CN111188846B - Diaphragm and diaphragm coupling - Google Patents
Diaphragm and diaphragm coupling Download PDFInfo
- Publication number
- CN111188846B CN111188846B CN202010043130.9A CN202010043130A CN111188846B CN 111188846 B CN111188846 B CN 111188846B CN 202010043130 A CN202010043130 A CN 202010043130A CN 111188846 B CN111188846 B CN 111188846B
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- coupling
- laminated
- ring
- bolt
- 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.)
- Expired - Fee Related
Links
- 238000010168 coupling process Methods 0.000 title claims abstract description 76
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 76
- 230000008878 coupling Effects 0.000 title claims abstract description 75
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 238000004080 punching Methods 0.000 abstract description 12
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 210000003205 muscle Anatomy 0.000 abstract description 6
- 230000000737 periodic effect Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 description 6
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
- F16D3/58—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load the intermediate members being made of rubber or like material
Abstract
The invention discloses a diaphragm and a diaphragm coupling, which relate to the field of couplings and comprise a plurality of laminated diaphragm rods, wherein the laminated diaphragm rods are hinged end to form a diaphragm ring; the laminated membrane rod is provided with a stamping rib along the length direction, and the height of the convex side of the stamping rib is larger than that of the hinge ring. Aiming at the problem that the diaphragm is subjected to fatigue fracture due to axial float force in the prior art, the punching ribs are arranged on the laminated diaphragm rod along the length direction of the laminated diaphragm rod, so that the structural strength of the laminated diaphragm rod is enhanced, and the diaphragm ring is not easy to fracture due to fatigue under the condition of bearing periodic float force; in addition, the height that highly is greater than the hinge ring of the protruding side of punching press muscle, the convex closure that the punching press muscle formed can also be used for the buffering, alleviates the axial and scurries the influence that dynamic impact was strikeed, improves shaft coupling transmission stability.
Description
Technical Field
The invention relates to the field of couplings, in particular to a diaphragm and a diaphragm coupling.
Background
The coupling is widely used in rotary machines, and includes a rigid coupling, an elastic coupling, and the like. The diaphragm coupling is a novel coupling, has the advantages of transmitting larger torque, allowing larger displacement error, generally needing no lubrication, being convenient for installation and maintenance and the like, is widely applied to industries such as national defense, shipbuilding, aviation, petrochemical industry, vehicles, machinery and the like, and can replace coupling devices such as gear couplings, elastic sleeve pin couplings and the like.
For the existing diaphragm coupling structure, for example, chinese patent with patent publication No. CN201016368 discloses a diaphragm coupling, which includes two half couplings arranged oppositely, the two half couplings are connected with a diaphragm, the diaphragm is connected with the two half couplings at the same time, and the two half couplings realize transmission through a middle flexible diaphragm.
However, the diaphragm coupling in the prior art is not reasonable in structure, the diaphragm coupling in the prior art cannot limit axial movement, and when a coupling device connected with the coupling applies periodic axial movement to the coupling, fatigue fracture of the diaphragm is easily caused, so that normal operation of equipment and normal production and processing of a factory are affected.
Disclosure of Invention
Aiming at the problem that the diaphragm is subjected to fatigue fracture due to axial movement in the prior art, the invention aims to provide the diaphragm and the diaphragm coupling, which have the advantages of enhancing the structural strength of the diaphragm and improving the transmission stability.
In order to achieve the purpose, the invention provides the following technical scheme:
a diaphragm comprises a plurality of laminated diaphragm rods, wherein the laminated diaphragm rods are hinged end to form a diaphragm ring, and hinge rings are arranged at the hinge positions of the adjacent laminated diaphragm rods;
the laminated membrane rod is provided with stamping ribs along the length direction of the laminated membrane rod, and the height of the protruding side of each stamping rib is larger than that of the hinge ring.
By adopting the technical scheme, the punching ribs are arranged on the laminated membrane rod along the length direction of the laminated membrane rod, so that the structural strength of the laminated membrane rod is enhanced, and the membrane ring is not easy to break due to fatigue under the condition of bearing periodic drunkenness force; in addition, the height that highly is greater than the hinge ring of the protruding side of punching press muscle, the convex closure that the punching press muscle formed can also be used for the buffering, alleviates the axial and scurries the influence that dynamic impact was strikeed, improves shaft coupling transmission stability.
The present invention in a preferred example may be further configured to: the punching press muscle top runs through along its length direction stromatolite diaphragm pole has seted up the mounting groove, it is provided with the wear-resisting rubber strip to pour the fixed in the mounting groove, one side protrusion of wear-resisting rubber strip the mounting groove sets up.
By adopting the technical scheme, firstly, the wear-resistant rubber strip is arranged for further enhancing the buffer performance of the stamping rib, avoiding noise and improving the stability of transmission connection; meanwhile, sparks generated by friction between the stamping rib and the end face of the half coupling can be effectively avoided, and the invention can be used in flammable and explosive places.
The present invention in a preferred example may be further configured to: the bottom of the mounting groove is provided with through holes which penetrate through the mounting groove at equal intervals along the length direction of the stamping rib.
Through adopting above-mentioned technical scheme for the joint strength that the reinforcing wear-resisting rubber strip is fixed in the mounting groove.
The present invention in a preferred example may be further configured to: the laminated membrane rods are even in number and are arranged in a staggered mode.
By adopting the technical scheme, the hinge ring has enough freedom degree and the thickness of the hinge ring is effectively controlled.
A diaphragm coupling comprising oppositely disposed first and second coupling halves, a diaphragm of one of the types described above being disposed between said first and second coupling halves.
By adopting the technical scheme, the diaphragm has high structural strength, is not easy to break due to fatigue, and has long service life; the stamping ribs on the diaphragm are used for buffering, so that the influence of axial channeling power impact is reduced, and the transmission stability of the coupler is improved.
The present invention in a preferred example may be further configured to: the connecting pieces are arranged in the hinged rings in a penetrating mode, the connecting pieces are circumferentially distributed on the peripheral sides of the first half coupling, and the connecting pieces are sequentially connected with the diaphragm ring and the first half coupling, the diaphragm ring and the second half coupling respectively.
By adopting the technical scheme, the flexible connection of the diaphragm between the first half coupling and the second half coupling is realized.
The present invention in a preferred example may be further configured to: the connecting piece comprises a bolt, a thread section of the bolt penetrates through the first half coupling and the hinge ring simultaneously or penetrates through the second half coupling and the hinge ring simultaneously, and two locking nuts which are mutually abutted tightly are connected to the thread section of the bolt in a threaded manner.
By adopting the technical scheme, the two locking nuts are mutually abutted tightly to fix the positions of the two locking nuts on the bolt, the first half coupling and the second half coupling can be close to each other, and the axial impact force in the transmission process is weakened by utilizing the buffer performance of the stamping rib.
The present invention in a preferred example may be further configured to: the outer diameter of the thread of the bolt is smaller than the inner diameter of the hinge ring.
By adopting the technical scheme, the first half coupling and the second half coupling can rotate at a small angle, the buffering performance of the diaphragm is matched, the transmission noise is low, and the transmission stability is improved.
In summary, the invention includes at least one of the following beneficial technical effects:
(1) the punching ribs are arranged on the laminated membrane rod along the length direction of the laminated membrane rod, so that the structural strength of the laminated membrane rod is enhanced, and the membrane ring is not easy to break due to fatigue under the condition of bearing periodic drunkenness force; in addition, the height of the convex side of the stamping rib is greater than that of the hinge ring, and the convex hull formed by the stamping rib can also be used for buffering, so that the influence of axial power fleeing impact is reduced, and the transmission stability of the coupling is improved;
(2) furthermore, by arranging the wear-resistant rubber strip, the buffer performance of the stamping rib can be further enhanced, noise is avoided, the stability of transmission connection is improved, meanwhile, the generation of sparks caused by the friction between the stamping rib and the end face of the half coupling can be effectively avoided, and the invention can be used in flammable and explosive places;
(3) furthermore, the arc grooves matched with the semicircular arc surfaces are formed in the end parts of the stamping ribs, so that the stability and the connection strength of the hinge structure between the laminated membrane rods are enhanced, and the hinge ring is not easy to break and damage at the hinge connection part in the process of bearing pulling force.
Drawings
FIG. 1 is a schematic view of the overall structure of a diaphragm;
FIG. 2 is a cross-sectional view of a laminated membrane bar;
FIG. 3 is a schematic view of the overall construction of the diaphragm coupling;
fig. 4 is a partial sectional view taken along line a-a of fig. 4.
In the figure: 1. a laminated diaphragm rod; 2. a diaphragm ring; 3. a hinge ring; 4. punching ribs; 5. mounting grooves; 6. wear-resistant rubber strips; 7. a through hole; 8. a first half-coupling; 9. a second coupling half; 10. a connecting member; 11. a bolt; 12. locking the nut; 13. spherical surface; 14. and (7) a gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the diaphragm disclosed by the invention comprises six laminated diaphragm rods 1, a diaphragm ring 2 is formed by hinging the six laminated diaphragm rods 1 end to end, the adjacent laminated diaphragm rods 1 are arranged in a staggered manner, a hinge ring 3 is arranged at the hinge position of the two laminated diaphragm rods 1, a stamping rib 4 is arranged on each laminated diaphragm rod 1 along the length direction of the laminated diaphragm rod, the stamping rib 4 is formed by stamping the surface of one side of each laminated diaphragm rod 1, the protruding part of each stamping rib 4 is positioned between the adjacent laminated diaphragm rods 1, and the height of the protruding side of each stamping rib 4 is greater than the height of the hinge ring 3. The punching ribs 4 are punched on the laminated membrane rod 1, so that the structural strength of the laminated membrane rod 1 can be increased, the laminated membrane rod 1 is not easy to break, and the service life of the membrane is prolonged; on the other hand, the bulged stamping rib 4 can be used as a buffer air bag to buffer the axial jumping of the coupler in the use process, so that the transmission stability of the coupler is further improved.
The top of the stamping rib 4 penetrates through the laminated diaphragm rod 1 along the length direction of the stamping rib and is provided with mounting grooves 5, the bottom of each mounting groove 5 penetrates through the corresponding through hole 7 along the length direction of the stamping rib 4 at equal intervals, wear-resistant rubber strips 6 are fixedly poured in the mounting grooves 5, and one sides of the wear-resistant rubber strips 6 protrude out of the mounting grooves 5 and are used for further enhancing the buffering performance of the stamping rib 4; the other side of the wear-resistant rubber strip 6 extends out of the surface of the other side of the stamping rib 4, so that the stability of the wear-resistant rubber strip 6 fixed on the stamping rib 4 is improved.
A diaphragm coupling, as shown in fig. 3 and 4, comprises a first half coupling 8 and a second half coupling 9 which are oppositely arranged, and a diaphragm of the type described above is arranged between the first half coupling 8 and the second half coupling 9, wherein a rubber strip is ground, so that the end face friction between a stamping rib 4 and the first half coupling 8 or the second half coupling 9 can be effectively avoided, and sparks are generated. The articulated ring 3 is internally provided with connecting pieces 10 in a penetrating way, the connecting pieces 10 are circumferentially distributed on the peripheral side of the first half coupling 8, six connecting pieces 10 are sequentially and respectively connected with the diaphragm ring 2, the first half coupling 8, the diaphragm ring 2 and the second half coupling 9, and the first half coupling 8 and the second half coupling 9 realize flexible transmission through diaphragms.
Connecting piece 10 includes bolt 11, first half shaft coupling 8 and articulated ring 3 are worn to establish simultaneously or wear to establish second half shaft coupling 9 and articulated ring 3 simultaneously to the screw thread section of bolt 11, threaded connection has two lock nut 12 that support each other tightly on the screw thread section of bolt 11, wherein, the one side that the lock nut 12 that is close to the bolt 11 head is close to bolt 11 head sets up to sphere 13, the cover is equipped with and sphere 13 complex gasket 14 between articulated ring 3 and lock nut 12 on the bolt 11, the interior concave spherical groove has been seted up on the gasket 14, the external diameter of screw thread of bolt 11 is less than the internal diameter 0.2mm of articulated ring 3, in order to ensure to carry out the rotation of small angle between first half shaft coupling 8 and the second half shaft coupling 9, the shock-absorbing capacity of cooperation diaphragm, less transmission noise, improve.
To sum up:
when the laminated diaphragm rod is used, the punching ribs 4 are arranged on the laminated diaphragm rod 1 along the length direction of the laminated diaphragm rod, so that the structural strength of the laminated diaphragm rod 1 is enhanced, and the diaphragm ring 2 is not easy to break due to fatigue under the condition of bearing periodic drunkenness force; in addition, the height of the convex side of the stamping rib 4 is greater than that of the hinge ring 3, and a convex hull formed by the stamping rib 4 can also be used for buffering, so that the influence of axial power fleeing impact is reduced, and the transmission stability of the coupler is improved; by arranging the wear-resistant rubber strip 6, the buffer performance of the stamping rib 4 can be further enhanced, noise is avoided, the stability of transmission connection is improved, meanwhile, sparks generated by friction between the stamping rib 4 and the end face of the half coupling can be effectively avoided, and the invention can be used in flammable and explosive places; through be provided with at 4 tip of punching press muscle with semicircle cambered surface complex arc groove, reinforcing stromatolite diaphragm pole 1 within a definite time hinge structure's stability and joint strength, articulated ring 3 is bearing the in-process of dragging the power, difficult fracture damage at its articulated junction.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (3)
1. A diaphragm comprises a plurality of laminated diaphragm rods (1), a plurality of laminated diaphragm rods (1) are hinged end to form a diaphragm ring (2), and the diaphragm is characterized in that a hinge ring (3) is arranged at the position where the adjacent laminated diaphragm rods (1) are hinged; the laminated membrane rod (1) is provided with a stamping rib (4) along the length direction, and the height of the protruding side of the stamping rib (4) is greater than that of the hinge ring (3);
the top of the stamping rib (4) penetrates through the laminated membrane rod (1) along the length direction of the stamping rib to be provided with an installation groove (5), a wear-resistant rubber strip (6) is fixedly poured in the installation groove (5), and one side of the wear-resistant rubber strip (6) protrudes out of the installation groove (5); the bottom of the mounting groove (5) is provided with through holes (7) at equal intervals along the length direction of the stamping rib (4);
the laminated membrane rods (1) are even in number, and the adjacent laminated membrane rods (1) are arranged in a staggered mode.
2. A diaphragm coupling comprising a first coupling half (8) and a second coupling half (9) disposed in opposition, a diaphragm as claimed in claim 1 disposed between said first coupling half (8) and said second coupling half (9);
connecting pieces (10) penetrate through the hinged ring (3), a plurality of connecting pieces (10) are circumferentially distributed on the periphery of the first half coupling (8), and the connecting pieces (10) are sequentially connected with the diaphragm ring (2) and the first half coupling (8), the diaphragm ring (2) and the second half coupling (9) respectively;
the connecting piece (10) comprises a bolt (11), a thread section of the bolt (11) penetrates through the first half coupling (8) and the hinge ring (3) or penetrates through the second half coupling (9) and the hinge ring (3) simultaneously, the thread section of the bolt (11) is connected with two locking nuts (12) which are abutted against each other in a threaded manner, one side, close to the head of the bolt (11), of each locking nut (12) close to the head of the bolt (11) is provided with a spherical surface (13), a gasket (14) matched with the spherical surface (13) is sleeved between the hinge ring (3) and the locking nut (12) on the bolt (11), and an inner concave spherical groove is formed in the gasket (14).
3. A diaphragm coupling according to claim 2, characterized in that the threaded outer diameter of the bolt (11) is smaller than the inner diameter of the hinge ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043130.9A CN111188846B (en) | 2020-01-15 | 2020-01-15 | Diaphragm and diaphragm coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043130.9A CN111188846B (en) | 2020-01-15 | 2020-01-15 | Diaphragm and diaphragm coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111188846A CN111188846A (en) | 2020-05-22 |
| CN111188846B true CN111188846B (en) | 2021-04-30 |
Family
ID=70708235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010043130.9A Expired - Fee Related CN111188846B (en) | 2020-01-15 | 2020-01-15 | Diaphragm and diaphragm coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188846B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB211272A (en) * | 1922-12-06 | 1924-02-21 | Robert John Alpe | Improvements in or relating to flexible disc couplings |
| GB278200A (en) * | 1926-11-12 | 1927-10-06 | Hardy Spicer & Company Ltd | Improvements in flexible disc shaft couplings |
| CN101825144A (en) * | 2009-03-06 | 2010-09-08 | 鲁东大学 | Shaft coupling of combined diaphragm of cambered plate |
| CN101936342A (en) * | 2010-08-31 | 2011-01-05 | 溧阳市威联传动机械有限公司 | Elastic coupling of one-way precise diaphragm |
| CN203308956U (en) * | 2013-04-25 | 2013-11-27 | 韶关市龙润工业技术有限公司 | Coupler diaphragm |
| CN206397964U (en) * | 2016-12-27 | 2017-08-11 | 武汉科技大学 | A kind of diaphragm type coupler for range extender of electric vehicle |
-
2020
- 2020-01-15 CN CN202010043130.9A patent/CN111188846B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB211272A (en) * | 1922-12-06 | 1924-02-21 | Robert John Alpe | Improvements in or relating to flexible disc couplings |
| GB278200A (en) * | 1926-11-12 | 1927-10-06 | Hardy Spicer & Company Ltd | Improvements in flexible disc shaft couplings |
| CN101825144A (en) * | 2009-03-06 | 2010-09-08 | 鲁东大学 | Shaft coupling of combined diaphragm of cambered plate |
| CN101936342A (en) * | 2010-08-31 | 2011-01-05 | 溧阳市威联传动机械有限公司 | Elastic coupling of one-way precise diaphragm |
| CN203308956U (en) * | 2013-04-25 | 2013-11-27 | 韶关市龙润工业技术有限公司 | Coupler diaphragm |
| CN206397964U (en) * | 2016-12-27 | 2017-08-11 | 武汉科技大学 | A kind of diaphragm type coupler for range extender of electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111188846A (en) | 2020-05-22 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |