CN114793514B - Electromagnetic mobile lifting extension chassis and working method thereof - Google Patents
Electromagnetic mobile lifting extension chassis and working method thereof Download PDFInfo
- Publication number
- CN114793514B CN114793514B CN202210536240.8A CN202210536240A CN114793514B CN 114793514 B CN114793514 B CN 114793514B CN 202210536240 A CN202210536240 A CN 202210536240A CN 114793514 B CN114793514 B CN 114793514B
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- support frame
- magnet
- chassis
- coil
- electromagnetic
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 230000001276 controlling effect Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009313 farming Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B51/00—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus
- A01B51/02—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus propelled by a motor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms
-
- 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
- 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)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Soil Sciences (AREA)
- Linear Motors (AREA)
Abstract
An electromagnetic movable lifting extension chassis and a working method thereof belong to the technical field of agricultural mechanical equipment. Comprising the following steps: the support frame is used for placing the operation parts; the travelling wheel is used for driving the displacement of the whole chassis; the electromagnetic lifting mechanism is arranged between the support frame and the travelling wheels, and the height of the support frame is adjusted through the electromagnetic lifting mechanism so as to realize the lifting of the whole chassis; the sliding support frame is in sliding fit with the support frame and is used for realizing the extension of the whole chassis; the electromagnetic extension mechanism is arranged between the sliding support frame and the support frame, and the position of the sliding support frame is adjusted through the electromagnetic extension mechanism so as to realize extension of the whole chassis. The invention can realize the lifting and the extension of the high-clearance chassis by using the novel technology, improves the working efficiency, reduces the labor intensity and has important significance for promoting the development of farming industry.
Description
Technical Field
The invention discloses an electromagnetic mobile lifting extension chassis and a working method thereof, and belongs to the technical field of agricultural mechanical equipment.
Background
Agricultural machines include agricultural power machines, farm construction machines, soil cultivation machines, planting and fertilizing machines, plant protection machines, farm irrigation and drainage machines, crop harvesting machines, agricultural product processing machines, animal husbandry machines, agricultural transportation machines, and the like.
The high-clearance operation vehicle on the market at present cannot achieve height adjustment and extension control, but for different crops, when the crops grow, the crops are operated again, and real-time height adjustment is needed; secondly, a chassis device capable of being controlled in an extending mode is designed, when the operation is carried out, the operation area can be effectively increased, and the operation time and the operation times are reduced. Therefore, designing an electromagnetic mobile lifting extension chassis becomes a current problem to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the electromagnetic mobile lifting extension chassis and the working method thereof, so as to realize adjustable chassis height and width.
The invention aims at realizing the following technical scheme:
a first object of the present invention is to provide an electromagnetically mobile lifting and extending chassis, characterized by comprising:
the support frame is used for placing the operation parts;
the travelling wheel is used for driving the displacement of the whole chassis;
the electromagnetic lifting mechanism is arranged between the support frame and the travelling wheels, and the height of the support frame is adjusted through the electromagnetic lifting mechanism so as to realize the lifting of the whole chassis;
the sliding support frame is in sliding fit with the support frame and is used for realizing the extension of the whole chassis;
the electromagnetic extension mechanism is arranged between the sliding support frame and the support frame, and the position of the sliding support frame is adjusted through the electromagnetic extension mechanism so as to realize extension of the whole chassis.
In the electromagnetic lifting mechanism, a first magnet is arranged at the bottom of the support frame, a first magnet is sleeved in a first guide pipe, and a travelling wheel is arranged below the guide pipe; the coil I is wound outside the catheter I and is matched with the magnet I to provide electromagnetic force; the first controller is arranged outside the first coil; the tensioning spring is arranged in the first guide pipe, and two ends of the tensioning spring are fixedly connected with the bottom of the magnet and the bottom of the first guide pipe respectively. A travelling wheel bracket is arranged between the travelling wheel and the first guide pipe, and the travelling wheel adopts a magnetic motor as a driving force.
In the scheme, the first magnet moves up and down under the action of the magnetic force of the first coil and is used for lifting the chassis; the first coil is matched with the first magnet and is used for providing magnetic force for the lifting mechanism; the controller I is used for controlling the current intensity and the current direction of the coil I; and the tensioning spring I is used for keeping close contact with the magnet I and the travelling wheel bracket in real time. The first controller comprises a commutator for controlling the current direction of the coil and a silicon controlled alternating current voltage regulator for controlling the current of the coil.
In the electromagnetic extension mechanism, a second conduit is arranged inside the support frame; the second magnet is sleeved outside the guide pipe, is in sliding fit with the second guide pipe and is fixedly connected with the sliding support frame; the coil II is wound in the inner cavity of the catheter II to provide electromagnetic force in cooperation with the magnet II; the second magnet is internally provided with a linear bearing so as to be in sliding fit with the second guide pipe; the end part of the second conduit is fixedly connected with a cross rod, and the sliding support frame penetrates through the cross rod; the tensioning spring II is sleeved outside the corresponding sliding support frame, and two ends of the tensioning spring II are fixedly connected with the corresponding cross rod and the magnet II respectively.
In the scheme, the second magnet is used for driving the sliding support frame to transversely move, and a linear bearing is embedded in the second magnet; the coil II is used for providing magnetic force for the magnet II; the second controller is used for controlling the current intensity and the current direction of the second coil; and the tensioning spring II is used for keeping close contact with the cross rod and the magnet II in real time. The second controller comprises a commutator for controlling the direction of the second current of the coil and a silicon controlled alternating current voltage regulator for controlling the magnitude of the second current of the coil.
The electromagnetic mobile lifting extension chassis provided by the invention is novel in structure; the first magnet and the first tensioning spring are both arranged in the first catheter and fixedly connected with each other, and are kept close in real time, the first controller can change the current direction of the first coil, so that the first coil has magnetic field forces in different directions, and the first controller can also change the current intensity of the first coil, so that the first coil has magnetic field forces in different magnitudes; the travelling mechanism is driven by a magnetic motor; the coil II is symmetrically distributed on the support frame (two groups of sliding support frames, cross bars and the like are arranged), the magnet II is fixedly connected with the sliding support frames, a linear bearing is embedded in the magnet II, the magnet II is fixedly connected with the tensioning spring II, and the magnet II is always clung to the cross bars. The invention has simple structure, clear principle, reduced cost of the machine, strong reliability, and overcomes the defects of the traditional high-clearance working machine in the aspects of overall design, structural parameters, working load degree and height and width adjustment, realizes the adjustment of the height and the width based on the magnetic control device in the operation, reduces the labor cost and improves the working efficiency.
A second object of the present invention is to provide a working method of an electromagnetic mobile lifting and extending chassis, characterized in that it comprises:
1) When the chassis needs to be heightened, the first controller of the electromagnetic lifting mechanism is operated, so that the direction of a magnetic field generated by the current flow direction of the first control coil of the first controller is the same as the magnetic pole of the first magnet, and at the moment, the first magnet moves upwards for a while, thereby driving the chassis to ascend;
the height and position of the chassis can be controlled by changing the current through the first controller, and when the first magnet reaches a designated position, the first controller adjusts the current so that the first magnet is stressed in a magnetic field in a balanced manner and keeps fixed;
when the chassis needs to be regulated down, the first controller changes the current direction of the coil and controls the position of the chassis by changing the current, so that the height of the chassis is regulated;
2) When the chassis needs to be extended and regulated, the second controller changes the current direction of the second coil in the conduit, the second magnet moves left and right under the action of magnetic force generated by the second coil, and the second magnet is fixedly connected with the sliding support frame, so that the second magnet is driven to move left and right together, the chassis is extended, and the accurate position of the second magnet is controlled by changing the current in the second coil through the controller.
The invention can realize the lifting and the extension of the high-clearance chassis by using the novel technology, improves the working efficiency, reduces the labor intensity and has important significance for promoting the development of farming industry.
Drawings
FIG. 1 is a schematic view of an electromagnetic lifting mechanism according to the present invention in embodiment 1;
FIG. 2 is a schematic view of the electromagnetic extension of the present invention in embodiment 1;
FIG. 3 is a flowchart showing the operation of an electromagnetic moving lifting and extending chassis according to embodiment 2;
in the figure: the device comprises a support frame 1, a first coil 2, a first magnet 3, a first controller 4, a first tensioning spring 5, a travelling wheel support 6, a magnetic motor 7, travelling wheels 8, a sliding support frame 9, a cross rod 10, a second tensioning spring 11, a second magnet 12, a second catheter 13, a second coil 14, a second controller 15 and a first catheter 16.
Detailed Description
Example 1
The electromagnetic movable lifting extension chassis comprises a support frame 1, an electromagnetic lifting mechanism, a sliding support frame 9, an electromagnetic extension mechanism, a travelling wheel bracket 6, a magnetic motor 7 and travelling wheels 8. The walking wheel bracket 6 is fixedly arranged with the walking wheel 8, and a magnetic motor 7 is arranged in the middle to provide power for the walking wheel 8.
As shown in fig. 1, the electromagnetic lifting mechanism is provided with four groups, each group consists of a coil I2, a magnet I3, a controller I4, a tensioning spring I5 and a conduit I16; the first magnet 3 is fixedly arranged below the support frame 1, the lower part of the first magnet is fixedly connected with the first tensioning spring 5, the first magnet 3 and the first tensioning spring 5 are both arranged in the first guide pipe 16, the first guide pipe is externally wound with the first coil 2, the first controller 4 is fixedly arranged outside the first coil 2, and the travelling wheel support is arranged below the guide pipe.
As shown in fig. 2, two groups of electromagnetic extension mechanisms are arranged, each group consists of a sliding support frame 9, a cross rod 10, a tensioning spring II 11, a magnet II 12, a conduit II 13, a coil II 14 and a controller II 15; the second magnet 12 is fixedly connected with the sliding support frame 9, the sliding support frame 9 penetrates through the cross rod 10, the second magnet 12 is fixedly connected with the tensioning spring 11, the sliding support frame 9 is driven to move left and right and is kept in close contact with the cross rod 10 in real time, the second guide tube 13 is arranged in the support frame 1, the second guide tube 13 is internally wound with the second coils 14, the two groups of the second coils 14 are symmetrically distributed on two sides of the support frame 1, and the second controller 15 is fixedly arranged on two sides of the cross rod 10.
Example 2
As shown in fig. 3, on the basis of embodiment 1, the working method of the electromagnetic mobile lifting extension chassis is rated as follows:
1. when the chassis needs to be heightened, the controller I4 is operated, so that the direction of a magnetic field generated by the controller I4 for controlling the current flow of the coil I2 is the same as that of the magnetic pole of the magnet I3, the magnet I3 can move upwards at the moment so as to drive the chassis to move, the height position of the chassis can be controlled by the controller I4 to change the current size, when the magnet I3 reaches a specified position, the controller I4 adjusts the current size, so that the magnet I3 is stressed in the magnetic field in a balanced mode and keeps fixed, and the tension spring I5 is always clung to the magnet I in the moving process of the magnet.
2. Similarly, when the chassis needs to be regulated down, the first controller 4 changes the current direction of the first coil 2 and controls the position of the first coil by changing the current, so that the height adjustment of the high-clearance chassis is realized.
3. When the chassis is extended, the principle is consistent with that of height adjustment, the second controller 15 changes the current direction of the second coil 14 in the second guide pipe 13, the second magnet 12 moves left and right under the action of magnetic force generated by the second coil 13, and the second magnet 12 is fixedly connected with the sliding support frame 9, so that the second magnet is driven to move left and right together, chassis extension is realized, the accurate position of the second magnet is controlled by changing the current magnitude in the second coil 13 by the second controller 15, and the extension control of the high-clearance chassis is realized.
In this embodiment, the first controller and the second controller each include a commutator and a scr ac voltage regulator, and the data acquisition system transmits the crop height information (working surface information) to the onboard computer of the control end. The control end sends a control instruction to the commutator to control the direction of the constant current source and the direction of the coil current and then control the direction of the magnetic field, so that the lifting (left-right movement) of the magnet is realized, and the chassis is lifted (extended). The control end sends a control instruction to the silica gel alternating current voltage regulator to adjust the power of the constant current source and the current of the coil, then adjust the magnetic field force, realize the lifting (moving) position adjustment of the magnet and control the lifting (extending) position of the chassis.
Claims (2)
1. An electromagnetic mobile lifting extension chassis, characterized by comprising:
the support frame is used for placing the operation parts;
the travelling wheel is used for driving the displacement of the whole chassis;
the electromagnetic lifting mechanism is arranged between the support frame and the travelling wheels, and the height of the support frame is adjusted through the electromagnetic lifting mechanism so as to realize the lifting of the whole chassis;
the sliding support frame is in sliding fit with the support frame and is used for realizing the extension of the whole chassis;
the electromagnetic extension mechanism is arranged between the sliding support frame and the support frame, and the position of the sliding support frame is adjusted through the electromagnetic extension mechanism so as to realize extension of the whole chassis;
the electromagnetic lifting mechanism comprises:
the first magnet is arranged at the bottom of the support frame;
the first magnet is sleeved in the first guide pipe, and the travelling wheel is arranged below the guide pipe;
a first coil wound outside the first guide tube to provide electromagnetic force in cooperation with the first magnet;
the controller I is used for controlling the current intensity and the current direction of the coil I; the controller I comprises a commutator for controlling the current direction of the coil I and a silicon controlled rectifier alternating current voltage regulator for controlling the current of the coil I;
the electromagnetic extension includes:
the second conduit is arranged in the support frame;
the second magnet is sleeved outside the guide pipe, is in sliding fit with the second guide pipe and is fixedly connected with the sliding support frame;
a second coil wound in the inner cavity of the second catheter to provide electromagnetic force in cooperation with the second magnet;
the second controller is used for controlling the current intensity and the current direction of the second coil; the second controller comprises a commutator for controlling the direction of the second current of the coil and a silicon controlled rectifier alternating current voltage regulator for controlling the magnitude of the second current of the coil;
a travelling wheel bracket is arranged between the travelling wheel and the first guide pipe, and the travelling wheel adopts a magnetic motor as a driving force;
the second magnet is internally provided with a linear bearing so as to be in sliding fit with the second guide pipe;
the electromagnetic lifting mechanism further comprises a tensioning spring I, the tensioning spring I is arranged in the guide pipe I, and two ends of the tensioning spring I are fixedly connected with the bottom of the magnet I and the bottom of the guide pipe I respectively;
the end part of the second conduit is fixedly connected with a cross rod, and the sliding support frame penetrates through the cross rod;
the electromagnetic extension mechanism further comprises a tensioning spring II which is sleeved outside the corresponding sliding support frame, and two ends of the tensioning spring II are fixedly connected with the corresponding cross rod and the magnet II respectively.
2. The method of operating an electromagnetically mobile lifting chassis according to claim 1, comprising:
1) When the chassis needs to be heightened, the first controller of the electromagnetic lifting mechanism is operated, so that the direction of a magnetic field generated by the current flow direction of the first control coil of the first controller is the same as the magnetic pole of the first magnet, and at the moment, the first magnet moves upwards for a while, thereby driving the chassis to ascend;
the height and position of the chassis can be controlled by changing the current through the first controller, and when the first magnet reaches a designated position, the first controller adjusts the current so that the first magnet is stressed in a magnetic field in a balanced manner and keeps fixed;
when the chassis needs to be regulated down, the first controller changes the current direction of the coil and controls the position of the chassis by changing the current, so that the height of the chassis is regulated;
2) When the chassis needs to be extended and regulated, the second controller changes the current direction of the second coil in the conduit, the second magnet moves left and right under the action of magnetic force generated by the second coil, and the second magnet is fixedly connected with the sliding support frame, so that the second magnet is driven to move left and right together, the chassis is extended, and the accurate position of the second magnet is controlled by changing the current in the second coil through the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210536240.8A CN114793514B (en) | 2022-05-18 | 2022-05-18 | Electromagnetic mobile lifting extension chassis and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210536240.8A CN114793514B (en) | 2022-05-18 | 2022-05-18 | Electromagnetic mobile lifting extension chassis and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114793514A CN114793514A (en) | 2022-07-29 |
| CN114793514B true CN114793514B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210536240.8A Active CN114793514B (en) | 2022-05-18 | 2022-05-18 | Electromagnetic mobile lifting extension chassis and working method thereof |
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| Country | Link |
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| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
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| CN113138595A (en) * | 2021-03-22 | 2021-07-20 | 广东省现代农业装备研究所 | Rail-mounted mobile monitoring platform for greenhouse overhead cultivated crops and control method thereof |
| CN216492974U (en) * | 2021-12-03 | 2022-05-13 | 金华职业技术学院 | Crawler-type self-propelled pesticide spraying machine with self-adjusting height and width |
-
2022
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135133A (en) * | 2014-01-03 | 2014-11-05 | 章建成 | Straight-line motion mechanism driven by push-pull type electromagnets |
| CN104552335A (en) * | 2015-01-27 | 2015-04-29 | 浙江理工大学 | Symmetrical telescopic mechanical arm |
| KR101661741B1 (en) * | 2015-11-24 | 2016-09-30 | 이지메카시스템 주식회사 | Up/down apparatus using voice coil |
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| CN205713948U (en) * | 2016-06-29 | 2016-11-23 | 屈家发 | A kind of electromagnetic type rock drill |
| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114793514A (en) | 2022-07-29 |
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