JP2003047304A - Structure for supporting implement of working machine - Google Patents
Structure for supporting implement of working machineInfo
- Publication number
- JP2003047304A JP2003047304A JP2001236411A JP2001236411A JP2003047304A JP 2003047304 A JP2003047304 A JP 2003047304A JP 2001236411 A JP2001236411 A JP 2001236411A JP 2001236411 A JP2001236411 A JP 2001236411A JP 2003047304 A JP2003047304 A JP 2003047304A
- Authority
- JP
- Japan
- Prior art keywords
- working device
- rolling
- working
- link mechanism
- implement
- 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
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、走行機体に駆動昇
降可能に装備したリンク機構に、作業装置を前後向きの
軸心周りにローリング揺動可能に連結してある作業機の
作業装置支持構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a working device supporting structure for a working device in which a working device is connected to a link mechanism mounted on a traveling machine body so as to be capable of being raised and lowered so as to be capable of rolling and swinging around a longitudinal axis. Regarding
【０００２】[0002]
【従来の技術】従来、上記のような作業機の作業装置支
持構造においては、作業装置を上限位置まで上昇させた
移動走行時やトラックなどによる運搬時における不必要
な作業装置のローリング揺動を阻止するために、作業装
置の上限位置でのローリング揺動を阻止するローリング
阻止部材（特開平９−２９４４０９号公報参照）と、作
業走行時における走行機体に対する作業装置の大幅なロ
ーリング揺動に起因した走行機体と作業装置との接触を
回避するために、作業装置の作業位置でのローリング揺
動範囲を制限するローリング制限部材とを装備してい
た。2. Description of the Related Art Conventionally, in the work device support structure for a work machine as described above, unnecessary rolling oscillation of the work device is caused when the work device is moved to the upper limit position and is moved or transported by a truck or the like. In order to prevent this, a rolling blocking member (see Japanese Patent Application Laid-Open No. 9-294409) that blocks rolling swing at the upper limit position of the working device, and a large rolling swing of the working device with respect to the traveling machine body during work traveling. In order to avoid the contact between the traveling machine body and the working device, the rolling limiting member that limits the rolling swing range of the working device at the working position is provided.
【０００３】又、従来、上記のような作業機の作業装置
支持構造においては、例えば特開平９−２９４４０９号
公報などで開示されているように、リンク機構に装備し
た前後向きのボスと、作業装置に装備される伝動ケース
にブラケットを介して連結された前後向きの支軸との嵌
合で、リンク機構に対する作業装置の連結を行うように
構成していた。Further, in the conventional work device supporting structure for a work machine as described above, as disclosed in, for example, Japanese Patent Application Laid-Open No. 9-294409, a front and rear boss mounted on a link mechanism and work are performed. The work device is connected to the link mechanism by fitting the front and rear supporting shafts connected via a bracket to a transmission case mounted on the device.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来技術のうちの前者のものによると、ローリング阻止部
材とローリング制限部材とを装備することから部品点数
が多くなり、その結果、組み付けが面倒になるとともに
製造コストが嵩むようになっていた。However, according to the former one of the above prior arts, since the rolling prevention member and the rolling restriction member are provided, the number of parts is increased, and as a result, the assembling is troublesome. At the same time, the manufacturing cost was increasing.
【０００５】又、上記従来技術のうちの後者のものによ
ると、リンク機構に作業装置をローリング揺動可能に連
結するための部品として、リンク機構に装着されるボ
ス、伝動ケースに連結されるブラケット、及びブラケッ
トに装着される支軸などを要することから部品点数が多
くなり、その結果、組み付けが面倒になるとともに製造
コストが嵩むようになっていた。According to the latter of the above-mentioned prior arts, a boss mounted on the link mechanism and a bracket connected to the transmission case are used as parts for connecting the working device to the link mechanism so as to be capable of rolling and swinging. In addition, the number of parts is increased due to the necessity of a support shaft attached to the bracket, and as a result, the assembly is troublesome and the manufacturing cost is increased.
【０００６】本発明の目的は、合理的な改良で組み付け
の簡素化や製造コストの削減を図れるようにすることに
ある。An object of the present invention is to make it possible to achieve simplification of assembly and reduction of manufacturing cost by rational improvement.
【０００７】[0007]
【課題を解決するための手段】〔構成〕上記目的を達成
するため、本発明のうちの請求項１記載の発明では、走
行機体に駆動昇降可能に装備したリンク機構に、作業装
置を前後向きの軸心周りにローリング揺動可能に連結し
てある作業機の作業装置支持構造において、前記作業装
置を上限位置まで上昇させた状態では前記作業装置のロ
ーリング揺動を接当阻止し、かつ、前記作業装置を作業
位置まで下降させた状態では前記作業装置のローリング
揺動範囲を接当制限する共用のローリング規制部材を装
備した。[Means for Solving the Problems] [Structure] In order to achieve the above-mentioned object, in the invention according to claim 1 of the present invention, a working device is mounted in a front-back direction in a link mechanism mounted on a traveling machine body so as to be capable of being driven up and down. In a working device support structure for a working machine that is connected so as to be capable of rolling rocking around the axis of, the rolling rocking of the working device is prevented from abutting when the working device is raised to an upper limit position, and In the state where the working device is lowered to the working position, a common rolling regulation member is provided to limit the rolling swing range of the working device.
【０００８】〔作用〕上記請求項１記載の発明による
と、ローリング規制部材によって、作業装置を上限位置
まで上昇させた移動走行時やトラックなどによる運搬時
における不必要な作業装置のローリング揺動を阻止する
ことができるとともに、作業装置を作業位置まで下降さ
せた作業走行時における走行機体に対する作業装置の大
幅なローリング揺動に起因した走行機体と作業装置との
接触を回避できるようになる。[Operation] According to the first aspect of the present invention, unnecessary rolling swing of the working device is caused when the working device is raised to the upper limit position by the rolling restriction member or when the working device is transported by a truck or the like. In addition to being able to prevent it, it is possible to avoid contact between the traveling machine body and the working device due to a large rolling swing of the working machine with respect to the traveling machine body during work traveling in which the working device is lowered to the work position.
【０００９】その結果、移動走行時や運搬時における不
必要な作業装置のローリング揺動を阻止するための専用
部材と、作業走行時における走行機体に対する作業装置
の大幅なローリング揺動に起因した走行機体と作業装置
との接触を回避するための専用部材とを装備する場合に
比較して、部品点数の削減を図れるようになり、その
分、組み付けの簡素化や製造コストの削減を図れるよう
になる。As a result, a dedicated member for preventing unnecessary rolling rocking of the working device during traveling and transportation, and traveling due to a large rolling rocking of the working device with respect to the traveling machine body during working traveling. Compared to the case where a dedicated member for avoiding contact between the machine body and the working device is installed, the number of parts can be reduced, and the assembly can be simplified and the manufacturing cost can be reduced accordingly. Become.
【００１０】〔効果〕従って、ローリング規制部材を、
移動走行時における不必要な作業装置のローリング揺動
を阻止する部材と、作業走行時における走行機体に対す
る作業装置の大幅なローリング揺動に起因した走行機体
と作業装置との接触を回避する部材とに共用する合理的
な改良で、組み付けの簡素化や製造コストの削減を図れ
るようになった。[Effect] Therefore, the rolling restriction member is
A member for preventing unnecessary rolling swing of the working device during traveling and traveling, and a member for avoiding contact between the traveling machine body and the working device due to large rolling swing of the working device with respect to the traveling machine body during work traveling. With the rational improvement shared by, the assembly can be simplified and the manufacturing cost can be reduced.
【００１１】〔構成〕上記目的を達成するため、本発明
のうちの請求項２記載の発明では、走行機体に駆動昇降
可能に装備したリンク機構に、作業装置を前後向きの軸
心周りにローリング揺動可能に連結してある作業機の作
業装置支持構造において、前記リンク機構に装備した前
後向きの支軸と、前記作業装置に装備される伝動ケース
に一体形成したボスとの嵌合で、前記リンク機構に対す
る前記作業装置の連結を行うように構成した。[Configuration] In order to achieve the above object, in the invention according to claim 2 of the present invention, the working device is rolled around the axial center in the front-rear direction in the link mechanism equipped to the traveling machine body so as to be capable of being driven up and down. In a work device support structure for a work machine that is swingably connected, by fitting the support shaft in the front-rear direction equipped in the link mechanism and a boss integrally formed in a transmission case equipped in the work device, The working device is connected to the link mechanism.
【００１２】〔作用〕上記請求項２記載の発明による
と、リンク機構に前後向きの支軸を装備し、作業装置側
の伝動ケースにボスを一体形成していることから、リン
ク機構に作業装置をローリング揺動可能に連結するため
の部品としては、リンク機構に装着される支軸、及び、
ボスが一体形成された伝動ケースなどを用意するだけで
よく、これによって、リンク機構に対する作業装置の連
結を、リンク機構に装備した前後向きのボスと、作業装
置に装備される伝動ケースにブラケットを介して連結さ
れた前後向きの支軸との嵌合で行う場合に要していた連
結部品のうちのボスとブラケットとを不要にすることが
できるようになる。[Operation] According to the second aspect of the invention, since the link mechanism is provided with the support shaft in the front-rear direction and the boss is integrally formed on the transmission case on the working device side, the working device is attached to the link mechanism. As a component for connecting the rotatably and swingably, a spindle attached to the link mechanism, and
It is only necessary to prepare a transmission case with a boss integrally formed, which allows the working device to be connected to the link mechanism by attaching the bracket to the forward and backward bosses equipped to the link mechanism and the transmission case equipped to the working device. It becomes possible to eliminate the boss and the bracket of the connecting parts, which are required when the fitting is performed with the front and rear supporting shafts connected via the boss.
【００１３】〔効果〕従って、リンク機構に前後向きの
支軸を装備し、作業装置側の伝動ケースにボスを一体形
成する合理的な改良で、部品点数の削減を図れるように
なり、結果、組み付けの簡素化や製造コストの削減を図
れるようになった。[Effects] Therefore, the link mechanism is equipped with the support shaft in the front-rear direction, and the boss is integrally formed on the transmission case on the working device side, which is a rational improvement, and the number of parts can be reduced. It has become possible to simplify assembly and reduce manufacturing costs.
【００１４】[0014]
【発明の実施の形態】図１には作業機の一例である乗用
形田植機の全体側面が、又、図２にはその全体平面がそ
れぞれ示されており、この田植機は、乗用形の走行機体
１の後部に、油圧シリンダ２の作動で昇降揺動するリン
ク機構３を介して作業装置の一例である苗植付装置４を
駆動昇降可能に連結することによって構成されている。
走行機体１は、その前部に搭載されたエンジン５からの
動力が変速装置６などを介して左右一対の前輪７及び後
輪８に伝達される四輪駆動形式に構成され、その中央部
には、左右の前輪７に連係されたステアリングホイール
９や運転座席１０などが配備されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the entire side surface of a riding type rice transplanter which is an example of a working machine, and FIG. 2 shows the entire plane thereof. A rear part of the traveling machine body 1 is connected to a seedling planting device 4, which is an example of a working device, so as to be capable of being driven up and down via a link mechanism 3 which is vertically moved by the operation of a hydraulic cylinder 2.
The traveling vehicle body 1 is configured in a four-wheel drive system in which power from an engine 5 mounted on the front portion of the traveling vehicle body 1 is transmitted to a pair of left and right front wheels 7 and rear wheels 8 through a transmission device 6 and the like, and a central portion thereof is provided. Is provided with a steering wheel 9 and a driver's seat 10 which are linked to the left and right front wheels 7.
【００１５】図１〜４に示すように、苗植付装置４は、
エンジン５からの動力が変速装置６などを介して、伝動
ケース１１に内装された動力分配機構１２に伝達され、
この動力分配機構１２から分配された動力で、横送り機
構１３が、苗載台１４を左右方向に一定ストロークで往
復移動させ、植付機構１５が、一定周期で苗載台１４の
苗取出口１６から苗載台１４に載置された苗を所定量ず
つ取り出して圃場に植え付け、かつ、縦送り機構１７
が、苗載台１４が左右の各ストローク端に到達するごと
に苗載台１４に載置された苗を一定ピッチで縦送りする
植え付け作動を行うように構成されている。尚、図１〜
３に示す符号１８は、機体の走行に伴って植付機構１５
による苗植え付け箇所を前もって整地する整地フロート
である。As shown in FIGS. 1 to 4, the seedling planting device 4 comprises:
The power from the engine 5 is transmitted to the power distribution mechanism 12 installed in the transmission case 11 via the transmission 6 and the like,
With the power distributed from the power distribution mechanism 12, the lateral feed mechanism 13 reciprocally moves the seedling placing table 14 in the left-right direction with a constant stroke, and the planting mechanism 15 causes the seedling taking-out port of the seedling placing table 14 at a constant cycle. A predetermined amount of the seedlings placed on the seedling placing table 14 are taken out from the plant 16 and planted in the field, and the vertical feeding mechanism 17
However, each time the seedling placing table 14 reaches each of the left and right stroke ends, the planting operation is performed to vertically feed the seedlings placed on the seedling placing table 14 at a constant pitch. 1 to
Reference numeral 18 shown in FIG. 3 indicates a planting mechanism 15 along with traveling of the airframe.
It is a leveling float that levels the seedling planting area in advance.
【００１６】図４〜７に示すように、伝動ケース１１
は、左右に分割可能なアルミダイカスト製で、その前部
には、苗植付装置４をリンク機構３に連結するための連
結用のボス１９と、動力分配機構１２の入力軸２０を前
方に向けて突出させた状態で支持するための伝動用のボ
ス２１とが、上下に所定間隔を隔てる状態で一体形成さ
れている。As shown in FIGS. 4 to 7, the transmission case 11
Is made of aluminum die-cast that can be divided into left and right parts, and a boss 19 for connecting the seedling planting device 4 to the link mechanism 3 and an input shaft 20 of the power distribution mechanism 12 are provided in the front part of the front part thereof. A transmission boss 21 for supporting in a state of protruding toward the front is integrally formed in a state of being vertically spaced by a predetermined distance.
【００１７】図１、図３及び図５〜７に示すように、リ
ンク機構３は平行四連リンク形式に構成され、その後部
リンク２２の下部に、苗植付装置４を連結するための支
軸２３が後方に向けて延出する状態に溶接されており、
この支軸２３と伝動ケース１１の連結用のボス１９とを
ベアリング２４を介装した状態で嵌合させることで、リ
ンク機構３に苗植付装置４を前後向きの軸心Ｐ周りにロ
ーリング揺動可能な状態に連結することができるように
なっている。As shown in FIGS. 1, 3 and 5 to 7, the link mechanism 3 is formed in a parallel four-link type, and a support for connecting the seedling planting device 4 to the lower part of the rear link 22. The shaft 23 is welded so as to extend rearward,
By fitting the support shaft 23 and the boss 19 for connecting the transmission case 11 with the bearing 24 interposed, the seedling planting device 4 is rolled on the link mechanism 3 around the axis P in the front-back direction. It can be connected in a movable state.
【００１８】図１、図３、図５及び図６に示すように、
伝動ケース１１の前部には、苗植付装置４を上限位置ま
で上昇させた際にリンク機構３の左右の対応する下部リ
ンク２５に接当することで苗植付装置４の前後向きの軸
心Ｐ周りでのローリング揺動を阻止する第１接当部２６
Ａと、苗植付装置４を植え付け位置まで下降させた際に
おけるリンク機構３の左右の対応する下部リンク２５と
の接当で苗植付装置４の前後向きの軸心Ｐ周りでのロー
リング揺動範囲を制限する第２接当部２６Ｂとが一体形
成されたゴム製の左右一対のローリング規制部材２６
が、ブラケット２７を介して連結されており、これらの
ローリング規制部材２６によって、苗植付装置４を上限
位置まで上昇させた移動走行時やトラックなどによる運
搬時における不必要な苗植付装置４のローリング揺動を
阻止することができるとともに、苗植付装置４を植え付
け位置まで下降させた作業走行時における走行機体１に
対する苗植付装置４の大幅なローリング揺動に起因した
走行機体１と苗植付装置４との接触を回避できるように
なっている。As shown in FIGS. 1, 3, 5, and 6,
The front part of the transmission case 11 is brought into contact with the corresponding lower links 25 on the left and right of the link mechanism 3 when the seedling planting device 4 is raised to the upper limit position. First abutment portion 26 for preventing rolling swing around the center P
A and the corresponding lower links 25 on the left and right of the link mechanism 3 when the seedling planting device 4 is moved down to the planting position are brought into contact with each other, thereby rolling rolling around the axis P of the seedling planting device 4 in the front-rear direction. A pair of left and right rolling regulation members 26 made of rubber integrally formed with a second contact portion 26B for limiting the movement range.
Are connected via a bracket 27, and by these rolling restricting members 26, the unnecessary seedling planting device 4 is required when the seedling planting device 4 is moved to the upper limit position during traveling or transportation by a truck or the like. And the traveling body 1 due to the large rolling oscillation of the seedling planting device 4 with respect to the traveling body 1 during the work traveling in which the seedling planting device 4 is lowered to the planting position. It is possible to avoid contact with the seedling planting device 4.
【００１９】又、ローリング規制部材２６を、第１接当
部２６Ａと下部リンク２５との接当で苗植付装置４のロ
ーリング揺動を阻止し、第２接当部２６Ｂと下部リンク
２５との接当で苗植付装置４のローリング揺動を制限す
るように構成していることから、単一の接当部と下部リ
ンク２５との接当で苗植付装置４のローリング揺動の阻
止と制限とを行う場合に比較して、ローリング規制部材
２６の耐久性の向上を図れるようになっている。In addition, the rolling regulating member 26 prevents the rolling rocking of the seedling planting device 4 by the contact between the first contact portion 26A and the lower link 25, and the second contact portion 26B and the lower link 25. Since the rolling swing of the seedling planting device 4 is limited by the abutment of the above, the rolling swing of the seedling planting device 4 can be prevented by the abutment between the single abutment part and the lower link 25. The durability of the rolling restriction member 26 can be improved as compared with the case where the blocking and the restriction are performed.
【００２０】〔別実施形態〕以下、本発明の別実施形態
を列記する。
（１）作業機としては、トラクタや草刈機などであって
もよく、走行機体１の前部にリンク機構３を介して作業
装置４を駆動昇降可能に連結するものであってもよい。
（２）ローリング規制部材２６としては、単一の接当部
と下部リンク２５との接当で苗植付装置４のローリング
揺動の阻止と制限とを行うように構成されたものであっ
てもよい。
（３）リンク機構３に、苗植付装置４との接当で苗植付
装置４のローリング揺動の阻止と制限とを行うローリン
グ規制部材２６を装備するようにしてもよい。[Other Embodiments] Other embodiments of the present invention will be listed below. (1) The work machine may be a tractor, a mower, or the like, and may be a work machine 4 that is connected to the front portion of the traveling machine body 1 via a link mechanism 3 so as to be capable of being driven up and down. (2) The rolling regulation member 26 is configured to prevent and limit the rolling oscillation of the seedling planting device 4 by abutting the single abutment portion and the lower link 25. Good. (3) The link mechanism 3 may be equipped with a rolling restriction member 26 that prevents and limits the rolling swing of the seedling planting device 4 by contacting with the seedling planting device 4.
【図面の簡単な説明】[Brief description of drawings]
【図１】乗用形田植機の全体側面図[Figure 1] Overall side view of the riding type rice transplanter
【図２】乗用形田植機の全体平面図[Fig. 2] Overall plan view of riding type rice transplanter
【図３】苗植付装置の側面図[Figure 3] Side view of the planting device
【図４】苗植付装置の要部の平面図FIG. 4 is a plan view of the main part of the seedling planting device.
【図５】（イ）ローリング規制部材で苗植付装置のロー
リング揺動範囲を制限した状態を示す要部の側面図
（ロ）ローリング規制部材で苗植付装置のローリング揺
動を阻止した状態を示す要部の側面図[Fig. 5] (a) Side view of essential parts showing a state in which the rolling rocking range of the seedling planting device is restricted by the rolling regulation member. (B) The rolling rocking motion of the seedling planting device is prevented by the rolling regulation member. Side view of the main part showing
【図６】ローリング規制部材で苗植付装置のローリング
揺動範囲を制限した状態を示す要部の正面図FIG. 6 is a front view of the essential part showing a state in which the rolling rocking range of the seedling planting device is restricted by a rolling restriction member.
【図７】リンク機構と苗植付装置との連結構成を示す要
部の一部縦断側面図FIG. 7 is a partial vertical cross-sectional side view of a main part showing a connection configuration of a link mechanism and a seedling planting device.
１ 走行機体 ３ リンク機構 ４ 作業装置 １１ 伝動ケース １９ ボス ２６ ローリング規制部材 ２３ 支軸 Ｐ 軸心 1 traveling aircraft 3 link mechanism 4 working equipment 11 transmission cases 19 Boss 26 Rolling control member 23 spindle P axis center
Claims (2)
ク機構に、作業装置を前後向きの軸心周りにローリング
揺動可能に連結してある作業機の作業装置支持構造であ
って、 前記作業装置を上限位置まで上昇させた状態では前記作
業装置のローリング揺動を接当阻止し、かつ、前記作業
装置を作業位置まで下降させた状態では前記作業装置の
ローリング揺動範囲を接当制限する共用のローリング規
制部材を装備してある作業機の作業装置支持構造。1. A working device supporting structure for a working device, wherein a working device is connected to a link mechanism that is capable of being driven up and down on a traveling machine body so that the working device can roll and swing about a longitudinal axis. When the device is raised to the upper limit position, the rolling swing of the working device is prevented from abutting, and when the working device is lowered to the working position, the rolling swing range of the working device is restrained from abutting. Working device support structure for working machines equipped with a common rolling restriction member.
ク機構に、作業装置を前後向きの軸心周りにローリング
揺動可能に連結してある作業機の作業装置支持構造であ
って、 前記リンク機構に装備した前後向きの支軸と、前記作業
装置に装備される伝動ケースに一体形成したボスとの嵌
合で、前記リンク機構に対する前記作業装置の連結を行
うように構成してある作業機の作業装置支持構造。2. A working device supporting structure for a working machine, wherein a working device is connected to a link mechanism mounted on a traveling machine body so as to be capable of being lifted and lowered so as to be capable of rolling and swinging about a longitudinal axis. A working machine configured to connect the working device to the link mechanism by fitting a support shaft provided in the mechanism in a front-rear direction and a boss integrally formed in a transmission case equipped in the working device. Working device support structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001236411A JP2003047304A (en) | 2001-08-03 | 2001-08-03 | Structure for supporting implement of working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001236411A JP2003047304A (en) | 2001-08-03 | 2001-08-03 | Structure for supporting implement of working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003047304A true JP2003047304A (en) | 2003-02-18 |
Family
ID=19067686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001236411A Pending JP2003047304A (en) | 2001-08-03 | 2001-08-03 | Structure for supporting implement of working machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003047304A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016136897A (en) * | 2015-01-28 | 2016-08-04 | 株式会社クボタ | Work machine |
-
2001
- 2001-08-03 JP JP2001236411A patent/JP2003047304A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016136897A (en) * | 2015-01-28 | 2016-08-04 | 株式会社クボタ | Work machine |
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