JPH0620127Y2 - Automatic setting tester for concrete - Google Patents
Automatic setting tester for concreteInfo
- Publication number
- JPH0620127Y2 JPH0620127Y2 JP1989143710U JP14371089U JPH0620127Y2 JP H0620127 Y2 JPH0620127 Y2 JP H0620127Y2 JP 1989143710 U JP1989143710 U JP 1989143710U JP 14371089 U JP14371089 U JP 14371089U JP H0620127 Y2 JPH0620127 Y2 JP H0620127Y2
- Authority
- JP
- Japan
- Prior art keywords
- load cell
- concrete
- penetration
- shaft
- support body
- 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.)
- Expired - Lifetime
Links
- 230000035515 penetration Effects 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 description 10
- 230000000149 penetrating effect Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は、貫入針をプログラム制御によって自動的に移
動させ乍ら複数個のコンクリートテストピースを順次に
試験する為のコンクリートの自動凝結試験装置に関す
る。[Detailed Description of the Invention] <Industrial Application Field> The present invention is an automatic setting tester for concrete for sequentially testing a plurality of concrete test pieces by automatically moving a penetrating needle under program control. Regarding
〈従来の技術〉 この種従来の試験装置においては加圧装置に接続した加
圧軸とテストピース側作用軸との間にロードセルの作用
線を一致させて介在させ、加圧軸とテストピース側作用
軸とのなす作用線上でロードセルに圧縮荷重を作用させ
てその時の応力歪からテストピースに及ぼす貫入抵抗を
求めようとするのが主流であった。<Prior art> In this kind of conventional test equipment, the action line of the load cell is made to intervene between the pressurizing shaft connected to the pressurizing device and the working shaft on the test piece side, and The mainstream method is to apply a compressive load to the load cell on the line of action with the axis of action and to determine the penetration resistance exerted on the test piece from the stress strain at that time.
〈考案が解決しようとする課題〉 しかし上記従来例においては、ロードセルの両側に接続
した各加圧軸及び作用軸の作用線と、ロードセルの作用
線が正確に一致していることが高精度を得る為に重要で
あるが、しかし実際にはそのような条件を満たすことは
容易でなく又、ロードセルの作用線がこれに接続する加
圧軸と作用軸が総て直列に接続した状態となっているの
でスペースが大きくなり、特に小型化に支障を来すなど
の欠点があった。<Problems to be solved by the invention> However, in the above-mentioned conventional example, it is highly accurate that the action lines of the pressure axis and the action axis connected to both sides of the load cell and the action line of the load cell are exactly the same. However, it is not easy to satisfy such a condition in practice, and the pressure axis and the action axis connected to the load cell action line are all connected in series. However, there is a drawback in that the space becomes large and it hinders miniaturization.
そこで本考案は上記従来例の欠点に対処し、小型化に適
し且つ組立時の作業性が良好な試験装置を提供するもの
である。Therefore, the present invention addresses the drawbacks of the above conventional example, and provides a test apparatus suitable for downsizing and having good workability during assembly.
〈課題を解決するための手段〉 駆動軸と連動し、上昇及び下降するようにした昇降軸の
下端と、該昇降軸上に摺動自由に嵌合した支持体との跨
がってロードセルの水平両端部を夫々に設置し、荷重が
作用した時のその値の大小に応じてロードセルが屈撓
し、これより歪荷重を求めるようにしている。<Means for Solving the Problem> The load cell is straddled between the lower end of the elevating shaft, which is interlocked with the drive shaft, and can be moved up and down, and the support body slidably fitted on the elevating shaft. The horizontal both ends are installed respectively, and the load cell bends according to the magnitude of the value when the load acts, and the strain load is obtained from this.
〈作用〉 昇降軸と、これに摺動自由に嵌合した支持体との間でロ
ードセルが載架荷重によって曲げられ、その時の曲げの
大小によってテストピースに作用する嵌入抵抗の大小を
測定するように動作する。<Operation> The load cell is bent between the lifting shaft and the support body that is slidably fitted to the lifting shaft, and the load resistance acting on the test piece is measured according to the bending size at that time. To work.
〈実施例〉 以下、本考案について図面に示す実施例により詳細に説
明すると、先ず第１図乃至第３図及び第４図に示すよう
に、機枠１の下枠２の定位置に、同一試料を型枠内に採
取収容した複数個のサンプルa,a…を静置し、該機枠１
の上枠３には該サンプルの配置方向に沿って設置した一
対のガイド4,4と、該ガイド4,4によって案内せしめられ
る走行枠５上にＸ・Ｙ架台６を支承せしめ、該Ｘ・Ｙ架
台には以下に述べる本考案要部である貫入機構Ａが下向
突設されている。<Embodiment> Hereinafter, the present invention will be described in detail with reference to an embodiment shown in the drawings. First, as shown in FIG. 1 to FIG. 3 and FIG. A plurality of samples a, a ...
On the upper frame 3, a pair of guides 4 and 4 installed along the arrangement direction of the sample, and an XY frame 6 supported on a traveling frame 5 guided by the guides 4 and 4, are provided. A penetration mechanism A, which is a main part of the present invention described below, is provided on the Y mount so as to project downward.
即ち、貫入機構Ａは前記Ｘ・Ｙ架台６の下面にはカップ
リング10、電磁ブレーキ等を介して該架台６の上面に定
置した電動機７の出力軸８と連動する中継軸９を、ケー
シング11によって回動自由に枢設すると共に、該ケーシ
ング11の下位にはケーシング15を連設してその内部に前
記中継軸９の下部に接続したスクリューシャフト12と螺
合する螺体13を上端に取着した昇降筒軸14を垂下せしめ
ると共に、該昇降筒軸14の外側にはボールスプライン溝
を設けていて前記ケーシング15の内側に嵌着したボール
スプライン161によって該昇降筒軸14をケーシング15に
より円滑に昇降誘導するように保持している。That is, the penetrating mechanism A has a relay shaft 9 interlocking with the output shaft 8 of the electric motor 7 fixed on the upper surface of the XY mount 6 on the lower surface of the XY mount 6 via a coupling 10, an electromagnetic brake, etc. A casing 15 is connected to the lower part of the casing 11 so as to be freely rotatable, and a screw body 13 that is screwed into a screw shaft 12 connected to the lower part of the relay shaft 9 is provided at the upper end inside the casing 15. The elevating cylinder shaft 14 is hung down, and a ball spline groove is provided on the outside of the elevating cylinder shaft 14 so that the elevating cylinder shaft 14 is supported by the casing 15 by a ball spline 16 1 fitted inside the casing 15. It is held so that it can be smoothly guided up and down.
そして、上記昇降筒軸14の略下半部にはボールスプライ
ン162を介してケーシング21（支持体）を上下動可能に
保持しており、該ケーシング21と前記ケーシング15との
間をベローズなどによって掩っている。Then, the substantially lower half of the lifting cylinder shaft 14 holds vertically movable casing 21 (support) through a ball spline 16 2, between the casing 15 and the casing 21 bellows etc. Is covered by.
そして、該ケーシング21の下端に定着した貫入針241の
切換機構23を内蔵するケーシング22の偏位部と、前記昇
降筒軸14下端の取付金具17との間にロードセル18の作用
軸を水平に保ち片方の端部19と他方の端部20とを夫々互
いに片持状に取付け、しかも該ロードセル18の取付部が
動揺しないように固設している。Then, the deviation portion of the casing 22 incorporating a penetration needle 24 1 of the switching mechanism 23 which is fixed to the lower end of the casing 21, the operating shaft of the load cell 18 between the lifting cylinder shaft 14 the lower end of the mounting bracket 17 horizontal , One end 19 and the other end 20 are attached to each other in a cantilevered manner, and the attachment portion of the load cell 18 is fixed so as not to shake.
更に、前記貫入針は第６図に示すように貫入針241、242
が選択的に切換えるられるように設けられている。Further, as shown in FIG. 6, the penetration needles are penetration needles 24 1 and 24 2
Are provided so that they can be selectively switched.
次に上記構成の一連動作について説明すると、操作盤
（図示せず）によって予め定めた処のプログラムにより
サンプルa,a…に対応させて、Ｘ・Ｙ架台６を走行せし
め所定位置において電動機７を駆動することにより、貫
入針241又は242をコンクリートサンプルに貫入し、貫入
量を測定するものである。Next, a series of operations of the above-described configuration will be described. A program predetermined by an operation panel (not shown) is made to correspond to the samples a, a ... By driving, the penetration needle 24 1 or 24 2 penetrates into the concrete sample, and the penetration amount is measured.
即ち、貫入針をコンクリートサンプルに貫入する動作
は、前記電動機７の駆動により、カップリング10を介し
てスクリューシャフト12を回動せしめることにより、こ
れに螺合した螺体13の移動により昇降筒軸14はボールス
プライン161に案内されて第７図のように下降する。That is, the operation of inserting the penetrating needle into the concrete sample is performed by driving the electric motor 7 to rotate the screw shaft 12 through the coupling 10 and moving the screw body 13 screwed into the screw shaft 12 to move the elevating cylinder shaft. 14 is guided by the ball spline 16 1 and descends as shown in FIG.
そして、この昇降筒軸14の下降動作は、取付金具17及び
ロードセル18を介してケーシング22に作用し、これに伴
ってケーシング21も前記昇降筒軸14と共に一体となって
下降し、切換機23に装備せしめた貫入針241の下端がコ
ンクリートのサンプルに当接して貫入抵抗が生じた場合
は、直ちにケーシング22を介してロードセル18に屈撓歪
として作用し、歪量に応じてケーシング21はボールスプ
ライン162を介して昇降筒軸14に対し相対的にずれ動作
を生じ、これを電気的に検出する。Then, the lowering operation of the elevating cylinder shaft 14 acts on the casing 22 via the mounting member 17 and the load cell 18, and accordingly, the casing 21 also descends integrally with the elevating cylinder shaft 14, and the switching device 23 When the lower end of the penetrating needle 24 1 equipped in the contact with the concrete sample and the penetration resistance occurs, it immediately acts as a flexural strain on the load cell 18 via the casing 22, and the casing 21 according to the amount of strain. produce relatively shift operation to the lifting cylinder shaft 14 through a ball spline 16 2, electrically detected.
このようにして貫入針に作用する抵抗の大きさによって
ロードセル18の撓み量が変化し、更にこの撓み量は昇降
筒軸14に対するケーシング21のずれの大きさとなって現
れる。In this way, the amount of bending of the load cell 18 changes depending on the amount of resistance acting on the penetrating needle, and this amount of bending appears as the amount of displacement of the casing 21 with respect to the elevating cylinder shaft 14.
〈考案の効果〉 本考案は上述のようにロードセルを互いに片持状に取付
けているので貫入機構Ａの上下方向の長さを従来の装着
構造に比べて短くコンパクトに構成できる。<Advantages of the Invention> Since the load cells are attached to each other in a cantilever manner as described above, the vertical length of the penetrating mechanism A can be made shorter and more compact than the conventional mounting structure.
又、ロードセルの軸線を昇降筒軸と貫入針との中心線に
符号させる（心出作業）必要がなくなるので組立作業が
著しく容易となるなど本考案特有の効果を奏する、Further, since the axis of the load cell does not need to be aligned with the centerline of the lifting cylinder shaft and the penetrating needle (centering work), the assembly work is significantly facilitated, and the effects peculiar to the present invention are achieved.
第１図乃至第７図は本考案実施例を示し、 第１図は、外観正面図、 第２図は、同上平面図、 第３図は、第１図右側面図、 第４図は、第１図Ｘ−Ｘ断面図、 第５図は、要部縦断面図、 第６図は、同上部分右側面図、 第７図は、第５図の動作状態を示す縦断側面図である。 14…昇降筒軸、18…ロードセル 22…ケーシング、23…切換機構 1 to 7 show an embodiment of the present invention, FIG. 1 is an external front view, FIG. 2 is a plan view of the same as above, FIG. 3 is a right side view of FIG. 1, and FIG. 1 is a sectional view taken along line XX, FIG. 5 is a longitudinal sectional view of an essential part, FIG. 6 is a right side view of the same as above, and FIG. 14 ... Elevating cylinder shaft, 18 ... Load cell 22 ... Casing, 23 ... Switching mechanism
Claims (1)
リートテストピースに貫入させて凝固の進行状態を検出
するようにした試験装置において、駆動装置と連結して
該駆動装置の回動により上昇及び下降するようにした内
部の昇降軸下端に、水平に配置された撓み量を検出する
ロードセルの水平方向の一端部を取付けると共に、該ロ
ードセルの水平方向の他端部を、前記昇降軸上に上下摺
動自由に装着した支持体に直接又は間接的に取付け、該
支持体下端に取付けた貫入針切換機構を取付けてなり、
貫入針に作用する反力を前記昇降軸と支持体とに跨がっ
て介在せしめたロードセルの撓みによって貫入抵抗の大
小を検出するようにしたことを特徴とするコンクリート
の自動凝結試験装置。1. A test apparatus in which a penetration needle is sequentially moved to penetrate a plurality of concrete test pieces to detect the progress of solidification, and the test apparatus is connected to a drive apparatus to rotate the drive apparatus. At the lower end of the lifting shaft inside which is raised and lowered, one end portion of the horizontally arranged load cell for detecting the bending amount is attached, and the other end portion of the load cell in the horizontal direction is mounted on the lifting shaft. Directly or indirectly attached to a support body that is freely slidable up and down, and a penetration needle switching mechanism attached to the lower end of the support body,
An automatic setting test apparatus for concrete, characterized in that a reaction force acting on a penetration needle is detected by the bending of a load cell interposed between the lifting shaft and the support body to detect the penetration resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143710U JPH0620127Y2 (en) | 1989-12-12 | 1989-12-12 | Automatic setting tester for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143710U JPH0620127Y2 (en) | 1989-12-12 | 1989-12-12 | Automatic setting tester for concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0381540U JPH0381540U (en) | 1991-08-20 |
| JPH0620127Y2 true JPH0620127Y2 (en) | 1994-05-25 |
Family
ID=31690467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989143710U Expired - Lifetime JPH0620127Y2 (en) | 1989-12-12 | 1989-12-12 | Automatic setting tester for concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620127Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020003335A (en) * | 2018-06-28 | 2020-01-09 | 株式会社興和 | Needle penetration test device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006204664A (en) * | 2005-01-31 | 2006-08-10 | Shoei Kagaku Kk | Combination mirror |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51114181A (en) * | 1975-03-31 | 1976-10-07 | Matsushita Electric Works Ltd | Device for measuring hardness of plastic material sushita denko k.k. |
| JPS636404A (en) * | 1986-06-27 | 1988-01-12 | Idemitsu Kosan Co Ltd | Method and device for measuring penetration degree and tension degree |
-
1989
- 1989-12-12 JP JP1989143710U patent/JPH0620127Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020003335A (en) * | 2018-06-28 | 2020-01-09 | 株式会社興和 | Needle penetration test device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0381540U (en) | 1991-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |