is connect with 3 interference of brake hubs, it is not necessarily to additional axial restraint.
Bearing (ball) cover 2 is positioned in a manner of seam allowance with the middle shaft part of shell 9, and compresses fore bearing 7, because using same axle journal
(middle shaft part) positions, therefore concentricity can be effectively ensured.Meanwhile encoder 5, encoder holder 1, brake hubs 3, traction sheave 4
It is coaxial with the middle shaft part of the shell.
After the fore bearing 7 of the utility model is installed to 3 hole of brake hubs position, its entirety can be sling assembly by when assembling, saving
Assembly difficulty can be reduced while material, and bearing (ball) cover 2 can effectively compress fore bearing 7, realize that the axial direction of entire rotor is fixed
Position.
The related installation steps of the applicable traction machine of the utility model include：
Traction sheave 4 is using interference fit on 3 corresponding axle journal of brake hubs, and fore bearing 7, rear bearing 8 are in entirety
The Kong Weizhong of brake hubs 3 is assembled to before assembling；
When installation, entire rotor assembly is integrally sling into assembly, efficiently reduces assembly difficulty, bearing (ball) cover 2 is being installed
It is installed after rotor process, because sharing an axis positioning, it is ensured that concentricity can effectively compress fore bearing 7, realize entire rotor
Axially position；
Followed by the installation of encoder 5 first passes through the signal transmssion line of encoder 5 hollow before installing encoder 5
Shell axis be drawn out to 9 rear portion of shell, data line is installed on encoder 5, the axis of encoder 5 is solid by bolt 6
It is scheduled on the encoder holder 1 positioned with 3 seam allowance of brake hubs, encoder 5 is filled in into bearing (ball) cover when installing encoder holder 1
In 2 hollow cavity, encoder housing is positioned in bearing (ball) cover 2 by the expansion of screwing bolts tensioning ring.
When traction machine needs to dismantle encoder, demounting procedure is：It will be used in bearing (ball) cover 2 by encoder holder 1 solid
The tensioning ring bolt for determining encoder 5 unscrews, and the bolt of regular coding device holder 1 is screwed off, by encoder 5 from encoder holder 1
On remove, extract encoder 5 data line, you can take out encoder 5.
In the present embodiment, structure of installing encoders is suitable for the traction machine of the small shell diameter of axle (internal diameter of middle shaft part is smaller),
It uses the bearing (ball) cover of special hollow structure and corresponding encoder holder that encoder is integrated at bearing (ball) cover, wears
The data line of encoder can be drawn from housing rear end by crossing the hollow middle shaft part of shell, be torn open from traction machine front end to realize
Encoder is filled, encoder in the traction machine of small axle diameter is efficiently solved and uses the economy that shell front mounting bracket mode is brought
The difficult point that encoder is mounted on hollow mandrel interior is cannot achieve in the shortcomings that difference and difficult positioning and small axle diameter traction machine.
Second embodiment
Second of structure of installing encoders provided by the utility model, as shown in fig. 6, the principle with first embodiment is basic
It is identical, the difference is that the inner hollow diameter for the middle shaft part that shell 9 is formed is larger, coding can only be installed by the way of reducing at present
Device.
To solve the above-mentioned problems, bearing (ball) cover 2 is using the structure of flange plate type, and encoder 5 is mounted on bearing (ball) cover 2
In interstitial hole, as shown in fig. 6, there is encoder 5 axis, the axis to be fixed on encoder holder 1 by bolt 6, to
Realize the radial positioning and axially position of encoder 5.Remaining structure is essentially identical with first embodiment, and and therefore not to repeat here.
Bearing of the bearing (ball) cover 2 between middle shaft part and brake hubs 3 carries out axially position.Encoder holder 1 is located at
The front end of bearing (ball) cover 2 is fixedly mounted on the front end face of the brake hubs 3 and compresses the traction sheave 4.
Bearing (ball) cover 2 and the middle shaft part of shell 9 are positioned by fixing structure, as shown in fig. 6, the middle shaft part of shell 9
It is formed with male half coupling, accordingly, bearing (ball) cover 2 is formed with concave mouth.
In the present embodiment, structure of installing encoders is suitable for the traction machine of the big shell diameter of axle, can efficiently solve big
It needs to solve the disadvantage that encoder installation is less economical and is difficult to by way of reducing in the traction machine of the shell diameter of axle.
The utility model is described in detail above by specific embodiment, the embodiment is only this practicality
Novel preferred embodiment not limits the utility model.In the case where not departing from the utility model principle, this
The equivalent replacement and improvement that the technical staff in field makes the shape, structure of bearing (ball) cover and the shape, structure of brake hubs etc.,
It is regarded as in the technology scope that the utility model is protected.
Claims (10)
1. a kind of mounting structure of traction machine encoder, the traction machine includes traction sheave, brake hubs, shell, the shell shape
At the middle shaft part for having hollow structure, the middle shaft part of the shell is mounted on the inner ring of bearing, and the brake hubs are mounted on bearing
Outer ring, the traction sheave are fixedly connected with the brake hubs, which is characterized in that the front end of the shell middle shaft part is equipped with axial direction
The bearing (ball) cover of the fixed bearing, the bearing (ball) cover are hollow structure, and the encoder is mounted in the bearing (ball) cover
And the moving component of encoder is fixed on an encoder holder, before the encoder holder is fixedly mounted on the brake hubs
End face and the compression traction sheave.
2. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the bearing (ball) cover with it is described
The middle shaft part of shell is positioned by fixing structure.
3. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the encoder holder and institute
Brake hubs are stated to position by fixing structure.
4. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the middle shaft part of the shell and
Fore bearing and rear bearing are installed between the brake hubs.
5. the mounting structure of traction machine encoder according to claim 4, which is characterized in that it is described after bearing inner ring with
It is clearance fit between the middle shaft part of the shell.
6. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the traction sheave and the brake
It is interference fit between nave boss.
7. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the encoder, encoder
Holder, bearing (ball) cover, brake hubs, traction sheave are coaxial with the middle shaft part of the shell.
8. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the bearing (ball) cover in " ["
Type.
9. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the bearing (ball) cover is flange
Dish structure.
10. the mounting structure of traction machine encoder according to claim 1, which is characterized in that the bearing (ball) cover passes through
Screw is fixed on the middle shaft part front end of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820468639.6U CN207994840U (en) | 2018-03-30 | 2018-03-30 | The mounting structure of traction machine encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820468639.6U CN207994840U (en) | 2018-03-30 | 2018-03-30 | The mounting structure of traction machine encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207994840U true CN207994840U (en) | 2018-10-19 |
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ID=63831283
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820468639.6U Active CN207994840U (en) | 2018-03-30 | 2018-03-30 | The mounting structure of traction machine encoder |
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| CN (1) | CN207994840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462324A (en) * | 2018-03-30 | 2018-08-28 | 永大电梯设备（中国）有限公司 | The mounting structure of traction machine encoder |
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2018
- 2018-03-30 CN CN201820468639.6U patent/CN207994840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462324A (en) * | 2018-03-30 | 2018-08-28 | 永大电梯设备（中国）有限公司 | The mounting structure of traction machine encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190816 Address after: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Patentee after: Shanghai GIE EM Co., Ltd. Address before: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee before: Yungtay elevator equipment Co., Ltd. (China) |
|
| TR01 | Transfer of patent right |