Bridge prefabricated part external dimension detection equipment based on laser radar

By using lidar-based detection equipment in the detection of prefabricated bridge components, the problems of inefficient detection accuracy and efficiency in the prior art are solved, and high-precision and high-speed detection are achieved without being affected by the external environment.

CN120027702APending Publication Date: 2025-05-23CHINA RAILWAY 12TH BUREAU GRP CO LTD +3
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Patent Information

Application Number
CN202510241950.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2025-05-23

AI Technical Summary

Technical Problem

In the prior art, the appearance dimension detection of bridge prefabricated components relies on full manual or semi-manual detection, and there are problems of low accuracy, low efficiency and influence from the external environment.

Method used

Using lidar-based detection equipment, the prefabricated bridge components are accurately measured by lidar through longitudinal and transverse detection components, and the data is collected and processed through the data box.

Benefits of technology

High-precision and high-speed bridge prefabricated components are realized, and are not affected by external environmental conditions, improving detection efficiency and data repeatability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of external dimension detection, and discloses bridge prefabricated part external dimension detection equipment based on laser radar, which comprises a frame, a rotating wheel is arranged at the bottom of the frame, a protective shell is fixedly connected to the end surface of one end, far away from the rotating wheel, of the frame, and a transverse data box is fixedly connected to the inner wall of the protective shell. A transverse laser radar is arranged on the surface of the side, close to the transverse data box, of the frame, and an engine is fixedly connected to the inner wall of the frame. When the device is used, in the transverse detection part, when a rotating shaft runs, a transmission belt is driven to run, the transmission belt drives an outer gear on the other side to rotate and run along the surface of an inner clamping groove shaft, and when the outer gear runs, a connecting toothed plate is driven to run along the inner wall of a rack clamping plate through the meshing effect of the surface; the connecting toothed plate drives the transverse laser radars at the two ends to slide along the inner wall of the inner groove rotating shaft, and meanwhile the inner groove rotating shaft rotates along the inner wall of the frame.
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Description

Technical Field

[0001] The present invention relates to the technical field of appearance dimension detection equipment, and in particular to appearance dimension detection equipment for prefabricated bridge components based on laser radar. Background Art

[0002] Prefabricated components refer to steel, wood or concrete components that are prefabricated in factories or on-site according to design specifications. Bridge prefabricated components are one of them. According to the size of general bridges, even if prefabricated components are used to assemble the bridge.

[0003] In the prior art, the appearance dimension inspection of prefabricated bridge components generally adopts traditional full-manual or semi-manual inspection technology. Full-manual inspection obviously has problems such as low accuracy of inspection results, low inspection efficiency, and poor repeatability of inspection data. Semi-manual inspection refers to the use of computer vision of 2D cameras for measurement. This measurement method depends on external lighting conditions and is greatly affected by environmental factors. The application scenarios and conditions are relatively harsh. Therefore, a detection device with both efficiency and accuracy and not affected by external environmental conditions is needed. Summary of the invention

[0004] The purpose of the present invention is to provide a bridge prefabricated component appearance size detection device based on laser radar to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a laser radar-based bridge prefabricated component appearance size detection device, comprising a frame, a rotating wheel is arranged at the bottom of the frame, a protective shell is fixedly connected to the end face of the frame away from the rotating wheel, a transverse data box is fixedly connected to the inner wall of the protective shell, a transverse laser radar is arranged on the surface of the frame close to the transverse data box, an engine is fixedly connected to the inner wall of the frame, and further comprising: A longitudinal detection component, the longitudinal detection component comprises an output shaft, the surface of the output shaft is transmission-connected with an output belt, and the inner wall of the output belt away from the output shaft is rotationally connected with a rotating shaft; A transverse detection component, the transverse detection component comprises a transmission belt, the inner wall of the transmission belt is rotatably connected to an external gear, and the surface of the external gear is meshingly connected to a connecting toothed plate; The auxiliary component comprises a periodic pull rod, the end surface of the periodic pull rod is rotatably connected to a base, and the end surface of the base away from one end of the periodic pull rod is fixedly connected to a push plate.

[0006] Furthermore, the inner wall of the frame close to the engine side is fixedly connected to an inner shell, the inner wall of the inner shell is fixedly connected to a longitudinal data box, the inner wall of the inner shell close to the longitudinal data box is provided with a longitudinal laser radar, the inner wall of the end face of the inner shell close to the longitudinal laser radar is fixedly connected to a protective plate, the number of the rotating wheels is set to four, and the four frames are symmetrically distributed around the surface center of the frame, the number of the transverse laser radars is set to two, and the two transverse laser radars are symmetrically distributed around the surface of the transverse data box, and the number of the longitudinal laser radars is set to two, and the two longitudinal laser radars are symmetrically distributed around the surface of the longitudinal data box.

[0007] Further, the longitudinal detection component includes an output bevel gear, the surface of the output bevel gear is meshedly connected with a transmission bevel gear, the inner wall of the transmission bevel gear is fixedly connected with a transmission shaft, the surface of the rotating shaft penetrates the inner wall of the frame and is rotatably connected to the inner wall of the frame, the surface of the rotating shaft is fixedly connected to the inner wall of the output bevel gear, the number of the transmission bevel gears is two, the two transmission bevel gears are symmetrically distributed on the surface of the output bevel gear, the end face of the transmission shaft away from the output bevel gear is rotatably connected to the inner wall of the inner shell, and the surface of the transmission shaft close to the output bevel gear is fixedly connected to the inner wall of the end of the longitudinal laser radar away from the protective plate.

[0008] Furthermore, a fixing rod is fixedly connected to the surface of the longitudinal laser radar close to the transmission bevel gear, an arc slider is fixedly connected to the end face of the fixing rod away from the longitudinal laser radar, an arc groove is provided on the inner wall of the inner shell close to the arc slider, a protective spring is fixedly connected to the end face of the arc groove, two protective springs are provided, and the two protective springs are symmetrically distributed on the surface of the arc groove.

[0009] Furthermore, the surface of the longitudinal laser radar is slidably connected to a sleeve plate, the surface of the sleeve plate close to the output bevel gear is fixedly connected to an inner stretching slide plate, the inner wall of the inner stretching slide plate is slidably connected to a sliding shaft, the inner wall of the sliding shaft is rotatably connected to a clamping shaft, and the surface of the sliding shaft away from the sleeve plate is fixedly connected to a pressure plate.

[0010] Furthermore, the lateral detection component includes a rack clamp, the surface of the lateral laser radar away from the rack clamp is slidably connected to the inner groove rotating shaft, the surface of the frame close to the inner groove rotating shaft is fixedly connected to a telescopic plate, the end face of the telescopic plate is fixedly connected to an anti-collision plate, the inner wall of the transmission belt away from the outer gear side is rotatably connected to the surface of the rotating shaft, the surface of the connecting tooth plate away from the outer gear side contacts the inner wall of the rack clamp, the end faces of the connecting tooth plate are fixedly connected to the surfaces of the two lateral laser radars close to each other, the bottom of the rack clamp is fixedly connected to the surface of the frame, and the surface of the inner groove rotating shaft is rotatably connected to the inner wall of the frame.

[0011] Furthermore, the end face of the output shaft close to one end of the external gear is fixedly connected with a rotating plate, the end face of the rotating plate away from one end of the output shaft is fixedly connected with a vertical rod, the end face of the vertical rod away from one end of the rotating plate is fixedly connected with a block rotating plate, the surface of the block rotating plate away from the frame is plugged with an inner slot shaft, the surface of the inner slot shaft is rotatably connected to the inner wall of the frame, and the surface of the inner slot shaft away from one end of the block rotating plate is rotatably connected to the inner wall of the external gear.

[0012] Furthermore, the auxiliary component includes a return spring, the surface of the return spring is fixedly connected to a push plate shell, the surface of the push plate close to the push plate shell is fixedly connected to a push plate slider, the inner wall of the periodic pull rod away from the base end is sleeved with the surface of the vertical rod, the surface of the push plate is slidably connected to the inner wall of the push plate shell, the number of the return springs is four, and the four return springs are symmetrically distributed around the center of the surface of the push plate, the end face of the return spring away from the push plate shell is fixedly connected to the end face of the push plate away from the base, the number of the push plate sliders is two, and the two push plate sliders are symmetrically distributed around the surface of the push plate.

[0013] The cam is secured to the rear of the push plate by a latching mechanism, and the latch is secured to a camming mechanism on the rear of the push plate by a latching mechanism.

[0014] The present invention has the following beneficial effects: When the present invention is in use, when the device is pushed to the prefabricated component that needs to be measured, the engine in the longitudinal detection component is started to drive the output shaft to run periodically. When the output shaft is running, it will drive the output belt to transmit. When the output belt is transmitting, it will drive the rotating shaft at the other end to rotate along the frame. When the rotating shaft rotates, it will drive the output bevel gear to rotate. The output bevel gear will drive the transmission bevel gear to rotate through surface meshing. When the transmission bevel gear rotates, it will drive the transmission shaft to rotate along the inner wall of the inner shell. When the transmission shaft is running, it will drive the longitudinal laser radar to run. The longitudinal laser radar will detect the component that needs to be measured, and then transmit it to the longitudinal data box for collection and processing, and finally confirm the data. At the same time, when the longitudinal laser radar is running When the longitudinal laser radar is running, it will also drive the sleeve plate to run, and the sleeve plate will drive the inner stretching slide plate to run. When the inner stretching slide plate runs, it will drive the sliding shaft to run, and the sliding shaft will drive the card shaft to run. When the sliding shaft runs, its surface is fixed to the pressure plate, and the other end of the pressure plate is fixed to the surface of the positioning plate, so it will drive the sliding shaft to slide along the inner wall of the inner stretching slide plate to limit the sliding shaft. When the inner stretching slide plate runs too large, it will perform a stretching operation to ensure normal detection of the device.

[0015] When the present invention is in use, in the transverse detection component, when the rotating shaft runs, it will drive the transmission belt to run, and the transmission belt will drive the outer gear on the other side to rotate along the surface of the inner slot shaft. When the outer gear runs, the meshing action of the surface will drive the connecting tooth plate to run along the inner wall of the rack card plate, and the connecting tooth plate will drive the transverse laser radars at both ends to slide along the inner wall of the inner slot rotating shaft. At the same time, the inner slot rotating shaft will rotate along the inner wall of the frame, and the transverse laser radar will perform transverse detection on the components to be detected, and finally transmit them to the transverse data box, collect and process the detected data, and finally confirm the data, and collect and confirm it with the data collected in the longitudinal data box. At the same time, when the transverse When running towards the laser radar, when it runs to a certain angle, it will collide with the anti-collision plate, and the anti-collision plate will drive the telescopic plate to extend and retract, and the anti-collision plate will have a collision buffering effect on it, protecting it to prevent it from being damaged during operation. At the same time, when the output shaft is running, it will drive the rotating plate to run, and the rotating plate will drive the vertical pole to run periodically. When the vertical pole is running, it will drive the block rotating plate to run. The surface of one side of the block rotating plate is plugged into the inner wall of the inner slot shaft, which will drive the inner slot shaft to run along the inner wall of the frame. When the inner slot shaft is running, it will assist the operation of the external gear. When the transmission belt is damaged, the outer gear can still be driven to run through the inner slot shaft, which will not affect the use of the device.

[0016] When the present invention is in use, in the auxiliary component, when the vertical rod is running, it will drive the periodic pull rod to run periodically, and the periodic pull rod will drive the base to run, and the base will drive the push plate to slide along the inner wall of the push plate shell. At the same time, when the push plate is running, it will drive the reset spring on the other side surface to run, and the reset spring is squeezed to generate elastic force to reset it. At the same time, when the push plate is running, it will drive the push plate slider to slide along the inner wall of the push plate shell, and the push plate slider will drive the connecting circular plate to run. When the connecting circular plate is running, it will squeeze the lifting plate, and the lifting plate can adjust the lifting plate by its own elastic expansion and contraction ability. For protection, it assists in the reset process. At the same time, when the connecting circular plate runs, it will drive the L-shaped rod to run, and the L-shaped rod will drive the cross bar at the other end to run along the inner wall of the positioning plate. When the cross bar runs, it will drive the shaft fixing rod to run. When the shaft fixing rod runs, the shaft in the longitudinal detection component is limited by the sliding shaft and will be connected with the inner wall of the shaft fixing rod. When the shaft fixing rod is in position, the shaft fixing rod will limit the rotation angle in the longitudinal detection component. At this time, the measurement of the required adjustment angle or distance is adjusted, and multiple measurements are performed to compare the data to ensure the accuracy of the data.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a cross-sectional view of the overall structure of the present invention; Figure 3 It is a bottom view of the longitudinal detection component structure section of the present invention; Figure 4 It is a cross-sectional view of the structure of the longitudinal detection component of the present invention; Figure 5 For the present invention Figure 4 A magnified view of part A in FIG. Figure 6 It is a cross-sectional view of the structure of the transverse detection component of the present invention; Figure 7 For the present invention Figure 6 A magnified view of part B in FIG. Figure 8 It is a cross-sectional view of the auxiliary component structure of the present invention; Fig. 9 It is a sectional side view of the auxiliary component structure of the present invention.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1. longitudinal detection component; 2. transverse detection component; 3. auxiliary component; 4. engine; 5. transverse data box; 6. longitudinal data box; 7. transverse laser radar; 8. longitudinal laser radar; 9. frame; 10. rotating wheel; 11. protective shell; 12. inner shell; 13. protective plate; 21. output shaft; 22. output belt; 23. rotating shaft; 24. output bevel gear; 25. transmission bevel gear; 26. transmission shaft; 27. fixing rod; 28. arc slider; 29. ​​arc slide; 30. protective spring; 31. sleeve plate; 32. inner stretching slide ; 33. Sliding shaft; 34. Clamping shaft; 35. Pressing plate; 41. Transmission belt; 42. External gear; 43. Connecting tooth plate; 44. Rack clamping plate; 45. Inner groove rotating shaft; 46. Telescopic plate; 47. Anti-collision plate; 48. Turning plate; 49. Vertical pole; 50. Block turn plate; 51. Inner groove shaft; 61. Periodic pull rod; 62. Base; 63. Push plate; 64. Reset spring; 65. Push plate housing; 66. Push plate slider; 67. Connecting circular plate; 68. Lifting plate; 69. L-shaped rod; 70. Cross bar; 71. Clamping shaft fixing rod; 72. Positioning plate. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 - Fig. 9 As shown, the present invention is a bridge prefabricated component appearance size detection device based on laser radar, including a frame 9, a rotating wheel 10 is arranged at the bottom of the frame 9, a protective shell 11 is fixedly connected to the end face of the frame 9 away from the rotating wheel 10, a transverse data box 5 is fixedly connected to the inner wall of the protective shell 11, a transverse laser radar 7 is arranged on the surface of the frame 9 close to the transverse data box 5, and an engine 4 is fixedly connected to the inner wall of the frame 9, and further includes: The longitudinal detection component 1 includes an output shaft 21. The engine 4 starts and drives the output shaft 21 to run periodically. When the output shaft 21 runs, it drives the output belt 22 to transmit. The surface of the output shaft 21 is connected with the output belt 22. When the output belt 22 transmits, it drives the rotating shaft 23 at the other end to rotate along the frame 9. The inner wall of the output belt 22 away from the output shaft 21 is connected with the rotating shaft 23. When the rotating shaft 23 rotates, it drives the output bevel gear 24 to rotate. The lateral detection component 2 includes a transmission belt 41. When the rotating shaft 23 runs, the transmission belt 41 is driven to run, and the transmission belt 41 drives the outer gear 42 on the other side to rotate along the surface of the inner slot shaft 51. The inner wall of the transmission belt 41 is rotatably connected with the outer gear 42. When the outer gear 42 runs, the meshing action of the surface drives the connecting tooth plate 43 to run along the inner wall of the rack card plate 44. The surface of the outer gear 42 is meshed and connected with the connecting tooth plate 43. The connecting tooth plate 43 drives the lateral laser radars 7 at both ends to slide along the inner wall of the inner slot rotating shaft 45. Auxiliary component 3, auxiliary component 3 includes a periodic pull rod 61. When the vertical rod 49 runs, it will drive the periodic pull rod 61 to run periodically, and the periodic pull rod 61 will drive the base 62 to run. The end face of the periodic pull rod 61 is rotatably connected to the base 62, and the base 62 will drive the push plate 63 to slide along the inner wall of the push plate shell 65. The end face of the base 62 away from one end of the periodic pull rod 61 is fixedly connected to the push plate 63. When the push plate 63 runs, it will drive the reset spring 64 on the other side surface to run. The reset spring 64 is squeezed to generate elastic force to reset it.

[0023] An inner shell 12 is fixedly connected to the inner wall of the frame 9 close to the engine 4, and a longitudinal data box 6 is fixedly connected to the inner wall of the inner shell 12. A longitudinal laser radar 8 is arranged on the inner wall of the inner shell 12 close to the longitudinal data box 6, and a protective plate 13 is fixedly connected to the inner wall of the end face of the inner shell 12 close to the longitudinal laser radar 8. There are four wheels 10, and the four frames 9 are symmetrically distributed around the surface center of the frame 9. There are two transverse laser radars 7, and the two transverse laser radars 7 are symmetrically distributed around the surface of the transverse data box 5. There are two longitudinal laser radars 8, and the two longitudinal laser radars 8 are symmetrically distributed around the surface of the longitudinal data box 6.

[0024] The longitudinal detection component 1 includes an output bevel gear 24. The output bevel gear 24 drives the transmission bevel gear 25 to rotate through surface meshing. The surface meshing of the output bevel gear 24 is connected with the transmission bevel gear 25. When the transmission bevel gear 25 rotates, it drives the transmission shaft 26 to rotate along the inner wall of the inner shell 12. The inner wall of the transmission bevel gear 25 is fixedly connected with the transmission shaft 26. When the transmission shaft 26 runs, it drives the longitudinal laser radar 8 to run. The longitudinal laser radar 8 will detect the components to be measured and then transmit them to the longitudinal data box 6. , collect and process, and finally confirm the data. The surface of the rotating shaft 23 passes through the inner wall of the frame 9 and is rotatably connected to the inner wall of the frame 9. The surface of the rotating shaft 23 is fixedly connected to the inner wall of the output bevel gear 24. There are two transmission bevel gears 25. The two transmission bevel gears 25 are symmetrically distributed on the surface of the output bevel gear 24. The end face of the transmission shaft 26 away from the output bevel gear 24 is rotatably connected to the inner wall of the inner shell 12, and the surface of the transmission shaft 26 close to the output bevel gear 24 is fixedly connected to the inner wall of the end of the longitudinal laser radar 8 away from the protective plate 13.

[0025] The surface of the longitudinal laser radar 8 close to the transmission bevel gear 25 is fixedly connected with a fixed rod 27. When the longitudinal laser radar 8 is running, it will drive the fixed rod 27 to run, and the fixed rod 27 will drive the arc slider 28 to run along the inner wall of the arc slide groove 29. When it runs to a certain position, it will contact and collide with the protection spring 30. The protection spring 30 will protect the arc slider 28 to prevent collision damage caused by excessive rotation. The end face of the fixed rod 27 away from the longitudinal laser radar 8 is fixedly connected with the arc slider 28, and the inner wall of the inner shell 12 close to the arc slider 28 is provided with an arc slide groove 29. The end face of the arc slide groove 29 is fixedly connected with a protection spring 30. There are two protection springs 30, and the two protection springs 30 are symmetrically distributed on the surface of the arc slide groove 29.

[0026] The surface of the longitudinal laser radar 8 is slidably connected with a sleeve plate 31. When the longitudinal laser radar 8 is running, it will also drive the sleeve plate 31 to run, and the sleeve plate 31 will drive the inner stretching slide plate 32 to run. The surface of the sleeve plate 31 close to the output bevel gear 24 is fixedly connected with the inner stretching slide plate 32. When the inner stretching slide plate 32 is running, it will drive the sliding shaft 33 to run. The inner wall of the inner stretching slide plate 32 is slidably connected with the sliding shaft 33, and the sliding shaft 33 will drive the clamping shaft 34 to run. When the sliding shaft 33 is running, its surface is fixed to the pressure plate 35, and the other end of the pressure plate 35 is fixed to the surface of the positioning plate 72, so it will drive the sliding shaft 33 to slide along the inner wall of the inner stretching slide plate 32 to limit the sliding shaft 33. When the inner stretching slide plate 32 runs too much, it will perform a stretching operation to ensure the normal detection of the device. The inner wall of the sliding shaft 33 is rotatably connected with the clamping shaft 34, and the surface of the sliding shaft 33 away from the sleeve plate 31 is fixedly connected with the pressure plate 35.

[0027] The transverse detection component 2 includes a rack card plate 44. The surface of the transverse laser radar 7 away from the rack card plate 44 is slidably connected with an inner groove shaft 45. The inner groove shaft 45 will rotate along the inner wall of the frame 9. The transverse laser radar 7 will perform transverse detection on the components to be detected, and finally transmit them to the transverse data box 5, collect and process the detected data, and finally confirm the data and collect and confirm it with the data collected in the longitudinal data box 6. The surface of the frame 9 close to the inner groove shaft 45 is fixedly connected with a telescopic plate 46, and the end face of the telescopic plate 46 is fixedly connected with an anti-collision plate 47. When the transverse laser radar 7 is running, it runs to a certain When the angle is reached, it will collide with the anti-collision plate 47, and the anti-collision plate 47 will drive the telescopic plate 46 to telescope, and the anti-collision plate 47 will have a collision buffering effect on it, protecting it from damage during operation, and the inner wall of the transmission belt 41 away from the outer gear 42 is rotatably connected to the surface of the rotating shaft 23, and the surface of the connecting tooth plate 43 away from the outer gear 42 is in contact with the inner wall of the rack clamp 44, and the end faces of the connecting tooth plate 43 are fixedly connected to the surfaces close to each other of the two lateral laser radars 7, the bottom of the rack clamp 44 is fixedly connected to the surface of the frame 9, and the surface of the inner groove rotating shaft 45 is rotatably connected to the inner wall of the frame 9.

[0028] The end surface of the output shaft 21 close to the external gear 42 is fixedly connected with a rotating plate 48. When the output shaft 21 runs, the rotating plate 48 is driven to run, and the rotating plate 48 drives the vertical rod 49 to run periodically. The end surface of the rotating plate 48 away from the output shaft 21 is fixedly connected with the vertical rod 49. When the vertical rod 49 runs, it drives the card block rotating plate 50 to run. The end surface of the vertical rod 49 away from the rotating plate 48 is fixedly connected with the card block rotating plate 50. The surface of one side of the card block rotating plate 50 is plugged into the inner wall of the inner card slot shaft 51, so that It will drive the inner slot shaft 51 to run along the inner wall of the frame 9. When the inner slot shaft 51 runs, it will assist the operation of the outer gear 42. When the transmission belt 41 is damaged, the outer gear 42 can still be driven to run by the inner slot shaft 51, which will not affect the use of the device. The surface of the block rotating plate 50 away from the side of the frame 9 is plugged with the inner slot shaft 51. The surface of the inner slot shaft 51 is rotatably connected to the inner wall of the frame 9, and the surface of the inner slot shaft 51 away from the end of the block rotating plate 50 is rotatably connected to the inner wall of the outer gear 42.

[0029] The auxiliary component 3 includes a return spring 64, and the surface of the return spring 64 is fixedly connected to the push plate shell 65. When the push plate 63 runs, it will drive the push plate slider 66 to slide along the inner wall of the push plate shell 65, and the push plate slider 66 will drive the connecting circular plate 67 to run. The surface of the push plate 63 close to the push plate shell 65 is fixedly connected to the push plate slider 66. The inner wall of the end of the periodic pull rod 61 away from the base 62 is sleeved with the surface of the vertical rod 49, and the surface of the push plate 63 is slidably connected to the inner wall of the push plate shell 65. There are four return springs 64, and the four return springs 64 are symmetrically distributed about the center of the surface of the push plate 63. The end face of the return spring 64 away from the push plate shell 65 is fixedly connected to the end face of the push plate 63 away from the base 62. There are two push plate sliders 66, and the two push plate sliders 66 are symmetrically distributed about the surface of the push plate 63.

[0030] The surface of the push plate slider 66 close to the return spring 64 is fixedly connected with a connecting circular plate 67. When the connecting circular plate 67 is in operation, it will squeeze the lifting plate 68, and the lifting plate 68 will protect it through its own elastic expansion and contraction ability to assist it in resetting. The surface of the connecting circular plate 67 away from the push plate slider 66 is provided with a lifting plate 68. The surface of the connecting circular plate 67 away from the lifting plate 68 is fixedly connected with an L-shaped rod 69. When the connecting circular plate 67 is in operation, it will drive the L-shaped rod 69 to operate, and the L-shaped rod 69 will drive the cross bar 70 at the other end to operate along the inner wall of the positioning plate 72. The end surface of the L-shaped rod 69 away from the connecting circular plate 67 is fixedly connected with the cross bar 70. When the cross bar 70 is in operation, it will drive the card shaft fixing rod 71 to operate. The end surface of the cross bar 70 away from the end of the L-shaped rod 69 is fixedly connected with The locking cam 77 is pressed against the locking cam 71 , and the locking cam 73 is pressed against the locking cam 74 , so that the locking cam 73 will be locked with the locking cam 73 .

[0031] During use, when the device is pushed to the prefabricated component that needs to be measured, the engine 4 in the longitudinal detection component 1 starts and drives the output shaft 21 to run periodically. When the output shaft 21 runs, it will drive the output belt 22 to transmit. When the output belt 22 transmits, it will drive the rotating shaft 23 at the other end to rotate along the frame 9. When the rotating shaft 23 rotates, it will drive the output bevel gear 24 to rotate. The output bevel gear 24 will drive the transmission bevel gear 25 to rotate through surface engagement. When the transmission bevel gear 25 rotates, it will drive the transmission shaft 26 to rotate along the inner wall of the inner shell 12. When the transmission shaft 26 runs, it will drive the longitudinal laser radar 8 to run. The longitudinal laser radar 8 will detect the component that needs to be measured, and then transmit it to the longitudinal data box 6 for collection and processing, and finally confirm the data. At the same time, when the longitudinal laser radar 8 runs, it will drive the fixed When the rod 27 runs, the fixed rod 27 will drive the arc slider 28 to run along the inner wall of the arc slide groove 29. When it runs to a certain position, it will contact and collide with the protection spring 30. The protection spring 30 will protect the arc slider 28 to prevent collision damage caused by excessive rotation. At the same time, when the longitudinal laser radar 8 is running, it will also drive the sleeve plate 31 to run, and the sleeve plate 31 will drive the inner stretching slide plate 32 to run. When the inner stretching slide plate 32 runs, it will drive the sliding shaft 33 to run, and the sliding shaft 33 will drive the card shaft 34 to run. When the sliding shaft 33 runs, its surface is fixed to the pressure plate 35, and the other end of the pressure plate 35 is fixed to the surface of the positioning plate 72, so it will drive the sliding shaft 33 to slide along the inner wall of the inner stretching slide plate 32 to limit the sliding shaft 33. When the inner stretching slide plate 32 runs too much, it will perform a stretching operation to ensure normal detection of the device.At this time, in the transverse detection component 2, when the rotating shaft 23 runs, it will drive the transmission belt 41 to run, and the transmission belt 41 will drive the outer gear 42 on the other side to rotate along the surface of the inner groove shaft 51. When the outer gear 42 runs, the meshing action of the surface will drive the connecting tooth plate 43 to run along the inner wall of the rack card plate 44, and the connecting tooth plate 43 will drive the transverse laser radars 7 at both ends to slide along the inner wall of the inner groove rotating shaft 45. At the same time, the inner groove rotating shaft 45 will rotate along the inner wall of the frame 9, and the transverse laser radar 7 will perform transverse detection on the components to be detected, and finally transmit them to the transverse data box 5, collect and process the detected data, and finally confirm the data, and collect and confirm it with the data collected in the longitudinal data box 6. At the same time, when the transverse laser radar 7 runs When it runs to a certain angle, it will collide with the anti-collision plate 47, and the anti-collision plate 47 will drive the telescopic plate 46 to telescope, and the anti-collision plate 47 will have a collision buffering effect on it, and protect it to prevent it from being damaged during operation. At the same time, when the output shaft 21 runs, it will drive the rotating plate 48 to run, and the rotating plate 48 will drive the vertical rod 49 to run periodically. When the vertical rod 49 runs, it will drive the block rotating plate 50 to run. The surface of one side of the block rotating plate 50 is plugged into the inner wall of the inner card slot shaft 51, which will drive the inner card slot shaft 51 to run along the inner wall of the frame 9. When the inner card slot shaft 51 runs, it will assist the operation of the outer gear 42. When the transmission belt 41 is damaged, the outer gear 42 can still be driven to run through the inner card slot shaft 51, without affecting the use of the device. At this time, in the auxiliary component 3, when the vertical rod 49 is running, it will drive the periodic pull rod 61 to run periodically, and the periodic pull rod 61 will drive the base 62 to run, and the base 62 will drive the push plate 63 to slide along the inner wall of the push plate shell 65. At the same time, when the push plate 63 is running, it will drive the return spring 64 on the other side surface to run, and the return spring 64 is squeezed to generate elastic force to reset it. At the same time, when the push plate 63 is running, it will drive the push plate slider 66 to slide along the inner wall of the push plate shell 65, and the push plate slider 66 will drive the connecting circular plate 67 to run. When the connecting circular plate 67 is running, it will squeeze the lifting plate 68, and the lifting plate 68 will be elastically stretched and retracted. When the locking cam 71 is in motion, the locking cam 71 is engaged with the locking cam 74 and the locking cam 75 is engaged with the locking cam 76. When the locking cam 71 is in motion, the locking cam 71 is engaged with the locking cam 76. When the locking cam 71 is engaged, the locking cam 34 is engaged with the locking cam 76. When the locking cam 71 is engaged, the locking cam 34 is engaged with the locking cam 76.

[0032] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A laser radar-based bridge prefabricated component appearance dimension detection device, comprising a frame (9), a rotating wheel (10) is arranged at the bottom of the frame (9), a protective shell (11) is fixedly connected to the end face of the frame (9) away from the rotating wheel (10), a transverse data box (5) is fixedly connected to the inner wall of the protective shell (11), a transverse laser radar (7) is arranged on the surface of the frame (9) on the side close to the transverse data box (5), and an engine (4) is fixedly connected to the inner wall of the frame (9), characterized in that: Also includes: A longitudinal detection component (1), the longitudinal detection component (1) comprising an output shaft (21), the surface of the output shaft (21) being drivingly connected to an output belt (22), the inner wall of the output belt (22) being rotatably connected to a rotating shaft (23) on a side away from the output shaft (21); A transverse detection component (2), the transverse detection component (2) comprising a transmission belt (41), the inner wall of the transmission belt (41) being rotatably connected to an external gear (42), the surface of the external gear (42) being meshingly connected to a connecting toothed plate (43); An auxiliary component (3), the auxiliary component (3) comprising a periodic pull rod (61), the end surface of the periodic pull rod (61) being rotatably connected to a base (62), and the end surface of the base (62) away from one end of the periodic pull rod (61) being fixedly connected to a push plate (63).

2. The laser radar-based bridge prefabricated component appearance size detection device according to claim 1 is characterized by: The inner wall of the frame (9) close to the engine (4) is fixedly connected to an inner shell (12), the inner wall of the inner shell (12) is fixedly connected to a longitudinal data box (6), the inner wall of the inner shell (12) close to the longitudinal data box (6) is provided with a longitudinal laser radar (8), the inner wall of the end surface of the inner shell (12) close to the longitudinal laser radar (8) is fixedly connected to a protective plate (13), the number of the rotating wheels (10) is four, the four frames (9) are symmetrically distributed around the center of the surface of the frame (9), the number of the transverse laser radars (7) is two, the two transverse laser radars (7) are symmetrically distributed around the surface of the transverse data box (5), the number of the longitudinal laser radars (8) is two, the two longitudinal laser radars (8) are symmetrically distributed around the surface of the longitudinal data box (6).

3. The laser radar-based bridge prefabricated component appearance dimension detection device according to claim 2 is characterized in that: The longitudinal detection component (1) comprises an output bevel gear (24), the surface of the output bevel gear (24) is meshingly connected with a transmission bevel gear (25), the inner wall of the transmission bevel gear (25) is fixedly connected with a transmission shaft (26), the surface of the rotating shaft (23) penetrates the inner wall of the frame (9) and is rotatably connected to the inner wall of the frame (9), the surface of the rotating shaft (23) is fixedly connected to the inner wall of the output bevel gear (24), the number of the transmission bevel gears (25) is two, the two transmission bevel gears (25) are symmetrically distributed with respect to the surface of the output bevel gear (24), the end face of the transmission shaft (26) away from the output bevel gear (24) is rotatably connected to the inner wall of the inner shell (12), and the surface of the transmission shaft (26) close to the output bevel gear (24) is fixedly connected to the inner wall of the longitudinal laser radar (8) away from the protective plate (13).

4. The laser radar-based bridge prefabricated component appearance dimension detection device according to claim 3 is characterized by: A fixed rod (27) is fixedly connected to the surface of the longitudinal laser radar (8) on the side close to the transmission bevel gear (25), and an arc slider (28) is fixedly connected to the end face of the fixed rod (27) away from the longitudinal laser radar (8). An arc slide groove (29) is provided on the inner wall of the inner shell (12) on the side close to the arc slider (28), and a protective spring (30) is fixedly connected to the end face of the arc slide groove (29). There are two protective springs (30), and the two protective springs (30) are symmetrically distributed on the surface of the arc slide groove (29).

5. The laser radar-based bridge prefabricated component appearance dimension detection device according to claim 4 is characterized in that: The surface of the longitudinal laser radar (8) is slidably connected to a sleeve plate (31), the surface of the sleeve plate (31) close to the output bevel gear (24) is fixedly connected to an inner stretching slide plate (32), the inner wall of the inner stretching slide plate (32) is slidably connected to a sliding shaft (33), the inner wall of the sliding shaft (33) is rotatably connected to a clamping shaft (34), and the surface of the sliding shaft (33) away from the sleeve plate (31) is fixedly connected to a pressure plate (35).

6. The laser radar-based bridge prefabricated component appearance dimension detection device according to claim 5 is characterized in that: The lateral detection component (2) comprises a rack card plate (44); the surface of the lateral laser radar (7) away from the rack card plate (44) is slidably connected to the inner groove shaft (45); the surface of the frame (9) close to the inner groove shaft (45) is fixedly connected to a telescopic plate (46); the end face of the telescopic plate (46) is fixedly connected to an anti-collision plate (47); the inner wall of the transmission belt (41) away from the outer gear (42) is rotatably connected to the surface of the shaft (23); the surface of the connecting tooth plate (43) away from the outer gear (42) contacts the inner wall of the rack card plate (44); the end faces of both ends of the connecting tooth plate (43) are fixedly connected to the surfaces of the two lateral laser radars (7) close to each other; the bottom of the rack card plate (44) is fixedly connected to the surface of the frame (9); and the surface of the inner groove shaft (45) is rotatably connected to the inner wall of the frame (9).

7. The laser radar-based bridge prefabricated component appearance dimension detection device according to claim 6 is characterized by: The end surface of the output shaft (21) close to the external gear (42) is fixedly connected to a rotating plate (48), the end surface of the rotating plate (48) away from the output shaft (21) is fixedly connected to a vertical rod (49), the end surface of the vertical rod (49) away from the rotating plate (48) is fixedly connected to a block rotating plate (50), the surface of the block rotating plate (50) away from the frame (9) is plugged with an inner slot shaft (51), the surface of the inner slot shaft (51) is rotatably connected to the inner wall of the frame (9), and the surface of the inner slot shaft (51) away from the block rotating plate (50) is rotatably connected to the inner wall of the external gear (42).

8. The laser radar-based bridge prefabricated component appearance dimension detection device according to claim 7 is characterized in that: The auxiliary component (3) includes a return spring (64), the surface of which is fixedly connected to a push plate housing (65), the surface of which is fixedly connected to a push plate slider (66) on a side of the push plate (63) close to the push plate housing (65), the inner wall of the end of the periodic pull rod (61) away from the base (62) is sleeved with the surface of the vertical rod (49), the surface of the push plate (63) is slidably connected to the inner wall of the push plate housing (65), the number of the return springs (64) is four, and the four return springs (64) are symmetrically distributed around the center of the surface of the push plate (63), the end surface of the return spring (64) away from the push plate housing (65) is fixedly connected to the end surface of the push plate (63) away from the base (62), and the number of the push plate sliders (66) is two, and the two push plate sliders (66) are symmetrically distributed around the surface of the push plate (63).

9. The laser radar-based bridge prefabricated component appearance dimension detection device according to claim 8, characterized in that: A connecting circular plate (67) is fixedly connected to the surface of the push plate slider (66) on the side close to the return spring (64); a lifting plate (68) is provided on the surface of the connecting circular plate (67) on the side away from the push plate slider (66); an L-shaped rod (69) is fixedly connected to the surface of the connecting circular plate (67) on the side away from the lifting plate (68); a cross bar (70) is fixedly connected to the end surface of the L-shaped rod (69) away from the connecting circular plate (67); and an end of the cross bar (70) away from the end of the L-shaped rod (69) is fixedly connected to the end of the L-shaped rod (69). The surface is fixedly connected to a shaft fixing rod (71), the inner wall of the inner shell (12) close to the cross rod (70) is fixedly connected to a positioning plate (72), the surface of the push plate slider (66) is slidably connected to the inner wall of the inner shell (12), the surface of the lifting plate (68) away from the connecting circular plate (67) is fixedly connected to the inner wall of the push plate outer shell (65), and the surface of the positioning plate (72) close to the shaft fixing rod (71) is fixedly connected to the surface of the pressure plate (35) away from the sliding shaft (33).