CN103807392A - Hydraulic or pneumatic transmission device with 8-shaped structure - Google Patents
Hydraulic or pneumatic transmission device with 8-shaped structure Download PDFInfo
- Publication number
- CN103807392A CN103807392A CN201410078216.XA CN201410078216A CN103807392A CN 103807392 A CN103807392 A CN 103807392A CN 201410078216 A CN201410078216 A CN 201410078216A CN 103807392 A CN103807392 A CN 103807392A
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- CN
- China
- Prior art keywords
- chain
- side chain
- sprocket wheel
- end portion
- fixedly connected
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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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
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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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0812—Fluid pressure
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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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0842—Mounting or support of tensioner
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a hydraulic or pneumatic transmission device with an 8-shaped structure. The hydraulic or pneumatic transmission device comprises a first chain wheel, a second chain wheel and a chain, wherein the chain is wound on the first chain wheel and the second chain wheel in a form of the 8-shaped structure, with the first chain wheel as one end and the second chain wheel as the other end; a chain driving device which can be used for driving the chain to move is connected to the chain. The first chain wheel and the second chain wheel are driven by the chain to reversely rotate at the same speed with respective wheel axles as axes; the rotating shafts of devices requiring to be simultaneously opened or closed are respectively fixed on the first chain wheel and the second chain wheel, and thus the devices can rotate in opposite directions, with the same angular velocity. A tightening screw is arranged between a first side chain and a second side chain and is used for adjusting the tightness of the side chains so as to ensure the stable operation of the whole driving device and prevent the falling and sliding of the side chains. The hydraulic or pneumatic transmission device disclosed by the invention has the advantages that the structure is simple; the operation is convenient; the chain is wound on the two chain wheels to be shaped like an 8, so that the two chain wheels can rotate in opposite directions and at the same time and the devices connected with the chain wheels can be opened or closed simultaneously.
Description
Technical field
The present invention relates to mechanical transmission field, especially relate to a kind of hydraulic pressure or pneumatic actuator with 8 word structures.
Background technique
Along with expanding economy, road transport vehicle is more and more, the thing followed is the various pollutions that transport vehicle forms under steam, especially there is no the lorry of exposed transportation dregs of railway carriage top board because shed, dust, it is more serious that water clock sewage etc. causes road surface to pollute, on road, dust spreads all on the one hand, affect traffic and pedestrian's health, What is more, because there is pollution on road surface, the contaminant particle moment of running at high speed on truck tyre spreading road surface, moment produces high pressure and answers pressure, just can very brief blast and fission and produce a large amount of trickle dust, be diffused in air, floatingly cannot fall ground after rise and contaminated air for a long time, Here it is PM2.5, therefore, these contaminant particles are the main causes that form city haze, haze the Long-term Effect air quality, people suck haze, certainly will bring serious disastrous effect to human body, the incidences of disease such as lung cancer, bronchus, heart disease are inevitable to raise year after year, is exactly the consequence that pollution of atmosphere increases the weight of.
Most cities is all checked slag-soil truck, the refuse collection vehicle etc. of exposed transportation severely, prevents that it from causing severe contamination to urban environment.But, want to effect a permanent cure, also need transport vehicle to transform, make each transport vehicle all be furnished with cover plate.The cover plate being arranged on transport vehicle had both needed to have enough mechanical strengths, folding with convenience again, best selection is to adopt two cover plates to coordinate, while covering, two cover plates goes to railway carriage top from railway carriage both sides simultaneously, be combined into railway carriage top board, while opening, two cover plates rotates and falls from railway carriage top to a side separately simultaneously, exposes the space in railway carriage.Realize this function, must solution how to realize two cover plates with opening with the problem of closing.The sprocket wheel of general transmission device is all rotating in same direction, all clockwise clockwise, all counterclockwise counterclockwise, and two cover plates is to clockwise rotate on one side with opening with closing, and another side rotates counterclockwise.Therefore, general slewing gear can arrange two independently sprocket wheel carry out work, not only complex structure, and two cover plates can move disunity often, affect the practical effect of cover plate.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provide a kind of simple in structure, easy to operate, chain to be 8 word structure dystopy cross windings on two sprocket wheels, can realize two sprocket wheels counter-rotation simultaneously, the device being connected with sprocket wheel can same be opened with the 8-shaped transmission device closing.
The present invention solves the problems of the technologies described above adopted technological scheme:
A kind of hydraulic pressure or pneumatic actuator with 8 word structures, comprise the first sprocket wheel, the second sprocket wheel and chain, wherein: chain is 8 word structure dystopy cross windings on the first sprocket wheel and the second sprocket wheel take the first sprocket wheel as one end, take the second sprocket wheel as the other end, chain is connected with the chain drive that energy chain drive-belt moves.
For optimizing technique scheme, the concrete measure of taking also comprises:
Above-mentioned chain includes the first side chain and the second side chain, the first side chain comprises the first side chain upper end portion and the first side chain underpart, the first side chain middle part winding is on the first sprocket wheel, and the second side chain direction is all stretched in the first side chain upper end portion and the first side chain underpart, the second side chain comprises the second side chain upper end portion and the second side chain underpart, the second side chain middle part winding is on the second sprocket wheel, and the first side chain direction is all stretched in the second side chain upper end portion and the second side chain underpart.
Above-mentioned chain drive includes the live axle that drives cylinder body and can slide with respect to driving cylinder body front and back, and live axle one end is fixedly connected with the first side chain underpart, and this live axle the other end is fixedly connected with the second side chain upper end portion.
This above-mentioned 8-shaped transmission device also includes connecting plate, and connecting plate one end is fixedly connected with the first side chain upper end portion, and this connecting plate the other end is fixedly connected with the second side chain underpart.
Above-mentioned connecting plate at least one end is connected with chain by stretching screw.
Above-mentioned connecting plate is fixedly connected with by stretching screw with the first side chain upper end portion, is provided with screw hole on connecting plate, and stretching screw one end is fixedly connected with the first side chain upper end portion, and the other end screws in screw hole and is fixedly connected with connecting plate.
The first above-mentioned side chain upper end portion is fixedly connected with by the first chain connector with stretching screw, and the second side chain underpart is fixedly connected with connecting plate by the second chain connector.
The first above-mentioned sprocket wheel equates with the second sprocket wheel size.
Above-mentioned chain drive is fluid pressure drive device or actuating device of atmospheric pressure.
Above-mentioned chain drive is oil cylinder.
Compared with prior art, a kind of hydraulic pressure or pneumatic actuator with 8 word structures of the present invention, comprise the first sprocket wheel, the second sprocket wheel and chain, chain is 8-shaped winding on the first sprocket wheel and the second sprocket wheel take the first sprocket wheel as one end, take the second sprocket wheel as the other end, chain is connected with the chain drive that energy chain drive-belt moves.Chain is divided into the first side chain and the second side chain, the first side chain top is connected with the second side chain bottom, the first side chain bottom, the second side chain top are connected with chain drive respectively, the first side chain, the second side chain and chain drive have formed the closing force transmission of a 8-shaped jointly, the linear velocity of every bit is identical, the first sprocket wheel, the second sprocket wheel under the drive of chain take self wheel shaft as axle rotate, because the first sprocket wheel is identical with the size of the second sprocket wheel, in the identical situation of on-line velocity, angular velocity is also identical, and opposite direction.Need with the device of opening with closing, its rotatingshaft to be separately fixed on the first sprocket wheel and the second sprocket wheel, this device also can obtain the feature that counter-rotation and angular velocity are identical.Between the first side chain and the second side chain, be also provided with stretching screw, for the elasticity of adjusting chain, guarantee whole transmission device smooth running, chain does not fall chain, slot.
That the present invention has is simple in structure, easy to operate, chain is 8-shaped winding on two sprocket wheels, can realize two sprocket wheels counter-rotation simultaneously, makes the device being connected with sprocket wheel can be with opening the advantage of closing together.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of the invention;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is the perspective view of Fig. 1;
Fig. 4 is the A portion structure enlarged diagram of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment as shown in Figures 1 to 4, figure grade explanation: the first sprocket wheel 1, the second sprocket wheel 2, chain 3, the first side chain 31, the first side chain upper end portion 31a, the first side chain underpart 31b, the second side chain 32, the second side chain upper end portion 32a, the second side chain underpart 32b, chain drive 4, driving cylinder body 41, live axle 42, connecting plate 5, screw hole 51, stretching screw 6, the first chain connector 7, the second chain connector 8.
The first embodiment:
A kind of hydraulic pressure or pneumatic actuator with 8 word structures of the present invention, comprise the first sprocket wheel 1, the second sprocket wheel 2 and chain 3, wherein: chain 3 is 8 word structure dystopy cross windings on the first sprocket wheel 1 and the second sprocket wheel 2 take the first sprocket wheel 1 as one end, take the second sprocket wheel 2 as the other end, chain 3 is connected with the chain drive 4 that energy chain drive-belt 3 moves.
In embodiment, chain 3 includes the first side chain 31 and the second side chain 32, the first side chain 31 comprises the first side chain upper end portion 31a and the first side chain underpart 31b, the first side chain 31 middle part windings are on the first sprocket wheel 1, and the first side chain upper end portion 31a and the first side chain underpart 31b all stretch to the second side chain direction, the second side chain 32 comprises the second side chain upper end portion 32a and the second side chain underpart 32b, the second side chain 32 middle part windings are on the second sprocket wheel 2, and the second side chain upper end portion 32a and the second side chain underpart 32b all stretch to the first side chain direction.
In embodiment, chain drive 4 includes the live axle 42 that drives cylinder body 41 and can slide with respect to driving cylinder body 41 front and back, live axle 42 one end are fixedly connected with the first side chain underpart 31b, and these live axle 42 the other ends are fixedly connected with the second side chain upper end portion 32a.
In embodiment, this 8-shaped transmission device also includes connecting plate 5, and connecting plate 5 one end are fixedly connected with the first side chain upper end portion 31a, and these connecting plate 5 the other ends are fixedly connected with the second side chain underpart 32b.
In embodiment, connecting plate 5 at least one end is connected with chain 3 by stretching screw 6.
In embodiment, connecting plate 5 is fixedly connected with by stretching screw 6 with the first side chain upper end portion 31a, is provided with screw hole 51 on connecting plate 5, and stretching screw 6 one end are fixedly connected with the first side chain upper end portion 31a, and the other end screws in screw hole 51 and is fixedly connected with connecting plate 5.
In embodiment, the first side chain upper end portion 31a is fixedly connected with by the first chain connector 7 with stretching screw 6.
In embodiment, the second side chain underpart 32b is fixedly connected with connecting plate 5 by the second chain connector 8.The first sprocket wheel 1 equates with the second sprocket wheel 2 sizes.
In embodiment, chain drive 4 is fluid pressure drive device, and this fluid pressure drive device is oil cylinder.
8-shaped transmission device of the present invention can make move toward one another or the opposing motion simultaneously of two fan cover plates, makes and opening or closed action.
Take transport vehicle that can folding upper cover plate as example, the concrete use step of 8-shaped transmission device of the present invention is as follows: the first sprocket wheel 1 and the second sprocket wheel 2 are fixed on respectively on railway carriage upper beam symmetrically, the first sprocket wheel 1 and the second sprocket wheel 2 can freely rotate around its axle center, the axle center of the first sprocket wheel 1 and the second sprocket wheel 2 is fixedly connected with respectively flapper arm, flapper arm can be followed sprocket wheel and be rotated with identical angular velocity, on flapper arm, connect baffle plate, the first side chain 31 is on the first sprocket wheel 1, the second side chain 32 is on the second sprocket wheel 2, the cylinder body of oil cylinder is also fixed on railway carriage upper beam, in-oil cylinder live axle 42 two ends all extend out to outside oil cylinder, and one end is fixedly connected with the first side chain underpart 31b, the other end is fixedly connected with the second side chain upper end portion 32a.The first side chain upper end portion 31a is fixedly connected with by connecting plate 5 with the second side chain underpart 32b.As shown in Figure 1,3, the first sprocket wheel 1 on the left side, the second sprocket wheel 2 on the right, in the time that live axle 42 is turned left side shifting under hydraulic oil cylinder driving, the first side chain underpart 31b and the second side chain upper end portion 32a are all moved to the left, the first side chain upper end portion 31a and the second side chain underpart 32b all move right, drive the first sprocket wheel 1 to clockwise rotate, and the second sprocket wheel 2 rotates counterclockwise, the flapper arm and the baffle plate that are connected with the first sprocket wheel 1 clockwise rotate, the flapper arm and the baffle plate that are connected with the second sprocket wheel 2 rotate counterclockwise, and two baffle plates are made closed action.When live axle 42 is turned right when mobile under hydraulic oil cylinder driving, the first side chain underpart 31b and the second side chain upper end portion 32a all move right, the first side chain upper end portion 31a and the second side chain underpart 32b are all moved to the left, drive the first sprocket wheel 1 to rotate counterclockwise, and the second sprocket wheel 2 clockwise rotates, the flapper arm and the baffle plate that are connected with the first sprocket wheel 1 rotate counterclockwise, and the flapper arm and the baffle plate that are connected with the second sprocket wheel 2 clockwise rotate, and two baffle plates are done separately action.In order to make two baffle plate motion speed consistent, need to control the first sprocket wheel 1 identical with the angular velocity of the second sprocket wheel 2, therefore, need the first sprocket wheel 1 and the second sprocket wheel 2 measure-alike, preferably select sprocket wheel of the same race.Guarantee whole transmission device smooth running, chain does not fall chain, slot, the device of an energy adjusting chain elasticity need to be set, it is stretching screw 6, stretching screw 6 one end are fixedly connected with the first side chain upper end portion 31a, the other end screws in screw hole 51, carrys out the elasticity of adjusting chain by screw-in depth.Because automobile-used cover plate is generally made with metal, weight ratio is heavier, therefore adopts the oil cylinder of horsepower foot as power source.Can be arranged on the control operator cabin of transport vehicle to the control gear of transmission device, facilitate driver to manipulate the folding of cover plate.In the time of transport vehicle loading or unloading, transmission device control cover plate is opened completely, exposes railway carriage inner space, and in the time that transport vehicle is in transport state, transmission device control cover plate covers, and cover plate surrounds railway carriage inner space together with side plate with carriage bottom plate.
The second embodiment:
In embodiment, chain drive 4 is actuating device of atmospheric pressure, and this fluid pressure drive device is cylinder.Do not state part with the first embodiment.
In the present embodiment, adopted cylinder to replace the oil cylinder in the first embodiment, be applicable to less vehicle, than hydraulic oil cylinder driving, cylinder kind more economical, that select is also more, cleaner.
That the present invention has is simple in structure, easy to operate, chain is 8-shaped winding on two sprocket wheels, can realize two sprocket wheels counter-rotation simultaneously, makes the device being connected with sprocket wheel can be with opening the advantage of closing together.
Most preferred embodiment of the present invention is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from the scope of the present invention.
Claims (10)
1. one kind has hydraulic pressure or the pneumatic actuator of 8 word structures, comprise the first sprocket wheel (1), the second sprocket wheel (2) and chain (3), it is characterized in that: described chain (3) is 8 word structure dystopy cross windings take the first sprocket wheel (1) as one end, take the second sprocket wheel (2) as the other end upper at the first sprocket wheel (1) and the second sprocket wheel (2), described chain (3) is connected with can the mobile chain drive (4) of chain drive-belt (3).
2. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 1, it is characterized in that: described chain (3) includes the first side chain (31) and the second side chain (32), described the first side chain (31) comprises the first side chain upper end portion (31a) and the first side chain underpart (31b), described the first side chain (31) middle part winding is on the first sprocket wheel (1), and the second side chain direction is all stretched in the first side chain upper end portion (31a) and the first side chain underpart (31b), described the second side chain (32) comprises the second side chain upper end portion (32a) and the second side chain underpart (32b), described the second side chain (32) middle part winding is on the second sprocket wheel (2), and the first side chain direction is all stretched in the second side chain upper end portion (32a) and the second side chain underpart (32b).
3. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 2, it is characterized in that: described chain drive (4) includes the live axle (42) that drives cylinder body (41) and can slide with respect to driving cylinder body (41) front and back, described live axle (42) one end is fixedly connected with the first side chain underpart (31b), and this live axle (42) the other end is fixedly connected with the second side chain upper end portion (32a).
4. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 3, it is characterized in that: this 8-shaped transmission device also includes connecting plate (5), described connecting plate (5) one end is fixedly connected with the first side chain upper end portion (31a), and this connecting plate (5) the other end is fixedly connected with the second side chain underpart (32b).
5. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 4, is characterized in that: described connecting plate (5) at least one end is connected with chain (3) by stretching screw (6).
6. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 5, it is characterized in that: described connecting plate (5) is fixedly connected with by stretching screw (6) with the first side chain upper end portion (31a), on described connecting plate (5), be provided with screw hole (51), described stretching screw (6) one end is fixedly connected with the first side chain upper end portion (31a), and the other end screws in screw hole (51) and is fixedly connected with connecting plate (5).
7. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 6, is characterized in that: the first described side chain upper end portion (31a) is fixedly connected with by the first chain connector (7) with stretching screw (6); The second described side chain underpart (32b) is fixedly connected with connecting plate (5) by the second chain connector (8).
8. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 7, is characterized in that: described the first sprocket wheel (1) equates with the second sprocket wheel (2) size.
9. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 8, is characterized in that: described chain drive (4) is fluid pressure drive device or actuating device of atmospheric pressure.
10. a kind of hydraulic pressure or pneumatic actuator with 8 word structures according to claim 9, is characterized in that: described chain drive (4) is oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078216.XA CN103807392B (en) | 2014-03-05 | 2014-03-05 | A kind of hydraulic pressure or pneumatic transmission device with 8 word structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078216.XA CN103807392B (en) | 2014-03-05 | 2014-03-05 | A kind of hydraulic pressure or pneumatic transmission device with 8 word structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103807392A true CN103807392A (en) | 2014-05-21 |
| CN103807392B CN103807392B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410078216.XA Expired - Fee Related CN103807392B (en) | 2014-03-05 | 2014-03-05 | A kind of hydraulic pressure or pneumatic transmission device with 8 word structures |
Country Status (1)
| Country | Link |
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| CN (1) | CN103807392B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478020A (en) * | 2019-09-11 | 2021-03-12 | 北京京东乾石科技有限公司 | Automatic guide transport vechicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138041A (en) * | 1980-03-29 | 1981-10-28 | Shin Meiwa Ind Co Ltd | Canopy structure for truck |
| US4767152A (en) * | 1987-04-08 | 1988-08-30 | Florig Equipment Company, Inc. | Trailer door actuating mechanism |
| CN2534062Y (en) * | 2002-03-15 | 2003-02-05 | 赵永胜 | Goods wagon hard covering closing apparatus |
| CN2652714Y (en) * | 2003-05-25 | 2004-11-03 | 深圳市兴裕丰汽车修配有限公司 | Hydraulic driven particulate material transport vehicle box seal device |
| CN2690216Y (en) * | 2004-04-02 | 2005-04-06 | 深圳市凯卓立液压设备有限公司 | Closed cover driver of self unloading truck |
| CN2693550Y (en) * | 2004-04-26 | 2005-04-20 | 许福明 | Self closing device for bulk dumping car |
| CN2825360Y (en) * | 2005-08-02 | 2006-10-11 | 中集车辆（集团）有限公司 | Enclosed truck with movable top cover |
| CN201670160U (en) * | 2010-05-05 | 2010-12-15 | 河北宏昌天马专用车有限公司 | Dumper top cover switching system |
| CN203809618U (en) * | 2014-03-05 | 2014-09-03 | 宁波雪隆王液压科技有限公司 | Hydraulic or pneumatic transmission device with figure eight-shaped structure |
-
2014
- 2014-03-05 CN CN201410078216.XA patent/CN103807392B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138041A (en) * | 1980-03-29 | 1981-10-28 | Shin Meiwa Ind Co Ltd | Canopy structure for truck |
| US4767152A (en) * | 1987-04-08 | 1988-08-30 | Florig Equipment Company, Inc. | Trailer door actuating mechanism |
| CN2534062Y (en) * | 2002-03-15 | 2003-02-05 | 赵永胜 | Goods wagon hard covering closing apparatus |
| CN2652714Y (en) * | 2003-05-25 | 2004-11-03 | 深圳市兴裕丰汽车修配有限公司 | Hydraulic driven particulate material transport vehicle box seal device |
| CN2690216Y (en) * | 2004-04-02 | 2005-04-06 | 深圳市凯卓立液压设备有限公司 | Closed cover driver of self unloading truck |
| CN2693550Y (en) * | 2004-04-26 | 2005-04-20 | 许福明 | Self closing device for bulk dumping car |
| CN2825360Y (en) * | 2005-08-02 | 2006-10-11 | 中集车辆（集团）有限公司 | Enclosed truck with movable top cover |
| CN201670160U (en) * | 2010-05-05 | 2010-12-15 | 河北宏昌天马专用车有限公司 | Dumper top cover switching system |
| CN203809618U (en) * | 2014-03-05 | 2014-09-03 | 宁波雪隆王液压科技有限公司 | Hydraulic or pneumatic transmission device with figure eight-shaped structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478020A (en) * | 2019-09-11 | 2021-03-12 | 北京京东乾石科技有限公司 | Automatic guide transport vechicle |
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| CN103807392B (en) | 2016-06-08 |
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Effective date of registration: 20160504 Address after: 315040 Zhejiang province Jiangdong District of Ningbo City, Zhou Meng Lane 131 North Road, No. 9 (3-18) Applicant after: The east of a river, Ningbo Sheng Chuan Design of Industrial Product Co., Ltd Applicant after: NINGBO XUELONGWANG HYDRAULIC TECHNOLOGY CO., LTD. Address before: Jiangbei District, Zhejiang city of Ningbo Province Dongsheng Street 315021 No. 90 Applicant before: NINGBO XUELONGWANG HYDRAULIC TECHNOLOGY CO., LTD. |
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