CN107032252A - Pinion and-rack jacking equipment levels electromagnetic pulls safety catch - Google Patents
Pinion and-rack jacking equipment levels electromagnetic pulls safety catch Download PDFInfo
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- CN107032252A CN107032252A CN201611221564.3A CN201611221564A CN107032252A CN 107032252 A CN107032252 A CN 107032252A CN 201611221564 A CN201611221564 A CN 201611221564A CN 107032252 A CN107032252 A CN 107032252A
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- Prior art keywords
- rack
- jacking equipment
- movable rack
- jacking
- arm lever
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Classifications
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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
- B66D5/30—Operating devices electrical
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
A kind of pinion and-rack jacking equipment levels electromagnetic pulls safety catch, including load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the control device of the operating mechanism of movable rack, hand-operating unlocking mechanism；Movable rack top directly contacts with the main load-carrying members of jacking equipment car after on-position is entered or contacts load-bearing by middle transition load-supporting part, and the operating mechanism manipulation activities rack of the movable rack of horizontal direction configuration moves horizontally or stopped on orbit hole the application position being maintained at including being engaged with jacking equipment driving rack or drives rack completely disengaged with jacking equipment and have the free position of an intersegmental gap；Alleviator is conducive to conduct oneself with dignity using electromagnetism puller；Play and mitigate deadweight, save the useful space, significantly improve langding accuracy and the beneficial effect of safeguard protection braking quality.
Description
Technical field
The present invention relates to jacking equipment safety catch field, more particularly to a kind of pinion and-rack jacking equipment water
Ordinary telegram magnetic pulls safety catch.
Background technology
The power set of rack-and-pinion jacking equipment are arranged on equipment car, and how alleviator is conducted oneself with dignity, and is a need
Want the task of ongoing effort；The existing safety catch of rack-and-pinion jacking equipment, is, by various methods, to make drive gear
Stop operating to realize；But if problem occurs for drive gear, such as the gear teeth are damaged, even if gear is not rotated, can not protected
The reliable braking of card；To ensure safety, pinion and-rack jacking equipment must configure reliable cope with including drive gear hair
The safety catch of raw problem and similar safety problem.
The content of the invention
The purpose of the present invention, is to provide and a kind of take that the useful space is smaller, copes with and occur problem including drive gear
And the safety catch of similar safety problem.
Fig. 1 is the structural representation that a kind of pinion and-rack jacking equipment levels electromagnetic pulls safety catch, it is illustrated that
Direction is from the top of rack-and-pinion jacking equipment car 60, sheds top car outside plate finding viewed from above, so for rising
Drop device drives rack 18 can only see its top, and right movable rack 17 has carried out broken section processing, that can see clearly in it
The fit structure (being connected with an arm of right double-arm lever 35) of portion and right double-arm lever 35, right movable rack combination and left movable teeth
Bar combination is the vertical median plane perpendicular to rack projection plane represented using the center chain-dotted line in the middle of rack as symmetrical plane
Mirror symmetric figure, support 7 is half section, and the state that movable rack and jacking equipment driving rack are engaged, institute is shown in Fig. 1
The levels electromagnetic stated pulls safety catch to be in application position state；Fig. 2 is the pinion and-rack jacking equipment shown in Fig. 1
Levels electromagnetic pulls the projection side of schematic diagram of the releasing braking in free state of safety catch, projecting direction and Fig. 1
To identical；Fig. 3 is Fig. 1 A-A partial sectional views, direction be from the eyes front of A-A sections (in terms of rack direction) finding, drawing from
Rail assembly, movable rack, the front of movable rack, left double-arm lever 34, right both arms thick stick with the operating mechanism of movable rack
The vertical section direction of bar 35 shows the annexation between them, and the state of display is that movable rack drives rack with jacking equipment
Engage the state of braking；Fig. 4 is that the movable rack that view direction same as shown in Figure 3 is shown is driven at rack with jacking equipment
In the schematic diagram of released state；Fig. 5 is Fig. 1 B-B partial sectional views, and direction is to be turned right from B-B sections (toward centerline direction
See) finding, drawing from rail assembly, movable rack, movable rack vertical section direction, it is shown that their behaviour with movable rack
The annexation of the left double-arm lever 34 of vertical mechanism；A kind of pinion and-rack jacking equipment levels electromagnetic pulls safety catch
(hereinafter referred to as levels electromagnetic pulling safety catch), it is characterized in that, device is configured by horizontal direction, and installation site is in lifting
Equipment car top or bottom or other rational positions, its composition include, load-supporting part, rail assembly, movable teeth
Bar, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the manually control device of the operating mechanism of movable rack, solution
Latch mechanism；Described load-supporting part includes direct load-supporting part or middle transition load-supporting part；Described rail assembly includes
Track window aperture 12, guide plate 29, load-supporting part and upper rail 16 and the horizontal rail of the formation of lower rail 19, described movable rack bag
Right movable rack 17 and left movable rack 13 are included, described right movable rack 17 and left movable rack 13 pass through track window aperture
12, the tooth form of the part being associated with the driving rack 18 of jacking equipment of movable rack is in driving that can be with jacking equipment
The position that rack 18 is engaged or separated, it is real in some defined locations by moving horizontally or being maintained on rail assembly
Now with driving the engagement of rack 18 or separating, described defined location, including the system that engages of rack is driven with jacking equipment
Dynamic position or it is kept completely separate with jacking equipment driving rack and has the free position of an intersegmental gap, it is described to have one intersegmental
Gap, refers to drive rack and movable rack tooth top interplanar corresponding thereto to have >=2mm gaps；Movable rack and horizontal rail
Fit dimension is dynamic cooperation, and contact surface is smooth low coefficient of friction surfaces, to be conducive to the movement of movable rack, right movable teeth
Bar 17 and the top of left movable rack 13 directly contact load-bearing after on-position is entered with load-supporting part and upper rail 16；Described work
The position-limit mechanism of carry-over bar includes, the inner face either above or below at least one of the part being associated with guide rail of movable rack
Individual direction is provided with guide groove, (referring to Fig. 5), and the mating part of guide groove and guide plate 29 is dynamic cooperation, to prevent movable rack
To the outside of car 60 or inner side play；Load receiving part at the top of movable rack after on-position is entered with jacking equipment car
Part (being load-supporting part and upper rail 16 in Fig. 1, Fig. 3) directly contact contacts load-bearing by middle transition load-supporting part；Activity
The operating mechanism manipulation activities rack of rack, which is moved horizontally or stopped on orbit hole, to be maintained in some defined locations, institute
The operating mechanism for the movable rack stated is arranged in the support structure 28 in the horizontal plane direction of jacking equipment car, described gear
Teeth bar type up-down equipment level electromagnetism pulls safety catch, the top or bottom of its installation site including car or
Other rational positions；The control device of the operating mechanism of described movable rack includes electromagnetism puller, and described electromagnetism is drawn
Dynamic device, is that a kind of selected working method is the long-stroke push-and-pull electromagnet pulled, is a kind of new Electromagnetic Control action executing
Device, using power supply power-up control conversion, high-power start, the working method that small-power is maintained, than producing onesize active force
Old-fashioned electromagnet volume is smaller, lighter, more power saving of conducting oneself with dignity；Described electromagnetism puller includes pull bar 2, electromagnetism puller main body
1, described electromagnetism puller main body 1 includes the electromagnetic system of electromagnetism puller, control system, the control of described electromagnetism puller
System processed is powered and controlled by jacking equipment electric control system.
The operating mechanism of described movable rack, including, transmission pivot pin 4, pulling block 5, the mounting hole 3 set on pulling block 5,
Pull bar 6, support 7, spring 8, adjusting nut group 9, jacking block 10, movable axis 21, left single-arm lever 31, left movable mandrel 32 are double with a left side
The hinge component of arm bar 34, the hinge component of right single-arm lever 37, right movable mandrel 36 and right double-arm lever 35, fixing axle
33；The operating mechanism course of work of movable rack is controlled by the control device of the operating mechanism of movable rack, described movable teeth
The control device of the operating mechanism of bar includes, and electromagnetic draw bar 2, electromagnetism puller main body 1, described electromagnetism puller main body include
The electromagnetic system of electromagnetism puller, control system, the control system of described electromagnetism puller is by jacking equipment electrical control system
System power supply and control；In the control unit of the electromagnetism puller of described jacking equipment electric control system also include one only by
The contactor or the combination of relay adjunction tentaculum and energy storage device of general supply control, the described contact only controlled by general supply
Device or the normally-closed contact of relay adjunction tentaculum combination are connected across between electromagnetism puller and energy storage device, and jacking equipment obtains electric
When, normally-closed contact disconnects, and the connection between electromagnetism puller and energy storage device also disconnects, energy storage device energy storage；Jacking equipment loses
When electric, other electricity-loss braking devices include the dead electricity band brake apparatus that carries of motor and played a role immediately braking, but electromagnetism drawing
The normally-closed contact of dynamic device not dead electricity immediately, the described contactor only controlled by general supply or the combination of relay adjunction tentaculum
Dead electricity is closed, and electromagnetism puller is connected with energy storage device, time delay (discharge time) of the energy storage device to electromagnetism puller
Constant design tuning is braking time and electromagnetism puller and the movable teeth that other electricity-loss braking devices individually complete that braking needs
The difference of the action total delay time of the operating mechanism of bar；For example, other electricity-loss braking devices of certain jacking equipment are individually complete
The braking time needed into braking is 3.5S, and the action total delay time of the operating mechanism of electromagnetism puller and movable rack is
0.2S, then energy storage device is (3.5S-0.2S=) 3.3S, energy storage device to the time delay constant design tuning of electromagnetism puller
After the completion of delay, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity (including stored up after original state or dead electricity
State that can be after the release of device energy), jacking equipment remains static；The actual fortune of the operating mechanism of described movable rack
Dynamic direction is direction along the horizontal plane, clear for narration, is defined herein, before driving rack 18 direction is, the side of electromagnetism puller main body 1
Xiang Weihou, is reach to the movement of driving rack 18 direction, is moved after being to the movement of the direction of electromagnetism puller main body 1, (if Fig. 1, figure
2 vertical placements, then reach is exactly up relative to drawing, and rear move is exactly descending relative to drawing)；The manipulation of movable rack
The mechanism course of work is, when electromagnetism puller 1 dead electricity of main body, and the electromagnet pull of electromagnetic draw bar 2 is disappeared, electromagnetic draw bar 2 with
The pulling force that the transmission pivot pin 4 being fixed thereon is transferred to jacking block 10 by mounting hole 3, pulling block 5, pull bar 6 also disappears simultaneously, jacking block
10 are moved forward by the elastic force effect of spring 8 and drive pull bar 6, pulling block 5 to move forward together, be fixed on movable axis 21 on jacking block 10 with
The open end and the open end of right single-arm lever 37 for the left single-arm lever 31 moved forward with jacking block 10, being driven around on movable axis 21
Reach, drives the hinge component of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34, and right single-arm lever 37, the right side
The hinge component of movable mandrel 36 and right double-arm lever 35, rotate around fixing axle 33, left double-arm lever 34, right double-arm lever 35
Rear end is opened toward the left and right sides, and left double-arm lever front end drives left movable rack 13, right double-arm lever front end to drive right movable teeth
Bar 17 is toward jacking equipment driving rack 18 center position movement, until driving the at a fully engaged retarder location of rack 18 with jacking equipment
Put, jacking equipment is braked；At the same time, electromagnetic draw bar 2 resets forward in the presence of electromagnetism puller internal reset mechanism,
Reach the position for making transmission pivot pin 4 have gap with arc surface before and after mounting hole 3；When electromagnetism puller main body 1 must be electric, to electricity
The electromagnet pull of magnetic pull bar 2 is produced, and electromagnetic draw bar 2 and the transmission pivot pin 4 being fixed thereon pull pulling block 5 by mounting hole 3, drawn
Moved after bar 6, jacking block 10, while compression spring 8, the movable axis 21 being fixed on jacking block 10, which is followed, to be moved after jacking block 10, pulls simultaneously
Moved behind the open end for the left single-arm lever 31 being centered around on movable axis 21 and the open end of right single-arm lever 37, while pulling left double
Arm bar 34, the rear end of right double-arm lever 35 are from the left and right sides toward middle movement, and left double-arm lever front end drives left movable rack
13rd, right double-arm lever front end drives right movable rack 17 toward the direction movement for leaving jacking equipment driving rack 18 center, until
It is kept completely separate with jacking equipment driving rack 18 and has the free position in a bit of gap；Described a bit of gap, refer to 2~
5mm gaps；Adjusting nut group 9 is used for the pressure for adjusting spring 8, and support 7 fixes the rearmost position of the rear end face of spring 9；If
Occur abnormal conditions, the unexpected power down of such as jacking equipment or because jacking equipment overspeed protective device action power dump or
Person because jacking equipment reaches the limit of guarded by location device action and cut off the electricity supply etc., now jacking equipment general supply immediately without
Electricity, other electricity-loss braking devices include the dead electricity band brake apparatus that carries of motor and played a role immediately braking, prolong in energy storage device
When after the completion of, electromagnetism puller main body dead electricity disappears, jacking block 10 moves forward, left movable rack to the electromagnet pull of electromagnetic draw bar 2
13rd, right movable rack 17 and the driving positive engagement of rack 18, it is ensured that the safety of jacking equipment；In the case of brake hard, left work
Carry-over bar 13, right movable rack 17 may not have at a fully engaged with driving rack 18 at the beginning, and worst situation is such as Fig. 6 institutes
The situation that the peak of rack and peak are contacted may occur during the braking shown, now friction is temporarily become under elastic force effect
Braking, if now the braking moment of the whole brake apparatus of jacking equipment adds up and is enough to realize braking, braking task completion；Such as
Really now the braking moment of the whole brake apparatus of jacking equipment adds up and is all not enough to prevention jacking equipment downslide, (because there is system
Kinetic moment is acted on, so it is slower just to start the meeting of downslide), when slipping down to the position of stagger peak and peak, left work
Carry-over bar 13, right movable rack 17 will be squeezed into the teeth groove for driving rack 18 (referring to Fig. 7) under elastic force promotion, then as
Continue to glide, continue to squeeze into, until left movable rack 13, right movable rack 17 and the driving positive engagement of rack 18, implement braking；
Fig. 6 is Fig. 1 C-C partial sectional views direction, and the state that the peak of rack and peak contact may occur when braking and show
Be intended to, projecting direction be from jacking equipment toward drive rack 18 direction from；Fig. 7 is Fig. 6 same view direction, when left work
The schematic diagram that carry-over bar, right movable rack are squeezed under elastic force promotion in the teeth groove of jacking equipment driving rack.
Described hand-operating unlocking mechanism, including, clasp nut control crank 23, clasp nut combination 24, drive screw 25,
Worm screw control crank 26, worm type of reduction gearing 27, wherein clasp nut combination 24 with jacking block 10 to be fixedly connected, drive screw
25 be to be fixedly connected with the worm gear of worm type of reduction gearing 27, and usual, clasp nut control crank 23 is placed in and opens a sluice gate position, folding
Nut combination 24 in open a sluice gate the male thread of state, its box thread and drive screw 25 without engaging, drive screw 25 is to folding spiral shell
The motion of mother's combination 24 has no effect, so that hand-operating unlocking mechanism pulls safety arrestment dress to rack-and-pinion jacking equipment electromagnetism
The motion put has no effect, 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, clasp nut control crank 23 can be now 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 rearwards by,
Clasp nut combination 24 drives jacking block 10 to be moved rearwards by, and is moved after jacking block 10, while compression spring 8, is fixed on the work on jacking block 10
Moving axis 21, which is followed, to be moved after jacking block 10, while pulling the open end for the left single-arm lever 31 being centered around on movable axis 21 and right single armed thick stick
Moved behind the open end of bar 37, while pull the rear end of left double-arm lever 34, right double-arm lever 35 mobile from the left and right sides toward centre,
Left double-arm lever front end drives left movable rack 13, right double-arm lever front end to drive right movable rack 17 to be driven toward jacking equipment is left
The direction movement at the center of carry-over bar 18, until being kept completely separate with jacking equipment driving rack 18 and having the free position in a bit of gap
Put；Then Manual jigger mechanism is used, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at safety can
By the position that can not arbitrarily open, formulate rules and regulations and strictly implemented, it is ensured that only possessed qualification, it is authorized
Personnel could open and use.
The control system of described electromagnetism puller is powered and controlled by jacking equipment electric control system, its electrical control
The rate-determining steps of system include, when jacking equipment prepares to start, the electric control system control jacking equipment of jacking equipment
Drive system driving jacking equipment moves up a distance element, makes lower plane and right movable rack 17 and a left side for load-supporting part 16
The upper plane of movable rack 13 has a microgap, and the numerical value of described microgap is left movable rack 13, right movable rack 17
0.2~0.6 times of the sideshake of rack 18 is driven with jacking equipment；Then control electromagnetism puller main body 1 obtains electric, drives left movable teeth
Bar 13, right movable rack 17 toward the direction movement for leaving jacking equipment driving rack 18 center, until with jacking equipment sliding tooth
Bar 18 is kept completely separate and has the free position in a bit of gap, is that jacking equipment startup is ready.
The jacking equipment of safety catch is pulled respectively may be used using the pinion and-rack jacking equipment levels electromagnetic of the present invention
The distance between braking anchor point of energy is that it drives the integral multiple of rack tooth pitch (p=π m), therefore is configured with the peace of the present invention
The installation method of the jacking equipment of full application of brake device includes, when carrying out the early stage civil engineering relevant with installing, it is necessary to by right
The difference in height of stop and stop is accurately measured, and each stop sill is constructed accordingly and accurate control stop and stop
Between on sill plane difference in height for driving rack tooth pitch (p=π m) integral multiple, according to GB/T10058 regulation, it is allowed to
Error is ± 10mm (construction internally controlling requirement should be less than this error amount)；When jacking equipment is installed, jacking equipment is correctly adjusted
With working in coordination for driving rack so that jacking equipment car just stops leveling accuracy from first layer and in median, then with
Stop flat bed afterwards can just meet the requirements, or even when other indivedual flat bed element failures, also can guarantee that stop
Leveling accuracy；And flat bed keeps precision to be much better than the requirement of ± 20mm as defined in GB/T10058.
The present invention carries out safeguard protection braking using rack engagement system, it is to avoid existing friction catch mode may go out
It is existing because potential safety hazard caused by friction material abrasion or oil pollution etc., improves the reliability of safety arrestment；Using
Electromagnetism puller, which is conducive to mitigating, conducts oneself with dignity；Horizontal direction configuration can be set with top set or bottom and be installed, and saved in car
The useful space；Rack engagement flat bed keeps precision to reach the requirement for being much better than ± 20mm as defined in GB/T10058；Therefore,
It can play and mitigate the beneficial effect that the deadweight saving useful space significantly improves langding accuracy and safeguard protection braking quality.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of pinion and-rack jacking equipment levels electromagnetic pulls safety catch.
Fig. 2 pulls safety catch to be in showing for free state for Fig. 1 pinion and-rack jacking equipment levels electromagnetic
It is intended to.
Fig. 3 is Fig. 1 A-A partial sectional views.
Fig. 4 is that the movable rack that view direction same as shown in Figure 3 is shown is engaged with jacking equipment driving rack releasing
Schematic diagram in free state.
Fig. 5 is Fig. 1 B-B partial sectional views.
Fig. 6 is Fig. 1 C-C partial sectional views direction, and the peak that may occur rack when braking is contacted with peak
View.
Fig. 7 is Fig. 6 same view direction, when left movable rack, right movable rack are squeezed into lifting under elastic force promotion and set
Schematic diagram in the teeth groove of standby driving rack.
Fig. 8 is the schematic diagram of embodiment 1.
The situation schematic diagram that Fig. 9 is braked for the safety catch of embodiment 1 to jacking equipment.
Embodiment
Embodiment 1, Fig. 8 be embodiment 1 schematic diagram, drawing show be jacking equipment side outward appearance, described level
Electromagnetism pulls safety catch installed in the top of pinion and-rack jacking equipment, temporarily in free position, jacking equipment
Situation in preparing operation or being currently running, Fig. 9 is that the levels electromagnetic of embodiment 1 pulls safety catch to jacking equipment
The situation schematic diagram braked, (left and right described in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 6, Fig. 7 above, is in jacking equipment
Face sees that Fig. 8, Fig. 9 are to be seen from the outside toward jacking equipment side, so left and right directions is just anti-phase toward jacking equipment side), use
Levels electromagnetic pull safety catch its internal structure each several part composition and the explanation of effect as shown in Fig. 1~7, and
[0004] section, [0005] section, [0006] section, described in [0007] section, due to being related to the matching coordinative of multiple transmission systems, thus
Workmanship and installation quality are should be specifically noted that when manufacture and installation, including it is necessary ready-made including accurate described in [0008] section
It is the relevant work of the integral multiple of driving rack tooth pitch (p=π m) to control the difference in height of plane on sill between stop and stop,
Ensure necessary precision, could trial operation after detection is qualified；The electric control system of jacking equipment uses embedded system conduct
Master control system, its course of work is, when system is without electricity, the dead electricity of electromagnetism puller main body 1, to the electromagnet pull of electromagnetic draw bar 2
Disappear, electromagnetic draw bar 2 is transferred to the drawing of jacking block 10 with the transmission pivot pin 4 being fixed thereon by mounting hole 3, pulling block 5, pull bar 6
Power is also disappeared simultaneously, and jacking block 10 is moved forward by the elastic force of spring 8 and drives pull bar 6, pulling block 5 to move forward together, is fixed on jacking block 10
On movable axis 21 follow jacking block 10 to move forward, the open end of left single-arm lever 31 that is driven around on movable axis 21 and right single armed
The open end reach of lever 37, drives the hinge component of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34, and right
The hinge component of single-arm lever 37, right movable mandrel 36 and right double-arm lever 35, is rotated around fixing axle 33, left double-arm lever 34,
The rear end of right double-arm lever 35 is opened toward the left and right sides, and left double-arm lever front end is driven before left movable rack 13, right double-arm lever
End drives right movable rack 17 toward jacking equipment driving rack 18 center position movement, until complete with jacking equipment driving rack 18
The application position engaged entirely, is braked to jacking equipment；With at the same time, electromagnetic draw bar 2 is in electromagnetism puller internal reset mechanism
In the presence of reset forward, reach the position for making arc surface before and after transmission pivot pin 4 and mounting hole 3 have gap；Work as jacking equipment
When preparing to start, the drive system driving jacking equipment of the electric control system control jacking equipment of jacking equipment moves up one
Individual distance element, making the upper plane of load-supporting part and the lower plane of upper rail 16 and right movable rack 17 and left movable rack 13 has one
Microgap, the numerical value of described microgap is that left movable rack 13, right movable rack 17 and jacking equipment drive the sideshake of rack 18
0.2~0.6 times；Then the electric control system control electromagnetism puller main body 1 of jacking equipment obtains electric, to electromagnetic draw bar 2
Electromagnet pull is produced, and electromagnetic draw bar 2 and the transmission pivot pin 4 being fixed thereon pull pulling block 5, pull bar 6, jacking block by mounting hole 3
Moved after 10, while compression spring 8, the movable axis 21 being fixed on jacking block 10, which is followed, to be moved after jacking block 10, is centered around work while pulling
Moved behind the open end of left single-arm lever 31 on moving axis 21 and the open end of right single-arm lever 37, while pulling left double-arm lever
34th, the rear end of right double-arm lever 35 is from the left and right sides toward middle movement, and left double-arm lever front end drives left movable rack 13, the right side double
Arm bar front end drives right movable rack 17 toward the direction movement for leaving jacking equipment driving rack 18 center, until being set with lifting
Standby driving rack 18 is kept completely separate and has the free position in a bit of gap；Described a bit of gap, refers to 2~5mm gaps；
Adjusting nut group 9 is used for the pressure for adjusting spring 8, and support 7 fixes the extreme lower position of the rear end face of spring 9；If there is exception
The unexpected power down of situation, such as jacking equipment or because jacking equipment overspeed protective device action power dump or because liter
Drop equipment reaches the limit of guarded by location device action and cut off the electricity supply etc., and now jacking equipment general supply is immediately without electricity, other mistakes
Electric braking device includes the dead electricity band brake apparatus that carries of motor and played a role immediately braking, after the completion of energy storage device is delayed,
The dead electricity of electromagnetism puller main body 1, the electromagnet pull of electromagnetic draw bar 2 is disappeared, jacking block 10 moves forward, left movable rack 13, right activity
Rack 17 and the driving positive engagement of rack 18, it is ensured that the safety of jacking equipment；When jacking equipment because having a power failure suddenly or it
When its reason brake hard rests in position that can not be with any one stop flat bed, 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 rearwards by, clasp nut combination 24 drives jacking block 10 to be moved rearwards by, and are fixed on jacking block 10
Movable axis 21 follow and moved after jacking block 10, while pulling the open end for being centered around left single-arm lever 31 on movable axis 21 and right list
Moved behind the open end of arm bar 37, while pulling the rear end of left double-arm lever 34, right double-arm lever 35 past middle from the left and right sides
Mobile, left double-arm lever front end drives left movable rack 13, right double-arm lever front end to drive right movable rack 17 is past to leave lifting
The direction movement at the center of device drives rack 18, until being kept completely separate with jacking equipment driving rack 18 and having a bit of gap
Free position；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, 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 2, Fig. 8, Fig. 9 are also the schematic diagram of embodiment 2, it is shown that one kind is mounted with level of the present invention
Formula electromagnetism pulls the elevator of safety catch, and the levels electromagnetic of use pulls its internal structure each several part group of safety catch
Into and effect explanation as shown in Fig. 1~7, and described in [0004] section, [0005] section, [0006] section, [0007] section, work is former
Reason is described identical with [0019] 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 (6)
1. a kind of pinion and-rack jacking equipment levels electromagnetic pulls safety catch, it is characterized in that, device presses horizontal direction
Configuration, installation site includes in jacking equipment car top or bottom or other rational positions, its composition, load receiving part
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 direct load-supporting part or middle transition load-supporting part；Institute
The rail assembly stated includes the horizontal rail of track window aperture, guide plate, load-supporting part and upper rail and lower rail formation, described work
Carry-over bar includes right movable rack and left movable rack, and described right movable rack and left movable rack pass through track window aperture,
The tooth form of the part being associated with the driving rack of jacking equipment of movable rack is in driving rack that can be with jacking equipment
Engagement or the position of separation, are realized with driving by moving horizontally or being maintained on rail assembly in some defined locations
The engagement or separation of carry-over bar, described defined location, including with jacking equipment drive the application position that engages of rack or
Person is kept completely separate with jacking equipment driving rack and has the free position of an intersegmental gap, and described has an intersegmental gap, refers to drive
Carry-over bar and movable rack tooth top interplanar corresponding thereto have >=2mm gaps；The fit dimension of movable rack and horizontal rail
For dynamic cooperation, contact surface is smooth low coefficient of friction surfaces, to be conducive to the movement of movable rack, right movable rack and left work
At the top of carry-over bar load-bearing is directly contacted after on-position is entered with load-supporting part and upper rail；The position restrainer of described movable rack
Structure includes, and at least one direction of the inner face either above or below of the part being associated with guide rail of movable rack is provided with guiding
The mating part of groove, guide groove and guide plate is dynamic cooperation, to prevent movable rack to the outside of car or inner side play；It is living
Directly contact or held by middle transition with the load-supporting part of jacking equipment car after on-position is entered at the top of carry-over bar
Heavy parts contact load-bearing；The operating mechanism manipulation activities rack of movable rack, which is moved horizontally or stopped on orbit hole, to be maintained at
In some defined locations, the operating mechanism of described movable rack is arranged in the support in the horizontal plane direction of jacking equipment car
In structure, described rack-and-pinion jacking equipment horizontal safety catch, the top of its installation site including car or
Bottom or other rational positions；The control device of the operating mechanism of described movable rack includes electromagnetism puller, described
Electromagnetism puller, be a kind of selected working method be pull long-stroke push-and-pull electromagnet, be a kind of new Electromagnetic Control
Action executing device, using power supply power-up control conversion, high-power start, the working method that small-power is maintained is same bigger than producing
The old-fashioned electromagnet volume of low-force is smaller, lighter, more power saving of conducting oneself with dignity；Described electromagnetic driver includes pull bar, electromagnetism and drawn
Dynamic device main body, described electromagnetism puller main body includes the electromagnetic system of electromagnetism puller, control system, and described electromagnetism is pulled
The control system of device is powered and controlled by jacking equipment electric control system.
2. pinion and-rack jacking equipment levels electromagnetic according to claim 1 pulls safety catch, it is characterized in that,
The operating mechanism of described movable rack, including, it is driven pivot pin, pulling block, the mounting hole set on pulling block, pull bar, support, bullet
Spring, adjusting nut group, jacking block, movable axis, the hinge component of left single-arm lever, left movable mandrel and left double-arm lever, right single armed
The hinge component of lever, right movable mandrel and right double-arm lever, fixing axle；The operating mechanism course of work of movable rack is by activity
The control device control of the operating mechanism of rack, the control device of the operating mechanism of described movable rack includes, electromagnetic draw bar,
Electromagnetism puller main body, described electromagnetism puller main body include the electromagnetic system of electromagnetism puller, control system, described electricity
The control system of magnetic puller is powered and controlled by jacking equipment electric control system；Described jacking equipment electric control system
Electromagnetism puller control unit in also include the only contactor that is controlled by general supply or a relay adjunction tentaculum group
Close and energy storage device, the normally-closed contact bridging of the described contactor only controlled by general supply or the combination of relay adjunction tentaculum
Between electromagnetism puller and energy storage device, when jacking equipment obtains electric, normally-closed contact disconnects, electromagnetism puller and energy storage device it
Between connection also disconnect, energy storage device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices include the mistake that motor is carried
Electric band brake apparatus plays a role braking immediately, but electromagnetism puller not dead electricity immediately, described only to be controlled by general supply
Contactor or the normally-closed contact dead electricity closure of relay adjunction tentaculum combination, make electromagnetism puller be connected with energy storage device, store up
Energy device individually completes what braking needed to the time delay constant design tuning of electromagnetism puller for other electricity-loss braking devices
Braking time and the difference of the action total delay time of the operating mechanism of electromagnetism puller and movable rack；Energy storage device has been delayed
Cheng Hou, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity, jacking equipment remains static；Described work
The actual motion direction of the operating mechanism of carry-over bar is direction along the horizontal plane, clear for narration, is defined herein, driving rack direction
To be preceding, after electromagnetism puller main direction is, it is reach to the movement of driving rack direction, is moved to electromagnetism puller main direction
Moved to be rear；The operating mechanism course of work of movable rack is, when electromagnetism puller main body dead electricity, and the electromagnetism of electromagnetic draw bar is drawn
Power disappears, and electromagnetic draw bar and the pulling force that the transmission pivot pin being fixed thereon is transferred to jacking block by mounting hole, pulling block, pull bar are also same
When disappear, jacking block by spring elastic force effect move forward and drive pull bar, pulling block to move forward together, be fixed on the movable axis on jacking block
The open end reach of jacking block reach, the open end for the left single-arm lever being driven around on movable axis and right single-arm lever is followed,
Drive the hinge component of left single-arm lever, left movable mandrel and left double-arm lever, and right single-arm lever, right movable mandrel and the right side pair
The hinge component of arm bar, is rotated around fixing axle, and left double-arm lever, the rear end of right double-arm lever are opened toward the left and right sides, Zuo Shuan
Arm bar upper end drives left movable rack, right double-arm lever front end to drive right movable rack toward jacking equipment driving rack center side
To movement, until driving the at a fully engaged application position of rack with jacking equipment, jacking equipment is braked；At the same time, electromagnetism
Pull bar resets forward in the presence of electromagnetism puller internal reset mechanism, and arrival makes transmission pivot pin and arc surface before and after mounting hole
There is the position in gap；When electromagnetism puller main body obtains electric, the electromagnet pull of electromagnetic draw bar is produced, electromagnetic draw bar and fixation
Moved after transmission pivot pin thereon pulls pulling block, pull bar, jacking block by mounting hole, while compression spring, is fixed on jacking block
Movable axis, which is followed, to be moved after jacking block, while pulling the open end of left single-arm lever and the opening for right single-arm lever being centered around on movable axis
Put and moved behind end, while pulling the rear end of left double-arm lever, right double-arm lever mobile from the left and right sides toward centre, before left double-arm lever
End drives left movable rack, right double-arm lever front end to drive right movable rack toward the direction for leaving jacking equipment driving rack center
It is mobile, until being kept completely separate with jacking equipment driving rack and having the free position in a bit of gap；Described a bit of gap,
Refer to 2~5mm gaps；Adjusting nut group is used for the pressure for adjusting spring, and support fixes the rearmost position of the rear end face of spring；Such as
There are abnormal conditions in fruit, the unexpected power down of such as jacking equipment or because jacking equipment overspeed protective device action power dump,
Or because jacking equipment reaches the limit of guarded by location device action and cut off the electricity supply etc., now jacking equipment general supply immediately without
Electricity, other electricity-loss braking devices include the dead electricity band brake apparatus that carries of motor and played a role immediately braking, prolong in energy storage device
When after the completion of, electromagnetism puller main body dead electricity, electromagnet pull disappearance, jacking block reach, left movable rack, right work to electromagnetic draw bar
Carry-over bar and driving rack positive engagement, it is ensured that the safety of jacking equipment.
3. pinion and-rack jacking equipment levels electromagnetic according to claim 1 pulls safety catch, it is characterized in that,
Described hand-operating unlocking mechanism, including, clasp nut control crank, clasp nut combination, drive screw, worm screw control crank,
The combination of worm type of reduction gearing, wherein clasp nut with pulling block be fixedly connected, the snail of drive screw and worm type of reduction gearing
Take turns to be fixedly connected, usual, clasp nut control crank, which is placed in, opens a sluice gate position, clasp nut combination in state of opening a sluice gate, its mother
Screw thread has no effect with the male thread of drive screw without engagement, drive screw to the motion that clasp nut is combined, so that manually
Unlocking mechanism pulls the motion of safety catch to have no effect pinion and-rack jacking equipment levels electromagnetic, when lifting is set
For because when power failure or other reason brake hards suddenly rests in position that can not be with any one stop flat bed, now may be used
Clasp nut control crank is placed in closing position, clasp nut combination is in "on" position, its box thread and drive screw
Male thread normally engage, manually operation worm screw control crank, worm type of reduction gearing is rotated and is driven drive screw rotation,
Drive screw transmission clasp nut combination is moved rearwards by, clasp nut combination drives jacking block to be moved rearwards by, and is moved, is pressed simultaneously after jacking block
Contracting spring, the movable axis being fixed on jacking block, which is followed, to be moved after jacking block, while pulling is centered around the left single-arm lever on movable axis
Moved behind open end and the open end of right single-arm lever, while pulling the rear end of left double-arm lever, right double-arm lever from the left and right sides
Past middle mobile, left double-arm lever front end drives left movable rack, right double-arm lever front end to drive right movable rack is past to leave liter
The direction movement at device drives rack center is dropped, until with jacking equipment drive rack be kept completely separate and have a bit of gap from
By position；Then Manual jigger mechanism is used, makes jacking equipment flat bed nearby；Described hand-operating unlocking mechanism is necessarily placed at peace
The full position that reliably can not arbitrarily open, has formulated rules and regulations and has strictly implemented, it is ensured that only possessed qualification, awarded
The personnel of power could open and use.
4. pinion and-rack jacking equipment levels electromagnetic according to claim 1 pulls safety catch, it is characterized in that,
The control system of described electromagnetism puller is powered and controlled by jacking equipment electric control system, the control of its electric control system
Step processed includes, when jacking equipment prepares to start, the electric control system control jacking equipment drive system of jacking equipment
Driving jacking equipment moves up a distance element, makes the upper of the lower plane of load-supporting part and right movable rack and left movable rack
Plane has a microgap, and the numerical value of described microgap is left movable rack, right movable rack and jacking equipment driving rack
0.2~0.6 times of sideshake；Then control electromagnetism puller main body obtains electric, drives left movable rack, right movable rack are past to leave liter
The direction movement at device drives rack center is dropped, until with jacking equipment drive rack be kept completely separate and have a bit of gap from
It is that jacking equipment startup is ready by position.
5. pinion and-rack jacking equipment levels electromagnetic according to claim 1 pulls safety catch, it is characterized in that,
It is configured with the installation method of the jacking equipment of the pinion and-rack jacking equipment levels electromagnetic pulling safety catch of the present invention
Including, when carrying out the early stage civil engineering relevant with installing, it is necessary to accurately measured by the difference in height to stop and stop,
Each stop sill is constructed accordingly and accurately controls the difference in height of plane on sill between stop and stop to be driving rack
The integral multiple of tooth pitch, when jacking equipment is installed, correct regulation jacking equipment is worked in coordination with driving rack so that lifting is set
Standby car just stops leveling accuracy from first layer and in median.
6. a kind of elevator, it is characterized in that, install and use the gear teeth described in any claim in claim 1- claims 5
Bar formula jacking equipment levels electromagnetic pulls safety catch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611221564.3A CN107032252B (en) | 2016-12-27 | 2016-12-27 | Pinion and-rack lifting device levels electromagnetic pulls safety catch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611221564.3A CN107032252B (en) | 2016-12-27 | 2016-12-27 | Pinion and-rack lifting device levels electromagnetic pulls safety catch |
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| CN107032252B CN107032252B (en) | 2018-11-23 |
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| CN109532928A (en) * | 2018-11-13 | 2019-03-29 | 江苏添仂智能科技有限公司 | A kind of quiet dynamic brake traction device of tracks of permanent magnetism |
| CN110722886A (en) * | 2019-09-30 | 2020-01-24 | 国网山东省电力公司济南供电公司 | Seal anti-theft device |
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|---|---|
| CN107032252B (en) | 2018-11-23 |
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Effective date of registration: 20200918 Address after: 215000 A, building 88, Beijing East Road, Taicang Development Zone, Suzhou, Jiangsu Patentee after: TAICANG DNS MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. Address before: 4, 528459 floor, No. 2, Xinxing Avenue, Zhongshan Town, Guangdong, A5 Patentee before: Liao Zhongmin |
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