CN213839328U - Three-fork rod sliding ball type universal coupling based on micro-texture technology - Google Patents
Three-fork rod sliding ball type universal coupling based on micro-texture technology Download PDFInfo
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- CN213839328U CN213839328U CN202022806938.6U CN202022806938U CN213839328U CN 213839328 U CN213839328 U CN 213839328U CN 202022806938 U CN202022806938 U CN 202022806938U CN 213839328 U CN213839328 U CN 213839328U
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- slide
- sliding ball
- fork
- output shaft
- input shaft
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- 230000008878 coupling Effects 0.000 title claims description 27
- 238000010168 coupling process Methods 0.000 title claims description 27
- 238000005859 coupling reaction Methods 0.000 title claims description 27
- 238000005516 engineering process Methods 0.000 title claims description 12
- 238000005461 lubrication Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims abstract description 3
- 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
- 239000002184 metal Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model relates to a trident pole sliding ball formula universal joint based on little texture technique, include: input shaft, sliding ball, 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 slide that 120 distribute to open, the sliding ball has three sets, installs respectively on three slide, the sliding ball is in the slide of input shaft is followed the axis direction reciprocating sliding of input shaft, the sliding ball has little pit with the contact site processing of slide, trident pole output shaft one side has three fork arm that is 120 distributions, and opposite side processing has the keyway, three sets the sliding ball with the cooperation of the three fork arm of trident pole output shaft. The utility model has the advantages of simple structure, manufacturing and processing and installing and removing the convenience, easy maintenance, friction loss is little, convenient lubrication, the operation is reliable etc. showing, little pit can exert the oil storage in the course of the work, holds the wearing and tearing granule effect, is convenient for realize the secondary lubrication between main fitting surface of smooth ball and slide.
Description
Technical Field
The utility model relates to a shaft coupling field, concretely relates to trigeminal pole sliding ball formula 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. 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. The invention designs a three-fork rod sliding ball type universal coupling based on a micro-texture technology in order to more effectively reduce wear consumption and prolong the service life of the coupling. The three-fork rod sliding ball type universal coupling based on the microtexture technology has the remarkable advantages of simple structure, convenience in manufacturing, processing, assembling and disassembling, 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a trigeminal pole sliding ball formula universal joint based on little texture technique adopts the rolling motion form of sliding ball in the slide, has replaced ordinary universal joint slider directly to slide in the inslot, friction and wearing and tearing among the transmission process have been reduced, the coupling energy loss has been reduced, production efficiency has been improved, carry out configuration optimization to sliding ball and trigeminal pole, promote the lubricating property when reducing frictional force, moreover, the steam generator is simple in structure, manufacture and assembly and disassembly are convenient, the maintenance is convenient, the friction loss is little, the cost of manufacture is low, convenient lubrication, the operation is reliable. The utility model discloses the technical scheme who adopts does: a three-fork rod sliding ball type universal coupling based on a micro-texture technology comprises: input shaft, ballslide, 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 slide that 120 distribute to open, the ballslide has three sets, installs respectively on three slide, the ballslide is in the slide of input shaft is followed the axis direction reciprocating sliding of input shaft, trident pole output shaft one side has three to be the fork arm that 120 distribute, and the opposite side processing has the keyway, three sets the ballslide with the cooperation of the three fork arm of trident pole output shaft.
The inner part of the sliding ball is provided with through holes along the diameter direction, the surface of the sliding ball is provided with nine rows of annular bulges which are parallel to each other, a linear contact high pair is arranged between the annular bulges of the sliding ball and the slide way, and a convergent wedge-shaped gap is formed in the relative reciprocating motion process, so that an elastic fluid dynamic pressure oil film is easily established between the sliding ball and the slide way, the friction loss is small, micro pits are processed at the contact part of the annular bulges of the sliding ball and the slide way, the micro pits are distributed on the two sides of the annular bulges, the oil storage and wear particle containing effects can be realized, and the secondary lubrication between the main matching surfaces of the sliding ball and the slide way is convenient to realize.
The three-fork rod output shaft is composed of metal reinforced graphite packing and a three-fork rod, eight grooves are cut in the outer surface of the three-fork rod output shaft along the axis direction of the fork rod, and the metal reinforced graphite packing is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
The utility model has the advantages 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 annular bulge of the sliding ball forms a convergent wedge-shaped gap in the process of relative reciprocating motion in the slideway, so that an elastic fluid dynamic pressure oil film is easy to establish, and the friction loss is small. The contact part of the annular bulge of the sliding ball and the slide way is processed with micro pits which are distributed on two sides of the annular bulge, and the micro pits can play the roles of storing oil and containing wear particles, thereby being convenient for realizing the secondary lubrication between the main matching surfaces of the sliding ball and the slide way. To trident pole surface grooving, add metal reinforcing graphite packing in the groove, promote self-lubricating performance when reducing frictional force.
The following describes the present invention in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is the overall structure schematic diagram of a three-fork rod sliding ball type universal coupling based on the micro-texture technology.
Fig. 2 is a schematic diagram of a sliding ball structure of a three-fork rod sliding ball type universal coupling based on a micro-texture technology.
Fig. 3 is a front view of a sliding ball of a three-fork rod sliding ball type universal coupling based on the micro-texture technology.
Fig. 4 is a schematic structural diagram of a three-fork rod output shaft of a three-fork rod sliding ball type universal coupling based on a micro-texture technology.
In the figure: 1. input shaft 2, sliding ball 3, trident rod output shaft 301, metal reinforced graphite packing 302, trident rod
Detailed Description
Referring to the attached drawings 1, 2, 3 and 4, the three-fork rod sliding ball type universal coupling based on the micro-texture technology comprises: input shaft (1), ballslide (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 slide that 120 distributes to open on the cylindric, ballslide (2) have three sets, install respectively on three slide, ballslide (2) are in follow in the 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 ballslide (2) with the cooperation of three fork arm of trident pole output shaft (3).
The inside diameter direction of following of smooth ball (2) is opened there is the through-hole, smooth ball (2) surface has nine rows of annular archs that are parallel to each other, be the line contact high pair between the annular arch of smooth ball (2) and the slide to form the wedge clearance of convergence in relative reciprocating motion's in-process, consequently establish elastic fluid dynamic pressure oil film easily between smooth ball (2) and the slide, friction loss is little, the contact part processing of the annular arch of smooth ball (2) and slide has little pit, and little pit distributes in the bellied both sides of annular, can exert the oil storage, hold the wearing and tearing granule effect, is convenient for realize the secondary lubrication between smooth ball (2) and the main fitting surface of slide.
The three-fork-rod output shaft (3) is composed of metal reinforced graphite packing (301) and a three-fork-rod (302), eight grooves are cut in the outer surface of the three-fork-rod output shaft (3) along the axis direction of the fork rod, and the metal reinforced graphite packing (301) is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
In the working process, power and torque are input to the input shaft (1), the power and torque are transmitted to the three-fork rod output shaft (3) through the sliding ball (2), the three-fork rod output shaft (3) is driven to move, the universal coupling is operated, in the transmission process, the annular bulge of the sliding ball (2) can slide in a reciprocating mode in the axial direction of the input shaft (1) in the sliding way to form a convergent wedge-shaped gap, an elastic fluid dynamic pressure oil film is easily established between the annular bulge of the sliding ball (2) and the sliding way, friction loss is small, micro pits are distributed on two sides of the annular bulge, the oil storage and abrasion particle containing effects can be achieved, secondary lubrication between the main matching surfaces of the sliding ball (2) and the sliding way is facilitated, the lubricating performance of the coupling during working is improved, and abrasion consumption is reduced.
Claims (3)
1. The utility model provides a three fork pole sliding ball formula universal joint based on little texture technique 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 slide that 120 distributes to open on the cylindric, ballball (2) have three sets, installs respectively on three slide, ballball (2) are in follow in the slide of input shaft (1) the axis direction reciprocating sliding 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 tri-fork rod sliding ball type universal coupling based on the micro-texture technology as claimed in claim 1, wherein: the inside diameter direction of following of smooth ball (2) is opened there is the through-hole, smooth ball (2) surface has nine rows of annular archs that are parallel to each other, be the line contact high pair between the annular arch of smooth ball (2) and the slide to form the wedge clearance of convergence in relative reciprocating motion's in-process, consequently establish elastic fluid dynamic pressure oil film easily between smooth ball (2) and the slide, friction loss is little, the contact part processing of the annular arch of smooth ball (2) and slide has little pit, and little pit distributes in the bellied both sides of annular, can exert the oil storage, hold the wearing and tearing granule effect, is convenient for realize the secondary lubrication between smooth ball (2) and the main fitting surface of slide.
3. The tri-fork rod sliding ball type universal coupling based on the micro-texture technology as claimed in claim 1, wherein: the three-fork-rod output shaft (3) is composed of metal reinforced graphite packing (301) and a three-fork-rod (302), eight grooves are cut in the outer surface of the three-fork-rod output shaft (3) along the axis direction of the fork rod, and the metal reinforced graphite packing (301) is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806938.6U CN213839328U (en) | 2020-11-27 | 2020-11-27 | Three-fork rod sliding ball type universal coupling based on micro-texture technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806938.6U CN213839328U (en) | 2020-11-27 | 2020-11-27 | Three-fork rod sliding ball type universal coupling based on micro-texture technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839328U true CN213839328U (en) | 2021-07-30 |
Family
ID=76994426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022806938.6U Expired - Fee Related CN213839328U (en) | 2020-11-27 | 2020-11-27 | Three-fork rod sliding ball type universal coupling based on micro-texture technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839328U (en) |
-
2020
- 2020-11-27 CN CN202022806938.6U patent/CN213839328U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |