CN112360885A - Shaft coupling - Google Patents
Shaft coupling Download PDFInfo
- Publication number
- CN112360885A CN112360885A CN202011115686.0A CN202011115686A CN112360885A CN 112360885 A CN112360885 A CN 112360885A CN 202011115686 A CN202011115686 A CN 202011115686A CN 112360885 A CN112360885 A CN 112360885A
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- CN
- China
- Prior art keywords
- wall
- cylindrical
- connecting edge
- edge
- coupling
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 26
- 238000010168 coupling process Methods 0.000 title claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000005341 toughened glass Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 abstract description 17
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000003071 parasitic effect Effects 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
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
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Abstract
The invention provides a coupler, in particular to a coupler with a double cone/cylindrical surface matched, which belongs to a wind power coupler for transmitting torque insulation parasitic current in the field of wind power generation and comprises a connecting pipe, wherein the edges of two ends of the connecting pipe are provided with connecting edges; the metal flanges are arranged at two ends of the connecting pipe, and a groove matched with the connecting edge in shape is arranged on one side surface of each metal flange; the connecting edge of the connecting pipe is inserted in the groove of the metal flange. The invention adopts a double-face matched bonding mode, so that the structural size of the coupling is more compact, and the bonding strength and reliability of the glass fiber reinforced plastic are improved.
Description
Technical Field
The invention relates to a coupler, in particular to a coupler with double cones/cylindrical surfaces matched, and belongs to a wind power coupler for transmitting torque insulation parasitic current in the field of wind power generation.
Background
In mechanical systems, different mechanical transmissions require certain components to be coupled in order to transmit motion and torque backwards. The coupler has good displacement compensation performance and vibration and noise reduction capability in a mechanical system, is widely applied to connection of mechanical transmission equipment in industries such as vehicles, ships, lifting, chemical engineering, logistics and the like, and is used for transmitting torsional moment, realizing displacement compensation, insulating parasitic current and reducing vibration and absorbing vibration energy.
The glass fiber reinforced plastic coupling has the advantages of light weight, high strength, low price, good insulating property, strong designability and the like, and is widely applied to the field of transmission. However, the existing glass fiber reinforced plastic pipe is connected by bonding with an adhesive, and the glass fiber reinforced plastic pipe needs to have a longer connecting surface on the premise of ensuring the movement quality and stability of the transmission machine. The glass fiber reinforced plastic has a limited bonding area under a certain length, and has certain bonding strength, so that the glass fiber reinforced plastic is easy to fail under the condition of coping with alternating load.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the coupler, which adopts a double-surface matched bonding mode, so that the structural size of the coupler is more compact, and the bonding strength and reliability of the glass fiber reinforced plastic are improved.
The invention provides a coupling, comprising:
the edge of the two ends of the connecting pipe is provided with a connecting edge; and
the metal flanges are arranged at two ends of the connecting pipe, and a groove matched with the connecting edge in shape is arranged on one side surface of each metal flange;
the connecting edge of the connecting pipe is inserted in the groove of the metal flange.
The invention has the further improvement that the middle part of the metal flange is provided with a central hole, and the edge of the metal flange is provided with a bolt hole for connecting a driving wheel or a driven wheel; the groove is concentrically arranged on the outer ring of the central hole.
The invention has the further improvement that the connecting edge is of a double-conical-surface structure, the outer wall of the connecting edge is provided with an outer conical surface, and the inner wall of the connecting edge is provided with an inner conical surface;
the outer conical surface and the inner conical surface form an included angle along the axial direction of the connecting pipe.
The invention has the further improvement that the connecting edge is of a multi-conical surface structure, the outer wall of the connecting edge is provided with a plurality of outer conical surfaces, and a step structure is arranged between the outer conical surfaces; the inner wall of the connecting edge is provided with a plurality of inner conical surfaces, and a step structure is arranged between the inner conical surfaces.
The invention is further improved in that the connecting edge is of a double-cylindrical-surface structure, and the outer wall and the inner wall of the connecting edge are cylindrical surfaces.
The invention has the further improvement that the connecting edge is of a multi-cylindrical-surface structure, a plurality of cylindrical surfaces are arranged on the outer wall of the connecting edge, and a step structure is arranged between the cylindrical surfaces; the inner wall of the connecting edge is provided with a plurality of cylindrical surfaces, and the cylindrical surfaces are provided with a plurality of step structures.
The invention is further improved in that the connecting edge is of an inner cone outer cylindrical surface structure, the outer wall of the connecting edge is a cylindrical surface, and the inner wall of the connecting edge is a conical surface.
The invention is further improved in that the connecting edge is of an inner column outer conical surface structure, the outer wall of the connecting edge is a conical surface, and the inner wall of the connecting edge is a cylindrical surface.
The invention is further improved in that the included angle between the conical surface and the cylindrical surface of the outer wall of the connecting pipe main body is 3-15 degrees.
The invention is further improved in that the connecting pipe is a toughened glass cylinder, and the connecting pipe is connected with the groove through an adhesive.
Compared with the prior art, the invention has the advantages that:
the coupler adopts a double-sided connection mode, the bonding length is half of that of the traditional glass reinforced plastic pipe under the condition of the same bonding area, the shorter bonding length can greatly reduce the length of the glass reinforced plastic pipe, the installation problem of the coupler in a limited space is solved, and the bonding strength and the reliability of the glass reinforced plastic pipe are improved.
The area of the bonding area of the coupler is twice that of the bonding area of the traditional glass reinforced plastic pipe under the same bonding length, so that the problem of insufficient bonding strength of the glass reinforced plastic pipe caused by insufficient bonding area can be solved, and the bonding strength and reliability of the glass reinforced plastic pipe are improved.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic structural view of a coupling according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a connecting tube according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a metal flange according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a coupling of one embodiment of the present invention, showing the assembled cross-sectional structure;
FIG. 5 is an enlarged fragmentary view of FIG. 4 showing the connecting edges of the double-tapered structure;
FIG. 6 is an enlarged view of a portion of FIG. 4 showing the connecting edges of the multi-tapered structure;
FIG. 7 is an enlarged view of a portion of FIG. 4 showing the connecting edges of the bi-cylindrical structure;
FIG. 8 is an enlarged view of a portion of FIG. 4 showing the connecting edges of the multi-cylindrical structure;
FIG. 9 is an enlarged partial view of FIG. 4 showing the connecting edges of the outer cylindrical surfaces of the inner cones;
FIG. 10 is an enlarged view of a portion of FIG. 4 showing the connecting edges of the tapered outer surface of the inner post.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
The meaning of the reference symbols in the drawings is as follows: 1. connecting pipe, 2, metal flange, 11, connecting edge, 12, outer conical surface, 13, inner conical surface, 14, cylindrical surface, 15, step structure, 16, bolt hole, 21, recess.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, exemplary embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is clear that the described embodiments are only a part of the embodiments of the invention, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.
Fig. 1 schematically illustrates a double-cone mating coupling according to one embodiment of the present invention, including a connecting tube. The connecting pipe is of a cylindrical or round pipe type structure, and the length of the connecting pipe can be adjusted according to the distance of equipment to be connected. And, both ends of the connection pipe are respectively provided with a connection edge (as shown in fig. 2). Two ends of the connecting pipe are respectively provided with a metal flange (as shown in figure 3), and the two metal flanges are respectively used for connecting the driving shaft and the transmission shaft. The metal flange connected with the driving shaft is a driving shaft metal flange, the metal flange connected with the driven shaft is a driven shaft metal flange, and the driving shaft metal flange and the driven shaft metal flange are identical in structure and opposite in direction. A groove is formed in one side face of the metal flange, and the connecting edge of the connecting pipe is inserted into the groove of the metal flange.
In this embodiment, the two ends of the connecting pipe are respectively provided with a tapered connecting edge. The connecting edge is configured to taper the end of the connecting pipe, and the taper is not a regular cone, but a structure in which the outer diameter of the main body of the connecting pipe is large and the outer diameter of the end of the tapered connecting edge is small may be a cone or a step. And one opposite sides of the two metal flanges are provided with grooves, the metal flanges are connected with the connecting pipe through the grooves, and the other sides of the metal flanges are connected with the driving shaft or the driven shaft.
This embodiment the shaft coupling makes the innovation change for traditional glass steel bonding shaft coupling on spatial structure, makes the shaft coupling overall arrangement more compact, and occupation space is little, and the occasion that is suitable for is more extensive, is favorable to the using widely of shaft coupling, especially under the environment that the space is comparatively narrow, have the insulation requirement again between input and output shaft, this embodiment the bonding strength is traditional glass steel bonding structure's twice when guaranteeing good insulating nature of shaft coupling, has improved glass steel bonding shaft coupling's reliability greatly.
In one embodiment, as shown in fig. 1 and 4, the metal flange is a triangle-like structure formed by three arcs, and a bolt hole is arranged at a vertex angle of the metal flange and used for connecting a driving shaft or a driven shaft. The middle part of the metal flange is provided with a circular central hole, and the central hole of the metal flange is communicated with the hole of the connecting pipe. The groove is arranged on the metal flange and is concentric with the central hole.
When the coupling according to the present embodiment is installed, as shown in fig. 3, the inner side of the metal flange is connected to the connecting edge of the connecting pipe through the groove and is connected to the connecting edge through the adhesive. The other side is connected in series in the bolt hole through a bolt to be connected with a driving shaft or a driven shaft, so that the driving shaft or the driven shaft is fixedly connected and rotates along with the driving shaft or the driven shaft.
In one embodiment, as shown in fig. 5, the connecting edge has a double conical structure, the inner wall of the connecting edge is an inner conical surface, and the outer wall of the connecting edge is an outer conical surface. The end portions of the inner and outer tapered surfaces are inclined toward the opposite side, i.e., the connecting edge is wider at the side near the center of the connecting cylinder and narrower at the side near the edge of the central cylinder. The outer conical surface and the inner conical surface form an included angle. In this embodiment, the shape of the groove matches with the shape of the connecting edge, and the cross section of the groove is triangular or trapezoidal, and is also formed by two concave inclined surfaces.
In one embodiment, as shown in fig. 6, the connecting edge is a multi-conical structure, the outer wall of the connecting edge is provided with a plurality of outer conical surfaces, and a step structure is arranged between the outer conical surfaces; the inner wall of the connecting edge is provided with a plurality of inner conical surfaces, and a step structure is arranged between the inner conical surfaces.
In the embodiment shown in fig. 6, the outer tapered surfaces are provided in two sets, and a step structure is provided between the two sets of outer tapered surfaces. The inner conical surfaces are also divided into two groups, and a step structure is arranged between the two groups of inner conical surfaces. The number of the outer tapered surfaces and the inner tapered surfaces in this embodiment is not limited, and may be 2 groups, or 3 groups or more. In this embodiment, the shape of the groove matches with the shape of the connecting edge, and a step structure is also arranged on the inclined surface in the groove, and matches with the step structure of the connecting edge.
In one embodiment, as shown in fig. 7, the connecting edge is a double cylindrical structure, and both the outer wall and the inner wall of the connecting edge are cylindrical. The connecting edge forms a section of circular cylinder through two cylindrical surfaces. The thickness of which is less than the thickness of the body of the connector barrel. In this embodiment, the groove is an annular groove, and the cross section of the annular groove is a rectangular groove; the cross section of the connecting edge is rectangular and is matched with the groove.
In one embodiment, as shown in fig. 8, the connecting edge is a multi-cylindrical structure, a plurality of cylindrical surfaces are arranged on the outer wall of the connecting edge, and a step structure is arranged between the cylindrical surfaces; the inner wall of the connecting edge is provided with a plurality of cylindrical surfaces, and the cylindrical surfaces are provided with a plurality of step structures. In this embodiment, the cross-section of recess is the multistage rectangular channel, also sets up the stair structure on the inner wall of recess, with connect along the phase-match.
In one embodiment, as shown in fig. 9, the connecting edge is an inner column and outer conical surface structure, the outer wall of the connecting edge is a conical surface, and the inner wall of the connecting edge is a cylindrical surface.
In one embodiment, as shown in fig. 10, the connecting edge is an inner-cone outer cylindrical structure, the outer wall of which is a cylindrical surface and the inner wall of which is a conical surface.
Wherein, in the connecting edge is an inner cone outer cylindrical surface structure or an inner column outer conical surface structure, the outer wall and the inner wall of the connecting edge can be provided with step structures.
In one embodiment, the included angle between the conical surface and the cylindrical surface of the outer wall of the connecting pipe body is 3-15 degrees. The included angle is an included angle between a sectional line of the tapered surface and a sectional line of the cylindrical surface of the outer wall in a section of the connecting cylinder in the axial direction.
In one embodiment, the connecting pipe is a toughened glass cylinder, and the connecting pipe is connected with the groove through an adhesive.
In the bearing of the coupling according to the present embodiment, first, glass fiber reinforced plastic is wound on a formed grinding tool to form a cylindrical structure. The inner surface of the glass fiber reinforced plastic is wound to form a bonding inner conical surface structure (a cylindrical surface or a step profile), and then a bonding outer conical surface structure (a cylindrical surface or a step profile, an inner conical surface and an outer conical surface which are formed by a grinding tool profiling and machining method are processed on the outer surface of the glass fiber reinforced plastic through a machining method and are bonding matching surfaces of the glass fiber reinforced plastic and the metal flange.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the invention, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the invention.
Claims (10)
1. A coupling, comprising:
the edge of the two ends of the connecting pipe is provided with a connecting edge; and
the metal flanges are arranged at two ends of the connecting pipe, and a groove matched with the connecting edge in shape is arranged on one side surface of each metal flange;
the connecting edge of the connecting pipe is inserted in the groove of the metal flange.
2. The coupling according to claim 1, wherein the metal flange is provided with a central hole in the middle and bolt holes at the edge for connecting a driving wheel or a driven wheel; the groove is concentrically arranged on the outer ring of the central hole.
3. The coupling of claim 2 wherein said connecting edge is a double conical structure having an outer wall provided with an outer conical surface and an inner wall provided with an inner conical surface;
the outer conical surface and the inner conical surface form an included angle along the axial direction of the connecting pipe.
4. The coupling according to claim 2, wherein said connecting edge is a multi-conical structure, and the outer wall thereof is provided with a plurality of outer conical surfaces, and a step structure is arranged between the outer conical surfaces; the inner wall of the connecting edge is provided with a plurality of inner conical surfaces, and a step structure is arranged between the inner conical surfaces.
5. The coupling of claim 2 wherein said connecting edges are of a bi-cylindrical configuration with both outer and inner walls being cylindrical.
6. The coupling according to claim 2, wherein the connecting edge is a multi-cylindrical structure, a plurality of cylindrical surfaces are arranged on the outer wall of the connecting edge, and a step structure is arranged between the cylindrical surfaces; the inner wall of the connecting edge is provided with a plurality of cylindrical surfaces, and the cylindrical surfaces are provided with a plurality of step structures.
7. The coupling of claim 2 wherein said connecting edges are of internally tapered externally cylindrical configuration with cylindrical outer walls and tapered inner walls.
8. The coupling of claim 2 wherein said connecting edge is an outer conical surface structure of an inner post, the outer wall of which is a conical surface and the inner wall of which is a cylindrical surface.
9. A coupling according to any one of claims 3, 4, 7 or 8, wherein the angle between the conical surface and the cylindrical surface of the outer wall of the connecting tube body is 3-15 degrees.
10. The coupling of claim 9, wherein the connecting tube is a tempered glass cylinder, and the connecting tube is connected to the groove by an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115686.0A CN112360885A (en) | 2020-10-19 | 2020-10-19 | Shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115686.0A CN112360885A (en) | 2020-10-19 | 2020-10-19 | Shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112360885A true CN112360885A (en) | 2021-02-12 |
Family
ID=74506911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011115686.0A Pending CN112360885A (en) | 2020-10-19 | 2020-10-19 | Shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112360885A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439842A (en) * | 2022-01-24 | 2022-05-06 | 厦门牢力实业有限公司 | High-strength insulating transmission shaft for high-power wind driven generator and manufacturing method thereof |
| CN115059695A (en) * | 2022-02-22 | 2022-09-16 | 株洲时代新材料科技股份有限公司 | Intermediate structure of wind power coupling and dynamic balance device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2112689B (en) * | 1981-11-25 | 1985-07-31 | Bristol Composite Mat | Manufacture of composite tube |
| US4706364A (en) * | 1985-01-28 | 1987-11-17 | Societe Nationale Industrielle Aerospatiale | Process for connecting an element to one end of a tube of composite material and device thus obtained |
| WO2005054694A1 (en) * | 2003-12-05 | 2005-06-16 | Singapore Technologies Marine Ltd. | Composite drive shaft |
| US20130186040A1 (en) * | 2006-12-02 | 2013-07-25 | The Boeing Company | Composite Tube Having Co-Bonded End Fittings |
| CN104632861A (en) * | 2014-12-24 | 2015-05-20 | 芜湖市汽车产业技术研究院有限公司 | Manufacture method of fiber composite material automobile transmission shaft |
| CN107323022A (en) * | 2017-07-24 | 2017-11-07 | 北京汽车集团有限公司 | Splicing attachment structure of composite and metal material and preparation method thereof |
| CN211314824U (en) * | 2019-12-16 | 2020-08-21 | 泰安市中研复合材料科技有限公司 | Composite material transmission shaft |
-
2020
- 2020-10-19 CN CN202011115686.0A patent/CN112360885A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2112689B (en) * | 1981-11-25 | 1985-07-31 | Bristol Composite Mat | Manufacture of composite tube |
| US4706364A (en) * | 1985-01-28 | 1987-11-17 | Societe Nationale Industrielle Aerospatiale | Process for connecting an element to one end of a tube of composite material and device thus obtained |
| WO2005054694A1 (en) * | 2003-12-05 | 2005-06-16 | Singapore Technologies Marine Ltd. | Composite drive shaft |
| US20130186040A1 (en) * | 2006-12-02 | 2013-07-25 | The Boeing Company | Composite Tube Having Co-Bonded End Fittings |
| CN104632861A (en) * | 2014-12-24 | 2015-05-20 | 芜湖市汽车产业技术研究院有限公司 | Manufacture method of fiber composite material automobile transmission shaft |
| CN107323022A (en) * | 2017-07-24 | 2017-11-07 | 北京汽车集团有限公司 | Splicing attachment structure of composite and metal material and preparation method thereof |
| CN211314824U (en) * | 2019-12-16 | 2020-08-21 | 泰安市中研复合材料科技有限公司 | Composite material transmission shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439842A (en) * | 2022-01-24 | 2022-05-06 | 厦门牢力实业有限公司 | High-strength insulating transmission shaft for high-power wind driven generator and manufacturing method thereof |
| CN115059695A (en) * | 2022-02-22 | 2022-09-16 | 株洲时代新材料科技股份有限公司 | Intermediate structure of wind power coupling and dynamic balance device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210212 |
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