A device for measuring the external dimensions of prefabricated building components capable of reducing resetting time

Abstract

The invention discloses a device for measuring the outer dimensions of building prefabricated components that can reduce the reset time, comprising a support frame 1, a support frame 2 and a top plate, wherein the support frame 1 and the support frame 2 are located at both sides of the lower end of the top plate, a placement groove is provided in the corresponding middle parts of the support frame 1 and the support frame 2 and located below the top plate, a conveying platform is provided in the inner middle part of the placement groove, and a number of building prefabricated components are provided on the conveying platform, a pressure sensor is provided at the lower end of the measuring plate 1, a laser rangefinder 1 is provided in the middle part of one side of the measuring plate 2 at one end, a position sensor 1 is provided on both the measuring plate 1 and the measuring plate 2, both ends of the moving plate are connected with the sliding assembly, a position sensor 2 is provided in the middle part of the moving plate, and a laser rangefinder 2 is provided on the side of the position sensor 2. Beneficial effect: when waiting for the measurement of the size of the next building prefabricated component, only lifting and adjusting are required, which reduces the reset time and improves the measurement efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of automatic measurement, in particular to a device for measuring the outer dimensions of a prefabricated building component capable of reducing a reset time. Background Art

[0002] At present, my country is actively promoting the development of prefabricated buildings in order to accelerate the transformation and upgrading of the construction industry. However, due to the short development time of this construction method in my country, the immature technical system and the lack of corresponding practical experience, the quality management levels of prefabricated component units and construction units vary greatly, and the quality of prefabricated construction projects is even more uneven. The existing prefabricated component dimension measuring devices have certain disadvantages when used. The detection method used by manufacturers is usually to determine by naked eyes after manual measurement by inspection personnel, or by adjusting the measuring ruler. This is not convenient for multiple large-scale measurement operations, resulting in low efficiency and low detection accuracy, and thus large measurement errors.

[0003] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0004] In view of the problems in the related art, the present invention proposes a device for measuring the outer dimensions of a prefabricated building component, which can reduce the resetting time, so as to overcome the above-mentioned technical problems existing in the existing related art.

[0005] To this end, the specific technical solution adopted by the present invention is as follows:

[0006] A device for measuring the outer dimensions of prefabricated building components capable of reducing the resetting time comprises a support frame 1, a support frame 2 and a top plate, wherein the support frame 1 and the support frame 2 are located at both sides of the lower end of the top plate, a placement groove is arranged in the corresponding middle parts of the support frame 1 and the support frame 2 and located below the top plate, a conveying platform is arranged in the middle part of the placement groove, a plurality of prefabricated building components are arranged on the conveying platform, a lifting slider is arranged at the upper middle ends of the support frame 1 and the support frame 2, a fixed frame is arranged in the middle part of the lower end of the top plate, L-shaped frames are arranged at both ends of the fixed frame, a rotating connecting rod is arranged in the middle part of the L-shaped frame, and the rotating connecting rod is arranged in the middle part of the rotating connecting rod. A lifting motor is provided at one end of the moving connecting rod, and a driving bevel gear is sleeved on the end and middle of the rotating connecting rod located at the L-shaped frame, and a lifting screw rod extending to the lower ends of the support frame 1 and the support frame 2 is provided in the middle of the L-shaped frame, and a driven bevel gear connected to the driving bevel gear is provided at the top of the lifting screw rod, and the lifting screw rod is matched with the screw hole of the lifting slider, and a lifting adjustment plate is provided between the lifting sliders and below the fixed frame, and a rotating motor is provided in the middle of the upper end of the lifting adjustment plate, and a measuring adjustment device is provided at the lower end of the lifting adjustment plate, and a connecting frame is provided in the middle of the upper end of the measuring adjustment device. The output shaft of the rotating motor is connected to the connecting frame through a rotating mounting member, a measuring plate 1 is provided on both sides of the lower end of the measuring and adjusting device, a connecting through groove is provided in the middle of the measuring plate 1, a measuring plate 2 inserted through the measuring plate 1 is provided on both sides of the middle of the measuring and adjusting device, a pressure sensor is provided at the lower end of the measuring plate 1, a laser rangefinder 1 is provided in the middle of one side of the measuring plate 2 at one end, a position sensor 1 is provided on both the measuring plate 1 and the measuring plate 2, a side plate is provided on the side of the lower end of the support frame 1 and the support frame 2 and on the side corresponding to the conveying platform, an adjusting screw is provided on one side of the middle of the side plate, the An adjusting motor is provided at one end of the adjusting screw rod, an adjusting seat is provided in the middle of the adjusting screw rod, a movable frame is provided at one end of the adjusting seat, a connecting screw rod is provided in the middle of the movable frame, a connecting motor is provided at the top of the connecting screw rod, a movable plate is provided in the middle of the connecting screw rod, sliding components are provided at both ends of the side plates located at the adjusting screw rod and at both ends of the movable plate located at the connecting screw rod, both ends of the adjusting seat are matched and connected with the sliding components, both ends of the movable plate are matched and connected with the sliding components, a position sensor 2 is provided in the middle of the movable plate, and a laser rangefinder 2 is provided on the side of the position sensor 2.

[0007] Furthermore, the support frame 1, the support frame 2 and the top plate are an integrally connected welded fixed structure, and the support frame 1 and the support frame 2 are both fixedly connected to the ground by bolts.

[0008] Furthermore, the conveying platform is composed of a conveying frame, a conveying belt, a conveying motor and a plurality of conveying wheels connected thereto.

[0009] Furthermore, both ends of the lifting slider are provided with sliders that cooperate with the connecting sliding grooves of the side walls of the support frame 1 and the support frame 2.

[0010] Furthermore, the adjusting motor is fixedly connected to the side plate via a fixing frame.

[0011] Furthermore, the sliding assembly includes support blocks located on both sides of the side plates, and connecting slide rods are provided between the middle parts of the support blocks, and the connecting slide rods are inserted into the slide holes on both sides of the adjustment seat.

[0012] Furthermore, the measuring and adjusting device includes a support plate connected to the connecting frame, a groove is provided in the middle of the upper end of the support plate, slide rails are provided at both ends of one side of the front end of the support plate, and support sliders matching the slide rails are provided on the sides of the support plate, a movable block is provided at one end of the support slider, a rack plate extending to the groove is provided on the corresponding staggered side of the movable block, a driving motor is provided on the side of the support plate close to the groove, a driving gear is provided at one end of the output shaft of the driving motor, and the driving gear is matched with the rack plate, and the movable block is provided with a receiving block at one end away from the supporting slider, and the two ends of the corresponding side of the receiving block are connected to the measuring plate.

[0013] Furthermore, the support plate is provided with a rotating motor on both sides of the driving motor, the output shaft of the rotating motor is inserted into the through grooves on both sides of the support plate, and one end of the rotating motor is provided with a connecting screw connected to the threaded groove of the receiving block, and the connecting screw is threadedly connected to the threaded hole at one end of the measuring plate.

[0014] Furthermore, the support plate is staggeredly provided with connecting blocks on both sides of the groove, and an auxiliary rotating rod matched with the rack plate is provided at one end of the connecting block away from the support plate.

[0015] The beneficial effects of the present invention are as follows: through the adjustment of the measuring and adjusting device, lateral, longitudinal and height measurements are achieved on multiple sensors, thereby realizing the function of high-precision automatic measurement, improving the use effect of the device, and being conducive to the long-term promotion of the device. Finally, the measured data will be intuitively displayed on the display screen, waiting for the measurement of the size of the next prefabricated building component, only lifting and adjusting are required, which reduces the reset time and improves the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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 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 these drawings without paying creative work.

[0017] Figure 1 is a schematic structural diagram of a device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time according to an embodiment of the present invention;

[0018] Figure 2 is a side view of a device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time according to an embodiment of the present invention;

[0019] Figure 3 Schematic diagram of a rotating connecting rod of a device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time according to an embodiment of the present invention;

[0020] Figure 4 Schematic diagram of a sliding assembly of a device for measuring the outer dimensions of a prefabricated building component capable of reducing the resetting time according to an embodiment of the present invention;

[0021] Figure 5 The present invention is a schematic diagram of a measuring and adjusting device for measuring the outer dimensions of a prefabricated building component capable of reducing the resetting time according to an embodiment of the present invention.

[0022] In the figure:

[0023] 1. Support frame 1; 2. Support frame 2; 3. Top plate; 4. Conveying platform; 5. Prefabricated building components; 6. Lifting slider; 7. Fixed frame; 8. L-shaped frame; 9. Rotating connecting rod; 10. Lifting motor; 11. Driving bevel gear; 12. Lifting screw rod; 13. Driven bevel gear; 14. Lifting adjustment plate; 15. Rotating motor; 16. Measuring and adjusting device; 17. Connecting frame; 18. Measuring plate 1; 19. Measuring plate 2; 20. Pressure sensor; 21. Laser rangefinder 1; 22. Position sensor 1; 2 3. Side panel; 24. Adjustment seat; 25. Movable frame; 26. Connecting screw rod; 27. Connecting motor; 28. Moving plate; 29. ​​Sliding assembly; 30. Position sensor 2; 31. Laser rangefinder 2; 32. Support block; 33. Connecting slide rod; 34. Support plate; 35. Slide rail; 36. Support slider; 37. Movable block; 38. Rack plate; 39. Driving motor; 40. Driving gear; 41. Receiver block; 42. Rotating motor; 43. Linking screw rod; 44. Adjusting screw rod; 45. Adjusting motor. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the present invention, a device for measuring the outer dimensions of a prefabricated building component is provided, which can reduce the resetting time.

[0026] Embodiment 1:

[0027] like Figure 1-5As shown, the device for measuring the outer dimensions of prefabricated building components capable of reducing the reset time according to an embodiment of the present invention comprises a support frame 1, a support frame 2 and a top plate 3, wherein the support frame 1 and the support frame 2 are located at both sides of the lower end of the top plate 3, and a placement groove is provided in the corresponding middle parts of the support frame 1 and the support frame 2 and located below the top plate 3, and a conveying platform 4 is provided in the inner middle part of the placing groove, and a plurality of prefabricated building components 5 are arranged on the conveying platform 4, and a lifting slider 6 is provided at the middle upper ends of the support frame 1 and the support frame 2, and a fixed frame 7 is provided in the middle part of the lower end of the top plate 3, and L-shaped frames 8 are provided at both ends of the fixed frame 7, and a rotating connecting rod 9 is provided in the middle part of the L-shaped frame 8, A lifting motor 10 is provided at one end of the rotating connecting rod 9, and a driving bevel gear 11 is sleeved on the end and middle part of the rotating connecting rod 9 located at the L-shaped frame 8. A lifting screw rod 12 extending to the lower ends of the support frame 1 and the support frame 2 is provided in the middle part of the L-shaped frame 8. A driven bevel gear 13 connected to the driving bevel gear 11 is provided at the top of the lifting screw rod 12. The lifting screw rod 12 is matched with the screw hole of the lifting slider 6. A lifting adjustment plate 14 is provided between the lifting sliders 6 and below the fixed frame 7. A rotating motor 15 is provided in the middle part of the upper end of the lifting adjustment plate 14. A measuring adjustment device 16 is provided at the lower end of the lifting adjustment plate 14. The measuring adjustment device 16 A connecting frame 17 is provided in the middle of the upper end, the output shaft of the rotating motor 15 is connected to the connecting frame 17 through a rotating mounting member, measuring plates 18 are provided on both sides of the lower end of the measuring and adjusting device 16, and connecting through grooves are provided in the middle of the measuring plate 18. Measuring plates 19 inserted into the measuring plates 18 are provided on both sides of the middle of the measuring and adjusting device 16, a pressure sensor 20 is provided at the lower end of the measuring plate 18, a laser rangefinder 21 is provided in the middle of one side of the measuring plate 19 at one end, and a position sensor 22 is provided on both the measuring plate 18 and the measuring plate 19, and a side plate 2 is provided on the lower side of the supporting frame 1 and the supporting frame 2 and on the side corresponding to the conveying platform 4. 3. An adjusting screw rod 44 is arranged on one side of the middle part of the side plate 23, an adjusting motor 45 is arranged on one end of the adjusting screw rod 44, an adjusting seat 24 is arranged on the middle part of the adjusting screw rod 44, a movable frame 25 is arranged on one end of the adjusting seat 24, a connecting screw rod 26 is arranged on the middle part of the movable frame 25, a connecting motor 27 is arranged on the top of the connecting screw rod 26, a moving plate 28 is arranged on the middle part of the connecting screw rod 26, sliding components 29 are arranged on both ends of the side plate 23 located at the adjusting screw rod 44 and on both ends of the moving plate 28 located at the connecting screw rod 26, both ends of the adjusting seat 24 are connected with the sliding components 29 in cooperation, and both ends of the moving plate 28 are connected with the sliding components 29 in cooperation,A position sensor 2 30 is disposed in the middle of the moving plate 28, and a laser rangefinder 2 31 is disposed on the side of the position sensor 2 30.

[0028] With the aid of the above technical solution, the prefabricated building components 5 to be measured are placed on the conveying platform 4 in sequence and at intervals, and the conveying platform 4 moves toward the square of the support frame 1 and the support frame 2 under the action of the conveyor belt. When the prefabricated building components 5 move to the measuring point, the conveying platform 4 stops moving, and the prefabricated building components 5 are in a stationary state. At this time, the laser rangefinder 2 31 and the position sensor 2 30 are turned on to move, and the adjusting motors 45 at both ends drive the adjusting screw rod 44 to rotate, and the adjusting seat 24 at the upper end of the adjusting screw rod 44 and the movable frame 25 on the side of the adjusting seat 24 are moved toward the middle together, and the laser rangefinders 2 31 at both ends are moved to both sides until the prefabricated building components 5 are sensed. At the same time, the position sensor 2 30 records the displacement spacing of the two laser rangefinders 2 31, thereby obtaining a preliminary longitudinal size, and the height is adjusted by starting the connecting motor 27 to move the connecting screw rod 26, so that the height size can be obtained on the laser rangefinder 2 31 and the position sensor 2 30;

[0029] After the laser rangefinder 2 31 at both ends quickly senses, the lifting motor 10 is started and drives the rotating connecting rod 9 to move. The driving bevel gear 11 and the driven bevel gear 13 of the rotating connecting rod 9 move and drive the lifting screw 12 to rotate, so that the lifting screw 12 is connected to the lifting slider 6 in the middle and adjusts the height together with the lifting adjustment plate 14. The PLC controller is connected to the lifting motor 10, and the height is detected by the laser rangefinder 2 31 and the height of the lifting adjustment plate 14 is controlled. When the measuring point position is reached, the driving motor 39 is started to drive the driving gear 40 to move, so that the rack plates 38 at the upper and lower ends move toward the middle under the meshing of the driving gear 40, and the movable block 37 and the supporting slider 36 connected at one end of the rack plate 38 slide on the slide rail 35, and the movable block 37 and the two receiving blocks 41 at the front end are moved to The middle part moves until the measuring plate 18 is in contact, and the pressure sensor 20 senses that it has hit the prefabricated building component 5, and then stops driving the motor 39. At this time, the position sensor 22 and the laser rangefinder 21 are started, and the position sensor 22 measures the displacement distance. The time elapsed is received by the laser rangefinder 21, and the longitudinal direction of the target distance can be determined. Then the lifting screw 12 rises, and the entire measuring device is rotated 90 degrees by the rotating motor 15. The above method is repeated to measure and realize horizontal measurement, thereby realizing the function of high-precision automatic measurement, improving the use effect of the device, and being conducive to the long-term promotion of the device. Finally, the measured data will be intuitively displayed on the display screen, waiting for the measurement of the size of the next prefabricated building component 5. Only lifting and adjustment are required to reduce the reset time and improve the measurement efficiency.

[0030] Embodiment 2:

[0031] like Figure 1-5 As shown, the support frame 1, the support frame 2 and the top plate 3 are an integrally connected welded fixed structure, and the support frame 1 and the support frame 2 are fixedly connected to the ground by bolts. The conveying platform 4 is composed of a conveying frame, a conveyor belt, a conveying motor and a plurality of conveying wheels connected thereto. Both ends of the lifting slider 6 are provided with sliders that cooperate with the connecting slide grooves of the side walls of the support frame 1 and the support frame 2. The adjusting motor 45 is fixedly connected to the side plate 23 through a fixing frame. The sliding assembly 29 includes support blocks 32 located on both sides of the side plate 23, and connecting slide rods 33 are provided between the middle parts of the support blocks 32, and the connecting slide rods 33 are inserted into the slide holes on both sides of the adjusting seat 24.

[0032] like Figure 1-5 As shown, the measuring and adjusting device 16 includes a support plate 34 connected to the connecting frame 17, a groove is provided in the middle of the upper end of the support plate 34, slide rails 35 are provided at both ends of one side of the front end of the support plate 34, and the side edges of the support plate 34 are provided with support sliders 36 matched with the slide rails 35, and one end of the support slider 36 is provided with a movable block 37, and a rack plate 38 extending to the groove is provided on the corresponding staggered side of the movable block 37, and a driving motor 39 is provided on the side of the support plate 34 close to the groove, and a driving gear 40 is provided at one end of the output shaft of the driving motor 39, and the driving gear 40 is matched with the rack plate 38. The movable block 37 is provided with a receiving block 41 at one end away from the supporting slider 36, and the two ends of the corresponding side of the receiving block 41 are connected to the measuring plate 18. The support plate 34 is provided with rotating motors 42 on both sides of the driving motor 39, and the output shaft of the rotating motor 42 is inserted through the through grooves on both sides of the support plate 34. One end of the rotating motor 42 is provided with a connecting screw 43 connected to the threaded groove of the receiving block 41, and the connecting screw 43 is threadedly connected to the threaded hole at one end of the measuring plate 219. The support plate 34 is provided with connecting blocks staggered on both sides of the groove, and the ends of the connecting blocks away from the support plate 34 are provided with auxiliary rotating rods matched with the rack plate 38.

[0033] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation mode of the present invention in the actual process is described in detail below.

[0034] In actual application, the prefabricated building components 5 to be measured are placed on the conveying platform 4 in sequence and at intervals, and the conveying platform 4 moves toward the square of the support frame 1 and the support frame 2 under the action of the conveyor belt. When the prefabricated building components 5 move to the measuring point, the conveying platform 4 stops moving, and the prefabricated building components 5 are in a static state. At this time, the laser rangefinder 2 31 and the position sensor 2 30 are turned on to move, and the adjusting motors 45 at both ends drive the adjusting screw rod 44 to rotate, and the adjusting seat 24 at the upper end of the adjusting screw rod 44 and the movable frame 25 on the side of the adjusting seat 24 are moved toward the middle together, and the laser rangefinders 2 31 at both ends are moved to both sides until the prefabricated building components 5 are sensed. At the same time, the position sensor 2 30 records the displacement spacing of the two laser rangefinders 2 31, thereby obtaining a preliminary longitudinal size, and the height is adjusted by starting the connecting motor 27 to move the connecting screw rod 26, so that the height size can be obtained on the laser rangefinder 2 31 and the position sensor 2 30;

[0035] After the laser rangefinder 2 31 at both ends quickly senses, the lifting motor 10 is started and drives the rotating connecting rod 9 to move. The driving bevel gear 11 and the driven bevel gear 13 of the rotating connecting rod 9 move and drive the lifting screw 12 to rotate, so that the lifting screw 12 is connected to the lifting slider 6 in the middle and adjusts the height together with the lifting adjustment plate 14. The PLC controller is connected to the lifting motor 10, and the height is detected by the laser rangefinder 2 31 and the height of the lifting adjustment plate 14 is controlled. When the measuring point position is reached, the driving motor 39 is started to drive the driving gear 40 to move, so that the rack plates 38 at the upper and lower ends move toward the middle under the meshing of the driving gear 40, and the movable block 37 and the supporting slider 36 connected at one end of the rack plate 38 slide on the slide rail 35, and the movable block 37 and the two receiving blocks 41 at the front end are moved to The middle part moves until the measuring plate 18 is in contact, and the pressure sensor 20 senses that it has hit the prefabricated building component 5, and then stops driving the motor 39. At this time, the position sensor 22 and the laser rangefinder 21 are started, and the position sensor 22 measures the displacement distance. The time elapsed is received by the laser rangefinder 21, and the longitudinal direction of the target distance can be determined. Then the lifting screw 12 rises, and the entire measuring device is rotated 90 degrees by the rotating motor 15. The above method is repeated to measure and realize horizontal measurement, thereby realizing the function of high-precision automatic measurement, improving the use effect of the device, and being conducive to the long-term promotion of the device. Finally, the measured data will be intuitively displayed on the display screen, waiting for the measurement of the size of the next prefabricated building component 5. Only lifting and adjustment are required to reduce the reset time and improve the measurement efficiency.

[0036] To sum up, with the help of the above-mentioned technical scheme of the present invention, through the adjustment of the measuring and adjusting device 16, the lateral, longitudinal and height measurements are realized on multiple sensors, thereby realizing the function of high-precision automatic measurement, improving the use effect of the device, and being conducive to the long-term promotion of the device. Finally, the measured data will be intuitively displayed on the display screen, waiting for the measurement of the size of the next prefabricated building component 5, only lifting and adjustment are needed, which reduces the reset time and improves the measurement efficiency.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time, characterized in that: The invention comprises a support frame 1 (1), a support frame 2 (2) and a top plate (3), wherein the support frame 1 (1) and the support frame 2 (2) are located at both sides of the lower end of the top plate (3), a placement groove is provided in the corresponding middle parts of the support frame 1 (1) and the support frame 2 (2) and located below the top plate (3), a conveying platform (4) is provided in the middle part of the placement groove, and a plurality of prefabricated building components (5) are provided on the conveying platform (4), a lifting slider (6) is provided at the upper middle ends of the support frame 1 (1) and the support frame 2 (2), a fixed frame (7) is provided in the middle part of the lower end of the top plate (3), L-shaped frames (8) are provided at both ends of the fixed frame (7), and a rotating connecting rod (5) is provided in the middle part of the L-shaped frame (8). 9), a lifting motor (10) is provided at one end of the rotating connecting rod (9), a driving bevel gear (11) is sleeved on the end and middle of the rotating connecting rod (9) located on the L-shaped frame (8), a lifting screw rod (12) extending to the lower ends of the support frame 1 (1) and the support frame 2 (2) is provided in the middle of the L-shaped frame (8), a driven bevel gear (13) connected to the driving bevel gear (11) is provided at the top of the lifting screw rod (12), the lifting screw rod (12) is matched with the screw hole of the lifting slider (6), a lifting adjustment plate (14) is provided between the lifting sliders (6) and below the fixed frame (7), and a rotating motor (15) is provided in the middle of the upper end of the lifting adjustment plate (14). ), a measuring adjustment device (16) is provided at the lower end of the lifting adjustment plate (14), a connecting frame (17) is provided at the middle of the upper end of the measuring adjustment device (16), the output shaft of the rotating motor (15) is connected to the connecting frame (17) through a rotating mounting member, measuring plates (18) are provided on both sides of the lower end of the measuring adjustment device (16), a connecting through groove is provided in the middle of the measuring plate (18), measuring plates (19) (19) (19) are provided on both sides of the middle of the measuring adjustment device (16) and are inserted through the measuring plate (18), a pressure sensor (20) is provided at the lower end of the measuring plate (18), a laser rangefinder (21) is provided at the middle of one side of the measuring plate (19) at one end, and the measuring plate (19) is provided at the middle of one side of the measuring plate (19) at one end. Position sensors 1 (22) are provided on both the support frame 1 (18) and the measuring plate 2 (19); side plates (23) are provided on the lower side edges of the support frame 1 (1) and the support frame 2 (2) and on the side corresponding to the conveying platform (4); an adjusting screw rod (44) is provided on one side of the middle of the side plate (23); an adjusting motor (45) is provided at one end of the adjusting screw rod (44); an adjusting seat (24) is provided in the middle of the adjusting screw rod (44); a movable frame (25) is provided at one end of the adjusting seat (24); a connecting screw rod (26) is provided in the middle of the movable frame (25); a connecting motor (27) is provided at the top end of the connecting screw rod (26); and a movable plate (28) is provided in the middle of the connecting screw rod (26).The side plates (23) are located at both ends of the adjusting screw rod (44) and the movable plate (28) is located at both ends of the connecting screw rod (26) and is provided with sliding components (29). The two ends of the adjusting seat (24) are matched and connected with the sliding components (29). The two ends of the movable plate (28) are matched and connected with the sliding components (29). The middle of the movable plate (28) is provided with a second position sensor (30). The side of the second position sensor (30) is provided with a second laser rangefinder (31). The measuring The adjusting device (16) comprises a support plate (34) connected to the connecting frame (17), a groove is provided in the middle of the upper end of the support plate (34), slide rails (35) are provided at both ends of one side of the front end of the support plate (34), support sliders (36) matching with the slide rails (35) are provided on the sides of the support plate (34), a movable block (37) is provided at one end of the support slider (36), a rack plate (38) extending to the groove is provided on the corresponding staggered side of the movable block (37), and the support plate (34) A driving motor (39) is provided on the side close to the groove, a driving gear (40) is provided at one end of the output shaft of the driving motor (39), and the driving gear (40) is matched and connected with the rack plate (38), a receiving block (41) is provided at one end of the movable block (37) away from the supporting slider (36), and two ends of the corresponding side of the receiving block (41) are connected to the measuring plate (18), and the supporting plate (34) is provided with a rotating motor ( 42), the output shaft of the rotating motor (42) is inserted into the through grooves on both sides of the support plate (34), one end of the rotating motor (42) is provided with a connecting screw (43) connected to the threaded groove of the receiving block (41), the connecting screw (43) is threadedly connected to the threaded hole at one end of the measuring plate (19), the support plate (34) is staggeredly provided with connecting blocks on both sides of the groove, and the ends of the connecting blocks away from the support plate (34) are provided with auxiliary rotating rods that cooperate with the rack plate (38).

2. A device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time according to claim 1, characterized in that: The support frame 1 (1), the support frame 2 (2) and the top plate (3) are an integrally connected welded fixed structure, and the support frame 1 (1) and the support frame 2 (2) are both fixedly connected to the ground by bolts.

3. The device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time according to claim 1, characterized in that: The conveying platform (4) is composed of a conveying frame, a conveying belt, a conveying motor and a plurality of conveying wheels connected thereto.

4. The device for measuring the outer dimensions of a prefabricated building component capable of reducing the resetting time according to claim 1, characterized in that: Both ends of the lifting slider (6) are provided with sliders that cooperate with the connecting sliding grooves of the side walls of the support frame 1 (1) and the support frame 2 (2).

5. The device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time according to claim 1, characterized in that: The regulating motor (45) is fixedly connected to the side plate (23) via a fixing frame.

6. The device for measuring the external dimensions of a prefabricated building component capable of reducing the resetting time according to claim 1, characterized in that: The sliding assembly (29) comprises support blocks (32) located on both sides of the side plate (23), and a connecting slide rod (33) is provided between the middle parts of the support blocks (32), and the connecting slide rod (33) is inserted into the slide holes on both sides of the adjustment seat (24).

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