A laser ranging mechanism with high measuring accuracy

Abstract

The application discloses a laser ranging mechanism with high measuring precision, which comprises a fixing base, an adjusting mechanism is arranged on the fixing base, a transmission rod rotates the fixing base, an axial mechanism is installed on the fixing base, a rotation base is provided with a pitching groove, a pitching block is slidably connected in the pitching groove, the adjusting mechanism is matched with the rotation base and the pitching block to realize the adjustment of the pitching angle, the flexibility of the adjustment is ensured by the design of a multidirectional base and a follow-up ball, the switching of coarse adjustment and fine adjustment is realized by the cooperation of coarse and fine screw rods, the precision and efficiency of the adjustment are greatly improved, meanwhile, the setting of side springs increases the stability of the adjustment process and prevents accidental loosening, in addition, the design of a synchronous ring and a synchronous sleeve ensures the synchronization during the coarse adjustment and fine adjustment process, avoids errors in the adjustment process, the setting of a display screen and a scale makes the adjustment process more intuitive and accurate, is favorable for operators to quickly find the best measuring angle, and improves the measuring precision and use convenience of the laser range finder.

Description

Technical Field

[0001] The present invention relates to the technical field, and more particularly to a laser distance measuring mechanism with high measurement accuracy. Background Art

[0002] In current indoor laser ranging technology, the commonly used method is to place the laser rangefinder on a plane indoors for measurement. Surveyors usually choose a relatively flat surface, such as a table, floor, or wall, and place the rangefinder on it. Then, the distance is measured by emitting a laser beam and receiving the reflected signal. This method is simple, direct, and easy to operate, so it is very common in daily use. However, this measurement method has a significant drawback, that is, the accuracy is often not ideal.

[0003] The main reason for the lack of accuracy is that simply placing the rangefinder on a plane does not guarantee that it remains completely parallel to the measured plane. In fact, there is often a small angular deviation between the laser rangefinder and the measured plane. This deviation is mainly reflected in the pitch angle and axial angle. Even subtle deviations that are difficult to detect with the naked eye will have a significant impact on the measurement results. This is because during the propagation of the laser, small changes in the angle will be magnified by the distance, resulting in an error between the measurement result and the actual distance. This error not only affects the accuracy of a single measurement, but also accumulates when performing multiple measurements or large-scale measurements, ultimately leading to a reduction in the overall measurement accuracy. Summary of the Invention

[0004] (1) Technical problems solved

[0005] In view of the problems existing in the prior art, the present invention provides a laser ranging mechanism with high measurement accuracy to solve the technical problems mentioned in the background technology.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a laser ranging mechanism with high measurement accuracy, comprising a fixed seat, an adjustment mechanism provided on the fixed seat, the adjustment mechanism comprising an axial mechanism, a rotating seat, a transmission rod, a pitch block, a side spring, a multi-directional seat, a follower ball, an extension rod, a bottom block, a top block, a guide rod, a thick screw, a thin screw and a fixing mechanism, the transmission rod is mounted on the rotating seat, the transmission rod rotates in the fixed seat, the axial mechanism is mounted on the fixed seat, a pitch slot is provided on the rotating seat, the pitch block is slidably connected in the pitch slot, and two are mounted on the pitch block. The side springs and the two side springs are respectively connected to the rotating seat, and a plurality of the multi-directional seats are respectively provided on the rotating seat and the pitch block, and each of the multi-directional seats is respectively rotatably connected to a follower ball, and each of the follower balls is respectively installed with an extension rod, and the extension rods at the upper and lower ends are respectively installed with a top block and a bottom block, and the top block and the bottom block are respectively provided with a guide hole, and the guide rod is slidably connected in the guide hole, the fine screw is threadedly connected to the top block, and the coarse screw is threadedly connected to the bottom block, the pitch of the coarse screw is slightly larger than the pitch of the fine screw, and the fixing mechanism is respectively installed on the coarse screw.

[0008] The present invention is further configured such that a laser rangefinder is provided on the pitch block, a display screen is provided on the upper end surface of the laser rangefinder, the display screen and the laser rangefinder are electrically connected, and a plurality of scales are provided on the side wall of the fixing seat. This configuration enables the distance measurement results to be displayed intuitively, and the operator can observe the measurement data in real time. At the same time, the scales on the fixing seat can assist in adjusting the angle, thereby improving the measurement accuracy and the convenience of operation.

[0009] The present invention is further configured such that synchronous rings are coaxially provided on the fine screw and the coarse screw, a synchronous sleeve is rotatably provided between the two synchronous rings, a sliding hole is provided in the coarse screw, a push rod is slidably provided in the sliding hole, an internal rod is provided on the push rod, and an internal groove is provided on the coarse screw, the internal rod is slidably connected in the internal groove, and an internal hole is provided in the fine screw. This design realizes the switching function of coarse adjustment and fine adjustment, the synchronous ring and the synchronous sleeve ensure the synchronous movement of the two screws, and the cooperation of the internal rod and the internal groove provides a stable guide, making the adjustment process smoother and more precise.

[0010] The present invention is further configured as follows: the push rod is provided with a push plate, the push plate is provided with a telescopic plate, the telescopic plate is provided with a positioning groove, and a positioning block is coaxially provided on the push rod, and the positioning block is stuck in the positioning groove. This structural design allows the coarse adjustment and fine adjustment states to be switched by a simple push-pull operation. The cooperation between the positioning block and the positioning groove ensures the stability of the two states, thereby improving the reliability and ease of use of the adjustment mechanism.

[0011] The present invention is further configured such that a rotating rod is coaxially provided on the thin screw, and a plurality of vertical grooves are equidistantly provided on the side wall of the rotating rod. This design provides a convenient adjustment interface for the operator. The setting of the vertical grooves increases the friction of the rotating rod, making the adjustment more precise and stable, and also facilitates the operator to apply force.

[0012] The present invention is further configured as follows: the fixing mechanism includes a mounting sleeve, a telescopic rod, a retraction block, a push spring, a friction block, a guide head and a round head. The mounting sleeve is installed in the bottom block, and the telescopic rod is slidably connected in the mounting sleeve. The telescopic rod is installed on the telescopic disk. A plurality of oblique grooves are equidistantly provided on the inner wall of the mounting sleeve, and the retraction block is slidably connected in each of the oblique grooves. A plurality of push springs are respectively installed on each of the retraction blocks, and a plurality of friction blocks are respectively installed on the push springs. The friction blocks abut against the telescopic rod, and a guide head is respectively installed on both sides of each of the friction blocks, and a round head is installed on the telescopic rod. This complex fixing mechanism design realizes an automatic locking function. Through the cooperation of the oblique groove and the retraction block, the friction force can be automatically increased under the action of thrust, thereby achieving a stable fixing effect. At the same time, the setting of the guide head ensures the smooth movement of the friction block, thereby improving the reliability and durability of the fixing mechanism.

[0013] The present invention is further configured such that a plurality of lifting rods are equidistantly slidably provided on the lower end surface of the mounting sleeve, and each of the lifting rods is provided with a follower spring, which abuts against the shrinkage block, and a return spring is provided on the upper end surface of the shrinkage block, and the plurality of return springs abut against the mounting sleeve respectively. This design provides an automatic reset function for the fixing mechanism, and the cooperation of the follower spring and the return spring enables each component to automatically return to its initial position after the fixed state is released, thereby greatly improving the convenience and efficiency of operation.

[0014] The present invention is further configured such that a plurality of the lifting rods are provided with an unfastening disk, and two of the unfastening disks are provided with an unfastening plate. This design provides a method for quickly releasing the fixed state. The operator only needs to push the unfastening plate to control a plurality of lifting rods at the same time, thereby quickly releasing the fixed state, greatly improving the convenience and efficiency of the operation.

[0015] The present invention is further configured as follows: the axial mechanism includes a connecting rod, a gear box, a support leg and a bottom rod, a plurality of connecting rods are provided, and the plurality of connecting rods are respectively installed on the fixed seat and the gear box, the transmission rod is rotatably connected in the gear box, a plurality of support legs are provided, and the plurality of support legs are respectively installed on the lower end surface of the gear box, the bottom rod is rotatably connected in the gear box, the interference rod and the transmission rod are coaxially arranged, this design provides a stable support structure for axial adjustment, multiple connecting rods and support legs ensure the stability of the entire mechanism, and the setting of the bottom rod provides a convenient adjustment interface for the operator.

[0016] The present invention is further configured as follows: a first internal gear and a second internal gear are provided in the gearbox, a first follower wheel is meshed with the first internal gear, a first rotating frame is provided on the first follower wheel, a first center wheel is provided on the bottom rod, the first center wheel is meshed with the first follower wheel, a second follower wheel is meshed with the second internal gear, a second rotating frame is provided on the second follower wheel, a second center wheel is provided on the first rotating frame, and the second center wheel is meshed with the second follower wheel. This complex gear transmission system realizes a dual deceleration function, improves the accuracy of axial adjustment, and also ensures the smoothness of the adjustment process, providing a strong guarantee for the precise positioning of the laser rangefinder.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the present invention provides a laser distance measuring mechanism with high measurement accuracy, which has the following beneficial effects:

[0019] 1. The adjustment mechanism realizes the adjustment of the pitch angle through the cooperation of the rotating seat and the pitch block. The design of the multi-directional seat and the follower ball ensures the flexibility of the adjustment. The switching between coarse adjustment and fine adjustment is realized through the cooperation of the coarse and thin screws, which greatly improves the accuracy and efficiency of the adjustment. At the same time, the setting of the side spring increases the stability of the adjustment process and prevents accidental loosening. In addition, the design of the synchronization ring and the synchronization sleeve ensures the synchronization during the coarse and fine adjustment process, avoiding errors in the adjustment process. The setting of the display screen and the scale makes the adjustment process more intuitive and precise, which is conducive to the operator to quickly find the best measurement angle. The whole mechanism is cleverly designed and the components are closely matched, which improves the measurement accuracy and ease of use of the laser rangefinder.

[0020] 2. The fixing mechanism realizes the switching between coarse adjustment and fine adjustment through the cooperation of the mounting sleeve and the telescopic rod. The design of the contraction block and the friction block ensures the stability of the fine adjustment state. The design of the oblique groove enables the contraction block to automatically lock under the action of thrust. The setting of the push spring ensures that appropriate pressure is maintained between the friction block and the telescopic rod, thereby improving the reliability of the fixation. The design of the guide head makes the movement of the friction block smoother and reduces the possibility of jamming. The design of the lifting rod and the release disk provides a method for quickly releasing the fixed state, greatly improving the convenience of operation. The setting of the return spring ensures that each component can quickly return to the initial position after the fixation is released, ready for the next operation. The entire mechanism is exquisitely designed and compact in structure. While ensuring the fixing effect, it also takes into account the convenience of operation, greatly improving the practicality of the entire ranging mechanism.

[0021] 3. The axial mechanism achieves precise adjustment of the axial angle through the multi-stage gear transmission in the gearbox. The design of the connecting rod and the support leg ensures the stability of the entire mechanism. The cooperation of the first internal gear and the first follower wheel realizes the initial deceleration and improves the adjustment accuracy. The setting of the second internal gear and the second follower wheel further reduces the adjustment speed, making the fine adjustment more precise. The design of the first rotating frame and the second rotating frame makes the deceleration process smoother and reduces the error in the transmission process. The entire mechanism adopts a double deceleration design, which greatly improves the accuracy of the axial adjustment and ensures the stability and controllability of the adjustment process, providing a strong guarantee for the precise positioning of the laser rangefinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a laser distance measuring mechanism with high measurement accuracy in the present invention;

[0023] Figure 2 Schematic diagram of the exploded structure of the pitch block, rotating seat and fixed seat in the present invention;

[0024] Figure 3 Schematic diagram of the structure of the adjustment mechanism of the present invention;

[0025] Figure 4 Schematic diagram of the cross-sectional structure of the coarse screw and the thin screw in the present invention;

[0026] Figure 5 Schematic diagram of the structure of the fixing mechanism and the thick screw in the present invention;

[0027] Figure 6 Schematic diagram of the cross-sectional structure of the fixing mechanism of the present invention;

[0028] Figure 7 Schematic diagram of the cross-sectional structure of the gearbox in the present invention;

[0029] Figure 8 A schematic cross-sectional view of the first turret and the second turret in the present invention;

[0030] Figure 9 It is a schematic cross-sectional structural diagram of the multi-directional seat in the present invention;

[0031] Figure 10 It is a structural schematic diagram of the synchronization sleeve in the present invention.

[0032] In the figure: 1. fixed seat; 2. rotating seat; 3. transmission rod; 4. pitch block; 5. side spring; 6. multi-directional seat; 7. follower ball; 8. extension rod; 9. bottom block; 10. top block; 11. guide rod; 12. coarse screw; 13. fine screw; 14. pitch groove; 15. the multi-directional seat; 16. guide hole; 17. laser rangefinder; 18. display screen; 19. scale; 20. synchronization ring; 21. synchronization sleeve; 22. sliding hole; 23. push rod; 24. inner rod; 25. inner groove; 26. inner hole; 27. push plate; 28. telescopic plate; 29. ​​positioning groove; 30. positioning block ;31. Rotating rod;32. Vertical slot;33. Mounting sleeve;34. Telescopic rod;35. Retraction block;36. Push spring;37. Friction block;38. Guide head;39. Round head;40. Oblique slot;41. Lifting rod;42. Follower spring;43. Return spring;44. Unlocking disk;45. Unlocking plate;46. Connecting rod;47. Gear box;48. Support leg;49. Bottom rod;50. First internal gear;51. Second internal gear;52. First follower wheel;53. First rotating frame;54. First center wheel;55. Second follower wheel;56. Second rotating frame;57. Second center wheel. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0035] In the present invention, unless otherwise specified, directions such as "up" and "down" are generally used with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" are generally used with respect to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0036] See also Figures 1 to 5A laser ranging mechanism with high measurement accuracy includes a fixed base 1, an adjustment mechanism is provided on the fixed base 1, the adjustment mechanism includes an axial mechanism, a rotating base 2, a transmission rod 3, a pitch block 4, a side spring 5, a multi-directional base 6, a follower ball 7, an extension rod 8, a bottom block 9, a top block 10, a guide rod 11, a coarse screw 12, a fine screw 13 and a fixed mechanism, the transmission rod 3 is installed on the rotating base 2, the transmission rod 3 rotates in the fixed base 1, the axial mechanism is installed on the fixed base 1, the rotating base 2 is provided with a pitch slot 14, and the pitch block 4 is slidably connected to the pitch slot 14, two side springs 5 ​​are installed on the pitch block 4, and the two side springs 5 ​​are respectively connected to the rotating seat 2. A plurality of multi-directional seats 6 are respectively provided on the rotating seat 2 and the pitch block 4. Each multi-directional seat 6 is respectively connected to the follower ball 7 for rotation. Each follower ball 7 is respectively installed with an extension rod 8. The extension rod 8 at the upper and lower ends is respectively installed with a top block 10 and a bottom block 9. The top block 10 and the bottom block 9 are respectively provided with a guide hole 16. The guide rod 11 is slidably connected in the guide hole 16. The fine screw 13 is threadedly connected to the top block 10, and the coarse screw 12 is screwed. The thread is connected to the bottom block 9, the pitch of the coarse screw 12 is slightly larger than the pitch of the fine screw 13, and the fixing mechanism is respectively installed on the coarse screw 12. A laser rangefinder 17 is provided on the pitch block 4, and a display screen 18 is provided on the upper end surface of the laser rangefinder 17. The display screen 18 and the laser rangefinder 17 are electrically connected. A plurality of scales 19 are provided on the side wall of the fixing seat 1. Synchronous rings 20 are respectively provided on the coarse screw 13 and the coarse screw 12 coaxially. A synchronous sleeve 21 is provided between the two synchronous rings 20. A sliding hole 22 is provided in the coarse screw 12. The sliding hole 22 A push rod 23 is provided for internal sliding, an internal rod 24 is provided on the push rod 23, and an internal groove 25 is provided on the coarse screw 12, the internal rod 24 is slidably connected in the internal groove 25, an internal hole 26 is provided in the thin screw 13, a push plate 27 is provided on the push rod 23, a telescopic plate 28 is provided on the push plate 27, a positioning groove 29 is provided on the telescopic plate 28, a positioning block 30 is provided coaxially on the push rod 23, the positioning block 30 is stuck in the positioning groove 29, a rotating rod 31 is provided coaxially on the thin screw 13, and a plurality of vertical grooves 32 are equidistantly provided on the side wall of the rotating rod 31.

[0037] Working principle: When it is necessary to measure the distance indoors by using the laser rangefinder 17, first place the laser rangefinder 17 on a flat position indoors, then align the laser rangefinder 17 with the position to be measured, and then the laser rangefinder 17 can continuously measure the distance of the irradiated surface. Since the initial placement is not parallel to the measuring surface, when adjustment is required, it is only necessary to adjust the continuous degree in the axial direction to the minimum, and the degree in the pitch direction is also reduced to the minimum to complete the measurement process.

[0038] When it is necessary to adjust the pitch angle, the coarse adjustment process is performed first. At this time, the telescopic disc 28 is pulled so that the positioning groove 29 is stuck in the positioning block 30, so that the coarse screw 12 and the bottom block 9 can be fixed, and the synchronous sleeve 21 is respectively rotated and connected in the synchronous ring 20 at the upper and lower ends, so that the rotation of the fine screw 13 will not be transmitted to the coarse screw 12, and only adjustment will be performed in the vertical direction. Then, the rotating rod 31 is rotated, so that the fine screw 13 can be driven to rotate on the top block 10, thereby changing the position between the top block 10 and the bottom block 9. Then, the rotation connection between the follower ball 7 and the multi-directional seat 6 can push the pitch block 4 to slide along the pitch groove 14, thereby completing the coarse adjustment of the pitch angle, and the corresponding fixing force is provided by the side spring 5 to ensure the stability of the adjustment.

[0039] Then, when making fine adjustments, push the push plate 27 upwards, and then the telescopic plate 28 moves accordingly, and the positioning block 30 is untied from the positioning groove 29. At this time, the push rod 23 slides in the sliding hole 22, and the internal rod 24 slides along the internal groove 25, so that the internal rod 24 is stuck in the internal hole 26. At this time, the internal rod 24 is stuck in the internal groove 25 and the internal hole 26 at the same time, so that the synchronous rotation of the fine screw 13 and the coarse screw 12 can be guaranteed, and the limit of the fine screw 13 and the bottom block 9 is untied. Then, when the rotating rod 31 is driven to rotate again, since the fine screw 13 and the coarse screw 12 are set as reverse threads, the position adjusted by the top block 10 and the bottom block 9 during rotation is the difference between the pitch of the coarse screw 12 and the pitch of the fine screw 13. Therefore, the pitch angle can be finely adjusted, thereby ensuring the accuracy of the measurement.

[0040] In order to realize the conversion between coarse adjustment and fine adjustment, a fixing mechanism is added. Figures 6 to 10 The fixing mechanism includes a mounting sleeve 33, a telescopic rod 34, a contraction block 35, a push spring 36, a friction block 37, a guide head 38 and a round head 39. The mounting sleeve 33 is mounted in the bottom block 9. The telescopic rod 34 is slidably connected in the mounting sleeve 33. The telescopic rod 34 is mounted on the telescopic disc 28. A plurality of oblique grooves 40 are equidistantly provided on the inner wall of the mounting sleeve 33. The contraction block 35 is slidably connected in each oblique groove 40. A plurality of push springs 36 are respectively mounted on each contraction block 35. A plurality of push springs 36 are respectively mounted on the friction blocks 37. The friction blocks 37 are respectively mounted on the plurality of push springs 36. The block 37 abuts against the telescopic rod 34, and a guide head 38 is installed on both sides of each friction block 37. A round head 39 is installed on the telescopic rod 34. A plurality of lifting rods 41 are equidistantly slidably provided on the lower end surface of the mounting sleeve 33. Each lifting rod 41 is provided with a follower spring 42, which abuts against the contraction block 35. A return spring 43 is provided on the upper end surface of the contraction block 35. Multiple return springs 43 abut against the mounting sleeve 33 respectively. An unlatching disk 44 is provided on the multiple lifting rods 41, and an unlatching plate 45 is provided on the two unlatching disks 44.

[0041] When the lever 34 is in the state of being pushed upward, the coarse screw 12 and the fine screw 13 are rotated synchronously, and the engagement between the coarse screw 12 and the bottom block 9 is released. Since the lever 34 is slidably connected to the mounting sleeve 33, when it is pushed upward, the friction block 37 is now against the side wall of the lever 34, so it will move upward accordingly. The friction between the friction block 37 and the lever 34 is ensured by the push spring 36, and then the contraction block 35 moves upward. When it moves upward, it is in an expanded state, so it can be pushed upward, thereby meeting the state of fine adjustment. When it is in the state of fine adjustment, pulling the lever 34 downward will drive the contraction block 35 to slide in the opposite direction, and then make multiple contraction blocks 35 slide and contract along the oblique groove 40, thereby increasing the engagement force. Since the friction angle is exceeded, self-locking will be formed, so that the lever 34 cannot slide downward, thereby ensuring the stability of fine adjustment.

[0042] When the fine-tuning state needs to be released, the two release plates 44 can be driven to move synchronously by pushing the release plate 45, and then the multiple lifting rods 41 are pushed upward, and the contraction block 35 is driven to slide and expand upward under the action of the follower spring 42, thereby releasing the connection between the telescopic rod 34 and the friction block 37, thereby ensuring the convenience of release.

[0043] See also Figures 7 to 8 In order to realize the axial rotation, an axial mechanism is added. The axial mechanism includes a connecting rod 46, a gear box 47, a support leg 48 and a bottom rod 49. There are multiple connecting rods 46, and multiple connecting rods 46 are respectively installed on the fixed seat 1 and the gear box 47. The transmission rod 3 is rotatably connected in the gear box 47. There are multiple support legs 48, and multiple support legs 48 are respectively installed on the lower end surface of the gear box 47. The bottom rod 49 is rotatably connected in the gear box 47. The interference rod and the transmission rod 3 are coaxially arranged. The gear box 4 7 is provided with a first internal gear 50 and a second internal gear 51, the first internal gear 50 is meshed with a first follower wheel 52, the first follower wheel 52 is provided with a first rotating frame 53, the bottom rod 49 is provided with a first center wheel 54, the first center wheel 54 is meshed with the first follower wheel 52, the second internal gear 51 is meshed with a second follower wheel 55, the second follower wheel 55 is provided with a second rotating frame 56, the first rotating frame 53 is provided with a second center wheel 57, the second center wheel 57 is meshed with the second follower wheel 55.

[0044] Working principle: When it is necessary to fine-tune the angle in the axial direction, first rotate the bottom rod 49. Since the first center wheel 54 is installed on the bottom rod 49, it can drive multiple first follower wheels 52 to rotate, and then drive the rotation of the first rotating frame 53, and multiple first follower wheels 52 are also meshed on the first internal gear 50, so the first rotating frame 53 will be decelerated for the first time. Then, the second center wheel 57 is installed on the first rotating frame 53, and the second center wheel 57 is meshed on the second follower wheel 55, and the second follower wheel 55 is meshed on the second internal gear 51, so it can drive the second rotating frame 56 to decelerate for the second time. At this time, the fine-tuning process can be satisfied after two decelerations. Since the transmission rod 3 is connected to the second rotating frame 56, it will drive the rotating base 2 to rotate along the fixed base 1, thereby fine-tuning the angle, thereby satisfying the axial angle adjustment, and then adjusting to the most suitable positions for pitch and axial adjustment respectively. At this time, the corresponding degrees are recorded as the corresponding distances.

[0045] In all the schemes mentioned above, the connection between the two parts can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be described here one by one. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser distance measuring mechanism with high measurement accuracy, comprising a fixed seat (1), characterized in that: The fixing seat (1) is provided with an adjustment mechanism, which includes an axial mechanism, a rotating seat (2), a transmission rod (3), a pitch block (4), a side spring (5), a multi-directional seat (6), a follower ball (7), an extension rod (8), a bottom block (9), a top block (10), a guide rod (11), a thick screw (12), a thin screw (13) and a fixing mechanism. The transmission rod (3) is installed on the rotating seat (2), the transmission rod (3) rotates in the fixing seat (1), and the axial mechanism is installed in the fixing seat (1). A pitching groove (14) is provided on the fixed seat (1) and the rotating seat (2), and the pitching block (4) is slidably connected in the pitching groove (14). Two side springs (5) are installed on the pitching block (4), and the two side springs (5) are respectively connected to the rotating seat (2). A plurality of multi-directional seats (6) are respectively provided on the rotating seat (2) and the pitching block (4), and each multi-directional seat (6) is rotatably connected to a follower ball (7). Each follower ball (7) is respectively installed with a protruding rod (8), and the upper and lower ends are The extending rod (8) is respectively provided with a top block (10) and a bottom block (9), and a guide hole (16) is respectively provided on the top block (10) and the bottom block (9). The guide rod (11) is slidably connected in the guide hole (16). The fine screw (13) is threadedly connected to the top block (10), and the coarse screw (12) is threadedly connected to the bottom block (9). The fine screw (13) and the coarse screw (12) are respectively provided with a synchronous ring (20) coaxially. A synchronous sleeve (21) is provided for rotation, a sliding hole (22) is provided in the coarse screw (12), a push rod (23) is provided for sliding in the sliding hole (22), an internal rod (24) is provided on the push rod (23), and an internal groove (25) is provided on the coarse screw (12), the internal rod (24) is slidably connected in the internal groove (25), an internal hole (26) is provided in the fine screw (13), the pitch of the coarse screw (12) is slightly larger than the pitch of the fine screw (13), and the fixing mechanisms are respectively installed on the coarse screw (12).

2. The laser distance measuring mechanism with high measurement accuracy according to claim 1, characterized in that: The pitch block (4) is provided with a laser rangefinder (17), the upper end surface of the laser rangefinder (17) is provided with a display screen (18), the display screen (18) and the laser rangefinder (17) are electrically connected, and a plurality of scales (19) are provided on the side wall of the fixing seat (1).

3. The laser distance measuring mechanism with high measurement accuracy according to claim 2, characterized in that: The push rod (23) is provided with a push plate (27), the push plate (27) is provided with a telescopic plate (28), the telescopic plate (28) is provided with a positioning groove (29), and the push rod (23) is coaxially provided with a positioning block (30), and the positioning block (30) is stuck in the positioning groove (29).

4. The laser distance measuring mechanism with high measurement accuracy according to claim 1, characterized in that: A rotating rod (31) is coaxially provided on the thin screw (13), and a plurality of vertical grooves (32) are equidistantly provided on the side wall of the rotating rod (31).

5. The laser distance measuring mechanism with high measurement accuracy according to claim 3, characterized in that: The fixing mechanism comprises a mounting sleeve (33), a telescopic rod (34), a contraction block (35), a push spring (36), a friction block (37), a guide head (38) and a round head (39), wherein the mounting sleeve (33) is mounted in the bottom block (9), the telescopic rod (34) is slidably connected in the mounting sleeve (33), the telescopic rod (34) is mounted on the telescopic disc (28), a plurality of oblique grooves (40) are equidistantly provided on the inner wall of the mounting sleeve (33), the contraction block (35) is slidably connected in each of the oblique grooves (40), each of the contraction blocks (35) is respectively mounted with a plurality of push springs (36), the plurality of push springs (36) are respectively mounted with friction blocks (37), the friction blocks (37) abut against the telescopic rod (34), a guide head (38) is respectively mounted on both sides of each friction block (37), and the telescopic rod (34) is mounted with a round head (39).

6. The laser distance measuring mechanism with high measurement accuracy according to claim 5, characterized in that: A plurality of lifting rods (41) are equidistantly slidably provided on the lower end surface of the mounting sleeve (33), and each lifting rod (41) is provided with a follower spring (42), which contacts the shrinking block (35). A return spring (43) is provided on the upper end surface of the shrinking block (35), and the plurality of return springs (43) contact the inside of the mounting sleeve (33).

7. The laser distance measuring mechanism with high measurement accuracy according to claim 6, characterized in that: A plurality of the lifting rods (41) are provided with an untangling disk (44), and two of the untangling disks (44) are provided with an untangling plate (45).

8. The laser distance measuring mechanism with high measurement accuracy according to claim 1, characterized in that: The axial mechanism includes a connecting rod (46), a gear box (47), a support leg (48) and a bottom rod (49), wherein a plurality of connecting rods (46) are provided, and the plurality of connecting rods (46) are respectively mounted on the fixing seat (1) and the gear box (47), the transmission rod (3) is rotatably connected in the gear box (47), a plurality of support legs (48) are provided, and the plurality of support legs (48) are respectively mounted on the lower end surface of the gear box (47), the bottom rod (49) is rotatably connected in the gear box (47), and the interference rod and the transmission rod (3) are coaxially arranged.

9. The laser distance measuring mechanism with high measurement accuracy according to claim 8, characterized in that: The gear box (47) is provided with a first internal gear (50) and a second internal gear (51), the first internal gear (50) is meshed with a first follower wheel (52), the first follower wheel (52) is provided with a first rotating frame (53), the bottom rod (49) is provided with a first center wheel (54), the first center wheel (54) is meshed with the first follower wheel (52), the second internal gear (51) is meshed with a second follower wheel (55), the second follower wheel (55) is provided with a second rotating frame (56), the first rotating frame (53) is provided with a second center wheel (57), the second center wheel (57) is meshed with the second follower wheel (55).

Images