Magnetic type lifting sling

Abstract

The utility model relates to the technical field of hoisting lifting appliances, in particular to a magnetic type hoisting lifting appliance, which comprises a central column, a fixed seat and a hoisting head, the fixed seat is fixed above the central column, the hoisting head is arranged above the fixed seat and is connected with hoisting equipment, a positioning support plate is arranged on the outer side of the central column, and the magnetic type hoisting lifting appliance is arranged on the central column. The positioning supporting plates are arranged on the outer side of the center column in an equal-angle mode, auxiliary bottom supports are fixed to the lower portions of the positioning supporting plates, the bottom faces of the auxiliary bottom supports are flush with the bottom face of the center column, and movement control mechanisms are arranged on the inner sides of the positioning supporting plates. According to the magnetic type lifting appliance, the central column is matched with the positioning supporting plate to provide central positioning support for the circular ring body, so that the circular ring body is kept stable, the center of the circular ring and the central column can be kept consistent, the lifting stability is improved, and meanwhile, the auxiliary bottom support arranged below the positioning supporting plate can provide auxiliary protection for the lower part of the circular ring and prevent falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technology field, concretely is a kind of magnetic hoist. BACKGROUND

[0002] Hoist is installed to hoisting equipment and is connected with hoisting object, so that the object can be stably lifted, when lifting the annular metal product, generally, clamping type hoist or transverse hanging type hoist is used.

[0003] Prior art (the Chinese patent with publication number CN212769348U, published on March 23, 2021) a kind of hoist, it includes rope, balance beam and multiple adsorption components, the top of balance beam is connected with rope, balance beam can be hoisted horizontally by rope, the extension direction of balance beam is first direction, multiple adsorption components are connected to the bottom of balance beam, and are arranged at intervals in the first direction, adsorption component includes two electric permanent magnets, two electric permanent magnets are at intervals along second direction, second direction is perpendicular to first direction, adsorption component has flat state and vertical state, in flat state, the adsorption surface of two electric permanent magnets in the same adsorption component is all horizontally downward, for adsorbing the top surface of workpiece, in vertical state, two adsorption surfaces can be turned to vertical plane and opposite, for respectively adsorbing the opposite two sides of workpiece. The hoist proposed in the application makes hoisting more efficient, workpiece is better protected, and construction safety factor is improved.

[0004] At present, part of hoist assists the lifting of product through magnetic attraction effect, but the magnetism adopts electric control, there is certain risk when magnetic force disappears due to circuit failure, and with the increase of lifting time, electric power is continuously consumed, which increases the energy consumption of equipment, and when lifting the annular product, the stability of product is poor, the annular ring is easy to roll or slide, which affects the lifting stability. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of magnetic hoist to solve the above background technology proposed current hoist part through magnetic attraction effect assists the lifting of product, but magnetism adopts electric control, there is certain risk when magnetic force disappears due to circuit failure, and with the increase of lifting time, electric power is continuously consumed, which increases the energy consumption of equipment, and when lifting the annular product, the stability of product is poor.

[0006] In order to realize the above object, the utility model provides the following technical scheme: a magnetic formula hoist, including center column, fixed base and hoist head, the top of center column is fixed with fixed base, and the top of fixed base is provided with hoist head, and hoist head is connected with hoisting equipment, the outside of center column is provided with positioning support plate, and positioning support plate is distributed at equal angles on the outside of center column, and the lower side of positioning support plate is fixed with auxiliary bottom support, the bottom surface of auxiliary bottom support and the bottom surface of center column are flush, the inside of positioning support plate is provided with movement control mechanism, the movement of positioning support plate is controlled, makes positioning support plate and hoist head connect, the inside of center column is provided with adsorption magnet block, and adsorption magnet block, center column and fixed base all constitute vertical sliding connection, and the lower side of adsorption magnet block is provided with second spring, provides the upward thrust of adsorption magnet block, the outside of adsorption magnet block is provided with down control mechanism, and the movement of adsorption magnet block is controlled when hoisting, and the magnetic hoist of center column outside is attracted.

[0007] Further optimize the technical scheme, the outer surface of the positioning support plate is fixed with a rubber pad, and the outer side of the positioning support plate is designed in a circular arc structure.

[0008] Further optimize the technical scheme, the outer end of the auxiliary bottom support is designed in an inclined structure, and the inclined end of the auxiliary bottom support is located at the outer end of the positioning support plate, and the lateral dimension of the auxiliary bottom support is greater than the lateral dimension of the positioning support plate.

[0009] Further optimize the technical scheme, the down control mechanism includes a control rope and a pull-up seat.

[0010] The control rope is fixed below the adsorption magnet block, and the lower end of the control rope passes through the middle part of the adsorption magnet block through a winding shaft.

[0011] The pull-up seat is fixed below the hoist head, and the pull-up seat and the fixed base constitute an up-down sliding structure, and the lower side of the pull-up seat is fixedly connected with the control rope.

[0012] Further optimize the technical scheme, the movement control mechanism includes a guide block, a first spring, a pressing block and a hydraulic telescopic device.

[0013] The guide block is fixed inside the positioning support plate, and the guide block and the center column constitute a horizontal sliding structure.

[0014] The first spring is arranged outside the guide block to provide an inward moving thrust for the guide block.

[0015] The pressing block is arranged inside the center column, and the surface of the pressing block is designed in an inclined structure.

[0016] The hydraulic telescopic device is fixed below the pressing block to control the movement of the pressing block.

[0017] Further optimize the technical scheme, the upper of the extrusion block is provided with an auxiliary limiting mechanism, the position of the extrusion block is kept stable.

[0018] Further optimize the technical scheme, the auxiliary limiting mechanism comprises an auxiliary groove, a connecting column, a friction limiting plate, a driving block, a third spring, an outer push block, a connecting rod and a linkage plate.

[0019] The auxiliary groove is arranged above the extrusion block.

[0020] The connecting column is fixed inside the central column, and the connecting column is arranged above the auxiliary groove.

[0021] The friction limiting plate is arranged outside the connecting column.

[0022] The driving block is fixed inside the friction limiting plate, and a horizontal sliding structure is formed between the driving block and the connecting column.

[0023] The third spring is arranged outside the driving block to provide an inward pushing force for the driving block.

[0024] The outer push block is arranged at the inner end of the driving block, and the surface of the outer push block is designed in an inclined structure.

[0025] The connecting rod is fixed above the outer push block.

[0026] The linkage plate is fixed above the connecting rod.

[0027] Compared with the prior art, the utility model has the advantages that:

[0028] (1) The central column cooperates with the positioning support plate to provide central positioning support for the circular ring body, so that the circular ring body is kept stable, and the center of the circular ring body and the central column are kept consistent, the lifting stability is improved, and the auxiliary base under the positioning support plate can provide auxiliary protection for the lower side of the circular ring body to prevent falling off.

[0029] (2) The length of the auxiliary base is greater than that of the positioning support plate, so that the auxiliary base can be inserted into the lower side of the product before the positioning support plate contacts the circular ring body, the product is pushed upward, the protection effect is achieved, and the insertion of the auxiliary base is not affected by the supporting resistance of the positioning support plate.

[0030] (3) The metal ring body outside the central column is attracted by the adsorption magnetic block, the lifting stability is improved, and the metal ring body is prevented from sliding, the adsorption magnetic block can move vertically, the adsorption magnetic block is removed by controlling the upward movement of the adsorption magnetic block, the lower side of the ring body is convenient, the adsorption magnetic block automatically descends to adsorb the product during lifting, and the operation is more stable and energy-saving.

[0031] (4) The connection between the friction limit plate and the auxiliary groove can provide a limiting effect on the movement of the drive block, and the friction limit plate moves automatically after lifting, so that the position of the positioning support plate remains stable after lifting, thereby improving the overall stability of the lifting. Attached Figure Description

[0032] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0033] Figure 2 This is a schematic diagram of the structure of this utility model from below;

[0034] Figure 3 This is a schematic diagram of the main cross-section of the present invention;

[0035] Figure 4 This is a schematic diagram of the top section of the central column structure of this utility model;

[0036] Figure 5 This is a top view of the extrusion block structure of this utility model;

[0037] Figure 6 This is a schematic diagram of the main cross-section of the connecting column of this utility model.

[0038] In the diagram: 1. Central column; 2. Fixed seat; 3. Lifting head; 4. Positioning support plate; 5. Auxiliary base; 6. Guide block; 7. First spring; 8. Compression block; 9. Hydraulic telescopic device; 10. Adsorption magnetic block; 11. Second spring; 12. Control rope; 13. Pull-up seat; 14. Auxiliary groove; 15. Connecting column; 16. Friction limit plate; 17. Drive block; 18. Third spring; 19. Push block; 20. Connecting rod; 21. Linkage plate. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] Please see Figures 1-6 The present invention provides the following technical solution: a magnetic lifting device, comprising a central column 1, a fixed base 2 and a lifting head 3, wherein the fixed base 2 is fixed above the central column 1 and the lifting head 3 is provided above the fixed base 2, and the lifting head 3 is connected to the lifting equipment;

[0041] Example one: the embodiment provides the following technical scheme, disclose the outside of center column 1 is provided with positioning support plate 4, and positioning support plate 4 is distributed at equal angles on the outside of center column 1, and the lower side of positioning support plate 4 is fixed with auxiliary bottom support 5, the bottom surface of auxiliary bottom support 5 is flush with the bottom surface of center column 1, the inner side of positioning support plate 4 is provided with a movement control mechanism, the movement of positioning support plate 4 is controlled, positioning support plate 4 and the lifting object are connected, the inside of center column 1 is provided with adsorption magnetic block 10, and the adsorption magnetic block 10, center column 1 and fixed seat 2 are vertically slidably connected, and the lower side of adsorption magnetic block 10 is provided with second spring 11, which provides upward thrust for adsorption magnetic block 10, the outer side of adsorption magnetic block 10 is provided with a downward control mechanism, which controls the downward movement of adsorption magnetic block 10 during lifting, and attracts the magnetic lifting object on the outer side of center column 1, the outer surface of positioning support plate 4 is fixed with rubber pad, and the outer side of positioning support plate 4 is designed as a circular arc structure, the outer end of auxiliary bottom support 5 is designed as an inclined structure, and the inclined end of auxiliary bottom support 5 is located at the outer end of positioning support plate 4, and the transverse dimension of auxiliary bottom support 5 is greater than that of positioning support plate 4.

[0042] When the metal magnetic circular ring body is lifted, the center column 1 can be moved into the circular ring body, so that the bottom of the center column 1 contacts the supporting surface, and then the positioning support plate 4 is controlled to move and contact the circular ring body, and the auxiliary bottom support 5 is moved when the positioning support plate 4 moves, and the auxiliary bottom support 5 is inserted into the lower side of the ring body before the positioning support plate 4 contacts the ring body, so that the ring body is lifted and prevented from falling subsequently, and then the positioning support plate 4 contacts the ring body to provide support and centering effect.

[0043] Example two: based on example one, the downward control mechanism includes control rope 12 and pull-up seat 13, control rope 12 is fixed below adsorption magnetic block 10, and the lower end of control rope 12 penetrates the middle part of adsorption magnetic block 10 through a winding shaft, pull-up seat 13 is fixed below lifting head 3, and pull-up seat 13 and fixed seat 2 form an up-down sliding structure, and the lower side of pull-up seat 13 is fixed with control rope 12, the movement control mechanism includes guide block 6, first spring 7, extrusion block 8 and hydraulic telescopic device 9, guide block 6 is fixed inside positioning support plate 4, and guide block 6 and center column 1 form a horizontal sliding structure, first spring 7 is arranged outside guide block 6 to provide inward movement thrust for guide block 6, extrusion block 8 is arranged inside center column 1, and the surface of extrusion block 8 is designed as an inclined structure, and hydraulic telescopic device 9 is fixed below extrusion block 8 to control the movement of extrusion block 8.

[0044] When hoisting, the hoisting head 3 will pull the pull-up seat 13 to move, the pull-up seat 13 pulls the adsorptive magnetic block 10 to move downwards through the control rope 12, the adsorptive magnetic block 10 is moved into the central column 1, and the ring body outside the central column 1 is attracted to realize the magnetic adsorption effect, improve the hoisting stability of the ring body, and when the subsequent product is below, the pulling force of the pull-up seat 13 is released, the second spring 11 pushes the adsorptive magnetic block 10 to move upwards, the adsorption effect of the adsorptive magnetic block 10 on the ring body is released, the ring body is conveniently lowered, operation is more energy-saving and stable, the extrusion block 8 is controlled to move through the hydraulic telescopic device 9, the extrusion block 8 can push the guide block 6 to drive the positioning support plate 4 to move, and the ring body is supported and positioned.

[0045] In the embodiment one, the upper side of the extrusion block 8 is provided with an auxiliary limiting mechanism, the stability of the position of the extrusion block 8 is kept, the auxiliary limiting mechanism comprises an auxiliary groove 14, a connecting column 15, a friction limiting plate 16, a driving block 17, a third spring 18, an outer pushing block 19, a connecting rod 20 and a linkage plate 21, the auxiliary groove 14 is arranged at the upper side of the extrusion block 8, the connecting column 15 is fixed in the inside of the central column 1, the connecting column 15 is arranged above the auxiliary groove 14, the friction limiting plate 16 is arranged at the outside of the connecting column 15, the driving block 17 is fixed at the inside of the friction limiting plate 16, and a horizontal sliding structure is formed between the driving block 17 and the connecting column 15, the third spring 18 is arranged at the outside of the driving block 17 to provide an inward pushing force for the driving block 17, the outer pushing block 19 is arranged at the inner end of the driving block 17, and the surface of the outer pushing block 19 is designed in an inclined structure, the connecting rod 20 is fixed above the outer pushing block 19, and the linkage plate 21 is fixed above the connecting rod 20.

[0046] When hoisting, the adsorptive magnetic block 10 moves downwards, the linkage plate 21 presses the connecting rod 20 and the outer pushing block 19 downwards, the outer pushing block 19 extrudes the driving block 17 to drive the friction limiting plate 16 to move, the friction limiting plate 16 is connected with the auxiliary groove 14 to limit the extrusion block 8, the stability of the position of the extrusion block 8 is kept, and the overall stability of hoisting is improved.

[0047] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0048] Although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A magnetic lifting sling, comprising a center column (1), a fixed seat (2) and a lifting head (3), the upper portion of the center column (1) is fixed with the fixed seat (2), and the upper portion of the fixed seat (2) is provided with the lifting head (3), and the lifting head (3) is connected with a hoisting device; characterized in that The outer side of the center column (1) is provided with a positioning support plate (4), and the positioning support plate (4) is equiangularly distributed on the outer side of the center column (1), and the lower portion of the positioning support plate (4) is fixed with an auxiliary bottom support (5), the bottom surface of the auxiliary bottom support (5) is flush with the bottom surface of the center column (1), the inner side of the positioning support plate (4) is provided with a movement control mechanism, the movement of the positioning support plate (4) is controlled, the positioning support plate (4) and the lifting object are connected, the inside of the center column (1) is provided with an adsorbing magnetic block (10), and the adsorbing magnetic block (10) and the center column (1) and the fixed seat (2) are vertically slidably connected, and the lower portion of the adsorbing magnetic block (10) is provided with a second spring (11) to provide upward thrust for the adsorbing magnetic block (10), and the outer side of the adsorbing magnetic block (10) is provided with a downward movement control mechanism to control the downward movement of the adsorbing magnetic block (10) during lifting, and the magnetic lifting object on the outer side of the center column (1) is attracted.

2. The magnetic lifting spreader according to claim 1, characterized in that: The outer surface of the positioning support plate (4) is fixed with a rubber pad, and the outer side of the positioning support plate (4) is designed in a circular arc structure.

3. The magnetic lifting spreader according to claim 1, characterized in that: The outer end of the auxiliary bottom support (5) is designed in an inclined structure, and the inclined end of the auxiliary bottom support (5) is located at the outer end of the positioning support plate (4), and the transverse dimension of the auxiliary bottom support (5) is greater than that of the positioning support plate (4).

4. The magnetic lifting spreader according to claim 1, characterized in that: The downward movement control mechanism comprises a control rope (12) and a pulling seat (13); The control rope (12) is fixed below the adsorbing magnetic block (10), and the lower end of the control rope (12) penetrates the middle portion of the adsorbing magnetic block (10) through a winding shaft; The pulling seat (13) is fixed below the lifting head (3), and the pulling seat (13) and the fixed seat (2) form an up-down sliding structure, and the lower portion of the pulling seat (13) is fixedly connected with the control rope (12).

5. The magnetic lifting spreader according to claim 1, characterized in that: The movement control mechanism comprises a guide block (6), a first spring (7), a pressing block (8) and a hydraulic telescopic device (9); The guide block (6) is fixed on the inner side of the positioning support plate (4), and the guide block (6) and the center column (1) form a horizontal sliding structure; The first spring (7) is arranged on the outer side of the guide block (6) to provide an inward movement thrust for the guide block (6); The pressing block (8) is arranged in the inside of the center column (1), and the surface of the pressing block (8) is designed in an inclined structure; The hydraulic telescopic device (9) is fixed below the pressing block (8) to control the movement of the pressing block (8).

6. A magnetic lifting spreader according to claim 5, characterized in that: The upper portion of the pressing block (8) is provided with an auxiliary limiting mechanism to keep the position of the pressing block (8) stable.

7. A magnetic lifting spreader according to claim 6, characterised in that: The auxiliary limiting mechanism comprises an auxiliary groove (14), a connecting column (15), a friction limiting plate (16), a driving block (17), a third spring (18), an outer pushing block (19), a connecting rod (20) and a linkage plate (21). The auxiliary groove (14) is arranged above the extrusion block (8); The connecting column (15) is fixed inside the central column (1), and the connecting column (15) is arranged above the auxiliary groove (14); The friction limiting plate (16) is arranged outside the connecting column (15); The driving block (17) is fixed inside the friction limiting plate (16), and a horizontal sliding structure is formed between the driving block (17) and the connecting column (15); The third spring (18) is arranged outside the driving block (17) and provides an inward thrust for the driving block (17); The outer push block (19) is arranged at the inner end of the driving block (17), and the surface of the outer push block (19) is designed in an inclined structure; The connecting rod (20) is fixed above the outer push block (19); The linkage plate (21) is fixed above the connecting rod (20).

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