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    • 11. 发明专利
    • VARIABLE SPEED LIFT
    • JPH0338462A
    • 1991-02-19
    • JP17342089
    • 1989-07-05
    • KAJIMA CORP
    • MATSUI NOBUYUKIOCHI TATSUYUKI
    • B61B11/00B61B13/06B65G21/22
    • PURPOSE:To freely change transfer speed and interval of respective carriers by a method wherein a variable speed linear motor is composed of numerous electromagnets and a permanent magnet of each moving support car to be moving driving unit of the moving support can supporting the carrier. CONSTITUTION:A variable speed linear motor is formed of numerous electromagnets 5 of a guide rail 3 and a permanent magnet 6 of each moving support car 4. By sequentially converting the electromagnets 5 alternately in south poles and north poles with power supplied to these electromagnets 5 so that adjacent electromagnets 5 are not in the same pole, the permanent magnet 6 of each moving support car 4 is attracted or repulsed, while attraction and repulsion of each electromagnet 5 for the permanent magnet 6 of each moving support car 4 is utilized as a moving driving source to transfer respective moving support cars 4, that is, respective carriers 2 along the guide rail 3.
    • 12. 发明专利
    • SELF-TRAVELING TYPE ROBOT
    • JPS6250911A
    • 1987-03-05
    • JP18968785
    • 1985-08-30
    • KAJIMA CORP
    • OCHI TATSUYUKIKIKUCHI SHIGERUSASAKI TSUTOMUTANAKA NOBUO
    • B25J5/00B25J9/16B25J13/08G05D1/02
    • PURPOSE:To obtain the self-traveling type robot which does not cause the accumulative error by correcting the position of the self-traveling type robot by the signal from the direction sensor and the signal from the laser photodetecting sensor for the suitable section in accordance with the prescribed program. CONSTITUTION:A direction sensor 14 on a traveling truck 1 detects the direction of the traveling truck 1 and outputs it to an arithmetic control device 10. A traveling distance sensor 15 detects the traveling distance and outputs to the device 10. Laser photodetecting sensors 16 and 17 photodetects the laser beam of a laser lighthouse 18 and outputs the signal to the device 10. The device 10 is composed of the program (PG) to calculate the accumulative position of the traveling truck 1, PG to calculate the minimum distance between the fixed point and the traveling truck, PG to calculate the traveling distance, PG to calculate the traveling distance and the position correcting calculation PG to control the mechanism of the traveling truck 1. Based upon these PG, the position of the traveling vehicle 1 is corrected for the suitable section.
    • 13. 发明专利
    • SELF-TRAVELING ROBOT
    • JPS61193209A
    • 1986-08-27
    • JP3142885
    • 1985-02-21
    • KAJIMA CORP
    • OCHI TATSUYUKITANAKA NOBUOKIKUCHI SHIGERU
    • E01C19/45A01B69/00E01H1/00G05D1/02
    • PURPOSE:To attain the unmanned operation of a robot (truck) by calculating the present position of the truck by the signals given from a direction sensor and a traveled distance sensor anc comparing the result of said calculation with an indicated driving path for control of both the direction and speed of the truck. CONSTITUTION:When the X coordinates 3 of a point D is controlled in a working area S while a self-traveling 1 is steered in a pattern of a driving path RO between a fixed point O and an end point R, the following algorithm is applied. That is, the minimum distance l2 is obtained between the point O and the robot 1 while the robot 1 travels up to a point N from a point M. The robot 1 has a rectangular turn at the point N, and the distance between points N and Q is controlled to (l2+l3), where l2 and l3 mean the measured value and estimated value respectively. Then the robot 1 has a rectangular turn at the point Q. Hereafter the Y coordinates of a point E and the X coordinates of a point F are controlled in the same way. Here it is supposed that the traveling direction is controlled to the fixed value by a direction sensor 14 for each drive section of the robot 1.
    • 16. 发明专利
    • PRECISE DETECTION METHOD FOR UNDERGROUND EXCAVATOR POSITION
    • JPH09297022A
    • 1997-11-18
    • JP11087296
    • 1996-05-01
    • KAJIMA CORP
    • ISHIZAKA MINEKIKUCHI TETSUKIMATSUI NOBUYUKIOCHI TATSUYUKI
    • G01C15/00E02F5/14G01B7/00G01B21/00G01D5/12
    • PROBLEM TO BE SOLVED: To suppress influence of variety of characteristics in a proximity sensing element. SOLUTION: In each of one or more fixed reference points 17 which are provided on a top surface 2 of an excavator, three line segments α, β and γ are provided on the top surface 2 while crossing at 120 deg.C each other. Multiple proximity sensing elements 11, whose output is in correspondence to a distance from a deadweight 9, are fixed with constant intervals on each of line segments α, β and γ, and the deadweight 9 whose diameter is smaller than the constant interval is hung from a reference point 7 (7A, 7B) on a ground surface 3, up to just above the corresponding reference point 17 on the excavator 1. Based on distribution of output of the proximity sensing element 11 on each of the three line segments α, β and γ, a point where the output is maximum is estimated for each lines. A triangular area is drawn on the top surface 2 with perpendiculars of three line segments passing through the point of maximum output, and a center of gravity of the area is made to be a vertical projection position of the deadweight 9. Based on a coordinate of the gravity center of the reference point 17, a coordinate of the reference point 17 of the excavator 1 for the ground reference point 7 is decided.