CN212621396U - Performance detection device of dual-mass flywheel - Google Patents
Performance detection device of dual-mass flywheel Download PDFInfo
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- CN212621396U CN212621396U CN202020992936.8U CN202020992936U CN212621396U CN 212621396 U CN212621396 U CN 212621396U CN 202020992936 U CN202020992936 U CN 202020992936U CN 212621396 U CN212621396 U CN 212621396U
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Abstract
The utility model discloses a performance detection device of dual mass flywheel, include: the flywheel fixing frame is used for fixing a primary mass block of the dual-mass flywheel; the flywheel flange plate is used for being connected with a secondary mass block of the dual-mass flywheel, and a connecting hole is formed in the center of the flywheel flange plate; the fixed clamping plate is used for being fixed on the flywheel fixing frame, and a through hole is formed in the center of the fixed clamping plate corresponding to the flywheel flange plate; the pointer flange plate is arranged in the through hole of the fixed clamping plate and comprises an angle plate, a pointer and a sleeve, the pointer is arranged on the sleeve, the angle plate is sleeved on the sleeve in a hollow mode and fixed on the fixed clamping plate, and the inner end of the sleeve is connected with a connecting hole in the center of the flywheel flange plate through the through hole. The performance of the torsion spring of the dual-mass flywheel can be detected, the performance of the torsion spring is ensured to be within a required range, and an effective basis is provided for outputting whether the dual-mass flywheel fails; the failure condition of the dual-mass flywheel is effectively reduced, and the condition that the engine fails is reduced; and the structure is simple, and the detection operation is simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of the engine detects technique and specifically relates to a performance detection device for aeroengine dual mass flywheel is related to.
Background
The existing engine can select a matched dual-mass flywheel in order to reduce the vibration and noise of an engine body and prolong the service life of the engine. The dual mass flywheel has sufficient mass and rotational inertia to provide sufficient torque reserve for the engine. Meanwhile, the structure of the dual-mass flywheel consists of a primary mass block and a secondary mass block, and the two mass blocks are connected through an internal spring.
When the dual-mass flywheel is used, the primary mass block is in hard connection with the crankshaft, namely vibration generated in the running process is synchronous with an engine; and the secondary mass block adopts flexible connection, so that vibration fluctuation of the engine is delayed in comparison with vibration fluctuation of the engine during operation, and the vibration intensity of the engine is inhibited. This is the most obvious advantage of using a dual mass flywheel. However, if the performance of the torsional vibration spring is attenuated in the use process of the dual-mass flywheel, the service life of the engine is greatly influenced, and the performance attenuation is difficult to judge visually.
The existing engine is considered in vibration and noise level, and a dual-mass flywheel can be assembled; the performance and reliability of the dual-mass flywheel are not monitored in the using process; when the dual-mass flywheel fails, the vibration reduction and noise reduction performance of the dual-mass flywheel is attenuated, and the dual-mass flywheel is extremely unfavorable for long-term use of an engine. However, in the maintenance process of the dual-mass flywheel, the appearance of the dual-mass flywheel is mainly checked, the torsional vibration performance of the spring is less concerned, a special detection device is not provided, and a support basis is lacked for failure judgment of the dual-mass flywheel.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a performance detection device of dual mass flywheel, it can detect the torsion spring performance of dual mass flywheel, ensures that its performance is within the requirement scope.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the performance detection device of this dual mass flywheel includes:
the flywheel fixing frame is used for fixing a primary mass block of the dual-mass flywheel;
the flywheel flange plate is used for being connected with a secondary mass block of the dual-mass flywheel, and a connecting hole is formed in the center of the flywheel flange plate;
the fixed clamping plate is used for being fixed on the flywheel fixing frame, and a through hole is formed in the center of the fixed clamping plate corresponding to the flywheel flange plate;
the pointer flange plate is arranged in the through hole of the fixed clamping plate and comprises an angle plate, a pointer and a sleeve, the pointer is arranged on the sleeve, the angle plate is sleeved on the sleeve in a hollow mode and fixed on the fixed clamping plate, and the inner end of the sleeve is connected with a connecting hole in the center of the flywheel flange plate through the through hole.
Further, still include testing platform, the flywheel mount includes horizontal plate and vertical board, and the horizontal plate is fixed on testing platform, is equipped with the flywheel fixed pin that is used for fixed primary quality piece of dual mass flywheel on the vertical board.
And a bearing is arranged in the through hole of the fixed clamping plate, and the pointer flange plate is fixed in the through hole through the bearing.
The one end of telescopic is equipped with the inner groovy that is used for the moment spanner to link to each other, and telescopic other end is the integral key shaft, and the connecting hole of flywheel ring flange is the internal spline hole with the looks adaptation of integral key shaft.
And the flywheel flange plate is provided with a flywheel flange plate mounting hole, and the flywheel flange plate and the secondary mass block of the dual-mass flywheel pass through the flywheel flange plate mounting hole through a fastening bolt to be connected with the flywheel upper hole.
The fixed splint are horizontal cover plates, and the two ends of the flywheel fixed mount corresponding to the fixed splint are provided with corresponding fixed splint mounting holes.
The fixed splint is provided with a handle.
The fixed clamp plate comprises a pair of connecting end plates and a transverse plate located between the connecting end plates, through holes in the fixed clamp plate are formed in the transverse plate, one end of each connecting end plate is connected with the corresponding end portion of the transverse plate, a flanging is arranged at the other end of each connecting end plate, and a mounting pin matched with the mounting hole of the fixed clamp plate is arranged on the flanging.
Compared with the prior art, the utility model, have following advantage:
the performance detection device of the dual-mass flywheel is reasonable and ingenious in structural design, can detect the performance of the torsion spring of the dual-mass flywheel, ensures that the performance of the torsion spring is within a required range, and provides an effective basis for outputting whether the dual-mass flywheel fails or not; the failure condition of the dual-mass flywheel is effectively reduced, and the condition that the engine fails is reduced; and the structure is simple, and the detection operation is simple and convenient.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of the flywheel fixing frame of the present invention.
Fig. 2 is a schematic view of the fixing splint of the present invention.
Fig. 3 is a schematic view of the dual mass flywheel of the present invention.
Fig. 4 is a schematic view of the flywheel flange of the present invention.
Fig. 5 is a schematic view of the needle roller bearing of the present invention.
Fig. 6 is a schematic view of the pointer flange of the present invention.
Fig. 7 is an exploded view of the device of the present invention.
In the figure:
1. a flywheel fixing frame, 1.1 flywheel fixing pins, 1.2 fixing splint mounting holes,
2. A fixed splint, 2.1. a handle, 2.2. a bearing mounting hole, 2.3. a mounting pin,
3. A dual mass flywheel, 3.1 flywheel mounting holes,
4. Flywheel flange, 4.1 flywheel flange mounting holes, 4.2 internal spline holes,
5. A needle roller bearing,
6. Pointer flange, spline shaft 6.1, angle scale 6.2, pointer 6.3, sleeve 6.4.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the performance testing apparatus for dual mass flywheel includes a testing platform, a flywheel fixing frame 1, a fixing clamp plate 2, a flywheel flange 4, a bearing and a pointer flange 6.
The flywheel fixing frame 1 is used for fixing a primary mass block of a dual-mass flywheel; the flywheel flange plate 4 is used for being connected with a secondary mass block of the dual-mass flywheel, and a connecting hole is formed in the center of the flywheel flange plate; the fixed splint are used for being fixed on the flywheel fixing frame, and the fixed splint are provided with a through hole corresponding to the center of the flywheel flange plate.
The pointer flange plate 6 is arranged in the through hole of the fixed clamping plate, the pointer flange plate comprises an angle plate 6.2, a pointer 6.3 and a sleeve 6.4, the pointer is fixedly arranged on the outer edge of the sleeve, the angle plate is sleeved on the sleeve in a hollow mode and fixed on the fixed clamping plate, and the inner end of the sleeve is connected with a connecting hole in the center of the flywheel flange plate through the through hole.
The flywheel fixing frame 1 comprises a horizontal plate and a vertical plate, the horizontal plate is fixed on the detection platform, a flywheel fixing pin 1.1 used for fixing a dual-mass flywheel primary mass block is arranged on the vertical plate, a flywheel mounting hole 3.1 matched with the flywheel fixing pin is arranged on the flywheel primary mass block, and the flywheel mounting hole is located in the inner ring of the dual-mass flywheel, so that the structure is compact.
The through hole of the fixed clamping plate is a bearing mounting hole 2.2, a bearing is arranged in the bearing mounting hole, and the pointer flange plate is arranged in the through hole through the bearing; the bearing is preferably a needle bearing 5.
One end of the sleeve is provided with an inner groove for connecting a torque wrench, the other end of the sleeve is provided with a spline shaft 6.1, and a connecting hole of the flywheel flange plate 4 is an inner spline hole 4.2 matched with the spline shaft; the inner hole of the flywheel flange plate is in a spline or a structural form not limited to the spline.
The torque wrench mounting groove and the pointer flange are arranged on the device, so that measured data can be directly read, and the operation is very convenient; the pointer flange spline shaft matched with the flywheel flange is adopted, so that the structure and the size of a tested part cannot be damaged in the testing process.
The flywheel flange 4 is provided with a flywheel flange mounting hole 4.1, and the flywheel flange and the secondary mass block of the dual-mass flywheel pass through the flywheel flange mounting hole through a fastening bolt to be connected with the hole position on the flywheel, so that the dual-mass flywheel can be conveniently clamped and disassembled, and the working efficiency can be greatly improved.
The fixed clamp plate 2 is a transverse cover plate, the two ends of the flywheel fixed mount corresponding to the fixed clamp plate are respectively provided with a corresponding fixed clamp plate mounting hole 1.2, and the flywheel fixed pin is positioned between the fixed clamp plate mounting holes at the two sides, so that the structure is compact; and the fixed splint is provided with a handle 2.1, so the installation is simple and convenient.
The fixed clamp plate 2 comprises a pair of connecting end plates and a transverse plate located between the pair of connecting end plates, through holes in the fixed clamp plate are formed in the transverse plate, one end of each connecting end plate is connected with the corresponding end portion of the transverse plate, a flanging is arranged at the other end of each connecting end plate, and a mounting pin 2.3 matched with the mounting hole of the fixed clamp plate is arranged on the flanging.
The detection operation process specifically comprises the following steps:
the flywheel fixing frame is fixed on the detection platform, the dual-mass flywheel is assembled on the flywheel fixing pin through the dual-mass flywheel mounting hole, and meanwhile, the flywheel flange plate is fixed on the dual-mass flywheel through the flywheel flange plate mounting hole and the fastening bolt.
Assembling the fixed clamping plate on the flywheel fixing frame, wherein the mounting pin on the fixed clamping plate is inserted into the fixed clamping plate mounting hole of the flywheel fixing frame; the fixed clamping plate is provided with a needle bearing and a pointer flange plate; the spline shaft of the pointer flange plate is inserted into the inner spline hole of the flywheel flange plate.
In measuring the torsional spring, a torque wrench is installed into the socket and the pointer is adjusted to align with the "0" position on the angle scale. The secondary mass of the dual mass flywheel is rotated relative to the primary mass by applying clockwise and counterclockwise forces.
The measured torque value and the rotation angle value are compared with the standard design value, so that whether the dual-mass flywheel is in a normal state or not can be verified, and whether the dual-mass flywheel can be continuously used or not can be verified.
The utility model has reasonable and ingenious structural design, can detect the performance of the torsion spring of the dual mass flywheel, ensures that the performance of the torsion spring is within the required range, and provides an effective basis for outputting whether the dual mass flywheel fails or not; the failure condition of the dual-mass flywheel is effectively reduced, and the condition that the engine fails is reduced; and the structure is simple, and the detection operation is simple and convenient.
The above-mentioned is only for the description of the preferred embodiments of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiments of the present invention.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (8)
1. The utility model provides a performance detection device of dual mass flywheel which characterized in that: the method comprises the following steps:
the flywheel fixing frame is used for fixing a primary mass block of the dual-mass flywheel;
the flywheel flange plate is used for being connected with a secondary mass block of the dual-mass flywheel, and a connecting hole is formed in the center of the flywheel flange plate;
the fixed clamping plate is used for being fixed on the flywheel fixing frame, and a through hole is formed in the center of the fixed clamping plate corresponding to the flywheel flange plate;
the pointer flange plate is arranged in the through hole of the fixed clamping plate and comprises an angle plate, a pointer and a sleeve, the pointer is arranged on the sleeve, the angle plate is sleeved on the sleeve in a hollow mode and fixed on the fixed clamping plate, and the inner end of the sleeve is connected with a connecting hole in the center of the flywheel flange plate through the through hole.
2. A performance detecting apparatus for a dual mass flywheel according to claim 1, wherein: the flywheel fixing frame comprises a horizontal plate and a vertical plate, the horizontal plate is fixed on the detection platform, and a flywheel fixing pin for fixing the primary mass block of the dual-mass flywheel is arranged on the vertical plate.
3. A performance detecting apparatus for a dual mass flywheel according to claim 1, wherein: the through hole of the fixed clamping plate is internally provided with a bearing, and the pointer flange plate is arranged in the through hole through the bearing.
4. A performance detecting apparatus for a dual mass flywheel according to claim 1, wherein: the one end of telescopic is equipped with the inner groovy that is used for the moment spanner to link to each other, and telescopic other end is the integral key shaft, and the connecting hole of flywheel ring flange is the internal spline hole with the looks adaptation of integral key shaft.
5. A performance detecting apparatus for a dual mass flywheel according to claim 1, wherein: and the flywheel flange plate is provided with a flywheel flange plate mounting hole, and the flywheel flange plate and the secondary mass block of the dual-mass flywheel pass through the flywheel flange plate mounting hole through a fastening bolt to be connected with the flywheel upper hole.
6. A performance detecting apparatus for a dual mass flywheel according to claim 2, wherein: the fixed splint are horizontal cover plates, and the two ends of the flywheel fixed mount corresponding to the fixed splint are provided with corresponding fixed splint mounting holes.
7. A performance detecting apparatus for a dual mass flywheel according to claim 1 or 2, wherein: the fixed splint is provided with a handle.
8. A performance detecting apparatus for a dual mass flywheel according to claim 6, wherein: the fixed clamp plate comprises a pair of connecting end plates and a transverse plate located between the connecting end plates, through holes in the fixed clamp plate are formed in the transverse plate, one end of each connecting end plate is connected with the corresponding end portion of the transverse plate, a flanging is arranged at the other end of each connecting end plate, and a mounting pin matched with the mounting hole of the fixed clamp plate is arranged on the flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992936.8U CN212621396U (en) | 2020-06-03 | 2020-06-03 | Performance detection device of dual-mass flywheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992936.8U CN212621396U (en) | 2020-06-03 | 2020-06-03 | Performance detection device of dual-mass flywheel |
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| CN212621396U true CN212621396U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020992936.8U Active CN212621396U (en) | 2020-06-03 | 2020-06-03 | Performance detection device of dual-mass flywheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370806A (en) * | 2021-12-08 | 2022-04-19 | 中电科芜湖钻石飞机制造有限公司 | Detection tool and detection method for dual-mass flywheel |
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2020
- 2020-06-03 CN CN202020992936.8U patent/CN212621396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370806A (en) * | 2021-12-08 | 2022-04-19 | 中电科芜湖钻石飞机制造有限公司 | Detection tool and detection method for dual-mass flywheel |
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