CN212177698U - Three-fork rod sliding type universal coupling based on micro-texture technology - Google Patents
Three-fork rod sliding type universal coupling based on micro-texture technology Download PDFInfo
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- CN212177698U CN212177698U CN202020601239.5U CN202020601239U CN212177698U CN 212177698 U CN212177698 U CN 212177698U CN 202020601239 U CN202020601239 U CN 202020601239U CN 212177698 U CN212177698 U CN 212177698U
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- sleeve
- fork
- joint
- sliding rod
- sliding
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- 230000008878 coupling Effects 0.000 title description 14
- 238000010168 coupling process Methods 0.000 title description 14
- 238000005859 coupling reaction Methods 0.000 title description 14
- 238000005516 engineering process Methods 0.000 title description 10
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 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
- 238000010586 diagram Methods 0.000 description 5
- 241000239290 Araneae Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a three fork pole sliding universal joint based on little texture technique, include: the device comprises a sleeve input shaft, a slide rod assembly, a three-fork joint and an output shaft; an involute spline I is machined on the shaft side of the sleeve input shaft, and 3 sleeve holes which are uniformly distributed are formed in the sleeve side; the number of the sliding rod assemblies is 3, the sliding rod assemblies are respectively installed in the sleeve holes, and the sliding rod assemblies slide in a reciprocating mode along the axial direction of the sleeve input shaft and are connected with the three-fork joint; the cylindrical surfaces of the slide bars are all provided with micro grooves along the axis direction; the three-fork joint is connected with the output shaft; the coupler has the advantages of good lubricating performance, small friction loss, high transmission efficiency, stable operation and long service life, and in the working process, the micro grooves can play an obvious role in storing oil and containing wear particles, thereby being convenient for realizing the secondary lubrication between the main matching surfaces of the sleeve holes and the sliding rods.
Description
Technical Field
The utility model relates to a shaft coupling field specifically says so and involves a three fork pole sliding universal joint based on little texture technique.
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 sliding type universal coupler based on the microtexture technology is designed and invented.
Disclosure of Invention
The utility model aims at providing a three fork pole sliding universal joint based on little texture technique, this shaft coupling lubricating property is good, and frictional loss is little, and transmission efficiency is high, operates steadily and long service life.
The utility model discloses the scheme that adopts as follows:
a three-fork rod sliding type universal coupling based on a micro-texture technology comprises: the device comprises a sleeve input shaft, a slide rod assembly, a three-fork joint and an output shaft; an involute spline I is machined on the shaft side of the sleeve input shaft, 3 sleeve holes which are uniformly distributed are formed in the sleeve side, and 4 grooves are equidistantly distributed in the sleeve holes along the axial direction; the number of the sliding rod assemblies is 3, the sliding rod assemblies are respectively installed in the sleeve holes, and the sliding rod assemblies slide in a reciprocating mode along the axial direction of the sleeve input shaft and are connected with the three-fork joint; the sliding rod assembly comprises a sliding rod and a joint bearing; the cylindrical surfaces of the slide bars are all provided with micro grooves along the axis direction; a limiting boss is processed in a round hole of the slide rod, and the joint bearing is installed in the round hole; the sliding rods are 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; an inner rectangular spline is processed inside the three-fork joint, an outer rectangular spline is processed at one end of the output shaft, and an involute spline II is processed at the other end of the output shaft; the inner rectangular spline and the outer rectangular spline are matched so that the three-fork joint is connected with the output shaft.
The utility model relates to a three fork pole sliding universal joint can obtain beneficial effect is based on little texture technique:
1. 4 grooves are equidistantly distributed in a sleeve hole of the sleeve input shaft along the axis direction, so that on one hand, a lubricant is convenient to store in the working process, and on the other hand, a convergent wedge-shaped gap is formed in the reciprocating motion process of the slide bar in the sleeve hole, thereby being beneficial to forming a dynamic pressure oil film.
2. The cylindrical surface of the sliding rod is provided with micro grooves along the axis direction, and the micro grooves can play the obvious functions of oil storage and wear particle accommodation, thereby being convenient for realizing the secondary lubrication between the main matching surfaces of the sleeve hole and the sliding rod.
3. 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 utility model relates to a three-fork rod sliding type universal coupling three-dimensional structure diagram based on micro-texture technology;
FIG. 2: the utility model relates to a three-fork rod sliding universal coupling sleeve input shaft diagram based on micro-texture technology;
FIG. 3: the utility model relates to a three-fork rod sliding type universal coupling slide bar assembly diagram based on micro-texture technology;
FIG. 4: the utility model relates to a cross-sectional view of a three-fork rod sliding type universal coupling slide bar based on micro-texture technology;
FIG. 5: the utility model relates to a three-fork joint diagram of a three-fork rod sliding type universal coupling based on a micro-texture technology;
FIG. 6: the utility model relates to a three fork pole slip formula universal joint output shaft diagrams based on little texture technique.
In the figure: 11-sleeve input shaft, 12-slide rod component, 13-three-fork joint, 14-output shaft, 15-involute spline I, 16-involute spline II, 17-elastic snap spring, 21-sleeve hole, 22-groove, 31-slide rod, 32-joint bearing, 33-micro groove, 34-round hole, 41-limit boss, 51-internal rectangular spline, 52-groove and 61-external rectangular spline.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2, 3, 4, 5, 6, the utility model relates to a three fork rod sliding universal joint based on little texture technique, include: a sleeve input shaft 11, a sliding rod component 12, a three-fork joint 13 and an output shaft 14; an involute spline I15 is machined on the shaft side of the sleeve input shaft 11, 3 sleeve holes 21 are uniformly distributed on the sleeve side, and 4 grooves 22 are equidistantly distributed in the sleeve holes 21 along the axial direction; 3 slide rod assemblies 12 are respectively installed in the sleeve holes 21, and the slide rod assemblies 12 slide back and forth along the axial direction of the sleeve input shaft 11 and are connected with the three-fork joints 13; the slide bar component 12 comprises a slide bar 31 and a joint bearing 32; the cylindrical surfaces of the sliding rods 31 are all provided with micro grooves 33 along the axial direction; a limit boss 41 is processed in the round hole 34 of the slide rod 31, and the joint bearing 32 is installed in the round hole 34; the sliding rods 31 are respectively installed on the three-fork joints 13 through the joint bearings 32; the top end of the three-fork joint 13 is provided with 3 grooves 52, and 3 corresponding elastic snap springs 17 are respectively arranged in the 3 grooves 52; an inner rectangular spline 51 is processed inside the three-fork joint 13, an outer rectangular spline 61 is processed at one end of the output shaft 14, and an involute spline II 16 is processed at the other end of the output shaft; the internal rectangular spline 51 and the external rectangular spline 61 cooperate to connect the spider 13 with the output shaft 14.
As shown in fig. 1, 2, 3, 4, 5, and 6, the working method of the three-fork rod sliding type universal coupling based on the micro-texture technology of the present invention comprises the following steps:
during installation, lubricant is injected between the mating surfaces of the sleeve input shaft 11 and the slide rod assembly 12, and the slide rod assembly 12 connects the sleeve input shaft 11 with the spider 13 and the output shaft 14. The power is input to the sleeve input shaft 11 and is transmitted to the three-fork joint 13 and the output shaft 14 through the slide rod assembly 12, so that the transmission of torque and motion is realized; during operation, the sliding rod assembly 12 slides back and forth along the axial direction of the sleeve input shaft 11, and a wedge-shaped gap is established on a matching surface, so that a dynamic pressure oil film is formed; meanwhile, in the process that the sliding rod 31 slides back and forth along the axis direction, the micro groove 33 further plays a role in obviously storing oil and containing wear particles, so that secondary lubrication between the main matching surfaces of the sleeve hole 21 and the sliding rod 31 is realized, the lubricating performance of the coupler during working is improved, and the wear consumption is reduced.
The protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the protection 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 rod sliding universal joint based on little texture technique which characterized in that: comprises a sleeve input shaft, a slide bar component, a three-fork joint and an output shaft; an involute spline I is machined on the shaft side of the sleeve input shaft, 3 sleeve holes which are uniformly distributed are formed in the sleeve side, and 4 grooves are equidistantly distributed in the sleeve holes along the axial direction; the number of the sliding rod assemblies is 3, the sliding rod assemblies are respectively installed in the sleeve holes, and the sliding rod assemblies slide in a reciprocating mode along the axial direction of the sleeve input shaft and are connected with the three-fork joint; the sliding rod assembly comprises a sliding rod and a joint bearing; the cylindrical surfaces of the slide bars are all provided with micro grooves along the axis direction; a limiting boss is processed in a round hole of the slide rod, and the joint bearing is installed in the round hole; the sliding rods are respectively arranged on the three fork joints through the joint bearings; the top end of the three-fork joint is provided with 3 grooves, 3 elastic clamp springs are correspondingly arranged in the 3 grooves respectively, an internal rectangular spline is machined in the three-fork joint, an external rectangular spline is machined at one end of the output shaft, and an involute spline II is machined at the other end of the output shaft; the inner rectangular spline and the outer rectangular spline are matched so that the three-fork joint is connected with the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601239.5U CN212177698U (en) | 2020-04-21 | 2020-04-21 | Three-fork rod sliding type universal coupling based on micro-texture technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601239.5U CN212177698U (en) | 2020-04-21 | 2020-04-21 | Three-fork rod sliding type universal coupling based on micro-texture technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212177698U true CN212177698U (en) | 2020-12-18 |
Family
ID=73767368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020601239.5U Expired - Fee Related CN212177698U (en) | 2020-04-21 | 2020-04-21 | Three-fork rod sliding type universal coupling based on micro-texture technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212177698U (en) |
-
2020
- 2020-04-21 CN CN202020601239.5U patent/CN212177698U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |