JP2007330172A - Tea garden implement equipped with body width-changeable mechanism - Google Patents
Tea garden implement equipped with body width-changeable mechanism Download PDFInfo
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- JP2007330172A JP2007330172A JP2006166215A JP2006166215A JP2007330172A JP 2007330172 A JP2007330172 A JP 2007330172A JP 2006166215 A JP2006166215 A JP 2006166215A JP 2006166215 A JP2006166215 A JP 2006166215A JP 2007330172 A JP2007330172 A JP 2007330172A
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- 241001122767 Theaceae Species 0.000 claims abstract description 47
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 14
- 238000013138 pruning Methods 0.000 claims description 9
- 241000607479 Yersinia pestis Species 0.000 claims 4
- 230000004720 fertilization Effects 0.000 claims 4
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
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Abstract
Description
この発明は茶畝を跨いで走行しながら、茶葉の摘採、剪枝、施肥、防除などの作業を行う茶園作業機に関し、特に、茶畝巾の広狭に拘らず、茶園の作業を行うことが出来るようにする為に、走行装置の取付けてある脚柱の間隔を変更可能にした機体巾可変機構を具えた茶園作業機に関するものである。 The present invention relates to a tea plantation machine that performs operations such as plucking, pruning, fertilizing, and controlling tea leaves while traveling across a teacup, and in particular, can perform work on a tea plantation regardless of the width of the teacup width. In order to be able to do so, the present invention relates to a tea plantation work machine equipped with a machine body width variable mechanism which can change the interval between the pedestals to which the traveling device is attached.
機体巾可変機構を具えた茶園作業機に関しては、既に多数の発明がなされ、特許文献が公開されている。その代表例を下記に示す。
特許文献１で示すものは、門型の機体を構成する２本の脚柱の一方は、中央部の本体枠と一体化し、他方の脚柱を本体枠に対して水平方向にスライド可能とし、伸縮シリンダにより、左右の脚柱の間隔を変更可能とするものである。特許文献２で示すものは、門型の機体を構成する左右の脚柱と、中央部の本体枠を各々別個に構成し、本体枠に対して脚柱を左右にスライド可能とし、本体枠にネジ機構を設け、ネジ軸の両端に左右の脚柱を、ナットを介して接続し、ネジ軸を回転することにより、脚柱の間隔を変更可能としてある。 As shown in Patent Document 1, one of the two pedestals constituting the portal-type airframe is integrated with the central body frame, and the other pedestal can be slid horizontally with respect to the main body frame. The distance between the left and right pedestals can be changed by the telescopic cylinder. In Patent Document 2, the left and right pedestals constituting the portal-type airframe and the central body frame are separately configured, and the pedestal can be slid to the left and right with respect to the main body frame. A screw mechanism is provided, the left and right pedestals are connected to both ends of the screw shaft via nuts, and the interval between the pedestals can be changed by rotating the screw shaft.
機体巾を変更するとき、重要なことは本体中央部に取付けてある作業機ユニットを、常に機体巾の中心に位置するようにすることである。特許文献１に示すものは機体巾を変更する為に、脚柱の片方だけを水平方向に伸縮させるので、機体の中心がずれてしまう。この為、本体枠に取付けてある作業機ユニットの、本体枠に対する位置を変えなければならない。 When changing the machine width, it is important that the work machine unit attached to the center of the main body is always located at the center of the machine width. Since the one shown in Patent Literature 1 changes the width of the body, only one of the pedestals is expanded and contracted in the horizontal direction, so that the center of the body is shifted. For this reason, the position of the work machine unit attached to the main body frame with respect to the main body frame must be changed.
この問題を解決する為に、特許文献３に示すような発明がなされている。特許文献３の発明では変位支持フレームという補助フレームを設け、これで作業機ユニットを支え、機体巾を決める脚柱との間をリンク機構で結び、機体巾に応じて自動的に作業機ユニットが中心に来るようにしている。 In order to solve this problem, an invention as shown in Patent Document 3 has been made. In the invention of Patent Document 3, an auxiliary frame called a displacement support frame is provided, which supports the work machine unit, connects the pedestal that determines the machine width with a link mechanism, and automatically sets the work machine unit according to the machine width. I try to come to the center.
特許文献２で示すものは、本体枠に対して脚柱を左右にスライド可能としてあるので、左右の脚柱を同じ寸法だけ水平方向に伸縮させれば、作業機ユニットは常に中心に位置するので、機体巾に応じて自動的に作業機ユニットが中心に来るような機構は不要である。 In the one shown in Patent Document 2, since the pedestal can be slid to the left and right with respect to the main body frame, if the left and right pedestals are expanded and contracted in the horizontal direction by the same dimension, the work implement unit is always located at the center. A mechanism that automatically brings the work machine unit to the center according to the machine width is unnecessary.
又、特許文献２では、前後に２本のネジ軸を設け、チェーンにより前後のネジ軸を同時に廻して、前の脚柱と後の脚柱の移動量が同じになるようにしている。本体前側の門型枠と後側の門型枠の間には、いろいろな機器が設置されているので、チェーンなど機械的な方法で前後のネジ軸を繋ぐのは困難である。 In Patent Document 2, two screw shafts are provided on the front and rear sides, and the front and rear screw shafts are simultaneously rotated by a chain so that the amount of movement of the front and rear pedestals is the same. Since various devices are installed between the front portal frame and the rear portal frame, it is difficult to connect the front and rear screw shafts by a mechanical method such as a chain.
更に、機体巾を変更した場合、現在機体巾がいくつになっているか、ということを数値で知ることが必要である。 Furthermore, when the aircraft width is changed, it is necessary to know numerically what the current aircraft width is.
この発明は機体巾の変更をより簡単に行う新たな方法と、作業機ユニットを自動的に機体巾の中心に持ってくる新たな方法と、機体巾の寸法を数値で示す方法を提供すること、を課題とする。 This invention provides a new method for changing the machine width more easily, a new method for automatically bringing the work machine unit to the center of the machine width, and a method for numerically indicating the dimensions of the machine width. , Is an issue.
この発明の第一の手段は、茶畝を跨いだ門型の機体の、左右の脚柱の下に走行装置を設け、茶畝に沿って走行しながら、摘採、剪枝、施肥、防除などの作業を行う茶園作業機において、走行装置を備えた左右の脚柱と、茶園作業を行う作業機ユニットを取付けた中央部の本体枠を各々別個に構成し、本体枠に対して脚柱を左右にスライド可能として、左右の脚柱の間隔を変更可能とした茶園作業機において、左右の脚柱間に水平方向に伸縮可能なアクチュエータをセットし、本体枠にピニオンギヤを設け、左右の脚柱にそれぞれラックギヤを取付け、左右の脚柱から伸びたラックギヤを、本体枠のピニオンギヤを挟んで噛み合せるようにした機体巾可変機構を具えた茶園作業機である。 The first means of the present invention is a gate-type airframe straddling a teacup, provided with a traveling device under the left and right pedestals, plucking, pruning, fertilizing, controlling, etc. while traveling along the teacup In the tea plantation machine that performs the above work, the left and right pedestals with traveling devices and the central body frame to which the work machine unit that performs the tea plantation work are separately configured, and the pedestal is attached to the main body frame. In a tea garden work machine that can be slidable to the left and right, and the distance between the left and right pedestals can be changed, an actuator that can be expanded and contracted in the horizontal direction is set between the left and right pedestals, and a pinion gear is provided on the main body frame. This is a tea garden work machine equipped with a machine width varying mechanism in which rack gears are attached to each other and the rack gears extending from the left and right pedestals are meshed with the pinion gears of the main body frame interposed therebetween.
第二の手段は 茶畝を跨いだ門型の機体の、左右の脚柱の下に走行装置を設け、茶畝に沿って走行しながら、摘採、剪枝、施肥、防除などの作業を行う茶園作業機において、走行装置を備えた左右の脚部柱と、茶園作業を行う作業機ユニットを取付けた中央部の本体枠を各々別個に構成し、本体枠に対して脚柱を左右にスライド可能として、左右の脚柱の間隔を変更可能とした茶園作業機において、本体枠にピニオンギヤを設け、左右の脚柱にそれぞれラックギヤを取付け、左右の脚柱から伸びたラックギヤを、本体枠のピニオンギヤを挟んで噛み合せ、該ピニオンギヤを正転、逆転させることにより、左右の脚柱の間隔を変更するようにした機体巾可変機構を具えた茶園作業機である。 The second means is a gate-type aircraft straddling the teacup, with a traveling device under the left and right pedestals, and performing operations such as plucking, pruning, fertilizing, and controlling while traveling along the teacup. In the tea plantation machine, the left and right leg pillars equipped with a traveling device and the central body frame with the work machine unit that performs the tea garden work are configured separately, and the leg pillars slide to the left and right with respect to the body frame In a tea plantation machine that can change the distance between the left and right pedestals, pinion gears are provided on the body frame, rack gears are attached to the left and right pedestals, and rack gears extending from the left and right pedestals are connected to the pinion gears on the body frame. Is a tea garden work machine equipped with a mechanism width variable mechanism that changes the distance between the left and right pedestals by rotating the pinion gear forward and reverse.
第三の手段は、茶畝を跨いだ門型の機体の、左右の脚柱の下に走行装置を設け、茶畝に沿って走行しながら、摘採、剪枝、施肥、防除などの作業を行う茶園作業機において、走行装置を備えた左右の脚柱と、茶園作業を行う作業機ユニットを取付けた中央部の本体枠を各々別個に構成し、脚柱のうち一方を本体枠に固定し、他方を本体枠に対して左右にスライド可能として、左右の脚柱の間隔を変更可能とした茶園作業機において、作業機ユニットを本体枠に対して、左右にスライド可能に保持し、左右の脚柱間に水平方向に伸縮可能なアクチュエータをセットし、本体枠にピニオンギヤＡを設け、スライド可能な脚柱にラックギヤＡを設け、ラックギヤＡを、本体枠のピニオンギヤＡに噛み合せ、ピニオンギヤＡの回転軸に、ピニオンギヤＡの歯数、の半分の歯数のピニオンギヤＢを取付け、作業機ユニットに設けたラックギヤＢと、ピニオンギヤＢを噛合わせるようにした、機体巾可変機構を具えた茶園作業機である。 The third means is to install a traveling device under the left and right pedestals of the gate-type aircraft straddling the teacup, and perform operations such as plucking, pruning, fertilizing, and controlling while traveling along the teacup. In the tea plantation machine to be used, the left and right pedestal with a traveling device and the central body frame to which the work machine unit for performing the tea garden work is separately configured, and one of the limbs is fixed to the main body frame. In the tea garden work machine that allows the other to slide to the left and right with respect to the main body frame, and the interval between the left and right pedestals can be changed, the work machine unit is slidable to the left and right with respect to the main body frame, An actuator that can be expanded and contracted in the horizontal direction is set between the pedestals, a pinion gear A is provided on the main body frame, a rack gear A is provided on the slidable pedestal, and the rack gear A is meshed with the pinion gear A of the main body frame to rotate the pinion gear A Pinion gear on the shaft Install the pinion gear B number of teeth, half the number of teeth of the rack gear B provided in the working machine unit, and to meshing the pinion gear B, a tea garden working machine comprising a machine body width changing mechanism.
第四の手段は、茶畝を跨いだ門型の機体の、左右の脚柱の下に走行装置を設け、茶畝に沿って走行しながら、摘採、剪枝、施肥、防除などの作業を行う茶園作業機において、走行装置を備えた左右の脚柱と、茶園作業を行う作業機ユニットを取付けた中央部の本体枠を各々別個に構成し、脚柱のうち一方を本体枠に固定し、他方を本体枠に対して左右にスライド可能として、左右の脚柱の間隔を変更可能とした茶園作業機において、作業機ユニットを本体枠に対して、左右にスライド可能に保持し、本体枠にピニオンギヤＡを設け、スライド可能な脚柱にラックギヤＡを設け、ラックギヤＡを、本体枠のピニオンギヤＡに噛み合せ、ピニオンギヤＡの回転軸に、ピニオンギヤＡの歯数、の半分の歯数のピニオンギヤＢを取付け、作業機ユニットに設けたラックギヤＢと、ピニオンギヤＢを噛合わせ、ピニオンギヤＡ,Ｂの回転軸を正転、逆転させることにより、左右の脚柱の間隔を変更するようにした、機体巾可変機構を具えた茶園作業機である。 The fourth means is to install a traveling device under the left and right pedestals of the gate-type aircraft straddling the bowl, and perform operations such as plucking, pruning, fertilizing, and controlling while running along the bowl. In the tea plantation machine to be used, the left and right pedestal with a traveling device and the central body frame to which the work machine unit for performing the tea garden work is separately configured, and one of the limbs is fixed to the main body frame. In the tea garden work machine that allows the other to slide to the left and right with respect to the main body frame, and to change the interval between the left and right pedestals, the work machine unit is held slidable to the left and right with respect to the main body frame. Is provided with a pinion gear A, a rack gear A is provided on a slidable pedestal, the rack gear A is meshed with the pinion gear A of the main body frame, and the pinion gear B has half the number of teeth of the pinion gear A on the rotation shaft of the pinion gear A. Install the work unit A tea garden with a variable body width mechanism that meshes the rack gear B and the pinion gear B, and changes the distance between the left and right pedestals by rotating the rotation shafts of the pinion gears A and B forward and backward. It is a work machine.
第五の手段は、上記１,２,３,４の各手段のピニオンギヤに、位置検出センサーを取付けることである。 The fifth means is to attach a position detection sensor to the pinion gear of each of the means 1, 2, 3, 4 described above.
第六の手段は、上記１,２,３,４の各手段のラックギヤに近接して、位置検出センサーを取付けることである。 The sixth means is to attach a position detection sensor in the vicinity of the rack gear of each of the means 1, 2, 3, 4 described above.
第七の手段は、位置検出センサーをエンコーダとすることである。 The seventh means is to use the position detection sensor as an encoder.
第八の手段は、位置検出センサーを近接スイッチとすることである。 The eighth means is to make the position detection sensor a proximity switch.
第九の手段は、複数の門型枠を有する茶園作業機の、機体巾を伸縮自在にする為には、各門型枠にそれぞれ、機体巾を検出する位置センサーを具えるということである。
The ninth means is that, in order to make the body width of the tea garden working machine having a plurality of gate-shaped frames extendable and retractable, each gate-shaped frame is provided with a position sensor for detecting the machine width. .
請求項１の発明によれば、門型の機体は左脚柱、右脚柱、中央の本体枠の、３ケの部分で構成される。機体巾変更に当って、左右の脚柱に渡したアクチュエータを伸縮させ、直接脚柱を動かすので、本体枠には、機体巾変更の為の力が掛らないので無理が生じない。
本体枠に設けたピニオンギヤは、左右の脚柱から伸びたラックギヤと噛合っているので、脚柱の移動により、ピニオンギヤが廻り、本体枠を常に機体の中心に保つという作用を生じる。作業機ユニットは本体枠に取付けてあるので、特別のリンク機構が無くても機体巾に関係なく、機体巾の中心の位置を維持する。
According to the first aspect of the present invention, the portal-type airframe is composed of three parts: a left pedestal, a right pedestal, and a central body frame. When changing the body width, the actuators passed to the left and right pedestals are expanded and contracted, and the pedestal is moved directly. Therefore, no force is applied to the body frame to change the body width.
Since the pinion gear provided on the main body frame is engaged with the rack gear extending from the left and right pedestals, the pinion gear is rotated by the movement of the pedestal and the main body frame is always kept at the center of the aircraft. Since the work machine unit is attached to the main body frame, the center position of the machine body width is maintained regardless of the machine body width even if there is no special link mechanism.
請求項２の発明によれば、本体枠のピニオンギヤを動力によって回転させることにより、脚柱に接続したラックギヤを動かして、機体巾を変更させるので、請求項１のように左右の脚柱に渡す、アクチュエータを必要としないので構造が簡単になる。
参考文献２では、本体枠に設けたネジ軸を廻すことにより、左右の脚柱を動かしている。
ネジ送りは、基本的に摩擦力が作用するので、動力の伝達効率が悪くネジ軸とナットに無理な力が掛る。摩擦を減らし、磨耗を防ぐ為に給油が必要である。ピニオンギヤとラックギヤによる送りは、面接触であり摩擦を生じないので効率がよい。給油も不要である。
According to the second aspect of the present invention, by rotating the pinion gear of the main body frame by power, the rack gear connected to the pedestal is moved to change the width of the machine body. Since the actuator is not required, the structure is simplified.
In Reference 2, the left and right pedestals are moved by turning a screw shaft provided on the main body frame.
In screw feed, frictional force basically acts, so power transmission efficiency is poor and excessive force is applied to the screw shaft and nut. Refueling is necessary to reduce friction and prevent wear. The feed by the pinion gear and the rack gear is efficient because it is surface contact and does not generate friction. Refueling is also unnecessary.
請求項３の発明によれば、脚柱の一方は本体枠に固定され、一体化されているので、移動させるのは片方の脚柱だけでよい。従って、機体の構造は簡単になる。しかし、この方法では、脚柱の移動により機体の中心が変わるので、作業機ユニットを本体枠に対して、左右にスライド可能に保持する必要がある。請求項１と同様に、機体巾変更に当って、左右の脚柱に渡したアクチュエータを伸縮させ、直接脚柱を動かすので、本体枠には、機体巾変更の為の力が掛らないので無理が生じない。
本体枠に設けたピニオンギヤＡとピニオンギヤＢは歯数が２対１になっているので、ピニオンギヤＢと噛合っている作業機ユニット側のラックギヤＢは、ピニオンギヤＡと噛合っている脚柱側のラックギヤＡの二分の一だけ移動し、作業機ユニットを機体の中心に保つ。このようにすれば、作業機ユニットを中心に保つ為の特別なリンク機構を必要としない。
According to the invention of claim 3, since one of the pillars is fixed and integrated with the main body frame, only one leg pillar needs to be moved. Therefore, the structure of the airframe is simplified. However, in this method, since the center of the machine body changes due to the movement of the pedestal, it is necessary to hold the work machine unit slidable from side to side with respect to the main body frame. As in the case of claim 1, when changing the body width, the actuator passed to the left and right pedestals is expanded and contracted, and the pedestal is moved directly, so the body frame is not subjected to force for changing the body width. There is no unreasonableness.
Since the pinion gear A and the pinion gear B provided on the main body frame have a two-to-one number of teeth, the rack gear B on the side of the work unit that meshes with the pinion gear B is on the side of the pedestal that meshes with the pinion gear A. Move half the rack gear A and keep the work implement unit in the center of the fuselage. In this way, a special link mechanism for keeping the work machine unit at the center is not required.
請求項４の発明によれば、請求項２と同様に、本体枠のピニオンギヤＡ,Ｂを動力によって回転させて、機体巾を変更させるので、請求項３のように左右の脚柱に渡すアクチュエータを必要としないので、構造が簡単になる。 According to the fourth aspect of the invention, as in the second aspect, the pinion gears A and B of the main body frame are rotated by power to change the width of the body, so that the actuator passed to the left and right pedestals as in the third aspect The structure is simplified.
次に請求項５,６,７,８の発明の効果を説明する。
従来の機体巾可変機構を具えた茶園作業機は、機体巾を変えるとき作業者が目測で巾を決めている。従って、茶畝を変えたとき、いくつの巾でやっていたのか数値として残らない。数値データが残れば、未経験者に適切な指示を与えることが出来る。
請求項１,２,３,４の発明の場合、ピニオンギヤに位置検出センサーをつける方法と、ラックギヤに位置検出センサーをつける方法がある。位置検出センサーとしてピニオンギヤの軸にエンコーダを繋ぎ、ピニオンギヤの回転を計測して機体巾を出す方法がある。
位置検出センサーとして近接スイッチを用いるときは、ラックギヤ又はピニオンギヤの歯の近くに近接スイッチを取付け、動いたときの歯数をカウントすればよい。このようにすれば簡単に機体巾を数値で掴むことができる。
Next, the effects of the inventions of claims 5, 6, 7 and 8 will be described.
In a conventional tea garden work machine equipped with a machine body variable mechanism, the operator determines the width by eye when changing the machine width. Therefore, when the bowl is changed, it does not remain as a numerical value how many widths it was done. If numerical data is left, appropriate instructions can be given to inexperienced persons.
In the first, second, third and fourth inventions, there are a method of attaching a position detection sensor to the pinion gear and a method of attaching a position detection sensor to the rack gear. As a position detection sensor, there is a method of connecting the encoder to the pinion gear shaft and measuring the rotation of the pinion gear to obtain the body width.
When a proximity switch is used as the position detection sensor, a proximity switch is attached near the teeth of the rack gear or pinion gear, and the number of teeth when moved is counted. In this way, the aircraft width can be easily grasped by numerical values.
機体の構造上、左右の走行装置を繋ぐ門型枠が複数、必要な場合がある。この場合には、全部の門型枠を同じように伸縮させねばならない。請求項９の発明のように、各門型枠に位置検出センサーを備えていれば、各門型枠の伸縮状態を測り、同時に伸縮するようにコントロールし、機体が歪まないようにすることが出来る。 Due to the structure of the fuselage, there may be cases where a plurality of gate frames connecting the left and right traveling devices are required. In this case, all the gate forms must be expanded and contracted in the same way. As in the ninth aspect of the invention, if each portal frame is provided with a position detection sensor, the expansion / contraction state of each portal frame is measured and controlled to expand and contract at the same time, so that the aircraft is not distorted. I can do it.
まず、請求項１の発明の実施例を図１に従って説明する。図１は茶畝を跨いだ門型の機体の正面図であり、１は中央部の本体枠であり、作業機ユニット２が取付けてある。本体枠１の左には左脚柱３が、右には右脚柱４が、本体枠１に対してスライド可能に嵌め合せてある。脚柱３,４の下には、それぞれ走行装置５,６が取付けてある。７は油圧シリンダであり、脚柱３,４に渡して、直接取付けてある。本体枠１の中央付近にはピニオンギヤ８が設けてある。ピニオンギヤ８の下側には、左脚柱３に取付けたラックギヤ９が噛合い、上側には、右脚柱４に取付けたラックギヤ１０が噛合っている。 First, an embodiment of the invention of claim 1 will be described with reference to FIG. FIG. 1 is a front view of a gate-type machine body straddling a teacup, and 1 is a central body frame, to which a work machine unit 2 is attached. A left leg 3 is fitted to the left of the main body frame 1 and a right leg 4 is fitted to the right of the main body frame 1 so as to be slidable. Under the pedestals 3 and 4, traveling devices 5 and 6 are attached, respectively. Reference numeral 7 denotes a hydraulic cylinder which is directly attached to the pedestals 3 and 4. A pinion gear 8 is provided near the center of the main body frame 1. A rack gear 9 attached to the left leg column 3 meshes with the lower side of the pinion gear 8, and a rack gear 10 attached to the right leg column 4 meshes with the upper side.
図１(Ａ）は油圧シリンダ７が伸びた状態を示している。この時油圧シリンダ７を縮めると、左脚柱３と右脚柱４がひきよせられ、本体枠１内のラックギヤ９とラックギヤ１０は水平にスライドし、ピニオンギヤ８を廻す。ラックギヤ９とラックギヤ８はピニオンギヤ８を介して、噛合っているのでラックギヤ８とラックギヤ９の移動量は、方向は反対であるが同じである。従って、ピニオンギヤ８の取付けてある本体枠１は脚柱３,４の中心に保たれる。 FIG. 1A shows a state where the hydraulic cylinder 7 is extended. When the hydraulic cylinder 7 is contracted at this time, the left leg column 3 and the right leg column 4 are drawn, the rack gear 9 and the rack gear 10 in the main body frame 1 slide horizontally, and the pinion gear 8 is rotated. Since the rack gear 9 and the rack gear 8 are engaged with each other via the pinion gear 8, the movement amounts of the rack gear 8 and the rack gear 9 are the same although the directions are opposite. Therefore, the main body frame 1 to which the pinion gear 8 is attached is kept at the center of the leg posts 3 and 4.
図１（Ｂ）は油圧シリンダ７が縮んだ状態を示す。油圧シリンダ７を伸縮させる時、地面に接している走行装置５,６には無理な力が掛るので、機体巾を変えるのは走行装置５,６を動かして、前進又は後退しながら行う必要がある。油圧シリンダ７の代わりに電動シリンダでもよい。 FIG. 1B shows a state where the hydraulic cylinder 7 is contracted. When the hydraulic cylinder 7 is expanded or contracted, an unreasonable force is applied to the traveling devices 5 and 6 that are in contact with the ground. Therefore, it is necessary to move the traveling devices 5 and 6 and move the traveling devices 5 and 6 while moving forward or backward. is there. An electric cylinder may be used instead of the hydraulic cylinder 7.
次に、請求項２の発明について、図２により説明する。
図２は、機体巾変更駆動部を説明する為に、図１から請求項２に関するピニオンギヤ８の付近だけを取出した部分詳細図である。請求項２の発明では図１の油圧シリンダ７は不要になる。その代りピニオンギヤ８の回転軸１１に油圧モータ１２を取付ける。これは電動モータでもよい。１３はピニオンギヤ８の回転角を知る為に取付けてあるエンコーダである。
Next, the invention of claim 2 will be described with reference to FIG.
FIG. 2 is a partial detail view showing only the vicinity of the pinion gear 8 relating to FIG. 1 to FIG. 2 in order to explain the fuselage width changing drive unit. In the invention of claim 2, the hydraulic cylinder 7 of FIG. Instead, a hydraulic motor 12 is attached to the rotating shaft 11 of the pinion gear 8. This may be an electric motor. Reference numeral 13 denotes an encoder attached to know the rotation angle of the pinion gear 8.
図２(Ａ）は平面図、図２(Ｂ）は図２(Ａ）の正面側面図である。
油圧モータ１２を正逆転させると、ピニオンギヤ８が廻り、ラックギヤ８,９はそれぞれ反対の方向にスライドさせられ、脚柱３,４が左右に移動し、機体巾を変えることが出来る。
2A is a plan view, and FIG. 2B is a front side view of FIG.
When the hydraulic motor 12 is rotated in the forward and reverse directions, the pinion gear 8 is rotated, the rack gears 8 and 9 are slid in opposite directions, and the pedestals 3 and 4 are moved to the left and right to change the body width.
請求項３の発明の実施例について、図３により説明する。
図３は茶畝を跨いだ門型の機体の正面図であり、中央部の本体枠１は右脚柱４と一体化しているが、左脚柱３は、本体枠１に対してスライド可能に嵌め合せてある。本体枠１と平行して補助桁２５が水平に設けてあり、作業機ユニット２が補助桁２５で水平方向に遊動可能に保持されている。
脚柱３,４の下には、それぞれ走行装置５,６が取付けてある。 ７は油圧シリンダであり、脚柱３,４に渡して、直接取付けてある。本体枠１の中央付近にはピニオンギヤＡ１４が設けてある。ピニオンギヤＡ１４の下側には、左脚柱３に取付けたラックギヤＡ１５が噛合わせてある。ピニオンギヤＡ１４の回転軸１１にはピニオンギヤＢ１６が取付けてある。ピニオンギヤＢ１６の歯数はピニオンギヤＡ１４の半分となっている。ピニオンギヤＢ１６には作業機ユニット２側のラックギヤＢ１７が噛合わせてある。
An embodiment of the invention of claim 3 will be described with reference to FIG.
FIG. 3 is a front view of a gate-type airframe straddling the teacup. The main body frame 1 in the center is integrated with the right pedestal 4, but the left pedestal 3 is slidable with respect to the main body frame 1. Is fitted. An auxiliary girder 25 is provided horizontally in parallel with the main body frame 1, and the work machine unit 2 is held by the auxiliary girder 25 so as to be freely movable in the horizontal direction.
Under the pedestals 3 and 4, traveling devices 5 and 6 are attached, respectively. Reference numeral 7 denotes a hydraulic cylinder which is directly attached to the pedestals 3 and 4. A pinion gear A <b> 14 is provided near the center of the main body frame 1. A rack gear A15 attached to the left pedestal 3 is meshed with the lower side of the pinion gear A14. A pinion gear B16 is attached to the rotating shaft 11 of the pinion gear A14. The number of teeth of the pinion gear B16 is half that of the pinion gear A14. The rack gear B17 on the work machine unit 2 side is meshed with the pinion gear B16.
図３(Ａ）は油圧シリンダ７が伸びた状態を示している。この時油圧シリンダ７を縮めると、左脚柱３と右脚柱４がひきよせられ、本体枠１内のラックギヤＡ１５は水平にスライドし、ピニオンギヤＡ１４を廻す。この時ピニオンギヤＢ１６も回転し、ラックギヤＢ１７を動かす。ピニオンギヤＢ１６の歯数はピニオンギヤＡ１４の半分なので
ラックギヤＢ１７はラックギヤＡ１５の半分だけ同じ方向に移動し、ラックギヤＢ１７が取付けてある作業機ユニット２を機体巾の中心に保つ。
FIG. 3A shows a state where the hydraulic cylinder 7 is extended. When the hydraulic cylinder 7 is contracted at this time, the left leg column 3 and the right leg column 4 are drawn, the rack gear A15 in the main body frame 1 slides horizontally, and the pinion gear A14 is rotated. At this time, the pinion gear B16 also rotates to move the rack gear B17. Since the number of teeth of the pinion gear B16 is half that of the pinion gear A14, the rack gear B17 moves in the same direction by half of the rack gear A15, and the work machine unit 2 to which the rack gear B17 is attached is kept at the center of the body width.
次に、請求項４の発明について、図４により説明する。
図４は機体巾変更駆動部の説明の為に、図３から、請求項４に関するピニオンギヤＡ１４、ピニオンギヤＢ１６付近だけを取出した部分詳細図である。
請求項４の発明では図３の油圧シリンダ７は不要になる。その代りピニオンギヤＡ１４、Ｂ１６の回転軸１１に油圧モータ１２を取付ける。これは電動モータでもよい。１３は回転軸１１の回転角を知る為に取付けてあるエンコーダである。
Next, the invention of claim 4 will be described with reference to FIG.
FIG. 4 is a partial detailed view showing only the vicinity of the pinion gear A14 and the pinion gear B16 related to claim 4 from FIG.
In the invention of claim 4, the hydraulic cylinder 7 of FIG. Instead, the hydraulic motor 12 is attached to the rotating shaft 11 of the pinion gears A14 and B16. This may be an electric motor. An encoder 13 is attached to know the rotation angle of the rotary shaft 11.
図４(Ａ）は平面図、図４(Ｂ）は図４(Ａ）の正面から見た側面図である。
油圧モータ１２を正逆転させると、ピニオンギヤＡ１４、Ｂ１６が廻り、ラックギヤＡ１５が動き、左脚柱３を左右に移動させ、機体巾を変えることが出来る。この時、ピニオンギヤＢ１６と噛合ったラックギヤＢ１７はラックギヤＡ１４の半分だけ同じ方向に移動し、ラックギヤＢ１７が取付けてある作業機ユニット２を機体巾の中心に保つ。
4A is a plan view, and FIG. 4B is a side view seen from the front of FIG. 4A.
When the hydraulic motor 12 is rotated forward and backward, the pinion gears A14 and B16 are rotated, the rack gear A15 is moved, the left pedestal 3 is moved to the left and right, and the body width can be changed. At this time, the rack gear B17 meshed with the pinion gear B16 moves in the same direction by half of the rack gear A14, and keeps the work machine unit 2 to which the rack gear B17 is attached at the center of the body width.
請求項５,８の発明の実施例を図５で示す。２０は近接スイッチであり、ピニオンギヤ８に接近して取付けてあり、ピニオンギヤ８の歯型の山をカウントする。２１は基準点を決める為のリミットスイッチである。ラックギヤ９が移動すると、ピニオンギヤ８が廻り、近接スイッチ２０により基準点からどれだけ移動したか知ることが出来る。 An embodiment of the invention of claims 5 and 8 is shown in FIG. Reference numeral 20 denotes a proximity switch which is mounted close to the pinion gear 8 and counts the tooth-shaped peaks of the pinion gear 8. Reference numeral 21 denotes a limit switch for determining a reference point. When the rack gear 9 is moved, the pinion gear 8 is rotated and the proximity switch 20 can know how much it has moved from the reference point.
請求項６,８の発明の実施例を図６で示す。１９は近接スイッチであり、ラックギヤ９に接近して取付けてあり、ラックギヤ９の歯型の山をカウントする。２１は基準点を決める為のリミットスイッチである。ラックギヤ９が移動すると、近接スイッチ１９により基準点からどれだけ移動したか知ることが出来る。 An embodiment of the invention of claims 6 and 8 is shown in FIG. Reference numeral 19 denotes a proximity switch which is mounted close to the rack gear 9 and counts the tooth-shaped peaks of the rack gear 9. Reference numeral 21 denotes a limit switch for determining a reference point. When the rack gear 9 moves, the proximity switch 19 can know how much it has moved from the reference point.
請求項９の発明の実施例を図７(Ａ)、７(Ｂ)で示す。この例では、左右の走行装置を繋ぐ門型枠がＡグループは１Ａ、３Ａ、４Ａ、Ｂグループは１Ｂ,３Ｂ、４Ｂで構成され、前後２ケ所に設けてある。本体枠１Ａ、１Ｂは梁２２、２３で繋いで一体化してある。本体枠の下には作業機ユニット２が取付けてある。本体枠１Ａには油圧モータ１２Ａ、エンコーダ１３Ａ、ピニオンギヤ８Ａが取付けてあり、本体枠１Ｂには油圧モータ１２Ｂ、エンコーダ１３Ｂ、ピニオンギヤ８Ｂが取付けてある。走行装置５,６を動かしながら、油圧モータ１２Ａ、１２Ｂを回転させると脚柱が左右に移動し、機体巾が変わる。この時、前後の門型枠の巾に違いが出ないように、エンコーダ１３Ａ,１３Ｂで測定しながら、同じように伸縮するようにコントロールする。 An embodiment of the invention of claim 9 is shown in FIGS. 7 (A) and 7 (B). In this example, the gate form frame connecting the left and right traveling devices is composed of 1A, 3A, 4A for Group A, and 1B, 3B, 4B for Group B, and is provided at two front and rear locations. The main body frames 1A and 1B are connected by beams 22 and 23 and integrated. A work machine unit 2 is attached under the main body frame. A hydraulic motor 12A, encoder 13A, and pinion gear 8A are attached to the main body frame 1A, and a hydraulic motor 12B, encoder 13B, and pinion gear 8B are attached to the main body frame 1B. When the hydraulic motors 12A and 12B are rotated while moving the traveling devices 5 and 6, the pedestal moves to the left and right, and the body width changes. At this time, control is performed so as to expand and contract in the same manner while measuring with the encoders 13A and 13B so that there is no difference in the width of the front and rear portal frame.
１ 本体枠
１Ａ 本体枠前
１Ｂ 本体枠後
２ 作業機ユニット
３ 左脚柱
３Ａ 左脚柱前
３Ｂ 左脚柱後
４ 右脚柱
４Ａ 右脚柱前
４Ｂ 右脚柱後
５ 左走行装置
６ 右走行装置
７ 油圧シリンダ
８ ピニオンギヤ
８Ａ ピニオンギヤ前
８Ｂ ピニオンギヤ後
９ 左脚柱側ラックギヤ
９Ａ 左脚柱側ラックギヤ前
９Ｂ 左脚柱側ラックギヤ後
１０ 右脚柱側ラックギヤ
１０Ａ 右脚柱側ラックギヤ前
１０Ｂ 右脚柱側ラックギヤ後
１１ ピニオンギヤ回転軸
１２ 油圧モータ
１２Ａ 油圧モータ前
１２Ｂ 油圧モータ後
１３ エンコーダ
１３Ａ エンコーダ前
１３Ｂ エンコーダ後
１４ ピニオンギヤＡ
１５ ラックギヤＡ
１６ ピニオンギヤＢ
１７ ラックギヤＢ
１８ エンコーダ取付け板
１９ 近接スイッチ
２０ 近接スイッチ
２１ リミットスイッチ
２２ 梁
２３ 梁
２４ 作業機ユニット取付けブラケット
２５ 補助桁
DESCRIPTION OF SYMBOLS 1 Body frame 1A Front body frame 1B Rear body frame 2 Work machine unit 3 Left pedestal 3A Left pedestal 3B Left pedestal 4 Right pedestal 4A Right pedestal 4B Right pedestal 5 Left traveling device 6 Right traveling Device 7 Hydraulic cylinder 8 Pinion gear 8A Pinion gear front 8B Pinion gear rear 9 Left leg column side rack gear 9A Left leg column side rack gear front 9B Left leg column side rack gear rear 10 Right leg column side rack gear 10A Right leg column side rack gear front 10B Right leg column side After rack gear 11 Pinion gear rotating shaft 12 Hydraulic motor 12A Before hydraulic motor 12B After hydraulic motor 13 Encoder 13A Before encoder 13B After encoder 14 Pinion gear A
15 Rack gear A
16 Pinion gear B
17 Rack gear B
18 Encoder mounting plate 19 Proximity switch 20 Proximity switch 21 Limit switch 22 Beam 23 Beam 24 Work implement unit mounting bracket 25 Auxiliary girder
Claims (9)
走行装置を備えた左右の脚柱と、茶園作業を行う作業機ユニットを取付けた中央部の本体枠を各々別個に構成し、本体枠に対して脚柱を左右にスライド可能として、左右の脚柱の間隔を変更可能とした茶園作業機において、
本体枠にピニオンギヤを設け、左右の脚柱にそれぞれラックギヤを取付け、左右の脚柱から伸びたラックギヤを、本体枠のピニオンギヤを挟んで噛み合せ、該ピニオンギヤを正転、逆転させることにより、左右の脚柱の間隔を変更することを特徴とした機体巾可変機構を具えた茶園作業機。 In the tea garden work machine that performs the work such as plucking, pruning, fertilization, pest control while running along the teacup while installing the traveling device under the left and right pedestals of the gate type aircraft straddling the teacup,
The left and right pedestals equipped with traveling devices and the central body frame with the work unit that performs tea garden work are configured separately, and the pedestal can be slid to the left and right with respect to the body frame. In the tea plantation machine that made it possible to change the interval between the pillars,
Pinion gears are provided on the body frame, rack gears are attached to the left and right pedestals, the rack gears extending from the left and right pedestals are meshed with the pinion gears on the body frame sandwiched, and the pinion gears are rotated forward and backward to rotate the left and right legs. A tea plantation machine equipped with a variable body width mechanism that changes the interval between pillars.
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