CN206130055U - Spiral bevel gear speed reducer - Google Patents
Spiral bevel gear speed reducer Download PDFInfo
- Publication number
- CN206130055U CN206130055U CN201621072233.3U CN201621072233U CN206130055U CN 206130055 U CN206130055 U CN 206130055U CN 201621072233 U CN201621072233 U CN 201621072233U CN 206130055 U CN206130055 U CN 206130055U
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- CN
- China
- Prior art keywords
- bevel gear
- output shaft
- spiral bevel
- mounting groove
- speed reducer
- 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
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Abstract
The utility model discloses a spiral bevel gear speed reducer, including organism, motor, spiral bevel gear, transmission shaft and output shaft, a drive gear of transmission shaft one end, the 2nd drive gear of the transmission shaft other end, set up on the output shaft and with the 2nd drive gear engaged with output gear, the both ends of output shaft with it holds all to be provided with one -way shaft between the organism, the both ends of output shaft with still be provided with tapered roller bearing between the organism. The utility model has the advantages of it is following and effect: when the motor stops, setting up one -way shaft through the both ends at the output shaft and hold for the output shaft can only carry out unidirectional rotating, and pivot that so as to avoided spiral bevel gear speed reducer to drive its linkage when stopping leads to the fact upside down or in the same direction as smooth phenomenon, still is provided with tapered roller bearing simultaneously on the output shaft, bears relatively poorly because of one -way shaft holds the radial force, can be used to supplementary one -way shaft and holds and bear the radial force through setting up tapered roller bearing.
Description
Technical field
The utility model is related to reductor field, more particularly to a kind of spiral bevel gear speed reducer.
Background technology
Reductor is generally used for the drive apparatus of low rotation speed large torque, motor, internal combustion engine or other run up
Gear wheel on the few gear engagement output shaft of the number of teeth on input shaft that power passes through reductor is general reaching the purpose of deceleration
Logical reductor also have it is several preferable slowing effect is reached to same principle gear, the ratio of the number of teeth of big little gear is exactly passed
Dynamic ratio.
At present, Authorization Notice No. is CN204664308U on market, and the day for announcing is that in September, 2015 Chinese patent of 23 days is public
A kind of spiral bevel gear speed reducer is opened, with motor, body, the two ends of described body are equipped with end cap, and end cap is provided with
Abat-vent, motor is provided with input shaft, and input shaft is provided with input gear, input gear with screw conic tooth is arranged on by flat key
First gear engagement on wheel shaft, spiral bevel gear axle and spiral bevel gear gear motion, spiral bevel gear is installed by flat key
It is fixed on gear shaft, gear shaft is by the gear gear motion that is arranged on output shaft.Simple structure, it is easy to use, simple,
Noise is little, and energy loss is little during use, and high working efficiency, structure design is compact, long service life, and installs or removes more
Plus it is convenient.
Although the characteristics of this spiral bevel gear speed reducer has rationally compact drive mechanism, high working efficiency, while energy
Forward and reverse rotation is enough realized, but during actual use, in order to avoid motor helical bevel gear drives it when stopping
The rotating shaft of linkage causes to reverse or smooth phenomenon, by arranging holdback decelerator can be caused to carry out one-directional rotation,
But need installation holdback more to bother to a certain extent in use.
Utility model content
The purpose of this utility model is to provide a kind of spiral bevel gear speed reducer, by arranging unilateral bearing in reductor
To realize the one-directional rotation of reductor.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of spiral bevel gear subtracts
Fast machine, including body, motor, the spiral bevel gear being arranged on the motor shaft of the motor, the biography that is arranged in the body
Moving axis and output shaft, the first travelling gear for being arranged on described power transmission shaft one end and being meshed with the spiral bevel gear, set
Put the second travelling gear on the power transmission shaft other end, be arranged on the output shaft and with the second travelling gear phase
The output gear of engagement, is provided with unilateral bearing between the two ends of the output shaft and the body, and the two of the output shaft
Taper roll bearing is additionally provided between end and the body.
By adopting such scheme, by arranging unilateral bearing at the two ends of output shaft so that output shaft can only carry out list
To rotation.When motor works, drive spiral bevel gear to be rotated by motor shaft, mutually nibbled with spiral bevel gear by driving
The first travelling gear for closing drives power transmission shaft to be rotated, by the second travelling gear on the power transmission shaft other end and output
Output gear on axle is meshed, and output shaft can be driven to be rotated, and can finally drive process equipment normally to be grasped
Make；When motor stops, by arranging unilateral bearing at the two ends of output shaft so that output shaft can only carry out one-directional rotation, from
And spiral bevel gear speed reducer can be avoided to drive the rotating shaft of its linkage to cause to reverse or smooth phenomenon when stopping, while
Taper roll bearing is additionally provided with output shaft, because unilateral bearing radial load bears poor, can by arranging taper roll bearing
For aiding in unilateral bearing to bear radial load.Because taper roll bearing is mainly used to bear the radial direction and axle based on radial load
To joint load, axial load typically should not be individually born.Therefore by being provided with taper roll bearing in output shaft both sides,
Two taper roll bearings need to be oppositely arranged, when two taper roll bearings bear radial load, one of circular cone rolling
Sub- bearing will produce an axial thrust load, and another taper roll bearing produces an axially opposite component, is finally able to
Balance.
It is of the present utility model to be further arranged to：Two unilateral bearings be respectively positioned on two taper roll bearings it
Between.
It is located between two taper roll bearings, because the width of body exists by adopting such scheme, two unilateral bearings
It is fixed during design, the relative distance now between two taper roll bearings is longer, and during the rotation of output shaft and body
Load at be predominantly located at two taper roll bearings, when the distance between two taper roll bearings are larger so that output
Axle is relatively stable when rotating.
It is of the present utility model to be further arranged to：Both sides on the body are provided with for installing the unilateral bearing
The first mounting groove, the second mounting groove for installing the taper roll bearing and communicate with first mounting groove, it is described
Aperture of the aperture of the first mounting groove less than second mounting groove.
Unilateral bearing and taper roll bearing are provided with by adopting the two ends of such scheme, output shaft, in body
On the first mounting groove and the second mounting groove be able to for installing unilateral bearing and taper roll bearing, unilateral bearing it is interior
The inwall interference fit of circle and output shaft interference fit and outer ring and the first mounting groove, the inner ring and output shaft of taper roll bearing
The inwall interference fit of interference fit and outer ring and the second mounting groove, because the aperture of the first mounting groove is less than the hole of the second mounting groove
Footpath, while the second mounting groove defines an end face near the body of the end of the first mounting groove, taper roll bearing is pushed against
There is the effect of an axial limiting on the end face.
It is of the present utility model to be further arranged to：The relatively close internal body on the inwall of first mounting groove
One end is provided with for limiting the unilateral bearing installation site and limited block annular in shape.
By adopting such scheme, when unilateral bearing is interference fitted in the inwall of the first mounting groove, in the first mounting groove
On limited block the installation site of unilateral bearing can be limited.
It is of the present utility model to be further arranged to：The another of limited block is relatively set with the inwall of first mounting groove
End is provided with the draw-in groove of ring-type, and jump ring is provided with the draw-in groove, and the end face of the unilateral bearing is pushed against the limited block
Upper and other end is pushed against on jump ring.
By adopting such scheme, draw-in groove is additionally provided with the first mounting groove, jump ring is provided with draw-in groove, unidirectional
When bearing is installed in the first mounting groove and end face is contradicted on limited block, jump ring is connected on draw-in groove by Circlip tongs,
Now jump ring is contradicted on the relative other end for contradicting limited block of unilateral bearing, can be by limited block and jump ring in the axial direction
Unilateral bearing is carried out spacing.
It is of the present utility model to be further arranged to：One end of the output shaft protrudes from the body, positioned at the output
Aixs cylinder is provided with adpting flange for the end face of the body, and the adpting flange integrally sets on the end face of the body
Putting can be embedded in second mounting groove and the first block annular in shape, and first block is pushed against the taper roll bearing
It is relatively distant from the end face of the unilateral bearing.
By adopting such scheme, protrude from output shaft and be provided with one end of body adpting flange, by connection method
It is blue reductor is connected to needed for equipment on, while the first block on adpting flange contradict in embedded second mounting groove and
Contradict on the end face of taper roll bearing so that taper roll bearing one end contradicts the first mounting groove relative in the second mounting groove
End face on, the other end is fixed by the first block, so as to be pointed to the taper roller near adpting flange side in the axial direction
Bearing carries out spacing.
It is of the present utility model to be further arranged to：It is vexed by being provided with to the side away from the adpting flange on the body
Lid, the boring cover is wholely set near the body and can be embedded in the second block in second mounting groove and annular in shape, institute
State the second block and be pushed against the taper roll bearing and be relatively distant from the end face of the unilateral bearing.
By adopting such scheme, the boring cover on body plays a part of to seal one end of output shaft, while
The second block on boring cover is contradicted in embedded second mounting groove and contradicted on the end face of taper roll bearing so that circular cone is rolled
Sub- bearing one end is contradicted on the end face of relative first mounting groove of the second mounting groove, and the other end is fixed by the second block, so as to
Be pointed in the axial direction the taper roll bearing near boring cover side carry out it is spacing.
It is of the present utility model to be further arranged to：Circumference array is distributed with multiple in " T " font on the adpting flange
First through hole, is provided with multiple the first screwed holes communicated with the first through hole, the adpting flange and institute on the body
State and the first fixation spiral shell for being fed through the first through hole and being threaded in first screwed hole is additionally provided between body
Bolt.
By adopting such scheme, by being evenly arranged with multiple first through hole in the week side of boss of adpting flange, in body
On be provided with the first screwed hole, and first through hole rear thread be fed through by the first fixing bolt be connected in the first screwed hole,
So that adpting flange is fixed on body.
It is of the present utility model to be further arranged to：Circumference array is distributed with multiple in " T " font second on the boring cover
Through hole, is provided with multiple the second screwed holes communicated with second through hole on the body, the boring cover and the body it
Between be additionally provided with the second fixing bolt for being fed through second through hole and being threaded in second screwed hole.
By adopting such scheme, by being evenly arranged with multiple second through holes in the week side of boss of boring cover, set on body
The second screwed hole is equipped with, and the second through hole rear thread is fed through by the second fixing bolt and be connected in the second screwed hole so that
Boring cover is fixed on body.
It is of the present utility model to be further arranged to：The installation being fed through for the output shaft is provided with the adpting flange
The oil tight skeleton of bilayer is provided between the inwall of hole, the week side of boss of the output shaft and the installing hole.
By adopting such scheme, oil tight skeleton is provided between the installing hole and output shaft of adpting flange, because in machine
Connection of the machine oil to internal body can be added in vivo to be lubricated, oil tight skeleton one end of output shaft can be sealed so as to
There is the phenomenons such as infiltration in the machine oil for preventing internal body, while the oil tight skeleton for arranging has bilayer, further increase its sealing
Effect.
In sum, the utility model has the advantages that：When motor stops, by arranging at the two ends of output shaft
Unilateral bearing so that output shaft can only carry out one-directional rotation such that it is able to avoid spiral bevel gear speed reducer from driving when stopping
The rotating shaft of its linkage causes to reverse or smooth phenomenon, while taper roll bearing is additionally provided with output shaft, because of one-way shaft
Hold radial load and bear poor, can be used to aid in unilateral bearing to bear radial load by arranging taper roll bearing.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing in the utility model at A；
Fig. 3 is the partial enlarged drawing in the utility model at B.
In figure：1st, body；2nd, motor；3rd, motor shaft；31st, spiral bevel gear；4th, power transmission shaft；41st, the first travelling gear；
42nd, the second travelling gear；5th, output shaft；51st, output gear；52nd, unilateral bearing；53rd, taper roll bearing；6th, first install
Groove；61st, limited block；62nd, draw-in groove；63rd, jump ring；7th, the second mounting groove；8th, adpting flange；81st, the first block；82nd, first through hole；
83rd, the first screwed hole；84th, the first fixing bolt；85th, installing hole；86th, oil tight skeleton；9th, boring cover；91st, the second block；92nd,
Two through holes；93rd, the second screwed hole；94th, the second fixing bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As described in Figure 1, spiral bevel gear speed reducer includes organism 1 and motor 2, and in body 1 transmission is rotatably connected to
Axle 4 and output shaft 5.There is a motor shaft 3 on motor 2, motor shaft 3 is located at the inside of body 1；In the two ends of power transmission shaft 4 and machine
Equal interference fit has bearing between body 1, for realizing rotation of the power transmission shaft 4 in frame；In the two ends of output shaft 5 and body 1
Between interference fit have unilateral bearing 52 and taper roll bearing 53, for realizing rotation of the output shaft 5 on body 1.
As shown in figure 1, motor 2 adopts flanged motor, can be by the way that the flange on motor 2 be fixedly connected on body 1
Realize the fixation to motor 2.Being located at interference fit on the motor shaft 3 of the inside of body 1 in motor 2 has spiral bevel gear 31, and
Carried out by key spacing；Two ends on power transmission shaft 4, interference fit has the first travelling gear 41 and the second travelling gear 42；
On output shaft 5, interference fit has output gear 51.The travelling gear 41 of spiral bevel gear 31 and first is meshed so that the energy of motor 2
Power transmission shaft 4 is enough driven to be rotated, power transmission shaft 4 drives the second travelling gear 42 to rotate simultaneously when rotating, and the second driving cog
Wheel 42 is engaged on output gear 51, final to realize driving output shaft 5 to be rotated.
As shown in figure 1, the two ends interference fit in the inner space of close body 1 of output shaft 5 has unilateral bearing 52, defeated
The two ends of shaft 5 also interference fit has a taper roll bearing 53, two unilateral bearings 52 be located at two taper roll bearings 53 it
Between.The outer shape of taper roll bearing 53 is in truncated cone-shaped, and the less both ends of the surface of two relative areas of taper roll bearing 53
It is mutually close, because taper roll bearing 53 is mainly used to bear the radial direction and axial joint load based on radial load, typically not
Preferably axial load is individually born, when two taper roll bearings 53 need to be oppositely arranged, when two taper roll bearings 53 bear
During radial load, one of taper roll bearing 53 will produce an axial thrust load, and another taper roll bearing 53 is produced
A raw axially opposite component, is finally balanced.
As shown in Fig. 1 to Fig. 3, body 1 be located at output shaft 5 both sides side wall on offer the first mounting groove 6 and
Second mounting groove 7, the first mounting groove 6 be for provide unilateral bearing 52 fix when desired location, the second mounting groove 7 be for
Desired location when taper roll bearing 53 is fixed is provided.First mounting groove 6 and the second mounting groove 7 are communicated and the first mounting groove 6
Aperture less than the second mounting groove 7 aperture.
One end on the inwall of the first mounting groove 6 and inside relatively close body 1 is wholely set limited block annular in shape
61, when mounted, the end face of unilateral bearing 52 is contradicted on limited block 61, while in the first mounting groove 6 unilateral bearing 52
The draw-in groove 62 of ring-type is further opened with wall, when unilateral bearing 52 is installed in the first mounting groove 6, is passing through Circlip tongs by jump ring
63 are installed in draw-in groove 62, and jump ring 63 is pushed against unilateral bearing 52 and is relatively distant from the end face of limited block 61, so as to realize in axle
Unilateral bearing 52 is carried out upwards spacing.
Taper roll bearing 53 is located in the second mounting groove 7, because the aperture of the first mounting groove 6 is less than the second mounting groove 7
Aperture, when mounted, the end face of taper roll bearing 53 is pushed against second mounting groove 7 near institute to taper roll bearing 53
State on the end face of the first mounting groove 6.
As depicted in figs. 1 and 2, one end of output shaft 5 protrudes from body 1, on the body 1 at the end, is connected with one
The individual adpting flange 8 for being fixed on body 1 in other equipment.It is multiple in " T " word in being circumferentially distributed with for adpting flange 8
The first through hole 82 of shape, offers multiple first screwed holes 83 corresponding one by one with first through hole 82 on body 1, by
One fixing bolt 84 is fed through the rear thread of first through hole 82 and is connected in the first screwed hole 83, can realize consolidating adpting flange 8
It is scheduled on body 1.
As depicted in figs. 1 and 2, it is wholely set the first block annular in shape near the end face of body 1 in adpting flange 8
81, when adpting flange 8 is installed on body 1, the first block 81 is located in the second mounting groove 7, and the first block 81 is contradicted
On the end face of taper roll bearing 53, the end face of taper roll bearing 53 is contradicted on body 1 and other end contradicts and exists
On first block 81, the fixation to taper roll bearing 53 can be realized in the axial direction.
As depicted in figs. 1 and 2, while being further opened with an installing hole being fed through for output shaft 5 on adpting flange 8
85, the oil tight skeleton 86 of bilayer, the inner ring of oil tight skeleton 86 are provided between the bearing of output shaft 5 and the inwall of installing hole 85
The week side of boss of output shaft 5 is pushed against, the outer ring of oil tight skeleton 86 is pushed against on the inwall of installing hole 85.
As described in Fig. 1 and Fig. 3, boring cover 9 is connected with the relative other end for being provided with adpting flange 8 of body 1, on boring cover 9
Circumference array is distributed with multiple the second through holes 92 in " T " font, is provided with body 1 and multiple corresponds with the second through hole 92
The second screwed hole 93, by being fed through the second through hole 92 and being threaded in the second screwed hole 93 between boring cover 9 and body 1
The second fixing bolt 94 realize connection.
As shown in figures 1 and 3, the second block 91 annular in shape is wholely set near body 1 in boring cover 9, when boring cover 9
When being connected on body 1, the second block 91 on boring cover 9 is embedded in the second mounting groove 7 of boring cover 9, while second gear
Block 91 is contradicted on the end face of the taper roll bearing 53 of the side, and the both ends of the surface of taper roll bearing 53 point of the side are by the He of body 1
Second block 91 is contradicted, and taper roll bearing 53 can be carried out in the axial direction spacing.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. a kind of spiral bevel gear speed reducer, including body（1）, motor（2）, be arranged on the motor（2）Motor shaft（3）On
Spiral bevel gear（31）, be arranged on the body（1）Interior power transmission shaft（4）And output shaft（5）, be arranged on the power transmission shaft
（4）One end and with the spiral bevel gear（31）The first travelling gear being meshed（41）, be arranged on the power transmission shaft（4）It is another
The second travelling gear on end（42）, be arranged on the output shaft（5）It is upper and with second travelling gear（42）It is meshed
Output gear（51）, it is characterised in that：The output shaft（5）Two ends and the body（1）Between be provided with unilateral bearing
（52）, the output shaft（5）Two ends and the body（1）Between be additionally provided with taper roll bearing（53）.
2. a kind of spiral bevel gear speed reducer according to claim 1, it is characterised in that：Two unilateral bearings（52）
It is respectively positioned on two taper roll bearings（53）Between.
3. a kind of spiral bevel gear speed reducer according to claim 2, it is characterised in that：The body（1）On both sides
It is provided with for installing the unilateral bearing（52）The first mounting groove（6）, for installing the taper roll bearing（53）
And with first mounting groove（6）The second mounting groove for communicating（7）, first mounting groove（6）Aperture be less than described second
Mounting groove（7）Aperture.
4. a kind of spiral bevel gear speed reducer according to claim 3, it is characterised in that：First mounting groove（6）'s
The relatively close body on inwall（1）Internal one end is provided with for limiting the unilateral bearing（52）Installation site and it is in
The limited block of ring-type（61）.
5. a kind of spiral bevel gear speed reducer according to claim 4, it is characterised in that：First mounting groove（6）'s
Limited block is relatively set with inwall（61）The other end be provided with the draw-in groove of ring-type（62）, the draw-in groove（62）Inside it is provided with card
Spring（63）, the unilateral bearing（52）End face be pushed against the limited block（61）Go up and other end is pushed against jump ring（63）
On.
6. a kind of spiral bevel gear speed reducer according to claim 5, it is characterised in that：The output shaft（5）One end
Protrude from the body（1）, positioned at the output shaft（5）Protrude from the body（1）End face be provided with adpting flange
（8）, the adpting flange（8）Near the body（1）End face on be wholely set and can be embedded in second mounting groove（7）It is interior and
First block annular in shape（81）, first block（81）It is pushed against the taper roll bearing（53）It is relatively distant from the list
To bearing（52）End face on.
7. a kind of spiral bevel gear speed reducer according to claim 6, it is characterised in that：The body（1）It is upper to lean on to remote
From the adpting flange（8）Side be provided with boring cover（9）, the boring cover（9）Near the body（1）Being wholely set can be embedding
Enter second mounting groove（7）The second interior and annular in shape block（91）, second block（91）It is pushed against the circular cone rolling
Sub- bearing（53）It is relatively distant from the unilateral bearing（52）End face on.
8. a kind of spiral bevel gear speed reducer according to claim 7, it is characterised in that：The adpting flange（8）Upper circle
All array distributions have multiple first through hole in " T " font（82）, the body（1）On be provided with it is multiple with the first through hole
（82）The first screwed hole for communicating（83）, the adpting flange（8）With the body（1）Between be additionally provided with and be fed through described
One through hole（82）And it is threaded in first screwed hole（83）The first interior fixing bolt（84）.
9. a kind of spiral bevel gear speed reducer according to claim 8, it is characterised in that：The boring cover（9）Upper Circle-Array
Column distribution has multiple the second through holes in " T " font（92）, the body（1）On be provided with it is multiple with second through hole（92）
The second screwed hole for communicating（93）, the boring cover（9）With the body（1）Between be additionally provided with and be fed through second through hole
（92）And it is threaded in second screwed hole（93）The second interior fixing bolt（94）.
10. a kind of spiral bevel gear speed reducer according to claim 9, it is characterised in that：The adpting flange（8）Inside set
It is equipped with for the output shaft（5）The installing hole being fed through（85）, the output shaft（5）The week side of boss and the installing hole（85）It is interior
The oil tight skeleton of bilayer is provided between wall（86）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072233.3U CN206130055U (en) | 2016-09-22 | 2016-09-22 | Spiral bevel gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072233.3U CN206130055U (en) | 2016-09-22 | 2016-09-22 | Spiral bevel gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206130055U true CN206130055U (en) | 2017-04-26 |
Family
ID=58569521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621072233.3U Expired - Fee Related CN206130055U (en) | 2016-09-22 | 2016-09-22 | Spiral bevel gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206130055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956856A (en) * | 2017-12-28 | 2018-04-24 | 绍兴前进齿轮箱有限公司 | A kind of one-way clutch uni-drive gear box of dual output |
-
2016
- 2016-09-22 CN CN201621072233.3U patent/CN206130055U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956856A (en) * | 2017-12-28 | 2018-04-24 | 绍兴前进齿轮箱有限公司 | A kind of one-way clutch uni-drive gear box of dual output |
| CN107956856B (en) * | 2017-12-28 | 2024-05-14 | 绍兴前进齿轮箱有限公司 | Double-output one-way clutch transmission gear box |
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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 |
Granted publication date: 20170426 Termination date: 20180922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |