JPH01128706A - Front gauge-type rotary apparatus - Google Patents
Front gauge-type rotary apparatusInfo
- Publication number
- JPH01128706A JPH01128706A JP62287639A JP28763987A JPH01128706A JP H01128706 A JPH01128706 A JP H01128706A JP 62287639 A JP62287639 A JP 62287639A JP 28763987 A JP28763987 A JP 28763987A JP H01128706 A JPH01128706 A JP H01128706A
- Authority
- JP
- Japan
- Prior art keywords
- rotary
- detector
- plowing depth
- type rotary
- front gauge
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Agricultural Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、前ゲージ形ロータリ装置に係り、主として、
畑地の耕耘に利用される。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a front gauge type rotary device, and mainly includes:
It is used for cultivating farmland.
（従来の技術）
トラクタに、三点リンクを介して装着したロータリにあ
っては、自動耕深制御又は自動水平制御を備えたものが
ある （１９８５年隘１８クボタ技報）。(Prior Art) Some rotaries attached to tractors via three-point links are equipped with automatic plowing depth control or automatic leveling control (Kubota Technical Report, 1985, 1985).
（発明が解決しようとする問題点）
ところで、従来技術では、後カバーの角度変位をポテン
ショメータ（可変抵抗）によって検出し、三点リンクを
上下動することによって耕深制御をしていた。(Problems to be Solved by the Invention) In the prior art, the angular displacement of the rear cover was detected by a potentiometer (variable resistor), and the plowing depth was controlled by moving the three-point link up and down.
また、ロータリの水平を検出した左右一対のリフトシリ
ンダの一方を伸縮することにより、レベル制御をしてい
た。In addition, level control was performed by expanding or contracting one of the pair of left and right lift cylinders that detected the horizontality of the rotary.
しかし、この従来の技術では、大きな起伏がある圃場（
特に畑地）で、トラクタが凸部に入るとロータリが浮き
上がり、逆に凹部に入ると、ロータリが大きく前下り状
に突込むことがあっだ。However, with this conventional technology, fields with large undulations (
Especially in fields (in fields), when the tractor enters a convex part, the rotary lifts up, and conversely, when the tractor enters a concave part, the rotary sometimes plunges forward in a downward direction.
これは、ロータリを支える媒体、すなわち、トラクタが
耕深感知部より大きく離れているからである。This is because the medium supporting the rotary, ie, the tractor, is far away from the plowing depth sensor.
本発明は、前ゲージを油圧アクチエータで伸縮又は前後
揺動させることにより、ロータリを確実に支持しないか
らの制御を可能にして前述問題点を解消するのが目的で
ある。An object of the present invention is to extend and contract or swing the front gauge back and forth using a hydraulic actuator, thereby making it possible to control the rotary even though it does not support it reliably, thereby solving the above-mentioned problems.
（問題点を解決するための手段）
本発明は、トラクタ１にリンク機構１０を介して昇降自
在に装着された前ゲージ形ロータリ装置５において、叙
述の目的を達成するために、以下の技術的手段を講じた
のである。(Means for Solving the Problems) The present invention provides a front gauge type rotary device 5 which is attached to a tractor 1 via a link mechanism 10 so as to be able to be raised and lowered, and in order to achieve the stated purpose, the following technical improvements have been made. They took measures.
すなわち、本発明は、耕耘部６の前方左右に備えた前ゲ
ージ８．９を、対地に対して遠近するための油圧アクチ
エータ１１．１２をそれぞれ設け、該油圧アクチエータ
１１，１２を、耕深検出器１６又はレベル検出器１７の
検出信号を介して制御する制御手段１８を設けたことを
特徴とするのである。That is, the present invention provides hydraulic actuators 11 and 12 for moving the front gauges 8 and 9 provided on the front left and right sides of the tilling section 6 toward and away from the ground, respectively, and the hydraulic actuators 11 and 12 are used to detect the plowing depth. The present invention is characterized in that a control means 18 is provided for controlling via a detection signal from a detector 16 or a level detector 17.
（作 用）
〔耕深制御〕
耕深検出器１６の信号が耕深設定器１７と比較され、耕
深が深いときは、ドライブ回路２３．２４を介してソレ
ノイド２１．２２により油圧アクチエータ１１、１２を
いずれも伸長方向に作用して、左右の前ゲージ８．９を
対地に押付けてロータリ耕耘部６を持上げる。(Function) [Plowing depth control] The signal of the plowing depth detector 16 is compared with the plowing depth setting device 17, and when the plowing depth is deep, the hydraulic actuator 11, 12 in the extension direction to press the left and right front gauges 8.9 against the ground and lift the rotary tiller 6.
逆に、耕深が浅いときは、左右ゲージ８．９を短かくし
てロータリ耕耘部６を降下する。Conversely, when the plowing depth is shallow, the left and right gauges 8.9 are shortened and the rotary tiller 6 is lowered.
ロータリ耕耘部６の右側が下方にあるときは、これを検
出器１７で検出し、その信号で、ドライブ回路２３．２
４を介してソレノイド２１により右側の油圧アクチエー
タ１１は伸長させ、左側の油圧アクチエータ１２は短め
で、ここに、前ゲージ８，９を伸縮してレベルを保持す
る。When the right side of the rotary tiller 6 is downward, the detector 17 detects this and uses the signal to control the drive circuit 23.2.
The right hydraulic actuator 11 is extended by the solenoid 21 via the solenoid 4, and the left hydraulic actuator 12 is shorter, and the front gauges 8 and 9 are extended and contracted to maintain the level.
（実施例） 以下、図面を参照して本発明の実施例を詳述する。(Example) Embodiments of the present invention will be described in detail below with reference to the drawings.
第１図において、１はトラクタで、左右一対のリフトア
ーム２を有する油圧装置３を備え、４はその後輪である
。In FIG. 1, 1 is a tractor, which is equipped with a hydraulic device 3 having a pair of left and right lift arms 2, and 4 is a rear wheel.
５はロータリ装置であり、耕耘部６とカバー装置７およ
び左右一対の前ゲージ８，９を備えており、三点リンク
機構１０を介してトラクタｌに昇降自在に装着されてい
る。A rotary device 5 includes a tiller 6, a cover device 7, and a pair of left and right front gauges 8, 9, and is attached to the tractor 1 via a three-point linkage 10 so as to be movable up and down.
前ゲージ８，９は本実施例では伸縮膨油圧シリンダで示
す油圧アクチエータ１１，１２により、ロータリ機枠側
に支持され、ここに、ゲージ輪８Ａ、９Ａが対地に対し
て遠近自在とされている。The front gauges 8 and 9 are supported on the rotary machine frame side by hydraulic actuators 11 and 12, which are telescopic and expansion hydraulic cylinders in this embodiment, and the gauge wheels 8A and 9A are movable toward and away from the ground. .
なお、三点リンク機構ｌＯのロワーリンクは、ロータリ
機枠側のブラケット１３に対してロワーリンク取付ビン
１４Ａを有する屈折リンク１４により上下方向屈折自在
として連結されている（第３図参照、但し、屈折リンク
１４には屈折制限ストッパ（図示せず）が備えられる）
。The lower link of the three-point link mechanism IO is connected to the bracket 13 on the rotary machine frame side by a bending link 14 having a lower link attachment pin 14A so as to be bendable in the vertical direction (see Fig. 3, however, The refraction link 14 is provided with a refraction limiting stopper (not shown).
.
カバー装置７は主カバー７Ａ、！：該カバー７Ａにヒン
ジ７Ｃで屈折自在に連結された後カバー７Ｂとを有し、
後カバー７Ｂの屈折角度を、リンク１５等により可変抵
抗よりなる耕深検出器１６により検出可能としている。The cover device 7 is the main cover 7A,! : It has a rear cover 7B which is refractably connected to the cover 7A by a hinge 7C,
The bending angle of the rear cover 7B can be detected by a plowing depth detector 16 made of a variable resistance via a link 15 or the like.
この検出器１６は主カバー７Ａ上に備えられている。This detector 16 is provided on the main cover 7A.
１７はレベル検出器であり、主カバー７Ａの左右方向中
央部に備えられており、液面近接スイッチ（ＯＮ、 ０
ＦＦ）を有し、オンオフ信号を出すようになっている。Reference numeral 17 denotes a level detector, which is provided in the center of the main cover 7A in the left and right direction, and is equipped with a liquid level proximity switch (ON, 0).
FF), and outputs an on/off signal.
第４図を参照すると、油圧アクチエータ１１．１２の制
御回路（制御手段）１８が示されている。Referring to FIG. 4, the control circuit 18 of the hydraulic actuator 11.12 is shown.
第４図において、工９は耕深設定器、２０は比較器であ
り、検出器１６と設定器１９との信号を比較して深浅信
号を出力するようになっている。In FIG. 4, numeral 9 is a plowing depth setting device, and 20 is a comparator, which compares the signals from the detector 16 and the setting device 19 and outputs a depth signal.
すなわち、設定値に対して大小のみを見るようになって
いる。In other words, only the magnitude of the set value is viewed.
２１．２２はソレノイドであり、ドライブ回路２３゜２
４からの出力信号により、第５図に示す如く左右の油圧
アクチエータ１１．１２を伸縮するものである。21.22 is a solenoid, and the drive circuit 23゜2
4, the left and right hydraulic actuators 11 and 12 are expanded and contracted as shown in FIG.
２５．２６はＯＲ回路であり、レベル検出器１７からの
信号と比較器２０からのいずれかの信号が入力されると
、出力信号が出て、ドライブ回路２３．２４を作動して
、ソレノイド２１．２２を伸縮方向に切換えるようにな
っている。25 and 26 are OR circuits, and when the signal from the level detector 17 and either signal from the comparator 20 are input, an output signal is output, actuating the drive circuits 23 and 24, and driving the solenoid 21. .22 can be switched in the expansion and contraction direction.
なお、第５図において、Ｐはポンプを示している。In addition, in FIG. 5, P indicates a pump.
次に、作用を説明する。Next, the effect will be explained.
〈自動耕深制御〉
検出器１６と設定器１９とにより、耕深Ｌ（第１図参照
）が設定値よりも大きな値となると、これを比較器２０
で比較し、矢示Ａで示す如く源信号を出力し、ＯＲ回路
２５．２６により深信号を左右のドライブ回路２３．２
４に出力し、左右ソレノイド２１．２２をいずれも伸長
方向に切換えて油圧アクチエータ１１．１２を伸長し、
前ゲージ８．９により耕耘部６を持上げて耕深りを浅く
する。<Automatic plowing depth control> When the plowing depth L (see Fig. 1) becomes larger than the set value by the detector 16 and setting device 19, this is detected by the comparator 20.
The source signal is output as shown by arrow A, and the deep signal is sent to the left and right drive circuits 23.2 by the OR circuit 25.26.
4 and switches both the left and right solenoids 21.22 to the extension direction to extend the hydraulic actuator 11.12,
The tilling part 6 is lifted by the front gauge 8.9 to make the tilling depth shallow.
逆に、浅信号Ｂが出力されると、前ゲージ８．９は対地
より離れる方向となり、耕耘部６を下げて耕深を深くす
る。Conversely, when the shallow signal B is output, the front gauge 8.9 moves away from the ground, lowering the tilling section 6 and deepening the plowing depth.
以上により、自動耕深がなされる。Through the above steps, automatic plowing depth is performed.
くレベルＩＩ？卸〉
検出器１７の一方の接点（例えば左側）がオンすると、
ＯＲ回路２５を介してドライブ回路２３に信号が出て、
左側のソレノイド２１を伸長方向に切換えるとともに、
右側のソレノイド２２は縮小方向に切換ねり、ここに、
左右の油圧アクチエータ１１．１２がいずれか一方は伸
長で、他方は縮少となり、ここに、レベル制御がなされ
る。Level II? Wholesale> When one contact (for example, the left side) of the detector 17 is turned on,
A signal is output to the drive circuit 23 via the OR circuit 25,
While switching the left solenoid 21 to the extension direction,
The right solenoid 22 switches to the reduction direction, and here,
One of the left and right hydraulic actuators 11, 12 is extended and the other is contracted, and level control is performed here.
このとき、屈折リンク１４を有するので、三点リンク機
構１０はそのままで、前ゲージ８，９によって支持した
状態で耕耘部６がレベル制御されることになる。At this time, since the bending link 14 is provided, the level of the tilling section 6 is controlled while the three-point linkage mechanism 10 remains as it is and is supported by the front gauges 8 and 9.
なお、以上の実施例では、油圧アクチエータ１１゜１２
で、前ゲージ８，９を伸縮するものとしているが、前ゲ
ージ８，９の支柱又はステーを、ロータリ機枠側に前後
方向揺動するように枢着し、油圧アクチエータ１１．１
２で前後動することにより、対地に対して遠近するよう
にしてもよい。In addition, in the above embodiment, the hydraulic actuator 11°12
Although the front gauges 8 and 9 are designed to be extendable and retractable, the struts or stays of the front gauges 8 and 9 are pivoted to the rotary machine frame side so as to swing back and forth, and the hydraulic actuator 11.1
By moving back and forth in step 2, you may be able to get closer and closer to the ground.
また、前ゲージ８．９は車輪形の他、シュー形であって
もよい。Further, the front gauge 8.9 may be shoe-shaped instead of wheel-shaped.
その他、第１図、第２図において、２７は耕耘爪、２８
は動力受入装置、２９はサイドドライブ機構を示してい
る。In addition, in Figures 1 and 2, 27 is a tiller, 28
indicates a power receiving device, and 29 indicates a side drive mechanism.
（発明の効果）
本発明は、耕耘部の前方左右に備えた前ゲージを、対地
に対して遠近するための油圧アクチエータをそれぞれ設
け、該油圧アクチエータを、耕深検出器又はレベル検出
器の検出信号を介して制御する制御手段を設けたことを
特徴とするものであるから、次の利点がある。 −
左右一対の前ゲージを地面に対して遠近するので、自動
耕深制御、自動レベル制御のいずれの場合でも、前ゲー
ジでロータリを支えての制御となり、耕耘部に近いので
、ロータリの浮上り、前のめりをな（すことができる。(Effects of the Invention) The present invention provides hydraulic actuators for moving the front gauges provided on the front left and right sides of the tilling section closer and closer to the ground, and the hydraulic actuators are used to detect the tillage depth detector or the level detector. Since it is characterized by providing a control means for controlling via signals, it has the following advantages. - Since the pair of left and right front gauges are placed near and far from the ground, the rotary is supported by the front gauges in both automatic plowing depth control and automatic level control, and since they are close to the tilling area, the rotary does not float up. , able to lean forward.
また、ロータリ側に油圧アクチエータを用いて制御して
いるので、トラクタに高価な油圧側’＜Ｂ機構をもたせ
なくともよく、安価にして汎用性に冨むものにできる。Furthermore, since the rotary side is controlled using a hydraulic actuator, there is no need to provide the tractor with an expensive hydraulic side '<B mechanism, and the tractor can be made inexpensive and highly versatile.
前ゲージでロータリを上昇降下するので、制御の応答性
もよく、特に、畑地用に採用して有意義である。Since the rotary is raised and lowered using the front gauge, the control response is good, and it is particularly useful for use in fields.
図面は本発明の実施例を示し、第１図は側面図、第２図
は正面図、第３図はロワーリンク連結部の斜視図、第４
図は制御回路図、第５図は油圧回路図である。
１−１−ラクタ、５−・・ロータリ装置、８．９・−前
ゲージ、ＩＬＩ：２−油圧アクチエータ、１６−耕深検
出器、１７− レベル検出器、１８−・制御手段、２１
．２２−ソレノイド。The drawings show an embodiment of the present invention, and FIG. 1 is a side view, FIG. 2 is a front view, FIG. 3 is a perspective view of the lower link connection part, and FIG.
The figure is a control circuit diagram, and FIG. 5 is a hydraulic circuit diagram. 1-1-actuator, 5-... rotary device, 8.9-- front gauge, ILI: 2- hydraulic actuator, 16- plowing depth detector, 17- level detector, 18-... control means, 21
．． 22-Solenoid.
Claims (1)
装着された前ゲージ形ロータリ装置５において、 耕耘部６の前方左右に備えた前ゲージ８、９を、対地に
対して遠近するための油圧アクチエータ１１、１２をそ
れぞれ設け、該油圧アクチエータ１１、１２を、耕深検
出器１６又はレベル検出器１７の検出信号を介して制御
する制御手段１８を設けたことを特徴とする前ゲージ形
ロータリ装置。(1) In the front gauge type rotary device 5 which is attached to the tractor 1 via the link mechanism 10 so as to be able to be raised and lowered, the front gauges 8 and 9 provided on the left and right sides of the front of the tilling section 6 are used to move them closer and closer to the ground. A front gauge type rotary rotary machine comprising hydraulic actuators 11 and 12, respectively, and a control means 18 for controlling the hydraulic actuators 11 and 12 via a detection signal from a plowing depth detector 16 or a level detector 17. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62287639A JPH01128706A (en) | 1987-11-13 | 1987-11-13 | Front gauge-type rotary apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62287639A JPH01128706A (en) | 1987-11-13 | 1987-11-13 | Front gauge-type rotary apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01128706A true JPH01128706A (en) | 1989-05-22 |
Family
ID=17719831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62287639A Pending JPH01128706A (en) | 1987-11-13 | 1987-11-13 | Front gauge-type rotary apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01128706A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009011164A (en) * | 2007-06-29 | 2009-01-22 | Kobashi Kogyo Co Ltd | Levee-plastering machine |
| JP2016096743A (en) * | 2014-11-19 | 2016-05-30 | 三菱マヒンドラ農機株式会社 | Ground work vehicle |
-
1987
- 1987-11-13 JP JP62287639A patent/JPH01128706A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009011164A (en) * | 2007-06-29 | 2009-01-22 | Kobashi Kogyo Co Ltd | Levee-plastering machine |
| JP2016096743A (en) * | 2014-11-19 | 2016-05-30 | 三菱マヒンドラ農機株式会社 | Ground work vehicle |
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