Rotating arm type hoisting auxiliary mechanism for expansion machine

Abstract

The utility model discloses a tumbler type hoisting auxiliary mechanism for an expansion machine in the technical field of hoisting equipment, which comprises a supporting block, a plurality of groups of round rods are welded on both sides of the supporting block, supporting components are slidably mounted on the round rods on both sides of the supporting block, and a first adjusting component for driving the supporting components to move on the surfaces of the round rods is mounted at the top of the supporting block; two sets of lifting rings are symmetrically installed on the tops of the two sets of supporting assemblies, and two sets of clamping assemblies used for being connected with the side edges of the expansion machine are symmetrically arranged on the sides, close to the supporting blocks, of the supporting assemblies. The problems that an expansion machine is inconvenient to hoist directly by using a hook and the like, a hoisting auxiliary mechanism capable of fastening the expansion machine often needs to be arranged, and the hoisting auxiliary mechanism is poor in adjustment flexibility, inconvenient to adapt to equipment of various models and not convenient for people to use are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting equipment, in particular to a rotary arm type hoisting auxiliary mechanism for an expander. Background Art

[0002] As an important equipment in the air separation unit, the expansion part of the cold box needs to be disassembled and hoisted for maintenance. As the gas bearing turbine expander becomes larger and larger, its weight becomes heavier and heavier, and it becomes more and more difficult to assemble and disassemble. When the user assembles and disassembles the expander on site, when the weight of the core exceeds 50 kilograms, it is very difficult for the operator to assemble and disassemble directly. If not careful, it may cause work-related accidents. Therefore, when assembling and disassembling the expander part, a jib crane is usually required to cooperate.

[0003] When the existing expander swivel arm lifting equipment is used to lift the components, it is not convenient to directly lift the expander using a hook or the like, and it is often necessary to equip it with a lifting auxiliary mechanism that can tighten the expander. The lifting auxiliary mechanism has poor adjustment flexibility, is not convenient for use on various types of equipment, and is not conducive to people's use. Therefore, those skilled in the art have provided a swivel arm lifting auxiliary mechanism for an expander to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a rotary arm type lifting auxiliary mechanism for an expander to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotatable arm hoisting auxiliary mechanism for an expander, comprising a support block, a plurality of groups of round rods are welded on both sides of the support block, support components are slidably mounted on the round rods on both sides of the support block, and a first adjustment component is mounted on the top of the support block to drive the support component to move on the surface of the round rod;

[0006] Two sets of lifting rings are symmetrically installed on the top of the two sets of support assemblies, and two sets of clamping assemblies for connecting the side of the expander are symmetrically arranged on one side of the support assembly close to the support block. A second adjustment assembly for controlling the distance between the two sets of clamping assemblies is installed on the support assembly.

[0007] Preferably: the support assembly includes a connecting long rod slidably mounted on multiple groups of round rods, both ends of the connecting long rod are hingedly connected to supporting diagonal rods, the bottom ends of the two groups of supporting diagonal rods are hingedly connected to the same connecting short rod, and the lifting ring is fixedly mounted on the top of the connecting long rod.

[0008] Preferably: the first adjustment assembly includes a first adjustment screw rotatably mounted on the top of the support block, two groups of auxiliary rods located on both sides of the first adjustment screw are welded to the top of the support block, and a movable block that can slide up and down on the surface of the auxiliary rod is threadedly connected to the first adjustment screw, and the side of the movable block is connected to the top of the connecting long rod through two groups of hinged movable rods.

[0009] Preferably, the top ends of the two groups of auxiliary rods are welded to a same fixing rod, and the fixing rod is rotatably connected to the first adjusting screw rod via a bearing.

[0010] Preferably: the second adjusting assembly includes a second adjusting screw rotatably connected to the connecting long rod and the connecting short rod, a lifting block is threadedly connected to the second adjusting screw, connecting blocks are slidably installed on the two groups of supporting diagonal rods, frame rods sliding through the connecting blocks are welded on both sides of the lifting block, and the sides of the connecting block are connected to the clamping assembly through welded support columns.

[0011] Preferably, two groups of rack rods are welded to both sides of the lifting block, and the two groups of rack rods are symmetrically installed on both sides of the supporting diagonal rod.

[0012] Preferably: the clamping assembly comprises a U-shaped support frame welded to the end of the support column, a clamping plate is slidably installed inside the U-shaped support frame, and the internal thread of the U-shaped support frame is connected to a fastening screw that is rotatably connected to the top of the clamping plate at the bottom.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a first adjusting screw is provided to drive the movable block to move up and down on the surface of the auxiliary rod. The movable block can drive the support assembly to slide on the surface of the round rod through the movable rod. The distance between the clamping assemblies on both sides is adjusted by moving the support assembly, so that the expander to be hoisted can be conveniently clamped and fastened. The side of the equipment can be fixed by the clamping plate, the fastening screw and the U-shaped support frame to facilitate the subsequent hoisting.

[0015] 2. In the utility model, a second adjusting screw is provided to drive the lifting block and the frame rod to move, and the frame rod can drive the connecting block to slide along the axial direction of the supporting diagonal rod, so that the distance between the two groups of clamping components on the side of the connecting block can be easily adjusted, and the auxiliary mechanism can be easily assembled with equipment of different models, thereby improving the stability of the four groups of clamping components in lifting the expander. The swivel arm lifting auxiliary mechanism for the expander has high flexibility when used, and the overall stability of the device is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a side view of the overall structure of the utility model.

[0018] In the figure: 1. support block; 2. round rod; 3. lifting ring; 4. connecting long rod; 5. supporting diagonal rod; 6. connecting short rod; 7. first adjusting screw; 8. auxiliary rod; 9. movable block; 10. movable rod; 11. fixed rod; 12. second adjusting screw; 13. lifting block; 14. connecting block; 15. rack rod; 16. supporting column; 17. U-shaped supporting frame; 18. clamping plate; 19. fastening screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 In an embodiment of the utility model, a swiveling arm type lifting auxiliary mechanism for an expander includes a support block 1, multiple groups of round rods 2 are welded on both sides of the support block 1, support components are slidably installed on the round rods 2 on both sides of the support block 1, a first adjusting component for driving the support component to move on the surface of the round rod 2 is installed on the top of the support block 1, two groups of lifting rings 3 are symmetrically installed on the top of the two groups of support components, two groups of clamping components for connecting the side of the expander are symmetrically arranged on one side of the support component close to the support block 1, and a second adjusting component for controlling the distance between the two groups of clamping components is installed on the support component.

[0021] When in use, the auxiliary mechanism is assembled with the jib-type hoist using the lifting ring 3. The staff rotates the first adjusting component, and the first adjusting component drives the supporting component to slide on the round rod 2. After the two groups of supporting components are moved to both sides of the expander that needs to be hoisted, the operator rotates the second adjusting component. The second adjusting component can adjust the distance between the two groups of clamping components on the same side. After the clamping component is buckled to the side of the expander that needs to be hoisted, the clamping component is rotated to fix the side of the expander, and the expander can be conveniently hoisted and transferred using the jib-type hoist.

[0022] In one embodiment, specifically, the supporting assembly includes a connecting long rod 4 slidably mounted on multiple groups of round rods 2, both ends of the connecting long rod 4 are hingedly connected to supporting diagonal rods 5, the bottom ends of the two groups of supporting diagonal rods 5 are hingedly connected to the same connecting short rod 6, and the lifting ring 3 is fixedly mounted on the top of the connecting long rod 4. The components are assembled by means of hinged connections to facilitate the overall assembly of the auxiliary mechanism.

[0023] Specifically, the first adjustment component includes a first adjustment screw 7 rotatably installed on the top of the support block 1, two groups of auxiliary rods 8 located on both sides of the first adjustment screw 7 are welded to the top of the support block 1, and a movable block 9 that can slide up and down on the surface of the auxiliary rod 8 is threadedly connected to the first adjustment screw 7, and the side of the movable block 9 is connected to the top of the connecting long rod 4 through two groups of hinged movable rods 10.

[0024] The operator rotates the first adjusting screw 7, and the first adjusting screw 7 drives the movable block 9 to move up and down on the surface of the auxiliary rod 8. The auxiliary rod 8 can provide auxiliary support and limit for the movable block 9. The movable block 9 drives the movable rod 10 to move, and the movable rod 10 can drive the connecting long rod 4 to slide on the surface of the round rod 2. Furthermore, the top ends of the two groups of auxiliary rods 8 are welded and connected with the same fixed rod 11. The fixed rod 11 is rotatably connected to the first adjusting screw 7 through a bearing, which can improve the stability of the support of the first adjusting screw 7 and the auxiliary rod 8.

[0025] In one embodiment, specifically, the second adjustment assembly includes a second adjustment screw 12 rotatably connected to the connecting long rod 4 and the connecting short rod 6, a lifting block 13 is threadedly connected to the second adjustment screw 12, connecting blocks 14 are slidably installed on the two sets of supporting diagonal rods 5, and frame rods 15 slidingly passing through the connecting blocks 14 are welded on both sides of the lifting block 13, and the sides of the connecting block 14 are connected to the clamping assembly through welded support columns 16.

[0026] The operator turns the second adjusting screw 12, and the second adjusting screw 12 drives the lifting block 13 to move up and down, and the lifting block 13 drives the frame rod 15 to move, and the frame rod 15 can drive the connecting block 14 to slide along the axial direction of the supporting diagonal rod 5, so as to facilitate the adjustment of the spacing between the two groups of clamping components on the side of the connecting block 14, and facilitate the assembly of the auxiliary mechanism with equipment of different models. Furthermore, two groups of frame rods 15 are welded and connected on both sides of the lifting block 13, and the two groups of frame rods 15 are symmetrically installed on both sides of the supporting diagonal rod 5, which can improve the stability of the frame rod 15 driving the connecting block 14 to move.

[0027] In one embodiment, specifically, the clamping assembly includes a U-shaped support frame 17 welded to the end of the support column 16, and a clamping plate 18 is installed inside the U-shaped support frame 17 for sliding up and down. The internal thread of the U-shaped support frame 17 is connected to a fastening screw 19 that is rotatably connected to the top of the clamping plate 18 at the bottom. The U-shaped support frame 17 is snapped to the side of the equipment that needs to be hoisted. The operator rotates the fastening screw 19, and the fastening screw 19 drives the clamping plate 18 to move up and down. The clamping plate 18 and the U-shaped support frame 17 can cooperate to fasten the side of the equipment, which is convenient for subsequent hoisting.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rotary arm type lifting auxiliary mechanism for an expander, characterized in that: It comprises a support block (1), a plurality of groups of round rods (2) are welded on both sides of the support block (1), support components are slidably mounted on the round rods (2) on both sides of the support block (1), and a first adjustment component is mounted on the top of the support block (1) for driving the support component to move on the surface of the round rod (2); Two groups of lifting rings (3) are symmetrically installed on the top of the two groups of support assemblies, and two groups of clamping assemblies for connecting to the side of the expander are symmetrically arranged on one side of the support assembly close to the support block (1), and a second adjustment assembly for controlling the distance between the two groups of clamping assemblies is installed on the support assembly.

2. The rotary arm type lifting auxiliary mechanism for the expander according to claim 1, characterized in that: The support assembly comprises a connecting long rod (4) slidably mounted on a plurality of groups of round rods (2), both ends of the connecting long rod (4) are hingedly connected to supporting diagonal rods (5), the bottom ends of the two groups of supporting diagonal rods (5) are hingedly connected to the same connecting short rod (6), and the lifting ring (3) is fixedly mounted on the top of the connecting long rod (4).

3. The rotary arm type lifting auxiliary mechanism for the expander according to claim 2, characterized in that: The first adjustment assembly comprises a first adjustment screw (7) rotatably mounted on the top of the support block (1); two groups of auxiliary rods (8) are welded to the top of the support block (1) and are located on both sides of the first adjustment screw (7); a movable block (9) is threadedly connected to the first adjustment screw (7) and can slide up and down on the surface of the auxiliary rod (8); the side surface of the movable block (9) is connected to the top of the connecting long rod (4) via two groups of hinged movable rods (10).

4. The rotary arm type lifting auxiliary mechanism for the expander according to claim 3, characterized in that: The top ends of the two groups of auxiliary rods (8) are welded to a same fixing rod (11), and the fixing rod (11) is rotatably connected to the first adjusting screw rod (7) via a bearing.

5. The rotary arm type lifting auxiliary mechanism for the expander according to claim 2, characterized in that: The second adjustment assembly comprises a second adjustment screw (12) rotatably connected to the connecting long rod (4) and the connecting short rod (6); a lifting block (13) is threadedly connected to the second adjustment screw (12); connecting blocks (14) are slidably mounted on the two groups of supporting inclined rods (5); both sides of the lifting block (13) are welded with a frame rod (15) that slides through the connecting block (14); and the side of the connecting block (14) is connected to the clamping assembly via a welded support column (16).

6. The rotary arm type lifting auxiliary mechanism for the expander according to claim 5, characterized in that: Two groups of rack rods (15) are welded to both sides of the lifting block (13), and the two groups of rack rods (15) are symmetrically installed on both sides of the supporting diagonal rod (5).

7. The rotary arm type lifting auxiliary mechanism for the expander according to claim 5, characterized in that: The clamping assembly comprises a U-shaped support frame (17) welded to the end of a support column (16), a clamping plate (18) is slidably mounted inside the U-shaped support frame (17), and a fastening screw (19) is threadedly connected to the bottom end of the U-shaped support frame (17) and rotatably connected to the top of the clamping plate (18).

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