Lifting appliance of crane

Abstract

The utility model discloses a crane lifting appliance, which relates to the technical field of cranes, and comprises a lifting frame, the top of the lifting frame is fixedly connected with an extension frame, the surface of the extension frame is provided with a sliding through hole, and a lifting movable seat is arranged in the sliding through hole; the surface of the hanging bracket is provided with a strip-shaped mounting hole, the inner wall of the strip-shaped mounting hole is rotatably connected with an adjusting screw rod, the surface of the adjusting screw rod is in threaded connection with an adjusting block, and the surface of the adjusting block is fixedly connected with a T-shaped mounting seat. The adjusting lead screw can be used for driving the two supporting frames to rotate, then the positions of the wire rod supporting arms on the two sides of the hanging bracket are adjusted, then the distance between the two wire rod supporting arms can be adjusted and positioned according to the size of a wire rod coil, and wire rods on the surfaces of the two wire rod supporting arms can be close to each other in the lifting process; and the stability of the wire rod in the hoisting process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field especially relates to a crane sling. BACKGROUND

[0002] The commonly used sling is a hook, and other slings include a lifting ring, a lifting suction cup, a clamp and a lifting beam, etc. The lifting suction cup, the clamp and the lifting beam, etc. can be used as a special sling on the crane for long-term use, or can be hung on the hook as a replaceable auxiliary sling for temporary use. The sling is commonly used in warehouses and yards with multiple types of goods to improve work efficiency.

[0003] The patent file with the publication number CN220906949U discloses a crane sling, which comprises a hanging shell, an adjusting cavity, a moving groove, a connecting mechanism and an adjusting mechanism. The adjusting cavity is formed in the hanging shell, and the bottom side of the adjusting cavity is communicated with the moving groove formed on the bottom side surface of the hanging shell. The adjusting mechanism comprises an electric push rod, an adjusting seat, a moving block, a guide rod and a hook. The crane sling is novel in design and simple in structure.

[0004] The crane sling proposed in the above patent file can only pass the rope through the inside of the wire coil when lifting the wire coil and other goods, and then lift the wire. It is inconvenient to limit and prevent the wire from falling off, and it is not only poor in stability, but also time-consuming and laborious to operate when loading and unloading the wire coil, which affects work efficiency. UTILITY MODEL CONTENTS

[0005] The utility model discloses a crane sling, in order to realize above -mentioned purpose, the utility model has adopted the following technical scheme:

[0006] A crane sling, comprising a hanging bracket, the top of the hanging bracket is fixedly connected with an extension frame, the surface of the extension frame is provided with a sliding through -hole, and the inside of the sliding through -hole is provided with a lifting movable seat.

[0007] The surface of the hanging bracket is provided with a strip-shaped mounting hole, the inner wall of the strip-shaped mounting hole is rotatably connected with an adjusting screw rod, the surface of the adjusting screw rod is screw connected with an adjusting block, the surface of the adjusting block is fixedly connected with a T-shaped mounting seat, the two sides of the T-shaped mounting seat are rotatably connected with supporting frames, and the end, away from the T-shaped mounting seat, of the supporting frame is fixedly connected with a limiting circular plate.

[0008] The front end of the wire support arm is provided with an anti-falling assembly, and the anti-falling assembly comprises two movable baffles.

[0009] In a preferred scheme, the end of the wire support arm is provided with a cylindrical groove, the inner wall of the cylindrical groove is rotationally connected with a movable lead screw, the surface of the movable lead screw is threadedly connected with a movable block, the surface of the wire support arm is provided with two strip-shaped receiving holes, and one end of the movable baffle is rotationally connected with the inner wall of the strip-shaped receiving hole.

[0010] In a preferred scheme, the upper and lower surfaces of the movable block are rotationally connected with folding connecting rods, one end of the folding connecting rod away from the movable block is rotationally connected with the surface of the movable baffle, the size of the strip-shaped receiving hole is matched with the movable baffle, one end of the movable lead screw extends to the outside of the cylindrical groove, and an operating knob is fixed.

[0011] In a preferred scheme, the back surface of the hanger is fixedly connected with an adjusting box, an operating rod is rotationally arranged on the surface of the adjusting box, one end of the operating rod extends to the inside of the hanger, and a driving bevel gear is fixed, the bottom end of the adjusting lead screw is fixed with a driven bevel gear, the driving bevel gear is engaged with the driven bevel gear, and a hand wheel is fixedly arranged on the other end of the operating rod.

[0012] In a preferred scheme, the left and right sides of the extension frame are provided with position corresponding strip-shaped limiting holes, the two sides of the hoisting movable seat are fixedly connected with sliding columns, the sliding columns are slidingly connected with the inner walls of the strip-shaped limiting holes, and the end portions of the sliding columns are fixedly connected with limiting anti-dropping blocks.

[0013] In a preferred scheme, the surface of the hanger is rotationally connected with two support rods, and one end of the support rod away from the hanger is rotationally connected with the surface of the limiting circular plate.

[0014] In a preferred scheme, the bottom end of the hanger is fixedly connected with a limiting bottom plate, and a plurality of strip-shaped through holes are arranged on the surface of the limiting bottom plate.

[0015] As can be seen from the above, the crane sling provided by the utility model has the following technical effects.

[0016] Firstly, the strip-shaped mounting hole and the adjusting lead screw are arranged on the surface of the hanger, the two support frames can be driven to rotate by the adjusting lead screw, the position of the wire support arms on both sides of the hanger can be adjusted, the spacing of the two wire support arms can be adjusted and positioned according to the size of the wire coil, and the wires on the surfaces of the two wire support arms can be close and close during lifting, thereby improving the stability of the wires during lifting.

[0017] Secondly, the anti-falling assembly is arranged at the front end of the wire support arm, so that the wire coil on the surface of the wire support arm is limited by the movable baffle during use, the wire coil is prevented from moving and falling off from the surface of the wire support arm, and the movable baffle can be folded and stored in the cylindrical groove, thereby facilitating the loading and unloading operation of the wire coil. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A front view structural schematic diagram of the crane sling is provided in the utility model.

[0019] Figure 2 A rear view structural schematic diagram of the crane sling is provided in the utility model.

[0020] Figure 3 A side view structural schematic diagram of the crane sling is provided in the utility model.

[0021] Figure 4 A Figure 3 An enlarged structural schematic diagram of A in the middle.

[0022] Figure 5 An anti-falling assembly structural schematic diagram of the crane sling is provided in the utility model.

[0023] In the drawings: 1, a hanging bracket; 2, an extension frame; 3, an anti-falling assembly; 4, a hoisting movable seat; 5, a strip-shaped mounting hole; 6, an adjusting screw; 7, an adjusting block; 8, a T-shaped mounting seat; 9, a support frame; 10, a limiting round plate; 11, a wire support arm; 12, a sliding through hole; 13, a cylindrical groove; 14, a strip-shaped storage hole; 15, an adjusting box; 16, an operating rod; 17, a driving bevel gear; 18, a driven bevel gear; 19, a hand wheel; 20, a strip-shaped limiting hole; 21, a sliding column; 22, a limiting anti-falling block; 23, a support rod; 24, a limiting bottom plate;

[0024] 301, a movable baffle; 302, a movable screw; 303, a movable block; 304, a folding connecting rod; 305, an operating knob. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0026] With reference to Figure 1 and Figure 2 A crane sling, comprising a hanging bracket 1, the top of the hanging bracket 1 is fixedly connected with an extension frame 2, the surface of the extension frame 2 is provided with a sliding through hole 12, the inside of the sliding through hole 12 is provided with a hoisting movable seat 4, and the included angle between the extension frame 2 and the hanging bracket 1 is an obtuse angle structure.

[0027] It should be noted that the bottom end of the hanger 1 is fixedly connected with a limiting bottom plate 24, and a plurality of strip-shaped through holes are formed in the surface of the limiting bottom plate 24.

[0028] By arranging the limiting bottom plate 24, the limiting bottom plate 24 can be used to protect and limit the wire below, and some goods can be placed at the bottom of the limiting bottom plate 24.

[0029] It should be further noted that the left and right sides of the extension frame 2 are provided with corresponding strip-shaped limiting holes 20, and the two sides of the hoisting movable seat 4 are fixedly connected with sliding columns 21, which are in sliding connection with the inner walls of the strip-shaped limiting holes 20, and the end portions of the sliding columns 21 are fixedly connected with limiting anti-dropping blocks 22.

[0030] It is worth noting that by arranging the sliding through holes 12 on the surface of the extension frame 2, the sliding columns 21 can move inside the sliding through holes 12, so that the hoisting movable seat 4 can move inside the extension frame 2 during the lifting or lowering of the hanger 1, thereby playing a certain buffering role for the hanger 1.

[0031] Referring to Figure 3 and Figure 4 In a preferred embodiment, a strip-shaped mounting hole 5 is formed in the surface of the hanger 1, a regulating lead screw 6 is rotatably connected to the inner wall of the strip-shaped mounting hole 5, a regulating box 15 is fixedly connected to the back of the hanger 1, an operating lever 16 is rotatably arranged on the surface of the regulating box 15, one end of the operating lever 16 extends into the interior of the hanger 1 and is fixedly provided with a driving bevel gear 17, the bottom end of the regulating lead screw 6 is fixedly provided with a driven bevel gear 18, the driving bevel gear 17 is in meshing engagement with the driven bevel gear 18, and the other end of the operating lever 16 is fixedly provided with a hand wheel 19.

[0032] A regulating block 7 is threadedly connected to the surface of the regulating lead screw 6, a T-shaped mounting seat 8 is fixedly connected to the surface of the regulating block 7, supporting frames 9 are rotatably connected to the two sides of the T-shaped mounting seat 8, limiting round plates 10 are fixedly connected to the ends of the supporting frames 9 away from the T-shaped mounting seat 8, and wire support arms 11 are fixedly connected to the surfaces of the limiting round plates 10.

[0033] It should be noted that two supporting rods 23 are rotatably connected to the surface of the hanger 1, and the ends of the supporting rods 23 away from the hanger 1 are rotatably connected to the surfaces of the limiting round plates 10.

[0034] It is worth noting that by providing strip-shaped mounting holes 5 and adjusting screw rods 6 on the surface of the hanger 1, the support angle of the two support frames 9 can be adjusted by the adjusting screw rods 6, thereby driving the limiting circular plate 10 to move, the position of the wire support arms 11 on both sides of the hanger 1 can be adjusted, and the spacing of the two wire support arms 11 can be adjusted and positioned according to the size of the wire coil, and the wires on the surfaces of the two wire support arms 11 can be close and close during lifting, improving the stability of the wires during lifting.

[0035] With reference to Figure 5 In a preferred embodiment, the front end of the wire support arm 11 is provided with a anti-drop assembly 3, the anti-drop assembly 3 includes two movable baffles 301, the end of the wire support arm 11 is provided with a cylindrical groove 13, the inner wall of the cylindrical groove 13 is rotatably connected with a movable screw rod 302, the surface of the movable screw rod 302 is threadedly connected with a movable block 303, the surface of the wire support arm 11 is provided with two strip-shaped receiving holes 14, one end of the movable baffle 301 is rotatably connected with the inner wall of the strip-shaped receiving hole 14.

[0036] It should be noted that the upper and lower surfaces of the movable block 303 are rotatably connected with folding connecting rods 304, one end of the folding connecting rod 304 away from the movable block 303 is rotatably connected with the surface of the movable baffle 301, the size of the strip-shaped receiving hole 14 matches the movable baffle 301, one end of the movable screw rod 302 extends to the outside of the cylindrical groove 13, and an operation knob 305 is fixed.

[0037] It is worth noting that by providing the anti-drop assembly 3 at the front end of the wire support arm 11, the wire coil on the surface of the wire support arm 11 can be limited by the movable baffle 301 during use, preventing the wire coil from moving and falling off the surface of the wire support arm 11, and the movable baffle 301 can be folded and stored inside the cylindrical groove 13, thereby facilitating the loading and unloading operation of the wire coil.

[0038] Working principle: in use, first of all according to the size of the wire support arm 11 position adjustment, rotating hand wheel 19 drive bevel gear 17 rotation, in turn drive driven bevel gear 18 and adjusting screw 6 rotation, adjusting screw 6 adjusting block 7 in the bar mounting hole 5 inside up and down movement, in turn drive two support frame 9 in the surface of the hanger 1 rotation, while driving the wire support arm 11 surface of the limit round plate 10 movement, can adjust the distance between the two wire support arm 11, then the wire roll set in the surface of the wire support arm 11, then by rotating the knob 305 drive movable screw 302 rotation, in turn drive movable block 303 movement, movable block 303 drive two folding connecting rod 304 rotation, in turn drive two movable baffle 301 outward unfolding, can be used movable baffle 301 on the wire roll limiting, again the crane hook and hoisting movable seat 4 surface fixed, so as to use hoisting movable seat 4 drive hanger 1 upward movement, realize the hoisting work of wire.

[0039] The above only for the preferred specific embodiments of the present application, but the protection scope of the present application is not limited to this. The replacement can be partial structure, device, method step replacement, but also can be a complete technical solution. According to the technical scheme of the present application and the utility model concept to replace or change, should be covered in the protection scope of the present application.

Claims

1. A crane spreader comprising a spreader frame (1), characterized in that, The top of the hanger (1) is fixedly connected with an extension frame (2), the surface of the extension frame (2) is provided with a sliding through hole (12), and the inside of the sliding through hole (12) is provided with a hoisting movable seat (4); The surface of the hanger (1) is provided with a strip-shaped mounting hole (5), the inner wall of the strip-shaped mounting hole (5) is rotatably connected with an adjusting screw rod (6), the surface of the adjusting screw rod (6) is threadedly connected with an adjusting block (7), the surface of the adjusting block (7) is fixedly connected with a T-shaped mounting seat (8), the two sides of the T-shaped mounting seat (8) are rotatably connected with support frames (9), the end, away from the T-shaped mounting seat (8), of the support frame (9) is fixedly connected with a limiting circular plate (10), and the surface of the limiting circular plate (10) is fixedly connected with a wire support arm (11). The front end of the wire support arm (11) is provided with an anti-falling assembly (3), and the anti-falling assembly (3) comprises two movable baffles (301).

2. A crane spreader according to claim 1, characterised in that The end of the wire support arm (11) is provided with a cylindrical groove (13), the inner wall of the cylindrical groove (13) is rotatably connected with a movable screw rod (302), the surface of the movable screw rod (302) is threadedly connected with a movable block (303), the surface of the wire support arm (11) is provided with two strip-shaped receiving holes (14), and one end of the movable baffle (301) is rotatably connected with the inner wall of the strip-shaped receiving hole (14).

3. A crane spreader according to claim 2, characterised in that The upper and lower surfaces of the movable block (303) are rotatably connected with folding connecting rods (304), one end, away from the movable block (303), of the folding connecting rod (304) is rotatably connected with the surface of the movable baffle (301), the size of the strip-shaped receiving hole (14) is matched with that of the movable baffle (301), and one end of the movable screw rod (302) extends to the outside of the cylindrical groove (13) and is fixedly connected with an operation knob (305).

4. A crane spreader according to claim 1, characterised in that The back of the hanger (1) is fixedly connected with an adjusting box (15), the surface of the adjusting box (15) is rotatably provided with an operating rod (16), one end of the operating rod (16) extends to the inside of the hanger (1) and is fixedly connected with a driving bevel gear (17), the bottom end of the adjusting screw rod (6) is fixedly connected with a driven bevel gear (18), the driving bevel gear (17) is meshed with the driven bevel gear (18), and the other end of the operating rod (16) is fixedly provided with a hand wheel (19).

5. A crane spreader according to claim 1, characterized in that The left and right sides of the extension frame (2) are provided with position corresponding strip-shaped limiting holes (20), the two sides of the hoisting movable seat (4) are fixedly connected with sliding columns (21), the sliding columns (21) are slidably connected with the inner walls of the strip-shaped limiting holes (20), and the end portions of the sliding columns (21) are fixedly connected with limiting anti-falling blocks (22).

6. A crane spreader according to claim 1, characterized in that The surface of the hanger (1) is rotatably connected with two support rods (23), one end, away from the hanger (1), of the support rod (23) is rotatably connected with the surface of the limiting circular plate (10).

7. A crane spreader according to claim 1, characterized in that The bottom end of the hanger (1) is fixedly connected with a limiting bottom plate (24), and the surface of the limiting bottom plate (24) is provided with a plurality of strip-shaped through holes.

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