CN217301495U - Novel automatic gap eliminating harmonic speed reducer - Google Patents
Novel automatic gap eliminating harmonic speed reducer Download PDFInfo
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- CN217301495U CN217301495U CN202220242412.6U CN202220242412U CN217301495U CN 217301495 U CN217301495 U CN 217301495U CN 202220242412 U CN202220242412 U CN 202220242412U CN 217301495 U CN217301495 U CN 217301495U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a novel automatic crack harmonic speed reducer machine disappears, including the flexbile wheel, go up casing, first bearing, ripples wheel, input shaft, second bearing, output shaft, rigidity wheel, lower casing, fixing bolt and spring. The utility model adopts the above structure, the second bearing is gone into to flexible wheel one end output shaft cluster outside the shell is stretched out from casing below down, flexible wheel circle tooth and rigid wheel circle tooth butt joint interlock, the plane portion circle wave form of ripples wheel one end and the smooth surface movable contact of the flexible wheel back of the tooth, and ripples wheel one end input shaft cluster go into first bearing from last casing rise stretch out can, this structure flexible wheel adopts plane bulge loop form to mill the tooth, the rigidity wheel adopts plane loop form to mill the tooth, its rigidity wheel and the positive meshing of flexible wheel plane loop form tooth, can effectively improve the meshing rate, simultaneously because the meshing rate of the teeth of a cogwheel is high, make the teeth of a cogwheel load little, difficult wearing and tearing, and this utility model discloses the inside work piece of speed reducer, easy processing, assembly efficiency is high, the consumptive material is few with low costs, it is more environmental protection to subtract carbon row.
Description
Technical Field
The utility model belongs to the technical field of the speed reducer, in particular to novel automatic crack harmonic speed reducer disappears.
Background
The harmonic drive reducer is a gear drive which utilizes the wave generator to make the flexible gear generate controllable elastic deformation and is meshed with the rigid gear to transfer motion and power.
However, the traditional harmonic reducer has certain limitation in the use process, the flexible gear teeth and the rigid gear teeth are only contacted towards two ends in an oval gear direction, the meshing rate is only thirty percent, and the meshing rate is low; due to low meshing rate, the large tooth load is easy to cause abrasion and wear, and is not durable; the workpiece is high in requirement, high in processing difficulty, difficult to manufacture and incapable of being produced in a large scale and fast manner; the material consumption is large, the cost is high, and the industrial development is not facilitated.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a novel automatic gap harmonic speed reducer that disappears to solve the problem that the flexible teeth of a cogwheel among the prior art and the rigid teeth of a cogwheel contact rate are low.
The above technical object of the present invention can be achieved by the following technical solutions:
the utility model provides a novel automatic gap harmonic speed reducer machine that disappears, includes casing, first bearing, ripples and sends out wheel, input shaft, second bearing, output shaft, ripples and sends out wheel, flexbile wheel, rigid wheel, lower casing, fixing bolt and spring, the one end of flexbile wheel is equipped with the output shaft, the outside of output shaft is equipped with the second bearing, the casing is down run through to the one end of output shaft, the ring tooth of flexbile wheel is connected for the meshing with the ring tooth of rigid wheel, the smooth surface activity of the plane portion of ripples and the flexbile wheel back of the tooth of wheel one end touches and connects, ripples and sends out wheel one end and is equipped with the input shaft, the outside of input shaft is equipped with first bearing, the casing is run through to the one end of input shaft, the lower extreme of casing is equipped with fixing bolt down, fixing bolt's outside is equipped with the spring, the casing passes through fixing bolt and last casing swing joint down.
Through adopting above-mentioned technical scheme, the speed reducer input shaft drives the synchronous syntropy rotation of ripples wheel and input shaft when receiving external force effect rotation, the flexbile wheel produces the harmonic when the ripples wheel is rotatory, harmonic effort promotes the flexbile wheel rotatory on the rigidity takes turns, the rotatory a week of input shaft makes two tooth positions of flexbile wheel rotation, the flexbile wheel drives output shaft synchronous revolution, thereby reach and slow down, fixing bolt and spring mutually support and make and produce invariable tightening force between last casing and the lower casing, thereby the space that the automatic elimination speed reducer produced because of wearing and tearing in service.
Further, as a preferable mode, the rigid wheel is made of a rigid metal material, and the shape of the rigid wheel is a round flat shape.
By adopting the technical scheme, the strength of the rigid wheel can be improved by adopting the rigid wheel made of the rigid metal material.
Further, as a preferred technical scheme, the flexible wheel is made of flexible alloy materials, and the shape of the flexible wheel is round and flat.
By adopting the technical scheme, the flexible wheel is made of the alloy material with good flexibility, so that the flexibility of the flexible wheel can be improved.
Further, as a preferable technical scheme, the wave wheel is made of rigid metal materials, and the shape of the wave wheel is round and flat.
By adopting the technical scheme, the rigidity and the durability of the wave wheel can be improved by adopting the wave wheel made of rigid materials.
Further, as a preferable aspect, the upper case has a cylindrical shape, and the lower case has a flat and round shape.
By adopting the technical scheme, the installation can be conveniently carried out by adopting the cylindrical upper shell and the flat lower shell.
To sum up, the utility model discloses mainly have following beneficial effect:
the second bearing is gone into to flexible wheel one end output shaft cluster outside the casing is stretched out from the casing down, flexible wheel circle tooth and rigid wheel circle tooth butt joint meshing, the plane portion of ripples send out wheel one end and the smooth surface movable contact of the flexible wheel tooth back of the body, and ripples send out wheel one end input shaft cluster go into first bearing from last casing rise stretch out can, this structure flexible wheel adopts plane circle form to mill the tooth, the rigidity wheel adopts plane circle form to mill the tooth, its rigidity wheel and the positive contact of flexible wheel plane circle form tooth, can effectively improve the meshing rate, simultaneously because the meshing rate of the teeth of a cogwheel is high, make the teeth of a cogwheel load little, difficult wearing and tearing, and this novel speed reducer's inside work piece, the processing is easy, assembly efficiency is high, the consumptive material is with low costs less, it is more environmental protection to reduce carbon row.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the lower housing of the present invention;
fig. 3 is a plan view of the lower housing of the present invention;
fig. 4 is a schematic structural view of an output shaft of the present invention;
fig. 5 is a schematic structural view of the flexible wheel of the present invention;
fig. 6 is a schematic structural view of the input shaft of the present invention;
fig. 7 is a schematic view of the structure of the rigid wheel of the present invention.
Reference numerals: 1. the device comprises an upper shell, 2, a first bearing, 3, a wave wheel, 4, an input shaft, 5, a flexible wheel, 6, a second bearing, 7, a rigid wheel, 8, an output shaft, 9, a fixing bolt, 10, a lower shell, 11 and a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope of the present invention.
Example 1
Referring to fig. 1-7, the novel automatic backlash eliminating harmonic reducer of the present embodiment includes an upper housing 1, a first bearing 2, a wave generator 3, an input shaft 4, and a flexible wheel 5, the device comprises a second bearing 6, an output shaft 8, a rigid wheel 7, a lower shell 10, a fixing bolt 9 and a spring 11, wherein the output shaft 8 is arranged at one end of a flexible wheel 5, the second bearing 6 is arranged outside the output shaft 8, one end of the output shaft 8 penetrates through the lower shell 10, ring teeth of the flexible wheel 5 are in meshed connection with ring teeth of the rigid wheel 7, a plane part at one end of a wave wheel 3 is in movable contact with a smooth surface of the back of the teeth of the flexible wheel 5, an input shaft 4 is arranged at one end of the wave wheel 3, a first bearing 2 is arranged outside the input shaft 4, one end of the input shaft 4 penetrates through an upper shell 1, the fixing bolt 9 is arranged at the lower end of the lower shell 10, the spring 11 is arranged outside the fixing bolt 9, and the lower shell 10 is movably connected with the upper shell 1 through the fixing bolt 9; the rigid wheel 7 is in a conventional cylindrical shape, adopts a circular shape in a new form such as a figure 2 and a figure 3, and saves 70 percent of consumables; the flexible wheel 5 is in a traditional cylindrical shape, and the novel flexible wheel adopts a round flat shape such as the shape shown in figures 4 and 5, so that the consumable material is saved by 73 percent; the wave-generating wheel 3 is in a conventional elliptic cylinder shape, adopts a new circular flat shape such as a figure 6 and a figure 7, and saves 80 percent of consumables; the front surfaces of the 5 teeth of the flexible wheel and the 7 teeth of the rigid wheel are in contact, the contact rate of the two teeth reaches 100 percent, the load of the teeth is uniform, and the abrasion is small; a gap remains between the upper case 1 and the lower case 10.
When the input shaft 4 of the speed reducer rotates under the action of external force, the wave generator wheel 3 and the input shaft 4 synchronously rotate in the same direction, the flexible wheel 5 generates harmonic waves when the wave generator wheel 3 rotates, the flexible wheel 5 rotates under the action of the harmonic waves on the rigid wheel 7, the flexible wheel 5 rotates 2 teeth by one circle of the input shaft 4, the output shaft 8 and the flexible wheel 5 synchronously rotate, and the problem that the contact rate of the 5 teeth of the flexible wheel and the 7 teeth of the rigid wheel in the prior art is low is effectively solved.
Example 2
Referring to fig. 1 to 5, in order to facilitate the linkage between the rigid wheel 7 and the flexible wheel 5, in this embodiment, the rigid wheel 7 is made of a rigid metal material, the rigid wheel 7 is in a flat and round shape, and the rigid wheel 7 made of the rigid metal material can improve the strength of the rigid wheel 7; the flexible wheel 5 is made of flexible alloy materials, the flexible wheel 5 is in a flat round shape, and the flexible wheel 5 is made of alloy materials with good flexibility, so that the flexibility of the flexible wheel 5 can be improved; the rigid wheel 7 and the lower shell 10 are installed into a whole, the inner circle of the flexible wheel 5 is connected with an annular dislocation point in the axial direction, and the inner circle and the output shaft 8 are installed into a whole; the number of teeth of the flexible wheel 5 is larger than that of the rigid wheel 7; the tooth profile of the rigid wheel 7 and the tooth profile of the flexible wheel 5 are half-elemi tooth profiles.
Example 3
Referring to fig. 6 and 7, in order to achieve the purpose of improving the practicability of the wave-generating wheel 3, the wave-generating wheel 3 of the present embodiment is made of a rigid metal material, the wave-generating wheel 3 is in a flat shape, the wave-generating wheel 3 made of a rigid material can improve the rigidity and durability of the wave-generating wheel 3, one end of the wave-generating wheel 3 is in a flat outer ring shape, the other end of the wave-generating wheel is integrally mounted with the input shaft 4, the upper casing 1 is in a cylindrical shape, the lower casing 10 is in a flat shape, and the upper casing 1 and the lower casing 10 are in a cylindrical shape, so that the installation can be facilitated; the plane of one end of the wave-generating wheel 3 is circular and convex; the wave-shaped ring of the wave wheel 3 abuts against the smooth surface of the back of the teeth of the flexible wheel 5.
The use principle and the advantages are as follows: an output shaft 8 at one end of a flexible wheel 5 is serially connected into a second bearing 6 and extends out from the lower part of a lower shell, a ring tooth of the flexible wheel 5 is in butt joint and occlusion with a ring tooth of a rigid wheel 7, a plane part at one end of a wave-transmitting wheel 3 is in movable contact with a smooth surface of a tooth back of the flexible wheel 5, an input shaft 4 at one end of the wave-transmitting wheel 3 is serially connected into a first bearing 2 and extends out from an upper shell 1, when the wave-transmitting wheel is used, an input shaft 4 of a speed reducer rotates under the action of external force to drive the wave-transmitting wheel 3 and the input shaft 4 to synchronously rotate in the same direction, when the wave-transmitting wheel 3 rotates, the flexible wheel 5 generates harmonic wave, the harmonic acting force pushes the flexible wheel 5 to rotate on the rigid wheel 7, when the input shaft 4 rotates for a circle, the flexible wheel 5 rotates for two tooth positions, the flexible wheel 5 drives the output shaft 8 to synchronously rotate, so as to achieve speed reduction, a constant tightening force is generated between the upper shell 1 and the lower shell 10 due to the mutual cooperation of a fixing bolt 9 and a spring 11, so that a gap generated by abrasion of the speed reducer in the operation is automatically eliminated, this structure compliant wheel 5 adopts plane circle form to mill the tooth, and rigid wheel 7 adopts plane circle form to mill the tooth, and its rigid wheel 7 and 5 plane circle form teeth of compliant wheel openly contact can effectively improve the engagement rate, simultaneously because the engagement rate of milling the tooth is high for the teeth of a cogwheel load is little, difficult wearing and tearing, and this novel speed reducer's inside work piece is processed easily moreover, and assembly efficiency is high, and the consumptive material is with low costs less, and it is more environmental protection to reduce the carbon row.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel automatic gap eliminating harmonic speed reducer machine which characterized in that: comprises an upper shell (1), a first bearing (2), a wave-transmitting wheel (3), an input shaft (4), a flexible wheel (5), a second bearing (6), a rigid wheel (7), an output shaft (8), a lower shell (10), a fixing bolt (9) and a spring (11), wherein the output shaft (8) is arranged at one end of the flexible wheel (5), the second bearing (6) is arranged outside the output shaft (8), one end of the output shaft (8) penetrates through the lower shell (10), the ring teeth of the flexible wheel (5) are meshed with the ring teeth of the rigid wheel (7), the plane part waveform at one end of the wave-transmitting wheel (3) is in movable contact with the smooth surface of the tooth back of the flexible wheel (5), the input shaft (4) is arranged at one end of the wave-transmitting wheel (3), the first bearing (2) is arranged outside the input shaft (4), one end of the input shaft (4) penetrates through the upper shell (1), the lower end of the lower shell (10) is provided with a fixing bolt (9), a spring (11) is arranged outside the fixing bolt (9), and the lower shell (10) is movably connected with the upper shell (1) through the fixing bolt (9).
2. The novel automatic anti-backlash harmonic reducer according to claim 1, characterized in that: the rigid wheel (7) is made of rigid metal materials, and the shape of the rigid wheel (7) is round and flat.
3. The novel automatic anti-backlash harmonic reducer according to claim 1, wherein: the flexible wheel (5) is made of flexible alloy materials, and the shape of the flexible wheel (5) is round and flat.
4. The novel automatic anti-backlash harmonic reducer according to claim 1, characterized in that: the wave-generating wheel (3) is made of rigid metal materials, and the wave-generating wheel (3) is round and flat.
5. The novel automatic anti-backlash harmonic reducer according to claim 1, characterized in that: the upper shell (1) is cylindrical, and the lower shell (10) is flat and round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220242412.6U CN217301495U (en) | 2022-01-29 | 2022-01-29 | Novel automatic gap eliminating harmonic speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220242412.6U CN217301495U (en) | 2022-01-29 | 2022-01-29 | Novel automatic gap eliminating harmonic speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301495U true CN217301495U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220242412.6U Active CN217301495U (en) | 2022-01-29 | 2022-01-29 | Novel automatic gap eliminating harmonic speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217301495U (en) |
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2022
- 2022-01-29 CN CN202220242412.6U patent/CN217301495U/en active Active
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