CN115548856B - Direction-adjustable laser emission light source, adjusting method thereof and optical instrument - Google Patents

Abstract

The invention belongs to the technical field of optical instruments, and specifically relates to a pointing-adjustable laser emitting light source, an adjustment method thereof, and an optical instrument, which overcomes the problem that the pointing angle between individual laser emitting modules in the existing array laser light source is difficult to adjust. The light source specifically includes a housing, a plurality of adjustment sleeves located in the housing, a laser emitting module located in each adjustment sleeve, and multiple sets of adjustment screw assemblies matched with the housing; by adjusting each set of adjustment screw assemblies, it can Realize rapid adjustment of the pointing of each laser emission module, which can meet the needs of various working conditions for light sources. The optical instrument is an optical instrument with an adjustable laser emitting light source.

Description

A laser emitting light source with adjustable pointing, its adjustment method and optical instrument

technical field

The invention belongs to the technical field of optical instruments, and in particular relates to a pointing-adjustable laser emitting light source, an adjustment method thereof, and an optical instrument with the light source.

Background technique

With the rapid development of science and technology, the application of laser measurement technology is becoming more and more extensive. Optical instruments such as lidar and laser tracker have developed rapidly in large-scale three-dimensional shape measurement, high-precision attitude and distance measurement technology. Such instruments often use an array laser emitting light source as the light source. The conventional array laser emitting light source is often fixed in direction. If the pointing needs to be adjusted, it is generally realized by placing it on the turntable mechanism, but this method can only realize the array laser light source. The overall pointing of the light source changes, and it is difficult to adjust the pointing angle between the individual laser emitting modules in the array laser light source, which makes it difficult to apply the corresponding laser radar and laser tracker when there are specific requirements for the pointing angle of a single laser emitting module working conditions, poor versatility.

Contents of the invention

In order to overcome the problem that the pointing angle between the individual laser emitting modules in the existing array laser light source is difficult to adjust, the present invention provides a laser emitting light source with adjustable pointing and its adjustment method and an optical instrument with the light source, which can realize Among them, the pointing adjustment of a single laser emitting module and the quick adjustment of the pointing angle between each laser emitting module can meet the needs of various working conditions for the light source.

Technical scheme of the present invention is:

A laser emitting light source with adjustable pointing, which is special in that it includes a housing, n adjustment sleeves located in the housing, a laser emitting module located in each adjustment sleeve, and n sets of Adjust the screw assembly; wherein n is an integer greater than or equal to 1;

n light outlets are opened on the top of the housing;

The adjustment sleeve is barrel-shaped, n adjustment sleeves are arranged in the housing, and the bottom of the adjustment sleeve is connected to the bottom of the housing through a ball hinge, and the opening end of the adjustment sleeve corresponds to the light outlet one by one, facing the light outlet;

The above-mentioned laser emitting module is fixedly installed in the adjusting sleeve, and the optical axis of the laser emitting module is parallel to or coincides with the axial center line of the adjusting sleeve, and the light output end of the laser emitting module faces the opening end of the adjusting sleeve;

Each set of adjustment screw assemblies cooperates with the housing to realize the two-degree-of-freedom pointing adjustment of each laser emission module; each set of adjustment screw assemblies includes at least two first adjustment screws and at least two second adjustment screws, and the two first adjustment screws One end passes through the side wall of the housing respectively, so that the adjustment sleeve is located between the two first adjustment screws, and the x-direction of the laser emission module is realized by adjusting the two first adjustment screws to squeeze both sides of the adjustment sleeve along the x direction Adjustment;

One ends of the above two second adjusting screws pass through the side wall of the housing respectively, and the ends of the two second adjusting screws are respectively in contact with both sides of the adjusting sleeve along the y direction, and screwed into the housing by adjusting the two second adjusting screws The length realizes the y-direction adjustment of the laser emission module.

Further, the above-mentioned first adjusting screw is divided into three sections, which are respectively an optical axis section, a tapered axis section and a threaded axis section;

The optical axis section of one of the first adjusting screw in each set of adjusting screw assemblies passes through the first side wall of the housing and connects with the second side wall, the tapered shaft section is located inside the housing, and the threaded shaft section is connected to the first side of the housing The wall is threadedly connected; the optical axis section of the other first adjusting screw in each group of adjusting screw assemblies passes through the second side wall of the housing and is connected with the first side wall, the tapered shaft section is located inside the housing, and the threaded shaft section is connected to the first side wall The second side wall of the housing is threaded;

The two first adjusting screws in each set of adjusting screw assemblies are used together to adjust the screwing depth of the threaded shaft, and the tapered shaft sections move in the same direction to squeeze the opposite sides of the adjusting sleeve to realize the x-direction adjustment of the laser emitting module.

Further, the adjustment sleeve is provided with two attitude adjustment edges, and the attitude adjustment edges are fixed on the outer walls of the opposite sides of the adjustment sleeve and extend axially along the adjustment sleeve; An adjustment screw is used together to adjust the screw-in depth of the threaded shaft section, and the tapered shaft section moves in the same direction to squeeze the attitude adjustment edges on the opposite sides of the adjustment sleeve to realize the x-direction adjustment of the laser emitting module.

Further, the above-mentioned spherical joint is a spherical structure;

The bottom of the housing is provided with n step holes corresponding to the adjustment sleeve one by one;

The bottom of the adjustment sleeve is installed at the big end of the step hole, and there is a gap between the bottom of the step hole and the wall at the big end of the step hole;

The above-mentioned ball hinge is installed on the small end of the above-mentioned step hole, the bottom surface of the ball gap is close to the bottom plane of the adjustment sleeve, and the adjustment sleeve and the ball hinge are fixed by screws; under the action of external force, the ball hinge can rotate in the small end of the step hole.

Further, in order to facilitate assembly, the above-mentioned housing is composed of three parts, namely a cover plate, a body and a pressure plate; the above-mentioned cover plate is set on the top of the body, and the above-mentioned pressure plate is fixed on the bottom of the body; the above-mentioned light outlet is opened on the cover plate; n adjustment sleeves are equally spaced in the body; the above-mentioned step holes are opened at the bottom of the body;

The above-mentioned pressure plate is provided with a through hole that matches the small end of the step hole at the bottom of the body one by one, and cooperates with the small end of the step hole at the bottom of the body to form a ball hinge installation hole. The wall shape of the ball hinge installation hole is the first ball hinge. The hinge matching arc surface is matched with the spherical surface of the ball hinge; the ball hinge is installed in the installation hole of the ball hinge.

Further, the surface of the spherical hinge opposite to the bottom surface of the spherical segment is a plane.

Further, the adjustment sleeve is provided with an auxiliary mounting flange, which is used to fix the adjustment sleeve on the housing after the pointing adjustment is completed; the upper end surface of the main body is provided with a tightening threaded hole, which can be tightened after the attitude adjustment is completed. The set screw tightens the first adjusting screw rod and the second adjusting screw rod.

In order to further ensure the synchronous movement of the laser emission module and the adjustment sleeve, the adjustment sleeve is provided with multiple laser emission module fixing holes, and the laser emission module inside is fixed by injecting glue through the laser emission module fixing holes; or through The set screw passes through the fixing hole of the laser emitting module to press and fix the laser emitting module inside; the above-mentioned adjustment sleeve is provided with a hole for the power cord of the laser emitting module to pass through.

The present invention also provides a method for adjusting the above-mentioned pointing-adjustable laser emitting light source, which is special in that it includes performing x-direction adjustment and/or y-direction adjustment on any laser emitting module;

The x-direction adjustment includes the following steps:

Step a1, open the top of the casing;

Step a2, the two second adjusting screws in the same group of adjusting screw components corresponding to the laser emitting module are rotated outward until the contact surface of the second adjusting screw and the adjusting sleeve is separated;

Step a3, adjusting the two first adjustment screws in the same group of adjustment screw components corresponding to the laser emission module to move in the same direction at the same time, so as to realize the x-direction adjustment of the laser emission module;

Step a4, judging whether the x-direction of the laser emission module meets the setting requirements, if so, execute step a5, otherwise, return to step a3;

Step a5, adjust the two second adjustment screws and move the top-tight adjustment sleeve at the same time, and install the top of the housing;

The y-direction adjustment includes the following steps:

Step b1, opening the top of the casing;

Step b2, the two first adjusting screws in the same group of adjusting screw components corresponding to the laser emitting module are rotated outward until the first adjusting screw is separated from the contact surface of the adjusting sleeve;

Step b3, adjusting the two second adjusting screws in the same group of adjusting screw components corresponding to the laser emitting module to rotate in reverse directions at the same time, so as to realize the y-direction adjustment of the laser emitting module;

Step b4, judging whether the y-direction of the laser emitting module meets the setting requirements, if so, execute step b5, otherwise, adjust the two first adjustments in the same group of screw assemblies corresponding to the laser emitting module (3) Screw rod (6) continues to rotate outwards, returns to step b3;

Step b5, adjust the two first adjusting screws and move the adjusting sleeve tightly at the same time, and install the top of the housing.

The present invention also provides an optical instrument with the above-mentioned point-adjustable laser emitting light source.

The beneficial effects of the present invention are:

1. The present invention fixes each laser module in the adjustment sleeve, adjusts the position and posture of the adjustment sleeve based on the adjustment screw assembly, drives the laser module through the adjustment sleeve, and realizes the pointing adjustment of each laser module, making the adjustment structure more accurate. It is simple and has little impact on the performance of the laser module.

2. The bottom of the adjustment sleeve of the present invention is connected to the bottom of the housing through a high-precision ball joint, and the adjustment sleeve and the ball joint cooperate to constrain the attitude of the laser module to ensure the stability and accuracy of pointing adjustment.

3. The present invention can quickly realize the attitude adjustment by adjusting the second adjustment screw to the top; the attitude adjustment can be realized by adjusting the attitude adjustment edge of the first adjustment screw to squeeze the adjustment sleeve; the two adjustment methods are all completed on the same side, very It is easy to operate; finally, the attitude of the sleeve is fixed and adjusted by the auxiliary mounting flange and the set screw, which is beneficial to the stability after the attitude is adjusted.

4. The present invention adds an attitude adjustment edge to the adjustment sleeve, and the first adjustment screw cooperates with the attitude adjustment edge to more flexibly adjust the attitude of the adjustment sleeve.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of an embodiment pointing to an adjustable laser emitting light source;

Fig. 2 is the cross-sectional view of embodiment pointing to adjustable laser emitting light source;

Fig. 3 is a top view of an embodiment pointing to an adjustable laser emitting light source (hidden cover plate);

Fig. 4a is the front view of the first adjusting screw in the adjustable laser emitting light source of the embodiment;

Fig. 4b is the right side view of the first adjusting screw in the adjustable laser emitting light source of the embodiment;

Fig. 5a is a perspective view of an adjustment sleeve in an embodiment pointing to an adjustable laser emitting light source;

Fig. 5b is a bottom view of the adjustment sleeve in the laser emitting light source with adjustable orientation;

Fig. 6a is an axonometric view of the body in the laser emitting light source with adjustable orientation;

Fig. 6b is a cross-sectional view of the body in the laser emitting light source with adjustable orientation;

Fig. 7 is a schematic diagram of the structure of the pressure plate in the laser emitting light source with adjustable orientation according to the embodiment;

Fig. 8 is a schematic diagram of a spherical hinge structure in an embodiment pointing to an adjustable laser emitting light source;

The reference signs in the figure are:

1. Shell; 11. The first side wall; 12. The second side wall; 13. The large end of the step hole; 14. The small end of the step hole; 15. The power line of the laser emitting module passes through the hole; 2. Adjustment sleeve; 21. Attitude adjustment Edge; 22, auxiliary mounting flange; 221, auxiliary mounting hole; 23, laser emitting module fixing hole; 24, laser emitting module mounting hole; 25, first threaded hole; 3, laser emitting module; 4, Light outlet; 5. Spherical joint; 51. Bottom surface of spherical segment; 52. Fixed thread through hole; 53. Counterbore; 54. Spherical arc surface; 6. First adjusting screw; 61. Optical axis section; ; 63, threaded shaft section; 631, adjustment process groove; 7, second adjustment screw rod; 8, pressure plate; 81, through hole; 811, the first ball joint with arc surface; 82, flange; Hole; 9. Cover plate; 10. Body; 100. The second ball hinge fits the arc surface; 101. The first adjusting screw fits the screw hole; 102. The first adjusting screw fits the light hole; 103. The second adjusting screw fits the screw Hole; 104, screw; 105, fixing screw; 106, fastening threaded hole; 107, second threaded hole; 108, hole groove.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

1, 2 and 3, it can be seen that the laser emitting light source with adjustable orientation in this embodiment includes a casing 1; Arranged in the length direction; 7 barrel-shaped adjustment sleeves 2 corresponding to the light outlet 4 are arranged at equal intervals along the length direction of the housing 1 in the housing 1, and the bottom of the adjustment sleeve 2 is connected to the housing through a ball hinge 5 At the bottom of the body 1, the opening end of the adjustment sleeve 2 faces the light outlet 4; a laser emission module 3 is installed in each adjustment sleeve 2, and the optical axis of the laser emission module 3 is parallel to the axial centerline of the adjustment sleeve 2 Or overlap, the light output end of the laser emission module 3 faces the light exit port 4, and the laser beam exits from the light exit port 4; the point-adjustable laser emission light source also includes 7 sets of adjustment screw assemblies corresponding to each adjustment sleeve 2 one-to-one, 7 The set of adjustment screw assemblies passes through the side wall of the housing 1 and contacts the adjustment sleeves 2. By adjusting the adjustment screw assemblies, the attitude of each adjustment sleeve 2 can be adjusted, thereby realizing the pointing adjustment of each laser emitting module 3. In this embodiment, the housing is a cubic housing, the length direction of the housing can be defined as the x direction, and the width direction of the housing can be defined as the y direction. Each set of adjusting screw assemblies includes two first adjusting screw rods 6 and two second adjusting screw rods 7, and one end of the two first adjusting screw rods 6 passes through the side wall of the housing 1 respectively, so that the adjusting sleeve 2 is located between the two first adjusting screw rods. Between the screws 6, the middle sections of the two first adjusting screws 6 are in contact with both sides of the adjusting sleeve 2 along the x direction, and the x of the laser emitting module 3 is realized by adjusting the two first adjusting screws 6 to squeeze the adjusting sleeve 2 Direction adjustment; two second adjustment screw rods 7 one ends pass through the side wall of the housing 1 respectively, and the ends of the two second adjustment screw rods 7 are respectively in contact with both sides of the adjustment sleeve 2 along the y direction, by adjusting the two second adjustment screw rods 7 Two adjustment screws 7 are screwed into the length of the housing 1 to adjust the y-direction of the laser emitting module 3 . In other embodiments, the number of adjusting sleeves 2 can be adjusted according to actual needs. Certainly, the quantity of the first adjusting screw 6 and the second adjusting screw 7 in each set of adjusting screw assemblies can also be adjusted according to actual needs, such as the four first adjusting screw 6 can squeeze the adjusting sleeve 2 to realize the laser emission module 3’s x-direction adjustment; one end of the two first adjusting screws 6 passes through the side wall of the housing 1 respectively, the middle section is in contact with the opposite sides of the upper end of the adjusting sleeve 2, and one end of the other two first adjusting screws 6 respectively passes through the housing 1 The side wall, the middle part is in contact with the opposite sides of the lower end of the adjustment sleeve 2, by adjusting the four first adjustment screws 6 to squeeze the adjustment sleeve 2 to realize the 3x direction adjustment of the laser emitting module. Similarly, each set of adjusting screw assemblies may also include four second adjusting screws 7 , and the y-direction adjustment of the laser emitting module 3 is realized by adjusting the four second adjusting screws 7 to press the adjusting sleeve 2 .

Specifically, the structure of the first adjusting screw 6 , as shown in FIG. 4 a , is arranged in three sections, which are an optical axis section 61 , a tapered axis section 62 and a threaded axis section 63 . It can be seen from FIG. 3 that the optical axis section 61 of one of the first adjusting screw 6 in each adjusting screw assembly passes through the first side wall 11 of the housing 1 and connects with the second side wall 12. The tapered shaft section 62 Located inside the housing 1, the threaded shaft section 63 is threadedly connected to the first side wall 11 of the housing 1; the optical axis section 61 of the other first adjusting screw 6 in each set of adjusting screw assemblies passes through the second side wall 12 of the housing 1 However, it is connected with the first side wall 11 , the tapered shaft section 62 is located inside the housing 1 , and the threaded shaft section 63 is screwed with the second side wall 12 of the housing 1 . The small ends of the tapered shaft sections 62 of the two first adjusting screw rods 6 in each adjusting screw assembly are opposite, and by adjusting the screw-in depth of the threaded shaft sections 63 of the two first adjusting screw rods 6, the tapered shaft sections 62 move in the same direction and extrude Adjust the opposite sides of the sleeve 2 to realize the x-direction adjustment of the laser emitting module 3 . In order to facilitate the adjustment of the screw-in depth of the threaded shaft section 63 of the first adjusting screw 6 , as shown in FIG. 4 b , an adjustment process groove 631 is provided at the end of the threaded shaft section 63 .

As can be seen from Fig. 3, Fig. 5a and Fig. 5b, the adjustment sleeve 2 is provided with a laser emitting module mounting hole 24 adapted to the size of the laser emitting module 3; the laser emitting module 3 is coaxially installed on the laser emitting module In order to ensure that the laser emitting module 3 moves synchronously with the adjustment sleeve 2, the laser emitting module 3 can be completely fixed in the laser emitting module mounting hole 24, specifically by gluing or by screws. Correspondingly, it is necessary to open a plurality of laser emission module fixing holes 23 on the adjustment sleeve 2, and the laser emission module 3 inside can be fixed by injecting glue into the holes or fixed by tightening screws. Laser emission module 3. In addition, in order to adjust the attitude of the adjustment sleeve 2 more flexibly, the side walls of the opposite sides of the adjustment sleeve 2 are provided with attitude adjustment edges 21, and the attitude adjustment edges 21 are fixed on the outer wall of the adjustment sleeve 2 and along the The barrel 2 extends axially, and is used to coordinate with the tapered shaft section 62 of the first adjusting screw 6 for attitude adjustment. As shown in FIG. The section 62 moves in the same direction and squeezes the attitude adjustment edge 21 of the adjustment sleeve 2 to realize the x-direction adjustment of the laser emitting module 3 . An auxiliary mounting flange 22 may also be provided near the bottom of the adjustment sleeve 2, and an auxiliary mounting hole 221 may be provided on the auxiliary mounting flange 22 for positioning with the housing 1 after the attitude adjustment is completed; correspondingly, The bottom of the housing 1 is provided with a mounting hole for the adjustment sleeve 2, and the auxiliary mounting flange 22 cooperates with the end surface of the hole to fix the adjustment sleeve 2, which will be described in detail later with reference to Fig. 6a and Fig. 6b. On the adjustment sleeve 2, there is also a laser emission module power line passing hole 15, which is convenient for passing the power line of the laser emission module 3; The first threaded hole 25 connected to the hinge 5 is used for constraining the degree of freedom during posture adjustment.

It can be seen from Fig. 1 to Fig. 3 that the casing 1 in the adjustable laser emitting light source in this embodiment is a cube, and in other embodiments, a cube casing, a rhombus casing and other structural forms can also be selected. In order to facilitate assembly, the housing 1 of this embodiment is composed of three parts, as shown in Figure 2, which are the cover plate 9, the body 10 and the pressure plate 8; the cover plate 9 is set on the top of the body 10, and the light outlet 4 is opened on the cover plate 9; 7 adjusting sleeves 2 are arranged in the body 10 at equal intervals, and the pressure plate 8 is fixed on the bottom of the body 10 .

As shown in Figure 6b, the bottom of the body 10 is provided with seven step holes corresponding to the adjustment sleeve 2 one by one; , when the attitude is adjusted, the bottom of the adjustment sleeve 2 can shake in the big end 13 of the step hole. After the attitude is adjusted, the auxiliary mounting flange 22 is lapped on the end face of the big end 13 of the step hole, and the adjusting sleeve 2 is fixed by the fixing screw 105 (see FIG. 3 ). The small end 14 of the stepped hole is an arc hole constraining the spherical hinge 5 , and its inner wall is an arc surface matching the spherical arc surface 54 of the spherical hinge 5 (see FIG. 8 ). On the side wall of the main body 10, there are also a first adjusting screw matching screw hole 101, a first adjusting screw matching light hole 102 and a second adjusting screw matching screw hole 103, which are matched with the same group of adjusting screw components in Fig. 6a. Screw holes or light holes, as shown in the figure, the two first adjusting screws matching the light holes 102 are the first adjusting screws that cooperate with the optical axis sections 61 of the two first adjusting screws 6 in the same group of adjusting screw assemblies. Light hole 102; the two first adjusting screw matching screw holes 101 shown in the figure are the first adjusting screw matching screw holes 101 that match the threaded shaft sections 63 of the two first adjusting screw rods 6 in the same group of adjusting screw rod assemblies The two second adjusting screw matching screw holes 103 shown in the figure are the second adjusting screw matching screw holes 103 that cooperate with the two second adjusting screw rods 7 in the same group of adjusting screw assembly. The upper end surface of the body 10 can also be provided with a tightening threaded hole 106, which can be used to tighten the first adjusting screw 6 and the second adjusting screw 7 after the attitude adjustment is completed, so as to avoid the adjustment of the first adjusting screw 6 and the second adjusting screw. The thread that the screw rod 7 cooperates with the side wall of the body 10 is loosened, which further improves the stability after attitude adjustment. The upper end surface of the body 10 is also provided with a second threaded hole 107 that is fixed with the cover plate 9; the bottom is also provided with a threaded hole that is installed with the pressure plate 8; the side wall is also provided with a power cord for the laser emitting module 3 The lead-out hole slot 108 .

As shown in Figure 7, a through hole 81 matching with the small end 14 of the step hole at the bottom of the body 10 is opened on the pressure plate 8, and cooperates with the small end 14 of the step hole at the bottom of the body 10 to form the installation hole of the ball hinge 5, and the installation hole of the ball hinge 5 has a wall type The surface is compatible with the spherical surface of the spherical joint 5, as shown in reference numerals 811 and 100, it is a spherical joint with a circular arc surface. In addition, a flange 82 cooperating with the outside can also be provided on the pressure plate 8, and a flange installation hole 821 is provided on the flange 82, based on the flange 82, the entire laser emitting light source can be fixed on the corresponding optical system.

The spherical joint 5 of this embodiment can be a spherical structure, and can also be an incomplete spherical structure with two planes as shown in FIG. A fixed threaded through hole 52 for connecting with the adjustment sleeve 2 and a counterbore 53 for avoiding interference are provided. Referring to Fig. 2, the ball hinge 5 is installed in the ball hinge installation hole, and its bottom surface is in close contact with the bottom plane of the adjustment sleeve 2 located in the big end 13 of the step hole, and the adjustment sleeve 2 and the ball hinge 5 are connected by screws 104. Next, the ball hinge 5 can rotate in the ball hinge mounting hole.

The point-adjustable laser emitting light source of this embodiment can be assembled through the following process:

1) Put the laser emission module 3 into the adjustment sleeve 2 and fix it. The laser module can be bonded by screwing or screwing the laser emission module fixing hole 23 on the adjustment sleeve 2, or by injecting glue. Adjust the inside of the sleeve 2;

2) Install the adjusting sleeve 2 in the big end 13 of the step hole of the body 10, put the ball joint 5 in the small end 14 of the step hole of the body 10, and connect the ball joint 5 with the adjustment sleeve 2 through the screw 104;

3) Connect the pressure plate 8 to the body 10 through screws, and ensure that the through hole 81 matches the small end 14 of the stepped hole, so that the ball hinge 5 is entirely located in the ball hinge installation hole formed by the through hole 81 and the small end 14 of the stepped hole, ensuring that the adjustment sleeve 2 Can rotate around the center of the ball joint 5;

4) Install two second adjusting screws 7 oppositely from the first side wall 11 and the second side wall 12 of the body 10 to ensure that the two second adjusting screws 7 press against the adjusting sleeve 2 and make the adjusting sleeve 2 at y To the center position; two first adjustment screw rods 6 are installed oppositely from the first side wall 11 and the second side wall 12 of the body 10 to ensure that the threaded shaft section 63 and the optical axis section 61 are connected to the corresponding side walls of the body 10, and The cone shaft sections 62 are all close to the attitude adjustment edge 21 of the adjustment sleeve 2;

5) The adjustment sleeve 2 and the body 10 can be fixed by the auxiliary mounting flange 22 and the fixing screw 105, and the cover plate 9 is installed, and the assembly is completed.

According to the needs of the site, when it is necessary to adjust the y direction of any laser emitting module 3, it can be realized through the following process:

1) Remove the cover plate 9;

2) Properly loosen the fixing screw 105 corresponding to the laser emitting module 3, and then properly rotate the two first adjusting screws 6 in the same set of adjusting screw assembly corresponding to the laser emitting module 3 outward, so that the cone shaft section 62 Just slightly separate from the contact surface of the attitude adjustment edge 21;

3) By adjusting the two second adjusting screws 7 in the same group of adjusting screw components corresponding to the laser emitting module 3 to rotate in reverse at the same time, for example, the second adjusting screw 7 screwed to the first side wall 11 is screwed out , the second adjusting screw 7 threadedly connected to the second side wall 12 is screwed inward, so that the y-direction adjustment of the laser emitting module 3 can be realized;

4) If the adjustment amount is not enough, increase the looseness of the fixing screw 105 and the two first adjustment screws 6, and then repeat step 3) to adjust;

5) After the adjustment is completed, adjust the two first adjustment screw rods 6 and rotate inwards to close the adjustment sleeve 2 at the same time, tighten the fixing screws 105, and install the cover plate 9.

According to on-site requirements, when any laser emission module 3 needs to be adjusted in the x direction, it can be realized through the following process:

1) Remove the cover plate 9;

2) Loosen the fixing screw 105 corresponding to the laser emitting module 3, and then slightly rotate the two second adjusting screws 7 in the same set of adjusting screw assembly corresponding to the laser emitting module 3 outward, so that the second adjusting screw 7 and the contact surface of the adjustment sleeve 2 can be slightly separated;

3) By adjusting the two first adjusting screws 6 in the same group of adjusting screw components corresponding to the laser emitting module 3 to rotate in reverse at the same time, for example, the first adjusting screw 6 screwed to the first side wall 11 is screwed out, The first adjusting screw 6 threadedly connected to the second side wall 12 is screwed inward to realize the x-direction adjustment of the laser emitting module 3; during the whole adjustment process, it is necessary to ensure that the two first adjusting screws 6 The tapered surfaces of the tapered shaft section are all in close contact with the attitude adjustment edge 21 of the adjustment sleeve 2;

4) If the adjustment amount is not enough, increase the loosening amount of the fixing screw 105, and then repeat 3);

5) After the adjustment is completed, adjust the two second adjustment screw rods 7 and at the same time turn inward to tighten the adjustment sleeve 2, tighten the fixing screw 105, and install the cover plate 9.

Claims (10)

1. A pointing-adjustable laser emission light source, characterized by: the laser emission device comprises a shell (1), n adjusting sleeves (2) positioned in the shell (1), a laser emission module (3) positioned in each adjusting sleeve (2) and n groups of adjusting screw components matched with the shell (1); wherein n is an integer greater than or equal to 1;

the top of the shell (1) is provided with n light outlets (4);

the adjusting sleeves (2) are barrel-shaped, the n adjusting sleeves (2) are arranged in the shell (1), the bottoms of the adjusting sleeves (2) are connected to the bottom of the shell (1) through spherical hinges (5), and the opening ends of the adjusting sleeves (2) correspond to the light outlets (4) one by one and face the light outlets (4);

the laser emission module (3) is fixedly arranged in the adjusting sleeve (2), the optical axis of the laser emission module (3) is parallel to or coincided with the axial center line of the adjusting sleeve (2), and the light emitting end of the laser emission module (3) faces the opening end of the adjusting sleeve (2);

each group of adjusting screw components is matched with the shell (1) to realize two-degree-of-freedom pointing adjustment of each laser emission module (3); each group of adjusting screw components comprises at least two first adjusting screws (6) and at least two second adjusting screws (7); one ends of the two first adjusting screws (6) respectively penetrate through the side wall of the shell (1), so that the adjusting sleeve (2) is positioned between the two first adjusting screws (6), and the two first adjusting screws (6) are adjusted to extrude the two sides of the adjusting sleeve (2) along the x direction to realize the x direction pointing adjustment of the laser emission module (3);

one ends of the two second adjusting screws (7) penetrate through the side wall of the shell (1) respectively, the end parts of the two second adjusting screws (7) are in contact with the two sides of the adjusting sleeve (2) along the y direction respectively, and the y direction pointing adjustment of the laser emission module (3) is realized by adjusting the length of the two second adjusting screws (7) screwed into the shell (1).

2. A directionally tunable laser-emission light source as claimed in claim 1, wherein: the first adjusting screw (6) is divided into three sections, namely an optical axis section (61), a conical shaft section (62) and a threaded shaft section (63) in sequence;

an optical axis section (61) of one first adjusting screw (6) in each group of adjusting screw components penetrates through the first side wall (11) of the shell (1) and is connected with the second side wall (12), a conical shaft section (62) is positioned in the shell (1), and a threaded shaft section (63) is in threaded connection with the first side wall (11) of the shell (1); the other first adjusting screw (6) in each group of adjusting screw components penetrates through the optical axis section (61) of the second side wall (12) of the shell (1) and is connected with the first side wall (11), the conical axis section (62) is positioned in the shell (1), and the threaded axis section (63) is in threaded connection with the second side wall (12) of the shell (1);

two first adjusting screw (6) cooperation use in every adjusting screw subassembly of group, the wrong income degree of depth of adjustment screw shaft section (63), awl shaft section (62) syntropy removes, extrudees the relative both sides of adjustment sleeve (2), realizes laser emission module (3) x to directional adjustment.

3. A directionally adjustable laser emitting light source as claimed in claim 2, wherein: the adjusting sleeve (2) is provided with two attitude adjusting edges (21), and the attitude adjusting edges (21) are fixed on the outer walls of two opposite sides of the adjusting sleeve (2) and extend along the axial direction of the adjusting sleeve (2); two first adjusting screw (6) in every group adjusting screw subassembly cooperate and use, and the wrong income degree of depth of adjustment screw shaft section (63), attitude adjustment edge (21) of the relative both sides of awl shaft section (62) syntropy removal extrusion adjustment sleeve (2) realize laser emission module (3) x to directional adjustment.

4. A directionally tunable laser-emission light source as claimed in claim 3, wherein:

the spherical hinge (5) is of a spherical segment structure;

the bottom of the shell (1) is provided with n stepped holes which correspond to the adjusting sleeves (2) one by one;

the bottom of the adjusting sleeve (2) is arranged at the large end (13) of the stepped hole, and a gap is reserved between the bottom of the adjusting sleeve and the wall of the large end (13) of the stepped hole;

the spherical hinge (5) is arranged at the small end (14) of the stepped hole, the bottom surface (51) of the spherical segment is tightly attached to the bottom plane of the adjusting sleeve (2), and the adjusting sleeve (2) and the spherical hinge (5) are fixed by using a screw (104); under the action of external force, the spherical hinge (5) can rotate in the small end (14) of the stepped hole.

5. A pointing adjustable laser emission light source as claimed in claim 4, wherein: the shell (1) consists of three parts, namely a cover plate (9), a body (10) and a pressing plate (8); the cover plate (9) is covered on the top of the body (10), and the pressing plate (8) is fixed at the bottom of the body (10); the light outlet (4) is formed in the cover plate (9); the n adjusting sleeves (2) are arranged in the body (10) at equal intervals; the step hole is formed in the bottom of the body (10);

the pressing plate (8) is provided with through holes (81) which are matched with the small ends (14) of the stepped holes at the bottom of the body (10) one by one, and the pressing plate is matched with the small ends (14) of the stepped holes at the bottom of the body (10) to form a spherical hinge mounting hole, the molded surface of the hole wall of the spherical hinge mounting hole is a first spherical hinge matching arc surface (811), and the first spherical hinge matching arc surface (811) is matched with the spherical surface of the spherical hinge (5); the spherical hinge (5) is arranged in the spherical hinge mounting hole.

6. A pointing-adjustable laser emission light source as claimed in claim 5, wherein: the surface of the spherical hinge (5) opposite to the bottom surface (51) of the spherical segment is a plane.

7. A directionally tunable laser-emission light source as claimed in claim 6, wherein: the adjusting sleeve (2) is provided with an auxiliary mounting flange (22) for fixing the adjusting sleeve (2) on the shell (1) after the adjustment is finished; the upper end face of the body (10) is provided with a fastening threaded hole (106), and the first adjusting screw rod (6) and the second adjusting screw rod (7) are tightly pressed by fastening screws after the posture is adjusted.

8. A directionally tunable laser emitting light source as claimed in any one of claims 1 to 7, wherein: the adjusting sleeve (2) is provided with a plurality of laser emission module fixing holes (23);

the laser emission module (3) is fixed in the laser emission module fixing hole (23) through glue injection; or the set screw penetrates through the laser emission module fixing hole (23) to press and fix the laser emission module (3) therein;

the adjusting sleeve (2) is provided with a power line through hole (15) of the laser emission module.

9. A method as claimed in any one of claims 1 to 8, characterized by comprising the steps of performing an x-directional adjustment and/or a y-directional adjustment of any one of the laser emission modules (3);

wherein the x-direction pointing adjustment comprises the following steps:

step a1, opening the top of the shell (1);

a2, rotating two second adjusting screws (7) in the same group of adjusting screw components corresponding to the laser emission module (3) outwards until the second adjusting screws (7) are separated from the contact surface of the adjusting sleeve (2);

a3, adjusting two first adjusting screws (6) in the same group of adjusting screw components corresponding to the laser emission module (3) to simultaneously move in the same direction, so as to realize the adjustment of the x-direction pointing direction of the laser emission module (3);

step a4, judging whether the x-direction pointing of the laser emission module (3) meets the set requirement, if so, executing step a5, otherwise, returning to the step a3;

step a5, adjusting two second adjusting screws (7) and simultaneously moving to tightly push the adjusting sleeve (2), and installing the top of the shell (1);

wherein the y-direction adjustment comprises the following steps:

step b1, opening the top of the shell (1);

b2, rotating two first adjusting screws (6) in the same group of adjusting screw components corresponding to the laser emission module (3) outwards until the contact surfaces of the first adjusting screws (6) and the adjusting sleeve (2) are separated;

b3, adjusting two second adjusting screws (7) in the same group of adjusting screw assemblies corresponding to the laser emission module (3) to rotate reversely at the same time, so as to realize the adjustment of the y-direction of the laser emission module (3);

b4, judging whether the y-direction of the laser emission module (3) meets the set requirement, if so, executing a step b5, otherwise, continuously rotating two first adjusting screws (6) in the same group of adjusting screw assemblies corresponding to the laser emission module (3) outwards, and returning to the step b3;

and b5, adjusting the two first adjusting screws (6) to move to abut against the adjusting sleeve (2) at the same time, and installing the top of the shell (1).

10. An optical instrument having a pointing-adjustable laser emission source as claimed in any one of claims 1 to 8.

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