CN106744192A - A kind of safety catch of pinion and-rack jacking equipment - Google Patents

Abstract

A kind of safety catch of pinion and-rack jacking equipment, movable rack can be moved horizontally or be maintained in some defined locations on rail assembly, movable rack top contacts load-bearing after on-position is entered with the main load-carrying members directly contact of jacking equipment car or by middle transition load-supporting part, and the operating mechanism manipulation activities tooth bar of movable rack is moved horizontally or stopped on orbit hole and is maintained in some defined locations；Described defined location, including drive the application position that engage of tooth bar or completely disengaged with jacking equipment driving tooth bar and have the free position of an intersegmental gap with jacking equipment；Safeguard protection braking is carried out using tooth bar engagement system, is played and is significantly improved the beneficial effect that quality is braked in safeguard protection.

Description

A kind of safety catch of pinion and-rack jacking equipment

Technical field

The present invention relates to jacking equipment safety catch field, more particularly to a kind of pinion and-rack jacking equipment Safety catch.

Background technology

The safety arrestment measure of existing pinion and-rack jacking equipment, or by motor shaft brake or be Realized by the method for the braking to gear shaft, these methods belong to friction catch mode, existed probably due to friction material The potential safety hazard that abrasion or oil pollution etc. cause；If other drive gear occurs problem, foregoing method is just incompetent It is power；And drive gear occurs what problem was possible to, therefore, to ensure safety, pinion and-rack jacking equipment must match somebody with somebody Put the reliable safety catch for coping with and problem and similar safety problem occurring including drive gear.

The content of the invention

The purpose of the present invention, is to provide a kind of reliable coping with and problem and similar safety occurs including drive gear The safety catch of problem.

A kind of safety catch of pinion and-rack jacking equipment (hereinafter referred to as safety catch), including, track Component, movable rack, the operating mechanism of movable rack, the control device of operating mechanism, load-supporting part；Described load-supporting part bag Include direct load-supporting part or middle transition load-supporting part；Described rail assembly (referring to Fig. 1) includes upper rail 15 (in Fig. 1 And load-supporting part), the horizontal rail that is formed of lower rail 18, guide plate 27, and for track window aperture 11 that movable rack passes through；Activity Tooth bar (right movable rack 16 and left movable rack 12) through track window aperture 11, movable rack with drive what tooth bar was associated Partial tooth form is in the position that can be engaged or be separate with the driving tooth bar 17 of jacking equipment, by the water on rail assembly Translation is dynamic or is maintained in some defined locations and realizes and the engagement of driving tooth bar or separate, the position of described determination Put, including drive the application position that engage of tooth bar with jacking equipment or be kept completely separate and have with jacking equipment driving tooth bar The free position in a bit of gap, described has a bit of gap, refers to drive both tooth bar and movable rack corresponding thereto Tooth top interplanar has the gap of 2~5mm；The inner face either above or below of the part being associated with guide rail of movable rack is at least There is a direction to be provided with guiding breach, (referring to Fig. 3), with movable rack cover plate (left cover 13, right cover plate do not have draw) one Part is collectively forming gathering sill 26, and gathering sill 26 is dynamic cooperation with the mating part of guide plate 27, to prevent movable rack to sedan-chair The outside in railway carriage or compartment 28 or inner side play；Load-supporting part of the movable rack top after on-position is entered with jacking equipment car (being load-supporting part and upper rail 15 in Fig. 1) directly contact contacts load-bearing by middle transition load-supporting part；Movable rack Operating mechanism manipulation activities tooth bar is moved horizontally or stopped on rail assembly and is maintained in some defined locations, described The control device of the operating mechanism of movable rack includes, mechanical device or electric device or hydraulic means or pneumatic Device or electric-liquid combined unit or electric-gas combined unit；The safety arrestment dress of described pinion and-rack jacking equipment Put, including the safety catch component for directly being set on jacking equipment car, or the individual secure braking being separately provided Device assembly, it is then fitted on jacking equipment；Described electric-liquid combined unit or electric-gas combined unit include magnetic valve 30 (referring to Fig. 4), the electric, dead electricity that obtains of the described coil of magnetic valve 30 is controlled by jacking equipment electric control system.

Fig. 1 is a kind of structural representation of the safety catch for directly being set on jacking equipment car, it is illustrated that direction For pinion and-rack jacking equipment safety catch drives certain of tooth bar 17 installed in jacking equipment car near jacking equipment On the inside car side of one side, from cab interior toward car side in terms of finding, so for jacking equipment drive tooth bar 17 Its sub-fraction for passing through the display of track window aperture 11 is can only see, right movable rack 16 has dismantled right cover plate, that can see clearly Its internal structure, covers the right movable rack after right cover plate and combines similar with the combination of left movable rack 12 plus left cover 13, and two Person is the vertical median plane perpendicular to tooth bar projection plane represented with the center chain-dotted line 14 in the middle of tooth bar as symmetrical plane Mirror symmetric figure, support 7 is half section, and piston 2, cylinder body 1 are combined as full section；Fig. 1 is shown movable rack with lifting The application position of device drives tooth bar engagement, Fig. 2 is signal of the safety catch described in Fig. 1 in free position state Figure；A kind of described safety catch for directly being set on jacking equipment car, including rail assembly, movable rack, work The operating mechanism of carry-over bar, the control device of operating mechanism, load-supporting part, described rail assembly include track window aperture 11, The horizontal rail that guide plate 27, load-supporting part and upper rail 15 and lower rail 18 are formed, described movable rack includes right movable rack 16 and left movable rack 12, described right movable rack 16 and left movable rack 12 pass through track window aperture 11, movable rack The tooth form of the part being associated with the driving tooth bar 17 of jacking equipment be in can be engaged with the driving tooth bar 17 of jacking equipment or Person separate position, (for save material and mitigate conduct oneself with dignity, tooth form along it is inside the close jacking equipment car in facewidth direction, that Part can not omit with the part that contacts of tooth bar is driven), it is true by moving horizontally on rail assembly or being maintained at some Realized on fixed position and the engagement of driving tooth bar 17 or separated, described defined location, including driven with jacking equipment Application position or drive tooth bar to be kept completely separate and have the free position in a bit of gap with jacking equipment that tooth bar is engaged, Described has a bit of gap, refers to that driving tooth bar and movable rack tooth top interplanar corresponding thereto have 2~5mm gaps；It is living Carry-over bar is dynamic cooperation with the fit dimension of horizontal rail, and contact surface is smooth low coefficient of friction surfaces, to be conducive to activity The movement of tooth bar；Fig. 3 is the A-A partial sectional views of Fig. 1, the inner face top of the part that movable rack is associated with load-supporting part Guiding breach is provided with, the part with movable rack cover plate (left cover 13, right cover plate do not have draw) is collectively forming gathering sill 26, Gathering sill 26 and guide plate 27 with dynamic cooperation is combined into, to prevent outside or inner side play of the movable rack to car 28；It is right Movable rack 16 and the top of left movable rack 12 after on-position is entered with load-supporting part and the directly contact load-bearing of upper rail 15；Institute The operating mechanism of the movable rack stated includes, lever left 9, right lever 19, left fixed shaft 10, right fixed shaft 20, movable axis 21, draws Block 8, support 7, spring 6, adjusting nut group 5, pull bar 4, jacking block 3, piston 2, cylinder body 1；Described piston 2, cylinder body 1 include hydraulic pressure Formula or vapour-pressure type；The operating mechanism course of work of movable rack is, when the lower interface 23 of cylinder body 1 is exhaust outlet (or oil return Mouthful), upper interface 22 be air inlet (or oil inlet) when, piston 2 is descending, jacking block 3 by spring 6 elastic force act on follow piston 2 Descending and drive pull bar 4, pulling block 8 descending together, the movable axis 21 being fixed on pulling block 8 follows that pulling block 8 is descending, drive left thick stick Bar 9, the underarm of right lever 19 are rotated around left fixed shaft 10, right fixed shaft 20 toward outside, and lever left 9, the upper arm of right lever 19 drive Left movable rack 12, right movable rack 16 drive the movement of the center position of tooth bar 17 toward jacking equipment, until being driven with jacking equipment The at a fully engaged application position of tooth bar 17, jacking block 3 stop it is descending, but piston 2 continues traveling downwardly a small distance, keeps and jacking block 3 in not contact condition, to ensure that left movable rack 12, right movable rack 16 drive the positive engagement of tooth bar 17 with jacking equipment； When cylinder body 1 lower interface 23 for air inlet (or oil inlet), upper interface 22 be exhaust outlet (or oil return opening) when, on piston 2 Row, jacking block 3 are also up by the top pressure of piston 2 and drive pull bar 4, pulling block 8 up together while compression spring 6, is fixed on drawing Movable axis 21 on block 8 follows up pulling block 8, drive lever left 9, the underarm of right lever 19 around left fixed shaft 10, right fixed shaft 20 Rotated toward inner side, lever left 9, the upper arm of right lever 19 drive left movable rack 12, right movable rack 16 toward leaving jacking equipment The direction movement at the center of tooth bar 17 is driven, until driving tooth bar 17 to be kept completely separate and have the freedom in a bit of gap with jacking equipment Position；Adjusting nut group 5 is used to adjust the pressure of spring 6, and support 7 fixes the extreme higher position of the upper surface of spring 6.

Electric-liquid combined unit or electric-gas joint dress that the control device of the operating mechanism of described movable rack includes Put, including, the lower interface 23 or upper interface 22 of described cylinder body 1 are chosen to be air inlet (or oil inlet) or are exhaust The state of mouth (or oil return opening), is controlled by magnetic valve 30, and described magnetic valve 30 is two-position-five-way solenoid valve, and Fig. 4 is State of a control schematic diagram during 30 dead electricity of magnetic valve, valve element is reset to initial position, magnetic valve P by action of reset spring during dead electricity Mouthful with B mouthfuls lead to, P mouthfuls connect the air inlet pipeline (or in-line) of compressed air gas source (or pressure oil oil sources), B mouthfuls connect cylinder body 1 upper interface 22, R mouthfuls logical with A mouthfuls, R mouthfuls of air pipe that runs in (or return line), the A mouthfuls of lower interface 23 for connecing cylinder body 1, now, The upper interface 22 of selected cylinder body 1 is air inlet (or oil inlet), and the lower interface 23 of cylinder body 1 is exhaust outlet (or oil return opening), Piston 2 is descending, and left movable rack 12, right movable rack 16 drive the positive engagement of tooth bar 17 to implement braking with jacking equipment；Fig. 5 is State of a control schematic diagram when magnetic valve 30 obtains electric, valve element is reached operating position, magnetic valve P mouthfuls by electromagnetic force movement when obtaining electric It is logical with A mouthfuls, P mouthfuls connect the air inlet pipeline (or pressure oil oil sources in-line) of compressed air gas source, A mouthfuls connect and connect under cylinder body 1 Mouthful 23, S mouthful lead to B mouthfuls, S mouthfuls of air pipe that runs in (or return line), the B mouthfuls of upper interface 22 for connecing cylinder body 1, now, select cylinder The lower interface 23 of body 1 is air inlet (or oil inlet), and the upper interface 22 of cylinder body 1 is exhaust outlet (or oil return opening), on piston 2 OK, until left movable rack 12, right movable rack 16 drive tooth bar 17 to be kept completely separate and have a bit of gap with jacking equipment Free position, described a bit of gap refers to 2~5mm gaps.

The electric, dead electricity that obtains of the described coil of magnetic valve 30 is controlled by jacking equipment electric control system, and described is electric Also include a relay or contactor and storage only by general supply control in the control unit of the magnetic valve 30 of control system Energy device, the described relay for only being controlled by general supply or the normally-closed contact of contactor are connected across the coil of magnetic valve 30 and storage Between energy device, when jacking equipment obtains electric, normally-closed contact is disconnected, and the connection between the coil of magnetic valve 30 and energy storage device is also broken Open, energy storage device energy storage；During jacking equipment dead electricity, other electricity-loss braking devices stand including the dead electricity band brake apparatus that motor is carried Play a role braking, but the coil of magnetic valve 30 not dead electricity immediately, it is described only by general supply control relay or Contactor normally-closed contact dead electricity is closed, and the coil of magnetic valve 30 is connected with energy storage device, and energy storage device is to the coil of magnetic valve 30 When time delay (discharge time) constant design tuning is that other all electricity-loss braking devices individually complete the braking that braking needs Between the difference of time delay is acted with electric-liquid combined unit or electric-gas combined unit；For example, other of certain jacking equipment The braking time that all electricity-loss braking devices individually complete braking and need is 3.5S, and electric-liquid combined unit or electric-gas are combined Device action time delay is 0.5S, then energy storage device is (3.5S- to the time delay constant design tuning of the coil of magnetic valve 30 0.5S=) 3S, after the completion of energy storage device time delay, the coil losing electricity of magnetic valve 30；When jacking equipment general supply is disconnected without electricity (including After original state or dead electricity energy storage device energy release after state), jacking equipment remain static, the coil of magnetic valve 30 Without electricity, magnetic valve 30 by action of reset spring be in original state, piston 2 it is descending, until left movable rack 12, right movable rack 16 application positions that the positive engagement of tooth bar 17 is driven with jacking equipment, jacking equipment safety device is implemented to brake to jacking equipment； When the electric control system of the connection of jacking equipment general supply, jacking equipment needs to control obtaining for the coil of magnetic valve 30 electric according to operation Or dead electricity, when jacking equipment prepares to start, the drive system of the electric control system control jacking equipment of jacking equipment is driven Dynamic jacking equipment moves up a distance element, makes the lower plane of load-supporting part 15 and right movable rack 16 and left movable rack 12 Upper plane have a microgap, the numerical value of described microgap is left movable rack 12, right movable rack 16 and jacking equipment Drive 0.2~0.6 times of the sideshake of tooth bar 17；Then the electromagnet of the electric control system control magnetic valve 30 of jacking equipment is obtained Electricity, to operating position, piston 2 is up, until left movable rack 12, right movable rack 16 set with lifting for iron core action band movable valve plug It is standby to drive tooth bar 17 to be kept completely separate and have the free position in a bit of gap, it is that jacking equipment startup is ready；Jacking equipment When needing to stop after startup, the electric control system of jacking equipment first disconnects jacking equipment motor power, motor deceleration, when During close to stop position, such as when close to level position, the electric control system of jacking equipment controls the line of magnetic valve 30 on schedule Circle dead electricity, is reset to initial position, and control piston 2 is descending, until left movable rack 12, right movable rack 16 drive with jacking equipment The application position of the positive engagement of carry-over bar 17；If there is abnormal conditions, such as unexpected power down of jacking equipment or because of lifting Equipment overspeed protective device action power dump or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply Etc., the dead electricity band brake apparatus that now jacking equipment general supply is carried without electricity, other electricity-loss braking devices including motor immediately Play a role braking immediately, the coil losing electricity of magnetic valve 30 after the completion of energy storage device time delay, and magnetic valve 30 is reset to original state, control Piston processed 2 is descending, left movable rack 12, right movable rack 16 drive the positive engagement of tooth bar 17 with jacking equipment, it is ensured that lifting The safety of equipment；In the case of brake hard, left movable rack 12, right movable rack 16 at the beginning may be with jacking equipment sliding tooths Bar 17 does not have at a fully engaged, and the peak and peak of tooth bar may occur when worst situation is braking as shown in Figure 6 The situation of contact, now temporarily becomes friction catch under elastic force effect, if the now system of jacking equipment whole brake apparatus Kinetic moment is added up and is enough to realize braking, and braking task is completed；If now jacking equipment whole brake apparatus braking moment Add up and be all not enough to prevention jacking equipment downslide, (because there is braking moment to act on, just starting the meeting of downslide slower), When the position of stagger peak and peak is slipped down to, left movable rack 12, right movable rack 16 will be under elastic force promotions Clamp-on in the teeth groove of jacking equipment driving tooth bar 17 (referring to Fig. 7), then as continuing to glide, continue to clamp-on, until left activity Tooth bar 12, right movable rack 16 drive the positive engagement of tooth bar 17 with jacking equipment；One is provided between magnetic valve 30 and source of the gas Individual hand-operated direction valve, for after power failure must when (such as after brake hard not in level position, it is necessary to start hand gear delay Slowly be moved to level position), manually control conversion the input of magnetic valve 30 P mouthfuls (air inlet), R mouthfuls (exhaust outlet), S mouthfuls (exhaust outlet) and the connection of air inlet pipeline or gas exhaust piping or in-line or return line, controls the motion of piston 2, So as to control the braking or release of safety device；Certainly described hand-operated direction valve be necessarily placed at it is safe and reliable can not be random The position of unlatching, has formulated rules and regulations and has strictly implemented, it is ensured that only possess qualification, and authorized personnel can just open Open and use.

Fig. 8 is that another concrete structure of the described direct safety catch set on jacking equipment car is illustrated Figure, its rail assembly with a kind of concrete structure shown in Fig. 1, movable rack, load-supporting part are identical；It is characterized in that, its manipulation The control device of mechanism is to control the operating mechanism of movable rack to promote and keep movable rack by aerodynamic force or hydraulic coupling Tooth bar positive engagement is driven with jacking equipment, is controlled the operating mechanism of movable rack to promote and is kept activity by the elastic force of spring Tooth bar drives tooth bar to be kept completely separate and have a bit of gap with jacking equipment；Another described is directly on jacking equipment car The safety catch of setting, including the control of the operating mechanism, operating mechanism of rail assembly, movable rack, movable rack is filled Put, load-supporting part, the control device of its operating mechanism includes supporting magnetic valve 51, the described coil of supporting magnetic valve 51 Electricity, dead electricity are controlled by jacking equipment electric control system, the control list of the supporting magnetic valve 51 of described electric control system Also include one in unit only by the relay or contactor and energy storage device of general supply control, described is only controlled by general supply Relay or the normally-closed contact of contactor be connected across between the coil of supporting magnetic valve 51 and energy storage device, jacking equipment obtains electric When, normally-closed contact disconnects, and the connection between the coil of supporting magnetic valve 51 and energy storage device also disconnects, energy storage device energy storage；Lifting During equipment dead electricity, other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, but The coil of supporting magnetic valve 51 not dead electricity immediately, described relay or contactor normally-closed contact only by general supply control loses Electricity closure, makes the coil of supporting magnetic valve 51 be connected with energy storage device, time delay of the energy storage device to the coil of supporting magnetic valve 51 (discharge time) constant design tuning is that other all electricity-loss braking devices individually complete braking time and electric-liquid that braking needs Combined unit or electric-gas combined unit act the difference of time delay；For example, other all dead electricity of certain jacking equipment The braking time that brake apparatus individually completes braking and needs is 3.5S, and electric-liquid combined unit or electric-gas combined unit are acted Time delay is 0.5S, then energy storage device is (3.5S-0.5S to the time delay constant design tuning of the coil of supporting magnetic valve 51 =) 3S, after the completion of energy storage device time delay, the coil losing electricity of supporting magnetic valve 51；When jacking equipment general supply is disconnected without electricity (including After original state or dead electricity energy storage device energy release after state), jacking equipment remain static, described supporting electricity The dead electricity of magnet valve 51 is reset to original state；The pipeline connection of described supporting magnetic valve 51 and working condition conversion process are to lose Valve element is reset to initial position by action of reset spring when electric, (supporting magnetic valve 51 and the coupling part of cylinder body 1 referring to Figure 11 Schematic diagram), magnetic valve P mouthfuls logical with A mouthfuls, P mouthfuls of air inlet pipeline (or pressure oil oil sources in-line) for connecing compressed air gas source, The A mouthfuls of lower interface 23 for connecing cylinder body 1, S mouthfuls logical with B mouthfuls, S mouthfuls of air pipe that runs in (or return line), B mouthfuls connect cylinder body 1 on connect Mouthfuls 22, now, the lower interface 23 of selected cylinder body 1 be air inlet (or oil inlet), the upper interface 22 of cylinder body 1 for exhaust outlet (or Person's oil return opening), piston 2 is up, until left movable rack 12, right movable rack 16 drive the positive engagement of tooth bar 17 with jacking equipment Application position；It is electric when valve element reached operating position by electromagnet effect is mobile, magnetic valve P mouthful it is logical with B mouthful, P mouthfuls connect and compress sky The air inlet pipeline (or in-line) of gas source of the gas (or pressure oil oil sources), the B mouthfuls of upper interface 22 for connecing cylinder body 1, R mouthfuls with A mouthfuls Logical, R mouthful air pipe that runs in (or return line), the A mouthfuls of lower interface 23 for connecing cylinder body 1, now, select the upper interface 22 of cylinder body 1 It is air inlet (or oil inlet) that the lower interface 23 of cylinder body 1 is exhaust outlet (or oil return opening), and piston 2 is descending, until left activity Tooth bar 12, right movable rack 16 drive tooth bar 17 to be kept completely separate and have the free position in a bit of gap with jacking equipment；So as to Realize that dead electricity is braked, obtain the function of electric release；The described direct safety catch set on jacking equipment car is again A kind of operating mechanism of the movable rack of concrete structure, including, cylinder body 1, piston 2, jacking block 3, pull bar 4, adjusting nut group 5, bullet Spring 6, support 7, pulling block 8, movable axis 21, the hinge component of left single-arm lever 31, left movable mandrel 32 and left double-arm lever 34 are right The hinge component of single-arm lever 37, right movable mandrel 36 and right double-arm lever 35, fixing axle 33；The operating mechanism work of movable rack It is during supporting 51 dead electricity of magnetic valve, to be reset to initial position as process, the lower interface 23 of selected cylinder body 1 (or enters for air inlet Hydraulic fluid port), upper interface 22 be exhaust outlet (or oil return opening), piston 2 is up, jacking block 3 is also up and drive by the top pressure of piston 2 Pull bar 4, pulling block 8 are up together while compression spring 6, and the movable axis 21 being fixed on pulling block 8 follows that pulling block 8 is up, promotes and enclose The open end of the left single-arm lever 31 being wound on movable axis 21 and the open end of right single-arm lever 37 are up, drive left single-arm lever 31st, the hinge component of left movable mandrel 32 and left double-arm lever 34, and right single-arm lever 37, right movable mandrel 36 and right both arms thick stick The hinge component of bar 35, is rotated around fixing axle 33, and left double-arm lever 34, the lower end of right double-arm lever 35 are opened toward the left and right sides, Upper end drives left movable rack 12, right movable rack 16 to drive the movement of the center position of tooth bar 17 toward jacking equipment, until with lifting The at a fully engaged application position of device drives tooth bar 17, brakes to jacking equipment；When supporting magnetic valve 51 obtains electric, cylinder body 1 is selected Lower interface 23 for exhaust outlet, upper interface 22 be air inlet, piston 2 is descending, jacking block 3 by spring 6 elastic force act on follow piston 2 It is descending and drive pull bar 4, pulling block 8 descending together, the movable axis 21 being fixed on pulling block 8 follow pulling block 8 it is descending, while pulling The open end of the left single-arm lever 31 being centered around on movable axis 21 and the open end of right single-arm lever 37 are descending, while pulling left double , from the left and right sides toward middle movement, upper end drives left movable rack 12, right movable teeth for arm bar 34, the lower end of right double-arm lever 35 Bar 16 drives the direction movement at the center of tooth bar 17 toward jacking equipment is left, until driving tooth bar 17 to be kept completely separate simultaneously with jacking equipment There is the free position in a bit of gap；Adjusting nut group 5 is used to adjust the pressure of spring 6, and support 7 fixes the upper surface of spring 6 Extreme higher position；The course of work and [0007] section institute of the described supporting magnetic valve 51 in dead electricity braking or brake hard The course of work of the magnetic valve 30 stated in dead electricity braking or brake hard is identical；Its supporting magnetic valve 51 and source of the gas it Between be provided with a hand-operated direction valve, for when required after power failure, manually P mouthfuls, R of control conversion magnetic valve input Mouthful, S mouthful with the connection of air inlet pipeline or gas exhaust piping or in-line or return line, the motion of control piston, from And controlling the braking or release of safety device, described hand-operated direction valve is necessarily placed at and safe and reliable can not arbitrarily open Position, has formulated rules and regulations and has strictly implemented, it is ensured that only possess qualification, and authorized personnel could open and make With；Fig. 9 is schematic diagram of the safety catch described in Fig. 8 in free position state.

Figure 10 is a kind of individual secure brake assemblies of described pinion and-rack jacking equipment safety catch Schematic diagram, picture is the view for having shed base plate in figure, the planar peripheral size of base plate such as panel 49, with panel 49 The difference is that it is above without track window aperture 50, certain base plate must also have enough weight capacities；Described one kind is independent Safety catch component, including the separate space surrounded by supporting frame 48, mounting base, panel 49, described Separate space in rail assembly, movable rack, the operating mechanism of movable rack, the control device of operating mechanism, middle mistake Cross the component of load-supporting part；Described rail assembly includes horizontal rail, the track window aperture 50 that upper rail 46 and lower rail 47 are formed, Described movable rack includes left movable rack 12, right movable rack 16, and the operating mechanism of described movable rack includes, left thick stick Bar 9, right lever 19, left fixed shaft 10, right fixed shaft 20, movable axis 21, pulling block 8, support 7, spring 6, adjusting nut group 5, drawing Bar 4, jacking block 3, piston 2, cylinder body 1, the control device of described operating mechanism includes, magnetic valve 30 and its connecting line, electromagnetism Valve control circuit interface and intake line interface；Described middle transition load-supporting part be load-bearing frame, be bolted or Other connected modes are connected with the load-carrying members of jacking equipment car；Solenoid valve control circuit interface and intake line interface and liter Electric control circuit interface and the pipe interface connection of drop equipment；Remaining of electric-liquid combined unit or electric-gas combined unit Part is inside jacking equipment；Its course of work is directly rising with the one kind described in [0005] section, [0006] section, [0007] section section The safety catch set on drop equipment car is identical；A hand-operated direction valve is provided between magnetic valve 30 and source of the gas, For after power failure must when (such as not in level position, it is necessary to starting hand gear is slowly moved to flat bed after brake hard Position), manually control converts P mouthfuls (air inlet), R mouthfuls (exhaust outlet), S mouthfuls (exhaust outlet) of the input of magnetic valve 30 and enters The connection of air pipe or gas exhaust piping or in-line or return line, controls the motion of piston 2, so that certainly described Hand-operated direction valve be necessarily placed at the safe and reliable position that can not arbitrarily open, formulated rules and regulations and strictly implemented, Ensure only possess qualification, authorized personnel could open and use.

Figure 11 is another individual secure brake apparatus group of described pinion and-rack jacking equipment safety catch The schematic diagram of part, picture is the view for having shed base plate in figure, the planar peripheral size of base plate such as panel 55, with panel 55 the difference is that without track window aperture 50 above it, certain base plate must also have enough weight capacities；Another described Individual secure brake assemblies, including the separate space surrounded by supporting frame 54, mounting base, panel 55, Rail assembly, movable rack, the operating mechanism of movable rack in described separate space, the group of middle transition load-supporting part Part；Described rail assembly includes horizontal rail, the track window aperture 50 that load-supporting part and upper rail 46 and lower rail 47 are formed, described Movable rack include left movable rack 12, right movable rack 16, the operating mechanism of described movable rack includes, cylinder body 1, living Plug 2, jacking block 3, pull bar 4, adjusting nut group 5, spring 6, support 7, pulling block 8, left single-arm lever 31, left movable mandrel 32 are double with a left side The hinge component of arm bar 34, the hinge component of right single-arm lever 37, right movable mandrel 36 and right double-arm lever 35, fixing axle 33, the control device of described operating mechanism includes, supporting magnetic valve 51 and its with circuits, solenoid valve control circuit interface and Intake line interface, described middle transition load-supporting part is load-bearing frame, is bolted or other connected modes and liter The load-carrying members connection of drop equipment car；The electrical control of solenoid valve control circuit interface and intake line interface and jacking equipment Line interface and pipe interface are connected；The remainder of electric-liquid combined unit or electric-gas combined unit is in jacking equipment Portion；The safety catch phase that its course of work is directly set with another described in [0008] section on jacking equipment car Together；It is provided with a hand-operated direction valve between supporting magnetic valve 51 and source of the gas is used for when required after power failure, manually P mouthfuls, R mouthfuls, S mouthfuls and air inlet pipeline or gas exhaust piping or in-line or oil return pipe of control conversion magnetic valve input The connection on road, controls the motion of piston, so as to control the braking or release of safety device, described hand-operated direction valve must set Put in the safe and reliable position that can not arbitrarily open, formulated rules and regulations and strictly implemented, it is ensured that only possessed qualification, Authorized personnel could open and use.

It is its drive using the distance between each possible braking anchor point of the jacking equipment of safety catch of the invention The integral multiple of carry-over bar tooth pitch (p=π m), therefore it is configured with the installation method of the jacking equipment of safety catch of the invention Including when carrying out and install relevant early stage civil engineering, it is necessary to carry out accurate measurement by the difference in height to stop and stop, Each stop sill is constructed and is controlled accordingly and accurately the difference in height of plane on sill between stop and stop to drive tooth bar The integral multiple of tooth pitch (p=π m), according to the regulation of GB/T10058, it is allowed to which error is that (construction internally controlling requirement should be less than ± 10mm This error amount)；When jacking equipment is installed, correct regulation jacking equipment is worked in coordination with driving tooth bar so that jacking equipment Car just stops leveling accuracy from ground floor and in median, then later stop flat bed can just meet the requirements, or even When other indivedual flat bed element failures, stop leveling accuracy is also can guarantee that；And flat bed holding precision can be far excellent In the requirement of ± 20mm of GB/T10058 regulations.

The present invention carries out safeguard protection braking using tooth bar engagement system, it is to avoid existing friction catch mode may go out The existing potential safety hazard caused because of friction material abrasion or oil pollution etc., improves the reliability of safety arrestment；Even if Meet the situation that drive gear occurs problem, also can reliably brake, it is ensured that safety；Its flat bed holding precision can reach and be much better than The requirement of ± the 20mm of GB/T10058 regulations；Langding accuracy and safeguard protection braking quality are significantly improved therefore, it is possible to play Beneficial effect.

Brief description of the drawings

Fig. 1 is a kind of structural representation of the safety catch for directly being set on jacking equipment car.

Fig. 2 is schematic diagram of the safety catch described in Fig. 1 in free position state.

Fig. 3 is the A-A partial sectional views of Fig. 1.

State of a control schematic diagram when Fig. 4 is 30 dead electricity of two-position-five-way solenoid valve.

Fig. 5 is state of a control schematic diagram when two-position-five-way solenoid valve 30 obtains electric.

Fig. 6 may occur the peak of tooth bar and peak contact condition schematic diagram when being braking.

Fig. 7 is left movable rack, right movable rack in the teeth groove that jacking equipment drives tooth bar is clamp-oned under elastic force is promoted Schematic diagram.

Fig. 8 is that another concrete structure of the described direct safety catch set on jacking equipment car is illustrated Figure.

Fig. 9 is schematic diagram of the safety catch described in Fig. 8 in free position state.

Figure 10 is a kind of signal of the individual secure brake assemblies of pinion and-rack jacking equipment safety catch Figure.

Figure 11 is the signal of another individual secure brake assemblies of pinion and-rack jacking equipment safety catch Figure.

Figure 12 is the schematic diagram of embodiment 1.

Figure 13 is the situation schematic diagram braked to jacking equipment of safety catch of embodiment 1.

Figure 14 is the schematic diagram of embodiment 2.

Figure 15 is for, when magnetic valve is in operating position, safety catch is in signal during free position in embodiment 2 Figure.

Specific embodiment

Embodiment 1, Figure 12 for embodiment 1 schematic diagram, drawing show be jacking equipment side outward appearance, described safety Brake apparatus is arranged on pinion and-rack jacking equipment and temporarily prepare operation in free position, jacking equipment or transporting Situation in row, Figure 13 is the situation schematic diagram braked to jacking equipment of safety catch of embodiment 1, (above The described left and right of figure, be from jacking equipment the inside toward jacking equipment side in terms of, Figure 12,13 are from the outside toward jacking equipment side See, so left and right directions is just anti-phase), described safety catch is necessarily mounted at the lower section of jacking equipment load-carrying members, Directly contact or by middle transition component contact load-bearing, its internal structure each several part of the safety catch of use composition and As shown in Fig. 1~7, and described in [0005] section, [0006] section, [0007] section, embodiment 1 passes through magnetic valve control for the explanation of effect Compressed air processed or hydraulic oil promote piston movement, and pneumatic system or Hydraulic Elements are both including pneumatic unit of the present invention Part or Hydraulic Elements, also including other necessary pneumatic elements or Hydraulic Elements；Due to being related to matching somebody with somebody for multiple transmission systems Close and coordinate, so workmanship and installation quality are should be specifically noted that in manufacture and installation, including it is necessary described in [0011] section The ready-made integer including accurately controlling the difference in height of plane on sill between stop and stop to drive tooth bar tooth pitch (p=π m) Relevant work again, it is ensured that necessary precision, after detection is qualified, could trial operation；The electric control system of jacking equipment is used Used as master control system, its course of work is embedded system, when system is without electricity, including disconnecting power switch or accidental power failure Etc. to cause that the disconnection of jacking equipment general supply, the coil losing electricity of magnetic valve 30, magnetic valve 30 are in by action of reset spring initial State, piston 2 are descending, left movable rack 12, right movable rack 16 drive the positive engagement of tooth bar 17, jacking equipment with jacking equipment Safety device is implemented to brake to jacking equipment；Jacking equipment general supply is connected, the electric control system of jacking equipment is according to operation Need control magnetic valve 30 coil electric or dead electricity, when jacking equipment prepare start when, the electrical control of jacking equipment The drive system of system control jacking equipment drives jacking equipment to move up a distance element, makes the lower plane of load-supporting part 15 There is a microgap with the upper plane of right movable rack 16 and left movable rack 12, the numerical value of described microgap is left movable teeth Bar 12, right movable rack 16 drive 0.2~0.6 times of the sideshake of tooth bar 17 with jacking equipment；Then the coil of magnetic valve 30 is controlled Obtain electric, iron core action band movable valve plug is to operating position, and piston 2 is up, until left movable rack 12, right movable rack 16 and lifting Device drives tooth bar 17 is kept completely separate and has the free position in a bit of gap, is that jacking equipment startup is ready；Lifting sets It is standby start after when needing to stop, the electric control system of jacking equipment first disconnects jacking equipment motor power, motor deceleration, When close to stop position, such as when close to level position, the electric control system of jacking equipment controls magnetic valve 30 on schedule Coil losing electricity, be reset to initial position, control piston 2 is descending, until left movable rack 12, right movable rack 16 set with lifting The application position of the standby driving positive engagement of tooth bar 17；If occurring abnormal conditions when jacking equipment is currently running, such as lifting sets Reached the limit of for unexpected power down or because of jacking equipment overspeed protective device action power dump or because of jacking equipment Guarded by location device action is cut off the electricity supply etc. so that jacking equipment general supply dead electricity, and other electricity-loss braking devices include electronic The dead electricity band brake apparatus that machine is carried play a role braking immediately, after the completion of energy storage device time delay, the coil losing electricity of magnetic valve 30, Magnetic valve 30 is reset to original state, descending control piston 2, left movable rack 12, right movable rack 16 and is driven with jacking equipment The positive engagement of tooth bar 17, it is ensured that the safety of jacking equipment.

Embodiment 2, Figure 13 is also the schematic diagram of embodiment 2, it is shown that magnetic valve is in reset position, safety arrestment dress Situation when implementing braking is put, Figure 12 is also for, when magnetic valve is in operating position, safety catch is in freely in embodiment 2 Schematic diagram during location status, the safety catch for using is direct in jacking equipment car described in Fig. 8 and [0008] section The explanation of the safety catch of upper setting, its internal structure each several part composition and effect as shown in Figure 8, and [0008] section institute State, due to being related to the matching coordinative of multiple transmission systems, so should be specifically noted that workmanship and installation in manufacture and installation Quality, including the necessary ready-made difference in height including plane on sill between accurate control stop and stop described in [0011] section To drive the relevant work of the integral multiple of tooth bar tooth pitch (p=π m), it is ensured that necessary precision, after detection is qualified, could trial operation； Using embedded system as master control system, its course of work is (to be wrapped when system is without electricity to the electric control system of jacking equipment Include the state after the release of energy storage device energy after original state or dead electricity), the coil losing electricity of supporting magnetic valve 51, supporting electromagnetism Valve is in by action of reset spring and initial position or is reset to initial position, select the interface 23 of cylinder body 1 for air inlet, Interface 22 is exhaust outlet, and piston 2 is up, jacking block 3 is also up by the top pressure of piston 2 and drives pull bar 4, pulling block 8 up together Compression spring 6 simultaneously, the movable axis 21 being fixed on pulling block 8 follows the left list that pulling block 8 is up, be driven around on movable axis 21 The open end of the open end of arm bar 31 and right single-arm lever 37 is up, drives left single-arm lever 31, left movable mandrel 32 with a left side The hinge component of double-arm lever 34, and right single-arm lever 37, right movable mandrel 36 and right double-arm lever 35 hinge component, around solid Dead axle 33 is rotated, and left double-arm lever 34, the lower end of right double-arm lever 35 are opened toward the left and right sides, and upper end drives left movable rack 12nd, right movable rack 16 drives the movement of the center position of tooth bar 17 toward jacking equipment, until driving tooth bar 17 complete with jacking equipment The application position of engagement, brakes, (referring to Figure 11) to jacking equipment；When jacking equipment prepare start when, jacking equipment it is electric The drive system of control system control jacking equipment drives jacking equipment to move up a distance element, under making load-supporting part 15 Plane has a microgap with the upper plane of right movable rack 16 and left movable rack 12, and the numerical value of described microgap is left work Carry-over bar 12, right movable rack 16 drive 0.2~0.6 times of the sideshake of tooth bar 17 with jacking equipment；Then supporting magnetic valve is controlled Obtain electric, when supporting magnetic valve obtains electric, select the interface 23 of cylinder body 1 for exhaust outlet, interface 22 are air inlet, piston 2 is descending, jacking block 3 are followed piston 2 descending and drive pull bar 4, pulling block 8 descending together by the elastic force effect of spring 6, are fixed on the work on pulling block 8 Moving axis 21 follows open end and the right single-arm lever 37 that pulling block 8 is descending, pull the left single-arm lever 31 being centered around on movable axis 21 Open end it is descending, while pulling the lower end of left double-arm lever 34, right double-arm lever 35 from the left and right sides toward middle mobile, upper end Drive left movable rack 12, right movable rack 16 to drive the direction at tooth bar 17 center to move toward leaving jacking equipment, until with liter Drop device drives tooth bar 17 is kept completely separate and has the free position in a bit of gap, is that jacking equipment startup is ready, lifting Equipment is transferred to startup program；Each system of control system control jacking equipment is operated according to normal work program after startup, When jacking equipment needs to stop, the electric control system of jacking equipment first disconnects motor power, and motor deceleration stops when close During by position, the electric control system of jacking equipment controls the coil losing electricity of supporting magnetic valve 51 on schedule, is reset to initial bit Put, control piston 2 is up, until left movable rack 12, right movable rack 16 drive the positive engagement of tooth bar 17 with jacking equipment Application position；If occurring abnormal conditions when jacking equipment is currently running, the unexpected power down of such as jacking equipment or because lifting Equipment overspeed protective device action power dump or because jacking equipment reaches the limit of guarded by location device action and cuts off the electricity supply Etc., now jacking equipment general supply dead electricity, the dead electricity band brake apparatus that other electricity-loss braking devices are carried including motor are immediately Play a role braking, and after the completion of energy storage device time delay, supporting electromagnetic valve coil dead electricity, supporting magnetic valve is reset to initial shape State, up control piston 2, left movable rack 12, right movable rack 16 drive the positive engagement of tooth bar 17 with jacking equipment, it is ensured that The safety of jacking equipment.

Embodiment 3 is a kind of Gear-and-rack elevator of the individual secure brake assemblies for installing and using described, Figure 14 It is the schematic diagram of embodiment 3, it is shown that magnetic valve is in reset position, safety catch implements situation during braking, figure 15 for, when magnetic valve is in operating position, safety catch is in schematic diagram during free position state, uses in embodiment 3 Safety catch concrete structure be a kind of individual secure brake assemblies, described individual secure brake assemblies Load-bearing frame, is bolted or other connected modes are connected with the load-carrying members of lift car, solenoid valve control circuit and Intake line interface is connected with the electric control circuit interface and pipe interface of elevator, as shown in Figure 10, and [0009] section institute State；Its internal structure is identical with the concrete structure described in [0009] section, and the explanation of its internal structure each several part composition and effect is shown in Shown in Figure 10, and described in [0009] section, due to being related to the matching coordinative of multiple transmission systems, so should in manufacture and installation Pay special attention to workmanship and installation quality, including it is necessary ready-made including accurate control stop and stop described in [0011] section Between on sill plane difference in height to drive the relevant work of the integral multiple of tooth bar tooth pitch (p=π m), it is ensured that necessary precision, After detection is qualified, could trial operation；The electric control system of elevator uses embedded system as master control system, its course of work For when system is without electricity (referring to Figure 10), the coil losing electricity of magnetic valve 30, valve element are reset to initial bit by action of reset spring Put, magnetic valve P mouthfuls logical with B mouthfuls, P mouthfuls of air inlet pipeline for connecing compressed air gas source (or pressure oil oil sources) (or oil inlet pipe Road), the B mouthfuls of upper interface 22 for connecing cylinder body 1, R mouthfuls logical with A mouthfuls, R mouthfuls of air pipe that runs in (or return line), A mouthfuls connect cylinder body 1 Lower interface 23, now, the upper interface 22 of selected cylinder body 1 be air inlet (or oil inlet), the lower interface 23 of cylinder body 1 is exhaust outlet (or oil return opening), piston 2 is descending, and jacking block 3 is followed piston 2 descending and drive pull bar 4, pulling block 8 by the elastic force effect of spring 6 Descending together, the movable axis 21 being fixed on pulling block 8 follows descending pulling block 8, drive lever left 9, the underarm of right lever 19 solid around a left side Dead axle 10, right fixed shaft 20 are rotated toward outside, and lever left 9, the upper arm of right lever 19 drive left movable rack 12, right movable rack 16 drive the movement of the center position of tooth bar 17 toward elevator, until the at a fully engaged application position of tooth bar 17 is driven with elevator, to elevator Braking；When elevator prepares to start, the drive system of the electric control system control elevator of elevator drives elevator to move up one Individual distance element, make the lower plane of load-supporting part 46 and right movable rack 16 and left movable rack 12 upper plane have one it is micro- between Gap, the numerical value of described microgap be left movable rack 12, right movable rack 16 and elevator drive the sideshake of tooth bar 17 0.2~ 0.6 times；Then control magnetic valve 30 obtains electric, and the valve element of magnetic valve 30 is reached operating position, magnetic valve P mouthfuls by electromagnet effect movement It is logical with A mouthfuls, P mouthfuls connect the air inlet pipeline (or pressure oil oil sources in-line) of compressed air gas source, A mouthfuls connect and connect under cylinder body 1 Mouthful 23, S mouthful lead to B mouthfuls, S mouthfuls of air pipe that runs in (or return line), the B mouthfuls of upper interface 22 for connecing cylinder body 1, now, select cylinder The lower interface 23 of body 1 is air inlet (or oil inlet), and the upper interface 22 of cylinder body 1 is exhaust outlet (or oil return opening), on piston 2 OK, jacking block 3 receives the top pressure of piston 2 also up and drives pull bar 4, pulling block 8 up together while compression spring 6, is fixed on drawing Movable axis 21 on block 8 follows up pulling block 8, drive lever left 9, the underarm of right lever 19 around left fixed shaft 10, right fixed shaft 20 Rotated toward inner side, lever left 9, the upper arm of right lever 19 drive left movable rack 12, right movable rack 16 toward leaving jacking equipment The direction movement at the center of tooth bar 17 is driven, until driving tooth bar 17 to be kept completely separate and have the free position in a bit of gap with elevator Put；For elevator startup is ready, elevator is transferred to startup program；Each system of control system control elevator is according to normal after startup Working procedure is operated, and when elevator needs to stop, the electric control system of elevator first disconnects motor power, and motor subtracts Speed, when close to stop position, the electric control system of elevator controls the coil losing electricity of magnetic valve 30 on schedule, is reset to initial Position, control piston 2 is descending, until left movable rack 12, right movable rack 16 drive the system of the positive engagement of tooth bar 17 with elevator Dynamic position；If occurring abnormal conditions when elevator is currently running, the unexpected power down of such as elevator or because elevator overspeed protecting dress Put action power dump or because elevator reaches the limit of guarded by location device action and cuts off the electricity supply etc., now elevator is always electric Source dead electricity, other electricity-loss braking devices play a role braking immediately including the dead electricity band brake apparatus that motor is carried, in energy storage dress After the completion of putting time delay, the coil losing electricity of magnetic valve 30, supporting magnetic valve is reset to that original state, control piston 2 be descending, left movable teeth Bar 12, right movable rack 16 drive the positive engagement of tooth bar 17 with elevator, implement braking, it is ensured that the safety of elevator.

Embodiment 4, a kind of elevator of the safety catch for being mounted with pinion and-rack jacking equipment of the present invention, The explanation of its outside drawing same Figure 12, Figure 13, the safety catch of use its internal structure each several part composition and effect see Fig. 1~ Shown in 7, and described in [0005] section, [0006] section, [0007] section, operation principle is described identical with [0028] section.

Embodiment 5, a kind of elevator of the safety catch for being mounted with pinion and-rack jacking equipment of the present invention, Its outside drawing same Figure 12, Figure 13, the safety catch for using are direct in jacking equipment car described in Fig. 8 and [0008] section The explanation of the safety catch of upper setting, its internal structure each several part composition and effect as shown in Figure 8, and [0008] section institute State, operation principle is described identical with [0029] section.

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

Claims (9)

1. a kind of safety catch of pinion and-rack jacking equipment, including, rail assembly, movable rack, movable rack Operating mechanism, the control device of operating mechanism, load-supporting part；It is characterized in that, described load-supporting part includes direct load-supporting part Or middle transition load-supporting part；Described rail assembly includes the horizontal rail that upper rail, lower rail are formed, guide plate, and supplies to live The track window aperture that carry-over bar passes through；Movable rack passes through track window aperture, the portion being associated with driving tooth bar of movable rack The tooth form divided is in can be moved with the engagement of the driving tooth bar of jacking equipment or separate position by the level on rail assembly It is dynamic or be maintained in some defined locations and realize and the engagement for driving tooth bar or separate, described defined location, bag Include and drive the application position that engage of tooth bar with jacking equipment or be kept completely separate with jacking equipment driving tooth bar and have one intersegmental The free position of gap, described has an intersegmental gap, refer to drive tooth bar and movable rack tooth top interplanar corresponding thereto have 2~ 5mm gaps；At least one direction of the inner face either above or below of the part being associated with guide rail of movable rack is provided with leads To breach, gathering sill is collectively forming with a part for movable rack cover plate, gathering sill and guide plate with being combined into dynamic cooperation, in case Only outside or inner side play of the movable rack to car；Movable rack top enter on-position after with jacking equipment car Load-supporting part directly contact or by middle transition load-supporting part contact load-bearing；The operating mechanism manipulation activities of movable rack Tooth bar is moved horizontally or stopped on rail assembly and is maintained in some defined locations, the manipulation machine of described movable rack The control device of structure includes, mechanical device or electric device or hydraulic means or pneumatic means or electric-liquid connection Attach together and put or electric-gas combined unit；The safety catch of described pinion and-rack jacking equipment, including directly rising The safety catch component set on drop equipment car, or the individual secure brake assemblies being separately provided, Ran Houan On jacking equipment；Described electric-liquid combined unit or electric-gas combined unit include magnetic valve or supporting magnetic valve, Described magnetic valve or the electric, dead electricity that obtains of supporting electromagnetic valve coil are controlled by jacking equipment electric control system.

2. the safety catch of pinion and-rack jacking equipment according to claim 1, it is characterized in that, described one kind Directly on jacking equipment car set safety catch, including rail assembly, movable rack, movable rack manipulation machine Structure, the control device of operating mechanism, load-supporting part, described rail assembly include that track window aperture, guide plate, load-supporting part are simultaneous The horizontal rail that upper rail and lower rail are formed, described movable rack includes right movable rack and left movable rack, described activity Tooth bar passes through track window aperture, and being in the tooth form for the part for driving tooth bar to be associated for movable rack can be with jacking equipment Drive tooth bar engagement or separate position, by moving horizontally on rail assembly or being maintained at some defined locations Upper realization and the engagement for driving tooth bar are separated, described defined location, including are engaged with jacking equipment driving tooth bar Application position or with jacking equipment drive tooth bar be kept completely separate and have the free position of an intersegmental gap, described has one section Gap, refers to that driving tooth bar and movable rack tooth top interplanar corresponding thereto have 2~5mm gaps；Movable rack and horizontal rail The fit dimension in road is dynamic cooperation, and contact surface is smooth low coefficient of friction surfaces；The part that movable rack is associated with guide rail Inner face top be provided with guiding breach, be collectively forming gathering sill, gathering sill and guide plate with a part for movable rack cover plate With being combined into dynamic cooperation；Right movable rack and left movable rack top are direct with load-supporting part and upper rail after on-position is entered Contact load-bearing；The operating mechanism of described movable rack includes, lever left, right lever, left fixed shaft, right fixed shaft, movable axis, Pulling block, support, spring, adjusting nut group, pull bar, jacking block, piston, cylinder body；Described piston, cylinder body include fluid pressure type or gas Pressure type；The operating mechanism course of work of movable rack is, when cylinder body lower interface for exhaust outlet or oil return opening, upper interface be into When gas port or oil inlet, descent of piston, jacking block are followed descent of piston and drive pull bar, pulling block one by the elastic force effect of spring Rise descending, the movable axis being fixed on pulling block follows that pulling block is descending, drive lever left, right lever underarm around left fixed shaft, right solid Dead axle is rotated toward outside, and lever left, the upper arm of right lever drive left movable rack, right movable rack to drive tooth bar toward jacking equipment Center position is moved, until drive the at a fully engaged application position of tooth bar with jacking equipment, jacking block stop it is descending, but piston after Continue descending a small distance, keep having a bit of gap with jacking block, to ensure left movable rack, right movable rack and jacking equipment Tooth bar positive engagement is driven, described a bit of gap refers to 2~5mm gaps；When the lower interface of cylinder body is air inlet or is entered Hydraulic fluid port, upper interface be exhaust outlet or oil return opening when, piston stroking upward, jacking block by piston top pressure it is also up and drive pull bar, Pulling block is up together while compression spring, the movable axis being fixed on pulling block follows that pulling block is up, drive lever left, right lever under Arm is rotated around left fixed shaft, right fixed shaft toward inner side, and lever left, the upper arm of right lever drive left movable rack, right movable rack The direction movement at tooth bar center is driven toward jacking equipment is left, until driving tooth bar to be kept completely separate and have a bit of with jacking equipment The free position in gap；Adjusting nut group is used to adjust the pressure of spring, and support 7 fixes the extreme higher position of the upper surface of spring 6.

3. the safety catch of pinion and-rack jacking equipment according to claim 1, it is characterized in that, described activity Electric-liquid combined unit or electric-gas combined unit that the control device of the operating mechanism of tooth bar includes, including, described cylinder body Lower interface or upper interface be chosen to be air inlet or oil inlet or the state for exhaust outlet or oil return opening, by electricity Magnet valve is controlled, and described magnetic valve is two-position-five-way solenoid valve, and during dead electricity valve element is reset to initial bit by action of reset spring Put, magnetic valve P mouthfuls lead to B mouthful, P mouthfuls connect compressed air gas source or pressure oil oil sources in-line, B mouthfuls connect cylinder body on connect Mouthful, R mouthful lead to A mouthfuls, R mouthfuls run in air pipe or return line, A mouthful connect the lower interface of cylinder body, now, select cylinder body on connect Mouth is air inlet or oil inlet, and the lower interface of cylinder body is exhaust outlet or oil return opening, descent of piston, left movable rack, right work Carry-over bar drives tooth bar positive engagement with jacking equipment；Valve element is reached operating position, magnetic valve P by electromagnetic force movement when obtaining electric Mouthful lead to A mouthfuls, the P mouthfuls of air inlet pipeline for connecing compressed air gas source or pressure oil oil sources in-line, A mouthfuls connect and connect under cylinder body Mouthful, S mouthful lead to B mouthfuls, S mouthfuls run in air pipe or return line, B mouthful connect the upper interface of cylinder body, now, select and connect under cylinder body Mouthful it is air inlet or oil inlet, the upper interface of cylinder body is exhaust outlet or oil return opening, piston stroking upward, until left movable rack, Right movable rack drives tooth bar to be kept completely separate and have the free position in a bit of gap with jacking equipment；

The electric, dead electricity that obtains of described electromagnetic valve coil is controlled by jacking equipment electric control system, described electrical control system Also include one in the control unit of the magnetic valve of system only by the relay or contactor and energy storage device of general supply control, institute The relay for only being controlled by general supply or the normally-closed contact of contactor stated are connected across between electromagnetic valve coil and energy storage device, When jacking equipment obtains electric, normally-closed contact disconnects, and the connection between electromagnetic valve coil and energy storage device also disconnects, energy storage device storage Energy；During jacking equipment dead electricity, other electricity-loss braking devices play a role system immediately including the dead electricity band brake apparatus that motor is carried It is dynamic, but electromagnetic valve coil not dead electricity immediately, it is described only by the relay or contactor normally-closed contact of general supply control Dead electricity is closed, and electromagnetic valve coil is connected with energy storage device, and time delay constant design of the energy storage device to electromagnetic valve coil is whole It is set to other all electricity-loss braking devices individually to complete to brake the braking time of needs and electric-liquid combined unit or electric-gas connection Close the difference of device action time delay；After the completion of energy storage device time delay, electromagnetic valve coil dead electricity；When jacking equipment general supply is disconnected When opening without electricity, jacking equipment remain static, the disconnection of jacking equipment general supply, electromagnetic valve coil dead electricity, magnetic valve are resetted Spring effect is in original state, descent of piston, left movable rack, right movable rack and jacking equipment and drives tooth bar reliably to nibble Close, jacking equipment safety device is implemented to brake to elevator；Jacking equipment general supply is connected, the electric control system root of jacking equipment According to operation need control electromagnetic valve coil electric or dead electricity, when jacking equipment prepare start when, the electric-controlled of jacking equipment The electromagnet of system control magnetic valve processed obtains electric, iron core action band movable valve plug to operating position, piston stroking upward, until left movable teeth Bar, right movable rack and jacking equipment drive tooth bar to be kept completely separate and have the free position in a bit of gap, are that jacking equipment is opened It is dynamic ready；When jacking equipment needs to stop after starting, it is electronic that the electric control system of jacking equipment first disconnects jacking equipment Electromechanical source, motor deceleration, when close to stop position, such as when close to level position, the electric control system of jacking equipment Control electromagnetic valve coil dead electricity on schedule, be reset to initial position, control descent of piston, left movable rack, right movable rack with Jacking equipment drives tooth bar positive engagement to implement braking；If there is abnormal conditions, the unexpected power down of such as jacking equipment or because For jacking equipment overspeed protective device action power dump or because jacking equipment reaches the limit of guarded by location device action and cuts Power-off source etc., now jacking equipment general supply immediately without electricity, including the dead electricity that motor is carried embrace by other electricity-loss braking devices Brake gear plays a role braking immediately, electromagnetic valve coil dead electricity after the completion of energy storage device time delay, magnetic valve be reset to original state, Control descent of piston, left movable rack, right movable rack and jacking equipment drive tooth bar positive engagement, it is ensured that jacking equipment Safety；A hand-operated direction valve is provided between magnetic valve and source of the gas, for when required after power failure, manually control to become Change P mouthfuls of magnetic valve input, R mouthfuls, S mouthfuls with air inlet pipeline or the company of gas exhaust piping or in-line or return line Connect, control the motion of piston, so as to control the braking or release of safety device, described hand-operated direction valve is necessarily placed at peace The complete reliable position that can not arbitrarily open, has formulated rules and regulations and has strictly implemented, it is ensured that only possessed qualification, awarded The personnel of power could open and use.

4. the safety catch of pinion and-rack jacking equipment according to claim 1, it is characterized in that, described one kind The safety catch for directly being set on jacking equipment car, the control device of its operating mechanism includes supporting magnetic valve, institute The electric, dead electricity that obtains of the supporting electromagnetic valve coil stated is controlled by jacking equipment electric control system, described electric control system Supporting magnetic valve control unit in also include one only by general supply control relay or contactor and energy storage device, The described relay for only being controlled by general supply or the normally-closed contact of contactor are connected across supporting electromagnetic valve coil and energy storage dress Between putting, when jacking equipment obtains electric, normally-closed contact disconnects, and the connection between supporting electromagnetic valve coil and energy storage device also disconnects, Energy storage device energy storage；During jacking equipment dead electricity, the dead electricity band brake apparatus that other electricity-loss braking devices are carried including motor are immediately Play a role braking, but supporting electromagnetic valve coil not dead electricity immediately, it is described only by general supply control relay or Contactor normally-closed contact dead electricity is closed, and supporting electromagnetic valve coil is connected with energy storage device, and energy storage device is to supporting line solenoid valve The time delay constant design tuning of circle be other all electricity-loss braking devices individually complete braking need braking time with electricity- Liquid combined unit or electric-gas combined unit act the difference of time delay；After the completion of energy storage device time delay, supporting magnetic valve Coil losing electricity；The pipeline connection of described supporting magnetic valve and working condition conversion process are that valve element receives back-moving spring during dead electricity Effect is reset to initial position, supporting magnetic valve P mouthful lead to A mouthfuls, the P mouthfuls of air inlet pipeline or pressure oil for connecing compressed air gas source Oil sources in-line, A mouthful connect the lower interface of cylinder body, S mouthfuls lead to B mouthful, S mouthfuls run in air pipe or return line, B mouthful connect cylinder body Upper interface, now, the lower interface of selected cylinder body be air inlet or oil inlet, the upper interface of cylinder body is exhaust outlet or oil return Mouthful, piston stroking upward, until left movable rack, right movable rack and jacking equipment drive the application position of tooth bar positive engagement； Valve element is reached operating position by electromagnet effect is mobile when electric, supporting magnetic valve P mouthful lead to B mouthfuls, P mouthfuls connect compressed air gas source or The air inlet pipeline or in-line of pressure oil oil sources, the B mouthfuls of upper interface for connecing cylinder body, R mouthfuls lead to A mouthful, R mouthfuls run in air pipe or Person's return line, A mouthful connect the lower interface of cylinder body, now, the upper interface of selected cylinder body be air inlet or oil inlet, under cylinder body Interface is exhaust outlet or oil return opening, descent of piston, until left movable rack, right movable rack and jacking equipment drive tooth bar complete Free position that is fully separating and having a bit of gap；So as to realize that dead electricity is braked, the function of electric release is obtained；Described movable rack Operating mechanism, including, cylinder body, piston, jacking block, pull bar, adjusting nut group, spring, support, pulling block, movable axis, left single armed thick stick The hinge component of bar, left movable mandrel and left double-arm lever, the hinge set of right single-arm lever, right movable mandrel and right double-arm lever Part, fixing axle；The operating mechanism course of work of movable rack is during supporting magnetic valve dead electricity, to be reset to initial position, selectes cylinder The lower interface of body is that air inlet or oil inlet, upper interface are exhaust outlet or oil return opening, and piston stroking upward, jacking block are pushed up by piston Pressure is also up and drives pull bar, pulling block up together while compression spring, and the movable axis being fixed on pulling block is followed on pulling block The open end of row, the open end of the left single-arm lever being driven around on movable axis and right single-arm lever is up, drives left single armed The hinge component of lever, left movable mandrel and left double-arm lever, and right single-arm lever, right movable mandrel and right double-arm lever hinge Chain component, is rotated around fixing axle, and left double-arm lever, the lower end of right double-arm lever are opened toward the left and right sides, and upper end drives left activity Tooth bar, right movable rack drive the movement of tooth bar center position toward jacking equipment, until driving tooth bar at a fully engaged with jacking equipment Application position, to jacking equipment brake；When supporting magnetic valve obtains electric, the lower interface of cylinder body is selected for exhaust outlet, upper interface are Air inlet, descent of piston, jacking block are followed descent of piston and drive pull bar, pulling block descending together by the elastic force effect of spring, Gu The movable axis being scheduled on pulling block follow pulling block it is descending, while pulling the left single-arm lever open end and the right list that are centered around on movable axis The open end of arm bar is descending, while the lower end of left double-arm lever, right double-arm lever is pulled from the left and right sides toward middle movement, on End drives left movable rack, right movable rack toward the direction movement for leaving jacking equipment driving tooth bar center, until being set with lifting It is standby to drive tooth bar to be kept completely separate and have the free position in a bit of gap；Adjusting nut group is used to adjust the pressure of spring, support The extreme higher position of the upper surface of fixed spring；A hand-operated direction valve is provided between supporting magnetic valve and source of the gas, for When required after power failure, manually P mouthfuls, R mouthfuls, S mouthfuls and air inlet pipeline or exhaust of the supporting magnetic valve input of control conversion The connection of pipeline or in-line or return line, control piston motion so that control safety device braking or Release, described hand-operated direction valve is necessarily placed at the safe and reliable position that can not arbitrarily open, formulated rules and regulations and It is strict to implement, it is ensured that only to possess qualification, authorized personnel could open and use.

5. the safety catch of pinion and-rack jacking equipment according to claim 1, it is characterized in that, described independence Safety catch component, including the separate space surrounded by supporting frame, mounting base, panel, described only Rail assembly, movable rack in vertical space, the operating mechanism of movable rack, the control device of operating mechanism, middle transition are held The component of heavy parts；Described rail assembly includes horizontal rail, the track window aperture that upper rail and lower rail are formed, described activity Tooth bar includes left movable rack, right movable rack, and the operating mechanism of described movable rack includes, lever left, right lever, Zuo Gu Dead axle, right fixed shaft, movable axis, pulling block, support, spring, adjusting nut group, pull bar, jacking block, piston, cylinder body, described manipulation The control device of mechanism includes, magnetic valve and its connecting line, solenoid valve control circuit interface and intake line interface；Described Middle transition load-supporting part is load-bearing frame, be bolted or other connected modes and jacking equipment car load-carrying members Connection；Solenoid valve control circuit interface and intake line interface connect with the electric control circuit interface and pipe interface of jacking equipment Connect；The remainder of electric-liquid combined unit or electric-gas combined unit is inside jacking equipment；Between magnetic valve and source of the gas A hand-operated direction valve is provided with, for when required after power failure, manually control to convert P mouthfuls, R of magnetic valve input Mouthful, S mouthful with the connection of air inlet pipeline or gas exhaust piping or in-line or return line, the motion of control piston, from And controlling the braking or release of safety device, described hand-operated direction valve is necessarily placed at and safe and reliable can not arbitrarily open Position, has formulated rules and regulations and has strictly implemented, it is ensured that only possess qualification, and authorized personnel could open and make With.

6. the safety catch of pinion and-rack jacking equipment according to claim 1, it is characterized in that, described independence Safety catch component, including the separate space surrounded by supporting frame, mounting base, panel, described only Rail assembly, movable rack in vertical space, the operating mechanism of movable rack, the control device of operating mechanism, middle transition are held The component of heavy parts；Described rail assembly includes horizontal rail, the track window aperture that upper rail and lower rail are formed, described activity Tooth bar includes left movable rack, right movable rack, and the operating mechanism of described movable rack includes, cylinder body, piston, jacking block, drawing Bar, adjusting nut group, spring, support, pulling block, the hinge component of left single-arm lever, left movable mandrel and left double-arm lever, right list The hinge component of arm bar, right movable mandrel and right double-arm lever, fixing axle, the control device of described operating mechanism includes, Supporting magnetic valve and its connecting line, supporting solenoid valve control circuit interface and intake line interface, described middle transition are held Heavy parts are load-bearing frame, be bolted or other connected modes are connected with the load-carrying members of jacking equipment car；It is supporting Solenoid valve control circuit interface and intake line interface are connected with the electric control circuit interface and pipe interface of elevator；Electric-liquid The remainder of combined unit or electric-gas combined unit is inside jacking equipment；Set between supporting magnetic valve and source of the gas There is a hand-operated direction valve, for when required after power failure, manually control to convert P mouthfuls, R mouthfuls, S mouthfuls of magnetic valve input With the connection of air inlet pipeline or gas exhaust piping or in-line or return line, the motion of piston is controlled, so as to control The braking or release of safety device, described hand-operated direction valve are necessarily placed at the safe and reliable position that can not arbitrarily open, Rules and regulations are formulated and have strictly implemented, it is ensured that only possessed qualification, authorized personnel could open and use.

7. the safety catch of pinion and-rack jacking equipment according to claim 1, it is characterized in that, described electromagnetism Valve or supporting magnetic valve, the electric, dead electricity that obtains of its electromagnetic valve coil are controlled by jacking equipment electric control system, its control step Suddenly following rate-determining steps are included, when jacking equipment prepares to start, the electric control system control jacking equipment of jacking equipment Drive system drives jacking equipment to move up a distance element, makes the lower plane of load-supporting part and right movable rack and left activity The upper plane of tooth bar has a microgap, and the numerical value of described microgap is left movable rack, right movable rack and jacking equipment Drive 0.2~0.6 times of tooth bar sideshake；Then the electric control system control magnetic valve or supporting magnetic valve of jacking equipment Coil obtains electric.

8. the safety catch of rack-and-pinion jacking equipment according to claim 1, it is characterized in that, it is configured with the present invention The installation method of jacking equipment of safety catch include, when carrying out and install relevant early stage civil engineering, it is necessary to logical Cross carries out accurate measurement to the difference in height of stop and stop, each stop sill is constructed accordingly and accurately control stop with The difference in height of plane is the integral multiple for driving tooth bar tooth pitch on sill between stop, and when jacking equipment is installed, correct regulation rises Drop equipment is worked in coordination with driving tooth bar so that jacking equipment just stops leveling accuracy from ground floor and in median.

9. a kind of elevator, it is characterized in that, install and use the gear teeth described in any claim in claim 1- claims 8 The safety catch of bar formula jacking equipment.