CN108895093B - Cross slip ring, cross slide block coupling and harmonic reducer - Google Patents
Cross slip ring, cross slide block coupling and harmonic reducer Download PDFInfo
- Publication number
- CN108895093B CN108895093B CN201811116980.6A CN201811116980A CN108895093B CN 108895093 B CN108895093 B CN 108895093B CN 201811116980 A CN201811116980 A CN 201811116980A CN 108895093 B CN108895093 B CN 108895093B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- roller
- mounting position
- sliding
- ring
- 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.)
- Active
Links
Images
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/36—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected in which each pivot between the coupling parts and the intermediate member comprises a single ball
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides an Oldham ring, an Oldham coupling and a harmonic reducer. The first end face and the second end face of the cross slip ring are respectively provided with a first sliding block and a second sliding block, a first installation position is arranged on the first sliding block, a first roller set is arranged in the first installation position, the first roller set comprises a plurality of first rollers arranged along a first moving direction and/or a second installation position is arranged on the second sliding block, a second roller set is arranged in the second installation position, and the second roller set comprises a plurality of second rollers arranged along a second moving direction. The first sliding block is in rolling friction fit with the first groove surface of the first sliding groove of the input part, the second sliding block is in rolling friction fit with the second groove surface of the second sliding groove of the output part, the rolling friction fit is adopted to replace the original sliding friction fit, the abrasion degree is reduced, and the service lives of the crosshead shoe coupler and the harmonic reducer are prolonged.
Description
Technical Field
The invention relates to the technical field of couplings, in particular to a cross slip ring, a cross slide coupling and a harmonic reducer.
Background
At present, the crosshead shoe coupling is widely used in various occasions such as general machinery, hydraulic machinery, engineering machinery, metallurgical machinery, mining machinery, chemical machinery and the like. The Oldham coupling is generally applied to a common motor, and has a large use amount due to simple structure, convenient installation and easy maintenance.
The existing Oldham coupling comprises two half-couplings and an Oldham ring arranged between the two half-couplings, wherein a sliding groove is formed in one side of each of the two half-couplings, which faces the Oldham ring, sliding blocks are arranged on two opposite sides of the Oldham ring, the sliding blocks on two sides of the Oldham ring are respectively in sliding fit with the sliding grooves of the half-couplings on the corresponding sides, and the sliding blocks on two sides of the Oldham ring are perpendicular to each other in the sliding fit direction of the two sliding blocks on two sides.
The existing Oldham coupling has the problems that the sliding fit between the sliding block and the groove surface of the sliding groove is difficult to lubricate in the coupling, the abrasion is generated between the surface of the sliding block and the groove surface of the sliding groove due to continuous friction, and the service life of the Oldham coupling is shortened.
Disclosure of Invention
A first object of the present invention is to provide a oldham ring having an extended service life using a rolling friction fit.
A second object of the present invention is to provide an oldham coupling that uses a rolling friction fit to extend its useful life.
A third object of the present invention is to provide a harmonic reducer that is effective in prolonging the service life.
The first purpose of the invention is to provide a cross slip ring, two axial ends of which are respectively provided with a first end surface and a second end surface, wherein the first end surface is provided with a first sliding block, and the second end surface is provided with a second sliding block; the first sliding block moves along a first moving direction relative to the input piece, the second sliding block moves along a second moving direction relative to the output piece, the first moving direction is perpendicular to the second moving direction, and the first moving direction and the second moving direction are both perpendicular to the axial direction of the cross slip ring; the first sliding block is provided with a first mounting position, a first roller group is arranged in the first mounting position, the first roller group comprises a plurality of first rollers arranged along a first moving direction, and at least one part of each first roller is positioned outside the first mounting position; and/or a second mounting position is arranged on the second sliding block, a second roller group is arranged in the second mounting position, the second roller group comprises a plurality of second rollers arranged along the second moving direction, and at least one part of each second roller is positioned outside the second mounting position.
According to the scheme, the cross sliding ring is used for forming the cross sliding block coupler with the input part and the output part, the first roller in the first sliding block is in rolling friction fit with the first sliding groove of the input part, the second roller in the second sliding block is in rolling friction fit with the second sliding groove of the output part, and when the cross sliding block coupler conducts aligning motion, the original sliding friction fit between the parts is replaced by the rolling friction fit, so that the wear degree is reduced, and the service life is prolonged.
The first mounting position is arranged on a first side surface of the first sliding block, and the direction of the first side surface is perpendicular to the axial direction of the cross slip ring.
Therefore, when the rotating shaft of the Oldham coupling is horizontally arranged, the friction force between the matching surfaces which are vertical to the axial direction is larger, and the sliding fit between the matching surfaces is replaced by the rolling fit, so that the abrasion degree can be effectively reduced.
The first slider is provided with two first side surfaces which are oppositely arranged, and each first side surface is provided with a first installation position.
It is from top to bottom visible, all set up first roller on two relative sides of slider, all have rolling friction fit between the lateral wall of slider and spout both sides, and the cooperation state between slider and the spout is more reasonable, and relative displacement is more smooth.
The first mounting position is arranged on a first top surface of the first sliding block, and the orientation of the first top surface is parallel to the axial direction of the cross slip ring.
Therefore, when the rotating shaft of the Oldham coupling is vertically arranged, the sliding block and the inner wall of the sliding groove generate relative acting force parallel to the axial direction, and the roller group is arranged on the first top surface parallel to the axial direction, so that the abrasion degree can be effectively reduced.
The first mounting position comprises a plurality of first roller grooves which are arranged along a straight line, and the first roller grooves are provided with first arc surfaces; one first roller is disposed in each first roller slot.
Therefore, the roller groove is matched with the outer contour of the roller, and the roller rolls more smoothly.
In a further development, a first roller cage is provided in the first mounting position, on which first roller cage a plurality of first rollers are rotatably mounted.
From the above, the arrangement of the roller retainer enables the roller set to be more stably installed.
The further scheme is that two first sliding blocks which are symmetrically arranged along the circumferential direction of the cross sliding ring are arranged on the first end surface.
From the above, two sliders that the symmetry set up make the holistic mechanical state of Oldham coupling more stable.
Further, the first moving direction is a radial direction of the oldham ring.
Therefore, the two sliding blocks are symmetrically arranged in the circumferential direction of the rotating shaft and extend along the radial direction, so that the overall mechanical state of the Oldham coupling is more stable.
In a further aspect, the second mounting location is disposed on a second side of the second slider, and the second side faces perpendicular to the axial direction of the oldham ring.
The second slider is provided with two second side surfaces which are oppositely arranged, and each second side surface is provided with a second mounting position.
The second mounting position is arranged on a second top surface of the second sliding block, and the orientation of the second top surface is parallel to the axial direction of the cross slip ring.
The second mounting position comprises a plurality of second roller grooves which are arranged along a straight line, and the second roller grooves are provided with second arc surfaces; one second roller is disposed in each second roller groove.
In a further embodiment, a second roller cage is arranged in the second mounting position, on which second roller cage a plurality of second rollers are rotatably mounted.
The second end face is provided with two second sliding blocks which are symmetrically arranged along the circumferential direction of the cross sliding ring.
Further, the second moving direction is a radial direction of the oldham ring.
The invention provides an Oldham coupling, which comprises an input part, an Oldham ring and an output part which are sequentially connected along the axial direction; the input part is provided with a first sliding groove facing the cross sliding ring, the output part is provided with a second sliding groove facing the cross sliding ring, and the extending direction of the first sliding groove is vertical to the extending direction of the second sliding groove; the cross slip ring is the cross slip ring; the first sliding block is positioned in the first sliding groove, and the first roller is in rolling fit with the first groove surface of the first sliding groove along the first moving direction; the second sliding block is positioned in the second sliding groove, and the second roller is in rolling fit with the second groove surface of the second sliding groove along the second moving direction.
According to the scheme, the first rollers in the first sliding blocks of the cross sliding ring are in rolling friction fit with the first sliding grooves of the input pieces, the second rollers in the second sliding blocks are in rolling friction fit with the second sliding grooves of the output pieces, and when the cross sliding block coupling performs aligning motion, the rolling friction fit is adopted to replace the original sliding friction fit, so that the abrasion degree is reduced, and the service life is prolonged.
The input part comprises a shaft body and a circular ring part arranged on the circumferential direction of the shaft body, and a first sliding groove is arranged on the circular ring part; the cross slip ring is provided with a first through hole; the output member includes a cam having a second through hole; the shaft body sequentially passes through the first through hole and the second through hole.
From the above, this kind of crosshead shoe shaft coupling is applicable to and constitutes among the harmonic speed reducer ware.
The harmonic reducer provided by the third object of the invention comprises a flexible gear, a rigid gear and a wave generator, wherein the wave generator comprises a flexible bearing and a coupler, the flexible bearing is sleeved outside the coupler, the flexible gear is sleeved outside the flexible bearing, a first gear set is arranged on the outer peripheral surface of the flexible gear, a second gear set is arranged on the inner peripheral wall of the rigid gear, and the first gear set is meshed with the second gear set; the coupler adopts the cross slide block coupler, and the flexible bearing is sleeved on the cam.
According to the scheme, the cam of the output part of the Oldham coupling is connected to the flexible bearing to form the wave generator, the first roller in the first sliding block of the Oldham ring is in rolling friction fit with the first sliding groove of the input part, the second roller in the second sliding block is in rolling friction fit with the second sliding groove of the output part, and when the Oldham coupling performs aligning motion, the rolling friction fit is adopted to replace the original sliding friction fit, so that the wear degree is reduced, and the service lives of the Oldham coupling and the harmonic reducer are prolonged.
Drawings
Fig. 1 is a structural view of a first embodiment of the oldham ring of the present invention.
Fig. 2 is a schematic structural diagram of a first view angle of the oldham ring according to the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the oldham ring according to the second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a first sliding block in the first embodiment of the oldham ring of the present invention.
Fig. 5 is a structural view of a oldham coupling in accordance with a first embodiment of the present invention.
Fig. 6 is an exploded view of the oldham coupling in accordance with the first embodiment of the present invention.
Fig. 7 is a schematic structural view of the oldham coupling in accordance with the first embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a first sliding block in a second embodiment of the oldham ring according to the present invention.
Fig. 9 is a schematic structural diagram of a first sliding block in a third embodiment of the oldham ring according to the present invention.
Fig. 10 is a schematic structural view of an oldham coupling in accordance with a second embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a first slide block in a fourth embodiment of the oldham ring according to the present invention.
Fig. 12 is a schematic structural view of an oldham coupling in accordance with a third embodiment of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
First embodiment of the Oldham ring
Referring to fig. 1 to 3, fig. 1 is a structural diagram of a first embodiment of the oldham ring of the present invention, fig. 2 is a structural diagram of the first embodiment of the oldham ring of the present invention from a first perspective, and fig. 3 is a structural diagram of the first embodiment of the oldham ring of the present invention from a second perspective. The oldham ring 1 is a component in an oldham ring coupling, a first through hole 12 penetrating through the axial direction is arranged in the middle of a ring body 10 of the oldham ring 1, and a first end surface 101 and a second end surface 102 are respectively arranged at two ends of the ring body 10 in the axial direction. At the circumferential position of the first through hole 12, two first sliders 13 are symmetrically arranged on the first end surface 101, two second sliders 19 are symmetrically arranged on the second end surface 102, and the protruding direction of the first slider 13 on the first end surface 101 is opposite to the protruding direction of the second slider 19 on the second end surface 102.
Referring to fig. 4, fig. 4 is a structural diagram of the first slider 13 in this embodiment. Since the oldham ring 1 is used for forming an oldham coupling with the input member and the output member, the first slide block 13 is used for matching with the input member, the second slide block 19 is used for matching with the output member, and the first slide block 13 can move along a first moving direction relative to the input member, namely the X-axis direction in fig. 2; the second slide 19 is movable relative to the output member in a second direction of movement, i.e. in the direction of the Y-axis in fig. 2.
The first slider 13 has two first side surfaces 131 symmetrically arranged on two sides, the orientation of the first side surfaces 131 is perpendicular to the penetrating direction of the first through hole 12, the first slider 13 is provided with a first mounting position 133 on the first side surfaces 131, the first mounting position 133 includes three first roller grooves 134 arranged along the first moving direction, and each first roller groove 134 has a first arc surface 135. The oldham ring 1 further comprises a first roller set 14, the first roller set 14 comprises a plurality of first rollers 141, the first roller set 14 is disposed in the first mounting position 133, each roller 141 is disposed in one first roller groove 134, the peripheral surface of each roller 141 is in surface contact fit with the first arc surface 135, at least a part of each first roller 141 is located outside the first mounting position 133, and a group of first roller sets 14 is disposed in each of the two first mounting positions 133 located at both sides of the first slider 13.
Similarly, the oldham ring 1 further includes a second roller group 18, two second side surfaces perpendicular to the penetrating direction of the first through hole 12 are arranged on the second slider 19, the two second side surfaces are symmetrically arranged on two symmetrical sides of the second slider 19, a second mounting position is arranged on each of the two second side surfaces, the second mounting positions 133 are identical in structure, each second mounting position includes a plurality of second roller grooves arranged along the second moving direction, each second roller groove has a second arc surface, a plurality of second rollers 181 in the second roller group 18 are all arranged in each second roller groove, and at least a portion of each second roller 181 is located outside each second mounting position.
Referring to fig. 5 and 6, fig. 5 is a structural view of a first embodiment of the oldham coupling of the present invention, and fig. 6 is an exploded structural view of the first embodiment of the oldham coupling of the present invention. The invention provides an Oldham coupling which is applied to a harmonic reducer and comprises an input part 2, an Oldham ring 1 and an output part 3, wherein the Oldham ring 1 is the Oldham ring. The input member 2 includes axis body 22 and sets up the ring portion 21 in axis body 22 circumference, has two first spouts 23 along the symmetrical setting of circumference of axis body 22 on the ring portion 21, and first spout 23 is along the radial extension of axis body 22, and in the axial of axis body 22, first spout 23 runs through ring portion 21, and first spout 23 has first grooved surface, and first grooved surface is including two relative first side portions 231 that set up, the axial of the orientation perpendicular to axis body 22 of first side portion 231.
The output member 3 is a cam, the middle part of the output member 3 is provided with a second through hole 31 penetrating through two axial ends of the output member 3, the output member 3 is provided with two second sliding grooves 32 on the end surface of one axial end of the second through hole 31, the two second sliding grooves 32 are symmetrically arranged in the circumferential direction of the second through hole 31, and the second sliding grooves 32 extend along the radial direction of the second through hole 31. The second sliding chute 32 has a second chute surface, the second chute surface includes two second side portions 321 and a second top portion 322, the two second side portions 321 and the second top portion 322 are disposed opposite to each other, the orientation of the second side portion 321 is perpendicular to the penetrating direction of the second through hole 31, the two second side portions 321 are symmetrically disposed on two sides of the second sliding chute 32, the second top portion 322 is connected between the two second side portions 321, and the orientation of the second top portion 322 is parallel to the penetrating direction of the second through hole 31.
Referring to fig. 3 and 7, fig. 7 is a schematic structural view of the oldham coupling according to the first embodiment of the present invention. The input member 2, the oldham ring 1 and the output member 3 are sequentially connected along the axial direction, the shaft body 22 sequentially passes through the first through hole 12 of the oldham ring 1 and the second through hole 31 of the output member 3, the first end surface 101 of the oldham ring 1 faces the input member 2, the first slider 13 is positioned in the first sliding groove 23 of the input member 2, and the first roller 141 and the first side surface 231 are in rolling fit along the first moving direction; the second end face 102 of the oldham ring 1 faces the output member 3, the second slide block 19 is located in the second slide groove 32 of the output member 3, and the second roller 181 on the second slide block 19 is in rolling fit with the second side face 321 in the second moving direction. The input member 2 is connected with the rotation driving device, when the shaft body 22 of the input member 2 is horizontally arranged, under the influence of gravity, the friction force between the first sliding block 13 and the first side surface portion 231 and between the second sliding block 19 and the second side surface portion 321 is increased, the first roller 141 is arranged between the first sliding block 13 and the first side surface portion 231 and the second roller 181 is arranged between the second sliding block 19 and the second side surface portion 321, the original sliding friction fit is replaced by the rolling friction fit, the abrasion degree of the fit part is effectively reduced, the service life is prolonged, and the relative movement between the input member 2 and the cross slip ring 1 and between the cross slip ring 1 and the output member 3 is smoother.
Second embodiment of the Oldham ring
Referring to fig. 8, fig. 8 is a schematic structural diagram of a first sliding block in a second embodiment of the oldham ring of the present invention. Taking the first slider 13 as an example, the first roller retainer 15 is disposed in the first mounting position 131 of the first slider 13, the first retainer 15 has a plurality of first retaining positions 151 arranged along a straight line, each of the first retaining positions 151 has first circular arc wall surfaces 152 on both sides, the first roller 141 is fixed in the first retaining position 151, the two first circular arc wall surfaces 152 on both sides are in contact fit with the outer peripheral surface of the first roller 141, and the first roller 141 has a rotational degree of freedom.
Similarly, a second roller retainer is arranged in a second mounting position of the second sliding block, a plurality of second retaining positions which are arranged along a straight line are arranged on the second retainer, second arc wall surfaces are arranged on two sides of each second retaining position, the second rollers are fixed in the second retaining positions, the two second arc wall surfaces on the two sides are in contact fit with the outer peripheral surfaces of the second rollers, and the second rollers have rotational freedom.
Third embodiment of the Oldham ring
Referring to fig. 9 and 10, fig. 9 is a schematic structural view of a first slide block in a third embodiment of the oldham ring of the present invention, and fig. 10 is a schematic structural view of a oldham ring coupling of the present invention in a second embodiment. The first slider 13 is connected with a first top surface 132 between the two first side surfaces 131, the first top surface 132 is perpendicular to the first side surfaces 131, only the first top surface 132 of the first slider 13 is provided with a first mounting position 136, the first mounting position 136 is provided with a first roller set 14, and the first roller set 14 comprises a plurality of first rollers 14 linearly arranged along the first moving direction. The first groove surface of the first slide groove 23 of the input member 2 includes a first top surface portion 232 connected between the two first side surface portions 231, and the first top surface portion 232 is oriented in the same axial direction as the input member 2. The first roller 141 of the first slider 13 is in rolling engagement with the first top surface portion 232.
Similarly, a second top surface is connected between the two second side surfaces on the second slider 19, the second top surface is perpendicular to the second side surfaces, and a second mounting position is only arranged on the second top surface on the second slider 19, a second roller set is arranged in the second mounting position, and the second roller set includes a plurality of second rollers 181 linearly arranged along the second moving direction. The second roller 181 of the second slider 19 is in rolling engagement with the second top surface portion 322 of the output member 3.
Fourth embodiment of the Oldham ring
Referring to fig. 11 and 12, fig. 11 is a schematic structural view of a first slide block in a fourth embodiment of the oldham ring of the present invention, and fig. 12 is a schematic structural view of a oldham coupling of the present invention in a third embodiment. The first side surfaces 131 of the first sliding block 13 are provided with first mounting positions 133, the first top surface 132 is provided with first mounting positions 136, the first mounting positions 133 and the first mounting positions 136 are provided with first roller sets 14, and a plurality of first rollers 141 in each first roller set 14 are linearly arranged along the first moving direction.
Similarly, the second slider 19 is provided with second mounting locations on both second side surfaces and on a second top surface, each second mounting location is provided with a second roller set, and a plurality of second rollers 181 in each second roller set are linearly arranged along the second moving direction.
In fig. 6, for example, the oldham ring 1 is engaged with the output member 3, the second slider 19 is located in the second sliding groove 32, the second rollers 181 on the two second side surfaces are in rolling friction engagement with the second side surface portions 321 of the second groove surface, and the second rollers 181 on the second top surface are in rolling friction engagement with the second top surface portions 322 of the second groove surface.
The harmonic reducer comprises a flexible gear, a rigid gear and a wave generator, wherein the wave generator comprises a flexible bearing and a coupler, the flexible bearing is sleeved outside the coupler, the flexible gear is sleeved outside the flexible bearing, a first tooth group is arranged on the outer peripheral surface of the flexible gear, a second tooth group is arranged on the inner peripheral wall of the rigid gear, and the first tooth group is meshed with the second tooth group; the coupler adopts the cross-shaped sliding block coupler, the peripheral surface of the output piece 3 is a cam surface, and the flexible bearing is sleeved on the peripheral surface of the output piece 3 to form a wave generator.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (16)
1. The cross slip ring is provided with a first end surface and a second end surface at two axial ends respectively, a first sliding block is arranged on the first end surface, and a second sliding block is arranged on the second end surface;
the first sliding block moves along a first moving direction relative to the input piece, the second sliding block moves along a second moving direction relative to the output piece, the first moving direction is perpendicular to the second moving direction, and the first moving direction and the second moving direction are perpendicular to the axial direction of the Oldham ring;
the method is characterized in that:
the first sliding block is provided with a first mounting position, a first roller group is arranged in the first mounting position, the first roller group comprises a plurality of first rollers arranged along the first moving direction, at least one part of each first roller is positioned outside the first mounting position, and the first sliding block blocks the first roller group from two opposite ends in the first moving direction;
and/or the presence of a gas in the gas,
a second mounting position is arranged on the second sliding block, a second roller group is arranged in the second mounting position, the second roller group comprises a plurality of second rollers arranged along the second moving direction, at least one part of each second roller is positioned outside the second mounting position, and the second sliding block blocks the second roller group from two opposite ends in the second moving direction;
the first mounting position comprises a plurality of first roller grooves which are arranged along a straight line, and the first roller grooves are provided with first arc surfaces;
one of the first rollers is disposed in each of the first roller grooves,
and/or the presence of a gas in the gas,
the second mounting position comprises a plurality of second roller grooves which are arranged along a straight line, and the second roller grooves are provided with second arc surfaces;
one of the second rollers is disposed in each of the second roller grooves.
2. The oldham ring of claim 1, wherein:
the first mounting position is arranged on a first side face of the first sliding block, and the direction of the first side face is perpendicular to the axial direction of the cross slip ring.
3. The oldham ring of claim 2, wherein:
the first sliding block is provided with two first side surfaces which are oppositely arranged, and each first side surface is provided with one first installation position.
4. The oldham ring of claim 1, wherein:
the first mounting position is arranged on a first top surface of the first sliding block, and the orientation of the first top surface is parallel to the axial direction of the cross slip ring.
5. The slipring according to any of the claims 1 to 4, characterized in that:
a first roller retainer is arranged in the first mounting position, and a plurality of first rollers are rotatably mounted on the first roller retainer.
6. The slipring according to any of the claims 1 to 4, characterized in that:
the first end face is provided with two first sliding blocks which are symmetrically arranged along the circumferential direction of the cross sliding ring.
7. The slipring according to any of the claims 1 to 4, characterized in that:
the first moving direction is the radial direction of the cross slip ring.
8. The slipring according to any of the claims 1 to 4, characterized in that:
the second mounting position is arranged on a second side face of the second sliding block, and the direction of the second side face is perpendicular to the axial direction of the cross slip ring.
9. The oldham ring of claim 8, wherein:
the second sliding block is provided with two second side surfaces which are oppositely arranged, and each second side surface is provided with one second mounting position.
10. The slipring according to any of the claims 1 to 4, characterized in that:
the second mounting position is arranged on a second top surface of the second sliding block, and the orientation of the second top surface is parallel to the axial direction of the cross slip ring.
11. The slipring according to any of the claims 1 to 4, characterized in that:
and a second roller retainer is arranged in the second mounting position, and a plurality of second rollers are rotatably mounted on the second roller retainer.
12. The slipring according to any of the claims 1 to 4, characterized in that:
and the second end face is provided with two second sliding blocks which are symmetrically arranged along the circumferential direction of the cross sliding ring.
13. The slipring according to any of the claims 1 to 4, characterized in that:
the second moving direction is the radial direction of the cross slip ring.
14. The Oldham coupling comprises an input part, an Oldham ring and an output part which are sequentially connected along the axial direction;
the input part is provided with a first sliding groove facing the cross slip ring, the output part is provided with a second sliding groove facing the cross slip ring, and the extending direction of the first sliding groove is perpendicular to the extending direction of the second sliding groove;
the method is characterized in that:
the Oldham ring uses the Oldham ring of any one of claims 1 to 13;
the first sliding block is positioned in the first sliding groove, and the first roller is in rolling fit with the first groove surface of the first sliding groove along the first moving direction;
the second sliding block is positioned in the second sliding groove, and the second roller is in rolling fit with the second groove surface of the second sliding groove along the second moving direction.
15. An oldham coupling according to claim 14, wherein:
the input part comprises a shaft body and a circular ring part arranged on the circumferential direction of the shaft body, and the circular ring part is provided with the first sliding groove;
the cross slip ring is provided with a first through hole;
the output member includes a cam having a second through hole;
the shaft body sequentially penetrates through the first through hole and the second through hole.
16. The harmonic reducer comprises a flexible gear, a rigid gear and a wave generator, wherein the wave generator comprises a flexible bearing and a coupler, the flexible bearing is sleeved outside the coupler, the flexible gear is sleeved outside the flexible bearing, a first gear set is arranged on the outer peripheral surface of the flexible gear, a second gear set is arranged on the inner peripheral wall of the rigid gear, and the first gear set is meshed with the second gear set;
the method is characterized in that:
the coupling uses the oldham coupling of claim 15 wherein the flexible bearing is mounted over the cam.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116980.6A CN108895093B (en) | 2018-09-25 | 2018-09-25 | Cross slip ring, cross slide block coupling and harmonic reducer |
| PCT/CN2018/122850 WO2020062647A1 (en) | 2018-09-25 | 2018-12-21 | Oldham ring, an oldham coupling, and a harmonic reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116980.6A CN108895093B (en) | 2018-09-25 | 2018-09-25 | Cross slip ring, cross slide block coupling and harmonic reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108895093A CN108895093A (en) | 2018-11-27 |
| CN108895093B true CN108895093B (en) | 2021-02-19 |
Family
ID=64360224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116980.6A Active CN108895093B (en) | 2018-09-25 | 2018-09-25 | Cross slip ring, cross slide block coupling and harmonic reducer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108895093B (en) |
| WO (1) | WO2020062647A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895093B (en) * | 2018-09-25 | 2021-02-19 | 珠海格力电器股份有限公司 | Cross slip ring, cross slide block coupling and harmonic reducer |
| CN109571442A (en) * | 2019-01-11 | 2019-04-05 | 珠海格力电器股份有限公司 | A kind of attachment device and transmission mechanism and robot with it |
| CN112727939B (en) * | 2021-02-06 | 2021-10-26 | 郑州科技学院 | Automatic centering anti-deviation coupler |
| CN113389819B (en) * | 2021-07-12 | 2024-06-25 | 苏州汇川控制技术有限公司 | Coupling device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04125315A (en) * | 1990-09-14 | 1992-04-24 | Kayseven Co Ltd | Shaft coupling |
| CN2545421Y (en) * | 2002-03-11 | 2003-04-16 | 阮俊 | Coupling |
| CN202732749U (en) * | 2012-08-22 | 2013-02-13 | 莱芜钢铁集团有限公司 | Slide block coupler |
| CN102797764A (en) * | 2012-08-31 | 2012-11-28 | 北京航天计量测试技术研究所 | Slide block coupling for angle transmission |
| CN203272650U (en) * | 2013-01-31 | 2013-11-06 | 陈道群 | Harmonic wave speed reducer |
| CN208845595U (en) * | 2018-09-25 | 2019-05-10 | 珠海格力电器股份有限公司 | Cross slip-ring, sliding cross coupling and harmonic speed reducer |
| CN108895093B (en) * | 2018-09-25 | 2021-02-19 | 珠海格力电器股份有限公司 | Cross slip ring, cross slide block coupling and harmonic reducer |
-
2018
- 2018-09-25 CN CN201811116980.6A patent/CN108895093B/en active Active
- 2018-12-21 WO PCT/CN2018/122850 patent/WO2020062647A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN108895093A (en) | 2018-11-27 |
| WO2020062647A1 (en) | 2020-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108895093B (en) | Cross slip ring, cross slide block coupling and harmonic reducer | |
| CN104838164A (en) | Conical surface friction type overrunning clutch | |
| JP2017048852A (en) | Reduction gear | |
| WO2014156535A1 (en) | Gear transmission | |
| CN102434582A (en) | Linear rolling guide pair | |
| CN208845595U (en) | Cross slip-ring, sliding cross coupling and harmonic speed reducer | |
| CN105545942A (en) | Rotary supporting bearing | |
| CN102401009A (en) | Sliding pair | |
| CN101639098A (en) | Short rzeppa synchronous universal coupling | |
| CN104265842A (en) | Swing ball type reducer | |
| CN201561052U (en) | Flange-type rolling spline pair | |
| CN200985963Y (en) | Chain manner holder of pin roller crossing straight-line guide rail set | |
| CN211599326U (en) | Sliding block coupling | |
| CN211449546U (en) | Roller rack transmission mechanism | |
| CN210623389U (en) | Flexible bearing for harmonic reducer | |
| CN202215591U (en) | Rolling linear guide rail pair | |
| JP7203966B2 (en) | Cycloid gear and reducer | |
| CN203585101U (en) | Tapered roller bearing retainer | |
| CN202659773U (en) | Self-supporting one-way clutch | |
| RU107300U1 (en) | CLUTCH COUPLING | |
| CN104455012A (en) | Precise escalator bearing | |
| CN110805660A (en) | Differential cycloidal gear speed change device | |
| CN218207501U (en) | Lubrication-free plastic bearing | |
| CN103195909A (en) | Conical-surface synchronous meshing gear | |
| CN203176173U (en) | Ultra high molecular weight polyethylene bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |