CN108045457A - A kind of AGV trolleies - Google Patents
A kind of AGV trolleies Download PDFInfo
- Publication number
- CN108045457A CN108045457A CN201711490716.4A CN201711490716A CN108045457A CN 108045457 A CN108045457 A CN 108045457A CN 201711490716 A CN201711490716 A CN 201711490716A CN 108045457 A CN108045457 A CN 108045457A
- Authority
- CN
- China
- Prior art keywords
- agv
- loading carriage
- pneumatic cylinder
- car bodies
- tilting device
- 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
Links
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
The present invention provides a kind of AGV trolleies, including AGV car bodies, vehicle-mounted AGV control systems, loading carriage and tilting device, the tilting device is installed on the AGV car bodies, the loading carriage is rotatably connected on the AGV car bodies, the tilting device is set close to the loading carriage, and the tilting device is used to that the loading carriage to be promoted to rotate, the AGV car bodies, the tilting device connects respectively with the vehicle-mounted AGV control systems communication, transport object is placed in loading carriage, trolley under the control of vehicle-mounted AGV control systems autonomous to destination, loading carriage is rotated certain angle by tilting device, the one side of loading carriage is made to be higher than opposite side, transport object is allowed to be automatically fallen off under gravity out of loading carriage, realize the automatic unloading of transport object.
Description
Technical field
The present invention relates to transport field, more particularly to a kind of AGV trolleies.
Background technology
At present, AGV trolleies magnetically or optically wait homing devices, energy as a kind of wheeled mobile robot equipped with electricity
Enough edge regulation path automatic runnings, are widely used in handling system.AGV trolleies are mainly characterized in that intelligence degree height, entirely
Journey automatic running.But the object that need to be transported is placed on AGV trolleies, AGV trolleies can only be transported, when to destination
It also needs to be unloaded by artificial or other equipment.
The content of the invention
Shortcoming in for the above-mentioned prior art, the object of the present invention is to provide a kind of can unload automatically to transport object
AGV trolleies.
In order to solve the above technical problems, AGV trolleies provided by the invention include AGV car bodies, vehicle-mounted AGV control systems, dress
It carries compartment and tilting device, the tilting device is installed on the AGV car bodies, the loading carriage is rotatably connected to described
On AGV car bodies, the tilting device is set close to the loading carriage, and the tilting device is used to that the loading carriage to be promoted to turn
Dynamic, the AGV car bodies, the tilting device connect respectively with the vehicle-mounted AGV control systems communication.
Optionally, the AGV car bodies are equipped with magnetic navigation sensor, and the magnetic navigation sensor is controlled with the vehicle-mounted AGV
System communication connection processed.
Optionally, the loading carriage is connected through the hinge with the AGV car bodies.
Further, the tilting device includes the first pneumatic cylinder, pulsometer and motor, and first pneumatic cylinder is located at institute
The lower section of loading carriage is stated, first pneumatic cylinder is connected by the first tracheae with the pulsometer, first pulsometer and institute
Motor drive connection is stated, the pulsometer, the motor are connected with the vehicle-mounted AGV control systems communication.
Further, the loading carriage is rotatably connected to by connector on the piston rod of first pneumatic cylinder.
Further, the top of the AGV car bodies is equipped with accommodating chamber, first pneumatic cylinder, the pulsometer and described
Motor is respectively positioned in the accommodating chamber, and the loading carriage is mounted on the top of the side wall of the accommodating chamber.
Optionally, supporting block is equipped in the accommodating chamber, one end of the supporting block is connected to the accommodating chamber bottom, institute
The other end for stating supporting block is contacted with the bottom of the loading carriage.
Further, the loading carriage includes side plate, bottom plate and movable plate, and each side plate is connected to the four of the bottom plate
Around into a uncovered carriage body, the movable plate is movably attached between each side plate, the movable plate with it is described
Lifting gear is equipped between bottom plate, the lifting gear is used to that the movable plate to be promoted to move.
Optionally, the lifting gear includes the second pneumatic cylinder, and second pneumatic cylinder is fixed on the bottom plate, and institute
The lower section that the second pneumatic cylinder is located at the movable plate is stated, second cylinder is connected by the second tracheae with the pulsometer.
Optionally, the top end of the loading carriage is equipped with gas nozzle, and the gas nozzle is connected by the 3rd tracheae and the pulsometer
It is logical.
Beneficial effects of the present invention are as follows:
1st, the present invention sets loading carriage on the car body of AGV trolleies, transport object is placed in loading carriage, AGV trolleies pass through
The control autonomous of vehicle-mounted AGV control systems is to destination, and the tilting device on AGV car bodies is in AGV control systems
Control under, the loading carriage being rotatably connected with AGV car bodies is rotated into certain angle, makes the one side of loading carriage higher than another
Side allows transport object to be automatically fallen off under gravity out of loading carriage, realizes the automatic unloading of transport object.
2nd, it is equipped in loading carriage of the invention and mobile movable plate is promoted by lifting gear, can be given in loading carriage
Object is transported there are one upward thrust, is conducive to improve and topples over efficiency, loading carriage inner wall can also be cleared up, and loading carriage can be made
Also transport object can all be unloaded when rotational angle is smaller.The top of the loading carriage of the present invention is additionally provided with gas nozzle, works as movable plate
When being raised to top, air-flow can be generated, movable plate is cleaned.Supporting block is additionally provided between loading carriage and AGV car bodies, it can be with
Mitigate AGV vehicle body frames support pressure, and the support for being supplied to loading carriage enough.
Description of the drawings
Fig. 1 is the front view of the AGV trolleies of the present invention.
Fig. 2 is the top view of AGV trolleies of the present invention.
Fig. 3 is the top view of A-A in Fig. 1.
Fig. 4 is the top view of B-B in Fig. 1.
Wherein, 1, AGV car bodies;2nd, loading carriage;3rd, magnetic navigation sensor;4th, accommodating chamber;5th, motor;6th, pulsometer;7th,
One pneumatic cylinder;8th, the first tracheae;9th, first axle;10th, second hinge;11st, supporting block;12nd, bottom plate;13rd, side plate;14th, it is movable
Plate;15th, the second pneumatic cylinder;16th, the second tracheae;17th, gas nozzle;18th, the 3rd tracheae;19th, flange is toppled over.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment belongs to the scope of protection of the invention.
Referring to Fig. 1 to Fig. 4, AGV refers to Automated Guided Vehicle, abbreviation AGV, and also commonly referred to as AGV is small
Vehicle, refer to equipped with electricity magnetically or optically wait homing guidances device, can travel along defined guide path, with safeguard protection with
And the transport vehicle of various transfer functions.The AGV trolleies of the present embodiment include AGV car bodies 1, vehicle-mounted AGV control systems, loading carriage 2
And tilting device, loading carriage 2 are rotatably installed on the top of AGV car bodies, tilting device is mounted on AGV car bodies 1, and is toppled over
Device is located at the lower section of loading carriage 2, and tilting device is used for the rotation in propelling loading compartment 2, AGV car bodies 1, tilting device with it is vehicle-mounted
The communication connection of AGV control systems.In the present embodiment, tilting device includes motor 5,6 and first pneumatic cylinder 7 of pulsometer, AGV vehicles
Body is equipped with accommodating chamber 4, and motor 5,6 and first pneumatic cylinder 7 of pulsometer are respectively positioned in accommodating chamber 4, and loading carriage 2 is located at accommodating chamber 4
Top, the bottom of loading carriage 2 is connected by first axle 9 with the side wall of accommodating chamber 4, and pulsometer 6 is drivingly connected with motor 5,
And pulsometer 6, motor 5 are communicated with vehicle-mounted AGV control systems and connected, the first pneumatic cylinder 7 passes through the first tracheae 8 and pulsometer 6
Connection, the cylinder body of the first pneumatic cylinder 7 are fixed on 4 bottom of accommodating chamber, and loading carriage 2 is rotatably connected to the first gas by connector
On the piston rod of cylinder pressure 7, the connector of the present embodiment is second hinge, and the bottom of AGV car bodies is equipped with magnetic navigation sensor 3, magnetic
Navigation sensor 3 is connected with the communication of vehicle-mounted AGV control systems, and navigation magnetic strip information is transmitted to vehicle by magnetic navigation sensor 3
AGV control systems are carried, vehicle-mounted AGV control systems control AGV trolleies, and vehicle-mounted AGV control systems start along track row to destination
Motor 5 drives pulsometer 6 to work, then makes what pulsometer 6 was connected with the first pneumatic cylinder 7 by the control of vehicle-mounted AGV control systems
Valve is opened, and air-flow is entered by the first tracheae 8 in the cylinder body of first pneumatic cylinder 7, and the piston rod of the first pneumatic cylinder 7 carries upwards
It rises, so that the one side of loading carriage 2 is slowly risen, while loading carriage 2 is rotated around first axle 9 and second hinge 10, makes loading
The formation high one side in one side of compartment 2 is low, and the transport object of loading carriage 2 will fall automatically under gravity, and realization unloads carrying automatically
Defeated object.In addition, being additionally provided with supporting block 11 in accommodating chamber 4, loading carriage 2 can be given to provide support, heavier object can be loaded, simultaneously
Mitigate the support pressure of the side wall of accommodating chamber 4, protection AGV car bodies 1.After transport object has been toppled over, vehicle-mounted AGV control systems stop
The work of motor 5 and pulsometer 6, the first pneumatic cylinder 7 restore, and loading carriage 2 also returns to original position.
In addition, the loading carriage 2 of the present embodiment includes bottom plate 12, side plate 13 and movable plate 14,2 He of loading carriage of the present embodiment
AGV car bodies are rectangular parallelepiped structure, so the surrounding that four blocks of side plates 13 are connected to bottom plate 12 surrounds the carriage body of uncovered, the first air pressure
Cylinder 7 is located at the lower section of bottom plate 12, and movable plate 14 is movably attached between each side plate 13,14 shape of movable plate in the present embodiment
Shape size is identical with bottom plate 12 and parallel to bottom plate 12, lifting gear is equipped between movable plate 14 and bottom plate 12, lifting gear is used
It is moved in promoting movable plate 14.The lifting gear of the present embodiment includes four the second identical pneumatic cylinders 15, the second pneumatic cylinder 15
Cylinder body be fixed on bottom plate 12, and the second pneumatic cylinder 15 is located at the lower section of movable plate 14, and the second pneumatic cylinder 15 passes through the second gas
Pipe 16 is connected with pulsometer 6, the valve for being connected the second pneumatic cylinder 15 with pulsometer 6 by the control of vehicle-mounted AGV control systems
It opens, air-flow is entered by the second tracheae 16 in the cylinder body of second pneumatic cylinder 15, and the piston rod of the second pneumatic cylinder 15 up moves,
Movable plate 14 is jacked up, the object for being placed on loading carriage 2 slowly can up be pushed away, is conducive to improve and topples over efficiency, can also clear up
Loading carriage inner wall, and loading carriage 2 can be made also all to unload transport object when rotational angle is smaller.
The present embodiment is also equipped with multiple gas nozzles 17 on the top of loading carriage 2, and gas nozzle 17 passes through the 3rd tracheae 18 and pulsometer 6
Connection, the valve for being connected gas nozzle 17 with pulsometer 6 by the control of vehicle-mounted AGV control systems are opened, and air-flow passes through the 3rd gas
Pipe 18 is sprayed out of gas nozzle 17, and when movable plate is raised to top, movable plate can be cleaned.In addition, the top of loading carriage 2 is set
Have and topple over flange 19, topple over flange 19 and be located at one side that transport object is fallen, when it is liquid material to transport object, liquid material can be controlled to fall
Under direction, will not spill everywhere.
The loading carriage of the present invention is rotatably connected on AGV car bodies, transport object is placed in loading carriage, trolley is vehicle-mounted
Loading carriage is rotated certain angle, makes loading carriage by autonomous to destination, tilting device under the control of AGV control systems
One side is higher than opposite side, and transport object is allowed to be automatically fallen off under gravity out of loading carriage, realizes the automatic unloading of transport object.
It should be appreciated that various information, but these information are described using term " first ", " second " etc. in the present invention
These terms are should not necessarily be limited by, these terms are only used for same type of information being distinguished from each other out.For example, the present invention is not being departed from
In the case of scope, " first " information can also be referred to as " second " information, similar, and " second " information can also be referred to as
" first " information.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement and deformation can also be made, these are improved and deformation is also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of AGV trolleies, which is characterized in that including AGV car bodies, vehicle-mounted AGV control systems, loading carriage and tilting device, institute
It states tilting device to be installed on the AGV car bodies, the loading carriage is rotatably connected on the AGV car bodies, described to topple over
Device is set close to the loading carriage, and the tilting device is for promoting the loading carriage to rotate, the AGV car bodies, described
Tilting device connects respectively with the vehicle-mounted AGV control systems communication.
2. AGV trolleies as described in claim 1, which is characterized in that the AGV car bodies are equipped with magnetic navigation sensor, described
Magnetic navigation sensor is connected with the vehicle-mounted AGV control systems communication.
3. AGV trolleies as described in claim 1, which is characterized in that the loading carriage is connected with the AGV car bodies by hinge
It connects.
4. AGV trolleies as described in claim 1, which is characterized in that the tilting device include the first pneumatic cylinder, pulsometer and
Motor, first pneumatic cylinder are located at the lower section of the loading carriage, and first pneumatic cylinder passes through the first tracheae and the air pressure
Pump connection, first pulsometer are drivingly connected with the motor, and the pulsometer, the motor are controlled with the vehicle-mounted AGV
System communication connection processed.
5. AGV trolleies as claimed in claim 4, which is characterized in that the loading carriage is rotatably connected to by connector
On the piston rod of first pneumatic cylinder.
6. AGV trolleies as claimed in claim 4, which is characterized in that the top of the AGV car bodies is equipped with accommodating chamber, and described the
One pneumatic cylinder, the pulsometer and the motor are respectively positioned in the accommodating chamber, and the loading carriage is mounted on the accommodating chamber
The top of side wall.
7. AGV trolleies as claimed in claim 6, which is characterized in that supporting block is equipped in the accommodating chamber, the supporting block
One end is connected to the accommodating chamber bottom, and the other end of the supporting block is contacted with the bottom of the loading carriage.
8. AGV trolleies as described in claim 1, which is characterized in that the loading carriage includes side plate, bottom plate and movable plate, respectively
The surrounding that the side plate is connected to the bottom plate surrounds the carriage body of a uncovered, and the movable plate is movably attached each described
Between side plate, lifting gear is equipped between the movable plate and the bottom plate, the lifting gear is used to promote the movable plate
It is mobile.
9. AGV trolleies as claimed in claim 8, which is characterized in that the lifting gear include the second pneumatic cylinder, described second
Pneumatic cylinder is fixed on the bottom plate, and second pneumatic cylinder is located at the lower section of the movable plate, and second cylinder passes through
Second tracheae is connected with the pulsometer.
10. AGV trolleies as claimed in claim 8, which is characterized in that the top end of the loading carriage is equipped with gas nozzle, the gas
Mouth is connected by the 3rd tracheae with the pulsometer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711490716.4A CN108045457B (en) | 2017-12-30 | 2017-12-30 | AGV dolly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711490716.4A CN108045457B (en) | 2017-12-30 | 2017-12-30 | AGV dolly |
Publications (2)
Publication Number | Publication Date |
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CN108045457A true CN108045457A (en) | 2018-05-18 |
CN108045457B CN108045457B (en) | 2023-12-05 |
Family
ID=62129932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711490716.4A Active CN108045457B (en) | 2017-12-30 | 2017-12-30 | AGV dolly |
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CN (1) | CN108045457B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109435811A (en) * | 2018-11-29 | 2019-03-08 | 山东科技大学 | Hydraulic lifting bobbin type shelf in a kind of compartment |
CN111792257A (en) * | 2020-07-20 | 2020-10-20 | 广州市华星电器有限公司 | Intelligent logistics device for logistics cabin |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050244259A1 (en) * | 2004-05-03 | 2005-11-03 | Chilson Gerald E | Automatic transport loading system and method |
CN201276319Y (en) * | 2008-09-11 | 2009-07-22 | 李文喜 | Collecting and transfer trolley for domestic garbage |
CN202686066U (en) * | 2012-05-24 | 2013-01-23 | 成都思茂科技有限公司 | Van carriage convenient for unloading |
CN104386109A (en) * | 2014-11-11 | 2015-03-04 | 安徽安庆南风日化有限责任公司 | Self-lifting transport trolley |
CN205075864U (en) * | 2015-10-16 | 2016-03-09 | 东旭(营口)光电显示有限公司 | That transports garrulous glass emptys formula dolly |
CN205229804U (en) * | 2015-12-25 | 2016-05-11 | 朱楷 | Intelligent movement dolly control system , management system and intelligent movement dolly |
CN205589049U (en) * | 2016-05-12 | 2016-09-21 | 德州职业技术学院 | Guide tracked automation structure of unloading |
CN206125226U (en) * | 2016-09-21 | 2017-04-26 | 东莞市日博机电科技有限公司 | AGV car |
CN107499215A (en) * | 2017-08-02 | 2017-12-22 | 戚华军 | A kind of dumper unloading servicing unit |
CN207955837U (en) * | 2017-12-30 | 2018-10-12 | 广东技术师范学院 | A kind of AGV trolleies |
-
2017
- 2017-12-30 CN CN201711490716.4A patent/CN108045457B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050244259A1 (en) * | 2004-05-03 | 2005-11-03 | Chilson Gerald E | Automatic transport loading system and method |
CN201276319Y (en) * | 2008-09-11 | 2009-07-22 | 李文喜 | Collecting and transfer trolley for domestic garbage |
CN202686066U (en) * | 2012-05-24 | 2013-01-23 | 成都思茂科技有限公司 | Van carriage convenient for unloading |
CN104386109A (en) * | 2014-11-11 | 2015-03-04 | 安徽安庆南风日化有限责任公司 | Self-lifting transport trolley |
CN205075864U (en) * | 2015-10-16 | 2016-03-09 | 东旭(营口)光电显示有限公司 | That transports garrulous glass emptys formula dolly |
CN205229804U (en) * | 2015-12-25 | 2016-05-11 | 朱楷 | Intelligent movement dolly control system , management system and intelligent movement dolly |
CN205589049U (en) * | 2016-05-12 | 2016-09-21 | 德州职业技术学院 | Guide tracked automation structure of unloading |
CN206125226U (en) * | 2016-09-21 | 2017-04-26 | 东莞市日博机电科技有限公司 | AGV car |
CN107499215A (en) * | 2017-08-02 | 2017-12-22 | 戚华军 | A kind of dumper unloading servicing unit |
CN207955837U (en) * | 2017-12-30 | 2018-10-12 | 广东技术师范学院 | A kind of AGV trolleies |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109435811A (en) * | 2018-11-29 | 2019-03-08 | 山东科技大学 | Hydraulic lifting bobbin type shelf in a kind of compartment |
CN111792257A (en) * | 2020-07-20 | 2020-10-20 | 广州市华星电器有限公司 | Intelligent logistics device for logistics cabin |
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