CN111350769A - Three-fork rod slider type universal coupling based on micro-texture technology - Google Patents
Three-fork rod slider type universal coupling based on micro-texture technology Download PDFInfo
- Publication number
- CN111350769A CN111350769A CN202010316041.7A CN202010316041A CN111350769A CN 111350769 A CN111350769 A CN 111350769A CN 202010316041 A CN202010316041 A CN 202010316041A CN 111350769 A CN111350769 A CN 111350769A
- Authority
- CN
- China
- Prior art keywords
- sliding block
- fork
- fork rod
- output shaft
- sliding
- 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- Withdrawn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 abstract description 17
- 238000010168 coupling process Methods 0.000 title abstract description 17
- 238000005859 coupling reaction Methods 0.000 title abstract description 17
- 238000005516 engineering process Methods 0.000 title abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F16D3/202—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 one coupling part having radially projecting pins, e.g. tripod joints
- F16D3/205—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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
- F16D3/2055—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 one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part having three pins, i.e. true tripod joints
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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
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a three-fork rod slider type universal coupling based on a microtexture technology, which comprises: the device comprises a cylindrical input shaft, a sliding block assembly and a three-fork rod output shaft; an involute spline I is machined on the shaft side of the cylindrical input shaft, and 3 sliding chutes which are uniformly distributed are formed in the cylindrical side; the sliding block assembly is provided with 3 sets which are respectively arranged on the 3 sliding grooves, and the sliding block assembly slides in a reciprocating manner along the axial direction of the cylindrical input shaft and is connected with the three-fork rod output shaft; uniformly distributed micro pits are processed at the contact part of the sliding block main body and the sliding groove; one end of the three-fork rod output shaft is processed with an involute spline II, and the other end of the three-fork rod output shaft is processed into a three-fork joint; the coupler has the advantages of good lubricating performance, small friction loss, convenience in disassembly, assembly and maintenance, high transmission efficiency, stability in operation and long service life, and the micro-pits can play the roles of storing oil and containing wear particles in the working process, so that the secondary lubrication between the main matching surfaces of the sliding block main body and the sliding groove is convenient to realize.
Description
Technical Field
The invention relates to the field of couplings, in particular to a three-fork rod slider type universal coupling based on a microtexture technology.
Background
At present, in the process of variable shaft included angle transmission of large-scale mechanical equipment, a universal coupling is generally adopted. The common cross-axle type universal coupling and the common rzeppa universal coupling have the defects of unobvious wear resistance and serious wear under long-time working conditions. With the progressive tribology studies, numerous studies have shown that: a non-smooth surface with a certain surface microtexture will exhibit better wear resistance. In order to effectively improve the lubricating performance and reduce the wear consumption of the coupler, the three-fork rod slider type universal coupler based on the microtexture technology is designed and invented.
Disclosure of Invention
The invention aims to provide a three-fork rod slider type universal coupling based on a microtexture technology, which has the advantages of good lubricating performance, small friction loss, convenience in disassembly, assembly and maintenance, high transmission efficiency, stability in operation and long service life.
The scheme adopted by the invention is as follows:
a three-fork rod slider type universal coupling based on a micro-texture technology comprises: the device comprises a cylindrical input shaft, a sliding block assembly and a three-fork rod output shaft; an involute spline I is machined on the shaft side of the cylindrical input shaft, and 3 sliding chutes which are uniformly distributed are formed in the cylindrical side; the sliding block assembly is provided with 3 sets, the sliding block assembly is respectively arranged on the 3 sliding grooves, and the sliding block assembly slides in a reciprocating mode along the axial direction of the cylindrical input shaft and is connected with the three-fork rod output shaft; one end of the three-fork rod output shaft is processed with an involute spline II, and the other end of the three-fork rod output shaft is processed into a three-fork joint form; the sliding block assembly comprises a sliding block main body and a joint bearing; uniformly distributed micro pits are processed at the contact part of the sliding block main body and the sliding groove; a limiting boss is processed in a circular groove of the sliding block main body, and the joint bearing is installed in the circular groove; the sliding block main body is respectively arranged on the three fork joints through the joint bearings; the top end of the three-fork joint is provided with 3 grooves, and 3 elastic clamp springs are correspondingly arranged in the 3 grooves respectively.
The invention relates to a three-fork rod slider type universal coupling based on a microtexture technology, which has the following beneficial effects:
1. the contact part of the sliding block main body and the sliding groove is provided with uniformly distributed micro pits, and the micro pits can play the obvious functions of oil storage and wear particle accommodation, so that the secondary lubrication between the main matching surface of the sliding block main body and the sliding groove is convenient to realize.
2. An elastic clamp spring is arranged in a groove at the top end of the three-fork joint, and the effect of preventing the joint bearing from falling off from the three-fork joint is achieved.
Drawings
FIG. 1: the invention relates to a three-fork rod slider type universal coupling three-dimensional structure diagram based on a micro-texture technology;
FIG. 2: the invention relates to a three-fork rod slider type universal coupling slider component diagram based on a microtexture technology;
FIG. 3: the invention relates to a three-fork rod slider type universal coupling slider main body diagram based on a micro-texture technology;
FIG. 4: the invention discloses a three-fork rod slider type universal coupling output shaft diagram based on a micro-texture technology.
In the figure: 11-cylindrical input shaft, 12-sliding block component, 13-three-fork rod output shaft, 14-elastic clamp spring, 15-involute spline I, 16-sliding groove, 17-involute spline II, 21-sliding block main body, 22-joint bearing, 23-micro-pit, 31-circular groove, 32-limiting boss, 41-three-fork joint and 42-groove.
Detailed Description
Specific implementations of the present invention are further described below in conjunction with the following figures.
As shown in fig. 1, 2, 3 and 4, the present invention relates to a three-fork rod slider type universal coupling based on micro-texture technology, which comprises: a cylindrical input shaft 11, a sliding block assembly 12 and a three-fork rod output shaft 13; an involute spline I15 is machined on the shaft side of the cylindrical input shaft 11, and 3 sliding grooves 16 which are uniformly distributed are formed in the cylindrical side; the slide block assembly 12 has 3 sets, and is respectively mounted on 3 slide grooves 16, the slide block assembly 12 slides back and forth along the axial direction of the cylindrical input shaft 11, and is connected with the three-fork rod output shaft 13; one end of the three-fork rod output shaft 13 is processed with an involute spline II 17, and the other end of the three-fork rod output shaft is processed into a three-fork joint 41; the slide block assembly 12 comprises a slide block main body 21 and a joint bearing 22; uniformly distributed micro-pits 23 are processed at the contact part of the sliding block main body 21 and the sliding chute 16; a limit boss 32 is processed in the circular groove 31 of the slider body 21, and the joint bearing 22 is installed in the circular groove 31; the slider main bodies 21 are respectively mounted on the three-fork joints 41 through the knuckle bearings 22; the top end of the three-fork joint 41 is provided with 3 grooves 42, and 3 elastic clamp springs 14 are correspondingly arranged in the 3 grooves 42 respectively.
As shown in fig. 1, 2, 3 and 4, the working method of the three-fork rod slider type universal coupling based on the microtexture technology comprises the following steps:
when the three-fork output shaft connecting device is installed, a lubricant is injected between the matching surfaces of the cylindrical input shaft 11 and the sliding block assembly 12, and the sliding block assembly 12 connects the cylindrical input shaft 11 and the three-fork output shaft 13. The power is input to the input shaft 11 and is transmitted to the three-fork rod output shaft 13 through the sliding block assembly 12, so that the transmission of torque and motion is realized; during operation, the slide block assembly 12 slides back and forth along the axial direction of the cylindrical input shaft 11; meanwhile, in the process that the sliding block assembly 12 slides back and forth along the axial direction, the micro-pits 23 further play obvious roles of storing oil and containing abrasion particles, so that secondary lubrication between the main matching surfaces of the sliding block main body 21 and the sliding groove 16 is realized, the lubricating performance of the coupler during working is improved, and abrasion consumption is reduced.
The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. Therefore, the protection scope of the present invention should be defined by the appended claims.
Claims (1)
1. The utility model provides a three fork arm slider formula universal joint based on little texture technique which characterized in that: comprises a cylindrical input shaft, a sliding block component and a three-fork rod output shaft; an involute spline I is machined on the shaft side of the cylindrical input shaft, and 3 sliding chutes which are uniformly distributed are formed in the cylindrical side; the sliding block assembly is provided with 3 sets, the sliding block assembly is respectively arranged on the 3 sliding grooves, and the sliding block assembly slides in a reciprocating mode along the axial direction of the cylindrical input shaft and is connected with the three-fork rod output shaft; one end of the three-fork rod output shaft is processed with an involute spline II, and the other end of the three-fork rod output shaft is processed into a three-fork joint form; the sliding block assembly comprises a sliding block main body and a joint bearing; uniformly distributed micro pits are processed at the contact part of the sliding block main body and the sliding groove; a limiting boss is processed in a circular groove of the sliding block main body, and the joint bearing is installed in the circular groove; the sliding block main body is respectively arranged on the three fork joints through the joint bearings; the top end of the three-fork joint is provided with 3 grooves, and 3 elastic clamp springs are correspondingly arranged in the 3 grooves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316041.7A CN111350769A (en) | 2020-04-21 | 2020-04-21 | Three-fork rod slider type universal coupling based on micro-texture technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316041.7A CN111350769A (en) | 2020-04-21 | 2020-04-21 | Three-fork rod slider type universal coupling based on micro-texture technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111350769A true CN111350769A (en) | 2020-06-30 |
Family
ID=71196413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010316041.7A Withdrawn CN111350769A (en) | 2020-04-21 | 2020-04-21 | Three-fork rod slider type universal coupling based on micro-texture technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111350769A (en) |
-
2020
- 2020-04-21 CN CN202010316041.7A patent/CN111350769A/en not_active Withdrawn
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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: 20200630 |