CN110449859B - Efficient spiral retainer ring mounting device and using method - Google Patents
Efficient spiral retainer ring mounting device and using method Download PDFInfo
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- CN110449859B CN110449859B CN201910683755.9A CN201910683755A CN110449859B CN 110449859 B CN110449859 B CN 110449859B CN 201910683755 A CN201910683755 A CN 201910683755A CN 110449859 B CN110449859 B CN 110449859B
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- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
The invention relates to a high-efficiency spiral retainer ring mounting device which comprises a fixed base, a pressing plate, a tray, a lifting driving mechanism, a guide seat, a pressing mechanism, a bearing keel and a control circuit, wherein the fixed base is of a columnar structure with the axis vertical to the horizontal plane, positioning holes are formed in the positioning base, the bearing keel is mutually connected with the upper end face of the fixed base, the side surfaces of the pressing plate and the tray are respectively in sliding connection with the inner side face of the bearing keel through the lifting driving mechanism, the guide seat is embedded in the tray, the pressing mechanism is connected with the upper end face of the bearing keel and is coaxially distributed with the guide seat, and the control circuit is embedded in the outer surface of the bearing keel and is respectively and electrically connected with the. The using method comprises the three steps of workpiece positioning, spiral retainer ring pressing-in, equipment resetting and the like. The invention can effectively meet the requirements of pressing in processing operation of spiral retainer rings of planetary speed reducers with different structural types, thereby greatly improving the universality of the equipment.
Description
Technical Field
The invention relates to an efficient spiral retainer ring mounting device and a using method thereof, belonging to the technical field of planetary speed reducers.
Background
At present, the planetary reducer is increasingly used in industries such as textile, mine, robot, laser and the like in the mechanical transmission industry with the advantages of small size, high precision, wide speed reduction range and the like, and is mainly used for reducing the rotating speed and increasing the torque. In planetary reducer production process, the spiral retaining ring is a fixed type part that is used for very wide, but many parts make the installation of spiral retaining ring very inconvenient because structural constraint, have restricted the production efficiency of enterprise, and to this problem, often all need carry out manual operation of impressing through the staff with the help of manual tool at present, though can satisfy the needs of production, but production efficiency is low, and the spiral retaining ring operation precision of impressing is poor, and very easily lead to spiral retaining ring and planet wheel equipment structure impaired.
Therefore, in view of the current situation, it is urgently needed to develop an efficient spiral retainer ring installation device and a using method thereof so as to meet the requirements of practical use.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the high-efficiency spiral retainer ring mounting device and the use method thereof, which can effectively meet the requirements of pressing-in machining operation of the spiral retainer rings of the planetary speed reducers with different structural types, thereby greatly improving the universality of the device and improving the working efficiency and the precision of the pressing-in operation of the spiral retainer rings.
In order to achieve the above-mentioned effect, a high-efficiency spiral retainer ring installation apparatus is proposed, which includes the following:
a high-efficiency spiral retainer ring installation device comprises a fixed base, a pressing plate, a tray, a lifting driving mechanism, a guide seat, a pressing mechanism, a bearing keel and a control circuit, wherein the fixed base is of a columnar structure with the axis vertical to the horizontal plane, positioning holes are formed in the positioning base, the positioning holes and the fixed base are coaxially distributed, the bearing keel is of a frame structure coaxially distributed with the positioning base and is mutually connected with the upper end face of the fixed base, the pressing plate and the tray are both embedded in the bearing keel and are of annular structures coaxially distributed with the positioning holes, the side surfaces of the pressing plate and the tray are both in sliding connection with the inner side face of the bearing keel through the lifting driving mechanism, the tray is positioned right above the pressing plate, the guide seat is of a hollow tubular structure and is embedded in the tray and coaxially distributed with the tray, the upper end face and the lower end face of the guide seat exceed the upper end face and the lower end face of the tray by at least 5 mm, and, the pressing mechanism is connected with the upper end face of the bearing keel and is coaxially distributed with the guide seat, the pressing mechanism comprises a pressing driving device, a guide rod and a pressing sleeve, wherein the pressing driving device is connected with the upper end face of the bearing keel, the lower end face of the pressing driving device is embedded in the bearing keel and is connected with the pressing sleeve through the guide rod, the pressing sleeve is coaxially distributed with the guide rod and the guide seat respectively, the outer diameter of the pressing sleeve is 0-5 mm smaller than the inner diameter of the guide seat, and the control circuit is embedded in the outer surface of the bearing keel and is electrically connected with the lifting driving mechanism and the pressing mechanism respectively.
Furthermore, the cross sections of the positioning hole and the bearing keel of the fixing base are any one of circular, U-shaped and C-shaped, and when the cross sections of the positioning hole and the bearing keel are any one of U-shaped and C-shaped, the side surfaces of the fixing base and the bearing keel corresponding to the positioning hole are provided with operation openings.
Furthermore, at least three positioning clamps are uniformly distributed on the inner surface of the positioning hole, are uniformly distributed around the axis of the positioning hole and are electrically connected with the control circuit.
Furthermore, the side surfaces of the pressing plate and the tray are connected with each other in a sliding mode through at least two sliding rails between the inner surfaces of the bearing keels, the sliding rails are evenly distributed around the axis of the bearing keels, a lifting driving mechanism is embedded in each guiding sliding rail, a displacement sensor is additionally arranged on each guiding sliding rail, and the displacement sensors are respectively connected with the side surfaces of the pressing plate and the tray and electrically connected with a control circuit.
Furthermore, the pressing driving device of the lifting driving mechanism and the pressing mechanism is any one of a hydraulic cylinder, a pneumatic cylinder, an electric telescopic rod, a screw rod mechanism, a gear rack mechanism and a worm and gear mechanism.
Furthermore, at least one pressure sensor is arranged at the connecting position of the lifting driving mechanism, the pressure plate, the tray, the guiding rod of the pressing mechanism and the pressing sleeve, and the pressure sensors are respectively and electrically connected with the control circuit.
Furthermore, the press-in sleeve is a hollow tubular structure with a rectangular axial section and a tubular structure with any one of a U-shaped structure and a seam-shaped structure with an axial section.
Furthermore, a plurality of universal balls are uniformly distributed on the outer surface of the press-in sleeve, the universal balls are uniformly distributed around the axis of the press-in sleeve, the front end face of each universal ball is at least 1 mm higher than the outer side face of the press-in sleeve, and when the press-in sleeve is in a standby state, the lower end face of the press-in sleeve is at least 20 mm higher than the upper end face of the guide seat; when the pressing-in sleeve is in a working state, the pressing-in sleeve is embedded in the guide seat and is in sliding connection with the inner side surface of the guide seat through the universal ball, and the distance between the lower end surface of the pressing-in sleeve and the lower end surface of the guide seat is 1/3 from 0 to the effective height of the guide seat.
Furthermore, the control circuit is a circuit system based on any one of an industrial single chip microcomputer and programmable control, and is additionally provided with an operation key, a display and a data communication interface, wherein the operation key, the display and the data communication interface are all embedded in the outer surface of the bearing keel.
A use method of an efficient spiral retainer ring installation device comprises the following steps:
s1, positioning a workpiece, namely, fixedly mounting a planet wheel workpiece on a fixed base through a positioning hole and coaxially distributing the planet wheel workpiece with the fixed base, then driving a pressing plate to move downwards through a lifting driving mechanism and carrying out auxiliary pressing and positioning on the upper section of the planet wheel workpiece, then embedding an effective spiral retainer ring to be assembled into the lower end face of a guide seat and coaxially distributing the effective spiral retainer ring with the guide seat and the planet wheel workpiece, and then finishing workpiece positioning for later use;
s2, pressing the spiral retainer ring, after the step S1 is completed, firstly driving the tray to move downwards through the lifting driving mechanism to enable the lower end face of the guide seat to abut against the upper end face of the planet wheel workpiece, then driving a pressing-down driving device of the pressing-down mechanism to operate, driving the pressing-in sleeve to move downwards through the guide rod, embedding the front end face of the pressing-in sleeve into the guide seat and abutting against the upper end face of the spiral retainer ring in the downward process of the pressing-in sleeve, and then continuously moving downwards to press the spiral retainer ring from the guide seat to the specified working position of the planet wheel workpiece, so that the requirement of pressing-in operation of the spiral;
and S3, resetting the equipment, driving a pressing driving device of the pressing mechanism to operate, driving the pressing sleeve to move upwards and separate from the guide seat through the guide rod, driving the tray and the pressing plate to move upwards respectively through the lifting driving mechanism, and finally taking the planet wheel workpiece out of the positioning hole of the positioning base, thus returning to the step S1 for circular operation.
The device has compact structure, high operation automation degree and high operation precision, and can effectively meet the requirements of pressing-in processing operation of the spiral retainer rings of the planetary speed reducers with different structural types, thereby greatly improving the universality of the device and improving the working efficiency and precision of the pressing-in operation of the spiral retainer rings.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of a positioning hole with an operation opening;
FIG. 3 is a schematic cross-sectional view of the bearing keel with an operation opening;
FIG. 4 is a flow chart of a method of use of the present invention.
Detailed Description
In order to facilitate the implementation of the technical means, creation features, achievement of the purpose and the efficacy of the invention, the invention is further described below with reference to specific embodiments.
The efficient spiral retainer ring mounting device comprises a fixed base 1, a pressing plate 2, a tray 3, a lifting driving mechanism 4, a guide seat 5, a pressing mechanism 6, a bearing keel 7 and a control circuit 8, wherein the fixed base 1 is of a columnar structure with the axis vertical to the horizontal plane, a positioning hole 9 is arranged on the fixed base 1, the positioning hole 9 and the fixed base 1 are coaxially distributed, the bearing keel 7 is of a frame structure coaxially distributed with the fixed base 1 and mutually connected with the upper end face of the fixed base 1, the pressing plate 2 and the tray 3 are embedded in the bearing keel 7 and are of annular structures coaxially distributed with the positioning hole 9, the side surfaces of the pressing plate 2 and the tray 3 are slidably connected with the inner side face of the bearing keel 7 through the lifting driving mechanism 4, the tray 3 is positioned right above the pressing plate 2, the guide seat 5 is of a hollow tubular structure and is embedded in the tray 3 and coaxially distributed with the tray 3, and 5 up end and the lower terminal surface of guide holder all surpass 3 up end and the lower terminal surface of tray 5 millimeters at least, and 5 lower terminal surfaces of guide holder and the interval between unable adjustment base 1 up end are 0-50 millimeters, and screw-down mechanism 6 is connected with bearing keel 7 up end and with 5 coaxial distributions of guide holder.
In this embodiment, the pressing mechanism 6 includes a pressing driving device 61, a guiding rod 62, and a pressing sleeve 63, wherein the pressing driving device 61 is connected to the upper end surface of the bearing keel 7, the lower end surface of the pressing driving device 61 is embedded in the bearing keel 7, and is connected to the pressing sleeve 63 through the guiding rod 62, the pressing sleeve 63 is coaxially distributed with the guiding rod 62 and the guiding seat 5, respectively, and the outer diameter of the pressing sleeve 63 is 0-5 mm smaller than the inner diameter of the guiding seat 5.
In this embodiment, the control circuit 8 is embedded in the outer surface of the bearing keel 7, and is electrically connected to the lifting driving mechanism 5 and the pressing mechanism 6, respectively.
In addition, the cross sections of the positioning hole 9 and the bearing keel 7 of the fixing base 1 are any one of circular, U-shaped and C-shaped, and when the cross sections of the positioning hole 9 and the bearing keel 7 are any one of U-shaped and C-shaped, the side surfaces of the fixing base 1 and the bearing keel 7 corresponding to the positioning hole 9 are provided with an operation opening 10.
Meanwhile, at least three positioning clamps 11 are uniformly distributed on the inner surface of the positioning hole 9, and the positioning clamps 11 are uniformly distributed around the axis of the positioning hole 9 and are electrically connected with the control circuit 8.
It should be emphasized that, the side surfaces of the pressing plate 2 and the tray 3 are slidably connected with each other through at least two sliding rails 12 between the inner surfaces of the bearing keels 7, the sliding rails 12 are uniformly distributed around the axis of the bearing keels 7, a lifting driving mechanism 4 is embedded in each guiding sliding rail 12, a displacement sensor 13 is additionally arranged on each guiding sliding rail 12, and the displacement sensor 13 is respectively connected with the side surfaces of the pressing plate 2 and the tray 3 and electrically connected with the control circuit 8.
Preferably, the pressing driving devices 61 of the lifting driving mechanism 4 and the pressing mechanism 6 are any one of a hydraulic cylinder, a pneumatic cylinder, an electric telescopic rod, a screw rod mechanism, a gear rack mechanism and a worm and gear mechanism, and at least one pressure sensor 14 is respectively arranged at the connecting position of the lifting driving mechanism 4 and the pressing plate 2, the connecting position of the tray 3, the connecting position of the guiding rod 62 and the pressing sleeve 63 of the pressing mechanism 6, and the pressure sensors 14 are respectively electrically connected with the control circuit 8.
It should be noted that the press-in sleeve 63 is a hollow tubular structure with a rectangular axial cross section or a tubular structure with any one of a U-shaped structure and a suture-shaped structure with an axial cross section, a plurality of universal balls 64 are uniformly distributed on the outer surface of the press-in sleeve 63, the universal balls 64 are uniformly distributed around the axis of the press-in sleeve 63, the front end surface of each universal ball 64 is higher than the outer side surface of the press-in sleeve 63 by at least 1 mm, and when the press-in sleeve 63 is in a standby state, the lower end surface of the press-in sleeve 63 is higher than the upper end surface of the guide base 5 by at least 20 mm; when the press-in sleeve 63 is in a working state, the press-in sleeve 63 is embedded in the guide seat 5 and is in sliding connection with the inner side surface of the guide seat 5 through the universal ball 64, and the distance between the lower end surface of the press-in sleeve 63 and the lower end surface of the guide seat 5 is 0 to 1/3 of the effective height of the guide seat 5.
Further preferably, the control circuit 8 is a circuit system based on any one of an industrial single chip microcomputer and programmable control, the control circuit is additionally provided with an operation key 15, a display 16 and a data communication interface 17, and the operation key 15, the display 16 and the data communication interface 17 are all embedded in the outer surface of the bearing keel.
As shown in fig. 4, a method for using the high-efficiency spiral retainer ring installation device comprises the following steps:
s1, positioning a workpiece, namely, fixedly mounting a planet wheel workpiece on a fixed base through a positioning hole and coaxially distributing the planet wheel workpiece with the fixed base, then driving a pressing plate to move downwards through a lifting driving mechanism and carrying out auxiliary pressing and positioning on the upper section of the planet wheel workpiece, then embedding an effective spiral retainer ring to be assembled into the lower end face of a guide seat and coaxially distributing the effective spiral retainer ring with the guide seat and the planet wheel workpiece, and then finishing workpiece positioning for later use;
s2, pressing the spiral retainer ring, after the step S1 is completed, firstly driving the tray to move downwards through the lifting driving mechanism to enable the lower end face of the guide seat to abut against the upper end face of the planet wheel workpiece, then driving a pressing-down driving device of the pressing-down mechanism to operate, driving the pressing-in sleeve to move downwards through the guide rod, embedding the front end face of the pressing-in sleeve into the guide seat and abutting against the upper end face of the spiral retainer ring in the downward process of the pressing-in sleeve, and then continuously moving downwards to press the spiral retainer ring from the guide seat to the specified working position of the planet wheel workpiece, so that the requirement of pressing-in operation of the spiral;
and S3, resetting the equipment, driving a pressing driving device of the pressing mechanism to operate, driving the pressing sleeve to move upwards and separate from the guide seat through the guide rod, driving the tray and the pressing plate to move upwards respectively through the lifting driving mechanism, and finally taking the planet wheel workpiece out of the positioning hole of the positioning base, thus returning to the step S1 for circular operation.
The device has compact structure, high operation automation degree and high operation precision, and can effectively meet the requirements of pressing-in processing operation of the spiral retainer rings of the planetary speed reducers with different structural types, thereby greatly improving the universality of the device and improving the working efficiency and precision of the pressing-in operation of the spiral retainer rings.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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 invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a high-efficient spiral retaining ring installation device which characterized in that: the high-efficiency spiral retainer ring mounting device comprises a fixed base, a pressing plate, a tray, a lifting driving mechanism, a guide seat, a pressing mechanism, a bearing keel and a control circuit, wherein the fixed base is of a columnar structure with the axis vertical to the horizontal plane, positioning holes are formed in the fixed base, the positioning holes and the fixed base are coaxially distributed, the bearing keel is of a frame structure coaxially distributed with the fixed base and is mutually connected with the upper end face of the fixed base, the pressing plate and the tray are both embedded in the bearing keel and are of annular structures coaxially distributed with the positioning holes, the side surfaces of the pressing plate and the tray are both in sliding connection with the inner side face of the bearing keel through the lifting driving mechanism, the tray is positioned right above the pressing plate, the guide seat is of a hollow tubular structure and is embedded in the tray and coaxially distributed with the tray, and the upper end face and the lower end face of the guide seat exceed the upper end face and the lower, the interval is 0-50 millimeters between terminal surface and the unable adjustment base up end under the guide holder, screw-down mechanism with bear fossil fragments up end and be connected and with the coaxial distribution of guide holder, screw-down mechanism is including pushing down drive arrangement, guide bar, the cover of impressing, wherein push down drive arrangement and bear fossil fragments up end interconnect, push down drive arrangement down the terminal surface and inlay in bearing fossil fragments to through guide bar and the cover interconnect of impressing, the cover of impressing respectively with guide bar, the coaxial distribution of guide holder, the cover internal diameter of impressing is less than the guide holder internal diameter by 0-5 millimeters, control circuit inlays in bearing fossil fragments surface to respectively with lift actuating mechanism, screw-down mechanism electrical connection.
2. The efficient spiral retainer ring installation device of claim 1, wherein the cross sections of the positioning holes and the bearing keels of the fixing base are any one of circular shapes, U-shaped shapes and C-shaped shapes, and when the cross sections of the positioning holes and the bearing keels are any one of the U-shaped shapes and the C-shaped shapes, operation openings are formed in the side surfaces of the fixing base and the bearing keels corresponding to the positioning holes.
3. The efficient spiral retainer ring installation device of claim 1, wherein at least three positioning clamps are uniformly distributed on the inner surface of the positioning hole, and the positioning clamps are uniformly distributed around the axis of the positioning hole and are electrically connected with the control circuit.
4. The efficient spiral retainer ring installation device of claim 3, wherein the pressing plate, the side surface of the tray and the inner surface of the bearing keel are slidably connected with each other through at least two sliding rails, the sliding rails are uniformly distributed around the axis of the bearing keel, a lifting driving mechanism is embedded in each guiding sliding rail, a displacement sensor is additionally arranged on each guiding sliding rail, and the displacement sensors are respectively connected with the side surfaces of the pressing plate and the tray and electrically connected with the control circuit.
5. The efficient spiral retainer ring installation device as claimed in claim 1, wherein the lifting driving mechanism and the pressing driving device of the pressing mechanism are any one of a hydraulic cylinder, a pneumatic cylinder, an electric telescopic rod, a screw rod mechanism, a rack and pinion mechanism and a worm and gear mechanism.
6. The efficient spiral retainer ring installation device as claimed in claim 1, wherein at least one pressure sensor is respectively arranged at the connection position of the lifting driving mechanism and the pressure plate, the connection position of the tray, the connection position of the pressing mechanism guide rod and the pressing sleeve, and the pressure sensors are respectively and electrically connected with the control circuit.
7. A high-efficiency spiral retainer ring installation device as claimed in claim 1, wherein said press-in sleeve is a hollow tubular structure with a rectangular axial cross-section or a tubular structure with any one of a U-shaped and a suture-shaped axial cross-section.
8. The efficient spiral retainer ring mounting device as claimed in claim 1, wherein a plurality of universal balls are uniformly distributed on the outer surface of the press-in sleeve, the universal balls are uniformly distributed around the axis of the press-in sleeve, the front end face of each universal ball is at least 1 mm higher than the outer side face of the press-in sleeve, and when the press-in sleeve is in a standby state, the lower end face of the press-in sleeve is at least 20 mm higher than the upper end face of the guide seat; when the pressing-in sleeve is in a working state, the pressing-in sleeve is embedded in the guide seat and is in sliding connection with the inner side surface of the guide seat through the universal ball, and the distance between the lower end surface of the pressing-in sleeve and the lower end surface of the guide seat is 1/3 from 0 to the effective height of the guide seat.
9. The efficient spiral retainer ring installation device of claim 1, wherein the control circuit is a circuit system based on any one of an industrial single chip microcomputer and a programmable controller, and the control circuit is further provided with an operation key, a display and a data communication interface, and the operation key, the display and the data communication interface are all embedded in the outer surface of the bearing keel.
10. The use method of the efficient spiral retainer ring mounting device is characterized by comprising the following steps:
s1, positioning a workpiece, namely, firstly, fixedly mounting a planet wheel workpiece on a fixed base through a positioning hole and coaxially distributing the planet wheel workpiece with the fixed base, then driving a pressing plate to move downwards through a lifting driving mechanism and carrying out auxiliary compression positioning on the upper section of the planet wheel workpiece, then embedding a spiral retainer ring to be assembled into the lower end surface of a guide seat, and coaxially distributing the guide seat and the planet wheel workpiece, thus finishing workpiece positioning for later use;
s2, pressing the spiral retainer ring, after the step S1 is completed, firstly driving the tray to move downwards through the lifting driving mechanism to enable the lower end face of the guide seat to abut against the upper end face of the planet wheel workpiece, then driving a pressing-down driving device of the pressing-down mechanism to operate, driving the pressing-in sleeve to move downwards through the guide rod, embedding the front end face of the pressing-in sleeve into the guide seat and abutting against the upper end face of the spiral retainer ring in the downward process of the pressing-in sleeve, and then continuously moving downwards to press the spiral retainer ring from the guide seat to the specified working position of the planet wheel workpiece, so that the requirement of pressing-in operation of the spiral;
and S3, resetting the equipment, driving a pressing driving device of the pressing mechanism to operate, driving the pressing sleeve to move upwards and separate from the guide seat through the guide rod, driving the tray and the pressing plate to move upwards respectively through the lifting driving mechanism, and finally taking the planet wheel workpiece out of the positioning hole of the fixed base, thus returning to the step S1 for circular operation.
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| CN201910683755.9A CN110449859B (en) | 2019-07-26 | 2019-07-26 | Efficient spiral retainer ring mounting device and using method |
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| CN201910683755.9A CN110449859B (en) | 2019-07-26 | 2019-07-26 | Efficient spiral retainer ring mounting device and using method |
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| CN110449859B true CN110449859B (en) | 2021-05-25 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1156892A1 (en) * | 1982-09-03 | 1985-05-23 | Osipov Aleksandr | Apparatus for dismantling joints |
| JPS6434619A (en) * | 1987-07-28 | 1989-02-06 | Mazda Motor | C-ring assembly device |
| CN201076986Y (en) * | 2007-07-30 | 2008-06-25 | 东风汽车有限公司设备制造厂 | Hole circlip automatic prepressing mounting mechanism |
| CN205184654U (en) * | 2015-11-13 | 2016-04-27 | 哈尔滨东安发动机（集团）有限公司 | Hole is with spiral retaining ring assembly quality |
| CN206382828U (en) * | 2016-12-28 | 2017-08-08 | 无锡贝斯特精机股份有限公司 | Double-layer spiral circlip automatic press mounting testing agency |
| CN107053082A (en) * | 2017-05-04 | 2017-08-18 | 江苏金也汽车配件有限公司 | A kind of hole pneumatic installing mechanism of uiform section circlip |
| CN108161383A (en) * | 2017-12-08 | 2018-06-15 | 桐乡胜辉精密机械有限公司 | A kind of workpiece assembling mechanism |
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Address after: 226000 No.10 Haizhou Road, Binhai Industrial Park, Qidong, Nantong, Jiangsu Province Patentee after: Modoli Intelligent Transmission (Jiangsu) Co.,Ltd. Address before: 226000 No.10 Haizhou Road, Binhai Industrial Park, Qidong, Nantong, Jiangsu Province Patentee before: JIANGSU MOTOREDUCER MANUFACTURING CO.,LTD. |
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