Automatic measuring device for flatness of structure

Abstract

The utility model provides an automatic measuring device for flatness of a structure, which relates to the technical field of flatness detection and comprises a guiding rule main body, a movable guide rail is fixed on the surface of the guiding rule main body, a laser sensor is slidably connected to the surface of the movable guide rail, and a control device is further fixed on the side surface of the guiding rule main body. And a data acquisition module is fixed in the control equipment. According to the automatic measuring device for the flatness of the structure, by arranging the data acquisition module, the number of personnel needed in the detection process is reduced, the detection efficiency is improved, maximum gap searching and result reading are automatically acquired and displayed, personal errors are effectively avoided, meanwhile, a laser sensor is used for detection, light influences are avoided, and the detection accuracy is improved. The device can be normally used in a dark environment and at a high position, the practicability of the device is improved, by arranging the display screen, testers can conveniently know the detection result and process the result in time, and the detection speed is increased.

Description

Technical Field

[0001] The utility model relates to an automatic measuring device, in particular to an automatic measuring device for the flatness of a structure, belonging to the technical field of flatness detection. Background Art

[0002] At present, continuous smoothness meters are used to collect data for road surface flatness measurement. However, the flatness of structures is still generally measured using a traditional two-meter ruler combined with a feeler gauge. During the measurement process, it is necessary to first visually find the maximum gap, then insert the feeler gauge to find the actual maximum gap and record the readings. When reading, it is difficult to keep the line of sight close to the ruler plane and keep it horizontal, resulting in inaccurate readings. In environments with insufficient light such as tunnels, corresponding lighting facilities are also required, and the detection efficiency is low. Therefore, in view of the above situation, it is urgent to develop an automatic measurement device for the flatness of structures to overcome the shortcomings in current practical applications.

[0003] Therefore, an automatic flatness measurement device for a structure is proposed herein. Utility Model Content

[0004] The utility model provides an automatic flatness measuring device for a structure, so as to solve the problem that when measuring with a traditional two-meter ruler and a feeler gauge, the reading is not accurate because it is difficult for the line of sight to be close to the ruler plane and keep it horizontal.

[0005] The utility model is realized by the following technical scheme: an automatic flatness measuring device for a structure, comprising a ruler body, a movable guide rail is fixed on the surface of the ruler body, a laser sensor is slidably connected on the surface of the movable guide rail, a control device is also fixed on the side of the ruler body, and a data acquisition module is fixed inside the control device;

[0006] A handwheel is rotatably connected to the side of the ruler body, and a large pulley and a small pulley are rotatably connected inside the ruler body. The large pulley is connected to the handwheel. There are two large pulleys and two small pulleys, which are symmetrically arranged inside the ruler body. A special pulley rope is overlapped on the surface of the large pulley. Two groups of large pulleys and small pulleys are connected through a special pulley rope transmission. A connecting block is fixed on the surface of the special pulley rope, and the upper end of the connecting block is fixed to the lower surface of the laser sensor.

[0007] Furthermore, protective shells are provided at both ends of the ruler body, and fixing components are provided inside the protective shells, and the protective shells are fixed to the two ends of the ruler body through the fixing components.

[0008] Furthermore, the fixing assembly includes a knob, a threaded rod, a threaded tube and a fixing block. A transmission compartment is opened inside the protective shell. The knob is arranged on the side of the protective shell. One end of the threaded rod is fixed to the side of the knob, and the other end of the threaded rod rotates and passes through the transmission compartment.

[0009] Further, the threaded pipe is threadedly connected to the surface of the threaded rod, the fixing block is fixed at one end of the threaded pipe, a fixing groove is formed on the surface of the main body of the straightedge, and one end of the fixing block is clamped in the fixing groove.

[0010] Further, a slider is fixed on the side surface of the threaded pipe, a sliding groove is formed on the surface of the transmission chamber, the slider is slidably connected in the sliding groove, the threaded pipe is movably connected in the transmission chamber through the slider and the sliding groove, there are two sliders and sliding grooves, and they are symmetrically arranged on both sides of the threaded pipe.

[0011] Further, folding hinges are fixed on the side surface of the main body of the straightedge, there are two main bodies of the straightedge, and the two main bodies of the straightedge are hinged through the folding hinges.

[0012] Further, the control device includes a housing, a display screen is arranged on the front side of the housing, a detection button is arranged on the right side of the display screen, a control switch is arranged on the left side of the display screen, a power supply is arranged inside the housing, the data acquisition module is electrically connected to the power supply through an electric wire, and the power supply is arranged inside the housing and fixedly connected to the housing.

[0013] The utility model provides an automatic measuring device for the flatness of a structure, and the beneficial effects thereof are as follows:

[0014] 1. By setting the data acquisition module, the automatic measuring device for the flatness of the structure reduces the number of personnel required in the detection process, improves the detection efficiency. Moreover, the maximum gap search and result reading are automatically collected and displayed, effectively avoiding human errors. At the same time, using a laser sensor for detection is not affected by light and can be normally used in a dark environment or at a high position, increasing the practicability of the device. By setting the display screen, it is convenient for the test personnel to understand the detection results and process the results in a timely manner, improving the detection speed.

[0015] 2. Through the handwheel, large pulley, small pulley and special pulley rope, the automatic measuring device for the flatness of the structure can make the laser sensor move freely on the main body of the straightedge. Moreover, the handwheel is arranged at one end of the main body of the straightedge, enabling single-person single-end operation, solving the problem of difficult operation on the vertical surface, and improving the operation efficiency and convenience.

[0016] 3. Through the fixing component, the protective shell can be fixed at both ends of the main body of the straightedge. It can not only protect the ends of the main body of the straightedge, large pulley and small pulley from collision and wear with external structures during use, but also facilitate the staff to replace and maintain the large pulley, small pulley and special pulley wire, further improving the practicability of the device. Description of the Drawings

[0017] Figure 1 Schematic three-dimensional structure diagram of the present utility model;

[0018] Figure 2 Schematic partial cross-sectional structure diagram of the present utility model as viewed from above;

[0019] Figure 3 Schematic internal structure diagram of the present utility model;

[0020] Figure 4 For the present utility model Figure 2 Schematic enlarged structure diagram of part A in the present utility model.

[0021] Description of reference numerals in the drawings

[0022] 1, straightedge main body; 101, fixing groove; 2, handwheel; 3, large pulley; 4, small pulley; 5, special rope for pulley; 6, connecting block; 7, laser sensor;

[0023] 8, control device; 801, housing; 802, display screen; 803, control switch; 804, detection button; 805, data acquisition module; 806, power supply;

[0024] 9, moving guide rail; 10, folding hinge; 11, protective shell; 1101, transmission chamber;

[0025] 12, fixing assembly; 1201, knob; 1202, threaded rod; 1203, threaded tube; 1204, fixing block; 1205, slider. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1 to 4The embodiment of the utility model provides an automatic measuring device for the flatness of a structure, including a ruler body 1, a movable guide rail 9 is fixed on the surface of the ruler body 1, a laser sensor 7 is slidably connected to the surface of the movable guide rail 9, a control device 8 is also fixed on the side of the ruler body 1, and a data acquisition module 805 is fixed inside the control device 8; the automatic measuring device for the flatness of a structure reduces the number of personnel required in the detection process by setting the data acquisition module 805, improves the detection efficiency, and automatically collects and displays the maximum gap search and result readings, effectively avoiding human errors. At the same time, the use of the laser sensor 7 for detection is not affected by light, and can be used normally in dark environments and high places, thereby increasing the practicality of the device. By setting the display screen 802, it is convenient for test personnel to understand the detection results and process the results in time, thereby improving the detection speed.

[0028] A handwheel 2 is rotatably connected to the side of the ruler body 1, and a large pulley 3 and a small pulley 4 are rotatably connected inside the ruler body 1. The large pulley 3 is connected to the handwheel 2. There are two large pulleys 3 and two small pulleys 4, which are symmetrically arranged inside the ruler body 1. A pulley-specific rope 5 is overlapped on the surface of the large pulley 3. Two groups of large pulleys 3 and small pulleys 4 are connected by the pulley-specific rope 5. A connecting block 6 is fixed on the surface of the pulley-specific rope 5, and the upper end of the connecting block 6 is fixed to the lower surface of the laser sensor 7. The automatic measuring device for the flatness of a structure can make the laser sensor 7 move freely on the ruler body 1 through the handwheel 2, the large pulley 3, the small pulley 4 and the pulley-specific rope 5. In addition, the handwheel 2 is arranged at one end of the ruler body 1, which can realize single-person single-end operation, solve the problem of difficult vertical surface operation, and improve operation efficiency and convenience.

[0029] Please refer to Figure 2 and Figure 4, protective shells 11 are provided at both ends of the straightedge main body 1. A fixing component 12 is arranged inside the protective shell 11, and the protective shell 11 is fixed to both ends of the straightedge main body 1 through the fixing component 12; the fixing component 12 includes a knob 1201, a threaded rod 1202, a threaded tube 1203, and a fixing block 1204. A transmission chamber 1101 is opened inside the protective shell 11. The knob 1201 is arranged on the side surface of the protective shell 11. One end of the threaded rod 1202 is fixed to the side surface of the knob 1201, and the other end of the threaded rod 1202 rotatably penetrates through the transmission chamber 1101; the threaded tube 1203 is threadedly connected to the surface of the threaded rod 1202. The fixing block 1204 is fixed to one end of the threaded tube 1203. A fixing groove 101 is opened on the surface of the straightedge main body 1, and one end of the fixing block 1204 is clamped in the fixing groove 101; a slider 1205 is fixed to the side surface of the threaded tube 1203, a sliding groove is opened on the surface of the transmission chamber 1101, and the slider 1205 is slidably connected to the sliding groove. The threaded tube 1203 is movably connected to the transmission chamber 1101 through the slider 1205 and the sliding groove. There are two sliders 1205 and sliding grooves, and they are symmetrically arranged on both sides of the threaded tube 1203; through the fixing component 12, the protective shell 11 can be fixed to both ends of the straightedge main body 1. It can not only protect the ends of the straightedge main body 1, the large pulley 3, and the small pulley 4 from colliding and wearing with external structures during use, but also facilitate the staff to replace and maintain the large pulley 3, the small pulley 4, and the special pulley wire, further improving the practicability of the device.

[0030] Please refer particularly to Figure 1 and Figure 3 , a folding hinge 10 is fixed to the side surface of the straightedge main body 1. There are two straightedge main bodies 1, and the two straightedge main bodies 1 are hinged through the folding hinge 10.

[0031] Please refer particularly to Figure 1 and Figure 3 , the control device 8 includes a housing 801. A display screen 802 is arranged on the front side of the housing 801. A detection button 804 is arranged on the right side of the display screen 802. A control switch 803 is arranged on the left side of the display screen 802. A power supply 806 is arranged inside the housing 801. The data acquisition module 805 is electrically connected to the power supply 806 through an electric wire. The power supply 806 is arranged inside the housing 801 and fixedly connected to the housing 801; by using the control device 8 for data display and processing, the distance data measured by the laser sensor 7 can be wirelessly received, multiple measurement values of a single component can be recorded, and the maximum and minimum differences of the flatness can be automatically calculated, improving the accuracy and efficiency of data processing and ensuring the stable recording and traceability of the data in the measurement operation.

[0032] The steps for flatness detection using this device are as follows;

[0033] First, during the flatness detection, place the straightedge on the structure at the test location in the direction determined as needed. Secondly, visually observe the gap between the bottom surface of the straightedge and the structure, and slide the laser module to the position with the maximum gap. Subsequently, press the acquisition button, and the data module will automatically record the height of the maximum gap and display it on the interface. Finally, conduct continuous detections in sequence according to the inspection methods and frequencies specified in the current "Quality Inspection and Evaluation Standards for Highway Engineering".

[0034] When the present utility model is in use: First, place the device in a suitable position and place the protective shell 11 at the designated position. Subsequently, the staff turns the knob 1201 to drive the threaded rod 1202 to rotate. The threaded rod 1202 drives the threaded tube 1203 to move, thereby driving the fixed block 1204 fixed at one end thereof to move synchronously. When the fixed block 1204 is clamped in the fixed slot 101, the staff can stop turning the knob 1201 to complete the fixation of the protective shell 11.

[0035] Subsequently, when the staff turns the handwheel 2 as needed, the handwheel 2 drives the large pulley 3 to rotate. The large pulley 3 drives the small pulley 4, the special pulley rope 5, and the large pulley 3 at the other end to rotate synchronously, thereby driving the laser sensor 7 to move, realizing single-person single-end operation, solving the problem of difficult operation in the vertical plane, and improving the operation efficiency and convenience.

[0036] The above shows and describes the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic measuring device for the flatness of a structure, comprising a straightedge main body (1), characterized in that: A moving guide rail (9) is fixed on the surface of the straightedge main body (1). A laser sensor (7) is slidably connected to the surface of the moving guide rail (9). A control device (8) is also fixed on the side of the straightedge main body (1). A data acquisition module (805) is fixed inside the control device (8). A handwheel (2) is rotatably connected to the side of the straightedge main body (1). A large pulley (3) and a small pulley (4) are rotatably connected inside the straightedge main body (1). The large pulley (3) is connected to the handwheel (2). There are two large pulleys (3) and two small pulleys (4), and they are symmetrically arranged inside the straightedge main body (1). A special pulley rope (5) is lapped on the surface of the large pulley (3). The two groups of large pulleys (3) and small pulleys (4) are connected by the special pulley rope (5). A connecting block (6) is fixed on the surface of the special pulley rope (5). The upper end of the connecting block (6) is fixed to the lower surface of the laser sensor (7).

2. The automatic flatness measurement device for a structure according to claim 1, characterized in that: Protection cases (11) are arranged at both ends of the straightedge main body (1). A fixing component (12) is arranged inside the protection case (11). The protection case (11) is fixed to both ends of the straightedge main body (1) through the fixing component (12).

3. The automatic flatness measuring device for a structure according to claim 2, characterized in that: The fixing component (12) includes a knob (1201), a threaded rod (1202), a threaded tube (1203), and a fixing block (1204). A transmission chamber (1101) is opened inside the protection case (11). The knob (1201) is arranged on the side of the protection case (11). One end of the threaded rod (1202) is fixed to the side of the knob (1201). The other end of the threaded rod (1202) rotatably penetrates through the transmission chamber (1101).

4. An automatic flatness measurement device for a structure according to claim 3, characterized in that: The threaded tube (1203) is threadedly connected to the surface of the threaded rod (1202). The fixing block (1204) is fixed to one end of the threaded tube (1203). A fixing groove (101) is opened on the surface of the straightedge main body (1). One end of the fixing block (1204) is clamped in the fixing groove (101).

5. An automatic flatness measuring device for a structure according to claim 3, characterized in that: A slider (1205) is fixed to the side of the threaded tube (1203). A chute is opened on the surface of the transmission chamber (1101). The slider (1205) is slidably connected to the chute. The threaded tube (1203) is movably connected to the transmission chamber (1101) through the slider (1205) and the chute. There are two sliders (1205) and two chutes, and they are symmetrically arranged on both sides of the threaded tube (1203).

6. The automatic measuring device for the flatness of a structure according to claim 1, wherein: A folding hinge (10) is fixed to the side of the straightedge main body (1). There are two straightedge main bodies (1), and the two straightedge main bodies (1) are hinged through the folding hinge (10).

7. An automatic measuring device for the flatness of a structure according to claim 1, characterized in that: The control device (8) includes a housing (801). A display screen (802) is provided on the front side of the housing (801). A detection button (804) is provided on the right side of the display screen (802). A control switch (803) is provided on the left side of the display screen (802). A power supply (806) is provided inside the housing (801). The data acquisition module (805) is electrically connected to the power supply (806) through an electric wire. The power supply (806) is provided inside the housing (801) and fixedly connected to the housing (801).

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