PUNCHING DEVICE

• Main Authors: ARIKAWA TAKESHI, NISHIYAMA KOICHI, MISAWA TAKASHI, YAMAGUCHI OSAMU, YAMADA JUNICHI
• Format: Patent
• Language: English; Japanese
• Published: 02.09.2021
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PERFORMING OPERATIONS; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE; WORKING STONE OR STONE-LIKE MATERIALS

To provide a punching device capable of punching a structure made of concrete while reducing the load of an operator.SOLUTION: A punching device A comprises a hammer drill 1 provided so as to move forward and backward and punching a structure made of concrete, a lifter 10 elevatably supporting the hammer drill 1, a support frame 20 provided at the lower part of the lifter 10 and supporting the lifter 10, a running frame 30 provided so as to straddle the support frame 20 and fitted with running rollers 31 and air jacks 40 having upper ends fixed to the running frames 30, provided with lower edges so as to be fixed to the support frame 20 and respectively selectively grounding the rollers 31 upon shrinkage and the support frame 20 upon expansion.SELECTED DRAWING: Figure 1 【課題】作業者の負担を軽減しつつコンクリート製の構造物を穿孔することのできる穿孔装置を提供する。【解決手段】進退移動可能に設けられ、コンクリート製の構造物を穿孔するハンマドリル１と、ハンマドリル１を昇降可能に支持するリフタ１０と、リフタ１０の下部に設けられ、リフタ１０を支持する支持フレーム２０と、支持フレーム２０を跨ぐように設けられるとともに、走行用のローラ３１が取り付けられた走行フレーム３０と、上端が走行フレーム３０に固定されるとともに下端が支持フレーム２０に固定されて設けられ、収縮してローラ３１を、伸長して支持フレーム２０をそれぞれ選択的に接地させるエアジャッキ４０とを有する穿孔装置Ａである。【選択図】図１