CN106837993A - A kind of chain and its directive wheel - Google Patents
A kind of chain and its directive wheel Download PDFInfo
- Publication number
- CN106837993A CN106837993A CN201710128530.8A CN201710128530A CN106837993A CN 106837993 A CN106837993 A CN 106837993A CN 201710128530 A CN201710128530 A CN 201710128530A CN 106837993 A CN106837993 A CN 106837993A
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- China
- Prior art keywords
- bearing
- directive wheel
- bushing
- clutch shaft
- axial
- 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.)
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- 239000010687 lubricating oil Substances 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 25
- 125000006850 spacer group Chemical group 0.000 claims description 33
- 230000004888 barrier function Effects 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 16
- 239000003921 oil Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—Bearings
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
- F16H2007/185—Means for guiding or supporting belts, ropes, or chains the guiding surface in contact with the belt, rope or chain having particular shapes, structures or materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention provides a kind of chain and its directive wheel, directive wheel can be lubricated in the case where not dismantling, improve operating efficiency, reduce labour intensity.Directive wheel of the invention is included with the bearing holder (housing, cover) of its outer ring and chain interoperation, the clutch shaft bearing being oppositely arranged in the bearing holder (housing, cover) and second bearing, and axially penetrate through the locking member of the clutch shaft bearing and the second bearing, the locking member is provided with interconnected radial hole and axial hole, the radial hole is connected with the clutch shaft bearing and the second bearing, the axial hole is provided with installation portion, the filling part for installing lubricating oil.The present invention is capable of achieving lubrication in the case where directive wheel is not dismantled, relative to being lubricated after dismounting directive wheel one by one, labour intensity is reduced, improve operating efficiency, avoid to be lubricated and worn chain for a long time because of directive wheel, be particularly suited for the lubrication oil consumptions such as high temperature environment faster.
Description
Technical field
The present invention relates to art drive systems field, more particularly to a kind of chain and its directive wheel.
Background technology
Being used as machine driving, traction chain, in producing region, chain is all to do ring-type by two gear drivens to transport more
Dynamic, one of gear is driving wheel, and another gear is driven pulley.And in Painting Shop, the ground chain for generally using is passed
Dynamic, the ground chain is different from the chain of producing region, and it is in irregular cyclic motion that it drives whole chain by a driving station.This
When, many bends are there will necessarily be during whole cyclic motion, chain is accomplished by setting directive wheel in corner.Directive wheel will
Realize needing bearing with rotating against for chain, the lubrication of bearing is just into a technical problem urgently to be resolved hurrily.
In the prior art, the working environment residing for directive wheel is usually the baker spent 170 more, and lubricating oil is easy to be baked
It is dry.And when being lubricated to directive wheel in the prior art, it is necessary to wheel dismounting is directed to first, plus is pacified again again after good lubricating oil
Dress, wastes time and energy.
Therefore, a kind of chain of design and its directive wheel are needed badly, to realize the lubrication of directive wheel in the case where not dismantling.
The content of the invention
It is an object of the invention to provide a kind of chain and its directive wheel, directive wheel can be carried out in the case where not dismantling
Lubrication, improves operating efficiency, reduces labour intensity.
To achieve the above object, the invention provides a kind of directive wheel of chain, including with its outer ring and chain interoperation
Bearing holder (housing, cover), the clutch shaft bearing being oppositely arranged in the bearing holder (housing, cover) and second bearing, and axially penetrate through the clutch shaft bearing and
The locking member of the second bearing, the locking member is provided with interconnected radial hole and axial hole, the radial hole with it is described
Clutch shaft bearing is connected with the second bearing, and the axial hole is provided with installation portion, the filling part for installing lubricating oil.
Directive wheel of the invention, sets interconnected radial hole and axial hole on locking member, and axial hole is being easy to peace
The position of dress filling part sets installation portion, realizes the installation of filling part by installation portion so as to operating personnel, and then do not dismantling
Lubricating oil is injected in axial hole in the case of directive wheel；Then, where axial hole extends to clutch shaft bearing and second bearing
Axial location, and then the connection with clutch shaft bearing and second bearing is realized by radial hole, to form what is axially and radially communicated
Oil leab so that lubricating oil via filling part injection axial hole after, flow to vertically to clutch shaft bearing and second bearing phase
Corresponding position, then clutch shaft bearing and second bearing are reached via radial hole, clutch shaft bearing and second bearing are lubricated.
It can be seen that, the present invention passes through the radial hole and axial hole set by locking member, in the case where directive wheel is not dismantled i.e.
It is capable of achieving to clutch shaft bearing in directive wheel and the lubrication of second bearing, and is lubricated after dismounting directive wheel one by one in the prior art
Compare, largely reduce labour intensity, improve operating efficiency, simplify lubricating process；The axial hole of locking member
Installation portion is provided with, filling part directly can be installed on the installation portion, can prevent dust from entering, improve oil filling
Convenience；Especially since not dismantling directive wheel is capable of achieving lubrication, also with regard to without just being tieed up to directive wheel until stopping production
Shield, can in time add lubricating oil, to ensure the reliable fit between chain and directive wheel, it is to avoid because directive wheel is long as needed
Time cannot lubricate and worn chain, improve the use reliability of directive wheel and chain, extend service life, especially fit
For the lubrication oil consumptions such as high temperature environment faster.
Alternatively, also the first bushing including the inner ring located at the clutch shaft bearing, and located at the second bearing
Second bushing of inner ring, the locking member axially penetrates through first bushing and second bushing, the radial hole with it is described
The inner space of the first bushing or second bushing, and by between the axial direction between first bushing and second bushing
Gap is connected with the clutch shaft bearing and the second bearing.
Alternatively, also including spacer, axial barrier is described between the inner ring of the clutch shaft bearing and the second bearing
It is inserted in by the two ends of the spacer respectively the opposite end of the first bushing and second bushing；The spacer is provided with radial direction insertion
Hole, so as to by the axial gap between first bushing and second bushing and the clutch shaft bearing and the second bearing
Connection.
Alternatively, the spacer is provided with the radial direction through hole of the circumferentially-spaced distribution of two or more.
Alternatively, the radial direction through hole is two-by-two one over the ground in the diametrically setting of the spacer.
Alternatively, the outer end of first bushing is provided with the first radially projecting flange, with axial compression in described first
The outer end of bearing；
And/or, the outer end of second bushing is provided with the second radially projecting flange, with axial compression in second axle
The outer end held.
Alternatively, first also including axial barrier between first flange and the outer end of the clutch shaft bearing is dust-proof
Circle；
And/or, also second including axial barrier between second flange and the outer end of the second bearing is dust-proof
Circle.
Alternatively, the bearing holder (housing, cover) is additionally provided with the inner edge portion of radially projecting setting, with axial barrier in the clutch shaft bearing
And the outer ring of the second bearing between.
Alternatively, the axial hole by the locking member middle insertion to the locking member head end, the installation portion
At the head end port of the axial hole.
Alternatively, the head end of the locking member is provided with the external screw thread of predetermined axial length, to be threadedly coupled for axially pressing
The compressing member of the tight clutch shaft bearing and the second bearing.
Present invention also offers a kind of chain, the guiding of corner is carried out by above-mentioned directive wheel.
Alternatively, also including two or more the chain the spaced support wheel of length direction, each support
Wheel is supported in the bottom of the chain, and the directive wheel is coordinated with the outer ring of the bearing holder (housing, cover) with the medial surface of the chain.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the directive wheel provided by the present invention in specific embodiment；
Fig. 2 is the shaft side figure of directive wheel shown in Fig. 1；
Fig. 3 is the dimensional structure diagram of locking member in directive wheel shown in Fig. 2；
Fig. 4 is the shaft side figure of locking member shown in Fig. 3；
Fig. 5 is the dimensional structure diagram of the first bushing in directive wheel shown in Fig. 2；
Fig. 6 is the dimensional structure diagram of spacer in directive wheel shown in Fig. 2；
Fig. 7 is the dimensional structure diagram of directive wheel centre bearer bush shown in Fig. 2.
In Fig. 1-7：
Bearing holder (housing, cover) 1, inner edge portion 11, clutch shaft bearing 2, second bearing 3, locking member 4, radial hole 41, axial hole 42, installation portion
43rd, compressing member 44, filling part 5, the first bushing 6, the first flange 61, sleeve part 62, the second bushing 7, the second flange 71, spacer 8,
Radial direction through hole 81, the first dust ring 9, the second dust ring 10.
Specific embodiment
The invention provides a kind of chain and its directive wheel, directive wheel can be lubricated in the case where not dismantling,
Operating efficiency is improve, labour intensity is reduced.
Below in conjunction with accompanying drawing, the present invention is specifically introduced, so that those skilled in the art's accurate understanding is of the invention
Technical scheme.
Axial direction as herein described, circumference and radial direction, as reference, are circumference with the rotation direction of directive wheel, to lead with directive wheel
It is axial direction to the bearing of trend of the rotary shaft of wheel, is radially with the diameter bearing of trend of directive wheel.
First, second grade word as herein described is only used for the same or similar more than two parts of specification configuration, or
Same or similar more than two structures, do not indicate that the particular determination to order.
Really as stated in the Background Art, chain is in use irregular cyclic motion, is now accomplished by bend
Position sets directive wheel and chain is oriented to.Because such case is relatively conventional in ground chain, therefore enter by taking ground chain as an example herein
Row explanation, but it will be understood by those skilled in the art that ground chain is only a kind of concrete form, chain is used in use
The situation that directive wheel is oriented to is not limited in ground chain, it is also possible to be applied to other fields for needing to be oriented to using directive wheel
Close.
When chain is specially ground chain, directive wheel can be located at the medial surface of chain, it is possible to extend perpendicular to ground, ground
Chain can do cyclic motion in the horizontal plane of directive wheel.
As depicted in figs. 1 and 2, the invention provides a kind of directive wheel of chain, including bearing holder (housing, cover) 1, clutch shaft bearing 2,
Two bearings 3 and locking member 4, wherein, clutch shaft bearing 2 and second bearing are mounted in bearing holder (housing, cover) 1 for 3 set 1, and are oppositely arranged, in axle
The axial two ends of bearing sleeve 1；Locking member 4 axially penetrates through clutch shaft bearing 2 and second bearing 3, for realizing to clutch shaft bearing 2 and second
The axial locking positioning of bearing 3, clutch shaft bearing 2 and second bearing 3 are supported in the axial two ends of locking member 4, and cause locking member 4
Can be relatively rotated between bearing holder (housing, cover) 1；The outer ring of bearing holder (housing, cover) 1 can with chain interoperation, to realize the guiding to chain.
In the present invention, locking member 4 is provided with interconnected radial hole 41 and axial hole 42, radial hole 41 and clutch shaft bearing 2
Connected with second bearing 3；Axial hole 42 is provided with installation portion 43, the filling part 5 for installing lubricating oil, and axial hole 42 is approximately along axle
To extension, one end extends to the position for being easily installed filling part 5, in order to inject lubricating oil, other end edge after installing filling part 5
Axially extend to the position corresponding with clutch shaft bearing 2 and second bearing 3；Then, axial hole 42 is again by radial hole 41 and the
One bearing 2 is connected with second bearing 3, and then lubricating oil is introduced into clutch shaft bearing 2 and second via axial hole 42 and radial hole 41
Bearing 3, the position for needing lubrication to ball of two bearings etc. is lubricated.
Directive wheel of the invention, interconnected radial hole 41 and axial hole 42 is set by locking member 4, and lubricating oil is drawn
Enter clutch shaft bearing 2 and second bearing 3 to be lubricated, without dismounting i.e. be capable of achieving lubrication, be directed in the prior art wheel one by one
It is lubricated after dismounting and is compared, largely improve simple operation, simplify operating procedure, improves operation effect
Rate, largely reduces labour intensity.The installation portion 43 of filling part 5 is provided with due to axial hole 42, can be relatively close
The filling of oil is lubricated in the environment of envelope, prevents from entering dust in filling process.Especially, the present invention realizes directive wheel
Direct lubrication in the case of not dismantling so that those skilled in the art can in time add lubricating oil as needed, without etc.
Carry out intermittent oiling after stopping production, and then ensure that the normal operation of directive wheel, keep forming reliable and stable cooperation with chain,
Chain wear is avoided, is particularly suited for the lubrication oil consumptions such as high temperature environment faster.
As shown in Figure 3 and Figure 4, axial hole 42 can by the centre of locking member 4 axially through the head end to locking member 4,
And it is possible to installation portion 43 is arranged at the head end port of axial hole 42.Now, installation portion 43 is in the head end of axial hole 42
Port, as the head end of locking member 4, filling part 5 is installed in the installation portion 43, substantially will not be with the agent structure of directive wheel
Interfere, be easy to fill the installation and removal of part 5, improve simple operation.
Locking member of the invention 4, head end is extended to by axial hole 42 by centre, real so as to form installation portion 43 in head end
Now fill the installation of part 5, on the one hand, realize that the installation and removal of filling part 5 are more convenient in head end；On the other hand, axial hole
42 centres that can in the axial direction extend to locking member 4, because clutch shaft bearing 2 and second bearing 3 are oppositely arranged, and in lock
Tightly the corresponding position in the two ends of part 4, when axial hole 42 extends to centre, can be effectively delivered into first axle by lubricating oil
2 and second bearing 3 are held, for both lubrications, the effective conveying and distribution to lubricating oil is realized, it is to avoid partial lubrication occur not
In place.
Wherein, it refers to spread one to two ends with the midpoint of the axial direction of locking member 4 for the two ends of axial direction that centre is
The zone line that set a distance is formed.For ease of description, the axial two ends of locking member 4 are respectively defined as head end and end, wherein
One end is the head end of locking member 4, is that for end, the structure of head end is relatively easy, it is not necessary to by the end
Bear or apply axial lock clamp force.
The structure type of locking member 4 is various, and in the present embodiment, locking member 4 is specifically as follows tie down screw, the spiral shell of the screw rod
One end residing for head is referred to as its head end, and the other end is provided with nut, referred to as end.
External screw thread can be provided with the head end of locking member 4, the external screw thread extends certain length in the axial direction, i.e., with predetermined
Axial length；The compressing member 44 coordinated with locking member 4 can be set, specifically the compressing member 44 and external screw thread screw thread can be carried out
Connection, when end precession of the compressing member 44 towards locking member 4, can be realized with axial compression clutch shaft bearing 2 and second bearing 3
The axial locking positioning of clutch shaft bearing 2 and second bearing 3.
The structure type of installation portion 43 is various, can be specifically configured according to the structure type of filling part 5, such as can be
Helicitic texture or bayonet arrangement.In the present embodiment, installation portion 43 specifically could be arranged to be opened in the interior spiral shell of the head end of locking member 4
Line, is drilled vertically by the head end end face of locking member 4, forms a mounting hole, and in the inwall tapping of the mounting hole, forms interior
Helicitic texture, as the installation portion 43, realizes the connection with filling part 5.After the installation of part 5 is filled, the mounting hole is blocked, with
Prevent dust from entering.
As shown in Fig. 2 the present invention can also include the first bushing 6 and the second bushing 7, the first bushing 6 is located at clutch shaft bearing 2
Inner ring, locking member 4 during installation, can axially penetrate through the first bushing 6 and the by the second bushing 7 located at the inner ring of second bearing 3
Two bushings 7, to realize that clutch shaft bearing 2 is connected with the rotation of locking member 4, and second bearing 3 is connected with the rotation of locking member 4；
Meanwhile, the radial hole 41 of locking member 4 can be arranged on the position corresponding with the first bushing 6 or the second bushing 7, to cause radially
The inner space of the bushing 6 of hole 41 and first or the second bushing 7；Due to it there is axial direction between the first bushing 6 and the second bushing 7 between
Gap, the axial gap diametrically extends certain distance, can extend radially outward to clutch shaft bearing 2 and second bearing 3
Connection, then radial hole 41 pass sequentially through the inner chamber of the first bushing 6 or the second bushing 7, between the first bushing 6 and the second bushing 7
Axial gap, realization is connected with clutch shaft bearing 2 and second bearing 3, so as to the lubricating oil of injection in axial hole 42 is delivered into the
One bearing 2 and second bearing 3.
By the setting of the first bushing 6 and the second bushing 7, on the one hand, can realize to clutch shaft bearing 2 and second bearing 3
Inner ring support so that clutch shaft bearing 2 and second bearing 3 can be circumferentially rotated with respect to locking member 4；On the other hand, the first lining
The inner chamber of the bushing 7 of set 6 or second connects with radial hole 41, can not only form the flow channel of lubricating oil, can also be in conveying
The lubrication of itself is realized during lubricating oil.
First bushing 6 and the second bushing 7 can be using the structure types of sleeve.As shown in figure 5, in a kind of set-up mode
In, the first bushing 6 can include being set in the sleeve part 62 outside locking member 4 and the first flange located at the outer end of sleeve part 62
61, first flange 61 is radially provided projectingly by the outer face of sleeve part 62, so that when 4 axial locking of locking member,
So that the axial compression of the first flange 61 is in the outer end of clutch shaft bearing 2, as shown in Figure 2.
Similarly, the second bushing 7 be able to can also be included using the structure type similar with the first bushing 6, i.e. the second bushing 7
The sleeve part being set in outside locking member 4 and the second flange 71 located at sleeve part outer end, the second flange 71 is by sleeve part
Outer face along mechanism to outwardly setting, with axial compression in the outer end of second bearing 3, as shown in Figure 2.
Because clutch shaft bearing 2 and second bearing 3 are oppositely arranged, the first bushing 6 and the second bushing 7 are also oppositely arranged, so that
Coordinate with locking member 4, axial locking clutch shaft bearing 2 and second bearing 3.
It is also possible to the first dust ring 9 and the second dust ring 10 are set, wherein, the first dust ring 9 can be with axle
To barrier between the first flange 61 and the outer end of clutch shaft bearing 2, it is oriented to for preventing dust from being entered by the outer end of clutch shaft bearing 2
In wheel；The axial barrier of second dust ring 10 prevents dust by second bearing between the second flange 71 and the outer end of second bearing 3
3 outer end enters in directive wheel, as shown in Figure 2.
The present invention is also provided with spacer 8, the axial barrier of the spacer 8 clutch shaft bearing 2 and second bearing 3 inner ring it
Between, the opposite end of the first bushing 6 and the second bushing 7 is inserted in spacer 8 by the two ends of spacer 8 respectively.Now, due to the axle of spacer 8
To barrier between the inner ring of clutch shaft bearing 2 and second bearing 3, to provide the axial barrier of clutch shaft bearing 2 and second bearing 3
Power.
In the prior art, if locking member 4 provides larger coupling mechanism force to clutch shaft bearing 2 and second bearing 3, can be caused
One bearing 2 and second bearing 3 are squeezed and influence the rotation of directive wheel；If coupling mechanism force is too small, the outer of directive wheel can be caused
Clutch shaft bearing 2 and second bearing 3 between circle and inner ring produce axial float, when chain movement, directive wheel applying are rubbed
Wiping power can cause outer ring and the inner ring play in the axial direction of directive wheel, and then occur, to squeezing, to cause chain with the support wheel of ground chain
It is stuck.
For above-mentioned technical problem, the present invention is provided with spacer 8 between clutch shaft bearing 2 and second bearing 3, with axial barrier
Between clutch shaft bearing 2 and second bearing 3, and then for two bearings provide a reaction force contended with axial lock clamp force,
So that clutch shaft bearing 2 and second bearing 3 can still keep the reliability for rotating in the case where axial force is born.On the one hand,
It is not smooth that the setting of spacer 8 can avoid clutch shaft bearing 2 and second bearing 3 from being rotated because bearing excessive axial force, prevents because leading
The abrasion of chain is not accelerated freely to wheel rotation；On the other hand, after setting spacer 8, those skilled in the art can be as needed
Increase the axial lock clamp force of locking member 4, it is to avoid the outer ring of directive wheel play in the axial direction, and then improve matching somebody with somebody for directive wheel and chain
Close reliability so that chain is effectively driven, and prevents chain to be stuck.
In the present invention, the outer ring correspondence bearing holder (housing, cover) 1 of directive wheel, inner ring correspondence the first bushing 6 and the second bushing 7.
Outer ring as herein described and inner ring refer to diametrically inside and outside, diametrically away from directive wheel axis circle
It is outer ring to enclose, and diametrically the circle near the axis of directive wheel is inner ring.
Outer end as herein described and the inner refer to inside and outside on axial direction, and in the axial direction, the direction near directive wheel midpoint is
Interior, the direction away from directive wheel midpoint is outer.
At the same time, when spacer 8 is provided with, the axial gap between the first bushing 6 and the second bushing 7 is in spacer 8
Inner chamber in, i.e., be sleeved in its inner chamber for the first bushing 6 and the second bushing 7 by spacer 8, so as to intercept the first bushing 6 and
The axial gap and clutch shaft bearing 2 of two bushings 7 and the connection of second bearing 3.Therefore, spacer of the invention 8 is additionally provided with and radially passes through
Through hole 81, for the axial gap between the first bushing 6 and the second bushing 7 to be connected with clutch shaft bearing 2 and second bearing 3.
As shown in fig. 6, spacer of the invention 8 can be provided with more than two radial direction through holes 81, these radial direction through holes
81 can be in the circumferentially-spaced distribution of spacer 8, so as to lubricating oil to be preferably delivered to the circumference of spacer 8, to cause lubricating oil
Enter clutch shaft bearing 2 and second bearing 3 by circumferentially spaced more than two positions, improve lubricating oil and be evenly distributed in circumferential
Property.
Specifically, even number radial direction through hole 81 can be set so that radial direction through hole 81 is two-by-two one over the ground in spacer 8
Diametrically setting.That is, can be with a diameter of reference of spacer 8, at one of them diametric two ends of spacer 8 point
Not She Zhi a radial direction through hole 81, a radial direction through hole 81 spacer 8 the diametric other end correspondence another footpath
To through hole 81.
When radial direction through hole 81 is diametrically set so that the lubricating oil on same circumference can be by position diametrically
Put outflow and reach clutch shaft bearing 2 and second bearing 3, and then more equably enter in the circumference of clutch shaft bearing 2 and second bearing 3
Row lubrication；Lubricating oil can be delivered at radial direction through hole 81 diametrically with roughly equal speed and roughly equal amount,
So as to improve lubricant effect.
In the embodiment shown in fig. 6, four radial direction through holes 81 are provided with, four radial direction through holes 81 are handed in cross
The position of fork, now, radial direction through hole 81 is uniformly distributed in the circumference of spacer 8, and then lubricating oil is circumferentially uniformly distributed to
Clutch shaft bearing 2 and second bearing 3.
Additionally, each radial direction through hole 81 set by spacer 8 may be on same circumference, it is also possible in different circles
Zhou Shang, to cause that radial direction through hole 81 is distributed on the axial and circumferential of spacer 8, raising lubricating oil is on axial and circumferential
Distributing homogeneity.Especially, when radial direction through hole 81 is on different circumference, radial direction through hole 81 is in different axles
To position, now, closer to clutch shaft bearing 2, a part of radial direction through hole 81 is closer to for a part of radial direction through hole 81
Two bearings 3, in clutch shaft bearing 2 and the rotation process of second bearing 3, lubricating oil is under the influence of centrifugal force via radial direction through hole
During 81 entrance clutch shaft bearing 2 and second bearing 3, can as much as possible to the lubricating oil into clutch shaft bearing 2 and second bearing 3
Amount carries out equilibrium.
As shown in fig. 7, the reliable location to realize clutch shaft bearing 2 and second bearing 3, bearing holder (housing, cover) of the invention 1 can be with
The inner edge portion 11 of radially projecting setting is provided with, specifically by the radially projecting setting of inwall of bearing holder (housing, cover) 1, so as to the inner edge portion 11
Axial barrier between the outer ring of clutch shaft bearing 2 and second bearing 3, in order to pass through inner edge portion 11 pairs in clutch shaft bearing 2 and
The outer ring of two bearings 3 carries out axially position.
Chain provided by the present invention and its directive wheel are described in detail above.Specific case pair used herein
Principle of the invention and implementation method are set forth, and the explanation of above example is only intended to help and understands core of the invention
Thought.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, also
Some improvement and modification can be carried out to the present invention, these are improved and modification also falls into the protection domain of the claims in the present invention
It is interior.
Claims (12)
1. a kind of directive wheel of chain, including with the bearing holder (housing, cover) (1) of its outer ring and chain interoperation, be oppositely arranged on the bearing holder (housing, cover)
(1) clutch shaft bearing (2) and second bearing (3) in, and axially penetrate through the clutch shaft bearing (2) and the second bearing (3)
Locking member (4), it is characterised in that the locking member (4) is provided with interconnected radial hole (41) and axial hole (42), described
Radial hole (41) is connected with the clutch shaft bearing (2) and the second bearing (3), and the axial hole (42) is provided with installation portion
(43), for installing the filling part (5) of lubricating oil.
2. directive wheel as claimed in claim 1, it is characterised in that also including the inner ring located at the clutch shaft bearing (2)
One bushing (6), and the inner ring located at the second bearing (3) the second bushing (7), the locking member (4) axially penetrates through institute
State the first bushing (6) and second bushing (7), the radial hole (41) and first bushing (6) or second bushing
(7) inner space, and by the axial gap and described first between first bushing (6) and second bushing (7)
Bearing (2) is connected with the second bearing (3).
3. directive wheel as claimed in claim 2, it is characterised in that also including spacer (8), axial barrier is in the clutch shaft bearing
(2) and the inner ring of the second bearing (3) between, the opposite end of first bushing (6) and second bushing (7) respectively by
It is inserted at the two ends of the spacer (8)；The spacer (8) is provided with radial direction through hole (81), so as to by first bushing (6) and institute
The axial gap stated between the second bushing (7) is connected with the clutch shaft bearing (2) and the second bearing (3).
4. directive wheel as claimed in claim 3, it is characterised in that the spacer (8) is provided with the circumferentially-spaced distribution of two or more
The radial direction through hole (81).
5. directive wheel as claimed in claim 4, it is characterised in that the radial direction through hole (81) two-by-two one over the ground it is described every
Cover the diametrically setting of (8).
6. directive wheel as claimed in claim 2, it is characterised in that the outer end of first bushing (6) is provided with radially projecting
First flange (61), with axial compression in the outer end of the clutch shaft bearing (2)；
And/or, the outer end of second bushing (7) is provided with radially projecting the second flange (71), with axial compression in described
The outer end of two bearings (3).
7. directive wheel as claimed in claim 6, it is characterised in that also including axial barrier in first flange (61) and institute
State the first dust ring (9) between the outer end of clutch shaft bearing (2)；
And/or, also including axial barrier between the outer end of the second flange (71) with the second bearing (3) second prevents
Konisphere (10).
8. directive wheel as claimed in claim 1, it is characterised in that the bearing holder (housing, cover) (1) is additionally provided with the interior of radially projecting setting
Edge (11), with axial barrier between the outer ring of the clutch shaft bearing (2) and the second bearing (3).
9. the directive wheel as described in claim any one of 1-8, it is characterised in that the axial hole (42) is by the locking member
(4) middle insertion to the locking member (4) head end, head end port of the installation portion (43) located at the axial hole (42)
Place.
10. directive wheel as claimed in claim 9, it is characterised in that the head end of the locking member (4) is provided with predetermined axial length
External screw thread, to be threadedly coupled the compressing member (44) for clutch shaft bearing (2) described in axial compression and the second bearing (3).
11. a kind of chains, it is characterised in that corner is carried out by the directive wheel described in the claims any one of 1-10
It is oriented to.
12. chains as claimed in claim 11, it is characterised in that also including two or more between the length direction of the chain
Every the support wheel for setting, each support wheel is supported in the bottom of the chain, and the directive wheel is with the outer of the bearing holder (housing, cover) (1)
Enclose and coordinate with the medial surface of the chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128530.8A CN106837993A (en) | 2017-03-06 | 2017-03-06 | A kind of chain and its directive wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128530.8A CN106837993A (en) | 2017-03-06 | 2017-03-06 | A kind of chain and its directive wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837993A true CN106837993A (en) | 2017-06-13 |
Family
ID=59137368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710128530.8A Pending CN106837993A (en) | 2017-03-06 | 2017-03-06 | A kind of chain and its directive wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837993A (en) |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170613 |