CN106744143A - Jacking equipment electromagnetic lever flat bed controls safety catch - Google Patents

Jacking equipment electromagnetic lever flat bed controls safety catch Download PDF

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Publication number
CN106744143A
CN106744143A CN201611221129.0A CN201611221129A CN106744143A CN 106744143 A CN106744143 A CN 106744143A CN 201611221129 A CN201611221129 A CN 201611221129A CN 106744143 A CN106744143 A CN 106744143A
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CN
China
Prior art keywords
movable rack
jacking equipment
lever
jacking
bar
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Granted
Application number
CN201611221129.0A
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Chinese (zh)
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CN106744143B (en
Inventor
廖忠民
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Individual
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Individual
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Priority to CN201611221129.0A priority Critical patent/CN106744143B/en
Publication of CN106744143A publication Critical patent/CN106744143A/en
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Publication of CN106744143B publication Critical patent/CN106744143B/en
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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
    • B66B5/26—Positively-acting devices, e.g. latches, knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/365—Means for stopping the cars, cages, or skips at predetermined levels mechanical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
    • B66B1/42—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/0415—Driving gear ; Details thereof, e.g. seals actuated manually, e.g. additional safety system
    • 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
    • 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)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Breakers (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

A kind of jacking equipment electromagnetic lever flat bed controls 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；Manipulating tooth bar engagement system using electromagnetism pull lever carries out flat bed control and safeguard protection braking, plays and significantly improves leveling accuracy and keep precision, improves safeguard protection braking quality, energy saving, cost-effective beneficial effect.

Description

Jacking equipment electromagnetic lever flat bed controls 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 jacking equipment Electromagnetic lever flat bed controls safety catch.
Background technology
Rack-and-pinion jacking equipment has the characteristics of being different from traction-type jacking equipment, but existing rack-and-pinion is lifted The flat bed control of equipment is the method that cooperation electrical control friction catch is detected by sensor for continuing to use traction-type jacking equipment To realize, and due to detecting the change of the performance drift and friction means coefficient of friction of control element, langding accuracy can become Change；The safety arrestment measure of other existing pinion and-rack jacking equipment, or by braking to motor shaft or being logical Cross the method to the braking of gear shaft to realize, these methods belong to friction catch mode, exist probably due to friction material grinds The potential safety hazard that damage or oil pollution etc. cause, if drive gear occurs problem in addition, foregoing method is with regard to incapability Power, and drive gear occurs what problem was possible to；Therefore, from langding accuracy and security performance consideration is improved, according to gear Teeth bar type up-down equipment in itself the characteristics of, propose a kind of improved flat bed control and safety catch.
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, while taking into account the requirement of energy saving.
(hereinafter referred to as electromagnetic lever flat bed control is safe for a kind of jacking equipment electromagnetic lever flat bed control safety catch Brake apparatus), including, load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, 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 include direct load-supporting part or Person's middle transition load-supporting part；Described rail assembly (referring to Fig. 1) includes upper rail 15 (simultaneous load-supporting part in Fig. 1), lower rail 18 horizontal rails for being formed, track window aperture 11；Movable rack passes through track window aperture 11, and described movable rack includes left work Carry-over bar 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 be with lifting The position that the driving tooth bar 17 of equipment engages or be separate, moves horizontally or keeps by the horizontal rail of rail assembly Realized in some defined locations and the engagement of driving tooth bar or separated, described defined location, including set with lifting The standby application position (referring to Fig. 1) for driving tooth bar engagement or drive tooth bar to be kept completely separate and have one intersegmental with jacking equipment The free position (referring to Fig. 2) of gap, described has an intersegmental gap, refers to drive tooth bar and movable rack tooth top corresponding thereto flat There is >=the distance of 2mm between face；The position-limit mechanism of described movable rack, including, the part being associated with guide rail of movable rack At least one direction of inner face either above or below be provided with guiding breach, (referring to Fig. 3), with movable rack cover plate (left cover Plate 13, right cover plate are dismantled and drawn) a part be collectively forming gathering sill 28, the part of guide plate 29 is fixed on horizontal rail Above, gathering sill 28 is partly into, gathering sill 28 is dynamic cooperation with the mating part of guide plate 29, to prevent movable rack to sedan-chair The outside in railway carriage or compartment or inner side play；Movable rack top is direct with the load-supporting part of jacking equipment car after on-position is entered Contact contacts load-bearing (being load-supporting part and the directly contact load-bearing of upper rail 15 in Fig. 1) by middle transition load-supporting part；It is living The operating mechanism manipulation activities tooth bar of carry-over bar is moved horizontally or stopped on orbit hole and is maintained in some defined locations, The control device of the operating mechanism of described movable rack includes, electromagnetism puller and its control system, and described electromagnetism is pulled The control system of device is powered and is controlled by jacking equipment electric-control system；Described jacking equipment electromagnetic lever flat bed control safety system Dynamic device, including the electromagnetic lever flat bed control safety catch for directly being set on jacking equipment car, or individually set Put component, the independent electromagnetic lever flat bed being then fitted on jacking equipment control safety catch.
Fig. 1 is a kind of jacking equipment electromagnetic lever flat bed control safety catch for directly being set on jacking equipment 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 18, 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 schematic diagram of the electromagnetic propulsion rack-and-pinion safety catch described in Fig. 1 in free position state；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, right transmission pivot pin 58, The right mounting hole 59 that is arranged on main lever 52, the middle mounting hole 55 being arranged on main lever 52, pulling block 54, it is fixed on pulling block 54 On middle transmission pivot pin 53, main lever 52, main lever axle 51, pull bar 6, support 7, spring 8, adjusting nut group 9, jacking block 10, living Moving axis 21, the hinge component of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34, right single-arm lever 37, right activity The hinge component of mandrel 36 and right double-arm lever 35, fixing axle 33；The operating mechanism course of work of movable rack is by movable rack Operating mechanism control device control, the control device of the operating mechanism of described movable rack includes, electromagnetic draw bar 57, electricity Magnetic puller main body 56, described electromagnetism puller main body include electromagnetic system, the control system of electromagnetism puller, described electricity The control system of magnetic puller is powered and is controlled by jacking equipment electric-control system；The electricity of described jacking equipment electric control system Also include one in the control unit of magnetic puller only by the relay or contactor and energy storage device of general supply control, it is described Relay or the normally-closed contact of contactor only by general supply control be connected across between electromagnetism puller and energy storage device, liter When drop equipment obtains electric, normally-closed contact disconnects, and the connection between electromagnetism puller and energy storage device also disconnects, energy storage device energy storage； During jacking equipment dead electricity, other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, But electromagnetism puller not dead electricity immediately, it is described only by the relay or contactor normally-closed contact dead electricity of general supply control Closure, makes electromagnetism puller be connected with energy storage device, time delay (discharge time) constant of energy storage device to electromagnetism puller Design tuning is braking time and electromagnetism puller and the movable rack that other electricity-loss braking devices individually complete that braking needs The difference of the action total delay time of operating mechanism；For example, other electricity-loss braking devices of certain jacking equipment individually complete system The braking time of needs is moved for 3.5S, the action total delay time of the operating mechanism of electromagnetism puller and movable rack is 0.2S, Then energy storage device is (3.5S-0.2S=) 3.3S, energy storage device time delay to the time delay constant design tuning of electromagnetism puller After the completion of, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity (including energy storage dress after original state or dead electricity Put the state after energy release), jacking equipment remains static；The operating mechanism course of work of movable rack is to work as electromagnetism During puller 56 dead electricity of main body, the electromagnet pull of electromagnetic draw bar 57 is disappeared, electromagnetic draw bar 57 and the right transmission being fixed thereon Pivot pin 58 is transferred to jacking block by right mounting hole 59, main lever 52, middle mounting hole 55, middle transmission pivot pin 53, pulling block 54, pull bar 6 10 pulling force also disappears simultaneously, and jacking block 10 is up by the elastic force of spring 8 and drives pull bar 6, pulling block 54 up together, is fixed on Movable axis 21 on jacking block 10 follow the left single-arm lever 31 that jacking block 10 is up, be driven around on movable axis 21 open end and The open end of right single-arm lever 37 is up, drives the hinge set of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34 Part, and right single-arm lever 37, right movable mandrel 36 and the hinge component of right double-arm lever 35, rotate, left both arms around fixing axle 33 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 both arms Lever upper end drives right movable rack 16 to drive the movement of the center position of tooth bar 17 toward jacking equipment, until with jacking equipment sliding tooth The at a fully engaged application position of bar 17, brakes to jacking equipment；At the same time, electromagnetic draw bar 57 is in electromagnetism puller internal reset Resetted upwards in the presence of mechanism, arrival makes the position of right transmission pivot pin 58 and the top and bottom Jun You gaps of right mounting hole 59；Work as electricity Magnetic puller main body 56 it is electric when, the electromagnet pull of electromagnetic draw bar 57 is produced, electromagnetic draw bar 57 and the right biography being fixed thereon Moving axis pin 58 drives main lever 52 to be rotated down around main lever axle 51 by right mounting hole 59, then by being passed in the pulling of middle mounting hole Moving axis pin 53, pulling block 54, pull bar 6, jacking block 10 are descending, while compression spring 8, the movable axis 21 being fixed on jacking block 10 follows top Block 10 is descending, while pulling the open end and the open end of right single-arm lever 37 of the left single-arm lever 31 being centered around on movable axis 21 It is descending, while the lower end of left double-arm lever 34, right double-arm lever 35 is pulled from the left and right sides toward middle movement, on left double-arm lever End drives left movable rack 12, right double-arm lever upper end to drive right movable rack 16 to drive the center of tooth bar 17 toward jacking equipment is left Direction movement, until with jacking equipment drive tooth bar 17 be kept completely separate and have the free position in a bit of gap；Described one Segment gap, refers to 2~5mm gaps；Adjusting nut group 9 is used to adjust the pressure of spring 8, and support 7 fixes the lower surface of spring 9 Extreme lower position；If there is abnormal conditions, such as unexpected power down of jacking equipment or because of jacking equipment overspeed protective device Action power dump or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., now lifting sets Immediately without electricity, other electricity-loss braking devices play a role system standby general supply immediately including the dead electricity band brake apparatus that motor is carried It is dynamic, after the completion of energy storage device time delay, the dead electricity of electromagnetism puller main body 56, to electromagnet pull disappearance, the jacking block of electromagnetic draw bar 57 10 is up, left movable rack 12, right movable rack 16 with drive the positive engagement of tooth bar 17, it is ensured that the safety of jacking equipment；Tightly Under anxious brake condition, left movable rack 12, right movable rack 16 may not have at a fully engaged with tooth bar 17 is driven at the beginning, least The situation of profit may occur the situation that the peak of tooth bar and peak are contacted when being braking as shown in Figure 4, now in elastic force Friction catch is temporarily become under effect, if now the braking moment of jacking equipment whole brake apparatus is added up and is enough to realize system Dynamic, braking task is completed；If now the braking moment of jacking equipment whole brake apparatus is added up and be all not enough to prevention lifting Equipment glides, (because there is braking moment to act on, just start glide can be slower), when slipping down to the peak and most of staggering During the position of high point, left movable rack 12, right movable rack 16 will be clamp-oned in the teeth groove for driving tooth bar 17 under elastic force promotion (referring to Fig. 5), then as continuing to glide, continues to clamp-on, until left movable rack 12, right movable rack 16 and driving tooth bar 17 Positive engagement, implements braking；Described electromagnetism puller, is that the long-stroke push-and-pull that a kind of selected working method is pulling mode is electric Magnet, is a kind of new Electromagnetic Control action executing device, using power supply power-up control conversion, high-power start, small-power dimension The working method held, than producing, the old-fashioned electromagnet volume of onesize active force is smaller, lighter, more power saving of conducting oneself with dignity；By thick stick Bar is converted, it is possible to use thrust than pushing directly on electromagnetic driver half as large, with cost-effective, energy 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 controls electromagnetic lever flat bed the motion of safety catch 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.
Each possible braking anchor point of jacking equipment of safety catch is controlled using electromagnetic lever flat bed 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 electromagnetic lever flat bed of the invention 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 a kind of independent electromagnetic that described rack-and-pinion jacking equipment electromagnetic lever flat bed controls safety catch Lever flat bed controls the schematic diagram of safety catch, and 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, it is right to be driven pivot pin 58, the right mounting hole 59 being arranged on main lever 52, set Put the middle mounting hole 55 on main lever 52, pulling block 54, the middle transmission pivot pin 53, main lever 52, the main thick stick that are fixed on pulling block 54 Bar axle 51, pull bar 6, support 7, spring 8, adjusting nut group 9, jacking block 10, movable axis 21, left single-arm lever 31, left movable mandrel 32 with the hinge component of left double-arm lever 34, the hinge component of right single-arm lever 37, right movable mandrel 36 and right double-arm lever 35, Fixing axle 33；The operating mechanism course of work of movable rack is controlled by the control device of the operating mechanism of movable rack, described The control device of the operating mechanism of movable rack includes, electromagnetic draw bar 57, electromagnetism puller main body 56, described electromagnetism puller Main body includes electromagnetic system, the control system of electromagnetism puller, and the control system of described electromagnetism puller is electric by jacking equipment Control system power supply and control；Also include one in the control unit of the electromagnetism puller of described jacking equipment electric control system Only by the relay or contactor and energy storage device of general supply control, it is described only by general supply control relay or connect The normally-closed contact of tentaculum is connected across between electromagnetism puller and energy storage device, and when jacking equipment obtains electric, normally-closed contact disconnects, electromagnetism Connection between puller and energy storage device also disconnects, energy storage device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices Played a role immediately braking including the dead electricity band brake apparatus that motor is carried, but electromagnetism puller not dead electricity immediately, it is described Only by the relay or contactor normally-closed contact dead electricity closure of general supply control, connect electromagnetism puller and energy storage device Connect, energy storage device is that other electricity-loss braking devices are independent to time delay (discharge time) constant design tuning of electromagnetism puller Complete the difference of the braking time of braking needs and the action total delay time of the operating mechanism of electromagnetism puller and movable rack； For example, the braking time that other electricity-loss braking devices of certain jacking equipment individually complete braking to be needed is 3.5S, electromagnetism is pulled The action total delay time of the operating mechanism of device and movable rack is 0.2S, then time delay of the energy storage device to electromagnetism puller Constant design tuning is (3.5S-0.2S=) 3.3S, after the completion of energy storage device time delay, electromagnetism puller dead electricity；Work as jacking equipment General supply disconnects (including the state after original state or dead electricity after the release of energy storage device energy), jacking equipment during without electricity and is in Inactive state；The operating mechanism course of work of movable rack is, when electromagnetism puller main body 56 is without electricity, to electromagnetic draw bar 57 Electromagnet pull disappears, and electromagnetic draw bar 57 passes through right mounting hole 59, main lever 52, middle waist with the right transmission pivot pin 58 being fixed thereon Shape hole 55, middle transmission pivot pin 53, pulling block 54, pull bar 6 are transferred to the pulling force of jacking block 10 also while disappearing, jacking block 10 is by spring 8 Elastic force is up and drives pull bar 6, pulling block 5 up together, and the movable axis 21 being fixed on jacking block 10 follows that jacking block 10 is up, pushes away The open end of the dynamic open end for being centered around the left single-arm lever 31 on movable axis 21 and right single-arm lever 37 is up, drives left single armed The hinge component of lever 31, left movable mandrel 32 and left double-arm lever 34, and right single-arm lever 37, right movable mandrel 36 are double with the right side The hinge component of arm bar 35, is rotated around fixing axle 33, and left double-arm lever 34, the lower end of right double-arm lever 35 are opened toward the left and right sides Open, left double-arm lever upper end drives left movable rack 12, right double-arm lever upper end to drive right movable rack 16 to be driven toward jacking equipment The center position of carry-over bar 17 is moved, until the at a fully engaged application position of tooth bar 17 is driven with jacking equipment, to jacking equipment system It is dynamic；At the same time, electromagnetic draw bar 57 resets upwards in the presence of electromagnetism puller internal reset mechanism, and arrival makes right power transmission shaft The position in pin 58 and the top and bottom Jun You gaps of right mounting hole 59；When electromagnetism puller main body 56 must be electric, to electromagnetic draw bar 57 Electromagnet pull is produced, electromagnetic draw bar 57 and the right transmission pivot pin 58 being fixed thereon by right mounting hole 59 drive main lever 52 around Main lever axle 51 is rotated down, then descending by being driven pivot pin 53, pulling block 54, pull bar 6, jacking block 10 in the pulling of middle mounting hole, together When compression spring 8, the movable axis 21 being fixed on jacking block 10 follow jacking block 10 it is descending, while pulling be centered around on movable axis 21 The open end of the open end of left single-arm lever 31 and right single-arm lever 37 is descending, while pulling left double-arm lever 34, right both arms thick stick 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 for the lower end of bar 35 Right movable rack 16 is driven to be moved toward the direction for leaving jacking equipment driving tooth bar 17 center, until driving tooth bar with jacking equipment 17 are kept completely 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 pressure for being used to adjust spring 8, support 7 fixes the extreme lower position of the lower surface of spring 9；Described hand-operating unlocking mechanism, bag Include, 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 be with pulling block 9 be fixedly connected, the worm gear of drive screw 25 and worm type of reduction gearing 27 is solid Fixed connection, usually, clasp nut control crank 23 is placed in and opens a sluice gate position, clasp nut combination 24 in opening a sluice gate state, its female spiral shell Line has no effect with the male thread of drive screw 25 without the motion that engagement, drive screw 25 combine 24 to clasp nut, so that Motion of the hand-operating unlocking mechanism to electromagnetic lever flat bed control safety catch has no effect, when jacking equipment because suddenly Have a power failure or other reason brake hards rest in can not with the position of any one stop flat bed when, now can be clasp nut Control crank 23 is placed in closing position, clasp nut is combined 24 public affairs in "on" position, its box thread and drive screw 25 Screw thread normally engages, manually operates worm screw control crank 26, rotates worm type of reduction gearing 27 and drive 25 turns of drive screw Dynamic, the transmission clasp nut of drive screw 25 combination 24 is moved up, the drive jacking block 10 of clasp nut combination 24 is moved down, 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；Then Manual jigger mechanism is used, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism The safe and reliable position that can not arbitrarily open is necessarily placed at, rules and regulations has been formulated and has strictly been implemented, it is ensured that only possessed Qualification, authorized personnel could open and use；A kind of described independent electromagnetic lever flat bed control safety arrestment dress Put, a kind of gear for directly being set on jacking equipment described in its course of work and [0005] section, [0006] section, [0007] section Gear rack elevating installation electromagnetical lever flat bed control safety catch is identical, and its installation method is identical with described in [0007] section.
A kind of elevator, it is characterized in that, it is mounted with jacking equipment electromagnetic lever flat bed control safety arrestment of the present invention Device, described jacking equipment electromagnetic lever flat bed control safety catch, including the electricity for directly being set on jacking equipment Magnetic lever flat bed controls safety catch, or is separately provided component, the independent electromagnetic thick stick being then fitted on jacking equipment Bar flat bed controls safety catch；The all technical characteristics of the present invention are mounted with lifting of the present invention suitable for described Installation electromagnetical lever flat bed controls 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；Using lever change, it is possible to use ratio is directly pushed away The small electromagnetic driver of dynamic thrust, the safeguard protection that is significantly increased braking quality, raising runnability, energy saving, saving The beneficial effect of cost.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of electromagnetic lever flat bed for directly being set on jacking equipment controls safety catch Figure.
Fig. 2 is electromagnetic lever flat bed schematic diagram of the control safety catch in free position state described in Fig. 1.
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 the schematic diagram that a kind of independent electromagnetic lever flat bed controls safety catch.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the lifting that described jacking equipment electromagnetic lever flat bed controls safety catch that is provided with of embodiment 1 Equipment is in the situation schematic diagram of free position state.
Figure 10 is the schematic diagram of embodiment 2.
Figure 11 is schematic diagram when electromagnetic lever flat bed control safety catch is in free position in embodiment 2.
Specific embodiment
Embodiment 1, Fig. 8 for embodiment 1 schematic diagram, drawing show be jacking equipment side outward appearance, described electromagnetism Lever flat bed control safety catch is arranged on pinion and-rack jacking equipment the temporarily situation in on-position, Fig. 9 It is that the jacking equipment for being provided with described jacking equipment electromagnetic lever flat bed control safety catch of embodiment 1 is in freely Location status, jacking equipment prepare operation or the situation schematic diagram in being currently running, (left and right described in figure above, be from Jacking equipment the inside sees that Fig. 8, Fig. 9 are to be seen toward jacking equipment side from the outside, so left and right directions is just toward jacking equipment side It is anti-phase), described jacking equipment electromagnetic lever flat bed control safety catch is closely connected with jacking equipment load-carrying members, directly Contact or by middle transition component contact load-bearing, the electromagnetic lever flat bed control safety catch of use its internal junction Structure each several part constitute and effect explanation as shown in Fig. 1~6, and described in [0005] section, [0006] section, [0007] section, due to It is related to the matching coordinative of multiple transmission systems, so should be specifically noted that workmanship and installation quality in manufacture and installation, wraps Include necessary ready-made including accurately controlling the difference in height of plane on sill between stop and stop to drive described in [0008] section The relevant work of integral multiple of the rack tooth away from (p=π m), it is ensured that necessary precision, after detection is qualified, could trial operation；Lifting sets Using embedded system as master control system, its course of work is standby electric control system, when system is without electricity, including disconnecting Power switch or accidental power failure etc. cause jacking equipment general supply to disconnect, the dead electricity of electromagnetism puller main body 56, and electromagnetism is drawn The electromagnet pull of bar 57 disappears, and electromagnetic draw bar 57 passes through right mounting hole 59, main lever with the right transmission pivot pin 58 being fixed thereon 52nd, middle mounting hole 55, middle transmission pivot pin 53, pulling block 54, pull bar 6 are transferred to the pulling force also disappearance simultaneously of jacking block 10, and jacking block 10 is received The elastic force of spring 8 is up and drives pull bar 6, pulling block 54 up together, and the movable axis 21 being fixed on jacking block 10 follows jacking block The open end of the 10 up, open end of left single-arm lever 31 that is driven around on movable axis 21 and right single-arm lever 37 is up, Drive 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 slide core Axle 36 and the hinge component of right double-arm lever 35, rotate around fixing axle 33, left double-arm lever 34, right double-arm lever 35 lower end it is past The left and right sides is 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 past Jacking equipment drives the movement of the center position of tooth bar 17, until the at a fully engaged application position of tooth bar 17 is driven with jacking equipment, it is right Jacking equipment is braked；At the same time, electromagnetic draw bar 57 resets upwards in the presence of electromagnetism puller internal reset mechanism, reaches Make the position of right transmission pivot pin 58 and the top and bottom Jun You gaps of right mounting hole 59；When jacking equipment prepares to start, jacking equipment Electric control system control jacking equipment drive system drive jacking equipment move up a distance element, make load-supporting part And the lower plane of upper rail 15 has a microgap, described microgap with the upper plane of right movable rack 16 and left movable rack 12 Numerical value be that left movable rack 12, right movable rack 16 and jacking equipment drive 0.2~0.6 times of the sideshake of tooth bar 17；Then rise The electric control system control electromagnetism puller main body 56 of drop equipment obtains electric, and the electromagnet pull to electromagnetic draw bar 57 is produced, electromagnetism Pull bar 57 drives main lever 52 around main lever axle 51 to backspin with the right transmission pivot pin 58 being fixed thereon by right mounting hole 59 Turn, then it is descending by being driven pivot pin 53, pulling block 54, pull bar 6, jacking block 10 in the pulling of middle mounting hole, 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 56, to electromagnetism immediately The electromagnet pull disappearance of pull bar 57, up jacking block 10, left movable rack 12, right movable rack 16 are nibbled with the reliability of tooth bar 17 is driven Close, it is ensured that the safety of jacking equipment；When jacking equipment because have a power failure suddenly or other reason brake hards rest in can not During with the position of any one stop flat bed, now clasp nut control crank 23 can be placed in closing position, make clasp nut Combination 24 is normally engaged with the male thread of drive screw 25 in "on" position, its box thread, manually operates worm screw control crank 26th, rotate worm type of reduction gearing 27 and drive drive screw 25 to rotate, drive screw 25 transmission clasp nut combination 24 to Upper movement, clasp nut combination 24 drive jacking block 10 to move down, and the movable axis 21 being fixed on jacking block 10 is followed under jacking block 10 Row, while 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, Pull the lower end of left double-arm lever 34, right double-arm lever 35 past middle mobile from the left and right sides simultaneously, left double-arm lever upper end band Dynamic left movable rack 12, right double-arm lever upper end drive right movable rack 16 toward the side for leaving jacking equipment driving tooth bar 17 center To movement, until driving tooth bar 17 to be kept completely separate and have the free position in a bit of gap with jacking equipment；Then using manual Barring mechanism, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at and safe and reliable can not arbitrarily open Position, formulated rules and regulations and strictly implemented, it is ensured that only possessed qualification, authorized personnel could open and Use.
Embodiment 2 is a kind of jacking equipment electromagnetic lever flat bed of the present invention control safety catch of being provided with Jacking equipment, Figure 10 is the schematic diagram of embodiment 2, it is shown that electromagnetism puller main body 56 is in power failure state, electromagnetic lever Flat bed control safety catch implement braking when situation, Figure 11 be embodiment 2 in when electromagnetism puller main body 56 be in Electricity condition, electromagnetic lever flat bed control safety catch is in schematic diagram during free position state, the rack-and-pinion of use Jacking equipment electromagnetic lever flat bed control safety catch concrete structure is that one kind is separately provided stand-alone assembly, is then fitted into Independent electromagnetic lever flat bed control safety catch component on jacking equipment, 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, Jacking equipment general supply is caused to disconnect when system is without electricity, including disconnecting power switch or accidental power failure etc., electromagnetism is pulled The dead electricity of device main body 56, the electromagnet pull disappearance to electromagnetic draw bar 57, electromagnetic draw bar 57 and the right transmission pivot pin 58 being fixed thereon The drawing of jacking block 10 is transferred to by right mounting hole 59, main lever 52, middle mounting hole 55, middle transmission pivot pin 53, pulling block 54, pull bar 6 Power also disappears simultaneously, and jacking block 10 is up by the elastic force of spring 8 and drives pull bar 6, pulling block 54 up together, is fixed on jacking block 10 On movable axis 21 follow the open end of jacking block 10 is up, be driven around on movable axis 21 left single-arm lever 31 and right single armed The open end of 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 and the hinge component of right double-arm lever 35, rotate around fixing axle 33, left double-arm lever 34, The lower end of right double-arm lever 35 is opened toward the left and right sides, and left double-arm lever upper end is driven on left movable rack 12, right double-arm lever End drives right movable rack 16 to drive the movement of the center position of tooth bar 17 toward jacking equipment, until driving tooth bar 17 complete with jacking equipment The application position of full engagement, brakes to jacking equipment；At the same time, electromagnetic draw bar 57 is in electromagnetism puller internal reset mechanism Effect is lower to be resetted upwards, and arrival makes the position of right transmission pivot pin 58 and the top and bottom Jun You gaps of right mounting hole 59；Work as jacking equipment When preparing to start, the drive system of the electric control system control jacking equipment of jacking equipment drives jacking equipment to move up one Individual distance element, the lower plane and the upper plane of right movable rack 16 and left movable rack 12 for making load-supporting part and upper rail 15 has one Microgap, the numerical value of described microgap is that left movable rack 12, right movable rack 16 and jacking equipment drive the sideshake of tooth bar 17 0.2~0.6 times；Then the electric control system control electromagnetism puller main body 56 of jacking equipment obtains electric, to electromagnetic draw bar 57 Electromagnet pull produce, electromagnetic draw bar 57 and the right transmission pivot pin 58 being fixed thereon drive main lever 52 by right mounting hole 59 It is rotated down around main lever axle 51, then it is descending by being driven pivot pin 53, pulling block 54, pull bar 6, jacking block 10 in the pulling of middle mounting hole, Simultaneously compression spring 8, the movable axis 21 being fixed on jacking block 10 follow jacking block 10 it is descending, while pulling be centered around on movable axis 21 Left single-arm lever 31 open end and right single-arm lever 37 open end it is descending, while pulling left double-arm lever 34, right both arms From the left and right sides toward middle movement, left double-arm lever upper end is driven on left movable rack 12, right double-arm lever for the lower end of lever 35 End drives right movable rack 16 toward the direction movement for leaving jacking equipment and driving the center of tooth bar 17, until with jacking equipment sliding tooth Bar 17 is kept completely separate and has the free position in a bit of gap；Described a bit of gap, refers to 2~5mm gaps；Adjusting nut Group 9 is used to adjust the pressure of spring 8, and support 7 fixes the extreme lower position of the lower surface of spring 9；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 The dead electricity of device main body 1, electromagnet pull disappearance, up jacking block 10, left movable rack 12, right movable rack 16 to electromagnetic draw bar 2 with Drive the positive engagement of tooth bar 17, it is ensured that the safety of jacking equipment；When jacking equipment because power failure or other reasons are tight suddenly Anxious braking rest in can not with the position of any one stop flat bed when, now clasp nut control crank 23 can be placed in combined floodgate Position, make clasp nut combine 24 normally to be engaged with the male thread of drive screw 25, manually grasped in "on" position, its box thread Make worm screw control crank 26, rotate worm type of reduction gearing 27 and drive drive screw 25 to rotate, drive screw 25 transmission open Conjunction nut combination 24 is moved up, clasp nut combination 24 drives jacking blocks 10 to move down, and is fixed on the movable axis on jacking block 10 21 follow jacking block 10 it is descending, while pulling the open end and right single-arm lever 37 for being centered around left single-arm lever 31 on movable axis 21 Open end it is descending, while pulling the lower end of left double-arm lever 34, right double-arm lever 35 from the left and right sides toward middle mobile, Zuo Shuan Arm bar upper end drives left movable rack 12, right double-arm lever upper end to drive, and right movable rack 16 is past to leave jacking equipment sliding tooth The direction movement at the center of bar 17, until driving tooth bar 17 to be kept completely separate and have the free position in a bit of gap with jacking equipment； Then Manual jigger mechanism is used, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at safe and reliable The position that can not arbitrarily open, has formulated rules and regulations and has strictly implemented, it is ensured that only possess qualification, authorized people Member could open and use.
Embodiment 3, a kind of electromagnetic lever flat bed control safety catch for being mounted with directly to be set on jacking equipment The elevator of component, 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 electromagnetic lever flat bed control safety catch, the control of independent electromagnetic lever flat bed The elevator of safety catch component, its outside drawing same Figure 10, Figure 11, 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 jacking equipment electromagnetic lever flat bed controls safety catch, including, load-supporting part, rail assembly, movable teeth Bar, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the manually control device of the operating mechanism of movable rack, solution Latch mechanism；Described load-supporting part includes direct load-supporting part or middle transition load-supporting part；Described rail assembly includes The horizontal rail that upper rail, lower rail are formed, track window aperture；Movable rack passes through track window aperture, and described movable rack includes Left movable rack and right movable rack, the tooth form of the part being associated with driving tooth bar of movable rack are in and can be set with lifting The standby position for driving tooth bar engagement or being separate, by moving horizontally in the horizontal rail of rail assembly or being maintained at certain Realized in a little defined locations and the engagement of driving tooth bar or separated, described defined location, including driven with jacking equipment Application position or drive tooth bar to be kept completely separate and have the free position of an intersegmental gap with jacking equipment that carry-over bar is engaged, Described has an intersegmental gap, refers to drive tooth bar and the movable rack tooth top interplanar corresponding thereto to have the >=distance of 2mm；It is described Movable rack position-limit mechanism, including, the inner face either above or below of the part being associated with guide rail of movable rack is extremely A rare direction is provided with guiding breach, and gathering sill is collectively forming with a part for movable rack cover plate, and a guide plate part is solid It is scheduled in horizontal rail, is partly into gathering sill, gathering sill is dynamic cooperation with the mating part of guide plate, to prevent movable teeth Outside or inner side play of the bar to car；Load receiving part of the movable rack top after on-position is entered with jacking equipment car Part directly contact contacts load-bearing by middle transition load-supporting part；The operating mechanism manipulation activities tooth bar of movable rack is in-orbit Moved horizontally on road component or stopped and be maintained in some defined locations, the control of the operating mechanism of described movable rack Device includes, electromagnetism puller and its control system, and the control system of described electromagnetism puller is by jacking equipment electric-control system Power supply and control；Described jacking equipment electromagnetism pulls flat bed control safety catch, including directly in jacking equipment car The electromagnetism of upper setting pulls flat bed control safety catch component, or is separately provided stand-alone assembly, is then fitted into lifting Independent electromagnetic in equipment pulls flat bed control safety catch component；
A kind of described jacking equipment electromagnetic lever flat bed control safety catch for directly being set on jacking equipment car, Including load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, movable rack Operating mechanism control device, hand-operating unlocking mechanism；Described load-supporting part includes upper rail and main load-supporting part；Described rail Road component includes track window aperture, the horizontal rail that upper rail and main load-supporting part and lower rail are formed；Described movable rack includes Right movable rack and left movable rack, described right movable rack and left movable rack pass through track window aperture, movable rack It is in the tooth form of the part for driving tooth bar to be associated and can be led to the engagement of the driving tooth bar of jacking equipment or separate position Cross to be moved horizontally in the horizontal rail of rail assembly or be maintained at and realized in some defined locations and drive nibbling for tooth bar Close or separate, the upper rail and main load-bearing of right movable rack and left movable rack top after on-position is entered with lift car Part directly contact load-bearing, movable rack is dynamic cooperation with the fit dimension of horizontal rail, and contact surface is smooth low friction system Number surface, to be conducive to the movement of movable rack；The position-limit mechanism of described movable rack, including, movable rack and guide rail phase The inner face top of a part for contact is provided with guiding breach, and the part with movable rack cover plate is collectively forming gathering sill, leads It is fixed in horizontal rail to a plate part, is partly into gathering sill, 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；The operating mechanism of described movable rack, including, right power transmission shaft The right mounting hole that sell, is arranged on main lever, the middle mounting hole being arranged on main lever, pulling block, the middle biography that is fixed on pulling block Moving axis pin, main lever, main lever axle, pull bar, support, spring, adjusting nut group, jacking block, movable axis, left single-arm lever, left work The hinge component of the hinge component of moving mandrel and left double-arm lever, right single-arm lever, right movable mandrel and right double-arm lever, it is fixed Axle；The operating mechanism course of work of movable rack is controlled by the control device of the operating mechanism of movable rack, described movable teeth The control device of the operating mechanism of bar includes that electromagnetic draw bar, electromagnetism puller main body, described electromagnetism puller main body include electricity The control system of magnetic puller, the control system of described electromagnetism puller is powered and is controlled by jacking equipment electric-control system；Institute In the control unit of the electromagnetism puller of the jacking equipment electric control system stated also include one only by general supply control after Electrical equipment or contactor and energy storage device, described is only bridged by the relay of general supply control or the normally-closed contact of contactor Between electromagnetism puller and energy storage device, when jacking equipment obtains electric, normally-closed contact disconnects, electromagnetism puller and energy storage device it Between connection also disconnect, energy storage device energy storage；During jacking equipment dead electricity, the mistake that other electricity-loss braking devices are carried including motor Electric band brake apparatus play a role braking immediately, but electromagnetism puller not dead electricity immediately, it is described only by general supply control Relay or contactor normally-closed contact dead electricity are closed, and electromagnetism puller is connected with energy storage device, and energy storage device is drawn electromagnetism The time delay constant design tuning of dynamic device is braking time and the electromagnetism that other electricity-loss braking devices individually complete that braking needs The difference of the action total delay time of the operating mechanism of puller and movable rack；After the completion of energy storage device time delay, electromagnetism is pulled Device dead electricity；When jacking equipment general supply is disconnected without electricity, jacking equipment remains static；The operating mechanism work of movable rack Process is, when electromagnetism puller main body dead electricity, the electromagnet pull of electromagnetic draw bar is disappeared, electromagnetic draw bar be fixed thereon Right transmission pivot pin is transferred to the pulling force of jacking block by right mounting hole, main lever, middle mounting hole, middle transmission pivot pin, pulling block, pull bar Disappear simultaneously, jacking block is up and drive pull bar, pulling block up together by the elastic force of spring, be fixed on movable axis on jacking block with The open end of the, open end of left single-arm lever that is driven around on movable axis up with jacking block and right single-arm lever is up, band Move the hinge component of left single-arm lever, left movable mandrel and left double-arm lever, and right single-arm lever, right movable mandrel and right both arms The hinge component of lever, is rotated around fixing axle, and left double-arm lever, the lower end of right double-arm lever are opened toward the left and right sides, left both arms Lever upper end drives left movable rack, right double-arm lever upper end to drive right movable rack to drive tooth bar center position toward jacking equipment It is mobile, until driving the at a fully engaged application position of tooth bar with jacking equipment, jacking equipment is braked；At the same time, electromagnetism draws Bar resets upwards in the presence of electromagnetism puller internal reset mechanism, and arrival makes right transmission pivot pin equal with right mounting hole top and bottom There is the position in gap；When electromagnetism puller main body obtains electric, the electromagnet pull of electromagnetic draw bar is produced, electromagnetic draw bar be fixed on Right transmission pivot pin thereon drives main lever to be rotated down around main lever axle by right mounting hole, then by the pulling of middle mounting hole Transmission pivot pin, pulling block, pull bar, jacking block are descending, while compression spring, the movable axis being fixed on jacking block follows jacking block descending, same Shi Ladong be centered around the left single-arm lever on movable axis open end and right single-arm lever open end it is descending, while pulling left double , from the left and right sides toward middle movement, left double-arm lever upper end drives left movable rack, the right side double for arm bar, the lower end of right double-arm lever Arm bar upper end drives right movable rack toward the direction movement at jacking equipment driving tooth bar center is left, until being driven with jacking equipment Carry-over bar is kept completely separate and has the free position in a bit of gap；Described a bit of gap, refers to 2~5mm gaps；Regulation spiral shell Mother organizes the pressure for adjusting spring, and support fixes the extreme lower position of the lower surface of spring；If there is abnormal conditions, for example, rise The unexpected power down of drop equipment or because jacking equipment overspeed protective device action power dump or because jacking equipment arrival Extreme position protection device action power dump etc., now jacking equipment general supply is immediately without electricity, other electricity-loss braking devices Played a role immediately braking, after the completion of energy storage device time delay, electromagnetism puller including the dead electricity band brake apparatus that motor is carried Main body dead electricity, electromagnet pull disappearance, up jacking block, left movable rack, right movable rack to electromagnetic draw bar can with driving tooth bar By engagement, it is ensured that the safety of jacking equipment；Described electromagnetism puller, is a kind of length that selected working method is pulling mode 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 It is dynamic, the working method that small-power is maintained.
2. jacking equipment electromagnetic lever flat bed according to claim 1 controls safety catch, it is characterized in that, it is described Hand-operating unlocking mechanism, including, clasp nut control crank, clasp nut combination, drive screw, worm screw control crank, worm gear snail Bar decelerator, wherein clasp nut combine with pulling block be fixedly connected, the worm gear of drive screw and worm type of reduction gearing is solid Fixed connection, usually, clasp nut control crank be placed in open a sluice gate position, clasp nut combination in open a sluice gate state, its box thread with The male thread of drive screw has no effect without engagement, drive screw to the motion that clasp nut is combined, so that manual unlocking machine Motion of the structure to electromagnetic lever flat bed control safety catch has no effect, when jacking equipment because having a power failure suddenly or it Its reason brake hard rest in can not with the position of any one stop flat bed when, clasp nut control crank can now be put In closing position, combine clasp nut normally to be engaged with the male thread of drive screw in "on" position, its box thread, manually Worm screw control crank is operated, worm type of reduction gearing is rotated and is driven drive screw rotation, drive screw to be driven clasp nut Combination move up, clasp nut combination drive pulling block move up, the movable axis being fixed on pulling block follow pulling block 9 it is up, Lever left, right lever underarm is driven to be rotated toward inner side around left fixed shaft, right fixed shaft, lever left, the upper arm of right lever drive left Movable rack, right movable rack drive the direction movement at tooth bar center toward jacking equipment is left, until with jacking equipment sliding tooth Bar is kept completely separate and has the free position in a bit of gap；Then Manual jigger mechanism is used, makes jacking equipment flat bed nearby；Institute The hand-operating unlocking mechanism stated is necessarily placed at the safe and reliable position that can not arbitrarily open, and has formulated rules and regulations and strict reality Apply, it is ensured that only possess qualification, authorized personnel could open and use.
3. jacking equipment electromagnetic lever flat bed according to claim 1 controls safety catch, it is characterized in that, movable teeth The tooth form with the part for driving tooth bar to be associated of bar tooth form only manufacturing activities tooth bar, along the close jacking equipment in facewidth B directions Inside car, part is not omitted with the part for driving tooth bar to contact, and there is round-corner transition all tooth form roots, to subtract Few stress concentration；Described movable rack tooth form facewidth B should be greater than driving the tooth bar facewidth.
4. jacking equipment electromagnetic lever flat bed according to claim 1 controls safety catch, it is characterized in that, in configuration When the jacking equipment for having electromagnetic lever flat bed control safety catch of the invention installs early stage civil engineering, it is necessary to by right The difference in height of stop and stop carries out accurate measurement, each stop sill is constructed and controls accordingly and accurately stop and stop Between on sill the difference in height of plane be the integral multiple for driving tooth bar tooth pitch, when jacking equipment is installed, correctly adjust lifting and set It is standby with drive working in coordination for tooth bar so that jacking equipment just stops leveling accuracy from ground floor and in median.
5. jacking equipment electromagnetic lever flat bed according to claim 1 controls safety catch, it is characterized in that, it is described A kind of independent electromagnetic lever flat bed control safety catch group of jacking equipment electromagnetic lever flat bed control safety catch Part, including the separate space surrounded by supporting frame, mounting base, panel, the load-bearing in described separate space Part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the manipulation machine of movable rack The control device of structure, hand-operating unlocking mechanism；Described load-supporting part is supporting frame, belongs to a kind of middle transition load-supporting part Component, is bolted or other connected modes are connected with the load-carrying members of jacking equipment car；Described rail assembly Including horizontal rail, track window aperture that upper rail and lower rail are formed, described movable rack includes left movable rack, right movable teeth Bar；The operating mechanism of described movable rack, including, it is right to be driven pivot pin, the right mounting hole being arranged on main lever, be arranged on master Middle mounting hole, pulling block, middle transmission pivot pin, main lever, main lever axle, pull bar, support, the bullet being fixed on pulling block on lever Spring, adjusting nut group, jacking block, movable axis, the hinge component of left single-arm lever, left movable mandrel and left double-arm lever, right single armed The hinge component of lever, right movable mandrel and right double-arm lever, fixing axle；The operating mechanism course of work of movable rack is by activity The control device control of the operating mechanism of tooth bar, the control device of the operating mechanism of described movable rack includes, electromagnetic draw bar, Electromagnetism puller main body, described electromagnetism puller main body include the control system of electromagnetism puller, described electromagnetism puller Control system powered and controlled by jacking equipment electric-control system；The electromagnetism puller of described jacking equipment electric control system Control unit in also include one only by the relay or contactor and energy storage device of general supply control, it is described only by total The relay of power supply or the normally-closed contact of contactor are connected across between electromagnetism puller and energy storage device, and jacking equipment is obtained When electric, normally-closed contact disconnects, and the connection between electromagnetism puller and energy storage device also disconnects, energy storage device energy storage；Jacking equipment During dead electricity, other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, but electromagnetism Puller not dead electricity immediately, it is described only by the relay or contactor normally-closed contact dead electricity closure of general supply control, make Electromagnetism puller is connected with energy storage device, and energy storage device is other dead electricity to the time delay constant design tuning of electromagnetism puller The braking time that brake apparatus individually completes braking and needs always is prolonged with the action of electromagnetism puller and the operating mechanism of movable rack The difference of slow time；After the completion of energy storage device time delay, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity, rise Drop equipment remains static；The operating mechanism course of work of movable rack is, when electromagnetism puller main body dead electricity, to electromagnetism The electromagnet pull of pull bar disappears, and electromagnetic draw bar is with the right transmission pivot pin being fixed thereon by right mounting hole, main lever, middle kidney-shaped Hole, middle transmission pivot pin, pulling block, pull bar are transferred to the pulling force of jacking block also while disappearing, jacking block receives the elastic force of spring up and band Dynamic pull bar, pulling block are up together, and the movable axis being fixed on jacking block follows the left list that jacking block is up, be driven around on movable axis The open end of the open end of arm bar and right single-arm lever is up, drives left single-arm lever, left movable mandrel and left double-arm lever Hinge component, and right single-arm lever, right movable mandrel and right double-arm lever hinge component, rotated around fixing axle, left both arms Lever, the lower end of right double-arm lever are opened toward the left and right sides, and left double-arm lever upper end is driven on left movable rack, right double-arm lever End drives right movable rack to drive the movement of tooth bar center position toward jacking equipment, until driving tooth bar at a fully engaged with jacking equipment Application position, to jacking equipment brake；At the same time, electromagnetic draw bar in the presence of electromagnetism puller internal reset mechanism to Upper reset, arrival makes the position of right transmission pivot pin and right mounting hole top and bottom Jun You gaps；When electromagnetism puller main body obtains electric, Electromagnet pull to electromagnetic draw bar is produced, and electromagnetic draw bar drives main thick stick with the right transmission pivot pin being fixed thereon by right mounting hole Bar is rotated down around main lever axle, then descending by being driven pivot pin, pulling block, pull bar, jacking block in the pulling of middle mounting hole, while compression Spring, the movable axis being fixed on jacking block follow jacking block it is descending, while pulling the left single-arm lever being centered around on movable axis to open The open end for putting end and right single-arm lever is descending, while pulling the lower end of left double-arm lever, right double-arm lever past from the left and right sides Centre is mobile, and left double-arm lever upper end drives left movable rack, right double-arm lever upper end to drive right movable rack toward leaving lifting The direction movement at device drives tooth bar center, until driving tooth bar to be kept completely separate and have the freedom in a bit of gap with jacking equipment Position；Described a bit of gap, refers to 2~5mm gaps；Adjusting nut group is used to adjust the pressure of spring, and support fixes bullet The extreme lower position of the lower surface of spring；Surpass if there is abnormal conditions, such as unexpected power down of jacking equipment or because of jacking equipment Fast protection device action power dump or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., Now jacking equipment general supply immediately without electricity, send out immediately including the dead electricity band brake apparatus that motor is carried by other electricity-loss braking devices Effect braking is waved, after the completion of energy storage device time delay, electromagnetism puller main body dead electricity, the electromagnet pull of electromagnetic draw bar is disappeared, Jacking block is up, left movable rack, right movable rack with drive tooth bar positive engagement, it is ensured that the safety of jacking equipment；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 electromagnetism control Performer is made in braking, using power supply power-up control conversion, high-power start, the working method that small-power is maintained.
6. jacking equipment electromagnetic lever flat bed according to claim 1 controls safety catch, it is characterized in that, it is described The control system of electromagnetism puller is powered and is controlled by jacking equipment electric-control system, and its rate-determining steps includes following control step Suddenly, when jacking equipment prepares to start, the electric control system control jacking equipment drive system of jacking equipment drives lifting to set Standby to move up a distance element, the lower plane and the upper plane of right movable rack and left movable rack for making load-supporting part have one Microgap, the numerical value of described microgap be left movable rack, right movable rack and jacking equipment drive tooth bar sideshake 0.2~ 0.6 times；Then control electromagnetism puller main body obtains electric.
7. a kind of elevator, it is characterized in that, install and use the lifting in claim 1- claims 6 described in any claim and set Standby electromagnetic lever flat bed control safety catch.
CN201611221129.0A 2016-12-27 2016-12-27 Lifting device electromagnetic lever leveling controls safety catch Active CN106744143B (en)

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