CN202687701U - Velocity limiting and braking device for non-winding type high-rise rescue lift - Google Patents
Velocity limiting and braking device for non-winding type high-rise rescue lift Download PDFInfo
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- CN202687701U CN202687701U CN 201220356109 CN201220356109U CN202687701U CN 202687701 U CN202687701 U CN 202687701U CN 201220356109 CN201220356109 CN 201220356109 CN 201220356109 U CN201220356109 U CN 201220356109U CN 202687701 U CN202687701 U CN 202687701U
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- 235000014676 Phragmites communis Nutrition 0.000 abstract 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 51
- 239000010959 steel Substances 0.000 description 51
- 238000013016 damping Methods 0.000 description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 12
- 239000000725 suspension Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides a velocity limiting and braking device for a non-winding type high-rise rescue lift. The velocity limiting and braking device is characterized in that a revolution meter is arranged on any one fixed pulley in a lift car hauling system, the fixed pulley and a shaft of the fixed pulley are in key connection, the shaft of the fixed pulley and a bearing inner sleeve are in tight fit, a bearing is mounted on a bracket, a driving shaft of the revolution meter is in rigid connection with the shaft of the fixed pulley, a velocity limiting scale and a braking scale are set on a revolution meter dial, the velocity limiting scale is smaller than the braking scale, a velocity limiting reed switch is fixed on the velocity limiting scale, a braking reed switch is fixed on the braking scale, a magnet is arranged on an indicator on the velocity limiting meter dial, a large direct current electromagnetic brake is mounted on a main shaft and serves as a brake for braking because of large breaking force, a small direct current electromagnetic brake is mounted on the main shaft and serves as a speed governor because of small braking force, the velocity limiting reed switch serving as a switch is connected to a control circuit of the small direct current electromagnetic brake serving as the speed governor, and the braking reed switch serving as a switch is connected to a control circuit of the large direct current electromagnetic brake serving as the brake for braking. The velocity limiting and braking device has the beneficial effect that a complete non-winding type high-rise rescue lift which is added with multiple protection measures and are greatly improved in the aspects of reliability, safety, comfort and practicability is provided.
Description
[technical field]
The utility model relates to a kind of high-rise wrecking equipment, is power-actuated jacking equipment that do not use that trapped personnel is saved from the high-rise that disaster occurs, a kind of specifically.
[background technology]
At present, be used for trapped personnel is saved from the high-rise that disaster occurs, do not use power-actuated jacking equipment, mostly be wound form, the hauling rope forward that namely draws A car (or A survival capsule) is wrapped on the cylinder, the hauling rope reverse-winding of traction B car (or B survival capsule) is on cylinder, one of them car is operation downwards under Action of Gravity Field, meanwhile upwards operation of another car.The hauling rope (being generally steel rope, lower same) that is wrapped in actual use cylinder is slow when landing soon when its descending speed begins, and whole descending speed is the aviation value of variable.This wound form jacking equipment usually interferes phenomenon, has potential safety hazard, so in national standard, can only be used for loading, forbids for manned.
CN202078661U discloses a kind of high-altitude slow-descending equipment, belong to the high-rise wrecking equipment of non-wound form, it discloses the system that two service direction opposite working ropes draw respectively two car liftings, but the part in the disclosed content of the CN202078661U high-rise rescue elevator machine that only is non-wound form.
[summary of the invention]
The purpose of this utility model provides the high-rise rescue elevator machine of non-wound form of a kind of CN202078661U of comprising, in the utility model the disclosed content of CN202078661U is called the car traction system.
The purpose of this utility model is achieved in that the car traction system comprises on the drive wheel, each car roof of A deceleration damping arrangement and fixes two pairs of movable pulleys and line storage wheel, it is characterized in that: further comprising
Car cabin shift-out mechanism, specifically: be car cabin framework above the pedestal, two car cabins about the framework partition of car cabin arrange a car in each car cabin, and car is established hatch below the cabin, becomes the gangway of car; Car bilge section arranges two longitudinal rails (vertical with left and right directions) at least, is rigidly connected between all longitudinal rails, and at the upper surface setting of the pedestal vertical assembly pulley corresponding with guide rail, namely a longitudinal rail is placed on the vertical assembly pulley of row; The input shaft of the rotating shaft key connecting handle reductor of handle, the output axle key of handle reductor connects the axle of the first sprocket wheel, handle, handle reductor and the first sprocket wheel are installed on the handle frame, locate respectively to install a left sprocket wheel and right sprocket wheel about the handle frame front end, handle frame is installed on the pedestal, left and right sides sprocket wheel is identical, and less than the first sprocket wheel; The walking chain front-end and back-end be fixed therein on the guide rail, the walking chain interlude successively with left sprocket wheel, the first sprocket wheel and right sprocket engagement; Pedestal is fixed on the edge of building top layer platform.Portable car cabin is placed on the pedestal at ordinary times.When needing rescue, crank handle, the first chain wheel drive walking chain is outwards walked, and guide rail is in thereupon outwards walking of assembly pulley, and portable car cabin outwards is moved to two hatch and leans out the building edge fully, prepares for putting down car.Rescue finishes, reverse jiggle bar, and portable car cabin moves on the pedestal inwards.
Prevent the device of steel cable track and car drift.When car moves up and down track need to be set.The utility model is as a kind of emergency and rescue equipment, do not belong to common equipment, therefore the utility model can not arrange the fixed type rigid track for car, the soft track of rollable can only be set, produce drift for preventing that this soft track and car are in operation, the utility model being provided with prevents that soft track from being the device of steel cable track and car drift, specifically: each fixes a channel-section steel in the both sides in each car cabin, the lower end of each channel-section steel is dovetail form, the groove of two channel-section steels is relatively as channel suspending rail, in the every side in the both sides of each car by fixing up and down several I-shaped wheel shape pulleys, all I-shaped wheel shape pulleys are walked in the groove of channel-section steel, form the space of sealing at the bottom of the spill of I-shaped wheel shape pulley and channel-section steel; Each fixes a convex track in the outside of two cell walls of each channel-section steel, is secondary track; Each fixes an I-shaped wheel shape handwheel in the outside of the bottom land of each channel-section steel, and the top of steel cable track is fixed and is wrapped on the I-shaped wheel shape handwheel; On every steel cable track, also be provided with an introducer of I-shaped wheel shape pulley being introduced track, introducer comprises, salient at the base plate of convex shape arranges a steel cable track perforation, respectively there is a bearing seat at two ends at the base plate of convex shape, an I-beam wheel is installed on each bearing seat, axial and the salient of this I-beam wheel in the same way, introducer be positioned at uppermost I-shaped wheel shape pulley above, two convex tracks on the channel-section steel enter respectively in the spill of two I-beam wheel, and namely introducer rides on the secondary track; After the steel cable track passes through first the fixed pulley of channel suspending rail upper end after out from I-shaped wheel shape handwheel, pass successively again in the Baltimore groove of the steel cable track perforation on the introducer, top-down some I-shaped wheel shape pulleys, the end of steel cable track is suspension hook, and suspension hook cooperates with the ground stay hook.After shift-out mechanism is moved to the car cabin two hatch and leans out the building edge fully, need to put down first four steel cable tracks also fixing to ground, specifically shake four I-shaped wheel shape handwheels, four steel cable tracks fall to the stay hook on ground earthward, the suspension hook of steel cable track end is colluded on the stay hook on ground, this moment, the steel cable track was in the enclosure space of the spill of I-shaped wheel shape pulley and formation at the bottom of the channel-section steel, limited the drift of steel cable track.
In the car traction system, said drive wheel key is connected on the main shaft.A deceleration damping arrangement comprises carries high-revolving change-speed box and loadwheel, and loadwheel is installed on the bearing seat of output shaft of this change-speed box; The peripheral band of loadwheel is axially taken turns eaves, and loadwheel comprises that also the center of circle of two fan-shaped friction linings overlaps staggered relatively being installed on the friction bar, and by up and down two extension springs connections; The outline of friction bar is just in time filled up in the space that forms between two fan-shaped friction linings, and friction bar key is connected on the output shaft of change-speed box, and two fan-shaped friction lining outward flanges are gapped with the wheel eaves; The input axle key of change-speed box connects input gear, input gear with main shaft on the gear that is connected mesh.When the main shaft rotative speed is cage descending speed when normal, friction bar and two friction lining rotating speeds are normal, and two friction linings are under the effect of tension spring tension, and two friction linings are stuck on the friction bar, and this moment, loadwheel kept static at bearing seat; When the main shaft rotative speed is the cage descending excessive velocities, through making the friction bar improve rotating speed behind the change-speed box, two fan-shaped friction linings overcome extension spring under the effect of centnifugal force pulling force is shifted to the wheel eaves, with the friction of wheel eaves, drive loadwheel and add rotation, the load that has strengthened system has limited the rising of output shaft rotating speed, and then the lasting rising of the rotating speed that has limited main shaft, rotating speed is lowered.
In the car traction system, the layout of fixing two pairs of movable pulleys on said each car roof is that two pairs of movable pulleys are crossing distribution.Can guarantee car maintenance level in lifting process.
Put in advance the device of next car.Non-operating state of the present utility model (when namely not using) is: two cars are still in the car cabin simultaneously; Running state of the present utility model is: one of two car upper, one lower, they are counterweight each other.Therefore after the utility model needs first one of them A car to be put into ground, just can enter running state before operation.The device that puts down in advance car comprises, the input gear of the change-speed box in the strong A gear that connects of the axle of the line storage wheel in the car traction system, A gear and B deceleration damping arrangement (identical with A deceleration damping arrangement) meshes.
The device of putting in advance next car also comprises and manually boots switch: two cars are respectively established one and are manually booted switch, each manually boots switch and comprises, an inverted L-shaped car hook is set at the top of each car, a hinged lever J-shaped car cabin hook on the car cabin, the hook-type of car hook and car cabin hook two hooks and position are corresponding, the point articulated connecting rod of the resistance of lever push rod, the power point of another termination lever J-shaped car cabin hook of connecting rod.When the utility model was not worked at ordinary times, each car hook and car cabin hook two hooks linked, and are fixed in the car cabin.
After the suspension hook of four steel cable track end colludes on the stay hook on ground, need first the A car to be put down, be the lower end of lever push rod to the power point of the lever push rod of extrapolation A car at first specifically, the power point that the upper end of lever push rod pushes inward connecting rod and car cabin hook successively is the upper end, car cabin hook outwards shifts out, and breaks away from the car hook.At this moment the A car is under Action of Gravity Field, and the I-shaped wheel shape pulley of its both sides is along the channel suspending rail down sliding, and when I-shaped wheel shape pulley disengaging channel suspending rail, introducer is blocked same by the dovetail form of channel-section steel, does not continue to fall thereupon.I-shaped wheel shape pulley glides until ground when continuing along two steel cable tracks.In the whole process that the A car falls, its line storage wheel rotation unwrapping wire, the input gear of the change-speed box in the A gear drive B deceleration damping arrangement on the line storage wheel axle, the work of B deceleration damping arrangement prevents A cage descending excessive velocities.Another purpose that setting manually boots switch is to prevent maloperation, and car is arbitrarily fallen.
When the B car has loaded when taking refuge personnel descending, the A car is up.When the A car goes upward to the lower port of channel suspending rail, to stay the introducer of the lower port of channel suspending rail and the I-shape pulley of A car both sides is introduced in the groove of channel suspending rail, the A car enters behind the channel suspending rail its top and heads on introducer and continue to be up to its car cabin.The B cage operation is as the same.
For realizing safe operation, the utility model also is provided with retarding brake device, specifically, any fixed pulley in the car traction system arranges a speed gage, the two key of said fixed pulley and axle thereof connects, fixed pulley axis and bearing inner sleeve flush fit, bearing is rack-mount, axle drive shaft and the fixed pulley axis of speed gage are rigidly connected, set speed limit scale and brake scale on the rotating speed dial plate, the speed limit scale is fixed a speed limit dry-reed tube less than the brake scale at the speed limit scale, the brake scale fix one the brake dry-reed tube, on the speed gage index with magnet; At main shaft a large-sized DC magnet stopper is installed, because its braking force is large, as brake actuator; A small-sized DC magnet stopper also is installed, because its braking force is little, as velocity limiter on main shaft; The speed limit dry-reed tube is received in the control circuit that the small-sized DC magnet stopper is velocity limiter as switch, and the brake dry-reed tube is received in the control circuit that the large-sized DC magnet stopper is brake actuator as switch.Reached the speed limit of setting when spindle speed, during with the pointed speed limit scale of magnet, main shaft is embraced in the action of speed limit dry-reed tube after the velocity limiter dead electricity, spindle speed is lowered on the speed gage.When system occur unusual, when anti-the liter do not fall in spindle speed, pointed brake scale, the action of brake dry-reed tube is moved after the brake actuator dead electricity, with main shaft locking, system shutdown.
Building floor choosing device comprises, main shaft drives leading screw by chain transmission system, along leading screw some travel switches axially are set, in the control circuit of all travel switches access in parallel brake actuator; At leading screw nut is set, as the collision block of all travel switches, nut moves through the distance of adjacent two travel switches at leading screw, and corresponding car is through the distance of adjacent two floors, the quantity of travel switch equates with number of floor levels, i.e. the corresponding floor of travel switch.Stop ladder by selected certain layer of button, corresponding travel switch is received signal, and when collision block walked to the trip switch and collides, the trip switch motion was moved after the brake actuator dead electricity, and with the main shaft locking, car stops at selected layer.
Compared with prior art, good effect of the present utility model is: it provides the complete high-rise rescue elevator machine of non-wound form, has passed through facts have proved, and has been provided with the multilayer proofing measure, has greatly improved reliability, safety, traveling comfort and practicality.
[description of drawings]
Fig. 1 is the schematic diagram of the utility model when static.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that the A of Fig. 1 is to view.
Fig. 4 is the B-B section-drawing of Fig. 3.
Fig. 5 is the schematic diagram of the left car among Fig. 2.
Fig. 6 is D section enlarged drawing among Fig. 5.
Fig. 7 is the birds-eye view of Fig. 6.
Fig. 8 is C section enlarged drawing among Fig. 5.
Fig. 9 is the right elevation of Fig. 8.
Figure 10 is the upward view of Fig. 9.
Figure 11 is the E section enlarged drawing of Fig. 2.
Figure 12 is the longitudinal sectional view of the A deceleration damping arrangement 25 among Figure 11.
Figure 13 is that the F of Figure 12 is to view.
Figure 14 is that the G of Fig. 5 is to view.
Figure 15 is the schematic diagram of retarding brake device.
Figure 16 is the building floor choosing device schematic diagram.
[specific embodiment]
The utility model comprises:
One, car cabin shift-out mechanism, specifically: be car cabin framework 2 above (referring to Fig. 1-2) pedestal 1, two car cabins 3 about the framework partition of car cabin arrange a car 5 in each car cabin, establish hatch 6 below the car cabin, become the gangway of car; It is vertical with left and right directions that car bilge section arranges three the longitudinal rail 7(in left, center, right), be rigidly connected between all longitudinal rails, at the upper surface setting of the pedestal vertical assembly pulley 8 corresponding with guide rail, namely a longitudinal rail is placed on the vertical assembly pulley of row; Referring to Fig. 3-4, the input shaft of the rotating shaft 10 key connecting handle reductors 11 of handle 9, the output axle key of handle reductor connects the axle of the first sprocket wheel 12, handle, handle reductor and the first sprocket wheel are installed on the handle frame 13, locate respectively to install a left sprocket wheel 14 and right sprocket wheel 15 about the handle frame front end, handle frame is installed on the pedestal, and left and right sides sprocket wheel is identical, and less than the first sprocket wheel; The walking chain 17 front-end and back-end be fixed on the intermediate rail, the walking chain interlude successively with left sprocket wheel, the first sprocket wheel and right sprocket engagement; Pedestal is fixed on the edge of building top layer platform.Portable car cabin is placed on the pedestal at ordinary times.When needing rescue, crank handle, outwards (left) walking of the first chain wheel drive walking chain, guide rail is in thereupon outwards walking of assembly pulley, and portable car cabin outwards is moved to two hatch and leans out the building edge fully, prepares for putting down car.Rescue finishes, reverse jiggle bar, and portable car cabin moves on the pedestal inwards.
Two, prevent the device of steel cable track and car drift.When car moves up and down track need to be set.The utility model is as a kind of emergency and rescue equipment, do not belong to common equipment, therefore the utility model can not arrange the fixed type rigid track for car, the soft track of rollable can only be set, produce drift for preventing that this soft track and car are in operation, the utility model being provided with prevents that soft track from being the device of steel cable track and car drift, specifically: (referring to Fig. 5-7) each fixes a channel-section steel 18 in the both sides in each car cabin, the lower end of each channel-section steel is dovetail form 181, the groove of two channel-section steels is relatively as channel suspending rail, in the every side in the both sides of each car by fixing up and down three I-shaped wheel shape pulleys 19, all I-shaped wheel shape pulleys are walked in the groove of channel-section steel, form the space of sealing at the bottom of the spill of I-shaped wheel shape pulley and channel-section steel; Each fixes a convex track 182 in the outside of two cell walls of each channel-section steel, is secondary track; Each fixes an I-shaped wheel shape handwheel 20 in the outside of the bottom land of each channel-section steel, and the top of steel cable track 21 is fixed and is wrapped on the I-shaped wheel shape handwheel; On every steel cable track, also be provided with an introducer 22 of I-shaped wheel shape pulley being introduced track, referring to Fig. 8-10, introducer comprises, salient at the base plate 221 of convex shape arranges a steel cable track perforation 222, respectively there is a bearing seat 223 at two ends at the base plate of convex shape, an I-beam wheel 224 is installed on each bearing seat, axial and the salient of this I-beam wheel in the same way, introducer be positioned at uppermost I-shaped wheel shape pulley above, two convex tracks 182 on the channel-section steel enter respectively in the spill of two I-beam wheel, and namely introducer rides on the secondary track; After the steel cable track passes through first the fixed pulley 23 of channel suspending rail upper end after out from I-shaped wheel shape handwheel, pass successively again in the Baltimore groove of the steel cable track perforation on the introducer, top-down three I-shaped wheel shape pulleys, the end of steel cable track is suspension hook 211, and suspension hook cooperates with the ground stay hook.After shift-out mechanism is moved to the car cabin two hatch and leans out the building edge fully, need to put down first four steel cable tracks also fixing to ground, specifically shake four I-shaped wheel shape handwheels, four steel cable tracks fall to the stay hook on ground earthward, the suspension hook of steel cable track end is colluded on the stay hook on ground, this moment, the steel cable track was in the enclosure space of the spill of I-shaped wheel shape pulley and formation at the bottom of the channel-section steel, limited the drift of steel cable track.
Three, in the car traction system, said drive wheel 24 keys are connected on the main shaft.Referring to Figure 11-13, A deceleration damping arrangement 25 comprises carries high-revolving change-speed box 26 and loadwheel 27, and loadwheel is installed in bearing 263 outer the putting on the output shaft 261 of this change-speed box; The peripheral band of loadwheel is axially taken turns eaves 271, and loadwheel also comprises, the center of circle of two fan-shaped friction linings 272 overlaps staggered relatively being installed on the friction bar 274, and is connected by two extension springs 273 up and down; The outline of friction bar is just in time filled up in the space that forms between two fan-shaped friction linings, and friction bar key is connected on the output shaft of change-speed box, and two fan-shaped friction lining outward flanges are gapped with the wheel eaves; Input shaft 262 keys of change-speed box connect input gear 28, and input gear meshes with the gear 30 that is connected on the main shaft 29.When the main shaft rotative speed is cage descending speed when normal, friction bar and two friction lining rotating speeds are normal, and two friction linings are under the effect of tension spring tension, and two friction linings are stuck on the friction bar, and this moment, loadwheel kept static at bearing seat; When the main shaft rotative speed is the cage descending excessive velocities, through making the friction bar improve rotating speed behind the change-speed box, two fan-shaped friction linings overcome extension spring under the effect of centnifugal force pulling force is shifted to the wheel eaves, with the friction of wheel eaves, drive loadwheel and add rotation, the load that has strengthened system has limited the rising of output shaft rotating speed, and then the lasting rising of the rotating speed that has limited main shaft, rotating speed is lowered.
Four, in the car traction system, the layout of fixing two pairs of movable pulleys on said each car roof is that two pairs of movable pulleys 4 are crossing distribution (referring to Figure 14).Can guarantee car maintenance level in lifting process.
Five, put in advance the device of next car.Non-operating state of the present utility model (when namely not using) is: two cars are still in the car cabin simultaneously; Running state of the present utility model is: one of two car upper, one lower, they are counterweight each other.Therefore after the utility model needs first one of them car to be put into ground, just can enter running state before operation.
Referring to Figure 11, the device of putting in advance next car comprises, the strong A gear 32 that connects of the axle of the line storage wheel 31 in the car traction system, the A gear is identical with A deceleration damping arrangement with B deceleration damping arrangement 33() in the input gear of change-speed box mesh.The device of putting in advance next car also comprises and manually boots switch: two cars are respectively established one and are manually booted switch, each manually boots switch and comprises, an inverted L-shaped car hook 34 is set at the top of each car, a hinged lever J-shaped car cabin hook 35 on the car cabin, the hook-type of car hook and car cabin hook two hooks and position are corresponding, the point articulated connecting rod 37 of the resistance of lever push rod 36, the power point of another termination lever J-shaped car cabin hook of connecting rod.When the utility model was not worked at ordinary times, each car hook and car cabin hook two hooks linked, and are fixed in the car cabin.
After the suspension hook of four steel cable track end colludes on the stay hook on ground, need first the A car to be put down, be the lower end of lever push rod to the power point of the lever push rod of extrapolation A car at first specifically, the power point that the upper end of lever push rod pushes inward connecting rod and car cabin hook successively is the upper end, car cabin hook outwards shifts out, and breaks away from the car hook.At this moment the A car is under Action of Gravity Field, and the I-shaped wheel shape pulley of its both sides is along the channel suspending rail down sliding, and when I-shaped wheel shape pulley disengaging channel suspending rail, introducer is blocked same by the dovetail form of channel-section steel, does not continue to fall thereupon.I-shaped wheel shape pulley glides until ground when continuing along two steel cable tracks.In the whole process that the A car falls, its line storage wheel rotation unwrapping wire, the input gear of the change-speed box in the A gear drive B deceleration damping arrangement on the line storage wheel axle, the work of B deceleration damping arrangement prevents A cage descending excessive velocities.Another purpose that setting manually boots switch is to prevent maloperation, and car is arbitrarily fallen.
When the B car has loaded when taking refuge personnel descending, the A car is up.When the A car goes upward to the lower port of channel suspending rail, to stay the introducer of the lower port of channel suspending rail and the I-shape pulley of A car both sides is introduced in the groove of channel suspending rail, the A car enters behind the channel suspending rail its top and heads on introducer and continue to be up to its car cabin.The B cage operation is as the same.
Six, for realizing safe operation, the utility model also is provided with retarding brake device, specifically, (referring to Figure 15) any fixed pulley 38 in the car traction system arranges a speed gage 39, said fixed pulley is connected the two key and is connected with fixed pulley axis, fixed pulley axis and bearing 41 inner sleeve flush fits, bearing is rack-mount, axle drive shaft 391 and the fixed pulley axis of speed gage are rigidly connected, set speed limit scale and brake scale on the rotating speed dial plate, the speed limit scale is fixed a speed limit dry-reed tube 42 less than the brake scale at the speed limit scale, the brake scale fix one the brake dry-reed tube 43, on the speed gage index 44 with magnet; (referring to Figure 16) installs a large-sized DC magnet stopper 45 at main shaft 29, because its braking force is large, as brake actuator; A small-sized DC magnet stopper 46 also is installed, because its braking force is little, as velocity limiter on main shaft 29; The speed limit dry-reed tube is received in the control circuit that the small-sized DC magnet stopper is velocity limiter as switch, and the brake dry-reed tube is received in the control circuit that the large-sized DC magnet stopper is brake actuator as switch.Reached the speed limit of setting when spindle speed, during with the pointed speed limit scale of magnet, main shaft is embraced in the action of speed limit dry-reed tube after the velocity limiter dead electricity, spindle speed is lowered on the speed gage.When system occur unusual, when anti-the liter do not fall in spindle speed, pointed brake scale, the action of brake dry-reed tube is moved after the brake actuator dead electricity, with main shaft locking, system shutdown.
Seven, building floor choosing device comprises (referring to Figure 16), and main shaft 29 drives leading screw 48 by chain transmission system 47, along the some travel switches 49 of axially arranging of leading screw, in the control circuit of all travel switches access in parallel brake actuator; At leading screw nut 50 is set, as the collision block of all travel switches, nut moves through the distance of adjacent two travel switches at leading screw, and corresponding car is through the distance of adjacent two floors, the quantity of travel switch equates with number of floor levels, i.e. the corresponding floor of travel switch.Stop ladder by selected certain layer of button, corresponding travel switch is received signal, and when collision block walked to the trip switch and collides, the trip switch motion was moved after the brake actuator dead electricity, and with the main shaft locking, car stops at selected layer.
Claims (1)
1. the device of the high-rise rescue elevator machine of non-wound form speed limit brake, it is characterized in that: it is included on any fixed pulley in the car traction system speed gage is set, the two key of said fixed pulley and axle thereof connects, fixed pulley axis and bearing inner sleeve flush fit, bearing is rack-mount, axle drive shaft and the fixed pulley axis of speed gage are rigidly connected, set speed limit scale and brake scale on the rotating speed dial plate, the speed limit scale is less than the brake scale, fix a speed limit dry-reed tube at the speed limit scale, the brake scale fix one the brake dry-reed tube, on the speed gage index with magnet; At main shaft a large-sized DC magnet stopper is installed, because its braking force is large, as brake actuator; A small-sized DC magnet stopper also is installed, because its braking force is little, as velocity limiter on main shaft; The speed limit dry-reed tube is received in the control circuit that the small-sized DC magnet stopper is velocity limiter as switch, and the brake dry-reed tube is received in the control circuit that the large-sized DC magnet stopper is brake actuator as switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356109 CN202687701U (en) | 2012-07-23 | 2012-07-23 | Velocity limiting and braking device for non-winding type high-rise rescue lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356109 CN202687701U (en) | 2012-07-23 | 2012-07-23 | Velocity limiting and braking device for non-winding type high-rise rescue lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202687701U true CN202687701U (en) | 2013-01-23 |
Family
ID=47543349
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220356109 Expired - Lifetime CN202687701U (en) | 2012-07-23 | 2012-07-23 | Velocity limiting and braking device for non-winding type high-rise rescue lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202687701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566491A (en) * | 2013-11-19 | 2014-02-12 | 刘广天 | Individual high-rise escaping device |
-
2012
- 2012-07-23 CN CN 201220356109 patent/CN202687701U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566491A (en) * | 2013-11-19 | 2014-02-12 | 刘广天 | Individual high-rise escaping device |
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