CN106744145A - Jacking equipment electromagnetic lever rack-and-pinion safety catch - Google Patents
Jacking equipment electromagnetic lever rack-and-pinion safety catch Download PDFInfo
- Publication number
- CN106744145A CN106744145A CN201611221138.XA CN201611221138A CN106744145A CN 106744145 A CN106744145 A CN 106744145A CN 201611221138 A CN201611221138 A CN 201611221138A CN 106744145 A CN106744145 A CN 106744145A
- Authority
- CN
- China
- Prior art keywords
- lever
- jacking equipment
- movable rack
- drive
- tooth bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- 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
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- 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
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- 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
Abstract
A kind of jacking equipment electromagnetic lever rack-and-pinion 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 rail assembly 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；Safeguard protection braking is carried out using electromagnetic lever control tooth bar engagement system, energy saving is played, langding accuracy is significantly improved and the beneficial effect of quality is braked in safeguard protection.
Description
Technical field
The present invention relates to jacking equipment safety catch field, more particularly to a kind of jacking equipment electromagnetic lever 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；Its precondition is that drive gear must keep braking ability, if drive gear
Generation problem, such as tooth failure, then make gear stop operating to realize that braking cannot produce braking effect；And use tooth
No matter bar braking is then whether a kind of gear fails, can ensure the feasible method of reliable braking.
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 lever rack-and-pinion safety catch (hereinafter referred to as electromagnetic lever 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
13rd, 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 30 or inner side play；Movable rack top is straight 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；
The operating mechanism manipulation activities tooth bar of movable rack moves horizontally or stops the position for being maintained at some determinations on rail assembly
Put, the control device of the operating mechanism of described movable rack includes, electromagnetic driver and its control system, described electromagnetism
The control system of pusher is powered and is controlled by jacking equipment electric control system；Described jacking equipment electromagnetic lever rack-and-pinion
Safety catch, including the electromagnetic lever rack-and-pinion safety catch component for directly being set on jacking equipment car, or
Person is separately provided stand-alone assembly, the independent electromagnetic lever rack type safety catch component being then fitted on jacking equipment.
Fig. 1 is a kind of jacking equipment electromagnetic lever rack-and-pinion safety catch for directly being set on jacking equipment car
Structural representation, it is illustrated that direction for electromagnetic lever rack-and-pinion safety catch be directly installed on jacking equipment car 30 be close to
On the side of inside car 30 of certain one side of driving tooth bar 18, from the inside of car 30 toward finding in terms of the side of car 30, so right
In 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 has dismantled cover plate,
So that its internal structure can be seen clearly, the group of the combination of the right movable rack after right cover plate and left movable rack 13 plus left cover 14 is covered
Close similar, the two be with tooth bar in the middle of the vertical median plane perpendicular to tooth bar projection plane that represents of center chain-dotted line 15 be right
Claim the mirror symmetric figure of plane, Fig. 1 is shown movable rack and the application position for driving tooth bar 18 to engage, and Fig. 2 is described in Fig. 1
Electromagnetic propulsion rack-and-pinion safety catch be in free position state schematic diagram；Described one kind is directly in jacking equipment
The jacking equipment electromagnetic propulsion rack-and-pinion safety catch set on car, 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 upper rail and main load-supporting part 16；Described rail assembly includes track window aperture 12, on
The horizontal rail that rail and main load-supporting part 16 and lower rail 19 are formed；Described movable rack includes right movable rack 17 and left activity
Tooth bar 13, described right movable rack 17 and left movable rack 13 pass through track window aperture 12, movable rack with drive tooth bar
The tooth form of the part being associated is in the position that can be engaged or be separate with the driving tooth bar 18 of jacking equipment, by track
Moved horizontally in the horizontal rail of component or be maintained in some defined locations realize with driving tooth bar 18 engage or
Separate, the upper rail and main load receiving part of right movable rack 17 and the top of left movable rack 13 after on-position is entered with lift car
The directly contact load-bearing of part 16, 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；Fig. 3 is the A-A partial sectional views of Fig. 1, the position restrainer of described movable rack
Structure, including, the inner face top for the part that movable rack is associated with guide rail is provided with guiding breach, with movable rack cover plate
The part of (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 on horizontal rail
On road 16, gathering sill 28 is partly into, gathering sill 28 is dynamic cooperation with the mating part of guide plate 29, to prevent movable rack
Outside or inner side play to car 30；The operating mechanism of described movable rack includes, lever left 10, right lever 20, left
Fixing axle 11, right fixed shaft 21, movable axis 22, pulling block 9, support 8, spring 7, adjusting nut group 6, pull bar 5, pushing block 54, push away
Moving axis 53, promote lever 52, be arranged on promote lever 52 on mounting hole 55, promote lever shaft 51, roller shaft 59, roller 60,
Protection block 58；The control device of the operating mechanism of described movable rack includes, electromagnetism push rod 57, electromagnetic driver main body 56,
Electromagnetic system, the control system of described electromagnetic driver main body including electromagnetic driver, the control of described electromagnetic driver
System is powered and is controlled by jacking equipment electric control system；The electromagnetic driver of described jacking equipment electric control system
Also including one only by the relay or contactor and energy storage device of general supply control in control unit, described only receives total electricity
The relay of source control or the normally-closed contact of contactor are connected across between electromagnetic driver and energy storage device, and jacking equipment obtains electric
When, normally-closed contact disconnects, and the connection between electromagnetic driver and energy storage device also disconnects, energy storage device energy storage；Jacking equipment loses
When electric, other electricity-loss braking devices are played a role braking immediately including the dead electricity band brake apparatus that motor is carried, but electromagnetism is pushed away
Dynamic device not dead electricity immediately, it is described only by the relay or contactor normally-closed contact dead electricity closure of general supply control, make electricity
Magnetic pusher is connected with energy storage device, and energy storage device is to time delay (discharge time) constant design tuning of electromagnetic driver
Other electricity-loss braking devices individually complete braking time and the operating mechanism of electromagnetic driver and movable rack that braking needs
Act the difference of total delay time；For example, other electricity-loss braking devices of certain jacking equipment individually complete the system that braking needs
The dynamic time is 3.5S, and the action total delay time of the operating mechanism of electromagnetic driver and movable rack is 0.2S, then energy storage device
Time delay constant design tuning to electromagnetic driver is (3.5S-0.2S=) 3.3S, after the completion of energy storage device time delay, electromagnetism
Pusher dead electricity；When jacking equipment general supply is disconnected without electricity (including energy storage device energy release after original state or dead electricity
State afterwards), jacking equipment remains static；The operating mechanism course of work of movable rack is, original state or without electricity
State, electromagnetic driver main body 56 also has without electricity, push rod 57 with the lowest order that protection block 3 is in initial position and roller 60
Gap, the pushing block 54 of main operating mechanism is acted on descending and drives pull bar 5, pulling block 9 descending together by the elastic force of spring 7, Gu
The movable axis 22 being scheduled on pulling block 9 follows descending pulling block 9, drive lever left 10, the underarm of right lever 20 solid around left fixed shaft 11, the right side
Dead axle 21 is rotated toward outside, and lever left 10, the upper arm of right lever 20 drive left movable rack 13, right movable rack 17 to be set toward lifting
It is standby to drive the movement of the center position of tooth bar 18, until the application position at a fully engaged with tooth bar 18 is driven, pushing block 54 stop it is descending,
The impeller-hub 53 being fixed on while pushing block 54 is descending on pushing block 54 is also descending, is driven by mounting hole 55 and promotes lever
52 around promoting lever shaft 51 to be rotated down, and promotes roller shaft 59, the roller 60 of the other end of lever 52 also with promotion lever 52 1
Rotation is played, until pushing block 54 stops descending, the arrival lowest order of roller 60, has a bit of gap with protection block 58, holding does not connect
The state of touching, described a bit of gap refers to 2~5mm gaps；When electromagnetic driver main body 56 must be electric, push rod 57 is promoted to be protected
Protecting block 58 is up, protection block 58 pushing rolling wheels 60, roller shaft 59 are up, and roller 60, roller shaft 59 drive and promote lever 52 around pushing away
Dynamic lever shaft 51 is rotated up, and promotes lever 52 to drive impeller-hub 53, impeller-hub 53 to drive on pushing block 54 by mounting hole 55
OK, pushing block 54 drives pull bar 5, pulling block 9 up together while compression spring 7, and the movable axis 22 being fixed on pulling block 9 follows drawing
Block 9 is up, drive lever left 10, the underarm of right lever 20 to be rotated toward inner side 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 toward the direction for leaving jacking equipment driving tooth bar 18 center
It is mobile, until drive tooth bar 18 to be kept completely separate and have the free position in a bit of gap with jacking equipment, at safety catch
It is that jacking equipment starts ready, described a bit of gap in free position state, refers to 2~5mm gaps；Lifting sets
It is standby start after when needing to stop, the electric control system of jacking equipment first disconnects jacking equipment motor power, motor deceleration,
When close to stop position, such as when close to level position, electric control system controls electromagnetic driver main body 56 to lose on schedule
Electricity, the elastic force effect that push rod 57 is descending with right protection block 58, pushing block 54 receives spring 7 is descending, and pushing block 54 drives impeller-hub
53rd, driven by mounting hole 55 and promote lever 52 and follow protection installed in the roller shaft 59, roller 60 promoted on lever 52
Block 58 and push rod 57 are descending and drive pull bar 5, pulling block 9 descending together, and the movable axis 22 being fixed on pulling block 9 follows pulling block 9
Descending, drive lever left 10, the underarm of right lever 20 are rotated around left fixed shaft 11, right fixed shaft 21 toward outside, lever left 10, You Gang
The upper arm of bar 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
The application position at a fully engaged with tooth bar 18 is driven, reliably brakes to jacking equipment；Pushing block 54 stop it is descending, but push rod 57
A small distance is continued traveling downwardly with protection block 58, is reached and is kept discontiguous state with roller 60, described a small distance,
Refer to 2~5mm distances；Adjusting nut group 6 is used to adjust the pressure of spring 7, and support 8 fixes the highest order of the upper surface of spring 7
Put；Cut-out is acted if there is abnormal conditions, such as unexpected power down of jacking equipment or because of jacking equipment overspeed protective device
Power supply 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, other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, in energy storage
After the completion of device time delay, the dead electricity of electromagnetic driver main body 56, push rod 57 is reset to original state, promotion with protection block 58 is descending
Block 54 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 of the way of propelling
Electromagnet, is a kind of new Electromagnetic Control action executing device, using power supply power-up control conversion, high-power start, small-power
The working method of maintenance, can directly use alternating current, than produce the old-fashioned electromagnet volume of onesize active force it is smaller, from
Weight lighter, more power saving；And due to using lever, it is possible to use the thrust many electromagnetic drivers half as large than pushing directly on,
Significant power saving effect can be realized.
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 lever 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 lever 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 lever tooth bar engagement system, it is to avoid existing friction catch side
The potential safety hazard caused because of friction material abrasion or oil pollution etc. that formula is likely to occur, even if meeting drive gear hair
The situation of raw problem, also can reliably brake, it is ensured that safety, improve the reliability of safety arrestment；Plus lever is used, can make
With many electromagnetic drivers half as large of the thrust than pushing directly on, significant power saving effect can be realized；And its flat bed keeps
Precision can reach the requirement of ± 20mm for being much better than GB/T10058 regulations；The safeguard protection that is significantly increased braking quality, raising
The beneficial effect of runnability, energy saving.
Brief description of the drawings
Fig. 1 is a kind of structural representation of jacking equipment electromagnetic lever rack-and-pinion safety catch.
Fig. 2 is that the jacking equipment electromagnetic lever rack-and-pinion safety catch described in Fig. 1 is in showing for free position state
It is intended to.
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.
Fig. 8 is braked for the jacking equipment electromagnetic lever rack-and-pinion safety catch of embodiment 1 to jacking equipment
Situation schematic diagram.
Fig. 9 is the schematic diagram of embodiment 2.
Figure 10 is signal when jacking equipment electromagnetic lever rack-and-pinion safety catch is in free position in embodiment 2
Figure.
Figure 11 shows for a kind of jacking equipment electromagnetic lever individual secure brake assemblies of rack-and-pinion safety catch
It is intended to.
Specific embodiment
Embodiment 1, a kind of electromagnetic lever rack-and-pinion safety arrestment dress for being mounted with directly to be set on jacking equipment car
The jacking equipment put, Fig. 7 for embodiment 1 appearance schematic diagram, drawing show be elevator side outward appearance, described electromagnetic lever
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 lever rack-and-pinion safety catch of embodiment 1 is braked to jacking equipment
Except in the case of shape schematic diagram, (left and right described in figure above is that Fig. 7,8 are from jacking equipment the inside toward in terms of jacking equipment side
Seen toward jacking equipment side from the outside, so left and right directions is just anti-phase), described electromagnetic lever rack-and-pinion safety catch
It is necessarily mounted at the lower section of the main load-carrying members of jacking equipment, directly contact or by middle transition component contact load-bearing is used
Electromagnetic lever rack-and-pinion safety catch its internal structure each several part composition and effect explanation 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, electromagnetic driver main body 56 without electricity, between push rod 57 also has with the lowest order that protection block 3 is in initial position and roller 60
Gap, the pushing block 54 of main operating mechanism is acted on descending and drives pull bar 5, pulling block 9 descending together by the elastic force of spring 7, fixed
Movable axis 22 on pulling block 9 follows descending pulling block 9, drive lever left 10, the underarm of right lever 20 around left fixed shaft 11, right fixation
Axle 21 is rotated toward outside, and lever left 10, the upper arm of right lever 20 drive left movable rack 13, right movable rack 17 toward jacking equipment
Drive the movement of tooth bar 18 center position, until the application position at a fully engaged with tooth bar 18 is driven, pushing block 54 stop it is descending,
The impeller-hub 53 that pushing block 54 is fixed on pushing block 54 while descending is also descending, is driven by mounting hole 55 and promotes lever 52
Around promoting lever shaft 51 to be rotated down, the roller shaft 59 of the other end of lever 52, roller 60 are promoted also with promoting lever 52 together
Rotation, until pushing block 54 stops descending, the arrival lowest order of roller 60, has a bit of gap with protection block 58, and holding is not contacted
State, described a bit of gap refers to 2~5mm gaps；When jacking equipment prepares to start, the electrical control of jacking equipment
System control jacking equipment drive system drives jacking equipment to move up a distance element, make the lower plane of load-supporting part 16 with
The upper plane of right movable rack 17 and left movable rack 13 has a microgap, and the numerical value of described microgap is left movable rack
13rd, right movable rack 17 and jacking equipment drive 0.2~0.6 times of the sideshake of tooth bar 18；Then electromagnetic driver main body 56 is controlled
Obtain electric, push rod 57 promotes up protection block 58, protection block 58 pushing rolling wheels 60, roller shaft 59 up, roller 60, the band of roller shaft 59
It is dynamic to promote lever 52 around promoting lever shaft 51 to rotate up, promote lever 52 to drive impeller-hub 53, impeller-hub by mounting hole 55
53 drive pushing block 54 up, and pushing block 54 drives pull bar 5, pulling block 9 is up together while compression spring 7, is fixed on pulling block 9
Movable axis 22 follow pulling block 9 it is up, drive lever left 10, the underarm of right lever 20 around left fixed shaft 11, right fixed shaft 21 inside
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 tooth 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, it is that jacking equipment startup is ready that safety catch is in free position state；For jacking equipment startup is ready；
When jacking equipment needs to stop after starting, the electric control system of jacking equipment first disconnects jacking equipment motor power, electronic
Machine slows down, and when close to stop position, such as when close to level position, the electric control system of jacking equipment controls electricity on schedule
The dead electricity of magnetic pusher body 56, control push rod 57 is descending, until left movable rack 13, right movable rack 17 drive with jacking equipment
The application position of the positive engagement of tooth bar 18；If occurring abnormal conditions when jacking equipment is currently running, such as jacking equipment is unexpected
Power down or because jacking equipment overspeed protective device action power dump or or because jacking equipment reach the limit of position
Protection device action power dump etc. is put, now jacking equipment general supply dead electricity, other electricity-loss braking devices include motor
The dead electricity band brake apparatus for carrying play a role braking immediately, after the completion of energy storage device time delay, the dead electricity of electromagnetic driver main body 56,
The control push rod 57 of electromagnetic driver main body 56 is descending, left movable rack 13, right movable rack 17 drive tooth bar 18 with jacking equipment
Positive engagement, it is ensured that the safety of jacking equipment；When jacking equipment because having a power failure suddenly or other reason brake hards stop
Can not with the position of any one stop flat bed when, now clasp nut control crank 23 can be placed in closing position, make out
Nut combination 24 is closed normally to be engaged with the male thread of drive screw 25 in "on" position, its box thread, manually operate worm screw behaviour
Vertical handle 26, rotate worm type of reduction gearing 27 and drive drive screw 25 to rotate, the transmission clasp nut group of drive screw 25
Conjunction 24 is moved up, clasp nut combination 24 drives pulling blocks 9 to move up, and the movable axis 22 being fixed on pulling block 9 follows pulling block 9
Up, 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, You Gang
The upper arm of bar 20 drives left movable rack 13, right movable rack 17 to be moved toward the direction for leaving jacking equipment driving tooth bar 18 center
It is dynamic, until driving tooth bar 18 to be kept completely separate and have the free position in a bit of gap with jacking equipment；Then hand turning is used
Mechanism, makes the slow steady flat bed nearby of jacking equipment；Described hand-operating unlocking mechanism be necessarily placed at it is safe and reliable can not be random
The position of unlatching, has formulated rules and regulations and has strictly implemented, it is ensured that only possess qualification, and authorized personnel can just open
Open and use.
Embodiment 2 is a kind of individual secure system for being provided with electromagnetic lever rack-and-pinion safety catch of the present invention
The jacking equipment of dynamic device assembly, Fig. 9 is the appearance schematic diagram of embodiment 2, it is shown that electromagnetic driver main body 1 is in dead electricity
State, electromagnetic propulsion rack-and-pinion safety catch implement braking when situation, Figure 10 be embodiment 2 in as electromagnetic driver master
Body 1 is in obtain electricity condition, and electromagnetic propulsion rack-and-pinion safety catch is in appearance schematic diagram during free position state, uses
Jacking equipment electromagnetic lever rack-and-pinion safety catch concrete structure be that one kind is separately provided stand-alone assembly, is then fitted into
Individual secure brake assemblies on jacking equipment, Figure 11 is described jacking equipment electromagnetic lever rack-and-pinion safety arrestment dress
A kind of schematic diagram of the individual secure brake assemblies put, picture is the view for having shed base plate in figure, outside the plane of base plate
Size is enclosed such as panel 49, and from its no track window aperture 50 above unlike panel 49, certain base plate must also have
Enough weight capacities；A kind of individual secure brake apparatus of described jacking equipment electromagnetic propulsion rack-and-pinion safety catch
Component, including the separate space surrounded by supporting frame 48, mounting base, panel 49, in described separate space
Load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, movable rack
The control device of operating mechanism, hand-operating unlocking mechanism；Described load-supporting part is supporting frame 48, belongs to a kind of middle transition and holds
The component of heavy parts, is bolted or other connected modes are connected with the load-carrying members of jacking equipment car；Described
Rail assembly includes horizontal rail, the track window aperture 50 that upper rail 46 and lower rail 47 are formed, and described movable rack includes left work
Carry-over bar 13, right movable rack 17, the operating mechanism of described movable rack includes, lever left 10, right lever 20, left fixed shaft
11st, right fixed shaft 21, movable axis 22, pulling block 9, support 8, spring 7, adjusting nut group 6, pull bar 5, pushing block 54, impeller-hub 53,
Lever 52 is promoted, the mounting hole 55 promoted on lever 52 is arranged on, is promoted lever shaft 51, roller shaft 59, roller 60, protection block
58；The control device of the operating mechanism of described movable rack includes, push rod 57, electromagnetic driver main body 56, described electromagnetism
Electromagnetic system, the control system of pusher body including electromagnetic driver, the control system of described electromagnetic driver is by lifting
Equipment electric-control system is powered and is controlled；The operating mechanism course of work of movable rack is, original state, electromagnetic driver main body 56
Without electricity, push rod 57 also has gap, the promotion of main operating mechanism with the lowest order that protection block 3 is in initial position and roller 60
Block 54 is descending by the elastic force effect of spring 7 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, pushing block 54 stop it is descending, while pushing block 54 is descending
The impeller-hub 53 being fixed on pushing block 54 is also descending, is driven by mounting hole 55 and promotes lever 52 downward around promotion lever shaft 51
Rotation, promotes roller shaft 59, the roller 60 of the other end of lever 52 also with promoting lever 52 to rotate together, until pushing block 54 stops
Only descending, roller 60 reaches lowest order, and not contact condition is kept with block 58 is protected；When jacking equipment prepares to start, lifting sets
Standby electric control system control jacking equipment drive system drives jacking equipment to move up a distance element, makes load-supporting part
16 lower plane and the upper plane of right movable rack 17 and left movable rack 13 have a microgap, the numerical value of described microgap
For left movable rack 13, right movable rack 17 and jacking equipment drive 0.2~0.6 times of the sideshake of tooth bar 18；Then electromagnetism is controlled
Pusher body 56 obtains electric, and push rod 57 promotes up protection block 58, protection block 58 pushing rolling wheels 60, roller shaft 59 up, roller
60th, roller shaft 59 drives and promotes lever 52 around promoting lever shaft 51 to rotate up, and promotes lever 52 to be driven by mounting hole 55 and pushes away
Moving axis 53, pushing block 54 are up, and pushing block 54 drives pull bar 5, pulling block 9 is up together while compression spring 7, 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, it is that jacking equipment startup is ready that safety catch is in free position state；Jacking equipment needs to stop after starting
When, the electric control system of jacking equipment first disconnects jacking equipment motor power, motor deceleration, when close to stop position
When, such as when close to level position, electric control system controls the dead electricity of electromagnetic driver main body 56 on schedule, and push rod 57 is with guarantor
Protecting block 58 is descending, pushing block 54 by spring 7 elastic force effect drive impeller-hub 53, by mounting hole 55 drive promote lever 52 with
And installed in promote lever 52 on roller shaft 59, roller 60 follow it is right protection block 58 and right push rod 57 it is descending, pushing block 54 is same
When drive pull bar 5, pulling block 9 descending together, the movable axis 22 being fixed on pulling block 9 follows that pulling block 9 is descending, drive lever left 10,
The underarm of right lever 20 is rotated around left fixed shaft 11, right fixed shaft 21 toward outside, and lever left 10, the upper arm of right lever 20 drive left work
Carry-over bar 13, right movable rack 17 drive the movement of the center position of tooth bar 18 toward jacking equipment, until being nibbled completely with tooth bar 18 is driven
The application position of conjunction, brakes to jacking equipment；Pushing block 54 stop it is descending, but push rod 57 with protection block 58 continue traveling downwardly one
Small segment distance, reaches and keeps discontiguous state with roller 60；Adjusting nut group 6 is used to adjust the pressure of spring 7, and support 8 is consolidated
Determine the extreme higher position of the upper surface of spring 7；If there is abnormal conditions, such as unexpected power down of jacking equipment or because of lifting
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 jacking equipment general supply dead electricity, the dead electricity band brake apparatus that other electricity-loss braking devices are carried including motor are immediately
Play a role braking, and after the completion of energy storage device time delay, the dead electricity of electromagnetic driver main body 56, push rod 57 is descending with protection block 58
It is reset to descending original state, pushing block 54, left movable rack 13, right movable rack 17 and drives the positive engagement of tooth bar 18, protects
The safety of jacking equipment is demonstrate,proved；When jacking equipment because suddenly have a power failure or other reason brake hards rest in can not with it is any
During the position of one stop flat bed, now clasp nut control crank 23 can be placed in closing position, clasp nut is combined 24
Normally engaged with the male thread of drive screw 25 in "on" position, its box thread, manually operate worm screw control crank 26, make snail
Worm and gear decelerator 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 drives pulling blocks 9 to move up, 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；Then Manual jigger mechanism is used, lifting is set
Standby slow steady flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at the safe and reliable position that can not arbitrarily open, system
Rules and regulations are determined and have strictly implemented, it is ensured that only possessed qualification, authorized personnel could open and use.
Embodiment 3, a kind of electromagnetic lever 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, a kind of individual secure brake assemblies for being mounted with electromagnetic lever rack-and-pinion safety catch
Elevator, its outside drawing same Fig. 9, Figure 10, operation principle is described identical with [0022] section.
This specification citing describe some concrete structures and data, these be provided to explanation and it is non-limiting, in this hair
The all or part of equivalent produced by various changes, replacement and change done in the range of the basic thought of bright claim,
All within the scope of the invention as claimed.
Claims (7)
1. a kind of jacking equipment electromagnetic lever 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 lever rack-and-pinion safety catch, including directly set on jacking equipment car
Electromagnetic lever 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 lever rack-and-pinion safety catch component；A kind of described jacking equipment for directly being set on jacking equipment car
Electromagnetic lever rack-and-pinion safety catch component, including load-supporting part, rail assembly, movable rack, movable rack is spacing
Mechanism, the operating mechanism of movable rack, the control device of the operating mechanism of movable rack, hand-operating unlocking mechanism；Described load-bearing
Part includes upper rail and main load-supporting part；Described rail assembly includes track window aperture, upper rail and main load-supporting part and lower rail
The horizontal rail of formation；Described movable rack includes right movable rack and left movable rack, described right movable rack and a left side
Movable rack passes through the tooth form of track window aperture, the part being associated with driving tooth bar of movable rack to be 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 for driving tooth bar or separated, right movable rack and left movable rack top are entering system
The fit dimension of the upper rail with lift car and main load-supporting part directly contact load-bearing after dynamic state, movable rack and horizontal rail
It is dynamic cooperation, contact surface is smooth low coefficient of friction surfaces, to be conducive to the movement of movable rack；Described movable rack
Position-limit mechanism, including, the inner face top for the part that movable rack is associated with guide rail is provided with guiding breach, with movable rack
A part for cover plate is collectively forming gathering sill, and a guide plate part is fixed in horizontal rail, is partly into gathering sill, is oriented to
Groove is dynamic cooperation with the mating part of guide plate, to prevent outside or inner side play of the movable rack to car；Described work
The operating mechanism of carry-over bar includes, lever left, right lever, left fixed shaft, right fixed shaft, movable axis, pulling block, support, spring, tune
Section nut group, pull bar, pushing block, impeller-hub, promotion lever, the mounting hole being arranged on promotion lever, promotion lever shaft, roller
Axle, roller, protection block；The control device of the operating mechanism of described movable rack includes, electromagnetism 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 control list of the electromagnetic driver of described jacking equipment electric control system
Also include one in unit only by the relay or contactor and energy storage device of general supply control, described is only controlled by general supply
Relay or the normally-closed contact of contactor be connected across between electromagnetic driver and energy storage device, when jacking equipment obtains electric, often
Closed contact disconnects, and the connection between electromagnetic driver 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 electromagnetic driver is simultaneously
Not dead electricity immediately, it is described only by the relay or contactor normally-closed contact dead electricity closure of general supply control, make electromagnetic propulsion
Device is connected with energy storage device, and energy storage device is other electricity-loss braking devices to the time delay constant design tuning of electromagnetic driver
Individually complete braking time and the action total delay time of the operating mechanism of electromagnetic driver and movable rack that braking needs
Difference；When jacking equipment general supply is disconnected without electricity, jacking equipment remains static；The operating mechanism of movable rack is worked
When Cheng Wei, original state or electroless state, electromagnetic driver main body without electricity, push rod with protection block be in initial position and
The lowest order of roller also has gap, the elastic force effect, descending and drive pull bar, pulling block one of the pushing block of operating mechanism by spring
Rise descending, the movable axis being fixed on pulling block follows that pulling block is descending, drive lever left, right lever underarm around left fixed shaft, right solid
Dead axle is rotated toward outside, and lever left, the upper arm of right lever drive left movable rack, right movable rack to drive tooth bar toward jacking equipment
Center position is moved, until with drive the at a fully engaged application position of tooth bar, pushing block stop it is descending, in descending same of pushing block
When the impeller-hub that is fixed on pushing block it is also descending, driven by mounting hole and promote lever around promoting lever shaft to be rotated down, push away
Also with promoting lever to rotate together, until pushing block stopping is descending, roller is reached most roller shaft, the roller of the dynamic lever other end
Low level, has a bit of gap with protection block, keeps not contact condition, described a bit of gap, refers to 2~5mm gaps；Work as electricity
When magnetic pusher body obtains electric, push rod promotes up protection block, protection block pushing rolling wheels, roller shaft up, roller, roller shaft band
It is dynamic to promote lever around promoting lever shaft to rotate up, promote lever to drive impeller-hub, impeller-hub to drive pushing block by mounting hole
Up, pushing block drives pull bar, pulling block up together while compression spring, and the movable axis being fixed on pulling block is followed on pulling block
Row, drive lever left, 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 rack, right movable rack drive the direction movement at tooth bar center toward jacking equipment is left, and are driven up to jacking equipment
Tooth bar is kept completely separate and has the free position in a bit of gap, and safety catch is in free position state, is jacking equipment
Start ready, described a bit of gap, refer to 2~5mm gaps；When jacking equipment needs to stop after starting, lifting sets
Standby electric control system first disconnects jacking equipment motor power, motor deceleration, when close to stop position, electrical control
System controls electromagnetic driver main body dead electricity on schedule, and push rod is with the elastic force effect that protection block is descending, pushing block is by spring
OK, pushing block drive impeller-hub, by mounting hole drive promote lever 5 and installed in promote lever on roller shaft, roller with
Descending with protection block and push rod, while pushing block drives, pull bar, pulling block are descending together, and the movable axis being fixed on pulling block follows drawing
Block is descending, drive lever left, right lever underarm to be rotated toward outside around left fixed shaft, right fixed shaft, lever left, the upper arm of right lever
Left movable rack, right movable rack is driven to drive tooth bar center position to move toward jacking equipment, until being nibbled completely with tooth bar is driven
The application position of conjunction, reliably brakes to jacking equipment；Pushing block stopping is descending, but push rod is small with protecting block to continue traveling downwardly one
Segment distance, reaches and keeps discontiguous state with roller, and described a small distance refers to 2~5mm distances；Adjusting nut group
Pressure for adjusting spring, support fixes the extreme higher position of the upper surface of spring；If there is abnormal conditions, such as lifting sets
Reached the limit of for unexpected power down or because of jacking equipment overspeed protective device action power dump or because of jacking equipment
Guarded by location device action is cut off the electricity supply etc., and now immediately without electricity, other electricity-loss braking devices include jacking equipment general supply
The dead electricity band brake apparatus that motor is carried play a role braking, after the completion of energy storage device time delay, electromagnetic driver main body immediately
Dead electricity, push rod is reset to descending original state, pushing block, left movable rack, right movable rack and driving with protection block is descending
Tooth bar positive engagement, implements braking, it is ensured that the safety of jacking equipment；Described electromagnetic driver, is a kind of selected work side
Formula is the long-stroke push-and-pull electromagnet of the way of propelling, is a kind of new Electromagnetic Control action executing device, is powered up using power supply
Control conversion, high-power start, the working method that small-power is maintained can directly use alternating current.
2. jacking equipment electromagnetic lever 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 drive pulling block move up, the movable axis being fixed on pulling block follow pulling block 9 it is up, drive
Lever left, 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 activity
Tooth 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
Free position that is fully separating and having 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 has strictly implemented,
Ensure only possess qualification, authorized personnel could open and use.
3. jacking equipment electromagnetic lever 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.
4. jacking equipment electromagnetic lever 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 car just stops leveling accuracy from ground floor and in median.
5. jacking equipment electromagnetic lever 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 lever 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, pushing block, impeller-hub, promotion lever, the mounting hole being arranged on promotion lever, promotion lever shaft, roller shaft, rolling
Wheel, protection block；The control device of the operating mechanism of described movable rack includes, push rod, electromagnetic driver main body, described electricity
Magnetic pusher body includes the control system of electromagnetic driver, and the control system of described electromagnetic driver is electric by jacking equipment
Control system is powered and is controlled；The operating mechanism course of work of movable rack is that when original state or power failure state, electromagnetism is pushed away
Dynamic device main body also has gap, the promotion of operating mechanism without electricity, push rod with the lowest order that protection block is in initial position and roller
By the elastic force effect, descending and drive pull bar, pulling block descending together of spring, the movable axis being fixed on pulling block follows pulling block to block
Descending, drive lever left, right lever underarm are rotated around left fixed shaft, right fixed shaft toward outside, lever left, the upper arm band of right lever
Move left movable rack, right movable rack and drive the movement of tooth bar center position toward jacking equipment, until at a fully engaged with tooth bar is driven
Application position, pushing block stop it is descending, the impeller-hub being fixed on while pushing block is descending on pushing block is also descending, passes through
Mounting hole drives and promotes lever around promoting lever shaft to be rotated down, and promotes roller shaft, the roller of the lever other end also with promotion
Lever rotates together, until pushing block stops descending, roller arrival lowest order, has a bit of gap with protection block, and holding does not connect
The state of touching, described a bit of gap refers to 2~5mm gaps；When electromagnetic driver main body obtains electric, push rod promotes protection block
Up, protection block pushing rolling wheels, roller shaft are up, and roller, roller shaft drive and promote lever around promoting lever shaft to rotate up, and push away
Dynamic lever drives impeller-hub, impeller-hub to drive pushing block up by mounting hole, and pushing block drives pull bar, pulling block up same together
When 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 is rotated toward inner side, and lever left, the upper arm of right lever drive left movable rack, right movable rack toward leaving jacking equipment
The direction movement at tooth bar center is driven, until driving tooth bar to be kept completely separate and have the free position in a bit of gap with jacking equipment
Put, safety catch is in free position state, be that jacking equipment starts ready, described a bit of gap, refer to 2
~5mm gaps；When jacking equipment needs to stop after starting, the electric control system of jacking equipment first disconnects jacking equipment motor
Power supply, motor deceleration, when close to stop position, electric control system controls electromagnetic driver main body dead electricity on schedule, pushes away
The elastic force effect that bar is descending with protection block, pushing block receives spring is descending, and pushing block is driven impeller-hub, pushed away by mounting hole drive
Dynamic lever 5 and the roller shaft on promotion lever, roller follow protection block and push rod descending, while pushing block drives drawing
Bar, pulling block are descending together, and the movable axis being fixed on pulling block follows descending pulling block, drive lever left, right lever underarm solid around a left side
Dead axle, right fixed shaft are rotated toward outside, and lever left, the upper arm of right lever drive left movable rack, right movable rack to be set toward lifting
It is standby to drive the movement of tooth bar center position, until the application position at a fully engaged with tooth bar is driven, reliably brakes to jacking equipment；Push away
Motion block stopping is descending, but push rod continues traveling downwardly a small distance with protection block, reaches and keeps discontiguous state with roller,
Described a small distance, refers to 2~5mm distances；Adjusting nut group is used to adjust the pressure of spring, and support fixes the upper of spring
The extreme higher position of end face；If there is abnormal conditions, such as unexpected power down of jacking equipment or because of jacking equipment overspeed protection
Device action is 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., is now risen
Drop equipment general supply is immediately without electricity, so pusher body also dead electricity immediately, block is descending is reset to initial shape with protection for push rod
State, pushing block are descending, left movable rack, right movable rack with drive tooth bar positive engagement, implement braking, it is ensured that jacking equipment
Safety；Described electromagnetic driver, is that 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, using power supply power-up control conversion, high-power start, the work side that small-power is maintained
Formula, can directly use alternating current.
6. jacking equipment electromagnetic lever 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.
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 rack-and-pinion safety catch.
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| CN107566813A (en) * | 2017-10-23 | 2018-01-09 | 河南天佑电气工程有限公司 | A kind of liftable life outdoor videos monitoring device based on Internet of Things |
| CN109387237A (en) * | 2017-08-08 | 2019-02-26 | 浙江瑞启检测技术有限公司 | A kind of environment detector rack of high-adaptability |
| CN110217739A (en) * | 2019-07-11 | 2019-09-10 | 大连广的科技有限公司 | A kind of anode hoister ground jack assembly of machine automatization limit |
| WO2020099051A3 (en) * | 2018-11-12 | 2020-07-23 | Thyssenkrupp Elevator Innovation And Operations Ag | Electromechanical actuator for actuating a brake of an elevator installation |
| CN112987609A (en) * | 2021-02-05 | 2021-06-18 | 爱威科技股份有限公司 | Driving control method and system for master-slave driving device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109387237A (en) * | 2017-08-08 | 2019-02-26 | 浙江瑞启检测技术有限公司 | A kind of environment detector rack of high-adaptability |
| CN107566813A (en) * | 2017-10-23 | 2018-01-09 | 河南天佑电气工程有限公司 | A kind of liftable life outdoor videos monitoring device based on Internet of Things |
| WO2020099051A3 (en) * | 2018-11-12 | 2020-07-23 | Thyssenkrupp Elevator Innovation And Operations Ag | Electromechanical actuator for actuating a brake of an elevator installation |
| CN113165838A (en) * | 2018-11-12 | 2021-07-23 | 蒂森克虏伯电梯创新与运营有限公司 | Electromechanical actuator for actuating a brake of an elevator installation |
| CN113165838B (en) * | 2018-11-12 | 2023-08-08 | 蒂森克虏伯电梯创新与运营有限公司 | Electromechanical actuator for actuating a brake of an elevator installation |
| CN110217739A (en) * | 2019-07-11 | 2019-09-10 | 大连广的科技有限公司 | A kind of anode hoister ground jack assembly of machine automatization limit |
| CN110217739B (en) * | 2019-07-11 | 2024-02-23 | 大连广的科技有限公司 | Automatic spacing positive pole lifting machine jack assembly of machinery |
| CN112987609A (en) * | 2021-02-05 | 2021-06-18 | 爱威科技股份有限公司 | Driving control method and system for master-slave driving device |
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| CN106744145B (en) | 2018-11-20 |
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Effective date of registration: 20201026 Address after: Da Wu Zhen Lu Zhuang Cun, Jiawang District, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Wanming Precision Casting Co.,Ltd. Address before: 4, 528459 floor, No. 2, Xinxing Avenue, Zhongshan Town, Guangdong, A5 Patentee before: Liao Zhongmin |
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