CN205918838U - Two worm wheel conjugation speed reducers - Google Patents
Two worm wheel conjugation speed reducers Download PDFInfo
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- CN205918838U CN205918838U CN201620906276.0U CN201620906276U CN205918838U CN 205918838 U CN205918838 U CN 205918838U CN 201620906276 U CN201620906276 U CN 201620906276U CN 205918838 U CN205918838 U CN 205918838U
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Abstract
Two worm wheel conjugation speed reducers, the utility model belongs to machinery variable speed transmission field can be used for the accurate field of slowing down that expects much such as industrial robot, lathe, the utility model provides an adopt two worm wheels torque input conjugation simultaneously also in torque output end conjugation, two worm gear reducer, specifically the content is: two worm wheel conjugation speed reducers is become by casing, worm A, worm B, worm wheel A, worm wheel B, gear A, gear B, output gears group, and this kind of structure realizes once that the two -stage slows down, if in addition gear A and output gear's return difference name is for A way return difference worm A and worm wheel A's return difference, the return difference name between gear B and the output gear is for B way return difference in addition for return difference between worm B and the worm wheel B, and total return difference of speed reducer just equals in A way return difference and the B way return difference phase difference that relatively little return difference value subtracts worm wheel A and worm wheel B.
Description
Technical field
This utility model belongs to mechanical speed change transmission field and in particular to a kind of pair of worm gear is conjugated reductor, can be used for
Industrial robot, lathe etc. requires the field of high-accuracy deceleration.
Background technology
Reductor is self-evident in the importance of industry and automatic field, for example super in the cost of industrial robot at present
Crossing 1/3rd is reductor, and the parameter such as the load-bearing capacity of reductor, speed reducing ratio, return difference (backhaul gap), volume determines and subtracts
The quality of fast machine, high accuracy reductor main at present is harmonic wave speed reducing machine and rv reductor, but does not all accomplish in theory zero time
, and there is the big puzzlement of difficulty of processing in difference, the utility model proposes a kind of can realize in theory not being subject to meeting affect
Zero return difference reductor, and structure is simple, and speed reducing ratio is big, and processing and manufacturing difficulty is low.
Utility model content
The utility model proposes it is a kind of simultaneously also common in torque outfan in torque input conjugation using two worm gears
Yoke, double worm reduction gears, particular content is.
Double worm gear conjugation reductors are by housing, worm screw a, worm screw b, worm gear a, worm gear b, gear a, gear b, output gear group
Become, it is characterized in that, worm screw a and worm screw b is coaxial, and worm screw a and worm screw b is circumferentially fixed, and worm screw a and housing are radially fixed, worm screw a with
Housing axial restraint or axial elasticity are fixed, and worm screw b is fixed with housing or worm screw a axial restraint or axial elasticity, worm gear a and snail
Wheel b is located at the same side of worm screw a, and worm gear a and housing are radially fixed, worm gear a and housing axial restraint, and worm gear b and housing are radially
Fixing, worm gear b and housing axial restraint, worm screw a and worm gear a engagement, worm gear a and gear a is coaxial, and worm gear a and gear a circumference is solid
Determine, gear a and output gear engage, worm screw b and worm gear b engagement, worm gear b and gear b is coaxial, worm gear b and gear b circumference is admittedly
Determine, gear b and output gear engage, and output gear is radially fixed with housing.This structure once realizes double reduction, if handle
The return difference of worm screw a and worm gear a adds that gear a and the return difference of output gear are named as a road return difference, returning between worm screw b and worm gear b
Difference is named as b road return difference plus the return difference between gear b and output gear, and total return difference of reductor is equal to a road return difference and b road
Relatively small return difference value in return difference deducts the phase contrast of worm gear a and worm gear b.Described fixation and flexible fastening are part or component
The description of spatial relation, specifically indirectly can indirectly be fixed by other parts or part or indirect flexible fastening is Lai real
Existing, for example gear can be fixed on housing by axle or bearing, and worm screw a and worm screw b can with the common axle of key and even
Connect realize circumferentially fixed it is also possible to be connected with each other with key realize circumferentially fixed；One can also be turned by some situations as needed
Dynamic component processing one part of all-in-one-piece, worm gear a and gear a can be machined to a part, worm gear b and the tooth of one
Wheel b can process one part of all-in-one-piece, if from worm shaft, worm-wheel shaft a, worm-wheel shaft b and output gear shaft or use
The axle of what form, and whether using the bearing of bearing or what form, those skilled in the art can voluntarily select, no completely
Perhaps to refer in particular to bright, for example output gear can be with bonded output shaft it is also possible to be turned from the output of internal gear gear face
Square, the outer ring of internal gear can be fixed by bearing and housing, as long as can continue to meet this practicality in the use of reductor
The part meshing relation of new description and spatial relation are just permissible, and the form of gear also includes singly being not limited to external gear, interior
Gear and helical gear, the meaning of housing is the reference of relatively-stationary space and provides the fulcrum of power for various fixed forms, can
To be that frame form may be not necessarily limited to parcel form.
The torque that upper described double worm gears are conjugated reductor is delivered to worm gear a and gear a by worm screw a, and gear a is delivered to
Output gear；Or it is delivered to worm gear b and gear b from worm screw b, gear b is delivered to output gear.Considering there is backhaul between gear
In the case of gap, in the case that two torque conducting path gaps are not quite identical, the torque of positive and negative two direction of rotation divides
Not Tong Guo above-mentioned two path, certainly also have a kind of situation be exactly two path gears backhaul gap equal, two
The phase contrast of worm gear is zero, and the torque of positive and negative both direction is all simultaneously from above-mentioned two path.
Above-mentioned double worm gear conjugation reductors, is characterized in that, be additionally provided with least one tensioner part, tensioner part is used for axle
Fix worm screw a or worm screw b to fixing or axial elasticity, tensioner part is additionally operable to adjust axial spacing or the axle of worm screw a and worm screw b
To stress.Tensioner part can be connected with housing by bolt or screw thread, adjusted and be applied to snail by swivel bolt or screw thread
Axial expanding force between bar a and worm screw b or the axial spacing between change worm screw a and worm screw b, make worm screw a after adjusting
Spacing and worm screw b between is fixed or flexible fastening, because worm gear a and worm gear b is subject to gear a and gear b and output gear group
The restriction of the gear pair becoming is it is impossible to relatively rotate freely, so the gap variable scope of worm screw a and worm screw b is exactly whole system
The twice in backhaul gap；Tensioner part only needs to small adjustment just can be with tensioner the whole series gear train；Tensioner part can also
It is with being threadedly secured in the coaxial rotating shaft of worm screw a and worm screw b, axial force is applied to worm screw a or worm screw b；Tensioner part is also
Can be two, to worm screw a and worm screw b respectively from contrary both direction tensioner the whole series gear train, two tensioner parts
Structure is sometimes easier to process, and threaded adjusting is a kind of preferred version, certainly can adjust tensioner with through hole other forms
Part.
Above-mentioned double worm gear conjugation reductors, described tensioner part makes the spacing between worm screw a and worm screw b change, drives
Locking phase difference between worm gear a and worm gear b changes, and the locking phase difference between gear a and gear b also changes simultaneously, makes tooth
Wheel a and gear b is tightly engaged round about with output gear respectively, and worm screw a and worm screw b is respectively with worm gear a and worm gear b simultaneously
Tightly engage to by opposite direction.It is substantially not affect worm screw and snail using the axial movement of worm screw by the regulation of tensioner part
The feature of wheel engagement, realizes double worm reduction gear zero return differences in theory by changing the spacing between two worm screws, works as tensioner
When part rigidly adjusts the spacing of worm gear a and worm gear b, on the premise of the stress deformation not consider gear, the zero of reductor
Very big internal stress will not bring serious operating abrasion and loss of torque yet for return difference operating, and the change of load simultaneously is simultaneously
The change of return difference will not be caused.
Above-mentioned double worm gear conjugation reductors, is characterized in that, described tensioner part comprises elastic part, and this elastic part makes
Tensioner part can adjust the axial stress between worm screw a and worm screw b but not change worm screw a and the axial spacing of worm screw b.Some
In the case of do not need zero absolute return difference of reductor, the inadequate part of some machining accuracies, rigidity is adjusted to zero return difference and can bring
Larger running resistance, required precision required precision and the tensioner of part being adjusted using the tensioner part containing elastic part
All relative to lower it is also possible to avoid because adjusting the damage that exertin causes, elastic part can be spring, butterfly spring washer, rubber cushion
Deng.
Above-mentioned double worm gears conjugation reductors, are additionally provided with tensioner part, bearing a and bearing b, tensioner part pass through screw thread with
Housing connects, and rotation screw thread can make tightening part part axially push away worm screw a by bearing a, and what tensioner part connecting shaft held a determines circle,
Worm screw a connects the moving-coil of bearing a, and worm screw b is connected with housing by bearing b, and worm screw b connects the moving-coil of bearing b, housing connecting shaft
That holds b determines circle.As shown in Figure 1.Permissible when fixing the radial direction of worm screw a and lubricating the rotation of worm screw a and worm screw b using bearing
Simultaneously using bearing axial restraint worm screw a and worm screw b and make it keep spacing.Screw thread can be processed on the part of tensioner part
Screw thread and housing on processing screw thread cooperation or tensioner part on bolt and housing on screw or nut join
Close.The use of threaded adjusting is the common knowledge of those skilled in the art, makes tensioner part adjust worm screw a as long as rotation regulation can be reached
Can with the axial spacing of worm screw b or the structure of axial stress.
Above-mentioned double worm gear conjugation reductors, are additionally provided with least one elastic part, elastic part is in the axial direction of worm screw a
Stress being capable of elastic deformation, the spacing knots modification between the elastic deformation amount of elastic part and worm screw a and worm screw b or stress changes
Amount is related.Elastic tensioning can be by being that an elastic part is contained in the axial direction of worm screw a, and elastic part can be butterfly bullet
Pad, rubber cushion or helical spring etc., the addition of elastic part can improve that the not high return difference causing of machining accuracy is unstable, and benefit is
Processing request can be reduced and improve impact resistance, even if so not using adjustable tensioner part also to enable relatively low negative
Zero return difference operating in the case of load, but reductor at this moment can produce back because of elastic part compression under larger load
Difference.
Above-mentioned double worm gear conjugation reductors, described worm screw a is processed at least one end and carries axle, and worm screw b is processed in axle center
Hole, worm screw b is sleeved on the axle that worm screw a stretches out and fixed with keying.In order to optimize design of part further, worm screw a and worm screw b can
Set with each other with the shape being processed into different, and keep the state that spacing can adjust, realized by key each other
Circumferentially fixed, since because being circumferentially fixed, torque is not had any different from worm screw a and worm screw b input, worm screw a's or worm screw b
Rotating disk convenient link input torque can also be processed on end face.
Upper described double worm gear conjugation reductors, also include part worm shaft, worm-wheel shaft a and worm-wheel shaft b, worm shaft and snail
Bar a is coaxial, and worm-wheel shaft a and worm gear a is coaxial, and worm-wheel shaft b and worm gear b is coaxial.Worm shaft can be circumferentially fixed with key with worm screw a
Can be with housing circumferentially fixed worm screw a and worm screw b with respect to worm shaft circumferential movement；Worm-wheel shaft a can be circumferentially fixed with worm gear a
Can also be with housing circumferentially fixed worm gear a and gear a with respect to worm-wheel shaft a circumferential movement.Worm-wheel shaft b can be with worm gear b circumference
Fixation can also be with housing circumferentially fixed worm gear b and gear b with respect to worm-wheel shaft b circumferential movement.
Upper described double worm gear conjugation reductors, described gear a and housing axial restraint, gear b and housing axial restraint,
Output gear and housing axial restraint.When using helical gear when gear a or gear b with respect to output gear axially-movable
Movement warp can be caused, because engagement stress during helical gear engagement has axial component, engagement when from engagement
When stress has the gear of axial component the axial restraint of gear a, gear b and output gear become ensure reductor precision must
Want condition.
Can according to description of the present utility model voluntarily for some those skilled in the art in this utility model application documents
From part do not have special feature, as long as spatial relation and the drive connection that this utility model says description can be met
Parts information model is all possible, and realizes the form of rotating shaft and the form of form that tensioner is adjusted and rotary lubrication is relatively more, and one
As technical staff can voluntarily select as needed using it is not necessary to special instruction completely, such as internal gear do not have obvious axle
Part, is radially fixed and linked by end face and transmit torque by periphery and housing, also some situations can use
The mode such as grease lubrication or graphite lubrication realize bearing-free rotation, most important be core utility model point of the present utility model be to have
The worm gear of two gears carrying coaxial and circumferentially opposed fixation, in input by two with coaxial and circumferentially opposed fixation
Worm screw engages conjugation respectively, is simultaneously engaged conjugation in outfan by two gears and output gear simultaneously, and using axially
Adjusting worm screw does not affect the meshing relation of worm and worm wheel but can change the principle of the phase place of worm gear, by two conjugation pathway to phase
Opposite direction tensioner is it is achieved that can be with the speed reducer structure in adjusting return difference gap.
Brief description
Fig. 1 hides double worm gear conjugation reductor solid Fig. 1 of housing.
Fig. 2 hides double worm gear conjugation reductor solid Fig. 2 of housing.
Fig. 3 hides double worm gear conjugation reductor front views of housing.
Fig. 4 hides double worm gear conjugation reductor rearviews of housing.
Fig. 5 hides double worm gear conjugation reductor top views of housing.
Fig. 6 double worm gear conjugation reductor profile.
Fig. 7 hides the double worm gear conjugation reductor axonometric charts with tensioner part of housing.
Fig. 8 carries double worm gear conjugation reductor profiles of tensioner part.
Fig. 9 carries double worm gear conjugation reductor profiles of tensioner part and elastomeric element.
In figure labelling implication is as follows:
1, housing；2, worm shaft；3, worm-wheel shaft a；4, worm-wheel shaft b；5, output shaft；6, worm screw a；7, worm screw b；8, worm gear a；
9, worm gear b；10, gear a；11, gear b；12, output gear；13, tensioner part；14, the regulating bolt on tensioner part；15,
Worm screw axle bearing a；16, worm screw axle bearing b；17, worm gear axle bearing；18, output shaft bearing；19, elastic part.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is further illustrated.
Embodiment 1, as shown in Fig. 1 to Fig. 5, double worm gears conjugation reductors are by housing (1), worm screw a(6), worm screw b(7), snail
Wheel a(8), worm gear b(9), gear a(10), gear b(11), output gear (12) composition, wherein housing (1) is made up of two parts,
The in figure having for the ease of observing internal structure does not show, worm screw a(6) and worm screw b(7) it is integrated zero processing
Part and axle, worm screw a(6 are processed in two ends) and worm screw b(7) one end is fixed on the circular hole of housing (1), the other end is fixed on shell
On the circular groove of body (1), and use grease lubrication, worm gear a(8) and worm gear b(9) be located at worm screw a(6) the same side, worm gear a
(8) and gear a(10) be integrated the part processing and two ends are machined with the circular groove that axle is fixed on housing (1)
Go up and use grease lubrication, worm gear b(9) and gear b(11) it is integrated the part processing and to be machined with axle solid at two ends
It is scheduled on the circular groove of housing (1), worm screw a(6) and worm gear a(8) engagement, gear a(10) and output gear (12) engagement, snail
Bar b(7) and worm gear b(9) engagement, gear b(11) and output gear (12) engagement, output gear (12) two ends are machined with axle, axle
One end be fixed on the circular groove of housing (1) and use grease lubrication, on another circular hole being fixed on housing (1) and stretch out
Outside shell.Torque is from worm screw a(6) or worm screw b(7) one end input, from output gear (12) axle output.New as this practicality
The pole reduction procedure of type, worm screw a(6) and worm screw b(7) spacing can not adjust but similarly enable than general double reduction portion
The effect of the less return difference of part, has illustrated when the description that double worm gears conjugation total return differences of reductor calculate in the description of this point
?.
Embodiment 2, as shown in Fig. 6 to Fig. 8, double worm gear conjugation reductors are by housing (1), worm shaft (2), worm-wheel shaft a
(3), worm-wheel shaft b(4), output shaft (5), worm screw a(6), worm screw b(7), worm gear a(8), worm gear b(9), gear a(10), gear b
(11), output gear (12) and tensioner part (13) composition, wherein housing (1) is made up of two parts, worm screw a(6) and worm screw b
(7) pass through key and worm shaft (2) be circumferentially fixed, worm gear a(8) and gear a(10) pass through key and worm-wheel shaft a(3) fixing, worm gear b
(9) and gear b(11) pass through key and worm-wheel shaft b(4) fixing, output gear (12) passes through key and output shaft (5) is fixing, worm-wheel shaft
A(3) two ends are fixed on housing (1) by worm gear axle bearing (17), and worm gear axle bearing (17) selects circular cone roller bearing, worm gear
Axle b(4) two ends are fixed on housing (1) also by worm gear axle bearing (17), and output shaft bearing is passed through at the two ends of output shaft (5)
(18) be fixed on housing (1), output shaft bearing (18) selects deep groove ball bearing, tensioner part (13) by a piece type part and
6 bolt (14) compositions, bolt (14) is connected with the screwed hole on housing (1), in tensioner part (13) and worm screw a(6) between
Equipped with a worm screw axle bearing a(15), worm screw axle bearing a(15) select circular cone roller bearing, worm screw axle bearing a(15 simultaneously) footpath
To being fixed on housing (1), tensioner part (13) connecting worm axle bearing a(15) determine circle, worm screw a(6) connecting worm axle axle
Hold a(15) moving-coil, swivel bolt (14) can make tightening part part (13) pass through worm screw axle bearing a(15) promote worm screw a(6),
By worm screw a(6) compress and fixing, worm shaft (2) the other end equipped with worm screw axle bearing b(16), worm screw b(7) pass through worm screw
Axle bearing b(16), be connected with housing (1), worm screw b(7) connecting worm axle bearing b(16) and moving-coil, worm screw axle bearing b(16)
Determine circle to be fixed on housing (1).Torque inputs from worm shaft (2), and the torque after deceleration exports from output shaft (5).
Embodiment 3, as shown in figure 9, double worm gear conjugation reductor by housing (1), worm shaft (2), worm-wheel shaft a(3), worm gear
Axle b(4), output shaft (5), worm screw a(6), worm screw b(7), worm gear a(8), worm gear b(9), gear a(10), gear b(11), output
Gear (12), tensioner part (13) and elastic part (19) composition, wherein housing (1) is made up of two parts, worm screw a(6) and snail
Bar b(7), worm gear a(8 circumferentially fixed by key and worm shaft (2)) and gear a(10) pass through key and worm-wheel shaft a(3) fixing, snail
Wheel b(9) and gear b(11) pass through key and worm-wheel shaft b(4) fixing, output gear (12) passes through key and output shaft (5) is fixing, snail
Wheel shaft a(3) two ends are fixed on housing (1) by worm gear axle bearing (17), and worm gear axle bearing (17) selects circular cone roller bearing,
Worm-wheel shaft b(4) two ends are fixed on housing (1) also by worm gear axle bearing (17), and output shaft axle is passed through at the two ends of output shaft (5)
Hold (18) to be fixed on housing (1), output shaft bearing (18) selects deep groove ball bearing, tensioner part (13) is by a piece type part
Form with 6 bolts (14), bolt (14) is connected with the screwed hole on housing (1), in tensioner part (13) and worm screw a(6) it
Between equipped with a worm screw axle bearing a(15), worm screw axle bearing a(15) select circular cone roller bearing, worm screw axle bearing a(15 simultaneously)
On radially fixed (1) in housing, tensioner part (13) connecting worm axle bearing a(15) determine circle, the moving-coil of bearing a connects elasticity
Part (19), elastic part (19) selects butterfly spring, worm screw a(6) connecting elastic part (19), swivel bolt (14) can make
Tensioner part (13) passes through worm screw axle bearing a(15) and elastic part (19) promotion worm screw a(6), by worm screw a(6) compress and bullet
Property is fixed, worm screw a(6) and worm screw b(7) between spacing flexible fastening, worm shaft (2) the other end equipped with worm screw axle bearing
B(16), worm screw b(7) pass through worm screw axle bearing b(16), it is connected with housing (1), worm screw b(7) connecting worm axle bearing b(16)
Moving-coil, worm screw axle bearing b(16) circle of determining be fixed on housing (1).Torque from worm shaft (2) input, the torque after deceleration from
Output shaft (5) exports.
This utility model is slowed down using the absolute zero return difference that small number of common parts achieve high speed reducing ratio, this practicality
The industrial robot etc. that is applied to that new double worm gears conjugation reductors can extensively be sent out needs the field of accurate retarding machine, can replace
For rv reductor harmonic reductor and difficulty of processing and cost all relatively low, and achieve input and output shaft 90
Can also need to input and output direction for some as far as possible near the axle center of input shaft and output shaft while degree corner
The field of corner can more easily use.
The utility model proposes be not only a frame for movement description, even more propose a kind of speed change of biconjugate
Torque transmission method, according to biconjugate method of the present utility model, double worm gear conjugation reductors can also have a lot of designs of spreading out.
Claims (10)
1. pair worm gear conjugation reductor, by housing, worm screw a, worm screw b, worm gear a, worm gear b, gear a, gear b, output gear group
Become, it is characterized in that, worm screw a and worm screw b is coaxial, and worm screw a and worm screw b is circumferentially fixed, and worm screw a and housing are radially fixed, worm screw a with
Housing axial restraint or axial elasticity are fixed, and worm screw b is fixed with housing or worm screw a axial restraint or axial elasticity, worm gear a and snail
Wheel b is located at the same side of worm screw a, and worm gear a and housing are radially fixed, worm gear a and housing axial restraint, and worm gear b and housing are radially
Fixing, worm gear b and housing axial restraint, worm screw a and worm gear a engagement, worm gear a and gear a is coaxial, and worm gear a and gear a circumference is solid
Determine, gear a and output gear engage, worm screw b and worm gear b engagement, worm gear b and gear b is coaxial, worm gear b and gear b circumference is admittedly
Determine, gear b and output gear engage, and output gear is radially fixed with housing.
2. according to claim 1 pair of worm gear is conjugated reductor, it is characterized in that, the moment of torsion of described reductor passes through worm screw a
It is delivered to worm gear a and gear a, gear a is delivered to output gear；Or it is delivered to worm gear b and gear b from worm screw b, gear b transmits
To output gear.
3. according to claim 1 pair of worm gear is conjugated reductor, it is characterized in that, is additionally provided with least one tensioner part, rises
Tight part is used for axial restraint or axial elasticity fixes worm screw a or worm screw b, and tensioner part is additionally operable to adjust worm screw a's and worm screw b
Axial spacing or axial stress.
4. according to claim 3 pair of worm gear is conjugated reductor, it is characterized in that, the regulation of described tensioner part makes worm screw a
Spacing and worm screw b between changes, and drives the locking phase difference between worm gear a and worm gear b to change, between gear a and gear b
Locking phase difference also changes simultaneously, so that gear a and gear b is tightly engaged round about with output gear respectively, worm screw a simultaneously
Tightly engage to by opposite direction with worm gear a and worm gear b respectively with worm screw b.
5. according to claim 3 pair of worm gear is conjugated reductor, it is characterized in that, described tensioner part comprises elastic part,
This elastic part enables tensioner part to adjust the axial stress between worm screw a and worm screw b but does not change worm screw a's and worm screw b
Axial spacing.
6. according to claim 1 pair of worm gear is conjugated reductor, it is characterized in that, is additionally provided with tensioner part, bearing a and bearing
B, tensioner part is connected with housing by screw thread, and rotation screw thread can make tightening part part axially push away worm screw a, tensioner by bearing a
Part connects the circle of determining of bearing a, and worm screw a connects the moving-coil of bearing a, and worm screw b is connected with housing by bearing b, worm screw b connecting shaft
Hold the moving-coil of b, housing connection bearing b determines circle.
7. according to claim 1 pair of worm gear is conjugated reductor, it is characterized in that, above-mentioned double worm gears are conjugated reductors, also
Be provided with least one elastic part, elastic part in the axial direction of worm screw a stress can elastic deformation, elastic part elasticity change
Spacing knots modification between shape amount and worm screw a and worm screw b or stress changes amount are related.
8. according to claim 1 pair of worm gear is conjugated reductor, it is characterized in that, described worm screw a is processed at least one end band
There is axle, worm screw b axle center processes pore-forming, worm screw b is sleeved on the axle that worm screw a stretches out and fixed with keying.
9. the according to claim 1 pair of worm gear is conjugated reductor, it is characterized in that, also include part worm shaft, worm-wheel shaft a and
Worm-wheel shaft b, worm shaft and worm screw a are coaxial, and worm-wheel shaft a and worm gear a is coaxial, and worm-wheel shaft b and worm gear b is coaxial.
10. the according to claim 1 pair of worm gear is conjugated reductor, it is characterized in that, described gear a and housing axial restraint,
Gear b and housing axial restraint, output gear and housing axial restraint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906276.0U CN205918838U (en) | 2016-08-21 | 2016-08-21 | Two worm wheel conjugation speed reducers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906276.0U CN205918838U (en) | 2016-08-21 | 2016-08-21 | Two worm wheel conjugation speed reducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918838U true CN205918838U (en) | 2017-02-01 |
Family
ID=57871879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620906276.0U Active CN205918838U (en) | 2016-08-21 | 2016-08-21 | Two worm wheel conjugation speed reducers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591370A (en) * | 2018-07-09 | 2018-09-28 | 江苏明宇石油机械有限公司 | A kind of strength speed reducer for discount formula oil production machine |
-
2016
- 2016-08-21 CN CN201620906276.0U patent/CN205918838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591370A (en) * | 2018-07-09 | 2018-09-28 | 江苏明宇石油机械有限公司 | A kind of strength speed reducer for discount formula oil production machine |
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