CN101439720B - Endless rope brake shuttle tram - Google Patents
Endless rope brake shuttle tram Download PDFInfo
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- CN101439720B CN101439720B CN2008102439785A CN200810243978A CN101439720B CN 101439720 B CN101439720 B CN 101439720B CN 2008102439785 A CN2008102439785 A CN 2008102439785A CN 200810243978 A CN200810243978 A CN 200810243978A CN 101439720 B CN101439720 B CN 101439720B
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- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000004913 activation Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention provides an endless rope brake shuttle car. The wheel of the shuttle car is a wabbly wheel; the wabbly components of the wabbly wheel comprise wabbly speedup box, a two-way hydraulic motor and a compression spring; the compression spring is arranged between the wabbly speedup box and the position corresponding to a car frame; the wheel shaft of the wabbly wheel is the input shaft of the wabbly speedup box; the output shaft of the wabbly speedup box is connected with the input shaft of the two-way hydraulic motor; the carriage of the car is internally provided with a hydraulic workstation; two hydraulic tong type brakes are arranged at the left side and the right side of the bottom of the car frame. The wabbly wheel of the invention can be always in contact with the railway, so as to realize the aim that the shuttle car can be adapt to the minor-radius corner turning and the fluctuation change of the railway. In the invention, the wabbly wheel is used for extracting the speed signal of the shuttle car; the kinetic energy of the shuttle car is converted into the input of the two-way hydraulic motor and generates the torque for driving the two-way hydraulic motor; the output flow of the two-way hydraulic motor can automatically control the brake by the hydraulic workstation, so that the speed detection precision is high, thus ensuring the braking ability to be reliable.
Description
Technical field
The present invention relates to endless rope brake shuttle tram.
Background technology
In the efficient auxiliary conveying equipments that use in the colliery, comprise the general rail fortune of continuous rope personnel carrier.The personnel carrier comprises shuttle car and takes advantage of people's car.The utility model patent specification sheets of China Granted publication CN2127366Y discloses a kind of inclined shaft inserting grab labour transport vehicle, China's Granted publication number is that the utility model patent specification sheets of CN2365400Y discloses a kind of Manriding car, above-mentioned two utility model introductions all be to take advantage of people's car, can both pass through the less track of turning radius smoothly, but because the coal mine roadway landform is special, not only the space is less, turning radius is less, and the track that surface irregularity causes laying rises and falls with ground, so the above-mentioned track of taking advantage of people's car incompatibility track fluctuations.As the personnel carrier, consider from the safety performance aspect,, require shuttle car also can adapt to the coal mine roadway extreme terrain equally except to taking advantage of the requirement of people's car can adapt to the coal mine roadway extreme terrain, but shuttle car can not satisfy this requirement at present, and shuttle car does not have the function of autobrake.
Summary of the invention
The objective of the invention is to propose a kind of endless rope brake shuttle tram that can adapt to the coal mine roadway extreme terrain and have the autobrake function.
For achieving the above object, the present invention takes following technical scheme:
The present invention includes vehicle frame, compartment, be arranged on four wheels of the bottom of frame left and right sides and be arranged on meeting and discussing of vehicle frame two ends; Three wheels are general wheels in described four wheels, a wheel is a wabbly wheel, described wabbly wheel drives swing by wobble component, wobble component comprises swing gearbox, two-way hydraulic motor and compression spring, described swing gearbox casing is hinged on the vehicle frame, compression spring is arranged between swing gearbox and the vehicle frame corresponding position, and two-way hydraulic motor is fixed on the swing gearbox casing; The wheel shaft of wabbly wheel promptly is the input shaft of swing speed increaser, the output shaft of swing speed increaser is connected with the input shaft of two-way hydraulic motor, be provided with hydraulic workstation in the compartment, bottom of frame each side is provided with two hydraulic pressure caliper brakes, between two-way hydraulic motor and the hydraulic workstation, between hydraulic workstation and the hydraulic pressure caliper brake all the liquid road be connected.
Described swing gearbox casing is hinged on the vehicle frame by bearing pin near a side lower part of wabbly wheel, and the swing gearbox is provided with blind hole near a upper lateral part of wabbly wheel, and compression spring one end is arranged in the blind hole, and the other end is on the vehicle frame corresponding position.
Described hydraulic workstation is provided with the manual emergency brake activation valve of modulated pressure caliper brake.
Transmission device in the described swing gearbox is a gear drive.
Described meeting and discussing is provided with waling stripe hole and vertical pin hole.
Described hydraulic pressure caliper brake comprises cylinder barrel, piston, piston rod, cylinder sleeve, two brake control levers, described cylinder sleeve is enclosed within the cylinder barrel rear portion, be provided with orienting sleeve in the cylinder barrel and at its rear portion, piston rod stretches out orienting sleeve captives joint with cylinder sleeve, upper cover of piston rod has disk spring, bottom at cylinder barrel and cylinder sleeve respectively is fixed with Connection Block, described two brake control lever tops are hinged with corresponding Connection Block respectively, two brake control levers middle part is hinged, respectively be provided with breach on the two brake control lever bottom opposite faces, be fixed with brake shoe on each breach, the opposite face of two brake shoes is parallel.
Described cylinder sleeve is provided with counterbore, and the interior piston rod position of counterbore that is in cylinder sleeve is provided with snap ring, and snap ring is fixed by the cylinder cap that cooperates with the cylinder sleeve counterbore.
Described orienting sleeve is provided with the positioning key that embeds in the inner wall of cylinder groove, and positioning key is fixed by pressing plate.
Be provided with the seal ring and the guide ring that are enclosed within on the piston periphery between described piston and the inner wall of cylinder, be provided with the dust ring that embeds in the orienting sleeve inwall annular groove between piston rod and the orienting sleeve.
Brake control lever in two brake control levers is " protruding " shape, and projection is provided with upper pin hole and middle pin shaft hole at an upper portion thereof; Another brake control lever is " recessed " shape, respectively is provided with upper pin hole and middle pin shaft hole on two walls of its upper grooves part; The projection on the top of " protruding " shape brake control lever inserts the groove part on " recessed " shape brake control lever top, central pin shaft by " protruding " shape brake control lever middle pin shaft hole and the middle pin shaft hole of " recessed " shape brake control lever will " protruding " shape brake control lever and " recessed " shape brake control lever hinged; One bearing pin is hinged with corresponding Connection Block with " protruding " shape brake control lever with the pin shaft hole on the corresponding Connection Block by the upper pin hole of " protruding " shape brake control lever; Another bearing pin is hinged with corresponding Connection Block with " recessed " shape brake control lever with the pin shaft hole on the corresponding Connection Block by the upper pin hole of " recessed " shape brake control lever.
The present invention has following good effect:
1, the present invention is provided with wabbly wheel, and a compression spring is connected with wabbly wheel, to the power that wabbly wheel presses down, wabbly wheel is contacted by compression spring all the time with track, thereby realizes that braking car adaptation minor radius is turned round and the purpose of the fluctuations of track.2, the present invention utilizes wabbly wheel to extract the speed signal of braking car, the kinetic energy of braking car is converted into the input of two-way hydraulic motor, produce the moment of torsion that drives two-way hydraulic motor, the delivery rate of two-way hydraulic motor comes automatic control brake device by hydraulic workstation, speed accuracy of detection height of the present invention can guarantee that deceleration and stopping performance is reliable.3, hydraulic pressure caliper brake of the present invention is when operation, brake shoe can be lifted from more than the rail level, and the rail switch of avoiding over is lower than the inconvenience that rail level needs to change special turnout all the time because of the brake shoe of people's vehicle brake, and the present invention is applicable to the vehicle that moves on common rail, safe, good reliability.4, the present invention adopts two-way hydraulic motor, and vehicle can both carry out speed in the operation of removing back both direction and detect and implement braking.5, the manual releasing valve is set in hydraulic workstation, makes that pressure oil is fast released in the rodless cavity of drg, realize emergency braking.Hydraulic pressure caliper brake among the present invention can automatic guidance, again can be manual.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is an integral structure diagrammatic sketch of the present invention;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the configuration diagram of meeting and discussing;
Fig. 4 is the lateral plan of Fig. 3;
Fig. 5 is the wobble component configuration diagram;
Fig. 6 is wabbly wheel and wobble component connection diagram;
Fig. 7 is the complete section figure of Fig. 6;
Fig. 8 is the configuration diagram of general wheel;
Fig. 9 is the configuration diagram of hydraulic pressure caliper brake;
Figure 10 is the lateral plan of Fig. 9;
Figure 11 is hydraulic pressure caliper brake " protruding " shape brake control lever diagrammatic sketch;
Figure 12 is the lateral plan of Figure 11;
Figure 13 is hydraulic pressure caliper brake " recessed " shape brake control lever diagrammatic sketch;
Figure 14 is the lateral plan of Figure 13.
The specific embodiment
Embodiment
See Fig. 1, Fig. 2, present embodiment comprises vehicle frame 1, compartment 4, be arranged on four wheels of the bottom of frame left and right sides and be arranged on vehicle frame 1 two ends meet and discuss 3; Three wheels are general wheel 2-2 in described four wheels, and a wheel is wabbly wheel 2-1.Be provided with seat 4-1 and hydraulic workstation 9 in the compartment 4, and on the opening the door wide of compartment 4, be provided with retaining chain 4-2.Vehicle frame 1 bottom each side is provided with two hydraulic pressure caliper brakes 5.Described hydraulic workstation 9 has hydraulic control one-way valve, manual emergency brake activation valve 9-1.
See Fig. 1, Fig. 5 to Fig. 7, described wabbly wheel 2-1 has wobble component, and wobble component comprises swing gearbox 2-4, two-way hydraulic motor 2-3 and compression spring 2-5.Transmission device in the described swing gearbox is a gear drive.Described swing gearbox casing 2-4-1 is hinged on the vehicle frame 1 by bearing pin 2-7 near the side lower part of wabbly wheel 2-1, swing gearbox 2-4 is provided with blind hole 2-4-4 near the upper lateral part of wabbly wheel 2-1, described compression spring 2-5 one end is arranged in the blind hole 2-4-4, and the other end is on vehicle frame 1 corresponding position.Two-way hydraulic motor 2-3 is fixed on the opposite side of swing gearbox casing 2-4-1; The wheel shaft 2-1-1 of wabbly wheel 2-1 promptly is the input shaft of swing speed increaser 2-4, the output shaft 2-4-3 of swing speed increaser 2-4 is connected with the input shaft of two-way hydraulic motor 2-3, between two-way hydraulic motor 2-3 and the hydraulic workstation 9, equal liquid road is connected between hydraulic workstation 9 and the hydraulic pressure caliper brake 5.
See Fig. 1, Fig. 3 and Fig. 4, described meeting and discussing 3 is provided with waling stripe hole 3-1 and vertical pin hole 3-2.Be used to connect shuttle car and take advantage of connecting rod one end of people's car to insert in the waling stripe hole 3-1, insert in the vertical pin hole 3-2 by latch 7 again connecting rod 3 is linked together with meeting and discussing.
See Fig. 8, the wheel shaft 2-2-1 of described general wheel 2-2 is provided with bearing 2-2-2, and general wheel is connected with vehicle frame 1 by wheel shaft 2-2-1.
See Fig. 9 to Figure 14, described hydraulic pressure caliper brake 5 be about each 2, every hydraulic pressure caliper brake 5 comprises cylinder barrel 5-1, piston 5-2, piston rod 5-2-1, cylinder sleeve 5-5, two brake control lever 5-8, described cylinder sleeve 5-5 is enclosed within cylinder barrel 5-1 rear portion, be provided with orienting sleeve 5-4 in the cylinder barrel 5-1 and at its rear portion, the rear side of orienting sleeve 5-4 is provided with the positioning key 5-12 that embeds in the cylinder barrel 5-1 inner wall groove, and positioning key 5-12 is fixed by pressing plate 5-15, pressing plate 5-15 by screw retention on orienting sleeve 5-4.Be provided with seal ring 5-16 and the guide ring 5-17 that is enclosed within on the piston 5-2 periphery between described piston 5-2 and the cylinder barrel 5-1 inwall.Be provided with the dust ring 5-13 that embeds in the orienting sleeve 5-4 inwall annular groove between piston rod 5-2-1 and the orienting sleeve 5-4, piston rod 5-2-1 stretches out orienting sleeve 5-4 captives joint with cylinder sleeve 5-5, described cylinder sleeve 5-5 has counterbore, is on the piston rod 5-2-1 position in the cylinder sleeve 5-5 counterbore and is provided with the snap ring 5-1 that plays the role of positioning.Snap ring 5-11 is fixed by the cylinder cap 5-14 that cooperates with cylinder sleeve 5-5 counterbore.Cylinder cap 5-14 is connected on the cylinder sleeve 5-5 by screw.Be with disk spring 5-3 on the piston rod 5-2-1.
Brake control lever 5-8a among the two brake control lever 5-8 is " protruding " shape, and another brake control lever 5-8b is " recessed " shape.The projection on the top of " protruding " shape brake control lever 5-8a inserts the groove part on " recessed " shape brake control lever 5-8b top, by a central pin shaft 5-9 by " protruding " shape brake control lever 5-8a middle pin shaft hole 5-8a-2 and the middle pin shaft hole 5-8b-2 of " recessed " shape brake control lever 5-8b will " protruding " shape brake control lever 5-8a and " recessed " shape brake control lever 5-8b hinged.Respectively be provided with breach 5-8-1 on the two brake control lever 5-8 bottom opposite faces, be fixed with brake shoe 5-10 by screw 5-18 on each breach, the opposite face of two brake shoe 5-10 is parallel.Two brake control lever 5-8 form the jaw type brake control lever.
Bottom at cylinder barrel 5-1 and cylinder sleeve 5-5 respectively is fixed with Connection Block 5-6, and a bearing pin 5-7 is hinged with corresponding Connection Block 5-6 with " protruding " shape brake control lever 5-8a with the pin shaft hole on the corresponding Connection Block 6 by the upper pin hole 5-8a-1 of " protruding " shape brake control lever 5-8a; Another bearing pin 5-7 is hinged with corresponding Connection Block 5-6 with " recessed " shape brake control lever 5-8b with the pin shaft hole on the corresponding Connection Block 5-6 by the upper pin hole 5-8b-1 of " recessed " shape brake control lever 5-8b.
Under the shuttle car normal circumstances, be full of the hydraulic oil that enters rodless cavity 5-19 from hydraulic fluid port 5-1-1 in the oil cylinder rodless cavity 5-19 of hydraulic pressure caliper brake, hydraulic oil promotes piston 5-2 and overcomes (diagram) motion left of disk spring 5-3 application force, thereby drive cylinder sleeve 5 to left movement, the elongation of hydraulic pressure caliper brake, brake control lever opens, more than the referred rail level of brake shoe 5-10.In the shuttle car operational process, car can pass through common track switch smoothly.And wabbly wheel contacts with track under the effect of compression spring all the time.Drive two-way hydraulic motor 2-3 work in the time of wabbly wheel 2-1 rotation, the present invention utilizes wabbly wheel to extract the speed signal of shuttle car, the kinetic energy of shuttle car is converted into the input of two-way hydraulic motor, produce the moment of torsion that drives two-way hydraulic motor, when the running velocity of shuttle car reaches rating number, the flow of two-way hydraulic motor 2-3 output has increased to the hydraulic control one-way valve that is enough to hydraulic workstation and has opened, drg rodless cavity pressure oil is discharged, drg shrinks under the effect of disk spring 5-3, brake control lever draws in, drive brake shoe 5-10 decline and clamp the rail two sides, realize braking.
For further guaranteeing the driving safety of Ben Suoche, be provided with a seat 4-1 in the compartment, arrange a watch keeper, when taking place to break the rope emergency situation, can handle hand brake valve 9-1, drg rodless cavity pressure oil is discharged rapidly, brake control lever draws in, drives brake shoe 5-10 and embraces the rail braking.
Claims (10)
1. endless rope brake shuttle tram comprises vehicle frame (1), compartment (4), is arranged on four wheels of the bottom of frame left and right sides and is arranged on meet and discuss (3) at vehicle frame (1) two ends; It is characterized in that: three wheels are general wheel (2-2) in described four wheels, a wheel is wabbly wheel (2-1), described wabbly wheel (2-1) drives swing by wobble component, wobble component comprises swing gearbox (2-4), two-way hydraulic motor (2-3) and compression spring (2-5), the casing (2-4-1) of swing gearbox is hinged on the vehicle frame (1), compression spring (2-5) is arranged between swing gearbox (2-4) and vehicle frame (1) corresponding position, and two-way hydraulic motor (2-3) is fixed on the swing gearbox casing (2-4-1); The wheel shaft (2-1-1) of wabbly wheel (2-1) promptly is the input shaft of swing speed increaser (2-4), the output shaft (2-4-3) of swing speed increaser (2-4) is connected with the input shaft of two-way hydraulic motor (2-3), be provided with hydraulic workstation (9) in the compartment (4), vehicle frame (1) bottom each side is provided with two hydraulic pressure caliper brakes (5), between two-way hydraulic motor (2-3) and the hydraulic workstation (9), equal liquid road is connected between hydraulic workstation (9) and the hydraulic pressure caliper brake (5).
2. endless rope brake shuttle tram according to claim 1, it is characterized in that: described swing gearbox casing (2-4-1) is hinged on the vehicle frame (1) by bearing pin (2-7) near a side lower part of wabbly wheel (2-1), swing gearbox (2-4) is provided with blind hole (2-4-4) near a upper lateral part of wabbly wheel (2-1), compression spring (2-5) end is arranged in the blind hole, and the other end is on vehicle frame (1) corresponding position.
3. endless rope brake shuttle tram according to claim 1 is characterized in that: described hydraulic workstation (9) is provided with the manual emergency brake activation valve (9-1) of modulated pressure caliper brake (5).
4. endless rope brake shuttle tram according to claim 1 is characterized in that: the transmission device in the described swing gearbox is a gear drive.
5. endless rope brake shuttle tram according to claim 1 is characterized in that: described meeting and discussing (3) is provided with waling stripe hole (3-1) and vertical pin hole (3-2).
6. endless rope brake shuttle tram according to claim 1, it is characterized in that: described hydraulic pressure caliper brake (5) comprises cylinder barrel (5-1), piston (5-2), piston rod (5-2-1), cylinder sleeve (5-5), two brake control levers (5-8), described cylinder sleeve (5-5) is enclosed within cylinder barrel (5-1) rear portion, be provided with orienting sleeve (5-4) in the cylinder barrel (5-1) and at its rear portion, piston rod (5-2-1) stretches out orienting sleeve (5-4) captives joint with cylinder sleeve (5-5), be with disk spring (5-3) on the piston rod (5-2-1), bottom at cylinder barrel (5-1) and cylinder sleeve (5-5) respectively is fixed with Connection Block (5-6), described two brake control levers (5-8) top is hinged with corresponding Connection Block (5-6) respectively, two brake control levers (5-8) middle part is hinged, respectively be provided with breach (5-8-1) on the opposite face of two brake control levers (5-8) bottom, be fixed with brake shoe (5-10) on each breach, the opposite face of two brake shoes (5-10) is parallel.
7. endless rope brake shuttle tram according to claim 6, it is characterized in that: described cylinder sleeve (5-5) is provided with counterbore, interior piston rod (5-2-1) position of counterbore that is in cylinder sleeve (5-5) is provided with snap ring (5-11), and snap ring (5-11) is fixing by the cylinder cap (5-14) that cooperates with cylinder sleeve (5-5) counterbore.
8. endless rope brake shuttle tram according to claim 6 is characterized in that: described orienting sleeve (5-4) is provided with the positioning key (5-12) that embeds in cylinder barrel (5-1) inner wall groove, and positioning key (5-12) is fixing by pressing plate (5-15).
9. endless rope brake shuttle tram according to claim 6, it is characterized in that: be provided with seal ring (5-16) and the guide ring (5-17) that is enclosed within on piston (5-2) periphery between described piston (5-2) and cylinder barrel (5-1) inwall, be provided with the dust ring (5-13) that embeds in orienting sleeve (5-4) the inwall annular groove between piston rod (5-2-1) and the orienting sleeve (5-4).
10. endless rope brake shuttle tram according to claim 6 is characterized in that: the brake control lever (5-8a) in two brake control levers (5-8) is " protruding " shape, and projection is provided with upper pin hole (5-8a-1) and middle pin shaft hole (5-8a-2) at an upper portion thereof; Another brake control lever (5-8b) is " recessed " shape, respectively is provided with upper pin hole (5-8b-1) and middle pin shaft hole (5-8b-2) on two walls of its upper grooves part; The projection on the top of " protruding " shape brake control lever (5-8a) inserts the groove part on " recessed " shape brake control lever (5-8b) top, and middle pin shaft hole (5-8a-2) and the middle pin shaft hole (5-8b-2) of " recessed " shape brake control lever (5-8b) of central pin shaft (5-9) by " protruding " shape brake control lever (5-8a) is hinged with " protruding " shape brake control lever (5-8a) and " recessed " shape brake control lever (5-8b); One bearing pin (5-7) is hinged with corresponding Connection Block (5-6) with " protruding " shape brake control lever (5-8a) with the pin shaft hole on the corresponding Connection Block (5-6) by the upper pin hole (5-8a-1) of " protruding " shape brake control lever (5-8a); Another bearing pin (5-7) is hinged with corresponding Connection Block (5-6) with " recessed " shape brake control lever (5-8b) with the pin shaft hole on the corresponding Connection Block (5-6) by the upper pin hole (5-8b-1) of " recessed " shape brake control lever (5-8b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102439785A CN101439720B (en) | 2008-12-19 | 2008-12-19 | Endless rope brake shuttle tram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102439785A CN101439720B (en) | 2008-12-19 | 2008-12-19 | Endless rope brake shuttle tram |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101439720A CN101439720A (en) | 2009-05-27 |
| CN101439720B true CN101439720B (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102439785A Active CN101439720B (en) | 2008-12-19 | 2008-12-19 | Endless rope brake shuttle tram |
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| Country | Link |
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| CN (1) | CN101439720B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659259B (en) * | 2009-10-01 | 2011-05-18 | 常州科研试制中心有限公司 | Double-rope drawing endless rope continuous traction system |
| CN102502145A (en) * | 2011-09-21 | 2012-06-20 | 上海精星物流设备工程有限公司 | Climbing type laneway stacker for automatic stereoscopic warehouse |
| CN103144647B (en) * | 2013-02-22 | 2016-08-24 | 山西潞安环保能源开发股份有限公司 | Hydraulic clamp-type brake |
| CN107150699B (en) * | 2017-05-08 | 2019-04-02 | 枣庄学院 | A kind of brake shuttle tram system of mine endless rope winch |
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2008
- 2008-12-19 CN CN2008102439785A patent/CN101439720B/en active Active
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| CN101439720A (en) | 2009-05-27 |
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Address after: No. 56 Palm Road, Changzhou City, Jiangsu Province, 213000 Patentee after: CHANGZHOU DEVELOPMENT & MANUFACTURE CENTER Co.,Ltd. Address before: 213000 No. 180, Xinshi Road, Changzhou, Jiangsu Patentee before: CHANGZHOU DEVELOPMENT & MANUFACTURE CENTER Co.,Ltd. |