A flatness detection device for building construction
By using an electric sliding rail to drive the detection wheel to fully contact the road surface and sweep away floating dust, combined with the real-time data collection by the tilt sensor, the problem of detection accuracy under the interference of floating dust in existing equipment is solved, and high-precision flatness and slope detection is achieved at the construction site.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-02
- Publication Date
- 2026-06-19
AI Technical Summary
Existing construction flatness testing equipment suffers from reduced accuracy and reliability due to interference from floating dust and particulate matter, and cannot achieve precise testing of a specific location or point.
The detection component, driven by an electric slide rail, makes full contact between the detection wheel and the road surface. A fan sweeps away the floating dust, and combined with the sensing component, it collects tilt data in real time to achieve continuous flatness detection.
It improves the stability of data acquisition and the accuracy of test results, enhances the comprehensiveness of flatness and slope detection, and avoids errors caused by dust and particulate matter interference.
Smart Images

Figure CN122236013A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to building construction inspection technology, specifically a flatness testing device for building construction. Background Technology
[0002] On construction sites, ground flatness is a crucial indicator for assessing construction quality. Continuous flatness testing equipment typically includes a testing frame, rollers, sensors, and a data processing unit. The testing frame is usually a metal frame structure that supports the various functional components, and its bottom is equipped with multiple rollers for smooth movement across the construction surface. As the equipment is moved, the rollers swing up and down with the undulations of the ground, and the sensors collect the displacement changes of the rollers in real time, thereby calculating the elevation difference of the ground.
[0003] Existing construction flatness testing equipment has a relatively simple structure. During the flatness testing process at the construction site, it can sometimes only perform a rough flatness test on the ground, and cannot measure the flatness of a certain place or point on the ground. The accuracy of the test results is limited.
[0004] While existing continuous flatness testing devices can avoid the tedious manual point-by-point testing and improve testing efficiency, the presence of dust and particulate matter at construction sites can easily interfere with the contact between the roller and the ground, thereby affecting the data acquisition of the sensor, causing deviations in the test results, and reducing the accuracy and reliability of the test. Summary of the Invention
[0005] This invention provides a flatness testing device for building construction. During the testing process, it can make full contact with the road surface to achieve continuous flatness testing. At the same time, it can clean up floating dust and impurities on the ground, improve the stability of data acquisition, and solve the problem of limited accuracy and reliability of existing testing technologies.
[0006] The technical solution adopted in the embodiments of the present invention is as follows: a flatness detection device for building construction, comprising a first fixed frame, a second fixed frame, a controller and a flatness detection mechanism, wherein the first fixed frame and the second fixed frame are connected;
[0007] The leveling detection mechanism includes a placement frame, a detection component, and a sensing component. The placement frame is fixedly installed on the second fixed frame, the detection component is located at the bottom of the second fixed frame, and the sensing component is located at the bottom of the first fixed frame. The controller is connected to the detection component and the sensing component respectively.
[0008] The detection assembly includes an electric slide rail, a drive frame, and a moving tube. The drive frame includes a drive receiving part arranged horizontally and a drive connecting part arranged vertically. The electric slide rail is fixedly connected to the placement frame, and the output end of the electric slide rail is fixedly connected to the drive connecting part of the drive frame. The moving tube is fixedly connected to the drive receiving part of the drive frame, and a detection wheel is provided at the bottom of the moving tube. Under the control of the controller, the electric slide rail causes the drive frame and the moving tube to reciprocate vertically, and drives the moving tube to reciprocate vertically, so that the detection wheel makes full contact with the construction surface.
[0009] Preferably, the detection assembly further includes a fan fixedly installed at the bottom of the placement frame; a drive receiving part arranged horizontally in the drive frame, one end of which is connected to the moving pipe and the other end of which is fixedly connected to the moving frame; the output end of the fan is fixedly connected to the moving frame through a connecting pipe, and an air guide frame is fixedly connected to the bottom of the moving frame.
[0010] Preferably, the first fixing frame and the second fixing frame are slidably connected; a fixing tube is fixedly connected to the surface of the second fixing frame, the fixing tube is connected to the interior of the second fixing frame, a screw is threaded to one side of the fixing tube, and a clamping block is rotatably connected between the screw and the second fixing frame.
[0011] Preferably, the sensing component includes an electric push rod fixedly installed on one side of the first fixed frame, and an inclined sensor is fixedly connected to the output end of the electric push rod; the output end of the inclined sensor is fixedly connected to a rotating frame, and two contact wheels are fixedly installed on the outer side of the rotating frame.
[0012] Compared with the prior art, the beneficial effects achieved by the present invention include:
[0013] 1. The detection component of the present invention, driven by an electric slide rail, drives the drive frame and the moving tube to move, so that the detection wheel makes full contact with the road surface, realizes continuous flatness detection, and sweeps away floating dust and impurities on the ground during the rolling process, ensuring the stability of data acquisition; the sensing component is located at the bottom of the first fixed frame, and can simultaneously collect the road surface inclination, realize the comprehensive detection of flatness and slope, and improve the comprehensiveness of detection.
[0014] 2. By using the sliding connection structure between the first fixed frame and the second fixed frame, the distance between them can be flexibly adjusted according to construction needs. By rotating the screw, the clamping block can be moved axially, thereby locking and fixing the relative position of the first fixed frame and the second fixed frame.
[0015] 3. By arranging two contact wheels on both sides of the rotating frame and keeping them flush with the bottom of the detection wheel, it is ensured that the contact wheels can roll synchronously with the ground during the movement of the device. This ensures that the data collected by the tilt sensor is consistent with the detection state of the detection wheel, avoiding errors caused by height difference or positional offset, and improving the synchronization of tilt detection and flatness detection. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the main structure in an embodiment of the present invention;
[0017] Figure 2 This is a schematic diagram of the flatness detection mechanism in an embodiment of the present invention;
[0018] Figure 3 This is a schematic diagram of the fan and air guide frame structure in an embodiment of the present invention;
[0019] Figure 4 This is a schematic diagram of the moving frame and air guide frame structure in an embodiment of the present invention;
[0020] Figure 5 This is a schematic diagram of the fixing tube and screw structure in an embodiment of the present invention;
[0021] Figure 6 This is a schematic diagram of the sensing component structure in an embodiment of the present invention.
[0022] Figure label:
[0023] 100. First fixed frame; 110. Second fixed frame; 120. Moving wheel; 200. Controller; 300. Flatness detection mechanism; 310. Placement frame; 320. Detection component; 321. Electric slide rail; 322. Drive frame; 323. Moving tube; 324. Detection rod; 325. Detection wheel; 326. Spring; 327. Flatness detector; 328. Fan; 329. Moving frame; 3210. Air guide frame; 3211. Fixed tube; 3212. Screw; 3213. Clamping block; 330. Sensing component; 331. Electric push rod; 332. Tilt sensor; 333. Rotating frame; 334. Contact wheel. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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, 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.
[0025] Example
[0026] See Figures 1-6The flatness detection device for building construction in this embodiment includes a first fixed frame 100, a second fixed frame 110, a controller 200, and a flatness detection mechanism 300. The controller is located on the top of the first fixed frame, and the first fixed frame and the second fixed frame are slidably connected. Multiple moving wheels 120 are rotatably connected to the bottom of both the first fixed frame and the second fixed frame.
[0027] like Figure 2 The flatness detection mechanism includes a placement frame 310, a detection component 320, and a sensing component 330. The placement frame is fixedly installed on the top of the second fixed frame 110, and the controller 200 is fixedly installed inside the placement frame. The detection component is located at the bottom of the second fixed frame 110, and the sensing component is located at the bottom of the first fixed frame 100. The controller is connected to the detection component and the sensing component respectively.
[0028] The detection component is mainly used to detect the smoothness of the road surface and also functions as a cleaning device. It only comes into contact with the road surface when the device is running, without changing the original measurement method or affecting the device's normal detection accuracy. The sensing component is used to simultaneously collect the road surface tilt data during the detection process. Its installation position is located at the bottom of the first fixed frame, which does not conflict with the main detection path of the detection wheel or sensor, and therefore will not interfere with the original smoothness detection function.
[0029] like Figure 3 , Figure 4 As shown, the detection assembly includes an electric slide rail 321, a drive frame 322, and a moving tube 323. The drive frame 322 is configured with an L-shaped structure, including a drive receiving part arranged in the horizontal direction and a drive connecting part arranged in the vertical direction. The electric slide rail is fixedly connected to the placement frame 310, the output end of the electric slide rail is fixedly connected to the drive connecting part of the drive frame, the moving tube is fixedly connected to the drive receiving part of the drive frame, and a detection wheel 325 is provided at the bottom of the moving tube. Under the control of the controller, the electric slide rail causes the drive frame and the moving tube to reciprocate in the vertical direction, and drives the moving tube 323 to reciprocate in the vertical direction, so that the detection wheel makes full contact with the construction road surface.
[0030] In this embodiment, the flatness detection device operates by a drive frame that moves smoothly in a straight line vertically under the guidance of an electric slide rail. This drives the moving tube to reciprocate vertically, ensuring the detection wheel makes full contact with the road surface and enabling continuous detection of road surface flatness. This guarantees the stability and accuracy of the detection process. The drive frame adopts an L-shaped structure, which facilitates reliable connection with the moving tube and frame while providing a larger bearing area and support strength within a limited space, thereby improving overall load-bearing capacity and structural stability. Driven by the electric slide rail, the drive frame can drive the moving tube and frame to participate in detection and cleaning simultaneously, achieving synchronous detection and cleaning of the road surface. After detection, the drive frame can automatically retract under the guidance of the electric slide rail, avoiding the occupation of additional space. Furthermore, by placing the sensing component at the bottom of the first fixed frame, the inclination of the road surface can be collected in real time while detecting flatness, achieving comprehensive detection of both the flatness and slope of the construction surface and improving the comprehensiveness of the detection.
[0031] like Figure 3 As shown, the detection component 320 also includes a fan 328 fixedly installed at the bottom of the placement frame 310; a drive receiving part arranged horizontally in the drive frame 322, one end of which is connected to the moving pipe, and the other end is fixedly connected to the moving frame 329; the output end of the fan is fixedly connected to the moving frame 329 through a connecting pipe, and a guide frame 3210 is fixedly connected to the bottom of the moving frame 329. In this embodiment, the fan at the bottom of the placement frame can continuously provide a stable airflow during operation; the guide frame at the bottom of the moving frame can evenly guide the airflow to the area where the detection wheel contacts the road surface, thereby simultaneously cleaning the floating dust and particles on the construction road surface during the flatness detection process, effectively avoiding the interference of impurities on the normal rolling of the detection wheel, reducing the impact of dust on sensor data acquisition, thereby ensuring the accuracy and stability of the detection data, and improving the adaptability of the device in complex environments at the construction site.
[0032] Furthermore, the air guide frame 3210 is located on one side of the detection wheel 325, and the air guide frame is set at an angle, with the air guide frame internally connected to the moving frame 329. Because the air guide frame is set at an angle, the airflow output by the fan can be concentrated and sprayed towards the front area of the detection wheel along the angled channel of the air guide frame. This allows for the pre-cleaning of floating dust and particles on the construction road surface during the movement of the detection device, ensuring that the direct contact between the detection wheel and the ground is not interfered with by impurities. This prevents the detection wheel from slipping or jumping due to dust or debris accumulation, further effectively improving the accuracy and stability of the flatness detection results.
[0033] See Figure 4A flatness detector 327 is fixedly connected to the top of the moving tube 323, and a detection rod 324 is rotatably mounted on the top of the detection wheel 325. Specifically, one end of the detection rod 324 is slidably connected to the inside of the moving tube 323, and the other end of the detection rod 324 is connected to one side of the flatness detector 327. The detection rod can generate corresponding displacement when the detection wheel rolls with the undulations of the ground, and transmit this displacement to the flatness detector. Based on this, the flatness detector can collect and analyze the elevation difference data of the ground in real time, realize continuous detection of the flatness of the construction road surface, avoid the limitations of single-point measurement, and ensure the real-time and accurate detection results.
[0034] It should be noted that the leveling instrument can employ existing conventional electronic or laser-based leveling detection devices, such as common electronic level modules, laser displacement sensors, or inductive displacement sensors. These devices can collect real-time displacement changes of the detection rod and convert them into ground elevation difference data, offering high accuracy and reliability. Since the leveling instrument only functions as a data acquisition and conversion unit and does not participate in mechanical movement, it will not affect the normal operation of the detection components.
[0035] More preferably, a spring 326 is installed inside the moving tube 323, connecting the detection rod 324 and the flatness detector 327. When the detection wheel rolls on an uneven surface, the detection rod can generate a buffering and resetting effect under the elastic action of the spring, ensuring that the detection rod always maintains stable contact with the flatness detector. This buffering and resetting structure can not only prevent the detection rod from shaking or detaching due to sudden changes in ground conditions, improving the continuity and accuracy of detection data, but also reduce the mechanical impact on the detection rod and related components, extending the service life of the entire machine.
[0036] It should be noted that the spring primarily serves as a buffer and reset mechanism. By being fixedly connected to the detection rod, it ensures the rod maintains stable contact as the detection wheel moves with the undulating ground. The spring only provides elastic support and rebound force when the detection rod undergoes displacement; it does not alter the accuracy of the displacement transmission and therefore does not affect the leveling instrument's ability to accurately collect ground elevation differences. Furthermore, the spring allows the detection rod to quickly return to its initial position after detection, ensuring the device's repeatability and stability.
[0037] The first fixing frame 100 and the second fixing frame 110 are slidably connected. A fixing tube 3211 is fixedly connected to the surface of the second fixing frame, and the fixing tube communicates with the interior of the second fixing frame. A screw 3212 is threadedly connected to one side of the fixing tube, and a clamping block 3213 is rotatably connected between the screw and the second fixing frame. In this embodiment, the first fixing frame and the second fixing frame are slidably connected, allowing the distance between them to be flexibly adjusted according to construction needs. The fixing tube is fixedly installed on the surface of the second fixing frame and communicates with its interior. The screw is threadedly connected to the inside of the fixing tube. By rotating the screw, the clamping block can be moved axially, thereby locking and fixing the relative position of the first fixing frame and the second fixing frame.
[0038] like Figure 2 , Figure 6 As shown, the sensing component 330 includes an electric push rod 331 fixedly mounted on one side of the first fixed frame 100, and a tilt sensor 332 is fixedly connected to the output end of the electric push rod 331. A rotating frame 333 is fixedly connected to the output end of the tilt sensor 332, and two contact wheels 334 are fixedly mounted on the outer side of the rotating frame 333.
[0039] In this embodiment, the tilt sensor can flexibly adjust its position according to the detection requirements under the drive of the electric push rod, thereby collecting the tilt data of the construction road surface in real time and improving the comprehensiveness of the overall detection. During the movement of the flatness detection device, the two contact wheels can always maintain rolling contact with the ground, thereby transmitting the tilt changes of the ground to the tilt sensor in real time. This not only ensures the continuity and sensitivity of data acquisition, but also effectively avoids detection errors caused by momentary vibrations or local unevenness, further improving the accuracy and stability of tilt detection.
[0040] More preferably, the two contact wheels 334 are located on both sides of the rotating frame 333, and the bottom of the two contact wheels 334 is flush with the bottom of the detection wheel 325. By arranging the two contact wheels on both sides of the rotating frame and keeping them flush with the bottom of the detection wheel, it is ensured that the contact wheels can roll synchronously with the ground during the movement of the device. This ensures that the data collected by the tilt sensor is consistent with the detection state of the detection wheel, avoiding errors caused by height differences or positional offsets, thereby improving the synchronization and accuracy of tilt detection and flatness detection.
[0041] The working principle of this embodiment is as follows:
[0042] (1) When the device is running, the detection component drives the drive frame and moving tube to move down under the drive of the electric slide rail, so that the detection wheel keeps in full contact with the construction road surface. When the detection wheel rolls with the undulation of the ground, its displacement is transmitted to the flatness detector through the detection rod; the flatness detector collects data in real time and converts it into the height difference of the ground, so as to realize the continuous detection of the flatness of the road surface. The spring inside the moving tube provides elastic buffer and reset for the detection rod, so that the detection rod always keeps stable contact and avoids jumping or data interruption caused by sudden changes in the ground. During the detection process, the fan starts and delivers airflow to the moving frame through the connecting pipe, and sprays it to the ground area in front of the detection wheel through the air guide frame, cleaning up floating dust and particles in advance, and ensuring the rolling stability of the detection wheel and the accuracy of the data;
[0043] (2) Simultaneously, the sensing component begins to operate, and the electric push rod drives the tilt sensor to adjust to the appropriate position. The two contact wheels on the rotating frame are flush with the bottom of the detection wheel and roll synchronously with the ground. The tilt sensor records the changes in ground tilt in real time through the data transmitted by the contact wheel, thus realizing the detection of slope. Since the contact wheel and the detection wheel remain flush, the consistency and synchronicity of the tilt data and the flatness detection are ensured. When it is necessary to adjust the frame size, the relative position of the first fixed frame and the second fixed frame can be locked or released through the fixed pipe and screw driving the clamping block, which facilitates the adaptation of the device to different construction environments. After the detection is completed, the electric slide rail can drive the drive frame to retract, avoiding the occupation of extra space and facilitating the storage and transportation of the equipment.
[0044] It should be noted that the controller, electric slide rail, electric push rod, flatness detector, and tilt sensor mentioned above are all devices with relatively mature existing technologies. The specific models can be selected according to actual needs. At the same time, the controller, electric slide rail, electric push rod, flatness detector, and tilt sensor can be powered by the built-in power supply or by AC power. The specific power supply method should be selected according to the situation, and will not be elaborated here.
[0045] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0046] The above-described embodiments are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.
Claims
1. A flatness testing device for building construction, characterized in that, It includes a first fixed frame, a second fixed frame, a controller, and a leveling and detection mechanism; the first fixed frame is connected to the second fixed frame. The leveling detection mechanism includes a placement frame, a detection component, and a sensing component. The placement frame is fixedly installed on the second fixed frame, the detection component is located at the bottom of the second fixed frame, and the sensing component is located at the bottom of the first fixed frame. The controller is connected to the detection component and the sensing component respectively. The detection assembly includes an electric slide rail, a drive frame, and a moving tube. The drive frame includes a drive receiving part arranged horizontally and a drive connecting part arranged vertically. The electric slide rail is fixedly connected to the placement frame, and the output end of the electric slide rail is fixedly connected to the drive connecting part of the drive frame. The moving tube is fixedly connected to the drive receiving part of the drive frame, and a detection wheel is provided at the bottom of the moving tube. Under the control of the controller, the electric slide rail causes the drive frame and the moving tube to reciprocate vertically, and drives the moving tube to reciprocate vertically, so that the detection wheel makes full contact with the construction surface.
2. The flatness detection device according to claim 1, characterized by The controller is fixedly installed inside the placement frame.
3. The flatness detection device according to claim 1, characterized by The drive frame adopts an L-shaped structure.
4. The flatness detection device of claim 1, wherein The detection assembly also includes a fan fixedly installed at the bottom of the placement frame; a drive receiving part arranged horizontally along the drive frame, one end of which is connected to the moving pipe and the other end of which is fixedly connected to the moving frame; the output end of the fan is fixedly connected to the moving frame through a connecting pipe, and an air guide frame is fixedly connected to the bottom of the moving frame.
5. The flatness detection device according to claim 4, characterized in that The air guide frame is located on one side of the detection wheel. The air guide frame is set at an angle and is connected to the inside of the moving frame.
6. The flatness detection device of claim 1, wherein A flatness detector is fixedly connected to the top of the moving tube, and a detection rod is rotatably mounted on the top of the detection wheel; One end of the detection rod is slidably connected to the inside of the moving tube, and the other end of the detection rod is connected to one side of the flatness detector.
7. The flatness detection device according to claim 6, characterized in that The moving tube has a spring inside, which connects the detection rod and the flatness detector.
8. The flatness detection device of claim 1, wherein The first fixed frame and the second fixed frame are slidably connected; a fixed tube is fixedly connected to the surface of the second fixed frame, the fixed tube is connected to the inside of the second fixed frame, a screw is threaded to one side of the fixed tube, and a clamping block is rotatably connected between the screw and the second fixed frame.
9. The flatness detection device of claim 1, wherein The sensing component includes an electric push rod fixedly installed on one side of the first fixed frame, and a tilt sensor fixedly connected to the output end of the electric push rod; a rotating frame fixedly connected to the output end of the tilt sensor, and two contact wheels fixedly installed on the outer side of the rotating frame.
10. The flatness detection device of claim 9, wherein The two contact wheels are located on both sides of the rotating frame, and the bottom of the two contact wheels is flush with the bottom of the detection wheel.