JPH02266010A - Safety device for snowplow - Google Patents
Safety device for snowplowInfo
- Publication number
- JPH02266010A JPH02266010A JP8860089A JP8860089A JPH02266010A JP H02266010 A JPH02266010 A JP H02266010A JP 8860089 A JP8860089 A JP 8860089A JP 8860089 A JP8860089 A JP 8860089A JP H02266010 A JPH02266010 A JP H02266010A
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- plow
- horizontal shaft
- hole
- rotary member
- 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.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 230000035939 shock Effects 0.000 abstract 3
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 241000219492 Quercus Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
Description
【発明の詳細な説明】
（ａ）産業上の利用分野
本発明は除雪車に装着されるプラウに関するもので、特
に作業中にプラウ下端のカッティングエツジに異常な衝
撃を受Ｃプた場合にカッティングエツジを反転回動させ
る安全装置に関する。Detailed Description of the Invention (a) Industrial Field of Application The present invention relates to a plow attached to a snowplow, and particularly relates to a plow that is used when the cutting edge of the lower end of the plow receives an abnormal impact during operation. This invention relates to a safety device for reversing and rotating an edge.
（ｂ ）従来の技術
従来の除雪用プラウの安全装置は第５図に示すような構
造でおり、カッティングエツジ（０１）に異常な衝撃を
受けた場合にはシャーピン（０２）を切断してカッティ
ングエツジ（０１）か水平軸（０３）を中心に後方回動
じてカッティングエツジ（０１）の破損を防止するよう
にしている。(b) Conventional technology The safety device of the conventional snow removal plow has a structure as shown in Fig. 5, and when the cutting edge (01) receives an abnormal impact, the shear pin (02) is cut off. The cutting edge (01) is rotated backward about the horizontal axis (03) to prevent damage to the cutting edge (01).
（Ｃ）発明が解決しようどする課題
ところが、カッティングエツジの後方回動時にカッティ
ングエツジの先端が円弧上を回動しようとするので、カ
ッティングエツジの先端が路面に当り、路面を傷つ（プ
るばかりかプラウ全体が持ら上がり、除雪車全体に大ぎ
な衝撃が加わるという欠点があった。(C) Problem to be solved by the invention However, when the cutting edge rotates backward, the tip of the cutting edge tries to rotate on an arc, so the tip of the cutting edge hits the road surface, causing damage to the road surface. Not only that, but the entire plow was lifted, which caused a huge impact on the entire snowplow.
そこで、この発明の目的はカッティングエツジが後方回
動するとぎ、路面を傷つけないとともにプラウ全体が持
ら上からないようにすることを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to prevent the cutting edge from damaging the road surface and preventing the entire plow from being lifted when the cutting edge rotates backwards.
（ｄ）課題を解決するための手段
上記目的を解決するためこの発明は、プラウ本体とカッ
ティングエツジとからなる除雪用プラウにおいて、前記
プラウ本体にはプラウ本体下端に水平軸を設け、前記水
平軸にはこの水平軸に貫通される長孔を右する回転体を
回転可能に設け、前記回転体の下りにはカッティングエ
ツジを取イ」け、前記水平軸には前後に貫通した貫通孔
を設け、前記回転体には長孔の上端が前記水平軸に位置
するとき前記貫通孔と同一線上に位置できる連通孔を設
け、前記両孔にはシャーピンを挿着したことを特徴とす
る。(d) Means for Solving the Problems In order to solve the above objects, the present invention provides a snow removal plow consisting of a plow body and a cutting edge, in which the plow body is provided with a horizontal shaft at the lower end of the plow body, and the horizontal axis A rotary body is rotatably provided on the right side of the long hole penetrated by the horizontal shaft, a cutting edge is provided at the bottom of the rotary body, and a through hole is provided in the horizontal shaft that penetrates back and forth. The rotating body is characterized in that a communicating hole is provided in the rotating body so that the upper end of the elongated hole can be positioned on the same line as the through hole when the upper end of the elongated hole is located on the horizontal axis, and shear pins are inserted into both the holes.
（ｅ）作用
除雪作業中、カッディングエツジにマンホール蓋などの
障害物か当り、カッティングエツジが異常な衝撃を受（
プた場合には、シャービンに剪断作用か働き、シャービ
ンが切断される。(e) During snow removal work, the cutting edge hits an obstacle such as a manhole cover, and the cutting edge receives an abnormal impact (
When the shear bottle is pulled, a shearing action acts on the shear bottle and the shear bottle is cut.
シャーピンが切断すると、カッティングエツジは後方回
動するが、このとぎ回転体に設けた長孔により回転体と
ともにカッティングエツジか持ら上げられながら後方回
動じて障害物を回避するようになっている。When the shearing pin makes a cut, the cutting edge rotates backward, and the cutting edge is lifted together with the rotating body by the long hole provided in the cutting rotating body and rotates backward to avoid obstacles.
（［）実施例
以下、本発明の一実施例を図面に基づいて説明すると、
第１図はプラウ（１）の下部を示し、プラウ（１）はプ
ラウ本体（２）と複数に分割されたカッディングエツジ
（３）とから成るものである。([) Example Hereinafter, an example of the present invention will be described based on the drawings.
FIG. 1 shows the lower part of a plow (1), which consists of a plow body (2) and a cudding edge (3) divided into a plurality of parts.
（４）は左右方向に延びた本体部（５）と折曲部（６）
（６）とよりなるチャンネル状の補強部十Ａで、この補
強部材（４）の折曲部（６）を前記プラウ本体（２）の
下端後面に固着しである。(4) is a main body part (5) extending in the left-right direction and a bent part (6)
The bent portion (6) of the reinforcing member (4) is fixed to the rear surface of the lower end of the plow body (2) by a channel-shaped reinforcing portion 10A consisting of (6).
（７）はプラウ本体（２）下端の略延長線十に位置する
水平軸て−１この水平軸（７）は補強部材（４）の本体
部（５）に固着した一対のブラケット（８） （８）に
枢支しである。(7) is a horizontal shaft located approximately at the extension line 10 of the lower end of the plow body (2). This horizontal shaft (7) is connected to a pair of brackets (8) fixed to the main body (5) of the reinforcing member (4). It is supported by (8).
（９）は前記水平軸（７）に回転可能に設けた回転体で
、この回転体（９） ＩＪ、水平軸（７）に貫通される
長孔（１（＋）を略中央部に持つ肉厚のエツジブラケッ
ト（１１）と、このエツジブラケット（１１）の前面に
固着され、左右方向に延びたガイドフレーム（１２）と
より構成されている。(9) is a rotary body rotatably provided on the horizontal shaft (7), and this rotary body (9) IJ has a long hole (1 (+)) penetrated by the horizontal shaft (7) approximately in the center. It is composed of a thick edge bracket (11) and a guide frame (12) fixed to the front surface of the edge bracket (11) and extending in the left-right direction.
前記長孔（１１）は長円（１３）と、この長円（１３）
の下部に連接した欠円（１４）とより構成されている。The elongated hole (11) has an oval (13) and an oval (13).
It consists of a missing circle (14) connected to the lower part of the frame.
前記回転体（９）のエッジブラケツ１〜（１１）の下部
前面には、カッティングエツジ（３）の前面がプラウ本
体（２）前面とガイドフレーム（１２）前面からの延長
面になるようにカッディングエツジ（３）か冊ボルト（
１５）とナラ１〜（１６）にて固定されている。The lower front surfaces of the edge brackets 1 to (11) of the rotating body (9) are cudding so that the front surface of the cutting edge (3) becomes an extension surface from the front surface of the plow body (2) and the front surface of the guide frame (12). Edge (3) or book bolt (
15) and oaks 1 to (16).
（１７）は水平軸（７）に前後方向に直交状に貫通させ
た貫通孔である。(17) is a through hole that extends orthogonally through the horizontal axis (7) in the front-rear direction.
（１８） （１８）は回転体（９）の長孔（１０）の上
端が水平ｉ１’＋ｌ＋はシャービン（１９）を挿入した
当初は広がり、環状溝（２０）（２０）がセフ１ル位置
にくるとシャービン（１９）の切欠溝（２２）にスプリ
ングリング（２１）がせばまって嵌まり込みシレーピン
（１９）が固定されるようになっている。(18) In (18), the upper end of the long hole (10) of the rotating body (9) is horizontal i1'+l+ is wide when the shear bin (19) is inserted, and the annular groove (20) (20) is in the third position. When the spring ring (21) narrows and fits into the notch groove (22) of the shear pin (19), the shear pin (19) is fixed.
なお（２３）は補強部材（４）の折曲部（６）に固着し
た補強プレートである。Note that (23) is a reinforcing plate fixed to the bent portion (6) of the reinforcing member (4).
ところで本実施例で長孔（１０）を長円（１３）と欠円
（１４）とより構成しているがこれに限定することなく
、ある。By the way, in this embodiment, the elongated hole (10) is composed of an elongated circle (13) and a missing circle (14), but the present invention is not limited to this.
（１９）は曲記族通孔（１７）及び連通孔（１８） （
１８）に挿通させたシャービンで、このシＡｌ−ビン（
１９）はシャピン（１９）に形成された一対の環状？Ｍ
（２０） （２０）が回転体（９）のエツジブラケッ
ト（１１）と水平軸（７）との間に位置するようにセッ
トされている。(19) is Quji family through hole (17) and communication hole (18) (
18) with a shear bottle inserted through the shear bottle (18).
19) is a pair of rings formed in Shapin (19)? M
(20) (20) is set so as to be located between the edge bracket (11) of the rotating body (9) and the horizontal shaft (7).
（２１）はエツジブラケット（１１）の一部と嵌め込ん
だスプリングリングで、このスプリングリング（２１）
ち上がる長孔であれば満足りるものである。(21) is a spring ring fitted with a part of the edge bracket (11), and this spring ring (21)
A long hole that rises up is satisfactory.
本発明は前記の如き構成で、次に作用について説明する
。The present invention has the above-mentioned structure, and its operation will be explained next.
まず第１図実線位置にて除雪作業を行ない、路面（２４
）に積もった雪はカッディングエツジ（３）にて削りと
り、プラウ本体（２）にで側方に排除する。First, snow removal work was carried out at the position indicated by the solid line in Figure 1.
) The snow that has accumulated on the plow is scraped off with the cudding edge (3) and removed laterally with the plow body (2).
次にカッティングエツジ（３）かマンホール蓋などの障
害物に当り異常な衝撃か発生した場合にはエッジブラケ
ッ１〜（１１）と水平軸（７）との間に剪断力か発生し
、シレーピン（１９）か環状溝（２０）（２０）のどこ
ろで切断される。Next, if the cutting edge (3) hits an obstacle such as a manhole cover and an abnormal impact occurs, a shearing force will be generated between the edge brackets 1 to (11) and the horizontal shaft (7), 19) or the annular groove (20) (20).
シャーピン（１９）か切断されると、カッディングエツ
ジ（３）は後方回動するが、このとぎ、最初は長孔（１
０）の長円（１３）の１一端か水平４ｉ＋［＋ （７）
に位置し−Ｃいるか、カッディングエツジ（３）ととも
に回転体（９）か持ち上げられて長孔（１０）の長円（
１３）の下端か水平１［１１（７）に位置して］点鎖線
位置となり、更に後方回動して長孔（１０）の欠円（１
４）か水平軸（７）に位置し、カッティングエツジ（３
）が補強ブレ新しいシャーピン（１９）の環状溝（２０
）（２０）かセット位置にくると、シャーピン（１９）
の切欠溝（２２）にスプリングリング（２１）がせばま
って嵌まり込みシャピン（１９）が固定される。When the shear pin (19) is cut, the cudding edge (3) rotates backwards, but at this point, it initially
0) One end of the ellipse (13) or horizontal 4i+[+ (7)
The rotating body (9) is lifted up along with the cudding edge (3) to open the elongated hole (10).
The lower end of 13) becomes the horizontal position 1 [located at 11 (7)] as shown in the dotted chain line, and further rotates backward to reach the oval (1) of the long hole (10).
4) or the horizontal axis (7), and the cutting edge (3)
) is reinforcing the annular groove (20) of the new shear pin (19).
) (20) or set position, use the shear pin (19)
The spring ring (21) is narrowly fitted into the notch groove (22) and the shaft pin (19) is fixed.
（ｇ）発明の効果
以上の如く本発明はプラウ本体に水平軸を設け、水平軸
には、この水平軸に貫通される長孔を略中央部に有する
回転体を回転可能に設け、回転体の下方にはカッティン
グエツジを取付け、水平軸には前後に貫通孔を設け、回
転体には長孔の上端が水平軸に位置するとぎ貫通孔と同
一線上に位置する。(g) Effects of the Invention As described above, the present invention provides a horizontal shaft in the plow body, a rotating body rotatably provided on the horizontal shaft and having an elongated hole penetrated by the horizontal shaft approximately in the center, and the rotating body A cutting edge is attached to the lower part of the cutting edge, and through holes are provided on the horizontal axis at the front and rear, and the upper end of the elongated hole on the rotating body is located on the same line as the through hole.
障害物を回避した後、作業状態に戻す場合には、カッテ
ィングエツジ（３）を前方回動させて第１図実線位置に
戻す。After avoiding the obstacle, when returning to the working state, the cutting edge (3) is rotated forward and returned to the solid line position in Figure 1.
その状態で新しいシ（・−ピン（１９）をプラウ（１）
の前方から挿入すると、古いシ（・−ピン（１９）は新
しいシ（７−ピン（１９）の挿入にともなって両孔（１
７）（１８）より取り除かれる。In this state, plow (1) a new seat (・-pin (19)).
When inserted from the front of the holder, the old holder (・-pin (19) will be inserted into both holes (1) as the new holder (7-pin (19) is inserted).
7) Removed from (18).
た場合には、シャーピンが切断されてカッティングエツ
ジか後方回動じて障害物を回避するにうにしたので、カ
ッティングエツジの破損を防止することかできる。In such a case, the shearing pin is cut and the cutting edge is rotated backward to avoid the obstacle, thereby preventing damage to the cutting edge.
また回転体のエツジブラケットに長孔を設（プだので、
カッディングエツジが後方回動刃るときカッティングエ
ツジは持ち上かった状態で後方回動じ、路面を傷つけな
いとともにプラウ仝体が持ら上がらないので、除雪車仝
休に大きな衝撃が加わることはない。Also, since the edge bracket of the rotating body has a long hole,
When the cudding edge rotates backwards, the cutting edge rotates backwards while being lifted up, so it does not damage the road surface and the plow body does not lift up, so there is no large impact when the snowplow is stopped. .
第１図は本発明の安全装置を装備した除雪用プラウの断
面図、第２図は第１図の△矢視図、第３図はシャーピン
取付の詳細図、第４図はスプリングリングの全体図、第
５図は従来の除雪用プラウの断面図である。Fig. 1 is a sectional view of a snow removal plow equipped with the safety device of the present invention, Fig. 2 is a view from the △ arrow in Fig. 1, Fig. 3 is a detailed view of the shear pin attachment, and Fig. 4 is the entire spring ring. FIG. 5 is a sectional view of a conventional snow removal plow.
Claims (1)
ウにおいて、前記プラウ本体にはプラウ本体下端に水平
軸を設け、前記水平軸にはこの水平軸に貫通される長孔
を有する回転体を回転可能に設け、前記回転体の下方に
はカッティングエッジを取付け、前記水平軸には前後に
貫通した貫通孔を設け、前記回転体には長孔の上端が前
記水平軸に位置するとき前記貫通孔と同一線上に位置で
きる連通孔を設け、前記両孔にはシャーピンを挿着して
なる除雪用プラウの安全装置。In a snow removal plow consisting of a plow body and a cutting edge, the plow body is provided with a horizontal shaft at the lower end of the plow body, and the horizontal shaft is rotatably provided with a rotating body having a long hole penetrated by the horizontal shaft. , a cutting edge is attached to the lower part of the rotary body, a through hole is provided in the horizontal axis that penetrates back and forth, and the upper end of the long hole is in the same line as the through hole when the upper end of the long hole is located on the horizontal axis. A safety device for a snow removal plow comprising a communicating hole that can be positioned in both holes, and shear pins inserted into both holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8860089A JPH02266010A (en) | 1989-04-06 | 1989-04-06 | Safety device for snowplow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8860089A JPH02266010A (en) | 1989-04-06 | 1989-04-06 | Safety device for snowplow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02266010A true JPH02266010A (en) | 1990-10-30 |
| JPH0569926B2 JPH0569926B2 (en) | 1993-10-04 |
Family
ID=13947324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8860089A Granted JPH02266010A (en) | 1989-04-06 | 1989-04-06 | Safety device for snowplow |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02266010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006082910A1 (en) * | 2005-02-01 | 2006-08-10 | Yoshiteru Hama | Edge for smoothly removing snow |
-
1989
- 1989-04-06 JP JP8860089A patent/JPH02266010A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006082910A1 (en) * | 2005-02-01 | 2006-08-10 | Yoshiteru Hama | Edge for smoothly removing snow |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0569926B2 (en) | 1993-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3596996A (en) | Method and apparatus for using a back hoe bucket as a frozen ground ripper | |
| EP0706847B1 (en) | A shearing machine | |
| CA2024409C (en) | Attachment for snow removal | |
| US4083605A (en) | Ripper tooth | |
| JP3058247B2 (en) | Sickle type shearing machine | |
| FR2595107A1 (en) | A COMPLETE PIVOT LIFTING VEHICLE WITH REDUCED RADIUS TO FACILITATE OPERATIONS IN A WEAK SITE | |
| US20060182592A1 (en) | Loader assembly, method for using a loader assembly, and combination motor vehicle and loader assembly | |
| US4007550A (en) | Replaceable corner tooth assembly | |
| US2840932A (en) | Earth and material handling implement | |
| US3792539A (en) | Attachment for backhoe bucket | |
| US4459768A (en) | Bucket design | |
| JPH074071A (en) | Steel shearing machine | |
| EP0478749A1 (en) | Ripper assembly with pitch control and integral frame and push block. | |
| US5689905A (en) | Hydraulic shovel with arm incorporating breaker | |
| US4079791A (en) | Adjustable sloper blade for bulldozers | |
| US4679857A (en) | Mounting frame for linear impact ripper assembly | |
| US5794673A (en) | Stump grinder | |
| US3921316A (en) | Earth moving machine bucket with pivotable sides | |
| US2475710A (en) | Combination bulldozer and ripper | |
| US5755048A (en) | Pavement cutter | |
| US4055223A (en) | Corner tooth assembly for an earthmoving implement having a hollow rearward portion | |
| US3411590A (en) | Snow retaining gate for material moving blade | |
| US4682659A (en) | Ground piercing attachment for tractors | |
| CN209179093U (en) | Excavator dozer blade knife plate cutting edge protective device | |
| US4765072A (en) | Dirt deflector overtravel mechanism |