Laser ray correction system and correction method

Abstract

The invention discloses a laser ray correction system and method, and relates to the technical field of prefabricated shield segment production, the laser ray correction system comprises a limiting ring, a mounting ring, a limiting piece, a clamping mechanism, a calibration mirror and a plurality of vibration reduction mechanisms, the multiple vibration reduction mechanisms are arranged on the limiting ring at intervals in the circumferential direction of the limiting ring, and the multiple vibration reduction mechanisms are arranged on the limiting ring. Each damping mechanism extends along the axial direction of the limiting ring; each damping mechanism is connected with the mounting ring and the limiting ring; the limiting piece is arranged on the mounting ring; the clamping mechanism is slidably arranged on the mounting ring in the radial direction of the mounting ring so as to clamp or release the calibration mirror. Through the synergistic effect of the multiple vibration reduction mechanisms combined with the limiting pieces and the clamping mechanisms, the stability and durability of the calibration mirror are improved, the maintenance and replacement frequency of the calibration mirror is remarkably reduced, the daily maintenance requirement of the calibration mirror is remarkably reduced, and therefore the production cost of the prefabricated shield segment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated shield segment production, and in particular to a laser light correction system and correction method. Background Art

[0002] During construction, the accuracy of shield segment prefabrication is crucial. Laser positioning systems are gradually being widely used in this process due to their high accuracy and repeatability. With the continuous development of automation technology, laser calibration technology has shifted from early manual operations to more complex automatic calibration systems. However, despite the significant progress these systems have made in improving positioning accuracy, the wear problem of the calibration mirror has not been effectively solved, especially during the movement of the robotic arm, the impact of vibration on the calibration mirror gradually becomes apparent.

[0003] At present, laser positioning systems usually use laser rangefinders and 3D scanners to calibrate the shield segment prefabrication process, assisted by laser projection systems for construction guidance.

[0004] However, in actual applications, the robotic arm of the laser positioning system will generate vibrations when moving. These vibrations will directly affect the stability of the calibration mirror, causing the wear between the calibration mirror and the assembly part of the robotic arm to gradually increase, requiring frequent maintenance and replacement of the calibration mirror. Summary of the invention

[0005] The main purpose of the present invention is to propose a laser light correction system and correction method, which aims to reduce the impact of vibration generated by the movement of the robotic arm in the laser positioning system on the calibration mirror, improve the stability and durability of the calibration mirror, thereby reducing wear and tear, extending its service life, and reducing the need for frequent maintenance and replacement.

[0006] To achieve the above object, the laser light correction system proposed in the present invention comprises:

[0007] Limiting ring;

[0008] A plurality of vibration-damping mechanisms, wherein the plurality of vibration-damping mechanisms are arranged on the limiting ring at intervals along the circumferential direction of the limiting ring, and each of the vibration-damping mechanisms extends along the axial direction of the limiting ring;

[0009] A mounting ring, wherein the mounting ring is coaxially arranged with the limiting ring, and an accommodation space is formed between the outer wall of the mounting ring and the inner wall of the limiting ring; both ends of each of the vibration-damping mechanisms along the extension direction thereof are respectively a free end and a connecting end, the connecting end of each of the vibration-damping mechanisms is connected to the limiting ring, and the free end of each of the vibration-damping mechanisms extends into the accommodation space and is connected to the mounting ring;

[0010] A limiting piece, the limiting piece is arranged on the mounting ring;

[0011] A clamping mechanism, wherein the clamping mechanism is slidably disposed on the mounting ring along a radial direction of the mounting ring, the clamping mechanism and the limiting piece are disposed opposite to each other, and the clamping mechanism and the limiting piece together form a clamping space;

[0012] A calibration mirror is arranged in the clamping space, and the clamping mechanism can move along the radial direction of the mounting ring between a release position away from the calibration mirror and a clamping position close to the calibration mirror, and correspondingly releases or clamps the calibration mirror.

[0013] In one embodiment, the vibration damping mechanism includes a connecting seat, a compression spring and a clamping jaw assembly, wherein the connecting seat, the compression spring and the clamping jaw assembly are arranged at intervals along the circumference of the limiting ring, the connecting seat is connected to the inner wall of the limiting ring and forms the connecting end, one end of the compression spring is connected to the connecting seat, and the other end of the compression spring is connected to the clamping jaw assembly, and the clamping jaw assembly can detachably clamp the outer wall of the mounting ring and form the free end.

[0014] In one embodiment, the clamping jaw assembly includes an arc plate and a limit bar, the limit bar is in an L-shaped structure, one end of the limit bar is connected to the arc plate, and the other end of the limit bar is spaced from the arc plate to form an assembly space, a portion of the mounting ring is arranged in the assembly space, and the arc plate has a curvature that matches the mounting ring.

[0015] In one embodiment, a vibration isolation pad is provided on the side of the limiting strip and the arc-shaped plate facing the mounting ring.

[0016] In one embodiment, the clamping mechanism includes a guide column and a clamping plate, and the clamping plate and the limiting plate together form the clamping space; the guide column extends radially along the mounting ring, and the guide column is installed on the outer wall of the mounting ring; the clamping plate is slidably installed on the guide column and can move between the release position and the clamping position to correspondingly release or clamp the calibration mirror.

[0017] In one embodiment, a buffer is provided on a side of the clamping piece and the limiting portion of the limiting piece facing the calibration mirror.

[0018] In one embodiment, the calibration mirror includes a first strip-shaped mirror body, a second strip-shaped mirror body, a first grating, and a second grating. The first strip-shaped mirror body extends longitudinally to form a first calibration interval, and the first strip-shaped mirror body has a first curved side and a straight side on both sides of its extension direction; the second strip-shaped mirror body extends transversely to form a second calibration interval, and a portion of the first calibration interval overlaps with a portion of the second calibration interval to form a third calibration interval; the second strip-shaped mirror body has a second curved side and a third curved side on both sides of its extension direction; the first grating extends longitudinally, and the first grating is arranged between the first curved side and the straight side, and is located in the first calibration interval; the second grating extends transversely, and the second grating is arranged between the second curved side and the third curved side, and the second grating is located in the second calibration interval, and a portion of the first grating intersects a portion of the second grating in the third calibration interval.

[0019] In one embodiment, the curvature of the second arc-shaped side is the same as that of the third arc-shaped side, and the curvature of the second arc-shaped side is different from that of the first arc-shaped side.

[0020] In one embodiment, the calibration mirror further includes a first outer frame and a second outer frame, the first outer frame is arranged outside the first strip-shaped mirror body, the second outer frame is arranged outside the second strip-shaped mirror body, the first outer frame intersects with the second outer frame, and the intersection of the first outer frame and the second outer frame is connected.

[0021] The present invention further provides a laser beam correction method, using the laser beam correction system as described above, the laser beam correction method comprising:

[0022] Moving the clamping mechanism from the clamping position to the releasing position to expand the clamping space;

[0023] placing the calibration mirror into the clamping space, and moving the clamping mechanism from the release position to the clamping position;

[0024] The calibration mirror is used to calibrate the laser light of the laser positioning system.

[0025] The technical solution of the present invention not only improves the stability and durability of the calibration mirror, but also significantly reduces the maintenance and replacement frequency of the calibration mirror through the synergistic effect of multiple vibration-damping mechanisms combined with limit plates and clamping mechanisms. The vibration-damping mechanism can effectively absorb and dissipate the vibration from the mechanical arm, reduce the direct impact of the vibration on the calibration mirror, and enable the calibration mirror to maintain a good working condition in long-term practical applications, thereby extending its service life. The relative arrangement of the limit plate and the clamping mechanism makes the clamping and release of the calibration mirror more flexible, so as to facilitate instant adjustment under different operating conditions, which not only enhances the working stability of the calibration mirror, but also ensures that it is evenly stressed, thereby further reducing the risk of wear caused by vibration, significantly reducing the need for daily maintenance, and thus reducing the production cost of prefabricated shield segments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the structure of an embodiment of a laser light correction system provided by the present invention;

[0028] Figure 2 A schematic structural diagram of an embodiment of a vibration reduction mechanism provided by the present invention;

[0029] Figure 3 A schematic structural diagram of another embodiment of the vibration reduction mechanism provided by the present invention;

[0030] Figure 4 A schematic structural diagram of an embodiment of a calibration mirror provided by the present invention;

[0031] Figure 5 A schematic structural diagram of another embodiment of the calibration mirror provided by the present invention;

[0032] Figure 6 A schematic structural diagram of another embodiment of the calibration mirror provided by the present invention;

[0033] Figure 7 A schematic flow chart of an embodiment of a laser beam calibration method provided by the present invention.

[0034] Description of Figure Numbers:

[0035] 10. first strip mirror body; 11. first calibration interval; 12. first curved side; 13. straight side; 20. second strip mirror body; 21. second calibration interval; 22. second curved side; 23. third curved side; 30. third calibration interval; 40. first grating; 50. second grating; 41. first grating bar; 51. second grating bar; 60. first outer frame; 70. second outer frame; 80. calibration mirror body; 90. frame;

[0036] 100, mounting ring; 200, limiting plate; 300, clamping mechanism; 400, buffer member; 101, slot; 210, limiting portion; 301, clamping space; 310, guide column; 320, elastic reset member; 330, clamping plate; 500, limiting ring; 600, vibration reduction mechanism; 501, accommodating space; 610, connecting seat; 620, compression spring; 630, clamping claw assembly; 631, arc plate; 632, limiting strip; 601, assembly space.

[0037] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0040] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0041] At present, laser positioning systems usually use laser rangefinders and 3D scanners to calibrate the shield segment prefabrication process, assisted by laser projection systems for construction guidance.

[0042] However, in actual applications, the robotic arm of the laser positioning system will generate vibrations when moving. These vibrations will directly affect the stability of the calibration mirror, causing the wear between the calibration mirror and the assembly part of the robotic arm to gradually increase, requiring frequent maintenance and replacement of the calibration mirror.

[0043] In order to solve this technical problem, the present invention proposes a laser light correction system and correction method.

[0044] See also Figures 1 to 4 In one embodiment of the present invention, the laser beam correction system comprises a limit ring 500, a mounting ring 100, a limit plate 200, a clamping mechanism 300, a calibration mirror and a plurality of vibration reduction mechanisms 600. The plurality of vibration reduction mechanisms 600 are arranged on the limit ring 500 at intervals along the circumference of the limit ring 500, and each vibration reduction mechanism 600 extends along the axial direction of the limit ring 500; the mounting ring 100 is coaxially arranged with the limit ring 500, and an accommodating space 501 is formed between the outer wall of the mounting ring 100 and the inner wall of the limit ring 500; the two ends of each vibration reduction mechanism 600 along its extension direction are respectively a free end and a connecting end, and the connecting end of each vibration reduction mechanism 600 Connected to the limiting ring 500, the free end of each vibration damping mechanism 600 extends into the accommodating space 501 and is connected to the mounting ring 100; the limiting plate 200 is arranged on the mounting ring 100; the clamping mechanism 300 is slidably arranged on the mounting ring 100 along the radial direction of the mounting ring 100, the clamping mechanism 300 and the limiting plate 200 are arranged opposite to each other, and the clamping mechanism 300 and the limiting plate 200 jointly form a clamping space 301; the calibration mirror is arranged in the clamping space 301, and the clamping mechanism 300 can move along the radial direction of the mounting ring 100 between a release position away from the calibration mirror and a clamping position close to the calibration mirror, and correspondingly releases or clamps the calibration mirror.

[0045] It should be understood that the laser beam correction system includes a limit ring 500, a mounting ring 100, a limit plate 200, a clamping mechanism 300, a calibration mirror, and a plurality of vibration reduction mechanisms 600. The coaxial arrangement of the limit ring 500 and the mounting ring 100 forms a stable structural foundation. Through the accommodation space 501 between the inner wall of the limit ring 500 and the outer wall of the mounting ring 100, the vibration reduction mechanism 600 can efficiently exert its vibration reduction effect.

[0046] Specifically, multiple vibration reduction mechanisms 600 are arranged at intervals along the circumference of the limiting ring 500, so that the vibration reduction mechanisms 600 are evenly distributed within the entire circumference of the limiting ring 500, thereby reducing the impact of vibration on the calibration mirror when the robot moves. The connection end of the vibration reduction mechanism 600 is connected to the limiting ring 500, ensuring its stability and reliability, so that the free end can effectively absorb and dissipate the vibration from the robot. Such an arrangement not only enhances the stability of the calibration mirror, but also significantly extends the service life of the calibration mirror, reducing wear and maintenance frequency.

[0047] In addition, the limiting piece 200 is arranged on the mounting ring 100, taking into account the support and positioning functions of the structure. The limiting piece 200 not only stabilizes the position of the calibration mirror, but also cooperates with the clamping mechanism 300 to form a clamping space 301. The clamping mechanism 300 is slidable along the radial direction of the mounting ring 100, which facilitates the disassembly and assembly of the calibration mirror while ensuring that the calibration mirror can remain stable under different operating conditions.

[0048] In addition, the clamping mechanism 300 is arranged opposite to the limiting piece 200 and can move between a release position and a clamping position, so that the clamping mechanism 300 can quickly release or clamp the calibration mirror, which is convenient for timely adjustment in different operation stages. During the clamping process of the calibration mirror, the clamping mechanism 300 also ensures that the calibration mirror is evenly stressed, further reducing the risk of wear caused by vibration.

[0049] More specifically, the free end of each vibration reduction mechanism 600 extends into the accommodation space 501 and is connected to the mounting ring 100. The vibration reduction mechanism 600 can effectively isolate the external vibration transmission during operation to prevent the vibration from directly acting on the calibration mirror. In addition, the vibration reduction mechanism 600 can be adjusted according to the specific use environment to adapt to different vibration frequencies and amplitudes, thereby providing a guarantee for the precise positioning of the calibration mirror.

[0050] In the technical solution provided by the present invention, through the synergistic effect of multiple vibration reduction mechanisms 600 combined with the limit plate 200 and the clamping mechanism 300, not only the stability and durability of the calibration mirror are improved, but also the maintenance and replacement frequency of the calibration mirror are significantly reduced. The vibration reduction mechanism 600 can effectively absorb and dissipate the vibration from the mechanical arm, reduce the direct impact of the vibration on the calibration mirror, so that the calibration mirror can maintain a good working condition in long-term practical applications and extend its service life. The relative arrangement of the limit plate 200 and the clamping mechanism 300 makes the clamping and release of the calibration mirror more flexible, so as to facilitate instant adjustment under different operating conditions, which not only enhances the working stability of the calibration mirror, but also ensures that it is evenly stressed, thereby further reducing the risk of wear caused by vibration, significantly reducing the need for daily maintenance, and thus reducing the production cost of prefabricated shield segments.

[0051] Please continue reading Figure 2 In an embodiment of the present invention, the vibration reduction mechanism 600 includes a connecting seat 610, a compression spring 620 and a clamping jaw assembly 630. The connecting seat 610, the compression spring 620 and the clamping jaw assembly 630 are arranged at intervals along the circumference of the limiting ring 500. The connecting seat 610 is connected to the inner wall of the limiting ring 500 to form a connecting end. One end of the compression spring 620 is connected to the connecting seat 610, and the other end of the compression spring 620 is connected to the clamping jaw assembly 630. The clamping jaw assembly 630 is detachably clamped to the outer wall of the mounting ring 100 to form a free end.

[0052] Specifically, the connection seat 610 is connected to the inner wall of the limiting ring 500 to form the connection end of the vibration reduction mechanism 600, thereby ensuring the reliability and stability of the vibration reduction mechanism 600 during operation. One end of the compression spring 620 is connected to the connection seat 610, and the other end is connected to the clamping jaw assembly 630. The function of the compression spring 620 is to provide a moderate elastic force so that the clamping jaw assembly 630 can maintain flexibility and recovery ability when subjected to external vibration, thereby effectively absorbing and buffering vibration.

[0053] More specifically, the clamping jaw assembly 630 is detachably clamped to the outer wall of the mounting ring 100, which improves the convenience of maintenance. When the staff is maintaining or replacing the calibration mirror, they can quickly release the clamping jaw for easy operation without disassembling the entire structure. At the same time, the clamping jaw assembly 630 can firmly clamp the calibration mirror to ensure that it is not disturbed unnecessarily in the working state, further reducing the risk of wear.

[0054] Please continue reading Figure 3In an embodiment of the present invention, the clamping jaw assembly 630 includes an arc plate 631 and a limiting bar 632. The limiting bar 632 is L-shaped. One end of the limiting bar 632 is connected to the arc plate 631. The other end of the limiting bar 632 and the arc plate 631 are spaced apart to form an assembly space 601. Part of the mounting ring 100 is arranged in the assembly space 601. The arc plate 631 has a curvature that is compatible with the mounting ring 100.

[0055] Specifically, the limiting strip 632 is L-shaped, one end of which is connected to the arc plate 631 and the other end is spaced apart from the arc plate 631 to form an assembly space 601, so that the clamping jaw assembly 630 can flexibly adapt to the shape of the mounting ring 100 during the clamping process.

[0056] The assembly space 601 allows part of the mounting ring 100 to be smoothly placed therein, thereby ensuring a good fit between the clamping jaw assembly 630 and the mounting ring 100. The curvature of the arc plate 631 is adapted to the mounting ring 100. This matching design not only enhances the stability of the clamping, but also ensures that the clamping jaw assembly 630 can apply pressure evenly during clamping, thereby reducing potential damage to the calibration mirror. Through the combination of the arc plate 631 and the limit bar 632, the clamping jaw assembly 630 can provide a smooth and reliable operating experience during the clamping and releasing process. Especially when maintaining or replacing the calibration mirror, the user can easily adjust the clamping jaw assembly 630 to achieve quick release or clamping without affecting the overall stability of the laser positioning system.

[0057] In the embodiment of the present invention, a vibration isolation pad is disposed on the side of the limiting strip 632 and the arc plate 631 facing the mounting ring 100 .

[0058] Specifically, the isolation pad can effectively isolate the vibration from the robot arm or other external sources and play a buffering role. The isolation pad is combined with the limit bar 632 and the arc plate 631 to form a multi-level vibration reduction system. The isolation pad can further absorb and dissipate the vibration energy and reduce the possibility of them being transmitted to the mounting ring 100 and the calibration mirror.

[0059] In addition, when the clamping jaw assembly 630 clamps the calibration mirror, the seismic isolation pad can provide more uniform pressure while avoiding tiny displacements caused by vibration, thereby further protecting the accuracy and stability of the calibration mirror.

[0060] Please continue reading Figure 1 and Figure 4In an embodiment of the present invention, the clamping mechanism 300 includes a guide column 310 and a clamping plate 330. The clamping plate 330 and the limiting plate 200 together form a clamping space 301. The guide column 310 extends radially along the mounting ring 100. The guide column 310 is installed on the outer wall of the mounting ring 100. The clamping plate 330 is slidably installed on the guide column 310 and can move between a release position and a clamping position to release or clamp the calibration mirror accordingly.

[0061] Specifically, the clamping piece 330 and the limiting portion 210 of the limiting piece 200 together form a clamping space 301 for accommodating the calibration mirror. The clamping piece 330 can move between a release position and a clamping position to achieve the release or clamping of the calibration mirror. The guide post 310 extends radially along the mounting ring 100 and is mounted on the outer wall of the mounting ring 100. The clamping piece 330 can be slidably mounted on the guide post 310 to guide the movement of the clamping piece 330 in the radial direction of the mounting ring 100, thereby improving the clamping stability of the calibration mirror. The elastic reset member 320 is sleeved on the guide post 310 and is located between the clamping piece 330 and the mounting ring 100. To provide elastic force, the clamping piece 330 automatically returns to the preset position after release, ensuring that the clamping piece 330 can stably clamp the calibration mirror.

[0062] As an optional implementation of this embodiment, in an embodiment of the present invention, the clamping mechanism 300 also includes a radial displacement driving member, which is installed on the mounting ring 100. The radial displacement driving member is connected to the clamping plate 330 and is used to drive the clamping plate 330 to move between a release position and a clamping position, thereby releasing or clamping the calibration mirror accordingly.

[0063] Specifically, the radial displacement drive provides power support for the clamping mechanism 300, so that the operator can quickly adjust the position of the clamping piece 330 through simple operations, and can easily complete the clamping or release of the calibration mirror, which greatly reduces the complexity and time cost of manual operation. In addition, the radial displacement drive also ensures the stability of the clamping piece 330 during the movement process, avoiding damage to the calibration mirror due to unnecessary shaking during clamping or release. In addition, the use of the radial displacement drive also effectively improves the accuracy of the operation, so that the calibration mirror can be accurately positioned in the clamping space 301, further enhancing the overall performance of the laser positioning system.

[0064] Please continue reading Figure 1 and Figure 4 As another optional implementation of this embodiment, the clamping mechanism 300 also includes an elastic return member 320, which is sleeved on the guide column 310, and one end of the elastic return member 320 is connected to the clamping plate 330, and the other end of the elastic return member 320 is connected to the mounting ring 100.

[0065] Specifically, the provision of the elastic reset member 320 greatly enhances the automation function of the clamping mechanism 300. When the operator moves the clamping plate 330 to the release position, the elastic reset member 320 will restore the clamping plate 330 to the clamping position through its elastic properties. This automatic reset function not only reduces the operator's manual intervention and improves work efficiency, but also ensures that the calibration mirror will not fall off due to accidental collision in the non-clamped state. In addition, the elastic reset member 320 can absorb external shocks or vibrations, further enhancing the stability of the clamping plate 330, so as to effectively avoid the position deviation of the calibration mirror caused by vibration, and ensure the accuracy and stability of the laser light.

[0066] More specifically, the elastic reset member 320 is a spring, one end of the elastic reset member 320 is connected to the side of the clamping piece 330 facing the mounting ring 100, and the other end of the elastic reset member 320 is connected to the outer wall of the mounting ring 100. In this embodiment, the guide column 310 is used to provide a stable sliding path for the clamping piece 330, and combined with the deformation reset function of the elastic reset member 320, it is ensured that the clamping piece 330 can be quickly and reliably moved to the desired position, thereby enhancing the convenience and stability of the assembly and disassembly operation of the calibration mirror.

[0067] In the embodiment of the present invention, a buffer member 400 is provided on both the clamping piece 330 and the limiting portion 210 of the limiting piece 200 facing the calibration mirror.

[0068] It should be noted that the buffer member 400 is a rubber member in the prior art.

[0069] Specifically, the buffer 400 can effectively absorb the impact force between the clamping piece 330 and the calibration mirror, reduce the damage caused by collision during the clamping or releasing process, and thus protect the calibration mirror and its optical properties. In addition, during the operation of the laser transmitter, vibration or external shock may occur, and the buffer 400 can provide additional shock absorption effect to ensure that the calibration mirror always maintains a stable working state. In addition, by using the buffer 400 to provide a soft contact surface during the clamping process, it helps to prevent the calibration mirror from being offset or inaccurately positioned during the clamping process, thereby improving the overall calibration accuracy of the laser positioning system. In addition, the use of the buffer 400 can reduce the wear on the clamping mechanism 300 and the calibration mirror caused by frequent operations, thereby extending the service life.

[0070] Please continue reading Figures 1 to 4 , and see Figure 5 and Figure 6In an embodiment of the present invention, the calibration mirror comprises a first strip mirror body 10, a second strip mirror body 20, a first grating 40 and a second grating 50. The first strip mirror body 10 extends longitudinally to form a first calibration interval 11. The first strip mirror body 10 has a first curved side 12 and a straight side 13 on both sides of its extension direction. The second strip mirror body 20 extends transversely to form a second calibration interval 21. Part of the first calibration interval 11 overlaps part of the second calibration interval 21 to form a third calibration interval 30. The second strip mirror body 20 extends transversely to form a second calibration interval 21. Part of the first calibration interval 11 overlaps part of the second calibration interval 21 to form a third calibration interval 30. The mirror body 20 has a second curved side 22 and a third curved side 23 on both sides of its extension direction; the first grating 40 extends longitudinally, is arranged between the first curved side 12 and the straight side 13, and is located in the first calibration interval 11; the second grating 50 extends transversely, is arranged between the second curved side 22 and the third curved side 23, is located in the second calibration interval 21, and a portion of the first grating 40 and a portion of the second grating 50 intersect in the third calibration interval 30.

[0071] It should be noted that Figure 6 The dotted boxes in are only used to illustrate the ranges of the first calibration interval 11 , the second calibration interval 21 and the third calibration interval 30 .

[0072] It should be understood that the clamping piece 330 is spaced apart from the first curved side 12 of the first strip mirror body 10, and the clamping piece 330 has a curvature that matches the first curved side 12. When the clamping piece 330 is manually pulled up from the clamping position to the release position, the spring is in a stretched state, and the first strip mirror body 10 and the second strip mirror body 20 are placed in the clamping space 301, so that the second curved side 22 and the third curved side 23 of the second strip mirror body 20 are respectively abutted against the limiting portions 210 of the two limiting pieces 200; when the clamping piece 330 is released, the spring is reset to drive the clamping piece 330 to move from the release position to the clamping position, thereby clamping the first strip mirror body 10 and the second strip mirror body 20 in the clamping space 301, so as to simplify the disassembly and assembly process of the calibration mirror and improve the prefabrication production efficiency of the shield segment.

[0073] Specifically, the first strip mirror 10 and the first grating 40 together form a calibration area of ​​the longitudinal strip light path. The first grating 40 is arranged in the longitudinal direction, and guides the light to form a stable longitudinal strip light path through its tiny structural interval. The first calibration interval 11 is used to calibrate the longitudinal strip light path.

[0074] Similarly, the second grating 50 of the second strip-shaped mirror body 20 is arranged in the transverse direction, and generates a transverse strip light path through its tiny structural interval. The second calibration interval 21 is used to calibrate the transverse strip light path.

[0075] At the intersection of the first grating 40 and the second grating 50, a third calibration section 30 of the grid-shaped optical path is formed. This area utilizes the combination of the first grating 40 and the second grating 50 to achieve multi-dimensional optical path calibration. The crossed grating structure allows the light to be adjusted and corrected in both the vertical and horizontal directions, ensuring high-precision transmission of light in a complex optical path layout.

[0076] More specifically, the first curved side 12 of the first strip mirror body 10 can change the propagation path of the light, and by adjusting the curvature of the first strip mirror body 10, the light can be guided to pass through the calibration area more accurately when passing through the first strip mirror body 10. It can be understood that the second curved side 22 and the third curved side 23 of the second strip mirror body 20 have the same function as the first curved side 12.

[0077] This embodiment realizes multi-dimensional optical path calibration in a limited space by forming a first calibration interval 11, a second calibration interval 21 and a third calibration interval 30 by the first strip mirror body 10 and the second strip mirror body 20, and by using the combination of the first grating 40 and the second grating 50. The first arc side 12 is combined with the longitudinal grating to calibrate the longitudinal optical path transmission error. The second strip mirror body 20 forms a stable transverse optical path through the second arc side 22, the third arc side 23 and the transverse grating to calibrate the transmission error of the transverse optical path. In the intersection area of ​​the first grating 40 and the second grating 50, that is, the third calibration interval 30, the combination of the longitudinal optical path and the transverse optical path forms a calibration interval of the grid-like optical path, providing a multi-dimensional optical path calibration capability. The first arc side 12 and the second arc side 22 of different curvatures correct the influence of the edge of the mirror body on the optical path, further improving the accuracy of optical path transmission. Through the synergistic effect of the above-mentioned structures, the present invention can not only meet the calibration requirements of various laser optical paths through a calibration mirror, but also improve the accuracy and reliability of the overall laser positioning system, thereby greatly improving the quality of finished products and production efficiency during the prefabrication process of shield segments.

[0078] As an optional implementation of the calibration mirror, the first grating 40 includes a plurality of first grating bars 41 , one end of each first grating bar 41 abuts against the first arc-shaped side 12 , and the other end of each first grating bar 41 abuts against the straight side 13 .

[0079] Specifically, the first grating 40 includes a plurality of first grid bars 41, one end of each first grid bar 41 abuts against the first curved side 12, and the other end of each first grid bar 41 abuts against the straight side 13. The first grating 40 can provide a stable guiding effect when light passes through. At the same time, the abutment between the straight side 13 and the first grid bars 41 ensures that the light can maintain a straight line when passing through the grating. The first grating 40 realizes the calibration process of the light in the first calibration interval 11 in the longitudinal direction through the arrangement of the plurality of first grid bars 41, and utilizes the light refraction characteristics of the first curved side 12 and the light reflection characteristics of the straight side 13, so that the light can stably propagate within the preset path, thereby realizing accurate optical path calibration.

[0080] Please continue reading Figure 3 As another optional implementation of the calibration mirror, the second grating 50 includes a plurality of second grating bars 51 , one end of each second grating bar 51 abuts against the second arc-shaped side 22 , and the other end of each second grating bar 51 abuts against the third arc-shaped side 23 .

[0081] Specifically, when the light contacts the contact points between the second grid bars 51 and the second curved side 22 and the third curved side 23, the propagation path of the light is adjusted so that the light maintains the preset refraction angle in the lateral direction. The interaction between the second curved side 22 and the third curved side 23 ensures that the light can adapt to the preset refraction angle when entering the second grating 50. The second grating 50 realizes the calibration process of the light in the second calibration interval 21 through the arrangement of the plurality of second grid bars 51.

[0082] Please continue reading Figure 5 As another optional implementation of the calibration mirror, the first strip-shaped mirror body 10 and the second strip-shaped mirror body 20 intersect to form a T-shaped structure.

[0083] Specifically, the intersection of the first strip-shaped mirror body 10 and the second strip-shaped mirror body 20 is the third calibration interval 30 , and the second calibration interval 21 formed by the second strip-shaped mirror body 20 is located on two opposite sides of the third calibration interval 30 .

[0084] More specifically, in the third calibration interval 30, multi-dimensional optical path adjustment is achieved. The longitudinal calibration function of the first strip mirror body 10 is combined with the lateral calibration function of the second strip mirror body 20 to form a stable optical path intersection. The second calibration intervals 21 located on opposite sides of the third calibration interval 30 further expand the control range of the optical path. Through the extension of the second strip mirror body 20, multiple second calibration intervals 21 also provide additional calibration capabilities for the optical path calibration process, meeting the calibration of complex optical paths.

[0085] As another optional implementation of the calibration mirror, the first strip mirror body 10 and the second strip mirror body 20 are integrally formed. The stability of the overall structure of the calibration mirror is enhanced, and when the light passes through the integrally formed first strip mirror body 10 and the second strip mirror body 20, a continuous and consistent calibration effect can be obtained, without being affected by the connection between the first strip mirror body 10 and the second strip mirror body 20 to generate errors.

[0086] In addition, the integrally formed first strip-shaped mirror body 10 and second strip-shaped mirror body 20 simplifies the manufacturing process of the calibration mirror, reduces the assembly steps, thereby reducing production costs and time, and significantly improves the stability and accuracy of the optical path, thereby improving the reliability of the calibration results of the laser positioning system.

[0087] As an optional implementation manner of the present embodiment, the calibration mirror is composed of a frame 90 and a calibration mirror body 80 (that is, the calibration mirror in the present embodiment includes a first strip-shaped mirror body 10, a second strip-shaped mirror body 20, a first grating 40 and a second grating 50), the frame 90 is arranged on the calibration mirror body 80 along the circumferential frame of the calibration mirror body 80, and the frame 90 and the calibration mirror body 80 are both arranged in the clamping space 301; the outer wall of the mounting ring 100 is recessed to form a slot 101, and a protrusion is provided on the frame 90 at a position corresponding to the slot 101, and the protrusion extends into the slot 101 and is detachably connected to the slot 101.

[0088] Specifically, the frame 90 provides additional support for the calibration mirror body 80, which helps prevent the calibration mirror body 80 from being displaced due to external forces during operation. In addition, the shape design of the frame 90 can increase the impact resistance of the calibration mirror, ensuring that it can still maintain good performance under high-frequency use. The cooperation between the frame 90 and the calibration mirror body 80 enables the entire calibration mirror to form a compact and stable unit in the clamping space 301.

[0089] At the same time, the outer wall of the mounting ring 100 is recessed to form a slot 101, and a protrusion is provided at the position of the frame 90 corresponding to the slot 101. The protrusion extends into the slot 101 and is detachably connected to the slot 101, further improving the stability of the calibration mirror, not only facilitating the rapid installation and removal of the calibration mirror, but also ensuring a firm connection while avoiding wear or damage caused by long-term use. The operator can easily fix the calibration mirror in the clamping space 301, ensuring its stability and accuracy when the laser positioning system is working.

[0090] As an optional implementation of this embodiment, there are multiple slots 101, which are arranged at circumferential intervals along the mounting ring 100, and there are multiple protrusions, which are consistent with the number of slots 101 and are arranged one-to-one.

[0091] Specifically, there are multiple slots 101, and the multiple slots 101 are evenly spaced along the circumference of the mounting ring 100, so that the calibration mirror can be flexibly fixed at multiple positions, increasing the flexibility and adaptability of installation. At the same time, the setting of multiple slots 101 can meet the needs of different application scenarios, allowing operators to select the most suitable installation position according to specific circumstances, thereby further improving the stability and accuracy of the calibration mirror.

[0092] Correspondingly, the number of the protrusions is also multiple, and is consistent with the number of the card slots 101, forming a one-to-one corresponding structure, ensuring that each card slot 101 has a corresponding protrusion for fixing, avoiding the problem of unstable installation caused by insufficient or excessive number of protrusions. Through this corresponding relationship, when installing the calibration mirror, the operator can quickly and accurately align the protrusion with the card slot 101 to achieve a stable connection. Therefore, this embodiment not only improves the convenience of installation of the calibration mirror, but also enhances its safety during operation. Whenever the calibration mirror is connected to the card slot 101 through the corresponding protrusion, it can not only firmly fix the position, but also effectively resist external forces during the operation of the laser positioning system, preventing the calibration mirror from being displaced or damaged due to vibration.

[0093] In the embodiment of the present invention, the curvature of the second arc-shaped side 22 is the same as that of the third arc-shaped side 23 , and the curvature of the second arc-shaped side 22 is different from that of the first arc-shaped side 12 .

[0094] Specifically, the curvature of the first curved side 12 is different from that of the second curved side 22, and the influence of the edges of the mirror body with different curvatures on the optical path is calibrated. The synergy of the first curved side 12, the second curved side 22, the third curved side 23, the first grating 40, and the second grating 50 is not only a simple path adjustment, but also a comprehensive calibration of the light, which can significantly improve the accuracy of the optical path. It ensures that the light can be transmitted along the optimal path under a complex optical path layout, greatly reducing the error of the laser positioning system and improving the overall calibration effect.

[0095] In an embodiment of the present invention, the calibration mirror also includes a first outer frame 60 and a second outer frame 70. The first outer frame 60 is arranged outside the first strip-shaped mirror body 10, and the second outer frame 70 is arranged outside the second strip-shaped mirror body 20. The first outer frame 60 intersects with the second outer frame 70, and the intersection of the first outer frame 60 and the second outer frame 70 is connected.

[0096] Specifically, the first outer frame 60 and the second outer frame 70 provide stable support and protection for the first strip mirror body 10 and the second strip mirror body 20, respectively, thereby enhancing the durability of the calibration mirror and reducing the adverse effects of the external environment on the optical path calibration process.

[0097] Based on the above-mentioned slot 101, as an optional implementation of this embodiment, the first outer frame 60 and the second outer frame 70 are both provided with a bump on one side facing the mounting ring 100. The bump not only plays a role in strengthening the connection, but also can match the slot 101 of the mounting ring 100, further ensuring the firm connection between the frame 90 and the mounting ring 100, so that the calibration mirror can maintain a good positioning in the clamping space 301, and prevent displacement caused by vibration or external force.

[0098] Please continue reading Figures 1 to 6 , and see Figure 7 The present invention further proposes a laser beam correction method, using the laser beam correction system as described above, the laser beam correction method comprising:

[0099] Step S10, moving the clamping mechanism 300 from the clamping position to the releasing position to expand the clamping space 301;

[0100] Step S20, placing the calibration mirror into the clamping space 301, and moving the clamping mechanism 300 from the release position to the clamping position;

[0101] Step S30: using the calibration mirror to calibrate the laser light of the laser positioning system.

[0102] Specifically, first, the clamping mechanism 300 moves from the clamping position to the release position to expand the clamping space 301 to provide sufficient space for the subsequent placement of the calibration mirror. In this preparation stage, ensure that the clamping mechanism 300 is fully opened so that the calibration mirror can be easily placed. Then, the user places the calibration mirror into the enlarged clamping space 301 to ensure that it is accurately positioned. Once the calibration mirror is properly placed, the clamping mechanism 300 will move again from the release position back to the clamping position to firmly clamp the calibration mirror to ensure that it will not be displaced during the calibration process. Finally, using the clamped calibration mirror, the operator can accurately calibrate the laser light of the laser positioning system. At this time, the calibration mirror enables the direction and position of the laser light to be accurately adjusted, thereby significantly improving the calibration accuracy and stability of the laser positioning system.

[0103] It should be understood that the specific structure of the laser light correction system refers to the above-mentioned embodiments. Since the laser light correction method adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here. Among them, the clamping mechanism 300 enables the calibration mirror to be firmly clamped on the mounting ring 100 to avoid errors caused by vibration or displacement during the laser light correction process of the laser positioning system. In addition, the simple operation and high efficiency during the correction process also greatly improve the user experience, making the laser light correction work more efficient and accurate.

[0104] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A laser beam calibration system, characterized in that: include: Limiting ring; A plurality of vibration-damping mechanisms, wherein the plurality of vibration-damping mechanisms are arranged on the limiting ring at intervals along the circumferential direction of the limiting ring, and each of the vibration-damping mechanisms extends along the axial direction of the limiting ring; A mounting ring, wherein the mounting ring is coaxially arranged with the limiting ring, and an accommodation space is formed between the outer wall of the mounting ring and the inner wall of the limiting ring; both ends of each of the vibration-damping mechanisms along the extension direction thereof are respectively a free end and a connecting end, the connecting end of each of the vibration-damping mechanisms is connected to the limiting ring, and the free end of each of the vibration-damping mechanisms extends into the accommodation space and is connected to the mounting ring; A limiting piece, the limiting piece is arranged on the mounting ring; A clamping mechanism, wherein the clamping mechanism is slidably disposed on the mounting ring along a radial direction of the mounting ring, the clamping mechanism and the limiting piece are disposed opposite to each other, and the clamping mechanism and the limiting piece together form a clamping space; A calibration mirror is arranged in the clamping space, and the clamping mechanism can move along the radial direction of the mounting ring between a release position away from the calibration mirror and a clamping position close to the calibration mirror, and correspondingly releases or clamps the calibration mirror.

2. The laser beam correction system according to claim 1, characterized in that: The vibration damping mechanism includes a connecting seat, a compression spring and a clamping jaw assembly, wherein the connecting seat, the compression spring and the clamping jaw assembly are arranged at intervals along the circumference of the limiting ring, the connecting seat is connected to the inner wall of the limiting ring to form the connecting end, one end of the compression spring is connected to the connecting seat, and the other end of the compression spring is connected to the clamping jaw assembly, and the clamping jaw assembly can detachably clamp the outer wall of the mounting ring to form the free end.

3. The laser beam correction system according to claim 2, characterized in that: The clamping jaw assembly includes an arc plate and a limit bar, the limit bar is in an L-shaped structure, one end of the limit bar is connected to the arc plate, and the other end of the limit bar is spaced from the arc plate to form an assembly space, part of the mounting ring is arranged in the assembly space, and the arc plate has a curvature that matches the mounting ring.

4. The laser beam correction system according to claim 3, characterized in that: The limiting strip and the arc-shaped plate are both provided with a vibration isolation pad on one side facing the mounting ring.

5. The laser beam correction system according to any one of claims 1 to 4, characterized in that: The clamping mechanism includes a guide column and a clamping plate, and the clamping plate and the limiting plate together form the clamping space; the guide column extends radially along the mounting ring, and the guide column is installed on the outer wall of the mounting ring; the clamping plate is slidably installed on the guide column and can move between the release position and the clamping position to release or clamp the calibration mirror accordingly.

6. The laser beam correction system according to claim 5, characterized in that: A buffer is provided on one side of the clamping piece and the limiting portion of the limiting piece facing the calibration mirror.

7. The laser beam correction system according to any one of claims 1 to 4, characterized in that: The calibration mirror includes a first strip-shaped mirror body, a second strip-shaped mirror body, a first grating and a second grating. The first strip-shaped mirror body extends longitudinally to form a first calibration interval. The first strip-shaped mirror body has a first curved side and a straight side on both sides of its extension direction; the second strip-shaped mirror body extends transversely to form a second calibration interval. Part of the first calibration interval overlaps with part of the second calibration interval to form a third calibration interval; the second strip-shaped mirror body has a second curved side and a third curved side on both sides of its extension direction; the first grating extends longitudinally, the first grating is arranged between the first curved side and the straight side, and is located in the first calibration interval; the second grating extends transversely, the second grating is arranged between the second curved side and the third curved side, the second grating is located in the second calibration interval, and part of the first grating intersects with part of the second grating in the third calibration interval.

8. The laser beam correction system according to claim 7, characterized in that: The second arc-shaped side has the same curvature as the third arc-shaped side, and the second arc-shaped side has a different curvature from the first arc-shaped side.

9. The laser beam correction system according to claim 7, characterized in that: The calibration mirror also includes a first outer frame and a second outer frame, the first outer frame is arranged outside the first strip mirror body, the second outer frame is arranged outside the second strip mirror body, the first outer frame intersects with the second outer frame, and the intersection of the first outer frame and the second outer frame is connected.

10. A laser beam calibration method, characterized in that: The laser beam correction system according to any one of claims 1 to 9 is applied, wherein the laser beam correction method comprises: Moving the clamping mechanism from the clamping position to the releasing position to expand the clamping space; placing the calibration mirror into the clamping space, and moving the clamping mechanism from the release position to the clamping position; The calibration mirror is used to calibrate the laser light of the laser positioning system.

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