Posture-adjustable lifting appliance for lifting prefabricated square block

Abstract

The utility model relates to a posture-adjustable lifting appliance for lifting a prefabricated square block, which belongs to the technical field of lifting appliances and comprises a lifting rod, a connecting rod, a rotating block and a traction rope, wherein at least one lifting rod is arranged, the top of the lifting rod is used for being connected with a first lifting hook, and the lower portion of the lifting rod is used for stretching into a lifting hole in a prefabricated square block to lift the prefabricated square block; the connecting rods are mounted between the adjacent suspenders and used for connecting the suspenders; a through hole is formed in the lower portion of the suspender, and the rotating block is installed in the through hole and rotatably connected with the suspender. The rotating block has an opening state and a folding state; one end of the traction rope is connected to the second lifting hook, and the other end of the traction rope penetrates through the opening to be connected to the rotating block and is used for controlling the state of the rotating block. According to the lifting appliance, through the arrangement of the rotating block, the lifting rod can be clamped in the lifting hole of the prefabricated square block, it is guaranteed that the prefabricated square block cannot displace or fall off in the lifting process, and the lifting appliance is suitable for lifting the prefabricated square block.

Description

Technical Field

[0001] This utility model belongs to the field of lifting equipment technology, and in particular relates to an adjustable lifting equipment for lifting prefabricated blocks. Background Technology

[0002] Gravity block piers or dikes are walls formed by a certain number of precast solid or hollow concrete blocks constructed using a specific masonry method. During the construction of gravity piers, the precast blocks need to be accurately placed in designated locations to ensure the structural stability and durability of the pier; therefore, the hoisting of the precast blocks is crucial.

[0003] Currently, the traditional process for hoisting precast blocks involves using a floating crane vessel connected to a hoisting device to lift, position, install, and adjust the blocks. The automatic unhooking technology of the hoisting device greatly assists in the hoisting process.

[0004] In the prior art, Chinese invention patent application CN112173969A proposes a hydraulic self-balancing lifting system and its working method for large components. This system lifts large components using lifting rings at the bottom of the lifting frame, monitors the position and attitude parameters of the large component using wireless tilt sensors mounted on the lifting frame and on the bottom surface of the large component, and adjusts the attitude of the large component using hydraulic cylinders. While this patent can accurately lift large components to a preset position, its complex structure and cumbersome operation result in low lifting efficiency and make it unsuitable for lifting prefabricated blocks in engineering projects.

[0005] Therefore, how to provide hoisting equipment for lifting precast blocks is a technical problem that urgently needs to be solved. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an adjustable lifting device for hoisting precast blocks. Through a simple mechanical structure consisting of a lifting rod, connecting rod, rotating block, and traction rope, the hoisting of precast blocks in engineering projects can be achieved. The simplified operation process also reduces the input of human resources.

[0007] This utility model provides an adjustable lifting device for hoisting precast blocks, comprising:

[0008] A lifting rod is provided, at least one lifting rod is provided, the top of the lifting rod is used to connect the first lifting hook, and the lower part of the lifting rod is used to extend into the lifting hole inside the precast block to lift the precast block;

[0009] A connecting rod is installed between adjacent booms to connect them.

[0010] The rotating block has a through hole at the bottom of the lifting rod. The rotating block is installed in the through hole and is rotatably connected to the lifting rod. The rotating block has an open state and a retracted state. When the rotating block is in the retracted state, the lifting rod can extend into the lifting hole. When the rotating block is in the open state, the rotating block is locked in the lifting hole to lift the precast block.

[0011] The traction rope is hollow inside the boom with an opening at the top. One end of the traction rope is connected to the second lifting hook, and the other end passes through the opening and is connected to the rotating block to control the state of the rotating block.

[0012] This technical solution enables the hoisting of precast blocks in engineering projects through a simple mechanical structure consisting of a boom, connecting rod, rotating block, and traction rope. The simplified operation process also reduces the input of human resources.

[0013] In some embodiments, each boom is further equipped with a positioning device at its bottom for adjusting the posture of the precast block. This technical solution, through the installation of the positioning device, allows operators to easily adjust the posture of the precast block during hoisting, ensuring that it can be accurately positioned at the predetermined location.

[0014] In some embodiments, the positioning component includes two vertically arranged unidirectional adjusting components. When there is an directional deviation in the precast block, the unidirectional adjusting component at the bottom of a single lifting rod is controlled to adjust the direction of the precast block; when there is a positional deviation in the precast block, the unidirectional adjusting component at the bottom of at least one lifting rod is controlled to adjust the position of the precast block. This technical solution, by setting two mutually perpendicular unidirectional adjusting components, can effectively correct the directional and positional deviations of the precast block during the hoisting process, ensuring that the precast block can be accurately positioned to the predetermined location.

[0015] In some embodiments, the unidirectional adjustment component includes a hydraulic cylinder and a piston rod. When adjusting the orientation of the precast block, the hydraulic cylinder pushes the piston rod against the lifting hole, causing the precast block to rotate or move. This technical solution, through the coordinated use of the hydraulic cylinder and piston rod, can flexibly adjust the orientation of the precast block.

[0016] In some embodiments, the adjusting component includes a bidirectional adjusting component, which is equipped with bidirectional hydraulic cylinders whose pushing forces are perpendicular to each other. When there is a directional deviation in the precast block, the bidirectional adjusting component at the bottom of a single lifting rod is controlled to adjust the direction of the precast block; when there is a positional deviation in the precast block, the bidirectional adjusting component at the bottom of at least one lifting rod is controlled to adjust the position of the precast block. This technical solution simplifies the structure of the adjusting component by setting a bidirectional adjusting component, and effectively improves the accuracy and flexibility during the precast block hoisting process.

[0017] In some embodiments, the attitude-adjustable lifting device for hoisting precast blocks further includes a telescopic rod installed between the lifting rod and the adjusting component to adjust the height of the precast block. This technical solution, through the telescopic rod, allows for flexible adjustment of the precast block's height, ensuring accurate positioning at the predetermined location and improving hoisting precision and efficiency.

[0018] In some embodiments, the telescopic rod is equipped with a telescopic hydraulic cylinder. This technical solution, through the inclusion of the telescopic hydraulic cylinder, enables more precise control over the height adjustment of the precast blocks.

[0019] In some embodiments, a fixing shaft for fixing the rotating block is provided inside the through hole, and the rotating block is rotatably connected to the fixing shaft. This technical solution, through the setting of the fixing shaft, ensures that the rotating block can rotate and be fixed stably during hoisting.

[0020] In some embodiments, a limiting rod is provided inside the through hole to limit the rotation angle of the rotating block when it is retracted. This technical solution, through the setting of the limiting rod, can effectively prevent the rotating block from excessively rotating when it is retracted.

[0021] In some embodiments, the rotating block has a threading hole for threading a traction rope. This technical solution, through the provision of the threading hole, allows the traction rope to pass smoothly through the rotating block.

[0022] Based on the above solution, the adjustable lifting device for hoisting precast blocks in this embodiment of the utility model can realize the hoisting of precast blocks in engineering projects through a simple mechanical structure of lifting rod, connecting rod, rotating block and traction rope. The simplified operation process also reduces the input of human resources, thereby reducing the overall construction cost. At the same time, by setting the rotating block, the lifting rod can be firmly locked in the lifting hole of the precast block, ensuring that the precast block will not be displaced or fall during the hoisting process, thus enhancing the stability and safety of the hoisting process. Attached Figure Description

[0023] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0024] Figure 1 This is a schematic diagram of the structure of the adjustable lifting device rotating block for hoisting prefabricated blocks in Embodiment 1 of this utility model when the rotating block is in the open state;

[0025] Figure 2 This is a schematic diagram of the structure of the adjustable lifting device rotating block used for hoisting prefabricated blocks in Embodiment 1 of this utility model when it is in the retracted state;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the lifting rod of the adjustable lifting device used for hoisting prefabricated blocks in Embodiment 1 of this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the prefabricated block in Embodiment 1 of this utility model;

[0028] Figure 5 This is a perspective view of the adjustable lifting device for hoisting prefabricated blocks entering the lifting hole in Embodiment 1 of this utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the adjustable lifting device rotating block for hoisting prefabricated blocks in Embodiment 2 of this utility model when the rotating block is in the open state;

[0030] Figure 7 This is a schematic diagram of the structure of the adjustable lifting device rotating block used for hoisting prefabricated blocks in Embodiment 2 of this utility model when it is in the retracted state;

[0031] Figure 8 This is a perspective view of the adjustable lifting device for hoisting prefabricated blocks entering the lifting hole in Embodiment 2 of this utility model.

[0032] In the picture:

[0033] 1. Hoisting rod; 2. Connecting rod; 3. Rotating block; 4. Traction rope; 5. Telescopic rod; 6. Adjustment component; 7. Precast block;

[0034] 101. Lifting lug; 102. Opening;

[0035] 301. Fixed shaft; 302. Limiting rod; 303. Rope threading hole;

[0036] 501. Telescopic hydraulic cylinder;

[0037] 61. One-way adjusting component; 611. Base; 612. Hydraulic cylinder; 613. Piston rod; 62. Two-way adjusting component; 701. Lifting hole. Detailed Implementation

[0038] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0039] In the description of this utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0041] The terms “system,” “unit,” and “module” used in this article are methods for distinguishing different components, elements, parts, sections, or assemblies at different levels. These terms may be replaced by other expressions that achieve the same purpose.

[0042] Example 1

[0043] like Figures 1-5 As shown, in one embodiment of the adjustable lifting device for hoisting precast blocks according to this utility model, the adjustable lifting device for hoisting precast blocks includes a lifting rod 1, a connecting rod 2, a rotating block 3, and a traction rope 4; wherein, at least one lifting rod 1 is provided, the top of the lifting rod 1 is used to connect to a first lifting hook, and the lower part of the lifting rod 1 is used to extend into the lifting hole 701 inside the precast block 7 to lift the precast block 7; the connecting rod 2 is installed between adjacent lifting rods 1 for connecting the lifting rods 1; a through hole is opened at the lower part of the lifting rod 1. The rotating block 3 is installed in the through hole and is rotatably connected to the lifting rod 1. The rotating block 3 has an open state and a retracted state. When the rotating block 3 is in the retracted state, the lifting rod 1 can extend into the lifting hole 701. When the rotating block 3 is in the open state, the rotating block 3 is locked in the lifting hole 701 to lift the precast block 7. The lifting rod 1 is hollow inside and has an opening 102 at the top. One end of the traction rope 4 is connected to the second lifting hook, and the other end passes through the opening 102 and is connected to the rotating block 3 to control the state of the rotating block 3.

[0044] In the above illustrative embodiment, the attitude-adjustable lifting device for hoisting precast blocks can realize the hoisting of precast blocks 7 in engineering projects through a simple mechanical structure of lifting rod 1, connecting rod 2, rotating block 3 and traction rope 4. The simplified operation process also reduces the input of human resources, thereby reducing the overall construction cost. At the same time, through the setting of rotating block 3, lifting rod 1 can be firmly locked in the lifting hole 701 of precast block 7, ensuring that precast block 7 will not be displaced or fall during the hoisting process, thus enhancing the stability and safety of the hoisting process.

[0045] In some embodiments, such as Figure 4 As shown, the upper diameter of the lifting hole 701 is larger than the diameter of the lifting rod 1 but smaller than the length of the rotating block 3, while the lower diameter is larger than the length of the rotating block 3. A horizontal step is provided at the point where the diameter of the lifting hole 701 changes, and the balance block is locked in the horizontal step when it is in the open state. By limiting the dimensions of the lifting hole 701 and the rotating block 3, it is ensured that the rotating block 3 is securely locked in the lifting hole 701 during the lifting process, further improving the stability and safety of the lifting.

[0046] In some embodiments, such as Figure 2 As shown, each boom 1 is also equipped with a positioning component 6 at its bottom for adjusting the posture of the precast block 7. The positioning component 6 allows operators to easily adjust the posture of the precast block 7 during hoisting, ensuring that it can be accurately positioned at the predetermined location, thereby improving the accuracy and efficiency of hoisting.

[0047] Furthermore, such as Figure 3 As shown, the positioning component 6 includes two vertically arranged one-way adjusting components 61. When there is a directional deviation in the precast block 7, the one-way adjusting component 61 at the bottom of a single lifting rod 1 is controlled to adjust the direction of the precast block 7; when there is a positional deviation in the precast block 7, the one-way adjusting component 61 at the bottom of at least one lifting rod 1 is controlled to adjust the position of the precast block 7. By setting two mutually perpendicular one-way adjusting components 61, the directional and positional deviations of the precast block 7 during the hoisting process can be effectively corrected, ensuring that the precast block 7 can be accurately positioned to the predetermined position, thereby improving the accuracy and efficiency of hoisting.

[0048] In some embodiments, such as Figure 3 As shown, the one-way adjusting component 61 includes a hydraulic cylinder 612 and a piston rod 613. When adjusting the orientation of the precast block 7, the hydraulic cylinder 612 pushes the piston rod 613 to abut against the lifting hole 701, thus pushing the precast block 7 to rotate or move. Through the coordinated use of the hydraulic cylinder 612 and the piston rod 613, the orientation of the precast block 7 can be flexibly adjusted, further improving the accuracy of the hoisting process and the convenience of operation.

[0049] In some embodiments, such as Figure 3As shown, the one-way adjustment member 61 also includes a base 611 for fixing and mounting. The base 611 provides a stable mounting platform for the one-way adjustment member 61, ensuring the stability and reliability of the one-way adjustment member 61 during use.

[0050] In some embodiments, such as Figure 2 As shown, the adjustable lifting device for hoisting precast blocks also includes a telescopic rod 5, which is installed between the lifting rod 1 and the adjusting component 6 to adjust the height of the precast block 7. The telescopic rod 5 allows for flexible adjustment of the height of the precast block 7, ensuring accurate positioning at the predetermined location and improving the accuracy and efficiency of the hoisting process.

[0051] In some embodiments, such as Figure 3 As shown, the telescopic rod 5 is equipped with a telescopic hydraulic cylinder 501. The telescopic hydraulic cylinder 501 allows for more precise control of the height adjustment of the precast blocks 7, further improving the stability and safety of the hoisting process.

[0052] In some embodiments, such as Figure 2 As shown, a fixing shaft 301 for fixing the rotating block 3 is provided inside the through hole, and the rotating block 3 is rotatably connected to the fixing shaft 301. The fixing shaft 301 ensures that the rotating block 3 can rotate and be fixed stably during hoisting, thereby improving the reliability of hoisting.

[0053] In some embodiments, such as Figure 2 As shown, a limiting rod 302 is provided inside the through hole. The limiting rod 302 is used to limit the rotation angle of the rotating block 3 when it is retracted. By setting the limiting rod 302, excessive rotation of the rotating block 3 when it is retracted can be effectively prevented, ensuring the safety and stability of the hoisting process.

[0054] In some embodiments, such as Figure 2 As shown, the rotating block 3 has a rope hole 303 for threading the traction rope 4. The rope hole 303 allows the traction rope 4 to pass smoothly through the rotating block 3, making it easier for the operator to control the state of the rotating block 3 and improving the convenience of the hoisting operation.

[0055] In some embodiments, such as Figure 2 As shown, the top of the boom 1 is provided with a lifting lug 101. The lifting lug 101 provides a convenient fixing point for connecting lifting equipment, ensuring the safety and stability of the lifting process.

[0056] The lifting method for the attitude-adjustable lifting device for lifting prefabricated blocks in the above embodiments includes the following steps:

[0057] S1, connect one end of the traction rope 4 to the second lifting hook, and pass the other end through the opening 102 and the inside of the boom 1 and connect it to the rotating block 3. Lift the second lifting hook, and the traction rope 4 drives the rotating block 3 to the retracted state.

[0058] S2, keep the rotating block 3 in the retracted state, connect the top of the boom 1 to the first lifting hook, lift the first lifting hook, and control the boom 1 to enter the lifting hole 701;

[0059] S3, loosen the second lifting hook, slack the traction rope 4, as follows Figure 5 As shown, the rotating block 3 automatically returns to the open state, lifts the first lifting hook, and the rotating block 3 is locked in the lifting hole 701. The lifting rod 1 drives the precast block 7 to be lifted to the preset position.

[0060] S4. When there is a deviation in the precast block 7 after hoisting, the orientation of the precast block 7 is adjusted using the adjustment component 6.

[0061] In the above illustrative embodiment, the adjustable lifting method for hoisting precast blocks controls the state of the rotating block 3 through the traction rope 4, allowing operators to easily adjust the rotating block 3 to a retracted or open state, simplifying the lifting operation process. After the rotating block 3 is engaged in the lifting hole 701, the lifting rod 1 can stably lift the precast block 7, ensuring the stability and safety of the precast block 7 during the lifting process. When there is an orientation deviation in the precast block 7, the adjusting component 6 is used for adjustment, which can accurately correct the position and direction of the precast block 7, ensuring that it is accurately positioned to the predetermined location. Furthermore, the lifting method in this embodiment is applicable to precast blocks 7 of different sizes and shapes, has strong adaptability, and can meet the needs of various engineering projects.

[0062] In some embodiments, in step S4, when there is an directional deviation in the precast block 7, the one-way adjusting member 61 at the bottom of a single lifting rod 1 is controlled to adjust the direction of the precast block 7; when there is a positional deviation in the precast block 7, the one-way adjusting member 61 at the bottom of at least one lifting rod 1 is controlled to adjust the position of the precast block 7. Through the adjustment of the one-way adjusting member 61, the directional and positional deviations of the precast block 7 during the hoisting process can be effectively corrected, ensuring that the precast block 7 can be accurately positioned at the predetermined location, thus improving the accuracy and efficiency of the hoisting.

[0063] Example 2

[0064] The difference between this embodiment and Embodiment 1 is that:

[0065] The adjustable lifting device for hoisting prefabricated blocks provided in this embodiment, such as... Figure 6As shown, the adjusting component 6 includes a bidirectional adjusting component 62, which is equipped with a bidirectional hydraulic cylinder. The pushing forces of the bidirectional hydraulic cylinders are perpendicular to each other. When there is a directional deviation in the precast block 7, the bidirectional adjusting component 62 at the bottom of a single rod 1 is controlled to adjust the direction of the precast block 7. When there is a positional deviation in the precast block 7, the bidirectional adjusting component 62 at the bottom of at least one rod 1 is controlled to adjust the position of the precast block 7. Figure 7 This is a schematic diagram of the rotating block 3 of the attitude-adjustable lifting device used for hoisting prefabricated blocks in Embodiment 2 when it is in the retracted state. The bidirectional adjustment component 62 simplifies the structure of the adjustment component and effectively improves the accuracy and flexibility during the hoisting process of the prefabricated block 7, ensuring that the prefabricated block 7 can be accurately positioned at the predetermined location.

[0066] The adjustable hoisting method for prefabricated blocks provided in this embodiment, such as... Figure 8 As shown, after the lifting equipment enters the lifting hole 701, in step S4, when there is a directional deviation in the precast block 7, the bidirectional adjustment component 62 at the bottom of a single lifting rod 1 is controlled to adjust the direction of the precast block 7; when there is a positional deviation in the precast block 7, the bidirectional adjustment component 62 at the bottom of at least one lifting rod 1 is controlled to adjust the position of the precast block 7. By precisely adjusting the direction and position of the precast block 7 through the bidirectional adjustment component 62, the lifting accuracy and construction efficiency are significantly improved, ensuring that the precast block 7 is accurately positioned, simplifying the operation process, and improving the quality and safety of the project.

[0067] Through the description of several embodiments of the adjustable lifting device for hoisting prefabricated blocks according to the present invention, it can be seen that the embodiments of the adjustable lifting device for hoisting prefabricated blocks according to the present invention have at least one or more of the following advantages:

[0068] 1. The adjustable lifting device for hoisting precast blocks provided by this utility model can realize the hoisting of precast blocks 7 in engineering projects through a simple mechanical structure of lifting rod 1, connecting rod 2, rotating block 3 and traction rope 4. The simplified operation process also reduces the input of human resources, thereby reducing the overall construction cost.

[0069] 2. The adjustable lifting device for hoisting precast blocks provided by this utility model, through the setting of the rotating block 3, allows the lifting rod 1 to be stably locked in the lifting hole 701 of the precast block 7, ensuring that the precast block 7 will not shift or fall during the hoisting process, thereby enhancing the stability and safety of the hoisting process.

[0070] 3. The adjustable lifting device for hoisting precast blocks provided by this utility model can be adjusted by adjusting the position of the precast block 7 when there is an orientation deviation, so as to accurately correct the position and orientation of the precast block 7 and ensure that it is accurately positioned at the predetermined position.

[0071] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0072] The above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A posture-adjustable spreader for hoisting precast blocks, characterized in that, include: A lifting rod is provided, at least one lifting rod is provided, the top of the lifting rod is used to connect the first lifting hook, and the lower part of the lifting rod is used to extend into the lifting hole inside the precast block to lift the precast block; A connecting rod is installed between adjacent booms to connect them. The rotating block has a through hole at the bottom of the lifting rod. The rotating block is installed in the through hole and is rotatably connected to the lifting rod. The rotating block has an open state and a retracted state. When the rotating block is in the retracted state, the lifting rod can extend into the lifting hole. When the rotating block is in the open state, the rotating block is locked in the lifting hole to lift the precast block. The traction rope is hollow inside the boom with an opening at the top. One end of the traction rope is connected to the second lifting hook, and the other end passes through the opening and is connected to the rotating block to control the state of the rotating block.

2. The attitude-adjustable spreader for hoisting precast blocks according to claim 1, characterized in that, Each boom is also equipped with a positioning device at the bottom to adjust the posture of the precast blocks.

3. The attitude-adjustable spreader for lifting precast blocks according to claim 2, characterized in that, The adjustment mechanism includes two vertically arranged one-way adjustment components. When there is a directional deviation in the precast block, the one-way adjustment component at the bottom of a single rod is controlled to adjust the direction of the precast block; when there is a positional deviation in the precast block, the one-way adjustment component at the bottom of at least one rod is controlled to adjust the position of the precast block.

4. The attitude-adjustable spreader for lifting precast blocks according to claim 3, characterized in that, The one-way adjustment component includes a hydraulic cylinder and a piston rod. When adjusting the orientation of the precast block, the hydraulic cylinder pushes out the piston rod to block the lifting hole and pushes the precast block to rotate or move.

5. The attitude adjustable spreader for lifting precast blocks according to claim 2, wherein, The adjustment component includes a bidirectional adjustment component, which is equipped with a bidirectional hydraulic cylinder. The pushing forces of the bidirectional hydraulic cylinders are perpendicular to each other. When there is a directional deviation in the precast block, the bidirectional adjustment component at the bottom of a single hanger is controlled to adjust the direction of the precast block. When there is a positional deviation in the precast block, the bidirectional adjustment component at the bottom of at least one hanger is controlled to adjust the position of the precast block.

6. The attitude adjustable spreader for lifting precast blocks according to claim 2, wherein, It also includes telescopic rods, which are installed between the hangers and the adjusting components to adjust the height of the precast blocks.

7. The attitude adjustable spreader for lifting precast blocks according to claim 6, characterized in that, The telescopic rod is equipped with a telescopic hydraulic cylinder.

8. The attitude adjustable spreader for lifting precast blocks according to claim 1, wherein, The through hole has a fixed shaft for fixing the rotating block, and the rotating block is rotatably connected to the fixed shaft.

9. The attitude adjustable spreader for lifting precast blocks according to claim 1, wherein, A limiting rod is provided inside the through hole, which is used to limit the rotation angle when the rotating block is retracted.

10. The attitude adjustable spreader for lifting precast blocks according to claim 1, wherein, The rotating block has a rope-threading hole for threading the traction rope.

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