JPS6361411U

JPS6361411U -

Info

Publication number: JPS6361411U
Application number: JP15469486U
Authority: JP
Priority date: 1986-10-08
Filing date: 1986-10-08
Publication date: 1988-04-23

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る舗装道路加工用カツタの
ブレードチツプの該略構成を示す斜視図、第２図
は本実施例におけるカツタ本体にブレードチツプ
が取付けられた状態を端面側から見て模式的に示
す説明図、第３図はその周側面を展開してブレー
ドチツプの配列を模式的に示す説明図、第４図は
切り残し部分と幅広ブレードチツプとの関係を模
式的にしめす説明図、第５図は各条に配列される
ブレードチツプの中心角位相を示す説明図、第６
図は路面切削中のカツタが路面と接触している状
態を示す説明図、第７図は切り残こし部分の押し
倒しによる破砕が起こる条件領域を示すグラフ図
である。１……ブレードチツプ、１ａ……第１ブレード
チツプ、１ｂ……第２ブレードチツプ、４……稜
線、５，６……楔面、θ……先端角、α……径方
向のすくい角、７……カツタ本体。 Fig. 1 is a perspective view showing the general structure of the blade tip of the paved road cutting cutter according to the present invention, and Fig. 2 is a schematic diagram of the state in which the blade tip is attached to the cutter body in this embodiment, viewed from the end face side. Figure 3 is an explanatory diagram that schematically shows the arrangement of the blade tips by expanding the circumferential side thereof, and Figure 4 is an explanatory diagram that schematically shows the relationship between the uncut portion and the wide blade tip. , FIG. 5 is an explanatory diagram showing the central angle phase of the blade tips arranged in each strip, and FIG.
The figure is an explanatory diagram showing a state in which the cutter is in contact with the road surface while cutting the road surface, and FIG. 7 is a graph diagram showing the condition range in which crushing due to pushing down of the uncut portion occurs. 1... Blade tip, 1a... First blade tip, 1b... Second blade tip, 4... Ridge line, 5, 6... Wedge surface, θ... Point angle, α... Radial rake angle, 7...Katsuta body.

Claims

【実用新案登録請求の範囲】 (1) ドラム状のカツタ本体７の周側面に、多数
のブレードチツプ１を周方向へ且つ複数条配設し
てなる舗装道路加工用カツタにして、前記ブレードチツプ１は、切り込み深さの方向
へ延びる稜線４と該稜線４からその両側に送り方
向後方へ略等しい傾斜角で延びる楔面５，６とに
よつてすくい面が形成され、しかもこれら楔面５
，６間に形成される先端角θが１００°以上１４
０°以下であり、且つ該チツプ１の径方向のすく
い角αが−１０°以上＋１０°以下となるように
配設され、前記ブレードチツプ１は、前記各条間に所定の
幅間隔で間隙領域を形成すべく所定の幅寸法を有
する第１ブレードチツプ１ａと、前記間隙領域に
突出して隣接する条にまで及ぶ幅寸法を有する第
２ブレードチツプ１ｂとからなり、前記各条には、前記第１ブレードチツプ１ａを
所定の数並べて配設するごとに前記第２ブレード
チツプ１ｂを間欠的に配設することを特徴とする
舗装道路加工用カツタ。 (2) 前記ブレードチツプ１は、前記カツタ本体
７の周方向へ等間隔に配設され、かつ各条に配設
されている個々のブレードチツプ１の中心角位相
を各条間で相互にずらした状態にその周方向位置
が設定される実用新案登録請求の範囲第１項記載
の舗装道路加工用カツタ。 (3) 前記第２ブレードチツプ１ｂは、前記各条
のうち１条置きの各条に配設されている実用新案
登録請求の範囲第１項または第２項記載の舗装道
路加工用カツタ。[Claims for Utility Model Registration] (1) A paved road cutting cutter comprising a drum-shaped cutter main body 7 and a plurality of blade chips 1 disposed circumferentially in a plurality of rows on the circumferential side of the cutter body 7; 1, a rake face is formed by a ridgeline 4 extending in the direction of the cutting depth and wedge faces 5 and 6 extending from the ridgeline 4 on both sides at substantially equal inclination angles rearward in the feed direction, and these wedge faces 5
, 6, the tip angle θ formed between 100° or more14
0° or less, and the rake angle α of the tip 1 in the radial direction is -10° or more and +10° or less, and the blade tip 1 has a gap between each strip at a predetermined width interval. It consists of a first blade tip 1a having a predetermined width dimension to form a region, and a second blade tip 1b having a width dimension that projects into the gap region and extends to an adjacent strip; A paved road cutting cutter characterized in that the second blade tip 1b is intermittently arranged every time a predetermined number of first blade tips 1a are arranged in a row. (2) The blade tips 1 are arranged at equal intervals in the circumferential direction of the cutter body 7, and the center angle phases of the individual blade tips 1 arranged in each row are shifted from each other between each row. The paved road cutting cutter according to claim 1, wherein the circumferential position of the cutter is set in a state where the cutter is set in a circumferential direction. (3) The paved road cutting cutter according to claim 1 or 2, wherein the second blade tip 1b is disposed on every other strip among the strips.