JP2002240026A - Method and device for molding columned product - Google Patents
Method and device for molding columned productInfo
- Publication number
- JP2002240026A JP2002240026A JP2001041131A JP2001041131A JP2002240026A JP 2002240026 A JP2002240026 A JP 2002240026A JP 2001041131 A JP2001041131 A JP 2001041131A JP 2001041131 A JP2001041131 A JP 2001041131A JP 2002240026 A JP2002240026 A JP 2002240026A
- Authority
- JP
- Japan
- Prior art keywords
- belt
- steel pipe
- pipe pile
- formwork
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ベルト式遠心製柱
機など、柱状の製品を成形する装置、並びに、その成形
制御方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for forming a columnar product, such as a belt-type centrifugal column making machine, and a method for controlling the forming thereof.
【０００２】[0002]
【従来の技術】固化過程にある固化性流体から成形され
る柱状の製品としては、パイルや、ポール、ヒューム管
などのコンクリート製品が挙げられる。このような柱状
製品は、原材料となるコンクリートを略円筒形の型枠或
いは鋼管杭体（以下では単に型枠と呼ぶ）に充填し、そ
れを回転することで、柱状に遠心成形している。その典
型的な装置には、ベルト式遠心製柱機がある。ベルト式
遠心製柱機は、可撓性を有するエンドレスなベルトで型
枠を支持し、そのベルトを走行させて型枠に回転を与え
ることで、型枠内のコンクリートを柱状に遠心成形する
ものである。これによると、型枠を高速回転させること
ができるので、型枠内のコンクリートを十分有効に遠心
成形することが可能である。2. Description of the Related Art Pillar, concrete products such as poles and fume pipes are examples of columnar products formed from a solidifying fluid in a solidification process. Such a columnar product is formed by filling concrete, which is a raw material, into a substantially cylindrical formwork or steel pipe pile (hereinafter simply referred to as a formwork), and by rotating it, is centrifugally formed into a columnar form. A typical device is a belt type centrifugal column machine. Belt-type centrifugal column mills support a formwork with a flexible endless belt and run the belt to give rotation to the formwork, thereby centrifugally forming the concrete in the form into columns. It is. According to this, since the mold can be rotated at a high speed, the concrete in the mold can be centrifugally formed sufficiently effectively.
【０００３】柱状製品の真円度を高めたり、装置を安全
運転するために、型枠は、定まった位置で水平な状態で
回転されることが重要である。しかし、型枠は高速で回
転されるので、従来の技術では、回転中に軸方向へ移動
しやすかった。特に、型枠を支持する複数のベルトに速
度差があると、部分的にベルトと型枠との間にスリップ
が生じ、回転振れや軸方向への移動が発生しやすい。こ
のような軸方向への移動を抑止するために、実開昭６２
−３７０５号公報では、型枠の軸方向移動を矯正するロ
ーラが開示されている。これによると、型枠の一方向的
な移動は抑止されるが、本来は不要な外力がかかってし
まい、型枠の破損や飛び出しにつながる恐れがある。ま
た、特開平５−５７７２２号公報では、太鼓形状に膨出
成形した型枠とベルトプーリが開示されている。これに
よると、型枠の軸方向への移動は、強制的に抑止され
る。しかしながら、柱状製品の各サイズに応じて、多様
なサイズの設備を新設しなければならず、また、型枠の
加工が複雑になるので、加工精度を高くするために経費
が嵩む問題があった。更に、依然として各ベルトの速度
差は修正できないので、ベルトと型枠との間のスリップ
は避け難かった。[0003] In order to increase the roundness of the columnar product and to safely operate the apparatus, it is important that the formwork is rotated at a fixed position in a horizontal state. However, since the mold is rotated at a high speed, in the conventional technique, it is easy to move in the axial direction during the rotation. In particular, if there is a speed difference between a plurality of belts that support the mold, slip occurs partially between the belt and the mold, and rotational deflection and movement in the axial direction are likely to occur. In order to suppress such movement in the axial direction, the actual
Japanese Patent No. 3705 discloses a roller for correcting the axial movement of a mold. According to this, one-way movement of the formwork is suppressed, but an unnecessary external force is originally applied, which may lead to breakage or protrusion of the formwork. Japanese Patent Application Laid-Open No. Hei 5-57722 discloses a drum frame and a belt pulley which are bulged into a drum shape. According to this, the axial movement of the formwork is forcibly suppressed. However, according to each size of the columnar product, it is necessary to newly install equipment of various sizes, and processing of the mold is complicated, so that there is a problem that costs are increased in order to increase processing accuracy. . Furthermore, slippage between the belt and the formwork was unavoidable because the speed difference between the belts could not yet be corrected.
【０００４】[0004]
【発明が解決しようとする課題】そこで、本発明は、真
円度の高い柱状製品を安全に成形する制御方法、及び、
その成形方法を実施する装置を提供することを目的とす
る。SUMMARY OF THE INVENTION Accordingly, the present invention provides a control method for safely forming a columnar product having a high roundness, and
An object of the present invention is to provide an apparatus for performing the molding method.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の柱状製品の成形方法は、次の構成を備え
る。すなわち、固化過程にある固化性流体が内部に充填
された略円筒形の型枠或いは鋼管杭体を、可撓性を有す
るベルト状部材で支持し、そのベルト状部材を走行させ
て型枠或いは鋼管杭体に回転を与えることで、型枠或い
は鋼管杭体内の固化性流体を柱状に遠心成形する方法に
おいて、複数のベルト状部材を用いて型枠或いは鋼管杭
体の複数箇所を支持し、その各ベルト状部材の速度を測
定し、その各速度を型枠或いは鋼管杭体が回転中に軸方
向へ移動しない値に調整する。この成形方法を実施する
本発明の柱状製品の成形装置は、固化過程にある固化性
流体が内部に充填された略円筒形の型枠或いは鋼管杭体
を、可撓性を有するベルト状部材で支持し、そのベルト
状部材を走行させて型枠或いは鋼管杭体に回転を与える
ことで、型枠或いは鋼管杭体内の固化性流体を柱状に遠
心成形する装置において、型枠或いは鋼管杭体の複数箇
所を支持する複数のベルト状部材と、その各ベルト状部
材の速度を測定する速度測定手段と、型枠或いは鋼管杭
体が回転中に軸方向へ移動しないように各ベルト状部材
の速度を調整する速度調整手段とを備えたものである。In order to achieve the above object, a method of forming a columnar product according to the present invention comprises the following arrangement. That is, a substantially cylindrical formwork or a steel pipe pile body filled with a solidifying fluid in the solidification process is supported by a flexible belt-like member, and the belt-like member is run to form the formwork or By giving a rotation to the steel pipe pile, in a method of centrifugally forming the solidifying fluid in the form or the steel pipe pile into a column shape, using a plurality of belt-shaped members to support a plurality of locations of the form or the steel pipe pile, The speed of each belt-like member is measured, and each speed is adjusted to a value that does not move in the axial direction during rotation of the formwork or the steel pipe pile. The apparatus for forming a columnar product according to the present invention, which implements this forming method, comprises a substantially cylindrical formwork or steel pipe pile filled with a solidifying fluid in a solidification process, and a flexible belt-shaped member. In the apparatus for centrifugally forming the solidifying fluid in the formwork or steel pipe pile into a column by supporting and rotating the belt-shaped member to run the formwork or steel pipe pile, A plurality of belt-like members supporting a plurality of locations, speed measuring means for measuring the speed of each belt-like member, and the speed of each belt-like member so that the formwork or the steel pipe pile does not move in the axial direction during rotation. And speed adjusting means for adjusting the speed.
【０００６】[0006]
【発明の実施の形態】以下、本発明の実施形態を、図面
に示す実施例を基に説明する。図１及び２は、本発明に
よる柱状製品の成形装置の要部を示す平面図及び側面断
面図である。製品の材料となるコンクリートは、略円筒
形の鋼管から成る型枠（１）の内部に充填されて、本発
明の装置に設置される。充填時のコンクリートは流動性
を有するが、既に固化過程にあって、本発明装置で遠心
成形により最終製品形状となり、ハンドリングが可能な
強度に達するものである。最終強度には、予備養生及び
本養生を経て、或いは一定時間の自然養生を経て達す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on examples shown in the drawings. 1 and 2 are a plan view and a side sectional view showing a main part of a columnar product forming apparatus according to the present invention. Concrete, which is a material of the product, is filled in a mold (1) made of a substantially cylindrical steel pipe and installed in the apparatus of the present invention. Although the concrete at the time of filling has fluidity, it is already in the process of solidification, and becomes the final product shape by centrifugal molding with the apparatus of the present invention, and reaches a strength that can be handled. Final strength is reached through pre-curing and full curing, or natural curing for a period of time.
【０００７】型枠（１）は、環状のエンドレスベルトな
ど、可撓性を有する複数のベルト状部材（２０）（２
０）……の上に載せられて支持される。そのベルト状部
材（２０）を、次のような手段によって走行させること
で、型枠（１）に回転を与えて、その内部のコンクリー
トを柱状に遠心成形する。The mold (1) is composed of a plurality of flexible belt-like members (20) (2) such as an annular endless belt.
0) ...... is placed on top of and supported. By moving the belt-shaped member (20) by the following means, the mold (1) is rotated, and the concrete inside thereof is centrifugally formed into a column shape.
【０００８】原動機（１０）からの駆動力は、略水平に
設置された長い伝動軸（１１）に伝えられる。そして、
伝動軸（１１）の軸方向に沿って複数並設されたギヤボ
ックス（２２）を介して、駆動軸（２３）へ導かれる。
ギヤボックス（２２）は、架台（２１）の一端に固定さ
れ、他端には、従動軸（２５）を軸支する支持部材（２
７）が設けられている。ベルト状部材（２０）は、駆動
軸（２３）に嵌着された駆動プーリ（２４）と、従動軸
（２５）に嵌着された従動プーリ（２６）との間に架設
される。支持部材（２７）をスライドさせて、架台（２
１）の上における従動軸（２５）の位置を調整すること
で、駆動軸（２３）と従動軸（２５）との間の距離や、
ベルト状部材（２０）の張力が調整される。The driving force from the prime mover (10) is transmitted to a long transmission shaft (11) installed substantially horizontally. And
The drive shaft (23) is guided to the drive shaft (23) via a plurality of gear boxes (22) arranged in parallel along the axial direction of the transmission shaft (11).
The gear box (22) is fixed to one end of the gantry (21), and has a support member (2) that supports the driven shaft (25) at the other end.
7) is provided. The belt-shaped member (20) is bridged between a drive pulley (24) fitted to the drive shaft (23) and a driven pulley (26) fitted to the driven shaft (25). Slide the support member (27) to mount the frame (2
By adjusting the position of the driven shaft (25) on 1), the distance between the drive shaft (23) and the driven shaft (25),
The tension of the belt-shaped member (20) is adjusted.
【０００９】一般に、型枠（１）は、ベルト状部材（２
０）との間のスリップ等により、回転振れや軸方向へ移
動しやすいが、次のような速度調整手段によって、常に
定まった位置に支持される。型枠（１）は、複数のベル
ト状部材（２０）（２０）……によって、複数箇所を支
持されている。そして、ギヤボックス（２２）の内部の
ギヤ等に付設された速度測定手段によって、各ベルト状
部材（２０）（２０）……の速度が逐次測定される。型
枠（１）が軸方向へ移動していって、所定の移動量を超
えると、その端部に対応する位置などに配設される光電
センサー等の位置検知手段（２８）によって、その軸方
向への移動が検知される。すると、速度調整手段によっ
て、位置検知手段（２８）で得た軸方向への移動と、各
速度測定手段で得た各ベルト状部材（２０）（２０）…
…の速度を基にして、いずれか少なくとも１基のベルト
状部材（２０）の速度が加減される。そして、型枠
（１）が所望の定まった位置に落ち着くまで、必要に応
じて複数回の変速が行われる。一般に、型枠（１）の外
径は、全長において０．５％程度の寸法差があるので、
全てのベルト状部材（２０）（２０）……の速度を同一
にしても、その寸法差に起因して軸方向への移動は避け
がたい。しかし、本発明によると、速度調整手段によっ
て、各ベルト状部材（２０）（２０）……の速度を必要
に応じて逐次調整できるので、品質の芳しくない型枠
（１）にも対応できる。Generally, the mold (1) is provided with a belt-like member (2).
0), it is easy to move in the rotational direction or move in the axial direction due to the slip, etc., but it is always supported at a fixed position by the following speed adjusting means. The mold (1) is supported at a plurality of locations by a plurality of belt-shaped members (20) (20). Then, the speed of each belt-like member (20) (20)... Is sequentially measured by speed measuring means attached to a gear or the like inside the gear box (22). When the mold (1) moves in the axial direction and exceeds a predetermined amount of movement, the axis is detected by position detecting means (28) such as a photoelectric sensor disposed at a position corresponding to an end of the mold (1). Movement in the direction is detected. Then, the movement in the axial direction obtained by the position detecting means (28) and the belt-like members (20) (20) obtained by the respective speed measuring means are performed by the speed adjusting means.
The speed of at least one of the belt-like members (20) is adjusted based on the speed of. Then, a plurality of shifts are performed as necessary until the mold (1) is settled at a desired fixed position. Generally, the outer diameter of the formwork (1) has a dimensional difference of about 0.5% in the entire length.
Even if the speeds of all the belt-shaped members (20) (20) are the same, the movement in the axial direction is inevitable due to the dimensional difference. However, according to the present invention, the speed of each of the belt-shaped members (20) (20)... Can be sequentially adjusted as necessary by the speed adjusting means, so that it is possible to cope with a mold (1) of poor quality.
【００１０】速度調整手段に、いずれかのベルト状部材
（２０）の速度、または、いずれか２基のベルト状部材
（２０）（２０）の速度差が、所定の運転可能域から外
れた時には、ベルト状部材（２０）の走行駆動を停止す
る機能をもたせて、安全性の向上に寄与させてもよい。
なお、図示の端部押さえローラー（２９）は、ベルト状
部材（２０）の上を、型枠（１）の軸方向に移動してい
った型枠（１）の移動を停止させる安全装置であって、
その詳細は実開昭６２−１６８４７号公報等に開示され
ている。When the speed of any one of the belt-like members (20) or the speed difference between any two of the belt-like members (20) (20) deviates from a predetermined operable range, the speed adjusting means may determine whether the speed is different. Alternatively, a function of stopping the traveling drive of the belt-shaped member (20) may be provided to contribute to improvement of safety.
The illustrated end pressing roller (29) is a safety device that stops the movement of the mold (1) moving on the belt-shaped member (20) in the axial direction of the mold (1). So,
The details are disclosed in Japanese Utility Model Laid-Open No. Sho 62-16847.
【００１１】図３及び４は、別実施例の成形装置の要部
を示す平面概念図及び側面断面図である。この例では、
駆動プーリ（２４）と従動プーリ（２６）との間に、補
助プーリ（３０）が付設されると共に、型枠（１）は、
２基のベルト状部材（２０Ａ）（２０Ｂ）で支持されて
いる。図示の状況では、型枠（１）は、優勢なベルト状
部材（２０Ｂ）による摩擦に引きずられて、図面におけ
る右下方向かつ右側へ移動し、型枠（１）に傾き（θ）
が発生している。そして、その軸方向への移動が、ベル
ト状部材（２０Ｂ）側の位置検知手段（２８）によって
検知されている。このとき、速度調整手段によって、ベ
ルト状部材（２０Ａ）の速度が、例えば瞬間的に０．５
％等加速されるか、ベルト状部材（２０Ｂ）の速度が、
例えば瞬間的に０．５％等減速される。すると、型枠
（１）は、相対的に優勢なベルト状部材（２０Ａ）によ
る摩擦に引きずられて、図面における左下方向へ移動す
ることで、型枠（１）の傾き（θ）が減少或いは逆転
し、その位置が修正される。FIGS. 3 and 4 are a conceptual plan view and a side sectional view showing a main part of a molding apparatus according to another embodiment. In this example,
An auxiliary pulley (30) is provided between the driving pulley (24) and the driven pulley (26), and the mold (1) is
It is supported by two belt-like members (20A) (20B). In the illustrated situation, the form (1) is dragged by the friction of the dominant belt-shaped member (20B), moves to the lower right and right in the drawing, and tilts (θ) to the form (1).
Is occurring. The movement in the axial direction is detected by the position detecting means (28) on the side of the belt-shaped member (20B). At this time, the speed of the belt-shaped member (20A) is instantaneously set to 0.5 by the speed adjusting means.
% Or the speed of the belt-shaped member (20B) is
For example, the speed is instantaneously reduced by 0.5%. Then, the mold (1) is dragged by the friction of the relatively dominant belt-shaped member (20A) and moves to the lower left in the drawing, whereby the inclination (θ) of the mold (1) decreases or It reverses and its position is corrected.
【００１２】[0012]
【発明の効果】以上のように、本発明によると、次の効
果を奏する。請求項１に記載の成形方法または請求項２
に記載の成形装置によると、型枠或いは鋼管杭体の複数
箇所を支持する各ベルト状部材の速度を測定し、その各
速度を型枠或いは鋼管杭体が回転中に軸方向へ移動しな
い値に調整するので、型枠或いは鋼管杭体を所望の定ま
った位置に支持できる。そのため、型枠或いは鋼管杭体
の軸方向への移動が抑えられ、真円度の高い柱状製品を
安全に成形することができる。As described above, according to the present invention, the following effects can be obtained. The molding method according to claim 1 or claim 2.
According to the forming device described in the above, the speed of each belt-shaped member supporting a plurality of points of the formwork or the steel pipe pile body is measured, and each speed is a value that does not move in the axial direction while the formwork or the steel pipe pile body is rotating. Therefore, the formwork or the steel pipe pile can be supported at a desired fixed position. Therefore, the axial movement of the formwork or the steel pipe pile body is suppressed, and a columnar product with high roundness can be formed safely.
【図１】本発明による柱状製品の成形装置の要部を示す
平面図FIG. 1 is a plan view showing a main part of a columnar product forming apparatus according to the present invention.
【図２】同、側面断面図FIG. 2 is a side sectional view of the same.
【図３】別実施例の成形装置の要部を示す平面概念図FIG. 3 is a conceptual plan view showing a main part of a molding apparatus according to another embodiment.
【図４】同、側面断面図FIG. 4 is a side sectional view of the same.
１ 型枠 １０ 原動機 １１ 伝動軸 ２０，２０Ａ、２０Ｂ ベルト状部材 ２１ 架台 ２２ ギヤボックス ２３ 駆動軸 ２４ 駆動プーリ ２５ 従動軸 ２６ 従動プーリ ２７ 支持部材 ２８ 位置検知手段 ２９ 端部押さえローラー ３０ 補助プーリ Reference Signs List 1 formwork 10 prime mover 11 transmission shaft 20, 20A, 20B belt-shaped member 21 gantry 22 gear box 23 drive shaft 24 drive pulley 25 driven shaft 26 driven pulley 27 support member 28 position detection means 29 end pressing roller 30 auxiliary pulley
フロントページの続き (72)発明者 藤原 正 茨城県猿島郡境町大字染谷106 旭化成株 式会社内 (72)発明者 長谷山 国広 茨城県下館市玉戸997−15 (72)発明者 井口 武士 茨城県下館市玉戸1336−224 Ｆターム(参考） 4G058 AA01 AC00 AD06 BA01 Continued on the front page (72) Inventor Tadashi Fujiwara 106, Someya, Sakai-machi, Sarushima-gun, Ibaraki Prefecture Asahi Kasei Co., Ltd. 1336-224 Ichitamado F-term (reference) 4G058 AA01 AC00 AD06 BA01
Claims (2)
れた略円筒形の型枠或いは鋼管杭体を、可撓性を有する
ベルト状部材で支持し、そのベルト状部材を走行させて
型枠或いは鋼管杭体に回転を与えることで、型枠或いは
鋼管杭体内の固化性流体を柱状に遠心成形する方法にお
いて、 複数のベルト状部材を用いて型枠或いは鋼管杭体の複数
箇所を支持し、その各ベルト状部材の速度を測定し、そ
の各速度を型枠或いは鋼管杭体が回転中に軸方向へ移動
しない値に調整することを特徴とする柱状製品の成形方
法。A substantially cylindrical form or steel pipe pile filled with a solidifying fluid in a solidifying process is supported by a flexible belt-shaped member, and the belt-shaped member is run. In the method of centrifugally forming the solidifying fluid in the formwork or steel pipe pile into a column by giving rotation to the formwork or steel pipe pile, a plurality of locations of the formwork or steel pipe pile are formed using a plurality of belt-like members. A method for forming a columnar product, comprising: supporting and measuring the speed of each belt-shaped member; and adjusting each speed to a value that does not move in the axial direction during rotation of the formwork or the steel pipe pile.
れた略円筒形の型枠或いは鋼管杭体を、可撓性を有する
ベルト状部材で支持し、そのベルト状部材を走行させて
型枠或いは鋼管杭体に回転を与えることで、型枠或いは
鋼管杭体内の固化性流体を柱状に遠心成形する装置にお
いて、 型枠或いは鋼管杭体の複数箇所を支持する複数のベルト
状部材と、その各ベルト状部材の速度を測定する速度測
定手段と、型枠或いは鋼管杭体が回転中に軸方向へ移動
しないように各ベルト状部材の速度を調整する速度調整
手段とを設けたことを特徴とする柱状製品の成形装置。2. A substantially cylindrical formwork or a steel pipe pile filled with a solidifying fluid in a solidification process is supported by a flexible belt-like member, and the belt-like member is run. In a device for centrifugally forming a solidifying fluid in a formwork or a steel pipe pile by column rotation by giving a rotation to a formwork or a steel pipe pile, a plurality of belt-like members supporting a plurality of locations of the formwork or the steel pipe pile are provided. Speed measuring means for measuring the speed of each belt-shaped member, and speed adjusting means for adjusting the speed of each belt-shaped member so that the formwork or the steel pipe pile does not move in the axial direction during rotation. An apparatus for forming columnar products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001041131A JP2002240026A (en) | 2001-02-19 | 2001-02-19 | Method and device for molding columned product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001041131A JP2002240026A (en) | 2001-02-19 | 2001-02-19 | Method and device for molding columned product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002240026A true JP2002240026A (en) | 2002-08-28 |
Family
ID=18903613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001041131A Pending JP2002240026A (en) | 2001-02-19 | 2001-02-19 | Method and device for molding columned product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002240026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116604696A (en) * | 2023-05-22 | 2023-08-18 | 江苏诚意桩业科技发展有限公司 | Tubular pile centrifuge |
-
2001
- 2001-02-19 JP JP2001041131A patent/JP2002240026A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116604696A (en) * | 2023-05-22 | 2023-08-18 | 江苏诚意桩业科技发展有限公司 | Tubular pile centrifuge |
| CN116604696B (en) * | 2023-05-22 | 2023-12-08 | 江苏诚意桩业科技发展有限公司 | Tubular pile centrifuge |
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