CN112027852B - Safety device of elevator in wisdom community - Google Patents
Safety device of elevator in wisdom community Download PDFInfo
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- CN112027852B CN112027852B CN202011023138.5A CN202011023138A CN112027852B CN 112027852 B CN112027852 B CN 112027852B CN 202011023138 A CN202011023138 A CN 202011023138A CN 112027852 B CN112027852 B CN 112027852B
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- transverse plate
- buffer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
- B66B5/125—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to a safety protection device of an elevator in an intelligent community, which comprises an elevator cage, an elevator shaft, a connecting frame plate, a driven wheel, a traction steel wire rope, a dragging wheel, a counterweight and a supporting transverse plate, wherein the supporting transverse plate is fixedly arranged in the elevator shaft; according to the elevator car, the existing car elevator is improved, and the protection components are arranged at the top, the bottom and the side parts of the car, so that after the traction steel wire rope is broken, the car can be prevented from falling off by the aid of the protection components, and safety risks can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of intelligent community equipment, in particular to a safety protection device for an elevator in an intelligent community.
Background
Along with the rapid development of economy and the continuous deepening of urbanization, the number of high-rise buildings in China increases year by year, and an elevator becomes a necessary tool for carrying people and goods in the high-rise buildings. The basic principle of the elevator with the car is traction driving, the car and the counterweight are connected by a traction steel wire rope, the traction steel wire rope is hung on a traction wheel, the traction wheel is dragged by a traction motor, so that the traction steel wire rope hung on the traction wheel moves under the action of friction force, and then the car is driven to lift. In order to ensure that the elevator can be accurately leveled and reliably stopped, the elevator is also provided with a band-type brake system, and the car can be reliably stopped by the friction force between the brake shoe and the hub when the elevator is stopped. After the elevator is used for a long time, due to mechanical abrasion and the like, the traction steel wire rope and the traction sheave are abraded to different degrees, so that the traction force is weakened, and the braking force is reduced due to abrasion between the brake shoe and the hub. In the actual use process, the traction steel wire rope is easy to break along with the aggravation of abrasion and the overweight of the load when the lift car is lifted, so that the lift car can also fall.
In order to solve the problems, the invention provides a safety protection device of an elevator in an intelligent community.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to the practical needs and provide a safety protection device for an elevator in an intelligent community so as to solve the technical problem.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a safety protection device for an elevator in a smart community comprises an elevator cage, an elevator shaft, a connecting frame plate, a driven wheel, a traction steel wire rope, a traction wheel, a counterweight and a supporting transverse plate, wherein the supporting transverse plate is fixedly arranged in the elevator shaft, the elevator cage is arranged in the elevator shaft, two ends of the traction steel wire rope are respectively connected to the lower end face of the supporting transverse plate and the upper end face of the counterweight, the traction steel wire rope sequentially bypasses the driven wheel and the traction wheel, the driven wheel is rotatably arranged on the connecting frame plate on the top plate of the elevator cage, the traction wheel is arranged on the supporting transverse plate, side position protection components are arranged on two sides of the elevator cage, the upper end of each side position protection component is arranged on the lower end face of the supporting transverse plate, a bottom protection component is arranged at the lower end of the elevator cage, and the bottom protection component is arranged between the two side position protection components;
the upper end of the connecting frame plate is connected with one end of an auxiliary traction mechanism, and the other end of the auxiliary traction mechanism is connected to the upper end face of the counterweight;
tow the outer movable sleeve of wire rope and be equipped with the lantern ring, and the lateral wall of the lantern ring is connected with the carriage release lever No. two, No. two carriage release lever activities are pegged graft on a riser, and a riser is fixed to be set up on the lower terminal surface of bearing diaphragm, the winding is connected with reset spring on No. two carriage release levers, and reset spring's both ends are connected respectively on the lateral wall of No. two carriage release levers and a riser, No. two carriage release levers's free end is connected with an electrode contact, be provided with in the elevartor shaft with No. two electrode contacts of an electrode contact assorted, and No. two electrode contacts connect on the lateral wall of No. two risers, No. two risers are fixed to be set up on the lower terminal surface of bearing diaphragm.
Furthermore, supplementary drive mechanism includes supplementary traction steel cable, fixed pulley and No. two fixed pulleys, a fixed pulley and No. two fixed pulleys all rotate to set up on the lower terminal surface of bearing diaphragm, supplementary traction steel cable is walked around outside fixed pulley and No. two fixed pulleys in proper order.
Further, the side position protection component comprises a vertical sliding groove and a sliding pipe, the vertical sliding groove is fixedly arranged on the lower end face of the supporting transverse plate, the sliding pipe is movably sleeved outside the vertical sliding groove, the sliding pipe is connected with a connecting plate, the free end of the connecting plate is connected to the outer side wall of the elevator cage, the connecting plate is fixedly sleeved outside a supporting fixed pipe, the supporting fixed pipe is connected with an iron pipe, a first locking plate is movably inserted in the iron pipe, the upper end of the first locking plate is connected with a first electromagnet, the side wall of the first electromagnet is connected with an L-shaped connecting rod, the free end of the L-shaped connecting rod is connected to the side wall of an upper fixed block, the lower end face of the upper fixed block is connected with a guide component, the lower end of the guide component is connected to the upper end face of a lower fixed block, the lower fixed block is fixedly arranged on the outer side wall of the supporting fixed pipe, a plurality of locking holes are formed in the inner bottom wall of the vertical sliding groove, and the locking holes are matched with the first locking plate.
Furthermore, one end of the iron pipe close to the first electromagnet is connected with a buffer rubber pad.
Further, the guide assembly comprises a guide rod, a guide spring and a guide cylinder, the guide rod is movably inserted into the guide cylinder, the guide spring is wound on the guide rod, and two ends of the guide spring are respectively connected to the side wall of the guide rod and the outer side wall of the guide cylinder.
Furthermore, a plurality of locking holes are arranged on the vertical center line of the locking holes, a gap exists between every two adjacent locking holes, and the distance of the gap is less than 0.5 cm.
Furthermore, be connected with the sliding block No. one on the inside wall of sliding tube, and the sliding block slip setting is in perpendicular sliding tray.
Furthermore, the bottom protection component comprises a connecting seat and a pushing rod, the connecting seat is fixedly arranged on the upper end surface of the connecting transverse plate, the lower end of the pushing rod is connected on the connecting seat, the pushing rod movably extends into the buffer mechanism, the buffer mechanism is fixedly arranged on the lower end surface of the elevator cage, two ends of the connecting transverse plate are both connected with a second sliding block, the second sliding block is slidably arranged in the vertical sliding groove, the second sliding block and the connecting transverse plate are provided with a same sliding groove, a sliding iron block is slidably arranged in the sliding groove, the side wall of the sliding iron block is connected with a connecting spring, the free end of the connecting spring is connected on the side wall of the sliding groove, one end of the sliding iron block, far away from the connecting spring, is connected with a second locking plate, the second locking plate is movably inserted in the supporting tube, and the supporting tube is fixedly arranged in the sliding groove, one end of the supporting tube, which is close to the sliding iron block, is connected with a second electromagnet, and the second locking plate is arranged in a matching way with the locking hole.
Further, the buffer mechanism comprises a buffer box and a buffer spring, the buffer spring is fixedly arranged on the inner top wall of the buffer box, the free end of the buffer spring is connected with the upper end of the push rod, the push rod is movably inserted on the bottom plate of the buffer box, the side wall of the push rod is connected with a transverse plate, the upper end of the transverse plate is connected with a first moving rod, the first moving rod movably extends into a sealing box, the sealing box is fixedly arranged on the inner top wall of the buffer box, the upper end of the first moving rod is connected with a piston, the piston is movably arranged in the seal box, the lower end of the transverse plate is connected with one end of a pull rope, the other end of the pull rope is wound and connected on a rotating rod, the two ends of the rotating rod are both rotatably arranged in the buffer box, and the dwang external fixation cover is equipped with the carousel, the winding is connected with the one end of rubber band on the circumference of carousel, and the other end fixed connection of rubber band is on the interior diapire of baffle-box.
Furthermore, a sealing rubber sleeve is fixedly sleeved on the circumference of the piston.
(3) Has the advantages that:
A. according to the elevator car, the existing car elevator is improved, and the protection components are arranged at the top, the bottom and the side parts of the car, so that after the traction steel wire rope is broken, the car can be prevented from falling off by the aid of the protection components, and safety risks can be effectively avoided.
B. In the invention, the auxiliary traction mechanism is arranged at the top of the elevator cage, and the motion process of the auxiliary traction mechanism and the motion of the traction steel wire rope and the counterweight are synchronously carried out, so that the auxiliary traction mechanism can not act when the traction steel wire rope and the counterweight are in traction lifting in the elevator cage, and the auxiliary traction mechanism can not act until the traction steel wire rope is broken, thereby playing a role of assisting in traction of the elevator cage, further avoiding the elevator cage from falling, and effectively avoiding the occurrence of safety accidents.
C. The combined structure of the lantern ring, the second moving rod, the first vertical plate, the reset spring, the first electrode contact piece, the second electrode contact piece and the second vertical plate is additionally arranged and used for controlling the switch of the series circuit, the specific work is related to the state of a traction steel wire rope, when the traction steel wire rope is broken, the first electrode contact piece and the second electrode contact piece are driven by the reset spring to be in mutual contact, so that the series circuit is connected, the side protection assembly and the bottom protection assembly can lock an elevator cage, and the elevator cage is prevented from falling; when dragging wire rope and not breaking, No. one electrode contact and No. two electrode contacts can not contact together, and series circuit can not work, and locking process just can not take place yet to side position protection component and bottom protection component.
D. The side protection component and the bottom protection component are additionally arranged, the combined structure can lock the elevator cage from the side and the bottom, so that the elevator cage can be effectively prevented from falling, and whether the combined structure works or not needs to work in cooperation with the series circuit controlled by the first electrode contact and the second electrode contact, so that the side protection component and the bottom protection component can timely protect the elevator cage from falling off in the actual working process, and the side protection component and the bottom protection component can not work when the elevator cage normally moves, so that the resource is saved.
E. In-process of locking elevator railway carriage or compartment through bottom protective assembly, in the twinkling of an eye of locking, elevator railway carriage or compartment is under inertial effect, there is decurrent impact force, the existence of this impact force, can lead to the fact the damage to lateral position protective assembly and bottom protective assembly, in order to weaken the damage that the pole impact force led to the fact equipment, buffer gear has been add in bottom protective assembly, this buffer gear's setting, can effectively be to the buffering of impact force, thereby can reach the effect to equipment protection, and then the life of extension equipment.
F. When the buffer mechanism plays a buffer role, the efficient buffer effect is achieved through three specific buffer processes, specifically, at the moment of locking, the push rod can move into the buffer box, the buffer spring can be compressed due to the movement of the push rod, and meanwhile, the piston can be driven to move in the seal box through the moving rod, so that the air pressure in the seal box is changed, the pull rope can be pulled to move upwards, the pull rope can be pulled to move, the rotating rod and the turntable can be pulled to rotate in a combined mode, so that the rubber band can be wound, and the effect of buffering impact force is achieved under the action of the elastic force of the rubber band.
Drawings
Fig. 1 is a schematic front view of an embodiment of a safety protection device of an elevator in a smart community;
FIG. 2 is a schematic perspective view of the safety protection device of an elevator in the intelligent community of the present invention, illustrating a side protection component in FIG. 1;
fig. 3 is an enlarged schematic view of the structure a in fig. 2 of the safety device of the elevator in the intelligent community;
FIG. 4 is a schematic perspective view of the bottom protection component of the safety protection device of an elevator in the intelligent community of the present invention shown in FIG. 1;
fig. 5 is an enlarged schematic view of the structure B in fig. 4 of the safety protection device of the elevator in the intelligent community;
FIG. 6 is an enlarged schematic view of the safety protection device of an elevator in the intelligent community of the present invention, showing the inside of the buffering mechanism and the cutting structure in FIG. 4;
fig. 7 is an enlarged schematic view of the structure C in fig. 1 of the safety protection device of the elevator in the intelligent community.
The reference numbers are as follows:
elevator cage 1, elevator shaft 2, connecting frame plate 3, driven wheel 4, hoisting steel wire rope 5, dragging wheel 6, counterweight 7, auxiliary traction mechanism 8, auxiliary traction steel rope 81, fixed pulley 82, fixed pulley 83, supporting transverse plate 9, side position protection component 10, vertical sliding groove 101, sliding tube 102, connecting plate 103, sliding block 104, locking plate 105, locking hole 106, iron tube 107, cushion rubber pad 108, supporting fixing tube 109, electromagnet 1010, L-shaped connecting rod 1011, upper fixing block 1012, guide rod 1013, guide spring 1014, guide cylinder 1015, lower fixing block 1016, bottom protection component 11, connecting seat 111, push rod 112, buffer mechanism 113, buffer box 1131, buffer spring 1132, transverse plate 1133, moving rod 1134, seal box 1135, piston 1136, seal rubber sleeve 1137, pull rope 1138, 1139, rotary disc 11310, rubber band 11311, buffer spring 1133, transverse plate 1133, moving rod 1134, seal box 1135, piston 1137, seal rubber sleeve rotating rod 1138, pull rope 1139, rotary disc 11310, guide spring 11311, and the like, Connecting transverse plate 114, sliding groove 115, sliding iron block 116, connecting spring 117, No. two locking plates 118, supporting pipe 119, No. two electromagnets 1110, No. two sliding blocks 1111, lantern ring 12, No. two moving rods 13, No. one vertical plate 14, return spring 15, No. one electrode contact piece 16, No. two electrode contact pieces 17 and No. two vertical plates 18.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 7 and examples:
a safety protection device of an elevator in a smart community comprises an elevator cage 1, an elevator shaft 2, a connecting frame plate 3, a driven wheel 4, a traction steel wire rope 5, a traction wheel 6, a counterweight 7 and a bearing transverse plate 9, wherein the bearing transverse plate 9 is fixedly arranged in the elevator shaft 2, the elevator cage 1 is arranged in the elevator shaft 2, two ends of the traction steel wire rope 5 are respectively connected to the lower end surface of the bearing transverse plate 9 and the upper end surface of the counterweight 7, the traction steel wire rope 5 sequentially bypasses the driven wheel 4 and the traction wheel 6, the driven wheel 4 is rotatably arranged on the connecting frame plate 3 on the top plate of the elevator cage 1, the traction wheel 6 is arranged on the bearing transverse plate 9, side position protection components 10 are respectively arranged at two sides of the elevator cage 1, the upper end of each side position protection component 10 is arranged on the lower end surface of the bearing transverse plate 9, a bottom position protection component 11 is arranged at the lower end of the elevator cage 1, and the bottom position protection component 11 is arranged between the two side position protection components 10, in this embodiment, the combined structure of the side protection component 10 and the bottom protection component 11 is added, the combined structure is arranged, the elevator cage 1 can be locked from the side and the bottom, so that the elevator cage 1 can be effectively prevented from falling, and whether the combined structure works or not needs to work in cooperation with the series circuit controlled by the first electrode contact 16 and the second electrode contact 17, so that in the actual working process, when the elevator cage 1 falls, the side protection component 10 and the bottom protection component 11 can timely protect the elevator cage, and when the elevator cage 1 normally moves, the side protection component 10 and the bottom protection component 11 do not work, and the achieved effect of saving resources is achieved.
The upper end of connecting frame plate 3 is connected with the one end of auxiliary traction mechanism 8, and the other end of auxiliary traction mechanism 8 is connected on the up end to 7, auxiliary traction mechanism 8 has been set up at elevator railway carriage or compartment 1's top, auxiliary traction mechanism 8's motion process and tow wire rope 5 and to 7 movements to 7, go on in step, when towing wire rope 5 and to 7 at elevator railway carriage or compartment 1 and pulling the lift like this, auxiliary traction mechanism 8 can not play a role, when towing wire rope 5 and breaking, auxiliary traction mechanism 8 just can play a role, thereby can play the supplementary effect of towing elevator railway carriage or compartment 1, and then can avoid elevator railway carriage or compartment 1 to take place to drop, can effectively avoid the emergence of incident like this.
The outer movable sleeve of the traction steel wire rope 5 is provided with a lantern ring 12, the outer side wall of the lantern ring 12 is connected with a second moving rod 13, the second moving rod 13 is movably inserted on a first vertical plate 14, the first vertical plate 14 is fixedly arranged on the lower end face of the bearing transverse plate 9, a reset spring 15 is wound and connected on the second moving rod 13, two ends of the reset spring 15 are respectively connected on the side walls of the second moving rod 13 and the first vertical plate 14, the free end of the second moving rod 13 is connected with a first electrode contact piece 16, a second electrode contact piece 17 matched with the first electrode contact piece 16 is arranged in the elevator shaft 2, the second electrode contact piece 17 is connected on the side wall of the second vertical plate 18, the second vertical plate 18 is fixedly arranged on the lower end face of the bearing transverse plate 9, the lantern ring 12, the second moving rod 13, the first vertical plate 14, the reset spring 15, the first electrode contact piece 16, the combined structure of the second electrode contact piece 17 and the second vertical plate 18, the combined structure is used for controlling the switch of the series circuit, the specific work is related to the state of the traction steel wire rope 5, when the traction steel wire rope 5 is broken, the first electrode contact piece 16 and the second electrode contact piece 17 are driven by the reset spring 15 to be contacted with each other, so that the series circuit is switched on, the side position protection component 10 and the bottom protection component 11 are enabled to play a role in locking the elevator cage 1, and the elevator cage 1 is prevented from falling; when the traction steel wire rope 5 is not broken, the first electrode contact 16 and the second electrode contact 17 are not contacted together, the series circuit does not work, and the side protection component 10 and the bottom protection component 11 are not locked.
In this embodiment, the auxiliary traction mechanism 8 includes an auxiliary traction steel cable 81, a first fixed pulley 82 and a second fixed pulley 83, the first fixed pulley 82 and the second fixed pulley 83 are rotatably disposed on the lower end surface of the supporting horizontal plate 9, the auxiliary traction steel cable 81 sequentially bypasses the first fixed pulley 82 and the second fixed pulley 83, the auxiliary traction steel cable 81 is set in a loose state in actual design, and compared with the traction steel cable 5, the auxiliary traction steel cable 81 can be prevented from synchronously working while the traction steel cable 5 works, so that abrasion of the auxiliary traction steel cable 81 can be effectively reduced, and after the traction steel cable 5 is broken, the auxiliary traction steel cable 81 can support the elevator car 1.
In this embodiment, the side protection assembly 10 includes a vertical sliding groove 101 and a sliding tube 102, the vertical sliding groove 101 is fixedly disposed on the lower end surface of the supporting transverse plate 9, the sliding tube 102 is movably sleeved outside the vertical sliding groove 101, in the actual design, the number of the sliding tubes 102 disposed on the same vertical sliding groove 101 is at least two, the sliding tube 102 is connected with a connecting plate 103, the free end of the connecting plate 103 is connected to the outer sidewall of the elevator car 1, the connecting plate 103 is fixedly sleeved with a supporting fixing tube 109, the supporting fixing tube 109 is connected with an iron tube 107, a first locking plate 105 is movably inserted in the iron tube 107, the upper end of the first locking plate 105 is connected with a first electromagnet 1010, the sidewall of the first electromagnet 1010 is connected with an L-shaped connecting rod 1011, the free end of the L-shaped connecting rod 1011 is connected to the sidewall of the upper fixing block, the lower end surface of the upper fixing block 1012 is connected with a guiding assembly, the lower end of the guide assembly is connected to the upper end face of the lower fixing block 1016, the lower fixing block 1016 is fixedly arranged on the outer side wall of the supporting and fixing pipe 109, a plurality of locking holes 106 are formed in the inner bottom wall of the vertical sliding groove 101, and the locking holes 106 are matched with the first locking plate 105.
In this embodiment, the one end that iron pipe 107 is close to electro-magnet 1010 is connected with rubber cushion pad 108, and under the appeal effect, the impact can take place in the twinkling of an eye of iron pipe 107 and electro-magnet 1010 contact, and the effect of buffering striking can be effectively played in the setting of rubber cushion pad 108 to reach the effect to equipment protection.
In this embodiment, the guiding assembly includes a guiding rod 1013, a guiding spring 1014 and a guiding cylinder 1015, the guiding rod 1013 is movably inserted into the guiding cylinder 1015, the guiding spring 1014 is wound on the guiding rod 1013, and two ends of the guiding spring 1014 are respectively connected to the side wall of the guiding rod 1013 and the outer side wall of the guiding cylinder 1015, the guiding assembly is configured to play a role of guiding and supporting, so as to ensure that the first locking plate 105 only moves in the same direction, and the guiding assembly is configured to provide a resetting force, and after losing attraction, the driving device can perform a resetting movement through the guiding assembly.
In this embodiment, the plurality of locking holes 106 are disposed on a vertical center line of the locking holes 106, and a gap exists between two adjacent locking holes 106, and the distance of the gap is less than 0.5cm, so that the first locking plate 105 can be ensured to accurately enter the locking holes 106.
In this embodiment, be connected with No. one sliding block 104 on the inside wall of sliding tube 102, and No. one sliding block 104 slides and sets up in vertical sliding groove 101, and the setting of No. one sliding block 104 can make vertical sliding groove 101 and sliding tube 102 take place relative motion, can guarantee more steady of motion, ensures that vertical sliding groove 101 and sliding tube 102 can not take place the slope when moving.
In this embodiment, the bottom protection assembly 11 includes a connection seat 111 and a push rod 112, the connection seat 111 is fixedly disposed on the upper end surface of the connection transverse plate 114, the lower end of the push rod 112 is connected to the connection seat 111, and the activity of the push rod 112 extends into the buffer mechanism 113, the buffer mechanism 113 is fixedly disposed on the lower end surface of the elevator cage 1, two ends of the connection transverse plate 114 are both connected with two sliding blocks 1111, the two sliding blocks 1111 are slidably disposed in the vertical sliding grooves 101, the same sliding grooves 115 are disposed on the two sliding blocks 1111 and the connection transverse plate 114, two sliding grooves 115 are disposed, and the two sliding grooves 115 are respectively disposed at two ends of the connection transverse plate 114, so that when the locking function is performed, the locking function can be performed from two ends; a sliding iron block 116 is arranged in the sliding groove 115 in a sliding mode, the side wall of the sliding iron block 116 is connected with a connecting spring 117, the free end of the connecting spring 117 is connected to the side wall of the sliding groove 115, one end, far away from the connecting spring 117, of the sliding iron block 116 is connected with a second locking plate 118, the second locking plate 118 is movably inserted into a supporting pipe 119, the supporting pipe 119 is fixedly arranged in the sliding groove 115, one end, close to the sliding iron block 116, of the supporting pipe 119 is connected with a second electromagnet 1110, and the second locking plate 118 is matched with the locking hole 106.
In this embodiment, the buffering mechanism 113 includes a buffering box 1131 and a buffering spring 1132, the buffering spring 1132 is fixedly disposed on the inner top wall of the buffering box 1131, and the free end of the buffering spring 1132 is connected to the upper end of the push rod 112, the push rod 112 is movably inserted into the bottom plate of the buffering box 1131, the side wall of the push rod 112 is connected to a transverse plate 1133, the upper end of the transverse plate 1133 is connected to a first moving rod 1134, the first moving rod 1134 movably extends into the sealing box 1135, the sealing box 1135 is fixedly disposed on the inner top wall of the buffering box 1131, the upper end of the first moving rod 1134 is connected to a piston 1136, and the piston 1136 is movably disposed in the sealing box 1135, the lower end of the transverse plate 1133 is connected to one end of a pulling rope 1138, the other end of the pulling rope 1138 is wound and connected to a rotating rod 1139, both ends of the rotating rod 1139 are rotatably disposed in the buffering box 1131, and a rotating disk 11310 is fixedly sleeved outside the rotating disk 11310, one end of a rubber band 11311 is wound and connected to the circumference of the rotating disk 11310, the other end of the rubber band 11311 is fixedly connected to the inner bottom wall of the buffer box 1131.
In this embodiment, the sealing rubber sleeve 1137 is fixedly sleeved on the circumference of the piston 1136, and the sealing performance can be improved by the arrangement of the sealing rubber sleeve 1137.
The specific working principle of the invention is as follows:
when the traction steel wire rope 5 is broken, the locking protection process
After the traction steel wire rope 5 is broken, the lantern ring 12 loses the leftward pulling force, the first electrode contact piece 16 moves to be close to the second electrode contact piece 17 rightwards under the action of the reset spring 15, after the first electrode contact piece 16 is contacted with the second electrode contact piece 17, the series circuit is connected, and the first electromagnet 1010 and the second electromagnet 1110 start to work;
the first electromagnet 1010 is operated to generate attraction force, under the action of the attraction force, the first locking plate 105 is carried by the first electromagnet 1010 to move towards the iron pipe 107, the first locking plate 105 enters the locking hole 106, and a locking process is started, in the moving process, the guide rod 1013 moves towards the guide cylinder 1015, so that the guide spring 1014 is compressed, and after the first electromagnet 1010 loses tension, the first locking plate 105 is reset under the action of the elastic force of the guide spring 1014, so that the first locking plate 105 moves out of the locking hole 106;
the second electromagnet 1110 generates an attractive force, and under the action of the attractive force, the second locking plate 118 is carried by the sliding iron block 116 to move towards the direction close to the second electromagnet 1110, so that the second locking plate 118 enters the locking hole 106, a locking protection process is performed, in the locking process, the connecting spring 117 is stretched, so that the second electromagnet 1110 stops working, after the magnetism of the second electromagnet 1110 is lost, the attractive force of the second electromagnet 1110 to the sliding iron block 116 is lost, and the second locking plate 118 is reset under the action of the tensile force of the connecting spring 117, and the second locking plate 118 moves out of the locking hole 106;
when the traction steel wire rope 5 is broken, the elevator cage 1 can move downwards under the action of self weight, and the movement of the elevator cage 1 can stretch the auxiliary traction steel wire rope 81, so that the auxiliary traction steel wire rope 81 can act, the elevator cage 1 can be lifted, the elevator cage 1 can be prevented from falling, and the elevator cage 1 can be further protected by the auxiliary traction of the auxiliary traction mechanism 8;
when the traction steel wire rope 5 is broken, the process of buffering impact force
Under the action of the impact force, the push rod 112 can move into the buffer mechanism 113, and the buffer spring 1132 can be compressed by the movement of the push rod 112, so that under the action of the self elastic force of the buffer spring 1132, the effect of buffering the impact force can be achieved;
the movement of the push rod 112 also drives the transverse plate 1133 to move, on one hand, the movement of the transverse plate 1133 drives the first moving rod 1134 to move into the seal box 1135 and simultaneously drives the piston 1136 to move in the seal box 1135, and in the movement process, the air pressure in the seal box 1135 can be changed, so that the effect of buffering impact force can be achieved through the effect of the air pressure; on the other hand, can take and draw stay cord 1138 to move, the combination that the motion of stay cord 1138 can take dwang 1139 and carousel 11310 to take place to rotate, and the rotation of carousel 11310 can make the rubber band 11311 take place to twine to under rubber band 11311 self elasticity effect, can play the effect of buffering impact force.
The invention has the beneficial effects that:
according to the elevator car, the existing car elevator is improved, and the protection components are arranged at the top, the bottom and the side parts of the car, so that after the traction steel wire rope is broken, the car can be prevented from falling off by the aid of the protection components, and safety risks can be effectively avoided.
In the invention, the auxiliary traction mechanism 8 is arranged at the top of the elevator cage 1, and the motion process of the auxiliary traction mechanism 8 and the motion of the traction steel wire rope 5 and the counterweight 7 are synchronously carried out, so that the auxiliary traction mechanism 8 can not act when the traction steel wire rope 5 and the counterweight 7 are in traction and lifting in the elevator cage 1, and the auxiliary traction mechanism 8 can not act until the traction steel wire rope 5 is broken, thereby playing a role of assisting in traction of the elevator cage 1, further avoiding the elevator cage 1 from falling, and effectively avoiding the occurrence of safety accidents.
The side protection device is also additionally provided with a combined structure of a lantern ring 12, a second moving rod 13, a first vertical plate 14, a reset spring 15, a first electrode contact piece 16, a second electrode contact piece 17 and a second vertical plate 18, wherein the combined structure is arranged for controlling the on-off of a series circuit, the specific work is related to the state of a traction steel wire rope 5, when the traction steel wire rope 5 is broken, the first electrode contact piece 16 and the second electrode contact piece 17 are driven by the reset spring 15 to be in contact with each other, so that the series circuit is switched on, and the side protection component 10 and the bottom protection component 11 play a role in locking the elevator cage 1, and further the elevator cage 1 is prevented from falling; when the traction steel wire rope 5 is not broken, the first electrode contact 16 and the second electrode contact 17 are not contacted together, the series circuit does not work, and the side protection component 10 and the bottom protection component 11 are not locked.
The side protection component 10 and the bottom protection component 11 are additionally arranged, the combined structure can lock the elevator cage 1 from the side and the bottom, so that the elevator cage 1 can be effectively prevented from falling, and whether the combined structure works or not needs to work in cooperation with the series circuit controlled by the first electrode contact piece 16 and the second electrode contact piece 17, so that in the actual working process, the side protection component 10 and the bottom protection component 11 can timely protect the elevator cage 1 from falling, and the side protection component 10 and the bottom protection component 11 can not work when the elevator cage 1 normally moves, so that the resource is saved.
In-process of locking elevator car 1 through bottom protection component 11, in the twinkling of an eye in the locking, elevator car 1 is under inertial effect, there is decurrent impact force, the existence of this impact force, can lead to the fact the damage to lateral protection component 10 and bottom protection component 11, in order to weaken the damage that the pole impact force led to the fact to equipment, buffer gear 113 has been add in bottom protection component 11, this buffer gear 113's setting, can be effectively to the buffering of impact force, thereby can reach the effect to equipment protection, and then the life of extension equipment.
When the buffer mechanism 113 plays a buffer role, a high-efficiency buffer effect is achieved through a three-step specific buffer process, specifically, at the moment of locking, the push rod 112 can move into the buffer box 1131, the buffer spring 1132 can be compressed due to the movement of the push rod 112, and meanwhile, the piston 1136 can be driven by the first moving rod 1134 to move in the seal box 1135, so that the air pressure in the seal box 1135 is changed, the pull rope 1138 can be pulled to move upwards, the combination of the rotating rod 1139 and the rotating disc 11310 can be pulled to rotate due to the movement of the pull rope 1138, so that the rubber band 11311 can be wound, and the buffer impact force can be achieved under the action of the self elastic force of the rubber band 11311.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (6)
1. A safety protection device of an elevator in an intelligent community comprises an elevator cage (1), an elevator shaft (2), a connecting frame plate (3), a driven wheel (4), a traction steel wire rope (5), a traction wheel (6), a counterweight (7) and a supporting transverse plate (9), wherein the supporting transverse plate (9) is fixedly arranged in the elevator shaft (2), the elevator cage (1) is arranged in the elevator shaft (2), two ends of the traction steel wire rope (5) are respectively connected to the lower end face of the supporting transverse plate (9) and the upper end face of the counterweight (7), the traction steel wire rope (5) sequentially bypasses the driven wheel (4) and the traction wheel (6), the driven wheel (4) is rotatably arranged on the connecting frame plate (3) on the top plate of the elevator cage (1), the traction wheel (6) is arranged on the supporting transverse plate (9), and the safety protection device is characterized in that side position protection components (10) are arranged on two sides of the elevator cage (1), the upper end of the side position protection component (10) is arranged on the lower end face of the supporting transverse plate (9), the lower end of the elevator cage (1) is provided with a bottom protection component (11), and the bottom protection component (11) is arranged between the two side position protection components (10);
the upper end of the connecting frame plate (3) is connected with one end of an auxiliary traction mechanism (8), and the other end of the auxiliary traction mechanism (8) is connected to the upper end face of the counterweight (7);
a lantern ring (12) is movably sleeved outside the traction steel wire rope (5), the outer side wall of the lantern ring (12) is connected with a second movable rod (13), the second movable rod (13) is movably inserted on a first vertical plate (14), the first vertical plate (14) is fixedly arranged on the lower end surface of the supporting transverse plate (9), the second moving rod (13) is wound and connected with a return spring (15), two ends of the return spring (15) are respectively connected to the side walls of the second moving rod (13) and the first vertical plate (14), the free end of the second moving rod (13) is connected with a first electrode contact piece (16), a second electrode contact piece (17) matched with the first electrode contact piece (16) is arranged in the elevator shaft (2), and the second electrode contact (17) is connected on the side wall of the second vertical plate (18), the second vertical plate (18) is fixedly arranged on the lower end face of the supporting transverse plate (9);
the auxiliary traction mechanism (8) comprises an auxiliary traction steel rope (81), a first fixed pulley (82) and a second fixed pulley (83), the first fixed pulley (82) and the second fixed pulley (83) are rotatably arranged on the lower end face of the bearing transverse plate (9), and the auxiliary traction steel rope (81) sequentially bypasses the first fixed pulley (82) and the second fixed pulley (83);
the side position protection assembly (10) comprises a vertical sliding groove (101) and a sliding pipe (102), the vertical sliding groove (101) is fixedly arranged on the lower end face of the bearing transverse plate (9), the sliding pipe (102) is movably sleeved outside the vertical sliding groove (101), the sliding pipe (102) is connected with a connecting plate (103), the free end of the connecting plate (103) is connected onto the outer side wall of the elevator cage (1), a supporting fixing pipe (109) is fixedly sleeved outside the connecting plate (103), an iron pipe (107) is connected onto the supporting fixing pipe (109), a first locking plate (105) is movably inserted into the iron pipe (107), the upper end of the first locking plate (105) is connected with a first electromagnet (1010), the side wall of the first electromagnet (1010) is connected with an L-shaped connecting rod (1011), and the free end of the L-shaped connecting rod (1011) is connected onto the side wall of the upper fixing block (1012), the lower end face of the upper fixing block (1012) is connected with a guide assembly, the lower end of the guide assembly is connected to the upper end face of the lower fixing block (1016), the lower fixing block (1016) is fixedly arranged on the outer side wall of the supporting and fixing pipe (109), the inner bottom wall of the vertical sliding groove (101) is provided with a plurality of locking holes (106), and the locking holes (106) are matched with the first locking plate (105);
bottom protection component (11) is including connecting seat (111) and catch bar (112), connecting seat (111) are fixed to be set up on the up end of connecting diaphragm (114), the lower extreme of catch bar (112) is connected on connecting seat (111), and in the activity of catch bar (112) extended to buffer gear (113), buffer gear (113) are fixed to be set up on the lower terminal surface of elevator railway carriage or compartment (1), the both ends of connecting diaphragm (114) all are connected with No. two sliding blocks (1111), and No. two sliding blocks (1111) slide and set up in perpendicular sliding tray (101), same sliding tray (115) has been seted up on No. two sliding blocks (1111) and connecting diaphragm (114), it is provided with slip iron plate (116) to slide in sliding tray (115), the lateral wall of slip iron plate (116) is connected with connecting spring (117), and the free end of connecting spring (117) is connected on the lateral wall of sliding tray (115), one end, far away from the connecting spring (117), of the sliding iron block (116) is connected with a second locking plate (118), the second locking plate (118) is movably inserted into the supporting pipe (119), the supporting pipe (119) is fixedly arranged in the sliding groove (115), one end, close to the sliding iron block (116), of the supporting pipe (119) is connected with a second electromagnet (1110), and the second locking plate (118) is matched with the locking hole (106);
the buffer mechanism (113) comprises a buffer box (1131) and a buffer spring (1132), the buffer spring (1132) is fixedly arranged on the inner top wall of the buffer box (1131), the free end of the buffer spring (1132) is connected to the upper end of a push rod (112), the push rod (112) is movably inserted into a bottom plate of the buffer box (1131), the side wall of the push rod (112) is connected with a transverse plate (1133), the upper end of the transverse plate (1133) is connected with a movable rod (1134), the movable rod (1134) movably extends into a seal box (1135), the seal box (1135) is fixedly arranged on the inner top wall of the buffer box (1131), the upper end of the movable rod (1134) is connected with a piston (1136), the piston (1136) is movably arranged in the seal box (1135), the lower end of the transverse plate (1133) is connected with one end of a pull rope (1138), and the other end of the pull rope (1138) is wound and connected to the seal box (1139), the both ends of dwang (1139) all rotate and set up in baffle-box (1131), and dwang (1139) external fixation cover is equipped with carousel (11310), the winding is connected with the one end of rubber band (11311) on the circumference of carousel (11310), and the other end fixed connection of rubber band (11311) is on the interior diapire of baffle-box (1131).
2. The safety device of the elevator in the intelligent community of claim 1, characterized in that: one end of the iron pipe (107) close to the first electromagnet (1010) is connected with a buffer rubber pad (108).
3. The safety device of the elevator in the intelligent community of claim 1, characterized in that: the guide assembly comprises a guide rod (1013), a guide spring (1014) and a guide cylinder (1015), the guide rod (1013) is movably inserted into the guide cylinder (1015), the guide spring (1014) is wound on the guide rod (1013), and two ends of the guide spring (1014) are respectively connected to the side wall of the guide rod (1013) and the outer side wall of the guide cylinder (1015).
4. The safety device of the elevator in the intelligent community of claim 1, characterized in that: the locking holes (106) are arranged on the vertical middle line of the vertical sliding groove (101), a gap exists between every two adjacent locking holes (106), and the distance of the gap is smaller than 0.5 cm.
5. The safety device of the elevator in the intelligent community of claim 1, characterized in that: a first sliding block (104) is connected to the inner side wall of the sliding pipe (102), and the first sliding block (104) is arranged in the vertical sliding groove (101) in a sliding mode.
6. The safety device of the elevator in the intelligent community of claim 1, characterized in that: and a sealing rubber sleeve (1137) is fixedly sleeved on the circumference of the piston (1136).
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| CN112919281A (en) * | 2021-01-18 | 2021-06-08 | 丁翠芳 | Elevator with a movable elevator car |
| CN112850412A (en) * | 2021-01-18 | 2021-05-28 | 丁翠芳 | Elevator with brake mechanism |
| CN114687475B (en) * | 2022-05-05 | 2024-01-12 | 江苏天茂建设有限公司 | Assembled decoration and heat preservation integrated wallboard and dry construction method |
| CN117799789B (en) * | 2024-01-03 | 2024-07-02 | 连云港港口集团有限公司 | Rescue tug traction device with protective structure |
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| CN205222343U (en) * | 2015-11-30 | 2016-05-11 | 杨晓佳 | Elevator safety protection device |
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| CN101844720A (en) * | 2010-04-07 | 2010-09-29 | 东莞市快意电梯有限公司 | Elevator buffer device, elevator safety overhaul protecting system and method for reducing requirements on well pit of elevator or top building |
| CN104477726B (en) * | 2014-12-29 | 2016-10-05 | 龚柱 | The method for designing of the anti-fall unit of elevator |
| CN105329740A (en) * | 2015-08-14 | 2016-02-17 | 重庆圣普锣建材有限公司 | Elevator falling protective device |
| CN106829709B (en) * | 2017-04-18 | 2018-11-09 | 湖北光大智能科技有限公司 | Single rope steel wire rope of hoist released rope detecting device |
| CN108100806B (en) * | 2017-11-28 | 2019-06-07 | 湖南德力通电梯有限公司 | A kind of elevator emergency braking apparatus and braking method |
| CN209922684U (en) * | 2019-05-28 | 2020-01-10 | 高晓明 | Elevator auxiliary lifting device |
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| CN205222343U (en) * | 2015-11-30 | 2016-05-11 | 杨晓佳 | Elevator safety protection device |
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