JPS644957Y2 - - Google Patents
Info
- Publication number
- JPS644957Y2 JPS644957Y2 JP4321584U JP4321584U JPS644957Y2 JP S644957 Y2 JPS644957 Y2 JP S644957Y2 JP 4321584 U JP4321584 U JP 4321584U JP 4321584 U JP4321584 U JP 4321584U JP S644957 Y2 JPS644957 Y2 JP S644957Y2
- Authority
- JP
- Japan
- Prior art keywords
- friction plate
- low
- guide member
- wedge
- recessed
- 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
Links
- 239000011435 rock Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
この考案はガイド部材とくさびの摺接部に設け
た低摩擦板の取付け構造を改善した岩盤破砕装置
に関する。[Detailed Description of the Invention] Industrial Application Field This invention relates to a rock crushing device that has an improved mounting structure for a low-friction plate provided at the sliding contact portion of a guide member and a wedge.
従来技術
従来くさびを利用して岩盤を破砕する岩盤破砕
装置として、第１図に示すものが公知である。BACKGROUND ART Conventionally, as a rock crushing device for crushing rock using a wedge, the one shown in FIG. 1 is known.
上記岩盤破砕装置は、岩盤ａに穿設した孔ｂに
２分割されたガイド部材ｃを挿入し、これらガイ
ド部材ｃ間に油圧シリンダｄによりくさびｅを圧
入して各ガイド部材ｃを拡開することにより岩盤
を破砕するようにしたもので、くさびｅとガイド
部材ｃが摺接する部分には低摩擦板ｆが設けられ
て、くさびｅとガイド部材ｃの摩擦を低減してい
る。また上記低摩擦板ｆは第２図に示すようにガ
イド部材ｃの互に対向する面に形成された凹溝ｇ
の底部に取付けられていると共に、凹溝ｇの底面
と低摩擦板ｆの互に接する部分には凹溝ｇと直交
する方向に複数条のピン孔ｈ，ｉを形成して、こ
れらピン孔ｈ，ｉに挿入したピンｊにより、くさ
びｅとの摩擦力により低摩擦板ｆに加わるスラス
ト力をせん断力により支持していた。しかしこの
ような構造の低摩擦板固定法では、低摩擦板ｆが
破断したり、へたつたりすることがある。 The above-mentioned rock crushing device inserts a guide member c divided into two into a hole b drilled in a rock a, and press-fits a wedge e between these guide members c with a hydraulic cylinder d to expand each guide member c. A low friction plate f is provided at the portion where the wedge e and the guide member c slide to reduce the friction between the wedge e and the guide member c. The low friction plate f is formed by grooves g formed on mutually opposing surfaces of the guide member c, as shown in FIG.
At the same time, a plurality of pin holes h and i are formed in a direction perpendicular to the groove g in the part where the bottom surface of the groove g and the low friction plate f are in contact with each other. The thrust force applied to the low friction plate f due to the frictional force with the wedge e was supported by the shear force by the pin j inserted in h and i. However, in this method of fixing a low-friction plate with such a structure, the low-friction plate f may break or become flattened.
つまり、第３図に示すようにくさびｅの摺動面
e1と低摩擦板ｆの間の摩擦係数μ1がかじり等によ
り大きくなつてガイド部材ｃと低摩擦板ｆの間の
摩擦係数μ2を越えると、低摩擦板ｆにくさびｅに
よつて部分的にスラスト力が加えられて破断す
る。 In other words, as shown in Figure 3, the sliding surface of wedge e
When the friction coefficient μ 1 between e 1 and the low-friction plate f increases due to galling and exceeds the friction coefficient μ 2 between the guide member c and the low-friction plate f, a wedge e is applied to the low-friction plate f. Thrust force is applied to the part and it breaks.
これを防止するために第２図に示すようにガイ
ド部材ｃと低摩擦板ｆとの間にピンｊを嵌合し、
このピンｊでスラスト力を支承しているのが、ピ
ンｊでは十分にスラスト力を支持できないので前
述の低摩擦板ｆの破断を確実に防止できないと共
に、低摩擦板ｆとガイド部材ｃとにピンｊが嵌合
する半円形の凹部を形成せねばならずその加工が
非常に面倒である。 To prevent this, a pin j is fitted between the guide member c and the low friction plate f as shown in FIG.
The thrust force is supported by this pin j, but since the pin j cannot sufficiently support the thrust force, it is not possible to reliably prevent the aforementioned low friction plate f from breaking, and the low friction plate f and the guide member c are It is necessary to form a semicircular recess into which the pin j fits, and the machining thereof is very troublesome.
考案の目的
低摩擦板の破断を防止できると共に、加工が容
易で、しかも低摩擦板を位置決めして簡単に取付
けできるようにすることを目的とする。Purpose of the invention It is an object of the present invention to provide a low-friction plate that can prevent breakage, is easy to process, and can be easily positioned and mounted.
考案の構成
ガイド部材の凹溝底面に複数の凹孔を長手方向
に間隔を置いて形成し、この凹溝に取付けられる
低摩擦板に、前記凹孔に密嵌する突起を一体形成
すると共に、その突起を凹孔に密嵌することで低
摩擦板を凹溝に取付けたもの。Structure of the invention A plurality of recessed holes are formed at intervals in the longitudinal direction on the bottom surface of the recessed groove of the guide member, and a protrusion that fits tightly into the recessed hole is integrally formed on a low friction plate attached to the recessed groove, and A low-friction plate is attached to a groove by tightly fitting the protrusion into the groove.
実施例
第４図において１は岩盤破砕装置の本体で、２
分割されたガイド部材２と、これらガイド部材２
間に上下摺動自在に設けられたくさび３及び上記
くさび３を板ばね４を介してガイド部材２間に圧
入する油圧シリンダ５とよりなる。上記ガイド部
材２は断面ほぼ半円状をなしていて、先端側へ順
次小径となつていると共に、互に対向する面にく
さび３が挿入される凹溝２ａが長手方向に沿い、
かつ全長に亘つて形成されている。上記凹溝２ａ
はガイド部材２の先端にゆくに従い順次浅くなつ
ていると共に、くさび３と摺接する底面２ｂ及び
両側面２ｃには多数の低摩擦板６が固着されてい
る。上記低摩擦板６が取付けられる凹溝２ａの底
面２ｂには多数の凹孔２ｄが長手方向に間隔を置
いて前記各低摩擦板６と対向して穿設され、各低
摩擦板６には前記凹孔２ｄに密嵌する突起６ａが
一体形成してあり、この突起６ａを凹孔２ｄに密
嵌することで低摩擦板６の凹溝２ａに取付けてあ
る。Example In Fig. 4, 1 is the main body of the rock crushing device, and 2
Divided guide members 2 and these guide members 2
It consists of a wedge 3 that is vertically slidably provided therebetween, and a hydraulic cylinder 5 that presses the wedge 3 into the guide member 2 through a leaf spring 4. The guide member 2 has a substantially semicircular cross section, and the diameter gradually decreases toward the distal end, and grooves 2a into which the wedges 3 are inserted run along the longitudinal direction on opposing surfaces.
and is formed over the entire length. The above groove 2a
is gradually shallower toward the tip of the guide member 2, and a large number of low-friction plates 6 are fixed to the bottom surface 2b and both side surfaces 2c that come into sliding contact with the wedge 3. A large number of recessed holes 2d are bored in the bottom surface 2b of the recessed groove 2a to which the low-friction plates 6 are attached, facing each of the low-friction plates 6 at intervals in the longitudinal direction. A protrusion 6a that fits tightly into the recessed hole 2d is integrally formed, and is attached to the recessed groove 2a of the low friction plate 6 by tightly fitting the protrusion 6a into the recessed hole 2d.
このようであるから、低摩擦板６は突起６ａと
凹孔２ｄとによつて位置決めして取付けできると
共に、くさび３を圧入する際に低摩擦板６が凹溝
２ａに沿つて長手方向にずれたりすることがな
く、しかもくさび３の圧力によつて突起６ａと凹
孔２ｄとがより強固に密嵌するので、以後くさび
３との摩擦により低摩擦板６に作用するスラスト
方向の力は突起６ａがせん断力として支持するよ
うになる。 Because of this, the low-friction plate 6 can be mounted while being positioned by the protrusion 6a and the recessed hole 2d, and the low-friction plate 6 is not displaced in the longitudinal direction along the recessed groove 2a when the wedge 3 is press-fitted. Moreover, the pressure of the wedge 3 causes the protrusion 6a and the recessed hole 2d to fit together more tightly, so that the force in the thrust direction acting on the low-friction plate 6 due to friction with the wedge 3 will be absorbed by the protrusion. 6a comes to support as shear force.
また、実施例においては前記各凹孔２ｄの周辺
部には多数の小径な凹孔２ｅが穿設されている。
これら小径の凹孔２ｅは上記低摩擦板６を突起６
ａにより位置決めして凹溝２ａの底面に取付けた
後、くさび３を圧入することにより、低摩擦板６
の一部をこれら凹孔２ｅ内に食込ませて低摩擦板
６を凹溝２ａの底面２ｂに固定するためのもの
で、以後くさび３との摩擦により低摩擦板６に作
用するスラスト方向の力は、凹孔２ｅに食込んだ
多数の突起６ｂがせん断力として支持するように
なる。 Further, in the embodiment, a large number of small-diameter recesses 2e are bored in the periphery of each of the recesses 2d.
These small-diameter concave holes 2e are formed by connecting the low friction plate 6 to the protrusion 6.
After positioning with a and attaching it to the bottom of the groove 2a, the wedge 3 is press-fitted, and the low-friction plate 6 is
This is for fixing the low-friction plate 6 to the bottom surface 2b of the groove 2a by biting into these recessed holes 2e, and the thrust direction acting on the low-friction plate 6 due to friction with the wedge 3 is then The force is supported as shearing force by the numerous protrusions 6b that have bitten into the recessed holes 2e.
前記低摩擦板６は第７図ａ，ｂ，ｃに示すよう
に、板厚が小さく矩形板状となり、拘束力、摩擦
係数を大きくしてある。 As shown in FIGS. 7a, b, and c, the low-friction plate 6 has a small plate thickness and a rectangular plate shape, and has a large restraining force and a large coefficient of friction.
考案の効果
低摩擦板６は突起６ａと凹孔２ｄとによつて位
置決めして取付けできると共に、くさび３を圧入
する際に低摩擦板６が凹溝２ａに沿つて長手方向
にずれたりすることがなく、低摩擦板６を簡単に
位置決めして取付けできる。Effects of the invention: The low-friction plate 6 can be positioned and mounted using the protrusion 6a and the recessed hole 2d, and the low-friction plate 6 is prevented from shifting in the longitudinal direction along the recessed groove 2a when the wedge 3 is press-fitted. Therefore, the low friction plate 6 can be easily positioned and attached.
また、低摩擦板６を取付け後にくさび３の圧力
によつて突起６ａと凹孔２ｄとがより強固に密嵌
するので、以後くさび３との摩擦により低摩擦板
６に作用するスラスト方向の力は突起６ａがせん
断力として支持するようになるから、低摩擦板６
の破断を防止できる。 Furthermore, after the low-friction plate 6 is attached, the protrusion 6a and the recessed hole 2d are more tightly fitted together by the pressure of the wedge 3, so that a force in the thrust direction is subsequently applied to the low-friction plate 6 due to the friction with the wedge 3. Since the protrusion 6a supports the shear force, the low friction plate 6
can prevent breakage.
また、ガイド部材２の凹溝２ａと凹孔２ｄを形
成すると共に、低摩擦板６に突起６ａを一体形成
すれば良く、加工が容易となる。 In addition, it is sufficient to form the grooves 2a and holes 2d of the guide member 2 and integrally form the protrusions 6a on the low friction plate 6, which facilitates processing.
第１図は従来の岩盤破砕装置の説明図、第２図
は同低摩擦板取付け部の拡大断面図、第３図は不
具合説明図、第４図はこの考案の一実施例になる
岩盤破砕装置の構成図、第５図はガイド部材の平
面図、第６図は同断面図、第７図ａ，ｂ，ｃは低
摩擦板の側面図、正面図、底面図、第８図は第５
図−線に沿う断面図、第９図は第５図−
線に沿う断面図である。
２はガイド部材、２ａは凹溝、２ｄは凹孔、３
はくさび、６は低摩擦板、６ａは突起。
Fig. 1 is an explanatory diagram of a conventional rock crushing device, Fig. 2 is an enlarged sectional view of the low friction plate attachment part, Fig. 3 is an explanatory diagram of defects, and Fig. 4 is a rock crushing device that is an example of this device. A configuration diagram of the device, FIG. 5 is a plan view of the guide member, FIG. 6 is a sectional view thereof, FIGS. 7 a, b, and c are side views, front views, and bottom views of the low-friction plate, and FIG. 5
Figure - Sectional view along the line, Figure 9 is Figure 5 -
It is a sectional view along a line. 2 is a guide member, 2a is a groove, 2d is a groove, 3
6 is a wedge, 6 is a low friction plate, and 6a is a protrusion.
Claims (1)
を挿入し、かつこれらガイド部材２間に油圧シリ
ンダ５によりくさび３を圧入して上記ガイド部材
２を拡開することにより岩盤を破砕するものにお
いて、上記くさび３を挿入するガイド部材の凹溝
２ａ底面に、多数の凹孔２ｄを長手方向に間隔を
置いて形成し、上記凹溝２ａ内に長手方向に間隔
を置いて取付けた各低摩擦板６に、前記凹孔２ｄ
に密嵌する突起６ａを多数一体形成すると共に、
各突起６ａを各凹孔２ｄにそれぞれ密嵌して各低
摩擦板６をガイド部材２の凹溝２ａ内に取付けた
ことを特徴とする岩盤破砕装置。 Guide member 2 divided into two parts by a hole drilled in the bedrock
In a device for crushing rock by inserting a wedge 3 between these guide members 2 with a hydraulic cylinder 5 and expanding the guide member 2, a concave groove 2a of the guide member into which the wedge 3 is inserted. A large number of recessed holes 2d are formed on the bottom surface at intervals in the longitudinal direction, and the recessed holes 2d are formed in each low friction plate 6 attached at intervals in the longitudinal direction in the recessed groove 2a.
In addition to integrally forming a large number of protrusions 6a that fit tightly into the
A rock crushing device characterized in that each protrusion 6a is tightly fitted into each recessed hole 2d, and each low friction plate 6 is installed in a recessed groove 2a of a guide member 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4321584U JPS60159096U (en) | 1984-03-28 | 1984-03-28 | Rock crushing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4321584U JPS60159096U (en) | 1984-03-28 | 1984-03-28 | Rock crushing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60159096U JPS60159096U (en) | 1985-10-23 |
| JPS644957Y2 true JPS644957Y2 (en) | 1989-02-08 |
Family
ID=30554678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4321584U Granted JPS60159096U (en) | 1984-03-28 | 1984-03-28 | Rock crushing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60159096U (en) |
-
1984
- 1984-03-28 JP JP4321584U patent/JPS60159096U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60159096U (en) | 1985-10-23 |
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