CN220519911U

CN220519911U - Steel plate magnetic lifting appliance

Info

Publication number: CN220519911U
Application number: CN202321892767.0U
Authority: CN
Inventors: 黄斌; 甘海峰; 齐攀; 任争胜; 黄大启
Original assignee: Zhuzhou Hvr Magnetics Co ltd
Current assignee: Zhuzhou Hvr Magnetics Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-02-23
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a steel plate magnetic lifting appliance which comprises a main beam, auxiliary beams, electromagnet assemblies and lifting chain assemblies, wherein a plurality of auxiliary beams are arranged on the main beam at intervals along the length direction of the main beam, the auxiliary beams are arranged in a crossing way relative to the main beam, one end of each lifting chain assembly is hinged with the corresponding auxiliary beam, the other end of each lifting chain assembly is hinged with the corresponding electromagnet assembly, and the adjacent electromagnet assemblies below the same auxiliary beam are hinged. According to the utility model, as the adjacent electromagnet assemblies are connected by adopting the hinge, when the electromagnet assemblies are lowered onto the surface of the steel plate, the electromagnet assemblies can be adaptively deformed according to the shape of the steel plate and are perfectly attached to the surface of the steel plate, so that the attraction force of the magnet of the electromagnet assemblies to the steel plate is kept from being reduced. Therefore, the defect that the traditional magnet lifting tool cannot lift the steel plate with large deformation in the width direction is overcome, the application range of the magnetic lifting tool is wider, the safety coefficient is higher, and the lifting efficiency is higher.

Description

Steel plate magnetic lifting appliance

Technical Field

The utility model relates to the technical field of hoisting, in particular to a steel plate magnetic lifting appliance.

Background

The magnetic lifting appliance (including an electric permanent magnet lifting appliance, an electromagnet lifting appliance and a permanent magnet lifting appliance) iron is widely applied to industries such as machine manufacturing, logistics transportation and the like as magnetic clamping equipment, is widely used for lifting magnetic conductive metals, and is especially widely applied to the steel plate lifting industry.

However, when a steel plate is rolled or put in a steel mill, some special-shaped plates inevitably appear, such as a high middle in the width direction, a low side (a convex arch in the middle of the width direction), or a low middle in the two sides (a concave shape with high middle and low two ends in the width direction), at this time, if a magnetic lifting tool is adopted, the contact surface between the attraction surface of the magnetic lifting tool and the steel plate is greatly reduced, as shown in the schematic diagram, and the attraction force of the magnetic lifting tool is greatly reduced along with the increase of the gap between the attraction surface of the magnet and the steel plate (the magnetic pole of the magnet is required to be fully contacted with the attracted steel plate, and the magnetic force is greatly reduced when the gap between the magnet and the steel plate is increased), and when the steel plate is seriously deformed in the width direction, the situation that the magnet cannot absorb and lift the steel plate is also influenced (see fig. 1).

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a steel plate magnetic lifting appliance.

In order to solve the technical problems, the utility model discloses a steel plate magnetic lifting appliance which comprises a main beam, auxiliary beams, electromagnet assemblies and lifting chain assemblies, wherein a plurality of the auxiliary beams are arranged on the main beam at intervals along the length direction of the main beam, the auxiliary beams are arranged in a crossing manner relative to the main beam, one end of each lifting chain assembly is hinged with the corresponding auxiliary beam, the other end of each lifting chain assembly is hinged with the corresponding electromagnet assembly, and the adjacent electromagnet assemblies below the same auxiliary beam are hinged.

Furthermore, the main beam and the auxiliary beam are rectangular pipes or square pipes, and the auxiliary beam is vertically fixedly connected to the upper side surface of the main beam.

Furthermore, lifting lug assemblies for lifting the main beam are further arranged on two sides of the main beam.

Further, any one of the lifting lug assemblies comprises a lifting beam, lifting lug plates, shaft pins and unhooking-preventing clamping plates, wherein the lifting beam is fixedly connected to one side of the main beam, the lifting lug plates are arranged on the lifting beam at intervals, the lifting lug plates which are oppositely arranged are connected through the shaft pins, and the unhooking-preventing clamping plates are arranged below the shaft pins and are connected with the lifting lug plates on two sides.

Further, the lifting chain assembly comprises a lifting rod, a chain and a buffer spring, wherein the lifting rod is vertically connected with the auxiliary beam in a sliding mode, one end of the lifting rod is hinged to the chain, the other end of the lifting rod is connected to the upper end of the buffer spring, and the lower end of the buffer spring is abutted to the auxiliary beam.

Further, the lifting chain assembly further comprises a spring pressing plate, a spring guide rod, a guide rod connecting plate and a pressing plate limiting nut, wherein the spring guide rod is arranged on two sides of the lifting rod and fixedly connected with the guide rod connecting plate, a buffer spring is sleeved on the spring guide rod, the spring guide rod is in sliding connection with Kong Huajie at two ends of the spring pressing plate, the buffer spring is propped against the spring pressing plate, the spring pressing plate and the guide rod connecting plate are in sliding connection with the lifting rod, and the spring pressing plate is connected with the pressing plate limiting nut in threaded connection with the lifting rod.

Further, the end part of the lifting rod is provided with a radial hole, a nut anti-falling rod is inserted into the radial hole, two ends of the nut anti-falling rod are provided with anti-falling plates, and the anti-falling plates are limited by anti-falling pins on the nut anti-falling rod.

Further, the upper side of the pressing plate limiting nut is fixedly connected with a nut locking sleeve, the nut locking sleeve is sleeved on the lifting rod, strip-shaped holes used for allowing two ends of the nut locking rod to penetrate through are formed in two sides of the nut locking sleeve, and the locking plates are arranged on two sides of the nut locking sleeve.

Further, the spring pressing plate, the spring guide rod and the pressing plate limiting nut are sleeved with a protecting cover, the bottom of the protecting cover is installed on the auxiliary beam, and the protecting cover is provided with an observation overhaul hole.

Further, the supporting legs are arranged below the two sides of the main beam, the rubber foot pads are arranged at the bottoms of the supporting legs, and a plurality of anti-falling hooks are arranged on at least one side of the length direction of the main beam.

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

according to the utility model, as the adjacent electromagnet assemblies are connected by adopting the hinge, when the electromagnet assemblies are lowered onto the surface of the steel plate, the electromagnet assemblies can be adaptively deformed according to the shape of the steel plate and are perfectly attached to the surface of the steel plate, so that the attraction force of the magnet of the electromagnet assemblies to the steel plate is kept from being reduced. Therefore, the defect that the traditional magnet lifting tool cannot lift the steel plate with large deformation in the width direction is overcome, the application range of the magnetic lifting tool is wider, the safety coefficient is higher, and the lifting efficiency is higher.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic hoisting view of a magnetic steel plate hanger disclosed in the prior art;

fig. 2 is a schematic front view of a magnetic lifting appliance for steel plates according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of FIG. 3 at B;

FIG. 5 is an isometric view of a steel plate magnetic spreader disclosed in an embodiment of the present utility model;

FIG. 6 is an enlarged schematic view of FIG. 5 at A;

fig. 7 is a schematic hoisting diagram of a steel plate magnetic hoist according to an embodiment of the present utility model.

Legend description:

1. a main beam; 2. an auxiliary beam; 3. an electromagnet assembly; 4. lifting the chain assembly; 40. anti-drop pins; 41. lifting the boom; 42. a chain; 43. a buffer spring; 44. a spring pressing plate; 45. a spring guide rod; 46. a pressing plate limit nut; 47. a slip joint hole; 48. a nut anti-drop rod; 49. an anti-drop plate; 410. a nut locking sleeve; 411. a bar-shaped hole; 412. a guide rod connecting plate; 413. a radial hole; 5. a shackle assembly; 51. lifting the beam; 52. a shackle plate; 53. a shaft pin; 54. an anti-unhooking clamping plate; 6. a shield; 61. observing the manhole; 7. supporting feet; 8. a rubber foot pad; 9. a hinge; 10. an anti-drop hook.

Detailed Description

The present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the utility model, but the scope of the utility model is not limited to the specific embodiments shown.

As shown in fig. 2-7, the embodiment of the utility model discloses a steel plate magnetic lifting appliance, which comprises a main beam 1, an auxiliary beam 2, an electromagnet assembly 3 and a lifting chain assembly 4, wherein the main beam 1 and the auxiliary beam 2 are rectangular pipes, and the auxiliary beam 2 is vertically welded and fixed on the upper side surface of the main beam 1, so that the main beam 1 can better support the tensile force born by the auxiliary beam 2. The even interval installation of a plurality of auxiliary girder 2 along the length direction of girder 1 is on girder 1, and this embodiment has evenly distributed six groups, and the auxiliary girder 2 alternately sets up relative girder 1, and the one end of lifting chain subassembly 4 is articulated with auxiliary girder 2, and the other end passes through hinge 9 with electromagnet assembly 3 and articulates mutually with the adjacent electromagnet assembly 3 of auxiliary girder 2 below. Because the adjacent electromagnet assemblies 3 are connected through hinges, when the electromagnet assemblies 3 are lowered onto the surface of the steel plate, the electromagnet assemblies 3 can be adaptively deformed according to the shape of the steel plate and perfectly attached to the surface of the steel plate, and the attraction force of the magnets of the electromagnet assemblies 3 to the steel plate is kept from being reduced. Therefore, the defect that the traditional magnet lifting tool cannot lift the steel plate with large deformation in the width direction is overcome, the application range of the magnetic lifting tool is wider, the safety coefficient is higher, and the lifting efficiency is higher.

In this embodiment, in order to facilitate the cooperation of the steel plate magnetic lifting device and the workshop lifting crane, and then lift the whole steel plate magnetic lifting device, lifting lug assemblies 5 for lifting the main beam 1 are further installed on two sides of the main beam 1. Specifically, any one of the lifting lug assemblies 5 includes a lifting beam 51, a lifting lug plate 52, a shaft pin 53 and an anti-unhooking clamping plate 54, the lifting beam 51 is fixedly connected to one side of the main beam 1 (also fixed in a welding manner), the lifting lug plates 52 are welded on the lifting beam 51 at intervals, the oppositely arranged lifting lug plates 52 are connected through the shaft pin 53, and the anti-unhooking clamping plate 54 is arranged below the shaft pin 53 and is connected with the lifting lug plates 52 at two sides. When the crane is lifted, the shaft pin 53 is hooked by the lifting hook, and the unhooking prevention clamping plate 54 can play a role in preventing the lifting hook from unhooking.

In this embodiment, in order to stabilize the stress between each lifting point, ensure that the stress of each lifting point is approximately balanced, ensure the safe lifting of the magnet lifting tool to the steel plate, the lifting chain assembly 4 comprises a lifting rod 41, a chain 42 and a buffer spring 43, the buffer spring 43 adopts a die spring with larger deformation, the lifting rod 41 is vertically slidingly connected with the auxiliary beam 2, one end of the lifting rod 41 is hinged with the chain 42, the other end is connected to the upper end of the buffer spring 43, and the lower end of the buffer spring 43 is propped against the auxiliary beam 2. Specifically, the upper end and the lower end of the lifting rod 41 are provided with threads, the lower end is connected with a U-shaped fork frame in threaded mode, an upper pin of the U-shaped fork frame is connected with the chain 42 in series, the lifting chain assembly 4 further comprises a spring pressing plate 44, a spring guide rod 45, a guide rod connecting plate 412 and a pressing plate limiting nut 46, the guide rod connecting plate 412 is located above the pressing plate limiting nut 46, the spring pressing plate 44 is pressed below the pressing plate limiting nut 46, the spring guide rod 45 is arranged on two sides of the lifting rod 41 and fixedly welded with the guide rod connecting plate 412, the spring guide rod 45 penetrates through the guide rod connecting plate 412, the buffer spring 43 is sleeved on the spring guide rod 45, the spring guide rod 45 is in sliding connection with sliding holes 47 at two ends of the spring pressing plate 44, the buffer spring 43 abuts against the spring pressing plate 44, the guide rod connecting plate 412 is in sliding connection with the lifting rod 41, and the spring pressing plate 44 is connected with the pressing plate limiting nut 46 in threaded mode with the lifting rod 41. In operation, the pressing plate limiting nut 46 is pressed on the upper side surface of the spring pressing plate 44, the lower side surface of the spring pressing plate 44 is pressed on the buffer spring 43, and the lower end of the buffer spring 43 is pressed on the auxiliary beam 2. When the lifting rod 41 is stressed too much, the lifting rod 41 drives the pressing plate limiting nut 46 to move downwards, the buffer spring 43 is further compressed, and when the lifting rod 41 moves downwards, the steel plate reduces the elasticity of deformation, and the tension acting on the steel plate can be properly regulated and balanced.

In this embodiment, in order to prevent the pressing plate limiting nut 46 from moving upwards due to vibration and the like during operation and further from being separated, a radial hole 413 is formed in the end portion of the lifting rod 41, a nut anti-falling rod 48 is inserted into the radial hole 413, anti-falling plates 49 are arranged at two ends of the nut anti-falling rod 48, and the anti-falling plates 49 are limited by the anti-falling pins 40 on the nut anti-falling rod 48. Once the pressing plate limit nut 46 moves upward, it is limited by the anti-drop plate 49, and the radial direction of the anti-drop plate 49 is blocked by the anti-drop plate 49, and the anti-drop plate 49 is limited axially by the anti-drop pin 40. Further, in order to play the effect of stopping rotation to the pressing plate limiting nut 46, a nut locking sleeve 410 is fixedly connected to the upper side of the pressing plate limiting nut 46, the nut locking sleeve 410 is sleeved on the lifting rod 41, strip-shaped holes 411 used for allowing two ends of the nut locking sleeve 410 to pass through are formed in two sides of the nut locking sleeve 410, the strip-shaped holes 411 are also waist-shaped holes which are axially distributed, the width of each waist-shaped hole is slightly larger than the outer diameter of the nut locking rod 48, and the locking plates 49 are arranged on two sides of the nut locking sleeve 410. Once the pressing plate limiting nut 46 is loosened and rotated, the nut locking sleeve 410 is driven to rotate, at this time, the side wall of the strip-shaped hole 411 of the moving nut locking sleeve 410 can be ground to be checked on the nut anti-falling rod 48, and the pressing plate limiting nut 46 cannot be further rotated due to the blocking of the nut anti-falling rod 48, so that the effect of thoroughly loosening can be achieved.

In this embodiment, for the convenience of observation and maintenance, the spring pressing plate 44, the spring guide rod 45 and the pressing plate limit nut 46 are sleeved with the shield 6, and at the same time, the shield 6 can also play a role of safety protection for isolation, the bottom of the shield 6 is mounted on the auxiliary beam 2, the shield 6 is provided with an observation maintenance hole 61, the observation maintenance hole 61 is a waist-shaped hole arranged along the axial direction of the shield 6, and the bottom is fixed on the upper side surface of the main beam 1 by a screw. Meanwhile, in order to expand the lifting function of the lifting appliance, a plurality of anti-drop hooks 10 are arranged on two sides of the main beam 1 in the length direction, and when a non-steel plate structure is required to be lifted, the lifting appliance can be used for realizing the lifting appliance, so that multiple purposes of the lifting appliance are realized.

In this embodiment, in order to be convenient for the safe placement after hoist hoisting finishes, supporting legs 7 are installed to the below of girder 1 both sides, and supporting legs 7 adopts square tube or rectangular tube equally to can be with girder 1 steady rest subaerial, rubber callus on the sole 8 is installed to the bottom of supporting legs 7, thereby carries out buffer protection to placing bottom surface or hoist itself.

While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a steel sheet magnetic force hoist, its characterized in that, includes girder (1), auxiliary girder (2), electromagnet assembly (3) and lifts by crane chain assembly (4), a plurality of auxiliary girder (2) are followed the length direction interval of girder (1) is installed on girder (1), just auxiliary girder (2) are relative girder (1) alternately sets up, lift by crane chain assembly (4) one end with auxiliary girder (2) are articulated, the other end with electromagnet assembly (3) are articulated, and same auxiliary girder (2) below adjacent electromagnet assembly (3) are articulated mutually.

2. The steel plate magnetic lifting appliance according to claim 1, wherein the main beam (1) and the auxiliary beam (2) are rectangular pipes or square pipes, and the auxiliary beam (2) is vertically fixedly connected to the upper side surface of the main beam (1).

3. The steel plate magnetic lifting appliance according to claim 1, wherein lifting lug assemblies (5) for lifting the main girder (1) are also mounted on both sides of the main girder (1).

4. A steel plate magnetic lifting appliance according to claim 3, wherein any lifting lug assembly (5) comprises a lifting beam (51), lifting lug plates (52), shaft pins (53) and unhooking-preventing clamping plates (54), the lifting beam (51) is fixedly connected to one side of the main beam (1), the lifting lug plates (52) are arranged on the lifting beam (51) at intervals, the lifting lug plates (52) which are oppositely arranged are connected through the shaft pins (53), and the unhooking-preventing clamping plates (54) are arranged below the shaft pins (53) and are connected with the lifting lug plates (52) on two sides.

5. The steel plate magnetic lifting appliance according to claim 1, wherein the lifting chain assembly (4) comprises a lifting rod (41), a chain (42) and a buffer spring (43), the lifting rod (41) is vertically slidingly connected with the auxiliary beam (2), one end of the lifting rod (41) is hinged with the chain (42), the other end of the lifting rod is connected to the upper end of the buffer spring (43), and the lower end of the buffer spring (43) is abutted to the auxiliary beam (2).

6. The steel plate magnetic lifting appliance according to claim 5, wherein the lifting chain assembly (4) further comprises a spring pressing plate (44), a spring guide rod (45), a guide rod connecting plate (412) and a pressing plate limiting nut (46), the spring guide rod (45) is arranged on two sides of the lifting rod (41) and fixedly connected with the guide rod connecting plate (412), the buffer spring (43) is sleeved on the spring guide rod (45), the spring guide rod (45) is in sliding connection with sliding connection holes (47) at two ends of the spring pressing plate (44), the buffer spring (43) is abutted to the spring pressing plate (44), the spring pressing plate (44) and the guide rod connecting plate (412) are in sliding connection with the lifting rod (41), and the spring pressing plate (44) is connected with the pressing plate limiting nut (46) in threaded connection with the lifting rod (41).

7. The steel plate magnetic lifting appliance according to claim 6, wherein a radial hole (413) is formed in the end portion of the lifting rod (41), a nut anti-falling rod (48) is inserted into the radial hole (413), anti-falling plates (49) are arranged at two ends of the nut anti-falling rod (48), and the anti-falling plates (49) are limited through anti-falling pins (40) on the nut anti-falling rod (48).

8. The steel plate magnetic lifting appliance according to claim 7, wherein a nut locking sleeve (410) is fixedly connected to the upper side of the pressing plate limiting nut (46), the nut locking sleeve (410) is sleeved on the lifting rod (41), strip-shaped holes (411) used for allowing two ends of a nut locking rod (48) to penetrate through are formed in two sides of the nut locking sleeve (410), and the locking plates (49) are arranged on two sides of the nut locking sleeve (410).

9. The steel plate magnetic lifting appliance according to claim 7, wherein a shield (6) is sleeved outside the spring pressing plate (44), the spring guide rod (45) and the pressing plate limiting nut (46), the bottom of the shield (6) is mounted on the auxiliary beam (2), and the shield (6) is provided with an observation manhole (61).

10. The steel plate magnetic lifting appliance according to any one of claims 1 to 9, wherein supporting feet (7) are arranged below the main beam (1), rubber foot pads (8) are arranged at the bottoms of the supporting feet (7), and a plurality of anti-falling hooks (10) are arranged on at least one side of the main beam (1) in the length direction.