CN212775230U - Duplex type three-fork rod sliding ball type universal coupling - Google Patents
Duplex type three-fork rod sliding ball type universal coupling Download PDFInfo
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- CN212775230U CN212775230U CN202021528807.XU CN202021528807U CN212775230U CN 212775230 U CN212775230 U CN 212775230U CN 202021528807 U CN202021528807 U CN 202021528807U CN 212775230 U CN212775230 U CN 212775230U
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- sliding ball
- fork rod
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- fork
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- 238000010168 coupling process Methods 0.000 title claims abstract description 54
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 54
- 230000008878 coupling Effects 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000003116 impacting effect Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 10
- 238000000429 assembly Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005461 lubrication Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The utility model relates to a pair of type trident pole sliding ball formula universal joint, include: the sliding ball assembly comprises an input shaft, a coupling main body, sliding ball assemblies, three fork rod assemblies, an output shaft and a fixed bearing, wherein the coupling main body is provided with two sets, a face-to-face installation mode is adopted, the fixed bearing is provided with two sets which are respectively connected with the input shaft and one end of the output shaft, the other end of the input shaft is connected with one set of the coupling main body and two sets of the coupling main body is respectively provided with three sets of sliding ball slideways distributed by 120 degrees, the sliding ball assemblies are provided with six sets which are respectively arranged on the six sets of sliding ball slideways, three fork rods distributed by 120 degrees are respectively arranged on two sides of each of the three fork rod assemblies, and the sliding ball assemblies are matched with. The utility model has the advantages of simple structure, the convenience is installed and removed in the manufacturing, and frictional loss is little, and convenient lubrication, transmission ability reinforce etc. are showing, can be adapted to more complicated transmission scene.
Description
Technical Field
The utility model relates to a shaft coupling field, concretely relates to pair type trident pole sliding ball formula universal joint.
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. However, the wear resistance of the coupler is not outstanding, the wear condition is severe when the coupler works for a long time, the cross-axle type universal coupler is not suitable for occasions with high speed and overlarge included angle between axles, although the rzeppa type universal coupler can realize the transmission of large torque and is in constant angular speed transmission, the universal coupler has the defects of complex structure, high machining precision requirement, restricted application range and the like. The invention discloses a duplex three-fork rod sliding ball type universal coupling which aims to overcome the defects in the prior constant angular velocity universal coupling technology, effectively reduce abrasion consumption and prolong the service life of the coupling. The duplex three-fork rod sliding ball type universal coupling has the remarkable advantages of simple structure, convenience in manufacturing, processing, assembling and disassembling, convenience in maintenance, low friction loss, low manufacturing cost, convenience in lubrication, high transmission capability and the like, and can be suitable for more complex transmission scenes.
Disclosure of Invention
The utility model aims at providing a pair of type trident pole sliding ball formula universal joint, simple structure, the manufacturing and processing with install and remove the convenience, easy maintenance, frictional loss is little, the cost of manufacture is low, convenient lubrication, the operation is reliable, transmission capacity is strong. The utility model discloses the technical scheme who adopts does: a duplex type three fork rod sliding ball type universal coupling comprises: the sliding ball assembly comprises an input shaft, a coupling main body, sliding ball assemblies, three fork rod assemblies, an output shaft and a fixed bearing, wherein the coupling main body is provided with two sets, a face-to-face installation mode is adopted, the fixed bearing is provided with two sets which are respectively connected with the input shaft and one end of the output shaft, the other end of the input shaft is connected with one set of the coupling main body and two sets of the coupling main body is respectively provided with three sets of sliding ball slideways distributed by 120 degrees, the sliding ball assemblies are provided with six sets which are respectively arranged on the six sets of sliding ball slideways, three fork rods distributed by 120 degrees are respectively arranged on two sides of each of the three fork rod assemblies, and the sliding ball assemblies are matched with.
The coupler body comprises sleeve, circular arc elastic diaphragm, it has three groups to be the smooth ball slide that 120 distribute to open on the sleeve, circular arc elastic diaphragm fixes the bottom of coupler body prevents that the motion in-process three fork arm subassembly from striking the coupler body.
The sliding ball component is composed of a sliding ball base body and a metal reinforced graphite packing A, a through hole is formed in the sliding ball base body along the diameter direction, six grooves are cut in the outer surface along the axis direction of the through hole, and the metal reinforced graphite packing A is added in the grooves, so that the friction force is reduced, and the sliding ball component has self-lubricating performance.
The three-fork rod component consists of a three-fork rod A, a three-fork rod B, a metal reinforced graphite packing B, a shaft end retainer ring, a spring washer and a bolt, the two sets of shaft end retainer rings are respectively connected with the outer ends of the three-fork rod A and the three-fork rod B through the bolts and the spring washers to play a role in axially positioning the three-fork rod assembly, the three-fork rod A is provided with a cylindrical hole which is matched with the solid shaft of the three-fork rod B to form a piston structure, so that the solid shaft of the three-fork rod B slides in the cylindrical hole, thereby realizing the length adjustment and meeting the large axial displacement compensation of the duplex three-fork rod sliding ball type universal coupling, the three-fork rod assembly is arranged along the axial direction of the fork rod, eight grooves are cut on the outer surface, 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.
When the input shaft and the output shaft rotate at deflection angles, the sliding ball assembly slides in a sliding ball slide way of the coupler main body in a reciprocating mode along the axial direction of the input shaft and the axial direction of the output shaft, and therefore angle compensation and radial displacement compensation of the duplex three-fork rod sliding ball type universal coupler are met.
The coupler main body is matched with the three-fork rod assembly through the sliding ball assembly, a face-to-face installation mode is adopted, the quasi-constant angular speed transmission characteristic of a single universal coupler is solved, and the complete constant angular speed transmission when a transmission system has a deflection angle is realized.
When the duplex three-fork rod sliding ball type universal coupling moves independently, the input shaft and the output shaft are driven alternately according to the torque transmission direction.
The utility model has the advantages that: simple structure, convenient manufacture, assembly and disassembly, convenient maintenance, small friction loss, low manufacturing cost, convenient lubrication, reliable operation and strong transmission capability. 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 sliding ball and the three-fork rod are structurally optimized, the friction force is reduced, the self-lubricating performance is improved, the angle compensation and the radial displacement compensation of a transmission system are effectively realized through a duplex structure, and meanwhile, the telescopic three-fork rod structure is adopted, so that the axial displacement compensation is realized.
The following describes the present invention in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is the utility model discloses a pair type trident pole sliding ball formula universal joint overall structure sketch map.
Fig. 2 is a schematic diagram of a main structure of a coupler of a duplex three-fork-rod sliding ball type universal coupler.
Fig. 3 is a schematic structural diagram of a sliding ball assembly of a duplex three-fork-rod sliding ball type universal coupling of the present invention.
Fig. 4 is a schematic structural view of a three-fork rod assembly of a duplex three-fork rod sliding ball type universal coupling of the present invention.
Fig. 5 is a schematic structural diagram of a three-fork rod a of a duplex three-fork rod sliding ball type universal coupling of the present invention.
Fig. 6 is a schematic structural diagram of a three-fork rod B of a duplex three-fork rod sliding ball type universal coupling of the present invention.
In the figure: 1. the coupling comprises an input shaft 2, a coupling body 3, a sliding ball assembly 4, a three-fork rod assembly 5, an output shaft 6, a fixed bearing 201, a sleeve 202, an arc-shaped elastic diaphragm 301, a sliding ball base body 302, a metal reinforced graphite packing A401, a three-fork rod A402, a three-fork rod B403, a metal reinforced graphite packing B404, a shaft end retainer ring 405, a spring washer 406 and a bolt
Detailed Description
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a double-linkage type three-fork rod sliding ball type universal coupling comprises: input shaft (1), shaft coupling main part (2), smooth ball subassembly (3), trident pole subassembly (4), output shaft (5), fixed bearing (6), shaft coupling main part (2) have two sets, adopt face-to-face mounting means, fixed bearing (6) have two sets respectively with input shaft (1) with the one end of output shaft (5) is connected, the other end of input shaft (1) is connected one set shaft coupling main part (2), two sets shaft coupling main part (2) are opened respectively that three groups are the smooth ball slide that 120 distribute, smooth ball subassembly (3) have six sets, install respectively on six groups smooth ball slide, trident pole subassembly (4) both sides respectively have three to be the fork arm that 120 distribute, smooth ball subassembly (3) with the cooperation of the three fork arm of trident pole subassembly (4).
The coupler body (2) is composed of a sleeve (201) and an arc-shaped elastic membrane (202), three groups of sliding ball slide ways distributed at 120 degrees are arranged on the sleeve (201), and the arc-shaped elastic membrane (202) is fixed at the bottom of the coupler body (2) to prevent the three-fork rod assembly (4) from impacting the coupler body (2) in the motion process.
The sliding ball component (3) is composed of a sliding ball base body (301) and a metal reinforced graphite packing A (302), a through hole is formed in the sliding ball base body (301) along the diameter direction, six grooves are cut in the outer surface along the axis direction of the through hole, and the metal reinforced graphite packing A (302) is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
The three-fork rod assembly (4) consists of a three-fork rod A (401), a three-fork rod B (402), a metal reinforced graphite packing B (403), shaft end check rings (404), spring washers (405) and bolts (406), the number of the shaft end check rings (404) is two, the shaft end check rings (404) are respectively connected with the outer ends of the three-fork rod A (401) and the three-fork rod B (402) through the bolts (406) and the spring washers (405) to play a role in axially positioning the three-fork rod assembly (4), a cylindrical hole is formed in the three-fork rod A (401), the cylindrical hole is matched with a solid shaft of the three-fork rod B (402) to form a piston structure, sliding of the solid shaft of the three-fork rod B (402) in the cylindrical hole is realized, length adjustment is realized, large axial displacement compensation of a double-coupling type three-fork rod sliding ball type universal coupling is met, and the three-fork rod assembly (4) is arranged along the axial direction of the three-fork, eight grooves are cut on the outer surface, and metal reinforced graphite packing B (403) is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
When the input shaft (1) and the output shaft (5) rotate at deflection angles, the sliding ball assembly (3) slides in a sliding ball slide way of the coupler main body (2) along the axial directions of the input shaft (1) and the output shaft (5) in a reciprocating manner, and the angle compensation and the radial displacement compensation of the duplex three-fork rod sliding ball type universal coupler are met.
The coupler main body (2) is matched with the three-fork rod assembly (4) through the sliding ball assembly (3) and adopts a face-to-face installation mode, so that the quasi-constant angular speed transmission characteristic of a single universal coupler is solved, and the complete constant angular speed transmission when a deflection angle exists in a transmission system is realized.
The input shaft (1) is applied with torque and moves to drive the shaft coupling main body (2) to rotate, the power is transmitted to the three-fork rod assembly (4) through the sliding ball assembly (3), the power is transmitted to the other set of the shaft coupling main body (2) through the three-fork rod assembly (4), then the power is transmitted to the output shaft (5), equal angular speed transmission is realized, when the input shaft (1) and the output shaft (5) have deflection angles, the sliding ball assembly (3) can rotate in a sliding ball slideway and slide in a reciprocating manner along the axial direction of the input shaft (1), meanwhile, the power is transmitted to the three-fork rod assembly (4), the three-fork rod assembly (4) transmits the power to the other set of the shaft coupling main body (2) and then transmits to the output shaft (5), and the angle compensation and the radial displacement compensation of a transmission system are effectively realized, and meanwhile, the three-fork rod assembly (4) adopts a telescopic three-fork rod structure, so that axial displacement compensation is realized, and when the duplex three-fork rod sliding ball type universal coupling moves independently, the input shaft (1) and the output shaft (5) are driven alternately.
Claims (7)
1. The utility model provides a pair of type trident pole sliding ball formula universal joint which characterized in that: including input shaft (1), shaft coupling main part (2), smooth ball subassembly (3), trident pole subassembly (4), output shaft (5), fixed bearing (6), shaft coupling main part (2) have two sets, adopt face-to-face mounting means, fixed bearing (6) have two sets respectively with input shaft (1) with the one end of output shaft (5) is connected, the other end of input shaft (1) is connected one set shaft coupling main part (2), two sets shaft coupling main part (2) are opened respectively that three groups are the smooth ball slide that 120 distribute, smooth ball subassembly (3) have six sets, install respectively on six groups smooth ball slide, trident pole subassembly (4) both sides respectively have three to be the fork arm that 120 distribute, smooth ball subassembly (3) with the cooperation of three fork arm of trident pole subassembly (4).
2. The duplex type three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: the coupler body (2) is composed of a sleeve (201) and an arc-shaped elastic membrane (202), three groups of sliding ball slide ways distributed at 120 degrees are arranged on the sleeve (201), and the arc-shaped elastic membrane (202) is fixed at the bottom of the coupler body (2) to prevent the three-fork rod assembly (4) from impacting the coupler body (2) in the motion process.
3. The duplex type three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: the sliding ball component (3) is composed of a sliding ball base body (301) and a metal reinforced graphite packing A (302), a through hole is formed in the sliding ball base body (301) along the diameter direction, six grooves are cut in the outer surface along the axis direction of the through hole, and the metal reinforced graphite packing A (302) is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
4. The duplex type three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: the three-fork rod assembly (4) consists of a three-fork rod A (401), a three-fork rod B (402), a metal reinforced graphite packing B (403), shaft end check rings (404), spring washers (405) and bolts (406), the number of the shaft end check rings (404) is two, the shaft end check rings (404) are respectively connected with the outer ends of the three-fork rod A (401) and the three-fork rod B (402) through the bolts (406) and the spring washers (405) to play a role in axially positioning the three-fork rod assembly (4), a cylindrical hole is formed in the three-fork rod A (401), the cylindrical hole is matched with a solid shaft of the three-fork rod B (402) to form a piston structure, sliding of the solid shaft of the three-fork rod B (402) in the cylindrical hole is realized, length adjustment is realized, large axial displacement compensation of a double-coupling type three-fork rod sliding ball type universal coupling is met, and the three-fork rod assembly (4) is arranged along the axial direction of the three-fork, eight grooves are cut on the outer surface, and metal reinforced graphite packing B (403) is added in the grooves, so that the friction force is reduced, and the self-lubricating performance is realized.
5. The duplex type three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: when the input shaft (1) and the output shaft (5) rotate at deflection angles, the sliding ball assembly (3) slides in a sliding ball slide way of the coupler main body (2) along the axial directions of the input shaft (1) and the output shaft (5) in a reciprocating manner, and the angle compensation and the radial displacement compensation of the duplex three-fork rod sliding ball type universal coupler are met.
6. The duplex type three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: when the duplex three-fork rod sliding ball type universal coupling independently moves, the input shaft (1) and the output shaft (5) are driven alternately according to the torque transmission direction.
7. The duplex type three-fork rod sliding ball type universal coupling as claimed in claim 1, wherein: the coupler main body (2) is matched with the three-fork rod assembly (4) through the sliding ball assembly (3) and adopts a face-to-face installation mode, so that the quasi-constant angular speed transmission characteristic of a single universal coupler is solved, and the complete constant angular speed transmission when a deflection angle exists in a transmission system is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021528807.XU CN212775230U (en) | 2020-07-29 | 2020-07-29 | Duplex type three-fork rod sliding ball type universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021528807.XU CN212775230U (en) | 2020-07-29 | 2020-07-29 | Duplex type three-fork rod sliding ball type universal coupling |
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| Publication Number | Publication Date |
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| CN212775230U true CN212775230U (en) | 2021-03-23 |
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| CN202021528807.XU Expired - Fee Related CN212775230U (en) | 2020-07-29 | 2020-07-29 | Duplex type three-fork rod sliding ball type universal coupling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258064A (en) * | 2022-08-02 | 2022-11-01 | 上海科泽智慧环境科技有限公司 | Water quality detection device |
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2020
- 2020-07-29 CN CN202021528807.XU patent/CN212775230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258064A (en) * | 2022-08-02 | 2022-11-01 | 上海科泽智慧环境科技有限公司 | Water quality detection device |
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| GR01 | Patent grant | ||
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Granted publication date: 20210323 Termination date: 20210729 |