CN116495665A - Self-balancing movable lifting table - Google Patents
Self-balancing movable lifting table Download PDFInfo
- Publication number
- CN116495665A CN116495665A CN202310234903.5A CN202310234903A CN116495665A CN 116495665 A CN116495665 A CN 116495665A CN 202310234903 A CN202310234903 A CN 202310234903A CN 116495665 A CN116495665 A CN 116495665A
- Authority
- CN
- China
- Prior art keywords
- bearing transverse
- article bearing
- lifting
- transverse frame
- frames
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical 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
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Warehouses Or Storage Devices (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a self-balancing movable lifting platform, which comprises two lifting frames, wherein each lifting frame consists of an article bearing transverse frame capable of moving up and down and a standing frame sleeved at two ends of the article bearing transverse frame respectively, a lifting device for driving the article bearing transverse frame to move is arranged in the standing frame, and universal wheels are also arranged at the bottom of the article bearing transverse frame; an angle displacement sensor is fixedly arranged at the upper end of the middle part of the article bearing transverse frame, a heavy hammer and a reflecting plate which are opposite to the angle displacement sensor are arranged at the lower end of the middle part of the article bearing transverse frame, the upper end of the heavy hammer is hinged to the article bearing transverse frame, the angle displacement sensor and a lifting device are electrically connected with an electric control system, the two article bearing transverse frames are used for bearing and lifting the goods, the whole self-balancing movable lifting platform is pushed by an AGV, and the electric control system judges the offset direction and the offset of the heavy hammer through the angle displacement sensor so as to control the lifting frame to keep horizontal in the moving process. Simple structure and low production, manufacture and maintenance cost.
Description
Technical Field
The invention relates to the technical field of logistics equipment, in particular to a self-balancing movable lifting table with a simple structure.
Background
One of the scenes of logistics is factories and mines, and the ground of the logistics is generally uneven ground with the unevenness of more than +/-10 mm, the gradient of 2 degrees to 3 degrees and the like. At present, the following three modes are adopted for carrying out the transfer and the transportation of the heavy objects in the scene: 1. and (3) hanging: lifting a heavy object by winding a steel cable by means of an electric hoist; the heavy-load crane is required to be arranged on a guide rail or a portal frame and cannot be used across areas; 2. fixed lifter: the hydraulic pump provides power to drive the hydraulic cylinder to lift the bracket; the lifting machine needs to be fixed at one place; 3. fork truck: the occupied area is large, and no heavy load using condition exists; the three methods have the common defects of large occupied area and inflexibility. Later people adopt AGVs to carry out heavy object transportation, for example, chinese patent publication No. CN112498520A discloses a piggyback roller way self-balancing AGV, and it includes the AGV automobile body, arranges the AGV roller way of AGV automobile body top in, is equipped with on the AGV automobile body of AGV roller way below and is used for adjusting the AGV roller way and lifts leveling subassembly and restriction to lift the centering subassembly of leveling subassembly central line parallel with the horizontal plane under different road conditions. According to the invention, the AGV body is provided with the lifting and leveling assembly and the centering assembly, so that the requirements of the AGV on various height butt joints can be met, the lifting and leveling assembly is controlled by the inclination angle sensor and the gyroscope, the lifting platform is parallel to the horizontal plane under different road conditions, and the ground flatness requirement of the AGV walking area is reduced.
The AGV is small in size, practical and flexible, but is complex in structure, high in production and maintenance cost, particularly, the gyroscope capable of sensing the horizontal state belongs to a precise instrument, is high in price and is difficult to maintain, and small cost is caused once a large amount of AGVs are needed to be used.
Therefore, those skilled in the art have been working to develop a self-balancing mobile lift platform that is simple in construction and inexpensive.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a self-balancing mobile lifting platform with a simple structure.
In order to achieve the above purpose, the invention provides a self-balancing movable lifting platform, which comprises two lifting frames, wherein the lifting frames are composed of an article bearing transverse frame capable of moving up and down and standing frames respectively sleeved at two ends of the article bearing transverse frame, lifting devices for driving the article bearing transverse frame to move are arranged in the standing frames, and universal wheels are also arranged at the bottoms of the article bearing transverse frames; an angle displacement sensor is fixedly arranged at the upper end of the middle part of the article bearing transverse frame, a heavy hammer and a reflecting plate which are opposite to the angle displacement sensor are arranged at the lower end of the middle part of the article bearing transverse frame, the upper end of the heavy hammer is hinged with the article bearing transverse frame, the reflecting plate is horizontally arranged at the middle part of the heavy hammer and opposite to the angle displacement sensor, and the angle displacement sensor and the lifting device are electrically connected with an electric control system arranged on one lifting frame.
The lifting device is a servo electric cylinder, and a piston rod of the servo electric cylinder is fixedly connected with the bottom of the article bearing transverse frame.
The article bearing transverse frame is characterized in that an article connecting and fixing mechanism is further arranged in the middle of the article bearing transverse frame and comprises an adjustable fixing sleeve sleeved on the middle of the article bearing transverse frame, one end of the adjustable fixing sleeve is provided with a positioning tongue extending forwards horizontally, and the front end of the positioning tongue is provided with a positioning column extending upwards.
The two lifting frames are arranged opposite to each other.
The beneficial effects of the invention are as follows: the invention relates to a self-balancing movable lifting platform, which comprises two lifting frames, wherein each lifting frame consists of an article bearing transverse frame capable of moving up and down and a standing frame respectively sleeved at two ends of the article bearing transverse frame, a lifting device for driving the article bearing transverse frame to move is arranged in the standing frame, and universal wheels are also arranged at the bottom of the article bearing transverse frame; an angle displacement sensor is fixedly arranged at the upper end of the middle part of the article bearing transverse frame, a heavy hammer and a reflecting plate which are opposite to the angle displacement sensor are arranged at the lower end of the middle part of the article bearing transverse frame, the upper end of the heavy hammer is hinged with the article bearing transverse frame, the reflecting plate is horizontally arranged at the middle part of the heavy hammer and opposite to the angle displacement sensor, the angle displacement sensor and a lifting device are electrically connected with an electric control system arranged on one lifting frame, the two article bearing transverse frames clamp the two sides of a load to be carried, then lifting is realized under the action of the lifting device, the whole self-balancing moving lifting platform is pushed to move by a common AGV, the relative position of the reflecting plate and the angle displacement sensor is detected by the electric control system in the moving process, and the deviation direction and the deviation amount of the heavy hammer are judged, so that the lifting frame is kept horizontal in the moving process by controlling the action of the electric cylinder. Simple structure and low production, manufacture and maintenance cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at A;
FIG. 3 is a schematic diagram of the structure of the present invention in operation.
Detailed Description
The present invention will be further described with reference to the drawings and examples, and it should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, a self-balancing movable lifting platform comprises two lifting frames 1, wherein the two lifting frames 1 are arranged opposite to each other, the lifting frames 1 are composed of an article bearing transverse frame 2 capable of moving up and down and standing frames 3 respectively sleeved at two ends of the article bearing transverse frame 2, lifting devices 4 for driving the article bearing transverse frame 2 to move are arranged in the standing frames 3, and universal wheels 5 are further arranged at the bottoms of the article bearing transverse frames 2; an angle displacement sensor 6 is fixedly arranged at the upper end of the middle part of the article bearing transverse frame 2, a heavy hammer 7 and a reflecting plate 8 which are opposite to the angle displacement sensor 6 are arranged at the lower end of the middle part of the article bearing transverse frame 2, the upper end of the heavy hammer 7 is hinged with the article bearing transverse frame 2, the reflecting plate 8 is horizontally arranged at the middle part of the heavy hammer 7 and opposite to the angle displacement sensor 6, the angle displacement sensor 6 and a lifting device 4 are electrically connected with an electric control system 9 arranged on one lifting frame 1, two article bearing transverse frames clamp two sides bearing goods to be carried, lifting is achieved under the action of the lifting device, the whole self-balancing movable lifting platform is pushed to move by a common AGV, and the electric control system judges the deviation direction and the deviation amount of the heavy hammer by detecting the relative position of the reflecting plate and the angle displacement sensor in the moving process, so as to control the action of an electric cylinder, so that the lifting frame keeps horizontal in the moving process. Simple structure and low production, manufacture and maintenance cost.
In this embodiment, the lifting device 4 is preferably a servo electric cylinder, and a piston rod of the servo electric cylinder is fixedly connected with the bottom of the article bearing cross frame 2.
The middle part that article born crossbearer 2 still installs article and connects fixed establishment, article connects fixed establishment including cup joint adjustable fixed cover 10 on the article bears the crossbearer 2 middle part, the one end of adjustable fixed cover 10 is provided with the location tongue 11 that stretches out forward level, the front end of location tongue 11 is provided with the reference column 12 that upwards extends, location tongue 11 and reference column 12 are convenient for be connected fixedly with the goods that want to carry.
The working principle of the invention is as follows:
two lifting frames 1 are opposite to each other and are respectively positioned on two sides of a cargo B, then each AGV pushes forward, a positioning tongue 11 is embedded into a hanging opening 13 on the side edge of the cargo B, lifting devices 4 respectively positioned at four corners lift the article bearing transverse frame 2 and the cargo B upwards, a positioning column 12 hooks and is fixedly connected with the hanging opening 13, then the AGV pushes the whole self-balancing movable lifting table and the cargo B to move to a position where the lifting table and the cargo B need to be placed and transferred, in the moving process, an electric control system judges the offset direction and the offset of a heavy hammer by detecting the relative position of a reflecting plate and an angle displacement sensor, and further controls the action of an electric cylinder to enable the lifting frame to keep horizontal in the moving process.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (4)
1. A self-balancing movable lifting platform is characterized in that: the lifting device comprises two lifting frames (1), wherein the lifting frames (1) are composed of article bearing transverse frames (2) capable of moving up and down and standing frames (3) respectively sleeved at two ends of the article bearing transverse frames (2), lifting devices (4) for driving the article bearing transverse frames (2) to move are arranged in the standing frames (3), and universal wheels (5) are further arranged at the bottoms of the article bearing transverse frames (2); an angle displacement sensor (6) is fixedly arranged at the upper end of the middle part of the article bearing transverse frame (2), a heavy hammer (7) and a reflecting plate (8) which are opposite to the angle displacement sensor (6) are arranged at the lower end of the middle part of the article bearing transverse frame (2), the upper end of the heavy hammer (7) is hinged to the article bearing transverse frame (2), the reflecting plate (8) is horizontally arranged at the middle part of the heavy hammer (7) and opposite to the angle displacement sensor (6), and the angle displacement sensor (6) and a lifting device (4) are electrically connected with an electric control system (9) arranged on one lifting frame (1).
2. The self-balancing mobile lift platform of claim 1 wherein: the lifting device (4) is a servo electric cylinder, and a piston rod of the servo electric cylinder is fixedly connected with the bottom of the article bearing transverse frame (2).
3. The self-balancing mobile lift platform of claim 1 wherein: the article bearing transverse frame is characterized in that an article connection fixing mechanism is further arranged in the middle of the article bearing transverse frame (2), the article connection fixing mechanism comprises an adjustable fixing sleeve (10) sleeved on the middle of the article bearing transverse frame (2), one end of the adjustable fixing sleeve (10) is provided with a positioning tongue (11) extending forwards horizontally, and the front end of the positioning tongue (11) is provided with a positioning column (12) extending upwards.
4. The self-balancing mobile lift platform of claim 1 wherein: the two lifting frames (1) are arranged opposite to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310234903.5A CN116495665A (en) | 2023-03-11 | 2023-03-11 | Self-balancing movable lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310234903.5A CN116495665A (en) | 2023-03-11 | 2023-03-11 | Self-balancing movable lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116495665A true CN116495665A (en) | 2023-07-28 |
Family
ID=87320827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310234903.5A Pending CN116495665A (en) | 2023-03-11 | 2023-03-11 | Self-balancing movable lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116495665A (en) |
-
2023
- 2023-03-11 CN CN202310234903.5A patent/CN116495665A/en active Pending
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