CN110748575B - Universal fluid transmission joint capable of transmitting torque and connecting structure thereof - Google Patents
Universal fluid transmission joint capable of transmitting torque and connecting structure thereof Download PDFInfo
- Publication number
- CN110748575B CN110748575B CN201911159800.7A CN201911159800A CN110748575B CN 110748575 B CN110748575 B CN 110748575B CN 201911159800 A CN201911159800 A CN 201911159800A CN 110748575 B CN110748575 B CN 110748575B
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- Prior art keywords
- shaft
- fork
- communicated
- oil
- shafts
- 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.)
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- 239000012530 fluid Substances 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 title abstract description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims 44
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints; Joints allowing movement
- F16L27/08—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/087—Joints with radial fluid passages
- F16L27/093—Joints with radial fluid passages of the "banjo" type, i.e. pivoting right-angle couplings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a universal fluid transmission joint capable of transmitting torque and a connecting structure thereof, wherein the joint comprises a cross shaft and two fork shafts which are respectively and oppositely staggered, two fork surfaces of the fork shafts are respectively and rotatably connected with a group of two shafts which are oppositely arranged and coaxially in the cross shaft, and annular grooves are respectively arranged at the joints of the cross shaft and the fork shafts; the cross shaft is characterized in that a fork shaft oil inlet pipeline and a fork shaft oil return pipeline which are not mutually communicated are respectively arranged on the fork shaft, the fork shaft oil inlet pipeline and the fork shaft oil return pipeline are respectively communicated with corresponding annular grooves, cross shaft oil inlet pipelines which are mutually communicated are respectively processed in two shafts which are adjacent to each other and are vertical to each other, cross shaft oil return pipelines which are mutually communicated are respectively processed in two shafts which are adjacent to each other and are vertical to each other, and the cross shaft oil inlet pipeline and the cross shaft oil return pipeline are respectively communicated with corresponding annular grooves. The invention can realize the fluid input and output between two synchronous rotating parts of different shafts.
Description
Technical Field
The invention relates to a connecting joint, in particular to a universal fluid transmission joint capable of transmitting torque and a connecting structure thereof.
Background
Currently, in order to achieve fluid transfer between two parts that are not coaxial and have a synchronous rotational movement, it is necessary to implement this in a manner that, in the event of a coupling transferring torque, a hose is tied to the coupling. The hose has the defects of one positive and negative bending of the hose per revolution, low service life, easy leakage, incapability of balancing and difficult increase of rotating speed.
Disclosure of Invention
According to the technical problem, a universal fluid transmission joint capable of transmitting torque and a connecting structure thereof are provided. The invention adopts the following technical means:
The universal fluid transmission joint capable of transmitting torque comprises a cross shaft and two fork shafts which are respectively and oppositely staggered, wherein two fork surfaces of one fork shaft are respectively and rotatably connected with two shafts which are oppositely arranged in one group of the cross shaft, two fork surfaces of the other fork shaft are respectively and rotatably connected with two shafts which are oppositely arranged in the other group of the cross shaft, and annular grooves are formed in the joint of the cross shaft and the fork shafts;
The cross shaft is provided with a cross shaft oil inlet pipeline and a cross shaft oil return pipeline which are not communicated with each other, wherein two adjacent shafts of the cross shaft are respectively provided with a cross shaft oil inlet pipeline which is communicated with each other, and the two adjacent shafts are respectively provided with a cross shaft oil return pipeline which is communicated with each other; the cross shaft oil inlet pipeline and the cross shaft oil return pipeline are respectively communicated with the annular groove on the shaft where the cross shaft oil inlet pipeline and the cross shaft oil return pipeline are positioned;
one end of the fork shaft oil inlet pipeline is communicated with the corresponding annular groove, and the other end of the fork shaft oil inlet pipeline is communicated with the outside;
One end of the fork shaft oil return pipeline is communicated with the annular groove corresponding to the fork shaft oil return pipeline, and the other end of the fork shaft oil return pipeline is communicated with the outside.
And limiting snap rings for preventing the fork shafts from falling off are respectively arranged on the cross shafts.
And sealing rings I are arranged on two sides of the annular groove.
A connecting structure comprising a direct shaft, wherein two ends of the direct shaft are respectively connected with an oil supply end and an oil utilization end through the connectors;
one end, far away from the cross shaft, of each fork shaft in one joint is connected with the end face of the direct shaft and the oil supply end or the oil utilization end respectively;
the direct shaft is respectively provided with a direct shaft oil inlet pipeline and a direct shaft oil return pipeline;
One end of the direct shaft oil inlet pipeline is communicated with one end of one of the fork shaft oil inlet pipelines in one of the joints, which is communicated with the outside, and one end of the other fork shaft oil inlet pipeline in the joint, which is communicated with the outside, is communicated with an oil outlet of the oil supply end; the other end of the direct shaft oil inlet pipeline is communicated with one end, communicated with the outside, of another fork shaft oil inlet pipeline in the other joint, and one end, communicated with the outside, of the other fork shaft oil inlet pipeline in the joint is communicated with an oil inlet of the oil utilization end;
One end of the direct shaft oil return pipeline is communicated with one end of one fork shaft oil return pipeline in one of the joints, which is communicated with the outside, and one end of the other fork shaft oil return pipeline in the joint, which is communicated with the outside, is communicated with an oil return port of the oil supply end; the other end of the direct shaft oil return pipeline is communicated with one end, communicated with the outside, of another fork shaft oil return pipeline in the other connector, and one end, communicated with the outside, of the other fork shaft oil return pipeline in the other connector is communicated with an oil return port of the oil utilization end.
Further, a plurality of direct shafts can be adopted according to the use condition, the direct shafts are sequentially connected in series through the connectors, and the end parts of the two direct shafts arranged at the two ends are respectively connected with the oil supply end and the oil utilization end through the connectors.
Further, the fork shaft is formed by splicing two half fork shafts, the fork shaft oil inlet pipeline is arranged in one half fork shaft, the fork shaft oil return pipeline is arranged in the other half fork shaft, and the two half fork shafts are fixedly connected through the connecting accessory.
Further, the half fork shaft is far away from the protruding rectangular surface of processing on the one end external diameter of cross, and two the rectangular surface concatenation of half fork shaft is square, the half fork shaft keep away from the one end of cross has cup jointed a pair of half flange, just the processing on the half flange have with rectangular surface assorted rectangular groove, two the half flange concatenation is for being circular flange, the both ends of direct axle be fixed with respectively with flange matched with direct axle flange, the rectangular surface is installed by the locating pin location in the rectangular groove, half flange pass through the bolt with direct axle flange fixed connection, and will the rectangular surface compresses tightly in the rectangular groove, the oil feed end with all be fixed with on the oil end with flange matched with equipment end flange, just equipment end flange with the flange passes through bolt fixed connection.
Further, sealing rings II are arranged between the flange and the direct shaft flange and between the flange and the equipment end flange.
The fork shaft in the joint provided by the invention can rotate around the cross shaft by a small angle, and fluid input and output between two different shaft parts can be realized through the joint.
For the reasons, the invention can be widely popularized in the fields of connecting shafts and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a front view of torque transmissible universal fluid transfer joint in accordance with embodiments 1-5 of the present invention.
Fig. 2 is a perspective view of fig. 1.
Fig. 3 is a sectional view taken along the direction I-I in fig. 1.
Fig. 4 is a schematic diagram showing the structure of the oil end and the oil supply end for connecting the universal fluid transfer joint capable of transmitting torque in embodiment 1 of the present invention.
Fig. 5 is a front view of a connection structure in embodiments 2 to 3 of the present invention.
Fig. 6 is a perspective view of a connecting structure in embodiments 2 to 3 of the present invention.
Fig. 7 is a top perspective view of fig. 5.
Fig. 8 is a cross-sectional view taken in direction II-II of fig. 7.
Fig. 9 is a cross-sectional view taken in direction III-III of fig. 6.
Fig. 10 is a cross-sectional view taken along IV-IV in fig. 6.
Fig. 11 is a V-V cross-sectional view of fig. 6.
Fig. 12 is an enlarged view of the VI portion in fig. 10.
Fig. 13 is a schematic diagram showing the structure of a connecting structure for connecting the oil end and the oil supply end in embodiment 2 of the present invention.
In the figure:
1. A joint;
11. a cross shaft; 111. an annular groove; 112. a cross shaft oil inlet pipeline; 113. a cross axle oil return pipeline;
12. A fork shaft; a 121 fork face; 122. a fork shaft oil inlet pipeline; 123. a fork shaft oil return pipeline; 124. a half fork shaft; 125. connecting accessories; 126. rectangular surfaces; 127. a half flange; 128. a direct shaft flange; 129. a positioning pin;
13. A limiting snap ring;
14. A sealing ring I;
2. An oil supply end; 21. an oil outlet of the oil supply end; 22. an oil return port of the oil supply end; 23. an equipment end flange; 24. a sealing ring II;
3. an oil end; 31. an oil inlet at the oil end; 32. an oil return port at the oil end;
4. A direct shaft;
41. A direct shaft oil feed line;
42. a direct shaft oil return line;
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 4, the universal fluid transmission joint capable of transmitting torque, the joint 1 comprises a cross shaft 11 and two fork shafts 12 which are respectively and oppositely staggered, wherein two fork surfaces 121 of one fork shaft 12 are respectively and rotatably connected with two shafts which are oppositely arranged in one group of the cross shaft 11, two fork surfaces 121 of the other fork shaft 12 are respectively and rotatably connected with two shafts which are oppositely arranged in the other group of the cross shaft 11, and annular grooves 111 are respectively arranged at the connection parts of the cross shaft 11 and the fork shafts 12;
The fork shaft 12 is respectively provided with a fork shaft oil inlet pipeline 122 and a fork shaft oil return pipeline 123 which are not mutually communicated, two adjacent shafts of the cross shaft 11 are respectively provided with a cross shaft oil inlet pipeline 112 which is mutually communicated, and two adjacent shafts are respectively provided with a cross shaft oil return pipeline 113 which is mutually communicated; both ends of the cross shaft oil inlet pipeline 112 and both ends of the cross shaft oil return pipeline 113 are respectively communicated with the annular groove 111 on the shaft where the cross shaft oil inlet pipeline 112 and the cross shaft oil return pipeline 113 are positioned;
One end of the fork shaft oil inlet pipeline 122 is communicated with the corresponding annular groove 111, and the other end of the fork shaft oil inlet pipeline 122 is communicated with the outside;
One end of the fork shaft oil return pipeline 123 is communicated with the corresponding annular groove 111, and the other end of the fork shaft oil return pipeline 123 is communicated with the outside.
The cross shaft 11 is respectively provided with a limiting snap ring 13 for preventing the fork shaft 12 from falling off.
Sealing rings I14 are arranged on two sides of the annular groove 111.
One end of one fork shaft oil inlet pipeline 122, which is communicated with the outside, of the two fork shaft oil inlet pipelines 122 can be communicated with the oil outlet 21 of the oil supply end 2, and the other end of the other fork shaft oil inlet pipeline 122, which is communicated with the outside, is communicated with the oil inlet 31 of the oil utilization end 3;
one end of one fork shaft oil return pipeline 123 communicated with the outside world can be communicated with an oil return port 22 of an oil supply end 2, and the other end of the other fork shaft oil return pipeline 123 communicated with the outside world is communicated with an oil outlet 32 of an oil utilization end 3;
The oil consumption end 3 and the oil supply end 2 are fixed in position in three-dimensional space, and the oil inlet 31 or the oil outlet 32 of the oil consumption end 3 and the oil outlet 21 or the oil return opening 22 of the oil supply end 2 are respectively and synchronously rotated around the axes of the fixed positions of the oil consumption end 3 and the oil supply end 2, so that a plane included angle is formed between the axes of the oil consumption end 3 and the oil supply end 2 and kept unchanged in the process of connecting by using the joint 1, and bidirectional fluid conveying and torque transferring between the oil consumption end 3 and the oil supply end 2 with different axes can be realized.
Example 2
As shown in fig. 1 to 3 and 5 to 13, a connecting structure comprises a direct shaft, wherein two ends of the direct shaft 4 are fixedly connected with an oil supply end 2 and an oil utilization end 3 through the connector 1 in the embodiment 1 respectively;
One end of each fork shaft 12 far away from the cross shaft 11 is fixedly connected with the end face of the direct shaft 4 and the oil supply end 2 or the oil utilization end 3 respectively;
a direct shaft oil inlet pipeline 41 and a direct shaft oil return pipeline 42 are respectively arranged in the direct shaft 4;
One end of the direct shaft oil inlet pipeline 41 is communicated with one end of one of the fork shaft oil inlet pipelines 122 in one of the joints 1, which is communicated with the outside, and one end of the other fork shaft oil inlet pipeline 122 in the joint 1, which is communicated with the outside, is communicated with the oil outlet 21 of the oil supply end 2; the other end of the direct shaft oil inlet pipeline 41 is communicated with one end of another fork shaft oil inlet pipeline 122 in the other joint 1, which is communicated with the outside, and one end of the other fork shaft oil inlet pipeline 122 in the joint 1, which is communicated with the outside, is communicated with the oil inlet 31 of the oil utilization end 3;
One end of the direct shaft oil return line 42 is communicated with one end of one of the fork shaft oil return lines 123 in one of the joints 1, which is communicated with the outside, and one end of the other fork shaft oil return line 123 in the other joint 1, which is communicated with the outside, is communicated with the oil return port 22 of the oil supply end 2; the other end of the direct shaft oil return line 42 is communicated with one end of another fork shaft oil return line 123 in the other joint 1, which is communicated with the outside, and one end of the other fork shaft oil return line 123 in the joint 1, which is communicated with the outside, is communicated with the oil return port 32 of the oil end 3.
The fork shaft 12 is formed by splicing two half fork shafts 124, wherein one half fork shaft 124 is internally provided with the fork shaft oil inlet pipeline 122, the other half fork shaft 124 is internally provided with the fork shaft oil return pipeline 123, and the two half fork shafts 124 are fixedly connected through the connecting accessory 125.
Further, the outer diameter of one end of the half fork shaft 124 far away from the cross shaft 11 is provided with a protruding rectangular surface 126, the two rectangular surfaces 126 of the two half fork shafts 124 are spliced into a square, one end of the half fork shaft 124 far away from the cross shaft 11 is sleeved with a half flange 127, the inner edge of the half flange 127 is provided with a rectangular groove matched with the rectangular surface 126, the two half flanges 127 are spliced into a flange with a circular outer edge, two ends of the direct shaft 4 are respectively fixed with a direct shaft flange 128 matched with the flange, the rectangular surfaces 126 are installed in the rectangular groove, oil holes on planes of the rectangular surfaces 126 and the paired flanges 128 are positioned by positioning pins 129, the half flange 127 is fixedly connected with the direct shaft flange 128 through bolts, the rectangular surfaces 126 are pressed in the rectangular groove, the oil supply end 2 and the oil utilization end 3 are both fixedly provided with an equipment end flange 23 matched with the flange, and the equipment end 23 is fixedly connected with the flange through bolts. Torque is transmitted by the dowel 129 and the rectangular face 126.
Further, a sealing ring II24 is disposed between the rectangular surface 126 and the direct shaft flange 128, and between the rectangular surface 126 and the equipment end flange 23.
The four annular grooves on one of the cross shafts 11 are respectively an annular groove a, an annular groove b, an annular groove c and an annular groove d; the cross oil inlet pipe 112 on the cross 11 is a cross oil inlet pipe E, and the cross oil return pipe 113 on the cross 11 is a cross oil return pipe E'. The four annular grooves on the other cross shaft 11 are respectively an annular groove e, an annular groove f, an annular groove g and an annular groove h; the cross oil inlet pipe 112 on the cross 11 is a cross oil inlet pipe F, and the cross oil return pipe 113 on the cross 11 is a cross oil return pipe F'.
Two fork shaft oil inlet pipelines 122 on one of the joints 1 are respectively a fork shaft oil inlet pipeline A and a fork shaft oil inlet pipeline B; the two fork shaft oil return pipelines 123 on the joint are respectively a fork shaft oil return pipeline A 'and a fork shaft oil return pipeline B'; two fork shaft oil inlet pipelines 122 on the other joint 1 are respectively a fork shaft oil inlet pipeline C and a fork shaft oil inlet pipeline D; the two fork shaft oil return pipelines 123 on the joint are a fork shaft oil return pipeline C 'and a fork shaft oil return pipeline D', respectively;
In this embodiment, the flowing sequence of the fluid in the oil inlet direction is as follows: an oil outlet 21 of the oil supply end 2, a fork shaft oil inlet pipeline A, an annular groove a, a cross shaft oil inlet pipeline E, an annular groove B, a fork shaft oil inlet pipeline B, a middle shaft oil inlet pipeline 41, a fork shaft oil inlet pipeline C, an annular groove E, a cross shaft oil inlet pipeline F, an annular groove F, a fork shaft oil inlet pipeline D and an oil inlet 31 of the oil utilization end 3.
In this embodiment, the flowing sequence of the fluid in the oil return direction is as follows: the oil return port 32 of the oil end 3, the fork shaft oil return pipeline D ', the annular groove g, the cross shaft oil return pipeline F', the annular groove h, the fork shaft oil return pipeline C ', the intermediate shaft oil return pipeline 42, the fork shaft oil return pipeline B', the annular groove D, the cross oil return pipeline E ', the annular groove C, the fork shaft oil return pipeline A' and the oil return port 22 of the oil supply end 2 are used.
In this embodiment, the oil end 3 rotates, and the oil supply end 2 rotates synchronously with the oil end 3. The axes of the oil end 3 and the oil supply end 2 are not overlapped to form a different-plane straight line. The bidirectional fluid transmission and torque transmission between the oil end 3 and the oil supply end 2 which are not coaxial can be realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. A torque transmissible universal fluid transfer joint, characterized by: the connector comprises a cross shaft and two fork shafts which are respectively and oppositely staggered, wherein two fork surfaces of one fork shaft are respectively and rotatably connected with two shafts which are oppositely arranged in one group of the cross shaft, two fork surfaces of the other fork shaft are respectively and rotatably connected with two shafts which are oppositely arranged in the other group of the cross shaft, and annular grooves are formed in the joint of the cross shaft and the fork shafts;
The cross shaft is provided with a cross shaft oil inlet pipeline and a cross shaft oil return pipeline which are not communicated with each other, wherein two adjacent shafts of the cross shaft are respectively provided with a cross shaft oil inlet pipeline which is communicated with each other, and the two adjacent shafts are respectively provided with a cross shaft oil return pipeline which is communicated with each other; the cross shaft oil inlet pipeline and the cross shaft oil return pipeline are respectively communicated with the annular groove on the shaft where the cross shaft oil inlet pipeline and the cross shaft oil return pipeline are positioned;
one end of the fork shaft oil inlet pipeline is communicated with the corresponding annular groove, and the other end of the fork shaft oil inlet pipeline is communicated with the outside;
One end of the fork shaft oil return pipeline is communicated with the annular groove corresponding to the fork shaft oil return pipeline, and the other end of the fork shaft oil return pipeline is communicated with the outside.
2. The torque transmissible universal fluid transfer joint of claim 1, wherein: and limiting snap rings for preventing the fork shafts from falling off are respectively arranged on the cross shafts.
3. The torque transmissible universal fluid transfer joint of claim 1, wherein: sealing rings I are arranged on two sides of the annular groove.
4. A connection structure, characterized in that: the hydraulic oil pump comprises a direct shaft, wherein two ends of the direct shaft are respectively connected with the joint of any one of claims 1-3, and two fork shafts which are respectively far away from one end of the direct shaft in the two joints are respectively connected with an oil supply end and an oil utilization end;
the direct shaft is respectively provided with a direct shaft oil inlet pipeline and a direct shaft oil return pipeline;
One end of the direct shaft oil inlet pipeline is communicated with one end of one of the fork shaft oil inlet pipelines in one of the joints, which is communicated with the outside, and one end of the other fork shaft oil inlet pipeline in the joint, which is communicated with the outside, is communicated with an oil outlet of the oil supply end; the other end of the direct shaft oil inlet pipeline is communicated with one end, communicated with the outside, of another fork shaft oil inlet pipeline in the other joint, and one end, communicated with the outside, of the other fork shaft oil inlet pipeline in the joint is communicated with an oil inlet of the oil utilization end;
One end of the direct shaft oil return pipeline is communicated with one end of one fork shaft oil return pipeline in one of the joints, which is communicated with the outside, and one end of the other fork shaft oil return pipeline in the joint, which is communicated with the outside, is communicated with an oil return port of the oil supply end; the other end of the direct shaft oil return pipeline is communicated with one end, communicated with the outside, of another fork shaft oil return pipeline in the other connector, and one end, communicated with the outside, of the other fork shaft oil return pipeline in the other connector is communicated with an oil return port of the oil utilization end.
5. A connection structure according to claim 4, wherein: the oil supply device comprises a plurality of direct shafts, the direct shafts are sequentially connected in series through connectors, and the end parts of the two direct shafts arranged at the two ends are respectively connected with the oil supply end and the oil utilization end through the connectors.
6. A connection structure according to claim 4, wherein: the fork shaft is formed by splicing two half fork shafts, an oil inlet pipeline of the fork shaft is arranged in one half fork shaft, an oil return pipeline of the fork shaft is arranged in the other half fork shaft, and the two half fork shafts are fixedly connected through a connecting accessory.
7. A connection structure according to claim 6, wherein: the outer diameter of one end of the half fork shaft far away from the cross shaft is provided with a convex rectangular surface, the two rectangular surfaces of the two half fork shafts are spliced into a square, one end of the half fork shaft far away from the cross shaft is sleeved with a pair of half flanges, the half flanges are provided with rectangular grooves matched with the rectangular surfaces, the two half flanges are spliced into a circular flange, the oil supply end and the oil utilization end are both fixedly provided with equipment end flanges matched with the flanges, and the equipment end flanges are fixedly connected with the flanges through bolts.
8. A connection structure according to claim 7, wherein: and sealing rings II are respectively arranged between the flange and the direct shaft flange and between the flange and the equipment end flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159800.7A CN110748575B (en) | 2019-11-22 | 2019-11-22 | Universal fluid transmission joint capable of transmitting torque and connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159800.7A CN110748575B (en) | 2019-11-22 | 2019-11-22 | Universal fluid transmission joint capable of transmitting torque and connecting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110748575A CN110748575A (en) | 2020-02-04 |
| CN110748575B true CN110748575B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911159800.7A Active CN110748575B (en) | 2019-11-22 | 2019-11-22 | Universal fluid transmission joint capable of transmitting torque and connecting structure thereof |
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| CN (1) | CN110748575B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112360867B (en) * | 2020-11-18 | 2022-08-12 | 平邑巨腾机械有限公司 | Transmission shaft assembly capable of improving fixing precision and firmness of transmission shaft |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210949603U (en) * | 2019-11-22 | 2020-07-07 | 一重集团大连工程技术有限公司 | Universal fluid transfer joint capable of transmitting torque and connecting structure thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2715639C2 (en) * | 1977-04-07 | 1979-06-07 | Gelenkwellenbau Gmbh, 4300 Essen | PTO shaft |
| GB2132297B (en) * | 1982-12-16 | 1986-07-23 | Goodrich Co B F | Pipe swivel joint |
| US4823835A (en) * | 1988-08-05 | 1989-04-25 | George Chu | Universal swivel having a driving handle and valve means |
| DE102009054794B4 (en) * | 2009-12-16 | 2014-03-06 | GAT Gesellschaft für Antriebstechnik mbH | Radial rotary feedthrough and socket for this |
| US8789656B2 (en) * | 2011-10-31 | 2014-07-29 | Honeywell International Inc. | Shaft bearing lubricant aerator, system, and method |
| CN103452498B (en) * | 2013-09-17 | 2015-06-03 | 天津大学 | Rotary steerable drilling universal joint |
| CN103591160B (en) * | 2013-11-23 | 2015-11-18 | 清华大学 | Oil and gas pipes defect internal detector universal joint |
| AU2016384579B2 (en) * | 2016-01-06 | 2022-07-28 | Isodrill, Inc. | Rotary steerable drilling tool |
| JP6860188B2 (en) * | 2016-08-01 | 2021-04-14 | 三和機材株式会社 | How to use rotary joints and rotary joints |
| CN108150747B (en) * | 2017-11-28 | 2019-10-29 | 北京机械设备研究所 | A kind of universal joint pipe fitting with fluid conveying and torque transmitting dual function |
-
2019
- 2019-11-22 CN CN201911159800.7A patent/CN110748575B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210949603U (en) * | 2019-11-22 | 2020-07-07 | 一重集团大连工程技术有限公司 | Universal fluid transfer joint capable of transmitting torque and connecting structure thereof |
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