Adjustable steel pipe lifting appliance

Abstract

The utility model discloses an adjustable steel pipe lifting appliance, which belongs to the field of lifting appliances and comprises a portal frame, the lower surface of the portal frame is rotatably connected with a connecting frame, and the distance between two ends of a positioning component can be adjusted by a size adjusting component through matched arrangement of the size adjusting component and the positioning component, so that the adjustable steel pipe lifting appliance is adaptive to steel pipes with different lengths. The positioning plates on the two sides are located at the two ends of a steel pipe, then a first electric push rod is started to drive a first telescopic column to contract, the positioning plates on the peripheral side are driven by a transmission opening rod to slide towards the side, the positioning plates extrude, support and fix outwards from the interior of the steel pipe, and the device can clamp and hoist the steel pipes with different diameters and different lengths; and meanwhile, a rotating motor is started to drive a positioning plate and the steel pipe clamped on the outer surface to conduct overturning and rotating operation, workers can conveniently conduct all-directional inspection operation on the steel pipe, and the lifting appliance brings use convenience to a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of steel pipe lifting appliance of adjustable, and specifically relates to a kind of steel pipe lifting appliance of adjustable. BACKGROUND

[0002] Lifting appliance is widely used in machinery, smelting, petroleum, chemical industry, port, shipbuilding and other fields, especially in large steel enterprises, almost all product transfer is realized by lifting appliance, and the types of lifting appliance are many, mainly including steel wire rope, steel wire rope sling, synthetic fiber hoisting belt, nylon braided rope, chain sling, steel plate lifting tongs, metallurgical lifting appliance, beam and the like, billet hoisting generally uses square billet clamp, clamp uses lever principle to hoist billet, does not need power source, and positioning or locking is implemented by rotating shutter.

[0003] Lifting appliance is widely used in machinery, smelting, petroleum, chemical industry, port, shipbuilding and other fields, especially in large steel enterprises, almost all product transfer is realized by lifting appliance, and the types of lifting appliance are many, mainly including steel wire rope, steel wire rope sling, synthetic fiber hoisting belt, nylon braided rope, chain sling, steel plate lifting tongs, metallurgical lifting appliance, beam and the like, billet hoisting generally uses square billet clamp, clamp uses lever principle to hoist billet, does not need power source, and positioning or locking is implemented by rotating shutter.

[0004] Therefore, the utility model provides a kind of steel pipe lifting appliance of adjustable to solve the above problems. UTILITY MODEL CONTENTS

[0005] (One) technical problem solved

[0006] The utility model provides a kind of steel pipe lifting appliance of adjustable, aims at solving the problem proposed in background art.

[0007] (Two) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] Including portal frame, the lower surface of the portal frame is rotatably connected with connecting frame, the lower surface of the connecting frame is fixedly installed with adjusting frame, the inside of the adjusting frame is provided with size adjusting assembly, the lower surface of the size adjusting assembly is fixedly installed with positioning assembly, the upper surface both sides of the portal frame are provided with lifting lug;

[0010] The positioning assembly comprises a telescopic plate fixedly installed on the lower surface of the size adjusting assembly, a through hole is formed in the bottom of the telescopic plate, a rotating column is rotatably connected in the through hole, a connecting rod is fixedly installed on the side wall surface of the rotating column in an annular array, a first telescopic column is fixedly installed at one end of the connecting rod, a first electric push rod is fixedly installed in the first telescopic column, a positioning plate is arranged on the side surface of the outer column of the first telescopic column in an annular array, a second telescopic column is fixedly installed on the side surface of the positioning plate, the other end of the second telescopic column is fixedly installed on the outer surface of the first telescopic column, a hinged seat is arranged on the side surface of the inner column of the first telescopic column in an annular array, and a strutting rod is rotatably connected in the hinged seat.

[0011] As a preferred technical solution of the present application, the inner side wall of the through hole is provided with a snap ring, the outer surface of the rotating column is provided with an annular groove, the snap ring is rotatably connected in the annular groove, the side surface of the telescopic plate is fixedly installed with a rotating motor through a support frame, and the output end of the rotating motor is fixedly installed with a rotating column.

[0012] As a preferred technical solution of the present application, the inside of the telescopic plate is provided with a second electric push rod, the lower surface of the adjusting frame is provided with a first sliding groove, and the size adjusting assembly comprises sliding blocks slidingly connected to the two sides of the inner side wall of the adjusting frame.

[0013] As a preferred technical solution of the present application, the inside of the adjusting frame is rotatably connected with a bidirectional screw rod, the lower surface of the sliding block is fixedly installed with a telescopic plate, the upper surface of the adjusting frame is fixedly installed with an adjusting motor, the output end of the adjusting motor is fixedly installed with a rotating shaft, the rotating shaft and the outer surface of the bidirectional screw rod are both fixedly installed with a belt pulley, and the outer surfaces of the belt pulleys on the two sides are lapped with a belt.

[0014] As a preferred technical solution of the present application, the upper surface of the connecting frame is fixedly installed with a rotating rod, the rotating rod is rotatably connected to the surface of the gantry frame, the outer surface of the rotating rod is fixedly installed with a rotating gear, one side of the rotating gear is meshingly connected with a driving toothed plate, one side of the driving toothed plate is fixedly installed with a third electric push rod through a connecting piece, and the inside of the driving toothed plate is slidingly connected with a guide piece.

[0015] As a preferred technical solution of the present application, the two sides of the inner top wall of the gantry frame are both fixedly installed with an arc-shaped guide frame, the inside of the arc-shaped guide frame is slidingly connected with a connecting column, and the connecting column is fixedly installed on the upper surface of the adjusting frame.

[0016] (Three) beneficial effects

[0017] Through the cooperation of the size adjusting assembly and the positioning assembly, the size adjusting assembly can adjust the distance between the two ends of the positioning assembly, thereby adapting to steel pipes of different lengths, the positioning plates on both sides are at the two ends of the steel pipe, and then the first electric push rod is started to drive the first telescopic column to shrink, the positioning plates on the side are driven by the transmission support opening rod to slide to the side, so that the positioning plates are extruded and supported from the inside to the outside of the steel pipe, so that the device can clamp and hoist steel pipes of different diameters and lengths, improve the practicability of the device, and the positioning plate and the steel pipe clamped on the outer surface are turned over by starting the rotating motor, which is convenient for the staff to check the steel pipe in all directions, so that the lifting appliance brings convenience to the user. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of an adjustable steel pipe lifting appliance;

[0019] Figure 2 It is a structure schematic view of a sectional view of an adjustable steel pipe lifting appliance;

[0020] Figure 3 It is a structure schematic view of a positioning assembly of an adjustable steel pipe lifting appliance;

[0021] Figure 4 It is a structure schematic view of an adjustable steel pipe lifting appliance Figure 3 It is an enlarged structure schematic view of A in the middle;

[0022] Figure 5 It is a structure schematic view of a guide and an arc-shaped guide frame of an adjustable steel pipe lifting appliance.

[0023] In the figure:

[0024] 1, gantry; 2, connecting frame; 3, adjusting frame; 4, size adjusting assembly; 401, sliding block; 402, bidirectional screw; 403, adjusting motor; 404, pulley; 5, positioning assembly; 501, telescopic plate; 502, rotating column; 503, connecting rod; 504, first telescopic column; 505, first electric push rod; 506, positioning plate; 507, second telescopic column; 508, support opening rod; 509, clasp; 510, rotating motor; 6, second electric push rod; 7, rotating rod; 8, rotating gear; 9, driving toothed plate; 10, third electric push rod; 11, guide; 12, arc-shaped guide frame; 13, connecting column. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the present utility model.

[0026] The utility model provides a kind of adjustable steel pipe lifting appliance, including portal frame 1, the lower surface of portal frame 1 is rotatably connected with connecting frame 2, the lower surface of connecting frame 2 is fixedly installed with adjusting frame 3, the inside of adjusting frame 3 is provided with size adjusting assembly 4, the lower surface of size adjusting assembly 4 is fixedly installed with positioning assembly 5, the upper surface both sides of portal frame 1 are provided with lifting lug;

[0027] Positioning assembly 5 includes fixed mounting in the lower surface of size adjusting assembly 4 telescopic plate 501, the bottom of telescopic plate 501 is provided with through hole, the inside of through hole is rotatably connected with rotary column 502, rotary column 502 The side wall surface annular array of fixed mounting has connecting rod 503, one end of connecting rod 503 is fixedly installed with first telescopic column 504, first telescopic column 504 is fixedly installed with first electric push rod 505 in the inside, the side surface annular array of first telescopic column 504 outer column is provided with positioning plate 506, the side surface of positioning plate 506 is fixedly installed with second telescopic column 507, second telescopic column 507 is fixedly installed on the outer surface of first telescopic column 504 in another end, the side surface annular array of first telescopic column 504 inner column is provided with hinged seat, hinged seat is rotatably connected with opening lever 508 in the inside, the other end of opening lever 508 is rotatably connected with the inner side wall of positioning plate 506 through hinged seat, the inner side wall of through hole is provided with snap ring 509, annular groove is set up on the outer surface of rotary column 502, snap ring 509 is rotatably connected in the inside of annular groove, the side surface of telescopic plate 501 is fixedly installed with rotary motor 510 through support frame, the output end of rotary motor 510 is fixedly installed with rotary column 502.

[0028] The positioning plate 506 at the bottom of the positioning assembly 5 is moved to the inside of the two ends of the steel pipe through the size adjusting assembly 4, then the worker starts the first electric push rod 505 to drive the first telescopic column 504 to retract, the retraction of the inner column drives the strutting rod 508 to move, the movement of the strutting rod 508 drives the positioning plate 506 on one side to move under the guidance of the second telescopic column 507, the surface of the positioning plate 506 is tightly attached to the inner side wall of the steel pipe, and the positioning plate 506 on the circumference slides outward to extrude and fix the inside of the two ends of the steel pipe, so that the fixing operation on the steel pipe is completed, the device can clamp and hoist steel pipes of different diameters and lengths, and the practicability of the device is improved. When it is necessary to rotate the steel pipe, the worker starts the rotating motor 510 to drive the rotating column 502 to rotate, the annular groove of the rotating column 502 rotates in the inside of the clasp ring 509, the stability during rotation is ensured, the rotating column 502 drives the first telescopic column 504 to rotate through the connecting rod 503, and the first telescopic column 504 drives the steel pipe to rotate synchronously through the positioning plate 506, so that the worker can conveniently perform omnibearing inspection operation on the steel pipe, and the lifting appliance brings convenience to the user.

[0029] The inside of the telescopic plate 501 is provided with the second electric push rod 6, the lower surface of the adjusting frame 3 is provided with a first sliding groove, and the size adjusting assembly 4 comprises sliding blocks 401 slidingly connected to the inner side walls of the adjusting frame 3 on both sides.

[0030] When the positioning assembly 5 completes clamping and positioning on the steel pipe, the worker starts the second electric push rod 6 to drive the telescopic plate 501 to retract, the telescopic plate 501 drives the steel pipe at the bottom to move upward, so that the steel pipe is lifted to a certain height, and contact between the steel pipe and the ground is avoided, thereby facilitating subsequent transportation operation.

[0031] The inside of the adjusting frame 3 is rotationally connected with a bidirectional screw rod 402, the lower surface of the sliding block 401 is fixedly installed with the telescopic plate 501, the upper surface of the adjusting frame 3 is fixedly installed with an adjusting motor 403, the output end of the adjusting motor 403 is fixedly installed with a rotating shaft, the rotating shaft and the outer surface of the bidirectional screw rod 402 are both fixedly installed with belt pulleys 404, and the outer surfaces of the belt pulleys 404 on both sides are lapped with a belt.

[0032] When it is necessary to adjust the distance between the two positioning assemblies 5, the worker starts the adjusting motor 403 to drive the driving shaft to rotate, the driving shaft drives the lower bidirectional screw rod 402 to rotate through the belt pulley 404, the rotation of the bidirectional screw rod 402 makes the sliding blocks 401 on both sides move closer to or away from each other, so that the lower positioning assembly 5 is positioned at a suitable position to position steel pipes of different lengths, and the practicability of the device is improved.

[0033] The upper surface of the connecting frame 2 is fixedly provided with a rotating rod 7, the rotating rod 7 is rotatably connected to the surface of the portal frame 1, the outer surface of the rotating rod 7 is fixedly provided with a rotating gear 8, one side of the rotating gear 8 is engaged with a driving toothed plate 9, one side of the driving toothed plate 9 is fixedly provided with a third electric push rod 10 through a connecting piece, the inside of the driving toothed plate 9 is slidably connected with a guide piece 11, both sides of the inner top wall of the portal frame 1 are fixedly provided with an arc-shaped guide frame 12, the inside of the arc-shaped guide frame 12 is slidably connected with a connecting column 13, and the connecting column 13 is fixedly provided on the upper surface of the adjusting frame 3.

[0034] The third electric push rod 10 is started by the worker to drive the driving toothed plate 9 to move, the driving toothed plate 9 stably slides on the outer surface of the guide piece 11, the driving toothed plate 9 moves to drive the rotating gear 8 to rotate, the rotating gear 8 drives the rotating rod 7 in the inside to rotate, the rotating rod 7 drives the connecting frame 2 below to rotate, the connecting frame 2 drives the adjusting frame 3 below to move synchronously, the adjusting frame 3 drives the connecting column 13 above to stably slide in the inside of the arc-shaped guide frame 12, and the adjusting frame 3 drives the steel pipe to adjust the angle through the positioning assembly 5, so that the potential dangerous obstacles are bypassed, and the accident risk in the hoisting process is reduced.

[0035] The above, only for the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed by the present application, according to the technical scheme of the present application and the utility model concept, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. An adjustable steel pipe spreader comprising a portal (1), characterized in that: The lower surface of the portal frame (1) is rotatably connected with a connecting frame (2), the lower surface of the connecting frame (2) is fixedly installed with an adjusting frame (3), the inside of the adjusting frame (3) is provided with a size adjusting assembly (4), the lower surface of the size adjusting assembly (4) is fixedly installed with a positioning assembly (5), and the upper surface of the portal frame (1) is provided with lifting lugs on both sides. The positioning assembly (5) comprises a telescopic plate (501) fixedly installed on the lower surface of the size adjusting assembly (4), a through hole is formed in the bottom of the telescopic plate (501), a rotating column (502) is rotatably connected in the through hole, a connecting rod (503) is fixedly installed on the side wall surface of the rotating column (502) in an annular array, a first telescopic column (504) is fixedly installed at one end of the connecting rod (503), a first electric push rod (505) is fixedly installed in the first telescopic column (504), a positioning plate (506) is arranged on the side surface of the outer column of the first telescopic column (504) in an annular array, a second telescopic column (507) is fixedly installed on the side surface of the positioning plate (506), the other end of the second telescopic column (507) is fixedly installed on the outer surface of the first telescopic column (504), a hinged seat is arranged on the side surface of the inner column of the first telescopic column (504) in an annular array, and a strutting rod (508) is rotatably connected in the hinged seat.

2. An adjustable steel pipe sling according to claim 1, characterized in that: A clasp (509) is arranged on the inner side wall of the through hole, an annular groove is formed in the outer surface of the rotating column (502), the clasp (509) is rotatably connected in the annular groove, a rotating motor (510) is fixedly installed on the side surface of the telescopic plate (501) through a support frame, and the output end of the rotating motor (510) is fixedly installed with the rotating column (502).

3. An adjustable steel pipe sling as claimed in claim 1, characterized in that: A second electric push rod (6) is arranged in the telescopic plate (501), a first sliding groove is formed in the lower surface of the adjusting frame (3), and the size adjusting assembly (4) comprises sliding blocks (401) slidably connected on the inner side walls of the adjusting frame (3) on both sides.

4. An adjustable steel pipe sling according to claim 3, characterized in that: A bidirectional screw rod (402) is rotatably connected in the adjusting frame (3), the lower surface of the sliding block (401) is fixedly installed with the telescopic plate (501), an adjusting motor (403) is fixedly installed on the upper surface of the adjusting frame (3), a rotating shaft is fixedly installed on the output end of the adjusting motor (403), a belt pulley (404) is fixedly installed on the outer surface of the rotating shaft and the outer surface of the bidirectional screw rod (402), and the outer surfaces of the belt pulleys (404) on both sides are lapped with a belt.

5. An adjustable pipe sling according to claim 1, characterized in that: The upper surface of the connecting frame (2) is fixedly provided with a rotating rod (7) which is rotatably connected to the surface of the portal frame (1), the outer surface of the rotating rod (7) is fixedly provided with a rotating gear (8), one side of the rotating gear (8) is engagedly provided with a driving toothed plate (9), one side of the driving toothed plate (9) is fixedly provided with a third electric push rod (10) through a connecting piece, the inside of the driving toothed plate (9) is slidably and penetrately provided with a guide piece (11).

6. An adjustable pipe sling according to claim 5, characterised in that: Both sides of the inner top wall of the portal frame (1) are fixedly provided with arc-shaped guide frames (12), the inside of the arc-shaped guide frames (12) is slidably connected with connecting columns (13), the connecting columns (13) are fixedly provided on the upper surface of the adjusting frame (3).

Images