Laser performance test screen for laser axis detection

Abstract

The utility model relates to the technical field of axis detection, in particular to a laser performance test screen for laser axis detection. Comprising a target plate, a fixing rod and a connection adjusting assembly. The target plate is installed on the fixing rod, the connection adjusting assembly is arranged between the target plate and the fixing rod, and the connection adjusting assembly and the fixing rod form detachable connection and are used for adjusting the installation height and perpendicularity of the target plate on the fixing rod. The laser performance detection screen is simple in overall structure, easy to assemble and fix and capable of adapting to the field installation environment, the height and perpendicularity of the target plate are easy to adjust, and the whole detection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to axis detection technical field especially relates to a laser performance test screen for laser axis detection. BACKGROUND

[0002] The laser axis detection device is a device specially designed for evaluating and analyzing parallelism between axes, but the laser axis detection device currently used comprises a computer detection system of a detection vehicle, a V detector, a detection adapter, a laser performance test screen, a camera, a coupling cable and various equipment devices. When detecting, the user first aims the cross center of the sighting telescope at the aiming point on the laser performance test screen, and then emits laser, the laser beam emitted by the laser transmitter falls on the laser performance test screen to form a light spot, the camera captures the image of the light spot and converts it into an analog video signal sent to the V detector, which is sent to the computer detection system after processing, the computer detection system performs image recognition and analysis on the video signal to obtain the deviation amount of the laser axis relative to the aiming line and whether the light spot diameter meets the detection standard. The laser performance test screen used mainly has the following problems: the test screen target plate is difficult to install and fix when used in the field conditions, and the perpendicularity of the test screen is difficult to guarantee, and the test screen cannot provide a detection reference point, a precision scale line and a detection precision standard area ring during detection, resulting in that the detection result is not intuitive and cannot provide a reference for axis calibration. Therefore, it is urgent to solve.

[0003] The above content is only used to assist in understanding the technical scheme of the utility model and does not represent that the above content is the closest prior art. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to provide a laser performance test screen for laser axis detection, the laser performance detection screen whole structure is simple, easily assembles and fixes, can adapt to the installation environment of field, and easily adjusts the height and perpendicularity of target plate, promotes the precision of whole detection.

[0005] To achieve the purpose, the technical scheme of the utility model is realized as follows: a laser performance test screen for laser axis detection, comprising: a target plate, a fixing rod and a connecting and adjusting assembly; the target plate is installed on the fixing rod, the connecting and adjusting assembly is arranged between the target plate and the fixing rod, and the connecting and adjusting assembly and the fixing rod constitute detachable connection and are used for adjusting the installation height and perpendicularity of the target plate on the fixing rod.

[0006] Preferably, the connecting and adjusting assembly comprises an upper flat plate, a lower flat plate, height adjusting screws and fixing nuts; the fixing nuts are four in number and are in threaded connection with the shanks of the height adjusting screws, and two fixing nuts are arranged at the upper and lower ends of the height adjusting screws respectively; the upper flat plate and the lower flat plate are both provided with through holes through which the height adjusting screws pass, and the upper flat plate is located between the two fixing nuts at the upper end of the height adjusting screws, and the lower flat plate is located between the two fixing nuts at the lower end of the height adjusting screws; the target plate is clamped between the upper flat plate and the lower flat plate; and the bottom end of the height adjusting screw is in detachable connection with the top end of the fixing rod.

[0007] Preferably, the connecting and adjusting assembly further comprises an adjusting seat and a tightening nut; the top end of the adjusting seat is provided with a spherical groove, and the side wall of the spherical groove is provided with at least three notches in the vertical direction; the outer wall of the top end of the adjusting seat is provided with external threads; the tightening nut is in threaded connection with the outer wall of the top end of the adjusting seat; the bottom end of the height adjusting screw is provided with a spherical joint; and the spherical joint is in clamping connection with the spherical groove.

[0008] Preferably, the bottom end of the adjusting seat is provided with a connecting hole; and the top end of the fixing rod is in plug-in connection with the connecting hole.

[0009] Preferably, the upper flat plate is provided with an upper clamping groove, and the upper clamping groove is provided with an upper elastic abutting piece; the lower flat plate is provided with a lower clamping groove, and the lower clamping groove is provided with a lower elastic abutting piece; the top end of the target plate is in clamping connection with the upper clamping groove, and the bottom end of the target plate is in clamping connection with the lower clamping groove; and the upper elastic abutting piece and the lower elastic abutting piece are both in abutment with the back surface of the target plate.

[0010] Preferably, the front surface of the target plate is provided with a sighting cross line, a detection reference point, a detection precision scale line and a detection precision standard area ring.

[0011] Preferably, the front surface of the target plate is designed by adopting an aluminum alloy structure surface sand blasting, so that the laser can be diffusely reflected.

[0012] The beneficial effects of the utility model lie in:

[0013] (1) The laser performance detection screen provided by the utility model adopts an aluminum alloy structure, is lighter in weight, higher in strength and increased in durability; power supply does not need to be provided for the target plate during use, and use is more convenient; the sighting cross line, the detection precision scale line, the detection reference point and the detection precision standard area ring are sprayed on the target plate, the detection process is more intuitive, and the direction of axis calibration can be given according to the detection result.

[0014] (2) The laser performance detection screen provided by the utility model has a simple overall structure, is easy to assemble and fix, can adapt to the installation environment in the wild, and is easy to adjust the height and perpendicularity of the target plate, thereby improving the detection precision. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model connecting adjustment assembly;

[0017] Figure 3 It is a front view of the utility model fixed rod and adjustment seat after connecting;

[0018] Figure 4 It is a structural schematic view of the utility model target plate;

[0019] Figure 5 It is a structural schematic view of the utility model laser emitting device.

[0020] Mark explanation:

[0021] 10, target plate; 11, aiming cross line; 12, detection reference point; 13, detection precision standard area ring; 14, detection precision scale line; 21, upper flat plate; 211, upper clamping groove; 212, upper elastic abutting part; 22, lower flat plate; 221, lower clamping groove; 222, lower elastic abutting part; 23, height adjustment screw rod; 24, fixed nut; 25, spherical joint; 31, adjustment seat; 311, notch; 312, spherical groove; 313, connecting hole; 32, tightening nut; 41, fixed rod. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Embodiment

[0024] Referring to Figures 1-4 The utility model provides a kind of laser performance test screen for laser axis detection, including: target plate 10, fixed rod 41 and connecting adjustment assembly.

[0025] Aiming cross line 11, detection reference point 12, detection precision scale line 14 and detection precision standard area ring 13 are equipped on the front of target plate 10. The front of target plate 10 adopts aluminum alloy structure surface sandblasting design, so that laser can diffuse reflection, improve the precision of detection.

[0026] As Figures 4-5As shown, during detection, the user first aims the cross center of the small field of view of the photoelectric observer of the laser emitter device at the aiming cross line 11 on the target plate 10, and then the laser emitter emits laser, the laser beam emitted by the laser emitter falls on the target plate 10 to form a light spot, the camera captures the image of the light spot and converts it into an analog video signal which is sent to the V number detector, and after processing, it is sent to the computer detection system. The computer detection system performs image recognition and analysis on the video signal to obtain whether the laser axis detection precision and the light spot diameter meet the detection standard.

[0027] The fixed rod 41 is inserted on the ground in the field, the target plate 10 is installed on the fixed rod 41, and the connecting and adjusting assembly is arranged between the target plate 10 and the fixed rod 41, and the connecting and adjusting assembly and the fixed rod 41 constitute detachable connection, and are used for adjusting the installation height and perpendicularity of the target plate 10 on the fixed rod 41.

[0028] The connecting and adjusting assembly comprises an upper flat plate 21, a lower flat plate 22, a height adjusting screw 23 and a fixed nut 24.

[0029] Specifically, the upper flat plate 21 and the lower flat plate 22 are both provided with through holes through which the height adjusting screw 23 passes, and the upper flat plate 21 and the lower flat plate 22 are both sleeved on the height adjusting screw 23. The fixed nut 24 has four, and is in threaded connection with the rod body of the height adjusting screw 23, and two groups of fixed nuts 24 are respectively located at the upper and lower ends of the height adjusting screw 23, and the upper flat plate 21 is located between the two fixed nuts 24 at the upper end of the height adjusting screw 23, and the lower flat plate 22 is located between the two fixed nuts 24 at the lower end of the height adjusting screw 23. The target plate 10 is clamped between the upper flat plate 21 and the lower flat plate 22, and the bottom end of the height adjusting screw 23 and the top end of the fixed rod 41 constitute detachable connection.

[0030] Specifically, only the distance between the upper flat plate 21 and the lower flat plate 22 needs to be adjusted to adapt to target plates 10 of different sizes, and the height of the target plate 10 in the vertical direction can be adjusted by adjusting the position of the upper flat plate 21 and the lower flat plate 22 on the height adjusting screw 23, which is simple and convenient.

[0031] Further comprising an adjusting seat 31 and a tightening nut 32; the top end of the adjusting seat 31 is provided with a spherical groove 312, and the side wall of the spherical groove 312 is provided with at least three notches 311 in the vertical direction; the outer wall of the top end of the adjusting seat 31 is provided with external threads; the tightening nut 32 is in threaded connection with the outer wall of the top end of the adjusting seat 31; the bottom end of the height adjusting screw 23 is provided with a spherical joint 25; the spherical joint 25 is in clamping connection with the spherical groove 312. The bottom end of the adjusting seat 31 is provided with a connecting hole 313; the top end of the fixed rod 41 is in plug-in cooperation with the connecting hole 313.

[0032] In a specific application, the diameter of the spherical joint 25 is slightly larger than the inner diameter of the spherical groove 312, so that after the spherical joint 25 is installed in the spherical groove 312, the spherical joint 25 is clamped in the spherical groove 312 by rotating the tightening nut 32 to make the gap 311 on the side wall of the spherical groove 312 close. When it is necessary to adjust the perpendicularity of the height adjustment screw 23 in the vertical direction, the clamping between the spherical joint 25 and the spherical groove 312 is loosened by rotating the tightening nut 32, and then the height adjustment screw 23 can be adjusted in the horizontal direction.

[0033] The upper flat plate 21 is provided with an upper clamping groove 211, and the upper clamping groove 211 is provided with an upper elastic abutting piece 212. The lower flat plate 22 is provided with a lower clamping groove 221, and the lower clamping groove 221 is provided with a lower elastic abutting piece 222. The top end of the target plate 10 is clamped with the upper clamping groove 211, and the bottom end of the target plate 10 is clamped with the lower clamping groove 221; the upper elastic abutting piece 212 and the lower elastic abutting piece 222 are both abutted on the back surface of the target plate 10.

[0034] The upper elastic abutting piece 212 and the lower elastic abutting piece 222 are the same in structure, and are both composed of a spring and a T-shaped abutting rod. The spring is arranged in a hole in the side wall of the upper clamping groove 211 and the lower clamping groove 221, one end of the T-shaped abutting rod is inserted into the hole and connected with the spring, and the other end of the T-shaped abutting rod is abutted with the back surface of the target plate 10, so that the upper clamping groove 211 and the lower clamping groove 221 can clamp target plates 10 with different thicknesses, and daily assembly is facilitated.

[0035] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A laser performance test screen for laser axis detection, characterized in that The utility model relates to a target plate fixing device, including: Target plate (10), fixed rod (41) and connecting adjustment assembly, target plate (10) is installed on fixed rod (41), connecting adjustment assembly is arranged between target plate (10) and fixed rod (41), and connecting adjustment assembly and fixed rod (41) constitute detachable connection, and are used for adjusting the installation height and perpendicularity of target plate (10) on fixed rod (41).

2. A laser performance test screen for laser axis detection according to claim 1, characterized in that Connecting adjustment assembly includes upper flat plate (21), lower flat plate (22), height adjustment screw rod (23) and fixed nut (24), fixed nut (24) has four, and with the stem of height adjustment screw rod (23) constitutes threaded connection, and fixed nut (24) two in a group is located the upper and lower both ends of height adjustment screw rod (23) respectively, upper flat plate (21) and lower flat plate (22) are equipped with the through hole of height adjustment screw rod (23) on, and upper flat plate (21) is located between the two fixed nuts (24) of height adjustment screw rod (23) upper end, lower flat plate (22) is located between the two fixed nuts (24) of height adjustment screw rod (23) lower end, target plate (10) is clamped between upper flat plate (21) and lower flat plate (22), the bottom of height adjustment screw rod (23) and the top of fixed rod (41) constitute detachable connection.

3. A laser performance test screen for laser axis detection according to claim 2, characterized in that It further includes adjusting seat (31) and tightening nut (32), the top of adjusting seat (31) is equipped with spherical groove (312), and the sidewall of spherical groove (312) is equipped with at least 3 notches (311) along the vertical direction, the outer wall on the top of adjusting seat (31) is equipped with external thread, the tightening nut (32) and the outer wall on the top of adjusting seat (31) constitute threaded connection, the bottom of height adjustment screw rod (23) is equipped with spherical joint (25), the spherical joint (25) and spherical groove (312) constitute clamping.

4. A laser performance test screen for laser axis detection according to claim 3, characterized in that The bottom of adjusting seat (31) is equipped with connecting hole (313), the top of fixed rod (41) and connecting hole (313) constitute plug-in cooperation.

5. A laser performance test screen for laser axis detection according to claim 2 or 3 or 4, characterized in that Upper flat plate (21) is equipped with upper clamping groove (211), and upper elastic abutting member (212) is arranged in upper clamping groove (211), lower flat plate (22) is equipped with lower clamping groove (221), and lower elastic abutting member (222) is arranged in lower clamping groove (221), the top of target plate (10) and upper clamping groove (211) constitute clamping, the bottom of target plate (10) and lower clamping groove (221) constitute clamping, upper elastic abutting member (212) and lower elastic abutting member (222) all abut on the back of target plate (10).

6. A laser performance test screen for laser axis detection according to claim 5, characterized in that The front of target plate (10) is equipped with sighting cross line (11), detection reference point (12), detection precision scale line (14) and detection precision standard area ring (13).

7. A laser performance test screen for laser axis detection according to claim 5, characterized in that The front of target plate (10) adopts aluminum alloy structure surface sand blasting.

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