JPH106325A - Manufacturing apparatus for running type cavity concrete precast panel and use thereof - Google Patents
Manufacturing apparatus for running type cavity concrete precast panel and use thereofInfo
- Publication number
- JPH106325A JPH106325A JP17860896A JP17860896A JPH106325A JP H106325 A JPH106325 A JP H106325A JP 17860896 A JP17860896 A JP 17860896A JP 17860896 A JP17860896 A JP 17860896A JP H106325 A JPH106325 A JP H106325A
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- concrete
- forming
- cores
- bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
- B28B11/0818—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for roughening, profiling, corrugating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/084—Producing shaped prefabricated articles from the material by vibrating or jolting the vibrating moulds or cores being moved horizontally for making strands of moulded articles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は空胴プレキャスト
コンクリート板の製造装置に係わるものであって、特
に、その表面に現場打ちコンクリーと結合を強固にする
多数のシャコッターとなる窪みを有する前記空胴プレキ
ャストコンクリート板の製造装置及びこの装置を用いた
空胴プレキャストコンクリート板の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a cavity precast concrete plate, and more particularly, to a cavity having a plurality of shacotter cavities on the surface thereof for strengthening bonding with cast-in-place concrete. The present invention relates to a device for producing a precast concrete plate and a method for producing a cavity precast concrete plate using the device.
【0002】[0002]
【従来の技術】従来のこの種の装置としては、特公昭6
2−42766公報によって知られており、その概要は
長尺のコンクリート成形ベッドに跨架して、この長手方
向に沿って移動可能な移動台が設けてあり、この移動台
に前記ベッドの両側部と摺動接触する左右一対の起立ス
リップ成形壁が設けてあり、また前記成形ベッド面に平
行で、このベッド面より離反し、この長手方向に延びる
空胴成形コアが複数本前記移動台にそれぞれ片持ち支持
してあり、更に、前記移動台には各空胴成形コアの支持
部より更に上流側の前記各空胴成形コアのない前記成形
ベッド上に混練した生コンクリートを供給する第1のホ
ッパーと、各空胴成形コアの上部に前記生コンクリート
を供給する第2のホッパーが設けてあり、前記第2のホ
ッパーより前記空胴成形コアの先端よりの上部には、こ
れらの支持部側より先端方向にコンクリート圧密装置が
設けてある走行式の空胴プレキャストコンクリート板製
造装置であり、特にコンクリート板の表面に窪みを多数
設ける装置しては、前記各空胴成形コアが抜けた後のコ
ンクリート板の表面に放射状に多数の突起が突出した窪
み成形ローラーを転動接触させ、前記放射状突起によ
り、コンクリート板表面に多数の窪みを形成する装置が
知られている。2. Description of the Related Art As a conventional apparatus of this type, Japanese Patent Publication No. Sho 6
It is known from Japanese Patent Application Publication No. 2-42766, and its outline is to provide a movable platform which is laid on a long concrete molding bed and is movable along this longitudinal direction. A pair of left and right upright slip forming walls that are in sliding contact with each other are provided, and a plurality of cavity forming cores parallel to the forming bed surface, separated from the bed surface, and extending in the longitudinal direction are respectively provided on the movable base. A cantilevered support, and the movable table is further supplied with kneaded ready-mixed concrete on the forming bed without the cavity forming cores further upstream than the support portion of each cavity forming core. A hopper and a second hopper for supplying the ready-mixed concrete are provided above each of the cavity forming cores, and above the tip of the cavity forming core above the second hopper, these support portions are provided. Yo This is a traveling-type cavity precast concrete plate manufacturing device in which a concrete compaction device is provided in the tip direction, and in particular, a device in which a number of depressions are provided on the surface of a concrete plate is used as a concrete after the cavity molding cores have come off. 2. Description of the Related Art There is known an apparatus in which a dent forming roller having a large number of projections radially projecting from a surface of a plate is in rolling contact with the surface of the plate to form a large number of dents on the surface of a concrete plate by the radial projections.
【0003】ところが、この先行技術のものは、前述の
通り、前記窪み成形ローラーを前記各空胴成形コアが抜
けた後のコンクリート板の表面に押圧するものであるか
ら、押圧力が強いと、今成形したばかりの空胴を潰して
しまう恐れがあり、またローラーの回転により、窪みの
肩部分を前記各突起で蹴り上げる状態となり、各窪み肩
部分のコンクリート組織が粗になる傾向になり、コンク
リート製品の運搬中にこの部分から、コンクリート板に
クラックが入るおそれもある。また施工時に上面に打設
する現場打ちコンクリート層との結合力も低下するおそ
れがある。However, in the prior art, as described above, the depression forming roller is pressed against the surface of the concrete plate after each of the cavity forming cores comes off. There is a risk of crushing the cavity just formed, and the rotation of the roller causes the shoulder of the dent to be kicked up by each of the protrusions, and the concrete structure of each shoulder of the dent tends to become coarse, During transportation of the concrete product, the concrete plate may be cracked from this part. Also, the bonding strength with the cast-in-place concrete layer cast on the upper surface during construction may be reduced.
【0004】[0004]
【発明が解決しようとする課題】そこで、この発明は成
形中の空洞プレキャストコンクリート板の表面に窪みを
多数成形する時、前記空胴プレキャストコンクリート板
の空胴を押し潰すことなく、このコンクリート板表面の
密度が粗になったり、窪みの肩部分が削り落されず、く
ぼみ成形用の突起の形状が順次正確に空胴プレキャスト
コンクリート板の表面に転写形成できる装置及びこの装
置を用いた空胴プレキャストコンクリート板の製造方法
を市場に提供する。SUMMARY OF THE INVENTION Accordingly, the present invention provides a method for forming a large number of depressions on the surface of a hollow precast concrete plate during molding without crushing the cavity of the cavity precast concrete plate. And a cavity precast using this device, in which the density of the surface is not roughened and the shoulders of the pits are not shaved off, and the shapes of the projections for forming the cavities can be sequentially and accurately transferred to the surface of the cavity precast concrete plate. Provide concrete plate manufacturing method to market.
【0005】[0005]
【課題を解決するための手段】前記の課題を達成するた
めに、この発明は長尺のコンクリート成形ベッドと、こ
れに跨架して、この長手方向に沿って移動可能な移動台
とが設けてあり、この移動台には前記成形ベッドの両側
部と摺動接触する左右一対の起立スリップ成形壁が設け
てあり、また前記成形ベッド面に平行で、このベッド面
より離反し、この長手方向に延びる空胴成形コアが複数
本前記移動台にそれぞれ片持ち支持してあり、更に、前
記移動台には前記成形ベッド上及び各空胴成形コア上に
混練したコンクリートを供給する少なくとも一基のホッ
パーが設けてあり、前記ホッパーより前記空胴成形コア
の先端寄りの上部には、これらの支持部側より先端方向
にコンクリート圧密装置が少なくとも1基設けてある走
行式の空胴プレキャストコンクリート板製造装置に於い
て、前記圧密装置よりも更に各空胴成形コアの先端側で
あって、各空胴成形コアの上方には、移動台の前後方向
であって、下側に前記成形ベッドと平行な直線部分を設
けた無端ベルト乃至キャタピラが設けてあり、この無端
ベルト乃至キャタピラの外周面に複数箇の突起が設けて
ある窪み成形装置が設けてたものであることを特徴とす
る走行式の空胴プレキャストコンクリート板製造装置と
する。In order to achieve the above-mentioned object, the present invention provides a long concrete bed and a movable table which is laid on the bed and movable along the longitudinal direction. The movable table is provided with a pair of left and right upright slip forming walls that are in sliding contact with both sides of the forming bed, and is parallel to the forming bed surface, is separated from the bed surface, and extends in the longitudinal direction. A plurality of cavity forming cores extending in a cantilever manner are respectively supported on the moving table, and the moving table is further provided with at least one unit for supplying concrete kneaded on the forming bed and on each of the cavity forming cores. A traveling cavity pre-press having a hopper, and at least one concrete consolidation device is provided above the hopper near the tip of the cavity forming core in a tip direction from the support portion side. In the apparatus for producing a concrete panel, the front side of each cavity forming core is further than the consolidation apparatus, and the upper side of each cavity forming core is in the front-rear direction of the moving table, and the lower side is An endless belt or a caterpillar provided with a linear portion parallel to the forming bed is provided, and a dent forming device provided with a plurality of protrusions on an outer peripheral surface of the endless belt or the caterpillar is provided. Traveling type cavity precast concrete plate manufacturing equipment.
【0006】また前記の課題を達成するために、この発
明の走行式の空胴プレキャストコンクリート板製造装置
の前記無端ベルト乃至キャタピラは下側位置の前端の前
記空胴成形コアの根元寄位置において、前記突起がコン
クリート面に押し込まれる深さにしてあり、前記空胴成
形コアの先端側に至るほど、前記深さが浅くなるよう
に、無端ベルト乃至チエンの直線部分に勾配が付けたも
のであることを特徴とすることが好ましい。In order to achieve the above object, in the traveling cavity precast concrete plate manufacturing apparatus of the present invention, the endless belt or the caterpillar is provided at a position near the root of the cavity forming core at the front end at a lower position. The straight portion of the endless belt or chain is provided with a gradient so that the protrusion is pressed into the concrete surface and the depth decreases toward the tip end of the cavity forming core. Preferably, it is characterized by the following.
【0007】また前記の課題を達成するために、この発
明の走行式の空胴プレキャストコンクリート板製造装置
の前記無端ベルト乃至キャタピラは左右一対の無端チエ
ンの所定チエンエレメント毎に、任意形状のコッターバ
ーの両端部が前記無端チエンの移動方向に対し横断方向
に固定してあるキャタピラーであることを特徴とするこ
とが好ましい。In order to achieve the above object, the endless belt or the caterpillar of the traveling cavity precast concrete plate manufacturing apparatus of the present invention is provided with a cotter bar having an arbitrary shape for each of a predetermined pair of right and left endless chain elements. It is preferable that both ends are caterpillars fixed in a direction transverse to the moving direction of the endless chain.
【0008】また前記の課題を達成するために、この発
明の走行式の空胴プレキャストコンクリート板製造装置
の全ての前記各空胴成形コアは前記移動台が成形方向に
移動中に、これら各空胴成形コアの軸方向に往復振動可
能に前記移動台に装備してあることを特徴とすることが
好ましい。In order to achieve the above object, all of the cavity forming cores of the traveling type cavity precast concrete plate manufacturing apparatus of the present invention are designed such that each of the cavity forming cores moves while the moving table moves in the forming direction. It is preferable that the movable stage is equipped with a reciprocating vibration in the axial direction of the body forming core.
【0009】また前記の課題を達成するために、この発
明の走行式の空胴プレキャストコンクリート板製造装置
の前記圧密装置は押し込み装置と表面振動装置が前方よ
り後方に順次も設けたものであり、押し込み装置は押圧
部材を前記複数本の各空胴成形コアの上方位置におい
て、上下往復駆動手段によって上下に移動する装置であ
り、表面振動装置は生コンクリート表面に接触する均し
板が、その前後及び上下方向に往復振動する装置である
ことを特徴とすることが好ましい。In order to achieve the above object, the compacting device of the traveling type cavity precast concrete plate manufacturing apparatus of the present invention is provided with a pushing device and a surface vibrating device which are sequentially provided from the front to the rear. The pushing device is a device for moving the pressing member up and down by means of a vertical reciprocating drive means at a position above each of the plurality of cavity forming cores, and the surface vibrating device is a leveling plate which comes into contact with the ready-mixed concrete surface. Preferably, the device is a device that reciprocates vertically.
【0010】前記の課題を達成するために、この方法発
明は請求項1、請求項2、請求項3、請求項4又は請求
項5記載の発明の装置を用い、前記長尺の成形ベット上
を移動する前記移動台を成形方向に移動させながら、前
記2箇のホッパーから生コンクリートを移動台に固定し
てある起立スリップ成形壁間であって、前記ベッド及び
各空胴成形コアの上部に供給し、これら各空胴成形コア
の上から押圧して打設した生コンクリートを前記成形ベ
ッドと前記各空胴成形コアの間及び前記各空胴成形コア
間に圧密し、更に前記各空胴成形コアの上にも所定の厚
さに生コンクリート層を形成し、In order to achieve the above object, the present invention uses the apparatus according to any one of the first, second, third, fourth and fifth aspects of the present invention, and uses the apparatus according to the first or second aspect of the present invention. While moving the moving table in the forming direction, between the upright slip forming walls fixing the ready-mixed concrete from the two hoppers to the moving table, and at the top of the bed and each cavity forming core. The raw concrete supplied and pressed from above each of the cavity molding cores is compacted between the molding bed and each of the cavity molding cores and between each of the cavity molding cores. Form a ready-mixed concrete layer to a predetermined thickness on the molding core,
【0011】前記各空胴成形コアの在る位置の生コンク
リート層の上面に移動台の前後方向に直線部分を設けた
無端ベルト乃至キャタピラの外周面に設けた窪み成形用
の突起を順次、先ず押圧して前記無端ベルト乃至キャタ
ピラを前記移動台に対して同速度で移動し、これら各突
起をコンクリート表面に一時的に留まらせ、移動台の移
動に伴って、前記各突起を順次コンクリート表面より、
そのままの姿勢で垂直方向に順次引き抜き、コンクリー
ト表面に順次溝乃至窪みを形成して空胴プレキャストコ
ンクリートを製造することを特徴とする走行式空胴プレ
キャストコンクリート板ー製造装置の使用方法。An endless belt provided with a straight portion in the front-rear direction of the moving table on the upper surface of the ready-mixed concrete layer at a position where each of the cavity forming cores is located, or a projection for forming a dent formed on the outer peripheral surface of the caterpillar is sequentially formed. The endless belt or caterpillar is moved at the same speed with respect to the moving table by pressing, and these projections are temporarily retained on the concrete surface, and with the movement of the moving table, the respective projections are sequentially moved from the concrete surface. ,
A method of using a traveling-type cavity precast concrete plate-making apparatus, wherein a cavity precast concrete is manufactured by sequentially pulling out vertically in the same posture and sequentially forming grooves or depressions in the concrete surface.
【0012】発明の作用 請求項1の装置発明において、ホッパーを先頭として、
成形ベッドの一端に移動台を寄せ、成形ベッドの上に必
要に応じて、成形ベッドの長手方向に複数本のPC鋼よ
り線を所定の引張力を加えて張設し、前記の第1及び第
2のホッパーに生コンクリートを供給し、この装置の全
てを運転する。According to the first aspect of the present invention, with the hopper at the top,
The moving table is moved to one end of the forming bed, and if necessary, a plurality of PC steel strands are stretched in the longitudinal direction of the forming bed by applying a predetermined tensile force to the forming bed. The second hopper is supplied with ready-mixed concrete and all of the equipment is operated.
【0013】まず前記移動台を成形ベッドの反対方向端
にゆっくり移動し、この移動に伴って、ホッパーから生
コンクリートが直接成形ベッド上及び複数本の空胴成形
コアの上に供給され、移動台の移動に伴い、供給された
生コンクリートは前記空胴成形コアの上下、各空胴成形
コア間、及び両側の空胴成形コアと移動台の起立スリッ
プ成形壁間に供給され、更にコンクリート圧密装置部分
おいて圧密される。First, the moving table is slowly moved to the opposite end of the forming bed, and with this movement, ready-mixed concrete is supplied directly from the hopper onto the forming bed and onto the plurality of cavity forming cores. With the movement of the raw concrete, the supplied ready-mixed concrete is supplied to the top and bottom of the cavity forming core, between the cavity forming cores, and between the cavity forming cores on both sides and the upright slip forming wall of the moving table, and further, the concrete consolidation device The parts are consolidated.
【0014】更に移動台が移動すると、無端ベルト乃至
キャタピラが移動台の移動速度と同一速度で移動して、
圧密された生コンクリーとの上面に窪み成形用の各突起
が前記が生コンクリート上面に順次押し込まれ、各突起
は生コンクリートに対して、その場に留まった状態とな
り移動台の移動に伴って、各突起はそれぞれ順次生コン
クリート面から抜け、その後無端ベルト乃至キャタピラ
の上側に移動する。When the moving table further moves, the endless belt or caterpillar moves at the same speed as the moving table.
Each projection for forming a dent on the upper surface of the compacted raw concrete is pressed into the upper surface of the ready-mixed concrete sequentially, and each protrusion stays in place with respect to the ready-mixed concrete, with the movement of the moving table, Each projection comes off the ready-mixed concrete surface, and then moves to the upper side of the endless belt or caterpillar.
【0015】従って、各突起が生コンクリート面から抜
けとき、各突起によって生コンクリート面に各突起の形
状が転写された窪みが形成される作用をなす。また各突
起が押圧される位置に於いては、各空胴成形コアのある
部分のコンクリート面であるから、空胴が押し潰される
ことはない作用をなす。Therefore, when each projection comes off from the ready-mixed concrete surface, each projection serves to form a depression in which the shape of each projection is transferred to the ready-mixed concrete surface. In addition, at the position where each projection is pressed, since it is the concrete surface of a portion where each cavity forming core is located, the cavity does not crush.
【0016】更に移動台が移動すると、全ての空胴成形
コアは完全に成形ベッド上のコンクリートから抜け、成
形ベッド上に成形コンクリートは順次残り、以後移動台
を所定の位置まで移動して、成形ベッド上に所望長さの
コンクリート板を得る。その後は適宜の方法によりコン
クリート成形品を養生した後、目的の寸法に切断して空
胴プレキャストコンクリート板とする。When the moving table is further moved, all the cavity forming cores are completely removed from the concrete on the forming bed, the formed concrete remains on the forming bed in order, and thereafter the moving table is moved to a predetermined position to form the concrete. Obtain a concrete plate of the desired length on the bed. Then, after curing the concrete molded product by an appropriate method, it is cut into a desired size to obtain a cavity precast concrete plate.
【0017】請求項2記載の発明に於いては、前記作用
に加え、無端ベルト乃至キャタピラは下側の直線部分が
前端部分に於いては突起が深くコンクリート層に押し込
まれ、移動台の移動と共に、各突起はコンクリートに対
して、同一位置で次第に浅く抜けるから、コンクリート
表面には前記各突起の形状が正確に転写した窪みを成形
する作用をなす。特に各突起によって窪みの肩部分を蹴
り上げ、肩部分を崩したり、この部分の密度を粗にしな
い作用をなす。According to the second aspect of the present invention, in addition to the above operation, the endless belt or the caterpillar is pushed into the concrete layer at the lower straight portion at the front end portion and is deeply pushed into the concrete layer. Since each projection is gradually and shallower than concrete at the same position, it functions to form a depression on the concrete surface where the shape of each projection is accurately transferred. In particular, each projection serves to kick up the shoulder portion of the depression, break the shoulder portion, and reduce the density of this portion.
【0018】請求項3記載の発明に於いては、前記請求
項1又は請求項2記載の発明の前記作用に加え、無端ベ
ルト乃至キャタピラはその一種の左右一対の無端チエン
に、この無端チエンを構成する任意箇数毎のチエンエレ
メントに各突起を備えたコッターバーの両端部を固定し
たものを用いているから、生コンクリート面に確実に窪
みが形成される。According to a third aspect of the present invention, in addition to the function of the first or second aspect of the present invention, the endless belt or the caterpillar is provided with a pair of left and right endless chains. Since the cotter bar provided with each protrusion is fixed to both ends of each of the arbitrary number of constituent chain elements, a depression is reliably formed on the fresh concrete surface.
【0019】請求項4記載の発明に於いては、前記請求
項1、請求項2又は請求項3記載の発明の作用に加え、
各空胴成形コアは前記移動台が移動中に、これらの軸方
向に往復振動するから、各空胴成形コア外周面とコンク
リートの各空胴内周面との摩擦が切れ、移動台の移動抵
抗が軽減されると共に、前記各空胴内周面が滑らかにな
り、その後の工程において、これら内周面が崩れること
もなく、最終的にも前記各空胴内周面が強固に成形出来
る作用をなす。According to a fourth aspect of the present invention, in addition to the effects of the first, second or third aspect of the present invention,
Since each cavity forming core reciprocates in the axial direction while the moving table is moving, friction between the outer peripheral surface of each cavity forming core and the inner peripheral surface of each concrete cavity is cut, and the moving table moves. While the resistance is reduced, the inner peripheral surfaces of the respective cavities are smoothed, and in the subsequent steps, the inner peripheral surfaces are not collapsed, and the respective inner peripheral surfaces of the cavities can be finally formed firmly. Works.
【0020】請求項5記載の発明に於いては、前記請求
項1、請求項2、請求項3又は請求項4記載の発明の作
用に加え、押圧装置の後において、表面振動装置により
コンクリート表面は滑らかに密になり、この部分に窪み
成形装置により、窪みが成形されるから、各窪みの肩部
分もコンクリートは密となり、丈夫な窪みが順次形成さ
れ、後空胴コンクリート板なったときも、各窪み部分周
辺はコンクリート密度が他より粗にならず、この上に現
場打ちされるコンクリートとの結合も強固なものとなる
製品が製造できる作用をなす。According to a fifth aspect of the present invention, in addition to the operation of the first, second, third or fourth aspect of the present invention, after the pressing device, the concrete surface is vibrated by a surface vibrating device. Becomes smooth and dense, and the dents are formed by the dent forming device, so the concrete at the shoulders of each dent becomes dense, durable dents are formed in sequence, and even when it becomes a hollow concrete plate In addition, the density of the concrete around the depression is not coarser than that of the others, and the bonding of the concrete and the concrete cast on the concrete is strong, so that a product can be manufactured.
【0021】請求項6記載の方法発明に於いては、表面
の溝乃至窪みの肩部分の形状が崩れたり、密度が粗でな
く、空胴が潰されることなく正確な形状の溝乃至窪みが
表面に形成された空胴プレキャストコンクリート板が製
造される。According to the sixth aspect of the present invention, the shape of the shoulder portion of the groove or the dent on the surface is not collapsed, the density is not coarse, and the groove or the dent having the accurate shape can be formed without the cavity being crushed. A cavity precast concrete plate formed on the surface is manufactured.
【0022】[0022]
【発明の実施の形態】装置発明の実施の形態1請求項1
乃至請求項5記載の発明を含むものであり、図中10は
成形ベッドであり、通常鋼製であり、長さは150m程
度である。11はこれに跨架する移動台であり、前記の
成形ベッド10に対してその長さ方向に往復移動可能に
装備してあり、通常成形ベッド10の一端に設けたウイ
ンチにより牽引して移動さたり、或いは移動台11自体
に動力源を搭載して、自走式としてある。この移動台1
1の両側の成形ベッド10の長さ方向の左右一対の起立
スリップ成形壁12の下端縁は前記成形ベッド10に摺
動させてある。DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment of the Invention
In the drawings, reference numeral 10 denotes a molded bed, which is usually made of steel and has a length of about 150 m. Numeral 11 denotes a movable table which is mounted on the bed so as to be able to reciprocate in the longitudinal direction of the bed 10 and is usually pulled and moved by a winch provided at one end of the bed 10. Alternatively, a power source is mounted on the moving table 11 itself, and the moving table 11 is of a self-propelled type. This mobile platform 1
The lower end edges of a pair of right and left upright slip forming walls 12 in the longitudinal direction of the forming bed 10 on both sides of the unit 1 are slid on the forming bed 10.
【0023】前記移動台11には前記コンクリート成形
ベッド10面に平行で、このベッド10面より離反し、
この長手方向に延びる空胴成形コア15が複数本前記移
動台11にそれぞれ片持ち支持してあり、その支持部1
6は前記移動台11に対して前後方向に往復移動可能に
平行リンク機構17を介して移動台11に支持させてあ
り、これら空胴成形コア15の自由端18は移動台11
の成形時の移動方向を基準として、後方に向けて延在さ
せてある。前記各空胴成形コア15には偏芯輪などの振
動装置(図示してない)が連結してあって、各空胴成形
コア15を前後に振動させるようにしてある。The movable table 11 is parallel to the surface of the concrete forming bed 10 and separated from the surface of the bed 10.
A plurality of cavity forming cores 15 extending in the longitudinal direction are cantilevered on the moving table 11 respectively, and the support portions 1
Reference numeral 6 denotes a movable table 11 supported by a movable table 11 via a parallel link mechanism 17 so as to be able to reciprocate in the front-rear direction with respect to the movable table 11.
Is extended rearward with reference to the moving direction at the time of molding. A vibration device (not shown) such as an eccentric wheel is connected to each of the cavity molding cores 15 so as to vibrate each cavity molding core 15 back and forth.
【0024】この移動台11の上部には大きな混練した
生コンクリートを受ける受けホッパー20が設けてあ
り、この下部は移動台11の前後に分かれて、その分配
口21,22は受けホッパー20の下部に設けられた第
1ホッパー23と第2ホッパー24の上部に臨ませてあ
る。受けホッパーの底にはそれそれの分配口21,22
に生コンクリートを送り出すフィーダー25,26が設
けてある。このフィーダーはベルトコンベヤーでも、ス
クリューコンベヤーでもよいが、図示においてはベルト
コンベヤーとしてある。A receiving hopper 20 for receiving a large kneaded ready-mixed concrete is provided on the upper portion of the moving table 11, and the lower portion is divided into front and rear portions of the moving table 11. The first hopper 23 and the second hopper 24 provided at the upper part of the hopper 23 face the upper part. At the bottom of the receiving hopper, there are respective distribution ports 21 and 22
Are provided with feeders 25 and 26 for feeding ready-mixed concrete. This feeder may be a belt conveyor or a screw conveyor, but is shown as a belt conveyor.
【0025】前記第1ホッパー23は前記移動台11の
前部の空胴成形コア15の無い部分の成形ベッド上に直
接生コンクリートが供給できる位置に設けてあり、また
第2ホッパー24は前記複数本の空胴成形コア15の支
持部近傍の上方に生コンクリートが供給てきる位置に設
けてある。The first hopper 23 is provided at a position where the ready-mixed concrete can be directly supplied onto the forming bed at the front portion of the movable table 11 where the cavity forming core 15 is not provided. It is provided at a position where the ready-mixed concrete is supplied above the vicinity of the support portion of the cavity forming core 15 of the book.
【0026】更に前記移動台11には前記第2のホッパ
ー24より前記複数本の空胴成形コア15の自由端(先
端)18寄りの上部には、これらの支持部17側より自
由端方向にコンクリート圧密装置30が2基設けてあ
り、前記圧密装置はそれぞれ前記圧密装置の一種である
押し込み装置31と表面振動装置35が前方より後方に
順次も設けたものである。Further, the movable table 11 is provided above the free ends (tips) 18 of the plurality of cavity forming cores 15 from the second hopper 24 in the direction of the free ends from the support portion 17 side. Two concrete compacting devices 30 are provided, and each of the compacting devices is provided with a pushing device 31 and a surface vibrating device 35, which are one type of the compacting devices, sequentially from the front to the rear.
【0027】押し込み装置31は押圧部材32を前記複
数本の各空胴成形コア15の上方位置において、上下往
復駆動手段33によって上下に移動する装置であり、往
復駆動手段33例えばクランクを用いる。表面振動装置
35は打設したコンクリート表面に接触する均し板36
が、その前後及び上下方向に往復振動手段37によって
振動する装置である。往復振動手段37としては、例え
ば偏心輪を用いる。The pushing device 31 is a device for moving the pressing member 32 up and down by the vertical reciprocating drive means 33 at a position above each of the plurality of cavity forming cores 15, and uses a reciprocating drive means 33 such as a crank. The surface vibrating device 35 is a leveling plate 36 that comes into contact with the concrete surface that has been cast.
Is a device vibrated by the reciprocating vibration means 37 in the front-rear direction and the vertical direction. As the reciprocating vibration means 37, for example, an eccentric ring is used.
【0028】前記押圧部材32は成形ベッド10の横断
方向に延び、その両端は移動台11の両起立側壁12に
達した断面任意の形状棒状のものであり、前記均し板3
6は成形ベッド10の長さ方向に幅ある板状であり、そ
の両端は前記移動台11の両起立側壁12に達しいる。
通常この押圧部材32は断面L、H又は各C字型等の型
材を用いる。これら前記押圧部材32及び前記均し板3
6のそれぞれの前縁は橇状に湾曲乃至傾斜38,39さ
せてあり、これらの下側に打設したコンクリートが潜り
込み易いようにしてある。The pressing member 32 extends in the transverse direction of the forming bed 10, and both ends of the pressing member 32 have a bar shape having an arbitrary cross-section reaching both upright side walls 12 of the moving table 11.
Reference numeral 6 denotes a plate having a width in the length direction of the forming bed 10, and both ends thereof reach both upright side walls 12 of the moving table 11.
Normally, the pressing member 32 uses a cross section L, H, or a C-shaped member. The pressing member 32 and the leveling plate 3
Each of the leading edges 6 is curved or inclined 38, 39 in the form of a sled so that concrete poured into the lower side thereof can easily enter.
【0029】コンクリート圧密装置30よりも更に各空
胴成形コア15の先端側の各空胴成形コア15の上方に
は、窪み成形装置40が設けてあり、この窪み成形装置
40には移動台11の前後方向であって、下側に前記成
形ベッド10と平行な直線部分41を設けた無端ベルト
乃至キャタピラ42が設けてあり、この無端ベルト乃至
キャタピラ42の外周面に窪み成形用の突起43が設け
てある。Above each of the cavity forming cores 15 on the tip side of each of the cavity forming cores 15 than the concrete compaction device 30, there is provided a dent forming device 40. An endless belt or a caterpillar 42 provided with a linear portion 41 parallel to the forming bed 10 in the front-rear direction is provided on the lower side. It is provided.
【0030】前記無端ベルト乃至キャタピラ42は下側
位置の第2ホッパー16寄り端即ち、空胴成形コアの根
元寄り端において、前記突起43がコンクリート面に押
し込まれる深さにしてあり、前記空胴成形コア15の先
端側に至るほど、前記深さが浅くなるように、無端ベル
ト乃至キャタピラの直線部分41に勾配が付けたもので
ある(図2参照)。The endless belt or caterpillar 42 has a depth at which the protrusion 43 is pushed into the concrete surface at an end near the second hopper 16 at a lower position, that is, an end near the root of the cavity forming core. The endless belt or the straight portion 41 of the caterpillar is sloped so that the depth becomes shallower toward the tip end of the molding core 15 (see FIG. 2).
【0031】前述の無端ベルト乃至キャタピラ42の一
例としては、左右一対の無端チエン44をスプロケット
ギヤ45に掛合して設け、この左右一対の無端チエン4
4を構成しているチエンエレメント46の任意箇置きに
コターバー47の両端が固定したもので構成されたキャ
タピラ42aであり、このコツターバー47が前記の突
起43を形成している(図2参照)。As an example of the above-mentioned endless belt or caterpillar 42, a pair of left and right endless chains 44 is provided so as to engage with a sprocket gear 45, and the pair of left and right endless chains 4 is provided.
4 is a caterpillar 42a formed by fixing both ends of a cotter bar 47 at arbitrary positions of a chain element 46 constituting the chain element 4, and the cotter bar 47 forms the protrusion 43 (see FIG. 2).
【0032】コッターバー47の形状は例えば図3に示
す形状のもの2本を一組みとして、移送方向に1本置き
に組み合わせて設けてあるが、コッターバー47に不連
続な任意形状の突出部48を列設したものでもよい(図
5参照)。これらコッターバー47は、その支持部分に
於いては強度のある鋼材製とし、コンクリート面に圧接
する部分は硬質の合成ゴム製又は若干弾性のある合成樹
脂成形品とすることが好ましい。The cotter bar 47 has a shape as shown in FIG. 3, for example, and a pair of two cotter bars 47 is provided in every other direction in the transfer direction. They may be arranged in rows (see FIG. 5). It is preferable that these cotter bars 47 are made of a strong steel material at the support part, and that the parts which are pressed against the concrete surface are made of hard synthetic rubber or a synthetic resin molded article having a little elasticity.
【0033】前述の無端ベルト乃至キャタピラ42の一
例としては、合成ゴム製の無端ベルト42bの外周面に
前記と同様の突起43を多数設けたものでも、この発明
の実施の形態に含まれる(図7参照)。合成ゴムの代わ
りにコンクリートとの離型性のよいシリコーンゴムを用
いてもよい。これら無端ベルト乃至キャタピラ42は各
コッターバー47とコンクリートとの噛み合いにより、
移動台11の移動に伴い、伴れ駆動でもよいが、移動台
11の移動と同調した駆動手段によって、強制駆動する
ことが好ましい。例えば、図示してないが、移動台11
の車輪軸18と無端ベルト又はキャタピラ42が掛合し
ているローラー軸又はスプロケットギヤ45軸とを伝動
手段によって連結してあって、前記無端ベルト乃至キャ
タピラ42を移動台11の速度と同速度に運航するよう
にしてある。As an example of the above-described endless belt or caterpillar 42, an endless belt 42b made of synthetic rubber having a plurality of protrusions 43 on the outer peripheral surface thereof is also included in the embodiment of the present invention (FIG. 7). Instead of synthetic rubber, silicone rubber having good releasability from concrete may be used. These endless belts or caterpillars 42 are engaged with each cotter bar 47 and concrete,
With the movement of the moving table 11, the driving may be accompanied. For example, although not shown, the moving table 11
Of the endless belt or the caterpillar 42 is connected to the roller shaft or the sprocket gear 45 shaft on which the endless belt or the caterpillar 42 is engaged by a transmission means, and the endless belt or the caterpillar 42 is operated at the same speed as the speed of the movable base 11. I have to do it.
【0034】図示の実施の形態おいては、前記第1ホッ
パー23と空胴成形コア15の間に予備均し装置50が
位置させて、移動台11に搭載してあるこの予備均し装
置50は丁度前記空胴成形コア15を極端に短くした形
状であり、これと同数であって、同一配置とした予備コ
ア51があり、前端部分が橇形状としてあって、その支
持部52は上下前後に振動する振動手段53に連結てあ
る。この振動手段53も回転する偏心輪である。In the embodiment shown, a pre-leveling device 50 is located between the first hopper 23 and the cavity forming core 15 and is mounted on the moving table 11. Is a shape in which the cavity molding core 15 is extremely shortened, and the same number, the same number of spare cores 51 are provided, the front end portion is a sled shape, and the support portion 52 is vertically Vibrating means 53 which vibrates in the direction shown in FIG. This vibration means 53 is also a rotating eccentric wheel.
【0035】実施の形態の作用 この移動台11を成形ベッド10の一端に寄せ、先ず成
形ベッド10の表面に沿って、長さ方向に必要数のPC
鋼より線Bを所望の引っ張り力を加えて張設する。前記
受けホッパー20に成形に必要な量の生コンクリートを
供給し、移動台11を前方に移動させながら、これに搭
載されている全ての装置を運転する。まず受けホッパー
20内の生コンクリートはフィーダー25,26によっ
て前後の分配口21,22より第1および第2ホッパー
23,24に供給され、第1のホッパー23からは成形
ベッド10上に直接生コンクリートが供給され、移動台
11の移動に伴って、成形ベッド10の上の生コンクリ
ートは予備均し装置50によって、振動が加えられ、こ
の予備コア51の形状によって、打設された生コンクリ
ートに畝が付けられる。Operation of the Embodiment The movable table 11 is moved to one end of the forming bed 10, and a required number of PCs are first set along the surface of the forming bed 10 in the longitudinal direction.
The steel strand B is stretched by applying a desired tensile force. The ready-mixed concrete is supplied to the receiving hopper 20 in an amount necessary for molding, and all the devices mounted thereon are operated while moving the movable table 11 forward. First, the ready-mixed concrete in the receiving hopper 20 is supplied to the first and second hoppers 23 and 24 from the front and rear distribution ports 21 and 22 by feeders 25 and 26, and the ready-mixed concrete is directly supplied from the first hopper 23 onto the forming bed 10. Is supplied, and the ready-mixed concrete on the forming bed 10 is vibrated by the preliminary leveling device 50 in accordance with the movement of the moving table 11. Is attached.
【0036】更に移動台11の移動により、この畝の付
けられた谷の部分に各空胴成形コア15は進行し、次に
第2のホッパー24から生コンクリートは各空胴成形コ
ア15の上に供給され、この供給された生コンクリート
位置に押し込み装置31が進行して、押圧部材32の上
下動によって、生コンクリートは各空胴成形コア15の
間及び両側の空胴成形コア15と両側の起立スリップ成
形壁12の間より下方に押し込まれて、成形ベッド10
上の各空胴成形コア15周りに圧密される。Further, as the moving table 11 moves, each of the cavity forming cores 15 advances to the ridged valley portion, and then the ready-mixed concrete is transferred from the second hopper 24 to each of the cavity forming cores 15. The pressing device 31 advances to the supplied ready-mixed concrete position, and the ready-mixed concrete is moved between the cavity forming cores 15 and on both sides and the cavity forming cores 15 on both sides by the vertical movement of the pressing member 32. It is pushed downward from between the upright slip forming walls 12 to form the forming bed 10.
It is compacted around each of the cavity forming cores 15 above.
【0037】更に移動台11が進行し、各空胴成形コア
15の上のコンクリート面Cに前後上下に振動する均し
板36が接触し、更に生コンクリートは各空胴成形コア
15周りに圧密され、表面が平滑になる。The moving table 11 further moves, and the leveling plate 36 vibrating up and down and up and down comes into contact with the concrete surface C on each cavity forming core 15, and the ready-mixed concrete is compacted around each cavity forming core 15. And the surface becomes smooth.
【0038】更に移動台11が移動し、均し板36によ
って平滑となったコンクリート面Cに、コッターバー4
7が順次押し込まれ、この形状に生コンクリートが変形
するが、この部分はまだ各空胴成形コア15がコンクリ
ート層の中に存在する部分であるから、コッターバー4
7で押圧されても、空胴部分は押し潰されない。各コッ
ターバー47はコンクリート層に対して、その位置に留
まった状態で、前記キャタピラ42aの直線部分41の
勾配によって、次第に垂直方向に引き抜かれ、遂には完
全に抜けたところで、各コッターバー47はキャタピラ
42aの上側に移動し循環する。The moving table 11 is further moved, and the concrete surface C smoothed by the leveling plate 36 is placed on the cotter bar 4.
7 are successively pushed in, and the ready-mixed concrete is deformed into this shape. However, since this portion is still a portion where each cavity forming core 15 exists in the concrete layer, the cotter bar 4 is formed.
Even when pressed at 7, the cavity is not crushed. Each cotter bar 47 is gradually pulled out in the vertical direction by the gradient of the linear portion 41 of the caterpillar 42a in a state where the cotter bar 47 stays at the position with respect to the concrete layer, and finally, when the cotter bar 47 is completely pulled out, the cotter bar 47 becomes the caterpillar 42a. Moves above and circulates.
【0039】これら全ての工程の前記移動台11の移動
に伴って、各空胴成形コア15は平行リンク機構17に
よって支持され、偏芯輪などの振動装置により前後方向
に1乃至3cm往復振動し、且つ上下方向に0.1乃至
0.4mm程度振動し、各空胴成形コア15とコンクリ
ートの摩擦が切られ、それぞれ各空胴成形コア15往復
振動によって、空胴の内周面が滑らかになる。各空胴成
形コア15は2組に分けられ、組を単位として、他の組
の移動方向が反対にしてあって、振動時における慣性を
相殺させ、移動台11の振動を抑えるようにしてある。With the movement of the moving table 11 in all of these steps, each cavity forming core 15 is supported by a parallel link mechanism 17 and reciprocally oscillates 1 to 3 cm in the front-rear direction by a vibration device such as an eccentric wheel. And, it vibrates in the vertical direction by about 0.1 to 0.4 mm, the friction between each cavity forming core 15 and the concrete is cut, and each cavity forming core 15 reciprocates, whereby the inner peripheral surface of the cavity becomes smooth. Become. Each of the cavity forming cores 15 is divided into two sets, and the movement direction of the other sets is reversed in units of sets, so that inertia at the time of vibration is canceled out and vibration of the movable base 11 is suppressed. .
【0040】更に移動台11が移動して、各空胴成形コ
ア15は完全にコンクリートから抜け、成形ベッド10
の上に順次空胴フレキャストコンクリート板Pが成形さ
れる。この実施の形態1を運転して、空胴プレキャスト
コンクリート板Pを成形する方法は請求項5記載の方法
発明の実施の形態となる。各空胴成形コア15、予備均
し装置50、押圧部材32及び均し板36の振動数は6
0回/分乃至300回/分の範囲より、適宜選択して行
うが、この振動数に特に限定的な意味はない。The moving table 11 is further moved, and each cavity forming core 15 is completely removed from the concrete, and the molding bed 10 is moved.
Are successively formed with hollow cavity cast concrete plates P. A method of forming the cavity precast concrete plate P by operating the first embodiment is an embodiment of the method invention according to claim 5. The frequency of each cavity molding core 15, pre-leveling device 50, pressing member 32 and leveling plate 36 is 6
The frequency is appropriately selected from the range of 0 times / minute to 300 times / minute, but this frequency is not particularly limited.
【0041】コッターバー47による窪み60の形状は
図3に示す様にコッターバー47の幅が部分的に異なる
に於いては、図4に示す様に幅が部分的にことなる溝状
の窪み60となり、また図5に示す様に、コッターバー
47に部分的に高さの異なる突出部48を有するものを
用いた場合は、前記窪み60は溝状であって、部分的に
深さの異なるものとなる。When the width of the cotter bar 47 is partially different as shown in FIG. 3, the shape of the dent 60 formed by the cotter bar 47 becomes a groove-shaped dent 60 whose width is partially different as shown in FIG. As shown in FIG. 5, when a cotter bar 47 having a projection 48 having a partially different height is used, the depression 60 has a groove shape and a partially different depth. Become.
【0042】[0042]
【発明の効果】請求項1記載の発明おいては、前述の様
に構成し、作用をなすから移動台の移動に伴って、前記
請求項5記載の方法発明が実施出来、かつコンクリート
板は順次成形ベッド上に形成され、まだ各空胴成形コア
が抜ける前の位置で、圧密された生コンクリーとの上面
に窪み成形用の各突起が無端ベルト乃至キャタピラが移
動台の移動速度と同一速度で移動して、前記各突起は生
コンクリート上面に順次押し込まれ、各突起は生コンク
リートに対して、その場に前記無端ベルト乃至キャタピ
ラの下側の直線部分の長さの間、留まった状態となり移
動台の移動に伴って、各突起はそれぞれ順次真上方向に
抜けるため、各突起の形状は正確にコンクリート面に転
写される効果を奏する。According to the first aspect of the present invention, the method described in the fifth aspect can be carried out with the movement of the movable base because the above construction and operation are performed. At the position before each cavity molding core is formed on the molding bed in sequence, each projection for forming a dent is formed on the upper surface of the compacted raw concrete and the endless belt or caterpillar is at the same speed as the moving speed of the moving table. And the projections are sequentially pushed into the upper surface of the ready-mixed concrete, and the respective projections stay on the ready-mixed concrete for the length of the endless belt or the linear portion below the caterpillar. With the movement of the movable table, the projections are respectively sequentially removed right above, so that the shape of each projection is accurately transferred to the concrete surface.
【0043】また各突起が押圧される位置に於いては、
各空胴成形コアのある部分であるから、空胴が押し潰さ
れることは全くなく、窪みの周辺のコンクリートは充分
に圧密され、強固な窪みが成形され、空胴プレキャスト
コンクート板をこの上に現場打ちコンクートを施工して
複合スラブとしたとき、充分強度のあるシャコッターと
なる効果を有する。In the position where each projection is pressed,
Since it is a part of each cavity forming core, the cavity is not crushed at all, the concrete around the cavity is sufficiently compacted, a strong cavity is formed, and the cavity precast concrete board is placed on this When a cast-in-place concrete is applied to form a composite slab, it has the effect of being a sufficiently strong shacotter.
【0044】請求項2記載の発明に於いては、前記請求
項1記載の発明の効果のほか、圧密された生コンクリー
との上面に窪み成形用の各突起が無端ベルト乃至キャタ
ピラが移動台の移動速度と同一速度で移動して、前記各
突起は生コンクリート上面に順次押し込まれ、各突起は
生コンクリートに対して、その場に留まった状態となり
移動台の移動に伴って、各突起はそれぞれの押し込み寸
法が次第に浅くなり、遂にはこれら突起は順次生コンク
リート面から抜けるため、各突起は今形成した窪みの肩
には全く接触せず、生コンクリート面に各突起の形状が
正確に転写される効果を奏する。According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, each of the projections for forming a dent on the upper surface of the consolidated raw concrete is provided with an endless belt or a caterpillar on a movable platform. Moving at the same speed as the moving speed, each of the protrusions is sequentially pushed into the upper surface of the ready-mixed concrete, and each of the protrusions stays in place with respect to the ready-mixed concrete. As the indentation becomes gradually shallower, these projections eventually come off the ready-mixed concrete surface, so that each protrusion does not contact the shoulder of the recess just formed at all, and the shape of each protrusion is accurately transferred to the ready-mixed concrete surface. Has the effect of
【0045】請求項3記載の発明おいては、前述の様に
構成し、作用をなすから請求項1又は請求項2記載の効
果のほか、特に前記無端ベルト乃至キャタピラは左右一
対の無端チエンに、これらを構成する所定チエンレメン
ト毎に、任意形状のコッターバーの両端部が前記無端チ
エンの移動方向に対し横断方向に固定したキャタピラで
あるから、形成される窪みの形状が相当深いもの、角
溝、など角張ったものでも、コッターバーの形状通りに
形成出来る。According to the third aspect of the present invention, in addition to the effects of the first and second aspects, the endless belt or the caterpillar is provided with a pair of left and right endless chains. For each of the predetermined chain elements constituting these, since both ends of the cotter bar of an arbitrary shape are caterpillars fixed in the transverse direction to the moving direction of the endless chain, the shape of the formed depression is considerably deep, a square groove, Such a square shape can be formed according to the shape of the cotter bar.
【0046】請求項4記載の発明おいては、前述の様に
構成し、作用をなすから請求項1、請求項2又は請求項
3記載の効果のほか、各空胴成形コアは前記移動台が移
動中に、これらの軸方向に往復移動するから、各空胴成
形コア外周面とコンクリートの各空胴内周面との摩擦が
切れ、移動台の移動抵抗が軽減されると共に、前記各空
胴内周面が滑らかになり、その後の工程において、これ
ら内周面が崩れることもなく、最終的にも前記各空胴内
周面が強固に成形出来るAccording to the fourth aspect of the present invention, the structure and operation are performed as described above. In addition to the effects of the first, second or third aspect, each of the cavity forming cores is provided by the moving platform. Reciprocating in these axial directions during the movement, the friction between the outer peripheral surface of each cavity forming core and the inner peripheral surface of each cavity of concrete is cut, and the movement resistance of the moving table is reduced, and The inner peripheral surface of the cavity becomes smooth, and in the subsequent process, these inner peripheral surfaces do not collapse, and finally, the inner peripheral surface of each cavity can be firmly formed.
【0047】請求項5記載の発明おいては、前述の様に
構成し、作用をなすから請求項1、請求項2、請求項3
又は請求項4記載の効果のほか、各空胴成形コアは前記
移動台が移動中に、これらの軸方向に往復移動するか
ら、各空胴成形コア外周面とコンクリートの各空胴内周
面との摩擦が切れ、移動台の移動抵抗が軽減されると共
に、前記各空胴内周面が滑らかになり、その後の工程に
おいて、これら内周面が崩れることもなく、最終的にも
前記各空胴内周面が強固に成形出来る効果を奏する。According to the fifth aspect of the present invention, the first and second aspects of the present invention are constructed and operated as described above.
In addition to the effect of claim 4, each of the cavity forming cores reciprocates in their axial directions while the moving table is moving, so that the outer peripheral surface of each cavity forming core and the inner peripheral surface of each concrete cavity. And the friction of the moving table is reduced, the moving resistance of the moving table is reduced, and the inner peripheral surfaces of the respective cavities are smoothed. The effect is that the inner peripheral surface of the cavity can be firmly formed.
【0048】請求項6記載の方法発明おいては、前述の
様に構成し、作用をなすから、請求項1、請求項2、請
求項3、請求項4、又は請求項5記載の発明の装置を運
転したときと同じ空胴プレキャストコンクリート板が製
造される効果を奏する。The method according to the sixth aspect of the present invention is constructed and operates as described above, so that the method according to the first, second, third, fourth, or fifth aspect of the present invention is realized. This has the effect of producing the same cavity precast concrete plate as when the apparatus was operated.
【0049】実施の形態の効果、 実施の形態に於いては、予備コア51が空胴成形コア1
5の前方に設けてあるから、移動枠の移動抵抗はより少
ない。またコンクリート圧密装置が押し込み装置31と
表面振動装置35の2基が順次設けてあるから、各空胴
成形コア15の間に巣が出来る恐れはなく、且つコンク
リート板表面が密となる。Effects of the Embodiment, In the embodiment, the spare core 51 is the hollow molded core 1
5, the moving frame has less movement resistance. Further, since the concrete compacting device is provided with two units of the pushing device 31 and the surface vibrating device 35 in order, there is no possibility that a nest is formed between the cavity forming cores 15 and the concrete plate surface becomes dense.
【0050】コッターバー47が部分的に幅の異なるも
のを装備したものに於いては、部分的幅の異なる窪み6
0がコンクリート板Aの表面に成形でき、またコッター
バー47が部分的に高さの異なるものを装備したものに
於いては、部分的幅の深さの異なる溝状の窪み60をコ
ンクリート板Aの表面に成形できる効果を有する。In the case where the cotter bar 47 is equipped with one having a partially different width, the recess 6 having a partially different width is used.
0 can be formed on the surface of the concrete plate A, and in the case where the cotter bar 47 is equipped with one having a partially different height, a groove-shaped depression 60 having a partially different width and a different depth is formed. It has the effect of molding on the surface.
【0051】窪み成形装置40として無端ベルト42b
を用いたものに於いては、各突起43間も無端ベルト4
2bの谷49部分でコンクリート表面を押さえ、この部
分のコンクリートの盛り上がりを阻止する効果を有す
る。An endless belt 42b is used as the dent forming device 40.
In the case of using the endless belt 4 between the projections 43,
This has the effect of holding down the concrete surface at the valley 49 of 2b and preventing the concrete from rising at this portion.
【図1】装置全体の機構図的縦断側面図である。FIG. 1 is a vertical sectional side view of a mechanism of an entire apparatus.
【図2】窪み成形装置部分の縦断側面図である。FIG. 2 is a longitudinal sectional side view of a recess forming device portion.
【図3】コッターバーの一例を示す斜視図である。FIG. 3 is a perspective view showing an example of a cotter bar.
【図4】図3のコッターバーで形成した窪みの形状を示
すコンクリート板の一部破断斜視図である。4 is a partially cutaway perspective view of a concrete plate showing a shape of a depression formed by the cotter bar of FIG. 3;
【図5】コッターバーの他の一例を示す斜視図である。FIG. 5 is a perspective view showing another example of the cotter bar.
【図6】図5のコッターバーで形成した窪みの形状を示
すコンクリート板の一部破断斜視図である。FIG. 6 is a partially cutaway perspective view of a concrete plate showing a shape of a recess formed by the cotter bar of FIG. 5;
【図7】無端ベルトを用いた窪み成形装置部分の一部縦
断側面図である。FIG. 7 is a partially longitudinal side view of a dent forming device using an endless belt.
10 成形ベッド 11 移動台 15 空胴成形コア 23 第1ホッパー 24 第2ホッパー 30 コンクリート圧密装置 40 窪み成形装置 41 直線部分 42 無端ベルト乃至キャタピラ 42a キャタピラ 42b 無端ベルト 43 突起 DESCRIPTION OF SYMBOLS 10 Forming bed 11 Moving stand 15 Cavity forming core 23 1st hopper 24 2nd hopper 30 Concrete compaction apparatus 40 Depression forming apparatus 41 Linear part 42 Endless belt or caterpillar 42a Caterpillar 42b Endless belt 43 Projection
Claims (6)
跨架して、この長手方向に沿って移動可能な移動台とが
設けてあり、この移動台には前記成形ベッドの両側部と
摺動接触する左右一対の起立スリップ成形壁が設けてあ
り、また前記成形ベッド面に平行で、この成形ベッド面
より離反し、この長手方向に延びる空胴成形コアが複数
本前記移動台にそれぞれ片持ち支持してあり、更に、前
記移動台には前記成形ベッド上及び各空胴成形コア上に
混練したコンクリートを供給する少なくとも一基のホッ
パーが設けてあり、前記ホッパーより前記空胴成形コア
の先端寄りの上部には、これらの支持部側より先端方向
にコンクリート圧密装置が少なくとも1基設けてある走
行式の空胴プレキャストコンクリート板製造装置に於い
て、 前記圧密装置よりも更に各空胴成形コアの先端側であっ
て、各空胴成形コアの上方には、移動台の前後方向であ
って、下側に前記成形ベッドと平行な直線部分を設けた
無端ベルト乃至キャタピラが設けてあり、この無端ベル
ト乃至キャタピラの外周面に複数箇の突起が設けてある
窪み成形装置が設けてたものであることを特徴とする走
行式の空胴プレキャストコンクリート板製造装置。1. A long concrete molding bed and a movable platform which is laid on the concrete bed and which is movable along the longitudinal direction thereof. A pair of left and right upright slip forming walls which are in dynamic contact are provided, and a plurality of cavity forming cores extending parallel to the forming bed surface, separated from the forming bed surface, and extending in the longitudinal direction are provided on the movable table, respectively. Further, the movable table is provided with at least one hopper for supplying concrete kneaded on the molding bed and on each of the cavity forming cores, and the hopper is provided with at least one of the cavity forming cores. In a traveling-type cavity precast concrete plate manufacturing device provided with at least one concrete consolidation device in the upper part near the front end from the support portion side in the front direction, the consolidation device An endless belt further provided on the distal end side of each cavity forming core, above each cavity forming core, in the front-rear direction of the moving table, and provided on the lower side with a linear portion parallel to the forming bed. A continuous cavity precast concrete plate manufacturing apparatus, characterized in that the endless belt or the caterpillar is provided with a depression forming device having a plurality of projections provided on an outer peripheral surface of the endless belt or the caterpillar.
の前端の前記空胴成形コアの根元寄位置において、前記
突起がコンクリート面に押し込まれる深さにしてあり、
前記空胴成形コアの先端側に至るほど、前記深さが浅く
なるように、無端ベルト乃至チエンの直線部分に勾配が
付けたものであることを特徴とする請求項1記載の走行
式の空胴プレキャストコンクリート板製造装置。2. The endless belt or caterpillar has a depth at which the projection is pushed into a concrete surface at a position near the root of the cavity forming core at a front end at a lower position,
2. The traveling type hollow according to claim 1, wherein a straight portion of the endless belt or chain is sloped so that the depth becomes shallower toward a tip end side of the cavity forming core. Precast concrete plate manufacturing equipment.
の無端チエンの所定チエンレメント毎に、任意形状のコ
ッターバーの両端部が前記無端チエンの移動方向に対し
横断方向に固定してあるキャタピラであることを特徴と
する請求項1又は請求項2記載の走行式の空胴プレキャ
ストコンクリート板製造装置。3. The endless belt or caterpillar is a caterpillar in which both ends of a cotter bar having an arbitrary shape are fixed in a transverse direction to a moving direction of the endless chain for each predetermined chain of a pair of left and right endless chains. The traveling-type cavity precast concrete plate manufacturing apparatus according to claim 1 or 2, wherein:
成形方向に移動中に、これら各空胴成形コアの軸方向に
往復振動可能に前記移動台に装備してあることを特徴と
する請求項1、請求項2又は請求項3記載の走行式の空
胴プレキャストコンクリート板製造装置。4. Each of the cavity forming cores is mounted on the movable stage so that the movable stage can reciprocate in the axial direction of the cavity forming core while the movable stage is moving in the molding direction. The traveling-type cavity precast concrete plate manufacturing apparatus according to claim 1, 2 or 3.
置とよりなり、これらが前方より後方に順次も設けたも
のであり、押し込み装置は押圧部材を前記複数本の各空
胴成形コアの上方位置において、上下往復駆動手段によ
って上下に移動する装置であり、表面振動装置は生コン
クリート表面に接触する均し板が、その前後及び上下方
向に往復振動する装置であることを特徴とする請求項
1、請求項2、請求項3又は請求項4記載の走行式の空
胴プレキャストコンクリート板製造装置。5. The consolidating device comprises a pushing device and a surface vibrating device, which are sequentially provided from the front to the rear. The pushing device is provided with a pressing member above each of the plurality of cavity forming cores. In the position, it is a device that moves up and down by a vertical reciprocating drive means, and the surface vibrating device is a device in which a leveling plate that comes into contact with the ready-mixed concrete surface vibrates reciprocally back and forth and up and down. The traveling-type cavity precast concrete plate manufacturing apparatus according to claim 1, 2, 3, or 4.
又は請求項5記載の発明の装置を用い、 前記長尺の成形ベット上を移動する前記移動台を成形方
向に移動させながら、前記2箇のホッパーから生コンク
リートを移動台に固定してある起立スリップ成形壁間で
あって前記成形ベッド及び各空胴成形コアの上部に供給
し、これら各空胴成形コアの上から押圧して打設した生
コンクリートを前記ベッドと前記各空胴成形コアの間及
び前記各空胴成形コア間に圧密し、更に前記各空胴成形
コアの上にも所定の厚さに生コンクリート層を形成し、 前記各空胴成形コアの在る位置の生コンクリート層の上
面に移動台の前後方向に直線部分を設けた無端ベルト乃
至キャタピラの外周面に設けた窪み成形用の突起を順
次、先ず押圧して前記無端ベルト乃至キャタピラを前記
移動台に対して同速度で移動し、これら各突起をコンク
リート表面に一時的に留まらせ、移動台の移動に伴っ
て、前記各突起を順次コンクリート表面より、そのまま
の姿勢で垂直方向に順次引き抜き、コンクリート表面に
順次溝乃至窪みを形成して空胴プレキャストコンクリー
トを製造することを特徴とする走行式空胴プレキャスト
コンクリート板製造装置の使用方法。6. The first, second, third and fourth aspects of the present invention.
Or, using the apparatus according to the present invention, the upright wherein the ready-mixed concrete is fixed to the moving table from the two hoppers while moving the moving table moving on the long forming bed in the forming direction. The ready-mixed concrete that is supplied between the slip forming walls and above the forming bed and each of the cavity forming cores, and is pressed and poured from above each of the cavity forming cores into the bed and each of the cavity forming cores. Between the cavity molding cores and between each of the cavity molding cores, further forming a ready-mixed concrete layer on each of the cavity molding cores to a predetermined thickness, and a ready-mixed concrete layer at a position where each of the cavity molding cores is present. An endless belt or a protrusion provided on the outer peripheral surface of the caterpillar provided with a linear portion in the front-rear direction of the moving table on the upper surface of the moving table is sequentially pressed first to move the endless belt or the caterpillar at the same speed with respect to the moving table. Move with These projections are temporarily retained on the concrete surface, and with the movement of the moving table, the respective projections are sequentially pulled out of the concrete surface in a vertical direction in the same posture, and grooves or depressions are sequentially formed on the concrete surface. A method of using a traveling-type cavity precast concrete plate production apparatus, comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17860896A JPH106325A (en) | 1996-06-19 | 1996-06-19 | Manufacturing apparatus for running type cavity concrete precast panel and use thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17860896A JPH106325A (en) | 1996-06-19 | 1996-06-19 | Manufacturing apparatus for running type cavity concrete precast panel and use thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH106325A true JPH106325A (en) | 1998-01-13 |
Family
ID=16051435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17860896A Pending JPH106325A (en) | 1996-06-19 | 1996-06-19 | Manufacturing apparatus for running type cavity concrete precast panel and use thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH106325A (en) |
Cited By (5)
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---|---|---|---|---|
JP2002127125A (en) * | 2000-10-26 | 2002-05-08 | Miyoujiyou Cement Kk | Method for manufacturing concrete floor board with cotter recess, cotter molding machine used therefor, apparatus for manufacturing concrete floor board with cotter molding machine as well as cotter concrete board manufactured by the method |
JP2006299571A (en) * | 2005-04-18 | 2006-11-02 | Shimizu Corp | Full precast floor slab, floor structure, and manufacturing method for full precast floor slab |
JP2008260157A (en) * | 2007-04-10 | 2008-10-30 | Nozawa Corp | Method and apparatus for manufacturing extrusion molded plate |
KR20190055679A (en) * | 2017-11-15 | 2019-05-23 | (주)엘지하우시스 | Pattern forming method for quartz surface and pattern forming device for quartz surface |
CN112041516A (en) * | 2018-03-12 | 2020-12-04 | 弹性势能有限公司 | Prefabricated floor element, structure comprising a prefabricated floor element and device for obtaining a prefabricated floor element |
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1996
- 1996-06-19 JP JP17860896A patent/JPH106325A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002127125A (en) * | 2000-10-26 | 2002-05-08 | Miyoujiyou Cement Kk | Method for manufacturing concrete floor board with cotter recess, cotter molding machine used therefor, apparatus for manufacturing concrete floor board with cotter molding machine as well as cotter concrete board manufactured by the method |
JP2006299571A (en) * | 2005-04-18 | 2006-11-02 | Shimizu Corp | Full precast floor slab, floor structure, and manufacturing method for full precast floor slab |
JP4565331B2 (en) * | 2005-04-18 | 2010-10-20 | 清水建設株式会社 | Floor structure |
JP2008260157A (en) * | 2007-04-10 | 2008-10-30 | Nozawa Corp | Method and apparatus for manufacturing extrusion molded plate |
KR20190055679A (en) * | 2017-11-15 | 2019-05-23 | (주)엘지하우시스 | Pattern forming method for quartz surface and pattern forming device for quartz surface |
CN112041516A (en) * | 2018-03-12 | 2020-12-04 | 弹性势能有限公司 | Prefabricated floor element, structure comprising a prefabricated floor element and device for obtaining a prefabricated floor element |
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