A measuring device for prefabricated building materials

Abstract

This invention discloses a measuring device for prefabricated building materials, belonging to the technical field of measuring equipment. It includes a base plate with mounting holes at its four corners. A support base is fixedly connected to the center of the base plate, and a hinge base is fixedly connected to the top of the support base. A measuring ruler is rotatably connected to the hinge base. A pair of slide rails are fixedly connected to the top of the base plate, and a slider is slidably connected to the slide rails. The slider is fixedly connected to the bottom of a support plate. Side plates are fixedly installed on the support plate, and a control panel is fixedly installed on the surface of the side plates. This invention has a reasonable structure. The spacing between the side plates is fixed by a limiting component, and the curved prefabricated building material is placed by a loading component, thus facilitating the measurement of the curved surface of the prefabricated building material using the measuring ruler.

Description

Technical Field

[0001] This invention relates to the field of measuring equipment technology, and in particular to a measuring device for prefabricated building materials. Background Technology

[0002] Precast building materials refer to building materials that transfer a large amount of on-site work in traditional construction methods to factories to process and manufacture building components and accessories (such as floors, wall panels, stairs, balconies, etc.), transport them to the construction site, and assemble and install them on-site through reliable connections. The most commonly used precast building material in current technology is concrete.

[0003] Announcement No. CN116878395A discloses a prefabricated building construction measurement device, comprising a measuring frame. A measuring ruler is fixedly connected to the top rear side of the measuring frame, and an automatic measuring mechanism is fixedly connected to the top front side of the measuring frame. A handle is fixedly installed at one end of the measuring frame, and a handrail is rotatably connected to the front end of the measuring frame near the handle. A drive motor is activated to drive a lead screw to drive a slider, which in turn moves the measuring frame. The measuring frame and a limiting plate clamp and position the prefabricated assembly workpiece material to be measured. A laser rangefinder is activated to measure the distance between the limiting plate and the measuring frame. This allows the device to quickly measure the values ​​of the prefabricated assembly workpiece clamped between the limiting plate and the measuring frame, facilitating rapid inspection and effectively improving the device's inspection efficiency. Furthermore, inspection can be performed without manual supervision, resulting in high inspection accuracy.

[0004] There are still some issues with the measurement of prefabricated building materials.

[0005] Existing prefabricated building materials come in a variety of shapes, among which curved building materials are widely used. The manufacturing process of curved prefabricated building materials is also more complicated than that of ordinary ones. After the curved prefabricated building materials are formed, the curved surface of the curved prefabricated building materials needs to be measured manually. Due to the special shape, it is easy for the material to slip, so the measurement is also very troublesome. Summary of the Invention

[0006] The purpose of this application is to provide a prefabricated building material measuring device, which realizes the fixing of the spacing between the side panels by the limiting component, and then the placement of the arc-shaped prefabricated building material by the loading component, thereby facilitating the measurement of the arc surface of the arc-shaped prefabricated building material by the measuring ruler.

[0007] To achieve the above objectives, this application provides the following technical solution: a prefabricated building material measuring device, comprising a base plate, mounting holes at the four corners of the base plate, a support fixedly connected to the middle of the base plate, a hinge fixedly connected to the top of the support, a measuring ruler rotatably connected to the hinge, a pair of slide rails fixedly connected to the upper part of the base plate, a slider slidably connected to the pair of slide rails, the slider fixedly connected to the bottom of a support plate, a side plate fixedly mounted on the support plate, a control panel fixedly mounted on the surface of the side plate, a handle fixedly connected to the top of the side of the side plate, and a through groove in the middle of the side plate; further comprising a limiting component, a loading component, and an adjusting component, the limiting component being located in the middle of the base plate for adjusting the distance between the support plates, the loading component being located inside the side plate for placing prefabricated building materials, and the adjusting component being located outside the side plate for adjusting the position of the prefabricated building materials.

[0008] Preferably, the limiting component includes a pair of fixed seats fixedly installed in the middle of the base plate, a positioning plate fixedly connected between the pair of fixed seats, an adjusting block provided on the positioning plate, a sliding groove provided on the adjusting block, a movable block slidably connected inside the sliding groove, the movable block being fixedly connected to the pressure plate, the pressure plate being disposed inside the adjusting block, and an arc-shaped groove provided at the top of the pressure plate.

[0009] Preferably, a camshaft is fitted inside the arc-shaped groove, a pull plate is fixedly connected to the surface of the camshaft, both ends of the camshaft are rotatably connected to a first bearing, the bottom end of the first bearing is fixedly connected to the adjusting block, and docking frames are fixedly connected to both sides of the adjusting block, and the docking frames are fixedly connected to the support plate.

[0010] Preferably, the loading assembly includes a pair of docking blocks fixedly mounted on the side plate, the other end of the pair of docking blocks is fixedly connected to a support plate, an adjustment plate is fixedly connected to the surface of the support plate, the adjustment plate is provided with a guide groove, and a plurality of slots are provided on the adjustment plate, the guide groove and the slots are interconnected.

[0011] Preferably, the support plate has side seats fixedly connected to both ends, a slide rod fixedly connected to the side seats, a pulley slidably connected to the slide rod, the pulley rotatably connected to the mounting base, the mounting base fixedly connected to the shelf, a fixing rod fixedly connected to the middle of the shelf, and a roller rotatably connected to the fixing rod.

[0012] Preferably, a pair of second bearing seats are fixedly connected to the inner side of the shelf, and an adjusting rod is rotatably connected between the pair of second bearing seats. A sleeve is fixedly connected to the middle position of the adjusting rod, and a locking rod is fixedly connected to the sleeve. The locking rod is locked inside one of the locking slots. An extension rod is fixedly connected to one end of the adjusting rod, and an adjusting head is fixedly connected to the other end of the extension rod. A first spring is sleeved on the extension rod, and the two ends of the first spring are fixedly connected to one side of the second bearing seat and one side of the adjusting head, respectively.

[0013] Preferably, the adjustment assembly includes a servo motor fixedly installed on the outside of the side plate, a transmission rod fixedly connected to the output end of the servo motor, a first pulley fixedly connected to the other end of the transmission rod, a transmission belt sleeved on the first pulley, a guide wheel sleeved at the middle of the transmission belt, the guide wheel rotatably connected to a shaft pin, and one end of the shaft pin fixedly connected to a sleeve block.

[0014] Preferably, a pair of sleeve blocks are provided, the sleeve blocks are slidably connected to the limiting rod, the limiting rod is sleeved with a second spring, the two ends of the second spring are attached to the pair of sleeve blocks, the two ends of the second spring are fixedly connected to the third shaft seat, the third shaft seat is fixedly connected to the side plate, a driven block is fixedly connected to the pair of second springs, the driven block is slidably connected to the slide plate, and the two ends of the slide plate are fixedly connected to the third shaft seat.

[0015] Preferably, the bottom end of the transmission belt is sleeved on the second pulley, the second pulley is fixedly connected to the main shaft, a collar is sleeved on the main shaft, a telescopic cylinder is fixedly connected to the surface of the collar, the bottom end of the telescopic cylinder is fixedly connected to the limiting seat, and the limiting seat is fixedly connected to the side plate.

[0016] Preferably, a limiting plate is sleeved on the main shaft, and sleeves are fixedly connected to both ends of the limiting plate. The sleeves are slidably connected to the guide rod, and both ends of the guide rod are fixedly connected to the connecting frame. The connecting frame is fixedly installed on the side plate, and one end of the main shaft extends to the other side of the side plate through the through groove. A rubber wheel is fixedly connected to the other end of the main shaft.

[0017] In summary, the present invention has the following beneficial effects:

[0018] 1. The present invention has a reasonable structure. When adjusting the distance between the side plates, the pull plate on the camshaft is pulled to both sides, so that a gap is created between the camshaft and the arc groove on the pressure plate, thereby loosening the pressure plate and the positioning plate. Then, the handle on the side plate is pushed to adjust the distance between the side plates. When using prefabricated building materials, the pull plate is pulled upward, so that the surface of the camshaft is tightly attached to the inner wall of the arc groove, thereby making it easier for the pressure plate to clamp the surface of the positioning plate to fix the position of the side plates.

[0019] 2. In this invention, when placing prefabricated building materials, the distance between the rollers on the fixed rod is first adjusted. The adjusting head is rotated clockwise, and the rotation of the adjusting head drives the adjusting rod to rotate, which facilitates the locking rod on the sleeve to enter the guide groove. Then, the entire shelf is pushed. The movement of the shelf facilitates the rolling of the pulley on the surface of the sliding rod, thereby increasing the stability of the overall movement of the shelf. After moving to the appropriate position, the adjusting head is released, and the elastic force of the first spring causes the locking rod to be re-locked in the corresponding slot, which facilitates the adjustment of the distance between the rollers on the fixed rod and the placement of the prefabricated building materials.

[0020] 3. In this invention, when the precast building material is placed on the roller, the telescopic cylinder retracts, causing the main shaft to move downwards. The second spring slides on the limit rod to prevent the transmission belt from falling off. The movement of the main shaft facilitates the sliding of the sleeve on the limit plate on the guide rod, increasing the stability of the main shaft movement. The movement of the main shaft also facilitates the rubber wheel to adhere to the top surface of the precast building material. When correcting its position, the servo motor operates to rotate the first pulley on the transmission rod. The rotation of the first pulley drives the second pulley to rotate through the transmission belt, thereby facilitating the rotation of the main shaft on the second pulley. The rotation of the main shaft facilitates the rubber wheel to correct the position of the precast building material, making it convenient for the measuring ruler to perform measurement work. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the measuring equipment;

[0023] Figure 2 This is a rear-view three-dimensional structural diagram of the measuring equipment;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the side panel;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the side panel from the rear.

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the shelving unit;

[0027] Figure 6 A schematic diagram of the three-dimensional structure of the adjustment component;

[0028] Figure 7 A side view of the three-dimensional structure of the adjustment component;

[0029] Figure 8 for Figure 2 Enlarged structural diagram at point A in the middle;

[0030] Figure 9 for Figure 5 Enlarged structural diagram at point B.

[0031] In the diagram: 1. Base plate; 101. Mounting hole; 102. Support seat; 103. Hinge seat; 104. Measuring ruler; 105. Slide rail; 106. Slider; 107. Support plate; 108. Side plate; 109. Control panel; 110. Handle; 112. Through groove; 2. Fixed seat; 201. Positioning plate; 203. Adjusting block; 204. Slide groove; 205. Movable block; 206. Pressure plate; 207. Arc groove; 208. Camshaft; 209. Pull plate; 210. First shaft seat; 211. Connecting frame; 3. Connecting block; 301. Support plate; 302. Adjusting plate; 303. Guide groove; 304. Slot; 305. Side seat; 306. Slide rod; 307. Pulley; 308. Mounting seat; 309. Storage box Frame; 310, Fixed rod; 311, Roller; 312, Second shaft seat; 313, Adjusting rod; 314, Sleeve; 315, Locking rod; 316, Extension rod; 317, Adjusting head; 318, First spring; 4, Servo motor; 401, Transmission rod; 402, First pulley; 403, Transmission belt; 404, Guide wheel; 405, Shaft pin; 406, Sleeve block; 407, Limiting rod; 408, Second spring; 409, Third shaft seat; 410, Driven block; 411, Slide plate; 5, Second pulley; 501, Main shaft; 502, Collar; 503, Telescopic cylinder; 504, Limiting seat; 505, Limiting plate; 506, Sleeve seat; 507, Guide rod; 508, Connecting frame; 509, Rubber wheel. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example: Reference Figure 1 - Figure 9 The prefabricated building material measuring device shown includes a base plate 1, with mounting holes 101 at the four corners of the base plate 1. A support base 102 is fixedly connected to the middle of the base plate 1, and a hinge base 103 is fixedly connected to the top of the support base 102. A measuring ruler 104 is rotatably connected to the hinge base 103. A pair of slide rails 105 are fixedly connected to the upper part of the base plate 1, and a slider 106 is slidably connected to the pair of slide rails 105. The slider 106 is fixedly connected to the bottom of a support plate 107, and a side plate 108 is fixedly installed on the support plate 107. A control panel 109 is fixedly installed on the surface of the side plate 108, and a handle 110 is fixedly connected to the top of the side of the side plate 108. A through groove 112 is opened in the middle of the side plate 108. It also includes a limiting component, a loading component and an adjusting component. The limiting component is located in the middle of the base plate 1 for adjusting the distance between the support plates 107. The loading component is located on the inner side of the side plate 108 for placing prefabricated building materials. The adjusting component is located on the outer side of the side plate 108 for adjusting the position of the prefabricated building materials.

[0034] Specifically, it should be noted that the control panel 109 and the servo motor 4 are electrically connected to the external control unit via wires. The specific working principle between them is based on existing technology and will not be elaborated on here. The operation of the servo motor 4 facilitates the correction of the position of the prefabricated building materials.

[0035] As one embodiment of this invention, the limiting component includes a pair of fixed seats 2 fixedly installed in the middle of the base plate 1. A positioning plate 201 is fixedly connected between the pair of fixed seats 2. An adjusting block 203 is provided on the positioning plate 201. A sliding groove 204 is provided on the adjusting block 203. A movable block 205 is slidably connected inside the sliding groove 204. The movable block 205 is fixedly connected to the pressure plate 206. The pressure plate 206 is located inside the adjusting block 203. An arc-shaped groove 207 is provided at the top of the pressure plate 206. A camshaft 208 is fitted inside the arc-shaped groove 207. A pull plate 209 is fixedly connected to the surface of the camshaft 208. Both ends of the camshaft 208 are rotatably connected to the first bearing seat 210. The bottom end of the first bearing seat 210 is fixedly connected to the adjusting block 203. A docking frame 211 is fixedly connected to both sides of the adjusting block 203. The docking frame 211 is fixedly connected to the support plate 107.

[0036] Specifically, when adjusting the distance between the side plates 108, the pull plate 209 on the camshaft 208 is pulled to both sides, so that a gap is created between the camshaft 208 and the arc groove 207 on the pressure plate 206, thereby loosening the pressure plate 206 and the positioning plate 201. Then, the handle 110 on the side plate 108 is pushed to adjust the distance between the side plates 108. When using precast building materials, the pull plate 209 is pulled upward, so that the surface of the camshaft 208 is tightly attached to the inner wall of the arc groove 207, thereby making it easier for the pressure plate 206 to clamp the surface of the positioning plate 201 and fix the position of the side plate 108.

[0037] In one embodiment of this invention, the loading assembly includes a pair of docking blocks 3 fixedly mounted on a side plate 108. A support plate 301 is fixedly connected to the other end of each pair of docking blocks 3. An adjusting plate 302 is fixedly connected to the surface of the support plate 301. A guide groove 303 and several sets of slots 304 are provided on the adjusting plate 302. The guide groove 303 and the slots 304 are interconnected. Side seats 305 are fixedly connected to both ends of the support plate 301. A sliding rod 306 is fixedly connected to the side seat 305. A pulley 307 is slidably connected to the sliding rod 306. The pulley 307 is rotatably connected to a mounting base 308. The mounting base 308 is fixedly connected to a shelf 309. The middle part of the shelf 309... A fixed rod 310 is fixedly connected to the position, and a roller 311 is rotatably connected to the fixed rod 310. A pair of second bearing seats 312 are fixedly connected to the inner side of the shelf 309. An adjusting rod 313 is rotatably connected between the pair of second bearing seats 312. A sleeve 314 is fixedly connected to the middle position of the adjusting rod 313. A locking rod 315 is fixedly connected to the sleeve 314. The locking rod 315 is locked inside one of the locking slots 304. An extension rod 316 is fixedly connected to one end of the adjusting rod 313. An adjusting head 317 is fixedly connected to the other end of the extension rod 316. A first spring 318 is sleeved on the extension rod 316. The two ends of the first spring 318 are fixedly connected to one side of the second bearing seat 312 and one side of the adjusting head 317, respectively.

[0038] Specifically, when placing prefabricated building materials, the distance between the rollers 311 on the fixing rod 310 is first adjusted, and the adjusting head 317 is rotated clockwise. The rotation of the adjusting head 317 drives the adjusting rod 313 to rotate, which facilitates the locking rod 315 on the sleeve 314 to enter the guide groove 303. Then, the shelf 309 is pushed as a whole. The movement of the shelf 309 facilitates the rolling of the pulley 307 on the surface of the sliding rod 306, thereby increasing the stability of the overall movement of the shelf 309. After moving to the appropriate position, the adjusting head 317 is released, and the elastic force of the first spring 318 causes the locking rod 315 to be re-locked in the corresponding slot 304, which facilitates the adjustment of the distance between the rollers 311 on the fixing rod 310 and the placement of prefabricated building materials.

[0039] In one embodiment of this invention, the adjustment assembly includes a servo motor 4 fixedly mounted on the outside of the side plate 108. A transmission rod 401 is fixedly connected to the output end of the servo motor 4. A first pulley 402 is fixedly connected to the other end of the transmission rod 401. A transmission belt 403 is sleeved on the first pulley 402. The middle portion of the transmission belt 403 is sleeved on a guide wheel 404. The guide wheel 404 is rotatably connected to a shaft pin 405. One end of the shaft pin 405 is fixedly connected to a sleeve block 406. A pair of sleeve blocks 406 are provided. The sleeve blocks 406 are slidably connected to a limiting rod 407. A second spring 408 is sleeved on the limiting rod 407. The two ends of the second spring 408 are attached to the pair of sleeve blocks 406. The two ends of the second spring 408 are fixedly connected to a third bearing seat 409. The third bearing seat 409 is fixedly connected to the side plate 108. A driven block 410 is fixedly connected to the pair of second springs 408. The driven block 410 is slidably connected to the slide plate 411. Both ends of the slide plate 411 are fixedly connected to the third shaft seat 409. The bottom end of the transmission belt 403 is sleeved on the second pulley 5. The second pulley 5 is fixedly connected to the main shaft 501. A collar 502 is sleeved on the main shaft 501. A telescopic cylinder 503 is fixedly connected to the surface of the collar 502. The bottom end of the telescopic cylinder 503 is fixedly connected to the limit seat 504. The limit seat 504 is fixedly connected to the side plate 108. A limit plate 505 is sleeved on the main shaft 501. Both ends of the limit plate 505 are fixedly connected to the sleeve seat 506. The sleeve seat 506 is slidably connected to the guide rod 507. Both ends of the guide rod 507 are fixedly connected to the connecting frame 508. The connecting frame 508 is fixedly installed on the side plate 108. One end of the main shaft 501 extends to the other side of the side plate 108 through the through groove 112. The other end of the main shaft 501 is fixedly connected to the rubber wheel 509.

[0040] Specifically, when the precast building material is placed on the roller 311, the telescopic cylinder 503 retracts, causing the main shaft 501 to move downwards. The second spring 408 slides on the limit rod 407 to prevent the transmission belt 403 from falling off. The movement of the main shaft 501 facilitates the sliding of the sleeve 506 on the limit plate 505 on the guide rod 507, increasing the stability of the main shaft 501's movement. The movement of the main shaft 501 facilitates the rubber wheel 509 to adhere to the top surface of the precast building material. When correcting its position, the servo motor 4 operates to rotate the first pulley 402 on the transmission rod 401. The rotation of the first pulley 402 drives the second pulley 5 to rotate through the transmission belt 403, thereby facilitating the rotation of the main shaft 501 on the second pulley 5. The rotation of the main shaft 501 facilitates the rubber wheel 509 to correct the position of the precast building material, making it convenient for the measuring ruler 104 to perform measurement work.

[0041] The working principle of this invention is as follows: When adjusting the distance between the side plates 108, the pull plate 209 on the camshaft 208 is pulled to both sides, which facilitates the creation of a gap between the camshaft 208 and the arc groove 207 on the pressure plate 206, thereby loosening the pressure plate 206 and the positioning plate 201. Then, the handle 110 on the side plate 108 is pushed to adjust the distance between the side plates 108 for use with prefabricated building materials. Then, the pull plate 209 is pulled upward, which facilitates the surface of the camshaft 208 to fit tightly against the inner wall of the arc groove 207, thereby facilitating the pressure plate 206 to clamp the surface of the positioning plate 201 and fix the position of the side plate 108.

[0042] When placing prefabricated building materials, firstly, the distance between the rollers 311 on the fixing rod 310 is adjusted, and the adjusting head 317 is rotated clockwise. The rotation of the adjusting head 317 drives the adjusting rod 313 to rotate, which facilitates the locking rod 315 on the sleeve 314 to enter the interior of the guide groove 303. Then, the shelf 309 is pushed as a whole. The movement of the shelf 309 facilitates the rolling of the pulley 307 on the surface of the sliding rod 306, thereby increasing the stability of the overall movement of the shelf 309. After moving to the appropriate position, the adjusting head 317 is released, and the elastic force of the first spring 318 causes the locking rod 315 to be re-locked in the corresponding locking groove 304, which facilitates the adjustment of the distance between the rollers 311 on the fixing rod 310 and the placement of prefabricated building materials.

[0043] When the precast building material is placed on the roller 311, the telescopic cylinder 503 retracts, causing the main shaft 501 to move downwards. The second spring 408 slides on the limit rod 407 to prevent the transmission belt 403 from falling off. The movement of the main shaft 501 facilitates the sliding of the sleeve 506 on the limit plate 505 on the guide rod 507, increasing the stability of the main shaft 501's movement. The movement of the main shaft 501 facilitates the rubber wheel 509 to adhere to the top surface of the precast building material. When correcting its position, the servo motor 4 operates to rotate the first pulley 402 on the transmission rod 401. The rotation of the first pulley 402 drives the second pulley 5 to rotate through the transmission belt 403, thereby facilitating the rotation of the main shaft 501 on the second pulley 5. The rotation of the main shaft 501 facilitates the rubber wheel 509 to correct the position of the precast building material, making it convenient for the measuring ruler 104 to perform measurement work.

[0044] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A prefabricated building material measuring device, comprising a base plate (1), characterized in that, The base plate (1) has mounting holes (101) at its four corners. A support base (102) is fixedly connected to the middle of the base plate (1). A hinge base (103) is fixedly connected to the top of the support base (102). A measuring ruler (104) is rotatably connected to the hinge base (103). A pair of slide rails (105) are fixedly connected to the top of the base plate (1). A slider (106) is slidably connected to the pair of slide rails (105). The slider (106) is fixedly connected to the bottom of the support plate (107). A side plate (108) is fixedly installed on the support plate (107). A control panel (109) is fixedly installed on the surface of the side plate (108). A handle (110) is fixedly connected to the top of the side of the side plate (108). A through groove (112) is opened in the middle of the side plate (108). It also includes a limiting component, a loading component and an adjusting component. The limiting component is located in the middle of the base plate (1) to adjust the distance between the pallets (107). The loading component is located on the inner side of the side plate (108) to place the prefabricated building materials. The adjusting component is located on the outer side of the side plate (108) to adjust the position of the prefabricated building materials.

2. The prefabricated building material measuring device according to claim 1, characterized in that: The limiting component includes a pair of fixed seats (2) fixedly installed in the middle of the base plate (1), a positioning plate (201) fixedly connected between the pair of fixed seats (2), an adjusting block (203) provided on the positioning plate (201), a sliding groove (204) provided on the adjusting block (203), a movable block (205) slidably connected inside the sliding groove (204), the movable block (205) fixedly connected on the pressure plate (206), the pressure plate (206) is located inside the adjusting block (203), and an arc groove (207) is provided at the top of the pressure plate (206).

3. The prefabricated building material measuring device according to claim 2, characterized in that: A camshaft (208) is fitted inside the arc-shaped groove (207). A pull plate (209) is fixedly connected to the surface of the camshaft (208). Both ends of the camshaft (208) are rotatably connected to the first bearing seat (210). The bottom end of the first bearing seat (210) is fixedly connected to the adjusting block (203). A docking frame (211) is fixedly connected to both sides of the adjusting block (203). The docking frame (211) is fixedly connected to the support plate (107).

4. The prefabricated building material measuring device according to claim 1, characterized in that: The loading assembly includes a pair of docking blocks (3) fixedly installed on the side plate (108). The other end of the pair of docking blocks (3) is fixedly connected to a support plate (301). An adjustment plate (302) is fixedly connected to the surface of the support plate (301). A guide groove (303) is provided on the adjustment plate (302). Several sets of slots (304) are provided on the adjustment plate (302). The guide groove (303) and the slots (304) are interconnected.

5. The prefabricated building material measuring device according to claim 4, characterized in that: The support plate (301) is fixedly connected to two side seats (305) at both ends. A slide rod (306) is fixedly connected to the side seat (305). A pulley (307) is slidably connected to the slide rod (306). The pulley (307) is rotatably connected to the mounting base (308). The mounting base (308) is fixedly connected to the shelf (309). A fixing rod (310) is fixedly connected to the middle position of the shelf (309). A roller (311) is rotatably connected to the fixing rod (310).

6. The prefabricated building material measuring device according to claim 5, characterized in that: A pair of second bearing seats (312) are fixedly connected to the inner side of the shelf (309). An adjusting rod (313) is rotatably connected between the pair of second bearing seats (312). A sleeve (314) is fixedly connected to the middle position of the adjusting rod (313). A locking rod (315) is fixedly connected to the sleeve (314). The locking rod (315) is locked inside one of the locking slots (304). An extension rod (316) is fixedly connected to one end of the adjusting rod (313). An adjusting head (317) is fixedly connected to the other end of the extension rod (316). A first spring (318) is sleeved on the extension rod (316). The two ends of the first spring (318) are fixedly connected to one side of the second bearing seat (312) and one side of the adjusting head (317), respectively.

7. The prefabricated building material measuring device according to claim 1, characterized in that: The adjustment assembly includes a servo motor (4) fixedly installed on the outside of the side plate (108). The output end of the servo motor (4) is fixedly connected to a transmission rod (401). The other end of the transmission rod (401) is fixedly connected to a first pulley (402). A transmission belt (403) is sleeved on the first pulley (402). The middle position of the transmission belt (403) is sleeved on a guide wheel (404). The guide wheel (404) is rotatably connected to a shaft pin (405). One end of the shaft pin (405) is fixedly connected to a sleeve block (406).

8. A prefabricated building material measuring device according to claim 7, characterized in that: A pair of sleeve blocks (406) are provided. The sleeve blocks (406) are slidably connected to the limiting rod (407). A second spring (408) is sleeved on the limiting rod (407). The two ends of the second spring (408) are attached to the pair of sleeve blocks (406). The two ends of the second spring (408) are fixedly connected to the third shaft seat (409). The third shaft seat (409) is fixedly connected to the side plate (108). A driven block (410) is fixedly connected to the pair of second springs (408). The driven block (410) is slidably connected to the slide plate (411). The two ends of the slide plate (411) are fixedly connected to the third shaft seat (409).

9. A prefabricated building material measuring device according to claim 8, characterized in that: The bottom end of the transmission belt (403) is sleeved on the second pulley (5), the second pulley (5) is fixedly connected to the main shaft (501), the main shaft (501) is sleeved with a collar (502), the surface of the collar (502) is fixedly connected with a telescopic cylinder (503), the bottom end of the telescopic cylinder (503) is fixedly connected to a limiting seat (504), and the limiting seat (504) is fixedly connected to the side plate (108).

10. A prefabricated building material measuring device according to claim 9, characterized in that: A limiting plate (505) is sleeved on the main shaft (501). A sleeve (506) is fixedly connected to both ends of the limiting plate (505). The sleeve (506) is slidably connected to the guide rod (507). Both ends of the guide rod (507) are fixedly connected to the connecting frame (508). The connecting frame (508) is fixedly installed on the side plate (108). One end of the main shaft (501) extends to the other side of the side plate (108) through the through groove (112). A rubber wheel (509) is fixedly connected to the other end of the main shaft (501).

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