CN105181198A - Device and method for measuring churning power losses of tooth number variable gears - Google Patents
Device and method for measuring churning power losses of tooth number variable gears Download PDFInfo
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- CN105181198A CN105181198A CN201510730656.3A CN201510730656A CN105181198A CN 105181198 A CN105181198 A CN 105181198A CN 201510730656 A CN201510730656 A CN 201510730656A CN 105181198 A CN105181198 A CN 105181198A
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Abstract
The invention discloses a device for measuring churning power losses of tooth number variable gears. The device comprises at least a tooth number variable gear train, wherein the tooth number variable gear train comprises a gear disk body, a plurality of gear insert teeth and a plurality of gear tooth slots formed in the circumferential surface of the gear disk body at equal intervals; insert block slots are formed at the two sides of the bottoms of the gear insert teeth respectively; springs I and press blocks are radially arranged inside the gear tooth slots in sequence; two rectangular slots are formed between two adjacent gear tooth slots; the adjacent rectangular slots are communicated with the gear tooth slots; rectangular blocks and springs II are arranged inside the rectangular slots and in the communication positions of the rectangular slots and the gear tooth slots in sequence; and when the gear insert teeth are inserted in the gear tooth slots, the press blocks arranged in the gear tooth slots move downward, the rectangular blocks are inserted in the insert block slots under the actions of the springs II and the gear insert teeth are fixed in the gear tooth slots. The device has the advantages that any number of gear insert teeth can be installed on the gear disk bodies, thus being convenient for changing the tooth numbers of the gears and then studying the impacts of different tooth numbers on the churning power losses.
Description
Technical field
The present invention relates to a kind of power attenuation measurement mechanism, be specifically related to a kind of number of teeth gear that becomes and stir oily power attenuation measurement mechanism and method.
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 change number of teeth gear on speed reduction unit stirs the impact of oily power attenuation to stir oily power attenuation measurement mechanism and method.
Technical scheme of the present invention is: a kind of number of teeth gear that becomes 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 gear gear shapings, and several are located at the gear tooth slot on described toothed disc body periphery at equal intervals; Inserted block groove is respectively equipped with in described gear gear shaping two bottom sides, spring one is radially provided with successively and by block in described gear tooth slot inside, between adjacent two gear tooth slot, be provided with two rectangular channels simultaneously, and be interconnected between adjacent rectangular channel and gear tooth slot, in described rectangular channel inside, be provided with rectangular block and spring two successively from the connectivity part of rectangular channel and gear tooth slot, when gear gear shaping does not insert in gear tooth slot, rectangular block spring two act under withstand its respective side by block sidewall; When gear gear shaping inserts in gear tooth slot, be positioned at moving down by block of gear tooth slot, rectangular block inserts inserted block groove and is fixed in gear tooth slot by gear gear shaping under the effect of spring two.
As preferred technical scheme, also comprise the rectangular block restoring device that several and described gear tooth slot one_to_one corresponding are arranged, described rectangular block restoring device comprises the T-shaped chute being located at described toothed disc body one side and the pulling block be located on described T-shaped chute; Be provided with in described toothed disc body and be communicated with near spring two one end and the radial semicolumn groove arranged with described rectangular channel, in described toothed disc body, be provided with the annular groove be connected with described semicolumn groove, and described annular groove is connected with described T-shaped chute; Described pulling block is connected by the rectangular block that two tinsels are corresponding with both sides respectively, described tinsel one end and described rectangular block are fixed, the other end is successively through spring two center corresponding on rear side of rectangular block, semicolumn groove and annular groove, finally be fixedly connected with described pulling block, when pulling block upward sliding, described tinsel pulls rectangular block to bounce back, gear gear shaping upwards automatic spring gear tooth slot under described spring one acts on.
As preferred technical scheme, arrange arc-shaped corner in all sides of described inserted block groove, the head of described rectangular block is set to arc-shaped simultaneously.
As preferred technical scheme, be arc-shaped surface at described rectangular channel and described semicolumn groove connectivity part and described semicolumn groove and described annular groove connectivity part.
As preferred technical scheme, bottom described T-shaped chute, be provided with a rectangular opening passed through for tinsel, and described tinsel one end is fixedly connected with bottom described pulling block.
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 number of teeth gear that becomes 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. change number of teeth gear of the present invention stirs the gear gear shaping that oily power attenuation measurement mechanism can install 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 the package assembly schematic diagram of the variable number of teeth gear set of the present invention;
Fig. 2 is the present invention's variable number of teeth gear set structural representation;
Fig. 3 is the present invention's variable number of teeth gear set structure cut-open view;
Fig. 4 is rectangular block restoring device structural representation of the present invention;
Fig. 5 is the T-shaped sliding groove structure schematic diagram of the present 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 slot, 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 opening, 14 Gearboxes, 15 gear shafts, 16 controllers, 17 motors, 18 shaft couplings, 19 torque and speed sensorses.
Embodiment
Embodiment 1: shown in 5, a kind of number of teeth gear that becomes 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 gear gear shapings 2, and several are located at the gear tooth slot 3 on toothed disc body 1 periphery at equal intervals; Inserted block groove 4 is respectively equipped with in gear gear shaping 2 two bottom sides, spring 1 is radially provided with successively and by block 6 in gear tooth slot 3 inside, between adjacent two gear tooth slot 3, be provided with two rectangular channels simultaneously, and be interconnected between adjacent rectangular channel and gear tooth slot 3, in rectangular channel inside, be provided with rectangular block 7 and spring 28 successively from the connectivity part of rectangular channel and gear tooth slot 3, when gear gear shaping 2 does not insert in gear tooth slot 3, rectangular block 7 spring 28 act under withstand its respective side by block 6 sidewall; When gear gear shaping 2 inserts in gear tooth slot 3, be positioned at moving down by block 6 of gear tooth slot 3, rectangular block 7 inserts inserted block groove 4 and is fixed in gear tooth slot 3 by gear gear shaping 2 under the effect of spring 28.
The present invention also comprises the rectangular block restoring device that several and gear tooth slot 3 one_to_one corresponding are arranged, and this rectangular block restoring device comprises the T-shaped chute 9 being located at toothed disc body 1 one side and the pulling block 10 be located on T-shaped chute 9; Be provided with in toothed disc body 1 and be communicated with near spring 28 one end and the radial semicolumn groove 11 arranged with rectangular channel, in toothed disc body 1, be provided with the annular groove 12 be connected with semicolumn groove 11, and annular groove 12 is connected with T-shaped chute 9; Pulling block 10 is connected by the rectangular block 7 that two tinsels are corresponding with both sides respectively, tinsel one end and rectangular block 7 are fixed, the other end is successively through spring 28 center corresponding on rear side of rectangular block 7, semicolumn groove 11 and annular groove 12, finally be fixedly connected with bottom pulling block 10, bottom T-shaped chute 9, be provided with a rectangular opening 13 passed through for tinsel simultaneously, when pulling block 10 upward sliding, tinsel pulls rectangular block 7 to bounce back, and gear gear shaping 2 is upwards automatic spring gear tooth slot 3 under spring 1 acts on.
The present invention arranges arc-shaped corner in all sides of inserted block groove 4, be convenient to both sides rectangular block 7 and enter inserted block groove 4, simultaneously the head of rectangular block 7 is set to arc-shaped, rectangular block 7 and by the friction force between block 6 when reducing to move down by block 6, and makes rectangular block 7 enter in inserted block groove 4 further.
Be arc-shaped surface at rectangular channel and semicolumn groove 11 connectivity part and semicolumn groove 11 and annular groove 12 connectivity part, so that tinsel passes through, all sides of rectangular opening 13 are set to arc-shaped corner, so that tinsel moves simultaneously.
A kind of number of teeth gear that becomes 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. 6, the present invention becomes number of teeth gear and stirs oily power attenuation measurement mechanism and comprise Gearbox 14, and two gear shafts 15 be located in Gearbox 14, the number of variable number of teeth gear set is two, and being set with on two gear shafts 15, two ends being positioned at crossover location in two gear shafts 15 are connected with rotational speed and torque measurement mechanism; This rotational speed and torque measurement mechanism comprises controller 16, the motor 17 be connected with controller 16, and the shaft coupling 8 to be connected with motor 17 output terminal, this shaft coupling 18 is connected with the end of a wherein gear shaft 15, on shaft coupling 18, be provided with a torque and speed sensors 19 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 19, 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 19, finally adopt the method in embodiment 1 to obtain its power attenuation.
Embodiment 3: with reference to shown in Fig. 7, the present invention's variable number of teeth gear stirs oily power attenuation measurement mechanism and comprises Gearbox 14, and the gear shaft 15 be located in Gearbox 14, the number of variable number of teeth gear set is one, and being set on this gear shaft 15, two ends of this gear shaft 15 are all connected with rotational speed and torque measurement mechanism; This rotational speed and torque measurement mechanism comprises controller 16, the motor 17 be connected with controller 16, and the shaft coupling 18 to be connected with motor 17 output terminal, this shaft coupling 18 is connected with the end of a wherein gear shaft 15, on shaft coupling 18, be provided with a torque and speed sensors 19 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 gear gear shaping 2, and turn clockwise with the form of disk, measure rotational speed and torque by two torque and speed sensorses 19, finally adopt the method in embodiment 1 to obtain its power attenuation.
(2) make variable number of teeth gear set first not insert gear gear shaping 2, and be rotated counterclockwise with the form of disk, measure rotational speed and torque by two torque and speed sensorses 19, finally adopt the method in embodiment 1 to obtain its power attenuation.
(3) make that the gear gear shaping 2 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 stirs the loss of oily power when prototype gear gear shaping 2 is arranged on diverse location respectively, under probing into the identical number of teeth, gear gear shaping 2 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 gear gear shaping 2 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 stirs the loss of oily power when prototype gear gear shaping 2 is arranged on diverse location respectively, under probing into the identical number of teeth, gear gear shaping 2 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 gear gear shaping 2 rule of variable number of teeth gear set is distributed on toothed disc body 1, rotates clockwise and measuring method in embodiment 1 stirs the loss of oily power when prototype gear gear shaping 2 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 gear gear shaping 2 rule of variable number of teeth gear set is distributed on toothed disc body 1, rotates counterclockwise and measuring method in embodiment 1 stirs the loss of oily power when prototype gear gear shaping 2 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. 8, the present invention's variable number of teeth gear stirs oily power attenuation measurement mechanism and comprises Gearbox 14, and two gear shafts 15 be located in Gearbox 14, the number of variable number of teeth gear set is two, and being set with on two gear shafts 15, four ends of this two gear shaft 15 are all connected with rotational speed and torque measurement mechanism; This rotational speed and torque measurement mechanism comprises controller 16, the motor 17 be connected with controller 16, and the shaft coupling 18 to be connected with motor 17 output terminal, this shaft coupling 18 is connected with the end of a wherein gear shaft 15, on shaft coupling 18, be provided with a torque and speed sensors 19 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 gear gear shaping 2, 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 gear gear shaping 2, 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 (8)
1. a change 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 gear gear shapings, and several are located at the gear tooth slot on described toothed disc body periphery at equal intervals; Inserted block groove is respectively equipped with in described gear gear shaping two bottom sides, spring one is radially provided with successively and by block in described gear tooth slot inside, between adjacent two gear tooth slot, be provided with two rectangular channels simultaneously, and be interconnected between adjacent rectangular channel and gear tooth slot, in described rectangular channel inside, be provided with rectangular block and spring two successively from the connectivity part of rectangular channel and gear tooth slot, when gear gear shaping does not insert in gear tooth slot, rectangular block spring two act under withstand its respective side by block sidewall; When gear gear shaping inserts in gear tooth slot, be positioned at moving down by block of gear tooth slot, rectangular block inserts inserted block groove and is fixed in gear tooth slot by gear gear shaping under the effect of spring two.
2. change number of teeth gear according to claim 1 stirs oily power attenuation measurement mechanism, it is characterized in that, also comprise the rectangular block restoring device that several and described gear tooth slot one_to_one corresponding are arranged, described rectangular block restoring device comprises the T-shaped chute being located at described toothed disc body one side and the pulling block be located on described T-shaped chute; Be provided with in described toothed disc body and be communicated with near spring two one end and the radial semicolumn groove arranged with described rectangular channel, in described toothed disc body, be provided with the annular groove be connected with described semicolumn groove, and described annular groove is connected with described T-shaped chute; Described pulling block is connected by the rectangular block that two tinsels are corresponding with both sides respectively, described tinsel one end and described rectangular block are fixed, the other end is successively through spring two center corresponding on rear side of rectangular block, semicolumn groove and annular groove, finally be fixedly connected with described pulling block, when pulling block upward sliding, described tinsel pulls rectangular block to bounce back, gear gear shaping upwards automatic spring gear tooth slot under described spring one acts on.
3. change number of teeth gear according to claim 1 stirs oily power attenuation measurement mechanism, it is characterized in that, arranges arc-shaped corner in all sides of described inserted block groove, and the head of described rectangular block is set to arc-shaped simultaneously.
4. change number of teeth gear according to claim 2 stirs oily power attenuation measurement mechanism, it is characterized in that, is arc-shaped surface at described rectangular channel and described semicolumn groove connectivity part and described semicolumn groove and described annular groove connectivity part.
5. change number of teeth gear according to claim 2 stirs oily power attenuation measurement mechanism, it is characterized in that, be provided with a rectangular opening passed through for tinsel, and described tinsel one end is fixedly connected with bottom described T-shaped chute with bottom described pulling block.
6. change 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.
7. change number of teeth gear according to claim 6 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.
8. the number of teeth gear that becomes 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: n1 ... ni ... n
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:
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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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| 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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| Publication Number | Publication Date |
|---|---|
| CN105181198A true CN105181198A (en) | 2015-12-23 |
| CN105181198B CN105181198B (en) | 2017-10-13 |
Family
ID=54903442
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|---|---|---|---|
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|---|---|
| CN (1) | CN105181198B (en) |
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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 |
| CN111458138A (en) * | 2020-03-31 | 2020-07-28 | 盐城工学院 | Experimental device and method for measuring gear oil stirring loss in oil-immersed lubrication state |
| CN114346683A (en) * | 2021-12-15 | 2022-04-15 | 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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| CN114346683A (en) * | 2021-12-15 | 2022-04-15 | 台州市东部数控设备有限公司 | High-precision turning and milling composite center based on virtual shaft |
| 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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| CN105181198B (en) | 2017-10-13 |
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