CN111977482A - Safety device for preventing elevator stalling from falling - Google Patents
Safety device for preventing elevator stalling from falling Download PDFInfo
- Publication number
- CN111977482A CN111977482A CN202010896042.3A CN202010896042A CN111977482A CN 111977482 A CN111977482 A CN 111977482A CN 202010896042 A CN202010896042 A CN 202010896042A CN 111977482 A CN111977482 A CN 111977482A
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- CN
- China
- Prior art keywords
- preventing
- safety device
- elevator
- falling
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 11
- 239000007787 solid Substances 0.000 abstract description 9
- 230000006698 induction Effects 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 2
- 239000011425 bamboo Substances 0.000 abstract 2
- 230000008859 change Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000004006 olive oil Substances 0.000 description 2
- 235000008390 olive oil Nutrition 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/026—Fluid-resistance brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to the technical field of safety devices and discloses a safety device for preventing an elevator from stalling and falling, which comprises a machine body, wherein a passenger compartment is connected inside the machine body in a sliding manner, a first magnet is arranged inside a rotating cylinder, a fixed cylinder is rotatably connected to the inner side of the rotating cylinder, a second magnet is arranged inside the fixed cylinder, a coil is arranged on the lower side of the second magnet, a solution chamber is arranged in the middle of the fixed cylinder, and a wire is fixedly connected to the left side of the coil. This safety device for preventing elevator stall whereabouts rotates through rotating the section of thick bamboo with higher speed, then first magnet takes place corresponding motion with the second magnet to produce induction magnetic field, then the coil produces induced current, and the electric current flows into the current variant through electric wire and electric pole, and the induced current that produces is enough to become the solid with the current variant for the motion pole movement is obstructed, thereby brakies the section of thick bamboo that rotates, and this structure has reached and has prevented that the stall from causing the incident and protect elevator equipment's effect.
Description
Technical Field
The invention relates to the technical field of safety devices, in particular to a safety device for preventing an elevator from stalling and falling.
Background
Elevators are seen everywhere in our daily lives, such as superstores, districts, office buildings, etc. The elevator safety device brings great convenience to our life, but brings convenience and also brings some potential safety hazards, and elevator safety accidents often happen around us, so that the safety device of the elevator is correspondingly generated.
Most elevators in the current market are used for achieving the purpose of ascending and descending of the elevator by tightening and loosening the ropes, certain potential safety hazards exist in the process of tightening and loosening the ropes, the elevator can suddenly stall and fall, safety accidents are caused, and when the elevator stalls and falls, passengers in the elevator can move upwards relative to the elevator due to weightlessness, the heads of the passengers can collide with the tops of the elevators, and casualties are caused. The above situation can cause the problems of easy occurrence of safety accidents, potential safety hazards and easy damage to elevator equipment, and easily causes casualties
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a safety device for preventing an elevator from stalling and falling, which has the advantages of preventing safety accidents caused by stalling, eliminating potential safety hazards, preventing casualties and protecting elevator equipment, and solves the problems that the existing elevator equipment is easy to cause safety accidents, has potential safety hazards and easily causes casualties and is easy to damage the elevator equipment.
(II) technical scheme
In order to achieve the purposes of preventing the occurrence of safety accidents caused by stall, eliminating potential safety hazards, preventing casualties and protecting elevator equipment, the invention provides the following technical scheme: a safety device for preventing an elevator from falling off when stalled comprises a machine body, a passenger compartment is slidably connected inside the machine body, a first pulley is arranged on the upper side of the passenger compartment, a rope fixing block is arranged on the upper side of the first pulley and on the inner wall of the machine body, a second pulley is arranged on the upper left side of the machine body, a rotating drum is arranged on the right side of the second pulley, a driving wheel is meshed on the right side of the rotating drum, a driving shaft is rotatably connected to the middle position of the driving wheel, a storage chamber is arranged inside the upper side of the passenger compartment, an air bag is arranged inside the storage chamber, a bearing is arranged on the upper side of the storage chamber, a first rotating shaft is rotatably connected to the inner side of the bearing, a fan is rotatably connected to the upper side of the first rotating shaft, a first magnet is arranged inside the rotating drum, a fixed drum is rotatably connected to the inner side of the rotating drum, a, the left side fixedly connected with electric wire of coil, the left side fixedly connected with electric post of electric wire, the upside of electric post is provided with the branch sap cavity, the inside sliding connection who divides the sap cavity has the slurcam, the upside fixedly connected with motion bar of slurcam, the inside of fan is provided with the electric wire, the right side fixedly connected with trigger device of electric wire, the first spring of the inside fixedly connected with in left side of trigger device, the first metal block of right side fixedly connected with of first spring, the right side of first metal block is provided with the second metal block.
Preferably, the inner wall of the rotating cylinder is provided with a circular groove corresponding to the moving rod, and the moving rod can move repeatedly under the pushing of the circular groove by virtue of the corresponding circular groove.
Preferably, the solution chamber and the liquid separating chamber are provided with an electrorheological fluid, the electrorheological fluid is mainly made of gypsum, lime, carbon powder and olive oil, the electrorheological fluid is in a solid state in an electrified state with a specified current amount and in a liquid state in a non-electrified state, and when the electrorheological fluid is in the solid state, the movement of the moving rod is blocked, so that the effect of braking the rotating cylinder is achieved.
Preferably, the liquid separating cavity is internally provided with a sliding rail corresponding to the moving rod, and the moving rod can move up and down in the liquid separating cavity by the corresponding sliding rail.
Preferably, a flow channel is fixedly connected between the solution chamber and the liquid separation cavity, and the flow channel is arranged, so that the electrorheological body can freely flow between the solution chamber and the liquid separation cavity when in a liquid state, and the effect that the movable rod can push the electrorheological body to move up and down is achieved.
Preferably, the trigger device is provided with an arc-shaped track corresponding to the first metal block, and the arc-shaped track corresponding to the first metal block is arranged, so that the first metal block can move back and forth on the arc-shaped track in the trigger device, and the effect of attaching and separating the first metal block and the second metal block is achieved.
(III) advantageous effects
Compared with the prior art, the invention provides a safety device for preventing an elevator from stalling and falling, which has the following beneficial effects:
1. the safety device for preventing the elevator from stalling and falling accelerates and rotates through the rotating cylinder, then the first magnet and the second magnet generate corresponding movement, so as to generate an induction magnetic field, then the coil generates induction current, the current flows into the current variant through the electric wire and the electric pole, and the induction current generated when the elevator is in normal operation is not enough to change the current variant into solid, because the electrorheological fluid of the solution chamber and the separating cavity is full, the moving rod enables the electrorheological fluid to reciprocate between the solution chamber and the separating cavity under the pushing of the groove of the rotating cylinder, thereby the rotating cylinder can normally run, when the rotating cylinder rotates with acceleration, the generated induced current is enough to change the electrorheological fluid into solid, the movement of the moving rod is blocked, thereby braking the rotary drum, which achieves the effects of preventing a safety accident caused by stall and protecting the elevator equipment.
2. This safety device for preventing elevator stall whereabouts, thereby through the rotation of elevator stall accelerating fan, the centrifugal force that produces this moment drives first metal block and moves in trigger device for first metal block and second metal block laminate mutually, make circuit among the air bag switched on, then air bag pops out, thereby reaches the effect of eliminating the potential safety hazard and preventing casualties.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a schematic view showing an internal structure of a rotary cylinder according to the present invention;
FIG. 3 is a schematic view of the internal structure of the fan of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B of FIG. 2;
fig. 6 is an enlarged view of the invention at C in fig. 3.
In the figure: 1. a body; 2. a passenger compartment; 3. a first pulley; 4. rope fixing blocks; 5. a second pulley; 6. a rotating cylinder; 7. a driving wheel; 8. a drive shaft; 9. a second magnet; 10. a fan; 11. a first rotating shaft; 12. a bearing; 13. a storage chamber; 14. an air bag; 15. a first magnet; 16. a fixed cylinder; 17. a coil; 18. a solution chamber; 19. an electric pole; 20. electric wire; 21. a liquid separation cavity; 22. a push plate; 23. a motion bar; 24. an electric wire; 25. triggering and installing; 26. a first spring; 27. a first metal block; 28. and a second metal block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a safety device for preventing an elevator from falling due to stalling comprises a machine body 1, a passenger compartment 2 is slidably connected inside the machine body 1, a first pulley 3 is arranged on the upper side of the passenger compartment 2, a rope fixing block 4 is arranged on the upper side of the first pulley 3 and on the inner wall of the machine body 1, a second pulley 5 is arranged on the upper left side of the machine body 1, a rotating cylinder 6 is arranged on the right side of the second pulley 5, a circular groove corresponding to a moving rod 23 is formed in the inner wall of the rotating cylinder 6, and the moving rod 23 can move repeatedly under the pushing of the circular groove due to the arrangement of the corresponding circular groove. A driving wheel 7 is engaged with the right side of the rotating cylinder 6, a driving shaft 8 is rotatably connected to the middle position of the driving wheel 7, a storage chamber 13 is arranged inside the upper side of the passenger compartment 2, an airbag 14 is arranged inside the storage chamber 13, a bearing 12 is arranged on the upper side of the storage chamber 13, a first rotating shaft 11 is rotatably connected to the inner side of the bearing 12, a fan 10 is rotatably connected to the upper side of the first rotating shaft 11, a first magnet 15 is arranged inside the rotating cylinder 6, a fixed cylinder 16 is rotatably connected to the inner side of the rotating cylinder 6, a second magnet 9 is arranged inside the fixed cylinder 16, a coil 17 is arranged on the lower side of the second magnet 9, a solution chamber 18 is arranged at the middle position of the fixed cylinder 16, a wire 20 is fixedly connected to the left side of the coil 17, a column 19 is fixedly connected to the left side of the wire 20, a liquid separating chamber 21 is arranged on the upper side of the column, the moving rod 23 can move up and down in the separating cavity 21 by being provided with a corresponding sliding track. Divide the inside sliding connection of sap cavity 21 to have slurcam 22, the upside fixedly connected with motion bar 23 of slurcam 22, the inside of fan 10 is provided with electric wire 24, the right side fixedly connected with trigger device 25 of electric wire 24, the inside of trigger device 25 is provided with the arc track corresponding with first metal block 27, through being provided with corresponding arc track, make first metal block 27 can carry out the back and forth movement at the arc track in trigger device 25, thereby reach the effect of first metal block 27 and the laminating of second metal block 28 and separation. A first spring 26 is fixedly connected to the left inside of the trigger device 25, a first metal block 27 is fixedly connected to the right side of the first spring 26, and a second metal block 28 is arranged on the right side of the first metal block 27. The solution chamber 18 and the liquid separation chamber 21 are provided with an electrorheological fluid, the main materials of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, the electrorheological fluid is in a solid state under an electrified state with a specified current amount and in a liquid state under a non-electrified state, and when the electrorheological fluid is in the solid state, the movement of the moving rod 23 is blocked, so that the effect of braking the rotating cylinder 6 is achieved. A flow channel is fixedly connected between the solution chamber 18 and the liquid separation cavity 21, and the flow channel enables the electrorheological body to freely flow between the solution chamber 18 and the liquid separation cavity 21 when the electrorheological body is in a liquid state, so that the effect that the movable rod 23 can push the electrorheological body to move up and down is achieved.
The working principle is as follows: when the device works, the driving wheel 7 is driven to rotate by starting the driving shaft 8, the driving wheel 7 is meshed with the rotating cylinder 6 to drive the rotating cylinder 6 to rotate, so that the rope is tightened and loosened, the elevator moves up and down, when the elevator stalls and falls down, the rope drives the rotating cylinder 6 to rotate in an accelerating way, then the first magnet 15 and the second magnet 9 move correspondingly, so that an induction magnetic field is generated, then the coil 17 generates induction current, the current flows into an electrorheological body through the electric wire 20 and the electric column 19, when the elevator normally operates, the generated induction current is not enough to change the electrorheological body into a solid, because the electrorheological body of the solution chamber 18 and the liquid separating chamber 21 is full, the moving rod 23 enables the electrorheological body to move back and forth between the solution chamber 18 and the liquid separating chamber 21 under the pushing of the groove of the rotating cylinder 6, so that the rotating, when the rotary drum 6 is rotated at an accelerated speed, the induced current generated is enough to change the current variant into a solid body, so that the movement of the moving rod 23 is blocked, thereby braking the rotary drum 6, and this structure achieves the effects of preventing a safety accident caused by a stall and protecting the elevator apparatus.
When the elevator stalls, passengers in the elevator move upwards relative to the elevator due to weightlessness, the head of each passenger collides with the top of the elevator, the elevator stalls so as to accelerate the rotation of the fan 10, the centrifugal force generated at the moment drives the first metal block 27 to move in the trigger device 25, the first metal block 27 is attached to the second metal block 28, the circuit in the safety airbag 14 is connected, and then the safety airbag 14 pops out, so that the aims of eliminating potential safety hazards and preventing casualties are fulfilled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Safety device for preventing the falling of an elevator stall, comprising a machine body (1), characterized in that: the passenger compartment is characterized in that a passenger compartment (2) is connected to the interior of the machine body (1) in a sliding manner, a first pulley (3) is arranged on the upper side of the passenger compartment (2), a rope fixing block (4) is arranged on the upper side of the first pulley (3) and on the inner wall of the machine body (1), a second pulley (5) is arranged on the upper left side of the machine body (1), a rotating cylinder (6) is arranged on the right side of the second pulley (5), a driving wheel (7) is meshed on the right side of the rotating cylinder (6), a driving shaft (8) is rotatably connected to the middle position of the driving wheel (7), a storage chamber (13) is arranged inside the upper side of the passenger compartment (2), an airbag (14) is arranged inside the storage chamber (13), a bearing (12) is arranged on the upper side of the storage chamber (13), a first rotating shaft (11) is rotatably connected to the inner side of the bearing (12), a fan (10) is rotatably, a fixed cylinder (16) is rotatably connected to the inner side of the rotating cylinder (6), a second magnet (9) is arranged inside the fixed cylinder (16), a coil (17) is arranged on the lower side of the second magnet (9), a solution chamber (18) is arranged in the middle of the fixed cylinder (16), a wire (20) is fixedly connected to the left side of the coil (17), a wire column (19) is fixedly connected to the left side of the wire (20), a liquid separating chamber (21) is arranged on the upper side of the wire column (19), a pushing plate (22) is slidably connected to the inside of the liquid separating chamber (21), a moving rod (23) is fixedly connected to the upper side of the pushing plate (22), an electric wire (24) is arranged inside the fan (10), a trigger device (25) is fixedly connected to the right side of the electric wire (24), a first spring (26) is fixedly connected to the inside of the left side of the trigger device (25), a first metal block (27) is fixedly connected, a second metal block (28) is arranged on the right side of the first metal block (27).
2. A safety device for preventing the falling of an elevator stall according to claim 1, characterized in that: the inner wall of the rotating cylinder (6) is provided with a circular groove corresponding to the moving rod (23).
3. A safety device for preventing the falling of an elevator stall according to claim 1, characterized in that: the solution chamber (18) and the liquid separation chamber (21) are both provided with an electrorheological fluid.
4. A safety device for preventing the falling of an elevator stall according to claim 1, characterized in that: the liquid distribution cavity (21) is internally provided with a sliding track corresponding to the moving rod (23).
5. A safety device for preventing the falling of an elevator stall according to claim 1, characterized in that: a flow channel is fixedly connected between the solution chamber (18) and the liquid separation cavity (21).
6. A safety device for preventing the falling of an elevator stall according to claim 1, characterized in that: an arc-shaped track corresponding to the first metal block (27) is arranged inside the trigger device (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896042.3A CN111977482A (en) | 2020-08-31 | 2020-08-31 | Safety device for preventing elevator stalling from falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896042.3A CN111977482A (en) | 2020-08-31 | 2020-08-31 | Safety device for preventing elevator stalling from falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111977482A true CN111977482A (en) | 2020-11-24 |
Family
ID=73440554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010896042.3A Withdrawn CN111977482A (en) | 2020-08-31 | 2020-08-31 | Safety device for preventing elevator stalling from falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111977482A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678705A (en) * | 2020-12-25 | 2021-04-20 | 刘启俊 | Winch stall self-locking device for preventing equipment stall from affecting operator safety |
| CN112827091A (en) * | 2021-01-25 | 2021-05-25 | 列耀乐 | Automatic control emergency stop rope pulley for forest rescue |
| CN112904234A (en) * | 2021-01-27 | 2021-06-04 | 孙鑫华 | Device capable of automatically detecting electric wire leakage and preventing electric arc from firing |
-
2020
- 2020-08-31 CN CN202010896042.3A patent/CN111977482A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678705A (en) * | 2020-12-25 | 2021-04-20 | 刘启俊 | Winch stall self-locking device for preventing equipment stall from affecting operator safety |
| CN112827091A (en) * | 2021-01-25 | 2021-05-25 | 列耀乐 | Automatic control emergency stop rope pulley for forest rescue |
| CN112827091B (en) * | 2021-01-25 | 2022-07-22 | 列耀乐 | Automatic control emergency stop rope pulley for forest rescue |
| CN112904234A (en) * | 2021-01-27 | 2021-06-04 | 孙鑫华 | Device capable of automatically detecting electric wire leakage and preventing electric arc from firing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201124 |
|
| WW01 | Invention patent application withdrawn after publication |