CN216815748U

CN216815748U - Vibration testing device

Info

Publication number: CN216815748U
Application number: CN202220395330.5U
Authority: CN
Inventors: 蔡震; 陈浩; 吉俊文
Original assignee: Jiangsu Liangdian Photoelectric Technology Co ltd
Current assignee: Jiangsu Liangdian Photoelectric Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-24
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a vibration testing device, which comprises a laser, a detector and a spring, wherein the laser is arranged on the detector; the laser is arranged on a base, the base and the spring are both arranged on a bottom plate, the base is arranged on one end of the bottom plate, and the spring is arranged on the other opposite end of the bottom plate; the detector is arranged on the spring; the detector and the laser are oppositely arranged; the laser emits an emergent beam, and the emergent beam is incident to the detector; the bottom plate is arranged on equipment to be tested; the vibration of the equipment causes the spring to deform, the spring drives the detector to vibrate, and the detector detects the change of the light spot position. The vibration testing device can realize real-time monitoring of the vibration condition of mechanical equipment, provides powerful guidance for performance improvement of the mechanical equipment, has a simple structure, can be mounted at any position of the mechanical equipment, is beneficial to engineering and has low cost.

Description

Vibration testing device

Technical Field

The utility model relates to the technical field of laser testing, in particular to a vibration testing device.

Background

Mechanical devices are typically equipped with a number of moving parts that vibrate when the mechanical device is in operation. If the vibration exceeds a certain level, the normal operation of the equipment can be influenced. Therefore, real-time monitoring of the vibration of the mechanical equipment is needed to evaluate the vibration condition of the mechanical equipment, so as to facilitate better improvement of the stability of the mechanical equipment during operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide a vibration testing apparatus; the vibration testing device can realize real-time monitoring of the vibration condition of mechanical equipment, provides powerful guidance for performance improvement of the mechanical equipment, has a simple structure, can be mounted at any position of the mechanical equipment, is beneficial to engineering and has low cost.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

a vibration testing device comprises a laser, a detector and a spring; the laser is arranged on a base, the base and the spring are both arranged on a bottom plate, the base is arranged on one end of the bottom plate, and the spring is arranged on the other opposite end of the bottom plate; the detector is arranged on the spring; the detector and the laser are oppositely arranged; the laser emits an emergent beam, and the emergent beam is incident to the detector; the bottom plate is arranged on equipment to be tested; the vibration of the equipment causes the spring to deform, the spring drives the detector to vibrate, and the detector detects the change of the light spot position.

Further, the outgoing beam emitted by the laser is a parallel beam with a circular cross section.

Further, the wavelength of the laser is 808nm, and the diameter of the emitted emergent light beam is 1 mm.

Further, the base is a rigid base.

Furthermore, the distance between the detector and the laser is adjustable, and the distance between the detector and the laser can be adjusted according to different vibration test standards.

Further, the detector is a large target surface CCD or CMOS detector.

The utility model has the beneficial effects that:

the vibration testing device is arranged on equipment to be tested, a laser emits an emergent beam, and the emergent beam is incident to a detector; the vibration of equipment can make the spring produce the deformation, and the spring can drive the detector vibration, and the detector detects the change of facula position to carry out real-time supervision to the vibration condition of equipment.

The vibration testing device can realize real-time monitoring of the vibration condition of mechanical equipment, provides powerful guidance for performance improvement of the mechanical equipment, has a simple structure, can be mounted at any position of the mechanical equipment, is beneficial to engineering and has low cost.

Drawings

Fig. 1 is a schematic structural diagram of a vibration testing apparatus according to the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

A preferred embodiment of a vibration testing apparatus as shown in fig. 1, the vibration testing apparatus comprises a laser 1, a probe 2 and a spring 3; the laser 1 is arranged on a base 4, the base 4 and the spring 3 are both arranged on a bottom plate 5, wherein the base 4 is arranged on one end of the bottom plate 5, and the spring 3 is arranged on the other opposite end of the bottom plate 5; the detector 2 is arranged on the spring 3; the detector 2 and the laser 1 are oppositely arranged; the laser 1 emits an emergent beam, and the emergent beam is incident to the detector 2; the bottom plate 5 is provided with a mounting hole, and the whole vibration testing device can be mounted on equipment to be tested through the matching of the mounting hole and the connecting piece; the vibration of the equipment causes the spring 3 to deform, the spring 3 drives the detector 2 to vibrate, and the detector 2 detects the change of the light spot position.

The wavelength of the laser 1 is 808nm, the outgoing beam emitted by the laser 1 is a parallel beam with a circular cross section, and the diameter of the outgoing beam is 1 mm.

In this embodiment, the base 4 is a rigid base.

Wherein the distance between the detector 2 and the laser 1 is adjustable; in a specific working process, a worker can adjust the distance between the detector 2 and the laser 1 according to different vibration test standards.

The detector 2 is a large target surface CCD or CMOS detector; in this embodiment, the detector 2 is a large target surface CCD detector.

When the device works, a worker installs the vibration testing device at a certain position of equipment to be tested; in the operation process of the equipment, the laser 1 emits an emergent light beam, and the emergent light beam is incident to the detector 2; in the operation process, the equipment vibrates, the spring 3 vibrates and deforms under the vibration of the equipment, the detector 2 is driven to vibrate under the vibration deformation of the spring 3, the light spot position incident on the detector 2 changes, the detector 2 detects the change of the light spot position, monitored real-time change data of the light spot position can be transmitted to an external PC, and then the vibration condition in the operation process of the equipment can be obtained.

The vibration testing device can realize real-time monitoring of the vibration condition of the mechanical equipment, provides powerful guidance for performance improvement of the mechanical equipment, has a simple structure, can be mounted at any position of the mechanical equipment, is beneficial to engineering and has low cost.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A vibration testing device is characterized in that: the device comprises a laser, a detector and a spring; the laser is arranged on a base, the base and the spring are both arranged on a bottom plate, the base is arranged on one end of the bottom plate, and the spring is arranged on the other opposite end of the bottom plate; the detector is arranged on the spring; the detector and the laser are oppositely arranged; the laser emits an emergent beam, and the emergent beam is incident to the detector; the bottom plate is arranged on equipment to be tested; the vibration of the equipment causes the spring to deform, the spring drives the detector to vibrate, and the detector detects the change of the light spot position.

2. A vibration testing apparatus according to claim 1, wherein: the outgoing light beam emitted by the laser is a parallel light beam with a circular cross section.

3. A vibration testing apparatus according to claim 2, wherein: the wavelength of the laser is 808nm, and the diameter of the emitted emergent light beam is 1 mm.

4. A vibration testing apparatus according to claim 1, wherein: the base is a rigid base.

5. A vibration testing apparatus according to claim 1, wherein: the distance between the detector and the laser is an adjustable distance.

6. A vibration testing apparatus according to claim 1, wherein: the detector is a large target surface CCD or CMOS detector.