CN101605713B - Safety device for elevator - Google Patents
Safety device for elevator Download PDFInfo
- Publication number
- CN101605713B CN101605713B CN200780051380XA CN200780051380A CN101605713B CN 101605713 B CN101605713 B CN 101605713B CN 200780051380X A CN200780051380X A CN 200780051380XA CN 200780051380 A CN200780051380 A CN 200780051380A CN 101605713 B CN101605713 B CN 101605713B
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- Prior art keywords
- mentioned
- guide rail
- car
- rail stopper
- rotating rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/20—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of rotatable eccentrically-mounted members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
A safety device for an elevator, having a receiving rail stopper and rotating rail stopper installed in a housing horizontally movable relative to a car. Guide rails for guiding the car are disposed between the receiving rail stopper and the rotating rail stopper. The distance between the receiving rail stopper and the rotating rail stopper is reduced when the rotating rail stopper is rotated in the vertical direction. The housing is moved by a movement drive mechanism in the directions in which the rotating rail stopper is in contact with and away from the guide rails. When the rotating rail stopper is rotated, while in contact with the guide rails, in the direction corresponding to the direction of movement of the car, the guide rails are held between the rotating rail stopper and the receiving rail stopper.
Description
Technical field
The present invention relates on any direction that rises and descend the safety device of the elevator that can both brake travelling of car.
Background technology
In the past, proposed to have the lift appliance of wedge-type emergency braking device, braking maneuver has taken place to carry out by electrical means under the unusual situation at elevator in this wedge-type emergency braking device.In this existing lift appliance, utilize electromagnetic actuators to make voussoir displacement, make voussoir engaging-in to the guide rail that guides car be arranged between the carriage of car, come thus car brake activation power (for example, with reference to patent documentation 1).
In addition, the safety device of such elevator has been proposed with contact: by the action of a pair of electromagnet is made up, rotatable parts are upwards rotated the below, thereby carry out the braking maneuver of car.Rotatable parts are provided with top brake shoe and bottom brake shoe.About the guide rail of guiding car, by rotatable parts rotation upward, this guide rail is by being held in the bottom brake shoe and fixedly between the boots, and by rotatable parts rotation downwards, this guide rail is by being held in the top brake shoe and fixedly between the boots.By with guide rail being held in the either party in top brake shoe and the bottom brake shoe and fixedly between the boots, car is braked (for example, with reference to patent documentation 2).
Patent documentation 1:WO2004/083091
Patent documentation 2: european patent application discloses specification sheets No. 1460020
But, in the lift appliance shown in the patent documentation 1, a plurality of emergency braking devices that ascent direction and descent direction carried out braking maneuver respectively must be installed on car.Therefore, in order on rising and descent direction, all car to be carried out braking maneuver, can make the whole maximization of emergency braking device.
In addition, in the safety device of the elevator shown in the patent documentation 2, rotate, must use a pair of electromagnet, drive part is maximized in order to make rotatable parts.
Summary of the invention
The present invention finishes in order to solve aforesaid problem, its purpose is to obtain a kind of safety device of elevator, the safety device of this elevator can be realized miniaturization, and rise and any direction of descent direction on can both be at short notice and carry out the braking maneuver of car more reliably.
The safety device of elevator of the present invention comprises: housing, and it is supported in by the car of rail guidance, and can be with respect to car superior displacement in the horizontal direction; Bear the track fitting, it is arranged at housing; Rotating rail stopper, it is configured in this rotating rail stopper with guide rail and the mode of bearing between the track fitting is arranged at housing, and this rotating rail stopper direction is up and down rotated, the rotation of the direction up and down by this rotating rail stopper, this rotating rail stopper and the interval of bearing between the track fitting reduce; And displacement driver train, it makes housing be shifted to the direction that makes the contact of rotating rail stopper and guide rail and the direction of separating with respect to car, by rotating rail stopper with when guide rail contacts to rotating with the corresponding direction of the moving direction of car, guide rail is by being held in rotating rail stopper and bearing between the track fitting.
Description of drawings
Fig. 1 is the constructional drawing of expression embodiments of the present invention 1 described lift appliance.
Fig. 2 is the constructional drawing of the emergency braking device in the presentation graphs 1.
Fig. 3 is the cutaway view along the III-III line among Fig. 2.
Fig. 4 is the lateral plan of the emergency braking device among Fig. 2.
Fig. 5 is the central contact surface of the rotating rail stopper in the presentation graphs 2 and the constructional drawing of car guide rail state of contact.
Fig. 6 is the cutaway view along the VI-VI line among Fig. 5.
Fig. 7 is the bottom friction face of the rotating rail stopper in the presentation graphs 2 and the constructional drawing of car guide rail state of contact.
Fig. 8 is the cutaway view along the VIII-VIII line among Fig. 7.
Fig. 9 is the constructional drawing of expression embodiments of the present invention 2 described emergency braking devices.
Figure 10 is the cutaway view along the X-X line among Fig. 9.
Figure 11 is the cutaway view along the XI-XI line among Fig. 9.
Figure 12 is the central contact surface of the rotating rail stopper in the presentation graphs 9 and the constructional drawing of car guide rail state of contact.
Figure 13 is the cutaway view along the XIII-XIII line among Figure 12.
Figure 14 is the bottom friction face of the rotating rail stopper among Fig. 9 and the constructional drawing of car guide rail state of contact.
Figure 15 is the cutaway view along the XV-XV line among Figure 14.
The specific embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.
Embodiment 1
Fig. 1 is the constructional drawing of expression embodiments of the present invention 1 described lift appliance.In the drawings, car 1 and counterweight (not shown) are by main rope 2 suspentions.Main rope 2 is on the driving rope sheave that hangs over towing machine.The driving rope sheave rotates by the propulsive effort of towing machine.The lifting in hoistway of car 1 and counterweight by the rotation that drives rope sheave.In hoistway, be provided with to a pair of car guide rail 3 of the lifting channeling conduct of car 1 with to a pair of counterweight guide rail (not shown) of the lifting channeling conduct of counterweight.
The lifting of car 1 and counterweight is by control panel 4 controls of elevator.Information from car speed detecting sensor 5, door open-close detection sensor 6 and main rope fracture detecting sensor 7 is sent to control panel 4 respectively, wherein, the speed of 5 pairs of cars 1 of above-mentioned car speed detecting sensor detects, the switching of the gangway (not shown) of 6 pairs of cars 1 of above-mentioned door open-close detection sensor detects, and whether 7 pairs of main ropes 2 of above-mentioned main rope fracture detecting sensor rupture and detect.As car speed detecting sensor 5, for example use produces and the coder of the cooresponding signal of rotative speed of driving rope sheave or resolver (resolver) etc.As door open-close detection sensor 6, for example use position transduser that the position of the door of the gangway that opens and closes car 1 is detected etc.As main rope fracture detecting sensor 7, for example use tension detector that the tension force to main rope 2 detects etc.
Be provided with braking instruction portion 8 in control panel 4, this braking instruction portion 8, does not have elevator and to detect unusually from the information of car speed detecting sensor 5, door open-close detection sensor 6 and main rope fracture detecting sensor 7 according to respectively.Unusual time output braking instruction takes place detecting elevator in braking instruction portion 8.
Braking instruction portion 8 has computing machine, and this computing machine has arithmetic processing section (CPU etc.), storage part (ROM, RAM and hard disk etc.) and signal input and output portion.The function of braking instruction portion 8 can realize by the calculation process of computing machine.
A pair of emergency braking device 9 is installed, thereby this a pair of emergency braking device 9 is to control the brake equipment that car guide rail 3 is braked car 1 on car 1.Each emergency braking device 9 carries out the braking maneuver to car 1 braking by receiving the braking instruction from braking instruction portion 8.
Fig. 2 is the constructional drawing of the emergency braking device 9 in the presentation graphs 1.In addition, Fig. 3 is the cutaway view along the III-III line among Fig. 2.In addition, Fig. 4 is the lateral plan of the emergency braking device 9 among Fig. 2.In the drawings, erecting frame 10 is installed on car 1.On erecting frame 10, the top guide rod 11 and the lower guide bar 12 of the compartment of terrain configuration that separates each other is installed on above-below direction.Top guide rod 11 and lower guide bar 12 are parallel to each other and the on even keel configuration.
Be provided with housing 13 in the inboard of erecting frame 10.Upside and downside at housing 13 are provided with sliding guide 13a～13d.Top guide rod 11 is in sliding guide 13a, 13c.Lower guide bar 12 is in sliding guide 13b, 13d.Thus, housing 13 can slide with respect to erecting frame 10 along top guide rod 11 and lower guide bar 12.That is, housing 13 can be with respect to car 1 superior displacement in the horizontal direction.
Bearing track fitting 17 and bearing between the 15a of portion (promptly, a side opposite of bearing track fitting 17) dispose pressing member 22 and adjust member 23, above-mentioned pressing member 22 and adjust in the member 23 and pass common ladder bolt 19 respectively with car guide rail 3.
Pressing member 22 for example has a plurality of disk springs.The elastic reactance that pressing member 22 produces by means of disk spring is compressed, near the direction (that is, from bearing the direction that the 15a of portion leaves) of car guide rail 3 to bearing track fitting 17 application of forces.Adjusting the size of the elastic reactance of 23 pairs of pressing members 22 of member adjusts.In this example, adjust member 23 and have overlapped a plurality of dottle pins.By adjusting the number of dottle pin, come the size of the elastic reactance of pressing member 22 is adjusted.
Each ladder bolt 19 passes packing ring 20, and screws togather with setscrew nut 21.Packing ring 20 and setscrew nut 21 can be with respect to bearing the 15a of portion engaging., bear track fitting 17 and be limited with respect to the engaging of bearing the 15a of portion by packing ring 20 and setscrew nut 21 to displacement near the direction of car guide rail 3.By adjusting the screw togather amount of setscrew nut 21, adjust with respect to housing 13 position in the horizontal direction bearing track fitting 17 with respect to ladder bolt 19.
Bear track fitting 17 near direction when displacement of bearing the 15a of portion making, pressing member 22 opposings are born the displacement of track fitting 17 and are produced bigger elastic reactance.
Rotating rail stopper 18 is installed on the horizontal shaft (main shaft) 24 that is fixed in housing body 14 through bearing 25.In this example, bearing 25 is plain bearings.Thus, rotating rail stopper 18 can be center direction rotation up and down with main shaft 24.If rotating rail stopper 18 contacts with car guide rail 3 when car 1 moves, then this rotating rail stopper 18 with when car guide rail 3 contacts to rotating with the corresponding direction of the moving direction of car 1.That is, if rotating rail stopper 18 contacts with car guide rail 3, then rotating rail stopper 18 is rotated upward when car 1 descends, and rotating rail stopper 18 is rotated downwards when car 1 rises.
The shape of rotating rail stopper 18 is to make and bear the shape that the interval between the track fitting 17 reduces continuously by the rotation of direction up and down.That is, rotating rail stopper 18 and the interval of bearing between the track fitting 17 are maximum before rotating rail stopper 18 is rotated, and along with the amount of spin increase of rotation track 18, this interval reduces continuously.
Rotating rail stopper 18 has: rotating rail stopper main body 26; And the top brake shoe 27 and the bottom brake shoe 28 (a pair of brake shoe) that are arranged at rotating rail stopper main body 26.
The peripheral part by car guide rail 3 sides in rotating rail stopper main body 26 is provided with the track contact surface that can contact with car guide rail 3.The track contact surface has: central contact surface 26a; Top contact surface (upper curved surface portion) 26b, it is and the continuous curved surface in the upper end of central contact surface 26a; Bottom contact surface (lower curved face portion) 26c, it is and the continuous curved surface in the bottom of central contact surface 26a.
In this example, central contact surface 26a is the plane, and this plane is with vertical along the straight line radially of the center of turn Cn that passes through rotating rail stopper 18.In addition, contact surface 26b in top is to be the barrel surface at center with the position Pup that has been offset upward from center of turn Cn.And bottom contact surface 26c is to be the barrel surface at center with the position Pdn that has been offset downwards from center of turn Cn.In addition, it is the position of close Y-axis of second quadrant of the X-Y system of axes at center that the center P up of top contact surface 26b is positioned at center C n, and the center P dn of bottom contact surface 26c is positioned at the position of the close Y-axis of third quadrant.
In addition, in this example, each contact surface 26b, 26c respectively and the coefficientoffriction between the car guide rail 3 set greatlyyer (promptly than γ, γ＜μ), described γ is LY and the ratio of LX (γ=LY/LX), described LY be each contact surface 26b, 26c separately center P up and Pdn and center of turn Cn between size on Y direction, described LX is the size on X-direction between the track contact point of rotating rail stopper 18 and the centre of gration Cn.Like this, can make at the friction force of the pressing force of rotating rail stopper 18 than the pressing force by rotating rail stopper 18 produce to return rotational force (in the load of glancing impact to the opposite sense effect of answering rotation direction) big, thereby rotating rail stopper 18 is rotated more reliably.In order to reduce the value of size, as long as increase the radius R of the barrel surface of each contact surface 26b, 26c than γ.In addition, in order to increase coefficientoffriction, can list following method: constitute and utilize no fuel feeding guiding piece guiding car guide rail 3 to prevent the structure of adhering to of oil; A large amount of minute protrusions of the car guide rail 3 of nipping perhaps is set on each contact surface 26b, 26c.
It is adjacent with the upper end of top contact surface 26b that top brake shoe 27 is configured to.On top brake shoe 27, top friction face (upper flat face) 27a on promising plane is set.The part that is provided with top friction face 27a of top brake shoe 27 is protruded scheduled volume than the upper end of top contact surface 26b.
Be provided with dottle pin 45 between the back side of top brake shoe 27 and rotating rail stopper main body 26, this dottle pin 45 can be adjusted from the protrusion amount that the track contact surface protrudes top brake shoe 27.By adjusting the thickness of dottle pin 45, come the protrusion amount of top brake shoe 27 is adjusted.
It is adjacent with the lower end of bottom contact surface 26c that bottom brake shoe 28 is configured to.On bottom brake shoe 28, bottom friction face (lower flat face) 28a on promising plane is set.The part that is provided with bottom friction face 28a of bottom brake shoe 28 is protruded scheduled volume than the lower end of bottom contact surface 26c.
Be provided with dottle pin 46 between the back side of bottom brake shoe 28 and rotating rail stopper main body 26,46 pairs of bottom brake shoes 28 of this dottle pin are adjusted from the protrusion amount that the track contact surface protrudes.By adjusting the thickness of dottle pin 46, come the protrusion amount of bottom brake shoe 28 is adjusted.In this example, top brake shoe 27 and bottom brake shoe 28 are roughly the same from each protrusion amount that the track contact surface protrudes.
By the displacement of rotating rail stopper 18 to car guide rail 3 sides, central contact surface 26a contacts with car guide rail 3.
If central contact surface 26a contacts with car guide rail 3 when car 1 descends, then rotating rail stopper 18 is drawn by car guide rail 3 and is rotated upward.When rotating rail stopper 18 was rotated when bottom contact surface 26c is contacted with car guide rail 3 upward, housing 13 was to making main shaft 24 leave direction (that is, bearing the approaching direction of track fitting 17 and the car guide rail 3) displacement of car guide rail 3.When the top of top brake shoe 27 friction face 27a contacted with car guide rail 3, car guide rail 3 quilts were being held in top brake shoe 27 and bearing between the track fitting 17.
If central contact surface 26a contacts with car guide rail 3 when car 1 rises, then rotating rail stopper 18 is drawn by car guide rail 3 and is rotated downwards.When rotating rail stopper 18 was rotated downwards when top contact surface 26b is contacted with car guide rail 3, housing 13 was to making main shaft 24 leave direction (that is, bearing the approaching direction of track fitting 17 and the car guide rail 3) displacement of car guide rail 3.When the bottom of bottom brake shoe 28 friction face 28a contacted with car guide rail 3, car guide rail 3 quilts were being held in bottom brake shoe 28 and bearing between the track fitting 17.
Erecting frame 10 is provided with displacement driver train 29 (Fig. 3 and Fig. 4), and this displacement driver train 29 makes housing 13 with respect to erecting frame 10 displacements.The displacement driver train 29 have: a plurality of force application springs (force body) 30, its to the direction that rotating rail stopper 18 is contacted with car guide rail 3 to housing 13 application of forces; And maintenance and release mechanism (holding unit) 31, its application force that can resist force application spring 30 comes the displacement of housing 13 is limited.
Maintenance and release mechanism 31 have: allocations adjustable bolt 41, and it is arranged on the adjustable bolt installation portion 16; Keep bar 32, it can be shifted with respect to erecting frame 10, and can engage with adjustable bolt 41 with allocations; Push rod 33, itself and maintenance bar 32 butts; And electromagnet 34, thereby it makes push rod 33 displacements make 32 displacements of maintenance bar.
The side opposite that push rod 33 and electromagnet 34 are arranged on erecting frame 10 with housing 13.Electromagnet 34 has: secured core (first iron core) 36, and it is fixed in erecting frame 10; Magnet coil 37, it is assembled on the secured core 36; And movable core (second iron core) 38, they can be with respect to secured core 36 displacements.
Push rod 33 is fixed on the central authorities of movable core 38.In addition, push rod 33 runs through the center of secured core 36.Screw thread is fixed with a plurality of adjustment nuies 39 on push rod 33.By the position of adjustment nut 39 is adjusted, the gap length between movable core 38 and the secured core 36 can be set at predetermined value.
Keep bar 32 and to remove displacement between the position (Fig. 6) at holding position (Fig. 3), above-mentioned holding position is to have left under the state of car guide rail 3 position that the displacement to housing 13 limits in rotating rail stopper 18, and above-mentioned releasing position is the position of removing the restriction of housing 13.On secured core 36, be fixed with the bar installing component.Keep an end of bar 32 to be installed on the bar installing component in the mode that can rotate through rotational support pin 40.The other end and allocations adjustable bolt 41 butts that keep bar 32.Keep bar 32 by being that rotate at the center with rotational support pin 40, come in the holding position and remove between the position to be shifted.
Allocations is fixed on the adjustable bolt installation portion 16 of housing 13 with adjustable bolt 41 screw threads.In addition, by the application of force of each force application spring 30, allocations is against the other end that keeps bar 32 with adjustable bolt 41 horizontal soil pressures.About when keeping bar 32 to be positioned at the holding position (, when the displacement of housing 13 is limited) rotating rail stopper 18 and bear track fitting 17 separately and the gap size between the car guide rail 3 (Fig. 2 and Fig. 3), divide adapted adjustable bolt 41 to adjust by the adjusting play with respect to the amount of screwing togather of adjustable bolt installation portion 16.
By electromagnet 34 is carried out excitation,, movable core 38 is held thereby being adsorbed on secured core 36.By the absorption of 36 pairs of movable cores 38 of secured core, push rod 33 is retained as motionless with respect to secured core 36.By keep bar 32 with respect to secured core 36 maintained push rod 33 butts, this maintenance bar 32 is maintained at the holding position.That is, keep bar 32 to be limited by electromagnet 34 is carried out excitation from the holding position to the displacement of removing the position.
The confining force of electromagnet 60 is set for bigger than the application force of 30 pairs of housings 42 of each force application spring.Therefore, by electromagnet 34 is carried out excitation, bear track fitting 17 and rotating rail stopper 18 and be retained as the state (Fig. 2 and Fig. 3) that has left from car guide rail 3.
In addition, thereby stop to make confining force to disappear, removed thus keeping bar 32 to the restriction of removing displacement by the excitation that makes electromagnet 34.When the confining force of electromagnet 34 disappears, by means of the application force of each force application spring 30, keep bar 32 to be pushed by housing 13 with adjustable bolt 41 and rotate simultaneously through allocations, thereby should keep bar 32 from the holding position displacement to the releasing position.Thus, housing 13 is to the direction displacement that rotating rail stopper 18 is contacted with car guide rail 3.
In addition, the shell position adjustment unit that can adjust with respect to car guide rail 3 position in the horizontal direction housing 13 is an allocations adjustable bolt 41.In addition, can and bear that adjustment unit has ladder bolt 19 and setscrew nut 21 between the track fitting that the distance between the track fitting 17 adjusts to the center of turn Cn of rotating rail stopper 18.
Next, action is described.Fig. 5 is the central contact surface 26a of the rotating rail stopper 18 in the presentation graphs 2 and the constructional drawing of car guide rail 3 state of contact, and Fig. 6 is the cutaway view along the VI-VI line among Fig. 5.In addition, Fig. 7 is the bottom friction face 28a of the rotating rail stopper 18 in the presentation graphs 2 and the constructional drawing of car guide rail 3 state of contact, and Fig. 8 is the cutaway view along the VIII-VIII line among Fig. 7.
When common, as shown in Figures 2 and 3, by the control of control panel 4, electromagnet 34 is by excitation, thereby kept movable core 38 to be adsorbed in the state of secured core 36.At this moment, keep bar 32, keep bar 32 to be limited to the rotation (the clockwise rotation in Fig. 3) of removing the position by remaining on holding position (Fig. 3) with push rod 33 butts.In addition, at this moment, by allocations with adjustable bolt with respect to the engaging that keeps bar 32, rotating rail stopper 18 and bear track fitting 17 and separate predetermined gap ground respectively and leave from car guide rail 3.
When utilizing braking instruction portion 8 to detect elevator unusual, braking instruction is output to each emergency braking device 9 from braking instruction portion 8.When the displacement driver train 29 of each emergency braking device 9 receives braking instruction, stop to magnet coil 37 energisings, the confining force of electromagnet 34 disappears.Thus, keep bar 32 to be pushed by housing 13, and (Fig. 3) rotate from the holding position simultaneously to removing position (Fig. 6) by the application force of each force application spring 30.At this moment, push rod 33 with keep bar 32 butts in displacement.In addition, movable core 38 is to the direction displacement of leaving secured core 36.Push rod 33 and movable core 38 are shifted always, up to adjustment nut 39 and secured core 36 butts.
Be accompanied by maintenance bar 32 to the displacement of removing the position, housing 13 is shifted to the direction that rotating rail stopper 18 is contacted with car guide rail 3 (right among Fig. 3) by means of the application force of each force application spring 30.Thus, as shown in Figure 5 and Figure 6, rotating rail stopper 18 contacts with car guide rail 3.
If rotating rail stopper 18 contacts with car guide rail 3 when car 1 descends, then rotating rail stopper 18 is drawn by car guide rail 3 and is rotated upward.At this moment, by means of the application force of each force application spring 30, rotating rail stopper 18 bottom contact surface 26c with rotate when car guide rail 3 contacts.Thus, housing 13 bears track fitting 17 to the direction displacement near car guide rail 3 to making main shaft 24 leave the direction displacement of car guide rail 3.In addition, at this moment, allocations is left from maintenance bar 32 by the displacement of housing 13 with adjustable bolt 41.
Then, rotating rail stopper 18 is further rotated upward, and when bottom brake shoe 28 arrived car guide rail 3, as shown in Figure 7 and Figure 8, car guide rail 3 quilts were being held in bottom brake shoe 28 and bearing between the track fitting 17.At this moment, pressing member 22 is compressed by the displacement of bearing track fitting 17 of being pushed by car guide rail 3, will bear track fitting 17 by the elastic reactance of pressing to car guide rail 3 thereby produce.In addition, the bottom friction face 28a of bottom brake shoe 28 contacts with car guide rail 3.Thus, guaranteed hold to car guide rail 3, thereby to car 1 brake activation power.
On the other hand, if rotating rail stopper 18 contacts with car guide rail 3 when car 1 rises, then rotating rail stopper 18 is drawn by car guide rail 3 and is rotated downwards.At this moment, by means of the application force of each force application spring 30, rotating rail stopper 18 top contact surface 26b with rotate when car guide rail 3 contacts.Thus, housing 13 bears track fitting 17 to the direction displacement near car guide rail 3 to making main shaft 24 leave the direction displacement of car guide rail 3.In addition, at this moment, allocations is left from maintenance bar 32 by the displacement of housing 13 with adjustable bolt 41.
Then, rotating rail stopper 18 is further rotated downwards, and when top brake shoe 27 arrived car guide rail 3, car guide rail 3 quilts were being held in top brake shoe 27 and bearing between the track fitting 17.At this moment, pressing member 22 is compressed by the track fitting of being pushed by car guide rail 3 17 that bears, and will bear track fitting 17 by the elastic reactance of pressing to car guide rail 3 thereby produce.In addition, the top friction face 27a of top brake shoe 27 contacts with car guide rail 3.Thus, guaranteed hold to car guide rail 3, thereby to car 1 brake activation power.
In the safety device of such elevator, housing 13 is provided with and bears track fitting 17 and rotating rail stopper 18, this rotating rail stopper 18 makes itself and the interval of bearing between the track fitting 17 reduce by the rotation of direction up and down, and, erecting frame 10 is provided with displacement driver train 29, this displacement driver train 29 makes housing 13 to making rotating rail stopper 18 and car guide rail 3 contacts and the direction displacement that separates, so on any direction of ascent direction and descent direction, can both come by the action of common displacement driver train 29 the mobile of car 1 braked.Thus, need not on ascent direction and descent direction, to be provided with separately respectively the mobile driver train of braking, can realize the miniaturization of emergency braking device 9 car 1.
In addition, the displacement driver train 29 have: force application spring 30, its to the direction that rotating rail stopper 18 is contacted with car guide rail 3 to housing 13 application of forces; And maintenance and release mechanism 31, its application force that can resist force application spring 30 comes the displacement of housing 13 is limited, so can make housing 13 displacements by simple structure.In addition, even to the confining force of housing 13 owing to keep and situation that the fault of release mechanism 31 has disappeared under, also can be by the application force of force application spring 30, make housing 13 to the direction displacement that rotating rail stopper 18 is contacted with car guide rail 3, thereby can carry out braking maneuver more reliably car 1.
In addition, maintenance and release mechanism 31 have electromagnet 34, by being carried out excitation, this electromagnet 34 comes the displacement of housing 13 is limited, by stopping that the excitation of this electromagnet 34 is removed restriction to housing 13, so can carry out braking maneuver at short notice.
In addition, owing to bearing track fitting 17 and rotating rail stopper 18, so the mounting structure with respect to housing 13 that bears track fitting 17 and rotating rail stopper 18 is simplified with housing 13 displacements.
In addition, housing 13 is provided with allocations adjustment unit (ladder bolt 19 and setscrew nut 21) between adjustable bolt 41 and track fitting, above-mentioned allocations can be adjusted with respect to car guide rail 3 position in the horizontal direction housing 13 with adjustable bolt 41, adjustment unit can be adjusted the center of turn Cn of rotating rail stopper 18 and the distance of bearing between the track fitting 17 between above-mentioned track fitting, thus the rotating rail stopper 18 can be shifted driver train 29 restriction to the displacement of housing 13 time and bear track fitting 17 separately and the gap size between the car guide rail 3 easily adjust.Thus, can after being installed in emergency braking device 9 on the car 1, carry out the adjustment of gap size, thereby can alleviate the labour and the time of installation exercise.In addition, can also prevent to wait the misoperation that causes because of erecting frame 10 inclinations.
In addition, when rotating rail stopper 18 is rotated when contacting with car guide rail 3, the a certain side of top contact surface 26b and bottom contact surface 26c contacts with car guide rail 3, when in rotating rail stopper 18 and bear when controlling car guide rail 3 between the track fitting 17, the a certain side of top friction face 27a and bottom friction face 28a contacts with car guide rail 3, therefore, when rotating rail stopper 18 is rotated, can make rotating rail stopper 18 be some contact or line contact, thereby can reduce the abrasion loss of rotating rail stopper 18 with respect to the contact of car guide rail 3.Thus, can realize long lifetime, the number of times of braking maneuver is increased.
In addition, owing to can come top brake shoe 27 and bottom brake shoe 28 are adjusted with respect to the position of rotating rail stopper main body 26 by the thickness of adjusting dottle pin 45,46, so under situation the about for example hold of car guide rail 3 having been reduced owing to the wearing and tearing of top brake shoe 27 and bottom brake shoe 28 etc., can realize the recovery of hold by the position of adjusting top brake shoe 27 and bottom brake shoe 28.
In addition, owing to bearing between track fitting 17 and the housing 13, be provided with and bear track fitting 17 by the pressing member 22 of pressing to car guide rail 3, so can produce hold more reliably to car guide rail 3.Thus, can be more reliably to car 1 brake activation power.
In addition, according to respectively from the information of car speed detecting sensor 5, door open-close detection sensor 6 and main rope fracture detecting sensor 7, utilize 8 pairs of elevators of braking instruction portion whether to detect unusually, by detecting by braking instruction portion 8 unusually, carry out the braking maneuver of emergency braking device 9, therefore, under the situation that situation about having moved under state that unusual situation, car 1 open in the gangway of car 1 has taken place for the speed of car 1 and main rope 2 have ruptured, can be at short notice and more reliably to car 1 brake activation power.
In addition, in above-mentioned example, each protrusion amount that top brake shoe 27 and bottom brake shoe 28 protrude from rotating rail stopper main body 26 is roughly the same, but also can make the protrusion amount of top brake shoe 27 littler than the protrusion amount of bottom brake shoe 28.Be used to make the braking force that the car 1 that rises under the unbalance state of car 1 and counterweight stops can be littler than the braking force that is used to make the car 1 that under the situation of main rope 2 fractures, descends to stop.Therefore, littler than the protrusion amount of bottom brake shoe 28 by the protrusion amount that makes top brake shoe 27, braking force required when required braking-force ratio car 1 descended when car 1 was risen is little, can apply and the corresponding braking force of the moving direction of car 1 car 1.
In addition, in above-mentioned example, the track contact surface of rotating rail stopper 18 is made of plane 26a and each barrel surface 26b, 26c, above-mentioned each barrel surface 26b, 26c are the center with position Pup, the Pdn that has been offset with the below upward respectively from center of turn Cn, but be not limited thereto, about this track contact surface, get final product so long as form such shape: by rotating rail stopper 18 with rotate when car guide rail 3 contacts, main shaft 24 leaves from car guide rail 3 continuously.
Embodiment 2
Fig. 9 is the constructional drawing of expression embodiments of the present invention 2 described emergency braking devices 9.In addition, Figure 10 is the cutaway view along the X-X line among Fig. 9, and Figure 11 is the cutaway view along the XI-XI line among Fig. 9.In the drawings, housing 13 has: housing body 51; And guide portion 52 is installed on top and guide portion 53 is installed in the bottom, and they are arranged on the housing body 51, and are configured to separate each other on above-below direction at interval.
Bearing on the track fitting 17, be fixed with a plurality of (being 2 in this example) ladder bolt 19 of horizontal arrangement.Each ladder bolt 19 extends to the rear side of bearing track fitting 17.In addition, each ladder bolt 19 runs through common baffle plate (restrictions) 54, and this baffle plate 54 is configured in top and installs between guide portion 52 and the bottom installation guide portion 53.
A plurality of (being 2 in this example) the pressing force adjustable bolts (adjustment member) 55 that run through respectively by each ladder bolt 19 screw togather with baffle plate 54.Pressing force adjustable bolt 55 can slide in the horizontal direction with respect to ladder bolt 19.
Bearing between track fitting 17 and each the pressing force adjustable bolt 55 (that is, a side opposite of bearing track fitting 17) with car guide rail 3, dispose pressing member 22 respectively, ladder bolt 19 is applied in this pressing member 22.Pressing member 22 for example has a plurality of disk springs.The elastic reactance that pressing member 22 produces by means of being compressed by disk spring is to bearing track fitting 17 to the direction application of force of leaving baffle plate 54.
The size of the elastic reactance of 55 pairs of pressing members 22 of pressing force adjustable bolt is adjusted.By adjusting the screw togather amount of pressing force adjustable bolt 55, come the elastic reactance of pressing member 22 is adjusted with respect to baffle plate 54.
Each ladder bolt 19 passes packing ring 20, and screws togather with setscrew nut 21.Engage with respect to baffle plate 54 by packing ring 20 and setscrew nut 21, bear track fitting 17 and be limited to the displacement of the direction of leaving baffle plate 54.By adjusting the screw togather amount of setscrew nut 21, adjust with respect to the position of baffle plate 54 bearing track fitting 17 with respect to ladder bolt 19.
Bearing track fitting 17 can be with each ladder bolt 19, packing ring 20, setscrew nut 21, pressing member 22, baffle plate 54 and pressing force adjustable bolt 55 with respect to housing 13 displacement.In addition, by bear track fitting 17 to displacement near the direction of baffle plate 54, pressing member 22 opposings are born the displacement of track fitting 17 and are produced bigger elastic reactance.
The portion of respectively bearing of guide portion 52 and bottom guide portion 53 being installed is installed on top and bears between the track fitting 17, compress and be provided with a plurality of (being 2 in this example) force application spring 68.That is, bear track fitting 17, by the direction application of force of leaving to the portion of respectively the bearing on even keel that guide portion 52 and bottom installation guide portion 53 is installed from top by each force application spring 68.
On even keel runs through the adjust the clearance bolt 56 of baffle plate 54 and the part that is between each ladder bolt 19 of baffle plate 54 screws togather.Be used to prevent that adjust the clearance bolt 56 from screwing togather with adjust the clearance bolt 56 with respect to the captive nut 57 of baffle plate 54 displacements.
In housing 13 and parts car guide rail 3 opposite sides, be provided with electromagnet 60.Electromagnet 60 has: secured core (first iron core) 61, and it is fixed in housing 13; Magnet coil 62, it is assembled on the secured core 61; And movable core (second iron core) 63, they can be with respect to secured core 61 displacements.By to magnet coil 62 energising (that is, electromagnet 60 being carried out excitation), secured core 61 and movable core 63 adsorbs mutually, switch on to magnet coil 62 by stopping, and secured core 61 and movable core 63 are separated from each other on the direction of displacement of housing 13.
On secured core 61, be fixed with the bar installing component.Keep an end of bar 59 to be installed on the bar installing component in the mode that can rotate through rotational support pin 64.The end by bearing track fitting 17 sides of adjust the clearance bolt 56 is pressed against the other end that keeps bar 59.
In the central authorities of movable core 63, be fixed with the push rod 65 of horizontal arrangement.Push rod 65 runs through the center of secured core 61.Screw thread is fixed with adjustment nut 66 on push rod 65, and 66 pairs of secured cores 61 of this adjustment nut limit to the displacement of the direction of leaving movable core 63.By adjustment nut 66 is adjusted with respect to the position of push rod 65, the size in the gap between movable core 63 and the secured core 61 can be set at predetermined value.
Keep bar 59 pars intermedia can with the leading section butt of push rod 65.On erecting frame 10, be equipped with can with the allocations of the pars intermedia butt that keeps bar 59 with adjustable bolt (shell position adjustment unit) 67.
At secured core 61 and movable core 63 mutually during absorption, the pars intermedia that keeps bar 59 respectively with push rod 65 and allocations with adjustable bolt 67 butts.Thus, bear track fitting 17 and rotating rail stopper 18 is retained as the state that leaves with respect to car guide rail 3 respectively.Promptly, when secured core 61 and movable core 63 mutual absorption, by utilizing push rod 65 to stop the rotation that keeps bar 59, bearing track fitting 17 is limited to the displacement near the direction of car guide rail 3, by utilizing allocations to stop the displacement of housings 13 with adjustable bolt 65, rotating rail stopper 18 is limited to the displacement near the direction of car guide rail 3.
Divide the screw togather amount of adapted adjustable bolt 67 by the adjusting play, come utilizing allocations to adjust with the position of the displacement of adjustable bolt 67 restriction housings 13 with respect to erecting frame 10.That is, divide the screw togather amount of adapted adjustable bolt 67 with respect to erecting frame 10 by the adjusting play, come to bear track fitting 17 and rotating rail stopper 18 separately and the gap size between the car guide rail 3 (Fig. 9 and Figure 10) adjust.
When secured core 61 and movable core 63 leave mutually, housing 13 by means of force application spring 30,68 separately application force and right displacement in Figure 10, thereby keep the anticlockwise motion of bar 59 in Figure 10.That is, when secured core 61 and movable core 63 were separated from each other, housing 13 and keep bar 59 displacements was so that bear track fitting 17 and rotating rail stopper 18 to approaching mutually direction displacement.Thus, bearing track fitting 17 contacts with car guide rail 3 respectively with rotating rail stopper 18.
On rotating rail stopper main body 26, be provided with a plurality of (being 2 in this example) center of gravity and adjust hole 69.Thus, the center of gravity of rotating rail stopper 18 is consistent with center of turn Cn.In addition, in this example, it is the position of close Y-axis of first quartile of the X-Y system of axes at center that the center P up of top contact surface 26b is positioned at center of turn Cn, and the center P dn of bottom contact surface 26c is positioned at four-quadrant position near Y-axis.In addition, the bearing 25 between rotating rail stopper 18 and the main shaft 24 is antifriction-bearing boxs.
In addition, displacement driver train 29 has each force application spring 30 and maintenance and release mechanism (holding unit).In addition, maintenance and release mechanism (holding unit) have the bar 59 of maintenance, electromagnet 60, push rod 65 and allocations adjustable bolt 67.In addition, to the center of turn Cn of rotating rail stopper 18 and bear that adjustment unit has baffle plate 54, adjust the clearance bolt 56, captive nut 57 and each force application spring 68 between the track fitting that the distance between the track fitting 17 adjusts.Other structure is identical with embodiment 1.
Next, action is described.Figure 12 is the central contact surface 26a of the rotating rail stopper 18 in the presentation graphs 9 and the constructional drawing of car guide rail 3 state of contact, and Figure 13 is the cutaway view along the XIII-XIII line among Figure 12.In addition, Figure 14 is the bottom friction face 28a of the rotating rail stopper 18 among Fig. 9 and the constructional drawing of car guide rail 3 state of contact, and Figure 15 is the cutaway view along the XV-XV line among Figure 14.
When common, as Fig. 9 and shown in Figure 10, by the control of control panel 4, electromagnet 60 is by excitation, thereby secured core 61 and movable core 63 adsorb mutually.At this moment, bear track fitting 17 to being held bar 59 restrictions near the displacement of the direction of car guide rail 3 (left in Figure 10 to displacement); Rotating rail stopper 18 near the displacement (displacement of the right in Figure 10) of the direction of car guide rail 3 by allocations with adjustable bolt 67 restrictions.Thus, rotating rail stopper 18 and bear track fitting 17 and separate predetermined gap ground respectively and leave from car guide rail 3.
When the displacement driver train 29 of each emergency braking device 9 receives braking instruction, stop to magnet coil 62 energisings, the confining force of electromagnet 60 disappears.When the confining force of electromagnet 60 disappeared, secured core 61 and movable core 63 were shifted to the direction that is separated from each other by means of the application force of force application spring 30,68.Thus, housing 13 is with secured core 61 displacements, and rotating rail stopper 18 is to direction (right among Figure 10) displacement near car guide rail 3.In addition, at this moment, keep the anticlockwise motion of bar 59 in Figure 10, bear track fitting 17 to direction displacement near car guide rail 3.
Then, as Figure 12 and shown in Figure 13, bear track fitting 17 and contact with car guide rail 3 with rotating rail stopper 18.Then, bear track fitting 17 and be pressed to car guide rail 3 by means of the application force of each force application spring 68, rotating rail stopper 18 is pressed to car guide rail 3 by means of the application force of each force application spring 30.In addition, the application force of force application spring 30,68 is set at the pressing force of this moment is balanced against others.
Then, when car 1 descended, rotating rail stopper 18 was drawn by car guide rail 3 and is rotated upward.At this moment, by the application force of each force application spring 30, rotating rail stopper 18 bottom contact surface 26c with rotate when car guide rail 3 contacts.Thus, housing 13 is to making main shaft 24 leave direction (left among Figure 12 to) displacement of car guide rail 3.
Then, when rotating rail stopper 18 is further rotated, housing 13 is to making main shaft 24 leave direction when displacement of car guide rail 3, the portion of respectively bearing that guide portion 52 and bottom installation guide portion 53 are installed in top engages with baffle plate 54, and each pressing member 22 further is compressed.
Then, when bottom brake shoe 28 arrived car guide rail 3, car guide rail 3 quilts were being held in bottom brake shoe 28 and bearing (Figure 14 and Figure 15) between the track fitting 17.At this moment, pressing member 22 is compressed by the displacement of bearing track fitting 17 of being pushed by car guide rail 3, will bear track fitting 17 by the elastic reactance of pressing to car guide rail 3 thereby produce.In addition, the bottom friction face 28a of bottom brake shoe 28 contacts with car guide rail 3.Thus, guaranteed hold to car guide rail 3, thereby to car 1 brake activation power.
On the other hand, if rotating rail stopper 18 contacts with car guide rail 3 when car 1 rises, then rotating rail stopper 18 is drawn by car guide rail 3 and is rotated downwards.At this moment, by the application force of each force application spring 30, rotating rail stopper 18 top contact surface 26b with rotate when car guide rail 3 contacts.Thus, housing 13 is to making main shaft 24 leave the direction displacement of car guide rail 3.
Then, when rotating rail stopper 18 is further rotated, housing 13 is to making main shaft 24 leave direction when displacement of car guide rail 3, the portion of respectively bearing that guide portion 52 and bottom installation guide portion 53 are installed in top engages with baffle plate 54, and each pressing member 22 further is compressed.
Then, when top brake shoe 27 arrived car guide rail 3, car guide rail 3 quilts were being held in top brake shoe 27 and bearing between the track fitting 17.At this moment, pressing member 22 is compressed by the displacement of bearing track fitting 17 of being pushed by car guide rail 3, will bear track fitting 17 by the elastic reactance of pressing to car guide rail 3 thereby produce.In addition, the top friction face 27a of top brake shoe 27 contacts with car guide rail 3.Thus, guaranteed hold to car guide rail 3, thereby to car 1 brake activation power.
In the safety device of such elevator, because bearing track fitting 17 is shifted in the opposite direction to the side with housing 13 displacements, bear track fitting 17 and rotating rail stopper 18 separately and the interval between the car guide rail 3 so can usually the time, increase, thereby can further prevent the misoperation tilting to cause because of car 1.
In addition, owing to come the elastic reactance of pressing member 22 is adjusted with respect to the amount of screwing togather of baffle plate 54, bear the pressing force of track fitting 17 with respect to car guide rail 3 so can easily adjust by adjusting pressing force adjustable bolt 55.
In addition, because the center of gravity of rotating rail stopper 18 is consistent with the center of turn Cn of rotating rail stopper 18, so even under the situation of the swing that has for example produced car 1 etc., also can prevent the rotation of rotating rail stopper 18.
In addition, in above-mentioned example, the center of gravity of rotating rail stopper 18 is consistent with the center of turn Cn of rotating rail stopper 18, but the center of gravity of rotating rail stopper 18 is located on the Y-axis than the position of center of turn Cn by the below.So also can prevent the rotation of the rotating rail stopper 18 that the swing etc. because of car 1 produces.
In addition, in above-mentioned example, pressing force adjustable bolt 55 screws togather with baffle plate 54, but the pressing force adjustable bolt 55 and the back side of bearing track fitting 17 are screwed togather.
In addition, sensor is not limited to car speed detecting sensor 5, door open-close detection sensor 6 and main rope fracture detecting sensor 7.
Claims (12)
1. the safety device of an elevator is characterized in that,
The safety device of above-mentioned elevator comprises:
Housing, it is supported in by the car of rail guidance, and can be with respect to above-mentioned car superior displacement in the horizontal direction;
Bear the track fitting, it is arranged at above-mentioned housing;
Rotating rail stopper, it is configured in this rotating rail stopper with above-mentioned guide rail and above-mentioned mode of bearing between the track fitting is arranged at above-mentioned housing, and this rotating rail stopper direction is up and down rotated, the rotation of the direction up and down by this rotating rail stopper, this rotating rail stopper and above-mentioned interval of bearing between the track fitting reduce; And
The displacement driver train, it makes above-mentioned housing be shifted to direction that makes above-mentioned rotating rail stopper and the contact of above-mentioned guide rail and the direction of separating with respect to above-mentioned car,
By above-mentioned rotating rail stopper with when above-mentioned guide rail contacts to rotating with the corresponding direction of the moving direction of above-mentioned car, above-mentioned guide rail is by being held in above-mentioned rotating rail stopper and above-mentioned bearing between the track fitting.
2. the safety device of elevator according to claim 1 is characterized in that,
Above-mentioned displacement driver train has: force body, its to above-mentioned housing to the direction application of force that above-mentioned rotating rail stopper is contacted with above-mentioned guide rail; And holding unit, it can be resisted the application force of above-mentioned force body and the displacement of above-mentioned housing is limited.
3. the safety device of elevator according to claim 2 is characterized in that,
Above-mentioned holding unit has electromagnet, comes the displacement of above-mentioned housing is limited by this electromagnet being carried out excitation, stops to remove above-mentioned restriction by making above-mentioned excitation.
4. the safety device of elevator according to claim 1 is characterized in that,
Above-mentionedly bear the track fitting and above-mentioned rotating rail stopper is shifted with above-mentioned housing.
5. the safety device of elevator according to claim 1 is characterized in that,
The above-mentioned track fitting that bears can be shifted with respect to above-mentioned housing,
Above-mentioned rotating rail stopper is shifted with above-mentioned housing,
Above-mentioned displacement driver train makes the above-mentioned track fitting that bears be shifted in the opposite direction to the side with above-mentioned housing displacement.
6. the safety device of elevator according to claim 1 is characterized in that,
Above-mentioned displacement driver train has: the shell position adjustment unit, and it can adjust the position of above-mentioned housing with respect to above-mentioned guide rail; And adjustment unit between the track fitting, it can adjust the center of turn and the above-mentioned distance of bearing between the track fitting of above-mentioned rotating rail stopper.
7. the safety device of elevator according to claim 1 is characterized in that,
Above-mentioned rotating rail stopper is provided with: the track contact surface, and it comprises curved face part; And planar portions, the top and bottom of itself and above-mentioned guide rail contact surface are adjacent,
Above-mentioned rotating rail stopper is when rotating when above-mentioned guide rail contacts, above-mentioned curved face part contacts with above-mentioned guide rail, above-mentioned guide rail is by being held in above-mentioned rotating rail stopper and above-mentioned when bearing between the track fitting, and above-mentioned planar portions contacts with above-mentioned guide rail.
8. the safety device of elevator according to claim 1 is characterized in that,
Above-mentioned rotating rail stopper has: the rotating rail stopper main body; With a pair of brake shoe, they are arranged on the above-mentioned rotating rail stopper main body, and above-mentioned guide rail is by being held in above-mentioned rotating rail stopper and above-mentioned when bearing between the track fitting, and above-mentioned brake shoe contacts with above-mentioned guide rail,
Each above-mentioned brake shoe can be adjusted with respect to the position of above-mentioned rotating rail stopper main body.
9. the safety device of elevator according to claim 1 is characterized in that,
The center of gravity of above-mentioned rotating rail stopper is consistent with the center of turn of above-mentioned rotating rail stopper.
10. the safety device of elevator according to claim 1 is characterized in that,
The safety device of above-mentioned elevator also comprises pressing member, and above-mentioned guide rail is by above-mentioned when bearing between track fitting and the above-mentioned rotating rail stopper being held in, and this pressing member pushes the above-mentioned track fitting that bears to above-mentioned guide rail.
11. the safety device of elevator according to claim 10 is characterized in that,
Above-mentioned bear to overlap the to each other between track fitting and the restrictions be provided with above-mentioned pressing member and adjust member, above-mentioned restrictions is limited to leaving above-mentioned displacement of bearing the direction of track fitting,
Above-mentioned adjustment member is the pressing force adjustable bolt, by adjusting this pressing force adjustable bolt with respect to the above-mentioned amount of screwing togather of bearing at least one side in track fitting and the restrictions, comes the pressing force of above-mentioned pressing member is adjusted.
12. the safety device of elevator according to claim 1 is characterized in that,
The safety device of above-mentioned elevator also comprises judging part, this judging part is according to the information that opens and closes test section and main rope fracture test section respectively from car speed test section, door, whether elevator is detected and exports braking instruction unusually, wherein, above-mentioned car speed test section detects the speed of above-mentioned car, above-mentioned door switching test section detects the switching of the gangway of above-mentioned car, and whether above-mentioned main rope fracture test section ruptures to the main rope that suspends above-mentioned car in midair and detect
Above-mentioned displacement driver train makes above-mentioned housing to the direction displacement that above-mentioned rotating rail stopper is contacted with above-mentioned guide rail by receiving above-mentioned braking instruction.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2007/052701 WO2008099487A1 (en) | 2007-02-15 | 2007-02-15 | Safety device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101605713A CN101605713A (en) | 2009-12-16 |
| CN101605713B true CN101605713B (en) | 2011-12-07 |
Family
ID=39689746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780051380XA Expired - Fee Related CN101605713B (en) | 2007-02-15 | 2007-02-15 | Safety device for elevator |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2112116B1 (en) |
| JP (1) | JP5112342B2 (en) |
| KR (1) | KR101033343B1 (en) |
| CN (1) | CN101605713B (en) |
| WO (1) | WO2008099487A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170114A (en) * | 2018-11-13 | 2020-05-19 | 上海三菱电梯有限公司 | Quick response elevator arresting gear and elevator |
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| CN101679000B (en) | 2007-06-21 | 2012-07-18 | 三菱电机株式会社 | Safety device for elevator and rope slip detection method |
| WO2011113753A2 (en) * | 2010-03-18 | 2011-09-22 | Inventio Ag | Elevator system having a brake device |
| US9169104B2 (en) * | 2010-12-17 | 2015-10-27 | Inventio Ag | Activating a safety gear |
| MX348031B (en) * | 2011-09-30 | 2017-05-23 | Inventio Ag | Brake device with electromechanical actuation. |
| BR112014013484A8 (en) * | 2011-12-09 | 2017-06-13 | Inventio Ag | maneuvering a safety brake |
| CN102530677A (en) * | 2012-02-24 | 2012-07-04 | 苏州莱茵电梯制造有限公司 | Safety gear with cam structure |
| PT2828188T (en) | 2012-03-20 | 2017-08-21 | Inventio Ag | Catch device in a lift assembly |
| CA2891747C (en) * | 2012-11-27 | 2020-09-15 | Inventio Ag | Safety catch for a traveling body of an elevator system |
| EP2931640B1 (en) * | 2012-12-13 | 2017-01-18 | Inventio AG | Capture device for a lift system |
| ES2622712T3 (en) * | 2012-12-13 | 2017-07-07 | Inventio Ag | Parachute device for an elevator floor |
| CN104150312B (en) * | 2014-07-23 | 2016-06-01 | 河北东方富达机械有限公司 | Accidental movement of elevator cage safeguard protection device |
| DE102015103012A1 (en) * | 2015-03-03 | 2016-09-08 | Thyssenkrupp Ag | Braking device for a car of an elevator installation |
| WO2016147686A1 (en) * | 2015-03-18 | 2016-09-22 | 三菱電機株式会社 | Emergency stop apparatus for elevator, and elevator system |
| DE112017001145T5 (en) * | 2016-03-04 | 2018-11-22 | Mitsubishi Electric Corporation | ELEVATOR BRAKE DEVICE |
| RU2718706C1 (en) * | 2019-11-07 | 2020-04-14 | Акционерное общество "Щербинский Лифтостроительный Завод" | Catcher |
| CN113247732A (en) * | 2021-05-19 | 2021-08-13 | 上海三菱电梯有限公司 | Elevator brake member and elevator brake device |
| CN115092789B (en) * | 2022-08-25 | 2022-11-11 | 河南起升智能科技有限公司 | Accidental movement prevention device, accidental movement prevention assembly and elevator |
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- 2007-02-15 CN CN200780051380XA patent/CN101605713B/en not_active Expired - Fee Related
- 2007-02-15 JP JP2008557945A patent/JP5112342B2/en not_active Expired - Fee Related
- 2007-02-15 EP EP07714231.3A patent/EP2112116B1/en not_active Not-in-force
- 2007-02-15 KR KR1020097016660A patent/KR101033343B1/en not_active IP Right Cessation
- 2007-02-15 WO PCT/JP2007/052701 patent/WO2008099487A1/en active Application Filing
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| CN111170114B (en) * | 2018-11-13 | 2021-05-25 | 上海三菱电梯有限公司 | Quick response elevator arresting gear and elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008099487A1 (en) | 2008-08-21 |
| CN101605713A (en) | 2009-12-16 |
| EP2112116A4 (en) | 2012-03-28 |
| JPWO2008099487A1 (en) | 2010-05-27 |
| KR20100004956A (en) | 2010-01-13 |
| EP2112116A1 (en) | 2009-10-28 |
| KR101033343B1 (en) | 2011-05-09 |
| JP5112342B2 (en) | 2013-01-09 |
| EP2112116B1 (en) | 2017-08-30 |
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