Vertical lifting device for spray coating of winding drum assembly

Abstract

The utility model discloses a vertical hoisting device for spray coating of a winding drum assembly, which comprises a hoisting part and a buckling part, a plurality of suspension arm structures extending laterally are arranged in the circumferential direction of the hoisting part, and suspension points matched with the buckling part are arranged on the suspension arm structures; the clamping part comprises clamping jaw parts and hook parts, the clamping jaw parts are buckled on the edge of a workpiece flange plate, the hook parts are arranged on the upper sides of the clamping jaw parts and hung on the hanging points, and the multiple clamping jaw parts are distributed around the edge of the workpiece flange to form connecting points for balanced hoisting of the winding drum assembly. During working, firstly, the buckle part and a workpiece are assembled, and a clamping groove of the buckle part of the device is arranged in a workpiece flange plate. The hook of the hook groove part and the hook of the buckle part of the hoisting device are buckled with each other, and the vertical hoisting of the winding drum assembly can be completed by directly ascending a travelling crane. The device is suitable for vertical hoisting of mooring winding drum spraying in the ship industry, and is high in universality, safe, reliable and low in manufacturing cost. The problem that shot blasting and paint spraying are not in place due to the fact that the winding drum body is shielded is solved.

Description

Technical Field

[0001] This utility model relates to the field of lifting tooling technology, specifically to a vertical lifting device for spraying a roll assembly. Background Technology

[0002] Shipboard machinery includes steering gear, anchor winch, winch, etc. This drum assembly is part of the winch and is used to wind up and unwind cables. Since this type of drum assembly requires shot blasting and painting after welding, traditional painting and lifting methods cannot fully coat the inner wall of the drum.

[0003] Patent application CN202410122724.7 discloses a lifting device for an insulation cylinder, including a lifting platform, an installation ring for supporting the insulation cylinder, and multiple lifting rods arranged around the installation ring. The lifting rods are detachably connected to the installation ring. The lifting platform includes an installation plate, an adjustment plate rotatably connected to the installation plate, and a support rod that can move radially along the installation plate. A vortex groove is formed on one side of the adjustment plate. One end of the support rod is inserted into the installation plate and connected to multiple limiting blocks that match the vortex groove. The other end of the support rod is provided with a positioning sleeve that can be connected to the lifting rod. When lifting cylindrical items, the lifting rods and slings are connected to the bottom platform, and the cylindrical workpiece is placed on the platform. Its drawback is that the lifting rods and slings are on the outside of the workpiece, and the platform covers the bottom of the workpiece, resulting in many dead angles when spraying the workpiece, making it impossible to spray it completely.

[0004] In view of the above, it is necessary to propose a vertical lifting device for spraying roll assembly to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to overcome the defects in the existing technology and provide a vertical lifting device for spraying a roll assembly.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: A vertical lifting device for spraying a roll assembly includes a lifting part and a buckling part. The center of the lifting part forms a lifting hole that connects to a lifting device. The lifting part is provided with multiple laterally extending suspension arm structures in the circumference. The suspension arm structures are evenly distributed in the circumference, and the suspension arm structures are provided with suspension points that cooperate with the buckling part.

[0007] The buckle part includes a claw part and a hook part. The claw part is fastened to the edge of the workpiece flange plate, and the hook part is provided on the upper side of the claw part. The hook part is hung on the suspension point. Multiple claw parts are distributed around the edge of the workpiece flange to form the connection point of the balanced lifting drum assembly.

[0008] Furthermore, the lifting section includes a first beam plate and a second beam plate, which are fixedly arranged in a cross shape and intersected with each other. Both beam plates are arranged in a vertical plate shape, and the first beam plate and the second beam plate form a four-laterally extending cantilever structure.

[0009] Furthermore, the upper edge of the ends of the first beam plate and the second beam plate are provided with groove-shaped suspension points, and at least one suspension point is provided radially at the end of the suspension arm structure.

[0010] Furthermore, a right-angle rib is provided at the root where the first beam plate and the second beam plate intersect, and the far ends of two adjacent cantilever structures are reinforced and fixed by struts; the middle part of the first beam plate protrudes upward in a triangular plate shape, and a through waist-shaped lifting hole is provided at the protrusion in the middle part of the first beam plate.

[0011] Furthermore, the latch portion has an inverted F-shaped claw, which includes a vertical plate, an upper clamping rod, and a lower clamping rod. The upper and lower clamping rods are vertically fixed on one side of the vertical plate, and the spacing between the upper and lower clamping rods matches the thickness of the workpiece flange plate. A hook portion is connected to the upper end of the vertical plate. The hook portion has a U-shaped opening facing downwards, and the plane of the hook portion is perpendicular to the plane of the latch.

[0012] Furthermore, it also includes a workpiece centering structure for positioning the center cylinder of the rolled workpiece. The workpiece centering structure includes a drive disk and a centering slider. The centering slider is slidably connected and disposed on the lower side of the suspension arm structure. The centering slider extends downward and is provided with a locking arm. The drive disk is rotatably disposed on the lifting part. The drive disk is coaxially disposed with the longitudinal axis of the lifting part. The drive disk rotates circumferentially on the lifting part and simultaneously drives each centering slider to slide along the suspension arm structure.

[0013] Furthermore, the drive disk has a planar thread on the side facing the centering slider, and the side of the centering slider that is in contact with the drive disk has a rack that forms a threaded engagement with the planar thread.

[0014] The advantages and beneficial effects of this utility model are as follows: This utility model provides a vertical lifting device for spraying a roll assembly, which consists of two parts: a lifting part and a snap-fit ​​part. During operation, first, the snap-fit ​​part is installed with the workpiece, and the snap-fit ​​part of the device is inserted into the workpiece flange plate. Then, all four snaps are inserted into the workpiece flange plate, and the spacing between them is manually adjusted to ensure approximate even distribution, thus completing the snap-fit ​​part installation. Next, the lifting device uses a crane hook to hook the lifting hole, and the hook groove of the lifting device interlocks with the hook of the snap-fit ​​part. The crane then rises directly to complete the vertical lifting of the roll assembly for spraying operations. This device is suitable for vertical lifting of moored rolls for spraying in the shipbuilding industry, has strong versatility, is safe and reliable, and has low manufacturing costs. It solves the problem of incomplete shot blasting and painting due to the roll body being obstructed. Attached Figure Description

[0015] Figure 1 This is a lifting diagram of a vertical lifting device for spraying a roll assembly according to this utility model;

[0016] Figure 2 This is a structural schematic diagram of the lifting part in this utility model;

[0017] Figure 3 This is a schematic diagram of the buckle part in this utility model;

[0018] Figure 4 This is a schematic diagram of the workpiece centering structure added in this utility model;

[0019] Figure 5 This is an exploded view of the workpiece centering structure in this utility model;

[0020] Figure 6 This is a schematic diagram of the rack structure on the centering slider in this utility model;

[0021] In the diagram: 1. Lifting part; 2. Buckle part; 3. Drum assembly; 4. Lifting hole; 5. Suspension arm structure; 6. Suspension point; 7. Claw part; 8. Hook part; 9. Workpiece flange plate; 10. First beam plate; 11. Second beam plate; 12. Right angle rib plate; 13. Support rod; 14. Vertical plate; 15. Upper clamping rod; 16. Lower clamping rod; 17. U-shaped opening; 18. Workpiece centering structure; 19. Drive disc; 20. Centering slider; 21. Clamping arm; 22. Flat thread; 23. Rack; 24. Inner cylinder; 25. Slide rail; 26. Notch groove; 27. Bushing; 28. Rotating shaft. Detailed Implementation

[0022] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model. Example 1

[0023] A vertical lifting device for spraying a roll assembly includes a lifting part 1 and a locking part 2, such as... Figure 1 As shown, when the buckle part 2 is assembled with the lifting part 1, the drum assembly 3 can be lifted. The center of the lifting part 1 forms a lifting hole 4 that is connected to the lifting tool. The hook can be passed through the lifting hole 4 to carry out the lifting operation using a crane or other lifting tool.

[0024] The lifting section 1 is provided with multiple laterally extending suspension arm structures 5, which are evenly distributed circumferentially. In this embodiment, for example... Figure 2As shown, the lifting part 1 includes a first beam plate 10 and a second beam plate 11. The first beam plate 10 and the second beam plate 11 are interlocked and fixed in a cross shape. The two beam plates are welded together to form four cantilever structures 5. Both beam plates are arranged in a vertical plate shape. The vertical placement of the beam plate surface can improve the longitudinal load-bearing capacity of the lifting part 1 and effectively improve its strength. Figure 2 As shown, the first beam plate 10 and the second beam plate 11 form four laterally extending cantilever structures 5. The cantilever structures 5 are formed into upright plates. To prevent the beam plates from twisting and bending under gravity during hoisting, this embodiment reinforces the connection between the two cantilever structures 5. Specifically, right-angle ribs 12 are provided at the root of the intersection of the first beam plate 10 and the second beam plate 11, such as... Figure 2 As shown, the distal ends of two adjacent cantilever structures 5 are reinforced and fixed together by struts 13; the middle of the first beam plate 10 protrudes upward in a triangular shape, and a through-hole-shaped lifting hole 4 is provided at the protrusion in the middle of the first beam plate 10. In this way, the four cantilever structures 5 are welded and fixed together at the center by right-angle ribs 12, and the struts 13 are set at the distal ends, which can form a stable triangular structure between two adjacent cantilever structures 5, prevent the cantilever structures 5 from shifting in the horizontal direction, and improve the overall stability.

[0025] Furthermore, the cantilever structure 5 is provided with suspension points 6 that cooperate with the buckle part 2; specifically, the upper edges of the ends of the first beam plate 10 and the second beam plate 11 are both provided with grooved suspension points 6, such as... Figure 2 As shown, a groove-shaped suspension point 6 is formed at the end of the suspension arm, and at least one suspension point 6 is radially arranged at the end of the suspension arm structure 5. In this embodiment, only one suspension point 6 is formed at the end of the suspension arm, but multiple suspension points 6 can also be arranged for the buckle part 2 to be suspended, so as to be applicable to the fixing of workpiece flange plates 9 of different diameters.

[0026] Furthermore, the latching part 2 includes a claw part 7 and a hook part 8, such as... Figure 3As shown, the jaw portion 7 fastens to the edge of the workpiece flange plate 9. A hook portion 8 is provided on the upper side of the jaw portion 7. Specifically, the jaw of the latching portion 2 is inverted F-shape. The jaw includes a vertical plate 14, an upper clamping rod 15, and a lower clamping rod 16. The upper clamping rod 15 and lower clamping rod 16 are vertically fixed on one side of the vertical plate 14. The workpiece flange plate 9 is clamped by the upper clamping rod 15 and lower clamping rod 16. It can be understood that the distance between the upper clamping rod 15 and lower clamping rod 16 is pre-processed according to the workpiece of the rolled assembly 3 being processed, so that the distance between the upper clamping rod 15 and lower clamping rod 16 matches the thickness of the workpiece flange plate 9. Alternatively, the upper clamping rod 15 can be designed as an adjustable structure, allowing for adjustment for workpiece flange plates 9 of different thicknesses. This allows the lateral opening formed by the upper clamping rod 15 and lower clamping rod 16 to easily allow the workpiece flange plate 9 to be inserted. A small gap is maintained between the vertical plate 14 and the surface of the workpiece flange 9 to prevent large relative movement between the workpiece flange 9 and the claw portion 7. This allows for easy placement and locking onto the workpiece flange 9 for easy lifting. Furthermore, the upper end of the vertical plate 14 is connected to a hook portion 8, which has a downward-facing U-shaped opening 17. After the claw portion 7 is engaged with the edge of the workpiece flange 9, the lifting portion 1 is lowered close to the workpiece flange 9, and each hook portion 8 is hung at the corresponding suspension point 6. The plane of the hook portion 8 is perpendicular to the plane of the claw portion. Thus, when the U-shaped opening 17 is hung at the suspension point 6, the vertical plate 14 is attached to the side wall of the beam plate. The mutual contact between the two provides a certain degree of lateral stability, preventing swaying during lifting. Under the weight of the workpiece, the buckle portion 2 can be firmly engaged with the lifting portion 1, preventing it from falling off. In use, each hook portion 8 is hung on the suspension point 6, and multiple claw portions 7 are distributed around the edge of the workpiece flange to form the connection point of the balanced lifting drum assembly 3.

[0027] Specifically, the lifting part 1 has two cross-shaped beams, with four grooved suspension points 6 at the ends of the two beams. The intersection of the beams forms lifting holes 4 for connection with the hooks. The lower part of the latching part 2 has laterally extending claws that engage with the drum, and the upper part has a downward-facing U-shaped hook. The four latching parts 2 are hung on the suspension points 6 via the U-shaped hooks. During operation, the latching parts 2 are first attached to the workpiece, and the claws of the latching parts 2 are engaged with the workpiece flange plate 9. Next, all four latching parts 2 are inserted into the workpiece flange plate 9, and the spacing is manually adjusted to ensure approximate even distribution. The latching parts 2 are then fully installed. Next, the lifting device uses a crane hook to hook the lifting hole 4. The hook groove suspension point 6 of the lifting device interlocks with the U-shaped hook of the latching part 2, and the crane rises directly to complete the vertical lifting of the drum assembly 3 for spraying operations. This device is suitable for vertical lifting of moored spray drums in the shipbuilding industry. It is highly versatile, safe, reliable, and low in manufacturing cost. This fixture can expose all three surfaces of the drum assembly, facilitating painting and other operations, and solving the problem of incomplete shot blasting and painting on the surface of the drum assembly. Example 2

[0028] In the aforementioned embodiment, under the gravity of the drum assembly 3, the buckle part 2 and the lifting part 1 can be fixed in a suspended form. However, firstly, when the lifting part 1 and the buckle part 2 are installed and connected, it is not easy to control the center position of the drum assembly 3 to coincide with the center position of the lifting part 1, which can easily cause the center of gravity to deviate after suspension, posing a certain risk to the lifting. Secondly, since the upper center of the drum assembly 3 is offset from the center of the lifting part 1, it will also affect the mutual fastening between the buckle part 2 and the suspension point 6, often requiring multiple adjustments to achieve proper suspension, resulting in reduced efficiency. Furthermore, during the lifting of the drum assembly 3, relying solely on the clamping of the gripper and the suspension of the hook part 8, the gripper is prone to detaching from the workpiece flange plate 9 due to collisions or other reasons during the lifting and transfer of the drum assembly 3, causing danger.

[0029] As an improvement, such as Figure 4 As shown, it also includes a workpiece centering structure 18 for positioning the center cylinder of the workpiece. In use, the locking arm 21 in the workpiece centering structure 18 can be inserted into and expanded from the upper end of the inner cylinder 24 of the drum assembly 3, so that the center of the drum assembly 3 and the center of the lifting part 1 can be aligned with each other.

[0030] Specifically, such as Figure 5 , 6As shown, the workpiece centering structure 18 includes a drive disk 19 and a centering slider 20. The centering slider 20 is slidably connected to the lower side of the suspension arm structure 5. The centering slider 20 extends downward and is provided with a locking arm 21. Slide rails 25 are provided on both sides of the suspension arm for the centering slider 20 to move, so that the centering slider 20 can slide and change position along the direction of the suspension arm structure 5 when sliding on the slide rails 25. The drive disk 19 is rotatably mounted on the lifting part 1. A notch 26 for mounting the drive disk 19 is provided at the intersection of the two beams. The drive disc 19 is coaxially arranged with the longitudinal axis of the lifting part 1. A bushing 27 is provided along the central axis of the lifting part 1, and a rotating shaft 28 is provided at the center of the drive disc 19. The rotating shaft 28 is rotatably installed in the bushing 27, allowing the drive disc 19 to rotate freely. In actual use, a power mechanism (not shown in the figure) can be added to control the rotation of the drive disc 19. A structure combining an electric motor and a reduction gear can be used to control the rotation of the drive disc 19, or a combination of worm gears can be used for manual control of the rotation of the drive disc 19. Figure 5 As shown, the drive disc 19 has a planar thread 22 on the side facing the centering slider 20. When the drive disc 19 rotates, the planar thread 22 rotates accordingly. The planar thread 22 controls the movement of each centering slider 20 around the drive disc 19, so that the rotation of the drive disc 19 can simultaneously drive each centering slider 20 to slide along the suspension arm structure 5, so that the surrounding locking arms 21 can simultaneously retract or expand, thereby locking onto the inner cylinder 24 to achieve concentric positioning of the drum assembly 3 and the lifting part 1. Specifically, the side of the centering slider 20 that is in contact with the drive disc 19 has a rack 23 that forms a threaded engagement with the planar thread 22, such as... Figure 6 As shown, the tooth profile of the rack 23 is formed in an arc shape, so that each tooth on the rack 23 can mesh with the planar thread 22; the rack 23 is installed on the upper end face of the centering slider 20, so that the rack 23 is threadedly engaged with the planar thread 22. It can be understood that the four centering sliders 20 are engaged with the same planar thread 22 at the same time, so when the drive disk 19 rotates, it can control the four centering sliders 20 to slide.

[0031] In actual use, each latching part 2 is first fixed to the workpiece flange plate 9 by the clamping claw part 7. Then, the lifting part 1 is moved above the drum assembly 3, and the spacing of the clamping arms 21 is reduced beforehand. The lifting part 1 is then controlled to move downward so that the clamping arms 21 are inserted into the inner cylinder 24 of the drum assembly 3. Then, the power mechanism controls the expansion of each clamping arm 21. During the expansion process, the drum assembly 3 and the lifting part 1 can be centered and fixed. It is understood that it is not advisable to expand and clamp the clamping arms 21 tightly to the inner wall of the inner cylinder 24. A certain gap can be maintained so that the drum assembly 3 and the lifting part 1 are properly aligned. The relative offset of part 1 can be controlled within a small range; after the drum assembly 3 and the lifting part 1 are centered, the locking part 2 can be rotated to the corresponding suspension point 6 when the lifting part 1 is rotated. Then the lifting part 1 is lifted upwards, and the locking part 2 can be locked into the suspension point 6. In actual use, this embodiment adds centering and positioning of the drum assembly 3, so even if a collision occurs during movement, the relative movement of the drum assembly 3 is limited by the workpiece centering structure 18, so the locking part 2 is not easy to fall off, improving safety and improving the accuracy and efficiency of the workpiece installation process.

[0032] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A vertical lifting device for spraying a roll assembly, characterized in that, It includes a lifting part (1) and a buckle part (2). The center of the lifting part (1) forms a lifting hole (4) that connects to the lifting device. The lifting part (1) is provided with multiple laterally extending suspension arm structures (5) in the circumferential direction. The suspension arm structures (5) are evenly distributed in the circumferential direction. The suspension arm structures (5) are provided with suspension points (6) that cooperate with the buckle part (2). The buckle part (2) includes a claw part (7) and a hook part (8). The claw part (7) is fastened to the edge of the workpiece flange plate (9). The hook part (8) is provided on the upper side of the claw part (7). The hook part (8) is hung on the suspension point (6). Multiple claw parts (7) are distributed around the edge of the workpiece flange to form the connection point of the balanced lifting drum assembly (3).

2. The vertical lifting device for spraying a roll assembly according to claim 1, characterized in that, The lifting part (1) includes a first beam plate (10) and a second beam plate (11). The first beam plate (10) and the second beam plate (11) are fixedly arranged in a cross shape. Both beam plates are arranged in a vertical plate shape. The first beam plate (10) and the second beam plate (11) form four laterally extending cantilever structures (5).

3. The vertical lifting device for spraying a roll assembly according to claim 2, characterized in that, The upper edge of the first beam plate (10) and the second beam plate (11) are provided with grooved suspension points (6), and at least one suspension point (6) is provided radially at the end of the suspension arm structure (5).

4. The vertical lifting device for spraying a roll assembly according to claim 3, characterized in that, The root of the first beam plate (10) and the second beam plate (11) is provided with a right-angle rib plate (12), and the far ends of the two adjacent suspension arm structures (5) are reinforced and fixed by a strut (13); the middle part of the first beam plate (10) protrudes upward in a triangular plate shape, and the middle part of the first beam plate (10) is provided with a through waist hole-shaped lifting hole (4) at the protrusion.

5. A vertical lifting device for spraying a roll assembly according to claim 4, characterized in that, The latching part (2) has an inverted F-shaped claw. The claw includes a vertical plate (14), an upper clamping rod (15), and a lower clamping rod (16). The upper clamping rod (15) and the lower clamping rod (16) are vertically fixed on one side of the vertical plate (14). The spacing between the upper clamping rod (15) and the lower clamping rod (16) matches the thickness of the workpiece flange plate (9). The upper end of the vertical plate (14) is connected to a hook part (8). The hook part (8) has a U-shaped opening (17) facing downwards. The plane of the hook part (8) is perpendicular to the plane of the claw.

6. The vertical lifting device for spraying a roll assembly according to claim 1, characterized in that, It also includes a workpiece centering structure (18) for positioning the center cylinder of the rolled workpiece. The workpiece centering structure (18) includes a drive disk (19) and a centering slider (20). The centering slider (20) is slidably connected to the lower side of the suspension arm structure (5). The centering slider (20) extends downward and is provided with a stop arm (21). The drive disk (19) is rotatably mounted on the lifting part (1). The drive disk (19) is coaxially mounted with the longitudinal axis of the lifting part (1). The drive disk (19) rotates circumferentially on the lifting part (1) and simultaneously drives each centering slider (20) to slide along the suspension arm structure (5).

7. A vertical lifting device for spraying a roll assembly according to claim 6, characterized in that, The drive disk (19) has a planar thread (22) on the side facing the centering slider (20), and the centering slider (20) has a rack (23) on the side that fits against the drive disk (19) to form a threaded engagement with the planar thread (22).

Images