CN113928956A - Elevator is from dust removal rope sheave - Google Patents

Elevator is from dust removal rope sheave Download PDF

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Publication number
CN113928956A
CN113928956A CN202111355297.XA CN202111355297A CN113928956A CN 113928956 A CN113928956 A CN 113928956A CN 202111355297 A CN202111355297 A CN 202111355297A CN 113928956 A CN113928956 A CN 113928956A
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CN
China
Prior art keywords
rope
shaped
magnet
elevator
fixed
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Granted
Application number
CN202111355297.XA
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Chinese (zh)
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CN113928956B (en
Inventor
刘飔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Furder Diving Technology Co ltd
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Individual
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Priority to CN202111355297.XA priority Critical patent/CN113928956B/en
Publication of CN113928956A publication Critical patent/CN113928956A/en
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Publication of CN113928956B publication Critical patent/CN113928956B/en
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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
    • B66B7/1276—Cleaning means
    • B66B7/1284—Cleaning means specially adapted for ropes or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys
    • F16H55/50—Features essential to rope pulleys
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

The invention relates to an elevator self-dedusting rope pulley, which is designed based on the starting point that a constantly-contacted brush is large in abrasion, frequent in replacement and high in maintenance cost, so that dust on a driving rope is cleaned under the condition that the rotating speed of a rope is low when an elevator starts to ascend and descends, the low-speed cleaning can effectively reduce the vibration of dust and oil sludge, the cleaning is more effective, the driving rope is not cleaned any more when the rotating speed is too high, and the elevator stops on each floor, so that the device can effectively clean the driving rope comprehensively but can not clean continuously, the maintenance period can be effectively reduced while the cleaning effect is ensured, and the elevator self-dedusting rope pulley has higher practicability and economical efficiency.

Description

Elevator is from dust removal rope sheave
Technical Field
The invention relates to the field of elevator rope wheel dust removal equipment, in particular to an elevator self-dust removal rope wheel.
Background
The elevator rope pulley is a pulley fixed on the car or a car bracket, the elevator driving rope passes through the rope pulley, the up-and-down movement of the car is realized under the action of a driving device, the elevator driving rope needs to clean dust adhered on the elevator driving rope pulley, the vibration of the elevator in operation caused by the unevenness of a rope pulley track due to the accumulation of the dust on the rope pulley is prevented, the potential safety hazard to the operation of the elevator is caused when the accumulation amount of the sludge reaches a certain degree, generally, a ring-type fixed brush is sleeved on the driving rope in the method for cleaning the dust at the present stage, the dust is directly brushed away by bristles, the maintenance cost is increased because the bristles are constantly contacted with the rope, the service life of the brush is very limited due to the fact that the brush is always worn by the driving rope in the operation of the elevator, the brush needs to be frequently replaced, and the dust is accumulated on the driving rope for a long time, so that the continuous dust brushing is unnecessary, therefore, a new dust removal for the sheave is needed at present to solve the above problems.
Disclosure of Invention
Aiming at the situation, the invention provides the self-dedusting rope pulley for the elevator, which effectively solves the problems of short service life, frequent replacement and high maintenance cost of a brush in the dedusting process of the existing rope pulley.
The technical scheme for solving the problems comprises a support and a rope pulley, wherein the rope pulley is rotatably arranged on the support, a T-shaped rod is fixed on the rear side of the support, the left side and the right side of the T-shaped rod are respectively provided with a U-shaped rod with a forward opening, the middle positions of bottom rods of the two U-shaped rods are respectively rotatably arranged at the two end parts of the transverse rod end of the T-shaped rod through a shaft, the shaft is sleeved with a coil spring capable of resetting the U-shaped rod, a side rod of each U-shaped rod is provided with a brush, and the brush hairs of the brushes on the two side rods on the U-shaped rod face opposite directions;
the front end face of the rope wheel is provided with a ring-shaped groove coaxial with the ring-shaped groove, the front end of the ring-shaped groove is provided with a cylinder coaxial with the ring-shaped groove, the diameter of the cylinder is larger than the inner diameter of the ring-shaped groove and smaller than the outer diameter of the ring-shaped groove, the outer circular surface of the cylinder is sleeved with a ring-shaped magnet capable of sliding along the axis direction of the cylinder, an L-shaped magnet is arranged in the ring-shaped groove in a sliding manner, the ring-shaped magnet can be adsorbed by the ring-shaped magnet when being close to the L-shaped magnet, a plurality of sliding grooves are locally arranged on the outer edge face of the cylinder at intervals along the axial direction, rollers fixed on the ring-shaped magnet are arranged in the sliding grooves, a first spring capable of enabling the ring-shaped magnet to reset towards the direction of the ring-shaped groove is arranged in the sliding manner, a plurality of balancing weights which correspond to the sliding grooves one by one and are arranged on the front end face of the cylinder are uniformly distributed on the circumference of the front end face of the cylinder, the balancing weights are connected with the ring-shaped magnet through a first rope, when the rope wheel rotates, the balancing weights are driven by the first rope to separate from the L-shaped magnet, the front end of the L-shaped magnet is provided with a pin shaft which is horizontally forward, the left side and the right side of the pin shaft are respectively provided with a second rope, and the free ends of the second ropes are respectively fixed at the end parts of side rods outside the corresponding U-shaped rods.
Preferably, the annular magnet and the L-shaped magnet can attract and adsorb each other, and cannot magnetically adsorb other components on the rope pulley, and the annular groove and the cylinder are both made of materials which cannot be adsorbed by the magnet.
Preferably, the end face of the cylinder is provided with slide rails in one-to-one correspondence with the balancing weights, and the balancing weights are slidably mounted on the slide rails.
Preferably, the inner end and the outer end of each balancing weight are respectively provided with a fixed pulley, one end of the first rope is fixed on the annular magnet, the other end of the first rope sequentially passes through the fixed pulleys on the outer side of the balancing weight, and the fixed pulleys on the inner side of the balancing weight are fixed on the balancing weight after passing around.
Preferably, a positioning rod is arranged on the inner side of each balancing weight, a second spring is arranged between each positioning rod and each balancing weight, one end of each second spring is fixed on each balancing weight, and the other end of each second spring is fixed on each positioning rod.
Preferably, the edge of the L-shaped magnet in contact with the annular magnet is in arc transition, and the edge of the annular magnet in contact with the L-shaped magnet is in arc transition.
Preferably, a dust collecting cover is sleeved on a side rod of each U-shaped rod positioned at the inner side.
Preferably, the length of the side bar of each U-shaped bar positioned on the outside is longer than the length of the side bar positioned on the inside.
Preferably, L shape magnet is fan-shaped structure, inlays on the extrados of L shape magnet and has the ball, and the ball can roll with the ring channel lateral wall and laminate.
The device is designed based on the starting points of great abrasion of the constantly-contacted brush, frequent replacement and high maintenance cost, so that the device cleans dust on the driving rope in the state of low rotating speed of the rope when the ascending and descending of the elevator start and finish, ensures the cleaning effect, effectively reduces the maintenance period and has practicability and economy.
Drawings
Fig. 1 is a front view of the sheave of the present invention when it is not rotating.
Fig. 2 is a front view of the initial stage of clockwise rotation of the sheave of the present invention.
FIG. 3 is a top view of the present invention.
Fig. 4 is a left partial sectional view of the sheave of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from fig. 1 to 4, the rope sheave comprises a support 1 and a rope sheave 2, wherein the rope sheave 2 is rotatably mounted on the support 1, a T-shaped rod 3 is fixed on the rear side of the support 1, a U-shaped rod 4 with a forward opening is respectively arranged on each of the left side and the right side of the T-shaped rod 3, the middle positions of the bottom rods of the two U-shaped rods 4 are respectively rotatably mounted at the two ends of the transverse rod end of the T-shaped rod 3 through a shaft, a coil spring 5 capable of resetting the U-shaped rod 4 is sleeved on the shaft, a brush 6 is mounted on each side rod 4, the brushes 6 are detachably mounted on the side rods of the U-shaped rods 4, the brush hairs of the brushes 6 on the two side rods 4 face opposite directions, and when the bottom rods of the U-shaped rods 4 are horizontal, the brush hairs on the side rods 4 on the inner side are upward, and the brush hairs on the brush 6 are opened in a fan shape;
the front end face of the rope pulley 2 is provided with an annular groove 7 coaxial with the rope pulley, the front end of the annular groove 7 is provided with a cylinder coaxial with the annular groove, the diameter of the cylinder is larger than the inner diameter of the annular groove 7 and smaller than the outer diameter of the annular groove 7, the outer circular surface of the cylinder is sleeved with an annular magnet 8 capable of sliding along the axial direction of the cylinder, an L-shaped magnet is arranged in the annular groove 7 in a sliding manner, a part of the inner side wall of the annular groove 7 is blocked by the cylinder, the L-shaped magnet is clamped in the annular groove 7, the annular magnet 8 can be adsorbed by the L-shaped magnet when being close to the L-shaped magnet, a plurality of sliding grooves are locally arranged on the outer edge face of the cylinder at intervals along the axial direction of the cylinder, rollers fixed on the annular magnet 8 are arranged in the sliding grooves, a first spring capable of enabling the annular magnet 8 to reset towards the annular groove 7 is arranged in the sliding grooves, one end of the first spring is fixed on a roller frame, the other end is fixed on the inner cell wall of spout, circumference equipartition and a plurality of balancing weights that correspond one-to-one with the spout and slidable mounting on the cylinder front end face on the preceding terminal surface of cylinder, the balancing weight is connected through first rope 13 with annular magnet 8, balancing weight is through first rope 13 drive annular magnet 8 break away from L shape magnet under the effect of centrifugal force when rope sheave 2 rotates, the front end of L shape magnet is equipped with level round pin axle 12 forward, the left and right sides of round pin axle 12 respectively is equipped with a second rope 13, the free end of second rope 13 is fixed respectively at the side lever tip in the U-shaped pole 4 outside that corresponds.
In order to prevent the annular magnet 8 and the L-shaped magnet from being interfered by other magnetic materials, the annular magnet 8 and the L-shaped magnet can attract and adsorb each other and cannot generate magnetic adsorption with other components on the rope pulley 2, and the annular groove 7 and the cylinder are both made of materials which cannot be adsorbed by the magnets.
In order to realize the sliding installation of the balancing weight, the end face of the cylinder is provided with sliding rails which are in one-to-one correspondence with the balancing weight, and the balancing weight is arranged on the sliding rails in a sliding manner.
In order to realize that the balancing weight drives the annular magnet 8 through the first rope 13, the inner end and the outer end of each balancing weight are respectively provided with a fixed pulley, one end of the first rope 13 is fixed on the annular magnet 8, the other end of the first rope 13 is sequentially wound on the fixed pulley at the outer side of the balancing weight, and then the fixed pulley at the inner side of the balancing weight is fixed on the balancing weight.
In order to realize the resetting of the balancing weight, a positioning rod is arranged on the inner side of each balancing weight, a second spring is arranged between each positioning rod and each balancing weight, one end of each second spring is fixed on each balancing weight, and the other end of each second spring is fixed on each positioning rod.
In order to realize that the annular magnet 8 can be adsorbed with the L-shaped magnet to the maximum extent when resetting, the edge of the contact between the L-shaped magnet and the annular magnet 8 is in arc transition, and the edge of the contact between the annular magnet 8 and the L-shaped magnet is in arc transition.
In order to collect dust, a dust collecting cover 16 is sleeved on the side rod of each U-shaped rod 4 positioned on the inner side.
In order to achieve the mounting of the second rope 13, the side bar length of each U-shaped bar 4 placed on the outside is longer than the side bar length placed on the inside.
In order to reduce the friction between the L-shaped magnet and the annular groove 7 when the rope pulley 2 rotates at a high speed, the L-shaped magnet is of a fan-shaped structure, a ball is embedded on the outer arc surface of the L-shaped magnet, and the ball can be attached to the outer side wall of the annular groove 7 in a rolling mode.
The specific working process of the invention is as follows: this device is installed rope sheave 2 on the car through support 1 when using, the elevator drive rope passes from a plurality of inslots of rope sheave 2, the drive rope passes in the middle of two U-shaped poles 4 about from, the epaxial wind spring 5 of U-shaped pole 4 bottom bar drives the bottom bar of U-shaped pole 4 and tends to the horizontality when not atress, but make rope sheave 2 be higher than the outside lever in U-shaped pole 4 inboard pole when not rotating or high-speed rotation under the effect of second rope 13, L shape magnet is arranged in the top position under the initial condition, make annular magnet 8 be close to and adsorb each other to L shape magnet under the reset action of second spring and second spring.
When the rope pulley 2 rotates clockwise in the initial stage, the driving rope on the left side is tightened, at the moment, the annular magnet 8 and the L-shaped magnet are adsorbed, so that the L-shaped magnet and the rope pulley 2 cannot rotate relatively, the L-shaped magnet rotates clockwise along with the rope pulley 2, the right side rope 13 is loosened, the left side rope 13 is tightened, the right side rope 13 is loosened, the bottom rod of the U-shaped rod 4 on the right side is in a horizontal state, the U-shaped rod 4 on the left side is arranged on the side rod on the inner side and the side rod on the outer side are close to the driving rope, bristles of the hairbrush 6 on the side rod are contacted with the driving rope, the movement of the driving rope realizes that the bristles clean dust on the driving rope, the dust on the inner side is directly brushed by the dust on the outer side and falls onto the rope pulley 2 in a collecting mode under the action of the dust collection cover 16 to form sludge, the initial speed is low and the acceleration is gradual when the elevator moves, so that the rotating speed of the rope pulley 2 is low when the rope pulley starts to rotate, l shape magnet can not remove following rope sheave 2 after left side rope 13 is taut, L shape magnet and follow the relative rope sheave 2 friction slip of annular magnet 8 absorption this moment, after rope 13 speed reaches a certain degree, the centrifugal force that rope sheave 2 rotated the provided makes the balancing weight outwards remove, the balancing weight outwards removes along the slide rail in this process, tighten up first rope 13, first spring and second spring are all stretched, it drives L shape magnet to realize the balancing weight under the guide effect of fixed pulley and drives annular magnet 8 and keep away from L shape magnet gradually, the friction between L shape magnet and the ring channel 7 reduces this moment, realize two U-shaped poles 4 and reset to initial condition under the reset effect of coil spring 5, make annular magnet 8 laminate again and adsorb with L shape magnet again under the reset effect of first spring and second spring after rope 13 deceleration.
When the rope 13 rotates anticlockwise, the motion modes of the left U-shaped rod 4 and the right U-shaped rod 4 are opposite, the brush 6 on the right U-shaped rod 4 removes dust on the right driving rope, the bottom rod of the left U-shaped rod 4 is kept in a horizontal state, at the moment, the clockwise rotation and the anticlockwise rotation of the rope pulley 2 correspond to the upward movement and the downward movement of the car, and the position is adaptively changed according to the rotation speed of the rope pulley 2 because the limiting L-shaped magnet of the second rope 13 always slides close to the upper position of the rope pulley 2.
Compared with the traditional equipment, the device has the following advantages:
1. this device is big with contact type brush 6 wearing and tearing constantly, it is frequent to change, this device of maintenance cost design for the starting point of problem, make this device go up and down to begin to clean the dust on the driving rope under the state that 13 rotational speeds of rope are low when finishing at the elevator, the low-speed vibrations that can effectual reduction dust fatlute of cleaning, it is more effective to make the cleanness, it is no longer clean when the rotational speed is too fast, because the elevator all stops at each floor, consequently, this device can effectually carry out comprehensive cleanness to the driving rope, but can not last clean, can also effectual reduction maintenance cycle when having guaranteed clean effect, practicality and economic nature more have.
2. Wherein set up dust cage 16 in the inboard pole brush 6 outside of U-shaped pole 4, can effectually avoid fatlute to splash to on the rope sheave 2, brush 6 and its contact and dust removal when the left and right sides drive rope all is from bottom to top motion when removing, and brush 6 and dust cage 16 under this state can effectually collect the dust fatlute, prevent its splash.
3. This device respectively sets up a set of dust collector in both sides, and every dust collector homoenergetic of group cleans each clearance in both sides of driving rope for the driving rope removes dust more high-efficiently comprehensive, and two sets of dust collecting equipment alternate motion coordinate the up-and-down of elevator simultaneously, can cover the cleanness of whole driving rope completely and make clean no dead angle, makes whole device reasonable high-efficient more when using.

Claims (9)

1. An elevator self-dedusting rope sheave comprises a support (1) and a rope sheave (2), and is characterized in that the rope sheave (2) is rotatably mounted on the support (1), a T-shaped rod (3) is fixed on the rear side of the support (1), U-shaped rods (4) with forward openings are respectively arranged on the left side and the right side of the T-shaped rod (3), the middle positions of bottom rods of the two U-shaped rods (4) are respectively rotatably mounted at the two ends of the transverse rod end of the T-shaped rod (3) through shafts, a coil spring (5) capable of enabling the U-shaped rods (4) to reset is sleeved on each shaft, a brush (6) is mounted on a side rod of each U-shaped rod (4), and bristles of the brushes (6) on the two side rods on the U-shaped rods (4) face in opposite directions;
the front end face of the rope pulley (2) is provided with an annular groove (7) coaxial with the annular groove, the front end of the annular groove (7) is provided with a cylinder coaxial with the annular groove, the diameter of the cylinder is larger than the inner diameter of the annular groove (7) and smaller than the outer diameter of the annular groove (7), the outer circular surface of the cylinder is sleeved with an annular magnet (8) capable of sliding along the axis direction of the cylinder, an L-shaped magnet is arranged in the annular groove (7) in a sliding manner, the annular magnet (8) can be adsorbed with the annular magnet when being close to the L-shaped magnet, a plurality of sliding grooves are formed in the outer edge face of the cylinder at intervals along the axial direction, rollers fixed on the annular magnet (8) are arranged in the sliding grooves, first springs capable of enabling the annular magnet (8) to reset towards the direction of the annular groove (7) are arranged in the sliding grooves, a plurality of balancing weights which correspond to the sliding grooves one by one are uniformly distributed on the front end face of the cylinder, the balancing weight is connected through first rope (13) with annular magnet (8), and the balancing weight breaks away from L shape magnet through first rope (13) drive annular magnet (8) under the effect of centrifugal force when rope sheave (2) rotate, and the front end of L shape magnet is equipped with level round pin axle (12) forward, and the left and right sides of round pin axle (12) respectively is equipped with one second rope (13), and the side lever tip in the U-shaped pole (4) outside that corresponds is fixed respectively to the free end of second rope (13).
2. The elevator self-dedusting sheave according to claim 1, characterized in that the ring-shaped magnet (8) and the L-shaped magnet are not capable of magnetically attracting other components of the sheave (2) except for attracting and adsorbing each other, and the ring-shaped magnet (7) and the cylinder are made of materials incapable of being attracted by magnets.
3. The elevator self-dedusting rope pulley according to claim 1, wherein the end surface of the cylinder is provided with slide rails corresponding to the balancing weights one by one, and the balancing weights are slidably mounted on the slide rails.
4. The elevator self-dedusting rope pulley according to claim 1, wherein each of the counterweight blocks has a fixed pulley at each of the inner end and the outer end, one end of the first rope (13) is fixed on the ring-shaped magnet (8), and the other end of the first rope sequentially passes through the fixed pulley at the outer side of the counterweight block and is fixed on the counterweight block after passing around the fixed pulley at the inner side of the counterweight block.
5. The self-dedusting rope pulley for the elevator as recited in claim 1, wherein a positioning rod is disposed inside each counterweight, a second spring is disposed between the positioning rod and the counterweight, one end of the second spring is fixed to the counterweight, and the other end of the second spring is fixed to the positioning rod.
6. The elevator self-dedusting sheave according to claim 1, wherein the ridges of the L-shaped magnets in contact with the ring-shaped magnet (8) are in arc transition, and the ridges of the ring-shaped magnet (8) in contact with the L-shaped magnet are in arc transition.
7. An elevator self-dusting sheave as claimed in claim 1, characterized in that a dust cage (16) is fitted over the inner side of each U-shaped bar (4).
8. Elevator self-dusting sheave according to claim 1, characterised in that the side bar of each U-bar (4) placed on the outside is longer than the side bar placed on the inside.
9. The elevator self-dedusting rope pulley according to claim 1, characterized in that the L-shaped magnet is of a fan-shaped structure, and a ball is embedded on the outer arc surface of the L-shaped magnet and can be in rolling fit with the outer side wall of the annular groove (7).
CN202111355297.XA 2021-11-16 2021-11-16 Elevator is from dust removal rope sheave Active CN113928956B (en)

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Application Number Priority Date Filing Date Title
CN202111355297.XA CN113928956B (en) 2021-11-16 2021-11-16 Elevator is from dust removal rope sheave

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Application Number Priority Date Filing Date Title
CN202111355297.XA CN113928956B (en) 2021-11-16 2021-11-16 Elevator is from dust removal rope sheave

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CN113928956A true CN113928956A (en) 2022-01-14
CN113928956B CN113928956B (en) 2023-05-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04169493A (en) * 1990-10-15 1992-06-17 Mitsubishi Denki Bill Techno Service Kk Cleaning brush tool for elevator hoist
JP2011037606A (en) * 2009-08-17 2011-02-24 Mitsubishi Electric Building Techno Service Co Ltd Cleaning tool for driving sheave of elevator hoisting machine
CN107285164A (en) * 2017-08-23 2017-10-24 湖州力奥电梯配件有限公司 A kind of anti-greasy filth rope sheave
CN107337065A (en) * 2016-04-28 2017-11-10 天津隆勤电梯部件有限公司 A kind of good rope sheave of dust reduction capability
CN208308185U (en) * 2018-05-16 2019-01-01 允成机电科技(上海)有限公司 A kind of diversion sheave type dust arrester of traction elevator
CN109264540A (en) * 2018-09-28 2019-01-25 天津乐驰电梯配件有限公司 A kind of adjustable elevator drive rope sheave having cleaning function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04169493A (en) * 1990-10-15 1992-06-17 Mitsubishi Denki Bill Techno Service Kk Cleaning brush tool for elevator hoist
JP2011037606A (en) * 2009-08-17 2011-02-24 Mitsubishi Electric Building Techno Service Co Ltd Cleaning tool for driving sheave of elevator hoisting machine
CN107337065A (en) * 2016-04-28 2017-11-10 天津隆勤电梯部件有限公司 A kind of good rope sheave of dust reduction capability
CN107285164A (en) * 2017-08-23 2017-10-24 湖州力奥电梯配件有限公司 A kind of anti-greasy filth rope sheave
CN208308185U (en) * 2018-05-16 2019-01-01 允成机电科技(上海)有限公司 A kind of diversion sheave type dust arrester of traction elevator
CN109264540A (en) * 2018-09-28 2019-01-25 天津乐驰电梯配件有限公司 A kind of adjustable elevator drive rope sheave having cleaning function

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