CN106829680A - Rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety catch - Google Patents

Rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety catch Download PDF

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Publication number
CN106829680A
CN106829680A CN201611221139.4A CN201611221139A CN106829680A CN 106829680 A CN106829680 A CN 106829680A CN 201611221139 A CN201611221139 A CN 201611221139A CN 106829680 A CN106829680 A CN 106829680A
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CN
China
Prior art keywords
movable rack
jacking equipment
electromagnetism
arm lever
jacking
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CN201611221139.4A
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Chinese (zh)
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CN106829680B (en
Inventor
廖忠民
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Tianjin Jinhang Computing Technology Research Institute
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廖忠民
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Classifications

    • 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
    • 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
    • B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
    • 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
    • B66B5/028—Safety devices separate from control system in case of power failure, for hydraulical lifts, e.g. braking the hydraulic jack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/24—Operating devices
    • B66D5/30—Operating devices electrical

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

A kind of rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety catch, movable rack can be moved horizontally or be maintained in some defined locations on rail assembly, movable rack top contacts load-bearing after on-position is entered with the main load-carrying members directly contact of jacking equipment car or by middle transition load-supporting part, and the operating mechanism manipulation activities tooth bar of movable rack is moved horizontally or stopped on orbit hole and is maintained in some defined locations；Described defined location, including drive the application position that engage of tooth bar or completely disengaged with jacking equipment driving tooth bar and have the free position of an intersegmental gap with jacking equipment；Flat bed control is carried out using tooth bar engagement system and safeguard protection is braked, played and significantly improve leveling accuracy and keep precision, and improve the beneficial effect that quality is braked in safeguard protection.

Description

Rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety catch
Technical field
The present invention relates to the flat bed control of jacking equipment and safety catch field, more particularly to a kind of rack-and-pinion Jacking equipment electromagnetism pulls flat bed control safety catch.
Background technology
The flat bed control of existing rack-and-pinion jacking equipment is to continue to use being detected by sensor for traction-type jacking equipment The method of electrical control friction catch is coordinated to realize, and due to detecting performance drift and friction means the friction system of control element Several changes, langding accuracy can change；The characteristics of indeed according to pinion and-rack jacking equipment in itself, there can be flat bed The flat bed control measure for keeping precision more stable；The safety arrestment measure of existing pinion and-rack jacking equipment, or By to motor shaft brake or be to be realized by the method for the braking to gear shaft, these methods belong to friction catch side Formula, is present probably due to the potential safety hazard that causes of friction material abrasion or oil pollution etc., if drive gear occurs in addition Problem, then foregoing method is just helpless, and drive gear occurs what problem was possible to, therefore, to improve security Can, pinion and-rack jacking equipment must configure reliable coping with including drive gear be there is problem and is similar to safe asking The safety catch of topic.
The content of the invention
The purpose of the present invention, is to provide a kind of flat bed and keeps stable accuracy, and the flat bed that can reliably brake is controlled and pacified Full application of brake device.
A kind of rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety catch, and (hereinafter referred to as electromagnetism pulls flat bed Control safety catch), including, load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, movable rack Operating mechanism, the control device of the operating mechanism of movable rack, hand-operating unlocking mechanism；Described load-supporting part includes directly holding Heavy parts or middle transition load-supporting part；Described rail assembly (referring to Fig. 1) includes upper rail 15 (in Fig. 1 and load receiving part Part), lower rail 18 formed horizontal rail, track window aperture 11；Movable rack passes through track window aperture 11, described movable rack Including left movable rack 12 and right movable rack 16, being in the tooth form of the part for driving tooth bar 17 to be associated for movable rack can With the position that the driving tooth bar 17 with jacking equipment engages or be separate, moved horizontally by the horizontal rail of rail assembly Or be maintained in some defined locations realize with driving tooth bar engagement or separate, described defined location, including Drive the application position (referring to Fig. 1) that engage of tooth bar with jacking equipment or be kept completely separate with jacking equipment driving tooth bar and There is the free position (referring to Fig. 2) of an intersegmental gap, described has an intersegmental gap, refer to drive tooth bar and movable teeth corresponding thereto Bar tooth top interplanar has >=distance of 2mm；The position-limit mechanism of described movable rack, including, movable rack is connected with guide rail At least one direction of the inner face either above or below of the part of system is provided with guiding breach, (referring to Fig. 3), with movable rack lid A part for plate (left cover 13, right cover plate are dismantled and drawn) is collectively forming gathering sill 28, and the part of guide plate 29 is fixed on In horizontal rail, gathering sill 28 is partly into, gathering sill 28 is dynamic cooperation with the mating part of guide plate 29, to prevent activity Outside or inner side play of the tooth bar to car；Load-bearing of the movable rack top after on-position is entered with jacking equipment car Part directly contact (is load-supporting part and the directly contact of upper rail 15 in Fig. 1 by the contact load-bearing of middle transition load-supporting part Load-bearing)；The operating mechanism manipulation activities tooth bar of movable rack is moved horizontally or stopped on orbit hole and is maintained at some determinations Position on, the control device of the operating mechanism of described movable rack includes, electromagnetism puller and its control system, described The control system of electromagnetism puller is powered and is controlled by jacking equipment electric-control system；Described jacking equipment electromagnetism pulls flat bed control Safety catch processed, including the electromagnetism for directly being set on jacking equipment car pulls flat bed control safety catch, or Person is separately provided component, the independent electromagnetic being then fitted on jacking equipment and pulls flat bed control safety catch.
Fig. 1 is that a kind of jacking equipment electromagnetism for directly being set on jacking equipment pulls flat bed control safety catch Structural representation, it is illustrated that direction is that jacking equipment electromagnetism pulls flat bed control safety catch to be directly installed on jacking equipment sedan-chair Railway carriage or compartment 30 is on the side of inside car 30 of certain one side for driving tooth bar 17, from inside car 30 toward institute in terms of the side of car 30 See, so for driving tooth bar 17 to can only see its sub-fraction for passing through the display of track window aperture 11, right movable rack 16 is unloaded Cover plate has been opened, so that its internal structure can be seen clearly, the combination of the right movable rack after right cover plate and left movable rack 12 plus a left side has been covered The combination of cover plate 13 is similar, the two be with tooth bar in the middle of center chain-dotted line 14 represent perpendicular to the vertical of tooth bar projection plane Median plane is the mirror symmetric figure of symmetrical plane, and Fig. 1 is shown movable rack and the application position for driving tooth bar 17 to engage, figure 2 is electromagnetism schematic diagram of the pulling rack-and-pinion safety catch in free position state described in Fig. 1；Described one kind is directly On jacking equipment set jacking equipment electromagnetism pull flat bed control safety catch, including load-supporting part, rail assembly, Movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the control device of the operating mechanism of movable rack, Hand-operating unlocking mechanism；Described load-supporting part includes upper rail and main load-supporting part 15；Described rail assembly includes track window The horizontal rail that hole 11, upper rail and main load-supporting part 15 and lower rail 18 are formed；Described movable rack includes right movable rack 16 With left movable rack 12, described right movable rack 16 and left movable rack 12 pass through track window aperture 11, movable rack with The tooth form of the part that driving tooth bar is associated is in the position that can be engaged or be separate with the driving tooth bar 17 of jacking equipment, leads to Cross to be moved horizontally in the horizontal rail of rail assembly or be maintained at and realized in some defined locations and drive tooth bar 17 Engagement is separated, and the upper rail of right movable rack 16 and the top of left movable rack 12 with lift car after on-position is entered is simultaneous The directly contact load-bearing of main load-supporting part 15, movable rack is dynamic cooperation with the fit dimension of horizontal rail, and contact surface is smooth Low coefficient of friction surfaces, to be conducive to the movement of movable rack；Fig. 3 is the A-A partial sectional views of Fig. 1, described movable rack Position-limit mechanism, including, the inner face of the part that movable rack is associated with guide rail top is provided with guiding breach, with movable teeth A part for bar cover plate (left cover 13, right cover plate do not have draw) is collectively forming gathering sill 28, and the part of guide plate 29 is fixed on In horizontal rail 15, gathering sill 28 is partly into, gathering sill 28 is dynamic cooperation with the mating part of guide plate 29, to prevent from living Outside or inner side play of the carry-over bar to car 30；The operating mechanism of described movable rack, including, it is driven pivot pin 4, pulling block 5th, mounting hole 3, pull bar 6, support 7, spring 8, adjusting nut group 9, jacking block 10, the movable axis 21 set on pulling block 5, left single armed The hinge component of lever 31, left movable mandrel 32 and left double-arm lever 34, right single-arm lever 37, right movable mandrel 36 and right both arms The hinge component of lever 35, fixing axle 33；The operating mechanism course of work of movable rack by movable rack operating mechanism control Device processed control, the control device of the operating mechanism of described movable rack includes, electromagnetic draw bar 2, electromagnetism puller main body 1, Electromagnetic system, the control system of described electromagnetism puller main body including electromagnetism puller, the control of described electromagnetism puller System is powered and is controlled by jacking equipment electric control system；The electromagnetism puller of described jacking equipment electric control system Also including one only by the relay or contactor and energy storage device of general supply control in control unit, described only receives total electricity The relay of source control or the normally-closed contact of contactor are connected across between electromagnetism puller and energy storage device, and jacking equipment obtains electric When, normally-closed contact disconnects, and the connection between electromagnetism puller and energy storage device also disconnects, energy storage device energy storage；Jacking equipment loses When electric, other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, but electromagnetism draws Dynamic device not dead electricity immediately, it is described only by the relay or contactor normally-closed contact dead electricity closure of general supply control, make electricity Magnetic puller is connected with energy storage device, and energy storage device is to time delay (discharge time) constant design tuning of electromagnetism puller Other electricity-loss braking devices individually complete braking time and the operating mechanism of electromagnetism puller and movable rack that braking needs Act the difference of total delay time；For example, other electricity-loss braking devices of certain jacking equipment individually complete the system that braking needs The dynamic time is 3.5S, and the action total delay time of the operating mechanism of electromagnetism puller and movable rack is 0.2S, then energy storage device Time delay constant design tuning to electromagnetism puller is (3.5S-0.2S=) 3.3S, after the completion of energy storage device time delay, electromagnetism Puller dead electricity；When jacking equipment general supply is disconnected without electricity (including energy storage device energy release after original state or dead electricity State afterwards), jacking equipment remains static；The operating mechanism course of work of movable rack is, when electromagnetism puller main body 1 During dead electricity, the electromagnet pull of electromagnetic draw bar 2 is disappeared, electromagnetic draw bar 2 and the transmission pivot pin 4 being fixed thereon by mounting hole 3, Pulling block 5, pull bar 6 are transferred to the pulling force of jacking block 10 and also disappear simultaneously, jacking block 10 by the elastic force of spring 8 it is up and drive pull bar 6, Pulling block 5 is up together, and the movable axis 21 being fixed on jacking block 10 follows the left side that jacking block 10 is up, be driven around on movable axis 21 The open end of the open end of single-arm lever 31 and right single-arm lever 37 is up, drive left single-arm lever 31, left movable mandrel 32 with The hinge component of left double-arm lever 34, and right single-arm lever 37, right movable mandrel 36 and right double-arm lever 35 hinge component, around Fixing axle 33 is rotated, and left double-arm lever 34, the lower end of right double-arm lever 35 are opened toward the left and right sides, and left double-arm lever upper end drives Left movable rack 12, right double-arm lever upper end drive right movable rack 16 to drive the movement of the center position of tooth bar 17 toward jacking equipment, Until driving the at a fully engaged application position of tooth bar 17 with jacking equipment, jacking equipment is braked；At the same time, electromagnetic draw bar 2 Resetted upwards in the presence of electromagnetism puller internal reset mechanism, arrival make transmission pivot pin 4 and mounting hole about 3 arc surface it is equal There is the position in gap；When electromagnetism puller main body 1 it is electric when, the electromagnet pull of electromagnetic draw bar 2 is produced, electromagnetic draw bar 2 with it is solid The transmission pivot pin 4 being scheduled on thereon pulls pulling block 5, pull bar 6, jacking block 10 descending by mounting hole 3, while compression spring 8, is fixed on Movable axis 21 on jacking block 10 follow jacking block 10 it is descending, while pulling the opening for being centered around left single-arm lever 31 on movable axis 21 End and right single-arm lever 37 open end it is descending, while pull left double-arm lever 34, right double-arm lever 35 lower end from left and right two Toward middle movement, left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive right movable rack 16 past for side The direction movement that jacking equipment drives tooth bar 17 center is left, until driving tooth bar 17 to be kept completely separate and having one small with jacking equipment The free position of intersegmental gap；Described a bit of gap, refers to 2~5mm gaps；Adjusting nut group 9 is used to adjust the pressure of spring 8 Power, support 7 fixes the extreme lower position of the lower surface of spring 9；If there is abnormal conditions, the unexpected power down of such as jacking equipment or Person is because of jacking equipment overspeed protective device action power dump or because jacking equipment reaches the limit of guarded by location device and moves Cut off the electricity supply etc., the mistake that now jacking equipment general supply is carried without electricity, other electricity-loss braking devices including motor immediately Electric band brake apparatus play a role braking, after the completion of energy storage device time delay, electromagnetism puller main body dead electricity, to electromagnetic draw bar immediately 2 electromagnet pull disappearance, up jacking block 10, left movable rack 12, right movable rack 16 and drive the positive engagement of tooth bar 17, it is ensured that The safety of jacking equipment；In the case of brake hard, left movable rack 12, right movable rack 16 at the beginning may be with driving tooth bars 17 do not have at a fully engaged, the peak of tooth bar may occur when worst situation is braking as shown in Figure 4 and peak connects Tactile situation, now temporarily becomes friction catch under elastic force effect, if the now braking of jacking equipment whole brake apparatus Torque is added up and is enough to realize braking, and braking task is completed；If now the braking moment of jacking equipment whole brake apparatus adds The prevention jacking equipment that to get up all be not enough to glides, (because there is braking moment to act on, just starting the meeting of downslide slower), when When slipping down to the position of stagger peak and peak, left movable rack 12, right movable rack 16 will be squeezed under elastic force promotion Enter to drive in the teeth groove of tooth bar 17 (referring to Fig. 5), then as continuing to glide, continue to clamp-on, until left movable rack 12, right work Carry-over bar 16 and the driving positive engagement of tooth bar 17, implement braking；Described electromagnetism puller is a kind of selected working method to draw The long-stroke push-and-pull electromagnet of flowing mode, is a kind of new Electromagnetic Control action executing device, using power supply power-up control conversion, High-power start, the working method that small-power is maintained, can directly use alternating current, than producing the old-fashioned of onesize active force Electromagnet volume is smaller, deadweight lighter, more power saving.
Described hand-operating unlocking mechanism, including, the combination 24, drive screw 25 of clasp nut control crank 23, clasp nut, Worm screw control crank 26, worm type of reduction gearing 27, wherein clasp nut combination 24 with pulling block 9 to be fixedly connected, drive screw 25 is to be fixedly connected with the worm gear of worm type of reduction gearing 27, and usual, clasp nut control crank 23 is placed in and opens a sluice gate position, folding Nut combination 24 in open a sluice gate the male thread of state, its box thread and drive screw 25 without engaging, drive screw 25 is to folding spiral shell The motion of mother's combination 24 has no effect, so that hand-operating unlocking mechanism pulls flat bed to control the motion of safety catch electromagnetism Have no effect, when jacking equipment because have a power failure suddenly or other reason brake hards rest in can not be with any one stop During the position of flat bed, now can clasp nut control crank 23 be placed in closing position, make clasp nut combine 24 in close a floodgate State, its box thread normally engage with the male thread of drive screw 25, manually operate worm screw control crank 26, subtract worm and gear Fast device 27 is rotated and drives drive screw 25 to rotate, the transmission clasp nut of drive screw 25 combination 24 is moved up, clasp nut Combination 24 drive jacking blocks 10 move down, the movable axis 21 being fixed on jacking block 10 follow jacking block 10 it is descending, while pull around The open end of the left single-arm lever 31 on movable axis 21 and the open end of right single-arm lever 37 are descending, while pulling left both arms thick stick , from the left and right sides toward middle movement, left double-arm lever upper end drives left movable rack 12, the right side for bar 34, the lower end of right double-arm lever 35 Double-arm lever upper end drives right movable rack 16 toward the direction movement for leaving jacking equipment and driving the center of tooth bar 17, until with lifting Device drives tooth bar 17 is kept completely separate and has the free position in a bit of gap；Then Manual jigger mechanism is used, lifting is set Standby flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open, and has formulated regulations System and strictly implement, it is ensured that only possess qualification, authorized personnel could open and use.
Fig. 6 is the movable rack schematic diagram with the tooth form of the part for driving tooth bar to be associated for only producing movable rack, Conduct oneself with dignity to save material and mitigating, the tooth with the part for driving tooth bar to be associated of movable rack tooth form only manufacturing activities tooth bar Shape, is not omitted along inside the close jacking equipment car in facewidth B directions, part with the part for driving tooth bar to contact, (what Fig. 6 drew is right movable rack, and left movable rack is mirror symmetric figure with right movable rack), certainly, owns as shown in Figure 6 There is round-corner transition tooth form root, to reduce stress concentration；Described movable rack tooth form facewidth B should be greater than driving rack tooth It is wide.
Flat bed is pulled to control each possible braking anchor point of jacking equipment of safety catch using electromagnetism of the invention The distance between be that it drives the integral multiple of tooth bar tooth pitch (p=π m), therefore be configured with electromagnetism of the invention and pull flat bed control The installation method of the jacking equipment of safety catch includes, when carrying out and install relevant early stage civil engineering, it is necessary to pass through Difference in height to stop and stop carries out accurate measurement, each stop sill is constructed and controls accordingly and accurately stop and layer The difference in height of plane is the integral multiple of driving tooth bar tooth pitch (p=π m) on sill between standing, and according to the regulation of GB/T10058, is permitted Perhaps error is ± 10mm (construction internally controlling requirement should be less than this error amount)；When jacking equipment is installed, sliding tooth is correctly adjusted The position of bar so that jacking equipment just stops leveling accuracy from ground floor and in median, then later stop flat bed is with regard to energy Enough meet the requirements, or even when other indivedual flat bed element failures, also can guarantee that stop leveling accuracy；And flat bed Keeping precision can be much better than the requirement of ± 20mm of GB/T10058 regulations.
Fig. 7 is that described rack-and-pinion jacking equipment electromagnetism pulls flat bed to control a kind of independent electromagnetic of safety catch Flat bed is pulled to control the schematic diagram of safety catch, picture is the view for having shed base plate, the planar peripheral chi of base plate in figure Very little not have track window aperture 50 above it from unlike panel 49 such as panel 49, certain base plate must also have enough Weight capacity；A kind of described independent electromagnetic pulls flat bed control safety catch, including by supporting frame 48, installation The separate space that base plate, panel 49 are surrounded, rail assembly, movable rack in described separate space, movable rack Operating mechanism, the control device of operating mechanism, the component of middle transition load-supporting part；Described rail assembly includes upper rail 46 Horizontal rail, the track window aperture 50 formed with lower rail 47, described movable rack include left movable rack 12, right movable rack 16；The operating mechanism of described movable rack, including, transmission pivot pin 4, pulling block 5, the mounting hole 3, pull bar set on pulling block 5 6th, support 7, spring 8, adjusting nut group 9, jacking block 10, movable axis 21, left single-arm lever 31, left movable mandrel 32 and left both arms thick stick The hinge component of bar 34, the hinge component of right single-arm lever 37, right movable mandrel 36 and right double-arm lever 35, fixing axle 33；It is living The operating mechanism course of work of carry-over bar is controlled by the control device of the operating mechanism of movable rack, the behaviour of described movable rack The control device of vertical mechanism includes that electromagnetic draw bar 2, electromagnetism puller main body 1, described electromagnetism puller main body are drawn including electromagnetism Electromagnetic system, the control system of dynamic device, the control system of described electromagnetism puller are powered and are controlled by jacking equipment electric-control system System；Also include one in the control unit of the electromagnetism puller of described jacking equipment electric control system only to be controlled by general supply Relay or contactor and energy storage device, it is described only by the relay or the normally-closed contact of contactor of general supply control It is connected across between electromagnetism puller and energy storage device, when jacking equipment obtains electric, normally-closed contact disconnects, electromagnetism puller and energy storage are filled Connection between putting also disconnects, energy storage device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices are carried including motor Dead electricity band brake apparatus play a role immediately braking, but electromagnetism puller not dead electricity immediately, described only receives general supply control Relay or contactor normally-closed contact the dead electricity closure of system, make electromagnetism puller be connected with energy storage device, and energy storage device is to electricity Time delay (discharge time) constant design tuning of magnetic puller is that other electricity-loss braking devices individually complete what braking needed The difference of the action total delay time of the operating mechanism of braking time and electromagnetism puller and movable rack；For example, certain lifting Other electricity-loss braking devices of equipment individually complete braking time that braking needs for 3.5S, electromagnetism puller and movable rack The action total delay time of operating mechanism is 0.2S, then energy storage device is to the time delay constant design tuning of electromagnetism puller (3.5S-0.2S=) 3.3S, after the completion of energy storage device time delay, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity When (including the state after original state or dead electricity after the release of energy storage device energy), jacking equipment remains static；Activity The operating mechanism course of work of tooth bar is, when electromagnetism puller 1 dead electricity of main body, the electromagnet pull to electromagnetic draw bar 2 disappears, electricity Magnetic pull bar 2 and the transmission pivot pin 4 being fixed thereon are transferred to the pulling force of jacking block 10 also simultaneously by mounting hole 3, pulling block 5, pull bar 6 Disappear, jacking block 10 is up by the elastic force of spring 8 and drives pull bar 6, pulling block 5 up together, is fixed on the activity on jacking block 10 Axle 21 follows open end and the right single-arm lever 37 of jacking block 10 is up, be driven around on movable axis 21 left single-arm lever 31 Open end is up, drives the hinge component of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34, and right single-arm lever 37th, right movable mandrel 36 and the hinge component of right double-arm lever 35, rotate around fixing axle 33, left double-arm lever 34, right both arms thick stick The lower end of bar 35 is opened toward the left and right sides, and it is right that left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive Movable rack 16 drives the movement of the center position of tooth bar 17 toward jacking equipment, until driving tooth bar 17 at a fully engaged with jacking equipment Application position, brakes to jacking equipment；At the same time, electromagnetic draw bar 2 in the presence of electromagnetism puller internal reset mechanism to Upper reset, arrival make transmission pivot pin 4 and mounting hole about 3 arc surface have the position in gap；When electromagnetism puller main body 1 obtains electric When, the electromagnet pull to electromagnetic draw bar 2 is produced, and electromagnetic draw bar 2 is pulled with the transmission pivot pin 4 being fixed thereon by mounting hole 3 Pulling block 5, pull bar 6, jacking block 10 are descending, while compression spring 8, the movable axis 21 being fixed on jacking block 10 follow jacking block 10 it is descending, Pull the open end of the open end and right single-arm lever 37 for being centered around left single-arm lever 31 on movable axis 21 descending simultaneously, while Pull the lower end of left double-arm lever 34, right double-arm lever 35 from the left and right sides toward middle movement, left double-arm lever upper end drives left Movable rack 12, right double-arm lever upper end drive right movable rack 16 to be moved toward the direction for leaving jacking equipment driving tooth bar 17 center It is dynamic, until driving tooth bar 17 to be kept completely separate and have the free position in a bit of gap with jacking equipment；Described a bit of gap, Refer to 2~5mm gaps；Adjusting nut group 9 is used to adjust the pressure of spring 8, and support 7 fixes the lowest order of the lower surface of spring 9 Put；Described hand-operating unlocking mechanism, including, the combination 24, drive screw 25, worm screw of clasp nut control crank 23, clasp nut Control crank 26, worm type of reduction gearing 27, wherein clasp nut combination 24 with pulling block 9 to be fixedly connected, the and of drive screw 25 To be fixedly connected, usual, clasp nut control crank 23 is placed in and opens a sluice gate position, clasp nut the worm gear of worm type of reduction gearing 27 Combination 24 in open a sluice gate the male thread of state, its box thread and drive screw 25 without engaging, drive screw 25 is to clasp nut group Close 24 motion have no effect so that hand-operating unlocking mechanism to electromagnetism pull flat bed control safety catch motion without appoint What influences, when jacking equipment because have a power failure suddenly or other reason brake hards rest in can not be with any one stop flat bed Position when, now can clasp nut control crank 23 be placed in closing position, make clasp nut combine 24 in "on" position, Its box thread normally engages with the male thread of drive screw 25, manually operates worm screw control crank 26, makes worm type of reduction gearing 27 are rotated and drive drive screw 25 to rotate, the transmission clasp nut of drive screw 25 combination 24 is moved up, clasp nut combination 24 drive jacking blocks 10 move down, the movable axis 21 being fixed on jacking block 10 follow jacking block 10 it is descending, while pulling be centered around work The open end of the left single-arm lever 31 on moving axis 21 and the open end of right single-arm lever 37 are descending, while pulling left double-arm lever 34th, the lower end of right double-arm lever 35 is from the left and right sides toward middle movement, and the left movable rack 12 of left double-arm lever upper end drive, the right side are double Arm bar upper end drives right movable rack 16 toward the direction movement for leaving jacking equipment driving tooth bar 17 center, until being set with lifting It is standby to drive tooth bar 17 to be kept completely separate and have the free position in a bit of gap；Then Manual jigger mechanism is used, makes jacking equipment Flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open, and has formulated regulations system Spend and strictly implement, it is ensured that only possess qualification, authorized personnel could open and use；Described one kind is independent Electromagnetism pulls flat bed control safety catch, its course of work and described in [0005] section, [0006] section, [0007] section section Planting the rack-and-pinion jacking equipment electromagnetism for directly being set on jacking equipment pulls flat bed control safety catch identical.
A kind of elevator, it is characterized in that, it is mounted with that rack-and-pinion jacking equipment electromagnetism of the present invention pulls flat bed control Safety catch, described jacking equipment electromagnetism pulls flat bed control safety catch, including directly in jacking equipment sedan-chair The electromagnetism set on railway carriage or compartment pulls flat bed control safety catch, or is separately provided component, is then fitted on jacking equipment Independent electromagnetic pull flat bed control safety catch；The all technical characteristics of the present invention are mounted with this hair suitable for described Bright described rack-and-pinion jacking equipment electromagnetism pulls flat bed to control the elevator of safety catch.
The present invention carries out flat bed control using electromagnetism pulling tooth bar engagement system, and its leveling accuracy can reach and be better than GB/T10058-2009 regulation ± 10mm requirement, keep precision can reach be much better than GB/T10058-2009 regulation ± The requirement of 20mm；Safeguard protection braking is carried out using tooth bar engagement system, it is to avoid existing friction catch mode is likely to occur Because the potential safety hazard that causes of friction material abrasion or oil pollution etc., improves the reliability of safety arrestment；Even if meeting See that drive gear occurs the situation of problem, also can reliably brake, it is ensured that safety；Structure is simpler, and deadweight is relatively light, is significantly increased Safeguard protection braking quality, raising runnability, the beneficial effect of energy saving.
Brief description of the drawings
Fig. 1 is that a kind of electromagnetism for directly being set on jacking equipment pulls flat bed to control the structural representation of safety catch Figure.
Fig. 2 is that the electromagnetism described in Fig. 1 pulls flat bed control safety catch to be in the schematic diagram of free position state.
Fig. 3 is the A-A partial sectional views of Fig. 1.
Fig. 4 may occur the peak of tooth bar and peak contact condition schematic diagram when being braking.
Fig. 5 is left movable rack, right movable rack in the teeth groove that jacking equipment drives tooth bar is clamp-oned under elastic force is promoted Schematic diagram.
Fig. 6 is the movable rack schematic diagram with the tooth form of the part for driving tooth bar to be associated for only producing movable rack.
Fig. 7 is that a kind of independent electromagnetic pulls flat bed to control the schematic diagram of safety catch.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is that the electromagnetism that is provided with of embodiment 1 pulls the jacking equipment of flat bed control safety catch to be in braking solution Except the situation schematic diagram of state.
Figure 10 is the schematic diagram of embodiment 2.
Figure 11 is the schematic diagram in embodiment 2 when electromagnetism pulls flat bed control safety catch to be in free position.
Specific embodiment
Embodiment 1, Fig. 8 for embodiment 1 schematic diagram, drawing show be jacking equipment side outward appearance, described gear Gear rack elevating installation electromagnetical pulls flat bed control safety catch to be arranged on pinion and-rack jacking equipment temporarily in system The situation of dynamic state, Fig. 9 is that the described rack-and-pinion jacking equipment electromagnetism that is provided with of embodiment 1 pulls flat bed control safety system The jacking equipment of dynamic device is in the situation schematic diagram during brake release state, jacking equipment prepare operation or be currently running, (left and right described in figure above is that from terms of the past jacking equipment side in jacking equipment the inside, Fig. 8, Fig. 9 are to be set toward lifting from the outside Standby side is seen, so left and right directions is just anti-phase), described rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety arrestment Device is closely connected with jacking equipment load-carrying members, directly contact or by middle transition component contact load-bearing, use it is flat The explanation of layer control and its internal structure each several part of safety catch composition and effect is as shown in Fig. 1~6, and [0005] Described in section, [0006] section, [0007] section, due to being related to the matching coordinative of multiple transmission systems, so should in manufacture and installation Pay special attention to workmanship and installation quality, including it is necessary ready-made including accurate control stop and stop described in [0008] section Between on sill plane difference in height to drive the relevant work of the integral multiple of tooth bar tooth pitch (p=π m), it is ensured that necessary precision, After detection is qualified, could trial operation；The electric control system of jacking equipment uses embedded system as master control system, its work Process is, when system is without electricity, the dead electricity of electromagnetism puller main body 1, the electromagnet pull of electromagnetic draw bar 2 is disappeared, electromagnetic draw bar 2 with The transmission pivot pin 4 being fixed thereon also is disappeared simultaneously by the pulling force that mounting hole 3, pulling block 5, pull bar 6 are transferred to jacking block 10, jacking block 10 receive the elastic force of spring 8 up and drive pull bar 6, pulling block 5 up together, and the movable axis 21 being fixed on jacking block 10 follows top On the open end of the left single-arm lever 31 that block 10 is up, be driven around on movable axis 21 and the open end of right single-arm lever 37 OK, the hinge component of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34, and right single-arm lever 37, right work are driven Moving mandrel 36 and the hinge component of right double-arm lever 35, rotate, under left double-arm lever 34, right double-arm lever 35 around fixing axle 33 Hold toward the left and right sides and open, left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive right movable rack 16 drive the movement of the center position of tooth bar 17 toward jacking equipment, until driving the at a fully engaged retarder location of tooth bar 17 with jacking equipment Put, jacking equipment is braked；With at the same time, electromagnetic draw bar 2 is multiple upwards in the presence of electromagnetism puller internal reset mechanism Position, arrival make transmission pivot pin 4 and mounting hole about 3 arc surface have the position in gap；When jacking equipment prepares to start, lifting The drive system of the electric control system control jacking equipment of equipment drives jacking equipment to move up a distance element, makes load-bearing The lower plane of part and upper rail 15 has a microgap with the upper plane of right movable rack 16 and left movable rack 12, and described is micro- The numerical value in gap is 0.2~0.6 times that left movable rack 12, right movable rack 16 and jacking equipment drive the sideshake of tooth bar 17；So The electric control system control electromagnetism puller main body 1 of jacking equipment obtains electric afterwards, and the electromagnet pull to electromagnetic draw bar 2 is produced, electricity Magnetic pull bar 2 pulls pulling block 5, pull bar 6, jacking block 10 descending with the transmission pivot pin 4 being fixed thereon by mounting hole 3, while compression Spring 8, the movable axis 21 being fixed on jacking block 10 follow jacking block 10 it is descending, while pulling the left single armed that is centered around on movable axis 21 The open end of the open end of lever 31 and right single-arm lever 37 is descending, while pulling left double-arm lever 34, right double-arm lever 35 Lower end is from the left and right sides toward middle movement, and it is right that left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive Movable rack 16 drives the direction movement at the center of tooth bar 17 toward jacking equipment is left, until driving tooth bar 17 complete with jacking equipment Separate and have the free position in a bit of gap；Described a bit of gap, refers to 2~5mm gaps；Adjusting nut group 9 is used for The pressure of spring 8 is adjusted, support 7 fixes the extreme lower position of the lower surface of spring 9；If there is abnormal conditions, such as lifting sets Cut for unexpected power down or because of the action of jacking equipment overspeed protective device is in the horizontal direction, to power off source or because lift Equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., and now jacking equipment general supply is immediately without electricity, other dead electricity Brake apparatus plays a role braking immediately including the dead electricity band brake apparatus that motor is carried, after the completion of energy storage device time delay, electricity The dead electricity of magnetic puller main body 1, to electromagnet pull disappearance, up jacking block 10, left movable rack 12, the right movable teeth of electromagnetic draw bar 2 Bar 16 and the driving positive engagement of tooth bar 17, it is ensured that the safety of jacking equipment；When jacking equipment because having a power failure suddenly or other Reason brake hard rest in can not with the position of any one stop flat bed when, clasp nut control crank 23 can now be put In closing position, make clasp nut combine 24 normally engaged with the male thread of drive screw 25 in "on" position, its box thread, Artificial operation worm screw control crank 26, rotate worm type of reduction gearing 27 and drive drive screw 25 to rotate, drive screw 25 Transmission clasp nut combination 24 is moved down, clasp nut combination 24 drives jacking block 10 to move down, and is fixed on jacking block 10 Movable axis 21 follow jacking block 10 it is descending, while pulling the open end and right single armed for being centered around left single-arm lever 31 on movable axis 21 The open end of lever 37 is descending, while pulling the lower end of left double-arm lever 34, right double-arm lever 35 to be moved toward middle from the left and right sides Dynamic, left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive right movable rack 16 to set toward leaving lifting The standby direction movement for driving the center of tooth bar 17, until with jacking equipment drive tooth bar 17 be kept completely separate and have a bit of gap from By position；Then Manual jigger mechanism is used, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at peace The complete reliable position that can not arbitrarily open, has formulated rules and regulations and has strictly implemented, it is ensured that only possessed qualification, awarded The personnel of power could open and use.
For one kind is provided with, rack-and-pinion jacking equipment electromagnetism of the present invention pulls flat bed control safety system to embodiment 2 The jacking equipment of dynamic device, Figure 10 is the schematic diagram of embodiment 2, it is shown that electromagnetism puller main body 1 is in power failure state, electricity Magnetic pull flat bed control safety catch implement braking when situation, Figure 11 be embodiment 2 at electromagnetism puller main body 1 In electricity condition is obtained, electromagnetism pulling flat bed control safety catch is in schematic diagram during free position state, the gear of use It is that one kind is separately provided stand-alone assembly, Ran Houan that gear rack elevating installation electromagnetical pulls flat bed control safety catch concrete structure Independent electromagnetic on jacking equipment pulls flat bed control safety catch component, its structure ＆ working mechanism and Fig. 7 with [0009] section is described identical；Due to being related to the matching coordinative of multiple transmission systems, so be should be specifically noted that in manufacture and installation Workmanship and installation quality, including it is necessary ready-made including sill between accurate control stop and stop described in [0008] section The difference in height of upper plane is the relevant work of the integral multiple of driving tooth bar tooth pitch (p=π m), it is ensured that necessary precision, and it is qualified to detect Afterwards, could trial operation；Using embedded system as master control system, its course of work is the electric control system of jacking equipment, When system is without electricity, the dead electricity of electromagnetism puller main body 1, the electromagnet pull of electromagnetic draw bar 2 is disappeared, electromagnetic draw bar 2 be fixed on Transmission pivot pin 4 thereon is also disappeared simultaneously by the pulling force that mounting hole 3, pulling block 5, pull bar 6 are transferred to jacking block 10, and jacking block 10 receives bullet The elastic force of spring 8 is up and drives pull bar 6, pulling block 5 up together, and the movable axis 21 being fixed on jacking block 10 is followed on jacking block 10 The open end of row, the open end of the left single-arm lever 31 being driven around on movable axis 21 and right single-arm lever 37 is up, drives The hinge component of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34, and right single-arm lever 37, right movable mandrel 36 With the hinge component of right double-arm lever 35, rotated around fixing axle 33, left double-arm lever 34, the past left and right in lower end of right double-arm lever 35 Both sides are opened, and left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive right movable rack 16 toward lifting The center position of device drives tooth bar 17 is moved, until the at a fully engaged application position of tooth bar 17 is driven with jacking equipment, to lifting Equipment is braked；With at the same time, electromagnetic draw bar 2 resets upwards in the presence of electromagnetism puller internal reset mechanism, and arrival makes Transmission pivot pin 4 and mounting hole about 3 arc surface have the position in gap；When jacking equipment prepares to start, the electricity of jacking equipment Gas control system control jacking equipment drive system drive jacking equipment move up a distance element, make load-supporting part and on The lower plane of rail 15 and the upper plane of right movable rack 16 and left movable rack 12 have a microgap, the number of described microgap Be worth is 0.2~0.6 times of left movable rack 12, right movable rack 16 and jacking equipment the driving sideshake of tooth bar 17；Then lifting sets Standby electric control system control electromagnetism puller main body 1 it is electric, the electromagnet pull to electromagnetic draw bar 2 is produced, electromagnetic draw bar 2 with The transmission pivot pin 4 being fixed thereon pulls pulling block 5, pull bar 6, jacking block 10 descending by mounting hole 3, while compression spring 8, fixed Movable axis 21 on jacking block 10 follow jacking block 10 it is descending, while pulling the left single-arm lever 31 being centered around on movable axis 21 to open Put end and right single-arm lever 37 open end it is descending, while pull left double-arm lever 34, right double-arm lever 35 lower end from left and right Toward middle movement, left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive right movable rack 16 for both sides Toward the direction movement for leaving jacking equipment and driving tooth bar 17 center, until driving tooth bar 17 to be kept completely separate and having one with jacking equipment The free position in segment gap；Described a bit of gap, refers to 2~5mm gaps；Adjusting nut group 9 is used to adjust spring 8 Pressure, support 7 fixes the extreme lower position of the lower surface of spring 9；If there is abnormal conditions, the unexpected power down of such as jacking equipment, Or reach the limit of guarded by location device because of jacking equipment overspeed protective device action power dump or because of jacking equipment Action power dump etc., now jacking equipment general supply is immediately without electricity, what other electricity-loss braking devices were carried including motor Dead electricity band brake apparatus play a role braking, after the completion of energy storage device time delay, the dead electricity of electromagnetism puller main body 1, to electromagnetism immediately The electromagnet pull disappearance of pull bar 2, up jacking block 10, left movable rack 12, right movable rack 16 and the positive engagement of tooth bar 17 is driven, Ensure that the safety of jacking equipment；When jacking equipment because suddenly have a power failure or other reason brake hards rest in can not with appoint During the position of what stop flat bed, now clasp nut control crank 23 can be placed in closing position, combine clasp nut 24 normally engage with the male thread of drive screw 25 in "on" position, its box thread, manually operate worm screw control crank 26, make Worm type of reduction gearing 27 is rotated and drives drive screw 25 to rotate, the transmission clasp nut of drive screw 25 combination 24 is moved upwards Dynamic, clasp nut combination 24 drives jacking block 10 to move down, and the movable axis 21 being fixed on jacking block 10 follows jacking block 10 descending, same Shi Ladong be centered around the left single-arm lever 31 on movable axis 21 open end and right single-arm lever 37 open end it is descending, while draw , from the left and right sides toward middle movement, left double-arm lever upper end drives left work for dynamic left double-arm lever 34, the lower end of right double-arm lever 35 Carry-over bar 12, right double-arm lever upper end drive right movable rack 16 to be moved toward the direction for leaving jacking equipment driving tooth bar 17 center It is dynamic, until driving tooth bar 17 to be kept completely separate and have the free position in a bit of gap with jacking equipment；Then hand turning is used Mechanism, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open Put, formulated rules and regulations and strictly implemented, it is ensured that only possess qualification, authorized personnel could open and make With.
A kind of embodiment 3, jacking equipment electromagnetism for being mounted with directly to be set on jacking equipment pulls flat bed control safety The elevator of brake assemblies, its outside drawing same Fig. 8, Fig. 9, operation principle is described identical with [0023] section.
Embodiment 4, it is a kind of to be mounted with that jacking equipment electromagnetism pulls the individual secure braking of flat bed control safety catch The elevator of device assembly, its outside drawing same Fig. 9, Figure 10, operation principle is described identical with [0024] section
Understand the present invention to be beneficial to reader, this specification citing describes some concrete structures and data, and these are all Various changes, replacement and change institute non-limiting in order to illustrate, being done in the range of the basic thought of the claims in the present invention All or part of equivalent of generation, all within the scope of the invention as claimed.

Claims (7)

1. a kind of rack-and-pinion jacking equipment electromagnetism pulls flat bed control safety catch, including, load-supporting part, track groups Part, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the control dress of the operating mechanism of movable rack Put, hand-operating unlocking mechanism；Described load-supporting part includes direct load-supporting part or middle transition load-supporting part；Described track Component includes the horizontal rail that upper rail, lower rail are formed, track window aperture；Movable rack passes through track window aperture, described activity Tooth bar includes left movable rack and right movable rack, and being in the tooth form of part for driving tooth bar to be associated for movable rack can be with With the engagement of the driving tooth bar of jacking equipment or separate position, by moving horizontally in the horizontal rail of rail assembly or Be maintained in some defined locations realize with driving tooth bar engagement or separate, described defined location, including with liter The application position of drop device drives tooth bars engagement or with jacking equipment drive tooth bar be kept completely separate and have an intersegmental gap from By position, described has an intersegmental gap, refer to drive tooth bar and movable rack tooth top interplanar corresponding thereto have >=2mm away from From；The position-limit mechanism of described movable rack, including, the inner face of the part being associated with guide rail of movable rack top or At least one direction of lower section is provided with guiding breach, and gathering sill, guide plate one are collectively forming with a part for movable rack cover plate Part is fixed in horizontal rail, is partly into gathering sill, and gathering sill is dynamic cooperation with the mating part of guide plate, to prevent Outside or inner side play of the movable rack to car；Movable rack top enter on-position after with jacking equipment car Load-supporting part directly contact contacts load-bearing by middle transition load-supporting part；The operating mechanism manipulation activities tooth of movable rack Bar is moved horizontally or stopped on rail assembly and is maintained in some defined locations, the operating mechanism of described movable rack Control device include, electromagnetism puller and its control system, the control system of described electromagnetism puller is by jacking equipment electricity Control system power supply and control；Described jacking equipment electromagnetism pulls flat bed control safety catch, including directly sets in lifting The electromagnetism set on standby car pulls flat bed control safety catch component, or is separately provided stand-alone assembly and then installs Independent electromagnetic on jacking equipment pulls flat bed control safety catch component；
A kind of described rack-and-pinion jacking equipment electromagnetism for directly being set on jacking equipment car pulls flat bed control safety Brake apparatus, including load-supporting part, rail assembly, movable rack, movable rack position-limit mechanism, the manipulation machine of movable rack Structure, the control device of the operating mechanism of movable rack, hand-operating unlocking mechanism；Described load-supporting part includes upper rail and main load receiving part Part；Described rail assembly includes track window aperture, the horizontal rail that upper rail and main load-supporting part and lower rail are formed；Described work Carry-over bar includes right movable rack and left movable rack, and described right movable rack and left movable rack pass through track window aperture, Being in the tooth form of the part for driving tooth bar to be associated for movable rack can be engaged or divided with the driving tooth bar of jacking equipment From position, realized in some defined locations and drive by moving horizontally in the horizontal rail of rail assembly or being maintained at The engagement or separation of carry-over bar, right movable rack and left movable rack top are upper with lift car after on-position is entered Rail and main load-supporting part directly contact load-bearing, movable rack are dynamic cooperation with the fit dimension of horizontal rail, and contact surface is light Sliding low coefficient of friction surfaces, to be conducive to the movement of movable rack；The position-limit mechanism of described movable rack, including, movable teeth The inner face top for the part that bar is associated with guide rail is provided with guiding breach, and the part with movable rack cover plate is collectively forming Gathering sill, a guide plate part is fixed in horizontal rail, is partly into the mating part of gathering sill, gathering sill and guide plate It is dynamic cooperation, to prevent outside or inner side play of the movable rack to car；The operating mechanism of described movable rack, bag Include, transmission pivot pin, pulling block, the mounting hole, pull bar, support, spring, adjusting nut group, jacking block, the movable axis that are set on pulling block, The hinge component of left single-arm lever, left movable mandrel and left double-arm lever, right single-arm lever, right movable mandrel and right double-arm lever Hinge component, fixing axle；The operating mechanism course of work of movable rack by movable rack operating mechanism control device control System, the control device of the operating mechanism of described movable rack includes, electromagnetic draw bar, electromagnetism puller main body, described electromagnetism The control system of puller main body including electromagnetism puller, the control system of described electromagnetism puller is by the automatically controlled system of jacking equipment System power supply and control；Also only received including one in the control unit of the electromagnetism puller of described jacking equipment electric control system The relay or contactor and energy storage device of general supply control, the described relay or contactor that are only controlled by general supply Normally-closed contact be connected across between electromagnetism puller and energy storage device, when jacking equipment obtains electric, normally-closed contact disconnect, electromagnetism pull Connection between device and energy storage device also disconnects, energy storage device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices include The dead electricity band brake apparatus that motor is carried play a role braking immediately, but electromagnetism puller not dead electricity immediately, it is described only Relay or contactor normally-closed contact the dead electricity closure controlled by general supply, make electromagnetism puller be connected with energy storage device, store up Energy device is that other electricity-loss braking devices individually complete what braking needed to the time delay constant design tuning of electromagnetism puller The difference of the action total delay time of the operating mechanism of braking time and electromagnetism puller and movable rack；Energy storage device time delay is complete Cheng Hou, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity, jacking equipment remains static；Movable rack The operating mechanism course of work be, when electromagnetism puller main body dead electricity, the electromagnet pull of electromagnetic draw bar to be disappeared, electromagnetic draw bar Also disappeared simultaneously by the pulling force that mounting hole, pulling block, pull bar are transferred to jacking block with the transmission pivot pin being fixed thereon, jacking block receives bullet The elastic force of spring is up and drives pull bar, pulling block up together, the movable axis being fixed on jacking block follow jacking block it is up, promote enclose The open end of the left single-arm lever being wound on movable axis and the open end of right single-arm lever are up, drive left single-arm lever, left work The hinge component of moving mandrel and left double-arm lever, and right single-arm lever, right movable mandrel and right double-arm lever hinge component, around Fixing axle is rotated, and left double-arm lever, the lower end of right double-arm lever are opened toward the left and right sides, and left double-arm lever upper end drives left activity Tooth bar, right double-arm lever upper end drive right movable rack to drive the movement of tooth bar center position toward jacking equipment, until being set with lifting The standby application position for driving tooth bar at a fully engaged, brakes to jacking equipment；At the same time, electromagnetic draw bar is inside electromagnetism puller Resetted upwards in the presence of resetting-mechanism, arrival makes transmission pivot pin have the position in gap with the upper and lower arc surface of mounting hole；Work as electricity When magnetic puller main body obtains electric, the electromagnet pull to electromagnetic draw bar is produced, and electromagnetic draw bar is logical with the transmission pivot pin being fixed thereon Crossing mounting hole pulls pulling block, pull bar, jacking block descending, while compression spring, the movable axis being fixed on jacking block follow jacking block it is descending, Pull the open end of the open end and right single-arm lever for being centered around left single-arm lever on movable axis descending simultaneously, while pulling left , from the left and right sides toward middle movement, left double-arm lever upper end drives left movable rack, the right side for double-arm lever, the lower end of right double-arm lever Double-arm lever upper end drives right movable rack toward the direction movement for leaving jacking equipment driving tooth bar center, until and jacking equipment Tooth bar is driven to be kept completely separate and have the free position in a bit of gap；Described a bit of gap, refers to 2~5mm gaps；Regulation Nut group is used to adjust the pressure of spring, and support fixes the extreme lower position of the lower surface of spring；If there is abnormal conditions, for example The unexpected power down of jacking equipment or because jacking equipment overspeed protective device action power dump or because jacking equipment arrive Up to extreme position protection device action power dump etc., now immediately without electricity, the braking of other dead electricity is filled jacking equipment general supply Put the dead electricity band brake apparatus carried including motor to play a role immediately braking, after the completion of energy storage device time delay, electromagnetism is pulled Device main body dead electricity, electromagnet pull disappearance, up jacking block, left movable rack, right movable rack and driving tooth bar to electromagnetic draw bar Positive engagement, it is ensured that the safety of jacking equipment；Described electromagnetism puller, is that a kind of selected working method is pulling mode Long-stroke push-and-pull electromagnet, is a kind of new Electromagnetic Control action executing device, high-power to open using power supply power-up control conversion Dynamic, the working method that small-power is maintained can directly use alternating current.
2. rack-and-pinion jacking equipment electromagnetism according to claim 1 pulls flat bed control safety catch, its feature It is, described hand-operating unlocking mechanism, including, clasp nut control crank, clasp nut combination, drive screw, worm screw manipulate hand Handle, worm type of reduction gearing, wherein clasp nut combine with pulling block be fixedly connected, drive screw and worm type of reduction gearing Worm gear to be fixedly connected, usually, clasp nut control crank be placed in open a sluice gate position, clasp nut combination in state of opening a sluice gate, its Box thread has no effect without engagement, drive screw with the male thread of drive screw to the motion that clasp nut is combined, so that hand Dynamic unlocking mechanism pulls the motion of flat bed control safety catch to have no effect to electromagnetism, when jacking equipment because stopping suddenly Electricity or other reason brake hards rest in can not with the position of any one stop flat bed when, clasp nut can now be grasped Vertical handle is placed in closing position, makes clasp nut male thread of the combination in "on" position, its box thread and drive screw normal Engage, manually operate worm screw control crank, rotate worm type of reduction gearing and drive drive screw rotation, drive screw to be driven Clasp nut combination is moved up, clasp nut combination drives pulling block to move up, and the movable axis being fixed on pulling block follows drawing Block 9 is up, drive lever left, right lever underarm to be rotated toward inner side around left fixed shaft, right fixed shaft, lever left, right lever it is upper Arm drives left movable rack, right movable rack toward the direction movement for leaving jacking equipment driving tooth bar center, until being set with lifting It is standby to drive tooth bar to be kept completely separate and have the free position in a bit of gap；Then Manual jigger mechanism is used, makes jacking equipment just Nearly flat bed；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open, and has formulated rules and regulations And strictly implement, it is ensured that only possess qualification, authorized personnel could open and use.
3. rack-and-pinion jacking equipment electromagnetism according to claim 1 pulls flat bed control safety catch, its feature It is, the tooth form with the part for driving tooth bar to be associated of movable rack tooth form only manufacturing activities tooth bar, along being close to for facewidth B directions Inside jacking equipment car, part is not omitted with the part for driving tooth bar to contact, and there is fillet all tooth form roots Transition, to reduce stress concentration；Described movable rack tooth form facewidth B should be greater than driving the tooth bar facewidth.
4. rack-and-pinion jacking equipment electromagnetism according to claim 1 pulls flat bed control safety catch, its feature It is, when the jacking equipment for being configured with electromagnetism pulling flat bed control safety catch of the invention installs early stage civil engineering, Accurate measurement must be carried out by the difference in height to stop and stop, each stop sill be constructed and is controlled accordingly and accurately The difference in height of plane is the integral multiple for driving tooth bar tooth pitch on sill between stop and stop, when jacking equipment is installed, correctly Regulation jacking equipment is worked in coordination with driving tooth bar so that jacking equipment just stops leveling accuracy from ground floor and in middle position Value.
5. rack-and-pinion jacking equipment electromagnetism according to claim 1 pulls flat bed control safety catch, its feature It is that a kind of described rack-and-pinion jacking equipment electromagnetism pulls the independent electromagnetic of flat bed control safety catch to pull flat bed control Safety catch component processed, including the separate space surrounded by supporting frame, mounting base, panel, described Load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack in separate space, The control device of the operating mechanism of movable rack, hand-operating unlocking mechanism；Described load-supporting part is supporting frame, in belonging to one kind Between transition load-supporting part component, be bolted or the load-carrying members of other connected modes and jacking equipment car connect Connect；Described rail assembly includes horizontal rail, the track window aperture that upper rail and lower rail are formed, and described movable rack includes a left side Movable rack, right movable rack；The operating mechanism of described movable rack, including, transmission pivot pin, pulling block, the setting on pulling block Mounting hole, pull bar, support, spring, adjusting nut group, jacking block, movable axis, left single-arm lever, left movable mandrel and left both arms The hinge component of lever, the hinge component of right single-arm lever, right movable mandrel and right double-arm lever, fixing axle；Movable rack The operating mechanism course of work is controlled by the control device of the operating mechanism of movable rack, the operating mechanism of described movable rack Control device includes that electromagnetic draw bar, electromagnetism puller main body, described electromagnetism puller main body include the control of electromagnetism puller System, the control system of described electromagnetism puller is powered and is controlled by jacking equipment electric-control system；Described jacking equipment electricity Also include one in the control unit of the electromagnetism puller of gas control system only by the relay or contactor of general supply control And energy storage device, it is described only by the relay of general supply control or the normally-closed contact of contactor be connected across electromagnetism puller with Between energy storage device, when jacking equipment obtains electric, normally-closed contact is disconnected, and the connection between electromagnetism puller and energy storage device is also broken Open, energy storage device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices stand including the dead electricity band brake apparatus that motor is carried Play a role braking, but electromagnetism puller not dead electricity immediately, it is described only by general supply control relay or connect Tentaculum normally-closed contact dead electricity is closed, and electromagnetism puller is connected with energy storage device, when energy storage device is to the delay of electromagnetism puller Between constant design tuning be that other electricity-loss braking devices individually complete braking time and electromagnetism puller and activity that braking needs The difference of the action total delay time of the operating mechanism of tooth bar；After the completion of energy storage device time delay, electromagnetism puller dead electricity；Work as lifting Equipment general supply is disconnected during without electricity, and jacking equipment remains static；The operating mechanism course of work of movable rack is to work as electromagnetism During puller main body dead electricity, the electromagnet pull to electromagnetic draw bar disappears, and electromagnetic draw bar passes through with the transmission pivot pin being fixed thereon Mounting hole, pulling block, pull bar are transferred to the pulling force of jacking block and also disappear simultaneously, jacking block by the elastic force of spring it is up and drive pull bar, Pulling block is up together, and the movable axis being fixed on jacking block follows the left single-arm lever that jacking block is up, be driven around on movable axis Open end and right single-arm lever open end it is up, drive the hinge of left single-arm lever, left movable mandrel and left double-arm lever Component, and right single-arm lever, right movable mandrel and the hinge component of right double-arm lever, rotate, left double-arm lever, the right side around fixing axle The lower end of double-arm lever is opened toward the left and right sides, and left double-arm lever upper end drives left movable rack, right double-arm lever upper end to drive Right movable rack drives the movement of tooth bar center position toward jacking equipment, until driving the at a fully engaged braking of tooth bar with jacking equipment Position, brakes to jacking equipment；At the same time, electromagnetic draw bar is multiple upwards in the presence of electromagnetism puller internal reset mechanism Position, arrival makes transmission pivot pin have the position in gap with the upper and lower arc surface of mounting hole；When electromagnetism puller main body obtains electric, to electricity The electromagnet pull of magnetic pull bar is produced, and electromagnetic draw bar pulls pulling block, pull bar, top with the transmission pivot pin being fixed thereon by mounting hole Block is descending, while compression spring, the movable axis being fixed on jacking block follow jacking block it is descending, while pulling is centered around on movable axis The open end of the open end of left single-arm lever and right single-arm lever is descending, while under pulling left double-arm lever, right double-arm lever From the left and right sides toward middle movement, left double-arm lever upper end drives left movable rack, right double-arm lever upper end to drive right activity at end Tooth bar drives the direction movement at tooth bar center toward jacking equipment is left, until driving tooth bar to be kept completely separate and having one with jacking equipment The free position in segment gap；Described a bit of gap, refers to 2~5mm gaps；Adjusting nut group is used to adjust the pressure of spring Power, support fixes the extreme lower position of the lower surface of spring；If there is abnormal conditions, the unexpected power down of such as jacking equipment or Because jacking equipment overspeed protective device action power dump or because jacking equipment reach the limit of guarded by location device action Cut off the electricity supply etc., the dead electricity that now jacking equipment general supply is carried without electricity, other electricity-loss braking devices including motor immediately Band brake apparatus play a role braking, after the completion of energy storage device time delay, electromagnetism puller main body dead electricity, to electromagnetic draw bar immediately Electromagnet pull disappearance, up jacking block, left movable rack, right movable rack and driving tooth bar positive engagement, it is ensured that jacking equipment Safety；Described electromagnetism puller, is a kind of long-stroke push-and-pull electromagnet that selected working method is pulling mode, is a kind of New Electromagnetic Control action executing device, using power supply power-up control conversion, high-power start, the work side that small-power is maintained Formula, can directly use alternating current.
6. rack-and-pinion jacking equipment electromagnetism according to claim 1 pulls flat bed control safety catch, its feature It is that the control system of described electromagnetism puller is powered and controlled by jacking equipment electric-control system, and its rate-determining steps is included such as Lower rate-determining steps, when jacking equipment prepares to start, the electric control system control jacking equipment drive system of jacking equipment is driven Dynamic jacking equipment moves up a distance element, and the lower plane and right movable rack and the upper of left movable rack for making load-supporting part are put down There is a microgap in face, and the numerical value of described microgap is that left movable rack, right movable rack and jacking equipment drive rack bar side 0.2~0.6 times of gap；Then control electromagnetism puller main body obtains electric.
7. a kind of elevator, it is characterized in that, install and use the gear teeth described in any claim in claim 1- claims 6 Bar jacking equipment electromagnetism pulls flat bed control safety catch.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109552115A (en) * 2018-12-31 2019-04-02 江苏常隆客车有限公司 Bus seat mounting structure and car

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CN2054784U (en) * 1988-05-25 1990-03-21 张方亮 Electric elevator of automatically leveling off to the landing of stairs when power failure on half way
CN2218169Y (en) * 1994-12-20 1996-01-24 珠海市荣华发展公司 Safeguard for leveling operation and cable break-off
CN2447312Y (en) * 2000-10-17 2001-09-12 虞戟 Floor-levelling block for elevator car
CN101823658A (en) * 2010-04-30 2010-09-08 巨人通力电梯有限公司 Manual wire-drawing type rescue device without machine room for elevator
CN202296672U (en) * 2011-09-28 2012-07-04 快意电梯有限公司 A steel wire rope clamping type protection device preventing accidental movement of an elevator car
CN202594557U (en) * 2012-05-22 2012-12-12 浙江快奥电梯有限公司 Elevator monitoring device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2054784U (en) * 1988-05-25 1990-03-21 张方亮 Electric elevator of automatically leveling off to the landing of stairs when power failure on half way
CN2218169Y (en) * 1994-12-20 1996-01-24 珠海市荣华发展公司 Safeguard for leveling operation and cable break-off
CN2447312Y (en) * 2000-10-17 2001-09-12 虞戟 Floor-levelling block for elevator car
CN101823658A (en) * 2010-04-30 2010-09-08 巨人通力电梯有限公司 Manual wire-drawing type rescue device without machine room for elevator
CN202296672U (en) * 2011-09-28 2012-07-04 快意电梯有限公司 A steel wire rope clamping type protection device preventing accidental movement of an elevator car
CN202594557U (en) * 2012-05-22 2012-12-12 浙江快奥电梯有限公司 Elevator monitoring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109552115A (en) * 2018-12-31 2019-04-02 江苏常隆客车有限公司 Bus seat mounting structure and car
CN109552115B (en) * 2018-12-31 2024-04-09 江苏常隆客车有限公司 Passenger car seat mounting structure and passenger car

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