CN110567710A - Combined type adjustable inertia device - Google Patents
Combined type adjustable inertia device Download PDFInfo
- Publication number
- CN110567710A CN110567710A CN201910919587.9A CN201910919587A CN110567710A CN 110567710 A CN110567710 A CN 110567710A CN 201910919587 A CN201910919587 A CN 201910919587A CN 110567710 A CN110567710 A CN 110567710A
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- China
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- shaft
- driven
- shafts
- inertia
- flywheel
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000010586 diagram Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
Abstract
The invention discloses a combined type inertia adjustable device, and belongs to the technical field of vehicle transmission test devices. The combined type adjustable inertia device comprises a box body, a main transmission shaft and a driving gear, wherein the box body plays a supporting role, the main transmission shaft is rotatably arranged on the box body, and the driving gear is fixedly arranged on the main transmission shaft; the combined type adjustable inertia device also comprises a plurality of driven shafts and a plurality of flywheel shafts, wherein the driven shafts are rotationally arranged on the box body along the circumferential direction; the driven shafts are provided with driven gears; a plurality of flywheel shafts are rotatably arranged on the box body and are respectively connected with the driven shafts in a floating manner, and inertia discs are fixedly arranged on the flywheel shafts. In the combined type adjustable inertia device, the working state of the floating gear sleeve is switched, the connection and disconnection of the driven shaft and the flywheel shaft can be independently controlled, and a plurality of inertia discs are combined randomly to obtain a plurality of numerical values which are used as equivalent inertia values of a transmission system of a vehicle to be detected, so that the combined type adjustable inertia device is very convenient to use.
Description
Technical Field
The invention relates to the technical field of vehicle transmission test devices, in particular to a combined type adjustable inertia device.
background
The inertia device is important equipment for a vehicle transmission system bench test and is mainly used for simulating the inertia of a whole vehicle and an output shaft of a wheel edge transmission converted to a tested object so as to enable the bench test to be closer to the actual working condition. The common inertia devices mainly comprise a fixed type inertia device and an adjustable type inertia device, wherein the inertia value of the fixed type inertia device is fixed, and only a specific vehicle transmission can be simulated during a test; the inertia value of the adjustable inertia device is adjustable, and vehicle transmission corresponding to different equivalent inertias can be simulated by adjusting the inertia value.
In the conventional adjustable inertia device, a plurality of inertia discs (namely flywheels) are arranged on a fixed shaft coaxial with a rotating shaft, and the inertia discs are shifted from the fixed shaft to the rotating shaft or from the rotating shaft to the fixed shaft, so that the inertia value is adjusted; and a clutch gear sleeve is arranged between the rotating shaft and the inertia disc, and the inertia disc and the rotating shaft are combined and separated through the clutch gear sleeve so as to realize the adjustment of the inertia value. By adopting the mode, the segmented adjustment quantity of the inertia value is limited, the value between the maximum inertia and the minimum inertia can be divided into a plurality of limited adjustment quantities, the more the number of the segmented adjustment is, the more the structure is complex, the larger the axial size of the whole inertia device is, the larger the axial length of the whole test system is, and the larger the occupied space is.
Disclosure of Invention
the invention aims to provide a combined adjustable inertia device to solve the problems of limited adjustable inertia value, complex structure, large axial size and large occupied space of the conventional adjustable inertia device.
In order to solve the above technical problem, the present invention provides a combined adjustable inertia device, comprising:
The box body plays a supporting role;
The main transmission shaft is rotatably arranged on the box body;
The driving gear is fixedly arranged on the main transmission shaft; the modular adjustable inertia apparatus further comprises:
The driven shafts are arranged on the box body in a rotating mode along the circumferential direction; driven gears are arranged on the driven shafts, and the driven gears are in meshing transmission with the driving gears;
the flywheel shafts are rotatably arranged on the box body and are respectively in floating connection with the driven shaft, and the flywheel shafts are fixedly provided with inertia discs.
Optionally, the driven shafts are arranged on the box body in 4 numbers, and the flywheel shafts are arranged on the box body in 8 numbers.
Optionally, the flywheel shafts are sleeves with internal teeth, and external teeth are arranged on the outer surfaces of two ends of the driven shafts; the flywheel shaft is sleeved on the driven shaft, and the flywheel shaft is connected with the driven shaft through a floating gear sleeve.
Optionally, a brake is further arranged on the box body to brake the main transmission shaft.
Optionally, the main transmission shaft, the driven shaft and the flywheel shaft are all rotatably arranged on the box body through bearings.
The combined type adjustable inertia device provided by the invention has the following beneficial effects:
(1) By switching the working states of the plurality of floating gear sleeves, the driven shaft and the flywheel shaft can be independently controlled to be combined and separated, so that the plurality of inertia discs can be randomly combined to obtain a plurality of numerical values which serve as equivalent inertia values of a transmission system of a vehicle to be detected, and the operation and the use are very convenient;
(2) The flywheel shafts and the inertia discs are circumferentially arranged on the box body, so that the axial size of the combined adjustable inertia device is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of a combined adjustable inertia device according to the present invention;
FIG. 2 is a schematic structural diagram of a combined adjustable inertia device according to the present invention;
fig. 3 is a half sectional view of a combined adjustable inertia device provided by the present invention.
Detailed Description
The combined adjustable inertia device according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
example one
the invention provides a combined type adjustable inertia device, which comprises a box body 1, a main transmission shaft 2 and a driving gear 3, wherein the box body 1 plays a supporting role, the main transmission shaft 2 is rotatably arranged on the box body 1, and the driving gear 3 is fixedly arranged on the main transmission shaft 2, as shown in figures 1 and 2. The combined type adjustable inertia device also comprises a plurality of driven shafts 4 and a plurality of flywheel shafts 6, wherein the driven shafts 4 are arranged on the box body 1 in a circumferential rotating manner; driven gears 5 are arranged on the driven shafts 4, and the driven gears 5 are in meshed transmission with the driving gear 3; the flywheel shafts 6 are rotatably arranged on the box body 1 and are respectively in floating connection with the driven shaft 4, and the flywheel shafts 6 are fixedly provided with inertia discs 7. Preferably, the main transmission shaft 2, the driven shaft 4 and the flywheel shaft 6 are rotatably arranged on the box body 1 through bearings. The flywheel shafts 6 and the inertia discs 7 are circumferentially arranged on the box body 1, so that the axial size of the combined type adjustable inertia device is greatly reduced.
Specifically, referring to fig. 3, a plurality of flywheel shafts 6 are sleeves with internal teeth, and external teeth are arranged on the outer surfaces of two ends of a plurality of driven shafts 4; the flywheel shaft 6 is sleeved on the driven shaft 4, the flywheel shaft 6 is connected with the driven shaft 4 through a floating gear sleeve 8, and the floating gear sleeve 8 can move axially relative to the driven shaft 4 and the corresponding flywheel shaft 6; the flywheel shaft 6 is sleeved on the driven shaft 4 and connected through the floating gear sleeve 8, and compared with other inertia devices, the axial size of the combined type adjustable inertia device is greatly reduced. And a brake 9 is also arranged on the box body 1 and is used for braking the main transmission shaft 2.
In this embodiment one, driven shaft 4 is in be provided with 4 on the box 1, flywheel shaft 6 is in be provided with 8 on the box 1, correspondingly, inertia dish 7 also sets up to 8, the quantity of the tooth cover 8 that floats also is 8, please refer to fig. 2, 8 the tooth cover that floats includes 4 on right side in fig. 2 (from last down be first tooth cover, the third tooth cover that floats, the tooth cover that floats of fifth and the tooth cover that floats of seventh) and left 4 (from last down be the second respectively the tooth cover that floats, the tooth cover that floats of fourth, the tooth cover that floats of sixth and the tooth cover that floats). When a plurality of the floating teethwhen the sleeve 8 is not in operation, the equivalent inertia of the main transmission shaft 2, the driving gear 3, the driven shafts 4 and the driven gears 5 on the main transmission shaft 2 is assumed to be 1kg · m2(ii) a Work as first tooth cover, the second tooth cover that floats, the third tooth cover that floats were said, when the eighth tooth cover that floats was worked alone in proper order respectively, float tooth cover 8 float the tooth cover 8 correspond flywheel shaft 6 and what correspond on the flywheel shaft 6 inertia dish 7 is in equivalent inertia on final drive shaft 2 is 1kg · m respectively2、10kg·m2、2kg·m2、20kg·m2、3kg·m2、20kg·m2、3kg·m2、20kg·m2(ii) a When the floating gear sleeve 8 is cut in, the driven shaft 4 and the corresponding flywheel shaft 6 are connected into a whole, and an inertia disc 7 on the flywheel shaft 6 is driven by the main transmission shaft 2 to rotate sequentially through the driving gear 3, the driven gear 5, the driven shaft 4, the floating gear sleeve 8 and the flywheel shaft 6, so that corresponding inertia is generated; when the floating gear sleeve 8 is disengaged, the driven shaft 4 is separated from the corresponding flywheel shaft 6 and the inertia disc 7 fixed on the flywheel shaft 6, and the inertia disc 7 is in a free state and does not generate corresponding inertia. By switching the working states of the plurality of floating gear sleeves 8, the driven shaft 4 and the flywheel shaft 6 can be independently controlled to be combined and separated, so that the plurality of inertia discs 7 can be combined randomly, and 1-80 kg.m.2Any integer value in between. By operating the engagement and disengagement of the first, third, fifth and seventh floating sleeves, different inertia values of 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 can be obtained, and by engaging and disengaging the second, fourth, sixth and eighth floating sleeves, different inertia values of 0, 10, 20, 30, 40, 50, 60 and 70 can be obtained, as shown in table 1:
Table 1 (Floating gear sleeve working state and corresponding inertia value table)
According to actual needs, the equivalent inertia of the plurality of floating gear sleeves 8, the flywheel shafts 6 corresponding to the floating gear sleeves 8 and the inertia discs 7 on the flywheel shafts 6 on the main transmission shaft 2 can be arbitrarily selected, and is not limited to the value selected in the first embodiment.
When a bench test is carried out on the vehicle transmission system, the main transmission shaft 2 is fixedly connected with an output shaft of a main shaft box of the vehicle transmission system to be detected, and the driven shaft 4 and the flywheel shaft 6 can be independently controlled to be combined and separated by switching the working states of the plurality of floating gear sleeves 8, so that a plurality of different numerical values are obtained by combination and are used as equivalent inertia values of the vehicle transmission system to be detected, and the operation and the use are very convenient.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (5)
1. A modular adjustable inertia device, comprising:
The box body (1) plays a supporting role;
the main transmission shaft (2) is rotatably arranged on the box body (1);
the driving gear (3) is fixedly arranged on the main transmission shaft (2); it is characterized in that the combined adjustable inertia device further comprises:
The driven shafts (4) are arranged on the box body (1) in a rotating mode along the circumferential direction; driven gears (5) are arranged on the driven shafts (4), and the driven gears (5) are in meshing transmission with the driving gear (3);
The flywheel shafts (6) are rotatably arranged on the box body (1) and are respectively in floating connection with the driven shaft (4), and the flywheel shafts (6) are fixedly provided with inertia discs (7).
2. a combined adjustable inertia device according to claim 1, wherein there are 4 driven shafts (4) on the housing (1) and 8 flywheel shafts (6) on the housing (1).
3. a combined adjustable inertia device according to claim 1, wherein the flywheel shafts (6) are internally toothed sleeves, and the external surfaces of the two ends of the driven shafts (4) are externally toothed; the flywheel shaft (6) is sleeved on the driven shaft (4), and the flywheel shaft (6) is connected with the driven shaft (4) through a floating gear sleeve (8).
4. A combined adjustable inertia device, according to claim 1, wherein the housing (1) is further provided with a brake (9) for braking the main drive shaft (2).
5. a combined adjustable inertia device according to claim 1, wherein the main drive shaft (2), the driven shaft (4) and the flywheel shaft (6) are rotatably mounted on the housing (1) by bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919587.9A CN110567710A (en) | 2019-09-26 | 2019-09-26 | Combined type adjustable inertia device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919587.9A CN110567710A (en) | 2019-09-26 | 2019-09-26 | Combined type adjustable inertia device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110567710A true CN110567710A (en) | 2019-12-13 |
Family
ID=68782707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910919587.9A Withdrawn CN110567710A (en) | 2019-09-26 | 2019-09-26 | Combined type adjustable inertia device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110567710A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188808A (en) * | 2021-02-05 | 2021-07-30 | 深圳大雷汽车检测股份有限公司 | Abs braking table |
-
2019
- 2019-09-26 CN CN201910919587.9A patent/CN110567710A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188808A (en) * | 2021-02-05 | 2021-07-30 | 深圳大雷汽车检测股份有限公司 | Abs braking table |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221116 Address after: Room 302, No. 4, Junhe Jiayuan, Liangxi District, Wuxi City, Jiangsu Province, 214000 Applicant after: Tang Jiuwang Address before: 501, No. 88, Tangxiang Road, Binhu District, Wuxi City, Jiangsu Province, 214000 Applicant before: LUOYOU INTEGRATED TECHNOLOGY (WUXI) Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191213 |
|
| WW01 | Invention patent application withdrawn after publication |