CN101006531A

CN101006531A - Electromagnet device for elevator

Info

Publication number: CN101006531A
Application number: CNA2005800278266A
Authority: CN
Inventors: 中岛秀树; 鱼住尚功; 山中宏志
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2005-04-20
Filing date: 2005-04-20
Publication date: 2007-07-25
Also published as: EP1873793A4; JPWO2006114869A1; EP1873793A1; WO2006114869A1

Abstract

An electromagnetic coil body has a winding frame and an electromagnetic coil provided on the winding frame. The electromagnetic coil body is installed on a field by a coil installation member. The coil installation member is engaged with the winding frame and fixed to the field, fixing the electromagnetic coil body to the field. The construction facilitates installation of the electromagnetic coil body on the field and makes the installation more reliable.

Description

The electromagnet device of elevator

Technical field

The present invention relates to be arranged at the electromagnet device of the elevator on for example motor or the brake apparatus etc. on the traction machine that is installed in elevator.

Background technology

In the prior art, between solenoid and housing (shell), inject mold materials such as varnish or resin, thereby solenoid is fixed on the housing.Mold material solidifies by heating after being injected between solenoid and the housing.Solenoid is fixed on (with reference to patent documentation 1) on the housing by the curing of mold material.

[patent documentation 1] Japanese kokai publication hei 11-136911 communique

But, before beginning is fixed on solenoid operation on the housing, need carry out the operation of following complexity: host and curing agent are mixed the operation of making mold material, the operation of carrying out weight management etc.And the coefficient of linear expansion of solenoid or housing and the coefficient of linear expansion of mold material are different, so because variations in temperature might produce the crack on mold material, or mold material is peeled off from housing.

Summary of the invention

The present invention proposes in order to solve problem as described above, and its purpose is to provide the electromagnet device that can easily make and can be installed to solenoid the elevator on the fixed iron core (field) more reliably.

The electromagnet device of elevator of the present invention possesses: solenoid body, and it has bobbin and the solenoid that is arranged on the bobbin; The fixed iron core of solenoid body is installed; And the coil installing component, it is by engaging with bobbin and be fixed on the fixed iron core, thereby solenoid body is installed on the fixed iron core.

Description of drawings

Fig. 1 is the stereogram of calutron of the elevator of expression embodiments of the present invention 1.

Fig. 2 is the stereogram of the bobbin of presentation graphs 1.

Fig. 3 is the jut of presentation graphs 1 and the front view of screw.

Fig. 4 is the profile along the IV-IV line of Fig. 3.

Embodiment

Below, with reference to description of drawings preferred implementation of the present invention.

(execution mode 1)

Fig. 1 is the stereogram of calutron of the elevator of expression embodiments of the present invention 1.In the drawings, the brake apparatus that is installed on the traction machine of elevator has: rotary body (not shown), and the rotating shaft of itself and traction machine rotates integratedly; Movable member (not shown), by with it by being pressed on the rotary body, the rotation of rotary body is braked; Spring (not shown), its with movable member by being pressed on the rotary body; And calutron 1, its active force that overcomes spring makes movable member leave from rotary body.

Movable member is configured between calutron 1 and the rotary body.Calutron 1 produces electromagnetic attraction by energising.When the energising to calutron 1 stopped, movable member was pressed against on the rotary body by the active force of spring, and when when calutron 1 is switched on, movable member is attracted to calutron 1 side, and the active force that overcomes spring leaves from rotary body.

Calutron 1 has: a plurality of tabular fixed iron cores 2 that are made of magnetics such as for example iron; And the solenoid body 3 that is separately positioned on the ring-type (endless) on each fixed iron core 2.The thickness direction that each fixed iron core 2 is configured to fixed iron core 2 is vertical with the direction of movable member displacement.Each fixed iron core 2 with the opposed part of movable member on, dispose the recess (coil is provided with portion) 5 of solenoid body 3 along thickness direction being provided with of fixed iron core 2.In recess 5, be provided with excitation core (iron core portion) 6 by the inboard of solenoid body 3.Excitation core 6 is outstanding from the bottom of recess 5.

Solenoid body 3 has bobbin (bobbin) 7 of ring-type and the solenoid 8 of ring-type, and this solenoid 8 is arranged on the peripheral part of bobbin 7 and surrounds bobbin 7.Bobbin 7 is configured in the recess 5, makes that the thickness direction of the short transverse of excitation core 6 and bobbin 7 is consistent with each other.Bobbin 7 and solenoid 8 become one mutually.

Herein, Fig. 2 is the stereogram of the bobbin 7 of presentation graphs 1.As shown in Figure 2, bobbin 7 has: opposed 9,10 of a pair of ring-type, and it is opposed mutually on the thickness direction of bobbin 7; The connecting portion 11 of ring-type, it extends along each opposed 9,10 interior perimembranous, connects between each opposed 9,10; And a plurality of juts 12, its peripheral part from opposed 9 of a side is outstanding to the rightabout of opposed 10 side of the opposing party.Each jut 12 is provided with through hole 13.On bobbin 7,, be provided with along the slot part 14 of the circumferential extension of bobbin 7 by each opposed 9,10 and connecting portion 11.And bobbin 7 is the resin-molded components that are made of resin.

Bobbin 7 is configured in the recess 5, makes opposed 9 of a side compare the bottom side that is positioned at recess 5 with opposed 10 of the opposing party.The part that one side is opposed 9 is extended along the boundary line of the bottom surface of the side of fixed iron core 2 and recess 5.Each jut 12 is given prominence to the side along fixed iron core 2 from opposed 9.

Solenoid 8 is configured in the slot part 14.And solenoid 8 is by constituting along slot part 14 coiling self-binding enamel wire on bobbin 7.Herein, so-called self-binding enamel wire is meant the line that is coated with the adhesive linkage that melts by heating on the surface of enamelled wire (forming with varnish in burning on the conductor).And solenoid 8 is made by following method: by switch on to the caking layer to self-binding enamel wire, make between each enamelled wire heat bonding and make its curing.

Solenoid body 3 is installed (maintenance) on fixed iron core 2 by a plurality of screws (coil installing component) 15 by through hole 13.Fig. 3 is the jut 12 of presentation graphs 1 and the front view of screw 15.And Fig. 4 is the profile along the IV-IV line of Fig. 3.In the drawings, in the side of fixed iron core 2, be provided with a plurality of screw holes 16.Each screw hole 16 is along on the direction of the boundary line of the side of the bottom surface of recess 5 and fixed iron core 2, is configured on the position identical with the through hole 13 of each jut 12.

Each screw 15 has: head 17, and its external diameter is bigger than the internal diameter of through hole 13; And bar-shaped screw part 18, it 17 is given prominence to from the head, is screwed in the screw hole 16 by through hole 13.Screw part 18 passes through through hole 13, thereby each jut 12 is engaged with screw 15.And owing to screw part 18 is screwed in the screw hole 16, thereby each screw 15 is fixed on the fixed iron core 2.

That is, a plurality of screws 15 that engage with jut 12 by through hole 13 are screwed in the screw hole 16 and are fixed on the fixed iron core 2, thereby solenoid body 3 is installed on the fixed iron core 2.In addition, in this embodiment, screw 15 is the bolt of band hexagon ring.And, between bobbin 7 and the excitation core 6, between the bottom surface of bobbin 7 and recess 5, between screw 15 and the through hole 13 and have bonding agent 19 between screw 15 and the screw hole 16.

Next, the manufacture method of solenoid body 3 is described.At first, bobbin 7 is arranged on the reel winder.After this, make reel winder action, with predetermined tension force and the predetermined revolution self-binding enamel wire of on bobbin 7, reeling.After this, unload the bobbin 7 of the self-binding enamel wire of having reeled, carry out energising to self-binding enamel wire from reel winder.Thus, the fusing of the adhesive linkage on the surface of self-binding enamel wire, self-binding enamel wire is heat bonding each other.After this, stop energising, the adhesive linkage of fusing is solidified, make solenoid body 3.

Next, step when being installed to solenoid body 3 on the fixed iron core 2 is described.At first, on the border of the bottom of excitation core 6 and recess 5, slather bonding agent 19.After this, in recess 5, insert solenoid body 3.At this moment, excitation core 6 is inserted in the inboard of solenoid body 3, and between the bottom surface and excitation core 6 of bobbin 7 and recess 5, bonding agent 19 extends.

After this, inject bonding agent 19 in each screw hole 16 and in each through hole 13.After this, screw 15 is screwed in each screw hole 16 trip bolt 15 by each through hole 13.Thus, solenoid body 3 is installed on the fixed iron core 2.

In such calutron 1, the screw 15 that engages with bobbin 7 is fixed on the fixed iron core 2, thereby solenoid body 3 has been installed on fixed iron core 2, even so for example causing under the situation that produces skew between solenoid body 3 and the fixed iron core 2 because of variations in temperature etc., engaging by screw 15 and bobbin 7, can prevent that also solenoid body 3 from coming off from fixed iron core 2, solenoid body 3 can be installed on the fixed iron core 2 more reliably.And, do not need as prior art, to carry out the making and the management of mold material, the screw 15 that only needs to engage with bobbin 7 is fixed on the fixed iron core 2, so can easily solenoid body 3 be installed on the fixed iron core 2, can easily make calutron 1.

And, thereby screw 15 engages with bobbin 7 by through hole 13, and be screwed in the screw hole 16, thereby be fixed on the fixed iron core 2, thus screw 15 is engaged with bobbin 7, and can easily be fixed on the fixed iron core 2.

And,,, can more easily carry out on fixed iron core 2, installing the operation of solenoid body 3 so can make the position of through hole 13 be positioned at the position that screw 15 is easy to insert because bobbin 7 has the jut 12 that is provided with through hole 13.

And, there is bonding agent 19 between screw 15 and the through hole 13 and between bobbin 7 and the fixed iron core 2, get loose so can prevent the screw 15 that creep (creep) phenomenon of bobbin 7 causes.Particularly when bobbin 7 was made of resin, the distortion that creep causes was remarkable, becomes fine so prevent the effect that screw 15 gets loose.

And, because bobbin 7 is made of resin, so can be cheap and easily make solenoid body 3.

And,,, can easily carry out the making of solenoid body 3 so do not need to use mold material to fix solenoid 8 owing to constitute solenoid 8 by coiling self-binding enamel wire on bobbin 7.

And, be wound between the self-binding enamel wire on the bobbin 7 and carry out heat bonding, so can make solenoid body 3 more easily only by energising fixes solenoid 8 to self-binding enamel wire by the heat that produces because of energising.

In addition, in above-mentioned example, to be screwed on by the screw 15 of through hole 13 in the screw hole 16, thereby solenoid body 3 is installed on the fixed iron core 2, but also can pin-and-hole be set in the side of fixed iron core 2, in pin-and-hole, hammer into pin (coil installing component), thereby solenoid body 3 is installed on the fixed iron core 2 by through hole 13.Even like this, also can on fixed iron core 2, fix the pin that engages with bobbin 7, solenoid body 3 can be installed on fixed iron core 2 reliably.

And, in above-mentioned example, thereby constitute solenoid 8, but the common enamelled wire of also can reeling is made solenoid on bobbin 7 by coiling self-binding enamel wire on bobbin 7.The insulating tape that also can be used at this moment, electic protection and mechanical protection at the periphery coiling of enamelled wire.

And, in above-mentioned example, all there is bonding agent 19 between screw 15 and the through hole 13 and between bobbin 7 and the fixed iron core 2, but also can only between screw 15 and through hole 13 and among the either party between bobbin 7 and the fixed iron core 2, having bonding agent 19.Even like this, also can prevent getting loose of screw 15 that the creep of bobbin 7 causes.

And, in above-mentioned example, on the brake apparatus that is installed on the traction machine, used the present invention, but also can on the motor of traction machine, use the present invention.That is, in motor, also can use the present invention being used to make on the rotor rotational stator.

Claims

1. the calutron of an elevator is characterized in that, the calutron of described elevator possesses:

Solenoid body, it has bobbin and the solenoid that is arranged on the described bobbin;

The fixed iron core of described solenoid body is installed; And

The coil installing component, it is by engaging with described bobbin and be fixed on the described fixed iron core, thereby described solenoid body is installed on the described fixed iron core.

2. the calutron of elevator according to claim 1 is characterized in that,

Above-mentioned coil installing component is a screw,

Above-mentioned bobbin is provided with the through hole that above-mentioned screw passes through,

On the said fixing iron core, be provided with the screw hole that above-mentioned screw screws togather,

Above-mentioned screw engages with above-mentioned bobbin by above-mentioned through hole, thereby is fixed on the said fixing iron core by being screwed in the above-mentioned screw hole.

3. the calutron of elevator according to claim 2 is characterized in that, above-mentioned bobbin has jut, and above-mentioned through hole is located on the above-mentioned jut.

4. according to the calutron of claim 2 or 3 described elevators, it is characterized in that, between above-mentioned screw and above-mentioned through hole and among the either party at least between above-mentioned bobbin and the said fixing iron core, have bonding agent.

5. according to the calutron of each described elevator in the claim 1 to 4, it is characterized in that above-mentioned bobbin is made of resin.

6. according to the electromagnet device of each described elevator in the claim 1 to 5, it is characterized in that above-mentioned solenoid constitutes by coiling self-binding enamel wire on above-mentioned bobbin.

7. the electromagnet device of elevator according to claim 6 is characterized in that, is wound on the heat heat bonding by producing because of energising between the above-mentioned self-binding enamel wire on the above-mentioned bobbin.