Power and free chain lifting appliance for coating line of tower crane structural component

Abstract

The utility model discloses a tower crane structural member coating line power and free chain lifting appliance, which particularly relates to the technical field of coating auxiliary facilities, and comprises a front load beam, a connecting rod, a middle oil receiving disc, a rear load beam, a lifting rod, a cross arm beam, a chain hook assembly, a chain adjusting assembly and a hook suitable for different structural members, one side of the rear end of the front load beam is connected with one side of the front end of the rear load beam through a connecting rod, the two ends of the connecting rod are hinged to the front load beam and the rear load beam through safety pin shaft assemblies respectively, and a flexible connecting structure capable of swinging relatively is formed. According to the power and free trolley, the types and the number of hung structural parts can be increased, the multi-column and multi-layer hanging mode of large and small workpieces is achieved, the utilization rate of the power and free trolley is increased, energy consumption is reduced, the structural parts are hung more flexibly and conveniently through the flexible structural design of the chain hooks, meanwhile, the labor intensity of coating personnel is reduced, and the coating operation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of coating auxiliary facilities technology, and more specifically, to a tower crane structural component coating line accumulation chain hoist. Background Technology

[0002] As a highly automated integrated space storage and transportation system, the accumulation chain uses an aerial accumulation trolley as its carrier. It automatically switches the closing of the stopper according to actual production demand instructions, controlling the trolley's forward and stop operations. At the same time, the accumulation trolley can pass through spray chambers, high-temperature curing chambers, and production areas with hazardous gases, providing great convenience for the logistics and transportation of modern enterprises.

[0003] Due to the complex structure and variety of tower crane components, the suspension method of the hoisting trolley for aerial stacking is limited, resulting in size and structural limitations. Furthermore, the fixed method of the hanging parts is not easy to adjust, making it impossible to suspend various types of tower crane structural components.

[0004] To address the aforementioned problems, this utility model provides a chain lifting device for the painting line of tower crane structural components. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a tower crane structural component painting line accumulation chain lifting device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tower crane structural component painting line accumulating chain lifting device, comprising a front load beam, a connecting rod, an intermediate oil pan, a rear load beam, a lifting rod, a crossbeam, a chain hook assembly, a chain adjustment assembly, and hooks suitable for different structural components; the rear end of the front load beam is connected to the front end of the rear load beam via a connecting rod, and both ends of the connecting rod are hinged to the front load beam and the rear load beam respectively via safety pin assemblies, forming a flexible connection structure that can swing relative to each other; the intermediate oil pan is detachably installed at the bottom of the connecting rod and is located between the front load beam and the rear load beam; The upper surfaces of both the front and rear load beams are provided with multiple equally spaced screw holes. The upper end of the lifting rod is detachably connected to the screw holes by bolts, and the lower end is fixedly connected to the crossbeam. The upper surface of the crossbeam is provided with several lifting rings equally spaced. Each lifting ring is hooked to the upper end of the chain hook assembly, chain adjustment assembly, or standard section hook by an S-shaped hook. The lower end of the chain hook assembly or chain adjustment assembly is connected to an auxiliary lifting device by a lifting lug. The auxiliary lifting device includes several horizontally arranged lifting device struts. The surface of each lifting device strut is provided with several lifting device hooks for suspending small workpieces.

[0007] Preferably, there are two connecting rods, which are respectively set on the outer sides of the two ends of the front load beam and the rear load beam. One end of each connecting rod is hinged to the pin hole at the rear end of the front load beam through a safety pin, and the other end is hinged to the pin hole at the front end of the rear load beam through a safety pin, so that the front load beam and the rear load beam can swing relative to each other around the pin hole.

[0008] Preferably, the intermediate oil tray is detachably connected to the connecting rod via a concave connector and bolts, and the intermediate oil tray has a groove-shaped structure for accommodating and storing oil droplets falling from the chain.

[0009] Preferably, the chain adjustment assembly includes a chain body and adjustment bolts disposed at both ends of the chain body. One end of the adjustment bolt is threadedly connected to a chain link of the chain body, and the other end is provided with a nut. The suspension length of the chain can be adjusted by rotating the nut.

[0010] Preferably, the auxiliary lifting device further includes a lifting device connecting plate, which is vertically disposed at one end of every two adjacent lifting device struts, and the lifting device connecting plate is detachably connected to the corresponding lifting device strut via a lifting device hook.

[0011] Preferably, the standard section hook has an L-shaped structure, with anti-slip protrusions on the upper surface of its horizontal end, and the top of its vertical end is connected to an S-shaped hook through a bend, for engaging the lugs of standard section structural components of the tower crane.

[0012] Preferably, the front load beam, rear load beam, crossbeam and lifting support rod are all made of Q235B type channel steel and coated with epoxy zinc-rich anti-rust coating.

[0013] The technical effects and advantages of this utility model are as follows:

[0014] 1. The lifting device is designed with a multi-layer, multi-column auxiliary lifting structure for suspending small workpieces, which can significantly increase the number of workpieces suspended at one time, reduce the number of empty runs of the accumulation chain, and improve the efficiency of the painting operation. At the same time, the flexible connection structure between the front load beam and the rear load beam avoids the problem of chain jamming at bends, making the workpiece more stable during transportation, ensuring the positional accuracy of the workpiece during painting, and thus improving the painting quality. The setting of the intermediate oil tray effectively prevents oil droplets from the accumulation chain from contaminating the workpiece, which in turn ensures the painting effect.

[0015] 2. The front and rear load beams of the lifting device are equipped with equidistant bolt holes, allowing for flexible adjustment of the boom's installation position. Combined with the chain adjustment assembly for adjusting the suspension length, it can adapt to tower crane structural components of different sizes. In addition, various types of hooks, such as standard section hooks and lifting hooks for small workpieces, enable the lifting device to be compatible with various models of tower crane structural components, greatly enhancing its versatility. Moreover, most components adopt detachable connection methods, such as intermediate oil pans and auxiliary lifting device connecting plates, facilitating replacement and adjustment according to actual needs, further improving the applicability of the lifting device. Attached Figure Description

[0016] Figure 1 This is a front view of the present invention.

[0017] Figure 2 This is the left view of the present invention.

[0018] Figure 3 For the present utility model Figure 1 Enlarged diagram of point A in the middle.

[0019] Figure 4 This is a schematic diagram of the chain hook assembly, chain adjustment assembly, and standard section hook structure of this utility model.

[0020] Figure 5 This is a schematic diagram of the auxiliary lifting device structure of this utility model.

[0021] The attached diagram is labeled as follows: 1. Front load beam; 2. Connecting rod; 3. Intermediate oil pan; 4. Rear load beam; 5. Lifting rod; 6. Crossbeam; 7. Chain hook assembly; 8. Chain adjustment assembly; 9. Safety pin assembly; 10. S-hook; 11. Standard section hook; 12. Lifting lug; 13. Auxiliary lifting tool; 14. Lifting tool support rod; 15. Lifting tool hook; 16. Concave connector; 17. Lifting tool connecting plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] As attached Figure 1-5The illustrated tower crane structural component painting line accumulating chain lifting device includes a front load beam 1, a connecting rod 2, an intermediate oil pan 3, a rear load beam 4, a lifting rod 5, a crossbeam 6, a chain hook assembly 7, a chain adjustment assembly 8, and hooks suitable for different structural components. The rear end of the front load beam 1 is connected to the front end of the rear load beam 4 via the connecting rod 2, and both ends of the connecting rod 2 are hinged to the front load beam 1 and the rear load beam 4 respectively via safety pin assemblies 9, forming a flexible connection structure that can swing relative to each other. The intermediate oil pan 3 is detachably installed at the bottom of the connecting rod 2 and is located between the front load beam 1 and the rear load beam 4. The front load beam 1 and the rear load beam 4... The upper surface of beam 4 is provided with multiple equally spaced screw holes. The upper end of the lifting rod 5 is detachably connected to the screw holes by bolts, and the lower end is fixedly connected to the crossbeam 6. The upper surface of the crossbeam 6 is provided with several lifting rings equally spaced. Each lifting ring is hooked to the upper end of the chain hook assembly 7, chain adjusting assembly 8 or standard section hook 11 by an S-shaped hook 10. The lower end of the chain hook assembly 7 or chain adjusting assembly 8 is connected to the auxiliary lifting device 13 by the lifting lug 12. The auxiliary lifting device 13 includes several horizontally arranged lifting device support rods 14. The surface of each lifting device support rod 14 is provided with several lifting device hooks 15 for suspending small workpieces.

[0024] Specifically, in this structure, the front load beam 1 and the rear load beam 4 are hinged through the connecting rod 2 and the safety pin assembly 9 to form a flexible connection structure. When the accumulation chain runs to the curve, the front load beam 1 and the rear load beam 4 are allowed to swing relative to each other, avoiding the chain jamming problem caused by rigid connection, ensuring the smooth operation of the accumulation chain and ensuring the safety of the lifting equipment transportation.

[0025] The intermediate oil tray 3 is detachably installed at the bottom of the connecting rod 2, located between the front load beam 1 and the rear load beam 4. Its function is to receive and collect the oil droplets that drip from the chain during operation, preventing oil from falling onto the tower crane structural components suspended below and affecting the coating quality. It also facilitates regular disassembly and cleaning.

[0026] Both the front load beam 1 and the rear load beam 4 have equidistant bolt holes. The lifting rod 5 is detachably connected to it by bolts. The installation position of the lifting rod 5 can be adjusted according to the size of the workpiece, thereby changing the suspension height. The lifting rings on the crossbeam 6 are equidistantly distributed and different components and hooks are connected by S-shaped hooks 10. The chain adjustment assembly 8 can also adjust the suspension length to adapt to tower crane structural components of different heights and types.

[0027] The lower end of the chain hook assembly 7 or chain adjustment assembly 8 is connected to the auxiliary lifting device 13. The auxiliary lifting device 13 includes multiple horizontal lifting device struts 14, and the surface of the struts is provided with multiple lifting device hooks 15, which can realize multi-layer and multi-row suspension of small workpieces, increase the number of single suspensions, and improve the efficiency of painting operations.

[0028] In this embodiment, as shown in the appendix Figure 1 , 3As shown, there are two connecting rods 2, which are respectively set on the outer sides of the front load beam 1 and the rear load beam 4. One end of each connecting rod 2 is hinged to the pin hole at the rear end of the front load beam 1 through a safety pin, and the other end is hinged to the pin hole at the front end of the rear load beam 4 through a safety pin, so that the front load beam 1 and the rear load beam 4 can swing relative to each other around the pin hole.

[0029] Specifically, in this structure, during the accumulation chain transportation process, two connecting rods 2 are respectively installed on the outer ends of the front load beam 1 and the rear load beam 4, and are hinged to the corresponding beam pin holes through safety pins. Compared with rigid connections, this allows the front load beam 1 and the rear load beam 4 to swing relative to each other within a certain range, introducing flexibility into the entire lifting system. When the accumulation chain encounters situations such as uneven tracks or curves while running on the track, the flexible connection can avoid stress concentration caused by the inability of the beams to move relative to each other, preventing component damage and chain jamming accidents.

[0030] In this embodiment, as shown in the appendix Figure 1 , 3 As shown, the intermediate oil tray 3 is detachably connected to the connecting rod 2 via a concave connector 16 and bolts. The intermediate oil tray 3 has a groove-shaped structure and is used to collect and store oil droplets falling from the chain.

[0031] Specifically, in this structure, the intermediate oil receiving pan 3 is connected to the connecting rod 2 by a concave connector 16 and bolts. The concave connector 16 can fit tightly against the connecting rod 2 to provide stable support for the oil receiving pan. The bolt connection makes disassembly convenient. When the oil receiving pan needs to be cleaned or maintained, the bolts can be easily unscrewed and the oil receiving pan can be removed without complicated operations, which improves maintenance efficiency. It ensures the stability of the oil receiving pan during normal use and also takes into account the convenience of maintenance.

[0032] The intermediate oil tray 3 is designed as a groove, which can guide oil droplets to converge, prevent oil droplets from splashing everywhere, achieve effective collection, and prevent oil droplets from falling onto the tower crane structural components below, thus ensuring that the coating quality of the workpiece is not affected by oil.

[0033] In this embodiment, as shown in the appendix Figure 2 , 5 As shown, the auxiliary lifting device 13 also includes a lifting device connecting plate 17, which is vertically disposed at one end of each pair of adjacent lifting device struts 14. The lifting device connecting plate 17 is detachably connected to the corresponding lifting device strut 14 via a lifting device hook 15.

[0034] Specifically, in this structure, the lifting device connecting plate 17 is vertically arranged at one end of two adjacent lifting device struts 14, connecting multiple lifting device struts 14 into a whole. This enhances the structural stability of the auxiliary lifting device 13, allowing each lifting device strut 14 to work together to bear the force when suspending small workpieces. When a workpiece is suspended on the lifting device hook 15, the lifting device connecting plate 17 can distribute the weight of the workpiece, preventing individual lifting device struts 14 from tilting or swaying due to uneven force distribution, thus ensuring the stability of small workpieces during suspension and transportation.

[0035] In this embodiment, as shown in the appendix Figure 4 As shown, the standard section hook 11 has an L-shaped structure. The upper surface of its horizontal end is provided with anti-slip protrusions, and the top of its vertical end is connected to the S-shaped hook 10 through a bend, which is used to clamp the ears of the standard section structural parts of the tower crane.

[0036] Specifically, in this structure, the standard section hook 11 adopts an L-shaped structure, which is designed according to the shape and position of the ear of the tower crane standard section structural component. The horizontal end of the L-shape can fit against the lower part of the ear of the standard section, while the vertical end contacts the side of the ear, forming a stable snap-fit ​​structure. The cooperation between the horizontal end and the vertical end can firmly lock the standard section, preventing it from shifting or falling off during suspension and transportation, thus providing a basic structural guarantee for the hoisting of the standard section.

[0037] Anti-slip protrusions are provided on the upper surface of the L-shaped horizontal end, which increases the friction between the hook and the ear of the standard section, effectively preventing the standard section from sliding due to vibration, shaking and other factors, ensuring that the standard section always remains in a stable suspension position, and improving the safety of the hoisting process.

[0038] In this embodiment, as shown in the appendix Figure 1 , 2 As shown in Figure 5, the front load beam 1, rear load beam 4, crossbeam 6 and lifting support rod 14 are all made of Q235B type channel steel and coated with epoxy zinc-rich anti-rust coating.

[0039] Specifically, in this structure, the Q235B channel steel has good comprehensive mechanical properties and moderate yield strength, which can ensure that the front load beam 1, rear load beam 4, crossbeam 6 and lifting support rod 14 will not easily deform or break when bearing the weight of the tower crane structural components, the dynamic load during the operation of the stacking chain, and possible impact loads.

[0040] The epoxy zinc-rich anti-rust coating can prevent rust or corrosion of the front load beam 1, rear load beam 4, crossbeam 6 and lifting support rod 14, thus improving their service life.

[0041] Working principle of this utility model:

[0042] This application provides an accumulation chain lifting device for a tower crane structural component painting line. In practical use, the position of the lifting rod 5 is first adjusted according to the size of the tower crane structural component. The equidistant bolt holes on the front load beam 1 and the rear load beam 4 are connected to the lifting rod 5 with bolts. By selecting different bolt hole positions, the height of the lifting rod 5 can be flexibly changed to adapt to workpieces of different heights. The suspension length is adjusted using the chain adjustment assembly 8 so that the lifting device can adapt to the suspension requirements of structural components of different sizes. For different types of structural components, appropriate hooks are selected. For standard section structural components, L-shaped standard section hooks 11 are used, with the horizontal end anti-slip protrusion fitting against the lower part of the ear and the vertical end contacting the side of the ear, tightly locking to prevent displacement and falling off. For small workpieces, the lifting hooks 15 of the auxiliary lifting device 13 are used for multi-layer and multi-row suspension to increase the number of single suspensions.

[0043] The accumulating chain drives the lifting device and workpiece. The front load beam 1 and the rear load beam 4 are hinged together by two connecting rods 2 and a safety pin assembly 9 to form a flexible connection structure, which plays a key role. When the accumulating chain runs to a bend or encounters an uneven track, the front load beam 1 and the rear load beam 4 can swing relative to each other to avoid chain jamming and ensure smooth operation. At the same time, it disperses and buffers the gravity and dynamic forces of the suspended workpiece, protecting the lifting device structure. The intermediate oil tray 3 receives the oil droplets dripping from the accumulating chain. Its grooved structure and detachable installation at the bottom of the connecting rod 2 can effectively collect oil droplets to prevent contamination of the workpiece below and affect the coating quality. It is also easy to disassemble and clean regularly to keep the lifting device and workpiece clean.

[0044] The workpiece, with its suspension position adjusted, enters the coating area along the stacking chain. Each component stably supports the workpiece, ensuring it maintains the correct posture during the coating process. The lifting plate 17 of the auxiliary lifting device 13 enhances structural stability, allowing the lifting support rods 14 to work together to avoid uneven force distribution on individual support rods, which could cause the workpiece to shake and ensure coating uniformity and quality.

[0045] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A chain lifting device for accumulating loads on a tower crane structural component painting line, characterized in that: Includes front load beam (1), connecting rod (2), intermediate oil pan (3), rear load beam (4), lifting rod (5), crossbeam (6), chain hook assembly (7), chain adjustment assembly (8), and hooks suitable for different structural components; The rear end of the front load beam (1) is connected to the front end of the rear load beam (4) by a connecting rod (2), and the two ends of the connecting rod (2) are respectively hinged to the front load beam (1) and the rear load beam (4) by a safety pin assembly (9), forming a flexible connection structure that can swing relative to each other. The intermediate oil pan (3) is detachably installed at the bottom of the connecting rod (2) and located between the front load beam (1) and the rear load beam (4); The upper surfaces of the front load beam (1) and the rear load beam (4) are provided with multiple equally spaced screw holes. The upper end of the hanger (5) is detachably connected to the screw holes by bolts, and the lower end is fixedly connected to the crossbeam (6). The upper surface of the crossbeam (6) is equidistantly distributed with several lifting rings. Each lifting ring is connected to the upper end of the chain hook assembly (7), chain adjustment assembly (8), or standard section hook (11) via an S-shaped hook (10). The lower end of the chain hook assembly (7) or chain adjustment assembly (8) is connected to the auxiliary lifting device (13) via the lifting lug (12). The auxiliary lifting device (13) includes several horizontally arranged lifting device struts (14), and each of the lifting device struts (14) has several lifting device hooks (15) on its surface for suspending small workpieces.

2. The tower crane structural component painting line accumulating chain hoist according to claim 1, characterized in that: There are two connecting rods (2), which are respectively set on the outer sides of the front load beam (1) and the rear load beam (4). One end of each connecting rod (2) is hinged to the pin hole at the rear end of the front load beam (1) through a safety pin, and the other end is hinged to the pin hole at the front end of the rear load beam (4) through a safety pin, so that the front load beam (1) and the rear load beam (4) can swing relative to each other around the pin hole.

3. The tower crane structural component painting line accumulating chain hoist according to claim 1, characterized in that: The intermediate oil tray (3) is detachably connected to the connecting rod (2) by a concave connector (16) and bolts. The intermediate oil tray (3) has a groove-shaped structure and is used to collect and store oil droplets falling from the chain.

4. The tower crane structural component painting line accumulating chain hoist according to claim 1, characterized in that: The auxiliary lifting device (13) also includes a lifting device connecting plate (17), which is vertically arranged at one end of each pair of adjacent lifting device support rods (14). The lifting device connecting plate (17) is detachably connected to the corresponding lifting device support rod (14) through a lifting device hook (15).

5. The tower crane structural component painting line accumulating chain hoist according to claim 1, characterized in that: The standard section hook (11) has an L-shaped structure. Its upper surface at the horizontal end is provided with anti-slip protrusions, and the top of the vertical end is connected to the S-shaped hook (10) through a bend, which is used to snap onto the ears of the standard section structural parts of the tower crane.

6. The tower crane structural component painting line accumulating chain hoist according to claim 1, characterized in that: The front load beam (1), rear load beam (4), crossbeam (6) and lifting support rod (14) are all made of Q235B type channel steel and are coated with epoxy zinc-rich anti-rust coating.

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