CN202032014U - Shaft connection device used for connecting engine and dynamometer - Google Patents
Shaft connection device used for connecting engine and dynamometer Download PDFInfo
- Publication number
- CN202032014U CN202032014U CN2011201418257U CN201120141825U CN202032014U CN 202032014 U CN202032014 U CN 202032014U CN 2011201418257 U CN2011201418257 U CN 2011201418257U CN 201120141825 U CN201120141825 U CN 201120141825U CN 202032014 U CN202032014 U CN 202032014U
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- China
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- shaft
- ratchet
- transmission shaft
- transmission
- power measurer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a shaft connection device used for connecting an engine and a dynamometer, and mainly solves the problems of the conventional connection device of the engine and the dynamometer, such as short service life and poor stability. The shaft connection device is characterized by including a reducing mechanism, a connecting shaft and a transmission shaft, wherein the connecting shaft is connected with the output shaft of the engine and the input end of the reducing mechanism; the transmission shaft is connected with the output end of the reducing mechanism and the input shaft of the dynamometer; and the transmission shaft is matched with the input shaft through an unidirectional transmission device. As the unidirectional transmission mechanism is arranged in the connection device, the connection device is not influenced by impact force generated by continued rotation of the dynamometer due to inertia even if the engine works abnormally and stops rotating, and further the service life of the connection device is ensured; and the shaft connection device has high stability, strong anti-vibration capability and excellent connection effect.
Description
Technical field
The utility model relates to a kind of connection set, refers in particular to the shaft connector that is used to connect motor and power measurer.
Background technique
Motor is being measured rotating speed and moment of torsion by connection set on the test stand on power measurer, thereby realizes the purpose of measured power.Motor is connected by connection set with power measurer, connection set is mainly speed reducer and coupling shaft, coupling shaft connects the output shaft of motor and the input shaft of power measurer, because the diameter of (peculiar to vessel) engine output shaft is limited, generally comparatively tiny, make directly also being restricted of connected coupling shaft, and power measurer wants to realize the full load of test engine, its rotary inertia is generally all bigger, motor is in test process, the contradiction that the rotary inertia of the tiny and power measurer of motor coupling shaft is big is very outstanding on marine engine, tiny motor coupling shaft can not bear the impact that huge power measurer large rotating inertia brings, thus very fast damage coupling shaft.
In testing process, motor occurs unexpected and quits work suddenly, and its output shaft can stop operating fast, and because inertia, the input shaft of the power measurer that links to each other with coupling shaft can be rotated further, and the rotary inertia of power measurer own is big, can twist off transmission shaft this moment, perhaps it caused badly damaged.Coupling shaft is when being connected with engine output shaft and power measurer in addition, need to guarantee coaxial setting, but elongated along with service time, make that departing from appears in the central position, can not adjust the situation that can occur beating, less stable nimbly and freely, in testing process, can cause the low problem of degree of accuracy of check, and make reduce the working life of coupling shaft.
The model utility content
For shortcoming and the deficiency that overcomes background technique, the utility model provides a kind of shaft connector that is used to connect motor and power measurer, and its stability is high, and the antivibration ability is strong, good connecting effect, long service life.
The technical solution of the utility model is: a kind of shaft connector that is used to connect motor and power measurer, comprise reducing gear, coupling shaft and transmission shaft, described coupling shaft is connected with the output shaft of motor and the input end of reducing gear, described transmission shaft is connected with the output terminal of reducing gear and the input shaft of power measurer, and described transmission shaft matches with described input shaft by unidirectional transmission.
Described one-way driving mechanism comprises elastic compression part, ratchet and ratchet, described ratchet shaft is located on the transmission shaft and transmitting torque radially to moving, described elastic compression part is connected with ratchet, described ratchet cooperates with the ratchet one-way transmission, and is connected with described input shaft by linking mechanism.
Described transmission shaft comprises first transmission shaft and second transmission shaft, and described first transmission shaft is connected by universal joint cross with second transmission shaft, and described first transmission shaft is connected with the speed reducer output terminal, and described second transmission shaft matches with ratchet.
Described linking mechanism comprises ball spline, internal spline and land, and described ball spline and ratchet be driving torque radially, and described internal spline is meshed with the bulb gear, and described land is fixedlyed connected with internal spline, and cooperates with the circumferential transmission of input shaft.
The flexible rubber of described internal spline peripheral hardware, described elastic caoutchouc is fixedlyed connected with internal spline and land respectively.
Described reducing gear is a speed reducer, comprises housing, and described housing is fixedlyed connected with engine housing.
Described output shaft is connected by connecting sleeve with coupling shaft, and described connecting sleeve one end is threaded with output shaft, and the other end cooperates by key with coupling shaft.
Compared with prior art, the utlity model has following beneficial effect: because one-way driving mechanism is set in connection set, even appearring in motor, operation irregularity stops operating, power measurer can not influence connection set because inertia is rotated further the impact force of generation yet, thereby has guaranteed the working life of connection set.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, coupling shaft 1, motor 2, output shaft 21, power measurer 3, input shaft 31, elastic compression part 4, ratchet 5, ratchet 6, the first transmission shafts 7, the second transmission shafts 8, universal joint cross 9, ball spline 10, internal spline 11, elastic caoutchouc 12, land 13, speed reducer 14, housing 15, output cover 16, axle sleeve 17, screw 18, bolt 19, pin 20.
Embodiment
At accompanying drawing embodiment of the present utility model is described further below:
Shown in figure, a kind of shaft connector that is used to connect motor and power measurer, comprise reducing gear, coupling shaft 1 and transmission shaft, described coupling shaft 1 is connected with the output shaft 21 of motor 2 and the input end of reducing gear, described transmission shaft is connected with the output terminal of reducing gear and the input shaft 31 of power measurer 3, and described transmission shaft matches with described input shaft 31 by one-way driving mechanism.Because one-way driving mechanism is set in connection set, even appearring in motor, operation irregularity stops operating, power measurer can not influence connection set because inertia is rotated further the damage power of generation yet, thereby has guaranteed the working life of connection set.
Shown in figure, described one-way driving mechanism comprises elastic compression part 4, ratchet 5 and ratchet 6, described ratchet 5 axially can slippage be located on the transmission shaft and with its transmitting torque radially, described elastic compression part 4 extruding ratchets 5 match with ratchet 6, and described ratchet 6 cooperates with described input shaft 31 circumferential transmissions by linking mechanism.Here the elastic compression part 4 of Cai Yonging is a spring, perhaps other elastic component, one end is connected on the transmission shaft, one end is connected ratchet 5 on end face, and spring extruding ratchet 5 matches with ratchet 6, and ratchet 5 rotates and can drive ratchet 6 rotations, ratchet 6 rotates to squeeze and drives ratchet 5 and skid with ratchet 5 conversely, adopt above-mentioned one-way driving mechanism, transmission effective, agile property is strong.
Shown in figure, described transmission shaft comprises first transmission shaft 7 and second transmission shaft 8, described first transmission shaft 7 is connected by universal joint cross 9 with second transmission shaft 8, and described first transmission shaft 7 is connected with the reducing gear output terminal, and described second transmission shaft 8 matches with ratchet 5.First transmission shaft, the 7 outer axle sleeves 17 that cooperate with its circumferential transmission that are provided with, axle sleeve 17 is connected by bolt 19 at overcoat with universal joint cross 9, second transmission shaft 8 is connected with universal joint cross 9, both can guarantee mutual transfers moment of torsion, can radial position freely adjust again, in use, can not accelerate the damage of transmission shaft, make the agile property of the win transmission shaft 7 and second transmission shaft 8 stronger owing to the central position disalignment.
Shown in figure, described linking mechanism comprises ball spline 10, internal spline 11, elastic caoutchouc 12 and land 13, described bulb ball spline 10 and ratchet 6 be driving torque radially, described internal spline 11 is meshed with ball spline 10, described elastic caoutchouc 12 is located at outside the internal spline 11 and with land 13 and is fixedlyed connected, and described land 13 matches with input shaft 3.Elastic caoutchouc 12 is connected by bolt 19, pin 20 with internal spline 11 and land 13, because rotating speed is fast, and the ocsillator strenght height, collapsing force is strong, and the effect that elastic caoutchouc 12 has buffering, antivibration is set, thus the performance that guarantees parts is unaffected.This linking mechanism, it is good to have the interlock performance, and transferring power is stable, safe and reliable advantage.And adopt ball spline 10 is in order to coordinate mutually with universal joint cross 9, thus the stationarity of assurance transmission shaft.Coupling shaft 1 usefulness universal joint cross 9 is connected with power measurer 3 with slowing-down structure respectively with ball spline 10, has reduced the centering requirement of motor 2 with power measurer 3.
Shown in figure, described reducing gear is a speed reducer 14, comprises housing 15, and described housing 15 is fixedlyed connected with the shell of motor 2.Adopt speed reducer 14 effect reducing gears, can certainly adopt other reducing gear, the housing 15 that speed reducer 14 is set is connected by screw 18 with the shell of motor 5, thereby realize that motor 2 can drive speed reducer 14 motions simultaneously when vibration, avoid because the inconsistent coupling shaft 1 that causes of direction of vibration of motor 2 and speed reducer 14 is easily fractureed.Adopt reducing gear to be connected with motor, the rotating speed of power measurer also just decreases in test process, thereby has also reduced the rotary inertia of power measurer.
Shown in figure, the output shaft of described coupling shaft 1 and motor 2 21 cooperates by key.Described output shaft 21 is provided with output cover 16, is provided with internal spline in the described output cover 16, matches with coupling shaft 21 by internal spline, adopts above-mentioned fit system to make output shaft 21 firm more, reliable with cooperating of coupling shaft 1.
Embodiment should not be considered as the restriction to model utility, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (7)
1. shaft connector that is used to connect motor and power measurer, it is characterized in that: comprise reducing gear, coupling shaft (1) and transmission shaft, described coupling shaft (1) is connected with the output shaft (21) of motor (2) and the input end of reducing gear, described transmission shaft is connected with the output terminal of reducing gear and the input shaft (31) of power measurer (3), and described transmission shaft matches with described input shaft (31) by unidirectional transmission.
2. the shaft connector that is used to connect motor and power measurer according to claim 1, it is characterized in that described one-way driving mechanism comprises elastic compression part (4), ratchet (5) and ratchet (6), described ratchet (5) axially can slippage be located on the transmission shaft and with its transmitting torque radially, described elastic compression part (4) extruding ratchet (5) matches with ratchet (6), and described ratchet (6) cooperates by the circumferential transmission of linking mechanism and described input shaft (31).
3. the shaft connector that is used to connect motor and power measurer according to claim 2, it is characterized in that described transmission shaft comprises first transmission shaft (7) and second transmission shaft (8), described first transmission shaft (7) is connected by universal joint cross (9) with second transmission shaft (8), described first transmission shaft (7) is connected with the reducing gear output terminal, and described second transmission shaft (8) matches with ratchet (5).
4. according to claim 2 or the 3 described shaft connectors that are used to connect motor and power measurer, it is characterized in that described linking mechanism comprises ball spline (10), internal spline (11) and land (13), described ball spline (10) and ratchet (6) be driving torque radially, described internal spline (11) is meshed with bulb gear (10), described land (13) is fixedlyed connected with internal spline (11), and cooperates with the circumferential transmission of input shaft (31).
5. the shaft connector that is used to connect motor and power measurer according to claim 4, it is characterized in that the flexible rubber of described internal spline (11) peripheral hardware (12), described elastic caoutchouc (12) is fixedlyed connected with internal spline (11) and land (13) respectively.
6. according to claim 1 or 2 or the 3 or 5 described shaft connectors that are used to connect motor and power measurer, it is characterized in that described reducing gear is speed reducer (14), comprise housing (15), described housing (15) is fixedlyed connected with the shell of motor (2).
7. according to claim 1 or 2 or the 3 or 5 described shaft connectors that are used to connect motor and power measurer, it is characterized in that described coupling shaft (1) cooperates by key with the output shaft (21) of motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201418257U CN202032014U (en) | 2011-05-05 | 2011-05-05 | Shaft connection device used for connecting engine and dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201418257U CN202032014U (en) | 2011-05-05 | 2011-05-05 | Shaft connection device used for connecting engine and dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032014U true CN202032014U (en) | 2011-11-09 |
Family
ID=44894312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201418257U Expired - Lifetime CN202032014U (en) | 2011-05-05 | 2011-05-05 | Shaft connection device used for connecting engine and dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032014U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182770A (en) * | 2011-05-05 | 2011-09-14 | 浙江赖仕雷恩游艇有限公司 | Shaft connecting device for connecting motor and dynamometer |
| CN104196917A (en) * | 2014-08-25 | 2014-12-10 | 中科华核电技术研究院有限公司 | Backstop device and control rod driving mechanism provided with same |
| CN106197790A (en) * | 2016-08-17 | 2016-12-07 | 中国兵器装备集团摩托车检测技术研究所 | The fixing electric motor type dual-purpose dynamometer machine of engine transient dynamic test and dual-purpose method thereof |
-
2011
- 2011-05-05 CN CN2011201418257U patent/CN202032014U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182770A (en) * | 2011-05-05 | 2011-09-14 | 浙江赖仕雷恩游艇有限公司 | Shaft connecting device for connecting motor and dynamometer |
| CN102182770B (en) * | 2011-05-05 | 2012-10-10 | 浙江赖仕雷恩游艇有限公司 | Shaft connecting device for connecting motor and dynamometer |
| CN104196917A (en) * | 2014-08-25 | 2014-12-10 | 中科华核电技术研究院有限公司 | Backstop device and control rod driving mechanism provided with same |
| CN104196917B (en) * | 2014-08-25 | 2017-01-25 | 中广核研究院有限公司 | Backstop device and control rod driving mechanism provided with same |
| CN106197790A (en) * | 2016-08-17 | 2016-12-07 | 中国兵器装备集团摩托车检测技术研究所 | The fixing electric motor type dual-purpose dynamometer machine of engine transient dynamic test and dual-purpose method thereof |
| CN106197790B (en) * | 2016-08-17 | 2018-10-30 | 中检西部检测有限公司 | The fixed dual-purpose dynamometer machine of electric motor type engine transient dynamic test and its dual-purpose method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111109 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |