CN106629287A - On-track maintenance supporting device for gear and rack lifting equipment - Google Patents

Abstract

The invention discloses an on-track maintenance supporting device for gear and rack lifting equipment. The on-track maintenance supporting device is characterized by comprising at least one independent safety braking device and at least one maintenance worktable; the at least one independent safety braking device independently realizes reliable braking fixation for the lifting equipment without dependence on a driving system of the lifting equipment and comprises a horizontal electromagnetic drive independent safety braking device; when the at least one maintenance worktable is unfolded to be in a first working state, a worker can stand in a lifting equipment car for checking or maintaining equipment closer to the outer part of the lifting equipment car through a window; when the at least one maintenance worktable is unfolded to be in a second working state, the worker can stand on a working platform for checking or maintaining equipment further from the outer part of the lifting equipment car; and the on-track maintenance supporting device realizes the beneficial effects that the effective space is saved, the working efficiency and the working quality are improved, and the safety protection degree is improved.

Description

Rack-and-pinion jacking equipment maintainable technology on-orbit supports device

Technical field

The present invention relates to jacking equipment maintenance unit field, more particularly to a kind of rack-and-pinion jacking equipment maintainable technology on-orbit Support device.

Background technology

Rack-and-pinion jacking equipment fails once there is drive gear, then the existing axle system by transmission system The dynamic surely reliable braking so that the braking method that drive gear stops operating just differs, if brake hard occur with flat bed There is the position of a segment distance position, existing to make jacking equipment car move to level position by the way that barring gear is manually operated Method also fails because drive gear fails；It is therefore desirable to be able to the device of maintainable technology on-orbit is supported, to guarantee safety.

The content of the invention

The purpose of the present invention, be to provide one kind can support it is various in the case of, support to rack-and-pinion jacking equipment move The maintenance of part such as jacking equipment cab interior and its external attached device, and to jacking equipment standing part such as lift well Facility in road includes the maintenance of guide track system etc., including in-orbit, and particularly in-orbit midway is entered to rack-and-pinion jacking equipment Row regular maintenance and failure is keeped in repair, recover the maintainable technology on-orbit device of rack-and-pinion jacking equipment service ability.

A kind of rack-and-pinion jacking equipment maintainable technology on-orbit supports device, it is characterized in that, including at least one individual secure system Dynamic device, and at least one maintenance platform；Described individual secure brake apparatus, refers to the drivetrain for being independent of jacking equipment System, independently realization carry out the fixed safety catch of reliable braking to rack-and-pinion jacking equipment, so just can ensure that contingency The drive system failure of jacking equipment, jacking equipment still can reliably brake fixation, carry out maintenance activity；Described independent peace Full application of brake device, including, or mechanical device or electric device or hydraulic means or pneumatic means or electric-liquid The combination of combined unit or electric-gas combined unit or calutron or two kinds of above-mentioned apparatus above；Or, bag Include the independent brake device that a kind of worm and gear bispin bolt and nut drives movable rack；Or a kind of levels electromagnetic is pulled independently Safety catch；Described levels electromagnetic pulls individual secure brake apparatus, device to configure by horizontal direction, and installation site exists Jacking equipment car top or bottom or other rational positions, its composition includes, load-supporting part, rail assembly, activity Tooth bar, the position-limit mechanism of movable rack, the operating mechanism of movable rack, the control device of the operating mechanism of movable rack, manually Unlocking mechanism；The control device of the operating mechanism of its movable rack includes electromagnetism puller, the control of described electromagnetism puller System is powered and is controlled by jacking equipment electric control system；Described maintenance platform includes, can folding and unfolding maintenance platform, (when maintenance work state is not at, the internal useful space can be saved)；It is described can folding and unfolding maintenance platform have and pack up State and deployed condition, described deployed condition includes, expands into the first working condition, or expands into second work shape State；The first described working condition, including, maintenance work window 26 is constructed on the side panel of jacking equipment 60, work Personnel may stand in jacking equipment car, checked by window equipment closer to the distance outer to jacking equipment car or Maintenance；Second described working condition, is included on the side panel of jacking equipment 60 and constructs maintenance work window 26, and stretches The workbench gone out outside the side panel of jacking equipment 60, staff may stand on workbench, to jacking equipment car outside Distant equipment is checked or keeped in repair；To ensure safety, it is described with can the lifting of folding and unfolding maintenance platform set It is chain for mechanical electric is provided with.

Fig. 1 is the signal of the individual secure brake apparatus that described worm and gear bispin bolt and nut drives movable rack Figure, it is illustrated that direction is that pinion and-rack jacking equipment safety catch is arranged on jacking equipment car 60 near jacking equipment drive On the inside car side of certain one side of carry-over bar 88, from cab interior toward car side in terms of finding, so for lifting sets Standby to drive tooth bar 88 to can only see its sub-fraction for passing through the display of track window aperture 58, Fig. 1 is shown movable rack and rises The application position of drop device drives tooth bar engagement, Fig. 2 is that the individual secure brake apparatus described in Fig. 1 is in free position state Schematic diagram；Described worm and gear bispin bolt and nut drives the independent brake device of movable rack, including rail assembly, work The operating mechanism of carry-over bar, movable rack；Described rail assembly includes that track window aperture 58, guide plate 63, load-supporting part are simultaneous The horizontal rail that upper rail 61 and lower rail 59 are formed, described movable rack includes right movable rack 67 and left movable rack 64, institute The right movable rack 67 stated and left movable rack 64 pass through track window aperture 58, the driving tooth bar with jacking equipment of movable rack The profile of tooth of 88 parts being associated is in and can engage with the driving tooth bar 88 of jacking equipment or detached position, right movable teeth Bar 67 and the top of left movable rack 64 after into on-position with load-supporting part and the directly contact load-bearing of upper rail 61, movable rack At least one direction of the inner face either above or below of the part being associated with guide rail be provided with gathering sill, gathering sill be oriented to The mating part of plate 63 is dynamic cooperation, to prevent outside or inner side play of the movable rack to car 60；Described movable teeth The operating mechanism of bar includes, worm and gear gearbox 51, worm and gear transmission operation rocking bar 52, bispin screw rod 55, left-handed spiral shell Female 56, left-handed nut regulation handle 57, right-handed nut 66, right-handed nut's regulation handle 53；Bispin screw rod 55 is fixed with worm gear and connected Connect, the left movable rack 64 of left-handed nut 56 is fixedly connected, the right movable rack 67 of right-handed nut 66 is fixedly connected；Its course of work For when jacking equipment normally runs (including normal lifting and stopping), described worm and gear bispin bolt and nut drives lives The individual secure brake apparatus of carry-over bar is in free position, and the normal operation to jacking equipment has no effect；When lifting sets During standby needs hovering maintenance, other brake apparatus are made after jacking equipment braking, artificial to operate worm and gear transmission operation rocking bar 52, worm-drive worm gear, worm gear drive bispin screw rod 55 to rotate, and the transmission left-handed nut 56 of bispin screw rod 55, right-handed nut 66 are past Near the movement of the direction of tooth bar 88 is driven, while left-handed nut 56 drives left movable rack 64, right-handed nut 66 to drive right movable teeth Bar 67 toward near driving the movement of tooth bar 88 direction, until with drive the positive engagement of tooth bar 88, it is at this moment double by described worm and gear Rotation bolt and nut drives the individual secure brake apparatus of movable rack to undertake braking pinned task, the dynamical system of jacking equipment All liberate in can service mode including drive gear；Then launching maintenance platform carries out maintenance activity；When other braking dresses Put when braking can not jacking equipment, ordinary circumstance be braking moment not enough, but can also make jacking equipment speed diminish, this When, worm and gear transmission operation rocking bar 52 can be manually operated, left movable rack 64, right movable rack 67 are made near driving The direction of tooth bar 88 move, until with drive the positive engagement of tooth bar 88；May not have at a fully engaged with tooth bar 88 is driven at the beginning, most Adverse conditions be as Fig. 3 (task of Fig. 3, Fig. 4 be show movable rack with drive tooth bar two kinds of contact situations, be clear The contact situation of movable rack and driving tooth bar is shown, so covering their bispin screw rod and nut and other parts all Omit) shown in braking when the situation that the peak of tooth bar and peak are contacted may occur, now bolt and nut pair it is pre- Friction catch is temporarily become under clamp force effect, if now the braking moment of jacking equipment whole brake apparatus is added up and be enough to reality Now brake, 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 Jacking equipment glides, (because there is braking moment to act on, just having started the meeting of downslide slower), and at this moment, operating personnel are necessary Meticulous inspection, it is well-controlled, when the position of stagger peak and peak is slipped down to, continue to operate worm and gear gearbox behaviour Make rocking bar 52, left movable rack 64, right movable rack 67 is followed closely and clamp-on in the teeth groove for driving tooth bar 88 (referring to Fig. 4), Then as continuing to glide, continue to clamp-on, until left movable rack 64, right movable rack 67 and the driving positive engagement of tooth bar 88, Implement braking；It is knot that described worm and gear bispin bolt and nut drives the individual secure brake apparatus major advantage of movable rack Structure is simple, and from heavy and light, small volume, artificial operation can be grasped flexibly；Fig. 3 be when braking may occur tooth bar peak with The view of peak contact, Fig. 4 is that tooth bar is relative to slide when left movable rack, right movable rack drive with jacking equipment To stagger peak and peak position when, operate worm and gear transmission operation rocking bar, make left movable rack, right movable teeth Bar follows the schematic diagram clamp-oned in the teeth groove for driving tooth bar closely.

Fig. 5 is that a kind of rack-and-pinion jacking equipment levels electromagnetic pulls safety catch (hereinafter referred to as levels electromagnetic drawing Dynamic safety catch) structural representation, it is illustrated that direction is from the top of rack-and-pinion jacking equipment car 60, sheds top sedan-chair Railway carriage or compartment outside plate finding viewed from above, so for jacking equipment drives tooth bar 88 to can only see its top, right movable rack 87 enters Broken section process is gone, can see clearly inside it with the fit structure of right double-arm lever 105 (with right double-arm lever 105 One arm connects), the combination of right movable rack and the combination of left movable rack be with tooth bar in the middle of center chain-dotted line represent perpendicular to The vertical median plane of tooth bar projection plane is the mirror symmetric figure of symmetrical plane, and support 77 is half section, and Fig. 5 is shown activity The state that tooth bar is engaged with jacking equipment driving tooth bar, described levels electromagnetic pulls safety catch to be in application position shape State；Fig. 6 is that the levels electromagnetic shown in Fig. 5 pulls schematic diagram of the releasing braking of safety catch in free state, projection Direction is identical with the projecting direction of Fig. 5；Fig. 7 is the A-A partial sectional views of Fig. 5, and direction is (to tooth bar from A-A section eyes fronts Direction is seen) finding, drawing from rail assembly, movable rack, movable rack front, it is double with a left side for the operating mechanism of movable rack Arm bar 104, the vertical section direction of right double-arm lever 105 show the annexation between them, and the state of display is movable teeth Bar drives tooth bar to engage the state of braking with jacking equipment；Fig. 8 is the movable rack that view direction same as shown in Figure 7 shows Schematic diagram of the tooth bar in released state is driven with jacking equipment；Fig. 9 is the B-B partial sectional views of Fig. 5, and direction is to cut open from B-B Face is turned right and sees (see toward centerline direction) finding, drawing from rail assembly, movable rack, movable rack vertical section direction, show Their annexations with the left double-arm lever 104 of the operating mechanism of movable rack are shown；A kind of rack-and-pinion jacking equipment water Ordinary telegram magnetic pulls safety catch, it is characterized in that, device is configured by horizontal direction, and installation site is in jacking equipment car top Or bottom or other rational positions, its composition includes, load-supporting part, rail assembly, movable rack, movable rack Position-limit mechanism, the operating mechanism of movable rack, the control device of the operating mechanism of movable rack, hand-operating unlocking mechanism；Described Load-supporting part includes direct load-supporting part or middle transition load-supporting part；Described rail assembly include track window aperture 82, The horizontal rail that guide plate 99, load-supporting part and upper rail 86 and lower rail 89 are formed, described movable rack includes right movable rack 87 and left movable rack 83, described right movable rack 87 and left movable rack 83 passes through track window aperture 82, movable rack With jacking equipment drive the profile of tooth of part that tooth bar 88 is associated in can engage with the driving tooth bar 88 of jacking equipment or The detached position of person, realize in some defined locations and driving tooth bar by being moved horizontally on rail assembly or being maintained at 88 engagement or separation, described defined location, including with jacking equipment drive the application position that engages of tooth bar or with Jacking equipment drives tooth bar to be kept completely separate and have the free position of an intersegmental gap, and described has an intersegmental gap, refers to sliding tooth Bar and movable rack tooth top interplanar corresponding thereto have >=2mm gaps；Movable rack is with the fit dimension of horizontal rail Coordinate, contact surface is smooth low coefficient of friction surfaces, to be conducive to the movement of movable rack, right movable rack 87 and left activity The top of tooth bar 83 after into on-position with load-supporting part and the directly contact load-bearing of upper rail 86；Described movable rack it is spacing Mechanism includes that 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 leads To groove, (referring to Fig. 5), gathering sill is dynamic cooperation with the mating part of guide plate 99, to prevent movable rack to the outer of car 60 Side or inner side play；Movable rack top is after into on-position with the load-supporting part of jacking equipment car (in Fig. 5, Fig. 7 Load-supporting part and upper rail 86) directly contact or by middle transition load-supporting part contact load-bearing；The manipulation machine of movable rack Structure manipulation activities tooth bar is moved horizontally on orbit hole or stopped and is maintained in some defined locations, described movable rack Operating mechanism be arranged in the support structures 98 in the horizontal plane direction of jacking equipment car, described rack-and-pinion jacking equipment Levels electromagnetic pulls safety catch, its installation site to include the top or bottom or other rational positions of car； The control device of the operating mechanism of described movable rack includes electromagnetism puller, and described electromagnetism puller is a kind of selecting Working method is the long-stroke push-and-pull electromagnet for pulling, and is a kind of new Electromagnetic Control action executing device, using power supply plus Automatically controlled conversion, high-power start, the working method that small-power is maintained, than the old-fashioned electromagnet volume for producing onesize active force Less, deadweight lighter, more power saving；Described electromagnetism puller includes pull bar 72, electromagnetism puller main body 71, and described electromagnetism draws Electromagnetic system, the control system of dynamic device main body 71 including electromagnetism puller, the control system of described electromagnetism puller is by lifting Equipment electrical control system power supply and control；

The operating mechanism of described movable rack, including, transmission pivot pin 74, pulling block 75, the kidney-shaped arranged on pulling block 75 Hole 73, pull bar 76, support 77, spring 78, adjusting nut group 79, jacking block 80, movable axis 91, left single-arm lever 101, left slide core The hinge component of axle 102 and left double-arm lever 104, the hinge of right single-arm lever 107, right movable mandrel 106 and right double-arm lever 105 Chain component, fixing axle 103；The operating mechanism course of work of movable rack by movable rack operating mechanism control device control System, the control device of the operating mechanism of described movable rack includes, electromagnetic draw bar 72, electromagnetism puller main body 71, described Electromagnetic system, the control system of electromagnetism puller main body including electromagnetism puller, the control system of described electromagnetism puller by Jacking equipment electric control system is powered and is controlled；The control list of the electromagnetism puller of described jacking equipment electric control system Also include that one is only added contactor to combine and energy storage device by the contactor or relay of general supply control in unit, described The contactor or relay controlled by general supply adds the normally-closed contact that contactor is combined to be connected across electromagnetism puller and energy storage dress Between putting, when jacking equipment obtains electric, normally-closed contact disconnects, and the connection between electromagnetism puller and energy storage device also disconnects, energy storage Device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices are played immediately including the dead electricity band brake apparatus that motor is carried Effect braking, but electromagnetism puller not dead electricity immediately, described is only added by the contactor or relay of general supply control The normally-closed contact dead electricity closure of contactor combination, makes electromagnetism puller be connected with energy storage device, and energy storage device is to electromagnetism puller Time delay (discharge time) constant design tuning be other electricity-loss braking devices individually complete brake need braking time With electromagnetism puller and the difference of the action total delay time of the operating mechanism of movable rack；For example, certain jacking equipment its Its electricity-loss braking device individually completes to brake the operating mechanism that the braking time for needing is 3.5S, electromagnetism puller and movable rack Action total delay time be 0.3S, then energy storage device is (3.5S- to the time delay constant design tuning of electromagnetism puller 0.3S=) 3.2S, after the completion of energy storage device time delay, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity (including State after original state or dead electricity after the release of energy storage device energy), jacking equipment remains static；Described movable teeth The actual motion direction of the operating mechanism of bar is direction along the horizontal plane, is that narration is clear, is defined herein, drives the direction of tooth bar 88 to be Before, after the direction of electromagnetism puller main body 71 is, to the movement of the direction of tooth bar 88 is driven for reach, to the direction of electromagnetism puller main body 71 Mobile is rear shifting, and (if Fig. 5, Fig. 6 are vertically placed, reach is exactly that it is exactly relative to drawing to move afterwards relative to the up of drawing It is descending)；The operating mechanism course of work of movable rack is, when electromagnetism puller 71 dead electricity of main body, to electromagnetic draw bar 72 Electromagnet pull disappears, and electromagnetic draw bar 72 is transmitted with the transmission pivot pin 74 being fixed thereon by mounting hole 73, pulling block 75, pull bar 76 Pulling force to jacking block 80 also disappears simultaneously, and jacking block 80 is acted on by the elastic force of spring 78 and moves forward and drive pull bar 76, pulling block 75 1 Play reach, the left single armed thick stick that the movable axis 91 being fixed on jacking block 80 follows jacking block 80 to move forward, is driven around on movable axis 91 The open end reach of the open end of bar 101 and right single-arm lever 107, drives left single-arm lever 101, left movable mandrel 102 with a left side The hinge component of double-arm lever 104, and the hinge component of right single-arm lever 107, right movable mandrel 106 and right double-arm lever 105, Rotate around fixing axle 103, left double-arm lever 104, the rear end of right double-arm lever 105 are opened toward the left and right sides, before left double-arm lever End drives left movable rack 83, right double-arm lever front end to drive right movable rack 87 to drive the center position of tooth bar 88 toward jacking equipment It is mobile, until driving the at a fully engaged application position of tooth bar 88 with jacking equipment, jacking equipment is braked；At the same time, electromagnetism Pull bar 72 resets forward in the presence of electromagnetism puller internal reset mechanism, and arrival is made before and after transmission pivot pin 74 and mounting hole 73 Arc surface has the position in gap；When electromagnetism puller main body 771 must be electric, the electromagnet pull of electromagnetic draw bar 72 is produced, electricity Magnetic pull bar 72 pulls pulling block 75, the shifting after 80s of pull bar 76, jacking block with the transmission pivot pin 74 being fixed thereon by mounting hole 73, while Compression spring 78, the movable axis 91 being fixed on jacking block 80 follows jacking block shifting after 80s, is centered around on movable axis 91 while pulling Move behind the open end of the open end of left single-arm lever 101 and right single-arm lever 107, while pulling left double-arm lever 104, right both arms From the left and right sides toward middle movement, left double-arm lever front end is driven before left movable rack 83, right double-arm lever for the rear end of lever 105 End drives right movable rack 87 toward the direction movement for leaving jacking equipment and driving the center of tooth bar 88, until with jacking equipment sliding tooth Bar 88 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 79 is used to adjust the pressure of spring 78, and support 77 fixes the rearmost position of the rear end face of spring 79；If there is abnormal conditions, The unexpected power down of such as jacking equipment or because jacking equipment overspeed protective device action power dump or because lifting set The standby guarded by location device action that reaches the limit of is cut off the electricity supply etc., and now jacking equipment general supply is immediately without electricity, other dead electricity systems Dynamic device plays a role immediately braking, after the completion of energy storage device time delay, electromagnetism including the dead electricity band brake apparatus that motor is carried Puller main body dead electricity, the electromagnet pull disappearance, jacking block 80 to electromagnetic draw bar 72 moves forward, left movable rack 83, right movable rack 87 with drive the positive engagement of tooth bar 88, it is ensured that the safety of jacking equipment；In the case of brake hard, left movable rack 83, right work Carry-over bar 87 may not have at a fully engaged with tooth bar 88 is driven at the beginning, and worst situation can when being braking as shown in Figure 10 The situation that the peak and peak that tooth bar can occur is contacted, now temporarily becomes friction catch under elastic force effect, if this When jacking equipment whole brake apparatus braking moment add up and be enough to realize braking, braking task is completed；If now lifted The braking moment of equipment whole brake apparatus is added up and be all not enough to prevention jacking equipment downslide, (because there is braking moment to act on, So it is slower just to start the meeting of downslide), when the position of stagger peak and peak is slipped down to, left movable rack 83, the right side Movable rack 87 will be clamp-oned in the teeth groove for driving tooth bar 88 (referring to Figure 11) in the case where elastic force is promoted, and be glided then as continuation, Continue to clamp-on, until left movable rack 83, right movable rack 87 are braked with the positive engagement of tooth bar 88, enforcement is driven；Figure 10 is Fig. 5 C-C partial sectional views direction, the view that contacts with peak of peak of tooth bar may occur when braking, project Direction is from jacking equipment toward the direction observation for driving tooth bar 88；Figure 11 for Figure 10 same view direction, when left movable rack, Right movable rack clamp-ons the schematic diagram during jacking equipment drives the teeth groove of tooth bar under elastic force promotion.

Described hand-operating unlocking mechanism, including, the combination 94, drive screw 95 of clasp nut control crank 93, clasp nut, Worm screw control crank 96, worm type of reduction gearing 97, wherein clasp nut combination 94 and jacking block 80 are to be fixedly connected, drive screw 95 is to be fixedly connected with the worm gear of worm type of reduction gearing 97, and usual, clasp nut control crank 93 is placed in and opens a sluice gate position, folding Nut combination 94 in open a sluice gate the male thread of state, its box thread and drive screw 95 without engaging, drive screw 95 is to folding spiral shell The motion of mother's combination 94 has no effect, so as to 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 have a power failure suddenly 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 93 can be placed in closing position, make clasp nut combination 94 Normally engage with the male thread of drive screw 95 in "on" position, its box thread, manually operate worm screw control crank 96, make snail Worm and gear decelerator 97 is rotated and drives drive screw 95 to rotate, the transmission clasp nut of drive screw 95 combination 94 is moved rearwards by, Clasp nut combination 94 drives jacking block 80 to be moved rearwards by, jacking block shifting after 80s, while compression spring 78, the work being fixed on jacking block 80 Moving axis 91 follows jacking block shifting after 80s, while pulling the open end and right single armed for being centered around left single-arm lever 101 on movable axis 91 Move behind the open end of lever 107, while pulling the rear end of left double-arm lever 104, right double-arm lever 105 from the left and right sides toward centre Mobile, left double-arm lever front end drives left movable rack 83, right double-arm lever front end to drive right movable rack 87 toward leaving lifting The direction movement at the center of device drives tooth bar 88, until driving tooth bar 88 to be kept completely separate and have a bit of gap with jacking equipment Free position；Then Manual jigger mechanism is used, jacking equipment flat bed nearby is made；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.

The control system of described electromagnetism puller is powered and is 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 drives jacking equipment to move up a distance element, makes lower plane and right movable rack 87 and the left side of load-supporting part 86 The upper plane of movable rack 83 has a microgap, and the numerical value of described microgap is left movable rack 83, right movable rack 87 With 0.2～0.6 times that jacking equipment drives the sideshake of tooth bar 88；Then control electromagnetism puller main body 71 and obtain electric, drive left activity Tooth bar 83, right movable rack 87 drive the direction movement at the center of tooth bar 88 toward jacking equipment is left, until driving with jacking equipment Tooth bar 88 is kept completely separate and has the free position in a bit of gap, is that jacking equipment startup is ready.

Figure 12 be it is described can folding and unfolding maintenance platform be configured in a kind of main view of the structure on rack-and-pinion jacking equipment Schematic diagram, situation when drawing is shown that maintenance platform expands into second working condition, the sliding tooth of car 60 in figure Wheel, rolling guide shoe are all the outside visible parts in normal operation, belong to prior art, repeat no more herein thus also without must Mark；Its effect of tooth bar 88, left movable rack 83, right movable rack 87 and operation principle are driven in this manual with regard to only In the content of the vertical safety catch it is stated that left and right of movable rack, is from the inside of jacking equipment car 60 toward side panel It is in order to consistent with the statement of previously described individual secure brake apparatus for direction is seen；Maintenance platform is normally running When pack up, as shown in figure 13, when needing repairing launch, described maintenance platform can expand into two kinds work shapes State；The schematic front view that Figure 13 is packed up for the maintenance platform of Figure 12, Figure 14 expands into the first for the maintenance platform of Figure 12 Front view during working condition, (Figure 13, Figure 14 because figure is relatively easy, using less ratio), Figure 13 projection tables Seem identical with Figure 14 projections on face, but actual content has difference, is exactly that projection in Figure 13 shown by upper table face 2 is One rectangle, in the front view projection of Figure 14, the projection or a rectangle shown by this position, but but it is upper work The projection of the maintenance work window 26 that table top 2 occurs after shedding, observes with reference to Figure 15, Figure 16 and just becomes apparent from, and Figure 15 is Figure 13 Left view partial schematic sectional view, Figure 16 for Figure 14 left view partial schematic sectional view, cross-sectional plane be maintenance platform center The perpendicular that line is represented, direction of observation is to see from left to right；There is section the position of upper table face 2 in the drawing of Figure 15 Line, expression are that entity is cut, and same position in the drawing of Figure 16, have not had hatching, presentation-entity to be moved Open, define maintenance work window 26；Maintenance platform is to close in normal operation, as shown in Figure 13, is needing dimension Launch when repairing, as shown in Figure 12, Figure 14, Figure 16, Figure 17, Figure 18；Figure 17 is the left view partial sectional view of Figure 12, and cross-sectional plane is The perpendicular that maintenance platform center line is represented, direction of observation shows that maintenance platform expands into second to see from left to right Plant the sectional structure of working condition；Figure 18 is the left view of the D-D broken sections of Figure 12, the path bag that section plane D-D passes through Space on the right side of including between backplate guide rail 25 and lower draw-bar seat 17, direction of observation is to see from left to right, it is shown that in the office of Figure 17 Upper connecting rod 15, the middle bearing pin covered by maintenance platform right side backplate 27, upper working panel 2, middle working panel 3 in portion's sectional view 22nd, lower pull bar 21, lower bearing pin 20, the connection of lower draw-bar seat 17；It is described can folding and unfolding maintenance platform, including upper work Panel 2, middle working panel 3, maintenance platform reinforcement 5, upper lock key seat 6, latch-locking 7, upper pendulum lock pin seat 8, upper working face Plate hinge 9, pull-up pole socket 10, upper working panel hinge seat 11, upper working panel hinge axis 12, upper pin 13, upper connecting rod 15, in Lock key seat 16, lower draw-bar seat 17, middle pendulum lock pin seat 18, middle lock pin 19, lower bearing pin 20, lower pull bar 21, middle bearing pin 22, middle work Panel pivot 23, middle working panel hinge axis 24, right side backplate guide rail 25, right side backplate 27, left side backplate 28, left side backplate are led Rail 29, lower lock key seat 31, lower lock pin 32, plastic boot 33；When it is time for repair, safety catch is first controlled to jacking equipment Implement braking, after confirming that jacking equipment is reliably braked, maintenance platform could be launched；The working condition bag that maintenance platform launches Include the first working condition or second working condition；Described can position of the folding and unfolding maintenance platform on jacking equipment car Put, the possibility in whole jacking equipment system needs the actual feelings of the equipment and position relationship of car for checking or keeping in repair Condition determines；After the first working condition is reliably launched, according to the needs of maintenance work, braking can be released, low speed carries out touring Check.

Can folding and unfolding maintenance platform expand into the process of the first working condition and include, unlock first, make latch-locking 7 from upper Exit in pendulum lock pin seat 8, untie the interlocking of lock key seat 6 and upper pendulum lock pin seat 8, make working panel 2 and upper working panel Hinge 9 is rotated around upper working panel hinge axis 12, varus reach former top as shown in Figure 5 under, original below in upper, former direction Outer face is changed into the position towards inner face, while lower lock pin 32 is entered upper pendulum lock pin seat by the lockhole of lower lock key seat 31 In 8 lockhole and in place, make lower lock key seat 31 interlock with upper pendulum lock pin seat 8, then lock；Now, maintenance work is constructed Window 26, staff may stand in jacking equipment car, and by window the state of jacking equipment car external equipment is checked, right The equipment pinpointed the problems is keeped in repair；When need check or keep in repair equipment distance elevating equipment car side panel farther out, work When making personnel and being inconvenient to be checked or keeped in repair, then maintenance platform is expanded into second working condition.

The process that maintenance platform expands into second working condition is included two kinds of situations, the first situation, It is second working condition to expand into reinflated in the case of the first working condition, then, the first step, to lower lock key seat 31 with The interlocking unblock of upper pendulum lock pin seat 8, makes lower lock pin 32 exit from upper pendulum lock pin seat 8, unties lower lock key seat 32 with upper dynamic lock The interlocking of key seat 8；Second step, centering lock key seat 16 is unlocked with the interlocking of middle pendulum lock pin seat 18, makes middle lock pin 19 therefrom move lock Exit in key seat 18, untie middle lock key seat 16 with the interlocking of middle pendulum lock pin seat 18；3rd step, makes working panel 2 and upper work Making panel pivot 9, upper working panel hinge axis 12 follows middle working panel 3 and middle working panel hinge 23 to cut with scissors around middle working panel Chain rivet 24 rotates, turns up, while pulling lower bearing pin 20 and relative turn by the lower draw-bar seat 17 being fixed on middle working panel 3 Dynamic, lower bearing pin 20 pulls lower pull bar 21 simultaneously to relatively rotate, and lower pull bar 21 bearing pin 22 and is relatively rotated in pulling, and middle bearing pin 22 is pulled Upper connecting rod 15 is simultaneously relatively rotated, and upper connecting rod 15 is rotated around the upper pin 13 being fixed in pull-up pole socket 10 hole simultaneously；Work as upper connecting rod 15 with the center line angle of cut of lower pull bar 21 when forming 180 °, and middle working panel 3 turns to extreme position, and described extreme position sets It is calculated as horizontal level；4th step, right side backplate guide rail is passed through left side backplate 28 by left side backplate guide rail 29, right side backplate 27 25 are pushed to the position that vertical side plate behind touches reinforcement 5, then fasten, the form of fastening include screw fasten or Person other fastening forms, the vertical side plate behind described left side backplate 28, right side backplate 27 parallel to side panel 1 to the left and right Outside extends beyond the position of reinforcement 10mm；5th step, makes working panel 2 and upper working panel hinge 9 around upper work Panel pivot axle 12 rotates, turns up, until the vertical edges before the contact of upper working panel 2 left side backplate 28, right side backplate 27 Plate, then fastens, and the form of fastening includes that screw is fastened or other fastening forms, described left side backplate 28, right side backplate Vertical side plate before 27 extends beyond the position of 50mm parallel to jacking equipment side panel 1 on the inside of to the left and right；Plastic boot 33 after maintenance platform launches according to second working condition, before staff not yet goes up on the stage, are sleeved on middle working panel 3 and reveal Go out in the end of jacking equipment cab interior, may in the end of jacking equipment cab interior to prevent middle working panel 3 from exposing The scuffing for causing, before maintenance platform is packed up, unloads plastic boot 33 (it is shown that the feelings of the suit of plastic boot 33 in Figure 17 Condition, it is shown that plastic boot 33 is set with state front or when unloading in Figure 18), be beneficial to middle working panel 3 smoothly pack up it is multiple Position, the plastic boot 33 for unloading should be preserved properly.

Second situation, starts to spread out when the first working condition is not yet expanded into, and directly expands into from collapsed state Second working condition, then, the first step is unlocked first to the interlocking of upper lock key seat 6 and upper pendulum lock pin seat 8, make latch-locking 7 from Exit in upper pendulum lock pin seat 8, untie the interlocking of lock key seat 6 and upper pendulum lock pin seat 8, then make working panel 2 and upper work Make that panel pivot 9 is rotated around upper working panel hinge axis 12, varus reaches position as shown in Figure 5；Second step, centering lock key seat 16 unlock with the interlocking of middle pendulum lock pin seat 18, middle lock pin 19 is therefrom exited in pendulum lock pin seat 18, untie middle lock key seat 16 with The interlocking of middle pendulum lock pin seat 18；3rd step, make working panel 2 and upper working panel hinge 9, upper working panel hinge axis 12 with Rotate, turn up around middle working panel hinge axis 24 with middle working panel 3 and middle working panel hinge 23, while in by being fixed on Lower draw-bar seat 17 on working panel 3 pulls lower bearing pin 20 and relatively rotates, and lower bearing pin 20 pulls lower pull bar 21 and relatively rotates, Lower pull bar 21 bearing pin 22 and is relatively rotated in pulling, and middle bearing pin 22 pulls upper connecting rod 15 simultaneously to relatively rotate, upper connecting rod 15 simultaneously around The upper pin 13 being fixed in pull-up pole socket 10 hole is rotated；When upper connecting rod 15 forms 180 ° with the center line angle of cut of lower pull bar 21 When, middle working panel 3 turns to extreme position, and described extreme position is designed as horizontal level；4th step, left side backplate 28 Touched by the vertical side plate that right side backplate guide rail 25 is pushed to behind by left side backplate guide rail 29, right side backplate 27 plus The position of strong muscle 5, then fastens, and the form of fastening includes that screw is fastened or other fastening forms, described left side backplate 28, Vertical side plate behind the backplate 27 of right side extends beyond to the left and right reinforcement 10mm parallel to jacking equipment side panel 1 Position；5th step, makes working panel 2 and upper working panel hinge 9 rotate, turn up around upper working panel hinge axis 12, directly Vertical side plate before the contact of supreme working panel 2 left side backplate 28, right side backplate 27, then fastens, the form bag of fastening Include screw fastening or other fastening forms, the vertical side plate before described left side backplate 28, right side backplate 27 parallel to Jacking equipment side panel 1 extends beyond the position of 60mm on the inside of to the left and right；Plastic boot 33 is in maintenance platform according to second After working condition is launched, before staff not yet goes up on the stage, it is sleeved on middle working panel 3 and exposes at the end of jacking equipment cab interior Portion, to prevent middle working panel 3 from exposing the possible scuffing in end in jacking equipment cab interior, when maintenance platform is packed up Before, plastic boot 33 is unloaded, it is beneficial to middle working panel 3 and smoothly packs up reset, the plastic boot 33 for unloading should be preserved properly；Maintenance Maintenance platform should be in time packed up after the completion of work, the process packed up is carried out according to the order contrary with expansion process, until Reach working panel 2, the position that middle working panel 3 is fitted completely with the side panel of car, as shown in Figure 13, Figure 15；Then Pendulum lock pin seat 18 and in place in entering lock pin 19, makes middle lock pin 19 both in the lockhole of middle lock key seat 16, and dynamic in In the lockhole of locking pin seat 18, lock key seat 16 and the interlocking of middle pendulum lock pin seat 18, then lock in foundation；Then, latch-locking 7 is made Into upper pendulum lock pin seat 8 and in place, make latch-locking 7 both in the lockhole of upper lock key seat 6, and in the lockhole of upper pendulum lock pin seat 8 In, lock key seat 6 and the interlocking of upper pendulum lock pin seat 8, then lock in foundation；To strengthen window intensity, arrange in thereabout Reinforcement 5, described reinforcement 5 is extended to and is connected load-bearing with car supporting frame 4；In jacking equipment car supporting frame 4 Safety belt retainer ring 36 is set on upper Beam, to increase by one layer of safeguard protection to maintenance work personnel；Described maintenance platform Jacking equipment must be implemented in safety catch to brake, after confirming that jacking equipment is reliably braked, just can be organized work.

To ensure safety, it is described with can folding and unfolding maintenance platform jacking equipment chain, the institute that is provided with mechanical electric The mechanical electric stated it is chain including, 1, only go up working panel 2 and reset and fit in place with jacking equipment car side panel 1, stroke Switch SQ1 could be closed；2, only latch-locking 7 enters upper pendulum lock pin seat 8 and in place, and travel switch SQ2 could be closed；3, only Middle working panel 3 resets and is fitted in place with jacking equipment car side panel 1, and travel switch SQ3 could be closed；4, only middle lock pin 19 enter in pendulum lock pin seat 18 and in place, travel switch SQ4 could be closed；5, only go up the upper pendulum lock pin seat 8 of working panel 2 with Lower lock key seat 31 aligns in place, and travel switch SQ5 could be closed；6, lock pin 32 is only played by the lockhole of lower lock key seat 31 Into in the lockhole of upper pendulum lock pin seat 8 and in place, travel switch SQ6 could be closed；Described travel switch is normally opened contact Type；Travel switch SQ1 connects control relay KA1 with travel switch SQ2 normally opened contacts, travel switch SQ3 and travel switch SQ4 Normally opened contact is connected control relay KA2, and travel switch SQ5 connects control relay KA3 with travel switch SQ6 normally opened contacts； The normally opened main contacts control jacking equipment of the normally opened contact control A.C. contactor KM1 of relay KA1 and relay KA2, KM1 is total Power supply of the power supply to jacking equipment whole power-equipment, the normally opened contact control A.C. contactor of relay KA2 and relay KA3 The normally opened main contacts control power supply of the jacking equipment general supply to jacking equipment low speed power device systems of KM2, KM2, KM1 with The input of the normally opened main contacts of KM2 is parallel to jacking equipment general supply；Figure 19 is described travel switch normally opened contact control The circuit theory diagrams of relay coil, Figure 20 is the circuit theory diagrams of relay normally open contact control contactor coil.

To adapt to the actual conditions of jacking equipment cab interior limited space, described upper working panel 2 and upper working face Plate hinge 9 rotates, reaches the process of certain position around upper working panel hinge axis 12, including, upper working panel 2 and upper working face Plate hinge 9 is directly rotated around upper working panel hinge axis 12, reaches certain position, or first upper working panel hinge axis 12 is unloaded Go out, by proper method upper working panel 2 and upper working panel hinge 9 is reached certain position and then is made upper working panel again Hinge axis 12 resets；Described draws off upper working panel hinge axis 12, including, draw off from upper working panel hinge 9 or Draw off from upper working panel hinge seat 11 or draw off from the two；Appropriate method can thus be chosen, not with In the case that jacking equipment cab interior other parts are interfered, reach working panel 2 and upper working panel hinge 9 Desired position.

Described right side backplate 27, the plate face shape of left side backplate 28, including, or whole plate shape or railing shape (mitigation weight) or grille-like (mitigation weight) or railing add blocking net shape (not only to mitigate weight but also prevented fines Body leaves) or grid add blocking net shape (not only mitigated weight but also prevented small objects from leaving).

The each possible braking of the jacking equipment of individual secure brake apparatus is promoted to stop using levels electromagnetic of the present invention It is that it drives the integral multiple of tooth bar tooth pitch (p=π m) by the distance between point, therefore is configured with the safety catch of the present invention The installation method of jacking equipment include, when carrying out and install relevant early stage civil engineering, it is necessary to by stop and stop Difference in height carry out accurate measurement, each stop sill is constructed and is controlled accordingly and accurately between stop and stop on sill The difference in height of plane for drive tooth bar tooth pitch (p=π m) integral multiple, according to the regulation of GB/T10058, it is allowed to error for ± 10mm (construction internally controlling requirement should be less than this error amount)；It is correct to adjust jacking equipment and sliding tooth when jacking equipment is installed Bar is worked in coordination so that jacking equipment car just stops leveling accuracy and in median from ground floor, then later stop Flat bed just can 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 of GB/T10058 regulations

The present invention arranges individual secure brake apparatus on jacking equipment, and using tooth bar engagement system safeguard protection system is carried out It is dynamic, the reliability of safety arrestment is improve, it is that maintainable technology on-orbit work creates premise；Be conducive to mitigating certainly using electromagnetism puller Weight；Horizontal direction configuration can be arranged with top set or bottom and installed, and save the useful space in car；Tooth bar engagement flat bed is protected Holding precision can reach the requirement of ± 20mm for being much better than GB/T10058 regulations；Arrange can folding and unfolding maintenance platform, both adapted to Jacking equipment car and to be checked or maintenance equipment situation closer to the distance, also adapt to jacking equipment car with it is to be checked Or the distant situation of equipment of maintenance, a particularly segment distance is near, the situation of the remote cross occurrence of a segment distance, can make The rational operating position of maintenance work personnel selection is operated, and is conducive to improving maintenance work efficiency and work quality；Even if Meet midway in apart from level position farther out when there is the situation of problem, also can on-call maintenance, it is ensured that jacking equipment is moved to Home continues normal operation, saves the useful space, improves langding accuracy, improves operating efficiency therefore, it is possible to play And work quality, improve the beneficial effect of safeguard protection degree.

Description of the drawings

Fig. 1 is the signal of the individual secure brake apparatus that described worm and gear bispin bolt and nut drives movable rack Figure.

Fig. 2 is schematic diagram of the individual secure brake apparatus described in Fig. 1 in free position state.

Fig. 3 is that the view that the peak of tooth bar is contacted with peak may occur when braking.

Fig. 4 be when left movable rack, right movable rack and jacking equipment drive tooth bar relatively slide to stagger peak with During the position of peak, the operation rocking bar of worm and gear gearbox is operated, left movable rack, right movable rack is followed closely crowded Enter to drive the schematic diagram in the teeth groove of tooth bar.

Fig. 5 is the structural representation that a kind of rack-and-pinion jacking equipment levels electromagnetic pulls safety catch.

Fig. 6 is that the levels electromagnetic shown in Fig. 5 pulls schematic diagram of the releasing braking of safety catch in free state.

Fig. 7 is the A-A partial sectional views of Fig. 5.

Fig. 8 is the movable rack that shows of view direction same as shown in Figure 7 drives tooth bar in separating with jacking equipment The schematic diagram of state.

Fig. 9 is the B-B partial sectional views of Fig. 5

Figure 10 is the C-C partial sectional views direction of Fig. 5, and the peak that tooth bar may occur when braking is contacted with peak View.

Figure 11 is the same view direction of Figure 10, and under left movable rack, right movable rack are promoted in elastic force lifting is clamp-oned Schematic diagram in the teeth groove of device drives tooth bar.

Maintenance platform described in Figure 12 is configured in a kind of schematic front view of the structure on rack-and-pinion jacking equipment.

The schematic front view that Figure 13 is packed up for the maintenance platform of Figure 12.

Figure 14 expands into front view during the first working condition for the maintenance platform of Figure 12.

Figure 15 is the left view partial schematic sectional view of Figure 13.

Figure 16 is the left view partial schematic sectional view of Figure 14.

Figure 17 is the left view partial sectional view of Figure 12.

Figure 18 is the left view of the D-D broken sections of Figure 12.

Figure 19 is the circuit theory diagrams of travel switch normally opened contact control relay coil.

Figure 20 is the circuit theory diagrams of relay normally open contact control contactor coil.

Figure 21 is to be provided with the rack-and-pinion jacking equipment that rack-and-pinion jacking equipment maintainable technology on-orbit supports device, packs up dimension Workbench is repaiied, on-position is released and is prepared startup optimization, or the schematic appearance for being currently running state.

Specific embodiment

Embodiment 1, Figure 17 is the schematic diagram of embodiment 1, is that described rack-and-pinion jacking equipment maintainable technology on-orbit supports dress Put on rack-and-pinion jacking equipment, pack up maintenance platform, release on-position and prepare startup optimization, or transport The schematic appearance of row state；Figure 12, Figure 13, Figure 14 are also the schematic diagram of embodiment 1, and Figure 13 is keeped in repair when being displayed in on-position The situation that workbench is packed up, maintenance platform expands into the situation of the first working condition when Figure 14 is displayed in on-position, figure 12 maintenance platforms when being displayed in on-position expand into the situation of second working condition；Described rack-and-pinion jacking equipment Maintainable technology on-orbit supports device, and configuration is a kind of levels electromagnetic two ends individual secure brake apparatus, and one kind can folding and unfolding maintenance mans Make platform；Described levels electromagnetic pulls its internal structure each several part composition of individual secure brake apparatus and the explanation of effect to see Fig. 5 Shown in～11, and [0006] section, [0007] section, [0008] section, [described in 0009 section；It is described can folding and unfolding maintenance platform its Internal structure each several part constitute and act on explanation as shown in Figure 12～20, and [0010] section, [0011] section, [0012] section, [0013] described in section, [0014] section, [0015] section, [0016] section；Using right side backplate 27, left side backplate 28 plate face shape For railing plus blocking net shape, safety belt retainer ring 36 is set on the upper Beam of jacking equipment car supporting frame 4, in manufacture and Workmanship and installation quality are should be specifically noted that during installation, including necessary ready-made including accurate key-course described in [0017] section Standing between stop, the difference in height of plane is the relevant work of the integral multiple for driving tooth bar tooth pitch (p=π m) on sill, it is ensured that must The precision of palpus, after detection is qualified, could trial operation；The electric control system of jacking equipment is using embedded system as master control system System, its course of work is, when electromagnetism puller 71 dead electricity of main body, the electromagnet pull of electromagnetic draw bar 72 is disappeared, electromagnetic draw bar 72 pulling force for being transferred to jacking block 80 by mounting hole 73, pulling block 75, pull bar 76 with the transmission pivot pin 74 being fixed thereon are also simultaneously Disappear, jacking block 80 is moved forward and drive pull bar 76, pulling block 75 to move forward together by the elastic force effect of spring 78, is fixed on jacking block 80 Movable axis 91 follow jacking block 80 to move forward, the open end of left single-arm lever 101 that is driven around on movable axis 91 and right single armed The open end reach of lever 107, drives the hinge component of left single-arm lever 101, left movable mandrel 102 and left double-arm lever 104, With right single-arm lever 107, right movable mandrel 106 and the hinge component of right double-arm lever 105, rotate around fixing axle 103, left both arms Lever 104, the rear end of right double-arm lever 105 are opened toward the left and right sides, and left double-arm lever front end drives left movable rack 83, the right side double Arm bar front end drives right movable rack 87 to drive the movement of the center position of tooth bar 88 toward jacking equipment, until driving with jacking equipment The at a fully engaged application position of tooth bar 88, brakes to jacking equipment；At the same time, electromagnetic draw bar 72 is multiple inside electromagnetism puller Reset forward in the presence of the mechanism of position, arrival makes arc surface before and after transmission pivot pin 74 and mounting hole 73 have the position in gap；When Electromagnetism puller main body 771 it is electric when, the electromagnet pull of electromagnetic draw bar 72 is produced, electromagnetic draw bar 72 and the biography being fixed thereon Moving axis pin 74 pulls pulling block 75, the shifting after 80s of pull bar 76, jacking block by mounting hole 73, while compression spring 78, is fixed on jacking block 80 On movable axis 91 follow jacking block shifting after 80s, while pull the open end that is centered around left single-arm lever 101 on movable axis 91 and Move behind the open end of right single-arm lever 107, while pulling left double-arm lever 104, the rear end of right double-arm lever 105 from the left and right sides Toward middle mobile, left double-arm lever front end drive left movable rack 83, right double-arm lever front end drive right movable rack 87 toward from The direction movement that jacking equipment drives the center of tooth bar 88 is opened, until driving tooth bar 88 to be kept completely separate and have a bit of with jacking equipment The free position in gap；Described a bit of gap, refers to 2～5mm gaps；Adjusting nut group 79 is used to adjust the pressure of spring 78 Power, support 77 fixes the rearmost position of the rear end face of spring 79；If there is abnormal conditions, the unexpected power down of such as jacking equipment, Or reach the limit of guarded by location device because of jacking equipment overspeed protective device action power dump or because of jacking equipment Action power dump etc., now jacking equipment general supply is immediately without electricity, what other electricity-loss braking devices were carried including motor Dead electricity band brake apparatus play a role immediately braking, and after the completion of energy storage device time delay, electromagnetism puller main body dead electricity is drawn electromagnetism The electromagnet pull of bar 72 disappears, jacking block 80 moves forward, left movable rack 83, right movable rack 87 with drive the positive engagement of tooth bar 88, Ensure that the safety of jacking equipment；In the case of brake hard, left movable rack 83, right movable rack 87 at the beginning may be with drivings Tooth bar 88 does not have at a fully engaged, the peak and highest that tooth bar may occur when worst situation is braking as shown in Figure 10 The situation of point contact, now temporarily becomes friction catch under elastic force effect, if now jacking equipment whole brake apparatus Braking moment adds up and be enough to realize braking, and braking task is completed；If now jacking equipment whole brake apparatus brake force Square is added up and be all not enough to prevention jacking equipment downslide, and (because there is braking moment to act on, just having started downslide can relatively delay Slowly), when the position of stagger peak and peak is slipped down to, left movable rack 83, right movable rack 87 will be pushed away in elastic force Clamp-on under dynamic in the teeth groove for driving tooth bar 88 (referring to Figure 11), then as continuing to glide, continue to clamp-on, until left movable rack 83rd, right movable rack 87 is braked with the positive engagement of tooth bar 88, enforcement is driven；When needing to check or keep in repair, it is necessary to confirm only Vertical safety catch has reliably been braked after fixing, and could launch maintenance platform；When launching maintenance platform, first can receive Put maintenance platform and expand into the first working condition, maintenance window occurs；Now middle working panel 3 resets and jacking equipment sedan-chair Railway carriage or compartment side panel 1 fit in place, travel switch SQ3 closure, middle lock pin 19 enter in pendulum lock pin seat 18 and in place, travel switch SQ4 Closure, travel switch SQ3 and travel switch SQ4 normally opened contacts close control relay KA2 coil, and to obtain electric, relay KA2 normal Open the closing of contact；The upper pendulum lock pin seat 8 of upper working panel 2 align with lower lock key seat 31 in place, travel switch SQ5 closure, under Lock pin 32 is entered in the lockhole of upper pendulum lock pin seat 8 by the lockhole of lower lock key seat 31 and in place, travel switch SQ6 is closed, OK Cheng Kaiguan SQ5 and travel switch SQ6 normally opened contacts close control relay KA3 coil and obtain electric, relay KA3 normally opened contacts and close Close；The normally opened contact of relay KA2 and relay KA3 closes the coil of control A.C. contactor KM2 and obtains electric so that KM2's Normally opened main contacts closure control jacking equipment general supply is powered to jacking equipment low speed power device systems；The first work After state is reliably launched, according to the needs of maintenance work, braking can be released, low speed carries out tours of inspection；Maintenance work personnel Maintenance window is faced in car, I manipulates or coordinate personnel to manipulate the movement of jacking equipment car low speed, tours of inspection, or Zhe Ting Commissioning go through, keep in repair；When need check or keep in repair equipment distance elevating equipment car side panel 1 farther out when, then Maintenance platform is expanded into second working condition；After expansion, before staff not yet goes up on the stage, during plastic boot 33 is sleeved on Working panel 3 exposes in the end of jacking equipment cab interior, and has dressed safety belt, and checks that confirmation is fixed on safety belt and consolidates Determine the safety belt fixed end state normal reliable on ring 36, maintenance platform is then climbed up again carries out operation；Maintenance work is completed Afterwards, should pack up in time can folding and unfolding workbench；Figure 21 is to be provided with the gear that rack-and-pinion jacking equipment maintainable technology on-orbit supports device Gear rack elevating equipment, packs up maintenance platform, releases on-position and prepares startup optimization, or is currently running the outward appearance of state and shows It is intended to；Due to being provided with electrical interlocks, when certain accidental cause causes non-Ting Commissioning just to carry out launching the operation of maintenance platform, The electric control system of jacking equipment brakes the power supply ， Ting Commissioning for automatically cutting off power set, it is ensured that safety.

Embodiment 2, it is a kind of to be mounted with that rack-and-pinion jacking equipment maintainable technology on-orbit of the present invention supports the rack-and-pinion electricity of device Ladder, described levels electromagnetic pull its internal structure each several part composition of individual secure brake apparatus and the explanation that acts on see Fig. 5～ Shown in 11, and [0006] section, [0007] section, [0008] section, [described in 0009 section；It is described can folding and unfolding maintenance platform in it Portion structure each several part composition and the explanation that acts on as shown in Figure 12～20, and [0010] section, [0011] section, [0012] section, [0013] described in section, [0014] section, [0015] section, [0016] section；The same Figure 12 of outside drawing, Figure 13 during its different working condition, Figure 14, Figure 21；Operation principle is described identical with [0034] section.

In order to illustrate the present invention, this specification citing describes some concrete structures and data, and these are provided to explanation And it is non-limiting, it is complete produced by various changes, replacement and the change done in the range of the basic thought of the claims in the present invention Portion or part equivalent, all within the scope of the invention as claimed.

Claims (9)

1. a kind of rack-and-pinion jacking equipment maintainable technology on-orbit supports device, it is characterized in that, including the braking of at least one individual secure Device, and at least one maintenance platform；Described individual secure brake apparatus, refers to the drivetrain for being independent of jacking equipment System, independent realization carry out the fixed safety catch of reliable braking to rack-and-pinion jacking equipment；Described individual secure system Dynamic device, including, or mechanical device or electric device or hydraulic means or pneumatic means or electric-liquid joint The combination of device or electric-gas combined unit or calutron or two kinds of above-mentioned apparatus above；Or, including one Plant the independent brake device that worm and gear bispin bolt and nut drives movable rack；Or a kind of levels electromagnetic pulls individual secure Brake apparatus；Described levels electromagnetic pulls individual secure brake apparatus, device to configure by horizontal direction, and installation site is in lifting Equipment car top or bottom or other rational positions, its composition includes, 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；The control device of the operating mechanism of its movable rack includes electromagnetism puller, the control system of described electromagnetism puller System is powered and is controlled by jacking equipment electric control system；Described maintenance platform includes, can folding and unfolding maintenance platform；It is described Can folding and unfolding maintenance platform there is collapsed state and deployed condition, described deployed condition includes, expand into the first work State, or expand into second working condition；The first described working condition, including on the side panel of jacking equipment Maintenance work window is constructed, staff may stand in jacking equipment car, by window to jacking equipment car external distance Equipment close to is checked or keeped in repair；Second described working condition, is included in structure on the side panel of jacking equipment Maintenance work window is produced, and stretches out the workbench outside jacking equipment side panel, staff may stand in workbench On, the outer distant equipment of jacking equipment car is checked or keeped in repair；It is described with can folding and unfolding to ensure safety It is chain that the jacking equipment of maintenance platform is provided with mechanical electric.

2. rack-and-pinion jacking equipment maintainable technology on-orbit according to claim 1 supports device, it is characterized in that, described worm gear Worm screw bispin bolt and nut drives the independent brake device of movable rack, including, rail assembly, movable rack, movable rack Operating mechanism；Described rail assembly includes the horizontal rail that track window aperture, guide plate, load-supporting part and upper rail and lower rail are formed Road, described movable rack includes right movable rack and left movable rack, and described right movable rack and left movable rack is passed through Track window aperture, the profile of tooth of the part being associated with the driving tooth bar of jacking equipment of movable rack is in can be with jacking equipment Driving tooth bar engagement or detached position, right movable rack and left movable rack top after into on-position with load-bearing Part and upper rail directly contact load-bearing, the inner face either above or below of the part being associated with guide rail of movable rack is at least One direction is provided with gathering sill, and gathering sill is dynamic cooperation with the mating part of guide plate, to prevent movable rack to the outer of car Side or inner side play；The operating mechanism of described movable rack includes, worm and gear gearbox, worm and gear transmission operation Rocking bar, bispin screw rod, left-handed nut, left-handed nut regulation handle, right-handed nut, right-handed nut's regulation handle；Bispin screw rod with Worm gear is fixedly connected, and the left movable rack of left-handed nut is fixedly connected, and the right movable rack of right-handed nut is fixedly connected；Its course of work For when jacking equipment normally runs, described worm and gear bispin bolt and nut drives the individual secure braking dress of movable rack Put in free position, the normal operation to jacking equipment has no effect；When jacking equipment needs hovering maintenance, other systems Dynamic device is made after jacking equipment braking, artificial operation worm and gear transmission operation rocking bar, and worm-drive worm gear, worm gear drive double Rotation screw rod rotation, bispin screw drive left-handed nut, right-handed nut drive the movement of tooth bar direction toward close, while left-handed nut band Move left movable rack, right-handed nut and drive right movable rack toward near driving the movement of tooth bar direction, until with drive tooth bar reliability Engagement, at this moment drives the individual secure brake apparatus of movable rack to undertake braking solid by described worm and gear bispin bolt and nut Determine task, the dynamical system of jacking equipment is all liberated in can service mode including drive gear；Then maintenance work is launched Platform carries out maintenance activity.

3. rack-and-pinion jacking equipment maintainable technology on-orbit according to claim 1 supports device, it is characterized in that, described level Electromagnetism pulls individual secure brake apparatus, 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 bag Include direct load-supporting part or middle transition load-supporting part；Described rail assembly includes track window aperture, guide plate, load receiving part The horizontal rail that part and upper rail and lower rail are formed, described movable rack includes right movable rack and left movable rack, described Right movable rack and left movable rack pass through track window aperture, the portion being associated with the driving tooth bar of jacking equipment of movable rack The profile of tooth divided is moved in engaging with the driving tooth bar of jacking equipment or detached position by the level on rail assembly Dynamic being either maintained in some defined locations is realized and the engagement for driving tooth bar or is separated, described defined location, bag Include and drive the application position that engage of tooth bar with jacking equipment or be kept completely separate with jacking equipment driving tooth bar and have one intersegmental The free position of gap, described has an intersegmental gap, refer to driving tooth bar and movable rack tooth top interplanar corresponding thereto have >= 2mm gaps；Movable rack is dynamic cooperation with the fit dimension of horizontal rail, and contact surface is smooth low coefficient of friction surfaces, with Be conducive to the movement of movable rack, right movable rack and left movable rack top after into on-position with load-supporting part and on Rail directly contact load-bearing；The position-limit mechanism of described movable rack includes, in the part being associated with guide rail of movable rack At least one direction of end face either above or below is provided with gathering sill, and gathering sill is dynamic cooperation with the mating part of guide plate, with Prevent outside or inner side play of the movable rack to car；Movable rack top after into on-position with jacking equipment sedan-chair The load-supporting part directly contact in railway carriage or compartment contacts load-bearing by middle transition load-supporting part；The operating mechanism of movable rack is manipulated lives Carry-over bar is moved horizontally on orbit hole or stopped and is maintained in some defined locations, the manipulation machine of described movable rack Structure is arranged in the support structures in horizontal plane direction of jacking equipment car, described rack-and-pinion jacking equipment horizontal safety Brake apparatus, its installation site includes the top or bottom or other rational positions of car；Described movable rack The control device of operating mechanism include electromagnetism puller, described electromagnetism puller, be a kind of selected working method be pull Long-stroke push-and-pull electromagnet, is a kind of new Electromagnetic Control action executing device, high-power to open using power supply plus automatically controlled conversion It is dynamic, the working method that small-power is maintained, the old-fashioned electromagnet volume than producing onesize active force is less, deadweight is lighter, more Power saving；Described electromagnetic driver includes pull bar, electromagnetism puller main body, and described electromagnetism puller main body is pulled including electromagnetism The electromagnetic system of device, control system, the control system of described electromagnetism puller powered by jacking equipment electric control system and Control；The operating mechanism of described movable rack, including, pivot pin is driven, pulling block, the mounting hole arranged on pulling block, pull bar is propped up Frame, spring, adjusting nut group, jacking block, movable axis, the hinge component of left single-arm lever, left movable mandrel and left double-arm lever is right The hinge component of single-arm lever, right movable mandrel and right double-arm lever, fixing axle；The operating mechanism course of work of movable rack by The control device control of the operating mechanism of movable rack, the control device of the operating mechanism of described movable rack includes, electromagnetism Pull bar, electromagnetism puller main body, described electromagnetism puller main body include electromagnetic system, the control system of electromagnetism puller, institute The control system of the electromagnetism puller stated is powered and is controlled by jacking equipment electric control system；Described jacking equipment electric-controlled Also include a contactor or relay adjunction only by general supply control in the control unit of the electromagnetism puller of system processed Tentaculum is combined and energy storage device, and the described contactor or relay that are only controlled by general supply adds the normally closed of contactor combination to touch Point is connected across between electromagnetism puller and energy storage device, and when jacking equipment obtains electric, normally-closed contact disconnects, electromagnetism puller and energy storage Connection between device also disconnects, energy storage device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices include motor certainly The dead electricity band brake apparatus of band play a role immediately braking, but electromagnetism puller not dead electricity immediately, and described only receives general supply The contactor or relay of control adds the normally-closed contact dead electricity closure that contactor is combined, and electromagnetism puller is connected with energy storage device Connect, energy storage device individually completes braking to the time delay constant design tuning of electromagnetism puller for other electricity-loss braking devices to be needed The braking time wanted and electromagnetism puller and the difference of the action total delay time of the operating mechanism of movable rack；Energy storage device prolongs When after the completion of, electromagnetism puller dead electricity；When jacking equipment general supply is disconnected without electricity, jacking equipment remains static；It is described The actual motion direction of operating mechanism of movable rack be direction along the horizontal plane, be that narration is clear, define herein, drive tooth bar Direction is front, after electromagnetism puller main direction is, to the movement of tooth bar direction is driven for reach, to electromagnetism puller main direction Mobile is rear shifting；The operating mechanism course of work of movable rack is, when electromagnetism puller main body dead electricity, the electricity to electromagnetic draw bar Magnetic pull disappears, and electromagnetic draw bar is transferred to the pulling force of jacking block with the transmission pivot pin being fixed thereon by mounting hole, pulling block, pull bar Also disappear simultaneously, jacking block is moved forward and drive pull bar, pulling block to move forward together by the elastic force effect of spring, the work being fixed on jacking block Moving axis is followed before jacking block reach, the open end of left single-arm lever being driven around on movable axis and the open end of right single-arm lever Move, 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 with The hinge component of right double-arm lever, rotates around fixing axle, and left double-arm lever, the rear end of right double-arm lever are opened toward the left and right sides, Left double-arm lever upper end drives left movable rack, right double-arm lever front end to drive right movable rack to drive in tooth bar toward jacking equipment Heart direction is moved, until driving the at a fully engaged application position of tooth bar with jacking equipment, jacking equipment is braked；At the same time, Electromagnetic draw bar resets forward in the presence of electromagnetism puller internal reset mechanism, and arrival makes circle before and after transmission pivot pin and mounting hole Cambered surface has the position in gap；When electromagnetism puller main body obtains electric, the electromagnet pull of electromagnetic draw bar is produced, electromagnetic draw bar with The transmission pivot pin being fixed thereon pulled by mounting hole and moved after pulling block, pull bar, jacking block, while compression spring, is fixed on jacking block On movable axis follow move after jacking block, while pulling the open end and right single-arm lever for being centered around left single-arm lever on movable axis Open end after move, while pulling the rear end of left double-arm lever, right double-arm lever from the left and right sides toward middle mobile, left both arms thick stick Bar front end drives left movable rack, right double-arm lever front end to drive right movable rack to drive tooth bar center toward jacking equipment is left Direction is moved, until driving tooth bar to be kept completely separate and have the free position in a bit of gap with jacking equipment；Described is a bit of Gap, refers to 2～5mm gaps；Adjusting nut group is used to adjust the pressure of spring, and support fixes the last position of the rear end face of spring Put；If there is abnormal conditions, such as unexpected power down of jacking equipment or because jacking equipment overspeed protective device action cut-out 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 immediately braking including the dead electricity band brake apparatus that motor is carried, in energy storage After the completion of device time delay, electromagnetism puller main body dead electricity, electromagnet pull disappearance, jacking block reach to electromagnetic draw bar, left movable teeth Bar, right movable rack and driving tooth bar positive engagement, it is ensured that the safety of jacking equipment.

4. rack-and-pinion jacking equipment maintainable technology on-orbit according to claim 1 supports device, it is characterized in that, described is manual Unlocking mechanism, including clasp nut control crank, clasp nut combination, drive screw, worm screw control crank, worm and gear subtract Fast device, wherein clasp nut combine with pulling block be fixedly connected, the worm gear of drive screw and worm type of reduction gearing connects for fixed Connect, usually, clasp nut control crank is placed in and opens a sluice gate position, clasp nut combination in opening a sluice gate state, its box thread with transmission The male thread of screw rod has no effect without engagement, drive screw to the motion that clasp nut is combined, so as to hand-operating unlocking mechanism pair Rack-and-pinion jacking equipment levels electromagnetic pulls the motion of safety catch to have no effect, when jacking equipment because stopping suddenly Electricity or other reason brake hards rest in can not with the position of any one stop flat bed when, now clasp nut can be grasped Vertical handle is placed in closing position, makes male thread of the clasp nut combination in "on" position, its box thread and drive screw normal Engage, manually operate worm screw control crank, rotate worm type of reduction gearing and drive drive screw to rotate, drive screw is driven Clasp nut combination is moved rearwards by, clasp nut combination drives jacking block to be moved rearwards by, and moves after jacking block, while compression spring, fixed Movable axis on jacking block follow move after jacking block, while pulling the open end and right list for being centered around left single-arm lever on movable axis Move behind the open end of arm bar, while the rear end of left double-arm lever, right double-arm lever is pulled from the left and right sides toward middle mobile, it is left Double-arm lever front end drives left movable rack, right double-arm lever front end to drive right movable rack to drive tooth bar toward jacking equipment is left The direction movement at center, until driving tooth bar to be kept completely separate and have the free position in a bit of gap with jacking equipment；Then make With Manual jigger mechanism, jacking equipment flat bed nearby is made；Described hand-operating unlocking mechanism be necessarily placed at it is safe and reliable can not be with The position that meaning is opened, has formulated rules and regulations and has strictly implemented, it is ensured that only possessed qualification, authorized personnel's ability Open and use.

5. rack-and-pinion jacking equipment maintainable technology on-orbit according to claim 1 supports device, it is characterized in that, described electromagnetism The control system of puller is powered and is controlled by jacking equipment electric control system, is wrapped in the rate-determining steps of its electric control system Include, when jacking equipment prepares to start, the electric control system control jacking equipment drive system of jacking equipment drives lifting to set Standby to move up a distance element, the lower plane and the upper plane of right movable rack and left movable rack for making load-supporting part has one Microgap, the numerical value of described microgap be left movable rack, right movable rack and jacking equipment drive tooth bar sideshake 0.2～ 0.6 times；Then control electromagnetism puller main body and obtain electric, drive left movable rack, right movable rack to drive toward jacking equipment is left The direction movement at tooth bar center, until driving tooth bar to be kept completely separate and have the free position in a bit of gap with jacking equipment, be Jacking equipment starts ready.

6. rack-and-pinion jacking equipment maintainable technology on-orbit according to claim 1 supports device, it is characterized in that, described receives Put maintenance platform, including, upper working panel, middle working panel, maintenance platform reinforcement, upper lock key seat, latch-locking, on Pendulum lock pin seat, upper working panel hinge, pull-up pole socket, upper working panel hinge seat, upper working panel hinge axis, upper pin, on Pull bar, middle lock key seat, lower draw-bar seat, middle pendulum lock pin seat, middle lock pin, lower bearing pin, lower pull bar, middle bearing pin, middle working panel hinge Chain, middle working panel hinge axis, right side backplate guide rail, right side backplate, left side backplate, left side backplate guide rail, lower lock key seat, under Lock pin, plastic boot；When it is time for repair, first control safety catch jacking equipment is implemented to brake, confirm that jacking equipment can After braking, maintenance platform could be launched；The working condition that maintenance platform launches includes the first working condition or the Two kinds of working conditions；It is described can position of the folding and unfolding maintenance platform on jacking equipment car, according to whole jacking equipment system Possibility in system needs the actual conditions of the equipment and position relationship of car for checking or keeping in repair to determine, can be arranged on centre Position, it is also possible to be arranged on other suitable positions；

Can folding and unfolding maintenance platform expand into the process of the first working condition and include, unlock first, make latch-locking from upper dynamic lock Exit in key seat, untie the interlocking of lock key seat and upper pendulum lock pin seat, make working panel and upper working panel hinge around upper Working panel hinge axis, varus reach the face that former top is under, original is below outside upper, former direction and are changed into towards inner face Position, while in lower lock pin being entered by the lockhole of lower lock key seat the lockhole of upper pendulum lock pin seat and in place, making lower lock pin Seat and upper pendulum lock pin seat interlocking, then lock；Now, maintenance work window is constructed, staff may stand in jacking equipment In car, the state of jacking equipment car external equipment is checked by window, the equipment to pinpointing the problems is keeped in repair；

Can folding and unfolding maintenance platform expand into second working condition process include two kinds of situations, the first situation, It is second working condition to expand into reinflated in the case of the first working condition, then, the first step, to lower lock key seat with it is upper The interlocking unblock of pendulum lock pin seat, makes lower lock pin exit from upper pendulum lock pin seat, unties lower lock key seat with the connection of upper pendulum lock pin seat Lock；Second step, the interlocking of centering lock key seat and middle pendulum lock pin seat is unlocked, and middle lock pin therefrom exited in pendulum lock pin seat, untied The interlocking of middle lock key seat and middle pendulum lock pin seat；3rd step, makes working panel and upper working panel hinge, upper working panel hinge Chain rivet follows middle working panel and middle working panel hinge around middle working panel hinge axis, turns up, while by being fixed on Lower draw-bar seat on middle working panel pulls lower bearing pin and relatively rotates, and lower bearing pin pulls lower pull bar and relatively rotates, lower pull bar Bearing pin and relatively rotate in pulling, middle bearing pin pulls upper connecting rod simultaneously to relatively rotate, upper connecting rod is simultaneously around being fixed on upper connecting rod bore In upper pin rotate；When upper connecting rod forms 180 ° with the center line angle of cut of lower pull bar, middle working panel turns to limit position Put, described extreme position is designed as horizontal level；4th step, is led to left side backplate by left side backplate guide rail, right side backplate The vertical side plate that backplate guide rail is pushed to behind on the right side of crossing touches the position of reinforcement, then fastens, the form bag of fastening Screw fastening or other fastening forms are included, the vertical side plate behind described left side backplate, right side backplate is parallel to side Plate extends beyond to the left and right the position of reinforcement 10mm；5th step, make working panel and upper working panel hinge around Upper working panel hinge axis, turn up, until the vertical edges before upper working panel contact left side backplate, right side backplate Plate, then fastens, and the form of fastening includes that screw is fastened or other fastening forms, described left side backplate, right side backplate Vertical side plate above extends beyond the position of 60mm parallel to side panel on the inside of to the left and right；Plastic boot is pressed in maintenance platform After launching according to second working condition, before staff not yet goes up on the stage, it is sleeved on middle working panel and exposes in jacking equipment car Internal end, to prevent middle working panel 3 from exposing the scuffing that may cause in the end of jacking equipment cab interior, works as maintenance Before workbench is packed up, plastic boot is unloaded, be beneficial to middle working panel and smoothly pack up reset, the plastic boot for unloading should be protected properly Deposit；

Second situation, starts to spread out when the first working condition is not yet expanded into, and from collapsed state second is directly expanded into Working condition is planted, then, the first step is unlocked first to the interlocking of upper lock key seat and upper pendulum lock pin seat, makes latch-locking from upper dynamic lock Exit in key seat, untie the interlocking of lock key seat and upper pendulum lock pin seat, then make working panel and upper working panel hinge Around upper working panel hinge axis, varus reach former top under, the former face below outside upper, former direction is changed into towards inner The position in face；Second step, the interlocking of centering lock key seat and middle pendulum lock pin seat is unlocked, and middle lock pin is therefrom moved back in pendulum lock pin seat Go out, untie middle lock key seat with the interlocking of middle pendulum lock pin seat；3rd step, makes working panel and upper working panel hinge, upper work Make panel pivot axle to follow middle working panel and middle working panel hinge around middle working panel hinge axis, turn up, while logical Cross the lower draw-bar seat being fixed on middle working panel to pull lower bearing pin and relatively rotate, lower bearing pin pulls lower pull bar and turns relatively Dynamic, lower pull bar bearing pin and is relatively rotated in pulling, and middle bearing pin pulls upper connecting rod simultaneously to relatively rotate, and upper connecting rod is simultaneously on being fixed on Upper pin in pull bar bore is rotated；When upper connecting rod forms 180 ° with the center line angle of cut of lower pull bar, middle working panel is rotated To extreme position, described extreme position is designed as horizontal level；4th step, left side backplate left side backplate guide rail, the right side are passed through Side guard plate touches the position of reinforcement by the vertical side plate that right side backplate guide rail is pushed to behind, then fastens, fastening Form include that screw is fastened or other fastening forms, the vertical side plate behind described left side backplate, right side backplate is put down Row extends beyond to the left and right the position of reinforcement 10mm in jacking equipment side panel；5th step, make working panel and Upper working panel hinge around upper working panel hinge axis, turn up, until upper working panel contact left side backplate, right side backplate Before vertical side plate, then fasten, the form of fastening includes that screw is fastened or other fastening forms, described left side shield Vertical side plate before plate, right side backplate extends beyond the position of 60mm parallel to jacking equipment side panel on the inside of to the left and right Put；Plastic boot before staff not yet goes up on the stage, is sleeved on middle work after maintenance platform launches according to second working condition Panel exposes in the end of jacking equipment cab interior, to prevent middle working panel from exposing in the end of jacking equipment cab interior Possible scuffing, before maintenance platform is packed up, unloads plastic boot, is beneficial to middle working panel and smoothly packs up reset, unloads Plastic boot should properly preserve；Should in time pack up maintenance platform after the completion of maintenance work, the process packed up according to and launch The contrary order of process is carried out, until it reaches the position that upper working panel, middle working panel are fitted completely with the side panel of car； Then pendulum lock pin seat and in place in entering middle lock pin, makes middle lock pin both in the lockhole of middle lock key seat, and in middle pendulum lock pin In the lockhole of seat, lock key seat and the interlocking of middle pendulum lock pin seat, then lock in foundation；Then, latch-locking is made to enter upper dynamic lock Key seat and in place, makes latch-locking both in the lockhole of upper lock key seat, and in the lockhole of upper pendulum lock pin seat, lock pin in foundation Seat and the interlocking of upper pendulum lock pin seat, then lock；To strengthen window intensity, reinforcement, described reinforcement are set in thereabout Muscle is extended to and is connected load-bearing with car supporting frame；

Described upper working panel and upper working panel hinge around upper working panel hinge axis, reach the mistake of certain position Journey, including, upper working panel and upper working panel hinge directly around upper working panel hinge axis, reach certain position, or Person first draws off upper working panel hinge axis, by proper method make upper working panel and upper working panel hinge reach certain again Position then make working panel hinge axis reset；Described draws off upper working panel hinge axis, including from upper working face Draw off in plate hinge or draw off or draw off from the two from upper working panel hinge seat；Thus can choose suitable When method, in the case where not interfering with jacking equipment cab interior other parts, make working panel and upper work Desired position is reached as panel pivot；Described right side backplate, the plate face shape of left side backplate, including, or whole plate shape, Or railing shape or grille-like or railing add blocking net shape or grid plus blocking net shape；Set in lifting Safety belt retainer ring is set on the upper Beam of standby car supporting frame, to increase by one layer of safeguard protection to maintenance work personnel；Institute The maintenance platform stated must be implemented to brake in safety catch to jacking equipment, after confirming that jacking equipment is reliably braked, Can be organized work.

7. rack-and-pinion jacking equipment maintainable technology on-orbit according to claim 1 supports device, it is characterized in that, described has Can the jacking equipment of folding and unfolding maintenance platform to be provided with mechanical electric chain, including, 1, only go up working panel and reset and lifting In place, travel switch SQ1 could be closed equipment cage side panel attachment；2, only latch-locking enters upper pendulum lock pin seat and in place, Travel switch SQ2 could be closed；3, only middle working panel resets with jacking equipment cage side panel attachment in place, travel switch SQ3 could be closed；4, only middle lock pin enter in pendulum lock pin seat and in place, travel switch SQ4 could be closed；5, only upper work The upper pendulum lock pin seat of panel aligns in place with lower lock key seat, and travel switch SQ5 could be closed；6, lock pin is only played by lower fixed The lockhole of locking pin seat enter upper pendulum lock pin seat lockhole in and in place, travel switch SQ6 could be closed；Described travel switch is equal For normally opened contact type；Travel switch SQ1 connects control relay KA1 with travel switch SQ2 normally opened contacts, travel switch SQ3 with Travel switch SQ4 normally opened contacts are connected control relay KA2, and travel switch SQ5 connects control with travel switch SQ6 normally opened contacts Relay KA3；Relay KA1 connects with the normally opened contact of relay KA2 and controls A.C. contactor KM1, the normally opened main contacts of KM1 Power supply of the control jacking equipment general supply to jacking equipment whole power-equipment, the normally opened contact of relay KA2 and relay KA3 The normally opened main contacts of series connection control A.C. contactor KM2, KM2 controls jacking equipment general supply to jacking equipment low speed power equipment The power supply of system, the input of the normally opened main contacts of KM1 and KM2 is parallel to jacking equipment general supply.

8. rack-and-pinion jacking equipment maintainable technology on-orbit according to claim 1 supports device, it is characterized in that, is configured with this The installation method of the rack-and-pinion jacking equipment of bright support enroute maintenance includes, carries out and install relevant early stage civil engineering When, it is necessary to accurate measurement is carried out by the difference in height to stop and stop, each stop sill is constructed and is controlled accordingly and accurately The difference in height of plane is the integral multiple for driving tooth bar tooth pitch on sill between preparative layer station and stop, when jacking equipment is installed, just Really adjust working in coordination for jacking equipment and driving tooth bar so that jacking equipment car from ground floor just stop leveling accuracy and Median.

9. a kind of elevator, is characterized in that, install and use the gear teeth described in any claim in claim 1- claim 8 Bar jacking equipment maintainable technology on-orbit supports device.