Lifting hook tracking distance measuring device

By designing a hook tracking and distance measurement device including a tracking camera and a controller, the problem of hook shaking is solved, resulting in the rangefinder being unable to be accurately aligned, and accurate distance measurement is achieved in the case of hook shaking.

CN222821140UActive Publication Date: 2025-05-02CHANGZHOU DONGSHENG TESTING INSTR CO LTD
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Patent Information

Application Number
CN202421739835.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-05-02
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

During the cargo being lifted and transported, the hook will shake, causing the rangefinder to be unable to accurately align the hook, and thus cannot perform accurate distance measurement.

Method used

A hook tracking and distance measuring device is designed, including a connecting plate, a position adjustment device, a mounting bracket, a tracking camera, a range finder and a controller. By tracking the indicators on the hook, real-time position information is obtained, and the controller controls the action of the position adjustment device, so that the rangefinder on the mounting bracket can track the position of the hook and keep the distance measurement direction aligned.

Benefits of technology

When the hook is shaken, the rangefinder can accurately track the position of the hook and keep the distance measurement direction aligned to ensure that the distancefinder can accurately measure the hook.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lifting hook tracking distance measuring device which comprises a connecting plate, a position adjusting device, a mounting bracket, a tracking camera, a distance measuring instrument and a controller, wherein the position adjusting device is mounted on the connecting plate, the mounting bracket is connected to the position adjusting device, the tracking camera is connected to the mounting bracket, and an indication mark facing a tracking lens on the tracking camera is arranged on the lifting hook. The tracking camera is connected with the controller and is used for tracking and shooting a position image of an indication mark on the lifting hook so as to obtain real-time position information of the indication mark on the lifting hook, and the controller is connected with the position adjusting device; and the controller is used for controlling the position adjusting device to act according to the obtained real-time position information. The distance measuring device can enable the distance measuring instrument to track the shaking position of the lifting hook so as to enable the distance measuring direction of the distance measuring instrument to be aligned with the lifting hook, and further enable the distance measuring instrument to accurately measure the distance of the lifting hook.
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Description

Technical Field

[0001] The utility model relates to a hook tracking and distance measuring device. Background Art

[0002] At present, bridge cranes, commonly known as traveling cranes, are a widely used type of lifting equipment. This lifting equipment hooks the cargo and lifts the cargo to achieve loading, unloading and transportation of the cargo. In some enterprises, a rangefinder is used to measure the distance of the hook in order to grasp the position and height of the cargo on the hook in real time. For example, a Chinese patent with publication number CN214879676U discloses a multi-trolley crane lifting synchronous control system, in which a rangefinder is used to measure the distance of the hook. However, in the process of lifting and transporting the cargo, the hook and the cargo will shake to a certain extent. During the shaking process of the hook, the rangefinder cannot be aligned with the hook, and thus cannot accurately measure the distance of the hook. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a hook tracking and ranging device, which can enable a rangefinder to track the position of the hook shaking so that the ranging direction of the rangefinder is kept aligned with the hook, thereby enabling the rangefinder to accurately measure the distance of the hook.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a hook tracking and ranging device, including a connecting plate, a position adjustment device, a mounting bracket, a tracking camera, a rangefinder and a controller;

[0005] The position adjustment device is mounted on the connecting plate;

[0006] The mounting bracket is connected to the position adjustment device;

[0007] The tracking camera is connected to the mounting bracket, and the hook is provided with an indication mark pointing toward the tracking lens on the tracking camera;

[0008] The tracking camera is connected to the controller and is used to track and capture the position image of the indicator mark on the hook to obtain the real-time position information of the indicator mark on the hook;

[0009] The controller is connected to the position adjustment device, and the controller is used to control the action of the position adjustment device according to the obtained real-time position information, thereby driving the mounting bracket to move so that the distance measuring direction of the rangefinder remains aligned with the hook;

[0010] The distance meter is connected to the mounting bracket and is used to measure the distance of the hook.

[0011] Furthermore, the hook tracking and ranging device is used to be connected to the lifting equipment and is located above the hook in the lifting equipment; wherein the connecting plate is connected to the lifting equipment.

[0012] Furthermore, the lifting equipment is a bridge crane, which includes a bridge and a lifting trolley connected to the bridge and used for horizontal movement on the bridge, and the connecting plate is connected to the lifting trolley.

[0013] A specific structure of the lifting trolley is further provided. The lifting trolley comprises a body and an electric hoist connected to the body, and the connecting plate is connected to the body or to the electric hoist.

[0014] Furthermore, the position adjustment device is a three-axis rotation adjustment mechanism, and the action of the three-axis rotation adjustment mechanism drives the mounting bracket to rotate around the X-axis and / or the Y-axis and / or the Z-axis so that the ranging direction of the rangefinder remains aligned with the hook.

[0015] A specific structure of the three-axis rotation adjustment mechanism is further provided, wherein the three-axis rotation adjustment mechanism includes a rotating table and a pan-tilt table;

[0016] The mounting bracket is connected to the pan-tilt platform, and the pan-tilt platform is connected to the rotating platform;

[0017] The controller is connected to the pan / tilt head and is used to control the rotation of the pan / tilt head and thereby drive the mounting bracket to rotate around the X-axis and / or the Y-axis;

[0018] The controller is also connected to the rotating platform and is used to control the rotating movement of the rotating platform and thereby drive the pan / tilt head and the mounting bracket to rotate around the Z axis.

[0019] Further, the mounting bracket is connected to the lower end of the pan / tilt head;

[0020] The upper end of the pan / tilt platform is connected to the lower end of the rotating platform;

[0021] The upper end portion of the rotating platform is connected to the connecting plate.

[0022] Further, the mounting bracket includes a transverse plate portion and a longitudinal plate portion;

[0023] The upper end of the longitudinal plate portion is connected to the transverse plate portion;

[0024] The tracking camera and the rangefinder are both connected to the longitudinal plate;

[0025] The transverse plate portion is connected to the position adjusting device.

[0026] Furthermore, the rangefinder includes a laser ranging sensor.

[0027] Furthermore, the indicator mark is a marking symbol or an indicator board arranged on the hook.

[0028] After adopting the above technical scheme, the hook will shake when the lifting equipment lifts and transports the goods. During the shaking of the hook, the tracking camera tracks and captures the position image of the indicator mark on the hook to obtain the real-time position information of the indicator mark on the hook. The controller controls the action of the position adjustment device according to the obtained real-time position information and then drives the mounting bracket to move so that the rangefinder can timely track the position of the shaking hook and keep the ranging direction of the rangefinder aligned with the hook, so that the rangefinder can accurately measure the distance of the hook. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the hook tracking and ranging device of the utility model connected to the lifting equipment;

[0030] Figure 2 It is a structural schematic diagram of the hook tracking and ranging device of the utility model;

[0031] Figure 3 It is a front view of the hook tracking and ranging device of the utility model;

[0032] Figure 4 It is a right view of the hook tracking and ranging device of the utility model. DETAILED DESCRIPTION

[0033] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0034] like Figures 1 to 4 As shown, a hook tracking and ranging device includes a connecting plate 13, a position adjustment device, a mounting bracket 3, a tracking camera 4, a rangefinder 5 and a controller;

[0035] The position adjustment device is installed on the connecting plate 13;

[0036] The mounting bracket 3 is connected to the position adjustment device;

[0037] The tracking camera 4 is connected to the mounting bracket 3, and the hook 1 is provided with an indication mark pointing toward the tracking lens on the tracking camera 4;

[0038] The tracking camera 4 is connected to the controller and is used to track and capture the position image of the indicator mark on the hook 1 to obtain the real-time position information of the indicator mark on the hook 1;

[0039] The controller is connected to the position adjustment device, and the controller is used to control the action of the position adjustment device according to the obtained real-time position information, thereby driving the mounting bracket 3 to move so that the distance measuring direction of the rangefinder 5 remains aligned with the hook 1;

[0040] The distance meter 5 is connected to the mounting bracket 3 and is used to measure the distance of the hook 1 .

[0041] Specifically, when the lifting equipment 100 lifts and carries goods, the hook 1 will shake. During the shaking of the hook 1, the tracking camera 4 tracks and captures the position image of the indicator mark on the hook 1 to obtain the real-time position information of the indicator mark on the hook 1. The controller controls the action of the position adjustment device according to the obtained real-time position information and then drives the mounting bracket 3 to move so that the rangefinder 5 can timely track the position of the shaking hook 1 and keep the measuring direction of the rangefinder 5 aligned with the hook 1, so that the rangefinder 5 can accurately measure the distance of the hook 1.

[0042] like Figures 1 to 4 As shown, the hook tracking and ranging device of the embodiment of the present application is used to be connected to the lifting equipment 100 and is located above the hook 1 in the lifting equipment 100; specifically, the connecting plate 13 is connected to the lifting equipment 100, the tracking camera 4 and the rangefinder 5 are both connected to the mounting bracket 3, and the tracking camera 4 and the rangefinder 5 are also located above the hook 1.

[0043] like Figure 1 As shown, the lifting equipment 100 can be a bridge crane, which includes a bridge 6 and a lifting trolley 7 connected to the bridge 6 and used for horizontal movement on the bridge 6, and the connecting plate 13 is connected to the lifting trolley 7; specifically, the bridge 6 is also called a trolley, and the bridge 6 is composed of a main beam, an end beam and a walkway.

[0044] like Figure 1 As shown, the lifting trolley 7 includes a body 8 and an electric hoist 9 connected to the body 8, the electric hoist 9 has a lifting rope 10, the hook 1 is connected to the lifting rope 10, the lifting rope 10 can be a steel wire rope, and in this embodiment, the connecting plate 13 is connected to the body 8. Of course, in some embodiments, the connecting plate 13 can also be connected to the electric hoist 9.

[0045] Specifically, the position adjustment device is a three-axis rotation adjustment mechanism 2, and the three-axis rotation adjustment mechanism 2 is used to drive the mounting bracket 3 to rotate around the X-axis, Y-axis and Z-axis during operation so that the distance measurement direction of the rangefinder 5 remains aligned with the hook 1. Specifically, the controller controls the three-axis rotation adjustment mechanism 2 to follow the action according to the obtained real-time position information, thereby driving the mounting bracket 3 to rotate around the X-axis, Y-axis and Z-axis, so that the rangefinder 5 on the mounting bracket 3 can timely track the position of the shaking hook 1, so that the distance measurement direction of the rangefinder 5 always remains aligned with the hook 1, so that the rangefinder 5 can accurately measure the distance of the hook 1. Among them, the controller can also be connected to the mounting bracket 3, and the controller can be an MCU, and the tracking camera 4 is a prior art.

[0046] like Figures 1 to 4 As shown, the three-axis rotation adjustment mechanism 2 may include a rotating platform 11 and a pan-tilt platform 12;

[0047] The mounting bracket 3 is connected to the pan / tilt head 12, and the pan / tilt head 12 is connected to the rotating platform 11;

[0048] The controller is connected to the pan-tilt head 12 and is used to control the rotation of the pan-tilt head 12 to drive the mounting bracket 3 to rotate around the X-axis and the Y-axis, and then drive the rangefinder 5 on the mounting bracket 3 to rotate around the X-axis and the Y-axis;

[0049] The controller is also connected to the rotating table 11 and is used to control the rotation of the rotating table 11, thereby driving the pan-tilt head 12 and the mounting bracket 3 to rotate around the Z axis, thereby driving the rangefinder 5 on the mounting bracket 3 to rotate around the Z axis, thereby enabling the rangefinder 5 to track the position of the hook 1 in time, so as to align with the hook 1 and measure the distance of the hook 1; wherein, the specific structures of the rotating table 11 and the pan-tilt head 12 are existing technologies well known to those skilled in the art, and are not described in detail in this embodiment. The pan-tilt head 12 can be a two-axis automatic horizontal pan-tilt head.

[0050] like Figures 2 to 4 As shown, the mounting bracket 3 is connected to the lower end of the pan / tilt head 12;

[0051] The upper end of the pan / tilt platform 12 is connected to the lower end of the rotating platform 11;

[0052] The upper end of the rotating platform 11 is connected to the connecting plate 13 .

[0053] like Figures 2 to 4 As shown, the mounting bracket 3 may include a transverse plate portion 14 and a longitudinal plate portion 15;

[0054] The upper end of the longitudinal plate portion 15 is connected to the transverse plate portion 14;

[0055] The tracking camera 4 and the rangefinder 5 are both connected to the longitudinal plate portion 15;

[0056] The transverse plate portion 14 is connected to the position adjustment device; specifically, the transverse plate portion 14 is connected to the lower end portion of the pan / tilt platform 12 .

[0057] Specifically, the rangefinder 5 may include a laser rangefinder sensor. In the present embodiment, the indicator mark may be a marking symbol provided on the hook 1. Of course, in some embodiments, the indicator mark may also be an indicator board provided on the hook 1.

[0058] To summarize, when the lifting equipment 100 lifts and carries goods, the hook 1 will shake. During the shaking of the hook 1, the tracking camera 4 tracks and captures the position image of the indicator mark on the hook 1 to obtain the real-time position information of the indicator mark on the hook 1. The controller controls the action of the position adjustment device according to the obtained real-time position information and then drives the mounting bracket 3 to move so that the rangefinder 5 can timely track the position of the shaking hook 1 and keep the measuring direction of the rangefinder 5 aligned with the hook 1, so that the rangefinder 5 can accurately measure the distance of the hook 1.

[0059] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hook tracking and ranging device, characterized in that: It comprises a connecting plate (13), a position adjustment device, a mounting bracket (3), a tracking camera (4), a rangefinder (5) and a controller; The position adjustment device is mounted on the connecting plate (13); The mounting bracket (3) is connected to the position adjustment device; The tracking camera (4) is connected to the mounting bracket (3), and the hook (1) is provided with an indication mark pointing toward the tracking lens on the tracking camera (4); The tracking camera (4) is connected to the controller and is used to track and photograph the position image of the indicator mark on the hook (1) to obtain real-time position information of the indicator mark on the hook (1); The controller is connected to the position adjustment device, and the controller is used to control the movement of the position adjustment device according to the obtained real-time position information, thereby driving the mounting bracket (3) to move so that the distance measuring direction of the distance meter (5) remains aligned with the hook (1); The distance meter (5) is connected to the mounting bracket (3) and is used to measure the distance of the hook (1).

2. The hook tracking and ranging device according to claim 1, characterized in that: The hook tracking and ranging device is used to be connected to a lifting device (100) and is located above a hook (1) in the lifting device (100); wherein the connecting plate (13) is connected to the lifting device (100).

3. The hook tracking and ranging device according to claim 2, characterized in that: The lifting device (100) is a bridge crane, which comprises a bridge frame (6) and a lifting trolley (7) connected to the bridge frame (6) and used for horizontal movement on the bridge frame (6), and the connecting plate (13) is connected to the lifting trolley (7).

4. The hook tracking and ranging device according to claim 3, characterized in that: The lifting trolley (7) comprises a vehicle body (8) and an electric hoist (9) connected to the vehicle body (8), and the connecting plate (13) is connected to the vehicle body (8) or to the electric hoist (9).

5. The hook tracking and ranging device according to claim 1, characterized in that: The position adjustment device is a three-axis rotation adjustment mechanism (2), and the three-axis rotation adjustment mechanism (2) is actuated to drive the mounting bracket (3) to rotate around the X-axis and / or the Y-axis and / or the Z-axis so that the distance measuring direction of the distance meter (5) remains aligned with the hook (1).

6. The hook tracking and ranging device according to claim 5, characterized in that: The three-axis rotation adjustment mechanism (2) comprises a rotating platform (11) and a pan / tilt platform (12); The mounting bracket (3) is connected to the pan head (12), and the pan head (12) is connected to the rotating platform (11); The controller is connected to the pan / tilt platform (12) and is used to control the rotation of the pan / tilt platform (12) and thereby drive the mounting bracket (3) to rotate around the X-axis and / or the Y-axis; The controller is also connected to the rotating platform (11) and is used to control the rotating movement of the rotating platform (11) and thereby drive the pan / tilt platform (12) and the mounting bracket (3) to rotate around the Z axis.

7. The hook tracking and ranging device according to claim 6, characterized in that: The mounting bracket (3) is connected to the lower end of the pan / tilt head (12); The upper end of the pan / tilt platform (12) is connected to the lower end of the rotating platform (11); The upper end of the rotating platform (11) is connected to the connecting plate (13).

8. The hook tracking and ranging device according to claim 1, characterized in that: The mounting bracket (3) comprises a transverse plate portion (14) and a longitudinal plate portion (15); The upper end of the longitudinal plate portion (15) is connected to the transverse plate portion (14); The tracking camera (4) and the rangefinder (5) are both connected to the longitudinal plate portion (15); The transverse plate portion (14) is connected to the position adjustment device.

9. The hook tracking and ranging device according to claim 1, characterized in that: The distance meter (5) comprises a laser distance measuring sensor.

10. The hook tracking and ranging device according to claim 1, characterized in that: The indication mark is a marking symbol or an indication board arranged on the hook (1).