Emergency braking device of crane

Abstract

The utility model relates to the technical field of emergency braking devices, in particular to a crane emergency braking device which comprises a fixing chuck, a centrifugal rotating disc is rotatably arranged in the fixing chuck, a plurality of centrifugal assemblies are arranged on the centrifugal rotating disc, and a plurality of clamping grooves are formed in the inner wall of the centrifugal rotating disc. And a plurality of grooves are formed in the fixed chuck, and alarm components are arranged in the grooves, so that a worker can be warned and reminded through a warning lamp during emergency braking, misoperation of the worker is prevented, and subsequent maintenance and inspection are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of emergency braking device technology, and more specifically, to an emergency braking device for a crane. Background Technology

[0002] Crane emergency braking devices are key safety devices that ensure cranes can stop quickly in emergency situations. When an emergency is detected, they can quickly achieve emergency braking by working together with components such as brakes, control systems, and power systems. Common types of brakes include electromagnetic brakes, hydraulic brakes, and mechanical brakes. These brakes generate resistance to quickly decelerate and stop the crane's movement, effectively protecting the safety of personnel and equipment.

[0003] For example, Chinese patent disclosure: A centrifugal emergency braking device for preventing falls on a gantry crane, application number: CN202323347809.5, includes a fixed chuck, inside which a centrifugal turntable is rotatably mounted. Multiple centrifugal mechanisms are rotatably mounted above the centrifugal turntable. Each centrifugal mechanism includes a clamp, a plug, and a return spring. The clamp is rotatably mounted above the centrifugal turntable via a hinge, and the plug is slidably mounted inside the centrifugal turntable. This invention, through the design of the clamp and the inclined groove, allows the clamp to enter the inclined groove when the emergency braking device is put into use, ensuring that the centrifugal turntable does not rotate within the fixed chuck. The stopped centrifugal turntable allows the emergency braking device to fully activate, urgently stopping the fall of goods, improving safety and reliability, and preventing personal injury or property damage. It integrates more functions on the basis of traditional cranes.

[0004] However, in the above technical solutions, the safety performance of cranes, as important material handling equipment in modern industrial production, is of paramount importance. Especially in emergency situations, the emergency braking device of the crane can respond quickly to stop the equipment and prevent accidents. However, the emergency braking device in the above technical solutions only has the function of emergency braking when performing braking operations, and lacks the immediate warning and reminder to the on-site personnel. This may cause the personnel to make mistakes due to failure to notice the emergency braking status in time, increasing the risk of accidents. In addition, the maintenance and inspection work that usually needs to be carried out after emergency braking also faces many inconveniences. Due to the lack of obvious warning signs, maintenance personnel may not be able to quickly locate the fault point, prolonging the maintenance time and affecting the equipment's resumption efficiency. Utility Model Content

[0005] The main objective of this invention is to provide an emergency braking device for cranes, which can effectively solve the problem in the background art where, in modern industrial production, cranes are important material handling equipment, and their safety performance is crucial, especially in emergency situations. The emergency braking device of the crane can respond quickly, stop the equipment operation, and prevent accidents. However, the emergency braking device in the above-mentioned technical solution only has the function of emergency braking when performing braking operation, and lacks immediate warning and reminder to on-site personnel. This may lead to personnel making mistakes due to failure to notice the emergency braking status in time, increasing the risk of accidents. In addition, after emergency braking, the maintenance and inspection work that usually needs to be carried out on the equipment also faces many inconveniences. Due to the lack of obvious warning signs, maintenance personnel may not be able to quickly locate the fault point, prolonging the maintenance time and affecting the equipment's resumption efficiency.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an emergency braking device for a crane, including a fixed chuck, a centrifugal turntable rotatably arranged inside the fixed chuck, multiple sets of centrifugal components arranged on the centrifugal turntable, a number of slots arranged on the inner wall of the centrifugal turntable, a number of grooves arranged on the fixed chuck, and an alarm component arranged in the groove.

[0007] Preferably, the alarm component includes a component base, on which a sliding groove is provided, and a slider is slidably disposed within the sliding groove. A warning light and a warning light button are provided on one side of the slider.

[0008] Preferably, the slider is provided with a threaded hole, a threaded post is provided in the threaded hole, a gear is provided on the threaded post, a push post is provided on one side of the gear, the push post is provided with a tooth groove, a through groove is provided on the side of the slide away from the gear, and a spring is fixedly provided on the side of the push post away from the slot.

[0009] Preferably, the threaded column is rotatably connected to the component base, and the gear meshes with the tooth groove.

[0010] Preferably, the pusher is slidably connected to the fixed chuck and the component base.

[0011] Preferably, a portion of the pusher is located in the slot, and the warning light is located in the through slot.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] (1) When this utility model is used, emergency braking is performed through multiple sets of centrifugal components and slots. When multiple sets of centrifugal components enter the slots for emergency braking, the multiple sets of centrifugal components squeeze the push column, causing the warning light to gradually move to the outside of the through slot. At this time, the warning light will be outside the fixed chuck, which is convenient for warning the staff. When not needed, the warning light can be returned to its original position to reduce the space occupied. At the same time, when the outer wall of the slider is in contact with the inner wall of the slide, the inner wall of the slide squeezes the warning light button to turn on the warning light. Thus, the warning light can be used to warn and remind the staff during emergency braking, preventing staff from misoperating and facilitating subsequent maintenance and inspection. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of a crane emergency braking device according to the present invention;

[0015] Figure 2 This is a schematic diagram of the internal structure of a crane emergency braking device according to the present invention;

[0016] Figure 3 This is a schematic diagram of the alarm component in a crane emergency braking device according to the present invention;

[0017] Figure 4 This is a top view of the alarm component in a crane emergency braking device according to the present invention.

[0018] In the diagram: 1. Fixed chuck; 2. Centrifugal disc; 3. Multiple centrifugal components; 4. Slot; 5. Groove; 6. Alarm component; 601. Component base; 602. Slide groove; 603. Slider; 604. Warning light; 605. Warning light button; 606. Threaded hole; 607. Threaded post; 608. Gear; 609. Push post; 6010. Tooth groove; 6011. Through groove; 6012. Spring. Detailed Implementation

[0019] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0020] like Figure 1 and Figure 2As shown, an emergency braking device for a crane includes a fixed chuck 1, a centrifugal turntable 2 rotatably disposed inside the fixed chuck 1, multiple sets of centrifugal components 3 disposed on the centrifugal turntable 2, a plurality of slots 4 disposed on the inner wall of the centrifugal turntable 2, a plurality of grooves 5 disposed on the fixed chuck 1, and an alarm component 6 disposed in the groove 5.

[0021] like Figure 3 and Figure 4 As shown, in another embodiment of the present invention, the alarm component 6 includes a component base 601, a slide groove 602 is provided on the component base 601, a slider 603 is slidably disposed in the slide groove 602, and a warning light 604 and a warning light button 605 are provided on one side of the slider 603.

[0022] The slider 603 is provided with a threaded hole 606, a threaded post 607 is provided in the threaded hole 606, a gear 608 is provided on the threaded post 607, a push post 609 is provided on one side of the gear 608, a toothed groove 6010 is provided on the push post 609, a through groove 6011 is provided on the side of the sliding groove 602 away from the gear 608, and a spring 6012 is fixedly provided on the side of the push post 609 away from the slot 4;

[0023] When multiple centrifugal components 3 enter the slot 4 for emergency braking, the multiple centrifugal components 3 compress the push column 609, causing the spring 6012 to deform. The push column 609 rotates the gear 608 through the toothed groove 6010, which in turn drives the threaded column 607 to rotate. The threaded column 607 moves the slider 603 towards the through slot 6011 through the threaded hole 606. The slider 603 moves the warning light 604 and the warning light button 605, causing the warning light 604 to gradually move to the outside of the through slot 6011. At the same time, when the outer wall of the slider 603 is in contact with the inner wall of the slide 602, the inner wall of the slide 602 compresses the warning light button 605, turning on the warning light 604. Thus, during emergency braking, the warning light 604 serves as a warning to the staff, preventing accidental operation and facilitating subsequent maintenance and inspection.

[0024] The working principle of this type of crane emergency braking device:

[0025] In use, emergency braking is achieved through multiple sets of centrifugal components 3 and slots 4. When the multiple sets of centrifugal components 3 enter the slots 4 for emergency braking, they compress the push post 609, causing the spring 6012 to deform. The push post 609 rotates the gear 608 via the toothed groove 6010, which in turn rotates the threaded post 607. The threaded post 607 moves the slider 603 towards the through slot 6011 via the threaded hole 606. The slider 603 then moves the warning light 604 and the warning light button 605, activating the warning light. The warning light 604 gradually moves to the outside of the through groove 6011. At this time, the warning light 604 will be outside the fixed chuck 1, which is convenient for warning the staff. When not needed, the warning light 604 can be returned to its original position to reduce the space occupied. At the same time, when the outer wall of the slider 603 is in contact with the inner wall of the slide groove 602, the inner wall of the slide groove 602 presses the warning light button 605 to turn on the warning light 604. Thus, in the event of emergency braking, the warning light 604 can be used to warn and remind the staff to prevent accidental operation and facilitate subsequent maintenance and inspection.

[0026] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. All obvious variations or modifications derived from the technical solutions of the present invention are still within the protection scope of the present invention.

Claims

1. A crane emergency braking device, comprising a fixed chuck (1), characterized in that: The fixed chuck (1) has a centrifugal turntable (2) rotatably mounted inside. The centrifugal turntable (2) is provided with multiple centrifugal components (3). The inner wall of the centrifugal turntable (2) is provided with several slots (4). The fixed chuck (1) is provided with several grooves (5). An alarm component (6) is provided in the groove (5).

2. The crane emergency braking device according to claim 1, characterized in that: The alarm component (6) includes a component base (601), a slide groove (602) is provided on the component base (601), a slider (603) is slidably arranged in the slide groove (602), and a warning light (604) and a warning light button (605) are provided on one side of the slider (603).

3. The crane emergency braking device according to claim 2, characterized in that: The slider (603) is provided with a threaded hole (606), a threaded post (607) is provided in the threaded hole (606), a gear (608) is provided on the threaded post (607), a push post (609) is provided on one side of the gear (608), a tooth groove (6010) is provided on the push post (609), a through groove (6011) is provided on the side of the slide groove (602) away from the gear (608), and a spring (6012) is fixedly provided on the side of the push post (609) away from the slot (4).

4. A crane emergency braking device according to claim 3, characterized in that: The threaded post (607) is rotatably connected to the component base (601), and the gear (608) meshes with the tooth groove (6010).

5. A crane emergency braking device according to claim 4, characterized in that: The pusher (609) is slidably connected to the fixed chuck (1) and the component base (601).

6. A crane emergency braking device according to claim 5, characterized in that: Part of the pusher (609) is located in the slot (4), and the warning light (604) is located in the through slot (6011).

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