CN111806873A - Engine transportation fixed bolster - Google Patents
Engine transportation fixed bolster Download PDFInfo
- Publication number
- CN111806873A CN111806873A CN202010689038.XA CN202010689038A CN111806873A CN 111806873 A CN111806873 A CN 111806873A CN 202010689038 A CN202010689038 A CN 202010689038A CN 111806873 A CN111806873 A CN 111806873A
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- CN
- China
- Prior art keywords
- rotating
- engine
- friction
- cylinder
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D61/00—External frames or supports adapted to be assembled around, or applied to, articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
Abstract
An engine transportation fixing support comprises a rotating frame, a mounting plate, a supporting plate, a shock absorber and a rotating shaft; the mounting plate is provided with two supporting plates; a shock absorber is arranged between the mounting plate and the supporting plate; the rotating shaft is rotatably connected to the two supporting plates; the rotating frame is arranged on the rotating shaft; the engine is fixed on the rotating frame; a friction wheel is arranged on the rotating shaft; friction cams are arranged on two sides of the friction wheel; the two friction cams are attached to the friction wheel; the friction cam is arranged on the connecting shaft; worm gears are arranged on the two connecting shafts; the two worm wheels are respectively meshed with two ends of the bidirectional worm; the bidirectional worm is arranged on the supporting plate; when the transport vehicle bumps, the rotating frame rotates to form buffering, so that the impact on an engine is reduced; the friction between the friction cam and the friction wheel generates the damping of the rotation of the rotating frame, so that the engine is quickly restored to a stable state.
Description
Technical Field
The invention relates to the field of fixed supports, in particular to an engine transportation fixed support.
Background
The prior known engine transportation support is specially designed for a specific engine, and the structure of the engine transportation support is as follows: the chassis is rectangular, the supporting legs for fixing the engine are arranged on the chassis, and the stop block for limiting the longitudinal movement of the engine is arranged on the chassis. The support is single in purpose, one support corresponds to one engine, the engine belongs to a precision instrument, jolting and collision cannot be caused before installation, the support is required to be higher in the transportation process, and the engine is damped in the transportation process, but the damping effect of the existing engine support is poor, and the transportation damping requirement of the precision engine cannot be met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an engine transportation fixing support which is used for damping the transportation of an engine.
The invention provides the following technical scheme:
an engine transportation fixing support comprises a rotating frame, a mounting plate, a supporting plate, a shock absorber and a rotating shaft; the mounting plate is provided with two supporting plates; a shock absorber is arranged between the mounting plate and the supporting plate; the rotating shaft is rotatably connected to the two supporting plates; the rotating frame is arranged on the rotating shaft; the engine is fixed on the rotating frame; a friction wheel is arranged on the rotating shaft; friction cams are arranged on two sides of the friction wheel; the two friction cams are attached to the friction wheel; the two connecting shafts are rotationally connected to the supporting plate; the friction cam is arranged on the connecting shaft; worm gears are arranged on the two connecting shafts; the two worm wheels are respectively meshed with two ends of the bidirectional worm; the bidirectional worm is arranged on the supporting plate.
Preferably, friction wheels are arranged on two sides of the rotating shaft; the two connecting shafts are rotatably connected to the two supporting plates; and friction cams are arranged on two sides of the connecting shaft.
Preferably, a safety cover is arranged on the mounting plate; the rotating frame, the supporting plate, the shock absorber and the rotating shaft are arranged in the safety cover.
Preferably, the rotating frame comprises a fixed rod and a rotating plate; the rotating plate is connected to the rotating shaft; the rotating plate is provided with a plurality of transverse sliding grooves and a plurality of longitudinal sliding grooves; the transverse sliding groove and the longitudinal sliding groove are arranged poorly; the fixed rod is connected to the rotating plate in a sliding mode.
Preferably, the fixing rod comprises a connecting cylinder, a first screw rod and a second screw rod; one side of the connecting cylinder is in threaded connection with the first screw; the other side of the connecting cylinder is in threaded connection with a second screw; a fixed block for fixing the engine is arranged on the first screw rod; the second screw rod is in threaded connection with the sliding block and penetrates through the sliding block; the sliding block is connected with the transverse sliding groove and the longitudinal sliding groove in a sliding mode.
Preferably, locking nuts are arranged at the joint of the connecting cylinder and the first screw, the joint of the connecting cylinder and the second screw and the joint of the second screw and the sliding block.
Preferably, the shock absorber comprises a cylinder body, a piston rod, a compression spring and a stop block; a piston rod is arranged in the cylinder body; the cylinder body is arranged on the mounting plate; the piston rod is connected with the supporting plate; a compression spring is arranged in the cylinder body; the compression spring presses the piston rod outwards; the bottom of the cylinder body is provided with a ventilation hole; a stop block is arranged above the ventilating hole; the stop block is provided with a vent hole; the vent hole corresponds to the position of the ventilation hole; a throttle valve is arranged on the vent hole; a gap is arranged between the stop block and the inner wall of the cylinder body; a first sealing ring is arranged below the stop block; the first sealing ring is arranged outside the vent hole in a surrounding mode.
Preferably, the piston rod comprises a piston head, a piston connecting rod and a rotating cylinder; the piston head is arranged in the cylinder body; the piston head is connected with the piston connecting rod; the piston connecting rod is connected with the supporting plate; the rotating cylinder is in threaded connection with the piston connecting rod; one side of the rotating cylinder is limited in the cylinder body; a second sealing ring is arranged between the rotating cylinder and the cylinder body; the compression spring is arranged between the stop block and the piston head.
Compared with the prior art, the invention has the following advantages and effects:
the engine is fixed on the rotating frame, so that the gravity center of the engine can be automatically adjusted, and the rotating frame can better support the engine; the rotating frame is arranged on the rotating shaft; a friction wheel is arranged on the rotating shaft; friction cams are arranged on two sides of the friction wheel; when the transport vehicle jolts, the rotating frame rotates to form buffering, and impact on an engine is reduced; the friction between the friction cam and the friction wheel generates the damping of the rotation of the rotating frame, so that the engine is quickly restored to a stable state.
When the device is impacted in the vertical direction, the compression spring downwards extrudes the stop block, gas in the cylinder body can only be discharged out of the cylinder body through the vent hole and the ventilation hole, and the throttle valve controls the flow of the gas in the vent hole, so that the buffering effect of the shock absorber is adjusted; when the compression spring rebounds, gas flows back into the cylinder body from the gap between the stop block and the cylinder body and reciprocates to quickly offset the impact on the engine.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a front view of an engine transport mounting bracket of the present invention;
FIG. 2 is a side view of an engine transport mounting bracket of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 of the present invention;
FIG. 4 is a front view of a fixation rod of the present invention;
fig. 5 is a structural view of the shock absorber according to the present invention.
In the figure: 1 mounting plate, 2 shock absorbers, 21 cylinder bodies, 22 rotating cylinders, 23 rotating handles, 24 piston connecting rods, 25 second sealing rings, 26 piston heads, 27 stoppers, 271 throttling valves, 272 ventilating holes, 28 first sealing rings, 29 ventilating holes, 210 mounting holes, 211 compression springs, 212 ribbed plates, 3 friction cams, 4 friction wheels, 5 supporting plates, 6 safety covers, 7 rotating plates, 71 longitudinal sliding grooves, 72 transverse sliding grooves, 73 fixing rods, 731 sliders, 732 second screws, 733 connecting cylinders, 734 first screws, 735 fixing blocks, 736 rotating handles, 737 locking nuts, 8 rotating shafts, 9 connecting shafts, 10 turbines, 11 bearing seats and 12 bidirectional worms.
Detailed Description
The specific implementation mode of the invention is as follows:
referring to fig. 1-5, an engine transportation fixing bracket includes a rotating frame, a mounting plate 1, a supporting plate 5, a damper 2, and a rotating shaft 8; a safety cover 6 is arranged on the mounting plate 1; the engine is protected by the safety cover 6; the rotating frame, the supporting plate 5, the shock absorber 2 and the rotating shaft 8 are arranged in the safety cover 6; two supporting plates 5 are arranged on the mounting plate 1; a shock absorber 2 is arranged between the mounting plate 1 and the supporting plate 5; the rotating shaft 8 is rotatably connected to the two supporting plates 5; the rotating frame 7 is arranged on the rotating shaft 8; the engine is fixed on the rotating frame 7; friction wheels 4 are arranged on two sides of the rotating shaft 8; friction cams 3 are arranged on two sides of the friction wheel 4; the two friction cams 3 are attached to the friction wheel 4; the two connecting shafts 9 are rotatably connected to the two supporting plates 5; the friction cam 3 is arranged on the connecting shaft 9; the friction cams 3 are arranged on two sides of the connecting shaft 9; worm gears 10 are arranged on the two connecting shafts 9; the two worm wheels 10 are respectively meshed with two ends of a bidirectional worm 12, and the friction wheel 4 is prevented from driving the friction cam 3 to rotate by utilizing the self-locking property of the worm wheels and the worm; the bidirectional worm 12 is arranged on the support plate 5 through a bearing seat 11; the friction between the friction cam 3 and the friction wheel 4 generates the damping of the rotation of the rotating frame, so that the engine is quickly restored to a stable state.
The rotating frame comprises a fixed rod 73 and a rotating plate 7; the rotating plate 7 is connected to the rotating shaft 8; the rotating plate 7 is provided with a plurality of transverse sliding grooves 72 and a plurality of longitudinal sliding grooves 71; the transverse sliding groove 72 and the longitudinal sliding groove 71 are arranged poorly; the fixed rod 73 is connected to the rotating plate 7 in a sliding manner; the support position of the engine is adjusted by sliding the fixing rod 73 to be suitable for fixing different kinds of engines.
The fixing rod 73 comprises a connecting cylinder 733, a first screw 734 and a second screw 732; a rotating handle 736 is arranged on the side wall of the connecting cylinder 733; one side of the connecting cylinder 733 is in threaded connection with the first screw 734; the other side of the connecting cylinder 733 is in threaded connection with the second screw 732, and the total length of the fixing rod 73 is adjusted by rotating the connecting cylinder 733; a fixing block 735 for fixing the engine is arranged on the first screw 734; the second screw 732 is in threaded connection with the sliding block 731; the second screw 732 penetrates the sliding block 731, and the sliding block 731 is fixed to the rotating plate 7 by rotating the second screw 732; the sliding block 731 is slidably connected to the transverse sliding groove 72 and the longitudinal sliding groove 71; and locking nuts 737 are arranged at the joints of the connecting cylinder 733 and the first screw 734, the joints of the connecting cylinder 733 and the second screw 732 and the joints of the second screw 732 and the sliding block 731, and the locking nuts 737 are used for preventing the threaded connection from loosening.
The shock absorber 2 comprises a cylinder 21, a piston rod, a compression spring 211 and a stop block 27; the vertical impact on the engine is buffered through the shock absorber 2; a piston rod is arranged in the cylinder body 21; the cylinder body is provided with a mounting hole 210, the cylinder body 21 is arranged on the mounting plate 1 through the mounting hole 210, and a ribbed plate 212 is arranged between the cylinder body 21 and the mounting plate 1 so as to improve the connection strength between the cylinder body 21 and the mounting plate 1; the piston rod is connected with the supporting plate 5; a compression spring 211 is arranged in the cylinder body 21; the compression spring 211 presses the piston rod outwards; the bottom of the cylinder body 21 is provided with a ventilation hole 29; a stop block 27 is arranged above the ventilating hole 29; the stop block 27 is provided with a vent hole 272; the vent hole 272 corresponds to the position of the vent hole 29 so as to facilitate the discharge of gas in the cylinder; a throttle valve 271 is arranged on the vent hole 272, and the flow of the gas passing through the vent hole 272 is regulated and controlled by the throttle valve 271; a gap is formed between the stop block 27 and the inner wall of the cylinder body 21, so that outside air can rapidly enter the cylinder body 21, and the compression spring is restored to an initial state; a first sealing ring 28 is arranged below the stop block 27; the first sealing ring 28 is disposed around the vent hole 272 to prevent gas leakage between the vent hole 272 and the venting hole 29.
The piston rod comprises a piston head 26, a piston connecting rod 24 and a rotary cylinder 22; the piston head 26 is disposed in the cylinder 21; the piston head 26 is connected with the piston connecting rod 24; the piston connecting rod 24 is connected with the supporting plate 5; the rotating cylinder 22 is in threaded connection with a piston connecting rod 24; one side of the rotating cylinder 22 is limited in the cylinder body 21; a second sealing ring 28 is arranged between the rotating cylinder 22 and the cylinder body 21; a rotating handle 23 is arranged on the rotating cylinder 22; the compression spring 211 is disposed between the stopper 27 and the piston head 26; the shock-absorbing effect of the shock absorber 2 is adjusted by changing the compression state of the compression spring by rotating the rotary cylinder 22.
The working principle is as follows: the worker adjusts the supporting position of the engine through sliding the fixed rod 73, adjusts the total length of the fixed rod 73 through rotating the connecting cylinder 733, and fixes the engine on the rotating frame, so that the center of gravity of the engine can be automatically adjusted, and the rotating frame can better support the engine; manually rotating the bidirectional screw 12 to enable the friction cam 3 to extrude two sides of the friction wheel 4 to form friction; when the transport vehicle jolts, the rotating frame rotates to form buffering, and impact on an engine is reduced; the engine is quickly restored to a stable state by generating the damping of the rotation of the engine through the friction between the friction cam 3 and the friction wheel 4.
When the engine is impacted in the vertical direction, the compression spring 211 presses the stop block 27 downwards, the gas in the cylinder body 21 can be discharged out of the cylinder body 21 only through the vent hole 272 and the ventilating hole 29, and the throttle valve 271 controls the flow rate of the gas in the vent hole 272, so that the buffering effect of the shock absorber is adjusted; when the compression spring 211 rebounds, the gas flows back into the cylinder 21 from the gap between the stop 27 and the cylinder, and reciprocates to quickly offset the impact on the engine; the shock-absorbing effect of the shock absorber 2 is adjusted by changing the compression state of the compression spring by rotating the rotary cylinder 22.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an engine transportation fixed bolster which characterized in that: comprises a rotating frame, a mounting plate, a supporting plate, a shock absorber and a rotating shaft; the mounting plate is provided with two supporting plates; a shock absorber is arranged between the mounting plate and the supporting plate; the rotating shaft is rotatably connected to the two supporting plates; the rotating frame is arranged on the rotating shaft; the engine is fixed on the rotating frame; a friction wheel is arranged on the rotating shaft; friction cams are arranged on two sides of the friction wheel; the two friction cams are attached to the friction wheel; the two connecting shafts are rotationally connected to the supporting plate; the friction cam is arranged on the connecting shaft; worm gears are arranged on the two connecting shafts; the two worm wheels are respectively meshed with two ends of the bidirectional worm; the bidirectional worm is arranged on the supporting plate.
2. An engine transport mounting bracket as set forth in claim 1 wherein: friction wheels are arranged on two sides of the rotating shaft; the two connecting shafts are rotatably connected to the two supporting plates; and friction cams are arranged on two sides of the connecting shaft.
3. An engine transport mounting bracket as set forth in claim 1 wherein: a safety cover is arranged on the mounting plate; the rotating frame, the supporting plate, the shock absorber and the rotating shaft are arranged in the safety cover.
4. An engine transport mounting bracket as set forth in claim 1 wherein: the rotating frame comprises a fixed rod and a rotating plate; the rotating plate is connected to the rotating shaft; the rotating plate is provided with a plurality of transverse sliding grooves and a plurality of longitudinal sliding grooves; the transverse sliding groove and the longitudinal sliding groove are arranged poorly; the fixed rod is connected to the rotating plate in a sliding mode.
5. An engine transport mounting bracket as set forth in claim 4 wherein: the fixed rod comprises a connecting cylinder, a first screw and a second screw; one side of the connecting cylinder is in threaded connection with the first screw; the other side of the connecting cylinder is in threaded connection with a second screw; a fixed block for fixing the engine is arranged on the first screw rod; the second screw rod is in threaded connection with the sliding block and penetrates through the sliding block; the sliding block is connected with the transverse sliding groove and the longitudinal sliding groove in a sliding mode.
6. An engine transport mounting bracket as set forth in claim 1 wherein: the shock absorber comprises a cylinder body, a piston rod, a compression spring and a stop block; a piston rod is arranged in the cylinder body; the cylinder body is arranged on the mounting plate; the piston rod is connected with the supporting plate; a compression spring is arranged in the cylinder body; the compression spring presses the piston rod outwards; the bottom of the cylinder body is provided with a ventilation hole; a stop block is arranged above the ventilating hole; the stop block is provided with a vent hole; the vent hole corresponds to the position of the ventilation hole; a throttle valve is arranged on the vent hole; a gap is arranged between the stop block and the inner wall of the cylinder body; a first sealing ring is arranged below the stop block; the first sealing ring is arranged outside the vent hole in a surrounding mode.
7. An engine transport mounting bracket as set forth in claim 6 wherein: the piston rod comprises a piston head, a piston connecting rod and a rotating cylinder; the piston head is arranged in the cylinder body; the piston head is connected with the piston connecting rod; the piston connecting rod is connected with the supporting plate; the rotating cylinder is in threaded connection with the piston connecting rod; one side of the rotating cylinder is limited in the cylinder body; a second sealing ring is arranged between the rotating cylinder and the cylinder body; the compression spring is arranged between the stop block and the piston head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689038.XA CN111806873B (en) | 2020-07-15 | 2020-07-15 | Engine transportation fixed bolster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689038.XA CN111806873B (en) | 2020-07-15 | 2020-07-15 | Engine transportation fixed bolster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111806873A true CN111806873A (en) | 2020-10-23 |
| CN111806873B CN111806873B (en) | 2022-03-01 |
Family
ID=72865280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010689038.XA Active CN111806873B (en) | 2020-07-15 | 2020-07-15 | Engine transportation fixed bolster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111806873B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170327214A1 (en) * | 2013-04-02 | 2017-11-16 | Hood Technology Corporation | Multicopter-assisted system and method for launching and retrieving a fixed-wing aircraft |
| CN207497290U (en) * | 2017-12-01 | 2018-06-15 | 重庆莱亚工业设备有限公司 | A kind of driving device suitable for engine transportation dispenser |
| CN209023444U (en) * | 2018-09-20 | 2019-06-25 | 青海瑞合铝箔有限公司 | A kind of big wide cut battery Foilpac wooden rack |
| CN209796281U (en) * | 2019-03-01 | 2019-12-17 | 天津永全电器制造有限公司 | Adjustable storage rack for control box |
| CN209921898U (en) * | 2019-03-29 | 2020-01-10 | 芜湖艾蔓设备工程有限公司 | Wear-resisting engine transfer frame convenient to installation |
-
2020
- 2020-07-15 CN CN202010689038.XA patent/CN111806873B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170327214A1 (en) * | 2013-04-02 | 2017-11-16 | Hood Technology Corporation | Multicopter-assisted system and method for launching and retrieving a fixed-wing aircraft |
| CN207497290U (en) * | 2017-12-01 | 2018-06-15 | 重庆莱亚工业设备有限公司 | A kind of driving device suitable for engine transportation dispenser |
| CN209023444U (en) * | 2018-09-20 | 2019-06-25 | 青海瑞合铝箔有限公司 | A kind of big wide cut battery Foilpac wooden rack |
| CN209796281U (en) * | 2019-03-01 | 2019-12-17 | 天津永全电器制造有限公司 | Adjustable storage rack for control box |
| CN209921898U (en) * | 2019-03-29 | 2020-01-10 | 芜湖艾蔓设备工程有限公司 | Wear-resisting engine transfer frame convenient to installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111806873B (en) | 2022-03-01 |
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Address after: 224000 No. 698, Yandu Road, Yandu District, Yancheng City, Jiangsu Province Patentee after: Jiangsu Yueda Package Warehousing and Transportation Co.,Ltd. Address before: 224000 No. 698 Yandu Road, Yandu New District, Yancheng City, Jiangsu Province (b) Patentee before: JIANGSU YUEDA PACKING & TRANSPORTATION CO.,LTD. |