WO2019024836A1 - Ascenseur à levage de sécurité par vérinage direct en spirale - Google Patents

Ascenseur à levage de sécurité par vérinage direct en spirale Download PDF

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Publication number
WO2019024836A1
WO2019024836A1 PCT/CN2018/097720 CN2018097720W WO2019024836A1 WO 2019024836 A1 WO2019024836 A1 WO 2019024836A1 CN 2018097720 W CN2018097720 W CN 2018097720W WO 2019024836 A1 WO2019024836 A1 WO 2019024836A1
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WO
WIPO (PCT)
Prior art keywords
elevator
spiral
lifting
spring
strip
Prior art date
Application number
PCT/CN2018/097720
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English (en)
Chinese (zh)
Inventor
金虎杰
Original Assignee
芜湖昊葛金自动化科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 芜湖昊葛金自动化科技有限公司 filed Critical 芜湖昊葛金自动化科技有限公司
Publication of WO2019024836A1 publication Critical patent/WO2019024836A1/fr

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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
    • B66B7/02—Guideways; Guides
    • B66B7/023—Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation

Definitions

  • the invention relates to the field of elevator lifting technology, in particular to a spiral straight top type safety elevator.
  • Elevators are widely used in people's lives, such as high-rise residential buildings, shopping malls, etc., which bring great convenience to people's production and life.
  • Modern elevators are mainly composed of traction machine winches, guide rails, counterweights, safety devices (such as speed limiters, safety gears and buffers), signal control systems, cars and hall doors. These parts are installed in the hoistway and machine room of the building.
  • the wire rope friction transmission is usually adopted, the wire rope bypasses the traction sheave, the two ends are respectively connected with the car and the balance weight, and the electric motor drives the traction sheave to lift the car.
  • Such elevators still have the phenomenon of car falling. In real life, elevator failures or casualties often occur, requiring regular maintenance and overhaul.
  • screw-type elevators are mostly the principle of raising and lowering the side screw-type connection box, but the conventional noise of the screw is large, the processing precision of the screw is high, the manufacturing cost is high, and the length of the screw needs to match the lifting height. Taking up a lot of space, it can't solve the problem of car falling.
  • the technical problem to be solved by the present invention is to provide a spiral straight top type safety elevator.
  • a spiral straight top type safety elevator comprising an elevator supporting rail frame, an elevator car sliding up and down along the elevator supporting rail frame, and an elevator supporting rail frame enclosing an elevator shaft, wherein the elevator supporting rail frame is supported along the elevator
  • a height sensor connected to the controller is mounted on the top and bottom of the elevator car.
  • the controller is a PLC.
  • the elevator car is mounted with a car guide rail that is slidably engaged with the elevator support rail frame.
  • a lift guard for the ultimate protection of the screw jack is installed on the bottom floor of the elevator shaft; the lift guard is a limit post made of rubber material at the top.
  • a buffer device is installed between the screw jack and the elevator car.
  • the cushioning device is a spring or a rubber mat.
  • the screw jack comprises a fixed base, a platform rotating around the fixed base, a storage box mounted on the platform, a spring flat belt stored in the storage box, mounted in the fixed base and matched with the spring flat belt to form a spiral A toothed spring strip of the cylinder, a belt rail lifting mechanism mounted on the platform for restraining the lifting or contracting movement of the toothed spring strip, and a rail guide for engaging the spring flat belt with the toothed spring strip.
  • the platform includes a storage box bracket that is mounted on the upper end of the fixed base and that is relatively rotatable relative to the storage box, a driving force input mechanism that is mounted on the lower end surface of the storage box bracket, and a motor that is coupled to the driving force input mechanism.
  • the driving force input mechanism is any one of a sprocket and a worm wheel.
  • the spring flat belt is provided with two rows of uniform holes along the length of the spring flat belt; the toothed spring strips are evenly provided with teeth that can be engaged with the holes.
  • the belt rail lifting mechanism comprises a lifting cylinder, and a limiting roller for guiding the lifting and lowering of the toothed spring strip and guiding the double-row spiral arrangement is arranged on the lifting cylinder body in the axial direction of the lifting cylinder.
  • the storage box bracket is provided with a retaining groove for the toothed spring strip to pass through when lifting.
  • the rail guide frame includes a plurality of guide brackets distributed along the circumferential direction, is mounted on the corresponding guide brackets, and has the same pitch as the spiral cylinders and is used for pressing the spring flat strips to engage the spring flat strips with the toothed spring strips.
  • the track guide frame includes an outer frame that is coaxially distributed with the track lifting mechanism and has a non-closed ring shape, a plurality of blocks that are evenly spirally distributed along the inner side wall of the outer frame and have the same pitch and pitch of the spiral cylinder.
  • the invention has the beneficial effects that the structure design of the invention is reasonable, the space is compact, the elevator structure is simplified, the traditional wire rope traction type and the screw type elevator are replaced, and the space is greatly saved, and the screw lift is used to provide lifting from the bottom of the elevator car.
  • the force effectively solves the problem of the elevator car falling, and makes up for the defects of the traditional elevator safety.
  • the spring flat belt and the tooth spring strip are spirally engaged to form a spiral cylinder to realize lifting, which solves the traditional lifting.
  • the mechanism occupies a technical problem of a large space size, and the lifting force does not suddenly become smaller due to an increase in the height of the lift, and the stability is higher.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • Figure 2 is a schematic perspective view showing an embodiment of a screw jack of the present invention
  • Figure 3 is a schematic view showing the internal structure of an embodiment of the screw jack of the present invention.
  • Figure 4 is a plan view of an embodiment of the screw jack of the present invention.
  • Figure 5 is a top perspective view of an embodiment of the screw jack of the present invention.
  • Figure 6 is a front perspective view of the embodiment of the screw jack of the present invention with the fixed base removed;
  • Figure 7 is a schematic structural view of a storage box bracket of an embodiment of a screw jack according to the present invention.
  • Figure 8 is a schematic structural view of a screw jack and a down guard of the present invention.
  • Figure 9 is a perspective structural view showing another embodiment of the screw jack of the present invention.
  • Figure 10 is a front elevational view showing another embodiment of the screw jack of the present invention.
  • Figure 11 is a half cross-sectional view showing another embodiment of the screw jack of the present invention.
  • Figure 12 is a full cross-sectional view showing another embodiment of the screw jack of the present invention.
  • a spiral straight top type safety elevator includes an elevator support rail frame 17, an elevator car 18 sliding up and down along the elevator support rail frame 17, and an elevator supporting rail frame 17 enclosing the elevator.
  • a plurality of limit sensors 19 are arranged on the elevator support rail frame 17 along the height direction of the elevator support rail frame 17, and the bottom of the elevator car 18 is connected to drive the elevator car 18 to be lifted and fixed in the elevator.
  • the screw jack 24 on the ground floor of the well 25 also includes a controller for connecting to the limit sensor 19 to control the operation of the screw jack 24.
  • the invention provides the supporting force from the bottom of the elevator car 18 through the screw jack 24, and the lifting stability is superior, without any violent up and down swaying phenomenon, strong impact resistance and high safety performance.
  • a height sensor 20 connected to the controller is mounted on the top and bottom of the elevator car 18.
  • the limit sensor 19 and the height sensor 20 transmit the acquired signal to the controller, and the controller can control the screw lift 24 to operate or brake to synchronously drive the elevator car 18 to lift or brake.
  • the controller is a PLC.
  • the elevator car 18 is mounted with a car guide rail 5 slidably engaged with the elevator support rail frame 17, so that the elevator car 18 can slide along the car guide rail 5 and the elevator support rail frame 17 under the driving of the screw jack 24. Lift and lower under the guidance of the coordination.
  • An elevator guard 22 for protecting the lower limit of the screw jack 24 is mounted on the bottom floor of the elevator shaft 25; the elevator guard 22 is a limit post made of rubber material at the top.
  • a buffer device 23 is mounted between the screw jack 24 and the elevator car 18.
  • the cushioning device is a spring or a rubber pad, so that it can function as a buffer and shockproof between the screw jack 24 and the elevator car 18.
  • the screw jack of the present invention has two embodiments, which are respectively as follows:
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the screw jack 24 includes a fixed base, a platform that rotates around the fixed base, a storage box 6 mounted on the platform, and a spring flat belt stored in the storage box 1.
  • the spring flat belt 1 is engaged with the toothed spring strip 2 to engage the rail guide frame 4.
  • the external power drives the platform to rotate, and then drives the belt lifting mechanism 3 to rotate.
  • the belt lifting mechanism 3 causes the toothed spring strip 2 to be lifted and lowered under the guiding action of the belt lifting mechanism 3, and the synchronous traction spring flat belt 1 spirals up. Under the squeezing action of the rail guide frame 4, the spring flat strip 1 and the toothed spring strip 2 bite together to form a spirally rising cylinder.
  • the fixed base includes a lifting mechanism base 10, a force supporting barrel 5 vertically mounted on the upper end of the lifting mechanism base 10 by a rotating pair, and a plurality of fixing brackets 11 for restricting the degree of freedom of rotation of the toothed spring strip 2.
  • the fixing bracket 11 of the invention can prevent the toothed spring strip 2 from rotating during the lifting process. If the toothed spring strip 2 rotates, the spring flat belt 1 and the toothed spring strip 2 can only be idling without rising. Movement, ie idling, can result in a lifting function that cannot be achieved.
  • the platform includes a storage box bracket 7 mounted on the upper end of the fixed base, a driving force input mechanism 8 mounted on the lower end surface of the storage box bracket 7, and a motor 26 connected to the driving force input mechanism 8.
  • the external power drives the driving force input mechanism 8 to drive the storage box bracket 7 to drive the belt rail lifting mechanism 3 to rotate.
  • the driving force input mechanism 8 is any one of a sprocket and a worm wheel.
  • the spring flat belt 1 is provided with a plurality of rows of uniformly spaced holes 1a along the longitudinal direction of the spring flat belt 1; the toothed spring strips 2 are uniformly provided with teeth 2a which are engageable with the holes 1a.
  • the toothed spring strip 2 continuously engages the new tooth 2a into the new hole 1a of the spring flat belt 1 during the ascending process, so that the spiral cylinder can be continuously climbed.
  • the belt rail lifting mechanism 3 includes a lifting cylinder 3a on which a limit for guiding the lifting and lowering of the toothed spring strip 2 and which constitutes a double row spiral arrangement is provided along the axis direction of the lifting cylinder 3a.
  • the roller 3b has a larger spacing between the two pairs of cooperating limit rollers 3b on the double row spiral arrangement than the thickness of the toothed spring strip 2.
  • the toothed spring strip 2 is lifted up along the double row spirally arranged limit rollers 3b by the rotational force of the lift cylinder 3a.
  • the invention adopts the double-row spiral arranged limit roller 3b to guide the lifting and lowering of the toothed spring strip 2, effectively preventing the shaking and dislocation of the toothed spring strip 2 during the lifting process, and ensuring the accuracy of the movement and The stability is such that the teeth 2a are engaged with the perforations 1a.
  • the lifting cylinder 3a is mounted on the upper end of the force supporting bucket 5, and the limiting roller 3b is rotatable about the joint with the lifting cylinder 3a.
  • the limit roller 3b is a roller bearing.
  • the storage box bracket 7 is provided with a positioning groove 15 for the toothed spring strip 2 to pass through when lifting, so as to ensure that the lifting movement of the toothed spring strip 2 does not interfere with the rotation movement of the storage box bracket 7, and the structure The design is reasonable.
  • the upper end of the storage box bracket 7 is uniformly disposed in the circumferential direction with a plurality of storage box bottom bearing seats 14 for engaging with the bottom of the storage box 6, and the storage box 6 is uniformly arranged in the circumferential direction.
  • the outer casing 13 of the storage box at the upper end of the storage box holder 7 has such a structural design that the storage box 6 can be freely rotated with the elastic force of the spring flat belt 1.
  • the rail guide frame 4 includes a plurality of guide brackets 4a distributed along the circumferential direction, mounted on the corresponding guide brackets 4a to form the same pitch as the spiral cylinders and used to press the spring flat belts 1 to make the spring flat belts 1 and teeth
  • the plurality of blocks 4b of the spring strip 2 are engaged.
  • the block 4b is offset from the occlusal portion of the spring flat strip 1 and the toothed spring strip 2 and abuts against the outer side surface of the spring flat strip 1, and the spring flat strip 1 can be gradually brought closer to the toothed spring strip 2 by the clip 4b and finally The spring flat strip 1 is snapped together with the toothed spring strip 2.
  • the number of the sliders 4b mounted on each of the guide brackets 4a is two or three.
  • the axis of the cylindrical shape in which the toothed spring strips 2 are stacked coincides with the axis of the force supporting bucket 5.
  • the upper end of the spiral cylinder is connected with a lifting body top fixing clamp 9, and the upper end of the clamping jaw 9 at the top of the lifting body can be used for carrying objects, in order to ensure the safety and reliability of the entire lifting movement.
  • the present invention also mounts an elevator guard 22 for defining a lower limit position for lowering the lifter top retaining collet 9 on the lift mechanism base 10, as specifically seen in Fig. 8, such that the lifter top retaining collet 9 does not continue The decline has played a good protective role.
  • a fixing seat 16 is mounted on the upper end of the lifting mechanism base 10.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the screw jack 24 includes a fixed base, a platform that rotates around the fixed base, a storage box 6 mounted on the platform, and a spring flat belt stored in the storage box 1.
  • the spring flat belt 1 is engaged with the toothed spring strip 2 to engage the rail guide frame 4.
  • the external power drives the platform to rotate, and then drives the belt lifting mechanism 3 to rotate.
  • the belt lifting mechanism 3 causes the toothed spring strip 2 to be lifted and lowered under the guiding action of the belt lifting mechanism 3, and the synchronous traction spring flat belt 1 spirals up. Under the squeezing action of the rail guide frame 4, the spring flat strip 1 and the toothed spring strip 2 bite together to form a spirally rising cylinder.
  • the fixed base comprises a lifting mechanism base 10, and a force supporting barrel 5 vertically mounted on the upper end of the lifting mechanism base 10 by a rotating pair.
  • the lower end of the platform is provided with a cover frame 101 connected to the force-supporting barrel 5 of the fixed base and covering the toothed spring strip 2 in a stacked state.
  • the platform includes a storage box bracket 7 that is mounted on the upper end of the fixed base by the cover frame 101 and relatively rotatable relative to the storage box 6, a driving force input mechanism 8 mounted on the lower end surface of the storage box bracket 7, and a drive The force input mechanism 8 is connected to the motor 26.
  • the external power drives the driving force input mechanism 8 to drive the storage box bracket 7 to drive the belt rail lifting mechanism 3 to rotate.
  • the driving force input mechanism 8 is any one of a sprocket and a worm wheel.
  • Two rows of uniform perforations 1a are provided on the spring flat strip 1 along the length of the spring flat strip 1; the toothed spring strips 2 are uniformly provided with teeth 2a that can engage with the perforations 1a.
  • the toothed spring strip 2 continuously engages the new tooth 2a into the new hole 1a of the spring flat belt 1 during the ascending process, so that the spiral cylinder can be continuously climbed.
  • the belt rail lifting mechanism 3 includes a lifting cylinder 3a on which a limit for guiding the lifting and lowering of the toothed spring strip 2 and which constitutes a double row spiral arrangement is provided along the axis direction of the lifting cylinder 3a.
  • the roller 3b has a larger spacing between the two pairs of cooperating limit rollers 3b on the double row spiral arrangement than the thickness of the toothed spring strip 2.
  • the toothed spring strip 2 is lifted up along the double row spirally arranged limit rollers 3b by the rotational force of the lift cylinder 3a.
  • the invention adopts the double-row spiral arranged limit roller 3b to guide the lifting and lowering of the toothed spring strip 2, effectively preventing the shaking and dislocation of the toothed spring strip 2 during the lifting process, and ensuring the accuracy of the movement and The stability is such that the teeth 2a are engaged with the perforations 1a.
  • the lifting cylinder 3a is mounted on the upper end of the force supporting bucket 5, and the limiting roller 3b is rotatable about the joint with the lifting cylinder 3a.
  • the limit roller 3b is a roller bearing.
  • the upper end of the storage box bracket 7 is uniformly disposed in the circumferential direction with a plurality of storage box bottom bearing seats 14 for engaging with the bottom of the storage box 6, and the storage box 6 is uniformly arranged in the circumferential direction.
  • the outer casing 13 of the storage box at the upper end of the storage box holder 7 has such a structural design that the storage box 6 can be freely rotated with the elastic force of the spring flat belt 1.
  • the track guide frame 4 includes an outer frame 4c that is coaxially distributed with the track lifting mechanism 3 and has a non-closed ring shape, a uniform spiral distribution along the inner side wall of the outer frame 4c, and a pitch of the pitch and the pitch of the spiral cylinder. Block 4d.
  • the stopper 4d is staggered from the occlusal portion of the spring flat strip 1 and the toothed spring strip 2 and abuts against the outer side surface of the spring flat strip 1, and the spring flat strip 1 can be gradually brought closer to the toothed spring strip by the stopper 4d. 2 and finally the spring flat strip 1 is snapped together with the toothed spring strip 2.
  • the outer frame 4c is provided with a notch 102.
  • the spring flat strip 1 in the storage box 6 can enter the track guide frame 4 through the notch 102, thereby forming a spring strip with the toothed spring. 2
  • the occlusion is carried out, the structure design is reasonable, and it will not cause interference during the movement.
  • the axis of the cylindrical shape in which the toothed spring strips 2 are stacked coincides with the axis of the force supporting bucket 5.
  • the upper end of the spiral cylinder is connected with a lifting body top fixing clamp 9, and the upper end of the clamping jaw 9 at the top of the lifting body can be used for carrying objects, in order to ensure the safety and reliability of the entire lifting movement.
  • the limit sensor 19 located at the top of the elevator support rail frame 17 acquires a signal, it is fed back to the PLC, and the PLC issues a command to control the motor 26 to brake, so that the elevator car 18 stops rising; the height sensor 20 will sense After the signal is transmitted to the PLC, the PLC analyzes the number of layers in which the elevator car is located; the limit sensor 19 distributed in the middle of the elevator support rail frame 17 senses the signal and then feeds back to the PLC, and the PLC analyzes the elevator car. The position of the position sensor 19, which is distributed at the lowermost end of the elevator support rail frame 17, is fed back to the PLC, and the PLC controls the motor 26 to brake, and the elevator car stops descending, which plays a safety protection role.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

L'invention concerne un ascenseur à levage de sécurité par vérinage direct en spirale. L'ascenseur à levage de sécurité par vérinage direct en spirale comprend un cadre de rail de guidage (17) support d'ascenseur et une cabine d'ascenseur (18) qui coulisse vers le haut et vers le bas le long du cadre de rail de guidage (17) support d'ascenseur. Une cage d'ascenseur (25) est entourée par le cadre de rail de guidage (17) support d'ascenseur. De multiples capteurs de limitation (19) sont répartis sur le cadre de rail de guidage (17) support d'ascenseur dans le sens de la hauteur du cadre de rail de guidage (17) support d'ascenseur, et le fond de la cabine d'ascenseur (18) est relié à un dispositif de levage en spirale (24) pour solliciter le levage de la cabine d'ascenseur (18) et fixé sur le sol inférieur de la cage d'ascenseur (25). L'ascenseur à levage de sécurité par vérinage direct en spirale comprend en outre un contrôleur destiné à être connecté aux capteurs de limitation (19) pour commander le fonctionnement du dispositif de levage en spirale (24). L'ascenseur à levage de sécurité par vérinage direct en spirale présente un encombrement compact, simplifie la structure d'ascenseur, adopte le dispositif de levage en spirale pour fournir la force de levage à partir du fond de la cabine d'ascenseur, ce qui permet de résoudre efficacement le problème de chute de la cabine d'ascenseur et de résoudre la difficulté technique liée à une taille d'espace plus grande occupée par un mécanisme de levage classique.
PCT/CN2018/097720 2017-08-02 2018-07-30 Ascenseur à levage de sécurité par vérinage direct en spirale WO2019024836A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710649952.X 2017-08-02
CN201710649952.XA CN107352350A (zh) 2017-08-02 2017-08-02 一种螺旋直顶式安全升降电梯

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107352350A (zh) * 2017-08-02 2017-11-17 芜湖昊葛金自动化科技有限公司 一种螺旋直顶式安全升降电梯
CN110436311B (zh) * 2019-08-25 2020-08-28 朱幕松 谐波减速楼道电梯
CN111017679A (zh) * 2019-12-19 2020-04-17 苏州威尔森电梯有限公司 一种无井道紧凑型电梯
CN112551307B (zh) * 2020-09-08 2021-08-24 郑州轻工业大学 单立柱电梯安全系统及电梯

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CN1989066A (zh) * 2004-07-01 2007-06-27 杰斯臣拉福雷斯特公司 具有可松开的互锁带的线性致动器
ES1096630U (es) * 2013-11-07 2013-12-23 Santos HERNÁNDEZ MUÑOZ Tubo compactable
CN203667762U (zh) * 2013-12-03 2014-06-25 来安县新元机电设备设计有限公司 一种液压电梯安全保护结构
CN203715041U (zh) * 2014-02-27 2014-07-16 陕西帝奥电梯有限公司 一种高稳定性液压电梯
CN105151956A (zh) * 2015-08-05 2015-12-16 天津滨海新区科技创新服务有限公司 一种剪叉式升降装置
CN107352350A (zh) * 2017-08-02 2017-11-17 芜湖昊葛金自动化科技有限公司 一种螺旋直顶式安全升降电梯
CN207524773U (zh) * 2017-08-02 2018-06-22 芜湖昊葛金自动化科技有限公司 一种螺旋直顶式安全升降电梯

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