A tracking reticle
By introducing a fast tracking and fine-tuning mechanism into the tracking line marker, combined with main power supply and hidden photoelectric sensors, the problems of long time consumption and complex power supply in the existing technology are solved, realizing fast and accurate target tracking and simplifying the power supply method, thus improving the environmental adaptability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU LAISAI LASER ENG CO LTD
- Filing Date
- 2025-09-29
- Publication Date
- 2026-07-24
AI Technical Summary
Existing tracking line markers are time-consuming during automatic tracking and have complex motor power supply methods, requiring separate power supplies, wireless power supplies, or slip rings and other components.
It employs a rapid tracking mechanism and a fine-tuning mechanism, including a first motor driving the rotating chassis and rotating support to rotate synchronously, combined with a second motor driving the rotating chassis to rotate slowly through nuts and guide rods. It is powered by the host power supply and uses hidden photoelectric sensors to improve environmental adaptability.
It achieves rapid and accurate tracking of target location and simplifies motor power supply, avoiding the need for a separate power supply or wireless power supply, and improving the environmental adaptability of the equipment.
Smart Images

Figure CN224552400U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of engineering surveying instruments, specifically to a tracking line marker. Background Technology
[0002] Existing tracking road marking devices include an instrument body and a base. The base is equipped with a motor for driving the rotation of the instrument body. The instrument body is equipped with a laser module and a main power supply. When used together with a matching remote control, the tracking road marking device has an automatic tracking function. In operation, the tracking road marking device and the remote control are first paired and connected. The remote control is placed in a fixed position. The laser module of the instrument body emits at least one vertical laser surface, which projects a laser line onto the object. When the automatic tracking button on the remote control is pressed, the motor starts to drive the instrument body to rotate. When the photoelectric position sensor on the remote control senses that the laser line is located at the target position, the instrument body stops rotating. At this time, the tracking road marking device completes the automatic tracking function.
[0003] Existing tracking-type road marking devices have the following problems: 1. During automatic tracking, the motor drives the instrument body to rotate slowly, requiring a considerable amount of time to align the laser line with the target position. 2. The motor of the tracking-type road marking device requires a separate power supply. If it needs to be powered by the main unit's power supply, wireless power supply or components such as slip rings are required to power the motor. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a tracking line marker that can quickly and accurately track the target position.
[0005] To solve the above-mentioned technical problems, this utility model provides a tracking line marker, including a base, a rotating chassis and a rotating support arranged vertically above the base, the rotating support being located above the rotating chassis, an instrument body mounted on the rotating chassis, a laser module mounted on the instrument body, a rapid tracking mechanism between the rotating support and the base, the rapid tracking mechanism including a first motor vertically mounted on the rotating support, a first gear at the output end of the first motor, a second gear meshing with the first gear on the top surface of the base, the center line of the second gear coinciding with the rotation center line of the rotating support, a fine-tuning mechanism between the rotating chassis and the rotating support, the fine-tuning mechanism including a cylinder mounted on the rotating support and extending along the tangent direction of the rotating support, a second motor mounted inside the cylinder, a screw connected to the output end of the second motor, a nut threaded onto the screw, the nut slidingly fitted inside the cylinder, a guide rod vertically mounted at the end of the nut away from the second motor, a groove formed on the rotating chassis, the end of the guide rod away from the nut slidingly fitted within the groove.
[0006] Furthermore, a fixed shaft is vertically provided on the top surface of the base, and the rotating chassis and the rotating bracket are respectively rotatably mounted on the fixed shaft via bearings.
[0007] Furthermore, the extension direction of the slide groove is perpendicular to the axial direction of the nut, and a spring is provided between the rotating bracket and the rotating chassis; when the second motor drives the rotating chassis to rotate slowly, the guide rod slides smoothly in the slide groove, and the rotating chassis is not prone to jamming or not rotating.
[0008] Furthermore, the instrument body is equipped with a main power supply, and the first motor and the second motor are electrically connected to the main power supply respectively; the first motor drives the rotating chassis and the rotating bracket to rotate synchronously at a slow speed, thereby driving the instrument body to rotate. When the main power supply, the first motor, and the second motor are relatively fixed, the first motor and the second motor can be directly powered by the main power supply, without the need to set up a separate power supply, wireless power supply, or set up slip rings or other components to power the motors.
[0009] Furthermore, the limit position sensor of the first motor is a photoelectric sensor, which is hidden and unaffected by ambient light, thus improving the environmental adaptability of the tracking line marker.
[0010] The beneficial effects of this utility model are as follows: During operation, the tracking line marker and the remote control are first paired and connected. The remote control is placed in a fixed position. The laser module of the instrument body emits at least one vertical laser surface, which projects a laser line onto the object. When the automatic tracking button on the remote control is pressed, the first motor drives the first gear to rotate rapidly around the second gear, causing the rotating base and rotating support to rotate synchronously. The rotating base drives the instrument body to rotate. When the laser line enters the sensing range of the photoelectric position sensor on the remote control, the first motor stops working. The second motor drives the nut to move slowly inside the cylinder, causing the guide rod to slide in the slide groove, thereby driving the rotating base to rotate slowly (at this time, the rotating support is fixed). The rotating base drives the instrument body to rotate. When the photoelectric position sensor on the remote control senses that the laser line is at the target position, the instrument body stops rotating. At this time, the tracking line marker completes the automatic tracking function. This new tracking line marker can quickly and accurately track the target position. Attached Figure Description
[0011] To clearly illustrate the innovative principle of this utility model and its advantages over existing tracking line markers, possible embodiments are described below with the aid of accompanying drawings through non-limiting examples applying the stated principle. In the drawings: Figure 1 This is a schematic diagram of a tracking line marker according to the present invention; Figure 2 This is a perspective view of the rotating chassis, rotating support, rapid tracking mechanism, and fine-tuning mechanism. Figure 3 for Figure 2 Top view; Figure 4 This is a perspective view of the rotating support, the rapid tracking mechanism, and the fine-tuning mechanism. Detailed Implementation
[0012] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.
[0013] Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this invention.
[0014] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this new embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0015] In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixation," etc., should be interpreted broadly. For example, "fixation" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Example
[0016] like Figure 1-4 This embodiment of a tracking line marker includes a base 1. A rotating chassis 2 and a rotating support 3 are arranged vertically above the base 1. The rotating support 3 is located above the rotating chassis 2. An instrument body 4 is mounted on the rotating chassis 2, and a laser module is mounted on the instrument body 4. A rapid tracking mechanism is provided between the rotating support 3 and the base 1. The rapid tracking mechanism includes a first motor 5 vertically mounted on the rotating support 3. A first gear 6 is provided at the output end of the first motor 5. A second gear 7 meshes with the first gear 6 on the top surface of the base 1. The centerline coincides with the rotation centerline of the rotating support 3. A fine-tuning mechanism is provided between the rotating base 2 and the rotating support 3. The fine-tuning mechanism includes a cylindrical body 8 located on the rotating support 3 and extending along the tangent direction of the rotating support 3. A second motor 9 is provided inside the cylindrical body 8. The output end of the second motor 9 is connected to a screw. A nut 10 is threaded onto the screw. The nut 10 is slidably fitted inside the cylindrical body 8. A guide rod 11 is vertically provided at the end of the nut 10 away from the second motor 9. A sliding groove 12 is provided on the rotating base 2. The end of the guide rod 11 away from the nut 10 is slidably fitted in the sliding groove 12.
[0017] Preferably, a fixed shaft 13 is vertically provided on the top surface of the base 1, and the rotating chassis 2 and the rotating bracket 3 are respectively rotatably mounted on the fixed shaft 13 via bearings.
[0018] Preferably, the extension direction of the slide groove 12 is perpendicular to the axial direction of the nut 10, and a spring 14 is provided between the rotating bracket 3 and the rotating base 2; when the second motor 9 drives the rotating base 2 to rotate slowly, the guide rod 11 slides smoothly in the slide groove 12, and the rotating base 2 is not prone to jamming and not rotating.
[0019] Preferably, the instrument body 4 is equipped with a main power supply, and the first motor 5 and the second motor 9 are electrically connected to the main power supply respectively. The first motor 5 drives the rotating chassis 2 and the rotating bracket 3 to rotate synchronously at a slow speed, so that when the instrument body 4 rotates, the main power supply, the first motor 5, and the second motor 9 are relatively fixed. Therefore, the first motor 5 and the second motor 9 can be directly powered by the main power supply, without the need to set up a separate power supply, wireless power supply, or set up slip rings or other components to power the motors.
[0020] Preferably, the limit position sensor of the first motor 5 is a photoelectric sensor. This photoelectric sensor is hidden and is not affected by ambient light, which improves the environmental adaptability of the tracking line marker.
[0021] During operation, the tracking line marker and the remote control are first paired and connected. The remote control is placed in a fixed position. The laser module of the instrument body 4 emits at least one vertical laser surface, which projects a laser line onto the object. Pressing the automatic tracking button on the remote control causes the first motor 5 to drive the first gear 6 to rotate rapidly around the second gear 7, thereby driving the rotating base 2 and the rotating bracket 3 to rotate synchronously. The rotating base 2 drives the instrument body 4 to rotate. When the laser line enters the sensing range of the photoelectric position sensor on the remote control, the first motor 5 stops working. The second motor 9 drives the nut 10 to move slowly inside the cylinder 8, causing the guide rod 11 to slide in the slide groove 12, thereby driving the rotating base 2 to rotate slowly (at this time, the rotating bracket 3 is fixed). The rotating base 2 drives the instrument body 4 to rotate. When the photoelectric position sensor on the remote control senses that the laser line is at the target position, the instrument body stops rotating. At this time, the tracking line marker completes the automatic tracking function. The tracking line marker of this embodiment can quickly and accurately track the target position.
[0022] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A tracking line marker, comprising a base (1), characterized in that: Above the base (1) are a rotating chassis (2) and a rotating support (3) arranged vertically in sequence. The rotating chassis (2) is equipped with an instrument body (4). A rapid tracking mechanism is provided between the rotating support (3) and the base (1). The rapid tracking mechanism includes a first motor (5) vertically mounted on the rotating support (3). The output end of the first motor (5) is equipped with a first gear (6). A second gear (7) meshing with the first gear (6) is provided on the top surface of the base (1). The center line of the second gear (7) coincides with the rotation center line of the rotating support (3). The rotating chassis (2) and the rotating support (3) are arranged vertically in sequence in the vertical direction. A fine-tuning mechanism is provided between the supports (3). The fine-tuning mechanism includes a cylinder (8) that is provided on the rotating support (3) and extends along the tangent direction of the rotating support (3). A second motor (9) is provided inside the cylinder (8). The output end of the second motor (9) is connected to a screw. A nut (10) is threaded on the screw. The nut (10) is slidably fitted inside the cylinder (8). A guide rod (11) is vertically provided at the end of the nut (10) away from the second motor (9). A sliding groove (12) is provided on the rotating base (2). The end of the guide rod (11) away from the nut (10) is slidably fitted inside the sliding groove (12).
2. The tracking line marker according to claim 1, characterized in that: A fixed shaft (13) is vertically provided on the top surface of the base (1), and the rotating chassis (2) and the rotating bracket (3) are respectively rotatably mounted on the fixed shaft (13) through bearings.
3. The tracking line marker according to claim 1, characterized in that: The extension direction of the groove (12) is perpendicular to the axial direction of the nut (10), and a spring (14) is provided between the rotating bracket (3) and the rotating base (2).
4. The tracking line marker according to claim 1, characterized in that: The instrument body (4) is equipped with a main power supply, and the first motor (5) and the second motor (9) are electrically connected to the main power supply respectively.