CN206129991U - Worm gear and worm reducer - Google Patents
Worm gear and worm reducer Download PDFInfo
- Publication number
- CN206129991U CN206129991U CN201621072127.5U CN201621072127U CN206129991U CN 206129991 U CN206129991 U CN 206129991U CN 201621072127 U CN201621072127 U CN 201621072127U CN 206129991 U CN206129991 U CN 206129991U
- Authority
- CN
- China
- Prior art keywords
- casing
- bearing
- worm
- reduction gearing
- worm screw
- 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 a worm gear and worm reducer, including box and the worm of setting in the box, box and worm are near all being connected with the bearing between the position at both ends, be equipped with one of them bearing terminal surface of drive on the box and drive another bearing terminal surface conflict box inner wall of worm messenger, realize the spacing driving piece of worm axial. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization, it passes through the driving piece of another bearing terminal surface conflict of worm drive on the box inner wall to be equipped with one of them bearing terminal surface of drive on the box, and be equipped with the holding ring between driving piece and the bearing as compensating the distance between driving piece and the bearing, make the driving piece exert stronger conflict effort to the bearing, and the transition between driving piece and the bearing is realized to the contact surface through the holding ring, make being used in on the bearing that the effort can be more even, thereby realize the better location to the screw rod.
Description
Technical field
The utility model is related to a kind of decelerator, more particularly to a kind of worm type of reduction gearing.
Background technology
Decelerator is a kind of to be made up of the gear drive being enclosed in stiff case, worm-drive, gear, worm-drive
Individual components, the speed reduction gearing being commonly used between driving link and working machine.In prime mover and working machine or executing agency
Between play a part of to match rotating speed and transmission torque, using extremely wide in modern mechanical.
Notification number discloses a kind of reducing gear for the Chinese patent of 202251855U, and it includes housing, sets in the housing
The output shaft for having the input shaft being connected with drive mechanism and being connected with executing agency, the output shaft and the input
Axle antarafacial is vertical, is additionally provided with first power transmission shaft and second driving shaft parallel with the input shaft in the housing, and described the
One power transmission shaft is provided with first gear and second gear, and the input shaft is provided with the of the transmission that is meshed with the first gear
Three gears, the second driving shaft is provided with the 4th gear of the transmission that is meshed with the second gear, the second driving shaft
On be additionally provided with worm screw, the output shaft is provided with the worm gear of the transmission that is meshed with the worm screw.
The contrast patent is disadvantageous in that:The housing of reducing gear is molded by foundry goods, and by worm and gear etc.
Part is installed into housing by manually installed mode；Transmission between worm and wheel can make worm screw produce larger axial direction work
Firmly；The axial restraint to bearing is realized in contrast patent by way of jump ring, but the installation site of jump ring is subject to slot
The restriction put, when error occurs in the assembly precision that error or bearing occurs in the Working position precision of draw-in groove, it is easy to make jump ring
There is gap between bearing, cause worm screw that axial displacement can be produced under the drive of worm gear；Make between worm and wheel
Contact Tooth can produce variation, increase the abrasion between worm gear and worm screw, so as to affect the service life of worm gear and worm screw.
Utility model content
The purpose of this utility model is to provide a kind of axial displacement for reducing worm screw in rotation, lifts worm and wheel and uses
The worm type of reduction gearing in life-span.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of worm and gear slows down
Device, including casing and the worm screw that is arranged in casing, the casing and worm screw are respectively connected with axle between the position at two ends
Hold, the casing is provided with a driving wherein bearing face and drives worm screw to make another bearing face contradict cabinet wall, realizes snail
The actuator of bar axial limiting.
By adopting above-mentioned technical proposal, because worm and wheel is the conduction orientation for changing active force, cause snail
Bar can produce larger axial force during rotation, and by the actuator being arranged on casing a wherein bearing is contradicted
Cycle surface and to bearing apply along worm screw axial direction active force, active force is transmitted on another bearing by worm screw, make
The cycle surface of another bearing is contradicted on cabinet wall, so as to apply the position-limiting action power of axial direction to worm screw, reduces bearing
Loosen and cause the field of conjugate action between worm screw and worm screw to change, so as to lift the accuracy of mesh between worm and gear, extend
The service life of worm and gear；And between worm and gear the accuracy of mesh increase, can make to realize preferably passing between worm and gear
It is dynamic, so as to transmit bigger moment of torsion.
The utility model is further arranged to：The actuator is the bolt for contradicting bearing outer ring end face.
By adopting above-mentioned technical proposal, by way of being threadedly coupled between bolt and casing, bolt is driven to contradict
The cycle surface of bearing, active force is applied vertically to bearing, realizes the axial limiting to worm screw.
The utility model is further arranged to：The tune for contradicting bearing outer ring end face is provided between the bearing and bolt end face
The domain.
Contradict adjustment ring and apply active force towards bearing by adopting the end face of above-mentioned technical proposal, bolt, make bolt
The by-local forces of applying carry out cambic dispersion conduction to active force by adjustment ring, make active force pass through adjustment ring and axle
Active force is uniformly passed contact surface between holding guide bearing；The by-local forces being subject on bearing are reduced, so that worm screw
Realize more preferable axial limiting.And the distance between bearing and bolt can be compensated by the setting of adjustment ring, reduce and make on bolt
The firmly consumption in transmittance process, enables the length of bolt to keep in balance with the length of adjustment ring, so as to apply more to worm gear
Strong axial limiting power.
The utility model is further arranged to：The bolt is circumferentially disposed around the end face of adjustment ring.
By adopting above-mentioned technical proposal, by the circumferentially disposed mode of bolt, circumferentially disposed bolt is enable to adjustment
Ring applies relative to the active force in circumference, reduces the by-local forces being subject in adjustment ring；Again active force is passed through into adjustment ring
Guide bearing is passed, so as to apply circumferential active force to bearing, worm screw in the axial direction more preferable spacing is realized.
The utility model is further arranged to：The casing is provided with motor tooth axle, between the motor tooth axle and casing
Connected by deep groove ball bearing, described worm screw is provided with driven gear, and the driven gear is engaged with motor tooth axle.
By adopting above-mentioned technical proposal, motor tooth axle and the driven gear intermeshing being arranged on worm screw, motor is made
The rotation of tooth axle can drive worm screw to rotate, so as to complete the transmission of active force；And zanjon will be passed through between motor tooth axle and casing
Ball bearing realizes connection, reduces the friction between motor tooth axle and cabinet wall, enables motor tooth axle to realize more stable rotation,
So as to the service life of lifting motor tooth axle；Motor tooth axle is main during rotation to produce circumferential rotatory force, by depth
The setting of ditch ball bearing is well positioned to meet the work requirements of motor tooth axle, and the use cost of deep groove ball bearing is relatively low.
The utility model is further arranged to：The deep groove ball bearing is set to two, and two deep groove ball bearings set respectively
Put in motor tooth axle near the position at two ends, the casing is provided with the oil filler point between two deep groove ball bearings.
By adopting above-mentioned technical proposal, fluid is injected towards box house by oil filler point, the presence of fluid can be to subtracting
Play a part of lubrication between the parts such as the machine shaft rotated in fast device and driven gear, further reduce in rotation process
The friction of generation, and the presence of fluid can also play a part of to cool to decelerator, the service life of prolonged deceleration device；By
Larger gap is there are between the raceway of deep groove ball bearing, fluid can be made under the drive of motor tooth axle, realized to whole
Lubrication inside decelerator.
The utility model is further arranged to：The casing is provided with oil ga(u)ge window.
By adopting above-mentioned technical proposal, the fluid amount of box house injection can be observed by vernier window, prevent casing
Internal fluid is excessive, the parts such as the worm screw of box house and motor tooth axle is hindered by larger during rotation
Power, and affect the gearratio of decelerator；And the fluid that box house injects can be prevented very few, and to the transmission zero in casing
Part does not have the effect of lubrication.
The utility model is further arranged to：Position on the casing higher than box house Height of oil is provided with ventilation
Cover.
By adopting the parts such as above-mentioned technical proposal, decelerator inside worm screw during rotation, due to parts
Between friction can produce larger heat, the accumulation of box house heat can increase the pressure of box house, so as to have influence on
The stability of box house parts operation；By the setting of vent hood, the heat of box house is discharged into casing, casing is risen
To the effect of radiating；And the setting for passing through vent hood, the pressure inside energy balance box, lift the operation of box house parts
Stability.
The utility model is further arranged to：The box outer surface is interval with some fin.
By adopting above-mentioned technical proposal, the contact area of casing and outer gas stream is increased by the setting of fin, made
The energy of flow of outer gas stream takes away the more heats on casing, so that casing reaches more preferable radiating effect, prolonged deceleration device
Service life.
The utility model is further arranged to：The casing is provided with output shaft, the two ends and casing of the output shaft it
Between be respectively connected with the second taper roll bearing group, the worm gear in the casing is arranged on output shaft.
By adopting above-mentioned technical proposal, worm gear is arranged on output shaft, makes worm screw drive worm gear to realize in output shaft
Upper rotation, by the two ends of output shaft by the connection between the realization of the second taper roll bearing group and casing, makes output shaft and case
Sliding friction mode between body switchs to rolling friction mode, so as to reduce the friction resistance that output shaft is subject in rotation process
Power, lifts stablizing for output shaft operation；Raceway due to the second taper roll bearing makes the axle of output shaft generation to be obliquely installed
Can be stopped by the outer ring of the second taper roll bearing group to active force, so as to reach more preferable axial limiting effect；Further
The stability of worm gear operation on output shaft is lifted, the abrasion produced between worm gear and worm screw is reduced, so as to extend worm gear and worm screw
Service life.
In sum, the utility model has the advantages that：It is provided with a driving wherein bearing face on casing to lead to
Crossing worm screw drives another bearing face to contradict the actuator on cabinet wall, and adjustment ring is provided between actuator and bearing
As the distance between compensation actuator and bearing, actuator is set to apply higher conflict active force to bearing, and by adjusting
The contact surface of the domain realizes the transition between actuator and bearing, active force is more uniformly acted on bearing, so as to
Realize the more preferable positioning to screw rod.
Description of the drawings
Fig. 1 is the schematic diagram outside worm type of reduction gearing；
Fig. 2 is the structural representation inside worm type of reduction gearing；
Fig. 3 is A portions enlarged drawing in Fig. 2；
Fig. 4 is to export axial structural representation in worm type of reduction gearing.
In figure：1st, casing；2nd, worm screw；3rd, bearing；4th, actuator；5th, adjustment ring；6th, motor tooth axle；7th, deep groove ball bearing；
8th, driven gear；9th, oil filler point；10th, oil ga(u)ge window；11st, vent hood；12nd, fin；13rd, output shaft；14th, the second taper roller axle
Hold group；15th, worm gear；16th, oil discharge screw；17th, through hole；18th, axle sleeve.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to Fig. 1, a kind of worm type of reduction gearing, including casing 1, position screw thread company of the lateral wall of casing 1 near bottom
Oil discharge screw 16 is connected to, the discharge to the inner fluid of casing 1 is realized.In order to observe the fluid position inside casing 1, therefore in case
The side wall of body 1 is fixed with oil ga(u)ge window 10 near the position of bottom, and the naked eyes for enabling staff pass through oil ga(u)ge window 10 it was observed that case
Height of oil inside body 1.
With reference to Fig. 1, vertically stationary arrangement is provided with some fin 12 to the side wall of casing 1, between fin 12 between
Every setting, by the increase of fin 12 and the contact area of outer gas stream, the energy of flow for making air-flow is taken away more heats, is reached
Preferably radiating.The top of casing 1 is provided with the vent hood 11 worn into inside casing 1, is produced the inside of casing 1 by vent hood 11
Heat discharge outside casing 1, realize preferably radiating, realization is threaded connection between vent hood 11 and casing 1 and is fixed.
With reference to Fig. 2, the inner horizontal of casing 1 is provided with the motor tooth axle 6 that one end wears out the side wall of casing 1, in motor tooth axle 6
Portion is the transition necking that stair-stepping mode realizes the two ends of motor tooth axle 6 by section towards both ends of the surface, is leaned on motor tooth axle 6
The position of two close end is realized being connected between casing 1 by deep groove ball bearing 7, and the opposite one side of deep groove ball bearing 7 is contradicted
On the stair-stepping transition face of motor tooth axle 6；The relative one side of deep groove ball bearing 7 realizes axial limiting by internal jump ring, leads to
Cross the friction that deep groove ball bearing 7 is used to reduce between motor tooth axle 6 and casing 1.The top of casing 1 is located at two deep groove ball bearings 7
Surface is communicated with the oil filler point 9 inside casing 1, by oil filler point 9 towards the inside oiling of casing 1, profit is played to decelerator
Sliding effect；Motor tooth axle 6 to be passed and be embedded with outside framework oil seal between one end of the side wall of casing 1 and casing 1.
With reference to Fig. 2, the inner bay of casing 1 is provided with parallel and motor tooth axle 6 worm screw 2, and worm screw 2 passes through near the position at two ends
Cross sectional shape is that stair-stepping mode realizes the transition necking to two ends, and worm screw 2 passes through axle near the position at two ends with casing 1
3 realizations connection is held, the opposite end face of two bearings 3 is contradicted on the stair-stepping transition face of worm screw 2；Wherein one near motor tooth
The bearing 3 of the one end of axle 6, contradicts with casing 1 towards the side of the end face of worm screw 2 and arranges.Worm screw 2 is led near one end of motor tooth axle 6
Cross to be bonded and be connected to driven gear 8, one end of driven gear 8 contradicts the stair-stepping transition face of worm screw 2, and the other end is by outer jump ring reality
Existing axial limiting；Driven gear 8 and the engaged transmission of motor tooth axle 6.
With reference to Fig. 3, worm screw 2 is away from driven gear 8（With reference to Fig. 2）The bearing 3 of side, sets towards the side of the end face of worm screw 2
There is adjustment ring 5, the end face of adjustment ring 5 contacts at the cycle surface of bearing 3 and the outer wall of adjustment ring 5 contradicts casing 1 for realizing adjusting
The circumference of the domain 5 is spacing.The bolt for contradicting adjustment ring 5 away from the side end face of bearing 3 one is threaded with casing 1, bolt is surrounded
It is circumferentially disposed in the axle center of adjustment ring 5, adjustment ring 5 is contradicted by bolt active force is applied to bearing 3, so as to limit worm screw 2
Axial movement；Bearing 3 is the first taper roll bearing, and the raceway of two the first taper roll bearings is towards the middle part of worm screw 2
Arrange, the axial direction realization to worm screw 2 is preferably spacing.Circumferentially disposed bolt middle part is located on casing 1 and sets plane oil sealing, realized
The inside of casing 1 and outside obstruct.
With reference to Fig. 4, casing 1 is provided with the output shaft 13 perpendicular to the axial direction of worm screw 2, and casing 1 is provided with to be worn for output shaft 13
If through hole 17 and the one end of output shaft 13 pass through hole 17, the middle part of output shaft 13 by being bonded the worm gear 15 for being connected to engagement worm screw 2,
And output shaft 13 realizes transition necking by cross sectional shape towards between the end face for passing the one end of through hole 17 for stair-stepping mode,
It is provided with the second taper roll bearing group 14 between output shaft 13 and through hole 17, the second taper roll bearing group 14 is by being arranged on output
Two second taper roll bearings of the axle 13 near two ends are constituted, the equal court of incline direction of two the second taper roll bearing raceways
Arrange to worm gear 15.
With reference to Fig. 4, one end that the second cone axis roller bearing of the side of casing 1 is passed near output shaft 13 is contradicted in output
The stair-stepping transition face of axle 13, the other end realizes axial restraint by the internal jump ring being embedded on casing 1；Casing 1 and output shaft
Outside framework oil seal is embedded between 13 one end for passing casing 1.The second circle roller bearing of the side of casing 1 is passed away from output shaft 13
Side worm gear 15 contradicted by axle sleeve 18 realize axial unilateral spacing, opposite side conflict has the interior card being embedded on casing 1
Spring is used to limit the axial limiting of the second roller bearing, and output shaft 13 is flat away from being embedded with the through hole 17 for passing the side of casing 1
Face sealing ring；Axle sleeve 18 is set on output shaft 13 and is adapted to output shaft 13.
Fluid is injected towards inside casing 1 on oil filler point 9, fluid is rolled under gravity through deep groove ball bearing 7
Gap between son, enters in the worm screw 2 of the lower section of motor tooth axle 6, and the accumulation to fluid, naked eyes are realized in casing 1
The fluid amount inside casing 1 is observed by observing oil ga(u)ge window 10, makes the inside of casing 1 add appropriate fluid to decelerator
Internal parts are lubricated.Motor tooth axle 6 passes the connection that one end of casing 1 is capable of achieving and motor between, by motor
Drive motor tooth axle 6 is rotated, and motor tooth axle 6 is engaged with driven gear 8, and then drives worm screw 2 to realize rotating；Worm screw 2 and worm gear
Engagement between 15 drives output shaft 13 to realize rotating, and transmits so as to complete the rotation to active force, realizes slowing down and turns round with increase
The effect of square.
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 worm type of reduction gearing, including casing (1) and the worm screw (2) being arranged in casing (1), the casing (1)
Bearing (3) is respectively connected with worm screw (2) between the position at two ends, it is characterised in that：The casing (1) is provided with and drives it
In a bearing (3) end face drive worm screw (2) to make another bearing (3) end face contradict casing (1) inwall, realize that worm screw (2) axially limits
The actuator (4) of position.
2. a kind of worm type of reduction gearing according to claim 1, it is characterised in that：The actuator (4) is conflict axle
Hold the bolt of (3) cycle surface.
3. a kind of worm type of reduction gearing according to claim 2, it is characterised in that：The bearing (3) and bolt end face
Between be provided with contradict bearing (3) cycle surface adjustment ring (5).
4. a kind of worm type of reduction gearing according to claim 3, it is characterised in that：The bolt surrounds adjustment ring (5)
End face it is circumferentially disposed.
5. a kind of worm type of reduction gearing according to claim 1, it is characterised in that：The casing (1) is provided with motor
Tooth axle (6), is connected between the motor tooth axle (6) and casing (1) by deep groove ball bearing (7), and described worm screw (2) is provided with
Driven gear (8), the driven gear (8) is engaged with motor tooth axle (6).
6. a kind of worm type of reduction gearing according to claim 5, it is characterised in that：The deep groove ball bearing (7) is arranged
For two, two deep groove ball bearings (7) are separately positioned on position of motor tooth axle (6) near two ends, and the casing (1) is provided with
Oil filler point (9) between two deep groove ball bearings (7).
7. a kind of worm type of reduction gearing according to claim 1, it is characterised in that：The casing (1) is provided with oil ga(u)ge
Window (10).
8. a kind of worm type of reduction gearing according to claim 1, it is characterised in that：It is higher than casing on the casing (1)
(1) position of internal Height of oil is provided with vent hood (11).
9. a kind of worm type of reduction gearing according to claim 1, it is characterised in that：Casing (1) the outer surface interval
It is provided with some fin (12).
10. a kind of worm type of reduction gearing according to claim 1, it is characterised in that：The casing (1) is provided with output
Axle (13), is respectively connected with the second taper roll bearing group (14), the case between the two ends of the output shaft (13) and casing (1)
Worm gear (15) in body (1) is arranged on output shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072127.5U CN206129991U (en) | 2016-09-22 | 2016-09-22 | Worm gear and worm reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072127.5U CN206129991U (en) | 2016-09-22 | 2016-09-22 | Worm gear and worm reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129991U true CN206129991U (en) | 2017-04-26 |
Family
ID=58570773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621072127.5U Expired - Fee Related CN206129991U (en) | 2016-09-22 | 2016-09-22 | Worm gear and worm reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129991U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167391A (en) * | 2017-12-29 | 2018-06-15 | 缙云县博新机械有限公司 | Anti- deformation long-life worm gear reducer |
| CN109882548A (en) * | 2019-04-18 | 2019-06-14 | 佛山市迪龙传动机械有限公司 | Gap of worm adjustment mechanism |
| CN111136582A (en) * | 2020-03-16 | 2020-05-12 | 杭州三立电炉有限公司 | Double-tray disc changing driving device of numerical control spring double-end-face grinding machine |
-
2016
- 2016-09-22 CN CN201621072127.5U patent/CN206129991U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167391A (en) * | 2017-12-29 | 2018-06-15 | 缙云县博新机械有限公司 | Anti- deformation long-life worm gear reducer |
| CN109882548A (en) * | 2019-04-18 | 2019-06-14 | 佛山市迪龙传动机械有限公司 | Gap of worm adjustment mechanism |
| CN109882548B (en) * | 2019-04-18 | 2024-01-19 | 佛山市迪龙传动机械有限公司 | Worm gear clearance adjustment mechanism |
| CN111136582A (en) * | 2020-03-16 | 2020-05-12 | 杭州三立电炉有限公司 | Double-tray disc changing driving device of numerical control spring double-end-face grinding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206129991U (en) | Worm gear and worm reducer | |
| CN202451797U (en) | Traction gear box for high-speed motor train unit | |
| CN202493644U (en) | X-type standard planet gear speed reducer with axial gap self-compensation function | |
| CN207131814U (en) | A kind of driving chain for multi-storied garage | |
| CN203488679U (en) | Vertical decelerator | |
| CN202508819U (en) | Locking vertical type worm and worm gear lifter used for lifting load | |
| CN202510630U (en) | Rotary upright-type worm and worm gear lifting machine for lifting loads | |
| CN202508820U (en) | Double-pipe upright worm and worm wheel lift for lifting load | |
| CN202195002U (en) | Speed reducer for an incubation device | |
| CN203258044U (en) | Self-lubricating gear speed-changing device | |
| CN103195913A (en) | Rail traffic vehicle gear box | |
| CN203230794U (en) | Gapless worm and gear speed reducer for industrial pipe mechanical device | |
| CN204140814U (en) | Internal sealed automobile differential | |
| CN201817652U (en) | Flexible belt circular weaving machine | |
| CN203441950U (en) | Gear shaft | |
| CN203431106U (en) | Gear reducer capable of carrying out speed regulating without being shut down | |
| CN208498484U (en) | A kind of driving mechanism for transport vehicle | |
| CN207005227U (en) | A kind of variable speed reduction box | |
| CN206317418U (en) | A kind of punch press of adjustable height of punch | |
| CN2430465Y (en) | Improvement of driving device of steel wire rope twisting machine | |
| CN203820071U (en) | Rotary device for stacker | |
| CN204664308U (en) | Spiral bevel gear speed reducer | |
| CN203119693U (en) | Textile constant linear velocity driving motor | |
| CN203822959U (en) | Reduction gearbox for electric threading machine | |
| CN209743505U (en) | vertical cycloidal pin gear speed reducer |
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 |