A precision detection instrument for construction engineering service

By using a fixed frame with a damping bearing and a rotating block, combined with elastic clamps and anti-slip limit components, and incorporating a built-in lithium battery and an independent charging interface, the problems of unstable fixation, limited angle adjustment, and battery life of laser rangefinders are solved, achieving high-precision, flexible, and stable construction engineering inspection.

CN224365506UActive Publication Date: 2026-06-16SHENZHEN HAICHENG CONSTR ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN HAICHENG CONSTR ENG CO LTD
Filing Date
2025-08-13
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing laser rangefinders used in construction engineering suffer from problems such as unstable mounting, limited angle adjustment, and inconvenient battery life and charging, which affect measurement accuracy and convenience.

Method used

The fixed frame, which uses a damping shaft seat and a rotating block, combined with elastic clamps and anti-slip limit components, enables 360° rotation and pitch adjustment. It has a built-in lithium battery and an independent charging interface to enhance the stability and battery life of the device.

Benefits of technology

It achieves high-precision, flexible and stable measurement, adapts to complex environments, improves measurement accuracy and convenience, and is suitable for long-term outdoor operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building engineering detection, and disclose a kind of building engineering service precision detection instrument, including fixed frame and with the portable laser ranging mechanism of fixed frame adaptation, the fixed frame includes damping shaft seat, the damping shaft seat bottom end is equipped with support rod, support rod is used to provide stable support for entire device, ensure that equipment does not sway in detection process, the rotating end of damping shaft seat top is fixedly connected with rotating block.The utility model is through the multidimensional rotation cooperation of damping shaft seat, rotating block and connecting frame, realize the flexible adjustment of laser ranging mechanism in horizontal 360 ° and pitch angle, adapt to the measurement demand of complex environment in building engineering.
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Description

Technical Field

[0001] This utility model relates to the field of building engineering testing technology, specifically a precision testing instrument for building engineering services. Background Technology

[0002] During the construction and acceptance of building projects, it is necessary to precisely inspect parameters such as the building's dimensions, spacing, and verticality to ensure that the project quality meets design standards. Laser rangefinders, as commonly used precision inspection tools, are widely used due to their high measurement accuracy and ease of operation.

[0003] However, existing laser rangefinders used in construction projects still have the following problems: traditional laser rangefinders are mostly handheld, and prolonged use can easily affect measurement accuracy due to hand tremors. They are also difficult to fix at a specific angle for continuous testing. The existing fixed brackets lack sufficient flexibility in angle adjustment and cannot meet the multi-directional measurement needs in complex building environments. The connection stability between the laser rangefinder and the fixed bracket is poor, and slippage or offset is prone to occur during measurement, leading to data errors. The battery life of some devices is limited, and the charging interface design is unreasonable, affecting the convenience of outdoor construction. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a precision testing instrument for building engineering services, which solves the problems of unstable fixing, limited angle adjustment, and inconvenient battery life and charging of traditional laser ranging equipment, and achieves high-precision, high-flexibility, and high-stability building engineering testing.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a precision testing instrument for building engineering services, comprising a fixed frame and a portable laser ranging mechanism adapted to the fixed frame.

[0008] The fixed frame includes a damping shaft seat with a support rod at its bottom. The support rod provides stable support for the entire device, ensuring that the equipment does not shake during the detection process. A rotating block is fixedly connected to the top rotating end of the damping shaft seat. Through the cooperation of the damping shaft seat and the rotating block, the fixed frame can be rotated 360° in the horizontal direction to adapt to measurement needs in different directions. The rotating block is rotatably equipped with a connecting frame, which allows the connecting frame to be tilted relative to the rotating block, further expanding the measurement range. An elastic clamp assembly is fixedly connected to the top of the connecting frame for quick fixing or disassembly of the convenient laser ranging mechanism.

[0009] The elastic clamp assembly includes two clamping blocks arranged symmetrically in an upper and lower configuration. The portable laser ranging mechanism is snapped between the two clamping blocks. The elastic structure enables the adaptive clamping of laser ranging devices of different thicknesses. An anti-slip limiting component is provided between the portable laser ranging mechanism and the two clamping blocks to enhance connection stability and prevent the device from sliding during measurement.

[0010] The portable laser ranging mechanism includes a laser rangefinder as the core measuring component. It has a built-in high-precision ranging chip that can achieve millimeter-level accuracy measurement. One end of the laser rangefinder is equipped with a ranging probe for emitting and receiving laser signals to complete distance detection. The laser rangefinder has a built-in lithium battery to provide long-lasting battery life and meet the needs of long-term outdoor operation. The other end of the laser rangefinder is equipped with a charging interface that matches its internal lithium battery, which facilitates charging the device through an external power source.

[0011] As a further improvement of this utility model: the laser rangefinder is provided with a control panel at the front end, and a display screen is provided on one side of the front end of the control panel for real-time display of measurement data and equipment status. On the other side of the front end of the control panel, multiple control buttons are arranged in a rectangular array, including a power button, a measurement mode switching button, a data storage button, etc., to facilitate operators to quickly adjust equipment parameters.

[0012] As a further improvement of this utility model: multiple heat dissipation slots are provided at equal intervals from top to bottom on the other end of the laser rangefinder, which accelerates the dissipation of heat inside the device through air convection, and avoids the measurement accuracy or damage to internal components due to excessive temperature caused by long-term operation.

[0013] As a further improvement of this utility model, the anti-slip limiting component includes anti-slip grooves arranged in an array at the top of the lower locking block, which increases the friction with the bottom of the laser rangefinder to prevent the device from sliding horizontally during the measurement process.

[0014] As a further improvement of this utility model, the anti-slip limiting component also includes two limiting sleeves that are symmetrically fixedly connected at the bottom of the upper locking block. The same limiting block is slidably engaged in the two limiting sleeves. The limiting block is fixedly connected to the middle of the top of the laser rangefinder. Through the cooperation of the limiting sleeves and the limiting block, the forward and backward displacement of the laser rangefinder is restricted, thereby further improving the connection stability.

[0015] As a further improvement of this utility model: the support rods are four in number and arranged at equal angles to form a stable quadrilateral support structure, which enhances the stability of the equipment on uneven ground. The two ends of the rotating block are fixedly connected to damping shafts. The lower side walls of the connecting frame are provided with damping shaft mounting holes for the damping shafts to rotate and assemble. The positioning at any angle can be achieved by the friction of the damping shafts without the need for additional locking devices.

[0016] As a further improvement of this utility model: the two card blocks are fixedly connected to the middle of their rear ends with buckles, the two buckles are arranged symmetrically in an upper and lower position, and the same rubber ring is sleeved on the outer side of the two buckles. Through the elastic tension of the rubber ring, the two buckles always maintain the clamping force on the card blocks, ensuring the clamping strength of the elastic clamping assembly.

[0017] As a further embodiment of this utility model: two sliding rods are symmetrically fixedly connected to the rear side of the bottom end of the upper block, and a sliding groove is provided between the upper and lower side walls of the lower block for the sliding rods to slide and assemble. The bottom ends of the two sliding rods are fixedly connected to the same stop block. The cooperation between the sliding rods and the sliding groove provides guidance for the relative movement of the two blocks and avoids misalignment. The stop block can prevent the sliding rods from falling out of the sliding groove.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. In this utility model, the laser ranging mechanism can be flexibly adjusted in 360° horizontally and in pitch angle through the multi-dimensional rotational cooperation of the damping bearing, rotating block and connecting frame, so as to meet the measurement needs of complex environments in construction engineering.

[0020] 2. In this utility model, the elastic clamp assembly, in conjunction with the anti-slip limiting assembly, can quickly load and unload the laser rangefinder, and ensure that it does not slip or deviate during the measurement process, thus effectively improving the measurement accuracy.

[0021] 3. In this utility model, the laser rangefinder has a built-in lithium battery and an independent charging interface, combined with a heat dissipation design, which takes into account the battery life, charging convenience and heat dissipation performance of the equipment, making it suitable for long-term outdoor operation. Attached Figure Description

[0022] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0023] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0024] Figure 3 This is a perspective view of the portable laser ranging mechanism of this utility model.

[0025] Figure 4 This is a three-dimensional view of the convenient laser ranging mechanism of this utility model.

[0026] In the diagram: 1. Damping shaft seat; 2. Support rod; 3. Rotating block; 4. Connecting frame; 5. Clamping block; 6. Portable laser rangefinder mechanism; 7. Buckle; 8. Rubber ring; 9. Limiting sleeve; 10. Sliding rod; 11. Stop block; 61. Laser rangefinder; 62. Limiting block; 63. Display screen; 64. Control button; 65. Heat dissipation slot; 66. Charging interface; 67. Rangefinder probe. Detailed Implementation

[0027] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0028] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] Please see Figures 1-4 In this embodiment of the utility model, a precision testing instrument for building engineering services includes a fixed frame and a portable laser ranging mechanism 6 adapted to the fixed frame.

[0031] The fixed frame includes a damping bearing 1, with a support rod 2 at the bottom of the damping bearing 1. The support rod 2 provides stable support for the entire device, ensuring that the equipment does not shake during the detection process. A rotating block 3 is fixedly connected to the rotating end of the top of the damping bearing 1. Through the cooperation between the damping bearing 1 and the rotating block 3, the fixed frame can be rotated 360° in the horizontal direction to adapt to measurement needs in different directions. A connecting frame 4 is rotatably mounted on the rotating block 3, allowing the connecting frame 4 to be tilted relative to the rotating block 3 to further expand the measurement range. An elastic clamp assembly is fixedly connected to the top of the connecting frame 4 for quick fixing or disassembly of the convenient laser ranging mechanism 6.

[0032] The elastic clamp assembly includes two clamping blocks 5 arranged symmetrically in an upper and lower position. A portable laser ranging mechanism 6 is snapped and assembled between the two clamping blocks 5. The elastic structure enables the adaptation and clamping of laser ranging devices of different thicknesses. An anti-slip limiting component is provided between the portable laser ranging mechanism 6 and the two clamping blocks 5 to enhance the connection stability and prevent the device from sliding during measurement.

[0033] The portable laser ranging mechanism 6 includes a laser rangefinder 61, which is the core measuring component. It has a built-in high-precision ranging chip that can achieve millimeter-level accuracy measurement. One end of the laser rangefinder 61 is equipped with a ranging probe 67, which is used to emit and receive laser signals to complete distance detection. The laser rangefinder 61 has a built-in lithium battery, which provides long-lasting battery life to meet the needs of long-term outdoor operation. The other end of the laser rangefinder 61 is equipped with a charging interface 66 that matches its internal lithium battery, which can be used to charge the device through an external power source.

[0034] The laser rangefinder 61 has a control panel at its front end. A display screen 63 is located on one side of the front end of the control panel to display measurement data and equipment status in real time. Multiple control buttons 64 are arranged in a rectangular array on the other side of the front end of the control panel, including a power button, a measurement mode switching button, a data storage button, etc., so that the operator can quickly adjust the equipment parameters.

[0035] The laser rangefinder 61 has multiple heat dissipation slots 65 arranged at equal intervals from top to bottom on the other end. These slots accelerate the dissipation of heat inside the device through air convection, preventing the measurement accuracy from being affected or the internal components from being damaged due to excessively high temperatures caused by prolonged operation.

[0036] The anti-slip limiting component includes anti-slip grooves arranged in an array at the top of the lower locking block 5, which increases the friction with the bottom of the laser rangefinder 61 to prevent the device from sliding horizontally during measurement.

[0037] The anti-slip limiting component also includes two limiting sleeves 9 that are symmetrically fixedly connected to the bottom of the upper locking block 5. The same limiting block 62 is slidably locked inside the two limiting sleeves 9. The limiting block 62 is fixedly connected to the middle of the top of the laser rangefinder 61. Through the cooperation of the limiting sleeves 9 and the limiting block 62, the forward and backward displacement of the laser rangefinder 61 is restricted, further improving the connection stability.

[0038] The support rods 2 are four in number and are arranged at equal angles to form a stable quadrilateral support structure, which enhances the stability of the equipment on uneven ground. The rotating block 3 is fixedly connected to the two ends of the damping shaft. The lower side walls of the connecting frame 4 are provided with damping shaft mounting holes for the damping shaft to rotate and assemble. The positioning at any angle can be achieved by the friction of the damping shaft, without the need for an additional locking device.

[0039] Two latches 5 are fixedly connected to the middle of their rear ends with latches 7. The two latches 7 are arranged symmetrically, and the same rubber ring 8 is sleeved on the outer side of the two latches 7. Through the elastic tension of the rubber ring 8, the two latches 7 always maintain the clamping force on the latches 5, ensuring the clamping strength of the elastic clamping assembly.

[0040] Two sliding rods 10 are symmetrically fixedly connected to the rear side of the bottom of the upper locking block 5. A sliding groove is provided between the upper and lower side walls of the lower locking block 5 for the sliding rods 10 to slide and assemble. The bottom ends of the two sliding rods 10 are fixedly connected to the same stop block 11. The cooperation between the sliding rods 10 and the sliding groove provides guidance for the relative movement of the two locking blocks 5 and avoids misalignment. The stop block 11 can prevent the sliding rods 10 from falling out of the sliding groove.

[0041] The working principle of this utility model is as follows: When in use, the device is turned on by the control button 64 on the control panel. The display screen 63 shows the current mode and parameters. After aligning with the target, press the measurement button. The ranging probe 67 emits a laser and receives the reflected signal. The laser rangefinder 61 calculates and displays the measurement data. If it is necessary to continuously monitor a certain parameter, the device position can be fixed by adjusting the angle. There is no need to hold it. The device has a built-in lithium battery that is charged through the charging interface 66. The heat generated during operation is dissipated through the heat dissipation slot 65. When not in use, the laser rangefinder 61 can be detached and carried separately to improve portability. Through the multi-dimensional angle adjustment structure of the fixed frame, the laser ranging probe 67 can be aligned with any target. The elastic clamp component and the anti-slip limit component work together to ensure that the laser rangefinder 61 is stable and without deviation during the measurement process. The laser rangefinder 61 processes the laser signal through the built-in chip and quickly outputs high-precision measurement data, which is displayed intuitively on the display screen 63. The lithium battery and heat dissipation design ensure that the device can operate stably for a long time on the construction site and meet the needs of precision testing.

[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A precision testing instrument for building engineering services, comprising a fixed frame and a portable laser ranging mechanism adapted to the fixed frame (6); Its features are: The fixed frame includes a damping shaft seat (1), the bottom end of which is provided with a support rod (2), the top rotating end of which is fixedly connected with a rotating block (3), the rotating block (3) is rotatably assembled with a connecting frame (4), and the top end of the connecting frame (4) is fixedly connected with an elastic clamp assembly. The elastic clamp assembly includes two locking blocks (5) arranged symmetrically in an upper and lower position. The portable laser ranging mechanism (6) is snapped between the two locking blocks (5). An anti-slip limiting component is provided between the portable laser ranging mechanism (6) and the two locking blocks (5). The portable laser ranging mechanism (6) includes a laser rangefinder (61), one end of which is provided with a ranging probe (67), the laser rangefinder (61) has a built-in lithium battery, and the other end of the laser rangefinder (61) is provided with a charging interface (66) matching its internal lithium battery.

2. The precision testing instrument for building engineering services according to claim 1, characterized in that: The laser rangefinder (61) has a control panel at its front end. A display screen (63) is provided on one side of the front end of the control panel, and multiple control buttons (64) are arranged in a rectangular array on the other side of the front end of the control panel.

3. The precision testing instrument for building engineering services according to claim 1, characterized in that: The laser rangefinder (61) has multiple heat dissipation slots (65) arranged at equal intervals from top to bottom on the other end.

4. The precision testing instrument for building engineering services according to claim 1, characterized in that: The anti-slip limiting component includes anti-slip grooves arranged in an array at the top of the lower locking block (5).

5. A precision testing instrument for building engineering services according to claim 1, characterized in that: The anti-slip limiting component also includes two limiting sleeves (9) that are symmetrically fixedly connected to the bottom of the upper locking block (5). The same limiting block (62) is slidably locked inside the two limiting sleeves (9). The limiting block (62) is fixedly connected to the middle of the top of the laser rangefinder (61).

6. A precision testing instrument for building engineering services according to claim 1, characterized in that: The support rods (2) are four in number and arranged at equal angles. The rotating block (3) is fixedly connected to the two ends of the damping shaft. The connecting frame (4) has damping shaft assembly holes on both sides below for the damping shaft to rotate and assemble.

7. A precision testing instrument for building engineering services according to claim 1, characterized in that: Two buckles (5) are fixedly connected to the middle of their rear ends with buckles (7). The two buckles (7) are arranged symmetrically from top to bottom, and the same rubber ring (8) is sleeved on the outer side of the two buckles (7).

8. A precision testing instrument for building engineering services according to claim 1, characterized in that: The upper block (5) has two slide rods (10) fixedly connected symmetrically to the rear side of its bottom end. The lower block (5) has a sliding groove between its upper and lower side walls for sliding assembly of the slide rods (10). The bottom ends of the two slide rods (10) are fixedly connected to the same stop block (11).