Excavation depth real-time recording device for foundation pit

By combining a laser rangefinder and an angle adjustment mechanism, the real-time and accuracy issues of foundation pit excavation depth measurement are solved, enabling real-time and accurate recording of foundation pit excavation depth, adapting to complex foundation pit shapes, and reducing human error.

CN223951843UActive Publication Date: 2026-02-27ZHEJIANG UNIV OF TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520316987.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-02-27
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Traditional methods of measuring the depth of foundation pit excavation rely on manual measurement, which is inefficient, inaccurate, and easily affected by human factors. It also cannot achieve full-process monitoring, resulting in significant deviations in the measurement results.

Method used

A laser rangefinder is used in conjunction with an angle adjustment mechanism and an angle sensor. The angle adjustment mechanism is driven by a motor to achieve multi-angle monitoring of the laser rangefinder. Combined with lithium battery power supply and wireless data transmission, the excavation depth of the foundation pit is recorded in real time.

Benefits of technology

It enables real-time and accurate measurement of the excavation depth of foundation pits, improves measurement accuracy and efficiency, adapts to complex foundation pit shapes, reduces human error, and has high practical value.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223951843U_ABST
    Figure CN223951843U_ABST
Patent Text Reader

Abstract

The utility model relates to an excavation depth real-time recording device for a foundation pit, which comprises a bottom plate, a stand column and a laser range finder, the bottom of the stand column is fixed on the bottom plate, the top end of the stand column is provided with an extension arm, the front end of the extension arm is internally provided with a cavity, an angle adjusting mechanism is arranged in the cavity, and a rotating shaft penetrates through the extension arm and is rotatably matched with the angle adjusting mechanism. The two ends, exposed out of the extension arm, of the rotating shaft are connected with a laser range finder and an angle sensor correspondingly, and the bottom end of the angle adjusting mechanism penetrates out of the extension arm to be connected with a motor. The device realizes multi-angle monitoring of the depth of the foundation pit by the laser range finder, so that the excavation depth of the foundation pit is accurately recorded in real time, and the device has high practical value.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering construction equipment, especially to a real -time recording device for excavation depth for foundation pit. BACKGROUND

[0002] In the field of building construction, foundation pit excavation is an important link of foundation engineering, and accurate control of excavation depth plays a decisive role in the safety and stability of the entire building project. During the construction process, if the foundation pit excavation depth is insufficient, the foundation bearing capacity may not meet the design requirements, affecting the stability of the building; while over-excavation will cause unnecessary resource waste, increase construction cost, and even have adverse effects on the surrounding environment, such as damaging underground pipelines and causing settlement of adjacent buildings.

[0003] Traditional foundation pit excavation depth measurement is mainly through manual measurement. This method not only has low efficiency, is limited by manpower and time, and cannot realize full-process monitoring of the excavation process, but also the measurement accuracy is easily affected by human factors, such as the operation proficiency of the measurement personnel, visual error, and reading error, etc., resulting in large deviation of the measurement results.

[0004] In view of the problems existing in manual measurement, the existing structure and deficiencies are researched and improved, and a real-time recording device for excavation depth of foundation pit is proposed, in order to achieve the purpose of having more practical value. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the background art, the technical problem to be solved by the utility model is to provide a real-time recording device for excavation depth of foundation pit, which realizes multi-angle monitoring of foundation pit depth through a laser range finder, and records the excavation depth of foundation pit in real time and accurately.

[0006] The utility model is completed by adopting the following technical solutions: a real-time recording device for excavation depth of foundation pit, comprising a bottom plate, a stand and a laser range finder, the bottom of the stand is fixed on the bottom plate, the top end of the stand is provided with an extension arm, the front end of the extension arm has a cavity inside, an angle adjusting mechanism is arranged in the cavity, a rotating shaft penetrates through the extension arm and is rotatably connected with the angle adjusting mechanism, the two ends of the rotating shaft exposed outside the extension arm are respectively connected with the laser range finder and an angle sensor, and the bottom end of the angle adjusting mechanism penetrates through the extension arm and is connected with a motor.

[0007] Further, the angle adjusting mechanism comprises a transmission shaft and a worm, the worm is sleeved outside the transmission shaft, a worm wheel is arranged on the rotating shaft, the worm is engaged with the worm wheel, the top of the transmission shaft is rotatably connected with the top of the cavity, and the bottom of the transmission shaft penetrates through the extension arm and is connected with the output end of the motor.

[0008] Further, a control panel is installed outside the stand, and a wireless signal transceiver is arranged in the control panel.

[0009] Further, the bottom end of the column is internally provided with a lithium battery, and the output end of the lithium battery is connected with the angle sensor, the laser range finder, the control panel and the motor through wires respectively.

[0010] Further, the top of the column is provided with a solar charging panel, the solar charging panel is installed at the top of the column through a fixing rod, and the solar charging panel is electrically connected with the lithium battery through a charging circuit.

[0011] Further, a plurality of reinforcing blocks are installed at the connection between the column and the bottom plate.

[0012] Further, fixing holes are arranged at the four corners of the bottom plate.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The worm of the angle adjusting mechanism is engaged with the worm gear on the rotating shaft, when the motor drives the angle adjusting mechanism to rotate, the rotating shaft is driven to rotate, thereby realizing the angle adjustment of the laser range finder, the depth of different positions of the foundation pit is measured through the laser range finder, the multi-angle monitoring of the laser range finder on the depth of the foundation pit is effectively realized, thereby realizing the real-time and accurate recording of the excavation depth of the foundation pit, meeting the measurement requirement of the complex foundation pit shape, and having high practical value.

[0015] 2. The other end of the rotating shaft is connected with an angle sensor, the rotating angle of the rotating shaft is monitored in real time, the data measured by the laser range finder is combined, and the depth of different positions of the foundation pit can be more accurately determined through the calculation of the trigonometric function, and the measurement accuracy is improved.

[0016] 3. The lithium battery is arranged in the column and is used for storing electric energy and providing stable power supply for each power component of the device, so that the device can continuously work without external power supply.

[0017] 4. The control panel is arranged on the side surface of the column, the equipment is controllable, the use convenience of the product is increased, the wireless signal transceiver is arranged in the control panel, wireless data transmission is realized, the control panel receives the data of the laser range finder and the angle sensor in real time and transmits the data to the computer system, the depth of different positions of the foundation pit can be more accurately determined through the calculation of the trigonometric function, and the D shape of the foundation pit is generated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of a real-time recording device for excavation depth of a foundation pit.

[0019] Figure 2 It is a structural schematic view of another view of a real-time recording device for excavation depth of a foundation pit.

[0020] Figure 3Another view of the structure of a real-time recording device for excavation depth of foundation pit;

[0021] Figure 4 Another view of the structure of a real-time recording device for excavation depth of foundation pit;

[0022] Figure 5 Another view of the structure of a real-time recording device for excavation depth of foundation pit;

[0023] Label description: base plate 100; fixed hole 10001; stand 101; reinforcing block 102; fixed rod 103; solar charging plate 104; extension arm 105; cavity 10501; rotating shaft 106; laser range finder 107; angle sensor 108; angle adjusting mechanism 109; transmission shaft 10901; worm 10902; worm wheel 10903; motor 10904; lithium battery 110; control panel 111. DETAILED DESCRIPTION

[0024] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the present application will be described in detail as follows in combination with the drawings and preferred embodiments.

[0025] Reference Figures 1-5The utility model provides a kind of real-time recording device for excavation depth of foundation pit, including bottom plate 100, stand 101 and laser range finder 107.The stand 101 bottom is fixed on bottom plate 100, and stand 101 top end is equipped with extension arm 105, and the extension arm is extended to outside by stand top end side wall along transverse direction.The cavity 10501 is inside in the front end of extension arm 105, and the cavity 10501 inside in the front end of extension arm 105 is equipped with angle adjusting mechanism 109.Pivot 106 is radially through extension arm 105 and is rotatably connected with extension arm 105, and pivot 106 is rotatably matched with angle adjusting mechanism 109.Pivot 106 is exposed in the both ends of extension arm 105 and is connected with laser range finder 107 and angle sensor 108 respectively, and the bottom end of angle adjusting mechanism 109 is connected with motor 10904 by penetrating through extension arm 105, and motor is installed in the bottom end of extension arm.When motor 10904 drives angle adjusting mechanism 109 to rotate, pivot 106 is rotated, so that the angle adjustment of laser range finder 107 is realized, the depth of different positions of foundation pit is measured by laser range finder 107, the measurement demand of complex foundation pit shape is satisfied, laser range finder 107 multi-angle monitoring foundation pit depth is effectively realized, and real-time, accurate record foundation pit excavation depth is realized.Meanwhile, pivot 106 is monitored in real time by angle sensor 108, the detection end of angle sensor 108 monitors the rotation angle of pivot 106 in real time, the rotation angle monitored by angle sensor 108 is matched with the data measured by laser range finder 107, and the depth of different positions of foundation pit can be more accurately determined by trigonometric function calculation, measurement accuracy is improved, and D shape of foundation pit is conveniently generated on computer subsequently.

[0026] Specifically, the angle adjusting mechanism 109 includes a transmission shaft 10901 and a worm 10902, the worm 10902 is sleeved on the outside of the transmission shaft 10901, the pivot 106 is provided with a worm wheel 10903, the worm 10902 is engaged with the worm wheel 10903, so that the angle adjusting mechanism 109 is rotatably matched with the transmission shaft 10901. The transmission shaft 10901 is rotatably connected at the top of the cavity 10501, and the bottom of the transmission shaft 10901 is connected with the output end of the motor 10904 by penetrating through the extension arm 105. When the motor 10904 drives the transmission shaft 10901 to rotate, the pivot 106 is driven to rotate through the engagement of the worm wheel 10903 and the worm 10902, so as to drive the angle adjustment of the laser range finder 107, and the engagement of the worm wheel 10903 and the worm 10902 enables the pivot 106 to have a self-locking function.

[0027] Further, the control panel 111 is mounted outside the column, and a wireless signal transceiver is arranged in the control panel 111. The control panel 111 is wirelessly connected with the laser range finder 107, the angle sensor 108, the motor 10904 and other devices to receive or send signals of the laser range finder 107, the angle sensor 108 and the motor 10904. The control panel 111 can control the devices to increase the convenience of the product. The wireless signal transceiver arranged in the control panel 111 realizes wireless data transmission. When the control panel 111 receives the data measured by the laser range finder 107 and the data of the real-time monitoring of the rotating angle of the angle sensor 108, and transmits the data to the computer system, the depth of the foundation pit at different positions can be more accurately determined through the calculation of the trigonometric function, and the measurement accuracy is improved. The D shape of the foundation pit is generated in the computer system.

[0028] Further, the lithium battery 110 is mounted at the bottom end of the column to store electric energy and provide power. The output end of the lithium battery 110 is connected with the angle sensor 108, the laser range finder 107, the motor 10904 and the control panel 111 through wires. The lithium battery 110 provides stable power supply for each power component of the device to ensure that the device can continuously work without external power supply. The input end of the lithium battery 110 is provided with a power input port and / or a solar input port, and the lithium battery 110 can be powered by the power or the solar charging panel 104. The solar charging panel 104 is arranged at the top of the column through the fixing rod 103, and the solar charging panel 104 is electrically connected with the lithium battery 110 through a charging circuit. The solar energy is converted into electric energy and stored in the lithium battery 110 to realize sustainable use of energy, reduce the use cost of the device, reduce the dependence on traditional power supply, and be more energy-saving and environment-friendly.

[0029] Further, a plurality of reinforcing blocks 102 are arranged at the connection between the column and the bottom plate 100. The adjacent two sides of the reinforcing block 102 are fixedly connected with the bottom side of the column and the top of the bottom plate 100. The connection strength between the column and the bottom plate 100 is effectively enhanced, and the stability of the whole device is improved, so that the device can withstand a larger external force without tilting or collapsing to ensure the normal progress of the measurement work. The fixed holes 10001 are arranged at the four corners of the bottom plate 100 to facilitate the device to be stably fixed around the foundation pit through bolts and other connecting members to avoid displacement of the device during the measurement process and ensure the accuracy and stability of the measurement data.

[0030] Working principle: in use, 1) first install the device, the installation steps include the four corners of the bottom plate 100 are fixed by bolts and other connecting parts The device is firmly fixed around the foundation pit to avoid displacement of the device during measurement, ensuring the accuracy and stability of the measurement data. 2) Measure the height of the laser range finder 107, control the transmission shaft 10901 to rotate through the motor 10904, rotate through the meshing of the worm gear 10903 and the worm 10902, drive the rotating shaft 106 to rotate, and adjust the angle of the laser range finder 107. Thus, the depth of the foundation pit at different positions is measured by the laser range finder 107, and the measurement data of the laser range finder 107 is transmitted to the control panel 111. 3) At the same time, the angle sensor 108 monitors the rotation angle of the rotating shaft 106 in real time, and transmits the rotation angle to the control panel 111 in real time. 4) Through the wireless signal transceiver installed inside the control panel 111 on the side of the column, wireless data transmission is realized, the rotation angle monitored by the angle sensor 108 and the data measured by the laser range finder 107 are received, and the data is transmitted to the computer system. The angle sensor 108 monitors the rotation angle of the rotating shaft 106 in real time, and cooperates with the data measured by the laser range finder 107 to calculate the depth of the foundation pit at different positions more accurately, improve the measurement accuracy, and generate the 3D shape of the foundation pit on the computer. Effectively realize multi-angle monitoring of the depth of the foundation pit by the laser range finder 107, so as to realize real-time and accurate recording of the excavation depth of the foundation pit, and have high practical value. 5) The solar charging panel 104 at the top of the column converts solar energy into electrical energy and stores it in the lithium battery 110, realizes sustainable use of energy, reduces the use cost of the device, and reduces the dependence on traditional power supply, and is more energy-saving and environmentally friendly.

[0031] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed as above with reference to the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the technical solution of the present application, and any brief introduction, modification, equivalent change and modification of the above embodiment according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A real-time recording device for the excavation depth of a foundation pit, characterized in that: Including the bottom plate (100), the column (101) and the laser range finder (107), the column (101) bottom is fixed on the bottom plate (100), and the column (101) top end is provided with the extension arm (105), the extension arm (105) front end has the cavity (10501) inside, the cavity (10501) is provided with the angle adjusting mechanism (109), the rotating shaft (106) penetrates the extension arm (105) and is rotatable with the angle adjusting mechanism (109) cooperation, the rotating shaft (106) is exposed at both ends of the extension arm and is connected with the laser range finder (107) and the angle sensor (108) respectively, the angle adjusting mechanism (109) bottom end penetrates the extension arm (105) and is connected with the motor (10904), when the motor (10904) drives the angle adjusting mechanism (109) rotation, drives the rotating shaft (106) rotation, thereby adjusting the laser range finder (107) angle.

2. The real-time excavation depth recording device for foundation pits according to claim 1, characterized in that: The angle adjusting mechanism (109) includes the transmission shaft (10901) and the worm (10902), the worm (10902) is sleeved and fixed on the outside of the transmission shaft (10901), the rotating shaft (106) is provided with the worm wheel (10903), the worm (10902) is engaged with the worm wheel (10903), the transmission shaft (10901) top rotatable connection is in the cavity (10501) top, and the transmission shaft (10901) bottom penetrates the extension arm (105) and is connected with the motor (10904) output end.

3. The real-time excavation depth recording device for foundation pits according to claim 1 or 2, characterized in that: The control panel (111) is installed on the outside of the column, and the control panel (111) is provided with a wireless signal transceiver.

4. The real-time excavation depth recording device for foundation pits according to claim 3, characterized in that: The lithium battery (110) output end is connected with the angle sensor (108), the laser range finder (107), the control panel (111) and the motor (10904) through the wire respectively.

5. The real-time excavation depth recording device for foundation pits according to claim 4, characterized in that: The top of the column (101) is provided with a solar charging panel (104), the solar charging panel (104) is installed on the top of the column through the fixed rod (103), and the solar charging panel (104) is electrically connected with the lithium battery (110) through the charging circuit.

6. The real-time excavation depth recording device for foundation pits according to claim 1 or 2 or 4 or 5, characterized in that: A plurality of reinforcing blocks (102) are installed at the connection between the column (101) and the bottom plate (100).

7. The real-time excavation depth recording device for foundation pits according to claim 6, characterized in that: The four corners of the bottom plate (100) are provided with fixed holes (10001).