The present invention discloses a horizontal axial angular vibration device, comprising a base; a moving component, at least comprising a table surface for disposing a test equipment and a main shaft connected to the table surface to drive the table surface to rotate; a driving component, associated with the table surface and/or main shaft to drive the table surface to swing around the axis of the main shaft; the axis of the main shaft is horizontally disposed.

There is provided a vibration test support network system that connects a plurality of vibration test devices via a network and supports maintenance of vibration test devices and stabilization of accuracy of the vibration test through analysis of self-diagnosis information by the vibration test devices. A vibration test support network system 300 includes a plurality of vibration test devices 200, a network 210 connecting the plurality of vibration test devices 200, and an analysis device 220 connected to the network 210 and configured to transmit and receive information to and from the plurality of vibration test devices 200 via the network 210. The information includes at least any of: self-diagnosis information generated by the vibration test device 200; remote diagnosis information generated by the analysis device 220; maintenance information related to updates, maintenance, or support of the vibration test device 200; or vibration test information related to vibration tests performed on the vibration test device 200.

There is provided a vibration test support network system that connects a plurality of vibration test devices via a network and supports maintenance of vibration test devices and stabilization of accuracy of the vibration test through analysis of self-diagnosis information by the vibration test devices. A vibration test support network system 300 includes a plurality of vibration test devices 200, a network 210 connecting the plurality of vibration test devices 200, and an analysis device 220 connected to the network 210 and configured to transmit and receive information to and from the plurality of vibration test devices 200 via the network 210. The information includes at least any of: self-diagnosis information generated by the vibration test device 200; remote diagnosis information generated by the analysis device 220; maintenance information related to updates, maintenance, or support of the vibration test device 200; or vibration test information related to vibration tests performed on the vibration test device 200.

Provided is a jig for a vibration test of a stator vane, for use in the vibration test for evaluating high cycle fatigue characteristics of the stator vane, and the jig is provided with a base plate that is fixed onto an excitation table of a shaker, a first fixed wall that is fixed onto the base plate in a state where a vane root end portion of a guide vane is fixed, a movable wall that is slidably placed on the base plate in a state where a vane tip portion of the guide vane is fixed, a second fixed wall that is fixed onto the base plate, and a hydraulic jack that is disposed between the movable wall and the second fixed wall, to apply a load in the span direction to the guide vane. Consequently, in the vibration test for evaluating the high cycle fatigue characteristics of the stator vane, the test simulating an actual operation state can be carried out, and an assumed deformed state can be exhibited in the stator vane to be subjected to the test.

Provided is a jig for a vibration test of a stator vane, for use in the vibration test for evaluating high cycle fatigue characteristics of the stator vane, and the jig is provided with a base plate that is fixed onto an excitation table of a shaker, a first fixed wall that is fixed onto the base plate in a state where a vane root end portion of a guide vane is fixed, a movable wall that is slidably placed on the base plate in a state where a vane tip portion of the guide vane is fixed, a second fixed wall that is fixed onto the base plate, and a hydraulic jack that is disposed between the movable wall and the second fixed wall, to apply a load in the span direction to the guide vane. Consequently, in the vibration test for evaluating the high cycle fatigue characteristics of the stator vane, the test simulating an actual operation state can be carried out, and an assumed deformed state can be exhibited in the stator vane to be subjected to the test.

A shaking unit for the generation of one-dimensional oscillating movements of a machine part mass is provided having a coupling part for mechanical coupling to the machine part mass, a counter-mass which is coupled resiliently to the coupler part and, via the latter, to the machine part mass, and a drive system which acts in a sprung manner between the coupler part and the counter-mass. The coupling part may surround the counter-mass as a frame. At least one of two pneumatic springs of the drive system, which are arranged on both sides of the counter-mass, is loaded with a minimum and/or with a maximum load pressure of the pneumatic springs depending on an oscillation state.

A shaking unit for the generation of one-dimensional oscillating movements of a machine part mass is provided having a coupling part for mechanical coupling to the machine part mass, a counter-mass which is coupled resiliently to the coupler part and, via the latter, to the machine part mass, and a drive system which acts in a sprung manner between the coupler part and the counter-mass. The coupling part may surround the counter-mass as a frame. At least one of two pneumatic springs of the drive system, which are arranged on both sides of the counter-mass, is loaded with a minimum and/or with a maximum load pressure of the pneumatic springs depending on an oscillation state.

There is provided a vibration test device capable of accurately performing self-diagnosis related to the state of the vibration test device, including a failure determination, a failure prediction, and a performance limit determination of the vibration test device. A vibration test device 200 including a shaker 100 configured to shake a shaker table 48, includes: a drive controller 120 configured to control drive of the shaker 100 by controlling current and voltage applied to the shaker 100; a current detector 171 configured to detect the current that controls vibration of the shaker 100; a voltage detector 172 configured to detect the voltage that controls vibration of the shaker 100; a motion detector 135 configured to detect physical quantities related to a motion of the shaker table 48; and a determiner 134 configured to perform a determination related to a state of the vibration test device 200, including a failure determination, a failure prediction, and a performance limit determination, based on detection signals from the current detector 171, the voltage detector 172, and the motion detector 135.

There is provided a vibration test device capable of accurately performing self-diagnosis related to the state of the vibration test device, including a failure determination, a failure prediction, and a performance limit determination of the vibration test device. A vibration test device 200 including a shaker 100 configured to shake a shaker table 48, includes: a drive controller 120 configured to control drive of the shaker 100 by controlling current and voltage applied to the shaker 100; a current detector 171 configured to detect the current that controls vibration of the shaker 100; a voltage detector 172 configured to detect the voltage that controls vibration of the shaker 100; a motion detector 135 configured to detect physical quantities related to a motion of the shaker table 48; and a determiner 134 configured to perform a determination related to a state of the vibration test device 200, including a failure determination, a failure prediction, and a performance limit determination, based on detection signals from the current detector 171, the voltage detector 172, and the motion detector 135.

A dynamic characteristic measurement device of the present invention includes magnetic force generators (1a, 1b, 2a, 2b) arranged on the back surface side of impellers (4, 5), the magnetic force generators that oscillate the impellers (4, 5) with magnetic force, an oscillation controller (12) that drives these magnetic force generators, and vibration sensors (13, 14) that detect vibration of a rotation shaft (3). The dynamic characteristic measurement device further includes an arithmetic device (16) that calculates a dynamic characteristic of a rotor (6) by implementing a frequency analysis and a mode analysis based on an oscillation signal from the oscillation controller (12) and a vibration signal from the vibration sensors (13, 14).