CN209322263U - A kind of elevator traction machine of single-bearing load-bearing - Google Patents
A kind of elevator traction machine of single-bearing load-bearing Download PDFInfo
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- CN209322263U CN209322263U CN201821978674.9U CN201821978674U CN209322263U CN 209322263 U CN209322263 U CN 209322263U CN 201821978674 U CN201821978674 U CN 201821978674U CN 209322263 U CN209322263 U CN 209322263U
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- protruding shaft
- traction sheave
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Abstract
The utility model provides a kind of elevator traction machine of single-bearing load-bearing, belongs to elevator traction machine technical field comprising base comprising protruding shaft is provided with stator on base；Loading bearing is sheathed on outside protruding shaft；Traction sheave is sheathed on outside loading bearing and is provided with rotor corresponding with stator, wherein the load-bearing center of traction sheave and the load-bearing center of loading bearing are in same section.The utility model has the advantages that compact-sized.
Description
Technical field
The utility model belongs to elevator traction machine technical field, is related to a kind of elevator traction machine of single-bearing load-bearing.
Background technique
Elevator traction machine is the power part of elevator, mainly by traction sheave drive wirerope, on rope traction elevator
It rises or declines.In the prior art, generallyd use using the elevator traction machine of cantilever load-bearing duplex bearing supported, bearing is all set to
Side, the bearing close to traction sheave side will not only undertake the load on traction sheave, but also undertake another far from traction sheave
One bearing is the power for overcoming tilting moment caused by traction load on the wheel and generating, therefore to the carrying energy of previous bearing
Force request can be greater than the load on traction sheave, and increase more significant for flat structure.
For example, one application No. is 200620000040.7 Chinese patents, disclose a kind of permanent magnetic synchronous traction machine, including
Base, stator, rotor block, brake etc., permanent magnet is fixed on the inner wall of rotor block, and rotor block is installed on axis by key,
On two-side sealing deep groove ball bearing that axis is mounted on rear base and self-aligning roller bearing before being mounted on base, on tapered shaft
Traction sheave is locked by the fixed traction sheave of key, and with gland and bolt, shaft rear end installs rotary encoder, and pressing plate is stator press-loading
In the stator support of rear base, preceding base is located on rear base by seam allowance, and preceding 14 two sides of base, which are provided with, to be made on brake
The hole that passes through of friction block.The elevator traction machine of this structure, axial dimension is big, needs more installation spaces, and to axis
The bearing requirements held are high.
Therefore, it is necessary to design a kind of elevator traction machine of compact-sized single-bearing load-bearing.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of compact-sized single shaft
The elevator traction machine of load-bearing.
The purpose of this utility model can be realized by the following technical scheme: a kind of elevator traction machine of single-bearing load-bearing,
Include:
Base comprising protruding shaft is provided with stator on base；
Loading bearing is sheathed on outside protruding shaft；
Traction sheave is sheathed on outside loading bearing and is provided with rotor corresponding with stator, wherein in the load-bearing of traction sheave
The load-bearing center of the heart and loading bearing is in same section.
The protruding shaft inner hollow and it is provided with auxiliary supporting system as a further improvement of the utility model, assisted
Supporting system and traction sheave are connected.
The auxiliary supporting system includes bearing cap, is installed in bearing cap as a further improvement of the utility model,
The fixing axle of the heart, the auxiliary bearing for being inserted in fixing axle, bearing cap and traction sheave are connected, in fixing axle, auxiliary bearing insertion protruding shaft
Portion, and auxiliary bearing is fitted closely with protruding shaft.
The auxiliary supporting system is overlapped with the centre of gyration of loading bearing as a further improvement of the utility model,.
The quantity of the auxiliary bearing is two and is respectively set and fixing axle as a further improvement of the utility model,
Both ends.
The traction sheave is equipped with bearing chamber as a further improvement of the utility model, and the outer ring of loading bearing is embedded in axis
It holds interior and is close to the bottom surface of bearing chamber, the protruding shaft is equipped with the shaft shoulder resisted on the inside of loading bearing inner ring, is also arranged in protruding shaft
There is circlip, circlip resists the outside of loading bearing inner ring.
The bearing cap includes bearing lid as a further improvement of the utility model, and bearing lid is embedded in traction sheave
And be connected by screw and traction sheave, the first bulge loop is formed with along bearing lid is inwardly protruding, and the first bulge loop is embedded in bearing chamber simultaneously
Compress the outer ring of loading bearing.
The bearing lid is equipped with the through-hole being embedded in for fixing axle and along through-hole as a further improvement of the utility model,
Inwardly protruding to be formed with the second bulge loop, the second bulge loop is embedded in inside protruding shaft, and running clearance is equipped between the second bulge loop and protruding shaft,
The through-hole and fixing axle of second bulge loop are interference fitted.
The base is equipped with the cavity protruded into for the rotor, the stator as a further improvement of the utility model,
It is fixed in the cavity.
The rotor is connected with the traction sheave as a further improvement of the utility model,.
Based on the above-mentioned technical proposal, the utility model embodiment at least can produce following technical effect:
1, by the way that single loading bearing is arranged, to replace existing duplex bearing support construction, the knot of bearing part is shortened
Structure length keeps the structure of traction machine obviously more compact, and due to loading bearing with traction sheave load-bearing center same transversal
In face, so that loading bearing is subjected only to the radial load of traction sheave without increasing additional power, thus to the bearing capacity of bearing
It is required that can be significantly reduced, thus relatively small bearing can be used, to reduce manufacturing cost.
2, elevator in actual use, the position deviation at the actual loading center of traction sheave and theoretic load-bearing center and
Single side magnetic pull caused by size of gaps deviation between issuable rotor can generate tilting moment, by protruding shaft
Hollow internal setting auxiliary supporting system, can offset this tilting moment, improve the reliability of traction machine.
3, bearing cap, fixing axle, auxiliary bearing are formed into auxiliary supporting system, the knot that auxiliary bearing and protruding shaft fit closely
Installation accuracy can be effectively ensured in structure, offset the better effect of tilting moment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
In figure, 100, fixing axle；200, base；210, protruding shaft；211, the shaft shoulder；212, circlip；220, cavity；300, fixed
Son；400, loading bearing；The load-bearing center of 400a, loading bearing；500, traction sheave；500a, traction sheave load-bearing center 510,
Bearing chamber；520, steel wire rope groove；600, rotor；700, auxiliary bearing；800, bearing cap；810, bearing lid；820, first is convex
Ring；830, the second bulge loop.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 to Figure 2, the elevator traction machine of this single-bearing load-bearing, the base 200 including having protruding shaft 210, base
It is provided with stator 300 on 200, loading bearing 400 is arranged with outside protruding shaft 210, traction sheave 500 is arranged with outside loading bearing 400, drags
Running wheel 500 is provided with rotor 600 corresponding with stator 300, wherein the load-bearing center 500a of traction sheave and the load-bearing of loading bearing
Center 400a is in same section.
Usually, the load-bearing center 500a of traction sheave is 520 symmetrical centre of steel wire rope groove set by traction sheave 500, such as
Shown in Fig. 1, traction sheave 500 is axial to be evenly arranged several steel wire rope grooves 520, then the most interposition of all steel wire rope grooves 520
Set the carrying center 500a as traction sheave.Similarly, 1/2 thickness position of loading bearing 400 is in the load-bearing of loading bearing
Heart 400a.
In the application, by the way that single loading bearing 400 is arranged, to replace existing duplex bearing support construction, shortens and hold
The structure length for carrying part, keeps the structure of traction machine obviously more compact, and since loading bearing 400 and traction sheave 500 are held
Weight center is in same cross section, so that loading bearing 400 is subjected only to the radial load of traction sheave 500 without increasing additionally
Power reduces the requirement to 400 bearing capacity of loading bearing, therefore can use relatively small bearing, to reduce manufacture
Cost.
210 inner hollow of protruding shaft is simultaneously provided with auxiliary supporting system, and auxiliary supporting system and traction sheave are connected.
The primary load bearing structure as elevator traction machine is usually fixedly mounted in base 200, and base 200 is equipped with for rotor 600
The cavity 220 protruded into, stator 300 are fixed in cavity 220, i.e., after traction machine is powered, rotor 600 can be 300 turns relative to stator
It is dynamic, to drive the traction sheave 500 being connected with rotor 600 and auxiliary supporting system rotation.
Elevator in actual use, the position deviation at the actual loading center of traction sheave 500 and theoretic load-bearing center with
And single side magnetic pull caused by the size of gaps deviation between issuable rotor can generate tilting moment, by protruding shaft
210 hollow internal setting auxiliary supporting system, can offset this tilting moment, improve the reliability of traction machine.
Specifically, auxiliary supporting system includes bearing cap 800, the fixing axle 100 for being installed on 800 center of bearing cap, is inserted in
The auxiliary bearing 700 of fixing axle 100, bearing cap 800 and traction sheave 500 are connected, and fixing axle 100, auxiliary bearing 700 are embedded in protruding shaft
Inside 210, and auxiliary bearing 700 is fitted closely with protruding shaft 210
Bearing cap 800, fixing axle 100, auxiliary bearing 700 are formed into auxiliary supporting system, auxiliary bearing 700 and protruding shaft
Installation accuracy can be effectively ensured in 210 structures fitted closely, offset the better effect of tilting moment.
When installation, loading bearing 400 is first installed to traction sheave 500, then by the related loading bearing 400 of traction sheave 500
In installation to protruding shaft 210, finally installation assists bearing system, wherein bearing cap 800 is connected by screw and traction sheave, fixed
Axis 100 is embedded in inside protruding shaft 210 together with auxiliary bearing 700.
Wherein, auxiliary supporting system is overlapped with the centre of gyration of loading bearing, in specific installation process, fixing axle 100 with
Bearing cap 800 is interference fitted, and to guarantee the installation accuracy of auxiliary supporting system, improves the effect for offsetting tilting moment, and
Traction sheave 500 rotate when can synchronous drive fixing axle 100 rotate, thus facilitate encoder by fixing axle 100 indirectly detection drag
The rotation situation of running wheel 500.
Preferably, the quantity of auxiliary bearing 700 is two and the both ends with fixing axle 100 is respectively set, thus further
The neutralization effect of tilting moment is improved, and reduces the loading demands of single auxiliary bearing 700, supporting effect is more preferably.
Traction sheave 500 is equipped with bearing chamber 510, and the outer ring insertion bearing chamber 510 of loading bearing 400 is interior and is close to bearing chamber
510 slot bottom, the protruding shaft 210 are equipped with the shaft shoulder 211 resisted on the inside of 400 inner ring of loading bearing, are also arranged with card in protruding shaft 210
Spring 212, circlip 212 resist the outside of 400 inner ring of loading bearing.
Bearing cap 800 includes bearing lid 810, and bearing lid 810 is embedded in traction sheave 500 and passes through screw and traction sheave
500 are connected, and are formed with the first bulge loop 820 along bearing lid 810 is inwardly protruding, the first bulge loop 820 insertion traction sheave 500 simultaneously compresses
The outer ring of loading bearing 400.
Wherein, bearing chamber 510 and the first bulge loop 820 cooperate, the outer ring of location and installation loading bearing 400, the shaft shoulder 211
It cooperates with circlip 212, the inner ring of location and installation loading bearing 400 allows the load-bearing center of loading bearing 400 very square
Being aligned with the carrying center of traction sheave 500 just, accurate positioning, installation effectiveness are high.
Bearing lid 810 is equipped with the through-hole being embedded in for fixing axle 100 and is formed with the second bulge loop along through-hole is inwardly protruding
830, the second bulge loop 830 is embedded in protruding shaft 210, and running clearance is equipped between the second bulge loop and protruding shaft, to guarantee traction sheave 500
When rotation, bearing cap 800 and protruding shaft 210 will not generate friction.Second bulge loop 830 is interference fit with fixing axle 100.
Loading bearing 400 is preferably self-aligning roller bearing, and supporting effect is ideal, and service life is high.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of elevator traction machine of single-bearing load-bearing characterized by comprising
Base comprising protruding shaft is provided with stator on base；
Loading bearing is sheathed on outside protruding shaft；
It is outer and be provided with rotor corresponding with stator to be sheathed on loading bearing for traction sheave, wherein the load-bearing center of traction sheave with
The load-bearing center of loading bearing is in same section.
2. a kind of elevator traction machine of single-bearing load-bearing according to claim 1, it is characterised in that: in the protruding shaft inside
Sky is simultaneously provided with auxiliary supporting system, and auxiliary supporting system and traction sheave are connected.
3. a kind of elevator traction machine of single-bearing load-bearing according to claim 2, it is characterised in that: the aiding support system
System includes bearing cap, is installed on the fixing axle of bearing cover center, is inserted in the auxiliary bearing of fixing axle, and bearing cap and traction sheave are solid
Even, fixing axle, auxiliary bearing are embedded in inside protruding shaft, and auxiliary bearing is fitted closely with protruding shaft.
4. a kind of elevator traction machine of single-bearing load-bearing according to claim 3, it is characterised in that: the aiding support system
System is overlapped with the centre of gyration of loading bearing.
5. a kind of elevator traction machine of single-bearing load-bearing according to claim 3, it is characterised in that: the auxiliary bearing
Quantity is two and the both ends with fixing axle is respectively set.
6. a kind of elevator traction machine of single-bearing load-bearing according to claim 3, it is characterised in that: the traction sheave is equipped with
The outer ring insertion bearing chamber of bearing chamber, loading bearing is interior and is close to the bottom surface of bearing chamber, and the protruding shaft is equipped with and resists loading bearing
The shaft shoulder on the inside of inner ring is also arranged with circlip in protruding shaft, and circlip resists the outside of loading bearing inner ring.
7. a kind of elevator traction machine of single-bearing load-bearing according to claim 6, it is characterised in that: the bearing cap includes
Bearing lid, bearing lid are embedded in traction sheave and are simultaneously connected by screw and traction sheave, are formed with the along bearing lid is inwardly protruding
One bulge loop, the first bulge loop insertion bearing chamber and the outer ring for compressing loading bearing.
8. a kind of elevator traction machine of single-bearing load-bearing according to claim 7, it is characterised in that: the bearing lid is set
There is the through-hole for fixing axle insertion and is formed with the second bulge loop along through-hole is inwardly protruding, the second bulge loop is embedded in inside protruding shaft, and the
Running clearance is equipped between two bulge loops and protruding shaft, the through-hole and fixing axle of the second bulge loop are interference fitted.
9. a kind of elevator traction machine of single-bearing load-bearing according to claim 1, it is characterised in that: the base, which is equipped with, to be supplied
The cavity that the rotor protrudes into, the stator are fixed in the cavity.
10. a kind of elevator traction machine of single-bearing load-bearing according to claim 1, it is characterised in that: the rotor and institute
Traction sheave is stated to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978674.9U CN209322263U (en) | 2018-11-28 | 2018-11-28 | A kind of elevator traction machine of single-bearing load-bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978674.9U CN209322263U (en) | 2018-11-28 | 2018-11-28 | A kind of elevator traction machine of single-bearing load-bearing |
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| Publication Number | Publication Date |
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| CN209322263U true CN209322263U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821978674.9U Active CN209322263U (en) | 2018-11-28 | 2018-11-28 | A kind of elevator traction machine of single-bearing load-bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113014035A (en) * | 2021-01-29 | 2021-06-22 | 苏州汇川技术有限公司 | Stopper structure, servo motor and industrial robot |
-
2018
- 2018-11-28 CN CN201821978674.9U patent/CN209322263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113014035A (en) * | 2021-01-29 | 2021-06-22 | 苏州汇川技术有限公司 | Stopper structure, servo motor and industrial robot |
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