CN105916795A - Elevator - Google Patents

Abstract

The purpose of the present invention is to provide an elevator wherein an elevator car can be raised and lowered rapidly by achieving stable brake release by way of lifting a plurality of release bolts with equal force. The present invention is an elevator comprising an electromagnetic braking device (108) that imparts a braking force to a hoisting device sheave on which a rope connecting an elevator car and a counterweight is wound and a brake releasing device (101) that releases the sheave from the braking force of the electromagnetic braking device (108), wherein the elevator is configured so that an armature (6) and wires (5A, 5B) coupled to the armature (6) in two locations form a ring, a distributing mechanism (11) that varies the length of the wire portion (5A) distributed to one coupled side of the armature (6) and the length of the wire portion (5B) distributed to the other coupled side is provided intermediately between the wires (5A, 5B), and the distributing mechanism (11) is pulled by a pulling wire (15).

Description

Elevator

Technical field

The present invention relates to have when elevator traction machine can not carry out electronic operating, release The braking of traction machine, make heavier mass in car or counterweight (counterweight) one side decline and Make the lift appliance of the brake removing device that car stops in entrance hall.

Background technology

Brake unit as elevator traction machine, it is known that Japanese Unexamined Patent Publication 2005-180626 publication Electro-magnetic braking device described in (patent documentation 1) and Japanese Unexamined Patent Application Publication 002-533283 publication Traction sheave elevator described in (patent documentation 2) is with keeping brake.

The electro-magnetic braking device of patent documentation 1 is configured to, and is built-in with solenoid being arranged in It is connected brake pad on armature between iron core with dish, arranges and armature is applied elastic force as brake force Tripping spring, when solenoid is in the braking of non-excited state (non-power status), Armature is made to dish side shifting, brake pad to be pushed dish to, at solenoid with the elastic force of tripping spring When being in the releasing braking of excited state ("on" position), make rank by the electromagnetic force of solenoid Ferrum moves to core side and makes brake pad leave dish (with reference to paragraph 0013-0018).

The traction sheave elevator of patent documentation 2 is with keeping brake (hereinafter referred to as electro-magnetic braking device) Have: by central body with surround the brake main body that the peripheral rim of this central body is constituted annularly； The movable frame installed in the inner side of brake main body；At the brake pad that the outer surface of movable frame is installed； At the ring-type electromagnet that central body is installed；And the general's braking being disposed between central body and movable frame The mechanical compression parts (with reference to paragraph 0013) that pad is pressed against on the braking surface of traction sheave.

It addition, in patent documentation 3, describing traction machine in the operating of elevator can not operate, Car, in the case of floor gap stops, manually releasing braking and makes car liter be down to the braking in entrance hall Release device.

In the brake removing device of patent documentation 3, the braking that will engage with the brake of traction machine The end of line is configured at immediately below the sill in entrance hall or entrance hall indicator box, is filled by brake release The bar operation put, from the traction interior lines, end of brake line, thus carries out brake solving division operation (with reference to specification digest).

Prior art literature

Patent documentation

Patent documentation 1: Japanese Unexamined Patent Publication 2005-180626 publication

Patent documentation 2: Japanese Unexamined Patent Application Publication 2002-533283 publication

Patent documentation 3: Japanese Unexamined Patent Publication 2004-43123 publication

Summary of the invention

The technical task that invention is to be solved

In patent documentation 3, disclose the structure of the bar side of operation brake removing device, not tool The open brake line of body and the structure connecting side of brake.

In the electro-magnetic braking device of Fig. 1 of patent documentation 1 and Fig. 1 of patent documentation 2, The central authorities of the iron core (core) of electromagnet and solenoid are provided with through hole, are configuring about There are the parts such as coil and tripping spring.In such electro-magnetic braking device, generally use following Structure: release braking bolt by 1 and be threadably inserted in the center of armature from the through hole of iron core In the screwed hole formed, release braking bolt by pull-up, armature is pulled to iron core and releases system Dynamic.When emergency, by from away from place pull and release that braking bolt is connected 1 Root brake line and release braking.

But, for the brake shape realized with require, specification is corresponding, exist coil and The parts such as spring are arranged in the more favorable situation of core center.Now be not suitable in iron core The heart is provided for release the through hole that braking bolt inserts.Then, sometimes use at iron core In empty space, about symmetrically arranging multiple through hole, by by these through holes Armature is pulled to the structure of iron core by the multiple releasing braking bolts being installed on armature.But, now, Need from away from place also realize stably with impartial strength pull-up multiple releasing braking bolt Brake release.

It is an object of the invention to provide a kind of by braking spiral shell with impartial multiple releasing of power pull-up Bolt and be capable of stable brake release, make the elevator of car fast lifting.

For solving the technical scheme of technical task

The elevator of the present invention winds the rope linked with car and counterweight on the rope sheave of traction machine, Rotated by the motor of traction machine and drive above-mentioned rope sheave to make above-mentioned car rise in lift path Fall, this elevator includes: pressed on by the brake pad being arranged on the armature of electromagnet when braking On the braking surface that rotating part is formed, and the electromagnetism of the spinning movement applying brake force to above-mentioned rope sheave Brake unit；Above-mentioned armature is made with by operating the line of the multiple positions link with above-mentioned armature Leave above-mentioned braking surface, make the braking of the brake force of the above-mentioned rope sheave above-mentioned electro-magnetic braking device of disengaging Releasing device, the above-mentioned line and the above-mentioned armature that link with multiple positions of above-mentioned armature are formed as ring Shape, is wound on the above-mentioned coil of wire on pulley, draws above-mentioned pulley with traction line.

Or, it is provided that a kind of elevator, it winds and car and to reconnecting on the rope sheave of traction machine The rope of knot, rotates with the motor of traction machine and drives above-mentioned rope sheave to make above-mentioned car in lifting Lifting in path, this elevator includes: will be arranged on the brake pad of the armature of electromagnet when braking Press on the braking surface that rotating part is formed, and the spinning movement to above-mentioned rope sheave applies braking The electro-magnetic braking device of power；Make with by operating the line of 2 positions links with above-mentioned armature Above-mentioned armature leaves above-mentioned braking surface, makes above-mentioned rope sheave depart from the braking of above-mentioned electro-magnetic braking device The brake removing device of power, the above-mentioned line linked with the 2 of above-mentioned armature positions and above-mentioned armature Being formed as ring-type, the pars intermedia at above-mentioned line is provided with distributor gear, this distributor gear make to The length of the line part of a connecting portion side distribution in the linking part at 2 positions of above-mentioned armature With the variable-length to the line part that another connecting portion side is distributed, draw above-mentioned with traction line Distributor gear.

Invention effect

In accordance with the invention it is possible to the multiple lines linked with armature with impartial power tractive, it is possible to real The most stable brake release, makes car fast lifting.

Problem other than the above, structure and effect are clear and definite by the explanation of implementation below.

Accompanying drawing explanation

Figure 1A is an enforcement of the electro-magnetic braking device 108 used in the elevator that the present invention is described The figure of example, is a part and the knot of electro-magnetic braking device 108 representing brake removing device 101 The architectural overview (top plane view) of structure.

Figure 1B is observe the brake removing device 101 represented Figure 1A from horizontal direction one Point and the architectural overview (front elevation) of structure of electro-magnetic braking device 108.

Fig. 2 A is the electro-magnetic braking device 108 and brake release used in the elevator that the present invention is described The figure of one embodiment of device 101, is to represent brake removing device 101 and electromagnetic braking dress Put the integrally-built architectural overview (top plane view) of 108.

Fig. 2 B is to observe the brake removing device 101 and electromagnetism represented Fig. 2 A from horizontal direction The integrally-built architectural overview (front elevation) of brake unit 108.

Fig. 3 is the figure of an embodiment of the traction machine used in the elevator that the present invention is described, is With partial cross section represent from side observe traction machine time side view.

Fig. 4 is the explanatory diagram of an embodiment of the elevator of the present invention, is to represent to include being equipped with The integrally-built architectural overview of the elevator 100 of the traction machine 102 of brake removing device 101.

Detailed description of the invention

The brake removing device of the present invention, from away from one brake of place manual release time, In order to balancedly armature be pulled to iron core with the multiple releasing braking bolts being fixed on armature, with all Deng power pull and release the many lines that braking bolt is connected.It is a feature of the present invention that in order to The tension force making many lines is identical, is connected annularly with armature by line, is wound on rotatable pulley On, by pulling this pulley spindle portion, adjust, in pulley side, the tension force that line is applied and release braking.

Hereinafter, an embodiment of the elevator 100 of the present invention is described based on Fig. 4.Fig. 4 is this The explanatory diagram of one embodiment of the elevator of invention, is to represent to include being equipped with brake removing device The integrally-built architectural overview of the elevator of the traction machine 102 of 101.

The elevator 100 of the present embodiment has: in the lift path 106 in being formed at building The car 103 of lifting；The counterweight 105 being connected via rope 104 with car 103；With by volume The traction machine 102 that car 103 lifts is made around rope 104.

By controlling traction machine 102 with not shown control device, car 103 is by guide rail 107 Guide and lifting lift path 106 in, the entrance hall F1 ... of each floor, Fn ..., Move between Ft.Wherein, F1 represents undermost entrance hall, and Ft represents the entrance hall of the superiors, Fn Represent the arbitrary entrance hall between orlop and the superiors.

Traction machine 102 is arranged in the top of lift path 106, and rope 104 is wound in traction On the rope sheave 102A that machine 102 is formed.Traction machine 102 is provided with composition same with rope sheave 102A The reel 102B of the rotor of the heart and when braking with the electricity of the outer peripheral face sliding contact of reel 102B Magnetic detents 108.

Being provided with at electro-magnetic braking device 108, in elevator operates, traction machine 102 can not be transported Then cause car 103 when floor gap stops, manually release braking and make car liter be down to door The brake removing device 101 (illustrating major part 101A in Fig. 4) in the Room.Brake removing device Major part 101A of 101 is fixed on guide rail 107 in the present embodiment, by inserting at outer tube Line 5 in 10 links with electro-magnetic braking device 108.It addition, with brake removing device 101 even The end of the line 15 of knot leads to the superiors Ft.

Then, for being equipped with an enforcement of the elevator hoist of electro-magnetic braking device 108 Example, illustrates based on Fig. 3.Fig. 3 is the traction machine used in the elevator that the present invention is described The figure of one embodiment, be with partial cross section represent from side observe traction machine time side view.

Traction machine 102 constitutes the driving means of elevator 100, has: electronic as power source Machine 102C；For rope sheave 102A that set up rope 104, rotated driving by motor 102C； Spinning movement to rope sheave 102A applies the electro-magnetic braking device 108 of brake force；And electromagnetic braking The brake removing device 101 of device 108.

Motor 102C is the motor of outer-rotor type, has: axle 102D；With axle 102D Axle center centered by rotate reel 102B；Inner peripheral surface at reel 102B installs fixing magnetic Body 102F；With the coil 102E configured in the periphery of axle 102D.

Axle 102D is erected the support 102G fixed bearing of setting at pedestal 102h.

Comprise axle 102D and the coil 102E configured in the periphery of axle 102D and support 102G and constitute the stator of motor 102C.

Reel 102B and magnet 102F constitutes the rotor of motor 102C, is configured to phase Axle 102D is rotated.An end face at reel 102B is fixed with one heart with reel 102B Rope sheave 102A, rope sheave 102A rotate integratedly with reel (rotor) 102B.

The outer peripheral face of reel 102B constitutes the brake pad 16 of electro-magnetic braking device 108 (with reference to figure 1A) braking surface (sliding surface) 102B1 of institute's sliding contact.It addition, electro-magnetic braking device 108 It is mounted on support 102G.

Then, to the electro-magnetic braking device used in the elevator of the present invention and brake removing device One embodiment, illustrates based on Figure 1A and Figure 1B.Figure 1A is the electricity that the present invention is described The figure of one embodiment of the electro-magnetic braking device 108 used in ladder, is to represent that brake release fills Put the architectural overview (top plane view) of the part of 101 and the structure of electro-magnetic braking device 108. Figure 1B be from horizontal direction observe Figure 1A represent brake removing device 101 a part and The architectural overview (front elevation) of the structure of electro-magnetic braking device 108.

It addition, a part for brake removing device 101 on electro-magnetic braking device 108 integratedly Constituting, major part 101A is formed with electro-magnetic braking device 108 split ground.Brake removing device 101 is the device for electro-magnetic braking device 108 carries out solving division operation, it is also possible to be considered as electromagnetism A part for brake unit 108.

The electro-magnetic braking device 108 represented in Figure 1A and Figure 1B has: by iron core 1 and coil 2 electromagnets 20 constituted；The armature 6 being oppositely disposed with the end face (magnetic pole strength) of electromagnet 20； It is arranged on the brake pad 16 of the opposition side of the side relative with electromagnet 20 of armature 6；With to rank The tripping spring 17 that ferrum 6 exerts a force to the opposition side (braking direction) of electromagnet 20 side.

Brake pad 16 is relatively joined with the braking surface 102B1 being made up of the outer peripheral face of reel 102B Put.When the braking not being energized coil 2, armature 6 is quilt because of the active force of tripping spring 17 Exerting a force to side, brake pad 16 abuts with braking surface 102B1 and carries out the braking of reel 102B. Thus, rope sheave 102A is fixed, the car 103 height and position in lift path 106 also by Fixing.

Being energized coil 2 when non-brake, electromagnet 20 attracts armature 6, brake pad 16 to leave Braking surface 102B1.Therewith, reel 102B departs from the braking of brake pad 16, it is possible to axle 102D Axle center centered by rotate.Thus, rope sheave 102A can rotate, and car 103 can be in lifting Lifting in path 106.

Then, to the brake removing device 101 formed on electro-magnetic braking device 108 Divide and illustrate.

A part for brake removing device 101 includes: the releasing braking bolt 3A of tractive armature 6, 3B；Releasing braking bolt 3A, 3B are fixed on nut 7A, 7B of armature 6；Make with releasing Dynamic bolt 3A, 3B engage and bar 8A, 8B of tractive releasing braking bolt 3A, 3B respectively； Engage with the end of outer tube 10A, 10B by inserting wired 5A, 5B the most wherein and fix Fastener 18 in electromagnet 20.Wherein, line 5A and 5B is made up of 1 line.

In the present embodiment, in electromagnet 20, the central part at iron core 1 is configured with coil 2, Can not the central part of iron core 1 be provided for arranging tractive armature 6 releasing braking bolt 3A, Through hole 4A, 4B of 3B.Then, across being configured with the region of coil 2 at the two of iron core 1 End is provided with for arranging the through hole 4 releasing braking bolt 3A, 3B.

Bar 8A, 8B are arranged on the end of the opposition side of the end face relative with armature 6 of electromagnet 20 Face (back side) side.Length direction at bar 8A, 8B (will release braking bolt 3A and 3B The direction linked) on, connect respectively at end 8A1,8B1 of the central part side being positioned at iron core 1 It is knotted line 5A, 5B.It addition, be positioned at end 8A2,8B2 of the end side of iron core 1 by propping up Point 9A, 9B are connected with electromagnet 20.According to said structure, bar 8A, 8B are configured to Respectively with in its longitudinal direction release braking bolt 3A, 3B outside arrange fulcrum 9A, Axle centered by 9B, is rotated up in the side shown in arrow 8CA, 8CB.That is, bar 8A, 8B In, from the state shown in Figure 1B, it is positioned at end 8A1,8B1 of the central part side of iron core 1 (electromagnetism can be left to the direction higher than end 8A2,8B2 of the end side being positioned at iron core 1 The direction of body 20) rotate.

In order to from away from place (such as outside lift path 106) manual release brake (electricity Magnetic detents 108), need to utilize line 5A, 5B and outer tube 10A, 10B to carry out tractive and release Braking bolt 3A, 3B.Release braking bolt 3A, 3B and insert (screwed) at armature 6 In the screwed hole arranged, be adjusted to the state that do not contacts with bar 8A, 8B and by fixing nut 7A, 7B fix.Become by bar 8A, 8B it addition, release braking bolt 3A, 3B and prop up The state that some 9A, 9B are connected with line 5.As drag wire 5A, 5B, bar 8A, 8B are to prop up Point 9A, 9B centered by rotate as shown in arrow 8CA, 8CB, with release braking bolt 3A, The part of 3B engaging is moved upward.Because of the action of bar 8A, 8B, release braking bolt 3A, 3B is also by tractive upward.Thus armature 6 is pulled to iron core 1, is installed on the braking of armature 6 Pad 16 leaves braking surface 102B1.

Herein, if releasing braking bolt 3A, 3B for left and right exert a force the most equably, Armature 6 is pulled to the amount of iron core 1 by releasing braking bolt 3A, the 3B about then can produce inequality. Consequently, it can happen completely iron core 1 can not be pulled to armature 6, it is impossible to enough carry out electromagnetic braking The situation of the brake release of device 108.Then in the present embodiment, in order to releasing braking bolt 3A, 3B exert a force equably, use the pulley 11 represented in Fig. 2 A and Fig. 2 B.

Then, to brake removing device 101, describe in detail based on Fig. 2 A and Fig. 2 B.Fig. 2 A It is the electro-magnetic braking device 108 and brake removing device 101 used in the elevator that the present invention is described The figure of an embodiment, represent brake removing device 101 and electro-magnetic braking device 108 Integrally-built architectural overview (top plane view).Fig. 2 B is to observe Fig. 2 A from horizontal direction The brake removing device 101 represented and the integrally-built architectural overview of electro-magnetic braking device 108 Figure (front elevation).

In Fig. 2 A and Fig. 2 B, illustrate such as electro-magnetic braking device 108, brake release dress Put 101 and the traction machine 102 embodiment when being arranged on the inside of lift path 106.Braking solves Except major part 101A of device 101 includes line 5A, 5B and outer tube 10A, 10B, pulley 11, bracket 12A, 12B, line 15, pole 14 and installing component 19.Wherein, as it has been described above, Line 5A and 5B is made up of 1 line, the both ends of 1 line being wound on pulley 11 respectively with Bar 8A, 8B connect.

The outer tube 10 that one end is engaged by the fastener 18 of electro-magnetic braking device 108 is logical by lifting Bracket 12A, 12B in road 106 engages and fixes.Bracket 12A, 12B are by being fixed on peace Dress parts 19, the equipment being fixed in lift path via installing component 19 or works are (such as Guide rail 107).Line 5A, 5B are made up of 1 line, and one end links with bar 8A, 8B respectively, It is wound on pulley 11 by outer tube 10.Constitute line 5A, 5B 1 line via bar 8A, 8B, releasing braking bolt 3A, 3B, armature 6 link annularly.Pulley 11 is with rotatable State is installed on pole 14, it is possible to make the tension force of line 5A, 5B become impartial.Pole 14 with One end has center of rotation (center of rotation) 14A and can be in the plane inward turning shown in Fig. 2 B The state turning (rotation) is installed on installing component 19, links wired 15 at the other end 14B. As shown in Figure 4, the end of line 15 outside being drawn out to lift path 106 (in the present embodiment is The superiors Ft).By from the outside pulls wire 15 of lift path 106, pulley 11 is pulled to draw Play bar 8A, 8B, release braking.Line 15 constitutes the traction line in the axle portion of hauling block 11.

According to said structure, in the brake removing device of the present embodiment, with 2 portions of armature 6 Line 5A, 5B and armature 6 that position links are formed as ring-type, and the pars intermedia of online 5A, 5B is arranged Distributor gear 11, this distributor gear 11 makes the line portion with a connecting portion side distribution of armature 6 Divide the length of 5A and the variable-length of line part 5B to the distribution of another connecting portion side, with leading Quote line 15 and draw distributor gear 11.

According to above structure, during pulls wire 15, pole 14 is fallen in the plane shown in Fig. 2 B To the left, pulley 11 is made to move to the left.Thereby, it is possible to via pulley 11, make line 5A, The tension force of 5B carries out tractive equably.As a result, in electro-magnetic braking device 108 side, it is possible to via The power tractive that bar 8A, 8B are impartial releases braking bolt 3A, 3B, it is possible to armature 6 Balancedly pull to iron core 1.Release thereby, it is possible to implement stable hand brake.

It is logical that electro-magnetic braking device 108, brake removing device 101 and traction machine 102 are arranged on lifting During road 106 outside, installing component 19 is fixed on the works of the building beyond guide rail ?.

In the present embodiment, constitute line 5A and 5B with 1 line so that it is both ends and armature 6 2 positions link but it also may arrange many groups such line 5A, 5B for armature 6.

According to the present embodiment, the through hole that formed at iron core to release braking bolt and in rank There is not restriction, main system in the configuration of the screwed hole releasing braking bolt that ferrum is arranged The configuration degree of freedom of dynamic component (such as coil and spring) is high, it is possible to realizes and requires, specification Corresponding brake shape.

It addition, the present invention is not limited to the various embodiments described above, also include various variation.Such as, Above-described embodiment for ease of understanding illustrates that the present invention describes in detail, is not limited to Must have all structures.It addition, a part for the structure for embodiment, it is possible to add, Delete, replace other structures.

Description of reference numerals

1 ... iron core, 2 ... coil, 3A, 3B ... release braking bolt, 4A, 4B ... Through hole, 5A, 5B ... line, 6 ... armature, 7A, 7B ... fixing nut, 8A, 8B ... Bar, 9A, 9B ... fulcrum, 10A, 10B ... outer tube, 11 ... pulley, 12A, 12B ... Bracket, 13 ... track, 14 ... pole, 15 ... line, 16 ... brake pad, 17 ... Tripping spring, 18 ... the fastener of outer tube, 19 ... bracket and the installing component of pole, 20 ... electromagnet, 100 ... elevator, 101 ... brake removing device, 101A ... braking Release the major part of device, 102 ... traction machine, 102A ... rope sheave, 102B ... volume Cylinder, 102B1 ... braking surface (sliding surface), 102C ... motor, 102D ... axle, 102E ... coil, 102F ... magnet, 102G ... support, 102h ... pedestal, 103 ... car, 104 ... rope, 105 ... counterweight, 106 ... lift path, 107 ... Guide rail, 108 ... electro-magnetic braking device.

Claims (5)

1. an elevator, it winds the rope linked with car and counterweight on the rope sheave of traction machine, Rotated by the motor of traction machine and drive described rope sheave to make described car rise in lift path Fall, this elevator is characterised by:

Including: when braking, the brake pad being arranged on the armature of electromagnet is pressed at rotating part On the braking surface formed, and the electromagnetic braking dress of the spinning movement applying brake force to described rope sheave Put；Described armature is made to leave institute with by operating the line of the multiple positions link with described armature State braking surface, make the brake release dress of the brake force of the described rope sheave described electro-magnetic braking device of disengaging Put,

The described line and the described armature that link with multiple positions of described armature are formed as ring-type, will The described coil of wire is wound on pulley, draws described pulley with traction line.

2. elevator as claimed in claim 1, it is characterised in that:

Described line is made up of 1 line, and its both ends link with 2 positions of described armature.

3. elevator as claimed in claim 2, it is characterised in that:

There are 2 bars that one end links with described armature rotationally, described traction line Both ends link with the other end of described 2 bars respectively.

4. an elevator, it winds the rope linked with car and counterweight on the rope sheave of traction machine, Rotate with the motor of traction machine and drive described rope sheave to make described car rise in lift path Fall, this elevator is characterised by:

Including: when braking, the brake pad being arranged on the armature of electromagnet is pressed at rotating part On the braking surface formed, and the electromagnetic braking dress of the spinning movement applying brake force to described rope sheave Put；Described armature is made to leave institute with by operating the line of 2 positions links with described armature State braking surface, make the brake release dress of the brake force of the described rope sheave described electro-magnetic braking device of disengaging Put,

The described line and the described armature that link with the 2 of described armature positions are formed as ring-type, The pars intermedia of described line is provided with distributor gear, and this distributor gear makes 2 with described armature The length of the line part of the connecting portion side distribution in the linking part at position and another is connected The variable-length of the line part of side, portion distribution, draws described distributor gear with traction line.

5. elevator as claimed in claim 4, it is characterised in that:

Described distributor gear is made up of pulley.