Jig for assembling multi-face rotating mirror of laser radar

Abstract

The utility model provides a jig used for assembling a multi-face rotating mirror of a laser radar, the multi-face rotating mirror is provided with a mirror frame and a plurality of lenses, the mirror frame is provided with a plurality of binding faces, and the jig comprises a base, a plurality of connecting pieces and a plurality of connecting pieces, the positioning seat is arranged on the base and is used for fixing a mirror bracket; the plurality of binding surfaces are arranged on the base, the plurality of clamping units are arranged on the base, the number of the clamping units corresponds to that of the binding surfaces, the lens can be clamped by the clamping units to adjust the angle, and a gap for filling an adhesive is formed between the lens and the binding surfaces, so that the lens can be adhered to the spectacle frame in a manner of keeping the angle. The jig provided by the utility model can continuously and independently adjust a vertical angle (a vertical angle for short) of each lens relative to a horizontal plane and an included angle (a dihedral angle for short) of two adjacent lenses, a tiny gap is formed between the binding surface of the spectacle frame and the lenses, then the tiny gap is filled with a liquid adhesive, and the adhesive forms an adhesive layer after the adhesive is cured, so that the bonding effect is improved. Therefore, machining errors are eliminated.

Description

Technical Field

[0001] The utility model relates to the manufacturing field of multi-faceted rotating mirrors of lidars, and particularly relates to a jig for assembling multi-faceted rotating mirrors of lidars. Background Art

[0002] The multi-faceted rotating mirror is an important module of a mechanical scanning lidar, which mainly consists of a mirror frame and lenses. When the lidar works, to ensure that the laser forms a stable scanning line after being reflected by each lens of the multi-faceted rotating mirror, the accuracy requirements for the vertical angle (abbreviation: vertical angle) of each lens of the multi-faceted rotating mirror relative to the horizontal plane and the included angle between two adjacent lenses (abbreviation: dihedral angle) are very high.

[0003] Currently, there are two main types of multi-faceted rotating mirror assembly technologies:

[0004] First, there are lens mounting positions (or mounting grooves) provided on the mirror frame. After applying glue to the lenses and their accessories, they are adhesively bonded to the lens mounting positions (or within the mounting grooves) by their own settlement. The processing accuracy of the lenses and their accessories determines the accuracy of the assembled multi-faceted rotating mirror.

[0005] The defect of this assembly technology is that the processing accuracy of the mirror frame, lenses and their accessories will affect the vertical angle and dihedral angle accuracy, and cumulative tolerances will be generated during assembly. Therefore, the processing accuracy and assembly accuracy requirements for each component are very high, resulting in a low yield rate and high cost. In addition, at different ambient temperatures, there are differences in the thermal expansion coefficients of the lenses and the mirror frame. The mirror frame may exert extrusion or tension on the lenses adhesively bonded thereto, resulting in a decrease in the accuracy of the multi-faceted rotating mirror and even damage.

[0006] Second, an automated lens bonding system is used, which includes a lens angle detection device and a lens adjustment device. Through the feedback of the real-time lens angle detection device, the lens adjustment device is controlled to adjust the angle of the lens (vertical angle and / or dihedral angle) in real time. When the adjustment reaches the preset angle, the lens is then adhesively bonded to the mirror frame.

[0007] The defect of this assembly technology is that the development cost of the automated lens bonding system is high and the cycle is long. This system (equipment) occupies a large area and has high later maintenance costs. The stability of the real-time lens angle detection device therein is poor and the detection time is relatively long.

[0008] Based on this, providing a new jig for assembling multi-faceted rotating mirrors has become an urgent problem to be solved. Summary of the Utility Model

[0009] In view of the problems existing in the background art, the utility model provides a jig for assembling a multi-faceted rotating mirror of a lidar. The multi-faceted rotating mirror has a mirror frame and a plurality of lenses, and the mirror frame has a plurality of fitting surfaces. The jig includes:

[0010] Base;

[0011] A positioning seat arranged on the base for fixing the spectacle frame; and

[0012] A plurality of clamping units arranged on the base corresponding to the number of the fitting surfaces, the lens can be clamped by the clamping units to adjust the angle, and a gap for filling the adhesive is formed between the lens and the fitting surface, so that the lens can be adhesively fixed to the spectacle frame at a maintained angle.

[0013] In some embodiments of the present invention, the spectacle frame has a reference axis, a positioning hole capable of accommodating the reference axis is formed on the positioning seat, and at least one elastic pin is arranged in the positioning seat, and the elastic pin can abut against the reference axis to lock the reference axis in the positioning hole.

[0014] In some embodiments of the present invention, the plurality of elastic pins are located on the same side of the positioning hole, and the reference axis can be pressed against the hole wall on the opposite side by the elastic pins.

[0015] In some embodiments of the present invention, the clamping unit includes: a first carrier plate arranged on the base; a second carrier plate having a top wall above the first carrier plate and side walls symmetrically located on the sides of the first carrier plate, the top wall is lapped on the first carrier plate, and the side walls are in clearance fit with the first carrier plate; at least a pair of vertical adjusting elements arranged on the top wall for changing the pitch angle of the second carrier plate relative to the first carrier plate; at least two pairs of horizontal adjusting elements symmetrically arranged on the side walls for changing the horizontal deflection angle of the second carrier plate relative to the first carrier plate; and a lens carrier plate arranged on the second carrier plate.

[0016] In some embodiments of the present invention, the clamping unit includes: at least a pair of elastic claws pivotally arranged on the lens carrier plate, the elastic claws are normally kept closed; a guiding part arranged on the second carrier plate; a sliding part arranged on the guiding part; and a cam rotatably arranged on the second carrier plate, and the protruding part of the cam can push the sliding part to move relative to the guiding part and abut against the elastic claws to drive the elastic claws to open.

[0017] In some embodiments of the present invention, the jig for assembling the multi-faceted rotating mirror of the lidar includes: a guide rail arranged on the base, the guide rail has a proximal end close to the fitting surface and a distal end away from the fitting surface, the first carrier plate can slide on the guide rail, and when the first carrier plate slides to the proximal end, the lens can be adhesively fixed to the spectacle frame at a maintained angle.

[0018] In some embodiments of the present utility model, a push-pull handle is provided at the tail of the first carrier plate or the second carrier plate.

[0019] In some embodiments of the present utility model, the clamping unit includes: a first carrier plate movably disposed on the base; a second carrier plate pivotally connected to one end of the first carrier plate, and at least one vertical adjustment element is disposed on the other end of the second carrier plate for driving the second carrier plate to pivot vertically relative to the first carrier plate to change the pitch angle of the second carrier plate; a limiting plate disposed on the base and symmetrically located on the side of the first carrier plate, and at least a pair of horizontal adjustment elements are disposed on the limiting plate for changing the horizontal deflection angle of the first carrier plate relative to the base; and a lens carrier plate disposed on the second carrier plate.

[0020] In some embodiments of the present utility model, the clamping unit includes: at least a pair of elastic claws pivotally disposed on the lens carrier plate, a chute is disposed on the elastic claws, and the elastic claws remain closed under normal conditions; a guiding portion disposed on the lens carrier plate; a sliding portion disposed on the guiding portion, and a protrusion matching the chute is disposed on the sliding portion; and a cam rotatably disposed on the second carrier plate, and the protruding portion of the cam can push the sliding portion to move relative to the guiding portion, so that the protrusion disposed on the sliding portion moves in the chute and the elastic claws are opened.

[0021] In some embodiments of the present utility model, the jig for assembling the multi-faceted rotating mirror of the lidar includes: a guide rail disposed on the second carrier plate, the guide rail has a proximal end close to the bonding surface and a distal end far from the bonding surface; a third carrier plate disposed on the guide rail, the lens carrier plate and the cam are both disposed on the third carrier plate and can move along the guide rail following the third carrier plate. When the third carrier plate slides to the proximal end, the lens can be adhesively bonded to the mirror frame at a maintained angle.

[0022] The jig for assembling the multi-faceted rotating mirror of the lidar provided by the present utility model can continuously and independently adjust the vertical angle (abbreviation: vertical angle) of each lens relative to the horizontal plane and the included angle between two adjacent lenses (abbreviation: dihedral angle), and form a tiny gap between the bonding surface of the mirror frame and the lens, and then fill a liquid adhesive in the tiny gap. After the adhesive is cured, a bonding layer is formed, thereby eliminating the processing error.

[0023] In other words, the accuracy of the vertical angle (abbreviated as vertical angle) of the lens and the included angle between two adjacent lenses (abbreviated as dihedral angle) depends more on the adjustment accuracy of the clamping unit (which can also be regarded as the manufacturing accuracy of the jig), while the requirements for the processing accuracy of the frame, lens and its accessories are relatively low. Compared with the prior art, the jig provided by the present utility model has a short development cycle, low development cost, small volume, and extremely high stability, greatly reducing the maintenance cost, facilitating mass production, and significantly improving the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a perspective view of a jig for assembling a multi-faceted rotating mirror of a lidar provided by the first embodiment of the present utility model;

[0025] Figure 2 is Figure 1 the top view of the jig for assembling the multi-faceted rotating mirror of the lidar shown in

[0026] Figure 3 is Figure 1 the side view of the jig for assembling the multi-faceted rotating mirror of the lidar shown in

[0027] Figure 4 is Figure 2 the partial enlarged view of part A in

[0028] Figure 5 is the sectional view of the positioning seat provided with a frame;

[0029] Figure 6 is along Figure 2 the sectional view of the X01-X01 section line in

[0030] Figure 7 is along Figure 3 the sectional view of the X02-X02 section line in

[0031] Figure 8 is Figure 7 the partial enlarged view of part F in

[0032] Figure 9 is along Figure 2 the sectional view of the X03-X03 section line in

[0033] Figure 10 is a perspective view of a jig for assembling a multi-faceted rotating mirror of a lidar provided by the second embodiment of the present utility model;

[0034] Figure 11 is Figure 10 the top view of the jig for assembling the multi-faceted rotating mirror of the lidar shown in

[0035] Figure 12 is Figure 10Side view (partial) of the jig for assembling the multi-faceted rotating mirror of the lidar as shown.

[0036] Description of reference numerals:

[0037] Jig 100 / Jig 200;

[0038] Base 110;

[0039] Positioning seat 120; positioning hole 121; elastic pin 122; hole wall 123; pin groove 124;

[0040] Clamping unit 130; first carrier plate 131; threaded hole 131a; second carrier plate 132; top wall 132a; side wall 132b; counterbore 132c; vertical adjustment element 133; horizontal adjustment element 134; lens carrier plate 135; elastic claw 136; chute 136a; guiding part 137; sliding part 138; straight rod 138a; front connecting plate 138b; rear connecting plate 138c; protrusion 138d; cam 139; lever 139a;

[0041] Guide rail 140;

[0042] Push-pull handle 150;

[0043] Fastening bolt 160;

[0044] Limit plate 170;

[0045] Third carrier plate 180;

[0046] Mirror frame 300; fitting surface 310; reference axis 320; substrate 330;

[0047] Lens 400. Detailed implementation manners

[0048] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without making creative efforts based on the embodiments of the present utility model belong to the scope of protection of the present utility model.

[0049] As Figure 1-8As shown in the figure, the first embodiment of the present utility model provides a jig 100 for assembling a multi-faceted rotating mirror of a lidar. The multi-faceted rotating mirror has a mirror frame 300 and a plurality of lenses 400. The mirror frame 300 has a plurality of fitting surfaces 310. The jig 100 mainly includes a base 110, a positioning seat 120 provided on the base 110 for fixing the mirror frame 300, and a plurality of clamping units 130 provided on the base 110 corresponding to the number of the fitting surfaces 310. The lens 400 can be clamped by the clamping unit 130 to adjust the angle, and a gap ( Figure 4 the gap B shown in the figure) is formed between the lens 400 and the fitting surface 310 to enable the lens 400 to be adhesively bonded to the mirror frame 300 at a maintained angle.

[0050] In this embodiment, the adhesive can be selected from UV glue, thermosetting glue, anaerobic glue, moisture-curing glue, etc. The mirror frame 300 is an equilateral triangle and has three fitting surfaces 310. The base 110 is also an equilateral triangle. There are three clamping units 130, which are distributed on the base 110 at intervals of 120°, that is, each clamping unit 130 is arranged facing one fitting surface 310. The positioning seat 120 and the clamping units 130 can be arranged on the base 110 by conventional methods such as bolt fastening, adhesion, welding, plugging, etc.

[0051] In other embodiments, the mirror frame 300 can also be a regular quadrilateral, a regular pentagon or other regular polygons, so it has four, five or more fitting surfaces 310. The base 110 can have the corresponding regular polygon shape as the mirror frame 300 or can be circular. The number of the clamping units 130 is the same as the number of the fitting surfaces 310, that is, four can be arranged at intervals of 90°, five can be arranged at intervals of 72° or more can be evenly distributed.

[0052] Those skilled in the art should be able to understand that when the lidar is working, in order to ensure that a stable scan line is formed after the laser is reflected by each lens of the rotating mirror, the accuracy requirements for the vertical angle (abbreviation: vertical angle) of each lens of the multi-faceted rotating mirror relative to the horizontal plane and the included angle between two adjacent lenses (abbreviation: dihedral angle) are very high. When using the jig 100 provided in this embodiment, first fix the mirror frame 300 on the positioning seat 120, clamp the lens 400 on the corresponding clamping unit 130, then adjust the pitch angle α and the horizontal deflection angle β of the clamping unit 130 (indirectly adjusting the vertical angle and the dihedral angle of the lens 400), and keep the clamping unit 130 at the adjusted angle (the lens 400 is also kept at the adjusted vertical angle and dihedral angle). A small gap is formed between the fitting surface 310 of the mirror frame 300 and the lens 400, and then a liquid adhesive is filled in the small gap. After the adhesive is cured, an adhesive layer is formed, thereby eliminating the processing error.

[0053] For example, the fitting surface 310 of the spectacle frame 300 is not perpendicular to the horizontal plane. If the lens 400 is directly fitted on the fitting surface 310, the vertical angle of the lens 400 will not meet the processing accuracy requirements. Therefore, the clamping unit 130 is first used to adjust the vertical angle of the lens 400 so that the vertical angle of the lens 400 meets the processing accuracy of 90±0.01°. At this time, a small gap that is wider at the top and narrower at the bottom or wider at the bottom and narrower at the top is formed between the fitting surface 310 and the lens 400. A liquid adhesive is filled in the small gap, and the liquid adhesive will gradually fill the small gap from top to bottom under the action of gravity, or a liquid adhesive slightly thicker than the small gap is directly coated on the fitting surface 310. The excess liquid adhesive will be extruded around by the lens 400. After the liquid adhesive is cured, an adhesive layer that is thicker at the top and thinner at the bottom or thinner at the top and thicker at the bottom is formed, thereby eliminating the processing errors of the spectacle frame 300, the lens 400 and their accessories.

[0054] For another example, the fitting surface 310 of the spectacle frame 300 has a plurality of small pits and / or a plurality of small protrusions (which can also be regarded as the fitting surface 310 being uneven). If the lens 400 is directly fitted on the fitting surface 310, the vertical angle and the dihedral angle of the lens 400 will not meet the processing accuracy requirements. Therefore, the clamping unit 130 is first used to adjust the vertical angle and the dihedral angle of the lens 400 so that the vertical angle and the dihedral angle of the lens 400 meet the processing accuracies of 90±0.01° and 60±0.01°. At this time, a small gap is formed between the fitting surface 310 and the lens 400. A liquid adhesive is filled in the small gap, and the liquid adhesive will gradually fill the small gap from top to bottom under the action of gravity. The plurality of small pits will be "filled", and the plurality of small protrusions will be "bypassed", or a liquid adhesive slightly thicker than the small gap is directly coated on the fitting surface 310. The excess liquid adhesive will be extruded around by the lens 400. After the liquid adhesive is cured, a thicker adhesive layer is formed at the small pits, a thinner adhesive layer is formed at the small protrusions, and a normal-thickness adhesive layer is formed in the remaining part, thereby eliminating the processing errors of the spectacle frame 300, the lens 400 and their accessories.

[0055] Compared with the prior art which highly depends on the processing accuracy of the frame 300, even if there are slight differences in the processing accuracies of multiple fitting surfaces 310 of the frame 300, the lens 400 can still be clamped by the clamping unit 130 and maintained at a preset vertical angle and dihedral angle. After the lens 400 is attached to the fitting surface 310 of the frame 300, the adhesive layer offsets the processing errors of the frame 300 and does not form cumulative tolerances among multiple lenses 400 as in the prior art. In other words, the accuracies of the vertical angle and dihedral angle of the lens 400 more depend on the adjustment accuracy of the clamping unit 130 (which can also be regarded as the manufacturing accuracy of the jig 100), and the requirements for the processing accuracies of the frame 300, the lens 400 and their accessories can be appropriately reduced. Compared with the prior art, the jig provided by the present utility model has a short development cycle, low development cost, small volume, extremely high stability, greatly reduces the maintenance cost, is convenient for mass production, and significantly improves the yield rate.

[0056] When using the jig of the embodiment of the present application, before using the jig after it is manufactured, only the vertical angle and dihedral angle of the jig need to be adjusted to the angles required by the drawing, and then each carrier plate is fixed. During production, only the frame assembly needs to be placed on the positioning seat, the lens is placed in the corresponding clamping unit, and then the clamping unit is slid to the fitting position to complete the fitting and holding. After the adhesive to be filled is cured, the fitted product is taken off the jig. Thus, there is no need to adjust the lens angle each time, and the lens fitting efficiency can be improved.

[0057] Specifically referring to Figure 5 As shown, further, the frame 300 has a reference axis 320, a positioning hole 121 capable of accommodating the reference axis 320 is formed on the positioning seat 120, and at least one elastic pin 122 is arranged in the positioning seat 120. The elastic pin 122 can abut against the reference axis 320 so that the reference axis 320 is locked in the positioning hole 121.

[0058] In this embodiment, the frame 300 has a substrate 330 in an equilateral triangle shape, a reference axis 320 is perpendicularly arranged at the center thereof, and three fitting surfaces 310 are arranged along each side of the substrate 330 and are perpendicular to the substrate 330. The fitting surfaces 310 and the reference axis 320 can be arranged on the substrate 330 by conventional means such as bolt fastening, adhesion, welding, plugging, etc., or can be integrally formed with the substrate 330. When the reference axis 320 is inserted into the positioning hole 121 of the positioning seat 120, the three fitting surfaces 310 are distributed around the positioning seat 120 from the outside.

[0059] In other embodiments, the substrate 330 may also be a regular quadrilateral, a regular pentagon, or other regular polygons. A reference axis 320 is perpendicularly disposed at the center of the substrate 330. Four, five, or more fitting surfaces 310 are disposed along each side of the substrate 330 and are perpendicular to the substrate 330. The fitting surfaces 310 and the reference axis 320 can be disposed on the substrate 330 by conventional means such as bolt fastening, adhesion, welding, plugging, etc., or can be integrally formed with the substrate 330. When the reference axis 320 is inserted into the positioning hole 121 of the positioning seat 120, four, five, or more fitting surfaces 310 are distributed around the positioning seat 120 from the outside.

[0060] Further, a plurality of elastic pins 122 are located on the same side of the positioning hole 121, and the reference axis 320 can be pressed against the hole wall 123 on the opposite side by the elastic pins 122.

[0061] In this embodiment, the elastic pins 122 are ball spring pins ( Figure 5 the spring inside the spring pin is not shown in the figure), and the balls at their ends can abut against the reference axis 320. Two elastic pins 122 are arranged side by side in the up and down direction (such as Figure 5 the extending direction of the reference axis 320 in the figure), and both are located on the right side of the positioning hole 121, so that the reference axis 320 can be pressed against the hole wall 123 on the left side.

[0062] In this embodiment, the tails of the elastic pins 122 extend outwards from the positioning seat 120. When the reference axis 320 is inserted, the reference axis 320 causes the end of the elastic pin 122 with the ball to be squeezed and compress the spring inside the elastic pin 122. After the reference axis 320 is inserted, the elastic pin 122 locks the reference axis 320 in the positioning hole 121.

[0063] Those skilled in the art should be able to understand that after the reference axis 320 is inserted into the positioning hole 121 and locked by the elastic pins 122, the frame 300 will not rotate or shake relative to the positioning seat 120, which is beneficial to realizing the positioning of the frame 300 and facilitating the precise adhesion of the lens 400 to the fitting surface 310 of the frame 300. In addition, by disposing the elastic pins 122 on one side of the positioning hole 121, the reference axis 320 is pushed to the other side in the positioning hole 121, and the gap between the reference axis 320 and the positioning hole 121 is reserved on the side of the elastic pins 122, which is beneficial to the precise positioning of the reference axis 320 on the hole wall 123 on the opposite side, that is, the manufacturing tolerance between the diameter of the reference axis 320 and the aperture of the positioning hole 121 is eliminated.

[0064] Specifically refer to Figure 3 、 6As shown in FIG. -8, further, the clamping unit 130 includes a first carrier plate 131, a second carrier plate 132, at least one pair of vertical adjustment elements 133, at least two pairs of horizontal adjustment elements 134, and a lens carrier plate 135. Among them, the first carrier plate 131 is disposed on the base 110. The second carrier plate 132 has a top wall 132a located above the first carrier plate 131 and side walls 132b symmetrically located on the sides of the first carrier plate 131. The top wall 132a overlaps on the first carrier plate 131, and the side walls 132b are in clearance fit with the first carrier plate 131 ( Figure 8 the clearance C shown therein). The vertical adjustment elements 133 are disposed on the top wall 132a and are used to change the pitch angle α of the second carrier plate 132 relative to the first carrier plate 131. The horizontal adjustment elements 134 are symmetrically disposed on the side walls 132b and are used to change the horizontal deflection angle β of the second carrier plate 132 relative to the first carrier plate 131. The lens carrier plate 135 is disposed on the second carrier plate 132.

[0065] In this embodiment, the second carrier plate 132 is in the shape of a gantry, and it has a horizontal top wall 132a overlapping on the first carrier plate 131 and vertical side walls 132b located on both sides of the first carrier plate 131. The lens carrier plate 135 is vertically disposed on the second carrier plate 132. The lens 400 is carried (such as clamped or engaged) by the lens carrier plate 135 and is kept perpendicular to the second carrier plate 132. That is, the vertical angle (abbreviation: vertical angle) of the lens 400 relative to the horizontal plane and the included angle (abbreviation: dihedral angle) between two adjacent lenses 400 depend on the pitch angle α and the horizontal deflection angle β of the second carrier plate 132.

[0066] In this embodiment, the vertical adjustment element 133 is a rotatable bolt. Two threaded through holes matching the vertical adjustment element 133 are provided on the top wall 132a, and they are arranged in a straight line in the front - rear direction of the top wall 132a (as Figure 6 indicated by the arrow in the figure). By rotating the two vertical adjustment elements 133, their ends will abut against the upper part of the first carrier plate 131. By adjusting the extension amount of the ends of the two vertical adjustment elements 133, the pitch angle α of the second carrier plate 132 relative to the first carrier plate 131 can be changed (it can also be regarded as changing the parallelism between the first carrier plate 131 and the second carrier plate 132).

[0067] In this embodiment, the horizontal adjustment element 134 is also a rotatable bolt. Four threaded through holes matching the horizontal adjustment element 134 are provided on the vertical side walls 132b. By rotating the four horizontal adjustment elements 134, their ends will abut against the side part of the first carrier plate 131. By adjusting the extension amount of the ends of the four horizontal adjustment elements 134, the horizontal deflection angle β of the second carrier plate 132 relative to the first carrier plate 131 can be changed (the adjustable range of the horizontal deflection angle β depends on the distance between the two vertical side walls 132b).

[0068] Combined Figure 2 and 9 As shown, in this embodiment, a plurality of threaded holes 131a may be provided on the first carrier plate 131, and a corresponding number of counterbores 132c are provided at positions corresponding to the threaded holes 131a on the second carrier plate 132. The fastening bolts 160 are disposed in the counterbores 132c. The counterbores 132c are slightly larger than the heads of the fastening bolts 160. Even if the second carrier plate 132 is adjusted with respect to the first carrier plate 131 by a pitch angle α and a horizontal deflection angle β, the fastening bolts 160 can still vertically pass through the counterbores 132c and engage with the plurality of threaded holes 131a on the first carrier plate 131, fixing the second carrier plate 132 and the first carrier plate 131 together with the pitch angle α and the horizontal deflection angle β maintained.

[0069] Those skilled in the art should be able to understand that the vertical adjustment element 133 and the horizontal adjustment element 134 can precisely and steplessly adjust the pitch angle α and the horizontal deflection angle β of the second carrier plate 132, indirectly and steplessly adjusting the vertical angle and the dihedral angle of the lens 400 carried by the lens carrier plate 135. Moreover, both the vertical adjustment element 133 and the horizontal adjustment element 134 are disposed on the second carrier plate 132, which also simplifies the structure. When using the jig 100 provided in this embodiment, first fix the spectacle frame 300 on the positioning seat 120, fix the lens 400 on the corresponding lens carrier plate 135, and then adjust the pitch angle α and the horizontal deflection angle β of the second carrier plate 132 relative to the first carrier plate 131 (indirectly adjusting the vertical angle and the dihedral angle of the lens 400) with the vertical adjustment element 133 and the horizontal adjustment element 134, and use the fastening bolts 160 to keep the second carrier plate 132 and the first carrier plate 131 at the adjusted angles (the lens 400 is also kept at the adjusted vertical angle and dihedral angle). A small gap is formed between the fitting surface 310 of the spectacle frame 300 and the lens 400, and then a liquid adhesive is filled in the small gap. After the adhesive cures, an adhesive layer is formed, thereby eliminating the processing error.

[0070] For example, if you want to raise the front end (the end provided with the lens carrier plate 135) of the second carrier plate 132 (i.e., adjust the pitch angle α of the second carrier plate 132), you can make the extension amount of the vertical adjustment element 133 at the front end greater than that at the rear end. If you want to raise the rear end of the second carrier plate 132 (i.e., adjust the pitch angle α of the second carrier plate 132), you can make the extension amount of the vertical adjustment element 133 at the rear end greater than that at the front end.

[0071] For another example, if it is desired to deflect the front end of the second carrier plate 132 (the end provided with the lens carrier plate 135) to the left (i.e., adjust the horizontal deflection angle β of the second carrier plate 132), the extension amount of the left front lateral adjustment element 134 can be made smaller than that of the right front lateral adjustment element 134, and the extension amount of the left rear lateral adjustment element 134 can be made larger than that of the right rear lateral adjustment element 134. If it is desired to deflect the front end of the second carrier plate 132 (the end provided with the lens carrier plate 135) to the right (i.e., adjust the horizontal deflection angle β of the second carrier plate 132), the extension amount of the left front lateral adjustment element 134 can be made larger than that of the right front lateral adjustment element 134, and the extension amount of the left rear lateral adjustment element 134 can be made smaller than that of the right rear lateral adjustment element 134.

[0072] Specifically referring to Figure 3 and 6 As shown, further, the clamping unit 130 includes at least a pair of elastic claws 136 pivotally provided on the lens carrier plate 135, a guiding portion 137 provided on the second carrier plate 132, a sliding portion 138 provided on the guiding portion 137, and a cam 139 rotatably provided on the second carrier plate 132. Among them, the elastic claws 136 are kept closed under normal conditions. The protruding portion of the cam 139 can push the sliding portion 138 to move relative to the guiding portion 137 and abut against the elastic claws 136 to drive the elastic claws 136 to open.

[0073] In this embodiment, rotating shaft seats are provided on the upper and lower portions of the lens carrier plate 135, and the elastic claws 136 are pivotally provided on the rotating shaft seats with the rotating shaft, so as to realize the pivotal connection between the elastic claws 136 and the lens carrier plate 135. The first ends of a pair of elastic claws 136 can clamp the carried lens 400 from the upper and lower directions. A spring is provided between the second ends of the elastic claws 136 and the lens carrier plate 135 (provided at the D position shown in Figure 6 , and the spring is not shown in the figure), so that the elastic claws 136 are kept closed under normal conditions. Two pairs of such elastic claws 136 are provided in total.

[0074] In this embodiment, the sliding portion 138 is composed of four straight rods 138a penetrating through the guiding portion 137 and a front connecting plate 138b and a rear connecting plate 138c connecting the four straight rods 138a. The front connecting plate 138b and the rear connecting plate 138c are located on both sides of the guiding portion 137. The four straight rods 138a can move synchronously, and the movement range relative to the guiding portion 137 is the distance between the front connecting plate 138b and the rear connecting plate 138c. Springs can be sleeved on the four straight rods 138a, and the springs are located between the rear connecting plate 138c and the guiding portion 137 (provided at the E position shown in Figure 6 , and the spring is not shown in the figure), so that the sliding portion 138 does not abut against the second ends of the elastic claws 136 under normal conditions.

[0075] In this embodiment, the cam 139 is connected to the second carrier plate 132 by a rotating shaft and can rotate horizontally on the second carrier plate 132. When the cam 139 rotates to make its protruding part contact the rear connecting plate 138c, the protruding part pushes the four straight rods 138a to move towards the elastic claw 136. The ends of the four straight rods 138a abut against the tail end of the elastic claw 136, thereby causing the elastic claw 136 to open. To facilitate the rotation of the cam 139, a lever 139a is provided on the cam 139.

[0076] In other embodiments, rotating shaft seats are provided on the upper and lower parts of the lens carrier plate 135. The elastic claw 136 is provided on the rotating shaft seats by a rotating shaft, and a torsion spring can be provided on the rotating shaft, so that the elastic claw 136 remains closed under normal conditions. The sliding part 138 can be a cylinder passing through the guiding part 137, and four protruding contacts (the number of protrusions corresponds to the number of elastic claws 136) are provided at the end of the sliding part 138. The cam 139 is provided on the second carrier plate 132 by a rotating shaft and can rotate vertically on the second carrier plate 132. When the cam 139 rotates to make its protruding part contact the sliding part 138, the protruding part pushes the sliding part 138 to move towards the elastic claw 136, and the four protruding contacts abut against the tail end of the elastic claw 136, thereby causing the elastic claw 136 to open.

[0077] Those skilled in the art should be able to understand that the lens carrier plate 135, the elastic claw 136, the guiding part 137, the sliding part 138 and the cam 139 constitute a complete set of precise locking and unlocking mechanisms for the lens 400, avoiding excessive touching of the lens 400 by the operator, thereby contaminating or damaging the lens 400. In particular, scratches on the working surface (the opposite surface of the bonding surface) of the lens 400 are avoided.

[0078] Specifically referring to Figure 3 and 6 As shown, further, a jig 100 for assembling a multi-faceted rotating mirror of a lidar includes a guide rail 140 provided on a base 110. The guide rail 140 has a proximal end close to the bonding surface 310 and a distal end far from the bonding surface 310. The first carrier plate 131 can slide on the guide rail 140. When the first carrier plate 131 slides to the proximal end, the lens 400 can be adhesively bonded to the mirror frame 300 at a maintained angle.

[0079] Further, a push-pull handle 150 is provided at the tail of the first carrier plate 131 or the second carrier plate 132.

[0080] In this embodiment, the guide rail 140 is fixed to the base 110 by bolts.

[0081] In other embodiments, the guide rail 140 can also be arranged on the base 110 by conventional methods such as adhesion, welding, plugging, etc.

[0082] Those skilled in the art should be able to understand that when using the jig 100 provided in this embodiment, the operator first uses the push-pull handle 150 to pull the entire clamping unit 130 to the distal end of the guide rail 140, and then uses the lens carrier plate 135, the elastic claws 136, the guiding portion 137, the sliding portion 138, and the cam 139 to cooperate with each other to clamp the lens 400 on the lens carrier plate 135. Then, the vertical adjustment element 133 and the horizontal adjustment element 134 are used to adjust the pitch angle α and the horizontal deflection angle β of the second carrier plate 132 (indirectly adjusting the vertical angle and the dihedral angle of the lens 400). Finally, the entire clamping unit 130 is pushed to the proximal end of the guide rail 140 by the push-pull handle 150, and a small gap is formed between the fitting surface 310 of the spectacle frame 300 and the lens 400. Then, a liquid adhesive is filled in the small gap, and after the adhesive is cured, an adhesive layer is formed, thereby eliminating the processing error.

[0083] In addition, the jig 100 provided in this embodiment can also be automatically controlled by a control system. For example, a motor, a cylinder, an electric push rod, a electro-hydraulic push rod, etc. are used to drive the first carrier plate 131 to slide on the guide rail 140. A motor, a cylinder, an electric push rod, a electro-hydraulic push rod, etc. are used to drive the cam 139 to rotate, so that the elastic claws 136 can automatically open. A robotic arm, a manipulator, etc. are used to place the lens 400 on the lens carrier plate 135 and to remove the assembled multi-faceted rotating mirror from the positioning seat 120.

[0084] As Figure 10-12 shown, the second embodiment of the present invention provides a jig 200 for assembling a multi-faceted rotating mirror of a lidar, including a base 110, a positioning seat 120 provided on the base 110 for fixing a spectacle frame (not shown in the figure), and a plurality of clamping units 130 provided on the base 110 corresponding to the number of fitting surfaces (not shown in the figure). The lens 400 can be clamped by the clamping unit 130 to adjust the angle, and a gap for filling the adhesive is formed between the lens 400 and the fitting surface, so that the lens 400 can be adhesively bonded to the spectacle frame at a maintained angle.

[0085] Further, the clamping unit 130 includes a first carrier plate 131, a second carrier plate 132, at least one vertical adjustment element 133, at least a pair of horizontal adjustment elements 134, a lens carrier plate 135, and a limit plate 170. Among them, the first carrier plate 131 is movably disposed on the base 110. One end of the second carrier plate 132 is pivotally connected to the first carrier plate 131. At least one vertical adjustment element 133 is disposed at the other end of the second carrier plate 132, and is configured to drive the second carrier plate 132 to pivot vertically relative to the first carrier plate 131, so as to change the pitch angle α of the second carrier plate 132. The limit plate 170 is disposed on the base 110 and symmetrically located on the sides of the first carrier plate 131. At least a pair of horizontal adjustment elements 134 are disposed on the limit plate 170, and are configured to change the horizontal deflection angle β of the first carrier plate 131 relative to the base 110. The lens carrier plate 135 is disposed on the second carrier plate 132.

[0086] In this embodiment, the middle part of the first carrier plate 131 is pivotally connected to the base 110 by a rotating shaft (not shown in the figure), enabling the first carrier plate 131 to rotate horizontally relative to the base 110. The front end of the second carrier plate 132 is connected to the first carrier plate 131 by a rotating shaft or a hinge, enabling the second carrier plate 132 to rotate vertically relative to the first carrier plate 131. The lens carrier plate 135 is vertically disposed on the second carrier plate 132. The lens 400 is carried (such as clamped or engaged) by the lens carrier plate 135 and remains perpendicular to the second carrier plate 132. That is, the vertical angle (abbreviation: vertical angle) of the lens 400 relative to the horizontal plane depends on the pitch angle α of the second carrier plate 132, and the included angle (abbreviation: dihedral angle) between two adjacent lenses 400 depends on the horizontal deflection angle β of the first carrier plate 131.

[0087] In other embodiments, the first carrier plate 131 is movably placed on the base 110, and a pair of limit plates 170 are disposed on the left and right sides, with at least 2 horizontal adjustment elements 134 disposed on each limit plate 170; or the first carrier plate 131 is movably placed on the base 110, and at least two pairs of limit plates 170 are disposed on the left and right sides, with 1 horizontal adjustment element 134 disposed on each limit plate 170.

[0088] In this embodiment, the vertical adjustment element 133 is a rotatable bolt. A threaded through hole matching the vertical adjustment element 133 is disposed at the rear end of the second carrier plate 132. By rotating the vertical adjustment element 133, its end will abut against the upper part of the first carrier plate 131, driving the second carrier plate 132 to rotate around the rotating shaft or the hinge, and thus the pitch angle α of the second carrier plate 132 relative to the first carrier plate 131 can be changed (it can also be regarded as changing the parallelism between the first carrier plate 131 and the second carrier plate 132).

[0089] In this embodiment, the lateral adjustment element 134 also adopts a screwing bolt, and a pair of threaded through holes matching the lateral adjustment element 134 are arranged on the limiting plate 170. By screwing the two lateral adjustment elements 134, their ends will abut against the side of the first bearing plate 131. By adjusting the protruding amount of the ends of the two lateral adjustment elements 134, the horizontal deflection angle β of the first bearing plate 131 relative to the base 110 can be changed (the adjustable range of the horizontal deflection angle β depends on the distance between the two limiting plates 170).

[0090] Those skilled in the art should be able to understand that the vertical adjustment element 133 and the lateral adjustment element 134 can precisely and steplessly adjust the pitch angle α of the second bearing plate 132 and the horizontal deflection angle β of the first bearing plate 131, and indirectly steplessly adjust the vertical angle and dihedral angle of the lens 400 carried by the lens bearing plate 135. When using the jig 200 provided in this embodiment, first fix the spectacle frame 300 on the positioning seat 120, fix the lens 400 on the corresponding lens bearing plate 135, and then adjust the pitch angle α of the second bearing plate 132 relative to the first bearing plate 131 with the vertical adjustment element 133 (indirectly adjusting the vertical angle of the lens 400), and adjust the horizontal deflection angle β of the first bearing plate 131 relative to the base 110 with the lateral adjustment element 134 (indirectly adjusting the dihedral angle of the lens 400), and keep the second bearing plate 132 and the first bearing plate 131 at the adjusted angles (the lens 400 is also kept at the adjusted vertical angle and dihedral angle). A tiny gap is formed between the fitting surface 310 of the spectacle frame 300 and the lens 400, and then a liquid adhesive is filled in the tiny gap. After the adhesive is cured, an adhesive layer is formed, thereby eliminating the processing error.

[0091] For example, under normal conditions, the end of the vertical adjustment element 133 maintains a preset protruding amount, so that the second bearing plate 132 is parallel to the first bearing plate 131. If you want the second bearing plate 132 to rotate clockwise (that is, adjust the pitch angle α of the second bearing plate 132), you can screw the vertical adjustment element 133 to increase the protruding amount of its end. If you want the second bearing plate 132 to rotate counterclockwise (that is, adjust the pitch angle α of the second bearing plate 132), you can screw the vertical adjustment element 133 to reduce the protruding amount of its end (when the second bearing plate 132 directly abuts against the first bearing plate 131, it is the maximum range for the second bearing plate 132 to rotate counterclockwise).

[0092] For another example, if it is desired to deflect the front end of the first carrier plate 131 (the end provided with the lens carrier plate 135) to the left (i.e., adjust the horizontal deflection angle β of the first carrier plate 131), the extension of the lateral adjustment element 134 on the left side can be made greater than that of the lateral adjustment element 134 on the right side. If it is desired to deflect the front end of the first carrier plate 131 (the end provided with the lens carrier plate 135) to the right (i.e., adjust the horizontal deflection angle β of the first carrier plate 131), the extension of the lateral adjustment element 134 on the right side can be made greater than that of the lateral adjustment element 134 on the left side.

[0093] Specifically referring to Figure 12 As shown, further, the clamping unit 130 includes at least a pair of elastic claws 136 pivotally provided on the lens carrier plate 135. A chute 136a is provided on the elastic claw 136, a guiding portion 137 provided on the lens carrier plate 135, a sliding portion 138 provided on the guiding portion 137, a protrusion 138d provided on the sliding portion 138 and mating with the chute 136a, and a cam 139 rotatably provided on the second carrier plate 132. Among them, the elastic claws 136 remain closed under normal conditions. The protruding portion of the cam 139 can push the sliding portion 138 to move relative to the guiding portion 137, so that the protrusion 138d provided on the sliding portion 138 moves within the chute 136a and causes the elastic claws 136 to open.

[0094] In this embodiment, rotating shaft seats are provided on the upper and lower portions of the lens carrier plate 135, and the elastic claws 136 are pivotally connected to the lens carrier plate 135 with the rotating shafts provided on the rotating shaft seats, thereby realizing the pivotal connection between the elastic claws 136 and the lens carrier plate 135. A torsion spring is provided on the rotating shaft. The leading ends of a pair of elastic claws 136 can clamp the carried lens 400 from the upper and lower directions. A chute 136a is obliquely provided at the tail of the elastic claw 136. Two pairs of such elastic claws 136 are provided in total.

[0095] In this embodiment, the guiding portion 137 is four straight rods, and the sliding portion 138 is a sliding block. One ends of the four straight rods are fixed on the lens carrier plate 135, and the other ends penetrate through the sliding portion 138, enabling the sliding portion 138 to move along the four straight rods. Springs are sleeved on the four straight rods, and the springs are located between the sliding portion 138 and the lens carrier plate 135 (provided at the Figure 11 G position shown in the figure, and the springs are not shown in the figure). Protrusions 138d are symmetrically provided on the side wall of the sliding portion 138 (the number of protrusions corresponds to the number of elastic claws 136).

[0096] In this embodiment, the cam 139 is connected to the second carrier plate 132 by a rotating shaft and can rotate vertically on the second carrier plate 132. When the cam 139 rotates to make its protruding portion contact the sliding portion 138, the protruding portion pushes the sliding portion 138 to move toward the elastic claw 136 side, and the protrusion 138d slides in the chute 136a, thereby causing the elastic claw 136 to open. To facilitate the rotation of the cam 139, a lever 139a is provided on the cam 139.

[0097] In other embodiments, the cam 139 is connected to the second carrier plate 132 by a rotating shaft and can rotate horizontally on the second carrier plate 132. Similarly, when the cam 139 rotates to make its protruding portion contact the sliding portion 138, the protruding portion pushes the sliding portion 138 to move toward the elastic claw 136 side, and the protrusion 138d slides in the chute 136a, thereby causing the elastic claw 136 to open. To facilitate the rotation of the cam 139, a lever 139a is provided on the cam 139.

[0098] Those skilled in the art should be able to understand that the lens carrier plate 135, the elastic claw 136, the guiding portion 137, the sliding portion 138, and the cam 139 form a complete set of precise locking and unlocking mechanisms for the lens 400, avoiding excessive touching of the lens 400 by the operator, thereby contaminating or damaging the lens 400. In particular, scratches on the working surface (the opposite surface of the bonding surface) of the lens 400 are avoided.

[0099] Specifically referring to Figure 10-11 As shown, further, a jig 200 for assembling a multi-faceted rotating mirror of a lidar includes a guide rail 140 provided on the second carrier plate 132. The guide rail 140 has a proximal end close to the fitting surface 310 and a distal end away from the fitting surface 310. A third carrier plate 180 provided on the guide rail 140, and the lens carrier plate 135 and the cam 139 are both provided on the third carrier plate 180 and can move along the guide rail 140 following the third carrier plate 180. When the third carrier plate 180 slides to the proximal end, the lens 400 can be adhesively bonded to the mirror frame 300 at a maintained angle.

[0100] In this embodiment, the guide rail 140 is fixed to the second carrier plate 132 by bolts.

[0101] In other embodiments, the guide rail 140 can also be arranged on the second carrier plate 132 by conventional methods such as adhesion, welding, and insertion.

[0102] In this embodiment, a push-pull handle 150 is further provided on the base 110. It adopts a quick-clamp structure, and its telescopic end is fixedly connected to the third carrier plate 180. By rotating the handle, the third carrier plate 180 can be pushed or pulled to move along the guide rail 140.

[0103] Those skilled in the art should be able to understand that when using the jig 200 provided in this embodiment, the operator first uses the push-pull handle 150 to pull the third carrier plate 180 to the distal end of the guide rail 140, and then uses the lens carrier plate 135, the elastic claws 136, the guiding portion 137, the sliding portion 138 and the cam 139 to cooperate with each other to clamp the lens 400 on the lens carrier plate 135. Then, the vertical adjustment element 133 is used to adjust the pitch angle α of the second carrier plate 132, and the horizontal adjustment element 134 is used to adjust the horizontal deflection angle β of the first carrier plate 131 (indirectly adjusting the vertical angle and dihedral angle of the lens 400). Finally, the push-pull handle 150 is used to push the third carrier plate 180 to the proximal end of the guide rail 140, a small gap is formed between the fitting surface 310 of the spectacle frame 300 and the lens 400, and then a liquid adhesive is filled in the small gap. After the adhesive is cured, an adhesive layer is formed, thereby eliminating the processing error.

[0104] In addition, the jig 200 provided in this embodiment can also be automatically controlled by a control system to facilitate automated assembly. For example, a motor, a cylinder, an electric push rod, a electro-hydraulic push rod, etc. are used to drive the third carrier plate 180 to slide on the guide rail 140. A motor, a cylinder, an electric push rod, a electro-hydraulic push rod, etc. are used to drive the cam 139 to rotate, so that the elastic claws 136 can automatically open. A robotic arm, a manipulator, etc. are used to place the lens 400 on the lens carrier plate 135 and remove the assembled multi-faceted rotating mirror from the positioning seat 120.

[0105] In the description of this specification, the description with reference to terms such as "certain embodiments", "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0106] In the present utility model, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "mounted", "connected", "connected to", "fixed", etc. should all be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0107] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not restrictive. Although the present utility model has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that any modification or equivalent replacement of the technical solutions of the present utility model does not depart from the spirit and scope of the technical solutions of the present utility model, and they should all be covered by the scope of the claims of the present utility model.

Claims

1. A jig for assembling a multi-faceted rotating mirror of a laser radar, wherein the multi-faceted rotating mirror has a frame and a plurality of lenses, wherein the frame has a plurality of fitting surfaces, and wherein: The fixtures include: Pedestal; A positioning seat disposed on the base for fixing the frame; and A plurality of clamping units corresponding to the number of the bonding surfaces are arranged on the base, and the lens can be clamped by the clamping units to adjust the angle, and a gap for filling with adhesive is formed between the lens and the bonding surface, so that the lens can be bonded to the frame while maintaining the angle.

2. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 1, characterized in that: The frame has a reference axis, the positioning seat is provided with a positioning hole capable of accommodating the reference axis, and the positioning seat is provided with at least one elastic pin, which can abut against the reference axis so that the reference axis is locked in the positioning hole.

3. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 2, characterized in that: The plurality of elastic pins are located on the same side of the positioning hole, and the reference axis can be pressed against the hole wall on the opposite side by the elastic pins.

4. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 1, characterized in that: The clamping unit comprises: A first supporting plate disposed on the base; A second bearing plate having a top wall located above the first bearing plate and side walls symmetrically located to the sides of the first bearing plate, wherein the top wall overlaps the first bearing plate and the side walls are gap-matched with the first bearing plate; At least one pair of vertical adjustment elements disposed on the top wall, for changing the pitch angle of the second supporting plate relative to the first supporting plate; at least two pairs of lateral adjustment elements symmetrically disposed on the side wall, for changing a horizontal deflection angle of the second supporting plate relative to the first supporting plate; and A lens supporting plate is disposed on the second supporting plate.

5. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 4, characterized in that: The clamping unit comprises: At least one pair of elastic claws pivotally disposed on the lens carrier plate, the elastic claws being kept closed in a normal state; A guide portion disposed on the second carrying plate; A sliding portion disposed on the guide portion; and A cam is rotatably disposed on the second carrying plate, and a protruding portion of the cam can push the sliding portion to move relative to the guide portion and abut against the elastic claw to drive the elastic claw to open.

6. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 4 or 5, characterized in that: include: A guide rail is arranged on the base, wherein the guide rail has a proximal end close to the fitting surface and a distal end away from the fitting surface, and the first supporting plate can slide on the guide rail. When the first supporting plate slides to the proximal end, the lens can be bonded to the frame while maintaining an angle.

7. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 6, characterized in that: A push-pull handle is provided at the tail of the first carrying plate or the second carrying plate.

8. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 1, characterized in that: The clamping unit comprises: A first supporting plate movably disposed on the base; a second carrying plate having one end pivotally connected to the first carrying plate, wherein the other end of the second carrying plate is provided with at least one vertical adjustment element for driving the second carrying plate to vertically pivot relative to the first carrying plate to change the pitch angle of the second carrying plate; a limiting plate disposed on the base and symmetrically located on the side of the first supporting plate, wherein the limiting plate is provided with at least one pair of lateral adjustment elements for changing a horizontal deflection angle of the first supporting plate relative to the base; and A lens supporting plate is arranged on the second supporting plate.

9. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 8, characterized in that: The clamping unit comprises: At least one pair of elastic claws pivotally disposed on the lens carrier plate, wherein the elastic claws are provided with sliding grooves, and the elastic claws are normally kept closed; A guide portion disposed on the lens carrying plate; A sliding portion disposed on the guide portion, wherein the sliding portion is provided with a protrusion that matches the slide groove; and A cam is rotatably disposed on the second carrier plate, and the protruding portion of the cam can push the sliding portion to move relative to the guiding portion, so that the protrusion disposed on the sliding portion moves in the sliding groove and the elastic claw opens.

10. The jig for assembling a multi-faceted rotating mirror of a laser radar according to claim 9, characterized in that: include: A guide rail disposed on the second carrying plate, the guide rail having a proximal end close to the fitting surface and a distal end away from the fitting surface; A third supporting plate is arranged on the guide rail, and the lens supporting plate and the cam are both arranged on the third supporting plate and can follow the third supporting plate to move along the guide rail. When the third supporting plate slides to the proximal end, the lens can be bonded to the frame while maintaining an angle.

Images