CN204810833U - Protection control system of rotary cultivator universal joint and gearbox - Google Patents
Protection control system of rotary cultivator universal joint and gearbox Download PDFInfo
- Publication number
- CN204810833U CN204810833U CN201520544765.1U CN201520544765U CN204810833U CN 204810833 U CN204810833 U CN 204810833U CN 201520544765 U CN201520544765 U CN 201520544765U CN 204810833 U CN204810833 U CN 204810833U
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- China
- Prior art keywords
- angular transducer
- rotovator
- tillage cutter
- lift arm
- rotary tillage
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Abstract
The utility model provides a protection control system of rotary cultivator universal joint and gearbox, including angle sensor, a controller, and a limit switch, set up the button, promote the handle, solenoid valve and lift arm hydro -cylinder, angle sensor installs at rotary cultivator rotary tillage cutter lift arm rotation center epaxially, the controller is installed on the rotary cultivator fuselage, limit switch installs in the gear handle department of rotary cultivator rotary tillage cutter or the clutch department of rotary tillage cutter, it installs on the panel is controlled to the rotary cultivator to set up the button, an angle sensor, and a limit switch, set up the button, the solenoid valve links to each other with the controller respectively, it links to each other with the solenoid valve to promote the handle, it is continuous with the lift arm of rotary cultivator rotary tillage cutter that the lift arm hydro -cylinder passes through the connecting rod. Utilize the utility model discloses, steerable rotary cultivator is when ploughing, and the diaxon contained angle angle value of being connected with the universal joint allows the maximum value no longer than it to protection universal joint and gearbox.
Description
Technical field
The utility model relates to the Protection control system of a kind of rotovator universal joint and gearbox.
Background technology
The agricultural rotary tiller used in the market can run into when ploughing rugged situation of ploughing, often the height adjusting cutter is needed, generally control the rotary cultivator tool cutter rotary tillage degree of depth by manual observation manual manipulation handle and raise height at work, complex operation, occur that observe and decide is slipped up sometimes, rotovator rotary tillage cutter excessively lifts situation, cause the diaxon angle angle value be connected with universal joint to exceed it and allow maximum, make cardan drive moment excessive, can not normally transmission, universal joint may be made time serious to break to making gearbox scrap.Therefore, need a kind of Protection control system to control the angle of the diaxon be connected with universal joint to be no more than permission maximum, the universal joint of protection rotovator and gearbox.
Utility model content
Technical problem to be solved in the utility model is, provides the Protection control system of a kind of rotovator universal joint and gearbox.
Rotovator is when ploughing, the height of rotary tillage cutter will be regulated at any time, the change of height is determined by the diaxon variable angle be connected with universal joint, and the angle of diaxon is larger, and the hoisting depth of rotary tillage cutter is higher, driving torque that universal joint bears is larger, the angle of diaxon is generally 15 ° to 20 °, and when exceeding the angle of permission, universal joint then can not normally transmission, stuck situation may be there is, even damage universal joint and connected gearbox.
The utility model solves the technical scheme that its technical problem adopts: the Protection control system of a kind of rotovator universal joint and gearbox, comprise angular transducer, controller, limit switch, button is set, lifting handle, magnetic valve and lift arm oil cylinder, described angular transducer is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, described controller is arranged on rotovator fuselage, described limit switch is arranged on the selector lever place of rotovator rotary tillage cutter or the clutch place of rotary tillage cutter, the described button that arranges is arranged on rotovator control panel, described angular transducer, limit switch, button is set, magnetic valve is connected with controller respectively, described lifting handle is connected with magnetic valve, described magnetic valve is for controlling lift arm oil cylinder, described lift arm oil cylinder is connected by the lift arm of connecting rod with rotovator rotary tillage cutter.
Further, described angular transducer is contactless magnetic induction angular transducer.
Further, described contactless magnetic induction angular transducer comprises angular transducer magnetic patch and angular transducer inductive head, described angular transducer magnetic patch is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, and described angular transducer inductive head is arranged on angular transducer magnetic patch right opposite.
Further, described angular transducer is spindle-type angular transducer, and described spindle-type angular transducer is connected with rotovator rotary tillage cutter lift arm rotary middle spindle by shaft coupling.
Further, described magnetic valve is hydraulic buttery valve.
The protecting control method of rotovator universal joint and gearbox:
First by rotovator rotary tillage cutter manual adjustments to allowing extreme higher position, press and button be set, the numerical value of controller record now angular transducer;
When rotovator is in arable land duty, the limit switch at the selector lever place of rotovator rotary tillage cutter or the clutch place of rotary tillage cutter often leaves, controller detects that gear-shifting box of rotary cultivator is in engage a gear state or clutch is in closure state, if rotary tillage cutter lift arm rises to set angle and allows maximum, the signal that controller receives angular transducer output just can judge, export a switching value to magnetic valve and disconnect magnetic valve, restriction rotary tillage cutter continues to promote, protection universal joint and gearbox;
When rotovator is in uncultivated area duty, the limit switch at the selector lever place of rotovator rotary tillage cutter or the clutch place of rotary tillage cutter closes, controller detects that gear-shifting box of rotary cultivator is in neutral position state or clutch is in released state, because rotary tillage cutter is not ploughed, the diaxon that universal joint connects does not have rotary motion, universal joint does not need transmitting torque, just play the effect being similar to joint, the size of angle can not affect cardan drive, magnetic valve only controls by lifting handle, the uncontrolled device restriction of rotary tillage cutter hoisting depth, rotary tillage cutter can be made to rise to extreme higher position, be used for dodging barrier when uncultivated area.
The utility model adopts angular transducer, detect the rotational angle of rotovator rotary tillage cutter lift arm, when rotovator is ploughed, rotary cultivator tool cutter reaches permission maximum height, when the diaxon angle be connected with universal joint also reaches simultaneously and allows maximum angle, namely controller disconnects magnetic valve, and rotary tillage cutter is no longer promoted.Angular transducer output signal is analog signal or data signal, linear with angle, the angle position existence function relation of angular transducer angle value and rotary tillage cutter jib.
The utility model adopts controller, is used for the output signal of acquisition angles sensor, and the output signal of capture setting button and limit switch, carries out judging the break-make to magnetic valve output switch amount control signal Controlling solenoid valve.
The utility model adopts and arranges button, arranges the maximum height value that rotary cultivator tool cutter allows to promote together with angular transducer, controller.First rotary tillage cutter is adjusted to the maximum allowing height, namely the lift arm position angle of rotovator reaches permission maximum, presses and arranges button, and angular transducer test value is stored into controller.
The utility model adopts limit switch, be used for detecting the position of selector lever of rotary tillage cutter or the position of the clutch pedal of rotary tillage cutter, judge whether gearbox is in neutral state or clutch is in released state, namely judge whether rotovator is in arable land state.
The utility model angular transducer used, or be contactless magnetic induction angular transducer, or be spindle-type angular transducer, as with contactless magnetic induction angular transducer, angular transducer magnetic patch is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, angular transducer inductive head is arranged on the axial opposite of angular transducer magnetic patch, angular transducer inductive head and angular transducer magnetic patch keep a certain distance, promote jib rotating band and move magnetic patch rotation, angular transducer inductive head senses changes of magnetic field, exports the signal of telecommunication corresponding with angle value at output.The advantage of this angular transducer is that installation accuracy is less demanding.As used spindle-type angular transducer, shaft coupling is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, and described angular transducer axle is connected with rotovator rotary tillage cutter lift arm rotary middle spindle by shaft coupling.The advantage of this angular transducer is that cost is lower.
Utilize the utility model; rotovator can be controlled when ploughing; the diaxon angle angle value be connected with universal joint is no more than it and allows maximum; when rotary cultivator tool cutter exceedes setting maximum height value; namely the diaxon angle be connected with universal joint reaches and sets when allowing maximum angle, and namely the magnetic valve that promotes of closing control rotary cultivator tool cutter, makes rotary tillage cutter no longer raise; avoid making universal joint occur stuck situation, protection universal joint and gearbox.
The utility model also may be used on similar structures need protection farm machinery or plant equipment on.
Accompanying drawing explanation
Fig. 1 is the block diagram of the rotovator universal joint of the present embodiment and the Protection control system of gearbox;
Fig. 2 is for using rotovator profile and the part-structure schematic diagram of Protection control system shown in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to accompanying drawing, the rotovator universal joint of the present embodiment and the Protection control system of gearbox, comprise angular transducer 1, controller 2, limit switch 3, button 4 is set, lifting handle 5, magnetic valve 6 and lift arm oil cylinder 7, described angular transducer 1 is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, described controller 2 is arranged on rotovator fuselage, described limit switch 3 is arranged on the selector lever place of rotovator rotary tillage cutter, the described button 4 that arranges is arranged on rotovator control panel, described angular transducer 1, limit switch 3, button 4 is set, magnetic valve 6 is connected with controller 2 respectively, described lifting handle 5 is connected with magnetic valve 6, described magnetic valve 6 is for controlling lift arm oil cylinder 7, described lift arm oil cylinder 7 is connected by the lift arm of connecting rod with rotovator rotary tillage cutter.
In the present embodiment, described angular transducer 1 is contactless magnetic induction angular transducer, comprise angular transducer magnetic patch and angular transducer inductive head, described angular transducer magnetic patch is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, and described angular transducer inductive head is arranged on angular transducer magnetic patch right opposite.
In the present embodiment, described magnetic valve 6 is hydraulic buttery valve.
In the present embodiment, described limit switch 3 also can be arranged on the clutch place of rotovator rotary tillage cutter.
In the present embodiment, described angular transducer 1 also can be spindle-type angular transducer, and described spindle-type angular transducer is connected with rotovator rotary tillage cutter lift arm rotary middle spindle by shaft coupling.
The protecting control method of rotovator universal joint and gearbox:
First by rotovator rotary tillage cutter 12 manual adjustments to allowing extreme higher position, press and button be set, the numerical value of controller record now angular transducer;
When rotovator is in arable land duty, the limit switch at selector lever 8 place of rotovator rotary tillage cutter or the clutch place of rotary tillage cutter often leaves, controller detects that gear-shifting box of rotary cultivator is in engage a gear state or clutch is in closure state, if rotary tillage cutter lift arm 9 rises to set angle and allows maximum, the signal that controller receives angular transducer output just can judge, export a switching value to magnetic valve and disconnect magnetic valve, restriction rotary tillage cutter continues to promote, protection universal joint 10 and gearbox 11;
When rotovator is in uncultivated area duty, the limit switch at the selector lever place of rotovator rotary tillage cutter or the clutch place of rotary tillage cutter is normally closed, controller detects that gear-shifting box of rotary cultivator is in neutral position state or clutch is in released state, because rotary tillage cutter is not ploughed, the diaxon that universal joint connects does not have rotary motion, universal joint does not need transmitting torque, just play the effect being similar to joint, the size of angle can not affect cardan drive, magnetic valve only controls by lifting handle, the uncontrolled device restriction of rotary tillage cutter hoisting depth, rotary tillage cutter can be made to rise to extreme higher position, be used for dodging barrier when uncultivated area.
In the present embodiment, the rise and fall of rotovator rotary tillage cutter are realized by the rotary motion of lift arm; The rotary motion of lift arm is realized by the stretching motion of the oil cylinder in gearbox; The stretching motion of the oil cylinder in gearbox is solenoid control.
The present embodiment first by rotovator rotary tillage cutter manual adjustments to allowing extreme higher position, press and arrange button, controller can record the angle value of now angular transducer; In the course of work of rotovator arable land; as rotary tillage cutter height reach allow peak time; when namely the angle value of the angular transducer of angular transducer output angle angle value and controller record coincide; controller immediately Controlling solenoid valve cuts out; also quit work by the lift arm oil cylinder of solenoid control; rotary tillage cutter cannot continue lifting, thus controls rotary tillage cutter height, protection universal joint and gearbox.
In the present embodiment, when the limit switch at the selector lever place of rotary tillage cutter or the clutch place of rotary tillage cutter is closed namely check that rotary tillage cutter is off working state time, universal joint does not have transmitting torque, and magnetic valve only controls by lifting handle; Under the control of lifting handle, magnetic valve can control lift arm oil cylinder and make rotary tillage cutter hit the ceiling.
Claims (5)
1. the Protection control system of a rotovator universal joint and gearbox, it is characterized in that: comprise angular transducer, controller, limit switch, button is set, lifting handle, magnetic valve and lift arm oil cylinder, described angular transducer is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, described controller is arranged on rotovator fuselage, described limit switch is arranged on the selector lever place of rotovator rotary tillage cutter or the clutch place of rotary tillage cutter, the described button that arranges is arranged on rotovator control panel, described angular transducer, limit switch, button is set, magnetic valve is connected with controller respectively, described lifting handle is connected with magnetic valve, described magnetic valve is for controlling lift arm oil cylinder, described lift arm oil cylinder is connected by the lift arm of connecting rod with rotovator rotary tillage cutter.
2. the Protection control system of rotovator universal joint according to claim 1 and gearbox, is characterized in that: described angular transducer is contactless magnetic induction angular transducer.
3. the Protection control system of rotovator universal joint according to claim 2 and gearbox; it is characterized in that: described contactless magnetic induction angular transducer comprises angular transducer magnetic patch and angular transducer inductive head; described angular transducer magnetic patch is arranged on rotovator rotary tillage cutter lift arm rotary middle spindle, and described angular transducer inductive head is arranged on angular transducer magnetic patch right opposite.
4. the Protection control system of rotovator universal joint according to claim 1 and gearbox; it is characterized in that: described angular transducer is spindle-type angular transducer, described spindle-type angular transducer is connected with rotovator rotary tillage cutter lift arm rotary middle spindle by shaft coupling.
5. the rotovator universal joint according to arbitrary claim of claim 1-4 and the Protection control system of gearbox, is characterized in that: described magnetic valve is hydraulic buttery valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544765.1U CN204810833U (en) | 2015-07-24 | 2015-07-24 | Protection control system of rotary cultivator universal joint and gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544765.1U CN204810833U (en) | 2015-07-24 | 2015-07-24 | Protection control system of rotary cultivator universal joint and gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN204810833U true CN204810833U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520544765.1U Expired - Fee Related CN204810833U (en) | 2015-07-24 | 2015-07-24 | Protection control system of rotary cultivator universal joint and gearbox |
Country Status (1)
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| CN (1) | CN204810833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104996011A (en) * | 2015-07-24 | 2015-10-28 | 李惠远 | Smart protection and control system and method for universal joint and gearbox of rotary cultivator |
| CN105409353A (en) * | 2015-12-18 | 2016-03-23 | 李惠远 | Intelligent control system and method for rotary cultivator |
| CN109644600A (en) * | 2019-01-15 | 2019-04-19 | 吉林大学 | Adjustable hanging device with resistance and depth of implements STABILITY MONITORING function |
-
2015
- 2015-07-24 CN CN201520544765.1U patent/CN204810833U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104996011A (en) * | 2015-07-24 | 2015-10-28 | 李惠远 | Smart protection and control system and method for universal joint and gearbox of rotary cultivator |
| CN105409353A (en) * | 2015-12-18 | 2016-03-23 | 李惠远 | Intelligent control system and method for rotary cultivator |
| CN105409353B (en) * | 2015-12-18 | 2017-05-31 | 李惠远 | A kind of method being controlled to rotary cultivator |
| CN109644600A (en) * | 2019-01-15 | 2019-04-19 | 吉林大学 | Adjustable hanging device with resistance and depth of implements STABILITY MONITORING function |
| CN109644600B (en) * | 2019-01-15 | 2021-11-12 | 吉林大学 | Adjustable hanging device with resistance and operation depth stability monitoring function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20170724 |