CN216524790U - Involute spline type coupling device for engine test - Google Patents
Involute spline type coupling device for engine test Download PDFInfo
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- CN216524790U CN216524790U CN202123343627.1U CN202123343627U CN216524790U CN 216524790 U CN216524790 U CN 216524790U CN 202123343627 U CN202123343627 U CN 202123343627U CN 216524790 U CN216524790 U CN 216524790U
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Abstract
The utility model discloses an involute spline type coupling device for an engine test, which comprises a connecting disc connected with a main shaft connecting disc of a dynamometer, a connecting disc assembly connected with an output shaft of the engine, and an involute spline coupling mechanism arranged between the connecting disc and the connecting disc assembly, wherein the involute spline coupling mechanism comprises an involute spline shaft, an involute spline shaft connector sleeved at one end, close to the connecting disc, of the involute spline shaft, a buffer rubber block sleeved on the involute spline shaft connector, and a check ring structure used for axially limiting the involute spline shaft. The transmission device has a simple structure and a reasonable design, realizes the transmission connection of the output shaft of the engine and the main shaft connecting disc of the dynamometer, has the functions of axial limiting and buffering, and improves the transmission stability.
Description
Technical Field
The utility model belongs to the technical field of couplings, and particularly relates to an involute spline type coupling device for an engine test.
Background
The coupler is widely applied to the fields of engine tests, non-coaxial transmission connection and the like, and the existing coupler comprises a diaphragm coupler, a rigid coupler and the like. The installation of rigid coupling is simple, but does not have buffer function, and unsuitable vibration big field (for example engine test), diaphragm formula shaft coupling have the effect of buffering vibration in certain extent, but when the vibration is great, especially when having the axial float between the disalignment when the operation, then lead to diaphragm coupling's diaphragm to damage easily, consequently, need the engine test with buffering limit function who is convenient for operate and use involute spline formula shaft coupling device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an involute spline type coupling device for an engine test, which has a simple structure and a reasonable design, realizes the transmission connection of an engine output shaft and a dynamometer main shaft connecting disc, has the functions of axial limiting and buffering, and improves the transmission stability.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides an engine is experimental with involute spline formula shaft coupling device which characterized in that: including the connection pad of being connected with dynamometer owner hub disk, with engine output shaft's connection pad assembly and the involute spline coupling mechanism of setting between connection pad and connection pad assembly, involute spline coupling mechanism includes involute spline shaft, cover and establishes involute spline shaft connector and the cover that is close to connection pad one end at involute spline shaft and establish the buffer rubber piece on involute spline shaft connector to and be used for the retaining ring structure to involute spline shaft axial spacing.
Foretell engine test is with spline type coupling device that gradually bursts at seams, its characterized in that: involute spline shaft includes the straight-shaft section, sets up at the first external splines that gradually bursts at the seams of straight-shaft section one end and sets up the second external splines that gradually bursts at the seams of straight-shaft section other end, straight-shaft section, first external splines that gradually burst at the seams and second external splines integrated into one piece that gradually bursts at the seams, first external splines that gradually burst at the seams are located the spline shaft connector that gradually bursts at the seams and mesh and connect, the second external splines that gradually bursts at the seams stretch into in the connection pad assembly and mesh and connect.
Foretell engine test is with spline type coupling device that gradually bursts at seams, its characterized in that: a first installation cavity is arranged in the involute spline shaft connector, the first installation cavity and the involute spline shaft connector are coaxially arranged, and an involute inner spline section which is engaged and installed with a first involute outer spline is arranged on the side wall of the first installation cavity;
the circumference lateral wall of involute spline hub connection ware is provided with a plurality of radial evenly distributed's circumference screw hole.
Foretell engine test is with spline type coupling device that gradually bursts at seams, its characterized in that: the buffer rubber block is provided with a plurality of first step holes which are uniformly distributed along the axial direction and a plurality of second step holes which are uniformly distributed along the radial direction;
the connecting disc is provided with a plurality of threaded holes which are uniformly distributed along the axial direction and a connecting hole which is used for connecting the connecting disc of the main shaft of the dynamometer, a first bolt penetrates through the first stepped hole and the threaded hole, and the first bolt connects the buffer rubber block with the connecting disc;
and a second bolt is penetrated through the second stepped hole and the circumferential threaded hole and connects the buffer rubber block with the involute spline shaft connector.
Foretell engine test is with spline type coupling device that gradually bursts at seams, its characterized in that: the connecting disc assembly comprises a first connecting disc and a second connecting disc, a plurality of connecting threaded holes are uniformly distributed in the axial direction on the first connecting disc, a positioning boss is arranged on the side face, close to the second connecting disc, of the first connecting disc, a connecting disc mounting cavity is coaxially arranged in the first connecting disc, and a connecting disc involute inner spline section matched with a second involute outer spline in meshing mounting is arranged on the inner side wall of the connecting disc mounting cavity;
the connecting bolt is arranged in the mounting through holes and the connecting threaded holes in a penetrating mode, the first connecting disc is connected with the second connecting disc through the connecting bolt, the side face of the second connecting disc is provided with a mounting groove matched with the positioning boss, and an output shaft mounting hole for connecting an output shaft of an engine is formed in the second connecting disc.
Foretell engine test is with spline type coupling device that gradually bursts at seams, its characterized in that: the inside wall of the involute spline shaft connector is provided with a first retainer ring groove and a second retainer ring groove, and the inside wall of the first connecting disc is provided with an end retainer ring groove.
Foretell engine test is with spline type coupling device that gradually bursts at seams, its characterized in that: the retaining ring structure comprises a first hole retaining ring arranged in a first retaining ring groove and a second hole retaining ring arranged in a second retaining ring groove, the first hole retaining ring is attached to the outer end face of the first involute external spline, and the second hole retaining ring is sleeved on the straight shaft section and is close to the inner end face of the first involute external spline.
Foretell engine test is with spline type coupling device that gradually bursts at seams, its characterized in that: the retaining ring structure comprises a first hole retaining ring arranged in a first retaining ring groove and a third hole retaining ring arranged in an end retaining ring groove, wherein the first hole retaining ring is attached to the outer end face of the first involute external spline, and the third hole retaining ring is attached to the outer end face of the second involute external spline.
Compared with the prior art, the utility model has the following advantages:
1. the utility model has simple structure, reasonable design, simple and convenient operation and lower input cost.
2. The utility model is provided with an involute spline coupling mechanism to realize the transmission connection of an engine output shaft and a dynamometer main shaft connecting disc so as to facilitate the engine test.
3. The utility model adopts an involute spline shaft structure, and two ends of the involute spline shaft are connected with the connecting disc through the involute spline, so that on one hand, larger torque can be transmitted, on the other hand, when the coupler runs, the rotational inertia of the involute spline shaft part is smaller, higher rotating speed can be allowed, and the use effect is good; in addition, the buffering rubber block component is arranged to realize buffering between the power machine spindle connecting disc and the engine output shaft.
4. The utility model is provided with the retaining ring structure to limit the axial movement of the involute spline shaft so as to limit the axial movement of the involute spline shaft and improve the stability and reliability of transmission.
In conclusion, the transmission device is simple in structure and reasonable in design, realizes transmission connection between the output shaft of the engine and the spindle connecting disc of the dynamometer, has the functions of axial limiting and buffering, and improves the transmission stability.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the involute spline shaft of the present invention.
FIG. 3 is a schematic structural view of a cushion rubber block according to the present invention.
FIG. 4 is a schematic diagram of the structure of the connecting pad of the present invention.
Fig. 5 is a schematic structural view of the involute spline shaft connector of the present invention.
Fig. 6 is a schematic structural diagram of the first connection plate of the present invention.
FIG. 7 is a schematic structural diagram of a second land according to the present invention.
Description of reference numerals:
1-a connecting disc; 1-connecting hole; 1-2-threaded hole;
1-3-central through hole; 2-buffer rubber block; 2-1 — a first stepped bore;
2-2 — a second stepped bore; 2-3-hollow cavity;
3-involute spline shaft connector; 3-1 — a first mounting cavity; 3-2-involute internal spline section;
3-circumferential threaded hole; 4-involute spline shaft;
4-1-straight shaft section; 4-2-a first involute external spline;
4-3-a second involute external spline; 5, connecting a disc assembly; 5-1 — a first splice tray;
5-1-connecting threaded hole; 5-1-2-positioning boss; 5-1-3-connecting disc mounting cavity;
5-1-4-connecting disc involute internal spline section; 5-2-second connecting disc;
5-2-1-installing a through hole; 5-2-mounting groove; 5-2-3-output shaft mounting holes;
6-1-first retainer groove; 6-2-second retainer groove; 7-end retainer groove.
Detailed Description
As shown in fig. 1, the utility model comprises a connecting disc 1 connected with a spindle connecting disc of a dynamometer, a connecting disc assembly 5 connected with an output shaft of an engine, and an involute spline coupling mechanism arranged between the connecting disc 1 and the connecting disc assembly 5, wherein the involute spline coupling mechanism comprises an involute spline shaft 4, an involute spline shaft connector 3 sleeved at one end of the involute spline shaft 4 close to the connecting disc 1, a buffer rubber block 2 sleeved on the involute spline shaft connector 3, and a retainer ring structure used for axially limiting the involute spline shaft 4.
As shown in fig. 2, in this embodiment, the involute spline shaft 4 includes a straight shaft section 4-1, a first involute external spline 4-2 disposed at one end of the straight shaft section 4-1, and a second involute external spline 4-3 disposed at the other end of the straight shaft section 4-1, wherein the straight shaft section 4-1, the first involute external spline 4-2, and the second involute external spline 4-3 are integrally formed, the first involute external spline 4-2 is located in the involute spline shaft connector 3 and is engaged with the first involute external spline, and the second involute external spline 4-3 extends into the connecting disc assembly 5 and is engaged with the second involute external spline.
As shown in fig. 5, in this embodiment, a first mounting cavity 3-1 is arranged in the involute spline shaft connector 3, the first mounting cavity 3-1 and the involute spline shaft connector 3 are coaxially arranged, and an involute inner spline section 3-2 engaged with a first involute outer spline 4-2 is arranged on a side wall of the first mounting cavity 3-1;
the circumferential side wall of the involute spline shaft connector 3 is provided with a plurality of circumferential threaded holes 3-3 which are uniformly distributed along the radial direction.
As shown in fig. 3 and 4, in this embodiment, the cushion rubber block 2 is provided with a plurality of first stepped holes 2-1 uniformly distributed along the axial direction and a plurality of second stepped holes 2-2 uniformly distributed along the radial direction;
the connecting disc 1 is provided with a plurality of threaded holes 1-2 which are uniformly distributed along the axial direction and a connecting hole 1-1 for connecting the connecting disc of the main shaft of the dynamometer, a first bolt penetrates through the first stepped hole 2-1 and the threaded hole 1-2, and the first bolt connects the buffer rubber block 2 with the connecting disc 1;
and a second bolt penetrates through the second stepped hole 2-2 and the circumferential threaded hole 3-3 and connects the buffer rubber block 2 with the involute spline shaft connector 3.
As shown in fig. 6 and 7, in this embodiment, the connection disc assembly 5 includes a first connection disc 5-1 and a second connection disc 5-2, the first connection disc 5-1 is provided with a plurality of axially uniformly distributed connection threaded holes 5-1-1, a positioning boss 5-1-2 is provided on a side surface of the first connection disc 5-1 close to the second connection disc 5-2, a connection disc installation cavity 5-1-3 coaxially arranged is provided in the first connection disc 5-1, and an inner side wall of the connection disc installation cavity 5-1-3 is provided with a connection disc involute inner spline section 5-1-4 engaged and installed with a second involute outer spline 4-3;
the second connecting disc 5-2 is provided with a plurality of axially and uniformly distributed mounting through holes 5-2-1, connecting bolts penetrate through the mounting through holes 5-2-1 and the connecting threaded holes 5-1-1 and connect the first connecting disc 5-1 with the second connecting disc 5-2, a mounting groove 5-2-2 matched with the positioning boss 5-1-2 is formed in the side surface of the second connecting disc 5-2, and an output shaft mounting hole 5-2-3 for connecting an output shaft of an engine is formed in the second connecting disc 5-2.
In the embodiment, a first retainer ring groove 6-1 and a second retainer ring groove 6-2 are formed in the inner side wall of the involute spline shaft connector 3, and an end retainer ring groove 7 is formed in the inner side wall of the first connecting disc 5-1.
In this embodiment, the retainer ring structure includes a first hole retainer ring disposed in the first retainer ring groove 6-1 and a second hole retainer ring disposed in the second retainer ring groove 6-2, the first hole retainer ring is attached to the outer end surface of the first involute external spline 4-2, and the second hole retainer ring is sleeved on the straight shaft section 4-1 and is close to the inner end surface of the first involute external spline 4-2.
In this embodiment, the retainer ring structure includes a first hole retainer ring disposed in the first retainer ring groove 6-1 and a third hole retainer ring disposed in the end retainer ring groove 7, the first hole retainer ring is attached to the outer end surface of the first involute external spline 4-2, and the third hole retainer ring is attached to the outer end surface of the second involute external spline 4-3.
In the embodiment, a hollow cavity 2-3 for accommodating an involute spline shaft connector 3 is arranged in the buffer rubber block 2, and a central through hole 1-3 is formed in the center of the connecting disc 1.
In this embodiment, the first retainer ring groove 6-1 and the second retainer ring groove 6-2 are both located in the first installation cavity 3-1 and close to two ends of the first involute external spline 4-2.
In the embodiment, the end retainer ring groove 7 is positioned in the connecting disc mounting cavity 5-1-3, and the end retainer ring groove 7 is positioned at the end part of the connecting disc involute internal spline section 5-1-4 close to the second connecting disc 5-2.
In the embodiment, the inner diameters of the two ends of the involute inner spline section 3-2 are larger than the inner diameter of the middle part of the involute inner spline section 3-2, so that the first involute outer spline 4-2 can be conveniently installed.
In this embodiment, during the in-service use, involute spline shaft 4 still can adopt involute spline to lead to the axle, adopts for the first hole retaining ring and the third hole retaining ring to carry out axial spacing.
In this embodiment, in actual use, the thickness of the involute spline shaft connector 3 is greater than the length of the first involute external spline 4-2, so that the first involute external spline 4-2 extends into the first mounting cavity 3-1 of the involute spline shaft connector 3, and the first retainer groove 6-1 and the second retainer groove 6-2 are convenient to mount.
In this embodiment, in actual use, the thickness of the first connecting disc 5-1 is smaller than the length of the second involute external spline 4-3, so that the second involute external spline 4-3 partially extends into the connecting disc mounting cavity 5-1-3 of the first connecting disc 5-1.
In the embodiment, the involute spline shaft 4 is arranged, on one hand, one end of the involute spline shaft 4 is connected with the connecting disc 1 through the involute spline shaft connector 3 and the buffer rubber block 2, on the other hand, the involute spline shaft is connected with the connecting disc assembly 5, and therefore the transmission connection between the output shaft of the engine and the spindle connecting disc of the dynamometer is achieved under the conditions that the connecting disc 1 is connected with the spindle connecting disc of the dynamometer and the connecting disc assembly 5 is connected with the output shaft of the engine, and therefore the engine test is facilitated.
In the embodiment, the involute spline shaft 4 is arranged, so that on one hand, larger torque can be transmitted, and on the other hand, when the coupler runs, the rotational inertia of the involute spline shaft 4 is smaller, so that higher rotating speed can be allowed, and the use effect is good; in addition, the buffering rubber block 2 is arranged to realize buffering between the power machine spindle connecting disc and the engine output shaft.
In this embodiment, the first hole retainer ring and the second hole retainer ring are provided to limit the axial play of the involute spline shaft 4 by limiting the two ends of the first involute external spline 4-2, or the first hole retainer ring and the third hole retainer ring are provided to limit the two ends of the involute spline shaft 4 to limit the axial play of the involute spline shaft 4, thereby improving the transmission stability.
In conclusion, the transmission device is simple in structure and reasonable in design, realizes transmission connection between the output shaft of the engine and the spindle connecting disc of the dynamometer, has the functions of axial limiting and buffering, and improves the transmission stability.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an engine is experimental with spline type coupling device that gradually bursts at seams which characterized in that: including connection pad (1) be connected with dynamometer machine main shaft connection pad, with connection pad assembly (5) of engine output shaft and set up the spline shaft coupling mechanism that gradually bursts at the seams between connection pad (1) and connection pad assembly (5), the spline shaft coupling mechanism that gradually bursts at the seams includes that integral key shaft (4), cover gradually burst at the seams is close to involute spline shaft connector (3) and the cover of connection pad (1) one end and is established cushion rubber piece (2) on involute spline shaft connector (3) to and be used for to involute spline shaft (4) axial spacing retaining ring structure.
2. An involute spline type coupling device for an engine test according to claim 1, wherein: involute spline shaft (4) include straight shaft section (4-1), set up first involute external spline (4-2) and second involute external spline (4-3) that set up at straight shaft section (4-1) one end at straight shaft section (4-1) other end, straight shaft section (4-1), first involute external spline (4-2) and second involute external spline (4-3) integrated into one piece, first involute external spline (4-2) are located involute spline shaft connector (3) and the meshing is connected, second involute external spline (4-3) stretch into in connection pad assembly (5) and the meshing is connected.
3. An involute spline type coupling device for an engine test according to claim 2, wherein: a first installation cavity (3-1) is arranged in the involute spline shaft connector (3), the first installation cavity (3-1) and the involute spline shaft connector (3) are coaxially arranged, and an involute inner spline section (3-2) matched with a first involute outer spline (4-2) in a meshing mode is arranged on the side wall of the first installation cavity (3-1);
the circumferential side wall of the involute spline shaft connector (3) is provided with a plurality of circumferential threaded holes (3-3) which are uniformly distributed along the radial direction.
4. An involute spline type coupling device for an engine test according to claim 3, wherein: the buffer rubber block (2) is provided with a plurality of first step holes (2-1) which are uniformly distributed along the axial direction and a plurality of second step holes (2-2) which are uniformly distributed along the radial direction;
the connecting disc (1) is provided with a plurality of threaded holes (1-2) which are uniformly distributed along the axial direction and a connecting hole (1-1) for connecting the connecting disc of the main shaft of the dynamometer, a first bolt penetrates through the first stepped hole (2-1) and the threaded hole (1-2), and the first bolt connects the buffer rubber block (2) with the connecting disc (1);
and a second bolt is arranged in the second stepped hole (2-2) and the circumferential threaded hole (3-3) in a penetrating manner, and the buffer rubber block (2) and the involute spline shaft connector (3) are connected by the second bolt.
5. An involute spline type coupling device for an engine test according to claim 2, wherein: the connecting disc assembly (5) comprises a first connecting disc (5-1) and a second connecting disc (5-2), a plurality of axially uniformly distributed connecting threaded holes (5-1-1) are formed in the first connecting disc (5-1), a positioning boss (5-1-2) is arranged on the side face, close to the second connecting disc (5-2), of the first connecting disc (5-1), a connecting disc mounting cavity (5-1-3) which is coaxially arranged is formed in the first connecting disc (5-1), and a connecting disc involute inner spline section (5-1-4) which is matched with a second involute outer spline (4-3) to be installed in a meshed mode is arranged on the inner side wall of the connecting disc mounting cavity (5-1-3);
the engine output shaft connecting structure is characterized in that a plurality of axially and uniformly distributed mounting through holes (5-2-1) are formed in the second connecting disc (5-2-2), connecting bolts penetrate through the mounting through holes (5-2-1) and the connecting threaded holes (5-1-1) and connect the first connecting disc (5-1) with the second connecting disc (5-2), mounting grooves (5-2-2) matched with the positioning bosses (5-1-2) are formed in the side face of the second connecting disc (5-2), and output shaft mounting holes (5-2-3) for connecting an engine output shaft are formed in the second connecting disc (5-2).
6. An involute spline type coupling device for an engine test according to claim 5, wherein: the inside wall of the involute spline shaft connector (3) is provided with a first retainer ring groove (6-1) and a second retainer ring groove (6-2), and the inside wall of the first connecting disc (5-1) is provided with an end retainer ring groove (7).
7. An involute spline type coupling device for an engine test according to claim 6, wherein: the check ring structure comprises a first hole check ring arranged in a first check ring groove (6-1) and a second hole check ring arranged in a second check ring groove (6-2), wherein the first hole check ring is attached to the outer end face of a first involute external spline (4-2), and the second hole check ring is sleeved on a straight shaft section (4-1) and is close to the inner end face of the first involute external spline (4-2).
8. An involute spline type coupling device for an engine test according to claim 6, wherein: the retainer ring structure comprises a first hole retainer ring arranged in a first retainer ring groove (6-1) and a third hole retainer ring arranged in an end retainer ring groove (7), wherein the first hole retainer ring is attached to the outer end face of the first involute external spline (4-2), and the third hole retainer ring is attached to the outer end face of the second involute external spline (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123343627.1U CN216524790U (en) | 2021-12-28 | 2021-12-28 | Involute spline type coupling device for engine test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123343627.1U CN216524790U (en) | 2021-12-28 | 2021-12-28 | Involute spline type coupling device for engine test |
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| Publication Number | Publication Date |
|---|---|
| CN216524790U true CN216524790U (en) | 2022-05-13 |
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ID=81505549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123343627.1U Active CN216524790U (en) | 2021-12-28 | 2021-12-28 | Involute spline type coupling device for engine test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216524790U (en) |
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2021
- 2021-12-28 CN CN202123343627.1U patent/CN216524790U/en active Active
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