CN108488249B - Self-stabilizing rotating speed elastic coupling - Google Patents
Self-stabilizing rotating speed elastic coupling Download PDFInfo
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- CN108488249B CN108488249B CN201810492370.XA CN201810492370A CN108488249B CN 108488249 B CN108488249 B CN 108488249B CN 201810492370 A CN201810492370 A CN 201810492370A CN 108488249 B CN108488249 B CN 108488249B
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- transmission shaft
- plate
- pressure plate
- shaft
- spring
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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
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/14—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions combined with a friction coupling for damping vibration or absorbing shock
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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
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a self-stabilizing rotating speed elastic coupling which mainly comprises a flange plate, a transmission shaft, a sealing gasket, a left pressure plate, screws, a torsion plate, a small spring, a right pressure plate, a large spring, a transmission shaft nut, a cross slide block and a driven shaft. The power of the driving shaft is transmitted out through a small spring in the torsion disc; at the time of starting, the sudden increase of the rotation speed of the driven shaft can be buffered through a small spring; when the rotation speed of the driven shaft is unstable due to the change of working conditions, the rotation speed of the driven shaft can be buffered through a small spring in the torsion disc, rigid impact on the driving shaft and the power source is avoided, meanwhile, the rotation speed of the driven shaft can be quickly stabilized through damping generated when hydraulic oil in the flange plate flows through small holes on the blades of the driving shaft, and the size of the damping force can be controlled through the shape and the size of the small holes; when the axes of the driving shaft and the driven shaft are not parallel, the adjustable cross slide block can be used for adjusting.
Description
Technical Field
The invention relates to the field of couplings, in particular to a self-stabilizing rotating speed elastic coupling.
Background
The coupling is used for connecting two shafts in different mechanisms so as to rotate together to transmit torque. The coupling can be classified into a rigid coupling and a flexible coupling according to the presence or absence of compensation ability for various relative displacements. The rigid coupling generally requires no relative displacement between the driving shaft and the driven shaft, has a simpler structure, and comprises a sleeve type, a clamping type, a flange type and the like; the flexible coupling can compensate the relative displacement of the two shafts, and can be divided into a flexible coupling without an elastic element and a flexible coupling with an elastic element according to the existence of the elastic element. Flexible couplings without elastic elements include oldham coupling, slider coupling, tooth coupling, etc., flexible couplings with elastic elements include elastic pin coupling, star coupling, tire coupling, etc.
In the high-speed heavy-load power transmission, load impact and rotation speed change caused by working condition change can cause impact and vibration on a driving part, so that parts are easy to fail, and the operation cannot be normally completed. Therefore, the coupler not only needs to ensure the relative displacement between the driving shaft and the driven shaft, but also has the functions of buffering, damping and stabilizing the rotating speed so as to protect parts from damage, prolong the service life of the parts and reduce the cost.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the self-stabilizing rotating speed elastic coupling which not only can adjust the relative displacement between a driving shaft and a driven shaft, but also has the functions of buffering, damping and stabilizing the rotating speed, can protect parts from being damaged, prolongs the service life of the parts and reduces the cost.
The technical scheme for solving the technical problems is as follows: the self-stabilizing rotating speed elastic coupling is characterized by mainly comprising a flange plate, a transmission shaft, a sealing gasket, a left pressure plate, a screw, a torsion plate, a small spring, a right pressure plate, a large spring, a transmission shaft nut, a cross slide block and a driven shaft;
the flange plate is of an integrated structure formed by a left connecting surface, a supporting block and a right connecting surface, the left connecting surface is connected with the driving shaft flange plate through bolts, the supporting block is arranged between the left connecting surface and the right connecting surface, a hydraulic groove is processed in the middle of the right connecting surface, and hydraulic oil is contained in the hydraulic groove; the cross section of the hydraulic groove is in a shape similar to a butterfly tie, the two ends of the hydraulic groove are large in openings, the middle of the hydraulic groove is narrow in openings, and the hydraulic groove is matched with the left end of the transmission shaft; five screw holes are uniformly distributed on the circumference of the right connecting surface of the flange plate and are connected with the sealing gasket and the left pressing plate through screws;
five screw holes are uniformly distributed on the outer edge of the left pressure plate and are connected with the right end face of the flange plate through screws, so that the sealing gasket and the left pressure plate are pressed on the flange plate; five clamping grooves are uniformly distributed on the right side surface of the left pressing plate, and one side of the small spring is positioned in the clamping groove; five arc edges are uniformly formed on the periphery of the torsion disc so as to facilitate the disassembly and assembly of the screw, five clamping holes are uniformly formed in the torsion disc, and the main body part of the small spring is positioned in the clamping holes; five arc edges are uniformly formed on the periphery of the right pressing plate, five clamping grooves are uniformly formed in the left side face of the right pressing plate, and the other side of the small spring is positioned in the clamping grooves;
two rectangular fan blades which are symmetrically arranged are arranged on the outer side face of the left end of the transmission shaft, small holes are formed in the two rectangular fan blades, and hydraulic oil can flow through the small holes; the part of the transmission shaft, which is provided with rectangular fan blades at the left end, is arranged in the hydraulic groove on the flange plate; the right end of the transmission shaft sequentially passes through the sealing gasket, the left pressure plate, the torsion plate, the right pressure plate, the large spring and the transmission shaft nut, the middle part of the transmission shaft is provided with a spline, and the spline is matched with an internal spline of the right pressure plate and used for transmitting power; the right part of the transmission shaft is provided with threads which are matched with the transmission shaft nut, the big spring is arranged on the shaft section of the transmission shaft between the right pressure plate and the transmission shaft nut, and the big spring is tightly pressed by the transmission shaft nut; the right end of the transmission shaft is provided with a rectangular sliding key which is matched with the left end of the cross slide block, and the right end sliding key of the cross slide block is matched with the driven shaft.
Compared with the existing coupling, the self-stabilizing rotating speed elastic coupling has the beneficial effects that: the power of the driving shaft is transmitted out through a small spring in the torsion disc; at the time of starting, the sudden increase of the rotation speed of the driven shaft can be buffered through a small spring; when the rotation speed of the driven shaft is unstable due to the change of working conditions, the rotation speed of the driven shaft can be buffered through a small spring in the torsion disc, rigid impact on the driving shaft and the power source is avoided, meanwhile, the rotation speed of the driven shaft can be quickly stabilized through damping generated when hydraulic oil in the flange plate flows through small holes on the blades of the driving shaft, and the size of the damping force can be controlled through the shape and the size of the small holes; when the axes of the driving shaft and the driven shaft are not parallel, the adjustable cross slide block can be used for adjusting.
Drawings
Fig. 1 is an exploded view of the overall structure of one embodiment of the present invention.
Fig. 2 is a schematic overall structure of an embodiment of the present invention.
Fig. 3 is a schematic view of a flange structure according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a transmission shaft according to an embodiment of the invention.
Fig. 5 is a schematic view of a right platen structure according to an embodiment of the present invention.
Detailed Description
The invention will now be described with reference to the examples and the accompanying drawings. The embodiment is a specific implementation based on the technical scheme of the invention, and detailed implementation modes and processes are given. The scope of patent claims of the present application is not limited to the following examples.
For the convenience of explanation and understanding of the technical scheme of the present invention, the following terms of orientation refer to the orientations shown in the drawings, such as up and down, left and right, front and back.
The invention relates to a self-stabilizing rotating speed elastic coupling (see fig. 1-5), which mainly comprises a flange plate 1, a transmission shaft 2, a sealing gasket 3, a left pressure plate 4, a screw 5, a torsion plate 6, a small spring 7, a right pressure plate 8, a large spring 9, a transmission shaft nut 10, a cross slide block 11 and a driven shaft 12.
The flange plate 1 is of an integrated structure formed by a left connecting surface, a supporting block and a right connecting surface, the left connecting surface is connected with the flange plate of the driving shaft through bolts, the supporting block is arranged between the left connecting surface and the right connecting surface, the length of the supporting block is required to ensure that the flange plate bolts are easy to disassemble and assemble, and a hydraulic groove is formed in the middle of the right connecting surface and used for containing hydraulic oil; the cross section of the hydraulic groove is in a shape similar to a butterfly tie, the two ends of the hydraulic groove are large in openings, the middle of the hydraulic groove is narrow in openings, and the hydraulic groove is matched with the left end of the transmission shaft 2. Five screw holes are uniformly distributed on the circumference of the right connecting surface of the flange plate 1 and are connected with the sealing gasket 3 and the left pressure plate 4 through screws 5;
five screw holes are uniformly distributed on the outer edge of the left pressure plate 4 and are connected with the right end face of the flange plate 1 through screws 5, so that the sealing gasket 3 and the left pressure plate 4 are pressed on the flange plate 1; five clamping grooves are uniformly distributed on the right side surface of the left pressing plate 4, and one side of the small spring 7 is positioned in the clamping groove.
Five arc edges are uniformly formed on the periphery of the torsion disc 6 so as to facilitate the disassembly and assembly of the screw 5, five clamping holes are uniformly formed in the torsion disc 6, and the main body part of the small spring 7 is positioned in the clamping holes and used for limiting the small spring 7 to move along the radial direction of the torsion disc 6 but can be compressed along the circumferential direction of the torsion disc 6;
five arc edges are uniformly formed on the periphery of the right pressing plate 8 so as to facilitate the disassembly and assembly of the screw 5, five clamping grooves are uniformly formed in the left side surface of the right pressing plate 8, and the other side of the small spring 7 is positioned in the clamping grooves; when power is transmitted to the left pressure plate 4, relative rotation exists between the left pressure plate 4 and the right pressure plate 8, and the springs 7 are compressed through the clamping grooves of the left pressure plate 4 and the clamping grooves of the right pressure plate 8, so that power is transmitted to the right pressure plate 8, and meanwhile, a buffer effect is achieved.
Two rectangular fan blades which are symmetrically arranged are arranged on the outer side face of the left end of the transmission shaft 2, small holes are formed in the two rectangular fan blades, hydraulic oil can flow through the small holes, damping is generated by the hydraulic oil flowing in the small holes, and the size of damping force can be controlled through the shape and the diameter of the small holes; the part of the left end of the transmission shaft 2 provided with the rectangular fan blade is arranged in a hydraulic groove on the flange plate 1. The right end of the transmission shaft 2 sequentially passes through the sealing gasket 3, the left pressure plate 4, the torsion plate 6, the right pressure plate 8, the large spring 9 and the transmission shaft nut 10, the middle part of the transmission shaft 2 is provided with a spline, and the spline is matched with the internal spline of the right pressure plate 8 and is used for transmitting power; the right part of the transmission shaft 2 is provided with threads which are matched with a transmission shaft nut 10, a large spring 9 is arranged on the shaft section of the transmission shaft 2 between a right pressure plate 8 and the transmission shaft nut 10, and the large spring 9 is compressed by the transmission shaft nut 10; a rectangular sliding key is arranged at the tail end of the right end of the transmission shaft 2, the rectangular sliding key is matched with the left end of the cross slide block 11, and the right end sliding key of the cross slide block 11 is matched with the driven shaft 12.
The working principle and working process of the self-stabilizing rotating speed elastic coupler are as follows: when the machine is started, the power source drives the driving shaft to rotate, the driving shaft is connected with the flange plate 1, the flange plate 1 is rigidly connected with the left pressing plate 4 through the screw 5, the left pressing plate 4 transmits power to the right pressing plate 8 through the small springs 7 of the cloth, the right pressing plate 8 transmits power to the transmission shaft 2 through the spline, and then the transmission shaft 2 transmits power to the driven shaft 12 through the cross slide block 11. At the beginning of the start-up, the sudden increase of the rotation speed of the driven shaft 12 can be buffered by the small spring 7; when the rotation speed of the driven shaft 12 is unstable due to the change of working conditions, the rotation speed of the driven shaft 12 can be quickly stabilized through damping generated when hydraulic oil in the flange plate 1 flows through small holes on the fan blades of the transmission shaft 2, and the rotation speed of the driven shaft 12 can be quickly stabilized through the damping generated when the hydraulic oil in the flange plate 6 flows through the small holes, wherein the damping force can be controlled through the shape and the size of the small holes; also, during shutdown, buffering and damping can be performed; when the axes of the driving shaft and the driven shaft are not parallel, the driving shaft and the driven shaft can be adjusted through the cross slide block 11; the self-stabilizing rotating speed elastic coupling can not only regulate the relative displacement between the driving shaft and the driven shaft, but also buffer, shock-absorbing and rotate speed stabilizing effects, can protect parts from failure caused by impact vibration, ensures that a machine can normally complete operation, prolongs the service life of the parts and reduces cost.
By using the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the invention.
The invention is applicable to the prior art where it is not described.
Claims (1)
1. The self-stabilizing rotating speed elastic coupler is characterized by comprising a flange plate, a transmission shaft, a sealing gasket, a left pressure plate, screws, a torsion plate, a small spring, a right pressure plate, a large spring, a transmission shaft nut, an cross slide block and a driven shaft;
the flange plate is of an integrated structure formed by a left connecting surface, a supporting block and a right connecting surface, the left connecting surface is connected with the driving shaft flange plate through bolts, the supporting block is arranged between the left connecting surface and the right connecting surface, a hydraulic groove is processed in the middle of the right connecting surface, and hydraulic oil is contained in the hydraulic groove; the cross section of the hydraulic groove is in a shape similar to a butterfly tie, the two ends of the hydraulic groove are large in openings, the middle of the hydraulic groove is narrow in openings, and the hydraulic groove is matched with the left end of the transmission shaft; five screw holes are uniformly distributed on the circumference of the right connecting surface of the flange plate and are connected with the sealing gasket and the left pressing plate through screws;
five screw holes are uniformly distributed on the outer edge of the left pressure plate and are connected with the right end face of the flange plate through screws, so that the sealing gasket and the left pressure plate are pressed on the flange plate; five clamping grooves are uniformly distributed on the right side surface of the left pressing plate, and one side of the small spring is positioned in the clamping groove; five arc edges are uniformly formed on the periphery of the torsion disc so as to facilitate the disassembly and assembly of the screw, five clamping holes are uniformly formed in the torsion disc, and the main body part of the small spring is positioned in the clamping holes; five arc edges are uniformly formed on the periphery of the right pressing plate, five clamping grooves are uniformly formed in the left side face of the right pressing plate, and the other side of the small spring is positioned in the clamping grooves;
two rectangular fan blades which are symmetrically arranged are arranged on the outer side face of the left end of the transmission shaft, small holes are formed in the two rectangular fan blades, and hydraulic oil can flow through the small holes; the part of the transmission shaft, which is provided with rectangular fan blades at the left end, is arranged in the hydraulic groove on the flange plate; the right end of the transmission shaft sequentially passes through the sealing gasket, the left pressure plate, the torsion plate, the right pressure plate, the large spring and the transmission shaft nut, the middle part of the transmission shaft is provided with a spline, and the spline is matched with an internal spline of the right pressure plate and used for transmitting power; the right part of the transmission shaft is provided with threads which are matched with the transmission shaft nut, the big spring is arranged on the shaft section of the transmission shaft between the right pressure plate and the transmission shaft nut, and the big spring is tightly pressed by the transmission shaft nut; the right end of the transmission shaft is provided with a rectangular sliding key which is matched with the left end of the cross slide block, and the right end sliding key of the cross slide block is matched with the driven shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492370.XA CN108488249B (en) | 2018-05-22 | 2018-05-22 | Self-stabilizing rotating speed elastic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492370.XA CN108488249B (en) | 2018-05-22 | 2018-05-22 | Self-stabilizing rotating speed elastic coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108488249A CN108488249A (en) | 2018-09-04 |
| CN108488249B true CN108488249B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810492370.XA Active CN108488249B (en) | 2018-05-22 | 2018-05-22 | Self-stabilizing rotating speed elastic coupling |
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| CN (1) | CN108488249B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB650287A (en) * | 1947-07-17 | 1951-02-21 | Westinghouse Electric Int Co | Improvements in or relating to power transmitting coupling devices |
| GB2018394A (en) * | 1978-04-06 | 1979-10-17 | Burroughs Corp | Resilient bi-directional slip coupling |
| DD276516A1 (en) * | 1988-10-31 | 1990-02-28 | Zeiss Jena Veb Carl | GAME FREE MECHANICAL COUPLING |
| CN1172006A (en) * | 1997-06-02 | 1998-02-04 | 华中理工大学 | Coupling for hydraulic screw press |
| CN101058180A (en) * | 2004-04-12 | 2007-10-24 | 日立工机株式会社 | Electric tool and gear unit assembled in the same |
| JP2010038170A (en) * | 2008-07-31 | 2010-02-18 | Kuri Seven:Kk | Flexible shaft-coupling |
| CN103821834A (en) * | 2014-03-20 | 2014-05-28 | 重庆大学 | Steel wire rope ring elastic coupler |
| CN104385294A (en) * | 2014-11-17 | 2015-03-04 | 河北工业大学 | Flexible joint for joint robot |
| CN205806247U (en) * | 2016-07-28 | 2016-12-14 | 德阳市东方自动控制成套设备有限公司 | A kind of shaft coupling mounting structure being axially movable |
| CN208651461U (en) * | 2018-05-22 | 2019-03-26 | 河北工业大学 | A kind of self-stabilization revolving speed yielding coupling |
-
2018
- 2018-05-22 CN CN201810492370.XA patent/CN108488249B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB650287A (en) * | 1947-07-17 | 1951-02-21 | Westinghouse Electric Int Co | Improvements in or relating to power transmitting coupling devices |
| GB2018394A (en) * | 1978-04-06 | 1979-10-17 | Burroughs Corp | Resilient bi-directional slip coupling |
| DD276516A1 (en) * | 1988-10-31 | 1990-02-28 | Zeiss Jena Veb Carl | GAME FREE MECHANICAL COUPLING |
| CN1172006A (en) * | 1997-06-02 | 1998-02-04 | 华中理工大学 | Coupling for hydraulic screw press |
| CN101058180A (en) * | 2004-04-12 | 2007-10-24 | 日立工机株式会社 | Electric tool and gear unit assembled in the same |
| JP2010038170A (en) * | 2008-07-31 | 2010-02-18 | Kuri Seven:Kk | Flexible shaft-coupling |
| CN103821834A (en) * | 2014-03-20 | 2014-05-28 | 重庆大学 | Steel wire rope ring elastic coupler |
| CN104385294A (en) * | 2014-11-17 | 2015-03-04 | 河北工业大学 | Flexible joint for joint robot |
| CN205806247U (en) * | 2016-07-28 | 2016-12-14 | 德阳市东方自动控制成套设备有限公司 | A kind of shaft coupling mounting structure being axially movable |
| CN208651461U (en) * | 2018-05-22 | 2019-03-26 | 河北工业大学 | A kind of self-stabilization revolving speed yielding coupling |
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| Publication number | Publication date |
|---|---|
| CN108488249A (en) | 2018-09-04 |
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