Electric permanent magnet lifting appliance

Abstract

The utility model discloses an electric permanent magnet lifting appliance, and relates to the technical field of lifting appliances. Hoisting blocks are installed at the four corners of the upper end face of the electro-permanent magnetic mechanism, an electrical shield is installed on the upper end face of the electro-permanent magnetic mechanism, an operation switch body is installed on the outer side wall of the electrical shield, and an electrical control mechanism is installed in the electrical shield and connected with the electro-permanent magnetic mechanism; the electric permanent magnetic mechanism is controlled by the electric control mechanism to magnetize so as to adsorb and separate workpieces, and the European-style lifting anchor chain is adopted, so that the lifting device has the advantages of light weight, simple and stable structure, capability of bearing heavy load and the like; a lithium battery power supply and low-voltage control unit technology is adopted, an excitation magnetic field is realized, the control unit has the characteristics of PLC control function, electric quantity display, excitation loss alarm and the like, the device can work in the field and in a marginal area without a power supply, the personal injury risk possibly caused by power failure in the hoisting process is effectively avoided, and meanwhile, the working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slings, and in particular relates to an electric permanent magnet sling. Background Art

[0002] Existing magnetic slings are divided into those used in environments with power supply and those used in environments without power supply. The magnetic slings used in environments with power supply have limited range when used, while the magnetic slings used in environments without power supply have the following problems when used:

[0003] 1. The magnetic properties of the magnetic lifter are low, and it is easy to fall during lifting, causing damage to the workpiece and injury to people.

[0004] Second, after the magnetic hanger is demagnetized, its magnetism cannot be demagnetized instantly, so that the magnetic hanger is still adsorbed on the workpiece, and its safety is low. Utility Model Content

[0005] In order to solve the problems mentioned in the above background technology, the purpose of the utility model is to provide an electric permanent magnetic hanger, which can realize rapid magnetization and demagnetization and has high stability and safety.

[0006] The utility model discloses an electric permanent magnet lifting device, comprising an electric permanent magnet mechanism, a lifting block, an electrical shield, an operating switch body and an electrical control mechanism; the lifting blocks are installed at the four corners of the upper end surface of the electric permanent magnet mechanism, the upper end surface of the electric permanent magnet mechanism is installed with the electrical shield, the outer side wall of the electrical shield is installed with the operating switch body, the interior of the electrical shield is installed with the electrical control mechanism, and the electrical control mechanism is connected with the electric permanent magnet mechanism.

[0007] Preferably, the electro-permanent magnetic mechanism comprises a permanent magnet, a magnetizable magnet, an excitation coil, a magnetic pole, and a disk housing; the magnetic pole is installed inside the disk housing, a permanent magnet is installed between several magnetic poles, a magnetizable magnet is installed at the upper end of several magnetic poles, and an excitation coil is wound around two adjacent magnetizable magnets.

[0008] Preferably, a lifting hole is provided on the lifting block.

[0009] Preferably, the electrical control mechanism includes a charging module, a charging unit, a battery, a control module, and an output port; the charging module is connected to the charging unit, the charging unit is connected to the battery, the battery is connected to the control module, and the control module is connected to the output port.

[0010] Preferably, the control module includes a MUC, an IGBT module, a bridge rectifier module, and a current detection module; the MUC is electrically connected to the IGBT module, the IGBT module is electrically connected to the bridge rectifier module, the bridge rectifier module is electrically connected to the current detection module, the current detection module is connected to the input end of the MUC, and the power supply is electrically connected to the MUC and the bridge rectifier module respectively.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The electrical control mechanism is used to control the magnetization of the permanent magnet mechanism to achieve the adsorption and detachment of the workpiece. At the same time, lithium battery power supply and low-voltage control unit technology are used to realize the excitation magnetic field. The control unit has the characteristics of PLC control function, power display, demagnetization alarm, etc.

[0013] 2. The European-style lifting anchor chain has the advantages of light weight, simple and stable structure, and ability to withstand heavy loads.

[0014] 3. It can work in the wild and in marginal areas without power supply, effectively avoiding the risk of personal injury caused by power outages during the lifting process, and at the same time can greatly improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a circuit block diagram of the electrical control mechanism in the utility model;

[0018] Figure 3 This is a circuit block diagram of the control module in the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the electric permanent magnet mechanism in the utility model;

[0020] Figure 5 It is a schematic diagram of the demagnetization structure of the electric permanent magnet mechanism in the utility model.

[0021] In the figure: 1-electro-permanent magnet mechanism; 2-hoisting block; 3-electrical shield; 4-operating switch body; 5-electrical control mechanism;

[0022] 1-1-permanent magnet; 1-2-magnetizable magnet; 1-3-excitation coil; 1-4-magnetic pole; 1-5-disk housing. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is described below by the specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in the utility model, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects that can be produced by the utility model and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme according to the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0025] like Figure 1 As shown, this specific embodiment adopts an electric permanent magnet mechanism to realize the adsorption and detachment of the workpiece, and specifically adopts the following technical scheme: comprising an electric permanent magnet mechanism 1, an electrical shield 3, an operating switch body 4, and an electrical control mechanism 5; the upper end surface of the electric permanent magnet mechanism 1 is installed with the electrical shield 3, the outer side wall of the electrical shield 3 is installed with the operating switch body 4, the interior of the electrical shield 3 is installed with the electrical control mechanism 5, and the electrical control mechanism 5 is connected to the electric permanent magnet mechanism 1; as shown Figure 2 As shown, the electrical control mechanism 5 includes a charging module, a charging unit, a battery, a control module, and an output port; the charging module is connected to the charging unit, the charging unit is connected to the battery, the battery is connected to the control module, and the control module is connected to the output port. The external power supply is charged through the charging module, the charging unit, and the battery, the battery supplies power to the control module, and the control module outputs data at the same time; Figure 3 As shown, the control module includes MUC, IGBT module, bridge rectifier module, and current detection module; MUC is electrically connected to IGBT module, IGBT module is electrically connected to bridge rectifier module, bridge rectifier module is electrically connected to current detection module, current detection module is connected to input end of MUC, and power supply is electrically connected to MUC and bridge rectifier module respectively. Figure 4As shown, the electro-permanent magnet mechanism 1 comprises a permanent magnet 1-1, a magnetizable magnet 1-2, an excitation coil 1-3, a magnetic pole 1-4, and a disk housing 1-5; the magnetic pole 1-4 is installed inside the disk housing 1-5, a permanent magnet 1-1 is installed between several magnetic poles 1-4, a magnetizable magnet 1-2 is installed on the upper end of several magnetic poles 1-4, the magnetizable magnet 1-2 cooperates with the excitation coil 1-3 to realize magnetization and demagnetization, and the excitation coil 1-3 is wound around two adjacent magnetizable magnets 1-2, wherein the magnetization type, its magnetic lines of force and the external material form a magnetic circuit ( Figure 4 The dotted lines in the middle are magnetic lines of force). When demagnetized, the magnetic lines of force form a magnetic circuit inside the permanent magnet ( Figure 5 The dashed lines are magnetic lines of force).

[0026] like Figure 1 As shown, in this specific implementation, the overall lifting is achieved through a lifting block, and the following technical scheme is specifically adopted: it includes a lifting block 2; a lifting block 2 is installed at the four corners of the upper end surface of the electropermanent magnet mechanism 1, and a lifting hole is opened on the lifting block 2. When lifting, the lifting is achieved through the lifting holes on the lifting block 2.

[0027] This specific implementation method changes the high-voltage magnetic field into a low-voltage magnetic field, so that it can be used repeatedly after one charge, which can make the application field of the electric permanent magnetic hoist more flexible, reduce people's labor intensity, and ensure people's work safety. The electric permanent magnetic hoist is convenient, fast, and safe. It can be used in outdoor and field areas without power supply. It can realize the transportation, lifting and avoidance of objects in a power-free environment, and multiple units can also be combined into a combined hoist. The electric permanent magnetic hoist can be widely used in work areas without power supply or in the field, which improves work efficiency and ensures the safety of construction personnel.

[0028] The lifting block 2 is used to lift the lifting device. During the lifting, the electro-permanent magnetic mechanism 1 is magnetized by the electrical control mechanism 5, and the workpiece is adsorbed by the electro-permanent magnetic mechanism 1. When the workpiece is lifted to the specified position by the lifting block 2, the electrical control mechanism 5 controls the electro-permanent magnetic mechanism 1 to demagnetize, and the workpiece is separated from the electro-permanent magnetic mechanism 1 (such as Figure 5 shown).

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electric permanent magnetic hanger, characterized in that: The invention comprises an electro-permanent magnet mechanism (1), a lifting block (2), an electrical shield (3), an operating switch body (4), and an electrical control mechanism (5); the lifting blocks (2) are installed at the four corners of the upper end surface of the electro-permanent magnet mechanism (1); the electrical shield (3) is installed on the upper end surface of the electro-permanent magnet mechanism (1); the operating switch body (4) is installed on the outer side wall of the electrical shield (3); the electrical control mechanism (5) is installed inside the electrical shield (3); and the electrical control mechanism (5) is connected to the electro-permanent magnet mechanism (1).

2. The electric permanent magnetic hanger according to claim 1, characterized in that: The electro-permanent magnet mechanism (1) comprises a permanent magnet (1-1), a magnetizable magnet (1-2), an excitation coil (1-3), a magnetic pole (1-4), and a disk housing (1-5); the magnetic pole (1-4) is installed inside the disk housing (1-5), the permanent magnet (1-1) is installed between a plurality of magnetic poles (1-4), the magnetizable magnet (1-2) is installed at the upper end of a plurality of magnetic poles (1-4), and the excitation coil (1-3) is wound around two adjacent magnetizable magnets (1-2).

3. The electric permanent magnetic hanger according to claim 1, characterized in that: The lifting block (2) is provided with a lifting hole.

4. The electric permanent magnetic hanger according to claim 1, characterized in that: The electrical control mechanism (5) comprises a charging module, a charging unit, a storage battery, a control module, and an output port; the charging module is connected to the charging unit, the charging unit is connected to the storage battery, the storage battery is connected to the control module, and the control module is connected to the output port.

5. The electric permanent magnetic hanger according to claim 4, characterized in that: The control module includes a MUC, an IGBT module, a bridge rectifier module, and a current detection module; the MUC is electrically connected to the IGBT module, the IGBT module is electrically connected to the bridge rectifier module, the bridge rectifier module is electrically connected to the current detection module, the current detection module is connected to the input end of the MUC, and the power supply is electrically connected to the MUC and the bridge rectifier module respectively.

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