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    • 1. 发明申请
    • ELECTRIC DISCHARGE SHOCK BREAKDOWN METHOD AND APPARATUS THEREFOR
    • 电动放电防震方法及其设备
    • WO1998007520A1
    • 1998-02-26
    • PCT/JP1997002866
    • 1997-08-19
    • KOMATSU LTD.ITOW, KoichiroSHIMADA, RyuichiHIRAKI, Hikosaburo
    • KOMATSU LTD.
    • B02C19/18
    • B02C19/18B02C2019/183B02C2201/02
    • An electric discharge shock wave generating method and an apparatus therefor, which can break down a large rock and concrete in a short time. The electric discharge shock breakdown method comprises first having positive and negative electrodes (3a, 3b) approach a portion being broken down, the portion being surrounded by a liquid atmosphere or an object being (4) broken down being rendered a liquid atmosphere, and subsequently applying a high voltage pulse between the positive and negative electrodes (3a, 3b) to generate an electric discharge therebetween so that the portion being broken down is broken down by shock waves generated by the electric discharge. In the method, an atmosphere with bubbles is formed in a liquid between the positive and negative electrodes (3a, 3b) before the electric discharge.
    • 一种放电冲击波发生方法及其装置,可在短时间内分解大型岩石和混凝土。 放电冲击击穿方法包括首先具有正极和负极(3a,3b)接近被分解的部分,所述部分被液体气氛包围,或被分解为(4)的物体形成液体气氛,随后 在正极和负极(3a,3b)之间施加高电压脉冲以在它们之间产生放电,使得被分解的部分被由放电产生的冲击波分解。 在该方法中,在放电前的正极和负极(3a,3b)之间的液体中形成具有气泡的气氛。
    • 4. 发明申请
    • CRAWLER DEVICE FOR A CRAWLER TYPE VEHICLE
    • CRAWLER型车辆用CRAWLER装置
    • WO1997037885A1
    • 1997-10-16
    • PCT/JP1997001200
    • 1997-04-08
    • KOMATSU LTD.HIRAKI, HikosaburoTSUBOTA, HaruhiroHORI, Kazutoshi
    • KOMATSU LTD.
    • B62D55/104
    • B62D55/02B62D55/065B62D55/104B62D55/24B62D55/30
    • A crawler device for a crawler type vehicle for lowering the vehicle height and decreasing the vehicle width that exhibits a superior stability at the time of operation. In a crawler type vehicle having on right and left sides of either one of front and rear portions or both portions of a vehicle body (3) crawler devices each having a sprocket (12), an idler (16A) disposed on a truck frame (15) and a caterpillar (11) passed around the sprocket (12) and the idler (16A), a front side link (181) coupled to a front side position of the truck frame (15) by means of a pin (181D) at a lower end portion thereof and to the vehicle body (3) side by means of a pin (181U) at an upper end portion thereof and a rear side link (182) coupled to a rear side position of the truck frame (15) by means of a pin (182D) at a lower end portion thereof and to a rearward position of the front side link (181) on the vehicle body (3) side by means of a pin (182U) at an upper end portion thereof are provided.
    • 一种用于履带式车辆的履带式装置,用于降低车辆高度并降低车辆宽度,其在操作时表现出优异的稳定性。 在具有车体(3)的任一方的前后左右两侧的履带式车辆中,每个履带装置具有链轮(12),设置在卡车框架上的惰轮(16A) 15)和通过链轮(12)和惰轮(16A)绕过的履带(11),通过销(181D)联接到卡车框架(15)的前侧位置的前侧连杆(181) 在其下端部分通过销(181U)在其下端部分和车体(3)侧,以及联接到卡车框架(15)的后侧位置的后侧连杆(182) 通过在其下端部分处的销(182D)和通过在其上端部分处的销(182U)在车身(3)侧上的前侧连杆(181)的后方位置, 提供。
    • 6. 发明申请
    • POWER UNIT FOR GENERATING DISCHARGE SHOCK WAVE
    • 用于产生放电冲击波的电源单元
    • WO1998008296A1
    • 1998-02-26
    • PCT/JP1997002865
    • 1997-08-19
    • KOMATSU LTD.ITOW, KoichiroSHIMADA, RyuichiHIRAKI, Hikosaburo
    • KOMATSU LTD.
    • H02M07/04
    • H02M7/213H02M3/07H02M7/10H03K3/55
    • A high-performance, highly reliable, and highly durable power unit for generating discharge shock wave is provided with a plurality of capacitors (C1-C6) connected in series, first coils (L1, L2, and L3) and switches (S1, S2, and S3) which are connnected to every other capacitors (C1, C3, and C5), first resistors (R11, R12, and R13 connected in series with the one-side terminal of a power source (1), second resistors (R21, R22, and R23) connected in series with the other-side terminal of the power source (1), and a discharge electrode (2) provided on the output side of the last capacitor (C6) and each switch (S1, S2, and S3) has a one-side main electrode (a), an other-side main electrode (b), and a triggering electrode (c). The triggering electrode (c) of a first-stage switch (S1) is connected to a triggering voltage source (3) and the one-side main electrodes (a) and other-side main electrodes (b) of the other switches (S1 and S2) than the final-stage switch (S3) are respectively connected to second capacitors (C71 and C72) and the primary sides (d1 and d1) of insulating pulse transformers (T1 and T2) through serial electric paths. The triggering electrodes (c) and other-side main electrodes (b) of the other switches (S2 and S3) than the first-stage switch (S1) are connected through the secondary sides (d2 and d1) of the transformers (T1 and T2).
    • 具有串联连接的多个电容器(C1-C6),第一线圈(L1,L2和L3)和开关(S1,S2)的高性能,高可靠性和高耐用性的用于产生放电冲击波的功率单元 ,和连接到每隔一个电容器(C1,C3和C5)的第一电阻器(R11,R12和R13,与电源(1)的单侧端子串联连接)的第一电阻器 ,R22和R23)和设置在最后一个电容器(C6)的输出侧的放电电极(2)和每个开关(S1,S2, 和S3)具有一侧主电极(a),另一侧主电极(b)和触发电极(c),第一级开关(S1)的触发电极(c)连接到 其他开关(S1和S2)的触发电压源(3)和单侧主电极(a)和另一侧主电极(b)分别为连续 通过串联电路通过绝缘脉冲变压器(T1和T2)的第二电容器(C71和C72)和初级侧(d1和d1)。 其他开关(S2和S3)的触发电极(c)和其他侧主电极(b)比第一级开关(S1)通过变压器的第二侧(d2和d1)连接(T1和 T2)。
    • 8. 发明申请
    • LIQUID-FILLED SUSPENSION
    • 液体填充悬浮液
    • WO1996014520A1
    • 1996-05-17
    • PCT/JP1995002275
    • 1995-11-07
    • KOMATSU LTD.FUKOKU CO., LTD.HIRAKI, HikosaburoNAKADA, KuniakiKUZUKAWA, MituoTANAKA, Tatuo
    • KOMATSU LTD.FUKOKU CO., LTD.
    • F16F13/00
    • F16F1/38F16F9/342F16F9/346F16F9/38F16F9/512F16F9/54F16F9/585F16F13/00F16F13/08
    • A liquid-filled suspension which connects one of separate members to the other and comprises a cylindrical-shaped mount rubber (43) secured to the one of the separate members and having the other of the separate members axially slidably fitted thereonto, said mount rubber (43) being formed by laminating a plurality of rubber layers (46a, 46b, 46c), which are different in at least one of radial thickness and axial height, with a plurality of cylindrical-shaped members (45a, 45b, 45c) therebetween, and a spring member (57) interposed between a damper plate (50) and the inner bottom surface of a container (40) and comprising a coil spring. With such arrangement, a large stroke in an axial direction is obtained and vibration isolation and preventing of rolling due to vibration are both ensured in a lateral direction.
    • 一种液体填充的悬架,其将分离的构件之一连接到另一个,并且包括固定到所述分离构件中的一个上的圆柱形安装橡胶(43),并且使另一个分离构件可轴向滑动地装配到所述安装橡胶 43)通过在径向厚度和轴向高度中的至少一个不同的多个橡胶层(46a,46b,46c)与其间的多个圆柱形构件(45a,45b,45c)层压而形成, 以及插入在阻尼板(50)和容器(40)的内底面之间并包括螺旋弹簧的弹簧构件(57)。 通过这样的结构,可以获得沿轴向大的行程,并且在横向确保振动隔离和防止由振动产生的滚动。
    • 9. 发明申请
    • CONNECTING PIN DEVICE OF WORKING MACHINE LINK
    • 连接工作机链接引脚设备
    • WO1991008352A1
    • 1991-06-13
    • PCT/JP1990001565
    • 1990-11-30
    • KABUSHIKI KAISHA KOMATSU SEISAKUSHOHIRAKI, HikosaburoYOSHIDA, KazuhiroOTA, Akio
    • KABUSHIKI KAISHA KOMATSU SEISAKUSHO
    • E02F03/38
    • E02F9/006F16C11/045F16C2350/26
    • A connecting pin device of a working machine link, which improves durability of a rigid-elastic ring to be fitted to a pin connecting portion and prevents the occurence of noise by eliminating a gap between the ring and the pin connecting portion. The device includes a V-shaped groove formed between opposed end surfaces of pin bosses, a ring main body (2), an inner member (3) coated with urethane on the inner peripheral side thereof, a pair of lip members (4) coated with urethane on the outer peripheral side thereof in such a manner as to come into contact with the groove and a mating portion cover member (6) coated with urethane at the mating portion thereof. A rigid-elastic ring (10) produced by molding integrally the ring main body and the members described above are fitted into the groove. A V-shaped molded surface (32) is formed on the inner peripheral side of the elastic ring (30) so as to be fitted to the groove and the elastic ring whose angle (Y) on the V-shaped molded surface is greater than the angle (X) of the groove is fitted into the groove.
    • 一种工作机械连杆的连接销装置,其提高刚性弹性环的耐用性,从而通过消除环与销连接部之间的间隙来防止发生噪音。 该装置包括形成在销凸台的相对端面之间的V形槽,环主体(2),在其内周侧涂覆有聚氨酯的内部构件(3),涂覆有一对唇形构件(4) 其外周侧具有氨基甲酸乙酯,以与槽接触的方式和在其配合部分处涂覆有聚氨酯的配合部分覆盖部件(6)。 通过将环主体和上述构件一体成型制成的刚性弹性环(10)装配到槽中。 V形模制表面(32)形成在弹性环(30)的内​​周侧上以与V形模制表面上的角度(Y)大于沟槽的弹性环 槽的角度(X)嵌合在槽中。