Small-area land measuring device
By designing a small-area land surveying device and utilizing components such as folding brackets, insertion poles, lifting poles, and pressure sensors, the problem of low efficiency and large errors of traditional surveying tools in complex terrain has been solved, achieving fast and accurate measurement results.
Patent Information
- Application Number
- CN202520466244.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Traditional surveying tools are inefficient and prone to large errors in small, complex terrains, especially in hilly, terraced, and gravelly areas, where they fail to meet the need for rapid and accurate measurements.
A small-area land measurement device was designed, including a folding bracket, a measuring ruler, a stake, a lifting rod, and a pressure sensor. The measuring ruler is fixed by the folding bracket, the stake marks the boundaries of the plot, the lifting rod automatically adjusts its height to keep it horizontal, the pressure sensor controls the measurement accuracy, and a cable management tube prevents accidental sensor activation. The surface of the measuring ruler is coated with a luminescent material to improve readability.
It enables single-person rapid marking of plot corners, adapts to complex terrain, improves measurement efficiency and accuracy, is suitable for coordinate acquisition and area calculation of polygonal plots, and enhances the operability of the device in low-light environments.
Smart Images
Figure CN223869995U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of land exploration, and in particular to a small-area land surveying device. Background Technology
[0002] In scenarios such as small-scale construction projects or land registration, there is an increasing demand for rapid and accurate area measurement of complex, small-area terrains such as hills, terraces, and gravel areas. Traditional surveying tools, such as measuring tapes, rangefinders, or total stations, have shortcomings in practical applications.
[0003] For example, measuring tapes require multiple people to straighten and fix them, especially when measuring irregular terrain. Frequent movement and adjustments can lead to low measurement efficiency and errors. Using a total station requires unobstructed line of sight between the station and the target point, which is difficult to achieve in areas with dense vegetation or building obstructions, leading to measurement interruptions or frequent adjustments to the point. Furthermore, professional personnel are required to complete the instrument setup, aiming, and data recording steps, resulting in low operational efficiency. Rangefinders require strict alignment with the target point, and in complex terrain, measurement failures are easily caused by obstructions or reflective surfaces. They also cannot directly adapt to surface undulations. Utility Model Content
[0004] The purpose of this invention is to provide a small-area land surveying device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a small-area land measurement device, comprising a folding bracket, a measuring ruler rotatably mounted on the folding bracket, the folding bracket being used to fix the position of the measuring ruler, and an insertion rod connected to one end of the measuring ruler and capable of being inserted into the ground; by moving the insertion rod, the distance from the insertion rod to the measuring ruler can be obtained.
[0006] Preferably, a lifting rod is also provided between the measuring ruler and the folding bracket, and a pressure sensor is provided around the measuring ruler. During measurement, the lifting rod is controlled to rise and fall by the contact between the measuring ruler and the pressure sensor, so that the height of the measuring ruler is always consistent with the height of the insertion rod.
[0007] Preferably, the measuring ruler includes a ruler housing fixedly mounted on the folding bracket, and a measuring tape disposed within the ruler housing; the cross-section of the measuring tape is circular or near-circular.
[0008] Preferably, the measuring ruler is further provided with a cable management tube, the cable management tube including a tube body disposed on one side of the measuring ruler, a cable management block fixedly disposed in the tube body, a cable management hole opened on the cable management block, and a chamfer opened at the end of the cable management hole; the shape and size of the cable management hole are the same as the cross-section of the measuring ruler.
[0009] Preferably, the measuring ruler is connected to the cable management cylinder via a thread.
[0010] Preferably, the insertion rod includes a rod body connected to the measuring ruler, and a pointed rod slidably disposed in the rod body; the rod body and the pointed rod are connected by a limiting block.
[0011] Preferably, at least one connecting rod is provided between the rod body and the pointed rod, and the connecting rod is connected to the pointed rod and the rod body respectively through a limiting block.
[0012] Preferably, the measuring tape is provided with luminescent material.
[0013] The beneficial effects of this utility model are:
[0014] By fixing the measuring ruler with a folding bracket and combining it with a movable pole, a single person can quickly mark the corners of a plot of land and collect coordinate information. Compared to traditional measuring tapes that require multiple people to straighten or total stations that rely on a professional team, this device can be operated by a single person to quickly complete the coordinate collection and area calculation of polygonal plots, improving measurement efficiency.
[0015] A lifting rod and pressure sensor are added between the measuring ruler and the folding bracket. The height of the rod can be adjusted according to the undulation of the ground, ensuring that the measuring ruler is always horizontally aligned with the reference point of the rod. When measuring uneven terrain, the measuring tape triggers a pressure signal, causing the lifting rod to adjust automatically, ensuring the accuracy of the measurement data. This method is suitable for surveying complex terrain.
[0016] The tape measure surface is equipped with luminescent material, which allows for clear readings even in low-light environments or at night, improving the operability and applicability of the measurement and making the device suitable for more measurement scenarios.
[0017] Traditional measuring tapes may accidentally trigger the pressure sensor during retraction or extension due to angle issues, affecting measurement data. This device adds a cable management cylinder structure between the tape measure outlet and the pressure sensor, ensuring the tape measure is straightened as it passes through the cable management block, preventing accidental triggering and improving measurement accuracy. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the overall structure of a small-area land surveying device according to an embodiment of the present invention;
[0020] Figure 2This is a schematic diagram of the insertion rod structure of a small-area land surveying device according to an embodiment of the present invention;
[0021] Figure 3 This is a schematic diagram of the cable management cylinder structure of a small-area land surveying device according to an embodiment of the present invention;
[0022] Figure label:
[0023] Folding bracket (100); measuring ruler (101); insertion rod (102); lifting rod (103); pressure sensor (104); ruler housing (101a); measuring tape (101b); rod body (102a); pointed rod (102b); connecting rod (102c); limiting component (102d); cable management tube (105); tube body (105a); cable management block (105b); cable management hole (105c); chamfer (105d). Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.
[0025] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar words used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0026] like Figures 1 to 3As shown in the specific embodiment of this utility model, a small-area land surveying device is provided, comprising a folding bracket 100, a measuring ruler 101 rotatably mounted on the folding bracket 100, the folding bracket 100 for fixing the position of the measuring ruler 101, and an insertion rod 102 connected to one end of the measuring ruler 101 and capable of being inserted into the ground; moving the insertion rod 102 allows the distance between the insertion rod 102 and the measuring ruler 101 to be obtained. In this embodiment, the folding bracket 100 adopts a tripod structure, with the legs unfolded via hinges and the angle fixed by a locking knob after unfolding. The measuring ruler 101 is connected to the top of the bracket via a rotating shaft, enabling 360° horizontal rotation. The insertion rod 102 is connected to the free end of a measuring tape 101b, and the tapered tip of the insertion rod 102 can be inserted into the ground. During measurement, the bracket is unfolded and placed at the center of the plot, the measuring ruler 101 is rotated and the insertion rod 102 is pulled to the boundary of the plot, and the boundary coordinates can be calculated by reading the length pulled out of the measuring tape 101b and using trigonometric functions.
[0027] Furthermore, to make the measured data more accurate, a lifting rod 103 is also provided between the measuring ruler 101 and the folding bracket 100. Pressure sensors 104 are arranged around the measuring ruler 101. During measurement, the lifting rod 103 is raised or lowered by the contact between the measuring ruler 101 and the pressure sensors 104, so that the height of the measuring ruler 101 is always consistent with the height of the insertion rod 102. In this embodiment, the lifting rod 103 is an electric push rod structure, and the pressure sensors 104 are distributed in a ring around the opening of the ruler shell 101a. When the measuring tape 101b contacts the pressure sensor 104 and generates a certain pressure, it triggers the lifting rod 103 to rise or fall. In specific implementation, after the insertion rod 102 is inserted into the ground, it pulls the measuring tape 101b to a taut state. At this time, the measuring tape 101b contacts the pressure sensor 104 and generates a certain pressure. The lifting rod 103 automatically raises or lowers the bracket to reduce the pressure, thereby ensuring that the height of the measuring ruler 101 is always consistent with the height of the insertion rod 102.
[0028] Furthermore, the measuring ruler 101 includes a ruler shell 101a fixedly mounted on the folding bracket 100, and a measuring tape 101b disposed within the ruler shell 101a; the measuring tape 101b has a circular or near-circular cross-section. The measuring ruler 101 also includes a cable management tube 105, which includes a tube body 105a disposed on one side of the measuring ruler 101, a cable management block 105b fixedly mounted within the tube body 105a, a cable management hole 105c opened on the cable management block 105b, and a chamfer 105d opened at the end of the cable management hole 105c; the shape and size of the cable management hole 105c are the same as the cross-section of the measuring ruler 101. In this embodiment, the tape measure 101b is designed with a near-circular cross-section that precisely matches the guide hole of the cable management tube 105. The cable management tube 105 is mainly used to optimize the guide path of the tape measure 101b, preventing it from deviating or changing angle when extending from the casing 101a, thus avoiding accidental activation of the pressure sensor 104 located at the outlet. Specifically, since the tape measure 101b is wound and stored inside the casing 101a, its outlet direction may deviate from the measurement direction, causing the unextended portion to accidentally contact and trigger the sensor. To solve this problem, the cable management tube 105 includes a cable management block 105b and a tube body 105a. The tape measure 101b first passes through the cable management hole 105c on the cable management block 105b, adjusting it to a state without angular deviation under the constraint of the cable management block 105b, and then passes through the outlet on the tube body 105a, thereby ensuring that the tape measure 101b always extends in a fixed direction.
[0029] Furthermore, the measuring scale 101 and the cable tray 105 are connected by threads. The threaded connection uses an external thread at the end of the measuring scale 101 and an internal thread inside the body 105a of the cable tray 105, ensuring a secure connection and facilitating disassembly and maintenance. An anti-loosening rubber ring is provided at the threaded interface to ensure a stable connection that is not easily loosened during long-term use. Additionally, to improve overall sealing, a sealing gasket is provided at the threaded connection to prevent dust or impurities from entering the scale housing 101a and affecting the operation of the measuring tape 101b.
[0030] As one embodiment of this utility model, such as Figure 2 As shown, the insertion rod 102 includes a rod body 102a and a pointed rod 102b. One end of the rod body 102a is connected to the measuring ruler 101, and the pointed rod 102b is slidably disposed at the other end. The rod body 102a and the pointed rod 102b are connected by a limiting block 102d to prevent the pointed rod 102b from completely disengaging or shifting.
[0031] Furthermore, at least one connecting rod 102c is provided between the rod body 102a and the pointed rod 102b. One end of the connecting rod 102c is connected to the pointed rod 102b via a limiting block 102d, and the other end is connected to the rod body 102a via a limiting block 102d, giving the insertion rod 102 a multi-stage telescopic function. The limiting block 102d adopts a snap-fit structure or a spring locking mechanism, which ensures a stable connection and facilitates adjustment of the length of the insertion rod 102.
[0032] As one embodiment of this utility model, at least a portion of the measuring tape 101b is provided with luminescent material to provide clear scale display in low-light environments or when used at night, thereby improving readability.
[0033] Furthermore, the luminescent material can be a luminescent coating, a luminescent film, or an embedded luminescent strip. It is preferred to use non-toxic and environmentally friendly rare earth luminescent materials (such as zinc sulfide and strontium aluminum luminescent powder), which have the characteristics of high brightness, long afterglow, and wear resistance to ensure that they maintain good luminescence during long-term use.
[0034] Working principle:
[0035] The measuring ruler 101 (measuring tape) adopts a circular or near-circular cross-section to ensure smooth extension. Since the outlet of the measuring tape 101b and the position of the measuring tape 101b inside the casing 101a are not on the same straight line, direct extension may accidentally trigger the pressure sensor 104, resulting in measurement errors.
[0036] A cable management spool 105 (anti-accidental contact guide structure) is installed at the outlet of the measuring tape 101b. Before being pulled out, the measuring tape 101b passes through the cable management block 105b, ensuring it is pulled out in a straight line without angular deviation. The size of the cable management hole 105c matches the measuring tape 101b to ensure it does not wobble when passing through. This design prevents accidental contact with the pressure sensor 104 when the measuring tape 101b is pulled directly out of the casing 101a, thus improving measurement accuracy.
[0037] The insertion rod 102 (auxiliary fixing structure) consists of a rod body 102a, a sliding tip rod 102b, and a connecting rod 102c. Its length can be adjusted to adapt to different measurement environments. The sliding is controlled by the limiting block 102d to ensure stability and prevent shaking during the measurement process, thereby improving accuracy.
[0038] The surface of the 101b measuring tape is coated with a luminescent material (auxiliary reading), which allows the device to be clearly read at night or in low-light environments, improving ease of use.
[0039] Working process: Pull out the measuring tape (101b) → pass it through the cable management block (105b) (adjust the direction) → pull it out from the cable management tube (105) outlet → measure and read the value.
[0040] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.
[0041] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A small-area land surveying device, characterized in that, Includes a folding bracket (100), a measuring ruler (101) rotatably mounted on the folding bracket (100), the folding bracket (100) for fixing the position of the measuring ruler (101), and a plug (102) connected to one end of the measuring ruler (101) and capable of being inserted into the ground. By moving the insertion rod (102), the distance from the insertion rod (102) to the measuring ruler (101) can be obtained; A lifting rod (103) is also provided between the measuring ruler (101) and the folding bracket (100). A pressure sensor (104) is provided around the measuring ruler (101). During measurement, the lifting rod (103) is controlled to rise and fall by contact between the measuring ruler (101) and the pressure sensor (104), so that the height of the measuring ruler (101) is always consistent with the height of the insertion rod (102).
2. The small-area land surveying device according to claim 1, characterized in that, The measuring ruler (101) includes a ruler shell (101a) fixedly mounted on the folding bracket (100) and a measuring tape (101b) disposed in the ruler shell (101a). The cross-section of the measuring tape (101b) is circular or near-circular.
3. The small-area land surveying device according to claim 2, characterized in that, The measuring ruler (101) is also provided with a cable management tube (105). The cable management tube (105) includes a tube body (105a) provided on one side of the measuring ruler (101), a cable management block (105b) fixedly provided in the tube body (105a), a cable management hole (105c) opened on the cable management block (105b), and a chamfer (105d) opened at the end of the cable management hole (105c). The shape and size of the wire hole (105c) are the same as the cross-section of the measuring ruler (101).
4. The small-area land surveying device according to claim 3, characterized in that, The measuring ruler (101) and the cable management tube (105) are connected by threads.
5. The small-area land surveying device according to claim 1, characterized in that, The insertion rod (102) includes a rod body (102a) connected to the measuring ruler (101) and a pointed rod (102b) slidably disposed in the rod body (102a). The rod body (102a) and the pointed rod (102b) are connected by a limiting block (102d).
6. The small-area land surveying device according to claim 5, characterized in that, At least one connecting rod (102c) is provided between the rod body (102a) and the pointed rod (102b), and the connecting rod (102c) is connected to the pointed rod (102b) and the rod body (102a) respectively through the limiting block (102d).
7. The small-area land surveying device according to claim 2, characterized in that, The measuring tape (101b) is provided with luminescent material.