CN219914824U - Laser instrument testing platform - Google Patents

Laser instrument testing platform Download PDF

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Publication number
CN219914824U
CN219914824U CN202321284217.0U CN202321284217U CN219914824U CN 219914824 U CN219914824 U CN 219914824U CN 202321284217 U CN202321284217 U CN 202321284217U CN 219914824 U CN219914824 U CN 219914824U
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CN
China
Prior art keywords
laser
mounting seat
end mounting
base
impact
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CN202321284217.0U
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Chinese (zh)
Inventor
郭志宏
王磊
石锦
王贵东
黄丹丹
王启
张萌
赵晨阳
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Chengdu Rail Transit Industrial Technology Research Institute Co ltd
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Chengdu Rail Transit Industrial Technology Research Institute Co ltd
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Priority to CN202321284217.0U priority Critical patent/CN219914824U/en
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Abstract

The utility model discloses a laser detection platform, which comprises a base, and a laser emitting end mounting seat and a laser receiving end mounting seat which are oppositely arranged on the base; a fixed plate for installing a laser to be tested is fixed on the laser emission end mounting seat, and an impact target is arranged on one side of the fixed plate away from the laser receiving end mounting seat; the impact hammer is used for impacting the impact target; the laser receiver is arranged on the laser receiving end mounting seat, and the laser receiver can move on the horizontal plane in a direction perpendicular to and parallel to the laser emitted by the laser to be detected. The utility model has strong adaptability and is suitable for quality detection of point lasers and line lasers; the geometrical shape measurement of the laser beam can be completed; the coaxiality measurement of the laser can be completed; the laser shock resistance test can be completed.

Description

Laser instrument testing platform
Technical Field
The utility model relates to a platform for detecting the quality of a laser.
Background
With the development of modern science and technology, the non-contact detection technology gradually becomes the most important means and method of the modern detection technology, and the non-contact measurement technology using laser and PSD in a matched manner appears. The PSD is a unique semiconductor photoelectric device based on the longitudinal photoelectric effect of PN junction or Schottky junction, so that the PSD can reflect the intensity of incident light and the position change of the input light on a PSD detection chip. The laser-PSD system has high resolution and high real-time performance, and is widely applied to the fields of precision part size detection, vibration detection, displacement detection and the like.
The laser is used as a key device of a laser-PSD system, has great influence on the detection precision of the system and the quality of a measured signal, such as the light intensity and stability of the laser, the spot diameter of point laser, the line width and thickness of line laser, coaxiality and the like. The vibration detection field also needs to ensure the vibration resistance of the laser. When a precision measuring instrument based on a laser-PSD detection principle is produced, the quality of a laser device is detected firstly so as to ensure the detection precision of the detecting instrument.
Chinese patent CN217765250U discloses a laser beam parameter measurement device, including bottom plate and slide rail, sliding connection has first connecting plate and second connecting plate on the slide rail, is equipped with the facula detection assembly on the first connecting plate, is equipped with beam focusing assembly, beam transmission subassembly, laser power measurement subassembly and laser pulse measurement subassembly on the second connecting plate in proper order, and beam transmission subassembly, laser power measurement subassembly and laser pulse measurement subassembly's light beam entry all perpendicular slide rail axis and are located slide rail axis homonymy, and beam transmission subassembly's light beam export is towards facula detection assembly one side. The measuring device integrates the spot detection assembly, the beam focusing assembly, the beam transmission assembly, the laser power measuring assembly and the laser pulse measuring assembly, and can perform qualitative and quantitative measurement on spot quality, laser power and laser pulse.
However, the laser beam parameter measuring device only detects the quality of the light spot quality, the laser power and the laser pulse of the laser emitted by the laser, but cannot detect the anti-seismic performance of the laser, and has a missing function.
Disclosure of Invention
In view of this, the present utility model provides a laser detection platform that can detect not only parameters of a laser beam itself but also shock resistance of a laser.
In order to solve the technical problems, the technical scheme of the utility model is that the laser detection platform comprises a base, and a laser emitting end mounting seat and a laser receiving end mounting seat which are oppositely arranged on the base;
a fixed plate for installing a laser to be tested is fixed on the laser emission end mounting seat, and an impact target is arranged on one side of the fixed plate away from the laser receiving end mounting seat; the impact hammer is used for impacting the impact target;
the laser receiver is arranged on the laser receiving end mounting seat, and the laser receiver can move on the horizontal plane in a direction perpendicular to and parallel to the laser emitted by the laser to be detected.
As an improvement, the fixing plate is provided with a mounting hole for fixing the laser; and an adjusting bolt extending into the mounting hole from the top and side. The inclination angle of the laser and the angle of the horizontal direction can be adjusted by the adjusting bolt.
As a further improvement, the impact target is fixed on the base; the fixing plate is provided with a vertical long hole and is fixed on the impact target by a bolt. The fixing plate can adjust the position in the vertical direction, so that the position in the vertical direction of the laser is adjusted.
As another further improvement, the device also comprises an elastic component for driving the impact hammer to move forwards to impact the impact target, and the elastic component is used for exciting the impact hammer, so that the convenience is improved.
As an improvement, a vertical plate is arranged behind the impact target, and a sliding hole is formed in the vertical plate; the impact hammer comprises a hammer rod and a hammer head arranged at the front end of the hammer rod; the elastic component is a spring sleeved on the hammer rod and abutted between the hammer head and the vertical plate.
As an improvement, a locating groove is formed in the laser emission end mounting seat, and a screw hole is formed in the locating groove. And positioning and mounting the impact target through the positioning groove.
As an improvement, a sliding table I is arranged on the laser receiving end mounting seat, a sliding table II is arranged on the sliding table I, and the laser receiver is fixed on the sliding table II; one of the sliding table I and the sliding table II can move along the direction perpendicular to the laser emitted by the laser to be tested, and the other can move along the direction parallel to the laser emitted by the laser to be tested.
As an improvement, the laser receiving end mounting seat is provided with an L-shaped step for positioning. And positioning and installing the sliding table I.
As an improvement, the base is square cylindrical, and the laser emitting end mounting seat and the laser receiving end mounting seat are arranged on the top surface of the base; the bottom of the base is provided with supporting feet.
As an improvement, the bottom of the base is also provided with a pressing plate, and the base is fixed on the tabletop through an installation clamp acting on the pressing plate.
The utility model has the advantages that:
1. the adaptability is strong: the method is suitable for quality detection of point lasers and line lasers;
2. the geometrical shape measurement of the laser beam can be completed;
3. the coaxiality measurement of the laser can be completed;
4. the laser shock resistance test can be completed;
5. the inspection platform is convenient to operate and use.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a structural diagram of the base.
The marks in the figure: 1 base, 2 laser receiver, 3 slip table II, 4 keysets, 5 slip table I, 6 clamp plates, 7 installation clamps, 8 laser instrument, 9 fixed plates, 10 jump bit, 11 springs, 12 riser, 13 impact target, 14 adjusting bolt, 15 adjusting bolt, 16 slot holes, 17 supporting legs, 18 laser emission end mount pad, 19 laser receiving end mount pad.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the following specific embodiments.
As shown in fig. 1 and 2, the utility model comprises a base 1, and a laser emitting end mounting seat 18 and a laser receiving end mounting seat 19 which are oppositely arranged on the base.
Specifically, the base 1 is in a horizontal square column shape, and the laser emitting end mounting seat 18 and the laser receiving end mounting seat 19 are arranged on the top surface of the base 1; the bottom of the base 1 is provided with supporting feet 17. For better fixing on the tabletop, the bottom of the base 1 is also provided with a pressing plate 6, and the base 1 is fixed on the tabletop through a mounting clamp 7 acting on the pressing plate 6.
A fixed plate 9 for mounting the laser 8 to be tested is fixed on the laser emission end mounting seat 18, and an impact target 13 is arranged on one side of the fixed plate 9 away from the laser receiving end mounting seat 18; also included is an impact hammer 10 for striking an impact target 13.
For convenient adjustment, the fixing plate 9 is provided with a mounting hole for fixing the laser 8; also included are adjusting bolts 14 and 15 extending into the mounting holes from the top and sides to effect adjustment of the tilt angle and horizontal angle. The impact target 13 is fixed on the base 1; the fixing plate 9 is provided with a vertical long hole 16 and is fixed on the impact target 13 by a bolt, thereby realizing the adjustment in the vertical direction.
In addition, an elastic member for driving the impact hammer 10 to move forward to impact the impact target is further included, and the impact hammer is more conveniently excited by the elastic member. The concrete structure is that a vertical plate 12 is arranged behind the impact target 13, and a sliding hole is formed in the vertical plate 12; the impact hammer 10 comprises a hammer rod and a hammer head arranged at the front end of the hammer rod; the elastic component is a spring 11 sleeved on the hammer rod and abutted between the hammer head and the vertical plate 12. To facilitate the excitation of the hammer 10, the rear end of the hammer rod is provided with a pull handle.
In order to facilitate positioning and installation, the laser emission end mounting seat 18 is provided with a positioning groove, and a screw hole is arranged in the positioning groove.
The laser receiver 2 is mounted on the laser receiver mounting seat 19, and the laser receiver 2 can move on a horizontal plane vertically and parallel to the direction of the laser light emitted by the laser 8 to be tested. In this embodiment, a sliding table I3 is installed on the laser receiving end installation seat 19, a sliding table II5 is installed on the sliding table I3, and an adapter plate 4 is disposed between the sliding table I3 and the sliding table II 5. The laser receiver 2 is fixed on the sliding table II 5; one of the sliding table I3 and the sliding table II5 can move along the direction perpendicular to the laser light emitted by the laser 8 to be tested, and the other can move along the direction parallel to the laser light emitted by the laser 8 to be tested.
For convenient positioning and installation, the laser receiving end mounting seat 19 is provided with an L-shaped step for positioning.
When the laser device to be detected works, the laser device to be detected is inserted 8 into the mounting hole of the fixing plate 9, the inclination angle of the laser device is adjusted through the adjusting bolt 14, and the angle of the laser device in the horizontal direction is adjusted through the adjusting bolt 15. While the fixing plate 9 is adjusted to a proper height. The position of the laser receiver 2 is then adjusted by means of the slide I3 and the slide II 5. So that the laser energy excited by the laser 8 falls onto the laser receiver 2.
The impact hammer 10 is pulled backward by the pull handle, and then the pull handle is released. The impact hammer 10 impacts the impact target 13 under the action of the spring 11, thereby vibrating the laser 8. The PSD sensing chip on the laser receiver 2 measures the displacement change after laser impact, calculates the time and amplitude of vibration, and detects the shock resistance of the laser 8.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the utility model, and the scope of the utility model should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (10)

1. The utility model provides a laser instrument testing platform which characterized in that: the device comprises a base, and a laser transmitting end mounting seat and a laser receiving end mounting seat which are oppositely arranged on the base;
a fixed plate for installing a laser to be tested is fixed on the laser emission end mounting seat, and an impact target is arranged on one side of the fixed plate away from the laser receiving end mounting seat; the impact hammer is used for impacting the impact target;
the laser receiver is arranged on the laser receiving end mounting seat, and the laser receiver can move on the horizontal plane in a direction perpendicular to and parallel to the laser emitted by the laser to be detected.
2. A laser inspection platform according to claim 1, wherein: the fixing plate is provided with a mounting hole for fixing the laser; and an adjusting bolt extending into the mounting hole from the top and side.
3. A laser inspection platform according to claim 1, wherein: the impact target is fixed on the base; the fixing plate is provided with a vertical long hole and is fixed on the impact target by a bolt.
4. A laser inspection platform according to claim 1, wherein: and the elastic component is used for driving the impact hammer to move forwards to impact the impact target.
5. The laser detection platform of claim 4, wherein: a vertical plate is arranged behind the impact target, and a sliding hole is formed in the vertical plate; the impact hammer comprises a hammer rod and a hammer head arranged at the front end of the hammer rod; the elastic component is a spring sleeved on the hammer rod and abutted between the hammer head and the vertical plate.
6. A laser inspection platform according to claim 1, wherein: the laser emission end mounting seat is provided with a positioning groove, and a screw hole is arranged in the positioning groove.
7. A laser inspection platform according to claim 1, wherein: the laser receiving end mounting seat is provided with a sliding table I, the sliding table I is provided with a sliding table II, and the laser receiver is fixed on the sliding table II; one of the sliding table I and the sliding table II can move along the direction perpendicular to the laser emitted by the laser to be tested, and the other can move along the direction parallel to the laser emitted by the laser to be tested.
8. A laser inspection platform according to claim 1, wherein: the laser receiving end mounting seat is provided with an L-shaped step for positioning.
9. A laser inspection platform according to claim 1, wherein: the base is square cylindrical, and the laser transmitting end mounting seat and the laser receiving end mounting seat are arranged on the top surface of the base; the bottom of the base is provided with supporting feet.
10. A laser inspection platform according to claim 9, wherein: the bottom of the base is also provided with a pressing plate, and the base is fixed on the tabletop through an installation clamp acting on the pressing plate.
CN202321284217.0U 2023-05-25 2023-05-25 Laser instrument testing platform Active CN219914824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321284217.0U CN219914824U (en) 2023-05-25 2023-05-25 Laser instrument testing platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321284217.0U CN219914824U (en) 2023-05-25 2023-05-25 Laser instrument testing platform

Publications (1)

Publication Number Publication Date
CN219914824U true CN219914824U (en) 2023-10-27

Family

ID=88427789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321284217.0U Active CN219914824U (en) 2023-05-25 2023-05-25 Laser instrument testing platform

Country Status (1)

Country Link
CN (1) CN219914824U (en)

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