CN105222938A - A kind of variable number of teeth gear stirs oily power attenuation measurement mechanism and method thereof - Google Patents
A kind of variable number of teeth gear stirs oily power attenuation measurement mechanism and method thereof Download PDFInfo
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- CN105222938A CN105222938A CN201510730941.5A CN201510730941A CN105222938A CN 105222938 A CN105222938 A CN 105222938A CN 201510730941 A CN201510730941 A CN 201510730941A CN 105222938 A CN105222938 A CN 105222938A
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Abstract
<b> the invention discloses a kind of variable number of teeth gear and stirs oily power attenuation measurement mechanism, it is characterized in that, comprise at least one variable number of teeth gear set, described variable number of teeth gear set comprises toothed disc body, several are the radial wedge shape teeth groove be located on described toothed disc body side at equal intervals, radially be located at successively each wedge shape teeth groove inside spring and by block, and several be located at described toothed disc body week side wedge shape gear shaping; Simultaneously on described wedge shape teeth groove, the periphery that is positioned at described toothed disc body is provided with square orifice, radially press described by block, the described wide portion of wedge shape gear shaping inserts in described wedge shape teeth groove from the side of described toothed disc body, described wedge shape gear shaping spring-return power and with the friction force effect of wedge shape teeth groove both sides surface of contact under fixing; The invention has the advantages that, be convenient to change the gear number of teeth, position and turn to, so study the different number of teeth, diverse location, difference turn to the impact of speed reduction unit being stirred to oily power attenuation.</b>
Description
Technical field
The present invention relates to a kind of power attenuation measurement mechanism, be specifically related to a kind of variable number of teeth gear and stir oily power attenuation measurement mechanism and method thereof.
Background technology
Current to stirring the reason of oil machine structure power attenuation mainly for the research of stirring oil machine structure power attenuation external cause.There is no the special gear reducer mechanism that can change the gear number of teeth, position and turn to, the number of teeth, position and turn to general fixing when measuring power attenuation, ignore the number of teeth change of impact oily power attenuation is stirred in to(for) speed reduction unit, these factors may be all the main causes affecting churning loss.
Summary of the invention
The present invention seeks to: provide one to be convenient to change the gear number of teeth, position and turn to, so study the different number of teeth, diverse location, difference turn to the variable number of teeth gear on speed reduction unit stirs the impact of oily power attenuation to stir oily power attenuation measurement mechanism and method thereof.
Technical scheme of the present invention is: a kind of variable number of teeth gear stirs oily power attenuation measurement mechanism, comprise at least one variable number of teeth gear set, described variable number of teeth gear set comprises toothed disc body, several are the radial wedge shape teeth groove be located on described toothed disc body side at equal intervals, radially be located at successively each wedge shape teeth groove inside spring and by block, and several be located at described toothed disc body week side wedge shape gear shaping; Simultaneously on described wedge shape teeth groove, the periphery that is positioned at described toothed disc body is provided with square orifice, radially press described by block, the described wide portion of wedge shape gear shaping inserts in described wedge shape teeth groove from the side of described toothed disc body, described wedge shape gear shaping spring-return power and with the friction force effect of wedge shape teeth groove both sides surface of contact under fixing.
As preferred technical scheme, when described spring is in uncompressed state, described press block end face and described square orifice in the same plane.
As preferred technical scheme, the described medial surface by block is close to described chisel teeth groove bottom, and the described lateral surface pressing block is equal to the distance b of described chisel teeth groove bottom with opposite flank, described wedge shape teeth groove place to the distance a of side, wedge shape teeth groove place.
As preferred technical scheme, be provided with a cascaded surface at the inserting surface of described wedge shape gear shaping, the width c of described cascaded surface is equal to the distance b of described chisel teeth groove bottom with opposite flank, described wedge shape teeth groove place.
As preferred technical scheme, also comprise Gearbox, and the number of described variable number of teeth gear set is one or two; When the number of variable number of teeth gear set is one, be provided with one in described Gearbox for being set with the gear shaft of variable number of teeth gear set, two ends of this gear shaft are all connected with rotational speed and torque measurement mechanism; When the number of variable number of teeth gear set is two, the gear shaft that two are respectively used to the variable number of teeth gear set of suit two is provided with in described Gearbox, and two variable number of teeth gear sets are mutually meshing, in described two gear shafts, wherein two ends or four ends are connected with rotational speed and torque measurement mechanism.
As preferred technical scheme, described rotational speed and torque measurement mechanism comprises controller, the motor be connected with described controller, and the shaft coupling to be connected with described motor output end, described shaft coupling is connected with the end of a wherein gear shaft, is provided with a torque and speed sensors on described shaft coupling simultaneously.
A kind of as variable number of teeth gear stirs oily power attenuation measuring method, specifically comprises the following steps:
(1) setting power test point is respectively: p
1p
ip
j, the rotating speed of drive motor is respectively: n
1n
in
j;
(2) test point p is being carried out
1during measurement, the rotating speed arranging drive motor is n
1, maintain drive motor and run a period of time under this rotating speed, the power input of drive motor and the output power of dynamometer motor are tended to be steady, the input torque measuring drive motor is T
in-1, the Driving Torque of dynamometer motor is T
out-1; Test next measurement of rotating speed point p more successively
2input torque and Driving Torque, until all test point p
1p
ip
jall be run and measure, finally showing that the input torque of drive motor is: T
in-1t
in-it
in-j, the Driving Torque of dynamometer motor is: T
out-1t
out-it
out-j;
(3) finally p is obtained
ithe churning loss value P of test point gear
ifor:
Advantage of the present invention is:
1. the present invention is by mounting spring with press block, makes the wedge shape gear shaping can installing any amount on toothed disc body, is convenient to the number of teeth changing gear, and then studies the different number of teeth stirs oily power attenuation impact on speed reduction unit;
2. the present invention can also be used for studying the identical number of teeth, during tooth distribution diverse location, speed reduction unit is stirred to the impact of oily power attenuation; Research gear clockwise, when rotating counterclockwise, speed reduction unit is stirred to the impact of oily power attenuation, and then provides data supporting for the power attenuation research of later speed reduction unit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is toothed disc body of the present invention and spring and by block structure schematic diagram;
Fig. 2 is that toothed disc body of the present invention and wedge shape gear shaping assemble schematic diagram;
Fig. 3 is variable number of teeth gear set structural representation of the present invention;
Fig. 4 is the structural representation of the embodiment of the present invention 2;
Fig. 5 is the structural representation of the embodiment of the present invention 3;
Fig. 6 is the structural representation of the embodiment of the present invention 4;
Wherein: 1 toothed disc body, 2 wedge shape teeth groove, 3 springs, 4 press block, 5 wedge shape gear shapings, 6 Gearboxes, 7 gear shafts, 8 controllers, 9 motors, 10 shaft couplings, 11 torque and speed sensorses.
Embodiment
Embodiment 1: shown in 3, a kind of variable number of teeth gear stirs oily power attenuation measurement mechanism, comprise at least one variable number of teeth gear set, this variable number of teeth gear set comprises toothed disc body 1, several are the radial wedge shape teeth groove 2 be located on toothed disc body 1 side at equal intervals, radially be located at successively each wedge shape teeth groove 2 inside spring 3 and by block 4, and several are located at the wedge shape gear shaping 5 of toothed disc body 1 week side; Simultaneously on wedge shape teeth groove 2, the periphery that is positioned at toothed disc body 1 is provided with square orifice, radially will press by block 4, wide for wedge shape gear shaping 5 portion is inserted in wedge shape teeth groove 2 from the side of toothed disc body 1, wedge shape gear shaping 5 spring 3 restoring force and with the friction force effect of wedge shape teeth groove 2 both sides surface of contact under fixing.
The present invention is when spring 3 is in uncompressed state, by the end face of block 4 and square orifice in the same plane, wedge shape teeth groove 2 bottom surface is close to by the medial surface of block 4, equal to the distance b of wedge shape teeth groove 2 bottom surface with opposite flank, wedge shape teeth groove 2 place to the distance a of side, wedge shape teeth groove 2 place by the lateral surface of block 4.Be provided with a cascaded surface at the inserting surface of wedge shape gear shaping 5, the width c of cascaded surface is equal to the distance b of wedge shape teeth groove 2 bottom surface with opposite flank, wedge shape teeth groove 2 place.
A kind of as variable number of teeth gear stirs oily power attenuation measuring method, specifically comprises the following steps:
(1) setting power test point is respectively: p
1p
ip
j, the rotating speed of drive motor is respectively: n
1n
in
j;
(2) test point p is being carried out
1during measurement, the rotating speed arranging drive motor is n
1, maintain drive motor and run a period of time under this rotating speed, the power input of drive motor and the output power of dynamometer motor are tended to be steady, the input torque measuring drive motor is T
in-1, the Driving Torque of dynamometer motor is T
out-1; Test next measurement of rotating speed point p more successively
2input torque and Driving Torque, until all test point p
1p
ip
jall be run and measure, finally showing that the input torque of drive motor is: T
in-1t
in-it
in-j, the Driving Torque of dynamometer motor is: T
out-1t
out-it
out-j;
(3) finally p is obtained
ithe churning loss value P of test point gear
ifor:
Embodiment 2: with reference to shown in Fig. 4, the present invention's variable number of teeth gear stirs oily power attenuation measurement mechanism and comprises Gearbox 6, and two gear shafts 7 be located in Gearbox 6, the number of variable number of teeth gear set is two, and being set with on two gear shafts 7, two ends being positioned at crossover location in two gear shafts 7 are connected with rotational speed and torque measurement mechanism; This rotational speed and torque measurement mechanism comprises controller 8, the motor 9 be connected with controller 8, and the shaft coupling 10 to be connected with motor 9 output terminal, this shaft coupling 10 is connected with the end of a wherein gear shaft 7, on shaft coupling 10, be provided with a torque and speed sensors 11 simultaneously, and one of them motor is drive motor, another motor is dynamometer motor.
Its specific implementation method is as follows:
(1) the full tooth engagement of two variable number of teeth gear sets is made, one of them variable number of teeth gear set engages with another variable number of teeth gear set clockwise and rotates, measure rotational speed and torque by two torque and speed sensorses 11, finally adopt the method in embodiment 1 to obtain its power attenuation.
(2) the full tooth engagement of two variable number of teeth gear sets is made, one of them variable number of teeth gear set engages with another variable number of teeth gear set counterclockwise and rotates, measure rotational speed and torque by two torque and speed sensorses 11, finally adopt the method in embodiment 1 to obtain its power attenuation.
Embodiment 3: with reference to shown in Fig. 5, the present invention's variable number of teeth gear stirs oily power attenuation measurement mechanism and comprises Gearbox 6, and the gear shaft 7 be located in Gearbox 6, the number of variable number of teeth gear set is one, and being set on this gear shaft 7, two ends of this gear shaft 7 are all connected with rotational speed and torque measurement mechanism; This rotational speed and torque measurement mechanism comprises controller 8, the motor 9 be connected with controller 8, and the shaft coupling 10 to be connected with motor 9 output terminal, this shaft coupling 10 is connected with the end of a wherein gear shaft 7, on shaft coupling 10, be provided with a torque and speed sensors 11 simultaneously, and one of them motor is drive motor, another motor is dynamometer motor.
Its specific implementation method is as follows:
(1) make variable number of teeth gear set first not insert wedge shape gear shaping 5, and turn clockwise with the form of disk, measure rotational speed and torque by two torque and speed sensorses 11, finally adopt the method in embodiment 1 to obtain its power attenuation.
(2) make variable number of teeth gear set first not insert wedge shape gear shaping 5, and be rotated counterclockwise with the form of disk, measure rotational speed and torque by two torque and speed sensorses 11, finally adopt the method in embodiment 1 to obtain its power attenuation.
(3) make that the wedge shape gear shaping 5 on variable number of teeth gear set is irregular to be distributed on toothed disc body 1, to rotate clockwise when being first n with the number of teeth and measuring method in embodiment 1 measures the loss of stirring oily power when wedge shape gear shaping 5 is arranged on diverse location respectively, under probing into the identical number of teeth, wedge shape gear shaping 5 is irregular stirs the impact of oily power attenuation when being arranged on diverse location for gear; And then the measurement number of teeth is n+1, n+2 successively ... during n+j, power attenuation when installing with diverse location.
(4) make that the wedge shape gear shaping 5 on variable number of teeth gear set is irregular to be distributed on toothed disc body 1, to rotate counterclockwise when being first n with the number of teeth and measuring method in embodiment 1 measures the loss of stirring oily power when wedge shape gear shaping 5 is arranged on diverse location respectively, under probing into the identical number of teeth, wedge shape gear shaping 5 is irregular stirs the impact of oily power attenuation when being arranged on diverse location for gear; And then the measurement number of teeth is n+1, n+2 successively ... during n+j, power attenuation when installing with diverse location.And power attenuation when rotating clockwise with it is made comparisons.
(5) what make wedge shape gear shaping 5 rule of variable number of teeth gear set is distributed on toothed disc body 1, rotates clockwise and measuring method in embodiment 1 measures the loss of stirring oily power when wedge shape gear shaping 5 is arranged on disk with different symmetric modes respectively when being first n with the number of teeth; And then the measurement number of teeth is n+1, n+2 successively ... during n+j, when installing with different symmetric mode, gear stirs the loss of oily power.
(6) what make wedge shape gear shaping 5 rule of variable number of teeth gear set is distributed on toothed disc body 1, rotates counterclockwise and measuring method in embodiment 1 measures the loss of stirring oily power when wedge shape gear shaping 5 is arranged on disk with different symmetric modes respectively when being first n with the number of teeth; And then the measurement number of teeth is n+1, n+2 successively ... during n+j, when installing with different symmetric mode, gear stirs the loss of oily power.And compare with power attenuation when rotating clockwise.
Embodiment 4: with reference to shown in Fig. 6, the present invention's variable number of teeth gear stirs oily power attenuation measurement mechanism and comprises Gearbox 6, and two gear shafts 7 be located in Gearbox 6, the number of variable number of teeth gear set is two, and being set with on two gear shafts 7, four ends of this two gear shaft 7 are all connected with rotational speed and torque measurement mechanism; This rotational speed and torque measurement mechanism comprises controller 8, the motor 9 be connected with controller 8, and the shaft coupling 10 to be connected with motor 9 output terminal, this shaft coupling 10 is connected with the end of a wherein gear shaft 7, on shaft coupling 10, be provided with a torque and speed sensors 11 simultaneously, and wherein two motors are drive motor, another two motors are dynamometer motor.
Its specific implementation method is as follows:
(1) two variable number of teeth gear set does not first insert wedge shape gear shaping 2, and turns clockwise respectively with the form of disk, finally adopts the method in embodiment 1 to obtain two kinds of power attenuations, and compares the difference of two kinds of power attenuations.
(2) two variable number of teeth gear sets first do not insert wedge shape gear shaping 2, and one of them turns clockwise with the form of disk, another is rotated counterclockwise with the form of disk afterwards, finally adopts the method in embodiment 1 to obtain two kinds of power attenuations, and compares the difference of two kinds of power attenuations.
(3) two variable number of teeth gear sets first do not insert wedge shape gear shaping 2, and are rotated counterclockwise respectively with the form of disk, finally adopt the method in embodiment 1 to obtain two kinds of power attenuations, and compare the difference of two kinds of power attenuations.
(4) one of them variable number of teeth gear set is identical with the gear installation situation of method (1) (2), (3), (4) (5) (6) in embodiment 3, another variable number of teeth gear set does not first insert wedge shape gear shaping 5, and turn clockwise with the form of disk, record its churning loss by the method for embodiment 1, and compare the impact probed into and add when a disk stirs oil, gear to be stirred to oily power with the experimental data of method (1) (2), (3), (4) (5) (6) in embodiment 3.
(5) one of them variable number of teeth gear set is identical with the gear installation situation of method (1) (2), (3), (4) (5) (6) in embodiment 3, another variable number of teeth gear set does not first insert wedge shape gear shaping 5, and be rotated counterclockwise with the form of disk, record its churning loss by the method for embodiment 1, and compare the impact probed into and add when a disk stirs oil, gear to be stirred to oily power with the experimental data of method (1) (2), (3), (4) (5) (6) in embodiment 3.
Comparing the experimental data of (4) and (5) to probe into the clockwise impact with stirring oily power counterclockwise to gear of disk simultaneously.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (7)
1. a variable number of teeth gear stirs oily power attenuation measurement mechanism, it is characterized in that, comprise at least one variable number of teeth gear set, described variable number of teeth gear set comprises toothed disc body, several are the radial wedge shape teeth groove be located on described toothed disc body side at equal intervals, radially be located at successively each wedge shape teeth groove inside spring and by block, and several be located at described toothed disc body week side wedge shape gear shaping; Simultaneously on described wedge shape teeth groove, the periphery that is positioned at described toothed disc body is provided with square orifice, radially press described by block, the described wide portion of wedge shape gear shaping inserts in described wedge shape teeth groove from the side of described toothed disc body, described wedge shape gear shaping spring-return power and with the friction force effect of wedge shape teeth groove both sides surface of contact under fixing.
2. variable number of teeth gear according to claim 1 stirs oily power attenuation measurement mechanism, it is characterized in that, when described spring is in uncompressed state, described press block end face and described square orifice in the same plane.
3. variable number of teeth gear according to claim 1 stirs oily power attenuation measurement mechanism, it is characterized in that, the described medial surface by block is close to described chisel teeth groove bottom, and the described lateral surface pressing block is equal to the distance b of described chisel teeth groove bottom with opposite flank, described wedge shape teeth groove place to the distance a of side, wedge shape teeth groove place.
4. variable number of teeth gear according to claim 3 stirs oily power attenuation measurement mechanism, it is characterized in that, be provided with a cascaded surface at the inserting surface of described wedge shape gear shaping, the width c of described cascaded surface is equal to the distance b of described chisel teeth groove bottom with opposite flank, described wedge shape teeth groove place.
5. variable number of teeth gear according to claim 1 stirs oily power attenuation measurement mechanism, it is characterized in that, also comprises Gearbox, and the number of described variable number of teeth gear set is one or two;
When the number of variable number of teeth gear set is one, be provided with one in described Gearbox for being set with the gear shaft of variable number of teeth gear set, two ends of this gear shaft are all connected with rotational speed and torque measurement mechanism;
When the number of variable number of teeth gear set is two, the gear shaft that two are respectively used to the variable number of teeth gear set of suit two is provided with in described Gearbox, and two variable number of teeth gear sets are mutually meshing, in described two gear shafts, wherein two ends or four ends are connected with rotational speed and torque measurement mechanism.
6. variable number of teeth gear according to claim 5 stirs oily power attenuation measurement mechanism, it is characterized in that, described rotational speed and torque measurement mechanism comprises controller, the motor be connected with described controller, and the shaft coupling to be connected with described motor output end, described shaft coupling is connected with the end of a wherein gear shaft, is provided with a torque and speed sensors on described shaft coupling simultaneously.
7. variable number of teeth gear as claimed in claim 1 stirs an oily power attenuation measuring method, it is characterized in that, specifically comprises the following steps:
(1) setting power test point is respectively: p
1p
ip
j, the rotating speed of drive motor is respectively: n
1n
in
j;
(2) test point p is being carried out
1during measurement, the rotating speed arranging drive motor is n
1, maintain drive motor and run a period of time under this rotating speed, the power input of drive motor and the output power of dynamometer motor are tended to be steady, the input torque measuring drive motor is T
in-1, the Driving Torque of dynamometer motor is T
out-1; Test next measurement of rotating speed point p more successively
2input torque and Driving Torque, until all test point p
1p
ip
jall be run and measure, finally showing that the input torque of drive motor is: T
in-1t
in-it
in-j, the Driving Torque of dynamometer motor is: T
out-1t
out-it
out-j;
(3) finally p is obtained
ithe churning loss value P of test point gear
ifor:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510730941.5A CN105222938B (en) | 2015-11-02 | 2015-11-02 | A kind of variable number of teeth gear stirs oily power attenuation measuring device and its method |
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|---|---|---|---|
| CN201510730941.5A CN105222938B (en) | 2015-11-02 | 2015-11-02 | A kind of variable number of teeth gear stirs oily power attenuation measuring device and its method |
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| CN105222938B CN105222938B (en) | 2018-05-25 |
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| CN107132045A (en) * | 2017-06-30 | 2017-09-05 | 中国船舶重工集团公司第七�三研究所 | A kind of gear lubrication experimental rig |
| CN108007620A (en) * | 2018-01-25 | 2018-05-08 | 盐城工学院 | One kind measurement gear engaged transmission power attenuation device and retarder efficiency measurement method |
| CN108287071A (en) * | 2018-01-25 | 2018-07-17 | 盐城工学院 | A kind of measurement gear passes proportion of goods damageds device and measurement method |
| KR101964560B1 (en) * | 2018-08-28 | 2019-07-31 | 강원철 | Bicycle of Front Wheel Gear Shift Type |
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| CN108287071A (en) * | 2018-01-25 | 2018-07-17 | 盐城工学院 | A kind of measurement gear passes proportion of goods damageds device and measurement method |
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| KR101964560B1 (en) * | 2018-08-28 | 2019-07-31 | 강원철 | Bicycle of Front Wheel Gear Shift Type |
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Effective date of registration: 20211231 Address after: 224000 room 206-2, building 1, No. 49, Wengang South Road, Yannan high tech Zone, Yancheng City, Jiangsu Province Patentee after: Yancheng Zhicheng Machine Manufacturing Co.,Ltd. Address before: 224051 middle road of hope Avenue, Yancheng City, Jiangsu Province, No. 1 Patentee before: YANCHENG INSTITUTE OF TECHNOLOGY |
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