Double push hub magnet
A double-push hub-type, magnetic device technology, applied in the direction of magnets, electromagnets, magnetic objects, etc., can solve the problems of debris blockage, blockage, etc., and achieve the goals of reducing magnetic field leakage, prolonging service life, and optimizing coaxiality Effect
Active Publication Date: 2017-05-10
HITACHI ELEVATOR GUANGZHOU
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Problems solved by technology
[0005] Based on this, in order to solve the above-mentioned problem that the moving core wears and produces debris, which leads to blockage and blockage, the present invention proposes a double-push hub type magnet
Method used
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Embodiment Construction
[0029] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0030] Such as Figure 1 to Figure 3As shown, a double-push hub type magnet includes a cylindrical housing 200, outer end caps 100 installed at both ends of the housing 200, and a cylindrical support seat 500 installed in the middle of the housing 200, The annular magnetic conducting ring 400 connected to both sides of the support base 500 respectively, the magnetic conducting ring 400 and the intermediate support base 500 are combined to form a middle connecting body, between the magnetic conducting ring 400 on both sides of the housing 200 and the outer end cover 100 An electromagnetic coil 300 is installed and connected respectively. The inner side of each outer end cap 100 is provided with a boss (not shown in the figure), and the outer wall of the boss is in contact with the inner wall of the electromagnetic coil 300 for supporting and fixing the...
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The invention discloses a double-push hub type magnetic device which comprises a cylindrical casing, outer end covers, a cylindrical supporting seat, magnetic guiding rings, electromagnetic coils and two mandrels, wherein the outer end covers are respectively arranged at two ends of the casing; the cylindrical supporting seat is arranged at the middle of the casing; the magnetic guiding rings are respectively connected to two sides of the supporting seat; the electromagnetic coils are connected between the magnetic guiding rings and the outer end covers; the two mandrels are arranged in the casing and are symmetrically arranged on two sides of the middle supporting seat; each mandrel comprises a mandrel inner end, a mandrel outer end and a cylindrical moving core body; each mandrel inner end is arranged on the middle supporting seat in a penetrating manner; each mandrel outer end is arranged on the outer end cover on one side of the casing in the penetrating manner; each cylindrical moving core body is fixedly arranged between the mandrel inner end and the mandrel outer end of each mandrel; clearances are respectively formed between each moving core body and the corresponding outer end cover as well as between each moving core body and the supporting seat in the axial direction; clearances are respectively formed between each moving core body and the corresponding electromagnetic coil as well as between each moving core body and the corresponding magnetic guiding ring in the circumferential direction. By designing a dual supporting structure with the mandrel inner ends and the mandrel outer ends, the service life of a brake is prolonged; the moving core bodies are separated from the magnetic guiding rings, the electromagnetic coils and the like, so that the phenomenon that the brake cannot be opened or internally contracts due to the fact that dregs are stacked to retard the motion of moving cores is avoided.
Description
technical field [0001] The invention relates to the technical field of elevator traction machine brakes, in particular to a double-push hub type magnet. Background technique [0002] The double-push electromagnet used in the hub brake of the elevator traction machine has a structure that the shell is connected with the shell. The housing is equipped with an electromagnetic coil and a moving core, and the end of the housing is connected with an end cover. The outer mandrel of the moving core is supported in the core hole of the end cover, and a cylindrical release lever with a flat inner end is inserted on the connecting body. The outer end of the brake release lever is connected to the handle. When the elevator is being maintained or the brake cannot be opened, turn the brake release handle to make the brake release lever rotate, relying on the stem edge on the flat end of the brake release lever to push the inner end of the moving core, that is The two moving cores can be ...
Claims
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IPC IPC(8): H01F7/06H01F7/123B66D5/30
Inventor 郑光远胡穗军范阳舟张放许忠荣
Owner HITACHI ELEVATOR GUANGZHOU