CN107366688B - Coupling structure - Google Patents
Coupling structure Download PDFInfo
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- CN107366688B CN107366688B CN201710758715.7A CN201710758715A CN107366688B CN 107366688 B CN107366688 B CN 107366688B CN 201710758715 A CN201710758715 A CN 201710758715A CN 107366688 B CN107366688 B CN 107366688B
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- connecting flange
- driven
- driving
- shaft
- driving shaft
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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
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a coupling structure which comprises a driving shaft, a driven shaft and a coupling assembly, wherein the driving shaft and the driven shaft are coaxially arranged, a driving limit groove is formed in an annular recess at the end part of the driving shaft, and a driven limit groove is formed in an annular recess at the end part of the driven shaft; the coupling assembly comprises a connecting flange cover, a connecting flange seat, a driven shaft connecting flange and a driving shaft connecting flange; the connecting flange cover and the connecting flange seat are arc-shaped plates, limiting blocks are protruded on two sides of the inner cambered surfaces of the connecting flange cover and the connecting flange seat, and the limiting blocks on two sides are respectively positioned in the driving limiting groove and the driven limiting groove; the driven shaft connecting flange is arranged on the driven shaft through a key sleeve, the driving shaft connecting flange is arranged on the driving shaft through a key sleeve, and the driven shaft connecting flange and the driving shaft connecting flange compress the connecting flange cover and the connecting flange seat; the invention improves the reliability and stability of the power transmission operation between the coupler component and the driving shaft and the driven shaft.
Description
Technical Field
The invention belongs to the technical field of coupling transmission, and particularly relates to a coupling structure.
Background
The coupling is a mechanical part for coupling two shafts (a driving shaft and a driven shaft) in different mechanisms to rotate together to transmit torque. In the high-speed and heavy-load power transmission, some couplings have the functions of buffering, damping and improving the dynamic performance of a shaft system. The general coupling consists of two halves which are respectively connected with a driving shaft and a driven shaft. Typically, the power machine is coupled to the work machine by means of a coupling. The general coupling can only transmit torque and cannot bear an excessive axial load, for example, when a vertical connection mode is adopted, and when a large gravity load exists on one side of a driving shaft or a driven shaft, the coupling is easy to fall off and other bad phenomena, so that potential safety hazards are brought.
Disclosure of Invention
In order to solve the problem that a general coupling structure cannot bear the excessive axial load, the invention provides the coupling structure which has a simple structure and can bear the relatively heavy axial load.
The coupling structure comprises a driving shaft, a driven shaft and a coupling assembly, wherein the driving shaft and the driven shaft are coaxially arranged, a driving limit groove is formed in an annular recess at the output end part of the driving shaft, and a driven limit groove is formed in an annular recess at the input end part of the driven shaft;
the coupler assembly comprises a connecting flange cover, a connecting flange seat, a driven shaft connecting flange and a driving shaft connecting flange;
the connecting flange cover and the connecting flange seat are arc-shaped plates, arc-shaped first limiting blocks are respectively protruded on two sides of the inner cambered surface of the connecting flange cover, and arc-shaped second limiting blocks are respectively protruded on two sides of the inner cambered surface of the connecting flange seat;
the connecting flange cover and the connecting flange seat are oppositely arranged at two sides of the transmission part of the driving shaft and the driven shaft, the first limiting blocks at two sides of the connecting flange cover are respectively clamped at one sides in the driving limiting groove and the driven limiting groove, and the second limiting blocks at two sides of the connecting flange seat are respectively clamped at the other sides in the driving limiting groove and the driven limiting groove;
the driven shaft connecting flange and the driving shaft connecting flange are sleeve-shaped, an annular first limiting table is recessed in an inner ring of one end face of the driven shaft connecting flange, and an annular second limiting table is recessed in an inner ring of one end face of the driving shaft connecting flange;
the driven shaft connecting flange is sleeved on the driven shaft through a key, and the first limiting table is clamped on the outer wall of one side of the connecting flange cover and the connecting flange seat; the driving shaft connecting flange is arranged on the driving shaft through a key sleeve, the second limiting table is clamped on the outer wall of the other side of the connecting flange cover and the connecting flange seat, and the driven shaft connecting flange is connected with the driving shaft connecting flange through bolts.
Further, screw holes are formed in the two arc-shaped ends of the connecting flange seat, stepped holes are formed in the two arc-shaped ends of the connecting flange cover, bolts are arranged in the stepped holes, and screw thread sections of the bolts are screwed into the screw holes of the corresponding connecting flange seat to achieve connection of the connecting flange cover and the connecting flange seat.
Further, a driving key groove is formed in the driving shaft, a first key groove corresponding to the driving key groove is formed in the inner wall of the driving shaft connecting flange, and driving flat keys are arranged in the driving key groove and the first key groove; the driven shaft is provided with a driven key groove, a second key groove corresponding to the driven key groove is arranged at the inner wall of the driven shaft connecting flange, and a driven flat key is arranged in the driven key groove and the second key groove.
Further, the radial evagination of inner outer wall department of driven shaft flange has first go-between, and it has first shoulder hole to distribute on the first go-between, the radial evagination of inner outer wall department of driving shaft flange has the second go-between, and it has first screw with first shoulder hole one-to-one to distribute on the second go-between, all the spiral is equipped with connecting bolt in corresponding first shoulder hole and the first screw.
Further, the outer end of the connecting bolt extends out of the corresponding first screw hole, and a nut is screwed on the extending end of the connecting bolt.
The beneficial technical effects of the invention are as follows:
the invention designs a coupling structure capable of bearing heavier axial load, the coupling component has good rigidity, and the axial bearing capacity of the coupling component is enhanced, so that the coupling can well transmit torque and can be lifted to bear heavier axial load when in vertical use, the potential safety hazard caused by insufficient axial bearing capacity is effectively avoided, and the reliability and stability of power transmission operation between the coupling component and the driving shaft and the driven shaft are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural diagram of a driving shaft and a driven shaft according to the present invention.
Fig. 4 is a schematic diagram of the connection of the connecting flange cover with the driving shaft and the driven shaft.
Fig. 5 is a connection schematic diagram of the connection flange cover and the connection flange base of the present invention.
FIG. 6 is a schematic view of the connection between the driven shaft connecting flange and the driven shaft according to the present invention.
Number in the figure: the driving shaft 1, the driving limiting groove 11, the driven shaft 2, the driven limiting groove 21, the driving shaft connecting flange 3, the driven shaft connecting flange 4, the connecting bolts 41, the second limiting table 42, the connecting flange seat 5 and the connecting flange cover 6.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1, 2 and 3, a coupling structure comprises a driving shaft 1, a driven shaft 2 and a coupling assembly, wherein the driving shaft 1 and the driven shaft 2 are coaxially arranged, a driving limit groove 11 is annularly recessed in the output end part of the driving shaft 1, and a driven limit groove 21 is annularly recessed in the input end part of the driven shaft 2;
the coupler assembly comprises a connecting flange cover 6, a connecting flange seat 5, a driven shaft connecting flange 4 and a driving shaft connecting flange 3;
the connecting flange cover 6 and the connecting flange seat 5 are arc-shaped plates, arc-shaped first limiting blocks are respectively protruded on two sides of the inner cambered surface of the connecting flange cover 6, and arc-shaped second limiting blocks are respectively protruded on two sides of the inner cambered surface of the connecting flange seat 5;
the connecting flange cover 6 and the connecting flange seat 5 are oppositely arranged at two sides of the transmission position of the driving shaft 1 and the driven shaft 2, as shown in fig. 4 and 5, the first limiting blocks at two sides of the connecting flange cover 6 are respectively clamped at one sides in the driving limiting groove 11 and the driven limiting groove 21, and the second limiting blocks at two sides of the connecting flange seat 5 are respectively clamped at the other sides in the driving limiting groove 11 and the driven limiting groove 21;
the driven shaft connecting flange 4 and the driving shaft connecting flange 3 are sleeve-shaped, an annular first limiting table 42 is recessed in the inner ring of one end face of the driven shaft connecting flange 4, and an annular second limiting table is recessed in the inner ring of one end face of the driving shaft connecting flange 3;
referring to fig. 6, the driven shaft connecting flange 4 is sleeved on the driven shaft 2 through a key, and the first limiting table 42 is clamped on the outer wall of one side of the connecting flange cover 6 and the connecting flange seat 5; the driving shaft connecting flange 3 is arranged on the driving shaft 1 through a key sleeve, the second limiting table 42 is clamped on the outer wall of the other side of the connecting flange cover 6 and the connecting flange seat 5, and the driven shaft connecting flange 4 is connected with the driving shaft connecting flange 3 through bolts.
Further, screw holes are formed in the two arc-shaped ends of the connecting flange seat 5, stepped holes are formed in the two arc-shaped ends of the connecting flange cover 6, bolts are arranged in the stepped holes, screw thread sections of the bolts are screwed into the screw holes of the corresponding connecting flange seat 5, and connection between the connecting flange cover 6 and the connecting flange seat 5 is achieved.
Further, a driving key groove is formed in the driving shaft 1, a first key groove corresponding to the driving key groove is formed in the inner wall of the driving shaft connecting flange 3, and driving flat keys are arranged in the driving key groove and the first key groove;
the driven shaft 2 is provided with a driven key groove, the inner wall of the driven shaft connecting flange 4 is provided with a second key groove corresponding to the driven key groove, and driven flat keys are arranged in the driven key groove and the second key groove.
Further, the outer wall of the inner end of the driven shaft connecting flange 4 is radially outwards protruded with a first connecting ring, first stepped holes are distributed on the first connecting ring, the outer wall of the inner end of the driving shaft connecting flange 3 is radially outwards protruded with a second connecting ring, first screw holes corresponding to the first stepped holes one to one are distributed on the second connecting ring, and connecting bolts 41 are spirally arranged in the corresponding first stepped holes and the first screw holes.
Further, the outer end of the connecting bolt 41 extends out of the corresponding first screw hole, and a nut is screwed on the extending end of the connecting bolt 41.
When the invention works, the inner annular connecting flange cover and the protruding limiting block of the annular connecting flange seat are respectively matched with the driving limiting groove at the end part of the driving shaft and the driven limiting groove at the end part of the driven shaft, so that the whole structure can bear heavy axial load, and meanwhile, the outer driven shaft connecting flange and the driving shaft connecting flange are rigidly connected, the connecting rigidity is enhanced, and the torque transmitting capacity is enhanced. The performance of the coupler is guaranteed, and meanwhile, the operation reliability of the coupler is enhanced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The shaft coupling structure comprises a driving shaft (1), a driven shaft (2) and a shaft coupling assembly, wherein the driving shaft (1) and the driven shaft (2) are coaxially arranged, and the shaft coupling structure is characterized in that a driving limit groove (11) is annularly recessed in the output end part of the driving shaft (1), and a driven limit groove (21) is annularly recessed in the input end part of the driven shaft (2);
the coupler assembly comprises a connecting flange cover (6), a connecting flange seat (5), a driven shaft connecting flange (4) and a driving shaft connecting flange (3);
the connecting flange cover (6) and the connecting flange seat (5) are arc-shaped plates, arc-shaped first limiting blocks are respectively protruded on two sides of the inner cambered surface of the connecting flange cover (6), and arc-shaped second limiting blocks are respectively protruded on two sides of the inner cambered surface of the connecting flange seat (5);
the connecting flange cover (6) and the connecting flange seat (5) are oppositely arranged at two sides of a transmission part of the driving shaft (1) and the driven shaft (2), first limiting blocks at two sides of the connecting flange cover (6) are respectively clamped at one sides in the driving limiting groove (11) and the driven limiting groove (21), and second limiting blocks at two sides of the connecting flange seat (5) are respectively clamped at the other sides in the driving limiting groove (11) and the driven limiting groove (21);
the driven shaft connecting flange (4) and the driving shaft connecting flange (3) are sleeve-shaped, an annular first limiting table (42) is recessed in an inner ring of one end face of the driven shaft connecting flange (4), and an annular second limiting table is recessed in an inner ring of one end face of the driving shaft connecting flange (3);
the driven shaft connecting flange (4) is sleeved on the driven shaft (2) through a key, and the first limiting table (42) is clamped on the outer wall of one side of the connecting flange cover (6) and the connecting flange seat (5); the driving shaft connecting flange (3) is arranged on the driving shaft (1) through a key sleeve, the second limiting table is clamped on the outer wall of the other side of the connecting flange cover (6) and the connecting flange seat (5), and the driven shaft connecting flange (4) is connected with the driving shaft connecting flange (3) through bolts.
2. The coupling structure of claim 1, wherein screw holes are formed in the two arc-shaped ends of the connecting flange seat (5), stepped holes are formed in the two arc-shaped ends of the connecting flange cover (6), bolts are arranged in the stepped holes, and thread sections of the bolts are spirally connected in the screw holes of the corresponding connecting flange seat (5) to realize connection of the connecting flange cover (6) and the connecting flange seat (5).
3. The coupling structure of claim 1, wherein the driving shaft (1) is provided with a driving key groove, the inner wall of the driving shaft connecting flange (3) is provided with a first key groove corresponding to the driving key groove, and driving flat keys are arranged in the driving key groove and the first key groove;
the driven shaft (2) is provided with a driven key groove, a second key groove corresponding to the driven key groove is arranged on the inner wall of the driven shaft connecting flange (4), and a driven flat key is arranged in the driven key groove and the second key groove.
4. The coupling structure of claim 1, wherein a first connecting ring is radially outwards protruded at the outer wall of the inner end of the driven shaft connecting flange (4), first stepped holes are distributed on the first connecting ring, a second connecting ring is radially outwards protruded at the outer wall of the inner end of the driving shaft connecting flange (3), first screw holes in one-to-one correspondence with the first stepped holes are distributed on the second connecting ring, and connecting bolts (41) are spirally arranged in the corresponding first stepped holes and the second screw holes.
5. A coupling structure according to claim 4, wherein the outer end of the connecting bolt (41) extends out of the corresponding first screw hole, and a nut is screwed on the extending end of the connecting bolt (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758715.7A CN107366688B (en) | 2017-08-29 | 2017-08-29 | Coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758715.7A CN107366688B (en) | 2017-08-29 | 2017-08-29 | Coupling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107366688A CN107366688A (en) | 2017-11-21 |
| CN107366688B true CN107366688B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710758715.7A Active CN107366688B (en) | 2017-08-29 | 2017-08-29 | Coupling structure |
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| Country | Link |
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| CN (1) | CN107366688B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623046A (en) * | 2020-06-05 | 2020-09-04 | 杭州旗芳实业有限公司 | Flange plate convenient to mount and capable of preventing deviation |
| CN113202875A (en) * | 2021-05-21 | 2021-08-03 | 江苏伺华精密机械有限公司 | Novel coupler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB626942A (en) * | 1946-03-13 | 1949-07-25 | Victoria Machine Tool Company | Improvements in or relating to coupling devices for coupling rotating parts |
| CN202768789U (en) * | 2012-09-11 | 2013-03-06 | 浙江江南减速机有限公司 | A speed reducer with foundation-installing fast positioning structure |
| CN204284242U (en) * | 2014-11-19 | 2015-04-22 | 北汽福田汽车股份有限公司 | The mounting structure of the thermal shield of flexible coupling and vehicle |
| CN105020282A (en) * | 2014-04-29 | 2015-11-04 | 缪顺康 | Novel coupling |
| CN207377983U (en) * | 2017-08-29 | 2018-05-18 | 合肥恒大江海泵业股份有限公司 | A kind of coupling structure |
-
2017
- 2017-08-29 CN CN201710758715.7A patent/CN107366688B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB626942A (en) * | 1946-03-13 | 1949-07-25 | Victoria Machine Tool Company | Improvements in or relating to coupling devices for coupling rotating parts |
| CN202768789U (en) * | 2012-09-11 | 2013-03-06 | 浙江江南减速机有限公司 | A speed reducer with foundation-installing fast positioning structure |
| CN105020282A (en) * | 2014-04-29 | 2015-11-04 | 缪顺康 | Novel coupling |
| CN204284242U (en) * | 2014-11-19 | 2015-04-22 | 北汽福田汽车股份有限公司 | The mounting structure of the thermal shield of flexible coupling and vehicle |
| CN207377983U (en) * | 2017-08-29 | 2018-05-18 | 合肥恒大江海泵业股份有限公司 | A kind of coupling structure |
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| Publication number | Publication date |
|---|---|
| CN107366688A (en) | 2017-11-21 |
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