CN105181198B - One kind becomes number of teeth gear and stirs oily power attenuation measurement apparatus and method - Google Patents
One kind becomes number of teeth gear and stirs oily power attenuation measurement apparatus and method Download PDFInfo
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- CN105181198B CN105181198B CN201510730656.3A CN201510730656A CN105181198B CN 105181198 B CN105181198 B CN 105181198B CN 201510730656 A CN201510730656 A CN 201510730656A CN 105181198 B CN105181198 B CN 105181198B
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Abstract
The present invention discloses a kind of number of teeth gear that becomes and stirs oily power attenuation measurement apparatus, including at least one variable number of teeth gear train, the variable number of teeth gear train includes toothed disc body, several gear gear shapings, and several gear tooth slots at equal intervals on toothed disc body periphery；Inserted block groove is respectively equipped with gear gear shaping two bottom sides, spring one is radially inside sequentially provided with gear tooth slot and by block, two rectangular channels are provided between adjacent two gear tooth slot, and be interconnected between adjacent rectangular channel and gear tooth slot, inside rectangular channel, rectangular block and spring two are sequentially provided with from the connectivity part of rectangular channel and gear tooth slot, when in gear gear shaping insertion gear tooth slot, being moved down by block in gear tooth slot, rectangular block inserts inserted block groove in the presence of spring two and gear gear shaping is fixed in gear tooth slot, advantage is that any amount gear gear shaping can be installed on toothed disc body, it is easy to change number of gear teeth, and then the different numbers of teeth are studied to stirring the influence of oily power attenuation.
Description
Technical field
The present invention relates to a kind of power attenuation measurement apparatus, and in particular to one kind becomes number of teeth gear and stirs oily power attenuation measurement
Device and method.
Background technology
Currently to stirring oil machine structure power attenuation the reason for, is primarily with respect to the research for stirring oil machine structure power attenuation external cause.No
Special can change number of gear teeth, position and the gear reducer mechanism of steering, the number of teeth, position and steering one during measurement power attenuation
As it is fixed, ignore the influence that oily power attenuation is stirred in number of teeth change for decelerator, these factors may all be that oily damage is stirred in influence
The main cause of mistake.
The content of the invention
The present invention seeks to：One kind is provided and is easy to change number of gear teeth, position and steering, so study the different numbers of teeth,
The change number of teeth gear that diverse location, different steerings stir decelerator oily power attenuation influence stirs oily power attenuation measurement apparatus and side
Method.
The technical scheme is that：One kind becomes number of teeth gear and stirs oily power attenuation measurement apparatus, including at least one can
Become number of teeth gear train, the variable number of teeth gear train includes toothed disc body, several gear gear shapings, and several are at equal intervals
Gear tooth slot on the toothed disc body periphery；Inserted block groove is respectively equipped with the gear gear shaping two bottom sides,
The gear tooth slot is radially inside sequentially provided with spring one and by block, while being provided with two rectangles between adjacent two gear tooth slot
It is interconnected between groove, and adjacent rectangular channel and gear tooth slot, inside the rectangular channel, from rectangular channel and gear tooth slot
Connectivity part is sequentially provided with rectangular block and spring two, and when gear gear shaping is not inserted into gear tooth slot, rectangular block is under the effect of spring two
Withstand its respective side by block side wall；When gear gear shaping insertion gear tooth slot in, being moved down by block in gear tooth slot, rectangle
Block inserts inserted block groove in the presence of spring two and gear gear shaping is fixed in gear tooth slot.
As preferred technical scheme, in addition to several correspond the rectangular block set with the gear tooth slot and bounced back
Device, the rectangular block restoring device is included located at the T-shaped chute of the toothed disc body one side and located at the T-shaped chute
On pulling block；Half for connecting and being radially arranged close to the one end of spring two with the rectangular channel is provided with the toothed disc body
Cylinder groove, provided with the annular groove being connected with the semicolumn groove in the toothed disc body, and the annular groove and the T
Type chute is connected；By two wires, corresponding with both sides rectangular block is connected the pulling block respectively, described wire one end with
The rectangular block is fixed, and the other end sequentially passes through the corresponding center of spring two, semicolumn groove and annular groove on rear side of rectangular block,
Finally it is fixedly connected with the pulling block, when pulling block upward sliding, the wire pulls rectangular block retraction, and gear gear shaping is described
Upward automatic spring gear tooth slot under spring one is acted on.
As preferred technical scheme, arc-shaped corner is set in the week side of boss of the inserted block groove, while the rectangular block
Head is set to arc-shaped.
As preferred technical scheme, in the rectangular channel and the semicolumn groove connectivity part and the semicolumn groove
It is arc-shaped surface with the annular groove connectivity part.
As preferred technical scheme, the rectangular opening that wire passes through is supplied provided with one in the T-shaped chute bottom, and it is described
Wire one end is fixedly connected with the pulling block bottom.
It it is one as the number of preferred technical scheme, in addition to Gearbox, and the variable number of teeth gear train
Or two；
When the number of variable number of teeth gear train is one, it is used to be set with variable gear provided with one in the Gearbox
The gear shaft of number gear train, two ends of the gear shaft are respectively connected with rotational speed and torque measurement apparatus；
When the number of variable number of teeth gear train is two, suit two is respectively used to provided with two in the Gearbox
The gear shaft of variable number of teeth gear train, and two variable number of teeth gear trains are mutually ratcheting, two of which end in two gear shaft
Or four ends are connected with rotational speed and torque measurement apparatus.
As preferred technical scheme, the rotational speed and torque measurement apparatus includes controller, is connected with the controller
Motor, and the shaft coupling being connected with the motor output end, the shaft coupling are connected with the end of a wherein gear shaft, simultaneously
A torque and speed sensorses are provided with the shaft coupling.
One kind becomes number of teeth gear and stirs oily power attenuation measuring method, specifically includes following steps：
(1) setting power test point is respectively：p1…pi…pj, the rotating speed of motor is respectively:n1…ni…nj；
(2) test point p is being carried out1During measurement, the rotating speed for setting motor is n1, motor is maintained under the rotating speed
Operation a period of time, the input power of motor and the power output of dynamometer motor is set to tend to be steady, measurement motor
Input torque is Tin-1, the output torque of dynamometer motor is Tout-1；Test next measurement of rotating speed point p successively again2Input turn
Square and output torque, until all test point p1…pi…pjAll it is run and measures, finally show that the input of motor turns
Square is：Tin-1…Tin-i…Tin-j, the output torque of dynamometer motor is：Tout-1…Tout-i…Tout-j；
(3) pth is finally obtainediThe churning loss value P of test point geariFor：
It is an advantage of the invention that：
1. the change number of teeth gear of the present invention, which stirs oily power attenuation measurement apparatus, to install any amount on toothed disc body
Gear gear shaping, be easy to change the number of teeth of gear, and then study the influence that the different numbers of teeth stir decelerator oily power attenuation；
2. the present invention can be also used for studying the identical number of teeth, during tooth distribution diverse location, stir oily power for decelerator and damage
The influence of consumption；Research gear clockwise, when rotating counterclockwise, the influence of oily power attenuation is stirred for decelerator, and then after being
The power attenuation research of decelerator provides data supporting.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is the assembly structure diagram of variable number of teeth gear train of the invention；
Fig. 2 is variable number of teeth gear train structural representation of the invention；
Fig. 3 is variable number of teeth gear train structure sectional view of the invention；
Fig. 4 is rectangular block restoring device structural representation of the present invention；
Fig. 5 is T-shaped sliding groove structure schematic diagram of the invention；
Fig. 6 is the structural representation of the embodiment of the present invention 2；
Fig. 7 is the structural representation of the embodiment of the present invention 3；
Fig. 8 is the structural representation of the embodiment of the present invention 4；
Wherein：1 toothed disc body, 2 gear gear shapings, 3 gear tooth slots, 4 inserted block grooves, 5 springs one, 6 press block, 7 rectangular blocks, 8
Spring two, 9T type chutes, 10 pulling blocks, 11 semicolumn grooves, 12 annular grooves, 13 rectangular openings, 14 Gearboxes, 15 gear shafts, 16
Controller, 17 motors, 18 shaft couplings, 19 torque and speed sensorses.
Embodiment
Embodiment 1：Referring to figs. 1 to shown in 5, one kind becomes number of teeth gear and stirs oily power attenuation measurement apparatus, including at least one
Individual variable number of teeth gear train, the variable number of teeth gear train include toothed disc body 1, several gear gear shapings 2, and several etc.
Gear tooth slot 3 of the interval on the periphery of toothed disc body 1；Inserted block groove 4 is respectively equipped with the two bottom sides of gear gear shaping 2,
Gear tooth slot 3 is radially inside sequentially provided with spring 1 and by block 6, while being provided with two rectangles between adjacent two gear tooth slot 3
It is interconnected between groove, and adjacent rectangular channel and gear tooth slot 3, inside rectangular channel, from rectangular channel and the company of gear tooth slot 3
Logical place is sequentially provided with rectangular block 7 and spring 28, and when gear gear shaping 2 is not inserted into gear tooth slot 3, rectangular block 7 is made in spring 28
Withstood under its respective side by the side wall of block 6；When in the insertion gear tooth slot 3 of gear gear shaping 2, block 6 is pressed in gear tooth slot 3
Move down, rectangular block 7 inserts inserted block groove 4 in the presence of spring 28 and gear gear shaping 2 is fixed in gear tooth slot 3.
The rectangular block restoring device set is corresponded present invention additionally comprises several and gear tooth slot 3, the rectangular block is returned
Compression apparatus includes the T-shaped chute 9 and the pulling block 10 on T-shaped chute 9 located at the one side of toothed disc body 1；In toothed disc sheet
Provided with the semicolumn groove 11 for connecting and being radially arranged close to the one end of spring 28 with rectangular channel in body 1, set in toothed disc body 1
There is the annular groove 12 being connected with semicolumn groove 11, and annular groove 12 is connected with T-shaped chute 9；Pulling block 10 passes through two wires
Rectangular block 7 corresponding with both sides is connected respectively, and wire one end is fixed with rectangular block 7, and the other end sequentially passes through the rear side of rectangular block 7
The corresponding center of spring 28, semicolumn groove 11 and annular groove 12, are finally fixedly connected with the bottom of pulling block 10, while T-shaped
The bottom of chute 9 is provided with a rectangular opening 13 passed through for wire, when the upward sliding of pulling block 10, and wire pulls rectangular block 7 to bounce back,
The upward automatic spring gear tooth slot 3 under the effect of spring 1 of gear gear shaping 2.
The present invention sets arc-shaped corner in the week side of boss of inserted block groove 4, is easy to both sides rectangular block 7 to enter inserted block groove 4, while square
The head of shape block 7 is set to arc-shaped, rectangular block 7 and makes when reduction is moved down by block 6 by the frictional force between block 6, and further
Rectangular block 7 enters in inserted block groove 4.
It is that circular arc is bent in rectangular channel and the connectivity part of semicolumn groove 11 and semicolumn groove 11 and the connectivity part of annular groove 12
Face, in order to which wire passes through, while the week side of boss of rectangular opening 13 is set to arc-shaped corner, in order to which wire is moved.
One kind becomes number of teeth gear and stirs oily power attenuation measuring method, specifically includes following steps：
(1) setting power test point is respectively：p1…pi…pj, the rotating speed of motor is respectively:n1…ni…nj；
(2) test point p is being carried out1During measurement, the rotating speed for setting motor is n1, motor is maintained under the rotating speed
Operation a period of time, the input power of motor and the power output of dynamometer motor is set to tend to be steady, measurement motor
Input torque is Tin-1, the output torque of dynamometer motor is Tout-1；Test next measurement of rotating speed point p successively again2Input turn
Square and output torque, until all test point p1…pi…pjAll it is run and measures, finally show that the input of motor turns
Square is：Tin-1…Tin-i…Tin-j, the output torque of dynamometer motor is：Tout-1…Tout-i…Tout-j；
(3) pth is finally obtainediThe churning loss value P of test point geariFor：
Embodiment 2：Shown in reference picture 6, present invention change number of teeth gear, which stirs oily power attenuation measurement apparatus, includes reduction box case
Body 14, and two gear shafts 15 in Gearbox 14, the number of variable number of teeth gear train is two, and is set with
In on two gear shafts 15, two ends in two gear shafts 15 positioned at crossover location are connected with rotational speed and torque measurement apparatus；This turn
Fast torque measuring device includes controller 16, the motor 17 being connected with controller 16, and the connection being connected with the output end of motor 17
Axle device 8, the shaft coupling 18 is connected with the end of a wherein gear shaft 15, while being sensed on shaft coupling 18 provided with a rotational speed and torque
Device 19, and one of motor is motor, and another motor is dynamometer motor.
Its specific implementation method is as follows：
(1) the full tooth engagement of two variable number of teeth gear trains is made, one of them variable number of teeth gear train clockwise can with another
Become the engagement rotation of number of teeth gear train, rotational speed and torque is measured by two torque and speed sensorses 19, finally using in embodiment 1
Method obtains its power attenuation.
(2) the full tooth engagement of two variable number of teeth gear trains is made, one of them variable number of teeth gear train counterclockwise can with another
Become the engagement rotation of number of teeth gear train, rotational speed and torque is measured by two torque and speed sensorses 19, finally using in embodiment 1
Method obtains its power attenuation.
Embodiment 3：Shown in reference picture 7, variable number of teeth gear of the invention, which stirs oily power attenuation measurement apparatus, includes reduction box
Casing 14, and the gear shaft 15 in Gearbox 14, the number of variable number of teeth gear train is one, and is set in
On the gear shaft 15, two ends of the gear shaft 15 are respectively connected with rotational speed and torque measurement apparatus；The rotational speed and torque measurement apparatus
Including controller 16, the motor 17 being connected with controller 16, and the shaft coupling 18 being connected with the output end of motor 17, the shaft coupling
18 are connected with the end of a wherein gear shaft 15, while a torque and speed sensorses 19 are provided with shaft coupling 18, and wherein
One motor is motor, and another motor is dynamometer motor.
Its specific implementation method is as follows：
(1) variable number of teeth gear train is first not inserted into gear gear shaping 2, and turned clockwise in the form of disk, pass through two
Torque and speed sensorses 19 measure rotational speed and torque, finally obtain its power attenuation using the method in embodiment 1.
(2) variable number of teeth gear train is first not inserted into gear gear shaping 2, and the rotate counterclockwise in the form of disk, pass through two
Torque and speed sensorses 19 measure rotational speed and torque, finally obtain its power attenuation using the method in embodiment 1.
(3) the gear gear shaping 2 on variable number of teeth gear train is made to be randomly distributed on toothed disc body 1, first using the number of teeth as n
When rotate clockwise and embodiment 1 in measuring method respectively prototype gear gear shaping 2 be arranged on diverse location when stir oily power
Loss, to probe under the identical number of teeth, gear gear shaping 2 irregularly be arranged on diverse location when stir oily power attenuation for gear
Influence；Then the measurement number of teeth is n+1 successively again, during n+2 ... n+j, power attenuation when being installed with diverse location.
(4) the gear gear shaping 2 on variable number of teeth gear train is made to be randomly distributed on toothed disc body 1, first using the number of teeth as n
When rotate counterclockwise and embodiment 1 in measuring method respectively prototype gear gear shaping 2 be arranged on diverse location when stir oily power
Loss, to probe under the identical number of teeth, gear gear shaping 2 irregularly be arranged on diverse location when stir oily power attenuation for gear
Influence；Then the measurement number of teeth is n+1 successively again, during n+2 ... n+j, power attenuation when being installed with diverse location.And it is suitable with it
Power attenuation when hour hands are rotated is made comparisons.
(5) make the gear gear shaping 2 of variable number of teeth gear train is regular to be distributed on toothed disc body 1, when first using the number of teeth as n
Rotate clockwise and embodiment 1 in measuring method difference prototype gear gear shaping 2 disk is arranged on different symmetric modes
The loss of oily power was stirred when upper；Then the measurement number of teeth is n+1 successively again, during n+2 ... n+j, tooth when being installed with different symmetric modes
Wheel stirs the loss of oily power.
(6) make the gear gear shaping 2 of variable number of teeth gear train is regular to be distributed on toothed disc body 1, when first using the number of teeth as n
Rotate counterclockwise and embodiment 1 in measuring method difference prototype gear gear shaping 2 disk is arranged on different symmetric modes
The loss of oily power was stirred when upper；Then the measurement number of teeth is n+1 successively again, during n+2 ... n+j, tooth when being installed with different symmetric modes
Wheel stirs the loss of oily power.And power attenuation is compared during with rotating clockwise.
Embodiment 4:Shown in reference picture 8, variable number of teeth gear of the invention, which stirs oily power attenuation measurement apparatus, includes reduction box
Casing 14, and two gear shafts 15 in Gearbox 14, the number of variable number of teeth gear train is two, and is covered respectively
Loaded on two gear shafts 15, four ends of two gear shaft 15 are respectively connected with rotational speed and torque measurement apparatus；The rotational speed and torque is surveyed
Measuring device includes controller 16, the motor 17 being connected with controller 16, and the shaft coupling 18 being connected with the output end of motor 17, should
Shaft coupling 18 is connected with the end of a wherein gear shaft 15, while a torque and speed sensorses 19 are provided with shaft coupling 18, and
And two of which motor is motor, another two motor is dynamometer motor.
Its specific implementation method is as follows：
(1) two variable number of teeth gear train is first not inserted into wedge-shaped gear shaping 2, and is turned clockwise respectively in the form of disk, most
Two kinds of power attenuations are obtained using the method in embodiment 1 afterwards, and compare the difference of two kinds of power attenuations.
(2) two variable number of teeth gear trains are first not inserted into wedge-shaped gear shaping 2, and one of them dextrorotation in the form of disk
Turn, afterwards another rotate counterclockwise in the form of disk, two kinds of power attenuations finally obtained using the method in embodiment 1,
And compare the difference of two kinds of power attenuations.
(3) two variable number of teeth gear trains are first not inserted into wedge-shaped gear shaping 2, and distinguish rotate counterclockwise in the form of disk, most
Two kinds of power attenuations are obtained using the method in embodiment 1 afterwards, and compare the difference of two kinds of power attenuations.
(4) method (1) (2), (3), the gear of (4) (5) (6) are pacified in one of them variable number of teeth gear train and embodiment 3
Dress situation is identical, and another variable number of teeth gear train is first not inserted into gear gear shaping 2, and is turned clockwise in the form of disk, leads to
The method of embodiment 1 is crossed to measure its churning loss, and with method (1) (2) in embodiment 3, (3), (4) (5) (6) experiment number
The influence for adding to stir oily power when a disk stirs oil for gear is probed into according to comparing.
(5) method (1) (2), (3), the gear of (4) (5) (6) are pacified in one of them variable number of teeth gear train and embodiment 3
Dress situation is identical, and another variable number of teeth gear train is first not inserted into gear gear shaping 2, and the rotate counterclockwise in the form of disk, leads to
The method of embodiment 1 is crossed to measure its churning loss, and with method (1) (2) in embodiment 3, (3), (4) (5) (6) experiment number
The influence for adding to stir oily power when a disk stirs oil for gear is probed into according to comparing.
Oily power is stirred gear clockwise and anticlockwise comparing the experimental data of (4) and (5) to probe into disk simultaneously
Influence.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (6)
1. one kind, which becomes number of teeth gear, stirs oily power attenuation measurement apparatus, it is characterised in that including at least one variable number of teeth gear
Group, the variable number of teeth gear train includes toothed disc body, several gear gear shapings, and several are at equal intervals located at the tooth
Gear tooth slot on wheel disc body periphery；Inserted block groove is respectively equipped with the gear gear shaping two bottom sides, in the gear teeth
Groove is radially inside sequentially provided with spring one and by block, while two rectangular channels are provided between adjacent two gear tooth slot, and it is adjacent
Rectangular channel and gear tooth slot between be interconnected, inside the rectangular channel, from the connectivity part of rectangular channel and gear tooth slot according to
Secondary to be provided with rectangular block and spring two, when gear gear shaping is not inserted into gear tooth slot, it is right that rectangular block withstands its under the effect of spring two
Answer side by block side wall；When gear gear shaping insertion gear tooth slot in, being moved down by block in gear tooth slot, rectangular block is in spring
Inserted block groove is inserted in the presence of two and gear gear shaping is fixed in gear tooth slot；
Also include several and correspond the rectangular block restoring device set, the rectangular block restoring device with the gear tooth slot
Including located at the T-shaped chute of the toothed disc body one side and the pulling block on the T-shaped chute；In the toothed disc sheet
In vivo provided with the semicolumn groove for connecting and being radially arranged close to the one end of spring two with the rectangular channel, in the toothed disc body
It is interior provided with the annular groove being connected with the semicolumn groove, and the annular groove is connected with the T-shaped chute；The pulling block leads to
Cross corresponding with the both sides rectangular block connection respectively of two wires, described wire one end is fixed with the rectangular block, the other end according to
It is secondary to be finally fixedly connected through the corresponding center of spring two, semicolumn groove and annular groove on rear side of rectangular block with the pulling block,
When pulling block upward sliding, the wire pulls rectangular block retraction, gear gear shaping upward appliance for releasing single under the spring one effect
Go out gear tooth slot；
Rotational speed and torque measurement apparatus includes controller, the motor being connected with the controller, and connects with the motor output end
The shaft coupling connect, the shaft coupling is connected with the end of a wherein gear shaft, while turning on the shaft coupling provided with a rotating speed
Square sensor.
2. change number of teeth gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that in the inserted block
The week side of boss of groove sets arc-shaped corner, while the head of the rectangular block is set to arc-shaped.
3. change number of teeth gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that in the rectangle
Groove and the semicolumn groove connectivity part and the semicolumn groove and the annular groove connectivity part are arc-shaped surface.
4. change number of teeth gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that described T-shaped
Chute bottom is fixedly connected provided with a rectangular opening passed through for wire, and described wire one end with the pulling block bottom.
5. change number of teeth gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that also including slowing down
Box body, and the number of the variable number of teeth gear train is one or two；
When the number of variable number of teeth gear train is one, it is used to be set with variable number of teeth tooth provided with one in the Gearbox
The gear shaft of wheel group, two ends of the gear shaft are respectively connected with rotational speed and torque measurement apparatus；
Provided with two it is respectively used to be set with two when the number of variable number of teeth gear train is two, in the Gearbox variable
The gear shaft of number of teeth gear train, and two variable number of teeth gear trains are mutually ratcheting, two of which end or four in two gear shaft
Individual end is connected with rotational speed and torque measurement apparatus.
6. a kind of number of teeth gear as claimed in claim 1 that becomes stirs oily power attenuation measuring method, it is characterised in that specifically include
Following steps：
(1) setting power test point is respectively：p1…pi…pj, the rotating speed of motor is respectively:n1…ni…nj；
(2) test point p is being carried out1During measurement, the rotating speed for setting motor is n1, maintain motor to be run under the rotating speed
For a period of time, the input power of motor and the power output of dynamometer motor is tended to be steady, measure the input of motor
Torque is Tin-1, the output torque of dynamometer motor is Tout-1；Test next measurement of rotating speed point p successively again2Input torque and
Output torque, until all test point p1…pi…pjAll it is run and measures, finally draws the input torque of motor
For：Tin-1…Tin-i…Tin-j, the output torque of dynamometer motor is：Tout-1…Tout-i…Tout-j；
(3) pth is finally obtainediThe churning loss value P of test point geariFor：
Wherein i=1 ... j.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510730656.3A CN105181198B (en) | 2015-11-02 | 2015-11-02 | One kind becomes number of teeth gear and stirs oily power attenuation measurement apparatus and method |
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|---|---|---|---|
| CN201510730656.3A CN105181198B (en) | 2015-11-02 | 2015-11-02 | One kind becomes number of teeth gear and stirs oily power attenuation measurement apparatus and method |
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| Publication Number | Publication Date |
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| CN105181198A CN105181198A (en) | 2015-12-23 |
| CN105181198B true CN105181198B (en) | 2017-10-13 |
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| CN108287071B (en) * | 2018-01-25 | 2020-01-24 | 盐城工学院 | Device and method for measuring gear transmission loss rate |
| CN111458138B (en) * | 2020-03-31 | 2022-06-10 | 盐城工学院 | Experimental device and method for measuring gear oil stirring loss in oil-immersed lubrication state |
| CN114346683B (en) * | 2021-12-15 | 2022-12-06 | 台州市东部数控设备有限公司 | High-precision turning and milling composite center based on virtual shaft |
| CN116587338A (en) * | 2023-07-19 | 2023-08-15 | 江苏西奥医用材料有限公司 | Adjustable dialysis paper cutting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NO300940B1 (en) * | 1994-09-26 | 1997-08-18 | Frantz Karsten Smith | Device for measuring torsion on rotating shafts |
| CN2301718Y (en) * | 1996-12-23 | 1998-12-23 | 高金华 | Hydraulic engine power test device |
| DE102012022447A1 (en) * | 2012-11-16 | 2014-05-22 | Storck Bicycle Gmbh | Crank arm, crankset and power measuring device for an at least partially muscle-driven vehicle or exercise machine with a crank drive |
| CN104565288B (en) * | 2014-11-28 | 2017-02-22 | 盐城工学院 | Detachable vibration reduction gear |
| CN104819794A (en) * | 2015-05-21 | 2015-08-05 | 广州大学 | Non-contact type motor power loss measurement device and method |
| CN205078734U (en) * | 2015-11-02 | 2016-03-09 | 盐城工学院 | Become number of teeth gear oil stirring power loss measurement device |
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