JP6316243B2 - Stirrer - Google Patents

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JP6316243B2
JP6316243B2 JP2015133381A JP2015133381A JP6316243B2 JP 6316243 B2 JP6316243 B2 JP 6316243B2 JP 2015133381 A JP2015133381 A JP 2015133381A JP 2015133381 A JP2015133381 A JP 2015133381A JP 6316243 B2 JP6316243 B2 JP 6316243B2
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stirring
drum
pair
shaft
wall portion
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JP2017013013A (en
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和田 恵男
恵男 和田
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SANWA INDUSTRY CO., LTD.
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本発明はコンクリートやモルタルを撹拌する撹拌装置に係り、コンクリート等を効率良く撹拌した後、装置内に付着したコンクリート等の除去作業を容易にすることができる撹拌装置に関する。   The present invention relates to a stirrer that stirs concrete and mortar, and more particularly to a stirrer that can easily remove concrete adhering to the apparatus after stirring concrete or the like efficiently.

当出願人は、先に、セメント、細骨材等の撹拌物を水と共に混練しコンクリート等を提供する撹拌装置において、撹拌物の撹拌効率を良好にする撹拌装置を提案している(特許文献1)。   The present applicant has previously proposed a stirring device that improves the stirring efficiency of a stirring material in a stirring device that provides concrete and the like by kneading a stirring material such as cement and fine aggregate with water (Patent Document). 1).

この撹拌装置は、一対の端部回転軸をドラムの両側壁部からドラムの内側に僅かに突出するように配置し、この一対の端部回転軸の先端部分にそれぞれ撹拌羽根体を装着し、ドラム内を貫通する回転軸を有しないように構成した撹拌翼(以下、シャフトレス撹拌翼という)を採用することにより、投入材料の撹拌・混合を行うようにしたものである。この撹拌装置により、撹拌ドラム内の中心部分を貫通するシャフトが存在しなくなり、セメント、砂、砂利等の撹拌がスムーズに行われるようになった。   In this stirring device, a pair of end rotation shafts are arranged so as to slightly protrude from both side walls of the drum to the inside of the drum, and a stirring blade body is attached to each of the tip portions of the pair of end rotation shafts, By using a stirring blade (hereinafter referred to as a shaftless stirring blade) configured so as not to have a rotating shaft penetrating the inside of the drum, the input material is stirred and mixed. With this stirring device, there is no shaft penetrating the central portion in the stirring drum, and stirring of cement, sand, gravel, etc. can be performed smoothly.

特許文献1の撹拌装置は、撹拌ドラム内に突出した端部回転軸部分に、セメントや骨材類が付着して塊状に残留する問題があった。そこで、この端部回転軸の付着物を除去する構成を備えた混練機が提案されている(特許文献2)。この混練機は、特許文献1のシャフトレス撹拌翼を備えた撹拌装置を改良したものであり、特に、撹拌ドラムの内側に突出した一対の端部回転軸に対し散水するための給水管を配設したものである。この給水管からの散水により、端部回転軸の付着物を除去することが可能になっている。   The stirring device of Patent Document 1 has a problem that cement or aggregates adhere to the end rotary shaft portion protruding into the stirring drum and remain in a lump shape. Then, the kneading machine provided with the structure which removes the deposit | attachment of this edge part rotating shaft is proposed (patent document 2). This kneading machine is an improvement of the stirring device provided with the shaftless stirring blade of Patent Document 1, and in particular, a water supply pipe for spraying water is arranged on a pair of end rotating shafts protruding inside the stirring drum. It is set. It is possible to remove deposits on the end rotary shaft by watering from the water supply pipe.

特許第2565430号公報Japanese Patent No. 2565430 実公平7−51153号公報No. 7-51153

ところが、特許文献1、2に共通する重要な課題が残されていた。その課題は、撹拌ドラム内の撹拌力にある。すなわち、いずれの撹拌装置も、シャフトレス撹拌翼を採用しているので、この撹拌羽根を回転せしめる駆動力は、ドラムの外側から撹拌ドラム内に突出した端部回転軸を介して伝達される。   However, an important problem common to Patent Documents 1 and 2 remains. The problem lies in the stirring force in the stirring drum. That is, since any of the agitation devices employs a shaftless agitation blade, the driving force for rotating the agitation blade is transmitted from the outside of the drum through an end rotating shaft protruding into the agitation drum.

そのため、撹拌羽根の端部回転軸に近い基端部側には十分な駆動力が伝わるが、この端部回転軸から撹拌羽根が離れるほど駆動力が伝わり難くなり、撹拌羽根の先端部側の回転力は非力にならざるを得ない。そこで、従来のシャフトレス撹拌翼は、撹拌ドラムの両側に一対の駆動モーターを配置し、左右の端部回転軸に連結するシャフトレス撹拌翼をこの駆動モーターで直接回転せしめると共に、左右のシャフトレス撹拌翼の先端側相互を連結部材で連結する構造になっていた。   Therefore, a sufficient driving force is transmitted to the base end side near the end rotating shaft of the stirring blade, but the driving force is less transmitted as the stirring blade is separated from the end rotating shaft, and the driving force on the leading end side of the stirring blade is reduced. The rotational force must be non-power. Therefore, in the conventional shaftless stirring blade, a pair of drive motors are arranged on both sides of the stirring drum, the shaftless stirring blades connected to the left and right end rotating shafts are directly rotated by this drive motor, and the left and right shaftless stirring blades are also rotated. It had the structure which connected the front end side of the stirring blade with the connection member.

ところが、いずれのシャフトレス撹拌翼も、駆動モーターに近い基端部側の撹拌力は高いが、駆動モーターから離れてシャフトレス撹拌翼の先端部側に近づくほど撹拌力は低下する。この結果、ドラムの中央部に位置する撹拌羽根の先端がわでは撹拌力が弱くなる。この結果、撹拌物の量が多少増加したり、混練物の粘度が想定以上に高くなったりすると、ドラムの中央部に投入されたセメント類を十分に混練するまでに多くの時間が掛かる不都合があった。   However, in any of the shaftless stirring blades, the stirring force on the proximal end side close to the drive motor is high, but the stirring force decreases as the distance from the drive motor approaches the distal end side of the shaftless stirring blade. As a result, the stirring force becomes weak at the tip of the stirring blade located at the center of the drum. As a result, when the amount of the agitated material is slightly increased or the viscosity of the kneaded material is higher than expected, there is a disadvantage that it takes a long time to sufficiently knead the cements put in the center of the drum. there were.

しかも、撹拌力を高めるために、左右のシャフトレス撹拌翼に、それぞれ左右一対の駆動モーターを備えている。ところが、左右の駆動モーターを同時に回転させるので、各駆動モーターの回転速度を同一速度に保てないと、先端側で連結した左右のシャフトレス撹拌翼に捩れが生じ、機器の破損につながるおそれもあった。   Moreover, in order to increase the stirring force, the left and right shaftless stirring blades are each provided with a pair of left and right drive motors. However, since the left and right drive motors rotate at the same time, if the rotation speed of each drive motor cannot be maintained at the same speed, the left and right shaftless agitating blades connected on the tip side may be twisted, possibly resulting in equipment damage. there were.

更に、最近の傾向では、橋梁や高速道路の補修工事等に速乾性の速硬コンクリートが使用される工事が増加している。この速硬コンクリートは、施工後、数時間で固まる性質を有し即日の使用が可能となるため、コンクリート混練時間の短縮化も求められているので、撹拌ドラム内の撹拌効率を高める必要がある。   Furthermore, according to the recent trend, there is an increasing number of constructions that use quick-drying fast-hardening concrete for repair work on bridges and highways. This fast-hardening concrete has the property that it hardens within a few hours after construction and can be used on the same day, so shortening the concrete kneading time is also required, so it is necessary to increase the stirring efficiency in the stirring drum .

しかも、この速硬コンクリートは、コンクリートを混練した撹拌装置内でも数時間で硬化するので、撹拌装置内に付着した速硬コンクリートをいち早く除去して撹拌装置を洗浄する必要がある。しかしながら、従来のシャフトレス撹拌翼を使用した撹拌装置では、たとえ端部回転軸部分の洗浄は容易になっても、撹拌ドラムの内部全体を洗浄するには多くの時間を要するものであった。   Moreover, since this fast-hardening concrete hardens within a few hours even in the stirring device in which the concrete is kneaded, it is necessary to quickly remove the fast-hardening concrete adhering to the stirring device and wash the stirring device. However, in the conventional stirring device using the shaftless stirring blade, it takes a lot of time to clean the entire inside of the stirring drum even if the end rotary shaft portion is easily cleaned.

更に、撹拌ドラムの洗浄に使用した処理水は、工事現場から処理場に運搬して処理する必要がある。そのため、この多量の処理水の運搬や処理等に極めて多くの手間やコストを要していた。   Furthermore, the treated water used for cleaning the stirring drum needs to be transported from the construction site to the treatment site for treatment. For this reason, a great deal of labor and cost are required for transporting and treating this large amount of treated water.

そこで、本発明は上述の課題を解消すべく創出されたもので、シャフトレス撹拌翼による撹拌力を高め、たとえ速硬コンクリートの使用後でも迅速な除去が可能になり撹拌装置を短時間で洗浄すると共に、洗浄水を減らすことで、洗浄時及び洗浄後の処理作業を合理化することができる撹拌装置の提供を目的とするものである。   Therefore, the present invention was created to solve the above-mentioned problems, and the stirring force by the shaftless stirring blade is increased, so that even after use of fast-hardening concrete, quick removal is possible, and the stirring device is cleaned in a short time. In addition, an object of the present invention is to provide a stirring device that can rationalize processing operations during and after cleaning by reducing cleaning water.

上述の目的を達成すべく本発明における第1の手段は、少なくとも下半分は横断面略円弧状の周壁部2を有し、その両端部が側壁部3により閉塞された撹拌ドラム1と、該撹拌ドラム1の側壁部3から撹拌ドラム1内に突出する一対の端部回転軸4と、該一対の端部回転軸4に夫々連結され撹拌ドラム1内の周壁部2に摺動しながら回動する撹拌翼体10と、撹拌ドラム1の周壁部2の上側全体に開口部6を形成すると共に、材料投入口21を備えた蓋体20と、により構成されるシャフトレス撹拌装置において、各端部回転軸4は、各側壁部3に固定され対向する側壁部3方向に突出した一対の保護筒体5の内部にそれぞれ回転自在に保持されると共に、各端部回転軸4の先端部から周壁部2方向に延長され撹拌羽根体10の長手中央部に連結する支持杆体11を備え、該支持杆体11を介して撹拌羽根体10を回動せしめ、蓋体20は、撹拌ドラム1の両側壁部3がわ上端部に揺動自在に連結された一対の揺動板22にて構成されて開口部6を開閉自在に施蓋し、撹拌ドラム1の内部を洗浄する際に開口部6を開放するように構成されると共に、材料投入口21は該揺動板22の全体に形成された連子状又は格子状又は網目状に形成されていることにある。 In order to achieve the above-mentioned object, the first means in the present invention includes a stirring drum 1 having at least a lower half of a peripheral wall portion 2 having a substantially arc-shaped cross section and closed at both end portions by side wall portions; A pair of end rotating shafts 4 projecting from the side wall 3 of the stirring drum 1 into the stirring drum 1 and the pair of end rotating shafts 4 are respectively connected to the pair of end rotating shafts 4 while sliding on the peripheral wall 2 in the stirring drum 1. In a shaftless stirring apparatus constituted by a moving stirring blade body 10 and a lid body 20 having an opening 6 formed on the entire upper side of the peripheral wall portion 2 of the stirring drum 1 and provided with a material charging port 21 , The end rotating shaft 4 is rotatably held inside a pair of protective cylinders 5 that are fixed to the side wall portions 3 and project in the direction of the opposing side wall portions 3, and the end portions of the end rotating shafts 4. Is extended in the direction of the peripheral wall 2 from the longitudinal center of the stirring blade 10 Pair includes a support rod 11 which forms an, allowed rotating the stirring blade body 10 via the support rod 11, the lid 20 is pivotably connected to the side walls 3 side upper portion of the stirring drum 1 The swinging plate 22 is configured to cover the opening 6 so that the opening 6 can be freely opened and closed, and the opening 6 is opened when the inside of the stirring drum 1 is cleaned. the swing plate 22 is formed on the entire formed a triad-like or lattice-like or mesh-like optionally in Rukoto.

第2の手段は、前記一対の端部回転軸4において、一方の端部回転軸4は駆動モーター30の駆動軸31に直結され、
他方の端部回転軸4は、前記撹拌ドラム1の外側で駆動モーター30の駆動軸31に連動するよう配置された回転伝達軸32を介して駆動軸31に連動するように構成されたものである。
The second means is that, in the pair of end rotation shafts 4, one end rotation shaft 4 is directly connected to the drive shaft 31 of the drive motor 30.
The other end rotary shaft 4 is configured to be linked to the drive shaft 31 via a rotation transmission shaft 32 arranged to be linked to the drive shaft 31 of the drive motor 30 outside the stirring drum 1. is there.

本発明の請求項1によると、各端部回転軸4は、各側壁部3に固定され撹拌ドラム1内に突出した一対の保護筒体5の内部に保持されると共に、各端部回転軸4の先端部から周壁部2方向に延長され撹拌羽根体10の長手中央部に連結する支持杆体11を備え、該支持杆体11を介して撹拌羽根体10を回動せしめることにより、端部回転軸4から伝わる回転力を、撹拌羽根体10全体に伝達することができる。   According to the first aspect of the present invention, each end rotating shaft 4 is held inside a pair of protective cylinders 5 fixed to each side wall portion 3 and projecting into the stirring drum 1, and each end rotating shaft. 4 is provided with a support rod 11 that extends in the direction of the peripheral wall portion 2 from the tip of 4 and is connected to the longitudinal central portion of the stirring blade body 10, and rotates the end portion by rotating the stirring blade body 10 through the support rod 11. The rotational force transmitted from the shaft 4 can be transmitted to the entire stirring blade body 10.

この結果、従来のシャフトレス撹拌翼のように、左右のシャフトレス撹拌翼の先端側相互を連結部材で連結する必要がなくなり、撹拌物の移動効率を高めることができた。しかも、端部回転軸4は、側壁部3に固定された保護筒体5の内部に保持されているので、端部回転軸4の支持強度を高めると共に、コンクリート等の混練物が端部回転軸4に直接付着するのを防止する。
更に、撹拌ドラム1の周壁部2の上側全体に開口部6を形成すると共に、材料投入口21を備えた蓋体20を側壁部3の上端部に揺動自在に設けて該開口部6を開閉自在に施蓋し、撹拌ドラム1の内部を洗浄する際に開口部6を開放するように構成したことで、例えば速硬コンクリートを撹拌した後でも、洗浄時には、撹拌ドラム1の周壁部2の上側全体に開口して洗浄することができる。しかも、撹拌ドラム1の内部には、シャフトレス撹拌翼や端部回転軸4を保護する保護筒体5を備えているので、洗浄やメンテナンスも極めて容易に行える。したがって、使用後の撹拌装置内に付着した速硬コンクリートをいち早く除去することが可能になり、撹拌装置を短時間で洗浄すると共に、洗浄水を著しく減らすことで、洗浄時及び洗浄後の処理作業を合理化することができる
しかも、蓋体20は、撹拌ドラム1の両側壁部3がわに揺動自在に連結された一対の揺動板22にて構成されているので、使用後の洗浄やメンテナンスにおいて、これらの揺動板22を保護筒体5の長手両端部方向に跳ね上げることで保護筒体5の内部の作業スペースを広げることができる。また、蓋体20の材料投入口21は該揺動板22の全体に形成された連子状又は格子状又は網目状に形成しているので、この材料投入口21を通して撹拌物を保護筒体5内に投入することが可能になり、この蓋体20の洗浄も容易になる
As a result, it is no longer necessary to connect the tip end sides of the left and right shaftless stirring blades with the connecting member as in the conventional shaftless stirring blade, and the moving efficiency of the stirring object can be improved. In addition, since the end rotating shaft 4 is held inside the protective cylinder 5 fixed to the side wall portion 3, the support strength of the end rotating shaft 4 is increased, and the kneaded material such as concrete rotates at the end. Prevents direct adhesion to the shaft 4.
Furthermore, an opening 6 is formed on the entire upper side of the peripheral wall 2 of the stirring drum 1, and a lid 20 having a material inlet 21 is provided at the upper end of the side wall 3 so as to be swingable. The cover 6 can be freely opened and closed, and the opening 6 is opened when the inside of the stirring drum 1 is cleaned. For example, even after fast-hardening concrete is stirred, the peripheral wall 2 of the stirring drum 1 is used for cleaning. The entire upper side of the glass can be opened and cleaned. Moreover, since the inside of the stirring drum 1 is provided with the protective cylinder 5 that protects the shaftless stirring blade and the end rotating shaft 4, cleaning and maintenance can be performed very easily. Therefore, it becomes possible to quickly remove the fast-hardening concrete adhering in the used stirring device, and the stirring device is cleaned in a short time and the washing water is remarkably reduced, so that the processing work at the time of cleaning and after the cleaning is performed. Can be streamlined .
Moreover, the lid 20 is composed of a pair of swing plates 22 to which both side wall portions 3 of the stirring drum 1 are connected so as to be swingable. The working space inside the protective cylinder 5 can be expanded by jumping up the moving plate 22 in the direction of both longitudinal ends of the protective cylinder 5. Further, since the material input port 21 of the lid 20 is formed in a continuous shape, a lattice shape, or a mesh shape formed on the entire swing plate 22, the agitated material is protected through the material input port 21. 5 and the lid 20 can be easily cleaned .

請求項2のごとく、前記一対の端部回転軸4において、一方の端部回転軸4は駆動モーター30の駆動軸31に直結され、他方の端部回転軸4は、前記撹拌ドラム1の外側で駆動モーター30の駆動軸31に連動するよう配置された回転伝達軸32を介して駆動軸31に連動するように構成されているので、各端部回転軸4は、いずれも一台の駆動モーター30の駆動力に連動して各撹拌羽根体10を回転させることができるので、保護筒体5の内部を貫通するシャフトを持たないシャフトレス撹拌翼を採用しても、保護筒体5の内部を貫通するシャフトを備えた撹拌装置の回転力と同等の回転力を得ることができる。しかも、従来のように左右の駆動モーターを使用する必要はないので、従来のように、各駆動モーターの回転速度の違いにより機器が破損する虞も解消した。   As in claim 2, in the pair of end rotary shafts 4, one end rotary shaft 4 is directly connected to the drive shaft 31 of the drive motor 30, and the other end rotary shaft 4 is outside the stirring drum 1. Thus, each of the end rotary shafts 4 is driven by a single drive unit because it is configured to be linked to the drive shaft 31 via the rotation transmission shaft 32 arranged to be linked to the drive shaft 31 of the drive motor 30. Since each stirring blade body 10 can be rotated in conjunction with the driving force of the motor 30, even if a shaftless stirring blade having no shaft penetrating the inside of the protection cylinder body 5 is employed, the protection cylinder body 5 A rotational force equivalent to the rotational force of the stirring device provided with the shaft penetrating the inside can be obtained. In addition, since it is not necessary to use the left and right drive motors as in the prior art, the possibility of equipment damage due to the difference in the rotational speed of each drive motor as in the prior art has been eliminated.

本発明の一実施例を示す一部切欠正面図である。It is a partially cutaway front view showing an embodiment of the present invention. 本発明の一実施例を示す平面正面図である。It is a plane front view which shows one Example of this invention. 本発明の一実施例を示す一部切欠側面図である。It is a partially cutaway side view showing an embodiment of the present invention. 本発明の保護筒体を示す横断面図である。It is a cross-sectional view showing a protective cylinder of the present invention. 本発明の保護筒体を示す縦断面図である。It is a longitudinal cross-sectional view which shows the protection cylinder of this invention.

本発明によると、シャフトレス撹拌翼による撹拌効率を高めると共に、速硬コンクリートの使用後でも迅速な除去が可能で撹拌装置を短時間で洗浄することができるなどといった当初の目的を達成した。   According to the present invention, the initial objectives of increasing the stirring efficiency by the shaftless stirring blade, enabling quick removal even after using fast-hardening concrete, and cleaning the stirring device in a short time have been achieved.

以下、本発明の実施例を説明する。本発明の基本構成は、撹拌ドラム1と端部回転軸4と撹拌羽根体10とで構成されている(図1参照)。   Examples of the present invention will be described below. The basic configuration of the present invention includes a stirring drum 1, an end portion rotating shaft 4, and a stirring blade body 10 (see FIG. 1).

撹拌ドラム1は、少なくとも下半分が横断面略円弧状の周壁部2を有し、その両端部が側壁部3により閉塞された略ドラム形状を成す(図3参照)。図示例では、縦断面略U字状を呈する周壁部2と、その両側端部分を塞ぐように固着される左右側壁部3とからなり、周壁部2の一部(例えば、中央下部)には、撹拌混練されたコンクリート等を吐出する排出口7を開口すると共に、この排出口7を開閉自在な開閉蓋8が付設されている(図2参照)。   The stirring drum 1 has a substantially drum shape in which at least a lower half has a peripheral wall portion 2 having a substantially arc-shaped cross section, and both end portions thereof are closed by side wall portions 3 (see FIG. 3). In the example of illustration, it consists of the surrounding wall part 2 which exhibits a longitudinal cross-section substantially U shape, and the right-and-left side wall part 3 fixed so that the both-sides end part may be plugged up. A discharge port 7 for discharging the agitated and kneaded concrete and the like is opened, and an open / close lid 8 that can freely open and close the discharge port 7 is attached (see FIG. 2).

更に、撹拌ドラム1の周壁部2の上側全体に開口部6を形成している(図2参照)。そして、この開口部6を開閉自在にする蓋体20を設けることで、撹拌時の安全性を高めると共に、撹拌後、撹拌ドラム1の内部を洗浄する際に開口部6を開放できるように構成したものである(図1参照)。   Furthermore, the opening part 6 is formed in the whole upper side of the surrounding wall part 2 of the stirring drum 1 (refer FIG. 2). Then, by providing the lid 20 that allows the opening 6 to be opened and closed, the safety at the time of stirring is improved, and the opening 6 can be opened when washing the inside of the stirring drum 1 after stirring. (See FIG. 1).

図示の蓋体20には、連子状の材料投入口21を備えている(図2参照)。この材料投入口21は、この他、格子状又は網目状に形成することも可能である。この材料投入口21により、施蓋時の蓋体20でも、この材料投入口21を通して撹拌ドラム1内に撹拌物等を投入することができる。図示の蓋体20は、撹拌ドラム1の両側壁部3がわに揺動自在に連結された一対の揺動板22にて形成されている(図1参照)。   The illustrated lid 20 is provided with a continuous material input port 21 (see FIG. 2). In addition, the material inlet 21 can be formed in a lattice shape or a mesh shape. The material charging port 21 allows the agitated material or the like to be charged into the stirring drum 1 through the material charging port 21 even in the lid 20 at the time of covering. The illustrated lid 20 is formed by a pair of swing plates 22 in which both side wall portions 3 of the stirring drum 1 are connected so as to freely swing (see FIG. 1).

端部回転軸4は、撹拌ドラム1の側壁部3から撹拌ドラム1内に突出する一対の軸状部材である(図1参照)。図示例では、一対の端部回転軸4において、一方の端部回転軸4は駆動モーター30の駆動軸31に直結している。また、他方の端部回転軸4は、撹拌ドラム1の外側で駆動モーター30の駆動軸31に連動するよう配置された回転伝達軸32を介して連動するように構成したものである(図2参照)。   The end rotating shaft 4 is a pair of shaft-like members that protrude into the stirring drum 1 from the side wall 3 of the stirring drum 1 (see FIG. 1). In the illustrated example, in the pair of end rotation shafts 4, one end rotation shaft 4 is directly connected to the drive shaft 31 of the drive motor 30. The other end rotating shaft 4 is configured to be linked via a rotation transmission shaft 32 arranged to be linked to the driving shaft 31 of the driving motor 30 outside the stirring drum 1 (FIG. 2). reference).

すなわち、他方の端部回転軸4を駆動回転せしめるための手段として、図示例では駆動モーター30の駆動軸31に固定したスプロケット33及びチェーン34を介して回転伝達軸32を回転させる(図1参照)。更に、この回転伝達軸32から再びスプロケット33及びチェーン34を介して他方の端部回転軸4を回転せしめる構成が採用されている(図2参照)。   That is, as a means for driving and rotating the other end rotating shaft 4, in the illustrated example, the rotation transmission shaft 32 is rotated via a sprocket 33 and a chain 34 fixed to the driving shaft 31 of the driving motor 30 (see FIG. 1). ). Furthermore, the structure which rotates the other end part rotating shaft 4 again from this rotation transmission shaft 32 via the sprocket 33 and the chain 34 is employ | adopted (refer FIG. 2).

この端部回転軸4は、撹拌ドラム1内部において、保護筒体5が端部回転軸4を保護している(図1参照)。この保護筒体5は、各側壁部3に固定され対向する側壁部3方向に突出した一対の筒状部材で、各端部回転軸4は各保護筒体5の内部にそれぞれ回転自在に保持されている(図5参照)。図示の保護筒体5は、周壁部2の外側面に固定するフランジ5Aと、保護筒体5の内部に保持する端部回転軸4に当接するベアリング5Bとを備えている(図4参照)。   As for this end part rotating shaft 4, the protection cylinder 5 has protected the end part rotating shaft 4 inside the stirring drum 1 (refer FIG. 1). The protective cylinder 5 is a pair of cylindrical members that are fixed to the side wall portions 3 and protrude in the direction of the opposing side wall portions 3, and each end rotating shaft 4 is rotatably held inside each protective cylinder body 5. (See FIG. 5). The illustrated protective cylinder 5 includes a flange 5A that is fixed to the outer surface of the peripheral wall 2 and a bearing 5B that abuts against the end rotary shaft 4 that is held inside the protective cylinder 5 (see FIG. 4). .

また、端部回転軸4の先端に支持杆体11を設け、この支持杆体11を介して端部回転軸4と撹拌羽根体10とを連結する。この支持杆体11は、各端部回転軸4の先端部から周壁部2方向に延長される杆状部材で、撹拌羽根体10の長手中央部に連結する。そして、この支持杆体11を介して撹拌羽根体10を回動せしめるように構成している。図示例では、端部回転軸4の長手方向に対して直交する方向に支持杆体11を設けている。   Further, a support housing 11 is provided at the tip of the end rotating shaft 4, and the end rotating shaft 4 and the stirring blade body 10 are connected via the support housing 11. The support casing 11 is a flange-shaped member that extends in the direction of the peripheral wall 2 from the tip of each end rotation shaft 4 and is connected to the longitudinal center of the stirring blade body 10. And it is comprised so that the stirring blade body 10 may be rotated through this support housing 11. FIG. In the illustrated example, the support housing 11 is provided in a direction orthogonal to the longitudinal direction of the end rotation shaft 4.

撹拌羽根体10は、一対の端部回転軸4に夫々連結され撹拌ドラム1内の周壁部2に摺動しながら回動する羽根状部材で(図3参照)、所謂、シャフトレス撹拌翼を採用している(図1参照)。   The stirring blade body 10 is a blade-like member that is connected to the pair of end rotation shafts 4 and rotates while sliding on the peripheral wall portion 2 in the stirring drum 1 (see FIG. 3). Adopted (see Fig. 1).

この撹拌羽根体10は、撹拌ドラム1の側壁部3内周面に沿って摺動するので、撹拌羽根体10の摺動面にゴム材を配置している。また、図中12は、撹拌羽根体10の基端部分に形成されて撹拌ドラム1の側壁部3内面に当接すると共に、撹拌ドラム1端部のセメントや砂、水、砂利等をドラム5中央がわに押出すように構成された側壁面摺節体12である(図1参照)。   Since the stirring blade body 10 slides along the inner peripheral surface of the side wall portion 3 of the stirring drum 1, a rubber material is disposed on the sliding surface of the stirring blade body 10. Reference numeral 12 in the figure is formed at the base end portion of the stirring blade body 10 and abuts against the inner surface of the side wall portion 3 of the stirring drum 1, and cement, sand, water, gravel, etc. at the end portion of the stirring drum 1 It is the side wall surface sliding body 12 comprised so that it might extrude into a glue (refer FIG. 1).

尚、本発明の各構成は図示例に限定されるものではなく、本発明の要旨を変更しない範囲で任意に構成を変更することが可能であり、例えば、本発明をコンパクトにして車両に搭載することも可能である。   Each configuration of the present invention is not limited to the illustrated example, and the configuration can be arbitrarily changed without changing the gist of the present invention. For example, the present invention is compactly mounted on a vehicle. It is also possible to do.

1 撹拌ドラム
2 周壁部
3 側壁部
4 端部回転軸
5 保護筒体
5A フランジ
5B ベアリング
6 開口部
7 排出口
8 開閉蓋
10 撹拌羽根体
11 支持杆体
12 側壁面摺節体
20 蓋体
21 材料投入口
22 揺動板
23 把手
30 駆動モーター
31 駆動軸
32 回転伝達軸
33 スプロケット
34 チェーン
DESCRIPTION OF SYMBOLS 1 Stirring drum 2 Peripheral wall part 3 Side wall part 4 End rotating shaft 5 Protection cylinder 5A Flange 5B Bearing 6 Opening part 7 Discharge port 8 Opening and closing lid 10 Stirring blade body 11 Supporting housing body 12 Side wall surface sliding body 20 Lid body 21 Material input Port 22 Oscillating plate 23 Handle 30 Drive motor 31 Drive shaft 32 Rotation transmission shaft 33 Sprocket 34 Chain

Claims (2)

少なくとも下半分は横断面略円弧状の周壁部を有し、その両端部が側壁部により閉塞された撹拌ドラムと、該撹拌ドラムの側壁部から撹拌ドラム内に突出する一対の端部回転軸と、該一対の端部回転軸に夫々連結され撹拌ドラム内の周壁部に摺動しながら回動する撹拌翼体と、撹拌ドラム周壁部の上側全体に開口部を形成すると共に、材料投入口を備えた蓋体と、により構成されるシャフトレス撹拌装置において、
各端部回転軸は、各側壁部に固定され対向する側壁部方向に突出した一対の保護筒体の内部にそれぞれ回転自在に保持されると共に、各端部回転軸の先端部から周壁部方向に延長され撹拌羽根体の長手中央部に連結する支持杆体を備え、該支持杆体を介して撹拌羽根体を回動せしめ、
蓋体は、撹拌ドラムの両側壁部がわ上端部に揺動自在に連結された一対の揺動板にて構成されて開口部を開閉自在に施蓋し、撹拌ドラムの内部を洗浄する際に開口部を開放するように構成されると共に、材料投入口は該揺動板の全体に形成された連子状又は格子状又は網目状に形成されていることを特徴とする撹拌装置。
At least the lower half has a peripheral wall portion having a substantially arc-shaped cross section, and both ends of the stirring drum are closed by side wall portions, and a pair of end rotation shafts protruding from the side wall portions of the stirring drum into the stirring drum. A stirring blade body connected to the pair of end rotation shafts and rotating while sliding on the peripheral wall portion in the stirring drum, and an opening is formed in the entire upper side of the stirring drum peripheral wall portion, A shaftless stirring device configured with a lid provided with
Each end rotation shaft is rotatably held inside a pair of protective cylinders that are fixed to each side wall portion and protrude in the opposite side wall portion direction, and from the front end portion of each end rotation shaft to the peripheral wall portion direction. Is provided with a support casing connected to the longitudinal central portion of the stirring blade body, and the stirring blade body is rotated through the support casing,
The lid is composed of a pair of swing plates in which both side walls of the stirring drum are swingably connected to the upper end of the flange, and the opening is opened and closed freely to clean the inside of the stirring drum. stirrer with configured to open, the material inlet is characterized that you have been formed in the diad like or grid-like or mesh formed on the entire swing plate openings.
前記一対の端部回転軸において、一方の端部回転軸は駆動モーターの駆動軸に直結され、他方の端部回転軸は、前記撹拌ドラムの外側で駆動モーターの駆動軸に連動するよう配置された回転伝達軸を介して駆動軸に連動するように構成された請求項1記載の撹拌装置。   In the pair of end rotation shafts, one end rotation shaft is directly connected to the drive shaft of the drive motor, and the other end rotation shaft is disposed outside the stirring drum so as to be interlocked with the drive motor drive shaft. The stirring device according to claim 1, wherein the stirring device is configured to be interlocked with the drive shaft via the rotation transmission shaft.
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