CN101112955A - Elevator emergency nraking device and elevator - Google Patents

Elevator emergency nraking device and elevator Download PDF

Info

Publication number
CN101112955A
CN101112955A CN 200710136743 CN200710136743A CN101112955A CN 101112955 A CN101112955 A CN 101112955A CN 200710136743 CN200710136743 CN 200710136743 CN 200710136743 A CN200710136743 A CN 200710136743A CN 101112955 A CN101112955 A CN 101112955A
Authority
CN
China
Prior art keywords
mentioned
voussoir
rake
emergency braking
braking apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 200710136743
Other languages
Chinese (zh)
Other versions
CN101112955B (en
Inventor
馆山胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Elevator and Building Systems Corp
Original Assignee
Toshiba Elevator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Elevator Co Ltd filed Critical Toshiba Elevator Co Ltd
Publication of CN101112955A publication Critical patent/CN101112955A/en
Application granted granted Critical
Publication of CN101112955B publication Critical patent/CN101112955B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

An emergency brake device (10) comprises a wedge (11), a wedge seat (12) and a rotator (13). The orbit (3) of an elevator locates between a couple of wedges (11). An inclined part (112) sets on the other side of the wedge (11) relative to the orbit (3), the top of the inclined part forms inclined to the direction of clipping on the orbit (3). A guide combining part (113) extending horizontally relative to the inclined part locates on a side of the wedge (11) relative to the inclined part (112). The wedge seat (12) is arranged with a support part (121) and a guide keep part (122). The support part (121) sets parallel to the inclined part (112), the guide keep part (122) extends towards the orbit (3) from the support part (121) to the position over the guide combining part (112). A plurality of rotors are prepared, and set between the wedge (11) and the wedge seat (12).

Description

The emergency braking apparatus of elevator, elevator
The cross reference of related application
The application requires the preceence of the 2006-205163 Japanese patent application submitted on July 27th, 2006, here they all is incorporated herein by reference.
Technical field
The present invention relates to a kind of elevator that is equipped in the car or the emergency braking apparatus on the bob-weight of elevator and possesses this device.
Background technology
According to the regulation of Japanese architecture basic taper method, the car of elevator must be equipped emergency braking apparatus, and this emergency braking apparatus works, makes car to stop in cab under with situation about descending than predefined fireballing speed.Emergency braking apparatus is disposed at the below of car mostly.Emergency braking apparatus shown in No. 3611537 specification sheets of Japanese Patent, possess clip guide rail be symmetry a pair of, as the voussoir of drg with as the voussoir bearing of its guides.Between voussoir and voussoir bearing, rotational engagement has and has linked a plurality of rollers.
Sidepiece at the voussoir bearing is equipped with guide plate, so that make its two ends along this roller of direction clamping of crosscut roller central axis.This guide plate extends to the voussoir side, the voussoir that guiding moves with respect to the voussoir bearing.
Bottom at car also is provided with guide piece, is used for car is led along guide rail.Because therefore the weight of the car during emergency braking apparatus must be supported to move when work need have the enough rigidity corresponding to needs, and need be installed on the car with enough intensity.To this,,, therefore do not need the intensity of emergency braking apparatus degree so that make the car that in elevating road, moves in the vertical direction not to the horizontal direction swing because guide piece just leads.
Guide piece and emergency braking apparatus are respectively equipped 1 group respectively to same guide rail, that is to say up and down and row arrangement.Because when configuration emergency braking apparatus below guide piece, the load that is applied to emergency braking apparatus also acts on guide piece, so guide piece needs intensity correspondingly.Its result is, the reason that the weight that becomes guide piece increases and the total weight of car increases.Therefore, emergency braking apparatus is configured in the cage side of guide piece top mostly.
In addition, the weight of car itself is few more, just can take many more passengers with the winch of same size.Therefore, even the preferably less weight that also will alleviate car.Because emergency braking apparatus is worked under the situation that waits, only limiting of working under the situation that car descends with the speed faster than setting speed, so expect lightweight.
But the voussoir of emergency braking apparatus is in order to obtain and the weight of car and the corresponding enough sliding resistances of running velocity, nature to determine and guide rail between the minimum value of area of contact.Therefore, be difficult to make the emergency braking apparatus lightweight by the oad or the related with it peripheral components size that reduce voussoir.
And, when guide piece is configured in than emergency braking apparatus when the below, from the position of the center of gravity of car to the distance growth of guide piece and track position contacting.At this moment, when having applied the horizontal direction load of earthquake etc. on the guide piece, to being in the emergency braking apparatus effect moment of flexure between car and the guide piece.Therefore, emergency braking apparatus is being used for also must possessing the rigidity for the moment of flexure that applies from guide piece more than the performance braking intensity of force.
Summary of the invention
The invention provides a kind of emergency braking apparatus, keep required enough oads and braking force and realize lightweight.
The invention provides a kind of elevator, this elevator possesses keeps required enough oads and braking force and realization weight-saving emergency braking apparatus.
Emergency braking apparatus of the present invention possesses voussoir, voussoir bearing and rotor.Voussoir will therebetween dispose a pair of along the railway clamp that the elevating road of elevator is laid.This voussoir has rake in the part with respect to the track opposition side.The top of rake is formed slopely to the direction of clamping track.And this voussoir possesses the guiding joint portion that extends in parallel with respect to rake on the side vertical with respect to rake.The voussoir bearing possesses support sector and guiding maintaining part.Support sector is provided with abreast with respect to rake.The guiding maintaining part is extended towards track to the position of crossing the guiding joint portion from support sector.Rotor is prepared a plurality of, is configured between voussoir and the voussoir bearing.
In this case, voussoir has recess, is formed on the rake than the diameter of rotor shallowly, and rotor rotates with the bottom surface of recess and contacts.And, preferably, sliding feet portion is formed on any one of rake or support sector the state that this sliding feet portion maintenance is buried a rotor part underground.And the voussoir bearing has the protuberance in the recess that enters rake in support sector.
Perhaps, voussoir has recess and sliding feet portion.Recess is formed on the rake than the diameter of rotor shallowly.Sliding feet portion is that the center connects formation at the Width of this voussoir with the position more than the radius that enters rotor from rake, and its part is exposed to recess.And the voussoir bearing has the protuberance in the recess that enters rake in support sector.
Perhaps, voussoir has recess, and this recess is formed on the rake than the diameter of rotor shallowly.And the voussoir bearing has protuberance and sliding feet portion.Protuberance is formed in the support sector and enters in the recess.Sliding feet portion connects formation at the Width of voussoir bearing, and its part is exposed to protuberance.
Perhaps, the voussoir bearing has from the guiding maintaining part guide finger outstanding towards the voussoir side.This guide finger and guiding joint portion combination are led voussoir to the direction along rake.Voussoir has from the side towards the outstanding stop pin of guiding maintaining part.Stop pin is arranged on downwards when voussoir is mobile along rake and on the position of guide finger butt.
And preferably, in order to limit the intensity of gripper rail by voussoir, voussoir has fixing (anchor) portion when butt when rake is moved upward and below the voussoir bearing.
Elevator of the present invention possesses pair of tracks, car, underbeam, emergency braking apparatus and guide piece.Track vertically is laid in the elevating road.Car is configured between the pair of tracks.Underbeam is installed along the bottom across the direction between the pair of tracks along car.Emergency braking apparatus is configured in by the diapire of underbeam and the inboard of side walls enclose.Guide piece is installed in the downside of the diapire of underbeam, and car is led along track.And this emergency braking apparatus possesses voussoir, voussoir bearing, rotor, elastomeric element, piece (block) and bolt.
Voussoir therebetween disposes railway clamp a pair of.This voussoir has recess in the part with respect to the track opposition side.The upper side of recess is formed with to the direction bevelled rake of clamping track.And voussoir has the guiding joint portion that extends in parallel with rake on the side vertical with rake.The voussoir bearing has support sector and guiding maintaining part.Support sector and rake are provided with abreast.The guiding maintaining part is extended towards track to the position of crossing the guiding joint portion from support sector.Rotor is disposed between voussoir and the voussoir bearing.
Elastomeric element is along clamping the outside application of force of the direction of track from the voussoir bearing.Piece is supported elastomeric element along the direction of clamping track from the outside.The power that applies of bolt opposing elastomeric element is fixed on the voussoir bearing on the certain position of piece.
According to emergency braking apparatus of the present invention, the voussoir bearing possesses the guiding maintaining part of extending towards track to the position of crossing the guiding joint portion from support sector, and forms as one.Therefore,, only make the rigidity of voussoir bearing improve the amount that the guiding maintaining part is extended, therefore can reduce the size of voussoir bearing in the direction of clamping track with respect to the flexure stress that is applied to the voussoir bearing along the direction of clamping track.Therefore, can make the emergency braking apparatus lightweight, and be related to the miniaturization of the underbeam inboard that is used to be assembled in car.
And,,, can not make the bending stiffness of voussoir significantly reduce the thickness of voussoir along the direction of clamping track according to the invention that the recess more shallow than the diameter of rotor is set at rake with descending.And, being formed on the invention on any one of rake or support sector according to the sliding feet portion that a rotor part will be buried underground, a plurality of rotors interval each other remains necessarily.
And, according to the invention that on voussoir, has sliding feet portion, do not need the structure that is used for the location of rotor and prevents to come off, this sliding feet portion is that the center connects formation at the Width of voussoir with the position that enters from rake more than the rotor radius, and makes its part be exposed to the recess of voussoir.And the formation of sliding feet portion is simpler, and marked down the manufacturing.In addition, has the invention that recess and voussoir bearing have protuberance and sliding feet portion according to voussoir at rake, do not need the structure that is used for the location of rotor and prevents to come off, described protuberance is formed in the support sector, and described sliding feet portion connects and its part is exposed to protuberance at the Width of voussoir bearing.And the formation of sliding feet portion is simpler, makes marked downly.
According to the invention that guide finger is arranged on the guiding joint portion, voussoir is retained stable status on the voussoir bearing.And according to the invention that stop pin is arranged on the voussoir, because stop pin is fixed on the guide finger, so voussoir is retained and drops to the state of below.And,, therefore, under the situation of emergency braking apparatus work, set the drag friction power that acts between track and the voussoir easily because voussoir possesses fixed part.
According to elevator of the present invention, emergency braking apparatus is assembled in the inboard of the underbeam of car, and guide piece is installed in the downside of the diapire of underbeam.Because the load that car is imported from guide piece to the horizontal direction swing is applied on the underbeam, does not pass to emergency braking apparatus.Owing to do not consider that the external force that is applied to emergency braking apparatus gets final product, therefore can make the emergency braking apparatus lightweight.
Other advantages of the present invention will be listed in the following description, and a part also is conspicuous according to declaratives, perhaps can learn by implementing the present invention.Means that advantage of the present invention can provide by means of following mask body and array mode realize and obtain.
Description of drawings
Accompanying drawing is the part of specification sheets, enumerates specific embodiments of the invention, and, describe in detail with summary description that provides above and specific embodiment given below, illustrate principle of the present invention.
Fig. 1 is the lateral plan of the elevator of the modal representation emergency braking apparatus that possesses the 1st embodiment of the present invention.
Fig. 2 is the block diagram of emergency braking apparatus shown in Figure 1.
Fig. 3 is the exploded perspective view of emergency braking apparatus shown in Figure 2.
Fig. 4 is the voussoir and the voussoir bearing section drawing vertically of emergency braking apparatus shown in Figure 2.
Fig. 5 is the voussoir shown in Figure 4 and the section drawing of voussoir bearing along continuous straight runs.
Fig. 6 is a front elevation of seeing voussoir shown in Fig. 4 and voussoir bearing from rail side.
Fig. 7 is the block diagram of the state of emergency braking apparatus work shown in Figure 2.
Fig. 8 is the voussoir and the voussoir bearing section drawing vertically of the emergency braking apparatus of the 2nd embodiment of the present invention.
Fig. 9 is the voussoir shown in Figure 8 and the section drawing of voussoir bearing along continuous straight runs.
Figure 10 is the voussoir and the voussoir bearing section drawing vertically of the emergency braking apparatus of the 3rd embodiment of the present invention.
Figure 11 is the section drawing of the along continuous straight runs of voussoir shown in Figure 10 and voussoir bearing.
The specific embodiment
Referring to figs. 1 through Fig. 7 the elevator 1 of the emergency braking apparatus that possesses the 1st embodiment of the present invention is described.Elevator 1 shown in Figure 1 possesses in elevating road 2 track 3 vertically laid, by car 4, governor (governor) 5, main rope 6, winch 7, bob-weight 8, guide piece 9 and the emergency braking apparatus 10 of these track 3 guiding.Governor 5 and emergency braking apparatus 10 are a kind of safety devices, are used for preventing car 4 with the operation of the speed more than the setting speed, and car 4 safety are stopped.
The top of car 4 is fixed with an end of main rope 6, and it is suspended in the elevating road 2.Main rope 6 volume hangs on the winch 7 on the top that is configured in elevating road 2, via and the deflector pulley 72 of row arrangement on the other end, suspend in midair bob-weight 8 arranged.Bob-weight 8 moves to the direction opposite with car 4 in elevating road 2 with track 30 along hammer.
Governor 5 possesses governor sheave 51,51a, governor rope 52, governor switch 53, ratchet 54, energy disperser (pad) 55, connecting rod mechanism 56 and lifting arm 57.Governor sheave 51 is configured in top and the bottom as the elevating road 2 at the two ends of the moving range of car 4 respectively.Governor rope 52 volume is hung on governor sheave 51,51a, and via the connecting rod mechanism 56 and the lifting arm 57 in the outside that is installed in car 4, is attached on the emergency braking apparatus 10.
Car 4 is along having underbeam 41 in the bottom across the direction between the pair of tracks 3.As its part of representing among Fig. 2, underbeam 41 is to make the hat steel of flange 411 towards the counter-rotating posture of top.Emergency braking apparatus 10 is configured in the inboard that is surrounded by the diapire 412 of underbeam 41 and sidewall 413.As shown in Figure 1, emergency braking apparatus 10 corresponds respectively to the track 3 in the configuration of the both sides of car 4, and respectively is provided with 1.Guide piece 9 is installed in the downside of the diapire 412 of underbeam 41, and car 4 is led along track 3.
Like this, emergency braking apparatus 10 is installed in the inboard of underbeam 41, and guide piece 9 is installed in the downside of the diapire 412 of underbeam 41.Therefore, the load that along continuous straight runs acts on car 4 is delivered to underbeam 41 from guide piece 9, does not transmit to emergency braking apparatus 10.Therefore, 10 of emergency braking apparatus have the intensity of bearing the load that applies when self works and get final product.
As shown in Figure 2, to constitute with track 3 be the left-right symmetric at center to emergency braking apparatus 10.As shown in Figure 3, this emergency braking apparatus 10 possesses voussoir 11, voussoir bearing 12, rotor 13, belleville spring 14, piece 15, bolt 16, guide rod 17, guide finger 18, stop pin 19 and union lever 20.The lower end of lifting arm 57 is attached on the lower end of voussoir 11.As shown in Figure 2, union lever 20 and the direction of clamping track 3 connect the coincidence part of piece 15 and the end of underbeam 41 abreast.Screw togather nut 21 by the end at the union lever of giving prominence to from the sidewall 413 of underbeam 41 20, emergency braking apparatus 10 is fixed on the underbeam 41.
Voussoir 11 is configured to track 3 is sandwiched in therebetween a pair of, and as shown in Figure 4, in the side towards track 3 brake shoe 111 is installed.On the part of the opposition side of a side relative, has rake 112 with track 3.Rake 112 is that upper side is to the direction bevelled state of clamping track 3.And as shown in Figure 5, voussoir 11 has the guiding joint portion 113 of extending abreast with respect to rake 112 on the side vertical with rake 112.In the present embodiment, this guiding joint portion 113 has differential with respect to the width of brake shoe 111, and is set to big width.Guiding joint portion 113 also can replace being arranged to differential for groove or the raised line that forms abreast with rake 112 on the side.Voussoir 11 has the recess 114 more shallow than the diameter of rotor 13 on rake 112.
As shown in Figure 2, voussoir bearing 12 is a pair of in the configuration of the more lateral of the voussoir 11 of clamping the configuration of track 3 ground.As shown in Figure 4, voussoir bearing 12 has support sector 121 and guiding maintaining part 122.Support sector 121 and rake 112 are relative and disposed abreast.Guiding maintaining part 122 extends to the position of crossing guiding joint portion 113 from support sector 121 towards track 3.As Fig. 4 and shown in Figure 6, on the lower end and pars intermedia of guiding maintaining part 122, guide finger 18 is installed into the state of giving prominence to towards voussoir 11 on Width.As shown in Figure 5, combine with guiding joint portion 113 from the outstanding to the inside guide finger 18 of guiding maintaining part 122.
As shown in Figure 2, rotor 13 disposes a plurality of between voussoir 11 and voussoir bearing 12.As shown in Figure 5, rotor 13 rotates and contacts respectively the bottom surface and the support sector 121 of recess 114.Though not shown, the rotor 13 that is accommodated between identical voussoir 11 and the voussoir bearing 12 keeps certain interval by retainer each other.
As shown in Figure 4, voussoir 11 has the stop pin 19 that broad ways connects on top.As shown in Figure 6, when voussoir 11 when support sector 121 descends, this stop pin 19 and guide finger 18 butts, and voussoir 11 remained on this state.The side of voussoir 11 also can have the protuberance that combines with guide finger 18, replaces stop pin 19.And voussoir 11 has fixed part 115 in the bottom, this fixed part 115 when support sector 121 moves up below guiding maintaining part 122 butt.
Belleville spring 14 is examples of elastomeric element, as shown in Figures 2 and 3, constitutes the state of superimposed multi-disc, and is configured in along clamping the direction of track 3 from the position of the outside application of force of voussoir bearing 12.In the present embodiment, belleville spring 14 is listed as in vertical direction and the row arrangement 2 that track 3 extends each voussoir bearing 12.As shown in Figures 3 and 4, voussoir bearing 12 is formed with the recess 123 of these belleville spring 14 movable fits on the part of supporting belleville spring 14.And the guide rod 17 of the central part by belleville spring 14 connects pieces 15, and inserts and lead in the way of voussoir bearing 12.
As shown in Figure 2, piece 15 has the notch 151 that track 3 passes through and the housing department 152 of assembling voussoir 11 or voussoir bearing 12.As shown in Figure 4, the voussoir bearing 12 between the recess 123 is provided with tapped bore 124, and the bolt 16 that passes through from the outside of piece 15 along the direction of clamping track 3 is installed.Bolt 16 will be with respect to track 3 for the voussoir 11 of readiness for action be adjusted to suitable distance, simultaneously to the additional in advance suitable pressure of belleville spring 14.
As above the emergency braking apparatus 10 of Gou Chenging is, the guiding maintaining part 122 of voussoir bearing 12 extends to the position of the guiding joint portion 113 of crossing voussoir 11 towards track 3.That is to say that the rigidity of voussoir bearing 12 improves the amount that guiding maintaining part 122 is extended along the direction towards track 3.Therefore, can reduce the size of voussoir bearing 12 in the direction of clamping track 3.
And the rake 112 of voussoir 11 is provided with recess 114.Thus, for the direction of clamping track 3, can not make the volume of the bending stiffness decline ground minimizing voussoir 11 of voussoir 11.And, can reduce emergency braking apparatus 10 and be of a size of, rotor 13 enters the amount in this recess 114.Thereby, can make emergency braking apparatus 10 small-sized and lightness.
Below, to the action of the car 4 of the elevator 1 of the emergency braking apparatus 10 that possesses above-mentioned formation, describe with reference to Fig. 1, Fig. 2 and Fig. 7 with the safety device during operation more than the predefined speed.When car 4 moves, governor rope 52 related rotations thereupon.When the moving velocity of car 4 was accelerated, the rotating speed of governor sheave 51,51a also increased.Be assembled with on governor sheave 51 by the hammer along the centripetal direction application of force, it is centrifugal along with rotating speed.
When mobile, centrifugal hammer knocks the governor switch 53 in the configuration of the periphery of governor sheave 51 more than car 4 is with predefined speed.Governor switch 53 is connected in series on the supply unit of winch 7, cuts off the electric power of winch 7 is supplied with.Constituting of winch 7, when electric power supply is cut off, built-in drg work.Thus, car 4 is decelerated, and just stops soon.
Emergency braking apparatus 10 is a kind of safety devices, and it is set to, and is stopped but under the situation that car 4 still moves at winch 7, even for example when main rope 6 disconnects, car 4 is stopped.When the rotating speed of governor sheave 51 after governor switch 53 work also increased, the hammer of governor sheave 51 was further centrifugal, blocked ratchet 54 with governor sheave 51 coaxial settings with the pawl of hammer interlock.Thus, when ratchet 54 rotated with governor sheave 51, by the bar that links with ratchet 54, pad 55 was pressed against on the governor sheave 51.Governor sheave 51 and ratchet 54 just stop after the position that turns to pad 55 and governor sheave 51 butts a little.
Governor rope 52 is pressed against on the governor sheave 51 by pad 55 and stops.When mobile the stopping of governor rope 52, by the connecting rod mechanism 56 that governor rope 52 is linked, lifting arm 57 with respect to car 4 by pull-ups relatively.When lifting arm 57 was pulled up, the voussoir 11 of the emergency braking apparatus 10 that the lower end links moved along the support sector 121 of voussoir bearing 12.Its result is that the brake shoe 111 of voussoir 11 is pressed against on the track 3.
As shown in Figure 7, voussoir 11 further is moved upward along track 3 by the friction force of 111 pairs of tracks 3 of brake shoe, and with the direction expansion of voussoir bearing 12 to deorbit 3.Voussoir 11 moves below fixed part 115 butt voussoir bearings 12.Be affixed to voussoir 11 with the belleville spring 14 proportional pressing force of flat amount that is crushed.The braking force that friction force by brake shoe 111 produces can be set as the power that applies that belleville spring 14 produces under the state below the fixed part 115 butt voussoir bearings 12.Like this, emergency braking apparatus 10 is by the friction force of brake shoe 111, makes car 4 safety slow down and stop.
With reference to Fig. 8 and Fig. 9 the emergency braking apparatus 10A of the 2nd embodiment of the present invention is described.The voussoir 11 of the emergency braking apparatus 10A of the 2nd embodiment and the shape of voussoir bearing 12 are different with the 1st embodiment.Because other structure is identical with the emergency braking apparatus 10 of the 1st embodiment, so the structure with identical function shown in the figure is given identical symbol and omitted its explanation.And, Fig. 8 and shown in Figure 9 outside structure with reference to the accompanying drawing and the explanation thereof of reference in the 1st embodiment.
As shown in Figure 8, voussoir 11 has sliding feet portion 116, the state that its maintenance is buried the part of rotor 13 underground on rake 112.This sliding feet portion 116 has the internal diameter of rotor 13 in the degree of slides within.The Width ground that sliding feet portion 116 connects voussoir 11 forms.On the center of sliding feet portion 116 is set at and enters position more than the radius of rotor 13 from rake 112.
And voussoir 11 shown in Figure 9 has recess 114 on rake 112, and the part of sliding feet portion 116 is exposed to this recess 114.Rotor 13 inserts along the Width of voussoir 11.As shown in Figure 8, the center of sliding feet portion 116 enters the inside of voussoir 11, and than the inside of recess 114 by voussoir 11.That is to say that the both side ends of rotor 13 is surrounded by integral body.Therefore, rotor 13 can not come off from the direction of voussoir 11 to deorbit 3.
As shown in Figure 9, voussoir bearing 12 has protuberance 125 in support sector 121, and this protuberance 125 enters in the recess 114 of rake 112.This protuberance 125 and rotor 13 rotational engagement that are exposed to sliding feet portion 116.The guiding maintaining part 122 of voussoir bearing 12 is blocked in sliding feet portion 116 ends of the lateral opening of voussoir 11.Therefore, rotor 13 can not come off from voussoir 11 to the direction along the center yet.
And, even because not only voussoir 11 moves, rotor 13 interval does not each other change yet, nor exist rotor 13 from rotating the situation of coming out between voussoir 11 and the voussoir bearing 12, therefore do not need retainer.
With reference to Figure 10 and Figure 11 the emergency braking apparatus 10B of the 3rd embodiment of the present invention is described.The voussoir 11 of the emergency braking apparatus 10B of the 3rd embodiment and the shape of voussoir bearing 12 are different with emergency braking apparatus 10, the 10A of the 1st and the 2nd embodiment.Other structure is owing to identical with the emergency braking apparatus 10 of the 1st embodiment, so the structure with identical function shown in the figure is given identical symbol and omitted its explanation.Figure 10 and shown in Figure 11 outside structure with reference to the accompanying drawing and the explanation thereof of reference in the 1st embodiment.
Figure 10 and voussoir 11 shown in Figure 11 have recess 114 on rake 112.Voussoir bearing 12 possesses protuberance 125 and sliding feet portion 126.Protuberance 125 is formed in the support sector 121 with the form that enters in the recess 114.And sliding feet portion 126 is as the hole of the Width that connects voussoir bearing 12, and a part is exposed to protuberance 125 ground and is set up.
Rotor 13 is shorter than the width of recess 114.Rotor 13 inserts from the end in the sliding feet portion 126 of the side mouth of voussoir bearing 12, and is positioned substantial middle.When this state lower wedge block 11 is incorporated into voussoir bearing 12, recess 114 is chimeric with protuberance 125.Thus, rotor 13 remains between the recess 114, can not come off from sliding feet portion 126 at Width.And, lean on voussoir bearing 12 sides because the center of sliding feet portion 126 enters into than protuberance 125, so rotor 13 can not break away to track 3 sides.
Can the direction of extending towards rake 112 be set in the upper end of recess 114 and expand the introduction part of opening, so that before emergency braking apparatus 10B work, be in not the locational rotor 13 with voussoir 11 rotational engagement, when emergency braking apparatus 10B works, led in order by the recess 114 of voussoir 11.In addition, in each embodiment,,, therefore can reduce the size of emergency braking apparatus, and can obtain enough effects in the direction of clamping track 3 because voussoir bearing 12 has said structure even recess 114 is not set on voussoir 11.
And in each embodiment, rotor 13 uses roller.The direction that rotor 13 extends along rake 112 leads voussoir 11 smoothly with respect to voussoir bearing 12 and gets final product.Therefore, both can be spherical rotor, can be again the bigger abacus bead shape of diameter of central portion.When using the rotor of spherical or abacus bead shape, recess both can be provided with 2 row along rake, also can only in central authorities 1 row be set.If use spherical rotor and be configured to 1 row,, also can absorb brake shoe 111 in the production tolerance with respect to the deviation of track 3 in horizontal surface even then track 3 twists.
And, in the respective embodiments described above, be the emergency braking apparatus of prerequisite explanation with the situation that is installed in the car bottom, also can be installed on the bob-weight and use.
To those skilled in the art, other advantages and modification are easy to expect.Therefore, the present invention is not limited to the detail and the representative embodiment that provide and describe with regard to its broad aspect.Therefore, under the prerequisite of total inventive concept spirit that does not depart from the definition of claims and equivalent thereof or protection domain, can make various modifications.

Claims (10)

1. an emergency braking apparatus is characterized by, and possesses:
Voussoir (11), to be sandwiched in along the track (3) that the elevating road (2) of elevator (1) is laid dispose therebetween a pair of, on part, have top to the direction bevelled rake (112) of clamping above-mentioned track (3), on the side vertical, have the guiding joint portion (113) of extending abreast with respect to above-mentioned rake (112) with respect to above-mentioned rake (112) with respect to above-mentioned track (3) opposition side;
Voussoir bearing (12) has support sector (121) that is provided with abreast with respect to above-mentioned rake (112) and the guiding maintaining part (122) of extending towards above-mentioned track (3) to the position of crossing above-mentioned guiding joint portion (113) from this support sector (121); And
A plurality of rotors (13) are configured between above-mentioned voussoir (11) and the above-mentioned voussoir bearing (12).
2. emergency braking apparatus according to claim 1 is characterized by:
Above-mentioned voussoir (11) has recess (114), and it is last and more shallow than the diameter of above-mentioned rotor (13) that this recess (114) is formed on above-mentioned rake (112),
Above-mentioned rotor (13) rotates and joins with the bottom surface of above-mentioned recess (114).
3. emergency braking apparatus according to claim 1 is characterized by:
On any one of above-mentioned rake (112) and above-mentioned support sector (121), be formed with sliding feet portion (126), the state that this sliding feet portion (126) keeps making the part of above-mentioned rotor (13) to bury underground.
4. emergency braking apparatus according to claim 3 is characterized by:
Above-mentioned voussoir bearing (12) has the protuberance (125) in the above-mentioned recess (114) that enters above-mentioned rake (112) in above-mentioned support sector (121).
5. emergency braking apparatus according to claim 1 is characterized by:
Above-mentioned voussoir (11) has: recess (114), and it is last and more shallow than the diameter of above-mentioned rotor (13) to be formed on above-mentioned rake (112); With sliding feet portion (126), be the center with the position more than the radius that enters above-mentioned rotor (13) from above-mentioned rake (112), the Width ground that connects this voussoir (11) forms, and its part is exposed to above-mentioned recess (114);
Above-mentioned voussoir bearing (12) has the protuberance (125) in the above-mentioned recess (114) that enters above-mentioned rake (112) in above-mentioned support sector (121).
6. emergency braking apparatus according to claim 1 is characterized by:
Above-mentioned voussoir (11) has recess (114), and it is last and more shallow than the diameter of above-mentioned rotor (13) that this recess (114) is formed on above-mentioned rake (112),
Above-mentioned voussoir bearing (12) has: protuberance (125) is formed in the above-mentioned support sector (121), and enters in the above-mentioned recess (114); With sliding feet portion (126), the Width ground that connects this voussoir bearing (12) forms, and its part is exposed to raised part (125).
7. emergency braking apparatus according to claim 1 is characterized by:
Above-mentioned voussoir bearing (12) has guide finger (18), and this guide finger (18) is outstanding towards the side of above-mentioned voussoir (11) from above-mentioned guiding maintaining part (122),
This guide finger (18) combines with above-mentioned guiding joint portion (113), and above-mentioned voussoir (11) is led to the direction along above-mentioned rake (112).
8. emergency braking apparatus according to claim 7 is characterized by:
Above-mentioned voussoir (11) has the stop pin of giving prominence to towards above-mentioned guiding maintaining part (122) from the side (19),
When above-mentioned voussoir (11) is mobile downwards along above-mentioned rake (112), this stop pin (19) and above-mentioned guide finger (18) butt.
9. emergency braking apparatus according to claim 1 is characterized by:
Above-mentioned voussoir (11) has fixed part (115), when above-mentioned voussoir (11) along above-mentioned rake (112) when being moved upward, the following butt of this fixed part (115) and above-mentioned voussoir bearing (12).
10. an elevator is characterized by, and possesses:
Pair of tracks (3) is vertically laid in elevating road (2);
Car (4) is configured between this pair of tracks (3);
Underbeam (41) is installed in the bottom along above-mentioned car (4) on the direction between a pair of above-mentioned track (3);
Emergency braking apparatus (10) is configured in by the diapire (412) of above-mentioned underbeam (41) and the inboard of sidewall (413) encirclement; And
Guide piece (9) is installed in the downside of the diapire (412) of above-mentioned underbeam (41), and above-mentioned car (4) is led along above-mentioned track (3);
Above-mentioned emergency braking apparatus (10) possesses:
Voussoir (11), with above-mentioned track (3) be sandwiched in dispose therebetween a pair of, and on part, have the rake (112) that top is formed obliquely to the direction of clamping above-mentioned track (3) with respect to above-mentioned track (3) opposition side, on the side vertical, have the guiding joint portion (113) of extending abreast with respect to above-mentioned rake (112) with respect to above-mentioned rake (112);
Voussoir bearing (12) has support sector (121) that is provided with abreast with respect to above-mentioned rake (112) and the guiding maintaining part (122) of extending towards above-mentioned track (3) to the position of crossing above-mentioned guiding joint portion (113) from this support sector (121);
A plurality of rotors (13) are configured between above-mentioned voussoir (11) and the above-mentioned voussoir bearing (12);
Elastomeric element (14) is along clamping the outside application of force of the direction of above-mentioned track (3) from above-mentioned voussoir bearing (12);
Piece (15) is supported above-mentioned elastomeric element (14) along the direction of clamping above-mentioned track (3) from the outside; And
Bolt (16), the power that applies of resisting above-mentioned elastomeric element (14) is fixed on from above-mentioned (15) above-mentioned voussoir bearing (12) on certain position.
CN 200710136743 2006-07-27 2007-07-27 Elevator emergency braking device and elevator Expired - Fee Related CN101112955B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP205163/2006 2006-07-27
JP2006205163A JP2008030884A (en) 2006-07-27 2006-07-27 Emergency stop device for elevator

Publications (2)

Publication Number Publication Date
CN101112955A true CN101112955A (en) 2008-01-30
CN101112955B CN101112955B (en) 2010-06-02

Family

ID=39021516

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200710136743 Expired - Fee Related CN101112955B (en) 2006-07-27 2007-07-27 Elevator emergency braking device and elevator

Country Status (2)

Country Link
JP (1) JP2008030884A (en)
CN (1) CN101112955B (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101927928A (en) * 2009-06-17 2010-12-29 株式会社日立制作所 Brake device of elevator
CN102701042A (en) * 2012-06-21 2012-10-03 中国矿业大学 Fall-preventing brake sliding carriage and fall-preventing brake method for hoist bucket of vertical shaft
CN102701040A (en) * 2012-06-21 2012-10-03 中国矿业大学 Constant brake force anti-falling catching device and constant brake force anti-falling catching method for rigid cage guide of mine
CN103224176A (en) * 2012-01-26 2013-07-31 株式会社日立制作所 An emergency braking device used for an elevator and an elevator
CN103274274A (en) * 2013-04-09 2013-09-04 康力电梯股份有限公司 Safety tongs
CN103303763A (en) * 2012-03-13 2013-09-18 株式会社东芝 Stopping device and elevator with the same
CN103663037A (en) * 2013-12-16 2014-03-26 河北东方富达机械有限公司 Two-way brake safety tongs
CN106044605A (en) * 2016-06-07 2016-10-26 苏州博量电梯科技有限公司 Elevator braking device and elevator braking method
CN106185528A (en) * 2014-09-25 2016-12-07 株式会社日立制作所 The emergency braking device of elevator
TWI614204B (en) * 2016-07-25 2018-02-11 Zhang Cai Da Instantaneous brake protection device for unintended displacement of elevator
CN108127471A (en) * 2017-12-21 2018-06-08 重庆臣凿科技有限公司 A kind of milling machine auxiliary device
WO2019210789A1 (en) * 2018-05-02 2019-11-07 陕西小溪机电科技有限公司 Safety braking system for car guide rail of dragging elevator
WO2019210788A1 (en) * 2018-05-02 2019-11-07 陕西小溪机电科技有限公司 Brake system for car guide rail of traction elevator, and detection method thereof
CN111498636A (en) * 2015-09-12 2020-08-07 奥的斯电梯公司 Elevator overspeed governor
CN111712455A (en) * 2018-03-13 2020-09-25 株式会社日立制作所 Emergency stop device and elevator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2630171T3 (en) * 2011-10-07 2017-08-18 Otis Elevator Company Elevator braking system
JP2015009981A (en) * 2013-07-02 2015-01-19 株式会社日立製作所 Elevator
CN113896072B (en) * 2021-09-10 2023-02-14 伟龙意程智能科技(江苏)有限公司 Safety tongs that wedge block type braking element constitutes for elevator
CN114524215B (en) * 2022-03-22 2024-01-16 深圳市旭日东自动化设备工程有限公司 Anti-falling speed-limiting clamping and holding integrated safety tongs for intelligent storage cargo carrying platform of power battery

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101927928B (en) * 2009-06-17 2013-04-10 株式会社日立制作所 Braking device of elevator
CN101927928A (en) * 2009-06-17 2010-12-29 株式会社日立制作所 Brake device of elevator
CN103224176A (en) * 2012-01-26 2013-07-31 株式会社日立制作所 An emergency braking device used for an elevator and an elevator
CN103303763A (en) * 2012-03-13 2013-09-18 株式会社东芝 Stopping device and elevator with the same
CN103303763B (en) * 2012-03-13 2015-11-18 株式会社东芝 Shutdown feature and the elevator with shutdown feature
CN102701042A (en) * 2012-06-21 2012-10-03 中国矿业大学 Fall-preventing brake sliding carriage and fall-preventing brake method for hoist bucket of vertical shaft
CN102701040A (en) * 2012-06-21 2012-10-03 中国矿业大学 Constant brake force anti-falling catching device and constant brake force anti-falling catching method for rigid cage guide of mine
CN102701040B (en) * 2012-06-21 2014-11-19 中国矿业大学 Constant brake force anti-falling catching device and constant brake force anti-falling catching method for rigid cage guide of mine
CN103274274A (en) * 2013-04-09 2013-09-04 康力电梯股份有限公司 Safety tongs
CN103663037A (en) * 2013-12-16 2014-03-26 河北东方富达机械有限公司 Two-way brake safety tongs
CN106185528A (en) * 2014-09-25 2016-12-07 株式会社日立制作所 The emergency braking device of elevator
CN111498636A (en) * 2015-09-12 2020-08-07 奥的斯电梯公司 Elevator overspeed governor
CN106044605A (en) * 2016-06-07 2016-10-26 苏州博量电梯科技有限公司 Elevator braking device and elevator braking method
CN106044605B (en) * 2016-06-07 2018-11-06 苏州博量电梯科技有限公司 Brake device for elevator and method
TWI614204B (en) * 2016-07-25 2018-02-11 Zhang Cai Da Instantaneous brake protection device for unintended displacement of elevator
CN108127471A (en) * 2017-12-21 2018-06-08 重庆臣凿科技有限公司 A kind of milling machine auxiliary device
CN108127471B (en) * 2017-12-21 2019-07-30 重庆臣凿科技有限公司 A kind of milling machine auxiliary device
CN111712455A (en) * 2018-03-13 2020-09-25 株式会社日立制作所 Emergency stop device and elevator
CN111712455B (en) * 2018-03-13 2022-03-11 株式会社日立制作所 Emergency stop device and elevator
WO2019210789A1 (en) * 2018-05-02 2019-11-07 陕西小溪机电科技有限公司 Safety braking system for car guide rail of dragging elevator
WO2019210788A1 (en) * 2018-05-02 2019-11-07 陕西小溪机电科技有限公司 Brake system for car guide rail of traction elevator, and detection method thereof

Also Published As

Publication number Publication date
CN101112955B (en) 2010-06-02
JP2008030884A (en) 2008-02-14

Similar Documents

Publication Publication Date Title
CN101112955B (en) Elevator emergency braking device and elevator
CN103459291B (en) Elevator device
CN104507842A (en) Emergency stop device for elevator
CN101643164A (en) Elevator system
CN206336878U (en) A kind of lift car stopping device
CN204488768U (en) A kind of railless free-wheeled vehicle transport stall protection system arrester wires device
CN102040141B (en) Rope-free lifting machine using lifting force as brake drive force
CN202379552U (en) Elevator safety protection device
CN1789102B (en) Elevator overspeed protecting device
CN105253755A (en) Novel double-counterweight elevator
CN101357727B (en) Elevator cage fixture mechanism
CN102963796A (en) Elevator safety protection device
CN2883285Y (en) Loading table anti-falling device of lifter
CN104843587A (en) Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism
CN104334489A (en) Elevator device and method for assembling guide rail for same
EP1942071B1 (en) Flotation means for the correct wedging of a safety device for life
CN106458508A (en) Elevator apparatus
KR101227639B1 (en) Emergency stop device for elevator
CN203212157U (en) Vibration damper for traction machine
CN203728434U (en) Crane movable pulley device provided with broken rope protection and falling prevention mechanism
CN101875459A (en) Installing structure of counterweight safety tongs
CN202296676U (en) Safety protection device for elevator
CN202808112U (en) Self-protecting elevator guide rail in case of outage
CN105883523B (en) A kind of villa elevator instantaneous safety
CN207209666U (en) Elevator beam mechanism

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100602

Termination date: 20130727