JP4155904B2 - Crusher - Google Patents

Crusher Download PDF

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JP4155904B2
JP4155904B2 JP2003349581A JP2003349581A JP4155904B2 JP 4155904 B2 JP4155904 B2 JP 4155904B2 JP 2003349581 A JP2003349581 A JP 2003349581A JP 2003349581 A JP2003349581 A JP 2003349581A JP 4155904 B2 JP4155904 B2 JP 4155904B2
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opening
housing
insertion hole
lock member
closing
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JP2005111840A (en
JP2005111840A5 (en
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久司 木村
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Husqvarna Zenoah Co Ltd
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Husqvarna Zenoah Co Ltd
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Description

本発明は粉砕機に関し、剪定により発生する枝葉木、或いは間伐材等を粉砕するに特に好適な粉砕機に関する。   The present invention relates to a pulverizer, and more particularly to a pulverizer that is particularly suitable for pulverizing branches and leaves, thinned wood, and the like generated by pruning.

近年、剪定された枝葉木や間伐材等を、その剪定或いは伐採現場にて細かく粉砕する自走式粉砕機が広く用いられるようになってきている。特に、効率的で且つ高い粉砕能力を有するにも関わらず小型化の可能なチッパと呼ばれる回転式切断装置を備えた粉砕機が多く使われている。このチッパは、エンジン等の駆動装置によって回転軸を介して高速で回転駆動される回転円板と、同回転円板に取り付けた鉋刃と、前記回転を中心としてその円周上に回転自在に取り付けられたハンマとを備えており、回転軸を駆動回転させて、鉋刃とハンマとを高速に回転させ、鉋刃によりチップ状に切断された切断片をハンマをもって更に細かく粉砕する。   In recent years, self-propelled pulverizers that finely pulverize pruned branches and trees, thinned wood, etc. at the pruning or logging site have come to be widely used. In particular, a pulverizer equipped with a rotary cutting device called a chipper, which is efficient and has a high pulverization capability, can be downsized. This chipper is rotatable on its circumference around the rotation, a rotating disk that is driven to rotate at high speed via a rotating shaft by a driving device such as an engine, a blade attached to the rotating disk, and the rotation as a center. An attached hammer is provided, the rotary shaft is driven to rotate, the blade and the hammer are rotated at high speed, and the cut pieces cut into chips by the blade are further pulverized with the hammer.

通常、前述のようにして粉砕された粉砕片は、同じく前記回転軸に取り付けられたファンブレードを有する送風機により空気搬送されて機外へと排出する。以上の回転円板、ハンマ及び送風機などの回転部材は、その回転空間が確保した円盤状のハウジング内に収容されている。ところで、前述のごときチッパは、上記鉋刃を高速回転させて樹木を切断する鉋刃が傷みやすく、定期的に鉋刃を交換して研磨する必要がある。この回転部材に対するメンテナンスをしやすくするため、ハウジングの一部を開閉可能な開閉蓋により構成している。このハウジングの形態は、例えば特許第2786605号公報(特許文献1)にも記載されているとおり、通常、上記回転部材の回転空間を確保するに十分な円弧状の外周壁とその前後側壁とからなり、上半部の略1/4円弧部分をハウジング本体部から分離させて開閉自在な開閉部とし、残る3/4の本体部を自走式粉砕機の台車上に設置する。   Usually, the pulverized pieces pulverized as described above are conveyed by air by a blower having fan blades similarly attached to the rotating shaft and discharged outside the apparatus. The rotating members such as the rotating disk, the hammer, and the blower are accommodated in a disk-shaped housing secured by the rotation space. By the way, in the chipper as described above, the scissors blade that cuts the tree by rotating the scissors blade at high speed is easily damaged, and it is necessary to periodically replace the scissors blade and polish it. In order to facilitate maintenance of the rotating member, a part of the housing is configured by an openable / closable lid. As described in, for example, Japanese Patent No. 2786605 (Patent Document 1), the shape of this housing is usually composed of an arc-shaped outer peripheral wall sufficient to secure a rotation space of the rotating member and front and rear side walls thereof. Thus, an approximately ¼ arc portion in the upper half is separated from the housing main body portion to be an openable openable opening portion, and the remaining 3/4 main body portion is installed on the cart of the self-propelled crusher.

鉋刃の交換の際には、当然のことながら回転軸の回転を停止させてから前記開閉部を操作してハウジングの上部側を開き、回転円板がみだりに回転しないようにロックしたのち、鉋刃などのパーツの脱着作業を実施している。前記回転円板の回転を止めるためのロック機構は、例えば前記特許文献1にも開示されているように、上記開閉部が閉鎖状態にあるとき、同開閉部が密閉載置されるハウジング本体部の上縁部に形成されたロック部材を挿通するための挿通孔と、同挿通孔に対応する前記回転円板の位置に形成された前記ロック部材の先端が嵌着する脱着孔と、前記挿通孔及び脱着孔に抜き差しできるF字状、U字状、或いはL字状に形成されたピンからなるロック部材とを有している。   When replacing the blade, of course, after stopping the rotation of the rotating shaft, operate the opening / closing part to open the upper side of the housing and lock the rotating disk so that it does not rotate. We are removing and attaching parts such as blades. The lock mechanism for stopping the rotation of the rotating disk is, for example, as disclosed in Patent Document 1, when the opening / closing part is in a closed state, the housing body part in which the opening / closing part is hermetically mounted. An insertion hole for inserting a lock member formed on the upper edge of the disk, a desorption hole for fitting a tip of the lock member formed at a position of the rotating disk corresponding to the insertion hole, and the insertion And a lock member made of a pin formed in an F shape, U shape, or L shape that can be inserted into and removed from the hole and the attachment / detachment hole.

一方、上記ハウジングの開閉部と本体部との密閉固定と開放は、前記開閉部と本体部との間に設けられた固定/開放手段により行われるものであって、前記ロック機構とは別個の機構による。   On the other hand, hermetic fixing and opening of the opening / closing portion and the main body of the housing is performed by fixing / opening means provided between the opening / closing portion and the main body, and is separate from the locking mechanism. Depending on the mechanism.

いま、前記回転円板の回転を止めるためには、まずエンジンの駆動を停止させたのち、開閉部とハウジング本体部との固定/開放手段を開放側に操作して、開閉部を開いてハウジング本体の上部を開放する。次に、上記ロック機構を利用して回転円板の回転をみだりに回転しないようにロックする。すなわち、開閉部を開いた状態でF字状の上記ロック部材の挿入端をハウジング本体に形成された挿入孔に挿通させるとともに、回転円板に対応位置に形成された脱着孔にその先端を嵌着させる。このようにして回転円板の回転がロックされると、同軸に取り付けられているハンマや送風機の回転も同時にロックされる。このロック状態にあるとき鉋刃などの交換部材を交換する。この交換作業などが終了すると、前記ロック部材を回転円板の前記脱着孔から抜き出すとともに、ハウジング本体の上記挿通孔から引き抜き、ロックを解除したのちに開閉部を閉じてハウジング本体に密閉固定し、エンジンの駆動を再開して、粉砕作業を開始する。
特許第2786605号公報
Now, in order to stop the rotation of the rotating disk, first, after stopping the driving of the engine, the fixing / opening means between the opening / closing part and the housing body part is operated to the opening side, and the opening / closing part is opened to open the housing. Open the top of the main unit. Next, the locking mechanism is used to lock the rotating disk so that it does not rotate freely. That is, the insertion end of the F-shaped lock member is inserted into the insertion hole formed in the housing body with the opening / closing part opened, and the tip is fitted into the attachment / detachment hole formed at the position corresponding to the rotating disk. Put on. When the rotation of the rotating disk is locked in this way, the rotation of the hammer and the blower attached coaxially is also locked at the same time. When in the locked state, the replacement member such as the blade is replaced. When this replacement work is completed, the lock member is pulled out from the attachment / detachment hole of the rotating disk, pulled out from the insertion hole of the housing body, and after releasing the lock, the opening / closing part is closed and hermetically fixed to the housing body, Restart the engine and start crushing.
Japanese Patent No. 2786605

ここで上記特許文献1では、粉砕作業の再開時にロック部材を引き抜かないままでエンジンを始動させることのないように、或いはハウジング本体に対して開閉部を開いた状態にないかぎりロック部材をハウジング本体の挿通孔を挿通して回転円板の脱着孔に嵌着できないように、ロック部材が構成されている。すなわち、このロック部材は、挿通孔に挿通するための主棒と、この主棒に平行でかつ貫通孔に挿通できない副棒とを連結部で連結した形状を有しており、ハウジングの開閉部が開いた状態にあり、前記副棒をハウジング本体と開閉部との分離面であるハウジング本体の上縁に載置した状態にあるときに、初めて主棒がハウジング本体の挿通孔に挿通されて回転円板の脱着孔に嵌着できる構成を採用している。   Here, in Patent Document 1, when the crushing operation is resumed, the lock member is attached to the housing body so as not to start the engine without pulling out the lock member or unless the opening / closing part is opened with respect to the housing body. The lock member is configured so that it cannot be inserted through the insertion hole and fitted into the attachment / detachment hole of the rotating disk. That is, the lock member has a shape in which a main bar for insertion through the insertion hole and a sub-bar that is parallel to the main bar and cannot be inserted into the through hole are connected by a connection part. Is opened, and the main rod is inserted into the insertion hole of the housing body for the first time when the auxiliary rod is placed on the upper edge of the housing body which is the separation surface of the housing body and the opening / closing portion. A configuration that can be fitted into the attachment / detachment hole of the rotating disk is adopted.

しかしながら、上記特許文献1に開示された粉砕機自体は従来から広く知られた構造であって、そのロック機構の一部であるロック部材の挿通孔及び脱着孔もまた通常の構造と変わるところがない。一方で、同文献1によるロック部材だけは特殊な構造を有しており、このロック部材を使用すれば、確かにハウジング本体に対して開閉部を開いた状態にないかぎりロック部材をハウジング本体の挿通孔に挿通して回転円板の脱着孔に嵌着できない。   However, the pulverizer itself disclosed in Patent Document 1 has a widely known structure, and the insertion hole and the detachment hole of the lock member, which are part of the lock mechanism, are not different from the normal structure. . On the other hand, only the lock member according to the literature 1 has a special structure. If this lock member is used, the lock member is surely attached to the housing body unless the opening / closing part is opened with respect to the housing body. It cannot be inserted into the insertion hole and inserted into the attachment / detachment hole of the rotating disk.

ロック部材には、一般的には同特許文献1にも記載されているようにL字状やI字状など単純な形状のピンが使われている。こうした一般的なピン形状のロック部材を使用するかぎり、ロック部材の抜き忘れを完全に払拭することはできない。更にまた、係る単純な瓶形状をもつロック部材によれば、ハウジングの開閉部が閉じられた状態のときも、ハウジング本体に形成されたロック部材の挿通孔は外部に露呈している。従って、粉砕機の作業停止時にあって、前記閉鎖部が閉じられた状態のときに、誤ってロック部材を前記挿通孔に挿通して、停止している回転円板の脱着孔にその先端を嵌着させてしまう懸念もある。この状態にて、エンジンを始動させ回転円板を回転させようとすれば、前記特許文献にも記載されているような、エンジンやクラッチの焼損やロック部材の折損、或いは回転円板自体の損傷を招きかねない。 As the lock member, a pin having a simple shape such as an L shape or an I shape is generally used as described in Patent Document 1. As long as such a general pin-shaped lock member is used , forgetting to remove the lock member cannot be completely wiped out. Furthermore, according to the lock member having such a simple bottle shape, the insertion hole of the lock member formed in the housing body is exposed to the outside even when the opening / closing portion of the housing is closed. Therefore, when the operation of the pulverizer is stopped and the closing portion is closed, the lock member is erroneously inserted into the insertion hole, and the tip of the lock disc is inserted into the attachment / detachment hole of the stopped rotating disk. There is also a concern that it will fit. In this state, if the engine is started and the rotating disk is rotated, the engine or clutch is burned out, the lock member is broken, or the rotating disk itself is damaged as described in the patent document. May be invited.

本発明は、かかる課題を解消することを目的としてなされたものであり、具体的にはハウジングの閉鎖時にはどのように単純な形状をもつロック部材にあっても回転円板の回転が許容され、換言すれば開閉部が開いていないかぎりロック部材により回転円板の回転をロックすることができない粉砕機を提供することを目的としている。   The present invention has been made for the purpose of solving such a problem. Specifically, when the housing is closed, rotation of the rotating disk is allowed no matter how simple the locking member is, In other words, an object of the present invention is to provide a crusher in which the rotation of the rotating disk cannot be locked by the lock member unless the opening / closing part is opened.

かかる目的は、請求項1に係る発明の構成である、投入部から投入された被粉砕物を粉砕部に取り込み、粉砕部で切断及び粉砕されたのち、外部に排出する粉砕機にあって、前記粉砕部が鉋刃付き回転円板、回転ハンマなどの回転粉砕部材と、同回転粉砕部材を収容するハウジングとを備えてなり、前記ハウジングはその一部に開閉部を有するとともに、同開閉部による閉鎖時に同開閉部と隣接するハウジング本体の一部に前記回転粉砕部材の回転を停止するロック部材を挿通する挿通孔を有し、前記ハウジングの前記開閉部は、その閉鎖時に前記ロック部材の挿通孔を閉塞する閉塞部材を有してなることを特徴とする粉砕機により達成される。 The purpose of the present invention is a pulverizer that is a configuration of the invention according to claim 1 and takes in a material to be pulverized that has been input from an input unit into a pulverization unit, and is cut and pulverized by the pulverization unit and then discharged to the outside. The crushing part includes a rotary crushing member such as a rotary disc with a scissors blade and a rotary hammer, and a housing that accommodates the rotary crushing member. The housing has an opening / closing part at a part thereof, and the opening / closing part A part of the housing main body adjacent to the opening / closing part at the time of closing by the insertion member has an insertion hole through which a locking member for stopping the rotation of the rotary crushing member is inserted, and the opening / closing part of the housing is This is achieved by a crusher characterized by having a closing member for closing the insertion hole.

また、請求項2に係る発明のように、前記ロック部材は、長ピン部分と短ピン部分とからなるL字状のピン部材を有し、同ピン部材は前記ハウジング本体に固設されたブラケットに支持され、前記長ピン部分の前記短ピン部分とは反対側の端部がスプリングを介して前記ハウジング本体の前記挿通孔から離れる方向に付勢されてなることにより、上記目的はより効果的に達成される。 According to a second aspect of the present invention, the lock member has an L-shaped pin member composed of a long pin portion and a short pin portion, and the pin member is a bracket fixed to the housing body. And the end of the long pin portion opposite to the short pin portion is biased in a direction away from the insertion hole of the housing body via a spring, so that the object is more effective. To be achieved.

更に請求項3に係る発明にあっては、前記回転粉砕部材には、前記ロック部材の前記挿通孔と対応する一部の位置に、同ロック部材脱着する脱着孔を形成することにより、回転粉砕部材のロック更に確実にしている。なお、前記回転粉砕部材側のロック機構としては、前記脱着孔に限らず、例えば先端にフック部を有し、回転円板の外周から放射状に突出するロッキングアームを突設することも可能である。 Further In the invention according to claim 3, wherein the rotary grinding member is a part of the position corresponding to the insertion hole of the locking member, by forming a desorption hole the locking member is detached, rotated The crushing member is further locked. The locking mechanism on the rotary crushing member side is not limited to the attachment / detachment hole. For example, it is possible to project a locking arm having a hook portion at the tip and projecting radially from the outer periphery of the rotating disk. .

請求項1に係る発明によれば、開閉部が閉じられている状態では同開閉部に設けられた閉塞部材により、ハウジング本体に形成されているロック部材の挿入孔を外部から閉塞するため、ロック部材を挿入孔に挿入しようとしても挿入が不可能となる。一方、開閉部が開かれると前記閉塞部材が前記挿入孔の形成位置から移動して、同挿入孔を外部に露呈する。その結果、たとえ如何なる形状のロック部材であってもピンからなる場合には、開閉部が閉じているときにはロック部材を挿入孔に挿入することができず、開閉部が開いて初めてロック部材を挿入孔に挿入することができて、回転粉砕部材の回転をロックすることができるようになるため、ロック部材の抜き忘れや回転粉砕部材の回転始動前の誤ったロック操作が確実に防止される。 According to the first aspect of the present invention, when the opening / closing part is closed, the closing member provided in the opening / closing part closes the insertion hole of the lock member formed in the housing body from the outside. Even if it is going to insert a member in an insertion hole, insertion becomes impossible. On the other hand, when the opening / closing part is opened, the closing member moves from the position where the insertion hole is formed, exposing the insertion hole to the outside. As a result, even if the lock member has any shape, if it is made of a pin, the lock member cannot be inserted into the insertion hole when the opening / closing part is closed, and the lock member is inserted only after the opening / closing part is opened. Since it can be inserted into the hole and the rotation of the rotary crushing member can be locked, forgetting to remove the lock member and the erroneous locking operation before the rotation of the rotary crushing member is reliably prevented.

請求項2に係る発明は、ロック部材を、ブラケットにより支持するとともにスプリングにより常にハウジング本体の挿入孔から離れる方向に付勢しているため、ロック操作時においてロック部材と挿入孔との位置決めを不要にすると同時にロック操作を容易にする。また、ロック部材をスプリングにより常にハウジング本体の挿入孔から離れる方向に付勢しているにも関わらず、上記閉塞部材の有無によって、ロック部材が挿入孔に挿入されるかどうかが決まるため、回転粉砕部材に対するロック操作とロック解除操作とに誤りが生じない。 In the invention according to claim 2, since the lock member is supported by the bracket and is always urged away from the insertion hole of the housing main body by the spring, positioning of the lock member and the insertion hole is unnecessary during the locking operation. At the same time as making the lock operation easy. Moreover, despite the locking member is biased always in a direction away from the insertion hole of the housing body by a spring, by the presence or absence of said closure member, for if the locking member is inserted into the insertion hole is determined, rotation There is no error in the locking operation and unlocking operation for the crushing member .

請求項3に係る発明の、前記ロック部材の前記挿通孔に対応する前記回転粉砕部材の一部の位置に、同ロック部材を脱着する脱着孔を形成する点は従来から公知の構成ではあるが、特に本発明にあっては簡単な機構で且つ操作をもって確実に回転粉砕部材のロックを解除できるという観点からは前述のように脱着孔の形成がロック機構の最も好ましい態様である。 According to a third aspect of the present invention, a desorption hole for desorbing the lock member is formed at a part of the rotary crushing member corresponding to the insertion hole of the lock member, although it is a conventionally known configuration. In particular, in the present invention, from the viewpoint that the rotary crushing member can be reliably unlocked with a simple mechanism and operation, the formation of the desorption hole is the most preferable mode of the locking mechanism as described above.

以下、添付図面を参照しながら本発明の好適な実施形態を具体的に説明する。
図1は本発明が適用された粉砕機1の代表的な機種である枝葉木の自走式粉砕機の概略構成を示している。また、図2は前記粉砕機1の主要部を同じく概略で示している。
Hereinafter, preferred embodiments of the present invention will be specifically described with reference to the accompanying drawings.
FIG. 1 shows a schematic configuration of a self-propelled pulverizer which is a typical model of a pulverizer 1 to which the present invention is applied. FIG. 2 also schematically shows the main part of the pulverizer 1.

これらの図において、粉砕機1は、剪定後の枝葉や樹木、或いは間伐材等の被粉砕物を投入する投入ホッパ12、そのホッパ12の枝葉木等の被粉砕物送込み側に隣接して配される被粉砕物送込部13、同送込部13から送り込まれる枝葉木類を切断するとともに粉砕して、その粉砕片を送風機を介して外部へと排出する粉砕部14、同粉砕部14の粉砕機器及び送風機を回転駆動するエンジン類を収容するエンジンルーム15などの複数の設備を備えている。これらの設備はそれぞれ自走台車11上の後端部から前端部にかけて順次設置されている。   In these drawings, the pulverizer 1 is adjacent to the input side of the hopper 12 to be crushed, such as the branches and leaves after pruning, or the thinned material, and to the side to be crushed such as the branches of the hopper 12. The pulverized material feeding unit 13 and the pulverized unit 14 for cutting and pulverizing the branches and leaves sent from the feeding unit 13 and discharging the crushed pieces to the outside via a blower It has a plurality of facilities such as an engine room 15 that houses 14 grinding devices and engines that rotationally drive the blower. Each of these facilities is sequentially installed from the rear end portion to the front end portion on the self-propelled carriage 11.

前記投入ホッパ12は、通常は横断面が矩形状で自走台車11の走行方向後端から前端にかけて漸次断面積を漸減させたラッパ管状を呈している。この投入ホッパ12の前部に連設される上記被粉砕物送込部13は被粉砕物の寸法に応じた送込空間を形成しながら上下に移動する送込みローラ13aを有している。この送込みローラ13aは油圧モータをもって独立して駆動回転させている。上記粉砕部14の駆動は、上記エンジンルーム15内に配された図示せぬエンジン、減速機などを介してなされるが、本実施例では粉砕部14の主軸がベルトなどを介して駆動回転し、同主軸をもって粉砕機器及び送風機を駆動回転させている。なお、図1及び図2において、上記投入ホッパ12の天井部から上記被粉砕物送込部13の上部にかけて架け渡されている部分は消音ダクト16を示している。この消音ダクト16は、粉砕部14において粉砕時に発生し投入ホッパ12から外部に放出される騒音の一部を同ダクト16内に導き、そこで消音するためのものである。しかしながら、この消音ダクト16は必ず設置しなければならない部材ではない。   The charging hopper 12 has a rectangular cross section, and has a trumpet shape in which the sectional area gradually decreases from the rear end to the front end of the self-propelled carriage 11 in the traveling direction. The to-be-ground object feeding portion 13 provided continuously with the front portion of the charging hopper 12 has a feeding roller 13a that moves up and down while forming a feeding space corresponding to the size of the to-be-ground object. This feed roller 13a is independently driven and rotated by a hydraulic motor. The crushing unit 14 is driven through an engine (not shown), a speed reducer, and the like disposed in the engine room 15. In this embodiment, the main shaft of the crushing unit 14 is driven and rotated via a belt or the like. The crushing device and the blower are driven to rotate with the same main shaft. In FIG. 1 and FIG. 2, a portion extending from the ceiling portion of the charging hopper 12 to the upper portion of the pulverized material feeding portion 13 indicates a silencer duct 16. The muffler duct 16 is for guiding a part of noise generated at the time of pulverization in the pulverization unit 14 and discharged to the outside from the charging hopper 12 into the duct 16 and muffled there. However, the silencer duct 16 is not necessarily a member that must be installed.

図3及び図4は、本発明の特徴部である上記粉砕部14の構成を概略で示している。これらの図によれば、円盤状のハウジング141の内部に粉砕機器と送風機を収容している。内部に収容される粉砕機器も送風機も回転部材から構成されているため、ハウジング141は円弧状外周壁141aとその前後に配された前後側壁部141b,141cとから構成される。その前後側壁部141b,141cの中心部には主軸143を回転自在に支持する軸受部142を有している。前記円弧状外周壁141aの後側半部の内面には、主軸143に平行に延びる複数のリブ状突条141dが主軸143を中心として放射状に設けられている。前記ハウジング141の後側壁部141cの左下半部には、上記被粉砕物送込部13からチッパ部144に被粉砕物を送り込むための図示せぬ開口が形成されている。前記主軸143には、後部側から順にチッパ部144、ハンマ部145、送風機146が固定支持されている。前記チッパ部144は、前記リブ状突条141dの主軸側端面と干渉しない直径をもつ回転円板144aと、前記主軸143を挟んで同回転円板144aの同一直経上に固設された一対の鉋刃144bとを有している。また、この回転円板144aには前記各鉋刃144bの刃先144b’に隣接する長穴が表裏を貫通して形成されている。なお、上記リブ状突条141dは必要に応じて設ければよい。 3 and 4 schematically show the configuration of the pulverizing unit 14 which is a characteristic part of the present invention. According to these figures, the crushing device and the blower are accommodated in the disc-shaped housing 141. Since both the crushing device and the blower housed in the interior are composed of rotating members, the housing 141 is composed of an arcuate outer peripheral wall 141a and front and rear side wall portions 141b and 141c arranged in front and rear thereof. A bearing part 142 that rotatably supports the main shaft 143 is provided at the center of the front and rear side wall parts 141b and 141c. On the inner surface of the rear half of the arc-shaped outer peripheral wall 141a, a plurality of rib-shaped protrusions 141d extending in parallel with the main shaft 143 are provided radially about the main shaft 143. In the lower left half portion of the rear side wall portion 141c of the housing 141, an opening (not shown) for feeding the material to be crushed from the material to be crushed feeding portion 13 to the chipper portion 144 is formed. On the main shaft 143, a chipper portion 144, a hammer portion 145, and a blower 146 are fixedly supported in order from the rear side. The chipper portion 144 is a pair of a rotating disk 144a having a diameter that does not interfere with the main shaft side end surface of the rib-shaped protrusion 141d, and a pair of the rotating disk 144a fixed on the same straight path across the main shaft 143. And a blade 144b. In addition, an elongated hole adjacent to the blade edge 144b 'of each of the scissors blades 144b is formed in the rotating disk 144a so as to penetrate the front and back surfaces. The rib-shaped protrusion 141d may be provided as necessary.

前記ハンマ部145は、送風機146の後述する第1円板146aと前記回転円板144aとの間に90°の位相角をもって平行に架け渡された4本のロッド145aと、各ロッド145aに一端を回転自在に支持された複数枚の短冊状ハンマ145bとを備えている。図示例によれば、1本のロッド145aにはスペーサ145cを介して3枚のハンマ145bが回転自在に支持されている。このハンマ145bの長さも、その自由端が上記リブ状突条141dと干渉しない長さに設定されている。かかる構成により、4本の前記ロッド145aは主軸143の回転による上記回転円板144a及び上記第1円板146aの回転とともに、主軸143を中心としてその回りを回転すると同時に、各ハンマ145bは前記ロッド145aを中心に自由回転する。 The hammer portion 145 includes four rods 145a that are spanned in parallel with a phase angle of 90 ° between a first disc 146a (described later) of the blower 146 and the rotating disc 144a, and one end of each rod 145a. And a plurality of strip-shaped hammers 145b that are rotatably supported. According to the illustrated example, three hammers 145b are rotatably supported by one rod 145a via a spacer 145c. The length of the hammer 145b is also set to such a length that the free end does not interfere with the rib-shaped protrusion 141d . With this configuration, the four rods 145a rotate around the main shaft 143 along with the rotation of the rotating disc 144a and the first disc 146a due to the rotation of the main shaft 143, and at the same time, each hammer 145b It rotates freely around 145a.

前記送風機146は、上記ロッド145aの一端を固定支持する第1円板146aと、同第1円板146aに所要の間隔をもって平行に配された第2円板146bと、第1円板146aと第2円板146bとの間に放射状に架け渡された複数枚のファンブレード146cとを備えている。第1及び第2円板146a,146bは、その中心を上記主軸143により固定支持されており、第1円板146aの外周部は所定の間隔をおいて幾つかに大きく切り欠かれて、ハンマ145bにて粉砕された粉砕片をハウジング141と第1及び第2円板146a,146bとの間に形成される送風空間へと吸引する導入間隙146a’を形成する。   The blower 146 includes a first disc 146a that fixes and supports one end of the rod 145a, a second disc 146b that is disposed in parallel with the first disc 146a at a predetermined interval, and a first disc 146a, A plurality of fan blades 146c are provided in a radial manner between the second disk 146b. The centers of the first and second discs 146a, 146b are fixedly supported by the main shaft 143, and the outer periphery of the first disc 146a is largely cut into several parts at a predetermined interval. An introduction gap 146a ′ is formed for sucking the crushed pieces crushed at 145b into the blowing space formed between the housing 141 and the first and second disks 146a, 146b.

図示例によれば、上記ハウジング141は更に後方から見て円形の略1/4に当たる右上側半部を開閉部141−1として、残る略3/4のハウジング本体部141−2から分離させている。この開閉部141−1の右側下端縁とハウジング本体部141−2の左側端縁とがヒンジ結合され、開閉部141−1をそのヒンジ部を中心に下方へと回動させることによりハウジング141の右上部1/4が開放され、その状態から開閉部141−1を上方に回動させて、その対応する分割縁同士を突き合わせることにより、ハウジング141を密閉する。この密閉時には、開閉部141−1及びハウジング本体部141−2の各分割縁部の上端縁同士と後側縁同士とが、それぞれ第1及び第2密閉固定手段147,148をもって密閉固定される。 According to the illustrated example, the housing 141 is further separated from the remaining approximately 3/4 of the housing main body 141-2 with the upper right half corresponding to approximately ¼ of a circle when viewed from the rear as the open / close portion 141-1. Yes. The lower right edge of the opening / closing part 141-1 and the left edge of the housing main body part 141-2 are hinge-coupled, and the opening / closing part 141-1 is pivoted downward about the hinge part to thereby move the housing 141. The upper right portion ¼ is opened, and the housing 141 is sealed by rotating the opening / closing portion 141-1 upward from the state and abutting the corresponding divided edges. At the time of this sealing, the upper end edges and the rear side edges of the divided edges of the opening / closing part 141-1 and the housing main body part 141-2 are hermetically fixed by the first and second sealing fixing means 147 and 148, respectively. .

図示例によれば、前記第1及び第2密閉固定手段147,148は、密閉固定手段としての基本構造は同じであり、ハウジング本体部141−2側に配される第1密閉固定手段147は2枚のピン支持板147aを平行に配して、その間にピン147bを挿通固定している。2枚のピン支持板147aの間のピン部分で先端部にネジの切られたボルト部材147cの基端部を回動自在に支持している。一方、ハウジング本体部141−2側に配される第2密閉固定手段148は、前記第1密閉固定手段147に対向して開閉部141−1に固定されたU字型係着部材148aから構成されている。このU字型係着部材148a中央上縁には前記ボルト部材147cが嵌着する凹溝148bが形成されている。開閉部141−1とハウジング本体部141−2とを突き合わせたのち、第1及び第2密閉固定手段147,148をもって密閉固定するときは、前記ボルト部材147cを回動させて前記凹溝148bに嵌着させたのち、ボルト部材147cの先端ネジ部にナットを螺合し、締結固定することにより行われる。開閉部141−1を開くときは、ナットを緩めたのちボルト部材147cを前記凹溝148bから外すことにより行う。 According to the illustrated example, the first and second hermetic fixing means 147 and 148 have the same basic structure as hermetic fixing means, and the first hermetic fixing means 147 disposed on the housing body 141-2 side is Two pin support plates 147a are arranged in parallel, and the pin 147b is inserted and fixed therebetween. A pin portion between the two pin support plates 147a rotatably supports a base end portion of a bolt member 147c threaded at a tip portion. On the other hand, the second hermetic fixing means 148 disposed on the housing main body 141-2 side includes a U-shaped engaging member 148a that is fixed to the opening / closing part 141-1 so as to face the first hermetic fixing means 147. Has been. A concave groove 148b into which the bolt member 147c is fitted is formed at the center upper edge of the U-shaped engaging member 148a. When the first and second hermetic fixing means 147 and 148 are hermetically fixed after the opening / closing part 141-1 and the housing main body part 141-2 are brought into contact with each other, the bolt member 147c is rotated to form the concave groove 148b. After fitting, a nut is screwed into the tip thread portion of the bolt member 147c and fastened and fixed. The opening / closing part 141-1 is opened by loosening the nut and then removing the bolt member 147 c from the concave groove 148 b.

さて、以上のごとく構成された粉砕部14にあって、ハウジング141の内部に収納されたチッパ部144、ハンマ部145及び送風機146は、予め決められた点検時期がくると上記開閉部141−1を開いて、前記各部144〜146の構成部材などの点検や修理、或いは鉋刃144bやハンマ145bの交換などを行う。このとき、回転円板144a、ハンマ145bなどがみだりに回転することは前記点検作業などに支障を与える。従って、こうした点検作業時などには粉砕部14の回転機器類の回転を確実に停止させておく必要がある。そのため回転機器類の回転を一時的にロックする。   Now, in the crushing part 14 configured as described above, the chipper part 144, the hammer part 145, and the blower 146 housed in the housing 141 have the opening / closing part 141-1 when a predetermined inspection time comes. And inspecting and repairing the constituent members of the respective parts 144 to 146, or replacing the scissors blade 144b and the hammer 145b. At this time, the rotation of the rotating disk 144a, the hammer 145b, etc. will hinder the inspection work. Accordingly, it is necessary to reliably stop the rotation of the rotating devices of the crushing unit 14 during such inspection work. Therefore, the rotation of the rotating equipment is temporarily locked.

このロック機構を図3〜図7に示している。ロック機構は一般的にピン状のロック部材17と、上記開閉部141−1の下端縁を水平に載置支持するハウジング本体部141−2の水平端縁に近い位置に形成され前記ロック部材17を挿通するための挿通孔141−2aと、チッパ部144の回転円板144aに形成され前記ロック部材17の先端を嵌着させる脱着孔144cとを有している。本実施例によるロック部材17は、図3及び図7に示すように長ピン部分17aと短ピン部分17bとからなるL字状のピン部材からなり、その長ピン部分17aの先端をハウジング本体部141−2に形成された前記挿通孔141−2aに向けて進退するように、同ハウジング本体部141−2に固設されたブラケット18により支持されている。このブラケット18は前記長ピン部分17aの進退方向に平行に延びる平板部18aと、同平板部18aの一側面に固設され、前記長ピン部分17aを前記挿通孔141−2aに向けて摺接案内するコ字型案内部18bとから構成されている。長ピン部分17aを案内するため、前記コ字型案内部18bの前後壁部分にはそれぞれに長ピン部分17aを挿通案内する案内孔18b’が形成されている。 This locking mechanism is shown in FIGS. The locking mechanism is generally formed at a position close to the horizontal end edge of the housing main body portion 141-2 that horizontally places and supports the pin-like lock member 17 and the lower end edge of the opening / closing portion 141-1. Insertion holes 141-2a and insertion / removal holes 144c formed in the rotating disk 144a of the chipper portion 144 for fitting the distal ends of the lock members 17. As shown in FIGS. 3 and 7, the lock member 17 according to the present embodiment is composed of an L-shaped pin member made up of a long pin portion 17a and a short pin portion 17b. It is supported by a bracket 18 fixed to the housing main body 141-2 so as to advance and retract toward the insertion hole 141-2a formed in 141-2. The bracket 18 is fixed to a flat plate portion 18a extending in parallel with the advancing and retreating direction of the long pin portion 17a, and one side surface of the flat plate portion 18a, and the long pin portion 17a is slidably contacted toward the insertion hole 141-2a. It is comprised from the U-shaped guide part 18b to guide. In order to guide the long pin portion 17a, guide holes 18b 'for inserting and guiding the long pin portion 17a are formed in the front and rear wall portions of the U-shaped guide portion 18b.

また、常にはロック部材17の前記長ピン部分17aの先端が、ハウジング本体部141−2に形成された前記挿通孔141−2aに達しないように、前記コ字型案内部18bの前後壁部分の間に圧縮スプリング19が介装されている。この圧縮スプリング19は、前記挿通孔141−2aから離れる側の一端を長ピン部分17aに固定し、他端をコ字型案内部18bの後壁部分にて支持させている。この圧縮スプリング19の介装により、常には長ピン部分17aの先端が前記挿通孔141−2aに達せず、ハウジング本体部141−2から離れる方向に付勢されている。前記挿通孔141−2aを介して回転円板144aの脱着孔144cに嵌着させるときは、圧縮スプリング19の付勢に抗して長ピン部分17aの先端を前記挿通孔141−2aに押し込むようにする。 Further, the front and rear wall portions of the U-shaped guide portion 18b are arranged so that the tip of the long pin portion 17a of the lock member 17 does not always reach the insertion hole 141-2a formed in the housing main body portion 141-2. A compression spring 19 is interposed therebetween. The compression spring 19 has one end on the side away from the insertion hole 141-2a fixed to the long pin portion 17a and the other end supported by the rear wall portion of the U-shaped guide portion 18b. By the insertion of the compression spring 19, the tip of the long pin portion 17a does not always reach the insertion hole 141-2a and is urged away from the housing body 141-2. When fitting into the detaching hole 144c of the rotating disk 144a through the insertion hole 141-2a, the tip of the long pin portion 17a is pushed into the insertion hole 141-2a against the bias of the compression spring 19 To.

本実施例によれば、ロック部材17の先端を脱着孔144cに嵌着した状態に安定して維持するため、上記ブラケット18の平板部18aの上面に上記ロック部材17の短ピン部分17bを長ピン部分17aの軸心を中心に回動させることにより係脱される2つの係脱溝18a’、18a″が形成されている。この第1の係脱溝18a’はロック部材17の先端が回転円板144aの脱着孔144cに嵌着した状態を維持させるための係脱溝であり、図示例では係着を確実にするため手前に直角に曲がる鉤溝形態とされている。第2の係脱溝18a″はロック部材17の先端が前記挿通孔141−2aから外れて外側に後退した状態を維持する位置に形成され、単なるU字溝である。 According to the present embodiment, in order to stably maintain the tip of the lock member 17 in the state of being fitted into the attachment / detachment hole 144c, the short pin portion 17b of the lock member 17 is long on the upper surface of the flat plate portion 18a of the bracket 18. Two engagement / disengagement grooves 18a ′ and 18a ″ are formed which are engaged / disengaged by rotating about the axis of the pin portion 17a. The first engagement / disengagement groove 18a ′ has the tip of the lock member 17 at its front end. The engagement / disengagement groove is used to maintain the state of being fitted into the attachment / detachment hole 144c of the rotating disk 144a. In the illustrated example, the engagement groove is configured to be bent at a right angle to ensure the engagement. The engagement / disengagement groove 18a ″ is a simple U-shaped groove formed at a position where the distal end of the lock member 17 is removed from the insertion hole 141-2a and kept outward.

こうした構成を備えたロック機構を使って、粉砕部の点検時や修理時にハウジング141に収容されている回転機器の回転がロック状態にされ、或いは回転機器の回転駆動時にロック状態を解除する。そのロック操作及びロック解除操作は既述したとおりであるが、上記ロック機構であれば、例えばハウジング141の内部の回転機器を駆動回転させる直前に不注意によりロック操作を行うおそれがある。すなわち、ロック操作は上記開閉部141−1を開いた状態で内部の回転機器が停止状態にある時に行われるのが一般的である。ところが、ロック部材17の先端を挿通する挿通孔141−2aは開閉部141−1とは関係のないハウジング本体部141−2に形成されている。従って、開閉部141−1が閉められたときでも、ロック部材17を前記挿通孔141−2aに挿通させることが可能であることによる。また、反対に開閉部141−1が閉められたのちにロック部材17を前記挿通孔141−2aから抜くことを忘れこともある。この状態で、ハウジング141内の回転円板144aを駆動回転させれば、回転円板144aだけでなく周辺機器をも損傷させかねない。 Using the lock mechanism having such a configuration, the rotation of the rotating device accommodated in the housing 141 is locked when the crushing portion is inspected or repaired, or the locked state is released when the rotating device is driven to rotate. The locking operation and the unlocking operation are as described above. However, if the locking mechanism is used, for example, the locking operation may be inadvertently performed immediately before the rotating device inside the housing 141 is driven to rotate. In other words, the locking operation is generally performed when the internal rotary device is in a stopped state with the opening / closing part 141-1 open. However, the insertion hole 141-2a through which the tip of the lock member 17 is inserted is formed in the housing main body portion 141-2 that is not related to the opening / closing portion 141-1 . Therefore, even when the opening / closing part 141-1 is closed, the lock member 17 can be inserted into the insertion hole 141-2a. Also, sometimes Ru forget to pull out the locking member 17 from the insertion hole 141-2a to after closing 141-1 is closed in the opposite. If the rotating disk 144a in the housing 141 is driven and rotated in this state, not only the rotating disk 144a but also peripheral devices may be damaged.

そこで本発明では、こうした不都合が発生しないように、前記開閉部141−1には、同開閉部141−1を閉じたとき、ハウジング本体部141−2に形成されている上記挿通孔141−2aを閉塞する閉塞部材20が設けられている。図示例にあっては、前記挿通孔141−2aが、開閉部141−1を閉じたとき、その開閉部141−1が載置密閉されるハウジング本体部141−2の水平分割端縁の下方に設けられている。従って、前記閉塞部材20は、その挿通孔141−2aを閉塞する開閉部141−1の下端分割縁部の外側表面から下方に延設されている。本実施例では、前記閉塞部材20は細長い板材からなり、前記開閉部141−1の下端分割縁部ほぼ全体にわたって固設されている。   Therefore, in the present invention, in order to prevent such inconvenience, the opening / closing portion 141-1 includes the insertion hole 141-2a formed in the housing main body portion 141-2 when the opening / closing portion 141-1 is closed. A closing member 20 that closes the door is provided. In the illustrated example, when the insertion hole 141-2a closes the opening / closing part 141-1, the opening / closing part 141-1 is placed and sealed under the horizontally divided edge of the housing main body part 141-2. Is provided. Accordingly, the closing member 20 extends downward from the outer surface of the lower end split edge of the opening / closing part 141-1 that closes the insertion hole 141-2a. In the present embodiment, the closing member 20 is made of an elongated plate material, and is fixed over substantially the entire lower end split edge of the opening / closing part 141-1.

こうして、開閉部141−1に閉塞部材20を設けることにより、例えば開閉部141−1を閉じる前に前記挿通孔141−2aを通されて回転円板144aの脱着孔144cに先端が嵌着されたロック部材17を抜き取るのを忘れている場合に、開閉部141−1を閉じると、同開閉部141−1に設けられた閉塞部材20の下端縁が挿通孔141−2aに挿通されロック部材17に突き当たり、それ以上は開閉部141−1を閉じることができず、開閉部141−1によりハウジング141が密閉固定もできないため、ロック部材17の抜き忘れに気が付くことから、この状態で回転円板144aの駆動回転をさせることがない。また、例えば開閉部141−1が上記閉塞部材20によって閉塞された状態にあるときは、仮にロック部材17がブラケット18の第2の係脱溝18a″から外れて、スプリング19の弾力により、その先端が挿通孔141−2aに向けて移動したとしても、途中で閉塞部材20によって、それ以上の移動が阻止され挿通孔141−2aに達することはなく、必然的に回転円板144aの駆動回転にも支障を来すことがない。 Thus, by providing the closing member 20 in the opening / closing part 141-1, for example, before closing the opening / closing part 141-1, the front end is fitted into the attachment / detachment hole 144c of the rotating disk 144a through the insertion hole 141-2a. If the user forgets to remove the locking member 17 and closes the opening / closing part 141-1, the lower end edge of the closing member 20 provided in the opening / closing part 141-1 is inserted into the insertion hole 141-2a. Since the housing 141 cannot be closed and fixed by the opening / closing part 141-1, it is noticed that the locking member 17 is forgotten to be removed. The plate 144a is not driven to rotate. For example, when the opening / closing part 141-1 is closed by the closing member 20, the lock member 17 is temporarily disengaged from the second engagement / disengagement groove 18a ″ of the bracket 18 and the elasticity of the spring 19 Even if the tip moves toward the insertion hole 141-2a, further movement is prevented by the closing member 20 on the way and does not reach the insertion hole 141-2a, and the drive rotation of the rotating disk 144a is necessarily performed. There will be no hindrance.

本発明に係る粉砕機の代表的な実施例である枝葉木の自走式粉砕機の全体構成を概略で示す立体図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a three-dimensional view which shows roughly the whole structure of the self-propelled pulverizer which is a typical example of the pulverizer which concerns on this invention. 同粉砕機の主要部である特に粉砕部の内部構成を示す説明図である。It is explanatory drawing which shows the internal structure of the grinding | pulverization part which is the principal part of the same grinder. 本発明に係る粉砕機の粉砕部とロック機構の一実施例を拡大して示す説明図である。It is explanatory drawing which expands and shows one Example of the grinding | pulverization part and lock mechanism of the grinder which concerns on this invention. 同粉砕部の開閉部を開いたときの単独構造を概略で示す背面から見た全体図である。It is the whole view seen from the back which shows the independent structure when an opening-and-closing part of the crushing part is opened roughly. 同粉砕部の開閉部を閉じたときの構造を一部切開して概略で示す背面から見た全体図である。It is the whole view seen from the back which shows a part of the structure when the opening-and-closing part of the crushing part is closed, and shows roughly. 同粉砕部の主要部を概略で示す側面図である。It is a side view which shows the principal part of the crushing part roughly. 上記ロック機構の主要部の概略構成を拡大して示す部分斜視図である。It is a fragmentary perspective view which expands and shows schematic structure of the principal part of the said lock mechanism.

符号の説明Explanation of symbols

1 粉砕機
11 自走台車
12 投入ホッパ
13 被粉砕物送込部
13a 送込みローラ
14 粉砕部
141 ハウジング
141−1 開閉部
141−2 ハウジング本体部
141−2a(ロック部材の)挿通孔
141a 円弧状外周壁
141b,141c 前後側壁部
141d リブ状突条
142 軸受部
143 主軸
144 チッパ部
144a 回転円板
144b 鉋刃
144b’ 刃先
144c 脱着孔
145 ハンマ部
145a ロッド
145b (短冊状)ハンマ
145c スペーサ
146 送風機
146a 第1円板
146a’ (粉砕片の)導入間隙
146b 第2円板
146c ファンブレード
147,148 第1及び第2密閉固定手段
147a ピン支持板
147b ピン
147c ボルト部材
148a U字型係着部材
148b 凹溝
15 エンジンルーム
16 消音ダクト
17 ロック部材
17a 長ピン部分
17b 短ピン部分
18 ブラケット
18a 平板部
18a’ 第1係脱溝
18a″ 第2係脱溝
18b コ字型案内部
18b’ 案内孔
19 圧縮スプリング
20 閉塞部材
DESCRIPTION OF SYMBOLS 1 Crusher 11 Self-propelled cart 12 Loading hopper 13 Object to be crushed 13a Feed roller 14 Grinding part 141 Housing 141-1 Opening / closing part 141-2 Housing body part 141-2a (lock member) insertion hole 141a Arc shape Outer wall
141b, 141c Front and rear side wall portions 141d Rib-shaped protrusion 142 Bearing portion 143 Main shaft 144 Chipper portion 144a Rotating disk 144b Blade blade 144b 'Blade edge 144c Detachment hole 145 Hammer portion 145a Rod 145b Hammer 145c Spacer 146 Blower 146a First Disc 146a 'introduction gap 146b (crushed piece) second disc 146c fan blade
147,148 First and second sealing fixing means 147a Pin support plate 147b Pin 147c Bolt member 148a U-shaped engaging member 148b Groove 15 Engine room 16 Silence duct 17 Lock member 17a Long pin portion 17b Short pin portion 18 Bracket 18a Flat plate portion 18a 'first engaging / disengaging groove 18a "second engaging / disengaging groove 18b U-shaped guide portion 18b' guide hole 19 compression spring 20 closing member

Claims (3)

投入部から投入された被粉砕物を粉砕部に取り込み、粉砕部で切断及び粉砕されたのち、外部に排出する粉砕機にあって、
前記粉砕部が鉋刃付き回転円板、回転ハンマなどの回転粉砕部材と、同回転粉砕部材を収容するハウジングとを備えてなり、
前記ハウジングはその一部に開閉部を有するとともに、同開閉部による閉鎖時に同開閉部と隣接するハウジング本体の一部に前記回転粉砕部材の回転を停止するロック部材を挿通する挿通孔を有し、
前記ハウジングの前記開閉部は、その閉鎖時に前記ロック部材の挿通孔を閉塞する閉塞部材を有してなる、
ことを特徴とする粉砕機。
In the pulverizer that takes in the material to be crushed charged from the charging unit into the pulverizing unit, cuts and pulverizes in the pulverizing unit, and discharges it to the outside.
The crushing part comprises a rotary crushing member such as a rotary disc with a scissors blade, a rotary hammer, and a housing that accommodates the rotary crushing member,
The housing has an opening / closing part at a part thereof, and an insertion hole through which a lock member for stopping the rotation of the rotary crushing member is inserted into a part of the housing main body adjacent to the opening / closing part when the opening / closing part is closed. ,
The opening / closing part of the housing has a closing member that closes the insertion hole of the lock member when the opening is closed.
A pulverizer characterized by that.
前記ロック部材は、長ピン部分と短ピン部分とからなるL字状のピン部材を有し、同ピン部材は前記ハウジング本体に固設されたブラケットに支持され、前記長ピン部分の前記短ピン部分とは反対側の端部がスプリングを介して前記ハウジング本体の前記挿通孔から離れる方向に付勢されてなる請求項1に記載の粉砕機。 The lock member includes an L-shaped pin member including a long pin portion and a short pin portion, and the pin member is supported by a bracket fixed to the housing body, and the short pin of the long pin portion portion crusher according to claim 1, wherein the opposite end is biased in a direction away from the insertion hole of the housing body via a spring and. 前記回転粉砕部材には、前記ロック部材の前記挿通孔と対応する一部の位置に、同ロック部材が脱着する脱着孔を有してなる請求項1又は2に記載の粉砕機。 The pulverizer according to claim 1 or 2, wherein the rotary pulverizing member has an attachment / detachment hole through which the lock member is attached / detached at a part of the position corresponding to the insertion hole of the lock member.
JP2003349581A 2003-10-08 2003-10-08 Crusher Expired - Fee Related JP4155904B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100666156B1 (en) * 2006-06-19 2007-01-09 최호철 Rotor type impact crusher
KR100862023B1 (en) 2007-02-13 2008-10-07 주식회사 광산기공 Apparatus check of impact crusher
CN111530613A (en) * 2020-05-29 2020-08-14 江苏沃得植保机械有限公司 Safety protection device for emergency stop of feeding platform of branch crusher

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