CN216426455U

CN216426455U - Lifting electromagnet

Info

Publication number: CN216426455U
Application number: CN202122611699.3U
Authority: CN
Inventors: 胡华
Original assignee: HUNAN YUECI GAOXIN TECHNOLOGY CO LTD
Current assignee: HUNAN YUECI GAOXIN TECHNOLOGY CO LTD
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-03
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a lifting electromagnet, which comprises a shell, wherein an iron core is fixed inside the shell; a coil is wound on the outer side of the iron core, an inner pole ring is arranged at the bottom of the iron core, the top end surface of the inner pole ring is lower than the bottom end surface of the coil, and an outer pole ring is arranged on the outer side of the coil; and a packing layer is fixed between the coil and the outer pole ring and is made of high-temperature-resistant flame-retardant epoxy resin. The shell and the iron core are oval and made of steel plate materials. The utility model provides a pair of lifting electromagnet, the main field that the electro-magnet produced fully magnetizes steel, produces powerful electromagnetic attraction and can guarantee safe handling steel. Through fixing fire-retardant epoxy of high temperature resistant between coil and outer utmost point circle, can make the electro-magnet high temperature resistant to avoid influencing electromagnetic attraction, avoid appearing steel when perpendicular handling and drop and cause the influence to the production operation, can also be able to bear or endure high wet and violent collision simultaneously.

Description

Lifting electromagnet

Technical Field

The utility model relates to an electro-magnet technical field, concretely relates to jack-up electro-magnet.

Background

The lifting electromagnet is widely applied to industries such as steel, machinery, wharfs, shipbuilding and the like, and is used for sucking and lifting and carrying scrap steel, steel plates, steel billets, wires, profiles and the like. The lifting electromagnet is flexible to operate, can realize the lifting of steel products under remote control, and is widely applied to the steel product lifting links of various ports and factories. However, a large amount of handling steel can make the lifting electromagnet increase that generates heat, and inside temperature risees, will influence electromagnetic attraction for a long time for the ability of handling steel is also not very ideal, and the phenomenon that drops of steel can appear when vertical handling, reduces production operating efficiency, influences production operation safety.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention is to overcome the above-mentioned defects in the prior art, thereby providing a lifting electromagnet.

For this purpose, the lifting electromagnet comprises a shell, and an iron core is fixed in the shell; a coil is encircled on the outer side of the iron core, an inner pole ring is arranged at the bottom of the iron core, the top end face of the inner pole ring is lower than the bottom end face of the coil, an outer pole ring is arranged on the outer side of the coil, a packing layer is fixed between the coil and the outer pole ring, and the packing layer is made of high-temperature-resistant flame-retardant epoxy resin; the shell and the iron core are oval and made of steel plate materials.

The electromagnet adopts an oval structure, the shell and the iron core of the electromagnet are made of high-permeability high-quality low-carbon steel, specifically, the shell of the electromagnet is welded by adopting a Q345B steel plate full-sealed steel plate, an air-tight test is strictly carried out, and a coil is wound by adopting a C-level insulated electromagnetic wire, so that the insulating property is excellent. When the electromagnet hoists steel, the main magnetic flux generated by the electromagnet forms a closed magnetic loop which sequentially passes through the coil, the inner pole ring, the steel, the outer pole ring, the shell and the coil, and the main magnetic field generated by the electromagnet fully magnetizes the steel to generate strong electromagnetic attraction force to guarantee safe hoisting of the steel. The electromagnet body adopts a full-sealed welding structure, the electromagnet insulation grade is H grade, and the electromagnet protection grade is IP 56. Through fixing fire-retardant epoxy of high temperature resistant between coil and outer utmost point circle, can make the electro-magnet heat dissipation good, high temperature resistant to avoid influencing electromagnetic attraction, avoid appearing steel when perpendicular handling and drop and cause the influence to the production operation, can also be able to bear or endure high humidity and violent collision simultaneously.

Further, the housing includes a bell, and the bell is fixed to the core by screws.

Furthermore, an outlet box and an outlet box guard plate are fixed on the bell cover, and the outlet box is used for leading out a coil.

The outlet box is used for leading out the coil, and the coil is connected with an external power supply after being led out, so that the process of electrifying the coil is realized. The outlet box guard plate is used for preventing the outlet box from being impacted.

Further, the shell also comprises a flower top, and the flower top is fixed on the clock cover.

Furthermore, the shell also comprises a bottom plate, the bottom plate is made of a non-magnetic high manganese steel plate, and reinforcing heat dissipation ribs are welded on the bottom plate.

The bottom plate is made of a non-magnetic high-strength wear-resistant rolled high-manganese steel plate, so that the impact and collision resistance can be realized, the coil is prevented from being damaged by a casting blank during long-term work, and the safety and reliability of steel hoisting by the electromagnet are ensured. The reinforced heat dissipation ribs are welded on the bottom plate, so that the impact resistance and the heat dissipation capability of the electromagnet are further improved.

Furthermore, eight lifting lugs are fixed on the flower top and are respectively connected with an external hoisting device through chains.

Eight lifting lugs are fixed on the flower top and are respectively connected with an external hoisting device through chains, and the external hoisting device controls the movement of the electromagnet after being connected with the lifting lugs through the chains.

The utility model provides a pair of lifting electromagnet, during electro-magnet handling steel, the main flux that the electro-magnet produced constitutes the closed magnetic circuit through coil, interior polar circle, steel, outer polar circle, shell, coil in proper order, and the main magnetic field that the electro-magnet produced fully magnetizes steel, produces powerful electromagnetic attraction and can guarantee safe handling steel. Through fixing fire-retardant epoxy of high temperature resistant between coil and outer utmost point circle, can make the electro-magnet high temperature resistant to avoid influencing electromagnetic attraction, avoid appearing steel when perpendicular handling and drop and cause the influence to the production operation, can also be able to bear or endure high wet and violent collision simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front cross-sectional view of a lifting electromagnet according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a side surface of a lifting electromagnet according to an embodiment of the present invention;

fig. 3 is a top view of a lifting electromagnet according to an embodiment of the present invention.

Reference numerals: 1. an iron core; 2. a coil; 3. an inner pole ring; 4. an outer pole ring; 5. a filler layer; 6. a bell cover; 7. an outlet box; 8. an outlet box guard plate; 9. flower top; 10. and (7) lifting lugs.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the present embodiment provides a lifting electromagnet, which includes a housing, wherein an iron core 1 is fixed inside the housing; a coil 2 is wound around the outer side of the iron core 1, an inner pole ring 3 is arranged at the bottom of the iron core 1, the top end face of the inner pole ring 3 is lower than the bottom end face of the coil 2, an outer pole ring 4 is arranged on the outer side of the coil 2, a packing layer 5 is fixed between the coil 2 and the outer pole ring 4, and the packing layer 5 is made of high-temperature-resistant flame-retardant epoxy resin; the shell and the iron core 1 are oval and made of steel plate materials.

In this embodiment, the electromagnet adopts an oval structure, and the housing and the iron core of the electromagnet are made of high-permeability high-quality low-carbon steel. Specifically, the shell of the electromagnet is welded by adopting a Q345B steel plate full-sealed steel plate, an air-tight test is strictly carried out, and the coil is wound by adopting a C-level insulated electromagnetic wire, so that the insulating property is excellent. When the electromagnet hoists steel, the main magnetic flux generated by the electromagnet forms a closed magnetic loop which sequentially passes through the coil, the inner pole ring, the steel, the outer pole ring, the shell and the coil, and the main magnetic field generated by the electromagnet fully magnetizes the steel to generate strong electromagnetic attraction force to guarantee safe hoisting of the steel. The electromagnet body adopts a full-sealed welding structure, the electromagnet insulation grade is H grade, and the electromagnet protection grade is IP 56. Through fixing fire-retardant epoxy of high temperature resistant between coil and outer utmost point circle, can make the electro-magnet high temperature resistant to avoid influencing electromagnetic attraction, avoid appearing steel when perpendicular handling and drop and cause the influence to the production operation, can also be able to bear or endure high humidity and violent collision simultaneously.

The housing comprises a bell 6, said bell 6 being fixed to the core 1 by means of screws. An outlet box 7 and an outlet box guard plate 8 are fixed on the bell cover 6, and the outlet box 7 is used for leading out the coil 2.

In this embodiment, the outlet box is used to lead out the coil, and the coil is connected to an external power source after being led out, so as to implement the process of energizing the coil. The outlet box guard plate is used for preventing the outlet box from being impacted.

The housing further comprises a flower top 9, the flower top 9 being fixed to the bell 6. The shell further comprises a bottom plate, the bottom plate is made of a non-magnetic high manganese steel plate, and reinforcing heat dissipation ribs are welded on the bottom plate.

In this embodiment, the bottom plate is made of a non-magnetic high-strength wear-resistant rolled high manganese steel plate, so that the impact and collision resistance can be realized, the coil is prevented from being damaged by a casting blank during long-term work, and the safety and reliability of steel hoisting by an electromagnet are ensured. The reinforced heat dissipation ribs are welded on the bottom plate, so that the impact resistance and the heat dissipation capability of the electromagnet are further improved.

Eight lifting lugs 10 are fixed on the flower top 9, and the eight lifting lugs 10 are respectively connected with an external hoisting device through chains.

In this embodiment, eight lifting lugs are fixed on the flower top, and eight lifting lugs are connected with an external hoisting device through chains respectively, and after the external hoisting device is connected with the lifting lugs through the chains, the movement of the electromagnet is controlled.

In the embodiment, in the process of assembling the electromagnet, the air tightness test is strictly carried out after welding, and the soap water is smeared on all welding seams by using the pressure test of 0.7Mpa, so that the bubbling phenomenon is avoided. After the coil is wound, a turn-to-turn insulation test is carried out, and the phenomenon of short circuit and flashover does not occur when the power frequency voltage is 550V for one minute; and when a ground withstand voltage test is carried out, the phenomena of short circuit and flashover do not occur when the power frequency voltage is 2500V for one minute, and the quality of the electromagnet is reliably ensured.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A hoisting electromagnet is characterized by comprising a shell, wherein an iron core (1) is fixed in the shell; a coil (2) is wound around the outer side of the iron core (1), an inner pole ring (3) is arranged at the bottom of the iron core (1), the top end face of the inner pole ring (3) is lower than the bottom end face of the coil (2), an outer pole ring (4) is arranged on the outer side of the coil (2), a packing layer (5) is fixed between the coil (2) and the outer pole ring (4), and the packing layer (5) is made of high-temperature-resistant flame-retardant epoxy resin; the shell and the iron core (1) are oval and made of steel plate materials.

2. A lifting electromagnet according to claim 1, characterised in that the housing comprises a bell cup (6), the bell cup (6) being fixed to the core (1) by means of screws.

3. A lifting electromagnet according to claim 2, characterised in that the bell jar (6) is fixed with an outlet box (7) and an outlet box guard (8), the outlet box (7) being used for leading out the coil (2).

4. A lifting electromagnet according to claim 2, characterised in that the housing further comprises a flower top (9), the flower top (9) being fixed to the bell (6).

5. The lifting electromagnet as recited in claim 2, wherein the housing further comprises a bottom plate, the bottom plate is made of a non-magnetic high manganese steel plate, and reinforcing heat dissipation ribs are welded on the bottom plate.

6. A lifting electromagnet as claimed in claim 4, characterised in that eight lifting lugs (10) are fixed to the flower top (9), the eight lifting lugs (10) being connected to an external lifting device by chains, respectively.