CN111220455A - Novel agricultural implement silt friction wear test device - Google Patents
Novel agricultural implement silt friction wear test device Download PDFInfo
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- CN111220455A CN111220455A CN202010210544.6A CN202010210544A CN111220455A CN 111220455 A CN111220455 A CN 111220455A CN 202010210544 A CN202010210544 A CN 202010210544A CN 111220455 A CN111220455 A CN 111220455A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/565—Investigating resistance to wear or abrasion of granular or particulate material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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Abstract
The invention discloses a novel agricultural implement silt friction wear test device which comprises a base, wherein a test box is fixedly connected to the upper end of the base, a fixed plate is fixedly connected to the upper end of the test box, a feeding box is fixedly connected to the upper end of the fixed plate, a circular cavity is formed in the fixed plate, a first disc matched with the inner wall of the circular cavity is rotatably connected to the inner wall of the circular cavity through a cross rod, and a plurality of material containing grooves are uniformly distributed in the side wall of the first disc. The flow of silt can be controlled through the electromagnetic valve, meanwhile, the incomplete gear intermittently drives the gear to rotate through the rotation of the double-shaft motor, so that the silt in the material containing groove can intermittently enter the test box, the entering amount of the silt in unit time can be adjusted, different agricultural implements can be tested conveniently, the silt can enter the material inlet box through the flood dragon spiral blades, the silt can be recycled, the using amount of the silt is reduced, and the test cost is reduced.
Description
Technical Field
The invention relates to the technical field of friction tests, in particular to a novel agricultural implement silt friction wear test device.
Background
The friction test is to carry out an accelerated friction test on the part of an object or a material which actually faces friction so as to test the friction resistance in a short time, and most of the reasons influencing the service life of the agricultural implement in the use process of the agricultural implement are that the agricultural implement is abraded after being rubbed with silt, so that the agricultural implement needs to be subjected to a friction and abrasion test in the production process.
At present, it is through silt descending carry out friction test to agricultural implement when experimental to the frictional wear of agricultural implement, to different agricultural implement, the volume of falling of silt is different in the unit interval, but the volume of falling of silt can't be controlled at present, make can't carry out reasonable experiment to different agricultural implement, in addition, after silt falls, do not in time retrieve cyclic utilization to silt, make the silt that needs to consume when experimental to agricultural implement huge, difficult operation and test cost increase.
Therefore, a novel agricultural implement silt friction wear test device is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a novel agricultural implement silt friction wear test device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel agricultural implement silt friction wear test device, the on-line screen storage device comprises a base, base upper end fixedly connected with proof box, proof box upper end fixedly connected with fixed plate, fixed plate upper end fixedly connected with feeding case, the spout has been seted up to the relative inner wall of feeding case, spout inner wall sliding connection has annular frame, annular frame inner wall fixedly connected with filter screen, circular chamber has been seted up in the fixed plate, circular chamber inner wall is connected with through the horizontal pole rotation with circular chamber inner wall complex first disc, a plurality of flourishing silos have been seted up to first disc lateral wall equipartition.
Preferably, the bottom in the feeding box is communicated with the top in the circular cavity through a discharging port, an electromagnetic valve is installed in the discharging port, the side wall of the fixed plate is fixedly connected with a double-shaft motor through a connecting rod, a first driving device for driving a first disc to rotate and a second driving device for driving an annular frame to slide back and forth on the inner wall of a sliding groove are respectively installed on a movable shaft of the double-shaft motor, the inner wall of the test box is rotatably connected with a rotating shaft, the side wall of the rotating shaft is fixedly connected with a second disc, circular grooves are uniformly distributed on the side wall of the second disc, the inner wall of the circular groove is rotatably connected with an L-shaped frame through the connecting rod, the side wall of the L-shaped frame is fixedly connected with a vertical plate, the side wall of the vertical plate is provided with a groove, the side wall of the groove is provided with, base lower extreme fixedly connected with driving motor, driving motor upper end runs through base upper end and fixedly connected with and defeated workbin inner wall complex flood dragon helical blade, defeated workbin inner wall top is connected with the discharging pipe, just the discharging pipe lower extreme is just setting up to feeding case upper end.
Preferably, the first driving device comprises an incomplete gear fixedly connected with a side wall of a movable shaft of the double-shaft motor, and one end of the cross rod penetrates through a side wall of the fixed plate and is fixedly connected with a gear meshed with the incomplete gear.
Preferably, the second drive arrangement includes that fixed connection keeps away from the eccentric wheel of incomplete gear expansion end at double-shaft motor, the ring channel has been seted up to the eccentric wheel lateral wall, ring channel inner wall sliding connection has first slider, first slider lateral wall rotates through the connecting axle and is connected with first montant, first montant lateral wall top rotates and is connected with the second montant, the one end that first montant was kept away from to the second montant runs through feeding case lateral wall and with annular frame lateral wall fixed connection, annular frame lateral wall passes through guide bar and feeding case inner wall fixed connection.
Preferably, clamping device is including rotating the double threaded rod of connection at the recess inner wall, double threaded rod lateral wall symmetry threaded connection has the second slider, second slider lateral wall passes through diaphragm fixedly connected with arc splint.
Preferably, the third driving device comprises a transverse column rotatably connected to the upper end of the base, one end, away from the second disc, of the rotating shaft penetrates through the side wall of the test box and is fixedly connected with a first bevel gear, the upper end of the transverse column is fixedly connected with a second bevel gear meshed with the first bevel gear, and a fourth driving device for driving the transverse column to rotate is mounted on the driving motor.
Preferably, the fourth driving device comprises a driving wheel fixedly connected to the side wall of the movable shaft of the driving motor, the lower end of the cross column penetrates through the side wall of the base and is fixedly connected with a driven wheel, and the driving wheel is connected with the driven wheel through a synchronous belt.
Preferably, double-end threaded rod one end runs through riser lateral wall and fixedly connected with hand wheel, hand wheel lateral wall sliding connection has the gag lever post, the hand wheel lateral wall passes through spring and gag lever post lateral wall elastic connection, riser lateral wall equipartition has seted up a plurality ofly and gag lever post complex spacing groove.
Preferably, an inclined plate is fixedly connected to the lower portion of the inner wall of the test box, and one end, far away from the inner wall of the test box, of the inclined plate is communicated with the inner wall of the material conveying box.
The invention has the following beneficial effects:
1. by arranging the double-shaft motor, the eccentric wheel, the annular groove, the first sliding block, the first vertical rod and the second vertical rod, the double-shaft motor drives the first sliding block to move back and forth in the annular groove, so that the first vertical rod drives the second vertical rod to move back and forth on the side wall of the feeding box, and the annular frame fixedly connected with one end of the second vertical rod is driven to slide back and forth on the inner wall of the sliding groove, so that silt on the filter screen is quickly screened, and the influence of larger silt on a test result is avoided;
2. the electromagnetic valve can control the flow of silt, and meanwhile, the rotation of the double-shaft motor enables the incomplete gear to intermittently drive the gear to rotate, so that the silt in the material containing groove can intermittently enter the test box, the entering amount of the silt in unit time can be adjusted, and different agricultural implements can be conveniently tested;
3. by arranging the circular groove, the L-shaped frame, the vertical plate, the groove, the double-threaded rod, the second sliding block, the transverse plate and the arc-shaped clamping plate, the double-threaded rod rotates to enable the second sliding block to drive the arc-shaped clamping plate to move through the transverse plate, large-area wrapping and clamping are carried out on the agricultural implement, firmness of the agricultural implement is improved, meanwhile, when the second disc rotates, the vertical plate drives the agricultural implement to move in the vertical direction all the time, and effectiveness of a test result of the agricultural implement is improved;
4. through setting up defeated workbin, driving motor, flood dragon helical blade, discharging pipe and swash plate, the swash plate can get into defeated workbin to the silt water conservancy diversion that gets into in the proof box, makes silt can get into the feed box under flood dragon helical blade's effect in, can follow the recycle to silt, reduces the use amount of silt, reduces experimental cost.
Drawings
FIG. 1 is a schematic structural view of a novel agricultural implement silt friction wear test device provided by the invention;
FIG. 2 is an enlarged schematic view of a part of the structure of the novel agricultural implement silt friction wear test device provided by the invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of a top view of a feed box in the novel agricultural implement silt friction wear test device provided by the invention;
fig. 5 is a schematic side sectional structure view of a fixing plate in the novel agricultural implement silt friction wear test device provided by the invention.
In the figure: the device comprises a base 1, a test box 2, a fixing plate 3, a feeding box 4, a sliding chute 5, an annular frame 6, a filter screen 7, a circular cavity 8, a cross rod 9, a first disk 10, a material containing groove 11, an electromagnetic valve 12, a double-shaft motor 13, an incomplete gear 14, a gear 15, an eccentric wheel 16, an annular groove 17, a first sliding block 18, a first vertical rod 19, a second vertical rod 20, a rotating shaft 21, a second disk 22, a circular groove 23, a 24L-shaped frame, a vertical plate 25, a groove 26, a double-threaded rod 27, a second sliding block 28, a transverse plate 29, an arc-shaped clamping plate 30, a hand wheel 31, a limiting groove 32, a limiting rod 33, a spring 34, a material conveying box 35, a spiral blade 36, a driving motor 37, a transverse column 38, a first bevel gear 39, a second bevel gear 40, a driving wheel 41, a.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-5, a novel agricultural implement silt friction wear test device comprises a base 1, a test box 2 is fixedly connected to the upper end of the base 1, further, a box door is hinged to the side wall of the test box 2, a fixing plate 3 is fixedly connected to the upper end of the test box 2, a feeding box 4 is fixedly connected to the upper end of the fixing plate 3, a chute 5 is formed in the opposite inner wall of the feeding box 4, an annular frame 6 is slidably connected to the inner wall of the chute 5, a filter screen 7 is fixedly connected to the inner wall of the annular frame 6, a circular cavity 8 is formed in the fixing plate 3, a first disc 10 matched with the inner wall of the circular cavity 8 is rotatably connected to the inner wall of the circular cavity 8 through a cross rod 9, a plurality of material containing grooves 11 are uniformly distributed on the side wall of the first disc 10, the inner bottom of the feeding box 4 is communicated with the, a double-shaft motor 13 is fixedly connected on the side wall of the fixed plate 3 through a connecting rod, a first driving device for driving the first disc 10 to rotate and a second driving device for driving the annular frame 6 to slide back and forth on the inner wall of the chute 5 are respectively installed on a movable shaft of the double-shaft motor 13, a rotating shaft 21 is rotatably connected on the inner wall of the test box 2, a second disc 22 is fixedly connected on the side wall of the rotating shaft 21, circular grooves 23 are uniformly distributed on the side wall of the second disc 22, the inner wall of the circular groove 23 is rotatably connected with an L-shaped frame 24 through a connecting rod, a vertical plate 25 is fixedly connected on the side wall of the L-shaped frame 24, a groove 26 is formed on the side wall of the vertical plate 25, a clamping device for clamping agricultural implements is installed on the side wall of the groove 26, a third driving device for driving the rotating shaft 21 to rotate is installed on the base 1, a material conveying box 35 is fixedly connected on, the discharging pipe 44 is connected to the upper portion of the inner wall of the material conveying box 35, the lower end of the discharging pipe 44 is opposite to the upper end of the material conveying box 4, the inclined plate 43 is fixedly connected to the lower portion of the inner wall of the test box 2, and one end, far away from the inner wall of the test box 2, of the inclined plate 43 is communicated with the inner wall of the material conveying box 35.
First drive arrangement includes incomplete gear 14 of fixedly connected with biax motor 13 loose axle lateral wall, and horizontal pole 9 one end runs through 3 lateral walls of fixed plate and fixedly connected with and incomplete gear 14 meshed gear 15, and further, when incomplete gear 14 drives gear 15 and rotates once, have two flourishing silo 11 all the time just to discharge gate and proof box 2 interior top.
The second driving device comprises an eccentric wheel 16 fixedly connected to a double-shaft motor 13 and far away from the movable end of an incomplete gear 14, an annular groove 17 is formed in the side wall of the eccentric wheel 16, a first sliding block 18 is slidably connected to the inner wall of the annular groove 17, a first vertical rod 19 is rotatably connected to the side wall of the first sliding block 18 through a connecting shaft, a second vertical rod 20 is rotatably connected to the upper portion of the side wall of the first vertical rod 19, one end, far away from the first vertical rod 19, of the second vertical rod 20 penetrates through the side wall of a feeding box 4 and is fixedly connected with the side wall of an annular frame 6, and the side.
The clamping device comprises a double-threaded rod 27 rotatably connected to the inner wall of the groove 26, a second sliding block 28 is symmetrically and threadedly connected to the side wall of the double-threaded rod 27, and an arc-shaped clamping plate 30 is fixedly connected to the side wall of the second sliding block 28 through a transverse plate 29.
The third driving device comprises a transverse column 38 rotatably connected to the upper end of the base 1, one end of the rotating shaft 21, which is far away from the second disc 22, penetrates through the side wall of the test box 2 and is fixedly connected with a first bevel gear 39, a second bevel gear 40 meshed with the first bevel gear 39 is fixedly connected to the upper end of the transverse column 38, and a fourth driving device for driving the transverse column 38 to rotate is installed on the driving motor 37.
The fourth driving device comprises a driving wheel 41 fixedly connected to the side wall of the movable shaft of the driving motor 37, the lower end of the cross column 38 penetrates through the side wall of the base 1 and is fixedly connected with a driven wheel 42, and the driving wheel 41 is connected with the driven wheel 42 through a synchronous belt.
Double-threaded rod 27 one end runs through riser 25 lateral wall and fixedly connected with hand wheel 31, and hand wheel 31 lateral wall sliding connection has gag lever post 33, and hand wheel 31 lateral wall passes through spring 34 and gag lever post 33 lateral wall elastic connection, and riser 25 lateral wall equipartition is seted up a plurality ofly and gag lever post 33 complex spacing groove 32.
In the invention, a box door hinged on the side wall of a test box 2 is opened, a limit rod 33 connected with the side wall of a hand wheel 31 in a sliding way is pulled to separate the limit rod 33 from a limit groove 32, the hand wheel 31 is rotated to drive a double-end threaded rod 27 fixedly connected with the side wall of the hand wheel 31 to rotate, two second slide blocks 28 symmetrically and in threaded connection with the side wall of the double-end threaded rod 27 are driven to move relatively, the second slide blocks 28 drive an arc-shaped clamp plate 30 to clamp an agricultural implement through a transverse plate 29, then the limit rod 33 is loosened to enable the limit rod 33 to be abutted against the inner wall of the limit groove 32 under the action of a spring 34 to limit the rotating position of the double-end threaded rod 27, silt is poured onto a filter screen 7 fixedly connected with the inner wall of an annular frame 6, a double-shaft motor 13 is driven, the double-shaft motor 13 rotates, the first slide block 18 drives the first vertical rod 19 to move through the connecting shaft, the first vertical rod 19 drives the annular frame 6 fixedly connected with one end of the second vertical rod 20 to move back and forth through the second vertical rod 20, screening of silt on the filter screen 7 is accelerated, the adjusting electromagnetic valve 12 adjusts the flow of the silt, meanwhile, the double-shaft motor 13 rotates to enable the incomplete gear 14 fixedly connected to the side wall of the movable shaft to rotate, the incomplete gear 14 drives the gear 15 meshed with the incomplete gear to rotate in a clearance mode, the gear 15 rotates the first disc 10 through the cross rod 9 to rotate, and the material containing groove 11 formed in the side wall of the first disc 10 is enabled to pour the silt into the test box 2 in an equivalent mode;
start driving motor 37, driving motor 37 rotates and makes the action wheel 41 pass through the hold-in range and drive from driving wheel 42 and rotate, make and rotate from driving wheel 42 upper end fixed connection's spreader 38, make fixed connection drive rather than the first bevel gear 39 rotation of meshing at the second bevel gear 40 of spreader 38 upper end, drive the pivot 21 rotation with first bevel gear 39 lateral wall fixed connection, make pivot 21 drive second disc 22 rotate, make silt can rub the tight agricultural implement of arc splint 30 clamp, silt after carrying out the friction flows into conveying tank 35 through fixed connection at the swash plate 43 of proof box 2 inner wall, and driving motor 37 rotates and drives flood dragon helical blade 36 and rotate, the silt of bottom rises in the drive conveying tank 35, and make silt flow into feeding tank 4 from the discharging pipe 44 of fixed connection at the conveying tank 35 inner wall.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a novel agricultural implement silt friction wear test device, includes base (1), its characterized in that, base (1) upper end fixedly connected with proof box (2), proof box (2) upper end fixedly connected with fixed plate (3), fixed plate (3) upper end fixedly connected with feeding case (4), spout (5) have been seted up to the relative inner wall of feeding case (4), spout (5) inner wall sliding connection has annular frame (6), annular frame (6) inner wall fixedly connected with filter screen (7), circular chamber (8) have been seted up in fixed plate (3), circular chamber (8) inner wall rotate through horizontal pole (9) be connected with circular chamber (8) inner wall complex first disc (10), a plurality of flourishing silo (11) have been seted up to first disc (10) lateral wall equipartition.
2. The novel agricultural implement silt friction wear test device according to claim 1, characterized in that the bottom in the feed box (4) is communicated with the top in the circular cavity (8) through a discharge port, an electromagnetic valve (12) is installed in the discharge port, the side wall of the fixed plate (3) is fixedly connected with a double-shaft motor (13) through a connecting rod, a first driving device for driving the first disk (10) to rotate and a second driving device for driving the annular frame (6) to slide back and forth on the inner wall of the chute (5) are respectively installed on a movable shaft of the double-shaft motor (13), the inner wall of the test box (2) is rotatably connected with a rotating shaft (21), the side wall of the rotating shaft (21) is fixedly connected with a second disk (22), circular grooves (23) are uniformly distributed on the side wall of the second disk (22), and the inner wall of the circular grooves (23) is rotatably connected with an L-shaped frame, l type frame (24) lateral wall fixedly connected with riser (25), riser (25) lateral wall is seted up fluted (26), recess (26) lateral wall is installed and is carried out tight clamping device to the agricultural implement, base (1) installation drive pivot (21) pivoted third drive arrangement, base (1) upper end fixedly connected with defeated workbin (35), base (1) lower extreme fixedly connected with driving motor (37), driving motor (37) upper end runs through base (1) upper end and fixedly connected with and defeated workbin (35) inner wall complex flood dragon helical blade (36), defeated workbin (35) inner wall top is connected with discharging pipe (44), just discharging pipe (44) lower extreme is just to feeding case (4) upper end setting.
3. The novel agricultural implement silt friction wear test device according to claim 2, characterized in that the first driving device comprises an incomplete gear (14) fixedly connected with a side wall of a movable shaft of a double-shaft motor (13), and one end of the cross rod (9) penetrates through a side wall of the fixed plate (3) and is fixedly connected with a gear (15) meshed with the incomplete gear (14).
4. The novel agricultural implement silt friction wear test device according to claim 3, characterized in that the second driving device comprises an eccentric wheel (16) fixedly connected to a double-shaft motor (13) and far away from the movable end of the incomplete gear (14), an annular groove (17) is formed in the side wall of the eccentric wheel (16), a first sliding block (18) is connected to the inner wall of the annular groove (17) in a sliding manner, a first vertical rod (19) is rotatably connected to the side wall of the first sliding block (18) through a connecting shaft, a second vertical rod (20) is rotatably connected to the upper portion of the side wall of the first vertical rod (19), one end, far away from the first vertical rod (19), of the second vertical rod (20) penetrates through the side wall of the feeding box (4) and is fixedly connected with the side wall of the annular frame (6), and the side wall of the annular frame (6) is fixedly connected with the inner.
5. The novel agricultural implement silt friction wear test device according to claim 4, characterized in that the clamping device comprises a double-threaded rod (27) rotatably connected to the inner wall of the groove (26), the side wall of the double-threaded rod (27) is symmetrically and threadedly connected with a second sliding block (28), and the side wall of the second sliding block (28) is fixedly connected with an arc-shaped clamping plate (30) through a transverse plate (29).
6. The novel agricultural implement silt friction wear test device according to claim 5, characterized in that the third driving device comprises a cross column (38) rotatably connected to the upper end of the base (1), one end of the rotating shaft (21) far away from the second disk (22) penetrates through the side wall of the test box (2) and is fixedly connected with a first bevel gear (39), a second bevel gear (40) meshed with the first bevel gear (39) is fixedly connected to the upper end of the cross column (38), and a fourth driving device for driving the cross column (38) to rotate is mounted on the driving motor (37).
7. The novel agricultural implement silt friction wear test device according to claim 6, characterized in that the fourth driving device includes a driving wheel (41) fixedly connected to the side wall of the movable shaft of the driving motor (37), the lower end of the cross column (38) penetrates through the side wall of the base (1) and is fixedly connected with a driven wheel (42), and the driving wheel (41) is connected with the driven wheel (42) through a synchronous belt.
8. The novel agricultural implement silt friction wear test device of claim 7, characterized in that, double threaded rod (27) one end runs through riser (25) lateral wall and fixedly connected with hand wheel (31), hand wheel (31) lateral wall sliding connection has gag lever post (33), hand wheel (31) lateral wall passes through spring (34) and gag lever post (33) lateral wall elastic connection, riser (25) lateral wall equipartition has seted up a plurality ofly and gag lever post (33) complex spacing groove (32).
9. The novel agricultural implement silt friction wear test device according to claim 8, characterized in that an inclined plate (43) is fixedly connected below the inner wall of the test box (2), and one end of the inclined plate (43) far away from the inner wall of the test box (2) is communicated with the inner wall of the material conveying box (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010210544.6A CN111220455A (en) | 2020-03-24 | 2020-03-24 | Novel agricultural implement silt friction wear test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010210544.6A CN111220455A (en) | 2020-03-24 | 2020-03-24 | Novel agricultural implement silt friction wear test device |
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| Publication Number | Publication Date |
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| CN111220455A true CN111220455A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010210544.6A Withdrawn CN111220455A (en) | 2020-03-24 | 2020-03-24 | Novel agricultural implement silt friction wear test device |
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| CN (1) | CN111220455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505047A (en) * | 2020-12-25 | 2021-03-16 | 安徽台信科技有限公司 | Rotary appearance detection device for direct-drive electric main shaft |
-
2020
- 2020-03-24 CN CN202010210544.6A patent/CN111220455A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505047A (en) * | 2020-12-25 | 2021-03-16 | 安徽台信科技有限公司 | Rotary appearance detection device for direct-drive electric main shaft |
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