There is disclosed a test device for testing high-pressure water tightness function of profiled components, comprising a toggle mechanism comprising a drive assembly and a toggle assembly, the toggle assembly comprising a mounting seat drivingly connected to the drive assembly and several toggle levers mounted to the mounting seat; and a carrier stage configured to carry components to be tested; wherein each toggle lever is provided with a carrier stage directly below the toggle lever, the toggle lever is selectively mated to the component to be tested on the carrier stage, and the drive assembly can reciprocally transmit power along the X-axis direction, and when the toggle lever is in a mating state with the component to be tested on the carrier stage, the toggle lever reciprocated linearly along the X-axis direction under driving of the drive assembly to toggle the component to be tested on the carrier stage.

There is disclosed a test device for testing high-pressure water tightness function of profiled components, comprising a toggle mechanism comprising a drive assembly and a toggle assembly, the toggle assembly comprising a mounting seat drivingly connected to the drive assembly and several toggle levers mounted to the mounting seat; and a carrier stage configured to carry components to be tested; wherein each toggle lever is provided with a carrier stage directly below the toggle lever, the toggle lever is selectively mated to the component to be tested on the carrier stage, and the drive assembly can reciprocally transmit power along the X-axis direction, and when the toggle lever is in a mating state with the component to be tested on the carrier stage, the toggle lever reciprocated linearly along the X-axis direction under driving of the drive assembly to toggle the component to be tested on the carrier stage.

There is disclosed a test device for testing high-pressure water tightness function of profiled components, comprising a toggle mechanism comprising a drive assembly and a toggle assembly, the toggle assembly comprising a mounting seat drivingly connected to the drive assembly and several toggle levers mounted to the mounting seat; and a carrier stage configured to carry components to be tested; wherein each toggle lever is provided with a carrier stage directly below the toggle lever, the toggle lever is selectively mated to the component to be tested on the carrier stage, and the drive assembly can reciprocally transmit power along the X-axis direction, and when the toggle lever is in a mating state with the component to be tested on the carrier stage, the toggle lever reciprocated linearly along the X-axis direction under driving of the drive assembly to toggle the component to be tested on the carrier stage.

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).

An actuator comprising a linear electrical machine (LEM) having a stator with a stator bore and a translator axially movable within the stator bore and defining a magnetic circuit airgap therebetween, at least one fluid bearing journal formed on the translator, at least one fluid bearing providing a bearing gap adjacent the translator to allow the translator to move axially within the stator bore, a preload chamber for applying a preload force to the translator, wherein the preload chamber is defined by a side wall, a first end wall and a second end wall at least part of which is movable with the translator, and wherein the bearing gap and the magnetic circuit airgap are coaxial.

An actuator comprising a linear electrical machine (LEM) having a stator with a stator bore and a translator axially movable within the stator bore and defining a magnetic circuit airgap therebetween, at least one fluid bearing journal formed on the translator, at least one fluid bearing providing a bearing gap adjacent the translator to allow the translator to move axially within the stator bore, a preload chamber for applying a preload force to the translator, wherein the preload chamber is defined by a side wall, a first end wall and a second end wall at least part of which is movable with the translator, and wherein the bearing gap and the magnetic circuit airgap are coaxial.

The present invention belongs to the technical field of oil field drilling, and relates to a ground testing device for a stabilized platform of a rotary steerable drilling tool. The ground testing device includes: a first supporting member and a second supporting member that are oppositely arranged, where the second supporting member is provided with a first mounting hole; a drill collar and a drill collar motor mounted outside the first supporting member, where a motor shaft of the drill collar motor penetrates the first supporting member and is connected to the drill collar, and a stabilized platform mounting assembly is arranged inside the drill collar; and a first vibration member connected to the drill collar and a second vibration member arranged in the first mounting hole in a sleeved manner, where an elastic member is arranged between the second vibration member and the second supporting member, and the elastic member is arranged on the second vibration member in a sleeving manner. An end portion of the first vibration member is provided with first vibration teeth, an end portion of the second vibration member is provided with second vibration teeth matching the first vibration teeth, and the second vibration member is provided with a first stop member which matches a second stop member arranged in the first mounting hole. According to the present invention, vibration, interference loading, and high-temperature simulation can be performed, and ground tests of different types of mechanical stabilized platforms are achieved.

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.

A support apparatus for a modal test and a using method thereof. The support apparatus includes: a suspension structure (1) configured to suspend a test unit (2); and a support structure disposed under the suspension structure (1) and configured to support the test unit (2). The suspension structure (1) and the support structure are matched to cause a stiffness of the support apparatus for a modal test to be zero. The support structure includes an anti-stiffness rhombus-shaped frame (4), a scalable sleeve, a horizontal elastic component (49), and a base (6). The scalable sleeve is connected to the anti-stiffness rhombus-shaped frame (4) and the base (6) respectively, and the horizontal elastic component (49) connects two diagonal points of the anti-stiffness rhombus-shaped frame (4).