CN212259738U - Agricultural machine rear suspension automatic leveling device - Google Patents
Agricultural machine rear suspension automatic leveling device Download PDFInfo
- Publication number
- CN212259738U CN212259738U CN202021580400.1U CN202021580400U CN212259738U CN 212259738 U CN212259738 U CN 212259738U CN 202021580400 U CN202021580400 U CN 202021580400U CN 212259738 U CN212259738 U CN 212259738U
- Authority
- CN
- China
- Prior art keywords
- leveling
- agricultural machine
- oil cylinder
- hinged
- rear suspension
- 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.)
- Active
Links
Images
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The utility model discloses an automatic leveling device for rear suspension of agricultural machinery, which comprises a gyroscope, an upper leveling cylinder for driving farm tools to level in the longitudinal direction of a vehicle body and a side leveling mechanism for driving farm tools to level in the horizontal direction; a side leveling oil cylinder is arranged in the side leveling mechanism, and the upper leveling oil cylinder and the side leveling oil cylinder are controlled by an electromagnetic directional valve to enter and exit oil; the gyroscope is used for receiving an angle generated by inclination of the suspended farm tool during field work, outputting a control signal to the motor driver, and controlling the on-off of each electromagnetic directional valve by the motor driver. The utility model discloses can effectually apply to agricultural machine, keep hanging the horizontal function of agricultural implement when the field operation, the leveling precision is high, and compact structure hangs agricultural implement through the adjustment at horizontal and fore-and-aft angle to can control the depth of cultivation that hangs agricultural implement, satisfy agricultural machine's operating requirement, the practicality is strong.
Description
Technical Field
The utility model relates to an agricultural equipment automatic control field especially relates to a rear suspension automatic leveling device of agricultural machine.
Background
Because the field depression in farmland is uneven, the automobile body can not keep level when agricultural machine works in the field, and the agricultural implement that hangs also produces the slope. The automatic horizontal suspension device can ensure that the suspended farm tool can still keep horizontal work under the condition that the vehicle body is inclined, thereby improving the farm field operation quality and reducing the frequency of frequently and stably adjusting operation by operators; meanwhile, the phenomenon that the stress is uneven due to the fact that the internal structure of the farm tool is in an inclined state is also prevented, and the tension rod is broken when the stress exceeds the designed load. Patent No. 201410360990.X discloses a four-way balance mechanism of a rotary cultivator and a control method thereof, wherein a method of replacing one lifting rod with a balance oil cylinder is adopted, and horizontal control of suspended farm implements can be realized in the working principle. However, when the agricultural machine works, the small-amplitude vibration of the agricultural machine cannot be avoided, and the balance effect is greatly influenced and the balance precision is lowered due to the fact that only one balance oil cylinder is arranged.
At present, with the continuous development of intelligent agriculture and precision agriculture, the rear suspension automatic horizontal device of the agricultural machine becomes one of the basic functions of the agricultural machine. However, many automated horizontal methods or devices cannot be applied to the rear suspension mechanism due to the complex terrain in the field and the factors of the agricultural machinery itself. Therefore, how to carry out the improvement of automatic level control function to hanging the agricultural implement to make the automatic level equipment of suspension behind the agricultural machine can be quick carry out the leveling to any agricultural implement that hangs, be the utility model discloses the problem that awaits solving is needed urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at above-mentioned field ground conditions is complicated, hang the agricultural implement and can't keep horizontal operation, work efficiency is low and prior art is not perfect enough inadequately, provide and hang automatic leveling device behind the agricultural machine, can effectually apply to agricultural machine, keep the horizontal function who hangs the agricultural implement when the field operation, the leveling precision is high, compact structure hangs the agricultural implement through the adjustment at horizontal and fore-and-aft angle, thereby can control the tilling depth who hangs the agricultural implement, satisfy agricultural machine's operating requirement.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a rear suspension automatic leveling device of agricultural machinery, which comprises a gyroscope, an upper leveling cylinder used for driving farm tools to level in the longitudinal direction of a vehicle body and a side leveling mechanism used for driving the farm tools to level in the horizontal direction; a side leveling oil cylinder is arranged in the side leveling mechanism, and the upper leveling oil cylinder and the side leveling oil cylinder are controlled by an electromagnetic directional valve to enter and exit oil; the gyroscope is used for receiving an angle generated by inclination of the suspended farm tool during field work, outputting a control signal to the motor driver, and controlling the on-off of each electromagnetic directional valve by the motor driver.
Optionally, one end of the upper leveling cylinder is hinged to the rear portion of the agricultural machine, and the other end of the upper leveling cylinder is connected with an agricultural implement in a hanging mode.
Optionally, the side leveling mechanism comprises a lifting arm, a lifting cylinder, a leveling cylinder and a lower pull rod; one end of the lifting arm is hinged to the rear part of the agricultural machine, and the other end of the lifting arm is hinged to one end of the leveling oil cylinder; one end of the lifting oil cylinder is hinged to the middle part of the lifting arm, and the other end of the lifting oil cylinder is hinged to the rear part of the agricultural machine; one end of the lower pull rod is hinged to the rear part of the agricultural machine, and the other end of the lower pull rod is connected with an agricultural implement in a hanging mode; the other end of the leveling oil cylinder is hinged to the middle of the lower pull rod.
Optionally, the agricultural machinery further comprises a lifting arm shaft, and the lifting arm shaft is hinged to the rear part of the agricultural machinery; and two ends of the lifting arm shaft are connected with a group of side leveling mechanisms.
Optionally, two ends of the lifting arm shaft are respectively fixedly connected with an end of one lifting arm.
Optionally, the upper leveling cylinder is connected with a hydraulic system of the agricultural machine through front and rear electromagnetic directional valves.
Optionally, the leveling cylinder is connected with a hydraulic system of the agricultural machine through a left electromagnetic directional valve and a right electromagnetic directional valve.
Optionally, the lifting oil cylinder is connected with a hydraulic system of the agricultural machine through a lifting electromagnetic directional valve.
Optionally, the gyroscope is mounted on a suspended farm implement.
Optionally, the agricultural machine is a tractor; each leveling oil cylinder is assembled and connected with the rear part of the tractor through a connecting frame.
The utility model discloses for prior art gain following technological effect:
the utility model provides an among the agricultural machine rear suspension automatic leveling device, the gyroscope is received and is hung the agricultural implement and incline the angle back that produces at field during operation, with control signal output to motor drive, motor drive comes to advance out oil to each leveling cylinder through the switch of controlling each electromagnetic directional valve and controls, records when hanging the agricultural implement and be in the acceptable error of level when the gyroscope, will stop controlling the leveling cylinder. The utility model discloses can carry out horizontal adjustment to hanging the agricultural implement according to the position relation to hanging four points of agricultural implement, make to hang the agricultural implement and reach the horizontal range of expectation.
The utility model discloses an advantage and beneficial effect specifically as follows:
the oil inlet and outlet of the leveling oil cylinder are controlled by the electromagnetic directional valve, the control method is simple and flexible, and the debugging and installation are convenient, so that the overall cost of the rear suspension automatic leveling device of the agricultural machine can be reduced, and the practical application and the industrialized development of the rear suspension automatic leveling operation of the agricultural machine are promoted;
secondly, the leveling oil cylinder and the rear part of the agricultural machine can be assembled and connected through a connecting frame, so that the structure is compact and the popularization is convenient;
the conversion between manual leveling and automatic leveling can be realized; under emergency, the automatic control can be ended emergently, the angle for suspending the farm tool after manual operation is changed, the overall structure is compact, and the installation method is simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the installation structure of the rear suspension automatic leveling device of the agricultural machine of the present invention;
FIG. 2 is a schematic view of the structural principle of the rear suspension automatic leveling device of the agricultural machine of the present invention;
FIG. 3 is a connection diagram of a hydraulic oil circuit of the rear suspension automatic leveling device of the agricultural machine of the present invention;
wherein the reference numerals are: 1. an upper leveling oil cylinder; 2. a right lift arm; 3. a right lift cylinder; 4. a right leveling cylinder; 5. a right lower tie rod; 6. a left lower tie rod; 7. a left leveling cylinder; 8. a left lift arm; 9. a left lift cylinder; 10. a lift arm shaft; 11. a tractor rear; 12-1, front and back electromagnetic directional valves; 12-2, lifting electromagnetic directional valves; 12-3, left and right electromagnetic directional valves; 13. a hydraulic pump; 14. a hydraulic oil tank; 15. an overflow valve; 16. a motor; 17. and a leveling solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a hang automatic leveling device behind agricultural machine can effectually apply to agricultural machine, keeps hanging the horizontal function of agricultural implement when the field operation, and the leveling precision is high, and compact structure hangs agricultural implement through the adjustment at horizontal and fore-and-aft angle to can control the depth of cultivation that hangs agricultural implement, satisfy agricultural machine's operational requirement.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
as shown in fig. 1-2, in the embodiment, the automatic leveling device for the rear suspension of the tractor based on hydraulic regulation is provided, because the two sides of the rear portion 11 of the tractor are respectively provided with the side leveling mechanisms for driving farm implements to level in the horizontal direction, and the two sets of side leveling mechanisms are symmetrically arranged, in order to distinguish, the two sets of side leveling mechanisms are respectively distinguished as left and right. Based on the above, the tractor rear suspension automatic leveling device mainly comprises an upper leveling cylinder 1, a right lifting arm 2, a right lifting cylinder 3, a right leveling cylinder 4, a right lower pull rod 5, a left lower pull rod 6, a left leveling cylinder 7, a left lifting arm 8, a left lifting cylinder 9, a lifting arm shaft 10 and a plurality of hydraulic control valves. Wherein: one end of the upper leveling oil cylinder 1 is hinged at the rear part of the tractor, and the lifting arm shaft 10 is hinged with the rear part of the tractor; one end of the left lifting arm 8 is fixedly connected with the left end of the lifting arm shaft 10, and one end of the right lifting arm 2 is fixedly connected with the right end of the lifting arm shaft 10; one end of the left lifting oil cylinder 9 is hinged with the rear part of the tractor, the other end of the left lifting oil cylinder is hinged with the left lifting arm 8, and the hinged point is a point d; one end of the right lifting oil cylinder 3 is hinged with the rear part of the tractor, the other end of the right lifting oil cylinder is hinged with the right lifting arm 2, and the hinged point is a point c; one end of the left lower pull rod 6 and one end of the right lower pull rod 5 are hinged with the rear part of the tractor, and the hinged points are respectively a point f and a point e; one end of the left leveling oil cylinder 7 is hinged with the other end of the left lifting arm 8, the other end of the left leveling oil cylinder is hinged with the middle part of the left lower pull rod 6, and the hinged point is a point h; one end of the right leveling oil cylinder 4 is hinged with the other end of the right lifting arm 2, the other end of the right leveling oil cylinder is hinged with the middle part of the right lower pull rod 5, and the hinged point is a point g.
In this embodiment, as shown in fig. 1-3, a gyroscope (not shown) is fixed on the suspended farm tool, and the left lower link 6, the right lower link 5 and the other end of the upper leveling cylinder 1 are all used to hang the farm tool in the existing installation manner. The upper leveling oil cylinder 1 is connected with a hydraulic system on the tractor through a front and back leveling electromagnetic valve 12-1; the left leveling oil cylinder 7 and the right leveling oil cylinder 4 are connected with a hydraulic system on the tractor through a left leveling electromagnetic valve 12-3 and a right leveling electromagnetic valve 12-3; the right lifting oil cylinder 3 and the left lifting oil cylinder 9 are connected with a hydraulic system on the tractor through a lifting electromagnetic valve 12-2. When the gyroscope receives the inclination state of the suspended farm tool, the right leveling oil cylinder 4 and the left leveling oil cylinder 7 are driven by the corresponding electromagnetic directional valves to enter and exit oil, so that the right lower pull rod 5 and the left lower pull rod 6 are driven to move up and down, and the right lower pull rod 5 and the left lower pull rod 6 drive the suspended farm tool to level in the horizontal direction; after the heights of the left lifting cylinder 9 and the right lifting cylinder 3 are specified, leveling of the suspended farm tool in the horizontal direction can be performed. The upper leveling oil cylinder 1 controls the leveling of the suspended farm tool in the longitudinal direction of the vehicle body through a hinge point with the suspended farm tool, and further can control the tilling depth of the suspended farm tool during working.
In this embodiment, as shown in fig. 3, a leveling solenoid valve 17 is further connected between the right leveling cylinder 4 and the left leveling cylinder 7, and the left and right electromagnetic directional valves 12-3, and the leveling solenoid valve is preferably an M-type three-position four-way valve. In this embodiment, each of the electromagnetic directional valves is preferably mounted on the tractor frame, and the connection mode between each of the electromagnetic directional valves and the corresponding oil cylinder and the hydraulic system is specifically as shown in fig. 3.
In this embodiment, as shown in fig. 3, the hydraulic system is formed by connecting a hydraulic pump 13, an overflow valve 15 and a hydraulic oil tank 14 in series via a hydraulic oil path, and the hydraulic pump 13 is in power connection with a motor 16. The hydraulic power of the whole oil cylinder assembly is derived from a tractor fuel engine, and the specific connection mode adopts the prior art, so that the detailed description is omitted.
The following is a description of the specific operation principle of the present embodiment.
And after receiving the angle generated by inclination of the suspended farm tool in the field, which is detected by the gyroscope, the electronic control element outputs a control signal to the motor 16, the motor 16 controls the on-off of each electromagnetic directional valve through the hydraulic system, and the electromagnetic directional valves can control oil inlet and outlet of the corresponding leveling oil cylinders. When the gyroscope detects that the suspended farm tool is within the acceptable error of the level, the control of the leveling oil cylinder is stopped. The horizontal adjustment of the farm tool is carried out through the position relation of four points of the suspended farm tool, so that the suspended farm tool reaches an expected horizontal range.
Wherein, above-mentioned electronic control component is current controlling means, but preferred PLC single chip microcomputer control system, and this system adopts current mode to carry out electric connection with gyroscope and hydraulic pressure leveling assembly to can realize above-mentioned leveling function of this embodiment and be accurate, no longer repeated here.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a hang automatic levelling device behind agricultural machine which characterized in that: the device comprises a gyroscope, an upper leveling oil cylinder and a side leveling mechanism, wherein the upper leveling oil cylinder is used for driving the farm tool to level the vehicle body in the longitudinal direction; a side leveling oil cylinder is arranged in the side leveling mechanism, and the upper leveling oil cylinder and the side leveling oil cylinder are controlled by an electromagnetic directional valve to enter and exit oil; the gyroscope is used for receiving an angle generated by inclination of the suspended farm tool during field work, outputting a control signal to the motor driver, and controlling the on-off of each electromagnetic directional valve by the motor driver.
2. The agricultural machine rear suspension automatic leveling device according to claim 1, characterized in that: one end of the upper leveling oil cylinder is hinged to the rear part of the agricultural machine, and the other end of the upper leveling oil cylinder is connected with an agricultural implement in a hanging mode.
3. The agricultural machine rear suspension automatic leveling device according to claim 1, characterized in that: the side leveling mechanism comprises a lifting arm, a lifting oil cylinder, a leveling oil cylinder and a lower pull rod; one end of the lifting arm is hinged to the rear part of the agricultural machine, and the other end of the lifting arm is hinged to one end of the leveling oil cylinder; one end of the lifting oil cylinder is hinged to the middle part of the lifting arm, and the other end of the lifting oil cylinder is hinged to the rear part of the agricultural machine; one end of the lower pull rod is hinged to the rear part of the agricultural machine, and the other end of the lower pull rod is connected with an agricultural implement in a hanging mode; the other end of the leveling oil cylinder is hinged to the middle of the lower pull rod.
4. The agricultural machine rear suspension automatic leveling device according to claim 3, characterized in that: the lifting arm shaft is hinged to the rear part of the agricultural machine; and two ends of the lifting arm shaft are connected with a group of side leveling mechanisms.
5. The agricultural machine rear suspension automatic leveling device according to claim 4, characterized in that: and two ends of the lifting arm shaft are respectively fixedly connected with the end part of one lifting arm.
6. An agricultural machine rear suspension auto-leveling device according to claim 1 or 2, wherein: and the upper leveling oil cylinder is connected with a hydraulic system of the agricultural machine through a front electromagnetic directional valve and a rear electromagnetic directional valve.
7. The agricultural machine rear suspension automatic leveling device according to claim 3, characterized in that: and the leveling oil cylinder is connected with a hydraulic system of the agricultural machine through a left electromagnetic directional valve and a right electromagnetic directional valve.
8. The agricultural machine rear suspension automatic leveling device according to claim 3, characterized in that: the lifting oil cylinder is connected with a hydraulic system of the agricultural machine through a lifting electromagnetic directional valve.
9. The agricultural machine rear suspension automatic leveling device according to claim 1, characterized in that: the gyroscope is installed on the suspended farm tool.
10. The agricultural machine rear suspension automatic leveling device according to claim 1, characterized in that: the agricultural machine is a tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021580400.1U CN212259738U (en) | 2020-08-03 | 2020-08-03 | Agricultural machine rear suspension automatic leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021580400.1U CN212259738U (en) | 2020-08-03 | 2020-08-03 | Agricultural machine rear suspension automatic leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212259738U true CN212259738U (en) | 2021-01-01 |
Family
ID=73899959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021580400.1U Active CN212259738U (en) | 2020-08-03 | 2020-08-03 | Agricultural machine rear suspension automatic leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212259738U (en) |
-
2020
- 2020-08-03 CN CN202021580400.1U patent/CN212259738U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111713201A (en) | Agricultural machine rear suspension automatic leveling device | |
| DE69711665T3 (en) | ELECTRONIC DRIVING BEHAVIOR CONTROL UNIT FOR ROAD VEHICLES | |
| CN102598907A (en) | Draft control method for operating an earth moving machine | |
| WO2021213400A1 (en) | Electric control hydraulic system and hydraulic drive method | |
| WO2021213399A1 (en) | Electronically controlled hydraulic system and automatic adjustment method therefor | |
| CN212259738U (en) | Agricultural machine rear suspension automatic leveling device | |
| CN111379286A (en) | Bulldozer ripper autonomous operation device and bulldozer comprising same | |
| CN210444801U (en) | Suspension system for electric tractor capable of accurately controlling lifting of airborne farm tools | |
| CN111520367A (en) | Electric control hydraulic system of hydraulic suspension device, tractor and active damping control method | |
| EP3533933B1 (en) | Method for power management in pile foundation comprising a holder machine and an implement mounted on same | |
| CN108156868B (en) | Hydraulic control system for adaptive suspension and leveling of sloping field | |
| CN109220152A (en) | A kind of cassava harvester digger blade with the deep angle modulation function of automatic control | |
| CN201027322Y (en) | Depth controlling device of soil shifter stripping knife | |
| CN111823805A (en) | Automatic horizontal control system for agricultural machinery rear suspension | |
| CN210470222U (en) | Automatic leveling and ploughing integrated machine | |
| CN211321958U (en) | Dedicated hydraulic pressure leveling linkage of hillside tractor | |
| CN213426853U (en) | Automatic balance hydraulic suspension device of tractor | |
| CN212715071U (en) | Control system for indicating and positioning hydraulic pin pulling of land leveler | |
| CN212992953U (en) | Hydraulic suspension device with active damping function | |
| CN207543536U (en) | It is a kind of to realize tractor and farm implements carry, the control system being detached from | |
| CN217546656U (en) | Hydraulic lifting device of agricultural equipment and agricultural equipment thereof | |
| CN207516782U (en) | A kind of tractor tilling depth automaton adjusted based on torque | |
| CN110820825A (en) | Bull-dozer for building engineering | |
| CN220630003U (en) | Fool-proof tooling for machining tractor suspension device | |
| CN2655602Y (en) | Pull type land level scraper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |