CN216225704U - High-efficient belt cleaning device of large-scale mechanical gear - Google Patents
High-efficient belt cleaning device of large-scale mechanical gear Download PDFInfo
- Publication number
- CN216225704U CN216225704U CN202122186117.1U CN202122186117U CN216225704U CN 216225704 U CN216225704 U CN 216225704U CN 202122186117 U CN202122186117 U CN 202122186117U CN 216225704 U CN216225704 U CN 216225704U
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- China
- Prior art keywords
- gear
- fixedly connected
- groove
- laminating
- circular groove
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010030 laminating Methods 0.000 claims description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000005406 washing Methods 0.000 abstract description 2
- 238000005201 scrubbing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- Brushes (AREA)
Abstract
The utility model discloses a large-scale mechanical gear efficient cleaning device which comprises a bottom plate, wherein the top surface of the bottom plate is fixedly connected with four supporting rods, and the top surfaces of the four supporting rods are fixedly connected with the same circular groove. Through the water pump operation, make the washing liquid in the bell jar carry the cover internal, rethread second through-hole blowout washes the gear body of its below, meanwhile, operate at the motor, make bell jar and toper box drive the gear body and rotate, and simultaneously, at first gear, the second gear, third gear and fifth gear cooperation are used, make the barrel realize rotatoryly, again under montant and ripple ring set up, make the barrel drive the rotatory limit of brush and reciprocate, and then effectual scrubbing gear body, and gear body's direction of rotation is opposite with the direction of rotation of brush, effectually ensure its brush to gear body's cleaning performance, and this device sets up like this, conveniently wash the gear body of big or small difference.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a large-scale mechanical gear efficient cleaning device.
Background
The gear needs to be cleaned after being processed, so that the accuracy of the gear in use is ensured, and the use effect of the gear is achieved. However, the traditional gear cleaning device is simple in structure, generally washes through high-pressure water, so that the surface of a gear can only be cleaned, impurities among gear teeth are difficult to wash, the working efficiency of gear cleaning is low, stains among the gear teeth are easy to clean, the transmission precision of the gear is affected, and the gear teeth are easy to damage or even break.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problems, the utility model provides a large-scale mechanical gear high-efficiency cleaning device.
The utility model is realized by the following technical scheme:
a large-scale mechanical gear high-efficiency cleaning device comprises a bottom plate, wherein the top surface of the bottom plate is fixedly connected with four supporting rods, the top surfaces of the four supporting rods are fixedly connected with the same circular groove, a corrugated ring is sleeved on the outer side wall of the top end of the circular groove and fixedly connected with the corrugated ring, an annular sliding groove is arranged on the top surface of the circular groove, a barrel is arranged in the sliding groove and is in laminating rotary connection with the barrel, a plurality of second balls are embedded in the bottom surface of the barrel and are in rotary connection with the barrel, the second balls are in laminating connection with the inner bottom surface of the sliding groove, a fifth gear is sleeved on the outer side wall of the barrel and is fixedly connected with the barrel, a plurality of vertical rods are fixedly connected with the bottom surface of the fifth gear, the bottom surfaces of the vertical rods are in laminating connection with the top surface of the corrugated ring, a hydraulic cylinder is fixedly connected with the top surface of the bottom plate on one side of the circular groove, a top plate is fixedly connected with a top plate at the extending end of the hydraulic cylinder, and a cover body is fixedly connected with the bottom surface of the top plate, the bottom of the cover body is provided with a plurality of second through holes, the middle part of the cover body is rotationally connected with a threaded cylinder, the threaded cylinder is sleeved with two lantern rings and is fixedly connected with the two lantern rings, the two lantern rings are respectively attached and connected with the inner bottom surface and the outer bottom surface of the cover body, the other side of the circular groove is fixedly connected with a fixed block, the fixed block is attached and rotationally connected with a rotating shaft, the rotating shaft is sleeved with two baffle rings and is fixedly connected with the rotating shaft, the two baffle rings are respectively attached and connected with the top surface and the bottom surface of the fixed block, the bottom end of the rotating shaft below the fixed block is fixedly connected with a second gear, the top end of the rotating shaft is fixedly connected with a third gear, the third gear is engaged and connected with a fifth gear, one side of the bottom surface of the circular groove is fixedly connected with a motor, the output end of the motor is fixedly connected with a first gear, the first gear is engaged and connected with the second gear, the middle part of the bottom end of the circular groove is provided with a conical groove and is rotationally connected with the bottom surface of the circular groove, the outer side wall of the conical groove is fixedly connected with a rotating ring which is embedded into the circular groove and is in fit rotary connection with the circular groove, the bottom surface of the conical groove outside the circular groove is fixedly connected with a plurality of supporting legs, the bottom surface of each supporting leg is embedded with a first ball and is in fit rotary connection with the first ball, the bottom surface of the first ball is in fit connection with the top surface of the bottom plate, the conical groove outside the circular groove is fixedly connected with a fourth gear, the fourth gear is in mesh connection with the first gear, the top surface of the conical groove inside the circular groove is in fit connection with a conical box body, the bottom surface of the conical box body is fixedly connected with a plurality of inserting rods, the inserting rods extend into the top surface of the conical groove and are in fit sliding connection with the conical groove, a plurality of first through holes are arranged on the side wall of the conical box body, keys are arranged on the outer side wall of the conical box body, and a gear body is sleeved on the conical box body and is in fit connection with the conical box body, the key groove on the gear body is sleeved on the key and is in sliding connection with the key, the top surface of the conical box body is fixedly connected with a second threaded rod, the top end of the second threaded rod extends into the threaded cylinder and is in threaded connection with the threaded cylinder, the middle part of the second threaded rod is provided with a through hole and is communicated with the cover body, the inner bottom surface of the conical groove is fixedly connected with a water pump, the output end of the water pump is fixedly connected with a guide pipe, the top end of the guide pipe penetrates through the top end of the conical box body and extends into the through hole in the middle part of the second threaded rod, the guide pipe is in sliding connection with the conical box body and the second threaded rod in a laminating way, two brushes are symmetrically arranged in the circular groove, the bristles on the brushes are laminated with the gear body, one side of a support rod on each brush is fixedly connected with a guide rod, one end of each guide rod penetrates through the side wall of the cylinder body and is in sliding connection with the laminating way, and the first threaded rod is connected on the cylinder body below the guide rod, the one end fixedly connected with hand (hold) of first threaded rod, the other end of first threaded rod passes branch on the brush and rather than laminating swivelling joint, two retaining rings of other end fixedly connected with of first threaded rod to its two retaining rings are connected with the laminating of branch both sides on the brush respectively.
Preferably, the motor and the water pump are both electrically connected with an external power supply.
Preferably, the hydraulic cylinder is communicated with the hydraulic station through a pipeline.
Preferably, the bottom surface of the bottom plate is fixedly connected with a non-slip mat.
Compared with the prior art, the utility model has the beneficial effects that: through the operation of a water pump, cleaning liquid in the conical groove is conveyed into the cover body, and then is sprayed out through the second through hole to wash a gear body below the conical groove, meanwhile, when the motor operates, the conical groove and the conical box body drive the gear body to rotate through the meshing connection of the first gear and the fourth gear, meanwhile, the first gear, the second gear, the third gear and the fifth gear are matched for use, so that the barrel body rotates, then the vertical rod is always attached to the corrugated ring to rotate under the action of gravity, the barrel body rotates and moves up and down, further the brush synchronously rotates and moves up and down, further the gear body is effectively scrubbed, the rotating direction of the gear body is opposite to that of the brush, the cleaning effect of the brush on the gear body is effectively ensured, and the cleaning liquid in the circular groove can be effectively stirred, make the effectual impurity with on the gear body of washing liquid wash down, the convenient gear body that washs the variation in size of this device of Benguin of awkwardly sets up like this.
Drawings
FIG. 1 is a schematic representation of the structure of the present invention;
in the figure: the device comprises a bottom plate 1, a first gear 2, a second gear 3, a rotating shaft 4, a motor 5, a fixed block 6, a baffle ring 7, a cylinder 8, a corrugated ring 9, a third gear 10, a first threaded rod 11, a guide rod 12, a baffle ring 13, a top plate 14, a guide pipe 15, a threaded cylinder 16, a second threaded rod 17, a brush 18, a key 19, a conical box 20, a gear body 21, a cover body 22, a first through hole 23, an inserted rod 24, a water pump 25, a support leg 26, a first ball 27, a fourth gear 28, a support rod 29, a rotating ring 30, a circular groove 31, a second through hole 32, a second ball 33, a sliding groove 34, a vertical rod 35, a fifth gear 36, a conical groove 37, a hydraulic cylinder 38 and a lantern ring 39.
Detailed Description
The utility model is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in figure 1, the efficient cleaning device for the large mechanical gear comprises a bottom plate 1, wherein the top surface of the bottom plate 1 is fixedly connected with four support rods 29, the top surfaces of the four support rods 29 are fixedly connected with a same circular groove 31, a corrugated ring 9 is sleeved on the outer side wall of the top end of the circular groove 31 and is fixedly connected with the circular groove, the top surface of the circular groove 31 is provided with an annular sliding groove 34, a cylinder body 8 is arranged in the sliding groove 34 and is in fit rotary connection with the cylinder body, a plurality of second balls 33 are embedded in the bottom surface of the cylinder body 8 and are in rotary connection with the cylinder body, the second balls 33 are in fit connection with the inner bottom surface of the sliding groove 34, a fifth gear 36 is sleeved on the outer side wall of the cylinder body 8 and is fixedly connected with the cylinder body, a plurality of vertical rods 35 are fixedly connected with the bottom surface of the fifth gear 36, the bottom surface of the vertical rods 35 is in fit connection with the top surface of the corrugated ring 9, a hydraulic cylinder 38 is fixedly connected with the top surface of the bottom plate 1 on one side of the circular groove 31, the extension end of the hydraulic cylinder 38 is fixedly connected with a top plate 14, the bottom surface of the top plate 14 is fixedly connected with a cover body 22, the bottom end of the cover body 22 is provided with a plurality of second through holes 32, the middle part of the cover body 22 is rotatably connected with a threaded cylinder 16, the threaded cylinder 16 is sleeved with two lantern rings 39 and is fixedly connected with the threaded cylinder, the two lantern rings 39 are respectively attached to the inner bottom surface and the outer bottom surface of the cover body 22, the other side of the circular groove 31 is fixedly connected with a fixed block 6, the fixed block 6 is attached to a rotating shaft 4, the rotating shaft 4 is sleeved with two baffle rings 7 and is fixedly connected with the two baffle rings 7, the two baffle rings 7 are respectively attached to the top surface and the bottom surface of the fixed block 6, the bottom end of the rotating shaft 4 below the fixed block 6 is fixedly connected with a second gear 3, the top end of the rotating shaft 4 is fixedly connected with a third gear 10, and the third gear 10 is engaged with a fifth gear 36, a motor 5 is fixedly connected to one side of the bottom surface of the circular groove 31, a first gear 2 is fixedly connected to the output end of the motor 5, the first gear 2 is engaged with the second gear 3, a tapered groove 37 is arranged in the middle of the bottom end of the circular groove 31 and is in fit rotary connection with the tapered groove, a rotary ring 30 is fixedly connected to the outer side wall of the tapered groove 37, the rotary ring 30 is embedded into the circular groove 31 and is in fit rotary connection with the circular groove, a plurality of support legs 26 are fixedly connected to the bottom surface of the tapered groove 37 outside the circular groove 31, a first ball 27 is embedded into the bottom surface of each support leg 26 and is in fit rotary connection with the support leg, the bottom surface of the first ball 27 is in fit connection with the top surface of the bottom plate 1, a fourth gear 28 is fixedly connected to the tapered groove 37 outside the circular groove 31, the fourth gear 28 is engaged with the first gear 2, and a tapered box 20 is in fit connection with the top surface of the tapered groove 37 inside the circular groove 31, the bottom surface of the conical box body 20 is fixedly connected with a plurality of inserted bars 24, the inserted bars 24 extend into the top surface of the conical groove 37 and are in sliding connection with the top surface of the conical box body, a plurality of first through holes 23 are formed in the side wall of the conical box body 20, a key 19 is arranged on the outer side wall of the conical box body 20, a gear body 21 is sleeved on the conical box body 20 and is in sliding connection with the conical box body, a key groove in the gear body 21 is sleeved on the key 19 and is in sliding connection with the key 19, a second threaded rod 17 is fixedly connected with the top surface of the conical box body 20, the top end of the second threaded rod 17 extends into the threaded cylinder 16 and is in threaded connection with the threaded cylinder, a through hole is formed in the middle of the second threaded rod 17 and is communicated with the cover body 22, a water pump 25 is fixedly connected with the inner bottom surface of the conical groove 37, an output end of the water pump 25 is fixedly connected with a guide pipe 15, and the top end of the guide pipe 15 penetrates through the top end of the conical box body 20 and extends into the through hole in the middle of the second threaded rod 17, pipe 15 and toper box 20 and the equal laminating sliding connection of second threaded rod 17, the symmetry is equipped with two brushes 18 in the circular slot 31, brush hair and the laminating of gear body 21 on the brush 18, a branch one side fixedly connected with guide bar 12 on the brush 18, 8 lateral walls of barrel and rather than laminating sliding connection are passed to guide bar 12 one end, threaded connection has a first threaded rod 11 on the barrel 8 of guide bar 12 below, the one end fixedly connected with hand (hold) of first threaded rod 11, the other end of first threaded rod 11 passes branch on the brush 18 and rather than laminating swivelling joint, two retaining rings 13 of the other end fixedly connected with of first threaded rod 11 to its two retaining rings 13 are connected with the laminating of the branch both sides on the brush 18 respectively.
The motor 5 and the water pump 25 are both electrically connected with an external power supply.
The hydraulic cylinder 38 is in communication with the hydraulic station via a conduit.
The bottom surface of the bottom plate 1 is fixedly connected with an anti-skid pad.
The working principle is as follows: when in use, as shown in the state of figure 1, cleaning liquid is added into the circular groove 31, the cleaning liquid in the circular groove 31 enters the conical groove 37 through the first through hole 23, a drain pipe is arranged on one side of the conical groove 37, the motor 5 and the water pump 25 are started to synchronously operate, the cleaning liquid in the conical groove 37 is conveyed into the cover body 22 through the conduit 15 and the second threaded rod 17 during the operation of the water pump 25, then the cleaning liquid is sprayed out through the second through hole 32 to wash the gear body 21 below the cleaning liquid, meanwhile, the first gear 2 is meshed with the fourth gear 28 during the operation of the motor 5, so that the conical groove 37, the inserted rod 24 and the conical box body 20 rotate, the conical box body 20 synchronously rotates under the arrangement of the key 19, and the first gear 2 is meshed with the second gear 3 synchronously, the rotating shaft 4 is enabled to rotate, and then the third gear 10 is meshed with the fifth gear 36 to enable the cylinder 8 to rotate, in the rotating process of the cylinder 8, under the action of gravity, the vertical rod 35 is always attached to the corrugated ring 9 to rotate, so that the cylinder 8 rotates and moves up and down, the cylinder 8 further drives the brush 18 to rotate synchronously and move up and down, and further the gear body 21 is effectively scrubbed, the rotating direction of the gear body 21 is opposite to that of the brush 18, the cleaning effect of the brush 18 on the gear body 21 is effectively ensured, and the cleaning liquid in the circular groove 31 can be effectively stirred, so that the cleaning liquid can effectively wash impurities on the gear body 21, the device is arranged and is convenient for cleaning gear bodies 21 with different sizes, and according to the size of gear body 21, through first threaded rod 11 and guide bar 12 setting, the effectual position of adjusting brush 18 for brush 18 is effectual to contact with gear body 21, after gear body 21 washs and accomplishes, through the operation of pneumatic cylinder 38, make roof 14, the cover body 22, the screw cylinder 16, second threaded rod 17, toper box 20 and gear body 21 rise, until toper box 20 stretches out outside barrel 8, then the staff can unscrew second threaded rod 17 from screw cylinder 16, and then can take off its gear body 21 from second threaded rod 17 and toper box 20, wash next gear body 21 with above-mentioned same principle again.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a high-efficient belt cleaning device of large-scale mechanical gear, includes bottom plate (1), its characterized in that: the top surface of the bottom plate (1) is fixedly connected with four supporting rods (29), the top surface of the four supporting rods (29) is fixedly connected with the same circular groove (31), the outer side wall at the top end of the circular groove (31) is sleeved with a corrugated ring (9) and fixedly connected with the corrugated ring, the top surface of the circular groove (31) is provided with an annular sliding groove (34), a barrel (8) is arranged in the sliding groove (34) and is in laminating rotary connection with the barrel, a plurality of second balls (33) are embedded into the bottom surface of the barrel (8) and are in rotary connection with the barrel, the second balls (33) are in laminating connection with the inner bottom surface of the sliding groove (34), the outer side wall of the barrel (8) is sleeved with a fifth gear (36) and is fixedly connected with the fifth gear, the bottom surface of the fifth gear (36) is fixedly connected with a plurality of vertical rods (35), and the bottom surface of the vertical rods (35) is in laminating connection with the top surface of the corrugated ring (9), the bottom plate (1) top surface fixedly connected with pneumatic cylinder (38) of circular slot (31) one side, the extension end fixedly connected with roof (14) of pneumatic cylinder (38), the bottom surface fixedly connected with cover body (22) of roof (14), the bottom of cover body (22) is equipped with a plurality of second through-holes (32), the middle part swivelling joint of cover body (22) has a screw thread section of thick bamboo (16), the cover has two lantern rings (39) and rather than fixed connection on screw thread section of thick bamboo (16), two lantern rings (39) respectively with the interior bottom surface and the laminating of outer bottom surface of cover body (22) be connected, the opposite side fixedly connected with fixed block (6) of circular slot (31), laminating swivelling joint has pivot (4) on fixed block (6), the cover has two fender rings (7) and rather than fixed connection on pivot (4), two fender rings (7) respectively with the top surface and the laminating of fixed block (6) are connected, the bottom end of the rotating shaft (4) below the fixed block (6) is fixedly connected with a second gear (3), the top end of the rotating shaft (4) is fixedly connected with a third gear (10), the third gear (10) is meshed with a fifth gear (36), one side of the bottom surface of the circular groove (31) is fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with a first gear (2), the first gear (2) is meshed with the second gear (3), the middle part of the bottom end of the circular groove (31) is provided with a conical groove (37) and is jointed and rotationally connected with the conical groove, the outer side wall of the conical groove (37) is fixedly connected with a rotating ring (30), the rotating ring (30) is embedded into the circular groove (31) and is jointed and rotationally connected with the circular groove, and the bottom surface of the conical groove (37) outside the circular groove (31) is fixedly connected with a plurality of supporting legs (26), the bottom surface of every landing leg (26) all imbeds first ball (27) and rather than laminating swivelling joint, the bottom surface and the laminating of bottom plate (1) top surface of first ball (27) are connected, fixedly connected with fourth gear (28) on conical groove (37) outside circular groove (31), fourth gear (28) are connected with first gear (2) meshing, conical groove (37) top surface laminating in circular groove (31) is connected with toper box (20), many inserted bars (24) of bottom surface fixedly connected with of toper box (20), inserted bar (24) stretch into in conical groove (37) top surface and rather than laminating sliding connection, be equipped with a plurality of first through-holes (23) on toper box (20) lateral wall, be equipped with key (19) on toper box (20) the cover have gear body (21) and rather than laminating connection, the key groove sleeve on the gear body (21) is arranged on the key (19) and is in fit sliding connection with the key, the top surface of the conical box body (20) is fixedly connected with a second threaded rod (17), the top end of the second threaded rod (17) extends into the threaded cylinder (16) and is in threaded connection with the threaded cylinder, the middle part of the second threaded rod (17) is provided with a through hole and is communicated with a cover body (22) of the through hole, the inner bottom surface of the conical groove (37) is fixedly connected with a water pump (25), the output end of the water pump (25) is fixedly connected with a guide pipe (15), the top end of the guide pipe (15) penetrates through the top end of the conical box body (20) and extends into the through hole in the middle part of the second threaded rod (17), the guide pipe (15) is in fit sliding connection with the conical box body (20) and the second threaded rod (17), two brushes (18) are symmetrically arranged in the circular groove (31), and bristles on the brushes (18) are fit with the gear body (21), guide bar (12) of branch one side fixedly connected with on brush (18), barrel (8) lateral wall is passed and rather than laminating sliding connection to guide bar (12) one end, threaded connection has a first threaded rod (11) on barrel (8) of guide bar (12) below, the one end fixedly connected with hand (hold) of first threaded rod (11), the other end of first threaded rod (11) passes branch on brush (18) and rather than laminating swivelling joint, two retaining rings (13) of other end fixedly connected with of first threaded rod (11) to its two retaining rings (13) are connected with the laminating of the branch both sides on brush (18) respectively.
2. The efficient cleaning device for the large mechanical gear according to claim 1, characterized in that: the motor (5) and the water pump (25) are electrically connected with an external power supply.
3. The efficient cleaning device for the large mechanical gear according to claim 1, characterized in that: the hydraulic cylinder (38) is communicated with the hydraulic station through a pipeline.
4. The efficient cleaning device for the large mechanical gear according to claim 1, characterized in that: the bottom surface of the bottom plate (1) is fixedly connected with an anti-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122186117.1U CN216225704U (en) | 2021-09-10 | 2021-09-10 | High-efficient belt cleaning device of large-scale mechanical gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122186117.1U CN216225704U (en) | 2021-09-10 | 2021-09-10 | High-efficient belt cleaning device of large-scale mechanical gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216225704U true CN216225704U (en) | 2022-04-08 |
Family
ID=80983464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122186117.1U Expired - Fee Related CN216225704U (en) | 2021-09-10 | 2021-09-10 | High-efficient belt cleaning device of large-scale mechanical gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216225704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921392A (en) * | 2022-12-07 | 2023-04-07 | 南京信息工程大学 | Gear cleaning device and gear cleaning method |
-
2021
- 2021-09-10 CN CN202122186117.1U patent/CN216225704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921392A (en) * | 2022-12-07 | 2023-04-07 | 南京信息工程大学 | Gear cleaning device and gear cleaning method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |