CN114920115A - Vertical ladder device with magnetic adsorption type manned automatic descending function and control method - Google Patents
Vertical ladder device with magnetic adsorption type manned automatic descending function and control method Download PDFInfo
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- CN114920115A CN114920115A CN202210504175.0A CN202210504175A CN114920115A CN 114920115 A CN114920115 A CN 114920115A CN 202210504175 A CN202210504175 A CN 202210504175A CN 114920115 A CN114920115 A CN 114920115A
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000005389 magnetism Effects 0.000 claims description 22
- 230000005484 gravity Effects 0.000 claims description 21
- 230000001133 acceleration Effects 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 5
- 210000000080 chela (arthropods) Anatomy 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention provides a vertical ladder device with a magnetic adsorption type manned automatic descending function and a control method thereof. The invention solves the problem of more potential safety hazards when the operating personnel take the straight ladder to get off the ladder in the prior art, and has the effects of reducing the potential safety hazards and the labor intensity of the operating personnel when the operating personnel take the straight ladder to get off the ladder.
Description
Technical Field
The invention relates to the technical field of construction and construction vertical ladders, in particular to a vertical ladder device with a magnetic adsorption type manned automatic descending function and a control method.
Background
The vertical ladder is an important operation tool widely applied to construction, operating personnel often go up the ladder easily and go down the ladder difficultly at upper and lower in-process, because the reason of sight when going down the ladder, the position of marking time of ladder is not looked for well to eyes, leads to operating personnel to step on empty easily, lose the foot and fall to cause the incident. At present, a mode of installing a special elevator is often adopted for working conditions with large working height and fixed working position, but a simple conventional straight ladder is generally still adopted as a climbing tool for working height within 10 meters and frequent change of the working position.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a straight ladder device with a magnetic adsorption type manned automatic descending function and a control method thereof, which solve the problem that in the prior art, the potential safety hazards are high when operators use the straight ladder to descend.
According to the embodiment of the invention, the vertical ladder device with the magnetic adsorption type manned automatic descending function comprises a vertical ladder and a manned assembly capable of sliding along the axial direction of the vertical ladder, wherein the manned assembly comprises a magnetic gauge stand adsorbed on the vertical ladder through magnetic adsorption force, a main motor driving a strip-shaped permanent magnet in the magnetic gauge stand to rotate and a main control box arranged on the vertical ladder and used for supplying power and controlling the main motor, a manned pedal and a rope are respectively arranged at the top and the bottom of the magnetic gauge stand, and the movable end of the rope is connected with a balancing weight.
Preferably, a control box is arranged on the magnetic gauge stand, the control box is connected in series to a cable between the main control box and the main motor, and a start-stop switch for controlling the manned assembly to move and an acceleration sensor for controlling the main motor to rotate are arranged in the control box.
Preferably, be provided with the support on the magnetism gauge stand to there is supplementary motor through the support mounting, between main control box and the main motor the cable twines on receiving the spool through assisting motor drive, just the cable is walked the line from receiving the spool inside, and establishes ties control box and main motor.
Preferably, the top of control box is provided with pressure sensor, the top is provided with the board that ends that is used for with the pressure sensor contact in the vertical ladder, pressure sensor with main control box electric connection.
Preferably, the vertical ladder is internally and uniformly provided with a transverse plate and a vertical rod which are intersected, the magnetic gauge stand is provided with an emergency stop assembly, and the emergency stop assembly comprises a brake caliper capable of being clamped on the vertical rod in the vertical ladder.
Preferably, the scram subassembly still including connect in holding rod on the magnetism gauge stand with set up the connecting cylinder in holding rod middle part, the brake caliper is installed in the connecting cylinder, and the both ends of connecting cylinder all are provided with and are used for controlling the expansion end of brake caliper is drawn together or open brake handle.
Preferably, the vertical ladder is provided with a slideway for the manned assembly to slide, and the side wall of the magnetic gauge stand is provided with a slot for the slideway to insert.
Preferably, the top of the straight ladder is provided with a fixed pulley for supporting the rope, the side surface of the straight ladder is provided with a limiting frame, and the balancing weight is arranged in the limiting frame in a sliding manner.
A control method of a vertical ladder device with a magnetic adsorption type manned automatic descending function comprises the following steps: the method comprises the following steps: the manned assembly is positioned at the top end of the straight ladder, the strip-shaped permanent magnet in the magnetic gauge stand is parallel to the straight ladder, the magnetic adsorption force between the magnetic gauge stand and the straight ladder is the largest, and under the condition of matching with the balancing weight, an operator stands on the manned assembly, and the manned assembly keeps stable; step two: when an operator needs to descend, the rotation of the main motor is realized by pressing the start-stop switch, the main motor drives the strip-shaped permanent magnet in the magnetic gauge stand to rotate, so that the strip-shaped permanent magnet rotates relative to the vertical ladder, the magnetic adsorption force between the magnetic gauge stand and the vertical ladder is reduced, the friction force is correspondingly reduced, and after the gravity of the operator and the manned component is greater than the friction force between the gravity of the counterweight block and the magnetic gauge stand and the slide way, the operator standing on the manned pedal slides downwards along with the acceleration of the manned component; step three: when the acceleration of the manned assembly is too large due to the fact that the magnetic adsorption force between the magnetic gauge stand and the straight ladder is too small in the descending process, the acceleration sensor transmits signals to the main control box, the main control box controls the main motor to rotate reversely, the magnetic adsorption force between the magnetic gauge stand and the straight ladder is increased, the acceleration of the manned assembly is further reduced, finally, the gravity of an operator and the manned assembly is equal to the friction force between the gravity of the counterweight block and the magnetic gauge stand as well as the slide way, and the manned assembly is descended at a constant speed; step four: when manned subassembly will slide to the bottom of straight ladder, the operation personnel open the stop switch through pressing down for main control box control main motor rotates, and drive the strip permanent magnet in the magnetism gauge stand and rotate to the state parallel with the straight ladder, at this in-process, the magnetic attraction between magnetism gauge stand and the straight ladder constantly increases, behind the gravity of operation personnel and manned subassembly is less than the gravity of balancing weight and the frictional force between magnetism gauge stand and the slide, gliding manned subassembly begins to slow down, finally realize the stillness of manned subassembly.
Compared with the prior art, the invention has the following beneficial effects:
1. the magnetic adsorption force between the magnetic gauge stand and the straight ladder is regulated and controlled by utilizing the principle of the magnetic gauge stand, so that the friction force between the manned assembly and the straight ladder is regulated, the descending of the manned assembly is further realized, the descending speed of the manned assembly is regulated, and the potential safety hazard and the labor intensity of operating personnel during descending are reduced;
2. the automatic reset of manned subassembly can be realized through the balancing weight, and the balancing weight can offset the gravity of partly operation personnel and manned subassembly simultaneously, has reduced the requirement to the magnetism adsorption affinity between magnetism gauge stand and the straight ladder, has reduced the friction between manned subassembly and the straight ladder, has prolonged the life of device and has reduced the manufacturing cost of device.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram in another direction according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of another embodiment of the present invention.
Fig. 4 is a schematic structural view of a vertical ladder according to an embodiment of the present invention.
FIG. 5 is a schematic view of a people mover assembly in an embodiment of the invention.
Fig. 6 is a schematic structural diagram of an emergency stop assembly according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a magnetic watch base in an embodiment of the invention.
In the above drawings: 1. a straight ladder; 2. a slideway; 3. a limiting frame; 4. stopping the plate; 5. a master control box; 6. connecting sleeves; 7. a magnetic watch base; 8. a control box; 9. a start-stop switch; 10. a pressure sensor; 11. a main motor; 12. a support; 13. an auxiliary motor; 14. a cable; 15. a holding rod; 16. a connecting cylinder; 17. a brake handle; 18. a brake caliper; 19. a manned pedal; 20. a fixed pulley; 21. mounting a bracket; 22. a rope; 23. and a balancing weight.
Detailed Description
The technical solution of the present invention is further described with reference to the drawings and the embodiments.
As shown in fig. 1-7, in order to reduce the potential safety hazard and labor intensity of the operator. The invention provides a straight ladder device with a magnetic adsorption type manned automatic descending function, which comprises a straight ladder 1 and a manned assembly capable of sliding along the axial direction of the straight ladder 1, wherein the manned assembly comprises a magnetic gauge stand 7 adsorbed on the straight ladder 1 through magnetic adsorption force, a main motor 11 driving a strip-shaped permanent magnet in the magnetic gauge stand 7 to rotate, and a main control box 5 arranged on the straight ladder 1 and used for supplying power and controlling the main motor 11, the top and the bottom of the magnetic gauge stand 7 are respectively provided with a manned pedal 19 and a rope 22, and the movable end of the rope 22 is connected with a balancing weight 23.
The structure of the vertical ladder 1 is similar to that of the existing vertical ladder, the top of the vertical ladder 1 is provided with an installation platform for installing a main control box 5, the main control box 5 is connected with an external power supply or is provided with a direct current power supply, two upright posts of the vertical ladder 1 are respectively provided with a magnetic gauge stand 7, and a manned pedal 19 is arranged between the two magnetic gauge stands 7; the structure of the magnetic gauge stand 7 is the same as that of the existing magnetic gauge stand 7, magnetizers are arranged at two ends of the shell, a copper plate is arranged in the middle of the shell, a strip-shaped permanent magnet is rotatably arranged in the shell, and when the strip-shaped permanent magnet is parallel to the straight ladder 1, the magnetic adsorption force between the magnetic gauge stand 7 and the straight ladder 1 is the largest, so that the manned assembly can be stably attached to the straight ladder 1; the main motor 11 is controlled to rotate through the main control box 5, the main motor 11 drives the strip-shaped permanent magnet in the magnetic meter seat 7 to rotate, the strip-shaped permanent magnet rotates to an inclined state from a state parallel to the straight ladder 1 in the rotating process, and then the magnetic adsorption force between the magnetic meter seat 7 and the straight ladder 1 is gradually reduced.
When an operator stands on the manned pedal 19, the angle of the strip-shaped permanent magnet in the magnetic gauge stand 7 is adjusted by controlling the rotation of the main motor 11 through the main control box 5, so that the regulation and control of the magnetic adsorption force between the magnetic gauge stand 7 and the straight ladder 1 are realized, the magnitude of the friction force between the manned component and the straight ladder 1 is further adjusted, and the downward sliding of the manned component can be realized when the sum of the friction force between the manned component and the straight ladder 1 and the gravity of the counterweight 23 is smaller than the sum of the gravity of the operator and the manned component; in the sliding process, due to the magnetic force between the magnetic gauge stand 7 and the straight ladder 1, the magnetic gauge stand 7 is always attached to the straight ladder 1, so that the manned assembly can slide more stably. Similarly, when the magnetic adsorption force between the magnetic gauge stand 7 and the straight ladder 1 is adjusted, the stress balance of the manned assembly can be realized, so that the manned assembly slides at a constant speed, the sum of the friction force between the manned assembly and the straight ladder 1 and the gravity of the counterweight block 23 is larger than the sum of the gravity of the operating personnel and the manned assembly, and the deceleration and the rest of the manned assembly are realized.
As shown in fig. 1, 2, 3, 5, 6 and 7, to achieve automatic regulation of the sliding speed of the people mover. The magnetic gauge stand 7 is provided with a control box 8, the control box 8 is connected in series on a cable 14 between the main control box 5 and the main motor 11, and a start-stop switch 9 for controlling the movement of the manned assembly and an acceleration sensor for controlling the rotation of the main motor 11 are arranged in the control box 8. At manned subassembly along the straight ladder 1 in-process that slides, when acceleration sensor detected manned subassembly's acceleration too big, acceleration sensor with signal transmission to the PLC in the main control box 5, PLC control main motor 11 antiport, and then drive the strip permanent magnet antiport in the magnetism gauge stand 7, increase magnetism adsorption affinity between magnetism gauge stand 7 and the straight ladder 1, finally realize manned subassembly at the uniform velocity slip or the slip that slows down. The function requirement on the PLC in the main control box 5 is low, and most of the existing PLCs can realize the control behavior after being programmed.
As shown in fig. 5 to 7, in order to prevent the cable 14 between the main control box 5 and the main motor 11 from being damaged during the sliding of the man-carrying assembly. Be provided with support 12 on the magnetism gauge stand 7 to install through support 12 and assist motor 13, between main control box 5 and main motor 11 cable 14 twines on receiving the spool through assisting motor 13 driven, just cable 14 is walked the line from receiving the spool inside, and establishes ties control box 8 and main motor 11. The auxiliary motor 13 drives the wire take-up pipe to wind the cable 14, and the wire take-up pipe rotates along with the movement of the manned component in the downward sliding process of the manned component to automatically pay off the cable; in the process that the manned assembly slides upwards, the auxiliary motor 13 is electrified to drive the wire take-up pipe to rotate and take up the cable 14; even if the manned component slides to the bottom end of the vertical ladder 1, the cable 14 is still wound on the wire collecting pipe of the auxiliary motor 13. Connecting sleeves 6 are arranged at two ends of the main control box 5, the cables 14 are arranged in the connecting sleeves 6, and the end parts of the connecting sleeves 6 and the axis of the cable collecting pipe are on the same vertical plane, so that the bending of the cables 14 can be reduced.
As shown in fig. 6-7, in order to achieve an accurate repositioning of the people carrier assembly. The top of control box 8 is provided with pressure sensor 10, the top is provided with the board 4 that ends that is used for contacting with pressure sensor 10 in the vertical ladder 1, pressure sensor 10 with main control box 5 electric connection. After the pressure sensor 10 is contacted with the stop plate 4, the pressure sensor 10 transmits a signal to the main control box 5, and the main control box 5 controls the main motor 11 to enable the strip-shaped permanent magnet in the magnetic gauge stand 7 to rapidly rotate to be in a vertical state, so that the manned assembly is fixed. When manned subassembly was driven the rebound by balancing weight 23, acceleration sensor can monitor manned subassembly equally, when manned subassembly's acceleration was too big, through adjusting the magnetism adsorption affinity between magnetic gauge stand 7 and the vertical ladder 1, realized at the uniform velocity or the slip that slows down of manned subassembly.
As shown in fig. 1, 2, 3, 5 and 6, to improve the safety of the vertical ladder device. The magnetic meter seat is characterized in that transverse plates and vertical rods are uniformly arranged in the straight ladder 1 and intersect with each other, an emergency stop assembly is arranged on the magnetic meter seat 7, and the emergency stop assembly comprises brake calipers 18 capable of being clamped on the vertical rods in the straight ladder 1. In the process that an operator slides downwards through the manned assembly, if the vertical ladder device is abnormal, the vertical rod is clamped through the brake caliper 18, and the manned assembly is suspended when the brake caliper 18 is in contact with the transverse plate.
As shown in fig. 1, 2, 3, 5 and 6, to effect operator manipulation of the brake caliper 18. The scram assembly further comprises a holding rod 15 connected to the magnetic meter seat 7 and a connecting cylinder 16 arranged in the middle of the holding rod 15, the brake caliper 18 is installed in the connecting cylinder 16, and brake handles 17 used for controlling the movable ends of the brake caliper 18 to close or open are arranged at two ends of the connecting cylinder 16. When an operator takes the manned component, the operator can hold the holding rod 15 by hands, and the brake handle 17 is kneaded to rotate the brake handle 17 to drive the brake caliper 18 to be closed and further clamped on the vertical rod, so that the manned component is suspended; the brake handle 17 and the brake caliper 18 adopt the hand brake and brake block form of the existing bicycle, and the brake handle 17 pulls a connecting line to realize the folding of the brake caliper 18.
As shown in fig. 1-4, in order to realize a closer fit between the people carrying assembly and the straight ladder 1, the people carrying assembly is prevented from shaking laterally. The straight ladder 1 is provided with a slideway 2 for the manned assembly to slide, and the side wall of the magnetic gauge stand 7 is provided with a slot for the slideway 2 to insert. Through the slotted cooperation on slide 2 and the magnetism gauge stand 7, realize spacing to manned subassembly side direction.
As shown in fig. 1-2, to improve the stability of the sliding of the weight 23. The top of the straight ladder 1 is provided with a fixed pulley 20 for supporting the rope 22, the side of the straight ladder 1 is provided with a limiting frame 3, and the balancing weight 23 is arranged in the limiting frame 3 in a sliding manner. The counterweight block 23 is guided through the limiting frame 3, the rope 22 is guided through the fixed pulley 20, and the fixed pulley 20 is rotatably installed on the side wall of the top end of the vertical ladder 1 through the installation support 21.
A control method of a vertical ladder device with a magnetic adsorption type manned automatic descending function comprises the following steps: the method comprises the following steps: the manned assembly is positioned at the top end of the straight ladder 1, the strip-shaped permanent magnet in the magnetic gauge stand 7 is parallel to the straight ladder 1 at the moment, the magnetic adsorption force between the magnetic gauge stand 7 and the straight ladder 1 is the largest, and under the condition of matching with the balancing weight 23, an operator stands on the manned assembly, and the manned assembly is kept stable; step two: when an operator needs to descend, the rotation of the main motor 11 is realized by pressing the start-stop switch 9, the main motor 11 drives the strip-shaped permanent magnet in the magnetic gauge stand 7 to rotate, so that the strip-shaped permanent magnet rotates relative to the vertical ladder 1, the magnetic adsorption force between the magnetic gauge stand 7 and the vertical ladder 1 is reduced, the friction force is correspondingly reduced, and after the gravity of the operator and the manned component is greater than the gravity of the counterweight block 23 and the friction force between the magnetic gauge stand 7 and the slide way 2, the operator standing on the manned pedal 19 slides downwards along with the acceleration of the manned component; step three: when the acceleration of the manned assembly is too large due to the fact that the magnetic adsorption force between the magnetic gauge stand 7 and the straight ladder 1 is too small in the descending process, the acceleration sensor transmits signals to the main control box 5, the main control box 5 controls the main motor 11 to rotate reversely, the magnetic adsorption force between the magnetic gauge stand 7 and the straight ladder 1 is increased, the acceleration of the manned assembly is further reduced, finally, the gravity of an operator and the manned assembly is equal to the gravity of the counterweight block 23 and the friction force between the magnetic gauge stand 7 and the slide way 2, and the manned assembly is descended at a constant speed; step four: when the manned assembly is to slide to the bottom end of the straight ladder 1, an operator presses the start-stop switch 9, so that the main control box 5 controls the main motor 11 to rotate and drives the strip-shaped permanent magnet in the magnetic gauge stand 7 to rotate to a state parallel to the straight ladder 1.
Claims (9)
1. The utility model provides a vertical ladder device with automatic decline function of manned of magnetism adsorption-type which characterized in that: including vertical ladder (1) and can follow the endwise slip's manned subassembly of vertical ladder (1), manned subassembly includes magnetism gauge stand (7) that adsorbs on vertical ladder (1) through magnetism adsorption affinity, through driving inside strip permanent magnet pivoted main motor (11) of magnetism gauge stand (7) and setting up main control box (5) that are used for main motor (11) power supply and control on vertical ladder (1), the top and the bottom of magnetism gauge stand (7) are provided with manned footboard (19) and rope (22) respectively, the expansion end of rope (22) is connected with balancing weight (23).
2. The vertical ladder device with magnetic attraction type manned automatic descending function according to claim 1, characterized in that: the magnetic meter base (7) is provided with a control box (8), the control box (8) is connected in series on a cable (14) between the main control box (5) and the main motor (11), and a start-stop switch (9) used for controlling the movement of the manned assembly and an acceleration sensor used for controlling the rotation of the main motor (11) are arranged in the control box (8).
3. The vertical ladder device with the magnetic attraction type manned automatic descending function according to claim 2, characterized in that: be provided with support (12) on magnetism gauge stand (7) to install through support (12) and assist motor (13), between main control box (5) and main motor (11) cable (14) twine on the receipts spool through assisting motor (13) driven, just cable (14) are walked the line from receiving the spool inside, and are established ties control box (8) and main motor (11).
4. The vertical ladder device with magnetic attraction type manned automatic descending function according to claim 3, characterized in that: the top of control box (8) is provided with pressure sensor (10), the top is provided with only board (4) that is used for with pressure sensor (10) contact in vertical ladder (1), pressure sensor (10) with main control box (5) electric connection.
5. The vertical ladder device with the magnetic attraction type manned automatic descending function according to claim 1, characterized in that: evenly be provided with diaphragm and montant in vertical ladder (1), and diaphragm and montant intersect, be provided with the scram subassembly on magnetism gauge stand (7), the scram subassembly is including can the centre gripping brake pincers (18) on the montant in vertical ladder (1).
6. The vertical ladder device with magnetic attraction type manned automatic descending function according to claim 5, characterized in that: the scram assembly further comprises a holding rod (15) connected to the magnetic meter seat (7) and a connecting cylinder (16) arranged in the middle of the holding rod (15), the brake caliper (18) is installed in the connecting cylinder (16), and brake handles (17) used for controlling the movable ends of the brake caliper (18) to close or open are arranged at two ends of the connecting cylinder (16).
7. The vertical ladder device with the magnetic attraction type manned automatic descending function according to claim 1, characterized in that: the straight ladder (1) is provided with a slideway (2) for the manned assembly to slide, and the side wall of the magnetic gauge stand (7) is provided with a groove for the slideway (2) to insert.
8. The vertical ladder device with magnetic attraction type manned automatic descending function according to claim 1, characterized in that: the top of the straight ladder (1) is provided with a fixed pulley (20) used for supporting the rope (22), the side face of the straight ladder (1) is provided with a limiting frame (3), and the balancing weight (23) is arranged in the limiting frame (3) in a sliding mode.
9. The control method of the vertical ladder device with the magnetic attraction type manned automatic descending function according to any one of claims 1 to 8, characterized by comprising the following steps: the method comprises the following steps: the manned assembly is positioned at the top end of the straight ladder (1), the strip-shaped permanent magnet inside the magnetic gauge stand (7) is parallel to the straight ladder (1), the magnetic adsorption force between the magnetic gauge stand (7) and the straight ladder (1) is the largest, and under the condition of being matched with the balancing weight (23), an operator stands on the manned assembly, and the manned assembly is kept stable; step two: when an operator needs to descend, the rotation of the main motor (11) is realized by pressing the start-stop switch (9), the main motor (11) drives the strip-shaped permanent magnet in the magnetic gauge stand (7) to rotate, so that the strip-shaped permanent magnet rotates relative to the straight ladder (1), the magnetic adsorption force between the magnetic gauge stand (7) and the straight ladder (1) is reduced, the friction force is correspondingly reduced, and after the gravity of the operator and the manned component is greater than the gravity of the counterweight block (23) and the friction force between the magnetic gauge stand (7) and the slide way (2), the operator standing on the manned pedal (19) accelerates and slides downwards along with the manned component; step three: when the acceleration of the manned assembly is too large due to the fact that the magnetic adsorption force between the magnetic gauge stand (7) and the straight ladder (1) is too small in the descending process, the acceleration sensor transmits signals to the main control box (5), the main control box (5) controls the main motor (11) to rotate reversely, the magnetic adsorption force between the magnetic gauge stand (7) and the straight ladder (1) is increased, the acceleration of the manned assembly is further reduced, and finally the gravity of an operator and the manned assembly is equal to the gravity of the counterweight block (23) and the friction force between the magnetic gauge stand (7) and the slide way (2), so that the manned assembly is descended at a constant speed; step four: when manned subassembly will slide to the bottom of vertical ladder (1), the operation personnel open through pressing and stop switch (9), make main control box (5) control main motor (11) rotate, and drive the strip permanent magnet in magnetism gauge stand (7) and rotate to the state parallel with vertical ladder (1), at this in-process, the magnetic attraction power between magnetism gauge stand (7) and vertical ladder (1) constantly increases, after the gravity of operation personnel and manned subassembly is less than gravity and the magnetic gauge stand (7) and the slide (2) frictional force between weight (23), gliding manned subassembly begins to slow down, finally realize the stillness of manned subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210504175.0A CN114920115B (en) | 2022-05-10 | 2022-05-10 | Straight ladder device with magnetic attraction type manned automatic descending function and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210504175.0A CN114920115B (en) | 2022-05-10 | 2022-05-10 | Straight ladder device with magnetic attraction type manned automatic descending function and control method |
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| CN114920115A true CN114920115A (en) | 2022-08-19 |
| CN114920115B CN114920115B (en) | 2023-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116370857A (en) * | 2023-03-24 | 2023-07-04 | 贵州电网有限责任公司 | Safety belt suspension device for electric power overhaul |
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| CN109607390A (en) * | 2018-11-22 | 2019-04-12 | 江苏长虹智能装备股份有限公司 | A kind of double track suspending transveyer |
| CN211225883U (en) * | 2019-11-29 | 2020-08-11 | 中铁二十四局集团上海电务电化有限公司 | Movable cable winding and unwinding device |
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| CN207390727U (en) * | 2017-10-11 | 2018-05-22 | 四川省特种设备检验研究院 | A kind of elevator manual emergency brake apparatus |
| CN109607390A (en) * | 2018-11-22 | 2019-04-12 | 江苏长虹智能装备股份有限公司 | A kind of double track suspending transveyer |
| CN211225883U (en) * | 2019-11-29 | 2020-08-11 | 中铁二十四局集团上海电务电化有限公司 | Movable cable winding and unwinding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116370857A (en) * | 2023-03-24 | 2023-07-04 | 贵州电网有限责任公司 | Safety belt suspension device for electric power overhaul |
| CN116370857B (en) * | 2023-03-24 | 2024-01-26 | 贵州电网有限责任公司 | Safety belt suspension device for electric power overhaul |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114920115B (en) | 2023-07-14 |
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