CN104728400B - Adjustable slit bevel gear reducer based on eccentric structure - Google Patents
Adjustable slit bevel gear reducer based on eccentric structure Download PDFInfo
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- CN104728400B CN104728400B CN201510104220.3A CN201510104220A CN104728400B CN 104728400 B CN104728400 B CN 104728400B CN 201510104220 A CN201510104220 A CN 201510104220A CN 104728400 B CN104728400 B CN 104728400B
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 71
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
Abstract
The invention discloses a kind of adjustable slit bevel gear reducer based on eccentric structure, it is desirable to provide a kind of easy to adjust, operating efficiency is high, and the adjustable slit bevel gear reducer of Mesh Clearance Adjustment high precision.It includes box body of speed reducer, input shaft, the input bevel gear being arranged on input shaft, output shaft, the annular toothholder being co-axially located on output shaft and the annular output bevel gear wheel being arranged on annular toothholder.Box body of speed reducer is provided with input shaft and installs axis hole, and input shaft is installed and tune gap axle sleeve is rotatably provided with axis hole, and the outer peripheral face and input shaft of the tune gap axle sleeve are installed axis hole and be engaged, and the outer peripheral face and input shaft of tune gap axle sleeve is installed axis hole and be coaxially disposed；The axle center of interior axis hole and the axle center of the outer peripheral face for adjusting gap axle sleeve for adjusting gap axle sleeve is in eccentric setting, and adjusts the axis of the interior axis hole of gap axle sleeve parallel with the axis of the outer peripheral face for adjusting gap axle sleeve；Input shaft is spindle rotationally arranged in by bearing on the interior axis hole for adjusting gap axle sleeve.
Description
Technical field
The present invention relates to a kind of reductor, and in particular to a kind of adjustable slit bevel gear reducer based on eccentric structure.
Background technology
Bevel gear reducer is the type in reductor, and its gear adopts the quasi- hyperbola flute profile of Gleason, gear to be
Hardened gear face.Current bevel gear reducer structure generally includes casing, input shaft, input bevel gear, input shaft end-blocking lid, output
Bevel gear, output shaft and output shaft end-blocking lid, which passes through to be input into bevel gear and output bevel gear wheel engaged transmission completes speed-down action.
How effectively the noise of bevel gear reducer produces friction, vibration and the collision for stemming primarily from travelling gear,
Reduce and reduce noise so as to which it is also a domestic and international emphasis research topic more to meet environmental requirement, reduce bevel gear reducer
Gear transmission noises during operation have become the important subject in industry；Wherein, by optimizing gear parameter, such as pressure
Angle, centre-to-centre spacing, back lash etc., make meshing impact speed be down to minimum, nibble out the ratio of impact velocity and meshing impact speed
In a certain number range, the design of gears method for reducing or avoiding operating pitch circle to impact, can obviously reduce reducer gear and make an uproar
Sound.Thus, bevel gear reducer needs the back lash for adjusting input bevel gear and output bevel gear wheel, to make defeated in assembling process
The back lash for entering bevel gear with output bevel gear wheel is adjusted to rational number range, so as to improve the use of bevel gear reducer
Life-span, and reduce reducer gear noise.At present, the input of bevel gear reducer is led to the Mesh Clearance Adjustment of output bevel gear wheel
It is often to be adjusted by the way of increase and decrease adjust pad.Although can be adjusted between engagement by the way of increase and decrease adjust pad
Gap, but this regulative mode is not only complicated, loaded down with trivial details, and workload is big, operating efficiency is low, and Mesh Clearance Adjustment precision is low.
The content of the invention
The invention aims in overcoming prior art using increase and decrease adjust pad by the way of cone governor The gear deceleration
The back lash of machine is not only complicated, loaded down with trivial details, and workload is big, operating efficiency is low, and the low problem of Mesh Clearance Adjustment precision, carries
It is for a kind of easy to adjust, operating efficiency high, and Mesh Clearance Adjustment high precision subtracted based on the adjustable slit bevel gear of eccentric structure
Fast machine.
The technical scheme is that：
A kind of adjustable slit bevel gear reducer based on eccentric structure, including box body of speed reducer, input shaft, are arranged on input
Input bevel gear on axle, output shaft, the annular toothholder being co-axially located on output shaft and the annular being arranged on annular toothholder
Output bevel gear wheel；The input bevel gear is engaged with annular output bevel gear wheel, and the box body of speed reducer is provided with input shaft installation
Axis hole, input shaft are installed and tune gap axle sleeve are rotatably provided with axis hole, and outer peripheral face and the input shaft of the tune gap axle sleeve install axis hole
It is engaged, and adjusts the outer peripheral face of gap axle sleeve and input shaft that axis hole is installed and is coaxially disposed；Adjust axle center and the tune of the interior axis hole of gap axle sleeve
The axle center of the outer peripheral face of gap axle sleeve is in eccentric setting, and adjusts the axis of the interior axis hole of gap axle sleeve and the axle of the outer peripheral face for adjusting gap axle sleeve
Line is parallel；The input shaft is spindle rotationally arranged in by bearing on the interior axis hole for adjusting gap axle sleeve, and input shaft and tune gap axle
The interior axis hole of set is coaxially disposed；The output shaft is rotatably arranged on box body of speed reducer by bearing, and output shaft and input
Axle is perpendicular.
As the axle center of interior axis hole and the axle center of the outer peripheral face for adjusting gap axle sleeve of the tune gap axle sleeve of this programme are in eccentric setting,
And adjust the axis of the interior axis hole of gap axle sleeve parallel with the axis of the outer peripheral face for adjusting gap axle sleeve；Thus it is interior when adjusting gap axle sleeve to rotate
Input shaft in axis hole will install around input shaft axis hole center line rotate, and then make input shaft drive input bevel gear leave or
Near annular output bevel gear wheel, the purpose for adjusting the back lash between input bevel gear and annular output bevel gear wheel is reached, and
And the regulative mode of this programme back lash is a kind of step-less adjustment, with adopt using increase and decrease adjust pad have level adjust compared with
With Mesh Clearance Adjustment high precision the characteristics of.After back lash regulates, then gap axle sleeve will be adjusted to be fixed on decelerating chassis
On body.The regulative mode of this programme back lash is not only easy to adjust, operating efficiency is high, and Mesh Clearance Adjustment high precision,
Be conducive to improving the service life of bevel gear reducer, and reduce reducer gear noise.
Preferably, adjusting the outer peripheral face on gap axle sleeve by its outer end to be provided with annular mounting plate, annular mounting plate is provided with
Some waist round hole, each waist round hole are circumferential uniform around the outer peripheral face for adjusting gap axle sleeve, and each waist round hole along adjusting, gap axle sleeve is circumferentially extending to be set
Put, annular mounting plate is resisted against on decelerating chassis outside, and be connected with box body of speed reducer through waist round hole by bolt.
Preferably, also including input shaft end-blocking lid, the input shaft end-blocking lid is arranged on by bolt adjusts the outer of gap axle sleeve
On end face, and gasket seal between the outer face of input shaft end-blocking lid and tune gap axle sleeve, is provided with, the input shaft passes through input shaft
End-blocking lid, is provided with oil sealing between the input shaft end-blocking lid and input shaft；Also set between the input shaft end-blocking lid and input shaft
There is standby input oil enveloping structure, the standby input oil enveloping structure is located on the outside of reduction case；Standby input oil enveloping structure includes
The fixed body being arranged on input shaft end-blocking lid outer face, the slip body being slidably arranged in fixed cover body and is arranged on
The first buckle connecting structure between fixed body and slip body；The fixed body is set on input shaft, and with input
Axle is coaxially disposed, and the slip body is set on input shaft, and is coaxially disposed with input shaft；First buckle connecting structure
Be arranged on slip cap body end face including the first snap ring being arranged in fixed cover body on side and at least one, and can be with first
The first Elastic buckle that snap ring coordinates, first snap ring, the first Elastic buckle and input shaft end-blocking lid are positioned at slip body
The same side；The first exterior seal ring is provided between the fixed body and slip body, is set between the slip body and input shaft
There is the first inner seal ring, and the first inner seal ring is fixed in slip cap body on side；On the input shaft lateral surface, positioned at subtracting
First annular resigning groove is provided with the outside of fast device casing；In the fixed cover body, side is provided with the first outer annular spacing block set,
The first annular spacing block set, the slip cap are provided with slip cap outside, on the inside of the first outer annular spacing block set
Collar stop is provided with outside, positioned at the external side of fixed cover, on slip body, positioned at fixed cover body end face and collar stop
Between be provided with the first pretension compression spring that the first annular spacing block set can be made to be resisted against on the first outer annular spacing block set；When
When first annular spacing block set is resisted against on the first outer annular spacing block set, first inner seal ring is located at first annular allowing
In the groove of position, and gap is provided between the first inner seal ring and first annular resigning groove inner wall；When the first Elastic buckle and
After one snap ring clamping, first inner seal ring is in staggered distribution with first annular resigning groove, and in slip body and input shaft
Between form Hermetical connecting structure.
Due to oil sealing（Sealing ring）During Long-Time Service, the abrasion or grease accumulation reason such as at the axle envelope, can all hold
Easily cause generation Leakage at the oil sealing of decelerator input/shaft.Oil sealing oil leak is common in current decelerator bad asks
Topic.Once there is oil sealing Leakage in current decelerator, then need to change oil sealing；And need reductor solution when changing oil sealing
Body, pulls down shaft coupling, takes out reductor shaft end-blocking lid, then changes oil sealing, and reinstall；This causes to change oil sealing this mistake
The workload of journey is big, waste time and energy.
This programme decelerator can effectively solving this problem, when the oil sealing oil leak of this programme input shaft, it is only necessary to will be sliding
Dynamic body is pushed away inside, and makes the first Elastic buckle and the first snap ring clamping.When the first Elastic buckle and the first snap ring clamping
Afterwards, the first inner seal ring and first annular resigning groove are in staggered distribution side, and between slip body and input shaft form Xinmi City
Envelope attachment structure；So as to novel sealing attachment structure is formed between the slip body and input shaft on the outside of oil sealing, axle envelope leakage is solved
Oily problem, can so eliminate disintegration reductor, tear the operation that shaft joint etc. is wasted time and energy open；Can be in effectively solving prior art
Once there is the axle envelope oil leak of input shaft in decelerator, then need reductor disintegrates, and pulls down shaft coupling, takes out reductor shaft end-blocking
Lid, then changes oil sealing, and reinstalls, and wastes time and energy, the problem that workload is big.
Preferably, input shaft end-blocking lid middle part is provided with central shaft hole, the input shaft passes through the central shaft hole；In described
Arbor hole medial surface is provided with oil sealing mounting groove, and being provided with oil sealing mounting groove can be along the annular pressing plate of input shaft axial movement, ring
Shape pressing plate is set on input shaft；The oil sealing is hollow O-ring seal, and the oil sealing is arranged in oil sealing mounting groove, described
Annular pressing plate is located between oil sealing and slip body, and oil sealing is brought into close contact with annular pressing plate；In the oil sealing mounting groove side,
Side near slip body is provided with least two guide through hole parallel with input shaft, and each guide through hole around input shaft
It is circumferential uniform；Axial push rod is provided with respectively slidably in each guide through hole, one end of axial push rod is connected with annular pressing plate,
The other end is located in fixed cover body, and the annular pressing plate and axial push rod are positioned at the same side of slip body；When the first annular
When spacing block set is resisted against on the first outer annular spacing block set, there is between the axial push rod and slip body gap；Work as cunning
Dynamic body is elapsed toward oil sealing direction, and after making the first Elastic buckle and the first snap ring clamping, the end face of the slip body against
In the end of axial push rod, and axial push rod is elapsed into 0.3 to 1.2 millimeter toward oil sealing direction.
When the oil sealing oil leak of this programme input shaft, it is only necessary to which slip body is pushed away inside, and make the first Elastic buckle with
First snap ring clamping.Due to elapsing toward oil sealing direction when slip body, and make the first Elastic buckle and the first snap ring clamping
Afterwards, the end face of slip body is resisted against the end of axial push rod, and axial push rod is elapsed 0.3 to 1.2 millimeter toward oil sealing direction；
So annular pressing plate will push oil sealing, simultaneously because oil sealing is hollow O-ring seal（Hollow O-ring seal with compared with
Big deformation quantity）, will protrude toward input shaft after oil sealing is by annular pressing plate extruding, increase the composition surface between oil sealing and input shaft
And normal pressure, so as to repair the Hermetical connecting structure between oil sealing and input shaft, and coordinate standby input oil enveloping structure, in input
It is new in front and back's two sealing structures on axle, further improve the sealing effectiveness of input shaft, further effectively solving, prevention axle envelope leakage
Oily problem.
Preferably, being threaded connection between axial push rod and annular pressing plate.
Preferably, the first Elastic buckle include being arranged on slip cap body end face, and the elastic arm that extends along input shaft
And it is arranged on the fixture block composition of elastic arm end.
Preferably, the section of first annular resigning groove is in circular arc.
Preferably, input shaft installation axle hole horizontal is arranged.
Preferably, adjusting the medial surface that the outer peripheral face of gap axle sleeve installs axis hole with input shaft to fit.
Preferably, adjust that first annular avoidance groove is provided with the middle part of the outer peripheral face of gap axle sleeve, the input shaft installs axis hole
Medial surface be provided with second annular avoid groove, and it is first annular avoidance groove with second annular avoid groove just to setting.
The invention has the beneficial effects as follows：
First, having, back lash is easy to adjust, operating efficiency is high, and the characteristics of Mesh Clearance Adjustment high precision, favorably
In the service life of bevel gear reducer, and reduce reducer gear noise.
Second, oil sealing oil leak can once reducer input shaft occur in effectively solving prior art, then need to change oil sealing,
Waste time and energy, the problem that workload is big.
Description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is a kind of structural representation of the tune gap axle sleeve of the present invention.
Fig. 3 is B direction views in Fig. 2.
Fig. 4 is the partial enlarged drawing in Fig. 1 at A.
Fig. 5 is the partial enlarged drawing in Fig. 4 at C.
Fig. 6 is first Elastic buckle of the present invention and a kind of partial structural diagram after the first snap ring clamping.
In figure：Box body of speed reducer 1, input shaft install axis hole 2, adjust gap axle sleeve 3, outer peripheral face 31, annular mounting plate 32, oval
Hole 33, interior axis hole 34, first annular avoidance groove 35, input shaft 4, input shaft end-blocking lid 5, oil sealing 51, gasket seal 52, oil sealing
Mounting groove 53, central shaft hole 54, input bevel gear 6, annular output bevel gear wheel 7, annular toothholder 8, standby input oil enveloping structure 9,
First buckle connecting structure 91, the first snap ring 91a, the first Elastic buckle 91b, fixed body 92, first annular resigning groove 93,
The outer annular spacing block set 98 of first inner seal ring 94, slip body 95, the first pretension compression spring 96, collar stop 97, first,
First annular spacing block set 99, the 3rd exterior seal ring 910, annular pressing plate 10, axial push rod 11.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3 shows, a kind of adjustable slit bevel gear reducer based on eccentric structure includes subtracting
Fast box body 1, input shaft 4, the input bevel gear 6 being arranged on input shaft, input shaft end-blocking lid 5, output shaft are co-axially located at
Annular toothholder 8 on output shaft, the annular output bevel gear wheel 7 being arranged on annular toothholder.Output shaft is rotatable by bearing
Arrange on box body of speed reducer, and output shaft is perpendicular with input shaft.Input bevel gear is engaged with annular output bevel gear wheel.
Box body of speed reducer is provided with input shaft and installs axis hole 2.Input shaft installation axle hole horizontal is arranged.Input shaft installs axis hole
Tune gap axle sleeve 3 is rotatably provided with inside.The outer peripheral face 31 of the tune gap axle sleeve is installed axis hole with input shaft and is engaged, and adjusts gap axle sleeve
Outer peripheral face and input shaft axis hole be installed be coaxially disposed.The medial surface that the outer peripheral face of gap axle sleeve installs axis hole with input shaft is adjusted to be affixed
Close.First annular avoidance groove 35 is provided with the middle part of the outer peripheral face for adjusting gap axle sleeve.Input shaft is installed the medial surface of axis hole and is provided with the
Second ring avoids groove, and first annular avoidance groove and the second annular avoid groove just to arranging.Adjust the interior axis hole of gap axle sleeve
34 axle center is in eccentric setting with the axle center of the outer peripheral face 31 for adjusting gap axle sleeve, and adjusts the axis of the interior axis hole of gap axle sleeve and adjust gap axle
The axis of the outer peripheral face of set is parallel.Input shaft is spindle rotationally arranged in by bearing on the interior axis hole for adjusting gap axle sleeve, and is input into
Axle is coaxially disposed with the interior axis hole for adjusting gap axle sleeve.
The outer peripheral face on gap axle sleeve by its outer end is adjusted to be provided with annular mounting plate 32.Annular mounting plate is provided with some ovals
Hole 33.Each waist round hole is circumferential uniform around the outer peripheral face for adjusting gap axle sleeve, and each waist round hole is along the circumferentially extending setting of tune gap axle sleeve.Annular
Installing plate is resisted against on decelerating chassis outside, and is connected with box body of speed reducer through waist round hole by bolt.
As shown in Figure 1, Figure 4, Figure 5, input shaft end-blocking lid is arranged on by bolt on the outer face for adjusting gap axle sleeve, and is input into
Gasket seal 52 is provided between the outer face of axle envelope end cap and tune gap axle sleeve.Input shaft is through input shaft end-blocking lid.Input axle envelope
Oil sealing 51 is provided between end cap and input shaft.Standby input oil enveloping structure 9 is additionally provided between input shaft end-blocking lid and input shaft.Should
Standby input oil enveloping structure is located on the outside of reduction case.Standby input oil enveloping structure includes being arranged on input shaft end-blocking lid outer end
Fixed body 92 on face, the slip body 95 being slidably arranged in fixed cover body and is arranged on fixed body and slip body
Between the first buckle connecting structure 91.Fixed body is set on input shaft, and is coaxially disposed with input shaft.Slip body set
It is located on input shaft, and is coaxially disposed with input shaft.First buckle connecting structure includes being arranged in fixed cover body on side
First snap ring 91a and at least one is arranged on slip cap body end face, and the first Elastic buckle that can coordinate with the first snap ring
91b.The first Elastic buckle quantity in the present embodiment is four, and four the first Elastic buckles are circumferential uniform around input shaft.The
One snap ring, the first Elastic buckle and input shaft end-blocking lid are positioned at the same side of slip body.First Elastic buckle includes being arranged on
On slip cap body end face, and along input shaft extend elastic arm and be arranged on elastic arm end fixture block constitute.
The first exterior seal ring 910 is provided between fixed body and slip body.Slip cap outside is provided with outside first
Sealing ring mounting groove, the first exterior seal ring are fixedly installed in the first exterior seal ring mounting groove.Between slip body and input shaft
The first inner seal ring 94 is provided with, and the first inner seal ring is fixed in slip cap body on side.In slip cap body, side is provided with
First inner seal ring mounting groove, the first inner seal ring are fixedly installed in the first inner seal ring mounting groove.On input shaft lateral surface,
First annular resigning groove 93 is provided with the outside of casing.The section of first annular resigning groove is in circular arc.
In fixed cover body, side is provided with the first outer annular spacing block set 98.On slip cap outside, outside first
The first annular spacing block set 99 is provided with the inside of annular stop projection.First annular spacing block set is located at input shaft end-blocking lid
The same side of first outer annular spacing block set.Collar stop 97 is provided with slip cap outside, positioned at the external side of fixed cover.Ring
It is threaded connection between shape block and slip body.Set on slip body, between fixed cover body end face and collar stop
There is the first pretension compression spring 96, the first pretension compression spring can make the first annular spacing block set be resisted against the first outer annular
On spacing block set.
As shown in figure 5, when the first annular spacing block set is resisted against on the first outer annular spacing block set, the first interior sealing
Circle is in first annular resigning groove, and is provided with gap between the first inner seal ring and first annular resigning groove inner wall.Such as
Shown in Fig. 6, after the first Elastic buckle and the first snap ring clamping, the first inner seal ring and first annular resigning groove stagger point
Cloth, and Hermetical connecting structure is formed between slip body and input shaft.
As shown in Figure 4, Figure 5, when standby input oil enveloping structure does not work, the first annular spacing block set is resisted against outside first
On annular stop projection, the first inner seal ring is located in first annular resigning groove, the first inner seal ring and first annular resigning
Gap is provided between groove inner wall；So in the decelerator course of work, the first inner seal ring will not be worn.
As shown in Fig. 4, Fig. 6, when the axle envelope oil leak of input shaft, operator only needs to slip body is pushed away toward oil sealing direction
Move, and make the first Elastic buckle and the first snap ring clamping, now the first inner seal ring is in staggered distribution with first annular resigning groove,
And form novel sealing attachment structure between slip body and input shaft, so as to the slip body on the outside of the oil sealing and input shaft it
Between formed novel sealing attachment structure, solve oil sealing Leakage.
Embodiment 2：With reference to embodiment 1, its difference is remaining structure of the present embodiment：
As shown in Figure 4, Figure 5, input shaft end-blocking lid middle part is provided with central shaft hole 54.Input shaft passes through the central shaft hole.In
Arbor hole medial surface is provided with oil sealing mounting groove 53.Being provided with oil sealing mounting groove can be along the annular pressing plate of input shaft axial movement
10.Annular pressing plate is set on input shaft.Oil sealing 51 is hollow O-ring seal.The oil sealing is arranged in oil sealing mounting groove.
Annular pressing plate is located between oil sealing and slip body.Oil sealing is brought into close contact with annular pressing plate；While oil sealing and oil sealing mounting groove bottom
Face and the oil sealing mounting groove side away from slip body are brought into close contact.In oil sealing mounting groove side, near the side of slip body
Four guide through hole parallel with input shaft are provided with, and each guide through hole is circumferential uniform around input shaft.In each guide through hole
Axial push rod 11 is provided with respectively slidably.One end of axial push rod is connected with annular pressing plate, and the other end is located at fixed body
It is interior.It is threaded connection between axial push rod and annular pressing plate.Annular pressing plate and axial push rod are located at the same side of slip body.
As shown in figure 5, when the first annular spacing block set is resisted against on the first outer annular spacing block set, axial push rod with
There is between slip body gap.As shown in fig. 6, when slip body is elapsed toward oil sealing direction, and make the first Elastic buckle and the
After one snap ring clamping, the end face of slip body is resisted against the end of axial push rod, and by axial push rod toward oil sealing direction passage 0.3
Millimeter or 0.5 millimeter or 0.8 millimeter or 1.2 millimeters.
Claims (8)
1. a kind of adjustable slit bevel gear reducer based on eccentric structure, including box body of speed reducer, input shaft, are arranged on input shaft
On input bevel gear, output shaft the annular toothholder being co-axially located on output shaft and is arranged on annular defeated on annular toothholder
Go out bevel gear；The input bevel gear is engaged with annular output bevel gear wheel, be it is characterized in that, the box body of speed reducer is provided with input
Axle installs axis hole, and input shaft is installed and tune gap axle sleeve is rotatably provided with axis hole, and outer peripheral face and the input shaft of the tune gap axle sleeve are pacified
Dress axis hole is engaged, and adjusts the outer peripheral face and input shaft installation axis hole of gap axle sleeve to be coaxially disposed；Adjust the axle of the interior axis hole of gap axle sleeve
The heart is in eccentric setting with the axle center of the outer peripheral face for adjusting gap axle sleeve, and adjusts the axis of the interior axis hole of gap axle sleeve and the periphery for adjusting gap axle sleeve
The axis in face is parallel；The input shaft by bearing be spindle rotationally arranged in adjust gap axle sleeve interior axis hole on, and input shaft with
The interior axis hole of gap axle sleeve is adjusted to be coaxially disposed；The output shaft is rotatably arranged on box body of speed reducer by bearing, and output shaft
It is perpendicular with input shaft；
Also include input shaft end-blocking lid, the input shaft end-blocking lid is arranged on by bolt on the outer face for adjusting gap axle sleeve, and is input into
Gasket seal is provided between the outer face of axle envelope end cap and tune gap axle sleeve, the input shaft is through input shaft end-blocking lid, described defeated
Enter oil sealing is provided between axle envelope end cap and input shaft；Standby input oil sealing is additionally provided between the input shaft end-blocking lid and input shaft
Structure, the standby input oil enveloping structure are located on the outside of box body of speed reducer；Standby input oil enveloping structure includes being arranged on input axle envelope
Fixed body on end cap outer face, the slip body being slidably arranged in fixed cover body and be arranged on fixed body with slide
The first buckle connecting structure between body；The fixed body is set on input shaft, and is coaxially disposed with input shaft, described
Slip body is set on input shaft, and is coaxially disposed with input shaft；First buckle connecting structure includes being arranged on fixation
The first snap ring and at least one on body medial surface be arranged on slip cap body end face, and can coordinate with the first snap ring first
Elastic buckle, first snap ring, the first Elastic buckle and input shaft end-blocking lid are positioned at the same side of slip body；
The first exterior seal ring is provided between the fixed body and slip body, between the slip body and input shaft, is provided with
One inner seal ring, and the first inner seal ring is fixed in slip cap body on side；On the input shaft lateral surface, positioned at reductor
First annular resigning groove is provided with the outside of casing；
In the fixed cover body, side is provided with the first outer annular spacing block set, on slip cap outside, positioned at the first outer shroud
The first annular spacing block set is provided with the inside of shape spacing block set, is set on the slip cap outside, positioned at the external side of fixed cover
There is collar stop, being provided with slip body, between fixed cover body end face and collar stop to make the first annular limit convex
Block is resisted against the first pretension compression spring on the first outer annular spacing block set；
When the first annular spacing block set is resisted against on the first outer annular spacing block set, first inner seal ring is located at first
In annular resigning groove, and gap is provided between the first inner seal ring and first annular resigning groove inner wall；When the first elastic card
Button with the first snap ring clamping after, first inner seal ring is in staggered distribution with first annular resigning groove, and slip body with
Hermetical connecting structure is formed between input shaft；
Input shaft installation axle hole horizontal is arranged.
2. the adjustable slit bevel gear reducer based on eccentric structure according to claim 1, is characterized in that, the tune gap axle
Put the outer peripheral face by its outer end and be provided with annular mounting plate, annular mounting plate is provided with some waist round hole, and each waist round hole is around tune
The outer peripheral face of gap axle sleeve is circumferential uniform, and each waist round hole, along the circumferentially extending setting of tune gap axle sleeve, annular mounting plate is resisted against deceleration
On cabinet outside, and it is connected with box body of speed reducer through waist round hole by bolt.
3. the adjustable slit bevel gear reducer based on eccentric structure according to claim 1, is characterized in that, the input shaft
End-blocking lid middle part is provided with central shaft hole, and the input shaft passes through the central shaft hole；The central shaft hole medial surface is provided with oil sealing
Mounting groove, is provided with oil sealing mounting groove and can be set on input shaft along the annular pressing plate of input shaft axial movement, annular pressing plate；Institute
It is hollow O-ring seal to state oil sealing, and the oil sealing is arranged in oil sealing mounting groove, and the annular pressing plate is located at oil sealing and slides
Between body, and oil sealing is brought into close contact with annular pressing plate；
At least two guiding parallel with input shaft are provided with the oil sealing mounting groove side, near the side of slip body
Through hole, and each guide through hole is circumferential uniform around input shaft；Axial push rod is slidably provided with respectively in each guide through hole, is axially pushed away
One end of bar is connected with annular pressing plate, and the other end is located in fixed cover body, and the annular pressing plate and axial push rod are located at and slide
The same side of body；
When the first annular spacing block set is resisted against on the first outer annular spacing block set, the axial push rod and slip body it
Between have gap；When slip body is elapsed toward oil sealing direction, and after making the first Elastic buckle and the first snap ring clamping, the slip
The end face of body is resisted against the end of axial push rod, and axial push rod is elapsed 0.3 to 1.2 millimeter toward oil sealing direction.
4. the adjustable slit bevel gear reducer based on eccentric structure according to claim 3, is characterized in that, the axial direction pushes away
It is threaded connection between bar and annular pressing plate.
5. the adjustable slit bevel gear reducer based on eccentric structure according to claim 3 or 4, is characterized in that, described
One Elastic buckle includes being arranged on slip cap body end face, and the elastic arm that extends along input shaft and be arranged on elastic arm end
Fixture block is constituted.
6. the adjustable slit bevel gear reducer based on eccentric structure according to claim 3 or 4, is characterized in that, described
The section of one annular resigning groove is in circular arc.
7. the adjustable slit bevel gear reducer based on eccentric structure according to claim 1 or 2 or 3 or 4, is characterized in that,
The medial surface that the outer peripheral face for adjusting gap axle sleeve installs axis hole with input shaft fits.
8. the adjustable slit bevel gear reducer based on eccentric structure according to claim 1 or 2 or 3 or 4, is characterized in that,
First annular avoidance groove is provided with the middle part of the outer peripheral face for adjusting gap axle sleeve, the input shaft is installed the medial surface of axis hole and is provided with
Second annular avoids groove, and first annular avoidance groove and the second annular avoid groove just to arranging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104220.3A CN104728400B (en) | 2015-03-10 | 2015-03-10 | Adjustable slit bevel gear reducer based on eccentric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104220.3A CN104728400B (en) | 2015-03-10 | 2015-03-10 | Adjustable slit bevel gear reducer based on eccentric structure |
Publications (2)
| Publication Number | Publication Date |
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| CN104728400A CN104728400A (en) | 2015-06-24 |
| CN104728400B true CN104728400B (en) | 2017-03-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108397520A (en) * | 2017-02-08 | 2018-08-14 | 鞍钢股份有限公司 | A kind of spiral bevel gear fast adjustment method |
| CN106838132B (en) * | 2017-03-30 | 2023-05-16 | 成都工业学院 | Flexible anti-loosening gear reducer for construction lifter |
| CN113983147B (en) * | 2021-11-03 | 2024-02-20 | 连城凯克斯科技有限公司 | Self-adaptive speed reducer shaft and nut non-concentric adjusting device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3522600A1 (en) * | 1985-06-25 | 1987-01-08 | Bayerische Motoren Werke Ag | Method for setting the backlash of the bevel gear set of a final drive unit |
| EP1336772B1 (en) * | 2002-02-15 | 2007-12-12 | Ford Global Technologies, LLC | A method for a gear mechanism assembly |
| CN200943692Y (en) * | 2006-08-15 | 2007-09-05 | 宁波东力传动设备股份有限公司 | Bevel gear pair mounting gap regulating mechanism |
| CN201129441Y (en) * | 2007-12-25 | 2008-10-08 | 北泰汽车悬架制造(北京)有限公司 | Regulating mechanism of vehicle main reducing gear assembly |
| CN201776377U (en) * | 2010-09-13 | 2011-03-30 | 洛阳显恒数控机床有限公司 | Regulating mechanism for engagement clearance between gears of box body of numerically-controlled spring coiling machine |
| CN203115054U (en) * | 2012-12-26 | 2013-08-07 | 重庆市望达机械制造有限公司 | Micro automobile rear axle main reducing gear assembly |
| CN204477254U (en) * | 2015-03-10 | 2015-07-15 | 盐城工学院 | A kind of adjustable slit bevel gear reducer based on eccentric structure |
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