CN207406740U - Gear drive and with its deceleration device - Google Patents
Gear drive and with its deceleration device Download PDFInfo
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- CN207406740U CN207406740U CN201721390374.4U CN201721390374U CN207406740U CN 207406740 U CN207406740 U CN 207406740U CN 201721390374 U CN201721390374 U CN 201721390374U CN 207406740 U CN207406740 U CN 207406740U
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- pin
- tooth
- gear drive
- internal tooth
- lubrication groove
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Abstract
The utility model provides a kind of gear drive and with its deceleration device.Gear drive includes pin wheel housing, and internal tooth is provided on the inner peripheral surface of pin wheel housing, and internal tooth is multiple, and pin tooth socket is formed between two neighboring internal tooth, and internal tooth is set along the axial direction of pin wheel housing；Lubrication groove, lubrication groove are opened at least one in multiple internal tooths, and the axis of lubrication groove and the axis of internal tooth have angle.Lubrication groove is set on internal tooth, and the mode for by the axis of lubrication groove being arranged to that there is angle with the axis of internal tooth, the axis direction that can so avoid the problem that in entire internal tooth sets the lubrication groove parallel with its axis and reduces the intensity of internal tooth, so that gear drive pin tooth socket during transmission will not deform, the dependable with function of the gear drive is effectively improved.
Description
Technical field
The utility model is related to retarding device technical field, in particular to a kind of gear drive and with it
Deceleration device.
Background technology
In RV gear drives, internal-gear (pin wheel housing) and Cycloidal Wheel (Cycloidal Wheel) engagement, and Cycloidal Wheel phase
Make eccentric rotary for internal-gear.This gear drive is sometimes referred to as eccentric rotary gear drive.
In RV reducer arrangements, the number of teeth of internal-gear is different from the number of teeth of Cycloidal Wheel.Turn if cycloid crop rotation is eccentric
Dynamic type, Cycloidal Wheel are supported on stent.When Cycloidal Wheel and internal-gear engage and make eccentric rotary, corresponding to two gears
The difference of the number of teeth, stent are slowly rotated compared with internal-gear.
In the prior art, internal-gear is made of mostly multiple slots and multiple cylindrical parts, the slot along the circumferential direction shape
Into on the inner peripheral surface of housing, which is inserted into respectively in each slot.To reduce the mill between internal-gear and Cycloidal Wheel
Consumption encloses lubricant into housing.When Cycloidal Wheel and internal-gear relatively rotate, lubricant moves in housing therewith.This
Sample lubricant can spread all on the tooth of all internal-gears of Cycloidal Wheel.But in place of Cycloidal Wheel and internal-gear engagement, cycloid
Gap turn narrow between the tooth top of wheel and the inner peripheral surface of housing, lubricant can be extruded between internal-gear and Cycloidal Wheel.This
The amount that sample stays in the lubricant of housing inner peripheral surface (between the tooth of internal-gear) becomes less.Under normal circumstances, due to RV gears
The gearratio of transmission mechanism is big, and the speed that engaging tooth rotates one week is relatively low.Therefore, cause to housing inner peripheral surface and internal-gear
The speed that lubricant is supplied between tooth is relatively low.
There are following defects for the structure of gear drive of the prior art：
1st, processing is very complicated, it is necessary to process the lubrication groove identical with pin tooth socket number, and complex process, process is easily drawn
The deformation of starting tooth socket and machining period is longer.
2nd, when pin tooth is engaged with Cycloidal Wheel (Cycloidal Wheel), stress is larger, adjacent with pin tooth socket in the internal face of pin wheel housing
Position opens up lubrication slot, necessarily causes the deformation of the pin tooth socket in Meshing Process of Spur Gear, and then reduces the rigidity of complete machine.And RV
The characteristics of transmission gear means are maximum is that the outstanding rigidity of its complete machine, in addition with the deformation of pin tooth socket, Cycloidal Wheel and pin
Occur gap during tooth engagement to become larger, complete machine transmission accuracy is caused to substantially reduce, greatly restrict the reliability of complete machine.
3rd, since pin tooth is arranged in pin wheel housing internal face, after final assembly, there is the position of lubrication hole completely by upper and lower side
The spring bearing in face blocks, the problem of making the lubricating action that it is played relatively low, cause gear drive easy to wear.
Utility model content
The main purpose of the utility model is that providing a kind of gear drive and with its deceleration device, to solve
The problem of pin tooth socket of gear drive is easily deformed in the prior art.
To achieve these goals, one side according to the present utility model provides a kind of gear drive, bag
It includes：Pin wheel housing is provided with internal tooth on the inner peripheral surface of pin wheel housing, and internal tooth is multiple, and pin tooth socket is formed between two neighboring internal tooth, interior
Tooth is set along the axial direction of pin wheel housing；Lubrication groove, lubrication groove are opened at least one in multiple internal tooths, the axis of lubrication groove
The axis of line and internal tooth has angle.
Further, the angle of the axis of the axis and internal tooth of lubrication groove is rectangular.
Further, it is both provided with lubrication groove on the internal tooth wall surface in the close pin wheel housing axle center of multiple internal tooths.
Further, lubrication groove is opened in the middle part of internal tooth wall surface.
Further, lubrication groove is along the depth of the radial direction of pin wheel housing for h1, and pin tooth socket is along pin wheel housing radial direction
Depth is h2, wherein, h1 ＜ h2.
Further, lubrication groove is along the depth of the radial direction of pin wheel housing for h1, and pin tooth socket is along pin wheel housing radial direction
Depth is h2, wherein, as h1 >=h2, the inner peripheral surface of lubrication groove along pin wheel housing on internal tooth wall surface forms the annular groove of connection.
Further, internal tooth wall surface is separated into upper internal tooth wall surface and lower internal tooth wall surface by lubrication groove, and gear drive is also
Including：Upper Cycloidal Wheel, upper Cycloidal Wheel are arranged in pin wheel housing and are meshed with upper internal tooth wall surface；Bottom line wheel, bottom line wheel are set
It is placed in pin wheel housing and is meshed with lower internal tooth wall surface, upper Cycloidal Wheel is connected with bottom line wheel.
Further, the first external tooth is provided on the outer circumferential surface of upper Cycloidal Wheel, is provided on the outer circumferential surface of bottom line wheel
Two external tooths, when the geometric center lines of the radial direction along upper Cycloidal Wheel of the first external tooth extended line and pin tooth socket along pin wheel housing
When the geometric center lines of axial direction are intersecting, the extended line of the geometric center lines of the radial direction along bottom line wheel of the second external tooth
Intersect with lower internal tooth wall surface.
Further, when the extended line of geometric center lines of the radial direction along upper Cycloidal Wheel and pin tooth socket of the first external tooth
The geometric center lines along pin wheel housing axial direction it is intersecting when, the geometric center of the radial direction along bottom line wheel of the second external tooth
The extended line of line intersects with the geometric center lines of the axial direction along pin wheel housing of lower internal tooth wall surface.
Another aspect according to the present utility model provides a kind of deceleration device, including gear drive, gear drive
Mechanism is above-mentioned gear drive.
Using the technical solution of the utility model, lubrication groove is set on internal tooth, and by the axis of lubrication groove be arranged to
The axis of internal tooth has the mode of angle, and the axis direction that can so avoid in entire internal tooth sets parallel with its axis
Lubrication groove and the problem of reduce the intensity of internal tooth so that gear drive pin tooth socket during transmission will not be sent out
Change shape, is effectively improved the dependable with function of the gear drive.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
New schematic description and description does not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the structural representation of the first embodiment of the embodiment of gear drive according to the present utility model
Figure；
Fig. 2 shows enlarged structure schematic diagram at A in Fig. 1；
Fig. 3 shows the structure diagram of the first embodiment of the lubrication groove and pin tooth socket in Fig. 1；
Fig. 4 shows the structural representation of the second embodiment of the embodiment of gear drive according to the present utility model
Figure；
Fig. 5 shows enlarged structure schematic diagram at B in Fig. 4；
Fig. 6 shows the structural representation of the 3rd embodiment of the embodiment of gear drive according to the present utility model
Figure；
Fig. 7 shows enlarged structure schematic diagram at C in Fig. 6；
Fig. 8 shows the structural representation of the fourth embodiment of the embodiment of gear drive according to the present utility model
Figure.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, pin wheel housing；11st, internal tooth；111st, internal tooth wall surface；1111st, upper internal tooth wall surface；1112nd, lower internal tooth wall surface；12nd, pin
Tooth socket；
20th, lubrication groove；31st, upper Cycloidal Wheel；311st, the first external tooth；32nd, bottom line wheel；321st, the second external tooth；
40th, bent axle；50th, pin tooth.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first ", " second " in the description and claims of this application and attached drawing etc.
It is the object for distinguishing similar, without being used to describe specific order or precedence.It should be appreciated that the art so used
Language can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except illustrating herein
Or the order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that spatially relative term is intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make identical device is presented with like reference characters, thus they are retouched by omitting
It states.
With reference to shown in Fig. 1 to Fig. 8, embodiment according to the present utility model provides a kind of gear drive.
Specifically, as shown in Figure 1, the gear drive includes pin wheel housing 10 and lubrication groove 20.The inner circumferential of pin wheel housing 10
It is provided with internal tooth 11 on face, internal tooth 11 is multiple, forms pin tooth socket 12 between two neighboring internal tooth 11, and internal tooth 11 is along pin wheel housing 10
Axial direction set.Lubrication groove 20 is opened at least one in multiple internal tooths 11, axis and the internal tooth 11 of lubrication groove 20
Axis have angle.
In the present embodiment, by setting lubrication groove on internal tooth, and the axis of lubrication groove is arranged to the axis with internal tooth
Line has the mode of angle, the axis direction that can so avoid in entire internal tooth the lubrication groove parallel with its axis be set and
The problem of reducing the intensity of internal tooth, so that gear drive pin tooth socket during transmission will not deform,
It is effectively improved the dependable with function of the gear drive.
Preferably, the axis of lubrication groove 20 and the angle of the axis of internal tooth 11 are rectangular.So setting effectively to subtract
Small lubrication groove occupies the installation space of internal tooth 11, i.e., as shown in Figure 1, the axis direction of lubrication groove is set along the width of internal tooth
It puts.
It, can be in the internal tooth in 10 axle center of close pin wheel housing of multiple internal tooths 11 in order to improve the reliability of gear drive
Lubrication groove 20 is both provided on wall surface 111.
In order to the lubricating oil of as enough as possible raising into pin wheel housing 10 can realize to the gear drive other
Component realizes the lubrication of maximum magnitude, and lubrication groove 20 can be opened in the middle part of internal tooth wall surface 111.
As shown in figure 3, lubrication groove 20 along the depth of the radial direction of pin wheel housing 10 for h1, pin tooth socket 12 is along 10 footpath of pin wheel housing
It is h2 to the depth in direction, wherein, h1 ＜ h2.The rigidity of pin tooth socket 12 can be effectively improved by so setting so that pin tooth socket
12 situations about will not deform during work.
As shown in figure 5, lubrication groove 20 along the depth of the radial direction of pin wheel housing 10 for h1, pin tooth socket 12 is along 10 footpath of pin wheel housing
It is h2 to the depth in direction, wherein, as h1 >=h2, inner peripheral surface shape of the lubrication groove 20 along pin wheel housing 10 on internal tooth wall surface 111
Into the annular groove of connection.So setting enables to the lubricating oil being located inside pin wheel housing 10 can be along annular groove continually
To 10 inner wall of pin wheel housing provide lubricating oil, avoid the occurrence of lubricating oil cannot smoothly supply cause inner body occur dry friction with
The problem of causing damage.
As shown in Fig. 3, Fig. 5 to 8, internal tooth wall surface 111 is separated into upper internal tooth wall surface 1111 and lower internal tooth wall by lubrication groove 20
Face 1112.Gear drive further includes Cycloidal Wheel 31 and bottom line wheel 32.Upper Cycloidal Wheel 31 is arranged in pin wheel housing 10 simultaneously
It is meshed with upper internal tooth wall surface 1111.Bottom line wheel 32 is arranged in pin wheel housing 10 and is meshed with lower internal tooth wall surface 1112, on
Cycloidal Wheel 31 is connected with bottom line wheel 32.Cycloidal Wheel 31 can be effectively improved by so setting obtains with bottom line wheel 32
The amount of lubricating oil efficiently avoids Cycloidal Wheel 31 and the situation of dry friction occurs with bottom line wheel 32.
Wherein, the first external tooth 311 is provided on the outer circumferential surface of upper Cycloidal Wheel 31, is provided on the outer circumferential surface of bottom line wheel 32
Second external tooth 321, when the extended line of the geometric center lines of the radial direction along upper Cycloidal Wheel 31 of the first external tooth 311 and pin tooth socket
When 12 geometric center lines along 10 axial direction of pin wheel housing are intersecting, the radial direction along bottom line wheel 32 of the second external tooth 321
The extended lines of geometric center lines intersect with lower internal tooth wall surface 1112.The gear drive machine can be effectively improved by so setting
The reliability and stability of structure.
Further, when the first external tooth 311 the radial direction along upper Cycloidal Wheel 31 geometric center lines extended line with
When the geometric center lines along 10 axial direction of pin wheel housing of pin tooth socket 12 are intersecting, the footpath along bottom line wheel 32 of the second external tooth 321
To the geometric center lines of the extended line and the axial direction along pin wheel housing 10 of lower internal tooth wall surface 1112 of the geometric center lines in direction
It is intersecting.It so sets so that being located at the top of the first external tooth 311 of upper Cycloidal Wheel 31 just with being arranged in bottom line wheel 32
The top of second external tooth 321 is staggered, and further increases the dependable with function of the gear drive.
Gear drive in above-described embodiment can be also used for retarding device technical field, i.e., according to the utility model
Another aspect, provide a kind of deceleration device.Deceleration device includes gear drive, and gear drive is above-mentioned implementation
Gear drive in example.The gear drive includes pin wheel housing 10 and lubrication groove 20.It is set on the inner peripheral surface of pin wheel housing 10
Internal tooth 11 is equipped with, internal tooth 11 is multiple, and pin tooth socket 12, axial direction of the internal tooth 11 along pin wheel housing 10 are formed between two neighboring internal tooth 11
Direction is set.Lubrication groove 20 is opened at least one in multiple internal tooths 11, the axis of lubrication groove 20 and the axis of internal tooth 11
With angle.
In the present embodiment, by setting lubrication groove on internal tooth, and the axis of lubrication groove is arranged to the axis with internal tooth
Line has the mode of angle, the axis direction that can so avoid in entire internal tooth the lubrication groove parallel with its axis be set and
The problem of reducing the intensity of internal tooth, so that gear drive pin tooth socket during transmission will not deform,
It is effectively improved the dependable with function of the gear drive.Wherein, which can be that RV gears pass
Motivation structure.
Specifically, using the technical solution of the application, efficiently solve the current RV gear drives service life generally compared with
The problem of low, can greatly ensure the reliability of complete machine, ensure that the rigidity and transmission accuracy of complete machine.
In RV gear drives, since the inner peripheral surface in housing is provided with the profit perpendicular to housing (pin wheel housing) axis
Sliding slot since the position of lubrication groove is exactly among two Cycloidal Wheels (Cycloidal Wheel), nor affects on RV gear drives
Complete machine rigidity.And while pin tooth socket deformation among pin wheel housing is not influenced, effectively improve Cycloidal Wheel and internal-gear
The lubrication of pin tooth 50 in (pin wheel housing), can greatly improve the service life of RV gear drives.
Lubrication groove is set, effectively meshing gear in RV transmission devices can be lubricated, improves abrasion condition, is improved
Whole aircraft reliability and service life.The cycloid plane that two move mutually can also be moistened while mating-gear tooth profile face is lubricated
It is sliding, further improve the greasy property of complete machine.Will not complete machine rigidity and complete machine transmission accuracy be influenced due to the setting of lubrication groove.It adopts
Simple for process with the gear drive of the structure, easy to process, processing efficiency is higher, and processing cost is low.
RV gear drives include pin wheel housing, pin tooth, Cycloidal Wheel (upper Cycloidal Wheel, bottom line wheel).One RV gear passes
There are upper Cycloidal Wheel, bottom line wheel, bent axle 40 in motivation structure.There are 2 to 3 bent axles in usual gear drive.
Pin wheel housing primary structure include bearing block, the internal tooth of pin wheel housing, be opened in weekend in pin wheel housing pin tooth socket and
The lubrication groove being arranged on internal tooth wall surface.Bearing block is arranged symmetrically on the both sides up and down of pin wheel housing, to install spring bearing.
Pin tooth socket is uniformly distributed in pin wheel housing, and quantity is more, its usual quantity differed with the number of teeth of cycloid gear 1 to
2 teeth,
After the completion of RV gear drives assembling, among two spring bearings, there is upper and lower two panels Cycloidal Wheel (upper cycloid
Wheel, bottom line wheel), and the overall thickness of two Cycloidal Wheels is less than the distance between two spring bearing of pin wheel housing.
The RV gear drives drive Cycloidal Wheel to be rotated by the rotation of bent axle, while Cycloidal Wheel is with being mounted on pin
Pin tooth in the pin tooth socket of tooth shell carries out gear engaged transmission by few teeth difference principle, so as to reach the effect of complete machine deceleration transmission
Fruit.
In the RV gear drives, each pin tooth socket only has half of hole as pin tooth installation position and each pin tooth socket
Size is identical.The internal tooth wall surface of pin wheel housing divides upper and lower surfaces, and internal tooth wall surface is same circular diameter wall surface；Pin wheel housing internal tooth wall surface
Circular diameter be more than the circular diameter of its hole center of all pin tooth sockets composition, so as to when whole pin teeth are packed into corresponding pin tooth socket and should
When component is engaged with Cycloidal Wheel, it can guarantee that simply pin tooth is meshed with Cycloidal Wheel.
Usually ensure the rigidity of each pin tooth socket, often the circular diameter of the internal tooth wall surface of pin wheel housing is only slightly larger than all
The circular diameter (difference about 10 to 20) of its hole center of pin tooth socket composition, i.e., when pin tooth is meshed with Cycloidal Wheel, the tooth of Cycloidal Wheel
Gap very little between top and the internal tooth wall surface of pin wheel housing.
After RV gear drives assembling is completed, the flank profil position of upper Cycloidal Wheel corresponds to the inner wall of pin wheel housing
Face, the flank profil position of bottom line wheel correspond to the internal face of pin wheel housing.
In complete machine after the completion of assembling, the pin tooth in each pin tooth socket is same root, and axial length is from pin wheel housing
The top of upper internal tooth wall surface to the bottom of pin wheel housing internal face.
In complete machine operational process, upper Cycloidal Wheel is engaged with the top half of pin tooth, bottom line wheel and the latter half of pin tooth
Engagement.
In the internal face center of pin wheel housing in axial direction, lubrication groove is set, and lubricating grease can be facilitated by so setting
Retention.Lubrication groove is disposably machined using milling cutter, simple for process.
Lubrication groove position due to be between two Cycloidal Wheels, so while pin tooth is lubricated still to two cycloids it
Between be lubricated, can prevent that dry friction occurs between Cycloidal Wheel.
Lubrication groove is arranged perpendicular to pin wheel housing axis simultaneously, does not influence Cycloidal Wheel, bottom line wheel engages spy with pin tooth
Property, and since lubrication groove is designed beside pin tooth socket in engagement process, so not influencing the pin tooth socket on pin wheel housing
Rigidity, pin tooth socket are unlikely to deform, and then complete machine precision, and complete machine rigidity will not decline, and whole aircraft reliability is also ensured.
When lubricant effect is not good enough, the lubrication groove of the scheme can further improve lubrication by changing depth.Profit
It, can be by the lubrication communication of all pin tooth sockets so that lubricant medium is replenished in time, and can guarantee this after the depth down of sliding slot
Lubrication of the geared system in entire life cycle.In addition, the shape of the lubrication groove is also not limited to current semicircular in shape,
Other facilitate processing and can reach the shape of said effect can be as the alternate embodiment of this programme.
Than that described above, it is also necessary to which explanation is " one embodiment ", " another implementation spoken of in the present specification
Example ", " embodiment " etc. refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary
Property description at least one embodiment in.It is not centainly to refer to same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature also fall in the scope of the utility model.
In the above-described embodiments, all emphasize particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of gear drive, which is characterized in that including：
Pin wheel housing (10), is provided with internal tooth (11) on the inner peripheral surface of the pin wheel housing (10), the internal tooth (11) be it is multiple, it is adjacent
Pin tooth socket (12) is formed between two internal tooths (11), the internal tooth (11) sets along the axial direction of the pin wheel housing (10)
It puts；
Lubrication groove (20), the lubrication groove (20) are opened at least one in multiple internal tooths (11), the lubrication groove
(20) axis of axis and the internal tooth (11) has angle.
2. gear drive according to claim 1, which is characterized in that the axis of the lubrication groove (20) with it is described interior
The angle of the axis of tooth (11) is rectangular.
3. gear drive according to claim 1, which is characterized in that the close pin of multiple internal tooths (11)
The lubrication groove (20) is both provided on the internal tooth wall surface (111) in tooth shell (10) axle center.
4. gear drive according to claim 3, which is characterized in that the lubrication groove (20) is opened in described
The middle part of tooth wall surface (111).
5. gear drive according to claim 3, which is characterized in that the lubrication groove (20) is along the pin wheel housing
(10) depth of radial direction is h1, and the pin tooth socket (12) is h2 along the depth of the pin wheel housing (10) radial direction,
In, h1 ＜ h2.
6. gear drive according to claim 3, which is characterized in that the lubrication groove (20) is along the pin wheel housing
(10) depth of radial direction is h1, and the pin tooth socket (12) is h2 along the depth of the pin wheel housing (10) radial direction,
In, as h1 >=h2, the lubrication groove (20) on the internal tooth wall surface (111) is formed along the inner peripheral surface of the pin wheel housing (10)
The annular groove of connection.
7. gear drive according to claim 3, which is characterized in that the lubrication groove (20) is by the internal tooth wall surface
(111) internal tooth wall surface (1111) and lower internal tooth wall surface (1112) are separated into, the gear drive further includes：
Upper Cycloidal Wheel (31), the upper Cycloidal Wheel (31) be arranged in the pin wheel housing (10) and with the upper internal tooth wall surface
(1111) it is meshed；
Bottom line wheel (32), the bottom line wheel (32) be arranged in the pin wheel housing (10) and with the lower internal tooth wall surface
(1112) it is meshed, the upper Cycloidal Wheel (31) is connected with the bottom line wheel (32).
8. gear drive according to claim 7, which is characterized in that set on the outer circumferential surface of the upper Cycloidal Wheel (31)
The first external tooth (311) is equipped with, the second external tooth (321) is provided on the outer circumferential surface of the bottom line wheel (32), outside described first
The extended line of the geometric center lines of the radial direction along the upper Cycloidal Wheel (31) of tooth (311) and the edge of the pin tooth socket (12)
When the geometric center lines of pin wheel housing (10) axial direction are intersecting, second external tooth (321) along the bottom line wheel
(32) extended line of the geometric center lines of radial direction intersects with the lower internal tooth wall surface (1112).
9. gear drive according to claim 8, which is characterized in that when first external tooth (311) is along described
The extended line of the geometric center lines of the radial direction of upper Cycloidal Wheel (31) and the pin tooth socket (12) along the pin wheel housing (10)
When the geometric center lines of axial direction are intersecting, the radial direction along the bottom line wheel (32) of second external tooth (321)
In the geometry of the extended line of geometric center lines and the axial direction along the pin wheel housing (10) of the lower internal tooth wall surface (1112)
Heart line intersects.
10. a kind of deceleration device, including gear drive, which is characterized in that the gear drive for claim 1 to
Gear drive any one of 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390374.4U CN207406740U (en) | 2017-10-25 | 2017-10-25 | Gear drive and with its deceleration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390374.4U CN207406740U (en) | 2017-10-25 | 2017-10-25 | Gear drive and with its deceleration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406740U true CN207406740U (en) | 2018-05-25 |
Family
ID=62407790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721390374.4U Active CN207406740U (en) | 2017-10-25 | 2017-10-25 | Gear drive and with its deceleration device |
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| Country | Link |
|---|---|
| CN (1) | CN207406740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654611A (en) * | 2017-10-25 | 2018-02-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Gear drive and there is its deceleration device |
-
2017
- 2017-10-25 CN CN201721390374.4U patent/CN207406740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654611A (en) * | 2017-10-25 | 2018-02-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Gear drive and there is its deceleration device |
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