CN104565312A - Speed reducer of chain-slat conveyer - Google Patents
Speed reducer of chain-slat conveyer Download PDFInfo
- Publication number
- CN104565312A CN104565312A CN201510042111.3A CN201510042111A CN104565312A CN 104565312 A CN104565312 A CN 104565312A CN 201510042111 A CN201510042111 A CN 201510042111A CN 104565312 A CN104565312 A CN 104565312A
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- Prior art keywords
- gear
- shaft
- screw
- bearing
- front case
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
The invention discloses a speed reducer of a chain-slat conveyer and belongs to the field of mechanical transmission. A power motor is used for providing power input, a friction cone transmits torque to an input shaft of the speed reducer, a shaft of the motor is in key connection with the friction cone, the motor in rotation drives the friction cone to rotate, the friction cone contacts with a friction disc, and then the torque is transmitted to the friction disc. The friction disc is connected with the input shaft through a key, a gear shaft I meshes with a gear to transmit the torque to the gear coaxial to a gear shaft II, the gear shaft II meshes with another gear to transmit the torque to the another gear which is connected with an output shaft through a key, and the output shaft is connected with a half-coupling through a key to transmit the torque out. First speed reduction is achieved by adjustment of contact between the friction cone and the friction disc according to a center distance, second speed reduction is achieved according to that tooth number of the gear shaft I is less than that of the gear, and third speed reduction is achieved according to that tooth number of the gear shaft II is less than that of the another gear. Output rotating speed of the speed reducer of the chain-slat conveyer ranges from 18rpm to 83rpm under specific production conditions, and stepless speed change can be adjusted.
Description
Technical field:
The invention belongs to technical field of mechanical transmission, be specifically related to a kind of chain mat machine speed reducer, be reduced to suitable output speed with the higher rotating speed exported by drive motor, thus reach the speed required for chain mat machine.
Background technique:
Chain mat machine is all widely used in other departments of Aeronautics and Astronautics, automobile, machine-building, metallurgy, coal, chemical industry and national economy.Usual application its as conveying material, the equipment of product.For different products, different production lines, the beat difference of requirement then needs chain mat machine to have different transporting velocities.The rotating speed of drive motor is high, for adapting to the different transfer rates just needs speed reducer of chain mat machine.
Summary of the invention:
The object of the present invention is to provide a kind of chain mat machine speed reducer.
For achieving the above object, the present invention adopts following technological scheme to be achieved:
A kind of chain mat machine speed reducer, comprises base, rear case, middle casing and front case; Wherein, rear case, middle casing and front case are fixedly mounted on base by the first screw from right to left successively;
Oil drain plug for draining the oil is arranged on the below of front case; Clutch shaft bearing is arranged on below front case in order to support output shaft; Gland is arranged on below front case, is fixed on front case with the second screw, in order to withstand clutch shaft bearing and to push down oil sealing; Output shaft is close to by oil sealing, seals; First half-coupling is arranged on the end of output shaft, and with the first key connecting output movement and torque, the second half-coupling connects with the first half-coupling, in the clutch shaft bearing that output shaft is arranged on front case and middle casing and the second bearing; First gear is arranged on output shaft, and uses the second key connecting; Spacer is arranged between right-hand member first gear of output shaft and the second bearing, is used for location first gear; Gear shaft II two ends are arranged in the second bearing, and are meshed with the first gear; Second gear is arranged on gear shaft II, by the 3rd key connecting; Spacer ring is arranged on gear shaft II, between the second bearing and the second gear, separates both; Gear shaft I to be arranged in the 3rd bearing and with the second gears meshing; Baffle ring is arranged on the 3rd bearing left end, blocks the 3rd bearing inner race; 3rd screw is arranged in the hole above front case, and in order to connect front case and middle casing, pin is for locating the relative position of front case and middle casing, and oil filler plug is arranged on above front case; Positioning adapter is arranged on effect input shaft playing location input shaft; Input shaft is arranged in the 4th bearing; Lubricating cup is arranged on above rear case, and lubrication ring is below lubricating cup, and from then on position lubricating oil filling, to the 4th bearing and input shaft lubrication; Spring fitting withstands jacking block in input shaft; 4th screw and the 5th screw are in order to connect rear case and middle casing; Oil sealing is arranged on input shaft, plays seal action; Dish seat is arranged on the right-hand member of input shaft, is connected with input shaft by quadruple linkage; Friction disk is arranged on dish seat and fixes with the 6th screw, blocks jacking block in the hole that block is arranged on input shaft, blocks block in the hole that the first back-up ring is arranged on input shaft; Friction cone is close to friction disk and is arranged on the output shaft of motor, by the 5th key connecting, produces frictional force realize transmitting torque by rotating with friction disk; Second back-up ring is arranged in the hole of friction cone, block is arranged between the second back-up ring and the output shaft end of motor, block the 5th key, housing is arranged on the right side of rear case, be fixedly connected with the 7th screw, swash plate, in order to fixed electrical machinery, is arranged on the right side of housing, and the 8th screw and pad are in order to be connected motor with swash plate.
The present invention further improves and is: also comprise cover plate, and it is fixed on housing by the 9th screw, and cover plate is provided with viewing window can see enclosure interior note fuel head, and sealing gasket is arranged between cover plate and housing, plays seal action.
The present invention further improves and is: also comprise dial, and its one end is fixed on housing by the tenth screw, and its other end passes through the 11 screw fastening on housing.
The present invention further improves and is: be arranged on the gear shaft on housing, it engages with the tooth on swash plate, and for regulating the upper-lower height of motor, the 12 screw is arranged on dial cover, for fixing dial cover, swivel nut is arranged on the installation for the 11 screw in dial.
Compared with prior art, the present invention adapts to specific PRODUCTION STATUS, and output speed is between 18-83rpm, and adjustable stepless change.
Wherein, friction cone contacts with friction disk, to produce frictional force realize transmitting torque by rotating with friction disk.Utilize revolute pair tribology principle and plane annular speed adjusting technique, inclination angle can meet the enough frictional power (moment of torsion) of generation.Electrodeless operation speed governing can be realized adjusting up and down in motor (friction cone mechanism) process again.
Gear shaft and input shaft are connected by V-type mechanism and form it simultaneously with the part such as jacking block, spring, block, dish seat and friction disk and act as to flexibly connect and play transmitting torque effect simultaneously; Buffering and overload adjustment protection are played to body; Power transmission and decelerating effect.
Structure is simple, compact, has enough rigidity, working stability, at the bottom of manufacture cost.
Control simple, reduction speed ratio is large, inputs very small-power and exports very large moment of torsion, operation, simply easy to maintenance, at the bottom of rate of fault.
Adopt meshed transmission gear, and Surface hardened layer, therefore stable movement, gear operation vibration is little, and noise is low, wear-resistant.
Good lubrication, reduces the wearing and tearing of gear, bearing, effectively reduces temperature simultaneously.
Accompanying drawing illustrates:
Fig. 1 is the plan view of a kind of chain mat machine speed reducer of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is that the B-B of Fig. 2 is to sectional view;
Fig. 4 is the F direction view of Fig. 3;
Fig. 5 is the G direction view of Fig. 1.
In figure: 1 is base; 2 is the first screw; 3 is rear case; 4 is middle casing; 5 is front case; 6 for using oil drain plug; 7 is clutch shaft bearing; 8 is the second screw; 9 is oil sealing; 10 is gland; 11 is the first half-coupling; 12 is the first key; 13 is the second half-coupling; 14 is output shaft; 15 is the second key; 16 is the first gear; 17 is spacer; 18 is the second bearing; 19 is the second gear; 20 is triple bond; 21 is spacer ring; 22 is gear shaft II; 23 is gear shaft I; 24 is baffle ring; 25 is the 3rd screw; 26 is pin; 27 is the 3rd bearing; 28 is oil filler plug; 29 is positioning adapter; 30 is input shaft; 31 is the 4th bearing; 32 is lubrication ring; 33 is lubricating cup; 34 is spring; 35 is the 4th screw; 36 is the 5th screw; 37 is oil sealing; 38 is jacking block; 39 is dish seat; 40 is friction disk; 41 is the 6th screw; 42 is quadruple linkage; 43 is block; 44 is the first back-up ring; 45 is friction cone; 46 is block; 47 is the 7th screw; 48 is the second back-up ring; 49 is housing; 50 is swash plate; 51 is the 5th key; 52 is the 8th screw; 53 is pad; 54 is motor; 55 is cover plate; 56 is the 9th screw; 57 is viewing window; 58 is sealing gasket; 59 is the tenth screw; 60 is the 11 screw; 61 is gear shaft; 62 is fixing dial cover; 63 is the 12 screw; 64 is swivel nut; 65 is dial.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See Fig. 1 and Fig. 2, a kind of chain mat machine speed reducer of the present invention, comprises base 1, rear case 3, middle casing 4 and front case 5; Wherein, base 1 is arranged on bottom, plays a supportive role; Rear case 3, middle casing 4 and front case 5 first screw 2 is fixedly mounted on base 1; Oil drain plug 6 is arranged on the below of front case 5, is used for draining the oil; Clutch shaft bearing 7 is arranged on front case 5 below in order to support output shaft 14; Gland 10 is arranged on below front case 5, is fixed on front case 5 with the second screw 8, in order to withstand clutch shaft bearing 7 and to push down oil sealing 9; Output shaft 14 is close to by oil sealing 9, seals; First half-coupling 11 is arranged on the end of output shaft 14, connects output movement and torque with the first key 12, and the second half-coupling 13 connects with the first half-coupling 11, in the clutch shaft bearing 7 that output shaft 14 is arranged on front case 5 and middle casing 4 and the second bearing 18; First gear 16 is installed on the output shaft 14, connects with the second key 15; Spacer 17 is arranged between right-hand member first gear 16 of output shaft 14 and the second bearing 18, is used for location first gear 16; Gear shaft II 22 two ends are arranged in the second bearing 18, and are meshed with the second gear 16; Second gear 19 is arranged on gear shaft II 22, is connected by triple bond 20; Spacer ring 21 is arranged on gear shaft II 22, between the second bearing 18 and the second gear 19, separates both; Gear shaft I 23 to be arranged in the 3rd bearing 27 and to engage with the second gear 19; Baffle ring 24 is arranged on the 3rd bearing 27 left end, blocks the 3rd bearing 27 inner ring; 3rd screw 25 is arranged in the hole above front case 5, and in order to connect front case 5 and middle casing 4, pin 26 is for locating the relative position of front case 5 and middle casing 4, and oil filler plug 28 is arranged on above front case 5; Positioning adapter 29 is arranged on effect input shaft 30 playing location input shaft 30; Input shaft 30 is arranged in the 4th bearing 31; Lubricating cup 33 is arranged on above rear case 3, and lubrication ring 32 is below lubricating cup 33, and from then on position can lubricating oil filling, lubricates the 4th bearing 31 and input shaft 30; Spring 34 is arranged in input shaft 30 and withstands jacking block 38; 4th screw 35 and the 5th screw 36 are in order to connect rear case 3 and middle casing 4; Oil sealing 37 is arranged on input shaft 30, plays seal action; Dish seat 39 is arranged on the right-hand member of input shaft 30, is connected with input shaft 30 by quadruple linkage 42; Friction disk 40 is arranged on dish seat 39 fixing with the 6th screw 41, and block 43 is arranged in the hole of input shaft 30, blocks jacking block 38, blocks block 43 in the hole that the first back-up ring 44 is arranged on input shaft 30; Friction cone 45 is close to friction disk 40 and is arranged on the output shaft 14 of motor, connected by the 5th key 51, produces frictional force realize transmitting torque by rotating with friction disk 40; Second back-up ring 48 is arranged in the hole of friction cone 45, block 46 is arranged between the second back-up ring 48 and motor output shaft end, block the 5th key 51, housing 49 is arranged on the right side of rear case 3, be fixedly connected with the 7th screw 47, swash plate 50, in order to fixed electrical machinery 54, is arranged on the right side of housing 49, and the 8th screw 52 and pad 53 are connected with swash plate 50 in order to fixing group of motor.
Be arranged on side see Fig. 5, Fig. 5 cover plate 55, be fixed on housing 49 with the 9th screw 56, cover plate 55 is provided with viewing window 57 can see housing 49 inside note fuel head, and sealing gasket 58 is arranged between cover plate 55 and housing 49, plays seal action.
See the tenth screw 59 in Fig. 4, Fig. 4, one end of dial 65 is fixed on housing 49, the other end of the fastening dial of the 11 screw 60.
Be arranged on housing 49 see Fig. 3, Fig. 3 middle gear axle 61, engage with the tooth on swash plate 50, the upper-lower height of motor 54 can be regulated, 12 screw 63 is arranged on dial cover 62, and fixing group dial cover 62, swivel nut 64 is arranged on the installation for the 11 screw 60 in dial 65.
In order to understand further the present invention, now an explanation is done to its working procedure.
See Fig. 1 and Fig. 2, a kind of chain mat machine speed reducer of the present invention, power motor 54 provides power to input, adopt friction cone 45 by transmission of torque to the input shaft 30 of speed reducer, the axle of motor 54 is connected by the 5th key 51 and is connected with friction cone 45, the rotation rotarily driving friction cone 45 of motor 54, friction cone 45 contacts with friction disk 40, like this by transmission of torque to friction disk 40, friction disk 40 is connected with input shaft 30 by quadruple linkage 42, gear shaft I 23 engages with the second gear 19, the second gear 19 is given by transmission of torque, second gear 19 is coaxial with gear shaft II 22, gear shaft II 22 engages with the first gear 16, the first gear 16 is given by transmission of torque, first gear 16 is connected with output shaft 14 by the second key 15, output shaft 14 is connected with the second half-coupling 13 by the first key 12, transmission of torque is gone out.Friction cone 45 contacts with friction disk 40 and realizes slowing down for the first time according to the adjustment of centre distance, and the number of teeth of gear shaft I 23 is less than the number of teeth of the second gear 19, and this is that second time is slowed down, and gear shaft II 22 number of teeth is less than the number of teeth of the first gear 16, and this slows down third time.
Claims (4)
1. a chain mat machine speed reducer, is characterized in that: comprise base (1), rear case (3), middle casing (4) and front case (5); Wherein, rear case (3), middle casing (4) and front case (5) are fixedly mounted on base (1) by the first screw (2) from right to left successively;
Oil drain plug (6) for draining the oil is arranged on the below of front case (5); Clutch shaft bearing (7) is arranged on front case (5) below in order to support output shaft (14); Gland (10) is arranged on below front case (5), is fixed on front case (5) with the second screw (8), in order to withstand clutch shaft bearing (7) and to push down oil sealing (9); Output shaft (14) is close to by oil sealing (9), seals; First half-coupling (11) is arranged on the end of output shaft (14), output movement and torque is connected with the first key (12), second half-coupling (13) connects with the first half-coupling (11), in the clutch shaft bearing (7) that output shaft (14) is arranged on front case (5) and middle casing (4) and the second bearing (18); First gear (16) is arranged on output shaft (14), and connects with the second key (15); Spacer (17) is arranged between right-hand member first gear (16) of output shaft (14) and the second bearing (18), is used for location first gear (16); Gear shaft II (22) two ends are arranged in the second bearing (18), and are meshed with the first gear (16); Second gear (19) is arranged on gear shaft II (22), is connected by triple bond (20); Spacer ring (21) is arranged on gear shaft II (22), between the second bearing (18) and the second gear (19), separates both; Gear shaft I (23) to be arranged in the 3rd bearing (27) and to engage with the second gear (19); Baffle ring (24) is arranged on the 3rd bearing (27) left end, blocks the 3rd bearing (27) inner ring; 3rd screw (25) is arranged in the hole of front case (5) top, in order to connect front case (5) and middle casing (4), pin (26) is for locating the relative position of front case (5) and middle casing (4), and oil filler plug (28) is arranged on above front case (5); Positioning adapter (29) is arranged on effect input shaft (30) playing location input shaft (30); Input shaft (30) is arranged in the 4th bearing (31); Lubricating cup (33) is arranged on above rear case (3), and lubrication ring (32) is in lubricating cup (33) below, and from then on position lubricating oil filling, to the 4th bearing (31) and input shaft (30) lubrication; Spring (34) is arranged in input shaft (30) and withstands jacking block (38); 4th screw (35) and the 5th screw (36) are in order to connect rear case (3) and middle casing (4); Oil sealing (37) is arranged on input shaft (30), plays seal action; Dish seat (39) is arranged on the right-hand member of input shaft (30), is connected with input shaft (30) by quadruple linkage (42); Friction disk (40) is arranged on upper 6th screw (41) of dish seat (39) and fixes, block jacking block (38) in the hole that block (43) is arranged on input shaft (30), in the hole that the first back-up ring (44) is arranged on input shaft (30), block block (43); Friction cone (45) is close to friction disk (40) and is arranged on the output shaft (14) of motor (54), connected by the 5th key (51), produce frictional force with friction disk (40) realize transmitting torque by rotating; Second back-up ring (48) is arranged in the hole of friction cone (45), block (46) is arranged between the output shaft end of the second back-up ring (48) and motor (54), block the 5th key (51), housing (49) is arranged on the right side of rear case (3), be fixedly connected with the 7th screw (47), swash plate (50) is in order to fixed electrical machinery (54), be arranged on the right side of housing (49), the 8th screw (52) and pad (53) are in order to be connected motor (54) with swash plate (50).
2. a kind of chain mat machine speed reducer according to claim 1, it is characterized in that: also comprise cover plate (55), it is fixed on housing (49) by the 9th screw (56), cover plate (55) is provided with viewing window (57) can see housing (49) inside note fuel head, sealing gasket (58) is arranged between cover plate (55) and housing (49), plays seal action.
3. a kind of chain mat machine speed reducer according to claim 2, it is characterized in that: also comprise dial (65), its one end is fixed on housing (49) by the tenth screw (59), and its other end is fastened on housing (49) by the 11 screw (60).
4. a kind of chain mat machine speed reducer according to claim 3, it is characterized in that: be arranged on the gear shaft (61) on housing (49), it engages with the tooth on swash plate (50), for regulating the upper-lower height of motor (54), 12 screw (63) is arranged on dial cover (62), for fixing dial cover (62), swivel nut (64) is arranged on the installation for the 11 screw (60) in dial (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042111.3A CN104565312B (en) | 2015-01-27 | 2015-01-27 | Speed reducer of chain-slat conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042111.3A CN104565312B (en) | 2015-01-27 | 2015-01-27 | Speed reducer of chain-slat conveyer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104565312A true CN104565312A (en) | 2015-04-29 |
| CN104565312B CN104565312B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042111.3A Active CN104565312B (en) | 2015-01-27 | 2015-01-27 | Speed reducer of chain-slat conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104565312B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939951A (en) * | 2017-12-15 | 2018-04-20 | 浙江比洛德传动技术有限公司 | A kind of reducer arrangement for automobile |
| CN109630638A (en) * | 2018-12-19 | 2019-04-16 | 陕西科技大学 | A kind of air preheater speed reducer mechanical device |
| CN111981128A (en) * | 2020-08-28 | 2020-11-24 | 温州职业技术学院 | Speed reducer shaft sealing device for conveying materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029532A (en) * | 1997-01-31 | 2000-02-29 | Reliance Electric Industrial Company | Gearing commonality system for gear reducers |
| CN1534213A (en) * | 2003-03-31 | 2004-10-06 | 住友重机械工业株式会社 | Right-angle gear speed reducer |
| RU2375622C1 (en) * | 2008-07-10 | 2009-12-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Gear reducer |
| CN201786998U (en) * | 2010-07-02 | 2011-04-06 | 杭州奋进齿轮箱有限公司 | Marine gear case with intermediate gear shaft mechanism |
| CN202914637U (en) * | 2012-11-07 | 2013-05-01 | 淄博山博安吉富齿轮电机有限公司 | Reducer special for vacuum extruder |
| CN203962873U (en) * | 2014-07-24 | 2014-11-26 | 天津海润移山科技发展有限公司 | Bulldozer driving mechanism |
-
2015
- 2015-01-27 CN CN201510042111.3A patent/CN104565312B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029532A (en) * | 1997-01-31 | 2000-02-29 | Reliance Electric Industrial Company | Gearing commonality system for gear reducers |
| CN1534213A (en) * | 2003-03-31 | 2004-10-06 | 住友重机械工业株式会社 | Right-angle gear speed reducer |
| RU2375622C1 (en) * | 2008-07-10 | 2009-12-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Gear reducer |
| CN201786998U (en) * | 2010-07-02 | 2011-04-06 | 杭州奋进齿轮箱有限公司 | Marine gear case with intermediate gear shaft mechanism |
| CN202914637U (en) * | 2012-11-07 | 2013-05-01 | 淄博山博安吉富齿轮电机有限公司 | Reducer special for vacuum extruder |
| CN203962873U (en) * | 2014-07-24 | 2014-11-26 | 天津海润移山科技发展有限公司 | Bulldozer driving mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939951A (en) * | 2017-12-15 | 2018-04-20 | 浙江比洛德传动技术有限公司 | A kind of reducer arrangement for automobile |
| CN109630638A (en) * | 2018-12-19 | 2019-04-16 | 陕西科技大学 | A kind of air preheater speed reducer mechanical device |
| CN111981128A (en) * | 2020-08-28 | 2020-11-24 | 温州职业技术学院 | Speed reducer shaft sealing device for conveying materials |
| CN111981128B (en) * | 2020-08-28 | 2022-03-29 | 温州职业技术学院 | Speed reducer shaft sealing device for conveying materials |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104565312B (en) | 2017-02-22 |
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Effective date of registration: 20191224 Address after: 710000 2204, block D, Changhe international, Mingguang Road, economic development zone, Xi'an City, Shaanxi Province Patentee after: Shaanxi Juxiang electromechanical equipment Engineering Co., Ltd Address before: 710021 Shaanxi province Xi'an Weiyang University Park No. 1 Patentee before: Shaanxi University of Science and Technology |