Magnetic type automatic steering prism
Patent Information
- Application Number
- CN202522743695.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-25
- Publication Date
- 2026-10-23
- Estimated Expiration
- 2035-12-25
AI Technical Summary
传统棱镜通常需要作业人员手动调整方向，或依赖棱镜杆的粗略对中，不仅操作繁琐、效率低下，而且在复杂地形或长距离测量时，难以保证最佳的反射面对准角度，可能导致信号丢失或测距误差增大
上述技术方案可以看出，本实用新型具有如下有益效果：本实用新型所述的一种磁吸式自动转向棱镜，通过信号传感器接收外部指令，驱动部可自动控制棱镜转向，使其始终对准全站仪，减少了人工干预，大大提高了测量作业的效率和自动化水平，保证了测量精度；棱镜部分通过磁力吸附与转动底座连接，并辅以卡槽卡件防转，实现了棱镜的快速安装、拆卸和更换，操作简单，连接稳固，便于维护和运输；将驱动和传动机构集成于防护安装架下的底座壳体内，结构紧凑，并由防护安装架提供侧向保护，提高了设备在野外复杂环境下的耐用性和可靠性；伸缩竖杆可适应不同高度需求，水准气泡便于整平，手动控制开关作为自动模式的有效补充，使得装置应用场景更加广泛。
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Figure CN224888939U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of engineering surveying instrument technology, specifically to a magnetic automatic steering prism. Background Technology
[0002] In total station surveying, the prism, as a cooperative target, needs to be precisely aligned with the total station to ensure the strength and accuracy of the measurement signal. Traditional prisms typically require manual adjustment of direction by the operator, or rely on coarse alignment using the prism rod. This is not only cumbersome and inefficient, but also makes it difficult to guarantee the optimal alignment angle of the reflecting surface in complex terrain or long-distance measurements, potentially leading to signal loss or increased distance measurement errors. Furthermore, frequent manual adjustments increase the workload of the operators. Utility Model Content
[0003] The purpose of this invention is to provide a magnetic automatic steering prism to solve the above problems. The prism can receive signals from the total station and automatically adjust the direction of the reflecting surface to achieve rapid and accurate alignment of the total station, thereby improving measurement efficiency and accuracy. It also features convenient installation and good stability.
[0004] Technical Solution: This utility model provides a magnetically attached automatic steering prism, comprising: a vertical rod, a protective mounting frame, a rotating base, and a magnetically attached prism. The vertical rod is a telescopic rod used to support the entire device and adapt to different measurement height requirements. Its lower end is preferably equipped with a control point for aligning the tip, facilitating precise alignment with ground measuring points. The protective mounting frame is a lateral protection frame located on the upper part of the vertical rod, used to protect the internal prism and rotating components from lateral impacts. A level bubble is preferably provided on the upper part of the protective mounting frame to assist in leveling the device. The rotating base is located at the bottom of the protective mounting frame and includes a housing, a drive unit, a transmission arm, and a rotating seat. The housing has a through hole at the top, and a mounting plate is provided on one side of the interior. The drive unit (such as a micro motor) is located inside the housing and fixed to the side wall of the housing on the other side of the mounting plate, with its output end facing downwards. The transmission arm is located below the drive unit, with one end connected to the output end of the drive unit. The lower end of the rotating seat is connected to the upper part of the other end of the transmission arm, and the rotating seat can... The magnetic prism is rotatably mounted on the mounting plate. The upper part of the rotating base is a magnetic rotating slot, which passes upward through the through hole in the upper part of the housing. The magnetic prism includes a prism and a magnetic mounting post. The prism is fixedly mounted on the side of the upper part of the magnetic mounting post. The magnetic mounting post can be inserted into the magnetic rotating slot and fixed by magnetic attraction. The drive unit drives the transmission arm to move, which can control the magnetic rotating slot to rotate around its axis, thereby driving the magnetic mounting post and the prism attracted in it to rotate together, realizing the control of the alignment direction of the prism.
[0005] Furthermore, in the aforementioned magnetic automatic steering prism, a signal sensor (such as an infrared receiver or a wireless signal receiving module) is provided on the outer wall of the housing aligned with the drive unit. This sensor receives control signals from the total station (or its controller) and then controls the drive unit to start, automatically rotating the prism to align with the total station.
[0006] Furthermore, in the aforementioned magnetic automatic steering prism, the transmission arm can be a linkage mechanism, specifically including a first arm, a second arm, and a third arm. One end of the first arm is connected to the output end of the drive unit, which controls its rotational movement. One end of the second arm is rotatably connected to the other end of the first arm via a rotating shaft. One end of the third arm is connected to the other end of the second arm, and the other end of the third arm is fixedly or coaxially connected to the lower part of the rotating seat. Since the mounting axis of the rotating seat and the mounting position of the drive unit are fixed relative to the housing, when the drive unit controls the first arm to rotate, it will drive the second arm to produce a pushing and pulling action, thereby forcing the third arm to swing around its connection point with the rotating seat, thus ultimately driving the rotating seat (and the magnetic rotating slot) to produce a rotational movement around its own axis.
[0007] Furthermore, in the aforementioned magnetic automatic steering prism, the outer periphery of the magnetic rotating slot is uniformly provided with several slots (such as limiting structures formed by grooves or protrusions), and a magnet is embedded at its bottom. Correspondingly, the outer periphery of the magnetic mounting post is provided with a locking element (such as a protrusion or groove) that matches the slot, and a magnet is also provided below it. The cooperation between the slot and the locking element can prevent the prism from sliding relative to the rotating seat when rotating, ensuring the reliability and accuracy of the transmission; while the mutual attraction of the magnets provides the main connecting force, making the installation and removal of the prism very convenient.
[0008] Furthermore, in the aforementioned magnetic automatic steering prism, a manual control switch is preferably provided on the upper part of the housing for manually triggering the drive unit to operate and controlling the rotation of the prism. As can be seen from the above technical solution, this utility model has the following beneficial effects: The magnetic automatic steering prism of this utility model receives external commands through a signal sensor, and the drive unit can automatically control the prism's steering to keep it aligned with the total station, reducing manual intervention, greatly improving the efficiency and automation level of measurement operations, and ensuring measurement accuracy; the prism is connected to the rotating base by magnetic adsorption and is supplemented by anti-rotation clips, realizing quick installation, disassembly, and replacement of the prism, which is simple to operate, has a stable connection, and is convenient for maintenance and transportation; the drive and transmission mechanisms are integrated into the base housing under the protective mounting frame, resulting in a compact structure, and the protective mounting frame provides lateral protection, improving the durability and reliability of the equipment in complex field environments; the telescopic vertical rod can adapt to different height requirements, the level bubble is easy to level, and the manual control switch serves as an effective supplement to the automatic mode, making the device applicable to a wider range of scenarios. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of a magnetic automatic steering prism according to the present invention; Figure 2 This is a schematic diagram of the protective mounting bracket of this utility model; Figure 3 This is a schematic diagram of the rotating base of this utility model; Figure 4 This is a schematic diagram of the interior of the rotating base of this utility model; Figure 5 This is a schematic diagram of the interior of the casing of this utility model; Figure 6 This is a schematic diagram of the magnetic prism of this utility model.
[0010] In the diagram: 1. Vertical rod; 11. Control point aligned with tip; 2. Protective mounting bracket; 21. Level bubble; 3. Rotating base; 31. Housing; 311. Mounting plate; 312. Manual control switch; 32. Drive unit; 321. Signal sensor; 33. Transmission arm; 331. First arm; 332. Second arm; 333. Third arm; 34. Rotating seat; 341. Magnetic rotating slot; 342. Slot; 4. Magnetic prism; 41. Prism; 42. Magnetic mounting post; 421. Clip. Detailed Implementation
[0011] Example
[0012] like Figure 1-6The magnetically attached automatic steering prism shown includes: a vertical rod 1, a protective mounting bracket 2, a rotating base 3, and a magnetically attached prism 4. The vertical rod 1 adopts a lockable telescopic rod structure, which can adjust the overall height according to the height requirements of the measurement point. The bottom end of the vertical rod 1 is equipped with a metal control point for aligning the tip 11, which facilitates precise penetration into the ground or alignment with the measurement marker. The protective mounting bracket 2 is fixedly installed on the top of the vertical rod 1 via connectors. It is a ring or semi-enclosed frame, mainly protecting the internal prism 41 and rotating base 3 from the side. A spirit level 21 is embedded in the center of the top plane of the protective mounting frame 2 to assist the operator in adjusting the vertical rod 1 to a vertical position when placing the equipment. The rotating base 3 includes a housing 31, a drive unit 32, a transmission arm 33, and a rotating seat 34. The housing 31 is fixed to the center of the bottom of the protective mounting frame 2. A vertical mounting plate 311 is welded or bolted to one side of the inside of the housing 31. A miniature stepper motor, as the drive unit 32, is fixed to the other side of the mounting plate 311 inside the housing 31 by a bracket. Its output shaft points vertically downward. A signal sensor 321 is installed on the outside of the housing 31, directly opposite the drive unit 32. In this embodiment, an infrared receiver is used to receive the coded infrared signal emitted by the total station. A manual control switch 312 is also provided on the top of the housing 31. The transmission arm 33 is located below the drive unit 32, with one end connected to the output end. The lower end of the rotating seat 34 is connected to the top of the other end of the transmission arm 33. The rotating seat 34 is mounted on the mounting plate 311, and the upper part of the rotating seat 34 is a magnetic rotating slot 341. 341 is disposed through the upper through hole of the housing 31; the magnetic prism 4 includes a prism 41 and a magnetic mounting post 42. The prism 41 is fixedly mounted on the side of the upper part of the magnetic mounting post 42. The magnetic mounting post 42 can be inserted into the magnetic rotating slot 341 and fixed by magnetic attraction. The drive arm 33 is moved by the drive unit 32, which can control the magnetic rotating slot 341 to rotate around its axis, thereby driving the magnetic mounting post 42 and the prism 41 adsorbed in it to rotate together, so as to control the alignment direction of the prism 41.
[0013] like Figure 4 The magnetic automatic steering prism shown has a transmission arm 33 located below the drive unit 32. Specifically, it is formed by hinged first arm 331, second arm 332, and third arm 333 via a pivot. The upper end of the first arm 331 is fixedly connected to the output shaft of the drive unit 32. The upper end of the second arm 332 is hinged to the lower end of the first arm 331. The short side of the third arm 333 is hinged to the lower end of the second arm 332, and its long side is fixedly connected to the lower end of the rotating seat 34. The rotating seat 34 is vertically mounted on the mounting plate 311 via bearings and can rotate freely.
[0014] In this embodiment, a strong magnet (such as a neodymium iron boron magnet) is embedded at the bottom of the magnetic rotating slot 341, and multiple evenly distributed vertical slots 342 are processed around its cylindrical inner wall.
[0015] like Figure 6 The magnetically attached automatic steering prism shown has a magnetically attached mounting post 42 that is typically made of metal. The outer periphery of the magnetically attached mounting post 42 is provided with a clip 421 that matches the slot 342, and a magnet is provided below the magnetically attached mounting post 42.
[0016] Working principle: When needed, first place the vertical rod 1 at the measuring point and level it using the bubble level 21. Then, align the magnetic mounting post 42 of the magnetic prism 4 with the magnetic rotating slot 341 of the rotating base 3 and lower it. Under the action of magnetic force, the two quickly attract each other, and the clip 421 slides into the slot 342, completing the installation. The prism 41 will not rotate freely relative to the rotating base 34. The operator only needs to position the magnetic prism 4 roughly towards the direction of the total station. In automatic mode, when the total station needs to measure this prism, it will emit an coded infrared signal with angle information in the approximate direction. After receiving the signal, the signal sensor 321 transmits it to the built-in control circuit (not shown in the figure, but can be placed inside the housing 31). After the control circuit calculates the signal, it drives the prism. When the stepper motor (drive unit 32) operates, it drives the first arm 331 to rotate. Through the linkage mechanism consisting of the first arm 331, the second arm 332, and the third arm 333, the rotational motion of the motor is converted into a rotational drive for the rotating base 34. This causes the rotating base 34 to rotate the magnetic rotating slot 341 on it and the entire magnetic prism 4 attached to it until the mirror surface of the prism 41 is facing the total station. After alignment, the total station can perform accurate measurements. In manual mode or when the automatic signal fails, the operator can press the manual control switch 312 to control the prism 41 to rotate at a small angle by jogging or a preset program. After the measurement is completed, the magnetic prism 4 can be pulled out of the magnetic rotating slot 341 by simply exerting upward force for separation and carrying.
[0017] It should be noted that the above description is merely a technical solution of the utility model and not a limitation. Although the present utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of the utility model without departing from the scope of the present utility model, and all such modifications and substitutions should be covered within the scope of the claims of the present utility model.
Claims
1. A magnetically attached automatic steering prism, characterized in that: include: Vertical rod (1), wherein the vertical rod (1) is a telescopic rod; The protective mounting frame (2) is a lateral protection frame and is set on the upper part of the vertical rod (1); Rotating base (3), the rotating base (3) is set at the bottom of the protective mounting frame (2), including housing (31), drive unit (32), transmission arm (33), rotating seat (34), the housing (31) has a through hole at the top, and an mounting plate (311) is set on one side inside the housing. The drive unit (32) is set inside the housing (31) and is connected to the side wall of the mounting plate (311) on the other side inside the housing (31), with the output end facing down. The transmission arm (33) is set below the drive unit (32) and one end is connected to the output end. The lower end of the rotating seat (34) is connected above the other end of the transmission arm (33). The rotating seat (34) is set on the mounting plate (311). The upper part of the rotating seat (34) is a magnetic rotating slot (341). The magnetic rotating slot (341) is set through the through hole at the top of the housing (31). A magnetic prism (4) includes a prism (41) and a magnetic mounting post (42). The prism (41) is fixed on the upper side of the magnetic mounting post (42). The magnetic mounting post (42) is inserted into the magnetic rotating slot (341). The drive unit (32) drives the transmission arm (33) to move, controls the magnetic rotating slot (341) to rotate, thereby driving the magnetic mounting post (42) to rotate and controlling the alignment direction of the prism (41).
2. The magnetic automatic steering prism according to claim 1, characterized in that: The lower end of the vertical rod (1) is provided with a control point to align with the tip (11).
3. A magnetically attached automatic steering prism according to claim 1, characterized in that: A level bubble (21) is provided on the upper part of the protective mounting frame (2).
4. A magnetically attached automatic steering prism according to claim 1, characterized in that: A manual control switch (311) is provided on the top of the housing (31). Pressing the switch will manually control the rotation of the prism (41).
5. A magnetically attached automatic steering prism according to claim 1, characterized in that: A signal sensor (321) is provided on the outer wall of the housing (31) aligned with the drive unit (32) to receive signals from the total station, control the drive unit (32) to start, and rotate the prism (41) to the position aligned with the total station.
6. A magnetically attached automatic steering prism according to claim 1, characterized in that: The transmission arm (33) includes a first arm (331), a second arm (332), and a third arm (333). One end of the first arm (331) is connected to the drive unit (32) to control the rotation of the first arm (331). One end of the second arm (332) is rotatably connected to the other end of the first arm (331). One end of the third arm (333) is connected to the other end of the second arm (332). The other end of the third arm (333) is connected to the rotating seat (34). Since the rotating seat (34) and the drive unit (32) are fixed, the drive unit (32) controls the first arm (331) to rotate, thereby driving the second arm (332) to perform a push-pull action, so that the third arm (333) rotates around the position connected to the rotating seat (34), thereby controlling the rotation of the rotating seat (34).
7. A magnetically attached automatic steering prism according to claim 1, characterized in that: The magnetic rotating slot (341) has several slots (342) evenly arranged on its outer periphery, and a magnet is provided at the bottom of the magnetic rotating slot (341).
8. A magnetically attached automatic steering prism according to claim 1, characterized in that: The magnetic mounting post (42) is provided with a card (421) that matches the card slot (342) on its outer periphery, and a magnet is provided below the magnetic mounting post (42).