CN106744144A - Jacking equipment electromagnetic propulsion rack-and-pinion safety catch - Google Patents

Abstract

A kind of jacking equipment electromagnetic propulsion rack-and-pinion safety catch, electromagnetic propulsion movable rack is moved horizontally or is maintained in some defined locations in orbit, 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；Braked using the safeguard protection of electromagnetic propulsion rack-and-pinion, play the beneficial effect for significantly improving langding accuracy and safeguard protection braking quality.

Description

Jacking equipment electromagnetic propulsion rack-and-pinion safety catch

Technical field

The present invention relates to jacking equipment safety catch field, more particularly to a kind of jacking equipment electromagnetic propulsion tooth bar Formula safety catch.

Background technology

The safety arrestment measure of existing pinion and-rack jacking equipment, or by motor shaft brake or be By the braking to gear shaft or be by the braking to middle transmission link axle, these methods be actually with friction make It is dynamic to make gear stop operating to realize braking；Friction catch is present probably due to friction material abrasion or oil pollution etc. draw The brake force for rising lowers the possibility of even failure；And, if drive gear occurs problem, make gear stop operating to realize Braking cannot produce braking effect；Therefore, to ensure safety, pinion and-rack jacking equipment should be configured reliably can Reply includes that drive gear occurs the safety arrestment measure of problem and similar safety problem；It is a kind of feasible using rack brake Method.

The content of the invention

The purpose of the present invention, is to provide a kind of reliable coping with and problem and similar safety occurs including drive gear Problem, relatively simple for structure, lighter safety catch of conducting oneself with dignity.

A kind of jacking equipment electromagnetic propulsion rack-and-pinion safety catch (hereinafter referred to as electromagnetic propulsion rack-and-pinion safety arrestment Device), 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 include direct load-supporting part or Middle transition load-supporting part；Described rail assembly (referring to Fig. 1) includes upper rail 16 (simultaneous load-supporting part in Fig. 1), lower rail 19 The horizontal rail of formation, track window aperture 12；Movable rack passes through track window aperture 12, and described movable rack includes left activity Tooth bar 13 and right movable rack 17, the tooth form of the part being associated with driving tooth bar 18 of movable rack are in and can be set with lifting The position that standby driving tooth bar 18 engages or be separate, moves horizontally or is maintained at by the horizontal rail of rail assembly In some defined locations realize with driving tooth bar engagement or separate, described defined location, including with jacking equipment Drive the application position (referring to Fig. 1) of tooth bar engagement or drive tooth bar to be kept completely separate and have an intersegmental gap with jacking equipment Free position (referring to Fig. 2), described has an intersegmental gap, refer to drive tooth bar and movable rack tooth top plane corresponding thereto Between have >=the distance of 2mm；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 is provided with guiding breach, (referring to Fig. 3), with movable rack cover plate (left cover 14th, right cover plate is 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 16 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 electromagnetic driver, and described electromagnetic driver includes push rod 2, electricity Magnetic pusher body 1, described electromagnetic driver main body 1 includes electromagnetic system, the control system of electromagnetic driver, described electricity The control system of magnetic pusher is powered and is controlled by jacking equipment electric control system, described jacking equipment electromagnetic propulsion tooth bar Formula safety catch, including the safety catch component for directly being set on jacking equipment car, or be separately provided solely Vertical component, the individual secure brake assemblies being then fitted on jacking equipment.

Fig. 1 is a kind of jacking equipment electromagnetic propulsion rack-and-pinion safety catch for directly being set on jacking equipment car Structural representation, it is illustrated that direction is directly installed on jacking equipment sedan-chair for jacking equipment electromagnetic propulsion rack-and-pinion safety catch 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 18 to can only see its sub-fraction for passing through the display of track window aperture 12, right movable rack 17 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 13 plus a left side has been covered The combination of cover plate 14 is similar, the two be with tooth bar in the middle of center chain-dotted line 15 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 18 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 The jacking equipment electromagnetic propulsion rack-and-pinion safety catch set on jacking equipment car, 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 upper rail and main load-supporting part 16；Described rail assembly includes track window The horizontal rail that oral pore 12, upper rail and main load-supporting part 16 and lower rail 19 are formed；Described movable rack includes right movable rack 17 and left movable rack 13, described right movable rack 17 and left movable rack 13 pass through track window aperture 12, movable rack The position that can be engaged or be separate with the driving tooth bar 18 of jacking equipment is in the tooth form of the part for driving tooth bar to be associated, Realized and driving tooth bar 18 by moving horizontally or being maintained in some defined locations in the horizontal rail of rail assembly Engagement or separation, the upper rail of right movable rack 17 and the top of left movable rack 13 after on-position is entered with lift car And the directly contact load-bearing of main load-supporting part 16, movable rack is 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；Fig. 3 is the A-A partial sectional views of Fig. 1, described movable teeth The position-limit mechanism of bar, including, the inner face top for the part that movable rack is associated with guide rail is provided with guiding breach, with activity A part for tooth bar cover plate (left cover 14, right cover plate do not have draw) is collectively forming gathering sill 28, and the part of guide plate 29 is fixed In horizontal rail 16, gathering sill 28 is partly into, gathering sill 28 is dynamic cooperation with the mating part of guide plate 29, to prevent Outside or inner side play of the movable rack to car 30；The operating mechanism of described movable rack includes, lever left 10, You Gang Bar 20, left fixed shaft 11, right fixed shaft 21, movable axis 22, pulling block 9, support 8, spring 7, adjusting nut group 6, pull bar 5, jacking block 4th, block 3 is protected；The control device of the operating mechanism of described movable rack includes electromagnetic driver, described electromagnetic driver bag Include the electromagnetic system of electromagnetism push rod 2, electromagnetic driver main body 1, described electromagnetic driver main body including electromagnetic driver, control System, the control system of described electromagnetic driver is powered and is controlled by jacking equipment electric control system；Described lifting sets Also include a relay for only being controlled by general supply in the control unit of the electromagnetic driver of standby electric control system or connect Tentaculum and energy storage device, the described relay for only being controlled by general supply or the normally-closed contact of contactor are connected across electromagnetic propulsion Between device and energy storage device, when jacking equipment obtains electric, normally-closed contact disconnects, the connection between electromagnetic driver and energy storage device Disconnect, energy storage device energy storage；During jacking equipment dead electricity, the dead electricity band brake apparatus that other electricity-loss braking devices are carried including motor Play a role braking immediately, but electromagnetic driver not dead electricity immediately, it is described only by general supply control relay or Contactor normally-closed contact dead electricity is closed, and electromagnetic driver is connected with energy storage device, delay of the energy storage device to electromagnetic driver Time (discharge time) constant design tuning 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 pusher and movable rack；For example, certain other dead electricity of jacking equipment Brake apparatus individually completes braking time that braking needs for 3.5S, the action of the operating mechanism of electromagnetic driver and movable rack Total delay time is 0.2S, then energy storage device is (3.5S-0.2S=) to the time delay constant design tuning of electromagnetic driver 3.3S, after the completion of energy storage device time delay, electromagnetic driver dead electricity；When jacking equipment general supply is disconnected without electricity (including initial shape State after state or dead electricity after the release of energy storage device energy), jacking equipment remains static；The operating mechanism of movable rack The course of work is, when electromagnetic driver 1 dead electricity of main body, the bullet that electromagnetism push rod 2 is descending with protection block 3, jacking block 4 receives spring 7 Power effect is descending immediately following protection block 3 and electromagnetism push rod 2 and drives pull bar 5, pulling block 9 descending together, is fixed on the work on pulling block 9 Moving axis 22 follows descending pulling block 9, drive lever left 10, the underarm of right lever 20 to turn toward outside around left fixed shaft 11, right fixed shaft 21 It is dynamic, during lever left 10, the upper arm of right lever 20 drive left movable rack 13, right movable rack 17 to drive tooth bar 18 toward jacking equipment Heart direction is moved, until with drive the at a fully engaged application position of tooth bar 18, jacking block 4 stop it is descending, but electromagnetism push rod 2 with Protection block 3 continues traveling downwardly a small distance, reaches and keeps discontiguous state with jacking block 4, to ensure left movable rack 13, right work Carry-over bar 17 and the driving positive engagement of tooth bar 18, described a small distance refers to 2~5mm distances；When electromagnetic driver main body 1 it is electric when, control electromagnetism push rod 2 is up, and block 3 is up with protection for electromagnetism push rod 2, the top pressure of protected piece 3 of jacking block 4 is also up And drive pull bar 5, pulling block 9 up together while compression spring 7, the movable axis 22 being fixed on pulling block 9 is followed on pulling block 9 Row, drive lever left 10, the underarm of right lever 20 are rotated around left fixed shaft 11, right fixed shaft 21 toward inner side, lever left 10, right lever 20 upper arm drives left movable rack 13, right movable rack 17 toward the direction movement for leaving jacking equipment driving tooth bar 18 center, Until driving tooth bar 18 to be kept completely separate and have the free position in a bit of gap with jacking equipment, described a bit of gap is Refer to 2~5mm gaps；Adjusting nut group 6 is used to adjust the pressure of spring 7, and support 8 supports the highest of the upper surface of fixed spring 7 Position；If there is abnormal conditions, the unexpected power down of such as jacking equipment or because jacking equipment overspeed protective device action cut Power-off source or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., now jacking equipment is always electric Immediately without electricity, other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, in storage in source Can be after the completion of device time delay, the dead electricity of electromagnetic driver main body 1, electromagnetism push rod 2 with protection block 3 it is descending be reset to original state, Jacking block 4 is descending, left movable rack 13, right movable rack 17 with drive the positive engagement of tooth bar 18, it is ensured that the safety of jacking equipment； In the case of brake hard, left movable rack 13, right movable rack 17 may not have at a fully engaged with tooth bar 18 is driven at the beginning, most Adverse conditions may occur the situation that the peak of tooth bar and peak are contacted when being braking as shown in Figure 4, now in bullet Friction catch is temporarily become under power effect, if now the braking moment of jacking equipment whole brake apparatus adds up and is enough to realize Braking, 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 liter Drop equipment glides, (because there is braking moment to act on, just start glide can be slower), when slip down to stagger peak and During the position of peak, left movable rack 13, right movable rack 17 will clamp-on the teeth groove for driving tooth bar 18 under elastic force promotion In (referring to Fig. 5), then as continue glide, continue to clamp-on, until left movable rack 13, right movable rack 17 with drive tooth bar 18 positive engagements, implement braking；Described electromagnetic driver, is that a kind of selected working method is the long-stroke push-and-pull electromagnetism for promoting Iron, is a kind of new Electromagnetic Control action executing device, and using power supply power-up control conversion, high-power start, small-power is maintained Working method, than producing, the old-fashioned electromagnet volume of onesize active force 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 motion nothing of the hand-operating unlocking mechanism to electromagnetic propulsion rack-and-pinion safety catch Any influence, can not put down because power failure or other reason brake hards suddenly are rested in when jacking equipment with any one stop During the position of layer, now clasp nut control crank 23 can be placed in closing position, clasp nut is combined 24 in combined floodgate shape State, its box thread normally engage with the male thread of drive screw 25, manually operate worm screw control crank 26, worm and gear is slowed down 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 group Close 24 drive pulling blocks 9 move up, the movable axis 22 being fixed on pulling block 9 follow pulling block 9 it is up, drive lever left 10, You Gang The underarm of bar 20 is rotated around left fixed shaft 11, right fixed shaft 21 toward inner side, and lever left 10, the upper arm of right lever 20 drive left movable teeth Bar 13, right movable rack 17 drive the direction movement at tooth bar 18 center toward jacking equipment is left, until with jacking equipment sliding tooth Bar 18 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； 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 strict 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.

It is its drive using the distance between each possible braking anchor point of the jacking equipment of safety catch of the invention The integral multiple of carry-over bar tooth pitch (p=π m), therefore it is configured with the lifting of electromagnetic propulsion rack-and-pinion safety catch of the invention The installation method of equipment includes, when carrying out and install relevant early stage civil engineering, it is necessary to by the height to stop and stop Difference carries out accurate measurement, each stop sill is constructed accordingly and accurate plane on sill between control stop and stop Difference in height is the integral multiple of driving tooth bar tooth pitch (p=π m), according to the regulation of GB/T10058, it is allowed to which error is ± 10mm (constructions Internally controlling requirement should be less than this error amount)；When jacking equipment is installed, correct regulation drives the position of tooth bar so that lifting sets Standby car just stops leveling accuracy from ground floor and in median, then later stop flat bed can just meet the requirements, or even When other indivedual flat bed element failures, stop leveling accuracy is also can guarantee that；And flat bed holding precision can be remote The requirement of ± the 20mm specified better than GB/T10058.

The present invention carries out safeguard protection braking using electromagnetic propulsion tooth bar engagement system, it is to avoid existing friction catch side It is that formula is likely to occur because the potential safety hazard that causes of friction material abrasion or oil pollution etc., improve safety arrestment can By property；Even if meeting the situation that drive gear occurs problem, also can reliably brake, it is ensured that safety；Its flat bed keeps the precision can be with Reach the requirement of ± 20mm for being much better than GB/T10058 regulations；Structure is simpler, and deadweight is relatively light, and be significantly increased safeguard protection Braking quality, raising runnability, the beneficial effect of energy saving.

Brief description of the drawings

Fig. 1 is a kind of structural representation of jacking equipment electromagnetic propulsion rack-and-pinion safety catch.

Fig. 2 is schematic diagram of the electromagnetic propulsion rack-and-pinion safety catch described in Fig. 1 in 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 the schematic diagram that left and right movable rack is clamp-oned during jacking equipment drives the teeth groove of tooth bar under elastic force promotion.

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 of embodiment 1.

The situation schematic diagram that Fig. 8 is braked for the electromagnetic propulsion rack-and-pinion safety catch of embodiment 1 to elevator.

Fig. 9 is the schematic diagram of embodiment 2.

Figure 10 is schematic diagram when electromagnetic propulsion rack-and-pinion safety catch is in free position in embodiment 2.

Figure 11 is a kind of schematic diagram of individual secure brake assemblies of electromagnetic propulsion rack-and-pinion safety catch.

Specific embodiment

Embodiment 1, a kind of electromagnetic propulsion rack-and-pinion safety arrestment dress for being mounted with directly to be set on jacking equipment car Put the jacking equipment of component, Fig. 7 is the schematic diagram of embodiment 1, drawing show be elevator side outward appearance, described electromagnetic propulsion Rack-and-pinion safety catch be arranged on rack-and-pinion jacking equipment on temporarily in free position, jacking equipment prepare operation or Person be currently running in situation, Fig. 8 is that the electromagnetic propulsion rack-and-pinion safety catch of embodiment 1 is braked to jacking equipment Situation schematic diagram, (left and right described in figure above is that, from jacking equipment the inside toward in terms of jacking equipment side, Fig. 7,8 are from outer Face is seen toward jacking equipment side, so left and right directions is just anti-phase), described electromagnetic propulsion rack-and-pinion safety catch is necessary Installed in the lower section of the main load-carrying members of jacking equipment, directly contact or by middle transition component contact load-bearing, the electricity of use Magnetic promotes the explanation of its internal structure each several part of rack-and-pinion safety catch composition and effect as shown in Fig. 1~6, and [0005] described in section, [0006] section, [0007] section, embodiment 1 is related to the matching coordinative of multiple transmission systems, thus manufacture and Workmanship and installation quality, including must carry out on accurate control stop described in [0008] section are should be specifically noted that during installation The difference in height of plane is the work of the integral multiple of driving tooth bar tooth pitch (p=π m) on sill between stop, it is ensured that necessary essence Degree, after detection is qualified, could trial operation；The electric control system of jacking equipment uses embedded system as master control system, its The course of work is to cause that jacking equipment general supply is broken when system is without electricity, including disconnecting power switch or accidental power failure etc. Open, the dead electricity of electromagnetic driver main body 1, control push rod 2 is descending, block 3 is descending with protection for push rod 2, jacking block 4 by spring 7 elastic force Effect is descending immediately following protection block 3 and push rod 2 and drives pull bar 5, pulling block 9 descending together, is fixed on the movable axis 22 on pulling block 9 Descending pulling block 9, drive lever left 10, the underarm of right lever 20 is followed to be rotated toward outside around left fixed shaft 11, right fixed shaft 21, left thick stick Bar 10, the upper arm of right lever 20 drive left movable rack 13, right movable rack 17 to drive the center position of tooth bar 18 toward jacking equipment It is mobile, until the application position at a fully engaged with tooth bar 18 is driven, jacking block 4 stop it is descending, but push rod 2 with protection block 3 after Continue descending a small distance, reach and keep discontiguous state with jacking block 4, to ensure left movable rack 13, right movable rack 17 With the driving positive engagement of tooth bar 18, described a small distance refers to 2~5mm distances；When jacking equipment prepares to start, rise The electric control system control jacking equipment drive system of drop equipment drives jacking equipment to move up a distance element, makes load-bearing The lower plane of part 16 and the upper plane of right movable rack 17 and left movable rack 13 have a microgap, described microgap Numerical value is 0.2~0.6 times that left movable rack 13, right movable rack 17 and jacking equipment drive the sideshake of tooth bar 18；Then control Electromagnetic driver main body 1 it is electric, block 3 is up with protection for push rod 2, the top pressure of protected piece 3 of jacking block 4 is also up and drives drawing Bar 5, pulling block 9 are up together while compression spring 7, and the movable axis 22 being fixed on pulling block 9 follows that pulling block 9 is up, drive left thick stick Bar 10, the underarm of right lever 20 are rotated around left fixed shaft 11, right fixed shaft 21 toward inner side, lever left 10, the upper arm band of right lever 20 Dynamic left movable rack 13, right movable rack 17 drive the direction movement at the center of tooth bar 18 toward jacking equipment is left, until with lifting Device drives tooth bar 18 is kept completely separate and has the free position in a bit of gap, described a bit of gap, between referring to 2~5mm Gap；For jacking equipment startup is ready；When jacking equipment needs to stop after starting, the electric control system of jacking equipment is first broken Open jacking equipment motor power, motor deceleration, when close to stop position, such as when close to level position, jacking equipment Electric control system control the dead electricity of electromagnetic driver main body 1 on schedule, control push rod 2 is descending, until left movable rack 13, right Movable rack 17 drives the application position of the positive engagement of tooth bar 18 with jacking equipment；If occurred when jacking equipment is currently running different The unexpected power down of reason condition, such as jacking equipment or because jacking equipment overspeed protective device action power dump or 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 is without electricity, Other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, complete in energy storage device time delay Cheng Hou, the dead electricity of electromagnetic driver main body 1, the control push rod 2 of electromagnetic driver main body 1 is descending, left movable rack 13, right movable rack 17 drive the positive engagement of tooth bar 18 with jacking equipment, it is ensured that the safety of jacking equipment；When jacking equipment because suddenly have a power failure or Person other reason brake hards rest in can not with the position of any one stop flat bed when, now clasp nut can be manipulated hand Handle 23 is placed in closing position, clasp nut is being combined 24 male threads in "on" position, its box thread and drive screw 25 just Often engage, manually operate worm screw control crank 26, rotate worm type of reduction gearing 27 and drive drive screw 25 to rotate, be driven The transmission clasp nut of screw rod 25 combination 24 is moved up, clasp nut combination 24 drives pulling block 9 to move up, and is fixed on pulling block 9 On movable axis 22 follow that pulling block 9 is up, drive lever left 10, the underarm of right lever 20 past around left fixed shaft 11, right fixed shaft 21 Inner side rotates, and lever left 10, the upper arm of right lever 20 drive left movable rack 13, right movable rack 17 to be driven toward jacking equipment is left The direction movement at the center of carry-over bar 18, until driving tooth bar 18 to be kept completely separate and have the free position in a bit of gap with jacking equipment Put；Then Manual jigger mechanism is used, makes the slow steady flat bed nearby of jacking equipment；Described hand-operating unlocking mechanism must be provided with In the safe and reliable position that can not arbitrarily open, rules and regulations are formulated and have strictly implemented, it is ensured that only possessed qualification, obtain Could open and use to the personnel for authorizing.

The electromagnetic propulsion rack-and-pinion safety catch individual secure braking of the present invention for one kind is provided with of embodiment 2 The jacking equipment of device assembly, Fig. 9 is the schematic diagram of embodiment 2, it is shown that electromagnetic driver main body 1 is in power failure state, Electromagnetic propulsion rack-and-pinion safety catch implement braking when situation, Figure 10 be embodiment 2 at electromagnetic driver main body 1 In electricity condition is obtained, electromagnetic propulsion rack-and-pinion safety catch is in schematic diagram during free position state, and the lifting of use sets Standby electromagnetic propulsion rack-and-pinion safety catch concrete structure is that one kind is separately provided stand-alone assembly, is then fitted into jacking equipment On individual secure brake assemblies, Figure 11 is one kind of described jacking equipment electromagnetic propulsion rack-and-pinion safety catch The schematic diagram of individual secure brake assemblies, picture is the view for having shed base plate in figure, the planar peripheral size of base plate and As panel 49, from its no track window aperture 50 above unlike panel 49, certain base plate must also have enough holding Beijing South Maxpower Technology Co. Ltd's power；A kind of individual secure brake assemblies of described jacking equipment electromagnetic propulsion rack-and-pinion safety catch, bag Include the separate space surrounded by supporting frame 48, mounting base, panel 49, the load receiving part in described separate space Part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the operating mechanism of movable rack Control device, hand-operating unlocking mechanism；Described load-supporting part is supporting frame 48, 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 50 that upper rail 46 and lower rail 47 are formed, described movable rack include left movable rack 13, Right movable rack 17, the operating mechanism of described movable rack includes, lever left 10, right lever 20, left fixed shaft 11, right fixation Axle 21, movable axis 22, pulling block 9, support 8, spring 7, adjusting nut group 6, pull bar 5, jacking block 4, protection block 3；Described movable teeth The control device of the operating mechanism of bar includes that push rod 2, electromagnetic driver main body 1, described electromagnetic driver main body include electromagnetism The electromagnetic system of pusher, control system, the control system of described electromagnetic driver powered by jacking equipment electric-control system and Control；Fig. 1~6 are shown in the explanation of its internal structure each several part of the electromagnetic propulsion rack-and-pinion safety catch of use composition and effect It is shown, and described in [0005] section, [0006] section, [0007] section, embodiment 1 is related to the matching coordinative of multiple transmission systems, institute Should be specifically noted that workmanship and installation quality, including must carry out on standard described in [0008] section in manufacture and installation The difference in height of plane on sill between stop and stop is really controlled to drive the work of the integral multiple of tooth bar tooth pitch (p=π m), is protected Necessary precision is demonstrate,proved, after detection is qualified, could trial operation；The electric control system of jacking equipment is using embedded system as master Control system, its course of work is to cause jacking equipment when system is without electricity, including disconnecting power switch or accidental power failure etc. General supply disconnects, the dead electricity of electromagnetic driver main body 1, and the elastic force effect that push rod 2 is descending with protection block 3, jacking block 4 receives spring 7 is tight Descending and drive pull bar 5, pulling block 9 descending together with protection block 3 and push rod 2, the movable axis 22 being fixed on pulling block 9 follows drawing Block 9 is descending, drive lever left 10, the underarm of right lever 20 to be rotated toward outside around left fixed shaft 11, right fixed shaft 21, lever left 10, The upper arm of right lever 20 drives left movable rack 13, right movable rack 17 to drive the movement of the center position of tooth bar 18 toward jacking equipment, Until with drive the at a fully engaged application position of tooth bar 18, jacking block 4 stop it is descending, but push rod 2 is continued traveling downwardly with protection block 3 A small distance, reaches and keeps discontiguous state with jacking block 4, to ensure left movable rack 13, right movable rack 17 and drive The positive engagement of tooth bar 18, described a small distance refers to 2~5mm distances；When jacking equipment prepares to start, jacking equipment Electric control system control jacking equipment drive system drive jacking equipment to move up a distance element, make load-supporting part 16 Lower plane have a microgap with the upper plane of right movable rack 17 and left movable rack 13, the numerical value of described microgap is Left movable rack 13, right movable rack 17 drive 0.2~0.6 times of the sideshake of tooth bar 18 with jacking equipment；Then control electromagnetism is pushed away Dynamic device main body 1 it is electric, push rod 2 is with protection block 3 is up, the top pressure of protected piece 3 of jacking block 4 is also up and drives pull bar 5, draw Block 9 is up together while compression spring 7, and the movable axis 22 being fixed on pulling block 9 follows that pulling block 9 is up, drive lever left 10, right The underarm of lever 20 is rotated around left fixed shaft 11, right fixed shaft 21 toward inner side, and lever left 10, the upper arm of right lever 20 drive left activity Tooth bar 13, right movable rack 17 drive the direction movement at the center of tooth bar 18 toward jacking equipment is left, and are driven up to jacking equipment Tooth bar 18 is kept completely separate and has the free position in a bit of gap, and described a bit of gap refers to 2~5mm gaps；It is lifting Equipment starts ready；When jacking equipment needs to stop after starting, the electric control system of jacking equipment first disconnects lifting and sets Standby motor power, motor deceleration, when close to stop position, such as when close to level position, the electric-controlled of jacking equipment System processed controls the dead electricity of electromagnetic driver main body 1 on schedule, and control push rod 2 is descending, until left movable rack 13, right movable rack 17 application positions that the positive engagement of tooth bar 18 is driven with jacking equipment；If occurring abnormal conditions when jacking equipment is currently running, The unexpected power down of such as jacking equipment or because jacking equipment overspeed protective device action power dump or or because liter Drop equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., and now jacking equipment general supply is without electricity, other mistakes Electric braking device 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, The dead electricity of electromagnetic driver main body 1, push rod 2 is descending for the control of electromagnetic driver main body 1, left movable rack 13, right movable rack 17 with Jacking equipment drives the positive engagement of tooth bar 18, it is ensured that the safety of jacking equipment；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, now can be clasp nut control crank 23 It is placed in closing position, male threads of the clasp nut combination 24 in "on" position, its box thread and drive screw 25 is normally nibbled Close, 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 combinations 24 are moved up, clasp nut combination 24 drives pulling block 9 to move up, and are fixed on pulling block 9 Movable axis 22 follows that pulling block 9 is up, drive lever left 10, the underarm of right lever 20 around left fixed shaft 11, right fixed shaft 21 toward inner side Rotate, lever left 10, the upper arm of right lever 20 drive left movable rack 13, right movable rack 17 toward leaving jacking equipment sliding tooth The direction movement at the center of bar 18, until driving tooth bar 18 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 the slow steady flat bed nearby of jacking equipment；Described hand-operating unlocking mechanism is necessarily placed at The safe and reliable position that can not arbitrarily open, has formulated rules and regulations and has strictly implemented, it is ensured that only possessed qualification, obtain The personnel of mandate could open and use.

Embodiment 3, a kind of electromagnetic propulsion rack-and-pinion safety arrestment dress for being mounted with directly to be set on jacking equipment car The elevator of component is put, its outside drawing same Fig. 7, Fig. 8, operation principle are described identical with [0021] section.

Embodiment 4, one kind is provided with electromagnetic propulsion rack-and-pinion safety catch individual secure braking of the present invention The elevator of device assembly, its outside drawing same Fig. 9, Figure 10, operation principle is described identical with [0022] section.

For the benefit of reader understand the present invention, this specification citing describe some concrete structures and data, these be all for Explanation and it is non-limiting, the various changes done in the range of the basic thought of the claims in the present invention, replace and change is produced Raw all or part of equivalent, all within the scope of the invention as claimed.

Claims (8)

1. a kind of jacking equipment electromagnetic propulsion rack-and-pinion 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, manual unlocking machine Structure；Described load-supporting part includes direct load-supporting part or middle transition load-supporting part；Described rail assembly include upper rail, The horizontal rail that lower rail is formed, track window aperture；Movable rack passes through track window aperture, and described movable rack includes left activity Tooth bar and right movable rack, being in the tooth form of the part for driving tooth bar to be associated for movable rack can be with the drive of jacking equipment The position that carry-over bar engages or be separate, by moving horizontally in the horizontal rail of rail assembly or being maintained at some determinations Position on realize with drive tooth bar engagement or separate, described defined location, including with jacking equipment driving tooth bar The application position of engagement or with jacking equipment drive tooth bar be kept completely separate and have the free position of an intersegmental gap, it is described There is an intersegmental gap, refer to drive tooth bar and the movable rack tooth top interplanar corresponding thereto to have the >=distance of 2mm；Described activity The position-limit mechanism of tooth bar, including, the inner face either above or below at least of the part being associated with guide rail of movable rack Individual 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 fixed on water On plate rail road, gathering sill is partly into, gathering sill is dynamic cooperation with the mating part of guide plate, 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 by middle transition load-supporting part；The operating mechanism manipulation activities tooth bar of movable rack is in rail assembly On move horizontally or stop and be maintained in some defined locations, the control device bag of the operating mechanism of described movable rack Include, electromagnetic driver and its control system, the control system of described electromagnetic driver powered by jacking equipment electric-control system and Control；Described jacking equipment electromagnetic propulsion rack-and-pinion safety catch, including directly set on jacking equipment car Electromagnetic propulsion rack-and-pinion safety catch component, or be separately provided stand-alone assembly, be then fitted into it is only on jacking equipment Vertical electromagnetic propulsion rack-and-pinion safety catch component.

2. jacking equipment electromagnetic propulsion rack-and-pinion safety catch according to claim 1, it is characterized in that, described one The jacking equipment electromagnetic propulsion rack-and-pinion safety catch that kind is directly 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, the operating mechanism of movable rack Control device, hand-operating unlocking mechanism；Described load-supporting part includes upper rail and main load-supporting part；Described rail assembly includes rail The horizontal rail that road window aperture, upper rail and main load-supporting part and lower rail are formed；Described movable rack include right movable rack and Left movable rack, described right movable rack and left movable rack pass through track window aperture, movable rack with drive tooth bar phase The tooth form of the part of contact is in the position that can be engaged or be separate with the driving tooth bar of jacking equipment, by rail assembly Horizontal rail on move horizontally or be maintained in some defined locations realize with drive tooth bar engagement or separate, the right side The upper rail and main load-supporting part directly contact of movable rack and left movable rack top after on-position is entered with lift car Load-bearing, movable rack is dynamic cooperation with the fit dimension of horizontal rail, and contact surface is smooth low coefficient of friction surfaces, with favourable In the movement of movable rack；The position-limit mechanism of described movable rack, including, the part that movable rack is associated with guide rail Inner face top 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 fixed In horizontal rail, gathering sill is partly into, gathering sill is dynamic cooperation with the mating part of guide plate, to prevent movable rack Outside or inner side play to car；The operating mechanism of described movable rack includes, lever left, right lever, left fixed shaft, Right fixed shaft, movable axis, pulling block, support, spring, adjusting nut group, pull bar, jacking block, protection block；The behaviour of described movable rack The control device of vertical mechanism includes that push rod, electromagnetic driver main body, described electromagnetic driver main body include electromagnetic driver Control system, the control system of described electromagnetic driver is powered and is controlled by jacking equipment electric control system；Described liter Drop equipment electrical control system electromagnetic driver control unit in also include one only by general supply control relay or Person's contactor and energy storage device, the described relay for only being controlled by general supply or the normally-closed contact of contactor are connected across electromagnetism Between pusher and energy storage device, when jacking equipment obtains electric, normally-closed contact disconnects, the company between electromagnetic driver and energy storage device Connect and also disconnect, energy storage device energy storage；During jacking equipment dead electricity, the dead electricity band-type brake that other electricity-loss braking devices are carried including motor Device plays a role braking immediately, but electromagnetic driver not dead electricity immediately, it is described only by the relay of general supply control Or contactor normally-closed contact dead electricity closure, electromagnetic driver is connected with energy storage device, energy storage device is to electromagnetic driver Time delay constant design tuning is braking time and the electromagnetic driver that other electricity-loss braking devices individually complete that braking needs And the difference of the action total delay time of the operating mechanism of movable rack；When jacking equipment general supply is disconnected without electricity, lifting sets It is standby to remain static；The operating mechanism course of work of movable rack is that, when electromagnetic driver main body dead electricity, push rod is with guarantor Protecting block is descending, jacking block is descending immediately following protection block and push rod by the elastic force effect of spring and drives pull bar, pulling block descending together, Gu The movable axis being scheduled on pulling block follows that pulling block is descending, drive lever left, right lever underarm around left fixed shaft, right fixed shaft toward outside Rotate, lever left, the upper arm of right lever drive left movable rack, right movable rack to drive tooth bar center position to move toward jacking equipment Dynamic, until the application position at a fully engaged with tooth bar is driven, jacking block stopping is descending, but push rod continues traveling downwardly one with protection block Small segment distance, reaches and keeps discontiguous state with jacking block, to ensure left movable rack, right movable rack and drive tooth bar reliability Engagement, described a small distance refers to 2~5mm distances；When electromagnetic driver main body obtains electric, control push rod is up, push rod With protection block it is up, protected piece of jacking block top pressure is also up and drives pull bar, pulling block up together while compression spring, The movable axis being fixed on pulling block follow pulling block it is up, drive lever left, right lever underarm around left fixed shaft, right fixed shaft inside Side rotates, and lever left, the upper arm of right lever drive left movable rack, right movable rack to drive tooth bar center toward jacking equipment is left Direction movement, until with jacking equipment drive tooth bar be kept completely separate and have the free position in a bit of gap, described one is small Intersegmental gap, refers to 2~5mm gaps；Adjusting nut group is used to adjust the pressure of spring, and support supports the upper surface of fixed spring Extreme higher position；Moved if there is abnormal conditions, such as unexpected power down of jacking equipment or because of jacking equipment overspeed protective device Cut off the electricity supply or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply etc., now jacking equipment Immediately without electricity, other electricity-loss braking devices play a role braking general supply immediately including the dead electricity band brake apparatus that motor is carried, After the completion of energy storage device time delay, electromagnetic driver main body dead electricity, block is descending, jacking block is descending, left movable teeth with protecting for push rod Bar, right movable rack and driving tooth bar positive engagement, it is ensured that the safety of jacking equipment；Described electromagnetic driver, is a kind of Selected working method is the long-stroke push-and-pull electromagnet of the way of propelling, is a kind of new Electromagnetic Control action executing device, is adopted Control conversion, high-power start, the working method that small-power is maintained are powered up with power supply.

3. jacking equipment electromagnetic propulsion rack-and-pinion safety catch according to claim 1, it is characterized in that, described hand Dynamic unlocking mechanism, including, clasp nut control crank, clasp nut combination, drive screw, worm screw control crank, worm and gear Decelerator, wherein clasp nut combine with pulling block be fixedly connected, the worm gear of drive screw and worm type of reduction gearing is fixation 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 pass The male thread of dynamic screw rod has no effect without engagement, drive screw to the motion that clasp nut is combined, so that hand-operating unlocking mechanism Motion to electromagnetic propulsion rack-and-pinion safety catch has no effect, when jacking equipment because having a power failure suddenly or other originals Because brake hard rest in can not with the position of any one stop flat bed when, now clasp nut control crank can be placed in conjunction Gate position, combine clasp nut normally to be engaged with the male thread of drive screw, manually operated in "on" position, its box thread Worm screw control crank, make worm type of reduction gearing rotate and drive drive screw rotate, drive screw transmission clasp nut combine Move up, clasp nut combination drives pulling block to move up, the movable axis being fixed on pulling block follows that pulling block is up, it is left to drive Lever, right lever underarm are rotated around left fixed shaft, right fixed shaft toward inner side, and lever left, the upper arm of right lever drive left movable teeth Bar, right movable rack drive the direction movement at tooth bar center toward jacking equipment is left, until driving tooth bar complete with jacking equipment 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 Dynamic unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open, and has formulated rules and regulations and has strictly implemented, really Guarantor only possesses qualification, and authorized personnel could open and use.

4. jacking equipment electromagnetic propulsion rack-and-pinion safety catch according to claim 1, it is characterized in that, movable rack The tooth form with the part for driving tooth bar to be associated of tooth form only manufacturing activities tooth bar, along the close jacking equipment sedan-chair in facewidth B directions Inside railway carriage or compartment, part is not omitted with the part for driving tooth bar to contact, and there is round-corner transition all tooth form roots, to reduce Stress concentration；Described movable rack tooth form facewidth B should be greater than driving the tooth bar facewidth.

5. jacking equipment electromagnetic propulsion rack-and-pinion safety catch according to claim 1, it is characterized in that, it is being configured with When the jacking equipment of safety catch of the invention installs early stage civil engineering, it is necessary to by the difference in height to stop and stop Carry out accurate measurement, each stop sill is constructed accordingly and accurately between control stop and stop on sill plane height The poor integral multiple to drive tooth bar tooth pitch of degree, when jacking equipment is installed, correct regulation jacking equipment is mutual with driving tooth bar Coordinate so that jacking equipment just stops leveling accuracy from ground floor and in median.

6. jacking equipment electromagnetic propulsion rack-and-pinion safety catch according to claim 1, it is characterized in that, described one The individual secure brake assemblies of kind of jacking equipment electromagnetic propulsion rack-and-pinion safety catch, including by supporting frame, The separate space that mounting base, panel are surrounded, load-supporting part, rail assembly in described separate space, 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 be supporting frame, belong to a kind of component of middle transition load-supporting part, be bolted or Person other connected modes are connected with the load-carrying members of jacking equipment car；Described rail assembly includes what upper rail and lower rail were formed Horizontal rail, track window aperture, described movable rack include left movable rack, right movable rack, described movable rack Operating mechanism includes, lever left, right lever, left fixed shaft, right fixed shaft, movable axis, pulling block, support, spring, adjusting nut Group, pull bar, jacking block, protection block；The control device of the operating mechanism of described movable rack includes, push rod, electromagnetic driver master The control system of body, described electromagnetic driver main body including electromagnetic driver, the control system of described electromagnetic driver by Jacking equipment electric-control system is powered and is controlled；The operating mechanism course of work of movable rack is, when electromagnetic driver main body dead electricity When, block is descending, jacking block is descending immediately following protection block and push rod by the elastic force effect of spring and drives pull bar, drawing with protecting for push rod Block is descending together, the movable axis being fixed on pulling block follow pulling block it is descending, drive lever left, right lever underarm around left fixed shaft, Right fixed shaft is rotated toward outside, and lever left, the upper arm of right lever drive left movable rack, right movable rack to be driven toward jacking equipment Tooth bar center position is moved, until the application position at a fully engaged with tooth bar is driven, jacking block stopping is descending, but push rod is with guarantor Protecting block continues traveling downwardly a small distance, reaches and keeps discontiguous state with jacking block, to ensure left movable rack, right movable rack With driving tooth bar positive engagement, described a small distance refers to 2~5mm distances；When electromagnetic driver main body obtains electric, control Push rod processed is up, and block is up, protected piece of jacking block top pressure is also up and drives pull bar, pulling block to go up together with protecting for push rod Capable compression spring simultaneously, the movable axis being fixed on pulling block follows up pulling block, drive lever left, right lever underarm around left fixation Axle, right fixed shaft are rotated toward inner side, and lever left, the upper arm of right lever drive left movable rack, 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 is supported solid Determine the extreme higher position of the upper surface of spring；If there is abnormal conditions, the unexpected power down of such as jacking equipment or because lifting set Standby 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 Deng now jacking equipment general supply is immediately without electricity, so electromagnetic driver main body also dead electricity immediately, push rod is with protection block Row, descending jacking block, left movable rack, right movable rack and driving tooth bar positive engagement, it is ensured that the safety of jacking equipment；It is described Electromagnetic driver, be a kind of selected working method be the way of propelling long-stroke push-and-pull electromagnet, be a kind of new electromagnetism Control action performer, using power supply power-up control conversion, high-power start, the working method that small-power is maintained can be direct Use alternating current.

7. jacking equipment electromagnetic propulsion rack-and-pinion safety catch according to claim 1, it is characterized in that, described electricity The control system of magnetic pusher is powered and is controlled by jacking equipment electric-control system, and its rate-determining steps includes following rate-determining steps, When jacking equipment prepares to start, the electric control system control jacking equipment drive system of jacking equipment drive jacking equipment to One distance element of upper movement, make the lower plane of load-supporting part and right movable rack and left movable rack upper plane have one it is micro- between Gap, the numerical value of described microgap is that left movable rack, right movable rack and jacking equipment drive the 0.2~0.6 of tooth bar sideshake Times；Then control electromagnetic driver main body obtains electric.

8. a kind of elevator, it is characterized in that, install and use the lifting in claim 1- claims 7 described in any claim and set Standby electromagnetic propulsion rack-and-pinion safety catch.