CN112551314A - Single-upright-column elevator lifting system and elevator - Google Patents

Single-upright-column elevator lifting system and elevator Download PDF

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Publication number
CN112551314A
CN112551314A CN202010931808.7A CN202010931808A CN112551314A CN 112551314 A CN112551314 A CN 112551314A CN 202010931808 A CN202010931808 A CN 202010931808A CN 112551314 A CN112551314 A CN 112551314A
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CN
China
Prior art keywords
elevator
upright post
counterweight
elevator car
traction
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Granted
Application number
CN202010931808.7A
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Chinese (zh)
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CN112551314B (en
Inventor
李安生
郭志强
王志坚
李牧远
何文斌
毛红生
靳彤
李彦彦
周春巧
郑趁意
蔡一洲
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Zhengzhou University of Light Industry
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Zhengzhou University of Light Industry
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Priority to CN202010931808.7A priority Critical patent/CN112551314B/en
Publication of CN112551314A publication Critical patent/CN112551314A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00Kinds or types of lifts in, or associated with, buildings or other structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02Cages, i.e. cars
    • B66B11/0206Car frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00Hoistway equipment
    • B66B17/12Counterpoises
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/02Guideways; Guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/02Guideways; Guides
    • B66B7/04Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
    • B66B7/047Shoes, sliders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/06Arrangements of ropes or cables

Abstract

A single-upright-column elevator lifting system and an elevator belong to the technical field of multi-storey building elevators; the single-upright-column elevator lifting system comprises a counterweight, a traction machine, a movable pulley A and a traction rope. The traction machine is positioned at the top of the upright post, the counterweight slides up and down on the belly of the upright post, the movable pulley A is fixed at the top of the elevator car, two ends of the traction rope are fixed in the machine room, and the counterweight, the traction wheel and the movable pulley A are sequentially connected in the middle. The counterweight is arranged to apply tension to the elevator car in advance, so that the load of the traction machine is reduced, and the requirements on the bearing capacity and the output power of the traction machine are reduced. The elevator adopting the lifting system further comprises a machine room, an elevator car, a stand column, a speed limiter and a safety gear. The machine room is positioned on a plane formed by connecting the top of the upright post with the ring beam at the top of the building; the elevator car slides on the upright post through the sliding shoes, and is provided with a first-layer access door, a high-layer access door and a turning or telescopic pedal. The section of the upright post is I-shaped.

Description

Single-upright-column elevator lifting system and elevator
Technical Field
The invention relates to the technical field of elevators for multi-storey buildings, in particular to a single-upright-column elevator lifting system and an elevator.
Background
Since the country has been built, the elders pay youth and blood sweat for four modern constructions, and the Chinese economy has the remarkable achievement. The living conditions of people in China are changed day by day. However, for these ancestors who silently dedicate a lifetime to the economic development of our country, they who enter the elderly rarely enjoy the fruit paid for by themselves. Taking an elevator as an example, the ancestors mostly live in buildings below ten stories built before the ninety years. These buildings are often not equipped with elevators at the time of their design and construction. For ancestors living in high floors, the body is hard to endure the movement of going upstairs and downstairs every day. For the environment that lives are close to the ancestors, the ancestors are also difficult to leave, and elevators need to be added urgently to facilitate the travel of the ancestors. However, these buildings are often relatively compact in layout and do not have sufficient space to be constructed on a large scale. Even if elevators can be installed, they are awkward and require flexible installation to meet the needs of these ancestors. The construction amount of the single-column elevator is small, the construction mode is relatively flexible, and the installation of the equipment which can be adaptively changed according to the actual situation is carried out.
However, in the prior art, the design of the single-column elevator is simple and practicable, and the design of the elevator system is not more detailed, as in the patents with publication numbers CN 108046077 a and CN108033337 a. In the prior art, the drive motor is required to carry the entire load in the elevator car, so that the requirements on the carrying capacity and the output power of the drive motor are high.
Disclosure of Invention
The invention aims to solve the problems and provides a single-column elevator lifting system and an elevator.
The technical scheme of the invention is as follows: a lifting system of a single-upright-column elevator comprises a traction machine, a counterweight, a movable pulley A and a traction rope;
the traction machine is arranged in a machine room at the top of the single-upright-column elevator, and a traction sheave on the traction machine is matched with the direction of a traction rope;
the counterweight is arranged in the belly of the upright post of the single upright post elevator, can slide in the longitudinal direction in the belly of the upright post, and is provided with a movable pulley B matched with the trend of the hoisting rope; the movable pulley B is fixed on the counterweight through threads;
the two movable pulleys A are arranged on the top of the elevator car in a group, are separated from two sides of the upright post and are matched with the trend of the hoisting rope; the movable pulley A is fixed on the top of the elevator car through threads;
one end of the hoisting rope is fixed in the machine room, the other end of the hoisting rope downwards passes through the movable pulley A at the top of the elevator car and then changes direction upwards, the hoisting rope changes direction after passing through the hoisting wheel of the machine room and then downwards again, passes through the belly of the stand column to reach the counterweight and is changed direction upwards again by the movable pulley B on the counterweight, and finally the hoisting rope is fixed in the machine room;
the upright post penetrates through the interior of the elevator car, a counterweight guide rail matched with a counterweight is arranged on the abdomen of the upright post, and an elevator car guide rail is arranged on the outer side surface of the upright post;
the top and the bottom of the elevator car are provided with sliding shoes matched with the guide rails of the elevator car, and the sliding shoes are symmetrically arranged on two sides of the position where the upright post penetrates.
Preferably, the counterweight is between the maximum load and the minimum load of the elevator, so that the requirements of the elevator on the output torque and the output power of a traction machine are further reduced; and the movable pulley B is offset by 10-25 degrees relative to the center symmetry plane of the counterweight.
Preferably, the stand column is a stand column with an I-shaped cross section, a protective shell is coated on one side provided with the counterweight, and the protective shell wraps the counterweight and a hoisting rope for drawing the counterweight.
Preferably, the traction machine is close to the upright post; the traction sheave is offset by 10-25 degrees relative to the central plane of the upright post.
Preferably, the elevator car guide rail and the counterweight guide rail are T-shaped steel.
An elevator adopting the system also comprises a machine room, an elevator car and a stand column;
the elevator car is also provided with a first-layer access door and a high-layer access door, and the bottom of the elevator car is provided with a pedal; the high-rise entrance and exit door is matched with an elevator entrance and exit arranged on a building in size and is corresponding in position;
the top of the upright post is connected with the machine room, and the bottom of the upright post is provided with a pit partially buried underground; the side surface of the pit is provided with a gentle slope which faces upwards from the ground level, and the direction of the gentle slope corresponds to that of the first-layer access door; the gentle slope is connected with the ground plane and the top end of the pit.
Preferably, the machine room is arranged on a plane formed by connecting the top of the stand column with the ring beam at the top of the building.
Preferably, the one-layer access door is split-type or push-pull type, and the high-layer access door is split-type.
Preferably, the pedal is arranged at the bottom of the elevator car and is turned over, and the turning pedal is a turning pedal; or the telescopic pedal is arranged in the bottom interlayer and automatically extends and retracts to form a telescopic pedal; the length of the pedal extending outwards relative to the elevator car is larger than or equal to the length of the elevator access door and the high-rise access door which are arranged on the building after being in butt joint after the pedal is matched with the elevator access door.
The invention has the beneficial effects that: the invention relates to a single-upright-column elevator lifting system and an elevator. The traction machine is positioned at the top of the upright post, the counterweight slides up and down on the belly of the upright post, the movable pulley A is fixed at the top of the elevator car, two ends of the traction rope are fixed in the machine room, and the counterweight, the traction wheel and the movable pulley A are sequentially connected in the middle. The counterweight is arranged to apply tension to the elevator car in advance, so that the load of the traction machine is reduced, and the requirements on the bearing capacity and the output power of the traction machine are reduced.
The elevator adopting the lifting system further comprises a machine room, an elevator car, a stand column, a speed limiter, a safety gear and a buffer. The machine room is positioned on a plane formed by connecting the top of the upright post with the ring beam at the top of the building; the elevator car slides on the upright post through the sliding shoes, and is provided with a first-layer access door, a high-layer access door and a turning or telescopic pedal. The section of the upright post is I-shaped. The whole structure is compact and stable.
Drawings
Fig. 1 presents a diagrammatic illustration of the structure of an elevator of the single-column elevator hoisting system according to the invention;
FIG. 2 is a front partial cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view I of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is an enlarged view II of FIG. 4;
FIG. 6 is a cross-sectional view B-B of FIG. 2;
FIG. 7 is an enlarged view III of FIG. 6;
FIG. 8 is a cross-sectional view C-C of FIG. 2;
in the figure: 1. the elevator comprises a machine room, 11, a traction machine, 111, a traction sheave, 2, an elevator car, 21, a movable pulley A, 22, a sliding shoe, 23, a first-floor access door, 24, a high-floor access door, 25, a pedal, 3, an upright post, 31, a counterweight rail, 32, an elevator car guide rail, 33, a protective shell, 34, a pit, 341, a gentle slope, 4, a lifting system, 41, a counterweight, 411, a movable pulley B, 42, a traction rope, 5, a speed limiter, 6, a safety clamp, 7, a tension pulley and 8 a safety steel wire rope.
Detailed Description
The first embodiment is as follows: referring to fig. 1-8, a single-column elevator lifting system comprises a traction machine, a counterweight, a movable pulley A and a traction rope;
the traction machine is arranged in a machine room at the top of the single-upright-column elevator, and a traction sheave on the traction machine is matched with the direction of a traction rope;
the counterweight is arranged in the belly of the upright post of the single-upright-post elevator, can slide in the longitudinal direction in the belly of the upright post, and is provided with a movable pulley B matched with the trend of the hoisting rope, so that the gravity center of the whole hoisting system is close to the upright post, and the stability and the reliability of the elevator in the operation process are ensured; the movable pulley B is fixed on the counterweight through threads;
the two movable pulleys A are arranged on the top of the elevator car in a group, are separated from the two sides of the upright post and are matched with the trend of the hoisting rope, so that the elevator car receives upward tensile force of the hoisting rope on the two sides of the upright post, the stress is stable and balanced, and the stability of the elevator in the up-and-down movement process is ensured; the movable pulley A is fixed on the top of the elevator car through threads;
one end of the hoisting rope is fixed in the machine room, the other end of the hoisting rope downwards passes through the movable pulley A at the top of the elevator car and then changes direction upwards, the hoisting rope changes direction after passing through the hoisting wheel of the machine room and then downwards again, passes through the belly of the stand column to reach the counterweight and is changed direction upwards again by the movable pulley B on the counterweight, and finally the hoisting rope is fixed in the machine room; the tension required by the operation of the whole elevator is reduced by the arranged counterweight, so that the requirements on the output torque and the output power of a traction machine are reduced;
the upright post penetrates through the interior of the elevator car, a counterweight rail matched with a counterweight is arranged on the abdomen of the upright post, and an elevator car guide rail is arranged on the outer side surface of the upright post; through the counterweight rail, the stability of the counterweight in sliding in the longitudinal direction is ensured, and the running stability of the whole lifting system is further ensured;
the top and the bottom of the elevator car are provided with sliding shoes matched with the elevator car guide rails, the two sides of the part where the upright post penetrates are symmetrically arranged, and the sliding shoes matched with the elevator car guide rails are arranged to ensure the stability of the elevator car in the operation process.
The counterweight is between the maximum load and the minimum load of the elevator, so that the requirements of elevator lifting on the output torque and the output power of a traction machine are further reduced; the counterweight mass size accords with the counterweight mass required by the national elevator standard.
The stand be the stand that the cross section is the I-shaped, the belly cladding that is equipped with heavy one side has the protective housing, this protective housing is separated heavy and through its towline and other sections towlines and is come to avoid hoisting system's towline to take place to twine each other and interfere.
The traction machine is close to the upright column, so that the downward pulling force borne by the traction machine is transferred to the upper surface of the upright column as much as possible.
The elevator car guide rail and the counterweight guide rail are made of T-shaped steel.
An elevator adopting the system also comprises a machine room, an elevator car and a stand column;
the elevator car is also provided with a first-layer access door and a high-layer access door, and the bottom of the elevator car is provided with a pedal; the high-rise access door is matched with an elevator access opening arranged on the building in size and corresponding in position and is arranged for entering the building from the interior of the elevator car;
the top of the upright post is connected with the machine room, the bottom of the upright post is provided with a pit partially buried underground, and the pit is similar to the foundation, so that the whole elevator is more stable; the side surface of the pit is provided with a gentle slope which faces upwards from the ground level, and the direction of the gentle slope corresponds to that of the first-layer access door.
The machine room is arranged on a plane formed by connecting the top of the upright post with the ring beam at the top of the building.
The first-layer access door is split or push-pull, and the high-layer access door is split; when the elevator is at a high level, the opening of the first-level access door is forbidden.
The pedal is arranged at the bottom of the elevator car and is turned over, and the turning pedal is a turning pedal (the application number is CN201921705081.X, the publication number is CN210682922U, the granted announcement date is 20200605, and the patent name is that the elevator is modified by driving a buttress on a double-upright column of a multi-storey house); or a retractable pedal (refer to patent with application number of CN201711426113.8, publication number of CN108033337A, publication number of 20180515, and patent name of elevator for multi-storey house driven by hoisting rope center) which is arranged in the bottom interlayer and automatically retracts; the length of the pedal, which extends outwards relative to the elevator car after the pedal is matched with the elevator entrance is more than or equal to the length of the elevator entrance arranged on a modified building and the length of the elevator entrance after the entrance is butted with the entrance; when the elevator reaches the designated floor, the step is caught between the elevator car and the building so that elevator passengers can smoothly walk from it into the interior of the building.
The elevator also comprises a speed limiter, a safety clamp, a safety steel wire rope and a tension pulley;
the speed limiter is arranged in a machine room at the top of the upright post; the tensioning wheel is arranged in the pit;
the safety tongs are arranged between the car inner barrel and the stand column, fixed in the car inner barrel and sequentially communicated with the speed limiter and the tensioning wheel through a safety steel wire rope to form an annular structure; the tension pulley ensures that the whole safety steel wire rope is tightened, and the speed limiter ensures that the safety steel wire rope is blocked by the safety tongs arranged on the elevator car when the safety tongs overspeed.
The traction machine is provided with a brake.
The working process of the invention is as follows: when the elevator car ascends, the movable pulley B at the top of the elevator car ascends along with the elevator car, and the hoisting rope section between the movable pulley B and the bottom of the machine room is shortened due to the pulling of the counterweight in the protective shell; the counterweight will descend and further draw the rope section of the hauling rope between the counterweight and the bottom of the machine room to extend; the shortening amount of the rope section of the hoisting rope between the movable pulley B and the bottom of the machine room is equal to the elongation amount of the rope section of the hoisting rope between the counterweight and the bottom of the machine room; the traction machine is arranged between the two sections of the traction rope sections in the machine room, and the traction sheave on the traction machine is used for connecting and transitioning the two sections of the traction rope sections; and the counterweight can provide fixed upward pulling force for the movable pulley B through the hauling rope, so that the load required to be born by the traction machine is reduced, and the requirement on the output power of the traction machine is lowered.

Claims (9)

1. A lifting system of a single-upright-column elevator is characterized by comprising a traction machine, a counterweight, a movable pulley A and a traction rope;
the traction machine is arranged on the tractor
In a machine room at the top of the upright post elevator, a traction sheave on the upright post elevator is matched with the trend of a traction rope;
the counterweight is arranged in the belly of the upright post of the single upright post elevator, can slide in the longitudinal direction in the belly of the upright post, and is provided with a movable pulley B matched with the trend of the hoisting rope; the movable pulley B is fixed on the counterweight through threads;
the two movable pulleys A are arranged on the top of the elevator car in a group, are separated from two sides of the upright post and are matched with the trend of the hoisting rope; the movable pulley A is fixed on the top of the elevator car through threads;
one end of the hoisting rope is fixed in the machine room, the other end of the hoisting rope downwards passes through the movable pulley A at the top of the elevator car and then changes direction upwards, the hoisting rope changes direction after passing through the hoisting wheel of the machine room and then downwards again, passes through the belly of the stand column to reach the counterweight and is changed direction upwards again by the movable pulley B on the counterweight, and finally the hoisting rope is fixed in the machine room;
the upright post penetrates through the interior of the elevator car, a counterweight guide rail matched with a counterweight is arranged on the abdomen of the upright post, and an elevator car guide rail is arranged on the outer side surface of the upright post;
the top and the bottom of the elevator car are provided with sliding shoes matched with the guide rails of the elevator car, and the sliding shoes are symmetrically arranged on two sides of the position where the upright post penetrates.
2. The single-mast elevator hoist system of claim 1, wherein: the counterweight is between the maximum load and the minimum load of the elevator, so that the requirements of elevator lifting on the output torque and the output power of a traction machine are further reduced; and the movable pulley B is offset by 10-25 degrees relative to the center symmetry plane of the counterweight.
3. The single-mast elevator hoist system of claim 1, wherein: the stand be the stand that the cross section is the I-shaped, the side cladding that is equipped with to heavy has the protective housing, this protective housing wraps up to heavy and traction rope that draws to heavy.
4. The single-mast elevator hoist system of claim 1, wherein: the traction machine is close to the upright post; the traction sheave is offset by 10-25 degrees relative to the central plane of the upright post.
5. The single-mast elevator hoist system of claim 1, wherein: the elevator car guide rail and the counterweight guide rail are made of T-shaped steel.
6. An elevator adopting the system is characterized by further comprising a machine room, an elevator car and a stand column;
the elevator car is also provided with a first-layer access door and a high-layer access door, and the bottom of the elevator car is provided with a pedal; the high-rise entrance and exit door is matched with an elevator entrance and exit arranged on a building in size and is corresponding in position;
the top of the upright post is connected with the machine room, and the bottom of the upright post is provided with a pit partially buried underground; the side surface of the pit is provided with a gentle slope which faces upwards from the ground level, and the direction of the gentle slope corresponds to that of the first-layer access door; the gentle slope is connected with the ground plane and the top end of the pit.
7. The elevator employing the single-mast elevator hoist system of claim 6, characterized in that: the machine room is arranged on a plane formed by connecting the top of the upright post with the ring beam at the top of the building.
8. The elevator employing the single-mast elevator hoist system of claim 6, characterized in that: the first-layer access door is split or push-pull, and the high-layer access door is split.
9. The elevator employing the single-mast elevator hoist system of claim 6, characterized in that: the pedal is arranged at the bottom of the elevator car and is turned over to be a turning pedal; or the telescopic pedal is arranged in the bottom interlayer and automatically extends and retracts to form a telescopic pedal; the length of the pedal extending outwards relative to the elevator car is larger than or equal to the length of the elevator access door and the high-rise access door which are arranged on the building after being in butt joint after the pedal is matched with the elevator access door.
CN202010931808.7A 2020-09-08 2020-09-08 Single-upright-column elevator lifting system and elevator Active CN112551314B (en)

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Application Number Priority Date Filing Date Title
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CN112551314B CN112551314B (en) 2022-02-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220048737A1 (en) * 2020-08-12 2022-02-17 Otis Elevator Company Elevator system and supporting column assembly thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101691181A (en) * 2009-09-21 2010-04-07 杭州优耐德电梯有限公司 Household traction lifting device
CN101948062A (en) * 2010-10-22 2011-01-19 湖南海诺电梯有限公司 Roller friction-driven elevator with carrier type cabin
CN104477736A (en) * 2012-10-12 2015-04-01 广州广日电梯工程有限公司 Shaft elevator installation method
CN207511644U (en) * 2017-11-07 2018-06-19 苏州瑞钰特自动化科技有限公司 A kind of duplex household internal elevator
CN108584649A (en) * 2018-07-17 2018-09-28 苏州富士精工电梯有限公司 A kind of two compact-sized floor common type elevators
CN110498323A (en) * 2019-08-21 2019-11-26 升华电梯有限公司 A kind of hoistway height adjustable pair is led straight trip elevator
CN111792494A (en) * 2019-06-21 2020-10-20 李安生 Single-upright-column multi-storey building elevator with traction machine arranged at lower part

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101691181A (en) * 2009-09-21 2010-04-07 杭州优耐德电梯有限公司 Household traction lifting device
CN101948062A (en) * 2010-10-22 2011-01-19 湖南海诺电梯有限公司 Roller friction-driven elevator with carrier type cabin
CN104477736A (en) * 2012-10-12 2015-04-01 广州广日电梯工程有限公司 Shaft elevator installation method
CN207511644U (en) * 2017-11-07 2018-06-19 苏州瑞钰特自动化科技有限公司 A kind of duplex household internal elevator
CN108584649A (en) * 2018-07-17 2018-09-28 苏州富士精工电梯有限公司 A kind of two compact-sized floor common type elevators
CN111792494A (en) * 2019-06-21 2020-10-20 李安生 Single-upright-column multi-storey building elevator with traction machine arranged at lower part
CN110498323A (en) * 2019-08-21 2019-11-26 升华电梯有限公司 A kind of hoistway height adjustable pair is led straight trip elevator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220048737A1 (en) * 2020-08-12 2022-02-17 Otis Elevator Company Elevator system and supporting column assembly thereof
US11673774B2 (en) * 2020-08-12 2023-06-13 Otis Elevator Company Elevator system and supporting column assembly thereof

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