Multifunctional auxiliary device for crane

By installing an alarm system with infrared sensors and buzzers on the crane hook, the problem of the lack of anti-collision warnings for the hook has been solved, enabling safety reminders for personnel and environmental monitoring, and enhancing the safety of hook use and accident analysis capabilities.

CN223906374UActive Publication Date: 2026-02-13DONGTAI FUKANG MASCH CO LTD
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Patent Information

Application Number
CN202423167577.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-02-13
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing crane hooks lack anti-collision warning structures, which makes it easy for workers and passers-by to collide with the hooks in narrow or busy environments, posing a safety hazard.

Method used

Design an alarm system that includes an infrared sensor, a buzzer, an electric telescopic pole, and a camera. The infrared sensor detects people approaching and activates the buzzer to warn them. The electric telescopic pole extends and retracts to expose the camera for environmental photography. Mounting blocks and screws are used to ensure stability.

Benefits of technology

It effectively prevents personnel from colliding with the hook, alerts users to the presence of the hook through an alarm sound, enhances safety during hook use, and provides environmental records to assist in accident analysis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional auxiliary device for a crane, which belongs to the technical field of cranes and is characterized by comprising a crane hook body and an alarm system, and two mounting blocks are arranged on the surface of the crane hook body. When a crane hook falls down and an external steel wire rope is connected with the hook, the situation that the head of a worker accidentally collides with the hook occasionally occurs when the worker walks, especially in a relatively narrow or busy working environment, and when the crane hook is in a stopping state, the head of the worker cannot collide with the hook accidentally. Especially in some construction sites or factory workshops without special isolation areas, passers-by may not notice the existence of the lifting hook, and passers-by are easy to get close to the lifting hook to collide and be injured due to the fact that the lifting hook is usually made of metal, the color of the lifting hook is possibly similar to that of the surrounding environment, and no proper warning mark is provided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field, especially in a kind of crane multifunctional auxiliary device. BACKGROUND

[0002] Crane is a kind of mechanical and electrical equipment for vertical lifting or vertical lifting and horizontal moving heavy object.Its main function is through the coordination of mechanical, electrical and hydraulic systems, hoist heavy object and move to the designated location, it is indispensable equipment in modern industry, construction, logistics and many other fields, can complete the heavy lifting task that manpower cannot achieve.

[0003] After the applicant searches crane hook, the following problems are found: the existing part crane hook does not have anti-collision warning structure, when crane hook falls, the attention of staff is usually concentrated on the accuracy and firmness of connection during the connection of external wire rope and hook, due to the low position of hook, the head of staff is accidentally collided with hook during walking, especially in relatively narrow or busy working environment, when crane hook is in parking state, especially in some construction sites or factory workshops without setting special isolation area, passing personnel can not notice the existence of hook, due to the hook is usually metal material, color can be similar to surrounding environment, without proper warning sign, passerby is easy to collide with hook and be injured.

[0004] Therefore, a kind of crane multifunctional auxiliary device is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of crane multifunctional auxiliary device, can solve the existing part crane hook without anti-collision warning structure, when crane hook falls, the attention of staff is usually concentrated on the accuracy and firmness of connection during the connection of external wire rope and hook, due to the low position of hook, the head of staff is accidentally collided with hook during walking, especially in relatively narrow or busy working environment, when crane hook is in parking state, especially in some construction sites or factory workshops without setting special isolation area, passing personnel can not notice the existence of hook, due to the hook is usually metal material, color can be similar to surrounding environment, without proper warning sign, passerby is easy to collide with hook and be injured.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of crane multifunctional auxiliary device, including crane hook body and alarm system, the surface of crane hook body is provided with two installation blocks, the top of installation block is provided with protective cover;

[0007] The alarm system comprises infrared sensors, a control module, a buzzer, electric telescopic rods and cameras, the number of the cameras is four and they are uniformly distributed on the surfaces of two mounting blocks, the number of the infrared sensors is six and they are uniformly distributed on the surfaces of two protective covers, the number of the buzzers is two and the bottoms of the buzzers are fixedly connected with the tops of the protective covers.

[0008] Preferably, the number of the electric telescopic rods is four and they are uniformly distributed on the tops of the two mounting blocks, and the tops of the telescopic ends of the electric telescopic rods are fixedly connected with the inner walls of the protective covers.

[0009] Preferably, the front side and the rear side of each of the two mounting blocks are fixedly connected with a connecting block, the left side of the left connecting block is provided with a screw, and the right side of the screw passes through the left connecting block and is threadedly connected with the inside of the right connecting block.

[0010] Preferably, the inner wall of the mounting block is fixedly connected with anti-skid blocks, the number of the anti-skid blocks is several and they are uniformly distributed on the inner wall of the mounting block, and the surface of the anti-skid block is in close contact with the surface of the crane hook body.

[0011] Preferably, the output end of the infrared sensor is unidirectionally and electrically connected with the input end of the control module, the output end of the control module is unidirectionally and electrically connected with the input end of the buzzer, the input end of the telescopic end of the electric telescopic rod is unidirectionally and electrically connected with the output end of the control module, and the input end of the camera is unidirectionally and electrically connected with the output end of the control module.

[0012] Preferably, the input end of the alarm system is unidirectionally and electrically connected with a power supply module.

[0013] Preferably, the material of the protective cover is impact-resistant metal, and the material of the mounting block is light corrosion-resistant plastic.

[0014] Compared with the prior art, the alarm system has the advantages that:

[0015] 1. The alarm system can sense the personnel who are too close to the crane hook body, and the buzzer can emit an alarm sound to remind the personnel, so as to avoid the collision between the personnel and the crane hook body and the safety hazard.

[0016] 2. The mounting block can be stably connected with the crane hook body by moving the mounting block to the surface of the anti-skid block in contact with the crane hook body, then screwing the screw through the left connecting block and threadedly connecting and locking it with the inside of the right connecting block. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structural diagram of the crane multifunctional auxiliary device.

[0018] Figure 2 It is the three-dimensional connection schematic view of the mounting block and the protective cover in the utility model;

[0019] Figure 3 It is the three-dimensional exploded schematic view of the left connecting block and the screw in the utility model;

[0020] Figure 4 It is the three-dimensional structure schematic view of the electric telescopic rod in the utility model;

[0021] Figure 5 It is the flow chart of the alarm system in the utility model.

[0022] In the drawing, 1, crane hook body;2, protective cover;3, infrared sensor;4, buzzer;5, mounting block;6, camera;7, anti-skid block;8, connecting block;9, screw;10, electric telescopic rod;11, power supply module;12, alarm system;13, control module. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides technical schemes:

[0025] A crane multifunctional auxiliary device, including crane hook body 1 and alarm system 12, the surface of crane hook body 1 is provided with two mounting blocks 5, and the top of mounting block 5 is provided with protective cover 2;

[0026] Alarm system 12 includes infrared sensor 3, control module 13, buzzer 4, electric telescopic rod 10 and camera 6, the number of camera 6 is four and evenly distributed on the surface of two mounting blocks 5, the number of infrared sensor 3 is six and evenly distributed on the surface of two protective covers 2, the number of buzzer 4 is two, and the bottom of buzzer 4 is fixedly connected with the top of protective cover 2.

[0027] Specifically, as Figure 3 Indicated, the number of electric telescopic rod 10 is four and evenly distributed on the top of two mounting blocks 5, and the top of the telescopic end of electric telescopic rod 10 is fixedly connected with the inner wall of protective cover 2.

[0028] Specifically, as Figure 2 And Figure 3As shown, the front side and the rear side of the two mounting blocks 5 are fixedly connected with the connecting blocks 8, the left side of the left connecting block 8 is provided with the screw 9, and the right side of the screw 9 penetrates through the left connecting block 8 and is threadedly connected with the inside of the right connecting block 8.

[0029] Specifically, as shown in the figure, Figure 1 and Figure 3 As shown, the inner wall of the mounting block 5 is fixedly connected with the anti-skid blocks 7, the number of the anti-skid blocks 7 is several and they are uniformly distributed on the inner wall of the mounting block 5, and the surface of the anti-skid block 7 is in close contact with the surface of the crane hook body 1.

[0030] Specifically, as shown in the figure, Figure 5 The output end of the infrared sensor 3 is unidirectionally electrically connected with the input end of the control module 13, the output end of the control module 13 is unidirectionally electrically connected with the input end of the buzzer 4, the input end of the telescopic end of the electric telescopic rod 10 is unidirectionally electrically connected with the output end of the control module 13, and the input end of the camera 6 is unidirectionally electrically connected with the output end of the control module 13.

[0031] In this embodiment: by moving the mounting block 5 to contact the anti-skid block 7 with the crane hook body 1, and then screwing the screw 9 through the left connecting block 8 and threadedly connecting it with the inside of the right connecting block 8 and locking it, at this time the anti-skid block 7 is in close contact with the surface of the crane hook body 1, the mounting block 5 and the crane hook body 1 are stably connected, once a person enters its sensing range and is too close to the crane hook body 1, the infrared sensor 3 will transmit the detected signal to the control module 13, after the control module 13 receives the signal, it will immediately start the buzzer 4 to issue a warning sound to alert the person to pay attention to the existence of the crane hook body 1 to avoid collision, at the same time the four telescopic ends of the electric telescopic rod 10 extend upward at the same time, the protective cover 2 is lifted upward to expose the camera 6, which can real-time record the surrounding environment of the crane hook body 1.

[0032] Specifically, as shown in the figure, Figure 5 The input end of the alarm system 12 is unidirectionally electrically connected with the power supply module 11.

[0033] Specifically, as shown in the figure, Figure 2 The material of the protective cover 2 is impact-resistant metal, and the material of the mounting block 5 is lightweight corrosion-resistant plastic.

[0034] In this embodiment: the power supply module 11 provides power support for the entire alarm system 12 to ensure the normal operation of each component, the protective cover 2 made of impact-resistant metal can effectively resist a certain degree of external impact and protect the camera 6, the lightweight corrosion-resistant plastic material of the mounting block 5 can not only ensure the structural strength but also reduce the overall weight and has good corrosion resistance to adapt to complex working environments.

[0035] Working principle: when the crane hook body 1 falls and connects with the external wire rope, or in the state of parking, the six infrared sensors 3 distributed on the surface of the protective cover 2 continuously monitor the surrounding environment, once a person enters the sensing range and is too close to the crane hook body 1, the infrared sensor 3 will transmit the detected signal to the control module 13, after the control module 13 receives the signal, the buzzer 4 will immediately start to issue an alarm sound to alert the person to pay attention to the existence of the crane hook body 1, so as to avoid collision, at the same time, the four electric telescopic rods 10 can move upwards according to the instruction of the control module 13, and the four cameras 6 installed on the surface of the mounting block 5 are also controlled by the control module 13, which can record the surrounding environment of the crane hook body 1 in real time, on the one hand, the shooting picture can be connected with the external display terminal, which is used to assist the operator to understand the activity of the people around the crane hook body 1 during operation, on the other hand, in the event of an accident, these records can be used for subsequent accident analysis and investigation, the anti-skid block 7 is in contact with the surface of the crane hook body 1, and the reliable connection of the mounting block 5 on the crane hook body 1 is realized through the cooperation of the connecting block 8 and the screw 9, the power supply module 11 provides power support for the whole alarm system 12, and guarantees the normal operation of each part, the impact-resistant metal protective cover 2 can effectively resist a certain degree of external impact, and protect the camera 6, the light weight corrosion-resistant plastic mounting block 5 can guarantee the structural strength while reducing the overall weight, and has good corrosion resistance, so as to adapt to complex working environment, thereby comprehensively enhancing the safety of the crane hook body 1 in the use process, effectively solving the safety hidden trouble problem caused by the lack of anti-collision warning structure of the existing crane hook, when the person is away from the infrared sensor 3, the control module 13 controls the telescopic end of the electric telescopic rod 10 to shrink, so that the protective cover 2 can be lowered to protect the camera 6, it should be noted that the protective cover 2 will not block the two connecting blocks 8, so as to facilitate the screw 9 to be screwed, so that the screw 9 is connected with the internal thread of the right connecting block 8.

[0036] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-functional auxiliary device for a crane, comprising a crane hook body (1) and an alarm system (12), characterized in that: The surface of the crane hook body (1) is provided with two mounting blocks (5), and the top of the mounting blocks (5) is provided with a protective cover (2); The alarm system (12) includes an infrared sensor (3), a control module (13), a buzzer (4), an electric telescopic rod (10), and a camera (6). There are four cameras (6) evenly distributed on the surfaces of the two mounting blocks (5). There are six infrared sensors (3) evenly distributed on the surfaces of the two protective covers (2). There are two buzzers (4), and the bottom of the buzzer (4) is fixedly connected to the top of the protective cover (2).

2. The multi-functional auxiliary device for a crane according to claim 1, characterized in that: The number of electric telescopic rods (10) is four and they are all distributed on the top of the two mounting blocks (5). The top of the telescopic end of the electric telescopic rod (10) is fixedly connected to the inner wall of the protective cover (2).

3. The multi-functional auxiliary device for a crane according to claim 1, characterized in that: Both mounting blocks (5) are fixedly connected to connecting blocks (8) on the front and rear sides. A screw (9) is provided on the left side of the left connecting block (8). The right side of the screw (9) passes through the left connecting block (8) and is connected to the internal thread of the right connecting block (8).

4. A multi-functional auxiliary device for a crane according to claim 1, characterized in that: The inner wall of the mounting block (5) is fixedly connected with anti-slip blocks (7). There are several anti-slip blocks (7) and they are evenly distributed on the inner wall of the mounting block (5). The surface of the anti-slip blocks (7) is in close contact with the surface of the crane hook body (1).

5. A multi-functional auxiliary device for a crane according to claim 1, characterized in that: The output end of the infrared sensor (3) is unidirectionally electrically connected to the input end of the control module (13), the output end of the control module (13) is unidirectionally electrically connected to the input end of the buzzer (4), the input end of the telescopic end of the electric telescopic rod (10) is unidirectionally electrically connected to the output end of the control module (13), and the input end of the camera (6) is unidirectionally electrically connected to the output end of the control module (13).

6. A multi-functional auxiliary device for a crane according to claim 1, characterized in that: The input terminal of the alarm system (12) is unidirectionally electrically connected to a power supply module (11).

7. A multi-functional auxiliary device for a crane according to claim 1, characterized in that: The protective cover (2) is made of impact-resistant metal, and the mounting block (5) is made of lightweight corrosion-resistant plastic.