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    • 2. 发明专利
    • TRAVELING DEVICE FOR SOFT GROUND
    • JPH06122366A
    • 1994-05-06
    • JP41074890
    • 1990-12-13
    • TAKENAKA KOMUTEN COYAMAKAWA ENG
    • KIKUCHI KIMIOFURUTA SHUZOTANAKA SADAOTAMAI KEIICHIMATSUMOTO RYOZO
    • B60V3/02B62D57/036E02F9/02E04G21/06
    • PURPOSE:To steer a machine body on a soft ground without damaging the ground in the state where the machine body is floated up, by carrying out advance and steering by driving the left and right crawler type traveling devices in pair in the state where the internal pressure in a sealed space of a machine body lifting-up member is increased and the grounded pressure of the whole machine body is reduced. CONSTITUTION:A machine body lifting-up member 23 having a sealed space S is installed over the whole periphery in the circumferential direction or over the nearly whole periphery of the lower part of the machine body, and the machine body is lifted up by the lifting-up member 23 by supplying the pressurized air into the sealed space S by a blower. The driving force in the horizontal direction is applied by the left and right crawler type traveling devices 7a in pair, and traveling is performed with the small grounded pressure of the machine body without liberating the air supplied for floating up the machine body to the ground side at all and without disturbing the peripheral ground by the blown air. Accordingly, it is enough only to apply the driving force in the horizontal direction in the steering of the machine body of the crawler type traveling device, and since traveling is performed by the small driving force, the surface pressure on the traveling ground which receives the weight of the whole machine body can be reduced, and the traveling is carried out without damaging the ground even on a soft ground.
    • 3. 发明专利
    • CRANE FOR CONSTRUCTION
    • JPH033893A
    • 1991-01-09
    • JP13865089
    • 1989-05-30
    • TAKENAKA KOMUTEN COKOSHIHARA KK
    • TANAKA SADAONISHI HIROSHIMITOMA TAKAFUMIMIYAGAWA HARUOIEMURA MASATONASU SUMIICHITSUJINISHI TOSHIJI
    • B66C23/32
    • PURPOSE:To facilitate the shifting and removing operations by installing the body part of a slide base frame on the lower side of the turning wheel receiving board of a crane body and installing a plurality of supporting legs onto the basic part in demountable manners by a basic part and connecting a crane body shifting mechanism onto one side of the frame. CONSTITUTION:After a frame assembly A of a building is assembled ud to a rooftop floor, a crane body 2 is shifted to remove a mast 1, and at this time two shift receiving supporting beams 30 are laid in parallel in the horizontal state, keeping a prescribed interval, setting the mast 1 interposed in the direction for shifting the body 2. Then, a crane body shifting mechanism 4 is operated. In other words, a shift reaction force receiving supporting girder 42 is fixed by a catch-holding fixing mechanism 43 by using a hydraulic unit 14 mounted onto the turning board 3 of the body 2, and a hydraulic cylinder 45 is operated in a prescribed stroke, and then a slide base frame 20 slides on the upper surface of the beam 30 by the supporting leg 23 part, and the body 2 shifts. Therefore, a climbing mechanism 10, mast 1 etc. at the original positions are disassembled successively and removed by the crane.
    • 6. 发明专利
    • Foundation structure of selfsupported type stationary crane
    • 自动式定位起重机的基础结构
    • JPS5910623A
    • 1984-01-20
    • JP11923882
    • 1982-07-08
    • Takenaka Komuten Co Ltd
    • MIZUHATA TERUOTAKAHASHI MASAAKITANAKA SADAOIMAI MUNEYOSHITOUFUJI TAKAYOSHINAKANISHI KAZUYOSHI
    • E02D27/42B66C23/02E02D27/50
    • E02D27/50
    • PURPOSE:To reduce the cost of construction for the foundation structure of a selfsupported type stationary crane by a method in which of loads acting on the crane foundation, drawing force is shared by a wire rope or a rod, and compression force is absorbed by a pressure-resistant supporting plate. CONSTITUTION:A base 3 provided connectedly at the lower end of the mast 2 of a selfsupported type stationary crane 1 is set on a pressure-resistant supporting plate 4 constructed in the ground. A rod or wire rope 6 to which an early- period tension is given is tensely provided between plural earth anchors 5 buried in plural places under the ground in the surrounding of the mast 2 and in the lower part of the supporting plate 4 and the base 3. Among loads acting on the foundation of the crane, drawing force is shared by the rope or rod 6 a minimal cross section, and compression force is by the supporting plate, e.g., concrete slab, etc. Since a material which is most kinematically reasonable with respect to drawing force and compression force can be used, an overburden of properties in terms of drawing load on pile, etc., in particular can be eliminated.
    • 目的:为了降低自支撑型固定式起重机的基础结构的施工成本,其作用在起重机基础上的作用力,牵引力由钢丝绳或杆共用,压缩力由 耐压支撑板。 构成:在自支撑式固定式起重机1的桅杆2的下端连接设置的基座3设置在构成地面的耐压支撑板4上。 在埋设在桅杆2的周围的地下多个地下的多个地锚5和支撑板4的下部以及底座之间,牢固地设置有提供早期张力的杆或钢丝绳6 3.在作用于起重机基座的载荷中,牵引力由绳索或杆6共享,最小横截面,压缩力由支撑板,例如混凝土板等组成。由于运动学上最大的材料 可以使用拉拔力和压缩力合理,特别是可以消除在桩上的拉力负荷等方面的性能上覆。
    • 9. 发明专利
    • METHOD OF DISASSEMBLING CRANE JIB
    • JPH04277196A
    • 1992-10-02
    • JP6119491
    • 1991-03-01
    • TAKENAKA KOMUTEN CO
    • TOFUJI TAKAYOSHITANAKA SADAO
    • B66C23/26
    • PURPOSE:To efficiently disassemble a crane with the use of a small disassembling crane by moving a hook of the disassembling crane above the gravitational center so that first and second jibs are folded in such a way that the first jib is superposed with the second jib below the later, in order to release the coupling between the jibs which are therefore disassembled. CONSTITUTION:A crane has a crane body 1 coupled vertically swingable thereto with a root jib 2 to which a front end jib 4 is releasably coupled. After the front end jib 4 is turned down so as to couple a temporarily holding wire 7 to the front end of a jib 4b and to the crane body, the coupling of a coupling part 6 is released. When the wire 7 is wound up, and after the jib 4b is turned down and suspended downward, it is turned down in this condition, and the front end side thereof is moved toward the crane body 1 so that the jib 4a is folded back below the jib 4b, and is supported by a jib receiving bed 8. Further, the jibs 4a, 4b in the folded-back condition are set on a hook 9 of a disassembling crane so as to be suspended, and they are conveyed to a suitable disassembling position after the coupling between the root jib 2 and the jib 4b is released.