CN205652955U - Elevator system that accident -proof removed - Google Patents

Abstract

The utility model discloses an elevator system that accident -proof removed, the middle part of a crossbeam of its car is rotated and is provided with the flange carousel, it is provided with the connecting rod to rotate in the outer fringe position of flange carousel symmetry, the other end of connecting rod articulates there is the bolt, the bolt slides the assembly on the crossbeam, flat bed rigidity at the car on the guide rail is equipped with bolt hole bottom seat, set up the bolt hole that the conical surface section that supplies the bolt stretched into on the bolt hole bottom seat, the bolt stretches into the bolt hole at an extreme position of its motion, another extreme position deviates from the bolt hole, be equipped with the detection switch on the crossbeam, set up when the bolt hole is deviate from to the bolt recess that the contact that supplies the detection switch freely stretched into on the bolt, the bolt moves the contact of detection switch when stretching into in the bolt hole outward and is deviate from by the recess and pushed down by the bolt, the detection switch links to each other with the transmission of lift control mainboard, the lift control mainboard links to each other with the electric machine control. The utility model discloses a mechanical structure guarantees spacing between car and the guide rail, ensures the car removal that does not meet accident.

Description

A kind of elevator device of anti-accidental movement

Technical field

This utility model relates to the elevator device of a kind of anti-accidental movement, belongs to elevators field.

Background technology

When elevator cabin flat level, because traction is not enough or other failure causes, car accidental movement may be caused, prior art is prevented generally by safety tongs locking guide rail, but safety tongs is elevator finally to be ensured together, if often action, tired etc. aging too fast；It addition, detect after car accidental movement, perform, will pass through automatically controlled mainboard, limiter of speed etc., testing process is long, and response speed is slow；Furthermore, if only one-way safety pincers, then can not prevent accidental movement upwards.Some elevator devices are also adopted by multi link bolt mechanism prevention car accidental movement, and this structure can not perform automatically, can only be manual；Once flat bed moves, then latch frictional force is the biggest, it is difficult to extract, and structure is complicated.

Utility model content

The purpose of this utility model is to provide the elevator device of a kind of anti-accidental movement, to provide a kind of elevator device with new anti-accidental movement.

nullIn order to realize object above，This utility model adopts the following technical scheme that the elevator device of a kind of anti-accidental movement，Including the guide rail being arranged in hoistway and the car being slidably arranged on guide rail，The upper and lower of car is respectively arranged with crossbeam，Two crossbeams be respectively arranged at two ends with left vertical beam and right vertical beam，The middle part of one crossbeam rotates and is provided with flange rotating disk，Flange rotating disk is driven rotating by the motor being fixed on crossbeam，Motor is connected with flange rotating disk transmission by decelerator，Shutdown band brake apparatus it is provided with at the output shaft of motor，Outer rim position symmetry at flange rotating disk rotates and is provided with connecting rod，The other end of connecting rod is hinged with latch，The free end of latch is the reducing conical surface towards termination，Latch is slidedly assemblied on crossbeam，It is equipped with pin hole base the level position of car is fixing on guide rail，The pin hole that the conical surface section for latch stretches into is offered on pin hole base，The hole wall of pin hole is the conical surface that the conical surface section with latch matches，Latch stretches into pin hole at its extreme position moved、Another extreme position abjection pin hole，The tapering of latch is more than the angle of friction of latch with the friction pair of pin hole composition，Detection switch it is equipped with on crossbeam，The groove freely stretched into when latch abjection pin hole is offered for the contact of detection switch on latch，Outside latch, move the contact of detection switch when stretching in pin hole deviate from by groove and depressed by latch，The sidewall of groove is for convenience of the inclined-plane of contact abjection，Detection switch is connected with the transmission of elevator controlling mainboard，Elevator controlling mainboard controls to be connected with motor，There is on elevator controlling mainboard motor control signal and send module and detection switching signal receiver module，After elevator controlling mainboard receives flat bed signal，And when detecting the triggering signal that switching signal receiver module is not received by detection switch，Elevator controlling mainboard controls motor and rotates forward until detection switching signal receiver module receives the triggering signal of detection switch，Close behind the door at lift car、After elevator controlling mainboard detects signal in place，And when can receive the triggering signal of detection switch，Elevator controlling mainboard controls motor and rotates backward until detection switching signal receiver module receives the cut-off signal of detection switch，Motor rotates drive flange rotating disk every time and rotates 1/4 circle.

Described flange rotating disk rotates assembling with connecting rod by oscillating bearing.

Described connecting rod rotates assembling with latch also by oscillating bearing.

The bottom surface of described groove is plane.

Described connecting rod is Split type structure, and including union joint and the middle screw mandrel at two ends, the two ends of screw mandrel are provided with external screw thread, and the termination of two union joints has tapped blind hole, and the two ends of screw mandrel screw in the screwed hole blind hole of two union joints.

Flange rotating disk of the present utility model can drive latch to move between two extreme positions in rotation process, with pin hole base locking or separate, in time being in level position at car, flange driven by rotary disc latch inserts in pin hole, the relative position between car and guide rail will be limited, elevator physics is ensured will not accidental movement, thus accidental movement when preventing lift car leveling from stopping, elevator parking is inaccurate, and latch also has, when inserting pin hole, the effect correcting elevator position.When car needs motion, flange rotating disk is reversely rotated further, and latch leaves pin hole, constraint between car and guide rail disappears, elevator just can with proper motion, and, detection switch can detect the position of latch, it can be ensured that flange rotating disk rotate in place, and namely guarantees that latch motion puts in place.This utility model by frame for movement ensure between car and guide rail spacing, it can be ensured that there is not accidental movement in car.

The free end of latch of the present utility model is the reducing conical surface towards termination, the hole wall of pin hole is the conical surface that the conical surface section with latch matches, latch so can be made to insert in pin hole easily, even if latch also can make latch insert pin hole and correct the position of car during insertion with the less neat of pin hole pair.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of this utility model embodiment；

Fig. 2 is the perspective view of this utility model embodiment；

Fig. 3 is the structural representation that the flange rotating disk of this utility model embodiment is in another one extreme position；

Fig. 4 is anti-accidental movement system start-up control flow chart；

Fig. 5 is anti-accidental movement system closing control flow chart.

Detailed description of the invention

nullA kind of embodiment of the elevator device of anti-accidental movement，In Fig. 1-Fig. 5，Its guide rail 1 is two，It is respectively used to be assemblied in hoistway，Slide on guide rail 1 and be provided with car，The upper and lower of car is provided with crossbeam 3，The two ends of two crossbeams 3 are respectively arranged with left vertical beam 4 and right vertical beam 5，Two crossbeams 3 and left vertical beam 4 and right vertical beam 5 form frame-shaped，Car is in this frame，Crossbeam 3 directly contacts with steel wire rope，Above structure is conventional structure of the prior art，The crossbeam 3 be in top is rotatably equipped with flange rotating disk 6，Crossbeam 3 is fixed and is equipped with motor，The output shaft position of motor has shutdown band brake apparatus，Shutting down band brake apparatus will be locked by motor in motor one shutdown，Such motor belongs to commercial part，Motor is connected with flange rotating disk 6 by decelerator 7，Flange rotating disk 6 is driven to rotate，Outer rim position symmetry at flange rotating disk 6 rotates and is provided with connecting rod 8，One end of connecting rod 8 rotates assembling with flange rotating disk 6，Connecting rod 8 rotates assembling with flange rotating disk 6 by oscillating bearing，The other end of connecting rod 8 is all hinged with latch 9 by oscillating bearing，Latch 9 is slidedly assemblied on crossbeam 3，Flange rotating disk 6、Connecting rod 8 and latch 9 form crank block structure，Here latch 9 is slidedly assemblied on crossbeam by latch support 10，Latch support 10 is fixed on crossbeam，Latch 9 coordinates with the slideway in latch support 10，Here connecting rod 8 is Split type structure，By the union joint at two ends and middle screw mandrel，The two ends of screw mandrel are provided with external screw thread，The termination of two union joints has tapped blind hole，The two ends of screw mandrel screw in the screwed hole blind hole of two union joints，Connecting rod 8 rotates assembling by union joint with flange rotating disk 6 and latch，The connecting rod of this structure can adjust length easily，The extreme position of latch 9 can be adjusted with this.The free end of latch 9 is the reducing conical surface towards termination.Fixing on guide rail 1 and be equipped with pin hole base 11, pin hole base 11 is in the level position of car, and each level position has one piece.Guide rail is connected floor 11 and can be fixed on guide rail 1 by pressure guide plate, reinforcing plate 12 it is provided with on pin hole base 11, pin hole is begun with in reinforcing plate 12, the hole wall of pin hole here is the conical surface that the conical surface section with latch 9 matches, latch 9 stretches into pin hole at an extreme position, deviates from pin hole at another extreme position.The tapering of latch 9 is more than the angle of friction between latch 9 and pin hole, and such latch 9 can be easily owing to extracting in pin hole, will not be locked.nullLift car leveling when，Turnover personage once occurs，The overall weight of car will change，In this case，Steel wire rope tension can change，Steel wire rope there will be the phenomenon elongated or shortened，Due to coordinating between latch with pin hole，Car will not move relative to guide rail，The power that the most this change produces just will be undertaken by latch，Balanced by the pressure between latch and latch hole wall，Car load change the most greatly time or time phenomenon that traction machine skids occurs，Act on the power on latch the biggest，The biggest in the frictional force resulted between latch and latch hole wall，The power that motor gives latch by slider-crank mechanism cannot exceed this frictional force，Result in latch cannot extract，The problem that elevator device cannot run，When the front end of latch 9 is done tapered，Its taper angle is a，The power that car is added on latch is f，So，Coefficient of friction between latch and pin hole hole wall is u，So，Frictional force suffered by latch is just: u f cosa，And the power driving latch to remove is: f sina，If f is sina > u f cosa，Then latch can be deviate from automatically，If namely tana > u，And u is equal to friction tangent of an angle，Namely a > angle of friction，As long as i.e. the tapering of latch is more than angle of friction，Latch just can be deviate from by pin hole，Will not be locked，Owing to latch is when inserting pin hole，Latch is in the dead-centre position of slider-crank mechanism，The power being added on slide block is the biggest，Slider-crank mechanism also will not move，So have only to motor have prevent from shaking the crank displacement that brings hold strength tightly，Ensure that latch is not deviate from from pin hole，It is constantly in locked state.When latch needs abjection from pin hole, motor only need to drive flange rotational motion, cross dead-centre position, and latch will be deviate from automatically, does not haves locked problem.

Crossbeam 3 is equipped with detection switch 13, latch 9 offers groove 2, when latch 9 is in the extreme position of abjection pin hole, the contact of detection switch 13 stretches in groove 2, and the contact for detection switch at this moment is in the state that freely overhangs, not by any pressure, latch 9 outer move stretch in pin hole time detection switch 13 contact will by groove 2 in deviate from, also will be depressed by latch 9, the sidewall of groove 2 is for convenience of the inclined-plane of contact abjection, and the bottom surface of groove 2 is plane.Contact is had a process by free state to being depressed, in the middle of this process, flange rotating disk can rotate 1/4 circle, realize this purpose, can be by adjusting the axial span of groove 2 sidewall, because contact is not one to be under pressure and will change state, stroke above is idle stroke, further, select the detection switch with certain time-delay to coordinate and realize this purpose.

Anti-accidental movement system actual motion flow process as shown in Figure 4 and Figure 5, elevator controlling mainboard has motor control signal and sends module, motor can be controlled to rotate by elevator controlling mainboard, detection switch 13 is connected with the transmission of elevator controlling mainboard, can transmit signal to elevator controlling mainboard, elevator controlling mainboard has detection switching signal receiver module can receive the signal of Autonomous test switch 13.When lift car leveling, elevator controlling mainboard will detect flat bed signal: flat bed magnetic isolation plate detects normal signal；Rotary encoder through signals is correct；Safety return circuit does not has exception；nullThese signals above-mentioned belong to original signal of elevator，In the case of above-mentioned signal is normal，Elevator device just can carry out flat bed action，Simultaneously，When detection switch does not triggers state，Motor control signal on elevator control panel sends module transmitting signal control motor and rotates forward，Driven by motor flange rotating disk rotates，Latch is driven to move to stretch into the extreme position of pin hole，At this moment the contact abjection groove of switch is detected，Detection switch is triggered and launches signal to elevator controlling mainboard，Elevator controlling mainboard detects that the signal of detection switch changes，Control motor stopping，Shut down band brake apparatus effect，Motor stalling，Latch is parked in the extreme position stretching into pin hole，Car will not move and open the door，After elevator turnover people or thing，Car is closed the door，Switch of weighing at the bottom of sedan-chair is the most overweight in detecting car，If meeting elevator loading，Overload signal will not be sent，When elevator-mainboard detects the signal that puts in place: flat bed magnetic isolation plate detects normal signal；Weighing device does not reports overload；Safety return circuit does not has exception；Meanwhile, the detection switch at conehead is in triggering state；Elevator controlling mainboard sends signal control motor and rotates backward; latch leaves pin hole and regains; and make the groove on latch move to detection switch; detection switch is no longer triggered; the signal of detection switch disconnects; elevator controlling mainboard controls motor and stops, and shuts down band brake apparatus effect, and elevator controlling mainboard allows elevator to continue to run with.nullThose skilled in the art just can design control circuit according to above-mentioned control mode without creative work，Elevator controlling mainboard is when flat bed，When making the instruction that traction machine is shut down，Control electric machine rotation simultaneously and belong to routine techniques，Principle with the electric machine rotation with shutdown that control driving traction machine is the same in fact，And，Control motor stalling when the signal of the detection switch that elevator controlling mainboard receives changes and fall within routine techniques，In like manner，The most above-mentioned condition of those skilled in the art can not spend creative work just to design satisfactory control circuit，Receive the signal meeting elevator loading at elevator controlling mainboard while，Trig control signal，Motor is rotated at this，Fall within routine techniques，Equally，Control motor stalling when the signal of the detection switch that elevator controlling mainboard receives changes again and equally belong to routine techniques，The control technology of above-mentioned routine only need to be added in the circuit of elevator controlling mainboard by those skilled in the art，Therefore，Here，Circuit composition and connected mode are the most no longer described in detail in detail，And，Nonetheless，Technology is also open sufficient.

Pin hole base plate in the present embodiment is fixed on guide rail, it is also possible to be directly anchored on well enclosure.

Motor in the present embodiment is by the way of decelerator is in transmission connection with flange rotating disk: the directly rotating shaft with flange rotating disk of the output shaft of decelerator is connected by shaft coupling, can also be connected by gear drive, the output shaft of decelerator is joined directly together with the rotating shaft of driving gear, and the rotating shaft of the rotating shaft of driven gear and flange rotating disk is joined directly together, or driven gear is set directly in the rotating shaft of flange rotating disk, even can connect the outer rim of rotating disk in method and the gear teeth coordinated with driving gear are set, thus drive flange rotating disk to rotate.It addition, the kind of drive of decelerator and flange rotating disk can also is that other modes being suitable in prior art.

The present embodiment is according to illustrating of making this utility model, and is not that corresponding structure can be not provided with in other embodiments to restriction of the present utility model, the function in need not appended claims.

Any technical scheme carried out technical characteristic of the present utility model obtained by equivalent falls within the scope of this utility model protection.

Claims (6)

1. the elevator device of an anti-accidental movement, including the guide rail being arranged in hoistway and the car being slidably arranged on guide rail, the upper and lower of car is respectively arranged with crossbeam, two crossbeams be respectively arranged at two ends with left vertical beam and right vertical beam, it is characterized in that: the middle part of a crossbeam rotates and is provided with flange rotating disk, flange rotating disk is driven rotating by the motor being fixed on crossbeam, motor is connected with flange rotating disk transmission by decelerator, shutdown band brake apparatus it is provided with at the output shaft of motor, outer rim position symmetry at flange rotating disk rotates and is provided with connecting rod, the other end of connecting rod is hinged with latch, the free end of latch is the reducing conical surface towards termination, nullLatch is slidedly assemblied on crossbeam，It is equipped with pin hole base the level position of car is fixing on guide rail，The pin hole that the conical surface section for latch stretches into is offered on pin hole base，The hole wall of pin hole is the conical surface that the conical surface section with latch matches，Latch stretches into pin hole at its extreme position moved、Another extreme position abjection pin hole，The tapering of latch is more than the angle of friction of latch with the friction pair of pin hole composition，Detection switch it is equipped with on crossbeam，The groove freely stretched into when latch abjection pin hole is offered for the contact of detection switch on latch，Outside latch, move the contact of detection switch when stretching in pin hole deviate from by groove and depressed by latch，The sidewall of groove is for convenience of the inclined-plane of contact abjection，Detection switch is connected with the transmission of elevator controlling mainboard，Elevator controlling mainboard controls to be connected with motor，There is on elevator controlling mainboard motor control signal and send module and detection switching signal receiver module，After elevator controlling mainboard receives flat bed signal，And when detecting the triggering signal that switching signal receiver module is not received by detection switch，Elevator controlling mainboard controls motor and rotates forward until detection switching signal receiver module receives the triggering signal of detection switch，Close behind the door at lift car、After elevator controlling mainboard detects signal in place，And when can receive the triggering signal of detection switch，Elevator controlling mainboard controls motor and rotates backward until detection switching signal receiver module receives the cut-off signal of detection switch，Motor rotates drive flange rotating disk every time and rotates 1/4 circle.

The elevator device of anti-accidental movement the most according to claim 1, it is characterised in that: described pin hole base is fixed on hoistway by guide rail, and pin base is fixed on guide rail by pressure guide plate.

The elevator device of anti-accidental movement the most according to claim 2, it is characterised in that: described flange rotating disk rotates assembling with connecting rod by oscillating bearing.

The elevator device of anti-accidental movement the most according to claim 3, it is characterised in that: described connecting rod rotates assembling with latch also by oscillating bearing.

5. according to the elevator device of the anti-accidental movement described in claim 1 or 2 or 3 or 4, it is characterized in that: described connecting rod is Split type structure, union joint and middle screw mandrel including two ends, the two ends of screw mandrel are provided with external screw thread, the termination of two union joints has tapped blind hole, and the two ends of screw mandrel screw in the screwed hole blind hole of two union joints.

The elevator device of anti-accidental movement the most according to claim 5, it is characterised in that: the bottom surface of described groove is plane.