CN111332903A - Elevator traction system - Google Patents
Elevator traction system Download PDFInfo
- Publication number
- CN111332903A CN111332903A CN202010278266.8A CN202010278266A CN111332903A CN 111332903 A CN111332903 A CN 111332903A CN 202010278266 A CN202010278266 A CN 202010278266A CN 111332903 A CN111332903 A CN 111332903A
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- China
- Prior art keywords
- oil stain
- magnetic structure
- dissolving agent
- traction
- rotating shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/123—Checking means specially adapted for ropes or cables by analysing magnetic variables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
- B08B3/123—Cleaning travelling work, e.g. webs, articles on a conveyor
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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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- 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
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1276—Cleaning means
- B66B7/1284—Cleaning means specially adapted for ropes or cables
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides an elevator traction system, and belongs to the technical field of elevators. The elevator traction system comprises a traction sheave, a brake, a traction rope, a diameter detection piece, a pressing block, an oil stain cleaning piece and a controller. The diameter detection part detects the real-time diameter of the hauling rope, the controller controls the brake to stop the hauling wheel when the real-time diameter is smaller than a first preset diameter, the controller controls the oil stain dissolving agent injection structure to inject the oil stain dissolving agent into the hauling rope positioned below the first containing groove, the second ultrasonic cleaning machine sends ultrasonic waves to clean oil stains on the part of the hauling rope, the first ultrasonic cleaning machine sends the ultrasonic waves to clean the oil stains on the part of the hauling rope, the controller controls the oil stain dissolving agent injection structure to inject the oil stain dissolving agent into the hauling rope at a constant speed, and then the first ultrasonic cleaning machine or the second ultrasonic cleaning machine sends the ultrasonic waves to dissolve the oil stains into the oil stain dissolving agent, so that the oil stain cleaning effect is good.
Description
Technical Field
The invention belongs to the technical field of elevators, and relates to an elevator traction system.
Background
The steel wire rope is easy to be stained with dust in the rotating process, and the dust is accumulated to form oil stains on the steel wire rope, so that the friction between the steel wire rope and a traction sheave is increased, the abrasion of the steel wire rope is aggravated, and the normal operation of an elevator is influenced.
Chinese patent CN 109850728A discloses a novel elevator traction system, which relates to the elevator field, and comprises a traction sheave, a traction rope or a traction belt wound on the traction sheave, and at least one pressure loading assembly arranged above the traction rope or the traction belt, wherein the pressure loading assembly comprises a circular arc-shaped supporting frame and an adjustable pressure plate assembly arranged on the supporting frame, the adjustable pressure plate component comprises a circular arc-shaped pressure plate, a plurality of mounting rods and a plurality of compressed elastic elements, the lower ends of the mounting rods are fixedly connected with the upper surface of the pressure plate, the upper ends of the mounting rods are mounted on the support frame, the lower ends of the elastic elements are abutted to the upper surface of the pressure plate, the upper ends of the elastic elements are abutted to the support frame, the lower surface of the pressure plate is attached to the traction rope or the traction belt and loads pressure pointing to the axle center of the traction sheave, and the upper ends of the mounting rods can be adjusted in a telescopic mode along the radial direction of the support frame so as to adjust the pressure loaded by the pressure plate. The invention does not need frequent maintenance and replacement, thereby saving the maintenance cost. The greasy dirt is stained with on wire rope in the above-mentioned patent, can increase the frictional force of wire rope and driving sheave, and elastic component is to adjustable pressure plate subassembly application of force simultaneously, and adjustable pressure plate subassembly extrudees wire rope, has increaseed the frictional force of wire rope and driving sheave for frictional force between wire rope and the driving sheave sharply increases, has influenced the traction of car and has aggravated wire rope's wearing and tearing for a long time running.
Disclosure of Invention
The invention provides a novel elevator traction system aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to provide an elevator traction system which can clean the surface of a traction rope.
The purpose of the invention can be realized by the following technical scheme:
an elevator traction system comprises a traction sheave, a brake for braking the traction sheave, a traction rope wound on the traction sheave, a diameter detection piece for detecting the real-time diameter of the traction rope, a pressing block arranged above the traction rope, an oil stain cleaning piece arranged in the pressing block and used for cleaning oil stains on the surface of the traction rope, and a controller for controlling the diameter detection piece and the oil stain cleaning piece, the lower end of the pressing block is in a circular arc shape matched with the wheel groove of the traction wheel, the upper end of the pressing block is in a rectangular shape, the oil stain cleaning piece comprises a first accommodating groove arranged in the middle of the pressing block, a second accommodating groove arranged on the left side of the first accommodating groove, a third accommodating groove arranged on the right side of the first accommodating groove, an oil stain dissolving agent injection structure arranged in the first accommodating groove, a first ultrasonic cleaning machine arranged in the second accommodating groove and a second ultrasonic cleaning machine arranged in the third accommodating groove;
the controller controls the brake to control the traction sheave when the real-time diameter detected by the diameter detection piece is smaller than a first preset diameter; the controller controls the oil stain dissolving agent injection structure to inject the oil stain dissolving agent into the hauling rope positioned below the first containing groove when the real-time diameter detected by the diameter detection piece is larger than or equal to a first preset diameter and the rotation direction of the hauling wheel is clockwise, and controls the second ultrasonic cleaning machine to be started at intervals of first preset time so that the second ultrasonic cleaning machine sends ultrasonic waves to the hauling rope positioned below the third containing groove to dissolve oil stains on the hauling rope into the oil stain dissolving agent; the controller controls the oil stain dissolving agent injection structure to inject the oil stain dissolving agent into the hauling rope positioned below the first containing groove when the real-time diameter detected by the diameter detection piece is larger than or equal to the first preset diameter and the rotating direction of the hauling wheel is anticlockwise, and controls the first ultrasonic cleaning machine to be started at intervals of first preset time so that the first ultrasonic cleaning machine sends ultrasonic waves to the hauling rope positioned below the second containing groove to dissolve oil stains on the hauling rope into the oil stain dissolving agent.
Preferably, the diameter detection piece includes that the magnetism that is located traction sheave below one end, cup joints in the towline surveys sensor and the communication unit, magnetism surveys the sensor and is used for detecting real-time magnetic leakage data and send to the controller through the communication unit when the towline passes through wherein, the controller is with the real-time magnetic leakage data conversion of acquireing to real-time diameter.
Preferably, the distance adjusting device is arranged above the pressing block and used for adjusting the distance between the pressing block and the traction wheel groove.
Preferably, apart from adjusting part including set up in the buffer cylinder of briquetting upper end, cup joint in buffer cylinder's first spring, set up in the first backup pad of buffer cylinder upper end, set up in the first thread groove of first backup pad upper end, spiro union in the first spiro union of first thread groove and be used for the first spiro union pole of rotating to adjust first backup pad towards the rotation regulation structure that promotes briquetting extrusion buffer cylinder's direction motion near the briquetting.
Preferably, the rotating adjusting structure comprises a first bevel gear arranged at the upper end of the first screw rod, a first rotating shaft arranged at the axis of the traction sheave, a second rotating shaft, a first belt with two ends respectively sleeved on the first rotating shaft and the second rotating shaft, a third rotating shaft with one end sleeved on the second rotating shaft, and a second bevel gear arranged at the other end of the third rotating shaft, wherein the second bevel gear is meshed with the first bevel gear, the second rotating shaft comprises a circular first magnetic structure therein, and at least 2 second springs with two ends respectively connected to the periphery of the first magnetic structure and the inner side wall of the second rotating shaft, the third rotating shaft is sleeved on the first magnetic structure, the periphery of the third rotating shaft is fixed with a circular second magnetic structure, the polarity of the first magnetic structure is the same as that of the second magnetic structure, and the centers of the first magnetic structure and the second magnetic structure are coincident; the controller controls the polarity change of at least one of the first magnetic structure and the second magnetic structure to enable the polarities of the first magnetic structure and the second magnetic structure to be opposite, and the second springs are symmetrically arranged on the periphery of the first magnetic structure.
Preferably, the traction sheave driving device further comprises a rotation speed sensor for detecting a real-time rotation speed of the clockwise rotation of the traction sheave, and the controller controls the polarity change of at least one of the first magnetic structure and the second magnetic structure when the real-time rotation speed is greater than a preset rotation speed so that the polarities of the first magnetic structure and the second magnetic structure are opposite.
Preferably, the first magnetic structure is a permanent magnet, the second magnetic structure comprises an electromagnet, a power supply, a first power-on circuit and a second power-on circuit, the electromagnet comprises a coil provided with a first lead-in end and a second lead-in end, the first power-on circuit comprises a first lead wire with two ends respectively connected to the first lead-in end of the coil and a positive electrode of the power supply, a first switch arranged on the first lead wire, a second lead wire with two ends respectively connected to the second lead-in end of the coil and a negative electrode of the power supply, a second switch arranged on the second lead wire, a third lead wire with two ends respectively connected to the second lead-in end of the coil and the positive electrode of the power supply, a third switch arranged on the third lead wire, a fourth lead wire with two ends respectively connected to the first lead-in end of the coil and the negative electrode of the power supply, and a fourth switch arranged on the fourth lead wire, the controller controls the polarity of the first switch and the second switch to be the same as the polarity of, and the polarity of the electromagnet is opposite to that of the first magnetic structure when the third switch and the fourth switch are controlled by the controller.
Preferably, the oil stain dissolving agent injection structure comprises an accommodating pipe for accommodating the oil stain dissolving agent, a discharge port arranged at the lower end of the accommodating pipe, a sealing plate for sealing the discharge port, a third spring for pulling the sealing plate to seal the discharge port by the sealing plate, a squeezing plate sleeved on the inner side of the accommodating pipe, a push rod connected to the squeezing plate, and a hydraulic cylinder for pushing the push rod to push the squeezing plate.
Preferably, the oil stain dissolving agent collecting device further comprises a collecting piece for collecting the oil stain dissolving agent flowing down on the traction sheave.
Preferably, the collecting member comprises an arc-shaped collecting box arranged at the lower end of the traction sheave and a supporting rod with two ends respectively connected with the arc-shaped collecting box and the pressing block.
The invention has the following beneficial effects: 1. the diameter detection part detects the real-time diameter of the hauling rope, the controller controls the brake to stop the hauling wheel when the real-time diameter is smaller than a first preset diameter, so that the condition that the thickness of the hauling rope is too small to influence the pulling of the lift car is avoided, when the real-time diameter is larger than or equal to the first preset diameter, oil contamination on the hauling rope is shown, the controller controls the oil contamination dissolving agent injection structure to inject oil contamination dissolving agent into the hauling rope positioned below the first accommodating groove, when the rotating direction of the hauling wheel is clockwise and the first preset time is separated, the controller controls the second ultrasonic cleaning machine to be started, the oil contamination dissolving agent flowing from the middle part of the pressing block falls on the hauling rope, the part of the hauling rope moves to the position below a third accommodating groove after the hauling rope rotates clockwise for the first preset time, ultrasonic waves are sent by the second ultrasonic cleaning machine to clean the oil contamination on the part of the hauling rope, and the oil contamination on the hauling rope is dissolved in the oil contamination dissolving agent, when the rotation direction of the traction sheave is anticlockwise and the time interval is a first preset time, the controller controls to start the first ultrasonic cleaning machine, the oil stain dissolving agent flowing down from the middle part of the pressing block falls on the traction rope, the traction rope moves to the position below the second accommodating groove after the traction sheave rotates anticlockwise for the first preset time, ultrasonic waves are sent out by the first ultrasonic cleaning machine to clean the oil stains on the traction rope, the oil stains on the traction rope are dissolved in the oil stain dissolving agent, the oil stain dissolving agent is injected onto the traction rope at a constant speed by the oil stain dissolving agent injection structure controlled by the controller, then the oil stains are dissolved in the oil stain dissolving agent by the ultrasonic waves sent by the first ultrasonic cleaning machine or the second ultrasonic cleaning machine, and the oil stain cleaning effect is good;
2. the rotating adjusting structure rotates the first screw rod to adjust the first supporting plate to move towards the direction close to the pressing block so as to push the pressing block to extrude the buffer cylinder, the buffer cylinder and the first spring are extruded to move towards the direction close to the traction sheave so as to extrude the traction rope, so that the pressure on the surface of the traction rope is increased, the friction force between the traction rope and the traction sheave is increased, the traction force of the traction rope is improved, the traction force of the traction rope is conveniently adjusted according to the weight of the lift car and the lifting speed of the lift car, and the adjustment is simple and convenient;
3. the polarities of the first magnetic structure and the second magnetic structure are the same, so that the third rotating shaft is not in contact with the second rotating shaft, the second rotating shaft supports the third rotating shaft, the first rotating shaft is driven to rotate by the rotation of the traction sheave, the first rotating shaft drives the first belt to rotate, the second rotating shaft is driven to rotate by the first belt, the third rotating shaft is not moved, the second bevel gear and the first bevel gear are not moved, the relative positions of the first screw rod and the thread groove are kept unchanged, the distance between the pressing block and the traction sheave is not changed, when the distance between the pressing block and the traction sheave needs to be adjusted, the controller controls the polarity change of at least one of the first magnetic structure and the second magnetic structure to enable the polarities of the first magnetic structure and the second magnetic structure to be opposite, so that the first magnetic structure and the second magnetic structure are adsorbed, the traction sheave rotates to drive the first rotating shaft, the first rotating shaft drives the second rotating shaft by the first belt, and the second rotating shaft drives the third rotating shaft by the first magnetic structure and the second magnetic structure, the first support plate can move up and down relative to the first screw connection rod, the first support plate extrudes the pressing block through the buffer cylinder and the first spring, the distance between the pressing block and the traction sheave is adjusted, and the adjustment is simple and convenient;
4. the hydraulic cylinder drives the push rod to push the extrusion plate, the extrusion plate pushes the oil stain dissolving agent, the sealing plate is pushed to be open when the force of the oil stain dissolving agent is greater than the pulling force of the third spring, the oil stain dissolving agent flows into the hauling rope from the discharge port, when the oil stain dissolving agent is not needed to be used, the force of the surface of the oil stain dissolving agent is less than the pulling force of the third spring, the third spring pulls the sealing plate to the sealed discharge port, and therefore the oil stain dissolving agent is prevented from being polluted, and the oil stain dissolving agent is injected to be simple and convenient;
5. the oil stain on the traction rope is dissolved in the oil stain dissolving agent after being cleaned by the ultrasonic cleaning machine and flows into the traction sheave, and the arc-shaped collecting box can collect the oil stain dissolving agent flowing down from the traction sheave, so that pollution is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a rotation adjustment structure in the present invention;
FIG. 3 is a side view of the present invention with the third shaft engaging the second shaft;
fig. 4 is a schematic structural view of an oil stain dissolving agent injection structure according to the present invention.
In the figure: 1-a traction sheave, 11-a traction rope, 12-a magnetic flaw detection sensor, 13-a rotation speed sensor, 14-a communication unit, 15-a controller, 2-a pressing block, 3-an oil stain dissolving agent injection structure, 31-a containing pipe, 32-a squeezing plate, 33-a pushing rod, 34-a hydraulic cylinder, 35-a sealing plate, 36-a third spring, 4-a second ultrasonic cleaner, 5-a first ultrasonic cleaner, 61-a first spring, 62-a buffer cylinder, 63-a first supporting plate, 64-a first screw rod, 71-a first rotating shaft, 72-a first belt, 73-a second rotating shaft, 74-a third rotating shaft, 75-a second bevel gear, 76-a first bevel gear, 77-a second magnetic structure, 78-a first magnetic structure, 79-second spring, 81-arc collecting box, 82-support rod.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1, 2, 3 and 4, the elevator traction system in this embodiment includes a traction sheave 1, a brake for braking the traction sheave 1, a traction rope 11 wound around the traction sheave 1, a diameter detecting member for detecting a real-time diameter of the traction rope 11, a pressing block 2 disposed above the traction rope 11, an oil stain cleaning member disposed in the pressing block 2 for cleaning oil stains on a surface of the traction rope 11, and a controller 15 for controlling the diameter detecting member and the oil stain cleaning member, wherein a lower end of the pressing block 2 is arc-shaped and matched with a sheave groove of the traction sheave 1, an upper end of the pressing block 2 is rectangular, the oil stain cleaning member includes a first receiving groove disposed in a middle of the pressing block 2, a second receiving groove disposed on a left side of the first receiving groove, a third receiving groove disposed on a right side of the first receiving groove, and an oil stain dissolving agent injection structure 3 disposed in the first receiving groove, The first ultrasonic cleaning machine 5 is arranged in the second accommodating groove, and the second ultrasonic cleaning machine 4 is arranged in the third accommodating groove;
the controller 15 controls the brake to stop the traction sheave 1 when the real-time diameter detected by the diameter detecting member is smaller than the first preset diameter; the controller 15 controls the oil stain dissolving agent injection structure 3 to inject the oil stain dissolving agent into the hauling rope 11 positioned below the first containing groove when the real-time diameter detected by the diameter detection piece is larger than or equal to the first preset diameter and the rotating direction of the hauling wheel 1 is clockwise, and controls the second ultrasonic cleaning machine 4 to be started at intervals of first preset time so that the second ultrasonic cleaning machine 4 sends ultrasonic waves to the hauling rope 11 positioned below the third containing groove to dissolve the oil stains on the hauling rope 11 into the oil stain dissolving agent; the controller 15 controls the oil stain dissolving agent injection structure 3 to inject the oil stain dissolving agent into the hauling rope 11 located below the first containing groove when the real-time diameter detected by the diameter detection piece is larger than or equal to the first preset diameter and the rotating direction of the hauling wheel 1 is anticlockwise, and controls the first ultrasonic cleaning machine 5 to be started at intervals of first preset time so that the first ultrasonic cleaning machine 5 sends ultrasonic waves to the hauling rope 11 located below the second containing groove to dissolve the oil stain on the hauling rope 11 in the oil stain dissolving agent.
Here, the diameter detecting member detects a real-time diameter of the hoist rope 11, the controller 15 controls the brake to stop the hoist rope 1 when the real-time diameter is smaller than a first preset diameter, so as to prevent the hoist rope 11 from being influenced by an excessively small thickness to pull the car, when the real-time diameter is greater than or equal to the first preset diameter, it indicates that the hoist rope 11 is contaminated with oil stains, the controller 15 controls the oil stain dissolving agent injecting structure 3 to inject the oil stain dissolving agent into the hoist rope 11 located below the first accommodating groove, when a rotating direction of the hoist rope 1 is clockwise, and a first preset time is spaced, the controller 15 controls the second ultrasonic cleaning machine 4 to be started, the oil stain dissolving agent flowing down from the middle part of the briquette 2 falls on the hoist rope 11, the part of the hoist rope 11 moves to a position below a third accommodating groove after the hoist rope 1 rotates clockwise for the first preset time, and then the second ultrasonic cleaning machine 4 sends ultrasonic waves to clean the oil stains on the part of the hoist rope 11, the oil stain on the hauling rope 11 is dissolved in the oil stain dissolving agent, when the rotation direction of the hauling wheel 1 is anticlockwise and the time interval is first preset time, the controller 15 controls to start the first ultrasonic cleaning machine 5, the oil stain dissolving agent flowing from the middle of the pressing block 2 falls on the hauling rope 11, the part of the hauling rope 11 moves to the lower part of the second accommodating groove after the hauling wheel 1 rotates anticlockwise for the first preset time, then the first ultrasonic cleaning machine 5 sends out ultrasonic waves to clean the oil stain on the part of the hauling rope 11, so that the oil stain on the hauling rope 11 is dissolved in the oil stain dissolving agent, the controller 15 controls the oil stain dissolving agent injection structure 3 to inject the oil stain dissolving agent to the hauling rope 11 at a constant speed, and then the first ultrasonic cleaning machine 5 or the second ultrasonic cleaning machine 4 sends out ultrasonic waves to dissolve the oil stain in the oil stain dissolving agent, and the oil stain cleaning effect is good. The lower end of the pressing block 2 is arc-shaped matched with the wheel groove of the traction sheave 1, and the upper end of the pressing block 2 is rectangular, so that the traction rope 11 can be conveniently extruded, and the pressing block 2 can be conveniently adjusted.
The diameter detection piece can include be located traction sheave 1 below one end, cup joint in the magnetism of towline 11 and visit sensor 12 and communication unit 14, and magnetism visits sensor 12 and is used for detecting real-time magnetic leakage data and sends to controller 15 through communication unit 14 when towline 11 passes through wherein, and controller 15 converts the real-time magnetic leakage data who obtains into real-time diameter, and it is comparatively convenient to detect.
The elevator traction system in the embodiment may further include a distance adjusting member disposed above the pressing block 2 to adjust a distance between the pressing block 2 and the groove of the traction sheave 1.
The distance adjusting member may include a buffer cylinder 62 disposed at an upper end of the pressing block 2, a first spring 61 sleeved on the buffer cylinder 62, a first supporting plate 63 disposed at an upper end of the buffer cylinder 62, a first thread groove disposed at an upper end of the first supporting plate 63, a first screw rod 64 screwed to the first thread groove, and a rotation adjusting structure for rotating the first screw rod 64 to adjust the first supporting plate 63 to move toward a direction close to the pressing block 2 so as to push the pressing block 2 to extrude the buffer cylinder 62. The rotating adjusting structure rotates the first screw rod 64 to adjust the first supporting plate 63 to move towards the direction close to the pressure block 2 so as to push the pressure block 2 to extrude the buffer cylinder 62, the buffer cylinder 62 and the first spring 61 are extruded to move towards the direction close to the traction sheave 1 so as to extrude the traction rope 11, so that the pressure on the surface of the traction rope 11 is increased, the friction force between the traction rope 11 and the traction sheave 1 is further increased, the traction force of the traction rope 11 is improved, the traction force of the traction rope 11 is conveniently adjusted according to the weight of the car and the lifting speed of the car, and the adjustment is simple and convenient.
The rotation adjusting structure may include a first bevel gear 76 disposed at the upper end of the first screw rod 64, a first rotating shaft 71 disposed at the axis of the traction sheave 1, a second rotating shaft 73, a first belt 72 having two ends respectively sleeved on the first rotating shaft 71 and the second rotating shaft 73, a third rotating shaft 74 having one end sleeved on the second rotating shaft 73, and a second bevel gear 75 disposed at the other end of the third rotating shaft 74, the second bevel gear 75 is meshed with the first bevel gear 76, the second rotating shaft 73 comprises a circular first magnetic structure 78 and at least 2 second springs 79, two ends of each second spring are respectively connected to the periphery of the first magnetic structure 78 and the inner side wall of the second rotating shaft 73, the third rotating shaft 74 is sleeved on the first magnetic structure 78, the periphery of the third rotating shaft 74 is fixedly provided with a circular second magnetic structure 77, the polarity of the first magnetic structure 78 is the same as that of the second magnetic structure 77, and the circle centers of the first magnetic structure 78 and the second magnetic structure 77 are overlapped; the controller 15 controls the polarity of at least one of the first and second magnetic structures 77 to be changed so that the polarities of the first and second magnetic structures 78 and 77 are opposite to each other, and the second springs 79 are symmetrically disposed on the outer circumference of the first magnetic structure 78. The polarities of the first magnetic structure 78 and the second magnetic structure 77 are the same, so that the third rotating shaft 74 and the second rotating shaft 73 are not in contact, the second rotating shaft 73 supports the third rotating shaft 74, the first rotating shaft 71 is rotated by the rotation of the traction sheave 1, the first rotating shaft 71 drives the first belt 72 to rotate, the first belt 72 drives the second rotating shaft 73 to rotate, the third rotating shaft 74 is not rotated, the second bevel gear 75 and the first bevel gear 76 are not rotated, the relative positions of the first screw rod 64 and the thread groove are kept unchanged, the distance between the pressure block 2 and the traction sheave 1 is unchanged, when the distance between the pressure block 2 and the traction sheave 1 needs to be adjusted, the controller 15 controls the polarity of at least one of the first magnetic structure and the second magnetic structure 77 to be changed so that the polarities of the first magnetic structure 78 and the second magnetic structure are opposite, the first magnetic structure 78 and the second magnetic structure 77 are attracted, the traction sheave 1 rotates to drive the first rotating shaft 71, first pivot 71 passes through first belt 72 and drives second pivot 73, second pivot 73 drives third pivot 74 through first magnetic structure 78 and second magnetic structure 77, and then drives second bevel gear 75, second bevel gear 75 drives first bevel gear 76 to make first spiro rod 64 rotate, then first backup pad 63 can be for first spiro rod 64 up-and-down motion, first backup pad 63 extrudees briquetting 2 through cushion cylinder 62 and first spring 61, realize adjusting the distance between briquetting 2 and traction sheave 1, it is simple and convenient to adjust. The device also comprises a first bearing arranged on the first screw rod 64 and positioned at the upper end of the first bevel gear 76, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, wherein one end of the first connecting rod is connected with one end of the outer ring of the first bearing, the other end of the first connecting rod is connected with the third connecting rod, one end of the second connecting rod is connected with the other end of the outer ring of the first bearing, the other end of the second connecting rod is connected with the fourth connecting rod, a second bearing is arranged in the middle of the traction wheel 1, the third connecting rod is connected with one end of the second bearing, and the fourth connecting rod is connected.
As the elevator traction system in this embodiment may further include a rotation speed sensor 13 for detecting a real-time rotation speed of the traction sheave 1 rotating clockwise, and the controller 15 controls a polarity of at least one of the first and second magnetic structures 78 and 77 to be changed to have a polarity opposite to that of the first and second magnetic structures when the real-time rotation speed is greater than a preset rotation speed. When the real-time rotating speed is greater than the preset rotating speed, a larger traction force is needed, the pressure on the traction rope 11 can be adjusted by rotating the adjusting structure to increase the traction force of the traction rope 11, the rotating speed sensor 13 detects the real-time rotating speed of the traction sheave 1, and the traction force of the traction rope 11 can be accurately adjusted when the rotating speed is increased.
The first magnetic structure 78 may be a permanent magnet, the second magnetic structure 77 includes an electromagnet, a power supply, a first current path, and a second current path, the electromagnet includes a coil having a first lead-in and a second lead-in, the first current path includes a first conductive wire having two ends respectively connected to the first lead-in of the coil and a positive electrode of the power supply, a first switch disposed on the first conductive wire, a second conductive wire having two ends respectively connected to the second lead-in of the coil and a negative electrode of the power supply, a second switch disposed on the second conductive wire, a third conductive wire having two ends respectively connected to the second lead-in of the coil and the positive electrode of the power supply, a third switch disposed on the third conductive wire, a fourth conductive wire having two ends respectively connected to the first lead-in of the coil and a negative electrode of the power supply, and a fourth switch disposed on the fourth conductive wire, the controller 15 controls the polarity of the electromagnet to be the same as the polarity of the first magnetic structure 78 when the first switch and the second, the polarity of the electromagnet is opposite to the polarity of the first magnetic structure 78 when the third switch and the fourth switch are closed by the controller 15. The first switch and the second switch are opened and closed simultaneously, the third switch and the fourth switch are opened and closed simultaneously, and only one of the first switch and the third switch can be opened.
The oil stain dissolving agent injection structure 3 comprises an accommodating pipe 31 for accommodating the oil stain dissolving agent, a discharge hole arranged at the lower end of the accommodating pipe 31, a sealing plate 35 for sealing the discharge hole, a third spring 36 for pulling the sealing plate 35 to seal the discharge hole by the sealing plate 35, a squeezing plate 32 sleeved on the inner side of the accommodating pipe 31, a pushing rod 33 connected to the squeezing plate 32, and a hydraulic cylinder 34 for pushing the pushing rod 33 to push the squeezing plate 32. The hydraulic cylinder 34 pushes the extrusion plate 32 by driving the push rod 33, the extrusion plate 32 pushes the oil stain dissolving agent, the sealing plate 35 is pushed open when the force of the oil stain dissolving agent is greater than the pulling force of the third spring 36, the oil stain dissolving agent flows into the traction rope 11 from the discharge port, when the oil stain dissolving agent is not needed, the force on the surface of the oil stain dissolving agent is less than the pulling force of the third spring 36, the third spring 36 pulls the sealing plate 35 to the sealed discharge port, therefore, the oil stain dissolving agent is prevented from being polluted, and the oil stain dissolving agent is easy and convenient to inject. The accommodating tube 31 may be fixed in the first accommodating groove.
The elevator traction system as in this embodiment may further include a collecting member to collect the oil stain dissolving agent flowing down the traction sheave 1.
The collecting member may include an arc-shaped collecting box 81 provided at a lower end of the traction sheave 1, and a supporting rod 82 having both ends connected to the arc-shaped collecting box 81 and the pressing block 2, respectively. The oil stain on the traction rope 11 is dissolved in the oil stain dissolving agent after being cleaned by the ultrasonic cleaning machine and flows into the traction sheave 1, and the arc-shaped collecting box 81 can collect the oil stain dissolving agent flowing down from the traction sheave 1, so that pollution is avoided. One end of the supporting rod 82 can be welded on the pressing block 2, and the other end can be fixed on the arc-shaped collecting box 81 through a nut.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. An elevator traction system is characterized in that: the hoisting device comprises a traction sheave (1), a brake for braking the traction sheave (1), a traction rope (11) wound on the traction sheave (1), a diameter detection piece for detecting the real-time diameter of the traction rope (11), a pressing block (2) arranged above the traction rope (11), an oil stain cleaning piece arranged in the pressing block (2) and used for cleaning oil stains on the surface of the traction rope (11), and a controller (15) used for controlling the diameter detection piece and the oil stain cleaning piece, wherein the lower end of the pressing block (2) is in a circular arc shape matched with a wheel groove of the traction sheave (1), the upper end of the pressing block (2) is in a rectangular shape, and the oil stain cleaning piece comprises a first accommodating groove arranged in the middle of the pressing block (2), a second accommodating groove arranged on the left side of the first accommodating groove, a third accommodating groove arranged on the right side of the first accommodating groove, and an oil stain dissolving agent injection structure (3) arranged in the first accommodating groove, A first ultrasonic cleaning machine (5) arranged in the second accommodating groove and a second ultrasonic cleaning machine (4) arranged in the third accommodating groove;
the controller (15) controls the brake to brake the traction sheave (1) when the real-time diameter detected by the diameter detection piece is smaller than a first preset diameter; the controller (15) controls the oil stain dissolving agent injection structure (3) to inject the oil stain dissolving agent into the hauling rope (11) positioned below the first containing groove when the real-time diameter detected by the diameter detection piece is larger than or equal to a first preset diameter and the rotating direction of the hauling wheel (1) is clockwise, and controls the second ultrasonic cleaning machine (4) to be started at intervals of first preset time so that the second ultrasonic cleaning machine (4) sends ultrasonic waves to the hauling rope (11) positioned below the third containing groove to dissolve oil stains on the hauling rope (11) into the oil stain dissolving agent; the controller (15) controls the oil stain dissolving agent injection structure (3) to inject the oil stain dissolving agent into the hauling rope (11) positioned below the first containing groove when the real-time diameter detected by the diameter detection piece is larger than or equal to a first preset diameter and the rotating direction of the hauling wheel (1) is anticlockwise, and controls the first ultrasonic cleaning machine (5) to be started at intervals of first preset time so that the first ultrasonic cleaning machine (5) sends ultrasonic waves to the hauling rope (11) positioned below the second containing groove to dissolve oil stains on the hauling rope (11) into the oil stain dissolving agent.
2. An elevator traction system as defined in claim 1, wherein: diameter detection spare is including being located traction sheave (1) below one end, cup jointing in magnetic detection sensor (12) and communication unit (14) of towline (11), magnetic detection sensor (12) are used for detecting real-time magnetic leakage data and send to controller (15) through communication unit (14) when towline (11) pass through wherein, real-time magnetic leakage data conversion that controller (15) will acquire is real-time diameter.
3. An elevator traction system as defined in claim 1 or 2, wherein: and the distance adjusting piece is arranged above the pressing block (2) and used for adjusting the distance between the pressing block (2) and the groove of the traction sheave (1).
4. An elevator traction system as defined in claim 3, wherein: the distance adjusting part comprises a buffer cylinder (62) arranged at the upper end of the pressing block (2), a first spring (61) sleeved on the buffer cylinder (62), a first supporting plate (63) arranged at the upper end of the buffer cylinder (62), a first thread groove arranged at the upper end of the first supporting plate (63), a first screw rod (64) screwed in the first thread groove, and a rotating adjusting structure for rotating the first screw rod (64) to adjust the first supporting plate (63) to move towards the direction close to the pressing block (2) so as to push the pressing block (2) to extrude the buffer cylinder (62).
5. An elevator traction system as defined in claim 4, wherein: the rotating adjusting structure comprises a first bevel gear (76) arranged at the upper end of a first screw rod (64), a first rotating shaft (71) arranged at the axis of the traction sheave (1), a second rotating shaft (73), a first belt (72) with two ends respectively sleeved on the first rotating shaft (71) and the second rotating shaft (73), a third rotating shaft (74) with one end sleeved on the second rotating shaft (73), and a second bevel gear (75) arranged at the other end of the third rotating shaft (74), wherein the second bevel gear (75) is meshed with the first bevel gear (76), the second rotating shaft (73) comprises a circular first magnetic structure (78) and at least 2 second springs (79) with two ends respectively connected to the periphery of the first magnetic structure (78) and the inner side wall of the second rotating shaft (73), the third rotating shaft (74) is sleeved on the first magnetic structure (78), and a circular second magnetic structure (77) is fixed on the periphery of the third rotating shaft (74), the polarity of the first magnetic structure (78) is the same as that of the second magnetic structure (77), and the circle centers of the first magnetic structure (78) and the second magnetic structure (77) are overlapped; the controller (15) controls the polarity change of at least one of the first magnetic structure and the second magnetic structure (77) to enable the polarities of the first magnetic structure (78) and the second magnetic structure to be opposite, and the second springs (79) are symmetrically arranged on the periphery of the first magnetic structure (78).
6. An elevator traction system as defined in claim 5, wherein: the traction sheave driving device further comprises a rotating speed sensor (13) used for detecting the real-time rotating speed of the clockwise rotation of the traction sheave (1), and the controller (15) controls the polarity change of at least one of the first magnetic structure and the second magnetic structure (77) when the real-time rotating speed is larger than the preset rotating speed so that the polarities of the first magnetic structure (78) and the second magnetic structure are opposite.
7. An elevator traction system as defined in claim 5, wherein: the first magnetic structure (78) is a permanent magnet, the second magnetic structure (77) comprises an electromagnet, a power supply, a first electrifying circuit and a second electrifying circuit, the electromagnet comprises a coil provided with a first lead-in end and a second lead-in end, the first electrifying circuit comprises a first lead wire, a first switch, a second lead wire, a second switch, a third lead wire, a third switch, a fourth lead wire and a fourth switch, the first lead wire and the second electrifying circuit are respectively connected with the first lead-in end of the coil and the positive pole of the power supply, the two ends of the first lead wire are respectively connected with the first lead-in end of the coil and the negative pole of the power supply, the second lead wire is arranged on the second lead wire, the two ends of the third lead wire are respectively connected with the second lead-in end of the coil and the positive pole of the power supply, the third switch is arranged on the third lead wire, the fourth switch is arranged on the fourth lead wire, and the controller (15) controls the polarity of the electromagnet to be the same as that of the, and the controller (15) controls the polarity of the electromagnet to be opposite to that of the first magnetic structure (78) when the third switch and the fourth switch are closed.
8. An elevator traction system as defined in claim 1 or 2, wherein: the oil stain dissolving agent injection structure (3) comprises an accommodating pipe (31) for accommodating an oil stain dissolving agent, a discharge port arranged at the lower end of the accommodating pipe (31), a sealing plate (35) for sealing the discharge port, a third spring (36) for pulling the sealing plate (35) to enable the sealing plate (35) to seal the discharge port, a squeezing plate (32) sleeved on the inner side of the accommodating pipe (31), a push rod (33) connected to the squeezing plate (32), and a hydraulic cylinder (34) for pushing the push rod (33) to push the squeezing plate (32).
9. An elevator traction system as defined in claim 1 or 2, wherein: the oil stain dissolving machine also comprises a collecting piece used for collecting the oil stain dissolving agent flowing down on the traction wheel (1).
10. An elevator traction system as defined in claim 9, wherein: the collecting piece comprises an arc-shaped collecting box (81) arranged at the lower end of the traction sheave (1) and a supporting rod (82) of which the two ends are respectively connected with the arc-shaped collecting box (81) and the pressing block (2).
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| CN202010278266.8A CN111332903B (en) | 2020-04-10 | 2020-04-10 | Elevator traction system |
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| CN202010278266.8A CN111332903B (en) | 2020-04-10 | 2020-04-10 | Elevator traction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113309228A (en) * | 2021-05-29 | 2021-08-27 | 河北春绿环保科技有限公司 | Side suction type movable workshop |
| CN115321294A (en) * | 2022-08-11 | 2022-11-11 | 浙江蒂尔森电梯有限公司 | Elevator traction machine with self-checking system and self-checking method |
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| CN115321294B (en) * | 2022-08-11 | 2024-05-24 | 浙江蒂尔森电梯有限公司 | Elevator traction machine with self-checking system and self-checking method |
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| CN111332903B (en) | 2021-10-15 |
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