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1. 发明专利

JP2001337007A SUPPORT STRUCTURE OF VIBRATION STAGE OF VIBRATION MACHINE 失效
公开(公告)号：JP2001337007A
公开(公告)日：2001-12-07
申请号：JP2000158498
申请日：2000-05-29
申请人： AKASHI CORP
发明人： SHIBATA TAKAHISA , OKAWA HARUIE
IPC分类号： G01M7/02
摘要： PROBLEM TO BE SOLVED: To raise the upper limit of weight and size of testable sample on a vibration machine. SOLUTION: In an opening 203 at the upper part of a box 202 having the opening 203, a vibration stage 1 is attached capably of appearing and sinking. An auxiliary vibration stage 11 is attached on the vibration stage 1. In the gap between the side surface 11a of the auxiliary vibration stage 11 facing downward and the upper part 202 of the box 202, an air chamber 14 capable of vertically expanding is provided. By raising and lowering the pressure in the air chamber 14, the vibration stage 1 and the auxiliary vibration stage 11 are raised and lowered.

2. 发明专利

JPH10227717A SUPPORT DEVICE FOR HORIZONTAL VIBRATING TABLE 失效
公开(公告)号：JPH10227717A
公开(公告)日：1998-08-25
申请号：JP4712897
申请日：1997-02-14
申请人： AKASHI CORP
发明人： YASUYAMA NAOTAKE , SHIBATA TAKAHISA , FURUTA EIJI
IPC分类号： G01M7/02 , B06B1/00
摘要： PROBLEM TO BE SOLVED: To prevent the overconstraint among hydrostatic bearings to each other, in a support device of a horizontal vibrating table which supports each overturning moment in the pitching and rolling directions, of the horizontal vibrating table, by plural hydrostatic bearings. SOLUTION: This support device comprises the hydrostatic bearings P1 , P2 for supporting the overturning moment in a pitching direction, besides of the hydrostatic bearings R1 -R4 , between a horizontal vibrating table and a base, and the feedback systems of the hydrostatic bearings are connected with each other, so that the feedback amount corresponding to the correlation of the pistons, is to be added. Thereby the overturning moment of the horizontal vibrating table can be supported without generating the overconstraint among the hydrostatic bearings R1 -R4 , P1 and P2 .

3. 发明专利

JP2003070136A Cable supporter and vibration tester 有权
标题翻译：电缆支架和振动测试仪
公开(公告)号：JP2003070136A
公开(公告)日：2003-03-07
申请号：JP2001256393
申请日：2001-08-27
申请人： Akashi Corp , 株式会社アカシ
发明人： ITO MASAAKI , SHIBATA TAKAHISA
IPC分类号： G01M7/02 , F16L3/12 , H02G3/30
摘要： PROBLEM TO BE SOLVED: To provide a cable supporter, as well as a vibration tester equipped with the same, capable of aligning a cable, a hose, or the like by an appropriate force. SOLUTION: A cable holder 8 supports and fixes a plurality of cables 7. There are provided a plurality of long rods 82 disposed almost parallel to each other, a plurality of short rods 83 spanned between the long rods, and a belt 84 which supports and fixes the cable on the long rod and the short rod. The cable is arranged between two adjoining short rods over the long rod. The adjoining cable and at least a part of outer periphery of the short rod are alternately wound with the belt, so that the cable is supported and fixed on the long rod and the short rod.
摘要翻译：要解决的问题：为了提供一种能够通过适当的力对准电缆，软管等的电缆支撑件以及配备有它的振动测试器。解决方案：电缆固定器8支撑并固定多个电缆7.设置有多个彼此平行设置的多个长条82，跨过长杆之间的多个短杆83，以及支撑和将电缆固定在长杆和短杆上。电缆布置在长杆上的两个毗邻的短杆之间。邻接的电缆和短杆的外周的至少一部分与带交替地卷绕，使得电缆被支撑并固定在长杆和短杆上。

4. 发明专利

JP2002243578A COMPOSITE ENVIRONMENTAL EXCITER 失效
公开(公告)号：JP2002243578A
公开(公告)日：2002-08-28
申请号：JP2001045578
申请日：2001-02-21
申请人： AKASHI CORP
发明人： TOMIZAKI KAYOKO , SHIBATA TAKAHISA
IPC分类号： G01M99/00 , G01M7/02 , G01N17/00 , G01M19/00
摘要： PROBLEM TO BE SOLVED: To provide a composite environmental exciter capable of performing a test coping with a sudden temperature change and observing a test piece without interrupting the test. SOLUTION: This composite environmental exciter 1 comprises the combination of a thermostatic oven 2 with an electrokinetic exciter 3. This exciter further comprises supplying means 4, 6, and 25 for supplying liquid nitrogen to the thermostatic oven with an adjusted flow rate; temperature regulating means 5 and 6 for heating and evaporating the liquid nitrogen supplied from the supplying means and regulating the temperature of the evaporated gas nitrogen; and a blowing means for directly blowing the gas nitrogen regulated in temperature by the temperature regulating means to the test piece. A heat insulating case 10 is provided within the thermostatic oven, and a camera 11 is set in the heat resisting case.

5. 发明专利

JP2000292303A ELECTRODYNAMIC VIBRATION GENERATOR AND VIBRATION CONTROL METHOD 失效
公开(公告)号：JP2000292303A
公开(公告)日：2000-10-20
申请号：JP9802299
申请日：1999-04-05
申请人： AKASHI CORP
发明人： MURAKAMI MITSUO , SHIBATA TAKAHISA
IPC分类号： B06B1/04 , G01H11/06 , G01M7/02
摘要： PROBLEM TO BE SOLVED: To provide a vibration generator capable of more inexpensive and high-accuracy horizontal control of a surface for placing a shaking table. SOLUTION: This vibration generator 1 is an electromagnetic one comprising a shaking table 2 with a specimen S to be mounted thereon, a plurality of vibration generation mechanism portions 3 positioned in lower portions of the shaking table 2 to support it while shaking the shaking table 2 by generating an AC in a moving coil 34 disposed in an air gap with a DC magnetic field formed therein, and a vibration control portion 4 for controlling the vibration of the vibration generation mechanism portions 3. Here, when a support portion 35 for supporting the shaking table 2 in each vibration generation mechanism portion 3 is displaced from a predetermined reference position, it is controlled by feeding back to each moving coil 34 a DC required to return the support portion 35 to the reference position on the basis of the vertical displacement of the support portion 35 measured by a displacement measuring means 37 for measuring the vertical displacement.

6. 发明专利

JP2000121490A VIBRATION TESTING APPARATUS AND METHOD FOR CONTROLLING THE SAME 失效
公开(公告)号：JP2000121490A
公开(公告)日：2000-04-28
申请号：JP28825798
申请日：1998-10-09
申请人： AKASHI CORP
发明人： SHIBATA TAKAHISA , YAMAGATA TAKASHI
IPC分类号： G01M7/02
摘要： PROBLEM TO BE SOLVED: To provide a vibration testing apparatus and a method for controlling a vibration testing apparatus whereby a magnetic flux density can be small at a shift.velocity area of a low frequency region not requiring a maximum shaking force, and can be large at a high frequency region requiring the maximum shaking force by continuously varying a current to be sent to an exciting coil. SOLUTION: At an area of not larger than a predetermined frequency F1, an exciting current variable circuit 10 controls a d.c. voltage value to be impressed to an exciting coil 4 to a low voltage. Between the frequency F1 and a predetermined frequency F2, the circuit continuously varies the d.c. voltage to be impressed to the exciting coil 4. At an area of not smaller than the frequency F2, the circuit controls the d.c. voltage value to be impressed to the exciting coil 4 to a value whereby an induction type vibration testing apparatus 1 can exert a maximum shaking force.

7. 发明专利

JP2004069476A Vibration testing machine 有权
标题翻译：振动试验机
公开(公告)号：JP2004069476A
公开(公告)日：2004-03-04
申请号：JP2002228621
申请日：2002-08-06
申请人： Akashi Corp , 株式会社アカシ
发明人： ITO MASAAKI , SHIBATA TAKAHISA
IPC分类号： G01M7/02
摘要： PROBLEM TO BE SOLVED: To provide a vibration testing machine provided with an over-travel detecting mechanism that is reduced in the number of used parts and improved further in reliability.
SOLUTION: This vibration testing machine is provided with an insulating base member 6 fixed to its main body 5, a conductive U-shaped plate spring member 7 having two leg sections 72 and 72 which are fixed to the base member 6 at a prescribed interval in the vibrating direction of a mobile section 2, and contact members 9 which are provided on the base member 6 between the leg sections 72 and respectively energized by the leg sections 72. This detecting mechanism is also provided with an over-travel detecting circuit 31 which detects the non-contacting states between the leg sections 72 and the contact members 9 corresponding to the sections 72 and outputs detect signals, and a control section 3 which controls the vibration of the mobile section 2 based on the input of the detect signals. When the displacement amount of the mobile section 2 exceeds a prescribed value, a protruded section 21 protruded from the mobile section 2 and arranged between the leg sections 72 comes into contact with the leg sections 72 so as to release the leg sections 72 and contact members 9 from each other.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种具有减少使用部件数量并进一步提高可靠性的超行程检测机构的振动试验机。解决方案：该振动试验机设置有固定在其主体5上的绝缘基座部件6，具有两个腿部72和72的导电U形板簧部件7，它们以一个在移动部分2的振动方向上的规定间隔以及在腿部72之间设置在基部部件6上并分别由腿部72激励的接触部件9。该检测机构还设置有超行程检测电路31，其检测腿部72和对应于部分72的接触部件9之间的非接触状态，并输出检测信号;以及控制部分3，其基于检测器的输入来控制移动部分2的振动信号。当移动部分2的位移量超过规定值时，从移动部分2突出并布置在腿部72之间的突出部21与腿部72接触，以便释放腿部72和接触部件 9彼此。版权所有（C）2004，JPO

8. 发明专利

JP2002174563A SHAKER AND ATTACHMENT/DETACHMENT METHOD OF FILTER IN THE SHAKER 失效
公开(公告)号：JP2002174563A
公开(公告)日：2002-06-21
申请号：JP2000307799
申请日：2000-10-06
申请人： AKASHI CORP
发明人： SHIBATA TAKAHISA
IPC分类号： G01M7/02 , B06B1/04
摘要： PROBLEM TO BE SOLVED: To provide a shaker for preventing filth from entering the inside and at the same, time maintaining air-cooling performance without having to spend time and effort. SOLUTION: A paper filter 12 and a mounting section 11 are provided outside an inlet 107. The paper filter 12 forms a fiber structure, and captures oil, dust, and other filth in the air by fiber before filtering, when taking in air from the inlet 107. The mounting section 11 detachably fits the paper filter 12 to the inlet 107.

9. 发明专利

JP2001174362A VIBRATION TESTER 失效
公开(公告)号：JP2001174362A
公开(公告)日：2001-06-29
申请号：JP35959399
申请日：1999-12-17
申请人： AKASHI CORP
发明人： SHIBATA TAKAHISA , MATSUSHIRO MASARU
IPC分类号： G01M7/02
摘要： PROBLEM TO BE SOLVED: To provide a vibration tester capable of enlarging the maximum loading size of a sample while maintaining the vibration frequency to be tested in a high range. SOLUTION: Plural vibration units 2 formed by fitting a vibration base 2b to an oscillator 2a are arranged so that the vibration bases 2b can be moved in opposite directions. A sample is loaded so as to be stretched between the vibration bases 2b. With this structure, since dimension of the vibration base can be reduced in comparison with a conventional one, vibration frequency to be tested is maintained in a high range, while the maximum loading size of the sample can be enlarged.

10. 发明专利

JP2001083036A VIBRATION GENERATOR 失效
公开(公告)号：JP2001083036A
公开(公告)日：2001-03-30
申请号：JP26312999
申请日：1999-09-17
申请人： AKASHI CORP
发明人： SHIBATA TAKAHISA , OKAWA HARUIE
IPC分类号： B06B1/18 , G01M7/02
摘要： PROBLEM TO BE SOLVED: To miniaturize a vibration generator and make it portable. SOLUTION: This generator comprises a substrate 12 mounted on a base via a buffer member 16, a first stage 13 that is supported by an upper side face of the substrate 12 and reciprocates in the horizontal directions, a second stage 14 that is supported by an upper side face of the first stage 13 and reciprocates in the vertical direction and therewith supports a measured object, a hydraulic cylinder 19 which is fixed on the substrate 12 and therewith linked to the first stage 13, vibrating the first stage 13, a hydraulic cylinder 27 which is contained in each stage 13, 14 and therewith fixed to the first stage 13 to be linked to the second stage 14, vibrating the second stage 14 in the vertical direction.

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