CN216207553U - Automobile generator unidirectional coupling belt pulley test bench - Google Patents
Automobile generator unidirectional coupling belt pulley test bench Download PDFInfo
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- CN216207553U CN216207553U CN202122621354.6U CN202122621354U CN216207553U CN 216207553 U CN216207553 U CN 216207553U CN 202122621354 U CN202122621354 U CN 202122621354U CN 216207553 U CN216207553 U CN 216207553U
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- belt pulley
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- unidirectional coupling
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Abstract
The utility model relates to a test bench for a unidirectional coupling belt pulley of an automobile generator, which comprises an upper frame body and a lower frame body connected with one end of the upper frame body, wherein a through groove is arranged at the joint of the upper frame body and the lower frame body, and the test bench is characterized in that: the power generator for driving the inner ring of the unidirectional coupling belt pulley to rotate is installed in the upper frame body, a driving shaft of the power generator and the through groove are located on the same vertical plane, the lower frame body is internally provided with the driving motor for driving the shell of the unidirectional coupling belt pulley to rotate, and the driving motor is connected with the shell of the unidirectional coupling belt pulley through the belt transmission structure, so that the power generator has the beneficial effects that: the belt pulley tension testing device can test the reliability, the service life and other performances of the one-way coupling belt pulley, is provided with the tension mechanism, and is wide in tested product model and strong in universality.
Description
Technical Field
The utility model relates to the field of generator unidirectional coupling belt pulley test equipment, in particular to a test bench for an automobile generator unidirectional coupling belt pulley.
Background
The automobile generator is one of the core power supplies of an automobile, and is used for continuously supplying power to required electric equipment and simultaneously charging a storage battery in the normal running process of an automobile engine. With the change of automobile technology, the power demand of passenger automobiles is continuously improved, and 10 years ago, the power of a generator of a common car is about 400 watts, but the power of the generator of the car in the current market is generally about 1200 watts or even higher.
The improvement of generator power is because of the increase of the consumer needs on the car, and the improvement of generator power can lead to the increase of the volume and the inertia of generator, traditional generator belt pulley is the rigidity belt pulley, when the engine stops or the derailleur is shifted gears, the belt pulley linear velocity can change, the generator rotor is very fast of moving under powerful inertia, lead to taking place "the external sound of" sing, sing ", system's wearing and tearing, the life-span is reduced, simultaneously because of the inherent irregular vibration of engine, lead to the instantaneous moving irregularity of belt pulley, this irregularity is asynchronous with generator rotor operation, consume a large amount of available power, lose a large amount of energy.
Therefore, there are generators unidirectional coupling pulleys for generators on the market, known by its english acronym OAP, known in full: the generator one-way belt Pulley consists of an outer ring matched with the cross section shape of the V-ribbed belt, a clutch unit consisting of a stamped inner ring, an outer ring and a double-needle bearing, a shaft sleeve and two sealing rings. To prevent the effects of water and other dirt, a protective cover is mounted on its outer end face, which functions to decouple the alternator from the engine front end accessory belt drive because the alternator has the highest rotational moment of inertia in the engine front end accessory belt drive, which means that the alternator one-way pulley allows the v-belt to drive the alternator in one direction only.
The specific principle is as follows: when the engine speed is low, the guide cylinder (guide) is formed if the inner ring is
The steering cylinder is arranged on the generator) is higher than the rotating speed of the belt pulley shell, so that the belt pulley shell slips, and the unidirectional coupling structure enables the coupling between the belt pulley shell and the guide cylinder to be released;
the product needs to be subjected to reliability test when being delivered from a factory, and no test equipment specially developed for the product exists in the market at present, so that the blank field needs to be filled urgently.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present invention is to solve the above-mentioned deficiencies of the prior art,
a test bench for unidirectional coupling belt pulleys of automobile generators is provided.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a car generator unidirectional coupling belt pulley testboard, includes framework and the lower framework of being connected with last framework one end, it is provided with logical groove, its characterized in that with lower framework junction to go up the framework: the upper frame body is internally provided with a generator for driving the inner ring of the unidirectional coupling belt pulley to rotate, a driving shaft of the generator and the through groove are positioned on the same vertical plane, the lower frame body is internally provided with a driving motor for driving the shell of the unidirectional coupling belt pulley to rotate, and the driving motor and the shell of the unidirectional coupling belt pulley are connected through a belt transmission structure.
By adopting the technical scheme, the drive shaft of the generator drives the inner ring of the unidirectional coupling belt pulley to rotate, then the belt transmission structure drives the outer ring of the unidirectional coupling belt pulley to rotate, and by controlling the rotating speed of the drive motor, when the rotating speed of the generator is small, if the inner ring is the guide cylinder (guide cylinder)
To a section of thick bamboo installation on the generator) rotational speed is higher than the unidirectional coupling belt pulley shell rotational speed, makes the belt pulley shell skid, and the unidirectional coupling structure makes and removes the coupling between belt pulley shell and the guide cylinder, and the simulation actual installation scene tests the reliability, greatly reduced the test requirement, improved efficiency of software testing, and the reliability of the unidirectional coupling belt pulley that makes to dispatch from the factory obtains guaranteeing.
Foretell one-way coupling belt pulley testboard of automobile power generation machine can further set up as: the belt transmission structure comprises a belt pulley arranged on a driving motor, a belt with one end connected with the belt pulley and the other end connected with a shell of the one-way coupling belt pulley arranged on a driving shaft of the generator is sleeved on the belt pulley, and a tensioning mechanism which extends into the lower frame and causes the belt to be tensioned is arranged outside the lower frame.
By adopting the technical scheme, the belt is tensioned through the tensioning mechanism to ensure the testing effect, and on the other hand, due to the existence of the tensioning mechanism, the belt can be tensioned again through the tensioning mechanism after belt pulleys or generators of different sizes are replaced, so that the universality is strong.
Foretell one-way coupling belt pulley testboard of automobile power generation machine can further set up as: the tensioning mechanism comprises a driven wheel arranged on the inner side of a belt, a groove matched with the belt is formed in the middle of the periphery of the driven wheel, a linkage arm extending downwards is arranged outside the frame, the two sides of the driven wheel are connected with the linkage arm through clamping jaws, the linkage arm is connected with the other end of the driven wheel relatively, a driving cylinder for driving the linkage arm to move horizontally is arranged on the other end of the driven wheel, the driving cylinder and the linkage arm are in a vertical state, the driving cylinder drives the linkage arm through a universal joint, the frame extends to the tensioning mechanism to form a mounting plate, and a guide structure for guiding the linkage arm when the driving cylinder drives the linkage arm through the universal joint is arranged on the mounting plate.
By adopting the technical scheme, in order to enable the floor area of the test board to be as small as possible, the driving cylinder for driving the linkage arm and the linkage arm are arranged in a vertical state, the movement direction of the linkage arm is limited through the guide structure, the structure is compact, the occupied space is smaller, the belt is arranged in the groove of the driven wheel in a penetrating mode, the linkage arm drives the driven wheel under the action of the driving cylinder and the guide structure to enable the driven wheel to move towards the direction close to the driving cylinder, the driven wheel moves backwards under the action of the linkage arm to enable the belt to be tensioned, and therefore tensioning is completed.
Foretell one-way coupling belt pulley testboard of automobile power generation machine can further set up as: the guide structure comprises a guide slide rail, guide slide blocks which are oppositely arranged are arranged in the guide slide rail, and the linkage arms are fixedly connected with the guide slide blocks through mounting seats respectively.
By adopting the technical scheme, the guide structure is arranged into the slide rail and the slide block, so that the structure is stable, the reliability is high, and the production cost is low.
Foretell one-way coupling belt pulley testboard of automobile power generation machine can further set up as: be provided with on the mounting panel with the bed hedgehopping section bar of direction slider length adaptation, the direction slider is installed on the mounting panel through bed hedgehopping section bar, be provided with the backplate that drives actuating cylinder mount table and L font on the mounting panel, it installs in driving actuating cylinder mount table and spacing driving actuating cylinder mount table through the backplate to drive actuating cylinder.
By adopting the technical scheme, the plane where the guide sliding rail is located is adjusted through the heightening section bar, the installation seat can be fixedly connected with the guide sliding block, and the driving cylinder installation table and the L-shaped guard plate arranged on the installation plate are used for further improving the integration level of the equipment and reducing the floor area of the equipment.
The utility model has the beneficial effects that: the belt pulley tension testing device can test the reliability, the service life and other performances of the one-way coupling belt pulley, is provided with the tension mechanism, and is wide in tested product model and strong in universality.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view 1 of an embodiment of the present invention.
Fig. 2 is a schematic perspective view 2 of an embodiment of the present invention.
Fig. 3 is a perspective view of the embodiment of the present invention, schematically illustrated in fig. 3.
Fig. 4 is a schematic internal structure diagram of the embodiment of the present invention with the upper and lower frame bodies removed.
Detailed Description
Referring to fig. 1-4: a test bench for a unidirectional coupling belt pulley of an automobile generator comprises an upper frame body 1 and a lower frame body 2 connected with one end of the upper frame body 1, a through groove 3 is arranged at the joint of the upper frame body 1 and the lower frame body 2, a generator 5 used for driving an inner ring of a unidirectional coupling belt pulley 4 to rotate is installed in the upper frame body 1, a driving shaft of the generator 5 and the through groove 3 are positioned on the same vertical plane, a driving motor 6 (only part shown in the figure) used for driving a shell of the unidirectional coupling belt pulley 4 to rotate is arranged in the lower frame body 2, the driving motor 6 and the shell of the unidirectional coupling belt pulley 4 are connected through a belt transmission structure, the belt transmission structure comprises a belt pulley 61 installed on the driving motor 6, a belt 62 with one end connected with the belt pulley 61 and the other end connected with the shell of the unidirectional coupling belt pulley installed on the driving shaft of the generator 5 is sleeved on the belt pulley 61, and a tensioning mechanism 7 which extends into the lower frame body 2 and facilitates tensioning of the belt, the tensioning mechanism 7 comprises a driven wheel 71 arranged on the inner side of the belt 62, a groove 72 matched with the belt 62 is arranged in the middle of the periphery of the driven wheel 71, a linkage arm 73 extending inwards the lower frame 2 is arranged outside the lower frame 2, two sides of the driven wheel 71 are connected with the linkage arm 73 through clamping jaws 74, a driving air cylinder 74 for driving the linkage arm 73 to drive the driven wheel 71 to move horizontally is arranged at the other end of the linkage arm 73 opposite to the driven wheel 71, the driving air cylinder 74 and the linkage arm 73 are in a vertical state, the driving air cylinder 74 drives the linkage arm 73 through a universal joint 75, the lower frame 2 extends towards the tensioning mechanism 7 to form a mounting plate 21, a guide structure for guiding the linkage arm 73 when the driving air cylinder 74 drives the linkage arm 73 through the universal joint 75 is arranged on the mounting plate 21, the guide structure comprises a guide slide rail 76, guide slide blocks 77 arranged oppositely in the guide slide rail 76, and the linkage arm 73 is respectively and fixedly connected with the guide slide blocks 77 through a mounting seat 78, the mounting plate 21 is provided with a block-up profile 79 matched with the length of the guide slider 77, the guide slider 77 is mounted on the mounting plate 21 through the block-up profile 79, the mounting plate 21 is provided with a driving cylinder mounting table 701 and an L-shaped guard plate 702, and the driving cylinder 74 is mounted on the driving cylinder mounting table 701 and is limited in the driving cylinder mounting table 701 through the guard plate 702.
Claims (5)
1. The utility model provides a car generator unidirectional coupling belt pulley testboard, includes framework and the lower framework of being connected with last framework one end, it is provided with logical groove, its characterized in that with lower framework junction to go up the framework: the upper frame body is internally provided with a generator for driving the inner ring of the unidirectional coupling belt pulley to rotate, a driving shaft of the generator and the through groove are positioned on the same vertical plane, the lower frame body is internally provided with a driving motor for driving the shell of the unidirectional coupling belt pulley to rotate, and the driving motor and the shell of the unidirectional coupling belt pulley are connected through a belt transmission structure.
2. The automobile generator unidirectional coupling pulley test bench according to claim 1, characterized in that: the belt transmission structure comprises a belt pulley arranged on a driving motor, a belt with one end connected with the belt pulley and the other end connected with a shell of the one-way coupling belt pulley arranged on a driving shaft of the generator is sleeved on the belt pulley, and a tensioning mechanism which extends into the lower frame and causes the belt to be tensioned is arranged outside the lower frame.
3. The automobile generator unidirectional coupling pulley test bench according to claim 2, characterized in that: the tensioning mechanism comprises a driven wheel arranged on the inner side of a belt, a groove matched with the belt is formed in the middle of the periphery of the driven wheel, a linkage arm extending downwards is arranged outside the frame, the two sides of the driven wheel are connected with the linkage arm through clamping jaws, the linkage arm is connected with the other end of the driven wheel relatively, a driving cylinder for driving the linkage arm to move horizontally is arranged on the other end of the driven wheel, the driving cylinder and the linkage arm are in a vertical state, the driving cylinder drives the linkage arm through a universal joint, the frame extends to the tensioning mechanism to form a mounting plate, and a guide structure for guiding the linkage arm when the driving cylinder drives the linkage arm through the universal joint is arranged on the mounting plate.
4. The automobile generator unidirectional coupling pulley test bench according to claim 3, characterized in that: the guide structure comprises a guide slide rail, guide slide blocks which are oppositely arranged are arranged in the guide slide rail, and the linkage arms are fixedly connected with the guide slide blocks through mounting seats respectively.
5. The automobile generator unidirectional coupling pulley test bench of claim 4, wherein: be provided with on the mounting panel with the bed hedgehopping section bar of direction slider length adaptation, the direction slider is installed on the mounting panel through bed hedgehopping section bar, be provided with the backplate that drives actuating cylinder mount table and L font on the mounting panel, it installs in driving actuating cylinder mount table and spacing driving actuating cylinder mount table through the backplate to drive actuating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621354.6U CN216207553U (en) | 2021-10-27 | 2021-10-27 | Automobile generator unidirectional coupling belt pulley test bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621354.6U CN216207553U (en) | 2021-10-27 | 2021-10-27 | Automobile generator unidirectional coupling belt pulley test bench |
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| CN216207553U true CN216207553U (en) | 2022-04-05 |
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| CN202122621354.6U Active CN216207553U (en) | 2021-10-27 | 2021-10-27 | Automobile generator unidirectional coupling belt pulley test bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001952A (en) * | 2021-10-27 | 2022-02-01 | 瑞安市悦华汽车单向器有限公司 | Unidirectional coupling belt pulley test tool and use method thereof |
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2021
- 2021-10-27 CN CN202122621354.6U patent/CN216207553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001952A (en) * | 2021-10-27 | 2022-02-01 | 瑞安市悦华汽车单向器有限公司 | Unidirectional coupling belt pulley test tool and use method thereof |
| CN114001952B (en) * | 2021-10-27 | 2024-05-03 | 瑞安市悦华汽车单向器有限公司 | Unidirectional coupling belt pulley testing tool and application method thereof |
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