Rotatable hoisting sling

Abstract

The utility model relates to the technical field of hoisting slings, and discloses a rotatable hoisting sling which comprises a rotating disc, a mounting shaft located in the middle of the interior of the rotating disc and a seat hook located below the bottom of the rotating disc. A positioning disc is arranged on the outer side of the mounting shaft and located above the rotating disc; the through holes are formed in the two sides of the interior of the positioning disc; the fixing plates are arranged on the two sides of the top of the positioning disc, and fixing rods are arranged at the four corners of the bottoms of the two fixing plates; the hydraulic cylinder is arranged at the top of the fixing plate. The rotating disc, the supporting disc and the positioning disc can rotate through the rolling grooves and the balls, rotation of the rotating disc is more stable, goods can be stably hoisted through the four sets of hooks, the rotating disc can be braked through the hydraulic cylinder, the pressing block and the brake pad, and therefore rotation of the rotating disc is stopped, and the goods can be stably hoisted. And goods can be stably hoisted, so that the use effect of the rigging is better.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting slings, in particular to a rotatable lifting sling. Background Art

[0002] Hoisting refers to the installation and positioning of equipment by cranes or lifting mechanisms. During the inspection or maintenance process, various lifting machines are used to lift equipment, workpieces, tools, materials, etc. to change their position. Lifting slings are mainly used as connectors between rigging or between rigging and hoisted objects in operations such as lifting, bundling, dragging, and fixing.

[0003] Application No. CN202321168116.7 discloses a rotatable lifting sling, including a fixed plate, a circular hole 1, a circular hole 2, a limiting hole, a connecting hook, a connecting chain, a fixed hook, a connecting base plate, a limiting column, a connecting rod 1, a connecting rod 2, a fixing sleeve, a bolt, a nut 1, a connecting top plate, a U-shaped connector and a nut 2... The connecting chain is connected and fixed to one end of the fixing hook away from the connecting hook, the bottom end of the connecting rod 1 is connected and fixed to the center position of the connecting base plate upward, and a plurality of limiting columns are equidistantly provided on the connecting base plate near the side position upward; during use, this kind of lifting sling needs to be manually intervened to prevent the cargo from rotating, and when lifting heavier cargo, manual intervention is more dangerous, which is not convenient for stable lifting of the cargo, and the rotation effect of the lifting sling is poor, and the practicality is low. Utility Model Content

[0004] The purpose of the utility model is to provide a rotatable lifting sling to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a rotatable lifting sling, comprising a rotating disk, a mounting shaft located at the middle position inside the rotating disk, and a seat hook located below the bottom of the rotating disk, wherein the mounting shaft comprises:

[0006] A support plate is arranged at the bottom end of the installation shaft, and a positioning plate is arranged on the outside of the installation shaft above the rotating plate;

[0007] Through holes are arranged on both sides of the interior of the positioning plate;

[0008] Fixed plates are arranged on both sides of the top of the positioning plate, and fixed rods are arranged at the four corners of the bottom of the two sets of fixed plates;

[0009] A hydraulic cylinder is arranged on the top of the fixed plate, and a pressing block is arranged at the telescopic end of the hydraulic cylinder.

[0010] Preferably, a connecting hole is provided at the top end inside the mounting shaft, rolling grooves are provided at the bottom of the positioning plate, the top of the supporting plate, and the top and bottom of the rotating plate, and a plurality of groups of balls are provided inside the rolling grooves.

[0011] Preferably, a sling chain is provided on the top of the hook, a plurality of groups of connecting blocks are provided on the outer side of the bottom end of the rotating disk, and mounting holes are provided inside the connecting blocks.

[0012] Preferably, the bottom end of the installation shaft is welded to the top end of the support plate, a fixing hole is provided inside the positioning plate, and the positioning plate is fixedly connected to the installation shaft through the fixing hole.

[0013] Preferably, the bottom end of the fixing rod is welded to the top of the through hole, the fixing plate is fixedly connected to the positioning plate via the fixing rod, and the hydraulic cylinder is detachably connected to the fixing plate via fixing bolts.

[0014] Preferably, a mounting block is provided on the top of the pressing block, and the telescopic end of the hydraulic cylinder is connected to the mounting block, and the pressing block is detachably connected to the positioning plate through a through hole.

[0015] Preferably, a mounting groove is provided at the bottom of the pressing block, and a brake pad is provided inside the mounting groove, and the brake pad is detachably connected to the pressing block through the mounting groove.

[0016] Preferably, a rotating hole is provided at a middle position inside the rotating disk, and the rotating disk is rotatably connected to the mounting shaft through the rotating hole.

[0017] Preferably, the bottom of the rotating disk is rotatably connected to the supporting disk via rolling grooves and balls, and the top of the rotating disk is rotatably connected to the positioning disk via rolling grooves and balls.

[0018] Preferably, the sling chain is detachably connected to the connecting block through a mounting hole, and the hook is connected to the rotating disk through the sling chain and the connecting block.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model can make the rotating disk, the supporting disk and the positioning disk rotate through the rolling groove and the ball, so that the rotation of the rotating disk is more stable, and the goods can be stably hoisted through the four groups of hooks. The rotating disk can be braked by the hydraulic cylinder, the clamping block and the brake pad, so that the rotating disk stops rotating, the goods can be stably hoisted, and the use effect of the rigging is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is a cross-sectional view of the utility model.

[0024] Figure 3 It is an enlarged view of A of the present utility model.

[0025] In the figure: 1, rotating plate; 101, connecting hole; 2, mounting shaft; 201, supporting plate; 202, rolling groove; 203, ball bearing; 204, positioning plate; 205, through hole; 206, fixing plate; 207, fixing rod; 208, hydraulic cylinder; 209, clamping block; 210, brake pad; 3, hook; 301, sling chain; 302, connecting block; 303, mounting hole. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] 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.

[0030] See also Figure 1-3 The utility model provides a rotatable lifting sling embodiment: a rotatable lifting sling, comprising a rotating disk 1, a mounting shaft 2 located at the middle position inside the rotating disk 1, and a seat hook 3 located below the bottom of the rotating disk 1, the mounting shaft 2 comprising: a support disk 201 arranged at the bottom end of the mounting shaft 2, and a positioning disk 204 is arranged on the outer side of the mounting shaft 2 above the rotating disk 1; through holes 205 arranged on both sides of the inside of the positioning disk 204; fixed plates 206 arranged on both sides of the top of the positioning disk 204, and fixed rods 207 are arranged at the four corners of the bottom of the two sets of fixed plates 206; a hydraulic cylinder 208 arranged on the top of the fixed plate 206, the hydraulic cylinder 208 can be installed on the top of the positioning disk 204 through the fixing rod 207 and the fixing plate 206, and a clamping block 209 is arranged at the telescopic end of the hydraulic cylinder 208, and the clamping block 209 can be driven by the hydraulic cylinder 208 to adjust up and down, so that the rotating disk 1 is braked, which is convenient for stable lifting of goods.

[0031] Please refer to Figure 1 and Figure 2A connecting hole 101 is provided at the top of the installation shaft 2, and the installation shaft 2 can be installed between the lifting equipment. The bottom of the positioning plate 204, the top of the supporting plate 201, and the top and bottom of the rotating plate 1 are all provided with rolling grooves 202. Multiple groups of balls 203 are provided inside the rolling grooves 202. The rotation of the rotating plate 1 is made more stable by the rolling grooves 202 and the balls 203. A sling chain 301 is provided on the top of the hook 3, and multiple groups of connecting blocks 302 are provided on the outer side of the bottom end of the rotating plate 1. A mounting hole 303 is provided inside the connecting block 302. The sling chain 301 and the connecting block 302 can be installed between the sling chain 301 and the connecting block 302. The hook 3 can be installed on the bottom of the rotating plate 1 through the sling chain 301 and the connecting block 302, which is convenient for lifting goods.

[0032] Please refer to Figure 1 and Figure 3 The bottom end of the mounting shaft 2 is welded to the top end of the support plate 201, a fixing hole is provided inside the positioning plate 204, the positioning plate 204 is fixedly connected to the mounting shaft 2 through the fixing hole, the positioning plate 204 can be installed on the outside of the mounting shaft 2 through the fixing hole, the bottom end of the fixing rod 207 is welded to the top of the through hole 205, the fixing plate 206 is fixedly connected to the positioning plate 204 through the fixing rod 207, the fixing plate 206 can be installed on the top of the positioning plate 204 through the fixing rod 207, the hydraulic cylinder 208 is detachably connected to the fixing plate 206 through the fixing bolts, so that the hydraulic cylinder 208 is installed on the top of the fixing plate 206, the pressing block A mounting block is provided on the top of 209, and the telescopic end of the hydraulic cylinder 208 is connected to the mounting block, so that the hydraulic cylinder 208 can drive the clamping block 209 to be adjusted up and down. The clamping block 209 is detachably connected to the positioning plate 204 through the through hole 205, and the clamping block 209 and the positioning plate 204 can be adjusted through the through hole 205. A mounting groove is provided at the bottom of the clamping block 209, and a brake pad 210 is provided inside the mounting groove. The brake pad 210 is detachably connected to the clamping block 209 through the mounting groove, and the brake pad 210 can be installed at the bottom of the clamping block 209. The brake pad 210 can be replaced, which is convenient for braking the rotating disk 1.

[0033] Please refer to Figure 1 and Figure 2A rotating hole is provided at the middle position inside the rotating disk 1, and the rotating disk 1 is rotatably connected with the mounting shaft 2 through the rotating hole. The rotating disk 1 and the mounting shaft 2 can be rotated through the rotating hole. During hoisting, the goods can be rotated to adjust the angle of the goods. The bottom of the rotating disk 1 is rotatably connected with the supporting disk 201 through the rolling groove 202 and the ball 203, and the top of the rotating disk 1 is rotatably connected with the positioning disk 204 through the rolling groove 202 and the ball 203. The rotation between the rotating disk 1, the supporting disk 20 and the positioning disk 204 is more stable through the rolling groove 202 and the ball 203. The sling chain 301 is detachably connected with the connecting block 302 through the mounting hole 303, so that the sling chain 301 can be installed between the connecting block 302. The hook 3 is connected to the rotating disk 1 through the sling chain 301 and the connecting block 302. The hook 3 can be installed at the bottom of the rotating disk 1, which makes the hoisting of the goods more stable.

[0034] Working principle: Before using the utility model, the installation shaft 2 is connected to the lifting equipment through the connecting hole 101. When in use, the power is turned on, and the rotating plate 1 and the installation shaft 2 can be rotated through the rotating hole, and the rotating plate 1, the supporting plate 201 and the positioning plate 204 can be rotated through the rolling groove 202 and the ball 203, so that the rotation of the rotating plate 1 is more stable. The hook 3 is installed at the bottom of the rotating plate 1 through the connecting block 302 and the sling chain 301, and the goods are hung through the hook 3. The goods can be stably lifted through the four groups of hooks 3. During hoisting, the rotation of the rotating disk 1 can cause the cargo to rotate, which is convenient for adjusting the angle of the cargo during hoisting. The hydraulic cylinder 208 is installed and fixed on the top of the positioning disk 204 through the fixing rod 207 and the fixing plate 206. The clamping block 209 is driven by the hydraulic cylinder 208 to adjust up and down. The clamping block 209 is moved downward so that the brake pad 210 at the bottom of the clamping block 209 contacts the top of the rotating disk 1. The rotating disk 1 can be braked according to the clamping block 209 and the brake pad 210, so that the use effect of the rigging is better and it is convenient for hoisting.

[0035] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A rotatable lifting sling, characterized in that: The invention comprises a rotating disk (1), a mounting shaft (2) located at a middle position inside the rotating disk (1), and a seat hook (3) located below the bottom of the rotating disk (1), wherein the mounting shaft (2) comprises: A support plate (201) is arranged at the bottom end of the installation shaft (2), and a positioning plate (204) is arranged on the outside of the installation shaft (2) and above the rotating plate (1); Through holes (205) are arranged on both sides of the interior of the positioning plate (204); Fixed plates (206) are arranged on both sides of the top of the positioning plate (204), and fixed rods (207) are arranged at the four corners of the bottom of the two sets of fixed plates (206); A hydraulic cylinder (208) is arranged on the top of the fixed plate (206), and a pressing block (209) is arranged at the telescopic end of the hydraulic cylinder (208).

2. A rotatable lifting sling according to claim 1, characterized in that: A connecting hole (101) is provided at the top end of the mounting shaft (2), rolling grooves (202) are provided at the bottom of the positioning plate (204), the top of the supporting plate (201), and the top and bottom of the rotating plate (1), and a plurality of groups of balls (203) are provided inside the rolling grooves (202).

3. A rotatable lifting sling according to claim 1, characterized in that: A sling iron chain (301) is arranged on the top of the hook (3), and multiple groups of connecting blocks (302) are arranged on the outer side of the bottom end of the rotating disk (1), and mounting holes (303) are arranged inside the connecting blocks (302).

4. A rotatable lifting sling according to claim 1, characterized in that: The bottom end of the installation shaft (2) is welded to the top end of the support plate (201), a fixing hole is provided inside the positioning plate (204), and the positioning plate (204) is fixedly connected to the installation shaft (2) through the fixing hole.

5. The rotatable lifting sling according to claim 1, characterized in that: The bottom end of the fixing rod (207) is welded to the top of the through hole (205), the fixing plate (206) is fixedly connected to the positioning plate (204) via the fixing rod (207), and the hydraulic cylinder (208) is detachably connected to the fixing plate (206) via fixing bolts.

6. A rotatable lifting sling according to claim 1, characterized in that: A mounting block is arranged on the top of the pressing block (209), and the telescopic end of the hydraulic cylinder (208) is connected to the mounting block. The pressing block (209) is detachably connected to the positioning plate (204) via a through hole (205).

7. The rotatable lifting sling according to claim 1, characterized in that: The bottom of the pressing block (209) is provided with a mounting groove, and a brake pad (210) is provided inside the mounting groove. The brake pad (210) is detachably connected to the pressing block (209) via the mounting groove.

8. The rotatable lifting sling according to claim 2, characterized in that: A rotating hole is provided at a middle position inside the rotating disk (1), and the rotating disk (1) is rotatably connected to the mounting shaft (2) via the rotating hole.

9. A rotatable lifting sling according to claim 2, characterized in that: The bottom of the rotating disk (1) is rotatably connected to the support disk (201) via a rolling groove (202) and a ball (203), and the top of the rotating disk (1) is rotatably connected to the positioning disk (204) via a rolling groove (202) and a ball (203).

10. The rotatable lifting sling according to claim 3, characterized in that: The sling iron chain (301) is detachably connected to the connecting block (302) via the mounting hole (303), and the hook (3) is connected to the rotating disk (1) via the sling iron chain (301) and the connecting block (302).

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