High-precision detection device for building materials

Abstract

The invention discloses a building material high-precision detection device, and relates to the technical field of detection devices.The building material high-precision detection device comprises a device body, a control panel is fixedly installed on the surface of the device body, a detection table is fixedly connected to the top face of the device body, and a plurality of sets of rotating rollers are rotationally connected to the detection table; a mounting frame is fixedly mounted on one side of the top face of the device body, brackets are fixedly connected to the two sides of the mounting frame, a pair of fixing rods are fixedly connected to the brackets, and a sliding plate is slidably connected between the pair of fixing rods. The building material conveying device is reasonable in structure, building materials can be conveniently conveyed to the bottom position of the mounting frame for detection through cooperative use of the feeding assembly and the adjusting assembly, the two sides of the building materials can be positioned through the limiting assembly, and the phenomenon of deviation during conveying is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of detection devices, and in particular to a high-precision detection device for building materials. Background Art

[0002] Buildings refer to artificially constructed assets and fall under the category of fixed assets, including two major categories: houses and structures. Houses refer to engineering buildings for people to live, work, study, produce, operate, entertain, store goods and conduct other social activities. Structures are different from buildings. Structures refer to engineering buildings other than houses, such as walls, roads, dams, wells, tunnels, water towers, bridges and chimneys.

[0003] Most of the existing testing materials are in the shape of plates, and the surface flatness of the material needs to be tested when used. Most tests are performed using laser sensors, but when feeding the building materials, they are pushed forward manually, which can cause the building materials to shift and affect the subsequent test data. Summary of the invention

[0004] The purpose of the present application is to provide a high-precision detection device for building materials, which realizes that the building materials can be conveyed to the bottom position of the mounting frame for detection through the coordinated use of a feeding component and an adjustment component, and the two sides of the building materials can be positioned through a limit component to avoid deviation during transmission.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a high-precision detection device for building materials, comprising a device body, a control panel fixedly installed on the surface of the device body, a detection platform fixedly connected to the top surface of the device body, a plurality of groups of rotating rods rotatably connected to the detection platform, a mounting frame fixedly installed on one side of the top surface of the device body, a bracket fixedly connected to both sides of the mounting frame, a pair of fixed rods fixedly connected to the bracket, a slide plate slidably connected between the pair of fixed rods, a C-shaped plate fixedly connected to the middle position of the top surface of the slide plate, a threaded rod threadedly connected to the middle position of the top surface of the C-shaped plate, the bottom end of the threaded rod is rotatably connected to the mounting frame, a laser sensor is arranged on one side of the slide plate, and a receiver is arranged on the side opposite to the laser sensor; it also includes a feeding assembly, an adjusting assembly and a limiting assembly, the feeding assembly is arranged on the device body for conveying materials, the adjusting assembly is arranged on the feeding assembly for use in conjunction with it, and the limiting assembly is arranged in the middle position of the device body for use in conjunction with the rotating rod.

[0006] Preferably, the feeding assembly includes a pair of side plates fixedly mounted on the other side of the top surface of the device body, a top plate fixedly connected between the top ends of the pair of side plates, a driving motor fixedly mounted at the middle position of the top surface of the top plate, a transmission rod fixedly connected to the output end of the driving motor, a first shaft seat is sleeved on the transmission rod, a bottom surface of the first shaft seat is fixedly connected to the top plate, and one end of the transmission rod is fixedly connected to a first pulley.

[0007] Preferably, a transmission belt is sleeved on the first pulley, the bottom end of the transmission belt is sleeved on the second pulley, the second pulley is fixedly connected to a rotating rod, a driving roller is fixedly installed on the rotating rod, and both ends of the rotating rod are rotatably connected to a fixed seat.

[0008] Preferably, a pair of push plates are rotatably connected to the top surface of the fixed seat, and the other ends of the pair of push plates are rotatably connected to an articulated seat, and the articulated seat is fixedly connected to the bottom position of the sliding sleeve.

[0009] Preferably, the sliding sleeve is slidably connected to the sliding rod, both ends of the sliding rod are fixedly connected to the ring, the top of the ring is fixedly connected to the bottom surface of the top plate, the sliding rod is fixedly connected to the ring, the sliding rod is sleeved with a first spring, and both ends of the first spring are respectively fixedly connected to one side of the ring and one side of the sliding sleeve.

[0010] Preferably, the adjustment assembly includes a positioning rod fixedly connected to the middle position of the fixing seat, one end of the positioning rod is rotatably connected to a pull plate, the top of the pull plate is fixedly connected to a handle, a plurality of groups of card slots are opened on the pull plate, one of the card slots is internally provided with a card column, and one end of the card column is fixedly connected to the top plate.

[0011] Preferably, a pair of second axle seats are fixedly connected on both sides of the side plate, a cross bar is fixedly connected between the pair of second axle seats, a ring is fixedly connected to the middle position of the cross bar, a driven block is slidably connected to the cross bar, a second spring is sleeved on the cross bar, and two ends of the second spring are respectively fixedly connected to one side of the driven block and one side of the ring.

[0012] Preferably, an inner surface of the driven block is fixedly connected with an axle pin, a third pulley is rotatably connected to the axle pin, and the third pulley is attached to the inner wall of the middle portion of the transmission belt.

[0013] Preferably, the limit assembly includes a bracket fixedly mounted in the middle of the bottom surface of the top plate, the bracket is fixedly connected to a limit rod, the limit rod is slidably connected to a slide seat, the slide seat is fixedly connected to the bottom surface of the adjustment plate, the adjustment plate is provided with a slide groove, the inside of the slide groove is slidably connected to a pulley, the pulley is rotatably connected to the arm plate, one end of the arm plate is rotatably connected to a pressure roller, the other end of the arm plate is fixedly connected to a side rod, the side rod is fixedly connected to a gear, the bottom end of the side rod is rotatably connected to the bottom plate, and the bottom plate is fixedly mounted on the device body.

[0014] Preferably, a toothed plate is meshed on the gear, a middle position of one side of the toothed plate is fixedly connected to a limit seat, the limit seat is slidably connected to the guide rod, both ends of the guide rod are fixedly connected to the third shaft seat, the bottom end of the third shaft seat is fixedly connected to the bottom plate, a third spring is sleeved on the guide rod, and both ends of the third spring are respectively fixedly connected to one side of the limit seat and one side of the third shaft seat.

[0015] In summary, the present invention has the following beneficial effects: 1. The present invention has a reasonable structure. The plate-like building material is placed on the rotating rod so that the driving roller on the rotating rod is attached to the surface of the plate-like building material. Then, the control panel is operated to operate the driving motor. The output end of the driving motor is fixedly connected with a transmission rod. The transmission rod is rotated by the operation of the driving motor. A first pulley is fixedly connected to one end of the transmission rod. The first pulley is rotated by the rotation of the transmission rod. A transmission belt is sleeved on the first pulley, and the bottom end of the transmission belt is sleeved on the second pulley. The rotation of the first pulley drives the second pulley to rotate through the transmission belt, thereby facilitating the rotation of the rotating rod on the second pulley, so that the driving roller transports the plate-like building material. 2. In the present invention, when the driving roller is attached to the surface of the plate-like building material, the handle on the pull plate is pulled, and the pull plate is rotated on the positioning rod by pulling the handle. A plurality of card slots are provided on the pull plate, and a card column is provided inside one of the card slots. The card slot is separated from the card column by rotating the pull plate, and then the sliding sleeve is moved by the elastic force of the first spring. The movement of the sliding sleeve pushes the fixed seat downward through the push plate, and the driven block is also moved by the elastic force of the second spring as the fixed seat is pushed, so that the third pulley is always attached to the transmission belt, and the transmission belt is prevented from falling off. 3. In the present invention, when the rotating roller transports the plate-like building materials, the adjusting plate is first pulled to make the pulley slide inside the slide groove so that the arm plate drives the side rod to rotate. The rotation of the side rod drives the gear plate to move, so that the limit seat can squeeze the third spring. The movement of the arm plate causes the pressure roller to open, and then the adjusting plate is released. The elastic force of the third spring makes the pressure roller fit against the side of the plate-like building material, and its position is positioned to avoid deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body; Figure 2 It is a schematic diagram of the three-dimensional structure of the device body from a side view; Figure 3 It is a schematic diagram of the three-dimensional structure of the mounting frame; Figure 4 It is a schematic diagram of the three-dimensional structure of the top plate; Figure 5 This is a schematic diagram of the three-dimensional structure of the top plate when viewed from above; Figure 6 is a schematic diagram of the three-dimensional structure of the second axle seat; Figure 7 It is a schematic diagram of the three-dimensional structure of the adjustment plate; Figure 8 It is a schematic diagram of the three-dimensional structure of the base plate.

[0018] In the figure: 1. device body; 101. control panel; 102. test table; 103. rotating rod; 104. mounting frame; 105. bracket; 106. fixed rod; 107. slide plate; 108. C-type plate; 109. threaded rod; 110. laser sensor; 112. receiver; 2. side plate; 201. top plate; 202. drive motor; 203. transmission rod; 204. first shaft seat; 205. first pulley; 206. transmission belt; 207. second pulley; 208. rotating rod; 209. driving roller; 210. fixed seat; 211. push plate; 212. hinge seat; 213. sliding sleeve; 214. sliding rod; 215. Ring; 216, first spring; 3, positioning rod; 301, pull plate; 302, handle; 303, slot; 304, clamping column; 305, second shaft seat; 306, cross bar; 307, collar; 308, driven block; 309, second spring; 310, shaft pin; 311, third pulley; 4, bracket; 401, limit rod; 402, slide seat; 403, adjustment plate; 404, slide slot; 405, pulley; 406, arm plate; 407, pressure roller; 408, side rod; 409, gear; 410, bottom plate; 411, tooth plate; 412, limit seat; 413, guide rod; 414, third shaft seat; 415, third spring. DETAILED DESCRIPTION

[0019] 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.

[0020] Example: Reference Figure 1 - Figure 8The high-precision detection device for building materials shown in the figure comprises a device body 1, a control panel 101 is fixedly installed on the surface of the device body 1, a detection platform 102 is fixedly connected to the top surface of the device body 1, and a plurality of groups of rotating rods 103 are rotatably connected to the detection platform 102, a mounting frame 104 is fixedly installed on one side of the top surface of the device body 1, and brackets 105 are fixedly connected to both sides of the mounting frame 104, a pair of fixed rods 106 are fixedly connected to the brackets 105, a slide plate 107 is slidably connected between the pair of fixed rods 106, and a slide plate 107 is fixedly connected to the middle position of the top surface of the slide plate 107. A C-shaped plate 108, a threaded rod 109 is threadedly connected to the middle position of the top surface of the C-shaped plate 108, the bottom end of the threaded rod 109 is rotatably connected to the mounting frame 104, a laser sensor 110 is arranged on one side of the slide plate 107, and a receiver 112 is arranged on the side opposite to the laser sensor 110; it also includes a feeding component, an adjusting component and a limiting component, the feeding component is arranged on the device body 1 for conveying materials, the adjusting component is arranged on the feeding component for use, and the limiting component is arranged in the middle position of the device body 1 for use with the rotating rod 103.

[0021] Specifically, it should be noted that the control panel 101 and the drive motor 202 are electrically connected via wires, and the specific working principles therebetween are referenced by the prior art and will not be elaborated on herein. In addition, the method for detecting the flatness of the surface of building materials by using the laser sensor 110 and the receiver 112 in cooperation is also referenced by the prior art.

[0022] As an implementation method in this embodiment, the feeding assembly includes a pair of side plates 2 fixedly installed on the other side of the top surface of the device body 1, a top plate 201 is fixedly connected between the top ends of the pair of side plates 2, a driving motor 202 is fixedly installed at the middle position of the top surface of the top plate 201, a transmission rod 203 is fixedly connected to the output end of the driving motor 202, a first shaft seat 204 is sleeved on the transmission rod 203, the bottom surface of the first shaft seat 204 is fixedly connected to the top plate 201, one end of the transmission rod 203 is fixedly connected to a first pulley 205, a transmission belt 206 is sleeved on the first pulley 205, and the transmission belt 206 The bottom end is sleeved on the second pulley 207, the second pulley 207 is fixedly connected to the rotating rod 208, and the driving roller 209 is fixedly installed on the rotating rod 208. The two ends of the rotating rod 208 are rotatably connected to the fixed seat 210, and the top surface of the fixed seat 210 is rotatably connected to a pair of push plates 211, and the other ends of the pair of push plates 211 are rotatably connected to the hinge seat 212, and the hinge seat 212 is fixedly connected to the bottom position of the sliding sleeve 213, and the sliding sleeve 213 is slidably connected to the sliding rod 214, and the two ends of the sliding rod 214 are fixedly connected to the ring 215, and the top of the ring 215 is fixedly connected to the bottom surface of the top plate 201, and the sliding rod 214 is fixedly connected with the ring 215, and the sliding rod 214 is sleeved with a first spring 216, and the two ends of the first spring 216 are respectively fixedly connected to one side of the ring 215 and one side of the sliding sleeve 213.

[0023] Specifically, the plate-like building material is placed on the rotating rod 103 so that the driving roller 209 on the rotating rod 208 is in contact with the surface of the plate-like building material, and then the control panel 101 is operated to operate the driving motor 202. The output end of the driving motor 202 is fixedly connected to the transmission rod 203, and the transmission rod 203 is rotated by the operation of the driving motor 202. A first pulley 205 is fixedly connected to one end of the transmission rod 203, and the first pulley 205 is rotated by the rotation of the transmission rod 203. A transmission belt 206 is sleeved on the first pulley 205, and the bottom end of the transmission belt 206 is sleeved on the second pulley 207. The rotation of the first pulley 205 drives the second pulley 207 to rotate through the transmission belt 206, thereby facilitating the rotation of the rotating rod 208 on the second pulley 207, so that the driving roller 209 transports the plate-like building material.

[0024] As an implementation method in this embodiment, the adjustment component includes a positioning rod 3 fixedly connected to the middle position of the fixed seat 210, one end of the positioning rod 3 is rotatably connected to a pull plate 301, the top of the pull plate 301 is fixedly connected to a handle 302, and a plurality of groups of card slots 303 are opened on the pull plate 301, and a card column 304 is provided inside one of the card slots 303, and one end of the card column 304 is fixedly connected to the top plate 201, and a pair of second shaft seats 305 are fixedly connected to both sides of the side plate 2. A cross bar 306 is fixedly connected in between, a ring 307 is fixedly connected to the middle position of the cross bar 306, a driven block 308 is slidably connected to the cross bar 306, a second spring 309 is sleeved on the cross bar 306, two ends of the second spring 309 are respectively fixedly connected to one side of the driven block 308 and one side of the ring 307, an inner surface of the driven block 308 is fixedly connected to an axle pin 310, a third pulley 311 is rotatably connected to the axle pin 310, and the third pulley 311 is attached to the inner wall of the middle part of the transmission belt 206.

[0025] Specifically, when the driving roller 209 is attached to the surface of the plate-like building material, the handle 302 on the pull plate 301 is pulled, and the pull plate 301 is rotated on the positioning rod 3 by pulling the handle 302. A plurality of groups of slots 303 are provided on the pull plate 301, and a post 304 is provided inside one of the slots 303. The slots 303 are disengaged from the post 304 by rotating the pull plate 301, and then the sleeve 213 is moved by the elastic force of the first spring 216. The movement of the sleeve 213 pushes the fixed seat 210 downward through the push plate 211. As the fixed seat 210 pushes, the driven block 308 is also moved by the elastic force of the second spring 309, so that the third pulley 311 is always attached to the transmission belt 206 to prevent the transmission belt 206 from falling off.

[0026] As an implementation method in this embodiment, the limiting assembly includes a bracket 4 fixedly installed in the middle of the bottom surface of the top plate 201, a limiting rod 401 is fixedly connected to the bracket 4, a slide seat 402 is slidably connected to the limiting rod 401, the slide seat 402 is fixedly connected to the bottom surface of the adjustment plate 403, a slide groove 404 is provided on the adjustment plate 403, a pulley 405 is slidably connected inside the slide groove 404, the pulley 405 is rotatably connected to the arm plate 406, one end of the arm plate 406 is rotatably connected to the pressure roller 407, the other end of the arm plate 406 is fixedly connected to the side rod 408, and the side rod 408 is fixedly connected to a gear. Wheel 409, the bottom end of the side rod 408 is rotatably connected to the bottom plate 410, the bottom plate 410 is fixedly installed on the device body 1, the gear 409 is meshed with a tooth plate 411, the middle position of one side of the tooth plate 411 is fixedly connected to a limit seat 412, the limit seat 412 is slidably connected to the guide rod 413, both ends of the guide rod 413 are fixedly connected to the third shaft seat 414, the bottom end of the third shaft seat 414 is fixedly connected to the bottom plate 410, and a third spring 415 is sleeved on the guide rod 413, and both ends of the third spring 415 are fixedly connected to one side of the limit seat 412 and one side of the third shaft seat 414 respectively.

[0027] Specifically, when the rotating rod 103 transports the plate-like building materials, the adjusting plate 403 is first pulled to make the pulley 405 slide inside the slide groove 404, so that the arm plate 406 drives the side rod 408 to rotate, and the rotation of the side rod 408 causes the gear 409 to drive the tooth plate 411 to move, so that the limiting seat 412 can squeeze the third spring 415, and the movement of the arm plate 406 causes the pressure roller 407 to open, and then the adjusting plate 403 is released, and the elastic force of the third spring 415 makes the pressure roller 407 fit against the side of the plate-like building material, and its position is positioned to avoid deviation.

[0028] The working principle of the present invention is as follows: a plate-like building material is placed on a rotating rod 103, so that a driving roller 209 on a rotating rod 208 is attached to the surface of the plate-like building material, and then the control panel 101 is operated to operate the driving motor 202, the output end of the driving motor 202 is fixedly connected with a transmission rod 203, and the transmission rod 203 is rotated by the operation of the driving motor 202, a first pulley 205 is fixedly connected to one end of the transmission rod 203, and the first pulley 205 is rotated by the rotation of the transmission rod 203, a transmission belt 206 is sleeved on the first pulley 205, and the bottom end of the transmission belt 206 is sleeved on the second pulley 207, and the rotation of the first pulley 205 drives the second pulley 207 to rotate through the transmission belt 206, so that the rotating rod 208 on the second pulley 207 is rotated, so that the driving roller 209 conveys the plate-like building material; When the driving roller 209 is attached to the surface of the plate-like building material, the handle 302 on the pull plate 301 is pulled, and the pull plate 301 is rotated on the positioning rod 3 by pulling the handle 302. A plurality of slots 303 are provided on the pull plate 301, and a post 304 is provided inside one of the slots 303. The slots 303 are separated from the post 304 by the rotation of the pull plate 301, and then the sliding sleeve 213 is moved by the elastic force of the first spring 216. The movement of the sliding sleeve 213 pushes the fixed seat 210 downward through the push plate 211. With the push of the fixed seat 210, the driven block 308 is also moved by the elastic force of the second spring 309, so that the third pulley 311 is always attached to the transmission belt 206 to prevent the transmission belt 206 from falling off. When the rotating rod 103 transports the plate-like building materials, the adjusting plate 403 is first pulled to make the pulley 405 slide inside the slide groove 404, so that the arm plate 406 drives the side rod 408 to rotate, and the rotation of the side rod 408 causes the gear 409 to drive the tooth plate 411 to move, so that the limiting seat 412 can squeeze the third spring 415, and the movement of the arm plate 406 causes the pressure roller 407 to open, and then the adjusting plate 403 is released, and the elastic force of the third spring 415 makes the pressure roller 407 fit against the side of the plate-like building material, and its position is positioned to avoid deviation.

[0029] Finally, it should be noted that the above are only 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 aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision building material detection device, comprising a device body (1), characterized in that: A control panel (101) is fixedly mounted on the surface of the device body (1); a detection platform (102) is fixedly connected to the top surface of the device body (1); a plurality of groups of rotating rods (103) are rotatably connected to the detection platform (102); a mounting frame (104) is fixedly mounted on one side of the top surface of the device body (1); brackets (105) are fixedly connected to both sides of the mounting frame (104); a pair of fixed rods (106) are fixedly connected to the brackets (105); a slide plate (107) is slidably connected between the pair of fixed rods (106); a C-shaped plate (108) is fixedly connected to the middle of the top surface of the slide plate (107); a threaded rod (109) is threadedly connected to the middle of the top surface of the C-shaped plate (108); the bottom end of the threaded rod (109) is rotatably connected to the mounting frame (104); a laser sensor (110) is arranged on one side of the slide plate (107); and a receiver (112) is arranged on the side opposite to the laser sensor (110); It also comprises a feeding component, an adjusting component and a limiting component, wherein the feeding component is arranged on the device body (1) for conveying materials, the adjusting component is arranged on the feeding component for use in conjunction with the device, and the limiting component is arranged at the middle of the device body (1) for use in conjunction with the rotating roller (103).

2. A high-precision building material detection device according to claim 1, characterized in that: The feeding assembly comprises a pair of side plates (2) fixedly mounted on the other side of the top surface of the device body (1); a top plate (201) is fixedly connected between the top ends of the pair of side plates (2); a driving motor (202) is fixedly mounted at the middle of the top surface of the top plate (201); an output end of the driving motor (202) is fixedly connected to a transmission rod (203); a first shaft seat (204) is sleeved on the transmission rod (203); a bottom surface of the first shaft seat (204) is fixedly connected to the top plate (201); and one end of the transmission rod (203) is fixedly connected to a first pulley (205).

3. A high-precision building material detection device according to claim 2, characterized in that: A transmission belt (206) is sleeved on the first pulley (205), the bottom end of the transmission belt (206) is sleeved on the second pulley (207), the second pulley (207) is fixedly connected to a rotating rod (208), a driving roller (209) is fixedly installed on the rotating rod (208), and both ends of the rotating rod (208) are rotatably connected to a fixed seat (210).

4. A high-precision building material detection device according to claim 3, characterized in that: A pair of push plates (211) are rotatably connected to the top surface of the fixed seat (210), and the other ends of the pair of push plates (211) are rotatably connected to a hinge seat (212), and the hinge seat (212) is fixedly connected to the bottom position of the sliding sleeve (213).

5. A high-precision building material detection device according to claim 4, characterized in that: The sliding sleeve (213) is slidably connected to the sliding rod (214), the two ends of the sliding rod (214) are fixedly connected to the circular ring (215), the top end of the circular ring (215) is fixedly connected to the bottom surface of the top plate (201), the sliding rod (214) is fixedly connected to the circular ring (215), the sliding rod (214) is sleeved with a first spring (216), and the two ends of the first spring (216) are respectively fixedly connected to one side of the circular ring (215) and one side of the sliding sleeve (213).

6. A high-precision building material detection device according to claim 3, characterized in that: The adjustment assembly comprises a positioning rod (3) fixedly connected to the middle position of the fixing seat (210), one end of the positioning rod (3) being rotatably connected to a pull plate (301), the top end of the pull plate (301) being fixedly connected to a handle (302), a plurality of groups of slots (303) being provided on the pull plate (301), a locking column (304) being provided inside one of the slots (303), one end of the locking column (304) being fixedly connected to the top plate (201).

7. A high-precision building material detection device according to claim 6, characterized in that: A pair of second shaft seats (305) are fixedly connected to both sides of the side plate (2); a cross bar (306) is fixedly connected between the pair of second shaft seats (305); a collar (307) is fixedly connected to the middle of the cross bar (306); a driven block (308) is slidably connected to the cross bar (306); a second spring (309) is sleeved on the cross bar (306); two ends of the second spring (309) are respectively fixedly connected to one side of the driven block (308) and one side of the collar (307).

8. A high-precision building material detection device according to claim 7, characterized in that: The inner surface of the driven block (308) is fixedly connected to a shaft pin (310), and a third belt pulley (311) is rotatably connected to the shaft pin (310), and the third belt pulley (311) is attached to the inner wall of the middle portion of the transmission belt (206).

9. A high-precision building material detection device according to claim 2, characterized in that: The limit assembly comprises a bracket (4) fixedly mounted on the middle part of the bottom surface of the top plate (201); a limit rod (401) is fixedly connected to the bracket (4); a slide seat (402) is slidably connected to the limit rod (401); the slide seat (402) is fixedly connected to the bottom surface of the adjustment plate (403); a slide groove (404) is provided on the adjustment plate (403); a pulley (405) is slidably connected inside the slide groove (404); the pulley (405) is rotatably connected to an arm plate (406); one end of the arm plate (406) is rotatably connected to a pressure roller (407); the other end of the arm plate (406) is fixedly connected to a side rod (408); a gear (409) is fixedly connected to the side rod (408); the bottom end of the side rod (408) is rotatably connected to a bottom plate (410); and the bottom plate (410) is fixedly mounted on the device body (1).

10. A high-precision building material detection device according to claim 9, characterized in that: The gear (409) is meshed with a toothed plate (411), a middle portion of one side of the toothed plate (411) is fixedly connected to a limit seat (412), the limit seat (412) is slidably connected to a guide rod (413), both ends of the guide rod (413) are fixedly connected to a third shaft seat (414), the bottom end of the third shaft seat (414) is fixedly connected to the bottom plate (410), a third spring (415) is sleeved on the guide rod (413), and both ends of the third spring (415) are respectively fixedly connected to one side of the limit seat (412) and one side of the third shaft seat (414).

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