Double-table vibration test device
A technology of vibration test and vibration plate, which is applied in the direction of vibration test, measuring device, machine/structural component test, etc. It can solve the problems of troublesome repair and maintenance of double vibration test devices, low spring fatigue strength and fragile elastic force, etc. Achieve the effects of avoiding equipment loss, improving strength and stability, and stabilizing amplitude
Pending Publication Date: 2021-12-17
SOUTHWEST COMP
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Problems solved by technology
[0003] The existing double-stage vibration test device generally uses springs as the vibration generating mechanism, but the spring has the problems of low fatigue strength, fragile elastic force and inconvenient replacement, which will cause the existing double-stage vibration test device to repair and maintain very troublesome
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] see Figure 1-Figure 6 As shown, the present invention provides the following technical solutions: a double-stage vibration test device, comprising a pedestal 1, a platen 2, a top plate 4, a motor 31 and a vibration assembly 7, the output end of the motor 31 is rotatably connected to a rotating shaft 11, and the rotating shaft 11 The outer peripheral wall is covered with a cam 12, and the vibrating assembly 7 includes a vibrating plate 71 in movable con...
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The invention discloses a double-table vibration test device which is characterized in that the device comprises a pedestal, a table plate, a top plate, a motor and a vibration assembly; the output end of the motor is rotatably connected with a rotating shaft; the outer circumferential wall of the rotating shaft is sleeved with cams; and the vibration assembly comprises a vibration plate which is in movable contact with the cams, a connecting seat which is arranged above the vibration plate, a second spring plate which is fixed on the bottom wall of the table plate, and a telescopic rod which is arranged on the top wall of the second spring plate. The invention specifically relates to the technical field of vibration test devices. According to the double-table vibration test device, the rotation speeds of the two cams are adjusted, the cams can make movable contact with the vibration plate, the vibration plate can make movable contact with the top plate, the test device is fixed into a storage groove through a fixing assembly, and then a vibration test of the device can be carried out. Compared with equipment with a spring as a vibration generating device, the equipment with the cams as vibration generating devices has the advantages of being small in vibration loss, stable in amplitude and high in stability.
Description
technical field [0001] The invention belongs to the technical field of vibration test devices, and in particular relates to a double-stage vibration test device. Background technique [0002] The reciprocating motion of an object or particle relative to its equilibrium position is called vibration. Vibration is divided into sinusoidal vibration, random vibration, compound vibration, scanning vibration and fixed frequency vibration. The main parameters describing vibration are: amplitude and acceleration. Vibration test includes response measurement, dynamic characteristic parameter determination, load identification and vibration environment test. [0003] The existing dual-stage vibration test device generally uses springs as the vibration generating mechanism, but the spring has the problems of low fatigue strength, fragile elastic force, and inconvenient replacement, which will make the repair and maintenance of the existing dual-stage vibration test device very trouble...
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IPC IPC(8): G01M7/02
CPCG01M7/022G01M7/025G01M7/027
Inventor 陈虹张志强吴桂升
Owner SOUTHWEST COMP