CN205423407U - Developments regulation and control depth limit device - Google Patents
Developments regulation and control depth limit device Download PDFInfo
- Publication number
- CN205423407U CN205423407U CN201620191655.6U CN201620191655U CN205423407U CN 205423407 U CN205423407 U CN 205423407U CN 201620191655 U CN201620191655 U CN 201620191655U CN 205423407 U CN205423407 U CN 205423407U
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- China
- Prior art keywords
- hydraulic cylinder
- piston rod
- gauge wheel
- side link
- double acting
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- Lifting Devices For Agricultural Implements (AREA)
Abstract
The utility model relates to a developments regulation and control depth limit device belongs to agricultural machine technical field. Does the device include cylinder body (2 1 )Fix the two effect pneumatic cylinders (2) in frame (1), horizontal side link (3) are extended to the lower part of cylinder body, the outer end of side link is articulated with the one end of connecting rod (4), the other end of connecting rod is articulated with the upper end of bracing piece (5), the lower extreme of bracing piece is articulated with the shaft of gauge wheel (6), extend and two effect hydraulic cylinder piston rod (2 on the upper portion of bracing piece 2 )Lower extreme articulated support arm, the upper and lower cavity of two effect pneumatic cylinders is respectively through switching -over valve and hydraulic power source intercommunication. This device can be marchd the in -process at machines and is regulated and control, has avoided the gauge wheel to the direct power of biography of piston rod, when not only regulating and control the action reliable, transfer after good very stably moreover.
Description
Technical field
The utility model relates to a kind of dynamic regulation and limits deep device, especially a kind of by HYDRAULIC CONTROL SYSTEM, the degree of depth self-adjustable gauge wheel device, belongs to agricultural machinery technological field.
Background technology
Gauge wheel device is workpiece important on many agricultural machinery and implement such as rotary cultivator, ridger, seeder, fertilizer applicator, the lower fruit harvester of soil, for regulating and controlling, according to soil situation and agriculture requirement, the embedded depth of parts that buries.
According to the applicant understood, the gauge wheel device existing agricultural machinery and implement being equipped with mostly is pin-and-hole and coordinates or the mechanism form of screw transmission.Pin-and-hole formula is coordinated with the pin-and-hole of differing heights on gauge wheel movable sleeve by bearing pin, it is achieved the regulation of the gauge wheel degree of depth；The handle that operates that screw transmission then rotates threaded screw rod cooperation by staff realizes the lifting of gauge wheel.
Above-mentioned existing gauge wheel device not only can only i.e. must be shut down in static regulation; and cannot regulate in real time in facility are advanced; inconvenient; and stability is not good enough; result not only reduces the inefficiency of integrated equipment; but also affect operation quality, it is impossible to adapt to modern agricultural machinery automation and the demand of Intelligentized regulating and controlling.
Summary of the invention
Primary and foremost purpose of the present utility model is: the shortcoming existed for above-mentioned technology, propose a kind of can regulate and control in facility traveling process and reliable and stable dynamic regulation limit deep device.
The utility model it is a further objective that: propose a kind of can in facility traveling process auto-control dynamic regulation limit deep device.
In order to reach above primary and foremost purpose, the utility model dynamic regulation limits the basic technical scheme of deep device: include the double acting hydraulic cylinder (2) that cylinder body (2-1) is fixed in frame (1), horizontal side link (3) is extended in the bottom of described cylinder body, the outer end of described side link is hinged with the one end of connecting rod (4), the other end of described connecting rod and the upper end thereof of support bar (5), the lower end of described support bar is hinged with the wheel shaft of gauge wheel (6), and the support arm hinged with double-action hydraulic cylinder piston rod (2-2) lower end is extended on the top of described support bar；The cavity up and down of described double acting hydraulic cylinder is connected with hydraulic power source by reversal valve respectively.
During work, even if in facility traveling process, it is possible to changing the duty of double acting hydraulic cylinder by controlling reversal valve: when its epicoele feed liquor, piston rod declines, thus moved down by the servo-actuated gauge wheel that orders about of connecting rod and support bar, bury workpiece embedded depth reducing agricultural machinery and implement；And when its cavity of resorption feed liquor, piston rod rises, thus order about gauge wheel lifting by connecting rod and the servo-actuated of support bar, bury workpiece embedded depth strengthening agricultural machinery and implement；When its upper and lower cavity is closed, piston rod is motionless, thus keeps the deep position of limit mixed up.Owing to the side link being hinged, connecting rod and support bar constitute reliable in action when rational triangular support mechanism not only regulates and controls, and sufficiently stable.
In order to reach further purpose, the utility model also includes ultrasonic sensor for ranging (13) and the control circuit being placed in frame, and described reversal valve is solenoid directional control valve；The signal output part of described ultrasonic sensor for ranging connects the distance measuring signal input of described control circuit, and the control output end of described control circuit connects the controlled end of described solenoid directional control valve.So, control circuit is worth comparison operation according to the distance measurement value of real-time probing deeply with the limit arranged in advance or at any time, automatically controls electromagnetism reversal valve, and the on-demand double acting hydraulic cylinder that realizes orders about the lift adjustment of gauge wheel.
Further, vertically downward, the wheel shaft of described gauge wheel deviates the axial of piston rod and is located remotely from the side of side link the piston rod of described double acting hydraulic cylinder all the time.
Further, the cavity up and down of described double acting hydraulic cylinder is connected with the hydraulic pump as hydraulic power source by three position four-way directional control valve respectively, and the oil-in connected tank of described hydraulic pump is connected between the oil-out of described hydraulic pump and reversal valve and has bypass overflow valve.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the utility model is further described.
Fig. 1 is that the system of the utility model embodiment one constitutes schematic diagram.
Fig. 2 is that the system of the utility model embodiment two constitutes schematic diagram.
Fig. 3 is the control circuit block diagram of Fig. 2 embodiment.
Description of reference numerals: 1. frame；2. hydraulic cylinder；2-1. hydraulic cylinder body；2-2. piston rod；3. side link；4. connecting rod；5. support bar；6. gauge wheel；7. fuel tank；8. hydraulic pump；9. overflow valve；10. 3-position 4-way hand-operated direction valve；11. three-position four-way electromagnetic directional valve；12. control circuits；A. gauge wheel assembly；B. hydraulic system.
Detailed description of the invention
Embodiment one
The dynamic regulation of the present embodiment limits deep device as it is shown in figure 1, the gauge wheel assembly A driven by hydraulic system B forms.Fixing the cylinder body 2-1 of double acting hydraulic cylinder 2 in the frame 1 of agricultural equipment, vertically downward, the horizontal side link 3 being connected therewith is extended in the bottom of cylinder body 2-1 to the piston rod 2-2 of this double acting hydraulic cylinder 2.The outer end of side link 3 and the upper end thereof of connecting rod 4, the lower end of connecting rod 4 and the upper end thereof of support bar 5, the lower end of support bar 5 is hinged with the wheel shaft of gauge wheel 6, the support arm 5-1 hinged with double-action hydraulic cylinder piston rod 2-2 lower end is extended on the top of support bar 5, thus constitutes hinged triangular support mechanism.Theoretical calculating all shows with analysis of experiments, and compared with piston-rod lower end is directly connected to gauge wheel wheel shaft design, the reliability and stability of the hinged triangular support mechanism of the present embodiment significantly improve.Additionally, the wheel shaft of the present embodiment gauge wheel deviate all the time piston rod 2-2 axially and be located remotely from the side of side link 3, even if to be in connecting rod 4 the most such with the extreme position of support bar 5 conllinear when triangular support mechanism.This rational biasing triangular support mechanism, it is to avoid gauge wheel power transmission direct to piston rod, therefore support reliable and stable further enhances, and has certain shock-absorbing effect.
The cavity up and down of double acting hydraulic cylinder 2 is connected with the hydraulic pump 8 as hydraulic power source by 3-position 4-way hand-operated direction valve 10 respectively, the oil-in connected tank 7 of hydraulic pump 8, is connected and has bypass overflow valve 9 between oil-out with reversal valve 10.
During use, embedded depth requirement according to outfitting tool workpiece, manually control the three position four-way directional control valve of hydraulic control system, the flexible of double acting hydraulic cylinder piston can be realized, thus drive the gauge wheel being hinged with hinged triangular support mechanism to move up and down, it is achieved even if the deep degree of limit can also be regulated during advancing in real time.
Facts have proved, the triangular hinge mechanism of the present embodiment device and hydraulic control system organically combine, on the one hand the structural stability of gauge wheel is added, on the other hand can conveniently realize facility Non-follow control in traveling and regulate the deep degree of limit, be very suitable for limiting the deep complete set of farm machines and tools regulated in real time with various need.
Embodiment two
The dynamic regulation of the present embodiment limits deep device as shown in Figure 2,3, and basic structure is identical with embodiment one, and difference is ultrasonic sensor for ranging 13 and the control circuit 12 also including being placed in frame.
The composition of control circuit sees Fig. 3, the distance measuring signal input of the signal output part connection control circuit 12 of ultrasonic sensor for ranging 13, and the control output end of control circuit 12 connects the controlled end of three-position four-way electromagnetic directional valve 11, physical circuit is constituted can use for reference Application No. 201520601173.9, the Chinese patent literature of entitled " a kind of little automobile-used control circuit of intelligent distant control ", or see Application No. 201420304487.8, the Chinese patent document of entitled " a kind of four support automatic leveling control circuits ", controlled motor is changed to solenoid directional control valve.
During work, distance signal is sent to control circuit 12 by the ultrasonic sensor for ranging 13 of detection height, after intelligent device comparison operation therein, control signal is sent to three-position four-way electromagnetic directional valve 11, control this reversal valve action, make hydraulic cylinder 2 on-demand flexible, drive the gauge wheel 6 of transmission mechanism terminal to rise or fall, realize gauge wheel 6 and limit being automatically adjusted of deep degree, be particularly well-suited to the supporting of full-automatic intelligent agricultural machinery tool.
In addition to the implementation, the utility model can also have other embodiment.The technical scheme that all employing equivalents or equivalent transformation form are formed, all falls within the protection domain of the utility model requirement.
Claims (4)
1. a dynamic regulation limits deep device, the double acting hydraulic cylinder (2) being fixed in frame (1) including cylinder body (2-1), it is characterized in that: horizontal side link (3) is extended in the bottom of described cylinder body, the outer end of described side link is hinged with the one end of connecting rod (4), the other end of described connecting rod and the upper end thereof of support bar (5), the lower end of described support bar is hinged with the wheel shaft of gauge wheel (6), and the support arm hinged with double-action hydraulic cylinder piston rod (2-2) lower end is extended on the top of described support bar；The cavity up and down of described double acting hydraulic cylinder is connected with hydraulic power source by reversal valve respectively.
Dynamic regulation the most according to claim 1 limits deep device, it is characterised in that: also including ultrasonic sensor for ranging and the control circuit being placed in frame, described reversal valve is solenoid directional control valve；The signal output part of described ultrasonic sensor for ranging connects the distance measuring signal input of described control circuit, and the control output end of described control circuit connects the controlled end of described solenoid directional control valve.
Dynamic regulation the most according to claim 1 and 2 limits deep device, it is characterised in that: vertically downward, the wheel shaft of described gauge wheel deviates the axial of piston rod and is located remotely from the side of side link the piston rod of described double acting hydraulic cylinder all the time.
Dynamic regulation the most according to claim 2 limits deep device, it is characterized in that: the cavity up and down of described double acting hydraulic cylinder is connected with the hydraulic pump as hydraulic power source by three position four-way directional control valve respectively, the oil-in connected tank of described hydraulic pump, is connected between the oil-out of described hydraulic pump and reversal valve and has bypass overflow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191655.6U CN205423407U (en) | 2016-03-14 | 2016-03-14 | Developments regulation and control depth limit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191655.6U CN205423407U (en) | 2016-03-14 | 2016-03-14 | Developments regulation and control depth limit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423407U true CN205423407U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620191655.6U Expired - Fee Related CN205423407U (en) | 2016-03-14 | 2016-03-14 | Developments regulation and control depth limit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570241A (en) * | 2016-03-14 | 2016-05-11 | 农业部南京农业机械化研究所 | Dynamic adjusting depth limiting device |
| CN112616344A (en) * | 2021-01-06 | 2021-04-09 | 辛集市润泽机械科技有限公司 | No-tillage spread-seeding fertilizing seeder |
-
2016
- 2016-03-14 CN CN201620191655.6U patent/CN205423407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570241A (en) * | 2016-03-14 | 2016-05-11 | 农业部南京农业机械化研究所 | Dynamic adjusting depth limiting device |
| CN112616344A (en) * | 2021-01-06 | 2021-04-09 | 辛集市润泽机械科技有限公司 | No-tillage spread-seeding fertilizing seeder |
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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 |
Granted publication date: 20160803 Termination date: 20170314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |