Automatic lifting appliance for electrical aluminum rod coil

Abstract

The utility model discloses an electrical aluminum rod coil automatic lifting appliance which comprises a lifting frame (1) and a four-side frame (6), a supporting plate (7) is arranged on the four-side frame (6), a lifting arm (5) is arranged on the supporting plate (7), a clamping claw (9) is arranged at the lower end of the lifting arm (5), and a rubber belt (10) is arranged on the clamping claw (9). And the upper end of the hoisting arm (5) is connected with the hoisting frame (1) through the hoisting plate (3). According to the aluminum rod coil stacking and loading device, stacking and loading of aluminum rod coils can be achieved only by standing on the ground and starting the crane trolley by an operator, the operator does not need to climb to the aluminum rod coils to hook and take hooks, potential safety hazards caused in the operation process are completely eradicated, the working efficiency is improved, and the labor intensity is relieved.

Description

An automatic lifting device for coiling electrical aluminum rods Technical Field

[0001] This invention relates to the field of electrical aluminum rod manufacturing technology, and in particular to an automatic lifting device for coiling electrical aluminum rods. Background Technology

[0002] Electrical aluminum rods are semi-finished products, but they form the quality center of electrical aluminum conductor products. The production of electrical aluminum rods is central to the entire quality assurance system for electrical aluminum conductor production. The performance of electrical aluminum rods is mainly determined by their composition and processing, but their quality and impact on subsequent wire drawing production depend primarily on continuous casting and rolling, resulting in 80% to 90% of the problems in the entire production process.

[0003] Currently, the hoisting operation of coiled aluminum electrical rods uses Y-type three-hook lifting tools, and both hooking and unhooking require manual intervention. This not only poses significant safety hazards but also results in low work efficiency, especially during high-span stacking and loading, where the safety risks to workers are even more pronounced. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic lifting device for coiled electrical aluminum rods to solve the technical problem of how to improve the lifting efficiency of coiled electrical aluminum rods.

[0005] This invention is achieved using the following technical solution: an automatic lifting device for coiled aluminum rods, comprising a lifting frame and a four-sided frame. A support plate is mounted on the four-sided frame, and a lifting arm is mounted on the support plate. A clamping gripper is mounted at the lower end of the lifting arm, and a rubber band is mounted on the clamping gripper. The upper end of the lifting arm is connected to the lifting frame via a lifting plate. The rubber band serves two purposes: first, to increase lifting friction, facilitating the lifting of the aluminum coil; and second, to protect the surface of the aluminum coil from scratches.

[0006] Furthermore, there are two support plates, which are respectively set at opposite corners of the four-sided frame. Support frames are also set at another set of opposite corners of the four-sided frame. The lifting and unloading functions of the lifting device are mainly realized through the switching mechanism inside the support plate.

[0007] Furthermore, the lifting arm has four parts, which are respectively set on the four corners of the four-sided frame. Each support plate and support frame is provided with a lifting arm cylindrical pin. The lifting arm is set on the support plate and support frame respectively through the lifting arm cylindrical pin. The lifting arm can be rotated through the lifting arm cylindrical pin, thereby realizing the clamping or unloading of the electrical round aluminum rod.

[0008] Furthermore, the lifting arm is connected to the lifting plate via a lifting plate cylindrical pin, and the lifting plate is connected to the lifting frame via a hanger cylindrical pin. The hanger is equipped with a lifting ring. The lifting arm can rotate via the lifting plate cylindrical pin, and the lifting plate can rotate via the hanger cylindrical pin. When the crane lifts the lifting ring on the lifting frame, it can drive the lifting plate and the lifting arm to rotate.

[0009] Furthermore, it also includes a switching mechanism, which is set inside the support plate. The switching mechanism drives the lifting arm to lift or unload. There are two switching mechanisms, each set inside the support plate. There are also two support plates, each set at opposite corners of the four-sided frame.

[0010] Furthermore, the switching mechanism includes a spring seat with a spring seat cylindrical pin, and the spring seat is mounted on the support plate via the spring seat cylindrical pin; the switching mechanism also includes a ratchet and a pawl arm, the pawl arm with a pin and a pawl, the pawl being connected to the ratchet, and the ratchet having an end face cam at one end near the spring seat; the switching mechanism also includes a pawl arm actuating block, one end of which is connected to the lifting arm, and the other end of which is connected to the pawl arm via a screw; the switching mechanism also includes a cylindrical pin with a cylindrical step, the cylindrical pin with a cylindrical step being connected to the spring seat via a compression spring, and the lifting arm having a release block for limiting the cylindrical pin with a cylindrical step.

[0011] Furthermore, to accurately control the circumferential phase of the ratchet, a reset pawl is also provided. The reset pawl is mounted on a support block on a spring seat, and the support block is fixed by a pin. The pawl and the reset pawl are pressed tightly against the ratchet tooth surface by their own weight.

[0012] Furthermore, the ratchet is also provided with a ratchet compression spring and a fixing screw. One end of the ratchet compression spring is connected to the fixing screw, and the other end is tightly attached to the end face of the fixed spring seat. The ratchet compression spring mainly plays a damping role.

[0013] The beneficial effects of this invention are as follows: This invention only requires the operator to stand on the ground and start the crane to stack and load aluminum rod coils, eliminating the need for the operator to climb onto the aluminum rod coils to hook and unhook them, thus eliminating safety hazards in the operation process, improving work efficiency and reducing labor intensity. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0015] Figure 1 is a schematic diagram of the structure of the present invention;

[0016] Figure 2 is a top view of the present invention;

[0017] Figure 3 is a cross-sectional view of DD in Figure 2;

[0018] Figure 4 is an enlarged view of point A in Figure 2;

[0019] Figure 5 is a cross-sectional view of CC in Figure 4;

[0020] Figure 6 is a cross-sectional view of GG in Figure 5;

[0021] In the diagram, 1-Hanger, 2-Hanger cylindrical pin, 3-Lifting plate, 4-Lifting plate cylindrical pin, 5-Lifting arm, 6-Four-sided frame, 7-Support plate, 8-Lifting arm cylindrical pin, 9-Clamping gripper, 10-Rubber belt, 11-Support frame, 12-Ratchet, 13-Pawl, 14-Spring seat cylindrical pin, 15-Spring seat, 16-Compression spring, 17-Cylindrical pin with cylindrical step, 18-Pawl arm actuating block, 19-Pawl arm, 20-Screw, 21-Pawl arm return spring, 22-Release block, 23-Ratchet compression spring, 24-Fixing screw, 25-Return pawl, 26-Support block, 27-Pin. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments 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. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0025] Referring to Figures 1 to 6, an automatic lifting device for coiling electrical aluminum rods includes a lifting frame 1 and a four-sided frame 6. A support plate 7 is provided on the four-sided frame 6, and a lifting arm 5 is provided on the support plate 7. A clamping gripper 9 is provided at the lower end of the lifting arm 5, and a rubber belt 10 is provided on the clamping gripper 9. The upper end of the lifting arm 5 is connected to the lifting frame 1 through a lifting plate 3.

[0026] Specifically, the quadrilateral frame 6 has four corners, and four lifting arms 5 are respectively set at the four corners of the quadrilateral frame 6. Each lifting arm 5 is equipped with a clamping gripper 9. Support plates 7 are respectively set at one set of opposite corners of the quadrilateral frame 6, and support frames 11 are respectively set at the other set of opposite corners of the quadrilateral frame 6. The lifting and unloading functions of the lifting device are mainly realized through a switching mechanism set in the support plate 7. Furthermore, each support plate 7 and support frame 11 is equipped with a lifting arm cylindrical pin 8, and each lifting arm 5 is respectively set on the support plate 7 and support frame 11 through the lifting arm cylindrical pin 8.

[0027] Each lifting arm 5 is connected to a lifting plate 3 (which, as one can imagine, also has four) via a lifting plate cylindrical pin 4. The lifting plate 3 is connected to a lifting frame 1 via a lifting bracket cylindrical pin 2. The lifting frame 1 is equipped with a lifting ring. The lifting plate 3 can be rotated via the lifting bracket cylindrical pin 2, and the lifting arm 5 can be rotated via the lifting plate cylindrical pin 4 and the lifting arm cylindrical pin 8.

[0028] The lifting process is as follows: The overhead crane hooks onto the lifting hole of the lifting frame 1 and moves upward. The lifting frame's cylindrical pin 2 drives the four lifting plates 3 upward, and the lifting plate's cylindrical pin 4 drives the four lifting arms 5 to rotate around the axes of the lifting arm cylindrical pins 8 of the support plate 7 and support frame 11, respectively. This causes the four clamping claws 9 and the rubber belt 10 to retract towards the center of the aluminum coil, thus clamping it. At this time, the automatic switching function for lifting and unloading is in the lifting state; when in the unloading state, the aluminum coil is lowered. The rubber belt 10 serves two purposes: first, to increase lifting friction, facilitating the lifting of the aluminum coil; and second, to protect the surface of the aluminum coil from scratches.

[0029] In this embodiment, the main function of the lifting and unloading device is to lift aluminum coils and unload them. This is mainly achieved through a switching mechanism that automatically switches between components. The switching mechanism mainly includes the following parts: ratchet 12, pawl 13, pin 27, spring seat cylindrical pin 14, spring seat 15, compression spring 16, cylindrical pin 17 with cylindrical steps, pawl arm 19, pawl arm pulling block 18, screw 20, pawl arm return spring 21, and unloading block 22. A spring seat 15 is provided with a spring seat cylindrical pin 14, and the spring seat 15 is mounted on the support plate 7 through the spring seat cylindrical pin 14; a pin 27 is provided on the pawl arm 19, and a pawl 13 is provided on the pin 27. The pawl 13 is connected to the ratchet 12, and an end face cam is provided on one end of the ratchet 12 near the spring seat 15; one end of the pawl arm actuating block 18 is connected to the lifting arm 5, and the other end is connected to the pawl arm 19 through a screw 20. A pawl arm return spring 21 is also provided on the pawl arm 19. In order to accurately control the circumferential phase of the ratchet 12, a return pawl 25 is also provided. The return pawl 25 is mounted on the support block 26 on the spring seat 15 and is fixed by a pin; a cylindrical pin 17 with a cylindrical step is connected to the spring seat 15 through a compression spring 16. A release block 22 is provided on the lifting arm 5 to limit the cylindrical pin 17 with a cylindrical step.

[0030] Furthermore, the ratchet 12 is also provided with a ratchet compression spring 23 and a fixing screw 24. One end of the ratchet compression spring 23 is connected to the fixing screw 24, and the other end is tightly attached to the end face of the fixed spring seat 15.

[0031] The switching process for lifting and unloading in this invention is as follows:

[0032] Before each lifting operation, the lifting device is in the unloaded state, meaning the aluminum coil inside has already been lowered. When lifting the aluminum coil, the overhead crane lowers the lifting device onto the coil to be lifted. At this point, the descent of the four-sided frame 6 and related components of the lifting device stops. Meanwhile, the lifting plate 3 of the lifting frame 1 and the lifting arm 5 continue to descend. The lifting arm 5 gradually rotates in the opposite direction around the cylindrical pin 8 of the lifting arm, rotating together with the pawl arm actuating block 18 connected to the lifting arm 5. Through the screw 20, the pawl arm 19 rotates clockwise around the cylindrical pin 14 of the spring seat, which in turn drives the pawl 13 via the pin 27, causing the ratchet 12 to rotate synchronously around the cylindrical pin 14 of the spring seat. The ratchet 12 has an end face cam near the spring seat 15, which is currently in a trough state. Under the action of the compression spring 16, the cylindrical pin 17 with a cylindrical step installed in the spring seat 15 retracts from the unloading block 22 on the lifting arm 5. At this point, the lifting arm 5 descends to its lowest position, and the descent ends.

[0033] Then, the overhead crane begins to move the lifting device upwards to lift the aluminum coil. During the lifting process, as the lifting arm 5 rotates around the lifting arm cylindrical pin 8, the pawl arm 19 resets under the action of the pawl arm return spring 21, simultaneously driving the pawl 13 to reset. To accurately control the circumferential phase of the ratchet 12, a return pawl 25 is also provided. This return pawl 25 is mounted on the support block 26 on the spring seat 15, which is also fixed by a pin. The pawl 13 and the return pawl 25 are pressed tightly against the ratchet tooth surface by their own weight.

[0034] When unloading aluminum coils, the overhead crane lifts the coil into the unloading position and then lowers it into place. The crane continues to descend, and the lifting arm 5 gradually rotates around the lifting arm cylindrical pin 8. This rotation is also caused by the pawl arm actuating block 18 on the lifting arm 5, which in turn drives the pawl arm 19 and pawl 13. The pawl 13 causes the ratchet 12 to rotate synchronously around the spring seat cylindrical pin 14. The crest of the cam on the end face of the ratchet 12 pushes the cylindrical pin 17 with a cylindrical step, overcoming the spring force of the compression spring 16, and extending downwards to lock the unloading block 22. The lifting arm 5 then descends to its lowest position, ending the descent. At this point, the crane moves upwards, and the lifting arm 5, locked by the cylindrical pin 17 with the cylindrical step, can no longer hold the aluminum coil, thus completing the unloading function. This process repeats continuously. The pawl 13 and pawl arm 19 are reset by the pawl arm return spring 21, preparing for the next operation.

[0035] It should also be noted that the ratchet 12 is equipped with a ratchet compression spring 23 and a fixing screw 24. One end of the ratchet compression spring 23 is tightly attached to the end face of the fixed spring seat 15. When the lifting arm 5 descends and drives the pawl arm 19, pawl 13, and ratchet 12 to rotate clockwise via the pawl arm actuating block 18, the ratchet 12 must overcome the friction of the ratchet compression spring 23 on the end face of the spring seat 15 to rotate. This prevents the ratchet 12 from overshooting due to inertia and maintains the correct position of the ratchet 12. The ratchet compression spring 23 acts as a damping element.

[0036] It should be noted that the terms "connection" and "setting" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "connection" or "setting" may explicitly or implicitly include one or more of that feature. Furthermore, the terms "connection" and "setting," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Moreover, for the foregoing embodiments, for the sake of simplicity, they are all described as a series of actions; however, those skilled in the art should understand that this application is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to this application. Secondly, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions involved are not necessarily essential to this application.

[0037] The above embodiments describe the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Modifications and variations made by those skilled in the art without departing from the spirit and scope of the invention should be within the protection scope of the appended claims.

Claims

1. An automatic lifting device for coiling electrical aluminum rods, characterized in that, It includes a hanger (1) and a four-sided frame (6). A support plate (7) is provided on the four-sided frame (6). A lifting arm (5) is provided on the support plate (7). A clamping grab (9) is provided at the lower end of the lifting arm (5). A rubber belt (10) is provided on the clamping grab (9). The upper end of the lifting arm (5) is connected to the hanger (1) through a lifting plate (3).

2. The automatic lifting device for coiling electrical aluminum rods as described in claim 1, characterized in that, The support plate (7) has two, which are respectively set on opposite corners of the quadrilateral frame (6), and support frames (11) are respectively set on the other set of opposite corners of the quadrilateral frame (6).

3. An automatic sling for electrical aluminum rod coils as claimed in claim 2, characterized in that, The lifting arm (5) has four parts, which are respectively set on the four corners of the four-sided frame (6). Each support plate (7) and support frame (11) is provided with a lifting arm cylindrical pin (8). The lifting arm (5) is respectively set on the support plate (7) and support frame (11) through the lifting arm cylindrical pin (8).

4. The automatic lifting device for coiling electrical aluminum rods as described in claim 3, characterized in that, The lifting arm (5) is connected to the lifting plate (3) via the lifting plate cylindrical pin (4), and the lifting plate (3) is connected to the hanger (1) via the hanger cylindrical pin (2). The hanger (1) is provided with a lifting ring.

5. An automatic sling for aluminum electrical rod coils as defined in claim 1, wherein, It also includes a switching mechanism, which is set inside the support plate (7) and drives the lifting arm (5) to lift or unload.

6. An automatic sling for electrical aluminum rod coils as claimed in claim 5, characterized in that, The switching mechanism includes a spring seat (15), on which a spring seat cylindrical pin (14) is provided. The spring seat (15) is mounted on the support plate (7) via the spring seat cylindrical pin (14).

7. The automatic lifting device for coiling electrical aluminum rods as described in claim 6, characterized in that, The switching mechanism also includes a ratchet (12) and a pawl arm (19). A pin (27) is provided on the pawl arm (19), and a pawl (13) is provided on the pin (27). The pawl (13) is connected to the ratchet (12), and an end face cam is provided on one end of the ratchet (12) near the spring seat (15).

8. An automatic sling for electrical aluminum rod coils as defined in claim 7, characterized in that, The switching mechanism also includes a pawl arm actuating block (18), one end of which is connected to the lifting arm (5), and the other end is connected to the pawl arm (19) by a screw (20).

9. An automatic sling for electrical aluminum rod coils as defined in claim 8, characterized in that, The switching mechanism also includes a cylindrical pin (17) with a cylindrical step, which is connected to a spring seat (15) via a compression spring (16). The lifting arm (5) is provided with a release block (22) for limiting the cylindrical pin (17) with a cylindrical step.

10. An automatic sling for electrical aluminum rod coils as claimed in claim 9, characterized in that, The ratchet (12) is also provided with a ratchet compression spring (23) and a fixing screw (24). One end of the ratchet compression spring (23) is connected to the fixing screw (24), and the other end is tightly attached to the end face of the fixed spring seat (15).

Images