CN106744193B - Support the rack-and-pinion lifting device of enroute maintenance - Google Patents

Support the rack-and-pinion lifting device of enroute maintenance Download PDF

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Publication number
CN106744193B
CN106744193B CN201611221135.6A CN201611221135A CN106744193B CN 106744193 B CN106744193 B CN 106744193B CN 201611221135 A CN201611221135 A CN 201611221135A CN 106744193 B CN106744193 B CN 106744193B
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CN
China
Prior art keywords
lifting device
rack
working panel
movable rack
lock pin
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CN201611221135.6A
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Chinese (zh)
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CN106744193A (en
Inventor
廖忠民
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Individual
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Individual
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Priority to CN201611221135.6A priority Critical patent/CN106744193B/en
Publication of CN106744193A publication Critical patent/CN106744193A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0461—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with rack and pinion gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B66B11/0246—Maintenance features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
    • B66B11/0293—Suspension locking or inhibiting means to avoid movement when car is stopped at a floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/26—Positively-acting devices, e.g. latches, knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
    • B66B9/022—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by rack and pinion drives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Body Structure For Vehicles (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

A kind of rack-and-pinion lifting device for supporting enroute maintenance, characterized in that be configured at least one maintenance platform and at least one individual secure brake apparatus；Maintenance platform includes, can folding and unfolding maintenance platform, there is collapsed state and unfolded state；When expanding into the first working condition, staff be may stand in lifting device carriage, and the closer equipment of distance outside lifting device carriage is checked or repaired by window；Second of working condition is expanded into, staff may stand on workbench, and the farther away equipment of distance outside lifting device carriage is checked or repaired；Individual secure brake apparatus includes a kind of levels electromagnetic promotion individual secure brake apparatus, can not depend on the drive system of lifting device, independent realization carries out reliable brake to lifting device and fixes；It plays and saves the useful space, improves working efficiency and work quality, improve the beneficial effect of safeguard protection degree.

Description

Support the rack-and-pinion lifting device of enroute maintenance
Technical field
The present invention relates to lifting device fields, more particularly to a kind of rack-and-pinion lifting device for supporting enroute maintenance.
Background technique
The maintenance work of rack-and-pinion lifting device, it is existing to lifting device movable part such as lifting device cab interior And its maintenance of external attached device, also having the facility for example gone up and down in hoistway to lifting device fixed part includes guide track system Etc. maintenance；And the maintenance of lifting device movable part is also possible to carry out in midway；It is therefore desirable to be able to support The device of above-mentioned work.
Summary of the invention
The purpose of the present invention, being to provide one kind can support in various situations, be included in midway to lifting device progress day It often safeguards and failure is repaired, the rack-and-pinion lifting for restoring the support enroute maintenance work of lifting device service ability is set It is standby.
A kind of rack-and-pinion lifting device for supporting enroute maintenance, characterized in that it is configured at least one maintenance platform, With at least one individual secure brake apparatus；The maintenance platform includes, can folding and unfolding maintenance platform, (be not at dimension When repairing working condition, the internal useful space can be saved), it is described can folding and unfolding maintenance platform there is collapsed state and expansion shape State, the unfolded state include expanding into the first working condition, or expand into second of working condition；Described A kind of working condition, including, maintenance work window 26 is constructed on the side panel of lifting device 60, staff may stand in In lifting device carriage, the closer equipment of distance outside lifting device carriage is checked or repaired by window；Described Second of working condition, including constructing maintenance work window 26, and stretching lifting device on the side panel of lifting device 60 Workbench outside 60 side panels, staff may stand on workbench, farther away to distance outside lifting device carriage Equipment is checked or is repaired；To guarantee safety, it is described have can the lifting device of folding and unfolding maintenance platform be provided with machine Tool electrical interlocks；The individual secure brake apparatus refers to the drive system for not depending on lifting device, independent realization to gear Gear rack elevating equipment carries out the fixed safety catch of reliable braking, just can ensure that the drive system just in case lifting device in this way Failure, lifting device still can reliably brake fixation, repair operation；The individual secure brake apparatus, including, or Person's mechanical device or electric device or hydraulic device or pneumatic device or electric-liquid combined unit or electric-gas The combination of combined unit or calutron or two kinds of above-mentioned apparatus above；The individual secure brake apparatus, packet A kind of levels electromagnetic promotion individual secure brake apparatus is included, the levels electromagnetic pushes individual secure brake apparatus, and device is pressed Horizontal direction configuration, installation site is in lifting device car top or bottom or other reasonable positions, composition packet It includes, load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, movable rack Operating mechanism control device, hand-operating unlocking mechanism；The control device of the operating mechanism of its movable rack includes electromagnetic propulsion The control system of device, the electromagnetic driver is powered and is controlled by lifting device electric control system.
Fig. 1 is a kind of schematic front view of structure of the rack-and-pinion lifting device of the support enroute maintenance, drawing It is shown that the case where when maintenance platform expands into second of working condition, in figure, the driving gear rolling guide shoe of carriage 60 is all It is the external visible parts when operating normally, belongs to the prior art, repeats no more herein thus also unnecessarily marks；Sliding tooth Item 88, left movable rack 83, right movable rack 87 are the building blocks of individual secure brake apparatus, as shown in the figure for braking shape State, effect and working principle illustrate in the content about individual secure brake apparatus in the present specification, a left side for movable rack The right side, be from the inside of lifting device carriage 60 toward side panel direction in terms of for, be to be filled with individual secure braking described hereinafter The statement set is consistent；Maintenance platform is packed up when operating normally, as shown in Fig. 2, the expansion when needing repairing, described Maintenance platform can expand into two kinds of working conditions；Fig. 2 is the schematic front view that the maintenance platform of Fig. 1 is packed up, and Fig. 3 is figure 1 maintenance platform expands into main view when the first working condition, and (Fig. 2, Fig. 3 are used because figure is relatively easy Lesser ratio), seem identical as Fig. 2 projection in Fig. 3 projection surface, but actual content is different, is exactly upper work in Fig. 2 Projection shown by table top 2 is a rectangle, in the main view projection of Fig. 3, projection shown by this position or one Rectangle, but be the projection of the maintenance work window 26 occurred after upper table face 2 is shed, it is observed just in conjunction with Fig. 4, Fig. 5 It becomes apparent from, Fig. 4 is the left view partial schematic sectional view of Fig. 2, and Fig. 5 is the left view partial schematic sectional view of Fig. 3, and cross-sectional plane is dimension The perpendicular of central line of table expression is repaired, direction of observation is to see from left to right；2 institute of upper table face in the drawing of Fig. 4 Be equipped with hatching in place, indicate to be that entity is cut, same position in the drawing of Fig. 5, without hatching, indicate real Body has been removed, and forms maintenance work window 26；Maintenance platform is to close when operating normally, as shown in Figure 2, The expansion when needing repairing, as shown in Fig. 1, Fig. 3, Fig. 5, Fig. 6, Fig. 7；Fig. 6 is the left view partial sectional view of Fig. 1, cross-sectional plane For the perpendicular that maintenance platform center line indicates, direction of observation is to see from left to right, and display maintenance platform expands into the The sectional structure of two kinds of working conditions；Fig. 7 is the left view of the D-D broken section of Fig. 1, the path packet that section plane D-D passes through The gap between right side backplate guide rail 25 and lower draw-bar seat 17 is included, direction of observation is to see from left to right, it is shown that in the part of Fig. 6 Upper connecting rod 15, the middle pin shaft covered in cross-sectional view by maintenance platform right side backplate 27, upper working panel 2, middle working panel 3 22, the connection of lower pull rod 21, lower bearing pin 20, 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 reinforcing rib 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 rod 21, middle pin shaft 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 lifting device Maintenance platform could be unfolded after confirmation lifting device is reliably braked by implementing braking；The working condition packet of maintenance platform expansion Include the first working condition or second of working condition；Described can position of the folding and unfolding maintenance platform in lifting device carriage It sets, the practical feelings of the equipment of inspection or maintenance and the positional relationship of carriage is needed according to the possibility in entire lifting device system Condition determines.
Can folding and unfolding maintenance platform to expand into the process of the first working condition include unlocking first, make latch-locking 7 from upper It is exited in pendulum lock pin seat 8, unlocks the interlocking of lock key seat 6 Yu 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 is below in upper, former direction Outer face becomes 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, interlocks lower lock key seat 31 with upper pendulum lock pin seat 8, then lock；At this point, constructing maintenance work Window 26, staff may stand in lifting device carriage, and the state of lifting device carriage external equipment is checked by window, right The equipment found the problem repairs；When need check or repair equipment distance elevating equipment carriage side panel farther out, work When making personnel is inconvenient to check or repair, then maintenance platform is expanded into second of working condition.
It include two kinds of situations, the first situation, the process that maintenance platform expands into second of working condition Expanding into reinflated in the case where the first working condition is second of working condition, then, the first step, to lower lock key seat 31 with The interlocking of upper pendulum lock pin seat 8 unlocks, and exits lower lock pin 32 from upper pendulum lock pin seat 8, unlocks lower lock key seat 32 and upper dynamic lock The interlocking of key seat 8；The interlocking of second step, centering lock key seat 16 and middle pendulum lock pin seat 18 unlocks, and middle lock pin 19 is made therefrom to move lock The interlocking of middle lock key seat 16 and middle pendulum lock pin seat 18 is exited, unlocked in key seat 18；Third step makes working panel 2 and upper work Make panel pivot 9, upper working panel hinge axis 12 follows middle working panel 3 and middle working panel hinge 23 is cut with scissors around middle working panel The rotation of chain rivet 24 is turned up, while the lower draw-bar seat 17 by being fixed on middle working panel 3 pulls lower bearing pin 20 and opposite turn Dynamic, lower bearing pin 20 pulls lower pull rod 21 simultaneously to relatively rotate, lower pull rod 21 pull in pin shaft 22 and relatively rotate, middle pin shaft 22 pulls Upper connecting rod 15 simultaneously relatively rotates, and upper connecting rod 15 is rotated around the upper pin 13 being fixed in pull-up 10 hole of pole socket simultaneously；Work as upper connecting rod 15 when forming 180 ° with the center line angle of cut of lower pull rod 21, and middle working panel 3 turns to extreme position, and the extreme position is set It is calculated as horizontal position；Left side backplate 28 is passed through right side backplate guide rail by left side backplate guide rail 29, right side backplate 27 by the 4th step The 25 vertical side plates for being pushed to behind touch the position of reinforcing rib 5, then fasten, the form of fastening include screw fastening or The other fastening forms of person, the left side backplate 28, right side backplate 27 subsequent vertical side plate be parallel to side panel 1 to the left and right Outside extends beyond the position of reinforcing rib 10mm；5th step makes working panel 2 and upper working panel hinge 9 around upper work The rotation of panel pivot axis 12 is turned up, until the vertical edges before upper working panel 2 contact left side backplate 28, right side backplate 27 Then plate fastens, the form of fastening includes screw fastening or other fastening forms, the left side backplate 28, right side backplate Vertical side plate before 27 is parallel to lifting device side panel 1 extends beyond 50mm position on the inside of to the left and right；Plastic boot 33 after maintenance platform is unfolded according to second of working condition, before staff not yet goes up on the stage, is sleeved on middle working panel 3 and reveals It, may in the end of lifting device cab interior to prevent middle working panel 3 from exposing out in the end of lifting device cab interior Caused scuffing, before maintenance platform is packed up, plastic boot 33 is unloaded (the case where plastic boot 33 is set with is shown in Fig. 6, State when being shown before plastic boot 33 is set in Fig. 7 or unloading), so that middle working panel 3 smoothly packs up reset, unload Under plastic boot 33 should properly save.
Second situation is started to spread out when not yet expanding into the first working condition, is directly expanded into from collapsed state Second of working condition, then, the first step first unlock upper lock key seat 6 and the interlocking of upper pendulum lock pin seat 8, make latch-locking 7 from It is exited in upper pendulum lock pin seat 8, unlocks the interlocking of lock key seat 6 Yu 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, exit middle lock pin 19 therefrom in pendulum lock pin seat 18, unlock middle lock key seat 16 with The interlocking of middle pendulum lock pin seat 18；Third 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, at the same by being fixed in 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 rod 21 and relatively rotates, Lower pull rod 21 pin shaft 22 and relatively rotates in pulling, and middle pin shaft 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 10 hole of pole socket rotates；When the center line angle of cut of upper connecting rod 15 and lower pull rod 21 forms 180 ° When, middle working panel 3 turns to extreme position, and the extreme position is designed as horizontal position；4th step, left side backplate 28 It is pushed to vertical side plate behind by right side backplate guide rail 25 by left side backplate guide rail 29, right side backplate 27 and touches and add The position of strengthening tendons 5, then fastens, the form of fastening include screw fastening or other fastening forms, the left side backplate 28, The subsequent vertical side plate of right side backplate 27 is parallel to lifting device side panel 1 and extends beyond reinforcing rib 10mm to the left and right 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 supreme contact of working panel 2 left side backplate 28, right side backplate 27, then fastens, the form packet of fastening Screw fastening or other fastening forms are included, the vertical side plate before the left side backplate 28, right side backplate 27 is parallel to Lifting device 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 expansion, before staff not yet goes up on the stage, it is sleeved on middle working panel 3 and exposes at the end of lifting device cab interior Portion, to prevent middle working panel 3 from exposing in the possible scuffing in the end of lifting device cab interior, when maintenance platform is packed up Before, plastic boot 33 is unloaded, so that middle working panel 3 smoothly packs up reset, the plastic boot 33 unloaded should be saved properly；Maintenance Maintenance platform should be packed up after the completion of work in time, the process packed up is carried out according to the sequence opposite with expansion process, until Reach working panel 2, the position that middle working panel 3 is bonded completely with the side panel of carriage, as shown in Figure 2, Figure 4 shows；Then make Middle lock pin 19 enter in pendulum lock pin seat 18 and in place, make middle lock pin 19 not only in the lockhole of middle lock key seat 16, but also move and lock in In the lockhole of key seat 18, the interlocking of lock key seat 16 and middle pendulum lock pin seat 18, is then locked in foundation；Then, make latch-locking 7 into Enter upper pendulum lock pin seat 8 and in place, make latch-locking 7 not only in the lockhole of upper lock key seat 6, but also in the lockhole of upper pendulum lock pin seat 8, The interlocking of lock key seat 6 and upper pendulum lock pin seat 8, then locks in foundation；To reinforce window intensity, it is arranged in thereabout and reinforces Muscle 5, the reinforcing rib 5, which is extended to, connect load-bearing with carriage supporting frame 4；In the upper beam of lifting device carriage supporting frame 4 Upper setting safety belt fixed ring 36, to increase by one layer of safeguard protection to maintenance work personnel；The maintenance platform is necessary Lifting device is implemented to brake in safety catch, after confirmation lifting device is reliably braked, just can be carried out and organize work.
To guarantee safety, it is described have can folding and unfolding maintenance platform lifting device chain, the institute that is provided with mechanical electric It includes 1 that the mechanical electric stated is chain, and the only upper reset of working panel 2 is bonded in place with lifting device carriage 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 The middle reset of working panel 3 is bonded in place with lifting device carriage 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, the upper pendulum lock pin seat 8 of only upper working panel 2 with In place, travel switch SQ5 could be closed for the lower alignment of lock key seat 31；6, only play lock pin 32 to pass through 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；The travel switch is normally opened contact Type；Travel switch SQ1 and travel switch SQ2 normally opened contact series control relay KA1, travel switch SQ3 and travel switch SQ4 Normally opened contact series control relay KA2, travel switch SQ5 and travel switch SQ6 normally opened contact series control relay KA3； The normally opened contact of relay KA1 and relay KA2 controls A.C. contactor KM1, and the normally opened main contacts control lifting device of KM1 is total The normally opened contact of power supply of the power supply to lifting device whole power-equipment, relay KA2 and relay KA3 control A.C. contactor Power supply of the normally opened main contacts control lifting device general supply to lifting device low speed power device systems of KM2, KM2, KM1 with The input terminal of the normally opened main contacts of KM2 is parallel to lifting device general supply；Fig. 8 be the described travel switch normally opened contact control after The circuit diagram of electric apparatus coil, Fig. 9 are the circuit diagram of relay normally open contact control contactor coil.
To adapt to the limited actual conditions in lifting device cab interior space, the upper working panel 2 and upper working face Plate hinge 9 rotates around upper working panel hinge axis 12, reaches the process of some position, including, upper working panel 2 and upper working face Plate hinge 9 directly rotates around upper working panel hinge axis 12, reaches some position, or first upper working panel hinge axis 12 is unloaded Out, so that upper working panel 2 and upper working panel hinge 9 is reached some position by proper method again and then make upper working panel Hinge axis 12 resets；Described draws off upper working panel hinge axis 12, including, drawn off from upper working panel hinge 9 or It draws off from upper working panel hinge seat 11 or is drawn off from the two；Method appropriate can thus be chosen, not with In the case that the other components of lifting device cab interior interfere, reach working panel 2 and upper working panel hinge 9 Desired position.
The plate face shape of the right side backplate 27, left side backplate 28, including whole plate shape or railing shape (mitigating weight) or grille-like (mitigating 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 individual secure brake apparatus, including a kind of levels electromagnetic push individual secure brake apparatus, Figure 10 mono- Kind levels electromagnetic pushes the structural schematic diagram of individual secure brake apparatus, and diagram direction is from rack-and-pinion lifting device carriage 60 Top sheds top car outside plate finding viewed from above, so its top can only see for lifting device drive rack 88, Right movable rack 87 has carried out broken section processing, can see its internal fit structure with right lever 90, right movable teeth clearly Item combination and left movable rack combination be with rack gear among center chain-dotted line indicate perpendicular to the vertical of rack gear projection plane Median plane is the mirror symmetric figure of symmetrical plane, and bracket 77 is half section, and movable rack is shown in Figure 10 and lifting device drives The state of carry-over bar separation, the levels electromagnetic push individual secure brake apparatus to be in free position state；Figure 11 is figure Levels electromagnetic shown in 10 push individual secure brake apparatus rack gear engagement be in on-position schematic diagram, projecting direction with The projecting direction of Figure 10 is identical；Figure 12 is the A-A partial sectional view of Figure 10, and direction is from the eyes front of A-A section (to rack gear direction See) seen in, drawing shows the lever left 80 of the operating mechanism of rail assembly, movable rack, movable rack and movable rack, the right side The connection relationship of lever 90, the state of display are that movable rack is separated with lifting device drive rack in free position state； Figure 13 is in lifting device drive rack for the movable rack that view direction same as shown in Figure 12 is shown and engages braking shape The schematic diagram of state；Figure 14 is the B-B partial sectional view of Figure 10, and direction is the institute (in terms of toward centerline direction) that turns right from B-B section See, drawing from vertical section direction show rail assembly, movable rack, movable rack, movable rack operating mechanism left thick stick The connection relationship of bar 80；A kind of levels electromagnetic promotion individual secure brake apparatus (hereinafter referred to as individual secure brake apparatus), packet It includes, load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, movable rack Operating mechanism control device, hand-operating unlocking mechanism；The load-supporting part includes direct load-supporting part or middle transition Load-supporting part；The rail assembly includes track window aperture 72, guide plate 99, load-supporting part and upper rail 86 and the formation of lower rail 89 Horizontal rail, the movable rack includes left movable rack 83 and right movable rack 87,83 He of left movable rack Right movable rack 87 passes through track window aperture 82, the tooth for the part of movable rack being associated with the drive rack 88 of lifting device Shape is in and can engage with the drive rack 88 of lifting device or isolated position, by being moved horizontally on rail assembly or Person, which is maintained on the position of certain determinations, to be realized and the engagement of drive rack 88 or separates, the position of the determination, including It the application position that is engaged with lifting device drive rack or is kept completely separate with lifting device drive rack and has a bit of The free position of gap, described has a bit of gap, refers to that drive rack and movable rack tooth top interplanar corresponding thereto have 2 The gap~5mm；Movable rack and the fit dimension of horizontal rail are dynamic cooperation, and contact surface is smooth low coefficient of friction surfaces, To be conducive to the movement of movable rack, left movable rack 83 and 87 top of right movable rack after entering on-position with load receiving part Part and upper rail 86 directly contact load-bearing；The inner face either above or below for the part of movable rack being associated with guide rail is at least One direction is provided with guide groove, (referring to Figure 14), and the mating part of guide groove and guide plate 99 is dynamic cooperation, to prevent movable teeth Outside or inside play of the item to carriage 60；Load-bearing at the top of movable rack after entering on-position with lifting device carriage Component (being load-supporting part and upper rail 86 in Figure 11, Figure 13) directly contact contacts load-bearing by middle transition load-supporting part； The operating mechanism manipulation activities rack gear of movable rack moves horizontally on orbit hole or stops the position for being maintained at certain determinations On, the operating mechanism of the movable rack is arranged in the support structure 98 in the horizontal plane direction of lifting device carriage；It is described The operating mechanism of movable rack include that lever left 80, left fixed shaft 81, right fixed shaft 91, movable axis 92, is drawn right lever 90 Block 79, bracket 78, spring 77, adjusting nut group 76, pull rod 75, jacking block 74, protection block 73；The manipulation machine of the movable rack The control device of structure includes electromagnetic driver, and the electromagnetic driver includes electromagnetism push rod 72, electromagnetic driver main body 71, institute The electromagnetic driver main body stated includes the electromagnetic system of electromagnetic driver, control system, the control system of the electromagnetic driver System is powered and is controlled by lifting device electric control system；The control of the electromagnetic driver of the lifting device electric control system It further include the only contactor that control by general supply or relay adjunction tentaculum combines and energy storage device in unit processed, it is described The only contactor that control by general supply or the normally-closed contact that combines of relay adjunction tentaculum be connected across electromagnetic driver and storage Between energy device, when lifting device obtains electric, normally-closed contact is disconnected, and the connection between electromagnetic driver and energy storage device also disconnects, Energy storage device energy storage；When lifting device power loss, other electricity-loss braking devices include the included power loss band brake apparatus of motor immediately Play a role braking, but electromagnetic driver not power loss immediately, the contactor only controlled by general supply or relay The normally-closed contact of device adjunction tentaculum combination connect electromagnetic driver with energy storage device, energy storage device because coil losing electricity is closed Delay time (discharge time) constant design tuning to electromagnetic driver is that other all electricity-loss braking devices completion brakings need The difference of the movement total delay time of the operating mechanism of the braking time and electromagnetic driver and movable rack wanted；For example, certain It is 3.5S, electromagnetic driver and movable teeth that other all electricity-loss braking devices of lifting device, which complete the braking time that braking needs, The movement total delay time of the operating mechanism of item is 0.3S, then energy storage device is whole to the delay time constant design of electromagnetic driver It is set to (3.5S-0.3S=) 3.2S, after the completion of energy storage device delay, electromagnetic driver power loss；When lifting device general supply disconnects (state after discharging including energy storage device energy after original state or power loss), lifting device remain static when no electricity； The actual motion direction of the operating mechanism of the movable rack is that direction defines herein along the horizontal plane to describe clearly, is driven It is mobile to move forward to 88 direction of drive rack after 71 direction of electromagnetic driver main body is before 88 direction of rack gear is, to electromagnetic propulsion 71 direction of device main body is mobile to move back, and (if Figure 10, Figure 11 are placed vertically, Forward is exactly the uplink relative to drawing, is moved back It is exactly the downlink relative to drawing)；The operating mechanism course of work of movable rack is, when electromagnetic driver 71 power loss of main body, After electromagnetism push rod 72 is moved back with protection block 73, jacking block 74 is closely followed protection block 73 and electromagnetism push rod 72 by the elastic force effect of spring 77 Move and drive pull rod 75, pulling block 79 to move back together, the movable axis 92 being fixed on pulling block 79 follows pulling block 79 to move back, drives a left side Lever 80, right lever arm after 90s are rotated around left fixed shaft 81, right fixed shaft 91 toward outside, the forearm of lever left 80, right lever 90 Drive left movable rack 83, right movable rack 87 mobile toward 88 center position of lifting device drive rack, until and drive rack 88 at a fully engaged application positions, jacking block 74 stopping move back, but electromagnetism push rod 72 continue to move back with protection block 73 it is a bit of Distance reaches and keeps discontiguous state with jacking block 74, to guarantee left movable rack 83, right movable rack 87 and drive rack 88 Positive engagement, described a small distance refer to 2~5mm distance；When electromagnetic driver main body 71 must be electric, control electromagnetism is pushed away Bar 72 moves forward, and electromagnetism push rod 72 also moves forward with the Forward of protection block 73,74 protected pieces 73 of jacking block of press and drives pull rod 75, pulling block 79 moves forward together while compressed spring 77, the movable axis 92 being fixed on pulling block 79 follow the Forward of pulling block 79, drive a left side Lever 80, right lever arm after 90s are rotated around left fixed shaft 81, right fixed shaft 91 toward inside, the forearm of lever left 80, right lever 90 Drive left movable rack 83, right movable rack 87 mobile toward the direction for leaving 88 center of lifting device drive rack, until with liter Drop device drives rack gear 88 is kept completely separate and has the free position in a bit of gap, and a bit of gap refers to 2~5mm Gap；Adjusting nut group 76 is used for the pressure of adjustment spring 77, and bracket 78 supports the front position of the front end face of fixed spring 77； If there is abnormal conditions, such as the unexpected power down of lifting device or because lifting device overspeed protective device movement cutting electricity Source or because lifting device reaches the limit of guarded by location device action and cuts off the power etc., lifting device general supply is vertical at this time I.e. without electricity, other electricity-loss braking devices include that the included power loss band brake apparatus of motor plays a role braking immediately, in energy storage dress After the completion of setting delay, 71 power loss of electromagnetic driver main body, electromagnetism push rod 72 is moved back with protection block 73 is reset to original state, top Block 74 moves back, left movable rack 83, right movable rack 87 and 88 positive engagement of drive rack, ensure that the safety of lifting device； In the case of emergency braking, left movable rack 83, right movable rack 87 may not have with drive rack 88 at the beginning it is at a fully engaged, most Adverse conditions when being braking as shown in figure 15 may there is a situation where the highest points of rack gear and highest point contact, at this time in bullet Friction catch is temporarily become under power effect, if the braking moment of lifting device whole brake apparatus adds up and is enough to realize at this time Braking, braking task are completed；If the braking moment of lifting device whole brake apparatus, which adds up, at this time is all not enough to prevent liter Drop equipment to glide, (because there is braking moment effect, just start glide can be slower), when slip down to be staggered highest point with When the position of highest point, left movable rack 83, right movable rack 87 will squeeze into the tooth socket of drive rack 88 under elastic force promotion In (referring to Figure 16), then as continuing to glide, continue to squeeze into, until left movable rack 83, right movable rack 87 and sliding tooth 88 positive engagement of item implements braking；Figure 15 is the C-C partial sectional view direction of Figure 10, and rack gear may occur most when braking The status diagram of high point and highest point contact, projecting direction be from lifting device toward the direction of drive rack 88 from；Figure 16 For the same view direction of Figure 15, when left movable rack, right movable rack squeeze into lifting device drive rack under elastic force promotion Tooth socket in schematic diagram；The control device of the operating mechanism of the movable rack includes electromagnetic driver, the electromagnetism Pusher is the long-stroke push-and-pull electromagnet pushed for a kind of selected working method, is that the novel Electromagnetic Control movement of one kind is held Row device is powered on control conversion, high-power start, the working method that small-power maintains, than generating onesize effect using power supply The old-fashioned electromagnet volume of power is smaller, self weight is lighter, more power saving.
The hand-operating unlocking mechanism, including, clasp nut control crank 93, clasp nut combination 94, drive screw 95, Worm screw control crank 96, worm type of reduction gearing 97, wherein clasp nut combination 94 with pulling block 79 be fixedly connected, drive screw 95 with the worm gear of worm type of reduction gearing 97 be fixedly connected, usually, clasp nut control crank 93 be placed in opens a sluice gate position, folding Nut combination 94 in state of opening a sluice gate, its box thread and the male thread of drive screw 95 without engage, 95 pairs of folding spiral shells of drive screw The movement of mother's combination 94 has no effect, so that hand-operating unlocking mechanism pushes the movement of individual secure brake apparatus to levels electromagnetic Have no effect, when lifting device because have a power failure suddenly or other reason emergency brakings rest in cannot be with any one stop When the position of leveling, at this time clasp nut control crank 93 can be placed in closing position, make clasp nut combination 94 in close a floodgate State, its box thread normally engage with the male thread of drive screw 95, manual operation worm screw control crank 96, subtract worm and gear Fast device 97 rotates and the rotation of drive screw 95, drive screw 95 is driven to be driven 94 forward movement of clasp nut combination, clasp nut Combination 94 drives pulling block 79 to move forward, and the movable axis 972 being fixed on pulling block 79 follows the Forward of pulling block 79, drives lever left 80, right lever arm after 90s is rotated around left fixed shaft 81, right fixed shaft 91 toward inside, the forearm drive of lever left 80, right lever 90 Left movable rack 83, right movable rack 87 are mobile toward the direction for leaving 88 center of lifting device drive rack, until setting with lifting Standby drive rack 88 is kept completely separate and has the free position in a bit of gap；Then Manual jigger mechanism is used, lifting device is made Nearest leveling；The hand-operating unlocking mechanism is necessarily placed at the position that securely and reliably cannot arbitrarily open, and has formulated regulations system It spends and strictly implements, it is ensured that only have qualification, authorized personnel could open and use.
The control system of the electromagnetic driver is powered and is controlled by lifting device electric control system, electrical control It include that, when lifting device prepares to start, the electric control system of lifting device controls lifting device in the rate-determining steps of system Drive system driving lifting device moves 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 the microgap is left movable rack 83, right movable rack 87 With 0.2~0.6 times of 88 sideshake of lifting device drive rack；Then control electromagnetic driver main body 71 obtains electric, drives left activity Rack gear 83, right movable rack 87 are mobile toward the direction for leaving 88 center of lifting device drive rack, until driving with lifting device Rack gear 88 is kept completely separate and has the free position in a bit of gap, is ready for lifting device starting.
Each possible braking of lifting device of individual secure brake apparatus is pushed to stop using levels electromagnetic of the present invention By the distance between point it is the integral multiple of its drive rack tooth pitch (p=π m), therefore is configured with safety catch of the invention The installation method of lifting device include, when carrying out and install related civil construction early period, it is necessary to by stop and stop Difference in height carry out precise measurement, constructed and accurately controlled between stop and stop on sill to each stop sill accordingly The difference in height of plane is the integral multiple of drive rack tooth pitch (p=π m), according to the regulation of GB/T10058, allowable error is ± 10mm (construction internally controlling requirement should be less than this error amount)；It is correct to adjust lifting device and sliding tooth in lifting device installation Item is worked in coordination, so that lifting device carriage just stops leveling accuracy from first layer and in median, then later stop Leveling can meet the requirements, or even when other individual leveling element failures, also can guarantee stop leveling accuracy； And the requirement that leveling keeps precision that can be much better than ± 20mm as defined in GB/T10058
The present invention be arranged on lifting device can folding and unfolding maintenance platform, both adapted to lifting device carriage and it is to be checked or The case where equipment of person's maintenance is closer also adapts to lifting device carriage and to be checked or maintenance equipment distance farther out The case where, the case where especially a distance is close, a distance remote cross occurrence, maintenance work personnel selection can be made reasonable Operating position works, and is conducive to improve maintenance work efficiency and work quality；Even if meeting midway in apart from leveling position There is a situation where problems when setting farther out, also can on-call maintenance, guarantee that lifting device is moved to home or continues normal fortune Row, levels electromagnetic push individual secure brake apparatus to carry out safeguard protection braking using rack gear engagement system, improve safe system Dynamic reliability；Be conducive to mitigate self weight using electromagnetic driver；Horizontal direction configuration can be installed with top set or bottom setting, The useful space in carriage is saved；Rack gear engagement leveling keep precision can achieve be much better than as defined in GB/T10058 ± The requirement of 20mm；Therefore, it can play and save the useful space, improve langding accuracy, improve working efficiency and work quality, improve The beneficial effect of safeguard protection degree.
Detailed description of the invention
Fig. 1 is a kind of schematic front view of structure of the rack-and-pinion lifting device of the support enroute maintenance, drawing It is shown that the case where when maintenance platform expands into second of working condition.
Fig. 2 is the schematic front view that the maintenance platform of Fig. 1 is packed up.
The maintenance platform that Fig. 3 is Fig. 1 expands into main view when the first working condition.
Fig. 4 is the left view partial schematic sectional view of Fig. 2.
Fig. 5 is the left view partial schematic sectional view of Fig. 3.
Fig. 6 is the left view partial sectional view of Fig. 1.
Fig. 7 is the left view of the D-D broken section of Fig. 1.
Fig. 8 is the circuit diagram that travel switch normally opened contact controls relay coil.
Fig. 9 is the circuit diagram of relay normally open contact control contactor coil.
Figure 10 is the structural schematic diagram that a kind of levels electromagnetic pushes individual secure brake apparatus.
Figure 11 is that levels electromagnetic shown in Fig. 10 pushes the rack gear engagement of individual secure brake apparatus in on-position Schematic diagram.
Figure 12 is the A-A partial sectional view of Figure 10.
Figure 13 is in lifting device drive rack for the movable rack that view direction same as shown in Figure 12 is shown and nibbles Close the schematic diagram of on-position.
Figure 14 is the B-B partial sectional view of Figure 10.
Figure 15 is the C-C partial sectional view direction of Figure 10, and the highest point of rack gear may occur when braking and highest point connects The status diagram of touching.
Figure 16 is the same view direction of Figure 15, when left movable rack, right movable rack squeeze into lifting under elastic force promotion Schematic diagram in the tooth socket of device drives rack gear.
Figure 17 is the schematic diagram of embodiment 1.
Specific embodiment
Embodiment 1, Figure 17 are the schematic diagram of embodiment 1, are the rack-and-pinion lifting device of the support enroute maintenance, Maintenance platform is packed up, on-position is released and prepares starting operation, or be currently running the appearance diagram of state；Fig. 1, Fig. 2, The case where Fig. 3 is also the schematic diagram of embodiment 1, and maintenance platform is packed up when Fig. 2 is shown in the braking state, Fig. 3 is shown in braking Maintenance platform expands into the case where the first working condition when state, and maintenance platform is unfolded when Fig. 1 is shown in the braking state The case where for second of working condition；The rack-and-pinion lifting device of the support enroute maintenance is configured with a kind of horizontal electricity Magnetic pushes individual secure brake apparatus and one kind can folding and unfolding maintenance platform；The levels electromagnetic pushes individual secure braking Its internal structure each section of device composition and effect illustrate as shown in Figure 10~16, and [0012] section, [0013] section, [0014] Duan Suoshu；It is described can its internal structure each section of folding and unfolding maintenance platform composition and effect illustrate see the institute of Fig. 1~7 Show, and [0004] section, [0005] section, [0006] section, [0007] section, [0008] section, [0009] section, [0010] Duan Suoshu；It adopts Right side backplate 27, the plate face shape of left side backplate 28 my railing add blocking net shape, in lifting device carriage supporting frame 4 Upper beam on be arranged safety belt fixed ring 36, should be specifically noted that manufacturing quality and installation quality in manufacture and installation, including [0015] Duan Suoshu must it is ready-made include accurately control plane on sill between stop and stop difference in height be sliding tooth The related work of the integral multiple of tooth pitch (p=π m) could trial operation after guaranteeing that necessary precision, detection are qualified；Lifting device Electric control system using embedded system as master control system, the course of work is, when 71 power loss of electromagnetic driver main body When, electromagnetism push rod 72 is moved back with protection block 73, jacking block 74 is acted on by the elastic force of spring 77 immediately following protection block 73 and electromagnetism push rod 72 move back and drive pull rod 75, pulling block 79 to move back together, and the movable axis 92 being fixed on pulling block 79 follows pulling block 79 to move back, band Dynamic lever left 80, right lever arm after 90s rotate around left fixed shaft 81, right fixed shaft 91 toward outside, lever left 80, right lever 90 Forearm drives left movable rack 83, right movable rack 87 mobile toward 88 center position of lifting device drive rack, until with driving The at a fully engaged application position of rack gear 88, the stopping of jacking block 74 moves back, but electromagnetism push rod 72 continues to move back one with protection block 73 Segment distance reaches and keeps discontiguous state with jacking block 74, to guarantee left movable rack 83, right movable rack 87 and sliding tooth 88 positive engagement of item, described a small distance refer to 2~5mm distance；When electromagnetic driver main body 71 must be electric, control electricity Magnetic push rod 72 moves forward, and electromagnetism push rod 72 also moves forward and drives with the Forward of protection block 73,74 protected pieces 73 of jacking block of press Pull rod 75, pulling block 79 move forward together while compressed spring 77, and the movable axis 92 being fixed on pulling block 79 follows the Forward of pulling block 79, band Dynamic lever left 80, right lever arm after 90s rotate around left fixed shaft 81, right fixed shaft 91 toward inside, lever left 80, right lever 90 Forearm drives left movable rack 83, right movable rack 87 mobile toward the direction for leaving 88 center of lifting device drive rack, until It is kept completely separate and has the free position in a bit of gap with lifting device drive rack 88, a bit of gap, refer to 2~ The gap 5mm；Adjusting nut group 76 is used for the pressure of adjustment spring 77, and bracket 78 supports the most anteposition of the front end face of fixed spring 77 It sets；If there is abnormal conditions, such as the unexpected power down of lifting device or because lifting device overspeed protective device movement cutting Power supply or because lifting device reaches the limit of guarded by location device action and cuts off the power etc., at this time lifting device general supply Immediately without electricity, other electricity-loss braking devices include that the included power loss band brake apparatus of motor plays a role braking immediately, in energy storage Device delay after the completion of, 71 power loss of electromagnetic driver main body, electromagnetism push rod 72 moved back with protection block 73 be reset to original state, Jacking block 74 moves back, left movable rack 83, right movable rack 87 and 88 positive engagement of drive rack, ensure that the peace of lifting device Entirely；In the case of emergency braking, left movable rack 83, right movable rack 87 may not have at the beginning with drive rack 88 to be nibbled completely It closes, may be there is a situation where the highest point of rack gear and highest point contact when worst situation is braking as shown in figure 15, this When temporarily become friction catch under the effect of elasticity, if the braking moment of lifting device whole brake apparatus adds up foot at this time To realize braking, braking task is completed；It is all not enough to if the braking moment of lifting device whole brake apparatus adds up at this time It prevents lifting device to glide, (because there is braking moment effect, just starting downslide can be slower) is staggered most when slipping down to When the position of high point and highest point, left movable rack 83, right movable rack 87 will squeeze into drive rack 88 under elastic force promotion Tooth socket in (referring to Figure 16), then as continuing to glide, continue to squeeze into, until left movable rack 83, right movable rack 87 with 88 positive engagement of drive rack implements braking；When lifting device because power failure or other reason emergency brakings rest in suddenly When cannot be with the position of any one stop leveling, at this time clasp nut control crank 93 can be placed in closing position, make to open and close Nut combination 94 is normally engaged in "on" position, its box thread with the male thread of drive screw 95, manual operation worm screw manipulates Handle 96 rotates worm type of reduction gearing 97 and the rotation of drive screw 95, drive screw 95 is driven to be driven clasp nut combination 94 move forward, clasp nut combination 94 drives pulling block 79 to move forward, and the movable axis 92 being fixed on pulling block 79 follows pulling block 79 Forwards drive lever left 80, right lever arm after 90s to rotate around left fixed shaft 81, right fixed shaft 91 toward inside, lever left 80, the right side The forearm of lever 90 drives left movable rack 83, right movable rack 87 to move toward the direction for leaving 88 center of lifting device drive rack It is dynamic, until the free position in a bit of gap is kept completely separate and had with lifting device drive rack 88；Then hand turning is used Mechanism makes the nearest leveling of lifting device；The hand-operating unlocking mechanism is necessarily placed at the position that securely and reliably cannot arbitrarily open It sets, formulated rules and regulations and strictly implements, it is ensured that only have qualification, authorized personnel could open and make With；When needing to check or repair, it is necessary to after confirming individual secure brake apparatus reliably braking being fixed, could be unfolded to tie up Repair workbench；Be unfolded maintenance platform when, first can folding and unfolding maintenance platform expand into the first working condition, maintenance window goes out It is existing；Middle working panel 3 reset at this time be bonded with lifting device carriage side panel 1 in place, travel switch SQ3 be closed, middle lock pin 19 In pendulum lock pin seat 18 and in place, travel switch SQ4 closure, travel switch SQ3 is closed with travel switch SQ4 normally opened contact Control relay KA2 coil obtains electric, relay KA2 normally opened contact closure；The upper pendulum lock pin seat 8 and lower lock of upper working panel 2 Key seat 31 be aligned in place, travel switch SQ5 closure, lower lock pin 32 enters upper pendulum lock pin seat 8 by the lockhole of lower lock key seat 31 Lockhole in and in place, travel switch SQ6 closure, travel switch SQ5 and travel switch SQ6 normally opened contact, which be closeds, controls relay Device KA3 coil obtains electric, relay KA3 normally opened contact closure；The normally opened contact of relay KA2 and relay KA3 is closed control The coil of A.C. contactor KM2 obtain it is electric so that KM2 normally opened main contacts closure control lifting device general supply it is low to lifting device Quick-action power device systems are powered；Maintenance work personnel face maintenance window in carriage, I manipulates or cooperation personnel The movement of manipulation lifting device carriage low speed, tours of inspection or Ting Commissioning go through, repair；When need to check or repair Equipment distance elevating equipment carriage side panel 1 farther out when, then maintenance platform is expanded into second of working condition；After expansion, Before staff not yet goes up on the stage, plastic boot 33 is sleeved on middle working panel 3 and is exposed in the end of lifting device cab interior, and Safety belt has been dressed, and has checked the safety belt fixed end state normal reliable that confirmation is fixed in safety belt fixed ring 36, then Maintenance platform is climbed up again carries out operation；After the completion of maintenance work, should pack up in time can folding and unfolding workbench；Figure 17 is the branch The rack-and-pinion lifting device for holding enroute maintenance packs up maintenance platform, releases on-position and prepares starting operation, or The appearance diagram of operating status；Due to being provided with electrical interlocks, when certain accidental cause causes non-Ting Commissioning just to carry out expansion dimension When repairing the operation of workbench, the electric control system of lifting device brakes the power supply , Ting Commissioning for automatically cutting off power device, guarantees Safety.
Embodiment 2, it is a kind of to be mounted with that the present invention supports independent brake described in the rack-and-pinion lifting device of enroute maintenance Device and can folding and unfolding maintenance platform rack and pinion lift, the levels electromagnetic pushes individual secure brake apparatus inside it Structure each section forms and what is acted on illustrates as shown in Figure 10~16, and [0012] section, [0013] section, [0014] Duan Suoshu； It is described can its internal structure each section of folding and unfolding maintenance platform composition and effect illustrate as shown in Fig. 1~7, and [0004] Section, [0005] section, [0006] section, [0007] section, [0008] section, [0009] section, [0010] Duan Suoshu；When its different working condition Outside drawing same Fig. 1, Fig. 2, Fig. 3, Figure 17；Working principle and [0034] section are described identical.
In order to illustrate the present invention, this specification illustrates some specific structures and data, these are provided to illustrate And it is non-limiting, it is complete caused by various changes, replacement and the change done within the scope 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 lifting device for supporting enroute maintenance, characterized in that it is configured at least one maintenance platform, and At least one individual secure brake apparatus；The maintenance platform includes, can folding and unfolding maintenance platform, described can folding and unfolding dimension Workbench is repaired with collapsed state and unfolded state, the unfolded state includes expanding into the first working condition, Huo Zhezhan It opens as second of working condition；The first described working condition, including, maintenance mans are constructed on the side panel of lifting device Make window, staff may stand in lifting device carriage, by window to the closer equipment of distance outside lifting device carriage It is checked or is repaired；Second of working condition, including constructing maintenance work on the side panel of lifting device Window, and the workbench outside lifting device side panel is stretched out, staff may stand on workbench, to lifting device The outer farther away equipment of distance of carriage is checked or is repaired；To guarantee safety, it is described can folding and unfolding maintenance platform be provided with Mechanical electric is chain；The individual secure brake apparatus refers to the drive system for not depending on lifting device, independent realization to tooth It takes turns rack gear lifting device and carries out the fixed safety catch of reliable braking；The individual secure brake apparatus, including, or Mechanical device or electric device or hydraulic device or pneumatic device or electric-liquid combined unit or electric-gas connection It attaches together and sets or the combination of calutron or two kinds of above-mentioned apparatus above；The individual secure brake apparatus, is also wrapped A kind of levels electromagnetic promotion individual secure brake apparatus is included, the levels electromagnetic pushes individual secure brake apparatus, and device is pressed Horizontal direction configuration, installation site is in lifting device car top or bottom or other reasonable positions, composition packet It includes, load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, the operating mechanism of movable rack, movable rack Operating mechanism control device, hand-operating unlocking mechanism；The control device of the operating mechanism of its movable rack includes electromagnetic propulsion The control system of device, the electromagnetic driver is powered and is controlled by lifting device electric control system.
2. the rack-and-pinion lifting device according to claim 1 for supporting enroute maintenance, characterized in that described can folding and unfolding Maintenance platform, including, it is upper working panel, middle working panel, maintenance platform reinforcing rib, upper lock key seat, latch-locking, upper dynamic Locking pin seat, upper working panel hinge, pull-up pole socket, upper working panel hinge seat, upper working panel hinge axis, upper pin, pull-up Bar, middle lock key seat, lower draw-bar seat, middle pendulum lock pin seat, middle lock pin, lower bearing pin, lower pull rod, middle pin shaft, middle working panel hinge, 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, lower lock Pin, plastic boot；When it is time for repair, first control safety catch is implemented to brake to lifting device, and confirmation lifting device is reliable After braking, maintenance platform could be unfolded；The working condition of maintenance platform expansion includes the first working condition or second Kind working condition；It is described can position of the folding and unfolding maintenance platform in lifting device carriage, according to entire lifting device system In possibility need check or repair equipment and carriage positional relationship actual conditions determine, can be set in interposition It sets, also can be set in other suitable positions；
Can folding and unfolding maintenance platform to expand into the process of the first working condition include unlocking first, make latch-locking from upper dynamic lock It is exited in key seat, unlocks the interlocking of lock key seat Yu upper pendulum lock pin seat, make working panel and upper working panel hinge around upper Working panel hinge axis, varus, which reach the face that former top is under, original is below outside upper, former direction, to be become towards inner face Position, while lower lock pin entered in the lockhole of upper pendulum lock pin seat by the lockhole of lower lock key seat and in place, make lower lock pin Seat is interlocked with upper pendulum lock pin seat, is then locked；At this point, constructing maintenance work window, staff may stand in lifting device In carriage, the state of lifting device carriage external equipment is checked by window, the equipment found the problem is repaired；
Can folding and unfolding maintenance platform expand into second of working condition process include two kinds of situations, the first situation, Expanding into reinflated in the case where the first working condition is second of working condition, then, the first step, to lower lock key seat with it is upper The interlocking of pendulum lock pin seat unlocks, and exits lower lock pin from upper pendulum lock pin seat, unlocks the connection of lower lock key seat Yu upper pendulum lock pin seat Lock；The interlocking of second step, centering lock key seat and middle pendulum lock pin seat unlocks, and middle lock pin is made therefrom to exit in pendulum lock pin seat, unlock The interlocking of middle lock key seat and middle pendulum lock pin seat；Third 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 rod and relatively rotates, lower pull rod It pin shaft and is relatively rotated in pulling, middle pin shaft pulls upper connecting rod simultaneously to relatively rotate, and upper connecting rod is simultaneously around being fixed on upper connecting rod bore In upper pin rotation；When the center line angle of cut of upper connecting rod and lower pull rod forms 180 °, middle working panel turns to limit position It sets, the extreme position is designed as horizontal position；4th step is led to left side backplate by left side backplate guide rail, right side backplate It crosses right side backplate guide rail and is pushed to the position that vertical side plate behind touches reinforcing rib, then fasten, the form packet of fastening Include screw fastening or other fastening forms, the left side backplate, right side backplate subsequent vertical side plate be parallel to side Plate extends beyond the position of reinforcing rib 10mm to the left and right；5th step, make working panel and upper working panel hinge around Upper working panel hinge axis is turned up, until the vertical edges before upper working panel contact left side backplate, right side backplate Then plate fastens, the form of fastening includes screw fastening or other fastening forms, the left side backplate, right side backplate The vertical side plate of front is parallel to side panel extends beyond 60mm position on the inside of to the left and right；Plastic boot is pressed in maintenance platform After being unfolded according to second of working condition, before staff not yet goes up on the stage, it is sleeved on middle working panel and exposes in lifting device carriage Internal end, the scuffing that may cause with preventing middle working panel 3 from exposing in the end of lifting device cab interior, works as maintenance Before workbench is packed up, plastic boot is unloaded, so that middle working panel smoothly packs up reset, the plastic boot unloaded should be protected properly It deposits；
Second situation, starts to spread out when not yet expanding into the first working condition, directly expands into second from collapsed state Kind working condition, then, the first step first unlocks the interlocking of upper lock key seat and upper pendulum lock pin seat, makes latch-locking from upper dynamic lock It is exited in key seat, unlocks the interlocking of lock key seat Yu upper pendulum lock pin seat, then make working panel and upper working panel hinge Reaching the face that former top is under, original is below outside upper, former direction around upper working panel hinge axis, varus becomes towards inner The position in face；The interlocking of second step, centering lock key seat and middle pendulum lock pin seat unlocks, and moves back middle lock pin therefrom in pendulum lock pin seat Out, the interlocking of middle lock key seat Yu middle pendulum lock pin seat is unlocked；Third step makes working panel and upper working panel hinge, upper work Make panel pivot axis to follow middle working panel and middle working panel hinge around middle working panel hinge axis, turn up, lead to simultaneously It crosses 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 rod and turns relatively It is dynamic, lower pull rod pull in pin shaft and relatively rotate, middle pin shaft pulls upper connecting rod simultaneously to relatively rotate, and upper connecting rod is simultaneously on being fixed on Upper pin rotation in pull rod bore；When the center line angle of cut of upper connecting rod and lower pull rod forms 180 °, middle working panel rotation To extreme position, the extreme position is designed as horizontal position；Left side backplate is passed through left side backplate guide rail, the right side by the 4th step Side guard plate is pushed to the position that vertical side plate behind touches reinforcing rib by right side backplate guide rail, then fastens, fastening Form include screw fastening or other fastening forms, the left side backplate, the subsequent vertical side plate of right side backplate are flat Row extends beyond the position of reinforcing rib 10mm in lifting device side panel to the left and right；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 screw fastening or other fastening forms, the described left side shield Vertical side plate before plate, right side backplate is parallel to lifting device side panel extends beyond 60mm position on the inside of to the left and right It sets；Plastic boot before staff not yet goes up on the stage, is sleeved on middle work after maintenance platform is unfolded according to second of working condition Panel exposes in the end of lifting device cab interior, to prevent middle working panel from exposing in the end of lifting device cab interior Possible scuffing unloads plastic boot before maintenance platform is packed up, and so that middle working panel smoothly packs up reset, unloads Plastic boot should properly save；Maintenance platform should be packed up in time after the completion of maintenance work, the process packed up according to and expansion The opposite sequence of process carries out, until reaching working panel, the position that middle working panel is bonded completely with the side panel of carriage； Then make middle lock pin enter in pendulum lock pin seat and in place, make middle lock pin not only in the lockhole of middle lock key seat, but also in middle pendulum lock pin In the lockhole of seat, the interlocking of lock key seat and middle pendulum lock pin seat, is then locked in foundation；Then, latch-locking is made to enter upper dynamic lock Key seat and in place, makes latch-locking not only in the lockhole of upper lock key seat, but also in the lockhole of upper pendulum lock pin seat, lock pin in foundation The interlocking of seat and upper pendulum lock pin seat, then locks；To reinforce window intensity, reinforcing rib, the reinforcement are set in thereabout Muscle, which is extended to, connect load-bearing with carriage supporting frame；
The upper working panel and upper working panel hinge around upper working panel hinge axis, reach the mistake of some position Journey, including, upper working panel and upper working panel hinge directly around upper working panel hinge axis, reach some position, or Person first draws off upper working panel hinge axis, so that upper working panel and upper working panel hinge is reached some by proper method again Then position resets working panel hinge axis；Described draws off upper working panel hinge axis, including, from upper working face It is drawn off in plate hinge or draws off from upper working panel hinge seat or drawn off from the two；It can thus choose suitable When method make working panel and upper work in the case where not interfering with the other components of lifting device cab interior Reach desired position as panel pivot；The plate face shape of the right side backplate, left side backplate, including whole plate shape, Or railing shape or grille-like or railing add blocking net shape or grid to add blocking net shape；It is set in lifting Safety belt fixed ring is set on the upper beam of standby carriage 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 lifting device, after confirmation lifting device is reliably braked, It can be carried out and organize work.
3. the rack-and-pinion lifting device according to claim 1 for supporting enroute maintenance, characterized in that described can folding and unfolding Maintenance platform is chain provided with mechanical electric, including, 1, only upper working panel is resetted to be pasted with lifting device carriage side panel It closes in place, travel switch SQ1 could be closed；2, only latch-locking enters upper pendulum lock pin seat and in place, and travel switch SQ2 can just be closed It closes；3, only middle working panel is resetted with lifting device cage side panel attachment in place, and travel switch SQ3 could be closed；4, only Have lock pin enter in pendulum lock pin seat and in place, travel switch SQ4 could be closed；5, the upper pendulum lock pin seat of only upper working panel It is aligned in place with lower lock key seat, travel switch SQ5 could be closed；6, only play lock pin to enter by the lockhole of lower lock key seat In the lockhole of upper pendulum lock pin seat and in place, travel switch SQ6 could be closed；The travel switch is normally opened contact type；Row Cheng Kaiguan SQ1 and travel switch SQ2 normally opened contact series control relay KA1, travel switch SQ3 and travel switch SQ4 are normally opened Contact series control relay KA2, travel switch SQ5 and travel switch SQ6 normally opened contact series control relay KA3；Relay The normally opened main contacts control lifting device of normally opened contact series control the A.C. contactor KM1, KM1 of device KA1 and relay KA2 are total Power supply of the power supply to lifting device whole power-equipment, relay KA2 are exchanged with the normally opened contact series control of relay KA3 and are connect Power supply of the normally opened main contacts control lifting device general supply of tentaculum KM2, KM2 to lifting device low speed power device systems, KM1 Lifting device general supply is parallel to the input terminal of the normally opened main contacts of KM2.
4. the rack-and-pinion lifting device according to claim 1 for supporting enroute maintenance, characterized in that the level electricity Magnetic pushes individual secure brake apparatus, by horizontal direction configuration, installation site in lifting device car top or bottom or Other reasonable positions, composition includes load-supporting part, rail assembly, movable rack, the position-limit mechanism of movable rack, activity The operating mechanism of rack gear, the control device of the operating mechanism of movable rack, hand-operating unlocking mechanism；The load-supporting part includes straight Connect load-supporting part or middle transition load-supporting part；The rail assembly includes that track window aperture, guide plate, load-supporting part are simultaneous The horizontal rail that upper rail and lower rail are formed, the movable rack includes right movable rack and left movable rack, the right work Carry-over bar and left movable rack pass through track window aperture, the part of movable rack being associated with the drive rack of lifting device Tooth form is in and can engage with the drive rack of lifting device or isolated position, by being moved horizontally on rail assembly or Person, which is maintained on the position of certain determinations, to be realized and the engagement of drive rack or separates, the position of the determination, including with The application position or be kept completely separate with lifting device drive rack and have a bit of gap that lifting device drive rack engages Free position, described has a bit of gap, refer to drive rack and movable rack tooth top interplanar corresponding thereto have 2~ The gap 5mm；Movable rack and the fit dimension of horizontal rail are dynamic cooperation, and contact surface is smooth low coefficient of friction surfaces, with Be conducive to the movement of movable rack, at the top of right movable rack and left movable rack after entering on-position with load-supporting part and on Rail directly contacts load-bearing；At least one direction of the inner face either above or below for the part of movable rack being associated with guide rail It is provided with guide groove, the mating part of guide groove and guide plate is dynamic cooperation, to prevent movable rack to the outside of carriage or interior Side play；At the top of movable rack in directly contacting or passing through with the load-supporting part of lifting device carriage into after on-position Between transition load-supporting part contact load-bearing；The operating mechanism manipulation activities rack gear of movable rack moves horizontally or stops on orbit hole It stays and is maintained on the position of certain determinations, the operating mechanism of the movable rack is arranged in the horizontal plane side of lifting device carriage To support structure on, the rack-and-pinion lifting device horizontal safety catch, installation site includes carriage Top or bottom or other reasonable positions；The control device of the operating mechanism of the movable rack includes that electromagnetism pushes away Dynamic device, the electromagnetic driver are the long-stroke push-and-pull electromagnet pushed for a kind of selected working method, are a kind of novel Electromagnetic Control actuator part is powered on control conversion, high-power start, the working method that small-power maintains, than producing using power supply The old-fashioned electromagnet volume of raw onesize active force is smaller, self weight is lighter, more power saving；The electromagnetic driver includes pushing away Bar, electromagnetic driver main body, the electromagnetic driver main body include the electromagnetic system of electromagnetic driver, control system, described The control system of electromagnetic driver powered and controlled by lifting device electric control system.
5. the rack-and-pinion lifting device according to claim 1 for supporting enroute maintenance, characterized in that the movable teeth The operating mechanism of item includes that lever left, left fixed shaft, right fixed shaft, movable axis, pulling block, bracket, spring, adjusts spiral shell at right lever Female group, pull rod, jacking block, protection block；The control device of the operating mechanism of the movable rack includes push rod, electromagnetic driver Main body, the electromagnetic driver main body include the electromagnetic system of electromagnetic driver, control system, the electromagnetic driver Control system is powered and is controlled by lifting device electric control system；The electromagnetic propulsion of the lifting device electric control system It further include the contactor only controlled by general supply or the combination of relay adjunction tentaculum and energy storage dress in the control unit of device It sets, the normally-closed contact of the contactor only controlled by general supply or the combination of relay adjunction tentaculum is connected across electromagnetic propulsion Between device and energy storage device, when lifting device obtains electric, normally-closed contact is disconnected, the connection between electromagnetic driver and energy storage device It disconnects, energy storage device energy storage；When lifting device power loss, other electricity-loss braking devices include the included power loss band brake apparatus of motor Play a role braking immediately, but electromagnetic driver not power loss immediately, the contactor only controlled by general supply or The normally-closed contact power loss closure of relay adjunction tentaculum combination, connect electromagnetic driver with energy storage device, energy storage device is to electricity The delay time constant design tuning of magnetic pusher be other all electricity-loss braking devices complete braking time that braking needs with The difference of the movement total delay time of the operating mechanism of electromagnetic driver and movable rack；When lifting device general supply is disconnected without electricity When, lifting device remains static；The actual motion direction of the operating mechanism of the movable rack is direction along the horizontal plane, It is clear to describe, it defines, before drive rack direction is, after electromagnetic driver main direction is, is moved to drive rack direction herein It moves to move forward, mobile to electromagnetic driver main direction is to move back；The operating mechanism course of work of movable rack is, when electromagnetism pushes away When dynamic device main body power loss, push rod is moved back with protection block, jacking block is moved back simultaneously by the elastic force effect of spring immediately following protection block and push rod And pull rod, pulling block is driven to move back together, the movable axis being fixed on pulling block follows pulling block to move back, drives under lever left, right lever Arm is rotated around left fixed shaft, right fixed shaft toward outside, the left movable rack of upper arm drive, the right movable rack of lever left, right lever Mobile toward lifting device drive rack center position, until the application position at a fully engaged with drive rack, jacking block stopping is moved back, But push rod continues to move back a small distance with protection block, reaches and keeps discontiguous state with jacking block, to guarantee left activity Rack gear, right movable rack and drive rack positive engagement, described a small distance refer to 2~5mm distance；Work as electromagnetic propulsion When device main body obtains electric, pushrod advances are controlled, push rod also moves forward and drives with protection block Forward, protected piece of jacking block of press Pull rod, pulling block move forward together while compressed spring, and the movable axis being fixed on pulling block follows pulling block Forward, drives lever left, the right side Lever lower arm is rotated around left fixed shaft, right fixed shaft toward inside, lever left, the left movable rack of upper arm drive of right lever, right work Carry-over bar is mobile toward the direction for leaving lifting device drive rack center, until being kept completely separate and having with lifting device drive rack The free position in a bit of gap, a bit of gap, refers to the gap 2~5mm；Adjusting nut group is for adjustment spring Pressure, bracket support the front position of the front end face of fixed spring；Fall suddenly if there is abnormal conditions, including lifting device Electricity or because lifting device overspeed protective device action power dump or because lifting device reach the limit of guarded by location Device action is cut off the power, and for lifting device general supply immediately without electricity, other electricity-loss braking devices include that motor is included at this time Power loss band brake apparatus plays a role braking immediately, after the completion of energy storage device delay, electromagnetic driver main body power loss, push rod with Protection block moves back, jacking block moves back, left movable rack, right movable rack and drive rack positive engagement, ensure that lifting device Safety.
6. the rack-and-pinion lifting device according to claim 1 for supporting enroute maintenance, characterized in that the manual solution Latch mechanism, including, clasp nut control crank, clasp nut combination, drive screw, worm screw control crank, worm and gear slow down Device, wherein clasp nut combination with pulling block be fixedly connected, drive screw and the worm gear of worm type of reduction gearing is are fixedly connected with, Usually, clasp nut control crank is placed in and opens a sluice gate position, clasp nut combination is in and opens a sluice gate state, its box thread and drive screw Male thread have no effect without engagement, the movement combined to clasp nut of drive screw, so that hand-operating unlocking mechanism is to gear The movement of gear rack elevating equipment level electromagnetic propulsion safety catch has no effect, when lifting device because suddenly have a power failure or The other reason emergency brakings of person rest in when cannot be with the position of any one stop leveling, clasp nut can be manipulated hand at this time Handle be placed in closing position, make clasp nut combination in "on" position, its box thread is normally engaged with the male thread of drive screw, Manual operation worm screw control crank rotates worm type of reduction gearing and drives drive screw rotation, drive screw transmission folding Nut combination moves forward, clasp nut combination drives pulling block to move forward, before the movable axis being fixed on pulling block follows pulling block It moves, lever left, right lever postbrachium is driven to rotate around left fixed shaft, right fixed shaft toward inside, the forearm drive of lever left, right lever Left movable rack, right movable rack are mobile toward the direction for leaving lifting device drive rack center, until driving with lifting device Rack gear is kept completely separate and has the free position in a bit of gap；Then Manual jigger mechanism is used, the nearest leveling of lifting device is made； The hand-operating unlocking mechanism is necessarily placed at the position that securely and reliably cannot arbitrarily open, and has formulated rules and regulations and stringent Implement, it is ensured that only have qualification, authorized personnel could open and use.
7. the rack-and-pinion lifting device according to claim 1 for supporting enroute maintenance, characterized in that the electromagnetism pushes away The control system of dynamic device is powered and is controlled by lifting device electric control system, wraps in the rate-determining steps of electric control system It includes, when lifting device prepares to start, the electric control system control lifting device drive system driving lifting of lifting device is set It is standby to move up a distance element, so that the lower plane of load-supporting part and the upper plane of right movable rack and left movable rack is had one Microgap, the numerical value of the microgap be left movable rack, right movable rack and lifting device drive rack sideshake 0.2~ 0.6 times；Then control electromagnetic driver main body obtains electric, and left movable rack, right movable rack is driven to drive toward lifting device is left The direction at rack gear center is mobile, until the free position in a bit of gap is kept completely separate and had with lifting device drive rack, is Lifting device starting is ready.
8. the rack-and-pinion lifting device according to claim 1 for supporting enroute maintenance, characterized in that configured with the present invention The installation method of rack-and-pinion lifting device of support enroute maintenance include carrying out and installing related civil construction early period When, it is necessary to precise measurement is carried out by the difference in height to stop and stop, is constructed to each stop sill and is accurately controlled accordingly The difference in height of plane is the integral multiple of drive rack tooth pitch on sill between preparative layer station and stop, in lifting device installation, just Really adjust working in coordination for lifting device and drive rack so that lifting device carriage just stopped from first layer leveling accuracy and Median.
9. a kind of elevator, characterized in that install and use in claim 1- claim 8 in support described in any claim What the rack-and-pinion lifting device of way maintenance configured can maintenance platform and individual secure brake apparatus.
CN201611221135.6A 2016-12-27 2016-12-27 Support the rack-and-pinion lifting device of enroute maintenance Active CN106744193B (en)

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CN107826945B (en) * 2017-10-06 2019-07-30 廖忠民 A kind of self-propelled lifting device with lateral motion capability
CN108974733B (en) * 2018-08-03 2021-03-05 安徽省欣雨环卫机械有限公司 Sanitation garbage truck with improve loading space
CN112645185A (en) * 2021-01-05 2021-04-13 肖红琳 Three-dimensional transport equipment that cruises
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CN2597439Y (en) * 2003-02-20 2004-01-07 黄源东 Emergent unlocking device for articles
CN2727125Y (en) * 2004-05-28 2005-09-21 区可赞 Gear-driven lifter
CN203922365U (en) * 2014-06-20 2014-11-05 广州市特威工程机械有限公司 A kind of maintenance joint frame of building hoist
CN104192681B (en) * 2014-08-28 2016-08-24 南宁泰进铝合金加工有限公司 A kind of building hoist integration actuating device
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