CN113090616A - Tractor electric control lifting and tilting hydraulic control system - Google Patents
Tractor electric control lifting and tilting hydraulic control system Download PDFInfo
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- CN113090616A CN113090616A CN202110384477.4A CN202110384477A CN113090616A CN 113090616 A CN113090616 A CN 113090616A CN 202110384477 A CN202110384477 A CN 202110384477A CN 113090616 A CN113090616 A CN 113090616A
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- lifting
- hydraulic cylinder
- electromagnetic valve
- control system
- tractor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
Abstract
The invention discloses an electric control lifting and tilting hydraulic control system of a tractor, which comprises an electromagnetic assembly and a control assembly, wherein the electromagnetic assembly comprises a fixed frame, an electromagnetic valve connected with the fixed frame, a distance sensor connected with the electromagnetic valve, a left hydraulic cylinder connected with the distance sensor, a lifting and tilting oil block connected with the left hydraulic cylinder, a right hydraulic cylinder connected with the lifting and tilting oil block and a manual distributor connected with the lifting and tilting oil block; the control assembly comprises a control module connected with the electromagnetic valve, an automatic pilot connected with the control module and a remote controller; the electric control lifting and tilting hydraulic control system of the tractor can be additionally provided with remote control driving and full-automatic driving functions on the basis of not hindering the original manual driving, can realize remote control or full-automatic driving control by lifting and tilting under electronic control, can be modified and additionally arranged on most of the original tractors, and is simple in realization method.
Description
Technical Field
The invention relates to the technical field of agricultural automatic driving, in particular to an electric control lifting and tilting hydraulic control system of a tractor.
Background
The tractor is used for towing and driving the operation machine to complete various mobile operations. Can also be used as fixed operation power. The system or the device comprises an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and the like. The power of the engine is transmitted to the driving wheel by the transmission system, so that the tractor runs, and in real life, a rubber belt is commonly used as a medium for power transmission. Tractors classified into agricultural, industrial and special uses according to function and use; the tractor is divided into a wheel type tractor, a crawler type tractor, a boat-shaped tractor, a self-propelled chassis and the like according to the structure type.
The traditional tractor is lifted and inclined by hydraulic control, a driver is required to manually operate the tractor, and remote control and even full-automatic control cannot be realized. The electric control lifting and tilting hydraulic control system of the tractor is additionally provided with remote control driving and full-automatic driving functions on the basis of not hindering the original manual driving.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the existing tractor electric control lifting hydraulic control system.
Therefore, the invention aims to provide an electric control lifting and tilting hydraulic control system of a tractor, which can be additionally provided with remote control driving and full-automatic driving functions on the basis of not hindering the original manual driving.
In order to solve the technical problems, the invention provides the following technical scheme: an electric control lifting and tilting hydraulic control system of a tractor comprises an electromagnetic assembly and a control assembly, wherein the electromagnetic assembly comprises a fixed frame, an electromagnetic valve connected with the fixed frame, a distance sensor connected with the electromagnetic valve, a left hydraulic cylinder connected with the distance sensor, a lifting and tilting oil block connected with the left hydraulic cylinder, a right hydraulic cylinder connected with the lifting and tilting oil block and a manual distributor connected with the lifting and tilting oil block; and the control assembly comprises a control module connected with the electromagnetic valve, an automatic pilot connected with the control module and a remote controller.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: and the electromagnetic valve is also provided with an electromagnetic valve oil block, and the electromagnetic valve oil block is connected with an oil inlet pipe.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: a distributor connecting pipe is connected between the electromagnetic valve and the manual distributor, and an oil outlet pipe is connected to the manual distributor.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: and an electromagnetic valve ascending pipe and an electromagnetic valve descending pipe are connected between the electromagnetic valve and the oil lifting and pouring block.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: and a distributor ascending pipe and a distributor descending pipe are connected between the manual distributor and the oil lifting and pouring block.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: and a left hydraulic cylinder ascending pipe and a left hydraulic cylinder descending pipe are connected between the lifting and dumping oil block and the left hydraulic cylinder.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: and a right hydraulic cylinder descending pipe and a right hydraulic cylinder ascending pipe are connected between the lifting and dumping oil block and the right hydraulic cylinder.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: the distance sensor is also connected with the control module.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: the control module has the working process that: the signal stroke input by the remote controller is a; the signal stroke input by the distance sensor is b; judging the sizes of a and b; a is larger than b, the electromagnetic valve ascending pipe is opened, and the hydraulic cylinder ascends; a is equal to b, the electromagnetic valve is closed, and the hydraulic cylinder is not moved; and a is smaller than b, the descending pipe of the electromagnetic valve is opened, and the hydraulic cylinder descends.
As a preferable scheme of the electric control lifting and tilting hydraulic control system of the tractor, the electric control lifting and tilting hydraulic control system of the tractor comprises the following steps: and the left hydraulic cylinder and the right hydraulic cylinder move to cause the value b of the distance sensor to change, and the value is continuously compared with the signal stroke a input by the remote controller until the value b and the value a are equal.
The invention has the beneficial effects that:
the tractor electric control lifting and tilting hydraulic control system is additionally provided with the electromagnetic valve, the oil block, the distance sensor, the high-pressure oil pipe, the lifting and tilting hydraulic oil block, the controller and other parts on the basis of the existing tractor hydraulic lifting and tilting system, and can be additionally provided with the functions of remote control driving and full-automatic driving on the basis of not hindering the original manual driving. The lifting and falling can be controlled through electronic control, and remote control or full-automatic driving control can be realized. The agricultural machine can be controlled manually by a driver on the tractor as before, the elevation and the subsidence of the tractor can be controlled electronically, and the agricultural machine can also be controlled automatically by an upper computer according to the working environment, and both methods can be used. The tractor can be modified and installed on most of the original tractors, and the implementation method is simple.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic diagram of the overall structure of an electric control lifting and tilting hydraulic control system of a tractor.
Fig. 2 is a schematic structural diagram of an electromagnetic assembly of the electric control lifting and tilting hydraulic control system of the tractor.
Fig. 3 is a schematic view of a pipeline structure of the electric control lifting and tilting hydraulic control system of the tractor.
Fig. 4 is a schematic structural diagram of a tilt lifting oil block of the electric control tilt lifting hydraulic control system of the tractor.
FIG. 5 is a flow chart of a control module of the electric control tilt hydraulic control system of the tractor according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1, for a first embodiment of the present invention, an electric control tilt and tilt hydraulic control system for a tractor is provided, which includes an electromagnetic assembly 100 and a control assembly 200, wherein the electromagnetic assembly 100 includes a fixed frame 101, an electromagnetic valve 102 connected to the fixed frame 101, a distance sensor 103 connected to the electromagnetic valve 102, a left hydraulic cylinder 104 connected to the distance sensor 103, a tilt and tilt oil block 105 connected to the left hydraulic cylinder 104, a right hydraulic cylinder 106 connected to the tilt and tilt oil block 105, and a manual distributor 107 connected to the tilt and tilt oil block 105; the control assembly 200 comprises a control module 201 connected with the electromagnetic valve 102, an automatic pilot 202 connected with the control module 201 and a remote controller 203.
The electromagnetic assembly 100 forms each component of the electronic control lifting and tilting hydraulic control system, the whole device is installed on a car hopper and fixed by a fixing frame 101, the electromagnetic valve 102 adjusts the on-off of pipelines in the system, the distance sensor 103 collects the length data of the extension or contraction of the left hydraulic cylinder 104 and the right hydraulic cylinder 106 and feeds the length data back to the control module 201, the left hydraulic cylinder 104 and the right hydraulic cylinder 106 are controlled to lift and tilt to achieve a lifting and tilting function, the lifting and tilting oil blocks 105 sum up the pipelines, rectification output is achieved, the manual distributor 107 provides a manual control pivot, the control system works and outputs a command to the control module 201, the control module 201 calculates a result, the electromagnetic valve 102 is controlled to be closed, the automatic pilot 202 and the remote controller 203 provide an automatic or full-automatic function, and the control module 201 is instructed.
Example 2
Referring to fig. 2, 3, 4 and 5, a second embodiment of the present invention is different from the first embodiment in that: the electromagnetic valve 102 is also provided with an electromagnetic valve oil block 102a, and the electromagnetic valve oil block 102a is connected with an oil inlet pipe 102 b. A distributor connecting pipe 107a is connected between the electromagnetic valve 102 and the manual distributor 107, and an oil outlet pipe 107b is connected to the manual distributor 107. A solenoid valve ascending pipe 102c and a solenoid valve descending pipe 102d are connected between the solenoid valve 102 and the oil lifting and pouring block 105. A distributor riser 107c and a distributor downcomer 107d are connected between the manual distributor 107 and the oil-lifting block 105. A left hydraulic cylinder ascending pipe 104a and a left hydraulic cylinder descending pipe 104b are connected between the lifting and dumping oil block 105 and the left hydraulic cylinder 104. A right hydraulic cylinder descending pipe 106a and a right hydraulic cylinder ascending pipe 106b are connected between the lifting and dumping oil block 105 and the right hydraulic cylinder 106.
The distance sensor 103 is also connected to the control module 201. The control module 201 has the following working procedures: the signal stroke input by the remote controller 203 is a; the signal stroke input by the distance sensor 103 is b; judging the sizes of a and b; a is larger than b, the electromagnetic valve ascending pipe 107c is opened, and the hydraulic cylinder ascends; a is equal to b, the electromagnetic valve 102 is closed, and the hydraulic cylinder is not moved; and a is smaller than b, the solenoid valve descending pipe 102d is opened, and the hydraulic cylinder descends. The left hydraulic cylinder 104 and the right hydraulic cylinder 106 move to change the value b of the distance sensor 103, and the value is continuously compared with the signal stroke a input by the remote controller 203 until the value b and the signal stroke a are equal.
Further, compared to embodiment 1, the hydraulic oil flowing out of the oil pump flows into the electromagnetic valve 102 through the oil inlet pipe 102b, and the oil return port of the electromagnetic valve 102 is connected to the oil inlet port of the manual distributor 107 through the electromagnetic valve distributor connecting pipe 107 a. The oil return port of the manual dispenser 107 flows back to the oil tank through the oil return pipe. The ascending oil port of the solenoid valve 102 is connected to the ascending oil port of the oil lifting and pouring block 105 through a solenoid valve ascending pipe 102 c; a descending oil port of the electromagnetic valve 102 is connected to a descending oil port of the oil lifting and pouring block 105 through an electromagnetic valve descending pipe 102 d; the ascending oil port of the manual distributor 107 is connected to the ascending oil port of the lifting and pouring block 105 through a distributor ascending pipe 107 c; the descending oil port of the manual distributor 107 is connected to the descending oil port of the oil lifting block 105 through a distributor descending pipe 107 d; the oil lifting port of the left hydraulic cylinder 104 is connected to the oil lifting port of the oil lifting and dumping block 105 through a left hydraulic cylinder lifting pipe 104 a; the descending oil port of the left hydraulic cylinder 104 is connected to the descending oil port of the lifting and dumping oil block 105 through a left hydraulic cylinder descending pipe 104 b; the oil lifting port of the right hydraulic cylinder 106 is connected to the oil lifting port of the oil lifting and dumping block 105 through a right hydraulic cylinder lifting pipe 106 b; the lowering port of the right hydraulic cylinder 106 is connected to the lowering port of the tilt-up block 105 through a right hydraulic cylinder down pipe 106 a.
Fixing the distance sensor 103 with the left hydraulic cylinder 104 and the right hydraulic cylinder 106, fixing the fixed ends of the left hydraulic cylinder 104 and the right hydraulic cylinder 106 together, and fixing the moving ends of the left hydraulic cylinder 104 and the right hydraulic cylinder 106 together, so that when the left hydraulic cylinder 104 or the right hydraulic cylinder 106 rises, the distance sensor 103 rises together; when the left hydraulic cylinder 104 or the right hydraulic cylinder 106 is lowered, the distance sensor 103 is lowered together. The data line of the distance sensor unit 103 is connected to the electronic tilt control module 201. The electronic control lifting and tilting control module 201 obtains a result through calculation to control the electromagnetic valve 102. The electric control lifting and tilting control module 201 is connected with an automatic tractor driver 202 through a data line. The tractor autopilot 202 receives the signal of the remote controller 203 and outputs a corresponding control signal to the electronic control lifting and tilting control module 201.
The remote controller 203 converts the lifting distance into a digital signal, sends the digital signal to the control module 201, calculates a corresponding numerical value a, then controls the electromagnetic valve 102 to be switched on and off, emits proper oil quantity to match with a corresponding received actual travel value, then feeds back an actual distance signal b by the distance sensor 103, compares whether the distance signals emitted by the a and the b are matched, stops oil drainage if the distance signals are matched, continues oil drainage if the distance signals are not matched, pumps back oil if the distance signals are not matched, finishes the distance signals emitted by the control module 201, and achieves the lifting effect of the tractor.
The distance sensor 103 can detect the current descending depth of the lifting plough and provide the actual value of the current stroke position of the lifting hydraulic cylinder for remote control or automatic control steering; the control module 201 receives the actual stroke value of the distance sensor, calculates the actual stroke value with the target value given by the remote controller 203 or the automatic pilot 202 to obtain the output instruction needing lifting or falling, controls the lifting or falling by controlling the left and right switches of the electromagnetic valve 102, and realizes the automatic control of the lifting and tilting hydraulic cylinder. The electromagnetic valve 102 of the tractor lifting and tilting system is powered off, the manual distributor 107 for controlling the lifting plough by a driver is not influenced, and therefore the control mode of manual and automatic modes which are not in conflict is realized.
The rest of the structure is the same as that of embodiment 1.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a tractor automatically controlled hydraulic control system that inclines that lifts which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the electromagnetic assembly (100) comprises a fixed frame (101), an electromagnetic valve (102) connected with the fixed frame (101), a distance sensor (103) connected with the electromagnetic valve (102), a left hydraulic cylinder (104) connected with the distance sensor (103), a lifting and dumping oil block (105) connected with the left hydraulic cylinder (104), a right hydraulic cylinder (106) connected with the lifting and dumping oil block (105) and a manual distributor (107) connected with the lifting and dumping oil block (105);
the control assembly (200) comprises a control module (201) connected with the electromagnetic valve (102), an automatic pilot (202) connected with the control module (201) and a remote controller (203).
2. An electrically controlled hydraulic control system for lifting and tilting of a tractor according to claim 1, wherein: the electromagnetic valve (102) is further provided with an electromagnetic valve oil block (102a), and the electromagnetic valve oil block (102a) is connected with an oil inlet pipe (102 b).
3. An electrically controlled hydraulic control system for lifting and tilting of a tractor according to claim 1 or 2, wherein: a distributor connecting pipe (107a) is connected between the electromagnetic valve (102) and the manual distributor (107), and an oil outlet pipe (107b) is connected to the manual distributor (107).
4. An electrically controlled hydraulic lift and tilt control system for a tractor according to claim 3, wherein: an electromagnetic valve ascending pipe (102c) and an electromagnetic valve descending pipe (102d) are connected between the electromagnetic valve (102) and the oil lifting and pouring block (105).
5. An electrically controlled hydraulic lift and tilt control system for a tractor according to claim 4, wherein: a distributor ascending pipe (107c) and a distributor descending pipe (107d) are connected between the manual distributor (107) and the oil lifting and pouring block (105).
6. An electrically controlled hydraulic lift and tilt control system for a tractor according to claim 5, wherein: and a left hydraulic cylinder ascending pipe (104a) and a left hydraulic cylinder descending pipe (104b) are connected between the lifting and dumping oil block (105) and the left hydraulic cylinder (104).
7. An electrically controlled hydraulic lift and tilt control system for a tractor according to claim 6, wherein: and a right hydraulic cylinder descending pipe (106a) and a right hydraulic cylinder ascending pipe (106b) are connected between the lifting and dumping oil block (105) and the right hydraulic cylinder (106).
8. An electrically controlled hydraulic lift and tilt control system for a tractor according to any one of claims 4, 5, 6 and 7, wherein: the distance sensor (103) is also connected with the control module (201).
9. An electrically controlled hydraulic lift and tilt control system for a tractor according to claim 8, wherein: the control module (201) comprises the following working procedures:
the signal stroke input by the remote controller (203) is a; the signal stroke input by the distance sensor (103) is b; judging the sizes of a and b;
a is larger than b, the electromagnetic valve ascending pipe (107c) is opened, and the hydraulic cylinder ascends;
a is equal to b, the electromagnetic valve (102) is closed, and the hydraulic cylinder is not moved;
a is smaller than b, the electromagnetic valve descending pipe (102d) is opened, and the hydraulic cylinder descends.
10. An electrically controlled hydraulic lift and tilt control system for a tractor as defined in claim 9 wherein: and the left hydraulic cylinder (104) and the right hydraulic cylinder (106) move to cause the value b of the distance sensor (103) to change, and the value is continuously compared with the signal stroke a input by the remote controller (203) until the value b and the signal stroke a are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110384477.4A CN113090616B (en) | 2021-04-09 | 2021-04-09 | Tractor electric control lifting and tilting hydraulic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110384477.4A CN113090616B (en) | 2021-04-09 | 2021-04-09 | Tractor electric control lifting and tilting hydraulic control system |
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| CN113090616A true CN113090616A (en) | 2021-07-09 |
| CN113090616B CN113090616B (en) | 2022-04-05 |
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| CN211557926U (en) * | 2019-11-27 | 2020-09-25 | 洛阳中科龙网创新科技有限公司 | Lifting mechanism and tractor with same |
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| CN102501789A (en) * | 2011-11-10 | 2012-06-20 | 重庆润江机械制造有限公司 | Automatic anti-tilting control system for automotive hydraulic lifting |
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| CN113090616B (en) | 2022-04-05 |
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