CN110562879A - A gasbag formula lifting devices for AGV dolly - Google Patents
A gasbag formula lifting devices for AGV dolly Download PDFInfo
- Publication number
- CN110562879A CN110562879A CN201910880943.0A CN201910880943A CN110562879A CN 110562879 A CN110562879 A CN 110562879A CN 201910880943 A CN201910880943 A CN 201910880943A CN 110562879 A CN110562879 A CN 110562879A
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- CN
- China
- Prior art keywords
- air bag
- lifting
- plate
- air
- agv
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses an air bag type lifting device for an AGV (automatic guided vehicle), which comprises a base plate, a jacking mechanism and a lifting plate, wherein the base plate is fixed on an AGV body; the jacking mechanism comprises an inner shell and an outer shell which are hollow inside and an air bag, the lower end of the inner shell is fixed on the upper surface of the substrate, and the upper end of the inner shell is open; the lower end of the air bag is arranged in the inner shell, an air charging and discharging port is led out of the air bag, the air charging and discharging port can be respectively communicated with an air pump and the outside atmosphere, and the air pump is connected with a motor; the lower end of the outer shell is opened and is covered on the upper part of the inner shell; the upper end of the outer shell is connected with the lower surface of the lifting plate. The invention has the beneficial effects that: utilize the lift of the board of lifting of the realization of inflating exhaust of gasbag, device simple structure, height are lower, can reduce AGV automobile body height, and gasbag lifting surface is big, and the load-carrying capacity is than stronger, operates steadily, and whole flexibility is great, has better shock-absorbing performance.
Description
Technical Field
The invention relates to the technical field of logistics equipment, in particular to an air bag type lifting device for an AGV.
Background
In order to improve the automation degree and the production efficiency of factories, intelligent logistics technology is increasingly widely applied to modern industrial production. The AGV trolley is used as an important component in an intelligent logistics system, and the technical development of the AGV trolley is more and more emphasized. An AGV cart is also called an automatic guided vehicle, and is a transport cart equipped with an electromagnetic or optical automatic guide device, capable of traveling along a predetermined guide path, and having functions such as load transfer, automatic navigation, and automatic charging. At present, a lifting device of the AGV mostly adopts a hydraulic rigid mechanism, a cylinder rigid mechanism or a scissor rigid mechanism, has the problems of relatively complex structure, large occupied space height, unstable operation and the like, and is not suitable for a hidden AGV with lower requirement on the height of a vehicle body. Therefore, it is desirable to develop a jacking mechanism with a low height and good cushioning and stability.
Disclosure of Invention
The invention aims to provide an air bag type lifting device for an AGV, which has the advantages of simple structure, lower space height and stable operation and is used for overcoming the defects of the prior art.
The technical scheme adopted by the invention is as follows: an air bag type lifting device for an AGV comprises a base plate, a jacking mechanism and a lifting plate, wherein the base plate is fixed on an AGV body; the jacking mechanism comprises an inner shell and an outer shell which are hollow inside and an air bag, the lower end of the inner shell is fixed on the upper surface of the substrate, and the upper end of the inner shell is open; the lower end of the air bag is arranged in the inner shell, an air charging and discharging port is led out of the air bag, the air charging and discharging port can be respectively communicated with an air pump and the outside atmosphere, and the air pump is connected with a motor; the lower end of the outer shell is opened and is covered on the upper part of the inner shell; the upper end of the outer shell is connected with the lower surface of the lifting plate; the motor drives the air pump to inflate or exhaust the air bag, and when the air bag is inflated and expanded, the outer shell and the lifting plate can be pushed to move upwards; when the air bag is exhausted and retracted, the outer shell and the lifting plate are driven to move downwards.
According to the scheme, the lifting device is further provided with a three-position electromagnetic valve, and when the three-position electromagnetic valve is switched to the first position, the air pump is communicated with the air bag; when the three-position electromagnetic valve is switched to the second position, the air bag is communicated with the outside atmosphere; when the three-position electromagnetic valve is switched to the third position, the internal pressure of the air bag is kept stable.
According to the scheme, the lifting device further comprises a plurality of groups of guide mechanisms arranged on the periphery of the jacking mechanism, each guide mechanism comprises a sliding block and a linear guide rail matched with the sliding block, and the sliding blocks can slide up and down along the linear guide rails; the linear guide rail is vertically fixed on the lower mounting plate, and the bottom of the lower mounting plate is fixed on the substrate; the sliding block is arranged on the upper mounting plate, and the top of the upper mounting plate is fixedly connected with the lower surface of the lifting plate; when the lifting plate rises or falls, the sliding block slides upwards or downwards along the linear guide rail, and the moving direction of the sliding block is consistent with that of the lifting plate.
According to the scheme, the lifting device further comprises a controller, wherein the controller is respectively connected with the motor and the three-position electromagnetic valve and controls the motor and the three-position electromagnetic valve to operate.
According to the scheme, the lifting device is further provided with an upper limit position sensor and a lower limit position sensor which are respectively connected with the controller, and the upper limit position sensor and the lower limit position sensor are both fixed on the lower mounting plate.
According to the scheme, the inner shell and the outer shell can be barrel structures matched with each other and can also be square tubular column structures matched with each other, wherein the inner diameter of the outer shell is larger than the outer diameter of the inner shell.
According to the scheme, the back of the lower mounting plate is supported by the lower support plate in an auxiliary manner; the back of the upper mounting plate is supported by the upper supporting plate in an auxiliary way.
The invention has the beneficial effects that: the lifting device realizes the lifting of the lifting plate by utilizing the inflation and the deflation of the air bags, so that the goods vertically ascend and descend to achieve the purpose of carrying the goods; when the air bag lifting device is not lifted, the air bag is small in size, the height of the auxiliary mechanism is low, and the height of the AGV body can be effectively reduced; the lifting device is lifted through the air bag, compared with an air cylinder type lifting mechanism, the air bag is large in stress area, strong in load carrying capacity, good in horizontal stability and stable in lifting, and the whole device is large in flexibility and good in shock absorption performance. The invention additionally designs a plurality of groups of guide mechanisms for assisting in guiding and supporting, thereby further improving the reliability and stability of the mechanism. The invention has simple and reasonable structure and good feasibility and can be used in a plurality of fields.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a sectional view of the jack mechanism in this embodiment.
Wherein: 1. a lifting plate; 2. a substrate; 3. an outer housing; 4. an inner housing; 5. an air pump; 6. a motor; 7. an air charging and discharging port; 8. an upper mounting plate; 9. a slider; 10. a lower mounting plate; 11. a linear guide rail; 12. an air bag; 13. an upper limit position sensor; 14. a lower extreme position sensor.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description of the invention in connection with the accompanying drawings and specific examples.
An gasbag formula lifting devices for AGV dolly as shown in fig. 1 and 2, including base plate 2, jacking mechanism and lift board 1, base plate 2 is fixed in on the AGV automobile body (accessible bolted connection), the upper surface of base plate 2 is located to the stiff end of jacking mechanism, and the expansion end of jacking mechanism links to each other with the lower surface of lifting board 1. In the invention, the base plate 2 is used for supporting and fixing the jacking mechanism, and the lifting plate 1 is used for bearing goods.
Preferably, the jacking mechanism comprises an inner shell 4 and an outer shell 3 which are hollow inside, and an air bag 12, wherein the lower end of the inner shell 4 is fixed on the base plate 2 (can be welded), and the upper end of the inner shell 4 is open; the lower end of the air bag 12 is arranged in the inner shell 4, an air charging and discharging port 7 is led out of the air bag 12, the air charging and discharging port 7 can be respectively communicated with the air pump 5 and the outside atmosphere, the air pump 5 is connected with the motor 6, and the motor 6 is fixed on the substrate 2; the lower end of the outer shell 3 is open and is covered on the upper part of the inner shell 4 (the inner size of the outer shell 3 is larger than the outer size of the inner shell 4); the upper end of the outer shell 3 is connected (welded) with the lower surface of the lifting plate 1; the motor 6 drives the air pump 5 to inflate or exhaust the air bag 12, and when the air bag 12 is inflated and expanded, the outer shell 3 and the lifting plate 1 can be pushed to move upwards; when the air bag 12 is exhausted and retracted, the outer shell 3 and the lifting plate 1 are driven to move downwards. Preferably, the inner housing 4 is adapted to the outer housing 3 and can slide relative to each other in the vertical direction.
In the invention, the inner shell 4 and the outer shell 3 can be both of mutually adaptive cylinder structures and can also be both of mutually adaptive square tubular structures, wherein the inner diameter of the outer shell 3 is larger than the outer diameter of the inner shell 4.
In the invention, the lifting device is also provided with a three-position electromagnetic valve for controlling the air intake and exhaust of the air bag 12: the first position of the three-position electromagnetic valve is used for communicating the air pump 5 and the air bag 12, the second position is used for communicating the air bag 12 and the outside atmosphere, the third position is provided with a blocking structure, and when the three-position electromagnetic valve is switched to the first position, the air pump 5 is communicated with the air bag 12 and can be inflated; when the three-position electromagnetic valve is switched to the second position, the air bag 12 is communicated with the outside atmosphere and can exhaust air; when the three-position solenoid valve is switched to the third position (the third position is equivalent to the end socket), the internal pressure of the air bag 12 is kept stable. When the lifting plate rises, the motor 6 drives the air pump 5 to work, and the three-position electromagnetic valve is communicated with the air pump 5 and the air bag 12, so that the air bag 12 is inflated to drive the lifting plate 1 to rise; the jacking mechanism rises to a specified height, when goods are lifted, the motor 6 and the air pump 5 stop working, the three-position electromagnetic valve enables the air pump 5 to be disconnected from the air bag 12, the air bag 12 stops inflating, and air pressure is kept; when the jacking mechanism descends, the motor 6 and the air pump 5 stop working, the three-position electromagnetic valve enables the air charging and discharging port 7 of the air bag 12 to be communicated with the atmosphere, and the air bag 12 discharges air to enable the lifting plate 1 to descend.
Preferably, the lifting device further comprises a plurality of groups of guide mechanisms arranged around the jacking mechanism, each guide mechanism comprises a sliding block 9 and a linear guide rail 11 (which can be a rolling linear guide rail) matched with the sliding block, and the sliding blocks 9 can slide up and down along the linear guide rails 11; the linear guide rail 11 is vertically fixed on the lower mounting plate 10 (can be connected through screws or bolts), the bottom of the lower mounting plate 10 is fixed on the substrate 2 (can be welded), and the back of the lower mounting plate 10 is supported by the lower support plate in an auxiliary manner; the sliding block 9 is arranged on the upper mounting plate 8 (can be connected through screws or bolts), the top of the upper mounting plate 8 is fixedly connected (can be welded) with the lower surface of the lifting plate 1, and the back of the upper mounting plate 8 is supported by the upper supporting plate in an auxiliary mode; when the lifting plate 1 ascends or descends, the slide block 9 slides upwards or downwards along the linear guide rail 11, and the moving direction of the slide block 9 is consistent with the moving direction of the lifting plate 1.
Preferably, the lifting device further comprises a controller, and the controller is respectively connected with the motor 6 and the three-position electromagnetic valve and controls the operation of the motor 6 and the three-position electromagnetic valve.
Preferably, the lifting device is further provided with an upper limit position sensor 13 and a lower limit position sensor 14 which are respectively connected with a controller, the upper limit position sensor 13 and the lower limit position sensor 14 are both fixed on the lower mounting plate 10, when the lifting plate 1 rises to be close to the upper limit position, the upper limit position sensor 13 sends an upper limit position signal to the controller, the controller receives the upper limit position signal and sends a control instruction to the motor 6 and the three-position electromagnetic valve, so that the motor 6 stops working, meanwhile, the three-position electromagnetic valve is disconnected between the air pump 5 and the air bag 12, the air bag 12 stops inflating, and air pressure is kept; when the lifting plate 1 descends to approach to the lower limit position, the lower limit position sensor 14 sends a lower limit position signal to the controller, the controller receives the lower limit position signal and sends a control signal to the three-position electromagnetic valve, the three-position electromagnetic valve disconnects the air bag 12 from the atmosphere, and the air bag 12 stops exhausting.
In this embodiment, the substrate 2 and the lifting plate 1 are both of square plate structures, and the inner shell 4 and the outer shell 3 are both of cylindrical structures which are hollow inside and open at two ends; the four guide mechanisms are distributed at four corners of the substrate 2 and can also be circumferentially and uniformly arranged at intervals by taking the axis of the inner shell 4 as a center.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (7)
1. An air bag type lifting device for an AGV trolley is characterized by comprising a base plate, a lifting mechanism and a lifting plate, wherein the base plate is fixed on an AGV trolley body; the jacking mechanism comprises an inner shell and an outer shell which are hollow inside and an air bag, the lower end of the inner shell is fixed on the upper surface of the substrate, and the upper end of the inner shell is open; the lower end of the air bag is arranged in the inner shell, an air charging and discharging port is led out of the air bag, the air charging and discharging port can be respectively communicated with an air pump and the outside atmosphere, and the air pump is connected with a motor; the lower end of the outer shell is opened and is covered on the upper part of the inner shell; the upper end of the outer shell is connected with the lower surface of the lifting plate; the motor drives the air pump to inflate the air bag, and when the air bag is inflated and inflated, the outer shell and the lifting plate can be pushed to move upwards; when the air bag is exhausted and retracted, the outer shell and the lifting plate are driven to move downwards.
2. The air bag type lifting device for the AGV according to claim 1, wherein the lifting device further comprises a three-position solenoid valve, and when the three-position solenoid valve is switched to the first position, the air pump is communicated with the air bag; when the three-position electromagnetic valve is switched to the second position, the air bag is communicated with the outside atmosphere; when the three-position electromagnetic valve is switched to the third position, the internal pressure of the air bag is kept stable.
3. The air bag type lifting device for an AGV according to claim 1, further comprising a plurality of sets of guide mechanisms disposed around the lifting mechanism, wherein each guide mechanism comprises a slider and a linear guide adapted to the slider, and the slider can slide up and down along the linear guide; the linear guide rail is vertically fixed on the lower mounting plate, and the bottom of the lower mounting plate is fixed on the substrate; the sliding block is arranged on the upper mounting plate, and the top of the upper mounting plate is fixedly connected with the lower surface of the lifting plate; when the lifting plate rises or falls, the sliding block slides upwards or downwards along the linear guide rail, and the moving direction of the sliding block is consistent with that of the lifting plate.
4. The air bag lift system for an AGV cart of claim 2 further including a controller connected to the motor and the three position solenoid valve to control operation of the motor and the three position solenoid valve.
5. An air bag lift assembly for an AGV cart according to claim 3 further including upper and lower limit position sensors respectively connected to the controller, both of which are secured to the lower mounting plate.
6. The air bag type lifting device for an AGV according to claim 1, wherein the inner and outer housings are both of a cylindrical structure and a square tubular structure, and the inner diameter of the outer housing is larger than the outer diameter of the inner housing.
7. The air bag lift assembly for an AGV cart of claim 3 wherein the back of the lower mounting plate is assisted by a lower support plate; the back of the upper mounting plate is supported by the upper supporting plate in an auxiliary way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880943.0A CN110562879A (en) | 2019-09-18 | 2019-09-18 | A gasbag formula lifting devices for AGV dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880943.0A CN110562879A (en) | 2019-09-18 | 2019-09-18 | A gasbag formula lifting devices for AGV dolly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110562879A true CN110562879A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910880943.0A Pending CN110562879A (en) | 2019-09-18 | 2019-09-18 | A gasbag formula lifting devices for AGV dolly |
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| Country | Link |
|---|---|
| CN (1) | CN110562879A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824509A (en) * | 2020-07-15 | 2020-10-27 | 浙江立镖机器人有限公司 | Cargo loading and conveying system |
| CN112357818A (en) * | 2020-11-27 | 2021-02-12 | 德清县下舍五金机械厂 | Production conveyer of high pressure sprayer |
| CN113110427A (en) * | 2021-03-30 | 2021-07-13 | 杭州艾美依航空制造装备有限公司 | AGV-based flexible positioning device and method for main starting fairing attitude adjusting platform |
| CN113526411A (en) * | 2021-09-02 | 2021-10-22 | 浙江大丰实业股份有限公司 | Heavy load carrying device applied to stage equipment |
| CN113735021A (en) * | 2021-08-12 | 2021-12-03 | 江阴名鸿车顶系统有限公司 | Shuttle car elevating gear |
| CN114313724A (en) * | 2021-11-25 | 2022-04-12 | 北京特种机械研究所 | AGV jacking positioning system is transported in storage |
| CN115159390A (en) * | 2022-06-23 | 2022-10-11 | 北京航天发射技术研究所 | Large-scale flexible lifting device |
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| CN104865080A (en) * | 2015-06-13 | 2015-08-26 | 吉林大学 | Rocker arm lifting device capable of realizing unpowered locking at apex |
| CN104944318A (en) * | 2015-05-12 | 2015-09-30 | 中国民航大学 | Shears-fork type lifting mechanism |
| CN109828567A (en) * | 2019-02-14 | 2019-05-31 | 安徽宇锋智能科技有限公司 | A kind of AGV storage transfer robot based on laser navigation |
| CN209226517U (en) * | 2018-12-28 | 2019-08-09 | 福建工程学院 | A kind of AGV trolley of band flexibility lifting |
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2019
- 2019-09-18 CN CN201910880943.0A patent/CN110562879A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944318A (en) * | 2015-05-12 | 2015-09-30 | 中国民航大学 | Shears-fork type lifting mechanism |
| CN104865080A (en) * | 2015-06-13 | 2015-08-26 | 吉林大学 | Rocker arm lifting device capable of realizing unpowered locking at apex |
| CN209226517U (en) * | 2018-12-28 | 2019-08-09 | 福建工程学院 | A kind of AGV trolley of band flexibility lifting |
| CN109828567A (en) * | 2019-02-14 | 2019-05-31 | 安徽宇锋智能科技有限公司 | A kind of AGV storage transfer robot based on laser navigation |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824509A (en) * | 2020-07-15 | 2020-10-27 | 浙江立镖机器人有限公司 | Cargo loading and conveying system |
| CN112357818A (en) * | 2020-11-27 | 2021-02-12 | 德清县下舍五金机械厂 | Production conveyer of high pressure sprayer |
| CN113110427A (en) * | 2021-03-30 | 2021-07-13 | 杭州艾美依航空制造装备有限公司 | AGV-based flexible positioning device and method for main starting fairing attitude adjusting platform |
| CN113735021A (en) * | 2021-08-12 | 2021-12-03 | 江阴名鸿车顶系统有限公司 | Shuttle car elevating gear |
| CN113526411A (en) * | 2021-09-02 | 2021-10-22 | 浙江大丰实业股份有限公司 | Heavy load carrying device applied to stage equipment |
| CN113526411B (en) * | 2021-09-02 | 2023-02-28 | 浙江大丰实业股份有限公司 | Heavy load carrying device applied to stage equipment |
| CN114313724A (en) * | 2021-11-25 | 2022-04-12 | 北京特种机械研究所 | AGV jacking positioning system is transported in storage |
| CN115159390A (en) * | 2022-06-23 | 2022-10-11 | 北京航天发射技术研究所 | Large-scale flexible lifting device |
| CN115159390B (en) * | 2022-06-23 | 2024-04-05 | 北京航天发射技术研究所 | Large-scale flexible lifting device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |
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| RJ01 | Rejection of invention patent application after publication |