A flip assisting device for large equipment

Abstract

The utility model discloses a flipping auxiliary device for large equipment, including a mounting block, which is arranged at the bottom of the sling, and also includes a supporting mechanism for constituting a supporting frame structure, a flipping mechanism for driving the lifting component to flip a certain angle, and a lifting mechanism for firmly positioning the lifting component. The supporting mechanism is arranged at the bottom of the mounting block, the flipping mechanism is configured on the inner side of the supporting mechanism, and the lifting mechanism is assembled at the lower part of the flipping mechanism. The beneficial effect of the utility model is that a flipping mechanism is provided to cooperate with the lifting mechanism to form a controllable flipping structure, which can stably lift and transport the lifting component and drive the component to flip a certain angle according to the center of gravity position of the special-shaped component, and at the same time maintain the flipping angle for lifting and transportation, which can meet the small-angle flip lifting requirements of the special-shaped component, and the flipping auxiliary device can realize the lifting operation without the cooperation of the wire rope, and can independently lift the component.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting equipment, in particular to a turnover auxiliary device for large equipment. Background Art

[0002] In the prior art, some large components, in order to facilitate transportation to the site, often need to be horizontally flipped 90 degrees or 180 degrees before on-site hoisting to correspond to the installation orientation; in addition, for the convenience of welding, minimizing the upward face welding, ensuring the welding quality, and speeding up the welding progress of prefabricated large components, the component body is often flipped several times to meet the needs of the project. At present, when large equipment is loaded and transported, the protruding lifting ears will produce super-high and super-wide phenomena. Therefore, the equipment lifting ears will be rotated to a certain angle during transportation and placed, and then flipped to the correct angle after arriving at the site. Most traditional flipping processes are to hang the lifting wire rope directly on the hook to flip the equipment. The wire rope and the hook are in direct contact, friction will be generated during the flipping process, and the component will shake greatly when passing the critical state, and the impact on the equipment is large, which is easy to damage the equipment and the crane, which is not good for the safety of the lifting machinery. In addition, this method requires larger-sized wire ropes to be bundled, and the wire ropes are relatively rigid and inconvenient to operate. Another way is to use two cranes to lift together, each hanging on both sides of the component, and the two cranes rise and fall to flip the component. Although this method is stable, it increases the cost of machinery, not to mention that some narrow construction sites cannot accommodate two cranes at the same time.

[0003] The Chinese utility model patent with application number: 202022128080.2 discloses a large equipment flipping auxiliary device, including two parallel fixed plates and disassembly plates, with a gap between the fixed plate and the disassembly plate, and an upper pin shaft assembly and a lower pin shaft assembly distributed up and down are provided in the gap, the fixed plate and the disassembly plate are detachably connected together through the upper pin shaft assembly and the lower pin shaft assembly, the upper pin shaft assembly is rotatably connected to an upper roller, the lower pin shaft assembly is rotatably connected to a lower roller, the upper roller is covered with a lifting wire rope for connecting to a crane hook, and the lower roller is covered with a flipping wire rope for connecting to the equipment to be flipped. However, this type of large equipment flipping auxiliary device can only cooperate with steel wire ropes to flip the components as a whole. It is unable to flip the components to a certain angle according to the center of gravity position of the special-shaped components and maintain the flipping angle for lifting and transportation. That is, it cannot meet the small-angle flipping lifting requirements of special-shaped components. It needs to cooperate with steel wire ropes for lifting operations, and cannot independently lift the components. It is highly dependent on lifting accessories and has certain usage restrictions. Utility Model Content

[0004] The utility model aims to provide a turnover auxiliary device for large equipment.

[0005] In order to achieve the above purpose, the technical solution proposed by the utility model is:

[0006] A flipping auxiliary device for large equipment includes a mounting block, which is arranged at the bottom of a sling, a supporting mechanism for constituting a supporting frame structure, a flipping mechanism for driving a hoisting component to flip at a certain angle, and a hoisting mechanism for firmly positioning the hoisting component. The supporting mechanism is arranged at the bottom of the mounting block, the flipping mechanism is configured on the inner side of the supporting mechanism, and the hoisting mechanism is assembled at the lower part of the flipping mechanism.

[0007] The supporting mechanism includes a supporting top frame, a supporting side frame and a supporting side plate, the supporting top frame is arranged at the bottom of the mounting block and fixedly connected to the mounting block, the supporting side frames are provided with two groups, the two groups of supporting side frames are symmetrically arranged at both sides of the bottom of the supporting top frame and fixedly connected to the supporting top frame, the supporting side frames and the supporting top frame are arranged perpendicular to each other, and the supporting side plates are arranged on the inner side of one group of the supporting side frames and fixedly connected to the corresponding supporting side frames.

[0008] The flipping mechanism includes a flipping motor, a flipping reducer, a flipping driving gear and a rotating assembly. The flipping motor is arranged on the outer side of the supporting side plate and is fixedly connected to the supporting side plate. The flipping reducer is arranged on the outer side of the supporting side plate and is fixedly connected to the supporting side plate corresponding to the flipping motor. The input end of the flipping reducer is transmission-connected to the output end of the flipping motor. The output end of the flipping reducer passes through the supporting side plate. The flipping driving gear is arranged at the output end of the flipping reducer and is fixedly connected to the output end of the flipping reducer. The flipping driving gear is located on the inner side of the supporting side plate. The rotating assembly is arranged between the lower parts of the two groups of supporting side frames corresponding to the flipping driving gear.

[0009] The rotating assembly includes a bearing seat, a rotating frame and a rotating gear. The bearing seat is provided with two groups. The two groups of bearing seats are respectively arranged at the bottom of the two groups of supporting side frames and are fixedly connected to the corresponding supporting side frames. The rotating frame is arranged between the two groups of bearing seats and its two ends are rotatably connected to the two groups of bearing seats through a rotating shaft. The rotating gear is arranged at one end of the rotating frame and is fixedly connected to the rotating frame. The rotating gear is meshed with the flip driving gear. The diameter of the rotating gear is larger than the diameter of the flip driving gear. The rotating gear is arranged as a semicircular gear structure.

[0010] The hoisting mechanism includes a hoisting top plate, an installation component and a positioning component. The hoisting top plate is arranged at the bottom of the rotating frame and is fixedly connected to the rotating frame. The installation component is arranged at the bottom of the hoisting top plate. There are two groups of positioning components, and the two groups of positioning components are symmetrically arranged on both sides of the installation component.

[0011] The mounting assembly includes a mounting top frame, a mounting side panel and a mounting bottom frame, wherein the mounting top frame is arranged at the bottom of the hoisting top panel and is fixedly connected to the hoisting top panel, the mounting side panels are provided with two groups, the two groups of mounting side panels are symmetrically arranged at the bottom of the mounting top frame and are fixedly connected to the mounting top frame, the mounting side panels are arranged vertically, and the mounting bottom frame is arranged at the bottom of the two groups of mounting side panels and its two ends are fixedly connected to the two groups of mounting side panels by bolts.

[0012] It also includes hanging openings, which are provided with two groups. The two groups of hanging openings are respectively arranged at the connection between the two groups of the mounting side plates and the mounting base and penetrate the mounting side plates and the mounting base.

[0013] The positioning assembly includes a positioning screw, a positioning top block and a positioning knob. The positioning screw is arranged at the upper part of the mounting side plate and passes through the mounting side plate and is threadedly connected to the mounting side plate. The positioning top block is arranged at the inner end of the positioning screw and is fixedly connected to the positioning screw. The positioning top block abuts against the lifting component. The positioning knob is arranged at the outer end of the positioning screw and is fixedly connected to the positioning screw.

[0014] It also includes a positioning anti-skid pad, which is arranged on the inner side of the positioning top block and fixedly connected to the positioning top block, and the positioning top block abuts against the hoisting component through the positioning anti-skid pad.

[0015] The mounting blocks are provided in two groups, each group of the mounting blocks is composed of a plurality of blocks arranged side by side and spaced apart, the two groups of the mounting blocks are symmetrically arranged on both sides of the upper end of the supporting top frame and fixedly connected to the supporting top frame, and the supporting top frame is installed and connected to the sling through the two groups of the mounting blocks.

[0016] The beneficial effects of the utility model are:

[0017] A flipping mechanism is provided to cooperate with the lifting mechanism to form a controllable flipping structure, which can stably lift and transport the lifting components and drive the components to flip at a certain angle according to the center of gravity position of the special-shaped components, while maintaining the flipping angle for lifting and transportation, which can meet the small-angle flipping lifting needs of special-shaped components, and the flipping auxiliary device can realize the lifting operation without the cooperation of wire ropes, and can independently lift the components, with little dependence on lifting accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cooperation between the support mechanism and the mounting block of the utility model;

[0020] Figure 3 This is a schematic diagram of the cooperation between the turning mechanism and the supporting mechanism of the utility model;

[0021] Figure 4 It is a side view of the cooperation between the lifting mechanism and the supporting mechanism of the utility model.

[0022] In the figure: 1. Mounting block; 2. Support top frame; 3. Support side frame; 4. Support side panel; 5. Flip motor; 6. Flip reducer; 7. Flip drive gear; 8. Bearing seat; 9. Rotating frame; 10. Rotating gear; 11. Lifting top panel; 12. Installing top frame; 13. Installing side panel; 14. Installing bottom frame; 15. Lifting opening; 16. Positioning screw; 17. Positioning top block; 18. Positioning knob; 19. Positioning anti-slip pad. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] A flip auxiliary device for large equipment includes a mounting block 1, which is arranged at the bottom of the sling, a supporting mechanism for constituting a supporting frame structure, a flipping mechanism for driving the hoisting member to flip a certain angle, and a hoisting mechanism for firmly positioning the hoisting member. The supporting mechanism is arranged at the bottom of the mounting block 1, the flipping mechanism is arranged on the inner side of the supporting mechanism, and the hoisting mechanism is assembled at the lower part of the flipping mechanism. The overall structural schematic diagram of the utility model is as shown in FIG. Figure 1 shown.

[0025] The supporting mechanism includes a supporting top frame 2, a supporting side frame 3 and a supporting side plate 4. The supporting top frame 2 is arranged at the bottom of the mounting block 1 and is fixedly connected to the mounting block 1. The supporting side frames 3 are provided with two groups. The two groups of supporting side frames 3 are symmetrically arranged on both sides of the bottom of the supporting top frame 2 and are fixedly connected to the supporting top frame 2. The supporting side frames 3 and the supporting top frame 2 are arranged perpendicular to each other. The supporting side plates 4 are arranged on the inner side of one group of supporting side frames 3 and are fixedly connected to the corresponding supporting side frames 3. The supporting mechanism cooperates with the supporting top frame 2, the supporting side frames 3 and the supporting side plates 4 to form a supporting structure on the flipping auxiliary device, thereby providing installation support for the flipping mechanism, wherein the supporting top frame 2 is used to provide installation support for the supporting side frames 3, and the supporting side frames 3 are used to jointly constitute a supporting frame structure on the flipping auxiliary device with the supporting top frame 2 and do not provide installation support for the supporting side plates 4. The supporting side plates 4 are used to provide installation support for the flipping mechanism. The schematic diagram of the cooperation between the supporting mechanism of the utility model and the mounting block 1 is shown in Figure 2 shown.

[0026] The flipping mechanism includes a flipping motor 5, a flipping reducer 6, a flipping driving gear 7 and a rotating assembly. The flipping motor 5 is arranged on the outer side of the supporting side plate 4 and is fixedly connected to the supporting side plate 4. The flipping reducer 6 corresponds to the flipping motor 5 and is arranged on the outer side of the supporting side plate 4 and is fixedly connected to the supporting side plate 4. The input end of the flipping reducer 6 is transmission-connected with the output end of the flipping motor 5. The output end of the flipping reducer 6 passes through the supporting side plate 4. The flipping driving gear 7 is arranged at the output end of the flipping reducer 6 and is fixedly connected to the output end of the flipping reducer 6. The flipping driving gear 7 is located on the inner side of the supporting side plate 4. The rotating assembly corresponds to the flipping driving gear 7 and is arranged between the lower parts of the two groups of supporting side frames 3. The flipping mechanism is connected to the output end of the flipping reducer 6 by the flipping motor. 5. The flip reducer 6, the flip driving gear 7 and the rotary assembly cooperate to form a flip auxiliary structure on the sling, thereby driving the hoisting component to flip at a certain angle and perform hoisting and transportation at the angle, wherein the flip motor 5 is used to provide driving force for the flip reducer 6, the flip reducer 6 is used to provide installation support for the flip driving gear 7 and drive the flip driving gear 7 to rotate under the drive of the flip motor 5, the flip driving gear 7 is used to drive the rotary assembly to rotate a certain angle under the action of the flip reducer 6, the rotary assembly is used to provide installation support for the hoisting mechanism and drive the hoisting mechanism and the hoisting member to rotate a certain angle under the action of the flip driving gear 7, the schematic diagram of the cooperation between the flip mechanism and the support mechanism of the utility model is shown in Figure 3 shown.

[0027] The rotary assembly includes a bearing seat 8, a rotary frame 9 and a rotary gear 10. The bearing seat 8 is provided with two groups. The two groups of bearing seats 8 are respectively arranged at the bottom of the two groups of supporting side frames 3 and are fixedly connected to the corresponding supporting side frames 3. The rotary frame 9 is arranged between the two groups of bearing seats 8 and its two ends are rotatably connected with the two groups of bearing seats 8 through a rotating shaft. The rotary gear 10 is arranged at one end of the rotary frame 9 and is fixedly connected to the rotary frame 9. The rotary gear 10 is meshed and connected with the flip driving gear 7. The diameter of the rotary gear 10 is larger than the diameter of the flip driving gear 7. The rotary gear 10 is arranged as a semicircular gear structure. The rotary assembly includes a bearing seat 8, a rotary frame 9 and a rotary gear 10. The bearing seat 8 is used as a mounting structure to support the bottom of the side frame 3, thereby providing rotation support for the slewing frame 9 through the rotating shaft. The slewing frame 9 is used to provide mounting support for the lifting mechanism and drive the lifting components on the lifting mechanism to flip a certain angle under the action of the slewing gear 10. The slewing gear 10 is used as a transmission structure on the slewing frame 9 to cooperate with the flip driving gear 7, thereby driving the slewing frame 9 to rotate a certain angle under the action of the driving gear, thereby driving the lifting components on the lifting mechanism to flip a certain angle.

[0028] The hoisting mechanism includes a hoisting top plate 11, an installation component and a positioning component. The hoisting top plate 11 is arranged at the bottom of the rotating frame 9 and is fixedly connected to the rotating frame 9. The installation component is arranged at the bottom of the hoisting top plate 11. The positioning component is provided with two groups, and the two groups of positioning components are symmetrically arranged on both sides of the installation component. The hoisting mechanism cooperates with the hoisting top plate 11, the installation component and the positioning component to provide installation support for the hoisting component and drive the hoisting component to rotate a certain angle under the action of the flipping mechanism, wherein the hoisting top plate 11 is used to provide installation support for the installation component, the installation component is used to provide installation support for the hoisting component and drive the hoisting component to rotate a certain angle under the action of the flipping mechanism, and the positioning component is used to position the hoisting component inside the installation component to improve its hoisting stability. The side view of the cooperation between the hoisting mechanism and the support mechanism of the utility model is shown in Figure 4 shown.

[0029] The mounting assembly includes a mounting top frame 12, a mounting side plate 13 and a mounting bottom frame 14. The mounting top frame 12 is arranged at the bottom of the hanging top plate 11 and is fixedly connected to the hanging top plate 11. There are two groups of mounting side plates 13. The two groups of mounting side plates 13 are symmetrically arranged at the bottom of the mounting top frame 12 and are fixedly connected to the mounting top frame 12. The mounting side plates 13 are vertically arranged. The mounting bottom frame 14 is arranged at the bottom of the two groups of mounting side plates 13 and its two ends are fixedly connected to the two groups of mounting side plates 13 by bolts. The mounting assembly cooperates with the mounting top frame 12, the mounting side plates 13 and the mounting bottom frame 14 to provide mounting support for the hanging components. The mounting top frame 12 is used to provide mounting support for the mounting side plates 13 and connect the mounting side plates 13 to the hanging top plate 11. The mounting side plates 13 are used to form a mounting bracket structure together with the mounting top frame 12, thereby providing mounting support for the mounting bottom frame 14. The mounting bottom frame 14 is used to provide mounting support for the hanging components together with the mounting side plates 13.

[0030] It also includes lifting openings 15, which are provided with two groups. The two groups of lifting openings 15 are respectively arranged at the connection between the two groups of mounting side plates 13 and the mounting base frame 14 and penetrate the mounting side plates 13 and the mounting base frame 14, wherein the lifting openings 15 are used as an opening structure on the side of the mounting component to meet the positioning requirements of some components. For example, when a component with a shaft system structure is lifted, the shaft system on the component can be positioned through the lifting openings 15.

[0031] The positioning assembly includes a positioning screw 16, a positioning top block 17 and a positioning knob 18. The positioning screw 16 is arranged on the upper part of the mounting side plate 13 and penetrates the mounting side plate 13 and is threadedly connected to the mounting side plate 13. The positioning top block 17 is arranged at the inner end of the positioning screw 16 and is fixedly connected to the positioning screw 16. The positioning top block 17 abuts against the lifting component. The positioning knob 18 is arranged at the outer end of the positioning screw 16 and is fixedly connected to the positioning screw 16. The positioning assembly cooperates with the positioning screw 16, the positioning top block 17 and the positioning knob 18 to adjust the inner end of the mounting assembly. The positioning screw 16 is used to provide installation support for the positioning top block 17 and the positioning knob 18. The positioning screw 16 can be rotated to make it rotate relative to the mounting side plate 13 to adjust the horizontal position of the positioning top block 17. The positioning top block 17 is used to adjust its horizontal position under the action of the positioning screw 16 to position the lifting components on the inner side of the positioning assembly. The positioning knob 18 is used to form a knob structure together with the positioning screw 16 to facilitate the rotation operation of the positioning screw 16.

[0032] It also includes a positioning anti-skid pad 19, which is arranged on the inner side of the positioning top block 17 and fixedly connected to the positioning top block 17. The positioning top block 17 is abutted against the lifting component through the positioning anti-skid pad 19, wherein the positioning anti-skid pad 19 is used as an anti-skid structure on the positioning top block 17, which can effectively improve the stability between the positioning top block 17 and the lifting component.

[0033] There are two groups of mounting blocks 1, each group of mounting blocks 1 is composed of a number of blocks arranged side by side and spaced apart, the two groups of mounting blocks 1 are symmetrically arranged on both sides of the upper end of the supporting top frame 2 and are fixedly connected to the supporting top frame 2, and the supporting top frame 2 is installed and connected to the sling through the two groups of mounting blocks 1, wherein the mounting blocks 1 are used to install and connect the device to the sling of the lifting equipment.

[0034] Working principle:

[0035] When it is necessary to lift the component, place the component on the mounting base 14, and then position the component on the mounting base 14 through the positioning assembly. If a component with an axis structure is to be lifted, the axis on the component can be positioned through the lifting opening 15. If a special-shaped component is to be lifted, the lifting mechanism can be driven to rotate a certain angle through the flipping mechanism according to the center of gravity position of the component, and the component can be lifted and transported at this angle, so as to ensure the balance of the center of gravity of the component and further ensure the lifting stability of the component.

[0036] The beneficial effect of the utility model is that a flipping mechanism is provided to cooperate with the lifting mechanism to form a controllable flipping structure, which can stably lift and transport the lifting components and drive the components to flip at a certain angle according to the center of gravity position of the special-shaped components, while maintaining the flipping angle for lifting and transportation, which can meet the small-angle flipping lifting needs of special-shaped components, and the flipping auxiliary device can realize the lifting operation without the cooperation of wire ropes, and can independently lift the components, with little dependence on lifting accessories.

[0037] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A turning assist device for large equipment, comprising a mounting block (1), the mounting block (1) being arranged at the bottom of a sling, characterized in that: It also includes a supporting mechanism for forming a supporting frame structure, a flipping mechanism for driving the hanging component to flip to a certain angle, and a hanging mechanism for firmly positioning the hanging component. The supporting mechanism is arranged at the bottom of the mounting block (1), the flipping mechanism is arranged on the inner side of the supporting mechanism, and the hanging mechanism is assembled at the bottom of the flipping mechanism.

2. A large equipment turning assist device as claimed in claim 1, characterized in that: The support mechanism comprises a support top frame (2), a support side frame (3) and a support side plate (4); the support top frame (2) is arranged at the bottom of the mounting block (1) and is fixedly connected to the mounting block (1); the support side frames (3) are provided with two groups, the two groups of the support side frames (3) are symmetrically arranged at both sides of the bottom of the support top frame (2) and are fixedly connected to the support top frame (2); the support side frames (3) and the support top frame (2) are arranged perpendicular to each other; the support side plates (4) are arranged on the inner side of one group of the support side frames (3) and are fixedly connected to the corresponding support side frame (3).

3. A large equipment turning assist device as claimed in claim 2, characterized in that: The flipping mechanism comprises a flipping motor (5), a flipping reducer (6), a flipping driving gear (7) and a rotating assembly. The flipping motor (5) is arranged on the outer side of the supporting side plate (4) and is fixedly connected to the supporting side plate (4). The flipping reducer (6) is arranged on the outer side of the supporting side plate (4) corresponding to the flipping motor (5) and is fixedly connected to the supporting side plate (4). The input end of the flipping reducer (6) is transmission-connected with the output end of the flipping motor (5). The output end of the flipping reducer (6) passes through the supporting side plate (4). The flipping driving gear (7) is arranged at the output end of the flipping reducer (6) and is fixedly connected to the output end of the flipping reducer (6). The flipping driving gear (7) is located on the inner side of the supporting side plate (4). The rotating assembly is arranged between the lower parts of the two groups of supporting side frames (3) corresponding to the flipping driving gear (7).

4. A large equipment turning assist device as claimed in claim 3, characterized in that: The rotary assembly comprises a bearing seat (8), a rotary frame (9) and a rotary gear (10). The bearing seat (8) is provided with two groups. The two groups of bearing seats (8) are respectively arranged at the bottom of the two groups of supporting side frames (3) and are fixedly connected to the corresponding supporting side frames (3). The rotary frame (9) is arranged between the two groups of bearing seats (8) and its two ends are rotatably connected to the two groups of bearing seats (8) through a rotating shaft. The rotary gear (10) is arranged at one end of the rotary frame (9) and is fixedly connected to the rotary frame (9). The rotary gear (10) is meshedly connected with the flip driving gear (7). The diameter of the rotary gear (10) is larger than the diameter of the flip driving gear (7). The rotary gear (10) is arranged as a semicircular gear structure.

5. A large equipment turning assist device as claimed in claim 4, characterized in that: The hoisting mechanism comprises a hoisting top plate (11), a mounting assembly and a positioning assembly. The hoisting top plate (11) is arranged at the bottom of the rotating frame (9) and is fixedly connected to the rotating frame (9). The mounting assembly is arranged at the bottom of the hoisting top plate (11). Two groups of positioning assemblies are provided, and the two groups of positioning assemblies are symmetrically arranged on both sides of the mounting assembly.

6. A large equipment turning assist device as claimed in claim 5, characterized in that: The mounting assembly comprises a mounting top frame (12), a mounting side plate (13) and a mounting bottom frame (14); the mounting top frame (12) is arranged at the bottom of the hanging top plate (11) and is fixedly connected to the hanging top plate (11); the mounting side plates (13) are provided with two groups, the two groups of mounting side plates (13) are symmetrically arranged at the bottom of the mounting top frame (12) and are fixedly connected to the mounting top frame (12); the mounting side plates (13) are arranged vertically; the mounting bottom frame (14) is arranged at the bottom of the two groups of mounting side plates (13) and its two ends are fixedly connected to the two groups of mounting side plates (13) by bolts.

7. A large equipment turning assist device as claimed in claim 6, characterized in that: It also includes a lifting opening (15), wherein the lifting opening (15) is provided in two groups, and the two groups of the lifting openings (15) are respectively arranged at the connection between the two groups of the mounting side plates (13) and the mounting base frame (14) and penetrate the mounting side plates (13) and the mounting base frame (14).

8. A large equipment turning assist device as claimed in claim 7, characterized in that: The positioning assembly comprises a positioning screw (16), a positioning top block (17) and a positioning knob (18); the positioning screw (16) is arranged at the upper part of the mounting side plate (13) and passes through the mounting side plate (13) and is threadedly connected to the mounting side plate (13); the positioning top block (17) is arranged at the inner end of the positioning screw (16) and is fixedly connected to the positioning screw (16); the positioning top block (17) abuts against the hanging component; the positioning knob (18) is arranged at the outer end of the positioning screw (16) and is fixedly connected to the positioning screw (16).

9. A large equipment turning assist device as claimed in claim 8, characterized in that: It also comprises a positioning anti-skid pad (19), which is arranged on the inner side of the positioning top block (17) and fixedly connected to the positioning top block (17), and the positioning top block (17) abuts against the hanging component through the positioning anti-skid pad (19).

10. A large equipment turning assist device as claimed in claim 9, characterized in that: The mounting blocks (1) are provided in two groups, each group of the mounting blocks (1) is composed of a plurality of blocks arranged side by side and spaced apart from each other, the two groups of the mounting blocks (1) are symmetrically arranged on both sides of the upper end of the supporting top frame (2) and are fixedly connected to the supporting top frame (2), and the supporting top frame (2) is installed and connected to the sling via the two groups of the mounting blocks (1).

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