CN207368792U - One kind lifting motor - Google Patents
One kind lifting motor Download PDFInfo
- Publication number
- CN207368792U CN207368792U CN201721168382.4U CN201721168382U CN207368792U CN 207368792 U CN207368792 U CN 207368792U CN 201721168382 U CN201721168382 U CN 201721168382U CN 207368792 U CN207368792 U CN 207368792U
- Authority
- CN
- China
- Prior art keywords
- sealing shroud
- bearing bracket
- main shaft
- drive end
- end bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses one kind to lift motor, solve electric machine main shaft and drive end bearing bracket sealing problem, its key points of the technical solution are that including casing, being fixed on the drive end bearing bracket and main shaft of casing one end, the mounting hole stretched out for main shaft is provided with drive end bearing bracket, it is characterised in that：Bearing is provided with mounting hole between the drive end bearing bracket and main shaft, side of the Bearing support nearby outside end cap is provided with seal assembly, the seal assembly includes the first sealing shroud being socketed on main shaft, the second sealing shroud being embedded between the first sealing shroud and drive end bearing bracket, and the adjusting part of the first sealing shroud of connection and the second sealing shroud, the adjusting part is changing the first sealing shroud and the second sealing shroud tension force, some annular grooves are provided with the contact surface of first sealing shroud and main shaft, the groove is accommodating lubricant grease, reach dust-proof, improve the effect of motor service life.
Description
Technical field
It the utility model is related to a kind of lifting motor.
Background technology
Lifting motor is primarily adapted for use in the lifting means such as building whim, concrete mixer.Its fusion motor and system
Dynamic device is integrated, and big with starting torque, overload capacity is strong, and brake safe is reliable, compact-sized, and maintenance intervention is convenient, can
The features such as Fraquent start.
At present, the Chinese patent that Authorization Notice No. is CN203537160U discloses a kind of lifting electric machine structure, including forever
Magneto and brake, brake include brake disc, armature, yoke, spline housing and are sequentially connected with brake disc manual
Release device, brake disc, armature and yoke are arranged concentrically successively from front to back, brake disc and spline housing by spline engagement,
And the end face of the brake disc and the end cap of magneto are affixed, the axis connection of spline housing and magneto, between armature and yoke
Equipped with spring, yoke is equipped with electromagnetic coil, and the rear side of the yoke has chute and extends internally with the footpath that the chute is connected
Straight way, the outside diameter of chute is gradually reduced from front to back.
It is understood that due to lifting motor application in the engineering-environment of building yard, outdoor airborne dust easily from main shaft with
The interstitial site of end cap enters lifting motor internal, so as to cause the axle portion abrasion of lifting motor, influences work efficiency.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of lifting motor, pass through sealing group
Part, has the advantage for improving dirt exclusion capabilities, improving service life.
The above-mentioned technical purpose of the utility model technical scheme is that：One kind lifting motor, bag
Include casing, be fixed on the drive end bearing bracket and main shaft of casing one end, axis is provided with mounting hole between the drive end bearing bracket and main shaft
Hold, side of the Bearing support nearby outside end cap is provided with seal assembly, and the seal assembly includes being socketed on main shaft
First sealing shroud, the second sealing shroud being embedded between the first sealing shroud and drive end bearing bracket and connection the first sealing shroud and second
The adjusting part of sealing shroud, the adjusting part to change the first sealing shroud and the second sealing shroud tension force, the first sealing shroud and
It is provided with some annular grooves on the contact surface of main shaft, the groove is accommodating lubricant grease.
By above-mentioned setting, seal assembly is set, and bearing is spacing by main shaft between main shaft and the mounting hole of drive end bearing bracket
On drive end bearing bracket, main shaft output is kept to stablize, the first sealing shroud can reduce dust and enter into from the side wall of main shaft, and second is close
Big envelope can reduce dust and enter from the mounting hole of drive end bearing bracket, in addition, added in the groove on the first sealing shroud lubricant grease it
Afterwards, even if dust part is entered in the first sealing shroud, grease can be with adhesion section dust, and grease can also be principal axis lubrication,
The friction of main shaft and the first sealing shroud can be reduced, the second sealing shroud and the second sealing shroud are connected, passed through by adjusting part
Tension adjustment, seal assembly can effectively improve dirt exclusion capabilities, be disturbed so as to reduce motor by dust, improve motor and use the longevity
Life.
Concrete scheme as the utility model can be preferably：The adjusting part includes regulation ring and fastening bolt,
The side of the regulation ring towards the second sealing shroud is provided with tapered portion, and fastening bolt is close in second to the fixation regulation ring
On the end face of big envelope.
By above-mentioned setting, adjusting part can adjust the tension force of the first sealing shroud and the second sealing shroud, pass through regulation ring
Tapered portion can extrude the first sealing shroud and the second sealing shroud, be gradually deep into tapered portion the first sealing shroud and second sealing
When between set, the pressure of the first sealing shroud and main shaft improves, and the pressure between the second sealing shroud and drive end bearing bracket improves, so that into one
Step improves sealing performance.
Concrete scheme as the utility model can be preferably：The regulation ring further includes fastening part, the fastening part
It is wholely set with tapered portion.
By above-mentioned setting, installation can be fixed by fastening part in regulation ring.
Concrete scheme as the utility model can be preferably：Fastening part is arranged at the outer ring of tapered portion, fastening bolt
It is connected by fastening part with the second sealing shroud.
Concrete scheme as the utility model can be preferably：Fastening part is arranged at the inner ring of tapered portion, fastening bolt
It is connected by fastening part with the first sealing shroud.
, can effective secured adjusted ring using above-mentioned two ways by above-mentioned setting.
Concrete scheme as the utility model can be preferably：Second sealing shroud is set close to one end of drive end bearing bracket
There is fixture block, the fixture block is clamped with drive end bearing bracket.
By above-mentioned setting, fixture block can be clamped the second sealing shroud, avoid the second sealing shroud from coming off.
Concrete scheme as the utility model can be preferably：It is additionally provided between second sealing shroud and drive end bearing bracket
Sealing ring.
By above-mentioned setting, the effect of sealing ring is to further improve the leakproofness of drive end bearing bracket.
Concrete scheme as the utility model can be preferably：Heat sink is additionally provided with the drive end bearing bracket.
By above-mentioned setting, it is to effectively reduce the temperature of drive end bearing bracket, connect by air and heat sink to set heat sink
Tactile mode, takes away the portion temperature of drive end bearing bracket, so as to reduce influence of the temperature to bearing and lubricant grease, mainly subtracts
Few grease volatilizees at high temperature.
In conclusion the utility model has the advantages that：By seal assembly, improve between main shaft and drive end bearing bracket
Leakproofness, so as to avoid the foreign matters such as dust from entering motor internal, reduce the possibility of motor damage, improve motor and use
Service life.
Brief description of the drawings
Fig. 1 is the structure sectional view of embodiment 1；
Fig. 2 is the A portions enlarged drawing of Fig. 1；
Fig. 3 is the structure diagram of embodiment 2.
In figure：1st, casing；2nd, drive end bearing bracket；21st, heat sink；3rd, main shaft；4th, mounting hole；5th, bearing；6th, seal assembly；61、
First sealing shroud；611st, groove；62nd, the second sealing shroud；621st, fixture block；63rd, adjusting part；631st, regulation ring；6311st, taper
Portion；6312nd, fastening part；632nd, fastening bolt；7th, sealing ring；8th, threaded hole.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：
One kind lifting motor, as shown in Figure 1, including casing 1, drive end bearing bracket 2 and main shaft 3.Drive end bearing bracket 2 is fixed on casing 1 one
End, main shaft 3 pass through drive end bearing bracket 2.The center of drive end bearing bracket 2 is provided with mounting hole 4, in mounting hole between drive end bearing bracket 2 and main shaft 3
Bearing 5 is provided with 4, side of the bearing 5 outside drive end bearing bracket 2 is provided with seal assembly 6.
With reference to shown in Fig. 2, seal assembly 6 includes the first sealing shroud 61, the second sealing shroud 62 and adjusting part 63.First is close
Big envelope 61 is socketed on main shaft 3, and the second sealing shroud 62 is embedded between the first sealing shroud 61 and drive end bearing bracket 2, and adjusting part 63 connects
It is connected between the first sealing shroud 61 and the second sealing shroud 62.Adjusting part 63 is changing the first sealing shroud 61 and the second sealing shroud
62 tension force, adjusting part 63 can be bolt.
In addition adjusting part 63 can also include regulation ring 631 and fastening bolt 632.Regulation ring 631 includes fastening part
6312 and tapered portion 6311.Tapered portion 6311 is set towards the side of the second sealing shroud 62.Fastening bolt 632 is to secured adjusted
Ring 631 is on the end face of the second sealing shroud 62.Fastening part 6312 is wholely set with tapered portion 6311.By tight in regulation ring 631
Gu installation can be fixed in portion 6312.Fastening part 6312 is arranged at the outer ring of tapered portion 6311, and fastening bolt 632 passes through fastening
Portion 6312 is connected with the second sealing shroud 62.The threaded hole 8 fixed for fastening bolt 632 is provided with the second sealing shroud 62.
It is provided with some annular grooves 611 on the contact surface of first sealing shroud 61 and main shaft 3, groove 611 is accommodating
Lubricant grease.
Second sealing shroud 62 is provided with fixture block 621 close to one end of drive end bearing bracket 2, and fixture block 621 is clamped with drive end bearing bracket 2.Fixture block
621 can be clamped the second sealing shroud 62, avoid the second sealing shroud 62 from coming off.
Sealing ring 7 is additionally provided between second sealing shroud 62 and drive end bearing bracket 2.The effect of sealing ring 7 is before further improving
The leakproofness of end cap 2.
Heat sink 21 is additionally provided with drive end bearing bracket 2.Heat sink 21 uses aluminum material.It is in order to effective to set heat sink 21
The temperature of drive end bearing bracket 2 is reduced, by way of air and heat sink 21 contact, takes away the portion temperature of drive end bearing bracket 2, so as to
Influence of the temperature to bearing 5 and lubricant grease is reduced, grease is mainly reduced and volatilizees at high temperature.
Operation principle：Seal assembly 6 is set between main shaft 3 and the mounting hole 4 of drive end bearing bracket 2, and bearing 5 limits main shaft 3
Position keeps the output of main shaft 3 to stablize, it is enterprising into the side wall from main shaft 3 that the first sealing shroud 61 can reduce dust on drive end bearing bracket 2
Enter, the second sealing shroud 62 can reduce dust and enter from the mounting hole 4 of drive end bearing bracket 2, in addition, the groove on the first sealing shroud 61
In 611 add lubricant grease after, even if dust part enter in the first sealing shroud 61, grease can with adhesion section dust,
Grease can also be that main shaft 3 lubricates, it is possible to reduce the friction of 3 and first sealing shroud 61 of main shaft, adjusting part 63 are sealed second
62 and second sealing shroud 62 of set connects, and by tension adjustment, seal assembly 6 can effectively improve dirt exclusion capabilities, so as to drop
Low motor is disturbed by dust, improves motor service life.
Adjusting part 63 can adjust the tension force of the first sealing shroud 61 and the second sealing shroud 62, pass through the cone of regulation ring 631
Shape portion 6311 can extrude the first sealing shroud 61 and the second sealing shroud 62, and the first sealing shroud 61 is gradually deep into tapered portion 6311
And second between sealing shroud 62 when, the pressure of the first sealing shroud 61 and main shaft 3 improves, between the second sealing shroud 62 and drive end bearing bracket 2
Pressure improve, so as to further improve sealing performance.
Embodiment 2：One kind lifting motor, as shown in figure 3, difference lies in fastening part 6312 to be arranged at cone with embodiment 1
The inner ring in shape portion 6311, fastening bolt 632 are connected by fastening part 6312 with the first sealing shroud 61.Set on the first sealing shroud 61
The threaded hole 8 connected for fastening bolt 632 is put.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. one kind lifting motor, including casing (1), the drive end bearing bracket (2) and main shaft (3) that are fixed on casing (1) one end, front end
The mounting hole (4) stretched out for main shaft (3) is provided with lid (2), it is characterised in that：Between the drive end bearing bracket (2) and main shaft (3) in
Mounting hole (4) place is provided with bearing (5), and the bearing (5) is provided with seal assembly (6) close to the exterior side of drive end bearing bracket (2),
The seal assembly (6) include be socketed on main shaft (3) the first sealing shroud (61), be embedded in the first sealing shroud (61) and front end
Cover the second sealing shroud (62) and the adjusting part of the first sealing shroud of connection (61) and the second sealing shroud (62) between (2)
(63), the adjusting part (63) is changing the first sealing shroud (61) and the second sealing shroud (62) tension force, the first sealing shroud
(61) and on the contact surface of main shaft (3) some annular grooves (611) are provided with, the groove (611) is accommodating lubricating oil
Fat.
2. lifting motor according to claim 1, it is characterised in that：The adjusting part (63) includes regulation ring (631)
With fastening bolt (632), the side of the regulation ring (631) towards the second sealing shroud (62) is provided with tapered portion (6311), tightly
Fixing bolt (632) is to the fixation regulation ring (631) on the end face of the second sealing shroud (62).
3. lifting motor according to claim 2, it is characterised in that：The regulation ring (631) further includes fastening part
(6312), the fastening part (6312) is wholely set with tapered portion (6311).
4. lifting motor according to claim 3, it is characterised in that：Fastening part (6312) is arranged at tapered portion (6311)
Outer ring, fastening bolt (632) are connected by fastening part (6312) with the second sealing shroud (62).
5. lifting motor according to claim 3, it is characterised in that：Fastening part (6312) is arranged at tapered portion (6311)
Inner ring, fastening bolt (632) are connected by fastening part (6312) with the first sealing shroud (61).
6. lifting motor according to claim 1, it is characterised in that：Second sealing shroud (62) is close to drive end bearing bracket (2)
One end be provided with fixture block (621), the fixture block (621) is clamped with drive end bearing bracket (2).
7. lifting motor according to claim 1, it is characterised in that：Second sealing shroud (62) and drive end bearing bracket (2) it
Between be additionally provided with sealing ring (7).
8. lifting motor according to claim 1, it is characterised in that：Heat sink is additionally provided with the drive end bearing bracket (2)
(21)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721168382.4U CN207368792U (en) | 2017-09-09 | 2017-09-09 | One kind lifting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721168382.4U CN207368792U (en) | 2017-09-09 | 2017-09-09 | One kind lifting motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368792U true CN207368792U (en) | 2018-05-15 |
Family
ID=62348362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721168382.4U Expired - Fee Related CN207368792U (en) | 2017-09-09 | 2017-09-09 | One kind lifting motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088500A (en) * | 2018-09-12 | 2018-12-25 | 珠海格力电器股份有限公司 | A kind of motor protection structure, motor, air-conditioning and installation method |
-
2017
- 2017-09-09 CN CN201721168382.4U patent/CN207368792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088500A (en) * | 2018-09-12 | 2018-12-25 | 珠海格力电器股份有限公司 | A kind of motor protection structure, motor, air-conditioning and installation method |
| CN109088500B (en) * | 2018-09-12 | 2023-11-07 | 珠海格力电器股份有限公司 | Motor protection structure, motor, air conditioner and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20190909 |