CN111577778A - Novel three-fork-rod sliding ball type universal coupling - Google Patents
Novel three-fork-rod sliding ball type universal coupling Download PDFInfo
- Publication number
- CN111577778A CN111577778A CN202010603233.6A CN202010603233A CN111577778A CN 111577778 A CN111577778 A CN 111577778A CN 202010603233 A CN202010603233 A CN 202010603233A CN 111577778 A CN111577778 A CN 111577778A
- Authority
- CN
- China
- Prior art keywords
- ballball
- fork
- output shaft
- input shaft
- slide
- 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.)
- Withdrawn
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 25
- 238000010168 coupling process Methods 0.000 title claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000005461 lubrication Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/221—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being located in sockets in one of the coupling parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
- F16N15/02—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions with graphite or graphite-containing compositions
Abstract
The invention relates to a novel three-fork rod sliding ball type universal coupling, which comprises: input shaft, ballball, trident pole output shaft, open input shaft one side has the keyway, and the opposite side is the cylindric to it has three groups to be the ballball slide that 120 distribute to open, the ballball has three sets, installs respectively on three ballball slide, the ballball is in the ballball slide of input shaft is followed the axis direction reciprocating sliding of input shaft, trident pole output shaft one side has three fork arm that is 120 and distributes, and opposite side processing has the keyway, three sets the ballball with the cooperation of the three fork arm of trident pole output shaft. The invention has the obvious advantages of simple structure, convenient manufacture, processing, assembly and disassembly, convenient maintenance, small friction loss, low manufacturing cost, convenient lubrication, reliable operation and the like, and can be suitable for more complex transmission scenes.
Description
Technical Field
The invention relates to the field of couplings, in particular to a novel three-fork rod sliding ball type universal coupling.
Background
At present, in the process of variable shaft included angle transmission of large-scale mechanical equipment, a universal coupling is generally adopted. Common universal couplings include a cross universal coupling, a rzeppa universal coupling, and the like. The cross-axle type universal coupling and the rzeppa universal coupling are widely applied to various general mechanical occasions due to the structural characteristics, but the wear resistance of the couplings is not outstanding, and the wear condition is serious when the couplings work for a long time. In order to more effectively reduce the abrasion consumption and prolong the service life of the coupler, the novel three-fork rod sliding ball type universal coupler is designed and invented. The novel three-fork-rod sliding ball type universal coupling has the remarkable advantages of simple structure, convenience in manufacturing, mounting and dismounting, convenience in maintenance, small friction loss, low manufacturing cost, convenience in lubrication, reliability in operation and the like, and can be suitable for more complex transmission scenes.
Disclosure of Invention
The invention aims to provide a novel three-fork rod sliding ball type universal coupling, which adopts a motion mode that sliding balls roll in a slide way, replaces the mode that a common universal coupling sliding block directly slides in a groove, reduces friction and abrasion in the transmission process, reduces the energy loss of the coupling, improves the production efficiency, and has the advantages of simple structure, convenient manufacturing, processing, assembly and disassembly, convenient maintenance, small friction loss, low manufacturing cost, convenient lubrication and reliable operation. The technical scheme adopted by the invention is as follows: a novel three-wishbone sliding ball type universal coupling comprises: input shaft, ballball, trident pole output shaft, open input shaft one side has the keyway, and the opposite side is the cylindric to it has three groups to be the ballball slide that 120 distribute to open, the ballball has three sets, installs respectively on three ballball slide, the ballball is in the ballball slide of input shaft is followed the axis direction reciprocating sliding of input shaft, trident pole output shaft one side has three fork arm that is 120 and distributes, and opposite side processing has the keyway, three sets the ballball with the cooperation of the three fork arm of trident pole output shaft.
The sliding ball is internally provided with a through hole along the diameter direction, the outer surface of the sliding ball is cut with six grooves along the axis direction of the through hole, and a metal reinforced graphite packing A is added in the grooves, so that the friction force is reduced, and the sliding ball has self-lubricating performance.
Eight grooves are cut on the outer surface of the three-fork rod output shaft along the axis direction of the fork rod, and metal reinforced graphite packing B is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
The invention has the beneficial effects that: the structure is simple, the manufacture, the processing, the assembly and the disassembly are convenient, the maintenance is convenient, the friction loss is small, the manufacturing cost is low, the lubrication is convenient, and the operation is reliable. The sliding ball is adopted to roll in the slideway, so that the sliding block of the common universal coupling is replaced to directly slide in the groove, the friction and the abrasion in the transmission process are reduced, the energy loss of the coupling is reduced, and the production efficiency is improved. The structure of the sliding ball and the three-fork rod is optimized, so that the friction force is reduced, and the self-lubricating performance is improved.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the novel three-fork rod sliding ball type universal coupling.
Fig. 2 is a schematic structural diagram of a sliding ball of the novel three-fork rod sliding ball type universal coupling.
Fig. 3 is a schematic structural diagram of a three-fork rod output shaft of the novel three-fork rod sliding ball type universal coupling.
In the figure: 1. input shaft 2, sliding ball 3, three-fork rod output shaft 21, metal-reinforced graphite packing A31 and metal-reinforced graphite packing B
Detailed Description
Referring to fig. 1, 2 and 3, a novel three-wishbone sliding ball universal joint comprises: input shaft (1), ballball (2), trident pole output shaft (3), open input shaft (1) one side has the keyway, and the opposite side is the cylindric to it has three groups to be the ballball slide that 120 distributes to open on the cylindric, ballball (2) have three sets, install respectively on three ballball slide, ballball (2) are in follow in the ballball slide of input shaft (1) the axis direction reciprocating slide of input shaft (1), trident pole output shaft (3) one side has three fork arm that is 120 and distributes, and opposite side processing has the keyway, three sets ballball (2) with the three fork arm cooperation of trident pole output shaft (3).
The inside diameter direction of following of smooth ball (2) is opened has the through-hole, and the surface is cut along through-hole axis direction has six grooves, and metal reinforcing graphite packing A (21) is added to the inslot, reduces frictional force from this to have self-lubricating property.
Eight grooves are cut in the outer surface of the three-fork-rod output shaft (3) along the axial direction of the fork rod, and metal reinforced graphite packing B (31) is added in the grooves, so that the friction force is reduced, and the three-fork-rod output shaft has self-lubricating performance.
The power is input to the input shaft (1) and transmitted to the three-fork-rod output shaft (3) through the sliding ball (2), so that the transmission of torque and motion is realized, in the transmission process, three fork rods of the three-fork-rod output shaft (3) are connected with the sliding ball (2), and the sliding ball (2) can rotate in a sliding ball slideway and slide in a reciprocating manner along the axial direction of the input shaft (1), so that the compensation of the angle in the motion process is realized.
Claims (3)
1. The utility model provides a novel three fork arm sliding ball formula universal joint which characterized in that: including input shaft (1), ballball (2), trident pole output shaft (3), open input shaft (1) one side has the keyway, and the opposite side is the cylindric to it has three groups to be the ballball slide that 120 distributes to open on the cylindric, ballball (2) have three sets, install respectively on three ballball slide, ballball (2) are in follow in the ballball slide of input shaft (1) the axis direction reciprocating slide of input shaft (1), trident pole output shaft (3) one side has three fork arm that is 120 and distributes, and opposite side processing has the keyway, three sets ballball (2) with the three fork arm cooperation of trident pole output shaft (3).
2. The novel three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: the inside diameter direction of following of smooth ball (2) is opened has the through-hole, and the surface is cut along through-hole axis direction has six grooves, and metal reinforcing graphite packing A (21) is added to the inslot, reduces frictional force from this to have self-lubricating property.
3. The novel three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: eight grooves are cut in the outer surface of the three-fork-rod output shaft (3) along the axial direction of the fork rod, and metal reinforced graphite packing B (31) is added in the grooves, so that the friction force is reduced, and the three-fork-rod output shaft has self-lubricating performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603233.6A CN111577778A (en) | 2020-06-29 | 2020-06-29 | Novel three-fork-rod sliding ball type universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603233.6A CN111577778A (en) | 2020-06-29 | 2020-06-29 | Novel three-fork-rod sliding ball type universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111577778A true CN111577778A (en) | 2020-08-25 |
Family
ID=72122072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010603233.6A Withdrawn CN111577778A (en) | 2020-06-29 | 2020-06-29 | Novel three-fork-rod sliding ball type universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111577778A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664582A (en) * | 2020-11-26 | 2021-04-16 | 北京空天技术研究所 | Shaft coupling |
-
2020
- 2020-06-29 CN CN202010603233.6A patent/CN111577778A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664582A (en) * | 2020-11-26 | 2021-04-16 | 北京空天技术研究所 | Shaft coupling |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200825 |